CN105215631B - A kind of knight's car sample vehicle frame processing method - Google Patents

A kind of knight's car sample vehicle frame processing method Download PDF

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Publication number
CN105215631B
CN105215631B CN201510588445.0A CN201510588445A CN105215631B CN 105215631 B CN105215631 B CN 105215631B CN 201510588445 A CN201510588445 A CN 201510588445A CN 105215631 B CN105215631 B CN 105215631B
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China
Prior art keywords
positioning
pipe
square chest
installation axle
standard square
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Expired - Fee Related
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CN201510588445.0A
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Chinese (zh)
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CN105215631A (en
Inventor
王亚军
彭天
彭天一
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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Publication of CN105215631A publication Critical patent/CN105215631A/en
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Publication of CN105215631B publication Critical patent/CN105215631B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps

Abstract

The invention discloses a kind of knight's car sample vehicle frame processing method, it is characterised in that first individually completes the independent processing of two vehicle frame halfbody combinations of the combination of headstock pipe assembly and left and right；The independent processing of each Accessory Members is completed again；Above-mentioned each component is positioned by weld jig again, then each component is connected by disposable completion welding obtains knight's car sample vehicle frame.The present invention can simplify assemble welding process, with low cost with simple to operate, and can facilitate the advantages of trial-production of knight's car sample is adjusted.

Description

A kind of knight's car sample vehicle frame processing method
Technical field
The present invention relates to frame of motorcycle manufacture field, in particular to a kind of knight's car sample vehicle frame processing method.
Background technology
In motorcycle, riding-type motorcycle is big with power as a classical vehicle, and it is excellent that performance of driving over a long distance is good etc. Point, firmly gets liking for consumer.Motorcycle generally requires first R ＆ D design and goes out sample product in R＆D process simultaneously, carries out Testing inspection, to ensure the dependable with function of final finished.
In a model LF-125-2C trendy riding-type motorcycle, its main body of vehicle frame is combined including headstock pipe assembly And it is connected to two vehicle frame halfbodies combination of the headstock pipe assembly combination rear left and right sides.
Wherein, headstock pipe assembly combination includes head tube mounting bracket, and head tube mounting bracket front end is fixedly connected with head tube, car Head tube mounting bracket posterior end be fixedly connected upper end after lower oblique tube, head tube mounting bracket be used for by the reinforcement contiguous block of cover type with Two vehicle frame halfbody combination front ends are connected；
Before wherein vehicle frame halfbody combining structure, including the preceding down tube that an entirety is obliquely installed in forward upward, preceding down tube End connects with the headstock pipe assembly for combining connection with headstock pipe assembly that forward upward angle of inclination after one section of complications diminishes Section is connect, preceding down tube lower end is bent to form forward one section of chain stay axle installing plate linkage section in protrusion arc backward, bottom fork axis Be welded with forward on installing plate linkage section at chain stay axle installing plate, preceding down tube lower end also transverse weld be fixed with it is front lower Pipe lateral connection sleeve；Also include under a down tube, the straight tube-like that down tube is obliquely installed rearwardly and upwardly in entirety, down tube Before end is fixedly connected on rear side of the chain stay axle installing plate linkage section of down tube lower end, down tube upper end is connected with a upper pipe；Upper pipe Overall to be fixed in horizontally disposed and front end overlap joint on the headstock pipe assembly linkage section of preceding down tube front end, level is inside in the middle part of upper pipe Reinforcement linkage section is bent to form, upper pipe rear end has one section of end segment and end segment underside of forward table for tilting extension rearwardly and upwardly Face and down tube upper end are fixed；It is fixed with the upper pipe storage battery of down-set two on wherein upper pipe successively from front to back and journal stirrup is installed Journal stirrup is installed with a upper pipe covering；Angle is connected with the upper angle with branch earhole and strengthened between upper pipe and down tube Two forward upwards are positioned apart from block, down tube journal stirrup is installed to the down tube covering of extension；Down tube and front lower Angle is connected with the lower angle boss with positioning hole, lower angle boss and is welded with reinforcement upwards between pipe Block storage battery installs journal stirrup；Vehicle frame halfbody combining structure also includes pedal mounting assembly, and pedal mounting assembly is fixed on including one end The down tube lower rearward side surface other end is fixed on preceding down tube to installing pipe on the extended pedal in the back lower place, in addition to one end Installing pipe phase under installing pipe and pedal on installing pipe under the pedal that the lower end rear side surface other end is extended rearwardly and upwardly, pedal Commissure is connect and angle is welded with the rear angle boss of one piece of triangle, and rear angle boss is fixed for transverse weld Installing pipe junction outer end is also laterally fixed with pedal installing pipe lateral connection under installing pipe and pedal on back foot journal stirrup, pedal Sleeve, upper pedal installing pipe rear portion upper side is also fixedly connected with the back foot peg of a triangle rearwardly and upwardly.
Complete LF-125-2C frame of motorcycles, on the basis of above-mentioned main body of vehicle frame structure, in addition it is also necessary to before head tube Upper lateral part is fixedly connected with a direction closing piece, and a direction limited block is fixedly connected with head tube lower front, in head tube peace Shelve middle and upper part and extend transversely through and be fixedly connected with a fuel tank axis, need compartment of terrain to extend transversely through setting two in lower oblique tube bottom Engine front overhang hangs installation axle, and lower oblique tube upper back needs to fix an oblique pipe fittings installation hanger；Need to examine simultaneously Consider laterally to cover on the reinforcement linkage section on two in the middle part of pipe and be fixedly connected with pipe middle part connecting plate on one, strengthen after linkage section Also need to be fixedly connected with the seat cushion supporting plate of an overall U-shaped between the upper pipe of two of side, two upper pipe rear portions and tail end are also Lateral connection is fixedly installed pipe rear portion connecting plate and upper pipe tail end connecting plate respectively, and two upper pipe rear portion both sides also need horizontal stroke To the rear damping installation axle for setting a two ends to stretch out；In addition, also needing to consider to set forward downward in the middle part of preceding down tube Upper side needs behind upper suspension installation axle after upper suspension installation axle journal stirrup and its engine, preceding down tube middle part after the engine of extension The preceding down tube that down tube is strengthened connecting shaft journal stirrup and is connected laterally between two preceding down tubes reinforcement connecting shaft journal stirrups before setting adds Also need to that connection bottom fork axis is installed on strong ties axle, preceding down tube lower flat fork shaft installing plate, preceding down tube lower end needs to consider to set Lower suspension installation axle after lower suspension installation axle journal stirrup and its engine after engine forward, preceding down tube lower end also needs to consideration and set Side stand installing plate backward is put, while needing to install fixed preceding down tube lateral connection axle in preceding down tube lateral connection sleeve；Separately Outside, in pedal mounting assembly, in addition it is also necessary to consider laterally outwardly to fix back foot journal stirrup on rear angle boss；Pedal installing pipe Need to be welded and fixed pedal installing pipe lateral connection axle between lateral connection sleeve.
Above-mentioned body frame structure for automotive, in motorcycle research and development sample production, step of typically dividing the work is sequentially completed headstock pipe assembly group Close being welded and fixed for each Accessory Members；In vehicle frame halfbody combining structure additional component will be needed to weld successively after addition again, It will be finally welded and fixed and be integrated after the combination of headstock pipe assembly and vehicle frame halfbody integrated positioning using fixture.So, there is process It is various, complex operation, the too high defect of cost.Especially because sample production is usually needed to some Local Members installation sites And setting angle is adjusted, so, adjustment every time realizes welding using the weld jig of fixed structure, greatly increases Cost, constrains the expansion of sample research and development.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How to provide one kind being capable of letter Chemical industry sequence, makes its simple to operate, with low cost, and further knight's car sample of trial-production adjustment can be facilitated to be added with vehicle frame Work method.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：When being related to orientation in scheme and describing, Rear state is installed using it and describes benchmark as orientation.
A kind of knight's car sample vehicle frame processing method, it is characterised in that first individually complete the combination of headstock pipe assembly and left The independent processing of right two vehicle frame halfbodies combination；Complete direction closing piece, direction limited block, fuel tank axis, engine front overhang and hang peace Fill the independent processing of axle and oblique pipe fittings installation hanger；Complete above to hang installation axle after engine and be fixed on its two ends Engine after upper suspension installation axle journal stirrup, preceding down tube strengthen connecting shaft and be fixed on the preceding down tube at its two ends strengthening connecting shaft It is lower after journal stirrup, bottom fork axis, engine to hang installation axle and be fixed on after the engine at its two ends lower suspension installation axle journal stirrup, side Carriage mounting plate, preceding down tube lateral connection axle, the independent processing of back foot journal stirrup and pedal installing pipe lateral connection axle；Complete to add Strong ties block, upper pipe middle part connecting plate, seat cushion supporting plate, upper pipe rear portion connecting plate and upper pipe tail end connecting plate and rear damping The independent processing of installation axle；Above-mentioned each component is positioned by weld jig again, it is then disposable to complete welding by each component It is connected and obtains knight's car sample vehicle frame.
So, this method is using first overall positioning, and the mode then disposably welded greatly simplifies process, saved Cost.
As optimization, the weld jig is disposed with some including upper surface and all side surfaces according to constant spacing array The three-dimensional mounting platform of mounting hole, and the headstock pipe assembly integrated positioning weld clip being arranged on three-dimensional mounting platform are signed an undertaking Structure, vehicle frame halfbody combination bottom positioning welding clamp structure and vehicle frame halfbody combination top positioning welding clamp structure；The car Head tube assembly integrated positioning weld jig structure is used to realize that the positioning of headstock pipe assembly combination and direction closing piece, direction are spacing Block, fuel tank axis, engine front overhang hang the positioning of installation axle and oblique pipe fittings installation hanger；Under the vehicle frame halfbody combination Portion's positioning welding clamp structure is used for the positioning for realizing the combination of vehicle frame halfbody, and upper suspension installation axle, preceding down tube after engine Lower suspension installation axle journal stirrup, side stand after installation axle and its engine is hung under strengthening after connecting shaft, bottom fork axis, engine to install Plate, preceding down tube lateral connection axle, the positioning of back foot journal stirrup and pedal installing pipe lateral connection axle；In the vehicle frame halfbody combination Portion's positioning welding clamp structure is used to realize to strengthening contiguous block, upper pipe middle part connecting plate, seat cushion supporting plate, two upper pipe tail ends The positioning in portion, upper pipe rear portion connecting plate and upper pipe tail end connecting plate and rear damping installation axle.
So, above-mentioned weld jig is used in this method, can be realized simultaneously to the combination of headstock pipe assembly and two cars Frame halfbody combines the Set and Positioning with each Accessory Members, directly disposably can be realized after positioning using welding gun between each component Be welded and fixed.Make that each component relative-position error is reliable and welding operation is convenient and swift, dramatically saves on cost.
As optimization, the headstock pipe assembly integrated positioning weld jig structure, including head tube positioning component, directional lock Block positioning component, direction limited block positioning component, fuel tank axis positioning component, engine front overhang hang installation axle positioning component and under Inclined tube annex is installed and uses hanger positioning component；
Standard square chest is used in the head tube positioning that the head tube positioning component includes the rectangular body structure of an entirety, described With standard square chest, respectively side is upper according to the spacing consistent with the mounting hole on three-dimensional mounting platform and aperture battle array for head tube positioning Row are disposed with some mounting holes, and head tube positioning standard square chest is by being bolted to front position on three-dimensional mounting platform；Institute State head tube positioning and a head tube positioning standard angle device, the head tube positioning are fixedly installed with standard square chest upper end Include each fixed block and moving block with a hinged end and a folding end, fixed block and moving block with standard angle device Hinged end be rotatably hinged and be provided with hinged place for realize rotational angle positioning rotational angle alignment pin, it is described solid Determine block and be disposed with some peaces according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform on moving block Hole is filled, the head tube positioning is arranged forward with the fixed block folding end of standard angle device and is horizontally fixed on head tube by bolt Positioning standard square chest upper end, the head tube positioning is fixedly installed upwards with the moving block upper surface middle part of standard angle device Head tube positioning round table, the head tube positioning round table diameter and the matching of head tube lower end external diameter and head tube positioning round table axle center The head tube locating dowel matched with headstock bore is provided with place is coaxial；
The direction closing piece positioning component includes the headstock pipe fittings positioning support angle of a L-shaped structure of entirety, Each side of the headstock pipe fittings positioning support angle is upper according between consistent with the mounting hole on three-dimensional mounting platform Away from some mounting holes are disposed with array of apertures, the positioning of headstock pipe fittings is fitted with support angle lower surface and fixed by bolt In the moving block upper surface upper position of head tube positioning standard angle device, support angle rear side is used in the positioning of headstock pipe fittings Face top is fixedly installed a direction closing piece locating piece, and direction closing piece locating piece one end is fixed on headstock pipe fittings positioning branch Angle bar rear side face top is held, the other end extends and recessed with two entered for grafting on the closing piece of direction in end to the back lower place The projection of direction closing piece positioning is realized in groove；
The direction limited block positioning component includes headstock pipe fittings positioning support angle and a direction limited block is determined Position block, direction limited block locating piece one end is fixed on headstock pipe fittings positioning support angle rear side face bottom, the other end to The back lower place, which extends and had in end, is used for the locating slot that supplier abuts positioning to the preceding lower end insertion of limited block；
The fuel tank axis positioning component includes head tube positioning standard square chest, head tube positioning standard square chest upper end Left and right sides lateral surface is fixedly connected with fuel tank axis the positioning lower support angle bar, fuel tank axis of a L-shaped structure of entirety Position upper according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform with each side of lower support angle bar Some mounting holes are disposed with, the positioning of fuel tank axis is fitted with the medial surface of lower support angle bar and positioned by being bolted to head tube With standard square chest upper end lateral surface, the positioning of fuel tank axis is horizontal mounting plane with lower support angle bar upper surface and set thereon There are the fuel tank axis positioning support angle bar of a L-shaped structure of entirety, fuel tank axis positioning each side of support angle bar It is upper to be disposed with some mounting holes and by bolt according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform The positioning of fuel tank axis is fixed on lower support angle bar upper surface, the positioning of fuel tank axis is extended back with support angle bar rear side surface A fuel tank axis locating piece is fixedly installed, the fuel tank axis locating piece upper surface, which is horizontally arranged with one, to be used to realize The fuel tank axis locating slot positioned to fuel tank axis overhang bracket；
Engine front overhang, which hangs installation axle positioning component, includes the engine front overhang extension installation of the rectangular body structure of an entirety Axle standard square chest, engine front overhang hang installation axle with standard square chest respectively side it is upper according to the installation on three-dimensional mounting platform The consistent spacing in hole and array of apertures are disposed with some mounting holes, and engine front overhang is hung installation axle and fixed with standard square chest by bolt The head tube positioning standard square chest rear correspondence position on three-dimensional mounting platform, engine front overhang hangs installation axle standard square chest Oblique pipe diameter during width is combined with headstock pipe assembly is consistent, and engine front overhang hangs installation axle standard square chest upper end or so two Side is fixedly connected with one piece of engine front overhang by bolt and hangs installation axle locating piece, and engine front overhang, which hangs installation axle locating piece, has one The individual engine front overhang that extends anteriorly out hangs installation axle with the part of standard square chest and is tiltedly installed with two on the portion with Engine front overhang on inclined tube hangs the consistent engine front overhang of installation axle mounting hole correspondence and hangs installation axle positioning hole and for for hair The insertion positioning of motivation forward mounting installation axle；
Oblique pipe fittings installation hanger positioning component includes engine front overhang and hangs installation axle standard square chest, starts Machine forward mounting installation axle is fixedly installed an oblique pipe fittings installation hanger by bolt with standard square chest upper surface middle part and determined Position block, the oblique pipe fittings installation hanger locating piece front end extends to form an oblique pipe fittings installation hanger obliquely Positioning end, oblique pipe fittings installation lower surface after hanger positioning end leading flank shape and oblique pipe fittings installation hanger Shape is consistent and for realizing that the support to lower surface after oblique pipe fittings installation hanger is positioned.
So, in use, first adjust head tube positioning opens up into required angle with the angle of standard angle device, so Head tube, which is inserted into head tube locating dowel, again afterwards makes its lower end and head tube positioning round table abut supporting and realize head tube Positioning, lower oblique tube lower end is dropped into two engine front overhangs and is hung between installation axle locating pieces, and two are started Machine forward mounting installation axle extends transversely through the corresponding engine front overhang of insertion and hangs installation axle positioning hole and engine front overhang extension installation axle Mounting hole；While so having achieved the positioning to root engine front overhang extension installation axle, also achieve to headstock pipe assembly The complete positioning of combination；Then direction closing piece is fitted in head tube upper end installation site and by direction closing piece locating piece front end again Raised direction of insertion closing piece two grooves in realize positioning to direction closing piece；Direction limited block upper end is fitted in headstock Pipe lower end installation site simultaneously makes the insertion of its lower end be connected in the locating slot of direction limited block locating piece, realizes to direction limited block Positioning；Then fuel tank axis is extended transversely through after the mounting hole being inserted on head tube mounting bracket, makes the positioning support of its two ends The positioning to fuel tank axis is realized in the fuel tank axis locating slot of fuel tank axis locating piece upper surface；Then by oblique pipe fittings The laminating of installation hanger front end snaps into installation site on lower oblique tube, and makes downside thereafter and oblique pipe fittings installation hanger The upper front end face of locating piece is fitted and abuts support, realizes the positioning to oblique pipe fittings installation hanger.In this manner it is possible to adopt Disposably realized with welding gun and combine spacing with engine front overhang extension installation axle thereon, direction closing piece, direction to headstock pipe assembly Being welded and fixed between block, fuel tank axis and oblique pipe fittings installation hanger.Make each component relative-position error reliable and Welding operation is convenient and swift, saves cost.Simultaneously as employing standard square chest, support angle, standard angle device and three-dimensional Linking is realized between mounting platform and other non-standard align members and is coordinated so that each location structure can be flexibly and easily Installation is adjusted as needed, it is highly suitable for sample trial-production needs to make when adjusting each component partial member position With dramatically saves on R＆D costs.Meanwhile, the non-standard align member of which part can be realized simultaneously to be determined multiple components Position, structure setting is ingenious and ensure that the precision of mutual alignment.
As optimization, the vehicle frame halfbody combination bottom positioning welding clamp structure includes upper suspension installation axle after engine And preceding down tube is strengthened lower suspension installation axle positioning component, preceding down tube after connecting shaft positioning component, bottom fork axis and engine and laterally connected Spindle alignment component, side stand installing plate positioning component, back foot journal stirrup positioning component and pedal installing pipe lateral connection axle are fixed Hyte part；
Upper suspension installation axle and preceding down tube reinforcement connecting shaft positioning component are rectangular including an entirety after the engine The preceding down tube Accessory Members positioning standard square chest of body structure, the preceding down tube Accessory Members positioning is with each side of standard square chest Some mounting holes are disposed with according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform, preceding down tube is attached Component positioning standard square chest is located at engine front overhang extension installation axle standard square chest by being bolted on three-dimensional mounting platform Rear correspondence position；Preceding down tube Accessory Members positioning is each side fixedly connected with one with standard square chest top by bolt Upper suspension installation axle and preceding down tube strengthen upper suspension installation axle and preceding down tube after connecting shaft locating piece, the engine after engine Strengthen connecting shaft locating piece rear end rearwardly and upwardly to extend and offer one upwards in upper end for strengthening connection to preceding down tube Axle realizes that the preceding down tube of positioning strengthens upper suspension installation axle and preceding down tube after connecting shaft locating slot, the engine and strengthens connecting shaft Correspondence, which is extended transversely through, in the middle part of locating piece is provided with after engine upper suspension installation axle positioning hole and for being hung for upper after engine Shaft end insertion is installed and realizes positioning；
Lower suspension installation axle positioning component includes preceding down tube Accessory Members positioning standard after the bottom fork axis and engine Square chest, in addition to it is fixed on the vertically arranged of preceding down tube Accessory Members positioning standard square chest left and right sides medium position by bolt Bottom fork axis locating piece, upper end position is correspondingly arranged on the chain stay for penetrating positioning for bottom fork axis after the bottom fork axis locating piece Axle positioning hole；Extended downwardly in the middle part of the bottom fork axis locating piece rear side and convexed to form lower suspension installation axle after an engine Lower suspension installation axle locating piece lower end, which is extended transversely through, after locating piece, the engine is formed with one and is used for for lower hanging after engine Hang lower suspension installation axle positioning hole after the engine of installation axle insertion positioning；
The preceding down tube lateral connection axle positioning component positions including preceding down tube Accessory Members and uses standard square chest, in addition to by The vertically arranged preceding down tube of down tube Accessory Members positioning standard square chest left and right sides lower position is horizontal before bolt is fixed on Connecting shaft locating piece, the preceding down tube lateral connection axle locating piece is correspondingly arranged to extended and rear upper end face rearwardly and upwardly The preceding down tube lateral connection axle locating slot of down tube lateral connection e axle supporting positioning before having for realizing；
The side stand installing plate positioning that the side stand installing plate positioning component includes the rectangular body structure of an entirety is used Standard square chest, the side stand installing plate positioning with standard square chest respectively side it is upper according to the mounting hole on three-dimensional mounting platform Consistent spacing and array of apertures is disposed with some mounting holes, and side stand installing plate positioning standard square chest is by being bolted to three Tie up and be located at front lower pipe Accessory Members positioning standard square chest rear correspondence position on mounting platform；The positioning of side stand installing plate is marked Quasi- square chest top is each side fixedly connected with a side stand installing plate locating piece by bolt, side stand installing plate positioning Block front end forward downward extends and upside is provided with for realizing the insertion positioning of side stand installing plate rear side face outside front end Side stand installing plate positioning step, and be provided with consistent with the connecting hole on side stand installing plate on its step surface and be used to lean on The positioning hole of latch insertion positioning；
The back foot journal stirrup positioning component, includes the back foot journal stirrup positioning standard of the rectangular body structure of two entirety Square chest, with standard square chest, respectively side is upper according to consistent with the mounting hole on three-dimensional mounting platform for the back foot journal stirrup positioning Spacing and array of apertures are disposed with some mounting holes, and two back foot journal stirrup positioning standard square chests are by being bolted to three-dimensional peace It is located at side stand installing plate positioning standard square chest left and right sides rear correspondence position on assembling platform；The positioning of back foot journal stirrup is marked A back foot journal stirrup positioning standard angle device, the back foot journal stirrup positioning standard angle are further fixedly arranged on quasi- square chest Spending device includes the hinged end of each fixed block and moving block with a hinged end and a folding end, fixed block and moving block It is rotatable to be hinged and the rotational angle alignment pin for realizing rotational angle positioning is provided with hinged place, the fixed block and turn Some mounting holes are disposed with according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform on motion block, it is described The positioning of back foot journal stirrup is arranged and is horizontally fixed on back foot journal stirrup by bolt backward with the fixed block folding end of standard angle device Positioning standard square chest upper end, the back foot journal stirrup positioning is fixedly installed with the moving block upper surface middle part of standard angle device Correspondence is fixed on back foot journal stirrup locating piece for realizing the positioning of back foot journal stirrup rear side surface bearing, back foot journal stirrup locating piece The mounting hole on back foot journal stirrup behind position, which is provided with jack and latch, to be used to realize to locked after the positioning of back foot journal stirrup；
The pedal installing pipe lateral connection axle positioning component includes the pedal installing pipe of the rectangular body structure of two entirety Standard square chest use in the positioning of lateral connection axle, and the pedal installing pipe lateral connection axle with standard square chest, respectively go up according to three by side Tie up the consistent spacing of the mounting hole on mounting platform and array of apertures is disposed with some mounting holes, pedal installing pipe lateral connection axle Positioning standard square chest is by being bolted on three-dimensional mounting platform and in back foot journal stirrup positioning standard square chest rear Side position；Two pedal installing pipe lateral connection axle positioning are fixedly connected with one by bolt with standard square chest lateral surface upper end and erected To the pedal installing pipe lateral connection axle locating piece of setting, the preceding upper end of the pedal installing pipe lateral connection axle locating piece is extended The lateral connection axle positioning of pedal installing pipe is correspondingly arranged on standard square chest and in end for supplying pedal installing pipe lateral connection The pedal installing pipe lateral connection axle positioning hole of axle insertion positioning.
So, in use, two vehicle frame halfbody combinations are first controlled into good position side by side, it is overlapped on its preceding down tube upper end The upper correspondence position of head tube combination having had good positioning and the reinforcement contiguous block by cover type determine two preceding down tube upper ends Right position, right latter two vehicle frame halfbody combination first realize that bottom fork axis installs through positioning, the branch of preceding down tube lateral connection axle Support positioning and running through for pedal installing pipe lateral connection axle position, and three anchor points of the triangle by so constituting come same Shi Shixian combines the positioning of itself to two vehicle frame halfbodies；Then upper suspension installation axle and preceding down tube after engine is leaned on to strengthen connecting again The preceding down tube of upper end strengthens the support that connecting shaft is strengthened preceding down tube in the realization of connecting shaft locating slot after spindle alignment block, while so that Preceding down tube strengthens down tube before the pre-fixed installation in connecting shaft two ends and strengthens correspondence connection position in connecting shaft journal stirrup and preceding down tube Surface laminating is put, so realizes that strengthening preceding down tube connecting shaft and preceding down tube strengthens the positioning of connecting shaft simultaneously；Again will be advance Being connected after the engine that installation axle journal stirrup is above hung after engine, above the two ends of suspension installation axle are inserted into after engine In upper suspension installation axle positioning hole, upper suspension installation axle causes upper suspension installation axle journal stirrup after engine after rotation adjustment engine Installation site laminating corresponding with preceding down tube, thus realizes and is hung to upper after upper suspension installation axle after engine and engine simultaneously The positioning of installation axle journal stirrup；Then hung lower after the engine of lower suspension installation axle journal stirrup after the engine that has been connected in advance Installation axle two ends are inserted into after the engine after engine on lower suspension installation axle locating piece in lower suspension installation axle positioning hole, then So that lower after engine hang correspondence position laminating in installation axle journal stirrup and preceding down tube, i.e., realize simultaneously to lower outstanding after engine Hang the positioning of lower suspension installation axle journal stirrup after installation axle and engine；Then side stand installing plate rear side face is fitted and positioned Onto the side stand installing plate positioning step of side stand installing plate locating piece, paste link position in its upper side and preceding down tube Close and realize positioning, be inserted into the positioning on connecting hole and side stand installing plate positioning step of the latch to side stand installing plate Realize locked in hole；Then back foot journal stirrup is navigated on back foot journal stirrup locating piece and inserts locked by latch.So, so that it may Two vehicle frame halfbody combination each Accessory Members in bottom are welded and fixed with disposably being realized using welding gun.Make the mutual position of each component Put that precision is reliable and welding operation is convenient and swift, save cost.Simultaneously as employing standard square chest, support angle, standard Linking is realized between protractor and three-dimensional mounting platform and other non-standard align members and is coordinated so that each location structure can So that installation to be flexibly and easily adjusted as needed, it is highly suitable for sample trial-production needs to adjust each Local Members position Used when putting, dramatically saves on R＆D costs.Meanwhile, the non-standard align member of which part can be realized to multiple structures simultaneously The positioning of part, structure setting is ingenious and ensure that the precision of mutual alignment.
As optimization, vehicle frame halfbody combination top positioning welding clamp structure include strengthening contiguous block positioning component, Upper pipe middle part connecting plate positioning component, seat cushion supporting plate positioning component, upper pipe rear portion connecting plate positioning component, rear damping installation axle Positioning component and upper pipe tail end connecting plate positioning component；
The contiguous block positioning component of strengthening includes the upper pipe connecting elements positioning mark of the rectangular body structure of an entirety Quasi- square chest, the upper pipe connecting elements positioning with standard square chest respectively side it is upper according to the mounting hole one on three-dimensional mounting platform The spacing and array of apertures of cause are disposed with some mounting holes, and upper pipe connecting elements positioning standard square chest is by being bolted to three-dimensional Rear portion correspondence position on mounting platform, upper pipe connecting elements positioning is fixedly installed an entirety with standard square chest top leading flank Upper pipe connecting elements positioning support angle bar triangular in shape, with support angle bar, respectively side is upper equal for the upper pipe connecting elements positioning Some mounting holes, upper pipe connecting elements are disposed with according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform There is positioning support angle bar a vertical laminating to be arranged on vertically connecting for pipe connecting elements positioning standard square chest leading flank Junction is simultaneously fixedly connected by bolt, and the upper pipe connecting elements positioning support angle bar upper surface is horizontal forward extended Mounting plane；Strengthening contiguous block positioning component also includes being fixedly installed on before pipe connecting elements positioning support angle bar upper surface Two pieces of end medium position are vertically spaced in left-right direction to strengthen contiguous block locating piece, two pieces of reinforcement contiguous block locating pieces Between spacing be more than and strengthen contiguous block width and two pieces and strengthen the jacks that contiguous block upper ends correspondence strengthens on contiguous blocks being provided with use In the positioning hole that the positioning for realizing reinforcement contiguous block is inserted by latch；
The upper pipe middle part connecting plate positioning component includes being fixedly installed on pipe connecting elements positioning support angle bar The upper pipe middle part connecting plate locating piece of one of surface middle part position, the upper pipe middle part connecting plate locating piece upper end upwardly extends shape Into for positive stop end spacing on rear side of upper pipe middle part connecting plate；
The seat cushion supporting plate positioning component includes being fixedly installed on pipe connecting elements positioning support angle bar upper surface There is one to be used to realize to seat on one seat cushion supporting plate locating piece of postmedian position, the seat cushion supporting plate locating piece top Pad the positioning table terrace of supporting plate lower surface and leading flank laminating positioning；
The upper pipe rear portion connecting plate positioning component includes being fixedly installed on pipe connecting elements positioning standard square chest On the upper pipe rear portion connecting plate locating piece of one of surface, the upper upper pipe rear portion connecting plate of pipe rear portion connecting plate locating piece two ends correspondence Connecting hole is provided with two upper pipe rear portion connecting plate locating dowels straight up, and upper pipe rear portion connecting plate locating dowel upper end is formed with fixed Circle of position platform simultaneously realizes positioning for inserting the connecting hole on the connecting plate of pipe rear portion；
The rear damping installation axle positioning component includes being fixedly connected on pipe connecting elements positioning standard square chest top Damping installation axle positioning contiguous block after two of the left and right sides, the rear damping installation axle positioning is fixed with contiguous block by bolt In upper pipe connecting elements positioning standard square chest side, rear damping installation axle positioning subtracts after being fixedly installed with contiguous block upper surface Installation axle locating piece is shaken, the rear damping installation axle locating piece upper surface is provided with for after damping installation axle positioning after realization Damping installation axle locating slot, rear damping installation axle positioning component also includes rear damping and installs shaft compression latch, rear damping installation axle Compress latch be vertically provided above rear damping installation axle locating slot and lower end be provided with compact heap be used for realize to rear damping peace The compression of axle is filled, the rear damping installs shaft compression latch and is arranged on rear damping installation axle positioning contiguous block by mounting bracket On；
The upper pipe tail end that the upper pipe tail end connecting plate positioning component includes the rectangular body structure of an entirety is connected Plate positioning standard square chest, with standard square chest, respectively side is upper according to flat with three-dimensional installation for the upper pipe tail end connecting plate positioning The consistent spacing of mounting hole on platform and array of apertures are disposed with some mounting holes, upper pipe tail end connecting plate positioning standard side Case is described by being bolted to the upper pipe connecting elements positioning standard square chest rear correspondence position of three-dimensional mounting platform upper surface Upper pipe tail end connecting plate positioning is each provided with a upper pipe tail end locating piece with standard square chest upper surface left and right ends, described The positioning step for supporting positioning to upper pipe tail end for realizing is formed with the outside of upper pipe tail end locating piece；The upper pipe tail end Portion's connecting plate positioning is fixedly installed a upper pipe tail end connecting plate locating piece, upper pipe with standard square chest leading flank medium position Extend upper pipe tail end connecting plate positioning with standard square chest and be formed with use in trailing flank in tail end connecting plate locating piece upper end In the positioning step for positioning of being fitted with upper pipe tail end connecting plate leading flank.
So, in use, first causing three anchor points that two halfbodies combine portion on the lower to realize after basic fixed position, it will strengthen Contiguous block covers the head tube mounting bracket of headstock tube assembly and the preceding down tube front end lap-joint correspondence position of vehicle frame halfbody combination, Then two pieces of positioning holes strengthened on contiguous block locating piece are inserted by latch and the jack on corresponding reinforcement contiguous block is realized Strengthen being accurately positioned for contiguous block；Upper pipe middle part connecting plate is overlapped in the middle part of two upper pipes and top pipe middle part connecting plate is positioned Block is positioned before and after realizing it；The positioning table terrace of seat pad supporting plate locating piece realizes the positioning to seat cushion supporting plate；By upper pipe Rear portion connecting plate two ends transverse lap pipe rear portion correspondence position on two, then by two upper pipe rear portion connecting plate locating dowel upper ends The upper pipe rear portion connecting plate of positioning round table insertion on connecting hole realize positioning to upper pipe rear portion connecting plate；By damping after two The rear damping installation axle locating slot of installation axle locating piece upper surface is realized to be positioned to rear damping installation axle two ends, and damping is pacified rearward Shaft compression latch is filled to compress；Top pipe tail end locating piece realizes the Auxiliary support to two upper pipe afterbodys, by upper pipe tail end The positioning step that connecting plate is overlapped on top pipe tail end connecting plate locating piece upper end after pipe end-position realizes positioning.Then Completion can disposably be welded and strengthen contiguous block, upper pipe middle part connecting plate, seat cushion supporting plate, upper pipe rear portion connecting plate, rear damping Installation axle and upper pipe tail end connecting plate are welded and fixed.Make that each component relative-position error is reliable and welding operation facilitates fast Victory, saves cost.Simultaneously as employ standard square chest, support angle, standard angle device and three-dimensional mounting platform and its Linking is realized between his non-standard align member and is coordinated so that each location structure can be adjusted flexibly and easily as needed Section is installed, and it is highly suitable for sample trial-production needs to use when adjusting each Local Members position, dramatically saves on research and development Cost.Meanwhile, the non-standard align member of which part can realize the positioning to multiple components simultaneously, and structure setting is ingenious and protects The precision of mutual alignment is demonstrate,proved.
In summary, the present invention can simplify assemble welding process, with low cost with simple to operate, and can facilitate The advantages of trial-production of knight's car sample is adjusted.
Brief description of the drawings
Fig. 1 is the front view of the weld jig used in best embodiment of the present invention.
Fig. 2 is Fig. 1 top view.
Front view when Fig. 3 uses for Fig. 1.
Fig. 4 is Fig. 3 top view.
Embodiment
With reference to optimal embodiment and accompanying drawing, the present invention is described in further detail.
Optimal embodiment：A kind of knight's car sample vehicle frame processing method, it is characterized by, and first individually completes head tube The independent processing that assembly is combined and the vehicle frame halfbody of left and right two is combined；Complete direction closing piece, direction limited block, fuel tank axis, hair The independent processing of motivation forward mounting installation axle and oblique pipe fittings installation hanger；Complete after engine upper suspension installation axle and Upper suspension installation axle journal stirrup, preceding down tube is fixed on after the engine at its two ends to strengthen connecting shaft and be fixed on the front lower of its two ends Pipe hangs installation axle and is fixed on after the engine at its two ends lower suspension under strengthening after connecting shaft journal stirrup, bottom fork axis, engine Installation axle journal stirrup, side stand installing plate, preceding down tube lateral connection axle, the list of back foot journal stirrup and pedal installing pipe lateral connection axle Solely processing；Complete to strengthen contiguous block, upper pipe middle part connecting plate, seat cushion supporting plate, upper pipe rear portion connecting plate and upper pipe tail end company The independent processing of fishplate bar and rear damping installation axle；Above-mentioned each component is positioned by weld jig again, it is then disposable complete Each component is connected into welding and obtains knight's car sample vehicle frame.
When this method is implemented, weld jig as Figure 1-4 is first obtained, is then implemented by the weld jig, institute State weld jig flat including the three-dimensional installation that upper surface and all side surfaces are disposed with some mounting holes according to constant spacing array Platform 1, and be arranged on three-dimensional mounting platform 1 headstock pipe assembly integrated positioning weld jig structure, vehicle frame halfbody combination under Portion's positioning welding clamp structure and vehicle frame halfbody combination top positioning welding clamp structure；The headstock pipe assembly integrated positioning weldering Welding fixture structure is used for positioning and direction closing piece 2, direction limited block 3, fuel tank axis 4, the hair for realizing the combination of headstock pipe assembly Motivation forward mounting installation axle 5 and oblique pipe fittings install the positioning with hanger 6；The vehicle frame halfbody combination bottom positioning welding folder Lamps structure is used for the positioning for realizing the combination of vehicle frame halfbody, and after engine upper suspension installation axle 7, preceding down tube strengthen connecting shaft 8, Lower suspension installation axle journal stirrup 11 after lower suspension installation axle 10 and its engine after bottom fork axis 9, engine, side stand installing plate 12, The positioning of preceding down tube lateral connection axle 13, back foot journal stirrup 14 and pedal installing pipe lateral connection axle 15；The vehicle frame halfbody group Close portion's positioning welding clamp structure be used for realize to reinforcement contiguous block 16, upper pipe middle part connecting plate 17, seat cushion supporting plate 18, two The positioning of pipe tail end 19, upper pipe rear portion connecting plate 20 and upper pipe tail end connecting plate 21 and rear damping installation axle 22 on root.
So, the weld jig of such scheme, can be realized to the combination of headstock pipe assembly and two vehicle frame halfbodies simultaneously Combination and the Set and Positioning of each Accessory Members, directly disposably can be realized to the welding between each component after positioning using welding gun It is fixed.Make that each component relative-position error is reliable and welding operation is convenient and swift, dramatically saves on cost.
Wherein, the headstock pipe assembly integrated positioning weld jig structure, including head tube positioning component, direction closing piece are fixed Hyte part, direction limited block positioning component, fuel tank axis positioning component, engine front overhang hang installation axle positioning component and lower oblique tube Annex is installed and uses hanger positioning component；
The head tube positioning component includes the head tube positioning standard square chest 23 of the rectangular body structure of an entirety, institute State each side of head tube positioning standard square chest 23 upper according to the spacing consistent with the mounting hole on three-dimensional mounting platform 1 and hole Footpath array is disposed with some mounting holes, and head tube positioning standard square chest 23 is by being bolted to front end on three-dimensional mounting platform 1 Position；The head tube positioning is fixedly installed a head tube positioning standard angle device 24, institute with the upper end of standard square chest 23 Stating head tube positioning standard angle device 24 includes each fixed block and moving block with a hinged end and a folding end, The hinged end of fixed block and moving block is rotatably hinged and the angle of rotation for realizing rotational angle positioning is provided with hinged place Spend alignment pin, the fixed block with moving block according to the spacing consistent with the mounting hole on three-dimensional mounting platform 1 and aperture Array is disposed with some mounting holes, and the head tube positioning is arranged forward with the fixed block folding end of standard angle device 24 and by spiral shell Bolt is horizontally fixed on the upper end of head tube positioning standard square chest 23, moving block of the head tube positioning with standard angle device 24 Surface middle part is fixedly installed outside head tube positioning round table 25, the diameter of head tube positioning round table 25 and head tube lower end upwards Footpath matches and is provided with the head tube locating dowel 26 matched with headstock bore on coaxial at head tube positioning round table axle center；
The direction closing piece positioning component includes the headstock pipe fittings positioning support angle of a L-shaped structure of entirety 27, the headstock pipe fittings positioning is upper according to consistent with the mounting hole on three-dimensional mounting platform with each side of support angle 27 Spacing and array of apertures be disposed with some mounting holes, the positioning of headstock pipe fittings is fitted with the lower surface of support angle 27 and leans on spiral shell Bolt is fixed on the moving block upper surface upper position of head tube positioning standard angle device, headstock pipe fittings positioning support angle 27 rear side faces top are fixedly installed a direction closing piece locating piece 28, and the one end of direction closing piece locating piece 28 is fixed on head tube Support angle rear side face top is used in annex positioning, and the other end extends to the back lower place and had in end enters directional lock for grafting The projection that direction closing piece 2 is positioned is realized in two grooves on block；
The direction limited block positioning component includes headstock pipe fittings positioning support angle 27 and a direction limited block Locating piece 29, one end of direction limited block locating piece 29 is fixed on headstock pipe fittings positioning support angle rear side face bottom, separately One end, which extends to the back lower place and had in end, is used for the locating slot that supplier inserts abutting positioning to the preceding lower end of limited block 3；
The fuel tank axis positioning component includes head tube positioning standard square chest 23, head tube positioning standard square chest 23 Upper end left and right sides lateral surface is fixedly connected with the positioning of fuel tank the axis lower support angle bar 30, oil of a L-shaped structure of entirety The positioning of case axis with each side of lower support angle bar 30 it is upper according to the spacing consistent with the mounting hole on three-dimensional mounting platform with Array of apertures is disposed with some mounting holes, and the positioning of fuel tank axis is fitted and by being bolted to car with the medial surface of lower support angle bar Head tube positioning standard square chest upper end lateral surface, fuel tank axis positioning is horizontal mounting plane with lower support angle bar 30 upper surface And the fuel tank axis positioning support angle bar 31 of a L-shaped structure of entirety is provided with, branch is used in the positioning of fuel tank axis Each side of support angle iron 31 is above disposed with some according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform Mounting hole and by being bolted to the positioning of fuel tank axis with lower support angle bar upper surface, the positioning of fuel tank axis is with supporting angle bar 31 Rear side surface, which extends back, is fixedly installed a fuel tank axis locating piece 32, and the upper surface of fuel tank axis locating piece 32 is along horizontal stroke To be provided with one be used for realize to the overhang bracket of fuel tank axis 4 positioning fuel tank axis locating slot；
Engine front overhang, which hangs installation axle positioning component, includes the engine front overhang extension installation of the rectangular body structure of an entirety Axle standard square chest 33, engine front overhang hang installation axle with each side of standard square chest 33 it is upper according to on three-dimensional mounting platform 1 The consistent spacing of mounting hole and array of apertures be disposed with some mounting holes, engine front overhang is hung installation axle standard square chest 33 and leaned on Head tube positioning standard square chest rear correspondence position on three-dimensional mounting platform is bolted to, engine front overhang is hung installation axle and used Oblique pipe diameter during the width of standard square chest 33 is combined with headstock pipe assembly is consistent, and engine front overhang hangs installation axle standard square chest The 33 upper ends left and right sides are fixedly connected with one piece of engine front overhang by bolt and hang installation axle locating piece 34, and engine front overhang, which is hung, to be installed Axle locating piece 34 has a part for extending anteriorly out engine front overhang extension installation axle standard square chest and inclined on the portion Tiltedly it is provided with two consistent engine front overhangs corresponding with the engine front overhang extension installation axle mounting hole on lower oblique tube and hangs installation axle Positioning hole is simultaneously positioned for hanging the insertion of installation axle 5 for engine front overhang；
Oblique pipe fittings installation hanger positioning component includes engine front overhang and hangs installation axle standard square chest 33, hair Motivation forward mounting installation axle is fixedly installed an oblique pipe fittings installation by bolt with the upper surface middle part of standard square chest 33 and hung Frame locating piece 35, the oblique front end of pipe fittings installation hanger locating piece 35 extends to form an oblique pipe fittings peace obliquely Dress uses hanger positioning end, and the oblique pipe fittings installation is with hanger positioning end leading flank shape and oblique pipe fittings installation hanger Underside shape is consistent afterwards and oblique pipe fittings installation is positioned with the support of lower surface after hanger 6 for realizing.
So, in use, first adjust head tube positioning opens up into required angle with the angle of standard angle device, so Head tube, which is inserted into head tube locating dowel, again afterwards makes its lower end and head tube positioning round table abut supporting and realize head tube Positioning, lower oblique tube lower end is dropped into two engine front overhangs and is hung between installation axle locating pieces, and two are started Machine forward mounting installation axle extends transversely through the corresponding engine front overhang of insertion and hangs installation axle positioning hole and engine front overhang extension installation axle Mounting hole；While so having achieved the positioning to root engine front overhang extension installation axle, also achieve to headstock pipe assembly The complete positioning of combination；Then direction closing piece is fitted in head tube upper end installation site and by direction closing piece locating piece front end again Raised direction of insertion closing piece two grooves in realize positioning to direction closing piece；Direction limited block upper end is fitted in headstock Pipe lower end installation site simultaneously makes the insertion of its lower end be connected in the locating slot of direction limited block locating piece, realizes to direction limited block Positioning；Then fuel tank axis is extended transversely through after the mounting hole being inserted on head tube mounting bracket, makes the positioning support of its two ends The positioning to fuel tank axis is realized in the fuel tank axis locating slot of fuel tank axis locating piece upper surface；Then by oblique pipe fittings The laminating of installation hanger front end snaps into installation site on lower oblique tube, and makes downside thereafter and oblique pipe fittings installation hanger The upper front end face of locating piece is fitted and abuts support, realizes the positioning to oblique pipe fittings installation hanger.In this manner it is possible to adopt Disposably realized with welding gun and combine spacing with engine front overhang extension installation axle thereon, direction closing piece, direction to headstock pipe assembly Being welded and fixed between block, fuel tank axis and oblique pipe fittings installation hanger.Make each component relative-position error reliable and Welding operation is convenient and swift, saves cost.Simultaneously as employing standard square chest, support angle, standard angle device and three-dimensional Linking is realized between mounting platform and other non-standard align members and is coordinated so that each location structure can be flexibly and easily Installation is adjusted as needed, it is highly suitable for sample trial-production needs to make when adjusting each component partial member position With dramatically saves on R＆D costs.Meanwhile, the non-standard align member of which part can be realized simultaneously to be determined multiple components Position, structure setting is ingenious and ensure that the precision of mutual alignment.
Wherein, the vehicle frame halfbody combination bottom positioning welding clamp structure includes above hanging installation axle after engine and preceding Down tube strengthens lower suspension installation axle positioning component, preceding down tube lateral connection axle after connecting shaft positioning component, bottom fork axis and engine Positioning component, side stand installing plate positioning component, back foot journal stirrup positioning component and pedal installing pipe lateral connection axle positioning group Part；
Upper suspension installation axle and preceding down tube reinforcement connecting shaft positioning component are rectangular including an entirety after the engine The preceding down tube Accessory Members positioning standard square chest 36 of body structure, the preceding down tube Accessory Members positioning each side of standard square chest 36 Some mounting holes are disposed with according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform 1 on face, it is front lower Pipe Accessory Members positioning standard square chest 36 is located at engine front overhang extension installation axle use by being bolted on three-dimensional mounting platform The rear correspondence position of standard square chest 33；Preceding down tube Accessory Members positioning is solid each side by bolt with the top of standard square chest 36 Surely it is connected with after an engine upper suspension installation axle and preceding down tube strengthens upper after connecting shaft locating piece 37, the engine hang Installation axle and the rear end of preceding down tube reinforcement connecting shaft locating piece 37 extend and offer one upwards in upper end rearwardly and upwardly to be used for Strengthen preceding down tube connecting shaft 8 and realize that the preceding down tube of positioning is strengthened upper suspension after connecting shaft locating slot 38, the engine and installed Axle and preceding down tube strengthen corresponding extend transversely through in the middle part of connecting shaft locating piece and are provided with after engine upper suspension installation axle positioning hole 39 And for realizing positioning for upper suspension installation axle 7 end insertion after engine；
Lower suspension installation axle positioning component includes preceding down tube Accessory Members positioning standard after the bottom fork axis and engine Square chest 36, in addition to it is fixed on vertically setting for preceding down tube Accessory Members positioning standard square chest left and right sides medium position by bolt Upper end position is correspondingly arranged on for penetrating positioning for bottom fork axis after the bottom fork axis locating piece 40 put, the bottom fork axis locating piece 40 Bottom fork axis positioning hole 41；Extended downwardly in the middle part of the bottom fork axis locating piece rear side and convexed to form lower after an engine hang The lower end of suspension installation axle locating piece 42, which is extended transversely through, under hanging after installation axle locating piece 42, the engine is formed with one for supplying Lower suspension installation axle positioning hole after the engine of lower suspension installation axle 10 insertion positioning after engine；
The preceding down tube lateral connection axle positioning component includes preceding down tube Accessory Members positioning standard square chest 36, in addition to The vertically arranged preceding down tube of down tube Accessory Members positioning standard square chest left and right sides lower position is horizontal before being fixed on by bolt To connecting shaft locating piece 43, the preceding down tube lateral connection axle locating piece 43 is rearwardly and upwardly to extended and rear upper end face pair Down tube lateral connection axle 13 supports the preceding down tube lateral connection axle locating slot 44 of positioning before should being provided with for realizing；
The side stand installing plate positioning that the side stand installing plate positioning component includes the rectangular body structure of an entirety is used Standard square chest 45, the side stand installing plate positioning with each side of standard square chest 45 it is upper according to the peace on three-dimensional mounting platform The consistent spacing in dress hole and array of apertures are disposed with some mounting holes, and the positioning of side stand installing plate is solid by bolt with standard square chest 45 It is scheduled on three-dimensional mounting platform 1 and is located at the front lower rear correspondence position of pipe Accessory Members positioning standard square chest 36；Side stand is installed Plate positioning is each side fixedly connected with a side stand installing plate locating piece 46, side with the top of standard square chest 45 by bolt Under carriage mounting plate locating piece front end forward downward extends and upside is provided with for realizing after side stand installing plate outside front end The side stand installing plate positioning step 47 of the embedded positioning in side, and be provided with and the company on side stand installing plate on its step surface Hole is connect unanimously and for inserting the positioning hole positioned by latch；
The back foot journal stirrup positioning component, includes the back foot journal stirrup positioning standard of the rectangular body structure of two entirety Square chest 48, the back foot journal stirrup positioning with each side of standard square chest 48 it is upper according to the mounting hole one on three-dimensional mounting platform The spacing and array of apertures of cause are disposed with some mounting holes, and two back foot journal stirrup positioning standard square chests 48 are by being bolted to It is located at the side stand installing plate positioning left and right sides rear correspondence position of standard square chest 45 on three-dimensional mounting platform；Back foot journal stirrup Positioning is with being further fixedly arranged on a back foot journal stirrup positioning standard angle device 49, the back foot journal stirrup on standard square chest 48 Positioning standard angle device 49 includes each fixed block and moving block with a hinged end and a folding end, fixed block and The hinged end of moving block is rotatably hinged and the rotational angle alignment pin for realizing rotational angle positioning is provided with hinged place, The fixed block be disposed with moving block according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform Some mounting holes, the back foot journal stirrup positioning is arranged and by bolt level backward with the fixed block folding end of standard angle device 49 It is fixed on the upper end of back foot journal stirrup positioning standard square chest 48, the moving block of the back foot journal stirrup positioning standard angle device 49 Upper surface middle part is fixedly installed the back foot journal stirrup locating piece 50 for realizing the positioning of back foot journal stirrup rear side surface bearing, after The mounting hole on back foot journal stirrup on pedal journal stirrup locating piece 50 after correspondence positioning, which is provided with jack and latch, is used for realization pair It is locked after the positioning of back foot journal stirrup 14；
The pedal installing pipe lateral connection axle positioning component includes the pedal installing pipe of the rectangular body structure of two entirety Lateral connection axle positioning standard square chest 51, the pedal installing pipe lateral connection axle with each side of standard square chest 51 it is upper according to The spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform 1 is disposed with some mounting holes, and pedal installing pipe is horizontal Connecting shaft positioning standard square chest 51 is by being bolted on three-dimensional mounting platform 1 and positioned at back foot journal stirrup positioning standard side The rear inner side of case 48；Two pedal installing pipe lateral connection axle positioning are fixed with the lateral surface upper end of standard square chest 51 by bolt It is connected with a vertically arranged pedal installing pipe lateral connection axle locating piece 52, the pedal installing pipe lateral connection axle positioning Extend the lateral connection axle positioning of pedal installing pipe and be correspondingly arranged on standard square chest and in end for supplying pin in the preceding upper end of block 52 Pedal the pedal installing pipe lateral connection axle positioning hole of the insertion positioning of installing pipe lateral connection axle 15.
So, in use, two vehicle frame halfbody combinations are first controlled into good position side by side, it is overlapped on its preceding down tube upper end The upper correspondence position of head tube combination having had good positioning and the reinforcement contiguous block by cover type determine two preceding down tube upper ends Right position, right latter two vehicle frame halfbody combination first realize that bottom fork axis installs through positioning, the branch of preceding down tube lateral connection axle Support positioning and running through for pedal installing pipe lateral connection axle position, and three anchor points of the triangle by so constituting come same Shi Shixian combines the positioning of itself to two vehicle frame halfbodies；Then upper suspension installation axle and preceding down tube after engine is leaned on to strengthen connecting again The preceding down tube of upper end strengthens the support that connecting shaft is strengthened preceding down tube in the realization of connecting shaft locating slot after spindle alignment block, while so that Preceding down tube strengthens down tube before the pre-fixed installation in connecting shaft two ends and strengthens correspondence connection position in connecting shaft journal stirrup and preceding down tube Surface laminating is put, so realizes that strengthening preceding down tube connecting shaft and preceding down tube strengthens the positioning of connecting shaft simultaneously；Again will be advance Being connected after the engine that installation axle journal stirrup is above hung after engine, above the two ends of suspension installation axle are inserted into after engine In upper suspension installation axle positioning hole, upper suspension installation axle causes upper suspension installation axle journal stirrup after engine after rotation adjustment engine Installation site laminating corresponding with preceding down tube, thus realizes and is hung to upper after upper suspension installation axle after engine and engine simultaneously The positioning of installation axle journal stirrup；Then hung lower after the engine of lower suspension installation axle journal stirrup after the engine that has been connected in advance Installation axle two ends are inserted into after the engine after engine on lower suspension installation axle locating piece in lower suspension installation axle positioning hole, then So that lower after engine hang correspondence position laminating in installation axle journal stirrup and preceding down tube, i.e., realize simultaneously to lower outstanding after engine Hang the positioning of lower suspension installation axle journal stirrup after installation axle and engine；Then side stand installing plate rear side face is fitted and positioned Onto the side stand installing plate positioning step of side stand installing plate locating piece, paste link position in its upper side and preceding down tube Close and realize positioning, be inserted into the positioning on connecting hole and side stand installing plate positioning step of the latch to side stand installing plate Realize locked in hole；Then back foot journal stirrup is navigated on back foot journal stirrup locating piece and inserts locked by latch.So, so that it may Two vehicle frame halfbody combination each Accessory Members in bottom are welded and fixed with disposably being realized using welding gun.Make the mutual position of each component Put that precision is reliable and welding operation is convenient and swift, save cost.Simultaneously as employing standard square chest, support angle, standard Linking is realized between protractor and three-dimensional mounting platform and other non-standard align members and is coordinated so that each location structure can So that installation to be flexibly and easily adjusted as needed, it is highly suitable for sample trial-production needs to adjust each Local Members position Used when putting, dramatically saves on R＆D costs.Meanwhile, the non-standard align member of which part can be realized to multiple structures simultaneously The positioning of part, structure setting is ingenious and ensure that the precision of mutual alignment.
Wherein, the vehicle frame halfbody combination top positioning welding clamp structure includes strengthening contiguous block positioning component, upper pipe Middle part connecting plate positioning component, seat cushion supporting plate positioning component, upper pipe rear portion connecting plate positioning component, the positioning of rear damping installation axle Component and upper pipe tail end connecting plate positioning component；
The contiguous block positioning component of strengthening includes the upper pipe connecting elements positioning mark of the rectangular body structure of an entirety Quasi- square chest 53, the upper pipe connecting elements positioning with each side of standard square chest 53 it is upper according to the installation on three-dimensional mounting platform The consistent spacing in hole and array of apertures are disposed with some mounting holes, and upper pipe connecting elements positioning is fixed with standard square chest 53 by bolt The rear portion correspondence position on three-dimensional mounting platform 1, upper pipe connecting elements positioning is fixedly installed with the top leading flank of standard square chest 53 There are the upper pipe connecting elements positioning support angle bar 54 that an entirety is triangular in shape, the upper pipe connecting elements positioning strut angle Each side of iron 54 is upper to be disposed with some installations according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform There is hole, upper pipe connecting elements positioning support angle bar 54 a vertical laminating to be arranged on pipe connecting elements positioning standard side The vertical joint face of case leading flank is simultaneously fixedly connected by bolt, and the upper pipe connecting elements positioning is with support angle bar 54 upper surface Horizontal forward extended mounting plane；Strengthening contiguous block positioning component also includes being fixedly installed on the positioning of pipe connecting elements With two pieces of support angle bar 54 upper surface front center position vertical spaced reinforcement contiguous block locating pieces in left-right direction 55, strengthen spacing between contiguous block locating pieces 55 and be more than for two pieces to strengthen the width of contiguous block 16 and two pieces are strengthened contiguous block upper ends correspondence Strengthen the jack on contiguous block 16 and be provided with the positioning hole that the positioning for strengthening contiguous block 16 is realized for being inserted by latch；
The upper pipe middle part connecting plate positioning component includes being fixedly installed on pipe connecting elements positioning support angle bar 54 The upper pipe middle part connecting plate locating piece 56 of one of upper surface middle part position, upper 56 upper ends of pipe middle part connecting plate locating piece are upward Extension, which is formed, is used for the positive stop end spacing to the upper rear side of pipe middle part connecting plate 17；
The seat cushion supporting plate positioning component includes being fixedly installed on the pipe connecting elements positioning support upper table of angle bar 54 There is one to be used in fact on one seat cushion supporting plate locating piece 57 of face postmedian position, the top of seat cushion supporting plate locating piece 57 Now to the lower surface of seat cushion supporting plate 18 and the positioning table terrace of leading flank laminating positioning；
The upper pipe rear portion connecting plate positioning component includes being fixedly installed on pipe connecting elements positioning standard square chest The upper pipe rear portion connecting plate locating piece 58 of one of surface, the upper upper pipe rear portion connecting plate of the two ends of pipe rear portion connecting plate locating piece 58 correspondence On connecting hole be provided with two upper pipe rear portion connecting plate locating dowels 59, the upper upper end of pipe rear portion connecting plate locating dowel 59 straight up It is formed with positioning round table 60 and realizes positioning for inserting the connecting hole on pipe rear portion connecting plate 20；
The rear damping installation axle positioning component includes being fixedly connected on pipe connecting elements positioning standard square chest 53 Damping installation axle positioning contiguous block 61 after two of the portion left and right sides, the rear damping installation axle positioning leans on spiral shell with contiguous block 61 Bolt is fixed on the side of pipe connecting elements positioning standard square chest 53, and rear damping installation axle positioning is fixed with the upper surface of contiguous block 61 It is provided with rear damping installation axle locating piece 62, damping after the rear upper surface of damping installation axle locating piece 62 is provided with for realizing The rear damping installation axle locating slot of installation axle positioning, rear damping installation axle positioning component also includes rear damping and installs shaft compression latch 63, rear damping installation shaft compression latch 63 is vertically provided above rear damping installation axle locating slot and lower end is provided with compact heap use In realizing the compression to rear damping installation axle, the rear damping, which is installed after shaft compression latch 63 is arranged on by mounting bracket 64, to be subtracted Installation axle positioning is shaken with contiguous block 61；
The upper pipe tail end that the upper pipe tail end connecting plate positioning component includes the rectangular body structure of an entirety is connected Plate positioning standard square chest 65, the upper pipe tail end connecting plate positioning is pacified with each side of standard square chest 65 is upper according to three-dimensional The consistent spacing of mounting hole on assembling platform 1 and array of apertures are disposed with some mounting holes, and upper pipe tail end connecting plate positioning is used Standard square chest 65 is by being bolted to the upper rear pair of pipe connecting elements positioning standard square chest 53 of the three-dimensional upper surface of mounting platform 1 Position is answered, the upper pipe tail end connecting plate positioning is each provided with a upper pipe tail end with the upper surface left and right ends of standard square chest 65 Portion's locating piece 66, the upper outside of pipe tail end locating piece 66 is formed with the positioning for supporting positioning to upper pipe tail end for realizing Step 67；The upper pipe tail end connecting plate positioning is fixedly installed a upper pipe tail end with standard square chest leading flank medium position Extend upper pipe tail end connecting plate positioning standard in portion's connecting plate locating piece 68, the upper upper end of pipe tail end connecting plate locating piece 68 Square chest 65 is simultaneously formed with the positioning step for positioning of being fitted with the upper leading flank of pipe tail end connecting plate 21 in trailing flank.
So, in use, first causing three anchor points that two halfbodies combine portion on the lower to realize after basic fixed position, it will strengthen Contiguous block covers the head tube mounting bracket of headstock tube assembly and the preceding down tube front end lap-joint correspondence position of vehicle frame halfbody combination, Then two pieces of positioning holes strengthened on contiguous block locating piece are inserted by latch and the jack on corresponding reinforcement contiguous block is realized Strengthen being accurately positioned for contiguous block；Upper pipe middle part connecting plate is overlapped in the middle part of two upper pipes and top pipe middle part connecting plate is positioned Block is positioned before and after realizing it；The positioning table terrace of seat pad supporting plate locating piece realizes the positioning to seat cushion supporting plate；By upper pipe Rear portion connecting plate two ends transverse lap pipe rear portion correspondence position on two, then by two upper pipe rear portion connecting plate locating dowel upper ends The upper pipe rear portion connecting plate of positioning round table insertion on connecting hole realize positioning to upper pipe rear portion connecting plate；By damping after two The rear damping installation axle locating slot of installation axle locating piece upper surface is realized to be positioned to rear damping installation axle two ends, and damping is pacified rearward Shaft compression latch is filled to compress；Top pipe tail end locating piece realizes the Auxiliary support to two upper pipe afterbodys, by upper pipe tail end The positioning step that connecting plate is overlapped on top pipe tail end connecting plate locating piece upper end after pipe end-position realizes positioning.Then Completion can disposably be welded and strengthen contiguous block, upper pipe middle part connecting plate, seat cushion supporting plate, upper pipe rear portion connecting plate, rear damping Installation axle and upper pipe tail end connecting plate are welded and fixed.Make that each component relative-position error is reliable and welding operation facilitates fast Victory, saves cost.Simultaneously as employ standard square chest, support angle, standard angle device and three-dimensional mounting platform and its Linking is realized between his non-standard align member and is coordinated so that each location structure can be adjusted flexibly and easily as needed Section is installed, and it is highly suitable for sample trial-production needs to use when adjusting each Local Members position, dramatically saves on research and development Cost.Meanwhile, the non-standard align member of which part can realize the positioning to multiple components simultaneously, and structure setting is ingenious and protects The precision of mutual alignment is demonstrate,proved.

Claims (4)

1. a kind of knight's car sample vehicle frame processing method, it is characterised in that first individually complete the combination of headstock pipe assembly and left and right The independent processing of two vehicle frame halfbody combinations；Complete direction closing piece, direction limited block, fuel tank axis, engine front overhang and hang installation The independent processing of axle and oblique pipe fittings installation hanger；Complete above to hang installation axle after engine and be fixed on its two ends Upper suspension installation axle journal stirrup, preceding down tube strengthen connecting shaft and are fixed on the preceding down tube reinforcement connecting shaft branch at its two ends after engine After ear, bottom fork axis, engine lower suspension installation axle and be fixed on after the engine at its two ends lower suspension installation axle journal stirrup, it is collateral Frame installing plate, preceding down tube lateral connection axle, the independent processing of back foot journal stirrup and pedal installing pipe lateral connection axle；Complete to strengthen Contiguous block, upper pipe middle part connecting plate, seat cushion supporting plate, upper pipe rear portion connecting plate and upper pipe tail end connecting plate and rear damping peace Fill the independent processing of axle；Above-mentioned each component is positioned by weld jig again, it is then disposable to complete welding by each component phase Get knight's car sample vehicle frame continuously；
The weld jig includes upper surface and all side surfaces and the three-dimensional of some mounting holes is disposed with according to constant spacing array Mounting platform, and headstock pipe assembly integrated positioning weld jig structure, the vehicle frame halfbody group being arranged on three-dimensional mounting platform Close bottom positioning welding clamp structure and vehicle frame halfbody combination top positioning welding clamp structure；The headstock pipe assembly combination is fixed Position weld jig structure is used for positioning and direction closing piece, direction limited block, fuel tank axis, the hair for realizing the combination of headstock pipe assembly The positioning of motivation forward mounting installation axle and oblique pipe fittings installation hanger；The vehicle frame halfbody combines bottom positioning welding fixture Structure is used for the positioning for realizing the combination of vehicle frame halfbody, and upper suspension installation axle, preceding down tube strengthen connecting shaft, chain stay after engine Lower suspension installation axle journal stirrup, side stand installing plate, preceding down tube after installation axle and its engine is hung under after axle, engine laterally to connect The positioning of spindle, back foot journal stirrup and pedal installing pipe lateral connection axle；The vehicle frame halfbody combines top positioning welding fixture Structure is used to realize to strengthening contiguous block, upper pipe middle part connecting plate, seat cushion supporting plate, two upper pipe tail ends, upper pipe rear portions companies The positioning of fishplate bar and upper pipe tail end connecting plate and rear damping installation axle.
2. knight's car sample vehicle frame processing method as claimed in claim 1, it is characterised in that the headstock pipe assembly combination Positioning welding clamp structure, including head tube positioning component, direction closing piece positioning component, direction limited block positioning component, fuel tank Axis positioning component, engine front overhang hang installation axle positioning component and oblique pipe fittings is installed and uses hanger positioning component；
Standard square chest, the headstock are used in the head tube positioning that the head tube positioning component includes the rectangular body structure of an entirety With standard square chest, respectively side is upper according to the spacing and array of apertures cloth consistent with the mounting hole on three-dimensional mounting platform for pipe positioning Some mounting holes are equipped with, head tube positioning standard square chest is by being bolted to front position on three-dimensional mounting platform；The car Head tube positioning is fixedly installed a head tube positioning standard angle device, the head tube positioning mark with standard square chest upper end Quasi- protractor includes the hinge of each fixed block and moving block with a hinged end and a folding end, fixed block and moving block End is connect rotatably to be hinged and be provided with the rotational angle alignment pin for realizing rotational angle positioning, the fixed block in hinged place Be disposed with some mounting holes according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform on moving block, The head tube positioning is arranged forward with the fixed block folding end of standard angle device and is horizontally fixed on head tube positioning by bolt With standard square chest upper end, the head tube positioning is fixedly installed headstock upwards with the moving block upper surface middle part of standard angle device It is same at pipe positioning round table, the head tube positioning round table diameter and the matching of head tube lower end external diameter and head tube positioning round table axle center The head tube locating dowel matched with headstock bore is provided with axial direction；
The direction closing piece positioning component includes the headstock pipe fittings positioning support angle of a L-shaped structure of entirety, described Each side of headstock pipe fittings positioning support angle it is upper according to the spacing consistent with the mounting hole on three-dimensional mounting platform with Array of apertures is disposed with some mounting holes, and headstock pipe fittings positioning support angle lower surface is fitted and by being bolted to car The moving block upper surface upper position of head tube positioning standard angle device, the positioning of headstock pipe fittings is with support angle rear side face Portion is fixedly installed a direction closing piece locating piece, and direction closing piece locating piece one end is fixed on headstock pipe fittings positioning bearing angle Iron rear side face top, the other end extends to the back lower place and has to enter in two grooves on the closing piece of direction for grafting in end Realize the projection of direction closing piece positioning；
The direction limited block positioning component includes headstock pipe fittings positioning support angle and a direction limited block locating piece, Direction limited block locating piece one end is fixed on headstock pipe fittings positioning support angle rear side face bottom, and the other end is to the back lower place Extending and having in end is used for the locating slot that supplier abuts positioning to the preceding lower end insertion of limited block；
The fuel tank axis positioning component includes head tube positioning standard square chest, head tube positioning standard square chest upper end or so Both sides lateral surface is fixedly connected with the positioning of fuel tank the axis lower support angle bar, the positioning of fuel tank axis of a L-shaped structure of entirety Arranged with each side of lower support angle bar is upper according to the spacing consistent with the mounting hole on three-dimensional mounting platform and array of apertures There are some mounting holes, the positioning of fuel tank axis is fitted with the medial surface of lower support angle bar and marked by being bolted to head tube positioning Quasi- square chest upper end lateral surface, fuel tank axis positioning is horizontal mounting plane with lower support angle bar upper surface and is provided with one The fuel tank axis positioning support angle bar of the individual L-shaped structure of entirety, respectively side is upper equal with support angle bar for the positioning of fuel tank axis Some mounting holes are disposed with according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform and are fixed by bolt The support angle bar upper surface in the case where the positioning of fuel tank axis is used, fuel tank axis positions the fixation that extended back with support angle bar rear side surface Be provided with a fuel tank axis locating piece, the fuel tank axis locating piece upper surface be horizontally arranged with one be used for realize to oil The fuel tank axis locating slot of case axis overhang bracket positioning；
Engine front overhang, which hangs installation axle positioning component, includes the engine front overhang extension installation axle use of the rectangular body structure of an entirety Standard square chest, engine front overhang hang installation axle with standard square chest respectively side it is upper according to the mounting hole one on three-dimensional mounting platform The spacing and array of apertures of cause are disposed with some mounting holes, and engine front overhang hangs installation axle standard square chest by being bolted to three Head tube positioning standard square chest rear correspondence position on mounting platform is tieed up, engine front overhang hangs installation axle standard square chest width Oblique pipe diameter in being combined with headstock pipe assembly is consistent, and engine front overhang is hung installation axle and leaned on the standard square chest upper end left and right sides Bolt is fixedly connected with one piece of engine front overhang and hangs installation axle locating piece, engine front overhang hang installation axle locating piece have one to Before extend engine front overhang and hang installation axle with the part of standard square chest and be tiltedly installed with two and lower oblique tube on the portion On engine front overhang hang the consistent engine front overhang of installation axle mounting hole correspondence and hang installation axle positioning hole and for supplying engine The insertion positioning of forward mounting installation axle；
Oblique pipe fittings installation hanger positioning component includes engine front overhang and hung before installation axle standard square chest, engine Suspension installation axle is fixedly installed an oblique pipe fittings installation hanger locating piece with standard square chest upper surface middle part by bolt, The oblique pipe fittings installation hanger locating piece front end extends obliquely to be formed an oblique pipe fittings installation and is positioned with hanger End, oblique pipe fittings installation underside shape after hanger positioning end leading flank shape and oblique pipe fittings installation hanger Support positioning consistent and for realization to lower surface after oblique pipe fittings installation hanger.
3. knight's car sample vehicle frame processing method as claimed in claim 2, it is characterised in that under the vehicle frame halfbody combination Portion's positioning welding clamp structure include upper suspension installation axle and preceding down tube after engine strengthen connecting shaft positioning component, bottom fork axis and Lower suspension installation axle positioning component after engine, preceding down tube lateral connection axle positioning component, side stand installing plate positioning component, after Pedal journal stirrup positioning component and pedal installing pipe lateral connection axle positioning component；
Upper suspension installation axle and preceding down tube, which strengthen connecting shaft positioning component, after the engine includes the rectangular body knot of an entirety Standard square chest is used in the preceding down tube Accessory Members positioning of structure, and the preceding down tube Accessory Members positioning is pressed with each side of standard square chest Some mounting holes, preceding down tube Accessory Members are disposed with according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform Positioning standard square chest is located at engine front overhang extension installation axle standard square chest rear by being bolted on three-dimensional mounting platform Correspondence position；Preceding down tube Accessory Members positioning is each side fixedly connected with one by bolt and started with standard square chest top Upper suspension installation axle and preceding down tube are strengthened above hanging installation axle after connecting shaft locating piece, the engine after machine and preceding down tube is strengthened Connecting shaft locating piece rear end extends and offers one upwards in upper end rearwardly and upwardly to be used to strengthen preceding down tube connecting shaft reality The preceding down tube now positioned strengthens upper suspension installation axle and preceding down tube after connecting shaft locating slot, the engine and strengthens connecting shaft positioning Correspondence, which is extended transversely through, in the middle part of block is provided with after engine upper suspension installation axle positioning hole and for being installed for upper suspension after engine Positioning is realized in shaft end insertion；
Lower suspension installation axle positioning component uses standard square chest including the positioning of preceding down tube Accessory Members after the bottom fork axis and engine, Also include the vertically arranged of down tube Accessory Members positioning standard square chest left and right sides medium position before being fixed on by bolt to put down The bottom fork axis that upper end position is correspondingly arranged on for penetrating positioning for bottom fork axis after fork shaft locating piece, the bottom fork axis locating piece is determined Position hole；Extended downwardly in the middle part of the bottom fork axis locating piece rear side and convexed to form lower suspension installation axle positioning after an engine Lower suspension installation axle locating piece lower end, which is extended transversely through, after block, the engine is formed with one and is used to pacify for lower suspension after engine Fill lower suspension installation axle positioning hole after the engine of axle insertion positioning；
The preceding down tube lateral connection axle positioning component includes the positioning of preceding down tube Accessory Members and uses standard square chest, in addition to by bolt The vertically arranged preceding down tube lateral connection of down tube Accessory Members positioning standard square chest left and right sides lower position before being fixed on Axle locating piece, the preceding down tube lateral connection axle locating piece is correspondingly arranged useful to extended and rear upper end face rearwardly and upwardly The preceding down tube lateral connection axle locating slot of down tube lateral connection e axle supporting positioning before realizing；
The side stand installing plate positioning component includes the side stand installing plate positioning standard of the rectangular body structure of an entirety Square chest, with standard square chest, respectively side is upper according to consistent with the mounting hole on three-dimensional mounting platform for the side stand installing plate positioning Spacing and array of apertures be disposed with some mounting holes, side stand installing plate positioning standard square chest is by being bolted to three-dimensional peace It is located at front lower pipe Accessory Members positioning standard square chest rear correspondence position on assembling platform；Side stand installing plate positioning standard side Upper box part is each side fixedly connected with before a side stand installing plate locating piece, side stand installing plate locating piece by bolt End forward downward extends and upside is provided with for realizing the collateral of side stand installing plate rear side face insertion positioning outside front end Frame installing plate positioning step, and be provided with consistent with the connecting hole on side stand installing plate on its step surface and be used to lean on latch Insert the positioning hole of positioning；
The back foot journal stirrup positioning component, includes the back foot journal stirrup positioning standard side of the rectangular body structure of two entirety Case, with standard square chest, respectively side is upper according between consistent with the mounting hole on three-dimensional mounting platform for the back foot journal stirrup positioning Away from some mounting holes are disposed with array of apertures, two back foot journal stirrup positioning standard square chests are by being bolted to three-dimensional installation It is located at side stand installing plate positioning standard square chest left and right sides rear correspondence position on platform；Back foot journal stirrup positioning standard A back foot journal stirrup positioning standard angle device, the back foot journal stirrup positioning standard angle are further fixedly arranged on square chest Device includes each fixed block and moving block with a hinged end and a folding end, and the hinged end of fixed block and moving block can Rotate the rotational angle alignment pin for being hinged and being provided with hinged place for realizing rotational angle positioning, the fixed block and rotation Be disposed with some mounting holes according to the spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform on block, it is described after The positioning of pedal journal stirrup is arranged and is horizontally fixed on back foot journal stirrup by bolt backward with the fixed block folding end of standard angle device to be determined Position standard square chest upper end, the back foot journal stirrup positioning is fixedly installed useful with the moving block upper surface middle part of standard angle device In correspondence positioning on the back foot journal stirrup locating piece for realizing the positioning of back foot journal stirrup rear side surface bearing, back foot journal stirrup locating piece The mounting hole on back foot journal stirrup afterwards, which is provided with jack and latch, to be used to realize to locked after the positioning of back foot journal stirrup；
The pedal installing pipe that the pedal installing pipe lateral connection axle positioning component includes the rectangular body structure of two entirety is horizontal Standard square chest use in connecting shaft positioning, and with standard square chest, respectively side is gone up according to three for the pedal installing pipe lateral connection axle positioning Tie up the consistent spacing of the mounting hole on mounting platform and array of apertures is disposed with some mounting holes, pedal installing pipe lateral connection axle Positioning standard square chest is by being bolted on three-dimensional mounting platform and in back foot journal stirrup positioning standard square chest rear Side position；Two pedal installing pipe lateral connection axle positioning are fixedly connected with one by bolt with standard square chest lateral surface upper end and erected To the pedal installing pipe lateral connection axle locating piece of setting, the preceding upper end of the pedal installing pipe lateral connection axle locating piece is extended The lateral connection axle positioning of pedal installing pipe is correspondingly arranged on standard square chest and in end for supplying pedal installing pipe lateral connection The pedal installing pipe lateral connection axle positioning hole of axle insertion positioning.
4. knight's car sample vehicle frame processing method as claimed in claim 1, it is characterised in that in the vehicle frame halfbody combination Portion's positioning welding clamp structure, which includes reinforcement contiguous block positioning component, upper pipe middle part connecting plate positioning component, seat cushion supporting plate, to be determined Hyte part, upper pipe rear portion connecting plate positioning component, rear damping installation axle positioning component and upper pipe tail end connecting plate positioning component；
The reinforcement contiguous block positioning component includes the upper pipe connecting elements positioning standard side of the rectangular body structure of an entirety Case, with standard square chest, respectively side is upper according to consistent with the mounting hole on three-dimensional mounting platform for the upper pipe connecting elements positioning Spacing and array of apertures are disposed with some mounting holes, and upper pipe connecting elements positioning standard square chest is by being bolted to three-dimensional installation Rear portion correspondence position on platform, upper pipe connecting elements positioning is fixedly installed an entirety with standard square chest top leading flank in three Angular upper pipe connecting elements positioning support angle bar, the upper pipe connecting elements positioning with support angle bar respectively side it is upper according to The spacing and array of apertures consistent with the mounting hole on three-dimensional mounting platform is disposed with some mounting holes, upper pipe connecting elements positioning With support angle bar there is vertical fits to be arranged on the vertical joint face of upper pipe connecting elements positioning standard square chest leading flank And be fixedly connected by bolt, the upper pipe connecting elements positioning support angle bar upper surface is horizontal forward extended installation Plane；Strengthening contiguous block positioning component also includes being fixedly installed in pipe connecting elements positioning support angle bar upper surface front end Two pieces of portion position are vertically spaced in left-right direction to be strengthened between contiguous block locating piece, two pieces of reinforcement contiguous block locating pieces Spacing is more than the jacks strengthened on contiguous block width and two pieces of reinforcement contiguous block locating piece upper end correspondence reinforcement contiguous blocks and is provided with The positioning hole for the positioning for strengthening contiguous block is realized for being inserted by latch；
The upper pipe middle part connecting plate positioning component includes being fixedly installed on pipe connecting elements positioning support angle bar upper surface The upper pipe middle part connecting plate locating piece of one of medium position, the upper pipe middle part connecting plate locating piece upper end upwardly extends to form use In to positive stop end spacing on rear side of upper pipe middle part connecting plate；
The seat cushion supporting plate positioning component is included after being fixedly installed in pipe connecting elements positioning support angle bar upper surface There is one seat cushion is held for realizing on one seat cushion supporting plate locating piece of portion position, the seat cushion supporting plate locating piece top Supporting plate lower surface and the positioning table terrace of leading flank laminating positioning；
The upper pipe rear portion connecting plate positioning component includes being fixedly installed on pipe connecting elements positioning standard square chest upper surface A upper pipe rear portion connecting plate locating piece, the connection on the upper upper pipe rear portion connecting plate of pipe rear portion connecting plate locating piece two ends correspondence Hole is provided with two upper pipe rear portion connecting plate locating dowels straight up, and upper pipe rear portion connecting plate locating dowel upper end is formed with setting circle Platform simultaneously realizes positioning for inserting the connecting hole on the connecting plate of pipe rear portion；
The rear damping installation axle positioning component includes being fixedly connected on pipe connecting elements positioning standard square chest top or so Damping installation axle positioning contiguous block after two of both sides, the rear damping installation axle positioning contiguous block by being bolted on Pipe connecting elements positioning standard square chest side, rear damping installation axle positioning is fixedly installed rear damping peace with contiguous block upper surface Axle locating piece is filled, the rear damping installation axle locating piece upper surface is provided with the rear damping positioned for damping installation axle after realization Installation axle locating slot, rear damping installation axle positioning component also includes rear damping and installs shaft compression latch, and shaft compression is installed in rear damping Latch is vertically provided above rear damping installation axle locating slot and lower end be provided with compact heap be used for realize to rear damping installation axle Compression, the rear damping installs shaft compression latch and is arranged on by mounting bracket on rear damping installation axle positioning contiguous block；
The upper pipe tail end connecting plate that the upper pipe tail end connecting plate positioning component includes the rectangular body structure of an entirety is determined Standard square chest use in position, the upper pipe tail end connecting plate positioning with standard square chest respectively side go up according to on three-dimensional mounting platform The consistent spacing of mounting hole and array of apertures be disposed with some mounting holes, upper pipe tail end connecting plate positioning is leaned on standard square chest It is bolted to the upper pipe connecting elements positioning standard square chest rear correspondence position of three-dimensional mounting platform upper surface, the upper pipe The positioning of tail end connecting plate is each provided with a upper pipe tail end locating piece, the upper pipe with standard square chest upper surface left and right ends The positioning step for supporting positioning to upper pipe tail end for realizing is formed with the outside of tail end locating piece；The upper pipe tail end connects Fishplate bar positioning is fixedly installed a upper pipe tail end connecting plate locating piece, upper pipe tail end with standard square chest leading flank medium position Portion extend connecting plate locating piece upper end upper pipe tail end connecting plate positioning with standard square chest and trailing flank be formed with for and The positioning step of upper pipe tail end connecting plate leading flank laminating positioning.
CN201510588445.0A 2015-09-16 2015-09-16 A kind of knight's car sample vehicle frame processing method Expired - Fee Related CN105215631B (en)

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CN111791025B (en) * 2020-06-13 2021-12-14 宁波润轴汽配有限公司 Lower pipe frame processing technology
CN114535917B (en) * 2022-04-27 2022-07-19 成都航天万欣科技有限公司 Automatic welding platform and welding positioning method for clamping plate assembly

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CN104759822A (en) * 2015-04-17 2015-07-08 中联重科安徽工业车辆有限公司 Welding tool, welding equipment provided with same and welding method

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CN103182617A (en) * 2013-04-10 2013-07-03 力帆实业(集团)股份有限公司 Combination machining method of front half body of riding type motorcycle frame and auxiliary device thereof
CN104759822A (en) * 2015-04-17 2015-07-08 中联重科安徽工业车辆有限公司 Welding tool, welding equipment provided with same and welding method

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