CN105081648A

CN105081648A - Welding clamp for half frame assembly used for motorcycle sample

Info

Publication number: CN105081648A
Application number: CN201510558540.6A
Authority: CN
Inventors: 王亚军; 彭天一
Original assignee: Lifan Industry Group Co Ltd
Current assignee: Lifan Technology Group Co Ltd
Priority date: 2015-09-06
Filing date: 2015-09-06
Publication date: 2015-11-25
Anticipated expiration: 2035-09-06
Also published as: CN105081648B

Abstract

The invention discloses a welding clamp for a half frame assembly used for a motorcycle sample. The welding clamp is characterized by comprising a three-dimensional installing platform, a front lower pipe welding clamp structure, a rear lower pipe welding clamp structure, an upper pipe welding clamp structure and a pedal installing assembly welding clamp structure, wherein a plurality of installing holes are formed in the upper surface and the peripheral surfaces of the three-dimensional installing platform in an array mode at equal intervals, and the front lower pipe welding clamp structure, the rear lower pipe welding clamp structure, the upper pipe welding clamp structure and the pedal installing assembly welding clamp structure are arranged on the three-dimensional installing platform. By means of the welding clamp, the welding and assembling working procedures can be simplified, and the welding clamp has the advantages that the operation is simple, the cost is low, and the trial-manufacture and adjustment of the motorcycle sample can be facilitated.

Description

Knight's car sample vehicle frame halfbody Combination Welding fixture

Technical field

The present invention relates to frame of motorcycle manufacture field, relate to a kind of knight's car sample vehicle frame halfbody Combination Welding fixture especially.

Background technology

In motorcycle, riding-type motorcycle is as the vehicle of a classics, and have power large, the advantages such as performance of driving over a long distance is good, firmly get liking of consumer.Motorcycle is in R&D process simultaneously, often needs first R & D design to go out sample product, carries out testing inspection, to ensure the dependable with function of final finished.

Be in the trendy riding-type motorcycle of LF-125-2C in a model, its main body of vehicle frame combines and is connected to by head tube assembly two vehicle frame halfbodies combinations that head tube assembly combines the left and right sides, rear.Wherein vehicle frame halfbody combining structure (see Fig. 1), comprising an entirety is the front lower pipe that forward upward is obliquely installed, the head tube assembly linkage section for being connected with head tube assembly that after front lower pipe front end has one section of complications, forward upward angle of inclination diminishes, front lower pipe lower end bend forward forms the bottom fork axis installing plate linkage section that a section is protrusion arc backward, bottom fork axis installing plate linkage section is welded with forward bottom fork axis installing plate, and front lower pipe lower end place also transverse weld is fixed with front lower pipe lateral connection sleeve, also comprise a down tube, down tube is in the overall straight tube-like be obliquely installed rearwardly and upwardly, and down tube lower end is fixedly connected on rear side of the bottom fork axis installing plate linkage section of front lower pipe lower end, and down tube upper end is connected with a upper pipe, upper pipe is overall in be horizontally disposed with and front end overlap joint is fixed on the head tube assembly linkage section of front lower pipe front end, in the middle part of upper pipe, level curves inwardly to be formed and strengthens linkage section, and upper pipe rear end has one section of end segment tilting to extend rearwardly and upwardly and end segment underside of forward surface and down tube upper end are fixed, wherein go up on pipe and be fixed with downward two of arranging upper pipe storage batterys installation journal stirrups and a upper pipe covering installation journal stirrup from front to back successively, between upper pipe and down tube, angle is connected with the upper angle boss of a band earhole, and in down tube, compartment of terrain is provided with two forward upward and installs journal stirrup to the down tube covering extended, between down tube and front lower pipe, angle is connected with the lower angle boss of band locating hole, lower angle boss is upwards welded with boss storage battery and installs journal stirrup, vehicle frame halfbody combining structure also comprises pedal installation component, pedal installation component comprises one end and is fixed on the down tube lower rearward side surface other end to mounting pipe on the extended pedal in the back lower place, also comprise one end and be fixed on mounting pipe under front lower pipe lower end rear side surface other end pedal extended rearwardly and upwardly, on pedal, mounting pipe and mounting pipe under pedal intersect and to be connected and angle is welded with one piece of leg-of-mutton rear angle boss, rear angle boss is used for transverse weld and fixes back foot journal stirrup, on pedal, under mounting pipe and pedal, outer end, mounting pipe junction is also laterally fixed with pedal mounting pipe lateral connection sleeve, upper pedal mounting pipe rear portion upper side is also fixedly connected with a leg-of-mutton back foot peg rearwardly and upwardly.

The vehicle frame halfbody combination of said structure, when motorcycle research and development sample is produced, after normally front lower pipe, down tube, upper pipe and pedal installation component each several part design the weld jig realization welding of fixed structure separately, more overall combination is welded as a whole.Like this, there is operation various, complicated operation, the defect of high cost.Particularly adjust because sample production usually needs to install the minor structures such as journal stirrup to the such as covering of some local, like this, each adjustment all adopts the weld jig of fixed structure to realize welding, greatly increases cost, constrains the expansion that sample is researched and developed.

Summary of the invention

For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: how to provide one to simplify operation, make it simple to operate, with low cost, and conveniently can manufacture experimently knight's car sample vehicle frame halfbody Combination Welding fixture of adjustment further.

In order to solve the problems of the technologies described above, present invention employs following technical scheme: when describing the combination of knight's car sample vehicle frame halfbody in scheme, be arranged on the state after on vehicle frame for orientation with it and describing benchmark.

A kind of knight's car sample vehicle frame halfbody Combination Welding fixture, it is characterized in that, described knight's car sample vehicle frame halfbody combination, comprising an entirety is the front lower pipe that forward upward is obliquely installed, the head tube assembly linkage section for being connected with head tube assembly that after front lower pipe front end has one section of complications, forward upward angle of inclination diminishes, front lower pipe lower end bend forward forms the bottom fork axis installing plate linkage section that a section is protrusion arc backward, bottom fork axis installing plate linkage section is welded with forward bottom fork axis installing plate, front lower pipe lower end place also transverse weld is fixed with front lower pipe lateral connection sleeve, also comprise a down tube, down tube is in the overall straight tube-like be obliquely installed rearwardly and upwardly, and down tube lower end is fixedly connected on rear side of the bottom fork axis installing plate linkage section of front lower pipe lower end, and down tube upper end is connected with a upper pipe, upper pipe is overall in be horizontally disposed with and front end overlap joint is fixed on the head tube assembly linkage section of front lower pipe front end, in the middle part of upper pipe, level curves inwardly to be formed and strengthens linkage section, and upper pipe rear end has one section of end segment tilting to extend rearwardly and upwardly and end segment underside of forward surface and down tube upper end are fixed, wherein go up on pipe and be fixed with downward two of arranging upper pipe storage batterys installation journal stirrups and a upper pipe covering installation journal stirrup from front to back successively, between upper pipe and down tube, angle is connected with the upper angle boss of a band earhole, and in down tube, compartment of terrain is provided with two forward upward and installs journal stirrup to the down tube covering extended, between down tube and front lower pipe, angle is connected with the lower angle boss of band locating hole, lower angle boss is upwards welded with boss storage battery and installs journal stirrup, vehicle frame halfbody combining structure also comprises pedal installation component, pedal installation component comprises one end and is fixed on the down tube lower rearward side surface other end to mounting pipe on the extended pedal in the back lower place, also comprise one end and be fixed on mounting pipe under front lower pipe lower end rear side surface other end pedal extended rearwardly and upwardly, on pedal, mounting pipe and mounting pipe under pedal intersect and to be connected and angle is welded with one piece of leg-of-mutton rear angle boss, rear angle boss is used for transverse weld and fixes back foot journal stirrup, on pedal, under mounting pipe and pedal, outer end, mounting pipe junction is also laterally fixed with pedal mounting pipe lateral connection sleeve, upper pedal mounting pipe rear portion upper side is also fixedly connected with a leg-of-mutton back foot peg rearwardly and upwardly,

Described weld jig comprises upper surface and all side surfaces all have some installing holes three-dimensional mounting platform according to constant spacing arranged in arrays, and is arranged on front lower pipe weld jig structure, down tube weld jig structure, upper pipe weld jig structure and the pedal installation component weld jig structure on three-dimensional mounting platform; Described front lower pipe weld jig structure is for realizing the location of front lower pipe, front lower pipe lateral connection sleeve, bottom fork axis installing plate, lower angle boss and boss storage battery being installed to journal stirrup; Described down tube weld jig structure is for realizing the location to down tube and two down tube covering installation journal stirrups; Described upper pipe weld jig structure is for realizing the location to upper pipe, two upper pipe storage batterys installation journal stirrups, a upper pipe covering installation journal stirrup and upper angle bosses; Described pedal installation component weld jig structure is for realizing the location to mounting pipe, pedal mounting pipe lateral connection sleeve, rear angle boss and back foot peg under mounting pipe, pedal on pedal.

Like this, the weld jig of such scheme, can realize the Set and Positioning to three of vehicle frame halfbody supervisors and each Accessory Members simultaneously, can directly adopt the disposable realization of welding gun to being welded and fixed between each component behind location.Make each component relative-position error reliable and welding operation is convenient and swift, provide cost savings.

As optimization, described front lower pipe weld jig structure comprises positioning component and front lower tube head positioning component in the middle part of front lower pipe afterbody positioning component, front lower pipe;

Described front lower pipe afterbody positioning component comprises the front lower pipe afterbody location standard square chest of a rectangular body structure of entirety, the each side of standard square chest is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures in described front lower pipe afterbody location, front lower pipe afterbody location standard square chest is by being bolted on three-dimensional mounting platform, described front lower pipe afterbody positioning component also comprises one by being bolted to the front lower pipe afterbody locating piece of front lower pipe afterbody location standard square chest upper surface, the outer one end of described front lower pipe afterbody locating piece is vertically provided with the front lower pipe lateral connection sleeve positioning boss with front lower pipe lateral connection barrel bore coupling, described lateral connection sleeve positioning boss has been disposed adjacent a front lower pipe bottom fork axis installing plate linkage section positioning boss by inner side, the side that described front lower pipe bottom fork axis installing plate linkage section positioning boss and front lower pipe lateral connection sleeve positioning boss are connected side is the arc corresponding consistent with front lower pipe bottom fork axis installing plate linkage section leading flank arc and realizes the location to front lower pipe bottom fork axis installing plate linkage section, described front lower pipe bottom fork axis installing plate linkage section positioning boss upper surface is vertically provided with bottom fork axis installing plate locating hole and for realizing location to bottom fork axis installing plate by latch, journal stirrup locating hole installed by the boss storage battery that described front lower pipe afterbody locating piece is also provided with for realizing installing boss storage battery an earhole location of journal stirrup by latch by inner one end,

Localization criteria support angle in the middle part of the front lower pipe that in the middle part of front lower pipe, positioning component comprises a L-shaped structure of entirety, in the middle part of described front lower pipe, each side of localization criteria support angle is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures, in the middle part of front lower pipe, localization criteria support angle is by being bolted on three-dimensional mounting platform, locating piece in the middle part of the front lower pipe that in the middle part of described front lower pipe, positioning component also comprises by being bolted in the middle part of front lower pipe on localization criteria support angle side, in the middle part of described front lower pipe, locating piece has an outward extending part of transverse horizontal and on the portion surface be provided with for realizing front lower pipe medium position location front lower pipe in the middle part of locating slot,

Front lower tube head positioning component comprises the front lower tube head localization criteria support angle of a L-shaped structure of entirety, each side is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures to described front lower tube head localization criteria support angle, front lower tube head localization criteria support angle is by being bolted on three-dimensional mounting platform, described front lower tube head positioning component also comprises a front lower tube head locating piece by being bolted on front lower tube head localization criteria support angle side, described front lower tube head locating piece has an outward extending part of transverse horizontal and surface is provided with the front lower tube head locating slot for realizing location, front lower tube head position on the portion.

Like this, during use, first front lower pipe lateral connection sleeve socket is navigated on front lower pipe lateral connection sleeve positioning boss, as benchmark, after front lower pipe horizontal positioned, its tail end is abutted to be navigated on front lower pipe lateral connection sleeve, and then make the bottom fork axis installing plate linkage section leading flank on front lower pipe be close to the side, location of front lower pipe bottom fork axis installing plate linkage section positioning boss, then in the middle part of forward lower pipe, locating slot and front lower tube head locating slot realize in the middle part of front lower pipe and the location of head respectively, so just achieve and the entirety of front lower tube body is located, and then bottom fork axis installing plate level is placed in front lower pipe bottom fork axis installing plate linkage section positioning boss upper surface and bottom fork axis installing plate arc side is contacted with the bottom fork axis installing plate linkage section of front lower pipe and realize location, insert the bottom fork axis installing hole on bottom fork axis installing plate and the bottom fork axis installing plate locating hole on front lower pipe bottom fork axis installing plate linkage section positioning boss by latch again, fixing further bottom fork axis installing plate can be realized, after the good down tube of subsequent installation, lower angle boss is positioned between front lower pipe on front lower pipe afterbody locating piece and down tube angle by own form, then boss storage battery is installed journal stirrup side and lower angle boss and to be connected location, and inserts the boss storage battery boss storage battery installed on an earhole of journal stirrup and front lower pipe afterbody locating piece by latch simultaneously and install in journal stirrup locating hole and realize fixing.Like this, can directly adopt the disposable realization of welding gun, to front lower pipe and front lower pipe lateral connection sleeve, bottom fork axis installing plate, lower angle boss and boss storage battery on it, being welded and fixed between journal stirrup is installed.Make each component relative-position error reliable and welding operation is convenient and swift, provide cost savings.Simultaneously, realize being connected and coordinating between localization criteria support angle, front lower tube head localization criteria support angle and three-dimensional mounting platform and other non-standard align members owing to have employed in the middle part of front lower pipe afterbody location standard square chest, front lower pipe, make each location structure can carry out adjustment flexibly and easily as required to install, make it be suitable for very much sample trial-production to need to use when adjusting each component partial member position, dramatically saves on R&D costs.Meanwhile, wherein the non-standard align member of part can realize the location to multiple component simultaneously, and vibrational power flow is ingenious and ensure that the precision of mutual alignment.

As optimization, described down tube weld jig structure comprises down tube afterbody positioning component, down tube covering installs journal stirrup positioning component and the anterior locating piece of down tube;

Described down tube afterbody positioning component, comprise the down tube afterbody localization criteria support angle of a L-shaped structure of entirety, each side is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures to described down tube afterbody localization criteria support angle, down tube afterbody localization criteria support angle is by being bolted on three-dimensional mounting platform, described down tube afterbody positioning component also comprises a down tube afterbody locating piece by being bolted on down tube afterbody localization criteria support angle side, described down tube afterbody locating piece has an outward extending part of transverse horizontal and on the portion surface be provided with for realize to down tube tail position location down tube afterbody locating slot,

Described down tube covering installs journal stirrup positioning component, the down tube covering comprising a rectangular body structure of entirety installs journal stirrup location standard square chest, described down tube covering is installed on each side of standard square chest, journal stirrup location and is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures, down tube covering installs journal stirrup location standard square chest by being bolted on three-dimensional mounting platform, described down tube covering is installed journal stirrup positioning component and is also comprised one is installed journal stirrup location standard square chest upper surface down tube covering installation journal stirrup locating piece by being bolted to down tube covering, described down tube covering installs journal stirrup locating piece for realizing installing two down tube coverings the location of journal stirrup, described down tube covering installation journal stirrup locating piece is also vertically provided with two down tube coverings journal stirrup locating holes are installed and to two down tube coverings, fixing of journal stirrups are installed for realizing by latch,

The anterior locating piece of described down tube is vertically fixedly connected in front lower pipe afterbody positioning component by bolt and is used as on the standard square chest side, front lower pipe afterbody location of brace foundation, and the anterior locating piece upper end of described down tube is provided with for realizing the anterior locating slot of the down tube of location, down tube forward position.

Like this, during use, first down tube afterbody and front portion are placed in respectively in the anterior locating slot of down tube afterbody locating slot and down tube, then make down tube front end and the bottom fork axis installing plate linkage section side correspondence position of front lower pipe of having had good positioning abut against, namely achieve the location to down tube; And then two down tube coverings are installed journal stirrup horizontal abutment to down tube covering installation journal stirrup locating piece upper surface correspondence position, down tube covering installation journal stirrup side and down tube is made to connect spacing, and with corresponding down tube covering, journal stirrup locating hole is installed by the earhole that latch is installed on journal stirrup through down tube covering, can realize, to down tube covering, the fixing of journal stirrup is installed; So just can adopt welding gun disposable complete between down tube and front lower pipe and down tube and two down tube coverings being welded and fixed between journal stirrups is installed.Make each component relative-position error reliable and welding operation is convenient and swift, provide cost savings.Simultaneously, journal stirrup location standard square chest is installed is connected and coordinates as realizing between standard component and three-dimensional mounting platform and other non-standard align members owing to have employed down tube afterbody localization criteria support angle and down tube covering, make each location structure can carry out adjustment flexibly and easily as required to install, make it be suitable for very much sample trial-production to need to use when adjusting each component partial member position, dramatically saves on R&D costs.Meanwhile, wherein the non-standard align member of part can realize the location to multiple component simultaneously, and vibrational power flow is ingenious and ensure that the precision of mutual alignment.

As optimization, described upper pipe weld jig structure comprises pipe afterbody positioning component, linkage section positioning component strengthened by upper pipe, journal stirrup positioning component installed by upper pipe storage battery, upper pipe covering installs journal stirrup positioning component and upper angle boss positioning component;

Described upper pipe afterbody positioning component, comprise the upper pipe afterbody localization criteria support angle of a L-shaped structure of entirety, each side is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures to described upper pipe afterbody localization criteria support angle, upper pipe afterbody localization criteria support angle is by being bolted on three-dimensional mounting platform, described upper pipe afterbody positioning component also comprises a upper pipe afterbody locating piece by being bolted on upper pipe afterbody localization criteria support angle side, described upper pipe afterbody locating piece has an outward extending part of transverse horizontal and surface is provided with the upper pipe afterbody locating slot for realizing upper pipe tail position location on the portion,

Linkage section positioning component strengthened by described upper pipe, linkage section location standard square chest strengthened by the upper pipe comprising a rectangular body structure of entirety, described upper pipe is strengthened each side of standard square chest, linkage section location is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures, upper pipe strengthens linkage section location standard square chest by being bolted on three-dimensional mounting platform, described upper pipe is strengthened linkage section positioning component and is also comprised two are strengthened linkage section location standard square chest side surface upper pipes reinforcement linkage section locating piece by being bolted to upper pipe, two upper pipes are strengthened linkage section locating piece being forward provided with separately pipe and are strengthened linkage section locating slot, two upper pipes are strengthened linkage section locating slots and upper pipe and are strengthened the both sides obliquity form fit of linkage section flexural center and correspondingly realize location,

Described upper pipe storage battery is installed journal stirrup positioning component and is comprised described two upper pipes reinforcement linkage section locating pieces, two are positioned in pipe reinforcement linkage section locating piece pipe reinforcement linkage section locating slot inner side wall upper surface and are provided with the upper pipe storage battery installation journal stirrup detent vertical with upper pipe reinforcement linkage section locating slot, journal stirrup detent installed by upper pipe storage battery and corresponding upper pipe storage battery is installed journal stirrup form fit and locates for it, upper pipe storage battery is installed in journal stirrup detent and is also provided with pipe storage battery installation journal stirrup locating hole and installs the fixing of journal stirrup for realizing by latch to upper pipe storage battery,

Described upper pipe covering installs journal stirrup positioning component, comprise a upper pipe covering strengthening standard square chest side, linkage section location by being bolted to described upper pipe and journal stirrup locating piece is installed, described upper pipe covering installs journal stirrup locating piece for realizing installing upper pipe covering the location of journal stirrup, and described upper pipe covering is installed and journal stirrup locating piece is also provided with a upper pipe covering is installed journal stirrup locating hole and install the fixing of journal stirrup for realizing by latch to upper pipe covering;

Described upper angle boss positioning component comprises described upper pipe covering and installs journal stirrup locating piece, described upper pipe covering installation journal stirrup locating piece has the part for positioning upper angle boss being positioned at pipe and down tube angle, and is provided with a upper angle boss locating hole on the portion and realizes fixing upper angle boss by latch.

Like this, during use, first the reinforcement linkage section flexural center two side position part of upper pipe being placed in two upper pipes strengthens in linkage section locating slot, the end segment of upper pipe is supported in upper pipe afterbody locating slot simultaneously, pipe front end is made to be overlapped on the head tube assembly linkage section of front lower pipe front end, upper pipe end segment underside of forward surface and down tube upper-end contact, namely realize the location to upper pipe; And then two upper pipe storage batterys are installed journal stirrups and be placed in two upper pipe storage batterys respectively and install in journal stirrup detents and make its connection side and upper pipe contact outside realize spacing, the upper pipe storage battery adopting latch to be inserted into the earhole and correspondence that journal stirrup installed by pipe storage battery is again installed in journal stirrup locating hole, namely realizes installing the fixing of journal stirrup to upper pipe storage battery; Again upper pipe covering is installed journal stirrup navigate to correspondence position on upper pipe covering installation journal stirrup locating piece and make its connection side contact spacing with upper pipe correspondence position, again the latch of correspondence is inserted into upper pipe covering and the earhole on journal stirrup is installed with in the upper pipe covering installation journal stirrup locating hole of correspondence, realize, to upper pipe covering, the fixing of journal stirrup is installed; Again upper angle boss is placed in upper pipe covering to install on journal stirrup locating piece and and upper pipe realizes locating with down tube angle interior side contacts, then realize fixing upper angle boss in upper angle boss locating hole on the upper pipe covering installation journal stirrup locating piece of the locating hole be inserted into by the latch of correspondence on upper angle boss and correspondence.Welding gun so just can be adopted disposablely to complete to upper pipe with between front lower pipe and down tube, upper pipe and two upper pipe storage batterys are installed between journal stirrups, upper pipe and upper pipe covering is installed between journal stirrup and upper pipe and being welded and fixed between down tube fixture and upper angle boss.Make each component relative-position error reliable and welding operation is convenient and swift, provide cost savings.Simultaneously, strengthen linkage section location standard square chest be connected and coordinate as realizing between standard component and three-dimensional mounting platform and other non-standard align members owing to have employed upper pipe afterbody localization criteria support angle and upper pipe, make each location structure can carry out adjustment flexibly and easily as required to install, make it be suitable for very much sample trial-production to need to use when adjusting each component partial member position, dramatically saves on R&D costs.Meanwhile, wherein the non-standard align member of part can realize the location to multiple component simultaneously, and vibrational power flow is ingenious and ensure that the precision of mutual alignment.

As optimization, described pedal installation component weld jig structure comprises mounting pipe locating piece on a pedal, mounting pipe locating piece and pedal upper and lower mounting pipe junction positioning component under a pedal;

On described pedal, mounting pipe locating piece is installed on the standard square chest sidewall of journal stirrup location by being bolted to the down tube covering installing journal stirrup installation foundation as down tube covering, mounting pipe locating slot on the pedal that on pedal, mounting pipe locating piece upper end has for being located near position, down tube place mounting pipe on pedal;

Under described pedal, mounting pipe locating piece is by being bolted on the front lower pipe afterbody location standard square chest sidewall as front lower pipe afterbody positioning component installation foundation, mounting pipe locating slot under the pedal that under described pedal, mounting pipe locating piece upper end has for being located near front lower Guan Chu position mounting pipe under pedal;

Described pedal upper and lower mounting pipe junction positioning component, comprise one by being bolted to the pedal upper and lower mounting pipe junction locating piece on three-dimensional mounting platform, the leg-of-mutton rear angle boss locating slot of described pedal upper and lower mounting pipe junction locating piece upper surface tool one, described rear angle boss locating slot bottom land is for realizing the location to rear angle boss, described rear angle boss locating slot both sides cell wall is for realizing the location outside to mounting pipe coupling part two under mounting pipe on pedal and pedal, described rear angle boss locating slot angle is also provided with the pedal mounting pipe lateral connection sleeve positioning round table for locating pedal mounting pipe lateral connection sleeve, described rear angle boss locating slot corresponding side cell wall upper surface is also provided with the back foot peg locating slot for locating back foot peg.

Like this, during use, first rear angle boss is positioned rear angle boss locating slot bottom land, pedal mounting pipe lateral connection sleeve is positioned on pedal mounting pipe lateral connection sleeve positioning round table, again mounting pipe one end on pedal to be positioned on pedal in mounting pipe locating slot and its end and down tube correspondence position is offseted, the mounting pipe other end on pedal to be positioned in rear angle boss locating slot and and pedal mounting pipe lateral connection sleeve connect; Mounting pipe one end under pedal to be positioned under pedal in mounting pipe locating slot and its end and front lower pipe correspondence position is offseted, the mounting pipe other end under pedal to be positioned in rear angle boss locating slot and and pedal mounting pipe lateral connection sleeve connect; Again back foot peg to be positioned in back foot peg locating slot and and on pedal mounting pipe connect; Namely the location to pedal installation component each several part component is realized.Being welded and fixed between so just can adopting that welding gun is disposable and completing pedal installation component each several part component.Make each component relative-position error reliable and welding operation is convenient and swift, provide cost savings.Simultaneously, owing to comprehensively have employed part of standards align member and part non-standard align member realization linking and coordinating, make each location structure can carry out adjustment flexibly and easily as required to install, make it be suitable for very much sample trial-production to need to use when adjusting each component partial member position, dramatically saves on R&D costs.Meanwhile, wherein part of standards align member and non-standard align member can realize the location to multiple component simultaneously, and vibrational power flow is ingenious and ensure that the precision of mutual alignment.

In sum, the present invention can simplify assemble welding operation, has simple to operate, with low cost, and can facilitate the advantages such as the trial-production adjustment of knight's car sample.

Accompanying drawing explanation

Top view when Fig. 1 is the embodiment use of the present invention's optimum.

Fig. 2 is the perspective view of Fig. 1.

Fig. 3 is the schematic diagram of independent weld jig in Fig. 1.

Detailed description of the invention

Below in conjunction with optimum embodiment and accompanying drawing, the present invention is described in further detail.

Optimum embodiment: as Figure 1-3, a kind of knight's car sample vehicle frame halfbody Combination Welding fixture, described knight's car sample vehicle frame halfbody combination, comprising an entirety is the front lower pipe 1 that forward upward is obliquely installed, the head tube assembly linkage section 2 for being connected with head tube assembly that after front lower pipe 1 front end has one section of complications, forward upward angle of inclination diminishes, front lower pipe 1 lower end bend forward forms the bottom fork axis installing plate linkage section 3 that a section is protrusion arc backward, bottom fork axis installing plate linkage section 3 is welded with forward bottom fork axis installing plate 4, front lower pipe 1 lower end place also transverse weld is fixed with front lower pipe lateral connection sleeve 5, also comprise a down tube 6, down tube 6 is in the overall straight tube-like be obliquely installed rearwardly and upwardly, and down tube 6 lower end is fixedly connected on rear side of the bottom fork axis installing plate linkage section 3 of front lower pipe lower end, and down tube 6 upper end is connected with a upper pipe 7, upper pipe 7 entirety in be horizontally disposed with and front end overlap joint be fixed on the head tube assembly linkage section 2 of front lower pipe front end, in the middle part of upper pipe 7, level curves inwardly to be formed and strengthens linkage section 8, and upper pipe rear end has one section of end segment 9 tilting to extend rearwardly and upwardly and end segment 9 underside of forward surface and down tube 6 upper end are fixed, wherein go up on pipe 7 and be fixed with downward two of arranging upper pipe storage batterys installation journal stirrups 10 and a upper pipe covering installation journal stirrup 12 from front to back successively, between upper pipe 7 and down tube 6, angle is connected with the upper angle boss 13 of a band earhole, and in down tube 6, compartment of terrain is provided with two forward upward and installs journal stirrup 14 to the down tube covering extended, between down tube 6 and front lower pipe 1, angle is connected with the lower angle boss 15 of band locating hole, lower angle boss 15 is upwards welded with boss storage battery and installs journal stirrup 16, vehicle frame halfbody combining structure also comprises pedal installation component, pedal installation component comprises one end and is fixed on the down tube lower rearward side surface other end to mounting pipe 17 on the extended pedal in the back lower place, also comprise one end and be fixed on mounting pipe 18 under front lower pipe lower end rear side surface other end pedal extended rearwardly and upwardly, on pedal, mounting pipe 17 and mounting pipe under pedal 18 intersect and to be connected and angle is welded with one piece of leg-of-mutton rear angle boss 19, rear angle boss 19 fixes back foot journal stirrup for transverse weld, on pedal, under mounting pipe 17 and pedal, outer end, mounting pipe 18 junction is also laterally fixed with pedal mounting pipe lateral connection sleeve 20, upper pedal mounting pipe rear portion upper side is also fixedly connected with a leg-of-mutton back foot peg 21 rearwardly and upwardly,

Described weld jig comprises upper surface and all side surfaces all have some installing holes three-dimensional mounting platform 22 according to constant spacing arranged in arrays, and is arranged on front lower pipe weld jig structure, down tube weld jig structure, upper pipe weld jig structure and the pedal installation component weld jig structure on three-dimensional mounting platform 22; Described front lower pipe weld jig structure is for realizing the location of front lower pipe 1, front lower pipe lateral connection sleeve 5, bottom fork axis installing plate 4, lower angle boss 15 and boss storage battery being installed to journal stirrup 16; Described down tube weld jig structure is for realizing the location to down tube 6 and two down tube covering installation journal stirrups 14; Described upper pipe weld jig structure is for realizing the location of the upper pipe storage battery of upper pipe 7, two being installed to journal stirrup 10 and a upper pipe covering installation journal stirrup 12 and upper angle boss 13; Described pedal installation component weld jig structure is for realizing the location to mounting pipe 18, pedal mounting pipe lateral connection sleeve 20, rear angle boss 19 and back foot peg 21 under mounting pipe on pedal 17, pedal.

Wherein, described front lower pipe weld jig structure comprises positioning component and front lower tube head positioning component in the middle part of front lower pipe afterbody positioning component, front lower pipe;

Described front lower pipe afterbody positioning component comprises the front lower pipe afterbody location standard square chest 23 of a rectangular body structure of entirety, the each side of standard square chest 23 is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures in described front lower pipe afterbody location, front lower pipe afterbody location standard square chest 23 is by being bolted on three-dimensional mounting platform 22, described front lower pipe afterbody positioning component also comprises one by being bolted to the front lower pipe afterbody locating piece 24 of front lower pipe afterbody location standard square chest upper surface, the outer one end of described front lower pipe afterbody locating piece 24 is vertically provided with the front lower pipe lateral connection sleeve positioning boss 25 with front lower pipe lateral connection barrel bore coupling, described lateral connection sleeve positioning boss 25 has been disposed adjacent a front lower pipe bottom fork axis installing plate linkage section positioning boss 26 by inner side, described front lower pipe bottom fork axis installing plate linkage section positioning boss 26 and the side that front lower pipe lateral connection sleeve positioning boss 25 is connected side are the arc corresponding consistent with front lower pipe bottom fork axis installing plate linkage section 3 leading flank arc and realize the location to front lower pipe bottom fork axis installing plate linkage section 3, described front lower pipe bottom fork axis installing plate linkage section positioning boss 26 upper surface is vertically provided with bottom fork axis installing plate locating hole 27 and for realizing location to bottom fork axis installing plate 4 by latch, journal stirrup locating hole 28 installed by the boss storage battery that described front lower pipe afterbody locating piece 24 is also provided with for realizing installing boss storage battery an earhole location of journal stirrup 16 by latch by inner one end,

Localization criteria support angle 29 in the middle part of the front lower pipe that in the middle part of front lower pipe, positioning component comprises a L-shaped structure of entirety, in the middle part of described front lower pipe, each side of localization criteria support angle 29 is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures, in the middle part of front lower pipe, localization criteria support angle 29 is by being bolted on three-dimensional mounting platform 22, locating piece 30 in the middle part of the front lower pipe that in the middle part of described front lower pipe, positioning component also comprises by being bolted in the middle part of front lower pipe on localization criteria support angle 29 side, in the middle part of described front lower pipe, locating piece 30 has an outward extending part of transverse horizontal and on the portion surface be provided with for realizing front lower pipe 1 medium position location front lower pipe in the middle part of locating slot 31,

Front lower tube head positioning component comprises the front lower tube head localization criteria support angle 32 of a L-shaped structure of entirety, each side is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures to described front lower tube head localization criteria support angle 32, front lower tube head localization criteria support angle 32 is by being bolted on three-dimensional mounting platform 22, described front lower tube head positioning component also comprises a front lower tube head locating piece 33 by being bolted on front lower tube head localization criteria support angle side, described front lower tube head locating piece 33 has an outward extending part of transverse horizontal and surface is provided with the front lower tube head locating slot 34 for realizing location, front lower tube head position on the portion.

Wherein, described down tube weld jig structure comprises down tube afterbody positioning component, down tube covering installs journal stirrup positioning component and the anterior locating piece 41 of down tube;

Described down tube afterbody positioning component, comprise the down tube afterbody localization criteria support angle 35 of a L-shaped structure of entirety, each side is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures to described down tube afterbody localization criteria support angle 35, down tube afterbody localization criteria support angle 35 is by being bolted on three-dimensional mounting platform 22, described down tube afterbody positioning component also comprises a down tube afterbody locating piece 36 by being bolted on down tube afterbody localization criteria support angle side, described down tube afterbody locating piece 36 has an outward extending part of transverse horizontal and on the portion surface be provided with for realize to down tube tail position location down tube afterbody locating slot 37,

Described down tube covering installs journal stirrup positioning component, the down tube covering comprising a rectangular body structure of entirety installs journal stirrup location standard square chest 38, described down tube covering is installed on each side of standard square chest 38, journal stirrup location and is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform 22 and array of apertures, down tube covering installs journal stirrup location standard square chest 38 by being bolted on three-dimensional mounting platform, described down tube covering is installed journal stirrup positioning component and is also comprised one is installed journal stirrup location standard square chest 38 upper surface down tube covering installation journal stirrup locating piece 39 by being bolted to down tube covering, described down tube covering installs journal stirrup locating piece 39 for realizing installing two down tube coverings the location of journal stirrup, described down tube covering installation journal stirrup locating piece is also vertically provided with two down tube coverings journal stirrup locating holes 40 are installed and to two down tube coverings, fixing of journal stirrups 14 are installed for realizing by latch,

The anterior locating piece 41 of described down tube is vertically fixedly connected in front lower pipe afterbody positioning component by bolt and is used as on standard square chest 23 side, front lower pipe afterbody location of brace foundation, and anterior locating piece 41 upper end of described down tube is provided with for realizing the anterior locating slot of the down tube of location, down tube forward position.

Wherein, described upper pipe weld jig structure comprises pipe afterbody positioning component, linkage section positioning component strengthened by upper pipe, journal stirrup positioning component installed by upper pipe storage battery, upper pipe covering installs journal stirrup positioning component and upper angle boss positioning component;

Described upper pipe afterbody positioning component, comprise the upper pipe afterbody localization criteria support angle 42 of a L-shaped structure of entirety, each side is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures to described upper pipe afterbody localization criteria support angle 42, upper pipe afterbody localization criteria support angle 42 is by being bolted on three-dimensional mounting platform 22, described upper pipe afterbody positioning component also comprises a upper pipe afterbody locating piece 43 by being bolted on upper pipe afterbody localization criteria support angle side, described upper pipe afterbody locating piece 43 has an outward extending part of transverse horizontal and surface is provided with the upper pipe afterbody locating slot 44 for realizing upper pipe tail position location on the portion,

Linkage section positioning component strengthened by described upper pipe, linkage section location standard square chest 45 strengthened by the upper pipe comprising a rectangular body structure of entirety, described upper pipe is strengthened each side of standard square chest 45, linkage section location is all furnished with some installing holes according to the spacing consistent with the installing hole on three-dimensional mounting platform and array of apertures, upper pipe strengthens linkage section location standard square chest 45 by being bolted on three-dimensional mounting platform 22, described upper pipe is strengthened linkage section positioning component and is also comprised two are strengthened linkage section location standard square chest 45 side surface upper pipes reinforcement linkage section locating piece 46 by being bolted to upper pipe, two upper pipes are strengthened linkage section locating piece 46 being forward provided with separately pipe and are strengthened linkage section locating slot 47, two upper pipes are strengthened linkage section locating slots and upper pipe and are strengthened the both sides obliquity form fit of linkage section 8 flexural center and correspondingly realize location,

Described upper pipe storage battery is installed journal stirrup positioning component and is comprised described two upper pipes reinforcement linkage section locating pieces 46, two are positioned in pipe reinforcement linkage section locating piece 46 pipe reinforcement linkage section locating slot inner side wall upper surface and are provided with the upper pipe storage battery installation journal stirrup detent 48 vertical with upper pipe reinforcement linkage section locating slot 47, journal stirrup detent 48 installed by upper pipe storage battery and corresponding upper pipe storage battery is installed journal stirrup form fit and locates for it, upper pipe storage battery is installed in journal stirrup detent 48 and is also provided with pipe storage battery installation journal stirrup locating hole 49 and installs the fixing of journal stirrup 10 for realizing by latch to upper pipe storage battery,

Described upper pipe covering installs journal stirrup positioning component, comprise a upper pipe covering strengthening standard square chest 45 side, linkage section location by being bolted to described upper pipe and journal stirrup locating piece 50 is installed, described upper pipe covering installs journal stirrup locating piece 50 for realizing installing upper pipe covering the location of journal stirrup 12, and described upper pipe covering is installed and journal stirrup locating piece 50 is also provided with a upper pipe covering is installed journal stirrup locating hole 51 and install the fixing of journal stirrup 12 for realizing by latch to upper pipe covering;

Described upper angle boss positioning component comprises described upper pipe covering and installs journal stirrup locating piece 50, described upper pipe covering installation journal stirrup locating piece 50 has the part for positioning upper angle boss being positioned at pipe and down tube angle, and is provided with a upper angle boss locating hole 52 on the portion and realizes fixing upper angle boss 13 by latch.

Wherein, described pedal installation component weld jig structure to comprise on a pedal under mounting pipe locating piece 53, pedal in this detailed description of the invention of mounting pipe locating piece 54(mounting pipe locating piece 54 and the anterior locating piece 41 of down tube under pedal and obtains for same component) and pedal upper and lower mounting pipe junction positioning component;

On described pedal, mounting pipe locating piece 53 is installed on standard square chest 38 sidewall of journal stirrup location by being bolted to the down tube covering installing journal stirrup installation foundation as down tube covering, mounting pipe locating slot on the pedal that on pedal, mounting pipe locating piece 53 upper end has for being located near position, down tube place mounting pipe on pedal 17;

Under described pedal, mounting pipe locating piece 54 is by being bolted on front lower pipe afterbody location standard square chest 23 sidewall as front lower pipe afterbody positioning component installation foundation, mounting pipe locating slot under the pedal that under described pedal, mounting pipe locating piece 54 upper end has for being located near front lower Guan Chu position mounting pipe under pedal;

Described pedal upper and lower mounting pipe junction positioning component, comprise one by being bolted to the pedal upper and lower mounting pipe junction locating piece 55 on three-dimensional mounting platform, the leg-of-mutton rear angle boss locating slot 56 of described pedal upper and lower mounting pipe junction locating piece 55 upper surface tool one, described rear angle boss locating slot 56 bottom land is for realizing the location to rear angle boss, described rear angle boss locating slot 56 both sides cell wall is for realizing the location outside to mounting pipe 18 coupling part two under mounting pipe on pedal 17 and pedal, described rear angle boss locating slot 56 angle is also provided with the pedal mounting pipe lateral connection sleeve positioning round table 57 for locating pedal mounting pipe lateral connection sleeve 20, described rear angle boss locating slot 56 corresponding side cell wall upper surface is also provided with the back foot peg locating slot 58 for locating back foot peg.

Claims

1. knight's car sample vehicle frame halfbody Combination Welding fixture, it is characterized in that, described knight's car sample vehicle frame halfbody combination, comprising an entirety is the front lower pipe that forward upward is obliquely installed, the head tube assembly linkage section for being connected with head tube assembly that after front lower pipe front end has one section of complications, forward upward angle of inclination diminishes, front lower pipe lower end bend forward forms the bottom fork axis installing plate linkage section that a section is protrusion arc backward, bottom fork axis installing plate linkage section is welded with forward bottom fork axis installing plate, front lower pipe lower end place also transverse weld is fixed with front lower pipe lateral connection sleeve, also comprise a down tube, down tube is in the overall straight tube-like be obliquely installed rearwardly and upwardly, and down tube lower end is fixedly connected on rear side of the bottom fork axis installing plate linkage section of front lower pipe lower end, and down tube upper end is connected with a upper pipe, upper pipe is overall in be horizontally disposed with and front end overlap joint is fixed on the head tube assembly linkage section of front lower pipe front end, in the middle part of upper pipe, level curves inwardly to be formed and strengthens linkage section, and upper pipe rear end has one section of end segment tilting to extend rearwardly and upwardly and end segment underside of forward surface and down tube upper end are fixed, wherein go up on pipe and be fixed with downward two of arranging upper pipe storage batterys installation journal stirrups and a upper pipe covering installation journal stirrup from front to back successively, between upper pipe and down tube, angle is connected with the upper angle boss of a band earhole, and in down tube, compartment of terrain is provided with two forward upward and installs journal stirrup to the down tube covering extended, between down tube and front lower pipe, angle is connected with the lower angle boss of band locating hole, lower angle boss is upwards welded with boss storage battery and installs journal stirrup, vehicle frame halfbody combining structure also comprises pedal installation component, pedal installation component comprises one end and is fixed on the down tube lower rearward side surface other end to mounting pipe on the extended pedal in the back lower place, also comprise one end and be fixed on mounting pipe under front lower pipe lower end rear side surface other end pedal extended rearwardly and upwardly, on pedal, mounting pipe and mounting pipe under pedal intersect and to be connected and angle is welded with one piece of leg-of-mutton rear angle boss, rear angle boss is used for transverse weld and fixes back foot journal stirrup, on pedal, under mounting pipe and pedal, outer end, mounting pipe junction is also laterally fixed with pedal mounting pipe lateral connection sleeve, upper pedal mounting pipe rear portion upper side is also fixedly connected with a leg-of-mutton back foot peg rearwardly and upwardly,

2. knight's car sample vehicle frame halfbody Combination Welding fixture as claimed in claim 1, it is characterized in that, described front lower pipe weld jig structure comprises positioning component and front lower tube head positioning component in the middle part of front lower pipe afterbody positioning component, front lower pipe;

3. knight's car sample vehicle frame halfbody Combination Welding fixture as claimed in claim 1, is characterized in that, described down tube weld jig structure comprises down tube afterbody positioning component, down tube covering installs journal stirrup positioning component and the anterior locating piece of down tube;

4. knight's car sample vehicle frame halfbody Combination Welding fixture as claimed in claim 1, it is characterized in that, described upper pipe weld jig structure comprises pipe afterbody positioning component, linkage section positioning component strengthened by upper pipe, journal stirrup positioning component installed by upper pipe storage battery, upper pipe covering installs journal stirrup positioning component and upper angle boss positioning component;

5. knight's car sample vehicle frame halfbody Combination Welding fixture as claimed in claim 1, it is characterized in that, described pedal installation component weld jig structure comprises mounting pipe locating piece on a pedal, mounting pipe locating piece and pedal upper and lower mounting pipe junction positioning component under a pedal;