CN205237379U

CN205237379U - Scooter is frame welding fixture for sample

Info

Publication number: CN205237379U
Application number: CN201520951976.7U
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: 2015-11-25
Filing date: 2015-11-25
Publication date: 2016-05-18
Anticipated expiration: 2025-11-25

Abstract

The utility model discloses a scooter is frame welding fixture for sample, a serial communication port, the three - dimensional installation platform of a plurality of mounting holes is all arranged according to the constant spacing array including upper surface and all side surfaces to and the anterior section fixed -position welding anchor clamps structure of the frame of setting on the three - dimensional installation platform, frame middle part section fixed -position welding anchor clamps structure and frame rear portion section fixed -position welding anchor clamps structure, the anterior section fixed -position welding anchor clamps structure of frame be used for realizing to head tube, the anterior section of underbeam pipe with and the location of going up attached member, a frame middle part section fixed -position welding anchor clamps structure be used for realizing to two anterior sections of pipe of putting the beams in place, two underbeams pipe middle part sections with and the location of going up attached member, frame rear portion section fixed -position welding anchor clamps structure be used for realizing to two put the beams in place pipe rear portion sections with and the location of going up attached member. The utility model discloses can simplify the solder mount process, have easy operation, low cost to can make things convenient for the advantages such as trial -production adjustment of scooter sample.

Description

A kind of scooter sample welding clamp of vehicle frame

Technical field

The utility model relates to frame of motorcycle manufacture field, relates to especially a kind of scooter sample welding clamp of vehicle frame.

Background technology

Scooter is a kind of vehicle between motorcycle and automobile, is a kind of popular vehicles. Scooter profile and size are similar with motorcycle, difference is to be provided with recessed confession between headstock and vehicle body seat shelves the pedal of driver's both feet, its transmission system generally adopts infinitely variable speeds, when driving, without gearshift, is particularly suitable for Ms and drives use. The same with motorcycle, scooter, in R&D process, also needs first to research and develop and designs sample product, tests detection, to ensure the dependable with function of final finished.

In the trendy scooter that is LF-125-T in a model, its main body of vehicle frame structure comprises the columniform head tube that is positioned at vehicle frame front end and is obliquely installed to back upper place, the left and right sides, head tube pipe trailing flank middle part is fixedly connected with respectively a lower beam pipe, lower beam pipe rear end is to the bending structure that upwards forms overall U-shaped again after downward-extension, main body of vehicle frame structure also comprises two upper beam pipes, upper beam pipe front end is fixedly connected on the middle part trailing flank of the anterior vertical section of lower beam pipe, upper beam pipe front waist section is and is horizontally disposed with and upper beam pipe medium position and lower beam pipe rear end join, upper beam pipe rear section is oblique extension to back upper place, two upper beam pipes are located to insert and be fixedly connected with as a whole and form vehicle frame afterbody by the tail pipe of overall U-shaped endways.

The trendy scooter frame of complete LF-125-T, on the basis of above-mentioned main body of vehicle frame structure, also need to be at ignition switch lock support of head tube upper end installed in front, at head tube upper end rear side, a meter housing support is installed, head tube involves face upper position and is fixedly connected with a radiator grille mounting pipe of extending to front lower place, radiator grille mounting pipe front end connects a radiator grille journal stirrup is installed, and head tube leading flank lower end is also fixedly installed a direction lock dog; Between two upper beam pipes, being positioned at front waist section rearward position is horizontally connected with successively from front to back entirety and raises up and be luggage case fore-stock and the luggage case lower carriage of U-shaped, outside, lower beam pipe middle part needs to install a pedal support, between two lower beam pipe rear portion lower end positions, also need laterally to connect a back rest pipe taking the shape of the letter U extending to the back lower place, between back rest pipe two support arms, medium position is laterally fixed with a rear beam pipe, and position, the back rest pipe rear lower left and right sides is fixedly connected with an engine suspension support separately backward; Centre position upwards, two lower beam pipe rear portions is also connected with the rear damping journal stirrup arranging backward, lower beam pipe rear end and outside, upper beam pipe joint are also fixedly connected with a upper beam pipe stiffener, and upper beam pipe stiffener lateral surface bottom is also outwards fixedly installed a cushion lock support; Upper beam pipe rear section centre position also each self-retaining, to being connected with a luggage case after-poppet, is horizontally connected with an entablature pipe between two upper beam pipes at luggage case after-poppet rear; Between two support arms of tail pipe medium position, be also horizontally connected with the seat cushion after-poppet that a middle part raises up, the tail pipe rear positions left and right sides is also fixedly connected with a back bar journal stirrup raising up, below the tail pipe of back bar journal stirrup place, be also fixedly connected with a hood downwards journal stirrup is installed, tail pipe rear end medium position is also fixedly installed the tail-hood support extending to back upper place.

Above-mentioned body frame structure for automotive, in the time that motorcycle research and development sample is produced, normally divides work step to complete successively each member in main body of vehicle frame and being welded and fixed one by one of each Accessory Members on it; Again each member of main body of vehicle frame is welded and fixed successively. Like this, exist operation various, complicated operation, the defect of high cost. Particularly, because sample production usually needs some Local Members installation sites and setting angle to adjust, each adjustment all adopts the weld jig of fixed structure to realize welding, has greatly increased cost, has restricted the expansion of sample research and development.

Utility model content

For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide one to simplify working process, make it simple to operate, and with low cost, and further can conveniently manufacture experimently the scooter sample welding clamp of vehicle frame of adjustment.

In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme: when relating to orientation in scheme and describing, install rear state describe benchmark as orientation taking it.

A kind of scooter sample welding clamp of vehicle frame, it is characterized in that, comprise that upper surface and all side surfaces all have the three-dimensional mounting platform of some installing holes according to constant spacing arranged in arrays, and be arranged on vehicle frame front waist section positioning welding clamp structure, vehicle frame middle part positioning welding clamp structure and vehicle frame rear section positioning welding clamp structure on three-dimensional mounting platform; Described vehicle frame front waist section positioning welding clamp structure is for realizing the location of head tube, ignition switch lock support, meter housing support, radiator grille mounting pipe, radiator grille being installed to journal stirrup, direction lock dog and lower beam pipe front waist section; Described vehicle frame middle part positioning welding clamp structure is for realizing the location to two upper beam pipe front waist section, luggage case fore-stock, luggage case lower carriage, two lower beam pipe middle parts, pedal support, back rest pipe, rear beam pipe, engine suspension support, rear damping journal stirrup, upper beam pipe stiffener and cushion lock supports; Described vehicle frame rear section positioning welding clamp structure is for realizing the location that two upper beam pipe rear section, luggage case after-poppet, entablature pipe, tail pipe, seat cushion after-poppet, back bar journal stirrup, hood are installed to journal stirrup and tail-hood support.

Like this, the weld jig of such scheme, can realize simultaneously to main body of vehicle frame front portion, middle part and rear portion with and the clamping location of upper each Accessory Members, behind location, can directly adopt welding gun to realize rapidly being welded and fixed between each member. Make that each member relative-position error is reliable and welding operation is convenient and swift, greatly provide cost savings.

As optimization, described vehicle frame front waist section positioning welding clamp structure comprises head tube positioning component, ignition switch lock support positioning component, meter housing support positioning component, radiator grille mounting pipe positioning component, radiator grille installation journal stirrup positioning component, direction lock dog positioning component and lower beam pipe front waist section positioning component;

Described head tube positioning component comprises the head tube location standard square chest of a rectangular body structure of entirety, described head tube location with on the each side of standard square chest all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, head tube is located with standard square chest by being bolted to leading flank medium position on three-dimensional mounting platform, described head tube location is fixedly installed a head tube location standard angle device with standard square chest upper end, described head tube location comprises fixed block and the moving block separately with a hinged end and a folding end with standard angle device, the hinged end of fixed block and moving block is rotatable hinged and be provided with the rotational angle alignment pin for realizing rotational angle location in hinged place, described fixed block with on moving block all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, described head tube location is arranged forward with the fixed block folding end of standard angle device and is horizontally fixed on head tube location by bolt and uses standard square chest upper end, described head tube location is upwards fixedly installed head tube positioning round table by the moving block upper surface middle part of standard angle device, on described head tube positioning round table diameter and head tube lower end external diameter coupling and head tube positioning round table axle center place are coaxial, be provided with the head tube locating dowel with head tube internal diameter coupling,

Described ignition switch lock support positioning component comprises the ignition switch lock support location support angle of a rectangular trapezium structure of entirety, described ignition switch lock support location with on each side of support angle all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, fit by support angle lower surface and locate the moving block upper surface upper position with standard angle device by being bolted to head tube in ignition switch lock support location, fire switch lock support location is right angle face and is set in parallel in head tube locating dowel anterior position with support angle trailing flank, ignition switch lock support location is fixedly installed a firing switch lock support positioning block with support angle trailing flank top, firing switch lock support positioning block rear end extands rearward to head tube locating dowel upper right face position and correspondence is provided with firing switch lock rack positioning hole, in firing switch lock rack positioning hole, be combined with ignition switch lock support alignment pin, ignition switch lock support alignment pin is realized the location to ignition switch lock support for the pilot hole and the firing switch lock rack positioning hole that insert on firing switch lock support,

Described meter housing support positioning component comprises the meter housing support piece that is located by connecting, meter housing support is located by connecting piece front end by being bolted on the support angle upper surface of ignition switch lock support location, the meter housing support piece rear end lower surface that is located by connecting is fixedly installed meter housing support positioning block, meter housing support positioning block has the meter housing support location division that extends downwardly into correspondence position outside the trailing flank of head tube locating dowel top, on meter housing support location division, correspondence is provided with meter housing rack positioning hole and is combined with meter housing support alignment pin, described meter housing support alignment pin is realized the location to meter housing support for the pilot hole inserting on meter housing rack positioning hole and meter housing support,

Described radiator grille mounting pipe positioning component comprises a radiator grille mounting pipe support angle, on the each side of described radiator grille mounting pipe support angle all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, radiator grille mounting pipe support angle has a vertical right flank arranging and fit in right flank bottom and be fixedly connected on described head tube location by bolt uses on the left surface of moving block of standard angle device, radiator grille mounting pipe support angle upper surface is fixedly installed a radiator grille mounting pipe location-plate, radiator grille mounting pipe location-plate left side extends to the top, moving block middle part of head tube location standard angle device to the right by being bolted to radiator grille mounting pipe support angle upper surface and right side, radiator grille mounting pipe location-plate is parallel to head tube location and is fixedly installed a radiator grille mounting pipe locating piece with the moving block upper surface setting of standard angle device and in radiator grille mounting pipe location-plate upper surface rear position, described radiator grille mounting pipe locating piece upper surface is the oblique radiator grille mounting pipe locating slot that is provided with to front lower place, radiator grille mounting pipe locating slot falls into and realizes location for radiator grille mounting pipe front waist section,

Described radiator grille is installed journal stirrup positioning component and is comprised a radiator grille installation journal stirrup locating piece that is fixed on radiator grille mounting pipe location-plate upper surface forward position and just radiator grille mounting pipe locating slot is being arranged, radiator grille is installed journal stirrup locating piece and is had the installation of the radiator grille to a back upper place projection journal stirrup location division, described radiator grille installation trailing flank lower end, journal stirrup location division is used for radiator grille mounting pipe front end butt spacing, and radiator grille is installed trailing flank top, journal stirrup location division for spacing with radiator grille installation journal stirrup leading flank butt;

Described direction lock dog positioning component comprises the direction lock dog locating piece of the head tube positioning round table anterior position of the moving block upper surface that is fixed on head tube location standard angle device, direction lock dog locating piece is just provided with direction lock dog locating slot to head tube positioning round table one side correspondence, and direction lock dog locating slot is for falling into for direction lock dog front end and to realize butt spacing;

Described lower beam pipe front waist section positioning component comprises that being fixedly installed on head tube locates a lower beam pipe front waist section locating piece with standard square chest trailing flank top, two ends, lower beam pipe front waist section locating piece left and right separately correspondence have convexed to form a lower beam pipe front waist section location division backward, and lower beam pipe front waist section location division trailing flank correspondence is provided with for lower beam pipe front waist section and falls into the lower beam pipe front waist section locating slot of realizing location.

Like this, when use, first adjust the head tube location angle of standard angle device and open up into required angle, and then head tube is inserted into and in head tube locating dowel, makes its lower end and location that head tube positioning round table butt supported and realized head tube; Ignition switch lock support left end is fitted in to right flank installation site, head tube upper end, and the pilot hole inserting on firing switch lock rack positioning hole and ignition switch lock support by ignition switch lock support alignment pin is realized the location to ignition switch lock support; Meter housing support front end is fitted on trailing flank installation site, head tube upper end, and the pilot hole inserting on meter housing rack positioning hole and meter housing support by meter housing support alignment pin is realized the location to meter housing support; Direction lock dog trailing flank is fitted in to installed in front position, head tube lower end, makes direction lock dog front end drop into the location of realization to direction lock dog in direction lock dog locating slot; Lower beam pipe front end is fitted to corresponding installation site, head tube middle part, the location that makes its lower beam pipe front waist section drop into lower beam pipe front waist section locating slot to realize the left and right directions to lower beam pipe front waist section; Behind lower beam pipe entirety location, can first adopt welding gun to complete being welded and fixed between head tube and lower beam pipe front end, ignition switch lock support, meter housing support and several persons of direction lock dog again; And then disassemble ignition switch lock support location support angle to avoid interference, again radiator grille mounting pipe rear end is fitted to the corresponding installation site of head tube top leading flank, radiator grille mounting pipe front waist section is dropped in radiator grille mounting pipe locating slot, make radiator grille mounting pipe front end abut to radiator grille and journal stirrup location division trailing flank lower end position is installed is realized completely spacing to radiator grille mounting pipe; Then radiator grille being installed to journal stirrup trailing flank is fitted on oriented radiator grille mounting pipe front end installation site, and make radiator grille install journal stirrup leading flank be connected to radiator grille install trailing flank top, journal stirrup location division realize spacing, then can adopt welding gun complete between radiator grille mounting pipe and head tube and radiator grille mounting pipe and radiator grille the welding between journal stirrup is installed; Complete the processing that is welded and fixed to scooter sample vehicle frame front waist section member. Make that each member relative-position error is reliable and welding operation is convenient and swift, provide cost savings. Simultaneously, realize and be connected and coordinate owing to having adopted between standard square chest, support angle, standard angle device and three-dimensional mounting platform and other non-standard align members, make each location structure can regulate as required flexibly and easily installation, make it be suitable for very much when sample trial-production need to be adjusted each component partial member position using, greatly saved R&D costs. Meanwhile, wherein the non-standard align member of part can be realized the location to multiple members simultaneously, and structure arranges ingenious and ensured the precision of mutual alignment. Particularly the mounting support of the align member to ignition switch lock support and meter housing support not only can be realized in ignition switch lock support location simultaneously by support angle, and can first use and disassemble afterwards to avoid to interfere the positioning and clamping welding completing again radiator grille mounting pipe, avoid mutual interference, greatly improved vehicle frame integral solder efficiency.

As optimization, described vehicle frame middle part positioning welding clamp structure comprises upper beam pipe front waist section positioning component, luggage case fore-stock positioning component, luggage case lower carriage positioning component, lower beam pipe middle part positioning component, pedal support positioning component, back rest pipe positioning component, rear beam pipe positioning component, engine suspension support positioning component, rear damping journal stirrup positioning component, upper beam pipe stiffener and cushion lock support positioning component;

Described upper beam pipe front waist section positioning component comprises two the first upper beam pipe front waist section location support angle that are symmetrical set in three-dimensional mounting platform upper surface front position, described the first upper beam pipe front waist section location with on the each side of support angle all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, fit and be fixedly connected on three-dimensional mounting platform by bolt with support angle lower surface in the first upper beam pipe front waist section location, two the first upper beam pipe front waist section location are greater than vehicle frame middle part transverse width dimension with left and right arrangement pitch between support angle, the first upper beam pipe front waist section location is vertical plane with support angle trailing flank and fixes and be connected with backward a second upper beam pipe front waist section location support angle on trailing flank top, described the second upper beam pipe front waist section location with on the each side of support angle all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, described the second upper beam pipe front waist section location has a vertical leading flank by support angle and is fixedly connected with by bolt with after the first upper beam pipe front waist section location support angle trailing flank laminating, described the second upper beam pipe front waist section location is horizontal surface and the upper beam pipe front waist section positioning support fagging that is fixedly connected with a horizontally disposed rectangular block shape at upper surface by bolt with support angle upper surface, the two ends, left and right of described upper beam pipe front waist section positioning support fagging upper surface forward position and the two ends, left and right of rear positions are respectively fixedly installed a upper beam pipe front waist section locating piece, upper beam pipe front waist section locating piece upper surface is provided with upper beam pipe front waist section locating slot and falls into and realize location for upper beam pipe front waist section,

Described luggage case fore-stock positioning component comprises the case holder location standard square chest of a rectangular body structure of entirety, described case holder location with on the each side of standard square chest all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, fit with standard square chest lower surface and by being bolted to described upper beam pipe front waist section positioning support fagging upper surface rear end medium position in case holder location, case holder location is with being fixed with a luggage case fore-stock locating piece for projection forward by bolt on standard square chest leading flank, luggage case fore-stock locating piece upper surface is horizontally arranged with a luggage case fore-stock locating slot, described luggage case fore-stock locating slot falls into laminating location for luggage case fore-stock middle part,

Described luggage case lower carriage positioning component comprises described case holder location standard square chest, also comprise by bolt and be fixedly installed on a luggage case lower carriage locating piece on the standard square chest trailing flank of case holder location, described luggage case lower carriage locating piece rear end upwarps and forms luggage case lower carriage location division, on described luggage case lower carriage location division, correspondence is provided with luggage case lower carriage locating hole and luggage case lower carriage alignment pin, described luggage case lower carriage location division lower surface is for realizing location with the laminating of luggage case lower carriage upper surface, and can lean on luggage case lower carriage alignment pin to realize the locking to luggage case lower carriage through the installing hole on luggage case lower carriage locating hole and luggage case lower carriage,

Described lower beam pipe middle part positioning component comprises the lower beam pipe middle part location standard square chest that is arranged at three-dimensional mounting platform upper surface and is positioned at two the first upper beam pipe front waist section location support angle rear adjacent medium positions, lower beam pipe middle part location with on the standard square chest rectangular body structure of entirety and each side all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, lower beam pipe middle part is located with fitting and by being bolted to three-dimensional mounting platform upper surface standard square chest bottom surface; Lower beam pipe middle part location is with being respectively fixedly installed a lower beam pipe middle part locating piece by bolt on the lateral surface of standard square chest left and right directions, and lower beam pipe middle part locating piece upper surface offers matchingly lower beam pipe middle part locating slot and falls into and realize location for lower beam pipe middle part along fore-and-aft direction;

Described pedal support positioning component comprises that two entirety are on rectangular body structure and each side all the pedal support location standard square chest that is furnished with some installing holes according to the spacing consistent with installing hole on three-dimensional mounting platform and array of apertures, fit with standard square chest lower surface and locate the outer fix with standard square chest left and right directions by being bolted to three-dimensional mounting platform upper surface and being symmetrically arranged in lower beam pipe middle part in described pedal support location, described pedal support location is provided with a pedal support location standard angle device with standard square chest upper surface, described pedal support location comprises fixed block and the moving block separately with a hinged end and a folding end with standard angle device, the hinged end of fixed block and moving block is rotatable hinged and be provided with the rotational angle alignment pin for realizing rotational angle location in hinged place, described fixed block with on moving block all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, described pedal support location is arranged backward with the fixed block folding end of standard angle device and is horizontally fixed on pedal support location standard square chest upper surface by bolt, described pedal support is located on the moving block upper surface with standard angle device and is fixedly connected with pedal support locating piece, described pedal support locating piece the inner extends inwardly to lower beam pipe middle part locating piece top position and on this end, is vertically provided with pedal support locating hole and is combined with pedal support alignment pin, described pedal support alignment pin is realized the location to pedal support for the pilot hole inserting on pedal support locating hole and pedal support,

Described back rest pipe positioning component comprises a back rest pipe locating piece that is positioned at three-dimensional mounting platform upper surface lower beam pipe middle part location middle part, standard square chest rear correspondence position, back rest pipe locating piece lower end have horizontal evagination installation journal stirrup and laminating after by being bolted on three-dimensional mounting platform, back rest pipe locating piece upper end have horizontally set back rest pipe locating slot and for back rest pipe posterior end fall into realize locate;

Described rear beam pipe positioning component comprises the rear beam pipe location standard square chest of a rectangular body structure of entirety, described rear beam pipe location with on the each side of standard square chest all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, fit with standard square chest lower surface and by being bolted to three-dimensional mounting platform upper surface and locating between use standard square chest and back rest pipe locating piece at lower beam pipe middle part in described rear beam pipe location, rear beam pipe location is fixedly installed a rear beam pipe locating piece with standard square chest trailing flank middle part by bolt, rear beam pipe locating piece upper end is horizontally arranged with a rear beam pipe locating slot and falls into location for rear beam pipe,

Described engine suspension support positioning component comprises the vehicle frame postmedian annex location standard square chest of a rectangular body structure of entirety, described vehicle frame postmedian annex location with on the each side of standard square chest all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, fit with standard square chest lower surface and by being bolted to three-dimensional mounting platform upper surface back rest pipe locating piece rear adjacent in described vehicle frame postmedian annex location, vehicle frame postmedian annex location is fixed with an engine suspension support locating piece by bolt separately with standard square chest left and right sides lower position, engine suspension support locating piece front end extends vehicle frame postmedian annex location with standard square chest and is horizontally arranged with engine suspension support locating hole, in engine suspension support locating hole, be combined with engine suspension support alignment pin and realize the location to engine suspension support for the pilot hole inserting on engine suspension support,

Described upper beam pipe stiffener and cushion lock support positioning component comprise two upper beam pipe stiffener location support angle that are horizontally installed on vehicle frame postmedian annex location standard square chest left and right sides medium position, upper beam pipe stiffener location with on the each side of support angle all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, upper beam pipe stiffener location is perpendicular with support angle inner end and fits to vehicle frame postmedian annex and locate with fixing by bolt after standard square chest left and right sides, upper beam pipe stiffener location is that horizontal surface and upper surface inner end portion are for realizing the location to upper beam pipe stiffener with upper beam pipe stiffener lower surface butt with support angle upper surface, described upper beam pipe stiffener location is fixedly installed a cushion lock support positioning block by support angle upper surface outer end position, described cushion lock support positioning block inner end upper surface is for laminating realizes the location to cushion lock support with cushion lock support lower surface, described cushion lock support positioning block inner end also has the cushion lock rack positioning hole of vertical setting and is combined with cushion lock support alignment pin, cushion lock support alignment pin is realized the locking to cushion lock support for the pilot hole inserting on cushion lock rack positioning hole and cushion lock support,

Damping journal stirrup locating piece after described rear damping journal stirrup positioning component comprises two, both sides, described rear damping journal stirrup locating piece rear end have laterally extending fixed part, on fixed part, be provided with installing hole and use on support angle leading flank by being bolted to described upper beam pipe stiffener location, rear damping journal stirrup locating piece front end extends to forward corresponding rear damping journal stirrup position and damping journal stirrup locating hole after the horizontal correspondence of front end is provided with, in rear damping journal stirrup locating hole, laterally run through and be combined with rear damping journal stirrup locating shaft, described rear damping journal stirrup locating shaft is for realizing the location to rear damping journal stirrup through the earhole on rear damping journal stirrup locating hole and rear damping journal stirrup.

Like this, when use, first disassemble upper beam pipe front waist section positioning support fagging to avoid interference, then lower beam pipe front end is fitted to behind installation site, oriented head tube both sides, make lower beam pipe middle part drop into the location of realization to lower beam pipe in lower beam pipe middle part locating slot, regulate the pedal support location opening angle of standard angle device to make the moving block upper surface angle of inclination of pedal support location standard angle device consistent with pedal support upper surface angle of inclination, installation end inside pedal support is fitted on lower beam pipe on corresponding installation site, then the pilot hole inserting on pedal support locating hole and pedal support by pedal support alignment pin is realized the location to pedal support, the laminating of back rest pipe front end is abutted to the corresponding installation site of lower beam pipe rear lower, back rest pipe posterior end is dropped in back rest pipe locating slot and realize and locating, rear beam pipe middle part is placed in rear beam pipe locating slot and makes its two ends installed position between back rest pipe two support arms, realize the location to rear beam pipe, engine suspension support front end junction is connected to installation site on back rest pipe, and the pilot hole inserting on engine suspension support by engine suspension support alignment pin is realized the location to engine suspension support, rear damping journal stirrup front end fitted and abut on corresponding installation site, lower beam pipe rear portion, realizing the location to rear damping journal stirrup by rear damping journal stirrup locating shaft through the earhole on rear damping journal stirrup locating hole and rear damping journal stirrup, install again upper beam pipe front waist section positioning support fagging, upper beam pipe front end is abutted on the corresponding installation site of lower beam pipe front waist section, make upper beam pipe front waist section drop into the location of realization to upper beam pipe front waist section in upper beam pipe front waist section locating slot, luggage case fore-stock upper end dropped in luggage case fore-stock locating slot and make its lower end fit to upper beam pipe front waist section upper surface installation site, realizing the location to luggage case fore-stock, again luggage case lower carriage lower end fitted to upper beam pipe front waist section upper surface installation site and make luggage case lower carriage upper surface be pressed to luggage case lower carriage location division lower surface by laminating, realize the locking to luggage case lower carriage by luggage case lower carriage alignment pin through the installing hole on luggage case lower carriage locating hole and luggage case lower carriage again, be applied to successively upper beam pipe front waist section downwards by the thrust of luggage case lower carriage simultaneously, lower beam pipe, on back rest pipe and engine suspension support, and realized upper beam pipe front waist section simultaneously, lower beam pipe, compression behind back rest pipe and engine suspension support location, again the upper end side of upper beam pipe stiffener is fitted to corresponding installation site outside lower beam pipe and upper beam pipe junction, make upper beam pipe stiffener lower surface abut to upper beam pipe stiffener location and realize the location to upper beam pipe stiffener with position, support angle upper surface inner end, again cushion lock support lower surface is fitted to cushion lock support positioning block inner end upper surface and the inboard face of cushion lock support is fitted on the corresponding installation site of upper beam pipe stiffener lateral surface, the pilot hole that seat pad lock support alignment pin inserts on cushion lock rack positioning hole and cushion lock support is again realized location the locking to cushion lock support, the locking positioning of seat pad lock support is realized the location completely to upper beam pipe stiffener simultaneously, then being welded and fixed between each member after adopting the disposable realization of welding gun to above-mentioned location, completes the processing that is welded and fixed to the each member of scooter sample vehicle frame middle part. make that each member relative-position error is reliable and welding operation is convenient and swift, provide cost savings. simultaneously, realize and be connected and coordinate owing to having adopted between standard square chest, support angle, standard angle device and three-dimensional mounting platform and other non-standard align members, make each location structure can regulate as required flexibly and easily installation, make it be suitable for very much when sample trial-production need to be adjusted each component partial member position using, greatly saved R&D costs. meanwhile, wherein the non-standard align member of part can be realized the location to multiple members simultaneously, and structure arranges ingenious and ensured the precision of mutual alignment. particularly will realize upper beam pipe front waist section, the positioning component structure of the location of luggage case fore-stock and luggage case after-poppet is all arranged on the upper beam pipe front waist section positioning support fagging of a supported on both sides, then upper beam pipe front waist section positioning support fagging is detachably arranged, make first to disassemble upper beam pipe front waist section positioning support fagging to complete the clamping location that installs again upper beam pipe front waist section positioning support fagging behind the clamping location of lower component and completed top member, so just avoid clamping to interfere to guarantee disposable more multimember clamping that completes, greatly improve efficiency. simultaneously, luggage case lower carriage positioning component is designed to the installation way structure that press-down type is fixed and locked, can lean on luggage case lower carriage positioning component that the downforce of luggage case lower carriage is applied to successively on the each member in below and has been realized the compression after the each member clamping in below, improve the reliability of clamping, ensured the welding precision of follow-up welding.

As optimization, described vehicle frame rear section positioning welding clamp structure comprises upper beam pipe rear section positioning component, luggage case after-poppet positioning component, entablature pipe positioning component, tail pipe positioning component, seat cushion after-poppet positioning component, back bar journal stirrup positioning component, hood installation journal stirrup positioning component and tail-hood support positioning component;

Described upper beam pipe rear section positioning component comprises that two are symmetrical set in the vehicle frame rear section annex location of three-dimensional mounting platform upper surface back-end location support angle, described vehicle frame rear section annex location with on the each side of support angle all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, fit and be fixedly connected on three-dimensional mounting platform by bolt with support angle lower surface in vehicle frame rear section annex location, vehicle frame rear section annex location is the vertical installed surface arranging with support angle leading flank and is respectively provided with a upper beam pipe rear section location standard angle device on this leading flank top, described upper beam pipe rear section location comprises fixed block and the moving block separately with a hinged end and a folding end with standard angle device, the hinged end of fixed block and moving block is rotatable hinged and be provided with the rotational angle alignment pin for realizing rotational angle location in hinged place, described fixed block with on moving block all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, described upper beam pipe rear section location is arranged downwards with the fixed block folding end of standard angle device and is vertically fixed on vehicle frame rear section annex location support angle leading flank upper position by bolt, described upper beam pipe rear section location is set in parallel in upper frame rail pipe rear section below with the moving block of standard angle device, two upper beam pipe rear section are located between the front upper side of moving block with standard angle device and are laterally fixedly installed a upper beam pipe rear section location-plate, on upper beam pipe rear section location-plate according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, the left and right sides, the front upper side of upper beam pipe rear section location-plate correspondence is fixedly installed a upper beam pipe rear section locating piece, on described upper beam pipe rear section locating piece, be provided with upper beam pipe rear section locating slot and fall into location for upper beam pipe rear section along fore-and-aft direction correspondence,

Described luggage case after-poppet positioning component comprises two luggage case after-poppet location support angle that are symmetrical set on the upper beam pipe rear section location-plate of two upper beam pipe rear section locating piece inner sides, described luggage case after-poppet location with on the each side of support angle all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, fit and be fixedly connected on upper beam pipe rear section location-plate by bolt with support angle lower surface in described luggage case after-poppet location, two luggage case after-poppet location are vertical installed surface and are fixed with a luggage case after-poppet locating piece by bolt separately on this outer surface top with support angle outer surface, luggage case after-poppet locating piece has the luggage case after-poppet location division obtaining that laterally stretches out, luggage case after-poppet location division lower surface is for realizing spacing to the compression of luggage case after-poppet with the laminating of luggage case after-poppet upper surface, on luggage case after-poppet location division, also there is the luggage case after-poppet locating hole of vertical setting and be combined with luggage case after-poppet alignment pin, described luggage case after-poppet alignment pin is realized luggage case after-poppet is located for the pilot hole through luggage case after-poppet locating hole and luggage case after-poppet upper end,

Described entablature pipe positioning component comprises that being fixed on two luggage case after-poppets locates with the entablature pipe locating piece on the upper beam pipe rear section location-plate at middle part, support angle rear, described entablature pipe locating piece correspondence position has the entablature pipe location division of epirelief, upper end, entablature pipe location division there is the entablature pipe locating slot of horizontally set and keep supplying beam pipe fall into realize location;

Described tail pipe positioning component comprises a rectangular body structure of entirety and is horizontally installed on two tail pipe location standard square chests on the support angle upper end face of vehicle frame rear section annex location, tail pipe location with on the each side of standard square chest all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, tail pipe location overlaps with the laminating of standard square chest lower surface two ends and locates and use support angle upper end faces by being bolted to two vehicle frame rear section annexes, tail pipe location is with being vertically provided with the tail pipe plate that is located by connecting on standard square chest trailing flank, tail pipe is located by connecting to run through on plate front and back sides and is provided with some installing holes of arranging according to the spacing consistent with installing hole on three-dimensional mounting platform and array of apertures, the be located by connecting rectangular platy structure of slab integral and top of tail pipe upwards exceeds tail pipe location with standard square chest upper surface position, the tail pipe plate trailing flank upper center position that is located by connecting is fixedly installed a tail pipe locating piece, tail pipe locating piece upper end has one and extends be forward the located by connecting tail pipe location division of plate of tail pipe, tail pipe location division upper surface correspondence is horizontally arranged with a tail pipe locating slot and falls into and realize location for tail pipe,

Described seat cushion after-poppet positioning component comprises vertical a setting and the L-shaped tabular seat cushion after-poppet location support angle of entirety, seat cushion after-poppet location leans on bolt to be vertically fixed on the be located by connecting side on plate leading flank top of tail pipe with support angle lower end, seat cushion after-poppet location extends horizontally to tail pipe with support angle upper end and is located by connecting above plate medium position and on this end leading flank, is fixedly connected with a seat cushion after-poppet location-plate, seat cushion after-poppet location-plate upper back vertically arranges and fits rear by being bolted to seat cushion after-poppet location with on the leading flank of support angle upper end, seat cushion after-poppet location-plate front end extends and forms in end the seat cushion after-poppet location division of lower surface for fitting spacing for seat cushion after-poppet upper surface to front lower place, on described seat cushion after-poppet location division, also correspondence is provided with seat cushion after-poppet locating hole and is combined with seat cushion after-poppet alignment pin, described seat cushion after-poppet alignment pin is for realizing the location to seat cushion after-poppet through the pilot hole on seat cushion after-poppet locating hole and seat cushion after-poppet,

Described back bar journal stirrup positioning component comprises that two of being symmetrically arranged are vertically arranged at the be located by connecting back bar journal stirrup location-plate of the tail pipe locating piece left and right sides of plate trailing flank of tail pipe, back bar journal stirrup location-plate lower end is located by connecting on plate by being bolted to tail pipe, back bar journal stirrup location-plate upper end exceeds tail pipe locating piece position and on leading flank, is fixedly installed a back bar journal stirrup locating piece, back bar journal stirrup locating piece has a back bar journal stirrup location division of extending forward, back bar journal stirrup location division lower surface is for laminating realizes spacing with back bar journal stirrup upper surface, on back bar journal stirrup location division, be also vertically provided with back bar journal stirrup locating hole and be combined with back bar journal stirrup alignment pin, back bar journal stirrup alignment pin is realized the location to back bar journal stirrup for the earhole inserting on back bar journal stirrup locating hole and back bar journal stirrup,

Hood is installed journal stirrup positioning component and is comprised two hoods installation journal stirrup locating pieces that are symmetrically arranged, hood is installed journal stirrup locating piece and is fixed on the tail pipe plate leading flank left and right sides that is located by connecting, hood is installed journal stirrup locating piece and is had a columniform hood installation journal stirrup positioning boss that extends forward projection, and hood installation journal stirrup positioning boss is installed the location of earhole realization to hood installation journal stirrup of journal stirrup for inserting hood;

Described tail-hood support positioning component comprises a tail-hood support positioning block, tail-hood support positioning block lower end is fixed on described tail pipe locating piece outer surface, tail-hood support positioning block upper surface is for laminating realizes spacing with tail-hood support rear portion lower surface, tail-hood support positioning block upper surface middle part is also vertically provided with tail-hood rack positioning hole and is combined with tail-hood support alignment pin, and tail-hood support alignment pin is realized spacing to tail-hood support for inserting pilot hole on tail-hood support and tail-hood rack positioning hole.

Like this, when use, first regulate the upper beam pipe rear section location angle of standard angle device and make the moving block upper surface of upper beam pipe rear section location standard angle device parallel with upper frame rail pipe rear section, then upper beam pipe rear section correspondence is dropped into the location of realization to upper beam pipe rear section in the upper beam pipe rear section locating slot on upper beam pipe rear section locating piece; The laminating of luggage case after-poppet lower end is abutted on the corresponding installation site of upper beam pipe rear section upper surface, and make luggage case after-poppet upper surface be fitted and compress spacing by luggage case after-poppet location division lower surface, realize luggage case after-poppet is located and locked through the pilot hole of luggage case after-poppet locating hole and luggage case after-poppet upper end by luggage case after-poppet alignment pin again, by luggage case after-poppet location division, the thrust of luggage case after-poppet is delivered to the compression of realization to upper beam pipe rear section in upper beam pipe rear section simultaneously; Entablature pipe middle part is dropped in entablature pipe locating slot and its two ends are aimed at and abut to corresponding installation site in upper beam pipe rear section, the location of realization to entablature pipe; The two ends in tail pipe front are inserted into two upper beam pipe rear ends and make middle part, tail pipe rear end drop into the location of realization to tail pipe in tail pipe locating slot; By corresponding installation site laminating on seat cushion after-poppet lower end and tail pipe, and fitted in seat cushion after-poppet upper end and be pressed to seat cushion after-poppet location-plate front end lower surface, adopt seat cushion after-poppet alignment pin to realize location the compression to seat cushion after-poppet through the pilot hole on seat cushion after-poppet locating hole and seat cushion after-poppet, seat pad after-poppet location-plate is delivered to the compression of realization to tail pipe on tail pipe to the thrust of seat cushion after-poppet simultaneously again; Again back bar journal stirrup lower end is fitted in to corresponding installation site on tail pipe, an earhole that adopts back bar journal stirrup alignment pin to insert on back bar journal stirrup locating hole and back bar journal stirrup is realized the location to back bar journal stirrup; Hood is installed to corresponding installation site laminating on journal stirrup upper end and tail pipe, and the journal stirrup hole of hood installation journal stirrup lower end is nested on hood installation journal stirrup positioning boss, realize the location of hood being installed to journal stirrup; Fitted in front tail-hood support lower end again and abut on the corresponding installation site of tail pipe upper rear end, upper end laminating after tail pipe support is supported to tail-hood support positioning block upper surface, then the pilot hole and the tail-hood rack positioning hole that insert on tail-hood support by tail-hood support alignment pin are realized the location to tail-hood support; Then being welded and fixed between each member after adopting the disposable realization of welding gun to above-mentioned location, completes the processing that is welded and fixed to the each member of scooter sample vehicle frame rear section. Make that each member relative-position error is reliable and welding operation is convenient and swift, provide cost savings. Simultaneously, realize and be connected and coordinate owing to having adopted between standard square chest, support angle, standard angle device and three-dimensional mounting platform and other non-standard align members, make each location structure can regulate as required flexibly and easily installation, make it be suitable for very much when sample trial-production need to be adjusted each component partial member position using, greatly saved R&D costs. Meanwhile, wherein the non-standard align member of part can be realized the location to multiple members simultaneously, and structure arranges ingenious and ensured the precision of mutual alignment. Particularly luggage case after-poppet positioning component and seat cushion after-poppet positioning component are all designed to the installation way structure of the spacing and locking positioning of press-down type, can lean on luggage case after-poppet positioning component to realize the compression to upper beam pipe rear section to the downforce of luggage case after-poppet simultaneously, seat pad after-poppet positioning component is realized the compression to tail pipe to the downforce of seat cushion after-poppet simultaneously, so just adopt simple structure to improve the reliability and stability of overall clamping, improved clamping efficiency and ensured the welding precision of follow-up welding.

In sum, the utility model can be simplified assemble welding operation, has simple to operately, with low cost, and can facilitate the advantages such as the trial-production adjustment of scooter sample.

Brief description of the drawings

Fig. 1 is the front view of the optimum embodiment of the utility model.

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

Fig. 3 is the front view of Fig. 1 while using.

Fig. 4 is the top view of Fig. 3.

Detailed description of the invention

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

Optimum embodiment: as Figure 1-4, a kind of scooter welding clamp of vehicle frame (scooter that is LF-125-T for model) for sample, comprise that upper surface and all side surfaces all have the three-dimensional mounting platform 1 of some installing holes according to constant spacing arranged in arrays, and be arranged on vehicle frame front waist section positioning welding clamp structure, vehicle frame middle part positioning welding clamp structure and vehicle frame rear section positioning welding clamp structure on three-dimensional mounting platform 1; Described vehicle frame front waist section positioning welding clamp structure is for realizing the location of head tube 2, ignition switch lock support 3, meter housing support 4, radiator grille mounting pipe 5, radiator grille being installed to journal stirrup 6, direction lock dog 7 and lower beam pipe front waist section 8; Described vehicle frame middle part positioning welding clamp structure is for realizing the location to two upper beam pipe front waist section 9, luggage case fore-stock 10, luggage case lower carriage 11, two lower beam pipe middle parts 12, pedal support 13, back rest pipe 14, rear beam pipe 15, engine suspension support 16, rear damping journal stirrup 17, upper beam pipe stiffener 18 and cushion lock supports 19; Described vehicle frame rear section positioning welding clamp structure is for realizing the location that two upper beam pipe rear section 20, luggage case after-poppet 21, entablature pipe 22, tail pipe 23, seat cushion after-poppet 24, back bar journal stirrup 25, hood are installed to journal stirrup 26 and tail-hood support 27.

Wherein, described vehicle frame front waist section positioning welding clamp structure comprises head tube positioning component, ignition switch lock support positioning component, meter housing support positioning component, radiator grille mounting pipe positioning component, radiator grille installation journal stirrup positioning component, direction lock dog positioning component and lower beam pipe front waist section positioning component;

Described head tube positioning component comprises the head tube location standard square chest 28 of a rectangular body structure of entirety, described head tube location with on the each side of standard square chest 28 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, head tube is located with standard square chest 28 by being bolted to leading flank medium position on three-dimensional mounting platform 1; described head tube location is fixedly installed a head tube location standard angle device 29 with standard square chest 28 upper ends, described head tube location comprises fixed block and the moving block separately with a hinged end and a folding end with standard angle device 29, the hinged end of fixed block and moving block is rotatable hinged and be provided with the rotational angle alignment pin for realizing rotational angle location in hinged place, described fixed block with on moving block all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, described head tube location is arranged forward with the fixed block folding end of standard angle device 29 and is horizontally fixed on head tube location by bolt and uses standard square chest 28 upper ends, described head tube location is upwards fixedly installed head tube positioning round table 30 by the moving block upper surface middle part of standard angle device 29, on described head tube positioning round table 30 diameters and head tube 2 lower end external diameter couplings and head tube positioning round table axle center place are coaxial, be provided with the head tube locating dowel 31 with head tube 2 internal diameter couplings,

Described ignition switch lock support positioning component comprises the ignition switch lock support location support angle 32 of a rectangular trapezium structure of entirety, described ignition switch lock support location with on each side of support angle 32 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, fit by support angle 32 lower surface and locate the moving block upper surface upper position with standard angle device 29 by being bolted to head tube in ignition switch lock support location, fire switch lock support location is right angle face and is set in parallel in head tube locating dowel 31 anterior position with support angle 32 trailing flanks, ignition switch lock support location is fixedly installed a firing switch lock support positioning block 33 with support angle 32 trailing flank tops, firing switch lock support positioning block 33 rear ends extand rearward to head tube locating dowel upper right face position and correspondence is provided with firing switch lock rack positioning hole, in firing switch lock rack positioning hole, be combined with ignition switch lock support alignment pin, ignition switch lock support alignment pin is realized the location to ignition switch lock support 3 for the pilot hole and the firing switch lock rack positioning hole that insert on firing switch lock support,

Described meter housing support positioning component comprises the meter housing support piece 34 that is located by connecting, meter housing support is located by connecting piece 34 front ends by being bolted on support angle 32 upper surfaces of ignition switch lock support location, the meter housing support piece 34 rear end lower surfaces that are located by connecting are fixedly installed meter housing support positioning block 35, meter housing support positioning block 35 has the meter housing support location division that extends downwardly into correspondence position outside the trailing flank of head tube locating dowel top, on meter housing support location division, correspondence is provided with meter housing rack positioning hole and is combined with meter housing support alignment pin, described meter housing support alignment pin is realized the location to meter housing support 4 for the pilot hole inserting on meter housing rack positioning hole and meter housing support 4,

Described radiator grille mounting pipe positioning component comprises a radiator grille mounting pipe support angle 36, on described radiator grille mounting pipe support angle 36 each sides all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, radiator grille mounting pipe support angle 36 has a vertical right flank arranging and fit in right flank bottom and be fixedly connected on described head tube location by bolt uses on the left surface of moving block of standard angle device 29, radiator grille mounting pipe support angle 36 upper surfaces are fixedly installed a radiator grille mounting pipe location-plate 37, radiator grille mounting pipe location-plate 37 left sides extend to the top, moving block middle part of head tube location standard angle device 29 to the right by being bolted to radiator grille mounting pipe support angle upper surface and right side, radiator grille mounting pipe location-plate 37 is parallel to head tube location and is fixedly installed a radiator grille mounting pipe locating piece 38 with the moving block upper surface setting of standard angle device 29 and in radiator grille mounting pipe location-plate 37 upper surface rear positions, described radiator grille mounting pipe locating piece 38 upper surfaces are the oblique radiator grille mounting pipe locating slot that is provided with to front lower place, radiator grille mounting pipe locating slot falls into and realizes location for radiator grille mounting pipe 5 front waist section,

Described radiator grille is installed journal stirrup positioning component and is comprised a radiator grille installation journal stirrup locating piece 39 that is fixed on radiator grille mounting pipe location-plate 37 upper surface forward positions and just radiator grille mounting pipe locating slot is being arranged, radiator grille is installed journal stirrup locating piece 39 and is had the installation of the radiator grille to a back upper place projection journal stirrup location division, described radiator grille installation trailing flank lower end, journal stirrup location division is used for radiator grille mounting pipe 5 front end butts spacing, and radiator grille is installed trailing flank top, journal stirrup location division for spacing with radiator grille installation journal stirrup 6 leading flank butts;

Described direction lock dog positioning component comprises the direction lock dog locating piece 40 of head tube positioning round table 30 anterior position of the moving block upper surface that is fixed on head tube location standard angle device 29, direction lock dog locating piece 40 is just provided with direction lock dog locating slot to head tube positioning round table 30 1 side correspondences, and direction lock dog locating slot is for falling into for direction lock dog 7 front ends and to realize butt spacing;

Described lower beam pipe front waist section positioning component comprises that being fixedly installed on head tube locates a lower beam pipe front waist section locating piece 41 with standard square chest 28 trailing flank tops, lower beam pipe front waist section locating piece 41 two ends, left and right separately correspondence have convexed to form a lower beam pipe front waist section location division backward, and lower beam pipe front waist section location division trailing flank correspondence is provided with for lower beam pipe front waist section 8 and falls into the lower beam pipe front waist section locating slot of realizing location.

Like this, when use, first adjust the head tube location angle of standard angle device and open up into required angle, and then head tube is inserted into and in head tube locating dowel, makes its lower end and location that head tube positioning round table butt supported and realized head tube; Ignition switch lock support left end is fitted in to right flank installation site, head tube upper end, and the pilot hole inserting on firing switch lock rack positioning hole and ignition switch lock support by ignition switch lock support alignment pin is realized the location to ignition switch lock support; Meter housing support front end is fitted on trailing flank installation site, head tube upper end, and the pilot hole inserting on meter housing rack positioning hole and meter housing support by meter housing support alignment pin is realized the location to meter housing support; Direction lock dog trailing flank is fitted in to installed in front position, head tube lower end, makes direction lock dog front end drop into the location of realization to direction lock dog in direction lock dog locating slot; Lower beam pipe front end is fitted to corresponding installation site, head tube middle part, the location that makes its lower beam pipe front waist section drop into lower beam pipe front waist section locating slot to realize the left and right directions to lower beam pipe front waist section; Behind lower beam pipe entirety location, can first adopt welding gun to complete being welded and fixed between head tube and lower beam pipe front end, ignition switch lock support, meter housing support and several persons of direction lock dog again; And then disassemble ignition switch lock support location support angle to avoid interference, again radiator grille mounting pipe rear end is fitted to the corresponding installation site of head tube top leading flank, radiator grille mounting pipe front waist section is dropped in radiator grille mounting pipe locating slot, make radiator grille mounting pipe front end abut to radiator grille and journal stirrup location division trailing flank lower end position is installed is realized completely spacing to radiator grille mounting pipe; Then radiator grille being installed to journal stirrup trailing flank is fitted on oriented radiator grille mounting pipe front end installation site, and make radiator grille install journal stirrup leading flank be connected to radiator grille install trailing flank top, journal stirrup location division realize spacing, then can adopt welding gun complete between radiator grille mounting pipe and head tube and radiator grille mounting pipe and radiator grille the welding between journal stirrup is installed; Complete the processing that is welded and fixed to scooter sample vehicle frame front waist section member. Make that each member relative-position error is reliable and welding operation is convenient and swift, provide cost savings. Simultaneously, realize and be connected and coordinate owing to having adopted between standard square chest, support angle, standard angle device and three-dimensional mounting platform and other non-standard align members, make each location structure can regulate as required flexibly and easily installation, make it be suitable for very much when sample trial-production need to be adjusted each component partial member position using, R&D costs are greatly saved (while specifically enforcement, described each standard element self is prior art and belongs to the product of can direct market buying, therefore concrete structure is not open in detail in an embodiment). Meanwhile, wherein the non-standard align member of part can be realized the location to multiple members simultaneously, and structure arranges ingenious and ensured the precision of mutual alignment. Particularly the mounting support of the align member to ignition switch lock support and meter housing support not only can be realized in ignition switch lock support location simultaneously by support angle, and can first use and disassemble afterwards to avoid to interfere the positioning and clamping welding completing again radiator grille mounting pipe, avoid mutual interference, greatly improved vehicle frame integral solder efficiency.

Wherein, described vehicle frame middle part positioning welding clamp structure comprises upper beam pipe front waist section positioning component, luggage case fore-stock positioning component, luggage case lower carriage positioning component, lower beam pipe middle part positioning component, pedal support positioning component, back rest pipe positioning component, rear beam pipe positioning component, engine suspension support positioning component, rear damping journal stirrup positioning component, upper beam pipe stiffener and cushion lock support positioning component;

Described upper beam pipe front waist section positioning component comprises two the first upper beam pipe front waist section location support angle 42 that are symmetrical set in three-dimensional mounting platform 1 upper surface front position, described the first upper beam pipe front waist section location with on the each side of support angle 42 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, fit and be fixedly connected on three-dimensional mounting platform 1 by bolt with support angle 42 lower surfaces in the first upper beam pipe front waist section location, two the first upper beam pipe front waist section location are greater than vehicle frame middle part transverse width dimension with left and right arrangement pitch between support angle 42, the first upper beam pipe front waist section location is vertical plane with support angle 42 trailing flanks and fixingly on trailing flank top is connected with backward a second upper beam pipe front waist section location use support angle 43, described the second upper beam pipe front waist section location with on the each side of support angle 43 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, described the second upper beam pipe front waist section location has a vertical leading flank by support angle 43 and is fixedly connected with by bolt with after the first upper beam pipe front waist section location support angle 42 trailing flank laminatings, described the second upper beam pipe front waist section location is horizontal surface and the upper beam pipe front waist section positioning support fagging 44 that is fixedly connected with a horizontally disposed rectangular block shape at upper surface by bolt with support angle 43 upper surfaces, the two ends, left and right of described upper beam pipe front waist section positioning support fagging 44 upper surface forward positions and the two ends, left and right of rear positions are respectively fixedly installed a upper beam pipe front waist section locating piece 45, upper beam pipe front waist section locating piece 45 upper surfaces are provided with upper beam pipe front waist section locating slot and fall into and realize location for upper beam pipe front waist section 9,

Described luggage case fore-stock positioning component comprises the case holder location standard square chest 46 of a rectangular body structure of entirety, described case holder location with on the each side of standard square chest 46 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, fit with standard square chest 46 lower surfaces and by being bolted to described upper beam pipe front waist section positioning support fagging 44 upper surface rear end medium positions in case holder location, case holder location is with being fixed with a luggage case fore-stock locating piece 47 for projection forward by bolt on standard square chest 46 leading flanks, luggage case fore-stock locating piece 47 upper surfaces are horizontally arranged with a luggage case fore-stock locating slot, described luggage case fore-stock locating slot falls into laminating location for luggage case fore-stock 10 middle parts,

Described luggage case lower carriage positioning component comprises described case holder location standard square chest 46, also comprise by bolt and be fixedly installed on a luggage case lower carriage locating piece 48 on standard square chest 46 trailing flanks of case holder location, described luggage case lower carriage locating piece 48 rear ends upwarp and form luggage case lower carriage location division, on described luggage case lower carriage location division, correspondence is provided with luggage case lower carriage locating hole and luggage case lower carriage alignment pin, described luggage case lower carriage location division lower surface is for realizing location with the laminating of luggage case lower carriage upper surface, and can lean on luggage case lower carriage alignment pin to realize the positioning and locking to luggage case lower carriage 11 through the installing hole on luggage case lower carriage locating hole and luggage case lower carriage 11,

Described lower beam pipe middle part positioning component comprises the lower beam pipe middle part location standard square chest 49 that is arranged at three-dimensional mounting platform 1 upper surface and is positioned at two the first upper beam pipe front waist section location support angle 42 rear adjacent medium positions, lower beam pipe middle part location with on the overall rectangular body structure of standard square chest 49 and each side all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, lower beam pipe middle part is located with fitting and by being bolted to three-dimensional mounting platform 1 upper surface standard square chest 49 bottom surfaces; Lower beam pipe middle part location is with being respectively fixedly installed a lower beam pipe middle part locating piece 50 by bolt on the lateral surface of standard square chest 49 left and right directions, and lower beam pipe middle part locating piece 50 upper surfaces offer matchingly lower beam pipe middle part locating slot and fall into and realize location for lower beam pipe middle part 12 along fore-and-aft direction;

Described pedal support positioning component comprises that two entirety are on rectangular body structure and each side all the pedal support location standard square chest 51 that is furnished with some installing holes according to the spacing consistent with installing hole on three-dimensional mounting platform 1 and array of apertures, fit with standard square chest 51 lower surfaces and locate the outer fix with standard square chest 49 left and right directions by being bolted to three-dimensional mounting platform 1 upper surface and being symmetrically arranged in lower beam pipe middle part in described pedal support location, described pedal support location is provided with a pedal support location standard angle device 52 with standard square chest 51 upper surfaces, described pedal support location comprises fixed block and the moving block separately with a hinged end and a folding end with standard angle device 52, the hinged end of fixed block and moving block is rotatable hinged and be provided with the rotational angle alignment pin for realizing rotational angle location in hinged place, described fixed block with on moving block all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, described pedal support location is arranged backward with the fixed block folding end of standard angle device 52 and is horizontally fixed on pedal support location standard square chest 51 upper surfaces by bolt, described pedal support is located on the moving block upper surface with standard angle device 52 and is fixedly connected with pedal support locating piece 53, described pedal support locating piece 53 the inners extend inwardly to lower beam pipe middle part locating piece 50 top positions and on this end, are vertically provided with pedal support locating hole and are combined with pedal support alignment pin, described pedal support alignment pin is realized the location to pedal support 13 for the pilot hole inserting on pedal support locating hole and pedal support,

Described back rest pipe positioning component comprises a back rest pipe locating piece 54 that is positioned at three-dimensional mounting platform 1 upper surface lower beam pipe middle part location standard square chest 49 middle part, rear correspondence positions, back rest pipe locating piece 54 lower ends have horizontal evagination installation journal stirrup and laminating after by being bolted on three-dimensional mounting platform 1, back rest pipe locating piece 54 upper ends have horizontally set back rest pipe locating slot and for back rest pipe 14 posterior ends fall into realize locate;

Described rear beam pipe positioning component comprises the rear beam pipe location standard square chest 55 of a rectangular body structure of entirety, described rear beam pipe location with on the each side of standard square chest 55 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, fit with standard square chest 55 lower surfaces and by being bolted to three-dimensional mounting platform 1 upper surface and locating between use standard square chest 49 and back rest pipe locating piece 54 at lower beam pipe middle part in described rear beam pipe location, rear beam pipe location is fixedly installed a rear beam pipe locating piece 56 with standard square chest trailing flank 55 middle parts by bolt, rear beam pipe locating piece 56 upper ends are horizontally arranged with a rear beam pipe locating slot and fall into location for rear beam pipe 15,

Described engine suspension support positioning component comprises the vehicle frame postmedian annex location standard square chest 57 of a rectangular body structure of entirety, described vehicle frame postmedian annex location with on the each side of standard square chest 57 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, fit with standard square chest 57 lower surfaces and by being bolted to three-dimensional mounting platform 1 upper surface back rest pipe locating piece rear adjacent in described vehicle frame postmedian annex location, vehicle frame postmedian annex location is fixed with an engine suspension support locating piece 58 by bolt separately with standard square chest 57 left and right sides lower positions, engine suspension support locating piece 58 front ends extend vehicle frame postmedian annex location with standard square chest 57 and are horizontally arranged with engine suspension support locating hole, in engine suspension support locating hole, be combined with engine suspension support alignment pin and realize the location to engine suspension support 16 for the pilot hole inserting on engine suspension support 16,

Described upper beam pipe stiffener and cushion lock support positioning component comprise two upper beam pipe stiffener location support angle 59 that are horizontally installed on vehicle frame postmedian annex location standard square chest 57 left and right sides medium positions, upper beam pipe stiffener location with on the each side of support angle 59 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, upper beam pipe stiffener location is perpendicular with support angle 59 inner ends and fits to vehicle frame postmedian annex and locate with fixing by bolt after standard square chest 57 left and right sides, upper beam pipe stiffener location is that horizontal surface and upper surface inner end portion are for realizing the location to upper beam pipe stiffener with upper beam pipe stiffener 18 lower surface butts with support angle 59 upper surfaces, described upper beam pipe stiffener location is fixedly installed a cushion lock support positioning block 60 by support angle 59 upper surface outer end position, described cushion lock support positioning block 60 inner end upper surfaces are for 19 lower surfaces laminatings realize the location to cushion lock support 19 with cushion lock support, described cushion lock support positioning block 60 inner ends also have the cushion lock rack positioning hole of vertical setting and are combined with cushion lock support alignment pin, cushion lock support alignment pin is realized the locking to cushion lock support 19 for the pilot hole inserting on cushion lock rack positioning hole and cushion lock support 19,

Damping journal stirrup locating piece 61 after described rear damping journal stirrup positioning component comprises two, described rear damping journal stirrup locating piece 61 both sides, rear end have laterally extending fixed part, on fixed part, be provided with installing hole and use on support angle 59 leading flanks by being bolted to described upper beam pipe stiffener location, rear damping journal stirrup locating piece 61 front ends extend to forward corresponding rear damping journal stirrup position and damping journal stirrup locating hole after the horizontal correspondence of front end is provided with, in rear damping journal stirrup locating hole, laterally run through and be combined with rear damping journal stirrup locating shaft, described rear damping journal stirrup locating shaft is for realizing the location to rear damping journal stirrup 17 through the earhole on rear damping journal stirrup locating hole and rear damping journal stirrup 17.

Wherein, described vehicle frame rear section positioning welding clamp structure comprises upper beam pipe rear section positioning component, luggage case after-poppet positioning component, entablature pipe positioning component, tail pipe positioning component, seat cushion after-poppet positioning component, back bar journal stirrup positioning component, hood installation journal stirrup positioning component and tail-hood support positioning component;

Described upper beam pipe rear section positioning component comprises that two are symmetrical set in the vehicle frame rear section annex location of three-dimensional mounting platform 1 upper surface back-end location support angle 62, described vehicle frame rear section annex location with on the each side of support angle 62 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, fit and be fixedly connected on three-dimensional mounting platform 1 by bolt with support angle 62 lower surfaces in vehicle frame rear section annex location, vehicle frame rear section annex location is the vertical installed surface arranging with support angle 62 leading flanks and is respectively provided with a upper beam pipe rear section location standard angle device 63 on this leading flank top, described upper beam pipe rear section location comprises fixed block and the moving block separately with a hinged end and a folding end with standard angle device 63, the hinged end of fixed block and moving block is rotatable hinged and be provided with the rotational angle alignment pin for realizing rotational angle location in hinged place, described fixed block with on moving block all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform, described upper beam pipe rear section location is arranged downwards with the fixed block folding end of standard angle device 63 and is vertically fixed on vehicle frame rear section annex location support angle 62 leading flank upper positions by bolt, described upper beam pipe rear section location is set in parallel in upper frame rail pipe rear section 20 belows with the moving block of standard angle device 63, two upper beam pipe rear section are located between the front upper side of moving block with standard angle device 63 and are laterally fixedly installed a upper beam pipe rear section location-plate 64, on upper beam pipe rear section location-plate 64 according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, upper beam pipe rear section location-plate 64 left and right sides, front upper side correspondences are fixedly installed a upper beam pipe rear section locating piece 65, on described upper beam pipe rear section locating piece 65, be provided with upper beam pipe rear section locating slot and fall into location for upper beam pipe rear section 20 along fore-and-aft direction correspondence,

Described luggage case after-poppet positioning component comprises two luggage case after-poppet location support angle 66 that are symmetrical set on the upper beam pipe rear section location-plate 64 of two upper beam pipe rear section locating piece 65 inner sides, described luggage case after-poppet location with on the each side of support angle 66 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, fit and be fixedly connected on upper beam pipe rear section location-plate 64 by bolt with support angle 66 lower surfaces in described luggage case after-poppet location, two luggage case after-poppet location are vertical installed surface and are fixed with a luggage case after-poppet locating piece 67 by bolt separately on this outer surface top with support angle 66 outer surfaces, luggage case after-poppet locating piece 67 has the luggage case after-poppet location division obtaining that laterally stretches out, luggage case after-poppet location division lower surface is for 21 upper surfaces laminatings realize spacing to the compression of luggage case after-poppet 21 with luggage case after-poppet, on luggage case after-poppet location division, also there is the luggage case after-poppet locating hole of vertical setting and be combined with luggage case after-poppet alignment pin, described luggage case after-poppet alignment pin is for realizing luggage case after-poppet 21 locking positionings through the pilot hole of luggage case after-poppet locating hole and luggage case after-poppet 21 upper ends,

Described entablature pipe positioning component comprises the entablature pipe locating piece 68 on the upper beam pipe rear section location-plate 64 that is fixed on support angle 66 middle parts, rear, two luggage case after-poppet location, described entablature pipe locating piece 68 correspondence positions have the entablature pipe location division of epirelief, upper end, entablature pipe location division there is the entablature pipe locating slot of horizontally set and keep supplying beam pipe 22 fall into realize location;

Described tail pipe positioning component comprises a rectangular body structure of entirety and is horizontally installed on two tail pipe location standard square chests 69 on support angle 62 upper end faces of vehicle frame rear section annex location, tail pipe location with on the each side of standard square chest 69 all according to being furnished with some installing holes with consistent spacing and the array of apertures of installing hole on three-dimensional mounting platform 1, tail pipe location overlaps with the 69 lower surface two ends laminatings of standard square chest and locates with support angle 62 upper end faces by being bolted to two vehicle frame rear section annexes, tail pipe location is with being vertically provided with the tail pipe plate 70 that is located by connecting on standard square chest 69 trailing flanks, tail pipe is located by connecting to run through on plate 70 front and back sides and is provided with some installing holes of arranging according to the spacing consistent with installing hole on three-dimensional mounting platform 1 and array of apertures, the be located by connecting overall rectangular platy structure of plate 70 and top of tail pipe upwards exceeds tail pipe location with standard square chest 69 upper surface positions, the tail pipe plate 70 trailing flank upper center positions that are located by connecting are fixedly installed a tail pipe locating piece 71, tail pipe locating piece 71 upper ends have one and extend be forward the located by connecting tail pipe location division of plate of tail pipe, tail pipe location division upper surface correspondence is horizontally arranged with a tail pipe locating slot and falls into and realize location for tail pipe 23,

Described seat cushion after-poppet positioning component comprises vertical a setting and the L-shaped tabular seat cushion after-poppet of entirety location support angle 72, seat cushion after-poppet location leans on bolt to be vertically fixed on the be located by connecting side on plate 70 leading flank tops of tail pipe with support angle 72 lower ends, seat cushion after-poppet location extends horizontally to tail pipe with support angle 72 upper ends and is located by connecting above plate 70 medium positions and on this end leading flank, is fixedly connected with a seat cushion after-poppet location-plate 73, seat cushion after-poppet location-plate 73 upper backs vertically arrange and fit rear by being bolted to seat cushion after-poppet location with on the leading flank of support angle upper end, seat cushion after-poppet location-plate 73 front ends extend and form in end the seat cushion after-poppet location division of lower surface for fitting spacing for seat cushion after-poppet upper surface to front lower place, on described seat cushion after-poppet location division, also correspondence is provided with seat cushion after-poppet locating hole and is combined with seat cushion after-poppet alignment pin, described seat cushion after-poppet alignment pin is for realizing the location to seat cushion after-poppet 24 through the pilot hole on seat cushion after-poppet locating hole and seat cushion after-poppet,

Described back bar journal stirrup positioning component comprises that two of being symmetrically arranged are vertically arranged at the be located by connecting back bar journal stirrup location-plate 74 of tail pipe locating piece 71 left and right sides of plate 70 trailing flanks of tail pipe, back bar journal stirrup location-plate 74 lower ends are located by connecting on plate 70 by being bolted to tail pipe, back bar journal stirrup location-plate 74 upper ends exceed tail pipe locating piece 71 positions and on leading flank, are fixedly installed a back bar journal stirrup locating piece 75, back bar journal stirrup locating piece 75 has a back bar journal stirrup location division of extending forward, back bar journal stirrup location division lower surface is for 25 upper surfaces laminatings realize spacing with back bar journal stirrup, on back bar journal stirrup location division, be also vertically provided with back bar journal stirrup locating hole and be combined with back bar journal stirrup alignment pin, back bar journal stirrup alignment pin is realized the location to back bar journal stirrup 25 for the earhole inserting on back bar journal stirrup locating hole and back bar journal stirrup 25,

Hood is installed journal stirrup positioning component and is comprised two hoods installation journal stirrup locating pieces 76 that are symmetrically arranged, hood is installed journal stirrup locating piece 76 and is fixed on the tail pipe plate 70 leading flank left and right sides that are located by connecting, hood is installed journal stirrup locating piece 76 and is had a columniform hood installation journal stirrup positioning boss that extends forward projection, and hood installation journal stirrup positioning boss is installed the location of earhole realization to hood installation journal stirrup 26 of journal stirrup 26 for inserting hood;

Described tail-hood support positioning component comprises a tail-hood support positioning block 77, tail-hood support positioning block 77 lower ends are fixed on described tail pipe locating piece 70 outer surfaces, tail-hood support positioning block 77 upper surfaces are for 27 rear portion lower surfaces laminatings realize spacing with tail-hood support, tail-hood support positioning block 77 upper surfaces middle parts are also vertically provided with tail-hood rack positioning hole and are combined with tail-hood support alignment pin, and tail-hood support alignment pin is realized spacing to tail-hood support 27 for inserting pilot hole on tail-hood support and tail-hood rack positioning hole.

In sum, above-mentioned fixture can be simplified assemble welding operation, has simple to operately, with low cost, and can facilitate the advantages such as the trial-production adjustment of scooter sample.

Claims

1. a scooter sample welding clamp of vehicle frame, it is characterized in that, comprise that upper surface and all side surfaces all have the three-dimensional mounting platform of some installing holes according to constant spacing arranged in arrays, and be arranged on vehicle frame front waist section positioning welding clamp structure, vehicle frame middle part positioning welding clamp structure and vehicle frame rear section positioning welding clamp structure on three-dimensional mounting platform; Described vehicle frame front waist section positioning welding clamp structure is for realizing the location of head tube, ignition switch lock support, meter housing support, radiator grille mounting pipe, radiator grille being installed to journal stirrup, direction lock dog and lower beam pipe front waist section; Described vehicle frame middle part positioning welding clamp structure is for realizing the location to two upper beam pipe front waist section, luggage case fore-stock, luggage case lower carriage, two lower beam pipe middle parts, pedal support, back rest pipe, rear beam pipe, engine suspension support, rear damping journal stirrup, upper beam pipe stiffener and cushion lock supports; Described vehicle frame rear section positioning welding clamp structure is for realizing the location that two upper beam pipe rear section, luggage case after-poppet, entablature pipe, tail pipe, seat cushion after-poppet, back bar journal stirrup, hood are installed to journal stirrup and tail-hood support.

2. scooter sample welding clamp of vehicle frame as claimed in claim 1, it is characterized in that, described vehicle frame front waist section positioning welding clamp structure comprises head tube positioning component, ignition switch lock support positioning component, meter housing support positioning component, radiator grille mounting pipe positioning component, radiator grille installation journal stirrup positioning component, direction lock dog positioning component and lower beam pipe front waist section positioning component;

3. scooter sample welding clamp of vehicle frame as claimed in claim 1, it is characterized in that, described vehicle frame middle part positioning welding clamp structure comprises upper beam pipe front waist section positioning component, luggage case fore-stock positioning component, luggage case lower carriage positioning component, lower beam pipe middle part positioning component, pedal support positioning component, back rest pipe positioning component, rear beam pipe positioning component, engine suspension support positioning component, rear damping journal stirrup positioning component, upper beam pipe stiffener and cushion lock support positioning component;

4. scooter sample welding clamp of vehicle frame as claimed in claim 1, it is characterized in that, described vehicle frame rear section positioning welding clamp structure comprises upper beam pipe rear section positioning component, luggage case after-poppet positioning component, entablature pipe positioning component, tail pipe positioning component, seat cushion after-poppet positioning component, back bar journal stirrup positioning component, hood installation journal stirrup positioning component and tail-hood support positioning component;