CN103949832A

CN103949832A - Welding fixture for automotive dashboard beam assembly

Info

Publication number: CN103949832A
Application number: CN201410193527.0A
Authority: CN
Inventors: 钱炳南; 王本玉; 丁铭
Original assignee: Anhui Great Chang Science And Technology Co Ltd
Current assignee: Anhui Great Chang Science And Technology Co Ltd
Priority date: 2014-05-08
Filing date: 2014-05-08
Publication date: 2014-07-30
Anticipated expiration: 2034-05-08
Also published as: CN103949832B

Abstract

The invention relates to a welding fixture for an automotive dashboard beam assembly. The welding fixture comprises a clamping table, wherein a beam left-side bracket assembly clamping frame is arranged on the left side of the clamping table; a left beam clamping frame is arranged on the right side of the beam left-side bracket assembly clamping frame; a steering pipe column lower mounting bracket assembly clamping frame is arranged in the right front of the left beam clamping frame; a steering pipe column upper mounting bracket clamping frame is arranged at the right back of the left beam clamping frame; a middle air outlet pipe mounting bracket clamping frame is arranged in the right front of the steering pipe column upper mounting bracket clamping frame; an air outlet positioning frame is arranged at the right back of the middle air outlet pipe mounting bracket clamping frame; a clamping frame of a box body mounting bracket inside a glove box is arranged on the right side of the air outlet positioning frame; a PAB mounting bracket clamping frame is arranged behind the clamping frame of the box body mounting bracket inside a glove box. The welding fixture for the automotive dashboard beam assembly has the advantages of convenience in adjustment, safety and reliability in clamping, accuracy in positioning and the like. A No.3 left push rod and a No. 3 right push rod are convenient for a user to perform manual positioning in a manual reciprocating manner of the No.3 left push rod.

Description

A kind of weld jig of fascia board girder assembly

Technical field

The present invention relates to auto welding jig technical field, specifically a kind of weld jig of fascia board girder assembly.

Background technology

Weld jig is the capital equipment of automobile body-in-white welding line, only grasp vehicle body soldering jig Design, could produce better faster and meet functional requirement, quality weld jig really up to the mark comes, make it in automobile production, bring into play its due effect, and receive good economic benefit.The design of Cab Welding Jig and stamping parts, process part processing structure and accuracy relation are very close, in order to improve the clamping efficiency of weld jig, need to have ingenious, convenient, reliable clamp structure.

Auto parts and components are mostly sheet member, when welding, be easy to deform, weldment precision after distortion is affected, make to install difficulty, affect the overall performance of automobile, the weldment of distortion generally also needs school shape, in order to improve sizing precision, necessary service precision is higher, the better school of rigidity shape mould, increase undoubtedly manufacturing cost, extended the production time, reduced production efficiency, and during the shape of school the residing ess-strain of workpiece than general forming process complexity many, school shape effect is difficult to guarantee.

Fascia board girder is parts important on automobile, for placing, support all kinds of instrument of directly observing for driver, due on what weld is all frivolous stamping parts, in order to prevent instrument, rock or connect shakiness, must guarantee the welding quality of fascia board girder assembly, guarantee the clamping effect of weld jig.

The patent No. is that the patent of ZL200920165197.9 discloses a kind of fixture for the manufacture of fascia board girder assembly digital-to-analogue, it comprises base and is arranged on clamping device and the shape rectifying mechanism on base, clamping device comprises two main clamping devices and two end clamping devices, described dashboard cross member assembly digital-to-analogue is flatly arranged on the top of clamping device along its length, by adopting above structure, clamping device can correct shape fascia board girder assembly digital-to-analogue, and the positioning and clamping function of clamping device is not enough, do not utilize cylinder to realize the Automatic-clamping of fixture, more do not take for adjust flexibly the measure of clamping and positioning device in plane or three-dimensional, especially when producing compared with big shearing between fixture and fascia board girder assembly, fixture can not be adjusted flexibly.

Summary of the invention

In order to solve the problems of the technologies described above, the invention provides a kind of weld jig of fascia board girder assembly.

The present invention solves its technical problem and realizes by the following technical solutions:

A kind of weld jig of fascia board girder assembly, comprise clamping bench, the two ends, left and right of described clamping bench are respectively provided with a fixed mount, in use, on fixed mount, be connected with for rotating the motor of clamping bench, the left side of clamping bench is provided with crossbeam left side brackets assembly clamping frame; Described crossbeam left side brackets assembly clamping frame right-hand is provided with for supporting the left crossbeam clamping frame with fixed car dashboard cross member left end; The right front of described left crossbeam clamping frame is provided with for mounting bracket assembly clamping frame under the steering column of mounting bracket assembly under the location steering column that is installed, and the right back of left crossbeam clamping frame is provided with for mounting bracket clamping frame on the steering column of mounting bracket on the steering column that is fixedly installed; On described steering column, mounting bracket clamping frame right front is provided with middle discharge pipe mounting bracket clamping frame; In the middle of described, discharge pipe mounting bracket clamping frame right back is provided with air outlet locating rack; The right-hand glove box internal box mounting bracket clamping frame that is provided with of described air outlet locating rack; The rear of described glove box internal box mounting bracket clamping frame is provided with PAB mounting bracket clamping frame, the right-hand right crossbeam clamping frame being provided with for the fixed car dashboard cross member right-hand member that is installed of described glove box internal box mounting bracket clamping frame; The right-hand crossbeam right side bracket assembly clamping frame that is provided with of described right crossbeam clamping frame.

Described crossbeam left side brackets assembly clamping frame comprises support No. one; The upper end of a described support is provided with platform No. one; Before and after the upper surface of a described platform both sides respectively correspondence be provided with cushion block after front pods, No.; After a described front pods, No. one, cushion block is respectively to being applied to the rear and front end of supporting traverse left side brackets assembly, the left front of a front pods is provided with the piece of transposing No. for the left side from a front pods or a front pods position of front side adjustment, the front end of a front pods, left end, lower end are equipped with front pad No. one, by changing the thickness of a front pad, also the position of a front pods of capable of regulating, improves the stability of a front pods; The piece of transposing after the left back of cushion block is provided with No. one after described No. one, pad after rear end, left end, the lower end of cushion block is equipped with No. after No.; The hinged mode that passes on left of a described support is connected with cylinder No. one, and the upper left side of a support is connected with pressure rack No. one by hinged mode; The lower end of a described pressure rack is connected to by hinged mode on the cylinder axis of a cylinder, paw after both sides paw before correspondence is provided with No. respectively before and after the right-hand member of a pressure rack, No.; Claw pad sheet before being provided with No. one between paw and a pressure rack before described No. one; Claw pad sheet after being provided with No. one between paw and a pressure rack after described No. one, in use, start No. one cylinder, by cylinder by the right-hand member that is hinged on a pressure rack on a support to lower swing, thereby drive paw after paw before No., No. by being placed on the crossbeam left side brackets assembly on cushion block after front pods, No., to compress downwards.

Described left crossbeam clamping frame comprises support No. two; The top of described No. two supports is provided with Upper gasket No. two, and No. two Upper gasket top is provided with V-type jacking block No. two, No. two V-type jacking blocks are convenient to the fascia board girder of holding cylindrical, and No. two V-type jacking block can regulate the bearing height of No. two V-type jacking blocks by changing the thickness of No. two Upper gaskets, the rear portion of No. two supports is connected with cylinder No. two by hinged mode, and the upper back of No. two supports is connected with pressure rack No. two by hinged mode; The rear end of described No. two pressure racks is connected to by hinged mode on the cylinder axis of No. two cylinders, and the front lower ends of No. two pressure racks is by being provided with lower gasket No. two; Described No. two lower gasket lower ends are provided with briquetting No. two, can change the bottom limit of No. two briquettings by changing the thickness of No. two lower gaskets, thereby change the clamping degree to fascia board girder.

Under described steering column, mounting bracket assembly clamping frame comprises support No. three; The arranged on left and right sides of described No. three supports is equipped with riser No. three, and the rear portion arranged on left and right sides of No. three supports is equipped with lower block No. three; The upper end of described No. three lower blocks is provided with inclined-plane, and on inclined-plane, is equipped with lower stop piece No. three, can change the blocking position of No. three lower blocks by changing the thickness of No. three lower stop pieces; The upper surface of described No. three risers is also inclined-plane, and the inclined-plane of No. three riser upper ends is perpendicular to the inclined-plane of No. three lower block upper ends, between No. three risers, be provided with No. three lower cylinders that are simultaneously parallel to No. three riser upper surfaces and No. three risers, No. three riser upper surface is equipped with glide path No. three; On described No. three glide paths, all cover has sliding block No. three; The top of described No. three sliding blocks is equipped with No. three lower guide cards that are parallel to No. three lower cylinders, and the upper end of No. three sliding blocks is connected with under No. three dull and stereotyped; The described No. three lower guide cards groove that dull and stereotyped bottom is provided with from No. three passes, and No. three lower guide cards are to the dull and stereotyped position-limiting action that rises under No. three, while preventing from sliding before and after No. three sliding blocks are on No. three glide paths, derails; Front end below dull and stereotyped under described No. three is connected on the cylinder axis of No. three lower cylinders by hinged mode, rear end dull and stereotyped under No. three is against on No. three lower stop pieces, riser before dull and stereotyped upper front end is connected with No. three under No. three, upper surface dull and stereotyped under No. three is provided with No. three horizontal middle slideway, middle part dull and stereotyped under No. three is provided with medium-height trestle No. three, and No. three medium-height trestles are across the top of No. three middle slideway; The left and right two ends of described No. three middle slideway are equipped with block in No. three, and the corresponding cover in the left side of No. three middle slideway, right side has No. three left balladeur trains, No. three right balladeur trains, and the scope that horizontally slips block in No. three of No. three left balladeur trains, No. three right balladeur trains is determined; The front end of described No. three left balladeur trains is connected with left push rod No. three, and the inside of No. three left balladeur trains is embedded with cylinder in No. three, and in No. three, the cylinder axis top of cylinder is connected on No. three right balladeur trains, and the top, right side of No. three left balladeur trains is provided with Zuo Ding hole frame No. three; Lower surface, the front end face of described No. three Zuo Ding hole framves is equipped with Zuo Ding hole pad No. three, the right-hand member of No. three Zuo Ding hole framves is provided with No. three left sides and determines Kong Zhu, in use, in No. three, cylinder can not promote No. three left sides and determines Kong Zhu and stretch into exactly under steering column in mounting bracket assembly, mounting bracket assembly under steering column is fixed, can move left push rod No. three by hand reciprocating, manually locate, unaffected to guarantee clamping process; The top, left side of described No. three right balladeur trains is provided with You Ding hole frame No. three, is fixed with right push rod on the front end face of No. three right balladeur trains No. three; Front end face, the lower surface of described No. three You Ding hole framves is equipped with You Ding hole pad No. three, by adjusting the thickness of No. three You Ding hole pads, the Y-axis of adjustable No. three You Ding hole framves and the position in Z-direction, due to the X-axis position of No. three You Ding hole framves can be in No. three cylinder or No. three right push rods be fixed, therefore do not need to regulate JiaXZhou position, No. three You Ding holes by pad, the left side of No. three You Ding hole framves is provided with No. three right sides and determines Kong Zhu; The left and right sides of described No. three medium-height trestles is equipped with limited block No. three, and the top of No. three medium-height trestles is provided with locating rack No. three, and the front end face of No. three locating racks be fixedly connected on No. three before on riser; In left and right, the rear portion both ends of the surface of described No. three locating racks, be equipped with No. three locating pieces and No. three locating shims, No. three locating pieces are for supporting the bottom of mounting bracket assembly under steering column, and because the bottom of mounting bracket assembly under steering column is in use stuck on No. three locating pieces, therefore No. three locating pieces also can prevent left and right, the bottom deflection of mounting bracket assembly under steering column, locating piece after the rear portion upside of No. three locating racks is provided with No. three; Locating shim after being provided with No. three between locating piece and No. three locating racks after described No. three, in use, after No. three, locating piece withstands on the bottom front end of mounting bracket assembly under steering column, mounting bracket assembly under steering column is played to position-limiting action, and the bottom that prevents mounting bracket assembly under steering column forward lateral deviation is moved; Before described No. three, the top rear end face of riser is provided with upper fixing hole frame No. three; Described No. three upper fixing hole framves are for being fixed clamping to the top of mounting bracket assembly under steering column, and the arranged on left and right sides correspondence of No. three upper fixing hole frame rear end faces is provided with No. three left upper fixing hole pieces, No. three right upper fixing hole pieces; On the left side of described No. three left upper fixing hole pieces, lower surface, front end face, be equipped with left upper fixing hole pad No. three, to regulate by regulating No. three left upper fixing hole pads to carry out solid to No. three left upper fixing hole pieces in X, Y, tri-directions of Z, the rear end face of No. three left upper fixing hole pieces is provided with for withstanding on No. three left upper fixing hole posts in the fabrication hole that under steering column, the top of mounting bracket assembly is provided with; On the right side of described No. three right upper fixing hole pieces, lower surface, front end face, be equipped with right upper fixing hole pad No. three, the rear end face of No. three right upper fixing hole pieces is provided with right upper fixing hole post No. three.

On described steering column, mounting bracket clamping frame comprises support No. four, the middle part of described No. four supports is provided with lower cylinder No. four, and left and right two inner sides of No. four supports are equipped with lower cushion block No. four, and left and right two upper surfaces of No. four supports are equipped with slideway No. four, on described No. four slideways, all cover has balladeur train No. four, described No. four balladeur trains top is equipped with guide card No. four, No. four balladeur train upper end is fixed with under No. four dull and stereotyped, and the groove that No. four guide cards are provided with through dull and stereotyped lower surface under No. four is to the dull and stereotyped position-limiting action that rises under No. four, prevent from dull and stereotypedly under No. four from the end of No. four slideways, skidding off, described No. four lower cylinders are connected on lower surface dull and stereotyped under No. four, the cylinder axis of No. four lower cylinders is connected with fore-stock No. four, in use, No. four fore-stock is fixed on clamping bench, by controlling the flexible of No. four lower cylinders, can make No. four lower cylinders control flat board under No. four and move forward and backward on No. four balladeur trains, fore-set before the upper end of described No. four fore-stocks is provided with No. four, before described No. four, the upper end of fore-set is provided with front top plate No. four, and No. four front top plates are inverted v-shaped, and No. four front top plate rear side is provided with recess, before No. four, the centre of fore-set is provided with front air cylinder No. four, the end face that No. four front top plates of inverted v-shaped tilt to adapt to mounting bracket lower end on steering column, and the setting of recess can guarantee that No. four front top plates do not interfere the stretching motion of No. four front air cylinders, described No. four front air cylinders are provided with No. four prelocalizations nail, in use, No. four front air cylinders can utilize the fixedly bottom of mounting bracket on steering column of No. four prelocalizations nail, slide in the bottom that prevents mounting bracket on steering column on No. four front top plates, and be reduced to No. four front top plates when following when No. four front air cylinders, No. four front top plate can be born the downward pressure of mounting bracket on steering column, the lower end that prevents mounting bracket on steering column is directly pressed on the cylinder axis of No. four front air cylinders, cause excess compression under the pressure of cylinder axis mounting bracket on steering column of No. four front air cylinders, when opening the switch of No. four front air cylinders next time, the cylinder axis of No. four front air cylinders is difficult to the appearance of situations such as stretching out, under described No. four, in the middle part of front side, dull and stereotyped upper surface, be provided with No. four and determine hole piece, and determine between flat board, to be provided with No. four under hole piece and No. four for No. four and determine hole pad, determine to be provided with No. four in the piece of hole for No. four and determine Kong Ding, and the rear end of determining Kong Ding for No. four is provided with No. four and determines hole nut, by adjusting No. four, determine hole nut, the extension elongation that capable of regulating is determined Kong Ding No. four, thereby adjust, determine the fixed effect of Kong Ding to mounting bracket on steering column for No. four, determine hole piece arranged on left and right sides correspondence for No. four and be provided with No. four Zuo Ding hole pieces, No. four You Ding hole pieces, under described No. four Zuo Ding hole pieces and No. four, between flat board, be provided with Zuo Ding hole pad No. four, under described No. four You Ding hole pieces and No. four, between flat board, be provided with You Ding hole pad No. four, rear end face dull and stereotyped under described No. four is fixed with air cylinder group No. four, the top of described No. four air cylinder group is provided with upper plate No. four, the left side, upper surface of described No. four upper plates is provided with No. four upper left pads and No. four upper left jacking blocks from top to bottom successively, the right side, upper surface of described No. four upper plates is provided with No. four upper right pads and No. four upper right jacking blocks from top to bottom successively, and No. four upper right jacking blocks and No. four upper left jacking blocks symmetrical about the axis of No. four upper plates, described No. four upper left jacking blocks and No. four upper right jacking blocks are L-type piece, and the top of No. four upper left jacking blocks and No. four upper right jacking blocks is inclined-plane, to adapt to the top profile of mounting bracket on steering column.

The upper end of described air outlet locating rack is provided with inclined-plane No. five, and No. five inclined-planes are provided with hole No. five, is fixed with alignment pin on the lower surface on No. five inclined-planes No. five, described No. five alignment pins comprise pin shell No. five, the mode that the lower end of described No. five pin shells is threaded connection is connected with housing cap No. five, and No. five pin shell both sides are provided with No. five L-type holes about the median centre symmetry of No. five pin shells, are provided with No. five spacing roofbolt in No. five pin shells, the downside of described No. five spacing roofbolts is provided with banking stop No. five, the lower end of No. five spacing roofbolts is connected with kingpin head through No. five housing caps, the upper end of No. five spacing roofbolts is positioned on the inclined-plane, No. five, upper end of air outlet locating rack through No. five holes, the upside of No. five spacing roofbolts is provided with limit position Transverse post No. five, and No. five Xian Wei Transverse post is positioned at L-type hole No. five, because the air outlet on fascia board girder and the angle between horizontal plane are 65 °, the angle between No. five spacing roofbolts and horizontal plane is also made as 65 °, between described No. five banking stops and No. five housing caps, be provided with spring No. five, by pulling out kingpin head, No. five spacing roofbolts can be pulled out, No. five Xian Wei Transverse posts are pulled to the flex point place in No. five L-type holes, then rotating No. five spacing roofbolts can proceed to No. five limit position Transverse posts in No. five LXing Kong lateral parts, thereby the upper end of No. five spacing roofbolts is shunk downwards, the location of releasing to the air outlet on fascia board girder, otherwise, the place of part longitudinally by No. five limit position Transverse post rotations on No. five spacing roofbolts to No. five L-type holes, under the effect of No. five springs, No. five banking stops promote No. five spacing roofbolts and protrude upward, thereby the air outlet on fascia board girder is positioned.

Described PAB mounting bracket clamping frame comprises support No. six; The upper end of described No. six supports is No. six inclined-planes; On described No. six inclined-planes, be fixed with air cylinder group No. six; The top of described No. six air cylinder group is provided with link No. six; The front end of described No. six links is provided with for placing No. six cushion blocks of PAB mounting bracket; The upper rear of described No. six links is connected with cylinder No. six by hinged mode, and the upper-end front of No. six links is connected with pressure rack No. six by hinged mode; The cylinder axis of described No. six cylinders is connected in No. six pressure racks by hinged mode; The left and right sides, front end bottom of described No. six pressure racks is equipped with No. six paws for compression clamping PAB mounting bracket; Between described No. six paws and No. six pressure racks, be all separated with for adjusting No. six pressure pad sheets of No. six paw height.

Described left crossbeam clamping frame and right crossbeam clamping frame are symmetrical about the axis of clamping bench, play the effect of symmetric support clamping fascia board girder.

Described crossbeam right side bracket assembly clamping frame comprises support No. seven; The right-hand member bottom of described No. seven supports is connected with cylinder No. seven by hinged mode, and the right-hand member top of No. seven supports is connected with pressure rack No. seven by hinged mode; The bottom of described No. seven pressure racks is connected to by hinged mode on the cylinder axis of No. seven cylinders, and before and after the left end bottom of No. seven pressure racks, both sides are equipped with paw No. seven, between No. seven pressure racks and No. seven paws, are all separated with pressure pad sheet No. seven; The left side of described No. seven supports is fixed with air cylinder group No. seven; The upper end of described No. seven air cylinder group is provided with cushion block No. seven; Described No. seven air cylinder group can be used for regulating the height of No. seven cushion blocks, thereby regulate the height of crossbeam right side bracket assembly, to coordinate paw clamping crossbeam right side bracket assembly No. seven.

The invention has the beneficial effects as follows: the present invention has the advantages such as reasonable in design, easy to adjust, clamping safety and stability, accurate positioning, No. three left push rods and No. three right push rods have facilitated user can not promote No. three left sides when determining Kong Zhu and stretching into exactly under steering column in mounting bracket assembly at cylinder in No. three, by hand reciprocating, moving the mode of No. three left push rods can manually locate and manual setting, even if guaranteed to occur dislocation to a certain degree between mounting bracket assembly under fixture and steering column, its clamping process can not interrupt; If No. four front top plates of jagged inverted v-shaped, on preventing steering column mounting bracket by lower-powered No. four front air cylinder excess compression in, guaranteed that No. four front air cylinders are unaffected to the promotion effect of mounting bracket on steering column, the set structures such as all kinds of Kong Zhu of determining have guaranteed that fixture is stable to fascia board girder assembly, clamping accurately, reduced the deformation extent of fascia board girder assembly in welding process, also fascia board girder assembly has been played to certain corrective action.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is overall structure schematic diagram of the present invention;

Fig. 2 is top view of the present invention;

Fig. 3 is front view of the present invention;

Fig. 4 is rearview of the present invention;

Fig. 5 is the three-dimensional view of crossbeam left side brackets assembly clamping frame of the present invention;

Fig. 6 is the front view of left crossbeam clamping frame of the present invention;

Fig. 7 is the forward right side three-dimensional view of mounting bracket assembly clamping frame under steering column of the present invention;

Fig. 8 is the right lateral side three-dimensional view of mounting bracket assembly clamping frame under steering column of the present invention;

Fig. 9 is the stereogram of No. three Zuo Ding hole framves of the present invention;

Figure 10 is the stereogram of No. three locating racks of the present invention;

Figure 11 is the forward right side three-dimensional view of the part of mounting bracket clamping frame on steering column of the present invention;

Figure 12 is the front view of mounting bracket clamping frame on steering column of the present invention;

Figure 13 is the right view of the part of mounting bracket clamping frame on steering column of the present invention;

Figure 14 is the left view of mounting bracket clamping frame on steering column of the present invention;

Figure 15 is the three-dimensional view of air outlet locating rack of the present invention;

Figure 16 is the front view of No. five alignment pins of the present invention;

Figure 17 is the left view of No. five alignment pins of the present invention;

Figure 18 is the cutaway view of No. five alignment pins of the present invention;

Figure 19 is the left view of PAB mounting bracket clamping frame of the present invention;

Figure 20 is the three-dimensional view of crossbeam of the present invention right side bracket assembly clamping frame.

The specific embodiment

For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.

As shown in Fig. 1 to Figure 20, a kind of weld jig of fascia board girder assembly, comprise clamping bench 1, the two ends, left and right of described clamping bench 1 are respectively provided with a fixed mount 2, in use, on fixed mount 2, be connected with for rotating the motor of clamping bench 1, the left side of clamping bench 1 is provided with crossbeam left side brackets assembly clamping frame 3; Described crossbeam left side brackets assembly clamping frame 3 right-hand is provided with for supporting the left crossbeam clamping frame 4a with fixed car dashboard cross member left end; The right front of described left crossbeam clamping frame 4a is provided with for mounting bracket assembly clamping frame 5 under the steering column of mounting bracket assembly under the location steering column that is installed, and the right back of left crossbeam clamping frame 4a is provided with for mounting bracket clamping frame 6 on the steering column of mounting bracket on the steering column that is fixedly installed; On described steering column, mounting bracket clamping frame 6 right fronts are provided with middle discharge pipe mounting bracket clamping frame 7; In the middle of described, discharge pipe mounting bracket clamping frame 7 right backs are provided with air outlet locating rack 8; The right-hand glove box internal box mounting bracket clamping frame 10 that is provided with of described air outlet locating rack 8; The rear of described glove box internal box mounting bracket clamping frame 10 is provided with PAB mounting bracket clamping frame 9, the right-hand right crossbeam clamping frame 4b being provided with for the fixed car dashboard cross member right-hand member that is installed of described glove box internal box mounting bracket clamping frame 10; The right-hand crossbeam right side bracket assembly clamping frame 11 that is provided with of described right crossbeam clamping frame 4b.

Described crossbeam left side brackets assembly clamping frame 3 comprises support 301 No. one; The upper end of a described support 301 is provided with platform 302 No. one; Before and after the upper surface of a described platform 302 both sides respectively correspondence be provided with cushion block 306 after front pods 303, No.; After a described front pods 303, No. one, cushion block 306 is respectively to being applied to the rear and front end of supporting traverse left side brackets assembly, the left front of a front pods 303 is provided with the piece 305 of transposing No. for the left side from a front pods 303 or front pods 303 positions of front side adjustment, the front end of a front pods 303, left end, lower end are equipped with front pad 304 No. one, by changing the thickness of a front pad 304, also the position of a front pods 303 of capable of regulating, improves the stability of a front pods 303; After described No. one, the left back of cushion block 306 is provided with after No. 308, one, the piece of transposing after No. a pad 307 after rear end, left end, the lower end of cushion block 306 is equipped with No.; The upper left side that hinged mode is connected with 309, numbers supports 301 of a cylinder that passes on left of a described support 301 is connected with pressure rack 310 No. one by hinged mode; The lower end of a described pressure rack 310 is connected to by hinged mode on the cylinder axis of a cylinder 309, paw 314 after both sides paw 312 before correspondence is provided with No. respectively before and after the right-hand member of a pressure rack 310, No.; Claw pad sheet 311 before paw 312 and 310 of a pressure rack are provided with No. one before described No. one; Claw pad sheet 313 after paw 314 and 310 of a pressure rack are provided with No. one after described No. one, in use, start No. one cylinder 309, by cylinder 309 by the right-hand member that is hinged on a pressure rack 310 on a support 301 to lower swing, thereby drive paw 314 after paw before No. one 312, No. by being placed on the crossbeam left side brackets assembly on cushion block 306 after front pods 303, No., to compress downwards.

Described left crossbeam clamping frame 4a comprises support 401 No. two; The top of described No. two supports 401 is provided with Upper gasket 402 No. two, and No. two Upper gasket 402 tops are provided with V-type jacking block 403 No. two, No. two V-type jacking blocks 403 are convenient to the fascia board girder of holding cylindrical, and No. two V-type jacking block 403 can regulate the bearing height of No. two V-type jacking blocks 403 by changing the thickness of No. two Upper gaskets 402, the upper back that the rear portion of No. two supports 401 is connected with 404, No. two supports 401 of No. two cylinders by hinged mode is connected with pressure rack 405 No. two by hinged mode; The rear end of described No. two pressure racks 405 is connected to by hinged mode on the cylinder axis of No. two cylinders 404, and the front lower ends of No. two pressure racks 405 is by being provided with lower gasket 406 No. two; Described No. two lower gasket 406 lower ends are provided with briquetting 407 No. two, can change the bottom limit of No. two briquettings 407 by changing the thickness of No. two lower gaskets 406, thereby change the clamping degree to fascia board girder.

Under described steering column, mounting bracket assembly clamping frame 5 comprises support 501a No. three; The arranged on left and right sides of described No. three support 501a is equipped with riser 501b No. three, and the rear portion arranged on left and right sides of No. three support 501a is equipped with lower block 502 No. three; The upper end of described No. three lower blocks 502 is provided with inclined-plane, and on inclined-plane, is equipped with lower stop piece 504 No. three, can change the blocking position of No. three lower blocks 502 by changing the thickness of No. three lower stop pieces 504; The upper surface of described No. three riser 501b is also inclined-plane, and the inclined-plane of No. three riser 501b upper ends is perpendicular to the inclined-plane of No. three lower block 502 upper ends, between No. three riser 501b, be provided with 525, No. three riser 501b upper surfaces of No. three lower cylinders that are simultaneously parallel to No. three riser 501b upper surfaces and No. three riser 501b and be equipped with glide path 503 No. three; On described No. three glide paths 503, all cover has sliding block 505 No. three; The upper end that the top of described No. three sliding blocks 505 is equipped with 508, No. three sliding blocks 505 of No. three lower guide cards that are parallel to No. three lower cylinders 525 is connected with flat board 506 under No. three; The groove that described No. three lower guide cards 508 bottom of dull and stereotyped 506 from No. three is provided with passes, and dull and stereotyped 506 position-limiting actions under No. three, 508 pairs of No. three lower guide cards derail while preventing from sliding before and after No. three sliding blocks 505 are on No. three glide paths 503; Under described No. three, dull and stereotyped 506 front end below is connected on the cylinder axis of No. three lower cylinders 525 by hinged mode, under No. three, dull and stereotyped 506 rear end is against on No. three lower stop pieces 504, riser 509 before dull and stereotyped 506 upper front end is connected with No. three under No. three, under No. three, dull and stereotyped 506 upper surface is provided with No. three horizontal middle slideway 524, under No. three, dull and stereotyped 506 middle part is provided with medium-height trestle 523 No. three, and No. three medium-height trestles 523 are across the top of No. three middle slideway 524; The left and right two ends of described No. three middle slideway 524 are equipped with block 507 in No. three, the left side of No. three middle slideway 524, the corresponding cover in right side have No. three left balladeur train 512a, No. three right balladeur trains, and the scope that horizontally slips of No. three left balladeur train 512a, No. three right balladeur train 512b block 507 in No. three is determined; The front end of described No. three left balladeur train 512a is connected with left push rod 511 No. three, the inside of No. three left balladeur train 512a is embedded with cylinder 502 in No. three, and it is upper that in No. three, the cylinder axis top of cylinder 502 is connected to No. three right balladeur train 512b, and the top, right side of No. three left balladeur train 512a is provided with Zuo Ding hole frame 521a No. three; Lower surface, the front end face of described No. three Zuo Ding hole frame 521a is equipped with Zuo Ding hole pad 526a No. three, the right-hand member of No. three Zuo Ding hole frame 521a is provided with Zuo Ding hole post 527 No. three, in use, in No. three, cylinder 502 can not promote No. three Zuo Ding hole posts 527 and stretches into exactly under steering column in mounting bracket assembly, mounting bracket assembly under steering column is fixed, can move left push rod 511 No. three by hand reciprocating, manually locate, unaffected to guarantee clamping process; The top, left side of described No. three right balladeur train 512b is provided with You Ding hole frame 521b No. three, is fixed with right push rod 510 on the front end face of No. three right balladeur train 512b No. three; Front end face, the lower surface of described No. three You Ding hole frame 521b is equipped with You Ding hole pad 526b No. three, by adjusting the thickness of No. three You Ding hole pad 526b, the Y-axis of adjustable No. three You Ding hole frame 521b and the position in Z-direction, due to the X-axis position of No. three You Ding hole frame 521b can be in No. three cylinder 502 or No. three right push rods 510 be fixed, therefore do not need to regulate by pad the position of No. three You Ding hole frame 521bX axles, the left side of No. three You Ding hole frame 521b is provided with No. three right sides and determines Kong Zhu; The top that the left and right sides of described No. three medium-height trestles 523 is equipped with 522, No. three medium-height trestles 523 of No. three limited blocks is provided with locating rack 514 No. three, and the front end face of No. three locating racks 514 be fixedly connected on No. three before on riser 509; In left and right, the rear portion both ends of the surface of described No. three locating racks 514, be equipped with No. three locating pieces 527 and No. three locating shims 528, No. three locating pieces 527 are for supporting the bottom of mounting bracket assembly under steering column, and because the bottom of mounting bracket assembly under steering column is in use stuck on No. three locating pieces 527, therefore No. three locating pieces 527 also can prevent left and right, the bottom deflection of mounting bracket assembly under steering column, locating piece 513 after the rear portion upside of No. three locating racks 514 is provided with No. three; Locating shim 515 after locating piece 513 and No. three 514 of locating racks are provided with No. three after described No. three, in use, after No. three, locating piece 513 withstands on the bottom front end of mounting bracket assembly under steering column, mounting bracket assembly under steering column is played to position-limiting action, and the bottom that prevents mounting bracket assembly under steering column forward lateral deviation is moved; Before described No. three, the top rear end face of riser 509 is provided with upper fixing hole frame 519 No. three; Described No. three upper fixing hole framves 519 are for the top of mounting bracket assembly under steering column is fixed to clamping, and the arranged on left and right sides correspondence of No. three upper fixing hole frame 519 rear end faces is provided with left upper fixing hole piece 517a, No. three right upper fixing hole piece 517b No. three; On the left side of described No. three left upper fixing hole piece 517a, lower surface, front end face, be equipped with left upper fixing hole pad 518a No. three, to regulate by regulating No. three left upper fixing hole pad 518a to carry out solid to No. three left upper fixing hole piece 517a in X, Y, tri-directions of Z, the rear end face of No. three left upper fixing hole piece 517a is provided with for withstanding on No. three left upper fixing hole post 516a in the fabrication hole that under steering column, the top of mounting bracket assembly is provided with; On the right side of described No. three right upper fixing hole piece 517b, lower surface, front end face, be equipped with right upper fixing hole pad 518b No. three, the rear end face of No. three right upper fixing hole piece 517b is provided with right upper fixing hole post 516b No. three.

On described steering column, mounting bracket clamping frame 6 comprises support 604 No. four, left and right two upper surfaces that left and right two inner sides that the middle part of described No. four supports 604 is provided with 622, No. four supports 604 of No. four lower cylinders are equipped with 623, No. four supports 604 of No. four lower cushion blocks are equipped with slideway 607 No. four, on described No. four slideways 607, all cover has balladeur train 606 No. four, described No. four balladeur train 606 tops are equipped with 608, No. four balladeur train 606 upper ends of No. four guide cards and are fixed with under No. four dull and stereotypedly 609, and the groove that is provided with through dull and stereotyped 609 lower surfaces under No. four of No. four guide cards 608 is to dull and stereotyped 609 position-limiting actions under No. four, described No. four lower cylinders 622 are connected on the lower surface of flat board 609 under No. four, the cylinder axis of No. four lower cylinders 622 is connected with fore-stock 605 No. four, in use, No. four fore-stock 605 is fixed on clamping bench 1, by controlling the flexible of No. four lower cylinders 622, can make No. four lower cylinders 622 control flat board 609 under No. four and move forward and backward on No. four balladeur trains 606, fore-set 601 before the upper end of described No. four fore-stocks 605 is provided with No. four, before described No. four, the upper end of fore-set 601 is provided with front top plate 603 No. four, and No. four front top plate 603 is inverted v-shaped, No. four front top plate 603 rear sides are provided with recess, before No. four, the centre of fore-set 601 is provided with front air cylinder 602 No. four, the end face that No. four front top plates 603 of inverted v-shaped tilt to adapt to mounting bracket lower end on steering column, and the setting of recess can guarantee that No. four front top plates 603 do not interfere the stretching motion of No. four front air cylinders 602, described No. four front air cylinders 602 are provided with No. four prelocalizations nail 621, in use, No. four front air cylinders 602 can utilize the fixedly bottom of mounting bracket on steering column of No. four prelocalizations nail 621, prevent that on steering column, mounting bracket slides on No. four front top plates 603, and be reduced to No. four front top plates 603 when following when the cylinder axis of No. four front air cylinders 602, No. four front top plate 603 can support mounting bracket on steering column, bear the downward pressure of mounting bracket on steering column, the lower end that prevents mounting bracket on steering column is directly pressed on the cylinder axis of No. four front air cylinders 602, cause excess compression under the pressure of cylinder axis mounting bracket on steering column of No. four front air cylinders 602, when opening the switch of No. four front air cylinders 602 next time, the cylinder axis of No. four front air cylinders 602 is difficult to the appearance of situations such as stretching out, under described No. four, in the middle part of dull and stereotyped 609 front sides, upper surface, be provided with No. four and determine hole piece 612, and determine between dull and stereotyped 609, to be provided with No. four under hole piece 612 and No. four for No. four and determine hole pad 613, determine for No. four to be provided with and to determine hole nail 614 for No. four in hole piece 612, and the rear end of determining hole nail 614 for No. four is provided with No. four and determines hole nut 624, by adjusting No. four, determine hole nut 624, capable of regulating is determined the extension elongation of hole nail 614 for No. four, thereby adjust the fixed effect of determining mounting bracket on 614 pairs of steering columns of hole nail for No. four, determine hole piece 612 left sides for No. four, right both sides correspondence is provided with Zuo Ding hole piece 610a No. four, No. four You Ding hole piece 610b, under described No. four Zuo Ding hole piece 610a and No. four, dull and stereotyped 609 are provided with Zuo Ding hole pad 611a No. four, under described No. four You Ding hole piece 610b and No. four, dull and stereotyped 609 are provided with You Ding hole pad 611b No. four, under described No. four, dull and stereotyped 609 rear end face is fixed with air cylinder group 615 No. four, the top of described No. four air cylinder group 615 is provided with upper plate 617 No. four, the left side, upper surface of described No. four upper plates 617 is provided with No. four upper left pads 620 and No. four upper left jacking blocks 618 from top to bottom successively, the right side, upper surface of described No. four upper plates 617 is provided with No. four upper right pads 619 and No. four upper right jacking blocks 616 from top to bottom successively, and No. four upper right jacking blocks 616 and No. four upper left jacking blocks 618 symmetrical about the axis of No. four upper plates 617, described No. four upper left jacking blocks 618 and No. four upper right jacking blocks 616 are L-type piece, and the top of No. four upper left jacking blocks 618 and No. four upper right jacking blocks 616 is inclined-plane, to adapt to the top profile of mounting bracket on steering column.

The upper end of described air outlet locating rack 8 is provided with inclined-plane 801 No. five, and No. five inclined-planes 801 are provided with on the lower surface on 802, No. five inclined-planes 801, No. five holes and are fixed with alignment pin 803 No. five, described No. five alignment pins 803 comprise pin shell 80304 No. five, the mode that the lower end of described No. five pin shells 80304 is threaded connection is connected with housing cap 80302 No. five, No. five pin shell 80304 both sides are provided with in No. 80306, five, No. five L-type holes pin shell 80304 about the median centre symmetry of No. five pin shells 80304 and are provided with spacing roofbolt 80301 No. five, the downside of described No. five spacing roofbolts 80301 is provided with banking stop 80305 No. five, the lower end of No. five spacing roofbolts 80301 is connected with kingpin head 80308 through No. five housing caps 80302, the upper end of No. five spacing roofbolts 80301 is positioned on the inclined-plane 801, No. five, upper end of air outlet locating rack 8 through No. five holes 802, the upside of No. five spacing roofbolts 80301 is provided with limit position Transverse post 80307 No. five, and No. five Xian Wei Transverse post 80307 is positioned at L-type hole 80306 No. five, because the air outlet on fascia board girder and the angle between horizontal plane are 65 °, angle between No. five spacing roofbolts 80301 and horizontal plane is also made as 65 °, between described No. five banking stops 80305 and No. five housing caps 80302, be provided with spring 80303 No. five, by pulling out kingpin head 80308, No. five spacing roofbolts 80301 can be pulled out, No. five Xian Wei Transverse posts 80307 are pulled to the flex point place in No. five L-type holes 80306, then rotating No. five spacing roofbolts 80301 can proceed to No. five limit position Transverse posts 80307 in the lateral part in No. five L-type holes 80306, thereby the upper end of No. five spacing roofbolts 80301 is shunk downwards, the location of releasing to the air outlet on fascia board girder, otherwise, the place of part longitudinally by No. five limit position Transverse post 80307 rotations on No. five spacing roofbolts 80301 to No. five L-type holes 80306, under the effect of No. five springs 80303, No. five banking stops 80305 promote No. five spacing roofbolts 80301 and protrude upward, thereby the air outlet on fascia board girder is positioned.

Described PAB mounting bracket clamping frame 9 comprises support 901 No. six; The upper end of described No. six supports 901 is No. six inclined-planes 909; On described No. six inclined-planes 909, be fixed with air cylinder group 902 No. six; The top of described No. six air cylinder group 902 is provided with link 904 No. six; The front end of described No. six links 904 is provided with for placing No. six cushion blocks 908 of PAB mounting bracket; The upper-end front that the upper rear of described No. six links 904 is connected with 903, No. six links 904 of No. six cylinders by hinged mode is connected with pressure rack 905 No. six by hinged mode; The cylinder axis of described No. six cylinders 903 is connected in No. six pressure racks 905 by hinged mode; The left and right sides, front end bottom of described No. six pressure racks 905 is equipped with No. six paws 906 for compression clamping PAB mounting bracket; Described No. six paws 906 and No. six 905 of pressure racks are all separated with for adjusting No. six pressure pad sheets 907 of No. six paw 906 height.

Described left crossbeam clamping frame 4a and right crossbeam clamping frame 4b are symmetrical about the axis of clamping bench 1, play the effect of symmetric support clamping fascia board girder.

Described crossbeam right side bracket assembly clamping frame 11 comprises support 1101 No. seven; The right-hand member top that the right-hand member bottom of described No. seven supports 1101 is connected with 1107, No. seven supports 1101 of No. seven cylinders by hinged mode is connected with pressure rack 1106 No. seven by hinged mode; The bottom of described No. seven pressure racks 1106 is connected on the cylinder axis of No. seven cylinders 1107 by hinged mode, the both sides, front and back, left end bottom of No. seven pressure racks 1106 are equipped with 1105, No. seven pressure racks 1106 of No. seven paws and No. seven 1105 of paws are all separated with pressure pad sheet 1104 No. seven; The left side of described No. seven supports 1101 is fixed with air cylinder group 1102 No. seven; The upper end of described No. seven air cylinder group 1102 is provided with cushion block 1103 No. seven; Described No. seven air cylinder group 1102 can be used for regulating the height of No. seven cushion blocks 1103, thereby regulate the height of crossbeam right side bracket assembly, to coordinate paw 1105 clamping crossbeam right side bracket assemblys No. seven.

More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims

1. a weld jig for fascia board girder assembly, comprises clamping bench, it is characterized in that: the two ends, left and right of described clamping bench are respectively provided with a fixed mount, and the left side of clamping bench is provided with crossbeam left side brackets assembly clamping frame; Described crossbeam left side brackets assembly clamping frame right-hand is provided with left crossbeam clamping frame; The right front of described left crossbeam clamping frame is provided with mounting bracket assembly clamping frame under steering column, and the right back of left crossbeam clamping frame is provided with mounting bracket clamping frame on steering column; On described steering column, mounting bracket clamping frame right front is provided with middle discharge pipe mounting bracket clamping frame; In the middle of described, discharge pipe mounting bracket clamping frame right back is provided with air outlet locating rack; The right-hand glove box internal box mounting bracket clamping frame that is provided with of described air outlet locating rack; The rear of described glove box internal box mounting bracket clamping frame is provided with PAB mounting bracket clamping frame, and described glove box internal box mounting bracket clamping frame right-hand is provided with right crossbeam clamping frame; The right-hand crossbeam right side bracket assembly clamping frame that is provided with of described right crossbeam clamping frame.

2. the weld jig of a kind of fascia board girder assembly according to claim 1, is characterized in that: described crossbeam left side brackets assembly clamping frame comprises support No. one; The upper end of a described support is provided with platform No. one; Before and after the upper surface of a described platform both sides respectively correspondence be provided with cushion block after front pods, No.; The left front of the described front pods piece of transposing before being provided with No., the front end of a front pods, left end, lower end are equipped with front pad No. one; The piece of transposing after the left back of cushion block is provided with No. one after described No. one, pad after rear end, left end, the lower end of cushion block is equipped with No. after No.; The hinged mode that passes on left of a described support is connected with cylinder No. one, and the upper left side of a support is connected with pressure rack No. one by hinged mode; The lower end of a described pressure rack is connected to by hinged mode on the cylinder axis of a cylinder, paw after both sides paw before correspondence is provided with No. respectively before and after the right-hand member of a pressure rack, No.; Claw pad sheet before being provided with No. one between paw and a pressure rack before described No. one; Claw pad sheet after being provided with No. one between paw and a pressure rack after described No. one.

3. the weld jig of a kind of fascia board girder assembly according to claim 1, is characterized in that: described left crossbeam clamping frame comprises support No. two; The top of described No. two supports is provided with Upper gasket No. two, and is provided with V-type jacking block No. two above No. two Upper gaskets, and the rear portion of No. two supports is connected with cylinder No. two by hinged mode, and the upper back of No. two supports is connected with pressure rack No. two by hinged mode; The rear end of described No. two pressure racks is connected to by hinged mode on the cylinder axis of No. two cylinders, and the front lower ends of No. two pressure racks is by being provided with lower gasket No. two; Described No. two lower gasket lower ends are provided with briquetting No. two.

4. the weld jig of a kind of fascia board girder assembly according to claim 1, is characterized in that: under described steering column, mounting bracket assembly clamping frame comprises support No. three; The arranged on left and right sides of described No. three supports is equipped with riser No. three, and the rear portion arranged on left and right sides of No. three supports is equipped with lower block No. three; The upper end of described No. three lower blocks is provided with inclined-plane, and on inclined-plane, is equipped with lower stop piece No. three; The upper surface of described No. three risers is also inclined-plane, and the inclined-plane of No. three riser upper ends is perpendicular to the inclined-plane of No. three lower block upper ends, between No. three risers, be provided with No. three lower cylinders that are simultaneously parallel to No. three riser upper surfaces and No. three risers, No. three riser upper surface is equipped with glide path No. three; On described No. three glide paths, all cover has sliding block No. three; The top of described No. three sliding blocks is equipped with No. three lower guide cards that are parallel to No. three lower cylinders, and the upper end of No. three sliding blocks is connected with under No. three dull and stereotyped; The described No. three lower guide cards groove that dull and stereotyped bottom is provided with from No. three passes; Front end below dull and stereotyped under described No. three is connected on the cylinder axis of No. three lower cylinders by hinged mode, rear end dull and stereotyped under No. three is against on No. three lower stop pieces, riser before dull and stereotyped upper front end is connected with No. three under No. three, upper surface dull and stereotyped under No. three is provided with No. three horizontal middle slideway, middle part dull and stereotyped under No. three is provided with medium-height trestle No. three, and No. three medium-height trestles are across the top of No. three middle slideway; The left and right two ends of described No. three middle slideway are equipped with block in No. three, and the left side of No. three middle slideway, the corresponding cover in right side have No. three left balladeur trains, No. three right balladeur trains; The front end of described No. three left balladeur trains is connected with left push rod No. three, and the inside of No. three left balladeur trains is embedded with cylinder in No. three, and in No. three, the cylinder axis top of cylinder is connected on No. three right balladeur trains, and the top, right side of No. three left balladeur trains is provided with Zuo Ding hole frame No. three; Lower surface, the front end face of described No. three Zuo Ding hole framves is equipped with Zuo Ding hole pad No. three, and the right-hand member of No. three Zuo Ding hole framves is provided with No. three left sides and determines Kong Zhu; The top, left side of described No. three right balladeur trains is provided with You Ding hole frame No. three, is fixed with right push rod on the front end face of No. three right balladeur trains No. three; Front end face, the lower surface of described No. three You Ding hole framves is equipped with You Ding hole pad No. three, and the left side of No. three You Ding hole framves is provided with No. three right sides and determines Kong Zhu; The left and right sides of described No. three medium-height trestles is equipped with limited block No. three, and the top of No. three medium-height trestles is provided with locating rack No. three, and the front end face of No. three locating racks be fixedly connected on No. three before on riser; In left and right, the rear portion both ends of the surface of described No. three locating racks, be equipped with No. three locating pieces and No. three locating shims, locating piece after the rear portion upside of No. three locating racks is provided with No. three; Locating shim after being provided with No. three between locating piece and No. three locating racks after described No. three; Before described No. three, the top rear end face of riser is provided with upper fixing hole frame No. three; The arranged on left and right sides correspondence of described No. three upper fixing hole frame rear end faces is provided with No. three left upper fixing hole pieces, No. three right upper fixing hole pieces; On the left side of described No. three left upper fixing hole pieces, lower surface, front end face, be equipped with left upper fixing hole pad No. three, the rear end face of No. three left upper fixing hole pieces is provided with left upper fixing hole post No. three; On the right side of described No. three right upper fixing hole pieces, lower surface, front end face, be equipped with right upper fixing hole pad No. three, the rear end face of No. three right upper fixing hole pieces is provided with right upper fixing hole post No. three.

5. the weld jig of a kind of fascia board girder assembly according to claim 1, is characterized in that: on described steering column, mounting bracket clamping frame comprises support No. four; The middle part of described No. four supports is provided with lower cylinder No. four, and left and right two inner sides of No. four supports are equipped with lower cushion block No. four, and left and right two upper surfaces of No. four supports are equipped with slideway No. four; On described No. four slideways, all cover has balladeur train No. four; Described No. four balladeur trains top is equipped with guide card No. four, and No. four balladeur train upper end is fixed with flat board under No. four, and No. four guide cards pass the groove that under No. four, dull and stereotyped lower surface is provided with; Described No. four lower cylinders are connected on lower surface dull and stereotyped under No. four, and the cylinder axis of No. four lower cylinders is connected with fore-stock No. four; Fore-set before the upper end of described No. four fore-stocks is provided with No. four; Before described No. four, the upper end of fore-set is provided with front top plate No. four, and No. four front top plates are inverted v-shaped, and the centre of fore-set is provided with front air cylinder No. four before No. four; Described No. four front air cylinders are provided with No. four prelocalizations nail; Under described No. four, in the middle part of front side, dull and stereotyped upper surface, be provided with No. four and determine hole piece, and determine between flat board, to be provided with No. four under hole piece and No. four for No. four and determine hole pad, determine to be provided with No. four in the piece of hole for No. four and determine Kong Ding, and the rear end of determining Kong Ding for No. four is provided with No. four and determines hole nut, determine hole piece arranged on left and right sides correspondence for No. four and be provided with No. four Zuo Ding hole pieces, No. four You Ding hole pieces; Under described No. four Zuo Ding hole pieces and No. four, between flat board, be provided with Zuo Ding hole pad No. four; Under described No. four You Ding hole pieces and No. four, between flat board, be provided with You Ding hole pad No. four; Rear end face dull and stereotyped under described No. four is fixed with air cylinder group No. four; The top of described No. four air cylinder group is provided with upper plate No. four; The left side, upper surface of described No. four upper plates is separated with No. four upper left pads and is provided with upper left jacking block No. four; The right side, upper surface of described No. four upper plates is separated with No. four upper right pads and is provided with upper right jacking block No. four, and No. four upper right jacking blocks and No. four upper left jacking blocks symmetrical about the axis of No. four upper plates; Described No. four upper left jacking blocks and No. four upper right jacking blocks are L-type piece, and the top of No. four upper left jacking blocks and No. four upper right jacking blocks is inclined-plane.

6. the weld jig of a kind of fascia board girder assembly according to claim 1, it is characterized in that: the upper end of described air outlet locating rack is provided with inclined-plane No. five, and No. five inclined-plane is provided with hole No. five, is fixed with alignment pin on the lower surface on No. five inclined-planes No. five; Described No. five alignment pins comprise pin shell No. five; The mode that the lower end of described No. five pin shells is threaded connection is connected with housing cap No. five, and No. five pin shell both sides are provided with No. five L-type holes about the median centre symmetry of No. five pin shells, are provided with No. five spacing roofbolt in No. five pin shells; The downside of described No. five spacing roofbolts is provided with banking stop No. five, the lower end of No. five spacing roofbolts is connected with kingpin head through No. five housing caps, the upper end of No. five spacing roofbolts is positioned on the inclined-plane, No. five, upper end of air outlet locating rack through No. five holes, the upside of No. five spacing roofbolts is provided with limit position Transverse post No. five, and No. five a limit position Transverse post is positioned at L-type hole No. five, the angle between No. five spacing roofbolts and horizontal plane is 65 °; Between described No. five banking stops and No. five housing caps, be provided with spring No. five.

7. the weld jig of a kind of fascia board girder assembly according to claim 1, is characterized in that: described PAB mounting bracket clamping frame comprises support No. six; The upper end of described No. six supports is No. six inclined-planes; On described No. six inclined-planes, be fixed with air cylinder group No. six; The top of described No. six air cylinder group is provided with link No. six; The front end of described No. six links is provided with cushion block No. six; The upper rear of described No. six links is connected with cylinder No. six by hinged mode, and the upper-end front of No. six links is connected with pressure rack No. six by hinged mode; The cylinder axis of described No. six cylinders is connected in No. six pressure racks by hinged mode; The left and right sides, front end bottom of described No. six pressure racks is equipped with paw No. six; Between described No. six paws and No. six pressure racks, be all separated with pressure pad sheet No. six.

8. the weld jig of a kind of fascia board girder assembly according to claim 1, is characterized in that: described left crossbeam clamping frame and right crossbeam clamping frame are symmetrical about the axis of clamping bench.

9. the weld jig of a kind of fascia board girder assembly according to claim 1, is characterized in that: described crossbeam right side bracket assembly comprises support No. seven; The right-hand member bottom of described No. seven supports is connected with cylinder No. seven by hinged mode, and the right-hand member top of No. seven supports is connected with pressure rack No. seven by hinged mode; The bottom of described No. seven pressure racks is connected to by hinged mode on the cylinder axis of No. seven cylinders, and before and after the left end bottom of No. seven pressure racks, both sides are equipped with paw No. seven, between No. seven pressure racks and No. seven paws, are all separated with pressure pad sheet No. seven; The left side of described No. seven supports is fixed with air cylinder group No. seven; The upper end of described No. seven air cylinder group is provided with cushion block No. seven.