CN208408942U - A kind of tramcar M car body general assembly tooling - Google Patents

Abstract

The utility model discloses a kind of tramcar M car body general assembly tooling, the second tool component including the first tool component and setting bottom beam both ends in the middle part of bottom beam, setting bottom beam；Chassis and preceding end-rack of first tool component for clamping car body, the second tool component are used for the side wall and ceiling of clamping car body.Chassis and preceding end-rack of first tool component for clamping car body, second tool component is used for the side wall and ceiling of clamping car body, end-rack, chassis, side wall, ceiling and back-end wall position between any two assembles secured, assembly precision height, cooling meat deformation after effectively inhibiting thermal deformation in welding process and welding.

Description

A kind of tramcar M car body general assembly tooling

Technical field

The utility model relates to car body general assemblies, more particularly, to a kind of tramcar M car body general assembly tooling.

Background technique

In car body general assembly, such as train body and car body, car body have generally included chassis, ceiling, preceding end-rack, rear end Wall and side wall, side wall include several columns.Applied in dedicated track, all trains in dedicated track need train Guarantee that its dimensional discrepancy is minimum.

The prior art fails preferably positioning and clamping in car body welding process, fills without positioning and clamping or positioning Press from both sides not in place, so that cooling meat deforms after thermal deformation and welding in welding process, each component is equipped with relatively large deviation.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a kind of tramcar M car body general assembly works Dress, cooling meat deforms after effectively inhibiting thermal deformation in welding process and welding.

The utility model be solve its technical problem the technical solution adopted is that:

A kind of tramcar M car body general assembly tooling, including bottom beam, the first tool component being arranged in the middle part of bottom beam and setting Second tool component at bottom beam both ends；Chassis and preceding end-rack of first tool component for clamping car body, the second tooling group Part is used for the side wall and ceiling of clamping car body.

Another specific embodiment according to the present utility model, further has, and the bottom beam is provided with first sliding groove, stands Pylon, which is provided with, can be accommodated in the first sliding block slid in first sliding groove；First sliding groove is for controlling the second tool component the bottom of along Beam axial translation.

Another specific embodiment according to the present utility model, further has, and the column support is provided with for driving The force piece of adjustable shelf sliding.

Another specific embodiment according to the present utility model, further has, and second tool component includes and bottom Beam connection column support and can be along the adjustable shelf that bottom beam axially slides.

Another specific embodiment according to the present utility model, further has, and the force piece is hydraulic cylinder, hydraulic cylinder Shell connect with column support, the end of hydraulic cylinder piston rod is connect with adjustable shelf.

Another specific embodiment according to the present utility model, further has, and the force piece is provided with several It is a.

Another specific embodiment according to the present utility model, further has, and the bottom of the adjustable shelf is provided with rolling Wheel, idler wheel is for driving adjustable shelf to translate.

Another specific embodiment according to the present utility model, further has, and the upper end of the column support is provided with away Road, column support are connected with stair, and stair are connected with aisle.

Another specific embodiment according to the present utility model, further has, and the adjustable shelf is provided with several supports Part and several first casting dies, supporting element and the first casting die are respectively used to the outer wall and inner wall of connection body side wall, supporting element and One casting die is provided commonly for clamping vehicle body side wall.

Another specific embodiment according to the present utility model, further has, and first tool component includes several Third casting die for clamping vehicle body bottom frame；The third casting die includes that pedestal, the connecting lever being arranged on pedestal and screw thread connect Connect the third compression bar on connecting lever；The threaded connection of third compression bar and connecting lever, for driving third compression bar to abut vehicle body bottom frame, the Three compression bars and the common clamping vehicle body bottom frame of pedestal.

A kind of tramcar M car body general assembly tooling that the utility model uses, has the advantages that the general assembly of car body In, chassis and preceding end-rack of first tool component for clamping car body, side wall and top of second tool component for clamping car body Canopy, end-rack, chassis, side wall, ceiling and back-end wall position between any two assembles secured, assembly precision height, can effectively inhibit to weld In termination process thermal deformation and welding after cooling meat deform, to complete car body general assembly process.

Detailed description of the invention

Fig. 1 is the side view of the utility model；

Fig. 2 is the exploded view of the utility model side view angle；

Fig. 3 is the main view of the utility model；

Fig. 4 is the main view of the utility model adjustable shelf；

Fig. 5 is the main view of the first tool component of the utility model；

Fig. 6 is the exploded view of the second tool component of the utility model side view angle；

Fig. 7 is the connection schematic diagram of the utility model bottom beam and column support main view angle；

Fig. 8 is partial enlarged view at the A of the utility model Fig. 7；

Fig. 9 is the structural schematic diagram of the utility model bottom beam main view angle；

Figure 10 is the structural schematic diagram of the utility model third casting die main view angle；

Figure 11 is the structural schematic diagram of the utility model support post；

Figure 12 is the main view of the utility model supporting element；

Figure 13 is the side view of the utility model supporting element；

Figure 14 is the exploded view of the second casting die of the utility model；

Figure 15 is the exploded view of the first casting die of the utility model.

Specific embodiment

Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.

As shown in Figure 1 to Figure 3, a kind of tramcar M car body general assembly tooling, including bottom beam 1, setting bottom beam 1 middle part the One tool component 2 and the second tool component 3 that 1 both ends of bottom beam are set；First tool component 2 for clamping car body chassis and Preceding end-rack, the second tool component 3 are used for the side wall and ceiling of clamping car body；Second tool component 3 include connect with bottom beam 1 it is vertical Pylon 31 and can be along the adjustable shelf 32 that bottom beam 1 axially slides.

As shown in Figure 3 and Figure 5, bottom beam 1 includes arranged side by side at least two, and bottom beam 1 is provided with first sliding groove 11 along its axial direction； First tool component 2 and column support 31 connect first sliding groove 11, and the first tool component 2 and column support 31 can be along the axis of bottom beam 1 To sliding.The axial direction of bottom beam 1 is laterally that the first tool component 2 and column support 31 can transversely slide.

The car body of the utility model includes preceding end-rack, chassis, side wall, ceiling and back-end wall.In the general assembly of car body, by this A little big components are properly positioned and clamp, and end-rack, chassis, side wall, ceiling and back-end wall position between any two assembles secured, assembly essence Degree is high, and cooling meat deforms after capable of effectively inhibiting thermal deformation in welding process and welding, to complete car body general assembly process.

As shown in figs. 1,2 and 6, to adapt to a variety of models demand, the second tool component 3 includes connecting with bottom beam 1 Column support 31 and the adjustable range of vehicle width direction can be increased along the adjustable shelf 32 that bottom beam 1 axially slides.First tool component 2 And column support 31 can transversely slide, modularized design the first tool component 2, the second tool component 3 and bottom beam 1, the first work Universal fixturing is set on arrangement 2 and the second tool component 3, this tooling can be common to a variety of car bodies, reduce manufacturing cost.

Bottom beam 1 is cast iron materials, and strength grade HT20-40, hardness HB170-241 have higher intensity and hardness；Its The first sliding groove 11 of good machinability T-type easy to process, first sliding groove 11 are inverted T-type；Subtract there are also good Vibration property guarantees the precision of each positioning parts clamping of car body.

As shown in Fig. 3, Fig. 7 to Fig. 9, bottom beam 1 is provided with first sliding groove 11, and column support 31, which is provided with, can be accommodated in first The first sliding block slid in sliding slot 11；First sliding groove 11 is for controlling the second tool component 3 along 1 axial translation of bottom beam.Column support 31 include several columns, and column is square tube, cross section length >=160mm, width >=160mm, and column support 31 can effectively be born Lateral load, for installation activity frame 32, installation hydraulic device and clamping vehicle body side wall.

As shown in figs. 1,2 and 6, institute's column support 31 also connects first sliding groove 11 by lock piece；First sliding groove 11 is in Inverted T-type, when lock piece abuts the wall surface of first sliding groove 11, the sliding of column support 31 is locked up.Lock piece is to be accommodated in the Briquetting in one sliding slot 11, briquetting are connect by bolt with column support 31；When bolt tightens, the lower end of column support 31 and briquetting folder Press the upper end of T-type first sliding groove 11, the sliding of locking column support 31.

As shown in figs. 1,2 and 6, column support 31 connects adjustable shelf 32, guide rod sliding block knot by guide rod slide block structure 37 Structure 37 controls movable part directional-sliding；Guide rod slide block structure 37 includes the guide rod connecting with adjustable shelf 32 and is arranged in column support Pilot hole on 31, pilot hole is for accommodating guide rod directional-sliding.

As shown in figs. 1,2 and 6, column support 31 is provided with the force piece 33 for driving adjustable shelf 32 to slide, power Part 33 is provided with several.Force piece 33 can be cylinder body, and the shell of cylinder body is connect with column support 31, the piston rod of cylinder body and work Moving frame 32 connects.Preferably, cylinder body is hydraulic cylinder, and the shell of hydraulic cylinder is fixedly connected with column support 31, hydraulic cylinder piston rod End and adjustable shelf 32 are hinged, and Driven by Hydraulic Cylinder adjustable shelf 32 is separate or close to column support 31.Force piece 33 or motor And screw pair, motor are connected on column support 31 and are sequentially connected with lead screw, nut be connected on adjustable shelf 32 and with Lead screw transmission connection.

As shown in figs. 1,2 and 6, the bottom of adjustable shelf 32 is provided with idler wheel 32a, and idler wheel 32a is for driving adjustable shelf 32 translations.Idler wheel 32a support movable frame 32, force piece 33 push adjustable shelf 32 to translate；Adjustable shelf 32 is on column support 31 or bottom It is translated on beam 1.

The upper end of column support 31 is provided with aisle, and column support 31 is connected with stair, and stair are connected with aisle.Weld car body top When canopy or side wall upper end, it is related to high altitude operation, therefore be connected with stair on the first tool component 2 of two sides.Column support 31 On be provided with aisle, aisle is connected with stair；Operator station carries out the work such as welding on aisle, and aisle and stair are arranged, and protects The welding for demonstrate,proving car body is convenient, guarantees operator's safety.

As shown in figs. 1,2 and 6, adjustable shelf 32 is provided with several supporting elements 34 and several first casting dies 35, supporting element 34 and first casting die 35 be respectively used to the outer wall and inner wall of connection body side wall, supporting element 34 and the first casting die 35 are provided commonly for filling Press from both sides vehicle body side wall.

As shown in Figure 1, Figure 2, shown in Fig. 6 and Figure 15, the first casting die 35 includes connecting rod 35b, is connected to connecting rod 35b two The connector of the slide bar 35a at end and the first compression bar 35c, slide bar 35a and connecting rod 35b are L-shaped；Adjustable shelf 32 is provided with through-hole, Slide bar 35a is accommodated in through-holes, and slide bar 35a can axially be rotated and axially be slid along it, the first compression bar when slide bar 35a slides around it 35c far from or close to adjustable shelf 32, i.e. when slide bar 35a slides the first compression bar 35c close to or far from car body, the first compression bar 35c with Connecting rod 35b is threadedly coupled；The threaded connection of first compression bar 35c and connecting rod 35b, for driving the first compression bar 35c to abut vehicle The inner wall of side wall.First casting die 35 can be separate and close to car body, and the first casting die 35 can turn around the axial direction of slide bar 35a The connector of dynamic, slide bar 35a and connecting rod 35b is L-shaped, can avoid the pressure of connecting rod 35b and first after the rotation of the first casting die 35 Bar 35c gets to side wall on the move, and then the first casting die 35 leaves the side wall of hollow out, facilitates side wall clamping and discharges, the first pressure Part 35 and supporting block the two toolings are without disassembly.Side wall is the bracket of hollow out, and car body is packed into before tooling, the first casting die 35 Close to adjustable shelf 32, car body is facilitated to be packed into；After car body is packed into, the first casting die 35 is worn in the car body of access hollow out；According on car body The position of clamping is needed, the position for rotating the first casting die 35, the first compression bar 35c being made to be directed at the required clamping；First compression bar 35c exists Precession in connecting rod 35b, the first compression bar 35c abut the inner wall of vehicle body side wall.

On different car bodies, often there are a small amount of adjustment in the position of body post along longitudinal direction, rotatable first casting die 35 and is in L-type guarantees that the side wall of different car bodies can be by 35 clamping of the first casting die.In the assembling process of vehicle body side wall and chassis, chassis After on clamping to the first tool component 2, the clamping position of chassis has variation and needs the rigging position of longitudinally adjustable side wall, Rotatable first casting die 35 and L-shaped, it is longitudinally adjusted after side wall can be well by positioning and clamping.

As shown in figs. 1,2 and 6, adjustable shelf 32 is able to drive supporting element 34 and the first casting die 35 is whole close to car body side Wall makes the second tool component 3 be suitable for the car body of different in width；It is separate and lean on that first casting die 35 is able to drive its first casting die 35 Nearly car body, while facilitating car body to load and unload, the first casting die 35, which can be suitable for vehicle body side wall, has the case where different concaveconvex structures. Due to the concaveconvex structure of vehicle body side wall, required installation site has variation, the first casting die with respect to 32 distance of adjustable shelf on vehicle body side wall 35 being capable of flexible adaptation.

First compression bar 35c is connected with wrench element, and wrench element is for driving the first compression bar 35c to rotate in connecting rod 35b, side Just tighten or unscrew the first compression bar 35c；When first compression bar 35c is rotated, the first compression bar 35c is extended or retracted with respect to connecting rod 35b.

As shown in Figure 3 and Figure 4, the length direction of supporting element 34 is longitudinal, and the axial direction of bottom beam 1 is laterally；Supporting element 34 is logical It crosses long side and abuts car body side wall；On car body side wall behind longitudinally adjustable components position, supporting element 34 can abut the components. On different car bodies, often there are a small amount of adjustment in the position of body post along longitudinal direction, and the length direction of supporting element 34 is longitudinal, supporting element 34 abut the outer wall of vehicle body side wall by long side, guarantee clamping position along longitudinal direction after trim locations, supporting element 34 by it is upper not With position clamping vehicle body side wall, these different vehicle body side walls can be supported 34 clamping of part.

As shown in Figure 12 and Figure 13, supporting element 34 includes the jacking block 34a and link block 34b being connected, jacking block 34a and link block 34b is respectively used to the inner wall and adjustable shelf 32 of connection body side wall；Jacking block 34a and link block 34b are bolted, jacking block 34a and One is provided with positioning hole in link block 34b；When bolt looseness, bolt can slide in positioning hole and jacking block 34a can be adjusted Its whole protruding length with respect to link block 34b.Adjustable shelf 32 is able to drive supporting element 34 and the first casting die 35 is whole close to car body Side wall makes the second tool component 3 be suitable for the car body of different in width；Jacking block 34a can adjust its protruding out with respect to link block 34b Length, i.e. jacking block 34a can be separate and close to car bodies, and jacking block 34a, which can be suitable for vehicle body side wall, has different concaveconvex structures Situation.Due to the concaveconvex structure of vehicle body side wall, required installation site has variation, jacking block with respect to 32 distance of adjustable shelf on vehicle body side wall 34a being capable of flexible adaptation.

As shown in figs. 1,2 and 6, the upper end of adjustable shelf 32 is provided with the second casting die 36, and the second casting die 36 is used for clamping Car body ceiling.As shown in figure 14, the second casting die 36 includes swing rod 36a and the second compression bar 36b；One end of swing rod 36a and adjustable shelf 32 are flexibly connected, and the other end is threadedly coupled with the second compression bar 36b；The threaded connection of second compression bar 36b and swing rod 36a, for driving Dynamic second compression bar 36b abuts downwards car body ceiling；When swing rod 36a is rotated relative to adjustable shelf 32, the second compression bar 36b is separate or shifts To car body ceiling.Car body is packed into before tooling, and swing rod 36a is rotated and driven the second compression bar 36b close to adjustable shelf 32, side Convinent car body is packed into；After car body is packed into, the top that swing rod 36a is rotated and the second compression bar 36b is driven to be transferred to car body ceiling, and root According to the position for needing clamping on car body, the position for adjusting the rotational angle of swing rod 36a, the second compression bar 36b being made to be directed at the required clamping It sets；Second compression bar 36b precession in swing rod 36a, the second compression bar 36b abut the upper end of car body ceiling.

As shown in Fig. 1 to Fig. 3, Fig. 5, the first tool component 2 includes the support post for end-rack before positioning and clamping car body 22.As shown in Fig. 5 and Figure 11, support post 22 is provided with positioning pin 22a and mandril 22b, and positioning pin 22a is for before controlling car body The positioning pin 22a of end-rack positioning, mandril 22b are threadedly coupled with support post 22；Mandril 22b is threadedly coupled with support post 22, For abutting the lower end of end-rack before car body.The rack-mounted difficulty matched in front end is to position, and need to guarantee center, height and the water of front end It is flat, therefore two support posts 22 for having mandril 22b and positioning pin 22a are devised in Vehicular body front, mandril 22b can control Lifting, the threaded hole of end-rack before positioning pin 22a is aligned, it is ensured that center and height；It is gone up and down by mandril 22b, it is adjustable The level of preceding end-rack.

As shown in Fig. 1 to Fig. 3, Fig. 5, the first tool component 2 includes the stringer 23 being arranged on bottom beam 1, is arranged in stringer Crossbeam 24 on 23, support post 22 are arranged on crossbeam 24；The axial direction of bottom beam 1 is that laterally, bottom beam 1 is provided with company along its axial direction The first sliding groove 11 of stringer 23 is connect, first sliding groove 11 is for controlling 22 horizontal sliding of support post；Stringer 23 is axially arranged along it There is the second sliding slot of connecting cross beam 24, second sliding slot is for controlling 22 straight skidding of support post.According to end-rack before car body in work Specific location in dress, the position of integrally-regulated several support posts 22, several support posts 22 can synchronous horizontal it is mobile or Longitudinal movement.

As depicted in figs. 1 and 2, several support posts 22 are provided on crossbeam 24, crossbeam 24 is provided with connection support post 22 third sliding slot, third sliding slot is for controlling 22 horizontal sliding of support post；For support post 22 after third sliding slot, support is vertical Spacing between column 22 can be adjusted.

As shown in Figure 3 and Figure 5, the first tool component 2 includes several third casting dies 21 for clamping vehicle body bottom frame.Such as figure Shown in 5 and Figure 10, third casting die 21 includes pedestal 21a, the connecting lever 21b being arranged on pedestal 21a and is threaded in connecting lever Third compression bar 21c on 21b；The threaded connection of third compression bar 21c and connecting lever 21b, for driving third compression bar 21c to abut car body Chassis, third compression bar 21c and the common clamping vehicle body bottom frame of pedestal 21a.

As shown in Figure 10, pedestal 21a is connect by two removable pin shafts with connecting lever 21b, and two pin shafts are setting up and down；It tears open When unloading one of pin shaft, connecting lever 21b can be swung around another pin shaft.It is more then left to lower swing when connecting lever 21b is rotated around pin shaft Right stretching, extension is longer, the more easy placement for stopping vehicle body bottom frame；It selects to rotate around different pin shafts, connecting lever 21b and third compression bar The space that 21c is rotated is not identical.Vehicle body bottom frame is the bracket of hollow out, according to the position of vacancy section, selects the pin to be dismantled Axis makes the beam of vehicle body bottom frame avoid the rotation space of third casting die 21；According to the size of leakage area, the swing of connecting lever 21b is selected Angle.

Car body is packed into before tooling, the swing angle for selecting the pin shaft to be dismantled, selecting connecting lever 21b；After car body is packed into, turn Arm 21b resets and two pin shafts are all connected with connecting lever 21b；Third compression bar 21c precession in connecting lever 21b, third compression bar 21c are abutted Vehicle body bottom frame.

As shown in figure 5, one or more of several third casting dies 21 are provided with locating piece, locating piece is for controlling car body Chassis positions on the first tool component 2.

A kind of car body total coating process includes step a to e.

On the basis of the position after chassis clamping, the adjustable shelf 32 of transverse shifting is capable of in setting, guarantees that side wall can be along cross It positions and assembles with chassis after to movement, side wall clamping；And supporting element 34 can be turned with long side abutting side wall outer wall, the first casting die 35 Dynamic, i.e., side wall can move longitudinally, position and assemble with chassis after side wall clamping.

On the basis of the position after chassis clamping, setting can transverse shifting and longitudinal movement support post 22, front end Frame and chassis positioning are assembled.

After side wall is connect with chassis, on the basis of the position of side wall, third casting die 21, the swing rod 36a that can be swung are set It is rotated around vertical axis, guarantees that ceiling can position assembly with side wall transversely and after longitudinal movement, ceiling clamping.

Vehicle body bottom frame is placed on the first tool component 2 by step a by crane, and the first tool component 2 is to vehicle body bottom frame Positioning and clamping；Locating piece is for controlling vehicle body bottom frame positioning, third compression bar 21c and pedestal 21a clamping vehicle body bottom frame；

End-rack before car body is placed on the first tool component 2 by step b by crane, the water of end-rack before jack adjusts Pingdu, the first tool component 2 are to vehicle body bottom frame positioning and clamping, and the joint face of end-rack and chassis is correspondingly connected with before making, preceding end-rack with Welding of underframe；

Step c, several columns on side wall are clamped on the second tool component 3 and the joint face of several columns and chassis It is correspondingly connected with；Supporting element 34 and the first casting die 35 abut the outside and inside of column respectively, and chassis and several columns weld；

The joint face of step d, ceiling and side wall is correspondingly connected with, 3 clamping ceiling of the second tool component；Second compression bar 36b is supported Bear down on one canopy；Ceiling and sidewall welding；

Step e, back-end wall are correspondingly connected with chassis, side wall and ceiling, and the back-end wall of car body two sides is kept fixed distance, rear end Chassis, side wall and ceiling is respectively welded in wall.

In step d, ceiling is welded on the aisle of column support 31, the different location welding ceiling on aisle is not Same point.

In step b, according to position of the vehicle body bottom frame on the first tool component 2 and require chassis and preceding end-rack to position to fill Match, 22 horizontal sliding of support post and/or straight skidding, adjust the position of support post 22, several support posts 22 of adjustment it Between spacing；On support post 22, the threaded hole of end-rack, mandril 22b abut end-rack before car body upwards before positioning pin 22a is aligned.

In step c, according to position of the vehicle body bottom frame on the first tool component 2 and require side wall and chassis to position to assemble, Adjustable shelf 32 drives supporting element 34 and 35 horizontal sliding of the first casting die, rotate the first casting die 35, side wall and chassis positioning assembly and 35 clamping side wall of supporting element 34 and the first casting die.

In step d, according to position of the side wall on the second tool component 3, side wall and ceiling positioning are assembled, swing rod 36a band Dynamic second compression bar 36b rotate in place, and ceiling positioning and clamping, ceiling and side wall positioning are assembled, ceiling and sidewall welding.

In step e, there are two back-end wall settings, is connected to the two sides of car body；Two back-end walls are supported by rock, The distance between back-end wall is required according to technique.

Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model It is interior.

Claims (10)

1. a kind of tramcar M car body general assembly tooling, which is characterized in that including first in the middle part of bottom beam (1), setting bottom beam (1) Tool component (2) and the second tool component (3) that bottom beam (1) both ends are set；First tool component (2) is used for clamping vehicle The chassis of body and preceding end-rack, the second tool component (3) are used for the side wall and ceiling of clamping car body.

2. a kind of tramcar M car body general assembly tooling according to claim 1, which is characterized in that the second tooling group Part (3) includes the column support (31) connecting with bottom beam (1) and can be along the adjustable shelf (32) that bottom beam (1) axially slides.

3. a kind of tramcar M car body general assembly tooling according to claim 2, which is characterized in that bottom beam (1) setting Have first sliding groove (11), column support (31), which is provided with, can be accommodated in the first sliding block slid in first sliding groove (11)；First is sliding Slot (11) is for controlling the second tool component (3) along bottom beam (1) axial translation.

4. a kind of tramcar M car body general assembly tooling according to claim 2 or 3, which is characterized in that the column support (31) it is provided with the force piece (33) for driving adjustable shelf (32) to slide.

5. a kind of tramcar M car body general assembly tooling according to claim 4, which is characterized in that the force piece (33) Shell for hydraulic cylinder, hydraulic cylinder is connect with column support (31), and the end of hydraulic cylinder piston rod is connect with adjustable shelf (32).

6. a kind of tramcar M car body general assembly tooling according to claim 4, which is characterized in that the force piece (33) It is provided with several.

7. a kind of tramcar M car body general assembly tooling according to claim 2, which is characterized in that the adjustable shelf (32) Bottom be provided with idler wheel (32a), idler wheel (32a) for drive adjustable shelf (32) translate.

8. a kind of tramcar M car body general assembly tooling according to claim 2, which is characterized in that the column support (31) Upper end be provided with aisle, column support (31) is connected with stair, and stair are connected with aisle.

9. a kind of tramcar M car body general assembly tooling according to claim 2, which is characterized in that the adjustable shelf (32) It is provided with several supporting elements (34) and several first casting dies (35), supporting element (34) and the first casting die (35) are respectively used to connection vehicle The outer wall and inner wall of side wall, supporting element (34) and the first casting die (35) are provided commonly for clamping vehicle body side wall.

10. a kind of tramcar M car body general assembly tooling according to claim 1, which is characterized in that the first tooling group Part (2) includes several third casting dies (21) for clamping vehicle body bottom frame；The third casting die (21) includes pedestal (21a), sets It sets in the connecting lever (21b) on pedestal (21a) and the third compression bar (21c) being threaded on connecting lever (21b)；Third compression bar (21c) is threadedly coupled with connecting lever (21b), for driving third compression bar (21c) to abut vehicle body bottom frame, third compression bar (21c) and seat The common clamping vehicle body bottom frame of body (21a).