CN108381054A - A kind of tramcar M car body general assembly toolings and its technique - Google Patents
A kind of tramcar M car body general assembly toolings and its technique Download PDFInfo
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- CN108381054A CN108381054A CN201810482455.XA CN201810482455A CN108381054A CN 108381054 A CN108381054 A CN 108381054A CN 201810482455 A CN201810482455 A CN 201810482455A CN 108381054 A CN108381054 A CN 108381054A
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- tool component
- side wall
- car body
- clamping
- chassis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses the second tool components of the first tool component and setting bottom girder both ends in the middle part of a kind of tramcar M car bodies general assembly tooling, including bottom girder, setting bottom girder；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；Second tool component includes the column support being connect with bottom girder and can be along the adjustable shelf that bottom girder axially slides.According to technological requirement, chassis is properly positioned first, reassembles both walls, then assembles ceiling, back-end wall and preceding end-rack successively.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, thermal deformation and welding postcooling contraction distortion in welding process can effectively be inhibited, to complete car body general assembly process.
Description
Technical field
The present invention relates to car body general assemblies, more particularly, to a kind of tramcar M car body general assembly toolings and its technique.
Background technology
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
Ensure that its dimensional discrepancy is minimum.
The prior art fails preferably positioning and clamping in car body welding process, is filled without positioning and clamping or positioning
It presss from both sides not in place so that thermal deformation and welding postcooling contraction distortion, each component are equipped with relatively large deviation in welding process.
Invention content
In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a kind of tramcar M car body general assembly toolings and
Its technique effectively inhibits thermal deformation and welding postcooling contraction distortion in welding process.
The present invention be solve its technical problem the technical solution adopted is that：
The first tool component in the middle part of a kind of tramcar M car bodies general assembly tooling, including bottom girder, setting bottom girder and setting
Second tool component at bottom girder 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；Second tool component includes the column support being connect with bottom girder and can be along bottom girder
The adjustable shelf axially slid；The bottom girder is provided with the first sliding groove, and the first sliding groove is for controlling the second tool component along bottom girder axis
To translation.
Another specific implementation mode according to the present invention, further has, the adjustable shelf be provided with several support elements and
Several first casting dies, support element and the first casting die are respectively used to the outer wall and inner wall of connection body side wall, support element and the first pressure
Part is provided commonly for clamping vehicle body side wall.
Another specific implementation mode according to the present invention, further has, and first casting die includes connecting rod, connects respectively
It is connected on the slide bar and the first compression bar at connecting rod both ends, the connector of slide bar and connecting rod is L-shaped；Adjustable shelf is provided with through-hole, sliding
Bar is accommodating in through-holes, and slide bar can axially slide around its axial rotation and along it, and the first compression bar is separate or close when slide bar slides
Adjustable shelf, the first compression bar are threadedly coupled with connecting rod；The threaded connection of first compression bar and connecting rod, for driving the first compression bar to support
Connect the inner wall of vehicle body side wall.
Another specific implementation mode according to the present invention, further has, and the length direction of the support element is longitudinal, bottom
The axial direction of beam is laterally；Support element abuts car body side wall by long side.
Another specific implementation mode according to the present invention, further has, and the support element includes connected jacking block and company
Block is connect, jacking block and link block are respectively used to the inner wall and adjustable shelf of connection body side wall；Jacking block and link block are bolted, jacking block
And in link block one be provided with positioning hole；When bolt looseness, bolt can be slid in positioning hole and jacking block can adjust it
The protruding length of opposite link block.
Another specific implementation mode according to the present invention, further has, and the first tool component includes being used for positioning and clamping
The support post of end-rack before car body；Support post is provided with positioning pin and mandril, and positioning pin is positioned for end-rack before controlling car body
Positioning pin, mandril is threadedly coupled with support post；Mandril is threadedly coupled with support post, for abutting before car body under end-rack
End.
Another specific implementation mode according to the present invention, further has, and first tool component includes several is used for
The third casting die of clamping vehicle body bottom frame；The connecting lever and be threaded in that the third casting die includes pedestal, is arranged on pedestal
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, third pressure
Bar and the common clamping vehicle body bottom frame of pedestal.
A kind of railcar train M car body total coating process, includes the following steps：
Step a, vehicle body bottom frame are placed on the first tool component, and the first tool component is to vehicle body bottom frame positioning and clamping；It is fixed
Position block is for controlling vehicle body bottom frame positioning, third compression bar and pedestal clamping vehicle body bottom frame；
End-rack before car body is placed on the first tool component by step b by crane, the level of end-rack before jack adjustment
Degree, the first tool component 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 and chassis
Welding；
Step c, several columns on side wall are clamped on the second tool component and the joint face pair of several columns and chassis
It should connect；Support element and the first casting die abut the outside and inside of column respectively, and chassis is welded with several columns；
The joint face of step d, ceiling and side wall is correspondingly connected with, the second tool component clamping ceiling；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 both sides is kept fixed distance, rear end
Chassis, side wall and ceiling is respectively welded in wall.
Another specific implementation mode according to the present invention, further has, in the step b, according to vehicle body bottom frame
It position on one tool component and requires chassis to position with preceding end-rack to assemble, support post horizontal sliding and/or straight skidding,
It adjusts the position of support post, adjust the spacing between several support posts；On support post, the spiral shell of end-rack before positioning pin alignment
Pit, mandril abut end-rack before car body upwards.
Another specific implementation mode according to the present invention, further has, in the step c, according to vehicle body bottom frame
It position on one tool component and requires side wall to position with chassis to assemble, adjustable shelf drives support element and the first casting die laterally sliding
It moves, rotates the first casting die, side wall and chassis positioning assembly and support element and the first casting die clamping side wall.
A kind of tramcar M car body general assembly toolings and its technique that the present invention uses, have the advantages that：Car body
In general assembly, chassis and preceding end-rack of first tool component for clamping car body, the second tool component are used for the side wall of clamping car body
And ceiling, end-rack, chassis, side wall, ceiling and back-end wall position between any two assembles secured, assembly precision height, can effectively press down
Thermal deformation and welding postcooling contraction distortion in welding process processed, to complete car body general assembly process.
Description of the drawings
Fig. 1 is the side view of the present invention；
Fig. 2 is the exploded view of side view angle of the present invention；
Fig. 3 is the front view of the present invention；
Fig. 4 is the front view of adjustable shelf of the present invention；
Fig. 5 is the front view of the first tool component of the invention；
Fig. 6 is the exploded view of the second tool component side view angle of the invention；
Fig. 7 is the connection diagram of bottom girder of the present invention and column support main view angle；
Fig. 8 is partial enlarged view at the A of Fig. 7 of the present invention；
Fig. 9 is the structural schematic diagram of bottom girder main view angle of the present invention；
Figure 10 is the structural schematic diagram of third casting die main view angle of the present invention；
Figure 11 is the structural schematic diagram of support post of the present invention；
Figure 12 is the front view of support element of the present invention；
Figure 13 is the side view of support element of the present invention；
Figure 14 is the exploded view of the second casting die of the invention；
Figure 15 is the exploded view of the first casting die of the invention.
Specific implementation mode
The specific implementation mode of the present invention 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 bodies general assembly tooling, including bottom girder 1, setting bottom girder 1 middle part the
Second tool component 3 at 1 both ends of one tool component 2 and setting bottom girder；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 girder 1 it is vertical
Pylon 31 and can be along the adjustable shelf 32 that bottom girder 1 axially slides.
As shown in Figure 3 and Figure 5, bottom girder 1 includes at least two side by side, and bottom girder 1 is provided with the first sliding groove 11 along its axial direction；
First tool component 2 and column support 31 connect the first sliding groove 11, and the first tool component 2 and column support 31 can be along the axis of bottom girder 1
To sliding.The axial direction of bottom girder 1 is laterally that the first tool component 2 and column support 31 can transversely slide.
The car body of the present invention includes preceding end-rack, chassis, side wall, ceiling and back-end wall.It is in the general assembly of car body, these are big
Component is properly positioned and clamps, and end-rack, chassis, side wall, ceiling and back-end wall position between any two assembles secured, assembly precision
Height can effectively inhibit thermal deformation and welding postcooling contraction distortion in welding process, 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 being connect with bottom girder 1
Column support 31 and the adjustable range of vehicle width direction can be increased along the adjustable shelf 32 that bottom girder 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 girder 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 girder 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, the first sliding groove 11 are inverted T-type；It is also good to subtract
Shaking property ensures the precision of each positioning parts clamping of car body.
As shown in Fig. 3, Fig. 7 to Fig. 9, bottom girder 1 is provided with the 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；The first sliding groove 11 is for controlling the second tool component 3 along 1 axial translation of bottom girder.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.
Column support 31 also connects the first sliding groove 11 by lock piece；The first sliding groove 11 is in inverted T-type, and lock piece abuts the
When the wall surface of one sliding slot 11, the sliding of column support 31 is locked up.Lock piece is the briquetting being accommodated in the first sliding groove 11, and briquetting is logical
Bolt is crossed to connect with column support 31；When bolt tightens, the upper end of the lower end of column support 31 and briquetting cramping T-type the 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 being connect with adjustable shelf 32 and is arranged in column support
Pilot hole on 31, pilot hole is for housing 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 is hinged with adjustable shelf 32, 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 leading screw, nut be connected on adjustable shelf 32 and with
Lead screw transmission connects.
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 frames 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 working at height, therefore stair are connected on the first tool component 2 of both 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 job for demonstrate,proving car body is convenient, ensures operator's safety.
As shown in figs. 1,2 and 6, adjustable shelf 32 is provided with several support elements 34 and several first casting dies 35, support element
34 and first casting die 35 be respectively used to the outer wall and inner wall of connection body side wall, support 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 slide bar 35a at end and the connector of 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 accommodating in through-holes, and slide bar 35a can axially slide around its axial rotation and along it, the first compression bar when slide bar 35a slides
35c far from or close to adjustable shelf 32, i.e. when slide bar 35a slides the first compression bar 35c closer 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, and the pressures of connecting rod 35b and first are can avoid 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 dismounting.Side wall is the holder 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 ensures 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 can drive support element 34 and the first casting die 35 whole close to car body side
Wall makes the second tool component 3 be suitable for the car body of different in width；First casting die 35 can drive its first casting die 35 separate and lean on
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 be rotated in connecting rod 35b, side
Just tighten or unscrew the first compression bar 35c；When the first compression bar 35c rotations, 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 support element 34 is longitudinal, and the axial direction of bottom girder 1 is laterally；Support element 34 is logical
It crosses long side and abuts car body side wall；Behind the longitudinally adjusted parts position of car body side wall upper edge, support element 34 can abut the parts.
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 support element 34 is longitudinal, support element
34 abut the outer wall of vehicle body side wall by long side, ensure clamping position along longitudinal direction after trim locations, support 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, support element 34 includes connected jacking block 34a and link block 34b, 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 be slid in positioning hole and jacking block 34a can be adjusted
Its whole protruding length with respect to link block 34b.Adjustable shelf 32 can drive support element 34 and the first casting die 35 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 flexible connections, the other end are 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 above 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 precessions 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,
Lower end for abutting end-rack before car body.The rack-mounted difficulty matched in front end is to position, and need to ensure center, height and the water of front end
It is flat, therefore two support posts 22 for carrying mandril 22b and positioning pin 22a are devised in Vehicular body front, mandril 22b can be controlled
Lifting, the threaded hole of end-rack before positioning pin 22a alignments, it is ensured that center and height；It is lifted, can be adjusted by mandril 22b
The level of preceding end-rack.
As shown in Fig. 1 to Fig. 3, Fig. 5, the first tool component 2 includes the longeron 23 being arranged on bottom girder 1, is arranged in longeron
Crossbeam 24 on 23, support post 22 are arranged on crossbeam 24；The axial direction of bottom girder 1 is that laterally, bottom girder 1 is provided with company along its axial direction
The first sliding groove 11 of longeron 23 is connect, the first sliding groove 11 is for controlling 22 horizontal sliding of support post；Longeron 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 frames of pedestal 21a.
As shown in Figure 10, pedestal 21a is connect by two removable axis pins with connecting lever 21b, and two axis pins are setting up and down；It tears open
When unloading one of axis pin, connecting lever 21b can be swung around another axis pin.It is more then left to lower swing when connecting lever 21b is rotated around axis pin
Right stretching, extension is longer, the placement of more easy blocking vehicle body bottom frame；It selects to rotate around different axis pins, connecting lever 21b and third compression bar
The space that 21c is rotated differs.Vehicle body bottom frame is the holder 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, selects the axis pin to be dismantled, the swing angle of selection connecting lever 21b；After car body is packed into, turn
Arm 21b resets and two axis pins are all connected with connecting lever 21b；Third compression bar 21c precessions 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 railcar train M 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, ensures that side wall can be along cross
It positions and assembles with chassis after to movement, side wall clamping；And support element 34 abuts side wall outer wall with long side, the first casting die 35 can turn
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 is assembled with chassis positioning.
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 dynamic around vertical shaft rotation, ensure that ceiling can position assembly transversely and after longitudinal movement, ceiling clamping with side wall.
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 frames；
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 adjustment
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；Support element 34 and the first casting die 35 abut the outside and inside of column respectively, and chassis is welded with several columns；
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 both 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 to position with preceding end-rack to fill
Match, 22 horizontal sliding of support post and/or straight skidding, adjust the position of support post 22, several support posts of adjustment 22 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 alignments.
In step c, according to position of the vehicle body bottom frame on the first tool component 2 and require side wall to position with chassis to assemble,
Adjustable shelf 32 drives support element 34 and 35 horizontal sliding of the first casting die, rotates the first casting die 35, side wall and chassis positioning assembly and
35 clamping side wall of support 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 is assembled with ceiling positioning, swing rod 36a bands
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 both sides of car body；Two back-end walls are supported by rock,
The distance between back-end wall is according to technological requirement.
The above embodiments are merely illustrative of the technical solutions of the present invention and is not intended to limit it, all without departing from the present invention
Any modification of spirit and scope or equivalent replacement, shall fall within the scope of the technical solution of the present invention.
Claims (10)
1. a kind of tramcar M car bodies general assembly tooling, which is characterized in that including first in the middle part of bottom girder (1), setting bottom girder (1)
Tool component (2) and the second tool component (3) that bottom girder (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；Second tool component (3)
Include the column support (31) being connect with bottom girder (1) and can be along the adjustable shelf (32) that bottom girder (1) axially slides；The bottom girder (1)
It is provided with the first sliding groove (11), the first sliding groove (11) is for controlling the second tool component (3) along bottom girder (1) axial translation.
2. a kind of tramcar M car bodies general assembly tooling according to claim 1, which is characterized in that the adjustable shelf (32)
It is provided with several support elements (34) and several first casting dies (35), support element (34) and the first casting die (35) are respectively used to connection vehicle
The outer wall and inner wall of side wall, support element (34) and the first casting die (35) are provided commonly for clamping vehicle body side wall.
3. a kind of tramcar M car bodies general assembly tooling according to claim 2, which is characterized in that first casting die
(35) include connecting rod (35b), be connected to the slide bar (35a) and the first compression bar (35c) at the both ends connecting rod (35b), slide bar
(35a) and the connector of connecting rod (35b) are L-shaped；Adjustable shelf (32) is provided with through-hole, and slide bar (35a) is accommodating in through-holes, sliding
Bar (35a) can axially slide around its axial rotation and along it, and the first compression bar (35c) is separate or close living when slide bar (35a) slides
Moving frame (32), the first compression bar (35c) are threadedly coupled with connecting rod (35b)；The screw thread of first compression bar (35c) and connecting rod (35b)
Connection, for driving the first compression bar (35c) to abut the inner wall of vehicle body side wall.
4. a kind of tramcar M car bodies general assembly tooling according to claim 2, which is characterized in that the support element (34)
Length direction be longitudinal, the axial direction of bottom girder (1) is laterally；Support element (34) abuts car body side wall by long side.
5. a kind of tramcar M car bodies general assembly tooling according to claim 2 or 3, which is characterized in that the support element
(34) include connected jacking block (34a) and link block (34b), jacking block (34a) and link block (34b) are respectively used to connection body side
The inner wall and adjustable shelf (32) of wall；Jacking block (34a) and link block (34b) are bolted, in jacking block (34a) and link block (34b)
One is provided with positioning hole；When bolt looseness, bolt can slide in positioning hole and jacking block (34a) can adjust it relatively
The protruding length of link block (34b).
6. a kind of tramcar M car bodies general assembly tooling according to claim 1, which is characterized in that the first tool component (2)
It include the support post (22) for end-rack before positioning and clamping car body；Support post (22) is provided with positioning pin (22a) and mandril
(22b), positioning pin (22a) are used to control the positioning pin (22a) of end-rack positioning before car body, mandril (22b) and support post (22)
It is threadedly coupled；Mandril (22b) is threadedly coupled with support post (22), the lower end for abutting end-rack before car body.
7. a kind of tramcar M car bodies 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
The third compression bar (21c) set the connecting lever (21b) on pedestal (21a) and be threaded on connecting lever (21b)；Third compression bar
The threaded connection of (21c) and connecting lever (21b), for drive third compression bar (21c) abut vehicle body bottom frame, third compression bar (21c) and
The common clamping vehicle body bottom frame of pedestal (21a).
8. a kind of railcar train M car body total coating process, which is characterized in that include the following steps：
Step a, vehicle body bottom frame are placed on the first tool component (2), 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 level of end-rack before jack adjustment
Degree, 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 pair of several columns and chassis
It should connect；Support element (34) and the first casting die (35) abut the outside and inside of column respectively, and chassis is welded with several columns；
The joint face of step d, ceiling and side wall is correspondingly connected with, the second tool component (3) clamping ceiling；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 both sides is kept fixed distance, back-end wall point
It Han Jie not chassis, side wall and ceiling.
9. a kind of railcar train M car body total coating process according to claim 8, which is characterized in that in the step b, root
It according to position of the vehicle body bottom frame on the first tool component (2) and requires chassis to position with preceding end-rack to assemble, support post (22) is horizontal
To sliding and/or straight skidding, adjusts the position of support post (22), adjusts the spacing between several support posts (22)；Branch
It supports on column (22), the threaded hole of end-rack before positioning pin (22a) alignment, mandril (22b) abuts end-rack before car body upwards.
10. a kind of railcar train M car body total coating process according to claim 8, which is characterized in that in the step c, root
It according to position of the vehicle body bottom frame on the first tool component (2) and requires side wall to position with chassis to assemble, adjustable shelf (32) drives branch
Support member (34) and the first casting die (35) horizontal sliding, the first casting die of rotation (35), side wall and chassis positioning assembly and support element
(34) and the first casting die (35) clamping side wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810482455.XA CN108381054A (en) | 2018-05-18 | 2018-05-18 | A kind of tramcar M car body general assembly toolings and its technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810482455.XA CN108381054A (en) | 2018-05-18 | 2018-05-18 | A kind of tramcar M car body general assembly toolings and its technique |
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| CN201810482455.XA Pending CN108381054A (en) | 2018-05-18 | 2018-05-18 | A kind of tramcar M car body general assembly toolings and its technique |
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| CN111992927A (en) * | 2020-08-04 | 2020-11-27 | 中车长江车辆有限公司 | Railway wagon end wall and side wall assembling system |
| CN113427426A (en) * | 2021-08-25 | 2021-09-24 | 常州市新创智能科技有限公司 | Frock is assembled to track traffic combined material automobile body |
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