CN210359900U - Rail vehicle chassis pre-assembling tool - Google Patents
Rail vehicle chassis pre-assembling tool Download PDFInfo
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- CN210359900U CN210359900U CN201921299313.6U CN201921299313U CN210359900U CN 210359900 U CN210359900 U CN 210359900U CN 201921299313 U CN201921299313 U CN 201921299313U CN 210359900 U CN210359900 U CN 210359900U
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Abstract
The utility model belongs to the technical field of rail vehicle underframe positioning, and discloses a rail vehicle underframe pre-assembling tool, which comprises an end crossbeam, a middle crossbeam, a boundary beam positioning device, a boundary beam supporting device, a tip underframe supporting and fine-adjusting device and a small crossbeam positioning template device, wherein a boundary beam supporting seat is arranged on the left side of a fixed side boundary beam supporting longitudinal beam and the right side of a movable side boundary beam supporting longitudinal beam; the small cross beam positioning template devices are symmetrically arranged between the fixed side beam supporting longitudinal beam and the movable side beam supporting longitudinal beam; two edge beam end positioning devices are installed on the end cross beam on one side, two edge beam end jacking devices are correspondingly installed on the end cross beam on the other side, edge beam furling jacking oil cylinders are arranged on the end cross beam on the left side of the movable side beam supporting longitudinal beam and the middle cross beam, and limiting devices are installed on the end cross beam and the middle cross beam on the right side of the movable side beam supporting longitudinal beam. The utility model discloses a plurality of little crossbeams that enable vehicle chassis middle part fix a position rapidly, and is easy and simple to handle, and production efficiency improves greatly.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle chassis location, especially, relate to a rail vehicle chassis pre-assembling frock.
Background
The process flow of the current railway vehicle underframe preassembly welding is generally as follows: after the boundary beams on the two sides of the underframe are hoisted into a tool table for positioning, the boundary beams are sequentially hoisted into a plurality of small cross beams in the middle of the underframe and end part underframe to be arranged on a fixed support in the tool, and the end parts of the plurality of small cross beams in the middle are aligned, guided and spliced into the inner side lapping grooves of the fixed side beam profiles manually through marking lines on the existing boundary beam profiles; the end underframe is guided to be inserted into the groove of the same side beam profile, the end part of the side beam is aligned, the center distance between two sleeper beams of the end underframe is adjusted, then the side beam at the other side is drawn in, the other side of the small cross beam and the end underframe is inserted into the groove of the movable side sill profile, the assembly of the large part of the underframe is completed, then welding is carried out, and the pre-assembly process of each part of the underframe is completed. The positions of the small cross beams in the middle of the underframe, which are spliced at the edge beam, need process allowance in the longitudinal direction of the underframe for positioning welding so as to meet the requirement of welding shrinkage. The small cross beams are scribed and positioned in the grooves on the inner sides of the side beams, so that the precision is not high, the production efficiency is low, and the requirement of the welding process on the discharge capacity is difficult to meet.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the utility model provides a pre-assembling tool for a rail vehicle chassis, which comprises an end cross beam, a middle cross beam, a side beam positioning device, a side beam supporting device, a terminal chassis supporting fine-adjustment device and a small cross beam positioning template device, wherein the terminal chassis supporting fine-adjustment device is arranged between a fixed side beam supporting longitudinal beam and a movable side beam supporting longitudinal beam, the side beam supporting device comprises a side beam supporting seat, a fixed side beam supporting longitudinal beam and a movable side beam supporting longitudinal beam, the fixed side beam supporting longitudinal beam and the movable side beam supporting longitudinal beam are arranged in parallel, the side beam supporting seat is evenly arranged on the left side of the fixed side beam supporting longitudinal beam and the right side of the movable side beam supporting longitudinal beam at intervals, the side beam supporting seat comprises a supporting seat, a side beam positioning profiling surface, a side beam supporting surface, a side beam inner side surface abutting device and a side beam top, the supporting seat is L shape supporting seat, and the imitative face in boundary beam location is installed at the vertical partial inboard of supporting seat, and the boundary beam holding surface is installed at the supporting seat horizontal segment inboardly, and the tight device in boundary beam medial surface top is installed in the supporting seat front side, and boundary beam top closing device installs at the supporting seat upside, and boundary beam location imitative face accessible boundary beam medial surface top tight device and boundary beam top closing device make chassis boundary beam and boundary beam supporting seat laminating, and boundary beam tip positioner adds in addition realizes the accurate positioning of boundary beam.
The small cross beam positioning template device comprises a small cross beam supporting longitudinal beam, a small cross beam positioning template and a lifting cylinder, the small cross beam positioning template device is symmetrically arranged between a fixed side beam supporting longitudinal beam and a movable side beam supporting longitudinal beam, the small cross beam supporting longitudinal beam is parallel to the fixed side beam supporting longitudinal beam, the small cross beam supporting longitudinal beam is arranged on a support, the lifting cylinder is arranged on a positioning template lifting disc, a cylinder fixing seat and a cylinder, the cylinder fixing seat is evenly arranged on a vertical face of the small cross beam supporting longitudinal beam at intervals, the positioning template lifting disc is arranged at the center of the cylinder fixing seat, a positioning groove structure is arranged on the cylinder fixing seat, the cylinder is arranged below the cylinder fixing seat, the positioning template lifting disc is connected with the end of a cylinder rod, the small cross beam positioning template is arranged above the positioning template lifting disc, and a small.
The function of the small beam positioning template device is as follows: the small cross beam supporting longitudinal beam is used for supporting the small cross beam, and the upper surface of the small cross beam supporting longitudinal beam and the upper surface of the horizontal part of the edge beam supporting seat have relative height difference, so that the small cross beam and the edge beam can be conveniently and normally spliced and matched; the small beam positioning template is lifted to a working position through the lifting cylinder assembly, namely, the full stroke position of the cylinder, when the small beam positioning template is lifted by the lifting cylinder assembly, the small beam positioning template is longitudinally positioned through one end and compressed through the other end, the small beam is placed in the small beam positioning groove to realize the positioning in the vehicle length direction, one end of the small beam is manually pushed and plugged to the fixed side of the side beam, and the other end of the small beam is drawn in by the side beam to jack the oil cylinder to push and move the side beam for plugging.
The end cross beam is arranged at the front end part and the rear end part of the fixed side beam supporting longitudinal beam and the movable side beam supporting longitudinal beam, the middle cross beam is arranged between the two end cross beams, the middle cross beam and the end cross beams are arranged in parallel, the fixed side beam supporting longitudinal beam and the movable side beam supporting longitudinal beam are arranged above the middle cross beam and the end cross beams, the side beam positioning device comprises a side beam furling jacking oil cylinder, a side beam end part positioning device, a side beam end part jacking device and a limiting device, the limiting device comprises a limiting rod, a limiting seat and a locking nut arranged on the limiting rod, the limiting rod is arranged in the vertical part of the limiting seat, the side beam end part positioning device comprises a positioning plate, a positioning overturning arm and a fixing seat, the lower end of the positioning overturning arm is arranged on the fixing seat, the outer side of; the edge beam end part jacking device comprises a jacking rod, a handle, a pressure head, a pressing turnover arm, a backstop and a mounting seat, wherein the pressing turnover arm is mounted on the mounting seat; two boundary beam end positioning devices are installed on the end cross beam on one side and are located on the same straight line with the boundary beam supporting seat, two boundary beam end jacking devices are correspondingly installed on the end cross beam on the other side, boundary beam drawing and jacking oil cylinders are arranged on the end cross beam on the left side of the movable side beam supporting longitudinal beam and the middle cross beam, and limiting devices are installed on the end cross beam and the middle cross beam on the right side of the movable side beam supporting longitudinal beam.
The end cross beams and the middle cross beams play a role of basic supporting beams, support and fix the side beam supporting longitudinal beams and move the side beam supporting longitudinal beams, lift the bottom frame to a proper height, and facilitate welding among all components of the bottom frame.
When the utility model is used, after the boundary beams at the two sides of the underframe are hung into the boundary beam supporting seats for positioning, a plurality of small cross beams and two end underframe parts in the middle of the underframe are sequentially hung on the fixed supports in the tool; opening a ventilation valve switch, lifting a small beam positioning template by a lifting cylinder, sequentially placing a plurality of small beams in the middle of the platform of the underframe into small beam positioning grooves, wherein the position size of each small beam positioning groove already contains the welding process allowance, and longitudinally positioning each small beam along the length direction of the underframe; then, manually leading one end of the small cross beam into the inner side lap joint groove of the fixed side edge beam in an inserting mode; the end underframe is adjusted in place by the double-side end underframe supporting fine adjustment device, and one end of the end underframe is inserted into the lapping groove at the inner side of the fixed side beam after the center distance of the two sleeper beams is ensured; the side beam is drawn up by the side beam and tightly jacked by the oil cylinder to push the moving side beam to carry out the insertion connection of the small cross beam and the other end of the end underframe; after the vehicle width dimension is measured and guaranteed, pre-assembly work among all assemblies of the underframe is finished, and spot welding operation among all assemblies is carried out; after spot welding is completed, switching a breather valve switch, withdrawing the cylinder rod and the positioning template lifting disc, and dropping the small beam positioning template by self weight to complete the positioning action; then, the reverse full welding process among the assemblies can be carried out; and after the full welding is finished, hoisting the pre-assembled underframe to the next station to finish the relevant process requirements.
Has the advantages that: the utility model discloses a plurality of little crossbeams that enable vehicle chassis middle part are fixed a position rapidly, and easy and simple to handle, and positioning accuracy is high, even if little crossbeam location contains welding process and puts the volume, also can be accurate to 0.3mm, applicable interconversion between different motorcycle types satisfies welding process and puts the requirement of volume, and when reducing staff's little crossbeam location operation, convenient and fast, production efficiency improves greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the structure of the chassis mounted on the present invention;
FIG. 4 is a schematic view of the mounting structure of the positioning device for the end of the side beam at the end cross beam of the present invention;
FIG. 5 is a schematic view of the mounting structure of the end tightening device of the edge beam at the end cross beam of the present invention;
FIG. 6 is a schematic structural view of the positioning device for the end of the side beam of the present invention;
FIG. 7 is a schematic structural view of the side beam end tightening device of the present invention;
FIG. 8 is a schematic structural view of the limiting device of the present invention;
FIG. 9 is a schematic view of the mounting position of the side beam support seat of the present invention;
fig. 10 is a schematic view of the installation between the side beam top pressing device and the side beam support seat of the present invention;
FIG. 11 is a schematic view of the installation between the side beam inner side surface tightening device and the side beam support seat of the present invention;
FIG. 12 is a schematic view of the middle cross beam mounting structure of the present invention;
FIG. 13 is a schematic view of the structure of the small beam positioning template device of the present invention;
FIG. 14 is a schematic view of the structure of the positioning template of the small beam of the present invention;
FIG. 15 is a schematic view of the structure of the lifting cylinder of the present invention;
FIG. 16 is a schematic view of the insertion structure between the workpiece edge beam and the small cross beam of the present invention;
fig. 17 is a structural schematic view of the relative height difference between the upper surface of the small-beam support longeron and the upper surface of the horizontal portion of the side beam support seat of the present invention;
as shown in fig. 1-17: a middle cross beam 1, a movable side beam supporting longitudinal beam 2, an end cross beam 3, a fixed side beam supporting longitudinal beam 4, a small cross beam positioning template device 5, a lifting cylinder assembly 51, a small cross beam supporting longitudinal beam 52, a small cross beam positioning template 53, an end underframe supporting fine adjustment device 6, an edge beam furling and jacking oil cylinder 7, an edge beam end positioning device 8, a positioning stop 81, a fixing seat 82, a positioning turnover arm 83, a positioning plate 84, a limiting device 9, a limiting rod 91, a limiting seat 92, a locking nut 93, an edge beam supporting seat 10, a positioning template lifting plate 11, an air cylinder fixing seat 12, an edge beam end jacking device 13, a small cross beam positioning groove 14, a small cross beam 15, an edge beam 16, an edge beam top pressing device 17, a supporting seat 18, an edge beam supporting surface 19, an edge beam positioning profiling surface 20, an edge beam inner side surface jacking device 21, an underframe 22, a mounting seat 23, a pressing turnover arm 24, a jacking rod 25, A ram 26.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A pre-assembling tool for a rail vehicle chassis comprises an end cross beam 3, a middle cross beam 1, an edge beam positioning device, an edge beam supporting device, an end chassis supporting fine-tuning device 6 and a small cross beam positioning template device 5, wherein the end chassis supporting fine-tuning device 6 is arranged between a fixed side edge beam supporting longitudinal beam 4 and a moving side edge beam supporting longitudinal beam 2, the edge beam supporting device comprises an edge beam supporting seat 10, a fixed side edge beam supporting longitudinal beam 4 and a moving side edge beam supporting longitudinal beam 2, the fixed side edge beam supporting longitudinal beam 4 and the moving side edge beam supporting longitudinal beam 2 are arranged in parallel, the edge beam supporting seat 10 is uniformly arranged on the left side of the fixed side edge beam supporting longitudinal beam 4 and the right side of the moving side edge beam supporting longitudinal beam 2 at intervals, the edge beam supporting seat 10 comprises a supporting seat 18, an edge beam positioning profiling surface 20, an edge beam supporting surface 19, an edge beam inner side surface jacking device 21 and an edge, supporting seat 18 is L shape supporting seat, boundary beam location profiling face 20 is installed at 18 vertical parts inboards of supporting seat, boundary beam holding surface 19 is installed at 18 horizontal parts inboards of supporting seat, boundary beam medial surface top tight device 21 is installed in 18 front sides of supporting seat, boundary beam top closing device 17 is installed at 18 upside of supporting seat, boundary beam location profiling face 20 accessible boundary beam medial surface top tight device 21 and boundary beam top closing device 17 make chassis boundary beam 16 and boundary beam supporting seat 10 laminate, boundary beam tip positioner 8 in addition, realize boundary beam 16's accurate positioning.
The small beam positioning template device 5 comprises a small beam supporting longitudinal beam 52, a small beam positioning template 53 and a lifting cylinder assembly 51, the small beam positioning template device 5 is symmetrically arranged between the fixed side edge beam supporting longitudinal beam 4 and the moving side edge beam supporting longitudinal beam 2, the small beam supporting longitudinal beam 52 is parallel to the fixed side edge beam supporting longitudinal beam 4, the small beam supporting longitudinal beam 52 is arranged on a support, the lifting cylinder assembly 51 comprises a positioning template lifting disc 11, cylinder fixing base 12 and cylinder, 12 intervals of cylinder fixing base are evenly installed on the 52 facades of little crossbeam support longeron, and the locating template lifts that set 11 installs at 12 centers of cylinder fixing base, has the constant head tank structure on the cylinder fixing base 12, and the cylinder setting is in cylinder fixing base 12 below, and the locating template lifts that set 11 and cylinder pole tip link to each other, and little crossbeam locating template 53 is installed and is lifted set 11 tops at the locating template, is equipped with little crossbeam constant head tank 14 on little crossbeam locating template 53.
The function of the small beam positioning template device 5 is as follows: the small cross beam supporting longitudinal beam 52 is used for supporting the small cross beam 15, and the upper surface of the small cross beam supporting longitudinal beam 52 and the upper surface of the horizontal part of the edge beam supporting seat 10 have relative height difference, so that the small cross beam 15 and the edge beam 16 can be conveniently and normally inserted and matched; the small beam positioning template 53 is lifted to a working position through the lifting cylinder assembly 51, namely, the full stroke position of the cylinder, when the small beam positioning template 53 is lifted by the lifting cylinder assembly 51, the small beam positioning template 53 is longitudinally positioned through one end and compressed through the other end, the small beam 15 is placed in the small beam positioning groove 14 to realize the positioning in the vehicle length direction, one end of the small beam 15 is manually pushed and inserted to the fixed side of the side beam 16, and the other end of the small beam is drawn in by the side beam to tightly push the oil cylinder 7 to push the side beam 16 to be inserted.
The end cross beam 3 is arranged at the front end part and the rear end part of the fixed side edge beam supporting longitudinal beam 4 and the movable side edge beam supporting longitudinal beam 2, the middle cross beam 1 is arranged between the two end cross beams, the middle cross beam 1 and the end cross beam 3 are arranged in parallel, the fixed side edge beam supporting longitudinal beam 4 and the movable side edge beam supporting longitudinal beam 2 are arranged above the middle cross beam 1 and the end cross beam 3, the edge beam positioning device comprises an edge beam furling jacking oil cylinder 7, an edge beam end part positioning device 8, an edge beam end part jacking device 13 and a limiting device 9, the limiting device 9 comprises a limiting rod 91, a limiting seat 92 and a locking nut 93 arranged on the limiting rod 91, the limiting rod 91 is arranged at the vertical part of the limiting seat 92, the edge beam end part positioning device 8 comprises a positioning plate 84, a positioning turnover arm 83 and a fixing seat 82, the lower end of the positioning turnover arm 83 is arranged on the fixing seat 82, a positioning stop 81 is arranged, the edge beam end part jacking device 13 comprises a jacking rod 25, a handle, a pressure head 26, a pressing turnover arm 24, a backstop and a mounting seat 23, wherein the pressing turnover arm 24 is mounted on the mounting seat 23, the backstop is mounted on the outer side of the pressing turnover arm 24, the jacking rod 25 is mounted above the pressing turnover arm 24, the pressure head is arranged at the front end of the jacking rod 25, and the handle is arranged at the rear end of the jacking rod 25; two boundary beam end positioning devices are installed on the end cross beam on one side and are in the same straight line with the boundary beam supporting seat 10, two boundary beam end jacking devices are correspondingly installed on the end cross beam on the other side, boundary beam furling jacking oil cylinders 7 are arranged on the end cross beam 3 on the left side of the movable side boundary beam supporting longitudinal beam 2 and the middle cross beam 1, and limiting devices 9 are installed on the end cross beam 3 on the right side of the movable side boundary beam supporting longitudinal beam 2 and the middle cross beam 1.
The end cross beams 3 and the middle cross beam 1 play a role of basic supporting beams, support the fixed side edge beam supporting longitudinal beams 4 and the movable side edge beam supporting longitudinal beams 2, and lift the bottom frame 22 to a proper height, so that the welding among the components of the bottom frame 22 is facilitated.
When the utility model is used, after the boundary beams at the two sides of the bottom frame 22 are hung into the boundary beam supporting seat 10 for positioning, a plurality of small cross beams 15 and bottom frames at the two end parts in the middle of the bottom frame 22 are sequentially hung onto the fixed supports in the tool; opening a ventilation valve switch, lifting a small beam positioning template 53 by a lifting cylinder 51, sequentially placing a plurality of small beams 15 in the middle of the platform of the bottom frame 22 into the small beam positioning grooves 14, wherein the position size of each small beam positioning groove 14 already contains the welding process allowance, and longitudinally positioning each small beam 15 along the length direction of the bottom frame 22; then, manually leading one end of the small cross beam 15 into the inner side lap joint groove of the fixed side edge beam 16 in an inserting manner; the end underframe is adjusted in place by the double-side end underframe supporting fine adjustment device 6, and after the center distance of the two sleeper beams is ensured, one end of the end underframe is also inserted into the lapping groove at the inner side of the fixed side edge beam 16; the moving side edge beam 16 is pushed by the edge beam furling and jacking oil cylinder 7 to carry out the insertion connection of the other ends of the small cross beam 15 and the end underframe 22; after the vehicle width dimension is measured and ensured, the pre-assembly work among the components of the underframe 22 is completed, and the spot welding operation among the components is carried out; after spot welding is finished, switching a breather valve switch, retracting the cylinder rod and the positioning template lifting plate 11, and dropping the small beam positioning template 53 by self weight to finish the positioning action; then, the reverse full welding process among the assemblies can be carried out; after the full welding is completed, the pre-assembled underframe 22 is hoisted to the next station to complete the relevant process requirements.
When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, or when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
The terms of orientation such as left, right, up, down, etc. in the present embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a rail vehicle chassis pre-assembling frock which characterized in that: the side beam supporting device comprises a side beam supporting seat (10), a fixed side beam supporting longitudinal beam (4) and a movable side beam supporting longitudinal beam (2), wherein the fixed side beam supporting longitudinal beam (4) and the movable side beam supporting longitudinal beam (2) are arranged in parallel;
the small beam positioning template devices (5) are symmetrically arranged between the fixed side edge beam supporting longitudinal beam (4) and the movable side edge beam supporting longitudinal beam (2), and each small beam positioning template device (5) comprises a small beam supporting longitudinal beam (52), a small beam positioning template (53) and a lifting cylinder assembly (51);
the end cross beams (3) are arranged at the front end part and the rear end part of the fixed side edge beam supporting longitudinal beam (4) and the movable side edge beam supporting longitudinal beam (2), and the middle cross beam (1) is arranged between the two end cross beams;
the boundary beam positioning device comprises a boundary beam furling and jacking oil cylinder (7), a boundary beam end positioning device (8), a boundary beam end jacking device (13) and a limiting device (9), wherein two boundary beam end positioning devices are installed on an end cross beam on one side and are in a straight line with a boundary beam supporting seat (10), two boundary beam end jacking devices are correspondingly installed on an end cross beam on the other side, the boundary beam on the moving side supports the left end cross beam (3) of the longitudinal beam (2) and the middle cross beam (1) and is provided with a boundary beam furling and jacking oil cylinder (7), and the limiting device (9) is installed on the end cross beam (3) and the middle cross beam (1) on the right side of the boundary beam supporting longitudinal beam (2) on the moving side.
2. The rail vehicle underframe preassembling tool according to claim 1, wherein: and the boundary beam supporting seats (10) are uniformly arranged on the left side of the fixed side boundary beam supporting longitudinal beam (4) and the right side of the movable side boundary beam supporting longitudinal beam (2) at intervals.
3. The rail vehicle underframe preassembling tool according to claim 1, wherein: boundary beam supporting seat (10) are including supporting seat (18), the imitative face of boundary beam location (20), boundary beam holding surface (19), boundary beam medial surface top closing device (21) and boundary beam top closing device (17), the imitative face of boundary beam location (20) is installed at supporting seat (18) vertical portion inboard, supporting seat (18) horizontal portion inboard is installed in boundary beam holding surface (19), supporting seat (18) front side is installed in boundary beam medial surface top closing device (21), supporting seat (18) upside is installed in boundary beam top closing device (17), supporting seat (18) are L shape supporting seat.
4. The rail vehicle underframe preassembling tool according to claim 1, wherein: an end chassis supporting fine-tuning device (6) is arranged between the fixed side edge beam supporting longitudinal beam (4) and the movable side edge beam supporting longitudinal beam (2).
5. The rail vehicle underframe preassembling tool according to claim 1, wherein: the small cross beam supporting longitudinal beam (52) is parallel to the fixed side beam supporting longitudinal beam (4), and the small cross beam supporting longitudinal beam (52) is installed on the support.
6. The rail vehicle underframe preassembling tool according to claim 1, wherein: lifting cylinder is constituteed (51) and is lifted set (11), cylinder fixing base (12) and cylinder including the locating template, cylinder fixing base (12) interval is evenly installed on little crossbeam supports longeron (52) facade, the locating template is lifted set (11) and is installed at cylinder fixing base (12) center, there is the constant head tank structure on cylinder fixing base (12), the cylinder sets up in cylinder fixing base (12) below, the locating template is lifted set (11) and is linked to each other with cylinder pole tip, little crossbeam locating template (53) are installed and are lifted set (11) top at the locating template.
7. The rail vehicle underframe preassembling tool according to claim 1, wherein: and a small beam positioning groove (14) is arranged on the small beam positioning template (53).
8. The rail vehicle underframe preassembling tool according to claim 1, wherein: middle part crossbeam (1) and end crossbeam (3) perpendicular to fixed side boundary beam support longeron (4), parallel arrangement between middle part crossbeam (1) and end crossbeam (3), fixed side boundary beam supports longeron (4) and removes side boundary beam and supports longeron (2) and establish in middle part crossbeam (1) and end crossbeam (3) top.
9. The rail vehicle underframe preassembling tool according to claim 1, wherein: the limiting device (9) comprises a limiting rod (91), a limiting seat (92) and a locking nut (93) arranged on the limiting rod (91), and the limiting rod (91) is arranged on the vertical part of the limiting seat (92); the side beam end positioning device (8) comprises a positioning plate (84), a positioning turning arm (83) and a fixed seat (82), the lower end of the positioning turning arm (83) is installed on the fixed seat (82), a positioning stop catch (81) is arranged on the outer side of the positioning turning arm (83), and the positioning plate (84) is installed at the upper end of the positioning turning arm (83); the side beam end jacking device (13) comprises a jacking rod (25), a handle, a pressure head (26), a pressing turning arm (24), a stop and a mounting seat (23), the pressing turning arm (24) is mounted on the mounting seat (23), the stop is mounted on the outer side of the pressing turning arm (24), the jacking rod (25) is mounted above the pressing turning arm (24), the pressure head is arranged at the front end of the jacking rod (25), and the handle is arranged at the rear end of the jacking rod (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921299313.6U CN210359900U (en) | 2019-08-12 | 2019-08-12 | Rail vehicle chassis pre-assembling tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921299313.6U CN210359900U (en) | 2019-08-12 | 2019-08-12 | Rail vehicle chassis pre-assembling tool |
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| CN210359900U true CN210359900U (en) | 2020-04-21 |
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| CN201921299313.6U Active CN210359900U (en) | 2019-08-12 | 2019-08-12 | Rail vehicle chassis pre-assembling tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077511A (en) * | 2020-09-03 | 2020-12-15 | 中车长春轨道客车股份有限公司 | Assembly welding tool for large part of underframe of railway vehicle |
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2019
- 2019-08-12 CN CN201921299313.6U patent/CN210359900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077511A (en) * | 2020-09-03 | 2020-12-15 | 中车长春轨道客车股份有限公司 | Assembly welding tool for large part of underframe of railway vehicle |
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