CN211028743U - Special equipment for manufacturing railway vehicle underframe - Google Patents
Special equipment for manufacturing railway vehicle underframe Download PDFInfo
- Publication number
- CN211028743U CN211028743U CN201921766090.XU CN201921766090U CN211028743U CN 211028743 U CN211028743 U CN 211028743U CN 201921766090 U CN201921766090 U CN 201921766090U CN 211028743 U CN211028743 U CN 211028743U
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- cross beam
- clamping
- underframe
- railway vehicle
- small cross
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Abstract
The utility model discloses a special equipment for manufacturing of rail vehicle chassis. The side beams are arranged in parallel, and a clamping device and a positioning stop block are arranged on each side beam according to the positions of a sleeper beam, a cross beam and a small cross beam which are formed by the underframe; the clamping devices for the sleeper beam and the small cross beam are lateral bilateral clamping structures, and the clamping devices for the cross beam are vertical end face clamping structures. The utility model discloses special equipment adopts clamping mechanism to be connected with the chassis, and the assembly and the dismantlement of being convenient for have improved the life cycle of technology curb girder, reduce manufacturing cost. The flame cutting is cancelled, the welding with the automobile body and the damage to the base metal are avoided, the production efficiency is improved, and the appearance quality of the product is ensured. The positioning gear and the mechanism reserved deflection of the components such as the pillow beam and the like are increased, the assembly precision of each component of the underframe is guaranteed, the underframe correction workload is reduced, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the design of railway freight equipment, in particular to a special equipment that is used for railway vehicle to do not have lower side sill chassis and makes.
Background
Every current railway vehicle of no lower side rail structure chassis all need adopt technology curb girder to connect the chassis to increase the rigidity and the intensity of chassis, prevent that the chassis from appearing great deviation in the relevant size of welding and handling in-process each part. The main mode that adopts at present is the technology curb girder of welded structure, and before accomplishing the manufacturing of no lower side rail structure chassis, set up temporarily through the welding and consolidate and use the curb girder, and the back of accomplishing the manufacturing, demolish the curb girder and need adopt flame cutting, and this technology easily causes the base metal of pillow crossbeam to be cut, and has increased the work load of cutting and polishing, reduces production efficiency, and the technology curb girder reuse rate after the excision is lower.
Disclosure of Invention
The utility model discloses a special equipment for manufacturing of rail vehicle chassis according to prior art's not enough. The utility model aims at providing a need not through the interim curb girder of welding for railway vehicle does not have the special equipment of lower side rail chassis manufacturing.
The utility model discloses a following technical scheme realizes:
A professional equipment for manufacturing of rail vehicle chassis, equipment including be used for with the rail vehicle chassis constitute the curb girder that combines, curb girder parallel arrangement two, its characterized in that: a clamping device and a positioning stop block are arranged on each side beam according to the positions of a sleeper beam, a cross beam and a small cross beam which are formed by the underframe; the clamping devices for the sleeper beam and the small cross beam are lateral bilateral clamping structures, and the clamping devices for the cross beam are vertical end face clamping structures.
And a connecting beam is connected and fixed between the two side beams.
And a sleeper beam support for fixing the sleeper beam and a small cross beam support for fixing the small cross beam are fixedly arranged between the lateral bilateral clamping structures of the clamping device for the sleeper beam or the small cross beam.
The side beam adopts a mechanical mode, and the middle position of the side beam is raised by an air cylinder for 5mm of deflection, and the deflection is consistent with the deflection formed by a middle beam made of cold-bending channel steel.
The clamping device is a bent arm spiral pressing mechanism and comprises a force arm, a vertical plate, a trapezoidal screw, a trapezoidal nut, a pressing head, a lining, a pin shaft and a pin.
Compared with the prior art, the utility model discloses the special use is equipped with following advantage: the clamping mechanism is connected with the bottom frame, so that the assembly and the disassembly are convenient, the service cycle of the technological side beam is prolonged, and the manufacturing cost is reduced. The flame cutting is cancelled, the welding with the automobile body and the damage to the base metal are avoided, the production efficiency is improved, and the appearance quality of the product is ensured. The positioning gear and the mechanism reserved deflection of the components such as the pillow beam and the like are increased, the assembly precision of each component of the underframe is guaranteed, the underframe correction workload is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a front view of the side beam of the present invention;
FIG. 2 is a schematic view of the installation state of the side beams and the underframe of the process of the present invention;
FIG. 3 is an enlarged partial schematic view of FIG. 2;
Fig. 4 is a schematic structural view of a clamping mechanism.
The labels in the figure are: the device comprises a side beam 1, a clamping device 2, a positioning stop block 3, an underframe 4, a sleeper beam 41, a small cross beam 42, a cross beam 43, a sleeper beam support 5, a small cross beam support 7, a trapezoidal screw 8, a bush 9, a trapezoidal nut 10, a pressure head 11, a vertical plate 12, a pin 13, a pin shaft 14 and a force arm 15.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
With reference to the attached drawings.
As shown in the figure, the special equipment for manufacturing the underframe of the railway vehicle comprises two side beams 1 used for being combined with the underframe of the railway vehicle, wherein the side beams 1 are arranged in parallel, and a clamping device 2 and a positioning stop block 3 are arranged on each side beam 1 according to the positions of a sleeper beam 41, a cross beam 43 and a small cross beam 42 of an underframe assembly 4; wherein the clamping devices 2 for the bolster beam 41 and the small cross beam 42 are lateral double-sided clamping structures and the clamping devices for the cross beam 43 are vertical end face clamping structures.
The two side beams 1 are connected and fixed by a connecting beam.
A sleeper beam support 5 for fixing the sleeper beam 41 and a small cross beam support 7 for fixing the small cross beam 42 are fixedly arranged between the lateral double-side clamping structures of the clamping device for the sleeper beam 41 or the small cross beam 42. Each support is used for adapting to the height difference between the beams of the underframe assembly 4.
The side beam adopts a mechanical mode, and the middle position of the side beam is raised by an air cylinder for 5mm of deflection, and the deflection is consistent with the deflection formed by a middle beam made of cold-bending channel steel.
The clamping device 2 is a bent arm spiral pressing mechanism and comprises a force arm 15, a vertical plate 12, a trapezoidal screw 8, a trapezoidal nut 10, a pressure head 11, a lining 9, a pin shaft 14 and a pin 13.
The utility model discloses special equipment is applicable to the railway vehicle manufacturing of no lower side beam structure chassis. The clamping device 2 is connected with the chassis assembly 4, so that the assembly and disassembly are convenient.
The utility model discloses curb girder 1 can be by hollow square pipe, end plate, channel-section steel assembly welding becomes integrative.
As shown in fig. 1, fig. 1 is a schematic view of the front structure of the technical side beam of the present invention, and the side beam 1 is arranged with: the lateral double-side clamping structure of the sleeper beam 41 comprises clamping devices 2 with lateral double-side clamping structures, sleeper beam supports 5, a plurality of groups of positioning stop blocks 3, a plurality of groups of lateral double-side clamping structures 2, small cross beam supports 7 and a plurality of groups of vertical end face clamping structures 2, wherein the lateral double-side clamping structures of the sleeper beam 41 are arranged at two ends of the sleeper beam, the small cross beam supports 7 are arranged between the lateral double-side clamping structures of the small cross beams 42, and the groups of vertical end face clamping structures of the cross.
As shown in fig. 2 and 3, fig. 2 is a schematic view of the installation state of the side beam and the bottom frame of the process of the present invention, and fig. 3 is a partially enlarged schematic view of fig. 2; the underframe assembly 4 comprises a sleeper beam 41, a small cross beam 42 and a cross beam 43. When assembling, the beams are positioned in fixed positions by positioning blocks 3 and fixed by respective clamping devices 2.
As shown in the figure, the utility model discloses special equipment includes clamping device 2 and the location dog 3 that sets up on technology curb girder 1, technology curb girder 1. The clamping device 1 and the positioning stop block 3 are connected with the technical side beam 1 into an integrated structure in a welding mode. The chassis assembly 4 is directly connected by the clamping device 2.
When 4 pairs of underframe assemblies are formed, the centers of the technological side beam 1 and the 4 pairs of underframe assemblies coincide and align with the center of the tire, after the lower cover plate of the sleeper beam 41, the lower cover plate of the cross beam 43 and the lower cover plate of the small cross beam 42 are tightly attached to the positioning stop block 3 of the technological side beam 1 mechanism, the pressure head 11 is placed on the lower cover plate, the pin shaft 14 is penetrated, and the trapezoidal screw 8 is rotated to clamp the pressure head 11 and the lower cover plate. And (4) assembling the underframe, and dismantling the special equipment mechanism for the technical side beam after positioning welding.
Claims (5)
1. A special equipment for manufacturing a railway vehicle underframe comprises side beams used for being combined with the railway vehicle underframe, wherein the two side beams are arranged in parallel, and the special equipment is characterized in that: each side beam is provided with a clamping device and a positioning stop block according to the positions of the sleeper beam, the cross beam and the small cross beam of the underframe; the clamping devices for the sleeper beam and the small cross beam are lateral bilateral clamping structures, and the clamping devices for the cross beam are vertical end face clamping structures.
2. Specialized equipment for the manufacture of railway vehicle undercarriages according to claim 1, wherein: and a connecting beam is connected and fixed between the two side beams.
3. Specialized equipment for the manufacture of railway vehicle undercarriages according to claim 1, wherein: and a sleeper beam support for fixing the sleeper beam and a small cross beam support for fixing the small cross beam are fixedly arranged between the lateral bilateral clamping structures of the clamping device for the sleeper beam or the small cross beam.
4. Specialized equipment for the manufacture of railway vehicle undercarriages according to claim 1, wherein: the middle bulge of the side beam has 5mm of deflection.
5. Specialized equipment for the manufacture of railway vehicle undercarriages according to claim 1, wherein: the clamping device is a bent arm spiral pressing mechanism and comprises a force arm, a vertical plate, a trapezoidal screw, a trapezoidal nut, a pressing head, a lining, a pin shaft and a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766090.XU CN211028743U (en) | 2019-10-21 | 2019-10-21 | Special equipment for manufacturing railway vehicle underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766090.XU CN211028743U (en) | 2019-10-21 | 2019-10-21 | Special equipment for manufacturing railway vehicle underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211028743U true CN211028743U (en) | 2020-07-17 |
Family
ID=71531229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921766090.XU Active CN211028743U (en) | 2019-10-21 | 2019-10-21 | Special equipment for manufacturing railway vehicle underframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211028743U (en) |
-
2019
- 2019-10-21 CN CN201921766090.XU patent/CN211028743U/en active Active
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