Modular assembly fixture for chassis of railway van

Abstract

The utility model provides a railway van chassis modularization assembling clamp, which relates to the field of railway vehicle production equipment, and comprises a first clamp unit, the first clamp unit is used for supporting and clamping an end beam and a side beam, and the first clamp unit comprises a first base, a first support, a first cylinder, a first screw rod, a second screw rod and a first clamping block; the first clamp unit, the second clamp unit, the third clamp unit and the fourth clamp unit are relatively independent and can be flexibly adjusted according to the lengths of different underframes of different vehicle types, a beam body is supported through a first air cylinder, a first screw rod and a second screw rod can drive a first clamping block to make contact with the beam body, and therefore the beam body can be conveniently clamped. A beam body can be buckled through a buckling frame, the output end of an air cylinder seat drives a movable frame to make contact with the beam body, a third screw drives a second clamping block to make contact with the beam body, and then a middle beam, a sleeper beam and the side beam are supported and clamped.

Description

Technical Field

[0001] The utility model belongs to the field of rail vehicle production equipment, in particular to a modular assembly fixture for railway passenger and freight vehicle underframes. Background Art

[0002] The assembly of railway freight car chassis is to assemble the prefabricated center beam, pillow beam, large cross beam, side beam, end beam, small cross beam and other components. Since each component is heavy and difficult to assemble, professional assembly fixtures are required to assemble and fix the components.

[0003] In recent years, with the rapid development of railway construction, the overseas market has gradually expanded, and the replacement of vehicles has been accelerating year by year. In the existing technology, for each type of railway freight car chassis, due to its size, the various components used are different, so matching assembly fixtures are required for installation. That is, to produce a certain type of freight car chassis, it is necessary to manufacture the assembly fixture of the model, which requires large production investment, increases costs, and causes certain waste.

[0004] In summary, the utility model provides a modular assembly fixture for railway passenger and freight vehicle underframes to solve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A modular assembly fixture for a railway passenger and freight vehicle underframe, comprising a first fixture unit, the first fixture unit being used to support and clamp an end beam and a side beam, the first fixture unit comprising a first base, a first bracket, a first cylinder, a first screw, a second screw and a first clamping block;

[0007] It also includes a second clamp unit, which is used to support and clamp the center beam, the bolster beam and the side beam, and the second clamp unit includes a second base, a cylinder base, a movable frame, a second bracket, a third screw rod and a second clamp block, a support and a buckle frame;

[0008] It also includes a third clamp unit, which is used to support and clamp the cross beam and the side beam, and the third clamp unit includes a third base, a second cylinder, a third cylinder, a third bracket, a fourth screw, a fifth screw and a third clamp block;

[0009] It also includes a fourth clamp unit, which is used to support and clamp the central large cross beam and the side beams. The fourth clamp unit includes a fourth base, a fourth cylinder, a fourth bracket, a seventh screw rod, a sixth screw rod and a fourth clamp block.

[0010] Furthermore, in the utility model, the first bracket is located on both sides of the top of the first base and is movably connected to the first base by bolts, the first screw and the second screw are located in the inner cavity of the first bracket and are threadedly connected to the inner cavity of the first bracket, the first clamping block is movably connected to one end of the first screw and the second screw through a bearing, the first clamping block is in contact with the beam body, the first cylinder is located on both sides of the top of the first base and is movably connected to the first base by bolts, and the output end of the first cylinder is in contact with the beam body.

[0011] Furthermore, in the utility model, the cylinder seat is located on both sides of the top of the second base and is movably connected to the first base by bolts, the second bracket is located on one side of the cylinder seat and is movably connected to the first base by bolts, the movable frame is connected to the output end of the cylinder seat, and one side of the movable frame is in contact with the beam body, the third screw is located in the inner cavity of the second bracket and is threadedly connected to the inner cavity of the second bracket, the second clamping block is movably connected to one end of the third screw through a bearing, the support is fixedly connected to the second base, and the top of the support and one side of the second clamping block are in contact with the beam body, the buckle frame is movably connected to the support through a torsion spring, and the buckle frame is in contact with the beam body.

[0012] Furthermore, in the utility model, the bottom of the third cylinder and the second cylinder are movably connected to the third base by bolts, and the output ends of the third cylinder and the second cylinder are in contact with the beam body, the third bracket is located on both sides of the top of the third base and is movably connected to the third base by bolts, the fourth screw and the fifth screw are located in the inner cavity of the third bracket and are threadedly connected to the inner cavity of the third bracket, the third clamp is movably connected to one end of the fourth screw and the fifth screw by a bearing, and the third clamp is in contact with the beam body.

[0013] Furthermore, in the utility model, the bottom of the fourth cylinder is movably connected to the top of the fourth base by bolts, the output end of the fourth cylinder contacts the beam body, the fourth bracket is located on both sides of the top of the fourth base and is movably connected to the fourth base by bolts, the seventh screw and the sixth screw are located in the inner cavity of the fourth bracket and are threadedly connected to the inner cavity of the fourth bracket, the fourth clamp is movably connected to one end of the sixth screw and the seventh screw by a bearing, and the fourth clamp contacts the beam body.

[0014] Beneficial effects: The utility model has the following beneficial effects:

[0015] The utility model supports the beam body through the first cylinder, and the first screw and the second screw can drive the first clamping block to contact with the beam body, so as to realize the positioning and clamping of the end beam and the side beam, and the beam body can be buckled through the buckle frame, and the output end of the cylinder seat drives the movable frame to contact with the beam body, and the third screw drives the second clamping block to contact with the beam body, so as to realize the support and clamping of the middle beam, the pillow beam and the side beam, the beam body is supported by the third cylinder and the second cylinder, and the fifth screw and the fourth screw drive the third clamping block to contact with the beam body, so as to realize the support and clamping of the cross beam and the side beam, the beam body is supported by the fourth cylinder, and the sixth screw and the seventh screw drive the fourth clamping block to contact with the beam body, so as to realize the support and clamping of the central large cross beam and the side beam, and the first clamp unit, the second clamp unit, the third clamp unit and the fourth clamp unit are relatively independent, so that flexible adjustment can be made according to the different chassis lengths of different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the first clamp unit of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the second clamp unit of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the third clamp unit of the utility model;

[0019] Figure 4 It is a schematic structural diagram of the fourth clamp unit of the utility model.

[0020] In the figure:

[0021] 1. The first clamp unit; 11. The first base; 12. The first bracket; 13. The first cylinder; 14. The first screw; 15. The second screw; 16. The first clamp block; 2. The second clamp unit; 21. The second base; 22. The cylinder seat; 23. The movable frame; 24. The second bracket; 25. The third screw; 26. The second clamp block; 27. The support; 28. The buckle frame; 3. The third clamp unit; 31. The third base; 32. The second cylinder; 33. The third cylinder; 34. The third bracket; 35. The fourth screw; 36. The fifth screw; 37. The third clamp block; 4. The fourth clamp unit; 41. The fourth base; 42. The fourth cylinder; 43. The fourth bracket; 44. The seventh screw; 45. The sixth screw; 46. The fourth clamp block. DETAILED DESCRIPTION

[0022] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model. Example

[0023] like Figure 1-4 As shown, it is the first embodiment of the utility model, which provides a modular assembly fixture for railway passenger and freight car underframes, including a first fixture unit 1, the first fixture unit 1 is used to support and clamp the end beam and the side beam, and the first fixture unit 1 includes a first base 11, a first bracket 12, a first cylinder 13, a first screw 14, a second screw 15 and a first clamping block 16;

[0024] It also includes a second clamp unit 2, which is used to support and clamp the center beam, the bolster beam and the side beam. The second clamp unit 2 includes a second base 21, a cylinder base 22, a movable frame 23, a second bracket 24, a third screw rod 25 and a second clamp block 26, a support 27 and a buckle frame 28;

[0025] The third clamp unit 3 is also included. The third clamp unit 3 is used to support and clamp the cross beam and the side beam. The third clamp unit 3 includes a third base 31, a second cylinder 32, a third cylinder 33, a third bracket 34, a fourth screw 35, a fifth screw 36 and a third clamp block 37;

[0026] It also includes a fourth clamp unit 4, which is used to support and clamp the central large cross beam and the side beam. The fourth clamp unit 4 includes a fourth base 41, a fourth cylinder 42, a fourth bracket 43, a seventh screw 44, a sixth screw 45 and a fourth clamp block 46.

[0027] like Figure 1-4As shown, by moving the first clamp unit 1 to the end beam side beam, the first cylinder 13 supports the beam body, and the first screw 14 and the second screw 15 can drive the first clamp block 16 to contact the beam body, thereby achieving positioning and clamping of the end beam side beam, by moving the second clamp unit 2 to the middle beam, the bolster beam and the side beam, the buckle frame 28 can buckle the beam body, and the output end of the cylinder seat 22 drives the movable frame 23 to contact the beam body, and the third screw 25 drives the second clamp block 26 to contact the beam body, thereby achieving support and clamping of the middle beam, the bolster beam and the side beam, by moving the third clamp unit 3 to the cross beam side beam, the third air The cylinder 33 and the second cylinder 32 support the beam body, and the fifth screw 36 and the fourth screw 35 drive the third clamp 37 to contact the beam body, thereby achieving support and clamping of the crossbeam side beams. By moving the fourth clamp unit 4 to the side beam of the central large crossbeam, the beam body is supported by the fourth cylinder 42, and the sixth screw 45 and the seventh screw 44 drive the fourth clamp 46 to contact the beam body, thereby supporting and clamping the central large crossbeam and the side beams. By the relative independence of the first clamp unit 1, the second clamp unit 2, the third clamp unit 3 and the fourth clamp unit 4, flexible adjustments can be made for different chassis lengths of different models. Example

[0028] Reference Figure 1 and 2 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0029] In this embodiment, the first bracket 12 is located on both sides of the top of the first base 11 and is movably connected to the first base 11 by bolts, the first screw 14 and the second screw 15 are located in the inner cavity of the first bracket 12 and are threadedly connected to the inner cavity of the first bracket 12, the first clamp 16 is movably connected to one end of the first screw 14 and the second screw 15 through a bearing, the first clamp 16 is in contact with the beam body, the first cylinder 13 is located on both sides of the top of the first base 11 and is movably connected to the first base 11 by bolts, and the output end of the first cylinder 13 is in contact with the beam body.

[0030] The cylinder seat 22 is located on both sides of the top of the second base 21 and is movably connected to the first base 11 by bolts. The second bracket 24 is located on one side of the cylinder seat 22 and is movably connected to the first base 11 by bolts. The movable frame 23 is connected to the output end of the cylinder seat 22, and one side of the movable frame 23 is in contact with the beam body. The third screw rod 25 is located in the inner cavity of the second bracket 24 and is threadedly connected to the inner cavity of the second bracket 24. The second clamping block 26 is movably connected to one end of the third screw rod 25 through a bearing. The support 27 is fixedly connected to the second base 21, and the top of the support 27 and one side of the second clamping block 26 are in contact with the beam body. The buckle frame 28 is movably connected to the support 27 through a torsion spring, and the buckle frame 28 is in contact with the beam body.

[0031] like Figure 1 and 2 As shown, the beam body can be supported by the first cylinder 13, and the first screw 14 and the second screw 15 can be rotated to drive the first clamp 16 to move to one side and contact the beam body, thereby achieving positioning and clamping of the end beam and side beams, and the beam body is supported by the support 27, and the buckle frame 28 can buckle the beam body through the reset elastic force of the torsion spring, and the output end of the cylinder seat 22 drives the movable frame 23 to contact the beam body, and the third screw 25 rotates to drive the second clamp 26 to one side and contact the beam body, thereby achieving support and clamping of the center beam, pillow beam and side beam. Example

[0032] Reference Figure 3 and 4 , which is the third embodiment of the utility model, and this embodiment is based on the previous two embodiments.

[0033] In this embodiment, the bottom of the third cylinder 33 and the second cylinder 32 are movably connected to the third base 31 by bolts, and the output ends of the third cylinder 33 and the second cylinder 32 are in contact with the beam body, the third bracket 34 is located on both sides of the top of the third base 31, and is movably connected to the third base 31 by bolts, the fourth screw 35 and the fifth screw 36 are located in the inner cavity of the third bracket 34, and are threadedly connected to the inner cavity of the third bracket 34, the third clamp 37 is movably connected to one end of the fourth screw 35 and the fifth screw 36 through a bearing, and the third clamp 37 is in contact with the beam body.

[0034] The bottom of the fourth cylinder 42 is movably connected to the top of the fourth base 41 by bolts, and the output end of the fourth cylinder 42 contacts the beam body. The fourth bracket 43 is located on both sides of the top of the fourth base 41 and is movably connected to the fourth base 41 by bolts. The seventh screw 44 and the sixth screw 45 are located in the inner cavity of the fourth bracket 43 and are threadedly connected to the inner cavity of the fourth bracket 43. The fourth clamp 46 is movably connected to one end of the sixth screw 45 and the seventh screw 44 through a bearing, and the fourth clamp 46 contacts the beam body.

[0035] like Figure 3 and 4 As shown, the beam body is supported by the third cylinder 33 and the second cylinder 32, and the rotation of the fifth screw 36 and the fourth screw 35 can drive the third clamp 37 to move to one side and contact the beam body, thereby achieving support and clamping of the crossbeam and side beams. The beam body is supported by the fourth cylinder 42, and the rotation of the sixth screw 45 and the seventh screw 44 can drive the fourth clamp 46 to move to one side and contact the beam body, thereby supporting and clamping the central large crossbeam and the side beams.

[0036] When in use, the first clamp unit 1 is moved to the end beam and side beam, the beam body is supported by the first cylinder 13, and the first screw 14 and the second screw 15 are rotated. The first screw 14 and the second screw 15 can drive the first clamp block 16 to move to one side and contact the beam body while rotating, thereby realizing the positioning and clamping of the end beam and side beam; the second clamp unit 2 is moved to the middle beam, the bolster beam and the side beam, the middle beam, the bolster beam and the side beam are supported by the support 27, and the buckle frame 28 is reset to contact the beam body to realize buckling, and the output end of the cylinder seat 22 drives the movable frame 23 to move to one side so that the movable frame 23 contacts the beam body, and the third screw 25 is rotated, and the third screw 25 drives the second clamp block 26 to contact the beam body, thereby realizing the support and clamping operation of the middle beam, the bolster beam and the side beam; Move to the side beam of the crossbeam, and contact the beam body through the output ends of the third cylinder 33 and the second cylinder 32, so as to support the side beam of the crossbeam, and the fifth screw 36 and the fourth screw 35 drive the third clamp 37 to contact the beam body, so as to support and clamp the side beam of the crossbeam, by moving the fourth clamp unit 4 to the side beam of the central large crossbeam, and contact the beam body upward through the output end of the fourth cylinder 42, so as to support the beam body, and rotate the sixth screw 45 and the seventh screw 44, the sixth screw 45 and the seventh screw 44 will drive the fourth clamp 46 to contact the beam body, so as to support and clamp the central large crossbeam and the side beam, and the first clamp unit 1, the second clamp unit 2, the third clamp unit 3 and the fourth clamp unit 4 are relatively independent, so that flexible adjustment can be made for different chassis lengths of different models.

[0037] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0038] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A modular assembly fixture for railway passenger and freight car underframes, comprising a first fixture unit (1), characterized in that: The first clamp unit (1) is used to support and clamp the end beam and the side beam, and the first clamp unit (1) comprises a first base (11), a first bracket (12), a first cylinder (13), a first screw rod (14), a second screw rod (15) and a first clamp block (16); The second clamp unit (2) is used for supporting and clamping the center beam, the bolster beam and the side beam, and the second clamp unit (2) comprises a second base (21), a cylinder base (22), a movable frame (23), a second bracket (24), a third screw rod (25), a second clamp block (26), a support (27) and a buckle frame (28); The device further comprises a third clamp unit (3), the third clamp unit (3) being used for supporting and clamping the cross beam and the side beam, the third clamp unit (3) comprising a third base (31), a second cylinder (32), a third cylinder (33), a third bracket (34), a fourth screw rod (35), a fifth screw rod (36) and a third clamp block (37); The invention also comprises a fourth clamp unit (4), the fourth clamp unit (4) being used for supporting and clamping the central large cross beam and the side beam, the fourth clamp unit (4) comprising a fourth base (41), a fourth cylinder (42), a fourth bracket (43), a seventh screw rod (44), a sixth screw rod (45) and a fourth clamp block (46).

2. The modular assembly fixture for railway passenger and freight car underframes as claimed in claim 1, characterized in that: The first bracket (12) is located on both sides of the top of the first base (11) and is movably connected to the first base (11) by bolts; the first screw rod (14) and the second screw rod (15) are located in the inner cavity of the first bracket (12) and are threadedly connected to the inner cavity of the first bracket (12); the first clamping block (16) is movably connected to one end of the first screw rod (14) and the second screw rod (15) by a bearing; the first clamping block (16) is in contact with the beam body; the first cylinder (13) is located on both sides of the top of the first base (11) and is movably connected to the first base (11) by bolts; and the output end of the first cylinder (13) is in contact with the beam body.

3. The modular assembly fixture for railway passenger and freight car underframes as claimed in claim 1, characterized in that: The cylinder seat (22) is located on both sides of the top of the second base (21) and is movably connected to the first base (11) through bolts. The second bracket (24) is located on one side of the cylinder seat (22) and is movably connected to the first base (11) through bolts. The movable frame (23) is connected to the output end of the cylinder seat (22), and one side of the movable frame (23) is in contact with the beam body. The third screw rod (25) is located in the inner cavity of the second bracket (24) and is threadedly connected to the inner cavity of the second bracket (24). The second clamping block (26) is movably connected to one end of the third screw rod (25) through a bearing. The support (27) is fixedly connected to the second base (21), and the top of the support (27) and one side of the second clamping block (26) are in contact with the beam body. The buckle frame (28) is movably connected to the support (27) through a torsion spring, and the buckle frame (28) is in contact with the beam body.

4. The modular assembly fixture for railway passenger and freight car underframes as claimed in claim 1, characterized in that: The bottoms of the third cylinder (33) and the second cylinder (32) are movably connected to the third base (31) via bolts, and the output ends of the third cylinder (33) and the second cylinder (32) are in contact with the beam body. The third bracket (34) is located on both sides of the top of the third base (31) and is movably connected to the third base (31) via bolts. The fourth screw rod (35) and the fifth screw rod (36) are located in the inner cavity of the third bracket (34) and are threadedly connected to the inner cavity of the third bracket (34). The third clamping block (37) is movably connected to one end of the fourth screw rod (35) and the fifth screw rod (36) via a bearing, and the third clamping block (37) is in contact with the beam body.

5. The modular assembly fixture for railway passenger and freight car underframes as claimed in claim 1, characterized in that: The bottom of the fourth cylinder (42) is movably connected to the top of the fourth base (41) by bolts, the output end of the fourth cylinder (42) contacts the beam body, the fourth bracket (43) is located on both sides of the top of the fourth base (41) and is movably connected to the fourth base (41) by bolts, the seventh screw rod (44) and the sixth screw rod (45) are located in the inner cavity of the fourth bracket (43) and are threadedly connected to the inner cavity of the fourth bracket (43), the fourth clamping block (46) is movably connected to one end of the sixth screw rod (45) and the seventh screw rod (44) by a bearing, and the fourth clamping block (46) contacts the beam body.

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