Ceiling bearing tool for urban rail vehicle manufacturing

Abstract

The utility model relates to the technical field of urban rail vehicle manufacturing, and discloses a ceiling bearing tool for urban rail vehicle manufacturing, which comprises a bottom shell, a mounting plate is fixedly connected in the bottom shell, and a driving assembly is arranged at the bottom of the mounting plate. Rotating assemblies which are distributed in a four-corner mode and are in transmission connection with the same driving assembly are arranged in the bottom shell, lifting threaded columns in threaded connection are arranged in the rotating assemblies, the tops of the lifting threaded columns are fixedly connected with the same mounting block, and rotating bases are fixedly connected to the left side and the right side of the mounting block. The ceiling load-bearing tool for urban rail vehicle manufacturing has the advantages of being convenient to use and the like, and the problems that at present, common load-bearing tools are mostly distributed longitudinally, when the distances between ceilings are different, the positions of the load-bearing tools need to be integrally adjusted, the effect matched with the ceilings can be achieved, the workload is increased, and the working efficiency is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of urban rail vehicle manufacturing, in particular to a ceiling load-bearing tool for urban rail vehicle manufacturing. Background Art

[0002] As a safety guarantee center for vehicle parking, preparation, operation and maintenance, the urban rail transit vehicle base is responsible for daily vehicle inspection and regular maintenance. In order to facilitate maintenance personnel to carry out maintenance work under the vehicle and on both sides, track bridges are usually installed at the parking inspection, scheduled maintenance and static adjustment positions of the vehicle base. The installation of track bridges creates a good maintenance space for vehicle maintenance operations, improves the working environment of maintenance personnel, and improves the efficiency of maintenance operations. It is an indispensable and important equipment in the field of vehicle maintenance and repair.

[0003] Currently, most common load-bearing tooling is distributed longitudinally. When the spacing between ceilings is different, the position of the load-bearing tooling needs to be adjusted as a whole to achieve the effect of adaptation, which increases the workload and reduces the work efficiency. Therefore, a ceiling load-bearing tooling for urban rail vehicle manufacturing is proposed to solve the above problem. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a ceiling load-bearing tooling for urban rail vehicle manufacturing, which has the advantages of being easy to use and solves the problem that the currently common load-bearing tooling is mostly distributed longitudinally. When the spacing between ceilings is different, the position of the load-bearing tooling needs to be adjusted as a whole to achieve the effect of adaptation, which leads to increased workload and reduced work efficiency.

[0006] (II) Technical solution

[0007] The utility model solves the above-mentioned technical problem with the following technical solutions: a ceiling load-bearing tool for manufacturing urban rail vehicles, comprising a bottom shell, a mounting plate fixedly connected to the inside of the bottom shell, a driving assembly provided at the bottom of the mounting plate, a rotating assembly distributed at four corners and connected to the same driving assembly in a transmission manner inside the bottom shell, a lifting threaded column connected by thread is provided inside the rotating assembly, a same mounting block is fixedly connected to the top of the lifting threaded column, a rotating seat is fixedly connected to the left and right sides of the mounting block, a same rotating shaft is fixedly connected to the opposite side of the rotating seat, and the rotating The outer side of the shaft is rotatably connected to a double-sided track, and positioning holes symmetrically distributed on the left and right sides of the double-sided track are opened. A positioning rack is provided inside the double-sided track, and a plurality of sliding shells are slidably connected inside the double-sided track. The interior of the sliding shells is provided with a torsion component extending to the front of the double-sided track, and the interior of the sliding shells is provided with a positioning component threadedly connected to the adjacent torsion component and adapted to the positioning rack, and the sliding shell is fixedly connected to a side of the sliding shell located on the outer side of the double-sided track with fixed clamps equidistantly distributed in the longitudinal direction, and the interior of the fixed clamps is provided with a movable clamping component adapted to the fixed clamps.

[0008] The beneficial effects of the utility model are:

[0009] During use, the ceiling load-bearing tooling for urban rail vehicle manufacturing first moves the sliding shell to a suitable position inside the double-sided track, and then drives the positioning component to engage with the positioning rack through the twisting component to fix the sliding shell, and then inserts the external fixing pin through the double-sided track into the positioning hole, and finally moves the support block to the bottom of the double-sided track to complete the installation. When the support height needs to be adjusted, it only needs to drive the rotating component to rotate through the driving component, and the lifting threaded column can be driven up and down under the push of the thread, which has the advantage of being easy to use.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the driving assembly includes a driving motor and a driving gear. The bottom of the mounting plate is fixedly connected to the driving motor, and the output end of the driving motor is fixedly connected to the driving gear.

[0012] The beneficial effect of adopting the above further solution is that the driving gear can be driven to rotate by the driving motor.

[0013] Furthermore, the rotating assembly includes a rotating internal threaded cylinder and a rotating gear. The interior of the bottom shell is rotatably connected to rotating internal threaded cylinders distributed at four corners. The outer surfaces of the rotating internal threaded cylinders are fixedly connected to rotating gears meshing with the same driving gear. The interiors of the rotating internal threaded cylinders are threadedly connected to lifting threaded columns extending to the top of the bottom shell.

[0014] The beneficial effect of adopting the above further solution is that the driving gear can drive the rotating internal threaded barrel to rotate by rotating the gear, and can drive the lifting threaded column to move up and down under the push of the thread.

[0015] Furthermore, the twisting assembly includes a twisting bidirectional threaded rod and a twisting handle, the interior of the sliding shell is rotatably connected to a bidirectional threaded rod extending to the front of the double-sided track, and the front of the bidirectional threaded rod is fixedly connected to a twisting handle.

[0016] The beneficial effect of adopting the above further solution is that the bidirectional threaded rod can be driven to rotate by twisting the handle.

[0017] Furthermore, the positioning assembly includes a moving block and a positioning block. The internal sliding connection of the sliding shell is provided with a moving block which is symmetrically distributed front and back and threadedly connected to the adjacent torsional bidirectional threaded rod. The back side of the moving block is fixedly connected with positioning blocks which are distributed at four corners and adapted to the positioning rack.

[0018] The beneficial effect of adopting the above further solution is that when the bidirectional threaded rod is twisted during rotation, the moving block can be pushed by the thread to move to the opposite or opposite side until the positioning block is engaged or disengaged with the positioning rack.

[0019] Furthermore, the movable clamping assembly includes a tensioning spring, a tensioning block and a movable clamping block, the interior of the fixed clamping block is fixedly connected to the tensioning spring, the other side of the tensioning spring is fixedly connected to the tensioning block which is slidably connected to the fixed clamping block, and the tensioning block is fixedly connected to a movable clamping block which is adapted to the fixed clamping block on one side located outside the fixed clamping block.

[0020] The beneficial effect of adopting the above further solution is that when the fixed clamping block contacts the supported roof, the roof can push the movable clamping block to expand outward, thereby preventing it from being scratched and causing damage to the supported object. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a side view of the double-sided track of the utility model;

[0023] Figure 3 This is a cross-sectional view of the drive assembly of the utility model;

[0024] Figure 4 This is a cross-sectional view of the movable clamping assembly of the utility model;

[0025] Figure 5 This is a top view of the positioning assembly of the utility model.

[0026] In the figure: 1. bottom shell; 2. mounting plate; 3. driving assembly; 31. driving motor; 32. driving gear; 4. rotating assembly; 41. rotating internal threaded cylinder; 42. rotating gear; 5. lifting threaded column; 6. mounting block; 7. rotating seat; 71. rotating shaft; 8. double-sided track; 81. positioning rack; 9. sliding shell; 10. twisting assembly; 101. twisting two-way threaded rod; 102. twisting handle; 11. positioning assembly; 111. moving block; 112. positioning block; 13. fixed clamping block; 14. movable clamping assembly; 141. tensioning spring; 142. tensioning block; 143. movable clamping block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the embodiment, Figure 1-5 A ceiling load-bearing tool for manufacturing urban rail vehicles is provided. The utility model comprises a bottom shell 1, a mounting plate 2 is fixedly connected inside the bottom shell 1, a driving assembly 3 is provided at the bottom of the mounting plate 2, a rotating assembly 4 is distributed at four corners inside the bottom shell 1 and is transmission-connected to the same driving assembly 3, a lifting threaded column 5 is provided inside the rotating assembly 4, a same mounting block 6 is fixedly connected to the top of the lifting threaded column 5, a rotating seat 7 is fixedly connected to the left and right sides of the mounting block 6, a same rotating shaft 71 is fixedly connected to the opposite side of the rotating seat 7, and a double-sided rotating shaft 71 is rotatably connected to the outer side of the rotating shaft 7 Track 8, both sides of the double-sided track 8 are provided with positioning holes that are symmetrically distributed on the left and right sides, the double-sided track 8 is provided with a positioning rack 81 inside, the double-sided track 8 is slidably connected with a plurality of sliding shells 9 inside, the sliding shells 9 are provided with torsion components 10 extending to the front of the double-sided track 8, the sliding shells 9 are provided with positioning components 11 that are threadedly connected to the adjacent torsion components 10 and adapted to the positioning rack 81, and the sliding shells 9 are fixedly connected to the side of the sliding shells 9 located outside the double-sided track 8 with fixed clamps 13 that are equidistantly distributed in the longitudinal direction, and the fixed clamps 13 are provided with movable clamping components 14 adapted thereto inside;

[0029] The driving assembly 3 includes a driving motor 31 and a driving gear 32. The driving motor 31 is fixedly connected to the bottom of the mounting plate 2, and the output end of the driving motor 31 is fixedly connected to the driving gear 32.

[0030] The driving motor 31 can drive the driving gear 32 to rotate;

[0031] The rotating assembly 4 includes a rotating internal threaded barrel 41 and a rotating gear 42. The bottom shell 1 is rotatably connected to the rotating internal threaded barrels 41 distributed at four corners. The outer surfaces of the rotating internal threaded barrels 41 are fixedly connected to the rotating gears 42 meshing with the same driving gear 32. The interiors of the rotating internal threaded barrels 41 are threadedly connected to the lifting threaded columns 5 extending to the top of the bottom shell 1.

[0032] The driving gear 32 can drive the rotating internal threaded cylinder 41 to rotate by rotating the gear 42, and can drive the lifting threaded column 5 to move up and down under the push of the thread;

[0033] The twisting assembly 10 includes a twisting bidirectional threaded rod 101 and a twisting handle 102. The interior of the sliding shell 9 is rotatably connected to the bidirectional threaded rod 101 extending to the front of the double-sided track 8, and the front of the bidirectional threaded rod 101 is fixedly connected to the twisting handle 102.

[0034] By twisting the handle 102, the bidirectional threaded rod 101 can be driven to rotate;

[0035] The positioning assembly 11 includes a moving block 111 and a positioning block 112. The sliding housing 9 is internally slidably connected with the moving blocks 111 which are symmetrically distributed front and back and threadedly connected to the adjacent torsional bidirectional threaded rod 101. The back side of the moving block 111 is fixedly connected with the positioning blocks 112 which are distributed at four corners and adapted to the positioning rack 81.

[0036] When the bidirectional threaded rod 101 is twisted and rotated, the moving block 111 can be pushed by the thread to move to the opposite side or the opposite side, until the positioning block 112 is driven to engage with or disengage from the positioning rack 81;

[0037] The movable clamping assembly 14 includes a tensioning spring 141, a tensioning block 142 and a movable clamping block 143. The tensioning spring 141 is fixedly connected to the interior of the fixed clamping block 13, the other side of the tensioning spring 141 is fixedly connected to the tensioning block 142 which is slidably connected to the fixed clamping block 13, and the tensioning block 142 is fixedly connected to the movable clamping block 143 which is adapted to the fixed clamping block 13 on one side of the tensioning block 142 which is located outside the fixed clamping block 13;

[0038] When the fixed clamping block 13 contacts the supported roof, the roof can push the movable clamping block 143 to expand outwards, thereby preventing it from scratching and causing damage to the supported object.

[0039] Working principle:

[0040] Step 1: First, move the sliding shell 9 to a suitable position inside the double-sided track 8, and then twist the handle 102 to drive the twisting bidirectional threaded rod 101 to rotate. During the rotation of the twisting bidirectional threaded rod 101, the moving block 111 can be moved to the opposite side under the push of the thread until the positioning block 112 is driven to engage with the positioning rack 81, so that the sliding shell 9 can be fixed;

[0041] Step 2: Insert the external fixing pin through the double-sided track 8 and into the positioning hole, and finally move the support block 61 to the bottom of the double-sided track 8 to complete the installation;

[0042] Step 3: When the support height needs to be adjusted, the driving motor 31 is used to drive the driving gear 32 to rotate, and the driving gear 32 can drive the rotating internal threaded tube 41 to rotate through the rotating gear 42, and the lifting threaded column 5 can be driven to move up and down under the push of the thread.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ceiling load-bearing tool for urban rail vehicle manufacturing, comprising a bottom shell (1), characterized in that: The bottom shell (1) is fixedly connected to a mounting plate (2), a driving assembly (3) is provided at the bottom of the mounting plate (2), a rotating assembly (4) is provided at four corners and is transmission-connected to the same driving assembly (3), the rotating assembly (4) is provided with a lifting thread column (5) connected by a thread, the top of the lifting thread column (5) is fixedly connected to the same mounting block (6), the left and right sides of the mounting block (6) are fixedly connected to a rotating seat (7), the opposite side of the rotating seat (7) is fixedly connected to the same rotating shaft (71), the outer side of the rotating shaft (71) is rotationally connected to a double-sided track (8), and the double-sided track (8) is fixedly connected to the rotating seat (71). Both left and right sides are provided with positioning holes which are symmetrically distributed. A positioning rack (81) is provided inside the double-sided track (8). A plurality of sliding shells (9) are slidably connected inside the double-sided track (8). A torsion assembly (10) extending to the front of the double-sided track (8) is provided inside the sliding shells (9). A positioning assembly (11) which is threadedly connected to an adjacent torsion assembly (10) and is adapted to the positioning rack (81) is provided inside the sliding shells (9). A side of the sliding shell (9) located outside the double-sided track (8) is fixedly connected to a fixed clamping block (13) which is equidistantly distributed in the longitudinal direction. A movable clamping assembly (14) adapted to the fixed clamping block (13) is provided inside the fixed clamping block (13).

2. The ceiling load-bearing tooling for urban rail vehicle manufacturing according to claim 1 is characterized in that: The driving assembly (3) comprises a driving motor (31) and a driving gear (32); the bottom of the mounting plate (2) is fixedly connected to the driving motor (31); and the output end of the driving motor (31) is fixedly connected to the driving gear (32).

3. The ceiling load-bearing tooling for urban rail vehicle manufacturing according to claim 2 is characterized in that: The rotating assembly (4) comprises a rotating internal threaded cylinder (41) and a rotating gear (42); the bottom shell (1) is rotatably connected to the rotating internal threaded cylinders (41) distributed at four corners; the outer surfaces of the rotating internal threaded cylinders (41) are fixedly connected to the rotating gears (42) meshing with the same driving gear (32); the interiors of the rotating internal threaded cylinders (41) are threadedly connected to lifting threaded columns (5) extending to the top of the bottom shell (1).

4. The ceiling load-bearing tool for urban rail vehicle manufacturing according to claim 1, characterized in that: The twisting assembly (10) comprises a twisting bidirectional threaded rod (101) and a twisting handle (102); the interior of the sliding shell (9) is rotatably connected to the bidirectional threaded rod (101) extending to the front of the double-sided track (8); the front of the bidirectional threaded rod (101) is fixedly connected to the twisting handle (102).

5. The ceiling load-bearing tool for urban rail vehicle manufacturing according to claim 4, characterized in that: The positioning assembly (11) comprises a moving block (111) and a positioning block (112); the sliding housing (9) is internally slidably connected with the moving blocks (111) which are symmetrically distributed front and back and threadedly connected to the adjacent torsional bidirectional threaded rod (101); and the moving blocks (112) which are distributed at four corners and adapted to the positioning rack (81) are fixedly connected to the back side of each moving block (111).

6. The ceiling load-bearing tool for urban rail vehicle manufacturing according to claim 5, characterized in that: The movable clamping assembly (14) comprises a tensioning spring (141), a tensioning block (142) and a movable clamping block (143); the interior of the fixed clamping block (13) is fixedly connected with the tensioning spring (141); the other side of the tensioning spring (141) is fixedly connected with the tensioning block (142) which is slidably connected to the fixed clamping block (13); and the tensioning block (142) is fixedly connected with a movable clamping block (143) which is adapted to the fixed clamping block (13) on one side located outside the fixed clamping block (13).

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