Rail transit maintenance device

Abstract

The utility model relates to the technical field of rail transit maintenance, and discloses a rail transit maintenance device which comprises a bottom plate, a groove is formed in the top of the bottom plate, a fixing mechanism is fixedly connected to the top of the bottom plate, and a dismounting mechanism is arranged on the left side of the fixing mechanism; the fixing mechanism comprises a first support, the bottom of the first support is fixedly connected with a first electric push rod, the bottom of the first electric push rod is fixedly connected with a second support, the bottom of the second support is fixedly connected with a second electric push rod, and the bottom of the second electric push rod is fixedly connected with a first push block. A straight plate is fixedly connected to the bottom of the second support, a through groove is formed in the top of the straight plate, and two fixing frames are arranged in the through groove in a sliding mode. According to the rail transit maintenance device, the whole device is fixed, shaking of the device during maintenance operation is avoided, the stability is guaranteed, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit maintenance, in particular to a rail transit maintenance device. Background Art

[0002] In China, the rapid development of urban rail transit has greatly improved urban traffic conditions and enhanced the quality of life of residents. For example, Chongqing's rail transit system is well-known for its unique geographical challenges. It has the most cross-river rail transit channels and the longest mountain tunnels in the country. Such achievements have not only improved the city's transportation capacity, but also brought new vitality to the city's development.

[0003] Chinese patent authorization announcement No. CN221345137U discloses a track maintenance device for rail transit, comprising: an electric wrench; a moving mechanism, wherein the moving mechanism is arranged on the surface of the electric wrench to reduce the discomfort of workers holding the electric wrench; wherein the moving mechanism includes a moving component arranged on the surface of the electric wrench; in the device, the bidirectional screw rotates through the moving block to drive the first clamping block and the second clamping block to approach each other and clamp and fix the electric wrench; the electric wrench is installed on the moving frame for simple operation, the moving frame is pushed to move above the bolt on the track, the electric push rod and the electric wrench are started, the telescopic end of the electric push rod moves downward, drives the electric wrench downward, makes the bottom end of the electric wrench clamped on the bolt, and the electric wrench starts to rotate and move the bolt upward, thereby avoiding the discomfort of workers holding the electric wrench while working, and improving the comfort of using the track maintenance device.

[0004] However, in the above-mentioned prior art, when tightening or removing the bolts, the maintenance device is prone to shaking, which reduces stability and affects the maintenance progress. Therefore, there is an urgent need for a rail transit maintenance device. Utility Model Content

[0005] The purpose of the present utility model is to provide a rail transit maintenance device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a rail transit maintenance device, comprising a base plate, a groove is formed on the top of the base plate, a fixing mechanism is fixedly connected to the top of the base plate, and a disassembly mechanism is provided on the left side of the fixing mechanism;

[0007] The fixing mechanism includes a first bracket, a first electric push rod is fixedly connected to the bottom of the first bracket, a second bracket is fixedly connected to the bottom of the first electric push rod, a second bracket is fixedly connected to the bottom of the second bracket, a first push block is fixedly connected to the bottom of the second electric push rod, a straight plate is fixedly connected to the top of the straight plate, two fixing brackets are slidingly arranged in the through slot, the ends of the two fixing brackets close to each other are respectively fixedly connected to the second push block, the left and right inner walls of the through slot are respectively provided with sliding grooves, the two ends of the two fixing brackets are respectively fixedly connected to sliders, and the front and rear inner walls of the through slot are respectively fixedly connected to springs.

[0008] Preferably, the ends of the springs that are close to each other are fixedly connected to the fixing frames, and the sliding blocks are slidably arranged in the sliding grooves.

[0009] The moving wheels at the bottom of the base plate facilitate the movement of the entire device on the track. The second bracket is pushed downward by the first electric push rod, which in turn drives the straight plate downward. After reaching the specified position, the first push block is pushed downward by the second electric push rod, and the first push block simultaneously resists the second push block.

[0010] Preferably, the bottom of the base plate is fixedly connected with moving wheels, and four moving wheels are provided.

[0011] Preferably, a push rack is fixedly connected to the right side of the bottom plate, and the straight plate is located in the groove.

[0012] The fixing frame squeezes the spring, and then the sliders on the left and right sides of the fixing frame slide in the sliding groove. Under the action of the first push block, the two fixing frames slide forward and backward in the through groove at the same time, so that the fixing frames respectively contact the inner side of the track, thereby fixing the entire device.

[0013] Preferably, the disassembly mechanism includes a cross bar, the top of the cross bar is fixedly connected to a third electric push rod, the top of the third electric push rod is fixedly connected to a connecting plate, the front of the cross bar is fixedly connected to a motor, the bottom of the cross bar is provided with a cross groove, a screw rod is rotatably arranged in the cross groove, the surface of the screw rod is threadedly connected to a moving column, and the bottom of the moving column is fixedly connected to an electric wrench.

[0014] Preferably, the right side of the connecting plate is fixedly connected to the first bracket, and two sliding holes are provided on the top of the connecting plate. Limiting rods are slidably inserted into the two sliding holes, and the bottoms of the limiting rods are fixedly connected to the cross bars.

[0015] The third electric push rod pushes the cross bar downward to adjust the height of the electric wrench. The motor drives the screw rod to rotate to move the movable column. The third electric push rod is used to align the electric wrench with the bolts on the track for disassembly or installation.

[0016] Preferably, the movable column is slidably arranged in the transverse groove, and the front side of the screw rod is fixedly connected to the motor through a movable penetrating transverse rod.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0018] First, the utility model, the moving wheels at the bottom of the base plate facilitate the movement of the entire device on the track, and the second bracket is pushed downward by the first electric push rod, thereby driving the straight plate downward. After reaching the designated position, the first push block is pushed downward by the second electric push rod, and the first push block simultaneously resists the second push block, so that the fixing frame squeezes the spring, thereby causing the sliders on the left and right sides of the fixing frame to slide in the slide groove. Under the action of the first push block, the two fixing frames slide forward and backward in the through groove at the same time, so that the fixing frames respectively resist the inner side of the track, thereby achieving the fixation of the entire device, avoiding the shaking of the device during maintenance operation, ensuring stability, and improving maintenance efficiency.

[0019] Second, the utility model pushes the cross bar downward by the third electric push rod, thereby adjusting the height of the electric wrench. The motor drives the screw rod to rotate, thereby moving the movable column. The third electric push rod is used to align the electric wrench with the bolts on the track for removal or installation operations. The limit rod is provided to ensure the stability of the third electric push rod when removing or installing the bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a front cutaway and front view structural diagram of the utility model;

[0022] Figure 3 This is a left side cross-section and left side structural schematic diagram of the fixing mechanism of the utility model;

[0023] Figure 4 This is a schematic diagram of the left side section and overall left view of the disassembly mechanism of the utility model.

[0024] Among them: 1. Base plate; 2. First bracket; 3. First electric push rod; 4. Second bracket; 5. Second electric push rod; 6. First push block; 7. Straight plate; 8. Fixed bracket; 9. Second push block; 10. Slider; 11. Spring; 12. Moving wheel; 13. Push rack; 14. Cross bar; 15. Third electric push rod; 16. Connecting plate; 17. Motor; 18. Screw; 19. Moving column; 20. Electric wrench; 21. Limit rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The utility model provides the following technical solutions:

[0027] Example 1

[0028] See also Figure 1 、 Figure 2 and Figure 3 A rail transit maintenance device includes a base plate 1, a groove is formed on the top of the base plate 1, a fixing mechanism is fixedly connected to the top of the base plate 1, and a disassembly mechanism is provided on the left side of the fixing mechanism;

[0029] The fixing mechanism includes a first bracket 2, the bottom of the first bracket 2 is fixedly connected to a first electric push rod 3, the bottom of the first electric push rod 3 is fixedly connected to a second bracket 4, the bottom of the second bracket 4 is fixedly connected to a second electric push rod 5, the bottom of the second electric push rod 5 is fixedly connected to a first push block 6, the bottom of the second bracket 4 is fixedly connected to a straight plate 7, the top of the straight plate 7 is provided with a through slot, two fixing frames 8 are slidingly arranged in the through slot, the ends of the two fixing frames 8 close to each other are respectively fixedly connected to the second push block 9, the left and right inner walls of the through slot are respectively provided with sliding slots, the two ends of the two fixing frames 8 are respectively fixedly connected to sliders 10, and the front and rear inner walls of the through slot are respectively fixedly connected to springs 11.

[0030] The ends of the springs 11 that are close to each other are fixedly connected to the fixing brackets 8 , and the sliders 10 are slidably arranged in the sliding grooves.

[0031] The bottom of the base plate 1 is fixedly connected with moving wheels 12, and four moving wheels 12 are provided.

[0032] A push frame 13 is fixedly connected to the right side of the bottom plate 1, and the straight plate 7 is located in the groove.

[0033] Through the above technical solution, the moving wheels 12 at the bottom of the base plate 1 facilitate the movement of the entire device on the track. The second bracket 4 is pushed downward by the first electric push rod 3, and then the straight plate 7 is driven downward. After reaching the specified position, the first push block 6 is pushed downward by the second electric push rod 5. The first push block 6 simultaneously contacts the second push block 9, so that the fixing frame 8 squeezes the spring 11, and then the sliders 10 on the left and right sides of the fixing frame 8 slide in the slide groove. Under the action of the first push block 6, the two fixing frames 8 slide forward and backward at the same time in the through groove, so that the fixing frames 8 respectively contact the inner side of the track, thereby achieving the fixation of the entire device, avoiding the shaking of the device during maintenance operation, ensuring stability, and improving maintenance efficiency.

[0034] Example 2

[0035] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , and on the basis of Example 1, it is further obtained that: the disassembly mechanism includes a cross bar 14, the top of the cross bar 14 is fixedly connected to the third electric push rod 15, the top of the third electric push rod 15 is fixedly connected to the connecting plate 16, the front of the cross bar 14 is fixedly connected to the motor 17, the bottom of the cross bar 14 is provided with a cross groove, a screw rod 18 is rotatably arranged in the cross groove, the surface of the screw rod 18 is threadedly connected to a moving column 19, and the bottom of the moving column 19 is fixedly connected to an electric wrench 20.

[0036] The right side of the connecting plate 16 is fixedly connected to the first bracket 2 . Two sliding holes are provided on the top of the connecting plate 16 . Limiting rods 21 are slidably inserted into the two sliding holes. The bottoms of the limiting rods 21 are fixedly connected to the cross bars 14 .

[0037] The movable column 19 is slidably arranged in the transverse groove, and the front surface of the screw rod 18 is fixedly connected to the motor 17 by movably penetrating the transverse rod 14.

[0038] Through the above technical solution, the third electric push rod 15 pushes the cross bar 14 downward, so that the height of the electric wrench 20 can be adjusted, and the motor 17 drives the screw rod 18 to rotate, so that the movable column 19 can be moved. The third electric push rod 15 cooperates with the electric wrench 20 to align with the bolts on the track for disassembly or installation operations, and the limit rod 21 is set to ensure the stability of the third electric push rod 15 when disassembling or installing the bolts.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit thereof, and the scope is defined by the appended claims and their equivalents.

Claims

1. A rail transit maintenance device, comprising a base plate (1), characterized in that: A groove is provided on the top of the bottom plate (1), a fixing mechanism is fixedly connected to the top of the bottom plate (1), and a disassembly mechanism is provided on the left side of the fixing mechanism; The fixing mechanism comprises a first bracket (2), the bottom of the first bracket (2) is fixedly connected to a first electric push rod (3), the bottom of the first electric push rod (3) is fixedly connected to a second bracket (4), the bottom of the second bracket (4) is fixedly connected to a second electric push rod (5), the bottom of the second electric push rod (5) is fixedly connected to a first push block (6), the bottom of the second bracket (4) is fixedly connected to a straight plate (7), the top of the straight plate (7) is provided with a through slot, two fixing frames (8) are slidably arranged in the through slot, the ends of the two fixing frames (8) close to each other are respectively fixedly connected to a second push block (9), the left and right inner walls of the through slot are respectively provided with sliding slots, the two ends of the two fixing frames (8) are respectively fixedly connected to sliders (10), and the front and rear inner walls of the through slot are respectively fixedly connected to springs (11).

2. A rail transit maintenance device according to claim 1, characterized in that: The ends of the springs (11) that are close to each other are fixedly connected to the fixing frames (8), and the sliders (10) are slidably arranged in the sliding grooves.

3. The rail transit maintenance device according to claim 1, characterized in that: The bottom of the base plate (1) is fixedly connected with moving wheels (12), and four moving wheels (12) are provided.

4. The rail transit maintenance device according to claim 1, characterized in that: The right side of the bottom plate (1) is fixedly connected with a push frame (13), and the straight plate (7) is located in the groove.

5. The rail transit maintenance device according to claim 1, characterized in that: The disassembly mechanism comprises a cross bar (14), the top of the cross bar (14) is fixedly connected to a third electric push rod (15), the top of the third electric push rod (15) is fixedly connected to a connecting plate (16), the front of the cross bar (14) is fixedly connected to a motor (17), the bottom of the cross bar (14) is provided with a cross groove, a screw rod (18) is rotatably arranged in the cross groove, the surface of the screw rod (18) is threadedly connected to a moving column (19), and the bottom of the moving column (19) is fixedly connected to an electric wrench (20).

6. The rail transit maintenance device according to claim 5, characterized in that: The right side of the connecting plate (16) is fixedly connected to the first bracket (2), and two sliding holes are provided on the top of the connecting plate (16). Limiting rods (21) are slidably inserted into the two sliding holes, and the bottoms of the limiting rods (21) are fixedly connected to the cross bars (14).

7. The rail transit maintenance device according to claim 5, characterized in that: The movable column (19) is slidably arranged in the transverse groove, and the front surface of the screw rod (18) is fixedly connected to the motor (17) through a movable penetrating transverse rod (14).

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