Device for railway sleeper replacement

Abstract

The utility model discloses a device for railway sleeper replacement, which comprises an upper connecting frame, the bottom of the upper connecting frame is fixedly connected with a rotary driving device, and the rotating end of the rotary driving device is fixedly connected with a clamping jaw support frame; the right side of the inner wall of the clamping jaw supporting frame is rotationally connected with a first sleeper clamping jaw, and the left side of the inner wall of the clamping jaw supporting frame is rotationally connected with a second sleeper clamping jaw. The railway sleeper replacement device has the advantage of high efficiency, and the problems that in the using process of an existing railway sleeper replacement device, it is inconvenient to efficiently replace sleepers, the time needed by replacement operation each time can be increased, and running of a train is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway track maintenance, in particular to a device for replacing railway sleepers. Background Art

[0002] Railway sleeper replacement refers to the process of replacing railroad sleepers beneath tracks. It is crucial for maintaining the quality of railway lines. Over time, sleepers gradually wear out and age due to repeated train traffic, the effects of the natural environment, and mechanical vibration. Wooden sleepers are particularly susceptible to decay due to factors such as humidity fluctuations and microbial attack. While concrete sleepers are more durable, they can also crack or break due to long-term stress. Therefore, sleeper replacement is necessary.

[0003] The existing device for replacing railway sleepers is not convenient for efficiently replacing sleepers during use, which increases the time required for each replacement operation and affects the operation of the train. Utility Model Content

[0004] The purpose of the utility model is to provide a device for replacing railway sleepers, which has the advantage of high efficiency and solves the problem that the existing device for replacing railway sleepers is not convenient for efficiently replacing sleepers during use, which increases the time required for each replacement operation and affects the operation of the train.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for changing sleepers on railways, comprising an upper connecting frame,

[0006] The bottom of the upper connecting frame is fixedly connected to a rotation drive device, and the rotating end of the rotation drive device is fixedly connected to a clamping claw support frame;

[0007] The right side of the inner wall of the clamp support frame is rotatably connected to the first sleeper clamp, and the left side of the inner wall of the clamp support frame is rotatably connected to the second sleeper clamp;

[0008] The clamping oil cylinder is rotatably connected to the inside of the clamping jaw support frame, the piston rod of the clamping oil cylinder is rotatably connected to the top of the first sleeper clamping jaw, and the first sleeper clamping jaw and the second sleeper clamping jaw are rotatably connected to the clamping jaw synchronization connecting rod;

[0009] A ballast excavation component is fixedly installed on the bottom of the upper connecting frame.

[0010] As a preferred device for railway sleeper replacement of the present invention, a pin shaft mounting hole is provided on the top of the upper connecting frame for connection with the working arm of the excavator.

[0011] As a preferred device for railway sleeper replacement of the present invention, sleeper limiting and stabilizing devices are installed on both the front and rear sides of the clamping claw support frame, and the sleeper limiting and stabilizing devices are used to limit the top of the sleeper.

[0012] As a preferred device for railway sleeper replacement of the present invention, the bottoms of the first sleeper clamping jaw and the second sleeper clamping jaw are provided with arc-shaped limiting parts for preventing the clamped sleepers from falling.

[0013] As a preferred device for railway sleeper replacement of the utility model, the bottoms of the first sleeper clamp and the second sleeper clamp are provided with a plurality of notches for reducing the contact area between the first sleeper clamp and the second sleeper clamp and the slag when replacing the sleepers.

[0014] As a preferred device for railway sleeper replacement of the present invention, a hydraulic lock is fixedly installed on the clamping cylinder to prevent internal leakage of the hydraulic pressure of the clamping cylinder.

[0015] As a preferred device for replacing railway sleepers according to the present invention, the ballast excavation component includes an excavation panel, which is fixedly connected to the bottom of the upper connecting frame, an opening is provided on the excavation panel, a roller is rotatably connected inside the opening, and a plurality of excavation teeth are fixedly installed on one side of the excavation panel.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The camming mechanism that makes the camming jaw and the second sleeper clamping frame move downward synchronously is moved to the top of the sleeper clamping position, and the camming jaw and the second sleeper clamping frame are moved downward synchronously.

[0018] 2. The ballast excavation component of the present invention is fixed on the upper connecting frame and is used for excavating, cleaning and backfilling ballast in the roadbed. The roller is installed in the opening to limit the depth of ballast excavation. The cross-section of the roller is circular and can rotate in the opening to effectively protect the rails and prevent them from being damaged. Multiple mounting positions for use with the roller are provided inside the opening to adapt to different excavation depths. The left side of the excavation panel is bent upward at a certain angle to better adapt to the completion of the excavation action. Several excavation teeth are provided on the left side to reduce excavation resistance and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the upper connecting frame of the utility model;

[0021] Figure 3 This is a schematic structural diagram of the rotary drive device of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the clamping claw support frame of the utility model;

[0023] Figure 5 This is a schematic diagram of the synchronous connecting rod structure of the clamping jaws of the utility model;

[0024] Figure 6 This is a schematic structural diagram of the first sleeper clamp and the second sleeper clamp of the utility model;

[0025] Figure 7 This is a schematic diagram of the structure of the clamping cylinder of the utility model;

[0026] Figure 8 This is a schematic diagram of the structure of the ballast excavation component of the utility model Figure 1 ;

[0027] Figure 9 This is a schematic diagram of the structure of the ballast excavation component of the utility model Figure 2 ;

[0028] Figure 10 This is a schematic diagram of the structure of the ballast excavation component of the utility model Figure 3 .

[0029] In the figure: 1. Upper connecting frame; 2. Rotary drive device; 3. Clamp support frame; 3-1. Sleeper limit stabilization device; 4. Clamp synchronization connecting rod; 5. First sleeper clamp; 6. Second sleeper clamp; 7. Clamping cylinder; 7-1. Hydraulic lock; 8. Ballast excavation component; 8-1. Excavation panel; 8-2. Roller; 8-3. Excavation tooth. DETAILED DESCRIPTION

[0030] See also Figures 1-10 A device for changing sleepers on railways includes an upper connecting frame 1, a rotary drive device 2 is fixedly connected to the bottom of the upper connecting frame 1, and a clamping claw support frame 3 is fixedly connected to the rotating end of the rotary drive device 2.

[0031] Furthermore, a pin shaft mounting hole is provided on the top of the upper connecting frame 1 for connecting to the working arm of the excavator.

[0032] Furthermore, sleeper limiting and stabilizing devices 3 - 1 are installed on both the front and rear sides of the clamping claw support frame 3 , and the sleeper limiting and stabilizing devices 3 - 1 are used to limit the top of the sleeper.

[0033] Furthermore, the right side of the inner wall of the clamp support frame 3 is rotatably connected to the first sleeper clamp 5, and the left side of the inner wall of the clamp support frame 3 is rotatably connected to the second sleeper clamp 6.

[0034] Furthermore, arc-shaped limiting portions are provided at the bottoms of the first sleeper clamping jaw 5 and the second sleeper clamping jaw 6 to prevent the clamped sleepers from falling.

[0035] Furthermore, a plurality of notches are provided at the bottom of the first sleeper clamp 5 and the second sleeper clamp 6, so as to reduce the contact area between the first sleeper clamp 5 and the second sleeper clamp 6 and the slag when changing sleepers.

[0036] Furthermore, the clamping cylinder 7 is rotatably connected inside the clamping support frame 3, and the piston rod of the clamping cylinder 7 is rotatably connected to the top of the first sleeper clamp 5. The first sleeper clamp 5 and the second sleeper clamp 6 are rotatably connected to the clamping synchronous connecting rod 4.

[0037] Furthermore, a hydraulic lock 7 - 1 is fixedly installed on the clamping cylinder 7 to prevent the hydraulic pressure of the clamping cylinder 7 from leaking.

[0038] Furthermore, a ballast excavation component 8 is fixedly mounted on the bottom of the upper connecting frame 1 .

[0039] Furthermore, the ballast excavation component 8 includes an excavation panel 8-1, which is fixedly connected to the bottom of the upper connecting frame 1. An opening is provided on the excavation panel 8-1, and a roller 8-2 is rotatably connected inside the opening. Several excavation teeth 8-3 are fixedly installed on one side of the excavation panel 8-1.

[0040] When the railway sleeper needs to be replaced, the upper connecting frame 1 and the working arm of the excavator are connected through the pin shaft mounting hole on the top of the upper connecting frame 1, and the working arm of the excavator drives the upper connecting frame 1 to move, and the clamping claw support frame 3 can be driven to rotate by the rotation driving device 2, and the angle of the first sleeper clamping claw 5 and the second sleeper clamping claw 6 is adjusted to be located at the top of the sleeper clamping position, and then the working arm drives the upper connecting frame 1, the rotation driving device 2 and the clamping claw support frame 3 to move downward synchronously, and the first sleeper clamping claw 5 and the second sleeper clamping claw 6 are moved to the clamping position of the sleeper. After the movement is completed, the clamping oil cylinder 7 drives the first sleeper clamping claw 5 to rotate, and the first sleeper clamping claw 5 drives the second sleeper clamping claw 6 to rotate synchronously through the transmission of the clamping claw synchronous connecting rod 4, so that the first sleeper clamping claw 5 and the second sleeper clamping claw 6 rotate relative to each other to clamp and fix the sleeper. The bottom of the sleeper limiting stabilizing device 3-1 contacts the top of the sleeper, limits the sleeper to prevent it from shaking, and after the clamping is completed, the sleeper is installed and disassembled, and the sleeper is replaced.

[0041] The hydraulic lock 7-1 prevents the unstable support of the sleepers due to hydraulic leakage when clamping the sleepers, and prevents the sleepers from falling off during construction, causing casualties.

[0042] The ballast excavation component 8 is fixed on the upper connecting frame 1 and is used for excavating, cleaning and backfilling ballast in the roadbed. The roller 8-2 is installed in the opening to limit the depth of ballast excavation. The cross-section of the roller 8-2 is circular and can rotate in the opening to effectively protect the rails and prevent them from being damaged.

[0043] A plurality of mounting positions for use with the roller 8-2 are provided inside the opening to adapt to different excavation depths.

[0044] The left side of the excavation panel 8-1 is bent upward at a certain angle, which can better adapt to the completion of the excavation action. The several excavation teeth 8-3 set on the left side of 801 can reduce the excavation resistance and improve work efficiency.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for changing sleepers on railways, comprising an upper connecting frame (1), characterized in that: The bottom of the upper connecting frame (1) is fixedly connected to a rotary drive device (2), and the rotating end of the rotary drive device (2) is fixedly connected to a clamping claw support frame (3); The right side of the inner wall of the clamping support frame (3) is rotatably connected to a first sleeper clamping clamp (5), and the left side of the inner wall of the clamping support frame (3) is rotatably connected to a second sleeper clamping clamp (6); The clamping oil cylinder (7) is rotatably connected inside the clamping jaw support frame (3), and the piston rod of the clamping oil cylinder (7) is rotatably connected to the top of the first sleeper clamping jaw (5), and the first sleeper clamping jaw (5) and the second sleeper clamping jaw (6) are rotatably connected to a clamping jaw synchronization connecting rod (4); A ballast excavation component (8) is fixedly mounted on the bottom of the upper connecting frame (1).

2. The device for replacing railway sleepers according to claim 1, characterized in that: A pin shaft mounting hole is provided on the top of the upper connecting frame (1) for connection with the working arm of the excavator.

3. The device for replacing railway sleepers according to claim 1, characterized in that: Sleeper position limiting and stabilizing devices (3-1) are installed on both the front and rear sides of the clamping claw support frame (3), and the sleeper position limiting and stabilizing devices (3-1) are used to limit the top of the sleeper.

4. The device for replacing railway sleepers according to claim 1, characterized in that: The bottoms of the first sleeper clamp (5) and the second sleeper clamp (6) are provided with arc-shaped limiting portions for preventing the clamped sleepers from falling.

5. The device for replacing railway sleepers according to claim 1, characterized in that: The bottoms of the first sleeper clamp (5) and the second sleeper clamp (6) are provided with a plurality of notches for reducing the contact area between the first sleeper clamp (5) and the second sleeper clamp (6) and the slag when changing sleepers.

6. The device for railway sleeper replacement according to claim 1, characterized in that: A hydraulic lock (7-1) is fixedly mounted on the clamping oil cylinder (7) to prevent internal leakage of the hydraulic pressure of the clamping oil cylinder (7).

7. The device for railway sleeper replacement according to claim 1, characterized in that: The ballast excavation component (8) comprises an excavation panel (8-1), the excavation panel (8-1) is fixedly connected to the bottom of the upper connecting frame (1), an opening is provided on the excavation panel (8-1), a roller (8-2) is rotatably connected inside the opening, and a plurality of excavation teeth (8-3) are fixedly mounted on one side of the excavation panel (8-1).

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