A device for railway rail replacement

Abstract

The present invention discloses a device for railway rail replacement, including an excavator. A rail clamp is installed at the working arm of the excavator for replacing the old rail with a new rail. A rail replacement trolley is installed at the bottom of the rail clamp for guiding the old rail and the new rail. New rail guide wheel assemblies are installed on both the left and right sides of the excavator, and the new rail guide wheel assemblies are located on the front and rear sides of the crawler. The present invention has the advantage of high efficiency, and solves the problems that existing railway rail replacement mechanical equipment has many inconveniences when getting on and off railway lines, and it is also very difficult to transfer between different working sites, especially in some places with complex terrain or limited space, where it is greatly restricted.

Description

Technical Field

[0001] The present invention relates to the technical field of railway rail replacement operations, and particularly to a device for railway rail replacement. Background Art

[0002] Traditional railway rail replacement operations usually rely on a large number of manual operations, which not only have low work efficiency but also pose high safety hazards. Especially when replacing rails on busy railway lines, due to the slow speed of manual operations, railway traffic often needs to be interrupted for a long time, causing inconvenience to normal train operations. In addition, manual rail replacement also faces problems such as a large number of personnel requirements and high labor intensity.

[0003] In recent years, although some mechanical equipment specifically for railway rail replacement has emerged, these devices are often bulky, not only causing many inconveniences when getting on and off railway lines but also being very difficult to transfer between different work sites. Especially in some places with complex terrain or limited space, the application of large rail replacement equipment is greatly restricted.

[0004] In view of the above problems, there is an urgent need in the market for a new device that can efficiently and safely complete railway rail replacement tasks. This device should have the characteristics of strong flexibility and simple operation, so as to be able to quickly respond and perform rail replacement operations in various environments, thereby improving work efficiency, reducing labor costs, and ensuring the safety of operating personnel. Summary of the Invention

[0005] The purpose of the present invention is to provide a device for railway rail replacement, which has the advantage of high efficiency and solves the problems that existing railway rail replacement mechanical equipment has many inconveniences when getting on and off railway lines and is also very difficult to transfer between different work sites, especially in some places with complex terrain or limited space, where it is greatly restricted.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A device for railway rail replacement, including an excavator, and a rail clamp is installed at the working arm of the excavator for replacing the old rail with a new rail;

[0007] A rail replacement trolley is installed at the bottom of the rail clamp for guiding the old rail and the new rail;

[0008] New rail guide wheel assemblies are installed on both the left and right sides of the excavator, and the new rail guide wheel assemblies are located in front of and behind the crawler.

[0009] Preferably, as a device for railway rail replacement of the present invention, the rail clamp includes a first connecting frame, the first connecting frame is installed on the working arm of the excavator, a rotating assembly is installed at the bottom of the first connecting frame, and a second connecting frame is installed at the rotating end of the rotating assembly.

[0010] Preferably, as a device for railway rail replacement according to the present invention, a rail gripper is rotatably connected to the bottom of the second connecting frame, a driving oil cylinder is rotatably connected to the top of the rail gripper, and the top of the driving oil cylinder is rotatably connected to the second connecting frame.

[0011] Preferably, as a device for railway rail replacement according to the present invention, the rail replacement trolley includes a frame. A first old rail lifting assembly and a second old rail lifting assembly are respectively fixedly installed on the left and right sides of the frame. A first oil cylinder is installed inside the first old rail lifting assembly, a second oil cylinder is installed inside the second old rail lifting assembly, and a fixing member is installed on the piston rods of the first oil cylinder and the second oil cylinder.

[0012] Preferably, as a device for railway rail replacement according to the present invention, an installation frame is installed at the bottom of the fixing member. An old rail drag wheel is rotatably connected to the rear side of the installation frame. The old rail drag wheel is quickly detachable, and old rail guide wheels are rotatably connected to both the left and right sides of the installation frame.

[0013] Preferably, as a device for railway rail replacement according to the present invention, a new rail guiding assembly is fixedly connected to the outside of the second old rail lifting assembly. A first new rail drag wheel is rotatably connected to the bottom of the inner wall of the new rail guiding assembly, and a fixed guide wheel and a flip - up rail guide wheel are respectively rotatably connected to the left and right sides of the inner wall of the new rail guiding assembly.

[0014] Preferably, as a device for railway rail replacement according to the present invention, the new rail guide wheel assembly includes a new rail guide wheel frame. The new rail guide wheel frame is installed on an excavator. A second new rail drag wheel is rotatably connected to the right side of the top of the new rail guide wheel frame. A first new rail guide wheel and a second new rail guide wheel are respectively rotatably connected to the front and rear sides of the top of the new rail guide wheel frame. Guide wheel locking mechanisms are installed on both the first new rail guide wheel and the second new rail guide wheel, and the guide wheel locking mechanisms are threadedly connected to the new rail guide wheel frame.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. By using an excavator as a power source and integrating a rail clamp, a rail replacement trolley, and a new rail guide wheel assembly, the present invention can remove the old track and install the new track in a relatively short time, greatly improving the efficiency of the rail replacement work. Traditional manual rail replacement requires a large amount of labor, while this device can reduce the degree of manual participation and only requires a small number of workers to assist in the operation to complete the rail replacement work, reducing the labor cost. Since the rail replacement device is installed on an excavator, it can be flexibly adjusted according to the specific situation of the construction site and is suitable for rail replacement operations in different environments.

[0017] 2. The present invention reduces the chance of workers directly contacting heavy objects by using a rail-changing device with a high degree of automation, reducing potential safety hazards during operation. The entire rail-changing process is subdivided into several steps, each with clear operation guidelines, making the whole process more systematic and standardized, facilitating management and training. This device integrates multiple functions such as rail clamps and guide wheels, reducing the number of devices and also facilitating the maintenance and management of the devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the present invention;

[0019] Figure 2 is a schematic structural diagram of the rail clamp of the present invention;

[0020] Figure 3 is a schematic structural diagram of the first connecting frame of the present invention;

[0021] Figure 4 is a schematic structural diagram of the rotating assembly of the present invention;

[0022] Figure 5 is a schematic structural diagram of the second connecting frame of the present invention;

[0023] Figure 6 is a schematic structural diagram of the rail jaw of the present invention;

[0024] Figure 7 is a schematic structural diagram of the rail-changing trolley of the present invention;

[0025] Figure 8 is a schematic cross-sectional view of the rail-changing trolley of the present invention;

[0026] Figure 9 is a first partial schematic diagram of the rail-changing trolley of the present invention;

[0027] Figure 10 is a second partial schematic diagram of the rail-changing trolley of the present invention;

[0028] Figure 11 is a schematic structural diagram of the new rail guide wheel assembly of the present invention.

[0029] In the figure: 1, excavator; 2, new track; 3, old track; 4, rail clamp; 5, rail replacement trolley; 6, new rail guide wheel assembly; 4-1, first connecting frame; 4-2, rotating assembly; 4-3, second connecting frame; 4-4, rail jaw; 4-5, driving oil cylinder; 5-1, vehicle frame; 5-2, first old rail lifting assembly; 5-3, second old rail lifting assembly; 5-4, new rail guiding assembly; 5-5, fixing piece; 5-6, mounting frame; 5-7, traveling assembly; 5-8, first oil cylinder; 5-9, second oil cylinder; 5-4-1, first new rail towing wheel; 5-4-2, fixed guide wheel; 5-4-3, flipable rail guide wheel; 5-4-4, old rail guide wheel; 5-4-5, old rail towing wheel; 6-1, new rail guide wheel frame; 6-2, first new rail guide wheel; 6-3, second new rail guide wheel; 6-4, second new rail towing wheel; 6-6, guide wheel locking mechanism. Specific implementation mode

[0030] Please refer to Figures 1 - 11 , a device for railway rail replacement, including an excavator 1, and a rail clamp 4 is installed at the working arm of the excavator 1 for replacing the old track 3 with a new track 2.

[0031] Furthermore, a rail replacement trolley 5 is installed at the bottom of the rail clamp 4 for guiding the old track 3 and the new track 2.

[0032] Furthermore, new rail guide wheel assemblies 6 are installed on both the left and right sides of the excavator 1, and the new rail guide wheel assemblies 6 are located on the front and rear sides of the crawler.

[0033] Furthermore, the rail clamp 4 includes a first connecting frame 4-1, the first connecting frame 4-1 is installed on the working arm of the excavator 1, a rotating assembly 4-2 is installed at the bottom of the first connecting frame 4-1, and a second connecting frame 4-3 is installed at the rotating end of the rotating assembly 4-2.

[0034] Synchronous teeth are provided at the connecting part of the rail jaw 4-4 to achieve mechanical synchronization of the jaw opening and closing.

[0035] Furthermore, a rail jaw 4-4 is rotatably connected to the bottom of the second connecting frame 4-3, a driving oil cylinder 4-5 is rotatably connected to the top of the rail jaw 4-4, and the top of the driving oil cylinder 4-5 is rotatably connected to the second connecting frame 4-3.

[0036] Furthermore, the rail replacement trolley 5 includes a vehicle frame 5-1, a first old rail lifting assembly 5-2 and a second old rail lifting assembly 5-3 are respectively and fixedly installed on both the left and right sides of the vehicle frame 5-1, a first oil cylinder 5-8 is installed inside the first old rail lifting assembly 5-2, a second oil cylinder 5-9 is installed inside the second old rail lifting assembly 5-3, and a fixing piece 5-5 is installed on the piston rods of the first oil cylinder 5-8 and the second oil cylinder 5-9.

[0037] Furthermore, an installation frame 5-6 is installed at the bottom of the fixing member 5-5. An old rail drag wheel 5-4-5 is rotatably connected to the rear side of the installation frame 5-6. The old rail drag wheel 5-4-5 is quickly detachable. Old rail guiding wheels 5-4-4 are rotatably connected to both the left and right sides of the installation frame 5-6.

[0038] Furthermore, a new rail guiding assembly 5-4 is fixedly connected to the outside of the second old rail lifting assembly 5-3. A first new rail drag wheel 5-4-1 is rotatably connected to the bottom of the inner wall of the new rail guiding assembly 5-4. A fixed guiding wheel 5-4-2 and a flipable rail guiding wheel 5-4-3 are respectively rotatably connected to the left and right sides of the inner wall of the new rail guiding assembly 5-4.

[0039] Furthermore, the new rail guiding wheel assembly 6 includes a new rail guiding wheel frame 6-1. The new rail guiding wheel frame 6-1 is installed on the excavator 1. A second new rail drag wheel 6-4 is rotatably connected to the right side of the top of the new rail guiding wheel frame 6-1. A first new rail guiding wheel 6-2 and a second new rail guiding wheel 6-3 are respectively rotatably connected to the front and rear sides of the top of the new rail guiding wheel frame 6-1. Guide wheel locking mechanisms 6-6 are installed on both the first new rail guiding wheel 6-2 and the second new rail guiding wheel 6-3. The guide wheel locking mechanisms 6-6 are threadedly connected to the new rail guiding wheel frame 6-1.

[0040] When replacing the old track 3 with the new track 2, the following steps are included:

[0041] S1. Personnel enter the construction position and cut the part of the old track 3 that needs to be replaced.

[0042] S2. Drive the excavator 1 to the designated position.

[0043] S3. Place the rail replacement trolley 5 at a position about 3 meters on the fracture side of the old track 3 that needs to be replaced.

[0044] S4. Control the first oil cylinder 5-8 and the second oil cylinder 5-9 to extend, and lower the installation frame 5-6 to the ballast position to temporarily stabilize the rail replacement trolley 5 to prevent it from tipping over.

[0045] S5. Disassemble and separate the rail clamp 4 from the rail replacement trolley 5.

[0046] S6. Control the excavator 1 to use the rail clamp 4 to pick up the new track 2 and place it between the first new rail guiding wheel 6-2 and the second new rail guiding wheel 6-3. After determining the position of the rail, use the guide wheel locking mechanism 6-6 to lock the first new rail guiding wheel 6-2 and the second new rail guiding wheel 6-3.

[0047] S7. Open the closed new rail guiding assembly 5-4 to turn the flipable rail guiding wheel 5-4-3 outwards.

[0048] S8. Clamp the front end of the new rail 2 with the excavator 1 and the rail clamp 4 respectively and place it on the first new rail carrier wheel 5-4-1. Then close the new rail guiding assembly 5-4 and the reversible rail guiding wheel 5-4-3 to limit the new rail 2.

[0049] S9. Lock the reversible rail guiding wheels 5-4-3 on both sides.

[0050] S10. Connect the rail clamp 4 to the rail replacement trolley 5 and connect the hydraulic oil pipe.

[0051] S11. Clean the opening between the sleepers and remove the old rail carrier wheel 5-4-5.

[0052] S12. Control the first old rail lifting assembly 5-2 and the second old rail lifting assembly 5-3 to lower, and install the old rail carrier wheel 5-4-5.

[0053] S13. Control the first old rail lifting assembly 5-2 and the second old rail lifting assembly 5-3 to rise.

[0054] S14. Control the excavator 1 to move backward. At this time, the staff assist in dropping the new rail 2 into the sleeper groove and the staff assist in moving the old rail 3 to a proper position to realize the interactive replacement of the new rail 2 and the old rail 3.

[0055] The above are only the 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 principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A device for railway track changing, comprising an excavator (1), characterized in that: A rail clamp (4) is installed at the working arm of the excavator (1) for replacing the old rail (3) with a new rail (2); A rail-changing trolley (5) is installed at the bottom of the rail clamp (4) for guiding the old rail (3) and the new rail (2); New rail guide wheel assemblies (6) are installed on both the left and right sides of the excavator (1), and the new rail guide wheel assemblies (6) are located on the front and rear sides of the crawler track; The rail-changing trolley (5) comprises a frame (5-1), a first old rail lifting assembly (5-2) and a second old rail lifting assembly (5-3) are respectively fixedly mounted on the left and right sides of the frame (5-1), a first oil cylinder (5-8) is mounted inside the first old rail lifting assembly (5-2), a second oil cylinder (5-9) is mounted inside the second old rail lifting assembly (5-3), and the piston rods of the first oil cylinder (5-8) and the second oil cylinder (5-9) are mounted with fixing parts (5-5); A mounting frame (5-6) is installed at the bottom of the fixing member (5-5), and an old rail tug wheel (5-4-5) is rotatably connected to the rear side of the mounting frame (5-6), and the old rail tug wheel (5-4-5) can be quickly disassembled. The left and right sides of the mounting frame (5-6) are both rotatably connected to old rail guide wheels (5-4-4); The outer side of the second old rail lifting assembly (5-3) is fixedly connected to a new rail guide assembly (5-4), the bottom of the inner wall of the new rail guide assembly (5-4) is rotatably connected to a first new rail tug (5-4-1), and the left and right sides of the inner wall of the new rail guide assembly (5-4) are rotatably connected to a fixed guide wheel (5-4-2) and a reversible rail guide wheel (5-4-3); The new rail guide wheel assembly (6) comprises a new rail guide wheel frame (6-1), the new rail guide wheel frame (6-1) is installed on the excavator (1), the top right side of the new rail guide wheel frame (6-1) is rotatably connected to a second new rail tug wheel (6-4), the front and rear sides of the top of the new rail guide wheel frame (6-1) are rotatably connected to a first new rail guide wheel (6-2) and a second new rail guide wheel (6-3), the first new rail guide wheel (6-2) and the second new rail guide wheel (6-3) are both installed with a guide wheel locking mechanism (6-6), and the guide wheel locking mechanism (6-6) is threadedly connected to the new rail guide wheel frame (6-1).

2. The device for railway track changing according to claim 1, characterized in that: The rail clamp (4) comprises a first connecting frame (4-1), the first connecting frame (4-1) is mounted on the working arm of the excavator (1), a rotating assembly (4-2) is mounted on the bottom of the first connecting frame (4-1), and a second connecting frame (4-3) is mounted on the rotating end of the rotating assembly (4-2).

3. The device for railway track changing according to claim 2, characterized in that: The bottom of the second connecting frame (4-3) is rotatably connected to a rail clamp (4-4), the top of the rail clamp (4-4) is rotatably connected to a driving cylinder (4-5), and the top of the driving cylinder (4-5) is rotatably connected to the second connecting frame (4-3).

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