Railway rail changing device

Abstract

The invention discloses a railway rail changing device which comprises an excavator, and a steel rail clamp is installed at the position of a working arm of the excavator and used for changing an old rail into a new rail. A rail changing trolley is installed at the bottom of the steel rail clamp and used for guiding an old rail and a new rail. New steel rail guide wheel assemblies are installed on the left side and the right side of the excavator and located on the front side and the rear side of the crawler belt. The railway track changing mechanical equipment has the advantage of high efficiency, and solves the problems that the existing railway track changing mechanical equipment has much inconvenience when going up and down a railway line, is very difficult to transfer among different working sites, and is particularly greatly limited in some places with complex terrains or limited spaces.

Description

Technical Field

[0001] The invention relates to the technical field of railway track changing operations, in particular to a device for railway track changing. Background Art

[0002] Traditional railroad track replacement operations usually rely on a large number of manual operations, which is not only inefficient but also poses a high safety hazard. Especially when changing tracks on busy railway lines, due to the slow speed of manual operations, it often requires a long interruption of railway traffic, which brings inconvenience to normal train operations. In addition, manual track replacement also faces problems such as a huge number of personnel and high labor intensity.

[0003] In recent years, although some mechanical equipment specifically used for railway track replacement has emerged, these equipment are often large in size, which not only causes many inconveniences when going up and down the railway line, but also makes it difficult to transfer between different work sites. Especially in some places with complex terrain or limited space, the application of large track replacement equipment is greatly restricted.

[0004] In view of the above problems, the market is in urgent need of a new device that can efficiently and safely complete the railway track changing task. The device should have the characteristics of strong flexibility and easy operation, so that it can quickly respond and perform track changing operations in various environments, thereby improving work efficiency, reducing labor costs, and ensuring the safety of operators. Summary of the invention

[0005] The purpose of the present invention is to provide a device for railway track changing, which has the advantage of high efficiency and solves the problem that the existing railway track changing mechanical equipment has many inconveniences when going up and down the railway line, and the transfer between different work sites is also very difficult, especially in some places with complex terrain or limited space, which is greatly restricted.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a device for railway track replacement, comprising an excavator, wherein a rail clamp is installed at the working arm of the excavator for replacing an old track with a new track;

[0007] A rail-changing trolley is installed at the bottom of the rail clamp to guide 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 on the front and rear sides of the crawler track.

[0009] As a preferred device for railway track changing 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] As a preferred device for railway track changing of the present invention, the bottom of the second connecting frame is rotatably connected to a rail clamp, the top of the rail clamp is rotatably connected to a driving cylinder, and the top of the driving cylinder is rotatably connected to the second connecting frame.

[0011] As a preferred device for railway track changing of the present invention, the track changing trolley includes a frame, and a first old rail lifting assembly and a second old rail lifting assembly are fixedly installed on the left and right sides of the frame respectively, a first oil cylinder is installed inside the first old rail lifting assembly, and a second oil cylinder is installed inside the second old rail lifting assembly, and the piston rods of the first oil cylinder and the second oil cylinder are installed with fixings.

[0012] As a preferred device for railway track replacement of the present invention, a mounting frame is installed at the bottom of the fixing member, and the rear side of the mounting frame is rotatably connected to an old rail tug, the old rail tug can be quickly disassembled, and the left and right sides of the mounting frame are rotatably connected to old rail guide wheels.

[0013] As a preferred device for railway track replacement of the present invention, a new rail guide assembly is fixedly connected to the outer side of the second old rail lifting assembly, a first new rail tug is rotatably connected to the bottom of the inner wall of the new rail guide assembly, and a fixed guide wheel and a flippable rail guide wheel are rotatably connected to the left and right sides of the inner wall of the new rail guide assembly respectively.

[0014] As a preferred device for railway track changing of 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 tug is rotatably connected to the right side of the top of the new rail guide wheel frame, the front and rear sides of the top of the new rail guide wheel frame are rotatably connected to the second new rail guide wheels, the first new rail guide wheel and the second new rail guide wheel are both installed with guide wheel locking mechanisms, and the guide wheel locking mechanisms are threadedly connected to the new rail guide wheel frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention uses an excavator as a power source and integrates a rail clamp, a rail-changing trolley and a new rail guide wheel assembly, so that the removal of the old rail and the installation of the new rail can be completed in a relatively short time, which greatly improves the efficiency of the rail-changing work. Traditional manual rail-changing requires a large amount of labor, while this device can reduce the degree of manual participation, and only a small number of workers are required to assist in the operation to complete the rail-changing work, thus reducing the labor cost. Since the rail-changing device is installed on the excavator, the position can be flexibly adjusted according to the specific conditions of the construction site, and it is suitable for rail-changing operations in different environments.

[0017] 2. The present invention reduces the chances of workers directly contacting heavy objects by using highly automated track changing equipment, thereby reducing potential safety hazards during operation. The entire track changing process is subdivided into several steps, each of which has clear operating instructions, making the entire process more systematic and standardized, and easy to manage and train. The device integrates multiple functions such as rail clamps and guide wheels, reducing the number of equipment and facilitating equipment maintenance and management. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

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

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

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

[0023] Figure 6 This is a schematic diagram of the rail clamp structure of the present invention;

[0024] Figure 7 This is a schematic diagram of the structure of the track-changing trolley of the present invention;

[0025] Figure 8 It is a cross-sectional schematic diagram of the track-changing trolley of the present invention;

[0026] Fig. 9 This is a first partial schematic diagram of the track-changing trolley of the present invention;

[0027] Fig.10 This is a second partial schematic diagram of the track-changing trolley of the present invention;

[0028] Fig.11 It 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 changing trolley; 6, new rail guide wheel assembly; 4-1, first connecting frame; 4-2, rotating assembly; 4-3, second connecting frame; 4-4, rail clamp; 4-5, driving cylinder; 5-1, frame; 5-2, first old rail lifting assembly; 5-3, second old rail lifting assembly; 5-4, new rail guide assembly; 5-5, fixing piece; 5-6, installation Mounting frame; 5-7, walking assembly; 5-8, first hydraulic cylinder; 5-9, second hydraulic cylinder; 5-4-1, first new rail tug; 5-4-2, fixed guide wheel; 5-4-3, flip rail guide wheel; 5-4-4, old rail guide wheel; 5-4-5, old rail tug; 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 tug; 6-6, guide wheel locking mechanism. DETAILED DESCRIPTION

[0030] See also Figure 1-Figure 11 A device for railway track replacement includes an excavator 1, and a rail clamp 4 is installed at the working arm of the excavator 1 for replacing an old track 3 with a new track 2.

[0031] Furthermore, a rail-changing trolley 5 is installed at the bottom of the rail clamp 4 to guide the old rail 3 and the new rail 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 track.

[0033] Furthermore, the rail clamp 4 includes a first connecting frame 4-1, which 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] The connecting part of the rail clamp 4-4 is provided with a synchronous tooth to realize the mechanical synchronization of the opening and closing of the clamp.

[0035] Furthermore, 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.

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

[0037] Furthermore, a mounting frame 5-6 is installed at the bottom of the fixing member 5-5, and the rear side of the mounting frame 5-6 is rotatably connected to an old rail tug 5-4-5, the old rail tug 5-4-5 can be quickly disassembled, and the left and right sides of the mounting frame 5-6 are rotatably connected to old rail guide wheels 5-4-4.

[0038] Furthermore, a new rail guide assembly 5-4 is fixedly connected to the outer side of the second old rail lifting assembly 5-3, a first new rail tug 5-4-1 is rotatably connected to the bottom of the inner wall of the new rail guide assembly 5-4, and a fixed guide wheel 5-4-2 and a flippable rail guide wheel 5-4-3 are rotatably connected to the left and right sides of the inner wall of the new rail guide assembly 5-4 respectively.

[0039] Furthermore, the new rail guide wheel assembly 6 includes a new rail guide wheel frame 6-1, which is installed on the excavator 1. The second new rail tug 6-4 is rotatably connected to the right side of the top of the new rail guide wheel frame 6-1, and the second new rail guide wheels 6-3 are rotatably connected to the front and rear sides of the top of the new rail guide wheel frame 6-1. Guide wheel locking mechanisms 6-6 are installed on the first new rail guide wheel 6-2 and the second new rail guide wheel 6-3, and the guide wheel locking mechanisms 6-6 are threadedly connected to the new rail guide 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 site and cut the part of the old track 3 that needs to be replaced.

[0042] S2. Drive the excavator 1 to a designated location.

[0043] S3. Place the track-changing trolley 5 at a position about 3 meters from the broken end of the old track 3 to be replaced.

[0044] S4, control the first oil cylinder 5-8 and the second oil cylinder 5-9 to extend, and lower the mounting frame 5-6 to the slag position, which is temporarily used to stabilize the track-changing trolley 5 to prevent it from tipping over.

[0045] S5, disassemble and separate the rail clamp 4 and the rail changing trolley 5.

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

[0047] S7, open the closed new rail guide assembly 5-4, so that the flip rail guide wheel 5-4-3 flips outward.

[0048] S8. Use the excavator 1 and the rail clamp 4 to clamp the front end of the new rail 2 and put it on the first new rail tug 5-4-1, then close the new rail guide assembly 5-4 and the reversible rail guide wheel 5-4-3 to limit the new rail 2.

[0049] S9, lock the flip rail guide wheels 5-4-3 on both sides.

[0050] S10, connecting the rail clamp 4 to the rail changing trolley 5 and connecting the hydraulic oil pipe.

[0051] S11. Clean the openings of the slag between the sleepers and remove the old rail tug 5-4-5.

[0052] S12, control the first old rail lifting assembly 5-2 and the second old rail lifting assembly 5-3 to descend, and install the old rail tug 5-4-5.

[0053] S13, controlling 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 backwards, at this time the staff assists in dropping the new track 2 into the sleeper groove and assists in moving the old track 3 to a suitable position, so as to realize the interactive replacement of the new track 2 and the old track 3.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in 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.

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).

4. The device for railway track changing according to claim 3, characterized in that: 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).

5. The device for railway track changing according to claim 4, characterized in that: 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); the old rail tug wheel (5-4-5) can be quickly disassembled, and the left and right sides of the mounting frame (5-6) are both rotatably connected to old rail guide wheels (5-4-4).

6. The device for railway track changing according to claim 5, characterized in that: A new rail guide assembly (5-4) is fixedly connected to the outer side of the second old rail lifting assembly (5-3), a first new rail tug (5-4-1) is rotatably connected to the bottom of the inner wall of the new rail guide assembly (5-4), and a fixed guide wheel (5-4-2) and a flippable rail guide wheel (5-4-3) are rotatably connected to the left and right sides of the inner wall of the new rail guide assembly (5-4).

7. The device for railway track changing according to claim 6, characterized in that: 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), a second new rail tug wheel (6-4) is rotatably connected to the right side of the top of the new rail guide wheel frame (6-1), the front and rear sides of the top of the new rail guide wheel frame (6-1) are both rotatably connected to the second new rail guide wheels (6-3), the first new rail guide wheel (6-2) and the second new rail guide wheel (6-3) are both installed with guide wheel locking mechanisms (6-6), and the guide wheel locking mechanisms (6-6) are threadedly connected to the new rail guide wheel frame (6-1).

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