Plate uncovering device for track plate

Abstract

The utility model provides a plate uncovering device for a track plate, and relates to the technical field of track plate uncovering, the plate uncovering device comprises displacement mechanisms arranged at the tops of base plates on the two sides of the front end and the rear end of a track plate body, lifters are arranged at the tops of the displacement mechanisms, a track plate clamping tool comprises a lifting seat, a pressing plate, an L-shaped lifting plate and a positioning pressing rod, and the lifting seat is connected with the lifters. A pressing plate is arranged above one side wall of the lifting seat, an L-shaped lifting plate is arranged below the side wall of the lifting seat below the pressing plate, and a positioning pressing rod is arranged above one end of the pressing plate; the L-shaped lifting plate of the track plate clamping tool can lift the track plate body from the bottom, the pressing plate, the positioning pressing rod and the first fastening bolt are matched with the second fastening bolt, and the track plate body and a sleeper at the top of the track plate body can be connected. The track plate body and the track plate clamping tool are stably combined into a whole for in-situ lifting.

Description

Technical Field

[0001] This utility model relates to the field of track slab lifting technology, and in particular to a track slab lifting device. Background Technology

[0002] The track slab, mortar layer, and base plate are closely connected in a rail transit system, forming an important part of the track structure. The track slab is the load-bearing component of the track structure, used to support and fix the rails and transfer the train load to the underlying structure. Track slabs are typically made of materials such as concrete, possessing high strength and rigidity. The mortar layer, located between the track slab and the base plate, primarily serves to buffer, dampen vibrations, and support the track slab. It is usually made of a mixture of cement, emulsified asphalt, and other materials, forming a three-dimensional network structure that possesses both flexibility and a certain degree of rigidity. The base plate is the bottom layer of the track structure, used to transfer the load of the track slab to the foundation. The base plate is typically made of materials such as concrete, possessing high strength and stability.

[0003] When chiseling out the mortar layer, the track slab needs to be lifted to expose the mortar layer. In existing technologies, the track slab is usually lifted using hoisting equipment before the mortar layer is chiseled out. However, when the track slab is repositioned after being lifted and laid, it needs to be repositioned, increasing the difficulty of the operation and hindering efficient work. Therefore, this utility model proposes a track slab lifting device to solve the problems existing in the prior art. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a track slab lifting device. The L-shaped lifting plate of the track slab clamping fixture can lift the track slab body from the bottom. The pressure plate, positioning pressure rod, and first fastening bolt cooperate with each other, and the second fastening bolt can connect the track slab body and the sleeper on the top of the track slab body. This allows the track slab body and the track slab clamping fixture to be stably integrated and lifted in situ. The lifting mechanism driven by the geared motor has the advantages of high stability and synchronization, and can quickly lift the track slab body and accurately reset it.

[0005] To achieve the objectives of this utility model, the following technical solution is adopted:

[0006] A track slab lifting device includes a displacement mechanism disposed on the top of base plates on both the front and rear ends of the track slab body. A lifting mechanism is mounted on top of the displacement mechanism and is driven by a geared motor. A track slab clamping fixture is mounted on the lifting mechanism. The track slab clamping fixture includes a lifting seat, a pressure plate, an L-shaped lifting plate, and a positioning pressure rod. The lifting seat is connected to the lifting mechanism. A pressure plate is located above one side wall of the lifting seat, and an L-shaped lifting plate is located below the pressure plate on the lower side wall of the lifting seat. A positioning pressure rod is located above one end of the pressure plate. A first connecting screw hole is located at the center of the top of the positioning pressure rod. Second connecting screw holes are located on both sides of the first connecting screw hole. A first fastening bolt is located in the first connecting screw hole, and a second fastening bolt is located in each of the second connecting screw holes.

[0007] A further improvement is that the displacement mechanism includes a dovetail groove track and a dovetail slide plate. The dovetail groove track is set on the top of the base plate on both the front and rear ends of the track plate body. The dovetail slide plate is slidably mounted on the dovetail groove track. The lifting mechanism is set on the top of the dovetail slide plate.

[0008] A further improvement is that the elevator includes a base, a screw rod, and a guide rod. The screw rod is rotatably mounted on the base, and the geared motor drives the screw rod to rotate. A guide rod is provided on the top of the base on one side of the screw rod.

[0009] A further improvement is that the lifting seat is provided with an internal threaded connection hole and a sliding hole. The lifting seat is connected to the screw rod through the internal threaded connection hole, and the lifting seat is slidably connected to the guide rod through the sliding hole.

[0010] A further improvement is that the lifting seat, pressure plate, and L-shaped lifting plate are integrally formed.

[0011] A further improvement is that the dovetail groove track is provided with fixing holes, and fixing bolts are provided in the fixing holes. The dovetail groove track is installed to the top of the base plate by fixing bolts.

[0012] The beneficial effects of this utility model are as follows: This utility model sets a displacement mechanism on the top of the base plate on both the front and rear ends of the track plate body, and sets a lift on the displacement mechanism. Then, a track plate clamping fixture is set on the lift. The L-shaped lifting plate of the track plate clamping fixture can lift the track plate body from the bottom. The pressure plate, the positioning pressure rod and the first fastening bolt cooperate with each other and the second fastening bolt can connect the track plate body and the sleeper on the top of the track plate body. This realizes the stable integration of the track plate body and the track plate clamping fixture into a whole for in-situ lifting. The lifting of the lift driven by the geared motor has the advantages of high stability and synchronization, and can realize the quick opening and precise repositioning of the track plate body. Attached Figure Description

[0013] Figure 1This is a three-dimensional front view of the structure of this utility model;

[0014] Figure 2 This is a three-dimensional schematic diagram of the displacement mechanism structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the track slab clamping fixture and the elevator assembly mechanism of this utility model;

[0016] Figure 4 This is a schematic diagram of the connection structure of the lifting seat, pressure plate, and L-shaped lifting plate of this utility model;

[0017] Figure 5 This is a schematic diagram illustrating the lifting principle of the L-shaped lifting plate of this utility model.

[0018] The components include: 1. Track slab body; 2. Base plate; 3. Displacement mechanism; 301. Dovetail groove track; 302. Dovetail slide plate; 4. Lifting machine; 401. Base; 402. Helical screw; 403. Guide rod; 5. Gear motor; 6. Track slab clamping fixture; 601. Lifting seat; 602. Pressure plate; 603. L-shaped lifting plate; 604. Positioning pressure rod; 605. First connecting screw hole; 606. Second connecting screw hole; 607. First fastening bolt; 608. Second fastening bolt; 7. Internal threaded connecting hole; 8. Sliding hole; 9. Fixing hole; 10. Fixing bolt. Detailed Implementation

[0019] To enhance understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are for illustrative purposes only and do not constitute a limitation on the scope of protection of this utility model.

[0020] Example 1

[0021] according to Figure 1-5 As shown, this embodiment proposes a track slab lifting device, including a displacement mechanism 3 disposed on the top of the base plates 2 on both the front and rear ends of the track slab body 1. The top of the displacement mechanism 3 is provided with a lifting machine 4, which is driven by a reduction motor 5. The lifting machine 4 is provided with a track slab clamping fixture 6, which includes a lifting seat 601, a pressure plate 602, an L-shaped lifting plate 603, and a positioning pressure rod 604. The lifting seat 601 is connected to the lifting machine 4. The pressure plate 602 is provided above one side wall of the lifting seat 601. The L-shaped lifting plate 603 is provided below the side wall of the lifting seat 601 below the pressure plate 602. The positioning pressure rod 604 is provided above one end of the pressure plate 602. The positioning pressure rod 604 has a first connecting screw hole 605 at the top center. The first connecting screw hole 605 has second connecting screw holes 606 on both sides. The first connecting screw hole 605 has a first fastening bolt 607, and the second connecting screw holes 606 have a second fastening bolt 608.

[0022] When the track slab lifting device of this utility model lifts and opens the track slab body 1 in situ, four sets of displacement mechanisms 3 are respectively installed on the top of the base plates 2 on both the front and rear ends of the track slab body 1. Then, the track slab clamping fixture 6 is controlled to descend to the designated position on the elevator 4, and the elevator 4 is controlled to move inward under the drive of the displacement mechanisms 3, so that the horizontal part of the L-shaped lifting plate 603 moves to the bottom of the track slab body 1, and one end of the pressure plate 602 is located between two adjacent sets of sleepers at the top of the track slab body 1. Then, the first fastening bolt 607 is installed in the first connecting screw hole 605, and the lower end of the first connecting screw hole 605 passes through the hole on the pressure plate 602 to press and fix the track slab body 1. Then, the second fastening bolt 608 is installed in the second connecting screw hole 606, so that the second fastening bolt 608 is connected to the connecting hole on the sleeper. Finally, the reduction motor 5 is started synchronously to control the elevator 4 to lift, so that the track slab body 1 is lifted and opened in situ.

[0023] The displacement mechanism 3 includes a dovetail groove track 301 and a dovetail slide plate 302. The dovetail groove track 301 is disposed on the top of the base plates 2 on both the front and rear ends of the track slab body 1. The dovetail slide plate 302 is slidably mounted on the dovetail groove track 301. The lifting mechanism 4 is disposed on top of the dovetail slide plate 302. The displacement mechanism 3 enables the track slab body 1 to be lifted for correction, and the position of the lifting mechanism 4 can be adjusted laterally by controlling the movement of the dovetail slide plate 302 on the dovetail groove track 301.

[0024] The lifting platform 4 includes a base 401, a screw 402, and a guide rod 403. The screw 402 is rotatably mounted on the base 401, and the reduction motor 5 drives the screw 402 to rotate. The guide rod 403 is located on the top of the base 401 on one side of the screw 402. The lifting seat 601 is provided with an internal threaded connection hole 7 and a sliding hole 8. The lifting seat 601 is connected to the screw 402 through the internal threaded connection hole 7, and the lifting seat 601 is slidably connected to the guide rod 403 through the sliding hole 8. When the lifting platform 4 of this utility model is activated, the reduction motor 5 starts and controls the spiral screw 402 to rotate (in this utility model, a worm gear is provided on the shaft at the lower end of the spiral screw 402 in the base 401, and a worm gear meshing with the worm gear is rotatably provided inside the base 401. The output end of the reduction motor 5 is connected to the worm gear, and drives the spiral screw 402 with the worm gear to rotate by driving the worm gear to rotate. This part of the structure is prior art, so it is not shown in the figure). When the spiral screw 402 rotates, the lifting seat 601 moves synchronously on the spiral screw 402 and the guide rod 403 to achieve lifting or lowering.

[0025] This utility model provides a displacement mechanism 3 on the top of the base plate 2 on both the front and rear ends of the track plate body 1, and a lift 4 on the displacement mechanism 3. Then, a track plate clamping fixture 6 is set on the lift 4. The L-shaped lifting plate 603 of the track plate clamping fixture 6 can lift the track plate body 1 from the bottom. The pressure plate 602, the positioning pressure rod 604, and the first fastening bolt 607 cooperate with each other to connect the track plate body 1 and the sleeper on the top of the track plate body 1 with the second fastening bolt 608. This enables the track plate body 1 and the track plate clamping fixture 6 to be stably integrated and lifted in place. The lift 4 driven by the reduction motor 5 has the advantages of high stability and synchronization, and can quickly open the track plate body 1 and accurately reset the track plate body 1.

[0026] Example 2

[0027] according to Figure 1-5 As shown, this embodiment proposes a track slab lifting device, including a displacement mechanism 3 disposed on the top of the base plates 2 on both the front and rear ends of the track slab body 1. The top of the displacement mechanism 3 is provided with a lifting machine 4, which is driven by a reduction motor 5. The lifting machine 4 is provided with a track slab clamping fixture 6, which includes a lifting seat 601, a pressure plate 602, an L-shaped lifting plate 603, and a positioning pressure rod 604. The lifting seat 601 is connected to the lifting machine 4. The pressure plate 602 is provided above one side wall of the lifting seat 601. The L-shaped lifting plate 603 is provided below the side wall of the lifting seat 601 below the pressure plate 602. The positioning pressure rod 604 is provided above one end of the pressure plate 602. The positioning pressure rod 604 has a first connecting screw hole 605 at the top center. The first connecting screw hole 605 has second connecting screw holes 606 on both sides. The first connecting screw hole 605 has a first fastening bolt 607, and the second connecting screw holes 606 have a second fastening bolt 608.

[0028] The lifting seat 601, pressure plate 602, and L-shaped lifting plate 603 are integrally formed. The integrally formed structure ensures the structural strength of the lifting seat 601, pressure plate 602, and L-shaped lifting plate 603, and improves the stability of the lifting track plate body 1.

[0029] The dovetail groove track 301 is provided with a fixing hole 9, and a fixing bolt 10 is provided in the fixing hole 9. The dovetail groove track 301 is installed to the top of the base plate 2 by the fixing bolt 10. The fixing bolt 10 enables convenient installation and disassembly of the displacement mechanism 3.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A slab-lifting device for track slabs, characterized in that: The system includes a displacement mechanism (3) mounted on the top of the base plates (2) on both the front and rear ends of the track slab body (1). A lift (4) is mounted on the top of the displacement mechanism (3). The lift (4) is driven by a reduction motor (5). A track slab clamping fixture (6) is mounted on the lift (4). The track slab clamping fixture (6) includes a lifting seat (601), a pressure plate (602), an L-shaped lifting plate (603), and a positioning pressure rod (604). The lifting seat (601) is connected to the lift (4). A positioning pressure rod is located above one side wall of the lifting seat (601). A pressure plate (602) is provided. An L-shaped lifting plate (603) is provided below the side wall of the lifting seat (601) below the pressure plate (602). A positioning pressure rod (604) is provided above one end of the pressure plate (602). A first connecting screw hole (605) is provided at the middle of the top of the positioning pressure rod (604). A second connecting screw hole (606) is provided on both sides of the first connecting screw hole (605). A first fastening bolt (607) is provided in the first connecting screw hole (605). A second fastening bolt (608) is provided in the second connecting screw hole (606).

2. The track slab lifting device according to claim 1, characterized in that: The displacement mechanism (3) includes a dovetail groove track (301) and a dovetail slide plate (302). The dovetail groove track (301) is set on the top of the base plate (2) on both the front and rear ends of the track plate body (1). The dovetail slide plate (302) is slidably mounted on the dovetail groove track (301). The elevator (4) is set on the top of the dovetail slide plate (302).

3. The track slab lifting device according to claim 2, characterized in that: The elevator (4) includes a base (401), a screw rod (402) and a guide rod (403). The screw rod (402) is rotatably mounted on the base (401). The geared motor (5) drives the screw rod (402) to rotate. The guide rod (403) is located on the top of the base (401) on one side of the screw rod (402).

4. The track slab lifting device according to claim 3, characterized in that: The lifting seat (601) is provided with an internal threaded connection hole (7) and a sliding hole (8). The lifting seat (601) is connected to the screw rod (402) through the internal threaded connection hole (7), and the lifting seat (601) is slidably connected to the guide rod (403) through the sliding hole (8).

5. A track slab lifting device according to claim 1, characterized in that: The lifting seat (601), pressure plate (602), and L-shaped lifting plate (603) are integrally formed.

6. A track slab lifting device according to claim 2, characterized in that: The dovetail groove track (301) is provided with a fixing hole (9), and a fixing bolt (10) is provided in the fixing hole (9). The dovetail groove track (301) is installed on the top of the base plate (2) by the fixing bolt (10).

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