Lifting appliance for railway construction track board

Abstract

The utility model relates to the technical field of railway construction hoisting, and particularly discloses a hoisting tool for a railway construction track plate, which comprises a top plate and a mounting frame, a movable frame body is mounted on the top plate, a hydraulic telescopic rod used for adjusting the height of the mounting frame is mounted on the top plate, and three sets of clamping pieces are mounted on the mounting frame; each clamping piece comprises a moving beam and two shifting plates, the bottoms of the shifting plates are connected with clamping plates, and the sides, close to each other, of the bottom ends of the two shifting plates are connected with rotating bases. According to the utility model, the adjusting piece can adjust the positions of the two groups of clamping pieces according to the size of the track plate, so that the track plate is stably hoisted at multiple points, and the hoisting stability is improved; when the pneumatic telescopic rod extends, the two sets of shifting plates are away from each other, the rotating seat rotates in the movable hole, the two sets of clamping plates are close to each other, the bottoms of the clamping plates can clamp the track plate, the track plate can be subjected to multi-point clamping, and then the track plate can be hoisted to a target position under height adjustment of the hydraulic telescopic rod in cooperation with movement of the movable frame body.

Description

Technical Field

[0001] The utility model relates to the technical field of railway construction hoisting, in particular to a lifting tool for railway construction track slabs. Background Technique

[0002] In the process of railway construction track slabs, various types of lifting tools are used, and these lifting tools play a crucial role in hoisting heavy objects such as track slabs. In the construction plan of track slab paving, the use of lifting tools runs through the entire construction process. From the hoisting, transportation to the laying of track slabs, various lifting tools are required to complete the tasks.

[0003] In a construction lifting tool for railway track slabs disclosed in the existing patent publication number CN220766293U, it includes several brackets. A first housing is further arranged on the brackets through a top plate. A first slider is slidably arranged on the first housing. A second housing is arranged at the bottom of the first slider. A rotating shaft is rotatably arranged inside the second housing. A worm gear is connected to the rotating shaft through a key connection. A worm is also rotatably arranged inside the second housing. The worm meshes with the worm gear. An electric push rod is arranged at the bottom of the rotating shaft. The end of the telescopic arm at the bottom of the electric push rod is provided with a mounting plate. A third housing is arranged on the mounting plate. Two left and right second sliders are slidably arranged inside the third housing. A bidirectional screw rod is also rotatably arranged inside the third housing. Clamping plates are arranged at the bottoms of the two left and right second sliders. A lower support plate is slidably arranged on the clamping plates. A hydraulic rod for cooperating with the lower support plate is also arranged on the clamping plates; under the action of the clamping plates and the lower support plate, the device can better meet the clamping requirements for railway track slabs of different sizes.

[0004] In the above construction lifting tool, the hoisting of the track slab can be carried out. However, in the operation, the clamping position is single, and the track slab is usually large in size. The hoisting stability of the above lifting tool still needs to be improved. In view of the above problems, a lifting tool for railway construction track slabs is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a lifting tool for railway construction track slabs to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution:

[0007] A lifting tool for railway construction track slabs includes a top plate and a mounting frame;

[0008] A moving frame body is installed on the top plate. A hydraulic telescopic rod for adjusting the height of the mounting frame is installed on the top plate. Three groups of clamping members are installed on the mounting frame;

[0009] Each set of the clamping members includes a moving beam and two dial plates. The bottom of the dial plate is connected to a clamping plate. On one side where the bottoms of the two sets of dial plates are close to each other, a rotating seat is connected. An activity hole for the rotating seat to be rotatably installed is provided on the moving beam. On one side where the tops of the two sets of dial plates are close to each other, a set of pneumatic telescopic rods is rotatably connected.

[0010] The moving beam located in the middle is limit-installed on the mounting frame, and the two sets of moving beams located on both sides are slidably installed on the mounting frame. An adjusting member for adjusting the two moving beams to move towards each other is provided on the mounting frame.

[0011] In an alternative solution: The moving frame body includes a cross plate and a moving frame. Two sets of cross plates are slidably connected to both sides of the top plate. A limiting member for fixing the sliding position of the cross plate is installed on the top plate. The two sets of cross plates on one side of the top plate are connected to the same set of moving frames. At least two sets of moving wheels are connected to the bottom of the moving frame.

[0012] In an alternative solution: The limiting member includes a limiting bolt threadedly connected to the top plate, and a number of limiting holes cooperating with the limiting bolt are provided on the side wall of the cross plate.

[0013] In an alternative solution: On one side where the bottoms of the two clamping plates on the same moving beam are close to each other, convex plates are fixedly connected. A floating plate is provided on the top of the convex plate. The floating plate is connected to the clamping plate through a number of springs, and the bottom of the floating plate is inclined towards the side close to the clamping plate.

[0014] In an alternative solution: The adjusting member includes a lead screw rotatably installed on the mounting frame. A motor for driving the lead screw to rotate is installed on the mounting frame. A threaded area is provided on the lead screw. Threaded holes cooperating with the threaded area are provided on the moving beams on both sides. The two threaded areas have opposite thread directions.

[0015] In an alternative solution: A through hole is provided on the moving beam located in the middle. The inner diameter of the through hole is larger than the outer diameter of the lead screw. Limiting frames installed on the mounting frame are provided on both sides of the moving beam located in the middle.

[0016] In an alternative solution: The hydraulic telescopic rod is installed on the top of the top plate. The movable end of the power output end of the hydraulic telescopic rod passes through the top plate and is connected to the top of the mounting frame. At least two sets of hydraulic telescopic rods are provided.

[0017] Compared with the prior art, the beneficial effects of the present utility model are:

[0018] In the present utility model, according to the size of the track slab, the adjusting member can adjust the positions of two sets of the clamping members, so that the track slab can be stably hoisted at multiple points, improving the hoisting stability.

[0019] When the pneumatic telescopic rod in this utility model extends, the two sets of dial plates move away from each other, the rotating seat rotates in the movable hole, the two sets of clamping plates approach each other, the bottom of the clamping plate can clamp the track slab, the track slab can be clamped at multiple points, and then under the height adjustment of the hydraulic telescopic rod and in cooperation with the movement of the movable frame body, the track slab can be hoisted to the target position;

[0020] The distance between the two sets of movable frame bodies in this utility model can be adjusted, and it can be adjusted according to the handling position or the construction position, which is beneficial to the hoisting of the track slab by the lifting tool and the overall movement of the lifting tool. Description of the Drawings

[0021] Figure 1 It is a structural schematic diagram of this utility model.

[0022] Figure 2 It is a structural schematic diagram of the connecting component on the mounting frame in this utility model.

[0023] Figure 3 It is a partial structural schematic diagram of this utility model.

[0024] Figure 4 It is a structural schematic diagram of the place where the floating plate is arranged in this utility model.

[0025] In the figure: 11, top plate; 12, mounting frame; 13, hydraulic telescopic rod; 14, cross plate; 15, movable frame; 16, movable wheel; 17, limit bolt; 18, limit frame; 19, motor; 20, lead screw; 21, movable beam; 22, movable hole; 23, pneumatic telescopic rod; 24, dial plate; 25, clamping plate; 26, rotating seat; 27, convex plate; 28, floating plate; 29, spring. Detailed Embodiment

[0026] In this utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific situations.

[0027] Next, the technical solutions in the embodiments of this utility model will be clearly and completely described in conjunction with the drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all the embodiments. Based on the embodiments in this utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of this utility model.

[0028] Please refer to Figures 1-4 , in this embodiment, the lifting tool for the railway construction track slab includes a top plate 11 and a mounting frame 12;

[0029] A moving frame body is installed on the top plate 11, a hydraulic telescopic rod 13 for adjusting the height of the mounting frame 12 is installed on the top plate 11, and three groups of clamping members are installed on the mounting frame 12;

[0030] Each group of the clamping members includes a moving beam 21 and two dial plates 24. The bottom of the dial plate 24 is connected to a clamping plate 25. One side where the bottoms of the two groups of dial plates 24 are close to each other is connected to a rotating seat 26. An activity hole 22 for the rotating installation of the rotating seat 26 is provided on the moving beam 21. One side where the tops of the two groups of dial plates 24 are close to each other is rotatably connected to a group of pneumatic telescopic rods 23;

[0031] The moving beam 21 located in the middle is limit-mounted on the mounting frame 12, and the two groups of moving beams 21 located on both sides are slidably mounted on the mounting frame 12. An adjusting member for adjusting the two groups of moving beams 21 to move towards each other is provided on the mounting frame 12;

[0032] In this embodiment, when the pneumatic telescopic rod 23 extends, the two groups of dial plates 24 move away from each other, the rotating seat 26 rotates in the activity hole 22, the two groups of clamping plates 25 approach each other, the bottom of the clamping plate 25 can clamp the track slab, the track slab can be clamped at multiple points, and then under the height adjustment of the hydraulic telescopic rod 13 and in cooperation with the movement of the moving frame body, the track slab can be hoisted to the target position;

[0033] According to the size of the track slab, the positions of two of the groups of clamping members can be adjusted to stably hoist the track slab.

[0034] In another embodiment, the moving frame body includes a cross plate 14 and a moving frame 15. Two groups of cross plates 14 are slidably connected to both sides of the top plate 11. A limiting member for fixing the sliding position of the cross plate 14 is installed on the top plate 11. The two groups of cross plates 14 located on one side of the top plate 11 are connected to the same group of moving frames 15. At least two groups of moving wheels 16 are connected to the bottom of the moving frame 15;

[0035] The cross plate 14 slides on the top plate 11 to adjust the position, and the distance between the two groups of moving frames 15 can be adjusted. The distance between the two groups of moving frames 15 can be adjusted according to the handling position or the construction position, and then fixed with the limiting member. The setting of the moving wheels 16 facilitates the overall movement of the lifting tool.

[0036] In another embodiment, the limiting member includes a limiting bolt 17 threadedly connected to the top plate 11, and a plurality of limiting holes cooperating with the limiting bolt 17 are provided on the side wall of the cross plate 14; when the cross plate 14 slides to the target position, the limiting bolt 17 is aligned with the corresponding limiting hole and screwed into the corresponding limiting hole, so as to fix the position of the cross plate 14.

[0037] In another embodiment, on one side close to each other at the bottom ends of two clamping plates 25 located on the same moving beam 21, convex plates 27 are fixedly connected respectively. A floating plate 28 is provided on the top of the convex plate 27. The floating plate 28 is connected to the clamping plate 25 through a plurality of springs 29, and the bottom of the floating plate 28 is inclined towards the side close to the clamping plate 25;

[0038] When the clamping plate 25 clamps, the convex plate 27 is placed from the bottom of the track plate. The bottom ends of the clamping plate 25 clamp both sides of the track plate. Due to the inclination angle of the clamping plate 25, one side of the bottom of the clamping plate 25 cannot be attached to the side wall of the track plate. Under the force of the spring 29, the floating plate 28 can contact the track plate, improving the clamping stability of the track plate.

[0039] As Figure 2 shown, in another embodiment, the adjusting member includes a lead screw 20 rotatably installed on the mounting frame 12. A motor 19 for driving the lead screw 20 to rotate is installed on the mounting frame 12. A threaded area is provided on the lead screw 20, and threaded holes cooperating with the threaded area are provided on both sides of the moving beam 21. The two threaded areas have opposite thread directions;

[0040] When the motor 19 works, the lead screw 20 rotates, and the corresponding two groups of moving beams 21 can be adjusted to move. By the forward and reverse rotation of the lead screw 20, the two groups of moving beams 21 can be adjusted to approach or separate from each other.

[0041] As Figure 2 shown, in another embodiment, a through hole is provided on the middle moving beam 21. The inner diameter of the through hole is larger than the outer diameter of the lead screw 20. Limiting frames 18 are provided on both sides of the middle moving beam 21 and are installed on the mounting frame 12;

[0042] The limiting frame 18 can be fixed to the mounting frame 12 through bolts, and the limiting frame 18 can play a limiting role on the middle moving beam 21.

[0043] As Figure 1 shown, in another embodiment, the hydraulic telescopic rod 13 is installed on the top of the top plate 11. The movable end of the power output end of the hydraulic telescopic rod 13 passes through the top plate 11 and is connected to the top of the mounting frame 12. At least two groups of hydraulic telescopic rods 13 are provided; when the hydraulic telescopic rod 13 works, the height of the mounting frame 12 is adjusted.

[0044] When the utility model is in use, when the motor 19 works, the lead screw 20 rotates, and the corresponding two sets of moving beams 21 can be adjusted to move. The forward and reverse rotation of the lead screw 20 can adjust the approach or separation of the two sets of moving beams 21. According to the size of the track slab, the positions of two of the clamping members can be adjusted to stably hoist the track slab.

[0045] When the pneumatic telescopic rod 23 extends, the two sets of dial plates 24 move away from each other, the rotating seat 26 rotates in the movable hole 22, the two sets of clamping plates 25 approach each other, and the bottom of the clamping plate 25 can clamp the track slab. The track slab can be clamped at multiple points. Then, under the height adjustment of the hydraulic telescopic rod 13 and in cooperation with the movement of the moving frame body, the track slab can be hoisted to the target position.

[0046] The above is only the preferred embodiment of the utility model, and it is not a limitation of the utility model in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the utility model, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model still belong to the protection scope of the technical solution of the utility model.

Claims

1. A lifting device for a track plate for railway construction, comprising a top plate (11) and a mounting frame (12); Features: A movable frame is installed on the top plate (11), a hydraulic telescopic rod (13) for adjusting the height of the mounting frame (12) is installed on the top plate (11), and three groups of clamping members are installed on the mounting frame (12); Each group of the clamping members comprises a moving beam (21) and two shifting plates (24); the bottom of the shifting plates (24) is connected to a clamping plate (25); the sides of the bottom ends of the two groups of shifting plates (24) that are close to each other are connected to a rotating seat (26); the moving beam (21) is provided with a movable hole (22) for rotatably mounting the rotating seat (26); the sides of the top ends of the two groups of shifting plates (24) that are close to each other are rotatably connected to a group of pneumatic telescopic rods (23); The moving beam (21) located in the middle is limitedly mounted on the mounting frame (12), and the two groups of moving beams (21) located on both sides are slidably mounted on the mounting frame (12). The mounting frame (12) is provided with an adjusting member for adjusting the two groups of moving beams (21) to move toward each other.

2. The hanger for railway construction track plate according to claim 1, characterized in that: The movable frame body comprises a transverse plate (14) and a movable frame (15); two groups of transverse plates (14) are slidably connected to both sides of the top plate (11); a limiter for fixing the sliding position of the transverse plates (14) is installed on the top plate (11); the two groups of transverse plates (14) located on one side of the top plate (11) are connected to the same group of movable frames (15); and at least two groups of movable wheels (16) are connected to the bottom of the movable frame (15).

3. The hanger for railway construction track plate according to claim 2, characterized in that: The limiting member comprises a limiting bolt (17) threadedly connected to the top plate (11), and the side wall of the transverse plate (14) is provided with a plurality of limiting holes matched with the limiting bolt (17).

4. The hanger for railway construction track plate according to claim 1, characterized in that: The sides of the bottom ends of the two clamping plates (25) located on the same moving beam (21) are fixedly connected to the convex plate (27), and a floating plate (28) is provided on the top of the convex plate (27). The floating plate (28) is connected to the clamping plate (25) through a plurality of springs (29), and the bottom of the floating plate (28) is inclined toward the side close to the clamping plate (25).

5. The hanger for railway construction track plate according to claim 1, characterized in that: The adjusting member comprises a screw rod (20) rotatably mounted on a mounting frame (12); a motor (19) for driving the screw rod (20) to rotate is mounted on the mounting frame (12); a threaded area is provided on the screw rod (20); screw holes matching the threaded area are provided on the moving beams (21) on both sides; and the threads of the two groups of threaded areas have opposite rotation directions.

6. The hanger for railway construction track plate according to claim 5, characterized in that: The moving beam (21) located in the middle is provided with a through hole, the inner diameter of the through hole is larger than the outer diameter of the screw rod (20), and both sides of the moving beam (21) located in the middle are provided with a limit frame (18) installed on the mounting frame (12).

7. The hanger for railway construction track slab according to claim 1, characterized in that: The hydraulic telescopic rod (13) is installed on the top of the top plate (11); the movable end of the power output end of the hydraulic telescopic rod (13) passes through the top plate (11) and is connected to the top of the mounting frame (12); and at least two groups of the hydraulic telescopic rod (13) are provided.

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