Lifting appliance device for lifting double steel rails

Abstract

The utility model relates to the technical field of lifting appliances, in particular to a lifting appliance device for lifting double steel rails. According to the technical scheme, the device comprises a connecting buckle, connecting rods, a fixing plate and a clamp body, a supporting block is rotationally installed on the outer wall of the lower end of the connecting buckle, transmission rods are rotationally installed on the outer walls of the two sides of the supporting block, the clamp body is arranged on the outer walls of the lower ends of the transmission rods, and the connecting rods are installed on the two sides of the outer wall of the upper end of the clamp body; a limiting block is arranged on the outer wall of the upper end of the connecting rod, fixing plates are arranged on the outer walls of the two sides of the supporting block, the tension sensor, the connecting rod and the fixing plates are arranged, the effect of detecting the weight of the steel rail is achieved, the tension sensor detects the total weight of the clamp body and the steel rail, and the problem that a lifting appliance is damaged due to the fact that the weight is too large is avoided; and the use safety of the lifting appliance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slings, in particular to a sling device for slinging double steel rails. Background Art

[0002] Rail is a track made of steel. It is the main component of railway track, used to guide the wheels of locomotives and vehicles and withstand huge wheel pressure, while transmitting this pressure to the sleepers. Rail hoist is a special equipment used for lifting and moving rails.

[0003] The multiple rail hoist disclosed in the mass search publication number CN201198436Y has a clamping mechanism suspended at the lower end of the left hook plate and the right hook plate, and the clamping mechanism includes a plywood box, two outer plywoods are arranged in the plywood box, a middle plywood is clamped between the two outer plywoods, a lifting lug hinged to the lower end of the right hook plate is arranged at the upper end of the outer plywood, a lifting lug hinged to the lower end of the left hook plate is arranged at the upper end of the middle plywood, a plurality of positive hooks with working surfaces facing one side are arranged at intervals at the lower end of the outer plywood, a reverse hook corresponding to the positive hook but with opposite working surfaces is arranged at the lower end of the middle plywood, and a jaw capable of clamping the rail is formed between the positive hook and the corresponding reverse hook; at least two waist-shaped through grooves are arranged on the upper side of the outer plywood and the middle plywood in the horizontal direction, a through pin is arranged in the through groove, and both ends of the through pin are fixed on the plywood box. The utility model can hoist multiple rails at the same time, improves work efficiency, and can be used in places where rails are hoisted in neat arrangement, such as rail production lines.

[0004] Although the prior art has many benefits during use, it still has the following problems: it lacks a detection structure for the weight of the hoisted rails, which results in the staff being unable to promptly understand whether the total weight of the rails can be adapted to the hoisting equipment, and the hoisting equipment is easily damaged by excessive weight, affecting the safety of the rail hoisting. Utility Model Content

[0005] The utility model aims to provide a lifting device for lifting double rails to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting device for lifting double rails, comprising a connecting buckle, a connecting rod, a fixing plate and a clamp body, a support block is rotatably installed on the outer wall of the lower end of the connecting buckle, transmission rods are rotatably installed on the outer walls on both sides of the support block, the clamp body is arranged on the outer wall of the lower end of the transmission rod, connecting rods are installed on both sides of the outer wall of the upper end of the clamp body, a limiting block is arranged on the outer wall of the upper end of the connecting rod, and fixing plates are arranged on the outer walls on both sides of the support block.

[0007] When using a lifting device for lifting double rails in the technical solution, the external lifting device is connected to the connecting buckle, and the clamp body is moved to the upper end of the rail, the rail enters between the clamping claws, and after the connecting buckle moves up, the transmission rod drives the movable block and the clamping claw to move, so that the clamping claw clamps and grabs the rail, and the connecting rod moves with the clamp body until the limit block contacts the fixed plate, and the tension sensor detects the total weight of the clamp body and the rail.

[0008] Preferably, a lock is provided on one side of the outer wall at the lower end of the support block, and the lock is located between the transmission rods. The lock can restrict the transmission rods to ensure that the transmission rods are deployed in a controlled manner.

[0009] Preferably, movable blocks are movably installed on both sides of the clamp body, the transmission rod is rotatably connected to the outer wall of the upper end of the movable block, and the outer wall of the lower end of the movable block is installed with equidistant and parallel clamping claws. The movable block can move inside the clamp body to adjust the use position of the clamping claws, and the rail can be clamped and grasped according to the clamping claws.

[0010] Preferably, a movable hole is provided inside the fixing plate, and the connecting rod is located inside the movable hole. The connecting rod can move vertically inside the movable hole.

[0011] Preferably, the limit block is cylindrical and located at the upper end of the fixing plate. The limit block controls the moving distance of the clamp body.

[0012] Preferably, a receiving groove is provided on the outer wall of the lower end of the limit block, a tension sensor is provided on the upper end of the inner wall of the receiving groove, and the outer wall of the lower end of the tension sensor is connected to the outer wall of the upper end of the connecting rod. The tension sensor can detect the weight of the clamp body and the rail.

[0013] Preferably, a connecting plate is installed on the outer wall of one end of the fixing plate, bolts are arranged on the outer walls on both sides of the connecting plate, and the connecting plate is connected to the supporting block through the bolts. The bolts ensure the connection stability between the connecting plate and the supporting block.

[0014] Preferably, the fixing plate is designed in a rectangular shape. The fixing plate can limit the moving distance of the clamp body.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model achieves the effect of detecting the weight of the rail by arranging a tension sensor, a connecting rod and a fixed plate; the external lifting device is connected to the connecting buckle, and the clamp body is moved to the upper end of the rail, the rail enters between the clamp claws, and after the connecting buckle moves up, the transmission rod drives the movable block and the clamp claw to move, so that the clamp claw clamps and grabs the rail to ensure the stability of the connection between the rail and the clamp body; the connecting rod moves with the clamp body until the limit block contacts the fixed plate, and the moving distance of the clamp body is limited by the limit block and the fixed plate; the tension sensor detects the total weight of the clamp body and the rail to avoid the problem of damage to the sling due to excessive weight, thereby improving the safety of the sling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the appearance of the connecting buckle structure of the utility model;

[0017] Figure 2 It is an enlarged schematic diagram of the transmission rod structure of the utility model;

[0018] Figure 3 It is an enlarged schematic diagram of the fixed plate structure of the utility model;

[0019] Figure 4 It is a schematic cross-sectional view of the fixing plate structure of the utility model.

[0020] In the figure: 1. Connecting buckle; 11. Support block; 12. Lock; 13. Transmission rod; 14. Clamp body; 15. Movable block; 16. Clamping claw; 2. Connecting rod; 21. Limiting block; 22. Storage slot; 23. Tension sensor; 3. Fixing plate; 31. Movable hole; 32. Connecting plate; 33. Bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 , the utility model provides two embodiments:

[0023] Embodiment 1: A lifting device for lifting double rails, comprising a connecting buckle 1, a connecting rod 2, a fixing plate 3 and a clamp body 14, a support block 11 is rotatably mounted on the outer wall of the lower end of the connecting buckle 1, transmission rods 13 are rotatably mounted on the outer walls on both sides of the support block 11, a clamp body 14 is arranged on the outer wall of the lower end of the transmission rod 13, connecting rods 2 are installed on both sides of the outer wall of the upper end of the clamp body 14, a limiting block 21 is arranged on the outer wall of the upper end of the connecting rod 2, and fixing plates 3 are arranged on the outer walls on both sides of the support block 11.

[0024] A lock 12 is provided on one side of the outer wall of the lower end of the support block 11, and the lock 12 is located between the transmission rods 13. The lock 12 can restrict the transmission rods 13 to ensure that the transmission rods 13 are controlled to be deployed.

[0025] The movable blocks 15 are movably installed on both sides of the clamp body 14, the transmission rod 13 is rotatably connected to the outer wall of the upper end of the movable block 15, and the outer wall of the lower end of the movable block 15 is installed with equidistant and parallel clamps 16. The movable block 15 can move inside the clamp body 14, so as to adjust the use position of the clamp 16, and the rail can be clamped and grabbed according to the clamp 16. The external lifting device is connected to the connecting buckle 1, and the clamp body 14 is moved to the upper end of the rail, and the rail enters between the clamps 16. After the connecting buckle 1 moves up, the transmission rod 13 drives the movable block 15 and the clamp 16 to move, so that the clamp 16 clamps and grabs the rail, ensuring the stability of the connection between the rail and the clamp body 14.

[0026] Embodiment 2: A lifting device for lifting double rails, comprising a connecting buckle 1, a connecting rod 2, a fixing plate 3 and a clamp body 14, a support block 11 is rotatably mounted on the outer wall of the lower end of the connecting buckle 1, transmission rods 13 are rotatably mounted on the outer walls on both sides of the support block 11, a clamp body 14 is arranged on the outer wall of the lower end of the transmission rod 13, connecting rods 2 are installed on both sides of the outer wall of the upper end of the clamp body 14, a limiting block 21 is arranged on the outer wall of the upper end of the connecting rod 2, and fixing plates 3 are arranged on the outer walls on both sides of the support block 11.

[0027] A lock 12 is provided on one side of the outer wall of the lower end of the support block 11, and the lock 12 is located between the transmission rods 13. The lock 12 can restrict the transmission rods 13 to ensure that the transmission rods 13 are controlled to be deployed.

[0028] The movable blocks 15 are movably mounted on both sides of the clamp body 14, the transmission rod 13 is rotatably connected to the outer wall of the upper end of the movable block 15, and the outer wall of the lower end of the movable block 15 is equipped with equidistant and parallel clamping claws 16. The movable block 15 can move inside the clamp body 14, so as to adjust the use position of the clamping claws 16, and the rail can be clamped and grasped according to the clamping claws 16.

[0029] A movable hole 31 is formed inside the fixing plate 3 , and the connecting rod 2 is located inside the movable hole 31 . The connecting rod 2 can move vertically inside the movable hole 31 .

[0030] The limiting block 21 is cylindrical in shape and is located at the upper end of the fixing plate 3. The limiting block 21 controls the moving distance of the clamp body 14.

[0031] The lower outer wall of the limit block 21 is provided with a receiving groove 22, and the upper inner wall of the receiving groove 22 is provided with a tension sensor 23, and the lower outer wall of the tension sensor 23 is connected to the upper outer wall of the connecting rod 2. The tension sensor 23 can detect the weight of the clamp body 14 and the rail.

[0032] A connecting plate 32 is installed on the outer wall of one end of the fixing plate 3, and bolts 33 are arranged on the outer walls on both sides of the connecting plate 32, and the connecting plate 32 is connected to the supporting block 11 through the bolts 33. The bolts 33 ensure the connection stability between the connecting plate 32 and the supporting block 11.

[0033] The fixed plate 3 is designed in a rectangular shape. The fixed plate 3 can limit the moving distance of the clamp body 14. The external lifting device is connected to the connecting buckle 1, and the clamp body 14 is moved to the upper end of the rail. The rail enters between the clamping claws 16. After the connecting buckle 1 moves upward, the transmission rod 13 drives the movable block 15 and the clamping claw 16 to move, so that the clamping claw 16 clamps and grabs the rail to ensure the stability of the connection between the rail and the clamp body 14. The connecting rod 2 moves with the clamp body 14 until the limit block 21 contacts the fixed plate 3. The moving distance of the clamp body 14 is limited by the limit block 21 and the fixed plate 3. The tension sensor 23 detects the total weight of the clamp body 14 and the rail to avoid the problem of excessive weight causing damage to the sling, thereby improving the safety of the sling.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A lifting device for lifting double rails, comprising a connecting buckle (1), a connecting rod (2), a fixing plate (3) and a clamp body (14), characterized in that: A support block (11) is rotatably mounted on the outer wall of the lower end of the connecting buckle (1), and transmission rods (13) are rotatably mounted on the outer walls on both sides of the support block (11). A clamp body (14) is arranged on the outer wall of the lower end of the transmission rod (13), and connecting rods (2) are mounted on both sides of the outer wall of the upper end of the clamp body (14). A limit block (21) is arranged on the outer wall of the upper end of the connecting rod (2), and fixing plates (3) are arranged on the outer walls on both sides of the support block (11).

2. A double rail lifting device according to claim 1, characterized in that: A lock (12) is provided on one side of the outer wall at the lower end of the support block (11), and the lock (12) is located between the transmission rods (13).

3. A double rail lifting device according to claim 1, characterized in that: Movable blocks (15) are movably mounted on both sides of the clamp body (14); the transmission rod (13) is rotatably connected to the outer wall of the upper end of the movable block (15); and the outer wall of the lower end of the movable block (15) is mounted with equidistant and parallel clamping claws (16).

4. The double rail lifting device according to claim 1, characterized in that: A movable hole (31) is provided inside the fixing plate (3), and the connecting rod (2) is located inside the movable hole (31).

5. The double rail lifting device according to claim 1, characterized in that: The limit block (21) is designed to be cylindrical in shape, and the limit block (21) is located at the upper end of the fixing plate (3).

6. A double rail lifting device according to claim 5, characterized in that: The lower outer wall of the limit block (21) is provided with a receiving groove (22), the upper end of the inner wall of the receiving groove (22) is provided with a tension sensor (23), and the lower outer wall of the tension sensor (23) is connected to the upper outer wall of the connecting rod (2).

7. The double rail lifting device according to claim 1, characterized in that: A connecting plate (32) is installed on the outer wall of one end of the fixing plate (3), bolts (33) are provided on the outer walls of both sides of the connecting plate (32), and the connecting plate (32) is connected to the supporting block (11) via the bolts (33).

8. The double rail lifting device according to claim 1, characterized in that: The fixing plate (3) is designed in a rectangular shape.

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