A lifting lug device suitable for 60, 75 rail profile

Abstract

This utility model relates to the field of lifting tongue technology for lifting devices, and discloses a lifting tongue device suitable for 60 and 75 rail types. It includes: a movable clamp, which is a right-angled trapezoidal block symmetrically rotatably connected to the lifting device; and a tongue structure, located at the bottom of the movable clamp for lifting the rail. The tongue structure includes: a jaw, an outer plate, and a connecting joint. The jaw is fixedly connected to the bottom of each movable clamp, the outer plate is rotatably connected to the wall of each jaw, and the connecting joint is fixedly connected to the bottom end of each outer plate. The jaws and outer plates at the bottom of the symmetrical movable clamps are symmetrical. The tongue structure can adapt to 60 and 75 rail types by utilizing the spacing and inner angle of the symmetrical jaws. Furthermore, the symmetrical outer plate, when lifting the rail, can work with an elastic rope to hold the rail in place and prevent it from detaching during lifting, thereby improving operational safety.

Description

Technical Field

[0001] This utility model belongs to the field of lifting tongue of lifting devices, specifically, it relates to a lifting tongue device of lifting devices suitable for 60 and 75 steel rail types. Background Technology

[0002] Rails are the main load-bearing components of railway tracks. They consist of two parallel I-beams of steel that directly bear the dynamic and static loads of train wheels and transmit the pressure to sleepers and the track bed.

[0003] Currently, the single-hook lifting tongue used for rail hoisting can only handle the hoisting of a single rail type. For example, a 60-gauge lifting tongue can only handle 60-gauge rails, and a 75-gauge lifting tongue can only handle 75-gauge rails. Hoisting long rails requires the use of 32-36 sets of hoists for coordinated hoisting. If different rail types are to be hoisted, the lifting tongue needs to be changed for safe hoisting. Changing the lifting tongue a lot is time-consuming and labor-intensive, and there are also certain safety hazards due to shift handover or mixed loading of finished rails. There is a safety hazard of accidentally grabbing the rail and causing it to fall. In addition, the existing lifting tongue has a short gap between the lower jaws of the rail head. If the clamping of the rail is misaligned, the rail will disengage, which also poses a safety hazard.

[0004] In view of this, this utility model is hereby proposed. Utility Model Content

[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0006] A lifting tongue device for 60 and 75 steel rail types includes:

[0007] The movable clamp is a right-angled trapezoidal block that is symmetrically rotated and connected to the lifting device.

[0008] The tongue structure is located at the bottom of the movable clamp to lift the rail. The tongue structure includes: jaws, outer plates and connecting plates. The jaws are fixedly connected to the bottom of each movable clamp. The outer plates are rotatably connected to the wall of each jaw. The connecting plates are fixedly connected to the bottom of each outer plate. The jaws and outer plates at the bottom of the symmetrical movable clamps are symmetrical to each other.

[0009] In a preferred embodiment of this utility model, the jaw tool is an L-shaped block, and a rectangular groove can be formed at the corner of the symmetrical jaw tool. The distance between the symmetrical ends of the symmetrical jaw tool is one-third of the rectangular groove. The outer plate is an arc-shaped rod, and the symmetrical butt joints can fit together.

[0010] In a preferred embodiment of this utility model, the tongue structure further includes a rotating groove, a rotating cylinder, a limiting rod, an upper block, a locking rod, and a lower block. The rotating groove is opened through the top of each jaw tool, and the rotating cylinder is rotatably connected in each rotating groove. The rotating cylinder on each side can be fixedly connected to the top of the connector on each side. The limiting rod is fixedly connected to the outer wall of each jaw tool. The upper block is fixedly connected to the bottom of each limiting rod. The locking rod is fixedly connected to the wall of the connector on one side. The lower block is fixedly connected to the top of each connector.

[0011] In a preferred embodiment of this utility model, the rotating groove is a rectangular opening, and a cylinder is fixedly connected in each rotating groove. The rotating cylinder is sleeved on the wall of each corresponding cylinder. The top of the limiting rod can contact the inner arc surface of the outer plate on each side. The upper block is a circular block, and a circular groove is opened through the wall of each upper block. The lower block has the same shape as the upper block. An elastic rope is tied to the upper and lower blocks on each side.

[0012] In a preferred embodiment of this utility model, the locking rod is rectangular in shape and is located on the front and rear walls of one side of the connector. The symmetrical spacing of the locking rods can be adapted to the front and rear walls of the other side of the connector. Each connector has a rectangular groove on its top and the lower block is located in the rectangular groove.

[0013] In a preferred embodiment of this utility model, the wall surface of the outer plate is provided with an abutting structure, which includes a screw groove, a screw rod and an abutting plate. The screw groove is opened through the side wall surface of each side of the outer plate, the screw rod is threaded into the screw groove on each side, and the abutting plate is fixedly connected to the ends of the symmetrical screw rods facing each other.

[0014] In a preferred embodiment of this utility model, the screw groove is adapted to allow the screw to pass through, the contact plate is disc-shaped, and the outer wall surface of the contact plate is arc-shaped.

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

[0016] 1. By setting the tongue structure, the symmetrical jaw spacing and inner angle can be adapted to 60 and 75 rail models. Furthermore, the symmetrical outer plates can be used with elastic ropes to hold the rails in place during hoisting, preventing them from detaching during hoisting and thus improving safety during operation.

[0017] 2. By setting up an anti-collision structure and using adjustable anti-collision plates, the fit between the elastic rope and the rail is improved, thereby adapting to rails of different sizes for lifting.

[0018] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0019] In the attached diagram:

[0020] Figure 1 This is a perspective view of the present utility model;

[0021] Figure 2 This is a diagram showing the symmetrical hinged connection of this utility model;

[0022] Figure 3 This is a disassembly diagram of the outer plate and jaw fitting of this utility model;

[0023] Figure 4 This is a diagram showing the connection of the locking rod of this utility model;

[0024] Figure 5 This is a disassembly diagram of the screw and outer plate of this utility model.

[0025] In the diagram: 20. Clamp; 21. Jaw; 22. Rotary groove; 23. Rotary cylinder; 24. External plate; 25. Connecting joint; 26. Limiting rod; 27. Upper block; 28. Locking rod; 29. ​​Lower block; 30. Threaded groove; 31. Threaded rod; 32. Contact plate. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, a lifting tongue device for a lifting device suitable for 60 and 75 rail types includes: a movable clamp 20, which is a right-angled trapezoidal block. The movable clamp 20 is symmetrically rotatably connected to the lifting device. The movable clamp 20 can rotate outward on the lifting device. The rotation of the symmetrical movable clamp 20 is controlled by a hydraulic structure on the lifting device. This is existing technology and will not be described in detail here.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the tongue structure is located at the bottom of the movable clamp 20 to lift the rail. The tongue structure includes: jaw 21, outer plate 24 and connector 25. The jaw 21 is fixedly connected to the bottom of each movable clamp 20. The outer plate 24 is rotatably connected to the wall of each jaw 21. The connector 25 is fixedly connected to the bottom end of each outer plate 24. The jaw 21 and outer plate 24 at the bottom of the symmetrical movable clamp 20 are symmetrical to each other.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4and Figure 5 As shown, the jaw fitting 21 is an L-shaped block. A rectangular groove can be formed at the corner of the symmetrical jaw fitting 21. The distance between the symmetrical ends of the symmetrical jaw fitting 21 is one-third of the rectangular groove. The outer plate 24 is an arc-shaped rod. The symmetrical mating joints 25 can fit together. The tongue structure also includes a rotating groove 22, a rotating cylinder 23, a limiting rod 26, an upper block 27, a locking rod 28, and a lower block 29. The rotating groove 22 is formed through the top of each jaw fitting 21. The rotating cylinder 23 is rotatably connected within each rotating groove 22. Each rotating cylinder 23 can be fixedly connected to the top of each mating joint 25. The limiting rod 26 is fixedly connected to the outer wall of each jaw fitting 21. The upper block 27 is fixedly connected to the bottom of each limiting rod 26. The locking rod 28 is fixedly connected to the wall of one of the mating joints 25. The lower block 29 is fixedly connected to the top of each connector 25. The rotating groove 22 is a rectangular slot. A cylinder is fixedly connected in each rotating groove 22. The rotating cylinder 23 is sleeved on the wall of each corresponding cylinder. The top of the limiting rod 26 can contact the inner arc surface of the outer plate 24 on each side. The upper block 27 is a circular block. A circular groove is opened through the wall of each upper block 27. The lower block 29 has the same shape as the upper block 27. An elastic rope is tied to the upper block 27 and the lower block 29 on each side. The locking rod 28 is a rectangular rod. The locking rod 28 is located on the front and rear walls of one side of the connector 25. The symmetrical locking rod 28 spacing can be adapted to the front and rear walls of the other side of the connector 25. A rectangular groove is opened on the top of each connector 25. The lower block 29 is located in the rectangular groove.

[0030] In practical use, the symmetrical movable clamp 20 moves synchronously with the lifting device. When it is necessary to lift the rail, the lifting device is moved to position the symmetrical movable clamp 20 at the top of the rail. At this time, the symmetrical movable clamp 20 is controlled to rotate outward, so that the rotation of the movable clamp 20 causes the spacing of the symmetrical jaws 21 to expand to a shape that matches the rail size. Then, the symmetrical outer plate 24 is pushed outward to open its bottom, and then the symmetrical jaws 21 are engaged in the grooves on both sides of the rail. Then, the lifting device is controlled to move upward. As the lifting device moves, it can drive the movable clamp 20 and jaws 21 to move. As the lifting device gradually moves upward, that is... The symmetrical movable clamp 20 can be controlled to rotate in the opposite direction, thereby driving the symmetrical jaw 21 to clamp the rail. Then, the outer plate 24 will rotate around the rotating drum 23 due to gravity. Then, the symmetrical butt joints 25 will come into contact with each other, and the symmetrical locking rod 28 will engage with the butt joint 25 on the other side. At this time, the rail will be located between the symmetrical jaw 21 and the outer plate 24, and the elastic ropes bound to the wall of the outer plate 24 on each side will automatically adhere to the outer wall of the rail. Then, as the rail is hoisted to the required position, the outer plate 24 on each side is pushed outward, and the movable clamp 20 is controlled to drive the jaw 21 to rotate, thereby unloading the rail.

[0031] In summary, by setting the tongue structure, the spacing of the symmetrical jaws 21 and the inner angle can be adapted to 60 and 75 rail models. Furthermore, by using the symmetrical outer plates 24, the rails can be caught with elastic ropes when being lifted, thus preventing the rails from detaching during lifting and improving the safety of the operation.

[0032] like Figure 1 and Figure 5 As shown, the outer plate 24 has a contact structure on its wall surface. The contact structure includes a screw groove 30, a screw 31 and a contact plate 32. The screw groove 30 is opened through the side wall surface of each side of the outer plate 24. The screw 31 is threaded into the screw groove 30 on each side. The contact plate 32 is fixedly connected to the ends of the symmetrical screws 31 facing each other. The screw groove 30 can accommodate the screw 31 passing through. The contact plate 32 is disc-shaped and the outer wall surface of the contact plate 32 is arc-shaped.

[0033] In practical use, by rotating the screw 31 on each side, the contact plate 32 can be driven to move synchronously as the screw 31 gradually moves towards the other screw 31, and the contact plate 32 can abut against the elastic rope when it moves.

[0034] In summary, by setting up an anti-collision structure and utilizing an adjustable anti-collision plate 32, the fit between the elastic rope and the rail is improved, thereby adapting to rails of different sizes for lifting.

[0035] Working principle: By moving the lifting device, the symmetrical movable clamp 20 is positioned on top of the rail. The symmetrical movable clamp 20 is then rotated outwards, causing the symmetrical jaw clamps 21 to widen their spacing to match the rail size. The symmetrical outer plate 24 is then moved outwards to open its bottom, allowing the symmetrical jaw clamps 21 to engage with the grooves on both sides of the rail. The lifting device is then moved upwards, causing the movable clamp 20 and jaw clamps 21 to move. As the lifting device gradually rises, the symmetrical movable clamp 20 can be rotated in the opposite direction. This causes the symmetrical jaw clamp 21 to clamp the rail. Then, the outer plate 24 will rotate around the rotating drum 23 due to gravity. The symmetrical butt joints 25 will then come into contact with each other, and the symmetrical locking rod 28 will engage with the butt joint 25 on the other side. At this time, the rail will be located between the symmetrical jaw clamp 21 and the outer plate 24. The elastic ropes bound to the walls of the outer plates 24 on each side will automatically adhere to the outer wall of the rail. Then, as the rail is hoisted to the required position, the outer plates 24 on each side are moved outward, and the movable clamp 20 is controlled to drive the jaw clamp 21 to rotate, thereby unloading the rail.

[0036] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A lifting tongue device for lifting 60 and 75 steel rail types, characterized in that, include: The movable clamp (20) is a right-angled trapezoidal block, and the movable clamp (20) is symmetrically rotated and connected to the lifting device; The tongue structure is set at the bottom of the movable clamp (20) to lift the rail. The tongue structure includes: jaw (21), outer plate (24) and connector (25). The jaw (21) is fixedly connected to the bottom of each movable clamp (20). The outer plate (24) is rotatably connected to the wall of each jaw (21). The connector (25) is fixedly connected to the bottom of each outer plate (24). The jaw (21) and outer plate (24) at the bottom of the symmetrical movable clamp (20) are symmetrical to each other.

2. The lifting tongue device for 60 and 75 steel rail types according to claim 1, characterized in that, The jaw (21) is an L-shaped block. A rectangular groove can be formed at the corner of the symmetrical jaw (21). The distance between the symmetrical ends of the symmetrical jaw (21) is one-third of the rectangular groove. The outer plate (24) is an arc-shaped rod. The symmetrical butt joints (25) can fit together.

3. The lifting tongue device for 60 and 75 steel rail types according to claim 1, characterized in that, The tongue structure also includes a rotating groove (22), a rotating cylinder (23), a limiting rod (26), an upper block (27), a locking rod (28), and a lower block (29). The rotating groove (22) is opened through the top of each jaw tool (21). The rotating cylinder (23) is rotatably connected in each rotating groove (22). The rotating cylinder (23) on each side can be fixedly connected to the top of the connector (25) on each side. The limiting rod (26) is fixedly connected to the outer wall of each jaw tool (21). The upper block (27) is fixedly connected to the bottom of each limiting rod (26). The locking rod (28) is fixedly connected to the wall of the connector (25) on one side. The lower block (29) is fixedly connected to the top of each connector (25).

4. A lifting tongue device for 60 and 75 steel rail types according to claim 3, characterized in that, The rotating groove (22) is a rectangular groove, and a cylinder is fixedly connected in each rotating groove (22). The rotating cylinder (23) is sleeved on the wall of each corresponding cylinder. The top of the limiting rod (26) can contact the inner arc surface of the outer plate (24) on each side. The upper block (27) is a circular block, and a circular groove is opened through the wall of each upper block (27). The lower block (29) has the same shape as the upper block (27). Elastic ropes are tied to the upper block (27) and the lower block (29) on each side.

5. A lifting tongue device for 60 and 75 steel rail types according to claim 3, characterized in that, The locking rod (28) is rectangular. The locking rod (28) is located on the front and rear walls of one side of the connector (25). The spacing of the symmetrical locking rods (28) can be adapted to the front and rear walls of the other side of the connector (25). Each connector (25) has a rectangular groove on its top, and the lower block (29) is located in the rectangular groove.

6. A lifting tongue device for 60 and 75 steel rail types according to claim 1, characterized in that, The outer plate (24) has a contact structure on its wall surface. The contact structure includes a screw groove (30), a screw (31) and a contact plate (32). The screw groove (30) is opened through the side wall surface of each outer plate (24). The screw (31) is threaded into the screw groove (30) on each side. The contact plate (32) is fixedly connected to the ends of the symmetrical screws (31) facing each other.

7. A lifting tongue device for 60 and 75 steel rail types according to claim 6, characterized in that, The screw groove (30) can accommodate the screw (31) to pass through, the contact plate (32) is disc-shaped, and the outer wall surface of the contact plate (32) is arc-shaped.

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