A new rubber spring prefabricated plate hoisting device

Abstract

The utility model discloses a novel rubber spring prefabricated slab hoist device relates to urban rail transit technical field, including hoist main part, the hoist main part includes hoisting steel sheet, lifting lug, stopper and spacing steel sheet, the stopper, spacing steel sheet and hoisting steel sheet all set up in the outside of lifting lug, novel rubber spring prefabricated slab hoist device, the structure of setting is simple, does not have the requirement of special material selection aspect. Solve the rubber spring prefabricated slab hoist difficult and crack breakage of rubber spring prefabricated slab caused by hoisting and other problems in the subway tunnel, ensure the quality of rubber spring prefabricated slab and the safety of personnel in the hoisting process, and the device is simple and easy to operate, greatly improves rubber spring prefabricated slab hoist speed and the safety in the hoisting process.

Description

Technical Field

[0001] This utility model relates to the field of urban rail transit technology, specifically a novel rubber spring precast slab hoisting device. Background Technology

[0002] Rubber spring precast slabs are widely used in subway tunnels, urban rail transit, and other projects, primarily for vibration reduction and noise reduction. However, due to their large size and heavy weight (generally 7-10 tons), uneven stress and cracking at the lifting points are prone to occur during hoisting. Furthermore, the narrow and complex space inside subway tunnels prevents the use of large hoisting equipment, typically requiring transport via track-laying machines. However, track-laying machines have limited clearance, with a maximum height of approximately 2.8 meters, while the width of rubber spring precast slabs is generally 2.6 meters.

[0003] Rubber spring precast slabs have a relatively large self-weight, generally between 7 and 10 tons. Currently, they are usually hoisted using lifting sleeves. This device has a complex structure and often experiences cracking and damage at the hoisting points, thus reducing the safety of hoisting rubber spring precast slabs. Utility Model Content

[0004] The purpose of this utility model is to provide a novel rubber spring precast slab hoisting device to solve the problem of low safety when hoisting large-volume special vibration-damping rubber spring precast slabs through the side hoisting holes in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a novel rubber spring precast slab hoisting device, comprising a hoisting body, the hoisting body comprising a hoisting steel plate, a hoisting lug, a limiter, and a limit steel plate, wherein the limiter, the limit steel plate, and the hoisting steel plate are all disposed on the outer side of the hoisting lug.

[0006] Preferably, both the lifting steel plate and the limiting steel plate have an installation opening on their upper parts, and both the lifting steel plate and the limiting steel plate are slidably sleeved on the outside of the lifting lug through the installation opening. A limiting base plate is fixedly provided at the bottom end of the lifting lug, and a spacer plate is slidably sleeved on the outside of the lifting lug, with the spacer plate located between the lifting steel plate and the limiting steel plate.

[0007] Preferably, the limiter includes two mirror-symmetrically arranged limit plates, each of which has a through-type fixing port at both ends on one side. A bolt is inserted into the fixing port, and a nut is threaded onto the movable end of the bolt.

[0008] Preferably, the lifting lug has limiting grooves on both sides, and the two limiting plates are respectively disposed in the cavities of the two limiting grooves.

[0009] Preferably, the limiting plate is fixedly provided with a linear array of limiting blocks on one side, and the inner wall of the limiting groove is provided with a through first limiting hole at the corresponding position of each limiting block.

[0010] Preferably, the limiting plate has a second limiting hole, and the limiting block is inserted into the cavity of the first limiting hole and the second limiting hole.

[0011] Preferably, the upper part of the limiting steel plate is fixedly provided with two handles, which are located on both sides of the lifting lug.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. The structure designed in this application is simple to manufacture and has no special requirements for material selection. It solves the problems of difficult hoisting of rubber spring precast slabs in subway tunnels and cracking and damage to the rubber spring precast slabs caused by hoisting, ensuring the quality of the rubber spring precast slabs and the safety of personnel during the hoisting process. The device is simple and easy to operate, greatly improving the hoisting speed and safety of the rubber spring precast slabs during the hoisting process.

[0013] 2. By setting up detachable lifting steel plates and limiting steel plates, this application can effectively improve the ease of disassembly and assembly of the rubber spring precast slab lifting device structure, and thus can be replaced according to the damage of the structure, thereby improving the ease of maintenance of the rubber spring precast slab lifting device. Attached Figure Description

[0014] Figure 1 This is a three-dimensional assembly diagram of a novel rubber spring precast slab hoisting device according to the present invention. Figure 2 This is a three-dimensional unfolded schematic diagram of the novel rubber spring precast slab hoisting device of this utility model; Figure 3 This is a three-dimensional schematic diagram of the lifting lugs of a novel rubber spring precast slab hoisting device according to this utility model; Figure 4 This is a three-dimensional schematic diagram of the limiter of a novel rubber spring precast slab hoisting device according to this utility model.

[0015] The following are the labels in the diagram: 1. Lifting device body; 2. Lifting lug; 3. Limiter; 301. Limiting plate; 302. Bolt; 4. Limiting steel plate; 5. Handle; 6. Lifting steel plate; 7. Installation port; 8. Limiting base plate; 9. Spacer sleeve; 10. Limiting groove; 11. Limiting block; 12. First limiting hole; 13. Second limiting hole; 14. Fixing port. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example: Figure 1 - Figure 4 As shown, this utility model provides a technical solution for a new type of rubber spring precast slab hoisting device, including a hoisting body 1. The hoisting body 1 includes a hoisting steel plate 6, a hoisting lug 2, a limiter 3, and a limiter steel plate 4. The limiter 3, the limiter steel plate 4, and the hoisting steel plate 6 are all located on the outside of the hoisting lug 2. Specifically, the limiting steel plate 4 and the hoisting steel plate 6 are horizontally offset from each other at a 60° angle.

[0018] like Figure 1 and Figure 2 As shown, both the lifting steel plate 6 and the limiting steel plate 4 have an installation port 7 on their upper parts, and both the lifting steel plate 6 and the limiting steel plate 4 are slidably sleeved on the outside of the lifting lug 2 through the installation port 7. The bottom end of the lifting lug 2 is fixedly provided with a limiting base plate 8, and a spacer plate 9 is slidably sleeved on the outside of the lifting lug 2. The spacer plate 9 is located between the lifting steel plate 6 and the limiting steel plate 4.

[0019] like Figure 4 As shown, the limiter 3 includes two mirror-symmetrical limit plates 301. Both ends of one side of the limit plate 301 are provided with through-type fixing ports 14. Bolts 302 are inserted into the fixing ports 14. Nuts are threaded on the movable end of the bolts 302. Limit grooves 10 are provided on both sides of the lifting lug 2. The two limit plates 301 are respectively set in the cavities of the two limit grooves 10.

[0020] like Figure 3 and Figure 4 As shown, a linear array of limiting blocks 11 is fixedly arranged on one side of the front limiting plate 301. A through first limiting hole 12 is opened on the inner wall of the limiting groove 10 and at the corresponding position of each limiting block 11. A second limiting hole 13 is opened on the rear limiting plate 301. The limiting blocks 11 are inserted into the cavities of the first limiting hole 12 and the second limiting hole 13.

[0021] like Figure 1 and Figure 2 As shown, two handles 5 are fixedly installed on the upper part of the limiting steel plate 4, and the two handles 5 are located on both sides of the lifting lug 2.

[0022] Specifically, the lifting steel plate 6, lifting lug 2, and limiter 3 can be adapted according to the size of the rubber spring floating cylinder. This is suitable for lifting precast rubber spring slabs. Specifically, the lifting device body 1 includes a limiting device A and a limiting device B. The limiting device A includes a lifting steel plate 6, a lifting lug 2, and a limiter 3; the limiting device B includes a limiting steel plate 4 and a handle 5.

[0023] Specifically, the limiting steel plate 4 and the handle 5 can be adapted to the size of the rubber spring floating cylinder, which can effectively prevent the lifting device from falling off due to shaking during the lifting process; Working principle: First, place the precast slab on a flat site. Install the retaining ring and wire rope on the lifting lug 2 of the limiting device A, and connect the other end of the wire rope to the track-laying machine's lifting device. The operator, holding handle 5, inserts the device into the floating tank through the notch and rotates it 60° clockwise, so that the limiting device A is below the protrusion on the top of the floating tank, and the anti-detachment device B is flush against the edge of the protrusion on the top of the floating tank. Only after completing these steps can the lifting operation begin. After lifting, the operator, holding handle 5, rotates it 60° counterclockwise to remove the lifting device. The floating tank is an existing technical structure or equipment, and its specific form, usage and installation method are not described in detail in this application.

[0024] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A novel rubber spring precast slab hoisting device, comprising a hoisting body (1), characterized in that: The lifting device body (1) includes a lifting steel plate (6), a lifting lug (2), a limiter (3) and a limiting steel plate (4), wherein the limiter (3), the limiting steel plate (4) and the lifting steel plate (6) are all located on the outside of the lifting lug (2); The upper part of the lifting steel plate (6) and the limiting steel plate (4) are provided with installation openings (7), and the lifting steel plate (6) and the limiting steel plate (4) are slidably sleeved on the outside of the lifting lug (2) through the installation openings (7). The bottom end of the lifting lug (2) is fixedly provided with a limiting base plate (8), and the outside of the lifting lug (2) is slidably sleeved with a spacer plate (9). The spacer plate (9) is located between the lifting steel plate (6) and the limiting steel plate (4). The limiter (3) includes two mirror-symmetrical limit plates (301). Both ends of one side of the limit plate (301) are provided with through-type fixing ports (14). A bolt (302) is inserted into the fixing port (14), and a nut is threaded on the movable end of the bolt (302). The lifting lug (2) has a limiting groove (10) on both sides, and the two limiting plates (301) are respectively set in the cavity of the two limiting grooves (10).

2. The novel rubber spring precast slab hoisting device according to claim 1, characterized in that: The limiting plate (301) is fixedly provided with a linear array of limiting blocks (11) on one side, and a through first limiting hole (12) is provided on the inner wall of the limiting groove (10) at the corresponding position of each limiting block (11).

3. The novel rubber spring precast slab hoisting device according to claim 2, characterized in that: The limiting plate (301) has a second limiting hole (13), and the limiting block (11) is inserted into the cavity of the first limiting hole (12) and the second limiting hole (13).

4. The novel rubber spring precast slab hoisting device according to claim 3, characterized in that: Two handles (5) are fixedly installed on the upper part of the limiting steel plate (4), and the two handles (5) are located on both sides of the lifting lug (2).

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