Efficient lifting sling for constructional engineering prefabricated stairs

By designing protective devices on the hoisting equipment, the problem of collisions with prefabricated stairs caused by rope swaying was solved, thus improving the stability and safety of the hoisting process.

CN223752283UActive Publication Date: 2026-01-02VETERAN VETERAN (SHANDONG) CONSTR GRP CO LTD +1
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Patent Information

Application Number
CN202520410456.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-02
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

During the tower's movement, the swaying of the hoisting ropes caused the prefabricated stairs to collide with other objects, resulting in damage and affecting the effectiveness of the hoisting equipment.

Method used

A hoisting device including a protective device was designed. The protective device consists of a fixed plate, a connecting frame, a protective cover, and bolts. The connecting frame is fixed to the fixed plate by bolts, and the protective cover covers the prefabricated stairs to prevent the hoisting rope from swaying.

Benefits of technology

This effectively prevents collisions of the prefabricated stairs caused by the swaying of the hoisting ropes in the wind, improves the effectiveness of the hoisting equipment, and protects the integrity of the prefabricated stairs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a constructional engineering prefabricated stair high-efficiency hoisting sling, which relates to the technical field of hoisting slings, and comprises a tower frame, a lifting rope arranged on one side of the tower frame, a lifting hook arranged on one side of the lifting rope, a protective device arranged on one side of the lifting hook, the protective device comprises a fixed plate, the fixed plate is fixedly connected with the lifting hook, and the fixed plate is fixedly connected with the lifting hook. The protective device comprises a fixing plate, a first bolt is inserted into one side of the fixing plate in a threaded mode, a connecting frame is inserted into one side of the first bolt in a threaded mode, protective covers are fixedly connected to the two sides of the connecting frame, a guide plate is fixedly connected to one side of the fixing plate, and the guide plate is obliquely arranged on one side of the fixing plate. The prefabricated stair on the lifting hook can be shielded and protected, the situation that the lifting rope shakes in windy days, then the prefabricated stair collides with other objects in the air, and consequently the prefabricated stair is damaged is avoided, and then the using effect of the lifting sling is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hoist technology field, especially to a kind of building engineering prefabricated stair efficient hoist. BACKGROUND

[0002] Hoist refers to the device of hoisting heavy objects in hoisting machinery, and stair is important vertical traffic passage in building structure, and is essential building component, and prefabricated stair is hoisted to site assembly construction by hoist.

[0003] When prefabricated stair is used in building engineering, tower will be moved, so that hook reaches prefabricated stair, then prefabricated stair is fixed by iron chain and hook, then tower is moved, to drive prefabricated stair to move by rope and hook, then prefabricated stair is hoisted to suitable place for subsequent combination and fixing. When tower moves, hoisting rope will sway in wind, then prefabricated stair collides with other objects in air, so that prefabricated stair is damaged, and hoist use effect is affected. UTILITARY MODEL CONTENT

[0004] The utility model discloses a kind of building engineering prefabricated stair efficient hoist to solve when tower moves, hoisting rope will sway in wind, then prefabricated stair collides with other objects in air, so that prefabricated stair is damaged, and hoist use effect is affected.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of building engineering prefabricated stair efficient hoist, including tower, the hoisting rope of one side of the tower, the hoisting rope one side is equipped with hook, the hook one side is equipped with protection device, the protection device includes fixed plate, the fixed plate is fixedly connected with hook, the fixed plate one side is screw-threaded and is equipped with first bolt, the first bolt one side is screw-threaded and is equipped with connecting frame, the connecting frame both sides are fixedly connected with protective cover.

[0006] The effect achieved by the above-mentioned components is that when the prefabricated stair is used in the construction project, the tower moves to make the hook reach the prefabricated stair, then the prefabricated stair is fixed to the hook through the iron chain, then the tower moves to drive the prefabricated stair to move through the rope and the hook, and then the prefabricated stair is hoisted to the appropriate place for subsequent combination and fixation. Before the prefabricated stair is fixed to the hook, the connecting frame can be moved, one side of the connecting frame is placed on the upper end of the hook, and the connecting frame is attached to the fixed plate, then the first bolt is rotated, the first bolt is fixed through the connecting frame and the fixed plate, then the protective cover is at the lower end of the hook, and then the prefabricated stair is fixed to the hook. The protective cover shields the prefabricated stair, the prefabricated stair on the hook is shielded and protected by using the protective device, the hoisting rope is prevented from shaking in the wind, and the prefabricated stair is prevented from colliding with other objects in the air, so that the damage of the prefabricated stair is avoided, and the use effect of the hoisting device is improved.

[0007] Preferably, one side of the fixed plate is fixedly connected with a guide plate, and the guide plate is inclinedly arranged on one side of the fixed plate.

[0008] The effect achieved by the above-mentioned components is that the guide plate is used to guide the movement track of the connecting frame, and the fixed plate is better attached to the connecting frame.

[0009] Preferably, one side of the first bolt abuts against a gasket, and one side of the gasket abuts against the fixed plate.

[0010] The effect achieved by the above-mentioned components is that the gasket is used to increase the contact area of the first bolt and the fixed plate, so that the first bolt can better fix the connecting frame.

[0011] Preferably, the connecting frame is fixedly connected with a plurality of anti-skid blocks on both sides, and the plurality of anti-skid blocks are equidistantly arranged on both sides of the connecting frame.

[0012] The effect achieved by the above-mentioned components is that the anti-skid blocks are used to increase the friction between the connecting frame and the operator, so that the connecting frame can be better held and moved, thereby improving the use effect of the connecting frame.

[0013] Preferably, one side of the connecting frame is fixedly connected with a reinforcing plate, and one side of the reinforcing plate is fixedly connected with the protective cover.

[0014] The effect achieved by the above-mentioned components is that the reinforcing plate is used to increase the friction between the connecting frame and the protective cover, so that the connecting frame and the protective cover are prevented from being deformed under stress, thereby improving the use effect of the protective cover.

[0015] Preferably, a plurality of ventilation holes are formed in both sides of the protective cover, and the ventilation holes in both sides of the protective cover are in a strip shape.

[0016] The effect achieved by the above components is that the ventilation holes are arranged on the protective cover, so that when there is wind, the wind can pass through the ventilation holes of the protective cover, reducing the influence of the wind on the protective cover, thereby improving the stability of the use of the protective cover.

[0017] Preferably, the two sides of the protective cover are provided with auxiliary devices, the auxiliary devices include second bolts, the second bolts are threadedly connected with the protective cover, one side of the second bolt is threadedly provided with an L-shaped plate, the two sides of the protective cover are provided with clamping grooves, the size of the L-shaped plate is matched with the size of the clamping grooves on the two sides of the protective cover, and one side of the L-shaped plate is fixedly connected with a rubber pad.

[0018] The effect achieved by the above components is that when the protective cover is used, the rubber pad can be moved to insert the L-shaped plate into the clamping groove, then the second bolt is rotated to fix the second bolt through the protective cover and the L-shaped plate, and then the position of the rubber pad is fixed, and by using the auxiliary device, the rubber pad can be fixed on the two sides of the protective cover, so that the rubber pad can buffer when the protective cover is subjected to external force, thereby improving the use effect of the protective cover.

[0019] Preferably, one side of the second bolt is fixedly connected with an operating block, and the size of the operating block is matched with the size of the second bolt.

[0020] The effect achieved by the above components is that the operating block is used to increase the contact area between the second bolt and the operator, so that the operator can more easily rotate the second bolt.

[0021] In summary, the beneficial effects of the present utility model are:

[0022] By using the protective device, the prefabricated stairs on the lifting hook can be shielded and protected, so that the lifting rope will not sway in the wind, and then the prefabricated stairs will not collide with other objects in the air, thereby preventing damage to the prefabricated stairs, and improving the use effect of the lifting device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the protective device of the present utility model;

[0025] Figure 3 It is an enlarged view of A of the present utility model; Figure 2

[0026] Figure 4 It is an enlarged view of B of the present utility model; Figure 2

[0027] ​​Legend: 1, tower; 2, protective device; 21, fixed plate; 22, first bolt; 23, connecting frame; 24, protective cover; 25, guide plate; 26, gasket; 27, anti-skid block; 28, reinforcing plate; 29, ventilation hole; 3, auxiliary device; 31, second bolt; 32, L-shaped plate; 33, clamping groove; 34, rubber pad; 35, operating block; 4, lifting rope; 5, lifting hook. DETAILED DESCRIPTION

[0028] Referring to Figures 1-4 The embodiment shown discloses a building engineering prefabricated stair efficient lifting sling, which comprises a tower 1, a lifting rope 4 on one side of the tower 1, a lifting hook 5 on one side of the lifting rope 4, and a protective device 2 on one side of the lifting hook 5.

[0029] Referring to Figures 1-4 The protective device 2 comprises a fixed plate 21, the fixed plate 21 is fixedly connected with the lifting hook 5, a first bolt 22 is threadedly inserted on one side of the fixed plate 21, a connecting frame 23 is threadedly inserted on one side of the first bolt 22, and protective covers 24 are fixedly connected on both sides of the connecting frame 23. When prefabricated stairs are used in building engineering, the tower 1 will be moved so that the lifting hook 5 reaches the prefabricated stairs, and then the prefabricated stairs are fixed to the hook through the iron chain. Then the tower 1 is moved to drive the prefabricated stairs to move through the rope and the lifting hook 5, and then the prefabricated stairs are lifted to the appropriate place for subsequent combination and fixation. Before the prefabricated stairs are fixed to the lifting hook 5, the connecting frame 23 can be moved so that one side of the connecting frame 23 is placed on the upper end of the hook, and the connecting frame 23 is in close contact with the fixed plate 21. Then the first bolt 22 is turned to fix the connecting frame 23 and the fixed plate 21, and then the protective cover 24 is at the lower end of the hook. Then the prefabricated stairs are fixed to the hook. The protective cover 24 shields the prefabricated stairs. By using the protective device 2, the prefabricated stairs on the lifting hook 5 can be shielded and protected, and the lifting rope 4 can be prevented from shaking in the wind, which can cause the prefabricated stairs to collide with other objects in the air, thereby causing damage to the prefabricated stairs, and thus improving the use effect of the lifting sling.

[0030] Referring to Figures 1-4As shown, the embodiment discloses that one side of the fixed plate 21 is fixedly connected with a guide plate 25, and the guide plate 25 is obliquely arranged on one side of the fixed plate 21. The guide plate 25 is used to guide the moving track of the connecting frame 23, so that the fixed plate 21 is better attached to the connecting frame 23. One side of the first bolt 22 abuts against a gasket 26, and one side of the gasket 26 abuts against the fixed plate 21. The gasket 26 is used to increase the contact area of the first bolt 22 and the fixed plate 21, so that the first bolt 22 better fixes the connecting frame 23. The connecting frame 23 is fixedly connected with a plurality of anti-skid blocks 27 on both sides, and the plurality of anti-skid blocks 27 are equidistantly arranged on both sides of the connecting frame 23. The anti-skid blocks 27 are used to increase the friction between the connecting frame 23 and the operator, so that the connecting frame 23 is better held and moved, thereby improving the use effect of the connecting frame 23.

[0031] Referring to Figures 1-4 As shown, the embodiment discloses that one side of the connecting frame 23 is fixedly connected with a reinforcing plate 28, and one side of the reinforcing plate 28 is fixedly connected with the protective cover 24. The reinforcing plate 28 is used to increase the friction between the connecting frame 23 and the protective cover 24, so that the connecting frame 23 and the protective cover 24 are not deformed under stress, thereby improving the use effect of the protective cover 24. A plurality of ventilation holes 29 are formed in both sides of the protective cover 24, and the ventilation holes 29 are in a strip shape. The ventilation holes 29 are formed in the protective cover 24, so that when there is wind, the wind can pass through the ventilation holes 29, thereby reducing the influence of the wind on the protective cover 24, and improving the stability of the protective cover 24.

[0032] Referring to Figures 1-4 As shown, the embodiment discloses that both sides of the protective cover 24 are provided with an auxiliary device 3, and the auxiliary device 3 comprises a second bolt 31, the second bolt 31 is threadedly connected with the protective cover 24, one side of the second bolt 31 is threadedly inserted with an L-shaped plate 32, both sides of the protective cover 24 are provided with a clamping groove 33, the size of the L-shaped plate 32 is matched with the size of the clamping groove 33, and one side of the L-shaped plate 32 is fixedly connected with a rubber pad 34. When the protective cover 24 is used, the rubber pad 34 can be moved to insert the L-shaped plate 32 into the clamping groove 33, then the second bolt 31 is rotated to fix the second bolt 31 through the protective cover 24 and the L-shaped plate 32, and then the position of the rubber pad 34 is fixed. The auxiliary device 3 is used to fix the rubber pad 34 on both sides of the protective cover 24, so that the rubber pad 34 can buffer the external force applied to the protective cover 24, thereby improving the use effect of the protective cover 24.

[0033] Referring to Figures 1-4As shown, the second bolt 31 is fixedly connected with an operating block 35 on one side, and the size of the operating block 35 is matched with the size of the second bolt 31. By using the operating block 35, the contact area of the second bolt 31 with the operator is increased, so that the operator can more easily rotate the second bolt 31.

[0034] Working principle: when using the prefabricated stairs in the construction engineering, the tower 1 will move, so that the hook 5 reaches the prefabricated stairs, and then the prefabricated stairs are fixed through the iron chain and the hook, and then the tower 1 moves to drive the prefabricated stairs to move through the rope and the hook 5, and then the prefabricated stairs are hoisted to the appropriate place for subsequent combination and fixation. Before the prefabricated stairs are fixed to the hook 5, the connecting frame 23 can be moved, so that one side of the connecting frame 23 is placed on the upper end of the hook, and the connecting frame 23 is in close contact with the fixed plate 21, then the first bolt 22 is rotated, the first bolt 22 is fixed through the connecting frame 23 and the fixed plate 21, then the protective cover 24 is at the lower end of the hook, then the prefabricated stairs are fixed to the hook, and the protective cover 24 shields the prefabricated stairs, by using the protective device 2, the prefabricated stairs on the hook 5 can be shielded and protected, so that the lifting rope 4 does not shake in the wind, and then the prefabricated stairs in the air collide with other objects, so as to avoid the damage of the prefabricated stairs, thereby improving the use effect of the hoisting device.

[0035] When the protective cover 24 is used, the rubber pad 34 can be moved to insert the L-shaped plate 32 into the clamping groove 33, then the second bolt 31 is rotated to fix the second bolt 31 through the protective cover 24 and the L-shaped plate 32, and then the position of the rubber pad 34 is fixed, by using the auxiliary device 3, the rubber pad 34 can be fixed on both sides of the protective cover 24, so that the rubber pad 34 can buffer when the protective cover 24 is subjected to external force, thereby improving the use effect of the protective cover 24.

Claims

1. A high efficiency hoist for hoisting prefabricated staircases in construction engineering, comprising a tower (1), characterized in that: The tower (1) one side hangs the rope (4), one side of the rope (4) is equipped with the hook (5), one side of the hook (5) is equipped with the protection device (2), the protection device (2) includes the fixed plate (21), the fixed plate (21) is fixedly connected with the hook (5), one side of the fixed plate (21) is equipped with the first bolt (22), one side of the first bolt (22) is equipped with the connecting frame (23), the connecting frame (23) is fixedly connected with the protection cover (24) on both sides.

2. The efficient hoisting hanger for prefabricated stair of constructional engineering according to claim 1, characterized in that: One side of the fixed plate (21) is fixedly connected with the guide plate (25), and the guide plate (25) is inclinedly arranged on one side of the fixed plate (21).

3. The efficient hoisting hanger for prefabricated stair of constructional engineering according to claim 2, characterized in that: One side of the first bolt (22) abuts against the gasket (26), and one side of the gasket (26) abuts against the fixed plate (21).

4. The efficient hoisting hanger for prefabricated stair of constructional engineering according to claim 3, characterized in that: The connecting frame (23) is fixedly connected with a plurality of anti-skid blocks (27) on both sides, and the plurality of anti-skid blocks (27) are equidistantly arranged on both sides of the connecting frame (23).

5. The efficient hoisting hanger for prefabricated stair of constructional engineering according to claim 4, characterized in that: One side of the connecting frame (23) is fixedly connected with the reinforcing plate (28), and one side of the reinforcing plate (28) is fixedly connected with the protection cover (24).

6. The efficient hoisting hanger for prefabricated stair of constructional engineering according to claim 5, characterized in that: A plurality of ventilation holes (29) are formed in both sides of the protection cover (24), and the ventilation holes (29) in both sides of the protection cover (24) are in a strip shape.

7. The efficient hoisting hanger for prefabricated stair of constructional engineering according to claim 6, characterized in that: Both sides of the protection cover (24) are provided with an auxiliary device (3), the auxiliary device (3) includes a second bolt (31), the second bolt (31) is threadedly connected with the protection cover (24), one side of the second bolt (31) is threadedly provided with an L-shaped plate (32), both sides of the protection cover (24) are provided with a clamping groove (33), the size of the L-shaped plate (32) is matched with the size of the clamping groove (33) on both sides of the protection cover (24), and one side of the L-shaped plate (32) is fixedly connected with a rubber pad (34).

8. The efficient hoisting hanger for prefabricated stair of constructional engineering according to claim 7, characterized in that: One side of the second bolt (31) is fixedly connected with an operating block (35), and the size of the operating block (35) is matched with the size of the second bolt (31).