Large concrete member hoisting device

By designing the placement and driving mechanisms of the lifting device for large concrete components, stable clamping of precast components was achieved, solving the problems of swaying and material waste during the lifting process, and improving construction safety and efficiency.

CN223950604UActive Publication Date: 2026-02-27INSTALLATION BRANCH WEIHAI CONSTR GRP CO LTD
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Patent Information

Application Number
CN202520775095.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-02-27
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

In existing technologies, prefabricated components lack effective fixing measures during lifting, making them prone to shaking or falling, and the embedded pull rings need to be cut, resulting in material waste.

Method used

A lifting device for large concrete components was designed, including a placement mechanism and a drive mechanism. The component is clamped synchronously by four side plates to form a closed space. The stability is ensured by combining the self-locking characteristics of the worm gear. The device can also adapt to components of different sizes by using adjustable screws and pressure plates.

Benefits of technology

It improves lifting safety, reduces material waste, facilitates operation, lowers construction risks, and increases construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of hoisting devices, and particularly relates to a large concrete member hoisting device which comprises hoisting equipment and a placing mechanism which is hung on the hoisting equipment and is used for placing and fixing a member, wherein the placing mechanism comprises a top plate which is hung below a steel wire hanging rope of the hoisting equipment; vertical fixing columns are fixedly installed on the periphery of the bottom of the top plate, and the bottoms of the four fixing columns are jointly and fixedly provided with a containing plate used for containing components. Synchronous opening and closing of the four side plates are achieved through the driving mechanism, surrounding type clamping on the periphery of a component is formed, a closed space is formed through cooperation with the containing plate, the component is prevented from shaking or falling off in the hoisting process, hoisting safety is remarkably improved, for some concrete components needing to be hoisted, a pull ring for hoisting does not need to be installed in advance, and the hoisting efficiency is improved. And the processes and cost of pull ring installation and later-stage pull ring cutting and rust resisting treatment are reduced, and the device is energy-saving, environment-friendly, convenient to operate, safe and efficient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hoist device technical field, concretely is a large -scale concrete component hoist device. BACKGROUND

[0002] In the engineering construction construction process, generally utilize hoist mechanism to hoist and transport the prefabricated component, because the prefabricated component has the characteristics of various kinds, heavy weight, if the pull ring for hoisting is installed on the component in advance, then need to calculate and determine the pull ring type embedded, and the embedded range needs to set additional steel bars, and many components need to be cut in the later period, which causes great material waste. In addition, the conventional hoist mechanism can only realize the hoisting and transportation of the component, and in the hoisting process, the prefabricated component lacks effective fixing measures, is easy to shake, and even has the risk of falling, thereby adversely affecting the construction process, so a large -scale concrete component hoist device needs to be developed. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0005] A large -scale concrete component hoist device, it includes hoisting equipment and the placing mechanism for placing and fixing component that is hung in hoisting equipment: the placing mechanism includes the top plate that is hung under the steel wire rope of hoisting equipment, the bottom of the top plate is fixedly installed with vertical fixed column around, the bottom of four fixed columns is fixedly provided with the placing plate for placing component, the bottom of the top plate is provided with the first support around symmetry, two first supports of same side are rotatably provided with the rotating rod through bearing between, the end of four rotating rods is arranged at interval and is integrally formed as '' mouth '' shape, the side plate for clamping the outer lateral wall around component is rotatably arranged on the rod body of each rotating rod;

[0006] The placing mechanism is provided with a driving mechanism for driving the four side plates to move towards or away from the component simultaneously, the driving mechanism comprises a driving bevel gear rotatably arranged at the center of the bottom wall of the top plate, second supports are fixedly arranged around the bottom of the top plate, a lateral transmission rod is rotatably arranged through the sidewall of each second support via a bearing, four transmission rods correspond to four rotating rods and are arranged in a staggered vertical manner, a transmission bevel gear meshing with the driving bevel gear is arranged at the end of the transmission rod close to the driving bevel gear, a worm wheel is fixedly arranged at the other end of the transmission rod close to the middle part of the rotating rod, and a worm is fixedly arranged at the middle part of the rod body of the rotating rod and meshes with the worm wheel.

[0007] As a preferred scheme of the large concrete component hoisting device, the hoisting equipment is one of a bridge crane, a portal crane, a tower crane, a mobile crane and a portal crane.

[0008] As a preferred scheme of the large concrete component hoisting device, the bottom of the placing plate is provided with a buffer device, and the buffer device is a buffer pad.

[0009] As a preferred scheme of the large concrete component hoisting device, a screw rod is rotatably arranged through the sidewall center of each side plate, the screw rod is arranged perpendicularly to the side plate on which the screw rod is mounted, and a pressing plate for abutting and clamping the outer sidewall of the component is arranged at one end of the screw rod.

[0010] As a preferred scheme of the large concrete component hoisting device, one side of the pressing plate close to the outer sidewall of the component is provided with a rubber pad, the surface of the rubber pad is provided with anti-skid lines, the other end of the screw rod is fixedly provided with a knob, and the outer surface of the knob is provided with anti-skid lines.

[0011] As a preferred scheme of the large concrete component hoisting device, a notch is concavely arranged in the side plate at a position close to the worm wheel and the worm, and the notch is always arranged at a distance from the worm wheel and the worm.

[0012] As a preferred scheme of the large concrete component hoisting device, the worm wheel and the worm have self-locking property, and the lead angle of the worm is smaller than the equivalent friction angle between the worm wheel teeth.

[0013] As a preferred scheme of the large concrete component hoisting device, the top center of the driving bevel gear is fixedly provided with a driving rod, the rod body of the driving rod is rotatably penetrated through the top wall center of the top plate through a bearing, and the upper end of the top plate is fixedly provided with a hand lever, and the movable hand lever is always arranged at a distance from the steel wire rope of the hoisting equipment.

[0014] The utility model discloses the beneficial effect is: through the drive mechanism realizes four side plates synchronous opening and closing, forms the surrounding type clamping to the component four -around, cooperation placing board constitutes the enclosed space, avoids the component shaking or falling off in hoisting process, significantly improves hoisting safety. The self -locking characteristic of worm wheel and worm ensures that the side plate position is locked, prevents accidental loosening, further guarantees stability. The screw rod and the pressing plate on the side plate can be adjusted design, support the clamping of different length and width size concrete component, for some concrete components that need to be hoisted, do not need to install the lifting ring used for hoisting in advance, reduces the lifting ring installation and the cutting, the rust prevention treatment etc. process and expense of later period, energy -conserving and environment -friendly, convenient operation, safe and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the utility model will be described in detail below with the drawings and detailed implementation, obviously, the drawings in the following description only some implementation of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings. Wherein:

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the structural schematic diagram of the utility model Figure 1 A area in the utility model;

[0018] Figure 3 It is the structural schematic diagram of the utility model Figure 1 Four side plates of the utility model simultaneously movable;

[0019] Figure 4 It is the structural schematic diagram of the utility model Figure 3 B area in the utility model;

[0020] Figure 5 It is the structural schematic diagram of the utility model Figure 1 The structure schematic diagram of side elevation direction in the utility model;

[0021] Figure 6 It is the structural schematic diagram of the utility model Figure 5 C area in the utility model;

[0022] Figure 7The structure schematic view of the placing mechanism from the top direction without the top plate is shown in the utility model.

[0023] Figure 8 The utility model discloses Figure 7 The structure schematic view of the four side plates moving simultaneously is shown in the utility model.

[0024] Figure 9 The structure schematic view of the driving mechanism from the top direction is shown in the utility model.

[0025] In the drawing: hoisting equipment 100, placing mechanism 200, top plate 201, fixed column 202, placing plate 203, first support 204, rotating rod 205, side plate 206, screw rod 207, pressing plate 208, knob 209, notch 210, driving mechanism 300, driving bevel gear 301, second support 302, transmission rod 303, transmission bevel gear 304, worm wheel 305, worm 306, driving rod 307, hand crank 308. DETAILED DESCRIPTION

[0026] In order to make the above object, features and advantages of the utility model more apparent, below, specific embodiments of the utility model are described in detail with the drawings.

[0027] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0028] Secondly, the utility model is described in detail in combination with the schematic view, and when the embodiments of the utility model are described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic view is only an example, which should not limit the scope of protection of the utility model here. In addition, three-dimensional spatial dimensions of length, width and depth should be included in actual manufacture.

[0029] In order to make the object, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below in combination with the drawings.

[0030] Please refer to Figures 1-9 , which shows the structure schematic view of the embodiment of the large concrete member hoisting device of the utility model, please refer to Figures 1-9 , a large concrete member hoisting device is described in detail.

[0031] The utility model provides a kind of large concrete component hoisting device, including hoisting equipment 100 and the placement mechanism 200 for placing and fixing component hoisted on hoisting equipment 100, the placement mechanism 200 includes the top plate 201 hoisted under steel wire sling of hoisting equipment 100, the bottom of the top plate 201 is fixedly installed with vertical fixed column 202 around, the bottom of four fixed column 202 is fixedly provided with the placement plate 203 for placing component, the bottom of the top plate 201 is symmetrically provided with first support 204 around, two first support 204 of same side are rotatably provided with rotating rod 205 between by bearing, the end of four rotating rod 205 is arranged at interval and is integrally formed as '' mouth '' shape, rotating rod 205 is rotatably provided with side plate 206 for clamping the outer side wall of component on the rod body of each;

[0032] The placement mechanism 200 is provided with a drive mechanism 300 for driving four side plates 206 to approach or move away from the component simultaneously, the drive mechanism 300 includes a drive bevel gear 301 rotatably arranged at the center of the bottom wall of the top plate 201, second supports 302 are fixedly arranged around the bottom of the top plate 201, a lateral transmission rod 303 is rotatably arranged through the side wall of each second support 302 by a bearing, four transmission rods 303 correspond to four rotating rods 205 and are arranged in a staggered vertical manner with the corresponding rotating rods 205, a transmission bevel gear 304 is arranged on one end of the transmission rod 303 close to the drive bevel gear 301, the transmission bevel gear 304 meshes with the drive bevel gear 301, a worm gear 305 is fixedly arranged on the other end of the transmission rod 303 close to the middle position of the rotating rod 205, a worm 306 is fixedly arranged on the middle of the rod body of the rotating rod 205, the worm 306 meshes with the worm gear 305, when four side plates 206 move away from the component simultaneously, i.e., the four side plates 206 are in an "open" state, the placement plate 203 is in an "exposed" state at this time, thereby facilitating the placement or retrieval of the component; when four side plates 206 approach the component simultaneously, i.e., the four side plates 206 are in a "closed" state, the component is "locked" in the space formed by the top plate 201, the placement plate 203, and the four side plates 206, thereby increasing the safety of the component hoisting.

[0033] Further, the hoisting equipment 100 is one of a bridge crane, a gantry crane, a tower crane, a mobile crane, and a portal crane, in the present embodiment, the hoisting equipment 100 adopts a gantry crane, the gantry crane has a spacious working space, and the portal structure design enables the crane to work in a larger span range, capable of covering a larger working area.

[0034] Further, the bottom of the placement plate 203 is provided with a buffer device, which is a buffer pad; when the placement plate 203 is lowered and contacts the ground, the buffer device appropriately buffers the placement plate 203 and the component.

[0035] Further, a screw rod 207 is arranged through the center of the sidewall of each side plate 206, the screw rod 207 is arranged perpendicularly to the side plate 206, one end of the screw rod 207 is provided with a pressing plate 208 for abutting and clamping the outer sidewall of the component; since the length and width of all components are not consistent, the distance between the pressing plate 208 and the component can be adjusted by rotating the screw rod 207, that is, the outer sidewall of the component can be further clamped by adjusting the four pressing plates 208, therefore, by adding the pressing plate 208 with adjustable position on the original side plate 206, components with different length and width can be clamped, and the universal performance of the device is improved.

[0036] Further, the side of the pressing plate 208 close to the outer sidewall of the component is provided with a rubber pad, the surface of the rubber pad is provided with anti-skid lines, the other end of the screw rod 207 is fixedly provided with a knob 209, the outer surface of the knob 209 is provided with anti-skid lines; the knob 209 is convenient for rotating the screw rod 207, so as to adjust the position of the pressing plate 208, and the rubber pad is arranged to avoid the rigid contact between the pressing plate 208 and the component, and reduce the damage of the component.

[0037] Further, a notch 210 is arranged in the inner recess of the side plate 206 at the position close to the worm wheel 305 and the worm 306, the notch 210 is arranged with a distance from the worm wheel 305 and the worm 306; the notch 210 is arranged to avoid the interference between the worm wheel 305 and the worm 306 and the movement of the side plate 206.

[0038] Further, the worm wheel 305 and the worm 306 have self-locking property, the lead angle of the worm 306 is smaller than the equivalent friction angle between the meshing worm wheel 305 and the gear teeth; the reverse self-locking can be realized, that is, only the worm 306 can drive the worm wheel 305, but the worm wheel 305 cannot drive the worm 306, and the reverse self-locking property makes the side plate 206 after adjusting the angle more stable.

[0039] Further, a driving rod 307 is fixedly arranged at the top center of the driving bevel gear 301, the rod body of the driving rod 307 is rotatably arranged through the center of the top wall of the top plate 201 through a bearing, and a hand crank 308 is fixedly arranged at the upper end of the top plate 201, the movable hand crank 308 is arranged with a distance from the steel wire rope of the hoisting device 100; the hand crank 308 is arranged to conveniently drive the driving rod 307 and the driving bevel gear 301 to rotate.

[0040] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A large concrete member hoisting device comprising a hoisting apparatus (100) and a placement mechanism (200) hoisted on the hoisting apparatus (100) for placing and fixing a member, characterized in that: The placing mechanism (200) comprises a top plate (201) hung under a wire rope of the hoisting device (100), vertical fixed columns (202) are fixedly installed around the bottom of the top plate (201), a placing plate (203) for placing components is fixedly arranged at the bottom of the four fixed columns (202), first supports (204) are symmetrically arranged around the bottom of the top plate (201), rotating shafts (205) are rotatably arranged between two first supports (204) on the same side through bearings, the end portions of the four rotating shafts (205) are arranged at intervals and integrally form a "mouth" shape, and side plates (206) for clamping the outer side walls of components are rotatably arranged on the shafts (205). A driving mechanism (300) for driving the four side plates (206) to simultaneously approach or move away from the components is arranged on the placing mechanism (200), the driving mechanism (300) comprises a driving conical gear (301) rotatably arranged at the center of the bottom wall of the top plate (201), second supports (302) are fixedly arranged around the bottom of the top plate (201), transverse transmission rods (303) are rotatably arranged through the side walls of each second support (302) through bearings, the four transmission rods (303) correspond to the four rotating shafts (205) and are arranged in a staggered and perpendicular manner with the corresponding rotating shafts (205), a transmission conical gear (304) meshing with the driving conical gear (301) is arranged at the end of the transmission rod (303) close to the driving conical gear (301), a worm gear (305) is fixedly arranged at the other end of the transmission rod (303) close to the middle position of the rotating shaft (205), and a worm (306) meshing with the worm gear (305) is fixedly arranged at the middle position of the shaft (205).

2. A device for hoisting large concrete elements according to claim 1, characterized in that: The hoisting device (100) is one of a bridge crane, a gantry crane, a tower crane, a mobile crane and a portal crane.

3. A device for hoisting large concrete elements according to claim 1, characterized in that: A buffer device is arranged at the bottom of the placing plate (203), and the buffer device is a buffer pad.

4. A device for hoisting large concrete elements according to claim 1, characterized in that: A screw rod (207) is screwedly arranged through the center of the side wall of each side plate (206), the screw rod (207) and the side plate (206) are arranged in a perpendicular manner, and a pressing plate (208) for abutting against the outer side wall of the clamped component is arranged at one end of the screw rod (207).

5. A device for hoisting large concrete elements according to claim 4, characterised in that: A rubber pad is arranged on the side of the pressing plate (208) close to the outer side wall of the component, the surface of the rubber pad is provided with anti-skid lines, the other end of the screw rod (207) is fixedly provided with a knob (209), and the outer surface of the knob (209) is provided with anti-skid lines.

6. A device for hoisting large concrete elements according to claim 1, characterized in that: A notch (210) is recessed and arranged at the middle position of the upper edge of the side plate (206) close to the worm gear (305) and the worm (306), and the notch (210) is arranged at an interval from the worm gear (305) and the worm (306).

7. A device for hoisting large concrete elements according to claim 1, characterized in that: The worm gear (305) and the worm (306) have self-locking properties, and the lead angle of the worm (306) is smaller than the equivalent friction angle between the meshing worm gear (305) and the gear teeth.

8. A device for hoisting large concrete elements according to claim 1, characterized in that: The top center of the driving bevel gear (301) is fixedly provided with a driving rod (307), the rod body of the driving rod (307) is rotatably penetrated through the top wall center of the top plate (201) through a bearing, and the upper end of the top plate (201) is fixedly provided with a hand lever (308); the movable hand lever (308) is always arranged in a spaced manner with the steel wire rope of the hoisting equipment (100).