Prefabricated concrete part hoisting device capable of rotating with load and construction method thereof

By designing the combination of support beams, pull rods, bases and drive structures, the poor convenience and safety hazards of concrete prefabricated components caused by manual operation in the prior art are solved, and precise angle adjustment and efficient lifting of concrete prefabricated components are achieved.

CN115448138BInactive Publication Date: 2024-12-13ZHONG GUO JIAN ZHU TU MU JIAN SHE YOU XIAN GONG SI
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Patent Information

Application Number
CN202211197295.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-29
Publication Date
2024-12-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing concrete prefabricated components hoisting equipment relies on manual hooking and steering, resulting in poor convenience and safety hazards, making it difficult to achieve precise control of the rotation angle of concrete prefabricated components.

Method used

A lifting device for carrying rotary concrete prefabricated parts including support beams, lifting rods, bases and driving structures is designed. The precise angle adjustment of concrete prefabricated parts is achieved through components such as the stopper, oblique drives and rotating motors. and lifting attitude control.

Benefits of technology

It realizes precise angle adjustment of concrete prefabricated parts and high-precision control of lifting posture, which is simple and convenient to operate, improves construction efficiency and reduces safety risks.

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Abstract

The present invention discloses a load-rotating precast concrete component hoisting device and a construction method thereof, wherein a rotating assembly is turned over to support the inner wall of the precast concrete component after a blocking member extends into the hoisting hole of the precast concrete component, and the horizontal setting state of the precast concrete component is adjusted by an oblique driving member, and the deflection of the precast concrete component is adjusted by a driving structure, so that the precast concrete component is hoisted to an installation position in a preset posture, and precise angle adjustment of the precast concrete component under load conditions is achieved, so that the hoisting posture, accuracy, etc. fully meet the requirements, and the operation is simple and convenient, and the construction efficiency is high. The present invention solves the problem that the existing precast concrete component hoisting equipment relies on manual hooking and steering, and has poor convenience.
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Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a load-rotating prefabricated concrete component hoisting device and a construction method thereof. Background Art

[0002] With the rapid development of infrastructure construction and the gradual improvement of requirements for environmental protection and construction efficiency, various components are prefabricated.

[0003] At present, most of the hoisting equipment for precast concrete components adopts the form of truss cranes pulled by wire ropes. This type of crane is a general-purpose lifting equipment. It is difficult to achieve accurate control of the rotation angle of precast concrete components during the hoisting process. Hooking and steering are still done manually, and the hoisting point and wire rope length are manually determined. It is not only inconvenient, but also has great safety hazards.

[0004] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0005] In order to overcome the defects of the prior art, a load-rotating precast concrete component hoisting device and a construction method thereof are provided to solve the problem that the existing precast concrete component hoisting equipment relies on manual hooking and steering and has poor convenience.

[0006] In order to achieve the above-mentioned purpose, a precast concrete component lifting device capable of rotating with load is provided, comprising:

[0007] A supporting beam, wherein a guide groove arranged along the length direction of the supporting beam is formed at the bottom of the supporting beam, two suspension rods are installed in the guide groove in an adjustable manner, a stopper is installed at the lower end of the suspension rod in a flippable manner, the outer diameter of the stopper and the suspension rod is smaller than the inner diameter of the hoisting hole of the concrete precast part, the stopper comprises a lightweight section and a weight section connected to the lightweight section, the lower end of the suspension rod is arranged at the connection between the lightweight section and the weight section to make the weight section sink and the lightweight section tilt upward, and a turning assembly for turning the stopper to make the lightweight section flip downward is installed at the lower end of the suspension rod;

[0008] A vertically arranged lifting rod, the lower end of which is flipably mounted on the middle portion of the supporting beam, and an oblique driving member for driving the supporting beam is connected between the lifting rod and the supporting beam;

[0009] A base, wherein a lifting lug for hanging on a lifting machine is formed on the top of the base, and an axial hole is formed on the bottom of the base, and the upper end of the lifting rod is rotatably inserted into the axial hole;

[0010] The driving structure comprises a driven gear coaxially mounted on the lifting rod and a rotating motor mounted on the base, wherein the output shaft of the rotating motor is coaxially connected with a driving gear, and the driving gear is meshed with the driven gear.

[0011] Furthermore, an anti-slip flange is formed at the upper end of the lifting rod, and the anti-slip flange is arranged in a circle along the circumferential direction of the lifting rod. A supporting flange is detachably installed at the opening of the axial hole, and the supporting flange is arranged in a circle along the circumferential direction of the axial hole. The supporting flange is supported by the anti-slip flange.

[0012] Furthermore, the output shaft of the rotating motor is connected to the driving gear via a speed reducer.

[0013] Furthermore, the oblique driving members are hingedly connected between opposite sides of the lifting rod and opposite ends of the supporting beam.

[0014] Furthermore, the oblique driving member is an electric hydraulic push rod, one end of the electric hydraulic push rod is hinged to the lifting rod, and the other end of the electric hydraulic push rod is hinged to one end of the supporting beam.

[0015] Furthermore, a through slot is formed at the upper portion of the blocking member, a fixed shaft is installed between two opposite side walls of the through slot, a through hole is formed at the lower end of the suspension rod, and the fixed shaft is rotatably inserted through the through hole.

[0016] Furthermore, the rotating assembly is a flip motor, the flip motor is installed at the lower end of the suspension rod, and the output end of the flip motor is coaxially connected to the fixed shaft.

[0017] The present invention provides a construction method of a precast concrete component hoisting device capable of rotating with load, comprising the following steps:

[0018] The lifting lugs of the base are hung on the lifting machine so that the stoppers at both ends of the supporting beam are aligned with the lifting holes at both ends of the concrete prefabricated part;

[0019] Lowering the base so that the blocking member passes through the hanging hole and extends below the hanging hole;

[0020] The light-weight section is rotated downward by a rotating assembly, so that the light-weight section and the heavy-weight section are respectively arranged on opposite sides of the outside of the hanging hole;

[0021] Lifting the base so that the light section and the heavy section are supported on opposite sides of the outside of the lifting hole, thereby lifting the precast concrete part;

[0022] The horizontal setting state of the precast concrete part is adjusted by extending and retracting the oblique driving member, and the deflection direction of the precast concrete part is adjusted by the rotating motor, so that the precast concrete part is hoisted to the installation position in a preset posture.

[0023] The beneficial effects of the present invention are that the load-rotating precast concrete component lifting device of the present invention is flipped to support the inner wall of the precast concrete component after the blocking member extends into the lifting hole of the precast concrete component through the rotating assembly, the horizontal setting state of the precast concrete component is adjusted through the oblique driving member, and the deflection of the precast concrete component is adjusted through the driving structure, so that the precast concrete component is lifted to the installation position in a preset posture, and the precise angle adjustment of the precast concrete component under the load condition is realized, so that the lifting posture, accuracy, etc. fully meet the requirements, and the operation is simple and convenient, and the construction efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0025] Figure 1 The figure is a schematic structural diagram of a precast concrete component hoisting device capable of rotating with load according to an embodiment of the present invention.

[0026] Figure 2 Schematic diagram of the driving structure of an embodiment of the present invention.

[0027] Figure 3 It is a front view of the driving structure of an embodiment of the present invention.

[0028] Figure 4 Schematic diagram of the structure of the blocking member according to an embodiment of the present invention.

[0029] Figure 5 The figure is a schematic diagram of the use state of the load-rotating precast concrete component lifting device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] Reference Figures 1 to 5As shown, the present invention provides a load-rotating precast concrete component lifting device, comprising: a supporting beam 1, a lifting rod 2, a base 3 and a driving structure 4.

[0033] The supporting beam 1 is a high-strength steel beam. A guide groove is formed at the bottom of the supporting beam 1. The guide groove is arranged along the length direction of the supporting beam 1. Two suspension rods 11 are installed in the guide groove in an adjustable manner.

[0034] Specifically, a plurality of first locking holes are respectively provided on the two side walls of the guide groove, and the plurality of first locking holes are spaced apart along the length direction of the guide groove. A second locking hole is provided on the upper end of the suspension rod. The second locking hole is aligned with the first locking hole opposite to the guide groove. A locking rod is inserted into the first locking hole and the second locking hole opposite to each other to lock the suspension rod.

[0035] A stopper 12 is flipably mounted on the lower end of the suspension rod 11. The outer diameters of the stopper 12 and the suspension rod 11 are smaller than the inner diameter of the hoisting hole of the precast concrete part 5. The stopper 12 includes a lightweight section and a weight section connected to the lightweight section. The lower end of the suspension rod 11 is disposed at the connection between the lightweight section and the weight section to make the weight section sink and the lightweight section tilt upward. The suspension rod is hinged to the stopper, and the hinge point between the suspension rod and the stopper is eccentrically arranged, that is, the hinge point is arranged away from the center of gravity of the stopper. Since the weight of the weight section is greater than the weight of the lightweight section, the weight section sinks under its own weight, and the lightweight section tilts upward.

[0036] The lifting rod 2 is arranged vertically. The lower end of the lifting rod 2 is installed in a flippable manner at the middle of the supporting beam 1. An oblique driving member 21 is connected between the lifting rod 2 and the supporting beam 1. The oblique driving member 21 is used to drive the supporting beam 1 to flip.

[0037] A lifting lug 31 for hanging on a lifting machine is formed on the top of the base 3. An axial hole is formed on the bottom of the base 3. The upper end of the lifting rod 2 is rotatably inserted into the axial hole.

[0038] The driving structure 4 includes a driven gear 41, a rotating motor 42 and a driving gear 43. The driven gear 41 is coaxially mounted on the lifting rod 2. The rotating motor 42 is mounted on the base 3. The output shaft of the rotating motor 42 is coaxially connected to the driving gear 43. The driving gear 43 is meshed with the driven gear 41.

[0039] The load-rotating precast concrete component hoisting device of the present invention is configured to flip the blocking component after the blocking component extends into the hoisting hole of the precast concrete component to support the inner wall of the precast concrete component, adjust the horizontal setting state of the precast concrete component through the oblique driving component, and then adjust the deflection of the precast concrete component through the driving structure, so that the precast concrete component is hoisted to the installation position in a preset posture, and the precise angle adjustment of the precast concrete component under the load working condition is realized, so that the hoisting posture, accuracy, etc. fully meet the requirements, and the operation is simple and convenient, and the construction efficiency is high.

[0040] See also Figure 2 The upper end of the lifting rod 2 is formed with an anti-slip flange 22. The anti-slip flange 22 is arranged in a circle along the circumferential direction of the lifting rod 2. A supporting flange is detachably installed at the opening of the shaft hole. The supporting flange is arranged in a circle along the circumferential direction of the shaft hole, and the supporting flange is supported by the anti-slip flange 22.

[0041] In this embodiment, the support flange is mounted to the base by bolts.

[0042] Continue reading Figure 2 and Figure 3 As shown, the output shaft of the rotary motor 42 is connected to the driving gear 43 through a speed reducer.

[0043] See Figure and Figure 5 As shown, oblique driving members 21 are respectively hingedly connected between opposite sides of the lifting rod 2 and opposite ends of the supporting beam 1 .

[0044] In this embodiment, the oblique driving member 21 is an electric hydraulic push rod, one end of which is hinged to the lifting rod 2, and the other end of which is hinged to one end of the supporting beam 1.

[0045] See also Figure 4 As shown, a through slot is provided at the upper part of the blocking member 12. A fixed shaft is installed between the two opposite side walls of the through slot. A through hole is provided at the lower end of the suspension rod 11. The fixed shaft is rotatably inserted into the through hole.

[0046] In some embodiments, the turning assembly is a flip motor, which is mounted at the lower end of the suspension rod, and an output end of the flip motor is coaxially connected to the fixed shaft.

[0047] The present invention provides a construction method of a precast concrete component hoisting device capable of rotating with load, comprising the following steps:

[0048] S1: The lifting lugs 31 of the base 3 are hung on a lifting machine so that the stoppers 12 at both ends of the supporting beam 1 are aligned with the lifting holes at both ends of the precast concrete component 5 .

[0049] In this embodiment, the prefabricated concrete part is a prefabricated concrete pipe.

[0050] S2: lower the base 3 so that the blocking member 12 passes through the hoisting hole and extends to the bottom of the hoisting hole.

[0051] S3: The light-weight section is rotated downward by the rotating assembly, so that the light-weight section and the heavy-weight section are respectively arranged on opposite sides of the outside of the lifting hole.

[0052] Specifically, the fixed shaft is driven by the flip motor so that the light section and the heavy section are respectively arranged on opposite sides of the outside of the lifting hole.

[0053] S4: Lift the base 3 so that the light-weight section and the heavy-weight section are supported on opposite sides of the outside of the lifting hole, and then lift the precast concrete part 5.

[0054] S5: The horizontal setting state of the precast concrete component 5 is adjusted by telescoping the oblique driving member 21, and the deflection direction of the precast concrete component 5 is adjusted by the rotating motor 42, so that the precast concrete component 5 is hoisted to the installation position in a preset posture.

[0055] In this embodiment, the horizontal setting state of the support beam is achieved through the telescopic cooperation of the oblique driving members on the opposite sides of the lifting rod.

[0056] The load-rotating precast concrete parts lifting device of the present invention combines the characteristics of precast component transportation and installation, and adopts the integration of multidisciplinary technologies to design a load-rotating precast concrete parts lifting equipment, which can be well applied to various construction scenarios using precast concrete parts. During the construction process, the lifting process is controlled by remote control, avoiding the inaccuracy of manual operation and possible personal safety accidents. The load-rotating precast concrete parts lifting device of the present invention has the functions of remote control rotation under load, automatic leveling, remote control hooking, etc., which effectively solves various existing problems in the precast component lifting process. With the increasing use of precast components in the construction industry, the equipment can effectively improve operating efficiency, reduce accident risks, etc.

[0057] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A precast concrete component hoisting device capable of rotating with load, characterized in that: include: A supporting beam, wherein a guide groove arranged along the length direction of the supporting beam is formed at the bottom of the supporting beam, two suspension rods are installed in the guide groove in an adjustable manner, a stopper is installed at the lower end of the suspension rod in a flippable manner, the outer diameter of the stopper and the suspension rod is smaller than the inner diameter of the hoisting hole of the concrete precast part, the stopper comprises a lightweight section and a weight section connected to the lightweight section, the lower end of the suspension rod is arranged at the connection between the lightweight section and the weight section to make the weight section sink and the lightweight section tilt upward, and a turning assembly for turning the stopper to make the lightweight section flip downward is installed at the lower end of the suspension rod; A vertically arranged lifting rod, the lower end of which is flipably mounted on the middle portion of the supporting beam, and an oblique driving member for driving the supporting beam is connected between the lifting rod and the supporting beam; A base, wherein a lifting lug for hanging on a lifting machine is formed on the top of the base, and an axial hole is formed on the bottom of the base, and the upper end of the lifting rod is rotatably inserted into the axial hole; The driving structure comprises a driven gear coaxially mounted on the lifting rod and a rotating motor mounted on the base, wherein the output shaft of the rotating motor is coaxially connected with a driving gear, and the driving gear is meshed with the driven gear.

2. The load-rotating precast concrete component hoisting device according to claim 1 is characterized in that: An anti-slip flange is formed at the upper end of the lifting rod, and the anti-slip flange is arranged in a circle along the circumferential direction of the lifting rod. A supporting flange is detachably installed at the opening of the axial hole, and the supporting flange is arranged in a circle along the circumferential direction of the axial hole. The supporting flange is supported by the anti-slip flange.

3. The load-rotating precast concrete component hoisting device according to claim 1, characterized in that: The output shaft of the rotating motor is connected to the driving gear via a speed reducer.

4. The load-rotating precast concrete component hoisting device according to claim 1, characterized in that: The oblique driving members are respectively hingedly connected between opposite sides of the lifting rod and opposite ends of the supporting beam.

5. The load-rotating precast concrete component hoisting device according to claim 4 is characterized in that: The oblique driving member is an electric hydraulic push rod, one end of the electric hydraulic push rod is hinged to the lifting rod, and the other end of the electric hydraulic push rod is hinged to one end of the supporting beam.

6. The load-rotating precast concrete component hoisting device according to claim 1, characterized in that: A through slot is formed at the upper portion of the blocking member, a fixed shaft is installed between two opposite side walls of the through slot, a through hole is formed at the lower end of the suspension rod, and the fixed shaft is rotatably inserted into the through hole.

7. The load-rotating precast concrete component hoisting device according to claim 6, characterized in that: The rotating assembly is a flip motor, which is installed at the lower end of the suspension rod, and the output end of the flip motor is coaxially connected to the fixed shaft.

8. A construction method for a load-rotating precast concrete component hoisting device according to any one of claims 1 to 7, characterized in that: The following steps are involved: The lifting lugs of the base are hung on the lifting machine so that the stoppers at both ends of the supporting beam are aligned with the lifting holes at both ends of the concrete prefabricated part; Lowering the base so that the blocking member passes through the hoisting hole and extends below the hoisting hole; The light-weight section is rotated downward by a rotating assembly, so that the light-weight section and the heavy-weight section are respectively arranged on opposite sides of the outside of the hanging hole; Lifting the base so that the light section and the heavy section are supported on opposite sides of the outside of the lifting hole, thereby lifting the precast concrete part; The horizontal setting state of the precast concrete part is adjusted by extending and retracting the oblique driving member, and the deflection direction of the precast concrete part is adjusted by the rotating motor, so that the precast concrete part is hoisted to the installation position in a preset posture.