Auxiliary equipment for quick disassembly and assembly of crane

By installing hinge seats and positioning blocks on the crane, and using the motor-driven turntable to achieve rapid disassembly and assembly of the crane, the problem of inconvenient disassembly of the lifting rod in the prior art is solved, and the efficiency of disassembly and assembly and maintenance of the crane is improved.

CN223087460UActive Publication Date: 2025-07-11HENAN SHENGQI MASCH GRP CO LTD
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Patent Information

Application Number
CN202520902459.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2025-07-11
Estimated Expiration
2035-05-09

AI Technical Summary

Technical Problem

现有小型支架式起重机的起重杆与本体连接通过螺栓固定,导致拆卸检修不便。

Method used

The auxiliary disassembly and assembly mechanism of hinge base, positioning block and motor-driven motor drive enables rapid disassembly and assembly of the lifting rod through the rotation of the motor-driven turntable. Combined with the design of the hinge positioning shaft and the rotating groove, the disassembly process of the lifting rod is simplified.

Benefits of technology

It improves the convenience of disassembly, assembly and maintenance of lifting rods, simplifies the operation process, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses auxiliary equipment for quickly disassembling and assembling a crane, and relates to the technical field of cranes. The base is connected to the lower end of the crane supporting rod, is arranged on the ground and plays a supporting role; the hinge seat is arranged at the upper end of the crane supporting rod, a hinge notch is formed in the hinge seat, and a hinge positioning shaft is arranged on each of the two sides of the inner wall of the hinge notch. When the hinge is dismounted, the dismounting opening in the end of the rotating disc can be just rotated to the position below the opening in the bottom of the corresponding rotating groove, a worker can pull the lifting rod upwards, the lifting rod drives the positioning block, the hinge positioning shaft sequentially slides to be separated from the rotating groove and the dismounting opening, and dismounting work is completed. And the convenience of dismounting, mounting and overhauling work of the lifting rod is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cranes, and more specifically, to an auxiliary device for quick disassembly and assembly of a crane. Background Art

[0002] A crane refers to a multi-action hoisting machine that vertically lifts and horizontally transports heavy objects within a certain range.

[0003] During the use of existing small bracket-type cranes, the connection between the lifting rod and the body is often fixed by bolts. When it is necessary to disassemble and repair the lifting rod, the disassembly and assembly are relatively inconvenient. Summary of the Invention

[0004] Other features and advantages of the present utility model will be described in the following specification, and will be partially obvious from the specification, or understood by implementing the present utility model. The objectives and other advantages of the present utility model can be realized and obtained through the structures specifically pointed out in the specification and other specification drawings.

[0005] The purpose of the present utility model is to overcome the above deficiencies and provide an auxiliary device for quick disassembly and assembly of a crane.

[0006] To achieve the above objective, the technical solution of the present utility model is: an auxiliary device for quick disassembly and assembly of a crane, comprising: a crane support rod;

[0007] A base, connected to the lower end of the crane support rod and placed on the ground, playing a supporting role;

[0008] A hinge seat, provided at the upper end of the crane support rod. There is a hinge slot on the hinge seat, and a hinge positioning shaft is provided on both sides of the inner wall of the hinge slot;

[0009] A lifting rod, one end of which is hinge-connected to the hinge seat, and an auxiliary disassembly and assembly mechanism is provided at this hinge;

[0010] The auxiliary disassembly and assembly mechanism includes a positioning block fixedly connected to the lifting rod. A rotating slot is provided at the bottom of both the left and right sides of the positioning block. The outside and bottom of the rotating slot have openings. A turntable for closing the bottom opening of the rotating slot is rotatably provided on the bottom surface of the positioning block. Disassembly and assembly openings corresponding to the two rotating slots are respectively provided at both ends of the turntable. A motor for driving the turntable to rotate is provided inside the positioning block;

[0011] The two hinge positioning shafts are respectively rotatably fitted into the two rotating slots.

[0012] Preferably, the positioning block rotates and is located within the hinge slot.

[0013] Preferably, a bearing for rotational positioning is provided between the connection of the turntable and the positioning block.

[0014] Preferably, a battery for powering the motor is also provided inside the positioning block.

[0015] Preferably, a control switch is further provided on the outer wall of the hinge seat, and the control switch is electrically connected to the motor.

[0016] Preferably, a driving cylinder for driving the swinging of the lifting rod is hinged to the outer wall of the crane boom support.

[0017] Preferably, the driving cylinder is one of an electric cylinder, a hydraulic cylinder, and a pneumatic cylinder.

[0018] Preferably, the positioning block is connected to the lifting rod by one of welding and bolt fixing.

[0019] The beneficial effects of the present utility model are as follows: When disassembling the lifting rod from the crane boom support, only need to control the operation of the motor, control the motor to drive the turntable to rotate clockwise by 90 degrees, and the disassembly and assembly opening at the end of the turntable will just rotate to the lower opening of the corresponding rotating groove. Then the staff can pull the lifting rod upward, and the lifting rod drives the positioning block, so that the hinge positioning shaft slides out of the rotating groove and the disassembly and assembly opening in sequence, completing the disassembly work. By adopting the quick disassembly and assembly auxiliary structure at the hinge, the convenience of the disassembly, assembly, inspection and repair work of the lifting rod is effectively improved. Description of the Drawings

[0020] Figure 1 is a three-dimensional structural schematic diagram of a quick disassembly and assembly auxiliary device for a crane according to the present utility model;

[0021] Figure 2 is a side view structural schematic diagram of a quick disassembly and assembly auxiliary device for a crane according to the present utility model;

[0022] Figure 3 is a front view sectional structural schematic diagram of the auxiliary disassembly and assembly mechanism;

[0023] Figure 4 is a side view structural schematic diagram of the positioning block;

[0024] Figure 5 is a structural schematic diagram of the turntable.

[0025] Reference numerals: Crane boom support - 1, Base - 2, Hinge seat - 3, Lifting rod - 4, Hinge slot - 31, Hinge positioning shaft - 32, Positioning block - 41, Rotating groove - 42, Turntable - 43, Disassembly and assembly opening - 44, Motor - 45, Driving cylinder - 11. Detailed Embodiments

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0028] Please refer to Figures 1-5 , the present utility model provides an auxiliary device for rapid disassembly and assembly of a crane, including: a crane support rod 1;

[0029] A base 2, connected to the lower end of the crane support rod 1 and placed on the ground, which plays a supporting role;

[0030] A hinge seat 3, provided at the upper end of the crane support rod 1. There is a hinge slot 31 on the hinge seat 3, and a hinge positioning shaft 32 is provided on both sides of the inner wall of the hinge slot 31;

[0031] A lifting rod 4, one end of which is hinge-connected to the hinge seat 3, and an auxiliary disassembly and assembly mechanism is provided at this hinge;

[0032] The auxiliary disassembly and assembly mechanism includes a positioning block 41 fixedly connected to the lifting rod 4. The positioning block 41 is specifically one of a cuboid structure and a cube structure. A rotating slot 42 is provided at the bottom of both the left and right sides of the positioning block 41. The outside and bottom of the rotating slot 42 have openings. A turntable 43 that closes the bottom opening of the rotating slot 42 is rotatably provided on the bottom surface of the positioning block 41. Disassembly and assembly ports 44 corresponding to the two rotating slots 42 are respectively provided at both ends of the turntable 43. A motor 45 for driving the turntable 43 to rotate is provided in the positioning block 41;

[0033] The two hinge positioning shafts 32 are respectively rotatably fitted into the two rotating slots 42.

[0034] When detaching the jib 4 from the crane boom 1, only need to control the operation of the motor 45, control the motor 45 to drive the turntable 43 to rotate clockwise by 90 degrees, the disassembly and assembly opening 44 at the end of the turntable 43 will exactly rotate to the lower part of the opening at the bottom of the corresponding rotating groove 42, and the staff can pull the jib 4 upward. The jib 4 drives the positioning block 41, so that the hinge positioning shaft 32 slides out of the rotating groove 42 and the disassembly and assembly opening 44 in sequence, completing the disassembly work. By adopting the quick disassembly and assembly auxiliary structure at the hinge, the convenience of the disassembly, assembly, inspection and repair work of the jib 4 is effectively improved.

[0035] During assembly, align the hinge positioning shaft 32 with the disassembly and assembly opening 44 and insert it into the rotating groove 42. Then, the motor 45 drives the turntable 43 to rotate counterclockwise by 90 degrees, so that the turntable 43 closes the opening at the bottom of the rotating groove 42, completing the assembly work.

[0036] According to some embodiments of the present application, optionally, the positioning block 41 rotates and is located in the hinge notch 31, playing the role of hinge positioning.

[0037] According to some embodiments of the present application, optionally, a bearing for rotational positioning is provided between the connection between the turntable 43 and the positioning block 41 to position the rotation of the turntable 43 and improve the closing effect of the turntable 43 on the rotating groove 42.

[0038] According to some embodiments of the present application, optionally, a battery for powering the motor 45 is also provided in the positioning block 41 for wireless power supply, and a window for disassembly, assembly and replacement of the battery is provided on the outer wall of the positioning block 41.

[0039] According to some embodiments of the present application, optionally, a control switch is further provided on the outer wall of the hinge seat 3. The control switch is electrically connected to the motor 45, improving the convenience of the staff's operation. The control switch can control the driving end of the motor 45 to rotate forward and backward.

[0040] According to some embodiments of the present application, optionally, a driving cylinder 11 for driving the jib 4 to swing is hinge-connected to the outer wall of the crane boom 1. The output end of the driving cylinder 11 faces the jib 4. When the output end of the driving cylinder 11 extends, the jib 4 can be hinge-lifted.

[0041] According to some embodiments of the present application, optionally, the driving cylinder 11 is one of an electric cylinder, a hydraulic cylinder, and a pneumatic cylinder. Preferably, an electric cylinder is used, which has the advantages of high-precision control, energy conservation and environmental protection, simple maintenance, and fast response speed.

[0042] According to some embodiments of the present application, optionally, the positioning block 41 and the jib 4 are connected by one of welding and bolt fixing. Preferably, they are connected by bolt fixing, which is convenient for subsequent disassembly, assembly, inspection and repair work.

[0043] It should be understood that the embodiments disclosed in the present utility model are not limited to the specific processing steps or materials disclosed herein, but should extend to equivalent alternatives of such features understood by those of ordinary skill in the relevant art. It should also be understood that the terms used herein are for the purpose of describing particular embodiments only and do not imply limitation.

[0044] As used in the specification, the term "embodiment" means that a particular feature or characteristic described in connection with an embodiment is included in at least one embodiment of the present utility model. Thus, the phrase "in an embodiment" or "embodiment" that appears throughout the specification does not necessarily refer to the same embodiment.

[0045] In addition, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, some specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of the embodiments of the present utility model. However, those skilled in the relevant art will understand that the present utility model can be implemented without one or more of the above specific details or can also be implemented using other methods, components, materials, etc.

Claims

1. An auxiliary device for rapid disassembly and assembly of a crane, characterized in that Comprising: A crane boom (1); A base (2), connected to the lower end of the crane boom (1); A hinge seat (3), provided at the upper end of the crane boom (1), a hinge notch (31) is provided on the hinge seat (3), and a hinge positioning shaft (32) is provided on both sides of the inner wall of the hinge notch (31); A hoisting rod (4), one end of which is hingedly connected to the hinge seat (3), and an auxiliary disassembly and assembly mechanism is provided at this hinge; The auxiliary disassembly and assembly mechanism includes a positioning block (41) fixedly connected to the hoisting rod (4), a rotating groove (42) is provided at the bottom of both the left and right sides of the positioning block (41), the outside and bottom of the rotating groove (42) have openings, a turntable (43) for closing the bottom opening of the rotating groove (42) is rotatably provided on the bottom surface of the positioning block (41), disassembly and assembly openings (44) corresponding to the two rotating grooves (42) are respectively provided at the left and right ends of the turntable (43), and a motor (45) for driving the turntable (43) to rotate is provided in the positioning block (41); The two hinge positioning shafts (32) are respectively rotatably fitted into the two rotating grooves (42).

2. The quick disassembly and assembly auxiliary equipment for a crane according to claim 1, wherein The positioning block (41) rotates and is located within the hinge notch (31).

3. An auxiliary device for rapid disassembly and assembly of a crane according to claim 1, characterized in that, A bearing for rotational positioning is provided between the connection between the turntable (43) and the positioning block (41).

4. An auxiliary device for rapid disassembly and assembly of a crane according to claim 1, characterized in that, A battery for supplying power to the motor (45) is also provided in the positioning block (41).

5. An auxiliary device for rapid disassembly and assembly of a crane according to claim 1, characterized in that, It further includes a control switch provided on the outer wall of the hinge seat (3), and the control switch is electrically connected to the motor (45).

6. An auxiliary device for rapid disassembly and assembly of a crane according to claim 1, characterized in that, A driving cylinder (11) for driving the hoisting rod (4) to swing is hingedly connected to the outer wall of the crane boom (1).

7. An auxiliary device for rapid disassembly and assembly of a crane according to claim 6, characterized in that, The driving cylinder (11) is one of an electric cylinder, a hydraulic cylinder, and a pneumatic cylinder.

8. An auxiliary device for rapid disassembly and assembly of a crane according to claim 1, characterized in that, The positioning block (41) is connected to the hoisting rod (4) by one of welding and bolt fixing.