Multifunctional automatic lifting hook

Abstract

The utility model discloses a multifunctional automatic lifting hook which comprises a spin lock mechanism, a rotary sleeve mechanism, a lifting hook body and a lifting box, the lifting hook body is connected with a lifting device through steel wire ropes. The rotating sleeve mechanism comprises a driving assembly, a hollow rotating platform and a sleeve. The hanging box comprises a box body, a connecting screw rod, a limiting groove and a rotating cavity. The spin lock mechanism comprises a spin lock, a servo motor and a transmission assembly, the spin lock sequentially penetrates through the hollow rotating platform, the sleeve and the limiting groove, and a bottom spring bolt of the spin lock is located in the rotating cavity. During hoisting operation, the hoisting box is pre-mounted at a hoisting point, the lifting device aligns the spring bolt at the bottom of the spin lock to the limiting groove and descends into the rotating cavity, the sleeve is arranged on the box body in a sleeving mode, the spin lock rotates by 90 degrees, the limiting groove and the spring bolt are staggered in a cross mode, and therefore locking operation is completed; and the hollow rotating platform drives the sleeve to rotate, and the hoisting box is taken out from the hoisting point, so that full-automatic hoisting of the steel structure MiC is realized.

Description

Technical Field

[0001] The embodiments of the utility model belong to the technical field of building module hoisting equipment, and more specifically, relate to a multifunctional automatic hook. Background Art

[0002] MiC (Modular Integrated Construction) is the core technology of the prefabricated building 4.0 era. It adopts the concept of "assembly and synthesis". When designing architectural plans and construction drawings, the building is divided into different modules according to the different functional zoning of the building. The modules are then mass-produced with high standards, high quality and high efficiency, and then transported to the construction site for installation.

[0003] In the prior art, the steel structure MiC is usually hoisted and transported by hoisting, such as Figure 4 As shown, due to the steel structure MiC assembly process requirements, the through hole diameter is only allowed to be 1-2mm larger than the major diameter of the nut. The hook's rotary lock cannot be inserted into the hole for lifting, thereby failing to achieve fully automatic lifting of the steel structure MiC, greatly reducing the lifting efficiency.

[0004] Therefore, at this stage, there is an urgent need for a multifunctional automatic lifting hook, which can realize the fully automatic lifting of the steel structure MiC based on the existing lifting point structure of the steel structure MiC, thereby improving the lifting efficiency. Summary of the invention

[0005] Aiming at the problems that the rotary lock of the hook in the prior art cannot be inserted into the hole for lifting, cannot be lifted automatically, and the lifting efficiency is low, the utility model provides a multifunctional automatic hook to solve such problems.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a multifunctional automatic hook, including a hook body connected to a lifting device; a hanging box pre-installed and fixed on a hanging point, including a box body with a prismatic structure, a connecting screw fixed at the bottom of the box body, a limiting groove arranged at the top of the box body, and a rotating cavity arranged at the bottom of the limiting groove; a rotating sleeve mechanism for rotating the hanging box, including a driving assembly, a hollow rotating platform and a sleeve; and a rotary lock mechanism arranged at the bottom of the hook body, which includes a rotary lock, a servo motor and a transmission assembly, wherein the rotary lock passes through the hollow rotating platform, the sleeve and the limiting groove in sequence, and its bottom lock tongue is located in the rotating cavity.

[0007] Furthermore, an elastic steel ball is provided on the inner wall surface of the cavity at the bottom of the sleeve, and is clamped in a clamping groove provided on the outer periphery of the hanging box.

[0008] Furthermore, the limiting groove is arranged at the top of the box body, and its shape is adapted to the lock tongue; the rotating cavity is located at the bottom of the limiting groove, and its diameter is larger than the diameter of the lock tongue.

[0009] Furthermore, the transmission assembly includes a first reducer, a driving gear and a driven gear; the first reducer is fixedly arranged at the bottom of the servo motor, reduces the speed and increases the torque of the servo motor output power and then transmits it to the driving gear, and the driven gear is meshed with the driving gear.

[0010] Furthermore, the rotary lock includes a lock rod and a lock tongue arranged at the bottom of the lock rod. The lock rod is fixedly connected to the driven gear through a flat key and is driven to rotate by the driven gear.

[0011] Furthermore, a thrust ball bearing is sleeved on the locking rod to support the axial load of the locking rod.

[0012] Furthermore, the hollow rotating platform is fixedly arranged at the bottom of the rotary lock mechanism, and a through hole is arranged at the center thereof for passing the rotary lock.

[0013] Furthermore, the driving assembly is vertically fixed on the side of the hollow rotating platform, and includes a driving motor and a second reducer. The output power of the driving motor is decelerated and torque-increased by the second reducer and then transmitted to the power input end of the hollow rotating platform.

[0014] Furthermore, the sleeve is fixedly connected to the power output end at the bottom of the hollow rotating platform, which is matched with the hanging box, and the limiting sleeve is arranged on the hanging box.

[0015] Furthermore, the box body is a hexagonal prism structure, and a chamfer is provided at the outer periphery of the top.

[0016] In general, the above technical solutions conceived by the utility model can achieve the following beneficial effects compared with the prior art:

[0017] (1) The multifunctional automatic hook of the utility model ensures the stability and reliability of the hook through the rotary lock mechanism, the rotating sleeve mechanism, and the hanging box, and can realize the fully automatic lifting of the steel structure MiC, thereby improving the lifting efficiency.

[0018] (2) In the multifunctional automatic hook of the utility model, the rotary lock mechanism 1 realizes 90° rotation of the rotary lock through a servo motor and a transmission assembly, so that the limit groove and the lock tongue are cross-staggered to complete the locking operation, thereby improving the accuracy of the operation.

[0019] (3) The multifunctional automatic hook of the utility model has a hanging box designed with a slot that engages with an elastic steel ball of the sleeve, which can prevent the hanging box from being separated from the sleeve when rising, and also enable the hanging box to be quickly disassembled.

[0020] (4) The multifunctional automatic hook of the utility model is designed with compatibility with existing steel structure MiC lifting points in mind, so that it can adapt to different lifting requirements; at the same time, through automated control, the operating process is simplified, allowing operators to perform lifting operations more conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a multifunctional automatic hook in an embodiment of the utility model;

[0022] Figure 2 A cross-sectional view of a multifunctional automatic hook in an embodiment of the utility model;

[0023] Figure 3 This is a structural schematic diagram of the hanging box in the embodiment of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the steel structure MiC lifting point in the embodiment of the utility model.

[0025] In all the drawings, the same figure numbers represent the same technical features, specifically: 1-rotation lock mechanism, 101-rotation lock, 102-servo motor, 103-first reducer, 104-driving gear, 105-anti-rotation plate, 106-sleeve, 107-thrust ball bearing, 108-driven gear, 109-dust cover, 2-rotating sleeve mechanism, 201-driving motor, 202-second reducer, 203-hollow rotating platform, 204-sleeve, 205-elastic steel ball, 3-hook body, 4-hanging box, 401-box body, 402-connecting screw, 403-limiting groove, 404-rotation chamber. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0027] like Figure 1-4As shown, the utility model provides a multifunctional automatic hook, including a rotary lock mechanism 1, a rotating sleeve mechanism 2, a hook body 3 and a hanging box 4. The hook body 3 is connected to the lifting device through a steel wire rope, so as to hoist and move the steel structure MiC. The rotating sleeve mechanism 2 includes a driving assembly, a hollow rotating platform 203 and a sleeve 204, the driving assembly outputs power to the hollow rotating platform 203, and the power output end at the bottom of the hollow rotating platform 203 drives the sleeve 204 to rotate. The hanging box 4 includes a box body 401 with a prismatic structure, a connecting screw 402 fixedly arranged at the bottom of the box body 401, a limiting groove 403 arranged at the top of the box body 401, and a rotating cavity 404 arranged at the bottom of the limiting groove 403. The rotary lock mechanism 1 includes a rotary lock 101, a servo motor 102 and a transmission assembly, wherein the rotary lock 101 passes through the hollow rotating platform 203, the sleeve 204 and the limiting groove 403 in sequence, and its bottom lock tongue is located in the rotating cavity 403. During the hoisting operation, the hanging box 4 is pre-installed and fixed on the hanging point. The lifting device aligns the lock tongue at the bottom of the rotary lock 101 with the limit groove 403 and sinks it into the rotating cavity 404. At this time, the sleeve 204 is sleeved on the box body 401. The servo motor 102 rotates the rotary lock 101 90° through the transmission assembly, so that the limit groove 403 and the lock tongue are cross-staggered, thereby completing the locking operation. The lifting device can lift the steel structure MiC through the hook. After moving to the unloading point, the hollow rotating platform 203 drives the sleeve 204 to rotate and remove the hanging box 4 from the hanging point, thereby realizing the fully automated lifting of the steel structure MiC.

[0028] like Figure 1-2 As shown, in the embodiment of the utility model, the rotary lock mechanism 1 is arranged at the bottom of the hook body 3, including a rotary lock 101, a servo motor 102 and a transmission assembly; wherein the transmission assembly includes a first reducer 103, a driving gear 104 and a driven gear 108, the servo motor 102 outputs power, which is transmitted to the driving gear 104 after being decelerated and torque-increased by the first reducer 103 fixed at the bottom, and the driven gear 108 is meshed with the driving gear 104 and driven by the driving gear 104 to rotate. The rotary lock 101 includes a lock rod and a lock tongue arranged at the bottom of the lock rod, the lock rod is fixedly connected to the driven gear 10 through a flat key, and is driven by the driven gear 108 to rotate. In order to prevent the lock rod from axially deviating, a thrust ball bearing 107 is sleeved on the lock rod, which supports the axial load of the lock rod, prevents the lock rod from deviating under the action of the axial load, resulting in bending or breaking, and prolongs the service life of the automatic hook. Furthermore, the thrust ball bearing 107 is fixedly mounted on the step portion on the inner side of the lower end of the sleeve 106 , and the top of the sleeve 106 is fixedly connected to the hook body 3 via the anti-rotation plate 105 .

[0029] The rotating sleeve mechanism 2 is used to rotate and loosen and remove the hanging box 4, which includes a driving component, a hollow rotating platform 203 and a sleeve 204. The hollow rotating platform 203 is fixedly arranged at the bottom of the rotary lock mechanism 1, and a through hole is provided at the center thereof for passing the rotary lock 101. At the same time, the power output end at the bottom is rotated by vertically transmitting power between the input shaft and the output shaft. The driving component is vertically fixed on the side of the hollow rotating platform 203, and includes a driving motor 201 and a second reducer 202. The output power of the driving motor 201 is transmitted to the power input end of the hollow rotating platform 203 after being decelerated and torque-increased by the second reducer 202. The sleeve 204 is fixedly connected to the power output end at the bottom of the hollow rotating platform 203, which is compatible with the hanging box 4 and can be limitedly sleeved on the hanging box 4 to drive the hanging box 4 to rotate; further, an elastic steel ball 205 is also provided on the inner wall surface of the bottom cavity of the sleeve 204, which is clamped in the clamping groove provided on the outer periphery of the hanging box 4 to prevent the hanging box 4 from detaching from the sleeve 204 and falling when the hanging box 4 rises.

[0030] like Figure 3 As shown, the hanging box 4 includes a box body 401 , a connecting screw 402 , a limiting groove 403 and a rotating cavity 404 .

[0031] The box body 401 is a prism structure, which is compatible with the sleeve 204, can be limitedly sleeved in the sleeve 204, and is driven by the sleeve 204 to rotate. Preferably, the box body 401 is a hexagonal prism structure. Further, a card slot is provided on the outside of the box body 401, which is engaged with the elastic steel ball 205 to prevent the hanging box 4 from being separated from the sleeve 204 when it rises. Preferably, a chamfer is provided at the outer periphery of the top of the box body 401 to facilitate sliding into the sleeve 204.

[0032] The connecting screw 402 is fixed at the bottom center of the box body 401, which is compatible with the nut at the hanging point and can pass through the through hole to be threadedly connected with the nut to achieve pre-assembly of the hanging box 4 and the steel structure MiC hanging point.

[0033] The limiting groove 403 is arranged at the top of the box body 401, and its shape is adapted to the locking tongue. When the two are parallel, the locking tongue can pass through the limiting groove 403, and when there is an angle between the two, the locking tongue is blocked and restricted from passing.

[0034] The rotation cavity 404 is located at the bottom of the limiting groove 403, and its diameter is larger than the diameter of the lock tongue, so that the lock tongue can rotate.

[0035] When the multifunctional automatic hook of the utility model is used for hoisting operation, the hanging box 4 is installed and fixed on the hanging point, the lifting device drives the hook body 3 to move to the top of the steel structure MiC to be hoisted, so that the bottom lock tongue of the rotary lock 101 is aligned with the limit groove 403, the hook body 3 is lowered, and the lock tongue is lowered into the rotating cavity 404. At this time, the sleeve 204 is sleeved on the box body 401, and the elastic steel ball 205 is clamped in the clamping groove; the servo motor 102 rotates the rotary lock 101 90° through the transmission component, so that the limit groove 403 and the lock tongue are cross-staggered, thereby completing the locking operation; the lifting device can lift the steel structure MiC through the hook, and after moving to the unloading point, the hollow rotating platform 203 drives the sleeve 204 to rotate, thereby rotating the hanging box 4 out of the hanging point, completing the fully automated lifting operation of the steel structure MiC.

[0036] The multifunctional automatic hook of the utility model ensures the stability and reliability of the hook through the rotary lock mechanism 1, the rotating sleeve mechanism 2, and the hanging box 4, and can realize the fully automatic lifting of the steel structure MiC, thereby improving the lifting efficiency

[0037] In the multifunctional automatic hook of the utility model, the rotary lock mechanism 1 realizes 90° rotation of the rotary lock 101 through the servo motor 102 and the transmission assembly, so that the limiting groove 403 and the lock tongue are cross-staggered to complete the locking operation, thereby improving the accuracy of the operation.

[0038] The utility model multifunctional automatic hook, the hanging box 4 is designed with a slot and the elastic steel ball 205 of the sleeve 204 is engaged with each other, which can prevent the hanging box 4 from being separated from the sleeve 204 when rising, and also can realize the rapid disassembly of the hanging box 4.

[0039] The multifunctional automatic lifting hook of the utility model is designed with compatibility with the existing steel structure MiC lifting points in mind, so that it can adapt to different lifting requirements; at the same time, through automatic control, the operation process is simplified, so that the operator can perform lifting operations more conveniently.

[0040] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multifunctional automatic hook, characterized in that: include: A hook body (3) is connected to the lifting device; A hanging box (4) pre-installed and fixed on a hanging point comprises a box body (401) of a prismatic structure, a connecting screw (402) fixedly arranged at the bottom of the box body (401), a limiting groove (403) arranged at the top of the box body (401), and a rotating cavity (404) arranged at the bottom of the limiting groove (403); A rotating sleeve mechanism (2) for rotating the hanging box (4), comprising a driving assembly, a hollow rotating platform (203) and a sleeve (204); And a rotary lock mechanism (1) arranged at the bottom of the hook body (3), which comprises a rotary lock (101), a servo motor (102) and a transmission assembly, wherein the rotary lock (101) passes through the hollow rotating platform (203), the sleeve (204) and the limiting groove (403) in sequence, and its bottom locking tongue is located in the rotating cavity (404).

2. A multifunctional automatic hook according to claim 1, characterized in that: An elastic steel ball (205) is also provided on the inner wall surface of the bottom cavity of the sleeve (204), and is clamped in a clamping groove provided on the outer periphery of the hanging box (4).

3. A multifunctional automatic hook according to claim 1, characterized in that: The limiting groove (403) is arranged at the top of the box body (401), and its shape is matched with the lock tongue; the rotating cavity (404) is located at the bottom of the limiting groove (403), and its diameter is larger than the diameter of the lock tongue.

4. A multifunctional automatic hook according to any one of claims 1-3, characterized in that: The transmission assembly comprises a first reducer (103), a driving gear (104) and a driven gear (108); the first reducer (103) is fixedly arranged at the bottom of the servo motor (102), and transmits the output power of the servo motor (102) to the driving gear (104) after reducing the speed and increasing the torque; the driven gear (108) is meshed with the driving gear (104).

5. A multifunctional automatic hook according to claim 4, characterized in that: The rotary lock (101) comprises a lock rod and a lock tongue arranged at the bottom of the lock rod. The lock rod is fixedly connected to a driven gear (108) via a flat key and is driven to rotate by the driven gear (108).

6. A multifunctional automatic hook according to claim 5, characterized in that: The lock rod is sleeved with a thrust ball bearing (107) which supports the axial load of the lock rod.

7. A multifunctional automatic hook according to any one of claims 1-3, characterized in that: The hollow rotating platform (203) is fixedly arranged at the bottom of the rotary lock mechanism (1), and a through hole is arranged at the center thereof for passing the rotary lock (101).

8. A multifunctional automatic hook according to any one of claims 1-3, characterized in that: The driving assembly is vertically fixed on the side of the hollow rotating platform (203), and comprises a driving motor (201) and a second reducer (202). The output power of the driving motor (201) is decelerated and torque-increased by the second reducer (202) and then transmitted to the power input end of the hollow rotating platform (203).

9. A multifunctional automatic hook according to any one of claims 1-3, characterized in that: The sleeve (204) is fixedly connected to the power output end at the bottom of the hollow rotating platform (203), is compatible with the hanging box (4), and the limiting sleeve is arranged on the hanging box (4).

10. A multifunctional automatic hook according to any one of claims 1-3, characterized in that: The box body (401) is a hexagonal prism structure, and a chamfer is provided at the outer periphery of the top.

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