CN219259321U - Automatic unhooking device for hoisting - Google Patents
Automatic unhooking device for hoisting Download PDFInfo
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- CN219259321U CN219259321U CN202320311350.4U CN202320311350U CN219259321U CN 219259321 U CN219259321 U CN 219259321U CN 202320311350 U CN202320311350 U CN 202320311350U CN 219259321 U CN219259321 U CN 219259321U
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- hoisting
- shackle
- lifting ring
- automatic unhooking
- automatic
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Abstract
The utility model discloses an automatic unhooking device for hoisting, which comprises a hoisting ring and a hoisting ring shackle; the lifting ring shackle is connected with an automatic unhooking mechanism; the automatic unhooking mechanism drives the lifting ring shackle to rotate on the lifting ring to withdraw; the automatic unhooking mechanism is arranged on the temporary bracket; the temporary support is adsorbed on the hoisting main body through an electromagnet; after unhooking is completed, the electromagnet is powered off, and the temporary support is separated from the hoisting main body; the unhooking device solves the problem that the unhooking device in the prior art can only achieve semi-automatic operation but cannot be completely operated remotely, so that the efficiency is low.
Description
Technical Field
The utility model relates to the technical field of construction equipment of building steel structures, in particular to an automatic lifting hook device.
Background
At present, when the steel structure is hoisted, the hoisting point of the vertical component is higher, constructors need to ascend a height to unhook or make a ladder stand platform in advance, the safety risk is higher, and the construction cost is high. Therefore, the unhooking device is needed to assist constructors to operate on the ground so as to finish unhooking, and therefore the safety risk of unhooking is effectively reduced.
For example, chinese publication CN 215479189U describes an efficient unhooking device for hoisting lightweight steel structures, comprising: the lifting ring comprises a lifting ring main body, a pipe body, a mandrel, an elastic component and a pull rope. The lifting ring main body comprises a first arm, a second arm and a connecting arm for connecting the first arm and the second arm; the first arm is provided with a first connecting hole, and the second arm is provided with a second connecting hole. The body is connected on the first arm of hoist and mount body. The pipe body is provided with a hollow cavity communicated with the first connecting hole; the mandrel penetrates through the hollow cavity and the first connecting hole; the elastic component sets up in hollow intracavity, and the elastic component both ends are supported respectively on dabber and body for the dabber inserts first connecting hole, and dabber, first arm, second arm and linking arm enclose and close and form confined lifting rope and wear the cover space. The stay cord is connected with the dabber, and the stay cord can drive the dabber and remove along hollow chamber for dabber and second arm are separated mutually, wear the cover space with confined lifting rope and open the breach, can high-efficient safe unhook, have avoided artifical high altitude construction unhook, have improved the construction security.
However, in the unhooking device in the prior art, a constructor pulls a pull rope on the ground, and after the pull rope drives the mandrel to horizontally move along the hollow cavity, the gap can be opened after the mandrel is separated from the second arm, but the lifting ring is at a certain height and is hung on a steel wire rope, and a little external force can enable the lifting ring main body and the pipe body to rotate in the air, so that the direction is changed, and thus, for the constructor standing on the ground, the pull rope horizontally moves along one direction, the operation difficulty is high; in addition, the unhooking device in the prior art can only realize semi-automatic operation but cannot be completely operated in a remote control mode, so that the problem of low efficiency is solved.
Disclosure of Invention
The utility model aims to solve the problem that the unhooking device in the prior art is low in efficiency because of only semi-automatic and incomplete remote control operation, and provides an automatic unhooking device for hoisting.
The aim of the utility model is achieved by the following technical scheme: an automatic unhooking device for hoisting comprises a hoisting ring and a hoisting ring shackle; the lifting ring shackle is connected with an automatic unhooking mechanism; the automatic unhooking mechanism drives the lifting ring shackle to rotate on the lifting ring to withdraw; the automatic unhooking mechanism is arranged on the temporary bracket; the temporary support is adsorbed on the hoisting main body through an electromagnet; after unhooking is completed, the electromagnet is powered off, and the temporary support is separated from the hoisting main body;
further, the automatic unhooking mechanism comprises a positive and negative motor, a screw rod, a stroke bracket and a shackle sleeve; the stroke support is arranged on the temporary support; screw holes are formed in the stroke support corresponding to the screw rods; one end of the screw is connected with the positive and negative motor; the other end of the screw rod passes through the screw hole and is connected with the shackle sleeve; the shackle sleeve is connected with one end of the lifting ring shackle;
further, a spring is sleeved on the lifting ring shackle in the axial direction; one end of the spring is abutted with the side wall of the lifting ring; the other end of the spring is abutted with the outer wall of the shackle sleeve;
further, the screw rod is connected with the shackle sleeve through a polished rod;
further, the stroke support is a telescopic support;
further, the positive and negative motor and the electromagnet are connected with a mobile power supply;
the further technical proposal is that the travel bracket is also connected with an anti-falling rope; the anti-falling rope is connected with a lifting rope connected with the lifting ring;
the utility model has the following advantages:
1. the automatic unhooking mechanism drives the lifting ring shackle to rotate and withdraw from the lifting ring, so that constructors do not need to pull and withdraw horizontally on the ground by using a pull rope, and automation and convenience of unhooking are improved;
2. the automatic unhooking mechanism is arranged on the temporary support, so that the automatic unhooking mechanism is convenient to install; the temporary support is adsorbed on the hoisting main body, so that the automatic unhooking mechanism can rise to a certain height along with the hoisting main body, and after unhooking is completed, the temporary support is separated from the hoisting main body again to drive the automatic unhooking mechanism to be separated from the hoisting main body;
3. the temporary support is adsorbed on the hoisting main body through the electromagnet, so that the electromagnet on the temporary support can be remotely controlled to be electrified or powered off, and the temporary support is adsorbed on the hoisting main body or separated from the hoisting main body.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a part of the structure of the present utility model.
Fig. 3 is a schematic structural view of the temporary support.
Fig. 4 is a schematic view of the structure of the stroke bracket.
In the figure: 1. a wire rope; 2. lifting ring shackle; 3. a hoisting ring; 4. a temporary support; 5. a travel bracket; 6. a shackle sleeve; 7. a forward and reverse motor; 8. a mobile power supply; 9. a spring; 10. a cable; 11. an anti-falling rope; 12. a polish rod; 13. an electromagnet; 14. an insulating layer; 15. and (3) a screw.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1: as shown in fig. 1 to 4, an automatic lifting hook-off device comprises a lifting ring 3 and a lifting ring shackle 2; the lifting ring shackle 2 is connected with an automatic unhooking mechanism; the automatic unhooking mechanism drives the lifting ring shackle 2 to rotate on the lifting ring 3 to withdraw; the automatic unhooking mechanism is arranged on the temporary support 4; the temporary support 4 is adsorbed on the hoisting main body through an electromagnet 13; after unhooking is completed, the electromagnet 13 is powered off, and the temporary support 4 is separated from the hoisting main body; in the embodiment, the lifting ring 3 is a U-shaped lifting ring 3; one end of the U-shaped lifting ring 3 is provided with a first screw hole; the other end of the U-shaped lifting ring 3 is provided with a second screw hole; lifting lugs are arranged on the lifting main body; the lifting ring shackle 2 sequentially penetrates through the first screw hole, the lifting lug and the second screw hole and is in threaded connection with the first screw hole and the second screw hole, so that the lifting ring 3 and the lifting ring shackle 2 are connected with the lifting lug. In the embodiment, the electromagnet 13 adopts a conventional commercial electromagnet 13, and any reasonable model structure and connection installation mode can be selected according to the needs; in this embodiment, the electromagnet 13 and the front and back motor 7 of the automatic unhooking mechanism may be connected to a conventional remote controller or a PLC numerical control system, so that the constructor can control on the ground. In this embodiment, the temporary support 4 may be attached near the lifting lug of the lifting body, so as to facilitate the installation of the automatic unhooking mechanism.
The automatic unhooking mechanism drives the lifting ring shackle 2 to rotate and withdraw from the lifting ring 3, so that constructors do not need to pull and withdraw horizontally on the ground by using a pull rope, and the automation and convenience of unhooking are improved; the automatic unhooking mechanism is arranged on the temporary support 4, which is beneficial to the installation of the automatic unhooking mechanism; the temporary support 4 is adsorbed on the hoisting main body, so that the automatic unhooking mechanism can rise to a certain height along with the hoisting main body, and after unhooking is completed, the temporary support 4 is separated from the hoisting main body again to drive the automatic unhooking mechanism to be separated from the hoisting main body; the temporary support 4 is adsorbed on the hoisting main body through the electromagnet 13, so that the electromagnet 13 on the temporary support 4 can be remotely controlled to be electrified or powered off, and the temporary support 4 is adsorbed on or separated from the hoisting main body.
The automatic unhooking mechanism comprises a positive and negative motor 7, a screw rod, a stroke bracket 5 and a shackle sleeve 6; the stroke bracket 5 is arranged on the temporary bracket 4; screw holes are formed in the stroke support 5 corresponding to the screw rods; one end of the screw is connected with the positive and negative motor 7; the other end of the screw rod passes through the screw hole and is connected with the shackle sleeve 6; the shackle sleeve 6 is connected with one end of the lifting ring shackle 2; in the embodiment, the front and back motors 7 are conventional commercially available products, and any reasonable model structure and proper connection and installation mode can be selected according to the needs; when a hoisting main body, such as a vertical construction steel column, is hoisted in place and needs unhooking, a positive and negative motor 7 is started on the ground in a remote control mode to drive a screw rod to rotate, the screw rod is driven to unscrew from a travel support 5, a shackle sleeve 6 and a hoisting ring shackle 2 are driven to unscrew, then a temporary support 4 adsorbed by an electromagnet 13 is disconnected in a remote control mode, unhooking is completed slowly, and the hoisting main body is slowly landed. In this embodiment, the screw and the stroke bracket 5 are made of conventional materials with certain mechanical strength, which is beneficial to the stable rotation of the screw on the stroke bracket 5 and the withdrawal of the screw for a proper distance. In this embodiment, the shackle sleeve 6 and the lifting ring shackle 2 are in a conventional fixed connection.
A spring 9 is sleeved on the lifting ring shackle 2 in the axial direction; one end of the spring 9 is abutted against the side wall of the lifting ring 3; the other end of the spring 9 is abutted with the outer wall of the shackle sleeve 6; in the embodiment, the spring 9 is a conventional commercially available spring 9 with certain mechanical strength and elastic deformation force, and any one reasonable structure and material can be selected according to the requirement; the outer diameter of the spring 9 can be set smaller than the outer diameter of the shackle sleeve 6, in the embodiment, when the lifting ring shackle 2 is installed on the lifting ring 3, the shackle sleeve 6 extrudes the spring 9 to compress, and after the lifting ring shackle 2 starts to unhook, the spring 9 releases elastic potential energy along with a certain distance from the lifting ring 3, and the spring 9 is ejected outwards along the axial direction of the spring 9, so that the lifting ring shackle 2 and a screw are accelerated to withdraw; if the screw is rotated out by the motor alone, the speed is slow.
The screw rod is connected with the shackle sleeve 6 through a polished rod 12; a section of polish rod 12 is arranged between the screw rod and the shackle sleeve 6, the outer diameter of the polish rod 12 section is smaller than the inner diameter of a screw hole on the forming support, and when the spring 9 is reset, the screw rod and the polish rod 12 are pushed to be withdrawn from the forming support rapidly.
The travel support 5 is a telescopic support; in the embodiment, the telescopic bracket adopts a conventional commercially available product, and any reasonable model structure and a proper connection and installation mode can be selected according to the needs; in this embodiment, the stroke bracket 5 may have a structure as shown in fig. 4, including a sleeve and a telescopic rod; the sleeve is fixedly arranged on the temporary support 4, the telescopic rod is sleeved in the sleeve in an up-down movable mode, and the height position of the telescopic rod in the sleeve is fixed through the axial limiting part.
The positive and negative motor 7 and the electromagnet 13 are connected with a mobile power supply 8; in this embodiment, the mobile power supply 8 is a conventional commercially available product, and may be a conventional commercially available product and a suitable connection and installation manner as required; for example, a storage battery, is connected with the reversible motor 7 through a cable 10, and is beneficial to providing a stable power supply for the reversible motor 7. In this embodiment, the mobile power supply 8 may be mounted on the temporary support 4, as shown in fig. 3, and an insulating layer 14 may be disposed at a suitable position on the temporary support 4, so as to avoid affecting the normal operation of the mobile power supply 8 and the reversible motor 7.
The travel bracket 5 is also connected with an anti-falling rope 11; the anti-falling rope 11 is connected with a lifting rope connected with the lifting ring 3; in the embodiment, the anti-falling rope 11 adopts a conventional steel wire rope 1 with certain mechanical strength as a safety, so that the device is prevented from falling down to hurt people after unhooking.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. An automatic unhooking device for hoisting comprises a hoisting ring and a hoisting ring shackle; the method is characterized in that: the lifting ring shackle is connected with an automatic unhooking mechanism; the automatic unhooking mechanism drives the lifting ring shackle to rotate on the lifting ring to withdraw; the automatic unhooking mechanism is arranged on the temporary bracket; the temporary support is adsorbed on the hoisting main body through an electromagnet; after unhooking is completed, the electromagnet is powered off, and the temporary support is separated from the hoisting main body.
2. The automatic unhooking device for hoisting according to claim 1, wherein: the automatic unhooking mechanism comprises a positive and negative motor, a screw rod, a stroke bracket and a shackle sleeve; the stroke support is arranged on the temporary support; screw holes are formed in the stroke support corresponding to the screw rods; one end of the screw is connected with the positive and negative motor; the other end of the screw rod passes through the screw hole and is connected with the shackle sleeve; the shackle sleeve is connected with one end of the lifting ring shackle.
3. The automatic unhooking device for hoisting according to claim 2, wherein: a spring is sleeved on the axial direction of the lifting ring shackle; one end of the spring is abutted with the side wall of the lifting ring; and the other end of the spring is abutted with the outer wall of the shackle sleeve.
4. A lifting automatic unhooking device according to claim 3, wherein: the screw rod is connected with the shackle sleeve through a polished rod.
5. The automatic unhooking device for hoisting according to claim 2, wherein: the travel support is a telescopic support.
6. The automatic unhooking device for hoisting according to claim 2, wherein: the positive and negative motor and the electromagnet are connected with a mobile power supply.
7. The automatic unhooking device for hoisting according to claim 2, wherein: the travel support is also connected with an anti-falling rope; the anti-falling rope is connected with a lifting rope connected with the lifting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320311350.4U CN219259321U (en) | 2023-02-24 | 2023-02-24 | Automatic unhooking device for hoisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320311350.4U CN219259321U (en) | 2023-02-24 | 2023-02-24 | Automatic unhooking device for hoisting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219259321U true CN219259321U (en) | 2023-06-27 |
Family
ID=86873054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320311350.4U Active CN219259321U (en) | 2023-02-24 | 2023-02-24 | Automatic unhooking device for hoisting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219259321U (en) |
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2023
- 2023-02-24 CN CN202320311350.4U patent/CN219259321U/en active Active
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