CN217025033U - Automatic unhooking hook device has - Google Patents
Automatic unhooking hook device has Download PDFInfo
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- CN217025033U CN217025033U CN202220828636.5U CN202220828636U CN217025033U CN 217025033 U CN217025033 U CN 217025033U CN 202220828636 U CN202220828636 U CN 202220828636U CN 217025033 U CN217025033 U CN 217025033U
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- lifting hook
- clamping groove
- annular clamping
- grooved pulley
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Abstract
The utility model discloses a lifting hook device with automatic unhooking, which belongs to the technical field of electric power construction and comprises two anti-drop plates which are oppositely arranged at intervals, wherein each anti-drop plate comprises a connecting part and a hanging part; a lifting hook is arranged between the hanging parts of the two anti-falling plates, and the upper end of the lifting hook is arranged on the connecting pin shaft; a grooved wheel is arranged on the connecting pin shaft, a notch is arranged on the grooved wheel, one side of the grooved wheel is connected with the upper end of the lifting hook, an annular clamping groove is arranged on the other side of the grooved wheel along the outer edge of the grooved wheel, one end of the annular clamping groove is a closed starting end, and the other end of the annular clamping groove is a tail end communicated with the notch; the anti-falling plate on the side of the annular clamping groove is provided with an elastic pin assembly which penetrates through the anti-falling plate to be matched with the grooved wheel. The utility model can realize automatic unhooking action, improve unhooking efficiency, reduce labor intensity of operators and improve safety and reliability.
Description
Technical Field
The utility model belongs to the technical field of electric power construction, and particularly relates to a lifting hook device with an automatic unhooking function.
Background
The cable is hoisted to a power transmission line iron tower in the power transmission construction process, a hoisting device is adopted to hoist the cable to the power transmission line iron tower through a lifting hook in the existing mode, and an operator manually unhooks the cable. The operation is complicated, the unhooking efficiency is low, and the operation construction progress is influenced; and electric power transmission construction is mostly outdoor high altitude construction, receives factors such as weather wind-force to influence, and loaded down with trivial details operating procedure causes the bodily injury accident to operating personnel easily.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the automatic unhooking hook device, which can realize automatic unhooking action, improve unhooking efficiency, reduce labor intensity of operators and improve safety and reliability.
The utility model is realized in such a way that the automatic unhooking hook device comprises two anti-falling plates which are oppositely arranged at intervals, wherein each anti-falling plate comprises a connecting part and a hanging part arranged at the lower end of the connecting part;
a lifting hook is arranged between the hanging parts of the two anti-falling plates, and the upper end of the lifting hook is rotatably arranged on the connecting pin shaft;
a grooved wheel linked with the lifting hook is arranged on the connecting pin shaft, a notch is arranged on the grooved wheel, one side of the grooved wheel is connected with the upper end of the lifting hook, an annular clamping groove is arranged on the other side of the grooved wheel along the outer edge of the grooved wheel, one end of the annular clamping groove is a closed starting end, and the other end of the annular clamping groove is a tail end communicated with the notch;
the anti-falling plate on the side of the annular clamping groove is provided with an elastic pin assembly, and the elastic pin assembly penetrates through the hanging part of the anti-falling plate and is matched with the annular clamping groove of the grooved wheel;
an extension spring is hung between the connecting parts of the two anti-drop plates, the free end of the extension spring is connected with a flexible component which is wound in the grooved pulley sliding groove, and the other end of the flexible component is fixedly connected in the grooved pulley sliding groove.
Further, hang dress portion lower extreme and be equipped with the anticreep portion that extends to the open position of lifting hook, anticreep portion with be the obtuse angle setting between the connecting portion for in the lifting hook opening is arranged in to the cable at hoist and mount in-process, and with anticreep portion lower extreme block, the effectual cable that prevents breaks off the hook at hoist and mount in-process, improves security and reliability.
Furthermore, the elastic pin assembly comprises a positioning sleeve arranged on the anti-falling plate, a positioning pin is arranged in the positioning sleeve, one end of the positioning pin extends towards the direction of the grooved wheel and is matched with an annular clamping groove in the end face of the grooved wheel, and an elastic part used for resetting the positioning pin is arranged on the positioning pin.
Further, the lower end of the anti-falling part is an arc-shaped end face.
Furthermore, a spacer is arranged between the lifting hook and the anti-falling plate, and the spacer is sleeved on the connecting pin shaft.
Furthermore, the flexible component is a chain or a flexible hoisting belt, and can play a role in fixing and limiting the lifting hook, so that the lifting hook is prevented from generating axial displacement on the connecting pin shaft in the hoisting process.
Furthermore, the outer side surfaces of the connecting column and the two anti-falling plates are connected through fasteners, so that the connecting column is convenient to disassemble and assemble in the using process.
The utility model has the advantages and technical effects that: by adopting the technical scheme, the automatic unhooking action can be realized, the unhooking efficiency is improved, the labor intensity of operators is reduced, and the safety and the reliability are improved. The lifting hook is at the unhook in-process, and the rotation orbit of lifting hook is steady smooth under the restraint of elastic pin subassembly and ring groove, can not rock because of external disturbance production, has guaranteed the stability of equipment.
Drawings
FIG. 1 is a perspective view of the overall structure provided by an embodiment of the present invention;
FIG. 2 is a front view of the overall structure provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of the present invention;
fig. 4 is a schematic view of a sheave structure provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of a dowel and sheave combination provided by an embodiment of the present invention.
In the figure, 1, an anti-drop plate; 1-1, a connecting part; 1-2, a hanging part; 1-3, a drop-proof part; 2. a hook; 3. connecting columns; 4. a spring pin assembly; 4-1, positioning sleeves; 4-2, positioning pins; 4-3, an elastic member; 5. connecting a pin shaft; 6. a grooved wheel; 6-1, gap; 6-2, an annular clamping groove; 6-3, a chute; 6-4, a starting end; 6-5, the tail end; 7. an extension spring; 8. a flexible member; 9. a spacer; 10. a screw; 11. a fastener.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.
As shown in fig. 1 to 5, the present application provides a hook device with automatic unhook function, which includes two anti-drop plates 1 disposed at an opposite interval, where the anti-drop plates 1 include a connecting portion 1-1 and a hanging portion 1-2 disposed at a lower end of the connecting portion 1-1, the lower end of the hanging portion 1-2 is provided with an anti-drop portion 1-3 extending to an opening position of the hook 2, and the anti-drop portion 1-3 and the connecting portion 1-1 are disposed at an obtuse angle. The lower end of the hanging part 1-2 is an arc-shaped end face, and damage to the cable in the process that the lower end of the hanging part 1-2 is in contact with the cable can be avoided. Through adopting the anticreep board 1 of this kind of structure for in 2 openings of lifting hook are arranged in to the cable at hoist and mount in-process, and with anticreep portion 1-3 lower extreme looks block, the effectual cable that prevents unhook at hoist and mount in-process, improve security and reliability.
A connecting column 3 penetrates through the connecting parts 1-1 of the two anti-falling plates 1, the connecting column 3 is connected with the outer side faces of the two anti-falling plates 1 through fasteners 11, specifically, the connecting column 3 is a bolt column, and the fasteners 11 are nuts. During operation, the hoisting device is connected with the connecting column, so that the hoisting operation of the cable is realized, and the disassembly and assembly in the practical process are convenient to operate.
The hanging parts 1-2 of the two anti-drop plates 1 are provided with connecting pin shafts 5 in a penetrating way. Lifting hook 2 is arranged between hanging parts 1-2 of two anti-drop plates 1, the upper end of lifting hook 2 is rotatably arranged on connecting pin shaft 5, specifically, the upper end of lifting hook 2 is provided with a through hole, lifting hook 2 is arranged on connecting pin shaft 5 through the through hole, and lifting hook 2 rotates around connecting pin shaft 5.
A grooved wheel 6 linked with the lifting hook 2 is arranged on the connecting pin shaft 5, a notch 6-1 is arranged on the grooved wheel 6, one side of the grooved wheel 6 is connected with the upper end of the lifting hook 2, an annular clamping groove 6-2 is arranged on the other side of the grooved wheel 6 along the outer edge of the grooved wheel 6, one end of the annular clamping groove 6-2 is a closed starting end 6-4, and the other end of the annular clamping groove 6-2 is a tail end 6-5 communicated with the notch 6-1. In the rotation process of the lifting hook 2, the rotation track of the lifting hook 2 is stably and smoothly constrained by the elastic pin assembly 4 and the annular clamping groove 6-2, no shaking is generated, and the stability of the equipment is ensured.
The anti-falling plate 1 at the side of the annular clamping groove 6-2 is provided with an elastic pin assembly 4, and the elastic pin assembly 4 penetrates through the hanging part 1-2 of the anti-falling plate 1 and is matched with the annular clamping groove 6-2 of the grooved wheel 6. Specifically, the elastic pin assembly 4 comprises a positioning sleeve 4-1 arranged on the anti-falling plate 1, a positioning pin 4-2 is arranged in the positioning sleeve 4-1, one end of the positioning pin 4-2 extends towards the direction of the grooved pulley 6 and is matched with an annular clamping groove 6-2 on the end face of the grooved pulley 6, an elastic member 4-3 used for resetting the positioning pin 4-2 is arranged on the positioning pin 4-2, the elastic member 4-3 is arranged in the positioning sleeve 4-1, one end of the elastic member abuts against the positioning sleeve 4-1, the other end of the elastic member abuts against a baffle plate on the positioning pin 4-2, and the elastic member 4-3 is a spring.
An extension spring is hung between the connecting parts 1-1 of the two anti-drop plates 1, specifically, the extension spring is arranged on the connecting parts 1-1 through a screw 10, a free end of the extension spring 7 is connected with a flexible component 8 wound in a grooved pulley chute 6-3, the other end of the flexible component 8 is fixedly connected in the grooved pulley chute 6-3, preferably, the other end of the flexible component 8 is fixed in the chute 6-3 close to the end face of the notch 6-1, so that the lifting hook 2 can rotate at the maximum angle, and the lifting hook 2 is ensured to be completely opened. Wherein, the flexible component 8 is a chain or a flexible hoisting belt.
Be provided with spacer 9 between lifting hook 2 and the anticreep board 1, spacer 9 suit can play fixed spacing effect to lifting hook 2 on connecting pin axle 5, avoids taking place axial displacement and prevent to take place wearing and tearing at hoist and mount in-process lifting hook 2 on connecting pin axle 5.
When the anti-drop device works, under the no-load state, the lifting hook 2 is parallel to the anti-drop part 1-3 of the anti-drop plate 1, and at the moment, the positioning pin 4-2 in the elastic pin assembly 4 is clamped at the notch 6-1 of the grooved wheel 6, so that the lifting hook keeps the opposite state; during hoisting, the container with the cable is hung in the opening of the lifting hook 2, so that the container with the cable is clamped at the lower ends of the anti-falling parts 1-3 of the lifting hook 2 and the anti-falling plate 1, and the hoisting device hoists the device and the cable through the connecting column 3 and transfers the device and the cable to a power transmission line iron tower to be constructed. In a hoisting state, under the action of gravity of a cable, the lifting hook 2 is relatively vertically arranged, the positioning pin 4-2 of the elastic pin assembly 4 compresses the elastic assembly 4-3 towards the positioning sleeve 4-1, the positioning pin 4-2 enters the starting end 6-4 of the annular clamping groove 6-2 from the notch 6-1, and after entering the annular clamping groove 6-2, the elastic pin assembly 4 is reset and clamped in the annular clamping groove 6-2 under the action of the elastic assembly 4-3; after the container with the cable is conveyed to the power transmission line iron tower, the container is placed on a plane along with the cable, a gap is formed between the container and the lifting hook, the gravity of the cable disappears, the grooved wheel 6 rotates clockwise under the action of the extension spring, the elastic pin assembly 4 moves along the setting track of the annular clamping groove 6-2 along with the rotation of the grooved wheel 6, and the lifting hook 2 rotates clockwise along with the grooved wheel 6, so that the opening of the lifting hook 2 faces downwards, and the automatic unhooking process of the lifting hook 2 is realized. When the anti-dropping device is used again, an operator rotates the lifting hook 2 anticlockwise into the anti-dropping part 1-3 of the anti-dropping plate 1, and enables the positioning pin 4-2 to be clamped in the notch 6-1 of the re-grooved wheel 6.
By adopting the technical scheme, the automatic unhooking action can be realized, the unhooking efficiency is improved, the labor intensity of operators is reduced, and the safety and the reliability are improved. In the unhooking process of the lifting hook 2, the rotation track of the lifting hook 2 is stably and smoothly constrained by the elastic pin assembly 4 and the annular clamping groove 6-2, shaking caused by external interference is avoided, and the stability of the equipment is guaranteed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The automatic unhooking hook device is characterized by comprising two anti-dropping plates (1) which are oppositely arranged at intervals, wherein each anti-dropping plate (1) comprises a connecting part (1-1) and a hanging part (1-2) arranged at the lower end of the connecting part (1-1), a connecting column (3) penetrates through the connecting parts (1-1) of the two anti-dropping plates (1), and a connecting pin shaft (5) penetrates through the hanging parts (1-2) of the two anti-dropping plates (1);
a lifting hook (2) is arranged between the hanging parts (1-2) of the two anti-falling plates (1), and the upper end of the lifting hook (2) is rotatably arranged on the connecting pin shaft (5);
a grooved pulley (6) linked with the lifting hook (2) is arranged on the connecting pin shaft (5), a notch (6-1) is formed in the grooved pulley (6), one side of the grooved pulley (6) is connected with the upper end of the lifting hook (2), an annular clamping groove (6-2) is formed in the other side of the grooved pulley (6) along the outer edge of the grooved pulley (6), one end of the annular clamping groove (6-2) is a closed starting end (6-4), and the other end of the annular clamping groove is a tail end (6-5) communicated with the notch (6-1);
an elastic pin assembly (4) is arranged on the anti-falling plate (1) at the side of the annular clamping groove (6-2), and the elastic pin assembly (4) penetrates through the hanging part (1-2) of the anti-falling plate (1) to be matched with the annular clamping groove (6-2) of the grooved pulley (6);
an extension spring (7) is hung between the connecting parts (1-1) of the two anti-drop plates (1), the free end of the extension spring (7) is connected with a flexible component (8) which is wound in the grooved pulley sliding groove (6-3), and the other end of the flexible component (8) is fixedly connected in the grooved pulley sliding groove (6-3).
2. The automatic unhooking lifting hook device according to claim 1, wherein the lower end of the hanging part (1-2) is provided with a retaining part (1-3) extending to the opening position of the lifting hook (2), and the retaining part (1-3) and the connecting part (1-1) are arranged at an obtuse angle.
3. The automatic unhooking lifting hook device with the function of claim 1 or 2, wherein the elastic pin assembly (4) comprises a positioning sleeve (4-1) arranged on the anti-falling plate (1), a positioning pin (4-2) is arranged in the positioning sleeve (4-1), one end of the positioning pin (4-2) extends towards the sheave (6) and is matched with an annular clamping groove (6-2) on the end face of the sheave (6), and an elastic element (4-3) for resetting the positioning pin (4-2) is arranged on the positioning pin (4-2).
4. A lifting hook device with automatic unhooking according to claim 2, characterised in that the lower end of the retaining part (1-3) is an arc-shaped end surface.
5. The automatic unhooking lifting hook device according to claim 1, wherein a spacer (9) is arranged between the lifting hook (2) and the anti-dropping plate (1), and the spacer (9) is sleeved on the connecting pin shaft (5).
6. Device according to claim 1, characterized in that said flexible member (8) is a chain or a flexible sling.
7. A device as claimed in claim 1, characterised in that the connection column (3) is connected to the outer side of two retaining plates (1) by means of fasteners (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220828636.5U CN217025033U (en) | 2022-04-02 | 2022-04-02 | Automatic unhooking hook device has |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220828636.5U CN217025033U (en) | 2022-04-02 | 2022-04-02 | Automatic unhooking hook device has |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217025033U true CN217025033U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220828636.5U Active CN217025033U (en) | 2022-04-02 | 2022-04-02 | Automatic unhooking hook device has |
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| CN (1) | CN217025033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116534716A (en) * | 2023-04-21 | 2023-08-04 | 江苏万重山电气有限公司 | Self-unhooking mechanism |
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2022
- 2022-04-02 CN CN202220828636.5U patent/CN217025033U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116534716A (en) * | 2023-04-21 | 2023-08-04 | 江苏万重山电气有限公司 | Self-unhooking mechanism |
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