CN219792174U - Unhooking device for crane or tower crane - Google Patents
Unhooking device for crane or tower crane Download PDFInfo
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- CN219792174U CN219792174U CN202321018301.8U CN202321018301U CN219792174U CN 219792174 U CN219792174 U CN 219792174U CN 202321018301 U CN202321018301 U CN 202321018301U CN 219792174 U CN219792174 U CN 219792174U
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- hook
- frame
- crane
- rack
- hook body
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- 238000000034 method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000005484 gravity Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of hook accessories, and particularly relates to a unhooking device for a crane or a tower crane. The utility model provides a unhooking device for a crane or a tower crane, and aims to solve the problems of complex structure and poor stability in the use process of the unhooking device in the prior art. The unhooking device for the crane or the tower crane comprises a hook frame and a lifting hook arranged on the hook frame, wherein the hook frame is also provided with a unhooking mechanism; when the weight is required to be unhooked, the unhooking effect can be conveniently completed only by pulling the operation rope and driving the hook body to rotate through the first rack, the first gear, the second rack and the second gear so as to open the hanging cavity. The structure of the unhooking device is simplified, and the unhooking device is more stable in the working process.
Description
Technical Field
The utility model belongs to the technical field of hook accessories, and particularly relates to a unhooking device for a crane or a tower crane.
Background
In the engineering production process, the heavy object is often required to be lifted to a high place by a crane, and in some special construction operations, the heavy object is also required to be automatically separated from the lifting hook to freely fall, so that the unhooking device is required.
The unhooking device in the prior art needs to be provided with a driving machine, such as a motor and other prime movers, which makes the structure of the unhooking device very complex, and the stability in the use process is poor, and the lifting hook is usually applied to a crane or a tower crane, and the driving machine needs to be driven by a power supply, so that the wiring of the unhooking device is very difficult.
Disclosure of Invention
The utility model provides a unhooking device for a crane or a tower crane, and aims to solve the problems of complex structure and poor stability in the use process of the unhooking device in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the unhooking device for the crane or the tower crane comprises a hook frame and a lifting hook arranged on the hook frame, wherein the hook frame is also provided with a unhooking mechanism;
the lifting hook comprises a first hook body rotating clockwise and a second hook body rotating anticlockwise, and the first hook body and the second hook body are matched to form a closed hanging cavity;
the unhooking mechanism comprises a sliding frame which is connected to the hook frame in a sliding mode, an operation rope which pulls the sliding frame to move is arranged on the sliding frame, a first rack and a second rack are arranged on the sliding frame, a first gear meshed with the first rack is arranged on the first hook body, a second gear meshed with the second rack is arranged on the second hook body, and the first gear and the second gear are both located between the first rack and the second rack.
The further improved scheme is as follows: the sliding rack is characterized in that a sliding rod is further arranged on the sliding rack, a guide plate for guiding the sliding rod is arranged on the hook frame, a guide hole matched with the sliding rod is formed in the guide plate, and the guide plate and the hook frame are of an integrated structure.
Based on the technical scheme: through setting up the deflector, set up the guiding hole on the deflector, the balladeur train has higher displacement precision when the displacement to can prevent that first rack and first gear or second rack and second gear card from dying.
The further improved scheme is as follows: the hanger frame is also provided with a guide wheel for guiding the operation rope, and the guide wheel is rotationally connected to the hanger frame.
Based on the technical scheme: through setting up the leading wheel, the operation rope has higher position accuracy for the balladeur train, when operating the balladeur train displacement through the operation rope, the balladeur train atress is even to make the balladeur train displacement accuracy high.
The further improved scheme is as follows: the guide wheel is provided with an annular concave part for accommodating the operation rope, a part of the operation rope is positioned in the annular concave part, and the guide wheel is rotationally connected to the hook frame through a wheel shaft.
Based on the technical scheme: by arranging the annular concave part, the operation rope has higher position precision relative to the guide wheel, so that the operation rope is not easy to separate from the guide wheel.
The further improved scheme is as follows: the hook frame is provided with a shaft hole matched with the wheel shaft.
Based on the technical scheme: the guide wheel is easy to assemble to the hanger bracket.
The further improved scheme is as follows: the first hook body is connected to the hook frame in a rotating mode through a first rotating shaft, and a first matching hole matched with the first rotating shaft is formed in the hook frame.
Based on the technical scheme: by arranging the first rotating shaft, the first hook body is easy to assemble with the hook frame, and the first hook body rotates flexibly relative to the hook frame.
The further improved scheme is as follows: the second hook body is rotatably connected to the hook frame through a second rotating shaft, and a second matching hole matched with the second rotating shaft is formed in the hook frame.
Based on the technical scheme: by arranging the second rotating shaft, the second hook body is easy to assemble with the hook frame, and the second hook body rotates flexibly relative to the hook frame.
The further improved scheme is as follows: the first gear and the first hook body are of an integrated structure, and the second gear and the second hook body are of an integrated structure.
Based on the technical scheme: the first gear and the first hook body are of an integrated structure, the first hook body is high in strength, and the first gear and the first hook body are not easy to separate in the long-term use process. The second hook body and the second gear are of an integrated structure, and the second gear is not easy to separate from the second hook body.
The further improved scheme is as follows: the sliding frame further comprises a cross rod, and the first rack and the second rack are arranged on the sliding rod through the cross rod.
Based on the technical scheme: through setting up the horizontal pole, first rack and second rack set up the position nimble, and then make the setting position of first gear second gear nimble.
The further improved scheme is as follows: and a rib plate is arranged between the cross rod and the slide rod, and the cross rod, the rib plate and the slide rod are of an integrated structure.
Based on the technical scheme: through setting up the gusset, have higher joint strength between horizontal pole and the slide bar, long-term use in-process balladeur train is not fragile.
The beneficial effects of the utility model are as follows:
when a weight is hung on the first hook body and the second hook body, the operation rope is pulled first, so that the sliding frame is displaced relative to the lifting hook frame, and the sliding frame drives the first hook body and the second hook body to rotate through the first rack, the first gear, the second rack and the second gear respectively in the displacement process, at the moment, the hanging cavity is opened, and the weight can be conveniently hung in the hanging cavity. After the weight is hung in the hanging cavity, the operating rope is loosened, the first hook body and the second hook body rotate under the action of gravity, the hanging cavity is closed, and the weight cannot be separated from the first hook body and the second hook body. Simultaneously, in the process that the first hook body and the second hook body rotate and close the hanging cavity, the sliding frame automatically restores to the original position.
After the heavy object is lifted to the target position by using the crane or the tower crane, the operation rope is pulled, the sliding frame is displaced relative to the lifting hook frame, and in the displacement process of the sliding frame, the first rack, the first gear, the second rack and the second gear respectively drive the first hook body and the second hook body to rotate, so that the hanging cavity is opened, and the heavy object can be separated from the lifting hook at the moment, and unhooking of the heavy object is completed. And the first hook body and the second hook body automatically rotate and close the hanging cavity under the action of gravity when the operation rope is loosened.
When the weight is required to be unhooked, the unhooking effect can be conveniently completed only by pulling the operation rope and driving the hook body to rotate through the first rack, the first gear, the second rack and the second gear so as to open the hanging cavity. The structure of the unhooking device is simplified, and the unhooking device is more stable in the working process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for the users of the art.
Fig. 1 is a schematic view of an unhooking device for a crane or tower crane.
Fig. 2 is a schematic view of a unhooking device for a crane or tower crane in a unhooked state.
Fig. 3 is a schematic view of an internal structure of a detacher for a crane or tower in a first direction.
Fig. 4 is a schematic view of the internal structure of the detacher for the crane or tower in the second direction.
The reference numerals in the figures illustrate:
1-a hanger bracket; 11-a guide wheel; 12-wheel axle; 13-shaft holes; 2-lifting hooks; 21-a first hook; 22-a second hook; 23-hanging cavity; 3-unhooking mechanism; 31-a carriage; 32-an operating cord; 33-a first rack; 34-a second rack; 35-a first gear; 36-a second gear; 37-slide bar; 371-guide plate; 372-guiding holes; 38-a cross bar; 39-rib plates.
Detailed Description
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. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be obtained by the user of the field without creative efforts, are included in the protection scope of the present utility model based on the embodiments of the present utility model.
Embodiment one:
referring to fig. 1 to 4, an unhooking device for a crane or a tower crane comprises a lifting hook 2 frame and a lifting hook 2 arranged on the lifting hook 2 frame, wherein the lifting hook 2 frame is also provided with a unhooking mechanism 3;
the lifting hook 2 comprises a first hook body 21 which rotates clockwise and a second hook body 22 which rotates anticlockwise, and the first hook body 21 and the second hook body 22 are matched to form a closed hanging cavity 23;
the unhooking mechanism 3 comprises a sliding frame 31 which is connected to the lifting hook 2 frame in a sliding way, an operation rope 32 which pulls the sliding frame 31 to move is arranged on the sliding frame 31, a first rack 33 and a second rack 34 are arranged on the sliding frame 31, a first gear 35 which is meshed with the first rack 33 is arranged on the first hook body 21, a second gear 36 which is meshed with the second rack 34 is arranged on the second hook body 22, and the first gear 35 and the second gear 36 are both positioned between the first rack 33 and the second rack 34.
The operating rope 32 may be operated manually, or the operating rope 32 may be extended to a hoist of a crane or a tower crane, by which the operating rope 32 is pulled.
When the unhooking displacement is difficult or undesirable to operate manually, the operating cord 32 may be pulled by the winding arrangement. When the hoisting equipment rotates forwards, the operation rope 32 is pulled, when the hoisting equipment rotates reversely, the operation rope 32 is loosened, and after the operation rope 32 is loosened, the first hook body 21 and the second hook body 22 close the hanging cavity 23 under the action of gravity.
Embodiment two:
referring to fig. 1 to 4, in order to make the carriage 31 have higher displacement accuracy, the first gear 35 and the second gear 36 are less likely to be jammed, based on the above embodiment: the sliding frame 31 is further provided with a sliding rod 37, the lifting hook 2 frame is provided with a guide plate 371 for guiding the sliding rod 37, the guide plate 371 is provided with a guide hole 372 matched with the sliding rod 37, and the guide plate 371 and the lifting hook 2 frame are of an integrated structure.
The lifting hook 2 frame is also provided with a guide wheel 11 for guiding the operation rope 32, and the guide wheel 11 is rotatably connected to the lifting hook 2 frame.
The guide wheel 11 is provided with an annular concave part for accommodating the operation rope 32, a part of the operation rope 32 is positioned in the annular concave part, and the guide wheel 11 is rotatably connected to the lifting hook 2 frame through the wheel shaft 12.
The lifting hook 2 frame is provided with a shaft hole 13 matched with the wheel shaft 12.
Embodiment III:
referring to fig. 1 to 4, in order to facilitate the assembly of the first hook body 21, the second hook body 22 and the hanger 2 frame, the above embodiment is based on: the first hook body 21 is rotatably connected to the hook 2 frame through a first rotating shaft, and a first matching hole matched with the first rotating shaft is formed in the hook 2 frame.
The second hook body 22 is rotatably connected to the hook 2 frame through a second rotating shaft, and a second matching hole matched with the second rotating shaft is formed in the hook 2 frame.
The first gear 35 and the first hook 21 are integrally formed, and the second gear 36 and the second hook 22 are integrally formed.
Embodiment four:
referring to fig. 1 to 4, in order to make the arrangement positions of the first rack 33 and the second rack 34 flexible, the above embodiment is based on: the carriage 31 further comprises a cross bar 38, and the first rack 33 and the second rack 34 are both arranged on the slide bar 37 by means of the cross bar 38.
Fifth embodiment:
referring to fig. 1 to 4, in order to provide a higher strength of connection between the cross bar 38 and the slide bar 37, the above embodiment is based on: a rib plate 39 is arranged between the cross rod 38 and the slide rod 37, and the cross rod 38, the rib plate 39 and the slide rod 37 are of an integrated structure.
The unhooking device for a crane or a tower crane provided by the utility model is further described below by combining the working principle:
when a weight is hung on the first hook body 21 and the second hook body 22, the operation rope 32 is pulled first, the sliding frame 31 is enabled to move relative to the lifting hook 2 frame, the sliding frame 31 drives the first hook body 21 and the second hook body 22 to rotate through the first rack 33, the first gear 35, the second rack 34 and the second gear 36 respectively in the moving process, at the moment, the hanging cavity 23 is opened, and the weight can be conveniently hung in the hanging cavity 23. After the weight is hung in the hanging cavity 23, the operating rope 32 is loosened, the first hook body 21 and the second hook body 22 rotate under the action of gravity, the hanging cavity 23 is closed, and the weight cannot be separated from the first hook body 21 and the second hook body 22. Meanwhile, the carriage 31 automatically restores to the original position in the process of rotating the first hook body 21 and the second hook body 22 and closing the hanging chamber 23.
After the weight is lifted to the target position by a crane or a tower crane, the operation rope 32 is pulled, the sliding frame 31 is displaced relative to the lifting hook 2 frame, and in the displacement process of the sliding frame 31, the first rack 33, the first gear 35, the second rack 34 and the second gear 36 respectively drive the first hook body 21 and the second hook body 22 to rotate, so that the hanging cavity 23 is opened, and at the moment, the weight can be separated from the lifting hook 2, and unhooking of the weight is completed. The first hook body 21 and the second hook body 22 automatically rotate and close the hanging cavity 23 under the action of gravity by loosening the operation rope 32.
The utility model is not limited to the above-mentioned alternative embodiments, on the premise of not contradicting each other, can combine arbitrarily between every scheme; any person who is in the light of the present utility model can obtain other products in various forms, however, any changes in shape or structure are within the scope of the present utility model as defined by the claims.
Claims (10)
1. A unhooking device for a crane or tower crane, characterized by: the lifting hook comprises a lifting hook frame and a lifting hook arranged on the lifting hook frame, wherein the lifting hook frame is also provided with a unhooking mechanism;
the lifting hook comprises a first hook body rotating clockwise and a second hook body rotating anticlockwise, and the first hook body and the second hook body are matched to form a closed hanging cavity;
the unhooking mechanism comprises a sliding frame which is connected to the hook frame in a sliding mode, an operation rope which pulls the sliding frame to move is arranged on the sliding frame, a first rack and a second rack are arranged on the sliding frame, a first gear meshed with the first rack is arranged on the first hook body, a second gear meshed with the second rack is arranged on the second hook body, and the first gear and the second gear are both located between the first rack and the second rack.
2. A unhooking device for a crane or tower according to claim 1, wherein: the sliding rack is characterized in that a sliding rod is further arranged on the sliding rack, a guide plate for guiding the sliding rod is arranged on the hook frame, a guide hole matched with the sliding rod is formed in the guide plate, and the guide plate and the hook frame are of an integrated structure.
3. A unhooking device for a crane or tower according to claim 1, wherein: the hanger frame is also provided with a guide wheel for guiding the operation rope, and the guide wheel is rotationally connected to the hanger frame.
4. A detacher for a crane or tower according to claim 3, wherein: the guide wheel is provided with an annular concave part for accommodating the operation rope, a part of the operation rope is positioned in the annular concave part, and the guide wheel is rotationally connected to the hook frame through a wheel shaft.
5. A detacher for a crane or tower according to claim 4, wherein: the hook frame is provided with a shaft hole matched with the wheel shaft.
6. A unhooking device for a crane or tower according to claim 1, wherein: the first hook body is connected to the hook frame in a rotating mode through a first rotating shaft, and a first matching hole matched with the first rotating shaft is formed in the hook frame.
7. A unhooking device for a crane or tower according to claim 1, wherein: the second hook body is rotatably connected to the hook frame through a second rotating shaft, and a second matching hole matched with the second rotating shaft is formed in the hook frame.
8. A unhooking device for a crane or tower according to claim 1, wherein: the first gear and the first hook body are of an integrated structure, and the second gear and the second hook body are of an integrated structure.
9. A unhooking device for a crane or tower according to claim 2, wherein: the sliding frame further comprises a cross rod, and the first rack and the second rack are arranged on the sliding rod through the cross rod.
10. A unhooking device for a crane or tower according to claim 9, wherein: and a rib plate is arranged between the cross rod and the slide rod, and the cross rod, the rib plate and the slide rod are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321018301.8U CN219792174U (en) | 2023-04-27 | 2023-04-27 | Unhooking device for crane or tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321018301.8U CN219792174U (en) | 2023-04-27 | 2023-04-27 | Unhooking device for crane or tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219792174U true CN219792174U (en) | 2023-10-03 |
Family
ID=88175801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321018301.8U Active CN219792174U (en) | 2023-04-27 | 2023-04-27 | Unhooking device for crane or tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219792174U (en) |
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2023
- 2023-04-27 CN CN202321018301.8U patent/CN219792174U/en active Active
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