CN215364499U - Crane hook device with automatic opening and closing function - Google Patents
Crane hook device with automatic opening and closing function Download PDFInfo
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- CN215364499U CN215364499U CN202121110262.5U CN202121110262U CN215364499U CN 215364499 U CN215364499 U CN 215364499U CN 202121110262 U CN202121110262 U CN 202121110262U CN 215364499 U CN215364499 U CN 215364499U
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- hook body
- lifting hook
- lifting
- automatic opening
- closing function
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Abstract
The utility model belongs to the technical field of crane hooks, and particularly relates to a crane hook device with an automatic opening and closing function, which comprises a case which is arranged in a hollow structure, wherein the inner side wall of the left end surface and the inner side wall of the right end surface of the case are both fixedly provided with a first motor, the tail end of a main shaft of the first motor is fixedly provided with a screw rod, and the outer side of the screw rod is spirally connected with a slide block; during the use, be in the same place quick-witted case and hoist fixed mounting, later the staff hangs the article that need hoist and mount on the lifting hook body with the lifting rope, the davit that staff operated the hoist this moment rises, the weight of article can push down the clamp plate, and then the clamp plate can extrude the spring, make the clamp plate in the inside of lifting hook body, and because of the setting of baffle, make the lifting rope can not drop from the lifting hook body, when placing the article of hoist and mount subaerial, article disappear for the decurrent power of clamp plate, make the lifting rope not in the inside of lifting hook body, the follow-up staff of being convenient for takes off the lifting rope from the lifting hook body.
Description
Technical Field
The utility model belongs to the technical field of crane hooks, and particularly relates to a crane hook device with an automatic opening and closing function.
Background
A hook is one of the most common spreaders in hoisting machinery. The hook is often suspended from the wire rope of the hoisting mechanism by means of a pulley block or the like.
The prior art has the following problems: the existing crane hook has no automatic opening and closing function, namely the lifting rope cannot be locked, and the lifting rope is easy to fall off from the lifting hook; and the existing lifting hook is inconvenient for workers to replace the lifting hook.
In order to solve the above problems, the present application provides a crane hook device with an automatic opening and closing function.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a crane hook device with an automatic opening and closing function, which has the characteristics of automatic opening and closing function, prevention of falling of a lifting rope from a lifting hook and convenience for workers to replace the lifting hook.
In order to achieve the purpose, the utility model provides the following technical scheme: a crane hook device with an automatic opening and closing function comprises a case which is arranged in a hollow structure, wherein a first motor is fixedly arranged on the inner side wall of the left end face and the inner side wall of the right end face of the case, a screw rod is fixedly arranged at the tail end of a main shaft of the first motor, a slider is spirally connected to the outer side of the screw rod and penetrates through the slider, the slider is in sliding connection with the case, sleeves are fixedly arranged on the adjacent end faces of the two sliders, a through hole is formed in the central position of the bottom end face of the case, a connecting column is arranged in the through hole of the case, a through groove is formed in the upper portion of the left end face of the connecting column, the sleeves are matched with the connecting column for use, the sleeves are in sliding connection with the connecting column, a hook body which is arranged in the hollow structure is fixedly arranged on the bottom end face of the connecting column, and a spring is fixedly arranged at the bottom of the inner side wall of the hook body, the other end of the spring is fixedly provided with a pressing plate, the pressing plate is connected with the lifting hook body in a sliding mode, the inner concave surface of the lifting hook body is provided with a groove, two sides of the top end face of the pressing plate are fixedly provided with baffles, the baffles penetrate through the groove of the lifting hook body and extend to the outside, and the baffles are connected with the lifting hook body in a sliding mode.
Preferably, in the crane hook device with an automatic opening and closing function according to the present invention, the sleeve is provided in a square structure.
Preferably, the end surfaces of the two adjacent screw rods are tangent to the surface of the through hole at the bottom end surface of the case.
Preferably, the number of the springs is four, and the four springs are symmetrically distributed on the bottom of the inner side wall of the hook body.
Preferably, in the crane hook device with an automatic opening and closing function according to the present invention, the cross-sectional area of the pressure plate is larger than the area of the concave groove in the hook body.
Preferably, in the crane hook apparatus with an automatic opening and closing function according to the present invention, a rubber pad is fixed to a central position of a top end surface of the pressure plate.
Preferably, as the crane hook device with the automatic opening and closing function, the pressure plate is arranged in an arc structure.
Compared with the prior art, the utility model has the beneficial effects that: when the lifting hook is used, the case and the crane are fixedly installed together, then an operator hangs an article to be lifted on the lifting hook body by using the lifting rope, the lifting arm of the crane is operated by the operator to lift up, the weight of the article presses the pressing plate downwards, the pressing plate extrudes the spring, the pressing plate is arranged in the lifting hook body, the lifting rope cannot fall off from the lifting hook body due to the arrangement of the baffle, when the lifted article is placed on the ground, the downward force of the article on the pressing plate disappears, so that the lifting rope is not in the lifting hook body, the subsequent operator can conveniently take the lifting rope off from the lifting hook body, the operation of automatic opening and closing function is realized, the lifting rope is prevented from falling off from the lifting hook body, when the lifting hook body is replaced, the first motor needs to be electrified, the main shaft of the first motor drives the screw rod to rotate, and further drives the sliding block to do linear motion on the screw rod, the sleeve and the connecting column are not matched, so that the connecting column can be taken out from the case, and the operation of replacing the hook body conveniently is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front cross-sectional structural view of the present invention;
FIG. 3 is a schematic diagram of the internal structure of the case according to the present invention;
FIG. 4 is a schematic view of the installation structure of the pressing plate, the baffle plate and the rubber pad in the present invention;
in the figure: 1. a chassis; 2. a first motor; 3. a screw; 4. a slider; 5. a sleeve; 6. connecting columns; 7. a hook body; 8. a spring; 9. pressing a plate; 10. a baffle plate; 11. a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: a crane hook device with an automatic opening and closing function comprises a case 1 which is arranged in a hollow structure, wherein a first motor 2 is fixedly arranged on the inner side wall of the left end face and the inner side wall of the right end face of the case 1, a screw rod 3 is fixedly arranged at the tail end of a main shaft of the first motor 2, a slider 4 is spirally connected to the outer side of the screw rod 3, the screw rod 3 penetrates through the slider 4, the slider 4 is in sliding connection with the case 1, sleeves 5 are fixedly arranged on the adjacent end faces of the two sliders 4, a through hole is formed in the central position of the bottom end face of the case 1, a connecting column 6 is arranged in the through hole of the case 1, a through groove is formed in the upper part of the left end face of the connecting column 6, the sleeves 5 are matched with the connecting column 6 for use, the sleeves 5 are in sliding connection with the connecting column 6, a hook body 7 which is arranged in the hollow structure is fixedly arranged on the bottom of the inner side wall of the hook body 7, and a pressing plate 9 is fixedly arranged at the other end of the spring 8, pressing plate 9 and lifting hook body 7 sliding connection, the interior concave surface of lifting hook body 7 is seted up slottedly, and pressing plate 9's top face both sides are all fixed and are equipped with baffle 10, and baffle 10 runs through lifting hook body 7's groove and extends to the outside, baffle 10 and lifting hook body 7 sliding connection.
In this embodiment: when the lifting hook is used, the case 1 and the crane are fixedly installed together, then an operator hangs an article to be lifted on the lifting hook body 7 by using a lifting rope, the lifting arm of the crane operated by the operator is lifted, the weight of the article presses the pressing plate 9 downwards, the pressing plate 9 extrudes the spring 8, the pressing plate 9 is arranged in the lifting hook body 7, the lifting rope cannot fall off from the lifting hook body 7 due to the arrangement of the baffle plate 10, when the lifted article is placed on the ground, the downward force of the article on the pressing plate 9 disappears, so that the lifting rope is not arranged in the lifting hook body 7, the subsequent operator can conveniently take the lifting rope off from the lifting hook body 7, the operation of the automatic opening and closing function is realized, the lifting rope is prevented from falling off the lifting hook body 7, when the lifting hook body 7 is replaced, the first motor 2 needs to be electrified at the moment, and the main shaft of the first motor 2 drives the screw rod 3 to rotate, and then drive slider 4 and do linear motion on screw rod 3, make sleeve 5 and spliced pole 6 not in the cooperation, can take out spliced pole 6 from quick-witted case 1, realized the operation of being convenient for change lifting hook body 7.
Further, the sleeve 5 is arranged in a square structure.
Furthermore, the adjacent end surfaces of the two screws 3 are tangent to the surface of the through hole on the bottom end surface of the case 1.
Further, the number of the springs 8 is four, and the four springs 8 are symmetrically distributed on the bottom of the inner side wall of the hook body 7, for explanation.
Further, the cross-sectional area of the pressing plate 9 is larger than the area of the concave groove in the hook body 7, and this arrangement prevents the pressing plate 9 from coming off the hook body 7.
Furthermore, a rubber pad 11 is fixedly arranged at the center of the top end face of the pressing plate 9, and the arrangement increases the friction force between the lifting rope and the pressing plate 9.
Further, the pressing plate 9 is arranged in an arc structure.
The working principle and the using process of the utility model are as follows: when the device is used, the case 1 and the crane are fixedly installed together, then a worker hangs an article to be hoisted on the hook body 7 by using a lifting rope, the lifting arm of the crane is lifted by the worker, the weight of the article presses the pressing plate 9 downwards, the pressing plate 9 extrudes the spring 8, the pressing plate 9 is arranged in the hook body 7, the lifting rope cannot fall off the hook body 7 due to the arrangement of the baffle plate 10, when the hoisted article is placed on the ground, the downward force of the article on the pressing plate 9 disappears, the lifting rope is not arranged in the hook body 7, the subsequent worker can conveniently take the lifting rope off the hook body 7, the operation of automatic opening and closing functions is realized, the lifting rope is prevented from falling off the hook body 7, when the hook body 7 is replaced, the first motor 2 needs to be electrified, the main shaft of the first motor 2 drives the screw rod 3 to rotate, and then drives the sliding block 4 to do linear motion on the screw rod 3, so that the sleeve 5 and the connecting column 6 are not matched, the connecting column 6 can be taken out of the case 1, and the operation of replacing the hook body 7 conveniently is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a crane hook device with automatic switching function which characterized in that: the machine comprises a machine case (1) which is arranged in a hollow structure, wherein a first motor (2) is fixedly arranged on the inner side wall of the left end face and the inner side wall of the right end face of the machine case (1), a screw rod (3) is fixedly arranged at the tail end of a main shaft of the first motor (2), a sliding block (4) is spirally connected to the outer side of the screw rod (3), the screw rod (3) penetrates through the sliding block (4), the sliding block (4) is in sliding connection with the machine case (1), sleeves (5) are fixedly arranged on the adjacent end faces of the two sliding blocks (4), a through hole is formed in the central position of the bottom end face of the machine case (1), a connecting column (6) is arranged in the through hole of the machine case (1), a through groove is formed in the upper part of the left end face of the connecting column (6), the sleeves (5) are matched with the connecting column (6) for use, and the sleeves (5) are in sliding connection with the connecting column (6), the fixed lifting hook body (7) that are hollow structure setting that is equipped with of bottom face of spliced pole (6), the fixed spring (8) that is equipped with in inside wall bottom of lifting hook body (7), the other end of spring (8) is fixed and is equipped with clamp plate (9), clamp plate (9) with lifting hook body (7) sliding connection, the interior concave surface of lifting hook body (7) is seted up slottedly, the top face both sides of clamp plate (9) are all fixed and are equipped with baffle (10), baffle (10) run through the groove of lifting hook body (7) and extend to the outside, baffle (10) with lifting hook body (7) sliding connection.
2. A crane hook device having an automatic opening/closing function according to claim 1, wherein: the sleeve (5) is arranged in a square structure.
3. A crane hook device having an automatic opening/closing function according to claim 1, wherein: the adjacent end surfaces of the two screw rods (3) are tangent to the surface of the through hole at the bottom end surface of the case (1).
4. A crane hook device having an automatic opening/closing function according to claim 1, wherein: the number of the springs (8) is four, and the springs (8) are symmetrically distributed on the bottom of the inner side wall of the lifting hook body (7).
5. A crane hook device having an automatic opening/closing function according to claim 1, wherein: the cross section area of the pressure plate (9) is larger than the area of the concave groove in the hook body (7).
6. A crane hook device having an automatic opening/closing function according to claim 1, wherein: and a rubber pad (11) is fixedly arranged at the central position of the top end surface of the pressing plate (9).
7. A crane hook device having an automatic opening/closing function according to claim 1, wherein: the pressing plate (9) is arranged in an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121110262.5U CN215364499U (en) | 2021-05-21 | 2021-05-21 | Crane hook device with automatic opening and closing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121110262.5U CN215364499U (en) | 2021-05-21 | 2021-05-21 | Crane hook device with automatic opening and closing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215364499U true CN215364499U (en) | 2021-12-31 |
Family
ID=79631240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121110262.5U Active CN215364499U (en) | 2021-05-21 | 2021-05-21 | Crane hook device with automatic opening and closing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215364499U (en) |
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2021
- 2021-05-21 CN CN202121110262.5U patent/CN215364499U/en active Active
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