CN219771523U - Hook unhooking prevention device - Google Patents
Hook unhooking prevention device Download PDFInfo
- Publication number
- CN219771523U CN219771523U CN202321149315.3U CN202321149315U CN219771523U CN 219771523 U CN219771523 U CN 219771523U CN 202321149315 U CN202321149315 U CN 202321149315U CN 219771523 U CN219771523 U CN 219771523U
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- lifting hook
- hook body
- unhooking
- main lifting
- main
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- 230000002265 prevention Effects 0.000 title claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of lifting hooks, and particularly discloses a lifting hook unhooking prevention device which comprises a main lifting hook body and a unhooking prevention structure, wherein a cylinder is integrally formed on the end face of the main lifting hook body, a secondary lifting hook body is integrally formed on the end face of the cylinder, the unhooking prevention structure comprises a blocking block, a supporting piece, a backstop column bar and a spring, and an arc groove is formed outside the blocking block. According to the technical scheme, the rope to be lifted is lapped on the auxiliary lifting hook body along the inner side of the main lifting hook body, the auxiliary lifting hook body is used for hooking, if the auxiliary lifting hook body is separated from the rope, the main lifting hook body can still hook the unhooked rope, the lifting is greatly prevented from unhooking, the blocking block can block the backstop column strip from rotating towards the blocking block, so that the rope positioned on the main lifting hook body is prevented from falling, the rope sliding to the main lifting hook body is prevented from further separating from the main lifting hook body, and the lifting safety is greatly improved.
Description
Technical Field
The utility model relates to the technical field of lifting hooks, in particular to a lifting hook unhooking prevention device.
Background
At present, the lifting hook is the most common lifting appliance in the lifting machinery, when in use, a lifted object is hung into the lifting hook through the rigging, and the object is transported along with the lifting hook, so that safety accidents caused by sliding of the rigging from the lifting hook in the lifting process are avoided, and the lifting hook is required to be provided with an anti-unhooking device. Through retrieving disclosure number (CN 218371254U), a lifting hook unhook device is disclosed, including the coupler body, the through-hole has been seted up to the side of coupler body, the inner wall activity of through-hole has pegged graft there is the gag lever post, the slot has been seted up to the side of gag lever post, the inner wall sliding connection of slot has the conflict pole, the rear end of conflict pole with be provided with the spring between the inner wall of slot, the round hole has been seted up to the inner wall of slot, the inner wall activity of round hole has pegged graft there is the pin, the side of pin with be provided with the pressure spring between the inner wall of round hole.
In the process of realizing the utility model, the inventor finds that at least the following problems in the prior art are not solved; the device is provided with the anti-unhooking structure on the original lifting hook, but the through hole is formed in the original lifting hook, and the bearing capacity of the original lifting hook is reduced although the anti-unhooking structure is additionally arranged; the mousing-hook structure of the device is similar to the mousing-hook structure for realizing most of mousing-hook structures, the opening of the hook body is provided with the mousing-hook structure capable of being opened and closed, that is to say, only one layer of mousing-hook limiting structure can be realized, the setting of the mousing-hook limiting structure is less, when the mousing-hook structure breaks, the rope still has the condition of towing hook, and improvement is needed urgently, so that the mousing-hook device of the lifting hook is provided.
Disclosure of Invention
The utility model aims to provide a lifting hook unhooking prevention device, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the hook unhooking prevention device comprises a main hook body and a unhooking prevention structure, wherein a cylinder is integrally formed on the end face of the main hook body, and a secondary hook body is integrally formed on the end face of the cylinder;
the number of the unhooking prevention structures is two;
the unhooking prevention structure comprises a blocking block, a supporting piece, a backstop column bar and a spring, wherein the blocking block is fixed on the outer side of the auxiliary lifting hook body, the supporting piece is fixed on the inner side of the main lifting hook body, an arc groove is formed in the outer side of the blocking block, a shaft body is installed at the bottom of the backstop column bar in a penetrating mode, the shaft body is connected with the supporting piece in a rotating mode, one end of the spring is connected with the backstop column bar, and the other end of the spring is connected with the inner side of the main lifting hook body.
As a preferred implementation mode of the technical scheme of the utility model, the two ends of the back post are integrally formed with the arc heads, the arc heads at one end of the post are in contact with the arc grooves of the blocking block, and the arc grooves are in quarter arc shape.
As a preferred implementation mode of the technical scheme of the utility model, the springs and the blocking blocks are distributed on the left side and the right side of the baffle column bar.
As a preferred implementation mode of the technical scheme of the utility model, the auxiliary lifting hook body is positioned at the inner side of the main lifting hook body, and the auxiliary lifting hook body is consistent with the main lifting hook body in material and diameter.
As a preferred implementation mode of the technical scheme of the utility model, two unhooking prevention structures are arranged vertically to each other, and one unhooking prevention structure is positioned at the lowest position of the inner side of the main lifting hook body.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the technical scheme, the rope to be lifted is lapped on the auxiliary lifting hook body along the inner side of the main lifting hook body, the auxiliary lifting hook body is used for hooking, if the auxiliary lifting hook body is separated from the rope, the main lifting hook body can still hook the unhooked rope, the lifting is greatly prevented from unhooking, the blocking block can block the backstop column strip from rotating towards the blocking block, so that the rope positioned on the main lifting hook body is prevented from falling, the rope sliding to the main lifting hook body is prevented from further separating from the main lifting hook body, and the lifting safety is greatly improved.
2. According to the technical scheme, the main lifting hook body is not drilled, the original bearing performance of the main lifting hook body is well reserved, and the problem that the bearing performance is not influenced when the anti-drop structure is additionally arranged is solved.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a front view of a hook release mechanism of the present utility model;
fig. 2 is a perspective view of the unhooking prevention structure of the present utility model.
In the figure: 1. a main hook body; 2. a column; 3. an auxiliary hook body; 4. a spring; 5. a support; 6. a backstop column bar; 7. a blocking piece; 8. an arc groove; 9. a shaft body.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Embodiment 1, as shown in fig. 1-2, the present utility model provides a technical solution: the hook unhooking prevention device comprises a main hook body 1 and a unhooking prevention structure, wherein a column body 2 is integrally formed on the end surface of the main hook body 1, and a secondary hook body 3 is integrally formed on the end surface of the column body 2;
the number of the unhooking prevention structures is two;
the unhooking structure comprises a blocking block 7, a supporting piece 5, a backstop column bar 6 and a spring 4, wherein the blocking block 7 is fixed on the outer side of the auxiliary lifting hook body 3, the supporting piece 5 is fixed on the inner side of the main lifting hook body 1, an arc groove 8 is formed in the outer portion of the blocking block 7, a shaft body 9 is installed at the bottom of the backstop column bar 6 in a penetrating mode, the shaft body 9 is rotationally connected with the supporting piece 5, one end of the spring 4 is connected with the backstop column bar 6, and the other end of the spring 4 is connected with the inner side of the main lifting hook body 1.
In a specific embodiment of the present utility model, two unhook preventing structures are vertically distributed inside the main hook body 1, specifically: one support piece 5 is located main lifting hook body 1 inboard bottom, as shown in fig. 1, another support piece sets up at main lifting hook body 1 rope inlet end entrance, the arc groove 8 of blocking piece 7 and the laminating of backstop post strip 6 top contact, and can prevent to backstop post strip 6 and arc groove 8 laminating back and continue to rotate clockwise, thereby can carry out the anticreep restriction to the rope that is located main lifting hook body 1, avoid sliding to main lifting hook body 1 the rope further break away from main lifting hook body 1, the step at this hook body structure is assembled completely to the rope as follows: the lifting ropes firstly pass through the inlet of the main lifting hook body 1 and can meet the first group of unhooking structures, as the backstop column strips 6 can rotate towards one side of the spring 4, the ropes can directly pass through the backstop column strips 6 and pass through the second group of unhooking structures in the same way, then the ropes pass through the inner side of the column body 2 and enter the area of the auxiliary lifting hook body 3, the auxiliary lifting hook body 3 is hooked, if the auxiliary lifting hook body 3 is separated from the ropes, the main lifting hook body 1 can still hook the unhooked ropes, the backstop column strips 6 can be blocked from rotating towards the direction of the backstop 7, so that the ropes positioned in the main lifting hook body 1 are prevented from being limited from falling off, the ropes sliding to the main lifting hook body 1 are prevented from being further separated from the main lifting hook body 1, if the ropes are required to be taken out normally, the backstop column strips 6 can be rotated towards one side of the spring 4, then the ropes can pass through each group of unhooking structures in sequence, and finally are taken out safely from the inlet of the main lifting hook body 1.
Referring to fig. 2 in some technical schemes, the two ends of the backstop bar 6 are integrally formed with arc heads, the arc heads at one end of the backstop bar 6 are in contact with the arc grooves 8 of the blocking block 7, the arc grooves 8 of the blocking block 7 are in quarter arc shape, and when the arc grooves 8 of the blocking block 7 are in contact with the tops of the backstop bar 6, the backstop bar 6 can be prevented from continuing to rotate clockwise after being in contact with the arc grooves 8, so that the rope positioned in the main lifting hook body 1 can be prevented from falling.
In some technical solutions, referring to fig. 1, springs 4 and blocking blocks 7 are distributed on the left and right sides of the backstop bar 6.
Referring to fig. 1 in some technical schemes, the auxiliary hook body 3 is located at the inner side of the main hook body 1, the auxiliary hook body 3 is consistent with the main hook body 1 in material and diameter, the auxiliary hook body 3 is guaranteed to have certain lifting strength, and even if the auxiliary hook body 3 is separated from a rope, the main hook body 1 can still hook the unhooked rope, so that the lifting is greatly avoided.
Referring to fig. 1 in some technical schemes, two unhooking structures are perpendicular to each other, one unhooking structure is located at the lowest position of the inner side of the main hook body 1, and the unhooking security of the hook body to the rope hooking can be improved by setting the two unhooking structures.
Working principle: the lifting ropes firstly pass through the inlet of the main lifting hook body 1 and can meet the first group of unhooking structures, as the backstop column strips 6 can rotate towards one side of the spring 4, the ropes can directly pass through the backstop column strips 6 and pass through the second group of unhooking structures in the same way, then the ropes enter the area of the auxiliary lifting hook body 3 through the inner side of the column body 2, the auxiliary lifting hook body 3 is used for hooking the ropes, if the auxiliary lifting hook body 3 is separated from the ropes, the main lifting hook body 1 can still hook the unhooked ropes, when the ropes are required to be taken out normally, the backstop column strips 6 can rotate towards one side of the spring 4, and then the ropes can pass through each group of unhooking structures in sequence and are finally taken out safely from the inlet of the main lifting hook body 1.
Claims (5)
1. The utility model provides a lifting hook mousing-hook device which characterized in that: the anti-unhooking device comprises a main lifting hook body (1) and an anti-unhooking structure, wherein a column body (2) is integrally formed on the end face of the main lifting hook body (1), and a secondary lifting hook body (3) is integrally formed on the end face of the column body (2);
the number of the unhooking prevention structures is two;
the anti-unhooking structure comprises a blocking block (7), a supporting piece (5), a backstop column bar (6) and a spring (4), wherein the blocking block (7) is fixed on the outer side of the auxiliary lifting hook body (3), the supporting piece (5) is fixed on the inner side of the main lifting hook body (1), an arc groove (8) is formed in the outer portion of the blocking block (7), a shaft body (9) is installed at the bottom of the backstop column bar (6) in a penetrating mode, the shaft body (9) is rotationally connected with the supporting piece (5), one end of the spring (4) is connected with the backstop column bar (6), and the other end of the spring (4) is connected with the inner side of the main lifting hook body (1).
2. The hook release mechanism of claim 1, wherein: the arc heads are integrally formed at two ends of the back post strip (6), the arc heads at one end of the post strip (6) are in fit contact with the arc grooves (8) of the blocking blocks (7), and the arc grooves (8) are in a quarter arc shape.
3. The hook release mechanism of claim 1, wherein: the springs (4) and the blocking blocks (7) are distributed on the left side and the right side of the baffle column strips (6).
4. The hook release mechanism of claim 1, wherein: the auxiliary lifting hook body (3) is positioned at the inner side of the main lifting hook body (1), and the auxiliary lifting hook body (3) is consistent with the main lifting hook body (1) in material and diameter.
5. The hook release mechanism of claim 1, wherein: the two unhooking prevention structures are mutually perpendicular, and one unhooking prevention structure is positioned at the lowest position of the inner side of the main lifting hook body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321149315.3U CN219771523U (en) | 2023-05-12 | 2023-05-12 | Hook unhooking prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321149315.3U CN219771523U (en) | 2023-05-12 | 2023-05-12 | Hook unhooking prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219771523U true CN219771523U (en) | 2023-09-29 |
Family
ID=88108363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321149315.3U Active CN219771523U (en) | 2023-05-12 | 2023-05-12 | Hook unhooking prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219771523U (en) |
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2023
- 2023-05-12 CN CN202321149315.3U patent/CN219771523U/en active Active
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