CN215160289U - Unhooking-proof lifting hook device - Google Patents
Unhooking-proof lifting hook device Download PDFInfo
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- CN215160289U CN215160289U CN202022895526.4U CN202022895526U CN215160289U CN 215160289 U CN215160289 U CN 215160289U CN 202022895526 U CN202022895526 U CN 202022895526U CN 215160289 U CN215160289 U CN 215160289U
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- limiting
- lifting hook
- limiting plate
- plate
- unhooking
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Abstract
The utility model relates to an unhook-preventing's hook assembly, including lifting hook body and unhook-preventing device, unhook-preventing device includes: the first limiting mechanism comprises a mounting frame, a counterweight body and a first limiting plate; the mounting frame is provided with a mounting hole, and the first limiting mechanism is rotatably connected with the lifting hook body through the mounting hole; the counterweight body and the first limiting plate are respectively connected to two ends of the mounting frame; the moment from the gravity center of the counterweight body to the central point of the mounting hole is greater than the moment from the gravity center of the first limiting plate to the central point of the mounting hole, and the moment is used for ensuring that the first limiting plate is abutted against the limiting groove at the opening position of the lifting hook body; and the second limiting mechanism comprises a second limiting plate, and the second limiting plate is rotatably connected in the limiting groove and is used for being abutted to the first limiting plate. Through above-mentioned setting, can solve among the prior art anticreep device and warp easily or the problem that the inefficacy leads to the barrier propterty to reduce.
Description
Technical Field
The utility model relates to a lifting hook technical field, concretely relates to mousing-hook's lifting hook device.
Background
At present, hook assembly's anticreep device is mostly formed by spring and limiting plate preparation, and under the normal condition, under spring tension effect, limiting plate tightly leaned on the lifting hook inside wall, formed a relative confined cavity with the lifting hook, prevented to play hoist such as lifting rope, chain and deviate from in the lifting hook, avoids the emergence of handling accident. But in the actual production process, spring inefficacy often can appear, and the limiting plate warp, and the limiting plate can not be fine hugs closely with the lifting hook inner wall, makes it lose due barrier propterty, buries hidden danger for the handling operation.
Therefore, the anti-drop device in the prior art needs to be improved, and potential safety hazards are avoided.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, an object of the present invention is to provide a hook assembly of an anti-drop hook, which solves the problem that the anti-drop device is easy to deform or lose efficacy to reduce the protection performance in the prior art.
In order to realize one of the above objects of the present invention, an embodiment of the present invention provides an anti-unhooking hook device, including a hook body and an anti-unhooking device, the anti-unhooking device includes:
the first limiting mechanism comprises a mounting frame, a counterweight body and a first limiting plate;
the mounting frame is provided with a mounting hole, and the first limiting mechanism is rotatably connected with the lifting hook body through the mounting hole;
the counterweight body and the first limiting plate are respectively connected to two ends of the mounting frame;
the moment from the gravity center of the counterweight body to the central point of the mounting hole is greater than the moment from the gravity center of the first limiting plate to the central point of the mounting hole, and the moment is used for ensuring that the first limiting plate is abutted against the limiting groove at the opening position of the lifting hook body;
and the second limiting mechanism comprises a second limiting plate, and the second limiting plate is rotatably connected in the limiting groove and is used for being abutted to the first limiting plate.
As a further improvement of an embodiment of the present invention, the second limiting mechanism further includes an operating lever, the top end of the operating lever is rotatably connected to the second limiting plate, and the bottom end of the operating lever is located outside the hook body.
As an embodiment of the present invention, the mounting rack is a U-shaped structure, the U-shaped structure includes two legs parallel to each other, the counterweight body includes two hemispheres relatively disposed, and the two hemispheres relatively disposed are respectively connected to the two leg ends of the U-shaped structure.
As an embodiment of the utility model provides a further improvement, set up two symmetric distribution's mounting hole on the mounting bracket, first stop gear passes through the mounting hole connect in on the lifting hook body.
As an improvement of an embodiment of the present invention, the first limiting mechanism further includes a first torsion spring, and is disposed at the mounting hole position, for providing elastic potential energy to the first limiting plate.
As an improvement of an embodiment of the present invention, the second limiting mechanism further includes a second torsion spring, the two ends of the second torsion spring are respectively disposed on the second limiting plate and the connecting position of the limiting groove, for doing so the second limiting plate is relative to the limiting groove to make reciprocating motion to provide elastic potential energy.
As an embodiment of the present invention, the first limiting plate is an iron plate, and the second limiting plate is a permanent magnet plate.
As a further improvement of an embodiment of the present invention, the hook device further includes a top plate, the top end of the hook body vertically passes through the top plate, just the top end of the hook body is fixedly provided with an expansion head, and the expansion head is higher than the upper surface of the top plate.
As a further improvement of an embodiment of the present invention, the hook device further includes a lifting ring, and the lifting ring is fixedly connected to the top plate.
As an embodiment of the utility model provides a further improvement, hook assembly still includes weighing device, locates the inflation head with the roof is between the two for acquire the weight information of hoist and mount thing.
Compared with the prior art, the beneficial effects of the utility model reside in that: the balance weight body is arranged in the unhooking prevention device, and the lever principle is utilized to ensure that the force arm of the balance weight body is larger than that of the first limiting plate, so that the first limiting plate reliably abuts against the opening position of the lifting hook body, and unhooking is prevented; meanwhile, a second limiting plate is arranged to abut against the first limiting plate, so that the limiting effect is further ensured; first limiting plate and second limiting plate cooperate with each other, carry on spacingly to the hoist in the lifting hook, can greatly promote hook assembly's whole barrier propterty.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural view of a hook device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mounting frame in an embodiment of the present invention.
Wherein the reference numbers referred to in the figures are as follows:
the lifting hook comprises a lifting hook body 1, an expansion head 12, a first limiting mechanism 21, a mounting frame 212, a mounting hole 2120, a counterweight body 213, a first limiting plate 211, a second limiting mechanism 22, a second limiting plate 222, a control rod 223, a top plate 31, a lifting ring 32 and a weighing device 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solutions of the present invention. It is to be understood that the described embodiments are merely exemplary of some, and not necessarily all, embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 2, an embodiment of the present invention provides an anti-unhooking hook device, including a hook body 1 and an anti-unhooking device, the anti-unhooking device includes:
the first limiting mechanism 21 comprises a mounting frame 212, a counterweight body 213 and a first limiting plate 211;
the mounting frame 212 is provided with a mounting hole 2120, and the first limiting mechanism 21 is rotatably connected with the hook body 1 through the mounting hole 2120;
the counterweight body 213 and the first limiting plate 211 are respectively connected to two ends of the mounting frame 212;
the moment from the gravity center of the counterweight body 213 to the central point of the mounting hole 2120 is greater than the moment from the gravity center of the first limiting plate 211 to the central point of the mounting hole 2120, and is used for ensuring that the first limiting plate 211 abuts against the limiting groove at the opening position of the hook body 1;
and the second limiting mechanism 22 comprises a second limiting plate 222, and the second limiting plate 222 is rotatably connected in the limiting groove and used for abutting against the first limiting plate 211.
Specifically, the counterweight body 213 is arranged in the unhooking prevention device, and the lever principle is utilized to ensure that the force arm of the counterweight body 213 is larger than that of the first limiting plate 211, so that the first limiting plate 211 is reliably abutted against the opening position of the lifting hook body 1, and unhooking is prevented; meanwhile, the second limit plate 222 is arranged to abut against the first limit plate 211, so that the limit effect is further ensured; first limiting plate 211 and second limiting plate 222 cooperate with each other to limit the lifting appliance in the lifting hook, so that the overall protection performance of the lifting hook device can be greatly improved.
In practical use, the counterweight body 213 may be a metal ball or other heavy component, and the lever principle is utilized to ensure that the gravity force arm at the central point of the mounting hole 2120 is greater than the force arm of the first limiting plate 211, thereby playing a role in automatically limiting and blocking the spreader.
Further, the second limiting mechanism 22 further includes an operating rod 223, the top end of the operating rod 223 is rotatably connected to the second limiting plate 222, and the bottom end is located outside the hook body 1.
Thus, the worker can conveniently open and close the second limiting plate 222 through the lever 223.
Further, the mounting frame 212 is a U-shaped structure, the U-shaped structure includes two legs disposed in parallel, the counterweight body 213 includes two hemispheres disposed in opposite directions, and the two hemispheres disposed in opposite directions are respectively connected to end portions of the two legs of the U-shaped structure.
Thus, the overall stress balance and stability of the mounting frame 212 can be ensured.
Further, two mounting holes 2120 are formed in the mounting frame 212, and the first limiting mechanism 21 is connected to the hook body 1 through the mounting holes 2120.
Therefore, the mounting frame 212 is symmetrically mounted, and the whole structure stability and the stress balance are guaranteed.
Further, the first limiting mechanism 21 further includes a first torsion spring disposed at the position of the mounting hole 2120 for providing elastic potential energy for the first limiting plate 211.
Further, the second limiting mechanism 22 further includes a second torsion spring, and two ends of the second torsion spring are respectively disposed at the connecting position of the second limiting plate 222 and the limiting groove, and are used for providing elastic potential energy for the second limiting plate 222 to reciprocate relative to the limiting groove.
For strengthening spacing effect, increase first torsional spring, second torsional spring, provide elastic potential energy for two limiting plates respectively, promote the spacing effect of two limiting plates, guarantee unhooking prevention device's whole barrier propterty.
Further, the first limiting plate 211 is an iron plate, and the second limiting plate 222 is a permanent magnet plate.
In actual use, the attraction force between the iron plate and the permanent magnet plate is stronger than the common abutting action force, and the limiting effect of the second limiting plate 222 can be further improved.
Further, hook assembly still includes roof 31, and the top of lifting hook body 1 is vertical to be passed roof 31, and the fixed expansion head 12 that is provided with in top of lifting hook body 1, and expansion head 12 is higher than the upper surface of roof 31.
Thus, the personnel can conveniently take the whole hook device through the top plate 31 to prevent slipping.
Further, the hook device further comprises a lifting ring 32, and the lifting ring 32 is fixedly connected to the top plate 31.
Therefore, the integral lifting hook device can be lifted or hoisted through the lifting ring 32, so that the use is convenient.
Further, the lifting hook device further comprises a weighing device 4 which is arranged between the expansion head 12 and the top plate 31 and used for acquiring the weight information of the hoisted objects.
So, weighing device 4 can acquire the weight information of hoist and mount thing, makes things convenient for the staff to monitor and load and unload the operation for hook assembly convenient to use.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the feasible embodiments of the present invention, and is not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an unhook-preventing lifting hook device, includes lifting hook body and unhook-preventing device, its characterized in that, unhook-preventing device includes:
the first limiting mechanism comprises a mounting frame, a counterweight body and a first limiting plate;
the mounting frame is provided with a mounting hole, and the first limiting mechanism is rotatably connected with the lifting hook body through the mounting hole;
the counterweight body and the first limiting plate are respectively connected to two ends of the mounting frame;
the moment from the gravity center of the counterweight body to the central point of the mounting hole is greater than the moment from the gravity center of the first limiting plate to the central point of the mounting hole, and the moment is used for ensuring that the first limiting plate is abutted against the limiting groove at the opening position of the lifting hook body;
and the second limiting mechanism comprises a second limiting plate, and the second limiting plate is rotatably connected in the limiting groove and is used for being abutted to the first limiting plate.
2. The unhooking-prevention lifting hook device according to claim 1, wherein the second limiting mechanism further comprises an operating rod, the top end of the operating rod is rotatably connected to the second limiting plate, and the bottom end of the operating rod is located on the outer side of the lifting hook body.
3. A hook assembly as claimed in claim 1 or 2, wherein the mounting bracket is of a U-shaped configuration including two legs arranged in parallel, and the counterweight includes two opposing hemispheres connected to respective ends of the two legs of the U-shaped configuration.
4. The unhooking-prevention lifting hook device according to claim 3, wherein the mounting frame is provided with two symmetrically distributed mounting holes, and the first limiting mechanism is connected to the lifting hook body through the mounting holes.
5. The unhooking-prevention lifting hook device according to claim 4, wherein the first limiting mechanism further comprises a first torsion spring, and the first torsion spring is arranged at the mounting hole and used for providing elastic potential energy for the first limiting plate.
6. The unhooking-prevention lifting hook device according to claim 5, wherein the second limiting mechanism further comprises a second torsion spring, and two ends of the second torsion spring are respectively arranged at the connecting position of the second limiting plate and the limiting groove and used for providing elastic potential energy for the second limiting plate to reciprocate relative to the limiting groove.
7. The mousing hook assembly as claimed in claim 6, wherein the first limit plate is an iron plate and the second limit plate is a permanent magnet plate.
8. The unhooking-prevention lifting hook device according to claim 1, further comprising a top plate, wherein the top end of the lifting hook body vertically penetrates through the top plate, and an expansion head is fixedly arranged at the top end of the lifting hook body and is higher than the upper surface of the top plate.
9. The mousing hook assembly of claim 8, further comprising a bail fixedly attached to the top plate.
10. The unhooking-prevention lifting hook device according to claim 8, further comprising a weighing device arranged between the expansion head and the top plate and used for acquiring weight information of hoisted objects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022895526.4U CN215160289U (en) | 2020-12-04 | 2020-12-04 | Unhooking-proof lifting hook device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022895526.4U CN215160289U (en) | 2020-12-04 | 2020-12-04 | Unhooking-proof lifting hook device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215160289U true CN215160289U (en) | 2021-12-14 |
Family
ID=79377954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022895526.4U Active CN215160289U (en) | 2020-12-04 | 2020-12-04 | Unhooking-proof lifting hook device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215160289U (en) |
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2020
- 2020-12-04 CN CN202022895526.4U patent/CN215160289U/en active Active
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