CN220549934U - Auxiliary device for chain block - Google Patents
Auxiliary device for chain block Download PDFInfo
- Publication number
- CN220549934U CN220549934U CN202321861706.8U CN202321861706U CN220549934U CN 220549934 U CN220549934 U CN 220549934U CN 202321861706 U CN202321861706 U CN 202321861706U CN 220549934 U CN220549934 U CN 220549934U
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- wedge
- fixedly connected
- chain block
- spring
- auxiliary device
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- 238000009434 installation Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001739 rebound effect Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
Abstract
The utility model provides an auxiliary device for a chain block, and belongs to the technical field of chain blocks. The auxiliary device for the chain block comprises a chain block body, wherein a lifting hook is arranged on the chain block body; the anti-slip mechanism comprises a placing seat, a first wedge block, two second wedge blocks and two limiting plates, wherein the placing seat is fixedly connected to the upper part of the lifting hook; the top of the first wedge-shaped block is fixedly connected with the placement seat; the inclined planes of the two second wedge-shaped blocks are in sliding connection with the inclined planes of the first wedge-shaped blocks; the two limiting plates are connected with the lifting hooks in a rotating mode, the two limiting plates are respectively contacted with the two second wedge blocks, the rope is placed on the placing seat, the placing seat presses down the first wedge blocks under the gravity of a heavy object, the first wedge blocks enable the two second wedge blocks to move outwards, the two limiting plates are respectively rotated in the opposite directions through the two second wedge blocks, the two limiting plates are closed, the rope is effectively prevented from falling off, and potential safety hazards are reduced.
Description
Technical Field
The utility model relates to the technical field of chain blocks, in particular to an auxiliary device for a chain block.
Background
The hand hoist is a simple and easy-to-use and portable hand hoisting machine, is suitable for being used as an installation machine, a hoisting cargo and a loading and unloading vehicle in factories, mines, construction sites, agricultural production, wharfs, shipyards, warehouses and the like, has more important functions especially for open air and powerless operation, can be matched with various hand monorail travelling cranes to form a hand hoisting transportation trolley, and is suitable for monorail overhead transportation, and a hand single-beam bridge crane and a cantilever crane.
The chain block is characterized in that a hook is hooked on a rope of a heavy object, a hand chain is manually pulled, a hand chain wheel rotates, a friction plate ratchet wheel and a brake seat are pressed into a whole to rotate together, a tooth long shaft rotates a plate second wedge block, a tooth short shaft and a spline hole second wedge block, so that a lifting chain wheel arranged on the spline hole second wedge block drives the lifting chain, the heavy object is stably lifted, but the rope is easy to move in the hook due to inertia in the process of moving a hooked object, the operation is improper and easy to fall off, and potential safety hazards exist, so that the chain block auxiliary device is provided for solving the problems.
Disclosure of Invention
In order to overcome the above disadvantages, the present utility model provides an auxiliary device for a chain block, which overcomes the above technical problems or at least partially solves the above problems.
The utility model provides an auxiliary device of a chain block, which comprises
The chain block comprises a chain block body, wherein a lifting hook is arranged on the chain block body;
the anti-slip mechanism is arranged on the lifting hook and comprises
The placing seat is fixedly connected to the upper part of the lifting hook;
the top of the first wedge block is fixedly connected with the placing seat;
the inclined surfaces of the second wedge blocks are in sliding connection with the inclined surfaces of the first wedge blocks, two second wedge blocks are arranged, and the two second wedge blocks are symmetrically arranged left and right;
limiting plates are arranged, two limiting plates are connected with the lifting hooks in a rotating mode, and the two limiting plates are respectively contacted with the two second wedge-shaped blocks.
In a preferred scheme, the lifting hook is provided with a mounting groove, a rotating shaft is fixedly connected between the inner walls of the mounting groove, and the rotating shaft is rotationally connected with the limiting plate.
In a preferred scheme, a first chute is formed in the lifting hook, and the inner wall of the first chute is in sliding connection with the first wedge-shaped block.
In a preferred scheme, the second chute is arranged in the lifting hook, the inner wall of the second chute is in sliding connection with the second wedge-shaped block, and the second chute is communicated with the first chute and the mounting groove.
In a preferred scheme, the lifting hook is further provided with a reset mechanism, the reset mechanism comprises a first spring, and one end of the first spring is fixedly connected to the bottom of the inner wall of the first sliding groove.
In a preferred scheme, the other end fixedly connected with fixed plate of first spring, the fixed plate sets up the bottom at the second wedge, the top fixedly connected with connecting rod of fixed plate, the top of connecting rod and the bottom fixed connection of first wedge.
In a preferred scheme, the inner wall of the second chute is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with a second wedge block.
In a preferred scheme, the inner wall of the mounting groove is fixedly connected with a third spring, and the other end of the third spring is fixedly connected with the limiting plate.
The utility model provides an auxiliary device for a chain block, which has the beneficial effects that:
1. through placing the rope on the heavy object on placing the seat, when lifting by crane, under the gravity of heavy object, place the seat and push down first wedge, first wedge makes two second wedge outside removal, and two limiting plates are pushed to two second wedges, and two limiting plates rotate anticlockwise and clockwise respectively, until two limiting plates contact and close, effectively prevent the problem that the rope drops at lifting by crane in-process, reduced the potential safety hazard.
2. Through setting up canceling release mechanical system, after lifting by crane the object position with the heavy object, gravity disappears, first spring, second spring and third spring reset, under the resilience effect, first spring promotes the fixed plate and rises, the fixed plate promotes the connecting rod and rises, the connecting rod promotes first wedge and rises to under the resilience force of second spring, two second wedges reset, the second wedge is not promoting the limiting plate simultaneously, under the resilience force of third spring, make the limiting plate reset, have automatic reset function, need not the manual work and reset anti-slipping mechanism, intensity of labour has been reduced.
Drawings
For a clearer description of 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 examples 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 a person skilled in the art;
FIG. 1 is a perspective view of an overall structure provided by an embodiment of the present utility model;
fig. 2 is a schematic view of a hook structure according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional perspective view of a portion of a hook according to an embodiment of the present utility model;
in the figure: 1. a chain block body; 2. an anti-slip mechanism; 201. a placement seat; 202. a first wedge block; 203. a second wedge block; 204. a limiting plate; 205. a mounting groove; 206. a first chute; 207. a second chute; 208. a rotating shaft; 3. a lifting hook; 4. a reset mechanism; 401. a first spring; 402. a fixing plate; 403. a connecting rod; 404. a second spring; 405. and a third spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the auxiliary device of the chain block comprises a chain block body 1, wherein a lifting hook 3 is arranged on the chain block body 1; the anti-slip mechanism 2 is arranged on the lifting hook 3, the anti-slip mechanism 2 comprises a placing seat 201, a first wedge block 202, a second wedge block 203 and a limiting plate 204, and the placing seat 201 is fixedly connected to the upper part of the lifting hook 3; the first wedge block 202 is in sliding connection with the lifting hook 3, and the top of the first wedge block 202 is fixedly connected with the placing seat 201; the inclined surfaces of the second wedge blocks 203 are in sliding connection with the inclined surfaces of the first wedge blocks 202, two second wedge blocks 203 are arranged, and the two second wedge blocks 203 are arranged in bilateral symmetry; the two limiting plates 204 are arranged, the two limiting plates 204 are rotationally connected with the lifting hook 3, the two limiting plates 204 are respectively contacted with the two second wedge blocks 203, the lifting hook 3 is provided with the mounting groove 205, a rotating shaft 208 is fixedly connected between the inner walls of the mounting groove 205, the rotating shaft 208 is rotationally connected with the limiting plates 204, the lifting hook 3 is provided with the first sliding groove 206, the inner wall of the first sliding groove 206 is slidingly connected with the first wedge blocks 202, the second sliding groove 207 is arranged in the lifting hook 3, the inner wall of the second sliding groove 207 is slidingly connected with the second wedge blocks 203, the second sliding groove 207 is communicated with the first sliding groove 206 and the mounting groove 205, the first wedge blocks 202 are pressed down by the placing seat 201 when the lifting is carried out, the first wedge blocks 202 enable the two second wedge blocks 203 to move outwards, the two limiting plates 204 are pushed by the two second wedge blocks 203, and the two limiting plates 204 are respectively rotated anticlockwise and clockwise until the two limiting plates 204 are contacted and closed, so that the hidden danger of rope falls off in the lifting process is effectively prevented;
the lifting hook 3 is further provided with a reset mechanism 4, the reset mechanism 4 comprises a first spring 401, one end of the first spring 401 is fixedly connected to the bottom of the inner wall of the first sliding groove 206, the other end of the first spring 401 is fixedly connected with a fixing plate 402, the fixing plate 402 is arranged at the bottom of the second wedge-shaped block 203, the top of the fixing plate 402 is fixedly connected with a connecting rod 403, the top of the connecting rod 403 is fixedly connected with the bottom of the first wedge-shaped block 202, the inner wall of the second sliding groove 207 is fixedly connected with a second spring 404, the other end of the second spring 404 is fixedly connected with the second wedge-shaped block 203, the inner wall of the mounting groove 205 is fixedly connected with a third spring 405, the other end of the third spring 405 is fixedly connected with a limiting plate 204, by arranging the reset mechanism 4, after a heavy object is lifted to a target position, the gravity disappears, the first spring 401, the second spring 404 and the third spring 405 are reset, under the rebound effect, the first spring 401 pushes the connecting rod 403 to rise, the connecting rod 403 pushes the first wedge-shaped block 202 to rise, and under the rebound effect, the rebound force of the second spring 203 does not need to push the second wedge-shaped block 203, and the reset plate 203 to drop down at the same time, and the reset mechanism is not required to have the reset function of the reset plate 204 to be reset by the reset mechanism 2.
Specifically, the working process or working principle of the auxiliary device of the chain block is as follows: through placing the rope on the heavy object on placing seat 201, when lifting by crane, under the gravity of heavy object, place seat 201 pushes down first wedge 202, and first wedge 202 makes two second wedge 203 outside removal, and two limiting plates 204 are pushed to two second wedge 203, and two limiting plates 204 rotate anticlockwise and clockwise respectively, until two limiting plates 204 contact and close, effectively prevent the problem that the rope drops in the lifting by crane process, reduced the potential safety hazard.
Through setting up canceling release mechanical system 4, after lifting by crane the object position with the heavy object, gravity disappears, first spring 401, second spring 404 and third spring 405 reset, under the resilience effect, first spring 401 promotes fixed plate 402 and rises, fixed plate 402 promotes connecting rod 403 and rises, connecting rod 403 promotes first wedge 202 and rises, and under the resilience force of second spring 404, two second wedges 203 reset, second wedge 203 is not promoting limiting plate 204 simultaneously, under the resilience force of third spring 405, make limiting plate 204 reset, have automatic reset function, need not the manual work to reset landing gear 2, intensity of labour has been reduced.
Claims (8)
1. The auxiliary device for the chain block is characterized by comprising a chain block body (1), wherein a lifting hook (3) is arranged on the chain block body (1);
anti-slip mechanism (2), anti-slip mechanism (2) set up on lifting hook (3), anti-slip mechanism (2) include
The placing seat (201) is fixedly connected to the upper part of the lifting hook (3);
the lifting hook comprises a first wedge block (202), wherein the first wedge block (202) is in sliding connection with a lifting hook (3), and the top of the first wedge block (202) is fixedly connected with a placing seat (201);
the inclined surfaces of the second wedge blocks (203) are in sliding connection with the inclined surfaces of the first wedge blocks (202), two second wedge blocks (203) are arranged, and the two second wedge blocks (203) are symmetrically arranged left and right;
limiting plates (204), limiting plates (204) are arranged in two, two limiting plates (204) are rotationally connected with the lifting hooks (3), and two limiting plates (204) are respectively contacted with two second wedge blocks (203).
2. The chain block auxiliary device according to claim 1, wherein the lifting hook (3) is provided with a mounting groove (205), a rotating shaft (208) is fixedly connected between the inner walls of the mounting groove (205), and the rotating shaft (208) is rotationally connected with the limiting plate (204).
3. The auxiliary device for the chain block according to claim 1, wherein the lifting hook (3) is provided with a first chute (206), and the inner wall of the first chute (206) is slidably connected with the first wedge block (202).
4. A chain block auxiliary device according to claim 3, characterized in that a second chute (207) is provided in the hook (3), the inner wall of the second chute (207) is slidably connected with the second wedge block (203), and the second chute (207) is communicated with the first chute (206) and the mounting groove (205).
5. The chain block auxiliary device according to claim 4, wherein the lifting hook (3) is further provided with a reset mechanism (4), the reset mechanism (4) comprises a first spring (401), and one end of the first spring (401) is fixedly connected to the bottom of the inner wall of the first chute (206).
6. The chain block auxiliary device according to claim 5, wherein the other end of the first spring (401) is fixedly connected with a fixing plate (402), the fixing plate (402) is arranged at the bottom of the second wedge block (203), the top of the fixing plate (402) is fixedly connected with a connecting rod (403), and the top of the connecting rod (403) is fixedly connected with the bottom of the first wedge block (202).
7. The auxiliary device for the chain block according to claim 6, wherein a second spring (404) is fixedly connected to the inner wall of the second sliding groove (207), and the other end of the second spring (404) is fixedly connected to the second wedge block (203).
8. The auxiliary device for the chain block according to claim 7, wherein a third spring (405) is fixedly connected to the inner wall of the installation groove (205), and the other end of the third spring (405) is fixedly connected to the limiting plate (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321861706.8U CN220549934U (en) | 2023-07-17 | 2023-07-17 | Auxiliary device for chain block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321861706.8U CN220549934U (en) | 2023-07-17 | 2023-07-17 | Auxiliary device for chain block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220549934U true CN220549934U (en) | 2024-03-01 |
Family
ID=90007839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321861706.8U Active CN220549934U (en) | 2023-07-17 | 2023-07-17 | Auxiliary device for chain block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220549934U (en) |
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2023
- 2023-07-17 CN CN202321861706.8U patent/CN220549934U/en active Active
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