CN220334637U - Limiting device - Google Patents
Limiting device Download PDFInfo
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- CN220334637U CN220334637U CN202321398225.8U CN202321398225U CN220334637U CN 220334637 U CN220334637 U CN 220334637U CN 202321398225 U CN202321398225 U CN 202321398225U CN 220334637 U CN220334637 U CN 220334637U
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- limiting
- connecting rope
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- hole
- fixed block
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- 230000000670 limiting effect Effects 0.000 title claims abstract description 145
- 238000004804 winding Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model provides a limiting device, which is characterized in that a connecting rope is used for hoisting an article to be hoisted through the support of a hoisting frame, and the limiting device comprises: the limiting assembly comprises a fixed block and a limiting block, a first through hole is formed in the limiting block, the fixed block is fixedly arranged on the periphery of the first through hole, and the fixed block is used for fixing a connecting rope penetrating through the first through hole; the limiting plate is provided with a second through hole and is fixedly arranged on the hoisting frame, wherein the connecting rope passes through the second through hole and is connected with equipment for winding the connecting rope; the limiting assembly and the connecting rope fixed with the limiting assembly move to the position where the limiting plate is located, and the limiting plate is used for limiting the movement range of the limiting assembly. The limiting device can limit the movement of the connecting rope in a mechanical limiting mode as a safety device under the condition that the control of the winch fails, so that the further action of the winch is limited, and the production safety accident is prevented.
Description
Technical Field
The utility model relates to the technical field of lifting protection, in particular to a limiting device.
Background
In the prior art, the connecting rope is wound through the winch, wherein the control modes of the winch are generally two, namely a control mode of a travel switch and a control mode of a rotary encoder, and the winding of the connecting rope is realized through controlling the winch, however, the two control modes of the winch are very easy to fail under the condition of poor working environment, and under the condition of failure, the winch cannot stop working in time, and the connecting rope can be continuously wound, so that production safety accidents are caused.
Disclosure of Invention
In view of the above problems, an object of the present utility model is to provide a limiting device, which can stop the movement of a connecting rope by a mechanical limiting manner to further limit the movement of a winch in case of failure of control of the winch, thereby preventing occurrence of production safety accidents.
The utility model provides a limiting device for limiting the movable range of a connecting rope in reciprocating motion, wherein the connecting rope is used for hoisting an article to be hoisted through the support of a hoisting frame, and the limiting device comprises:
the limiting assembly comprises a fixed block and a limiting block, a first through hole is formed in the limiting block, the fixed block is fixedly arranged on the periphery of the first through hole, and the fixed block is used for fixing a connecting rope penetrating through the first through hole;
the limiting plate is provided with a second through hole and is fixedly arranged on the hoisting frame, wherein the connecting rope passes through the second through hole and is connected with equipment for winding the connecting rope;
the limiting assembly and the connecting rope fixed with the limiting assembly move to the position where the limiting plate is located, and the limiting plate is used for limiting the movement range of the limiting assembly.
Furthermore, it is preferable that the first through hole has an inclination angle ranging from 10 ° to 45 ° with respect to the central axis of the connection cord.
In addition, the preferred structure is that the limiting block is a wedge-shaped structural member.
In addition, it is preferable that the fixing block is curved at a position where the fixing block is connected to the connection rope.
In addition, it is preferable that a connecting rope clip fixedly connected to the connecting rope is provided on the fixing block.
In addition, preferably, when the number of the limiting plates is one, the limiting assembly comprises a fixed block and a limiting block, and the limiting block moves to the position where the limiting plates are located under the driving of the connecting rope.
In addition, the preferred structure is, when the quantity of limiting plate is two, spacing subassembly includes a fixed block and two stopper, the fixed block sets up between two stoppers, and corresponding stopper is in the connecting rope drives down the position that the corresponding limiting plate is located, and wherein, the distance between two limiting plates is connecting rope range of motion.
According to the limiting device provided by the utility model, the connecting rope passes through the limiting block of the limiting assembly, the fixed block is fixed on the connecting rope, the connecting rope passes through the limiting plate, and the limiting plate and the limiting block are matched with each other, so that when the control of the winch is invalid, the movement of the connecting rope is stopped in a mechanical limiting mode, further actions of the winch are limited, and production safety accidents are prevented.
Drawings
Other objects and results of the present utility model will become more apparent and readily appreciated by reference to the following description and claims in conjunction with the accompanying drawings and a more complete understanding of the utility model.
In the drawings:
FIG. 1 is a front view of an inventive spacing device;
FIG. 2 is a front view of the spacing assembly;
FIG. 3 is a top view of the spacing assembly;
fig. 4 is an enlarged view of a portion a in fig. 1.
Reference numerals illustrate:
1. a fixed block; 2. a limiting block; 3. a first through hole; 4. a connecting rope; 5. a limiting plate; 6. a second through hole; 7. hoisting the frame; 8. a hoist; 9. and (5) hoisting the piece.
The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a front view of an inventive spacing device; FIG. 2 is a front view of the spacing assembly; FIG. 3 is a top view of the spacing assembly; fig. 4 is an enlarged view of a portion a in fig. 1.
As shown in fig. 1-4 together, the limiting device is used for limiting the moving range of the connecting rope in reciprocating motion, and can be used for continuously lifting an article to be lifted through the support of the lifting frame, and comprises a limiting component fixed on the connecting rope 4 and a limiting plate 5 fixed on the lifting frame 7.
The limiting assembly comprises a fixed block 1 and a limiting block 2, a first through hole 3 is formed in the limiting block 2, the fixed block 1 is fixedly arranged on the periphery of the first through hole 3, and the fixed block 1 is used for fixing a connecting rope penetrating through the first through hole 3. The limiting plate 5 is provided with a second through hole 6 and is fixedly arranged on the lifting frame 7, wherein the connecting rope 4 passes through the second through hole 6 and is connected with equipment for winding the connecting rope 4. Wherein, spacing subassembly and its fixed connecting rope 4 move to the position that limiting plate 5 is located, and limiting plate 5 is used for spacing subassembly motion scope, and when stopper 2 moved the position that limiting plate 5 is located, connecting rope 4 stop the motion in limiting movable limiting plate 5 department, and then the restriction twines and even the further action of equipment that saves, prevents the emergence of production incident.
According to the limiting device, the inclination angle of the first through hole 3 is 10-45 degrees compared with the central axis of the connecting rope 4, in the embodiment, the equipment for winding the connecting rope 4 is a winch, the connecting rope 4 connected with the hoisting frame 7 by the winch 8 is obliquely arranged, and in order to enable the limiting block fixed on the connecting rope 4 to be better contacted with the limiting plate 5, the inclination angles of the first through hole 3 on the limiting block and the second through hole 6 on the limiting plate are the same as those of the connecting rope 4, so that a better limiting effect is ensured, the specific inclination angle is set according to actual conditions, and the common angle can be 20 degrees, 25 degrees, 30 degrees, 35 degrees and 40 degrees.
According to the limiting device, the limiting block 2 is a wedge-shaped structural member, and the limiting block 2 has the effects that after the braking mode of the winch is out of control, the movement of the connecting rope 4 is controlled through a physical structure, so that the phenomenon that the hoisting piece 9 is pulled excessively or the hoisting frame 7 is damaged or the winch 8 is damaged is avoided, loss is reduced, the bottom of the limiting block 2 is a plane, the bottom of the limiting block can be better contacted with the limiting plate 5, the stress area is increased, the stress of the limiting block is increased, and the limiting effect is improved.
According to the limiting device, the shape of the connecting position of the fixed block 1 and the connecting rope 4 is arc, and the arc structure can be attached to the outer wall of the connecting rope 4, so that the contact area between the fixed block 1 and the connecting rope 4 is increased, and a better connecting effect is obtained. Specifically, uneven protrusions can be arranged on the surface, abutted against the connecting rope 4, of the fixing block 1, friction resistance of the fixing block 1 and the connecting rope 4 is increased, the limiting block is fixed more firmly, the problem of sliding wire is avoided, and the braking effect is better.
According to the limiting device, the connecting rope clamp fixedly connected with the connecting rope 4 is arranged on the fixed block 1, and of course, the fixed block 1 and the connecting rope 4 can be connected in a welding or other mode, preferably, the connecting rope clamp is used for fixing, the welding can corrode the connecting rope 4, the service life of the connecting rope 4 is influenced, and safety in the use process cannot be guaranteed.
According to the limiting device, when the number of the limiting plates 5 is one, the limiting assembly comprises a fixed block 1 and a limiting block 2, and the limiting block 2 moves to the position where the limiting plates 5 are located under the driving of the connecting rope 4. The further improvement is that when the number of the limiting plates 5 is two, the limiting assembly comprises a fixed block 1 and two limiting blocks 2, the fixed block 1 is arranged between the two limiting blocks 2, the corresponding limiting blocks 2 are driven by the connecting ropes 4 to move to the positions of the corresponding limiting plates 5, and the distance between the two limiting plates 5 is the movement range of the connecting ropes. It should be noted that, the setting positions of the fixing block 1, the limiting block 2 and the limiting plate 5 are limited to the above situations, and may be set in a customized manner according to the actual situation of the operation site, which is within the protection scope of the present utility model.
In one specific embodiment of the utility model, the limiting block 2 is a wedge-shaped structural member, the length and the width of the limiting block are 78mm, the height of one end of the limiting block is 10mm, and the height of the other end of the limiting block is 22mm; the fixed block 1 is an irregular structural member, has the height of 54mm, the length of 20mm and the width of 12mm, and the diameter of an arc-shaped surface abutted with the connecting rope 4 is 48mm, so that the fixed block 1 can be better attached to the connecting rope 4, and is vertically arranged on the upper surface of the limiting block 2. The diameter of the first through hole 3 is larger than that of the connecting rope 4, the limiting block can be fixed on the connecting rope 4, the diameter of the second through hole 6 is larger than that of the connecting rope 4 and smaller than that of the limiting block, the connecting rope 4 can smoothly pass through the second through hole 6, and the limiting block can be blocked. Preferably, the connecting rope 4 is a steel wire rope, and is fixed on the inner side of the limiting block of the connecting rope 4, which is abutted against the connecting rope 4, and the connecting rope 4 can be processed into an uneven surface according to the size of the connecting rope 4, so that the friction force between the connecting rope 4 and the limiting block is increased, and the relative sliding is prevented.
When the limiting device of the winch 8 is used, the connecting rope 4 passes through the first through hole 3 on the limiting block 2 in advance, the connecting rope 4 is fixedly connected with the fixed block 1 vertically arranged on the limiting block 2 by using the connecting rope 4 fixing clamp, the limiting plate 5 is arranged at the lower part of the hoisting frame 7 in a calculated limiting position, and when the control of the winch fails, the winch 8 continuously operates, the limiting device limits the limiting block to continuously move by the limiting plate 5, so that the connecting rope 4 stops moving, further the operation of the winch 8 is limited, and the hoisting piece 9 at the front end of the connecting rope 4 does not ascend.
According to the technical scheme, the limiting device is simple in structure and easy to operate, the connecting rope 4 passes through the limiting block 2, the fixing block 1 is fixed on the connecting rope 4, the connecting rope 4 passes through the limiting plate 5, the connecting rope 4 moves in a specified range through the mutual matching of the limiting plate 5 and the limiting assembly, when the electronic limiting fails, and the winch continuously operates, at the moment, the connecting rope 4 continuously operates to the limiting plate 5, the limiting block is fixed through the limiting plate 5, the connecting rope 4 is further limited to move, the purpose of braking the winch 8 is achieved, the safety of operators is effectively guaranteed, and property loss is reduced.
The stop device according to the utility model is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the spacing device set forth above without departing from the scope of the present utility model. Accordingly, the scope of the utility model should be determined from the following claims.
Claims (7)
1. A stop device for spacing reciprocating motion's connecting rope's range of motion, connecting rope is through the support hoist and mount of hoist and mount frame to wait to hoist and mount article, its characterized in that, stop device includes:
the limiting assembly comprises a fixed block and a limiting block, a first through hole is formed in the limiting block, the fixed block is fixedly arranged on the periphery of the first through hole, and the fixed block is used for fixing a connecting rope penetrating through the first through hole;
the limiting plate is provided with a second through hole and is fixedly arranged on the hoisting frame, wherein the connecting rope passes through the second through hole and is connected with equipment for winding the connecting rope;
the limiting assembly and the connecting rope fixed with the limiting assembly move to the position where the limiting plate is located, and the limiting plate is used for limiting the movement range of the limiting assembly.
2. The spacing device of claim 1, wherein,
the first through hole has an inclination angle ranging from 10 ° to 45 ° with respect to the central axis of the connection rope.
3. The spacing device of claim 1, wherein,
the limiting block is a wedge-shaped structural member.
4. The spacing device of claim 1, wherein,
the shape of the connecting position of the fixing block and the connecting rope is arc-shaped.
5. The spacing device of claim 1, wherein,
the fixing block is provided with a connecting rope clamp fixedly connected with the connecting rope.
6. The spacing device of claim 1, wherein,
when the number of the limiting plates is one, the limiting assembly comprises a fixed block and a limiting block, and the limiting block moves to the position where the limiting plates are located under the driving of the connecting rope.
7. The spacing device of claim 1, wherein,
when the number of the limiting plates is two, the limiting assembly comprises a fixed block and two limiting blocks, the fixed block is arranged between the two limiting blocks, the corresponding limiting blocks are driven by the connecting rope to move to the positions where the corresponding limiting plates are located, and the distance between the two limiting plates is the movement range of the connecting rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321398225.8U CN220334637U (en) | 2023-06-02 | 2023-06-02 | Limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321398225.8U CN220334637U (en) | 2023-06-02 | 2023-06-02 | Limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220334637U true CN220334637U (en) | 2024-01-12 |
Family
ID=89445122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321398225.8U Active CN220334637U (en) | 2023-06-02 | 2023-06-02 | Limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220334637U (en) |
-
2023
- 2023-06-02 CN CN202321398225.8U patent/CN220334637U/en active Active
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