CN216908944U - Length-adjustable safety rope assembly - Google Patents
Length-adjustable safety rope assembly Download PDFInfo
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- CN216908944U CN216908944U CN202220740828.0U CN202220740828U CN216908944U CN 216908944 U CN216908944 U CN 216908944U CN 202220740828 U CN202220740828 U CN 202220740828U CN 216908944 U CN216908944 U CN 216908944U
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- rope
- safety
- locking
- winding shaft
- rope winding
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Abstract
The utility model discloses a safety rope assembly with adjustable length, which comprises: the rope winding shaft is used for winding a safety rope, and the tail end of the safety rope is provided with a safety hook; the locking device is used for locking or releasing the rotation freedom degree of the safety rope wound around the rope shaft or released from the rope shaft; and the return device is used for driving the rope winding shaft to rotate and wind the safety rope. The rope winding shaft is locked and can be driven to return to the rope winding shaft, and the using length of the safety rope can be adjusted according to needs, so that the safety rope winding shaft has high universality, can meet the requirements of different operation positions on the safety ropes with different lengths, and has a good safety protection effect on constructors, thereby ensuring the safety production and improving the operation efficiency.
Description
Technical Field
The utility model relates to safety equipment for high-altitude construction operation, in particular to a safety rope assembly with adjustable length.
Background
In high-altitude operations such as outer wall, the safety rope has important safety protection effect. Due to safety issues, the safety line used is generally not adjustable in length. The safety hook has the advantages that the safety hook has no hanging position due to insufficient length of the safety rope or has too long length to play a safety protection role in the operation process; particularly, when the operation is required to be carried out at a plurality of positions within a certain time, the lengths of the safety ropes required by the suspension points at each position are different, even the difference is large, and the existing safety ropes do not have the adaptability on the lengths.
Therefore, need improve current safety rope structure, have stronger commonality, can adapt to the requirement of different operation positions to the safety rope of different length, form better safety protection effect to the constructor to guarantee safety in production and improve the operating efficiency.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a safety rope assembly with adjustable length, which has strong versatility, can meet the requirements of different working positions for safety ropes with different lengths, and forms a good safety protection effect for constructors, thereby ensuring safe production and improving working efficiency.
The utility model relates to a safety rope assembly with adjustable length, which comprises:
the rope winding shaft is used for winding a safety rope, and a safety hook is arranged at the tail end of the safety rope;
the locking device is used for locking or releasing the rotation freedom degree of the safety rope wound around the rope shaft or released from the rope shaft;
and the return device is used for driving the rope winding shaft to rotate and wind the safety rope.
The rope winding device further comprises a box body, and the rope winding shaft is arranged on the box body in a rotating fit manner; the box body is provided with a hook connecting position for hooking a hook of a human body and a via hole for leading out a safety rope.
Further, the locking device includes a locking gear fixed in a circumferential direction with the rope winding shaft and a locking pawl drivingly engaged with and disengaged from a gear tooth of the locking gear.
Furthermore, the return device is a spring device and is used for applying rope winding pretightening force for rope winding rotation to the rope winding shaft.
Furthermore, the locking gear and the clockwork spring device are respectively arranged at the positions close to two ends of the rope winding shaft and are respectively provided with independent spaces.
Furthermore, the locking claw is of a lever structure, a fulcrum of the lever structure is located on the box body, the power arm extends out of the box body to serve as an operation end, the resistance arm is provided with a claw and is matched with the gear teeth of the locking gear, and the resistance arm is provided with a locking pretightening force for enabling the claw to be meshed with the gear teeth of the locking gear.
Furthermore, the locking pretightening force is applied by a torsion spring arranged on the lever structure or a compression spring arranged between the resistance arm and the box body.
The utility model has the beneficial effects that: the safety rope assembly with the adjustable length adopts the structural design that the rope winding shaft can be locked and the rope winding shaft can be driven to return to the original position, and the use length of the safety rope can be adjusted according to the requirement, so that the safety rope assembly has stronger universality, can meet the requirements of different operation positions on the safety ropes with different lengths, and forms better safety protection effect on constructors, thereby ensuring the safety production and improving the operation efficiency.
Drawings
The utility model is further described below with reference to the figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a locking schematic of the locking gear;
fig. 3 is a schematic view of the structure of the clockwork spring device.
Detailed Description
As shown in fig. 1, 2, and 3: the adjustable length safety line assembly of this embodiment includes:
the rope winding shaft 3 is used for winding a safety rope 5, the tail end of the safety rope is provided with a safety hook, and the tail end refers to one end far away from a human body in use, and the description is omitted; the safety hook is used for being hung at a specific position, such as a steel beam and the like, belongs to the prior art, and is not described herein again; the rope winding shaft 3 generally adopts a rotating shaft and is integrally formed or is in transmission fit with a structure of a winch 1, and is used for winding a safety rope to be driven, and the description is omitted; as shown in the figure, in the embodiment, the rope winding of the rope winding shaft 3 is realized by the winch 1 in transmission fit with the rope winding shaft 3 (the connection strength is easily ensured by key connection or splines), and the assembly is easy;
a locking device for locking or releasing the rotational degree of freedom of the safety rope wound around the rope shaft or released from the rope shaft; the locking device can adopt a ratchet wheel and pawl structure in the prior art (certainly clamped in the direction of releasing the safety rope), can also be realized by inserting and pulling a bolt, and the like, and can be used for mechanically locking the rope around a rope shaft, so that the detailed description is omitted;
the return device is used for driving the rope winding shaft to rotate and wind the safety rope, and the rope winding shaft can be driven to return by adopting various conventional driving mechanisms, such as manual operation and electric operation, so that the purpose of the utility model can be achieved.
In this embodiment, the rope winding device further includes a box body 4, the rope winding shaft 3 is rotatably fitted in the box body 4, as shown in the figure, two ends of the rope winding shaft are rotatably fitted with two shaft seats arranged on the box body through bearings, which is not described herein again; the box body 4 is provided with a hook connecting position 7 for hooking a hook of a human body and a through hole 401 for leading out the safety rope 5 so as to ensure the smooth use of the safety rope, and the box body is required to be smoothened around the through hole so as to ensure that the safety rope is not abnormally worn; as shown in the figure, the hook connecting position 7 on the box body is of a hanging ring structure, so that the human body hook is convenient to connect through a safety belt, and the adaptability is strong.
In this embodiment, the locking device comprises a locking gear 2 fixed in the circumferential direction with respect to the rope winding shaft 3 and a locking pawl drivingly engageable with and disengageable from the teeth of the locking gear 2; as shown in the figure, the locking gear 2 and the rope winding shaft 3 are connected through a key to realize the limitation in the circumferential direction, and can be a spline (the safety and the strength are ensured); the locking claw can be meshed with the gear teeth of the locking gear 2 through the driving of a set mechanical structure, so that the rotation of the rope winding shaft is limited; the rope winding shaft can be separated and released, so that the safety rope is pulled by external force to achieve the set length, the locking claw is driven to be meshed and locked with the gear teeth, and the purpose of adjusting the length of the safety rope is achieved.
In this embodiment, the returning device is a clockwork device 6, and is configured to apply a rope winding pre-tightening force for rope winding rotation to the rope winding shaft 3; the clockwork 6 is a common device for applying a circular rotation pretightening force, and stores energy when the safety rope is pulled to adjust the length, and after the safety rope and the locking device are released, the clockwork drives the rope winding shaft to rotate by utilizing the stored energy, so that the safety rope is wound on the rope winding shaft (or a winding winch arranged on the rope winding shaft) again, and the details are omitted.
In this embodiment, the locking gear 2 and the clockwork spring 6 are respectively arranged at the positions close to the two ends of the clockwork shaft 3, and are respectively provided with independent spaces; as shown in the figure, the locking gear 2 and the clockwork spring device 6 are both located in the box body, so that the whole device has better integrity, and the independent space is enclosed by the partition board arranged in the box body, which is not described in detail herein.
In this embodiment, the locking claw is in a lever structure, a fulcrum 9 of the lever structure is located in the box body, a power arm 10 extends out of the box body 4 to serve as an operation end, a resistance arm 8 is provided with a claw 11 and is matched with the gear teeth of the locking gear 2, and as shown in the figure, the claw and the resistance arm are integrally formed, so that the whole lever structure is integrally formed and has better strength; the resistance arm 8 is provided with a locking pretightening force for meshing the claw 11 with the gear teeth of the locking gear 2; as shown in the figure, the fulcrum 9 of the lever structure is arranged at a set position of the box body (by the structure of the hinge shaft), the power arm is used for an operator to move the jack catch away from the gear teeth, the release of the rope winding shaft is completed, the length of the safety rope can be adjusted as required, and the operation is simple and convenient on the whole.
In this embodiment, the locking pretightening force is applied by a torsion spring arranged on the lever structure or a compression spring arranged between the resistance arm and the box body; in this embodiment, be equipped with a plurality of compression spring 12 between resistance arm 8 and box 1 to guarantee the size and the long-term existence of pretightning force, avoid the pretightning force to become invalid and lead to the incident.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A safety line subassembly of adjustable length which characterized in that: the method comprises the following steps:
the rope winding shaft is used for winding a safety rope, and a safety hook is arranged at the tail end of the safety rope;
the locking device is used for locking or releasing the rotation freedom degree of the safety rope wound around the rope shaft or released from the rope shaft;
and the return device is used for driving the rope winding shaft to rotate and wind the safety rope.
2. A length adjustable safety line assembly as claimed in claim 1, wherein: the rope winding shaft is arranged on the box body in a rotating fit manner; the box body is provided with a hook connecting position for hooking a hook of a human body and a via hole for leading out a safety rope.
3. A length adjustable safety line assembly as claimed in claim 2, wherein: the locking device comprises a locking gear fixed with the rope winding shaft in the circumferential direction and a locking claw which can be driven to be meshed with and separated from the gear teeth of the locking gear.
4. A length adjustable safety line assembly as claimed in claim 3, wherein: the return device is a spring device and is used for applying rope winding pretightening force for rope winding rotation to the rope winding shaft.
5. The adjustable length safety line assembly of claim 4, wherein: the locking gear and the clockwork spring device are respectively arranged at the positions close to two ends of the rope winding shaft and are respectively provided with independent spaces.
6. A length adjustable safety line assembly as claimed in claim 3, wherein: the locking claw is of a lever structure, a fulcrum of the lever structure is located on the box body, the power arm extends out of the box body to serve as an operation end, the resistance arm is provided with a claw and matched with the gear teeth of the locking gear, and the resistance arm is provided with a locking pretightening force for enabling the claw to be meshed with the gear teeth of the locking gear.
7. A length adjustable safety line assembly as claimed in claim 3, wherein: the locking pretightening force is applied by a torsion spring arranged on the lever structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220740828.0U CN216908944U (en) | 2022-03-31 | 2022-03-31 | Length-adjustable safety rope assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220740828.0U CN216908944U (en) | 2022-03-31 | 2022-03-31 | Length-adjustable safety rope assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216908944U true CN216908944U (en) | 2022-07-08 |
Family
ID=82229038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220740828.0U Active CN216908944U (en) | 2022-03-31 | 2022-03-31 | Length-adjustable safety rope assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216908944U (en) |
-
2022
- 2022-03-31 CN CN202220740828.0U patent/CN216908944U/en active Active
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