CN220175904U - Safety rope device with differential lock - Google Patents
Safety rope device with differential lock Download PDFInfo
- Publication number
- CN220175904U CN220175904U CN202321531330.4U CN202321531330U CN220175904U CN 220175904 U CN220175904 U CN 220175904U CN 202321531330 U CN202321531330 U CN 202321531330U CN 220175904 U CN220175904 U CN 220175904U
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- safety rope
- differential lock
- pawl
- safety
- circular ring
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- 238000000034 method Methods 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the field of high-altitude protection devices, in particular to a safety rope device with a differential lock. Including first buckle, second buckle, safety rope and differential lock unwrapping wire ware, fixed datum point and safety rope are connected to first buckle, differential lock unwrapping wire ware swing joint is on the safety rope, and the second buckle is connected with the safety device that differential lock unwrapping wire ware and staff dressed. Differential lock unwrapping wire ware mainly includes: the safety rope is wound on the winder and drives the winder and the eccentric ring to rotate, when the moving speed of the safety rope is smaller than a threshold value, the eccentric ring is in a first state, the pawl is relatively independent from the gear ring, when the moving speed of the safety rope is greater than or equal to the threshold value, the eccentric ring is in a second state, and the pawl and the gear ring are locked to prevent the safety rope from continuing moving. Prevent personnel from falling, strictly ensured the life safety of high altitude construction personnel.
Description
Technical Field
The utility model relates to the field of high-altitude protection devices, in particular to a safety rope with a differential lock.
Background
Along with the rapid development of the urban process, high-rise buildings are more and more, and the high-rise buildings can involve high-altitude operation in the building process, so that the safety rope is an important defense line for the life safety of high-altitude operation personnel, is commonly used for the safety protection of high-altitude construction operation when the high-altitude construction operation accidentally falls, and can effectively protect the life safety of constructors. At present, when the conventional safety rope is used, a user is required to manually control the sliding speed of the rope, so that hand fatigue is easy to cause, the working efficiency is influenced, the safety rope does not have an emergency falling protection device, the accident of casualties caused by high-altitude falling of personnel due to unstable hand holding or other sudden factors can occur occasionally, and the life safety of staff is seriously threatened.
Aiming at the problems, the Chinese utility model patent comprises the following steps: buffer type speed difference anti-falling device (publication number: CN 113368420A) and Chinese utility model patent: a safety rope with a differential lock is disclosed in a safety hook (authority number: CN 217339841U), but an emergency locking mode of the safety rope is realized by a coil spring in the locking device under the action of centrifugal force, and the design of the coil spring is adopted for the differential lock, so that the weight of the differential lock is greatly increased, and the safety is influenced; and is inconvenient to carry in the using process.
Disclosure of Invention
The utility model aims at: aiming at emergency falling caused by improper operation of a safety rope for high-altitude operation personnel and lightening the weight of the safety rope on the premise of ensuring safety, the safety rope with the differential lock is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a safety line device with a differential lock, comprising: the device comprises a first buckle, a second buckle, a safety rope and a differential lock paying-off device, wherein the first buckle is connected with the upper part of the safety rope and is used for connecting a fixed datum point; the differential lock paying-off device is movably connected to the safety rope; the second buckle is connected with the lower part of the differential lock paying-off device and is used for being connected with a safety device worn by a worker;
the differential lock paying-off device comprises: the device comprises a shell, a gear ring, a winder, an eccentric circular ring, a central shaft and a pawl;
the gear ring is fixedly connected with the shell, a central shaft is arranged in the gear ring, the eccentric circular ring is rotatably arranged around the central shaft, and the pawl is sleeved outside the eccentric circular ring;
the eccentric circular ring has two states, and when the eccentric circular ring is in a first state, the pawl and the gear ring which are sleeved are kept in relatively independent states; when the eccentric circular ring is in the second state, the eccentric circular ring drives the sleeved pawl to move, and the pawl is clamped with the gear ring, so that the eccentric circular ring and the pawl are locked by the gear ring;
the winder is rotatably arranged on the central shaft and is connected with the eccentric circular ring;
the safety rope is movably connected around the winder and can move relative to the differential lock paying-off device in a paying-off mode, and when the moving speed of the safety rope is smaller than a threshold value, the eccentric circular ring and the pawl keep a first state; when the movement speed of the safety rope is greater than or equal to a threshold value, the eccentric circular ring and the pawl enter a second state, and the eccentric circular ring rotates and drives the pawl to be locked with the gear ring in a clamping mode in the second state. When the pawl is locked with the gear ring in a clamping way, the safety rope and the differential lock paying-off device are locked.
Preferably, the diameter of the safety rope is not less than 12mm.
Preferably, the safety rope is made of nylon.
Preferably, the first buckle is a movable buckle.
Preferably, the first buckle is a quick release buckle.
Preferably, the second buckle is a movable buckle.
Preferably, the second buckle is a quick release buckle.
Preferably, the first catch is larger than the second catch.
Preferably, the safety rope can penetrate out from the lower end or the lower side surface of the differential lock paying-off device, so that the self weight of the differential lock paying-off device is reduced.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. the differential lock paying-off device solves the problem of sudden falling caused by misoperation in the high-altitude operation process, and provides safety guarantee for high-altitude operation personnel.
2. The design of the internal structure of the differential lock rope releasing device can reduce the weight of the structure and is convenient to carry.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a state diagram of the differential lock payout device in a first state.
FIG. 3 is a state diagram of the differential lock payout device in a second state.
Fig. 4 is a state diagram of the safety line and the reel in the differential lock payout device.
The marks in the figure: 1-first buckle, 2-safety rope, 3-differential lock unwrapping wire ware, 4-second buckle, 5-casing, 6-ring gear, 7-pawl, 8-center pin, 9-eccentric ring, 10-winder.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples:
a safety line device with a differential lock as shown in fig. 1 to 4, comprising: the device comprises a first buckle 1, a second buckle 4, a safety rope 2 and a differential lock paying-off device 3, wherein the first buckle 1 is connected with the upper part of the safety rope 2, and the first buckle 1 is used for connecting a high-altitude fixed datum point; the differential lock paying-off device 3 is movably connected to the safety rope 2; the second buckle 4 is connected with the lower part of the differential lock paying-off device 3, and the second buckle is used for being connected with a safety device worn by a worker.
The differential lock payout device 3 includes: the device comprises a shell 5, a gear ring 6, a winder 10, an eccentric circular ring 9, a central shaft 8 and a pawl 7.
The gear ring 6 is fixedly connected with the shell 5, a central shaft 8 is arranged inside the gear ring 6, the eccentric circular ring 9 is rotatably arranged around the central shaft 8, and the pawl 7 is sleeved outside the eccentric circular ring 9.
The eccentric circular ring 9 has two states, and when the eccentric circular ring 9 is in a first state, the sleeved pawl 7 and the gear ring 6 keep relatively independent states; when the eccentric circular ring 9 is in the second state, the eccentric circular ring 9 drives the sleeved pawl 7 to move, and the pawl 7 is clamped with the gear ring 6, so that the eccentric circular ring 9 and the pawl 7 are locked by the gear ring 6;
the winder is rotatably arranged on the central shaft 8 and is connected with the eccentric circular ring 9;
the safety rope 2 bypasses the winder 10 to be movably connected, the safety rope 2 can carry out paying-off motion relative to the differential lock paying-off device 3, and when the safety rope 2 carries out paying-off motion, the central shaft 8 is driven to rotate. When the worker pays out the rope at a normal speed and the movement speed of the safety rope 2 is less than the threshold value, the central shaft 8 does not drive the eccentric circular ring 9, the eccentric circular ring 9 and the pawl 7 keep the first state, and the rope can be normally payed out as shown in fig. 2; when staff's mistake is fallen, safety rope 2 movement speed is greater than or equal to the threshold value, and the safety rope drives center pin 8 fast rotation, and then center pin 8 drive rope reel and eccentric ring 9 take place to rotate, eccentric ring 9 and pawl 7 get into the second state, during the second state eccentric ring 9 takes place to rotate and drive pawl 7 and ring gear 6 joint locking, as shown in fig. 3, after pawl 7 and the ring gear 6 locking, reverse effort makes center pin 8 stop rotating, and center pin 8 makes safety rope 2 emergency stop, prevents to continue the whereabouts.
In this embodiment, the diameter of the safety line 2 is not less than 12mm.
In this embodiment, the safety rope 2 is made of nylon.
In this embodiment, the first buckle 1 is a movable buckle.
In this embodiment, the first buckle 1 is a quick-release buckle, which is convenient to detach from the fixed reference point.
In this embodiment, the second buckle 4 is a movable buckle.
In this embodiment, the second buckle 4 is a quick-release buckle, which is convenient to detach from the safety device worn by the worker.
In this embodiment, the other end of the safety rope 2 can be threaded out from the bottom end or bottom side of the differential lock payout device 3 after being wound around the reel 10.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A safety line device with a differential lock, comprising: the device comprises a first buckle (1), a second buckle (4), a safety rope (2) and a differential lock paying-off device (3), wherein the first buckle is connected with the upper part of the safety rope and is used for connecting a fixed datum point; the differential lock paying-off device (3) is movably connected to the safety rope; the second buckle is connected with the lower part of the differential lock paying-off device (3) and is used for being connected with a safety device worn by a worker;
it is characterized in that the method comprises the steps of,
the differential lock paying-off device (3) comprises: a shell (5), a gear ring (6), a reel (10), an eccentric ring (9), a central shaft (8) and a pawl (7);
the gear ring (6) is fixedly connected with the shell (5), a central shaft (8) is arranged inside the gear ring (6), the eccentric circular ring (9) is rotatably arranged around the central shaft (8), and the pawl (7) is sleeved outside the eccentric circular ring (9);
the eccentric circular ring (9) has two states, and when the eccentric circular ring (9) is in a first state, the pawl (7) and the gear ring (6) which are sleeved are kept in relatively independent states; when the eccentric circular ring (9) is in the second state, the eccentric circular ring (9) drives the sleeved pawl (7) to move, and the pawl (7) is clamped with the gear ring (6), so that the eccentric circular ring (9) and the pawl (7) are locked by the gear ring (6);
the winder (10) is rotatably arranged on the central shaft (8), and the winder (10) is connected with the eccentric circular ring (9);
the safety rope (2) is movably connected around the winder (10), the safety rope (2) can move relative to the differential lock paying-off device (3) in a paying-off mode, and when the moving speed of the safety rope (2) is smaller than a threshold value, the eccentric circular ring (9) and the pawl (7) keep a first state; when the movement speed of the safety rope (2) is greater than or equal to a threshold value, the eccentric circular ring (9) and the pawl (7) enter a second state, and the eccentric circular ring (9) rotates and drives the pawl (7) to be clamped and locked with the gear ring (6) in the second state.
2. Safety rope device with differential lock according to claim 1, characterized in that the diameter of the safety rope (2) is not less than 12mm.
3. Safety rope device with differential lock according to claim 1, characterized in that the safety rope (2) is a nylon safety rope.
4. Safety line device with differential lock according to claim 1, characterized in that the first clasp (1) is a movable clasp.
5. Safety rope device with differential lock according to claim 4, characterized in that the first clasp (1) is a quick release clasp.
6. A safety line device with a differential lock according to claim 1, characterized in that the second catch (4) is a movable catch.
7. A safety line device with a differential lock according to claim 6, characterized in that the second catch (4) is a quick release catch.
8. Safety rope device with differential lock according to claim 1, characterized in that the safety rope (2) is threaded out from the lower end or lower side of the differential lock paying-out device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321531330.4U CN220175904U (en) | 2023-06-15 | 2023-06-15 | Safety rope device with differential lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321531330.4U CN220175904U (en) | 2023-06-15 | 2023-06-15 | Safety rope device with differential lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220175904U true CN220175904U (en) | 2023-12-15 |
Family
ID=89112017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321531330.4U Active CN220175904U (en) | 2023-06-15 | 2023-06-15 | Safety rope device with differential lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220175904U (en) |
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2023
- 2023-06-15 CN CN202321531330.4U patent/CN220175904U/en active Active
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