CN109568828B - Rope rescue device and system - Google Patents
Rope rescue device and system Download PDFInfo
- Publication number
- CN109568828B CN109568828B CN201811619736.1A CN201811619736A CN109568828B CN 109568828 B CN109568828 B CN 109568828B CN 201811619736 A CN201811619736 A CN 201811619736A CN 109568828 B CN109568828 B CN 109568828B
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- rope
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- fixed plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000010354 integration Effects 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000001174 ascending effect Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0043—Lifelines, lanyards, and anchors therefore
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0043—Lifelines, lanyards, and anchors therefore
- A62B35/0075—Details of ropes or similar equipment, e.g. between the secured person and the lifeline or anchor
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a rope rescue device which comprises a movable plate assembly, a fixed plate assembly, a rotating mechanism assembly and a handle assembly which are sequentially connected. The movable plate assembly can rotate relative to the fixed plate assembly, one end of the fixed plate assembly is provided with a connecting unit for connecting a user, and the other end of the fixed plate is provided with a fixed friction block and a sliding groove; the rotating mechanism integration comprises a unidirectional rotating unit and a movable friction block; the periphery of the unidirectional rotation unit is provided with a rope, after the rope winds the unidirectional rotation unit for half a cycle, a rope rescue device extends out of a gap between the movable friction block and the fixed friction block, and the handle is integrated to control the moving speed of the rope. The rope rescue device can realize free ascending and descending conversion, and an operator can freely control ascending and descending speeds, so that the high efficiency of rescue is ensured.
Description
Technical Field
The invention relates to the technical field of high-altitude operation, in particular to a rope rescue device and a system.
Background
With the wide application of rope work. In particular in the rope rescue field, the rescue efficiency and timeliness bring higher requirements to operators. In order to improve rescue efficiency and timeliness, a single traditional rope rescue device cannot meet rescue requirements, and operators cannot carry multiple rescue tools to rescue, so that the physical strength and experience of the operators are examined.
In rope rescue, the transition between descent and ascent has been a problem. Aiming at the problems in the related art, a rope rescue device can not effectively solve the problems. In the actual rescue process, operators use different kinds of equipment in the ropes in order to achieve the required effect. Therefore, the rope rescue device is developed to realize the descending and ascending conversion functions, and obviously has positive practical significance.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a rope rescue device and a system.
The rope rescue device comprises a moving plate integration, a rotating mechanism integration, a fixed plate integration and a handle integration which are connected in sequence;
the movable plate assembly can integrally rotate relative to the fixed plate;
one end of the fixed plate integration is provided with a connecting unit for connecting a user, and one end of the fixed plate integration, which is far away from the connecting unit, is provided with a fixed friction block and a sliding groove which is arranged near the fixed friction block;
the rotating mechanism comprises a unidirectional rotating unit and a movable friction block coaxially connected with the unidirectional rotating unit; the periphery of the unidirectional rotation unit is provided with a rope, and the rope extends out of the rotation mechanism through a gap between the movable friction block and the fixed friction block to be integrated after the rope winds the unidirectional rotation unit for half a cycle;
the handle is integrated to include drive mechanism, drive mechanism passes through the sliding tray with the movable friction block is connected, thereby makes the handle can drive the movable friction block rotates, with control movable friction block with fixed friction block between the clearance size, and then control the speed of movement of rope.
Preferably, the movable plate is provided with an open hole and a safety lock for controlling the open hole to open and close at one end corresponding to the connection unit.
Preferably, the connection unit includes an annular ring provided at one end of the fixed plate assembly, and a position of the annular ring corresponds to a position of the open hole when the fixed plate assembly is aligned with the moving plate assembly.
Preferably, the end of the movable plate assembly, which is far away from the open hole, is provided with a limit groove, the end of the fixed plate assembly, which is far away from the annular hole, is provided with a T-shaped key, and the T-shaped key can be accommodated in the limit groove and move relative to the limit groove, so that the rotation angle of the movable plate assembly relative to the fixed plate assembly is controlled.
Preferably, the T-shaped key is provided on the fixed friction block.
Preferably, the transmission mechanism is provided with a connecting bolt, one side of the movable friction block, which is close to the transmission mechanism, is provided with a connecting shaft, and the connecting shaft penetrates through the sliding groove to be connected with the connecting bolt.
Preferably, when the connecting shaft is close to one end of the sliding groove, the gap between the movable friction block and the fixed friction block can enable the rope to pass smoothly, and when the connecting shaft is close to the other end of the sliding groove, the gap between the movable friction block and the fixed friction block locks the rope.
Preferably, the unidirectional rotation unit is a unidirectional bearing which rotates freely in one direction and locks in the opposite direction.
Preferably, the one-way bearing is movably connected with the movable friction block, and when the one-way bearing is locked, the rope can drive the movable friction block to rotate, so that a gap between the movable friction block and the fixed friction block is reduced, and the rope is locked.
The rope rescue system comprises the rope rescue device.
Compared with the prior art, the rope rescue device can realize free ascending and descending conversion, and an operator can freely control ascending and descending speeds, so that the high efficiency of rescue is ensured. Meanwhile, when the rope passes through the rope rescue device, even if the rope rescue device is opened, the operator can be ensured to be always connected with the rope rescue device, and the safety of the operator is ensured.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawing figures, wherein:
fig. 1 shows a front view of the rope rescue device according to the invention in a closed state.
Fig. 2 shows a side view of the rope rescue device according to the invention in a closed state.
Fig. 3 shows a front view of the rope rescue device according to the invention in an open state.
Fig. 4 shows a side view of the rope rescue device of the invention in an open state.
Fig. 5 is an exploded view of the rope rescue device shown in fig. 1.
Fig. 6 is a schematic diagram of the mobile plate assembly of fig. 1.
Fig. 7 is a schematic diagram of the mobile plate assembly of fig. 1.
Fig. 8 is a schematic diagram of the rope rescue system of the present invention.
In the drawings, like parts are given like reference numerals, and the drawings are not drawn to scale.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Fig. 1 to 4 show a rope rescue device according to the present invention, fig. 1 is a front view of the rope rescue device in a closed state, fig. 2 is a side view of the rope rescue device in a closed state, fig. 3 is a front view of the rope rescue device in an open state, and fig. 4 is a side view of the rope rescue device in an open state.
Fig. 5 shows an exploded view of the rope rescue device of fig. 1 to 4, which, as can be seen from fig. 5, comprises a moving plate assembly 1, a rotating mechanism assembly 3, a fixed plate assembly 2 and a handle assembly 4, which are connected in sequence. In a specific embodiment, the middle position of the fixed plate integration 2 is provided with a mounting shaft 5, the movable plate integration 1, the corresponding middle positions of the rotating mechanism integration 3 and the handle integration 4 are provided with mounting holes, the fasteners 6 are sequentially penetrated in the mounting holes, and the movable plate integration 1, the rotating mechanism integration 3 and the handle integration 4 are mounted on the fixed plate integration 2 through the cooperation of the fasteners 6 and the mounting shaft 5. In one embodiment, a spacer 10 is provided between the rotation mechanism assembly 3 and the fixed plate assembly 2.
Wherein the moving plate assembly 1 can be rotated with respect to the fixed plate assembly 2 to open or close the rope rescue device as shown in fig. 1-4. When the rope rescue arrangement is opened, the rope can be installed or removed, as shown in fig. 3 and 4. After the rope is installed or removed, the moving plate assembly 1 is reversely rotated to close the rope rescue device, as shown in fig. 1 and 2.
One end of the fixed plate assembly 2 is provided with a connection unit 21 for connecting a user, and one end of the fixed plate assembly 2 remote from the connection unit 21 is provided with a fixed friction block 22 and a sliding groove 23 provided near the fixed friction block 22 (a part of the sliding groove 23 is shielded by the fixed friction block 22 in fig. 5).
The movable plate assembly 1 is provided at one end corresponding to the connection unit 21 with an open hole 11 and a safety lock 12 for controlling the opening and closing of the open hole 11. The end of the movable plate assembly 1 far away from the open hole 11 is provided with a limit groove 13 (refer to fig. 6), the fixed friction block 22 of the fixed plate assembly 2 is provided with a T-shaped key 24, and the T-shaped key 24 can be accommodated in the limit groove 13 and move relative to the limit groove 13, so that the movable plate assembly 1 rotates in a controllable range relative to the fixed plate assembly 2.
In one embodiment, the safety lock 12 includes a pressing plate 122 and an elastic member 121, the pressing plate 122 is rotatably connected with the moving plate assembly 1, as shown in fig. 7, the pressing plate 122 can rotate around a point a in the drawing, the elastic member 121 is embedded between the pressing plate 122 and the moving plate assembly 1, pressure is applied to the pressing plate 122, the pressing plate rotates around the point a towards the moving plate assembly 1, so that the opening hole 11 is opened, the pressing plate 122 is released, and the pressing plate 122 returns to the original position under the action of the elastic member 121, so that the opening hole 11 is closed. In one embodiment, the elastic member 121 is a spring.
The rotating mechanism integration 3 comprises a unidirectional rotating unit 31 and a movable friction block 32 coaxially connected with the unidirectional rotating unit 31; the rope 7 is arranged on the periphery of the unidirectional rotation unit 31, and after the rope 7 winds the unidirectional rotation unit 31 for half a cycle, the rotation mechanism integration (shown in fig. 3) extends out through the gap 9 between the movable friction block 32 and the fixed friction block 22.
The handle assembly 4 comprises a transmission mechanism 41 and a handle 42, wherein the transmission mechanism 41 is connected with the movable friction block 32 through the sliding groove 23, so that the handle 42 can drive the movable friction block 32 to rotate along the sliding groove 23, and the size of a gap 9 between the movable friction block 32 and the fixed friction block 22 is controlled, so that the moving speed of the rope 7 is controlled. In one embodiment, the transmission 41 is a paddle.
Specifically, the transmission mechanism 41 is provided with a connecting bolt 411, one side of the movable friction block 32, which is close to the transmission mechanism 41, is provided with a connecting shaft 321, and the connecting shaft 321 passes through the sliding groove 23 to be connected with the connecting bolt 411. When the connecting shaft 321 is close to one end (lower end in fig. 5) of the slide groove 23, the rope 7 can pass smoothly through the gap 9 between the movable friction block 32 and the fixed friction block 22, and when the connecting shaft 321 is close to the other end (upper end in fig. 5, hidden by the fixed friction block 22, not shown) of the slide groove 23, the rope 7 is locked by the gap between the movable friction block 32 and the fixed friction block 22.
The connection unit 21 includes an annular hole 211 provided at one end of the fixing plate assembly 2, and a user can connect with the annular hole 211 through the metal ring 8 (refer to fig. 1 and 2) to be connected with the rope rescue apparatus. When the fixed plate package 2 is aligned with the moving plate package 1, the position of the annular ring 211 corresponds to the position of the open hole 11. When the rope 7 is required to be installed, the movable plate assembly 1 (refer to fig. 3) is required to be rotated clockwise while the safety lock 12 is pressed down, so that the movable plate assembly 1 can be separated from the metal ring 8, and in the process, the metal ring 8 is always connected with the fixed plate assembly 2, so that the safety of a user is ensured.
In one embodiment, the unidirectional rotation unit 31 is a unidirectional bearing that is free to rotate in one direction (as indicated by arrow b in fig. 5) and is locked in the opposite direction. The one-way bearing is movably connected with the movable friction block 32, that is, the one-way bearing and the movable friction block 32 can rotate relatively. When the rope 7 moves along the locking direction of the unidirectional bearing, the friction force between the rope 7 and the movable friction block 32 drives the movable friction block 32 to rotate, so that the movable friction block 32 gradually approaches the fixed friction block 22, the gap between the movable friction block 32 and the fixed friction block 22 gradually decreases, and finally the rope 7 is locked, as can be seen in fig. 3.
In one embodiment, the movable friction block 32 is provided with a groove 322 on a side close to the fixed friction block 22, and the rope 7 can be partially accommodated in the groove 322. After the rope 7 winds around the unidirectional bearing 31 for half a circle, the free end 7b of the rope extends out of the rope rescue device from the gap 9 between the movable friction block 32 and the fixed friction block 22, and the anchor end 7a of the rope extends out of the rope rescue device from the other side of the unidirectional bearing 31 (refer to fig. 3).
Fig. 8 shows a rope rescue system according to the invention, which system comprises 7 rope rescue devices 100a, 100b, 100c, 100d, 100e, 100f and 100g according to the invention.
In this system, the left end of the first working rope 600 is connected to the anchor point a, and after the right end passes through the unidirectional rotation unit of the rope rescue device 100b, the right end is pulled to tighten the first working rope 600, and then the right end is tied to the rope close to the rope rescue device 100 b. Similarly, the left end of the first auxiliary rope 700 is connected to the anchor point B, and after the right end passes through the unidirectional rotation unit of the rope rescue device 100c, the right end is pulled to tighten the first auxiliary rope 700, and then the right end is tied to the rope close to the rope rescue device 100 c.
First working rope 600 and first auxiliary rope 700 are provided with first pulley means 800, and first pulley means 800 is capable of sliding along first working rope 600 and first auxiliary rope 700.
The left end of the first traction rope 900 is connected with the lower part of the right side of the first pulley device 800, and after the right end passes through the unidirectional rotation unit of the rope rescue device 100d, the first traction rope 900 is tensioned by pulling the right end, and the rope rescue device 100d is automatically locked after tensioning, so that the first traction rope 900 is ensured not to be loosened. The right end of the second traction rope 910 is connected to the lower portion of the left side of the first pulley device 800, and after the left end passes through the unidirectional rotation unit of the rope rescue device 100e, the second traction rope 910 is tensioned by pulling the left end, and the rope rescue device 100e is automatically locked after tensioning, so that the second traction rope 910 is ensured not to be loosened. In operation, when first pulley arrangement 800 slides rightward along first working rope 600 and first auxiliary rope 700, second traction rope 910 can be lengthened by controlling the handle of rope rescue arrangement 100e, and first traction rope 900 can be shortened by pulling directly on the rope at the right end of rope rescue arrangement 100 d. When first pulley arrangement 800 slides leftwards along first working rope 600 and first auxiliary rope 700, first traction rope 900 can be lengthened by controlling the handle of rope rescue arrangement 100d, and second traction rope 910 can be shortened by pulling directly on the rope at the left end of rope rescue arrangement 100 e.
Preferably, the rescue system further includes a third traction rope 920, and similarly, the right end of the third traction rope 920 is connected to the lower portion of the left side of the first pulley device 800, and after the left end passes through the unidirectional rotation unit of the rope rescue device 100f, the third traction rope 920 is tensioned by pulling the left end, and the rope rescue device 100f is automatically locked after tensioning, so that the third traction rope 920 is ensured not to be loosened.
The third traction rope 920 is a protection device, and in general, the rescue system is easy to have a phenomenon of high side and low side, for example, if the situation of high left side and low right side occurs, a third traction rope 920 is arranged on the high left side to play a role of protection. Specifically, if the first traction rope 900 having a low right side is broken, the first pulley device 800 does not slip to the right side at risk due to the traction of the second traction rope 910 and the third traction rope 920. If the second traction rope 910, which is high on the left side, breaks, the first pulley device 800 loses traction of the second traction rope 910 without the third traction rope 920, and slides to the right side by gravity, which may cause an operator to strike the wall on the right side, presenting a hazard. Therefore, the third traction rope 920 is added, so that the risk of aloft work can be further reduced, and the safety factor of operators can be improved.
It will be appreciated that whether the third traction rope 920 is disposed on the left or right side of the first pulley device 800 is not limited by the particular circumstances of the field operation.
A force-distributing plate 500 is provided below the first pulley device 800, and the lower end of the force-distributing plate 500 is connected to the second working rope 300 and the second auxiliary rope 310. The left end of the second working rope 300 is connected to the force-distributing plate 500 after passing around the second pulley device 400 and the rope rescue device 100a in sequence, and the right end of the second working rope 300 passes around the rope rescue device 100g and is automatically locked under the action of the unidirectional rotation unit of the rope rescue device 100g.
If the operator at the rope rescue apparatus 100a needs to descend, the rope between the force distributing plate 500 and the operator is lengthened by the handle of the rope rescue apparatus 100a to gradually descend to approach the wounded person 600. Of course this operation requires the same operation by the operator at rope rescue device 100g to engage rope rescue device 100a. If the operator at the rope rescue device 100a needs to ascend, only the rope at the right end of the rope rescue device 100g needs to be pulled, and the operator at the rope rescue device 100a ascends under the action of the second pulley device 400 and the second working rope 300.
The second auxiliary protection device 200 is connected to the operator and is arranged on the second auxiliary protection rope 310, and the second auxiliary protection device 200 ascends or descends along with the operator, so that additional protection is provided for the operator, and the safety of the operator is protected.
According to the rope rescue system, high-efficiency rescue can be realized through few equipment types as much as possible, meanwhile, the safety of a rescuer is ensured, and the danger coefficient of the rescuer is reduced. The rescue system can maximize the energy conversion efficiency of a rescuer in the rising process through the cooperation between the pulley device and the rope rescue device.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily make modifications or variations within the technical scope of the present invention disclosed herein, and such modifications or variations are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (5)
1. The rope rescue device is characterized by comprising a moving plate integration, a rotating mechanism integration, a fixed plate integration and a handle integration which are connected in sequence;
the movable plate assembly can integrally rotate relative to the fixed plate;
one end of the fixed plate integration is provided with a connecting unit for connecting a user, and one end of the fixed plate integration, which is far away from the connecting unit, is provided with a fixed friction block and a sliding groove which is arranged near the fixed friction block;
the rotating mechanism integration comprises a unidirectional rotating unit and a movable friction block coaxially connected with the unidirectional rotating unit, wherein a rope is arranged on the periphery of the unidirectional rotating unit, and after the rope winds the half periphery of the unidirectional rotating unit, the rope extends out of the rotating mechanism integration through a gap between the movable friction block and the fixed friction block;
the handle assembly comprises a transmission mechanism, and the transmission mechanism is connected with the movable friction block through the sliding groove, so that the handle can drive the movable friction block to rotate, the size of the gap between the movable friction block and the fixed friction block is controlled, and the moving speed of the rope is controlled;
an open hole and a safety lock for controlling the open hole to open and close are arranged at one end of the movable plate body, which corresponds to the connecting unit;
the connecting unit comprises an annular hole arranged at one end of the fixed plate assembly, and the position of the annular hole corresponds to the position of the open hole when the fixed plate assembly is aligned with the movable plate assembly;
the movable plate integrated device comprises a fixed plate integrated device, a fixed plate integrated device and a movable plate integrated device, wherein one end of the movable plate integrated device, which is far away from the open hole, is provided with a limiting groove, one end of the fixed plate integrated device, which is far away from the annular hole, is provided with a T-shaped key, and the T-shaped key can be accommodated in the limiting groove and move relative to the limiting groove, so that the rotation range of the movable plate integrated device relative to the fixed plate integrated device is controlled;
the T-shaped key is arranged on the fixed friction block;
the transmission mechanism is provided with a connecting bolt, one side of the movable friction block, which is close to the transmission mechanism, is provided with a connecting shaft, and the connecting shaft penetrates through the sliding groove to be connected with the connecting bolt.
2. Rope rescue apparatus as defined in claim 1, wherein a gap between the movable friction block and the fixed friction block enables the rope to pass smoothly when the connection shaft is close to one end portion of the sliding groove, and the gap between the movable friction block and the fixed friction block locks the rope when the connection shaft is close to the other end portion of the sliding groove.
3. Rope rescue apparatus according to claim 1, characterized in that the unidirectional rotation unit is a unidirectional bearing which is free to rotate in one direction and is locked in the opposite direction.
4. A rope rescue apparatus as defined in claim 3, wherein the one-way bearing is movably connected with the movable friction block, and the rope is capable of driving the movable friction block to rotate when the one-way bearing is locked, so that a gap between the movable friction block and the fixed friction block is reduced, thereby locking the rope.
5. Rope rescue system characterized in that it comprises a rope rescue device according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619736.1A CN109568828B (en) | 2018-12-28 | 2018-12-28 | Rope rescue device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619736.1A CN109568828B (en) | 2018-12-28 | 2018-12-28 | Rope rescue device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109568828A CN109568828A (en) | 2019-04-05 |
| CN109568828B true CN109568828B (en) | 2023-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619736.1A Active CN109568828B (en) | 2018-12-28 | 2018-12-28 | Rope rescue device and system |
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| Country | Link |
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| CN (1) | CN109568828B (en) |
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| CN86207152U (en) * | 1986-09-14 | 1987-08-05 | 苏秉芝 | Safety self-controlled slow-speed landing unit for life-saving from high above the ground |
| CN2238061Y (en) * | 1995-09-06 | 1996-10-23 | 张士忠 | Slow lowering device for emergency life-saving |
| CN203592983U (en) * | 2013-10-22 | 2014-05-14 | 潘东昊 | Cableway rescue sliding device |
| CN204106879U (en) * | 2014-07-01 | 2015-01-21 | 塞卡尔（北京）工业技术有限公司 | A kind of high level quick falling escape apparatus with two-way rescue function |
| CN106110535A (en) * | 2015-03-05 | 2016-11-16 | 齐德公司 | The fixture on the rope of cam is loaded equipped with the spring improved |
| CN207142552U (en) * | 2017-08-24 | 2018-03-27 | 沃迪克（北京）工业技术有限公司 | Portable lifting machine for wind electricity blade maintenance |
| AT519353B1 (en) * | 2016-12-14 | 2018-06-15 | Stefan Winkler Ba | SAFETY CARABINER AND TRACK WITH SAFETY CARABINERS |
| CN209333058U (en) * | 2018-12-28 | 2019-09-03 | 塞卡尔（北京）工业技术有限公司 | A kind of rope rescue apparatus and system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080302600A1 (en) * | 2007-06-11 | 2008-12-11 | Richard Murray | Descent control device |
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2018
- 2018-12-28 CN CN201811619736.1A patent/CN109568828B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207152U (en) * | 1986-09-14 | 1987-08-05 | 苏秉芝 | Safety self-controlled slow-speed landing unit for life-saving from high above the ground |
| CN2238061Y (en) * | 1995-09-06 | 1996-10-23 | 张士忠 | Slow lowering device for emergency life-saving |
| CN203592983U (en) * | 2013-10-22 | 2014-05-14 | 潘东昊 | Cableway rescue sliding device |
| CN204106879U (en) * | 2014-07-01 | 2015-01-21 | 塞卡尔（北京）工业技术有限公司 | A kind of high level quick falling escape apparatus with two-way rescue function |
| CN106110535A (en) * | 2015-03-05 | 2016-11-16 | 齐德公司 | The fixture on the rope of cam is loaded equipped with the spring improved |
| AT519353B1 (en) * | 2016-12-14 | 2018-06-15 | Stefan Winkler Ba | SAFETY CARABINER AND TRACK WITH SAFETY CARABINERS |
| CN207142552U (en) * | 2017-08-24 | 2018-03-27 | 沃迪克（北京）工业技术有限公司 | Portable lifting machine for wind electricity blade maintenance |
| CN209333058U (en) * | 2018-12-28 | 2019-09-03 | 塞卡尔（北京）工业技术有限公司 | A kind of rope rescue apparatus and system |
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| CN109568828A (en) | 2019-04-05 |
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