CN108031018B - High-altitude descent control device - Google Patents
High-altitude descent control device Download PDFInfo
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- CN108031018B CN108031018B CN201810052303.6A CN201810052303A CN108031018B CN 108031018 B CN108031018 B CN 108031018B CN 201810052303 A CN201810052303 A CN 201810052303A CN 108031018 B CN108031018 B CN 108031018B
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- wire passing
- gear
- base shell
- drum
- control device
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
- A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/20—Devices for lowering persons from buildings or the like by making use of sliding-ropes, sliding-poles or chutes, e.g. hoses, pipes, sliding-grooves, sliding-sheets
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses an overhead descent control device, which comprises a base shell and a cover plate, wherein the upper side and the lower side of the base shell are respectively provided with an upper wire passing hole and a lower wire passing hole, the inner surface of the base shell is provided with an upper wire passing gear and a lower wire passing gear at intervals on a connecting line of the upper wire passing hole and the lower wire passing hole, one side of a gap between the upper wire passing gear and the lower wire passing gear is provided with a middle wire passing gear which is in clutch engagement with the upper wire passing gear and the lower wire passing gear, and a drum brake is arranged on the extension sections of gear shafts of the upper wire passing gear, which extend out of the base shell, and the extension sections of gear shafts of the lower wire passing gear, which extend out of the base shell. The three-wheel descent control device has the advantages that the bearing rope forms a roundabout among the three wheels of the upper line passing gear, the lower line passing gear and the middle line passing gear, the middle line passing gear among the three wheels is not fixed, the friction force of the bearing rope among the three wheels is fully increased, meanwhile, the drum brake mechanism is additionally arranged among the three wheels, and a user can self-adjust the rotating speed of the three wheels anytime and anywhere, so that the descent speed of the descent control device can be self-adjusted anytime and anywhere.
Description
Technical Field
The invention relates to the technical field of safety equipment, in particular to a high-altitude descent control device.
Background
Safety equipment is equipment that controls hazards, harmful elements within safe limits, and reduces, prevents, and eliminates harm to equipment equipped and equipment taken. In the highly urbanized modern times of human beings, safety equipment is particularly important for protecting the safety of human activities.
The high-altitude descent control device is one of safety equipment, and is a safety rescue device capable of enabling people to descend slowly along a rope, so that the high-altitude descent control device can be used for evacuating people and escaping when accidents occur in high-altitude operation or high-rise buildings are in fire and other emergency accidents.
At present, when the escape requirements such as accidents in aerial work or fire disasters in high-rise buildings occur at home and abroad, a plurality of escape bags, slow descent devices and other products appear, but the existing aerial slow descent device has the problems of complex operation, low flexibility and the like.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the high-altitude descent control device which is small in size, light in weight, convenient to operate, strong in flexibility, safe, reliable and high in escape efficiency.
In order to achieve the purpose, the invention is realized by the following technical scheme: a high altitude descent control device comprises a pair of base shell and a cover plate which are engaged to form a sandwich structure, wherein an upper wire passing hole and a lower wire passing hole for a bearing rope to pass through from a sandwich of the base shell and the cover plate are respectively arranged at the upper side and the lower side of the base shell, the high altitude descent control device is characterized in that a pair of upper wire passing gears and lower wire passing gears which rotate synchronously at fixed points are arranged on the connecting line of the upper wire passing hole and the lower wire passing hole at intervals on the inner surface of the base shell, one side of a gap between the upper wire passing gears and the lower wire passing gears is provided with a middle wire passing gear which is engaged with the upper wire passing gears and the lower wire passing gears in a clutch way, the circumferential circles of the upper wire passing gears, the lower wire passing gears and the middle wire passing gears are all gear rings, the annular centers of the gear rings are closed wire passing grooves, the diameter of the middle wire passing gears is larger than the gap between the upper wire passing gears and the lower wire passing gears, a pair of clutch grooves which are horizontally arranged on the opposite surfaces of the teeth of the gear rings of the upper wire passing gears and the base shell and the cover plate, and the upper gear shaft of the brake gear of the base shell, or the upper shaft of the brake shell, and the upper shaft of the brake drum extending section of the base shell, or the lower shaft of the brake drum extending from the upper shaft of the base shell, and the lower shaft of the base shell are provided with the upper shaft extending section of the base shell, and the drum extending section of the base shell.
The invention forms a roundabout of the bearing rope among the three wheels of the upper line passing gear, the lower line passing gear and the middle line passing gear, the middle line passing gear among the three wheels is not fixed, the friction force of the bearing rope among the three wheels is fully increased, the wheels are few, the winding is not complex, the small size, the light weight and the convenient operation are realized, meanwhile, the drum brake mechanism is additionally arranged in one or two of the three wheels, and a user can self-adjust the rotating speed of the three wheels anytime and anywhere, so that the slow descending speed of the slow descending device can be self-adjusted anytime and anywhere, and the invention has strong flexibility, safety, reliability and high escape efficiency.
Preferably, a drum brake is arranged on the extension section of the gear shaft of the upper line passing gear extending out of the base shell and the extension section of the gear shaft of the lower line passing gear extending out of the base shell at the same time, but a coarse adjustment drum brake is matched with the upper line passing gear, and a fine adjustment drum brake is matched with the lower line passing gear; the coarse adjustment drum brake comprises a coarse adjustment drum brake shell, a coarse adjustment brake drum connected with a gear shaft of the upper wire passing gear is arranged in the coarse adjustment drum brake shell, a coarse adjustment brake shoe is arranged on a circle of hoop in the circumferential direction of the coarse adjustment brake drum, a coarse adjustment friction plate for replacing the coarse adjustment brake shoe to realize friction with the coarse adjustment brake drum is arranged on the inner surface of the coarse adjustment brake shoe, one end of the coarse adjustment brake shoe is fixed on the coarse adjustment drum brake shell, the other end of the coarse adjustment brake shoe is connected with a free head, a screw rod is arranged on the free head in a self-rotating mode and is arranged in a nut fixed on the base shell in a threaded fit mode, a dial rotating wheel is arranged at the free end of the screw rod, and a force storage spring is arranged on a screw rod section between the nut and the free head; the fine adjustment drum is stopped including a fine adjustment drum shell of stopping, the fine adjustment drum is stopped be provided with in the shell with the fine adjustment brake drum that the gear shaft of cross the line gear meets down, fine adjustment brake drum circumference round staple bolt has a fine adjustment brake shoe, be provided with on the inner face of fine adjustment brake shoe replace its with fine adjustment brake drum realizes frictional fine adjustment friction disc, wherein one end of fine adjustment brake shoe is fixed on the fine adjustment drum shell of stopping, the other end of fine adjustment brake shoe is connected with one and cranks the arm, be provided with a shift fork on the free end of cranking the arm.
According to the invention, the drum brake mechanism is additionally arranged in one or two of the three wheels of the upper wire passing gear, the lower wire passing gear and the middle wire passing gear, so that a user can self-adjust the rotating speed of the three wheels at any time and any place, thereby self-adjusting the slow descending speed of the descent control device at any time and any place, and the purposes of strong flexibility, safety, reliability and high escape efficiency are realized.
Preferably, an upper wire smoothing wheel is arranged between the upper wire passing hole and the upper wire passing gear, a lower wire smoothing wheel is arranged between the lower wire passing hole and the lower wire passing gear, wire anti-dropping mechanisms are arranged on the sides of the upper wire smoothing wheel and the lower wire smoothing wheel respectively, each wire anti-dropping mechanism comprises a fixed seat, a mandril is arranged on each fixed seat in a sliding mode, a top head with the diameter larger than that of the free end of the mandril is arranged on the free end of the mandril, and a pre-tightening spring is arranged on the mandril section between the top head and the fixed seat.
The upper wire smoothing wheel and the lower wire smoothing wheel are designed for preventing the bearing rope from disengaging from the wheel, and the wire disengaging prevention mechanism is designed for the reason.
Preferably, a pair of tensioning blocks for compressing the bearing rope is arranged beside the lower wire passing hole, each tensioning block is arranged on the base shell in a sliding mode through a plurality of sliding rods, each sliding rod is sleeved with a tensioning spring, two ends of each tensioning spring respectively abut against the portion, corresponding to the sliding rod, of the tensioning block and the base shell, and a friction pair for replacing the friction pair with the bearing rope to achieve friction is arranged on a tensioning surface of each tensioning block.
The design of a pair of tensioning blocks for pressing the bearing rope further increases the friction force of the descent control device on the bearing rope in order to play a role of three insurance.
Preferably, the cover plate is clasped on the base shell through a plurality of elastic buckles, and a pair of hook holes are formed in the opposite surfaces of the base shell and the cover plate.
The cover plate is not fixed on the base shell, so that the cover plate is convenient to open, and then the winding of the bearing rope is convenient to realize. The hook hole is convenient for people to use the safety buckle to buckle on the descent control device after the user wears the shoulder strap.
Preferably, a handle is provided on the outer face of the cover plate.
Has the advantages that: the invention forms a roundabout of the bearing rope among the three wheels of the upper line passing gear, the lower line passing gear and the middle line passing gear, the middle line passing gear among the three wheels is not fixed, the friction force of the bearing rope among the three wheels is fully increased, the wheels are few, the winding is not complex, the small size, the light weight and the convenient operation are realized, meanwhile, the drum brake mechanism is additionally arranged in one or two of the three wheels, and a user can self-adjust the rotating speed of the three wheels anytime and anywhere, so that the slow descending speed of the slow descending device can be self-adjusted anytime and anywhere, and the invention has strong flexibility, safety, reliability and high escape efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is an internal block diagram of the view of FIG. 2 with the cover removed;
fig. 4 is a schematic view of the drum brake structure in perspective of fig. 1.
In the figure: 1-bearing rope, 2-base shell, 3-cover plate, 4-upper line-passing hole, 5-lower line-passing hole, 6-upper line-passing gear, 7-lower line-passing gear, 8-middle line-passing gear, 9-clutch groove, 10-coarse drum brake, 11-fine drum brake, 12-coarse brake drum, 13-coarse brake shoe, 14-coarse friction plate, 15-free head, 16-screw rod, 17-nut, 18-dial wheel, 19-power storage spring, 20-drum coarse brake shell, 21-fine brake drum, 22-fine brake shoe, 23-fine friction plate, 24-crank arm, 25-shift fork, 26-fine drum shell, 27-upper line-stroking wheel, 28-lower line-stroking wheel, 29-fixing seat, 30-mandril, 31-top, 32-pretension spring, 33-tensioning block, 34-slide bar, 35-tensioning spring, 36-friction pair, 37-elastic buckle, 38-hook hole and 39-tensioning block.
Detailed Description
The present invention will be further described with reference to the following embodiments in order to make the technical means, the technical features and the achievement objects of the invention easy to understand.
Example (b): as shown in fig. 1 and 2, the high altitude descent control device comprises a pair of base shells 2 and a cover plate 3 which are clasped to form a sandwich structure, wherein the cover plate 3 is clasped on the base shells through four elastic buckles 37 and is respectively arranged on two sides of each of the base shells 2 and the cover plate 3, and a pair of hook holes 38 are arranged on the opposite surfaces of the base shells 2 and the cover plate 3. A handle 39 is provided on the outside of the cover plate 3.
As shown in fig. 3, the upper and lower sides of the base shell 2 are respectively provided with an upper wire passing hole 4 and a lower wire passing hole 5 through which the bearing rope 1 passes from a sandwich of the base shell 2 and the cover plate 3, the inner surface of the base shell 2 is provided with a pair of upper wire passing gear 6 and a lower wire passing gear 7 which rotate synchronously at fixed points at intervals on a connecting line of the upper wire passing hole 4 and the lower wire passing hole 5, one side of a gap between the upper wire passing gear 6 and the lower wire passing gear 7 is provided with a middle wire passing gear 8 which is in clutch engagement with the upper wire passing gear and the lower wire passing gear, circumferential circles of the upper wire passing gear 6, the lower wire passing gear 7 and the middle wire passing gear 8 are gear rings, the circumferential centers of the gear rings are closed wire passing grooves, the diameter of the middle wire passing gear 8 is larger than the gap between the upper wire passing gear 6 and the lower wire passing gear 7, the base shell 2 and the cover plate 3 are provided with a pair of clutch grooves 9 which are horizontally arranged on opposite surfaces of the middle part of the gap between the upper wire passing gear 6 and the lower wire passing gear 7, and two ends of the middle wire passing gear shaft of the middle wire passing gear 8 are respectively arranged in the pair of the clutch grooves 9.
An upper wire smoothing wheel 27 is arranged between the upper wire passing hole 4 and the upper wire passing gear 6, a lower wire smoothing wheel 28 is arranged between the lower wire passing hole 5 and the lower wire passing gear 7, wire falling prevention mechanisms are arranged on the sides of the upper wire smoothing wheel 27 and the lower wire smoothing wheel 28 respectively, each wire falling prevention mechanism comprises a fixed seat 29, a mandril 30 is arranged on each fixed seat 29 in a sliding mode, a top head 31 with the diameter larger than that of each mandril 30 is arranged at the free end of each mandril 30, and a pre-tightening spring 32 is arranged on the mandril section between each top head 31 and each fixed seat 29.
A pair of tensioning blocks 33 for compressing the bearing rope 1 is arranged beside the lower wire passing hole 5, each tensioning block 33 is slidably arranged on the base shell 2 through three sliding rods 34, each sliding rod 34 is sleeved with a tensioning spring 35, two ends of each tensioning spring 35 respectively abut against the tensioning block 33 corresponding to the sliding rod 34 and the base shell 2, and a friction pair 36 for replacing the friction pair with the bearing rope 1 is arranged on the tensioning surface of each tensioning block 33.
As shown in fig. 4, a drum brake is arranged on the extension section of the gear shaft of the upper line-passing gear 6 extending out of the base shell and the extension section of the gear shaft of the lower line-passing gear 7 extending out of the base shell, but a coarse adjustment drum brake 10 is matched with the upper line-passing gear, and a fine adjustment drum brake 11 is matched with the lower line-passing gear; the coarse adjustment drum brake 10 comprises a coarse adjustment drum brake shell 20, a coarse adjustment brake drum 12 connected with a gear shaft of the upper wire passing gear 6 is arranged in the coarse adjustment drum brake shell 20, a coarse adjustment brake shoe 13 is arranged on a circle of hoop in the circumferential direction of the coarse adjustment brake drum 12, a coarse adjustment friction plate 14 for replacing the coarse adjustment brake shoe to realize friction with the coarse adjustment brake drum 12 is arranged on the inner surface of the coarse adjustment brake shoe 13, one end of the coarse adjustment brake shoe 13 is fixed on the coarse adjustment drum brake shell 20, the other end of the coarse adjustment brake shoe 13 is connected with a free head 15, a screw 16 is arranged on the free head 15 in a self-rotating manner, the screw 16 is arranged in a nut 17 fixed on the base shell in a threaded fit manner, a dial rotating wheel 18 is arranged on the free end of the screw 16, and a force storage spring 19 is arranged on a screw section between the nut 17 and the free head 15; the fine adjustment drum brake 11 comprises a fine adjustment drum brake shell 26, a fine adjustment brake drum 21 connected with a gear shaft of the lower wire passing gear 7 is arranged in the fine adjustment drum brake shell 26, a fine adjustment brake shoe 22 is arranged around the fine adjustment brake drum 21 in a circle, a fine adjustment friction plate 23 for replacing the fine adjustment brake shoe to rub with the fine adjustment brake drum 21 is arranged on the inner surface of the fine adjustment brake shoe 22, one end of the fine adjustment brake shoe 22 is fixed on the fine adjustment drum brake shell 26, the other end of the fine adjustment brake shoe 22 is connected with a crank arm 24, and a shifting fork 25 is arranged at the free end of the crank arm 24.
The following components are used: the bearing rope, namely the escape rope, is stably fixed in an application environment, such as a windowsill, a wall body, furniture, a girder or a thick branch of a tree, a user wears a shoulder strap which is preferably provided with a hook and can bear rock climbing, the cover plate is opened first, the free end of the bearing rope is sequentially penetrated through an upper wire passing hole, an upper wire smoothing wheel, an upper wire passing gear, a middle wire passing gear, a lower wire smoothing wheel, a tension block gap and a lower wire passing hole in a winding way, then the free end of the escape rope is thrown down from a high position to the ground, then a hanging buckle of the shoulder strap is buckled into a hook hole of a descent control device, estimated carrying conditions according to self weight are estimated, then a rotating wheel is turned, a coarse adjustment drum is adjusted by advancing and retreating of a screw rod, the inexistence is estimated, and a fine adjustment drum is also guaranteed, the user can always control a shifting fork in the air according to the conditions to brake, and the escape rope is very convenient, safe and reliable.
Claims (9)
1. An overhead descent control device comprises a pair of base shell and a cover plate which are clasped to form a sandwich structure, wherein the upper side and the lower side of the base shell are respectively provided with an upper wire passing hole and a lower wire passing hole for a bearing rope to pass through from a sandwich of the base shell and the cover plate, the overhead descent control device is characterized in that a pair of upper wire passing gears and lower wire passing gears which rotate synchronously at fixed points are arranged on the connecting line of the upper wire passing holes and the lower wire passing holes at intervals on the inner surface of the base shell, one side of a gap between the upper wire passing gears and the lower wire passing gears is provided with a middle wire passing gear which is in clutch engagement with the upper wire passing gears and the lower wire passing gears, one circle of the circumference of each of the upper wire passing gears, the lower wire passing gears and the middle wire passing gears is a gear ring, but the annular center of the gear ring is a closed wire passing groove, the diameter of the middle wire passing gear is larger than the gap between the upper wire passing gear and the lower wire passing gear, a pair of clutch grooves which are horizontally arranged are arranged on the opposite surfaces of the middle part of the gap between the upper wire passing gear and the lower wire passing gear of the base shell and the cover plate, two ends of a gear shaft of the middle wire passing gear are respectively arranged in the pair of clutch grooves, drum brakes are simultaneously arranged on the extension section of the gear shaft of the upper wire passing gear, which extends out of the base shell, and the extension section of the gear shaft of the lower wire passing gear, which extends out of the base shell, respectively, but a coarse adjustment drum brake is matched with the upper wire passing gear, and a fine adjustment drum brake is matched with the lower wire passing gear; the coarse adjustment drum brake comprises a coarse adjustment drum brake shell, a coarse adjustment brake drum connected with a gear shaft of the upper wire passing gear is arranged in the coarse adjustment drum brake shell, a coarse adjustment brake shoe is arranged on a circle of hoop in the circumferential direction of the coarse adjustment brake drum, a coarse adjustment friction plate for replacing the coarse adjustment brake shoe to realize friction with the coarse adjustment brake drum is arranged on the inner surface of the coarse adjustment brake shoe, one end of the coarse adjustment brake shoe is fixed on the coarse adjustment drum brake shell, the other end of the coarse adjustment brake shoe is connected with a free head, a screw rod is arranged on the free head in a self-rotating mode and is arranged in a nut fixed on the base shell in a threaded fit mode, a dial rotating wheel is arranged at the free end of the screw rod, and a force storage spring is arranged on a screw rod section between the nut and the free head; the fine adjustment drum is stopped including a fine adjustment drum shell of stopping, the fine adjustment drum is stopped be provided with in the shell with the fine adjustment brake drum that the gear shaft of cross the line gear meets down, fine adjustment brake drum circumference round staple bolt has a fine adjustment brake shoe, be provided with on the inner face of fine adjustment brake shoe replace its with fine adjustment brake drum realizes frictional fine adjustment friction disc, wherein one end of fine adjustment brake shoe is fixed on the fine adjustment drum shell of stopping, the other end of fine adjustment brake shoe is connected with one and cranks the arm, be provided with a shift fork on the free end of cranking the arm.
2. The high altitude descent control device according to claim 1, wherein an upper wire smoothing wheel is arranged between the upper wire passing hole and the upper wire passing gear, a lower wire smoothing wheel is arranged between the lower wire passing hole and the lower wire passing gear, wire falling prevention mechanisms are arranged on the sides of the upper wire smoothing wheel and the lower wire smoothing wheel respectively, each wire falling prevention mechanism comprises a fixed seat, a top rod is arranged on each fixed seat in a sliding manner, a top head with a diameter larger than that of the top head is arranged at the free end of the top rod, and a pre-tightening spring is arranged on the top rod section between the top head and the fixed seat.
3. The high altitude descent control device according to claim 1, wherein a pair of tension blocks for compressing the bearing rope is provided beside the lower wire passing hole, each tension block is slidably disposed on the base shell through a plurality of slide bars, each slide bar is sleeved with a tension spring, two ends of each tension spring respectively abut against between the tension block corresponding to the slide bar and the base shell, and a friction pair for realizing friction with the bearing rope is provided on a tension surface of each tension block.
4. The high altitude descent control device according to claim 2, wherein a pair of tension blocks for compressing the bearing rope is arranged beside the lower line passing hole, each tension block is slidably arranged on the base shell through a plurality of slide bars, each slide bar is sleeved with a tension spring, two ends of each tension spring respectively abut against between the tension block corresponding to the slide bar and the base shell, and a friction pair for replacing the tension block and the bearing rope to realize friction is arranged on a tension surface of each tension block.
5. The high altitude descent control device according to claim 1, wherein the cover plate is clasped to the base shell by a plurality of elastic buckles, and a pair of hook holes are provided on the opposite surfaces of the base shell and the cover plate.
6. The high altitude descent control device according to claim 2, wherein the cover plate is clasped to the base shell by a plurality of elastic buckles, and a pair of hook holes are formed in the opposite surfaces of the base shell and the cover plate.
7. The high altitude descent control device according to claim 3, wherein the cover plate is clasped to the base shell by a plurality of elastic buckles, and a pair of hook holes are formed in the opposite surfaces of the base shell and the cover plate.
8. The high altitude descent control device according to claim 4, wherein the cover plate is clasped to the base shell by a plurality of elastic buckles, and a pair of hook holes are formed in the opposite surfaces of the base shell and the cover plate.
9. The high altitude descent control device according to claim 8, wherein a handle is provided on an outer face of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052303.6A CN108031018B (en) | 2018-01-19 | 2018-01-19 | High-altitude descent control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052303.6A CN108031018B (en) | 2018-01-19 | 2018-01-19 | High-altitude descent control device |
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| Publication Number | Publication Date |
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| CN108031018A CN108031018A (en) | 2018-05-15 |
| CN108031018B true CN108031018B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810052303.6A Active CN108031018B (en) | 2018-01-19 | 2018-01-19 | High-altitude descent control device |
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| CN (1) | CN108031018B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657118A (en) * | 2005-03-22 | 2005-08-24 | 蒋平锁 | High-altitude self-controlled slow falling device |
| WO2009072828A2 (en) * | 2007-12-06 | 2009-06-11 | Byung Chun Park | Non-power apparatus for controlling descent |
| CN103830853A (en) * | 2014-03-03 | 2014-06-04 | 青岛亿和海丽安防科技有限公司 | Self-return type coaxial descent control device |
| CN104069592A (en) * | 2014-07-18 | 2014-10-01 | 徐德峰 | High-rise safe escape device |
| CN206526416U (en) * | 2017-02-16 | 2017-09-29 | 东北大学 | A kind of high-rise descent control device |
-
2018
- 2018-01-19 CN CN201810052303.6A patent/CN108031018B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657118A (en) * | 2005-03-22 | 2005-08-24 | 蒋平锁 | High-altitude self-controlled slow falling device |
| WO2009072828A2 (en) * | 2007-12-06 | 2009-06-11 | Byung Chun Park | Non-power apparatus for controlling descent |
| CN103830853A (en) * | 2014-03-03 | 2014-06-04 | 青岛亿和海丽安防科技有限公司 | Self-return type coaxial descent control device |
| CN104069592A (en) * | 2014-07-18 | 2014-10-01 | 徐德峰 | High-rise safe escape device |
| CN206526416U (en) * | 2017-02-16 | 2017-09-29 | 东北大学 | A kind of high-rise descent control device |
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|---|---|
| CN108031018A (en) | 2018-05-15 |
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