CN103223212A - Self-locking high-altitude rope descending device - Google Patents
Self-locking high-altitude rope descending device Download PDFInfo
- Publication number
- CN103223212A CN103223212A CN2013101888646A CN201310188864A CN103223212A CN 103223212 A CN103223212 A CN 103223212A CN 2013101888646 A CN2013101888646 A CN 2013101888646A CN 201310188864 A CN201310188864 A CN 201310188864A CN 103223212 A CN103223212 A CN 103223212A
- Authority
- CN
- China
- Prior art keywords
- self
- rope
- locking
- locking cam
- friction lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000694 effects Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 239000000806 elastomer Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010033546 Pallor Diseases 0.000 description 1
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 241000422846 Sequoiadendron giganteum Species 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
Images
Landscapes
- Emergency Lowering Means (AREA)
Abstract
The invention provides a self-locking high-altitude rope descending device which comprises a main body 1, a self-locking cam 2 and a friction lever 7, wherein one side edge of the main body 1 is bent into a containing groove 8 used for containing a rope 9; the containing groove 8 is provided with a pin hole; a lock pin 10 is inserted into the pin hole; the main body 1 is provided with a hook hole 3; the self-locking cam 2 and the friction lever 7 are coaxially arranged on the fixed axis 5 positioned on the main body 1; and a spring 4 arranged on the fixed axis 5 acts on the self-locking cam 2 so that the self-locking cam 2 trends to extrude towards the containing groove 8. The self-locking high-altitude rope descending device provided by the invention has the advantages of easiness for operation, wide application range, low usage condition requirement, high rope descending efficiency and self-locking safety. The invention also provides a self-locking rope descending system.
Description
Technical field
Device when patent application of the present invention relates to a kind of high-altitude building emergency escape or open-air work high above the ground along the decline of rope safety, the high-altitude rope falling unit of especially a kind of energy self-locking, and provide the rope of a kind of energy self-locking to fall system.
Background technology
Modern building has more and more higher trend, people utilize about elevator carries out from skyscraper usually, but in case run into emergency, for example fire and earthquake, elevator might be able to not use, how to allow the personnel that are in eminence quick, drop to ground from high level or high-altitude safely, it is the problem that engineers and technicians faced of a lot of high building secure contexts, many patented technologies are arranged in this respect, for example CN1047809A discloses a kind of safety controller for fleeing from high building, the rope of decline usefulness is by a pair of wheel and a pair of brake lever wheel of stopping fixedly stopped, utilization is stopped wheel to the clamping of rope with loosen the speed of user of service in the rope slide down of controlling, the rope bending need be worn when the weak point of this safety governor maximum is to use around four and stop between the wheel, article one, can only disposable decline when rope uses one person-time, the service efficiency of rope is not high, delays the time that personnel on the high building arrive ground easily; CN102821817A discloses a kind of wiring lowering means, can be on same rope many people of downhill race in turn simultaneously, this device weak point is that the frictional force that must just can provide enough under the situation of rope tension successfully descends along rope for the user of service, it need be equipped with the rope of tightening, so the scope of application is restricted.Aforementioned two kinds of rope falling units all can not be realized auto-lock function in emergency circumstances.
Summary of the invention
Not high for overcoming the efficient that exists in the prior art, service condition is had relatively high expectations, shortcoming that in emergency circumstances can not self-locking, the invention provides the high-altitude rope falling unit of a kind of energy self-locking, comprise main body, self-locking cam and friction lever, side bending a becoming accommodating groove that holds rope of described main body, described accommodating groove has pin-and-hole, insert lock pin in the pin-and-hole, a hook hole is arranged on the described main body, described self-locking cam and friction lever are co-axially mounted on the fixed axis on the described main body, be installed in spring action on the described fixed axis on described self-locking cam, make the self-locking cam have towards the trend of accommodating groove extruding.
Have an elastic component on described self-locking cam or the friction lever, when friction lever to accommodating groove near the time, elastic component transmits the pressure of friction lever to the self-locking cam, makes the self-locking cam that the trend away from accommodating groove be arranged.
Have sawtooth on the working face of described self-locking cam, have concavo-convex groove on the working face of described friction lever, these sawtooth and groove all are used to increase the real contact area of self-locking cam or friction lever and rope, thereby reach the effect that increases frictional force.
The working face of described self-locking cam and friction lever is curved, is used to increase the real contact area of self-locking cam or friction lever and rope, thereby reaches the effect that increases frictional force.
Described lock pin comprises round platform, cylinder, pin and portable plate, and portable plate is installed in the opening part on cylinder top, and pin passes the U-shaped hole of portable plate, makes that portable plate both can be upright along the axis direction of cylinder, and axis direction that again can vertical cylinder is lied down.
The present invention provides the rope of a kind of energy self-locking to fall system simultaneously, comprises fixedly foot rest, rope, safety harness and snap close, also comprises the high-altitude downhill race device of aforementioned energy self-locking.
The present invention can self-locking high-altitude rope falling unit and the rope system of falling in use have a lot of advantages, as long as rope is pressed into accommodating groove in the main body, do not need to make that rope is crooked reels before using, so have advantage simple to operate; Rope one end can be freely in the use, also can make tensioning, therefore has applied range, the less demanding advantage of service condition; Under the enough situation of rope holding capacity (for example rope is a cable wire), can a plurality of users descend in turn continuously, and do not need as traditional rope falling unit, once can only 1 people to use, the rope efficient of falling promotes greatly like this, so has advantage efficiently; In the injured or unable operation rope of user of service falling unit, the self-locking cam plays the rope falling unit is locked in effect on the rope, thereby protection user of service's personal safety has the advantage of safe self-locking.
Description of drawings
Fig. 1 is the assembling schematic diagram of an embodiment of the present invention
Fig. 2 is the schematic diagram of self-locking cam of the present invention
Fig. 3 is the schematic diagram of friction lever of the present invention
Fig. 4 is the schematic diagram of lock pin of the present invention
The specific embodiment
Below in conjunction with accompanying drawing, structure of the present invention and application are further described.
As shown in Figure 1, mark 1 is a main body, and 2 are the self-locking cam, and 3 is hook hole, and 4 is spring, and 5 is fixed axis, and 6 is elastomer, and 7 is friction lever, and 8 is accommodating groove, and 9 is rope, and 10 is lock pin.
The high-altitude rope falling unit of energy self-locking has a main body 1, for weight that alleviates main body 1 and the safety in utilization that increases the rope falling unit, usually make main body 1 with the aluminium alloy after the forging and pressing, side bending a becoming accommodating groove 8 that holds rope 9 of main body 1, the bottom land of accommodating groove 8 manufactures arc, thereby increase frictional force with the surface of wrapping up rope 9 more, can not jump out accommodating groove 8 in order to ensure rope 9 in use by mistake, an end or two ends at accommodating groove 8 have pin-and-hole, and in use insert lock pin 10, make rope 9 be limited in the accommodating groove 8.Have hook hole 3 in the bottom of main body 1, be used to hang the snap close that safety harness is connected on one's body the user (ring lock for example, not shown), self-locking cam 2 is co-axially mounted on the fixed axis 5 with friction lever 7, fixed axis 5 is arranged near the side of accommodating groove 8 opening correspondences on the main body 1, be fixed with spring 4 on the fixed axis 5, spring 4 parts are close on the self-locking cam 2, the resilient force of spring 4 is on self-locking cam 2, make self-locking cam 2 have towards the trend of accommodating groove 8 extruding, if there is not opposite force to be applied on the self-locking cam 2, self-locking cam 2 will push to rope 9, make rope 9 be in the self-locking position of rope falling unit constantly, and self-locking cam 2 is squeezed in rope 9 in the accommodating groove 8, huge frictional force makes the user can be suspended on the rope 9, and can not glide automatically.Hinder palm for fear of the high blanching that in the decline process, produces, cover one deck heat-barrier material (not shown), for example insulation paper, micro-nano thermal insulation board etc. on the top of body 1 and the hand-holding part of friction lever 7.
Fig. 2 has shown the details of the working face a of self-locking cam 2, working face a is curved, and the surface has a lot of sawtooth, during work, because of being close to the resilient force of the spring 4 on self-locking cam 2 surfaces, self-locking cam 2 has towards the trend of accommodating groove 8 extruding, so just allow these sawtooth touch the surface of rope 9, because rope frictional force up causes self-locking cam 2 and rotates around fixed axis 5, self-locking cam 2 has more part to enter accommodating groove 8, constantly compress the space of rope 9, thereby make sawtooth bite rope 9 surfaces, huge frictional force makes rope 9 fit tightly with self-locking cam 2 to be in the same place, like this, the rope falling unit is suspended on the rope 9 with regard to static, thereby has realized self-locking.
Fig. 3 has shown the schematic diagram of friction lever 7, the working face b of friction lever 7 is curved, in order to increase effective contact area of working face b and rope 9, produce concavo-convex groove on the working face b of arc, thereby strengthen the frictional force of friction lever 7 and rope 9, during work, the user holds the top and the friction lever 7 of main body 1 simultaneously with palm, make the working face b of friction lever 7 enter accommodating groove 8 and extruding rope 9, increase along with grip, it is dark more that friction lever 7 working face b enter accommodating groove 8, the frictional force of 7 pairs of ropes 9 of friction lever is also big more, user's's (load) weight is mainly born by the friction lever 7 and the frictional force of rope 9, simultaneously, 6 pairs of self-locking cams 2 of elastomer between friction lever 7 and the self-locking cam 2 push, make self-locking cam 2 that the trend of leaving accommodating groove 8 be arranged, after the frictional force that whole loads are provided by friction lever 7 is born, frictional force on the self-locking cam 2 disappears, and because the extruding force that elastomer 6 transmits, make self-locking cam 2 leave rope 9, the self-locking releasing of high-altitude rope falling unit, the user can slightly adjust the grip force of palm to friction lever 7, thereby realizes gliding along rope 9 with proper speed.
When being subjected to the palm grip, the self-locking of self-locking cam 2 is not played blanketing for fear of friction lever 7, another one spring (not shown) can be installed on fixed axis 5, one end of this spring is close on the friction lever 7, makes friction lever 7 be the center, the rotation trend away from accommodating groove 8 arranged with the central shaft of fixed axis 5.
Fig. 4 has shown the schematic diagram of lock pin 10, lock pin 10 has adopted the form of energy fast insert-pull, it comprises round platform 11, cylinder 12, pin 13 and portable plate 14, portable plate 14 is installed in the opening part on cylinder 12 tops, pin 13 passes the U-shaped hole 15 of portable plate 14, make that portable plate 14 both can be upright along the axis direction of cylinder 12, axis direction that again can vertical cylinder 12 is lied down.When portable plate 14 was upright along the axis direction of cylinder 12, pin 13 was near the lower dead center c in U-shaped hole 15, and lock pin 10 can pass the pin-and-hole on the main body 1; When portable plate 14 when the axis direction of vertical cylinder 12 is lied down, lock pin 10 can not pass the pin-and-hole on the main body 1.In use, when needs insert lock pin 10, upright portable plate 14, pass the pin-and-hole on the main body 1, then portable plate 14 is lied down, pulling portable plate 14, make pin 13 near the top dead centre d in U-shaped holes 15, so just realized the Fast Installation of lock pin 10 on main body 1; When needs were extracted lock pin 10, pulling portable plate 14 makes the lower dead center c in U-shaped hole 15 near pin 13, and was upright portable plate 14, allowed the lock pin 10 whole pin-and-holes that break away from the main bodys 1, thereby realized extracting fast of lock pin 10.Lock pin 10 is a kind of important component parts of rope falling unit, in actual applications, lock pin 10 is connected (not shown) on the body 1 by rope or chain or other modes, can realize fast insert-pull like this in operating process, and lock pin 10 also is not easy to lose.
Embodiment
When needs use the rope falling unit when window, roof or cliff equal-height position rope fall, the user is fastened on an end of rope 9 as fixedly foot rest, big tree tree bar bottom etc. carrying on the fixture of bigger load, and under the other end throwing with rope 9; Transfer to from accommodating groove 8 with the self-locking cam 2 of pointing the falling unit of to restrict, and rope 9 is pressed in the accommodating groove 8, discharge self-locking cam 2, its falling unit of will restricting of leaving is self-locking on the rope 9, two lock pins 10 are inserted respectively in two pin-and-holes at main body two ends about in the of 1 (also can make a plurality of pin-and-holes and lock pin), and the portable plate 14 on the pulling lock pin 10, with the position that the top dead centre d in U-shaped hole 15 on the portable plate 14 is drawn to close pin 13, guarantee that rope 9 can not jumped out accommodating groove 8 in the decline process; The user puts on safety harness, and snap close (for example ring lock) is hung in the hook hole 3 of main body 1.The preparation of Xia Jianging is ready like this, the user holds the top and the friction lever 7 of main body 1 simultaneously with the palm of a hand then, make the working face b of friction lever 7 enter accommodating groove 8 and extruding rope 9, the frictional force that enough supports user's body wt is provided, and self-locking cam 2 is because away from accommodating groove 8, at this moment self-locking cam 2 is inoperative by the extruding of elastomer 6 by friction lever 7.The user breaks away from the support of underfooting, and slightly reduces the grip of palm, and the user descends with certain speed simultaneously with the rope falling unit like this.When user in the way that descends be in an emergency that for example the user injures unexpectedly or dusk fault and unable when holding friction lever 7, friction lever 7 disappears by the extruding force of 6 pairs of self-locking cams 2 of elastomer, thereby under the effect of spring 4, self-locking cam 2 forwards self-locking position to, make the rope falling unit be fixed on the rope 9, thereby guarantee that the user can not continue tenesmus, avoids accidental falling and the injures and deaths that produce.
Because this high-altitude rope falling unit is in use as long as be pressed into accommodating groove 8 in the main body 1 with rope 9, do not need to make the crooked coiling of rope, therefore under the enough situation of rope 9 holding capacity (for example rope 9 is cable wires), a plurality of users can use the rope falling unit to descend in turn continuously along rope, and do not need as traditional rope falling unit, once can only 1 people to use, the efficient of falling of restricting like this promotes greatly, in case of emergency, has increased the probability of user of service's escape.
In order to give full play to the usefulness of high-altitude rope falling unit that can self-locking, need some matching used utensils, here provide the rope of a whole set of energy self-locking to fall system, comprise fixedly foot rest, rope, safety harness and snap close, also comprise the high-altitude downhill race device of aforementioned energy self-locking.Fixedly foot rest is used for fixing in the room or the firm place of roof or cliff, for example by fot screw or setscrew fixedly foot rest fix, rope is fastened on fixedly on the foot rest, rope adopts the static(al) rope usually, its cross section can be circular or rectangle, preferred use rectangular static(al) rope, this rope can cooperate well with the high-altitude falling unit of restricting, and does not need very big curable grip just can produce enough big frictional force.Safety harness is used to ensure that the user falls process safe at rope, by snap close, safety harness can be hung in the hook hole of high-altitude rope falling unit, and user's whole body weight is loaded by the rope falling unit like this, rather than is loaded by user's arm.
Can consider to adopt cable wire at the high building of personnel's close quarters such as office building or factory, concrete grammar is at roof or certain primary location fixing cable wire capstan winch to be set, at ordinary times cable wire is wrapped on the capstan winch, when needs use, cable wire one end is fixed on the capstan winch, other parts are thrown down from high building, the high-altitude rope falling unit of safety harness of personnel's staff, snap close and energy self-locking upstairs descends along cable wire then in order fast, arrives the zone or the ground of safety.
Above content is to explanation that the present invention did in conjunction with concrete optimal way; can not assert that the specific embodiment of the present invention only limits to this; for the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deductions and replacement, all will be considered as belonging to the determined protection domain of claims that the present invention submits to.
Claims (7)
1. the high-altitude of energy self-locking rope falling unit, comprise main body 1, self-locking cam 2 and friction lever 7, side bending a becoming accommodating groove 8 that holds rope 9 of described main body 1, described accommodating groove 8 has pin-and-hole, insert lock pin 10 in the pin-and-hole, a hook hole 3 is arranged on the described main body 1, it is characterized in that: described self-locking cam 2 and friction lever 7 are co-axially mounted on the fixed axis 5 on the described main body 1, the spring 4 that is installed on the described fixed axis 5 acts on the described self-locking cam 2, makes self-locking cam 2 have towards the trend of accommodating groove 8 extruding.
2. the high-altitude rope falling unit of a kind of energy as claimed in claim 1 self-locking, it is characterized in that: have an elastic component 6 on described self-locking cam 2 or the friction lever 7, when friction lever 7 to accommodating groove 8 near the time, elastic component 6 transmits the pressure of 7 pairs of self-locking cams 2 of friction lever, makes self-locking cam 2 that the trend away from accommodating groove 8 be arranged.
3. the high-altitude rope falling unit of a kind of energy as claimed in claim 1 or 2 self-locking, it is characterized in that: have sawtooth on the working face a of described self-locking cam 2, has concavo-convex groove on the working face b of described friction lever 7, these sawtooth and groove all are used to increase the real contact area of self-locking cam 2 or friction lever 7 and rope 9, thereby reach the effect that increases frictional force.
4. the high-altitude rope falling unit of a kind of energy as claimed in claim 3 self-locking, it is characterized in that: the working face (a of described self-locking cam 2 and friction lever 7, b) curved, thus the real contact area of increase self-locking cam 2 or friction lever 7 and rope 9, thus reach the effect that increases frictional force.
5. as claim 1 or 2 or 4 described a kind of high-altitude rope falling units that can self-lockings, it is characterized in that: described lock pin 10 is made up of round platform 11, cylinder 12, pin 13 and portable plate 14, portable plate 14 is installed in the opening part on cylinder 12 tops, pin 13 passes the U-shaped hole 15 of portable plate 14, make that portable plate 14 both can be upright along the axis direction of cylinder 12, axis direction that again can vertical cylinder 12 is lied down.
6. the high-altitude rope falling unit of a kind of energy as claimed in claim 3 self-locking, it is characterized in that: described lock pin 10 comprises round platform 11, cylinder 12, pin 13 and portable plate 14, portable plate 14 is installed in the opening part on cylinder 12 tops, pin 13 passes the U-shaped hole 15 on the portable plate 14, make that portable plate 14 both can be upright along the axis direction of cylinder 12, axis direction that again can vertical cylinder 12 is lied down.
7. system falls in the rope of an energy self-locking, comprises fixedly foot rest, rope, safety harness and snap close, it is characterized in that: the high-altitude downhill race device that also comprises the self-locking of the described energy of any as described above claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310188864.6A CN103223212B (en) | 2013-05-21 | 2013-05-21 | Self-locking high-altitude rope descending device and rope descending system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310188864.6A CN103223212B (en) | 2013-05-21 | 2013-05-21 | Self-locking high-altitude rope descending device and rope descending system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103223212A true CN103223212A (en) | 2013-07-31 |
| CN103223212B CN103223212B (en) | 2015-03-25 |
Family
ID=48833999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310188864.6A Expired - Fee Related CN103223212B (en) | 2013-05-21 | 2013-05-21 | Self-locking high-altitude rope descending device and rope descending system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103223212B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823809A (en) * | 2017-10-24 | 2018-03-23 | 中车山东机车车辆有限公司 | A kind of safely controllable escaping rope |
| CN110314293A (en) * | 2019-05-30 | 2019-10-11 | 丁乃祥 | Self-locking rope back buckle |
| CN112075363A (en) * | 2020-09-08 | 2020-12-15 | 刘洪江 | Honeydew collector for picking cliff bee cakes |
| CN116510199A (en) * | 2023-06-28 | 2023-08-01 | 江苏锐金钢丝绳索具有限公司 | Connecting device of steel wire rope |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2211833Y (en) * | 1995-02-25 | 1995-11-08 | 吴策 | Fire lifesaving device |
| CN101125235A (en) * | 2007-09-21 | 2008-02-20 | 沈阳工业大学 | Free Fall Slow Down Mechanism |
| CN101843960A (en) * | 2010-05-17 | 2010-09-29 | 宜昌三大机械厂 | Slow-down cam euphroe |
| CN201862169U (en) * | 2010-11-19 | 2011-06-15 | 西安电力机械厂检修安装分厂 | T-track type follow-up anti-falling device |
| CN203264088U (en) * | 2013-05-21 | 2013-11-06 | 何军华 | Self-locking high altitude rope-descending device and self-locking rope-descending system |
-
2013
- 2013-05-21 CN CN201310188864.6A patent/CN103223212B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2211833Y (en) * | 1995-02-25 | 1995-11-08 | 吴策 | Fire lifesaving device |
| CN101125235A (en) * | 2007-09-21 | 2008-02-20 | 沈阳工业大学 | Free Fall Slow Down Mechanism |
| CN101843960A (en) * | 2010-05-17 | 2010-09-29 | 宜昌三大机械厂 | Slow-down cam euphroe |
| CN201862169U (en) * | 2010-11-19 | 2011-06-15 | 西安电力机械厂检修安装分厂 | T-track type follow-up anti-falling device |
| CN203264088U (en) * | 2013-05-21 | 2013-11-06 | 何军华 | Self-locking high altitude rope-descending device and self-locking rope-descending system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823809A (en) * | 2017-10-24 | 2018-03-23 | 中车山东机车车辆有限公司 | A kind of safely controllable escaping rope |
| CN110314293A (en) * | 2019-05-30 | 2019-10-11 | 丁乃祥 | Self-locking rope back buckle |
| CN112075363A (en) * | 2020-09-08 | 2020-12-15 | 刘洪江 | Honeydew collector for picking cliff bee cakes |
| CN112075363B (en) * | 2020-09-08 | 2022-05-27 | 湖北峰鹤生态农业有限公司 | Honeydew collector for picking cliff bee cakes |
| CN116510199A (en) * | 2023-06-28 | 2023-08-01 | 江苏锐金钢丝绳索具有限公司 | Connecting device of steel wire rope |
| CN116510199B (en) * | 2023-06-28 | 2023-09-08 | 江苏锐金钢丝绳索具有限公司 | Connecting device of steel wire rope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103223212B (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202478427U (en) | High building escape device | |
| CN103223212B (en) | Self-locking high-altitude rope descending device and rope descending system | |
| CN202590203U (en) | Anti-falling pole-winding assistant belt and anti-falling safety belt | |
| CN201168358Y (en) | Equipment for preventing falling-down | |
| CN102125733A (en) | Mechanical type descent control device for escaping from high-rise building | |
| CN203264088U (en) | Self-locking high altitude rope-descending device and self-locking rope-descending system | |
| CN202355718U (en) | High-altitude escape device | |
| CN2553834Y (en) | Self-control lifesaving back pack | |
| CN101843960A (en) | Slow-down cam euphroe | |
| CN103272339A (en) | High-altitude abseiling device and abseiling system | |
| CN101612455B (en) | High altitude escape device and descent speed control method thereof | |
| CN203699595U (en) | Double-rope material hoister | |
| CN202296674U (en) | Safety protection device for hoist | |
| CN203264071U (en) | Aerial rappelling device and rappelling system | |
| CN201283172Y (en) | Rescue rope | |
| RU2452537C2 (en) | Device for gravity chute of people | |
| CN203507341U (en) | Handheld rotary type slow descent control device | |
| CN204147446U (en) | High-rise fire escape apparatus | |
| CN201445716U (en) | Overhead escape device | |
| CN201164674Y (en) | Falling protector for aloft work on horizontal tightwire guiding rail | |
| CN202237083U (en) | Anti-falling protection climbing board | |
| CN204910533U (en) | Building escaping system | |
| CN202036708U (en) | Controllable escape rope | |
| CN202724499U (en) | Traction device using aircraft to rescue | |
| CN202464977U (en) | Elevator cable pulley protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20190521 |