CN103223212B - Self-locking high-altitude rope descending device and rope descending system - Google Patents
Self-locking high-altitude rope descending device and rope descending system Download PDFInfo
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- CN103223212B CN103223212B CN201310188864.6A CN201310188864A CN103223212B CN 103223212 B CN103223212 B CN 103223212B CN 201310188864 A CN201310188864 A CN 201310188864A CN 103223212 B CN103223212 B CN 103223212B
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- locking cam
- friction lever
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- 238000005452 bending Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 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
- 238000004804 winding 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
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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
Patent application of the present invention relates to the device declined safely along rope when a kind of high-altitude building emergency escape or field high altitude operation, the high-altitude rope falling unit of especially a kind of energy self-locking, and provides the rope of a kind of energy self-locking to fall system.
Background technology
Modern building has more and more higher trend, people utilize elevator to carry out up and down from skyscraper usually, but once run into emergency, such as fire and earthquake, elevator likely can not use, how to allow the personnel being in eminence quick, ground is dropped to safely from high-rise or high-altitude, it is the engineers and technicians institute problems faced of a lot of high building secure context, there are many patented technologies in this respect, such as CN1047809A discloses a kind of safety controller for fleeing from high building, the rope of decline to be stopped wheel by fixedly to stop for a pair wheel and a pair brake lever, utilize wheel of stopping to the clamping of rope and loosen the speed controlling user of service and glide on rope, the maximum weak point of this safety governor is to need bending for rope wearing to stop between wheel around four when using, article one, can only disposable decline one person-time when rope uses, the service efficiency of rope is not high, easily delay personnel on high building and arrive the time on ground, CN102821817A discloses a kind of wiring lowering means, can on same rope simultaneously many people of downhill race in turn, this device weak point is just to provide when rope tension enough frictional force successfully to decline along rope for user of service, it needs to be equipped with the rope tightened, and therefore the scope of application is restricted.Aforementioned two kinds of rope falling units all can not realize auto-lock function in emergency circumstances.
Summary of the invention
Not high for overcoming the efficiency existed in prior art, require higher to service condition, in emergency circumstances can not the shortcoming of 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, a side edge bending of described main body becomes the accommodating groove holding rope, described accommodating groove has pin-and-hole, lock pin is inserted in pin-and-hole, described main body there is a hook hole, described self-locking cam and friction lever are co-axially mounted on the fixed axis in described main body, be arranged on spring action on described fixed axis on described self-locking cam, self-locking cam is made to have the trend extruded towards accommodating groove.
Described self-locking cam or friction lever have an elastic component, and when friction lever is when accommodating groove is close, elastic component transmits friction lever to the pressure of self-locking cam, makes self-locking cam have trend away from accommodating groove.
The working face of described self-locking cam has sawtooth, the irregular groove of tool on the working face of described friction lever, these sawtooth and groove all for increasing the real contact area of self-locking cam or friction lever and rope, thus reach the effect of increasing friction force.
The working face of described self-locking cam and friction lever is curved, for increasing the real contact area of self-locking cam or friction lever and rope, thus reaches the effect of increasing friction force.
Described lock pin comprises round platform, cylinder, pin and portable plate, and portable plate is arranged on the opening part of cylindrical upper portion, and pin, through the U-shaped hole of portable plate, makes portable plate both can be upright along the axis direction of cylinder, can the axis direction of vertical cylinder lie down again.
The present invention provides the rope of a kind of energy self-locking to fall system simultaneously, comprises fixing foot rest, rope, safety harness and snap close, also comprises the high-altitude downhill race device of aforementioned energy self-locking.
The high-altitude rope falling unit of energy self-locking of the present invention and rope system of falling in use has a lot of advantage, as long as use the front accommodating groove be pressed into by rope in main body, does not need to make the bending winding of rope, therefore has advantage simple to operate; In use procedure, rope one end can be freely, also can make tensioning, therefore have applied range, a less demanding advantage of service condition; When rope holding capacity is enough (such as rope is cable wire), can multiple user continuously in turn and under, and do not need once can only 1 people to use as traditional rope falling unit, the efficiency that rope falls like this promotes greatly, therefore has efficient advantage; User of service when injured or unable operating rope falling unit, self-locking cam plays the effect be locked in by rope falling unit on rope, thus the personal safety of protection user of service, there is the advantage of safe self-locking.
Accompanying drawing explanation
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
Detailed description of the invention
Below in conjunction with accompanying drawing, structure of the present invention and application are further described.
As shown in Figure 1, mark 1 is main body, and 2 is 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, in order to alleviate the weight of main body 1 and increase the safety in utilization of rope falling unit, aluminium alloy after usual forging and stamping manufactures main body 1, a side edge bending of main body 1 becomes the accommodating groove 8 holding rope 9, the bottom land of accommodating groove 8 manufactures arc, to wrap up the surface of rope 9 more thus increasing friction force, false tripping accommodating groove 8 can not be gone out in order to ensure in use rope 9, pin-and-hole is had in one end of accommodating groove 8 or two ends, and in use insert lock pin 10, rope 9 is limited in accommodating groove 8.Hook hole 3 is had in the bottom of main body 1, for hang with user with it snap close (the such as ring lock that is connected of safety harness, not shown), self-locking cam 2 and friction lever 7 are co-axially mounted on fixed axis 5, fixed axis 5 arranges a side edges corresponding to accommodating groove 8 opening on the body 1, fixed axis 5 is fixed with spring 4, spring 4 part is close on self-locking cam 2, the resilient force of spring 4 is on self-locking cam 2, self-locking cam 2 is made to have the trend extruded towards accommodating groove 8, if do not have opposite force to be applied on self-locking cam 2, self-locking cam 2 will extrude to rope 9, rope 9 moment is made to be in the self-locking position of rope falling unit, rope 9 is squeezed in accommodating groove 8 by self-locking cam 2, huge frictional force makes user can be suspended on rope 9, and can not automatically glide.In order to avoid palm is hindered in the high blanching produced in decline process, cover one deck heat-barrier material (not shown) at the hand-holding part of the top of body 1 and friction lever 7, such as thermal insulating paper, micro-nano thermal insulation board etc.
Fig. 2 shows the details of the working face a of self-locking cam 2, working face a is curved, and surface has a lot of sawtooth, during work, because being close to the resilient force of the spring 4 on self-locking cam 2 surface, self-locking cam 2 has the trend extruded towards accommodating groove 8, these sawtooth are so just allowed to have touched the surface of rope 9, because rope frictional force upward causes self-locking cam 2 to rotate around fixed axis 5, self-locking cam 2 has more part to enter accommodating groove 8, the space of continuous compression rope 9, thus make sawtooth bite rope 9 surface, huge frictional force makes together with rope 9 fits tightly with self-locking cam 2, like this, rope falling unit is just static to be suspended on rope 9, thus achieve self-locking.
Fig. 3 shows 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, the working face b of arc produces concavo-convex groove, thus strengthen the frictional force of friction lever 7 and rope 9, during work, user holds top and the friction lever 7 of main body 1 with palm simultaneously, the working face b of friction lever 7 is made to enter accommodating groove 8 and extrude rope 9, along with the increase of grip, it is darker that friction lever 7 working face b enters accommodating groove 8, the frictional force of friction lever 7 pairs of ropes 9 is also larger, the weight of user's (load) is born primarily of the frictional force of friction lever 7 with rope 9, simultaneously, elastomer between friction lever 7 and self-locking cam 26 pairs of self-locking cams 2 extrude, self-locking cam 2 is made to have the trend leaving accommodating groove 8, after the frictional force provided by friction lever 7 when whole load is born, frictional force on self-locking cam 2 disappears, and due to the extruding force that elastomer 6 transmits, self-locking cam 2 is made to leave rope 9, the self-locking releasing of high-altitude rope falling unit, user slightly can adjust the grip force of palm to friction lever 7, thus realize gliding along rope 9 with suitable speed.
In order to avoid friction lever 7 plays blanketing to the self-locking of self-locking cam 2 in not by palm grip, another one spring (not shown) can be installed on fixed axis 5, one end of this spring is close on friction lever 7, makes friction lever 7 centered by the central shaft of fixed axis 5, has rotating tendency away from accommodating groove 8.
Fig. 4 shows the schematic diagram of lock pin 10, lock pin 10 have employed the form of energy fast insert-pull, it comprises round platform 11, cylinder 12, pin 13 and portable plate 14, portable plate 14 is arranged on the opening part on cylinder 12 top, pin 13 is through the U-shaped hole 15 of portable plate 14, make portable plate 14 both can be upright along the axis direction of cylinder 12, can the axis direction of vertical cylinder 12 lie down again.When portable plate 14 is upright along the axis direction of cylinder 12, pin 13 is near the lower dead center c in U-shaped hole 15, and lock pin 10 can through the pin-and-hole in main body 1; When portable plate 14 is lied down at the axis direction of vertical cylinder 12, lock pin 10 can not through the pin-and-hole in main body 1.In use, when needs insert lock pin 10, upright for portable plate 14, through the pin-and-hole in main body 1, then portable plate 14 is lied down, pull portable plate 14, make pin 13 near the top dead centre d in U-shaped hole 15, so just achieve lock pin 10 Fast Installation on the body 1; When lock pin 10 extracted by needs, pull portable plate 14, make the lower dead center c in U-shaped hole 15 near pin 13, portable plate 14 is upright, allow lock pin 10 entirety depart from pin-and-hole in main body 1, thus realize 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 to (not shown) on body 1 by rope or chain or other modes, can realize fast insert-pull so in operation, and lock pin 10 is also not easy to lose.
embodiment
When needs use rope falling unit to fall from window, roof or cliff equal-height position rope, one end of rope 9 is fastened on as fixing foot rest, large tree tree bar bottom etc. can carry on the fixture of larger load by user, and under the other end of rope 9 is thrown; Transfer to from accommodating groove 8 with the self-locking cam 2 of finger by rope falling unit, and rope 9 is pressed in accommodating groove 8, release self-locking cam 2, leaving, rope falling unit is self-locking on rope 9 by it, two lock pins 10 are inserted in two pin-and-holes at main body about 1 two ends respectively and (also can make multiple pin-and-hole and lock pin), and pull the portable plate 14 on lock pin 10, the top dead centre d in U-shaped hole 15 on portable plate 14 is drawn to the position near pin 13, guarantees that rope 9 can not jump out accommodating groove 8 in decline process; User puts on safety harness, is hung in the hook hole 3 of main body 1 by snap close (such as ring lock).The preparation of such decline is ready, then user holds top and the friction lever 7 of main body 1 simultaneously with the palm of a hand, the working face b of friction lever 7 is made to enter accommodating groove 8 and extrude rope 9, the frictional force enough supporting user's body wt is provided, and self-locking cam 2 is because by the extruding of elastomer 6, away from accommodating groove 8, at this moment self-locking cam 2 is inoperative by friction lever 7.User departs from the support of underfooting, and the slight grip reducing palm, such user declines with certain speed with rope falling unit simultaneously.When decline way in user be in an emergency such as user injure unexpectedly or confused fault and unable hold friction lever 7 time, friction lever 7 is disappeared by the extruding force of elastomer 6 pairs of self-locking cams 2, thus under the effect of spring 4, self-locking cam 2 forwards self-locking position to, rope falling unit is made to be fixed on rope 9, thus guarantee that user can not continue tenesmus, avoid accidental falling and the injures and deaths that produce.
As long as in use rope 9 to be pressed into the accommodating groove 8 in main body 1 due to this high-altitude rope falling unit, do not need to make the bending winding of rope, therefore when rope 9 holding capacity is enough (such as rope 9 is cable wires), multiple user can use rope falling unit along rope continuously in turn and under, and do not need once can only 1 people to use as traditional rope falling unit, the efficiency that such rope falls promotes greatly, in case of emergency, adds the probability of user of service's escape.
In order to the usefulness of the high-altitude rope falling unit of energy self-locking can be given full play to, need some matching used utensils, here provide the rope of a whole set of energy self-locking to fall system, comprise fixing foot rest, rope, safety harness and snap close, also comprise the high-altitude downhill race device of aforementioned energy self-locking.Fixing foot rest is for being fixed on the firm place of room or roof or cliff, such as by fot screw or setscrew, fixing foot rest is fixed, rope is fastened on fixing foot rest, rope adopts static(al) rope usually, its cross section can be circular or rectangle, the rectangular static(al) rope of preferred use, this rope can coordinate well with high-altitude rope falling unit, does not need very large curable grip just can produce enough large frictional force.Safety harness is for ensureing that user is in the safety of falling in process of restricting, and by snap close, safety harness can be hung in the hook hole of high-altitude rope falling unit, the entire weight of such user carrys out load by falling unit of restricting, instead of carrys out load by the arm of user.
High building in densely populated place region such as office building or factory can consider to adopt cable wire, concrete grammar arranges fixing cable wire capstan winch at roof or certain primary location, at ordinary times cable wire is wrapped on capstan winch, when it is desired to be used cable wire one end is fixed on capstan winch, other parts are from high building throwing, personnel's staff safety harness, snap close and can the high-altitude rope falling unit of self-locking upstairs, then in order quick along cable wire under, arrive region or the ground of safety.
Above content is in conjunction with the explanation made for the present invention of concrete preferred embodiment; can not assert that the specific embodiment of the present invention is only limitted to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deductions and replacement can also be made, all will be considered as the determined protection domain of claims belonging to the present invention's submission.
Claims (7)
1. the high-altitude rope falling unit of an energy self-locking, comprise main body (1), self-locking cam (2) and friction lever (7), a side edge bending of described main body (1) becomes the accommodating groove (8) holding rope (9), described accommodating groove (8) has pin-and-hole, lock pin (10) is inserted in pin-and-hole, described main body (1) there is a hook hole (3), it is characterized in that: described self-locking cam (2) and friction lever (7) are co-axially mounted on the fixed axis (5) in described main body (1), the spring (4) be arranged on described fixed axis (5) acts on described self-locking cam (2), self-locking cam (2) is made to have the trend extruded towards accommodating groove (8).
2. the high-altitude rope falling unit of a kind of energy as claimed in claim 1 self-locking, it is characterized in that: described self-locking cam (2) or friction lever (7) have an elastic component (6), when friction lever (7) is close to accommodating groove (8), elastic component (6) transmits friction lever (7) to the pressure of self-locking cam (2), makes self-locking cam (2) have trend away from accommodating groove (8).
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: the working face (a) of described self-locking cam (2) has sawtooth, the upper irregular groove of tool of working face (b) of described friction lever (7), these sawtooth and groove all for increasing the real contact area of self-locking cam (2) or friction lever (7) and rope (9), thus reach the effect of increasing friction 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 increase the real contact area of self-locking cam (2) or friction lever (7) and rope (9), thus reach the effect of increasing friction force.
5. the high-altitude rope falling unit of a kind of energy self-locking as described in claim 1 or 2 or 4, 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 arranged on the opening part on cylinder (12) top, pin (13) is through the U-shaped hole (15) of portable plate (14), make portable plate (14) both can be upright along the axis direction of cylinder (12), can the axis direction of vertical cylinder (12) lie down again.
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 arranged on the opening part on cylinder (12) top, pin (13) is through the U-shaped hole (15) on portable plate (14), make portable plate (14) both can be upright along the axis direction of cylinder (12), can the axis direction of vertical cylinder (12) lie down again.
7. a system falls in the rope of energy self-locking, comprises fixing foot rest, rope, safety harness and snap close, it is characterized in that: the high-altitude rope falling unit also comprising the energy self-locking as described in aforementioned any one 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 CN103223212A (en) | 2013-07-31 |
| CN103223212B true CN103223212B (en) | 2015-03-25 |
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| 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 |
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| Country | Link |
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| CN (1) | CN103223212B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110314293B (en) * | 2019-05-30 | 2020-10-30 | 丁乃祥 | Self-locking rope buckle |
| 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 |
| 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 |
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 |
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| CN103223212A (en) | 2013-07-31 |
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