CN203264071U - Aerial rappelling device and rappelling system - Google Patents

Abstract

The utility model provides an aerial rappelling device and a rappelling system. The aerial rappelling device comprises a main body (1), a self-locking cam (2), a compression bar (3), an upper lock pin (4), a rotating shaft (6), a reset spring (7) and a lower lock pin (8), wherein the main body (1) comprises a U-shaped containing trough (11) and a loading plate (13), an upper pin hole (18) and a lower pin hole (16) are formed in the containing trough (11) and are respectively inserted into the upper lock pin (4) and the lower lock pin (8) in a use process, a cam bracket (12) and a hanger hole (14) are arranged on/formed in the loading plate (13), the self-locking cam (2) is pivoted on the cam bracket (12) through the rotating shaft (6), the upper end of the compression bar (3) is pivoted on the upper lock pin (4), and a stirring block (35) is pivoted at the lower end of the compression bar (3) and presses a bump (21) on the self-locking cam (2) to enable the self-locking cam (2) to tend to be away from the containing trough (11); and the reset spring (7) mounted on the rotating shaft (6) acts on the self-locking cam (2) to enable the self-locking cam (2) to tend to be extruded toward the containing trough (11). The aerial rappelling device has the advantages of simplicity in operation, high rappelling efficiency, safety in self-locking and labor conservation. The utility model further provides the rappelling system.

Description

System falls in a kind of high-altitude rope falling unit and rope

Technical field

The device that descends safely along rope when the utility model patent application relates to a kind of high-altitude building emergency escape or field high altitude operation, especially a kind of labour-saving, high-altitude rope falling unit that can self-locking, and provide a kind of rope to fall system.

Background technology

modern building has more and more higher trend, people utilize elevator to carry out the up and down 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 the engineers and technicians of a lot of high building secure contexts face, 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 use 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 and loosen to control the speed that the user of service glides on rope, the rope bending need to be worn when the weak point of this safety governor maximum is to use around four and stop between wheel, article one, can only disposable decline when rope uses one person-time, the service efficiency of rope is not high, easily delay the time that personnel on high building arrive ground, 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 must be in the situation that rope tension just can provide enough frictional force successfully to descend along rope for the user of service, it need to 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 prior art, service condition is had relatively high expectations, shortcoming that in emergency circumstances can not self-locking, the utility model provides a kind of high-altitude rope falling unit, comprise main body, the self-locking cam, depression bar, latch-locking, rotating shaft, back-moving spring and lower lock pin, main body comprises accommodating groove and the load board of U-shaped, accommodating groove has pin-and-hole and lower pin-and-hole, upper pin-and-hole during use, insert respectively latch-locking and lower lock pin in lower pin-and-hole, Cam rest and hook hole are arranged on load board, the self-locking cam is journaled on Cam rest by rotating shaft, the depression bar upper end is journaled on latch-locking, the lower end pivot is equipped with a shifting block, projection during work on the described self-locking cam of this shifting block top pressure, make the self-locking cam that trend away from accommodating groove be arranged, be arranged on action of reset spring on described rotating shaft on described self-locking cam, make the self-locking cam have towards the trend of accommodating groove extruding.

The working face of described self-locking cam and depression bar is curved.

Have sawtooth or groove on the working face of described self-locking cam, have sawtooth or groove on the working face of described depression bar.

Described depression bar is comprised of multistage bar joint, and wherein last bar saves the lower end pivot and fills described shifting block.

Described latch-locking or lower lock pin are comprised of round platform, cylinder, pin and portable plate, portable plate is arranged on the opening part on cylinder top, pin passes the U-shaped hole of portable plate, makes the portable plate both can be upright along the axis direction of cylinder, and axis direction that again can vertical cylinder is lied down.

The utility model also provides a kind of high-altitude rope to fall system, comprises fixedly foot rest, rope, safety harness and snap close, also comprises high-altitude rope falling unit as the aforementioned.

The utility model high-altitude rope falling unit and the rope system of falling in use have a lot of advantages, as long as push the self-locking cam before using aside, rope is pressed into accommodating groove in main body, do not need to make the crooked coiling of rope, so have advantages of simple to operate; In use procedure, rope one end can be freely, can be also tensioning, therefore has applied range, the less demanding advantage of service condition; In the situation that rope holding capacity enough (for example rope is cable wire), can a plurality of users continuously in turn and under, and do not need once can only 1 people to use as traditional rope falling unit, the efficient of falling of restricting like this promotes greatly, thereby has efficient advantage; The user of service in injured or unable operating rope falling unit; the self-locking cam plays the rope falling unit is locked in effect on rope; thereby protection user of service's personal safety; has advantages of safe self-locking; in addition; because depression bar can provide rope pressure radially, therefore the user has the labour-saving advantage as long as just the rope falling unit can be fixed on rope with the less power of holding.

Description of drawings

Fig. 1 is the assembling schematic diagram of a kind of embodiment of the utility model;

Fig. 2 is the utility model agent structure schematic diagram;

Fig. 3 is the utility model self-locking cam, rotating shaft and back-moving spring assembling schematic diagram;

Fig. 4 is the schematic diagram of the utility model depression bar;

Fig. 5 is the schematic diagram of the utility model lock pin.

The specific embodiment

Below in conjunction with accompanying drawing, structure of the present utility model and application are further described.

Reference numeral in accompanying drawing 1-5 is respectively: stop the upper only zone of regional d-under 1-main body 2-self-locking cam 3-depression bar 4-latch-locking 5-rope 6-rotating shaft 7-back-moving spring 8-under lock pin 11-accommodating groove 12-Cam rest 13-load board 14-hook hole 15-lacing hole 16-under the upper pin-and-hole 19-lacing hole 21-projection 22-cam body 31-depression bar body 32-heat insulating mattress 33-lacing hole 34-depression bar axis hole 35-shifting block 36-rotating shaft 41-round platform 42-cylinder 43-pin 44-portable plate 45-U shape hole 46-lacing hole a-cam working face b-depression bar working face c-of pin-and-hole 17-heat insulating mattress 18-

as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, high-altitude rope falling unit has a main body 1, for the weight that alleviates main body 1 and the safety in utilization that increases the rope falling unit, usually adopt the aluminium alloy after forging and pressing to make main body 1, main body 1 appearance profile is L-shaped, an one side edge bending becomes the accommodating groove 11 that holds rope 5, the bottom land of accommodating groove 11 manufactures arc, thereby to wrap up more the surface increasing friction force of rope 5, can false tripping not go out accommodating groove 11 in order to ensure rope 5 in use, pin-and-hole 18 and lower pin-and-hole 16 on two ends have up and down at accommodating groove 11, in use insert respectively latch-locking 4 and lower lock pin 8, make rope 5 be limited in accommodating groove 11.Have hook hole 14 on the bottom of main body 1 load board 13, be used for to hang the snap close that safety harness is connected with it the user (ring lock for example, not shown), be provided with Cam rest 12 on load board 13, self-locking cam 2 is journaled on Cam rest 12 by rotating shaft 6, depression bar 3 upper ends are journaled on latch-locking 4 by depression bar axis hole 34, a shifting block 35 is equipped with by rotating shaft 36 pivots in the lower end, press with the palm bottom during work and set 35 ahead, drive this shifting block 35 tops and press projection 21 on self-locking cams 2, make self-locking cam 2 that trend away from accommodating groove 11 be arranged; The back-moving spring 7 that is arranged on rotating shaft 6 acts on self-locking cam 2, makes self-locking cam 2 have towards the trend of accommodating groove 11 extruding.After rope 5 is pressed into accommodating groove 11, if do not have opposite force to be applied on self-locking cam 2, self-locking cam 2 will push rope 5 under the effect of back-moving spring 7, make rope 5 be in the self-locking position of rope falling unit constantly, due to the design feature of self-locking cam 2 own, along with self-locking cam 2 is more around rotating shaft 6 rotations, rope 5 is pressed in accommodating groove 11, huge frictional force makes the user can be suspended on rope 5, and can automatically not glide.Palm for fear of the user is hindered in the high blanching that produces in the decline process covers one deck heat insulating mattress 17,32, such as thermal insulating paper, micro-nano thermal insulation board etc. on the top of body 1 and the hand-holding part of depression bar 3.

Fig. 3 has shown the details of the working face a of self-locking cam 2, working face a is curved, a lot of sawtooth or groove can be arranged in its surface, during work, resilient force because of the back-moving spring 7 that is close to self-locking cam 2 surfaces, self-locking cam 2 has towards the trend of accommodating groove 11 extruding, so just allow these sawtooth or trench contact arrive the surface of rope 5, after this rope frictional force up causes that self-locking cam 2 rotates around fixed axis 6, self-locking cam 2 has more part to enter accommodating groove 11 like this, constantly compress the space of rope 5, thereby make sawtooth or groove bite rope 5 surfaces, huge frictional force makes rope 5 fit tightly with self-locking cam 2 to be in the same place, like this, the rope falling unit is suspended on rope 5 with regard to static, thereby realized self-locking.

Fig. 4 has shown the schematic diagram of depression bar 3, the working face b of depression bar 3 is curved, in order to increase effective contact area of working face b and rope 5, produce sawtooth or groove on the working face b of arc, thereby strengthen the frictional force of depression bar 3 and rope 5, during work, depression bar 3 is journaled on latch-locking 4, the user holds top and the depression bar 3 of main body 1 simultaneously with palm, make the working face b of depression bar 3 enter accommodating groove 11 and extruding rope 5, increase along with grip, it is darker that depression bar 3 working face b enter accommodating groove 11, the frictional force of 3 pairs of ropes 5 of depression bar is also larger, user's's (load) weight is mainly born by depression bar 3 and the frictional force of rope 5, simultaneously, the palm bottom is by setting 35 ahead on moulded rod 3, projection 21 on self-locking cam 2 is pushed, make self-locking cam 2 that the trend of leaving accommodating groove 11 be arranged, after the frictional force that whole loads are provided by depression bar 3 is born, frictional force on self-locking cam 2 is very little, setting 35 ahead pushes up self-locking cam 2 from rope 5 at an easy rate, the self-locking of high-altitude rope falling unit has been disengaged like this, the user can slightly adjust palm to the grip force of depression bar 3, thereby realize gliding along rope 5 with suitable speed.Due to the combining structure characteristics of depression bar 3 with latch-locking 4, the frictional force that depression bar 3 can either provide rope 5 axially to make progress can provide again rope 5 pressure radially, so the less grip of user's use, namely can reach the effect that fixedly is suspended on rope 5.

Rotating the problem of the strength inequality that compresses rope 5 around latch-locking 4 in order to solve depression bar 3, the arc of the working face b of depression bar 3 can arrange like this: the closer to the lower end of depression bar 3, arc is more shallow; The closer to the epimere of depression bar 3, arc is darker.In concrete manufacture process, being embodied in the center line of curved working face b and the center line of rope 5 has about 1.5 ~ 3 angles of spending.

In order to solve depression bar 3 in the problem of the force distribution inequality when latch-locking 4 rotates compression rope 5, depression bar 3 also can be comprised of a plurality of bar joints, connect by turning joint between the adjacent stems joint, so both can avoid rope 5 local pressures excessive, and can facilitate again the user to control the speed of decline by gripping different bar joint parts.

Fig. 5 has shown that latch-locking 4 or lower lock pin 8(are designated hereinafter simply as lock pin 4,8) schematic diagram, here the structure of latch-locking 4 and lower lock pin 8 is identical, adopted the form of energy fast insert-pull, lock pin 4,8 comprises round platform 41, cylinder 42, pin 43 and portable plate 44, portable plate 44 is arranged on the opening part on cylinder 42 tops, pin 43 passes the U-shaped hole 45 of portable plate 44, makes the portable plate 44 both can be upright along the axis direction of cylinder 42, and axis direction that again can vertical cylinder 42 is lied down.When portable plate 44 was upright along the axis direction of cylinder 42, pin 43 stopped regional c near U-shaped hole 45 lower, and lock pin 4,8 can pass the pin-and- hole 18,16 on main body 1; When the axis direction of vertical cylinder 42 was lied down, lock pin 4,8 can not pass the pin-and- hole 18,16 on main body 1 when portable plate 44.In use, when needs insert lock pin 4,8 the time, upright portable plate 44, pass the pin-and- hole 18,16 on main body 1, then portable plate 44 is lied down, pull portable plate 44, make pin 43 near stopping regional d on U-shaped hole 45, so just realized the Fast Installation of lock pin 4,8 on main body 1; Extract lock pin 4,8 the time, pull portable plate 44 when needs, make the lower of U-shaped hole 45 stop regional c near pin 33, upright portable plate 44, allow lock pin 4, the 8 whole pin-and- holes 18,16 that break away from main bodys 1, thereby realize lock pin 4,8 extract fast.

Due to depression bar 3, lock pin 4, the 8th, the important component part of rope falling unit, they separate with main body 1 when not needing to use, lose for fear of part, in actual applications, on depression bar 3, lock pin 4,8, lacing hole 33,46 is arranged, be connected to (not shown) on the lacing hole 15,19 of body 1 by rope, chain or other modes.

Embodiment

When needs used the rope falling unit to fall from window, roof or cliff equal-height position rope, the user was fastened on an end of rope 5 as fixing foot rest, large tree tree bar bottom etc. carrying on the fixture of larger load, and under the other end throwing with rope 5; Transfer to from accommodating groove 11 with the self-locking cam 2 of pointing the falling unit of to restrict, and rope 5 is pressed in accommodating groove 11, discharge self-locking cam 2, its falling unit of restricting of leaving is self-locking on rope 5, depression bar 3 is put into accommodating groove 11, make the dead in line of depression bar axis hole 34 and upper pin-and-hole 18, latch-locking 4 is inserted in upper pin-and-holes 18 and depression bar axis hole 34, and pull portable plate 44 on latch-locking 4, be drawn to position near pin 33 with stopping regional d on U-shaped hole 15 on portable plate 44; Lower lock pin 8 inserts in lower pin-and-holes 16, is drawn to position near pin 33 with stopping regional d on U-shaped hole 15 on portable plate 44 equally, guarantees that like this rope 5 can not jumped out accommodating groove 11 in the decline process; The user puts on safety harness, and snap close (for example ring lock) is hung in the hook hole 14 of main body 1.The preparation that descends like this is ready, then the user holds the top of main body 1 and the depression bar body 31 of depression bar 3 simultaneously with the palm of a hand, make the working face b of depression bar 3 enter accommodating groove 11 and extruding rope 5, the frictional force that enough supports user's body wt is provided, and self-locking cam 2 is because away from accommodating groove 11, at this moment self-locking cam 2 is inoperative by setting 35 extruding ahead by depression bar 3.Next 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 is in an emergency that for example the user injures unexpectedly or confused fault and unable when holding depression bar 3, depression bar 3 disappears by the extruding force of 35 pairs of self-locking cams 2 of shifting block, thereby under the effect of back-moving spring 7, self-locking cam 2 forwards self-locking position to, make the rope falling unit be fixed on rope 5, thereby guarantee that the user can not continue tenesmus, avoids accidental falling and the injures and deaths that produce.

Due to this high-altitude rope falling unit in use as long as rope 5 is pressed into accommodating groove 11 in main body 1, do not need to make the crooked coiling of rope, therefore in the situation that rope 5 holding capacity enough (for example rope 5 is cable wires), a plurality of users can use the 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 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, provide a whole set of rope to fall system here, comprise fixedly foot rest, rope, safety harness and snap close, also comprise aforesaid high-altitude rope falling unit.Fixedly foot rest is used for being fixed on the firm place of room or roof or cliff, for example by fot screw or setscrew fixedly foot rest fix, rope is fastened on fixedly on foot rest, rope adopts the static(al) rope usually, its cross section can be circular or rectangle, the preferred static(al) rope that uses the rectangle cross section, this rope can coordinate well with the high-altitude falling unit of restricting, and does not need very large curable grip just can produce enough large frictional force.Safety harness is used for ensureing that the safety of process falls in the user 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 brought load by safety back 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 capstan winch, when needs use, cable wire one end is fixed on capstan winch, under other parts are thrown from high building, safety harness of personnel's staff, snap close and high-altitude rope falling unit upstairs, then in order fast along cable wire and under, arrive zone or the ground of safety.

Above content is to the utility model description in conjunction with concrete optimal way; can not assert that the specific embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deductions and replacement, all will be considered as belonging to the determined protection domain of claims that the utility model is submitted to.

Claims (7)

1. high-altitude rope falling unit, comprise main body (1), self-locking cam (2), depression bar (3), latch-locking (4), rotating shaft (6), back-moving spring (7) and lower lock pin (8), described main body (1) comprises accommodating groove (11) and the load board (13) of U-shaped, described accommodating groove (11) has pin-and-hole (18) and lower pin-and-hole (16), upper pin-and-hole (18) during use, insert respectively latch-locking (4) and lower lock pin (8) in lower pin-and-hole (16), Cam rest (12) and hook hole (14) are arranged on load board (13), described self-locking cam (2) is journaled on Cam rest (12) by rotating shaft (6), it is characterized in that: depression bar (3) upper end is journaled on latch-locking (4), the lower end pivot is equipped with a shifting block (35), during work, the projection (21) on described self-locking cam (2) is pressed on this shifting block (35) top, make self-locking cam (2) that trend away from accommodating groove (11) be arranged, the back-moving spring (7) that is arranged on described rotating shaft (6) acts on described self-locking cam (2), makes self-locking cam (2) have towards the trend of accommodating groove (11) extruding.

2. high-altitude as claimed in claim 1 rope falling unit, it is characterized in that: the working face (a, b) of described self-locking cam (2) and depression bar (3) is curved.

3. high-altitude as claimed in claim 2 rope falling unit, is characterized in that: have sawtooth on the working face (a) of described self-locking cam (2), the upper irregular groove of tool of the working face (b) of described depression bar (3).

4. as described in claim 1-3 any one high-altitude rope falling unit, described depression bar (3) is comprised of multistage bar joint institute, and wherein last bar joint lower end pivot fills described shifting block (35).

5. as described in claim 1-3 any one high-altitude rope falling unit, it is characterized in that: described latch-locking (4) or lower lock pin (8) are by round platform (41), cylinder (42), pin (43) and portable plate (44) form, portable plate (44) is arranged on the opening part on cylinder (42) top, pin (43) passes the U-shaped hole (45) of portable plate (44), make the portable plate (44) both can be upright along the axis direction of cylinder (42), axis direction that again can vertical cylinder (42) is lied down.

6. high-altitude as claimed in claim 4 rope falling unit, it is characterized in that: described latch-locking (4) or lower lock pin (8) are comprised of round platform (41), cylinder (42), pin (43) and portable plate (44), portable plate (44) is arranged on the opening part on cylinder (42) top, pin (43) passes the U-shaped hole (45) of portable plate (44), make the portable plate (44) both can be upright along the axis direction of cylinder (42), axis direction that again can vertical cylinder (42) be lied down.

7. system falls in a high-altitude safe rope, comprises fixedly foot rest, rope, safety harness and snap close, it is characterized in that: also comprise high-altitude as described in aforementioned any one claim rope falling unit.

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