CN207055744U - Fall-slowing device for rescuing from high building - Google Patents

Abstract

The utility model discloses a kind of fall-slowing device for rescuing from high building, including body assembly and comprising speed limiting mechanism from speed limit component, body assembly includes shell, interior axle, hollow shaft, rope-winding wheel and safety rope, the both ends of interior axle by bearing be installed on shell and hollow shaft on, hollow shaft is coaxially set in outside interior axle, the both ends of hollow shaft are installed on shell by bearing, and rope-winding wheel is fixed in hollow shaft, and safety rope is around being located on rope-winding wheel；Speed limiting mechanism includes friction clutch body, brake pad, ring spring and friction plate, friction clutch body is coaxially fixed in interior axle, some brake pads are circumferentially disposed in some grooves of friction clutch body, ring spring is perpendicular to axially arranged and pass through brake pad, friction plate is fixed on shell internal perisporium, and the position of friction plate and the position of brake pad are diametrically.Fall-slowing device for rescuing from high building of the present utility model from the speed limiting mechanism in speed limit component to falling speed by being controlled, it is ensured that escape personnel's landing stationarity and landing security.

Description

Fall-slowing device for rescuing from high building

Technical field

Escape equipment technical field is the utility model is related to, in particular to a kind of fall-slowing device for rescuing from high building.

Background technology

With the quickening of urbanization process, skyscraper increases rapidly.However, when occur fire, earthquake, the attack of terrorism, During the accidents such as gas leak, because normal fire escape is unable to normal use, personnel are caused to flee from high level in time Building, easily there is the major accident of the dead group's wound of group.

Fall-slowing device for rescuing from high building has the characteristics of simple to operate, to be easy to use, and personnel can quickly be fled the scene by it, Therefore a variety of slowly descending device for high building are developed in recent years.However, there is the problem of speed is whard to control in most slow descending device. For original survivor or from eminence decline when, be usually not easy hold decline speed.

In view of the problem present on, it is desirable to provide can effectively control sinking speed, ensure personnel's landing stationarity and fall The escape device for high-rise buildings of ground security, to help distress personnel is out of danger successfully to save oneself.

Utility model content

The purpose of this utility model is, there is provided a kind of fall-slowing device for rescuing from high building that can control sinking speed.

To achieve the above object, the fall-slowing device for rescuing from high building designed by the utility model includes body assembly, the body Component includes hollow shell and the interior axle, hollow shaft, rope-winding wheel and the safety rope that are arranged in the shell, the interior axle Both ends are installed on the shell with the hollow shaft by bearing respectively, and the hollow shaft is coaxially set in the interior axle Outside, the both ends of the hollow shaft are installed on the shell by bearing respectively, and the rope-winding wheel is fixed in the hollow shaft, The safety rope is around being located on the rope-winding wheel；The fall-slowing device for rescuing from high building further comprises being arranged in the shell and wrapped Include friction clutch body, brake pad, ring spring and friction plate, institute from speed limit component, the speed limiting mechanism containing speed limiting mechanism State friction clutch body to be coaxially fixed in the interior axle, it is some that some brake pads are circumferentially disposed at the friction clutch body In groove, perpendicular to axially arranged and pass through the brake pad, the friction plate is fixed in the shell ring spring On perisporium, the position of the position of the friction plate and the brake pad is diametrically.

Preferably, it is described to further comprise what is formed using cycloidal planetary gear speed reducer reverse connection from speed limit component Speed increasing mechanism.

Preferably, the speed increasing mechanism include cycloidal-pin wheel, capacity eccentric bearing, eccentric bushing, roll pin, bearing pin and Pin sleeve, the cycloidal-pin wheel are connected with the capacity eccentric bearing, are interference fitted between the capacity eccentric bearing and the eccentric bushing, institute State eccentric bushing to fix with the interior axle, the cycloidal-pin wheel is cylindrical by the bearing pin and the hollow axis connection, the bearing pin Cylinder is connected with the pin sleeve.

Preferably, the fall-slowing device for rescuing from high building further comprises hand brake component, the hand brake group Part includes brake handle, compression spring, push pedal, push pedal friction pad and shaft end friction pad, and the brake handle is consolidated with the push pedal Fixed connection, the brake handle is separately mounted to close the both sides of the end cap of the side end face of shell one with the push pedal, described Compression spring is fixed between the brake handle and the end cap, and the push pedal friction pad is arranged in the push pedal, described Shaft end friction pad is arranged on the end face of the interior axle, the push pedal friction pad and the shaft end friction pad it is relative in the axial direction and It is disposed adjacent.

Preferably, the hand brake component further comprises the brake handle being set in outside the brake handle Rubber sleeve.

Preferably, the high-rise descending escape apparatus further comprises with synchronous driving mechanism and rope dispenser Row's rope component of structure, the synchronous driving mechanism include big synchronous pulley, timing belt and small synchronous pulley, the rope dispenser Structure includes support bar, space cam axle and sliding block, and the big synchronous pulley is fixed in the hollow shaft, the small synchronization Belt wheel is arranged on the space cam axle, big synchronous pulley described in the synchronous band connection and the small synchronous pulley, described The diameter parallel of the axis of support bar and the space cam axle, the both ends of the space cam axle are arranged on described by bearing shell On shell, the axis of the space cam axle and the diameter parallel of the interior axle, the sliding block are set in which can slide axially On the support bar, the sliding block is protruded out in the cam path opened up in the circumferential wall of the embedded space cam axle, described convex The track of race is the curve that moves back and forth vertically, and one end of the safety rope on the sliding block in through hole from passing through.

Preferably, the fall-slowing device for rescuing from high building further comprises being separately positioned on the hand brake component The rope closing component of the opposite end of the body assembly, the rope closing component include rope closing handle, little gear, gear wheel, little gear Axle, bearing shell and steel ball pin, one end and the pinion shaft of the rope closing handle are hinged, and the other end of the rope closing handle crosses institute State steel ball pin and be connected with closing the end cap of another side end face of shell, the gear wheel is fixed in the interior axle, described small Gear is coordinated by the bellmouth of centre with the pinion shaft.

Preferably, the rope closing component further comprises the rope closing handle rubber being set in outside the rope closing handle Overcoat.

Preferably, the body assembly further comprises safety door hook, left end cap and right end cap, the safety rope One end is connected with the safety door hook, and the left end cap, the right end cap are separately fixed at the left end opening of the shell, right-hand member Opening.

The beneficial effects of the utility model are：Fall-slowing device for rescuing from high building of the present utility model is by from the limit in speed limit component Fast mechanism is controlled to falling speed, and when falling speed exceedes speed limit, the external ring spring of friction clutch is centrifuging Expanded outwardly in the presence of power, so as to drive brake pad to expand outwardly, brake pad, which contacts friction with friction plate, reduces falling speed； After falling speed reduces, the centrifugal force of ring spring reduces, and brake pad separates with friction plate, can continue to fall.In this way, whole In dropping process, the speed of whereabouts is controlled in the range of limitation all the time, it is ensured that escape personnel's landing stationarity and landing are pacified Quan Xing, it is wider to be applicable crowd's scope.

Brief description of the drawings

Fig. 1 is that the fall-slowing device for rescuing from high building of the utility model preferred embodiment removes the stereochemical structure signal after casing half Figure.

Fig. 2 is the axial cross section structure diagram of the fall-slowing device for rescuing from high building in Fig. 1.

Fig. 3 is the mplifying structure schematic diagram from speed limit component of the fall-slowing device for rescuing from high building in Fig. 1.

Fig. 4 is the mplifying structure schematic diagram figure from speed limit component of the fall-slowing device for rescuing from high building in Fig. 2.

Fig. 5 is amplification and the structural representation of the hand brake component of the fall-slowing device for rescuing from high building in Fig. 2.

Fig. 6 is the three-dimensional knot of another angle of the rope distributor gear of row's rope component of the fall-slowing device for rescuing from high building in Fig. 1 Structure schematic diagram.

Fig. 7 is the mplifying structure schematic diagram of row's rope component of the fall-slowing device for rescuing from high building in Fig. 2.

Fig. 8 is the mplifying structure schematic diagram of the rope closing component of the fall-slowing device for rescuing from high building in Fig. 2.

Each part numbers are as follows in figure：

Body assembly 10 (wherein, shell 11, interior axle 12, hollow shaft 13, rope-winding wheel 14, safety rope 15, safety door hook 16, a left side End cap 17, right end cap 18；Clutch shaft bearing 12a, the first rolling bearing 12b；Second bearing 13a, the second rolling bearing 13b)；

From speed limit component 20 (wherein, speed increasing mechanism 21, speed limiting mechanism 22；Cycloidal-pin wheel 21a, capacity eccentric bearing 21b, bias Cover 21c, roll pin 21d, bearing pin 21e, pin sleeve 21f, speed increaser shell 21g；Friction clutch body 22a, brake pad 22b, ring Shape spring 22c, friction plate 22d)；

Hand brake component 30 (wherein, rub by brake handle 31, compression spring 32, push pedal 33, push pedal friction pad 34, shaft end Scrubbing pad 35, brake handle rubber sleeve 36)；

Row rope component 40 (wherein, synchronous driving mechanism 41, rope distributor gear 42；Big synchronous pulley 41a, timing belt 41b, small synchronous pulley 41c；Support bar 42a, space cam axle 42b, sliding block 42c)；

Rope reeling mechanism 50 (wherein, rope closing handle 51, little gear 52, gear wheel 53, pinion shaft 54, bearing shell 55, steel ball pin 56th, circlip 57, rope closing handle rubber sleeve 58).

Embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.

The purpose of this utility model be to provide it is a kind of integrate automatic speed-limiting, the high-rise life saving of hand brake function delays Falling unit, it is its simple in construction, easy to operate, practicality and high efficiency, widely applicable, can distress personnel steadily decline and safety Land.

Fig. 1 and Fig. 2 are referred to, the utility model preferred embodiment fall-slowing device for rescuing from high building includes body assembly 10, limited certainly Fast component 20, hand brake component 30, row's rope component 40 and rope reeling mechanism 50, body assembly 10 are the master of fall-slowing device for rescuing from high building Body portion, hand brake component 30, row's rope component 40 and rope reeling mechanism 50 are arranged on body assembly 10.

Body assembly 10 includes shell 11, interior axle 12, hollow shaft 13, rope-winding wheel 14, safety rope 15, safety door hook 16, left end Lid 17 and right end cap 18.

Shell 11 is hollow cavity, and installing matrix is provided for other parts.One end of interior axle 12 passes through clutch shaft bearing 12a It is installed on shell 11, the other end of interior axle 12 is installed in hollow shaft 13 by the first rolling bearing 12b.Hollow shaft 13 is coaxial It is set in outside interior axle 12, the both ends of hollow shaft 13 are installed on shell 11 by second bearing 13a, the second rolling bearing 13b respectively. Interior axle 12 passes through among hollow shaft 13, is co-axially mounted with hollow shaft 13, the other end of interior axle 12 passes through flat key and speed limiting mechanism 22 Connection.Rope-winding wheel 14 is set in outside hollow shaft 13, and rope-winding wheel 14 is installed in the central enclosure of shell 11, and rope-winding wheel 14 passes through flat key It is fixed in hollow shaft 13.One end of safety rope 15 is connected with safety door hook 16, and the other end is fixed on rope-winding wheel 14, wiring Wheel 14 is installed in the central enclosure of shell 11.Safety door hook 16 is arranged on safety rope 15 by way of pulley passes through safety rope 15 On overhanging end, safety clothes --- with reflecting parts on clothes or safe band connection with survivor.Left end cap 17, right end cap 18 are separately fixed at a left side for shell 11 End, right-hand member, the opening at the left and right end of closure 11.

Fig. 3 and Fig. 4 are please referred to, to ensure falling speed of the fall-slowing device for rescuing from high building in survivor's dropping process, It is additionally provided with the shell 11 of body assembly 10 from speed limit component 20.Include speed increasing mechanism 21 and speed limiting mechanism from speed limit component 20 22, wherein speed increasing mechanism 21 is used for the rotation (discharge for accelerating safety rope 15) for accelerating hollow shaft 13, and speed limiting mechanism 22 is used for The velocity of rotation (velocity of discharge for limiting safety rope 15) of interior axle 12 is limited, speed increasing mechanism 21 and speed limiting mechanism 22 act synergistically Speed limit is carried out to the speed that escape process survivor falls.

Speed increasing mechanism 21 includes cycloidal-pin wheel 21a, capacity eccentric bearing 21b, eccentric bushing 21c and rolls pin 21d.Cycloidal-pin wheel 21a is connected by bearing pin 21e with hollow shaft 13, and bearing pin 21e external cylindrical surfaces are connected with pin sleeve 21f, drives cycloidal-pin wheel 21a to turn It is dynamic.Cycloidal-pin wheel 21a is connected with capacity eccentric bearing 21b, is interference fit, eccentric bushing between capacity eccentric bearing 21b and eccentric bushing 21c 21c is connected by flat key with interior axle 12.Line pinwheel 21a, capacity eccentric bearing 21b, eccentric bushing 21c and rolling pin 21d are arranged at It is fixed in the speed increaser shell 21g in shell 11, is formed overall.Speed increasing mechanism 21 can be directly using the cycloidal pin inversely used Wheel decelerator, i.e., using the output end of planet-cycloid reducer as input, and using the input of planet-cycloid reducer as Output end.

Speed limiting mechanism 22 includes friction clutch body 22a, brake pad 22b, ring spring 22c and friction plate 22d.Friction clutch Body 22a is coaxially connected on the one end of interior axle 12 by flat key, and three brake pad 22b are separately positioned on edge on friction clutch body 22a In circumferentially spaced three grooves, for ring spring 22c perpendicular to axially arranged, three brake pad 22b pass through ring spring 22c connects into the drag ring perpendicular to axial direction.Friction plate 22d is fixed on the inner peripheral of shell 11.Friction plate 22d position is with rubbing The position of cleaning block 22 is diametrically.

Worked from speed limit component 20 when fall-slowing device for rescuing from high building falls, now rope-winding wheel 14 drives hollow shaft 13 to rotate, Hollow shaft 13 is rotated by bearing pin 21e and cycloidal-pin wheel 21a connect band dynamic cycloid pinwheels 21a, cycloidal-pin wheel 21a and capacity eccentric bearing 21b connections, it is connected, is put with interior axle 12 by flat key for interference fit, eccentric bushing 21c between capacity eccentric bearing 21b and eccentric bushing 21c Line pinwheel 21a obtains speedup in the presence of pin 21d is rolled and speed is passed into interior axle 12, makes the high-speed rotation of interior axle 12. Speed increasing mechanism 21 works, and improves the lowering velocity of safety rope 15.Distress personnel is during decline, ring under the influence of centrifugal force Shape spring 22c spreading belt dynamic friction blocks 22b radially flies out, and when the rotating speed of interior axle 12 is too high, brake pad 22b is with being fixed on Friction plate 22d frictions on the inner peripheral of shell 11, make decrease speed keep stable, realize automatic speed-limiting.

Fig. 5 is please referred to, hand brake component 30 is arranged on one end of body assembly 10, it is illustrated that be left end.System manually Dynamic component 30 includes brake handle 31, compression spring 32, push pedal 33, push pedal friction pad 34, shaft end friction pad 35 and brake handle Rubber sleeve 36, brake handle 31 are connected by bolt with push pedal 33, and brake handle 31 is arranged on the outside of left end cap 17, push pedal 33 are arranged on the inner side of left end cap 17, and compression spring 32 is fixed between brake handle 31 and left end cap 17.Push pedal friction pad 34 In push pedal 33, shaft end friction pad 35 is arranged on the left side of interior axle 12, push pedal friction pad 34 and shaft end friction pad 35 It is relative in the axial direction and be disposed adjacent.Brake handle rubber sleeve 36 is set in the hand grip portion of brake handle 31 exceptionally, with increase The gripping feel and non-skid property of brake handle 31.

If running into emergency needs hand brake, survivor extrudes brake handle 31, push pedal 33 axially inward Push pedal friction pad 34 is driven to promote axially inward up to the contact squeeze of shaft end friction pad 35 with being fixed on the end face of interior axle 12, Producing very big frictional force between Contact push pedal friction pad 34 and shaft end friction pad 35 makes interior axle 12 stop operating, so as to realize Hand brake.After the external force inwardly pushed away disappears, brake handle 31 is automatic outside in the presence of the restoring force of compression spring 32 Reset.

Fig. 6 and Fig. 7 are please referred to, row's rope component 40 includes synchronous driving mechanism 41 and rope distributor gear 42, wherein, Synchronous driving mechanism 41 is divided with discharge of the distributor gear 42 to safety rope 15 again after the motion of hollow shaft 13 is synchronously come Match somebody with somebody.Synchronous driving mechanism 41 include big synchronous pulley 41a, timing belt 41b and small synchronous pulley 41c, big synchronous pulley 41a with it is small Connect to form belt wheel mechanism with timing belt 41b between synchronous pulley 41c, big synchronous pulley 41a is fixed on hollow shaft 13 On end.Rope distributor gear 42 includes support bar 42a, space cam axle 42b and sliding block 42c, support bar 42a axis and sky Between camshaft 42b diameter parallel, support bar 42a is arranged on space cam axle 42b front end.Space cam axle 42b end Small synchronous pulley 41c is installed, the rotation of hollow shaft 13 is delivered to small timing belt by big synchronous pulley 41a, timing belt 41b Take turns on 41c.Space cam axle 42b both ends are arranged on shell 11 by bearing shell, space cam axle 42b axis and interior axle 12nd, the diameter parallel of hollow shaft 13, space cam axle 42b can be with small synchronous pulley 41c together by synchronous driving mechanism 41 Rotate.Sliding block 42c is set on support bar 42a and can slided along the length direction of support bar 42, and sliding block 42c is provided with embedded space Projection in the cam path opened up in camshaft 42b circumferential wall.The track of space cam axle 42b cam path is before vertically The curve moved afterwards.For safety rope 15 from being passed through on sliding block 42c in through hole, big synchronous pulley 41a passes through holding screw and hollow shaft 13 coordinate, and small synchronous pulley 41c is connected by holding screw with space cam axle 42b, and sky is driven by synchronous drive mechanism 41 Between camshaft 42b rotate.In space cam axle 42b rotation process, due to the zone of action movable slider 42c edges support of cam path Bar 42a horizontally slips, meanwhile, sliding block 42c drives the reciprocally swinging of safety rope 15 or so, realizes proper alignment safety rope 15, both may be used The problem of avoiding the accumulation of safety rope 15 from causing, it can also make row's rope (or even rope closing) uniform and stable.

Fig. 8 is please referred to, to make fall-slowing device for rescuing from high building to reuse, its interior rope reeling mechanism 50 that is provided with is by discharge Safety rope 15 is recovered in body assembly 10.Rope reeling mechanism 50 is arranged on the other end of body assembly 10, it is illustrated that is right-hand member.Rope closing Mechanism 50 includes rope closing handle 51, little gear 52, gear wheel 53, pinion shaft 54, bearing shell 55, steel ball pin 56, circlip 57 And rope closing handle rubber sleeve 58.The upper end of rope closing handle 51 is connected through the hinge with pinion shaft 54, and the lower end of rope closing handle 51 leads to Cross steel ball pin 56 to be connected with right end cap 18, gear wheel 53 is connected by flat key with interior axle 12, the taper that little gear 52 passes through centre Hole is connected with pinion shaft 54.During rope closing, rope closing handle 51 is extracted and rotated lower end around hinge certain from right end cap 18 The upper end of rope closing handle 51 is inwardly promoted after angle again, the conical surface of pinion shaft 54 is closely connected with the conical hole of little gear 52 Connect.Rope closing handle 51 is rotated, drives interior axle 12 to rotate with engaging for gear wheel 53 by little gear 52, so as to drive rope-winding wheel 14 Rotation, realizes being recycled in body assembly 10 for safety rope 15.

The use process and operation principle of fall-slowing device for rescuing from high building of the present utility model are as follows：Using preceding first by safety door hook 16 Mounted with the safety clothes --- with reflecting parts on clothes or safety belt of survivor's dress, the both hands of survivor hold brake handle 31 and rope closing handle 51 respectively. Survivor is during decline, and rope-winding wheel 14 drives hollow shaft 13 to rotate under gravity, and the rotating speed passes through speed increasing mechanism 21 Speedup is obtained, the speed increasing mechanism 21 drives the high-speed rotation of interior axle 12, and interior axle 12 drives friction clutch body 22a to rotate at a high speed. In the presence of centrifugal force, ring spring 22c spreading belt dynamic friction blocks 22b flies out, and when rotating speed is too high, brake pad 22b is with being fixed on Friction plate 22d frictions on the inner peripheral of shell 11, make decrease speed keep stable, realize automatic speed-limiting.Sent out during decline Raw emergency or survivor wish slow lower or stop (for example, close to ground) when, inwardly operate brake handle 31, push pedal 33 Push pedal friction pad 34 is driven to promote axially inward until contacting and producing with being fixed on the shaft end friction pad 35 of the end face of interior axle 12 Raw very big frictional force makes interior axle 12 slow down or stop operating, so as to realize hand brake.

In summary, fall-slowing device for rescuing from high building of the present utility model has the following advantages that and beneficial effect：

(1) simple in construction, easy to use, lifesaving inefficiency is high, widely applicable.

(2) automatic speed-limiting and hand brake double effects are had concurrently, securely and reliably, can ensure distress personnel steadily decline and Safe landing.

(3), can be according to escape personnel to decrease speed using the planet-cycloid reducer inversely used as speed increasing mechanism Requirement voluntarily select speed increasing ratio.

(4) stabilized speed when declining can be adjusted by adjusting the soft or hard of ring spring, can adapt to different crowd Requirement to decrease speed.

(5) the rope distributor gear in row's rope component can realize the proper alignment of safety rope, avoid the accumulation of safety rope Winding.

(6) rope closing component can realize recovery of the lower backwardness to safety rope, the rope distributor gear phase in component of being restricted with row Cooperation can realize it is quick, fitly withdraw safety rope, convenient storage and use next time.

Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (9)

1. a kind of fall-slowing device for rescuing from high building, including body assembly (10), the body assembly (10) includes hollow shell (11) And it is arranged on interior axle (12), hollow shaft (13), rope-winding wheel (14) and safety rope (15) in the shell (11), the interior axle (12) both ends are installed on the shell (11) with the hollow shaft (13) by bearing respectively, and the hollow shaft (13) is same Axle sleeve is located at the interior axle (12) outside, and the both ends of the hollow shaft (13) are installed on the shell (11) by bearing respectively, The rope-winding wheel (14) is fixed in the hollow shaft (13), the safety rope (15) around being located on the rope-winding wheel (14), its It is characterised by：The fall-slowing device for rescuing from high building further comprises being arranged in the shell (11) and comprising speed limiting mechanism (22) From speed limit component (20), the speed limiting mechanism (22) includes friction clutch body (22a), brake pad (22b), ring spring (22c) And friction plate (22d), the friction clutch body (22a) are coaxially fixed in the interior axle (12), some brake pads (22b) It is circumferentially disposed in some grooves of the friction clutch body (22a), the ring spring (22c) is perpendicular to axially arranged and wear The brake pad (22b) is crossed, the friction plate (22d) is fixed on the shell (11) internal perisporium, the friction plate (22d) Position and the position of the brake pad (22b) are diametrically.

2. fall-slowing device for rescuing from high building according to claim 1, it is characterised in that：It is described further to be wrapped from speed limit component (20) Include the speed increasing mechanism (21) formed using cycloidal planetary gear speed reducer reverse connection.

3. fall-slowing device for rescuing from high building according to claim 2, it is characterised in that：The speed increasing mechanism (21) includes cycloidal pin Take turns (21a), capacity eccentric bearing (21b), eccentric bushing (21c), rolling pin (21d), bearing pin (21e) and pin sleeve (21f), the pendulum Line pinwheel (21a) is connected with the capacity eccentric bearing (21b), interference between the capacity eccentric bearing (21b) and the eccentric bushing (21c) Coordinate, the eccentric bushing (21c) is fixed with the interior axle (12), and the cycloidal-pin wheel (21a) passes through the bearing pin (21e) and institute Hollow shaft (13) connection is stated, bearing pin (21e) external cylindrical surface is connected with the pin sleeve (21f).

4. fall-slowing device for rescuing from high building according to claim 1, it is characterised in that：The fall-slowing device for rescuing from high building further wraps Hand brake component (30) is included, the hand brake component (30) includes brake handle (31), compression spring (32), push pedal (33), push pedal friction pad (34) and shaft end friction pad (35), the brake handle (31) are fixedly connected with the push pedal (33), The brake handle (31) is separately mounted to close the both sides of the end cap of the side end face of shell (11) one with the push pedal (33), The compression spring (32) is fixed between the brake handle (31) and the end cap, and the push pedal friction pad (34) is arranged on On the push pedal (33), the shaft end friction pad (35) is arranged on the end face of the interior axle (12), the push pedal friction pad (34) relatively and it is disposed adjacent in the axial direction with the shaft end friction pad (35).

5. fall-slowing device for rescuing from high building according to claim 4, it is characterised in that：The hand brake component (30) is further Including being set in the brake handle rubber sleeve (36) of the brake handle (31) outside.

6. fall-slowing device for rescuing from high building according to claim 1, it is characterised in that：The high-rise descending escape apparatus further wraps Include with the row of synchronous driving mechanism (41) and rope distributor gear (42) rope component (40), synchronous driving mechanism (41) bag Big synchronous pulley (41a), timing belt (41b) and small synchronous pulley (41c) are included, the rope distributor gear (42) includes support bar (42a), space cam axle (42b) and sliding block (42c), the big synchronous pulley (41a) are fixed on the hollow shaft (13) On, the small synchronous pulley (41c) is arranged on the space cam axle (42b), and the timing belt (41b) connects described Datong District Walk belt wheel (41a) and the small synchronous pulley (41c), the axis of the support bar (42a) and the space cam axle (42b) Diameter parallel, the both ends of the space cam axle (42b) are arranged on the shell (11) by bearing shell, the space cam axle The axis of (42b) and the diameter parallel of the interior axle (12), the sliding block (42c) are set on the support with can sliding axially On bar (42a), the sliding block (42c) is protruded out in the cam path opened up in the circumferential wall of the embedded space cam axle (42b), The track of the cam path is the curve moved back and forth vertically, and one end of the safety rope (15) is from the sliding block (42c) Passed through in through hole.

7. fall-slowing device for rescuing from high building according to claim 4, it is characterised in that：The fall-slowing device for rescuing from high building further wraps The rope closing component (50) for the opposite end that the body assembly (10) is separately positioned on the hand brake component (30) is included, it is described Rope closing component (50) includes rope closing handle (51), little gear (52), gear wheel (53), pinion shaft (54), bearing shell (55) and steel Pearl pin (56), one end of the rope closing handle (51) is be hinged with the pinion shaft (54), the rope closing handle (51) it is another The steel ball pin (56) was held to be connected with closing the end cap of another side end face of the shell (11), the gear wheel (53) is fixed on On the interior axle (12), the little gear (52) is coordinated by the bellmouth of centre with the pinion shaft (54).

8. fall-slowing device for rescuing from high building according to claim 7, it is characterised in that：The rope closing component (50) further comprises It is set in the rope closing handle rubber sleeve (58) of the rope closing handle (51) outside.

9. fall-slowing device for rescuing from high building according to claim 1, it is characterised in that：The body assembly further comprises safety Hook (16), left end cap (17) and right end cap (18), one end of the safety rope (15) are connected with the safety door hook (16), the left side End cap (17), the right end cap (18) are separately fixed at the left end opening of the shell (11), at right-end openings.