CN209108453U - A kind of high-altitude slow-falling device - Google Patents

Abstract

The utility model discloses a kind of high-altitude slow-falling device, including shell, it is equipped with core cylinder inside housings, it further include the transfer roller matched with core cylinder, spiral rope groove is equipped in roll surface, further include many places brake gear, the safety door hook matched with safety belt is equipped in the outside of shell, foot pedal is equipped on the downside of shell；It further include wirerope, the wirerope is matched with rope groove, and both ends pass through the aperture on transmission gear up and down respectively, shell is stretched out in the aperture on deceleration blade, spring, the aperture on shell.Structure described in the utility model will not generate heat in the process of running, and brake force is adjustable, be suitable for people's landing of different weight, wide adaptation range.Meanwhile this structure can be reused, and save the time with two-way use, it is highly-safe.

Description

A kind of high-altitude slow-falling device

Technical field

The utility model relates to a kind of rescue escape equipment, specifically a kind of high-altitude slow-falling device is mainly used for people Emergency descent is needed to be used in high building or other high-altitude places.

Background technique

With the development of economy, high buildings and large mansions rise everywhere.When there is dangerous situation in high building or high-altitude, such as fire, earthquake, Personnel need emergent self-rescue to escape or evacuate.Therefore, various high-altitude slow-falling devices cause the attention of people from all walks of life.

The crux of high-altitude slow-falling device technology is slow drop, to reach slow drop and seek to the slow drop dress for effectively generating damping action It sets.Currently, there are many this kind of type of device both at home and abroad, but actually launch and what people can trust to use is not also very It is more.Tracing it to its cause mainly has the following aspects: first is that some is with hydraulic or pneumatic make ramp-down device.It often leads to tie in this way Structure complexity is at high cost；Second is that some electricity consumption power is as power.But electric power is often difficult to ensure under urgent or emergency situation；Third is that The ramp-down device of the most of descending lifelines of reality is using various friction mechanisms.Friction mechanism is familiar and common Device.But there are two problems to merit attention, one is friction can generate heat, especially distance is long and continuous use, friction can generate Quite high temperature even makes mechanism kill failure；The second is when people is from high-altitude descending, speed can because the difference of weight and There is very big variation, or even five times or more can be differed；In addition, this kind of device can only be generally arranged for certain height, applicability Difference.

Therefore, design it is a kind of it is structurally reasonable, manufacturing cost is low, it is easy to use, ensure that safe high-altitude slow-falling device has become For the public needs expected with society.

Utility model content

The purpose of the utility model is to provide a kind of high-altitude slow-falling devices, have structure simple, using machine driving, controllability It is good, can Reusability, the advantages of strong applicability, to overcome above-mentioned defect.

The utility model is achieved by the following technical solution: a kind of high-altitude slow-falling device, including shell, feature exist In:

It is equipped with core cylinder inside housings, core cylinder is fixedly connected with the casing by fixing axle；

Further include the transfer roller matched with core cylinder, is equipped with spiral rope groove in roll surface, is set in transfer roller upper/lower terminal There is transmission gear；It further include the deceleration blade matched with transmission gear, the deceleration blade is arranged on shell by spring；

Speed reducer is connected in the fixing axle of core cylinder two sides, speed reducer outer is equipped with disk tooth, is equipped with and disk on shell The retarder that tooth matches；It is integrally formed with circular brake disc in a speed reducer, is additionally provided in speed reducer and driving cog Take turns the disk hole being meshed；

It is also screwed with two handles in shaft, the torsionspring matched with handle is additionally provided between handle and shaft, The brake block matched with brake disc inner circle is respectively equipped on handle；

It is equipped with the safety door hook matched with safety belt in the outside of shell, foot pedal is equipped on the downside of shell；

It further include wirerope, the wirerope is matched with rope groove, and both ends pass through on transmission gear up and down respectively Aperture, the aperture on deceleration blade, spring, the aperture on shell stretch out shell.

It is further: to further include hanging stick, hanging stick front end is equipped with hook, and rear end is equipped with first, second liang of clamping plate, and two clamp Angle is 90 degree between plate, and the first clamping plate is fixed with sunpender, and the second clamping plate is socketed in sunpender tail portion, is equipped in sunpender tail portion Screw thread and the fastening bolt matched with screw thread.

Further: the speed reducer is ratchet, is equipped with ratchet on the outside of speed reducer, is equipped on shell and matches with ratchet Pawl.

It is further: bearing is equipped between core cylinder and transfer roller.

Further: the rope groove cross-section is c-type.

It is further: rubber mat is equipped in the rope groove.

Further: the rope groove angle with horizontal plane is 30-60 degree.

Further: the brake block connects in succession with Handle axis.

The utility model has the advantages that: structure described in the utility model is matched using the rotation of core roller with wirerope, Substantially reduce decrease speed, and the cooperation of core roller and wirerope is equivalent to the cooperation of movable pulley, between frictional force be quiet Frictional force there is no opposite dynamic friction, therefore, will not generate heat.In addition, this structure is subtracted by a variety of ways of deceleration Speed braking, and brake force is adjustable, is suitable for people's landing of different weight, wide adaptation range.Meanwhile this structure can be made with two-way With after outrunner's landing, subsequent people will can directly be buckled in top towards the sling of above ground portion and use, not only can be with Recycling, and the time is saved, it is highly-safe.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the core roller segment structure chart of the utility model；

Fig. 3 is the brake block and relevant portion structural schematic diagram of the utility model；

Fig. 4 is the utility model ratchet portions structural schematic diagram；

Fig. 5 is the utility model hanging stick partial structure diagram；

Fig. 6 is the utility model ropewinder partial structure diagram；

Fig. 7 is Fig. 6 schematic cross-sectional view.

Number explanation in figure: 1 it is shell, 2 is core cylinder, 3 is fixing axle, 4 is transfer roller, 5 is rope groove, 6 is transmission gear, 7 It is spring for deceleration blade, 8,9 be speed reducer, 10 be brake disc, 11 be disk hole, 12 be handle, 13 be brake block, 14 is steel wire Rope, 15 be hanging stick, 16 be link up with, 17 be the first clamping plate, 18 be the second clamping plate, 19 be fastening bolt, 20 be bearing, 21 be Retarder 100 is shell, 101 be safety belt, 102 be fixing axle, 200 be wiring roller, 300 be safety rope, 400 be transmission Set, 500 be non-return ratchet structure, 501 be non-return ratchet, 502 be non-return pawl, 503 be axle sleeve, 504 be non-return torsional spring, 505 It is driving pawl structure for non-return pin shaft, 600,601 be driving ratchet, 602 be driving pawl, 603 be driving wheel, 604 is drive Dynamic torsional spring, 605 be driving bearing pin, 700 be drive chain, 701 be foot-operated.

Specific embodiment

It is as shown in figs. 1-7 a kind of high-altitude slow-falling device of the utility model, including a hollow shell 1, is equipped with inside housings Core cylinder 2, core cylinder outside are welded and fixed the modes such as connection or integrally connected with enclosure interior by fixing axle 3 and connect；Core cylinder, shell It is relatively fixed motionless with fixing axle；

Further include the transfer roller 4 matched with core cylinder, transfer roller main body be it is cylindric, can be rotated in core cylinder；In roll surface Equipped with the rope groove 5 for placing wirerope (or other corresponding cables), rope groove is in the helical setting of roll surface, in transfer roller Upper/lower terminal is fixed with transmission gear 6, and transmission gear central axis and transfer roller axis coaxle are arranged, and rotate synchronously with transfer roller；Also Including the deceleration blade 7 matched with transmission gear, the deceleration blade is friction plate, is arranged on shell by spring 8, with shell Elastic connection；The side (i.e. upper and lower surfaces in figure) of spring supporting deceleration blade and transmission gear rubs, with provide resistance from And achieve the purpose that deceleration；

Speed reducer 9 is connected in fixing axle, the speed reducer there are two groups, and Relative distribution is in core cylinder two sides, every group of deceleration There are two disks, is distributed up and down, connects cooperation with fixing axle axis respectively, and upper and lower two speed reducers can be cooperated by disk tooth engagement, It can be respectively independent；Circular brake disc 10 is integrally formed at least one of them speed reducer, be additionally provided in speed reducer with The disk hole 11 that transmission gear is meshed；By the cooperation of transmission gear and disk hole, it is transmitted to the rotation of transfer roller in speed reducer, It can be by controlling the limitation of speed reducer the rotation of transfer roller；

It is also screwed with two handles 12 in shaft, the torsionspring matched with handle is additionally provided in shaft, makes handle It is kept in the case where not by external force in situ；The brake block matched with cyclic annular brake disc inner circle is respectively equipped on two handles 13；

It is equipped with the safety door hook matched with safety belt in the outside of shell, is equipped with foot pedal in downside；

It further include wirerope 14, the wirerope is matched with rope groove, and both ends pass through transmission gear up and down respectively On aperture, the aperture on deceleration blade, spring, the aperture on shell stretch out shell, one end of wirerope is matched with fixture, The other end falls to ground.

In this structure, the transfer roller cooperation that is screwed on opposite with core cylinder, in vertical direction by between transmission gear and speed reducer Cooperation limit；Transfer roller rotates under the drive of wirerope, and the relative motion between wirerope is transformed into the rotation of transfer roller Transhipment is dynamic, and transmission gear and transfer roller coaxial rotating impart power to speed reducer, make transhipment phase of the movement of speed reducer with pavilion roller Association can control the rotation of transfer roller, and then control and steel in turn by the rotation of control speed reducer and/or transmission gear Relative motion between cord, that is, control the speed of decline.

It is preferred: to further include hanging stick 15, hanging stick front end is equipped with hook 16, can match with wirerope, fixed wirerope one End；Rear end is equipped with first, second liang of clamping plate, and angle is 90 degree between two clamping plates, and the first clamping plate 17 is fixed with sunpender, the Two clamping plates 18 are socketed in sunpender tail portion, and two clamping plates, which match, can clamp the fixtures such as wall to reach fixed purpose, and two Angle is 90 degree of settings between clamping plate, its can be made more stable, reduces and shakes；Sunpender tail portion be equipped with screw thread and with screw thread phase The fastening bolt 19 of cooperation.

Preferred: the retarder is the damping gear matched with disk tooth, and damping gear is fixed on shell, passes through resistance The damping action of Buddhist nun's gear has the function that deceleration.

Preferred: the disk tooth on the outside of speed reducer is ratchet, and the retarder is the pawl matched with ratchet, the pawl It is connect in succession with shell axis, two pawls are alternately gone up and down under the action of ratchet, each goes up and down the rotation of a corresponding ratchet, make to subtract Fast disk rotated stepwise, achievees the purpose that deceleration.

It is preferred: bearing 20, the friction being further reduced between transfer roller and core cylinder are equipped between core cylinder and transfer roller.

Preferred: the rope groove cross-section is c-type；Rubber mat is equipped in the rope groove；The rope groove angle with horizontal plane is 30- 60 degree.

Preferred: the brake block connects in succession with Handle axis, and brake block is in crescent shape, and outside and brake disc inner circle match It closes, pulls handle, achieve the purpose that brake.

It preferably, further include ropewinder, the ropewinder includes shell 100 and the safety belt 101 that is fixed on shell, shell It is equipped with fixing axle 102 in vivo, wiring roller 200 is connected in fixing axle, 300 one end of safety rope is fixed on wiring roller, The other end is pierced by shell and is equipped with sling, and sling can be matched with safety door hook；

Further include drive sleeve 400, drive sleeve with wiring roller is concentric fixes, non-return ratchet structure is equipped on the inside of drive sleeve 500, driving pawl structure 600 is equipped on the outside of drive sleeve, the cooperation of both non-return ratchet structure and driving pawl structure makes to drive Set can and can only move in a direction.

The non-return ratchet structure 500 includes non-return ratchet 501, non-return pawl 502, axle sleeve 503 and non-return torsional spring 504, The non-return ratchet is arranged on drive sleeve inner periphery, and the axle sleeve is keyed in fixing axle, and more non-return pawls are distinguished It is uniformly movably connected on sleeve outer circle week through non-return pin shaft 505, the non-return claw head of non-return pawl and non-return pawl center of gravity difference Positioned at non-return pin shaft two sides, the torsional spring is connected on pin shaft, and the bipod of torsional spring is separately connected pawl and axle sleeve；The driving spine Wheel construction 600 includes driving ratchet 601, driving pawl 602, driving wheel 603, driving torsional spring 604, and the driving ratchet setting exists On 603 inner periphery of driving wheel, more driving pawls are uniformly movably connected on drive sleeve excircle through driving bearing pin 605 respectively, The pawl head and driving pawl center of gravity for driving pawl are located at driving bearing pin two sides, and the driving torsional spring is connected to driving bearing pin On, drive the bipod of torsional spring to be separately connected driving pawl and drive sleeve；The excircle of driving pawl is equipped with to match with driving pawl The drive chain 700 of conjunction, drive chain around the excircle upside of driving pawl, stretch out hull outside and be simultaneously equipped with foot-operated 701 by both ends.

The wirerope of descending lifeline when in use, is first linked up with high-level fixation by high-altitude slow-falling device described in the utility model Locate, on the hanging stick being such as fixed on the wall, wirerope is matched with transfer roller, and when needing to decline, personnel will pacify with good safety belt Full band is hooked on safety door hook, and preparation can be rapidly completed, can adjust decrease speed during decline in several ways, It is not limited by weight etc..It can also be matched with ropewinder, in advance by the safety rope of ropewinder and the safety door hook phase on descending lifeline It is fixed, and fixed device (such as buckle can be arranged on wirerope thereunder, to prevent its decline) will be set on descending lifeline, this Multiple descending lifelines can be arranged on a rope in structure, and each descending lifeline is matched with a ropewinder, personnel indoors band it is good and It after ropewinder is worked good, jumps out outside window, is raised to descending lifeline position using ropewinder, open fixed device, fall safely.With volume Device structure of restricting be particularly suitable for that hanging stick is longer or bearing farther out the case where, personnel can be made far from hazardous environment, such as fire source.

Structure described in the utility model is matched with wirerope using the rotation of core roller, substantially reduces decrease speed, And the cooperation of core roller and wirerope is equivalent to the cooperation of movable pulley, between frictional force be stiction, there is no phase Pair dynamic friction therefore will not generate heat.In addition, this structure carries out retarding braking by a variety of ways of deceleration, and brake force can It adjusts, is suitable for people's landing of different weight, wide adaptation range.Meanwhile this structure can be with two-way use, when outrunner lands Afterwards, subsequent people can use top is directly buckled in towards the sling of above ground portion, can not only reuse, and save It is time, highly-safe.

Claims (9)

1. a kind of high-altitude slow-falling device, including shell, it is characterised in that: inside housings be equipped with core cylinder, core cylinder by fixing axle with Shell is fixedly connected；Further include the transfer roller matched with core cylinder, is equipped with spiral rope groove in roll surface, it is upper and lower in transfer roller Both ends are equipped with transmission gear；It further include the deceleration blade matched with transmission gear, the deceleration blade is arranged by spring in shell On；

Speed reducer is connected in the fixing axle of core cylinder two sides, speed reducer outer is equipped with disk tooth, is equipped with and disk tooth phase on shell The retarder of cooperation；It is integrally formed with circular brake disc in a speed reducer, is additionally provided in speed reducer and transmission gear phase The disk hole of engagement；It is also screwed with two handles in shaft, the torsionspring matched with handle is additionally provided between handle and shaft, The brake block matched with brake disc inner circle is respectively equipped on handle；The peace matched with safety belt is equipped in the outside of shell Full hook is equipped with foot pedal on the downside of shell；Further include wirerope, the wirerope is matched with rope groove, both ends respectively upwards and It is passed down through the aperture on transmission gear, shell is stretched out in the aperture on deceleration blade, spring, the aperture on shell.

2. high-altitude slow-falling device according to claim 1, it is characterised in that: it further include hanging stick, hanging stick front end is equipped with hook, after End is equipped with first, second liang of clamping plate, and angle is 90 degree between two clamping plates, and the first clamping plate is fixed with sunpender, and second clamps Plate is socketed in sunpender tail portion, in the fastening bolt that sunpender tail portion is equipped with screw thread and matches with screw thread.

3. high-altitude slow-falling device according to claim 1, it is characterised in that: the speed reducer is ratchet, is set on the outside of speed reducer There is ratchet, the pawl matched with ratchet is equipped on shell.

4. high-altitude slow-falling device according to claim 1, it is characterised in that: be equipped with bearing between core cylinder and transfer roller.

5. high-altitude slow-falling device according to claim 1, it is characterised in that: the rope groove cross-section is c-type.

6. high-altitude slow-falling device according to claim 1, it is characterised in that: be equipped with rubber mat in the rope groove.

7. high-altitude slow-falling device according to claim 1, it is characterised in that: the rope groove angle with horizontal plane is 30-60 degree.

8. high-altitude slow-falling device according to claim 1, it is characterised in that: the brake block connects in succession with Handle axis.

9. high-altitude slow-falling device according to claim 1, it is characterised in that: further include ropewinder, the ropewinder includes shell Body and fixed safety belt on the shell, shell is interior to be equipped with fixing axle, and wiring roller, safety rope one end are connected in fixing axle It is fixed on wiring roller, the other end is pierced by shell and is equipped with the sling matched with safety door hook；It further include drive sleeve, drive sleeve With wiring roller is concentric fixes, non-return ratchet structure is equipped on the inside of drive sleeve, driving pawl structure is equipped on the outside of drive sleeve； The non-return ratchet structure includes non-return ratchet, non-return pawl, axle sleeve and non-return torsional spring, and the non-return ratchet is arranged in drive sleeve On inner periphery, the axle sleeve is keyed in fixing axle, and more non-return pawls are uniformly movably connected on through non-return pin shaft respectively On sleeve outer circle week, the non-return torsional spring is connected on pin shaft, and the bipod of non-return torsional spring is separately connected pawl and axle sleeve；The drive Dynamic ratchet structure includes driving ratchet, driving pawl, torsional spring, and the driving ratchet is arranged on driving wheel inner periphery, more drives Pawl is uniformly movably connected on drive sleeve excircle through driving bearing pin respectively, drives the pawl head and driving pawl center of gravity of pawl Driving bearing pin two sides are located at, driving torsional spring is connected in driving bearing pin, and the bipod of the driving torsional spring is separately connected driving Pawl and drive sleeve；The excircle of driving pawl is equipped with the drive chain matched with driving pawl, and drive chain bypasses driving pawl Excircle on the upside of, both ends stretch out outer side of shell be simultaneously equipped with it is foot-operated.