CN206239907U - Belt high-rise escape apparatus - Google Patents

Abstract

The utility model discloses a kind of belt high-rise escape apparatus, including Constant-Speed Unit and carrying belt, the Constant-Speed Unit includes housing, transmission mechanism and escapement are provided with housing, transmission mechanism includes driving wheel and drive, driving wheel links with drive and sets, driving wheel is engaged with carrying belt, the escapement includes first gear group, second gear group and be arranged on first gear group and and the releasing plate between second gear group, first gear group includes first gear and the first escape wheel, first gear and the linkage of the first escape wheel are set, and first gear is connected with drive engagement, second gear group includes second gear and the second escape wheel, second gear and the linkage of the second escape wheel are set, and second gear is connected with drive engagement, the tooth pitch of first escape wheel is identical with the tooth pitch of the second escape wheel.Using said structure, the component wear in Constant-Speed Unit is small, long service life.

Description

Belt high-rise escape apparatus

Technical field

The utility model belongs to fire-fighting evacuation safety technical field, especially a kind of belt high-rise escape apparatus.

Background technology

Nowadays, when the live and work place of people is increasingly developed to high-altitude, after running into burst fire-disaster Escape means just become more difficult with the increase of the building number of plies, due to by existing some fire-fighting rescue equipments work(in itself The restriction of energy, rescue personnel is difficult while substantial amounts of trapped person is rescued.The single descending lifeline that tradition is used has very big again Potential safety hazard, it is afraid of water, inflammable, be afraid of oil etc., if other liquid such as water or oil enter descending lifeline, the brake pad in centrifugal mechanism Frictional force will reduce moment, slow drop person can be allowed to drop suddenly, cause casualties, and such product in storage simultaneously deposit In reliability and security hidden danger not high.

In order to overcome deficiency of the prior art, a kind of chain type high building is disclosed in Chinese patent CN201320114154.4 Life saver for conflagration, is made up of carrying chain, multiple life-saving Constant-Speed Units, this method solve the deficiency of traditional descending lifeline, but Carry chain to be made up of multiple chain pieces, the connection of two neighboring chain piece built on the sand, fracture easily occurs, slow drop person is fallen, and Or can exist and carry that chain is overweight, the off size reason of chain pitch causes Constant-Speed Unit stuck failure easily occur in working, while permanent Speed control unit short life, the shortcomings of big, heating is fast of wearing and tearing in speed variator.

The content of the invention

In order to overcome the deficiencies in the prior art, the utility model is engaged with Constant-Speed Unit there is provided a kind of carrying belt and precisely kept away Exempt from Constant-Speed Unit interim card, the component wear in Constant-Speed Unit is small, the belt high-rise escape apparatus of long service life.

To achieve these goals, the technical solution adopted in the utility model is：A kind of belt high-rise escape apparatus, including perseverance Speed variator and carrying belt, the Constant-Speed Unit include housing, and transmission mechanism and escapement, transmission mechanism bag are provided with housing Include driving wheel and drive, driving wheel links with drive and sets, driving wheel is engaged with carrying belt, the escapement includes the One gear train, second gear group and be arranged on first gear group and and the releasing plate between second gear group, first gear group Including first gear and the first escape wheel, first gear and the linkage of the first escape wheel are set, and first gear is engaged with drive Connection, second gear group includes second gear and the second escape wheel, and second gear and the linkage of the second escape wheel are set, and the second tooth Wheel is engaged with drive and is connected, and the tooth pitch of first escape wheel is identical with the tooth pitch of the second escape wheel, and releasing plate is arranged on the Between one escape wheel and the second escape wheel and guiding is arranged on the inwall of housing, the two ends of the releasing plate are symmetrically arranged with the One salient point and the second salient point, when the first salient point is abutted with the gear teeth tooth top of the first escape wheel, the second salient point of releasing plate falls into In the teeth groove of the second escape wheel, when the second salient point is abutted with the gear teeth tooth top of the second escape wheel, the first salient point of releasing plate falls Enter in the teeth groove of the first escape wheel, first salient point and the of releasing plate is driven when the first escape wheel and the second escape wheel synchronous axial system Two salient points switch in tooth top and teeth groove so as to realize the control of active wheel speed successively.

In above-mentioned technical proposal, driving wheel under gravity with carrying belt engagement rotation, driving wheel drive drive Rotate, drive drives first gear and second gear to rotate again, and first gear and second gear drive the first escapement respectively again Wheel and the second escape wheel are rotated, so driving wheel, drive, first gear, the first escape wheel, second gear and the second escape wheel Synchronous axial system is, because driving wheel decrease speed under gravity is too fast, is easy to cause danger during the use of survivor, So needing escapement to be slowed down, Constant-Speed Unit is set to decline in the speed of regulation, decrease speed is by driving wheel, transmission Size between wheel, first gear, the first escape wheel, second gear and the second escape wheel each gear is controlled, and first The tooth pitch of escape wheel and the second escape wheel is consistent could to ensure that releasing plate is smoothly past between the first escape wheel and the second escape wheel It is multiple mobile, cause the first salient point or the second salient point constantly from previous tooth by the rotation of the first escape wheel or the second escape wheel Groove falls into latter teeth groove by tooth top again, and the side or for promoting the first salient point is rotated in the first escape wheel or the second escape wheel When the side of two salient points is moved, the gear teeth of the gear teeth of the first escape wheel or the second escape wheel are convex with the side of the first salient point or second The side of point rubs, the decrease speed of effective control Constant-Speed Unit, it is to avoid survivor is during decline because of speed mistake Cause danger soon, the first escape wheel, the second escape wheel and releasing plate are collided by rotation and sliding, wear and tear small, use Long lifespan.

As further setting of the present utility model, guide plate, releasing plate and guiding are provided with the inwall of the housing Plate is oriented to and sets, and first escape wheel and the second escape wheel are in setting up and down, the first escape wheel, drive relative to drive With the centerline of the second escape wheel in same straight line, first escape wheel is consistent with the size and shape of the second escape wheel And be symmetrical set.

In above-mentioned technical proposal, releasing plate is moved back and forth between the first escape wheel and the second escape wheel, guide plate Be disposed to make axial movement of the releasing plate between the first escape wheel and the second escape wheel, releasing plate, the first escape wheel and Second escape wheel can be set close to the inwall of housing, can so reduce the volume and enhancing escapement of Constant-Speed Unit Stability, but the so friction of releasing plate, the first escape wheel and the second escape wheel to inner walls can larger, easily grinds Damage, therefore one piece of backing plate is set between inner walls and escapement, the backing plate is the steel plate by being heat-treated, and hardness is resistance to greatly The as two ends in the same diameter of drive setting up and down of mill, long service life, the first escape wheel and the second escape wheel, the The center of one escape wheel, drive and the second escape wheel is point-blank, so that drive and the first escape wheel and The power of the engagement linkage of the second escape wheel is more balanced, and structure is more stable, it is not easy to error or situation about blocking occurs, fills constant speed Put safety and reliability when in use.

Used as further setting of the present utility model, the driving wheel is set with drive coaxial linkage, in releasing plate Portion is provided with guide through hole, and the connecting shaft between driving wheel and drive is extended through guide through hole, the first gear Fix or be wholely set with the first escape wheel, second gear is fixed or be wholely set with the second escape wheel.

In above-mentioned technical proposal, driving wheel is coaxially disposed the volume that can reduce Constant-Speed Unit, driving wheel and biography with drive Driving wheel can be wholely set, or split is set, and preferably split is set, and is so more convenient installation, preferred the One gear is wholely set with the first escape wheel, and second gear is wholely set with the second escape wheel, can so make the biography being linked Pass in hgher efficiency, it is to avoid the first escape wheel and the second escape wheel are asynchronous, driving wheel is located at the end face of drive, the first escapement Wheel, releasing plate and the second escape wheel are in the other end of drive, and first gear and second gear are in same with drive Plane, it is overall into left, center, right structure, compact conformation, small volume.

As further setting of the present utility model, cover plate is provided with the housing, the side of cover plate is hinged on housing Upper formation affixed side, opposite side is active side, and fixed insurance institution is provided between active side and housing, and active side is led to housing After crossing fixed insurance institution's connection, the passage passed through for carrying belt is formed between cover plate and housing, the carrying belt is sheet one Body formula structure, is provided with the perforation being adapted to the gear teeth of driving wheel on carrying belt, carrying belt makes perforation and driving wheel through passage Gear teeth meshing.

In above-mentioned technical proposal, fixed insurance institution refers to that some make the active side of cover plate removable with the connection activity of housing Structure, cover plate facilitates carrying belt to install by being hinged upset, when using, releases fixed insurance institution, makes the active side of cover plate Along affixed side rotating opening cover plate, carrying belt is laid, the perforation on carrying belt is alignd with the gear teeth of driving wheel and engage, by cover plate Cover active side to be connected with housing by fixed insurance institution, carrying belt growth bar shaped is direct by alloyed steel strip or stainless steel band Punching is made, and perforation is evenly distributed on carrying belt, easy to process, low cost, and the shape size of passage is and carrying belt Adaptation, makes Constant-Speed Unit during decline, and carrying belt will not be rocked arbitrarily, strengthens stability and security.

As further setting of the present utility model, brake member is provided with the housing, brake member includes being located at housing Outer operating side and the joint end in housing, operating side and joint end are fixed or are wholely set, and the brake member is hinged and sets Put on housing, the end of its joint end is provided with clamping joint, the clamping joint can be with the teeth groove of driving wheel when brake member swings Coordinate the rotation of limitation driving wheel.

In above-mentioned technical proposal, Constant-Speed Unit when in use, need to carrying belt coordinate after can decline, when Constant-Speed Unit with Carrying belt needs the gear teeth meshing first by the perforation of carrying belt and driving wheel in combination, and cover plate is then connected into locking with housing, This process needs the mobile time, and when installation is combined, driving wheel is easily rotated, and not only brings difficulty to installation, and Lose time, and Constant-Speed Unit will glide under gravity, easily cause that cover plate is not locked or survivor does not have Get out the situation that Constant-Speed Unit just declines, be so susceptible to danger, there is provided after brake member, do not use when Constant-Speed Unit or When installation is combined with carrying belt, rotate in the teeth groove that brake member makes clamping joint fall into driving wheel and form clamping engagement with the gear teeth, The purpose that limitation driving wheel is rotated is reached, security is improved.

As further setting of the present utility model, be additionally provided with hitch gear on the housing, hitch gear include with Housing is fixed or the hanging plate being wholely set, the locating part that is arranged on housing, and hanging plate is provided with hanging groove away from the end both sides of housing, Locating part includes banking stop and the spacing hole being arranged on hanging plate, and spacing hole is located at the top of hanging groove, and one end of banking stop is hinged On housing, the other end sets towards hanging plate bending and constitutes positive stop end, and positive stop end may pass through spacing hole and is placed in hanging groove by rotation Top.

In above-mentioned technical proposal, during use, survivor need to tie up safety belt with, be provided with safety belt for The safety buckle of Constant-Speed Unit chain is connected, is then declined by Constant-Speed Unit, being disposed to of locating part prevents safety buckle and hang Groove is skidded off in use after coordinating, the situation for causing survivor midway to fall, and improves the safety in utilization of Constant-Speed Unit.

Using such scheme, by under the cooperation control Constant-Speed Unit of the first escape wheel, releasing plate and the second escape wheel Reduction of speed degree, makes the decrease speed of Constant-Speed Unit meet national standard, and compared with prior art, all parts of escapement it Between wear and tear small, long service life, small volume, low cost is conveniently placed and used.

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

Brief description of the drawings

Accompanying drawing 1 is the utility model specific embodiment schematic appearance；

Accompanying drawing 2 is that the structure that the utility model specific embodiment brake member, locating part and cover plate are under open mode is shown It is intended to；

Accompanying drawing 3 is the front view of the utility model specific embodiment transmission mechanism and escapement；

Accompanying drawing 4 is the rearview of the utility model specific embodiment transmission mechanism and escapement；

Accompanying drawing 5 is the structural representation of the utility model specific embodiment releasing plate and guide plate；

Accompanying drawing 6 is the utility model specific embodiment structure decomposition figure；

Accompanying drawing 7 is the Structure explosion diagram of the utility model specific embodiment transmission mechanism；

Accompanying drawing 8 is the integrally-built top view of the utility model specific embodiment；

Accompanying drawing 9 is the partial enlarged drawing of the utility model specific embodiment lock buckling part；

Accompanying drawing 10 is the utility model specific embodiment A-A structure sectional views；

Accompanying drawing 11 is structural representation when the utility model specific embodiment Constant-Speed Unit coordinates with carrying belt.

Specific embodiment

The utility model is specifically described below by embodiment, is served only for carrying out further the utility model Explanation, it is impossible to be interpreted as the restriction to the utility model protection domain, the technician in the field can be according to above-mentioned practical new The content of type makes some nonessential modifications and adaptations to the utility model.

Specific embodiment of the utility model as shown in figs. 1-11, a kind of belt high-rise escape apparatus, including the He of Constant-Speed Unit 1 Carrying belt 2, the Constant-Speed Unit 1 includes being provided with transmission mechanism 12 and escapement 13, transmission mechanism in housing 11, housing 11 12 include driving wheel 121 and drive 122, and driving wheel 121 is linked with drive 122 and sets, and driving wheel 121 is nibbled with carrying belt 2 Close, the escapement 13 include first gear group 131, second gear group 132 and be arranged on first gear group 131 with and the Releasing plate 133 between two gear trains 132, first gear group 131 includes the escape wheel 1312 of first gear 1311 and first, first The linkage of 1311 and first escape wheel of gear 1312 is set, and first gear 1311 is connected with the engagement of drive 122, second gear group 132 include the escape wheel 1322 of second gear 1321 and second, and the linkage of 1321 and second escape wheel of second gear 1322 is set, and the Two gears 1321 are connected with the engagement of drive 122, the size and shape of the escape wheel 1322 of first escape wheel 1312 and second Consistent and be symmetrical set, releasing plate 133 is arranged between the first escape wheel 1312 and the second escape wheel 1322 and is oriented to and sets Put on the inwall of housing 1, the two ends of the releasing plate 133 are symmetrically arranged with the first salient point 1331 and the second salient point 1332, when When first salient point 1331 is abutted with the gear teeth tooth top of the first escape wheel 1312, the second salient point 1332 of releasing plate 133 falls into second In the teeth groove of escape wheel 1322, when the second salient point 1332 is abutted with the gear teeth tooth top of the second escape wheel 1322, releasing plate 133 First salient point 1331 is fallen into the teeth groove of the first escape wheel 1312, the first escape wheel 1312 and the synchronous axial system of the second escape wheel 1322 When drive releasing plate 133 the first salient point 1331 and the second salient point 1332 switch in tooth top and teeth groove successively so as to realize actively Take turns the control of 121 rotating speeds.Driving wheel 121 under gravity with the engagement rotation of carrying belt 2, driving wheel 121 drive drive 122 rotate, and drive 122 drives first gear 1311 and second gear 1321 to rotate again, first gear 1311 and second gear 1321 drive the first escape wheel 1312 and the second escape wheel 1322 to rotate respectively again, so driving wheel 121, drive 122, first Gear 1311, the first escape wheel 1312, the escape wheel 1322 of second gear 1321 and second are synchronous axial system, because of driving wheel 121 Decrease speed under gravity is too fast, is easy to cause danger during the use of survivor, so needing escapement 13 to enter Row slows down, and Constant-Speed Unit 1 is declined in the speed of regulation, and decrease speed is by driving wheel 121, drive 122, first gear 1311st, size between the first escape wheel 1312, escape wheel 1322 each gear of second gear 1321 and second is controlled, First escape wheel 1312 is consistent with the tooth pitch of the second escape wheel 1322 could to ensure releasing plate in the first escape wheel 1312 and second Smoothly moved back and forth between escape wheel 1322, first is caused by the rotation of the first escape wheel 1312 or the second escape wheel 1322 The salient point 1332 of salient point 1331 or second constantly falls into latter teeth groove from previous teeth groove again by tooth top, in the first escape wheel 1312 or the second escape wheel 1322 rotate promote the first salient point 1331 side or the second salient point 1332 side move when, first The side or the side of the second salient point 1332 of the gear teeth and the first salient point 1331 of the gear teeth of escape wheel 1312 or the second escape wheel 1322 Side rubs, the decrease speed of effective control Constant-Speed Unit 1, it is to avoid survivor sends out during decline because of excessive velocities Raw dangerous, the first escape wheel 1312, the second escape wheel 1322 and releasing plate 133 are collided by rotation and sliding, are worn and torn small, Long service life.

The guide plate 111 that opposition is set, releasing plate are provided with the inwall of above-mentioned housing 11 with the corresponding position of releasing plate 133 133 are located between two guide plates 111, and gathering sill 1111, releasing plate are provided with the relative medial surface of two guide plates 111 133 both sides are provided with the guiding convex tendon 1333 for being oriented to gathering sill 1111 and being coordinated, the salient point of first salient point 1331 and second 1332 can be that triangle can also be semicircle, and the gear teeth of the first escape wheel 1312 and the second escape wheel 1322 can be triangle Shape can also be semicircle, certain first salient point 1331, the second salient point 1332, the gear teeth and the second escapement of the first escape wheel 1312 The gear teeth of wheel 1322 can also be other shapes, as long as realizing side and the gear teeth of the first escape wheel 1312 of the first salient point 1331 Contact aside friction, the contact aside friction of the side of the second salient point 1332 and the gear teeth of the second escape wheel 1322 is described First escape wheel 1312 and the second escape wheel 1322 are in setting up and down, the first escape wheel 1312, drive relative to drive 122 122 and second escape wheel 1322 centerline in same straight line.Releasing plate 133 is in the first escape wheel 1312 and the second escapement Moved back and forth between wheel 1322, guide plate 111 is disposed to make releasing plate 133 along the first escape wheel 1312 and the second escapement Axial movement between wheel 1322, releasing plate 133, the first escape wheel 1312 and the second escape wheel 1322 can be close to housing 11 Inwall set, can so reduce Constant-Speed Unit 1 volume and enhancing escapement 13 stability, but so escapement The friction of plate 133, the first escape wheel 1312 and the second escape wheel 1322 to the inwall of housing 11 can be larger, easily abrasion, therefore One piece of backing plate 112 is set between the inwall of housing 11 and escapement 13, and the backing plate 112 is the steel plate by being heat-treated, and hardness is big It is wear-resisting, long service life, the first escape wheel 1312 and the second escape wheel 1322 it is setting up and down be it is same in drive 122 The two ends of diameter, the first escape wheel 1312, the escape wheel 1322 of drive 122 and second center point-blank, so So that drive 122 is more balanced with the power for engaging linkage of the first escape wheel 1312 and the second escape wheel 1322, structure is more stable, It is not easy the situation for error occur or blocking, makes the safety and reliability when in use of Constant-Speed Unit 1.

Above-mentioned driving wheel 121 is set with the coaxial linkage of drive 122, and connection is provided between driving wheel 121 and drive 122 Dynamic structure 123, linkage structure 123 includes the fixture block 1231 being arranged on driving wheel 121, is provided with drive 122 and fixture block 1231 form the draw-in groove 1232 being engaged by clamping, and the middle part of releasing plate 133 is provided with guide through hole 1334, driving wheel 121 and transmission Connecting shaft 124 between wheel 122 is extended through guide through hole 1334, and the two ends of connecting shaft 124 stretch out pass respectively Housing 11, the exposed part outside housing 11 forms the handle portion 1241 grasped for survivor, and connecting shaft 124 is fixed on housing 11 On, the first gear 1311 is fixed or is wholely set with the first escape wheel 1312, the escape wheel of second gear 1321 and second 1322 fix or are wholely set.Driving wheel 121 is coaxially disposed the volume that can reduce Constant-Speed Unit 1, driving wheel with drive 122 121 can be wholely set, or split setting with drive 122, and preferably split is set, and is so more convenient peace Dress, preferred first gear 1311 is wholely set with the first escape wheel 1312, the escape wheel 1,322 1 of second gear 1321 and second Body is set, and can so make the transmission efficiency being linked higher, it is to avoid the first escape wheel 1312 and the second escape wheel 1322 are different Step, driving wheel 121 is located at the end face of drive 122, at the first escape wheel 1312, the escape wheel 1322 of releasing plate 133 and second In the other end of drive 122, first gear 1311 and second gear 1321 are in same plane with drive 122, overall Into left, center, right structure, compact conformation, small volume.

Cover plate 113 is provided with above-mentioned housing 11, the side of cover plate 113 is hinged on formation affixed side 1131 on housing 11, Opposite side is active side 1132, and fixed insurance institution is provided between active side 1132 and housing 11, and fixed insurance institution includes Latch 114 and lock buckling part 116, latch 114 are used for the active side 1132 and housing 11 of connecting cover plate 113, the cover plate 113 Active side 1132 is provided with the latch passage 115 passed through for latch 114, the inwall of latch passage 115 with the junction of housing 11 Through hole 1151 is provided with, after active side 1132 is connected with housing 11, is formed between cover plate 113 and housing 11 and is passed through for carrying belt 2 Passage 117, the perforation 21 being adapted to the gear teeth of driving wheel 121 is provided with carrying belt 2, carrying belt 2 makes tooth through passage 117 Hole 21 and the gear teeth meshing of driving wheel 121.Cover plate 113 facilitates carrying belt 2 to install by being hinged upset, when using, releases lock Part 116, makes the active side 1132 of cover plate 113 along the rotating opening cover plate 113 of affixed side 1131, lays carrying belt 2, makes carrying belt Perforation 21 on 2 is alignd with the gear teeth of driving wheel 121 and engages, and cover plate 113 is covered into active side 1132 by latch 115 and housing 11 connections, then by the Fixed latches 115 of lock buckling part 116, it is to avoid latch 115 is skidded off causes cover plate 113 to be opened, and causes carrying belt 2 disengage with driving wheel 121, cause survivor to fall, and carrying belt is integral type structure, using alloyed steel strip or stainless steel band system Make, the shape size of passage 117 is adapted to carrying belt 2, makes Constant-Speed Unit 1 during decline, and carrying belt 2 will not arbitrarily shake It is dynamic, strengthen stability and security.

Above-mentioned lock buckling part 116 includes the inserting groove 1161 being arranged on the outer peripheral face of latch 115, is arranged on housing 11 The return unit of elastic plug connector and elastic plug connector, elastic plug connector aligns with through hole 1151, the insertion latch passage of latch 114 Inserting groove 1161 also aligns with through hole 1151 after 115, and elastic plug connector is set through through hole 1151 with the grafting of inserting groove 1161.It is excellent The inserting groove 1161 of choosing is circularized, as long as so the insertion latch of latch 114 passage 115 makes inserting groove 1161 move to the institute of through hole 1151 Position, without making inserting groove 1161 be alignd with through hole 1151 by rotating latch 114, save the lock time, bullet Property plug connector and latch 114 lock after, you can prevent latch 114 from deviating from up or down, ensure that cover plate 113 is connected with housing 11 Stability, improve security.

The inserting column that above-mentioned elastic plug connector includes inserting column 1162, is arranged on housing 11 and is adapted to inserting column 1162 Passage 1163, inserting column passage 1163 is set along the direction of vertical latch passage 115, and inserting column 1162 is in inserting column passage 1163 Inside move back and forth vertically, spring 1164, spring 1164 and inserting column are provided with the bottom surface of the inserting column passage 1163 1162 connect and drive inserting column 1162 to be set with the grafting of inserting groove 1161 through through hole 1151 by the elastic force of spring 1164, The return unit includes being arranged on strip through-hole 1165 on the inwall of inserting column passage 1163, and inserting column 1162 is towards strip through-hole Strip through-hole 1165 is provided through on 1165 side and the shifting block 1166 outside housing 11, the length of strip through-hole 1165 is extended to More than the width of shifting block 1166, shifting block 1166 is moved back and forth along the length direction of strip through-hole 1165.Due to the elasticity of spring 1164 The effect of power elapses inserting column 1162 along the direction of through hole 1151, when latch 114 inserts latch passage 115 to inserting column 1162 have the power that a court promotes away from the direction of through hole 1151, at this moment end face of the preferred inserting column 1162 towards through hole 1151 It is inclined-plane 1162a, can so facilitates latch 114 to promote inserting column 1162, when inserting groove 1161 and inserting column on latch 114 1162 it is coaxial when, inserting column 1162 inserted in the presence of the elastic force of spring 1164 inserting groove 1161, i.e. inserting column 1162 and insert The spacing matching relationship of 114 one-tenth of pin, when inserting column 1162 is in not coaxial with inserting groove 1161, inserting column 1162 is in the bullet of spring 1164 Property power in the presence of abutted with the extruding of the outer peripheral face of latch 114, when so can just make inserting column 1162 coaxial with inserting groove 1161, Inserting column 1162 is automatically inserted into inserting groove 1161, is resetted without human assistance, simple structure, firm, is easy to operation, when need by Latch 114 needs the effect of return unit when extracting, survivor is pushed to shifting block 1166 by inserting column 1162 toward away from through hole with hand 1151 direction movement, i.e., inserting column 1162 is pushed back in inserting column passage 1163, you can smoothly extracted latch 114, shifting block 1166 displacement on strip through-hole 1165 will meet releases inserting column 1162 from inserting groove 1161, such inserting column 1162 can just play locking and the function of unlocking, and the shape size of shifting block 1166 is adapted to strip through-hole 1165, shifting block 1166 outer peripheral face coordinates with the inwall gap of strip through-hole 1165, can so reduce friction, convenient to reset.

Brake member 118 is provided with above-mentioned housing 11, brake member 118 includes the operating side 1181 and position outside housing 11 In the joint end 1182 in housing 11, operating side 1181 and joint end 1182 are fixed or are wholely set, and the brake member 118 is hinged It is arranged on housing 11, the end of its joint end 1182 is provided with clamping joint 1182a, and clamping joint 1182a puts in brake member 118 The rotation of driving wheel 121 can be limited when dynamic with the tooth socket fit of driving wheel 121.Constant-Speed Unit 1 when in use, need to be with carrying belt 2 Can decline after cooperation, when Constant-Speed Unit 1 with carrying belt 2 when combining, need the perforation 21 of carrying belt 2 and driving wheel 121 first Gear teeth meshing, cover plate 113 is then connected locking with housing 11, this process needs the mobile time, and is installed in combination When, driving wheel 121 is easily rotated, and not only brings difficulty to installation, and is lost time, and Constant-Speed Unit 1 is under gravity Will glide, easily cause cover plate 113 do not lock or survivor be not ready for Constant-Speed Unit 1 just decline situation, Danger is so susceptible to, there is provided after brake member 118, do not used when Constant-Speed Unit 1 or when installation is combined with carrying belt 2, Rotate to be formed with the gear teeth in the teeth groove that brake member 118 makes clamping joint 1182a fall into driving wheel 121 and be engaged by clamping, reach limitation master The purpose that driving wheel 121 is rotated, improves security, and the structure of the similar L-type of 118 one-tenth of brake member, when brake member 118 does not brake, is grasped Make outer wall of the inwall of end 1181 against housing 11, the outer wall of housing 11 is provided with magnet 1183 with the corresponding position in operating side 1181, Brake member 118 is not arbitrarily rotated, Constant-Speed Unit 1 is not braked suddenly during decline.

Hitch gear 119 is additionally provided with above-mentioned housing 11, hitch gear 119 includes fixing or being wholely set with housing 11 Hanging plate 1191, the locating part 1192 that is arranged on housing 11, hanging plate 1191 is provided with hanging groove away from the end both sides of housing 11 1193, the other end of hanging plate 1191 is set in the support shaft 1323 of second gear group 132 to extension in housing 11, locating part 1192 include that banking stop 1192a and the spacing hole 1192b being arranged on hanging plate 1191, spacing hole 1192b are located at hanging groove 1193 Top, one end of banking stop 1192a is hinged on housing 11, and the other end sets towards the bending of hanging plate 1191 and constitutes positive stop end 1191a, Positive stop end 1191a may pass through the top that spacing hole 1192b is placed in hanging groove 1193 by rotating.During use, survivor need to be A safety belt is tied up with it, the safety buckle for connecting Constant-Speed Unit 1 is provided with safety belt, then declined by Constant-Speed Unit 1, Safety is fastened as T-shaped sheet, and hanging groove 1193 is adapted to clamping with safety buckle, and the inwall of hanging groove 1193 is provided with the card snapped in for safety buckle Groove 1193a, being disposed to of locating part 1192 prevents safety buckle and hanging groove 1193 from being skidded off in use after coordinating, and causes The situation that survivor falls midway, improves the safety in utilization of Constant-Speed Unit 1.

Claims (8)

1. a kind of belt high-rise escape apparatus, including Constant-Speed Unit and carrying belt, it is characterised in that：The Constant-Speed Unit includes shell Body, is provided with transmission mechanism and escapement in housing, transmission mechanism includes driving wheel and drive, and driving wheel joins with drive Dynamic to set, driving wheel is engaged with carrying belt, and the escapement is including first gear group, second gear group and is arranged on first Gear train and and the releasing plate between second gear group, first gear group include first gear and the first escape wheel, first gear Linked with the first escape wheel and set, and first gear is connected with drive engagement, second gear group includes second gear and second Escape wheel, second gear and the linkage of the second escape wheel are set, and second gear is connected with drive engagement, first escape wheel Tooth pitch it is identical with the tooth pitch of the second escape wheel, releasing plate is arranged between the first escape wheel and the second escape wheel and is oriented to setting On the inwall of housing, the two ends of the releasing plate are symmetrically arranged with the first salient point and the second salient point, when the first salient point and first When the gear teeth tooth top of escape wheel is abutted, the second salient point of releasing plate is fallen into the teeth groove of the second escape wheel, when the second salient point and the When the gear teeth tooth top of two escape wheels is abutted, the first salient point of releasing plate is fallen into the teeth groove of the first escape wheel, the first escape wheel and During the second escape wheel synchronous axial system drive releasing plate the first salient point and the second salient point successively in tooth top and teeth groove switching so as to Realize the control of active wheel speed.

2. belt high-rise escape apparatus according to claim 1, it is characterised in that：Guiding is provided with the inwall of the housing Plate, releasing plate and guide plate are oriented to and set, first escape wheel and the second escape wheel relative to drive in setting up and down, the The centerline of one escape wheel, drive and the second escape wheel in same straight line, first escape wheel and the second escape wheel Size and shape is consistent and is symmetrical set.

3. belt high-rise escape apparatus according to claim 1 and 2, it is characterised in that：The driving wheel is coaxial with drive Linkage is set, and guide through hole is provided with the middle part of releasing plate, and the connecting shaft between driving wheel and drive is prolonged through guide through hole Setting is stretched, the first gear is fixed or be wholely set with the first escape wheel, second gear is fixed or one with the second escape wheel Set.

4. belt high-rise escape apparatus according to claim 1 and 2, it is characterised in that：Cover plate is provided with the housing, is covered The side of plate is hinged on and affixed side is formed on housing, and opposite side is active side, and fixed insurance is provided between active side and housing Mechanism, after active side is connected with housing by fixed insurance institution, forms the passage passed through for carrying belt between cover plate and housing, The carrying belt is sheet integral structure, and the perforation being adapted to the gear teeth of driving wheel is provided with carrying belt, and carrying belt is passed through Passage makes the gear teeth meshing of perforation and driving wheel.

5. belt high-rise escape apparatus according to claim 1 and 2, it is characterised in that：Brake member is provided with the housing, Brake member includes the operating side outside housing and the joint end in housing, and operating side and joint end are fixed or integrally set Put, the brake member is hinged and is arranged on housing, the end of its joint end is provided with clamping joint, the clamping joint swings in brake member The tooth socket fit of Shi Keyu driving wheels limits the rotation of driving wheel.

6. belt high-rise escape apparatus according to claim 3, it is characterised in that：Brake member is provided with the housing, is stopped Car part includes the operating side outside housing and the joint end in housing, and operating side and joint end are fixed or be wholely set, The brake member is hinged and is arranged on housing, and the end of its joint end is provided with clamping joint, and the clamping joint is when brake member swings The rotation of driving wheel can be limited with the tooth socket fit of driving wheel.

7. belt high-rise escape apparatus according to claim 4, it is characterised in that：Brake member is provided with the housing, is stopped Car part includes the operating side outside housing and the joint end in housing, and operating side and joint end are fixed or be wholely set, The brake member is hinged and is arranged on housing, and the end of its joint end is provided with clamping joint, and the clamping joint is when brake member swings The rotation of driving wheel can be limited with the tooth socket fit of driving wheel.

8. belt high-rise escape apparatus according to claim 1 and 2, it is characterised in that：Hook is additionally provided with the housing Mechanism, hitch gear includes the hanging plate fixed or be wholely set with housing, the locating part being arranged on housing, and hanging plate is away from housing End both sides be provided with hanging groove, locating part includes banking stop and the spacing hole being arranged on hanging plate, and spacing hole is located at the upper of hanging groove Side, one end of banking stop is hinged on housing, and the other end sets towards hanging plate bending and constitutes positive stop end, and positive stop end can be worn by rotation Cross the top that spacing hole is placed in hanging groove.