CN220485026U - Barrier-free mechanical self-rescue elevator additionally installed in existing residence - Google Patents

Abstract

The accessible machinery self-rescue elevator is installed additional to existing house belongs to electromechanical integration equipment technical field, including well system, forced drive system, self-rescue system, car system, door system, electric drive system, electrical control system, guidance system, weight balance system and safety protection system. Aiming at the characteristics of low floor, large occupied ratio of old people, small number of unit residents and low running frequency of elevators in old communities, the utility model designs a halved small-sized people stream which is different from a general standard people stream elevator, and has the advantages of simple structure, low cost, better safety, no disturbance, capability of being installed by slightly adjusting the outside of all existing houses, and capability of realizing barrier-free travel, wherein disabled people and old people drive wheelchairs into and out of the elevator from the balcony.

Description

Barrier-free mechanical self-rescue elevator additionally installed in existing residence

Technical Field

The utility model belongs to the technical field of electromechanical integrated equipment, and particularly relates to an accessible mechanical self-rescue elevator for the old with a residual hoistway of an existing residence additionally installed with a balcony.

Background

The existing elevator shaft system additionally installed in the house is a sightseeing elevator which leaves the house, occupies the floor again and is used for building an independent shaft, and enters the house through a newly built corridor to a slow landing hall door of the house. The disadvantage is that; 1. the cost is high when the house leaves the sightseeing well of the building which is occupied again. 2. When the resident arrives at the residence and enters and exits from the residence through the slow landing hall door, all residents need to walk eight steps to go to the upper half floor or the lower half floor, so that disabled persons and old persons cannot self-drive the wheelchair to enter and exit from the residence. 3. The independent sightseeing elevator well newly built outside the house is light-shielded, influences ventilation, generates disturbing disputes, and influences the smoothness of a fire-fighting channel. The defects of different degrees of each system in the prior art are as follows:

traction system: the traction motor is arranged in a machine room built at the top of the sightseeing elevator, and the traction system has a huge structure and high cost;

self-rescue system: the self-rescue operation device of the national standard GB/T40081-2021 elevator is adopted, a storage battery is required to provide driving power, and spontaneous combustion and explosion fire hazards occur when the storage battery is charged;

car system: the original car frame structure cannot meet the requirement of the disabled and the old on driving the wheelchair to go in and out;

door system: the existing residence is provided with sightseeing elevators, and the elevator car has only two car doors, so that the left balcony and the right balcony cannot drive a wheelchair to go in and out on a flat floor;

electric traction system: the sightseeing elevator is independent and far away from the building, the heating cost in winter in the north is high, and the lowest temperature requirement of electronic elements of the electric traction system is not facilitated;

weight balance system: the adoption of the double guide rails has high cost, and the balance weight is arranged in the middle, so that the traveling of the balcony hoistway door and the installation of the corridor are affected;

guide system: the original guide system cannot meet the requirement of four-side four-door in-out of the installation of the car;

safety protection system: the anti-falling protection is a set, and the falling event of the elevator frequently happens.

Accordingly, there is a need in the art for a new solution to the above-mentioned problems.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the barrier-free mechanical self-rescue elevator is additionally arranged in the existing residence, and aims at the characteristics of low floor occupation, high occupied ratio of the old, small number of people living in units and low operation frequency of the elevator in old communities, the structure of the halved small-sized people stream which is different from the general standard people stream elevator is simple, the cost is low, the safety is better, the hoistway structure of the linked balcony which can be installed without disturbing people and slightly adjusting the outside of the existing residence is designed, and the disabled and the old can drive a wheelchair to enter and exit the elevator from the balcony in a flat-bed manner, so that barrier-free traveling is realized.

The existing residence is additionally provided with an obstacle-free mechanical self-rescue elevator, and comprises a well system, a forced driving system, a self-rescue system, a car system, a door system, an electric traction system, an electric control system, a guide system, a weight balance system and a safety protection system;

the hoistway system is arranged at a vacancy between a left balcony and a right balcony, which are protruded out of a main body wall of a building, at the outer side of a buffer table of a corridor of an existing house, and a closed hoistway space is formed by an upper hoistway cover and a hoistway wall; the well system comprises a well framework, a well foundation, a well gird, a first-floor door bucket, a hoistway door upper beam and a lighting window; the hoistway foundation is provided with a hoistway framework, and the hoistway girt is fixed on the hoistway framework; the color steel heat-insulating hoistway wall of the linked balcony is characterized in that a first-floor door bucket is arranged on the ground of the hoistway wall, and a lighting window is arranged on each floor above the first-floor door bucket;

the forced driving system comprises a belt brake motor, a self-locking speed reducer A, a reel bracket A, a reel A, a steel wire rope A, a rope head assembly A and an elastic coupling, wherein the belt brake motor is arranged on a flange at the input end of the self-locking speed reducer A; the spool supports A are arranged on the traction frame of the self-rescue device, the number of the spool supports A is 4, and each two spool supports A are provided with a spool; the winding drum A is connected with the output end of the self-locking speed reducer A through an elastic coupling; the steel wire rope A is wound on the winding drum A, one end rope head of the steel wire rope A is fixed on the outer edge of the winding drum A, and the other end rope head assembly A is fixed on a spandrel girder in the guide system;

the self-rescue system comprises a self-rescue device traction frame, a steel wire rope B, a rope head assembly B, a winding drum B, a self-locking speed reducer B, a connecting shaft, a bearing frame A, a chain wheel shaft A, a chain wheel B, a chain wheel shaft B, a bearing frame B, a folding crank, a relay junction box and a wheel type guide shoe A; the self-locking speed reducer B and the bearing frame A are arranged on the top surface of the car, the winding drum B is arranged on an output shaft of the self-locking speed reducer B, the chain wheel A is connected and arranged on a chain wheel shaft A in a key way, and the chain wheel shaft A is arranged on the bearing frame A; the chain wheel shaft A is connected with the input shaft of the self-locking speed reducer B through a connecting shaft; the bearing frame B is arranged on the side wall of the car, the chain wheel B is connected and arranged on the chain wheel shaft B in a key way, and the chain wheel shaft B is arranged on the bearing frame B; the folding crank is arranged on the sprocket shaft B, and the chain is sleeved on the sprocket A and the sprocket B; the steel wire rope B is wound on the winding drum B, one end of the steel wire rope B is fixed on the outer edge of the winding drum B, and the other end of the steel wire rope B is connected with a weight measuring instrument arranged on a traction frame of the self-rescue device through a rope head assembly B; the relay junction box is arranged on a traction frame of the self-rescue device.

And the hoistway framework is also provided with a call box hole, a cable groove and a travelling cable fixing box.

The number of the wheel type guide shoes A is 4, and the wheel type guide shoes A are respectively and fixedly arranged on the car frame and used for lifting and sliding the car on the traction frame guide rail of the self-rescue device.

The door system comprises a car door, a hall door, a hoistway door bucket door and an electric control door lock.

The hoistway system also includes a porch bridge disposed between car rails with balconies or an add-on balcony of an existing residence without a balcony.

The electric dragging system comprises a cable, a motor variable frequency speed regulating device and a day and night timing noise reduction control device.

The weight balance system comprises a wheel type guide shoe B, a counterweight steel wire rope, a rope end assembly B and a fixed pulley.

The guiding system comprises a traction frame guide rail of the car and self-rescue device, a counterweight guide rail and a bearing beam, and is matched with a wheel type guide shoe A in the car system and a wheel type guide shoe B in the weight balance system to guide elevator operation.

The electric control system comprises an electric control cabinet, a control panel, a floor display device, a call box, a floor selector, a floor leveling switch and a card reader, and is used for controlling the self-rescue system and the car system to synchronously run in a well system.

Through the design scheme, the utility model has the following beneficial effects: the existing house is additionally provided with the barrier-free mechanical self-rescue elevator, so that the advantages of low cost, safer and less disturbance to people are achieved.

The method has the specific beneficial effects that,

1. the balcony well system is used for replacing an independent sightseeing well system leaving a residence, the existing residence corridor is utilized for buffering the outer walls of the tables, the left balcony wall and the right balcony wall can become a new well only by adding the balcony color steel heat-preserving well wall, the construction of three-face well walls, one two-meter long sealing gallery bridge of each layer and a side door and a special ramp which are 1.5 meters wide under the gallery bridge of the sightseeing elevator are reduced, and the additional occupied area is reduced, so that the cost is remarkably reduced;

2. the utility model eliminates the expensive traction machine of the sightseeing elevator and the upper machine room for installing the traction machine, thereby effectively reducing the cost;

3. the two counterweight guide rails of the guide system are changed into one guide rail, so that the cost is reduced;

4. according to the weight balancing system, the long-strip balancing weights are changed into the balancing weight cylinders, so that the manufacturing cost is reduced, and the space requirement of the old for driving the wheelchair corridor bridge by the disabled is increased;

5. the utility model can utilize the existing house to warm from the corridor to slow the hoistway door, the left and right balcony hoistway doors use the existing house heating pipeline that supplies, keep warm to the balcony well, thus greatly reduce, keep away from the sightseeing elevator of the house and keep warm the cost in winter;

6. the utility model innovates the structure of all mechanical parts which are easy to self-rescue by hand, is easy to intuitively use and maintain, and is safer to operate;

7. the utility model adds the forced driving wire rope breakage protection device, so that the elevator can run more safely;

8. according to the forced driving system, the left winding drum and the right winding drum are designed to drive two steel wire ropes, so that the safety is doubled;

9. the self-locking speed reducer is designed, and the anti-falling aspect is safer and more reliable.

10. The elevator safety protection device is additionally provided with a set of falling protectors, so that the problem that an elevator falls off due to the abnormal electrical appliance of the elevator is solved, and the elevator is ensured to be safer;

11. the utility model increases two sets of the original one set of PLC safety control system, thereby ensuring safer door systems and safety systems;

12. the original sightseeing elevator has the advantages that residents need to enter and exit the residence through the corridor slow-rise hall door 44 and walk up or down half stairs, and the disabled and the old can travel more safely through the left and right balcony hall doors in a flat-rise manner;

13. the front, back, left and right car doors are all opened towards the hall door, and the upper and lower parts of the doors are provided with the electric control door locks 45, so that passengers can be effectively prevented from entering half of the car, and the accidental operation of the generator can cause the injury of the passengers when the elevator is started to run;

14. according to the utility model, the original sightseeing elevator machine room produces sound at fixed points, so that the disturbing people are serious, the elevator is upgraded to be a forced driving motor which is arranged on a traction frame of a self-rescue device which moves up and down along with the elevator car, and the elevator car leaves a sound source once passing, so that the disturbing people are reduced;

15. the utility model designs the night deceleration operation, the frequency converter controls the motor noise, and the influence of night operation on the sleeping of residents is effectively reduced;

16. the utility model adds two left and right balconies to the existing residence without balcony, and installs the color steel heat-insulating hoistway wall of the linked balcony to form a new linked balcony hoistway, and increases the using area of the added balcony for a layer of households which are not benefited by the added elevator, thereby being beneficial to the added elevator and having no light shielding, ventilation influence and privacy related interference of the sightseeing elevator 2 meters away from the window.

Drawings

The utility model is further described with reference to the drawings and detailed description which follow:

fig. 1 is a schematic diagram of a cross-sectional side view of a C-C hoistway of an existing residential add-on barrier-free mechanical self-rescue elevator of the present utility model.

Fig. 2 is a schematic diagram of the present utility model, in which the D-D section of the barrier-free mechanical self-rescue elevator installed in an existing residence, is viewed from above and from the location related to the wall surface of the main body of the existing residence.

Fig. 3 is a schematic main structure of the present utility model existing residence mounted barrier-free mechanical self-rescue elevator.

Fig. 4 is a schematic diagram of a self-rescue elevator a of the present utility model with an accessible machine installed in an existing residence.

Fig. 5 is a schematic diagram of a cross section of an existing residence mounted barrier-free mechanical self-rescue elevator E-E of the present utility model.

In the figure, a 01-well system, a 02-forced driving system, a 03-self-rescue system, a 04-car system, a 05-door system, a 06-electric traction system, a 07-electric control system, a 08-guiding system, a 09-weight balance system, a 010-safety protection system, a 1-well framework, a 2-well foundation, a 3-well beam, a 4-well upper cover, a 5-corridor bridge, a 6-well wall, a 7-first-floor door bucket, a 8-hall door upper beam, a 9-lighting window, a 10-call box hole, a 11-trailing cable junction box, a 12-belt brake motor, a 13-self-locking speed reducer A, a 14-winding drum A, a 15-steel wire rope A, a 16-rope head assembly A, a 17-winding drum bracket A18-self-rescue device traction frame, 19-steel wire rope B, 20-rope head component B, 21-winding drum B, 22-self-locking speed reducer B, 23-connecting shaft, 24-bearing frame A, 25-chain wheel A, 26-chain wheel shaft A, 27-chain, 28-chain wheel B, 29-chain wheel shaft B, 30-bearing frame B, 31-folding crank, 32-crank shield, 33-relay junction box, 34-lift car, 35-wheel guide shoe A, 36-hoistway door bucket door, 37-lift car front door, 38-right hall door, 39-lift car right door, 40-corridor slow landing hall door, 41-lift car rear door, 42-left hall door, 43-lift car left door, 44-first-floor hall door, 45-electric control door lock, 46-speed limiter, 47-fall arrester, 48-buffer, 49-weight measuring instrument, 50-upper limit protector, 51-lower limit protector, 52-power outage phase error protector, 53-lighting fixture, 54-recording video camera, 55-119 alarm interphone, 56-earth leakage protection device, 57-wire rope outage protection device, 58-PLC electrical interlock device, 59-electric control cabinet, 60-control panel, 61-car floor display device, 62-call box, 63-layer selector, 64-flat layer switch, 65-car and self-help device traction frame guide rail, 66-counterweight guide rail, 67-spandrel girder, 68-wheel guide shoe B, 69-counterweight, 70-counterweight wire rope, 71-rope end assembly B, 72-fixed pulley, 73-travelling cable, 74-motor variable frequency speed regulation device, 75-timing limit noise reduction control device, 76-car frame, 77-card reader, 78-left balcony, 79-right balcony, 80-channel buffer, 81-cable slot, 82-elastic coupling.

Detailed Description

The barrier-free mechanical self-rescue elevator for the existing residence is composed of ten systems including a well system 01, a forced driving system 02, a self-rescue system 03, a car system 04, a door system 05, an electric dragging system 06, an electric control system 07, a guiding system 08, a weight balancing system 09, a safety protection system 010 and the like.

Referring to fig. 1 and 2, a hoistway system 01 according to the present utility model is installed at an idle space position between a left balcony 78 and a right balcony 79 protruding from a main wall surface of a building body on both sides of a hoistway buffer 80 of an existing house, and the hoistway system 01 is composed of a hoistway frame 1, a hoistway foundation 2, a hoistway girder 3, a hoistway upper cover 4, a hoistway bridge 5, a hoistway wall 6, a first-floor door bucket 7, a hoistway door upper beam 8, a lighting window 9, a call box hole 10, a cable duct 81, and a traveling cable fixing box 11. The hoistway frame 1 is independently fixed to the hoistway foundation 2, and the hoistway beam 3 is fixed to the hoistway frame 1. The hoistway upper cover 4, the hoistway wall 6, the existing corridor buffer table 80 wall, the left balcony 78 and the right balcony 79 wall are surrounded to form a closed hoistway space. The floor of the hoistway wall 6 is provided with a first floor door bucket 7, and each floor of lighting window 9 is arranged above the first floor door bucket 7, and the travelling cable junction box 11, the cable groove 81 and the call box hole 10 are fixed on the hoistway frame 1. The well wall 6 is a balcony color steel heat-insulation well wall.

The hoistway system 01 refers to an innovative design of lengthened corridor bridges 5 for top-level households, can directly reach each household door, cancels the left and right hall doors 38 and the left hall door 42, and realizes that all households on the top level do not need to go through a balcony, and travel with disabled persons and old people driving wheelchairs from the half-layer slow-landing hall door 40.

Referring to fig. 3 and 5, the self-rescue system 03 of the present utility model is composed of a self-rescue device traction frame 18, a wheel-type guide shoe a35, a wire rope B19, a rope end assembly B20, a winding drum B21, a self-locking speed reducer B22, a connecting shaft 23, a bearing frame a 24, a sprocket a 25, a sprocket shaft a 26, a chain 27, a sprocket B28, a sprocket shaft B29, a bearing frame B30, a folding crank 31, a crank cover 32 and a relay box 33. The self-locking speed reducer B22 and the bearing bracket A24 are arranged on the car 34, the winding drum B21 is arranged on the output shaft of the self-locking speed reducer B22, one end of the steel wire rope B19 is fixed on the winding drum B21, then the steel wire rope B19 is wound on the winding drum B21, and the rope end assembly B20 is connected with the weight measuring instrument 49 arranged on the self-rescue device traction frame 18. The sprocket A25 is fixedly arranged on a sprocket shaft A26, the sprocket shaft A26 is arranged on a bearing bracket A24 through a bearing, one end of the connecting shaft 23 is connected with the sprocket shaft A26, and the other end is connected with the input end of the self-locking speed reducer B22. The bearing bracket B30 is arranged on the side wall of the car 34, the chain wheel B28 is fixedly arranged on the chain wheel shaft B29, the chain wheel shaft B29 is arranged on the bearing bracket B30 through a bearing, and the folding crank 31 is fixedly arranged on the chain wheel shaft B29. The chain 27 is sleeved on the chain wheel A25 and the chain wheel B28, and the crank shield 32 is arranged on the inner wall of the car 34.

The wheel type guide shoes A35 (4) are fixedly arranged on the self-rescue device traction frame 18 and the car frame 76 according to the required positions, and ensure that the self-rescue device traction frame 18 can freely lift and slide on the car and the self-rescue device traction frame guide rail 65.

Referring to fig. 3 and 4, the forced driving system 02 of the present utility model is composed of a belt brake motor 12, a self-locking speed reducer a13, a spool support a17, spools a14 (2), a wire rope a15, and a rope end assembly a 16. The self-locking speed reducer A13 is arranged on a self-rescue device traction frame 18 in the self-rescue system, and the motor 12 with the brake is arranged on an input end flange of the self-locking speed reducer A13. The winding drum A14 is arranged on a winding drum support A17, the winding drum A14 is connected with an output shaft of a self-locking speed reducer A13 through an elastic coupler 82, the winding drum support A17 is arranged on a self-rescue device traction frame 18, the steel wire rope A15 is winded on the winding drum A14 in a wind mode, and the rope head of the steel wire rope is fixed on the outer edge of the winding drum A14. The rope hitch assembly a16 is secured to a bolster 67 in the guide system.

Referring to fig. 2 and 3, the car system 04 of the present utility model is composed of a car frame 76 and a wheel guide shoe a 35. The car is designed according to the utility model and is provided with four azimuth car doors.

The wheel guide shoes a35 (4) are fixedly mounted on the car frame 76 at the required positions and ensure that the car 34 can freely lift and slide on the car and self-rescue device traction frame guide rails 65.

Referring to fig. 1 and 2, the door system 05 of the present utility model comprises a hoistway door 36, a car front door 37, a car right door 39, a car rear door 41, a car left door 43, a hoistway hall door 44, a right hall door 38, a stair landing hall door 40, a left hall door 42, and an electric control door lock 45. The front door 37, the right door 39, the rear door 41, and the left door 43 are provided on four walls of the car 34 in the car system 04. The hoistway door 36 is provided on the first floor door 7 in the hoistway system 01, the right hoistway door 38, the stair buffer landing door 40, and the left hoistway door 42 are provided at corresponding positions on the wall surfaces of the left and right balconies 78, 79 and the hoistway buffer landing 80 of the existing house, and the door lock 45 is mounted on each of the doors.

Referring to fig. 1, 2 and 3, the electric traction system 06 in the utility model is composed of a trailing cable 73 motor frequency conversion speed regulating device 74 and a day-night timing noise reduction control device 75. The motor variable frequency speed regulating device 74 and the day and night timing noise reduction control device 75 are arranged in the electric control cabinet 59 in the electric control system 07, one end of the trailing cable 73 is connected to the trailing cable junction box 11 in the electric control system 07, the trailing cable junction box 11 is connected to the electric control cabinet 59 through the cable slot 81, and the other end of the trailing cable junction box is connected to the relay junction box 33 in the self-rescue system 03.

Referring to fig. 1 and 2 and 3, the electric control system 07 is composed of an electric control cabinet 59, a control panel 60, a floor display device 61, a call box 62, a floor selector 63, a floor leveling switch 64 and a card reader 77; the above-described composition and the installation and use thereof are performed in accordance with related regulations of the prior art.

Referring to fig. 3 and 5, the guide system 08 is composed of a car and self-rescue device traction frame rail 65, a counterweight rail 66, a spandrel girder 67, and a wheel guide shoe a35 in the car system 04 and a wheel guide shoe B68 in the weight balance system 09. The lower ends of the car and self-rescue device traction frame guide rail 65 and the counterweight guide rail 66 are fixed on the hoistway foundation 2, and then the counterweight guide rail 66 is welded on the car and self-rescue device traction frame guide rail 65. The spandrel girder 67 is fixed to the above two guide rails 65 and 66.

Referring to fig. 3, the weight balance system 09 of fig. 5 is composed of a wheel guide shoe B68, a counterweight 69, a counterweight wire rope 70, rope end members B71 (2), and fixed pulleys 72 (2). The 2 fixed pulleys 72 are arranged on a spandrel girder 67 in a guide system 08, a counterweight steel wire rope 70 is hung on the two fixed pulleys 72, one rope end assembly B71 is connected to a self-rescue device traction frame 18 in the self-rescue system 03, a counterweight 69 is hung on the other rope end assembly B71, the wheel type guide shoe B68 is fixed at a proper position on the counterweight 69, and the counterweight 69 can slide freely and stably on a counterweight guide rail 66 in the guide system 08.

Referring to fig. 2 and 3, the safety protection system 010 comprises a speed limiter 46, a fall protector 47, a buffer 48, a weight measuring instrument 49, an upper limit protector 50, a lower limit protector 51, a power supply and power failure phase error protector 52, a lighting lamp 53, recording video cameras 54, 119, an alarm interphone 55, a leakage protection device 56, an electric control door lock 45, a PLC interlocking device 58 and a wire rope breakage protection device 57. The speed limiter 46, the falling protector 47, the buffer 48, the weight measuring instrument 49, the upper limit protector 50, the lower limit protector 51, the power supply phase failure protector 52, the lighting lamp 53, the recorded video cameras 54 and 119, the alarm interphone 55, the electric leakage protection device 56, the electric control door lock 45, the PLC interlocking device 58 and the steel wire rope breakage protection device 57 are all products used in the background technology. The safety gear 46 and the safety gear 47 are mounted on a load beam 67 in the guide system 08 and their respective outputs are fastened to the self-rescue device traction frame 18 in the self-rescue device 03. The weight measuring instrument 49 is fixed on a self-rescue device traction frame 18 in the self-rescue system 03, and the output end of the weight measuring instrument is connected with a rope end assembly 20 on a steel wire rope B19 wound on a winding drum B21 of the self-rescue system 03. The wire rope breakage protection devices 57 (2) are mounted on the spandrel girder 67 in the guide system 08, the signal trigger pieces thereof are pressed on the wire rope a15 of the forced driving system 02, the upper limit protector 50 and the lower limit protector 51 are mounted on the self-rescue device traction frame 18 in the self-rescue system 03, and the respective signal trigger pieces thereof are mounted on the proper positions of the hoistway frame 1 in the hoistway system 01. The 119 alarm interphone 55, the video camera 54 and the lighting lamp 53 are arranged in a car, the power supply and outage phase error protector 52, the leakage protection device 56 and the PCL interlocking device 58 are arranged in the electric control cabinet 59, and the electric control door lock 45 is arranged at each car door and each hall door.

Referring to fig. 1, 3 and 5, the elevator of the utility model can ensure the self-rescue system 03 and the car system 04 to synchronously lift and run according to the requirement in the hoistway system 01 of the linked balcony under the intelligent control of the electric control system 07, thereby meeting the access requirements of various passengers on the balcony and the buffer platform of each floor.

When the elevator of the utility model is stopped between two floor positions of the elevator car 34 due to power failure or an electrical control system, passengers in the elevator car 34 can operate the self-rescue system 03 to save oneself. The operation method is as follows: the crank shield 32 is opened, the folding crank 31 is rocked according to the indication direction, the chain wheel B28 drives the chain wheel A25 through the chain 27, the winding drum B21 arranged at the output end of the self-locking speed reducer B22 is sequentially rotated through the connecting shaft 23, the steel wire rope 19 can be released, the car 4 is lowered to the position aligned with the hall door, and passengers can save oneself.

The present utility model is not intended to be exhaustive of the solutions for existing residential add-on barrier-free mechanical self-rescue elevators described in the detailed description of the utility model, and any duplication or modification made by a person skilled in the art without creative effort is included in the claims of the utility model.

Claims (9)

1. The accessible machinery self-rescue elevator is installed additional to existing house, characterized by: comprises a well system (01), a forced driving system (02), a self-rescue system (03), a car system (04), a door system (05), an electric dragging system (06), an electric control system (07), a guiding system (08), a weight balancing system (09) and a safety protection system (010);

the hoistway system (01) is arranged at a vacancy between a left balcony (78) and a right balcony (79) which are protruded out of a main body wall of a building at the outer side of a corridor buffer table (80) of the existing house, and is enclosed into a closed hoistway space through a hoistway upper cover (4) and a hoistway wall (6); the well system (01) comprises a well framework (1), a well foundation (2), a well gird (3), a first-floor door bucket (7), a hoistway door upper beam (8) and a lighting window (9); the hoistway foundation (2) is provided with a hoistway framework (1), and the hoistway girt (3) is fixed on the hoistway framework (1); the first floor door bucket (7) is arranged on the ground of the hoistway wall (6), and a lighting window (9) is arranged on each floor above the first floor door bucket (7);

the forced driving system (02) comprises a braking motor (12), a self-locking speed reducer A (13), a reel bracket A (17), a reel A (14), a steel wire rope A (15), a rope end component A (16) and an elastic coupling (82), wherein the braking motor (12) is arranged on a flange at the input end of the self-locking speed reducer A (13); the spool supports A (17) are arranged on the self-rescue device traction frame (18), the number of the spool supports A (17) is 4, and each two spool supports A (14) are arranged on each spool support; the winding drum A (14) is connected with the output end of the self-locking speed reducer A (13) through an elastic coupling (82); the steel wire rope A (15) is wound on the winding drum A (14), one end rope head of the steel wire rope A (15) is fixed on the outer edge of the winding drum A (14), and the other end rope head assembly A (16) is fixed on a spandrel girder (67) in the guide system (08);

the self-rescue system (03) comprises a self-rescue device traction frame (18), a steel wire rope B (19), a rope head assembly B (20), a winding drum B (21), a self-locking speed reducer B (22), a connecting shaft (23), a bearing frame A (24), a chain wheel A (25), a chain wheel shaft A (26), a chain (27), a chain wheel B (28), a chain wheel shaft B (29), a bearing frame B (30), a folding crank (31), a relay junction box (33) and a wheel-type guide shoe A (35); the self-locking speed reducer B (22) and the bearing frame A (24) are arranged on the top surface of the car (34), the winding drum B (21) is arranged on the output shaft of the self-locking speed reducer B (22), the chain wheel A (25) is connected and arranged on the chain wheel shaft A (26) in a key way, and the chain wheel shaft A (26) is arranged on the bearing frame A (24); the chain wheel shaft A (26) is connected with the input shaft of the self-locking speed reducer B (22) through a connecting shaft (23); the bearing frame B (30) is arranged on the side wall of the car (34), the chain wheel B (28) is connected and arranged on the chain wheel shaft B (29) in a key way, and the chain wheel shaft B (29) is arranged on the bearing frame B (30); the folding crank (31) is arranged on the sprocket shaft B (29), and the chain (27) is sleeved on the sprocket A (25) and the sprocket B (28); the steel wire rope B (19) is wound on the winding drum B (21), one end of the steel wire rope B (19) is fixed on the outer edge of the winding drum B (21), and the other end of the steel wire rope B is connected with the weight measuring instrument (49) arranged on the self-rescue device traction frame (18) through the rope head assembly B (20); the relay junction box (33) is arranged on the self-rescue device traction frame (18).

2. The existing residential add-on barrier-free mechanical self-rescue elevator of claim 1, characterized by: the hoistway framework (1) is also provided with a call box hole (10), a cable groove (81) and a travelling cable fixing box (11).

3. The existing residential add-on barrier-free mechanical self-rescue elevator of claim 1, characterized by: the number of the wheel type guide shoes A (35) is 4, and the wheel type guide shoes A (35) are respectively and fixedly arranged on the car frame (76) and used for lifting and sliding the car (34) on the traction frame guide rail (65) of the self-rescue device.

4. The existing residential add-on barrier-free mechanical self-rescue elevator of claim 1, characterized by: the door system (05) comprises a car door, a hoistway door (36) and an electrically controlled door lock (45).

5. The existing residential add-on barrier-free mechanical self-rescue elevator of claim 1, characterized by: the hoistway system (01) further comprises a corridor bridge (5), and the corridor bridge (5) is arranged between car guide rails with balconies or outside of existing houses without balconies.

6. The existing residential add-on barrier-free mechanical self-rescue elevator of claim 1, characterized by: the electric traction system (06) comprises a cable (73), a motor variable-frequency speed regulating device (74) and a day-night timing noise reduction control device (75).

7. The existing residential add-on barrier-free mechanical self-rescue elevator of claim 1, characterized by: the weight balance system (09) comprises a wheel type guide shoe B (68), a counterweight (69), a counterweight steel wire rope (70), a rope end assembly B (71) and a fixed pulley (72).

8. The existing residential add-on barrier-free mechanical self-rescue elevator of claim 1, characterized by: the guiding system (08) comprises a car and self-rescue device traction frame guide rail (65), a counterweight guide rail (66) and a spandrel girder (67), and the guiding system (08) is matched with a wheel type guide shoe A (35) in the car system (04) and a wheel type guide shoe B (68) in the weight balancing system (09) to guide the running of the elevator.

9. The existing residential add-on barrier-free mechanical self-rescue elevator of claim 1, characterized by: the electric control system (07) comprises an electric control cabinet (59), a control panel (60), a floor display device (61), a call box (62), a floor selector (63), a floor leveling switch (64) and a card reader (77) and is used for controlling the self-rescue system (03) and the car system (04) to synchronously run in a hoistway system (01).