CN108186217B - Self-driving wheelchair for going upstairs and downstairs - Google Patents

Self-driving wheelchair for going upstairs and downstairs Download PDF

Info

Publication number
CN108186217B
CN108186217B CN201810074887.7A CN201810074887A CN108186217B CN 108186217 B CN108186217 B CN 108186217B CN 201810074887 A CN201810074887 A CN 201810074887A CN 108186217 B CN108186217 B CN 108186217B
Authority
CN
China
Prior art keywords
frame
fixing
handrail
crawler
wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810074887.7A
Other languages
Chinese (zh)
Other versions
CN108186217A (en
Inventor
李兴军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yutai Zhongbang Intelligent Technology Co ltd
Original Assignee
Yutai Zhongbang Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yutai Zhongbang Intelligent Technology Co ltd filed Critical Yutai Zhongbang Intelligent Technology Co ltd
Priority to CN201810074887.7A priority Critical patent/CN108186217B/en
Publication of CN108186217A publication Critical patent/CN108186217A/en
Application granted granted Critical
Publication of CN108186217B publication Critical patent/CN108186217B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A61G5/061Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A61G5/066Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps with endless belts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10Parts, details or accessories
    • A61G5/1051Arrangements for steering
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/10General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/70General characteristics of devices with special adaptations, e.g. for safety or comfort
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/70General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A61G2203/72General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
    • A61G2203/723Impact absorbing means, e.g. bumpers or airbags

Abstract

The invention relates to a self-driving wheelchair capable of going upstairs and downstairs, which is provided with a seat frame, a back frame and a chassis, wherein the seat frame and the back frame are hinged into a whole through a hinge piece, the back frame is horizontally provided with two handrail fixing seats at the lower part, a transverse fixing rod is fixed between the two handrail fixing seats, handrail frame fixing shafts are arranged on the two handrail fixing seats respectively, a sleeve is sleeved on the handrail frame fixing shaft and connected with a handrail frame, handrail frame blocking pieces are arranged on the two handrail fixing seats respectively, a stop pin is arranged on the sleeve, a positioning nut is arranged on the handrail frame fixing shaft, and a handrail is arranged on the handrail frame. The invention is suitable for the old and the disabled with inconvenient actions, and has the advantages of scientific and reasonable structural design, stable operation, convenient operation, safety and reliability.

Description

Self-driving wheelchair for going upstairs and downstairs
Technical Field
The invention belongs to the technical field of wheelchairs, and particularly relates to a foldable electric wheelchair.
Background
The building of the present old district of china is mostly based on 6 plus 1's flat slab, and most do not have the elevator, use stair as main passageway of going upstairs and downstairs basically, to the younger people, do not need what thing, can also temper the health through climbing the building, but to the old person that the age is great, it has just become thing to go upstairs and downstairs, climb once building usually, all tired asthma is of high elevation, especially to some disabled people and some people that move inconveniently, go upstairs and downstairs becomes the thing that lets the people headache, it is downstairs to need the younger people to be back of the body to go upstairs usually, then sit the wheelchair again, it is good when having the family, can solve this problem, it is basically impossible to go upstairs and downstairs when not having the family. The special stair climbing wheelchairs sold in the existing market are the combination of a special crawler-type stair climbing chassis with fixed length and the existing push double-wheel wheelchairs, the difficult problem of stair climbing is basically solved, but the defects of inconvenient operation, unstable stair climbing process and the like exist.
Disclosure of Invention
The invention aims to solve the problems and provides a self-driving wheelchair for going upstairs and downstairs, which has the characteristics of scientific and reasonable structural design, stable operation, convenient operation, space saving, safety and reliability.
The purpose of the invention is realized by the following technical scheme: self-driving wheelchair for going upstairs and downstairs, which is characterized in that: the chair is provided with a chair seat frame, a chair back frame and a chassis, wherein the chair seat frame and the chair back frame are hinged into a whole through an articulated piece, the chair back frame is horizontally provided with two handrail fixing seats at the lower part, a one-to-one transverse fixing rod is fixed between the two handrail fixing seats, handrail frame fixing shafts are respectively arranged on the two handrail fixing seats, a sleeve is sleeved on the handrail frame fixing shaft and connected with a handrail frame, handrail frame separation blades are respectively arranged on the two handrail fixing seats, a stop pin is arranged on the sleeve, a positioning nut is arranged on the handrail frame fixing shaft, a handrail is arranged on the handrail frame, an intelligent control switch is arranged on the handrail, a power supply general control switch box is arranged on the chair seat frame, a headrest fixing ring is arranged at the upper part of the chair back frame, a headrest fixing rod is arranged in the headrest fixing ring, and the headrest fixing, the other end of the multi-section hinged fixing piece is hinged with a headrest, a handrail type cross beam is further arranged behind the seat back frame, a chassis fixing frame is arranged below the seat back frame at the rear part, a front universal wheel supporting frame is arranged below the seat back frame at the front part, universal wheels are arranged on the front universal wheel supporting frame, a pedal frame mounting column is further arranged on the front universal wheel supporting frame, the lower part of the seat back frame is horizontally provided with a cross beam, a swinging rod is arranged on the cross beam, the swinging rod is connected with a seat back frame traction electric rod arranged below the seat back frame, a handrail maintaining connecting plate is further arranged between the cross beam and the seat back frame, the seat back frame is further hinged and fixed with one end of a crawler belt lifting electric push-pull rod, and an upstairs-downstairs direction switch, a chassis lifting switch, a button switch and a rear wheel lifting switch; the other end of the crawler belt lifting electric push-pull rod is hinged with the front lifting fixed cross beam through a pin shaft; the chassis consists of a wheel type driving part and a crawler type driving part; the wheel type driving part consists of a rear wheel, a rear wheel driving motor, a damping fixer, a rear wheel driving motor fixed rotating shaft, a rotary swinging handle, a traction connecting rod and a rotary traction electric telescopic rod, wherein the rear wheel is arranged on the rear wheel driving motor; the crawler-type driving part comprises a crawler fixing frame, a driving wheel, a driven wheel, a guide wheel, a tensioning positioning slider, a crawler driving motor, a chair seat frame fixing pin, a crawler pressing wheel assembly and a front lifting beam, wherein the driving wheel and the driven wheel are respectively arranged at two ends of the crawler fixing frame, rubber crawlers are arranged on the driving wheel and the driven wheel, the driven wheel is tensioned and positioned through the tensioning positioning slider, the driving wheel is in power transmission with the crawler driving motor through a driving shaft, and the crawler fixing frame is provided with the crawler pressing wheel assembly which is used for increasing a supporting point at the bottom; the front part of the crawler fixing frame is provided with a front lifting fixing cross beam, the rear part of the crawler fixing frame is provided with a wheel type driving part fixing plate, the wheel type driving part fixing plate is provided with a rotary fixing hole, and the rear part of the crawler fixing frame is also provided with a chair seat frame fixing hole; the swing type pedal frame is composed of a suspension fixing frame, a suspension swing rod, a pedal plate and a pedal electric telescopic rod, wherein the suspension fixing frame is hinged to the upper end of the suspension swing rod, the suspension fixing frame is further hinged to the upper end of the pedal electric telescopic rod, the lower end of the pedal electric telescopic rod is hinged to the middle of the suspension swing rod, the pedal plate is installed at the lower end of the suspension swing rod, and a protection plate is arranged on the suspension swing rod.
The crawler belt driving motors are arranged in two groups, the crawler belt is further provided with a protective cover, two pneumatic guide rods are further arranged between the chair seat frame and the crawler belt frame, a chair back cushion is arranged on the chair back frame, and a chair seat cushion is arranged on the chair seat frame.
The crawler belt pinch roller assembly is provided with a strip-shaped supporting frame body, a plurality of supporting wheels are arranged on the same horizontal line on the supporting frame body, and the supporting wheels are fixed with the strip-shaped supporting frame body through fixing shafts.
The shock attenuation fixer comprises motor mount, swing stationary blade, damping spring pole, rear wheel driving motor fixes on the motor mount, the motor mount is at the articulated swing stationary blade of last intermediate position, be equipped with one on the swing stationary blade with the fixed cover of rear wheel driving motor fixed rotating shaft looks fixed, the motor mount is articulated with a damping spring pole's one end at last right flank side limit, damping spring's the other end is articulated with the right side limit of swing stationary blade.
The crawler-type driving part is further provided with an electric supporting frame, one end of the electric supporting frame is arranged on the front lifting cross beam, one end of the electric supporting frame is further provided with a supporting frame swinging handle, the supporting frame swinging handle is hinged to a supporting frame electric telescopic rod, and the supporting frame electric telescopic rod is arranged on one cross beam on the crawler fixing frame.
The invention adopts a chassis consisting of a wheel type driving part and a crawler type driving part, wherein the wheel type driving part consists of a rear wheel, a rear wheel driving motor fixed rotating shaft, a rotary swinging handle (34), a traction connecting rod and a rotary traction electric telescopic rod); just so can guarantee that the rear wheel can with the road surface contact on flat road surface, realize the drive of rear wheel, the rear wheel is not contacting with ground through rotatory traction electric telescopic link's traction when climbing the step simultaneously to realize the function that crawler-type drive part climbed the building.
Drawings
FIG. 1 is a schematic view of the structure of a seat frame and a back frame of the present invention;
FIG. 2 is a rear view of the seat frame and back frame of the present invention;
FIG. 3 is a schematic view of the control structure of the wheel drive of the present invention;
FIG. 4 is a schematic perspective view of the track drive section of the present invention;
FIG. 5 is a schematic plan view of the track drive section of the present invention;
FIG. 6 is a schematic diagram of the construction of the track roller assembly of the present invention;
FIG. 7 is a schematic view of the overall structure of the present invention;
fig. 8 is a schematic view of a mounting structure of the handle frame of the present invention;
FIG. 9 is a schematic view of the construction of the shock absorbing anchor of the present invention;
FIG. 10 is a schematic view of the wheel drive portion of the present invention;
FIG. 11 is a schematic view of the construction of the motorized support frame on the track of the present invention;
Detailed Description
The invention is further illustrated by the following figures and examples:
example (b): referring to the attached drawings 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11, the self-driving upstairs and downstairs wheelchair is provided with a seat frame 1, a back frame 2 and a chassis, wherein the seat frame and the back frame are hinged into a whole through a hinge element 3, the back frame is horizontally provided with two handrail fixing seats 4 at the lower part, a transverse fixing rod 5 is fixed between the two handrail fixing seats, handrail fixing shafts 4.1 are respectively arranged on the two handrail fixing seats, a sleeve 4.2 is sleeved on the handrail fixing shaft and is connected with a handrail frame 7, handrail blocking pieces 4.3 are respectively arranged on the two handrail fixing seats, a stop pin 12 is arranged on the sleeve, a positioning nut 6 is arranged on the handrail fixing shaft, a handrail 8 is arranged on the handrail frame, an intelligent control switch is arranged on the handrail, a power supply main control switch box 13 is arranged on the seat frame, the back of the chair frame is equipped with the solid fixed ring of headrest on upper portion, the solid fixed ring of headrest is equipped with headrest dead lever 9 in, the headrest dead lever is articulated with the one end of the articulated stationary blade 10 of a multistage formula in the upper end, the other end of the articulated stationary blade of multistage formula articulates there is a headrest 11, an armrest formula crossbeam 14 that still establishes behind the back of the chair frame, the back of the chair frame below is equipped with chassis mount 15, the back of the chair frame is provided with leading universal wheel supporting rack in the front below, be equipped with universal wheel 16 on the leading universal wheel supporting rack, still be equipped with a pedal frame erection column 17 on the leading universal wheel supporting rack, the back of the chair frame level is provided with crossbeam 18 in the lower part, a swinging arms 19 is equipped with on the crossbeam, it pulls electric pole 20 with the back of the chair frame to be provided with below the swinging arms and the chair, the chair seat frame is also hinged and fixed with one end of a crawler belt lifting electric push-pull rod 24, and the upper handrail is respectively provided with an up-down direction switch 25, a chassis lifting switch 26, a button switch 27 and a rear wheel lifting switch 28; the pedal frame mounting column is provided with a swinging pedal frame, the chassis fixing frame is provided with a chassis fixing hole, and the other end of the crawler belt lifting electric push-pull rod is hinged with the front lifting fixing cross beam 30 through a pin shaft; the chassis consists of a wheel type driving part and a crawler type driving part; the wheel type driving part consists of a rear wheel 31, a rear wheel driving motor 32, a damping fixer, a rear wheel driving motor fixed rotating shaft 33, a rotary swinging handle 34, a traction connecting rod 35 and a rotary traction electric telescopic rod 36, wherein the rear wheel is arranged on the rear wheel driving motor, the rear wheel driving motor is fixedly connected with the rear wheel driving motor fixed rotating shaft through the damping fixer, the rear wheel driving motor fixed rotating shaft is provided with the rotary swinging handle, the rotary swinging handle is hinged with one end of the traction connecting rod, the other end of the traction connecting rod is hinged with the rotary traction electric telescopic rod, and the rotary traction electric telescopic rod is fixed on a front lifting fixed cross beam; the crawler-type driving part comprises a crawler fixing frame 37, a driving wheel, a driven wheel 39, a guide wheel, a tensioning positioning slide block 40, a crawler driving motor 41, a seat frame fixing pin 42, a crawler pressing wheel assembly 43 and a front lifting beam, wherein the driving wheel and the driven wheel are respectively arranged at two ends of the crawler fixing frame, a rubber crawler is erected on the driving wheel and the driven wheel, the driven wheel is tensioned and positioned through the tensioning positioning slide block, the driving wheel is in power transmission with the crawler driving motor through the driving shaft, and the crawler fixing frame is provided with a crawler pressing wheel assembly for increasing a supporting point at the bottom; the front part of the crawler fixing frame is provided with a front lifting fixing cross beam, the rear part of the crawler fixing frame is provided with a wheel type driving part fixing plate 38, the wheel type driving part fixing plate is provided with a rotary fixing hole 44, and the rear part of the crawler fixing frame is also provided with a chair seat frame fixing hole 45; the swing type pedal frame consists of a suspension fixing frame 46, a swing rod 47, a pedal plate 48 and a pedal electric telescopic rod 49, wherein the suspension fixing frame is hinged with the upper end of the swing rod, the suspension fixing frame is also hinged with the upper end of the pedal electric telescopic rod, the lower end of the pedal electric telescopic rod is hinged with the middle part of the swing rod, the pedal plate is arranged at the lower end of the swing rod, and a protective plate 50 is arranged on the swing rod; the crawler belt driving motors are arranged in two groups, the crawler belt is further provided with a protective cover, two pneumatic guide rods are further arranged between the chair seat frame and the crawler belt frame, the chair back frame is provided with a chair back cushion, and the chair seat frame is provided with a chair seat cushion; the crawler belt pinch roller assembly is provided with a strip-shaped supporting frame body, a plurality of supporting wheels are arranged on the same horizontal line on the supporting frame body, and the supporting wheels are fixed with the strip-shaped supporting frame body through fixing shafts; the shock absorption fixer comprises a motor fixing frame 51, a swing fixing piece 52 and a shock absorption spring rod 53, wherein the rear wheel driving motor is fixed on the motor fixing frame, the motor fixing frame is hinged with the swing fixing piece at the middle position of the upper edge, the swing fixing piece is provided with a fixing sleeve 54 fixed with a fixed rotating shaft of the rear wheel driving motor, the right side edge of the upper edge of the motor fixing frame is hinged with one end of the shock absorption spring rod, and the other end of the shock absorption spring is hinged with the right side edge of the swing fixing piece; the crawler-type driving part is further provided with an electric supporting frame 55, one end of the electric supporting frame is arranged on the front lifting cross beam, one end of the electric supporting frame is further provided with a supporting frame swinging handle 56, the supporting frame swinging handle is hinged with a supporting frame electric telescopic rod 57, and the supporting frame electric telescopic rod is arranged on one cross beam on the crawler fixing frame.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims (5)

1. A self-driving wheelchair for going upstairs and downstairs is characterized in that: is provided with a chair seat frame (1), a chair back frame (2) and a chassis, wherein the chair seat frame and the chair back frame are hinged into a whole through an articulated piece (3), the chair back frame is horizontally provided with two handrail fixing seats (4) at the lower part, a one-to-one transverse fixing rod (5) is fixed between the two handrail fixing seats, the two handrail fixing seats are both provided with handrail frame fixing shafts (4.1), the handrail frame fixing shafts are sleeved with a sleeve (4.2), the sleeve is connected with a handrail frame (7), the two handrail fixing seats are both provided with handrail frame blocking pieces (4.3), the sleeve is provided with a stop pin (12), the handrail frame fixing shafts are provided with positioning nuts (6), the handrail frame is provided with handrails (8), the handrail is provided with an intelligent control switch, the chair seat frame is provided with a power supply general control switch box (13), the chair back frame is provided with a headrest fixing, the headrest fixing ring is internally provided with a headrest fixing rod (9), the headrest fixing rod is hinged with one end of a multi-section hinged fixing sheet (10) at the upper end, the other end of the multi-section hinged fixing sheet is hinged with a headrest (11), a handrail type beam (14) is further arranged behind the chair back frame, a chassis fixing frame (15) is arranged below the chair seat frame in the rear direction, the chair seat frame is provided with a front universal wheel supporting frame in the front direction, universal wheels (16) are arranged on the front universal wheel supporting frame, a pedal frame mounting column (17) is further arranged on the front universal wheel supporting frame, the chair back frame is horizontally provided with a beam (18) at the lower part, a swinging rod (19) is arranged on the beam, the chair back frame traction electric rod (20) is arranged below the swinging rod and the chair seat frame and is connected, a handrail maintaining connecting plate (21) is further arranged between the beam and, the chair seat frame is also hinged and fixed with one end of a crawler belt lifting electric push-pull rod (24), and the upper handrail is respectively provided with an up-down direction switch (25), a chassis lifting switch (26), a button switch (27) and a rear wheel lifting switch (28); the other end of the crawler lifting electric push-pull rod is hinged with a front lifting fixed beam (30) through a pin shaft; the chassis consists of a wheel type driving part and a crawler type driving part; the wheel type driving part consists of a rear wheel (31), a rear wheel driving motor (32), a damping fixer, a rear wheel driving motor fixed rotating shaft (33), a rotary swinging handle (34), a traction connecting rod (35) and a rotary traction electric telescopic rod (36), wherein the rear wheel is arranged on the rear wheel driving motor, the rear wheel driving motor is fixedly connected with the rear wheel driving motor fixed rotating shaft through the damping fixer, the rear wheel driving motor fixed rotating shaft is provided with the rotary swinging handle, the rotary swinging handle is hinged with one end of the traction connecting rod, the other end of the traction connecting rod is hinged with the rotary traction electric telescopic rod, and the rotary traction electric telescopic rod is fixed on a front lifting fixed cross beam; the crawler-type driving part consists of a crawler-type fixing frame (37), a driving wheel, a driven wheel (39), a guide wheel, a tensioning positioning slide block (40), a crawler-type driving motor (41), a chair seat frame fixing pin (42), a crawler-type pinch roller assembly (43) and a front lifting beam, wherein the driving wheel and the driven wheel are respectively arranged at two ends of the crawler-type fixing frame, rubber crawlers are arranged on the driving wheel and the driven wheel in an erected mode, the driven wheel is tensioned and positioned through the tensioning positioning slide block, the driving wheel is in power transmission with the crawler-type driving motor through a driving shaft, and the crawler-type fixing frame is provided with; the front part of the crawler fixing frame is provided with a front lifting fixing cross beam, the rear part of the crawler fixing frame is provided with a wheel type driving part fixing plate (38), the wheel type driving part fixing plate is provided with a rotary fixing hole (44), and the rear part of the crawler fixing frame is also provided with a chair seat frame fixing hole (45); the swing type pedal frame is composed of a suspension fixing frame (46), a suspension swing rod (47), a pedal (48) and a pedal electric telescopic rod (49), the suspension fixing frame is hinged to the upper end of the suspension swing rod, the suspension fixing frame is further hinged to the upper end of the pedal electric telescopic rod, the lower end of the pedal electric telescopic rod is hinged to the middle of the suspension swing rod, the pedal is installed at the lower end of the suspension swing rod, and a protection plate (50) is arranged on the suspension swing rod.
2. The rear-wheel lifting stair-climbing wheelchair as claimed in claim 1, wherein: the crawler belt driving motors are arranged in two groups, the crawler belt is further provided with a protective cover, two pneumatic guide rods are further arranged between the chair seat frame and the crawler belt frame, a chair back cushion is arranged on the chair back frame, and a chair seat cushion is arranged on the chair seat frame.
3. The wheelchair with a rear wheel capable of ascending and descending and climbing stairs of claim 1, wherein: the crawler belt pinch roller assembly is provided with a strip-shaped supporting frame body, a plurality of supporting wheels are arranged on the same horizontal line on the supporting frame body, and the supporting wheels are fixed with the strip-shaped supporting frame body through fixing shafts.
4. The wheelchair with a rear wheel capable of ascending and descending and climbing stairs of claim 1, wherein: the shock attenuation fixer comprises motor mount (51), swing stationary blade (52), damping spring pole (53), rear wheel drive motor fixes on the motor mount, the motor mount is the articulated swing stationary blade of intermediate position above, be equipped with one on the swing stationary blade with the fixed cover (54) of the fixed rotating shaft looks of rear wheel drive motor fixed, the motor mount is articulated with a damping spring pole's one end above the right side limit, damping spring's the other end is articulated with the right side limit of swing stationary blade.
5. The wheelchair with a rear wheel capable of ascending and descending and climbing stairs of claim 1, wherein: the crawler-type driving part is further provided with an electric supporting frame (55), one end of the electric supporting frame is arranged on the front lifting cross beam, one end of the electric supporting frame is further provided with a supporting frame swinging handle (56), the supporting frame swinging handle is hinged to a supporting frame electric telescopic rod (57), and the supporting frame electric telescopic rod is arranged on one cross beam of the crawler-type fixing frame.
CN201810074887.7A 2018-01-25 2018-01-25 Self-driving wheelchair for going upstairs and downstairs Active CN108186217B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810074887.7A CN108186217B (en) 2018-01-25 2018-01-25 Self-driving wheelchair for going upstairs and downstairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810074887.7A CN108186217B (en) 2018-01-25 2018-01-25 Self-driving wheelchair for going upstairs and downstairs

Publications (2)

Publication Number Publication Date
CN108186217A CN108186217A (en) 2018-06-22
CN108186217B true CN108186217B (en) 2020-05-08

Family

ID=62590754

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810074887.7A Active CN108186217B (en) 2018-01-25 2018-01-25 Self-driving wheelchair for going upstairs and downstairs

Country Status (1)

Country Link
CN (1) CN108186217B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109094673B (en) * 2018-09-20 2021-06-18 成都山神轨道交通设备有限公司 Platform type crawler stair climbing vehicle and automatic leveling method
CN112842721B (en) * 2021-01-06 2023-02-03 中山市康政医疗器材有限公司 Electric wheelchair convenient for going upstairs and downstairs

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103027805A (en) * 2012-12-31 2013-04-10 北京互邦之家爬楼车技术开发有限公司 Road-staircase dual-purpose wheelchair
CN104546328A (en) * 2015-02-02 2015-04-29 北京互邦之家爬楼车技术开发有限公司 Backrest and footrest swingable electric dual-mode stair-climbing wheelchair
CN106389027A (en) * 2016-12-04 2017-02-15 北京福祉科技有限公司 Electric crawler stair climbing potty wheelchair bed
CN106473873A (en) * 2016-12-12 2017-03-08 北京福祉科技有限公司 Portable folding track type climbing-building chair
WO2018002768A1 (en) * 2016-07-01 2018-01-04 Politecnico Di Torino An electric stair-climbing wheelchair with a hybrid locomotion system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103027805A (en) * 2012-12-31 2013-04-10 北京互邦之家爬楼车技术开发有限公司 Road-staircase dual-purpose wheelchair
CN104546328A (en) * 2015-02-02 2015-04-29 北京互邦之家爬楼车技术开发有限公司 Backrest and footrest swingable electric dual-mode stair-climbing wheelchair
WO2018002768A1 (en) * 2016-07-01 2018-01-04 Politecnico Di Torino An electric stair-climbing wheelchair with a hybrid locomotion system
CN106389027A (en) * 2016-12-04 2017-02-15 北京福祉科技有限公司 Electric crawler stair climbing potty wheelchair bed
CN106473873A (en) * 2016-12-12 2017-03-08 北京福祉科技有限公司 Portable folding track type climbing-building chair

Also Published As

Publication number Publication date
CN108186217A (en) 2018-06-22

Similar Documents

Publication Publication Date Title
US7316405B2 (en) Stair-climbing apparatus
CN110228513B (en) Rear universal wheel linked lifting mechanism of wheelchair undercarriage
CN110169880B (en) Combined type self-balancing electric wheelchair and use method thereof
KR101215285B1 (en) Feasible driving electric wheelchair in sidewalk and stairs
CN111297582B (en) Balanced stair climbing wheelchair and stair climbing method thereof
CN108186217B (en) Self-driving wheelchair for going upstairs and downstairs
KR20090103357A (en) Wheelchair for climbing the stairs and the wheels thereof
CN106473873A (en) Portable folding track type climbing-building chair
CN205339345U (en) Building wheelchair was climbed to two tracks two festivals based on swing of walking wheel
CN211583889U (en) Multifunctional wheelchair for helping the aged
CN105726232A (en) Double-section double-caterpillar-band stair climbing wheelchair based on travelling wheel swing and method for going upstairs and downstairs
KR101143966B1 (en) Safety Wheelchair Attached Auxiliary Wheel
CN206660027U (en) Portable foldable formula road ladder convertible car
CN108113813B (en) Auxiliary supporting type foldable road and ladder dual-purpose vehicle
CN210582883U (en) Leveling switching mechanism for wheelchair going upstairs and going uphill
CN205339346U (en) Building wheelchair was climbed to four tracks two festivals based on swing of walking wheel
CN210843883U (en) Combined type self-balancing electric wheelchair
CN210971238U (en) Novel continuous damping type goods delivery upstairs machine
CN211642381U (en) Wheelchair stair climbing vehicle
CN210612379U (en) Leveling switching mechanism for wheelchair downstairs and downhill
RU2304952C1 (en) Vehicle for moving up and down the stairs
CN215350082U (en) Novel multifunctional wheelchair capable of going upstairs
CN114939027B (en) Obstacle surmounting wheelchair suitable for wounded transportation and use method
CN2211399Y (en) Multifunctional pushing vehicle for moving on stairs
CN217496383U (en) Barrier-free trolley

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant