CN110711123A

CN110711123A - Special guide vehicle for disabled people

Info

Publication number: CN110711123A
Application number: CN201911054706.5A
Authority: CN
Inventors: 叶舟航
Original assignee: Ningbo Ruifeng Medical Equipment Co Ltd
Current assignee: Ningbo Ruifeng Medical Equipment Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-01-21

Abstract

The invention relates to the field of special equipment for disabled persons, in particular to a special guiding vehicle for disabled persons, which comprises a vehicle body and an armrest hinged and connected with the right end wall of the vehicle body, wherein a transmission cavity is arranged in the bottom wall of the vehicle body, a moving device for driving equipment to move is arranged in the transmission cavity, a rotating cavity with a downward opening is arranged in the bottom wall of the vehicle body, a fixed frame is rotatably arranged in the rotating cavity, a steering wheel is rotatably arranged at the bottom of the fixed frame, the moving direction of the equipment can be adjusted by rotating the fixed frame, two detectors which are symmetrical front and back are fixedly arranged on the left end wall of the vehicle body, and a swinging cavity with a leftward opening is arranged in the left end wall of the vehicle body. More humanized, the equipment is simple and convenient to operate and convenient to popularize and use.

Description

Special guide vehicle for disabled people

Technical Field

The invention relates to the field of special equipment for disabled persons, in particular to a special guiding vehicle for disabled persons.

Background

In real life, a small part of specific people have difficulty in life due to physical defects, particularly, patients with blindness in eyes are difficult in daily life, people train blind guiding dogs to guide blind people, the blind guiding dogs have long culture period and high price, and not ordinary families can bear the blind guiding dogs, and although the blind guiding dogs are conscious living objects after all, the blind guiding dogs are easily influenced by objective factors, and partial blind guiding devices exist at present, but the devices only detect whether obstacles exist or not, sometimes the obstacles capable of crossing need to be bypassed, and the traditional blind guiding devices have poor trafficability, so that common curb teeth can block the devices from moving, and the device is very inconvenient, so that a special guiding vehicle for disabled people is necessary to improve the problems.

Disclosure of Invention

The invention aims to provide a special guiding vehicle for the disabled, which can overcome the defects in the prior art, so that the practicability of equipment is improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a special guiding vehicle for disabled people, which comprises a vehicle body and an armrest hinged and connected on the right side end wall of the vehicle body, wherein a transmission cavity is arranged in the bottom wall of the vehicle body, a moving device for driving equipment to move is arranged in the transmission cavity, a rotating cavity with a downward opening is arranged in the bottom wall of the vehicle body, a fixed frame is rotatably arranged in the rotating cavity, a steering wheel is rotatably arranged at the bottom of the fixed frame, the moving direction of the equipment can be adjusted by rotating the fixed frame, two detectors which are symmetrical front and back are fixedly arranged on the left side end wall of the vehicle body, a swinging cavity with a leftward opening is arranged in the left side end wall of the vehicle body, an infrared height detector which can swing up and down in the swinging cavity is arranged in the swinging cavity, a scanning device, thereby judging the height of the barrier, when the barrier is too high, the fixed frame drives the steering wheel to rotate, thereby driving the equipment to deviate a certain direction so as to avoid the obstacle, when the height of the obstacle is lower, the infrared height detector controls a first power source which drives the fixed frame to rotate to move and drive a swinging device arranged in the body of the machine body, the swinging device drives the swinging rods which are rotatably arranged at the front side and the rear side of the vehicle body to rotate so as to drive the auxiliary wheels which are rotatably arranged at the tail ends of the swinging rods to abut against the upper part of the barrier, thereby driving the left side of the vehicle body to be lifted to a certain height, at the moment, the moving device drives the equipment to move and simultaneously drives the auxiliary wheel to rotate through the belt device, at the moment, the equipment is changed from two-wheel drive to four-wheel drive, the equipment can be easily turned over above the barrier, and the broadcaster arranged in the equipment gives a language prompt to a user that the barrier exists in front.

Furthermore, the moving device comprises a belt cavity arranged in the vehicle body, a first rotating shaft is rotatably arranged between the belt cavity and the transmission cavity, a first bevel gear is fixedly arranged at the tail end of the first rotating shaft in the transmission cavity, a first belt wheel is fixedly arranged at the tail end of the first rotating shaft in the belt cavity, a second rotating shaft is rotatably arranged in the transmission cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged on the outer surface of the second rotating shaft in the transmission cavity, the front side and the rear side of the second rotating shaft penetrate through the vehicle body and extend out of the vehicle body, a driving wheel is fixedly arranged at the tail end of the second rotating shaft, sliding grooves with opposite openings are symmetrically arranged in the front end wall and the rear end wall of the belt cavity, sliding plates are slidably arranged in the sliding grooves, a tension spring is arranged between the sliding plates and the end walls of the sliding grooves, the tail ends of the sliding plates, the belt cavity bottom wall is provided with a separation cavity, the separation cavity is communicated with a limiting groove between the belt cavities, the limiting groove is slidably provided with a supporting block, a second power source is fixedly arranged in the supporting block, the tail end of an output shaft of the second power source is fixedly provided with a third belt wheel, the first belt wheel and the front belt wheel and the rear belt wheel are connected in a matched mode through a first belt in a transmission mode, a first electric telescopic rod fixedly connected with the supporting block is arranged in the end wall of the right side of the limiting groove, and the first electric telescopic rod is in electric connection with the detector.

Further, scanning device includes the third pivot that the swing intracavity rotated the setting, infrared height detection appearance fixed set up in on the third pivot surface, infrared height detection appearance external fixation is provided with first worm wheel, the swing chamber with rotate between the separation chamber be provided with the first worm of first worm wheel meshing, in the separation chamber the end of first worm is fixed and is provided with first gear, first gear with the fan-shaped gear cooperation of the end fixed in second power supply output shaft bottom, first worm with be provided with the torsional spring of longitudinal symmetry between the end wall about the swing chamber.

Further, the swing device comprises a worm gear cavity arranged in the top wall of the switching cavity, a fourth rotating shaft extending forwards and backwards is rotatably arranged in the worm gear cavity, the tail ends of the front side and the back side of the fourth rotating shaft are fixedly connected with the swing rods arranged on the front side and the back side of the vehicle body, a second worm gear is fixedly arranged on the outer surface of the fourth rotating shaft in the worm gear cavity, a second worm meshed with the second worm gear is rotatably arranged between the worm gear cavity and the switching cavity, a second gear is fixedly arranged at the tail end of the second worm in the switching cavity, a sliding cavity with a downward opening is arranged in the top wall of the switching cavity, a sliding block is slidably arranged in the sliding cavity, a third gear matched with the second gear is fixedly arranged at the tail end of the first power source fixedly arranged in the bottom wall of the sliding block, and a second worm fixedly connected with the sliding block is arranged in the end wall, the second worm is electrically coupled to the infrared height detector.

Furthermore, a fifth rotating shaft fixedly connected with the fixing frame is rotatably arranged between the rotating cavity and the switching cavity, and a fourth gear meshed with the third gear is fixedly arranged at the tail end of the fifth rotating shaft in the switching cavity.

Further, the belt device includes the swinging arms end rotate set up with auxiliary wheel fixed connection's sixth pivot, the sixth pivot is kept away from auxiliary wheel one side end is fixed and is provided with the fourth band pulley, the drive wheel with be provided with between the automobile body and be fixed in the fifth band pulley of second pivot surface, be provided with logical groove in the swinging arms, it is provided with the fixed block to lead to inslot slidable, the fixed block with be provided with the roof pressure spring between leading to the groove roof, it is provided with the fifth band pulley to rotate on the fixed block end wall, the fifth band pulley and be connected by the transmission cooperation of second band pulley between the fourth band pulley.

The invention has the beneficial effects that: the special guide vehicle for the disabled can effectively guide the blind to pass through a passage with the barrier, and meanwhile, the equipment can cross over the lower barrier, so that the user is prevented from walking more routes due to the smaller barrier, and the special guide vehicle is more humanized, simple and convenient to operate and convenient to popularize and use.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structure diagram of the special guiding vehicle for the disabled.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

Fig. 3 is a schematic diagram of the structure B-B in fig. 2.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-4, the guiding vehicle for the disabled comprises a vehicle body 10 and an armrest 11 hinged to the right end wall of the vehicle body 10, a transmission cavity 16 is formed in the bottom wall of the vehicle body 10, a moving device 99 for driving a device to move is arranged in the transmission cavity 16, a rotating cavity 60 with a downward opening is formed in the bottom wall of the vehicle body 10, a fixing frame 58 is rotatably arranged in the rotating cavity 60, a steering wheel 59 is rotatably arranged at the bottom of the fixing frame 58, the moving direction of the device can be adjusted by rotating the fixing frame 58, two detectors 20 which are symmetrical front and back are fixedly arranged on the left end wall of the vehicle body 10, a swinging cavity 28 with a leftward opening is formed in the left end wall of the vehicle body 10, an infrared height detector 23 which can swing up and down in the swinging cavity 28, and a scanning device 98 arranged in the swinging cavity 28 drives the infrared height detector 23 to move when the detectors The height of the obstacle is judged by swinging downwards, when the obstacle is too high, the fixed frame 58 drives the steering wheel 59 to rotate, so that the equipment is driven to deviate a certain direction, so that the obstacle is avoided, when the height of the obstacle is lower, the infrared height detector 23 controls the first power source 67 driving the fixed frame 58 to rotate to drive the swinging device 97 arranged in the machine body 10 to move, the swinging device 97 drives the swinging rods 48 rotatably arranged at the front side and the rear side of the machine body 10 to rotate, so that the auxiliary wheel 41 rotatably arranged at the tail end of the swinging rod 48 is driven to abut against the upper part of the obstacle, so that the left side of the machine body 10 is driven to lift a certain height, at the moment, the moving device 99 drives the equipment to move and simultaneously drives the auxiliary wheel 41 to rotate through the belt device 96, at the moment, the equipment is changed from two-wheel drive into four-wheel drive, and a broadcaster 68 is provided in the device to provide a verbal indication to the user that an obstacle is present in front of the device.

Beneficially, the moving device 99 includes a belt cavity 33 disposed in the vehicle body 10, a first rotating shaft 13 is rotatably disposed between the belt cavity 33 and the transmission cavity 16, a first bevel gear 14 is fixedly disposed at an end of the first rotating shaft 13 in the transmission cavity 16, a first pulley 39 is fixedly disposed at an end of the first rotating shaft 13 in the belt cavity 33, a second rotating shaft 50 is rotatably disposed in the transmission cavity 16, a second bevel gear 15 engaged with the first bevel gear 14 is fixedly disposed on an outer surface of the second rotating shaft 50 in the transmission cavity 16, front and rear sides of the second rotating shaft 50 penetrate through the vehicle body 10 and extend out of the vehicle body 10, a driving wheel 49 is fixedly disposed at an end of the second rotating shaft, sliding grooves 34 with opposite openings are symmetrically disposed in front and rear end walls of the belt cavity 33, and sliding plates 35 are slidably disposed in the sliding grooves 34, an extension spring 36 is arranged between the sliding plate 35 and the end wall of the sliding groove 34, the tail end of the sliding plate 35 extends into the belt cavity 33 and is rotatably provided with a second belt wheel 37, a separation cavity 22 is arranged in the bottom wall of the belt cavity 33, a limit groove 29 is communicated between the separation cavity 22 and the belt cavity 33, a supporting block 31 is slidably arranged in the limiting groove 29, a second power source 30 is fixedly arranged in the supporting block 31, a third belt wheel 40 is fixedly arranged at the tail end of the output shaft of the second power source 30, the third belt wheel 40, the first belt wheel 39 and the front and the back second belt wheels 37 are in transmission fit connection through a first belt 38, a first electric telescopic rod 32 fixedly connected with the supporting block 31 is arranged in the right end wall of the limiting groove 29, and the first electric telescopic rod 32 is electrically connected with the detector 20.

Beneficially, the scanning device 98 includes a third rotating shaft 25 rotatably disposed in the swing cavity 28, the infrared height detecting instrument 23 is fixedly disposed on an outer surface of the third rotating shaft 25, a first worm wheel 24 is fixedly disposed on an outer surface of the infrared height detecting instrument 23, a first worm 27 meshed with the first worm wheel 24 is rotatably disposed between the swing cavity 28 and the separation cavity 22, a first gear 21 is fixedly disposed at a tail end of the first worm 27 in the separation cavity 22, the first gear 21 is matched with a sector gear 12 fixed to a bottom end of an output shaft of the second power source 30, and torsion springs 26 which are symmetrical up and down are disposed between upper and lower end walls of the first worm 27 and the swing cavity 28.

Advantageously, the swing device 97 includes a worm wheel cavity 17 disposed in the top wall of the switching cavity 55, a fourth rotating shaft 18 extending back and forth is rotatably disposed in the worm wheel cavity 17, the front and rear ends of the fourth rotating shaft 18 are fixedly connected with the swing rods 48 disposed on the front and rear sides of the vehicle body 10, a second worm wheel 19 is fixedly disposed on the outer surface of the fourth rotating shaft 18 in the worm wheel cavity 17, a second worm 64 engaged with the second worm wheel 19 is rotatably disposed between the worm wheel cavity 17 and the switching cavity 55, a second gear 63 is fixedly disposed at the end of the second worm 64 in the switching cavity 55, a downward-opening sliding cavity 65 is disposed in the top wall of the switching cavity 55, a sliding block 66 is slidably disposed in the sliding cavity 65, a third gear 61 engaged with the second gear 63 is fixedly disposed at the end of the first power source 67 fixedly disposed in the bottom wall of the sliding block 66, a second worm 64 fixedly connected with the sliding block 66 is arranged in the left end wall of the sliding cavity 65, and the second worm 64 is electrically connected with the infrared height detector 23.

Advantageously, a fifth rotating shaft 57 fixedly connected with the fixed frame 58 is rotatably arranged between the rotating cavity 60 and the switching cavity 55, and a fourth gear 56 meshed with the third gear 61 is fixedly arranged at the end of the fifth rotating shaft 57 in the switching cavity 55.

Advantageously, the belt device 96 includes a sixth rotating shaft 53 rotatably disposed at the end of the swing rod 48 and fixedly connected to the auxiliary wheel 41, a fourth belt wheel 42 is fixedly disposed at the end of the sixth rotating shaft 53 on the side away from the auxiliary wheel 41, a fifth belt wheel 51 fixed to the outer surface of the second rotating shaft 50 is disposed between the driving wheel 49 and the vehicle body 10, a through slot 43 is disposed in the swing rod 48, a fixed block 45 is slidably disposed in the through slot 43, a pressing spring 44 is disposed between the fixed block 45 and the top wall of the through slot 43, a fifth belt wheel 46 is rotatably disposed on the end wall of the fixed block 45, and the fifth belt wheel 46, the fifth belt wheel 51 and the fourth belt wheel 42 are in transmission fit connection through a second belt wheel 52.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

As shown in fig. 1 to 4, in the initial state of the apparatus of the present invention, the slide block 66 is located at the left side of the slide cavity 65, the fourth gear 56 is engaged with the third gear 61, the third gear 61 is disengaged from the second gear 63, the support block 31 is located at the right side of the limit groove 29, and the sector gear 12 is disengaged from the first gear 21.

Sequence of mechanical actions of the whole device:

1. when the device works, a user holds the tail end of the handrail 11, and inputs a destination to the device through intelligent voice, at this time, the controller in the device controls the second power source 30 to drive the third belt pulley 40 to rotate, so as to drive the first belt pulley 39 to rotate, so as to drive the first rotating shaft 13 to rotate, so as to drive the first bevel gear 14 to rotate, so as to drive the second bevel gear 15 to rotate, so as to drive the driving wheel 49 to rotate, and the driving wheel 49 rotates to drive the device to move so as to guide the user;

2. when the detector 20 arranged in the device detects an obstacle on a moving road section, the detector 20 controls the first electric telescopic rod 32 to drive the supporting block 31 to move leftwards and then rightwards, thereby bringing the sector gear 12 into engagement with the first gear 21, wherein the first gear 21 rotates to bring the first gear 21 into rotation, the first gear 21 rotates to bring the first worm 27 into rotation, thereby driving the torsion spring 26 to store energy, and simultaneously the first worm 27 rotates and drives the first worm wheel 24 to rotate, thereby driving the infrared height detector 23 to swing upwards, and after the supporting block 31 moves to the right, the sector gear 12 is separated from the first gear 21, and the torsion spring 26 drives the first worm 27 to rotate reversely, thereby driving the first worm gear 24 to rotate reversely, and driving the infrared height detector 23 to swing downwards;

3. the infrared height detecting instrument 23 detects the height of an obstacle during the process of swinging up and down, when the height of the obstacle is high, the first power source 67 drives the third gear 61 to rotate, so as to drive the fifth rotating shaft 57 to rotate, so as to drive the steering wheel 59 to swing by a certain angle, at the same time, the equipment rotates by a certain angle to avoid the obstacle, when the infrared height detecting instrument 23 detects that the height of the obstacle is low, the infrared height detecting instrument 23 controls the second electric telescopic rod 54 to drive the sliding block 66 to move rightwards, so as to drive the third gear 61 to move rightwards to be meshed with the second gear 63, at the same time, the first power source 67 drives the third gear 61 to rotate, so as to drive the second gear 63 to rotate, so as to drive the second worm 64 to rotate, so as to drive the second worm wheel 19 to rotate, and the second worm wheel 19 rotates to drive the fourth rotating shaft 18, thereby driving the swing lever 48 to rotate to the left, when the auxiliary wheel 41 rotates to abut against the upper end wall of the obstacle, the left side of the vehicle body 10 is lifted, when the left side of the steering wheel 59 is higher than the upper end wall of the obstacle, the driving wheel 49 rotates to drive the vehicle body 10 to move to the left, thereby driving the left side of the vehicle body 10 to move above the obstacle, and simultaneously the driving wheel 49 rotates to drive the fifth belt wheel 51 to rotate, thereby driving the fourth belt wheel 42 to rotate, thereby driving the auxiliary wheel 41 to rotate, at this time, the device is converted from two-wheel drive to four-wheel drive, thereby driving the device to move above the obstacle, at the same time, the sound broadcaster 68 arranged in the device gives out a voice to the user to prompt that there is an obstacle in front, at this time, the first power source 67 drives the third gear 61 to rotate in the reverse direction, thereby driving the swing lever 48, the second electric telescopic rod 54 drives the sliding block 66 to move left and reset, and the equipment restores to the initial state and continues to guide the user.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a special guide car of disabled person, includes the automobile body and articulated handrail of connecting on the automobile body right side end wall, its characterized in that: a transmission cavity is arranged in the bottom wall of the vehicle body, a moving device for driving the equipment to move is arranged in the transmission cavity, a rotating cavity with a downward opening is arranged in the bottom wall of the vehicle body, a fixed frame is rotatably arranged in the rotating cavity, a steering wheel is rotatably arranged at the bottom of the fixed frame, the moving direction of the equipment can be adjusted by rotating the fixed frame, two detectors which are symmetrical front and back are fixedly arranged on the end wall of the left side of the vehicle body, a swinging cavity with a leftward opening is arranged in the end wall of the left side of the vehicle body, an infrared height detector which can swing up and down is arranged in the swinging cavity, a scanning device arranged in the swinging cavity drives the infrared height detector to swing up and down when the detectors sense that an obstacle exists in front of the equipment, so as to judge the height of the, therefore, the obstacle is avoided, when the height of the obstacle is low, the infrared height detector controls and drives the first power source for rotating the fixing frame to move and drive the swinging device arranged in the body of the machine body, the swinging device drives the swinging rods which are rotatably arranged on the front side and the rear side of the body to rotate so as to drive the auxiliary wheels which are rotatably arranged at the tail ends of the swinging rods to abut against the upper part of the obstacle, so that the left side of the body is driven to lift up to a certain height, at the moment, the moving device drives equipment to move and simultaneously drives the auxiliary wheels to rotate through the belt device, at the moment, the equipment is changed from two-wheel drive to four-wheel drive, the equipment can be easily overturned over to the upper part of the obstacle, and meanwhile, the.

2. The special guiding vehicle for the disabled as claimed in claim 1, wherein: the moving device comprises a belt cavity arranged in the vehicle body, a first rotating shaft is rotatably arranged between the belt cavity and the transmission cavity, a first bevel gear is fixedly arranged at the tail end of the first rotating shaft in the transmission cavity, a first belt wheel is fixedly arranged at the tail end of the first rotating shaft in the belt cavity, a second rotating shaft is rotatably arranged in the transmission cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged on the outer surface of the second rotating shaft in the transmission cavity, the front side and the rear side of the second rotating shaft penetrate through the vehicle body and extend out of the vehicle body, driving wheels are fixedly arranged at the tail ends of the first rotating shaft and the second rotating shaft, sliding grooves with opposite openings are symmetrically arranged in the front end wall and the rear end wall of the belt cavity, sliding plates are slidably arranged in the sliding grooves, an extension spring is arranged between the sliding plates and the end walls of the sliding grooves, the, the belt cavity bottom wall is provided with a separation cavity, the separation cavity is communicated with a limiting groove between the belt cavities, the limiting groove is slidably provided with a supporting block, a second power source is fixedly arranged in the supporting block, the tail end of an output shaft of the second power source is fixedly provided with a third belt wheel, the first belt wheel and the front belt wheel and the rear belt wheel are connected in a matched mode through a first belt in a transmission mode, a first electric telescopic rod fixedly connected with the supporting block is arranged in the end wall of the right side of the limiting groove, and the first electric telescopic rod is in electric connection with the detector.

3. The special guiding vehicle for the disabled as claimed in claim 1, wherein: scanning device includes the swing intracavity rotates the third pivot that sets up, infrared high detector fixed set up in on the third pivot surface, infrared high detector surface mounting is provided with first worm wheel, the swing chamber with rotate between the disengagement chamber be provided with the first worm of first worm wheel meshing, the disengagement intracavity first worm end is fixed and is provided with first gear, first gear with the fan-shaped gear cooperation of the terminal fixed in second power supply output shaft bottom, first worm with be provided with the torsional spring of longitudinal symmetry between the end wall about the swing chamber.

4. The special guiding vehicle for the disabled as claimed in claim 1, wherein: the swing device comprises a worm gear cavity arranged in the top wall of the switching cavity, a fourth rotating shaft extending forwards and backwards is rotatably arranged in the worm gear cavity, the tail ends of the front side and the back side of the fourth rotating shaft are fixedly connected with the swing rods arranged on the front side and the back side of the vehicle body, a second worm gear is fixedly arranged on the outer surface of the fourth rotating shaft in the worm gear cavity, a second worm meshed with the second worm gear is rotatably arranged between the worm gear cavity and the switching cavity, a second gear is fixedly arranged at the tail end of the second worm in the switching cavity, a sliding cavity with a downward opening is arranged in the top wall of the switching cavity, a sliding block is slidably arranged in the sliding cavity, a third gear matched with the second gear is fixedly arranged at the tail end of the first power source fixedly arranged in the bottom wall of the sliding block, and a second worm fixedly connected with the sliding block is arranged in the, the second worm is electrically coupled to the infrared height detector.

5. The special guiding vehicle for the disabled as claimed in claim 1, wherein: the rotating cavity and the switching cavity are rotatably provided with a fifth rotating shaft fixedly connected with the fixing frame, and a fourth gear meshed with the third gear is fixedly arranged at the tail end of the fifth rotating shaft in the switching cavity.

6. The special guiding vehicle for the disabled as claimed in claim 1, wherein: the belt device comprises a sixth rotating shaft which is arranged at the tail end of the oscillating rod in a rotating mode and is fixedly connected with the auxiliary wheel, the sixth rotating shaft is far away from a fourth belt wheel fixedly arranged at the tail end of one side of the auxiliary wheel, a fifth belt wheel fixed to the outer surface of the second rotating shaft is arranged between the driving wheel and the vehicle body, a through groove is formed in the oscillating rod, a fixed block is slidably arranged in the through groove, a top pressure spring is arranged between the top wall of the through groove, a fifth belt wheel is arranged on the end wall of the fixed block in a rotating mode, and the fifth belt wheel is connected with the fourth belt wheel in a matched mode through transmission of the second belt wheel.