CN211535489U

CN211535489U - Blind person's dolly can lift based on holographic touch

Info

Publication number: CN211535489U
Application number: CN201921258222.8U
Authority: CN
Inventors: 张鹏; 于国奇
Original assignee: Qilu University of Technology
Current assignee: Qilu University of Technology
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-09-22
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a but lifting blind person's dolly based on holographic touch, including the chassis, the seat is installed to the chassis top, and front wheel portion and rear wheel portion, characterized by are installed to the chassis below: the front wheel part and the rear wheel part are symmetrical about the center of the chassis, the front wheel part comprises a fixing part fixed below the chassis and a rotating part capable of rotating around the fixing part, the fixing part comprises a power gear and a rotating gear, the rotating part and the fixing part are connected through a rotating shaft penetrating through the power gear and the rotating gear, the power gear is meshed with a driven gear of a differential mechanism, and the differential mechanism is connected with a wheel hub provided with a front wheel through a telescopic double-joint universal joint. The utility model has the advantages that: the trolley can realize flat ground running, front and rear wheel lifting obstacle crossing and steering, has better maneuverability and stability, and can meet the running conditions of the trolley in cities; the blind can simulate real touch by touching with hands, and replace vision with touch, so that the blind can know the surrounding environment and improve the participation of life.

Description

Blind person's dolly can lift based on holographic touch

(I) technical field

The utility model relates to a blind person's dolly, in particular to but lifting blind person's dolly based on holographic touch.

(II) background of the invention

With the progress of science and technology and the development of society, the society pays more attention to disabled people such as the blind, a plurality of facilities providing convenience for the life of the blind are continuously put into practical use, mainly including two types of crutches and navigation trolleys, the crutches have the advantages of lightness, easiness and the like, but the crutches need to be manually or semi-manually used by the blind, and sometimes the users may have no patience in some complex situations; for the blind person navigation trolley, the central control computer can be used for navigating the blind person to walk, but for the blind person, only a destination is provided for the navigation trolley, compared with normal people, the blind person participates in the process, the experience of the blind person on life is reduced, and the communication with the living environment is ignored.

Disclosure of the invention

The utility model discloses a remedy prior art not enough, provide a but lifting blind person's dolly based on holographic touch that mobility is strong, stability is high, make blind person's life participation degree high.

The utility model discloses a realize through following technical scheme:

the utility model provides a but lifting blind person's dolly based on holographic touch, includes the chassis, and the seat is installed to the chassis top, and preceding wheel portion and rear wheel portion, characterized by are installed to the chassis below: the front wheel part and the rear wheel part are symmetrical about the center of the chassis, the front wheel part comprises a fixing part fixed below the chassis and a rotating part capable of rotating around the fixing part, the fixing part comprises a power gear and a rotating gear, the rotating part and the fixing part are connected through a rotating shaft penetrating through the power gear and the rotating gear, the power gear is meshed with a driven gear of a differential mechanism, and the differential mechanism is connected with a wheel hub provided with a front wheel through a telescopic double-joint universal joint.

An infrared detection platform and a holographic touch box are installed at the front end above the chassis and are respectively connected with a central controller.

And the middle part below the chassis is also provided with a middle wheel part.

The differential is arranged on the differential bracket, and a steering bracket is connected between the differential bracket and the rotating shaft.

And a side frame and a steering electric cylinder are connected between the differential bracket and the hub.

The power gear is meshed with the power worm, the rotating gear is meshed with the rotating worm, the power worm is driven by the power motor, and the rotating worm is driven by the rotating motor.

And couplings are respectively arranged between the power worm and the power motor and between the rotating worm and the rotating motor.

And a support frame is connected between the two ends of the rotating shaft and the chassis.

And the infrared detection table is provided with a handrail.

The rear part above the chassis is provided with a storage box.

The utility model has the advantages that: the trolley can realize flat ground running, front and rear wheel lifting obstacle crossing and steering, has better maneuverability and stability, and can meet the running conditions of the trolley in cities; the blind can simulate real touch by touching with hands, and replace vision with touch, so that the blind can know the surrounding environment and improve the participation of life.

(IV) description of the drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a rotary part of the present invention;

FIG. 3 is a schematic view of the front wheel mounting structure of the present invention;

FIG. 4 is a schematic view of a steering mode of the present invention;

FIG. 5 is a schematic view of a second steering mode of the present invention;

FIG. 6 is a schematic diagram showing the lifting state of the front wheel part of the present invention;

fig. 7 is a schematic diagram of the lifting state of the rear wheel part of the present invention;

FIG. 8 is a holographic touch negative feedback flow chart of the present invention;

in the figure, 1 chassis, 2 seats, 3 front wheel parts, 4 rear wheel parts, 5 fixed parts, 6 rotating parts, 7 power gears, 8 rotating gears, 9 rotating shafts, 10 differentials, 11 driven gears, 12 telescopic double-joint universal joints, 13 wheel hubs, 14 infrared detection tables, 15 holographic touch boxes, 16 central controllers, 17 middle wheel parts, 18 differential supports, 19 steering supports, 20 side frames, 21 steering electric cylinders, 22 power worms, 23 rotating worms, 24 power motors, 25 rotating motors, 26 couplings, 27 supporting frames, 28 handrails and 29 storage boxes.

(V) detailed description of the preferred embodiments

The attached drawing is a concrete embodiment of the utility model. The embodiment comprises a chassis 1, a seat 2 is arranged above the chassis 1, a front wheel part 3 and a rear wheel part 4 are arranged below the chassis 1, the front wheel part 3 and the rear wheel part 4 are centrosymmetric about the chassis 1, the front wheel part 3 is composed of a fixed part 5 fixed below the chassis 1 and a rotating part 6 capable of rotating around the fixed part 5, the fixed part 5 comprises a power gear 7 and a rotating gear 8, the rotating part 6 and the fixed part 5 are meshed with a driven gear 11 of a differential mechanism 10 through a rotating shaft 9 penetrating through the power gear 7 and the rotating gear 8, and the differential mechanism 10 is connected with a hub 13 for mounting a front wheel through a telescopic double-joint universal joint 12. An infrared detection table 14 and a holographic touch box 15 are installed at the front end above the chassis 1, and the infrared detection table 14 and the holographic touch box 15 are respectively connected with a central controller 16. The middle part below the chassis 1 is also provided with a middle wheel part 17. The differential 10 is mounted on a differential carrier 18, and a steering carrier 19 is connected between the differential carrier 18 and the rotary shaft 9. A side frame 20 and a steering cylinder 21 are connected between the differential carrier 18 and the hub 13. The power gear 7 is meshed with the power worm 22, the rotating gear 8 is meshed with the rotating worm 23, the power worm 22 is driven by the power motor 24, and the rotating worm 23 is driven by the rotating motor 25. Couplings 26 are respectively arranged between the power worm 22 and the power motor 24 and between the rotating worm 23 and the rotating motor 25. Support frames 27 are connected between the two ends of the rotating shaft 9 and the chassis 1. The infrared detection stage 14 is provided with a handrail 28. A storage box 29 is arranged at the upper rear part of the chassis 1.

Adopt the utility model discloses a but lifting blind person's dolly based on holographic touch, during the straight line walking, the power transmission process is: the power motor 24 drives the power worm 22 to rotate so as to drive the power gear 7 to rotate, and the power gear 7 drives the differential 10 to rotate through the driven gear 11 so as to drive the wheels to rotate. During steering, the steering electric cylinder 21 slides on the differential bracket 18, stretches and retracts simultaneously, namely, the steering electric cylinder operates in the X direction and the Y direction, the wheel hub 13 is driven to rotate around the shaft, and meanwhile, the wheels rotate along with the rotation to complete steering. When the obstacle is crossed, the rotating motor 25 works to drive the rotating worm 23 to rotate, so that the rotating gear 8 is driven to rotate, the rotating gear 8 is connected with the rotating shaft 9 through a key, the rotating shaft 9 can be driven to rotate, the differential mechanism support 18 is driven to rotate through the steering support 19, the rotating part 6 of the front wheel part 3 can rotate forwards relative to the chassis 1, the wheels are driven when rotating to the front, all six wheels of the front wheel part 3, the middle wheel part 17 and the rear wheel part 4 are driving wheels, the simulation of ' people going up a step ', one leg is lifted above, one leg is supported below ', the front wheel of the trolley is driven above, the other wheels are driven below, and the whole trolley body is lifted to cross the obstacle. The rear wheel part 4 and the front wheel part 3 have the same function, rotate backwards and lift relative to the chassis 1, and are suitable for backing a car, ensuring that the car is not easy to turn, and returning to the original position.

Six wheels of the trolley are driving wheels, and the trolley turns to two modes, namely, the whole trolley body rotates around a circle center, and the six wheels rotate at a certain angle simultaneously to run transversely.

The middle wheel 17 has the same structure as the fixed portions 5 of the front wheel 3 and the rear wheel 4, but does not have the rotating portion 6.

When the 5G era and the internet of things era come, the central controller 16 receives information of an external object through the internet of things, transmits the information to the projection part and the ultrasonic wave emitting part of the holographic touch box 15 in real time, and can form a point with the same phase of the ultrasonic waves emitted by all the emitters as the focal point of the lens by controlling the phase difference of the ultrasonic waves emitted by all the emitters, and the point impacts human hands. By outputting ultrasonic waves at the moment that the 3D image is overlapped with the position of the hand, the hand is slightly impacted, the feeling like touching the image object is realized, the blind can know the surrounding information by touching with the hand, and even the surrounding environment is simulated. The blind person can be helped to deepen the understanding of the blind person to the surrounding environment. The infrared detection station 14 at the front part of the trolley can detect the front information in the running process, so that the danger is avoided.

Claims

1. The utility model provides a but lifting blind person's dolly based on holographic touch, includes chassis (1), and seat (2) are installed to chassis (1) top, and preceding wheel portion (3) and rear wheel portion (4), characterized by are installed to chassis (1) below: front wheel portion (3) and rear wheel portion (4) are about chassis (1) central symmetry, and front wheel portion (3) comprise fixed part (5) that are fixed in chassis (1) below and rotating part (6) that can rotate around fixed part (5), and fixed part (5) include power gear (7) and rotating gear (8), and rotating part (6) and fixed part (5) are through wearing to locate power gear (7) and rotating gear's (8) rotation axis (9), and power gear (7) mesh with driven gear (11) of differential mechanism (10) mutually, and differential mechanism (10) are connected with wheel hub (13) of installation front wheel through flexible two-section universal joint (12).

2. The holographically-touch-based liftable blind trolley according to claim 1, wherein: an infrared detection table (14) and a holographic touch box (15) are installed at the front end above the chassis (1), and the infrared detection table (14) and the holographic touch box (15) are respectively connected with a central controller (16).

3. The holographically-touch-based liftable blind trolley according to claim 1, wherein: and a middle wheel part (17) is also arranged in the middle of the lower part of the chassis (1).

4. The holographically-touch-based liftable blind trolley according to claim 1, wherein: the differential (10) is arranged on a differential bracket (18), and a steering bracket (19) is connected between the differential bracket (18) and the rotating shaft (9).

5. The holographically-touch-based liftable blind trolley according to claim 4, wherein: and a side frame (20) and a steering electric cylinder (21) are connected between the differential bracket (18) and the hub (13).

6. The holographically-touch-based liftable blind trolley according to claim 1, wherein: the power gear (7) is meshed with the power worm (22), the rotating gear (8) is meshed with the rotating worm (23), the power worm (22) is driven by the power motor (24), and the rotating worm (23) is driven by the rotating motor (25).

7. The holographically-touch-based liftable blind trolley according to claim 6, wherein: and couplings (26) are respectively arranged between the power worm (22) and the power motor (24) and between the rotating worm (23) and the rotating motor (25).

8. The holographically-touch-based liftable blind trolley according to claim 1, wherein: and a support frame (27) is connected between the two ends of the rotating shaft (9) and the chassis (1).

9. The holographically-touch-based liftable blind trolley according to claim 2, wherein: and the infrared detection table (14) is provided with a handrail (28).

10. The holographically-touch-based liftable blind trolley according to claim 1, wherein: the rear part above the chassis (1) is provided with a storage box (29).