CN201410046Y - Sectional-type caterpillar-track electric vehicle assisting disabled - Google Patents

Abstract

A sectional-type caterpillar-track electric vehicle assisting the disabled comprises a caterpillar-track system divided into front and rear sections, a saddle, a chair frame, a gravity center adjusting mechanism and a steering mechanism, wherein the caterpillar-track system comprises a large wheel, a bearing wheel, a motor, a gear set, drive shafts, a section central shaft, teeth clamping rods, abaseplate, a wheel stand, chain tracks and the like, wherein the saddle is a saddle-shaped framework, an arc toothed rail is arranged at the upper part of the saddle, a gravity center shaft is arranged in the middle of the lower part, and two ends of the saddle are hinged with the section central shaft of the front and the rear two sections of chain track system respectively; the chair frame is apentagonal framework, the lower end thereof is hinged on the gravity center shaft of the saddle, a seat is arranged at the upper part, and the gravity center adjusting mechanism is arranged in the middle part; the gravity center adjusting mechanism comprises an adjusting motor, a gear set, an electromagnet, a damping tile and an angle induction switch; the gear set is meshed with the arc toothed rail of the saddle; the steering mechanism comprises an operating rod, a direction rod rack, a front teeth clamping rod, a rear teeth clamping rod, a front poking crutch, a rear poking crutch, slidinggears on the front and rear drive shafts and a sliding electrical contact on the rear teeth clamping rod; and the angle induction switch comprises a dangle, an electric contact set and a tension spring. The utility model is used for vehicles assisting the disabled.

Description

Electronic stagewise chain rail vehicle for deformed persons

Technical field:

This utility model relates to a kind of chain railcar, particularly a kind of stagewise chain rail vehicle for deformed persons.

Background technology:

The modal form of vehicle for deformed persons is wheeled vehicle for deformed persons, also is wheelchair, but wheeled vehicle can't solve the difficult problem of upper and lower step (stair).A kind of track-mounted vehicle for deformed persons had also appearred in recent years, also can stair climbing, but owing to adopt the monoblock type chain rail that passes through full car on the structure, in use there is the problem that can't overcome, as when climbing step, along with constantly upwarping of car body, its center of gravity is constantly layback also, when the center of gravity reach surpassed the step summit, the car body that upwarps can fall rapidly under the effect of acceleration of gravity, and makes impact with the ground, this process is got rid of effect to the existing throwing of rider, stronger vibrations are arranged again, and the top is effect quite, so the ride comfort of monoblock type chain railcar, stability and safety are all poor.

Summary of the invention:

It is very capable that the purpose of this utility model provides a kind of step of climbing, and it is quite very little to run, and controls conveniently the vehicle for deformed persons of ride comfort.This utility model is different fully with traditional monoblock type chain railcar structure, adopts stagewise chain rail, by a saddle type vehicle frame section and section is tied, and seat is suspended on the saddle, and regulates center of gravity automatically by special governor motion.

The technical solution of the utility model is: a kind of electronic stagewise chain rail vehicle for deformed persons comprises forward and backward two sections chain rail systems, saddletree, chair frame, center of gravity governor motion, steering mechanism etc.Its medium chain rail system is made up of bull wheel, BOGEY WHEEL, drive motors, power gear group, tooth kelly, driving shaft, section axis, base plate, wheel carrier, chain rail etc.Two sections chain rail systems in front and back and saddletree connect.Saddletree is the saddle-shaped frame structure, top is provided with left and right twice circular arc rack rails, does not have gravity axis in the middle of the bottom, and two ends are hinged with the section axis of leading portion, back segment chain rail system respectively, the lower end of chair frame is articulated on the gravity axis, direction ratch, stick also attaching on saddletree; The feature of chair frame is the pentagon frame structure, the gravity axis of lower end and saddletree is hinged, and can rotate around it, top is provided with seat, seat is made up of seat, handrail, the chair back and chair back angle demodulator, chair frame middle part is provided with center of gravity governor motion and pedal, and the center of gravity governor motion is formed by regulating motor, regulating tooth wheels, electric magnet, damping watt, angle induction apparatus etc., and the circular arc rack rails on center of gravity regulating tooth wheels and the saddletree meshes; Steering mechanism is by stick, the direction ratch, the front and rear teeth kelly, forward and backward group turn and forward and backward driving shaft on balladeur train and the wiping electric contact group that is positioned on the tooth kelly of back form, the angle induction apparatus by dangle, electric contact group and extension spring form.

This utility model beneficial effect is: compared with prior art, has following remarkable advantage: 1, when climbing step (or crossing over vertical obstacle), body gravity rises and falls little and mild (referring to Fig. 9), stability, comfortableness improve greatly, the ability of crossing over vertical height significantly improves, under vehicle commander and position of centre of gravity same case, the ability that the stagewise chain railcar is crossed over vertical height is more than 6 times of monoblock type chain railcar in theory; 2, since stagewise chain railcar adaptation to the ground when vertical obstacle up and down to change performance good, thereby can avoid fully.The throwing that the monoblock type chain railcar produces when leap weighs straight obstacle is got rid of, is run quite, seismism.The comfortableness of taking, stability and safety all improve greatly.3, the stagewise chain railcar is when crossing over vertical obstacle, and its power performance exceeds one times to several times than monoblock type chain railcar.

Description of drawings:

Fig. 1 is a structural representation of the present utility model (partly cuing open), Fig. 2 is vertical view (analysing and observe), Fig. 3 is front view (partial cutaway), Fig. 4 is that saddletree is with the chair shelf structure and connect sketch map (axonometric drawing), Fig. 5 is the control circuit figure of steering mechanism, Fig. 6 is a center of gravity governor motion control circuit, Fig. 7 is an angle sensor structure sketch map (analysing and observe), the different phase that Fig. 8 is topping bar for this utility model, the center of gravity governor motion is kept the sketch map of seat plumbness all the time, Fig. 9 is the center of gravity change curve of stagewise chain railcar when topping bar, and Figure 10 is the vehicle commander, the center of gravity change curve of monoblock type chain railcar when topping bar that position of centre of gravity is identical with the stagewise chain railcar.

The specific embodiment:

In conjunction with above accompanying drawing this utility model is elaborated, wheel carrier 18, base plate 11, leading portion axis 15, before back segment axis 19 forms, the back segment matrix, bull wheel 21, BOGEY WHEEL 13 is installed on the wheel carrier 18, drive motors 12, power gear group 10, before, the back is dialled and is turned 8 and 28, before, back tooth kelly 7 and 2 is installed on the base plate 11, balladeur train 9 is four, vaults respectively by feather key with before, the rear drive shaft cunning is joined, before, back segment axis 15,19 respectively with saddletree 3 bottoms before, back two ends are hinged, and can rotate around it, chair frame 2 lower ends are articulated on the gravity axis 17 of saddletree 3, stick 1, direction ratch 16 also attaching on saddletree 3, stick 1 handle top is provided with the power supply control knob of drive motors, chair frame 2 tops are provided with seat and chair back angle demodulator 26, chair frame 2 middle parts are provided with angle induction apparatus 24, regulating tooth wheels 25, regulate the center of gravity governor motion that motor 23 grades are formed, the angle induction apparatus is by dangling 34, electric contact group 33, extension spring 35 compositions such as grade, steering mechanism is by stick 1, direction ratch 16, before, back tooth kelly 7,20, before, the back is dialled and is turned 8,28, balladeur train 9 compositions such as grade, the battery location of dotted portion for reserving among Fig. 1.Chair frame middle part is provided with pedal 6; Before Fig. 2 demonstrates this utility model general, the embedded arrangement of back segment chain rail, to shorten total vehicle commander's degree (it is 136cm that this utility model designs total vehicle commander), it can be turned on common landing flexibly, can find out also among Fig. 2 that direction ratch 16 and nipper kelly 7 and back tooth kelly 20 join by the bayonet socket cunning, this is because characteristics of the present utility model determine, current, back segment around separately the section axis 15, during 19 rotations, nipper kelly 7 and back tooth kelly 20 are not in the same plane with direction ratch 16, this moment, they broke away from engagement mutually, have only when car is in the plane just need turn to, this moment, sliding card was in engagement.Fig. 9 and Figure 10 draw by model experiment, and they have reflected stagewise chain railcar that the vehicle commander is identical with position of centre of gravity and monoblock type chain railcar its center of gravity change curve when last same height step.Contrast two figure, 3 points are described: 1, when topping bar, the center of gravity change curve of stagewise chain railcar is low and do not have wedge angle and sudden change gently, and the center of gravity change curve of monoblock type chain railcar is high and sudden change arranged, when the wedge angle that a is ordered among Figure 10 is monoblock type chain railcar climbing step, the car body first half constantly upwarps, when center of gravity reach during shortly past step summit C, because under the acceleration of gravity effect, the wedge angle that produces when producing a quick falling process, car body is when falling, downward around the C point, preceding swing, in swing, bottom moment strengthens rapidly, can produce angular acceleration and centrifugal force, the bottom is during to the step plane, and bottom process is obstructed, and produces bump, this process is reflected in and is the ab section on Figure 10, continues translation forward with aftercarriage.Entire curve has two places sudden changes, and is discontinuous, illustrate the monoblock type chain railcar when topping bar, exist get rid of pendulum and strenuous vibration, the quite phenomenon of running.2, center of gravity rises high more, mean and to do more merit, expend more energy, by simple analysis as can be known, initial what top bar, the power that the stagewise chain railcar is required, have only half of monoblock type chain railcar, be that power performance exceeds one times, along with the carrying out of climbing, the wasted work of two kinds of cars all will rise, but it is faster, more that the wasted work of monoblock type chain railcar rises, and this moment, the power performance of stagewise chain railcar just will exceed more than the several times than monoblock type chain railcar.3, the center of gravity change curve is low more, just means that potentiality are big more aspect stable, can draw the stagewise chain railcar to cross over the limiting altitude of vertical obstacle be more than 6 times of monoblock type chain railcar by calculating.More than the just analysis of the two center of gravity change curve when topping bar is actual when getting out of a predicament or an embarrassing situation, the advantage that the stagewise chain railcar has the monoblock type chain railcar to compare equally.

Occupation mode of the present utility model is, press the vertical drive motors power supply of stick 1 handle control knob, before, rear drive motor 12,23 runnings, and by power gear group 10 drive balladeur trains 9 and before, rear drive shaft 27,31 and bull wheel 21 rotate, body movement, when needs turn to, as turn right to, pulling stick 1, the sector of its lower end drives direction ratch 16 and travels forward, drive nipper kelly 7 and back tooth kelly 20 motion in the same way simultaneously, before, before back tooth kelly 7 and 20 drives respectively again, back group is turned 8 and 28 and rotates counterclockwise, before, the back is dialled and to be turned 8 and 28 the balladeur train 9 on preceding right driving axle 27 and the back left driving shaft 37 stirred, make itself and power gear group 10 break away from engagement, thereby right driving axle 27 and back left driving shaft 37 lose moving power simultaneously before making, and the wiping electric contact group 30 conversion contact point (see figure 5) in slip on the tooth kelly 20 after meanwhile being located at, make 32 counter-rotatings of rear drive motor, because preceding left driving shaft 36 changes forward, back right driving axle 31 turns round, they drive chain rail 14 and form a turning moment, make the car body flicker, as to turn left to, get final product with the aforesaid operations reverse operating, pushing away spring 29 is that balladeur train 9 is resetted and 10 engagements of power gear group.When topping bar or get out of a predicament or an embarrassing situation, car body is faced upward, the variation of bowing, 34 electric contacts that will connect on one side that dangle in the angle induction apparatus 24, electric magnet 4 makes damping watts 22 unclamp regulating tooth wheels 25, center of gravity is regulated motor 23 forward or reverse (see figure 6)s simultaneously, driving regulating tooth wheels 25 moves forwards or backwards on the circular arc rack rails on the saddletree 3 that is engaged with, thereby center of gravity is positioned on the vertical line by gravity axis 17 all the time, so just guaranteed that seat vertically and not bows or swing back before the meeting all the time, in case reach this point, extension spring 35 in the angle induction apparatus will make to dangle and 34 reset rapidly, breaks electrical contacts group 33, disconnect center of gravity and regulate control circuit, electric magnet 4 unclamps damping watts 22, under spring 5 promotes, damping watts 22 is near the regulating tooth wheels, play braking action, the extension spring 35 in the angle induction apparatus also works the damping actions that increase by 34 swings of dangling, and prevents that it from swinging overfrequency in body movement.

Claims (7)

1, a kind of electronic stagewise chain rail vehicle for deformed persons, comprise the two sections chain rail systems in front and back, saddletree, chair frame, center of gravity governor motion, steering mechanism etc., it is characterized in that: the section axis of front and rear sections chain rail system is articulated in the forward and backward two ends of saddletree bottom respectively, chair frame lower end is articulated on the intermediary gravity axis in saddletree bottom, chair frame top is seat, and the middle part is the center of gravity governor motion.

2, a kind of electronic stagewise chain rail vehicle for deformed persons as claimed in claim 1 is characterized in that: chain rail system is made up of bull wheel, BOGEY WHEEL, drive motors, power gear group, tooth kelly, driving shaft, section axis, base plate, wheel carrier, chain rail.

3 a kind of electronic stagewise chain rail vehicle for deformed persons as claimed in claim 1, it is characterized in that: saddletree is a saddle-shaped frame structure, its top is provided with left and right two circular arc rack rails, be provided with gravity axis in the middle of the bottom, the two ends, bottom respectively with leading portion, back segment chain rail system the section axis hinged, direction ratch, stick also attaching on saddletree.

4 a kind of electronic stagewise chain rail vehicle for deformed persons as claimed in claim 1, it is characterized in that: the chair frame is the pentagon frame structure, the lower end is articulated on the gravity axis of saddletree, and can rotate around it, top is provided with seat, seat is made up of seat, handrail, the chair back and chair back angle demodulator, and chair frame middle part is provided with center of gravity governor motion and pedal.

5 a kind of electronic stagewise chain rail vehicle for deformed persons as claimed in claim 1 is characterized in that: the center of gravity governor motion is formed by regulating the saddletree circular arc rack rails that motor, electric magnet, damping watt, angle induction apparatus, regulating tooth wheels and regulating tooth wheels are meshed.

6, a kind of electronic stagewise chain rail vehicle for deformed persons as claimed in claim 1 is characterized in that: steering mechanism by stick, direction ratch, nipper kelly, back tooth kelly, preceding group turn, the back is dialled and is turned, the balladeur train on the driving shaft of front and back and the wiping electric contact group that is positioned on the tooth kelly of back are formed.

7, a kind of electronic stagewise chain rail vehicle for deformed persons as claimed in claim 1 is characterized in that: the angle induction apparatus in the center of gravity governor motion by dangle, electric contact group and extension spring and shell form.

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