CN204527439U - A kind of self-balancing wheelbarrow with center of gravity automatic regulation function - Google Patents

A kind of self-balancing wheelbarrow with center of gravity automatic regulation function Download PDF

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Publication number
CN204527439U
CN204527439U CN201520152652.7U CN201520152652U CN204527439U CN 204527439 U CN204527439 U CN 204527439U CN 201520152652 U CN201520152652 U CN 201520152652U CN 204527439 U CN204527439 U CN 204527439U
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CN
China
Prior art keywords
pedal
wheelbarrow
screw mandrel
motor
auxiliary wheel
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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.)
Expired - Fee Related
Application number
CN201520152652.7U
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Chinese (zh)
Inventor
李陈
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李陈
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Priority to CN201420843742 priority
Application filed by 李陈 filed Critical 李陈
Priority to CN201520152652.7U priority patent/CN204527439U/en
Application granted granted Critical
Publication of CN204527439U publication Critical patent/CN204527439U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of self-balancing wheelbarrow with center of gravity automatic regulation function, include car body and be arranged on two pedals on the erection column of car body both sides, described pedal is rotatably connected to a screw mandrel, be provided with a motor in order to drive screw mandrel to rotate in pedal, described screw mandrel is connected by screw-driven with described erection column; Described motor is electrically connected with the controller of wheelbarrow.When wheelbarrow speed, motor driving screw mandrel rotates backward and pedal is moved to the rear of wheelbarrow direct of travel, like this when needs brake, as long as user's health is swung back a little, center of gravity at once moves to wheelbarrow rear portion, can realize braking in time and ensure that user's amplitude of leaning back can not be excessive and cause falling down.

Description

A kind of self-balancing wheelbarrow with center of gravity automatic regulation function
Technical field
The utility model belongs to wheelbarrow construction applications, is specifically related to a kind of self-balancing wheelbarrow with center of gravity automatic regulation function.
Background technology
Self-balancing electronic wheelbarrow is a kind of driven by power, has the walking-replacing tool of homeostasis function; In today of social develop rapidly, traffic congestion has also become universal phenomenon, and electric unicycle replaces bicycle and battery-driven car to be development of fashion as the vehicle.The rise of Self-balancing electronic wheelbarrow, by the traffic revolution that initiation one is new; Existing electric unicycle is when riding, user carrys out corresponding control wheelbarrow by adjustment forward lean or layback and advances or brake, when needing emergency brake in the process of riding with fast speed, health subconsciously can be swung back and wheelbarrow is braked as soon as possible by user greatly, but the excessive crank that easily causes of angle of layback causes falling, there is safety hazard, and the stressed conference excessively of the motor of wheelbarrow makes immediate current excessive, affects the service life of motor.
Utility model content
Technical problem to be solved in the utility model is: the deficiency existed for prior art, there is provided a kind of simple and ingenious structure, transition layback when can avoid user's sudden stop and the self-balancing wheelbarrow with center of gravity automatic regulation function that causes crank and fall down.
For realizing the object of the utility model, be achieved by the following technical solutions: a kind of self-balancing wheelbarrow with center of gravity automatic regulation function, include car body and be arranged on two pedals on the erection column of car body both sides, described in one or two, the lower surface of pedal is provided with auxiliary wheel system; Described auxiliary wheel system includes auxiliary wheel, the strut bar of described auxiliary wheel is installed, to be molded over below described pedal and the mount pad be rotationally connected with described strut bar, with the drive spindle be rotationally connected in the middle part of strut bar, and the slide block to be rotationally connected with the drive spindle other end, described auxiliary wheel is near side, car body rear below pedal, and described skid is arranged in described pedal; Also be provided with in described pedal and drive the drive system of described skid: described drive system includes the second motor be arranged in pedal, the second screw mandrel be fixedly connected with described second motor output shaft, described second screw mandrel is connected by screw-driven with described slide block; The second described screw mandrel is parallel with the direction of slip of described slide block, and the side of described slide block forms and coordinates with described second screw mandrel the tooth bar be in transmission connection; Two described pedals are rotatably connected to first screw mandrel along car body fore-and-aft direction, and be provided with first motor in order to drive the first screw mandrel to rotate in pedal, described first screw mandrel is connected by screw-driven with described erection column; Described first motor, the second motor are electrically connected with the controller of wheelbarrow respectively.
Preferably: only have in two described pedals below a pedal and be provided with auxiliary wheel system, it is concordant with the wheel lower surface of wheelbarrow when described auxiliary wheel drops to end position.
Preferably: below two described pedals, be all provided with auxiliary wheel system, 5-15mm is exceeded than the wheel lower surface of wheelbarrow when described auxiliary wheel drops to end position.
Compared with prior art, the beneficial effects of the utility model are: when wheelbarrow speed is higher than (during wheelbarrow speed) during the second command speed, motor driving screw mandrel rotates backward and pedal is moved to the rear of wheelbarrow direct of travel, like this when needs brake, as long as user's health is swung back a little, center of gravity at once moves to wheelbarrow rear portion, can realize braking in time and ensure that user's amplitude of leaning back can not be excessive and cause falling down.When wheelbarrow speed drops to lower than (when wheelbarrow speed is lower) during the first command speed, motor drives screw mandrel rotation that pedal is moved to the front of wheelbarrow working direction, such user health that do not need to lean forward can keep wheelbarrow low speed and at the uniform velocity travel, thus reduce shank firmly; Simultaneously auxiliary wheel declines and earth surface, even if the wheelbarrow low speed driving user that even stops also can stably stand on pedal like this, does not need to get off, very easy to use; And brake hourly velocity also quickly falls to below the first command speed, auxiliary wheel declines immediately, and pedal is not also able to do in time to move to the front of wheelbarrow working direction, namely now auxiliary wheel is in the rear position (rear of wheelbarrow wheel and ground-contacting position) of vehicle body side, the effect of supplemental support can be played, guarantee can not swing back that amplitude is excessive because of user and to cause wheelbarrow motor to bear moment of torsion excessive and out of control, improves safety.
Accompanying drawing explanation
Fig. 1, Fig. 2, Fig. 3 are structural representations of the present utility model.
Fig. 4 is the structural representation of the pedal being provided with screw mandrel.
Fig. 5 is the connection structure schematic diagram being provided with each parts of auxiliary wheel system and pedal.
Fig. 6 is the structural representation of pedal.
1, car body; 11, erection column; 2, pedal; 20, mount pad; 21, motor installation cavity; 22, slide rail; 23, auxiliary wheel container cavity; 24, screw mandrel installation cavity; 25, the first motor; 26, the first screw mandrel; 3, strut bar; 4, auxiliary wheel; 5, drive spindle; 6, source switch; 7, slide block; 8, the second motor; 9, the second screw mandrel.
Detailed description of the invention
With reference to the accompanying drawings detailed description of the invention of the present utility model is made a detailed explanation below.
embodiment 1
According to Fig. 1 and Fig. 6, a kind of self-balancing wheelbarrow with center of gravity automatic regulation function described in the present embodiment, include car body 1 and be arranged on two pedals 2 on car body both sides erection column 11, described in one or two, the lower surface of pedal is provided with auxiliary wheel system; Described auxiliary wheel system includes auxiliary wheel 4, the strut bar 3 of described auxiliary wheel is installed, to be molded over below described pedal and the mount pad 20 be rotationally connected with described strut bar, with the drive spindle 5 be rotationally connected in the middle part of strut bar, and the slide block 7 to be rotationally connected with the drive spindle other end, described auxiliary wheel is near side, car body rear below pedal, and described skid is arranged in described pedal; Also be provided with in described pedal and drive the drive system of described skid: described drive system includes the second motor 8 be arranged in pedal, the second screw mandrel 9 be fixedly connected with described second motor output shaft, described second screw mandrel is connected by screw-driven with described slide block; The second described screw mandrel is parallel with the direction of slip of described slide block, and the side of described slide block forms and coordinates with described second screw mandrel the tooth bar be in transmission connection; Two described pedals are rotatably connected to first screw mandrel 26 along car body fore-and-aft direction, and be provided with first motor 25 in order to drive the first screw mandrel to rotate in pedal, described first screw mandrel is connected by screw-driven with described erection column; Described first motor, the second motor are electrically connected with the controller of wheelbarrow respectively, when wheelbarrow speed is lower than 3km/h, controller controls the first motor and drives the first screw mandrel rotate thus pedal is moved to wheelbarrow direct of travel front, controls the second motor drive auxiliary wheel to decline with Time Controller; When wheelbarrow speed is higher than 12km/h, controller controls the first motor and drives the first screw mandrel counter-rotation thus pedal is moved to the rear of wheelbarrow direct of travel, controls the second motor drive auxiliary wheel to rise with Time Controller.
Described pedal end offers the motor installation cavity 21 installing described motor, in pedal, the inner side of motor installation cavity offers leading screw installation cavity 24, the position that pedal end differs from motor installation cavity offers slide rail 22, and slide rail is communicated with described leading screw installation cavity perpendicular to the side in skid direction.The auxiliary wheel container cavity 23 holding collapsed state auxiliary wheel is offered bottom described pedal.
Only have in two described pedals below a pedal and auxiliary wheel system is installed, it is concordant with the wheel lower surface of wheelbarrow when described auxiliary wheel drops to end position, such auxiliary wheel coordinates with wheel stable support can live wheelbarrow, even if the wheelbarrow low speed driving user that even stops also can stably stand on pedal like this, do not need to get off
A notch portion is formed, the width 20-50mm larger than the width of erection column of notch portion, the amplitude that namely pedal is movable in the middle of described pedal.Described motor is arranged on side in pedal, and motor output shaft is directly coaxially connected with screw mandrel; Or motor output shaft connects train of reduction gears, and then the mouth of train of reduction gears is connected with screw mandrel.When this pedal is provided with auxiliary wheel system, the second motor of auxiliary wheel system is arranged on the opposite side of pedal.
The connection location of the first screw mandrel and pedal is near the top of pedal, and the bottom of pedal and erection column lateral wall offset thus can maintain horizontality after pedal is launched.
Described controller is equipped with gyro sensor and acceleration pick-up, gyro sensor controller is controlled state of equilibrium that wheelbarrow fore-and-aft direction is in level, when body gravity deflection front or rear, controller correspondingly controls motor forward or reverse, when the amplitude of user's body forward, rear-inclined is larger, the side-play amount that acceleration pick-up detects is larger, then controller correspondingly controls the rotating speed increase of motor.
For the electric unicycle that wheel is 14 inches, when wheelbarrow speed is higher than 12km/h, controller control motor driving screw mandrel rotates backward and pedal is moved to the rear of wheelbarrow direct of travel, like this when needs brake, as long as user's health is swung back a little, center of gravity at once moves to wheelbarrow rear portion, can realize braking in time and ensure that user's amplitude of leaning back can not be excessive and cause falling down.When wheelbarrow speed drops to lower than (when wheelbarrow speed is lower) during the first command speed, motor drives screw mandrel rotation that pedal is moved to the front of wheelbarrow working direction, such user health that do not need to lean forward can keep wheelbarrow low speed and at the uniform velocity travel, thus reduce shank firmly; Simultaneously auxiliary wheel declines and earth surface, even if the wheelbarrow low speed driving user that even stops also can stably stand on pedal like this, does not need to get off, very easy to use; And brake hourly velocity also quickly falls to below the first command speed, auxiliary wheel declines immediately, and pedal is not also able to do in time to move to the front of wheelbarrow working direction, namely now auxiliary wheel is in the rear position (rear of wheelbarrow wheel and ground-contacting position) of vehicle body side, the effect of supplemental support can be played, guarantee can not swing back that amplitude is excessive because of user and to cause wheelbarrow motor to bear moment of torsion excessive and out of control, improves safety.
For the electric unicycle that wheel is 16 inches, can set when wheelbarrow speed is higher than 15km/h, motor driving screw mandrel rotates backward and pedal is moved to the rear of wheelbarrow direct of travel.
embodiment 2
A kind of self-balancing wheelbarrow with center of gravity automatic regulation function described in the present embodiment, include car body 1 and be arranged on two pedals 2 on car body both sides erection column 11, described in one or two, the lower surface of pedal is provided with auxiliary wheel system; Described auxiliary wheel system includes auxiliary wheel 4, the strut bar 3 of described auxiliary wheel is installed, to be molded over below described pedal and the mount pad 20 be rotationally connected with described strut bar, with the drive spindle 5 be rotationally connected in the middle part of strut bar, and the slide block 7 to be rotationally connected with the drive spindle other end, described auxiliary wheel is near side, car body rear below pedal, and described skid is arranged in described pedal; Also be provided with in described pedal and drive the drive system of described skid: described drive system includes the second motor 8 be arranged in pedal, the second screw mandrel 9 be fixedly connected with described second motor output shaft, described second screw mandrel is connected by screw-driven with described slide block; The second described screw mandrel is parallel with the direction of slip of described slide block, and the side of described slide block forms and coordinates with described second screw mandrel the tooth bar be in transmission connection; Described pedal is rotatably connected to first screw mandrel 26 along car body fore-and-aft direction, and be provided with first motor 25 in order to drive the first screw mandrel to rotate in pedal, described first screw mandrel is connected by screw-driven with described erection column; Described first motor, the second motor are electrically connected with the controller of wheelbarrow respectively, and car body are provided with a change-over switch in order to switch controller mode be electrically connected with controller; When change-over switch is positioned at the first state, mode is identical with embodiment 1, namely when wheelbarrow speed is lower than 3km/h, controller controls the first motor and drives the first screw mandrel rotate thus pedal is moved to wheelbarrow direct of travel front, controls the second motor drive auxiliary wheel to decline with Time Controller; When wheelbarrow speed is higher than 12km/h, controller controls the first motor and drives the first screw mandrel counter-rotation thus pedal is moved to the rear of wheelbarrow direct of travel, controls the second motor drive auxiliary wheel to rise with Time Controller; When change-over switch pushes another state, controller mode changes, when wheelbarrow speed improves, motor driving screw mandrel rotates forward and pedal is moved to wheelbarrow direct of travel front, when wheelbarrow speed declines, motor driving screw mandrel rotates backward and pedal is moved to the rear of wheelbarrow direct of travel, and when wheelbarrow speed is lower than 3km/h, controller controls the second motor and drives auxiliary wheel to decline.
When change-over switch is in the first state, is suitable for using in or the uneven situation in ground more people, is beneficial to like this and brakes safely, identical with embodiment 1 object.When change-over switch is in the second state, is suitable for travelling (when namely not needing emergency brake) in spacious flat road surface, is particularly suited for travelling more at a distance; Specifically, after the speed of a motor vehicle improves, pedal moves forward, and user's center of gravity is moved forward, and such user's health did not just need to turn forward significantly, and health (especially shank) does not need to exert all one's strength, and reduces the sense of fatigue ridden in way far away.
All auxiliary wheel system is installed below two described pedals, when described auxiliary wheel drops to end position, exceeds 5-15mm than the wheel lower surface of wheelbarrow.Can tilt toward either side at low speed driving or when stopping like this, rely on an auxiliary wheel and wheel to coordinate and maintain balance, and two auxiliary wheels and wheel can not land, and guarantee that wheel unsettledly can not cause wheelbarrow lack of equilibrium simultaneously.

Claims (3)

1. there is a self-balancing wheelbarrow for center of gravity automatic regulation function, it is characterized in that: include car body and be arranged on two pedals on the erection column of car body both sides, described in one or two, lower surface of pedal is provided with auxiliary wheel system; Described auxiliary wheel system includes auxiliary wheel, the strut bar of described auxiliary wheel is installed, to be molded over below described pedal and the mount pad be rotationally connected with described strut bar, with the drive spindle be rotationally connected in the middle part of strut bar, and the slide block to be rotationally connected with the drive spindle other end, described auxiliary wheel is near side, car body rear below pedal, and described skid is arranged in described pedal; Also be provided with in described pedal and drive the drive system of described skid: described drive system includes the second motor be arranged in pedal, the second screw mandrel be fixedly connected with described second motor output shaft, described second screw mandrel is connected by screw-driven with described slide block; The second described screw mandrel is parallel with the direction of slip of described slide block, and the side of described slide block forms and coordinates with described second screw mandrel the tooth bar be in transmission connection;
Two described pedals are rotatably connected to first screw mandrel along car body fore-and-aft direction, and be provided with first motor in order to drive the first screw mandrel to rotate in pedal, described first screw mandrel is connected by screw-driven with described erection column; Described first motor, the second motor are electrically connected with the controller of wheelbarrow respectively.
2. a kind of self-balancing wheelbarrow with center of gravity automatic regulation function according to claim 1, it is characterized in that: only have in two described pedals below a pedal and auxiliary wheel system is installed, concordant with the wheel lower surface of wheelbarrow when described auxiliary wheel drops to end position.
3. a kind of self-balancing wheelbarrow with center of gravity automatic regulation function according to claim 1, it is characterized in that: below two described pedals, all auxiliary wheel system is installed, when described auxiliary wheel drops to end position, exceed 5-15mm than the wheel lower surface of wheelbarrow.
CN201520152652.7U 2014-12-25 2015-03-18 A kind of self-balancing wheelbarrow with center of gravity automatic regulation function Expired - Fee Related CN204527439U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2014208437426 2014-12-25
CN201420843742 2014-12-25
CN201520152652.7U CN204527439U (en) 2014-12-25 2015-03-18 A kind of self-balancing wheelbarrow with center of gravity automatic regulation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520152652.7U CN204527439U (en) 2014-12-25 2015-03-18 A kind of self-balancing wheelbarrow with center of gravity automatic regulation function

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017035886A1 (en) * 2015-09-06 2017-03-09 韦志华 Ultra-thin electric-powered unicycle having low center of gravity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017035886A1 (en) * 2015-09-06 2017-03-09 韦志华 Ultra-thin electric-powered unicycle having low center of gravity

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805

Termination date: 20160318

CF01 Termination of patent right due to non-payment of annual fee