CN210149440U

CN210149440U - Balance type gravity center control device for vehicle

Info

Publication number: CN210149440U
Application number: CN201920969043.9U
Authority: CN
Inventors: 杨晓东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-03-17
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses a balance formula focus controlling means for vehicle, telescopic focus control lever including vertical placing, focus control lever's upper end and body connection, focus control lever is located the bisector of the horizontal total width of automobile body, focus control lever's lower extreme is connected with the steel ball, the steel ball below is provided with the stabilizer bar that the level was placed, be provided with on the stabilizer bar and supply steel ball male ball seat, steel ball and ball seat interference fit, stabilizer bar's both ends all are connected with the cross axle, the cross axle at stabilizer bar both ends all is connected with the wheel axle sleeve pipe, install the connecting seat on the wheel axle sleeve pipe, the connecting seat is located wheel axle sleeve pipe's central part, the connecting seat top is connected with the vertical suspension of placing, the lower extreme and the connecting seat of suspension are connected fixedly, the upper end of suspension is connected with balanced rotating device, balanced rotating device and body connection, the cross axle passes through the shaft fork. The utility model provides a problem that the condition such as whipping, turning on one's side appears in the car easily.

Description

Balance type gravity center control device for vehicle

Technical Field

The utility model relates to a vehicle balance control device, concretely relates to balance formula focus controlling means for vehicle.

Background

The automobile is a transportation tool mainly used for transporting goods and people in daily life, the total weight of each automobile is from several tons to hundreds of tons, and when the automobile runs on a road, the chassis structure needs to bear various complex loads and external forces generated by road surface changes besides the total load of the automobile body.

The vehicle is in a running state because of the defect of a chassis structure, the control function of steering centrifugal force is lacked when the vehicle runs, the function of self-adjusting the center-of-gravity support balance at two sides is lacked, so that the weight support of wheels at two sides to a vehicle body is not resolved, and simultaneously, the suspension systems at two sides, the vehicle frame and the wheels form rigid connection through front and rear axles or other transverse components to form a related mechanical action which cannot realize the self-adjusting of the center-of-gravity support balance at two sides of the vehicle body immediately when the vehicle is subjected to road shape and the center-of-gravity of the vehicle body is changed, wherein the biggest defect is that the wheels, the suspension systems, the vehicle frame, the vehicle bridge or a bearing type vehicle body are transversely connected into a whole for transverse force transmission, the wheel sides at the left side and the right side form a lever fulcrum of the whole for transverse force transmission of the vehicle body, and when, the wheels and the elastic elements on the other side enable the support to be quickly raised under the action of tire air pressure and the elastic force of the suspension elastic elements, at the moment, the transverse gravity center of the upper part of the vehicle body is necessarily deviated to the weak side of the support, the wheels on the weak side of the support are lifted as support points by the left and right rigid transverse force transmission along with the further reduction of the road surface or the further deepening of a turn and the simultaneous action of steering centrifugal force and inertia force, so that the wheels on the other side of the support are lifted by the left and right rigid transverse force transmission to enable the control performance and the braking performance of the grounding performance and the direction of the wheels on the other side to be poor, a light person causes the vehicle body to shake left and right or swing back.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that there is the defect in present vehicle chassis structure, and at the in-process of traveling, the condition such as whipping, turning on one's side appears in the car easily, and aim at provides the balance formula focus controlling means who is used for the vehicle, solves the problem that the condition such as whipping, turning on one's side appears in the car easily.

The utility model discloses a following technical scheme realizes:

a balance formula focus controlling means for vehicle, telescopic focus control lever including vertical placing, the upper end and the vehicle connection of focus control lever, the focus control lever is located the bisector of the horizontal total width of automobile body, the lower extreme of focus control lever is connected with the steel ball, the steel ball below is provided with the stabilizer bar that the level was placed, be provided with on the stabilizer bar and supply steel ball male ball seat, steel ball and ball seat interference fit, the both ends of stabilizer bar all are connected with the cross axle, the cross axle at stabilizer bar both ends all is connected with the wheel axle sleeve pipe, install the connecting seat on the wheel axle sleeve pipe, the connecting seat is located the central part of wheel axle sleeve pipe, the connecting seat top is connected with the suspension of vertical placing, the lower extreme and the connecting seat of suspension are connected fixedly, the upper end of suspension is connected with balanced rotating device, balanced rotating device and vehicle connection, the cross axle passes through.

The existing chassis lacks a control function of steering centrifugal force and a function of automatically adjusting gravity center support balance at two sides, so that the weight support of wheels at two sides to a vehicle body is not well distributed. In the prior art, a suspension system at two sides of a vehicle, a frame and wheels form rigid connection through a front axle and a rear axle or other transverse rigid components to ensure that the support of the wheels at two sides to a vehicle body is symmetrical no matter the vehicle is in a static state or a dynamic state, when the vehicle is in a dynamic state, complex force generated when a chassis encounters changes of road-shaped levelness and the self-regulation of the support balance of the gravity center at two sides of the vehicle body cannot be realized immediately according to the change of road conditions and the change of steering centrifugal force when the vehicle changes the running direction during running, wherein the biggest defect is that the left wheel, the right wheel, the suspension system, the frame, the axle or a bearing type vehicle body are transversely connected in the left-right direction to form a correlation whole body of transverse force transmission, the left wheel and the right wheel form a lever fulcrum of the correlation force transmission, when the vehicle runs forwards in the left-turning direction, the gravity center of the vehicle body inclines to the right side from front to back; when the automobile keeps the left-turning direction but changes the driving direction, when the automobile runs backwards and backs up, the gravity center of the automobile body can incline towards the left side under the action of centrifugal force, which is the change of the position of the gravity center associated with a supported object caused by the change of the supporting position when a stressed supporting point rotates from a low point position to a high point position, which is the same principle as that when people wear roller skates, when the gravity center of a human body at the upper end of the roller skates leans backwards, the roller skates slide forwards to enable the human body to naturally lean backwards, and when the roller skates slide backwards, the human body can naturally lean forwards, therefore, the automobile can generate certain centrifugal force on the automobile body due to the rotation of the wheels during the running process, which is the inherent characteristic of the dynamic state of the automobile, and the centrifugal force is opposite to the driving direction of the automobile under the normal condition, so that the centrifugal force of the automobile always runs forwards or backwards in a straight-line running environment, the gravity center of the vehicle body simultaneously fluctuates forwards or backwards, when the running direction of the running vehicle is changed leftwards or rightwards, a steering centrifugal force with a certain radian and equal to a steering angle is simultaneously generated, the direction of the steering centrifugal force is opposite to the running direction, the magnitude of the steering centrifugal force is related to the steering angle and the running speed, the steering centrifugal force generated when the steering speed and the running speed are higher in the running process of the vehicle is larger, the steering centrifugal force is a main factor causing the vehicle body to shake left and right and turn over during the running process of the vehicle, the gravity center of the vehicle body inclines to one side due to the steering centrifugal force, the wheels and all elastic elements on one side are pressed by the load of the vehicle body to reduce the support, and the wheels and the elastic elements on the other side cause the support to be rapidly increased under the action of the air pressure of the tire and the elastic elements, so that the gravity center, along with the further reduction of the side road surface or the further deepening of the turn and the simultaneous action of the steering centrifugal force and the inertia force, the larger inclination amplitude of the top of the vehicle body bears larger load by taking the wheel on the weak side of the support as a supporting point under the action of the upper gravity through the mechanical action of the left and right rigid transverse connection and the associated force transmission, and when the inclination amplitude is increased again to the weak side of the support along with the gravity center of the top of the vehicle body, the gravity when upper portion automobile body inclines and the support that the weak side wheel of lower part support prizes the opposite side wheel, and the automobile body that is supported by both sides wheel jointly originally becomes unilateral wheel support, drives the car this moment and makes huge automobile body by one side wheel support like riding the bicycle, if the automobile body is higher the swing amplitude can be bigger, in case the heavy pressure of automobile body top focus to unilateral wheel leads to the tire to break or the automobile body focus to cross the atress central line that unilateral supported the wheel and must lead to the vehicle to turn on one's side this moment in the past the limit.

The utility model connects the wheels at two sides of the vehicle body through the transverse stabilizer bar and the cross axle, and is different from the mode of connecting the wheels through the rigid axle in the prior art, the utility model cuts off the transverse force transmission between the wheels at two sides, and adapts to each supporting point of the vehicle body through the up-and-down movement of the cross axle under the condition of keeping the wheel track unchanged, and when encountering the fluctuation change of the levelness of the road surface, the utility model automatically adjusts the wheel to reach the maximum attaching degree with the road surface so as to ensure the validity of direction and brake; the utility model discloses well focus control lever, the steel ball, the stabilizer bar, the ball seat, the suspension, the combination of balanced rotating device has formed the structure of balance formula, the focus control lever is connected with the steel ball and is formed a whole, after the steel ball inserts the ball seat, the focus control lever has played spacing effect to the stabilizer bar and the wheel of stabilizer bar both sides, under the effect of automobile body gravity, the focus control lever pushes down the stabilizer bar from the central part of stabilizer bar, when the atress is unbalanced to the vehicle appears, the wheel of stabilizer bar both sides can not appear tilting by a wide margin, can prevent effectively that the vehicle from turning on one's side; the transverse stabilizer bar and the cross shafts at the two ends of the transverse stabilizer bar replace rigid axles in the prior art, the transverse force transmission between the wheels at the two sides of the vehicle body is cut off, even if the wheel at one side is reduced, the wheel at the other side cannot be greatly tilted, and the wheel and the ground reach the maximum degree of cutting; the utility model discloses well balanced rotating device and focus control pole, the steel ball, the ball seat has played the linkage effect, when meeting with road surface levelness fluctuation change, the ball seat can be clockwise round the center of steel ball, anticlockwise rotation in turn, balanced rotating device rotates with the ball seat is synchronous, balanced rotating device is clockwise round the automobile body, anticlockwise rotation in turn, the steel ball has played limiting displacement to ball seat and balanced rotating device, restriction turned angle, can not do 360 rotations, furthermore, the steel ball, balanced rotating device's spacing effect in coordination, the preceding power of contusing when the brake, the extension and the shrink of the back power of contusing and suspension that produce when the vehicle starting and the complicated power such as wheel irregular motion curve that leads to wheel lateral shifting and produce have played the control action. The utility model discloses well focus control lever, steel ball, stabilizer bar, ball seat, suspension, balanced rotating device have played effectual support and the balanced regulation of horizontal focus to the automobile body, have still alleviateed the automobile body effectively and have rocked and the tire wearing and tearing, have prevented that the vehicle direction from being out of control and turning on one's side, have strengthened the security of vehicle and the travelling comfort that the passenger took advantage of the seat, have solved the problem that the car appears whipping easily, the circumstances such as turn on one's side.

The balance rotating device comprises a connecting shaft and a sleeve which are coaxial, the sleeve is sleeved outside the connecting shaft and is rotatably connected with the connecting shaft, two ends of the connecting shaft are connected with the vehicle body through a connecting shaft fork, the upper end of the suspension is connected with the sleeve, and a connecting line between the front end of the vehicle body and the rear end of the vehicle body is parallel to a central shaft of the connecting shaft.

The utility model discloses well connecting axle, connecting shaft fork are the connecting piece between sleeve and the automobile body, and the sleeve suit is on the connecting axle, and when the ball seat was rotatory round the steel ball, the rotary motion of equidirectional can be done round the connecting axle to the sleeve, has realized the synchronous motion of balanced rotating device and steel ball, ball seat, convenient to use, and the installation cost is low.

The wheel and the brake bottom plate that matches with the wheel are all installed to the both sides of connecting seat, and the wheel hub and the brake bottom plate suit of wheel are on the wheel spindle sleeve pipe. The connecting seat connects and fixes the wheel axle sleeve and the suspension to form a whole, plays effective support for the wheel and the suspension, can keep the weight balance of the wheels on two sides, and fixes the wheel tread of the automobile wheel.

And a shaft fork between the cross shaft and the wheel shaft sleeve is fixedly connected with the wheel shaft sleeve through a locking screw. The locking screw is convenient to use and fast to disassemble and assemble.

A hub bearing is arranged between the hub of the wheel and the hub sleeve, the hub bearing is sleeved on the hub sleeve, and the hub bearing of the wheel are fixed through a hub locking nut.

The ball seat is made of elastic material. The ball seat is made of elastic materials, has long service life and can be in interference fit with the steel ball.

The gravity center control rod is internally provided with a coaxial elastic element, the upper end of the elastic element is connected with the vehicle body, the gravity center control rod is connected with the vehicle body through the elastic element, the steel ball is connected with the lower end of the elastic element, and the steel ball is connected with the gravity center control rod through the elastic element. The elastic element arranged in the gravity center control rod is mainly used for enabling a steel ball on the control rod and a ball seat on the transverse stabilizer rod to be tightly attached, and meanwhile, the elastic element can be matched with a vehicle to stretch and contract simultaneously when the stretching and contraction quantity of the suspension changes in no-load and heavy-load conditions, so that the phenomenon that the whole balance control mechanism is damaged due to elastic deformation generated by the suspension is avoided.

The elastic element is a spring. The spring is convenient to use.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model discloses a focus control lever, steel ball, stabilizer bar, ball seat, suspension, balanced rotating device play effectual support and the balanced regulation of horizontal focus to the automobile body among the balance formula focus control device for vehicle, have still alleviateed automobile body rocking and tire wearing and tearing effectively, have prevented that the vehicle direction is out of control and turn on one's side, have strengthened the security of vehicle and the travelling comfort that the passenger took advantage of the seat, have solved the problem that the car appears the condition such as whipping easily, turn on one's side;

2. the balance type gravity center control device for the vehicle cuts off the transverse force transmission between the wheels at two sides, adapts to the maximum attaching degree between the wheels and the road surface when each supporting point of the vehicle body meets the fluctuation change of the levelness of the road surface through the up-and-down motion of the cross axle under the condition of keeping the wheel track unchanged so as to ensure the direction and the brake effectiveness;

3. the utility model is used for balance formula focus control device long service life of vehicle can supply the long-time use of car.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

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

FIG. 2 is a schematic view of the internal installation structure of the center of gravity control rod of the present invention;

fig. 3 is a schematic structural view of the balance rotating device of the present invention.

Reference numbers and corresponding part names in the drawings:

1-gravity center control rod, 2-steel ball, 3-transverse stabilizer bar, 4-ball seat, 5-cross axle, 6-axle sleeve, 7-connecting seat, 8-suspension, 9-balance rotating device, 10-axle fork, 11-connecting axle, 12-sleeve, 13-connecting axle fork, 14-wheel, 15-brake bottom plate and 16-elastic element.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1

As shown in figures 1-3, the balance type gravity center control device for vehicle of the present invention comprises a vertically disposed telescopic gravity center control rod 1, the upper end of the gravity center control rod 1 is connected with the vehicle body, the gravity center control rod 1 is located on the bisector of the total transverse width of the vehicle body, the lower end of the gravity center control rod 1 is connected with a steel ball 2, a horizontally disposed stabilizer bar 3 is arranged below the steel ball 2, the stabilizer bar 3 is provided with a ball seat 4 for the steel ball 2 to insert, the steel ball 2 is in interference fit with the ball seat 4, both ends of the stabilizer bar 3 are connected with cross shafts 5, the cross shafts 5 at both ends of the stabilizer bar 3 are connected with wheel axle sleeves 6, the wheel axle sleeves 6 are provided with connecting seats 7, the connecting seats 7 are located at the central parts of the wheel axle sleeves 6, a vertically disposed suspension 8 is connected above the connecting seats 7, the lower ends of the, the upper end of the suspension 8 is connected with a balance rotating device 9, the balance rotating device 9 is connected with a vehicle body, and the cross shaft 5 is connected with the wheel shaft sleeve 6 through a shaft fork 10. The balance rotating device 9 comprises a connecting shaft 11 and a sleeve 12 which are coaxial, the sleeve 12 is sleeved outside the connecting shaft 11 and is rotatably connected with the connecting shaft 11, two ends of the connecting shaft 11 are connected with a vehicle body through a connecting shaft fork 13, the upper end of the suspension 8 is connected with the sleeve 12, and a connecting line between the front end and the rear end of the vehicle body is parallel to a central shaft of the connecting shaft 11. The two sides of the connecting seat 7 are respectively provided with a wheel 14 and a brake bottom plate 15 matched with the wheel 14, and the hub of the wheel 14 and the brake bottom plate 15 are sleeved on the axle sleeve 6. And a shaft fork 10 between the cross shaft 5 and the wheel shaft sleeve 6 is fixedly connected with the wheel shaft sleeve 6 through a locking screw. A hub bearing is arranged between the hub of the wheel 14 and the hub sleeve 6, the hub bearing is sleeved on the hub sleeve 6, and the hub of the wheel 14 and the hub bearing are fixed through a hub locking nut. The ball seat 4 is made of elastic material.

The utility model connects the wheels at two sides of the vehicle body through the transverse stabilizer bar and the cross axle, and is different from the mode of connecting the wheels through the rigid axle in the prior art, the utility model cuts off the transverse force transmission between the wheels at two sides, and adapts to each supporting point of the vehicle body through the up-and-down movement of the cross axle under the condition of keeping the wheel track unchanged, and when encountering the fluctuation change of the levelness of the road surface, the utility model automatically adjusts the wheel to reach the maximum attaching degree with the road surface so as to ensure the validity of direction and brake; the utility model discloses well focus control lever, the steel ball, the stabilizer bar, the ball seat, the suspension, the combination of balanced rotating device has formed the structure of balance formula, the focus control lever is connected with the steel ball and is formed a whole, after the steel ball inserts the ball seat, the focus control lever has played spacing effect to the stabilizer bar and the wheel of stabilizer bar both sides, under the effect of automobile body gravity, the focus control lever pushes down the stabilizer bar from the central part of stabilizer bar, when the atress is unbalanced to the vehicle appears, the wheel of stabilizer bar both sides can not appear tilting by a wide margin, can prevent effectively that the vehicle from turning on one's side; the transverse stabilizer bar and the cross shafts at the two ends of the transverse stabilizer bar replace rigid axles in the prior art, the transverse force transmission between the wheels at the two sides of the vehicle body is cut off, even if the wheel at one side is reduced, the wheel at the other side cannot be greatly tilted, and the wheel and the ground reach the maximum degree of cutting; the utility model discloses well balanced rotating device and focus control pole, the steel ball, the ball seat has played the linkage effect, when meeting with road surface levelness fluctuation change, the ball seat can be clockwise round the center of steel ball, anticlockwise rotation in turn, balanced rotating device rotates with the ball seat is synchronous, balanced rotating device is clockwise round the automobile body, anticlockwise rotation in turn, the steel ball has played limiting displacement to ball seat and balanced rotating device, restriction turned angle, can not do 360 rotations, furthermore, the steel ball, balanced rotating device's spacing effect in coordination, the preceding power of contusing when the brake, the extension and the shrink of the back power of contusing and suspension that produce when the vehicle starting and the complicated power such as wheel irregular motion curve that leads to wheel lateral shifting and produce have played the control action. The utility model discloses in, when the vehicle because the transform direction produces centrifugal force, through balanced rotating device 9, cross 5, ball seat 4 rotates around the relevance of steel ball 2, let the focus move down by oneself when cutting off left and right sides horizontal biography power, arbitrary one side wheel all can not let the opposite side wheel leave the road surface as the support of opposite side, consequently certain one side wheel upwarps and leads to the serious consequence that the vehicle turned on one's side can not appear, simultaneously because balance formula focus balancing unit self possesses the balanced function of automatically regulated automobile body focus, both sides wheel all the time with the tight post in road surface in making the driving, make automobile body focus and road surface levelness remain relative balance throughout, the emergence of the accident of turning on one's side of vehicle has effectively been prevented.

Example 2

Based on embodiment 1, a coaxial elastic element 16 is installed inside the gravity center control rod 1, the upper end of the elastic element 16 is connected with the vehicle body, the gravity center control rod 1 is connected with the vehicle body through the elastic element 16, the steel ball 2 is connected with the lower end of the elastic element 16, and the steel ball 2 is connected with the gravity center control rod 1 through the elastic element 16. The elastic element 16 is a spring.

The elastic element arranged in the gravity center control rod is mainly used for enabling a steel ball on the control rod and a ball seat on the transverse stabilizer rod to be tightly attached, and meanwhile, the elastic element can be matched with a vehicle to stretch and contract simultaneously when the stretching and contraction quantity of the suspension changes in no-load and heavy-load conditions, so that the elastic deformation generated by the suspension is prevented from damaging the whole balance control mechanism.

Example 3

Based on the embodiment 1-2, taking a truck as an example, when goods in a truck compartment are unevenly distributed, a truck body inclines to a heavy side, the balance of the truck body cannot be adjusted by the conventional truck chassis, the truck body is easy to turn over to the heavy side, and a light side tilts upwards; when freight train automobile body gravity distributes unevenly, because the utility model provides a stabilizer bar has been pushed down downwards to the focus control lever, the wheel and the ground of stabilizer bar both sides are pasted tightly, the suspension of being connected with the wheel connecting seat can drop-down automobile body, keep the balance of automobile body, under the rotation of steel ball and ball seat and balanced rotating device's rotation, the automobile body can be in the same direction as heavy object place one side and take place slight slope, nevertheless can not cause the vehicle to turn on one's side, the rotation of steel ball and ball seat and balanced rotating device's rotation have played the cushioning effect, avoid appearing each connection structure and appear handling the uneven and cracked condition.

Example 4

Based on the embodiment 1-2, for any vehicle, when the vehicle runs on an uneven road, if the vehicle encounters a pit, the wheel on one side of the pit will sink, in the prior art, because the suspensions on the two sides and the vehicle body are rigidly connected, the axles between the wheels on the left side and the right side are also rigidly connected, the connection mode forms a left-right transverse force transmission relationship of the vehicle, and the wheel on the other side can tilt upwards to cause the vehicle to roll over; the utility model discloses well stabilizer bar passes through cross and wheel connection, has cut off the horizontal biography power between the wheel of both sides, and when the wheel of one side sinks, the wheel of opposite side is under the effect that the focus control pole pushed down, and the perk that makes progress by a wide margin can not, and the wheel pastes tightly with ground, and automobile body keep balance has effectively prevented the car and has turned over.

Example 5

Based on the embodiment 1-2, taking the left turning of the vehicle as an example, when the vehicle turns left, a centrifugal force is generated to the right, the tail part of the vehicle is thrown out to the right, the gravity center of the vehicle can shift to the right side of the vehicle under the action of the centrifugal force, at the moment, the load bearing on the left side of the vehicle is smaller than the load bearing on the right side of the vehicle, and the left side of the vehicle tilts upwards due to the rigid force transmission between the wheels on the two sides of the vehicle, so that the vehicle turns; the utility model discloses afterwards, when the vehicle received and turned to centrifugal force, through balanced rotating device, the cross axle, the ball seat rotates around the relevance of steel ball, it moves down by oneself to let the focus when transversely passing power about cutting off, can not skew by a wide margin right, arbitrary one side wheel all can not let the opposite side wheel leave the road surface as the support of opposite side, consequently certain one side wheel upwarps and leads to the serious consequence that the vehicle turned on one's side can not appear, simultaneously because balance formula focus balancing unit self possesses the balanced function of automatically regulated automobile body focus, make in the driving both sides wheel closely attached with the road surface all the time, make automobile body focus and road surface levelness remain relative balance throughout, the emergence of the accident of turning on one's side of vehicle has effectively.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A balance formula focus controlling means for vehicle, characterized in that, including the telescopic focus control lever (1) of vertical placement, the upper end and the automobile body of focus control lever (1) are connected, focus control lever (1) is located the bisector of the horizontal total width of automobile body, the lower extreme of focus control lever (1) is connected with steel ball (2), steel ball (2) below is provided with horizontal stabilizer bar (3) of horizontal placement, be provided with ball seat (4) that supply steel ball (2) to insert on horizontal stabilizer bar (3), steel ball (2) and ball seat (4) interference fit, the both ends of horizontal stabilizer bar (3) all are connected with cross axle (5), cross axle (5) at both ends of horizontal stabilizer bar (3) all are connected with wheel axle sleeve pipe (6), install connecting seat (7) on wheel axle sleeve pipe (6), connecting seat (7) are located the central part of wheel axle sleeve pipe (6), the suspension (8) that vertically places is connected with connecting seat (7) top, and the lower extreme and the connecting seat (7) of suspension (8) are connected fixedly, and the upper end of suspension (8) is connected with balanced rotating device (9), and balanced rotating device (9) and automobile body are connected, and cross axle (5) are connected through yoke (10) with wheel axle sleeve (6).

2. The balance type gravity center control device for the vehicle according to claim 1, wherein the balance rotating device (9) comprises a connecting shaft (11) and a sleeve (12) which are coaxial, the sleeve (12) is sleeved outside the connecting shaft (11) and is rotatably connected with the connecting shaft (11), two ends of the connecting shaft (11) are connected with the vehicle body through a connecting shaft fork (13), the upper end of the suspension (8) is connected with the sleeve (12), and a connecting line of the front end and the rear end of the vehicle body is parallel to a central shaft of the connecting shaft (11).

3. The balance type gravity center control device for the vehicle according to claim 1, wherein both sides of the connecting base (7) are provided with a wheel (14) and a brake bottom plate (15) matched with the wheel (14), and a hub of the wheel (14) and the brake bottom plate (15) are sleeved on the axle sleeve (6).

4. The balance type center of gravity control device for a vehicle according to claim 1, wherein a yoke (10) between the cross shaft (5) and the axle sleeve (6) is fixed to the axle sleeve (6) by a lock screw connection.

5. The balance type gravity center control device for a vehicle according to claim 3, wherein a hub bearing is installed between the hub of the wheel (14) and the axle sleeve (6), the hub bearing is fitted over the axle sleeve (6), and the hub of the wheel (14) and the hub bearing are fixed by a hub lock nut.

6. The balance type gravity center control apparatus for a vehicle according to claim 1, wherein the ball seat (4) is made of an elastic material.

7. The balance type center of gravity control device for a vehicle according to claim 1, wherein a coaxial elastic member (16) is installed inside the center of gravity control lever (1), an upper end of the elastic member (16) is connected with the vehicle body, the center of gravity control lever (1) is connected with the vehicle body through the elastic member (16), the steel ball (2) is connected with a lower end of the elastic member (16), and the steel ball (2) is connected with the center of gravity control lever (1) through the elastic member (16).

8. The balance type center of gravity control device for a vehicle according to claim 7, wherein the elastic member (16) is a spring.