CN107899252A - Four motorized wheels car - Google Patents

Abstract

The present invention provides a kind of four motorized wheels car, including chassis and two pairs of electric wheels, a pair of of electric wheel is respectively arranged in the both sides of chassis front end, another pair electric wheel is respectively arranged in the both sides of the extreme end of chassis, the steering rudder for driving each electric wheel to turn to respectively is also equipped with chassis, each electric wheel includes wheel and driving motor, and driving motor is articulated with chassis.Four motorized wheels car provided by the invention uses four electric wheels, each electric wheel uses driving motor and wheel, vehicle wheel rotation is driven by driving motor, and motor is respectively driven to be installed on chassis, so as to reduce the center of gravity of the four motorized wheels car, ensure more steady when driving, raising climbing performance；And each wheel is directly connected with driving motor, transmission system is saved so that vehicle structure is more simple, and cost is greatly reduced；And controlled by the rotating speed of each driving motor, differential can be formed, easy to course changing control, while radius of turn can be reduced.

Description

four-wheel drive vehicle

technical field

The invention belongs to the field of toys, and more specifically relates to a four-wheel independently driven vehicle.

Background technique

The current four-drive electric toy car generally drives the front two wheels through one motor, and uses another electric motor to drive the rear two wheels. The motor of this toy car is supported on the chassis, and the two electric powers are delivered to the two front wheels and the two rear wheels respectively by using a complicated transmission mechanism, and the center of gravity of this toy car is relatively high, and it is easy to be unstable when driving.

Contents of the invention

The object of the present invention is to provide a four-wheel independent drive vehicle to solve the problems of complex structure and high center of gravity of the four-wheel drive toy vehicle in the prior art.

In order to achieve the above object, the technical solution adopted by the present invention is to provide a four-wheel independent drive vehicle, which includes a chassis and two pairs of electric wheels. A pair of electric wheels are respectively installed on both sides of the front end of the chassis. A pair of electric wheels are installed on both sides of the rear end of the chassis respectively, steering rudders for respectively driving the steering of each electric wheel are installed on the chassis, and each electric wheel includes a wheel and a drive for driving the wheel. A motor, the driving motor is hinged on the chassis, and the main shaft of the driving motor is connected with the wheels.

Further, the chassis is hinged with supporting bases respectively supporting the driving motors, and each supporting base is equipped with a pull rod for connecting the steering rudder.

Further, the support base includes a support plate connected to the drive motor, a support frame fitted on the drive motor is fixed on one side of the support plate, and a support frame for the drive motor is opened on the support plate. The main shaft passes through the through hole, the pull rod is fixed on the side of the support frame, and the upper and lower ends of the support frame are respectively hinged with the chassis.

Further, the chassis includes two sets of suspension frames respectively supporting two pairs of the electric wheels and a support beam connecting the two sets of suspension frames.

Further, each set of suspension frames includes a support block connected to the support beam and two sets of swing frames respectively supporting the driving motors, and the two sets of swing frames are respectively pivotally connected to both sides of the support block .

Further, each set of swing frames includes an upper bracket pivotally connected to the upper end of the corresponding side of the support block and a lower bracket pivotally connected to the lower end of the corresponding side of the support block, and the end of the upper bracket far away from the support block is connected to The upper side of the driving motor is pivotally connected, and the end of the lower bracket away from the support block is pivotally connected to the lower side of the driving motor.

Further, each set of the suspension frame also includes a shock absorber respectively used for shock-absorbing each set of the swing frame, the lower end of each shock absorber is hinged to the corresponding swing frame, each of the shock absorbers The upper end of the device is supported on the support block.

Further, a positioning plate is installed on each support block, and the upper end of each shock absorber is hinged to the positioning plate.

Further, the steering rudders are two sets that respectively drive two pairs of the electric wheels to turn, and each set of the steering rudders includes two pull rods that respectively pull the corresponding two drive motors to steer, and drive the two pull rods to swing left and right. frame and a steering motor that drives the bogie to rotate, the middle part of the bogie is pivotally connected to the chassis, and the two ends of the bogie are respectively hinged to the two tie rods.

Further, each steering motor is installed in the middle of the chassis; each set of steering rudders also includes a connecting rod that pulls the bogie to rotate and a crank that drives the connecting rod to swing back and forth, and the crank is installed on Corresponding to the steering motor, the two ends of the connecting rod are hinged to the bogie and the crank respectively.

The beneficial effects of the four-wheel independently driven vehicle provided by the invention are: compared with the prior art, the present invention adopts four electric wheels, and each electric wheel uses a drive motor and a wheel to drive the wheel to rotate through the drive motor, and each drive motor Installed on the chassis, so that the center of gravity of the four-wheel independent drive vehicle can be lowered to ensure more stable driving and improve climbing performance; and each wheel is directly connected to the drive motor, saving the transmission system and making the vehicle structure simpler. The cost is greatly reduced; and through the speed control of each driving motor, a differential speed can be formed, which is convenient for steering control and can reduce the turning radius at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without paying creative efforts.

Fig. 1 is a schematic diagram of the internal structure of a four-wheel independent drive vehicle provided by an embodiment of the present invention;

Fig. 2 is the internal structural schematic diagram II of the four-wheel independent drive vehicle provided by the embodiment of the present invention;

Fig. 3 is a structural schematic diagram one of the chassis part in the four-wheel independent drive vehicle of Fig. 2;

Fig. 4 is the structure schematic diagram two of the chassis part in the four-wheel independent drive vehicle of Fig. 3;

Fig. 5 is a structural schematic diagram 1 in which the steering rudder is installed on the chassis in Fig. 2;

Fig. 6 is a structural schematic diagram 2 in which the steering rudder is installed on the chassis in Fig. 2;

The structural representation of the electric wheel in Fig. 7 Fig. 2;

Fig. 8 is a schematic diagram of an exploded structure of the electric wheel of Fig. 2;

FIG. 9 is a second schematic diagram of the exploded structure of the electric wheel in FIG. 2 .

Among them, the main marks of each accompanying drawing in the figure are:

100-four-wheel independent drive vehicle; 10-electric wheel; 11-drive motor; 111-main shaft; 112-first pin hole; 12-axle sleeve; 121-second pin hole; 13-connecting nut; 131-third Pin hole; 20-wheel; 21-rim; 211-retaining ring; 212-locating shaft; 213-threaded hole; 22-tyre; 23-core ring; 231-locating groove; 24-rim; 40-chassis; 41-support beam; 50-support seat; 51-support plate; 511-through hole; 52-support frame; 53-pull rod; 54-first ball joint seat; 55-second ball joint seat; ;61-support block; 611-support plate; 612-connecting block; 63-shock absorber; 64-positioning plate; 641-second ball hinge seat; 70-swing frame; 712-the first ball hinge seat; 72-upper bracket; 721-avoidance groove; 80-steering rudder; 81-steering motor; 82-crank; 83-connecting rod; 831-first connecting sleeve; 84-bogie; - steering sleeve; 842 - push rod; 843 - push handle; 845 - support shaft; 85 - pull rod; 851 - second connecting sleeve.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal" etc. are based on the drawings. The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the scope of the present invention. limit.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

Please refer to FIG. 1 to FIG. 9 together, and now the four-wheel independent drive vehicle 100 provided by the present invention will be described. The four-wheel independently driven vehicle 100 includes a chassis 40 and two pairs of electric wheels 10, and the chassis 40 is used as an installation support; among the two pairs of electric wheels 10, one pair is two front wheels, and the other pair is two rear wheels; and one A pair of electric wheels 10 are respectively mounted on both sides of the front end of the chassis 40 , and another pair of electric wheels 10 are respectively mounted on both sides of the rear end of the chassis 40 . A steering rudder 80 is also installed on the chassis 40 for respectively driving the electric wheels 10 to steer, thereby steering the four-wheel independently driven vehicle 100 . Each electric wheel 10 includes a wheel 20 and a drive motor 11, and the main shaft 111 of the drive motor 11 is connected to the wheel 20, thereby driving the wheel 20 to rotate through the drive motor 11, while supporting the wheel 20 through the drive motor 11, and the drive motor 11 is hinged on the chassis 40 , so that the wheels 20 are installed on the chassis 40 .

The four-wheel independently driven vehicle 100 provided by the present invention, compared with the prior art, the four-wheel independently driven vehicle 100 of the present invention adopts four electric wheels 10, and each electric wheel 10 uses a driving motor 11 and a wheel 20, and the driving motor 11 to drive the wheels 20 to rotate, and each drive motor 11 is installed on the chassis 40, thereby reducing the center of gravity of the four-wheel independent drive vehicle 100, ensuring more stable driving and improving climbing performance; and each wheel 20 is directly connected to the drive motor 11 are connected, saving the transmission system, making the vehicle structure simpler and greatly reducing the cost; and through the speed control of each drive motor 11, a differential speed can be formed, which is convenient for steering control and can reduce the turning radius at the same time.

Further, please refer to FIGS. 1 to 4 together. As a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the chassis 40 is hinged with supporting bases 50 that respectively support the driving motors 11. Each supporting base The pull bar 53 that is used to connect steering rudder 80 is installed on 50. The support base 50 is set, the driving motor 11 can be installed on the chassis 40 conveniently, and the driving motor 11 can be rotated on the chassis 40 conveniently at the same time, and then each wheel 20 can be rotated to realize the steering of the four-wheel independently driven vehicle 100.

Further, please refer to FIGS. 1 to 4 together. As a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the support seat 50 includes a support plate 51 and a support frame 52, and the support frame 52 is fixed on the support plate. 51, and the support frame 52 fits on the drive motor 11, and the support plate 51 is connected with the drive motor 11, and the support plate 51 is provided with a through hole 511, and the main shaft 111 of the drive motor 11 passes through the through hole 511 , so as to be connected with the wheel 20; the pull rod 53 is fixed on the side of the support frame 52, and the upper and lower ends of the support frame 52 are respectively hinged with the chassis 40. By setting the support plate 51 and the support frame 52, the driving motor 11 can be stably supported by the support plate 51 and the support frame 52; in addition, the support frame 52 can also be conveniently hinged to the support seat 50 on the chassis 40, and then The drive motor 11 is articulated on the chassis 40 to realize the articulated connection between the electric wheel 10 and the chassis 40 . The pull rod 53 is arranged on the side of the support frame 52, which can be connected with the steering rudder 80 conveniently. Of course, in other embodiments, the support seat 50 may also be of other structures, such as a structure in which only the support plate 51 is provided or a structure in which only the support frame 52 is provided.

Further, in this embodiment, the support plate 51 and the support frame 52 may be integrally formed, so as to increase the connection strength between the support plate 51 and the support frame 52 and strengthen the strength of the support seat 50 at the same time. In the same way, further, the pulling rod 53 and the supporting frame 52 are integrally formed to increase the connection strength between the pulling rod 53 and the supporting frame 52 .

Further, please refer to Fig. 1 to Fig. 4 together. As a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the upper and lower ends of the support frame 52 are respectively equipped with first spherical joint seats 54 to facilitate The support base 50 is installed on the chassis 40 ; meanwhile, it is convenient for the support base 50 to rotate relative to the chassis 40 .

Further, please refer to FIGS. 1 to 4 together. As a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, a second ball joint seat 55 is installed on the pull rod 53 so as to be connected with the steering rudder 80 , and facilitate the steering rudder 80 to drive the support seat 50 to rotate, and then drive the wheels 20 to turn.

Furthermore, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the shaft sleeve 12 is installed on the main shaft 111 of the drive motor 11 . The bushing 12 is provided to facilitate the connection with the wheel 20 , facilitate the tight fit between the main shaft 111 and the wheel 20 , increase the strength of the main shaft 111 , and also reduce the wear of the main shaft 111 .

Furthermore, the main shaft 111 is provided with a first pin hole 112 , and the sleeve 12 is provided with a second pin hole 121 at a position corresponding to the first pin hole 112 , so as to fix the sleeve 12 on the main shaft 111 with a pin shaft.

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, each electric wheel 10 also includes a connecting nut 13 , which is sleeved on the main shaft 111 so as to fix the main shaft 111 and the wheel 20 . Specifically, in this embodiment, the connecting nut 13 is sleeved on the shaft sleeve 12 . In other embodiments, the connecting nut 13 may also be directly sleeved on the main shaft 111 .

Furthermore, as a specific implementation of the four-wheel independent drive vehicle 100 provided by the present invention, a third pin hole 131 is provided on the connecting nut 13 corresponding to the first pin hole 112 on the main shaft 111, so that the pin can be used The shaft fixedly connects the main shaft 111 with the connecting nut 13 .

Furthermore, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the wheel 20 includes a tire 22 and a rim 21 , and the rim 21 is connected to the main shaft 111 of the driving motor 11 . The tire 22 is installed on the rim 21 , and the rim 21 is connected with the main shaft 111 , and then the tire 22 is connected with the main shaft 111 .

Further, as a specific implementation of the four-wheel independent drive vehicle 100 provided by the present invention, the center of the rim 21 is provided with a threaded hole 213, so that the connecting nut 13 is installed in the threaded hole 213, so that the main shaft 111 and the rim 21 connected.

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the wheel 20 also includes a tire core ring 23 filled in the tire 22 , and the tire core ring 23 fits on the rim 21 . The core ring 23 is provided to support the tire 22 conveniently, and the tire core ring 23 is set on the rim 21 , so that the tire 22 can be installed on the rim 21 conveniently. This structure can also facilitate the manufacture of the wheel rim 21; at the same time, this structure can also improve the strength of the wheel 20, and can also increase the service life of the tire 22, avoiding maintenance and avoiding inflation.

Furthermore, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, one side of the rim 21 is provided with a retaining ring 211 protruding outward along the radial direction of the rim 21, so as to install and fix the tire core ring 23 , play a blocking role to prevent the tire core ring 23 and the tire 22 from coming off.

Further, as a specific implementation of the four-wheel independent drive vehicle 100 provided by the present invention, a number of positioning shafts 212 protrude from the stop ring 211 toward the other side of the rim 21, and the corresponding sides of the tire core ring 23 are provided with There are positioning grooves 231 , when the tire core ring 23 is installed on the rim 21 , the positioning shaft 212 can be inserted into the corresponding positioning groove 231 so as to position the tire core ring 23 .

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the wheel 20 also includes a rim 24 supporting the tire 22 . The rim 24 is provided to increase the strength of the wheel 20 and better support the tire 22 .

Further, referring to Fig. 1 to Fig. 4, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the chassis 40 includes two sets of suspension frames 60 and support beams 41; the two sets of suspension frames 60 are respectively installed on Both ends of the support beam 41 support two sets of suspension frames 60 through the support beam 41, and each set of suspension frames 60 supports a pair of electric wheels 10 respectively, and the two sets of suspension frames 60 support two pairs of electric wheels 10 respectively. The chassis 40 of this structure is simple in structure and can conveniently support two pairs of electric wheels 10 at the same time; and the suspension frame 60 is used to support the electric wheels 10. The ride is smoother. Specifically, both ends of each set of suspension frames 60 are respectively connected to the driving motors 11 of the corresponding electric wheels 10 .

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, each set of suspension frames 60 includes a support block 61 and two sets of swing frames 70, and the two sets of swing frames 70 are pivotally connected to the ends of the support blocks 61, respectively. On both sides, each swing frame 70 is connected to the corresponding drive motor 11 , and then supports the corresponding electric wheel 10 , while the support block 61 is connected to the support beam 41 . The swing frame 70 is pivotally connected to the corresponding side of the support block 61 , so that the swing frame 70 can swing up and down on the side of the support block 61 to a certain extent.

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, each set of swing frames 70 includes an upper bracket 72 and a lower bracket 71, the upper bracket 72 is pivotally connected to the upper end of the corresponding side of the support block 61, and the lower bracket 71 is pivotally connected to the lower end of the corresponding side of the support block 61, thereby pivotally connecting the swing frame 70 to the corresponding side of the support block 61; the end of the upper bracket 72 away from the support block 61 is pivotally connected to the upper side of the drive motor 11, and the lower bracket 71 is away from the support One end of the block 61 is pivotally connected to the lower side of the driving motor 11 . This structure uses the upper bracket 72 and the lower bracket 71 to form the swing frame 70, which can ensure the good strength of the swing frame 70 to stably support the corresponding electric wheel 10; and this structure can limit the swinging range of the swing frame 70 to ensure The stability of the chassis 40.

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, each set of suspension frames 60 also includes shock absorbers 63 respectively used for shock absorption of each set of swing frames 70, each shock absorber The lower ends of the shock absorbers 63 are hinged to the corresponding swing frames 70 , and the upper ends of each shock absorber 63 are supported on the supporting blocks 61 . The shock absorber 63 is provided, and when the swing frame 70 swings on the side of the support block 61 , it can play a buffering role, and the shock absorber 63 can also cooperate with the support block 61 to support the swing frame 70 .

Furthermore, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, each supporting block 61 is equipped with a positioning plate 64 , and the upper end of each shock absorber 63 is hinged to the positioning plate 64 . A positioning plate 64 is provided to facilitate installation and support of each shock absorber 63 . Further, the lower end of the shock absorber 63 is hingedly connected with the lower bracket 71, so as to install the shock absorber 63, and at the same time, the shock absorber 63 can better play a role of shock absorption and buffering.

Further, one side of the lower bracket 71 is provided with a connecting shaft 711 on which a first ball hinge seat 712 is installed, and the lower end of the shock absorber 63 is connected with the first ball hinge seat 712 . This structure can facilitate the connection between the shock absorber 63 and the lower bracket 71 . Furthermore, a second ball hinge seat 641 is installed on the positioning plate 64 corresponding to the position of the shock absorber 63 , and the upper end of the shock absorber 63 is connected to the second ball hinge seat 641 . This structure can make the shock absorber 63 have more degrees of freedom, so as to better play a buffering role.

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, each support block 61 includes two support plates 611 arranged side by side and a connection block 612 connecting the middle parts of the two support plates 611, so that the support block 61 The cross-section in the horizontal direction is "I"-shaped, and the upper ends on one side of the two support plates 611 are pivotally connected to the corresponding upper bracket 72 , and the corresponding ends of the upper support 72 are placed between the two support plates 611 . Similarly, the lower ends of one side of the two support plates 611 are pivotally connected to the corresponding lower bracket 71 , and the corresponding end of the lower support 71 is placed between the two support plates 611 . This structure can facilitate the pivotal connection of the upper bracket 72 and the lower bracket 71 with the support block 61 .

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, each upper bracket 72 is provided with an avoidance groove 721 corresponding to the position of the shock absorber 63, so as to facilitate the installation of the shock absorber 63, and at the same time, it can The volume of the chassis 40 is reduced.

Further, referring to Fig. 1, Fig. 5 and Fig. 6, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the steering rudder 80 is two sets that respectively drive two pairs of electric wheels 10 to turn, and each set The steering rudder 80 includes two pull rods 85, a bogie 84 and a steering motor 81. The middle part of the bogie 84 is pivotally connected to the chassis 40, and the two ends of the bogie 84 are hinged to the two pull rods 85 respectively. The two pull rods 85 are respectively hinged with the corresponding two drive motors 11, so that the steering motor 81 drives the bogie 84 to rotate, so as to drive the two pull rods 85 to swing left and right, and then pull the two drive motors 11 to turn, so that the electric wheels 10 can be rotated. turn. Using bogie 84 to drive two pull rods 85 to swing left and right can drive a pair of electric wheels 10 to synchronously turn to facilitate control. Specifically, each pull rod 85 is hingedly connected to the pull rod 53 on the support base 50 to realize connection with the corresponding driving motor 11 . In other embodiments, four steering motors may also be provided, and each steering motor drives each electric wheel 10 to steer, for example, a linear motor may respectively drive each electric wheel 10 to steer. In addition, two sets of steering rudders 80 respectively drive two pairs of electric wheels 10 to rotate, so that the steering system of the four-wheel independently driven vehicle 100 can realize front and rear wheel steering switching, and of course four-wheel steering can also be realized simultaneously.

Further, referring to Fig. 1, Fig. 5 and Fig. 6, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, each steering motor 81 is installed in the middle position of the chassis 40; each set of steering rudders 80 also It includes a connecting rod 83 and a crank 82, the crank 82 is installed on the corresponding steering motor 81, and the two ends of the connecting rod 83 are respectively hinged with the bogie 84 and the crank 82. The steering motor 81 drives the crank 82 to rotate to drive the connecting rod 83 to swing, and then drives the bogie 84 to rotate, and pulls the two pull rods 85 to swing left and right. This structure can facilitate the installation of the steering motor 81, and at the same time, the center of gravity of the chassis 40 is concentrated in the middle, making the chassis 40 more stable.

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, the bogie 84 includes a steering sleeve 841 and two push rods 842 installed on opposite sides of the steering sleeve 841, and the two push rods 842 are respectively It is hinged with two pull rods 85 , and the steering sleeve 841 is pivoted on the chassis 40 . This structure can facilitate the pivotal connection of the bogie frame 84 to the chassis 40 . Specifically, a support shaft 845 may be installed on the chassis 40 , and a steering sleeve 841 may be sleeved on the support shaft 845 , so that the bogie frame 84 is pivotally connected to the chassis 40 . Furthermore, the support shaft 845 is mounted on the support block 61 to pivotally connect the truck 84 to the support block 61 . More specifically, the support shaft 845 is installed on the connection block 612 of the support block 61 so that the weight of both sides of the chassis 40 is balanced. Furthermore, the side on the steering sleeve 841 is provided with a push handle 843, and the push handle 843 is located between two push rods 842; the push handle 843 is hinged with the corresponding connecting rod 83, and the push handle 843 is pulled by the connecting rod 83 to It is convenient to drive the steering sleeve 841 to rotate, and then drive the two push rods 842 to swing to drive the two pull rods 85 to swing left and right. In other embodiments, the bogie 84 can also use a T-shaped frame, and the opposite ends of the T-shaped frame are connected with two tie rods 85, and the independent end of the T-shaped frame is connected with the connecting rod 83, and the T-shaped frame is connected to each other. The positions where the three sections are connected are pivotally connected to the chassis 40 .

Furthermore, in this embodiment, the upper end of the support shaft 845 is connected to the middle of the positioning plate 64 , and the positioning plate 64 is supported by the support shaft 845 . This structure can install the layout shock absorber 63 more conveniently.

Further, as a specific embodiment of the four-wheel independent drive vehicle 100 provided by the present invention, first connecting sleeves 831 are respectively installed at both ends of each connecting rod 83, and each first connecting sleeve 831 is installed on the connecting rod through threaded connection. 83; the first connecting sleeve 831 at one end of the connecting rod 83 is hinged with the bogie 84, and the first connecting sleeve 831 at the other end of the connecting rod 83 is hinged with the crank 82. The first connecting sleeve 831 is provided to facilitate the adjustment of the length of the connecting rod 83 and to connect the two ends of the connecting rod 83 to the crank 82 and the bogie 84 respectively. Furthermore, the first connecting sleeve 831 at one end of the connecting rod 83 is hinged to the push handle 843 of the bogie 84 .

Further, as a specific implementation of the four-wheel independent drive vehicle 100 provided by the present invention, the two ends of each pull rod 85 are respectively installed with second connecting sleeves 851, and each second connecting sleeve 851 is installed on the pull rods 85 through threaded connection. The second connecting sleeve 851 at one end of the pull rod 85 is hinged with the bogie 84, and the second connecting sleeve 851 at the other end of the pull rod 85 is hinged with the drive motor 11. The second connecting sleeve 851 is provided to facilitate the adjustment of the length of the pull rod 85 and to connect the two ends of the pull rod 85 with the driving motor 11 and the bogie 84 respectively. Furthermore, the second connecting sleeve 851 at one end of the pull rod 85 is hinged to the push rod 842 of the bogie 84 . The second connecting sleeve 851 at the other end of the pull rod 85 is hinged to the support base 50 . More specifically, the second connecting sleeve 851 at the other end of the pull rod 85 is hinged to the pull rod 53 on the support base 50 .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (10)

1. Four-wheel independent drive vehicle, including a chassis, is characterized in that: it also includes two pairs of electric wheels, a pair of electric wheels are respectively installed on both sides of the front end of the chassis, and the other pair of electric wheels are respectively installed on the front end of the chassis. On both sides of the rear end of the chassis, steering rudders are installed on the chassis to respectively drive the steering of each of the electric wheels. Each of the electric wheels includes a wheel and a drive motor for driving the wheel, and the drive motor is hinged to on the chassis, and the main shaft of the drive motor is connected with the wheels. 2. The four-wheel independent drive vehicle as claimed in claim 1, characterized in that: said chassis is hinged with supporting bases respectively supporting said driving motors, each said supporting base is equipped with a steering wheel for connecting said steering rudder. pull lever. 3. The four-wheel independent drive vehicle according to claim 2, characterized in that: the support seat includes a support plate connected to the drive motor, one side of the support plate is fixed with a matching sleeve on the drive motor a support frame, the support plate is provided with a through hole for the main shaft of the drive motor to pass through, the pull rod is fixed on the side of the support frame, the upper and lower ends of the support frame are respectively connected to the Chassis hinged. 4. The four-wheel independent drive vehicle according to any one of claims 1-3, characterized in that: the chassis includes two sets of suspension frames respectively supporting two pairs of the electric wheels and two sets of suspension frames connecting the two sets of suspension frames. Support beam. 5. The four-wheel independent drive vehicle as claimed in claim 4, wherein each set of said suspension frame comprises a support block connected to said support beam and two sets of swing frames respectively supporting each said drive motor, two The swing frame is respectively pivotally connected to two sides of the support block. 6. The four-wheel independent drive vehicle according to claim 5, wherein each set of said swing frame includes an upper bracket pivotally connected to the upper end of the corresponding side of the support block and pivotally connected to the lower end of the corresponding side of the support block The lower bracket, the end of the upper bracket away from the support block is pivotally connected to the upper side of the drive motor, and the end of the lower bracket away from the support block is pivotally connected to the lower side of the drive motor. 7. The four-wheel independent drive vehicle as claimed in claim 5, characterized in that: each set of said suspension frame also includes a shock absorber which is respectively used to damp each set of said swing frame, and each said shock absorber The lower end of each shock absorber is hinged to the corresponding swing frame, and the upper end of each shock absorber is supported on the support block. 8. The four-wheel independent drive vehicle according to claim 7, wherein a positioning plate is installed on each of the supporting blocks, and the upper end of each of the shock absorbers is hinged to the positioning plate. 9. The four-wheel independent drive vehicle according to any one of claims 1-3, characterized in that: the steering rudders are two sets that respectively drive two pairs of the electric wheels to turn, and each set of steering rudders includes Pull the two pull rods corresponding to the steering of the two driving motors, the bogie that drives the two pull rods to swing left and right, and the steering motor that drives the bogie to rotate. The middle part of the bogie is pivotally connected to the chassis, and the steering The two ends of the frame are respectively hinged with the two pull rods. 10. The four-wheel independent drive vehicle according to claim 9, characterized in that: each steering motor is installed in the middle of the chassis; each set of steering rudders also includes a connecting rod that pulls the bogie to rotate and a crank that drives the connecting rod to swing back and forth, the crank is mounted on the corresponding steering motor, and the two ends of the connecting rod are respectively hinged with the bogie and the crank.