Machine vehicle

Abstract

The utility model discloses a machine car, including roof, car body, the car body includes: control system, drive system and bottom frame, the control system includes: front axle unit, front wheel and steering control mechanism, the steering control mechanism includes: connecting rod, bolt, crank, universal hollow wheel disc and steering engine, and the steering engine drives crank, universal hollow wheel disc is equipped with universal hollow wheel disc. The driving system comprises a rear wheel, a planetary gear motor, a motor support and a battery, and the driving system provides power for driving the vehicle body to run through the planetary gear motor. The front axle unit is provided with the steering mechanism conforming to the Ackerman steering principle, steering force of the machine car is reduced, flexible turning can be achieved, good stability is kept, and abrasion of tires is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle engineering technical field, concretely is a front axle and steering structure for machine car. BACKGROUND

[0002] At present, with the development of mechanical, automation, computer technology, the application of intelligent machine car is more and more extensive, and the research and development of machine car technology at home and abroad are increasingly hot. The front axle not only bears the important role of supporting the vehicle body, but also is directly related to the steering performance and driving stability of the vehicle, and is the key component of machine car design. The traditional front axle design usually adopts fixed type or simple steering mechanism, and such design is simple in structure and low in cost, but is difficult to meet the requirements of high precision, rapid response and long service life under complex working conditions.

[0003] The prior art has the following problems:

[0004] The complex mechanical structure not only increases the manufacturing and maintenance cost, but also brings economic burden to the user, and the system flexibility is insufficient, which is difficult to adapt to the changeable working environment, limits the application range and efficiency of the machine car, and under heavy load or harsh environment, the existing design is difficult to maintain durability and stability, resulting in increased failure rate and maintenance frequency. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a front axle and steering structure for machine car, which solves the problems of complex mechanical structure, high cost, insufficient flexibility, narrow application range and poor durability and stability under heavy load or harsh environment of the existing front axle and steering structure.

[0006] To achieve the above object, the utility model provides the following technical scheme: a machine car, comprising a vehicle body, the vehicle body comprising: a control system, a driving system and a bottom frame, the control system comprising, a front axle unit, a front wheel, a steering control mechanism, the steering control mechanism is composed of connecting rod, bolt one, crank, universal hollow wheel disc, steering gear, the crank is driven by steering gear, and the universal hollow wheel disc is rotated to control the steering of the front wheel, so as to realize arbitrary radius steering, the driving system comprises rear wheels, planetary reduction motor, motor support, battery, the driving system provides the power for driving the vehicle body to run through double-channel direct-current encoding motor, the front wheel and the rear wheel are arranged at the opposite ends of the bottom frame, the front axle unit and the steering control mechanism are installed at one end close to the front wheel, and the double-channel direct-current encoding motor, motor support and battery are installed at one end close to the rear wheel.

[0007] Preferably, the vehicle body comprises a bottom plate, a mounting plate, a top plate and a first aluminum profile; the bottom of the vehicle body is connected by L-shaped corner connectors to form a window-shaped bottom frame, the bottom plate and the mounting plate are fixed to the bottom frame by screws, the bottom support is vertically provided with a first aluminum profile at four corners, and a cuboid support is formed by fixing the first aluminum profiles by T-shaped corner connectors; the cuboid support is connected by aluminum profiles and corner aluminum to form a window-shaped top frame, and the top frame is provided with a top plate above.

[0008] Preferably, the front axle unit is built by an aluminum profile front axle support, a universal hollow wheel disc is fixed below the front axle support, two seat bearings are fixed below the universal hollow wheel disc by four internal hexagonal screws, a T-shaped corner connector is fixed to the rear end of the seat bearings by two boat-shaped nuts, a connecting rod device is fixed to the middle of the seat bearings, an aluminum connecting rod is inserted into the center of the connecting rod device, a fixed shaft is installed at one end of the aluminum connecting rod, the fixed shaft is fixed by a screw, a universal hollow wheel disc is installed below the seat bearings, the universal hollow wheel disc is fixed at the bottom by internal hexagonal screws and two L-shaped corner connectors, the L-shaped corner connectors are fixed to a second aluminum profile, two corner aluminum profiles are fixed to the left side of the second aluminum profile, and the corner aluminum profiles are fixed to the front axle support.

[0009] Preferably, the upper wheel disc, the ball and the lower wheel disc are integrated structures.

[0010] Preferably, the steering control mechanism comprises a bolt, the bolt one and the bolt two are connected and fixed to the connecting rod, the bolt one is connected to one end of the connecting rod one, the connecting rod one is fixed by a nut at one end, the other end of the connecting rod one is fixed to one end of the crank by a bolt three, the other end of the crank is fixed to the steering gear wheel, and the steering gear is fixed to the crank by a bolt four.

[0011] Preferably, the bottom of the bolt one and the bolt two is fixedly connected to the T-shaped corner connector.

[0012] Preferably, the driving system comprises a motor support, the motor support is fixedly connected to a double-channel direct-current coded motor, and the double-channel direct-current coded motor is connected to the shaft coupling of the rear wheel.

[0013] Compared with the prior art, the front axle steering structure has the advantages that: 1, the front axle steering structure has the advantages that: the steering mechanism is driven by the steering gear, and the steering gear drives the crank to move, so that one main pull rod can be accurately pushed or pulled, and the remaining four linkage pull rods are driven to work cooperatively; the pull rods act on the T-shaped corner code together, so that the universal hollow wheel disc rotates, thereby realizing synchronous adjustment of the directions of the two wheels; the structure is simple and compact, easy to install and maintain, can support steering requirements of any radius, and provides high control accuracy; in addition, the unique mechanical linkage mechanism guarantees the stability and response speed during steering, and greatly improves the control performance and driving experience of the vehicle under various driving conditions.

[0014] 2, the front axle unit steering mechanism follows the Ackerman steering geometry principle, and when the machine vehicle is steered, the required steering force can be effectively reduced, and the working power of the robot driving device is reduced; the design not only helps to significantly reduce the manufacturing and operating costs, but also greatly reduces the tire wear and prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a three-dimensional structure rear view schematic view of the utility model;

[0017] Figure 3 It is a front axle and steering structure schematic view of the utility model;

[0018] Figure 4 It is a front axle structure schematic view of the utility model;

[0019] Figure 5 It is a steering structure schematic view of the utility model.

[0020] In the figure: 1, top plate; 2, vehicle body; 3, mounting plate; 4, bottom plate; 5, driving system; 6, control system; 7, first aluminum profile; 51, rear wheel; 52, double-channel direct current encoding motor; 53, motor support; 54, battery; 61, steering control mechanism; 62, front axle unit; 63, front wheel; 611, connecting rod; 612, bolt one; 613, crank; 614, bolt three; 615, steering gear; 616, bolt four; 617, bolt two; 618, nut; 6111, connecting rod one; 6112, connecting rod two; 6113, connecting rod three; 6114, connecting rod four; 6115, connecting rod five; 621, universal hollow wheel disc; 622, T-shaped corner code; 623, sitting bearing; 624, connecting rod device; 625, linkage device; 626, inner hexagonal screw two; 627, L-shaped corner code; 628, second aluminum profile; 629, corner aluminum; 6211, upper disc; 6212, ball; 6213, lower disc; 6241, fixed shaft; 6242, aluminum profile connecting rod; 6243, screw; 6251, inner hexagonal screw one; 6252, boat-shaped nut. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figure 1 and Figure 2The utility model provides a technical scheme: a machine car, including car body 2, car body 2 mainly is composed of control system 6, drive system 5 and bottom car frame, wherein, control system 6 is further subdivided into front axle unit 62, front wheel 63 and steering control mechanism 61, steering control mechanism 61 includes connecting rod 611, bolt one 612, crank 613, universal hollow wheel disc 621 and steering steering wheel 615 and other components, through steering steering wheel 615 drive crank 613 rotation, and then drive universal hollow wheel disc 621 rotation, thereby accurately control the direction change of front wheel 63, realize the flexible steering under the radius of arbitrariness, drive system includes motor support 53, this motor support 53 is fixedly connected with double channel direct current encoding motor 52, and double channel direct current encoding motor 52 is connected with rear wheel 51 through the shaft coupling, and this system utilizes double channel direct current encoding motor 52 as power source, provides high -efficient stable driving force for whole car body 2, ensures the reliable operation of machine car under various working environments, the front wheel 63 with the rear wheel 51 is arranged in the opposite two ends of bottom car frame, the front axle unit 62 with the steering control mechanism 61 is installed in the one end close to the front wheel 63, double channel direct current encoding motor 52, motor support 53, battery 54 are installed in the one end close to the rear wheel 51, and the main body structure of car body 2 adopts modularization design, including bottom plate 4, mounting plate 3, top plate 1 and first aluminium profile 7, specifically, car body bottom frame is connected with first aluminium profile 7 each other through L type corner code, forms the stable window shape bottom car frame, and bottom plate 4 and mounting plate 3 are fixed on the bottom car frame through screw, and four top corners are vertically placed additional first aluminium profile 7, and are fixed using T type corner code, and build into cuboid support structure, finally, again adopt aluminium profile and corner aluminium 629 to build window shape top car frame on cuboid top, and are closed with top plate 1, complete the assembly of overall car body.

[0023] Please refer to Figure 3 and Figure 4, in order to make the front axle unit 62 more durable and easy to maintain, the first aluminum profile 7 is used to build the front axle support, and a universal hollow wheel disc 621 is fixed below the front axle support, the universal hollow wheel disc 621 is composed of an upper wheel disc 6211, a ball 6212 and a lower wheel disc 6213, and the three are an integral structure, the wheel disc 6213 is fixed with two seat type bearings 623 through four inner hexagonal screws 6251, the rear end of each seat type bearing 623 is fixed with a T-shaped corner code 622 through two boat-shaped nuts, a connecting rod device 624 is fixed in the seat type bearing 623, the center of the connecting rod device 624 is inserted into an aluminum connecting rod 6242, one end of the aluminum connecting rod 6242 is provided with a fixed shaft 6241, and the fixed shaft 6241 is fixed through a screw 6243, in addition, a universal hollow wheel disc is installed below the seat type bearing, the bottom of the universal hollow wheel disc is fixed with two L-shaped corner codes 627 through inner hexagonal screw two 626, the two L-shaped corner codes 627 are further fixed with a second aluminum profile 628, and the left side of the second aluminum profile 628 is fixed with two corner aluminum 629, and the corner aluminum 629 is finally fixed and connected with the front axle support.

[0024] Please refer to Figure 3 and Figure 5 , in order to make the steering control mechanism 61 more flexible, the steering control mechanism 61 of the utility model comprises the following components: bolt one 612, bolt two 617 and connecting rod 611 are connected and fixed, specifically, the upper part of bolt one 612 is connected with one end of connecting rod one 6111 and is fixed through a nut, the other end of connecting rod one 6111 is fixed with one end of crank 613 through bolt three 614, the other end of crank 613 is fixed with the rotating wheel of steering gear 615, and the steering gear 615 is further fixed with crank 613 through bolt four 616, in addition, the bottom of bolt one 612 and bolt two 617 is connected and fixed with T-shaped corner code 622, so as to ensure the stability and reliability of the whole steering control mechanism.

[0025] Working principle: first, the steering gear 615 is fixed on the crank 613 through bolt four 616, so that the gear of the steering gear 615 is seamlessly engaged with the crank 613, and the seamless design ensures high-precision steering control, reduces the gap and error in the transmission process, connecting rod one 6111 is fixed with the crank 613 through bolt three 614, when the steering gear 615 rotates, the crank 613 is driven to rotate, and then the connecting rod one 6111 is driven to rotate, the connecting rod one 6111 pulls the bolt one 612, so as to drive the connecting rod two 6112 and the connecting rod five 6115, the connecting rod two 6112 and the connecting rod five 6115 further drive the connecting rod three 6113 and the connecting rod four 6114 to rotate, so as to pull the bolt two 617, the multi-stage connecting rod design makes the steering system flexible to adapt to different steering angles and load conditions, improves the steering flexibility of the vehicle, the bottom of the bolt one 612 and the bolt two 617 is fixed with the T-shaped angle code 622, and the T-shaped angle code 622 is fixed with the seated bearing 623, the multi-stage connecting rod and bolt fixing design not only provides high rigidity and stability, but also can maintain reliable performance under heavy load and harsh environment, in addition, the connection between the parts adopts standard bolts and nuts, which is convenient for disassembly and replacement, and simplifies the daily maintenance work;

[0026] Then, the upper layer universal hollow wheel disc 621 and the lower layer are fixed through the linkage device 625, when the bolt one 612 and the bolt two 617 rotate simultaneously, the T-shaped angle code 622 is pulled to rotate, so that the lower wheel disc 6213 and the bottom universal hollow wheel disc rotate simultaneously, the linkage design ensures the synchronization and consistency of the whole steering system, improves the stability and response speed of steering, the connecting rod device 624 is connected with the front wheel 63, so as to drive the front wheel 63 to rotate, the design of the connecting rod device 624 makes the steering force be uniformly transmitted to the front wheel, ensures the stability and controllability in the steering process, uses high-quality materials and optimization design, ensures the long service life and low wear rate of the whole system, reduces the demand for frequent replacement of parts.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A machine vehicle, characterized in that, The application relates to a vehicle body (2) comprising a control system (6), a driving system (5) and a bottom frame, the control system (6) comprising a front axle unit (62), a front wheel (63) and a steering control mechanism (61) which is composed of a connecting rod (611), a bolt I (612), a crank (613), a universal hollow wheel disc (621) and a steering engine (615), the steering engine (615) driving the crank (613) to drive the universal hollow wheel disc (621) to rotate and control the steering of the front wheel (63) so as to realize arbitrary radius steering. The driving system (5) comprises a rear wheel (51), a double-channel direct-current coded motor (52), a motor support (53) and a battery (54), the driving system (5) providing power for driving the vehicle body (2) to move through the double-channel direct-current coded motor (52). The front wheel (63) and the rear wheel (51) are arranged at opposite ends of the bottom frame, the front axle unit (62) and the steering control mechanism (61) are arranged at one end close to the front wheel (63), and the double-channel direct-current coded motor (52), the motor support (53) and the battery (54) are arranged at one end close to the rear wheel (51).

2. The machine vehicle of claim 1, wherein, The vehicle body (2) comprises a bottom plate (4), a mounting plate (3), a top plate (1) and a first aluminum profile (7), the bottom of the vehicle body (2) is connected by L-shaped corner connectors to form a window-shaped bottom frame, the bottom plate (4) and the mounting plate (3) are fixed to the bottom frame through screws, the bottom frame is vertically provided with the first aluminum profile (7) at four top corners and is fixed to form a cuboid frame through T-shaped corner connectors, the cuboid frame is connected to form a window-shaped top frame through aluminum profiles and corner aluminum (629), and the top plate (1) is arranged above the top frame.

3. The machine vehicle of claim 1, wherein, The front axle unit (62) is a front axle support built by an aluminum profile (7), the universal hollow wheel disc (621) is fixed below the front axle support, two sitting bearings (623) are fixed below the universal hollow wheel disc (621) through four inner hexagonal screws I (6251), a T-shaped corner connector (622) is fixed to the rear end of the sitting bearings (623) through two boat-shaped nuts, the sitting bearings (623) are fixed with a connecting rod device (624) in the middle, an aluminum connecting rod (6242) is inserted into the center of the connecting rod device (624), a fixed shaft (6241) is arranged at one end of the aluminum connecting rod (6242), the fixed shaft (6241) is fixed through a screw (6243), a universal hollow wheel disc is arranged below the sitting bearings (623), the bottom of the universal hollow wheel disc is fixed with two L-shaped corner connectors (627) through inner hexagonal screws II (626), the L-shaped corner connectors (627) are fixed with a second aluminum profile (628), two corner aluminum (629) are fixed to the left side of the second aluminum profile (628), and the corner aluminum (629) is fixed with the front axle support.

4. The machine vehicle of claim 3, wherein, The upper wheel disc (6211), the ball (6212) and the lower wheel disc (6213) are integrated structures.

5. The machine vehicle of claim 1, wherein, The steering control mechanism (61) comprises a first screw (612), the first screw (612) and a second screw (617) are connected with and fixed to a connecting rod (611), one end of the connecting rod (611) is connected with the first screw (612), one end of the connecting rod (611) is fixed by a nut, the other end of the connecting rod (611) is fixed to a crank (613) by a third screw (614), the other end of the crank (613) is fixed to a rotating wheel of a steering engine (615), and the steering engine (615) is fixed to the crank (613) by a fourth screw (616).

6. The machine vehicle of claim 5, wherein, The first screw (612) and the second screw (617) are connected with and fixed to a T-shaped corner code (622).

7. The machine vehicle of claim 1, wherein, The driving system comprises a motor support (53), the motor support (53) is fixedly connected with a double-channel direct-current coded motor (52), and the double-channel direct-current coded motor (52) is connected with a shaft coupling of a rear wheel (51).

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