CN218616202U

CN218616202U - Four-wheel-drive differential independent suspension transport vehicle for postharvest

Info

Publication number: CN218616202U
Application number: CN202223261059.5U
Authority: CN
Inventors: 郭惠萍; 王晨思; 王霆伟; 李怡; 荣麟瑞; 王常林; 张娇; 曹亚州; 王逸宁; 马瑾; 许俊科; 应卓凡; 吴宇; 张宸
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-14
Anticipated expiration: 2032-12-06

Abstract

The invention discloses a four-wheel-drive differential independent suspension transport vehicle after mining, which comprises a vehicle body box body, wherein the vehicle body box body is symmetrically provided with driving mechanisms along the longitudinal axis of the vehicle body box body; the driving mechanism comprises a power source component, the power source component is connected with a second transmission shaft in a transmission manner, the second transmission shaft is connected with a first transmission shaft in a transmission manner through the first transmission component, the second transmission shaft and the first transmission shaft are respectively connected with a third chain wheel in a key manner and are respectively connected with a suspension bracket in a shaft manner; a second transmission assembly is arranged on the suspension bracket, one end of the second transmission assembly is in transmission connection with a wheel, and the other end of the second transmission assembly is in transmission connection with a third chain wheel; the transport vehicle has strong power and large bearing capacity, can freely run and turn in a narrow space of a facility greenhouse, and can not slip when passing through an uneven road surface.

Description

Four-wheel-drive differential independent suspension transport vehicle for postharvest

Technical Field

The invention relates to the field of agricultural machinery, in particular to a four-wheel-drive differential independent suspension transport vehicle after mining.

Background

The transport link of adopting the back in the facility big-arch shelter agricultural production process of present stage mainly relies on the manpower to carry out the transportation transport of crops, wastes time and energy, adopts electronic flatbed to transport in a few big-arch shelters, but electronic flatbed relies on the track to remove, and the operation route is single, and intelligent degree is low, and the conveying efficiency is low. This seriously hinders the development of facility agriculture and limits the economic income of farmers. Moreover, agricultural transport vehicles need to walk on the ground, the road surface is uneven, and the traditional independent suspension damping device generally adopts a link mechanism, so that wheels can move in the direction far away from or close to the vehicle body during damping, and therefore slippage can occur between tires and the ground, and the service life of the tires is shortened.

Disclosure of Invention

The invention aims to provide a four-wheel-drive differential independent suspension post-harvest transport vehicle, which aims to solve or improve at least one of the technical problems.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a four-wheel-drive differential independent suspension transport vehicle after mining, which comprises a vehicle body box body, wherein the vehicle body box body is symmetrically provided with driving mechanisms along the longitudinal axis of the vehicle body box body;

the driving mechanism comprises a power source component, the power source component is connected with a second transmission shaft in a transmission manner, the second transmission shaft is connected with a first transmission shaft in a transmission manner through a first transmission component, the second transmission shaft and the first transmission shaft are respectively connected with a third chain wheel in a key manner, and are respectively connected with a suspension bracket in a shaft manner;

the suspension bracket is provided with a second transmission assembly, one end of the second transmission assembly is in transmission connection with a wheel, the other end of the second transmission assembly is in transmission connection with the third chain wheel, the bottom end of the suspension bracket is hinged with one end of a shock absorber, and the other end of the shock absorber is hinged with the bottom surface of the car body box body.

Preferably, the power source assembly comprises a direct current brushless motor fixedly installed in an inner cavity of the vehicle body box, the direct current brushless motor is in transmission connection with a speed reducer, and the speed reducer is fixedly connected with the second transmission shaft through a coupler.

Preferably, the power source assembly further comprises a lithium battery fixedly installed in the vehicle body box body, the lithium battery is fixedly installed and electrically connected with a motor driver, and the motor driver is electrically connected with the direct current brushless motor.

Preferably, first transmission assembly includes first drive chain, first sprocket and second sprocket are connected in the transmission respectively in the first drive chain both ends, first sprocket with first transmission shaft key-type connection, the second sprocket with second transmission shaft key-type connection, just the second sprocket with reduction gear key-type connection, first drive chain middle part transmission is connected with tensioning sprocket, tensioning sprocket key-type connection has the jackshaft, the jackshaft coupling is in on the automobile body box lateral wall.

Preferably, the second transmission assembly comprises a wheel shaft, one end of the wheel shaft is fixedly connected with the wheel through a flange plate, the other end of the wheel shaft is connected with the bottom end of the suspension bracket in a shaft-in-parallel key mode and is connected with a fourth chain wheel, the fourth chain wheel is in transmission connection with the third chain wheel through a second transmission chain, and the fourth chain wheel and the third chain wheel are identical in size.

Preferably, a controller is fixedly installed at the front end of the inner cavity of the vehicle body box body, and the controller is electrically connected with the motor driver.

Preferably, the outer wall of the front end of the car body box body is fixedly provided with a laser area sensor, and the laser area sensor is electrically connected with the controller.

Preferably, a start button and a shutdown button are fixedly mounted at the front end of the outer top wall of the vehicle body box body, emergency stop buttons are fixedly mounted at four corners of the outer top wall of the vehicle body box body respectively, a plurality of status indicator lamps are fixedly mounted at the rear end of the outer top wall of the vehicle body box body, and the start button, the shutdown button, the emergency stop button and the status indicator lamps are electrically connected with the controller.

Preferably, a display screen is fixedly mounted on a 45-degree panel on the outer wall of the front end of the car body box body, and the display screen is electrically connected with the controller.

Preferably, a plurality of anti-slip strips are fixedly connected to the middle end of the top wall of the vehicle body box body, baffles are surrounded on the periphery of the anti-slip strips, and two side walls of the vehicle body box body are respectively and fixedly connected with a mudguard which is located above the wheels.

The invention discloses the following technical effects: the invention adopts a mode of driving by a double-driving mechanism to output power, and the power is strong and has large bearing capacity; meanwhile, the differential steering can be realized by adopting a driving mode of a dual-driving mechanism, the pivot steering and turning can be carried out, and the device can freely run and turn in a narrow space of a facility greenhouse; and each wheel is provided with independent suspension, and different wheels can rotate around the axis of the first transmission shaft or the second transmission shaft by the suspension bracket under the condition that the wheels do not rotate around the axis of the wheels, so that the wheels cannot slip when passing through an uneven road surface.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a top view of the interior of the body shell of the present invention;

FIG. 3 is a schematic structural view of a second transmission assembly of the present invention;

in the figure: 1. a wheel; 2. a vehicle body box; 3. a fender; 4. anti-slip strips; 5. a status indicator light; 6. a baffle plate; 7. a boot button; 8. a shutdown button; 9. an emergency stop button; 10. a display screen; 11. a wheel shaft; 12. a suspension bracket; 13. a shock absorber; 14. a laser area sensor; 15. a controller; 16. a first sprocket; 17. a first drive shaft; 18. a tension sprocket; 19. an intermediate shaft; 20. a coupling; 21. a second drive shaft; 22. a second sprocket; 23. a charging port; 24. a speed reducer; 25. a first drive chain; 26. a DC brushless motor; 27. a motor driver; 28. a lithium battery; 29. a third sprocket; 30. a second drive chain; 31. and a fourth sprocket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-3, the embodiment provides a four-wheel drive differential independent suspension transport vehicle after mining, which includes a vehicle body case 2, wherein the vehicle body case 2 is symmetrically provided with driving mechanisms along a longitudinal axis thereof;

the driving mechanism comprises a power source component, the power source component is connected with a second transmission shaft 21 in a transmission manner, the second transmission shaft 21 is connected with a first transmission shaft 17 in a transmission manner through the first transmission component, the second transmission shaft 21 and the first transmission shaft 17 are respectively connected with a third chain wheel 29 in a key manner and are respectively connected with a suspension bracket 12 in a shaft manner;

the suspension bracket 12 is provided with a second transmission component, one end of the second transmission component is in transmission connection with the wheel 1, the other end of the second transmission component is in transmission connection with a third chain wheel 29, the bottom end of the suspension bracket 12 is hinged with one end of a shock absorber 13, and the other end of the shock absorber 13 is hinged with the bottom surface of the vehicle body box body 2.

The invention adopts a double-driving mechanism driving mode to output power, and the power is strong and has large bearing capacity; meanwhile, the differential steering can be realized by adopting a driving mode of a dual-driving mechanism, the pivot steering and turning can be carried out, and the device can freely run and turn in a narrow space of a facility greenhouse; and each wheel 1 is provided with an independent suspension, and different wheels 1 can rotate around the axes of the first transmission shaft 17 or the second transmission shaft 21 by the suspension bracket 12 under the condition of not rotating around the axes of the different wheels 1, so that the wheels 1 cannot skid when passing through an uneven road surface.

Further, the first transmission shaft 17 and the second transmission shaft 21 are both mounted on the side wall of the vehicle body case 2 through bearings.

Further optimize the scheme, the power source subassembly includes the brushless DC motor 26 of fixed mounting in 2 inner chambers of automobile body box, and brushless DC motor 26 transmission is connected with reduction gear 24, and reduction gear 24 passes through shaft coupling 20 and second transmission shaft 21 rigid couplings. The power source assembly further comprises a lithium battery 28 fixedly installed in the vehicle body box body 2, the lithium battery 28 is fixedly installed and electrically connected with a motor driver 27, and the motor driver 27 is electrically connected with the direct current brushless motor 26. The four wheels 1 are driven by the power supplied by the lithium battery 28 and the dc brushless motor 26 driven by the motor driver 27 to drive the speed reducer 24, so as to rotate the second transmission shaft 21 and drive the first transmission shaft 17 to rotate synchronously by the first transmission assembly.

Further, a charging port 23 is installed at the rear end of the vehicle body case 2.

Further optimize the scheme, first drive assembly includes first drive chain 25, first sprocket 16 and second sprocket 22 are connected in the transmission respectively in the first drive chain 25 both ends, first sprocket 16 and the key-type connection of first transmission shaft 17, second sprocket 22 and the 21 key-type connections of second transmission shaft, and second sprocket 22 and reduction gear 24 key-type connection, first drive chain 25 middle part transmission is connected with tensioning sprocket 18, tensioning sprocket 18 key-type connection has jackshaft 19, jackshaft 19 hub connection is on 2 lateral walls of automobile body box. The first chain wheel 16 and the second chain wheel 22 drive the first transmission chain 25 to rotate, so that the power transmission of the first transmission shaft 17 and the second transmission shaft 21 is realized, the first transmission chain 25 is in a tensioning state through the tensioning chain wheel 18, and the power transmission effect is improved.

In a further optimized scheme, the second transmission assembly comprises a wheel shaft 11, one end of the wheel shaft 11 is fixedly connected with the wheel 1 through a flange, the other end of the wheel shaft 11 is in shaft connection with the bottom end of the suspension bracket 12 in parallel and is in key connection with a fourth chain wheel 31, the fourth chain wheel 31 is in transmission connection with the third chain wheel 29 through a second transmission chain 30, and the fourth chain wheel 31 and the third chain wheel 29 are identical in size. The third chain wheel 29 is driven to rotate by the second transmission shaft 21, so that power is transmitted to the fourth chain wheel 31 by the second transmission chain 30, and the wheel shaft 11 is driven to rotate by the fourth chain wheel 31, so as to rotate the wheel 1. Meanwhile, one end of the suspension bracket 12 is coupled, so that different wheels 1 can rotate around the axis of the first transmission shaft 17 or the second transmission shaft 21 under the condition that the wheels 1 do not rotate around the axis of the wheels 1.

Further optimize the scheme, the front end of the inner cavity of the vehicle body box body 2 is fixedly provided with a controller 15, and the controller 15 is electrically connected with the motor driver 27. The controller 15 is used for overall control of the transport vehicle, and the motor driver 27 receives a speed command from the controller to control the dc brushless motor 26.

Further, the controller 15 is preferably a PLC controller.

Further optimize the scheme, the outer wall of the front end of the car body box body 2 is fixedly provided with a laser area sensor 14, and the laser area sensor 14 is electrically connected with the controller 15. The device is used for scanning the surrounding environment in real time and avoiding obstacles, and when the distance from an obstacle to the transport vehicle of the device encountered in the motion process is less than the safe distance, the transport vehicle can carry out emergency braking, and the safety coefficient of the device is higher.

Further optimize scheme, the outer roof front end fixed mounting of automobile body box 2 has start button 7 and shutdown button 8, and the outer roof four corners department of automobile body box 2 respectively fixed mounting have emergency stop button 9, and the outer roof rear end fixed mounting of automobile body box 2 has a plurality of status indicator lamps 5, and start button 7, shutdown button 8, emergency stop button 9 and status indicator lamp 5 all with 15 electric connection of controller.

The starting button 7 is used for starting the transport vehicle, the shutdown button 8 is used for shutting down the transport vehicle, the four emergency stop buttons 9 are used for emergency braking under emergency conditions, and the status indicator lamp 5 is used for displaying the status of the transport vehicle.

Further, the status indicator lamps 5 are three, and are green, red and yellow, respectively.

Further optimize the scheme, fixed mounting has display screen 10 on the 45 panels of front end outer wall of automobile body box 2,

display screen

10 and 15 electric connection of controller. For the operator to view the status information of the vehicle.

Further optimization scheme, 2 roof middle-end rigid couplings of automobile body box have a plurality of antislip strips 4 for prevent that the goods from sliding on the transport vechicle, and a plurality of antislip strips 4 surround all around and have baffle 6, be used for preventing that the goods from dropping 2 both sides walls of automobile body box from the transport vechicle rigid coupling respectively have fender 3, fender 3 is located wheel 1 top.

When the automatic emergency braking device works specifically, the starting button 7 is pressed to start the device, the status indicator lamp 5 is lightened, if the running state of the transport vehicle is normal, the green indicator lamp is normally lightened, if the voltage of the transport vehicle is too low, the red indicator lamp is normally lightened, if the transport vehicle breaks down, the yellow indicator lamp is normally lightened, the remote controller is used for operating the transport vehicle to move forward, backward and turn, the status information such as the electric quantity of the transport vehicle can be displayed and checked, when the distance from an obstacle detected by the laser area sensor 14 to the transport vehicle in the moving process of the transport vehicle is smaller than the safe distance, the controller 15 can control the transport vehicle to automatically carry out emergency braking, an operator can also press the emergency stop button 9 around the transport vehicle to carry out emergency braking, and when the transport vehicle does not need to work, the shutdown button 8 on the transport vehicle can be pressed to shut down.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a four-wheel drive differential independent suspension transport vechicle after-picking which characterized in that: the bicycle comprises a bicycle body box body (2), wherein the bicycle body box body (2) is symmetrically provided with driving mechanisms along the longitudinal axis of the bicycle body box body;

the driving mechanism comprises a power source assembly, the power source assembly is connected with a second transmission shaft (21) in a transmission manner, the second transmission shaft (21) is connected with a first transmission shaft (17) through the first transmission assembly in a transmission manner, the second transmission shaft (21) and the first transmission shaft (17) are respectively connected with a third chain wheel (29) in a key manner and are respectively connected with a suspension bracket (12) in a shaft coupling manner;

be equipped with second transmission assembly on suspension bracket (12), second transmission assembly one end transmission is connected with wheel (1), the other end with third sprocket (29) transmission is connected, suspension bracket (12) bottom articulates there is the one end of bumper shock absorber (13), the other end of bumper shock absorber (13) with automobile body box (2) bottom surface is articulated.

2. The four-wheel-drive differential independent suspension post-harvest transport vehicle according to claim 1, characterized in that: the power source assembly comprises a direct current brushless motor (26) fixedly mounted in an inner cavity of the vehicle body box body (2), the direct current brushless motor (26) is in transmission connection with a speed reducer (24), and the speed reducer (24) is fixedly connected with the second transmission shaft (21) through a coupler (20).

3. The four-wheel-drive differential independent suspension post-harvest transport vehicle according to claim 2, characterized in that: the power source assembly further comprises a lithium battery (28) fixedly installed in the vehicle body box body (2), the lithium battery (28) is fixedly installed and electrically connected with a motor driver (27), and the motor driver (27) is electrically connected with the direct current brushless motor (26).

4. The four-wheel drive differential independent suspension transport vehicle after-mining according to claim 2, characterized in that: first drive assembly includes first drive chain (25), first sprocket (16) and second sprocket (22) are connected in the transmission respectively in first drive chain (25) both ends, first sprocket (16) with first drive shaft (17) key-type connection, second sprocket (22) with second drive shaft (21) key-type connection, just second sprocket (22) with reduction gear (24) key-type connection, first drive chain (25) middle part transmission is connected with idler pulley (18), idler pulley (18) key-type connection has jackshaft (19), jackshaft (19) coupling is in on automobile body box (2) lateral wall.

5. The four-wheel-drive differential independent suspension post-harvest transport vehicle according to claim 1, characterized in that: the second transmission assembly comprises a wheel shaft (11), one end of the wheel shaft (11) is fixedly connected with the wheel (1) through a flange plate, the other end of the wheel shaft (11) is in shaft connection with the bottom end of the suspension bracket (12) in parallel and is in key connection with a fourth chain wheel (31), the fourth chain wheel (31) is in transmission connection with the third chain wheel (29) through a second transmission chain (30), and the fourth chain wheel (31) and the third chain wheel (29) are identical in size.

6. The four-wheel drive differential independent suspension transport vehicle after-mining of claim 3, characterized in that: the front end of the inner cavity of the vehicle body box body (2) is fixedly provided with a controller (15), and the controller (15) is electrically connected with the motor driver (27).

7. The four-wheel drive differential independent suspension transport vehicle after-mining of claim 6, characterized in that: the automobile body box (2) front end outer wall fixed mounting has laser area sensor (14), laser area sensor (14) with controller (15) electric connection.

8. The four-wheel drive differential independent suspension transport vehicle after-mining of claim 6, characterized in that: outer top wall front end fixed mounting of automobile body box (2) has start button (7) and shutdown button (8), outer top wall four corners department of automobile body box (2) is fixed mounting respectively has emergency stop button (9), outer top wall rear end fixed mounting of automobile body box (2) has a plurality of state pilot lamps (5), start button (7) shutdown button (8) emergency stop button (9) with state pilot lamp (5) all with controller (15) electric connection.

9. The four-wheel-drive differential independent suspension post-harvest transport vehicle according to claim 6, characterized in that: the automobile body box (2) front end outer wall 45 panels are fixedly provided with a display screen (10), and the display screen (10) is electrically connected with the controller (15).

10. The four-wheel drive differential independent suspension transport vehicle after-mining of claim 1, characterized in that: the automobile body box (2) roof middle-end rigid coupling has a plurality of antislip strip (4), and is a plurality of antislip strip (4) enclose around there are baffle (6), automobile body box (2) both sides wall rigid coupling respectively has fender (3), fender (3) are located wheel (1) top.