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

Abstract

The invention discloses a postharvest transport vehicle with four-wheel-drive differential independent suspension, which comprises a body box, and the body box is symmetrically provided with a driving mechanism along its longitudinal axis; the driving mechanism includes a power source assembly, and the power source assembly is connected with a second transmission shaft, the second transmission shaft is connected to the first transmission shaft through the first transmission assembly, the second transmission shaft and the first transmission shaft are respectively keyed to the third sprocket, and are respectively pivotally connected to the suspension bracket; the suspension bracket is provided with The second transmission assembly, one end of the second transmission assembly is connected to the wheel, and the other end is connected to the third sprocket; the transport vehicle of the present invention has strong power and large bearing capacity, and can not only run and turn freely in the narrow space of the facility greenhouse, but also The wheels will not slip when passing through uneven roads.

Description

A four-wheel drive differential independent suspension postharvest transport vehicle

technical field

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

Background technique

At present, the post-harvest transportation link in the agricultural production process of facility greenhouses mainly relies on manpower to transport and transport crops, which is time-consuming and laborious. A small number of greenhouses use electric flatbed trucks for transportation, but electric flatbed trucks rely on rails to move, the operation path is single, and the degree of intelligence is low. , low transport efficiency. This seriously hinders the development of facility agriculture and limits the economic income of farmers. Moreover, the agricultural transport vehicle needs to walk on the land, and the road surface is uneven, while the traditional independent suspension shock absorber generally adopts a link mechanism. Slippage will occur, reducing tire life.

Contents of the invention

The object of the present invention is to provide a postharvest transport vehicle with four-wheel-drive differential independent suspension, aiming to solve or improve at least one of the above-mentioned technical problems.

In order to achieve the above object, the present invention provides the following solutions: the present invention provides a four-wheel drive differential independent suspension post-harvest transport vehicle, including a body box, and the body box is symmetrically provided with a drive mechanism along its longitudinal axis;

The drive mechanism includes a power source assembly, the power source assembly is connected to a second transmission shaft, the second transmission shaft is connected to a first transmission shaft through a first transmission assembly, and the second transmission shaft and the The first transmission shaft is respectively key-connected with the third sprocket, and respectively pivotally connected with the suspension bracket;

The suspension bracket is provided with a second transmission assembly, one end of the second transmission assembly is transmission-connected to a wheel, and the other end is transmission connection to the third sprocket, and the bottom end of the suspension bracket is hinged to one end of a shock absorber. The other end of the shock absorber is hinged to the bottom surface of the vehicle body box.

Preferably, the power source assembly includes a DC brushless motor fixedly installed in the inner cavity of the body box, and the DC brushless motor is connected to a reducer, and the reducer is connected to the second transmission through a coupling. The shaft is fixed.

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

Preferably, the first transmission assembly includes a first transmission chain, the two ends of the first transmission chain are respectively connected to the first sprocket and the second sprocket, and the first sprocket is connected to the first transmission shaft Keyed connection, the second sprocket is keyed to the second transmission shaft, and the second sprocket is keyed to the reducer, and the middle part of the first transmission chain is connected to a tensioning sprocket, so The tensioning sprocket is key-connected with an intermediate shaft, and the intermediate shaft is axially connected to the side wall of the vehicle body box.

Preferably, the second transmission assembly includes a wheel shaft, one end of the wheel shaft is fixedly connected to the wheel through a flange, and the other end is pivotally connected to the bottom end of the suspension bracket and is keyed to a fourth sprocket, so that The fourth sprocket is connected to the third sprocket through a second transmission chain, and the size of the fourth sprocket is the same as that of the third sprocket.

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

Preferably, a laser area sensor is fixedly installed on the outer wall of the front end of the body box, and the laser area sensor is electrically connected to the controller.

Preferably, a power-on button and a power-off button are fixedly installed on the front end of the outer top wall of the body box, emergency stop buttons are fixedly installed at the four corners of the outer top wall of the body box, and the rear end of the outer top wall of the body box A number of status indicator lights are installed, and the start button, the shutdown button, the emergency stop button and the status indicator lights are all electrically connected to the controller.

Preferably, a display screen is fixedly installed on the 45° panel of the outer wall of the front end of the body box, and the display screen is electrically connected to the controller.

Preferably, a number of anti-skid strips are fixedly connected to the middle end of the top wall of the body box, and some of the anti-skid strips are surrounded by baffles, and fenders are fixedly connected to the two side walls of the body box. A fender sits above said wheel.

The present invention discloses the following technical effects: the present invention adopts the driving mode of double driving mechanisms for power output, and the power is strong and has a large bearing capacity; at the same time, the driving mode of double driving mechanisms can realize differential steering, can perform in-situ steering and U-turn, and can Free driving and turning in the narrow space of the facility greenhouse; and each wheel is equipped with independent suspension, and different wheels can be rotated around the first transmission shaft or the second transmission shaft by the suspension bracket without rotating around its own axis. The axis rotates so that the wheels do not slip when driving over uneven surfaces.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is the top view of the interior of the vehicle body box of the present invention;

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

In the figure: 1. Wheel; 2. Body box; 3. Fender; 4. Anti-skid strip; 5. Status indicator light; 6. Baffle; 7. Start button; 8. Shutdown button; 9. Emergency stop button ;10, display screen; 11, wheel shaft; 12, suspension bracket; 13, shock absorber; 14, laser area sensor; 15, controller; 16, first sprocket wheel; 17, first transmission shaft; 18, Zhang Tight sprocket; 19. Intermediate shaft; 20. Coupling; 21. Second transmission shaft; 22. Second sprocket; 23. Charging port; 24. Reducer; 25. First transmission chain; 26. DC no Brush motor; 27, motor driver; 28, lithium battery; 29, the third sprocket wheel; 30, the second transmission chain; 31, the fourth sprocket wheel.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1-3, the present embodiment provides a postharvest transport vehicle with four-wheel drive differential independent suspension, including a body box 2, and the body box 2 is symmetrically provided with a drive mechanism along its longitudinal axis;

The drive mechanism includes a power source assembly, the power source assembly is connected to the second transmission shaft 21, the second transmission shaft 21 is connected to the first transmission shaft 17 through the first transmission assembly, and the second transmission shaft 21 and the first transmission shaft 17 are respectively The key is connected with the third sprocket 29, and the suspension bracket 12 is pivoted respectively;

The suspension bracket 12 is provided with a second transmission assembly, one end of the second transmission assembly is transmission-connected with the wheel 1, and the other end is transmission connection with the third sprocket 29, the bottom end of the suspension bracket 12 is hinged with one end of the shock absorber 13, and the shock absorber The other end of 13 is hinged with body box body 2 bottom surfaces.

The present invention adopts the driving mode of double driving mechanism for power output, which has strong power and large bearing capacity; at the same time, the driving mode of double driving mechanism can realize differential steering, can perform in-situ steering and U-turn, and can freely move in the narrow space of the facility greenhouse Driving and turning; and each wheel 1 is provided with an independent suspension, and different wheels 1 can be rotated around the axis of the first transmission shaft 17 or the second transmission shaft 21 by the suspension bracket 12 without rotating around its own axis , so the wheel 1 will not slip when passing through uneven road surfaces.

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

To further optimize the solution, the power source assembly includes a DC brushless motor 26 fixedly installed in the inner cavity of the body box 2, and the DC brushless motor 26 is connected to a speed reducer 24, and the speed reducer 24 is connected to the second transmission shaft 21 through a coupling 20 Fixed. The power source assembly also includes a lithium battery 28 fixedly installed in the body box 2 , the lithium battery 28 is fixedly installed and electrically connected to a motor driver 27 , and the motor driver 27 is electrically connected to a brushless DC motor 26 . The power supply is provided by the lithium battery 28, and the DC brushless motor 26 is operated to drive the speed reducer 24 to work through the motor driver 27, and then the second transmission shaft 21 is rotated, and the first transmission assembly drives the first transmission shaft 17 to rotate synchronously to realize Drive to four wheels 1.

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

In a further optimization scheme, the first transmission assembly includes a first transmission chain 25, and the first transmission chain 25 is connected to the first sprocket 16 and the second sprocket 22 at both ends, and the first sprocket 16 is keyed to the first transmission shaft 17. connection, the second sprocket 22 is keyed to the second transmission shaft 21, and the second sprocket 22 is keyed to the reducer 24, and the middle part of the first transmission chain 25 is connected to the tensioning sprocket 18, and the tensioning sprocket 18 is keyed An intermediate shaft 19 is connected, and the intermediate shaft 19 is pivotally connected to the side wall of the body box 2 . The first transmission chain 25 is driven to rotate by the first sprocket 16 and the second sprocket 22, thereby realizing the power transmission of the first transmission shaft 17 and the second transmission shaft 21, and the first transmission chain 25 is in the position of the tensioning sprocket 18. Tension state, improve power transmission effect.

In a further optimization scheme, the second transmission assembly includes a wheel shaft 11, one end of the wheel shaft 11 is fixedly connected to the wheel 1 through a flange, and the other end is pivotally connected to the bottom end of the suspension bracket 12 and is keyed to a fourth sprocket 31, the fourth chain The wheel 31 is connected to the third sprocket 29 through the second transmission chain 30, and the size of the fourth sprocket 31 and the third sprocket 29 are the same. Drive the third sprocket 29 to rotate through the second transmission shaft 21, thereby the power is transmitted to the fourth sprocket 31 through the second transmission chain 30, and then realize that the wheel shaft 11 is driven by the fourth sprocket 31 to rotate, and the rotation of the wheel 1 is realized. turn. At the same time, one end of the suspension bracket 12 is pivotally connected, so different wheels 1 can rotate around the axis of the first transmission shaft 17 or the second transmission shaft 21 without rotating around the axis of the wheel 1 itself.

In a further optimized solution, a controller 15 is fixedly installed at the front end of the inner cavity of the vehicle body box 2 , and the controller 15 is electrically connected to the motor driver 27 . The controller 15 is used for overall control of the transport vehicle, and the motor driver 27 receives the speed command from the controller to control the DC brushless motor 26 .

Further, the controller 15 is preferably a PLC controller.

In a further optimized solution, a laser area sensor 14 is fixedly installed on the outer wall of the front end of the body box 2 , and the laser area sensor 14 is electrically connected to the controller 15 . It is used to scan the surrounding environment in real time and avoid obstacles. When the distance between the obstacle encountered during the movement and the transport vehicle of this device is less than the safe distance, the transport vehicle will perform emergency braking, and its safety factor is high.

To further optimize the scheme, the front end of the outer top wall of the body box 2 is fixedly equipped with a start button 7 and a shutdown button 8, and the four corners of the outer top wall of the body box 2 are respectively fixedly installed with an emergency stop button 9, and the rear end of the outer top wall of the body box 2 A number of status indicator lights 5 are fixedly installed, and the start button 7, the shutdown button 8, the emergency stop button 9 and the status indicator lights 5 are all electrically connected with the controller 15.

The power-on button 7 is used to start the transport vehicle, the shutdown button 8 is used to shut down the transport vehicle, the four emergency stop buttons 9 are used for emergency braking in emergency situations, and the status indicator light 5 is used to display the state of the transport vehicle.

Further, there are specifically three status indicator lights 5, which are green, red and yellow respectively.

To further optimize the solution, a display screen 10 is fixedly installed on a 45° panel on the outer wall of the front end of the body box 2, and the display screen 10 is electrically connected to the controller 15. It is used for the operator to view the status information of the transport vehicle.

To further optimize the scheme, a number of anti-slip strips 4 are fixedly connected to the middle end of the top wall of the body box 2 to prevent the goods from sliding on the transport vehicle, and a number of anti-slip strips 4 are surrounded by baffles 6 to prevent the goods from sliding on the transport vehicle. Fenders 3 are fixedly connected to both side walls of the box body 2 of the dropped body, and the fenders 3 are located above the wheels 1 .

During specific work, press the start button 7 to start the machine, and the status indicator light 5 lights up. If the transport vehicle is in normal operation, the green indicator light will always be on. If the transport vehicle voltage is too low, the red indicator light will always be on. The yellow indicator light is always on, and the operator uses the remote control to operate the forward, backward and turning of the transport, and can check the status information of the transport vehicle through the display, when the obstacle detected by the laser area sensor 14 of the transport vehicle is in the process of moving. When the distance is less than the safety distance, the controller 15 will control the transport vehicle to perform emergency braking automatically, and the operator can also press the emergency stop button 9 around the transport vehicle to perform emergency braking. The shutdown button 8 on the car is turned off.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, not to limit the scope of the present invention. Without departing from the design spirit of the present invention, those skilled in the art may make various Variations and improvements should fall within the scope of protection defined by the claims of the present invention.

Claims (10)

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.

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