Double-hydraulic-control four-wheel-drive walking spraying machine

Abstract

The utility model discloses a double hydraulic control four-wheel drive walking sprayer which comprises a main power machine and an auxiliary machine, a spraying device is installed on the auxiliary machine, the main power machine comprises a main driving wheel, a power machine, a steering wheel and a main machine frame, an auxiliary machine frame and an auxiliary machine driving wheel are installed on the auxiliary machine, the power machine is in transmission connection with a transmission rod, and the transmission rod is in transmission connection with the steering wheel. The transmission rod is in transmission connection with the auxiliary engine driving wheel, and the power machine drives the auxiliary engine driving wheel to rotate through the transmission rod; the power machine drives the main driving wheel to rotate, the power machine drives the auxiliary machine driving wheel to rotate through the transmission rod to achieve four-wheel-drive walking, the trafficability is improved, the active safety is improved, in the climbing process, the weight distribution is not uniform due to vehicle inclination, and a four-wheel-drive vehicle easily climbs; the two hydraulic cylinders are matched with each other to effectively control the rotating angle of the auxiliary machine, so that the turning radius during walking is reduced, the applicability of the equipment is improved, the equipment can better pass through complex terrains, the spraying machine driven by hydraulic pressure can be started to spray and a fan to work under the condition that the spraying machine walks or stops, and the working efficiency is improved. Therefore, higher working efficiency can be achieved.

Description

Technical Field

[0001] The utility model relates to the field of sprayers, in particular to a dual hydraulic control four-wheel drive walking sprayer. Background Art

[0002] The operating environment of vehicle-mounted sprayers is relatively harsh, and they often need to operate in complex terrain. Two-wheel drive vehicles have low passability and low active safety. During climbing, the tilt of the vehicle will cause uneven weight distribution, and the pressure on the rear wheels will be relatively large, making climbing difficult.

[0003] The existing vehicle-mounted sprayer cannot realize the waist rotation of the vehicle, and cannot pass smoothly in some spaces with a small turning radius or takes a long time to pass. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the above-mentioned traditional technology and provide a dual hydraulic control four-wheel drive walking sprayer which can effectively solve the above-mentioned problems.

[0005] The purpose of the utility model is achieved through the following technical measures: a dual hydraulic control four-wheel drive walking sprayer, characterized in that: it includes a main power machine and an auxiliary machine, the auxiliary machine is equipped with a spray device, the main power machine and the auxiliary machine are movably connected, the main power machine includes a main drive wheel, a power machine, a steering wheel and a main frame, the auxiliary machine is equipped with an auxiliary frame and an auxiliary machine drive wheel, the power machine drives the main drive wheel to rotate, the steering wheel is used to control the direction of travel, the power machine is transmission-connected with a transmission rod, the transmission rod is transmission-connected with the auxiliary machine drive wheel, and the power machine drives the auxiliary machine drive wheel to rotate through the transmission rod.

[0006] As a preferred solution: an upper connecting plate and a lower connecting plate are fixedly connected to the main frame, an upper connecting frame and a lower connecting frame are fixedly connected to the auxiliary frame, the upper connecting plate is hinged to the upper connecting frame, and the lower connecting plate is hinged to the lower connecting frame.

[0007] As a preferred solution: a hydraulic seat is fixedly connected to the lower connecting plate, and two hydraulic seats are provided. The two hydraulic seats are respectively arranged on both sides of the transmission rod, and a hydraulic cylinder is installed on each hydraulic seat. A seat block is fixedly connected to the lower connecting frame, and the telescopic end of the hydraulic cylinder is connected to the seat block. The actions of the two hydraulic cylinders are opposite. When one hydraulic cylinder extends, the other hydraulic cylinder simultaneously retracts.

[0008] As a preferred solution: the auxiliary machine is fixedly connected to a secondary frame, the spray device includes a water tank, a bracket and a spray assembly, the water tank is fixedly installed on the secondary frame, the spray assembly is movably connected to the bracket, and the bracket is rotatably installed on the top of the secondary frame.

[0009] As a preferred solution: the bracket includes a rotating disk and a mounting frame, the rotating disk is rotatably mounted on the top of the auxiliary frame, and the mounting frame is fixedly mounted on the rotating disk.

[0010] As a preferred solution: the spray assembly includes a wind cylinder and a nozzle, a cone section is formed between the wind cylinder and the nozzle for increasing wind force, the wind cylinder and the nozzle are fixedly connected, a fan is installed in the wind cylinder, the nozzle is used for spraying water, and a pipe is connected between the nozzle and the water tank.

[0011] As a preferred solution: a hydraulic drive device is installed on the spray device, and the hydraulic drive device includes a rotation drive component and a spray angle drive component. The rotation drive component drives the rotating disk to rotate, and the spray angle drive component drives the spray component to adjust the spray angle.

[0012] Due to the adoption of the above technical solution, compared with the prior art, the advantages of the utility model are:

[0013] The utility model discloses a dual hydraulically controlled four-wheel drive walking sprayer, comprising a main power machine and an auxiliary machine, a spray device being installed on the auxiliary machine, the main power machine and the auxiliary machine being movably connected, the main power machine comprising a main driving wheel, a power machine, a steering wheel and a main frame, the auxiliary machine being installed on the auxiliary machine and the auxiliary machine driving wheel, the power machine driving the main driving wheel to rotate, the steering wheel being used to control the direction of travel, the power machine being transmission-connected with a transmission rod, the transmission rod being transmission-connected with the auxiliary machine driving wheel, the power machine driving the auxiliary machine driving wheel to rotate through the transmission rod; the present application realizes four-wheel drive walking by driving the main driving wheel to rotate through the power machine, and the power machine driving the auxiliary machine driving wheel to rotate through the transmission rod, firstly, improving the passability, and secondly, improving the active safety, in the process of climbing a slope, the inclination of the vehicle will lead to uneven weight distribution, the pressure on the rear wheel will be relatively large, and the four-wheel drive vehicle will distribute driving force to the rear wheel, so that it is easy to climb a slope;

[0014] When the tires of a vehicle are stuck in the mud, it is difficult to drive out. The four-wheel drive vehicle can use the differential lock function to allocate enough torque to the tires to push the vehicle out. The two hydraulic cylinders cooperate with each other to effectively control the rotation angle of the auxiliary engine, thereby reducing the turning radius of the application when walking, improving the applicability of the equipment, and being able to work better in complex terrain.

[0015] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 The utility model is a schematic diagram of a dual hydraulic control four-wheel drive walking sprayer.

[0017] Attached Figure 2The utility model is a side view of a dual hydraulic control four-wheel drive walking sprayer.

[0018] Attached Figure 3 The utility model is a top view of a dual hydraulic control four-wheel drive walking sprayer.

[0019] Attached Figure 4 It is a schematic diagram of the relative position relationship among the hydraulic seat, the hydraulic cylinder and the seat block of the utility model.

[0020] Attached Figure 5 It is a schematic diagram of the spray device and related components of the utility model.

[0021] Attached Figure 6 It is a schematic diagram of the rotation drive assembly and the spray angle drive assembly of the utility model and related components. DETAILED DESCRIPTION

[0022] Example: As attached Figures 1 to 6 As shown, a dual hydraulically controlled four-wheel drive walking sprayer includes a main power machine 1 and an auxiliary machine 2, the auxiliary machine 2 is equipped with a spray device 3, the main power machine 1 and the auxiliary machine 2 are movably connected, the main power machine 1 includes a main drive wheel 11, a power machine 12, a steering wheel 13 and a main frame 14, the auxiliary machine 2 is equipped with an auxiliary frame 21 and an auxiliary machine drive wheel 22, the power machine 12 drives the main drive wheel 11 to rotate, the steering wheel 13 is used to control the direction of travel, the power machine 12 is transmission-connected with a transmission rod 4, the transmission rod 4 is transmission-connected with the auxiliary machine drive wheel 22, and the power machine 12 drives the auxiliary machine drive wheel 22 to rotate through the transmission rod 4.

[0023] The transmission rod 4 is connected to the auxiliary engine driving wheel 22 through a differential transmission. This part of the structure belongs to the prior art and will not be described in detail in this application.

[0024] In the present application, the power machine 12 drives the main drive wheel 11 to rotate, and the power machine 12 drives the auxiliary drive wheel 22 to rotate through the transmission rod 4 to realize four-wheel drive travel. First, it improves the passability, and second, it improves the active safety. During the climbing process, the inclination of the vehicle will cause uneven weight distribution, and the pressure on the rear wheels will be relatively large, while the four-wheel drive model will distribute driving force to the rear wheels, making it easy to climb the slope.

[0025] Once a vehicle's tires get stuck in the mud, it is difficult to drive out. A four-wheel drive vehicle can use the differential lock function to allocate enough torque to the tires to push the vehicle out.

[0026] An upper connecting plate 141 and a lower connecting plate 142 are fixedly connected to the main frame 14 , an upper connecting frame 211 and a lower connecting frame 212 are fixedly connected to the auxiliary frame 21 , the upper connecting plate 141 is hinged to the upper connecting frame 211 , and the lower connecting plate 142 is hinged to the lower connecting frame 212 .

[0027] The lower connecting plate 142 is fixedly connected with a hydraulic seat 5, and two hydraulic seats 5 are provided. The two hydraulic seats 5 are respectively arranged on both sides of the transmission rod 4. A hydraulic cylinder 6 is installed on each hydraulic seat 5. The lower connecting frame 212 is fixedly connected with a seat block 7. The telescopic end of the hydraulic cylinder 6 is connected to the seat block 7. The actions of the two hydraulic cylinders 6 are opposite. When one hydraulic cylinder 6 extends, the other hydraulic cylinder 6 retracts synchronously.

[0028] The two hydraulic cylinders 6 cooperate with each other to effectively control the rotation angle of the auxiliary machine 2, thereby reducing the turning radius of the present application when traveling, improving the applicability of the equipment, and being able to work better in complex terrain.

[0029] The auxiliary machine 2 is fixedly connected to a sub-frame 8, and the spray device 3 includes a water tank 31, a bracket 32 ​​and a spray assembly 33. The water tank 31 is fixedly installed on the sub-frame 8, the spray assembly 33 is movably connected to the bracket 32, and the bracket 32 ​​is rotatably installed on the top of the sub-frame 21.

[0030] The bracket 32 ​​includes a rotating disk 321 and a mounting frame 322 . The rotating disk 321 is rotatably mounted on the top of the auxiliary frame 21 , and the mounting frame 322 is fixedly mounted on the rotating disk 321 .

[0031] The spray assembly 33 includes a wind tube 331 and a nozzle 332. A cone section is formed between the wind tube 331 and the nozzle 332 to increase wind force. The wind tube 331 and the nozzle 332 are fixedly connected. A fan is installed in the wind tube 331. The nozzle 332 is used to spray water. The nozzle 332 is connected to the water tank 31 by a pipe.

[0032] The spray device 3 is provided with a hydraulic drive device, which includes a rotation drive assembly 91 and a spray angle drive assembly 92. One end of the rotation drive assembly 91 is fixedly mounted on the auxiliary frame 21. The telescopic end of the rotation and drive assembly 91 is transmission-connected with the rotating disk 321. The rotation drive assembly 91 drives the rotating disk 321 to rotate. One end of the spray angle drive assembly 92 is movably connected with the rotating disk 321. The other end of the spray angle drive assembly 92 is movably connected with the spray assembly 33. The spray angle drive assembly 92 drives the spray assembly 33 to adjust the spray angle. Both the rotation drive assembly 91 and the spray angle drive assembly 92 are hydraulic.

[0033] It should be noted that the power of the hydraulic cylinder 6, the rotation drive assembly 91 and the spray angle drive assembly 92 are all provided by the power machine 12. This part of the technology belongs to the prior art and those skilled in the art should know that the principle of steering control by the steering wheel 13 in this application is the same as the steering principle of a traditional tractor, so it will not be repeated. At the same time, the power for spraying by the spray assembly 33 comes from the power machine 12. This part of the working principle belongs to the prior art and will not be repeated.

[0034] The power machine 12 includes an engine, which is connected to a gearbox and a hydraulic pump. The structure and principle of the engine connecting the gearbox and the hydraulic pump belong to the prior art and are therefore not repeated here. The hydraulic pump is divided into two groups of outputs, one of which is used to drive the spray device 3 to adjust up and down and rotate, and the other is used to provide power to the two hydraulic cylinders 6. The gearbox is connected to the transfer case, and the transfer case is provided with two groups of power outputs, one of which is used for the front axle of the main power machine 1, and the other is connected to the transmission rod 4 to provide power for the auxiliary engine drive wheel 22.

Claims

1. A dual hydraulically controlled four-wheel drive walking sprayer, characterized in that: The invention comprises a main power machine (1) and an auxiliary machine (2), wherein the auxiliary machine (2) is provided with a spray device (3), the main power machine (1) and the auxiliary machine (2) are movably connected, the main power machine (1) comprises a main drive wheel (11), a power machine (12), a steering wheel (13) and a main frame (14), the auxiliary machine (2) is provided with an auxiliary frame (21) and an auxiliary machine drive wheel (22), the power machine (12) drives the main drive wheel (11) to rotate, the steering wheel (13) is used to control the direction of travel, the power machine (12) is transmission-connected to a transmission rod (4), the transmission rod (4) is transmission-connected to the auxiliary machine drive wheel (22), and the power machine (12) drives the auxiliary machine drive wheel (22) to rotate via the transmission rod (4).

2. A dual hydraulically controlled four-wheel drive walking sprayer according to claim 1, characterized in that: An upper connecting plate (141) and a lower connecting plate (142) are fixedly connected to the main frame (14); an upper connecting frame (211) and a lower connecting frame (212) are fixedly connected to the auxiliary frame (21); the upper connecting plate (141) is hinged to the upper connecting frame (211); and the lower connecting plate (142) is hinged to the lower connecting frame (212).

3. A dual hydraulically controlled four-wheel drive walking sprayer according to claim 2, characterized in that: The lower connecting plate (142) is fixedly connected to a hydraulic seat (5), two hydraulic seats (5) are provided, and the two hydraulic seats (5) are respectively arranged on both sides of the transmission rod (4), and each hydraulic seat (5) is installed with a hydraulic cylinder (6), and the lower connecting frame (212) is fixedly connected to a seat block (7), and the telescopic end of the hydraulic cylinder (6) is connected to the seat block (7). The two hydraulic cylinders (6) have opposite actions, and when one hydraulic cylinder (6) performs an extension action, the other hydraulic cylinder (6) performs a contraction action synchronously.

4. A dual hydraulically controlled four-wheel drive walking sprayer according to any one of claims 1 to 3, characterized in that: The auxiliary machine (2) is fixedly connected to an auxiliary frame (21); the spray device (3) comprises a water tank (31), a bracket (32) and a spray assembly (33); the water tank (31) is fixedly mounted on the auxiliary frame (21); the spray assembly (33) is movably connected to the bracket (32); and the bracket (32) is rotatably mounted on the top of the auxiliary frame (21).

5. A dual hydraulically controlled four-wheel drive walking sprayer according to claim 4, characterized in that: The support (32) comprises a rotating disk (321) and a mounting frame (322); the rotating disk (321) is rotatably mounted on the top of the auxiliary frame (21); and the mounting frame (322) is fixedly mounted on the rotating disk (321).

6. A dual hydraulically controlled four-wheel drive walking sprayer according to claim 5, characterized in that: The spray assembly (33) comprises a wind tube (331) and a spray head (332); a cone section is formed between the wind tube (331) and the spray head (332) for increasing wind force; the wind tube (331) and the spray head (332) are fixedly connected; a fan is installed in the wind tube (331); the spray head (332) is used for spraying water; and a pipeline is connected between the spray head (332) and the water tank (31).

7. A dual hydraulically controlled four-wheel drive walking sprayer according to claim 6, characterized in that: The spray device (3) is equipped with a hydraulic drive device, the hydraulic drive device comprising a rotation drive component (91) and a spray angle drive component (92), the rotation drive component (91) drives the rotating disk (321) to rotate, and the spray angle drive component (92) drives the spray component (33) to adjust the spray angle.

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