Electric tractor power distribution device with cooperative double electric drive axles

Abstract

The utility model provides an electric tractor power distribution device with coordinated double electric drive axles, which relates to the technical field of electric tractor power distribution devices and comprises a first drive axle body and a second drive axle body. Pressure detection devices are arranged at the positions, close to the edges of the two sides, of the outer surfaces of the first drive axle body and the second drive axle body correspondingly, the four pressure detection devices comprise fixing plates correspondingly, and a plurality of evenly-arranged round holes are formed in the outer surfaces of the four fixing plates correspondingly. According to the device, the pressure detection device is arranged, when the pressure borne by the rubber sleeve is larger, the extrusion of the rubber sleeve on the movable block is larger, at the moment, the deformation generated by the spring is larger, data are transmitted to the electronic controller through the spring force measurement sensor, power is reasonably distributed through the electronic controller, and the power is more stable. The traction force of the electric tractor is optimally distributed, so that the normal running of the electric tractor is ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of power distribution devices for electric tractors, and in particular to a power distribution device for an electric tractor with dual electric drive axles working together. Background Technology

[0002] The power distribution device of an electric tractor is a key component in the transmission system of an electric tractor. It is mainly responsible for rationally distributing the power generated by the electric motor to the drive wheels of the vehicle, ensuring that the vehicle can operate smoothly and efficiently.

[0003] In existing technology, electric tractors with dual electric drive axles are driven by the motors of both drive axles simultaneously outputting the same power. When the electric tractor moves on a steep slope, gravity will cause the vehicle to slide downhill. At this time, the rear wheels of the rear drive axle need more power to increase traction and torque. However, since the two motors output the same power, the traction and torque output of the rear wheels of the rear drive axle are the same as those of the front drive axle. As a result, the vehicle will slip and be unable to climb to the top of the slope, thus preventing the vehicle from driving normally. Utility Model Content

[0004] The purpose of this invention is to solve the problem in the prior art that when an electric tractor moves on a steep slope, the grip and torque output of the rear wheels of the rear drive axle are the same as those of the front drive axle, causing the vehicle to slip and be unable to climb to the top of the slope, thus preventing the vehicle from driving normally. Therefore, this invention proposes a power distribution device for an electric tractor with dual electric drive axles working together.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a power distribution device for an electric tractor with dual electric drive axles, comprising a first drive axle body and a second drive axle body. Pressure detection devices are provided on the outer surfaces of the first drive axle body and the second drive axle body near their respective edges. Each of the four pressure detection devices includes a fixing plate. The outer surfaces of the four fixing plates are provided with a plurality of evenly arranged circular holes. The inner walls of the plurality of circular holes are fixedly connected to a first fixing shaft. The inner walls of the plurality of first fixing shafts are slidably connected to a sliding shaft. The inner walls of the plurality of circular holes are provided with springs. One end of each of the plurality of springs is fixedly connected to a moving block.

[0006] Preferably, the outer surfaces of the plurality of movable blocks are provided with grooves, and the inner walls of the plurality of grooves are provided with spring force sensors.

[0007] Preferably, of the four fixing plates, the inner walls of two of the fixing plates are fixedly connected to the outer surface of the first drive axle body, and the inner walls of the other two fixing plates are fixedly connected to the outer surface of the second drive axle body.

[0008] Preferably, the inner walls of the plurality of circular holes are respectively fixedly connected to the other ends of the plurality of springs, and the outer surfaces of the four fixing plates are all provided with rubber sleeves.

[0009] Preferably, a plurality of uniformly arranged second fixed shafts are fixedly connected to one outer surface of each of the four fixed plates, and a first drive motor is provided on the outer surface of the first drive axle body.

[0010] Preferably, the plurality of second fixed shafts are divided into two groups on average. One end of each of the second fixed shafts in one group is connected to the outer surface of the first drive axle body, and one end of each of the second fixed shafts in the other group is connected to the outer surface of the second drive axle body.

[0011] Preferably, a first power distributor is provided on the outer surface of the first drive motor, and a first vehicle speed sensor is provided on the outer surface of the first drive axle body.

[0012] Preferably, a second drive motor is provided on the outer surface of the second drive axle body, and a second power distributor is provided on the outer surface of the second drive motor.

[0013] Preferably, a second vehicle speed sensor is provided on the outer surface of the second drive axle body, and two connecting plates are provided between the outer surfaces of the first drive axle body and the second drive axle body.

[0014] Preferably, a gravity sensor is provided between the opposing inner walls of the two connecting plates, and an electronic controller is provided on the top of the two connecting plates.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0016] 1. In this utility model, the device is equipped with a pressure detection device. When the electric tractor moves uphill, it will cause the rubber sleeve on the second drive axle body to contact the ground. At this time, the rubber sleeve located at the rear will be subjected to a greater force from the ground, which will drive the moving block to move. The greater the pressure on the rubber sleeve, the greater the compression of the moving block by the rubber sleeve, and the greater the deformation of the spring. The data is then transmitted to the electronic controller through the spring force sensor. The electronic controller activates the first power distributor and the second power distributor to reasonably distribute the power, so as to optimize the traction force of the electric tractor and ensure the normal operation of the electric tractor.

[0017] 2. In this utility model, the device uses a rubber sleeve to enclose the moving block. The rubber sleeve has good shock absorption performance, which can absorb impact force, reduce the impact on the moving block during rotation, and extend the service life of the moving block, thereby ensuring the long-term normal use of the power distribution device of the electric tractor with dual electric drive axles. Attached Figure Description

[0018] Figure 1 A front perspective perspective view of a power distribution device for an electric tractor with dual electric drive axles in cooperation with this utility model;

[0019] Figure 2 A front perspective view of the first drive axle body of an electric tractor power distribution device with dual electric drive axles in cooperation is presented in this utility model.

[0020] Figure 3 A front perspective view of the second fixed axis of a power distribution device for an electric tractor with dual electric drive axles in cooperation is provided for this utility model.

[0021] Figure 4 A three-dimensional cross-sectional view of the rubber sleeve structure of the power distribution device for an electric tractor with dual electric drive axles is presented in this utility model.

[0022] Figure 5 A frontal perspective view of the circular hole of the power distribution device for an electric tractor with dual electric drive axles in cooperation is provided for this utility model.

[0023] Figure 6 A three-dimensional cross-sectional view of the fixed plate portion of the power distribution device for an electric tractor with dual electric drive axles is provided for this utility model.

[0024] Figure 7 A frontal perspective view of a spring in an electric tractor power distribution device with dual electric drive axles for the present invention;

[0025] Figure 8 A frontal perspective view of the moving block of a power distribution device for an electric tractor with dual electric drive axles in cooperation with this utility model;

[0026] Figure 9 A frontal perspective perspective view of a spring force sensor for a power distribution device of an electric tractor with dual electric drive axles in cooperation with this utility model;

[0027] Figure 10 This utility model presents a front perspective perspective view of the connecting plate of an electric tractor power distribution device with dual electric drive axles.

[0028] Legend: 1. First drive axle body; 2. Second drive axle body; 3. Pressure detection device; 301. Fixing plate; 302. Circular hole; 303. First fixed shaft; 304. Sliding shaft; 305. Spring; 306. Moving block; 307. Groove; 308. Spring force sensor; 309. Rubber sleeve; 310. Second fixed shaft; 4. First drive motor; 5. First power distributor; 6. First vehicle speed sensor; 7. Second drive motor; 8. Second power distributor; 9. Second vehicle speed sensor; 10. Connecting plate; 11. Gravity sensor; 12. Electronic controller. Detailed Implementation

[0029] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0030] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0031] Example 1: As Figures 1-10As shown, this utility model provides a power distribution device for an electric tractor with dual electric drive axles, including a first drive axle body 1 and a second drive axle body 2. Pressure detection devices 3 are provided on the outer surfaces of both the first and second drive axle bodies 1 and 2 near their respective edges. Each of the four pressure detection devices 3 includes a fixing plate 301. The outer surfaces of the four fixing plates 301 are provided with multiple evenly arranged circular holes 302. First fixing shafts 303 are fixedly connected to the inner walls of the multiple circular holes 302. Sliding shafts 304 are slidably connected to the inner walls of the multiple first fixing shafts 303. Springs 305 are provided on the inner walls of the multiple circular holes 302. Moving blocks 306 are fixedly connected to one end of each spring 305. Grooves 307 are provided on the outer surfaces of the multiple moving blocks 306. Spring force sensors 308 are provided on the inner walls of the multiple grooves 307. Two of the four fixing plates 301 have their inner walls flush with the outer surface of the first drive axle body 1. The first drive axle body 1 is fixedly connected to the outer surface of the first drive axle body 1, and the inner walls of the other two fixed plates 301 are fixedly connected to the outer surface of the second drive axle body 2. The multiple second fixed shafts 310 are evenly divided into two groups. One end of the second fixed shafts 310 in one group is connected to the outer surface of the first drive axle body 1, and one end of the second fixed shafts 310 in the other group is connected to the outer surface of the second drive axle body 2. The outer surface of the first drive motor 4 is provided with a first power distributor 5. The outer surface of the first drive axle body 1 is provided with a first vehicle speed sensor 6. The outer surface of the second drive axle body 2 is provided with a second drive motor 7. The outer surface of the second drive motor 7 is provided with a second power distributor 8. The outer surface of the second drive axle body 2 is provided with a second vehicle speed sensor 9. Two connecting plates 10 are provided between the outer surfaces of the first drive axle body 1 and the second drive axle body 2. A gravity sensor 11 is provided between the opposing inner walls of the two connecting plates 10. An electronic controller 12 is provided on the top of the two connecting plates 10.

[0032] The overall effect of Embodiment 1 is that, when a dual-drive axle cooperative electric tractor power distribution device is in use, when the electric tractor is driving normally, the first drive motor 4 drives the first drive axle body 1 to start, and the second drive motor 7 drives the second drive axle body 2 to start, thereby moving the electric tractor. The drive axle is an important component of the vehicle transmission system, mainly responsible for transmitting the power generated by the electric motor to the wheels, thereby driving the vehicle forward. This is known technology and will not be explained in detail. At this time, the electric tractor will drive the fixed plate 301 to rotate, and the fixed plate 301 will drive the multiple round holes 302 and the rubber sleeve 309 to rotate. The multiple round holes 302 will drive the... The first fixed shaft 303 and spring 305 rotate, causing the sliding shaft 304 to rotate, which in turn causes the moving block 306 to rotate. When the rubber sleeve 309 rotates, because the electric tractor is moving normally, it comes into contact with the ground, feeling the pressure from the ground. This causes the rubber sleeve 309 to press against the internal moving block 306, which in turn presses against the spring 305. Simultaneously, the moving block 306 causes the sliding shaft 304 to slide along the inner wall of the first fixed shaft 303 into the circular hole 302. When the electric tractor is climbing a slope, the first drive axle body 1... Located at the front and the second drive axle body 2 at the rear, the second drive axle body 2 experiences greater pressure due to gravity causing the vehicle to slide downwards. Consequently, the rubber sleeve 309 at the rear experiences greater pressure than the rubber sleeve 309 at the front. Greater pressure on the rubber sleeve 309 causes the moving block 306 to move more. This compression causes the sliding shaft 304 to slide towards the inner wall of the first fixed shaft 303. Simultaneously, the movement of the moving block 306 causes the spring 305 to deform. The spring force sensor 308 detects this deformation. The more the moving block 306 moves, the more the spring 305 deforms. The greater the deformation data of 05, the more the multiple spring force sensors 308 transmit the detected data to the electronic controller 12. The electronic controller 12 will detect that the greater the pressure at the rear, the more power is needed. Therefore, it will activate the first power distributor 5 and the second power distributor 8 respectively to distribute the power reasonably, giving more power to the second power distributor 8, so that the electric tractor can climb the slope. This solves the problem that when the electric tractor moves on a steep slope, the grip and torque output of the rear wheel of the rear drive axle are the same as those of the front drive axle, and the vehicle will slip and be unable to climb to the top of the slope, thus causing the vehicle to be unable to drive normally.

[0033] Example 2: Figures 1-10As shown, the inner walls of multiple circular holes 302 are fixedly connected to the other ends of multiple springs 305 respectively. The outer surfaces of the four fixing plates 301 are all provided with rubber sleeves 309. Multiple uniformly arranged second fixing shafts 310 are fixedly connected to one side of the outer surface of the four fixing plates 301. The outer surface of the first drive axle body 1 is provided with a first drive motor 4.

[0034] The overall effect of Embodiment 2 is that, when a power distribution device for an electric tractor with dual electric drive axles is in use, the pressure of the electric tractor is applied to the rubber sleeve 309. As a result, when the rubber sleeve 309 comes into contact with the bottom surface, the rubber sleeve 309 deforms. By setting the rubber sleeve 309, the moving block 306 is wrapped inside the rubber sleeve 309. The rubber sleeve 309 is an outer cover made of rubber material, which has good shock absorption performance and can absorb impact force. It is a known technology and will not be explained in detail. This reduces the impact on the moving block 306 during rotation, extends the service life of the moving block 306, and thus ensures the long-term normal use of the power distribution device for the electric tractor with dual electric drive axles.

[0035] Working Principle: In the operation of a dual-drive axle coordinated electric tractor power distribution device, when the electric tractor is climbing a slope, gravity causes the vehicle to slide downhill. The greater the pressure on the rear second drive axle body 2, the greater the pressure on the rear rubber sleeve 309. The rubber sleeve 309 absorbs impact force, reducing the impact on the moving block 306 during rotation and extending its service life. The greater the pressure on the rubber sleeve 309, the more the moving block 306 moves. This compression causes the sliding shaft 304 to slide towards the inner wall of the first fixed shaft 303, simultaneously moving... When block 306 moves, it causes spring 305 to deform. At this time, spring force sensor 308 will detect the deformation data of spring 305. The more block 306 moves, the greater the deformation data of spring 305. At this time, multiple spring force sensors 308 transmit the detected data to electronic controller 12. Electronic controller 12 will detect that the pressure at the rear is greater and more power source is needed. Therefore, it will make reasonable power distribution and give more power to the second power distributor 8, so that the electric tractor can climb the hill. This optimizes the traction force distribution of the electric tractor and ensures the normal operation of the electric tractor.

[0036] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A dual electric drive axle cooperative electric traction vehicle power distribution device, comprising a first drive axle body (1) and a second drive axle body (2), characterized in that: The outer surfaces of the first drive axle body (1) and the second drive axle body (2) are provided with pressure detection devices (3) near the two side edges, four of the pressure detection devices (3) comprise fixing plates (301), the outer surfaces of the four fixing plates (301) are provided with a plurality of uniformly arranged circular holes (302), the inner walls of the plurality of circular holes (302) are fixedly connected with first fixed shafts (303), the inner walls of the plurality of first fixed shafts (303) are slidably connected with sliding shafts (304), the inner walls of the plurality of circular holes (302) are provided with springs (305), and one ends of the plurality of springs (305) are fixedly connected with moving blocks (306).

2. The power distribution device of an electrically driven vehicle with two electric drive axles according to claim 1, characterized in that: The outer surfaces of the plurality of moving blocks (306) are provided with grooves (307), and the inner walls of the plurality of grooves (307) are provided with spring force sensors (308).

3. The power distribution device of an electrically driven vehicle with two electric drive axles according to claim 1, characterized in that: The inner walls of two of the four fixing plates (301) are fixedly connected with the outer surface of the first drive axle body (1), and the inner walls of the other two fixing plates (301) are fixedly connected with the outer surface of the second drive axle body (2).

4. The power distribution device of an electrically driven vehicle with two electric drive axles according to claim 1, characterized in that: The inner walls of the plurality of circular holes (302) are fixedly connected with the other ends of the plurality of springs (305), and the outer surfaces of the four fixing plates (301) are provided with rubber sleeves (309).

5. The power distribution device for an electrically towed vehicle with coordinated dual electric drive axle according to claim 1, characterized in that: The outer surfaces of the four fixing plates (301) are fixedly connected with a plurality of uniformly arranged second fixed shafts (310), and the outer surface of the first drive axle body (1) is provided with a first drive motor (4).

6. The power distribution device for an electrically towed vehicle with two electrically driven axles according to claim 5, characterized in that The plurality of second fixed shafts (310) are divided into two groups, one end of the second fixed shafts (310) in one group is connected with the outer surface of the first drive axle body (1), and one end of the second fixed shafts (310) in the other group is connected with the outer surface of the second drive axle body (2).

7. The power distribution device of an electrically driven vehicle with two electric drive axles according to claim 5, characterized in that: The outer surface of the first drive motor (4) is provided with a first power distributor (5), and the outer surface of the first drive axle body (1) is provided with a first vehicle speed sensor (6).

8. The power distribution device of an electrically driven vehicle with two electric drive axles according to claim 1, characterized in that: The outer surface of the second drive axle body (2) is provided with a second drive motor (7), and the outer surface of the second drive motor (7) is provided with a second power distributor (8).

9. The power distribution device of an electrically towed vehicle with coordinated dual electric drive axle according to claim 1, characterized in that: The outer surface of the second drive axle body (2) is provided with a second vehicle speed sensor (9), and the outer surfaces of the first drive axle body (1) and the second drive axle body (2) are provided with two connecting plates (10).

10. The electrically driven vehicle power distribution device according to claim 9, wherein: The opposite inner walls of the two connecting plates (10) are provided with a gravity sensor (11), and the top of the two connecting plates (10) is provided with an electronic controller (12).

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