A pure electric unmanned intelligent tractor chassis structure

Abstract

The utility model discloses a kind of pure electric unmanned intelligent tractor chassis structure, the purpose is to solve the battery arrangement difficulty, the innovation of driving / PTO double motor, reduce the tractor of single power source simultaneously driving / farm implement work Power shortage problem when. In order to solve the above technical problem, the technical scheme of the utility model is: a kind of pure electric unmanned intelligent tractor chassis structure;It mainly includes frame, cooling water tank, front and rear bracket, motor, controller, battery, hydraulic oil tank, characterized in that: front suspension is arranged at vehicle head, rear suspension is arranged at vehicle tail, cooling water tank is arranged above the front section of frame, PTO / walking motor is arranged in the inner side of middle section of frame, battery is fixedly supported upward by frame support, arranged above the middle section of frame, controller is fixed frame right side by support, hydraulic oil tank is fixed in frame left side by support.

Description

Technical Field This utility model relates to the field of tractor chassis layout, and in particular to a pure electric unmanned intelligent tractor chassis structure. Background Technology

[0001] Currently, most tractors in China are manned tractors with a cab, driven by internal combustion engines or hybrid electric vehicles (engine plus electric motor). There is currently no chassis layout structure for pure electric unmanned intelligent tractors. This layout structure well meets the requirements of innovation, advancement and layout rationality for pure electric unmanned tractors, effectively fills the technical blind spot in the chassis layout of pure electric unmanned intelligent tractors in China, solves the difficulty of battery layout, innovates the dual motors of driving / PTO, and reduces the problem of insufficient power for tractors with a single power source when driving / implementing at the same time. Utility Model Content

[0002] This utility model patent provides a chassis structure for a pure electric unmanned intelligent tractor, which aims to solve the problem of difficult battery placement and the innovation of dual motors for driving / PTO, thereby reducing the problem of insufficient power for tractors with a single power source when driving / implementing simultaneously.

[0003] To solve the above-mentioned technical problems, the technical solution of this utility model is: a pure electric unmanned intelligent tractor chassis structure; mainly including a frame, a cooling water tank, front and rear brackets, a motor, a controller, a battery, and a hydraulic oil tank, characterized in that: the front and rear suspension brackets are respectively arranged at the front and rear of the vehicle, the cooling water tank is arranged above the front section of the frame, the PTO / walking motor is arranged inside the middle section of the frame, the battery is supported and fixed upward by the frame bracket and arranged above the middle section of the frame, the controller is fixed to the right side of the frame by a bracket, and the hydraulic oil tank is fixed to the left side of the frame by a bracket; Further specifying the above technical solution, the other outer side of the chassis where the hydraulic steering dual motors and hydraulic oil tank are arranged are equipped with spaced-apart battery modules, solenoid valve groups, and central control display screens.

[0004] To further define the above technical solution, the installation positions of the hydraulic steering dual motor and the hydraulic oil tank can be connected to the battery module, solenoid valve group, and central control display screen.

[0005] The above technical solution is further specified that when two power batteries are installed, they are arranged longitudinally from front to back.

[0006] To further define the above technical solution, the battery module mainly consists of a battery frame and two batteries. The long side of the battery frame is fixedly connected to the outer web of the longitudinal beam of the vehicle frame. The inner cavity of the battery frame is divided into a left chamber and a right chamber by a partition. The two batteries are located in the left and right chambers, respectively.

[0007] Further defining the above technical solution, the hydraulic steering dual motor, hydraulic oil tank, battery module, solenoid valve group, and central control display screen are fixed on the outer web surface of the vehicle frame longitudinal beam by their respective compatible brackets; To further define the above technical solution, the multi-in-one controller, motor controller, low-voltage controller, DC / DC converter, and the aforementioned controller mounting bracket, in addition to being arranged on the left rear side of the first power battery frame at the front end, can also be arranged below the first power battery when space is insufficient. The above technical solution is further specified that the front bracket can be replaced with a 300-600KG front counterweight when the tractor needs to be equipped with a front counterweight; Further specifying the above technical solution, this arrangement is applicable to small and medium-sized pure electric unmanned intelligent tractors with a power of 50KW-260KW; The beneficial effects of this utility model are: it satisfies the requirements of innovation, advancement and reasonable layout for pure electric unmanned tractors, effectively fills the technical blind spot in the chassis layout of domestic pure electric unmanned intelligent tractors, solves the difficulty of battery layout, innovates the dual motors of driving / PTO, and reduces the problem of insufficient power of tractors with a single power source when driving / implementing at the same time. Attached Figure Description

[0008] Figure 1 This is a side view of the present invention.

[0009] Figure 2 This is a top view of the layout of this utility model.

[0010] Figure 3 This is the second lateral arrangement diagram of this utility model. Detailed Implementation

[0011] like Figure 1 As shown, the main structure of a pure electric unmanned intelligent tractor chassis includes: 1. base plate; 2. front bracket; 3. cooling water tank; 4. front drive axle; 5. PTO motor; 6. travel motor controller; 7. DC / DC converter; 8. low-voltage control box; 9. hydraulic / steering dual-function motor controller; 10. travel motor; 11. power battery; 12. high-voltage control box; 13. steering hydraulic dual-motor; 14. 24V battery; 15. hydraulic oil tank; 16. rear drive axle; and 17. rear suspension.

[0012] like Figure 1 , 2As shown, the feature is that: the front and rear suspension brackets are arranged at the front and rear of the vehicle, the coolant tank is arranged above the front section of the frame, the PTO / walking motor is arranged inside the middle section of the frame, the battery is supported and fixed upward by the frame bracket and arranged above the middle section of the frame, the controller is fixed to the right side of the frame by the bracket, and the hydraulic oil tank is fixed to the left side of the frame by the bracket.

[0013] like Figure 1 As shown, when two batteries are installed, they are arranged longitudinally front and rear; this can make full use of the longitudinal space of the vehicle, improve the utilization rate of battery placement space, effectively increase the vehicle's power capacity, and improve the required driving range.

[0014] like Figure 3 As shown, in Figure 1 Based on this, the control integration bracket is installed below the front battery and behind the cooling fan; the control integration bracket is equipped with a walking motor controller (5), a PTO motor controller (6), a DC / DC converter (7), and a hydraulic / steering dual-function motor controller (9). This arrangement can reduce the lateral layout space of the chassis, and the airflow blown out from behind the cooling fan can dissipate heat for each controller, effectively preventing the controller from overheating.

Claims

1. A chassis structure for a pure electric unmanned intelligent tractor; mainly comprising a frame, a cooling water tank, front and rear brackets, a motor, a controller, a battery, and a hydraulic oil tank, characterized in that: The front and rear suspension brackets are respectively located at the front and rear of the vehicle. The coolant tank is located on the upper part of the front section of the frame, the PTO / walking motor is located on the inner side of the middle section of the frame, the battery is supported and fixed upwards by the frame bracket and located on the upper part of the middle section of the frame, the controller is fixed to the right side of the frame by the bracket, and the hydraulic oil tank is fixed to the left side of the frame by the bracket.

2. The chassis structure of a pure electric unmanned intelligent tractor according to claim 1, characterized in that: When two batteries are installed, they are arranged longitudinally front and rear; this makes full use of the vehicle's longitudinal space, improves the utilization rate of battery placement space, effectively increases the vehicle's battery capacity, and extends the required driving range.

3. The chassis structure of a pure electric unmanned intelligent tractor according to claim 1, characterized in that: The control integration bracket is installed below the front battery and behind the cooling fan. The control integration bracket is equipped with a walking motor controller (5), a PTO motor controller (6), a DC / DC converter (7), and a hydraulic / steering dual-function motor controller (9). This arrangement can reduce the lateral layout space of the chassis. The airflow blown out from behind the cooling fan can dissipate heat for each controller, effectively preventing the controller from overheating.

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