CN212667098U

CN212667098U - Electric drive tractor

Info

Publication number: CN212667098U
Application number: CN202021540984.XU
Authority: CN
Inventors: 贾保群
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-03-09
Anticipated expiration: 2030-07-29

Abstract

The utility model provides an electric drive tractor, which comprises a storage battery; the storage battery is arranged on the lower side of a machine cover at the head of the tractor and is connected to the motor controller through a cable, the controller is connected with the traveling motor through a cable, a belt pulley is connected to an output shaft of the traveling motor, and power is transmitted to a power input shaft of the tractor through a belt; is transmitted to a driving wheel through a gearbox; the pneumatic brake system comprises an air pump driving motor, an air compressor, an air storage tank and a driving motor control switch. The utility model uses the electric energy stored in the storage battery as the power source of the vehicle to replace the fuel oil in the traditional technology, thereby realizing the reduction of harmful gas emission, no tail gas pollution and no heat dissipation source, and protecting the environment; the pressure in the air storage tank is increased, and after the set pressure is reached, the pressure switch is closed, the air pump driving motor does not run any more, so that the air compressor stops running; the effect of saving energy is achieved.

Description

Electric drive tractor

Technical Field

The utility model belongs to the technical field of the tractor, specifically belong to an electric drive tractor.

Background

Under the large environment with increasing attention to environmental protection requirements, in the prior art, a tractor using a fuel engine as a power source discharges waste gas, the waste gas contains various harmful gases, soot and noise which are environmental pollution nuisance, and a waste gas treatment device is required to be additionally arranged, so that the cost of the tractor is increased; moreover, if unqualified waste gas treatment devices are used, the waste gas treatment effect cannot be achieved, and the pollution to the environment is caused; as a traditional tool, a tractor has been conceived to replace an original energy source with a new energy source, for example, chinese patent document CN106080182A discloses a small electric tractor, which has a specific technical scheme: a power conversion device is arranged in the tractor head box; the power conversion device is provided with a power output working wheel; the power output working wheel extends out of the front surface of the tractor head box; the power output working wheel is connected with a traction wheel of a tractor by a V-belt; a storage battery is arranged below the seat; a power supply control box is arranged on the right side of the tractor head box; the storage battery is connected with the power supply control box by one group of wires, and the power supply control box is connected with the motor by the other group of wires. In this patent document, a small electric tractor is provided, and each component of the small electric tractor is not suitable for a medium-sized tractor and a large-sized tractor, and the medium-sized tractor and the large tractor are required to be high in driving force and load bearing, so that the conventional medium-sized tractor and large tractor does not use electric energy to replace an original fuel engine.

Disclosure of Invention

The utility model provides a pair of electric drive tractor to reach no environmental pollution, drive power is big, purpose that carrying weight is high.

An electric drive tractor comprises a chassis and electric equipment, and is characterized by also comprising a storage battery; the storage battery is arranged on the lower side of a machine cover at the head of the tractor and is connected to the motor controller through a cable, the controller is connected with the traveling motor through a cable, a belt pulley is connected to an output shaft of the traveling motor, and power is transmitted to a power input shaft of the tractor through a belt; is transmitted to a driving wheel through a gearbox;

the electric drive tractor also comprises a pneumatic brake system, wherein the pneumatic brake system comprises an air pump drive motor, an air compressor, an air storage tank and a drive motor control switch; the air pump driving motor is connected with an air compressor through a belt, and an air passage of the air compressor is connected to an air storage tank; the air pump driving motor and the pressure switch in the air storage tank are connected to the motor control device through signals; the air outlet pipeline of the air storage tank is connected to a master cylinder of the brake, and when a driver steps on a brake pedal, compressed air in the air storage tank is conveyed to a brake cylinder of the trailer through the pipeline.

Furthermore, the storage battery is fixed on the front frame through a battery mounting frame.

Furthermore, the storage battery mounting rack is divided into an upper layer and a lower layer.

Furthermore, the walking motor is arranged at the lower side of the seat through the mounting seat and the mounting bracket.

Further, the mounting seat is a bottom plate, and a long round hole is formed in the mounting seat; the mounting bracket is L-shaped, the lower side of the mounting bracket is mounted in the oblong hole through a bolt, and the traveling motor is fixed on the side vertical plate through the bolt.

Furthermore, the storage battery is connected with a charger, and the charger is arranged between the storage battery and the steering wheel.

The utility model has the advantages that:

(1) the utility model uses the electric energy stored in the storage battery as the power source of the vehicle to replace the fuel oil in the traditional technology, thereby realizing the reduction of harmful gas emission, no tail gas pollution and no heat dissipation source, and protecting the environment;

(2) the electric power is used as a power source, and the electric energy is converted into kinetic energy through the motor for use, so that when the tractor runs, the noise is low, a driver is protected from being influenced by the noise, and meanwhile, the environment is also protected from being influenced by the noise;

(3) in the application, the pneumatic brake system adopts an air compressor, and an air pump drives a motor and an air storage tank; when the brake is used, when the pressure in the air storage tank is reduced to the lower pressure limit set by the pressure switch; the pressure switch is switched on, the air pump driving motor drives the air compressor to operate, so that the pressure in the air storage tank is increased, the pressure switch is switched off after the set pressure is reached, the air pump driving motor does not operate any more, and the air compressor stops operating; in the prior art, the brake system is powered by fuel oil, and as long as the tractor is started, no matter whether the brake is applied or not, the air pump can always run, so that the utility model also achieves the effect of saving energy;

(4) in the utility model, the electric energy is used as the energy source, and the motor has the advantages of faster power output response, low rotating speed and large torque, thereby improving the application efficiency of the tractor; and the use cost is lower. The running and maintenance are simple and convenient, the starting performance is good, and the full-load operation can be carried out in a short time.

(5) The storage battery is fixed at the head of the tractor through a battery fixing frame, the motor and the controller are arranged below the driver seat, so that all space of the tractor is fully utilized, the motor and the controller are arranged below the driver seat, so that the front space of the tractor can be vacated for placing the battery, more batteries are accommodated, and the endurance mileage of the tractor is improved; and this kind of laying position is located the driving belt between wheel and the gearbox to the belt is shorter, effectively protects driver's safety, puts the battery in the head again, can play the effect of weighing the locomotive, prevents that the tractor from when pulling the goods, and the locomotive upwards perks.

Drawings

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

fig. 2 is a schematic rear view of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the installation of the walking motor of the present invention;

fig. 5 is a schematic view of another viewing angle for mounting the walking motor of the present invention.

In the figure: 1. a drive wheel; 2. a steering wheel; 3. a steering wheel; 4. a shift lever; 5. a storage battery; 6. a motor controller; 7. a controller; 8. a travel motor; 8.1, mounting seats; 8.2, mounting a bracket; 9. a belt pulley; 10. a first belt; 11. a gearbox; 12. the air pump drives the motor; 13. an air compressor; 14. a gas storage tank; 15, driving a motor control switch; 16. a second belt; 17. a charger.

Detailed Description

Referring to the drawings, the utility model provides an electric drive tractor, including the chassis, electrical equipment, the chassis all is the same with prior art with electrical equipment, has still included drive wheel 1, directive wheel 2, steering wheel 3 and gear shift lever 4, its characterized in that, still including battery 1, battery 5 set up the cover downside at the tractor head to through cable junction to motor controller 6, the controller is the AC control ware model and is: an ac controller 3528; the storage battery 5 is fixed on the front frame through a fixing frame, and the mounting frame of the storage battery 5 is divided into an upper layer and a lower layer; for example, when 12 storage batteries are arranged, 7 storage batteries are arranged on the lower side, and 5 storage batteries are arranged on the upper side to adapt to the shape of the head of the tractor;

the controller 7 is connected with a traveling motor 8 through a cable, a belt pulley 9 is connected to an output shaft of the traveling motor 8, and power is transmitted to a power input shaft of a tractor through a belt I10; transmitted to the driving wheel 1 through the gear box 11; the walking motor 8 is arranged on the lower side of the seat through an installation seat 8.1 and an installation support 8.2, the installation seat 8.1 is a bottom plate, and a long round hole is formed in the bottom plate and can be used for adjusting the tightness of the first belt 10; the mounting bracket 8.2 is L-shaped, the lower side of the mounting bracket is mounted in the oblong hole by a bolt, and the traveling motor 8 is fixed on the side vertical plate by the bolt;

the structure from the power input shaft of the tractor to the gearbox 11 is the same as the corresponding structure in the tractor in the prior art;

electric drive tractor, still including pneumatic braking system, pneumatic braking system including air pump driving motor 12, air compressor 13, gas holder 14, driving motor control switch 15, the model: FBANG vertical switches; the air pump driving motor 12 is connected with an air compressor 13 through a second belt 16, and the air compressor 13 is connected with an air storage tank 14 in an air path; the air pump driving motor 12 and the pressure switch in the air storage tank are connected to the motor control device 15 through signals; the air tank outlet line is connected to the master cylinder, and when the driver depresses the brake pedal, the compressed air in the air tank 14 is delivered to the brake cylinder of the trailer through the line for braking and decelerating the vehicle. The electric equipment in the pneumatic brake system is connected to the storage battery, and the storage battery supplies power to the electric equipment.

The storage battery is connected with a charger 17, and the charger 17 is installed on a tractor frame between the storage battery and the steering wheel 3.

With the key start the utility model discloses a behind the electric drive tractor, when the pressure in the gas holder 14 was less than the atmospheric pressure lower limit of setting for among the motor control device, the pressure switch on the gas holder 14 was opened, by air compressor 13 to inputing highly-compressed air in the gas holder 14, when pressure reached the atmospheric pressure upper limit of setting for among the driving motor control switch 15 in the gas holder 14, pressure switch closed, and air pump driving motor 12 stops to drive air compressor 13, and air compressor 13 stop work.

When a driver steps on a brake pedal, compressed air in the air storage tank 14 is conveyed to the brake cylinder, then an action component and a structural component are the same as the structure of the pneumatic brake part of the existing fuel oil tractor, a push rod of the brake cylinder is pushed forwards, the cam is rotated by an angle through adjusting the back, and the brake shoe is spread and rubbed with a brake shoe to achieve the brake effect.

Claims

1. An electric drive tractor comprises a chassis and electric equipment, and is characterized by also comprising a storage battery; the storage battery is arranged on the lower side of a machine cover at the head of the tractor and is connected to the motor controller through a cable, the controller is connected with the traveling motor through a cable, a belt pulley is connected to an output shaft of the traveling motor, and power is transmitted to a power input shaft of the tractor through a belt; is transmitted to a driving wheel through a gearbox;

the electric drive tractor also comprises a pneumatic brake system, wherein the pneumatic brake system comprises an air pump drive motor, an air compressor, an air storage tank and a drive motor control switch; the air pump driving motor is connected with an air compressor through a belt, and an air passage of the air compressor is connected to an air storage tank; the air pump driving motor and the pressure switch in the air storage tank are connected to the motor control device through signals; the air outlet pipeline of the air storage tank is connected to the brake master cylinder.

2. The electrically driven tractor as claimed in claim 1, wherein the battery is secured to the front frame by a battery mount.

3. The electrically driven tractor as claimed in claim 1, wherein said battery mount is divided into upper and lower tiers.

4. The electrically driven tractor as claimed in claim 1, wherein said traveling motor is mounted to the underside of the seat by means of a mounting seat and a mounting bracket.

5. The electrically driven tractor according to claim 4, wherein the mounting seat is a bottom plate and is provided with a slotted hole; the mounting bracket is L-shaped, the lower side of the mounting bracket is mounted in the oblong hole through a bolt, and the traveling motor is fixed on the side vertical plate through the bolt.

6. The electrically driven tractor as claimed in claim 1, wherein a charger is connected to the battery, the charger being mounted between the battery and the steering wheel.