Tractor inflation and deflation system and tractor

Abstract

The utility model provides a tractor inflating and deflating system and a tractor, the tractor inflating and deflating system comprises a control valve group, an air source, a plurality of wheel side valves, a plurality of tires, a front axle and a rear axle, the control valve group is respectively connected with the air source and the plurality of wheel side valves through pipelines; the plurality of wheel side valves are respectively connected with the plurality of tires, and the plurality of tires are respectively arranged on the front axle and the rear axle.

Description

TECHNICAL FIELD

[0001] The utility model relates to tractor inflation and deflation technical field especially relates to a tractor inflation and deflation system and tractor. BACKGROUND

[0002] The agricultural tractor needs to carry out soil field operation and road transportation operation, in the field operation process, low pressure has the effect of increasing the contact area of tire and soil, thereby reducing soil compaction and increasing field traction, and after reducing the tire subsidence, the soil wedge angle in the field is reduced, thereby further reducing the soil resistance. Low pressure also has the effect of reducing tire slip in field operation, thereby further increasing the traction and reducing fuel consumption. In road transportation operation, high pressure has the effect of reducing fuel consumption rate and reducing tire wear. Under road conditions, the rolling resistance is reduced, the fuel consumption rate is reduced, the tire wear is reduced, and the tire deflection is reduced in high-speed transportation operation, thereby reducing the internal friction heat of tire and reducing the risk of tire burst. The existing condition is generally to manually adjust the tire pressure, but because the agricultural machinery frequently switches between road and soil operation, manual adjustment is cumbersome. Or use a kind of intermediate pressure mode, the road and the field cannot obtain the best tire working condition. SUMMARY

[0003] The utility model solves the technical problem in the prior art and provides a tractor inflation and deflation system and tractor.

[0004] The utility model discloses a technical scheme for solving the above technical problem: a tractor inflation and deflation system, comprising: a control valve group, an air source, a plurality of wheel edge valves, a plurality of tires, a front axle and a rear axle, the control valve group is connected with the air source and a plurality of wheel edge valves through pipelines, a plurality of wheel edge valves are connected with a plurality of tires, and a plurality of tires are installed on the front axle and the rear axle.

[0005] The utility model discloses a technical scheme for solving the above technical problem: a tractor inflation and deflation system, comprising: a control valve group, an air source, a plurality of wheel edge valves, a plurality of tires, a front axle and a rear axle, the control valve group is connected with the air source and a plurality of wheel edge valves through pipelines, a plurality of wheel edge valves are connected with a plurality of tires, and a plurality of tires are installed on the front axle and the rear axle.

[0006] Further, the control valve group is provided with a quick deflation port and a slow deflation port; the control valve group is provided with a pressure sensor.

[0007] The beneficial effect of the further technical scheme is that the control valve group is provided with a pressure sensor, which can monitor the tire pressure.

[0008] Further, the front axle is provided with a front axle seal, and the rear axle is provided with a rear axle seal; the plurality of wheel edge valves are connected to the plurality of tires through air valves.

[0009] The beneficial effect of the further technical scheme is that the air pressure sealing device (the front axle seal and the rear axle seal) is built-in the front axle and the rear axle, so that it is more tidy and beautiful. The sealing built-in type is adopted, so that the pipeline arrangement is more beautiful.

[0010] Further, the front axle and the rear axle are provided with a gas input interface and a gas output interface, the control valve group is connected to the gas input interface, and the gas output interface rotates with the tire.

[0011] The beneficial effect of the further technical scheme is that the front axle seal and the rear axle seal are built-in the front axle and the rear axle, the gas input interface of the front axle and the rear axle is fixed, the gas output interface rotates with the tire, so as to play the role of gas sealing and airway, and transmission oil exists in the front axle and the rear axle, the front axle seal and the rear axle seal can isolate the gas path and the transmission oil. The wheel edge valve has the function of controlling the on-off of the gas.

[0012] Further, the control valve group is connected to a controller, and the controller is connected to a display.

[0013] The beneficial effect of the further technical scheme is that when the control requirement of the display is received, the gas in the gas source is distributed, is transmitted to the wheel edge valve group through sealing, and is adjusted in pressure through the wheel edge valve group. The display is used to adjust the tire pressure.

[0014] Further, the controller is connected to an ISOBUS connector, and the control valve group is connected to a gas output connector.

[0015] The beneficial effect of the further technical scheme is that the ISOBUS connector can realize the data communication between the whole tractor and the agricultural implement, including the agricultural trailer. The gas output connector and the ISOBUS can be connected to the trailer or the agricultural implement, so as to adjust the air pressure of the corresponding trailer or agricultural implement.

[0016] In addition, the utility model also provides a tractor, including the tractor inflation and deflation system of any one of the above.

[0017] The agricultural tractor tire inflation and deflation system has the beneficial effects that the agricultural tractor driving stability and operation efficiency are improved, the tire abrasion is reduced, and the soil compaction is reduced.

[0018] The advantages of the additional aspects of the utility model will be partially given in the following description, some will become apparent from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structure schematic diagram of the tractor inflation and deflation system provided by the utility model embodiment is provided.

[0020] Figure 2 A schematic flow block diagram of the tractor inflation and deflation method provided by the utility model embodiment is provided.

[0021] The figure number explanation is as follows: 1, control valve group; 2, gas source; 3, wheel edge valve; 4, tire; 5, quick deflation port; 6, slow deflation port; 7, front axle seal; 8, rear axle seal; 9, gas valve; 10, controller; 11, display; 12, ISOBUS connector; 13, gas output connector. DETAILED DESCRIPTION

[0022] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used for explaining the utility model and are not used for limiting the scope of the utility model.

[0023] As Figure 1 The utility model embodiment provides a tractor inflation and deflation system, which comprises: a control valve group 1, a gas source 2, a plurality of wheel edge valves 3, a plurality of tires 4, a front axle and a rear axle, the control valve group 1 is connected with the gas source 2 and a plurality of wheel edge valves 3 through pipelines respectively, a plurality of wheel edge valves 3 are connected with a plurality of tires 4 respectively, and a plurality of tires 4 are installed on the front axle and the rear axle respectively.

[0024] The agricultural tractor tire inflation and deflation system has the beneficial effects that the agricultural tractor driving stability and operation efficiency are improved, the tire abrasion is reduced, and the soil compaction is reduced.

[0025] Figure 1The dashed line in the figure is signal transmission.

[0026] The utility model discloses a tractor inflation and deflation system can be a set of automatic tire adjusting system, improve agricultural tractor driving stability and operation efficiency, reduce tire wear, with soil compaction. When receiving the control demand of display, the gas in the gas source is distributed, and the pressure is adjusted through the wheel edge valve group through the sealing (front axle sealing and rear axle sealing) to the wheel edge valve group (wheel edge valve). The gas pressure sealing device (front axle sealing and rear axle sealing) is built-in in the front axle and rear axle, so that it is more neat and beautiful.

[0027] The utility model discloses a gas source, control valve group, controller, display, front axle sealing, rear axle sealing, wheel edge valve, tire, gas nozzle, gas output connector, ISOBUS connector etc. Control valve group is built-in pressure sensor, can monitor the tire pressure. On control valve group, there is a quick deflation port, also has a slow deflation port. The front axle sealing and rear axle sealing are built-in in the front axle and rear axle, and the gas input interface is fixed, and the gas output interface rotates with the tire, so as to play the role of gas sealing and gas passage, and there is transmission oil in the front axle and rear axle, and the front axle sealing and rear axle sealing can isolate the gas circuit and transmission oil. The wheel edge valve has the control gas on-off effect. ISOBUS interface (ISOBUS connector) can realize the data communication of tractor whole vehicle and agricultural implement, including agricultural trailer.

[0028] As shown in Figure 1 Further, the control valve group 1 is provided with a quick deflation port 5 and a slow deflation port 6; the control valve group 1 is built-in with a pressure sensor.

[0029] The beneficial effects of the above further technical scheme are that the control valve group is built-in with a pressure sensor, which can monitor the tire pressure. There is a quick deflation port and a slow deflation port on the control valve group. It is convenient to control the inflation and deflation of the control valve group.

[0030] As shown in Figure 1 Further, the front axle is built-in with a front axle sealing 7, and the rear axle is built-in with a rear axle sealing 8; a plurality of wheel edge valves 3 are connected with a plurality of tires 4 through gas nozzles 9.

[0031] The beneficial effects of the above further technical scheme are that the gas pressure sealing device (front axle sealing and rear axle sealing) is built-in in the front axle and rear axle, so that it is more neat and beautiful. The sealing is built-in, so that the pipeline arrangement is more beautiful.

[0032] As shown in Figure 1 Further, the front axle and the rear axle are provided with a gas input interface and a gas output interface, the control valve group 1 is connected with the gas input interface, and the gas output interface rotates with the tire 4.

[0033] The beneficial effect of the further technical solution is that the front axle seal and the rear axle seal are built in the front axle and the rear axle, the gas input interface of the front axle and the rear axle is fixed, and the gas output interface rotates with the tire, thereby playing the role of gas sealing and gas passage, and transmission oil exists in the front axle and the rear axle, and the front axle seal and the rear axle seal can isolate the gas passage from the transmission oil.

[0034] As shown in Figure 1 Further, the control valve group 1 is connected with a controller 10, and the controller 10 is connected with a display 11.

[0035] The beneficial effect of the further technical solution is that when the control demand of the display is received, the gas in the gas source is distributed and transmitted to the wheel valve group through sealing, and the wheel valve group adjusts the gas pressure.

[0036] It should be noted that the control method of the controller is prior art, and those skilled in the art can easily think of how to program and realize according to actual needs, which will not be repeated here.

[0037] As shown in Figure 1 Further, the controller 10 is connected with an ISOBUS connector 12, and the control valve group 1 is connected with a gas output connector 13.

[0038] The beneficial effect of the further technical solution is that the ISOBUS connector can realize data communication between the whole tractor and the agricultural implement, including agricultural trailers.

[0039] In addition, the utility model provides a tractor, including the tractor inflation and deflation system of any one described above.

[0040] The beneficial effect of the technical solution of the utility model is that the agricultural tractor driving stability and operation efficiency are improved, the tire wear is reduced, and the soil is compacted. The agricultural tire is adjusted by the tire pressure, thereby increasing the traction in the field operation, reducing the fuel consumption, reducing the soil compaction, reducing the tire wear, reducing the fuel consumption, and reducing the tire deformation at high speed, thereby reducing the internal heat and reducing the risk of tire burst.

[0041] As shown in Figure 2The utility model discloses also provide a tractor inflation and deflation method, a tractor inflation and deflation system based on any one of above, and the tractor inflation and deflation method includes: S1, when tractor enters the road from field, obtains the first target air pressure of user input;S2, according to the first target air pressure, control control valve group is guided to the gas in the gas source to multiple wheel edge valves, so that multiple wheel edge valves open;S3, multiple wheel edge valves fill gas into multiple tires respectively, until the air pressure of multiple tires reaches the first target air pressure;S4, when tractor enters field from road, obtains the second target air pressure of user input;S5, according to the second target air pressure, control control valve group is guided to the gas in the gas source to multiple wheel edge valves, so that multiple wheel edge valves open;S6, control valve group closes the gas source, and opens slow deflation port, until the air pressure of multiple tires reaches the second target air pressure.

[0042] The beneficial effects of the technical scheme of the utility model are: when entering the road from field, the tire needs to be inflated, at this time, the driver touches the key of the display, the display transmits signals to the control valve group, the control valve group guides the gas in the gas source to the front axle seal and the rear axle seal, the gas is transmitted to the wheel edge valve through the front axle seal, at this time, the wheel edge valve receives high air pressure, so that the air pressure wheel edge valve opens, the tire valve (wheel edge valve) fills air into the tire through the air pipe and the air valve. When entering the field from the road, the tire needs to be deflated, at this time, the driver touches the key of the display, the display transmits signals to the control valve group, at this time, the control valve group guides the gas in the gas source to the front axle seal and the rear axle seal, the gas is transmitted to the wheel edge valve through the front axle seal, at this time, the wheel edge valve receives high air pressure, so that the air pressure wheel edge valve opens, the control valve group is connected, at this time, the gas source and the air passage of the control valve group are closed, the slow deflation port is opened, the slow deflation port can maintain the wheel edge valve to discharge the gas in the tire, but the air pressure in the pipeline will not be reduced to the closing of the wheel edge valve. The agricultural tractor driving stability and operation efficiency are improved, the tire wear is reduced, and the soil is compacted. The agricultural tire is adjusted by the tire pressure, so that the traction is increased, the fuel consumption is reduced, the soil compacting effect is reduced, the tire wear is reduced, the fuel consumption is reduced, and the tire flexural deformation under high speed is reduced, so that the internal heat is reduced, and the risk of tire burst is reduced.

[0043] Further, the step S3 comprises: S31, the plurality of wheel edge valves respectively fill the gas into the plurality of tires; S32, the control valve group monitors the actual tire pressure of the plurality of tires through the pressure sensor; S33, when the actual tire pressure of the plurality of tires reaches the first target pressure, the control valve group closes the gas source, opens the fast exhaust port, so that the plurality of wheel edge valves are closed, and the gas in the pipeline between the wheel edge valves and the control valve group is discharged; the step S6 comprises: S61, the control valve group monitors the actual tire pressure of the plurality of tires through the pressure sensor; S62, when the actual tire pressure of the plurality of tires reaches the second target pressure, the control valve group closes the slow exhaust port and opens the fast exhaust port, so that the plurality of wheel edge valves are closed, and the gas in the pipeline between the wheel edge valves and the control valve group is discharged.

[0044] The beneficial effects of the above further technical solutions are: during the inflation process, the control valve group monitors the tire pressure, when the pressure reaches the target pressure, the control valve group cuts off the gas from the gas source, and opens the fast exhaust port, the wheel edge valve is closed because the pressure is reduced. The control valve group discharges the gas in the section from the wheel edge valve to the control valve group, thereby reducing the pressure in the front and rear axle seal, achieving the requirement of increasing the durability of the front and rear axle seal. The control valve group monitors the tire pressure, when the pressure reaches the target pressure, the control valve group closes the slow exhaust valve (slow exhaust port) and opens the fast exhaust port, the wheel edge valve is closed because the pressure is reduced. The control valve group discharges the gas in the section from the wheel edge valve to the control valve group, thereby reducing the pressure in the front and rear axle seal, achieving the requirement of increasing the durability of the front and rear axle seal.

[0045] Further, it further comprises: S7, under the tire pressure maintaining condition, the control valve group conducts the gas in the gas source to the plurality of wheel edge valves, so that the plurality of wheel edge valves are opened; S8, the control valve group monitors the actual tire pressure of the plurality of tires through the pressure sensor; S9, when the tractor pulls the agricultural trailer, the controller obtains the tire pressure of the agricultural trailer or the agricultural implement through the ISOBUS connector; S10, the tire pressure of the agricultural trailer or the agricultural implement is displayed through the display; S11, a third target pressure input by a user is obtained; S12, according to the third target pressure, the control valve group conducts the gas in the gas source to the tire of the agricultural trailer or the agricultural implement until the tire pressure of the agricultural trailer or the agricultural implement reaches the third target pressure.

[0046] The beneficial effects of the further technical solutions are: the tire pressure maintaining condition, the wheel valve remains closed, but because of the monitoring requirement of the tire pressure, the control valve group will open from time to time to introduce the gas in the gas source into the system, so as to open the wheel valve, the gas in the wheel valve is connected with the control valve group, so as to monitor the tire pressure. When the tractor pulls the agricultural trailer, the tractor and the agricultural trailer or the agricultural implement can realize the connection of the gas path through the gas output joint and the trailer, realize the connection of the data signal through ISOBUS and the agricultural trailer or the agricultural implement, and the information of the agricultural trailer tire pressure can be displayed on the display. The display output adjustment signal can be adjusted to the controller, and the pressure of the agricultural trailer or the agricultural implement can be adjusted through the control valve group.

[0047] The following will be described in three working conditions of inflation, deflation and tire pressure maintaining.

[0048] Inflation condition, when entering the road from the field, the tire needs to be inflated, at this time the driver touches the button of the display, the display transmits the signal to the control valve group, the control valve group introduces the gas in the gas source to the front axle seal and the rear axle seal. Through the front axle seal to the wheel valve, at this time the wheel valve receives high pressure, so that the pressure wheel valve (wheel valve) opens, the tire valve (wheel valve) fills air into the tire through the air pipe and the air valve. During the inflation process, the control valve group will monitor the tire pressure, and when the pressure reaches the target pressure, the control valve group will cut off the gas from the gas source and open the fast deflation port. The wheel valve is closed due to the decrease of the pressure. The control valve group will discharge the gas from the wheel valve to the control valve group section, so as to reduce the pressure in the front and rear axle seals (front axle seal and rear axle seal), so as to increase the durability of the front and rear axle seals.

[0049] Deflation condition, when entering the field from the road, the tire needs to be deflated, at this time the driver touches the button of the display, the display transmits the signal to the control valve group, at this time the control valve group will introduce the gas in the gas source to the front axle seal and the rear axle seal. Through the front axle seal to the wheel valve, at this time the wheel valve receives high pressure, so that the pressure wheel valve opens, and the control valve group is connected, at this time the gas path of the gas source and the control valve group is closed, the slow deflation port is opened, the slow deflation port can maintain the wheel valve to discharge the gas in the tire, but the pressure in the pipeline will not decrease to the closing of the wheel valve. The control valve group will monitor the tire pressure, and when the pressure reaches the target pressure, the control valve group will close the slow deflation valve and open the fast deflation port, the wheel valve is closed due to the decrease of the pressure. The control valve group will discharge the gas from the wheel valve to the control valve group section, so as to reduce the pressure in the front and rear axle seals, so as to increase the durability of the front and rear axle seals.

[0050] When the tractor pulls the agricultural trailer, the tractor and the agricultural trailer or the farm implement can be connected with the trailer through the gas output joint to realize the connection of the gas circuit, and connected with the agricultural trailer or the farm implement through ISOBUS to realize the connection of the data signal, and the information of the agricultural trailer tire pressure can be displayed on the display, and the display output adjustment signal can be adjusted to the controller, and the pressure of the agricultural trailer or the farm implement can be adjusted through the control valve group.

[0051] When the tractor pulls the agricultural trailer, the tractor and the agricultural trailer or the farm implement can be connected with the trailer through the gas output joint to realize the connection of the gas circuit, and connected with the agricultural trailer or the farm implement through ISOBUS to realize the connection of the data signal, and the information of the agricultural trailer tire pressure can be displayed on the display, and the display output adjustment signal can be adjusted to the controller, and the pressure of the agricultural trailer or the farm implement can be adjusted through the control valve group.

[0052] 1. The utility model discloses a display for tire pressure adjustment.

[0053] 2. The utility model discloses a control of inflation, deflation, tire pressure monitoring mode.

[0054] 3. The utility model discloses a sealed built-in type, and the pipeline arrangement is more beautiful.

[0055] 4. The utility model discloses a gas output joint and ISOBUS and trailer or farm implement are connected, and the pressure of corresponding trailer or farm implement is adjusted.

[0056] The utility model discloses a tractor inflation and deflation system, which can be a new type of agricultural automatic inflation and deflation system, has three modes of tire inflation, deflation and tire pressure maintenance, and is sealed built-in, so that the pipeline arrangement is more beautiful.

[0057] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A tractor inflation and deflation system, characterized by, The utility model relates to a tractor inflation and deflation system, comprising: A control valve group, a gas source, a plurality of wheel edge valves, a plurality of tires, a front axle and a rear axle, the control valve group is connected with the gas source and a plurality of wheel edge valves through pipelines respectively, a plurality of wheel edge valves are connected with a plurality of tires respectively, and a plurality of tires are mounted on the front axle and the rear axle respectively.

2. A tractor inflation / deflation system according to claim 1 wherein, The control valve group is provided with a quick deflation port and a slow deflation port; the control valve group is provided with a pressure sensor.

3. A tractor inflation / deflation system according to claim 1 wherein, The front axle is provided with a front axle seal, and the rear axle is provided with a rear axle seal; a plurality of wheel edge valves are connected with a plurality of tires through air valves respectively.

4. A tractor inflation / deflation system according to claim 1 wherein, The front axle and the rear axle are both provided with a gas input interface and a gas output interface, the control valve group is connected with the gas input interface, and the gas output interface rotates with the tire.

5. A tractor inflation / deflation system according to claim 1 wherein, The control valve group is connected with a controller, and the controller is connected with a display.

6. A tractor inflation / deflation system according to claim 5 wherein, The controller is connected with an ISOBUS connector, and the control valve group is connected with a gas output connector.

7. A tractor characterised in that The utility model relates to a tractor inflation and deflation system, comprising: A control valve group, a gas source, a plurality of wheel edge valves, a plurality of tires, a front axle and a rear axle, the control valve group is connected with the gas source and a plurality of wheel edge valves through pipelines respectively, a plurality of wheel edge valves are connected with a plurality of tires respectively, and a plurality of tires are mounted on the front axle and the rear axle respectively.

Images