Steering hydraulic electromagnetic valve of harvester

Abstract

The steering hydraulic electromagnetic valve comprises a box body and an inlet pipe, an oil supply assembly is installed on the inner side of the box body, the oil supply assembly comprises a three-position four-way reversing valve and a three-position five-way reversing valve, a flow dividing assembly is installed on the inner side of the box body, the flow dividing assembly comprises a two-position two-way reversing valve and a throttling hole, and the throttling hole is communicated with the box body. The steering hydraulic electromagnetic valve of the harvester comprises a box body, a fan is installed in the box body, a backflow assembly is installed on the inner side of the box body, the backflow assembly comprises an outlet pipe and a sleeve, and an air inlet assembly is installed on one side of the box body. The hydraulic oil pushes the impeller to rotate in the sleeve, then the impeller drives the fan blades to rotate on the inner side of the air opening, air is filtered and then blown to the inner side of the box body through the air opening, heat dissipation electric energy does not need to be consumed, energy consumption is reduced, and the service life of circuit equipment in the box body is prolonged. The device is suitable for lifting and steering control of the harvester.

Description

TECHNICAL FIELD

[0001] The utility model relates to steering hydraulic solenoid valve equipment technical field, concretely is a harvester steering hydraulic solenoid valve. BACKGROUND

[0002] In order to facilitate the lifting and steering control of the discharge mechanism of the harvester, steering hydraulic solenoid valve equipment is often used. The utility model with patent application number CN202221294668.8 discloses an electric control hydraulic power assisted steering solenoid valve structure. A sealing assembly is installed on the inner wall of the valve seat. The sealing assembly is in close contact with the outer wall of the spool, thereby increasing the sealing performance of the solenoid valve, improving the accuracy of the valve, and significantly improving the power assistance effect. The elastic force of the spring can drive the sealing packing on the mounting ring to always form a seal with the outer wall of the spool. The elastic force of the spring can keep the sealing packing in contact with the spool, so there is no gap to cause leakage. This further increases the sealing performance and improves the accuracy of the solenoid valve. According to the disclosed technical solution, the existing steering hydraulic solenoid valve has the following problems. On the one hand, multiple solenoid valves work simultaneously, generating heat, and the hydraulic oil also increases in temperature under pressure, which can easily cause the temperature of the equipment to rise, which is not conducive to protecting the service life of the circuit. On the other hand, when cooling the equipment, electrical energy is often consumed, increasing energy consumption.

[0003] Therefore, how to design a harvester steering hydraulic solenoid valve has become a problem we need to solve. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a harvester steering hydraulic solenoid valve to solve the problems raised in the background art. The utility model is designed reasonably and is convenient to use, and is suitable for lifting and steering control of the harvester.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a harvester steering hydraulic solenoid valve, comprising a box body and an inlet pipe, an oil supply assembly is installed on the inner side of the box body, the oil supply assembly comprises a three-position four-way directional valve and a three-position five-way directional valve, a flow dividing assembly is installed on the inner side of the box body, the flow dividing assembly comprises a two-position two-way directional valve and a throttling hole, a backflow assembly is installed on the inner side of the box body, the backflow assembly comprises an outlet pipe and a sleeve, an air inlet assembly is installed on one side of the box body, the air inlet assembly comprises an air inlet and a filter screen, an air extraction assembly is installed on the other side of the box body, the air extraction assembly comprises an air duct and a fan.

[0006] Further, the three-position four-way directional valve and the three-position five-way directional valve are bolted on the inner side of the box body, the two-position two-way directional valve is bolted on the inner side of the box body, one end of the inlet pipe is bolted on the outer side of the box body, and the other end of the inlet pipe penetrates the box body and is welded on one side of the two-position two-way directional valve.

[0007] Further, the other side of the two-position two-way directional valve is provided with a one-way valve I, one end of the one-way valve I is bolted on one side of the three-position four-way directional valve, and the other side of the three-position four-way directional valve extends to the outer side of the box body.

[0008] Further, the top of the throttle hole is bolted on the bottom of the two-position two-way directional valve, one side of the throttle hole is bolted with a pressure reducing valve, the three-position five-way directional valve is bolted with a one-way valve II, and the top of the one-way valve II is bolted on one side of the pressure reducing valve.

[0009] Further, one end of the outlet pipe is bolted on the three-position five-way directional valve, the other end of the outlet pipe penetrates the inner wall of the box body and extends to the outer side of the box body, and the sleeve is welded on the outer side of the outlet pipe.

[0010] Further, the air inlet is opened on one side of the box body, the filter screen is bolted on the inner wall of the air inlet, and the sealing ring is welded on the outlet pipe.

[0011] Further, the inner side of the sleeve is provided with an impeller, one end of the impeller penetrates the sealing ring and extends to the inner side of the air inlet, the other end of the impeller is bolted with a fan blade, and the fan blade is bolted on the inner side of the air inlet.

[0012] Further, the air duct is welded on the other side of the box body, and the fan is bolted on the inner side of the air duct.

[0013] Beneficial effects: 1. When the harvester steering hydraulic electromagnetic valve is used, hydraulic oil enters the two-position two-way directional valve through the inlet pipe, then enters the three-position four-way directional valve through the one-way valve I, and is sent into the lifting cylinder of the harvester, thereby realizing the lifting work of the harvester. A part of the hydraulic oil enters the throttle hole through the two-position two-way directional valve, and after reducing the oil pressure through the throttle hole and the pressure reducing valve, it is introduced into the inner side of the three-position five-way directional valve through the one-way valve II, and then the hydraulic oil is transported to the steering mechanism of the harvester through the three-position five-way directional valve, thereby realizing the steering work of the harvester. The fan generates suction in the box body through the air duct, and the heat generated by the work of various electromagnetic valves and circuits and the heat generated by the work of the hydraulic oil are extracted. After the air is filtered by the filter screen, it enters the box body to cool and cool the box body, thereby ensuring the safe operation and service life of the circuit equipment in the box body.

[0014] 2. The harvester steering hydraulic electromagnetic valve in use, hydraulic oil is transported to the steering mechanism of the harvester through the three-position five-way reversing valve, and then flows back to the inside of the outlet pipe through the three-position five-way reversing valve, and flows through the sleeve, the hydraulic oil pushes the impeller to rotate in the sleeve, and then the impeller drives the fan to rotate inside the air port, so that the fan generates suction to the outside of the box body through the air port, filters the air through the filter screen and blows it to the inside of the box body, and the cooling and cooling work of the box body is carried out without consuming heat dissipation power, reducing energy consumption.

[0015] 3. The harvester steering hydraulic electromagnetic valve is reasonable in design, efficient and convenient in use, and is suitable for lifting and steering control of the harvester. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structure diagram of the harvester steering hydraulic electromagnetic valve of the utility model;

[0017] Fig. 2 It is a sectional view of the harvester steering hydraulic electromagnetic valve of the utility model;

[0018] Fig. 3 It is a structure diagram of the connecting rod of the harvester steering hydraulic electromagnetic valve of the utility model;

[0019] In the drawing: 1, box body; 2, inlet pipe; 3, outlet pipe; 4, three-position four-way reversing valve; 5, three-position five-way reversing valve; 6, two-position two-way reversing valve; 7, one-way valve one; 8, throttle hole; 9, pressure reducing valve; 10, one-way valve two; 11, sleeve; 12, air port; 13, filter screen; 14, impeller; 15, fan blade; 16, sealing ring; 17, air duct; 18, fan. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figs. 1 to 3The utility model provides a technical scheme: a harvester steering hydraulic electromagnetic valve, including box body 1 and inlet pipe 2, the inside installation of box body 1 has oil supply subassembly, the oil supply subassembly includes three position four way reversing valve 4 and three position five way reversing valve 5, the inside installation of box body 1 has shunt subassembly, the shunt subassembly includes two position two way reversing valve 6 and throttle hole 8, the inside installation of box body 1 has backflow subassembly, the backflow subassembly includes outlet pipe 3 and sleeve 11, one side of box body 1 is installed with air intake subassembly, the air intake subassembly includes air port 12 and filter screen 13, the other side of box body 1 is installed with exhaust fan subassembly, the exhaust fan subassembly includes air cylinder 17 and fan 18, one end of outlet pipe 3 is installed on three position five way reversing valve 5 through bolt, the other end of outlet pipe 3 passes through the inner wall of box body 1 and extends to the outside of box body 1, sleeve 11 is welded on the outside of outlet pipe 3, air port 12 is set up in one side of box body 1, filter screen 13 is installed on the inner wall of air port 12 through bolt, sealing ring 16 is welded on outlet pipe 3, the inside installation of sleeve 11 has impeller 14, one end of impeller 14 passes through sealing ring 16 and extends to the inside of air port 12, the other end of impeller 14 is installed with fan blade 15 through bolt, fan blade 15 is installed in the inside of air port 12, when using, hydraulic oil is transported to the steering mechanism of harvester after passing three position five way reversing valve 5, then backflows to the inside of outlet pipe 3 through three position five way reversing valve 5, and flows through sleeve 11, hydraulic oil promotes impeller 14 rotation in sleeve 11, and then makes impeller 14 drive fan blade 15 rotation in the inside of air port 12, makes fan blade 15 produce suction force to the outside of box body 1 through air port 12, filters air through filter screen 13 and blows to the inside of box body 1 through air port 12, carries out cooling work to the inside of box body 1, need not consume heat dissipation electric energy, reduces the consumption of energy.

[0022] The three-position four-way valve 4 and the three-position five-way valve 5 are bolted on the inside of the box body 1, the two-position two-way valve 6 is bolted on the inside of the box body 1, one end of the inlet pipe 2 is installed on the outside of the box body 1, the other end of the inlet pipe 2 passes through the box body 1 and is welded on one side of the two-position two-way valve 6, the other side of the two-position two-way valve 6 is installed with the one-way valve one 7, one end of the one-way valve one 7 is installed on one side of the three-position four-way valve 4, the other side of the three-position four-way valve 4 extends to the outside of the box body 1, the top of the throttle hole 8 is installed at the bottom of the two-position two-way valve 6, one side of the throttle hole 8 is bolted with the pressure reducing valve 9, the three-position five-way valve 5 is bolted with the one-way valve two 10, the top of the one-way valve two 10 is bolted on one side of the pressure reducing valve 9, the air cylinder 17 is welded on the other side of the box body 1, the fan 18 is bolted on the inside of the air cylinder 17, in use, the hydraulic oil enters the two-position two-way valve 6 through the inlet pipe 2, then enters the three-position four-way valve 4 through the one-way valve one 7, and sends the hydraulic oil into the lifting cylinder of the harvester, thereby realizing the lifting work of the harvester, a part of the hydraulic oil enters the throttle hole 8 through the two-position two-way valve 6, and after reducing the oil pressure through the throttle hole 8 and the pressure reducing valve 9, it enters the inside of the three-position five-way valve 5 through the one-way valve two 10, and delivers the hydraulic oil to the steering mechanism of the harvester through the three-position five-way valve 5, realizing the steering work of the harvester, the fan 18 generates suction in the box body 1 through the air cylinder 17, and extracts the heat generated by the work of various solenoid valves and circuits and the work of the hydraulic oil in the box body 1, after the air is filtered by the filter screen 13, it enters the box body 1 to cool and cool the box body 1, and ensure the working safety and service life of the circuit equipment in the box body 1.

[0023] The harvester steering hydraulic electromagnetic valve provides power for all electrical equipment by external power supply, when in use, hydraulic oil enters two-position two-way directional valve 6 through inlet pipe 2, then enters three-position four-way directional valve 4 through check valve one 7, and sends hydraulic oil into the lifting cylinder of the harvester, thereby realizing the lifting work of the harvester, part of the hydraulic oil enters throttle hole 8 through two-position two-way directional valve 6, and after reducing the oil pressure through throttle hole 8 and pressure reducing valve 9, it is introduced into the inside of three-position five-way directional valve 5 through check valve two 10, and delivers hydraulic oil to the steering mechanism of the harvester through three-position five-way directional valve 5, realizing the steering work of the harvester, fan 18 generates suction in box body 1 through air duct 17, and the heat generated by the work of various electromagnetic valves and circuits and the work of hydraulic oil is extracted, air is filtered by filter screen 13 and enters box body 1, cooling and cooling the inside of box body 1, ensuring the working safety and service life of the circuit equipment in box body 1, after the hydraulic oil is delivered to the steering mechanism of the harvester through three-position five-way directional valve 5, it flows back to the inside of outlet pipe 3 through three-position five-way directional valve 5, and flows through sleeve 11, the hydraulic oil drives impeller 14 to rotate in sleeve 11, thereby making impeller 14 drive fan blade 15 to rotate in the inside of air port 12, making fan blade 15 generate suction on the outside of box body 1 through air port 12, filtering air through filter screen 13 and blowing it to the inside of box body 1 through air port 12, cooling and cooling the inside of box body 1, without consuming heat dissipation power, reducing energy consumption.

[0024] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A hydraulic solenoid valve for steering a harvester, comprising a housing (1) and an inlet pipe (2), wherein an oil supply assembly is installed inside the housing (1), the oil supply assembly comprising a three-position four-way directional valve (4) and a three-position five-way directional valve (5), and a flow divider assembly is installed inside the housing (1), the flow divider assembly comprising a two-position two-way directional valve (6) and a throttle orifice (8), characterized in that: A reflux assembly is installed on the inner side of the box (1). The reflux assembly includes an outlet pipe (3) and a sleeve (11). An air intake assembly is installed on one side of the box (1). The air intake assembly includes an air outlet (12) and a filter screen (13). An exhaust assembly is installed on the other side of the box (1). The exhaust assembly includes a duct (17) and a fan (18).

2. The harvester steering hydraulic solenoid valve according to claim 1, characterized in that: The three-position four-way reversing valve (4) and the three-position five-way reversing valve (5) are both bolted to the inside of the housing (1). The two-position two-way reversing valve (6) is bolted to the inside of the housing (1). One end of the inlet pipe (2) is installed on the outside of the housing (1), and the other end of the inlet pipe (2) passes through the housing (1) and is welded to one side of the two-position two-way reversing valve (6).

3. A harvester steering hydraulic solenoid valve according to claim 2, characterized in that: A one-way valve (7) is installed on the other side of the two-position two-way reversing valve (6). One end of the one-way valve (7) is installed on one side of the three-position four-way reversing valve (4), and the other side of the three-position four-way reversing valve (4) extends to the outside of the housing (1).

4. A harvester steering hydraulic solenoid valve according to claim 3, characterized in that: The top of the throttle orifice (8) is installed at the bottom of the two-position two-way reversing valve (6). A pressure reducing valve (9) is installed on one side of the throttle orifice (8) by bolts. A one-way valve (10) is installed on the three-position five-way reversing valve (5) by bolts. The top of the one-way valve (10) is installed on one side of the pressure reducing valve (9) by bolts.

5. A harvester steering hydraulic solenoid valve according to claim 1, characterized in that: One end of the outlet pipe (3) is bolted to the three-position five-way reversing valve (5), and the other end of the outlet pipe (3) passes through the inner wall of the box body (1) and extends to the outer side of the box body (1). The sleeve (11) is welded to the outer side of the outlet pipe (3).

6. A harvester steering hydraulic solenoid valve according to claim 5, characterized in that: The air vent (12) is located on one side of the box (1), the filter screen (13) is installed on the inner wall of the air vent (12) by bolts, and a sealing ring (16) is welded on the outlet pipe (3).

7. A harvester steering hydraulic solenoid valve according to claim 6, characterized in that: An impeller (14) is installed on the inner side of the sleeve (11). One end of the impeller (14) passes through the sealing ring (16) and extends to the inner side of the air outlet (12). The other end of the impeller (14) is bolted with a fan blade (15), which is installed on the inner side of the air outlet (12).

8. A harvester steering hydraulic solenoid valve according to claim 7, characterized in that: The air duct (17) is welded to the other side of the box (1), and the fan (18) is installed on the inside of the air duct (17) by bolts.

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