CN204458579U - A kind of supercharging oil supply loop device - Google Patents
A kind of supercharging oil supply loop device Download PDFInfo
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- CN204458579U CN204458579U CN201520084176.XU CN201520084176U CN204458579U CN 204458579 U CN204458579 U CN 204458579U CN 201520084176 U CN201520084176 U CN 201520084176U CN 204458579 U CN204458579 U CN 204458579U
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Abstract
The utility model discloses a kind of supercharging oil supply loop device, for solving the problem how realizing the stable uninterrupted high-pressure oil feed of simple effective implemention.Supercharging oil supply loop device, comprises two pressurizing cylinders be parallel between throttle valve and fuel feeding end, the first pressurizing cylinder (A) and the second pressurizing cylinder (B), and fuel feeding end comprises pump and fuel tank; Wherein: described first hyperbaric chamber (AA), the second hyperbaric chamber (AB), third high pressure chamber (BC), the 4th hyperbaric chamber (BD) sequentially export high pressure oil to oil-saving valve.Supercharging oil supply loop device, utilizes two pressurizing cylinder non-stop runs, to provide continuous high pressure oil, avoids high-voltage oil cylinder to shake, high-pressure and hydraulic motor running wild effect.
Description
Technical Field
The utility model relates to a hydraulic pressure technical field especially relates to a pressure boost fuel feeding return circuit device.
Background
In hydraulic systems, pressurization is typically required to obtain high oil pressures of hydraulic oil. In the prior art, a common single-hydraulic cylinder single-acting supercharger hydraulic system is realized by the area ratio of a rod cavity and a rodless cavity, but the area ratio is not large, the supercharging effect is not obvious due to the pressure loss of an oil way, and continuous oil supply cannot be realized due to the intermittent supercharging of only one hydraulic cylinder.
There is also a punch-out equipment hydraulic pressure boost system among the prior art, and it passes through the pressure boost of differential circuit repeatedly, must arouse the high temperature of hydraulic oil, and oil can deteriorate after the high temperature, and cavitation causes the system unstable. Oil replenishment should be provided in the re-pressurization system because of high pressure leakage, but the system cannot supply oil continuously. The other hydraulic pressurization system adopts a linkage mode of a hydraulic pressurization cylinder and a water cylinder, high-pressure water is discharged, and the high-pressure water cannot be continuously supplied out. The simple scheme is that a high-pressure oil pump is adopted to directly supply high-pressure oil, but the equipment is expensive and high in cost.
Therefore, how to simply and effectively realize stable and continuous uninterrupted high-pressure oil supply is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a pressure boost fuel feeding return circuit device is provided for solve and how to realize the problem of simple high-efficient stable incessant high pressure fuel feeding of realization.
The technical scheme is as follows:
a pressure boost oil supply loop device comprises a first pressure boost oil cylinder (A) and a second pressure boost oil cylinder (B) which are connected in parallel between a throttle valve and an oil supply end, wherein the oil supply end comprises a pump and an oil tank; wherein,
the first booster oil cylinder (A) comprises a first main piston cavity in the middle, and a first high-pressure cavity (AA) and a second high-pressure cavity (AB) which are arranged on two sides, wherein the first main piston cavity is provided with a first main piston, the first high-pressure cavity (AA) is provided with a first booster piston, and the second high-pressure cavity (AB) is provided with a second booster piston; the first main piston is connected with a first pressurizing piston and a second pressurizing piston on two sides through a connecting rod, the first pressurizing piston is positioned in the first pressurizing cavity, and the second pressurizing piston is positioned in the second pressurizing cavity;
the second boosting oil cylinder (B) comprises a second main piston cavity positioned in the middle, and third and fourth high-pressure cavities (BC and BD) on two sides, wherein the second main piston cavity is provided with a second main piston, the third high-pressure cavity (BC) is provided with a third boosting piston, the fourth high-pressure cavity (BD) is provided with a fourth boosting piston, the second main piston is connected with the third and fourth boosting pistons on two sides through a connecting rod, the third boosting piston is positioned in the third boosting cavity, and the fourth boosting piston is positioned in the fourth boosting cavity;
the first high-pressure cavity (AA), the second high-pressure cavity (AB), the third high-pressure cavity (BC) and the fourth high-pressure cavity (BD) are respectively connected with an oil saving valve through oil pipes to output high-pressure oil.
Further, the pump and the oil tank are respectively connected to a first reversing valve (AAD) through oil pipes, the first reversing valve (AAD) is a three-position four-way reversing valve, the first reversing valve (AAD) is connected to a throttle valve through a third one-way valve (AAS3) and a first one-way valve (AAS1), the first reversing valve (AAD) is communicated to a first pressurization cavity through a second oil pipe (AAG2) before the third one-way valve (AAS3), the third one-way valve (AAS3) is communicated to a first high-pressure cavity (AA) through a first oil pipe (AAG1), and a first switch (AAK1) and a second switch (AAK2) for limiting the first pressurization piston are arranged outside a cavity of the first high-pressure cavity (AA); the first reversing valve (AAD) is connected to the throttle valve through a fourth one-way valve (ABS4) and a second one-way valve (ABS2), is communicated to the second pressurization cavity through a third oil pipe (ABG3) before the fourth one-way valve ABS4, is communicated to the second high-pressure cavity (AB) through a fourth oil pipe (ABG4) after the fourth one-way valve ABS4, and a third switch (ABK3) and a fourth switch (ABK4) for limiting the second pressurization piston are arranged outside a cavity of the second high-pressure cavity (AB);
the pump and the oil tank are respectively connected to a second reversing valve (BCD) through oil pipes, the second reversing valve (BCD) is a three-position four-way reversing valve, the second reversing valve (BCD) is connected to a throttle valve through a seventh one-way valve (BCS7) and a fifth one-way valve (BCS5), the second reversing valve (BCD) is communicated to a third pressurizing cavity through a sixth oil pipe (BCG6) before the seventh one-way valve (BCS7), the second reversing valve (BCS7) is communicated to the third high-pressure cavity (BC) through a fifth oil pipe (BCG5), and a fifth switch (BCK5) and a sixth switch (BCK6) for limiting a third pressurizing piston are arranged outside a cavity of the third high-pressure cavity (BC); the second reversing valve (BCD) is connected to the throttle valve through an eighth check valve (BDS8) and a sixth check valve (BDS6), is communicated to the fourth supercharging cavity through a seventh oil pipe (BDG7) before the eighth check valve (BDS8), is communicated to the fourth high-pressure cavity (BD) through an eighth oil pipe (BDG8) after the eighth check valve (BDS8), and a seventh switch (BDK7) and an eighth switch (BDK8) for limiting the fourth supercharging piston are arranged outside a cavity of the fourth high-pressure cavity (BD).
Further, the position of the first oil pipe (AAG1) communicated with the first high-pressure cavity (AA) is close to the fixed closed end of the first high-pressure cavity, the first switch (AAK1) is used for controlling the position of the first pressurizing piston when the first high-pressure cavity (AA) is pressurized, and the second switch (AAK2) is used for controlling the position of the first pressurizing piston when the first high-pressure cavity (AA) is depressurized; the first switch (AAK1) is triggered to inform the second reversing valve (BCD) to be electrified and connected with a seventh oil pipe (BDG7), the pump injects oil to the fourth pressurizing cavity through the seventh oil pipe (BDG7) to pressurize, the third pressurizing piston is pushed to move to the third high-pressure cavity (BC), and high-pressure oil is output to the throttle valve through the fifth oil pipe (BCG5) and the fifth one-way valve (BCS 5).
Further, the position of a fifth oil pipe (BCG5) communicated with the third high-pressure cavity (BC) is close to the fixed closed end of the third high-pressure cavity (BC), a fifth switch (BCK5) is used for controlling the position of a third pressurizing piston when the third high-pressure cavity (BC) is pressurized, and a sixth switch (BCK6) is used for controlling the position of the third pressurizing piston when the third high-pressure cavity (BC) is depressurized; and after being triggered, the fifth switch (BCK5) is used for informing the first reversing valve (AAD) to be electrified to connect the second oil pipe (AAG2), the pump injects oil into the first pressurizing cavity through the second oil pipe (AAG2) to pressurize, pushes the second pressurizing piston to move to the second high-pressure cavity (AB), and outputs high-pressure oil to the throttle valve through the fourth oil pipe (ABG4) and the second one-way valve (ABS 2).
Further, the position of a fourth oil pipe (ABG4) communicated with the second high-pressure cavity (AB) is close to the fixed closed end of the second high-pressure cavity (AB), a fourth switch (ABK4) is used for controlling the position of the second supercharging piston when the second high-pressure cavity (AB) is supercharged, and a third switch (ABK3) is used for controlling the position of the second supercharging piston when the second high-pressure cavity (AB) is decompressed; after the fourth switch (ABK4) is triggered, the second reversing valve (BCD) is informed to be electrified to be communicated with a sixth oil pipe (BCG6), the pump injects oil into the third pressurizing cavity through the sixth oil pipe (BCG6) to pressurize, pushes the fourth pressurizing piston to move towards the fourth high-pressure cavity (BD), and high-pressure oil is output to the throttle valve through an eighth oil pipe (BDG8) and a sixth one-way valve (BDS 6).
Furthermore, the position of an eighth oil pipe (BDG8) communicated with the fourth high-pressure cavity (BD) is close to the fixed closed end of the fourth high-pressure cavity (BD), an eighth switch (BDK8) is used for controlling the position of a fourth pressurizing piston when the fourth high-pressure cavity (BD) is pressurized, and a seventh switch (BDK7) is used for controlling the position of the fourth pressurizing piston when the fourth high-pressure cavity (BD) is depressurized; the eighth switch (BDK8) is triggered to inform the first reversing valve (AAD) to be electrified to be connected with the third oil pipe (ABG3), the pump injects oil to the second pressurizing cavity through the third oil pipe (ABG3) to pressurize, the first pressurizing piston is pushed to move to the first high-pressure cavity (AA), and high-pressure oil is output to the throttle valve through the first oil pipe (AAG1) and the first one-way valve (AAS 1).
Further, the position of a fifth oil pipe (BCG5) communicated with the third high-pressure cavity (BC) is close to the fixed closed end of the third high-pressure cavity (BC), a fifth switch (BCK5) is used for controlling the position of a third pressurizing piston when the third high-pressure cavity (BC) is pressurized, and a sixth switch (BCK6) is used for controlling the position of the third pressurizing piston when the third high-pressure cavity (BC) is depressurized; and after the fifth switch (BCK5) is triggered, the fifth switch (BCK5) is used for informing the first reversing valve (AAD) to be electrified and connected with the second oil pipe (AAG2), the pump injects oil into the first pressurizing cavity through the second oil pipe (AAG2) and pressurizes the first pressurizing cavity to push the second pressurizing piston to move towards the second high-pressure cavity (AB), and the high-pressure oil is output to the throttle valve through the fourth oil pipe (ABG4) and the second one-way valve (ABS 2).
Further, the position of a fourth oil pipe (ABG4) communicated with the second high-pressure cavity (AB) is close to the fixed closed end of the second high-pressure cavity (AB), a fourth switch (ABK4) is used for controlling the position of the second supercharging piston when the second high-pressure cavity (AB) is supercharged, and a third switch (ABK3) is used for controlling the position of the second supercharging piston when the second high-pressure cavity (AB) is decompressed; and the fourth switch (ABK4) is triggered to inform the second reversing valve (BCD) to be electrified and connected with a sixth oil pipe (BCG6), the pump injects oil to the third pressurizing cavity through the sixth oil pipe (BCG6) to pressurize, pushes the fourth pressurizing piston to move to the fourth high-pressure cavity (BD), and the high-pressure oil is output to the throttle valve through an eighth oil pipe (BDG8) and a sixth one-way valve (BDS 6).
Furthermore, the position of an eighth oil pipe (BDG8) communicated with the fourth high-pressure cavity (BD) is close to the fixed closed end of the fourth high-pressure cavity (BD), an eighth switch (BDK8) is used for controlling the position of a fourth pressurizing piston when the fourth high-pressure cavity (BD) is pressurized, and a seventh switch (BDK7) is used for controlling the position of the fourth pressurizing piston when the fourth high-pressure cavity (BD) is depressurized; the eighth switch (BDK8) is triggered to inform the first reversing valve (AAD) to be electrified to be connected with the third oil pipe (ABG3), the pump injects oil to the second pressurizing cavity through the third oil pipe (ABG3) to pressurize, the first pressurizing piston is pushed to move to the first high-pressure cavity (AA), and high-pressure oil is output to the throttle valve through the first oil pipe (AAG1) and the first one-way valve (AAS 1).
Further, after the first switch (AAK1) is triggered, the second reversing valve (BCD) is informed to be electrified to be connected with a seventh oil pipe (BDG7), the pump injects oil into the fourth pressurizing cavity through the seventh oil pipe (BDG7) to pressurize, the third pressurizing piston is pushed to move towards the third high-pressure cavity (BC), and high-pressure oil is output to the throttle valve through the fifth oil pipe (BCG5) and the fifth one-way valve (BCS 5).
The utility model discloses a pressure boost fuel feeding return circuit device utilizes two pressure boost hydro-cylinders uninterrupted duty to provide continuous high pressure oil, avoid high-pressure hydro-cylinder shake, high-pressure hydraulic motor operation unstable phenomenon. The system is combined with automatic control, is beneficial to remote operation, the pressurizing oil supply loop is used in a hydraulic system which needs high-pressure oil but has small flow, and the pressurizing oil supply loop can avoid using a high-pressure pump, thereby achieving the purposes of reducing energy loss and cost.
Drawings
Fig. 1 is a schematic structural view of the pressurized oil supply loop device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings.
The principle of the booster oil cylinder is that P1 is multiplied by A1 is multiplied by P2 is multiplied by A2, P1 is the pressure of a first cavity, and A1 is the piston area of the first cavity; p2 is the pressure in the second chamber and A2 is the piston area in the second chamber. When the area a1 is larger than the area a2, a larger pressure P2 can be obtained by the booster cylinder, that is, a high pressure can be obtained. In order to satisfy the requirement that needs the continuous high-pressure oil of low discharge among the hydraulic system, the utility model discloses a pressure boost fuel feeding return circuit device adopts pressure boost cylinder A and pressure boost cylinder B parallelly connected, and pressure boost cylinder A's two fuel feeding chamber AA and fuel feeding chamber AB, pressure boost cylinder B's two fuel feeding chamber BC and fuel feeding chamber BD, four fuel feeding chamber export high-pressure oil according to the order of AA, AB, BC, BD altogether to the realization provides continuous incessant high-pressure oil for the system.
As shown in fig. 1, the pressurized oil supply circuit device includes two pressurized cylinders (a pressurized cylinder a and a pressurized cylinder B) connected in parallel between a throttle end and an oil supply end, and the oil supply end includes a pump 101 and an oil tank 102.
The pressurizing oil cylinder A comprises a first main piston cavity in the middle, a first high-pressure cavity AA and a second high-pressure cavity AB, wherein the first high-pressure cavity AA and the second high-pressure cavity AB are located on two sides of the first main piston cavity, the first main piston cavity is provided with a first main piston, the first high-pressure cavity AA is provided with a first pressurizing piston, the second high-pressure cavity AB is provided with a second pressurizing piston, the first pressurizing piston and the second pressurizing piston on two sides of the first main piston are connected through a connecting rod respectively, the first pressurizing piston is located in the first pressurizing cavity, and the second pressurizing piston is located in the second pressurizing cavity.
The pump 101 and the oil tank 102 are respectively connected to a first reversing valve AAD through oil pipes, the first reversing valve AAD is a three-position four-way reversing valve, and the first reversing valve AAD is connected to the throttle valve 103 through a third one-way valve AAS3 and a first one-way valve AAS 1. Wherein, before the third one-way valve AAS3, the first pressure increasing cavity is communicated through the second oil pipe AAG2, and after the third one-way valve AAS3, the first pressure increasing cavity AA is communicated through the first oil pipe AAG 1. The first high pressure chamber AA is provided with a first switch AAK1 and a second switch AAK2 for limiting the first pressurizing piston at the outside of the chamber. The first reversing valve AAD is connected to the throttle valve 103 via a fourth check valve ABS4, a second check valve ABS 2. Wherein the second pressure increasing cavity is communicated through a third oil pipe ABG3 before the fourth one-way valve ABS4 and communicated to the second high pressure cavity AB through a fourth oil pipe ABG4 after the fourth one-way valve ABS 4. The chamber exterior of the second high pressure chamber AB is provided with a third switch ABK3 and a fourth switch ABK4 for restricting the second booster piston.
The second boosting oil cylinder B comprises a second main piston cavity in the middle, third high-pressure cavities BC and fourth high-pressure cavities BD, wherein the third high-pressure cavities BC and the fourth high-pressure cavities BD are located on two sides, a second main piston is arranged in the second main piston cavity, a third boosting piston is arranged in the third high-pressure cavity BC, the fourth high-pressure cavities BD are provided with fourth boosting pistons, the second main piston is connected with the third boosting pistons and the fourth boosting pistons on the two sides through connecting rods respectively, the third boosting piston is located in the third boosting cavity, and the fourth boosting piston is located in the fourth boosting cavity.
The pump 101 and the oil tank 102 are respectively connected to a second reversing valve BCD through oil pipes, the second reversing valve BCD is a three-position four-way reversing valve, and the second reversing valve BCD is connected to the throttle valve 103 through a seventh check valve BCS7 and a fifth check valve BCS 5. Wherein the third pressure increasing chamber is communicated through a sixth oil pipe BCG6 before the seventh check valve BCS7 and communicated to the third high pressure chamber BC through a fifth oil pipe BCG5 after the seventh check valve BCS 7. A fifth switch BCK5 and a sixth switch BCK6 for restricting the third booster piston are disposed outside the chamber of the third high-pressure chamber BC. The second directional control valve BCD is connected to the throttle valve 103 through an eighth check valve BDS8, a sixth check valve BDS 6. Wherein the fourth pressure increasing chamber is communicated through the seventh oil pipe BDG7 before the eighth check valve BDS8 and communicated to the fourth high pressure chamber BD through the eighth oil pipe BDG8 after the eighth check valve BDS 8. A seventh switch BDK7 and an eighth switch BDK8 for restricting the position of the fourth booster piston are disposed outside the chamber of the fourth high-pressure chamber BD.
The position of a first oil pipe AAG1 communicated with a first high-pressure cavity AA is close to the fixed closed end of the first high-pressure cavity AA, a first switch AAK1 is used for controlling the position of a first boosting piston when the first high-pressure cavity AA is boosted, a second switch AAK2 is used for controlling the position of the first boosting piston when the first high-pressure cavity AA is decompressed, the first switch AAK1 is triggered to inform a second reversing valve BCD of electrifying and connecting a seventh oil pipe BDG7, a pump 101 injects oil into a fourth boosting cavity through a seventh oil pipe BDG7 to boost the third boosting piston to move to the third high-pressure cavity BC, and high-pressure oil is output to a throttle valve 103 through a fifth oil pipe BCG5 and a fifth one-way valve BCS 5.
The position of the fifth oil pipe BCG5 communicated with the third high-pressure cavity BC is close to the fixed closed end of the third high-pressure cavity BC, a fifth switch BCK5 is used for controlling the position of a third pressurizing piston when the third high-pressure cavity BC is pressurized, a sixth switch BCK6 is used for controlling the position of the third pressurizing piston when the third high-pressure cavity BC is depressurized, the fifth switch BCK5 is triggered to inform the first reversing valve AAD of electrifying and connecting the second oil pipe AAG2, the pump 101 injects oil into the first pressurizing cavity through the second oil pipe AAG2 for pressurization to push the second pressurizing piston to move to the second high-pressure cavity AB, and high-pressure oil is output to the throttle valve 103 through the fourth oil pipe ABG4 and the second one-way valve ABS 2.
The position of the fourth oil pipe ABG4 communicated with the second high-pressure cavity AB is close to the fixed closed end of the second high-pressure cavity AB, the fourth switch ABK4 is used for controlling the position of the second boosting piston when the second high-pressure cavity AB is boosted, the third switch ABK3 is used for controlling the position of the second boosting piston when the second high-pressure cavity AB is decompressed, the fourth switch ABK4 is triggered to inform the second reversing valve BCD to be electrified and communicated with the sixth oil pipe BCG6, the pump 101 injects oil and boosts the third boosting cavity through the sixth oil pipe BCG6 to push the fourth boosting piston to move to the fourth high-pressure cavity BD, and high-pressure oil is output to the throttle valve 103 through the eighth oil pipe BDG8 and the sixth one-way valve BDS 6.
The eighth oil pipe BDG8 is communicated with the fourth high-pressure cavity BD and is close to the fixed closed end of the fourth high-pressure cavity BD, the eighth switch BDK8 is used for controlling the position of a fourth boosting piston when the fourth high-pressure cavity BD is boosted, the seventh switch BDK7 is used for controlling the position of the fourth boosting piston when the fourth high-pressure cavity BD is depressurized, the eighth switch BDK8 is triggered and used for informing the first reversing valve AAD of electrifying and connecting the third oil pipe ABG3, the pump 101 injects oil into the second boosting cavity through the third oil pipe ABG3 and boosts the pressure to push the first boosting piston to move to the first high-pressure cavity AA, and the high-pressure oil is output to the throttle valve 103 through the first oil pipe AAG1 and the first one-way valve AAS 1.
After the first switch AAK1 is triggered, the second reversing valve BCD is informed to be electrified to be connected with the seventh oil pipe BDG7, the pump 101 injects oil into the fourth pressurizing cavity through the seventh oil pipe BDG7 to pressurize, the third pressurizing piston is pushed to move towards the third high-pressure cavity BC, and high-pressure oil is output to the throttle valve 103 through the fifth oil pipe BCG5 and the fifth one-way valve BCS 5.
Therefore, the limit switch triggers the reversing valve to connect the pipeline to inject oil into the pressurizing cavity, high-pressure oil is alternately and outwards output to the oil saving valve 103 from different high-pressure cavities AA, AB, BC and BD, and the pressurizing oil cylinder A and the pressurizing oil cylinder B move back and forth in a circulating mode, so that the throttling port is continuously supplied with high-pressure oil, and the purpose of a continuously pressurized oil supply loop is achieved.
The first switch to the eighth switch are magnetic induction trigger switches, and provide electric signals to corresponding reversing valves after detecting that the piston reaches the detection position, and the reversing valves receiving the electric signals select to switch on a channel and a direction according to the signals.
The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A pressure boost oil supply loop device is characterized by comprising a first pressure boost oil cylinder (A) and a second pressure boost oil cylinder (B) which are connected in parallel between a throttle valve and an oil supply end, wherein the oil supply end comprises a pump and an oil tank; wherein,
the first booster oil cylinder (A) comprises a first main piston cavity in the middle, and a first high-pressure cavity (AA) and a second high-pressure cavity (AB) which are arranged on two sides, wherein the first main piston cavity is provided with a first main piston, the first high-pressure cavity (AA) is provided with a first booster piston, and the second high-pressure cavity (AB) is provided with a second booster piston; the first main piston is connected with a first pressurizing piston and a second pressurizing piston on two sides through a connecting rod, the first pressurizing piston is positioned in the first pressurizing cavity, and the second pressurizing piston is positioned in the second pressurizing cavity;
the second boosting oil cylinder (B) comprises a second main piston cavity positioned in the middle, and third and fourth high-pressure cavities (BC and BD) on two sides, wherein the second main piston cavity is provided with a second main piston, the third high-pressure cavity (BC) is provided with a third boosting piston, the fourth high-pressure cavity (BD) is provided with a fourth boosting piston, the second main piston is connected with the third and fourth boosting pistons on two sides through a connecting rod, the third boosting piston is positioned in the third boosting cavity, and the fourth boosting piston is positioned in the fourth boosting cavity;
the first high-pressure cavity (AA), the second high-pressure cavity (AB), the third high-pressure cavity (BC) and the fourth high-pressure cavity (BD) are respectively connected with an oil saving valve through oil pipes to output high-pressure oil.
2. The pressurized oil supply circuit arrangement as claimed in claim 1,
the pump and the oil tank are respectively connected to a first reversing valve (AAD) through oil pipes, the first reversing valve (AAD) is a three-position four-way reversing valve, the first reversing valve (AAD) is connected to a throttle valve through a third one-way valve (AAS3) and a first one-way valve (AAS1), the first reversing valve (AAD) is communicated to a first pressurizing cavity through a second oil pipe (AAG2) before the third one-way valve (AAS3), the third one-way valve (AAS3) is communicated to a first high-pressure cavity (AA) through a first oil pipe (AAG1), and a first switch (AAK1) and a second switch (AAK2) for limiting a first pressurizing piston are arranged outside a cavity of the first high-pressure cavity (AA); the first reversing valve (AAD) is connected to the throttle valve through a fourth one-way valve (ABS4) and a second one-way valve (ABS2), is communicated to the second pressurization cavity through a third oil pipe (ABG3) before the fourth one-way valve ABS4, is communicated to the second high-pressure cavity (AB) through a fourth oil pipe (ABG4) after the fourth one-way valve ABS4, and a third switch (ABK3) and a fourth switch (ABK4) for limiting the second pressurization piston are arranged outside a cavity of the second high-pressure cavity (AB);
the pump and the oil tank are respectively connected to a second reversing valve (BCD) through oil pipes, the second reversing valve (BCD) is a three-position four-way reversing valve, the second reversing valve (BCD) is connected to a throttle valve through a seventh one-way valve (BCS7) and a fifth one-way valve (BCS5), the second reversing valve (BCD) is communicated to a third pressurizing cavity through a sixth oil pipe (BCG6) before the seventh one-way valve (BCS7), the second reversing valve (BCS7) is communicated to the third high-pressure cavity (BC) through a fifth oil pipe (BCG5), and a fifth switch (BCK5) and a sixth switch (BCK6) for limiting a third pressurizing piston are arranged outside a cavity of the third high-pressure cavity (BC); the second reversing valve (BCD) is connected to the throttle valve through an eighth check valve (BDS8) and a sixth check valve (BDS6), is communicated to the fourth supercharging cavity through a seventh oil pipe (BDG7) before the eighth check valve (BDS8), is communicated to the fourth high-pressure cavity (BD) through an eighth oil pipe (BDG8) after the eighth check valve (BDS8), and a seventh switch (BDK7) and an eighth switch (BDK8) for limiting the fourth supercharging piston are arranged outside a cavity of the fourth high-pressure cavity (BD).
3. The pressurized oil supply circuit arrangement as claimed in claim 2, characterized in that the first oil conduit (AAG1) communicates with the first high pressure chamber (AA) at a position close to its fixed closed end, the first switch (AAK1) being adapted to control the position of the first pressurizing piston when the first high pressure chamber (AA) is pressurized, and the second switch (AAK2) being adapted to control the position of the first pressurizing piston when the first high pressure chamber (AA) is depressurized; the first switch (AAK1) is triggered to inform the second reversing valve (BCD) to be electrified and connected with a seventh oil pipe (BDG7), the pump injects oil to the fourth pressurizing cavity through the seventh oil pipe (BDG7) to pressurize, the third pressurizing piston is pushed to move to the third high-pressure cavity (BC), and high-pressure oil is output to the throttle valve through the fifth oil pipe (BCG5) and the fifth one-way valve (BCS 5).
4. The pressurized oil supply circuit arrangement as claimed in claim 2, characterized in that the fifth oil conduit (BCG5) communicates with the third high-pressure chamber (BC) at a position close to its fixed closed end, a fifth switch (BCK5) for controlling the position of the third pressurizing piston when the third high-pressure chamber (BC) is pressurized, and a sixth switch (BCK6) for controlling the position of the third pressurizing piston when the third high-pressure chamber (BC) is depressurized; and after being triggered, the fifth switch (BCK5) is used for informing the first reversing valve (AAD) to be electrified to connect the second oil pipe (AAG2), the pump injects oil into the first pressurizing cavity through the second oil pipe (AAG2) to pressurize, pushes the second pressurizing piston to move to the second high-pressure cavity (AB), and outputs high-pressure oil to the throttle valve through the fourth oil pipe (ABG4) and the second one-way valve (ABS 2).
5. A pressurized oil supply circuit arrangement according to claim 2, characterized in that the fourth oil line (ABG4) communicates with the second pressure chamber (AB) at a position close to its fixed closed end, a fourth switch (ABK4) for controlling the position of the second pressurizing piston when the second pressure chamber (AB) is pressurized, and a third switch (ABK3) for controlling the position of the second pressurizing piston when the second pressure chamber (AB) is depressurized; after the fourth switch (ABK4) is triggered, the second reversing valve (BCD) is informed to be electrified to be communicated with a sixth oil pipe (BCG6), the pump injects oil into the third pressurizing cavity through the sixth oil pipe (BCG6) to pressurize, pushes the fourth pressurizing piston to move towards the fourth high-pressure cavity (BD), and high-pressure oil is output to the throttle valve through an eighth oil pipe (BDG8) and a sixth one-way valve (BDS 6).
6. The pressurized oil supply circuit arrangement as claimed in claim 2, characterized in that the eighth oil pipe (BDG8) communicates with the fourth high-pressure chamber (BD) at a position close to its fixed closed end, an eighth switch (BDK8) for controlling the position of the fourth pressurizing piston when the fourth high-pressure chamber (BD) is pressurized, and a seventh switch (BDK7) for controlling the position of the fourth pressurizing piston when the fourth high-pressure chamber (BD) is depressurized; the eighth switch (BDK8) is triggered to inform the first reversing valve (AAD) to be electrified to be connected with the third oil pipe (ABG3), the pump injects oil to the second pressurizing cavity through the third oil pipe (ABG3) to pressurize, the first pressurizing piston is pushed to move to the first high-pressure cavity (AA), and high-pressure oil is output to the throttle valve through the first oil pipe (AAG1) and the first one-way valve (AAS 1).
7. A pressurized oil supply circuit arrangement according to claim 3, characterized in that the fifth oil conduit (BCG5) communicates with the third high pressure chamber (BC) at a position close to its fixed closed end, a fifth switch (BCK5) for controlling the position of the third pressurizing piston when the third high pressure chamber (BC) is pressurized, and a sixth switch (BCK6) for controlling the position of the third pressurizing piston when the third high pressure chamber (BC) is depressurized; and after the fifth switch (BCK5) is triggered, the fifth switch (BCK5) is used for informing the first reversing valve (AAD) to be electrified and connected with the second oil pipe (AAG2), the pump injects oil into the first pressurizing cavity through the second oil pipe (AAG2) and pressurizes the first pressurizing cavity to push the second pressurizing piston to move towards the second high-pressure cavity (AB), and the high-pressure oil is output to the throttle valve through the fourth oil pipe (ABG4) and the second one-way valve (ABS 2).
8. A pressurised oil supply circuit arrangement as claimed in claim 7, characterised in that the fourth oil line (ABG4) communicates with the second pressure chamber (AB) at a position adjacent to its fixed closed end, in that a fourth switch (ABK4) is provided for controlling the position of the second pressurising piston when the second pressure chamber (AB) is pressurised, and in that a third switch (ABK3) is provided for controlling the position of the second pressurising piston when the second pressure chamber (AB) is depressurised; and the fourth switch (ABK4) is triggered to inform the second reversing valve (BCD) to be electrified and connected with a sixth oil pipe (BCG6), the pump injects oil to the third pressurizing cavity through the sixth oil pipe (BCG6) to pressurize, pushes the fourth pressurizing piston to move to the fourth high-pressure cavity (BD), and the high-pressure oil is output to the throttle valve through an eighth oil pipe (BDG8) and a sixth one-way valve (BDS 6).
9. The pressurized oil supply circuit arrangement as claimed in claim 8, characterized in that the eighth oil pipe (BDG8) communicates with the fourth high-pressure chamber (BD) at a position close to its fixed closed end, an eighth switch (BDK8) for controlling the position of the fourth pressurizing piston when the fourth high-pressure chamber (BD) is pressurized, and a seventh switch (BDK7) for controlling the position of the fourth pressurizing piston when the fourth high-pressure chamber (BD) is depressurized; the eighth switch (BDK8) is triggered to inform the first reversing valve (AAD) to be electrified to be connected with the third oil pipe (ABG3), the pump injects oil to the second pressurizing cavity through the third oil pipe (ABG3) to pressurize, the first pressurizing piston is pushed to move to the first high-pressure cavity (AA), and high-pressure oil is output to the throttle valve through the first oil pipe (AAG1) and the first one-way valve (AAS 1).
10. The pressure-increasing oil supply circuit device as claimed in claim 9, wherein the first switch (AAK1) is triggered to notify the second directional valve (BCD) to be powered on to connect the seventh oil pipe (BDG7), the pump injects oil into the fourth pressure-increasing chamber through the seventh oil pipe (BDG7) to increase pressure, the third pressure-increasing piston is pushed to move to the third high-pressure chamber (BC), and the high-pressure oil is output to the throttle valve through the fifth oil pipe (BCG5) and the fifth check valve (BCs 5).
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| CN201520084176.XU CN204458579U (en) | 2015-02-06 | 2015-02-06 | A kind of supercharging oil supply loop device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520084176.XU CN204458579U (en) | 2015-02-06 | 2015-02-06 | A kind of supercharging oil supply loop device |
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| CN204458579U true CN204458579U (en) | 2015-07-08 |
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| CN105201949A (en) * | 2015-11-04 | 2015-12-30 | 长江大学 | Hydraulic piston reversing mechanism |
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| CN107246422A (en) * | 2017-05-24 | 2017-10-13 | 晋中浩普液压设备有限公司 | A kind of reciprocating-type supercharger reversing arrangement and its application |
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| CN105201949A (en) * | 2015-11-04 | 2015-12-30 | 长江大学 | Hydraulic piston reversing mechanism |
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| CN107246422A (en) * | 2017-05-24 | 2017-10-13 | 晋中浩普液压设备有限公司 | A kind of reciprocating-type supercharger reversing arrangement and its application |
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| CN208333370U (en) * | 2018-07-11 | 2019-01-04 | 四川永星电子有限公司 | A kind of microminiature precision conductive plastic angular displacement sensor |
| CN108916165A (en) * | 2018-07-20 | 2018-11-30 | 张志成 | Double-generator, which is avoided the peak hour, is superimposed the pulse digital flow method of output |
| CN109366761A (en) * | 2018-12-24 | 2019-02-22 | 佛山市永盛达机械有限公司 | A kind of water-jet cutting machine booster |
| CN110043783A (en) * | 2019-04-18 | 2019-07-23 | 黑龙江大学 | It is pressurized controllable type oiling device and correction oil injection method |
| CN110043783B (en) * | 2019-04-18 | 2021-07-13 | 黑龙江大学 | Pressurization controllable oil injection device and method |
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