Axial piston pump valve plate structure and optimization design method thereof

Abstract

The invention discloses a flow plate technical field of an axial piston pump, specifically an axial piston pump flow plate structure and an optimization design method thereof, including a built-in component of the piston pump, which is installed inside the axial piston pump, and the front end of the built-in component of the piston pump is used to install and limit the piston, and a mounting component is installed inside the rear end of the built-in component of the piston pump, and the output end and input end of the mounting component are connected with the output end and input end of the built-in component of the piston pump, and the mounting component is used to rotationally drive the input and output oil to transmit the oil in a vortex shape. The invention can enable the flow plate mechanism to withstand high pressure and the impact of large flow, and can also distribute the pressure of the continuous pressure on the oil, reduce the stress concentration phenomenon, and make the flow of oil smoother, while reducing the energy loss and noise of the pump body.

Description

Technical Field

[0001] The invention relates to the technical field of an axial piston pump valve plate, in particular to an axial piston pump valve plate structure and an optimization design method thereof. Background Art

[0002] The axial piston pump is an important power component of the hydraulic system. It has the advantages of simple structure, small size, low noise, high efficiency, long life and self-priming ability. It relies on the reciprocating motion of the plunger in the cylinder to change the volume of the sealed working chamber to achieve oil suction and oil pressure. The axial piston pump is divided into two types: straight-axis type and inclined-axis type. It is widely used in machine tools, forging, metallurgy, engineering, mining, ships and other machinery and other hydraulic transmission systems. Its basic working principle is: the motor drives the shaft to rotate, the swash plate rotates accordingly, and the plunger makes reciprocating linear motion in the cylinder. The plunger absorbs oil when it moves downward and presses and discharges oil when it moves upward, thereby realizing pressurized delivery of the oil. This continuous rotation and reciprocating motion enables the axial piston pump to continuously convert low-pressure oil into high-pressure oil, providing power for the hydraulic system.

[0003] The valve plate of an axial piston pump is one of its core components. It is mainly used to balance pressure, reduce pulsation, improve efficiency, reduce vibration and noise, and improve pump reliability. The valve plate, through its special design, can ensure that the pressure is more uniform and consistent in the axial flow path, while suppressing pulsating flow, allowing the fluid to temporarily accumulate and balance the pressure, thereby producing a smoother and more uniform flow. In addition, the valve plate also helps to reduce pump vibration and noise, create a quieter and more stable operating environment, and improve the long-term reliability and service life of the pump by balancing pressure and reducing stress on pump components.

[0004] The existing bevel axis axial piston pump is a hydraulic transmission device, and there is an inclination angle between the center line of its cylinder body and the center line of the transmission shaft. The pump is mainly composed of a pump housing, a cylinder body, a connecting rod plunger pair, a transmission shaft and other components. The transmission shaft is driven to rotate by an electric motor or a diesel engine, driving the connecting rod and the plunger to rotate the cylinder body. At the same time, the plunger performs reciprocating linear motion in the plunger hole to complete the oil suction and pressure process. When the distribution plate is used in the bevel axis axial piston pump, it is fixed and is used to distribute and drain the oil suction and discharge of the plunger.

[0005] The existing distribution plate is generally composed of double openings or four openings. When the bevel axis axial piston pump is first started, due to the opposite placement of the openings, the oil that enters first will squeeze one side of the distribution plate. Over time, it is easy to cause the verticality of the distribution plate to change, causing the distribution plate to tilt. In addition, when the distribution plate is subjected to a large flow impact, there will be a short-term oil imbalance in the conversion process of the oil suction and discharge of the distribution plate, resulting in a larger flow on one side and a smaller flow on the other side, thereby increasing the flow pressure of the distribution plate. At the same time, there are certain impurities in the oil. When the oil is driven by the bevel axis axial piston pump, some impurities will be adsorbed at the openings of the pump body. After long-term use, the oil collides with the impurities during the output process, causing abnormal noise in the pump body and increasing the energy loss of the pump body.

[0006] Therefore, we propose an axial piston pump valve plate structure and its optimization design method. Summary of the invention

[0007] In view of the above and / or the existing preheating and starting problems of a valve plate structure of an axial piston pump and its optimized design method, the present invention is proposed.

[0008] Therefore, the purpose of the present invention is to provide an axial piston pump distribution plate structure and an optimized design method thereof, by pre-starting the pump body and cooperating with the pressure distribution component and the connecting component of the distribution plate mechanism to pre-fill the oil, so that the pump body can directly absorb and discharge the oil when starting, ensuring that oil always flows when the plunger is driven, which can solve the above-mentioned existing problems.

[0009] To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0010] An axial piston pump valve plate, comprising:

[0011] The built-in component of the plunger pump is installed inside the axial piston pump, and the front end of the built-in component of the plunger pump is used to install and limit the plunger;

[0012] The mounting assembly is mounted at the rear end of the internal component of the plunger pump, and the output end and the input end of the mounting assembly are connected with the output end and the input end of the internal component of the plunger pump, and the mounting assembly is used to drive the input and output oil to rotate, so that the oil is transmitted in a vortex shape;

[0013] The valve plate mechanism is installed at the front end of the mounting assembly, and the front end surface of the valve plate mechanism contacts the plunger. The valve plate mechanism is used to distribute and transmit the oil sucked out and discharged by the plunger.

[0014] As a preferred solution of the axial piston pump valve plate described in the present invention, the built-in components of the piston pump include:

[0015] The built-in housing of the plunger pump is installed inside the axial piston pump, and the internal front end of the built-in housing of the plunger pump is used to install and place the mounting assembly and the distribution plate mechanism;

[0016] The first oil outlet grooves are arranged at both ends of the rear end surface of the built-in housing of the plunger pump, and the first oil outlet grooves are arranged in two groups. At the same time, the two groups of first oil outlet grooves are connected with the two groups of openings of the axial piston pump, and one group of the first oil outlet grooves can discharge the oil sucked by the plunger, and the other group of the first oil outlet grooves can suck the oil pumped by the plunger;

[0017] The first arc groove is arranged at the left end of the outer wall of the built-in housing of the plunger pump.

[0018] As a preferred solution of the axial piston pump valve plate of the present invention, the installation assembly includes:

[0019] A mounting plate is mounted at the rear end of the internal housing of the plunger pump, and the distribution plate mechanism can be communicated and connected through the mounting plate;

[0020] A second arc-shaped groove is arranged at the left end of the outer wall of the mounting plate;

[0021] The second oil outlet groove is arranged on both sides of the rear end surface of the mounting plate. The second oil outlet groove is arranged in two groups, and the two groups of second oil outlet grooves are connected to the two groups of first oil outlet grooves. The oil discharged from the distribution plate mechanism can be received and discharged through the second oil outlet groove.

[0022] As a preferred solution of the axial piston pump valve plate of the present invention, the installation assembly includes:

[0023] A mounting ring is arranged at the inner rear end of the mounting plate, and the mounting ring wraps the two sets of second oil outlet grooves, and at the same time, the mounting ring is connected with the rear end of the distribution plate mechanism;

[0024] The oil-discharging stirring fan is installed inside the second oil outlet groove, and the blades of the oil-discharging stirring fan are in an inclined state. At the same time, the oil-discharging stirring fan can squeeze the blades of the oil-discharging stirring fan through the entry and discharge of oil, thereby driving the oil-discharging stirring fan to rotate, and then driving the oil to swirl;

[0025] The first baffle is arranged in the middle of the mounting ring and separates the two groups of second oil outlet grooves. The first baffle can block the inhaled and discharged oil, so that the inhaled and discharged oil can be transmitted separately.

[0026] As a preferred solution of the axial piston pump valve plate of the present invention, the valve plate mechanism includes:

[0027] The pressure distribution component has a rear end rotatably connected to the inner wall of the mounting ring, and the pressure distribution component can distribute the pressure of the incoming oil so that the oil is discharged and entered evenly;

[0028] A distribution plate assembly, the rear end of which is connected to the inner front end of the mounting plate, and the distribution plate assembly is sealed with the mounting plate, and the oil sucked in and extracted by the plunger can be diverted through the distribution plate assembly;

[0029] A connecting component, whose internal rear end is connected to the front end of the pressure distribution component, and the front end is rotatably connected to the internal rear end of the distribution plate component, and the top of the connecting component passes through the distribution plate component, the second arc groove, the first arc groove and the pump body, and by turning the connecting component, the connecting component drives the pressure distribution component to rotate, so that the oil can be introduced into the interior of the pressure distribution component for pressure balance before the pump body is used.

[0030] As a preferred solution of the axial piston pump valve plate described in the present invention, the pressure distribution component includes:

[0031] The collecting plate has a rear end rotatably connected to the inside of the mounting ring, and a front end of the collecting plate is connected to the inside of the connecting assembly, and the oil discharged by the plunger can be collected through the collecting plate;

[0032] A U-shaped groove is disposed at the inner front end of the collecting plate, and the U-shaped groove is connected to the inner rear end of the connecting assembly;

[0033] The pressure distribution plate is arranged at the front end of the collecting plate, and a plurality of through holes are provided on the surface of the pressure distribution plate, and the oil entering can be discharged and sucked evenly through the plurality of through holes. At the same time, the oil entering first during pre-starting can be blocked by the pressure distribution plate;

[0034] A second baffle is disposed at the middle position of the front end of the surface of the pressure distribution plate, and the pressure distribution plate can be divided by the second baffle, so that one half of the pressure distribution plate can discharge the oil evenly, and the other half of the pressure distribution plate can absorb the oil evenly;

[0035] The rotary valve is rotatably connected to the inner rear end of the collecting tray, and the rotary valve is sealedly connected to the rear end inner wall of the collecting tray. The rotation of the rotary valve can separate the discharged and inhaled oil, and at the same time, the pressure of the discharged and inhaled oil can be balanced.

[0036] As a preferred solution of the axial piston pump valve plate of the present invention, the connecting assembly includes:

[0037] The connecting plate has a rotating block on its front end surface, and the rotating block is rotatably connected to the inner rear end of the distribution plate assembly, and the connecting plate can drive the collecting plate to rotate through the cooperation of the rotating block and the collecting plate;

[0038] An L-shaped groove is arranged inside the connecting plate, and the U-shaped groove is slidably connected inside the L-shaped groove, and the sliding of the U-shaped groove can be limited by the L-shaped groove;

[0039] A pressure spring, one end of which is connected to the inner wall of the L-shaped groove, and the other end of which is connected to the inner wall of the U-shaped groove, and the pressure spring can make the distribution plate assembly contract ductilely;

[0040] Sliding blocks are arranged at the top and bottom of the outer wall of the connection plate, and the sliding blocks are arranged in two groups. At the same time, the sliding blocks are slidably connected to the rear end of the distribution plate assembly;

[0041] The paddle is arranged on the top of the sliding block and penetrates the distribution plate assembly, the second arc groove, the first arc groove and the pump body. The connecting plate and the collecting plate can be rotated by pressing and lifting the paddle.

[0042] As a preferred solution of the axial piston pump valve plate of the present invention, the valve plate assembly includes:

[0043] A distribution plate is mounted on the inner front end of the mounting plate, and the front end of the distribution plate is connected to the plunger;

[0044] The oil discharge and oil inlet arc grooves are arranged on both sides of the front end surface of the distribution plate, and the oil discharge and oil inlet arc grooves are arranged in two groups, one group can receive the oil discharged by the plunger, and the other group can discharge the oil sucked by the plunger.

[0045] As a preferred solution of the axial piston pump valve plate of the present invention, the valve plate assembly includes:

[0046] A slide groove is arranged on the rear outer side of the distribution plate, and the sliding block is slidably connected inside the slide groove, and the sliding of the sliding block can be limited by the slide groove;

[0047] A third arc groove is arranged at the left end of the outer wall of the distributor plate, and the third arc groove penetrates the slide groove. At the same time, the third arc groove is penetrated by the paddle, and the width of the third arc groove is greater than the width of the paddle, so that the paddle can move forward and backward in the third arc groove;

[0048] The blocking posts are arranged at both ends of the inner part of the slide groove, and the blocking posts are in contact with the outer wall of the sliding block, and the sliding sliding block can be blocked by the blocking posts, so that the connecting plate and the collecting plate can achieve a 90-degree rotation;

[0049] The rotating groove is arranged at the rear end of the distribution plate, and the rotating groove is arranged on the inner side of the slide groove. At the same time, the rotating block is slidably connected inside the rotating groove, and the rotation of the rotating block can be limited by the rotating groove.

[0050] A method for using a valve plate of an axial piston pump comprises the following steps:

[0051] S1: By connecting the pump body to a power source and moving the paddle penetrating the pump body, the connecting plate drives the collecting plate and the pressure distribution plate to rotate, so that the second baffle is horizontally located in the middle of the two sets of oil discharge and oil inlet arc grooves. At this time, the pump body is started and pre-started. Through the operation of the pump body, the plunger is rotated, so that the plunger discharges the oil into the pressure distribution plate of the collecting plate through a set of oil discharge and oil inlet arc grooves, so that the oil is evenly distributed at the upper and lower ends of the pressure distribution plate. At this time, the pump body is closed and the paddle is moved to the initial position. At this time, the second baffle is vertically located between the two sets of oil discharge and oil inlet arc grooves and is blocked by the rotating valve, so that the oil fills the collecting plate;

[0052] S2: At this time, the pump body is officially turned on. When the pump body is started, the pump body drives the plunger to rotate, so that the plunger sucks the oil into the inner part of the built-in housing of the plunger pump, and the oil enters the inner part of the collecting plate through a set of oil discharge and oil inlet arc grooves. When the oil continues to enter the inner part of the collecting plate, the distribution plate is continuously affected by the continuous flow of oil, so that the distribution plate shrinks slightly to the rear end, thereby driving the connecting plate and the collecting plate to move slightly to the rear end of the mounting ring;

[0053] S3: At this time, since the collecting plate is first filled with oil, and the filled oil is evenly distributed in the pressure distribution plate by the second baffle, and cooperates with the flow diversion of the rotary valve, when the oil continues to flow, the full oil in the collecting plate will support the distribution plate, so that the distribution plate is always in a balanced state, and when the oil passes through the pressure distribution plate, the oil is diverted through a plurality of groups of through holes on the surface of the pressure distribution plate, and the pressure of the flowing oil is evenly dispersed. At the same time, the rotation of the rotary valve causes the oil to tilt, and the oil moves forward on one side of the rotary valve and moves backward on the other side. When the collecting plate is pre-filled with oil, the flow rate and flow rate of the two oils flowing through the rotary valve are equal, so that the pressure of the collecting plate is balanced;

[0054] S4: After the oil enters the mounting plate, the oil poured into the mounting plate will support the collecting plate at the front end, thereby reducing the stress on the collecting plate. When the oil flows through the oil discharge stirring fan in the second oil outlet groove, the oil discharge stirring fan rotates, driving the flowing oil to perform vortex transmission, so that the rotation of the oil drives the impurities in the oil to gather inside the vortex, and quickly circulates through the second oil outlet groove and the first oil outlet groove, thereby completing the oil circulation operation.

[0055] Compared with existing technologies:

[0056] By preheating the pump body and coordinating the pressure distribution components and connecting components of the distribution plate mechanism to pre-fill with oil, the pump body can directly absorb and discharge the oil when starting, ensuring that oil always flows when the plunger is driven. This allows the distribution plate mechanism to withstand high pressure and, under the impact of large flow, distribute the pressure of the continuous pressure on the oil to reduce stress concentration. The coordination of the distribution plate mechanism and the mounting components can also make the oil flow smoother and reduce the energy loss and noise of the pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Figure 1 A schematic diagram of the overall main structure provided by the present invention;

[0058] Figure 2 A schematic diagram of the overall main view split structure provided by the present invention;

[0059] Figure 3 A left-side structural schematic diagram of a built-in component of a plunger pump provided by the present invention;

[0060] Figure 4 A schematic diagram of the disassembly structure of the installation assembly and the distribution plate mechanism provided by the present invention;

[0061] Figure 5 A schematic diagram of the main structure of the installation assembly provided by the present invention;

[0062] Figure 6 A schematic diagram of the split structure of the pressure distribution component provided by the present invention;

[0063] Figure 7 A rear view schematic diagram of the pressure distribution assembly provided by the present invention;

[0064] Figure 8 A schematic diagram of the cross-sectional structure of the collecting tray provided by the present invention;

[0065] Fig. 9 A schematic diagram of the structure of the connection assembly provided by the present invention;

[0066] Fig.10 A schematic cross-sectional structural diagram of a connection assembly provided by the present invention;

[0067] Fig.11 A schematic diagram of the main structure of the distribution plate assembly provided by the present invention;

[0068] Fig.12 This is a schematic diagram of the rear structural view of the distribution plate assembly provided by the present invention.

[0069] In the figure:

[0070] Plunger pump built-in component 1, plunger pump built-in shell 11, first oil outlet groove 12, first arc groove 13, installation component 2, installation plate 21, second arc groove 22, second oil outlet groove 23, installation ring 24, oil discharge stirring fan 25, first baffle 26, distribution plate mechanism 3, pressure distribution component 31, collection plate 311, U-shaped groove 312, pressure distribution plate 313, second baffle 314, rotary valve 315, connecting component 32, connecting plate 321, L-shaped groove 322, pressure spring 323, rotating block 324, sliding block 325, paddle 326, distribution plate assembly 33, distribution plate 331, oil discharge and oil inlet arc groove 332, slide groove 333, third arc groove 334, blocking column 335, rotating groove 336. DETAILED DESCRIPTION

[0071] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0072] The present invention provides an axial piston pump valve plate structure and an optimization design method thereof, please refer to Figure 1-Figure 12 , including a plunger pump built-in component 1, a mounting component 2 and a distribution plate mechanism 3;

[0073] The built-in component 1 of the plunger pump is installed inside the axial piston pump, and the front end of the built-in component 1 of the plunger pump is used to install and limit the plunger. The built-in component 1 of the plunger pump includes: a built-in housing 11 of the plunger pump, a first oil outlet groove 12 and a first arc groove 13. The built-in housing 11 of the plunger pump is installed inside the axial piston pump, and the internal front end of the built-in housing 11 of the plunger pump is used to install and place the installation component 2 and the distribution plate mechanism 3. The first oil outlet groove 12 is arranged at both ends of the rear end surface of the built-in housing 11 of the plunger pump, and the first oil outlet groove 12 is arranged in two groups. At the same time, the two groups of first oil outlet grooves 12 are connected to the two groups of openings of the axial piston pump, and one group of the first oil outlet grooves 12 can discharge the oil sucked in by the plunger, and the other group of the first oil outlet grooves 12 can suck the oil drawn by the plunger. The first arc groove 13 is arranged at the left end of the outer wall of the built-in housing 11 of the plunger pump.

[0074] The mounting assembly 2 is mounted at the rear end of the internal part of the plunger pump built-in assembly 1, and the output end and input end of the mounting assembly 2 are connected to the output end and input end of the built-in assembly 1 of the plunger pump, and the mounting assembly 2 is used to rotationally drive the input and output oil so that the oil is transmitted in a vortex shape. The mounting assembly 2 includes: a mounting plate 21, a second arc groove 22, a second oil outlet groove 23, a mounting ring 24, an oil discharge stirring fan 25 and a first baffle 26. The mounting plate 21 is mounted at the rear end of the internal part of the built-in housing 11 of the plunger pump, and the distribution plate mechanism 3 can be connected and connected through the mounting plate 21. The second arc groove 22 is arranged at the left end of the outer wall of the mounting plate 21. The second oil outlet groove 23 is arranged on both sides of the rear end surface of the mounting plate 21. The second oil outlet groove 23 is arranged in two groups, and the two groups of second oil outlet grooves 23 are connected to the two groups of first oil outlet grooves. 12 is connected, and the oil discharged from the distribution plate mechanism 3 can be received and discharged through the second oil outlet groove 23. The mounting ring 24 is arranged at the inner rear end of the mounting plate 21, and the mounting ring 24 wraps the two groups of second oil outlet grooves 23. At the same time, the mounting ring 24 is connected with the rear end of the distribution plate mechanism 3. The oil discharge agitator 25 is installed in the second oil outlet groove 23, and the blades of the oil discharge agitator 25 are in an inclined state. At the same time, the oil discharge agitator 25 can squeeze the blades of the oil discharge agitator 25 through the entry and discharge of oil, thereby driving the oil discharge agitator 25 to rotate, and then driving the oil to swirl. The first baffle 26 is arranged in the middle of the mounting ring 24, and separates the two groups of second oil outlet grooves 23. The first baffle 26 can block the inhaled and discharged oil, so that the inhaled and discharged oil can be separated and transmitted.

[0075] The distribution plate mechanism 3 is installed at the front end of the mounting assembly 2, and the front end surface of the distribution plate mechanism 3 is in contact with the plunger, and the distribution plate mechanism 3 is used to distribute and transmit the oil sucked out and discharged by the plunger. The distribution plate mechanism 3 includes: a pressure distribution assembly 31, a collection plate 311, a U-shaped groove 312, a pressure distribution plate 313, a second baffle 314, a rotary valve 315, a connecting assembly 32, a connecting plate 321, an L-shaped groove 322, a pressure spring 323, a rotating block 324, a sliding block 325, a paddle 326, a distribution plate assembly 33, a distribution plate 331, an oil discharge and oil inlet arc groove 332, a slide groove 333, a third arc groove 334, a blocking column 335 and a rotating groove 336. The pressure distribution assembly 31, whose rear end is rotatably connected to the mounting ring 2 4, and the pressure distribution component 31 can distribute the pressure of the incoming oil so that the oil is discharged and entered evenly, the collecting plate 311, the rear end of which is rotatably connected to the inside of the mounting ring 24, and the front end of the collecting plate 311 is connected to the inside of the connecting component 32, and the oil discharged by the plunger can be collected by the collecting plate 311, the U-shaped groove 312 is arranged at the front end of the inside of the collecting plate 311, and the U-shaped groove 312 is connected to the rear end of the inside of the connecting component 32, the pressure distribution plate 313 is arranged at the front end of the inside of the collecting plate 311, and the surface of the pressure distribution plate 313 is provided with a plurality of groups of through holes, and the incoming oil can be evenly discharged and sucked through the plurality of through holes, and at the same time, the pre-starting The first oil to enter is blocked, the second baffle 314 is arranged in the middle position of the front end of the surface of the pressure distribution plate 313, and the pressure distribution plate 313 can be separated by the second baffle 314, so that half of the pressure distribution plate 313 can discharge the oil evenly, and the other half of the pressure distribution plate 313 can suck the oil evenly, the rotary valve 315 is rotatably connected to the inner rear end of the collecting plate 311, and the rotary valve 315 is sealedly connected to the rear end inner wall of the collecting plate 311, and the rotation of the rotary valve 315 can separate the discharged and sucked oil, and at the same time, the pressure of the discharged and entered oil can be balanced, the connecting component 32, the inner rear end of which is connected to the front end of the pressure distribution component 31, and the front end is rotatably connected to the distribution plate component 33 The inner rear end, and the top of the connecting component 32 passes through the distribution plate component 33, the second arc groove 22 and the first arc groove 13 and the pump body, and by dialing the connecting component 32, the connecting component 32 drives the pressure distribution component 31 to rotate, so that the oil can be first introduced into the pressure distribution component 31 for pressure balance before the pump body is used. The connecting plate 321 has a rotating block 324 on its front end surface, and the rotating block 324 is rotatably connected to the inner rear end of the distribution plate component 33, and through the cooperation of the rotating block 324 and the collecting plate 311, the connecting plate 321 can drive the collecting plate 311 to rotate, and the L-shaped groove 322 is arranged inside the connecting plate 321, and the U-shaped groove 312 is slidably connected to the inside of the L-shaped groove 322.The L-shaped groove 322 can limit the sliding of the U-shaped groove 312. The pressure spring 323 has one end connected to the inner wall of the L-shaped groove 322 and the other end connected to the inner wall of the U-shaped groove 312. The pressure spring 323 can make the distribution plate assembly 33 shrink ductilely. The sliding block 325 is arranged at the top and bottom of the outer wall of the connecting plate 321, and the sliding block 325 is arranged in two groups. At the same time, the sliding block 325 is slidably connected to the rear end of the distribution plate assembly 33. The paddle 326 is arranged at the top of the sliding block 325, and the paddle 326 penetrates the distribution plate assembly 33 and the second arc The groove 22 and the first arc groove 13 and the pump body, and by pressing and lifting the paddle 326, the connecting plate 321 and the collecting plate 311 can be rotated, the distribution plate assembly 33, the rear end of which is connected to the inner front end of the mounting plate 21, and the distribution plate assembly 33 is sealed and connected to the mounting plate 21, and the oil sucked and extracted by the plunger can be diverted through the distribution plate assembly 33, the distribution plate 331, which is installed at the inner front end of the mounting plate 21, and the front end of the distribution plate 331 is connected to the plunger, the oil discharge and oil inlet arc groove 332, which is arranged on both sides of the front end surface of the distribution plate 331, and the oil discharge and oil inlet arc groove 332 The invention is provided with two groups, one group can receive the oil discharged by the plunger, and the other group can discharge the oil sucked by the plunger. The slide groove 333 is provided at the outer side of the rear end of the distribution plate 331, and the sliding block 325 is slidably connected to the inside of the slide groove 333, and the sliding of the sliding block 325 can be limited by the slide groove 333. The third arc groove 334 is provided at the left end of the outer wall of the distribution plate 331, and the third arc groove 334 passes through the slide groove 333. At the same time, the third arc groove 334 is penetrated by the paddle 326, and the width of the third arc groove 334 is greater than the width of the paddle 326, so that the paddle 326 6 can move forward and backward in the third arc groove 334, the blocking column 335 is arranged at both ends of the inner side of the slide groove 333, and the blocking column 335 contacts the outer wall of the sliding block 325, and the sliding sliding block 325 can be blocked by the blocking column 335, so that the connecting plate 321 and the collecting plate 311 can rotate 90 degrees, the rotating groove 336 is arranged at the rear end of the distribution plate 331, and the rotating groove 336 is arranged on the inner side of the slide groove 333, and at the same time, the rotating block 324 is slidably connected to the inside of the rotating groove 336, and the rotating groove 336 can limit the rotation of the rotating block 324.

[0076] During specific use, a person skilled in the art will connect the pump body to a power source and move the paddle 326 that runs through the pump body, so that the connecting plate 321 drives the collecting plate 311 and the pressure distribution plate 313 to rotate, so that the second baffle 314 is horizontally arranged in the middle of the two groups of oil discharge and oil inlet arc grooves 332. At this time, the pump body is started and pre-started. Through the operation of the pump body, the plunger is rotated, so that the plunger discharges the oil through a group of oil discharge and oil inlet arc grooves 332 into the pressure distribution plate 313 of the collecting plate 311, so that the oil is evenly distributed at the upper and lower ends of the pressure distribution plate 313. At this time, the pump body is closed and the paddle 326 is moved to the initial position. When the oil is pumped into the pump 311, the pump 312 is in a closed position, and the oil pump 312 is in a closed position. ... The collecting plate 311 is first filled with oil, and the filled oil is evenly distributed in the pressure distribution plate 313 by the second baffle 314, and cooperates with the flow diversion of the rotary valve 315. When the oil continues to flow, the full oil in the collecting plate 311 will support the distribution plate 331, so that the distribution plate 331 is always in a balanced state. When the oil passes through the pressure distribution plate 313, the oil is diverted through several groups of through holes on the surface of the pressure distribution plate 313, and the pressure of the flowing oil is evenly dispersed. At the same time, the rotation of the rotary valve 315 causes the oil to tilt, and the oil moves forward on one side of the rotary valve 315 and moves backward on the other side. When the collecting plate 311 is pre-filled with oil, the flow rate and flow rate of the two oils flowing through the rotating valve 315 are equal, thereby balancing the pressure of the collecting plate 311. After the oil enters the mounting plate 21, the oil poured into the mounting plate 21 will support the collecting plate 311 at the front end, thereby reducing the stress on the collecting plate 311. When the oil flows through the oil discharge agitator 25 in the second oil outlet groove 23, the oil discharge agitator 25 rotates, driving the flowing oil to perform vortex transmission, so that the rotation of the oil drives the impurities in the oil to gather inside the vortex, and quickly circulates the second oil outlet groove 23 and the first oil outlet groove 12, thereby completing the oil circulation operation.

[0077] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An axial piston pump valve plate, characterized in that: include: A plunger pump built-in component (1) is installed inside the axial plunger pump, and the front end of the plunger pump built-in component (1) is used to install and limit the plunger; A mounting assembly (2) is mounted inside the rear end of the plunger pump built-in assembly (1), and the output end and the input end of the mounting assembly (2) are connected to the output end and the input end of the plunger pump built-in assembly (1), and the mounting assembly (2) is used to drive the input and output oil to rotate, so that the oil is transmitted in a vortex shape; A valve plate mechanism (3) is mounted at the front end of the mounting assembly (2), and the front end surface of the valve plate mechanism (3) is in contact with the plunger, and the valve plate mechanism (3) is used to distribute and transmit the oil sucked out and discharged into the plunger; The plunger pump built-in component (1) comprises: a plunger pump built-in housing (11) and a first arc-shaped groove (13); The built-in housing (11) of the plunger pump is installed inside the axial plunger pump, and the internal front end of the built-in housing (11) of the plunger pump is used to install and place the mounting assembly (2) and the distribution plate mechanism (3); The mounting assembly (2) comprises: a second arc-shaped groove (22); The distribution plate mechanism (3) comprises: a pressure distribution component (31), a distribution plate component (33) and a connection component (32); the connection component (32) comprises: a sliding block (325) and a paddle (326), wherein the paddle (326) is arranged on the top of the sliding block (325), and the paddle (326) penetrates the distribution plate component (33), the second arc-shaped groove (22), the first arc-shaped groove (13) and the pump body.

2. The axial piston pump valve plate according to claim 1, characterized in that: The plunger pump built-in component (1) comprises: First oil outlet grooves (12) are arranged at both ends of the rear end surface of the built-in housing (11) of the plunger pump, and the first oil outlet grooves (12) are arranged in two groups. At the same time, the two groups of first oil outlet grooves (12) are connected to the two groups of openings of the axial plunger pump; The first arc-shaped groove (13) is arranged at the left end of the outer wall of the built-in housing (11) of the plunger pump.

3. The axial piston pump valve plate according to claim 2, characterized in that: The installation component (2) comprises: A mounting plate (21) mounted on the rear end of the inner part of the built-in housing (11) of the plunger pump; A second arc-shaped groove (22) is arranged at the left end of the outer wall of the mounting plate (21); The second oil outlet grooves (23) are arranged on both sides of the rear end surface of the mounting plate (21). The second oil outlet grooves (23) are arranged in two groups, and the two groups of second oil outlet grooves (23) are connected to the two groups of first oil outlet grooves (12).

4. The axial piston pump valve plate according to claim 3, characterized in that: The installation component (2) comprises: A mounting ring (24) is arranged at the inner rear end of the mounting plate (21), and the mounting ring (24) wraps the two sets of second oil outlet grooves (23), and at the same time, the mounting ring (24) is connected to the rear end of the distribution plate mechanism (3); An oil discharge stirring fan (25) installed inside the second oil outlet tank (23); A first baffle (26) is arranged in the middle of the mounting ring (24) and separates the two groups of second oil outlet grooves (23).

5. The axial piston pump valve plate according to claim 4, characterized in that: The valve plate mechanism (3) comprises: A pressure distribution assembly (31), the rear end of which is rotatably connected to the inner wall of the mounting ring (24); A distribution plate assembly (33), the rear end of which is connected to the inner front end of the mounting plate (21), so that the distribution plate assembly (33) is sealedly connected to the mounting plate (21); The connecting component (32) has an inner rear end connected to the front end of the pressure distribution component (31), and the front end is rotatably connected to the inner rear end of the distribution plate component (33), and the top of the connecting component (32) penetrates the distribution plate component (33), the second arc groove (22), the first arc groove (13) and the pump body.

6. The axial piston pump valve plate according to claim 5, characterized in that: The pressure distribution component (31) comprises: A collecting plate (311) whose rear end is rotatably connected to the inside of the mounting ring (24), and whose front end is connected to the inside of the connecting assembly (32); A U-shaped groove (312) is arranged at the inner front end of the collecting plate (311), and the U-shaped groove (312) is connected to the inner rear end of the connecting assembly (32); A pressure distribution plate (313) is arranged at the front end of the interior of the collecting plate (311), and a plurality of groups of through holes are provided on the surface of the pressure distribution plate (313); A second baffle (314) disposed at a middle position at the front end of the surface of the pressure distribution plate (313); The rotary valve (315) is rotatably connected to the inner rear end of the collecting tray (311), and the rotary valve (315) is sealedly connected to the inner wall of the rear end of the collecting tray (311).

7. The axial piston pump valve plate according to claim 6, characterized in that: The connection component (32) comprises: A connecting plate (321) has a rotating block (324) on its front end surface, and the rotating block (324) is rotatably connected to the inner rear end of the distribution plate assembly (33); An L-shaped groove (322) is arranged inside the connection plate (321) and enables the U-shaped groove (312) to be slidably connected inside the L-shaped groove (322); A pressure spring (323), one end of which is connected to the inner wall of the L-shaped groove (322), and the other end of which is connected to the inner wall of the U-shaped groove (312); The sliding blocks (325) are arranged at the top and bottom of the outer wall of the connection plate (321), and the sliding blocks (325) are arranged in two groups. At the same time, the sliding blocks (325) are slidably connected to the rear end of the distribution plate assembly (33).

8. The axial piston pump valve plate according to claim 7, characterized in that: The distribution plate assembly (33) comprises: A distribution plate (331) is mounted on the inner front end of the mounting plate (21), and the front end of the distribution plate (331) is connected to the plunger; The oil discharge and oil inlet arc grooves (332) are arranged on both sides of the front end surface of the distribution plate (331), and the oil discharge and oil inlet arc grooves (332) are arranged in two groups, one group can receive the oil discharged by the plunger, and the other group can discharge the oil sucked by the plunger.

9. The axial piston pump valve plate according to claim 8, characterized in that: The distribution plate assembly (33) comprises: A slide groove (333) is arranged on the outer side of the rear end of the distribution plate (331), and enables the sliding block (325) to be slidably connected inside the slide groove (333); A third arc-shaped groove (334) is arranged at the left end of the outer wall of the distribution plate (331), and the third arc-shaped groove (334) penetrates the slide groove (333). At the same time, the third arc-shaped groove (334) is penetrated by the paddle (326); Stop posts (335) are arranged at both ends of the inner part of the slide groove (333), and the stop posts (335) are in contact with the outer wall of the sliding block (325); The rotating groove (336) is arranged at the rear end of the distribution plate (331), and the rotating groove (336) is arranged on the inner side of the slide groove (333). At the same time, the rotating block (324) is slidably connected inside the rotating groove (336).

10. A method for using the valve plate of an axial piston pump according to claim 9, characterized in that: The steps include: S1: The pump body is connected to a power source and the paddle (326) penetrating the pump body is moved, so that the connection plate (321) drives the collection plate (311) and the pressure distribution plate (313) to rotate, so that the second baffle (314) is horizontally located between the two sets of oil discharge and oil inlet arc grooves (332). At this time, the pump body is started and pre-started. The operation of the pump body causes the plunger to rotate, so that the plunger discharges the oil through the set of oil discharge and oil inlet arc grooves (332) into the pressure distribution plate (313) of the collection plate (311), so that the oil is evenly distributed at the upper and lower ends of the pressure distribution plate (313). At this time, the pump body is closed and the paddle (326) is moved to the initial position. At this time, the second baffle (314) is vertically located between the two sets of oil discharge and oil inlet arc grooves (332) and is blocked by the rotating valve (315), so that the oil fills the collection plate (311); S2: At this time, the pump body is officially turned on. When the pump body is started, the pump body drives the plunger to rotate, so that the plunger sucks oil into the interior of the plunger pump built-in housing (11), and the oil enters the interior of the collecting plate (311) through a set of oil discharge and oil inlet arc grooves (332). When the oil continues to enter the interior of the collecting plate (311), the distribution plate (331) is continuously affected by the flow of oil, causing the distribution plate (331) to shrink slightly toward the rear end, thereby driving the connecting plate (321) and the collecting plate (311) to move slightly toward the rear end of the mounting ring (24); S3: At this time, since the inside of the collecting plate (311) is first filled with oil, and the filled oil is evenly distributed in the pressure distribution plate (313) by the second baffle (314), and cooperates with the flow diversion of the rotary valve (315), when the oil continues to flow, the full oil inside the collecting plate (311) will support the distribution plate (331), so that the distribution plate (331) is always in a balanced state, and when the oil passes through the pressure distribution plate (313), the oil is diverted through a plurality of groups of through holes on the surface of the pressure distribution plate (313), and the pressure of the flowing oil is evenly dispersed. At the same time, the rotation of the rotary valve (315) causes the oil to tilt, and the oil moves forward on one side of the rotary valve (315) and moves backward on the other side. In the state where the collecting plate (311) is pre-filled with oil, the flow rate and flow rate of the two oils flowing through the rotary valve (315) are equal, so that the pressure of the collecting plate (311) is balanced; S4: After the oil enters the mounting plate (21), the oil poured into the mounting plate (21) supports the collecting plate (311) at the front end, thereby reducing the stress on the collecting plate (311). When the oil flows through the oil discharge stirring fan (25) in the second oil outlet groove (23), the oil discharge stirring fan (25) rotates, driving the flowing oil to perform vortex transmission, so that the rotation of the oil drives the impurities in the oil to gather inside the vortex, and quickly circulates through the second oil outlet groove (23) and the first oil outlet groove (12), thereby completing the oil circulation operation.

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