CN214661189U

CN214661189U - Reciprocating slurry pump transmission liquid quantitative compensation valve group

Info

Publication number: CN214661189U
Application number: CN202121101552.3U
Authority: CN
Inventors: 高丽艳; 张强; 张擎宇; 张俊飞; 李向军; 冯泉; 张宪伟
Original assignee: Liaoning Wuhuan Special Materials And Intelligent Equipment Industry Technology Research Institute Co ltd
Current assignee: Liaoning Wuhuan Special Materials And Intelligent Equipment Industry Technology Research Institute Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-09
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a reciprocating slurry pump transmission fluid quantitative compensation valve group, which comprises a master control valve group and a fuel/oil supply valve group, wherein the master control valve group and the fuel/oil supply valve group are connected together through a fuel supply side oil path pipe and a fuel return side oil path pipe; the main control valve group comprises a main control valve, an auxiliary oil valve and a main control valve group bottom plate, the main control valve and the auxiliary oil valve are arranged on the main control valve group bottom plate, and the main control valve, the auxiliary oil valve and the main control valve group bottom plate are in sealing connection; the oil supply/return valve group comprises an oil supply valve, an oil return valve and an oil supply/return valve group bottom plate, wherein the oil supply valve and the oil return valve are arranged on the oil supply/return valve group bottom plate, and the oil supply valve, the oil return valve and the oil supply/return valve group bottom plate are in sealing connection. The utility model discloses an accurate ration of reciprocating type slurry pump transmission liquid has improved pumping efficiency, has improved the glued membrane life-span, and the group valve group is the safety protection valve that single valve seal revealed to and the undulant safety protection valve of atmospheric pressure, realized fuel feeding and the chain switching of auxiliary oil.

Description

Reciprocating slurry pump transmission liquid quantitative compensation valve group

Technical Field

The utility model belongs to the technical field of reciprocating type slurry pump, specifically relate to a reciprocating type slurry pump transmission fluid ration compensation valves.

Background

Due to the characteristics of working performance, the reciprocating slurry pump requires that the amount of transmission fluid in each hydraulic cavity is kept at a constant value. The hydraulic oil in the hydraulic cavity can reduce leakage and loss or the liquid filling is excessive during liquid filling, and the change of the oil quantity of each hydraulic cavity directly influences the effective volume of the material cavity of the reciprocating slurry pump, so that the pumping efficiency is influenced, and the service life of an adhesive film is shortened.

Leakage of a single supply valve can cause high pressure oil in the hydraulic chamber to leak into the accumulator of the supply line, causing the accumulator to sense a rise in pressure that does not reach the pressure signal that triggers charging of the accumulator. Therefore, the hydraulic oil is repeatedly leaked and circulated between the hydraulic cavity and the energy accumulator, a small-range invalid action is formed without effective oil supplement, and the transmission liquid quantification cannot be realized.

Disclosure of Invention

The utility model discloses to above-mentioned problem, remedy prior art not enough, provide a reciprocating type slurry pump transmission fluid ration compensation valves.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

Reciprocating type slurry pump transmission fluid ration compensating valve group, its characterized in that: the general control valve group and the oil supply/return valve group are connected together through an oil supply side oil path pipe and an oil return side oil path pipe; the main control valve group comprises a main control valve, an auxiliary oil valve and a main control valve group bottom plate, the main control valve and the auxiliary oil valve are arranged on the main control valve group bottom plate, and the main control valve, the auxiliary oil valve and the main control valve group bottom plate are in sealing connection; the oil supply/return valve group comprises an oil supply valve, an oil return valve and an oil supply/return valve group bottom plate, wherein the oil supply valve and the oil return valve are arranged on the oil supply/return valve group bottom plate, and the oil supply valve, the oil return valve and the oil supply/return valve group bottom plate are in sealing connection.

As an optimized scheme of the utility model, still include the electromagnetic directional valve, the electromagnetic directional valve gas port passes through pneumatic tube and connects the body to correspond with each valve cylinder of total group valve group, confession/oil return valves and is connected.

As another preferred scheme of the utility model, the oil supply side oil path pipe is connected with the master control valve group and the oil supply/return valve group through universal oil through bolts, and the oil return side oil path pipe is connected with the oil supply/return valve group through universal oil through bolts; an inner side sealing gasket is arranged between the universal oil through bolt and a master control valve of the master control valve group, and an outer side sealing gasket is arranged between the universal oil through bolt and an oil supply side oil path pipe; an inner side sealing gasket and an outer side sealing gasket are arranged between the universal oil through bolt and the valve of the oil supply/return valve group and between the universal oil through bolt and the oil supply/return side oil path pipe.

As another preferred scheme of the utility model, the master control valve is connected with the master control valve group bottom plate in a sealing way through a group of O-shaped sealing rings, and the group of O-shaped sealing rings comprises a first O-shaped sealing ring and a second O-shaped sealing ring; the master control valve comprises a master control valve body, a master control valve core and a master control one-way valve, wherein the master control valve core is arranged in the master control valve body, the master control valve body is fixedly connected with a master control valve group bottom plate through an inner hexagonal cylindrical screw, a sealing ring placing groove is formed in the end face, connected with the master control valve group bottom plate, of the master control valve body, and a second O-shaped sealing ring is arranged in the sealing ring placing groove; the lower part of the valve core of the master control valve is connected with the master control one-way valve in a matched mode, the master control one-way valve is connected with the master control valve group bottom plate through threads, a thread opening of the master control one-way valve is installed on the master control valve group bottom plate, and a first O-shaped sealing ring is arranged in the thread opening.

As another preferred scheme of the utility model, the master control one-way valve comprises a one-way valve seat, a spring, a one-way valve core and a one-way valve body; the outer side of the valve body of the one-way valve is provided with an external thread which is matched and connected with a threaded port of a base plate of the master control valve group, the inner side surface of the valve body of the one-way valve is a conical surface, a valve core of the one-way valve is arranged in the valve body of the one-way valve, and the appearance of the upper part of the valve core is matched with the inner side surface of the valve body of the one-way valve; the valve core of the one-way valve is provided with a guide sleeve, the valve core of the one-way valve is sleeved on a guide rod of a valve seat of the one-way valve through the guide sleeve and connected together through a spring, a spigot is arranged at the lower port of the valve body of the one-way valve, and the lower end face of the valve seat of the one-way valve is in interference fit with the spigot of the valve body of the one-way valve; the lower end of the valve core of the master control valve is provided with a connected ejector rod, and the connected ejector rod penetrates through the upper port of the valve body of the one-way valve and is connected with the valve core of the one-way valve in a matching way.

As another kind of preferred scheme of the utility model, total accuse check valve still include that metal gasket, non-metallic sealing fill up, metal gasket, non-metallic sealing fill up and set up between the upper end cone head of check valve case and spring, non-metallic sealing fills up and sets up in the metal gasket top, metal gasket and spring contact.

As another preferred scheme of the utility model, the oil supply valve, the oil return valve and the bottom plate of the oil supply/return valve group are hermetically connected through another group of O-shaped sealing rings, and the another group of O-shaped sealing rings comprises a third O-shaped sealing ring and a fourth O-shaped sealing ring; the oil supply valve and the oil return valve respectively comprise an oil supply/return valve group valve body, an oil supply/return valve group valve core and a non-metal sealing element, the oil supply/return valve group valve core is arranged in the oil supply/return valve group valve body, and the non-metal sealing element is embedded at the bottom of the oil supply/return valve group valve core in an interference fit manner; the valve body of the oil supply/return valve group and the bottom plate of the oil supply/return valve group are fixedly connected by adopting an inner hexagonal cylindrical head screw and are hermetically connected by a fourth O-shaped sealing ring.

As another preferred scheme of the utility model, the oil supply valve further comprises an oil supply check valve, the oil supply check valve is in threaded connection with the bottom plate of the oil supply/return valve group and is sealed by a third O-shaped sealing ring; the oil return valve further comprises an oil return nozzle, the oil return nozzle is in threaded connection with a bottom plate of the oil supply/return valve group and is sealed through a third O-shaped sealing ring, the upper end face of the oil return nozzle is matched with the lower end face of a non-metal sealing piece above the oil return nozzle, and an outer circle fillet R is arranged in the upper end face of the oil return nozzle.

As another preferred scheme of the utility model, supplementary oil valve inner structure be the same with oil return valve inner structure.

The utility model has the advantages of.

The utility model provides a reciprocating type slurry pump transmission fluid quantitative compensation valves has realized the accurate ration of reciprocating type slurry pump transmission fluid, has improved pumping efficiency, has improved the glued membrane life-span. The low pressure fuel feeding depends on the pressure change of the reciprocating pumping to suck the oil, thereby saving the energy consumption, having low lowest pressure of the transmission fluid and high slurry sucking efficiency. The transmission liquid quantitative compensation valve group is provided with a master control valve group, the main functions of the master control valve group are a safety protection valve for sealing leakage of a single valve and a safety protection valve for air pressure fluctuation, and linkage switching of oil supply and auxiliary oil is realized.

Drawings

In order to make the technical problem, technical scheme and beneficial effect that the utility model solved more clearly understand, it is right to combine the attached drawing and detailed description mode below the utility model discloses further detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.

Fig. 1 is a schematic view of the structure of the reciprocating slurry pump transmission fluid quantitative compensation valve set.

Fig. 2 is a schematic view of the top view structure of the reciprocating slurry pump transmission fluid quantitative compensation valve set of the present invention.

Fig. 3 is the schematic view of the sectional structure of the oil supply part of the master control valve of the reciprocating slurry pump transmission fluid quantitative compensation valve group of the present invention.

Fig. 4 is an enlarged schematic view of fig. 3.

Figure 5 is the sectional structure schematic diagram of the general control valve group F-F of the reciprocating slurry pump transmission fluid quantitative compensation valve group of the utility model.

Figure 6 is a schematic diagram of the cross-sectional structure of the oil supply/return valve group E-E of the reciprocating slurry pump transmission fluid quantitative compensation valve group of the present invention.

Figure 7 is the working principle diagram of the reciprocating slurry pump transmission fluid quantitative compensation valve group of the utility model.

The labels in the figure are: a00 is a master control valve group, 01 is a master control valve group base plate, 0200 is a master control one-way valve, 0201 is a one-way valve seat, 0202 is a spring, 0203 is a one-way valve core, 0204 is a metal gasket, 0205 is a non-metal sealing gasket, 0206 is a one-way valve body, 0300 is a master control valve body, 0301 is a master control valve core, 04 is a first O-shaped sealing ring, 05 is a second O-shaped sealing ring, B00 is a supply/return valve group, 06 is a supply/return valve group base plate, 0700 is an oil supply one-way valve, 0800 is a supply/return valve core, 0801 is a non-metal sealing member, 0802 is a supply/return valve group valve body, 09 is an oil supply side oil path pipe, 10 is a universal oil through bolt, 11 is an outer side sealing gasket, 12 is an inner side sealing gasket, 13 is a nozzle, 14 is an oil path pipe on a return side, 15 is a third O-shaped sealing ring, 16 is a fourth O-shaped sealing ring, 17 is a master control valve, 18 is an auxiliary oil path pipe, The oil supply valve 19 and the oil return valve 20 are provided.

Detailed Description

The utility model discloses a reciprocating slurry pump transmission fluid quantitative compensation valve group, which is shown in the attached drawing and comprises a master control valve group A00, a supply/return oil valve group B00, a valve bottom plate, a universal oil through bolt 10, a side oil path pipe and an electromagnetic reversing valve; the valve bottom plate comprises a master control valve group bottom plate 01 and a supply/return valve group bottom plate 06, and the side oil path pipe comprises an oil supply side oil path pipe 09 and an oil return side oil path pipe 14; the master control valve group A00 is connected with the oil supply/return valve group B00 through a side oil path pipe and a universal oil through bolt 10 to realize sharing of a total oil supply/return path, and the oil supply/return valve group B00 corresponds to the transmission hydraulic cavity one by one; the master control valve 17 and the auxiliary oil valve 18 work respectively; the air port of the electromagnetic directional valve is correspondingly connected with each valve cylinder of the master control valve group A00 and the oil supply/return valve group B00 through a pneumatic pipe and a connector body; the electromagnetic directional valve is not shown in the schematic view of the front view and the overlook structure of the utility model.

Referring to fig. 3, 4 and 5, the master control valve group a00 is composed of a master control valve 17, an auxiliary oil valve 18, a master control valve group bottom plate 01, an O-shaped sealing ring, an inner hexagonal socket head cap screw and the like; the structure of the master control valve 17 is as follows: total check valve 0200 is independent part, and it is fixed to adopt threaded connection with total group valve bottom plate 01, and the screw thread mouth open caisson of total control check valve 0200 is installed to total group valve bottom plate 01, puts into first O type sealing washer 04 end face seal, and total control valve body 0300 adopts four hexagon socket head cap screw with total group valve bottom plate 01 fixed to through second O type sealing washer 05 end face seal.

The lower end of the valve core 0301 of the master control valve is provided with a connected ejector rod which can penetrate through the valve body 0206 of the one-way valve and jack up the valve core 0203 of the one-way valve. The upper end face of the valve body 0206 of the one-way valve is used for limiting the stroke of the valve core 0301 of the master control valve, oil ports are uniformly distributed on the upper side face of the valve body 0206 of the one-way valve in a circle, a 72-degree smooth taper hole is formed in the valve body 0206 of the one-way valve, external threads of the valve body 0206 of the one-way valve are connected outwards, and a spigot is arranged at the lower end of the valve body 0206 of the one-way valve. The end cone of the valve core 0203 of the one-way valve is matched and sealed with the valve body 0206 of the one-way valve, and a guide sleeve is arranged on the valve core 0203 of the one-way valve and is matched with a guide rod of the valve seat 0201 of the one-way valve. The lower end surface of the one-way valve seat 0201 is in interference fit with the one-way valve body 0206 spigot, and the one-way valve seat 0201 is provided with a guide rod. The large end of the conical surface of the valve core 0203 of the one-way valve is provided with a non-metal sealing gasket 0205 and a metal gasket 0204, and a spring 0202 is arranged between the metal gasket 0204 and the valve seat 0201 of the one-way valve.

Referring to fig. 6, the oil supply valve 19, the oil return valve 20 and the bottom plate 06 of the oil supply/return valve group are all connected in a sealing manner through another group of O-shaped sealing rings, and the another group of O-shaped sealing rings includes a third O-shaped sealing ring 15 and a fourth O-shaped sealing ring 16; the oil supply valve 19 and the oil return valve 20 respectively comprise an oil supply/return valve group valve body 0802, an oil supply/return valve group valve core 0800 and a non-metal sealing piece 0801, the oil supply/return valve group valve core 0800 is arranged in the oil supply/return valve group valve body 0802, and the non-metal sealing piece 0801 is embedded at the bottom of the oil supply/return valve group valve core 0800 in an interference fit manner; the valve body 0802 of the oil supply/return valve group and the bottom plate 06 of the oil supply/return valve group are fixedly connected by adopting an inner hexagonal cylindrical head screw and are hermetically connected by a fourth O-shaped sealing ring 16.

The oil supply valve 19 further comprises an oil supply one-way valve 0700, and the oil supply one-way valve 0700 is in threaded connection with the oil supply/return valve group bottom plate 06 and is sealed through a third O-shaped sealing ring 15; the oil return valve 20 further comprises an oil return nozzle 13, the oil return nozzle 13 is in threaded connection with the oil supply/return valve group bottom plate 06 and is sealed through a third O-shaped sealing ring 15, the upper end face of the oil return nozzle 13 is matched with the lower end face of a nonmetal sealing piece 0801 above the oil return nozzle to jointly form a stop seal, and an outer circle fillet R is formed in the upper end face of the oil return nozzle 13. The internal structure of the auxiliary oil valve 18 is the same as that of the return oil valve 20. The oil supply one-way valve 0700 is consistent with the component of the master control one-way valve 0200, and can be seen from the figure.

In addition, an energy accumulator is arranged on the oil supply oil way, an oil quantity detection sensor is arranged in each hydraulic cavity, the oil quantity detection sensor can take values through multi-element detection signals, the feedback detection signals are accurate, the truth can reach more than 99%, and the response speed is high. The difference value of the upper limit and the lower limit of the transmission liquid quantification is not more than 0.5 percent of the total liquid quantity, and the oil supply port adopts a damping core to realize accurate quantification.

The pressure fluctuation range of the hydraulic cavity of the reciprocating slurry pump is P0-P2, P0 is more than 0.1MPa and less than 1MPa, and P2 is more than 1MPa and less than 32 MPa; the supply pressure P1 is set to: p0 < P1 < Pe; pe sets the pressure for fuel supply, Pe sets to: pe is less than 2.5 MPa. When the oil quantity is low, the electromagnetic directional valve controls gas, the master control valve 17 of the master control valve group A00 is opened, the auxiliary oil valve 18 of the master control valve group A00 is closed, the oil supply valve 19 corresponding to the hydraulic cavity is opened, oil is supplied when the transmission hydraulic pressure Pt is lower than P1 in the reciprocating slurry suction stroke, the oil supply one-way valve Pt is higher than P1 is automatically closed, and the oil supply check valve is closed to the set stroke number. When the oil amount is detected to be high, the oil return valve 20 is opened, the hydraulic cavity returns oil, and the oil return check valve is closed when the set stroke number is reached. The oil supply signal of the hydraulic cavity is G, and the oil discharge signal of the hydraulic cavity is D.

The master control valve group A00 is provided with the master control valve 17, if the auxiliary oil valve 18 or the single oil return valve 20 leaks in a sealing manner, the transmission fluid cannot leak to the energy accumulator under the normal close state of the master control valve 17, and the problem of small-range circulation caused by the fact that the transmission fluid leaks to the energy accumulator is solved; the main control valve 17 prevents the problem of no-signal opening of the control gas pressure-deficient supply valve 19, and avoids uncontrolled supply of oil from the accumulator.

The master control valve group A00 realizes linkage switching of the oil supply oil path and the auxiliary oil path. When the pressure of the delivery pipe exceeds the rated pressure, the corresponding oil return valve 20 is opened according to the system setting, and the transmission liquid is unloaded, so that the function of electrically controlled overpressure unloading is realized.

The working condition of the valve group is explained by combining the working principle diagram of the reciprocating slurry pump transmission fluid quantitative compensation valve group shown in figure 7; when the reciprocating slurry pump operates normally, taking one of the hydraulic chambers as an example:

when the hydraulic cavity 1 detects that the oil quantity is insufficient, an oil supply signal G1 is sent, an electromagnetic directional valve 11.1 is switched in a charged mode, the air cylinder of a main control valve 5.1 is inflated, the main control valve 5.1 is opened, and a main oil supply way is filled with oil; meanwhile, the 12.1 electromagnetic directional valve is electrified for reversing, the 6.1 auxiliary oil valve cylinder is inflated, and the auxiliary oil valve is closed; 10.1 the electromagnetic directional valve is electrified for direction change, the 7.1 oil supply valve cylinder releases pressure, the 7.1 oil supply valve is opened, and the oil supply path is communicated. In the reciprocating slurry suction stroke, oil is supplied when the transmission fluid pressure Pt is lower than P1, the oil supply one-way valve is automatically closed when Pt is higher than P1, the oil supply signal stops when the set stroke number is reached, the electromagnetic directional valves of 10.1, 11.1 and 12.1 lose power, the springs are centered, and the corresponding valves are reset.

When the hydraulic cavity 1 detects that the oil amount is excessive, an oil return signal D1 is sent, the 9.1 electromagnetic directional valve is electrified for reversing, the 8.1 oil supply valve cylinder is used for releasing pressure, the 8.1 oil return valve is opened, and the oil return path is opened. And returning oil in the reciprocating slurry discharge stroke, stopping the oil return signal until the set stroke number, losing power of the 9.1 electromagnetic directional valve, centering a spring, and resetting an oil return valve.

When the hydraulic cavity 1 detects that the oil pressure exceeds the set pressure, unloading protection is needed, 9.1 electromagnetic directional valves are electrified for reversing, 8.1 oil supply valve cylinders are used for releasing pressure, 8.1 oil return valves are opened, and oil return paths are opened. Until the unloading signal disappears, the 9.1 electromagnetic directional valve loses power, the spring is centered, and the oil return valve resets.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims

1. Reciprocating type slurry pump transmission fluid ration compensating valve group, its characterized in that: the oil supply/return valve group comprises a master valve group (A00) and an oil supply/return valve group (B00), wherein the master valve group (A00) and the oil supply/return valve group (B00) are connected together through an oil supply side oil path pipe (9) and an oil return side oil path pipe (14); the master control valve group (A00) comprises a master control valve (17), an auxiliary oil valve (18) and a master control valve group bottom plate (01), wherein the master control valve (17) and the auxiliary oil valve (18) are arranged on the master control valve group bottom plate (01), and the master control valve (17), the auxiliary oil valve (18) and the master control valve group bottom plate (01) are in sealing connection; the oil supply/return valve group (B00) comprises an oil supply valve (19), an oil return valve (20) and an oil supply/return valve group bottom plate (06), wherein the oil supply valve (19) and the oil return valve (20) are arranged on the oil supply/return valve group bottom plate (06), and the oil supply valve (19), the oil return valve (20) and the oil supply/return valve group bottom plate (06) are in sealing connection.

2. The reciprocating slurry pump transmission fluid quantitative compensation valve set according to claim 1, characterized in that: the air port of the electromagnetic reversing valve is correspondingly connected with each valve cylinder of the master control valve group (A00) and the oil supply/return valve group (B00) through a pneumatic pipe and a connector body.

3. The reciprocating slurry pump transmission fluid quantitative compensation valve set according to claim 1, characterized in that: the oil supply side oil path pipe (9) is connected with the master valve group (A00) and the oil supply/return valve group (B00) through universal oil through bolts (10), and the oil return side oil path pipe (14) is connected with the oil supply/return valve group (B00) through universal oil through bolts (10); an inner side sealing gasket (12) is arranged between the universal oil through bolt (10) and a master control valve (17) of a master control valve group (A00), and an outer side sealing gasket (11) is arranged between the universal oil through bolt (10) and an oil supply side oil path pipe (9); an inner side sealing gasket (12) and an outer side sealing gasket (11) are arranged between the universal oil through bolt (10) and the valve of the oil supply/return valve group (B00) and between the universal oil through bolt and the oil supply/return side oil path pipe.

4. The reciprocating slurry pump transmission fluid quantitative compensation valve set according to claim 1, characterized in that: the master control valve (17) is hermetically connected with a master control valve group bottom plate (01) through a group of O-shaped sealing rings, and the group of O-shaped sealing rings comprise a first O-shaped sealing ring (04) and a second O-shaped sealing ring (05); the master control valve (17) comprises a master control valve body (0300), a master control valve core (0301) and a master control one-way valve (0200), wherein the master control valve core (0301) is arranged in the master control valve body (0300), the master control valve body (0300) is fixedly connected with a master control valve group base plate (01) through an inner hexagonal cylindrical head screw, a sealing ring placing groove is formed in the end face, connected with the master control valve body (0300) and the master control valve group base plate (01), of the master control valve body (0300), and a second O-shaped sealing ring (05) is arranged in the sealing ring placing groove; valve core (0301) lower part and the cooperation of always controlling between check valve (0200) are connected, always control between check valve (0200) and always control group valve bottom plate (01) through threaded connection, and the screw thread department of always controlling check valve (0200) is installed to always control group valve bottom plate (01) has seted up the heavy groove, sets up first O type sealing washer (04) in the heavy groove.

5. The reciprocating slurry pump transmission fluid quantitative compensation valve set according to claim 4, wherein: the master control one-way valve (0200) comprises a one-way valve seat (0201), a spring (0202), a one-way valve core (0203) and a one-way valve body (0206); the outer side of the one-way valve body (0206) is provided with an external thread, the external thread is matched and connected with a threaded port of the master control valve group bottom plate (01), the inner side surface of the one-way valve body (0206) is a conical surface, the valve core (0203) of the one-way valve is arranged in the one-way valve body (0206), and the appearance of the upper part of the valve core is matched with the inner side surface of the one-way valve body (0206); the check valve core (0203) is provided with a guide sleeve, the check valve core (0203) is sleeved on a guide rod of a check valve seat (0201) through the guide sleeve and connected together through a spring (0202), a spigot is arranged at the lower port of the check valve body (0206), and the lower end face of the check valve seat (0201) is in interference fit with the spigot of the check valve body (0206); the lower end of the valve core (0301) of the master control valve is provided with a connected ejector rod, and the connected ejector rod penetrates through the upper port of the valve body (0206) of the one-way valve and is connected with the valve core (0203) of the one-way valve in a matching way.

6. The reciprocating slurry pump transmission fluid quantitative compensation valve set according to claim 5, characterized in that: the general control one-way valve (0200) further comprises a metal gasket (0204) and a non-metal sealing gasket (0205), wherein the metal gasket (0204) and the non-metal sealing gasket (0205) are arranged between the conical head at the upper end of the one-way valve element (0203) and the spring (0202), the non-metal sealing gasket (0205) is arranged above the metal gasket (0204), and the metal gasket (0204) is in contact with the spring (0202).

7. The reciprocating slurry pump transmission fluid quantitative compensation valve set according to claim 1, characterized in that: the oil supply valve (19), the oil return valve (20) and the bottom plate (06) of the oil supply/return valve group are hermetically connected through another group of O-shaped sealing rings, and the other group of O-shaped sealing rings comprise a third O-shaped sealing ring (15) and a fourth O-shaped sealing ring (16); the oil supply valve (19) and the oil return valve (20) respectively comprise an oil supply/return valve group valve body (0802), an oil supply/return valve group valve core (0800) and a non-metal sealing piece (0801), the oil supply/return valve group valve core (0800) is arranged in the oil supply/return valve group valve body (0802), and the non-metal sealing piece (0801) is embedded at the bottom of the oil supply/return valve group valve core (0800) in an interference fit manner; the valve body (0802) of the oil supply/return valve group and the bottom plate (06) of the oil supply/return valve group are fixedly connected by adopting an inner hexagonal cylindrical head screw and are hermetically connected through a fourth O-shaped sealing ring (16).

8. The reciprocating slurry pump transmission fluid quantitative compensation valve set according to claim 7, wherein: the oil supply valve (19) further comprises an oil supply one-way valve (0700), and the oil supply one-way valve (0700) is in threaded connection with the oil supply/return valve group base plate (06) and is sealed through a third O-shaped sealing ring (15); the oil return valve (20) further comprises an oil return nozzle (13), the oil return nozzle (13) is in threaded connection with a bottom plate (06) of the oil supply/return valve group and sealed through a third O-shaped sealing ring (15), the upper end face of the oil return nozzle (13) is matched with the lower end face of a non-metal sealing piece (0801) above the oil return nozzle, and an outer circle fillet R is arranged in the upper end face of the oil return nozzle (13).

9. The reciprocating slurry pump transmission fluid quantitative compensation valve set according to claim 1, characterized in that: the internal structure of the auxiliary oil valve (18) is the same as that of the oil return valve (20).