CN217354957U

CN217354957U - Pressurization system for high-temperature test of plunger pump

Info

Publication number: CN217354957U
Application number: CN202221925297.9U
Authority: CN
Inventors: 郭文彬; 蒋海洋; 张应辰
Original assignee: Henan Zhuoyuan Aviation Power System Co ltd
Current assignee: Henan Zhuoyuan Aviation Power System Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-09-02
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a pressure boost system for plunger pump high temperature test, including coarse filter, ball valve I, booster pump group, check valve I, smart filter, heater, ball valve II, supercharged oil tank, radiator, normally closed on-off valve II and proportion air-vent valve, coarse filter and ball valve I, booster pump group, check valve I, smart filter, heater, ball valve II concatenate in proper order, and ball valve II communicates with supercharged oil tank through the pipeline, and the radiator is connected with supercharged oil tank through normally closed on-off valve II, supercharged oil tank top surface has seted up the exhaust hole, and the exhaust hole is connected with the exhaust pipe, and the exhaust pipe that the exhaust hole was located sets up with normally closed on-off valve II in parallel; the utility model discloses system design is reasonable, with low costs, long service life, stable performance, and convenient increase is adjusted, adjusts before adopting the pressure boost oil tank, keeps apart high temperature fluid in test system region, makes the components and parts of pressure boost system not influenced by high temperature.

Description

Pressurization system for high-temperature test of plunger pump

Technical Field

The utility model relates to a plunger pump high temperature test's pressure boost technical field specifically is a turbocharging system for plunger pump high temperature test.

Background

Along with the continuous and strong economic strength of China, the development of a power system is continuously updated and upgraded. The demand of advanced aircraft high maneuvering agility and wide-speed-range flight control on a hydraulic power system is greatly increased, and the result of maneuvering simulation of an aircraft system shows that a plunger pump needs to bear test states of various conditions according to the current aircraft layout, so that tests of normal temperature, high temperature, low pressure, high pressure and the like need to be carried out to meet the requirements of various severe conditions of flight control surface work. The booster device of the plunger pump high-temperature test is composed of a booster system, a pump outlet pressure regulator, a pump return oil pressure regulator, a circulating cleaning system and a driving system, when the plunger pump is tested, continuous and stable initial pressure needs to be provided for an oil inlet of the booster system, the working environment of a precise remote control valve is generally below 80 ℃, and when the temperature exceeds 80 ℃ for a long time, a control element of the valve is weakened, the control precision is reduced, and even the control element is damaged; because its performance of proportional relief valve can step down gradually under high temperature state, influence the pressure stability of plunger pump oil inlet, the current design research and development pressurization system of pressure regulating under normal atmospheric temperature to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a turbocharging system for plunger pump high temperature test, system design is reasonable, with low costs, long service life, stable performance, and convenient increase is adjusted, adopts preceding regulation of pressure boost oil tank, keeps apart high temperature fluid in test system region, makes turbocharging system's components and parts not influenced by high temperature, provides stable import pressure condition for the performance test of plunger pump, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a pressurization system for a high-temperature test of a plunger pump comprises a coarse filter, a ball valve I, a pressurization pump set, a one-way valve I, a fine filter, a heater, a ball valve II, a pressurization oil tank, a radiator, a normally-closed on-off valve II and a proportional pressure regulating valve, the coarse filter is sequentially connected with the ball valve I, the booster pump group, the one-way valve I, the fine filter, the heater and the ball valve II in series, the ball valve II is communicated with the booster oil tank through a pipeline, the radiator is connected with the booster oil tank through the normally-off on-off valve II, the top surface of the pressurizing oil tank is provided with an exhaust hole which is connected with an exhaust pipeline, the exhaust pipeline where the exhaust hole is positioned is connected with a normally-closed on-off valve II in parallel, an electric three-way valve and a one-way valve II are connected in series on a pipeline between the radiator and the pressurizing oil tank, the pipeline where the electric three-way valve and the one-way valve II are arranged is parallel to the pipeline where the normally-closed on-off valve II is arranged, and a proportional pressure regulating valve is arranged between the pipeline where the electric three-way valve and the radiator are located and the outlet of the fine filter.

Furthermore, a safety valve is arranged between the inlet of the radiator and the outlet of the one-way valve I, and a pressure sensor is arranged on an outlet pipeline of the one-way valve I.

Furthermore, a temperature sensor is arranged on a pipeline between the heater and the ball valve II.

Further, the device also comprises a normally-closed on-off valve I and a throttle valve, wherein the normally-closed on-off valve I and the throttle valve are arranged in series, and the normally-closed on-off valve I and the throttle valve are arranged in parallel with the proportional pressure regulating valve.

Furthermore, the lower part of the pressurizing oil tank is connected with a ball valve III, and a pipeline where an outlet of the ball valve III is located is connected with a sampling valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses on set up the radiator, set up the radiator through returning oil pipe way, reduce turbocharging system's fluid temperature, make fluid remain throughout at normal atmospheric temperature state in the open oil tank, avoid scalding, when the system shutdown operation, have residual pressure in the turbocharging oil tank, prevent through check valve I that fluid from the reverse backward flow of turbocharging pump package, prevent to take place abnormal sound, prolong the life-span of pump.

2. The utility model discloses on set up the heater, the normal atmospheric temperature fluid in the open-type oil tank causes the accuse temperature influence to 135 ℃ fluid in the pressure boost oil tank, heats the fluid that gets into in the pressure boost oil tank through the heater, and the influence is eliminated even to the minimize, guarantees entire system's accuse temperature demand.

3. The utility model discloses on set up the proportion air-vent valve, through the pressure of proportion air-vent valve in can the governing system, make pressure remain stable, the utility model discloses system design is reasonable, with low costs, long service life, stable performance conveniently increase the regulation, adopts the pressure boost oil tank front adjustment, keeps apart high temperature fluid in test system region, makes the components and parts of pressure boost system not influenced by high temperature, provides stable inlet pressure condition for the performance test of plunger pump.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic view of the structure of the apparatus of the present invention;

fig. 3 is a schematic view of the rear view structure of the device of the present invention.

In the figure: the device comprises a coarse filter 1, a ball valve I2, a booster pump group 3, a check valve I4, a pressure sensor 5, a fine filter 6, a heater 7, a temperature sensor 8, a ball valve II 9, a safety valve 10, a proportional pressure regulating valve 11, a normally-closed valve I12, a throttle valve 13, a normally-closed valve II 14, an exhaust pipeline 15, a radiator 16, a ball valve III 17, a sampling valve 18, a check valve II 19, an electric three-way valve 20 and a pressurized oil tank 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a supercharging system for a plunger pump high-temperature test comprises a coarse filter 1, a ball valve I2, a supercharging pump group 3, a one-way valve I4, a fine filter 6, a heater 7, a ball valve II 9, a supercharging oil tank 21, a radiator 16, a normally-off on-off valve II 14 and a proportional pressure regulating valve 11, wherein the coarse filter 1, the ball valve I2, the supercharging pump group 3, the one-way valve I4, the fine filter 6, the heater 7 and the ball valve II 9 are sequentially connected in series, oil is prevented from reversely flowing back from the supercharging pump group 3 through the one-way valve I4, abnormal sound is prevented from occurring, the service life of the pump is prolonged, a temperature sensor 8 is arranged on a pipeline between the heater 7 and the ball valve II 9, the normal-temperature oil in an open oil tank has temperature control influence on 135 ℃ oil in the supercharging oil tank 21, the heater 7 heats the oil entering the supercharging oil tank 21, the influence is reduced or even eliminated as much as possible, and the temperature control requirement of the whole system is ensured, the temperature sensor 8 can detect the heating temperature of the heater 7 to oil, so that the control of workers is convenient, the ball valve II 9 is communicated with a pressurized oil tank 21 through a pipeline, the radiator 16 is connected with the pressurized oil tank 21 through a normally-closed on-off valve II 14, the temperature of the oil of a pressurized system is reduced by arranging the radiator 16 on an oil return pipeline, so that the oil in an open oil tank is always kept at a normal temperature state to avoid scalding, when the system stops operating, residual pressure exists in the pressurized oil tank, the top surface of the pressurized oil tank 21 is provided with an exhaust hole, the exhaust hole is connected with an exhaust pipeline 15, the exhaust pipeline 15 where the exhaust hole is located is connected with the normally-closed on-off valve II 14 in parallel, a safety valve 10 is arranged between the inlet of the radiator 16 and the outlet of a one-way valve I4, a pressure sensor 5 is arranged on an outlet pipeline of the one-way valve I4, the safety valve 10 is used for ensuring the safety of the pressurized system, and the pressure sensor 5 is used for detecting the pressure of the oil inlet pipeline in real time, the utility model has the advantages of reasonable design, low cost, long service life, stable performance, convenient increase and adjustment, and adopts the pressurizing oil tank to adjust the pressure in the system by the proportional pressure-regulating valve 11, wherein the pipeline between the radiator 16 and the pressurizing oil tank 21 is connected in series with an electric three-way valve 20 and a one-way valve II 19, the pipeline between the electric three-way valve 20 and the one-way valve II 19 is connected in parallel with the pipeline between the normal-close on-off valve II 14, the proportional pressure-regulating valve 11 is arranged between the pipeline between the electric three-way valve 20 and the radiator 16 and the outlet of the fine filter 6, the system also comprises a normal-close on-off valve I12 and a throttle valve 13, the normal-close on-off valve I12 and the throttle valve 13 are connected in series, the normal-close on-off valve I12 and the throttle valve 13 are connected in parallel with the proportional pressure-regulating valve 11, the pressure in the system is kept stable, the lower part of the pressurizing oil tank 21 is connected with a ball valve III 17, the pipeline at the outlet of the ball valve III 17 is connected with a sampling valve 18, the high-temperature oil is isolated in the test system area, so that components of the pressurization system are not influenced by high temperature, and stable inlet pressure conditions are provided for the performance test of the plunger pump.

When in use: when system fluid need carry out the loop filter, open ball valve I2, open ball valve II 9, open normal close on-off valve II 14, start booster pump package 3, fluid gets back to open the oil tank through coarse filter 1, ball valve I2, booster pump package 3, check valve I4, smart filter 6, heater 7, ball valve II 9, pressure boost oil tank 21, normal close on-off valve II 14, radiator 16, form a circulation, carry out long-time loop filter, make fluid reach the cleanliness of needs.

When the system normally works, the ball valve I2 is opened, the ball valve II 9 is opened, the normally-closed on-off valve II 14 is closed, the booster pump group 3 is started, oil passes through the coarse filter 1, the ball valve I2, the booster pump group 3, the one-way valve I4 and the fine filter 6, most of the oil passes through the proportional overflow valve 11 for pressure regulation, and directly returns to the open oil tank through the radiator 16, and the small part of the oil passes through the heater 7, the ball valve II 9, the booster oil tank 21 and the exhaust pipeline 15 and returns to the open oil tank, wherein the aperture of a throttling hole connected with the exhaust pipeline 15 is 0.5mm, the throttling hole is positioned on the booster oil tank 21, air in the booster oil tank 21 is discharged, and the flow passing per minute is less than 1L/min under the condition that the pressure is 0.35 MPa; in order to eliminate the temperature control influence of the normal temperature oil on 135 ℃ oil in the pressurizing oil tank 21, a 1.5KW heater 7 is added before the oil enters the pressurizing oil tank to heat the oil less than 1L/min, so that the influence is reduced or even eliminated as much as possible, and the temperature control requirement of the whole system is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a turbocharging system for plunger pump high temperature test, includes coarse filter (1), ball valve I (2), booster pump group (3), check valve I (4), smart filter (6), heater (7), ball valve II (9), pressure boost oil tank (21), radiator (16), normally closed on-off valve II (14) and proportion air-vent valve (11), its characterized in that: coarse filter (1) and ball valve I (2), booster pump group (3), check valve I (4), fine filter (6), heater (7), ball valve II (9) are connected in series in proper order, and ball valve II (9) communicate through pipeline and booster oil tank (21), and radiator (16) are connected with booster oil tank (21) through normally closed on-off valve II (14), the exhaust hole has been seted up to booster oil tank (21) top surface, and the exhaust hole is connected with exhaust pipe (15), and exhaust pipe (15) and normally closed on-off valve II (14) parallel arrangement at exhaust hole place, it has electric three-way valve (20) and check valve II (19) to concatenate on the pipeline between radiator (16) and booster oil tank (21), and electric three-way valve (20) and check valve II (19) pipeline and normally closed on-off valve II (14) parallel arrangement at place pipeline, it adjusts proportionally to be provided with fine filter (6) export between electric three-way valve (20) and radiator (16) pipeline and the export And a pressure valve (11).

2. The pressurization system for the high-temperature test of the plunger pump according to claim 1, characterized in that: a safety valve (10) is arranged between an inlet of the radiator (16) and an outlet of the one-way valve I (4), and a pressure sensor (5) is arranged on an outlet pipeline of the one-way valve I (4).

3. The pressurization system for the high-temperature test of the plunger pump according to claim 1, characterized in that: and a temperature sensor (8) is arranged on a pipeline between the heater (7) and the ball valve II (9).

4. The pressurization system for the high-temperature test of the plunger pump according to claim 1, characterized in that: the device also comprises a normally-closed on-off valve I (12) and a throttle valve (13), wherein the normally-closed on-off valve I (12) and the throttle valve (13) are arranged in series, and the normally-closed on-off valve I (12) and the throttle valve (13) are arranged in parallel with the proportional pressure regulating valve (11).

5. The pressurization system for the high-temperature test of the plunger pump according to claim 1, characterized in that: the lower part of the pressurizing oil tank (21) is connected with a ball valve III (17), and a pipeline where the outlet of the ball valve III (17) is located is connected with a sampling valve (18).