CN112253435B

CN112253435B - High-performance high-pressure reciprocating pump

Info

Publication number: CN112253435B
Application number: CN202011080561.9A
Authority: CN
Inventors: 王在伟; 吉富强; 刘业宽; 张宝亮
Original assignee: Shandong Qingyishan Petrochemical Technology Co ltd
Current assignee: Shandong Qingyishan Petrochemical Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2023-06-23
Anticipated expiration: 2040-10-10
Also published as: CN112253435A

Abstract

The invention relates to the technical field of high-pressure reciprocating pumps, in particular to a high-performance high-pressure reciprocating pump, which comprises a base, wherein a chassis is fixedly arranged at the right end of the top of the base, a crankshaft is fixedly arranged at the right end of an inner cavity of the chassis, a connecting rod is fixedly arranged at one side of the crankshaft, a middle rod is fixedly arranged at one side of the connecting rod, a plunger is fixedly arranged at one side of the middle rod, and a diaphragm is fixedly arranged at one side of the plunger; the invention solves the problems of large unit vibration, spring fracture and unstable outlet flow in the operation of the existing high-pressure reciprocating pump, not only has low performance, but also reduces the working efficiency and the use effect of the high-pressure reciprocating pump, thereby bringing inconvenience to the use and the work of users by arranging the base, the machine case, the middle rod, the plunger, the guide rod, the two valve groups, the valve cover, the valve seat, the fixed guide sleeve, the diaphragm, the spring guide sleeve, the crankshaft, the large spring, the small spring, the unidirectional sealing seat and the sealing surface.

Description

High-performance high-pressure reciprocating pump

Technical Field

The invention relates to the technical field of high-pressure reciprocating pumps, in particular to a high-performance high-pressure reciprocating pump.

Background

The high-pressure reciprocating pump is mainly suitable for high-pressure cleaning and descaling in industries such as petroleum, chemical industry and chemical fertilizer industry, oil field, salt mine as a flow pump, steel pipe and pressure vessel as a pressure testing pump and a booster pump, building, shipbuilding, chemical industry and the like, boiler water supply, a transmission source of hydraulic machinery, and departments such as food, pharmacy, instrument and the like which need high-pressure fluid and have high process flow pulse requirements.

However, the existing high-pressure reciprocating pump often has the problems of large vibration of a unit, broken springs and unstable outlet flow, so that the performance is low, the working efficiency and the use effect are reduced, and inconvenience is brought to the use and the work of a user.

Disclosure of Invention

The invention aims to provide a high-performance high-pressure reciprocating pump, which has the advantage of high performance, and solves the problems that the conventional high-pressure reciprocating pump often has the phenomena of large unit vibration, broken springs and unstable outlet flow in operation, the performance is low, the working efficiency and the use effect are reduced, and inconvenience is brought to the use and the work of a user.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high performance high pressure reciprocating pump, includes the base, the right-hand member fixed mounting at base top has the quick-witted case, the right-hand member fixed mounting of machine case inner chamber has the bent axle, one side fixed mounting of bent axle has the connecting rod, one side fixed mounting of connecting rod has the intermediate lever, one side fixed mounting of intermediate lever has the plunger, one side fixed mounting of plunger has the diaphragm, the outside fixed mounting of intermediate lever one end has the guide bar, the outside of guide bar overlaps respectively and is equipped with big spring and little spring, the outside of big spring and little spring is all fixed mounting has the spring uide bushing, the outside fixed mounting of spring uide bushing has fixed uide bushing, the top fixed mounting of fixed uide bushing has sealed face, the top fixed mounting of sealed face has one-way seal seat.

Preferably, a rear cover plate is fixedly arranged on one side of the case, and a connecting rod rear cover is fixedly arranged on the other side of the connecting rod.

Preferably, a valve plate is fixedly arranged on one side of the diaphragm, and a valve body is fixedly arranged on the outer side of the valve plate.

Preferably, a valve seat is fixedly arranged on the other side of the diaphragm, and a valve cover is fixedly arranged on the outer side of the valve seat.

Preferably, two valve groups are fixedly arranged on one side of the valve seat, and a corrosion-resistant buffer is fixedly arranged above the left end of the top of the base.

Preferably, the left end of the top of the base and the left side of the corrosion-resistant buffer are fixedly provided with a safety valve, the bottom of the safety valve is fixedly provided with a shock-resistant pressure gauge, and the bottom of the shock-resistant pressure gauge is fixedly provided with a pressure gauge stop valve.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention can effectively improve the running performance of the reciprocating pump through the arrangement of the base, the machine case, the middle rod, the plunger, the guide rod, the two valve groups, the valve cover, the valve seat, the fixed guide sleeve, the diaphragm, the spring guide sleeve, the crankshaft, the large spring, the small spring, the unidirectional sealing seat and the sealing surface, and simultaneously has the advantages of simple installation and maintenance, tight sealing joint surface, difficult leakage, low noise, stable flow, small vibration, prolonged service life of accessories, low cost and low energy consumption, solves the problems of large unit vibration, spring breakage and unstable outlet flow in the operation of the traditional high-pressure reciprocating pump, has low performance, reduces the working efficiency and the use effect, and brings inconvenience to the use and the work of users.

2. The valve seat and the valve cover are arranged, so that the valve seat and the valve body can be installed, and the valve seat is convenient to protect.

3. The invention can be used for increasing the control multidirectional performance and assisting the control switch by arranging the two valve groups and the corrosion-resistant buffer, and can be used for increasing the flow stability, preventing the damage of the shock-resistant pressure gauge and stopping the shock-resistant pressure gauge by arranging the safety valve, the shock-resistant pressure gauge and the pressure gauge stop valve.

Drawings

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

FIG. 2 is a schematic diagram of a fluid end structure of the present invention;

FIG. 3 is a diagram of the power end architecture of the present invention;

FIG. 4 is a schematic diagram of a fixed guide sleeve structure according to the present invention;

fig. 5 is an assembly view of the fixed guide sleeve of the present invention.

In the figure: 1. a base; 2. a chassis; 3. a back cover plate; 4. a corrosion-resistant buffer; 5. a safety valve; 6. a shock resistant pressure gauge; 7. a pressure gauge stop valve; 8. an intermediate lever; 9. a plunger; 10. a guide rod; 11. two valve groups; 12. a valve housing; 13. a valve seat; 14. fixing a guide sleeve; 15. a membrane; 16. a spring guide sleeve; 17. a valve plate; 18. a valve body; 19. a connecting rod rear cover; 20. a crankshaft; 21. a connecting rod; 22. a large spring; 23. a small spring; 24. a unidirectional sealing seat; 25. sealing surfaces.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-5, a high performance high pressure reciprocating pump comprises a base 1, a case 2 is fixedly mounted at the right end of the top of the base 1, a crankshaft 20 is fixedly mounted at the right end of the inner cavity of the case 2, a connecting rod 21 is fixedly mounted at one side of the crankshaft 20, an intermediate rod 8 is fixedly mounted at one side of the connecting rod 21, a plunger 9 is fixedly mounted at one side of the intermediate rod 8, a diaphragm 15 is fixedly mounted at one side of the plunger 9, a guide rod 10 is fixedly mounted at the outer side of one end of the intermediate rod 8, a large spring 22 and a small spring 23 are respectively sleeved at the outer sides of the guide rod 10, spring guide sleeves 16 are fixedly mounted at the outer sides of the large spring 22 and the small spring 23, a fixed guide sleeve 14 is fixedly mounted at the outer side of the spring guide sleeve 16, a sealing surface 25 is fixedly mounted at the top of the fixed guide sleeve 14, a unidirectional sealing seat 24 is fixedly mounted at the top of the sealing surface 25, through the arrangement of the base 1, the machine case 2, the middle rod 8, the plunger 9, the guide rod 10, the two valve groups 11, the valve cover 12, the valve seat 13, the fixed guide sleeve 14, the diaphragm 15, the spring guide sleeve 16, the crankshaft 20, the big spring 22, the small spring 23, the unidirectional sealing seat 24 and the sealing surface 25, the operation performance of the reciprocating pump can be effectively improved, meanwhile, the mounting and maintenance are simple and convenient, the adoption of the container type reciprocating pump can lead the internal spring, the sealing surface 25 and the guide rod 10 to work vertically, the sealing joint surface is tight, the leakage is difficult, the noise is small, the flow is stable, the vibration is small, the service life of accessories is prolonged, the cost is reduced, the energy consumption is low, the phenomena of large vibration, the spring breakage and unstable outlet flow of the machine set are solved in the operation of the existing high-pressure reciprocating pump, the performance is low, the working efficiency and the use effect are reduced, thereby bringing inconvenience to the use and work of the user.

In this embodiment, specifically, the rear cover plate 3 is fixedly installed on one side of the chassis 2, and the connecting rod rear cover 19 is fixedly installed on the other side of the connecting rod 21, which can be used for shielding, sealing and auxiliary effects of the fixed installation.

In this embodiment, specifically, a valve plate 17 is fixedly installed on one side of the diaphragm 15, and a valve body 18 is fixedly installed on the outer side of the valve plate 17, which can be used for opening and closing, and can also perform sealing control on the valve plate.

In this embodiment, specifically, the valve seat 13 is fixedly installed on the other side of the diaphragm 15, the valve cover 12 is fixedly installed on the outer side of the valve seat 13, and the valve seat 13 can be conveniently protected by installing the valve plate 17 and the valve body 18.

In this embodiment, specifically, two valve groups 11 are fixedly installed on one side of the valve seat 13, and a corrosion-resistant buffer 4 is fixedly installed above the left end of the top of the base 1, which can be used for increasing the control multidirectional property and assisting the control switch.

In this embodiment, specifically, the left end of the top of the base 1 and the left side of the corrosion-resistant buffer 4 are fixedly provided with the safety valve 5, the bottom of the safety valve 5 is fixedly provided with the shock-resistant pressure gauge 6, the bottom of the shock-resistant pressure gauge 6 is fixedly provided with the pressure gauge stop valve 7, which can be used for increasing the stability of the flow of the shock-resistant pressure gauge 6, preventing the shock-resistant pressure gauge 6 from being damaged and stopping the shock-resistant pressure gauge.

Working principle: the motor is connected with the coupling through the speed reducer, drive plunger 9 through connecting rod 21 and do reciprocating motion, when plunger 9 backward motion, the hydraulic pressure intracavity produces the negative pressure, make diaphragm 15 backward deflection, the medium chamber produces the negative pressure, the export check valve is closed at this moment, import check valve is opened, medium gets into the medium intracavity from the import pipeline, when plunger 9 reaches back initial point, the imbibition process ends, when the piston forward motion, hydraulic oil in the hydraulic pressure chamber promotes the diaphragm 15 forward deflection, medium chamber pressure increases, make import check valve closed, the export check valve is opened, medium is discharged from the medium chamber and gets into the export pipeline, plunger 9 continuous reciprocating motion, the pump continuously carries the medium, can effectual improvement its running performance, simultaneously its installation, overhaul is simple and convenient, adopt the collection dress formula to make inside spring, sealing surface 25, guide bar 10 vertical operation, sealed joint face is tight, difficult revealing, the noise is little, the flow is stable, the vibration is little, accessory life is prolonged, can practice thrift the cost is reduced, low energy consumption, frequent unit vibration is big in the operation, spring breakage, the outlet flow is unstable, the phenomenon is unstable, and the low efficiency of its work efficiency is just reduced, and the user's problem is convenient for use, thereby the operation is easy to use.

The control mode of this application file is through the automatic control of controller, and the control circuit of controller passes through the simple programming of person skilled in the art and can realize, belongs to the common sense in the art to this application file is mainly used for protecting mechanical device, so this application file does not explain control mode and circuit connection in detail again.

Standard parts used in the application files can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the technicians in the field through technical manuals or through conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. High performance high pressure reciprocating pump, including base (1), its characterized in that: the novel high-pressure air conditioner is characterized in that a chassis (2) is fixedly arranged at the right end of the top of the base (1), a crankshaft (20) is fixedly arranged at the right end of an inner cavity of the chassis (2), a connecting rod (21) is fixedly arranged on one side of the crankshaft (20), an intermediate rod (8) is fixedly arranged on one side of the connecting rod (21), a plunger (9) is fixedly arranged on one side of the intermediate rod (8), a diaphragm (15) is fixedly arranged on one side of the plunger (9), a guide rod (10) is fixedly arranged on the outer side of one end of the intermediate rod (8), a large spring (22) and a small spring (23) are respectively sleeved on the outer side of the guide rod (10), a spring guide sleeve (16) is fixedly arranged on the outer side of the large spring (22) and the small spring (23), a fixed guide sleeve (14) is fixedly arranged on the outer side of the spring guide sleeve (16), a sealing surface (25) is fixedly arranged on the top of the fixed guide sleeve (14), and a one-way sealing seat (24) is fixedly arranged on the top of the sealing surface (25).

2. A high performance high pressure reciprocating pump according to claim 1 wherein: one side of the case (2) is fixedly provided with a rear cover plate (3), and the other side of the connecting rod (21) is fixedly provided with a connecting rod rear cover (19).

3. A high performance high pressure reciprocating pump according to claim 1 wherein: a valve plate (17) is fixedly arranged on one side of the diaphragm (15), and a valve body (18) is fixedly arranged on the outer side of the valve plate (17).

4. A high performance high pressure reciprocating pump according to claim 1 wherein: the other side of the diaphragm (15) is fixedly provided with a valve seat (13), and the outer side of the valve seat (13) is fixedly provided with a valve cover (12).

5. A high performance high pressure reciprocating pump as claimed in claim 4 wherein: one side of the valve seat (13) is fixedly provided with a two-valve group (11), and a corrosion-resistant buffer (4) is fixedly arranged above the left end of the top of the base (1).

6. A high performance high pressure reciprocating pump as claimed in claim 5 wherein: the anti-corrosion anti-vibration device is characterized in that a safety valve (5) is fixedly arranged at the left end of the top of the base (1) and positioned at the left side of the anti-corrosion buffer (4), a vibration-resistant pressure gauge (6) is fixedly arranged at the bottom of the safety valve (5), and a pressure gauge stop valve (7) is fixedly arranged at the bottom of the vibration-resistant pressure gauge (6).