CN213953824U - Low-consumption energy-saving high-pressure reciprocating plunger pump - Google Patents
Low-consumption energy-saving high-pressure reciprocating plunger pump Download PDFInfo
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- CN213953824U CN213953824U CN202023251939.5U CN202023251939U CN213953824U CN 213953824 U CN213953824 U CN 213953824U CN 202023251939 U CN202023251939 U CN 202023251939U CN 213953824 U CN213953824 U CN 213953824U
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Abstract
A low-consumption energy-saving high-pressure reciprocating plunger pump. It is composed of a power end and a hydraulic end; wherein the power end comprises a crankcase, a crankshaft, a connecting rod and a crosshead; the hydraulic end comprises a cylinder body, a plunger, an intermediate rod, a pump head, a liquid inlet valve group and a liquid discharge valve group; the utility model provides a low consumption energy-conserving high pressure reciprocating plunger pump has following advantage: the transmission device has the characteristics of high transmission efficiency, few moving parts, low noise, small volume, low material consumption, compact structure, balanced and reliable transmission, high lubricating performance, low temperature rise of a power end, suitability for long-time continuous work and the like, and also has the advantages of strong bearing capacity, multiple pump speeds, wide rated pressure and flow coverage, high operation reliability, long service life, large user selectable range, more economy and reasonability in use and the like.
Description
Technical Field
The utility model belongs to the technical field of the reciprocal plunger pump of high pressure, especially, relate to a low energy-conserving reciprocal plunger pump of high pressure that consumes.
Background
The high-pressure reciprocating plunger pump is also called a plunger pump, is an important device of a hydraulic system, changes the volume of a sealed working cavity by means of reciprocating motion of a plunger in a cylinder body to realize the suction of a medium and the compression of the medium so as to achieve the aim of increasing the pressure of the medium, has the advantages of high rated pressure, economic and environmental friendliness in use, convenience in flow regulation and the like, and is widely applied to occasions where high pressure, high flow and flow need to be regulated, such as cleaning, sand cleaning, rust removal, liquid conveying, hydraulic power, engineering tunneling, metal cutting, stone polishing and the like, and the fields of mines, buildings, cement, automobiles, petrochemical industry, municipal environmental protection and the like.
Fig. 1 is a longitudinal structural sectional view of a prior art high pressure reciprocating plunger pump. As shown in fig. 1, the high-pressure reciprocating plunger pump mainly comprises a power end and a hydraulic end, wherein the power end is used for transmitting the energy of a prime mover to the hydraulic end and mainly comprises a crankcase 1, a high-speed gear shaft 2, a crankshaft 3, a gear ring 4, a connecting rod 5 and a crosshead 6; the hydraulic end is used for converting mechanical energy into medium pressure energy and mainly comprises a cylinder body 7, a plunger 8, an intermediate rod 9, a pump head 10, a liquid inlet valve group 11 and a liquid discharge valve group 12. The working principle is as follows: the prime mover transfers power to the crankshaft 3 through the meshing of the high-speed gear shaft 2 in the crankcase 1 and the gear ring 4 on the crankshaft 3, the crankshaft 3 reaches a set rotating speed through a specific speed ratio, the connecting rod 5 converts the rotating motion of the crankshaft 3 into the reciprocating linear motion of the plunger 8 in the cylinder body 7 through the intermediate rod 9, and therefore, the medium is sucked through the liquid inlet valve group 11, the medium in a sealed cavity formed by the cylinder body 7 and the pump head 10 is compressed to increase the pressure of the medium, and finally the medium is discharged outwards through the liquid outlet valve group 12. However, such a prior art reciprocating plunger high pressure pump has the following problems: the power end is internally provided with the speed reducing mechanism, so that the structure is large in size, the plunger stroke frequency is single, a plurality of installation parts are needed, the noise is high, the processing and assembly are complicated, the temperature is increased during operation, and the long-time continuous work is not suitable.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a high pressure reciprocating plunger pump with low power consumption and energy saving.
In order to achieve the aim, the high-pressure reciprocating plunger pump with low energy consumption and energy saving provided by the utility model consists of a power end and a hydraulic end; the power end is used for transmitting the energy of the prime mover to the hydraulic end and mainly comprises a crankcase, a crankshaft, a connecting rod and a crosshead; the crankshaft is horizontally arranged in the crankcase, one end of the crankshaft is connected with a motor output shaft positioned outside the crankcase, and an eccentric part is formed on the outer circumferential surface of the crankshaft; the front end of the connecting rod is connected to the eccentric part of the crankshaft, and the rear end of the connecting rod is connected with the front end of the crosshead; the hydraulic end is used for converting mechanical energy into medium pressure energy and mainly comprises a cylinder body, a plunger, an intermediate rod, a pump head, a liquid inlet valve group and a liquid discharge valve group; the cylinder body is arranged at the rear side of the crankcase and is communicated with the interior of the pump head positioned at the rear end of the crankcase; the rear end of the crosshead is connected with a plunger arranged in the cylinder body through an intermediate rod; the liquid inlet valve group and the liquid outlet valve group are both arranged inside the pump head and are communicated with a sealing cavity formed by the cylinder body and the pump head.
The crankcase is an integrated structure made of cast iron, and the volume of the crankcase is two thirds of that of the crankcase with the speed reducing mechanism.
And a sealing ring is arranged between the inner circumferential surface of the cylinder body and the outer circumferential surface of the plunger.
The utility model provides a low consumption energy-conserving high pressure reciprocating plunger pump has following advantage: the transmission device has the characteristics of high transmission efficiency, few moving parts, low noise, small volume, low material consumption, compact structure, balanced and reliable transmission, high lubricating performance, low temperature rise of a power end, suitability for long-time continuous work and the like, and also has the advantages of strong bearing capacity, multiple pump speeds, wide rated pressure and flow coverage, high operation reliability, long service life, large user selectable range, more economy and reasonability in use and the like.
Drawings
Fig. 1 is a longitudinal structural sectional view of a prior art high pressure reciprocating plunger pump.
FIG. 2 is a longitudinal structural sectional view of the high-pressure reciprocating plunger pump with low energy consumption and energy saving provided by the utility model
Fig. 3 is a perspective view of a crankcase structure in a high-pressure reciprocating plunger pump with low energy consumption and energy saving provided by the present invention.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings. The same reference numerals are used for the same components as in the prior art.
As shown in fig. 2 and 3, the high-pressure reciprocating plunger pump with low energy consumption and energy saving provided by the utility model consists of a power end and a hydraulic end; wherein the power end is used for transmitting the energy of the prime mover to the hydraulic end and mainly comprises a crankcase 21, a crankshaft 3, a connecting rod 5 and a crosshead 6; the crankshaft 3 is horizontally arranged in the crankcase 21, one end of the crankshaft is connected with a motor output shaft positioned outside the crankcase 21, and an eccentric part is formed on the outer circumferential surface of the crankshaft; the front end of the connecting rod 5 is connected with the eccentric part of the crankshaft 3, and the rear end is connected with the front end of the crosshead 6; the hydraulic end is used for converting mechanical energy into medium pressure energy and mainly comprises a cylinder body 7, a plunger 8, an intermediate rod 9, a pump head 10, a liquid inlet valve group 11 and a liquid discharge valve group 12; the cylinder block 7 is disposed on the rear side of the crankcase 21 and communicates with the inside of the pump head 10 at the rear end of the crankcase 21; the rear end of the crosshead 6 is connected to a plunger 8 provided inside the cylinder 7 through an intermediate rod 9; the liquid inlet valve group 11 and the liquid outlet valve group 12 are both arranged inside the pump head 10 and are communicated with a sealed cavity formed by the cylinder 7 and the pump head 10.
The crankcase 21 is an integral structure made of cast iron, and the volume of the crankcase 21 is two thirds of that of the crankcase 1 with the speed reducing mechanism.
A sealing ring 22 is arranged between the inner circumferential surface of the cylinder body 7 and the outer circumferential surface of the plunger 8.
Will now the utility model provides a low consumption energy-conserving high pressure reciprocating plunger pump's theory of operation as follows: the energy of the motor is firstly transmitted to the crankshaft 3 in the crankcase 21, the crankshaft 3 reaches a set rotating speed, the connecting rod 5 converts the rotating motion of the crankshaft 3 into the reciprocating linear motion of the plunger 8 in the cylinder 7 through the intermediate rod 9, so that the medium sucked into a sealed cavity formed by the cylinder 7 and the pump head 10 through the liquid inlet valve group 11 is compressed to increase the pressure of the medium, and finally the medium is discharged outwards through the liquid outlet valve group 12.
Claims (3)
1. The utility model provides a low energy consumption energy-conserving high pressure reciprocating plunger pump which characterized in that: the high-pressure reciprocating plunger pump with low energy consumption and energy saving consists of a power end and a hydraulic end; the power end is used for transmitting the energy of the prime motor to the hydraulic end and mainly comprises a crankcase (21), a crankshaft (3), a connecting rod (5) and a crosshead (6); the crankshaft (3) is horizontally arranged in the crankcase (21), one end of the crankshaft is connected with a motor output shaft positioned outside the crankcase (21), and an eccentric part is formed on the outer circumferential surface of the crankshaft; the front end of the connecting rod (5) is connected with the eccentric part of the crankshaft (3), and the rear end is connected with the front end of the crosshead (6); the hydraulic end is used for converting mechanical energy into medium pressure energy and mainly comprises a cylinder body (7), a plunger (8), an intermediate rod (9), a pump head (10), a liquid inlet valve group (11) and a liquid discharge valve group (12); the cylinder body (7) is arranged at the rear side of the crankcase (21) and is communicated with the interior of the pump head (10) positioned at the rear end of the crankcase (21); the rear end of the crosshead (6) is connected with a plunger (8) arranged in the cylinder body (7) through an intermediate rod (9); the liquid inlet valve group (11) and the liquid discharge valve group (12) are both arranged inside the pump head (10) and are communicated with a sealing cavity formed by the cylinder body (7) and the pump head (10).
2. The low loss, energy efficient high pressure reciprocating plunger pump of claim 1, wherein: the crankcase (21) is an integrated structure made of cast iron, and the volume of the crankcase (21) is two thirds of that of the crankcase with a speed reducing mechanism.
3. The low loss, energy efficient high pressure reciprocating plunger pump of claim 1, wherein: and a sealing ring (22) is arranged between the inner circumferential surface of the cylinder body (7) and the outer circumferential surface of the plunger (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023251939.5U CN213953824U (en) | 2020-12-29 | 2020-12-29 | Low-consumption energy-saving high-pressure reciprocating plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023251939.5U CN213953824U (en) | 2020-12-29 | 2020-12-29 | Low-consumption energy-saving high-pressure reciprocating plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213953824U true CN213953824U (en) | 2021-08-13 |
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ID=77194860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023251939.5U Active CN213953824U (en) | 2020-12-29 | 2020-12-29 | Low-consumption energy-saving high-pressure reciprocating plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213953824U (en) |
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2020
- 2020-12-29 CN CN202023251939.5U patent/CN213953824U/en active Active
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