CN105804987B - Embedded hydraulic pump gas-liquid mixed dashpot - Google Patents

Embedded hydraulic pump gas-liquid mixed dashpot Download PDF

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Publication number
CN105804987B
CN105804987B CN201610146894.4A CN201610146894A CN105804987B CN 105804987 B CN105804987 B CN 105804987B CN 201610146894 A CN201610146894 A CN 201610146894A CN 105804987 B CN105804987 B CN 105804987B
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China
Prior art keywords
cavity
oil
bushing
dashpot
hydraulic pump
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CN201610146894.4A
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Chinese (zh)
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CN105804987A (en
Inventor
焦宗夏
柴凌云
苏晓岩
徐远志
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Beihang University
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Beihang University
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Priority to CN201610146894.4A priority Critical patent/CN105804987B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/122Details or component parts, e.g. valves, sealings or lubrication means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The application is related to a kind of embedded hydraulic pump gas-liquid mixed dashpot, including:Matrix, is arranged on the first cavity in matrix, and multiple first oil throughs are offered on the first cavity, so that outside pulsation fluid enters in the first cavity through the first oil through;The bushing being connected with matrix, offers the second cavity on bushing, the second cavity is connected with the first cavity, and multiple second oil throughs are further opened with bushing;The dead ring being coated on bushing will be fixed every capsule and every capsule;Connected by the second oil through with bushing every capsule.The embedded hydraulic pump gas-liquid mixed dashpot of the application can be installed in casing of hydraulic pump, and closing cavity volume is formed with the buffer cavity in pump, and gases at high pressure are filled with the cavity volume.Gases at high pressure interact by every capsule and fluid, offset the pulsation of fluid.The embedded hydraulic pump gas-liquid mixed dashpot of the application has compact conformation, easy for installation, integrated level is high, lightweight, the characteristics of be quick on the draw, can play good weakening effect to the flow pulsation of axial plunger pump housing oil-out.

Description

Embedded hydraulic pump gas-liquid mixed dashpot
Technical field
The application is related to fluid mechanical device weakening technical field, particularly a kind of embedded hydraulic pump gas-liquid mixed weakening Device.
Background technology
At present, hydraulic energy system provides hydraulic energy source using axial plunger pump mostly, because axial plunger pump has Output pressure is high, high working efficiency and high reliability.However, axial plunger pump is former due to the structure of its own and work Reason will necessarily produce fluid pulsation.Due to inevitably there is liquid resistance in pump inside and pipe-line system, fluid pulsation can draw again Pressure fluctuation is played, and pressure fluctuation can cause pipe vibration, it is easy to pipe-line system is produced fatigue rupture and radiated noise, it is right The Performance And Reliability of the hydraulic energy source pipe-line system in various application scenarios all brings detrimental effect.
The content of the invention
The brief overview on the application is given below, to provide the basic reason in terms of some of the application Solution.It should be appreciated that this general introduction is not the exhaustive general introduction on the application.It is not intended to determine the key of the application Or pith, nor intended limitation scope of the present application.Its purpose only provides some concepts in simplified form, with This is used as the preamble in greater detail discussed after a while.
One main purpose of the application is to provide a kind of embedded hydraulic pump gas-liquid mixed dashpot, it is intended to solved such as On technical problem.
In a first aspect, this application provides a kind of embedded hydraulic pump gas-liquid mixed dashpot, including:Matrix;It is arranged on The first cavity in matrix, offers multiple first oil throughs on the first cavity, so that outside pulsation fluid is through the first oil through Into in the first cavity;The bushing being connected with matrix, offers the second cavity on bushing, the second cavity is connected with the first cavity, Multiple second oil throughs are further opened with bushing;The dead ring being coated on bushing will be fixed every capsule and every capsule;Every capsule and lining Set is connected by the second oil through on bushing.
In certain embodiments, it is made up of elastomeric material every capsule.
The embedded hydraulic pump gas-liquid mixed dashpot of the application has that compact conformation, easy for installation, integrated level be high, weight Gently, the characteristics of being quick on the draw, can play good weakening effect to the flow pulsation of axial plunger pump housing oil-out.
Brief description of the drawings
With reference to the explanation of the embodiment of the present application, can be more readily understood that below in conjunction with the accompanying drawings the application more than and its Its objects, features and advantages.Part in accompanying drawing is intended merely to show the principle of the application.In the accompanying drawings, identical or similar Technical characteristic or part will be represented using same or similar reference.
Fig. 1 is the schematic diagram of one embodiment of the embedded hydraulic pump gas-liquid mixed dashpot of the application;
Fig. 2 is the schematic diagram of one embodiment of the axial plunger pump of the application.
Specific embodiment
Illustrate embodiments herein with reference to the accompanying drawings.Retouched in an accompanying drawing of the application or a kind of implementation method The element and feature that the element and feature stated can show in one or more other accompanying drawings or implementation method are combined.Should Work as attention, for purposes of clarity, eliminated known to, those of ordinary skill in the art unrelated with the application in accompanying drawing and explanation Part and treatment expression and description.
It is shown in Figure 1, be the embedded hydraulic pump gas-liquid mixed dashpot of the application one embodiment it is schematic Structure chart.
Specifically, the embedded hydraulic pump gas-liquid mixed dashpot of the present embodiment includes matrix 110 and is arranged on matrix The first interior cavity 120.
Multiple first oil throughs 121 are offered on first cavity 120, so that outside fluid enters through the first oil through 121 In first cavity 120.
The embedded hydraulic pump gas-liquid mixed dashpot of the present embodiment may also include the bushing 130 being connected with matrix 110, lining The second cavity 131 is offered on set 130, the second cavity 131 is connected with the first cavity 120.
Additionally, the embedded hydraulic pump gas-liquid mixed dashpot of the present embodiment also includes every capsule 140 and will consolidate every capsule 140 Surely it is coated on the dead ring 150 on bushing 130.Every capsule 140 and bushing 130 by the second oil through for being formed on bushing 130 132 connections.
In some optional implementations, can be made up of elastomeric material every capsule 140, so that can basis every capsule 140 The difference of its internal oil liquid pressure and its outside atmospheric pressure produces deformation.For example, can be made up of rubber every capsule 140.
It is shown in Figure 2, it is the schematic diagram of the axial plunger pump of the application.
Specifically, the axial plunger pump of the present embodiment includes housing 210, valve plate oil-out 240, pump housing oil-out 220 and embedded hydraulic pump gas-liquid mixed dashpot 230 as described above.
Wherein, in the embedded insertion of hydraulic pump gas-liquid mixed dashpot 230 housing 210.
An oil passage P is formed between valve plate oil-out 240 and pump housing oil-out 220.
A connection channel 211 is formed with housing 210, so that fluid in oil passage P is through interface channel 211 and interior The first oil through on the cavity of embedded hydraulic pump gas-liquid mixed dashpot 230 first enters embedded hydraulic pump gas-liquid mixed weakening In first cavity of device.
In some optional implementations, a buffer cavity 260 is further opened with housing 210.Embedded hydraulic pressure pump gas Liquid mixing dashpot in capsule is arranged at the buffer cavity 260, and embedded hydraulic pump gas-liquid mixed dashpot and the buffering Cavity 260 forms an airtight chamber.So, can be based on the air pressure in buffer cavity 260 and every intracapsular fluid every capsule The pressure difference of hydraulic pressure produces deformation.For example, when the air pressure of buffer cavity 260 is less than every intracapsular fluid hydraulic pressure, every capsule expansion;Instead It, when the air pressure in buffer cavity 260 is more than every intracapsular fluid hydraulic pressure, reduces every capsule.
In application scenes, the valve plate oil-out 240 of axial plunger pump generates larger flow pulsation, fluid Enter the first chamber of embedded hydraulic pump gas-liquid mixed dashpot 230 through oil passage P, the oil through of interface channel 211 and first Room, under oil liquid pressure effect, and then into second chamber and every in capsule.Now, every the oil increasing and oil liquid pressure in capsule Increase, and at the same time, the air pressure in buffer cavity 260 does not change, therefore, empty every intracapsular oil liquid pressure and buffering Under differential pressure action between chamber 260, every capsule expansion.So, every can be accommodated in capsule more fluid so that absorb fluid The flow pulsation produced in passage P so that the fluid flow of the pump housing oil-out 220 of outflow axial plunger is more stablized.
Above description is only the preferred embodiment and the explanation to institute's application technology principle of the application.People in the art Member is it should be appreciated that involved invention scope in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic Scheme, while should also cover in the case where the inventive concept is not departed from, is carried out by above-mentioned technical characteristic or its equivalent feature Other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein The technical scheme that the technical characteristic of energy is replaced mutually and formed.

Claims (3)

1. a kind of embedded hydraulic pump gas-liquid mixed dashpot, it is characterised in that including:
Matrix;
The first cavity in described matrix is arranged on, multiple first oil throughs are offered on first cavity, so that outside arteries and veins Dynamic fluid enters in first cavity through first oil through;
The bushing being connected with described matrix, offers the second cavity, second cavity and first cavity on the bushing Connection, is further opened with multiple second oil throughs on the bushing;
Every capsule and for fixing the dead ring being coated on the bushing every capsule by described;
It is described to be connected by the second oil through on bushing with the bushing every capsule.
2. embedded hydraulic pump gas-liquid mixed dashpot according to claim 1, it is characterised in that:
It is described to be made up of elastomeric material every capsule.
3. a kind of axial plunger pump, including housing, valve plate oil-out, pump housing oil-out and it is as claimed in claim 1 or 2 in Embedded hydraulic pump gas-liquid mixed dashpot;
Wherein:
The embedded hydraulic pump gas-liquid mixed dashpot is embedded in the housing;
An oil passage is formed between the valve plate oil-out and the pump housing oil-out.
CN201610146894.4A 2016-03-15 2016-03-15 Embedded hydraulic pump gas-liquid mixed dashpot Active CN105804987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610146894.4A CN105804987B (en) 2016-03-15 2016-03-15 Embedded hydraulic pump gas-liquid mixed dashpot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610146894.4A CN105804987B (en) 2016-03-15 2016-03-15 Embedded hydraulic pump gas-liquid mixed dashpot

Publications (2)

Publication Number Publication Date
CN105804987A CN105804987A (en) 2016-07-27
CN105804987B true CN105804987B (en) 2017-06-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2227220Y (en) * 1995-08-22 1996-05-15 四平液压件厂 Sac type hydraulic buffer
DE29623917U1 (en) * 1996-05-06 2000-09-07 DBS Beschichtung und Systeme-Technik GmbH, 48739 Legden Device for processing viscous multi-component elastomers
CN201593496U (en) * 2010-02-03 2010-09-29 中国石油天然气股份有限公司 Special inlet voltage stabilizer for high-pressure reciprocating pump
CN103174638A (en) * 2013-03-26 2013-06-26 陕西华航密封件有限责任公司 Water injection pump water inlet voltage-stabilization airbag used for oil field and water injection pump voltage stabilizer
CN203384002U (en) * 2013-08-08 2014-01-08 中水北方勘测设计研究有限责任公司 Pressure maintaining device for reciprocating type mud pump

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7004733B2 (en) * 2001-06-30 2006-02-28 Robert Bosch Gmbh Piston pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2227220Y (en) * 1995-08-22 1996-05-15 四平液压件厂 Sac type hydraulic buffer
DE29623917U1 (en) * 1996-05-06 2000-09-07 DBS Beschichtung und Systeme-Technik GmbH, 48739 Legden Device for processing viscous multi-component elastomers
CN201593496U (en) * 2010-02-03 2010-09-29 中国石油天然气股份有限公司 Special inlet voltage stabilizer for high-pressure reciprocating pump
CN103174638A (en) * 2013-03-26 2013-06-26 陕西华航密封件有限责任公司 Water injection pump water inlet voltage-stabilization airbag used for oil field and water injection pump voltage stabilizer
CN203384002U (en) * 2013-08-08 2014-01-08 中水北方勘测设计研究有限责任公司 Pressure maintaining device for reciprocating type mud pump

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