CN102966502A - Disc flow allocation radial variable high pressure plunger pump - Google Patents

Disc flow allocation radial variable high pressure plunger pump Download PDF

Info

Publication number
CN102966502A
CN102966502A CN 201110257202 CN201110257202A CN102966502A CN 102966502 A CN102966502 A CN 102966502A CN 201110257202 CN201110257202 CN 201110257202 CN 201110257202 A CN201110257202 A CN 201110257202A CN 102966502 A CN102966502 A CN 102966502A
Authority
CN
China
Prior art keywords
plunger
pump
rotor
disc
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201110257202
Other languages
Chinese (zh)
Inventor
董桂敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN ZEHUAYUAN PUMP TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
TIANJIN ZEHUAYUAN PUMP TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN ZEHUAYUAN PUMP TECHNOLOGY DEVELOPMENT Co Ltd filed Critical TIANJIN ZEHUAYUAN PUMP TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN 201110257202 priority Critical patent/CN102966502A/en
Publication of CN102966502A publication Critical patent/CN102966502A/en
Pending legal-status Critical Current

Links

Abstract

The invention relates to a disc flow allocation radial variable high pressure plunger pump. An oil allocation disc refers to a circular oil allocation disc; an oil-through window, a static pressure support seal belt and a noise reduction groove are arranged in the oil allocation disc; an oil-through channel is formed by combining the oil allocation disc with a pump body and a rotor; plunger holes in the rotor are arranged in the radial direction; the flow allocation plane of the rotor is tightly adhered to the flow allocation disc; the plunger holes are designed into that an inclined angle is formed between the plunger holes and the axis of a transmission shaft; plungers are installed inside the plunger holes of the rotor; a hinge pin is tightly assembled on the pump body and is in clearance fit with an assembling hole in a stator; a rotating bearing is installed on a pump cover; a shaft seal is installed on the transmission shaft; a variable mechanism comprises a variable plunger which is matched with a limiting plunger, a limiting spring and a limiting body. As a disc flow allocation structure is adopted, the disc flow allocation radial variable high pressure plunger pump has simplified design and repairability, is low in manufacturing cost and convenient to use; as steel pieces can be used, the selection range of materials is expanded, and the standardization and generality of working are facilitated; and the performance of an original reusing pump and the system optimization are improved with relatively less transforming cost.

Description

Dish flow radial variable high-pressure plunger pump
Technical field
The invention belongs to hydraulicdriven dynamical element field, relate to a kind of dish flow radial variable high-pressure plunger pump.
Background technique
At present, traditional radial plunger pump adopts two kinds to join oily mode-valve flow or axle flow more both at home and abroad, its complex structure, and processing difficulties, particularly pintle are subjected to the restriction of processing conditions, Difficulty.Because the unrepairable after its wearing and tearing, so that product seems that price is higher in generality is used.
Summary of the invention
Problem to be solved by this invention is, overcome the deficiencies in the prior art, a kind of dish flow radial variable high-pressure plunger pump is provided, oil distribution casing can be made by alloy steel material, have stronger wear resistance, and have certain recoverability after the wearing and tearing, processing is conventional machine tooling substantially, being convenient to batch production, is a kind of economic and practical dish flow distribution radial plunger pump of being convenient to repair.
The present invention solves its technical problem and takes following technological scheme to realize:
According to a kind of dish flow radial variable high-pressure plunger pump provided by the invention, comprise the pump housing, pump cover, rotor, stator and plunger, described oil distribution casing is circular oil distribution casing, be provided with logical oily window in the oil distribution casing, static pressure supports sealing strip and silencing groove, oil distribution casing combines with the pump housing and rotor and consisted of oily passage, epitrochanterian plunger hole is arranged radially, flow face and the thrust plate of rotor are adjacent to, the axis that plunger hole is set as with transmission shaft has angle, plunger is contained in the plunger hole of rotor, the bearing pin drive fit is assemblied on the pump housing, pilot hole Spielpassung on itself and the stator, rotary bearing is installed on the pump cover, and shaft seal is installed on the transmission shaft, stroking mechanism comprises variable piston, itself and stop plunger, limit spring, limit body matches.
It is to take following technological scheme further to realize that the present invention solves its technical problem:
The aforesaid pump housing, pump cover, rotor are made by cast iron materials.
The present invention compared with prior art has significant advantage and beneficial effect:
Because the present invention becomes dish flow mode with original axle flow mode, is to have absorbed the flow characteristics of axial piston pump and the recoverability advantage of oil distribution casing, makes one and is shaped as disc-shaped workpiece.Wherein, oil-through hole is the waist hole structure, and processing is simple.Oil distribution casing formed oily passage between the pump housing and rotor.Rotor (cylinder body) plunger hole is still the radial motion structural design, and is just angled with the oil pump axis.This is the short characteristics of axial dimension that absorbed radial plunger pump.During use, be convenient in little space mounting.The axial angle combination of the design of the piston structure of spring reset and rotor (cylinder body) plunger hole, the horizontal component that is conducive to the high pressure liquid force feed acts on oil distribution casing with the pump housing is adjacent to, the raising volumetric efficiency.Connecting rod part has been removed in the special spacing design of bearing inner race plunger, so that greatly letter words of suction oil structure, part is made more simple, is conducive to reduce cost.
The present invention adopts the oil distribution casing distributing construction in a word, has simplified design, and manufacture cost has reduced much relatively, has had the convenient use of recoverability.Simultaneously available steel part has enlarged the range of choice of material, is conducive to standardization and unitized work, for the end user, can improve original use pump performance and system optimization with less reforming cost again.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is that master of the present invention looks the sectional structure schematic representation;
Fig. 2 is that the sectional structure schematic representation is looked on a left side of the present invention;
Fig. 3 is that oil distribution casing master of the present invention looks the sectional structure schematic representation;
Fig. 4 is oil distribution casing plan structure schematic representation of the present invention.
1, the pump housing 2, oil distribution casing 3, rotor 4, plunger 5, bearing pin 6, bearing 7, stator 8, pump cover 9, rotary bearing 10, shaft seal 11, key 12, transmission shaft 13, stroking mechanism 14, variable piston 15, stop plunger 16, spring 17, limit body 18, logical oily window 19, static pressure support sealing strip 20, silencing groove.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to embodiment provided by the invention, structure, feature and effect thereof, be described in detail as follows.
A kind of dish flow radial variable high-pressure plunger pump shown in Fig. 1~4, comprise the pump housing, pump cover, rotor, stator and plunger, described oil distribution casing 2 is circular oil distribution casing, be provided with logical oily window 18, static pressure support sealing strip 19 and silencing groove 20 in the oil distribution casing, oil distribution casing combines with the pump housing 1 and rotor 3 and consisted of oily passage, during use, these three closely produce flowing and boosting of fluid.Epitrochanterian plunger hole is arranged radially, flow face and the thrust plate of rotor are adjacent to, the axis that plunger hole is set as with transmission shaft 12 has angle, this just so that the hydraulic action that produces during the plunger force feed forms the horizontal component that points to the pump housing, is applied on the oil distribution casing so that oil distribution casing is fitted tight with the pump housing.Plunger 4 is contained in the plunger hole of rotor and moves reciprocatingly, and under the position-limiting action that is subject to spring force and bearing 6, whenever circles and finishes suction oil process.The particular location of stator 7 has determined the actual distance of plunger motion, thereby has determined the pump delivery size, forms the variable of oil pump under the effect of stroking mechanism.Bearing pin 5 drive fits are assemblied on the pump housing 1, the pilot hole Spielpassung on itself and the stator 7, like this so that stator can rotate along the fulcrum of bearing pin 5, thereby change offset.Reach the variable purpose of oil hydraulic pump.Rotary bearing 9 is installed on the pump cover 8, is mainly to support one of element that transmission shaft 12 rotates, and its stressing conditions is the key factor of selecting bearing designation.Shaft seal 10 is installed on the transmission shaft 12 simultaneously, has stopped the excessive of lubricating oil.This structure is the Technology design requirement of commonly using.Stroking mechanism 13 is independently oil hydraulic pump variable adjustment elements, and stroking mechanism comprises variable piston 14, and it matches with stop plunger 15, limit spring 16, limit body 17, adjusts the changes in flow rate of oil hydraulic pump.Flat key 11 and transmission shaft 12 are major parts that oil hydraulic pump and external motor link driving torque.It is a kind of mechanical structure form commonly used.The pump housing, pump cover, rotor are made by cast iron materials.Conncetion cimension outside the Pass the phase such as the pump housing, valve gap, the oily channels designs positioning datum of mistake etc. has been considered the complexity of processing and has not been done change with the part universality of constant-pressure variable mode.Be convenient to existing customer's replacing, simultaneously all outer Conncetion cimension meet MOOG(Mu lattice) international standard of BOSCH (Bosch) company.

Claims (2)

1. one kind coils flow radial variable high-pressure plunger pump, comprise the pump housing, pump cover, rotor, stator and plunger, it is characterized in that: described oil distribution casing is circular oil distribution casing, be provided with logical oily window in the oil distribution casing, static pressure supports sealing strip and silencing groove, oil distribution casing combines with the pump housing and rotor and consisted of oily passage, epitrochanterian plunger hole is arranged radially, flow face and the thrust plate of rotor are adjacent to, the axis that plunger hole is set as with transmission shaft has angle, plunger is contained in the plunger hole of rotor, the bearing pin drive fit is assemblied on the pump housing, pilot hole Spielpassung on itself and the stator, rotary bearing is installed on the pump cover, and shaft seal is installed on the transmission shaft, stroking mechanism comprises variable piston, itself and stop plunger, limit spring, limit body matches.
2. dish flow radial variable high-pressure plunger pump according to claim 1, it is characterized in that: the described pump housing, pump cover, rotor are made by cast iron materials.
CN 201110257202 2011-09-02 2011-09-02 Disc flow allocation radial variable high pressure plunger pump Pending CN102966502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110257202 CN102966502A (en) 2011-09-02 2011-09-02 Disc flow allocation radial variable high pressure plunger pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110257202 CN102966502A (en) 2011-09-02 2011-09-02 Disc flow allocation radial variable high pressure plunger pump

Publications (1)

Publication Number Publication Date
CN102966502A true CN102966502A (en) 2013-03-13

Family

ID=47796869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110257202 Pending CN102966502A (en) 2011-09-02 2011-09-02 Disc flow allocation radial variable high pressure plunger pump

Country Status (1)

Country Link
CN (1) CN102966502A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103939310A (en) * 2014-04-18 2014-07-23 阜新嘉斯乐液压有限公司 Low-power plate-thrusting board type radial plunger pump
CN104153958A (en) * 2014-07-07 2014-11-19 西安交通大学 Alternating current servo motor driving device for discharge capacity adjustment of radial plunger pump
CN112539147A (en) * 2020-12-07 2021-03-23 中船重工重庆液压机电有限公司 Integrated valve plate and micropump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103939310A (en) * 2014-04-18 2014-07-23 阜新嘉斯乐液压有限公司 Low-power plate-thrusting board type radial plunger pump
CN104153958A (en) * 2014-07-07 2014-11-19 西安交通大学 Alternating current servo motor driving device for discharge capacity adjustment of radial plunger pump
CN104153958B (en) * 2014-07-07 2016-06-29 西安交通大学 A kind of radial plunger pump delivery regulates uses AC servo machinery driving device
CN112539147A (en) * 2020-12-07 2021-03-23 中船重工重庆液压机电有限公司 Integrated valve plate and micropump

Similar Documents

Publication Publication Date Title
CN103233873B (en) External-rotor radial plunger hydraulic pump integrated with motors
CN101050758A (en) Inclined shaft type sea water plunger pump based on gear driving
CN102966502A (en) Disc flow allocation radial variable high pressure plunger pump
CN202833001U (en) Swash plate type rotary valve flow distributing pure water plunger pump
CN1673577A (en) Rotary positive displacement hydraulic device
CN101929459B (en) Automobile hydraulic power steering blade pump
CN201129278Y (en) Inclined shaft type sea water plunger pump based on gear transmission
CN203685464U (en) Axially compact high-speed flow distribution cycloid hydraulic motor with short shell body
CN111120238A (en) Floating transmission mechanism and micropump
CN102966501A (en) Disc flow allocation constant power variable radial high pressure plunger pump
CN205277792U (en) Plunger pump with radially join in marriage oily structure
CN202768237U (en) Cycloidal hydraulic motor with valve shaft flow-distribution
CN204402783U (en) There is the plunger pump of lubrication system
CN102797622A (en) Cycloid hydraulic motor of shaft-valve flow-distribution type
CN104500363B (en) There is the plunger displacement pump of lubricating system
CN201344123Y (en) Novel pump cover of radial plunger pump
CN103696907B (en) Brevicone axon is to compact high-speed distributing cycloid hydraulic motor
CN211370706U (en) Stop limit structure of micro pump transmission shaft
CN107605731A (en) A kind of end clearance autocompensation installation for being used for two stroke aviation piston engine scavenging pumps
CN202300884U (en) Servo variable disc flow distribution radial high-pressure plunger pump
CN102953968A (en) Disc flow distribution variable displacement radial piston pump bimetal composite rotor
CN211039213U (en) Double-blade hydraulic servo swing motor
CN203962317U (en) The inclined disc type electric control variable-displacement compressor of two bodies
CN104632571A (en) Valve matching type two-channel plunger piston flow distributing valve
CN209145856U (en) Double clutch automatic speed changing case oil pump

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130313