CN201433884Y - Emulsion pump testing system - Google Patents

Emulsion pump testing system Download PDF

Info

Publication number
CN201433884Y
CN201433884Y CN2009200470162U CN200920047016U CN201433884Y CN 201433884 Y CN201433884 Y CN 201433884Y CN 2009200470162 U CN2009200470162 U CN 2009200470162U CN 200920047016 U CN200920047016 U CN 200920047016U CN 201433884 Y CN201433884 Y CN 201433884Y
Authority
CN
China
Prior art keywords
pump
valve
emulsion
testing
pump testing
Prior art date
Application number
CN2009200470162U
Other languages
Chinese (zh)
Inventor
朱真才
陈国安
韩振铎
訾斌
曹国华
李一磊
彭玉兴
周公博
邵杏国
Original Assignee
中国矿业大学
徐州中矿提升安全设备有限公司
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 中国矿业大学, 徐州中矿提升安全设备有限公司 filed Critical 中国矿业大学
Priority to CN2009200470162U priority Critical patent/CN201433884Y/en
Application granted granted Critical
Publication of CN201433884Y publication Critical patent/CN201433884Y/en

Links

Abstract

The utility model relates to an emulsion pump testing system, which comprises an electrical appliance control system, a gear box, an emulsion circulating system and a hydraulic oil circulating system,wherein the electrical appliance control system drives motors to be switched on and switched off, the gear box, the emulsion circulating system and the hydraulic oil circulating system are connectedwith a tested pump, and the hydraulic oil circulating system drives the gear box. The working load of the tested pump is changed through regulating the output volume of a hydraulic motor, and hydraulic energy output by the tested pump is mostly compensated to the hydraulic motor through a loading cylinder, i.e. the hydraulic motor is a driving force source of the tested pump and is also a load ofthe tested pump at the same time. The system can be used for the reliability detection test on emulsion pumps of different types and different powers, and can also be used for on-line detection of thecomprehensive property and the manufacture quality of the emulsion pump, the ground occupation area of the equipment is reduced, and the running power can not be converted into heat energy, so the operation cost is lowered. The utility model has the most remarkable advantage of capability of recovering the power, so the energy consumption is greatly lowered. Compared with the prior art, the utility model saves about 70 percent of energy, and has the advantages of simple structure and good energy saving and use effect.

Description

A kind of emulsion pump testing system

Technical field

The utility model relates to a kind of test system, especially a kind of emulsion pump testing system that emulsion pump is carried out failtests and combination property detection that is applicable to.

Background technique

Emulsion pump is the dynamical element of coal mine fully-mechanized mining working support hydraulic system, and its Performance And Reliability can produce material impact to whole hydraulic system, so all emulsion pumps all must carry out the type approval test detection before using.The all-round property testing of present emulsion pump, mainly be to adopt the relief valve load mode, promptly the emulsified liquid in the fuel tank is pumped by a driven by motor emulsification stream pump, finish test through the relief valve regulation and control that are connected on the fuel tank loop then, though this testing apparatus can be finished the experiment work of emulsification pump, but exist the high problem of energy consumption, particularly at high pressure, power consumption is huge during the experiment of large-flow emulsion pump, not only have a strong impact on the normal operation of miscellaneous equipment, and almost all be converted into heat energy because of energy consumption, powerful cooling equipment must be disposed and basic thermal equilibrium requirement could be guaranteed, so further increased energy consumption, and equipment is huge, the cost height.

Summary of the invention

Technical problem: the purpose of this utility model is at the problem that exists in the prior art, provides a kind of simple in structure, and energy consumption is low, and is effective, can realize the energy-saving emulsion pump testing system of Power Recovery.

Technological scheme: emulsion pump testing system of the present utility model, comprise the electrical apparatus control system that drive motor opens and closes, with the gearbox that is linked to each other by pump testing, be located at by the pressure gauge on the pump testing, link to each other with tested pump line road by the pump testing fuel tank, be provided with a selector valve I on by the loop of pump testing and by the loading cylinder I of selector valve I control stroke, load cylinder I and be connected with loading cylinder II by rod coupling, be connected with a rectifying valve group on the inlet and outlet of fuel channel of loading cylinder II, the rectifying valve group is connected with oil hydraulic motor and the oil pump work station that drives gearbox by the road respectively, the oil pump work station comprises the work oil pump that links to each other with drive motor, is connected with selector valve II on the loop of work oil pump; The end that loads cylinder I and load between the cylinder II is provided with the proximity detector of controlling left and right sides stroke.

Described selector valve I and selector valve II are two-position four way change valve; The bridge-type valve group of described rectifying valve group for constituting by 4 one-way valves; The return line of described work oil pump is provided with safety valve and return oil pressure valve.

Beneficial effect: the utility model is owing to adopted the volume pressure regulation, promptly the discharge capacity by the regulator solution pressure motor changes by the working load of pump testing, the hydraulic pressure of being exported by pump testing can most ofly compensate to oil hydraulic motor by loading cylinder, be that oil hydraulic motor is by the actuating force source of pump testing, simultaneously again by the load of pump testing; Under the certain situation of volumetric efficiency and the mechanical efficiency of oil hydraulic motor and work oil pump, in system's running energy consumption be mainly used in the surface friction drag of the backflow back pressure that overcomes emulsified liquid, two loading cylinders and hydraulic oil along stroke pressure loss, emulsified liquid along the stroke pressure loss etc.; Therefore the system capacity loss is little, and energy-saving effect is splendid.The utility model can carry out reliability to the emulsion pump of different model, different capacity and detect test, and combination property and workmanship that can online detection emulsion pump, not only reduced the floor space of equipment, and operate power can be converted into heat energy, thereby reduced operating cost, most importantly can regenerative power, greatly reduce energy consumption, compared with prior art, energy-conservationly reach nearly 70%, it is simple in structure, and is energy-conservation, using effect good, has practicability widely in the present technique field.

Description of drawings

Accompanying drawing is a structural representation of the present utility model.

Among the figure: 1-is by pump testing; The 2-pressure gauge; 3-selector valve I; 4-loads cylinder I; The 5-rod coupling; The 6-proximity detector; 7-loads cylinder II; 8-rectifying valve group; The 9-throttle valve; 10-selector valve II; The 11-safety valve; The 12-oil pump of working; The 13-back pressure valve; 14-working pump fuel tank; 15-working pump oil suction filter; The 16-cooler; The 17-oil hydraulic motor; The 18-gearbox; The tested pump strainer of 19-; 20-is by the pump testing fuel tank.

Embodiment

The utility model will be further described below in conjunction with the embodiment in the accompanying drawing:

Shown in the accompanying drawing, this emulsion pump testing system comprises the electrical apparatus control system that drive motor M opens and closes, transmission is by the gearbox 18 of pump testing 1, the hydraulic oil circulatory system with the emulsified liquid circulatory system that is linked to each other by pump testing 1 and driving gearbox 18, the emulsified liquid circulatory system mainly be included as by pump testing 1 carry emulsified liquid by pump testing fuel tank 20, be located at tested pump strainer 19 on the entrance pipe of pump testing 1, be connected with pressure gauge 2 on the export pipeline of pump testing 1, and be connected with the selector valve I3 of the two-position four-way that is communicated by pump testing fuel tank 20 with by the loading cylinder I4 of selector valve I3 control stroke; The hydraulic oil circulatory system comprises the oil hydraulic motor 17 that drives gearbox 18, by rod coupling 5 and the joining loading cylinder of loading cylinder I4 II7, be connected with the bridge rectifier valve group 8 that constitutes by 4 one-way valves on the inlet and outlet of fuel channel of loading cylinder II7, rectifying valve group 8 is connected with oil hydraulic motor 17 and the oil pump work station that drives gearbox 18 by the road respectively, the oil pump work station comprises the work oil pump 12 that links to each other with drive motor M, be connected with the selector valve II10 of two-position four-way on the loop of work oil pump 12 respectively, and being connected with safety valve 11 and return oil pressure valve 13, the end that loads between cylinder I4 and the loading cylinder II7 is provided with the proximity detector 6 of controlling left and right sides stroke.

Working procedure: will be installed on the output shaft of gearbox 18 by pump testing 1 earlier before the test, by oil pipe with its be connected with two-position four way change valve I2 by pump testing fuel tank 20; And throttle valve 9 opened fully, the discharge capacity of oil hydraulic motor 17 is transferred to maximum.By the drive motor M of electrical apparatus control system startup work oil pump 12, make 12 rotations of work oil pump, at this moment hydraulic oil flows back into fuel tank 14 through selector valve II10, the return oil pressure valve 13 of two-position four-way; Get when electric when automatical control system makes two-position four way change valve II10, connected relation of 4 hydraulic fluid ports changes on it, and the hydraulic oil of work oil pump 12 outputs flows into oil hydraulic motor 17, drives and is rotated by pump testing 1; The emulsified liquid of being exported by pump testing 1 enters the right chamber that loads cylinder I4 through the selector valve I3 of two-position four-way, and the emulsified liquid in its left chamber then flows back to by pump testing fuel tank 20 through the selector valve I3 of two-position four-way; The piston rod that loads cylinder I4 drives the piston that loads cylinder II7 by connector 5 and is moved to the left, and at this moment the hydraulic oil in its left chamber is given oil hydraulic motor 17 through rectifying valve group 8, throttle valve 9 compensation; And the hydraulic oil that flows out from oil hydraulic motor 17 is after cooler 16 coolings, and most of the benefit through rectifying valve group 8 goes into to load the right chamber of cylinder II7, and unnecessary fluid then flows back to working pump fuel tank 14.When piston connector moves to the position of proximity detector 6, this sensor sends commutation signal, automatical control system gets the selector valve I3 of two-position four-way, connected relation of 4 hydraulic fluid ports changes on it, the piston, the connector 5 that load cylinder I4 and loading cylinder II7 move right, move to the position of another proximity detector until connector 5, automatical control system is controlled its commutation again.

When needs change by the rotational speed of pump testing 1, can realize by the discharge capacity of regulating work oil pump 12; When promptly increasing its discharge capacity, tested revolution speed increases, and then its rotational speed reduces on the contrary.

When needs change by the working load of pump testing 1, can realize that when promptly reducing its discharge capacity, the working pressure of tested pumping system then increases by the discharge capacity of regulator solution pressure motor 17, otherwise pressure is reduced.

The maximum load of whole system is set up by safety valve 11, and promptly when system loading increased to a certain degree, safety valve 11 was opened overflow, and system is played the safety protection effect.

Claims (4)

1, a kind of emulsion pump testing system, comprise the electrical apparatus control system that drive motor (M) opens and closes, with the gearbox (18) that is linked to each other by pump testing (1), be located at by the pressure gauge (2) on the pump testing (1), with linked to each other by pump testing (1) pipeline by pump testing fuel tank (20), it is characterized in that: be provided with a selector valve I (3) on by the loop of pump testing (1) and by the loading cylinder I (4) of selector valve I (3) control stroke, load cylinder I (4) and be connected with loading cylinder II (7) by rod coupling (5), be connected with a rectifying valve group (8) on the inlet and outlet of fuel channel of loading cylinder II (7), rectifying valve group (8) is connected with oil hydraulic motor (17) and the oil pump work station that drives gearbox (18) by the road respectively, the oil pump work station comprises the work oil pump (12) that links to each other with drive motor (M), is connected with selector valve II (10) on the loop of work oil pump (12); The end that loads cylinder I (4) and load between the cylinder II (7) is provided with the proximity detector (6) of controlling left and right sides stroke.
2, emulsion pump testing system according to claim 1 is characterized in that: described selector valve I (3) and selector valve II (10) are two-position four way change valve.
3, emulsion pump testing system according to claim 1 is characterized in that: the bridge-type valve group of described rectifying valve group (8) for being made of 4 one-way valves.
4, emulsion pump testing system according to claim 1 is characterized in that: the return line of described work oil pump (12) is provided with safety valve (11) and return oil pressure valve (13).
CN2009200470162U 2009-07-07 2009-07-07 Emulsion pump testing system CN201433884Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200470162U CN201433884Y (en) 2009-07-07 2009-07-07 Emulsion pump testing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200470162U CN201433884Y (en) 2009-07-07 2009-07-07 Emulsion pump testing system

Publications (1)

Publication Number Publication Date
CN201433884Y true CN201433884Y (en) 2010-03-31

Family

ID=42052691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200470162U CN201433884Y (en) 2009-07-07 2009-07-07 Emulsion pump testing system

Country Status (1)

Country Link
CN (1) CN201433884Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101881289A (en) * 2010-07-07 2010-11-10 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 Hydraulic cylinder reliability test method and device based on power recovery technology
CN101881288A (en) * 2010-06-29 2010-11-10 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 Hydraulic cylinder durability test method and device
CN103047528A (en) * 2013-01-04 2013-04-17 中国矿业大学 Automatic low-penetration lubricating grease delivery system
CN103047529A (en) * 2013-01-04 2013-04-17 中国矿业大学 Lubricating grease delivery system of coal mine rail transport cart
CN103994126A (en) * 2014-04-03 2014-08-20 北京工业大学 Test method for open type seawater hydraulic system in deep sea simulation environment
CN104696208A (en) * 2015-03-09 2015-06-10 山东科技大学 On-site detection method and loading combined valve for mine pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101881288A (en) * 2010-06-29 2010-11-10 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 Hydraulic cylinder durability test method and device
CN101881289A (en) * 2010-07-07 2010-11-10 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 Hydraulic cylinder reliability test method and device based on power recovery technology
CN103047528A (en) * 2013-01-04 2013-04-17 中国矿业大学 Automatic low-penetration lubricating grease delivery system
CN103047529A (en) * 2013-01-04 2013-04-17 中国矿业大学 Lubricating grease delivery system of coal mine rail transport cart
CN103994126A (en) * 2014-04-03 2014-08-20 北京工业大学 Test method for open type seawater hydraulic system in deep sea simulation environment
CN104696208A (en) * 2015-03-09 2015-06-10 山东科技大学 On-site detection method and loading combined valve for mine pump

Similar Documents

Publication Publication Date Title
CN100451336C (en) Low idling energy consumption hydraulic power source
CN101654915B (en) Excavator energy-recuperation system
CN100575717C (en) A kind of energy-saving type shield hydraulic control system that adopts hydraulic transformer
CN101598232B (en) Electro-hydraulic driver of control valve
CN202789874U (en) Double-variable closed pump control electro-hydraulic position servo system
EP2881370A1 (en) Membrane seawater desalination pressurization and energy recovery integrated method and device
CN101723271B (en) Hydraulic control system for crane hoisting
CN103790874B (en) Valveless Hydrauservo System and controlling method thereof
CN102587444B (en) Oil hybrid system for excavator with energy differential recovery
CN100427771C (en) Energy saving hydraulic lifting system of variable hydraulic counterweight
CN101864965B (en) Pressure flow rate composite synchronization control energy-saving type shield propelling system
CN101323422B (en) Hydraulic drum winch composite control apparatus
CN100424361C (en) Closed electrohydraulic controlling system
CN2852100Y (en) Hydraulic system of high-speed wire rope and gasket friction experiment machine
CN103775442B (en) Hydraulic cylinder test bed pump control Power Recovery hydraulic control system
CN101370985A (en) Method for controlling a hydraulic cylinder and control system for a work machine
CN103148031A (en) Energy-saving control system of hydraulic movable arm loop
US8523533B1 (en) Constant horsepower regenerative assist for a hydraulic rod pumping unit
US10047768B2 (en) Double-loop control system with single hydraulic motor
CN106321534B (en) Marine floating type well drilling traveling block hook heave compensator
CN201771496U (en) Hydraulic tracting system for shearer driven by load sensitive pump
CN103267034A (en) Load sensitive hydraulic system with compensation valve energy recovery function
RU2529298C2 (en) Hydraulic system and method of hydraulic fluid feed to hydraulic system
CN105298993B (en) Mechanical soft starting auxiliary driving device
CN202326156U (en) Combined test bed for sludge pump and screw drill

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20100331

Effective date of abandoning: 20090707