CN105134577A - Gear pump test bench anti-pollution automatic pressure regulator - Google Patents
Gear pump test bench anti-pollution automatic pressure regulator Download PDFInfo
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- CN105134577A CN105134577A CN201510650268.4A CN201510650268A CN105134577A CN 105134577 A CN105134577 A CN 105134577A CN 201510650268 A CN201510650268 A CN 201510650268A CN 105134577 A CN105134577 A CN 105134577A
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- oil
- gear pump
- workbench body
- antipollution
- test stand
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Abstract
The invention discloses a gear pump test bench anti-pollution automatic pressure regulator which comprises a workbench body and an oil tank arranged below the workbench body, wherein one end of the oil tank is connected with a high-pressure filter through a combination pad and a pipe coupling, and the other end is connected with a plunger pump through a combination pad and a pipe coupling; one end of the plunger pump is connected with an oil absorbing filter through a combination pad and a pipe coupling; and the upper end of the plunger pump is connected with a motor through a coupling. A special device is adopted to isolate oil for the proportioning valve from oil for the test bench so as to ensure the cleanliness of the oil for the proportioning valve, thereby ensuring the normal operation of the proportioning valve and further preventing the test bench from being incapable of normal operation due to oil pollution. The pump oil outlet is directly connected with an insertion block, and oil from the insertion block becomes low-pressure oil and flows back to the oil tank through a flowmeter cooler. The high-pressure pipeline is very short, thereby reducing the oil impregnation link. The inserter is controlled in a far-end proportional control mode, so that the control circuit apparatus and instrument are separated from the oil duct, thereby facilitating installation and maintenance.
Description
Technical field
The present invention relates to oil hydraulic pump field, be specifically related to gear pump test stand antipollution automatic pressure regulating device
Background technique
Gear pump (hydraulic element) dispatches from the factory and wants every platform all will test, and test has Special test platform, and test stand is exactly the operating mode examination pump performance of simulation pump, the working life of life test examination pump.Wherein mainly add voltage adjustment of on-load to pump, be all adopt manual throttle valve to load, drawback is a lot of in the past.Such as:
1, throttle valve adjustment delivery side of pump stimulates the menstrual flow, by the temperature of oil, and restriction shape, the impact of the factors such as flow, pressure regulation is unstable, and pressure climbed by small displacement pump;
2, throttle grip bar adopts the sealing of O type circle, and the time has grown easy wearing and tearing and oil impregnate outward;
3, adjusting pressuring handle is mechanical structure immediate roof pressure oil pressure regulation effort.
In order to solve the problem, our factory adoption rate relief valve pressure regulating loads, solve the shortcoming with throttle valve, but there is again new problem, in process of the test, scratch body generation iron Xiao Huo Aluminum due to gear pump to cut, the molecule fallen in assembly process in pump makes in oil containing various minute impurities, because proportional pressure control valve is the guide oil that proportion electro-magnet controls, guide's oilhole 0.8mm, in oil, impurity is easy to hydraulic fluid port to block, make Proportional valve cisco unity malfunction, need often to unpick and wash or change, so directly usage ratio relief valve pressure regulating loads infeasible, and cannot load more than the pump (hydraulic element) of 500L/min flow, there is not super sized type throttle valve in prior art simultaneously, even if having, manpower moves also difficulty, do not possess practicability.
Summary of the invention
For solving the problem, the invention provides a kind of gear pump test stand antipollution automatic pressure regulating device, solving when oil is bad, automatically can not add the problem of voltage adjustment of on-load with Proportional valve.
For achieving the above object, the technological scheme that the present invention takes is:
Gear pump test stand antipollution automatic pressure regulating device, comprise workbench body and be arranged at the fuel tank below workbench body, fuel tank one end is connected with high press filtration by combination mat and pipe joint, the other end is connected with plunger pump by combination mat and pipe joint, described plunger pump one end is connected with oil absorption filter by combination mat and pipe joint, described plunger pump upper end is connected with motor by shaft joint, described motor is positioned at the upper end of described fuel tank, shell is provided with outside described shaft joint, described plunger pump is fixedly connected with described shell by socket head screw, described high press filtration is outer is provided with integrated package by socket head screw, described integrated package is wrapped in outside described high press filtration, described integrated package upper end is connected with pressure gauge by fittings body, described integrated package side is connected with solenoid directional control valve, opposite side is provided with proportional pressure control valve, described proportional pressure control valve is connected with described workbench body by pipe joint, described workbench body is provided with air filter by air filter flange, described workbench body side is provided with level meter, described level meter is for detecting the liquid level in fuel tank, a base is provided with below described motor, described base is fixedly connected with described workbench body by bolt.
Wherein, described pressure gauge is provided with pressure meter switch.
Wherein, described fuel tank bottom is provided with one by hexagonal socket head plug and combination mat and drains the oil nut.
Wherein, described coupling shaft is connected with motor through described base.
Wherein, described level meter (7) float level meter that is range 100mm.
Wherein, described pressure gauge (17) is high-precision pressure gauge
For solving the problem, present invention also offers the application of above-mentioned gear pump test stand antipollution automatic pressure regulating device on Test Stand for Accepting Hydraulic Pump and on Life for Hydraulic Pump examination test stand.
The present invention has following beneficial effect:
The invention solves those drawbacks that throttle valve loads.Adopt special device to be kept apart with test stand oil by Proportional valve oil simultaneously, ensure the turbidity test of Proportional valve fluid, thus ensure that Proportional valve normally works, most and proof test platform is not because of oil pollution cisco unity malfunction.Pump hydraulic fluid port to be directly connected with inserted block simultaneously, inserted block outlet just becomes low pressure oil and flows back to fuel tank through flowmeter cooler, pressure duct is very short, reduce oil impregnate link, plug-in unit controls to adopt far-end proportional control, control apparatus and instrument are separated with oil circuit, be easy for installation and maintenance (all mixed, electric wire and electrical apparatus element are corroded perishable by oil in the past).This device extensive use Test Stand for Accepting Hydraulic Pump and life-span try, on test stand, can save the loading station energy simultaneously, prevent loading station oil temperature from raising too fast.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of gear pump test stand antipollution of embodiment of the present invention automatic pressure regulating device.
Fig. 2 is the plan view of Fig. 1.
Embodiment
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1-2, embodiments provide a kind of gear pump test stand antipollution automatic pressure regulating device, comprise workbench body and be arranged at the fuel tank 16 below workbench body, fuel tank 16 one end is connected with high press filtration 4 by combination mat 6 and pipe joint 5, the other end is connected with plunger pump 11 by combination mat 6 and pipe joint 5, described plunger pump 11 one end is connected with oil absorption filter 22 by combination mat 6 and pipe joint 5, described plunger pump 11 upper end is connected with motor 12 by shaft joint 19, described motor 12 is positioned at the upper end of described fuel tank 16, shell is provided with outside described shaft joint 19, described plunger pump 11 is fixedly connected with described shell by socket head screw 3, described high press filtration 4 is outer is provided with integrated package 2 by socket head screw 3, described integrated package 2 is wrapped in outside described high press filtration 4, described integrated package 2 upper end is connected with pressure gauge 17 by fittings body 18, described integrated package side is connected with solenoid directional control valve 8, opposite side is provided with proportional pressure control valve 1, described proportional pressure control valve 1 is connected with described workbench body by pipe joint 5, described workbench body is provided with air filter 13 by air filter flange 14, described workbench body side is provided with level meter 7, described level meter 7 is for detecting the liquid level in fuel tank 16, a base is provided with below described motor 12, described base is fixedly connected with described workbench body by bolt 9.
Described pressure gauge 17 is provided with pressure meter switch 15.
Described fuel tank 16 bottom is provided with one by hexagonal socket head plug 21 and combination mat 6 and drains the oil nut 20.
Described coupling shaft 19 is connected with motor 12 through described base.
Described level meter 7 is the float level meter of range 100mm.
Described pressure gauge 17 is high-precision pressure gauge.
Wherein, the inwall of described fuel tank 16 is coated with a corrosion resistant coating, is prepared from by the component of following weight portion:
ABS rubber powder 25-85 part, AS resin I12-81 part, AS resin II3-7 part, acrylic acid series additive 0.5-6.5 part of perfluoroalkyl, zinc borate 2-6 part, antimonous oxide 2-6 part, tetrabromobisphemol A 5-10 part, TDE 5-15 part, machine tin type thermal stabilizing agent 0.1-1 part, copolymer 3-10 part of N-phenylmaleimide, copolymer 5-15 part of AMS, hindered phenol compound 0.1-1 part, bi-ester of phosphite 0.3-0.5 part, fatty acid amide 0.1-0.5 part, stearate 0.1-0.5 part.
Hydraulic principle of the present invention does power source with 3KW driven by motor small-displacement plunger exactly, with a Proportional Valve-controlled pressing pressure, draw control oil with three valves with ball seat (available multiple) according to user's request, control different plug-in unit and load to different pump.Controlled plug-in unit area ratio 1: 2, namely the pressure of 1MPa drawn by valve with ball seat, is just loaded 2MPa, can saves the loading station energy like this by pump testing, prevents loading station oil temperature from raising too fast.
This concrete working principle implemented is: when oil is bad, keeps apart with proportional pressure control valve oil by pump testing oil.Adopt the little proportional pressure control valve that stimulates the menstrual flow separately, control required big orifice plug-in unit throttle valve, loaded by pump testing, by pump testing oil by plug-in unit throttling, require that oil is not high, several plug-in units can be controlled simultaneously, load namely can to several pumps, pressure stability is consistent, and flow can be infinitely great simultaneously.We use valve with ball seat in parallel, are not guided to by control oil content on each plug-in unit, control plug-in unit and open, can do shock test simultaneously with valve with ball seat
This concrete enforcement adopts special device to be kept apart with test stand oil by Proportional valve oil, ensures the turbidity test of Proportional valve fluid, thus ensures that Proportional valve normally works, and most and proof test platform is not because of oil pollution cisco unity malfunction.Pump hydraulic fluid port to be directly connected with inserted block simultaneously, inserted block outlet just becomes low pressure oil and flows back to fuel tank through flowmeter cooler, pressure duct is very short, reduce oil impregnate link, plug-in unit controls to adopt far-end proportional control, control apparatus and instrument are separated with oil circuit, be easy for installation and maintenance and all mix in the past, electric wire and electrical apparatus element are corroded perishable by oil.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. gear pump test stand antipollution automatic pressure regulating device, comprise workbench body and be arranged at the fuel tank (16) below workbench body, it is characterized in that, fuel tank (16) one end is connected with high press filtration (4) by combination mat (6) and pipe joint (5), the other end is connected with plunger pump (11) by combination mat (6) and pipe joint (5), described plunger pump (11) one end is connected with oil absorption filter (22) by combination mat (6) and pipe joint (5), described plunger pump (11) upper end is connected with motor (12) by shaft joint (19), described motor (12) is positioned at the upper end of described fuel tank (16), described shaft joint is provided with shell outside (19), described plunger pump (11) is fixedly connected with described shell by socket head screw (3), described high press filtration (4) is provided with integrated package (2) by socket head screw (3) outward, described integrated package (2) is wrapped in described high press filtration (4) outward, described integrated package (2) upper end is connected with pressure gauge (17) by fittings body (18), described integrated package side is connected with solenoid directional control valve (8), opposite side is provided with proportional pressure control valve (1), described proportional pressure control valve (1) is connected with described workbench body by pipe joint (5), described workbench body is provided with air filter (13) by air filter flange (14), described workbench body side is provided with level meter (7), described level meter (7) is for detecting the liquid level in fuel tank (16), described motor (12) below is provided with a base, described base is fixedly connected with described workbench body by bolt (9).
2. gear pump test stand antipollution automatic pressure regulating device according to claim 1, is characterized in that, described pressure gauge (17) is provided with pressure meter switch (15).
3. gear pump test stand antipollution automatic pressure regulating device according to claim 1, it is characterized in that, described fuel tank (16) bottom is provided with one by hexagonal socket head plug (21) and combination mat (6) and drains the oil nut (20).
4. gear pump test stand antipollution automatic pressure regulating device according to claim 1, is characterized in that, described coupling shaft (19) is connected with motor (12) through described base.
5. gear pump test stand antipollution automatic pressure regulating device according to claim 1, is characterized in that, the float level meter that described level meter (7) is range 100mm.
6. gear pump test stand antipollution automatic pressure regulating device according to claim 1, is characterized in that, described pressure gauge (17) is high-precision pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650268.4A CN105134577A (en) | 2015-10-09 | 2015-10-09 | Gear pump test bench anti-pollution automatic pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650268.4A CN105134577A (en) | 2015-10-09 | 2015-10-09 | Gear pump test bench anti-pollution automatic pressure regulator |
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| Publication Number | Publication Date |
|---|---|
| CN105134577A true CN105134577A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510650268.4A Pending CN105134577A (en) | 2015-10-09 | 2015-10-09 | Gear pump test bench anti-pollution automatic pressure regulator |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0710199A1 (en) * | 1993-07-31 | 1996-05-08 | Lucas Industries Public Limited Company | Testing and speed control of electric motors in vehicles having electronically controlled braking systems |
| CN201610839U (en) * | 2009-12-30 | 2010-10-20 | 上海高压油泵厂有限公司 | Double-speed oil pump test-bed hydraulic device |
| CN202140295U (en) * | 2011-06-29 | 2012-02-08 | 安徽蓝博旺机械有限责任公司 | Pump performance testing table |
| CN204458305U (en) * | 2015-02-03 | 2015-07-08 | 河北同成科技股份有限公司 | A kind of detection facility of Double-liquid mud-injection pump |
| CN204572634U (en) * | 2015-04-23 | 2015-08-19 | 阜新德尔汽车部件股份有限公司 | Electricity liquid pump performance test stand |
| CN205001166U (en) * | 2015-10-09 | 2016-01-27 | 陈伟强 | Gear pump test bench antipollution automatic voltage regulation device |
-
2015
- 2015-10-09 CN CN201510650268.4A patent/CN105134577A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0710199A1 (en) * | 1993-07-31 | 1996-05-08 | Lucas Industries Public Limited Company | Testing and speed control of electric motors in vehicles having electronically controlled braking systems |
| CN201610839U (en) * | 2009-12-30 | 2010-10-20 | 上海高压油泵厂有限公司 | Double-speed oil pump test-bed hydraulic device |
| CN202140295U (en) * | 2011-06-29 | 2012-02-08 | 安徽蓝博旺机械有限责任公司 | Pump performance testing table |
| CN204458305U (en) * | 2015-02-03 | 2015-07-08 | 河北同成科技股份有限公司 | A kind of detection facility of Double-liquid mud-injection pump |
| CN204572634U (en) * | 2015-04-23 | 2015-08-19 | 阜新德尔汽车部件股份有限公司 | Electricity liquid pump performance test stand |
| CN205001166U (en) * | 2015-10-09 | 2016-01-27 | 陈伟强 | Gear pump test bench antipollution automatic voltage regulation device |
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Application publication date: 20151209 |
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