CN115306793A - Hydraulic test equipment - Google Patents
Hydraulic test equipment Download PDFInfo
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- CN115306793A CN115306793A CN202210806066.4A CN202210806066A CN115306793A CN 115306793 A CN115306793 A CN 115306793A CN 202210806066 A CN202210806066 A CN 202210806066A CN 115306793 A CN115306793 A CN 115306793A
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- 238000012360 testing method Methods 0.000 title claims abstract description 224
- 239000003921 oil Substances 0.000 claims abstract description 355
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 73
- 238000005086 pumping Methods 0.000 claims description 28
- 238000011084 recovery Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a hydraulic test device which comprises a test board and a hydraulic test device, wherein the test board is used for placing a to-be-tested accessory, the hydraulic test device is used for being connected with the to-be-tested accessory on the test board and carrying out hydraulic test on the to-be-tested accessory, the test board comprises an oil collecting tray and an oil collecting plate erected on the oil collecting tray, oil collecting holes are distributed in the oil collecting plate, the oil collecting plate is used for placing the to-be-tested accessory and collecting hydraulic oil overflowing in the test process onto the oil collecting tray through the oil collecting holes, the hydraulic test device comprises an oil collecting tank, and the oil collecting tray is connected with the oil collecting tank and is used for guiding the collected hydraulic oil into the oil collecting tank. The hydraulic test equipment provided by the invention can collect overflowed hydraulic oil into the oil collecting tray in time, and keep the upper surface of the oil collecting plate clean and tidy, thereby ensuring the normal operation of hydraulic test operation, effectively avoiding the waste of the hydraulic oil and ensuring that the equipment is more economic and environment-friendly.
Description
Technical Field
The invention relates to the technical field of hydraulic testing, in particular to hydraulic testing equipment.
Background
At present, a hydraulic testing technology is used as a key technology for development and production of hydraulic elements and hydraulic systems, and is an important means for verifying parameters such as product performance indexes, reliability, service life and the like, so that most hydraulic elements need to be subjected to hydraulic testing operation in the design and production processes.
However, the existing hydraulic test equipment inevitably overflows hydraulic oil in the process of disassembling and assembling the to-be-tested accessories and performing hydraulic test operation, which not only causes the waste and the environmental pollution of the hydraulic oil, but also influences the hydraulic test operation when the overflowing hydraulic oil is too much, thereby influencing the test result.
Disclosure of Invention
The invention provides a hydraulic test device, which aims to solve the technical problems that hydraulic oil overflowing from the existing hydraulic test device is wasted and normal test operation is influenced.
The utility model provides a hydraulic test equipment, includes testboard and hydraulic test device, the testboard is used for placing the accessory that awaits measuring, hydraulic test device be used for with the accessory that awaits measuring on the testboard is connected and right the accessory that awaits measuring carries out the hydraulic test, the testboard includes the oil catch tray and erects in the oil trap on the oil catch tray, laid the oil collecting hole on the oil trap, the oil trap is used for placing the accessory that awaits measuring passes through the oil collecting hole is collected extremely with the hydraulic oil that overflows in the test procedure on the oil catch tray, hydraulic test device is including the oil collecting tank, the oil catch tray with the oil collecting tank is connected and is used for leading-in with the hydraulic oil of collecting in the oil collecting tank.
Preferably, the hydraulic test device is still including test oil tank and recovery oil pump, the test oil tank be used for to the accessory that awaits measuring provides hydraulic oil, the input of recovery oil pump with the collection oil tank is connected, the output of recovery oil pump with the test oil tank is connected, the recovery oil pump be used for with hydraulic oil in the collection oil tank extracts extremely in the test oil tank.
Preferably, the hydraulic testing device further comprises a liquid level relay arranged in the oil collection tank and electrically connected with the recovery oil pump, and the liquid level relay is used for starting the recovery oil pump when the oil amount of the hydraulic oil in the oil collection tank reaches a preset value.
Preferably, the hydraulic test device further comprises a first filter disposed between the oil collection tank and the recovery oil pump.
Preferably, the hydraulic test device further comprises a first test oil pump, a first one-way pipeline and a second one-way pipeline are respectively arranged at a first end of the first test oil pump, the first one-way pipeline is connected with the test oil tank through a first one-way valve facing the first test oil pump from the test oil tank, the second one-way pipeline is connected with the oil collecting oil tank through a second one-way valve facing the oil collecting oil tank from the first test oil pump, and a second end of the first test oil pump is used for being connected with the accessory to be tested;
the oil pumping direction of the first test oil pump can be switched, so that the first test oil pump is used for pumping hydraulic oil in the test oil tank to the accessory to be tested when the first test oil pump rotates forwards, and the first test oil pump is used for pumping hydraulic oil in the accessory to be tested to the oil collecting oil tank when the first test oil pump rotates backwards.
Furthermore, the hydraulic test device further comprises a pressure reducing valve arranged at the second end of the first test oil pump and an oil return pipe connected with the pressure reducing valve, and the oil return pipe is communicated with the test oil tank.
Further, the hydraulic test device also comprises a flowmeter arranged between the pressure reducing valve and the accessory to be tested.
Preferably, the accessory to be tested comprises an oil tank to be tested and a valve bank to be tested, the hydraulic testing device further comprises a testing oil tank and a second testing oil pump, the input end of the second testing oil pump is respectively provided with a first oil pumping pipeline and a second oil pumping pipeline, the first oil pumping pipeline is connected with the testing oil tank and is provided with a first electromagnetic valve for controlling the on-off of the first oil pumping pipeline, the second oil pumping pipeline is used for being connected with the oil tank to be tested and is provided with a second electromagnetic valve for controlling the on-off of the second oil pumping pipeline, and the output end of the second testing oil pump is used for being connected with the valve bank to be tested.
Preferably, the hydraulic test device further comprises a second filter arranged at the output end of the second test oil pump.
Preferably, the hydraulic test device further comprises a test panel and a quick coupling arranged on the test panel, wherein the quick coupling is used for being in butt joint with an oil pipe of the accessory to be tested.
The invention has the following beneficial effects:
according to the hydraulic test equipment provided by the invention, the oil collecting holes are distributed on the oil collecting plate above the oil collecting tray, and the fittings to be tested are arranged through the oil collecting plate, so that hydraulic oil overflowing from the fittings to be tested in the hydraulic test process can be timely collected into the oil collecting tray along the oil collecting holes, and the upper surface of the oil collecting plate is kept clean and tidy, so that the normal operation of the hydraulic test operation is ensured, the test result is accurate and effective, secondly, the hydraulic oil in the oil collecting tray can be led into the oil collecting tank for cyclic utilization, the waste of the hydraulic oil is effectively avoided, the pollution to surrounding is avoided, and the equipment is more economic and environment-friendly.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of a hydraulic test apparatus provided in an embodiment of the present invention;
FIG. 2 is a perspective view of the hydraulic test apparatus of FIG. 1 with the cover plate removed;
FIG. 3 is a perspective view of the hydraulic test apparatus shown in FIG. 2 at another angle;
FIG. 4 is a front view of the hydraulic test apparatus of FIG. 2;
FIG. 5 is a rear view of the hydraulic test apparatus shown in FIG. 2;
fig. 6 is an exploded view of a test stand in the hydraulic test apparatus of fig. 2.
Illustration of the drawings:
1000. a hydraulic test device; 1. a test bench; 11. an oil collecting tray; 111. a base plate; 112. a side wall; 113. an oil drain hole; 12. an oil collecting plate; 121. an oil collecting hole; 13. a support; 131. a cross beam; 2. a hydraulic testing device; 21. an oil collecting tank; 211. a liquid level relay; 22. testing the oil tank; 23. a recovery oil pump; 24. a first filter; 25. a first test oil pump; 251. a first one-way conduit; 2511. a first check valve; 252. a second one-way conduit; 2521. a second one-way valve; 253. a pressure reducing valve; 254. an oil return pipe; 255. a flow meter; 26. a second test oil pump; 261. a first oil pumping pipeline; 2611. a first solenoid valve; 262. a second oil pumping pipeline; 2621. a second solenoid valve; 27. a second filter; 28. testing the panel; 29. a quick coupling; 3. a frame; 4. a transparent cover plate; 2000. an accessory to be tested; 2001. an oil tank to be tested; 2002. a valve group to be tested.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
Fig. 1 to 6 collectively show a hydraulic test apparatus provided in an embodiment of the present invention, which is used for performing a hydraulic test on hydraulic components such as an oil tank and a valve bank to verify parameters such as performance index, reliability, and service life of a product.
Referring to fig. 1 and fig. 2, the hydraulic test apparatus 1000 includes a test board 1 and a hydraulic test device 2, where the test board 1 is used to place an accessory 2000 to be tested, and the hydraulic test device 2 is used to connect with the accessory 2000 to be tested on the test board 1 and perform a hydraulic test on the accessory 2000 to be tested.
Referring to fig. 6, the test bench 1 includes an oil collecting tray 11 and an oil collecting plate 12, the oil collecting plate 12 is erected on the oil collecting tray 11, a plurality of oil collecting holes 121 are distributed on the oil collecting plate 12, and the oil collecting plate 12 is used for placing the to-be-tested fitting 2000 and collecting hydraulic oil overflowing from the to-be-tested fitting 2000 during the assembling, disassembling and testing processes to the oil collecting tray 11 through the oil collecting holes 121. The hydraulic testing device 2 comprises an oil collecting tank 21, and the oil collecting tray 11 is connected with the oil collecting tank 21 and is used for guiding collected hydraulic oil into the oil collecting tank 21.
Specifically, among the hydraulic pressure test equipment 1000, through laid oil collecting hole 121 on the oil collecting plate 12 of oil collecting tray 11 top, in order to pass through oil collecting plate 12 arranges the while of the accessory 2000 that awaits measuring, can make the hydraulic oil that the accessory 2000 that awaits measuring spills over at the in-process of hydraulic pressure test is followed in time oil collecting hole 121 collects extremely in the oil collecting tray 11, keep the clean and tidy of oil collecting plate 12 upper surface to ensure the normal clear of hydraulic pressure test operation, guarantee that the test result is accurate effective, secondly, because hydraulic oil in the oil collecting tray 11 can leading-in extremely carry out cyclic utilization in the oil collecting oil tank 21, effectively avoid the waste of hydraulic oil, avoid causing the pollution to encircleing, make hydraulic pressure test equipment 1000 is economic environmental protection more.
Preferably, the oil catch pan 11 includes bottom plate 111 and divides to locate bottom plate 111 lateral wall 112 all around, bottom plate 111 with lateral wall 112 encloses jointly into the oil collecting chamber, the slope of bottom plate 111 sets up so that hydraulic oil in the oil collecting chamber assembles to the first end of bottom plate 111, convenient unified clearance hydraulic oil on the oil catch pan 11.
Preferably, the first end of the bottom plate 11 is opened with an oil discharge hole 113, and the oil discharge hole 113 is used for connecting with the oil collection tank 21 and guiding the hydraulic oil in the oil collection chamber into the oil collection tank 21. The test bench 1 firstly assembles the hydraulic oil in the oil collecting cavity to one position through the bottom plate 111 arranged obliquely, and then leads out the hydraulic oil in the oil collecting cavity through the oil discharge hole 113, so that the oil guide structure is simple and efficient, and the collected hydraulic oil can be orderly guided into the oil collecting oil tank 21 without additionally arranging an oil pump for extraction.
Preferably, the test board 1 further includes an oil drain valve (not shown, the same applies below), the oil drain valve is disposed on the oil drain hole 113 and is used for controlling the oil drain hole 113 to open and close, so as to turn on or turn off the oil drain hole 113, flexibly control the oil drain time and the oil drain duration, and avoid the oil collecting cavity and/or the hydraulic oil in the oil collecting tank 21 from overflowing.
Preferably, the test bench 1 further comprises a vibration component and/or a fan component connected with the oil collecting tray 11, the vibration component is used for driving the bottom plate 111 to vibrate to drive the hydraulic oil on the bottom plate 111 to flow, the fan component is used for blowing or sucking the hydraulic oil on the bottom plate 111, and the test bench 1 prevents the hydraulic oil from being retained in the air or on the surface of the bottom plate 111 through the action of the vibration component and/or the fan component.
Further, the test bench 1 is still including locating oil collecting tray 11 with support 13 between the oil collecting plate 12, support 13 is followed length direction and/or width direction interval of oil collecting plate 11 are laid the bottom surface of oil collecting plate 11, with pass through support 13 supports simultaneously fixedly the different positions of oil collecting plate 12 avoid oil collecting plate 12 by the accessory 2000 that awaits measuring pushes down the deformation or even collapses.
Preferably, the bracket 13 includes a plurality of cross beams 131 arranged along the length direction of the oil collecting plate 11 at intervals, the cross beam 131 is connected with the side wall 112 and has a gap with the bottom plate 111, the oil collecting plate 12 is mounted on the cross beam 131, and when the cross beam 131 supports the oil collecting plate 12 together, the hydraulic oil in the oil collecting cavity can flow and gather along the gap between the cross beam 131 and the bottom plate 11, so as to avoid the bracket 13 from influencing oil collecting and oil discharging effects.
Preferably, the gap between the cross beam 131 and the bottom plate 111 is greater than 10mm, so that the hydraulic oil can flow sufficiently, and the hydraulic oil is prevented from being accumulated in the gap between the cross beam 131 and the bottom plate 111 in a sealing manner.
Preferably, the lower end of the oil collecting hole 121 is provided with a flow guiding thorn for guiding the hydraulic oil retained in the oil collecting hole 121 to the oil collecting tray 11, so as to prevent the hydraulic oil from being retained in the oil collecting hole 121 and being blocked.
Preferably, the oil collecting hole 121 is a circular hole, so that the oil collecting hole is convenient to machine and form and is more beneficial to oil discharge. Secondly, the round hole structure can be used for arranging connecting pieces such as screws and positioning pins to install and fix the to-be-tested part 2000 on the oil collecting plate 12, and the to-be-tested part 2000 can be conveniently arranged on the oil collecting plate 12.
Preferably, the distance between two adjacent oil collecting holes 121 is smaller than or equal to the caliber of the oil collecting holes 121, so that the oil collecting holes 121 are densely arranged, the phenomenon of hydraulic oil convergence on the upper surface of the oil collecting plate 12 is avoided, and the oil discharging effect of the oil collecting plate 12 is improved.
Further, the oil collecting plate 12 is detachably connected with the oil collecting tray 11, and the oil collecting plate 12 can be conveniently detached to expose the oil collecting cavity when in use, so that hydraulic oil or foreign matters in the oil collecting cavity can be conveniently cleaned.
Further, in the oil collecting tray 11 with in the oil collecting plate 12, one of them is equipped with the constant head tank, and the other is equipped with and inlays the locating piece of locating in the constant head tank, oil collecting plate 12 through the locating piece with the joint cooperation of constant head tank is relative oil collecting tray 11 location installation, avoids oil collecting plate 12 installation dislocation and leads to hydraulic oil to flow to outside oil collecting tray 11.
Further, an oil blocking flange (not shown, the same applies below) is arranged on the upper surface of the oil collecting plate 12, and the oil blocking flange is arranged along the edge of the oil collecting plate 12 so as to enclose the central plane of the oil collecting plate 12 through the oil blocking flange, thereby preventing the hydraulic oil on the oil collecting plate 12 from flowing out along the edge of the oil collecting plate 12.
Please combine fig. 3, fig. 4 and fig. 5, the hydraulic testing apparatus 2 further includes a testing oil tank 22 and a recycling oil pump 23, the testing oil tank 22 is used for providing hydraulic oil to the to-be-tested accessory 2000, an input end of the recycling oil pump 23 is connected to the oil collecting oil tank 21, an output end of the recycling oil pump 23 is connected to the testing oil tank 22, and the recycling oil pump 23 is used for extracting the hydraulic oil in the oil collecting oil tank 21 to the testing oil tank 22, so that the hydraulic oil collected in the oil collecting oil tank 21 can be extracted back to the testing oil tank 22 for hydraulic testing in time in the testing process, thereby realizing recycling of the hydraulic oil.
More preferably, hydraulic pressure testing arrangement 2 still includes liquid level relay 211, liquid level relay 211 locate in the collection oil tank 21 and with retrieve the oil pump 23 electricity and be connected, liquid level relay 211 is used for the oil mass of the hydraulic oil in the collection oil tank 21 starts when reaching first default retrieve the oil pump 23, liquid level relay 211 still is used for the oil mass of the hydraulic oil in the collection oil tank 21 closes when reaching the second default retrieve the oil pump 23, through oil mass in the collection oil tank 21 controls retrieve the start-up time of oil pump 23, avoid retrieve the oil pump 23 idle running.
More preferably, hydraulic test device 2 still includes first filter 24, first filter 24 is located collection oil tank 21 with between the oil recovery pump 23, hydraulic oil in the collection oil tank 21 passes through earlier after first filter 24 filters, passes through again retrieve oil pump 23 and pass through retrieve oil pump 23 and draw back in the test oil tank 22 to make cyclic utilization's hydraulic oil keep pure, avoid the foreign matter to get into and influence equipment operation.
Preferably, the hydraulic test device 2 further comprises a first test oil pump 25, a first one-way pipe 251 and a second one-way pipe 252 are respectively connected to a first end of the first test oil pump 25 through a three-way joint, the first one-way pipe 251 is connected to the test oil tank 22 through a first one-way valve 251 facing the first test oil pump 25 from the test oil tank 22, the second one-way pipe 252 is connected to the oil collection tank 21 through a second one-way valve 2521 facing the oil collection tank 21 from the first test oil pump 25, and a second end of the first test oil pump 25 is used for being connected to the accessory 2000 to be tested; the pumping direction of the first test oil pump 25 can be switched, that is, the first test oil pump 25 can rotate forward to pump the hydraulic oil at the first end to the second end, and can rotate backward to pump the hydraulic oil at the second end back to the first end, so that the first test oil pump 25 pumps the hydraulic oil in the test oil tank 22 to the accessory 2000 to be tested during the forward rotation and the first test oil pump 25 pumps the hydraulic oil in the accessory 2000 to be tested to the oil collecting tank 21 during the reverse rotation through the non-return action of the first check valve 251 and the second check valve 2521.
Therefore, the hydraulic oil in the test oil tank 22 can be extracted into the accessory 2000 to be tested by controlling the first test oil pump 25 to rotate forward, and the hydraulic oil in the accessory 2000 to be tested can be extracted into the oil collecting oil tank 21 by controlling the first test oil pump 25 to rotate reversely, so that the structure can not only extract the residual hydraulic oil in the accessory 2000 to be tested after the test is finished, but also filter the recovered hydraulic oil through the first filter 24 connected with the oil collecting oil tank 21, but also realize the reverse hydraulic test of the accessory 2000 to be tested, and realize more test functions.
Further, hydraulic test device 2 still includes relief pressure valve 253 and oil return pipe 254, relief pressure valve 253 is located the second end of first test oil pump 25 is in order to control the oil pressure of the output hydraulic oil of first test oil pump 25, oil return pipe 254 with relief pressure valve 253 is connected and with test oil tank 22 communicates, works as when the oil pressure of the hydraulic oil of the second end output of first test oil pump 25 is too big pass through relief pressure valve 253 with some hydraulic oil follow oil return pipe 254 leads back in test oil tank 22, guarantees the stability of test oil pressure.
Further, the hydraulic test device 2 further comprises a flow meter 255, wherein the flow meter 255 is arranged between the pressure reducing valve 253 and the to-be-tested fitting 2000, and the flow of hydraulic oil output from the pressure reducing valve 253 to the to-be-tested fitting 2000 is detected through the flow meter, so that a test result is ensured.
Preferably, the accessory 2000 to be tested includes an oil tank 2001 to be tested and a valve bank 2002 to be tested, the hydraulic test device further includes a second test oil pump 26, an input end of the second test oil pump 26 is connected to a first oil pumping pipeline 261 and a second oil pumping pipeline 262 through a three-way joint, the first oil pumping pipeline 261 is connected to the test oil tank 22, a first electromagnetic valve 2611 for controlling on-off of the first oil pumping pipeline 261 is arranged on the first oil pumping pipeline 261, the second oil pumping pipeline 262 is used for being connected to the oil tank 2001 to be tested, a second electromagnetic valve 2621 for controlling on-off of the second oil pumping pipeline 262 is arranged on the second oil pumping pipeline 262, an output end of the second test oil pump 26 is used for being connected to the valve bank 2001 to be tested, and the input end of the second test oil pump 26 is controlled to be conducted to the test oil tank 22 or to be conducted to the oil tank 2001 to be tested by cooperation of the first electromagnetic valve 2611 and the second electromagnetic valve bank 2621, so that the second test oil pump 26 pumps hydraulic oil in the test oil tank 22 or the oil tank 2001 to be tested to perform different hydraulic test procedures.
More preferably, hydraulic test device 2 still includes second filter 27, second filter 27 locates the output of second test oil pump 26 with between the valves 2002 that awaits measuring, work as second test oil pump 26 with when the oil tank 2001 that awaits measuring switches on, through second filter 27 is right hydraulic oil in the oil tank 2001 that awaits measuring filters, avoids in the hydraulic oil in the oil tank 2001 that awaits measuring directly gets into the test return circuit, guarantees the purity of the hydraulic oil in the test backward flow.
Preferably, the hydraulic test device 2 further comprises a test panel 28 and a quick coupling 29 arranged on the test panel 28, a first end of the quick coupling 29 is connected with the test oil pump 25 or the second test oil pump 26, a second end of the quick coupling 29 is used for being in butt joint with an oil pipe of the accessory 2000 to be tested, and the accessory 2000 to be tested is rapidly connected through the quick coupling 29, so that the assembly and the use are convenient, the convenience of hydraulic test is improved, and the test efficiency is improved.
Further, the hydraulic test equipment 1000 further comprises a frame 3 and a cover plate arranged on the frame 3, the test board 1 and the hydraulic test device 2 are arranged on the frame 3, and the cover plate covers an opening in the frame 3.
Preferably, the test panel 28 erects in one side of testboard 1 and with testboard 1 encloses jointly and synthesizes test space, the apron is located including the cover glass apron 4 in the test space, through glass apron 4 covers closes the test space, guarantees the stability and the security of test to conveniently observe the test condition.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a hydraulic test equipment, includes testboard (1) and hydraulic test device (2), testboard (1) is used for placing accessory (2000) that awaits measuring, hydraulic test device (2) be used for with accessory (2000) that awaits measuring on testboard (1) are connected and right accessory (2000) that awaits measuring carries out hydraulic test, a serial communication port, testboard (1) include oil catch tray (11) and erect in oil collecting plate (12) on oil catch tray (11), laid oil collecting hole (121) on oil collecting plate (12), oil collecting plate (12) are used for placing accessory (2000) that awaits measuring and pass through oil collecting hole (121) collect the hydraulic oil that overflows in the test procedure extremely on oil catch tray (11), hydraulic test device (2) are including oil collecting tank (21), oil catch tray (11) with oil collecting tank (21) are connected and are used for leading-in with the hydraulic oil that collects in oil collecting tank (21).
2. The hydraulic test equipment according to claim 1, wherein the hydraulic test device (2) further comprises a test oil tank (22) and a recovery oil pump (23), the test oil tank (22) is used for supplying hydraulic oil to the accessory (2000) to be tested, an input end of the recovery oil pump (23) is connected with the oil collection oil tank (21), an output end of the recovery oil pump (23) is connected with the test oil tank (22), and the recovery oil pump (23) is used for pumping the hydraulic oil in the oil collection oil tank (21) into the test oil tank (22).
3. The hydraulic test apparatus according to claim 2, wherein the hydraulic test device (2) further comprises a liquid level relay (211) disposed in the oil collection tank (21) and electrically connected to the recovery oil pump (23), the liquid level relay (211) being configured to activate the recovery oil pump (23) when an amount of hydraulic oil in the oil collection tank (21) reaches a preset value.
4. The hydraulic test apparatus according to claim 2, characterized in that the hydraulic test device (2) further comprises a first filter (24) provided between the oil collection tank (21) and the recovery oil pump (23).
5. The hydraulic test apparatus according to claim 4, characterized in that the hydraulic test device (2) further comprises a first test oil pump (25), a first end of the first test oil pump (25) is respectively provided with a first one-way pipe (251) and a second one-way pipe (252), the first one-way pipe (251) is connected with the test oil tank (22) through a first one-way valve (2511) from the test oil tank (22) towards the first test oil pump (25), the second one-way pipe (252) is connected with the oil collection tank (21) through a second one-way valve (2521) from the first test oil pump (25) towards the oil collection tank (21), and a second end of the first test oil pump (25) is used for connecting with the accessory (2000) to be tested;
the oil pumping direction of the first test oil pump (25) can be switched, so that the first test oil pump (25) pumps the hydraulic oil in the test oil tank (22) to the accessory (2000) to be tested when rotating forwards, and the first test oil pump (25) pumps the hydraulic oil in the accessory (2000) to be tested to the oil collecting oil tank (21) when rotating backwards.
6. The hydraulic test apparatus according to claim 5, wherein the hydraulic test device (2) further comprises a pressure reducing valve (253) provided at the second end of the first test oil pump (25) and an oil return pipe (254) connected to the pressure reducing valve (253), the oil return pipe (254) communicating with the test oil tank (22).
7. The hydraulic test apparatus according to claim 6, characterized in that the hydraulic test device (2) further comprises a flow meter (255) provided between the pressure reducing valve (253) and the fitting under test (2000).
8. The hydraulic test equipment according to claim 1, wherein the accessory (2000) to be tested comprises a tank (2001) to be tested and a valve bank (2002) to be tested, the hydraulic test device (2) further comprises a test tank (22) and a second test oil pump (26), an input end of the second test oil pump (26) is respectively provided with a first oil pumping pipeline (261) and a second oil pumping pipeline (262), the first oil pumping pipeline (261) is connected with the test tank (22) and is provided with a first electromagnetic valve (2611) for controlling the on-off of the first oil pumping pipeline (261), the second oil pumping pipeline (262) is used for being connected with the tank (2001) to be tested and is provided with a second electromagnetic valve (262) for controlling the on-off of the second oil pumping pipeline (262), and an output end of the second test oil pump (26) is used for being connected with the valve bank (2002) to be tested.
9. The hydraulic test apparatus according to claim 8, characterized in that the hydraulic test device (2) further comprises a second filter (27) provided at the output of the second test oil pump (26).
10. The hydraulic test apparatus according to claim 1, wherein the hydraulic test device (2) further comprises a test panel (28) and a quick coupling (29) arranged on the test panel (28), wherein the quick coupling (29) is used for being in butt joint with an oil pipe of the fitting (2000) to be tested.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210806066.4A CN115306793A (en) | 2022-07-08 | 2022-07-08 | Hydraulic test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210806066.4A CN115306793A (en) | 2022-07-08 | 2022-07-08 | Hydraulic test equipment |
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| CN115306793A true CN115306793A (en) | 2022-11-08 |
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| CN202210806066.4A Pending CN115306793A (en) | 2022-07-08 | 2022-07-08 | Hydraulic test equipment |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207018301U (en) * | 2017-07-12 | 2018-02-16 | 深圳市科斯腾液压设备有限公司 | Electrohydraulic servo motor shock-testing platform |
| CN108412823A (en) * | 2018-05-09 | 2018-08-17 | 登派液压技术（上海）有限公司 | A kind of single cylinder positioning power unit |
| CN209483741U (en) * | 2018-11-26 | 2019-10-11 | 深圳市科斯腾液压设备有限公司 | Hydraulic test system |
| CN209838839U (en) * | 2019-02-25 | 2019-12-24 | 佛山市顺德区中意液压有限公司 | Hydraulic motor friction pair test bench |
| CN210660845U (en) * | 2019-08-05 | 2020-06-02 | 冀东海德堡(泾阳)水泥有限公司 | Hydraulic cylinder oil leakage recovery device for hydraulic system of roller press |
| CN211820204U (en) * | 2019-09-22 | 2020-10-30 | 云南煤业能源股份有限公司 | Hydraulic cylinder testing device |
| CN113029266A (en) * | 2021-03-26 | 2021-06-25 | 宁波星箭航天机械有限公司 | Aircraft fuel oil mass test equipment |
| CN113669329A (en) * | 2021-10-22 | 2021-11-19 | 济宁安泰矿山设备制造有限公司 | Hydraulic valve endurance test platform |
| CN215927996U (en) * | 2021-09-28 | 2022-03-01 | 石家庄市明远锻件制造有限公司 | Hydraulic component overhauls platform |
-
2022
- 2022-07-08 CN CN202210806066.4A patent/CN115306793A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207018301U (en) * | 2017-07-12 | 2018-02-16 | 深圳市科斯腾液压设备有限公司 | Electrohydraulic servo motor shock-testing platform |
| CN108412823A (en) * | 2018-05-09 | 2018-08-17 | 登派液压技术（上海）有限公司 | A kind of single cylinder positioning power unit |
| CN209483741U (en) * | 2018-11-26 | 2019-10-11 | 深圳市科斯腾液压设备有限公司 | Hydraulic test system |
| CN209838839U (en) * | 2019-02-25 | 2019-12-24 | 佛山市顺德区中意液压有限公司 | Hydraulic motor friction pair test bench |
| CN210660845U (en) * | 2019-08-05 | 2020-06-02 | 冀东海德堡(泾阳)水泥有限公司 | Hydraulic cylinder oil leakage recovery device for hydraulic system of roller press |
| CN211820204U (en) * | 2019-09-22 | 2020-10-30 | 云南煤业能源股份有限公司 | Hydraulic cylinder testing device |
| CN113029266A (en) * | 2021-03-26 | 2021-06-25 | 宁波星箭航天机械有限公司 | Aircraft fuel oil mass test equipment |
| CN215927996U (en) * | 2021-09-28 | 2022-03-01 | 石家庄市明远锻件制造有限公司 | Hydraulic component overhauls platform |
| CN113669329A (en) * | 2021-10-22 | 2021-11-19 | 济宁安泰矿山设备制造有限公司 | Hydraulic valve endurance test platform |
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Application publication date: 20221108 |