CN109029965A - Hydraulic system is used in a kind of test of center-rotary joint - Google Patents
Hydraulic system is used in a kind of test of center-rotary joint Download PDFInfo
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- CN109029965A CN109029965A CN201811020219.2A CN201811020219A CN109029965A CN 109029965 A CN109029965 A CN 109029965A CN 201811020219 A CN201811020219 A CN 201811020219A CN 109029965 A CN109029965 A CN 109029965A
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- rotary joint
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- pressure
- pressure oil
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000002828 fuel tank Substances 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 78
- 238000000034 method Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides a kind of center-rotary joint test hydraulic systems, and including the hydraulic pump being arranged on fuel tank, center-rotary joint hydraulic system includes high-pressure oil passage and low pressure oil way；Center-rotary joint high-pressure oil passage includes the first switch valve for controlling high-pressure oil passage on-off, and one end of center-rotary joint first switch valve is connected to the oil outlet of center-rotary joint hydraulic pump, and the other end is connected to the high pressure oil inlet of center-rotary joint to be tested；Make the hydraulic system that there is high-low pressure static pressure test ability by the way that high-low circuit is arranged, and pass through setting inlet pressure detection device and outlet pressure detection device, so that the hydraulic system has through-current capability power of test, the hydraulic system has the advantage for testing many kinds of parameters such as high and low static pressure and through-current capability, and a set of hydraulic system is just able to satisfy the performance test demand of center-rotary joint routine.
Description
Technical field
The present invention relates to hydraulic system fields more particularly to a kind of test of center-rotary joint to use hydraulic system.
Background technique
Center-rotary joint is generally used in the hydraulic systems such as excavator, shield machine sediment improvement device, plays transmission
The effect of pipeline between rotatable parts and stationary parts.Existing center-rotary joint needs to carry out high-low pressure static pressure when leaving the factory
Test, through-current capability test etc. a variety of test contents, however test equipment in the prior art generally can only for wherein some
Parameter is tested, detection while can not accomplishing many kinds of parameters in same test equipment.
Summary of the invention
The technical problem to be solved by the present invention is test equipment in the prior art generally can only be for wherein some parameter
It is tested, detection while can not accomplishing many kinds of parameters in same test equipment, the present invention provides a kind of center revolutions
Connector test is solved the above problems with hydraulic system.
The technical solution adopted by the present invention to solve the technical problems is: hydraulic pressure system is used in a kind of test of center-rotary joint
System, including the hydraulic pump being arranged on fuel tank, the hydraulic system includes high-pressure oil passage and low pressure oil way；The high-pressure oil passage packet
The first switch valve of control high-pressure oil passage on-off is included, one end of the first switch valve is connected to the oil outlet of the hydraulic pump, separately
One end is connected to the high pressure oil inlet of center-rotary joint to be tested；The low pressure oil way includes that pressure reducing valve and control low pressure oil way are logical
Disconnected second switch valve, the oil inlet of the pressure reducing valve are connected to the oil outlet of the hydraulic pump, and the one of the second switch valve
End is connected to the oil outlet of the pressure reducing valve, and the other end is connected to the low pressure oil inlet of center-rotary joint to be tested, described hydraulic
The oil outlet of pump is provided with the pressure regulator valve of connection fuel tank；High pressure oil inlet and low pressure oil inlet in center-rotary joint to be tested
Inlet pressure detection device is respectively arranged at mouthful.
Further: the hydraulic system further includes flow rate test circuit, and the flow rate test circuit includes counterbalance valve, cuts
Valve and flowmeter are changed, the high-pressure oil outlet or low pressure oil outlet of the oil inlet of the counterbalance valve and center-rotary joint to be tested connect
It is logical；The oil outlet of the counterbalance valve is connected to the oil inlet of switching valve, and the switching valve is equipped with the first switching port and the second switching
Mouthful, the flowmeter is arranged on first switching port and is connected to fuel tank, and second switching port is connected to the fuel tank；
The high-pressure oil outlet and low pressure oil outlet of center-rotary joint to be tested are respectively arranged with outlet pressure detection device.
Further: it is provided with relief valve at the oil inlet of the first switch valve and the second switch valve, it is described
The oil inlet of relief valve is connected at the oil inlet of the first switch valve or second switch valve, the oil outlet of the relief valve with
On or off state can be switched in fuel tank connection, the relief valve.
Further: the high-pressure oil outlet and low pressure of the flow rate test circuit and corresponding center-rotary joint to be tested go out
Quick coupling is provided between oil port.
Further: the flowmeter and second switching port are connected to by air cooler with the fuel tank.
Further: the inlet pressure detection device and the outlet pressure detection device are pressure sensor or pressure
Power table.
The invention has the advantages that a kind of center-rotary joint test of the present invention passes through setting high-low pressure with hydraulic system
Circuit makes the hydraulic system have high-low pressure static pressure test ability, and passes through setting inlet pressure detection device and outlet pressure
Detection device, so that the hydraulic system has through-current capability power of test, which, which has, tests high and low static pressure and leads to
The advantage of many kinds of parameters such as stream ability, a set of hydraulic system are just able to satisfy the performance test demand of center-rotary joint routine.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of hydraulic scheme of center-rotary joint test hydraulic system of the present invention.
1, hydraulic pump in figure, 2, first switch valve, 3, second switch valve, 4, center-rotary joint, 5, pressure reducing valve, 6, oil
Case, 7, pressure regulator valve, 8, inlet pressure detection device, 9, counterbalance valve, 10, switching valve, 11, flowmeter, 12, outlet pressure detection dress
It sets, 13, relief valve, 14, quick coupling, 15, air cooler, 16, high pressure oil inlet, 17, low pressure oil inlet, 18, high-pressure oil outlet,
19, low pressure oil outlet.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.On the contrary, this
The embodiment of invention includes all changes fallen within the scope of the spiritual and intension of attached claims, modification and is equal
Object.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ",
The orientation or positional relationship of the instructions such as " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the common of this field
For technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, in description of the invention
In, unless otherwise indicated, the meaning of " plurality " is two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
As shown, the present invention provides a kind of 4 test hydraulic system of center-rotary joint, including be arranged in fuel tank 6
On hydraulic pump 1, the hydraulic system includes high-pressure oil passage and low pressure oil way；The high-pressure oil passage includes that control high-pressure oil passage is logical
Disconnected first switch valve 2, one end of the first switch valve 2 are connected to the oil outlet of the hydraulic pump 1, and other end connection is to be tested
The high pressure oil inlet 16 of center-rotary joint 4；The low pressure oil way includes that pressure reducing valve 5 is opened with the second of control low pressure oil way on-off
Valve 3 is closed, the oil inlet of the pressure reducing valve 5 is connected to the oil outlet of the hydraulic pump 1, one end connection of the second switch valve 3
The oil outlet of the pressure reducing valve 5, the other end are connected to the low pressure oil inlet 17 of center-rotary joint 4 to be tested, the hydraulic pump 1
Oil outlet be provided with connection fuel tank 6 pressure regulator valve 7；In the high pressure oil inlet 16 and low pressure of center-rotary joint 4 to be tested
Inlet pressure detection device 8 is respectively arranged at oil inlet 17.
When test starts, static pressure test is carried out, the high-pressure oil outlet 18 and low pressure of center-rotary joint 4 to be tested are fuel-displaced
Mouth 19 is closed, and hydraulic pump 1 is opened, and the pressure in 1 exit of hydraulic pump is adjusted by pressure regulator valve 7, so that at high pressure oil inlet 16
Reach the pressure tested.Pressure reducing valve 5 in low pressure oil way lowers the high pressure in 1 exit of hydraulic pump, is down to low pressure oil way
Test pressure.It, can be by high pressure oil inlet 16 and low pressure oil inlet 17 by closing first switch valve 2 and second switch valve 3
It closes, to realize the pressure maintaining test job of low pressure and high pressure in center-rotary joint 4.
The hydraulic system further includes flow rate test circuit, and the flow rate test circuit includes counterbalance valve 9,10 and of switching valve
Flowmeter 11, the high-pressure oil outlet 18 or low pressure oil outlet 19 of the oil inlet of the counterbalance valve 9 and center-rotary joint 4 to be tested
Connection；The oil outlet of the counterbalance valve 9 is connected to the oil inlet of switching valve 10, and the switching valve 10 is equipped with the first switching port and the
Two switching ports, the flowmeter 11 are arranged on first switching port and are connected to fuel tank 6, second switching port with it is described
Fuel tank 6 is connected to；Outlet pressure is respectively arranged at the high-pressure oil outlet 18 and low pressure oil outlet 19 of center-rotary joint 4 to be tested
Force checking device 12.
Flow rate test circuit is used to test the through-current capability of center-rotary joint 4 to be tested, the hydraulic oil that hydraulic pump 1 pumps out
Flow rate test circuit is entered after flowing through center-rotary joint 4, counterbalance valve 9 is flowed through by counterbalance valve 9 and adjusts center-rotary joint 4
Pressure, flowmeter 11 is switched into circuit by the switching of switching valve 10, by first switch valve 2 or second switch valve 3 by high pressure
Oil liquid flow in oil circuit or low pressure oil way is adjusted to test value, by reading inlet pressure detection device 8 and outlet pressure
The pressure value of detection device 12, the pressure difference of the oil inlet and outlet of you can get it center-rotary joint 4, to measure central revolution
The through-current capability of connector 4.
First switch valve 2 and second switch valve 3 can select conventional ball valve or shut-off valve etc. that there is flow to adjust function
Can be with the control valve of media feature, switch valve valve parts common in the art, those skilled in the art can basis
Actual conditions are selected.
Relief valve 13, the relief valve are provided at the oil inlet of the first switch valve 2 and the second switch valve 3
13 oil inlet is connected at the oil inlet of the first switch valve 2 or second switch valve 3, the oil outlet of the relief valve 13 with
Fuel tank 6 is connected to, and on or off state can be switched in the relief valve 13.
After the test item for completing corresponding oil circuit, high-pressure oil passage or low tension loop can be connected to by relief valve 13 in time
To fuel tank 6 so that center-rotary joint 4 has the function of timely pressure release, in 4 oil duct of center-rotary joint can rapidly pressure release it is complete
At, can just be carried out after to be done assembly and disassembly fluid pressure line subsequent operation.
Relief valve 13 can be two-position two-way solenoid valve, and spool function is that a spool position relief valve 13 is led wherein
Logical, oil inlet to the oil outlet of another spool position relief valve 13 is cut off, and the spool switching of two-position two-way solenoid valve can be light
The state switching that pine nut is now switched on and off.
The high-pressure oil outlet 18 and low pressure oil outlet 19 in the flow rate test circuit and corresponding center-rotary joint 4 to be tested
Between be provided with quick coupling 14, may be implemented by quick coupling 14 by flow rate test circuit and central center-rotary joint
4 quick connection, avoids cumbersome assembly and disassembly, alleviates the labor intensity of operator and improves the working efficiency of operator.
The flowmeter 11 and second switching port are connected to by air cooler 15 with the fuel tank 6, and oil liquid circulation is air-cooled
Device 15 can be radiated in time by air cooler 15 to hydraulic oil therein is flowed through, since there is counterbalance valve 9 certain current limliting to make
With throttling meeting, by the timely heat dissipation of air cooler 15, can overheat, so that hydraulic so that the heating of hydraulic speed oil to avoid fuel tank 6
System has the ability of test for a long time.
The inlet pressure detection device 8 and the outlet pressure detection device 12 are pressure sensor or pressure gauge,
Pressure sensor or pressure gauge are conventional pressure checking devices, can with speed measure pressure value, are read convenient for operator
It takes.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, not to the schematic representation of the term
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (6)
1. a kind of center-rotary joint test hydraulic system, including the hydraulic pump (1) being arranged on fuel tank (6), feature exists
In: the hydraulic system includes high-pressure oil passage and low pressure oil way；The high-pressure oil passage includes control high-pressure oil passage on-off first
Switch valve (2), one end of the first switch valve (2) are connected to the oil outlet of the hydraulic pump (1), and the other end is connected in be tested
Entreat the high pressure oil inlet (16) of swivel joint (4)；The low pressure oil way includes the of pressure reducing valve (5) and control low pressure oil way on-off
The oil inlet of two switch valves (3), the pressure reducing valve (5) is connected to the oil outlet of the hydraulic pump (1), the second switch valve
(3) one end is connected to the oil outlet of the pressure reducing valve (5), the low pressure oil inlet of the other end and center-rotary joint to be tested (4)
(17) it is connected to, the oil outlet of the hydraulic pump (1) is provided with the pressure regulator valve (7) of connection fuel tank (6)；In center revolution to be tested
Inlet pressure detection device (8) are respectively arranged at the high pressure oil inlet (16) and low pressure oil inlet (17) of connector (4).
2. a kind of center-rotary joint test hydraulic system as described in claim 1, it is characterised in that: the hydraulic system
It further include flow rate test circuit, the flow rate test circuit includes counterbalance valve (9), switching valve (10) and flowmeter (11), described
The oil inlet of counterbalance valve (9) is connected to the high-pressure oil outlet (18) of center-rotary joint to be tested (4) or low pressure oil outlet (19)；
The oil outlet of the counterbalance valve (9) is connected to the oil inlet of switching valve (10), the switching valve (10) be equipped with the first switching port and
Second switching port, the flowmeter (11) are arranged on first switching port and are connected to fuel tank (6), second switching port
It is connected to the fuel tank (6)；Divide equally at the high-pressure oil outlet (18) and low pressure oil outlet (19) of center-rotary joint (4) to be tested
It is not provided with outlet pressure detection device (12).
3. a kind of center-rotary joint test hydraulic system as described in claim 1, it is characterised in that: the first switch
Relief valve (13) is provided at the oil inlet of valve (2) and the second switch valve (3), the oil inlet of the relief valve (13) connects
Lead at the oil inlet of the first switch valve (2) or second switch valve (3), the oil outlet and fuel tank of the relief valve (13)
(6) it is connected to, on or off state can be switched in the relief valve (13).
4. a kind of center-rotary joint test hydraulic system as claimed in claim 2, it is characterised in that: the flow rate test
It is provided between the high-pressure oil outlet (18) and low pressure oil outlet (19) of circuit and corresponding center-rotary joint (4) to be tested fast
Quick coupling (14).
5. a kind of center-rotary joint test hydraulic system as claimed in claim 2, it is characterised in that: the flowmeter
(11) it is connected to by air cooler (15) with the fuel tank (6) with second switching port.
6. a kind of center-rotary joint test hydraulic system as claimed in claim 2, it is characterised in that: the inlet pressure
Detection device (8) and the outlet pressure detection device (12) are pressure sensor or pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020219.2A CN109029965A (en) | 2018-09-03 | 2018-09-03 | Hydraulic system is used in a kind of test of center-rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020219.2A CN109029965A (en) | 2018-09-03 | 2018-09-03 | Hydraulic system is used in a kind of test of center-rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109029965A true CN109029965A (en) | 2018-12-18 |
Family
ID=64622870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811020219.2A Pending CN109029965A (en) | 2018-09-03 | 2018-09-03 | Hydraulic system is used in a kind of test of center-rotary joint |
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| Country | Link |
|---|---|
| CN (1) | CN109029965A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795789A (en) * | 2020-09-09 | 2020-10-20 | 中铁工程服务有限公司 | Shield constructs experimental detection device of quick-witted center solid of revolution |
| CN113926909A (en) * | 2021-10-13 | 2022-01-14 | 长虹美菱股份有限公司 | Pressure relief and pressurization system and method of punching equipment based on rapid die change |
| CN114183413A (en) * | 2021-12-14 | 2022-03-15 | 三一汽车制造有限公司 | Detection device for central swivel joint and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201034807Y (en) * | 2007-04-25 | 2008-03-12 | 上海敏泰液压件有限公司 | Test bench of vaporizing oil servo gear unit test system |
| CN203365246U (en) * | 2013-06-26 | 2013-12-25 | 湖南特力液压有限公司 | Oil pressure tolerance detecting device |
| CN103541936A (en) * | 2013-11-08 | 2014-01-29 | 徐州徐工液压件有限公司 | Test bench hydraulic system used for central swivel joint |
| CN103591085A (en) * | 2013-11-28 | 2014-02-19 | 徐州徐工液压件有限公司 | Full-hydrodynamic performance testing device for central swivel joint |
| CN103645046A (en) * | 2013-12-26 | 2014-03-19 | 徐州徐工液压件有限公司 | Method and device for detecting performance test of central rotary joint |
| CN105784348A (en) * | 2016-04-22 | 2016-07-20 | 无锡工艺职业技术学院 | Construction machinery swivel joint plant test system and operation method thereof |
| CN208902391U (en) * | 2018-09-03 | 2019-05-24 | 江苏腾旋科技股份有限公司 | Hydraulic system is used in a kind of test of center-rotary joint |
-
2018
- 2018-09-03 CN CN201811020219.2A patent/CN109029965A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034807Y (en) * | 2007-04-25 | 2008-03-12 | 上海敏泰液压件有限公司 | Test bench of vaporizing oil servo gear unit test system |
| CN203365246U (en) * | 2013-06-26 | 2013-12-25 | 湖南特力液压有限公司 | Oil pressure tolerance detecting device |
| CN103541936A (en) * | 2013-11-08 | 2014-01-29 | 徐州徐工液压件有限公司 | Test bench hydraulic system used for central swivel joint |
| CN103591085A (en) * | 2013-11-28 | 2014-02-19 | 徐州徐工液压件有限公司 | Full-hydrodynamic performance testing device for central swivel joint |
| CN103645046A (en) * | 2013-12-26 | 2014-03-19 | 徐州徐工液压件有限公司 | Method and device for detecting performance test of central rotary joint |
| CN105784348A (en) * | 2016-04-22 | 2016-07-20 | 无锡工艺职业技术学院 | Construction machinery swivel joint plant test system and operation method thereof |
| CN208902391U (en) * | 2018-09-03 | 2019-05-24 | 江苏腾旋科技股份有限公司 | Hydraulic system is used in a kind of test of center-rotary joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795789A (en) * | 2020-09-09 | 2020-10-20 | 中铁工程服务有限公司 | Shield constructs experimental detection device of quick-witted center solid of revolution |
| CN113926909A (en) * | 2021-10-13 | 2022-01-14 | 长虹美菱股份有限公司 | Pressure relief and pressurization system and method of punching equipment based on rapid die change |
| CN114183413A (en) * | 2021-12-14 | 2022-03-15 | 三一汽车制造有限公司 | Detection device for central swivel joint and vehicle |
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