CN108332959A - A kind of high/low temperature sealing test experimental bench - Google Patents
A kind of high/low temperature sealing test experimental bench Download PDFInfo
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- CN108332959A CN108332959A CN201810075495.2A CN201810075495A CN108332959A CN 108332959 A CN108332959 A CN 108332959A CN 201810075495 A CN201810075495 A CN 201810075495A CN 108332959 A CN108332959 A CN 108332959A
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- test
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- sealing
- low temperature
- test cylinder
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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
- G01M13/005—Sealing rings
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to sealing element test equipment fields, more particularly to a kind of high/low temperature sealing test experimental bench, including workbench and it is installed on the test cylinder and driving device of workbench, the output end of driving device is connected with test cylinder by connecting rod, sealing geosynclinal block for installing sealing ring to be measured is installed in the test cylinder, the test experimental bed further includes the controlled temperature cabinet for being installed on workbench and being used to adjust test temperature, and test cylinder is set in controlled temperature cabinet.The present invention can test all kinds of reciprocating seal rings, detect its sealing performance, sealing life, tribological property and sealing reliability etc., test cylinder, for installing sealing ring, when testing different sealing rings, can be sealed geosynclinal block by replacement and realized by seal mounting groove block, nothing needs to change test cylinder, cost input is reduced, and tests cylinder and is mounted in controlled temperature cabinet, properties of the sealing ring under the working environment of different temperatures can be simulated, convenient and efficient, test result is more reliable.
Description
Technical field
The present invention relates to sealing element test equipment field more particularly to a kind of high/low temperature sealing test experimental benches.
Background technology
Sealing ring is the critical component in hydraulic system sealing mechanism, it is mainly used to prevent hydraulic oil in hydraulic system
Leak and ensure giving full play to for hydraulic system power.The reduced performance of sealing ring or failure are not only the paralysis of sealing system
Paralysis, in hydraulic system the failure of sealing ring can lead to the pressure reduction of hydraulic system and influence power output or torque, hydraulic oil
Leakage can also cause resource waste and pollution environment.
Relatively effective method is currently widely used to the detection of sealing ring performance by platform experiment.But mesh
The main still room temperature experimental bench of preceding reciprocation sealing experimental stand, does not have temperature simulation function, especially low temperature analog functuion,
The simulation of varying environment temperature is cannot achieve, while the test cylinder of existing experimental bench is only used for a kind of test of sealing ring, when
It needs just to need replacing test cylinder when testing different sealing circle, process is cumbersome, less efficient.
Invention content
It can realize that sealing ring is tested under different temperatures environment the object of the present invention is to provide a kind of, while simplify not
The step of being tested with sealing ring improves the high/low temperature sealing test experimental bench of testing efficiency.
To achieve the goals above, the present invention provides a kind of high/low temperature sealing test experimental bench, including workbench and peace
Test cylinder loaded on workbench and driving device, the driving device connect the test cylinder by connecting rod, in the test cylinder
Sealing geosynclinal block for installing sealing ring to be measured is installed, the experimental bench further includes being installed on workbench and being surveyed for adjusting
The controlled temperature cabinet of temperature is tried, the test cylinder is set in the controlled temperature cabinet.
Being further improved as, the driving device for the technical program is dual-rod hydraulic cylinder, the two of the dual-rod hydraulic cylinder
Output end is respectively connected with the test cylinder.
The technical program is further improved as the workbench includes fixed station and mobile station, the driving device peace
Loaded on fixed station, the test cylinder includes the first test cylinder and the second test cylinder, and the first test cylinder and second test cylinder peace
Loaded on the fixed station, the controlled temperature cabinet is installed on the mobile station, and the controlled temperature cabinet coordinates first by the way that mobile station is removable
It tests cylinder and carries out thermocycling.
The technical program is further improved as the bottom of the mobile station is equipped with universal wheel.
Being further improved for the technical program is equipped with sealed door for, side of the controlled temperature cabinet towards the driving device,
The sealed door offers the connecting hole passed through for the connecting rod, and sealing element is equipped in the connecting hole.
The technical program is further improved as the test cylinder is removably mounted to the workbench, institute by screw
It is piston cylinder or plunger case to state test cylinder.
The technical program is further improved as the dual-rod hydraulic cylinder and test cylinder are connected separately with fueller.
The technical program is further improved as the test cylinder is equipped in the temperature for measuring test cylinder interior test temperature
Sensor and the pressure sensor for detecting test cylinder interior pressure are spent, the connecting rod and the junction of test cylinder are equipped with use
In the pull pressure sensor for measuring test cylinder sealing ring frictional force, the connecting rod is equipped with and is being tested for measuring the connecting rod
The displacement sensing apparatus of displacement in the process.
The technical program is further improved as the test cylinder is also associated with to be let out for detecting fluid in its test process
Leak the leakage amount measuring device for electricity of situation.
The technical program is further improved as the sealing geosynclinal block in axial direction offers several for pacifying successively
Fill the mounting groove of sealing ring to be measured.
The present invention has following technology technique effect：
The present invention can test all kinds of reciprocating seal rings, detect its sealing performance, sealing life, tribological property
And sealing reliability etc., test cylinder, for installing sealing ring, when testing different sealing rings, can be led to by seal mounting groove block
It crosses replacement sealing geosynclinal block to realize, without test cylinder is needed to change, reduces cost input, and test cylinder and may be provided in controlled temperature cabinet, it can mould
Quasi- properties of the sealing ring under the working environment of different temperatures, convenient and efficient, test result is more reliable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention；
Fig. 2 is the mounting structure schematic diagram that cylinder and seal groove are tested in the preferred embodiment of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in Figure 1, Figure 2, a kind of high/low temperature sealing test experimental bench of the preferred embodiment of the present invention, including workbench
And it is installed on the test cylinder and driving device 10 of workbench, the output end of driving device 10 passes through 31 connecting test of connecting rod
Cylinder is equipped with the sealing geosynclinal block 4 for installing sealing ring to be measured in the test cylinder, and test experimental bed further includes being installed on workbench
Controlled temperature cabinet 5 upper and for adjusting test temperature, test cylinder are set in controlled temperature cabinet 5.The present invention can be to all kinds of reciprocation sealings
Circle is tested, its sealing performance, sealing life, tribological property and sealing reliability etc. are detected, and test cylinder is close by installing
Sealing groove block 4 is used to install sealing ring, when testing different sealing rings, can seal geosynclinal block 4 by replacement and realize, nothing needs to change survey
Try cylinder, reduce cost input, and test cylinder may be provided in controlled temperature cabinet 5, can simulate sealing ring different temperatures working environment
Under properties, convenient and efficient, test result is more reliable.
As shown in Figure 1, in the present embodiment, driving device 10 is dual-rod hydraulic cylinder, two output ends of dual-rod hydraulic cylinder are equal
It is connected with test cylinder, two groups of test cylinders can be connected by the double output ends of dual-rod hydraulic cylinder, realize while measuring two groups of sealing rings,
The efficiency of test is improved, energy consumption and testing cost are reduced.
In the present embodiment, workbench includes fixed station 11 and mobile station 12, and driving device 10 is installed on fixed station 11, is surveyed
It includes that the first test cylinder 21 and second tests cylinder 22 to try cylinder, and the first test cylinder 21 and second tests cylinder 22 and is installed on fixed station 11,
Controlled temperature cabinet 5 is installed on mobile station 12, and controlled temperature cabinet 5 is carried out high/low temperature by removable the first test of the cooperation cylinder 21 of mobile station 12 and tried
It tests, adapts to more test cases.
Further, the bottom of mobile station 12 is equipped with universal wheel 121, is moved easily mobile station 12, and simple in structure, system
It makes conveniently.
Further, side of the controlled temperature cabinet 5 towards driving device 10 is equipped with sealed door 51, which offers for even
The connecting hole that extension bar 31 passes through, connecting hole is interior to be equipped with sealing element, so that the first test cylinder 21 is tested in closed environment, subtracts
Few influence of the external environment to test, improves the degree of reliability of test, meanwhile, heat exchange in controlled temperature cabinet 5 and extraneous is reduced, is made
Its temperature adjustment function is more accurate, further increases testing reliability.
In the present embodiment, test cylinder is removably mounted to workbench by screw, it is to be understood that is conveniently replaceable not
The test cylinder of same specification is tested, and using more convenient, can select test cylinder accordingly according to the environment that sealing ring works
For piston cylinder or plunger case, make the test environment of sealing ring and the environment being applied in production closer to.
Dual-rod hydraulic cylinder and test cylinder are connected separately with fueller, and the fluid in test cylinder and dual-rod hydraulic cylinder is made to follow
Ring reduces dual-rod hydraulic cylinder and tests the temperature in cylinder in oil pocket, meanwhile, the fluid of fueller, which facilitates, to be replaced, and is realized
Sealing ring can be tested for the property in different hydraulic pressure oil environments, further enhance the reliability of sealing ring test.
In the present embodiment, test cylinder is equipped in the temperature sensor 8 for measuring test cylinder interior test temperature and for examining
The junction of the pressure sensor 9 of test cylinder interior pressure, connecting rod 31 and test cylinder is equipped with for measuring test cylinder sealing
The pull pressure sensor 6 of frictional force is enclosed, connecting rod 31 is equipped with the displacement for measuring 31 displacement of connecting rod described in experiment process
Sensing device 7, it is to be understood that measured by pull pressure sensor 6, displacement sensing apparatus 7, temperature sensor 8 close
Residing for frictional force suffered by seal during the test, the pressure in test cylinder, 31 displacement of connecting rod and sealing ring
Environment temperature etc. carries out quantization sealing ring various parameter values during the test, further increases it and tests levels of precision and can
By degree.
Test cylinder is also associated with the leakage amount measuring device for electricity for detecting oil liquid leakage situation in its test process, prevents oil
Liquid leakage contribution measure as a result, also reflecting sealing ring simultaneously also by leakage amount measuring device for electricity divides sealing effect.
As shown in Fig. 2, sealing geosynclinal block 4 in axial direction offers several installations for installing sealing ring to be measured successively
Slot 41, it is to be understood that can install sealing ring several by mounting groove 41 is carried out at the same time test, in the present embodiment, if
The mounting groove 41 for having set multiple and different specifications carries out installation sealing ring, can be carried out at the same time the sealing ring for measuring plurality of specifications, test
It is more efficient.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of high/low temperature sealing test experimental bench, including workbench and the test cylinder and driving device that are installed on workbench
(10), which is characterized in that the output end of the driving device (10) connects the test cylinder, the test cylinder by connecting rod (31)
Sealing geosynclinal block (4) for installing sealing ring to be measured is inside installed, the test experimental bed further include be installed on workbench and
Controlled temperature cabinet (5) for adjusting test temperature, the test cylinder are set in the controlled temperature cabinet (5).
2. high/low temperature sealing test experimental bench according to claim 1, which is characterized in that the driving device (10) is double
Two output ends of bar hydraulic cylinder, the dual-rod hydraulic cylinder are respectively connected with the test cylinder.
3. high/low temperature sealing test experimental bench according to claim 2, which is characterized in that the workbench includes fixed station
(11) and mobile station (12), the driving device (10) are installed on fixed station (11), and the test cylinder includes the first test cylinder
(21) and the second test cylinder (22), the first test cylinder (21) and the second test cylinder (22) are installed on the fixed station (11),
The controlled temperature cabinet (5) is installed on the mobile station (12), and the controlled temperature cabinet (5) passes through removable the first survey of cooperation of mobile station (12)
It tries cylinder (21) and carries out thermocycling.
4. high/low temperature sealing test experimental bench according to claim 3, which is characterized in that the bottom of the mobile station (12)
Universal wheel (121) is installed.
5. high/low temperature sealing test experimental bench according to claim 1, which is characterized in that the controlled temperature cabinet (5) is towards institute
The side for stating driving device (10) is equipped with sealed door (51), which offers the company passed through for the connecting rod (31)
Hole is connect, sealing element is equipped in the connecting hole.
6. high/low temperature sealing test experimental bench according to claim 1, which is characterized in that the test cylinder can by screw
Dismounting is installed on the workbench, and the test cylinder is piston cylinder or plunger case.
7. high/low temperature sealing test experimental bench according to claim 1, which is characterized in that the dual-rod hydraulic cylinder (3) and
Test cylinder is connected separately with fueller.
8. high/low temperature sealing test experimental bench according to claim 1, which is characterized in that the test cylinder is equipped in survey
Measure the temperature sensor (8) of examination cylinder interior test temperature and the pressure sensor (9) for detecting test cylinder interior pressure, institute
It states connecting rod (31) and is equipped with the junction for testing cylinder for measuring the pull pressure sensor (6) for testing cylinder sealing ring frictional force,
The connecting rod (31) is equipped with the displacement sensing apparatus for measuring the displacement of the connecting rod (31) during the test
(7)。
9. high/low temperature sealing test experimental bench according to claim 1, which is characterized in that the test cylinder is also associated with use
In the leakage amount measuring device for electricity for detecting oil liquid leakage situation in its test process.
10. high/low temperature sealing test experimental bench according to claim 1, which is characterized in that the sealing geosynclinal block (4) is along axis
Offer several mounting grooves (41) for installing sealing ring to be measured successively to direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810075495.2A CN108332959A (en) | 2018-01-26 | 2018-01-26 | A kind of high/low temperature sealing test experimental bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810075495.2A CN108332959A (en) | 2018-01-26 | 2018-01-26 | A kind of high/low temperature sealing test experimental bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108332959A true CN108332959A (en) | 2018-07-27 |
Family
ID=62926030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810075495.2A Pending CN108332959A (en) | 2018-01-26 | 2018-01-26 | A kind of high/low temperature sealing test experimental bench |
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| Country | Link |
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| CN (1) | CN108332959A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341981A (en) * | 2018-11-19 | 2019-02-15 | 中国电力科学研究院有限公司 | Sealability test device for liquid medium sealing circle |
| CN110514357B (en) * | 2019-08-12 | 2020-06-16 | 大连理工大学 | Ultralow temperature medium dynamic seal test device |
| CN112444352A (en) * | 2020-11-10 | 2021-03-05 | 北京动力机械研究所 | Airtight and frictional force joint test device of high temperature dynamic seal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645401A (en) * | 2011-11-15 | 2012-08-22 | 中国商用飞机有限责任公司 | Test device and method for measuring dynamic resistance coefficient of sealing element at different temperatures |
| CN102706551A (en) * | 2012-06-13 | 2012-10-03 | 清华大学 | Lip seal test experiment table |
| CN104535243A (en) * | 2015-01-08 | 2015-04-22 | 清华大学 | Reciprocating seal experiment table for measuring friction feature of single seal ring |
-
2018
- 2018-01-26 CN CN201810075495.2A patent/CN108332959A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645401A (en) * | 2011-11-15 | 2012-08-22 | 中国商用飞机有限责任公司 | Test device and method for measuring dynamic resistance coefficient of sealing element at different temperatures |
| CN102706551A (en) * | 2012-06-13 | 2012-10-03 | 清华大学 | Lip seal test experiment table |
| CN104535243A (en) * | 2015-01-08 | 2015-04-22 | 清华大学 | Reciprocating seal experiment table for measuring friction feature of single seal ring |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341981A (en) * | 2018-11-19 | 2019-02-15 | 中国电力科学研究院有限公司 | Sealability test device for liquid medium sealing circle |
| CN110514357B (en) * | 2019-08-12 | 2020-06-16 | 大连理工大学 | Ultralow temperature medium dynamic seal test device |
| WO2021027002A1 (en) * | 2019-08-12 | 2021-02-18 | 大连理工大学 | Ultra-low-temperature medium dynamic sealing test device |
| US11333571B2 (en) | 2019-08-12 | 2022-05-17 | Dalian University Of Technology | Dynamic seal test device for cryogenic fluid medium |
| CN112444352A (en) * | 2020-11-10 | 2021-03-05 | 北京动力机械研究所 | Airtight and frictional force joint test device of high temperature dynamic seal |
| CN112444352B (en) * | 2020-11-10 | 2022-08-09 | 北京动力机械研究所 | Airtight and frictional force combined testing device for high-temperature dynamic seal |
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Application publication date: 20180727 |
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| RJ01 | Rejection of invention patent application after publication |