CN109186879A - A kind of gearbox seal test table and its test method - Google Patents
A kind of gearbox seal test table and its test method Download PDFInfo
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- CN109186879A CN109186879A CN201810955311.1A CN201810955311A CN109186879A CN 109186879 A CN109186879 A CN 109186879A CN 201810955311 A CN201810955311 A CN 201810955311A CN 109186879 A CN109186879 A CN 109186879A
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- gearbox
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
The present invention provides a kind of gearbox seal test table and its test method, the testing stand includes test-bed floor iron, gearbox mounting base, oil circulation device, inhales function device and revolving speed acquisition device, and the method mainly includes the following steps: step 1: installing the shift-selecting and changing actuating mechanism of tested gearbox；Step 2: tested gearbox being mounted in gearbox mounting base, leak check；Step 3: acquiring air pressure change in tested gear box by air pressure acquisition devices；Step 4: discharging air pressure in tested gearbox；Step 5: the oil mass that filling gearbox requires；Step 6: tested gearbox is merged；Step 7: injection gear box oil is opened variable-frequency motor, is tested according to gearbox dynamic sealing experimental condition gearbox.The structure of gearbox seal test table is simple in the present invention, is convenient for rigging up and debugging, and the test method in the present invention can carry out the static sealing test and dynamic sealing test of gearbox easily and fast.
Description
Technical field
The present invention relates to technical field of test equipment, and in particular to a kind of gearbox seal test table and its test method.
Background technique
Gearbox is component part important in automobile mechanical transmission system, and mechanical mechanism is complicated, and test and detection are them
Important is exploitation and verifying link, mainly includes transmission efficiency to the test of gearbox in current existing national standard, noise vibration is moved
State sealing, quiet torsion intensity, fatigue life, the test such as temperature rise.Wherein dynamic sealing, which is tested only for the oil sealing under high speed rotation, is
No permeability is verified, and the gearbox verifying comprising shift-selecting and changing actuating mechanism gradually developed on existing market is had ignored.
For example, application No. is 201410027079.7 Chinese invention patents to disclose full working scope mechanical seal detection test
Device is made of transmission device, mechanical seal chamber simulator, liquid storage tank system device and electric control gear, and transmission device is by electricity
The gearbox (b) that machine (a) drives is constituted, it is characterized in that:
Liquid storage tank system device is made of two temperature-control pressure-control liquid storage tank devices, and temperature-control pressure-control liquid storage tank device includes tank body
(401), the outlet tube mouth (411) in the middle part of tank body (401) on side, the benefit being provided in tank body (401) upper side are provided with
Liquid pipe mouth (412), the import/exhaust nozzle (413) for being provided with tank body (401) upper end, the inlet tube for being provided with tank body (401) bottom end
Mouth (414) is equipped with contact electric heater (402) on the lateral surface of tank body (401) middle and lower part, outlet tube mouth (411) passes through pipe
The entrance of road (411 ') connection circulating pump (407), the outlet end of circulating pump (407) are connected with circulation line (474), heat-exchange tube
(471) three road (475), output pipe pipelines, circulation line (474) is in parallel with heat exchange pipe (475), and in circulation line
(474), heat exchange pipe (475), output pipe are respectively equipped with electrically-controlled valve on (471)) QV4, QV5, QV1), heat exchange pipe
(475) series connection is equipped with cooling heat exchanger (406) on, is connected between circulation line (474) and tank bottom circulation loop (403), and
It is equipped with electrically-controlled valve (QV3) on circulation loop (403), output pipe (471) and its electrically-controlled valve (QV1) control the intracorporal medium of tank
Externally output connects inlet pipe (404) on the feed liquor nozzle (414) of tank body (401) bottom end, and in the inlet pipe
(404) it is equipped with electrically-controlled valve (QV2), is parallel with air inlet pipeline on the import/exhaust nozzle (413) of tank body (401) upper end
(413a) and outlet pipe (413b), and electrically-controlled valve is respectively equipped on air inlet pipeline (413a) and outlet pipe (413b)
(QV6, QV7), control high pressure gas enters in tank body discharge gas when carrying out superpressure in pressurization and tank and is depressurized respectively, in tank
Installation is equipped with pressure transmitter (408) and temperature transmitter (409) at the top of body (401)；Two temperature-control pressure-control liquid storage tank device tanks
Output pipe (471) and inlet pipe (404) on body (401) carry out parallel connection respectively.
I.e. there are the technical problems of apparatus structure complexity for the prior art as above.
In view of this, the present invention proposes a kind of gearbox seal test table and its test method.
Summary of the invention
The present invention provides a kind of gearbox seal test table and its test method, gearbox seal test table in the present invention
Structure is simple, is convenient for rigging up and debugging, and the test method in the present invention can carry out the static close of gearbox easily and fast
Testing sealing and dynamic sealing test.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of gearbox seal test table, including test-bed floor iron, gearbox mounting base, oil circulation device, suction
Function device and revolving speed acquisition device；What the gearbox mounting base for placing tested gearbox can be dismantled is fixed at test
In rack floor iron, inhales function device and be connected by splined shaft with the input shaft of tested gearbox, revolving speed acquisition device passes through first
The output axis connection of Hooks coupling universal coupling and tested gearbox, oil circulation device are connected to tested gearbox, wherein oil circulation
Device is additionally provided with oil circulation Setup Controller.
Further, revolving speed acquisition device is connected to the output end of variable-frequency motor by the second Hooks coupling universal coupling, wherein becomes
Frequency motor is also connected with variable frequency motor controller.
Further, the output circuit pipeline opening of oil circulation device is connected to tested gearbox by temperature-controlled cabinet
Oil spilling mouth, the input oil-way pipe road junction of oil circulation device are connected to the fuel outlet of tested gearbox, wherein temperature-controlled cabinet is logical
The oil spilling mouth that the first triple valve is connected to tested gearbox is crossed, the input oil-way pipe road junction of oil circulation device passes through the second threeway
Valve is connected to the fuel outlet of tested gearbox.
Further, the second triple valve is also communicated with waste oil collecting case, is also connected with temperature sensor at fuel outlet, is used for
Tested speed change the temperature inside the box is monitored, and temperature acquisition data is transferred to host computer.
Further, air pressure acquisition devices are installed in tested gearbox and are connected to host computer, for monitoring gearbox
Air pressure inside.
Further, airline pressure control device is also connected on the first triple valve, airline pressure control device uses gas
Adjuster is pressed, the regulation to air pressure in gearbox is realized by barostat.
Further, variable frequency motor controller, temperature-controlled cabinet, oil circulation Setup Controller, revolving speed acquisition device, pressure
Force acquisition device, airline pressure control device by with jamproof twisted pair line connection in host computer.
Further, oil filtrating case is also connected between oil circulation device and the second triple valve.
The present invention also provides a kind of experimental methods of gearbox seal test table, include the following steps:
Step 1: the shift-selecting and changing actuating mechanism of tested gearbox, and the installation air pressure acquisition dress in tested gearbox are installed
It sets；
Step 2: tested gearbox being mounted in gearbox mounting base, the piping connection on tested gearbox, inspection are completed
Look into the leakproofness of oil circuit and gas circuit；
Step 3: closing the second triple valve, the first triple valve is allocated to airline pressure control device, carry out tested gearbox
Static airtight detection test acquires air pressure change in tested gear box by air pressure acquisition devices, and acquisition data is protected
It deposits to host computer；
Step 4: closing route controller, open the second triple valve, discharge air pressure in tested gearbox；
Step 5: closing the second triple valve, the first triple valve is connected to oil circulation device, by oil circulation device and become
Fast case oil spilling mouth connection, injects gear box oil, and the oil mass that filling gearbox requires closes the first triple valve after the completion；
Step 6: variable-frequency motor to be opened, tested gearbox is merged, adjustment is completed, the first triple valve gas circuit is opened,
Second triple valve is connected to waste oil collecting case, carries out waste oil discharge using air pressure；
Step 7: injection gear box oil, open variable-frequency motor, according to gearbox dynamic sealing experimental condition to gearbox into
Row test, and pass through air pressure change in oil temperature during temperature sensor and pressure acquisition device acquisition test and gearbox.
It further, further include checking whether tested gearbox and shift-selecting and changing actuating mechanism have permeability phenomenon in step 7
Step.
Compared with prior art, superior effect of the invention is:
1, gearbox seal test table of the present invention, by the way of a tractor serves several purposes, this test-bed can simultaneously into
The test of row static sealing and dynamic sealing test, on the basis of original national standard, moreover it is possible to high temperature and pressure is carried out, high temperature pressure impacts,
Normal temperature high voltage, Pressure of Ambient Temperature impact, cryogenic high pressure, low-temperature pressure impact and temperature cycles, the test of air pressure circulation impact meet
The airtight operational monitoring and test of gearbox and its shift-selecting and changing actuating mechanism at temperature and the various environmental changes of air pressure, provide change
Data are analyzed in the seal failure of fast case and its shift-selecting and changing actuating mechanism, and for research and development technology, personnel provide verifying.
2, gearbox seal test table of the present invention, structure is simple, is skillfully constructed, simple with operation and maintenance,
Advantage easy to detect.
3, the experimental method of gearbox seal test table of the present invention, according to gearbox national standard correlation test content,
Corresponding test-bed and equipment are incorporated, and test data visualization is exported, is convenient for Optimum Experiment personnel related work, greatly
It improves work efficiency greatly.
Detailed description of the invention
Fig. 1 is the structure chart of gearbox seal test table in the embodiment of the present invention 1；
Fig. 2 is the flow chart of the experimental method of gearbox seal test table in the embodiment of the present invention 1.
Wherein appended drawing reference is as follows:
1- test-bed floor iron, 2- gearbox mounting base, 3- oil circulation device, 31- temperature-controlled cabinet, 32- first
Triple valve, 321- airline pressure control device, the second triple valve of 33-, 34- waste oil collecting case, 35- temperature sensor, 36- oil liquid
Rose Box, 4- inhale the tested change of function device, 5- revolving speed acquisition device, 6- variable-frequency motor, 7- air pressure acquisition devices, 8- host computer, 9-
Fast case, 91- shift-selecting and changing actuating mechanism.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail, it should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Embodiment
As shown in Fig. 1, a kind of gearbox seal test table, including test-bed floor iron 1, gearbox mounting base 2, oil
Road circulator 3 inhales function device 4 and revolving speed acquisition device 5；Gearbox mounting base 2 for placing tested gearbox 9 can be torn open
That unloads is fixed in test-bed floor iron 1, inhales function device 4 and is connected by splined shaft with the input shaft of tested gearbox 9,
Revolving speed acquisition device 5 passes through the output axis connection of the first Hooks coupling universal coupling (not shown) and tested gearbox 9, oil circulation dress
It sets 3 and is connected to tested gearbox 9, wherein oil circulation device 3 is additionally provided with oil circulation Setup Controller.
In the present embodiment, oil circulation Setup Controller is control pump.
Revolving speed acquisition device 5 is connected to the output end of variable-frequency motor 6 by the second Hooks coupling universal coupling, wherein variable-frequency motor 6
It is also connected with variable frequency motor controller (not shown).
In the present embodiment, revolving speed acquisition device 5 uses speed probe.
The output circuit pipeline opening of oil circulation device 3 is connected to the oil spilling of tested gearbox 9 by temperature-controlled cabinet 31
Mouthful, the input oil-way pipe road junction of oil circulation device 3 is connected to the fuel outlet of tested gearbox 9, wherein temperature-controlled cabinet 31 is logical
The oil spilling mouth that the first triple valve 32 is connected to tested gearbox 9 is crossed, the input oil-way pipe road junction of oil circulation device 3 passes through second
Triple valve 33 is connected to the fuel outlet of tested gearbox 9.
Second triple valve 33 is also communicated with waste oil collecting case 34, temperature sensor 35 is also connected at fuel outlet, for supervising
Temperature in tested gearbox 9 is surveyed, and temperature acquisition data is transferred to host computer 8.
Gearbox seal test table further includes air pressure acquisition devices 7, and air pressure acquisition devices 7 are installed in tested gearbox 9
And it is connected to host computer 8, for monitoring tested 9 air pressure inside of gearbox, in the present embodiment, air pressure acquisition devices 7 are using pressure
The acquisition of force snesor progress air pressure.
Airline pressure control device 321 is also connected on first triple valve 32, airline pressure control device 321 uses air pressure
Adjuster realizes the regulation to air pressure in tested gearbox 9 so that being filled with the compressed gas of tested gearbox 9 by barostat
Pressure reaches test requirements document, and continues to keep wanting seeking time, and barostat is changed to by another improve as the present embodiment
Air compressor.
Variable frequency motor controller, temperature-controlled cabinet 31, oil circulation Setup Controller, revolving speed acquisition device 5, air pressure acquisition
Device, airline pressure control device 321 are by the way that with jamproof twisted pair line connection, in host computer 8, host computer 8 is according to telecommunications
Number it is converted into corresponding pressure value, and calculates on-test to pressure difference value is terminated, judgement is provided to test result.
Oil filtrating case 36 is also connected between oil circulation device 3 and the second triple valve 33.
As shown in Fig. 2, the experimental method of the gearbox seal test table includes the following steps:
Step 1: the shift-selecting and changing actuating mechanism 91 of tested gearbox 9 being installed, and air pressure acquisition is installed in tested gearbox 9
Device 7；
Step 2: tested gearbox 9 is mounted in gearbox mounting base 2, the piping connection on tested gearbox 9 is completed,
Check the leakproofness of oil circuit and gas circuit；
Step 3: closing the second triple valve 33, the first triple valve 32 is allocated to airline pressure control device 321, is tested
The static airtight detection test of gearbox, acquires air pressure change in tested 9 cabinet of gearbox by air pressure acquisition devices 7, and will adopt
Collection data are saved to host computer 8, and host computer 8 judges test result；
Step 4: closing route controller 321, open the second triple valve 33, discharge air pressure in tested gearbox 9；
Step 5: closing the second triple valve 33, the first triple valve 32 is connected to oil circulation device 3, by oil circulation device
3 are connected to tested 9 oil spilling mouth of gearbox, inject gear box oil, and the oil mass that filling gearbox requires closes the one or three after the completion
Port valve 32；
Step 6: opening variable-frequency motor 6, tested gearbox 9 is merged, adjustment is completed, and 32 gas of the first triple valve is opened
Road, the second triple valve 33 are connected to waste oil collecting case 34, carry out waste oil discharge using air pressure；
Step 7: injection gear box oil opens variable-frequency motor 6, according to gearbox dynamic sealing experimental condition to tested speed change
Case 9 is tested, and passes through oil temperature and tested gearbox 9 during temperature sensor 35 and the acquisition test of air pressure acquisition devices 7
Interior air pressure change.
Further include the steps that checking whether tested gearbox 9 and shift-selecting and changing actuating mechanism 91 have permeability phenomenon in step 7.
The present invention is not limited to the above embodiments, and the above embodiments and description only describe of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is defined by the following claims.
Claims (10)
1. a kind of gearbox seal test table, which is characterized in that followed including test-bed floor iron, gearbox mounting base, oil circuit
Loop device inhales function device and revolving speed acquisition device；The fixation that gearbox mounting base for placing tested gearbox can be dismantled
It is arranged in test-bed floor iron, inhales function device and be connected by splined shaft with the input shaft of tested gearbox, revolving speed acquisition dress
The output axis connection by the first Hooks coupling universal coupling and tested gearbox is set, oil circulation device is connected to tested gearbox,
In, oil circulation device is additionally provided with oil circulation Setup Controller.
2. gearbox seal test table according to claim 1, which is characterized in that revolving speed acquisition device is universal by second
Shaft coupling is connected to the output end of variable-frequency motor, wherein variable-frequency motor is also connected with variable frequency motor controller.
3. gearbox seal test table according to claim 2, which is characterized in that the output circuit pipe of oil circulation device
Road junction is connected to the oil spilling mouth of tested gearbox by temperature-controlled cabinet, and the input oil-way pipe road junction of oil circulation device is connected to
The fuel outlet of tested gearbox, wherein temperature-controlled cabinet is connected to the oil spilling mouth of tested gearbox, oil circuit by the first triple valve
The input oil-way pipe road junction of circulator is connected to the fuel outlet of tested gearbox by the second triple valve.
4. gearbox seal test table according to claim 3, which is characterized in that the second triple valve is also communicated with waste oil receipts
Header is also connected with temperature sensor at fuel outlet.
5. gearbox seal test table according to claim 4, which is characterized in that air pressure acquisition devices are installed in tested change
In fast case and it is connected to host computer.
6. gearbox seal test table according to claim 5, which is characterized in that be also connected with gas circuit on the first triple valve
Pressure control device, airline pressure control device use barostat.
7. gearbox seal test table according to claim 6, which is characterized in that variable frequency motor controller, temperature control
Case, oil circulation Setup Controller, revolving speed acquisition device, pressure acquisition device, airline pressure control device are anti-by having
The twisted pair line connection of interference is in host computer.
8. gearbox seal test table according to claim 6, which is characterized in that oil circulation device and the second triple valve
Between be also connected with oil filtrating case.
9. a kind of experimental method of gearbox seal test table, characterized by the following steps:
Step 1: the shift-selecting and changing actuating mechanism of tested gearbox being installed, and air pressure acquisition devices are installed in tested gearbox；
Step 2: tested gearbox being mounted in gearbox mounting base, the piping connection on tested gearbox is completed, checks oil
The leakproofness of road and gas circuit；
Step 3: closing the second triple valve, the first triple valve is allocated to airline pressure control device, it is static to carry out tested gearbox
Airtight detection test acquires air pressure change in tested gear box by air pressure acquisition devices, and will acquisition data save to
Host computer；
Step 4: closing route controller, open the second triple valve, discharge air pressure in tested gearbox；
Step 5: closing the second triple valve, the first triple valve is connected to oil circulation device, by oil circulation device and gearbox
The connection of oil spilling mouth, injects gear box oil, and the oil mass that filling gearbox requires closes the first triple valve after the completion；
Step 6: variable-frequency motor to be opened, tested gearbox is merged, adjustment is completed, the first triple valve gas circuit of unlatching, and second
Triple valve is connected to waste oil collecting case, carries out waste oil discharge using air pressure；
Step 7: injection gear box oil is opened variable-frequency motor, is tried according to gearbox dynamic sealing experimental condition gearbox
It tests, and passes through air pressure change in oil temperature during temperature sensor and pressure acquisition device acquisition test and gearbox.
10. the experimental method of gearbox seal test table according to claim 9, which is characterized in that further include in step 7
Check whether tested gearbox and shift-selecting and changing actuating mechanism have the step of permeability phenomenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955311.1A CN109186879A (en) | 2018-08-21 | 2018-08-21 | A kind of gearbox seal test table and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955311.1A CN109186879A (en) | 2018-08-21 | 2018-08-21 | A kind of gearbox seal test table and its test method |
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| Publication Number | Publication Date |
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| CN109186879A true CN109186879A (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810955311.1A Pending CN109186879A (en) | 2018-08-21 | 2018-08-21 | A kind of gearbox seal test table and its test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114441113A (en) * | 2022-01-20 | 2022-05-06 | 山东省农业机械科学研究院 | Air-suction seed sowing device air tightness detection system and method |
| CN114459744A (en) * | 2022-01-27 | 2022-05-10 | 成都九系机器人科技有限公司 | High-speed and long-time running-in test device suitable for dynamic seal |
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Application publication date: 20190111 |