CN112213098A - FZG gear box test device is gathered to multidata of adjustable meshing rigidity - Google Patents
FZG gear box test device is gathered to multidata of adjustable meshing rigidity Download PDFInfo
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- CN112213098A CN112213098A CN202010850534.9A CN202010850534A CN112213098A CN 112213098 A CN112213098 A CN 112213098A CN 202010850534 A CN202010850534 A CN 202010850534A CN 112213098 A CN112213098 A CN 112213098A
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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Abstract
The invention discloses a multidata acquisition FZG gearbox test device with adjustable meshing rigidity, which comprises a test support seat, wherein a test gearbox, a motor support plate and an accompanying test gearbox are arranged on the top of the test support seat, and a driving motor is arranged on the top of the motor support plate; the invention changes the center distance through the clearance adjusting mechanism, thereby changing the tooth side clearance, further changing the meshing rigidity of the test gear box, enabling the tooth side clearance of the gear to be under the critical compensation clearance, when the clearance works, the rigidity of the gear is not influenced by external load, and the gear can work stably because the rigidity is stable and has no mutation, thereby ensuring the accuracy of test data.
Description
Technical Field
The invention relates to the technical field of FZG gear boxes, in particular to a multi-data acquisition FZG gear box test device with adjustable meshing rigidity.
Background
The FZG gear test device can carry out a gear oil abrasion test and a lubricating oil bearing capacity test, can also carry out an FZG micro-pitting test and an FZG pitting test, can be used for measuring the influence degree of lubricating oil, lubricating temperature and other influencing factors on micro-pitting and pitting, can also distinguish oil products and assist in selecting lubricating oil with enough micro-pitting and pitting bearing capacity tests, can quickly and efficiently evaluate the micro-pitting resistance and pitting resistance of the gear oil, and an FZG gear box is an important component of the FZG gear test device;
the FZG gearbox in the existing FZG gearbox test device is inconvenient to adjust the meshing rigidity, accurate observation and analysis cannot be carried out in the experimental process, the obtained information data volume is single, the information accuracy is not enough, the data acquisition is troublesome, and the device is inconvenient to widely popularize in scientific research and application.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a multidata acquisition FZG gearbox test apparatus with adjustable meshing stiffness, which adjusts the meshing stiffness of a test gearbox through a gap adjustment mechanism, and when a gear works in a critical compensation gap, the meshing stiffness of the gear is not affected by external load changes, so that the gear moves more stably.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme: a multi-data acquisition FZG gear box test device with adjustable meshing rigidity comprises a test support seat, wherein a test gear box is arranged on one side of the top end of the test support seat, a motor support plate is arranged on one side, away from the test gear box, of the top end of the test support seat, a driving motor is arranged on the top end of the motor support plate, an accompanying gear box is arranged between the test gear box and the driving motor, the output end of the driving motor penetrates through the accompanying gear box through a transmission shaft to be connected to the test gear box, a bearing end cover matched with the transmission shaft is arranged on one side, away from the driving motor, of the test gear box, a torque sensor, a temperature sensor and a vibration sensor are mounted on the test gear box, the torque sensors are respectively arranged at the output end and the input end of the test, and a gap adjusting mechanism is arranged on the test gear box.
The further improvement lies in that: the clearance adjusting mechanism comprises a gear box lower end cover, a sliding rail is arranged on the gear box lower end cover, a bearing fixing block is connected to the sliding rail in a sliding mode, and the bearing fixing block is connected to the bearing in a sleeved mode.
The further improvement lies in that: vibration sensor and temperature sensor integration are in the test gear box, temperature sensor is equipped with six groups and is located test gear box both sides inner wall respectively, vibration sensor is equipped with eight groups and respectively with test gear box demountable installation.
The further improvement lies in that: the testing gear box side is equipped with the fluid table, the fluid table utilizes the linker principle to carry out real time monitoring to the fluid in the testing gear box.
The further improvement lies in that: and two gear shafts are arranged on the test gear box, one gear shaft is connected with the torque and rotation speed sensor, and the other gear shaft is connected with the torsion spring through the torque and rotation speed sensor.
The further improvement lies in that: all torque sensor, temperature sensor and vibration sensor and test gear box contact site all gather a bundle with external signal and do the sealing processing, the shell material of test gear box is organic glass, be equipped with the detachable observation window on the shell of test gear box.
The further improvement lies in that: the accompanying test gear box is made of cast iron, the test gear box and the accompanying test gear box are fixed on the test supporting seat through bolts, and the vibration sensor, the torque sensor and the temperature sensor are controlled by multiple channels.
The invention has the beneficial effects that: the invention comprises a test supporting seat, wherein the center distance is changed through a gap adjusting mechanism, so that the tooth side gap is changed, the meshing rigidity of a test gear box is further changed, the tooth side gap of the gear is under the critical compensation gap, the rigidity of the gear is not influenced by external load when the gap works, the gear can stably work because the rigidity is stably changed and has no mutation, and the accuracy of test data is ensured.
Drawings
FIG. 1 is an overall connection diagram of the present invention;
FIG. 2 is a schematic view of a test gearbox of the present invention;
fig. 3 is a schematic view of a gap adjustment mechanism of the present invention.
Wherein: 1. a test supporting seat; 2. testing the gear box; 3. a motor support plate; 4. a drive motor; 5. testing the gear box; 6. a drive shaft; 7. a bearing end cap; 8. a torque sensor; 9. a temperature sensor; 10. a vibration sensor; 11. a data acquisition system; 12. a computer; 13. a lower end cover of the gear box; 14. a slide rail; 15. a bearing fixing block; 16. a bearing; 17. oil liquid meter; 18. and (4) an observation window.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to the drawings of fig. 1, 2 and 3, the embodiment provides a multi-data acquisition FZG gear box testing device with adjustable meshing stiffness, which comprises a testing support seat 1, wherein a testing gear box 2 is arranged on one side of the top end of the testing support seat 1, a motor support plate 3 is arranged on one side, away from the testing gear box 2, of the top end of the testing support seat 1, a driving motor 4 is arranged on the top end of the motor support plate 3, an auxiliary testing gear box 5 is arranged between the testing gear box 2 and the driving motor 4, the output end of the driving motor 4 penetrates through the auxiliary testing gear box 5 through a transmission shaft 6 to be connected to the testing gear box 2, a bearing end cover 7 matched with the transmission shaft 6 is arranged on one side, away from the driving motor 4, of the testing gear box 2, a torque sensor 8, a temperature sensor 9 and a vibration sensor 10 are arranged on, the testing gear box 2 is electrically connected with a data acquisition system 11, the data acquisition system 11 is electrically connected with a computer 12, and the testing gear box 2 is provided with a clearance adjusting mechanism for adjusting the meshing rigidity of the testing gear box 2.
The clearance adjusting mechanism comprises a lower end cover 13 of the gear box, a slide rail 14 is arranged on the lower end cover 13 of the gear box, a bearing fixing block 15 is connected on the slide rail 14 in a sliding way, the bearing fixing block 15 is sleeved on a bearing 16, the rigidity adjusting principle of the clearance adjusting mechanism is shown in a meshing rigidity calculation formula (1), the meshing rigidity of the gear is influenced by the tooth side clearance, the adjustment of the tooth side clearance is influenced by the center distance, the tooth side clearance is changed by changing the center distance in the invention, and finally the meshing rigidity is changed,
in the formula (1), k is the stiffness, delta1And delta2Deformation of the engaging flanks, c1，c2All are backlash.
The side of the test gear box 2 is provided with an oil liquid meter 17, and the oil liquid meter 17 monitors oil liquid in the test gear box 2 in real time by utilizing a communicating vessel principle.
And two gear shafts are arranged on the test gear box 2, one gear shaft is connected with the torque and rotation speed sensor, and the other gear shaft is connected with the torsion spring through the torque and rotation speed sensor.
All torque sensor 8, temperature sensor 9 and vibration sensor 10 all gather the bundle with external signal with test gear box 2 box contact site and do the sealing processing, test gear box 2's shell material is organic glass, be equipped with detachable observation window 18 on test gear box 2's the casing, calculate test gear box 2's transmission efficiency through torque sensor 8.
Accompany examination gear box 5 is cast iron material, test gear box 2 all is fixed in experimental supporting seat 1 through the bolt with accompany examination gear box 5 on, vibration sensor 10, torque sensor 8 and temperature sensor 9 all adopt multichannel control.
When the FZG gearbox test device is used, firstly, the oil quantity of lubricating oil in the test gearbox 2 is checked through the oil liquid meter 17, after the requirement is met, the control system is started through the computer 12, before the test is started, the content of test data is preset, if the whole data needs to be measured, all sensor signals need to be connected with the data acquisition system 11, all data can be acquired, if single data needs to be acquired, a corresponding sensor wire is connected, after the test data system is connected, a control switch is turned on, after the operation is stable, a switch of the data acquisition system 11 is turned on and the test is carried out, the center distance is changed through the gap adjusting mechanism in the test process, the first adjustment is the bearing fixation, the adjustment between the bearing 15 and a box body of the test gearbox 2, the second adjustment is the adjustment between the bearing 16 and the bearing fixing block 15, and the bolt adjustment is adopted due to the precision of the adjustment, and taking the rotation angle of the bolt as the calculated amount of the movement displacement.
The FZG gear box test device capable of adjusting the meshing stiffness comprises a test supporting seat 1, the center distance is changed through a gap adjusting mechanism, the tooth side gap is changed, the meshing stiffness of a test gear box 2 is changed, the tooth side gap of the gear is enabled to be under a critical compensation gap, when the gap works, the stiffness of the gear is not affected by external loads, the gear can work stably due to the fact that the stiffness is stable and has no sudden change, accuracy of test data is guaranteed, measurement of a real-time temperature field in the operation process is increased through the fact that a plurality of groups of temperature sensors 9 and vibration sensors 10 are arranged in the test gear box 2 and data transmission is integrated to a data acquisition system 11, basis is provided for calculating the transient temperature field of the gear, meanwhile, data collected in the test mode are diversified, and the FZG gear box test device is convenient to widely popularize in scientific.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an adjustable meshing rigidity's multidata collection FZG gear box test device, includes experimental supporting seat (1), its characterized in that: the testing device is characterized in that a testing gear box (2) is arranged on one side of the top end of the testing support seat (1), a motor support plate (3) is arranged on one side, away from the testing gear box (2), of the top end of the testing support seat (1), a driving motor (4) is arranged on the top end of the motor support plate (3), a test accompanying gear box (5) is arranged between the testing gear box (2) and the driving motor (4), the output end of the driving motor (4) penetrates through the test accompanying gear box (5) through a transmission shaft (6) to be connected to the testing gear box (2), a bearing end cover (7) matched with the transmission shaft (6) is arranged on one side, away from the driving motor (4), of the testing gear box (2), a torque sensor (8), a temperature sensor (9) and a vibration sensor (10) are installed on the testing gear box (2), and the torque, the testing gear box (2) is electrically connected with a data acquisition system (11), the data acquisition system (11) is electrically connected with a computer (12), and a gap adjusting mechanism is arranged on the testing gear box (2).
2. The multiple data acquisition FZG gearbox test device with adjustable meshing stiffness according to claim 1, wherein: the clearance adjusting mechanism comprises a gear box lower end cover (13), a sliding rail (14) is arranged on the gear box lower end cover (13), a bearing fixing block (15) is connected to the sliding rail (14) in a sliding mode, and the bearing fixing block (15) is sleeved on a bearing (16).
3. The multiple data acquisition FZG gearbox test device with adjustable meshing stiffness according to claim 1, wherein: vibration sensor (10) and temperature sensor (9) integration are in test gear box (2), temperature sensor (9) are equipped with six groups and are located test gear box (2) both sides inner wall respectively, vibration sensor (10) are equipped with eight groups and respectively with test gear box (2) demountable installation.
4. The multiple data acquisition FZG gearbox test device with adjustable meshing stiffness according to claim 1, wherein: the testing gear box (2) is provided with an oil meter (17) on the side, and the oil meter (17) monitors oil in the testing gear box (2) in real time by utilizing a communicating vessel principle.
5. The multiple data acquisition FZG gearbox test device with adjustable meshing stiffness according to claim 1, wherein: and two gear shafts are arranged on the test gear box (2), one of the gear shafts is connected with a torque and rotation speed sensor, and the other gear shaft is connected with a torsion spring through the torque and rotation speed sensor.
6. The multiple data acquisition FZG gearbox test device with adjustable meshing stiffness according to claim 1, wherein: all torque sensor (8), temperature sensor (9) and vibration sensor (10) and test gear box (2) box contact site all gather a bundle with external signal and do the sealing processing, the shell material of test gear box (2) is organic glass, be equipped with detachable observation window (18) on the casing of test gear box (2).
7. The multiple data acquisition FZG gearbox test device with adjustable meshing stiffness according to claim 1, wherein: accompany examination gear box (5) and be cast iron material, test gear box (2) all are fixed in on experimental supporting seat (1) through the bolt with accompany examination gear box (5), vibration sensor (10), torque sensor (8) and temperature sensor (9) all adopt multichannel control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010850534.9A CN112213098A (en) | 2020-08-21 | 2020-08-21 | FZG gear box test device is gathered to multidata of adjustable meshing rigidity |
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| CN202010850534.9A CN112213098A (en) | 2020-08-21 | 2020-08-21 | FZG gear box test device is gathered to multidata of adjustable meshing rigidity |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112903287A (en) * | 2021-01-21 | 2021-06-04 | 河北工业大学 | RV reduction gear comprehensive properties testing arrangement with accuse temperature structure |
| CN114033844A (en) * | 2021-11-04 | 2022-02-11 | 凯临钒机械(杭州)有限公司 | Gear box management system based on data acquisition |
| CN114739661A (en) * | 2022-03-28 | 2022-07-12 | 南高齿(淮安)高速齿轮制造有限公司 | Planet wheel meshing test simulation device |
| CN114894247A (en) * | 2022-04-21 | 2022-08-12 | 吉林大学 | Performance testing device and testing method for oil baffle disc inside gear box |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903287A (en) * | 2021-01-21 | 2021-06-04 | 河北工业大学 | RV reduction gear comprehensive properties testing arrangement with accuse temperature structure |
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| CN114739661A (en) * | 2022-03-28 | 2022-07-12 | 南高齿(淮安)高速齿轮制造有限公司 | Planet wheel meshing test simulation device |
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| CN114894247A (en) * | 2022-04-21 | 2022-08-12 | 吉林大学 | Performance testing device and testing method for oil baffle disc inside gear box |
| CN114894247B (en) * | 2022-04-21 | 2023-03-03 | 吉林大学 | Performance testing device and testing method for oil baffle disc in gear box |
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Application publication date: 20210112 |