CN107144427B - Worm gear driver life test device - Google Patents
Worm gear driver life test device Download PDFInfo
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- CN107144427B CN107144427B CN201710592671.5A CN201710592671A CN107144427B CN 107144427 B CN107144427 B CN 107144427B CN 201710592671 A CN201710592671 A CN 201710592671A CN 107144427 B CN107144427 B CN 107144427B
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- worm
- connecting shaft
- worm gear
- gear
- fixing plate
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a life testing device of a worm and gear driver, which is used for testing the abrasion degree of a gear matched between a worm and a worm wheel in the worm and gear driver. The life testing device comprises a testing platform, an input motor, a first connecting shaft, a second connecting shaft, a first gear transmission, a first brake, a second gear transmission, a second brake, a first torsion sensor and a second torsion sensor. The first torque sensor is arranged on the first connecting shaft and used for detecting the output torque of the first output end of the worm gear driver when the input motor drives the input end of the worm gear driver. The second torque sensor is arranged on the second connecting shaft and used for detecting the output torque of the second output end of the worm gear driver when the input motor drives the input end of the worm gear driver. The invention can efficiently test the service life of the product of the worm and gear driver.
Description
Technical Field
The invention relates to the field of photovoltaic equipment testing, in particular to a life testing device for a worm and gear driver.
Background
Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. The key element of the technology is a solar battery, the solar battery is packaged and protected after being connected in series, a large-area solar battery assembly can be formed, and the photovoltaic power generation device is formed by matching with components such as a power controller and the like. In order to fully utilize local solar energy resources and achieve the maximum power generation efficiency of the solar module, a solar tracker is generally adopted to realize timely adjustment of the angle of the solar module. In the transmission mechanism for tracking the sun by photovoltaic power generation, the transmission mechanism is widely applied due to the characteristics of large transmission ratio, stable transmission, self-locking and the like of worm and gear transmission.
The worm gear is used as a high-precision workpiece, so that quality detection of the worm gear is very important, the service life of the worm gear driver is tested at present, the detection process is troublesome, for example, poor stability requires field monitoring of testers, the abrasion condition of gears of the worm gear in different environments cannot be simulated, whether failure occurs or not can be judged after disassembly is generally required, time and labor are consumed, and the detection efficiency is low.
Disclosure of Invention
Aiming at the technical problems, the invention provides a worm and gear driver service life testing device with high efficiency.
The life testing device of the worm and gear driver is used for testing the abrasion degree of a gear matched between a worm and a worm wheel in the worm and gear driver, and the worm and gear driver comprises an input end connected with the worm, and a first output end and a second output end respectively connected with two sides of the worm wheel. The life testing device comprises a testing platform, an input motor, a first connecting shaft, a second connecting shaft, a first gear transmission, a first brake, a second gear transmission, a second brake, a first torsion sensor and a second torsion sensor. The test platform comprises a first fixing frame, a second fixing frame, a first fixing plate and a second fixing plate, wherein the first fixing frame and the second fixing frame are adjacently arranged, the first fixing plate and the second fixing plate are arranged on two opposite sides of the first fixing frame side by side, the first fixing frame is used for fixing a worm gear driver, the input end of the worm gear driver faces the second fixing frame, the first output end of the worm gear driver faces the first fixing plate, and the second output end of the worm gear driver faces the second fixing plate. The input motor is fixed on the second fixing frame and connected to the input end of the worm and gear driver to drive the worm in the worm and gear driver to move. The first connecting shaft and the second connecting shaft are respectively fixed on the first fixing plate and the second fixing plate, the first connecting shaft is connected to the first output end of the worm gear driver, and the second connecting shaft is connected to the second output end of the worm gear driver. The first gear transmission and the first brake are both fixed on the first fixed plate, and the first gear transmission is arranged between the first connecting shaft and the first brake and is used for controlling the rotation of the first connecting shaft driven by the first output end. The second gear transmission and the second brake are both fixed on the second fixing plate, and the second gear transmission is arranged between the second connecting shaft and the second brake and is used for controlling the rotation of the second connecting shaft driven by the second output end. The first torque sensor is arranged on the first connecting shaft and is used for detecting the output torque of the first output end when the input motor drives the input end of the worm gear driver. The second torque sensor is arranged on the second connecting shaft and is used for detecting the output torque of the second output end when the input motor drives the input end of the worm gear driver.
Preferably, the worm and gear driver life testing device further comprises a control system, and the first torsion sensor and the second torsion sensor are respectively connected with the control system in a communication mode. Further, the control system is used for judging the abrasion degree of the gear matched between the worm and the worm wheel in the worm gear and worm driver according to the output torque values transmitted by the first torque sensor and the second torque sensor.
Preferably, the control system is communicatively connected to the input motor, and the control system is used for controlling the rotation speed of the input motor.
Preferably, the control system is communicatively connected to the first brake and the second brake, respectively, and is configured to adjust the braking currents of the first brake and the second brake, respectively.
Preferably, the first gear transmission and the second gear transmission are planetary gear transmissions, respectively.
Preferably, the first fixing plate is provided with a first bracket for fixing a first connecting shaft, one end of the first connecting shaft is connected to the first output end, and the other end of the first connecting shaft is connected to the first gear transmission.
Preferably, the second fixing plate is provided with a second bracket for fixing a second connecting shaft, one end of the second connecting shaft is connected to the second output end, and the other end of the second connecting shaft is connected to the second gear transmission.
Preferably, the first fixing plate and the second fixing plate are respectively fixed on the test platform through sliding rails.
Preferably, the first fixing frame and/or the second fixing frame are/is detachably fixed on the test platform.
Compared with the prior art, the life testing device of the worm and gear driver can simulate the torque born by the driver under different wind forces by adjusting the current change of the brake, the time required by the test can be accelerated by adjusting the rotating speed of the input motor, and the abrasion condition of the gears of the worm and gear can be judged by observing the output torque under different states, so that the service life of the worm and gear driver can be tested efficiently; and the testing device can drive and monitor two output ends of the worm and gear driver at the same time, so that the testing efficiency is further improved.
Drawings
FIG. 1 is a block diagram of a worm drive life testing apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a life testing device for a worm gear driver according to an embodiment of the invention.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the invention, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a system block diagram of a worm gear driver life testing device 100 according to an embodiment of the invention, and fig. 2 is a schematic structural diagram of the worm gear driver life testing device 100 according to an embodiment of the invention.
The worm gear life test device 100 is used for testing the abrasion degree of the gears matched between the worm and the worm wheel in the worm gear 200. The worm gear driver 200 includes an input end 210 connected to the worm, and a first output end 211 and a second output end 212 respectively connected to two sides of the worm wheel.
The life test device 100 includes a test platform 1, an input motor 2, a first connecting shaft 31, a second connecting shaft 32, a first gear transmission 41, a first brake 51, a second gear transmission 42, a second brake 52, a first torsion sensor 61, and a second torsion sensor 62.
The test platform 1 comprises a first fixing frame 11, a second fixing frame 12, a first fixing plate 13 and a second fixing plate 14, wherein the first fixing frame 11 and the second fixing frame 12 are adjacently arranged, the first fixing plate 13 and the second fixing plate 14 are arranged on two opposite sides of the first fixing frame 11 side by side, the first fixing frame 11 is used for fixing a worm gear driver 200, an input end 210 of the worm gear driver 200 faces the second fixing frame 12, a first output end 211 of the worm gear driver 200 faces the first fixing plate 13, and a second output end 212 of the worm gear driver 200 faces the second fixing plate 14. In an embodiment, the first fixing plate 13 and the second fixing plate 14 may be fixed on the test platform 1 through slide rails, respectively. Preferably, the first fixing frame 11 and/or the second fixing frame 12 are detachably fixed on the test platform 1. This design facilitates fine tuning of the distance between the test elements on the life test device 100 according to the size of the worm gear drive to be tested.
The input motor 2 is fixed to the second fixing frame 12, and the input motor 2 is connected to the input end 210 of the worm gear driver 200 to drive the worm in the worm gear driver 200 to move. In one embodiment, the rotational speed of the input motor 2 may be manually or automatically adjusted to speed up the time required for testing.
The first connecting shaft 31 and the second connecting shaft 32 are respectively fixed on the first fixing plate 13 and the second fixing plate 14, the first connecting shaft 31 is connected to the first output end 211 of the worm gear driver 200, and the second connecting shaft 32 is connected to the second output end 212 of the worm gear driver 200. In an embodiment, the first fixing plate 13 is provided with a first bracket 131 for fixing the first connecting shaft 31, one end of the first connecting shaft 31 is connected to the first output end 211, and the other end of the first connecting shaft 31 is connected to the first gear transmission 41. The second fixing plate 14 is provided with a second bracket 141 for fixing the second connecting shaft 32, one end of the second connecting shaft 32 is connected to the second output end 212, and the other end of the second connecting shaft 32 is connected to the second gear transmission 42. The connection is mechanical connection, such as rigid connection mode of clamping, locking, etc.
The first gear transmission 41 and the first brake 51 are both fixed on the first fixing plate 13, the first gear transmission 41 is disposed between the first connecting shaft 31 and the first brake 51, and the first gear transmission 41 and the first brake 51 are used for controlling the rotation of the first connecting shaft 31 driven by the first output end 211. The second gear 42 and the second brake 52 are fixed on the second fixing plate 14, the second gear 42 is disposed between the second connecting shaft 32 and the second brake 52, and the second gear 42 and the second brake 52 are used for controlling the rotation of the second connecting shaft 32 driven by the second output end 212. In practical applications, the first gear transmission 41 and the second gear transmission 42 may be planetary gear transmissions, respectively. The torque experienced by the worm gear drive 200 under different winds can also be simulated by manual or automatic adjustment of the brake.
The first torque sensor 61 is disposed on the first connecting shaft 31, and the first torque sensor 61 is configured to detect an output torque of the first output end 211 when the input end 210 of the worm gear driver 200 is driven by the input motor 2. The second torque sensor 62 is disposed on the second connecting shaft 32, and the second torque sensor 62 is configured to detect an output torque of the second output end 212 when the input end 210 of the worm gear driver 200 is driven by the input motor 2. By observing and comparing the output torques in different states, a tester can determine the wear of the gears matched with the worm gears of the worm gear driver 200 and whether the worm gears fail.
In an embodiment, the worm gear life testing device 100 may further include a control system 7, and the first torsion sensor 61 and the second torsion sensor 62 are respectively communicatively connected to the control system 7. The communication connection refers to a connection mode of transmitting signals through wires or wirelessly. In practice, the control system 7 is configured to determine the degree of wear of the gear engaged between the worm and the worm wheel in the worm gear drive 200 according to the values of the output torques transmitted by the first torque sensor 61 and the second torque sensor 62. Preferably, the control system 7 is a programmed host. This allows for a more automated and real-time testing process.
Preferably, the control system 7 is also communicatively connected to the input motor 2, the control system 7 being configured to control the rotational speed of the input motor 2. Preferably, the control system 7 is communicatively connected to the first brake 51 and the second brake 52, respectively, and the control system 7 is configured to adjust the braking currents of the first brake 51 and the second brake 52, respectively. In practical application, the first brake 51 and the second brake 52 may be magnetic powder brakes.
According to the life testing device of the worm and gear driver, the torque born by the driver under different wind forces can be simulated by adjusting the current change of the brake, the time required by testing can be shortened by adjusting the rotating speed of the input motor, and the abrasion condition of gears of the worm and gear can be judged by observing the output torque under different states, so that the service life of the worm and gear driver can be tested efficiently; and the testing device can drive and monitor two output ends of the worm and gear driver at the same time, so that the testing efficiency is further improved.
The invention has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a worm gear driver life-span testing arrangement for test is applied to the worm gear driver of solar tracker in worm gear and worm wheel between complex gear degree of wear, this worm gear driver including connect in the input of worm and connect in the first output and the second output of worm wheel both sides respectively, its characterized in that this life-span testing arrangement includes:
the testing platform comprises a first fixing frame, a second fixing frame, a first fixing plate and a second fixing plate, wherein the first fixing frame and the second fixing frame are adjacently arranged, the first fixing plate and the second fixing plate are arranged on two opposite sides of the first fixing frame side by side, the first fixing frame is used for fixing a worm gear driver, the input end of the worm gear driver faces the second fixing frame, the first output end of the worm gear driver faces the first fixing plate, and the second output end of the worm gear driver faces the second fixing plate;
the input motor is fixed on the second fixing frame and is connected with the input end of the worm gear driver to drive the worm in the worm gear driver to move;
the first connecting shaft and the second connecting shaft are respectively fixed on the first fixing plate and the second fixing plate, the first connecting shaft is connected with the first output end of the worm gear driver, and the second connecting shaft is connected with the second output end of the worm gear driver;
the first gear transmission and the first brake are fixed on the first fixing plate, and the first gear transmission is arranged between the first connecting shaft and the first brake and is used for controlling the rotation of the first connecting shaft driven by the first output end;
the second gear transmission and the second brake are fixed on the second fixing plate, the second gear transmission is arranged between the second connecting shaft and the second brake, and the second gear transmission and the second brake are used for controlling the rotation of the second connecting shaft driven by the second output end;
the first torque sensor is arranged on the first connecting shaft and is used for detecting the output torque of the first output end when the input motor drives the input end of the worm gear driver;
the second torque sensor is arranged on the second connecting shaft and is used for detecting the output torque of the second output end when the input motor drives the input end of the worm gear driver; and
the control system is respectively connected with the input motor, the first brake, the second brake, the first torsion sensor and the second torsion sensor in a communication way, the control system simulates the torque born by the worm and gear driver under different wind forces by respectively adjusting the braking currents of the first brake and the second brake, the control system increases the time required by the test by controlling the rotating speed of the input motor, and the control system determines the degree of wear of the gears matched between the worm and the worm gear in the worm and gear driver by comparing the values of the output torques transmitted by the first torsion sensor and the second torsion sensor under different states;
the first fixing plate is provided with a first bracket for fixing the first connecting shaft, the second fixing plate is provided with a second bracket for fixing the second connecting shaft, and the first fixing plate and the second fixing plate are respectively fixed on the test platform through sliding rails.
2. The worm and gear drive life testing device of claim 1, wherein the first gear transmission and the second gear transmission are planetary gear transmissions, respectively.
3. The worm gear drive life testing device of claim 1, wherein one end of the first connecting shaft is connected to the first output end, and the other end of the first connecting shaft is connected to the first gear transmission.
4. The worm gear drive life testing device of claim 1, wherein one end of the second connecting shaft is connected to the second output end, and the other end of the second connecting shaft is connected to the second gear transmission.
5. The worm gear drive life testing device of claim 1, wherein the first mount and/or the second mount are detachably secured to the testing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592671.5A CN107144427B (en) | 2017-07-19 | 2017-07-19 | Worm gear driver life test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592671.5A CN107144427B (en) | 2017-07-19 | 2017-07-19 | Worm gear driver life test device |
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| Publication Number | Publication Date |
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| CN107144427A CN107144427A (en) | 2017-09-08 |
| CN107144427B true CN107144427B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710592671.5A Active CN107144427B (en) | 2017-07-19 | 2017-07-19 | Worm gear driver life test device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932653A (en) * | 2019-05-07 | 2019-06-25 | 洛阳智能农业装备研究院有限公司 | A kind of motor experimental bench test macro |
| CN110895196A (en) * | 2019-11-28 | 2020-03-20 | 芜湖意维利科技有限公司 | Worm gear fatigue test bench |
| CN113074936B (en) * | 2021-03-19 | 2022-09-30 | 重庆凯瑞传动技术有限公司 | Take gear box of axletree to dispatch from factory test device |
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| CN103698127A (en) * | 2013-12-26 | 2014-04-02 | 北京配天大富精密机械有限公司 | Speed reducer testing equipment |
| CN204649420U (en) * | 2015-06-18 | 2015-09-16 | 合肥工业大学 | A kind of Fatigue Testing System of Gears of scalability |
| CN207036419U (en) * | 2017-07-19 | 2018-02-23 | 苏州宝嘉新能源科技有限公司 | Worm and gear driver endurance testing device |
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2017
- 2017-07-19 CN CN201710592671.5A patent/CN107144427B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368878A (en) * | 2008-09-29 | 2009-02-18 | 浙江工业大学 | Integral comprehensive performance testing bench for miniature working machine |
| WO2013047551A1 (en) * | 2011-09-30 | 2013-04-04 | 国際計測器株式会社 | Torsion test device |
| CN203422224U (en) * | 2013-08-27 | 2014-02-05 | 上海采埃孚转向系统有限公司 | Fatigue endurance test device of worm gear and worm rod type transmission mechanism |
| CN103698127A (en) * | 2013-12-26 | 2014-04-02 | 北京配天大富精密机械有限公司 | Speed reducer testing equipment |
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| CN107144427A (en) | 2017-09-08 |
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