CN108709741B - Special fatigue testing machine for toothed belt - Google Patents
Special fatigue testing machine for toothed belt Download PDFInfo
- Publication number
- CN108709741B CN108709741B CN201810968203.8A CN201810968203A CN108709741B CN 108709741 B CN108709741 B CN 108709741B CN 201810968203 A CN201810968203 A CN 201810968203A CN 108709741 B CN108709741 B CN 108709741B
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- China
- Prior art keywords
- toothed
- toothed belt
- counterweight
- belt
- main frame
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000012795 verification Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/023—Power-transmitting endless elements, e.g. belts or chains
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The special fatigue testing machine for the toothed belt comprises a main frame, wherein a platform is arranged on the top surface of the main frame, a motor is arranged on the platform through a supporting piece, and a belt wheel supporting device is arranged at the output end of the motor through a speed reducer; the middle part of the main frame is provided with a toothed disc through a bearing device, the lower parts of two ends of the toothed disc are respectively provided with a pre-tightening device, two pre-tightening devices are respectively provided with two ends of a toothed belt, the toothed belt is arranged on the outer surface of the toothed disc in a matching way and is connected with a belt wheel supporting device, a counterweight frame is arranged below the toothed disc through a fastener, and a plurality of counterweight blocks are arranged on the counterweight frame; and a control cabinet is installed at the bottom of the outer side of the main frame. The toothed belt is driven to swing, the fatigue state and the service life of the toothed belt are verified through adding a counterweight and running time, and the torque sensor transmits data to a screen of the control cabinet in real time so as to adjust the torque at any time. The test is convenient, and the verification efficiency is high.
Description
Technical Field
The invention relates to the technical field of test devices, in particular to a special fatigue testing machine for a toothed belt.
Background
The wind driven generator is an electric power device which converts wind energy into mechanical work and drives a rotor to rotate and finally outputs alternating current. The wind driven generator generally comprises an impeller, a generator (comprising a device), a cabin, a tower, a speed limiting safety mechanism, an energy storage device and the like.
The working principle of the wind driven generator is simple, the impeller rotates under the action of wind force, the kinetic energy of wind is converted into mechanical energy of the impeller shaft, and the generator rotates to generate electricity under the drive of the impeller shaft.
The wind driven generator pitch system adopts toothed belt transmission, has higher technical requirement on the toothed belt, needs to test the fatigue state and service life of the toothed belt in the process of producing the toothed belt in the prior art, and has large device, large occupied area, difficult installation and low test efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the applicant provides a special fatigue testing machine for the toothed belt, which has reasonable structure, thereby being capable of conveniently completing the fatigue test of the toothed belt, and having good test effect, good working reliability and high test efficiency.
The technical scheme adopted by the invention is as follows:
the special fatigue testing machine for the toothed belt comprises a main frame, wherein a platform is arranged on the top surface of the main frame, a motor is arranged on the platform through a supporting piece, and a belt wheel supporting device is arranged at the output end of the motor through a speed reducer; the middle part of the main frame is provided with a toothed disc through a bearing device, the lower parts of two ends of the toothed disc are respectively provided with a pre-tightening device, two pre-tightening devices are respectively provided with two ends of a toothed belt, the toothed belt is arranged on the outer surface of the toothed disc in a matching way and is connected with a belt wheel supporting device, a counterweight frame is arranged below the toothed disc through a fastener, and a plurality of counterweight blocks are arranged on the counterweight frame; and a control cabinet is installed at the bottom of the outer side of the main frame.
As a further improvement of the above technical scheme:
the belt wheel supporting device comprises a driving wheel and a tensioning wheel which are matched with the toothed belt.
And a torque sensor is arranged on an output shaft of the motor.
The lower bottom surface of the toothed disc is a plane, the outer circumferential surfaces of the toothed discs at two ends of the plane are provided with pre-tightening devices, and the bottom of the plane is provided with a counterweight frame through a plurality of bolts.
The tooth-shaped disc is provided with a plurality of round holes.
The beneficial effects of the invention are as follows:
the invention has compact and reasonable structure and convenient operation, the toothed belt is arranged outside the toothed disc, the toothed belt is driven to swing under the driving action of the motor and the belt wheel supporting device, the toothed belt stops rotating 160 degrees rightwards when rotating 80 degrees leftwards, and the toothed belt always reciprocates like a pendulum clock within 160 degrees, and the fatigue state and the service life of the toothed belt are verified by adding a counterweight and running time, and the torque sensor transmits data to a screen of the control cabinet in real time so as to adjust the torque at any time. The test is convenient, and the verification efficiency is high.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of another view of the present invention.
Fig. 3 is a schematic structural view of the present invention (the main frame is omitted).
Wherein: 1. a main frame; 2. a platform; 3. a toothed disc; 4. a motor; 5. a torque sensor; 6. a speed reducer; 7. a belt wheel supporting device; 8. a bearing device; 9. a toothed belt; 10. a counterweight frame; 11. balancing weight; 12. a pre-tightening device; 13. and a control cabinet.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings.
As shown in fig. 1, 2 and 3, the special fatigue testing machine for the toothed belt of the embodiment comprises a main frame 1, wherein a platform 2 is arranged on the top surface of the main frame 1, a motor 4 is arranged on the platform 2 through a supporting piece, and a belt wheel supporting device 7 is arranged at the output end of the motor 4 through a speed reducer 6; the middle part of the main frame 1 is provided with a toothed disc 3 through a bearing device 8, pretensioning devices 12 are respectively arranged below two ends of the toothed disc 3, two ends of a toothed belt 9 are respectively arranged on the two pretensioning devices 12, the toothed belt 9 is arranged on the outer surface of the toothed disc 3 in a matching way and is connected with a belt wheel supporting device 7, a counterweight frame 10 is arranged below the toothed disc 3 through a fastener, and a plurality of counterweight blocks 11 are arranged on the counterweight frame 10; a control cabinet 13 is installed at the bottom of the outer side of the main frame 1.
The belt wheel supporting device 7 comprises a driving wheel and a tensioning wheel which are matched with the toothed belt 9.
A torque sensor 5 is mounted on the output shaft of the motor 4.
The lower bottom surface of the toothed disc 3 is a plane, the outer circumferential surfaces of the toothed discs 3 at two ends of the plane are provided with a pre-tightening device 12, and the bottom of the plane is provided with a counterweight frame 10 through a plurality of bolts.
The toothed disc 3 is provided with a plurality of round holes. Has better heat dissipation effect.
The main working principle of the invention is as follows:
firstly, the experimental toothed belt 9 passes through a driving wheel and a tensioning wheel in the belt wheel supporting device 7, and the toothed belt 9 is fixedly locked through the pre-tightening device 12.
And secondly, adding a counterweight, wherein the counterweight can be modified at any time according to experimental torque data.
And thirdly, starting the motor 4, driving the toothed belt 9 to rotate through torque sensing, 5 and the speed reducer 6, stopping rotating 160 degrees rightwards when rotating 80 degrees leftwards, performing reciprocating motion like a pendulum clock within 160 degrees all the time, verifying the fatigue state and the service life of the toothed belt 9 through adding a counterweight and running time, and transmitting data to a screen of the control cabinet 13 through the torque sensor in real time so as to adjust the torque at any time.
The test is convenient and the reliability is good.
The above description is intended to illustrate the invention and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the invention.
Claims (1)
1. A special fatigue testing machine for a toothed belt is characterized in that: the device comprises a main frame (1), wherein a platform (2) is arranged on the top surface of the main frame (1), a motor (4) is arranged on the platform (2) through a supporting piece, and a belt wheel supporting device (7) is arranged at the output end of the motor (4) through a speed reducer (6); the middle part of the main frame (1) is provided with a toothed disc (3) through a bearing device (8), the lower parts of the two ends of the toothed disc (3) are respectively provided with a pre-tightening device (12), the two pre-tightening devices (12) are respectively provided with two ends of a toothed belt (9), the toothed belt (9) is matched with the outer surface of the toothed disc (3) and is connected with a belt wheel supporting device (7), a counterweight frame (10) is arranged below the toothed disc (3) through a fastener, and a plurality of counterweight blocks (11) are arranged on the counterweight frame (10); a control cabinet (13) is arranged at the bottom of the outer side of the main frame (1); the belt wheel supporting device (7) comprises a driving wheel and a tensioning wheel which are matched with the toothed belt (9); a torque sensor (5) is arranged on an output shaft of the motor (4); the lower bottom surface of the toothed disc (3) is a plane, a pre-tightening device (12) is arranged on the outer circumferential surface of the toothed disc (3) at two ends of the plane, and a counterweight frame (10) is arranged at the bottom of the plane through a plurality of bolts; a plurality of round holes are formed in the toothed disc (3); when the device works, firstly, an experimental toothed belt (9) passes through a driving wheel and a tensioning wheel in a belt wheel supporting device (7), and the toothed belt (9) is fixedly locked through a pre-tightening device (12); adding a counterweight, wherein the counterweight can be modified and reduced at any time according to the experimental torque data; starting a motor (4), driving a toothed belt (9) to rotate through a torque sensor (5) and a speed reducer (6), stopping rotating 160 degrees rightwards when rotating 80 degrees leftwards, performing reciprocating motion like a pendulum clock within 160 degrees all the time, verifying the fatigue state and the service life of the toothed belt (9) through adding a counterweight and running time, and transmitting data to a screen of a control cabinet (13) through the torque sensor in real time so as to adjust torque at any time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968203.8A CN108709741B (en) | 2018-08-23 | 2018-08-23 | Special fatigue testing machine for toothed belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968203.8A CN108709741B (en) | 2018-08-23 | 2018-08-23 | Special fatigue testing machine for toothed belt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108709741A CN108709741A (en) | 2018-10-26 |
| CN108709741B true CN108709741B (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810968203.8A Active CN108709741B (en) | 2018-08-23 | 2018-08-23 | Special fatigue testing machine for toothed belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108709741B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194312B (en) * | 2019-06-26 | 2024-04-02 | 河北工业大学 | Toothed belt environment test box |
| CN115077897B (en) * | 2022-06-22 | 2023-08-08 | 燕山大学 | Toothed belt dynamic fatigue test device used in salt fog environment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697638Y (en) * | 2004-04-26 | 2005-05-04 | 刘晓平 | Fatigue test machine for conveyer belt |
| CN2758747Y (en) * | 2005-01-01 | 2006-02-15 | 朱安明 | Common V-belt fatigue testing machine |
| CN201508301U (en) * | 2009-10-22 | 2010-06-16 | 上虞市宝来同步带有限公司 | Drive belt fatigue test device |
| CN102507170A (en) * | 2011-10-20 | 2012-06-20 | 中国人民解放军装甲兵工程学院 | Contact fatigue life prediction testing machine |
| CN105403406A (en) * | 2015-12-11 | 2016-03-16 | 北京金风科创风电设备有限公司 | Toothed belt fatigue test device |
| CN105675293A (en) * | 2015-12-31 | 2016-06-15 | 北京金风科创风电设备有限公司 | Testing tool and system for pitch-variable toothed belt of wind generating set |
| CN205937683U (en) * | 2016-08-27 | 2017-02-08 | 无锡市宝业机械制造有限公司 | Belt preloading device for aerogenerator |
| CN106969912A (en) * | 2017-05-04 | 2017-07-21 | 北京金风科创风电设备有限公司 | Fatigue test tool, fatigue test machine and fatigue test method for transmission belt |
| BR102016014593A2 (en) * | 2016-06-21 | 2018-01-09 | Fundação Universidade Do Estado De Santa Catarina | TORQUE FATIGUE MACHINE BASED ON ROTABLE UNBALANCE |
| CN208636034U (en) * | 2018-08-23 | 2019-03-22 | 无锡市宝业机械制造有限公司 | Toothed belt special fatigue test machine |
-
2018
- 2018-08-23 CN CN201810968203.8A patent/CN108709741B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697638Y (en) * | 2004-04-26 | 2005-05-04 | 刘晓平 | Fatigue test machine for conveyer belt |
| CN2758747Y (en) * | 2005-01-01 | 2006-02-15 | 朱安明 | Common V-belt fatigue testing machine |
| CN201508301U (en) * | 2009-10-22 | 2010-06-16 | 上虞市宝来同步带有限公司 | Drive belt fatigue test device |
| CN102507170A (en) * | 2011-10-20 | 2012-06-20 | 中国人民解放军装甲兵工程学院 | Contact fatigue life prediction testing machine |
| CN105403406A (en) * | 2015-12-11 | 2016-03-16 | 北京金风科创风电设备有限公司 | Toothed belt fatigue test device |
| CN105675293A (en) * | 2015-12-31 | 2016-06-15 | 北京金风科创风电设备有限公司 | Testing tool and system for pitch-variable toothed belt of wind generating set |
| BR102016014593A2 (en) * | 2016-06-21 | 2018-01-09 | Fundação Universidade Do Estado De Santa Catarina | TORQUE FATIGUE MACHINE BASED ON ROTABLE UNBALANCE |
| CN205937683U (en) * | 2016-08-27 | 2017-02-08 | 无锡市宝业机械制造有限公司 | Belt preloading device for aerogenerator |
| CN106969912A (en) * | 2017-05-04 | 2017-07-21 | 北京金风科创风电设备有限公司 | Fatigue test tool, fatigue test machine and fatigue test method for transmission belt |
| CN208636034U (en) * | 2018-08-23 | 2019-03-22 | 无锡市宝业机械制造有限公司 | Toothed belt special fatigue test machine |
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| Publication number | Publication date |
|---|---|
| CN108709741A (en) | 2018-10-26 |
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