CN109406137B - Rotary wheel spiral wheel transmission test bed - Google Patents
Rotary wheel spiral wheel transmission test bed Download PDFInfo
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- CN109406137B CN109406137B CN201811417028.XA CN201811417028A CN109406137B CN 109406137 B CN109406137 B CN 109406137B CN 201811417028 A CN201811417028 A CN 201811417028A CN 109406137 B CN109406137 B CN 109406137B
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims abstract description 48
- 239000006247 magnetic powder Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 3
- 230000033001 locomotion Effects 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a novel rotating wheel spiral wheel transmission test bed which comprises a test bed bottom plate, a power part, a test part and a load part, wherein the test bed bottom plate is provided with a plurality of spiral wheels; the test section includes a gearbox and a gearbox support. The driving gear and the driven gear for testing are arranged in the gear box; the power part comprises a motor, a linear displacement table, an arc-shaped rotating mechanism, an input end torque rotating speed sensor and the like; the load part comprises an output end torque rotation speed sensor, a magnetic powder brake, an axial load device, a linear guide rail, a displacement sensor, a load part fixing platform and the like, and the displacement sensor is fixed on the bottom plate of the test bed through a displacement sensor support. The axial load device comprises a rope, a pulley, weights and a rope bracket, and is connected with the shaft center of the magnetic powder brake. The invention meets the requirement of closed transmission test, can test the data of spiral motion when the rotation motion is converted into the spiral motion, has high test precision and is easy to process, and belongs to the technical field of test tables.
Description
Technical Field
The invention relates to a gear mechanism test bed, in particular to a rotating wheel spiral wheel transmission test bed.
Background
Gear mechanisms are the most widely used transmission and change-speed mechanisms in industry. According to JB/T5077-1991 general gear device type test method, whether before large-scale production or during gear box application, the gear box is detected or sampled to test the performance of the gear box and the general gear before large-scale production, the type test is needed to detect various transmission performances of the general gear; to meet the quality control requirements, all of which require a gear drive test stand.
The gear transmission includes a rotation-rotation interchange gear transmission, a rotation-movement interchange gear transmission, and a rotation-spiral movement gear transmission. The rotation-rotation exchange gear transmission is a common straight tooth cylindrical gear pair, a helical tooth cylindrical gear pair, a worm gear pair and the like, is mainly gear rack transmission, is less researched than the rotation-spiral motion gear transmission, is commonly provided with planetary roller screw transmission and consists of a plurality of mechanisms so as to realize the motion. The rotating wheel-spiral wheel transmission is used as a novel gear transmission structure, and the exchange of the rotating-spiral motion can be realized through two mechanisms, but a corresponding experiment table is not used for testing the corresponding performance of the mechanism. The vast majority of traditional gear drive test tables are only suitable for testing rotation-rotation exchange gear drive and rotation-movement exchange gear drive, and the test tables are only suitable for testing traditional gear drive of parallel shafts, vertical intersecting shafts and vertical intersecting shafts, the test tables cannot be properly adjusted according to requirements, corresponding performances of spiral output cannot be tested, and novel gear test requirements of arbitrary angle intersecting and arbitrary angle interlacing drive cannot be met. Therefore, the prior art lacks a test bed for carrying out high-precision detection on the novel rotating wheel-spiral wheel pair, and the closed transmission test of the gear box cannot be carried out.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to provide a rotating wheel spiral wheel transmission test bed which can carry out test of closed transmission of a parallel shaft, an arbitrary angle intersecting shaft and an arbitrary angle intersecting shaft of a rotating wheel-spiral wheel transmission pair.
In order to achieve the above purpose, the invention adopts the following technical scheme: the rotating wheel spiral wheel transmission test bed comprises a test bed bottom plate, a power part, a test part and a load part, and can test kinetic experimental data when rotary motion is converted into spiral motion; the test part comprises an output shaft, an input shaft, a gear box and a gear box support; the driving gear and the driven gear for testing are arranged in the gear box; the gear box support comprises a driven wheel support and a bearing support, and the gear box is fixedly connected with the bottom plate of the test bed through the gear box support; the power part comprises a motor, a linear displacement platform for adjusting the height and the plane position of the motor, a power part fixing platform, an arc-shaped rotating mechanism, an input end sensor support and an input end torque rotating speed sensor which are mutually connected to form a whole; the load part comprises an output end sensor support, an output end torque and rotation speed sensor, a magnetic powder brake, an axial load device, a linear guide rail, a displacement sensor support and a load part fixing platform; the displacement sensor is fixed on the bottom plate of the test bed through a displacement sensor support; the axial load device comprises a rope, a pulley, weights and a rope bracket, wherein the rope is connected with the shaft center of the magnetic powder brake.
Preferably, the gear box is respectively connected with the input shaft and the output shaft, the driving gear is a rotating wheel, and the driven gear is a spiral wheel; the rotating wheel and the spiral wheel for testing are respectively connected between the input shaft and the output shaft, the spiral wheel is connected with the output shaft, the rotating wheel is connected with the input shaft, the motor is connected with the input shaft to drive the input shaft to rotate, the magnetic powder brake adds torque for the output shaft, and the load device adds load for the output shaft.
Preferably, an input end torque rotation speed sensor and a bearing bracket are installed between the input shaft and the motor, the bearing bracket fixes the input shaft on the power part fixing platform, the input end torque rotation speed sensor is installed on the input end sensor support, the motor, the input end sensor support and the gear box are installed on the power part fixing platform, the power part fixing platform is installed on the linear displacement platform, and the linear displacement platform is supported by the arc-shaped rotating mechanism.
As one preference, an output end torque rotating speed sensor is arranged between the output shaft and the magnetic powder brake, the output end torque rotating speed sensor is arranged on an output end sensor support, a displacement sensor is arranged at one end of the output shaft, the other side of the magnetic powder brake is connected with an axial load device, the output end sensor support and the magnetic powder brake are arranged on a linear guide rail, the output end torque rotating speed sensor, the output end sensor support and the magnetic powder brake synchronously rotate and move, the linear guide rail is arranged on a load part fixing platform, and the load part fixing platform is arranged on a test bed bottom plate.
Preferably, the linear displacement platform is a three-degree-of-freedom moving platform, moves in three directions X, Y, Z, and can realize the adjustment of the left and right, front and back, up and down directions of the fixed platform by controlling a screw rod sliding block mechanism in three directions X, Y, Z. After the structure is adopted, the linear displacement table can be adjusted to meet the requirement of any-angle intersection and any-angle staggered transmission.
Preferably, the arc-shaped rotating mechanism comprises an arc-shaped guide rail and a guide rail sliding table; the linear displacement platform is arranged on the guide rail sliding table, the arc guide rail is arranged on the bottom plate of the test bed, the guide rail sliding table slides along the arc guide rail, and the guide rail is provided with a mechanical protractor capable of measuring the angles of the two shafts of the input shaft and the output shaft. After the structure is adopted, the mechanical protractor can be used for directly observing and reading the approximate angle, and the operation process is more convenient.
Preferably, the axial loading device comprises a rope, a pulley, a weight and a rope bracket; the rope bracket is fixed on the magnetic powder brake, the weights are connected by the rope, different axial loads are provided for the output shaft by means of the dead weights of different weights through the pulleys, and the pulleys are fixed on the load part fixing platform through the pulley bracket.
Preferably, the displacement sensor is a contact type linear displacement sensor, and is used for testing linear displacement output by the output shaft, converting the acquired voltage signal of the displacement sensor into a digital signal through the information acquisition card, and inputting the digital signal into the computer.
Preferably, the motor, the input end torque and rotation speed sensor and the input shaft are connected in sequence through a coupler and are arranged on a straight line; the displacement sensor, the output shaft, the output end torque and rotation speed sensor, the magnetic powder brake and the axial load device are connected in sequence through a coupler and are arranged on a straight line.
Preferably, the guide rail sliding table is fixed by a clamping device after moving, and the clamping device has a mechanical or air cylinder structure.
Compared with the prior art, the invention has the following beneficial effects: the rotating wheel spiral wheel transmission test bed provided by the invention can meet the closed transmission test requirements of a rotating wheel-spiral wheel transmission pair parallel shaft, an arbitrary angle intersecting shaft and an arbitrary angle intersecting shaft, can test the rotating speed, the torque, the axial displacement and the axial force of spiral output, and has the advantages of simple structure, convenience in adjustment and easiness in implementation. On the basis, the transmission test is carried out on the transmission of the rotating wheel and the spiral wheel, and an experimental basis is provided for the standardization and the mass production of the transmission of the rotating wheel and the spiral wheel. The rotating wheel-spiral wheel transmission test bed can also be used for transmission test of the traditional gear pair.
Drawings
Fig. 1 is a perspective view of the present invention. Wherein, 1, a motor; 2. an input end torque and rotation speed sensor; 3. a bearing support; 4. a linear displacement table; 5. a circular arc guide rail; 6. a drive gear; 7. a linear displacement sensor; 8. a driven shaft bracket; 9. a driven gear; 10. a load part fixing platform; 11. an output end torque and rotation speed sensor; 12. a magnetic powder brake; 13. a linear guide rail; 14. a pulley; 15. a test bed bottom plate; 16. a weight;
17. the power part fixes the platform.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1, a rotary wheel screw drive test stand includes a test stand base 15, a power section, a test section, and a load section. Wherein the power section, the test section and the load section are mounted on the test bed base 15.
The power part comprises a motor 1, a linear displacement table 4 for adjusting the height and the plane position of the motor 1, an arc-shaped rotating mechanism, an input end sensor support and an input end torque rotating speed sensor 2 which are mutually connected to form a whole. The arc-shaped rotating mechanism comprises an arc guide rail 5 and a guide rail sliding table, the linear displacement table 4 is arranged on the guide rail sliding table, and the linear displacement table 4 is provided with a power part fixing platform 17. The arc guide rail 5 is arranged on the bottom plate 15 of the test bed, and baffles are arranged near the two ends of the arc guide rail to limit the guide rail sliding table, so that the arc guide rail is prevented from sliding off from the power part fixing platform 17. The guide rail sliding table is arranged on the circular arc guide rail 5, can slide along the circular arc guide rail 5 and can be fixed at a required position by using a clamping device. The motor 1, the input end sensor support and the input end torque and rotation speed sensor 2 are arranged on the power part fixing platform 17. The motor 1 drives the input end torque rotating speed sensor 2 to rotate through a coupler, and the input end torque rotating speed sensor 2 is arranged on the power part fixing platform 17 through an input end sensor support. The motor 1 provides power for the driving gear 6 through the input end torque and rotation speed sensor 2, and the driving gear 6 is fixed on the power part fixing platform 17 through the bearing bracket 3. The input-side torque rotation speed sensor 2 measures the rotation speed, torque, and power input by the motor 1. The power part fixing platform 17 is arranged on the linear displacement platform 4, and the linear displacement platform 4 is a three-degree-of-freedom moving platform and can realize up-down, front-back, left-right movement.
The test section includes a gear box, a gear box support, an output shaft and an input shaft. The gearbox comprises a driving gear 6 and a driven gear 9. The driving gear 6 is a rotating wheel, and the driven gear 9 is a spiral wheel. The rotating wheel and the spiral wheel for testing are respectively connected between the input shaft and the output shaft. The output shaft is fixedly connected with the test bed bottom plate 15 through the driven shaft bracket 8. The input shaft and the output shaft are respectively connected with the input end and the output end torque and rotation speed sensor through the shaft coupling. The load part comprises an output end sensor support, an output end torque and rotation speed sensor 11, a magnetic powder brake 12, an axial load device, a linear guide rail 13, a linear displacement sensor 7, a displacement sensor support and a load part fixing platform 10. The output end torque and rotation speed sensor 11 is mounted on the linear guide rail 13 through an output end sensor support, and the output end torque and rotation speed sensor 11 is respectively connected with the magnetic powder brake 12 and the output shaft through a coupler and is used for measuring the torque, rotation speed and power of the output end of the gearbox. The linear guide 13 is mounted on the load portion fixing platform 10. The magnetic powder brake 12 is arranged on the linear guide rail 13 and provides load for the test bed; the axial load device comprises a rope, a pulley 14, a weight 16 and a rope bracket; the rope bracket is fixed on the magnetic powder brake 12, is connected with weights 16 through ropes, provides different axial loads for the output shaft by means of the dead weights of different weights 16 through pulleys 14, and is fixed on the load part fixing platform 10. The linear displacement sensor 7 is connected with the output shaft through a coupling and is connected to the bottom plate through a displacement coupling support. The axial displacement of the output shaft output is tested by the linear displacement sensor 7.
When the test bed is installed and debugged, the angle required by the gear pair to be tested is fixed on the load part by moving the guide rail sliding table, the gear box is installed on the power part fixing platform by the gear box support, and the gear box is connected with the rotating speed and torque sensor by the coupler, so that the motor 1 provides torque. Then, the linear displacement table 4 is adjusted to center the power part with the output shaft of the gear box and is connected with the output shaft of the gear box through a coupler, and the output shaft of the gear box is connected with the load part through the coupler.
The invention provides four degrees of freedom adjustment (up and down, left and right, front and back, rotation of the guide rail sliding table) for the linear displacement table 4, and is suitable for development and sealing test of the rotating wheel spiral wheel under a micro scale.
In addition to the manner mentioned in this embodiment, the spatial movement of the linear displacement stage 4 can be controlled by means of a X, Y, Z three-way screw slide mechanism, and the clamping device can be either mechanical or air-cylinder. These variations are all within the scope of the present invention.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (5)
1. The rotating wheel spiral wheel transmission test bed comprises a test bed bottom plate, a power part, a test part and a load part; the method is characterized in that: the test part comprises an output shaft, an input shaft, a gear box and a gear box support; the driving gear and the driven gear are arranged in the gear box; the gearbox support comprises a driven shaft support and a bearing support, and the output shaft is fixedly connected with the bottom plate of the test bed through the driven shaft support; the power part comprises a motor, a linear displacement platform for adjusting the height and the plane position of the motor, a power part fixing platform, an arc-shaped rotating mechanism, an input end sensor support and an input end torque rotating speed sensor; the load part comprises an output end sensor support, an output end torque and rotation speed sensor, a magnetic powder brake, an axial load device, a linear guide rail, a displacement sensor support and a load part fixing platform; the displacement sensor is fixed on the bottom plate of the test bed through a displacement sensor support; the axial load device comprises a rope, a pulley, weights and a rope bracket, and the rope is connected with the shaft center of the magnetic powder brake;
The rope bracket is fixed on the magnetic powder brake, the rope is connected with the weight, and different axial loads are provided for the output shaft through pulleys on the rope bracket;
The motor, the input end torque and rotation speed sensor and the input shaft are connected in sequence through a coupler and are arranged on a straight line; the displacement sensor, the output shaft, the output end torque and rotation speed sensor, the magnetic powder brake and the axial load device are connected in sequence through a coupler and are arranged on a straight line;
The input end torque and rotation speed sensor is positioned between the input shaft and the motor, the input shaft is fixed on the power part fixing platform through a bearing bracket, and the input end torque and rotation speed sensor is arranged on the input end sensor support; the motor, the input end sensor support and the gear box are arranged on a power part fixing platform, the power part fixing platform is arranged on a linear displacement platform, and the linear displacement platform is supported by an arc-shaped rotating mechanism;
An output end torque rotating speed sensor is arranged between the output shaft and the magnetic powder brake, the output end torque rotating speed sensor is arranged on an output end sensor support, a displacement sensor is arranged at the other end of the output shaft opposite to the magnetic powder brake, the other side of the magnetic powder brake is connected with an axial load device, the output end sensor support and the magnetic powder brake are arranged on a linear guide rail, the output end torque rotating speed sensor, the output end sensor support and the magnetic powder brake synchronously rotate and move, the linear guide rail is arranged on a load part fixing platform, and the load part fixing platform is arranged on a test bed bottom plate;
The arc-shaped rotating mechanism comprises an arc guide rail and a guide rail sliding table; the linear displacement platform is arranged on the guide rail sliding table, the arc guide rail is arranged on the bottom plate of the test bed, the guide rail sliding table slides along the arc guide rail, and the guide rail is provided with a mechanical protractor for measuring the angles of the two shafts of the input shaft and the output shaft.
2. A rotary wheel screw drive test stand according to claim 1, characterized in that: the gear box is respectively connected with the input shaft and the output shaft, the driving gear is a rotating wheel, and the driven gear is a spiral wheel; the spiral wheel is connected with the output shaft, and the rotating wheel is connected with the input shaft.
3. A rotary wheel screw drive test stand according to claim 1, characterized in that: the linear displacement platform is a three-degree-of-freedom moving platform and can move in three directions X, Y, Z.
4. A rotary wheel screw drive test stand according to claim 1, characterized in that: the displacement sensor is a contact type linear displacement sensor.
5. A rotary wheel screw drive test stand according to claim 1, characterized in that: the guide rail sliding table is fixed by a clamping device after moving, and the clamping device is of a mechanical or air cylinder type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811417028.XA CN109406137B (en) | 2018-11-26 | 2018-11-26 | Rotary wheel spiral wheel transmission test bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811417028.XA CN109406137B (en) | 2018-11-26 | 2018-11-26 | Rotary wheel spiral wheel transmission test bed |
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| CN109406137A CN109406137A (en) | 2019-03-01 |
| CN109406137B true CN109406137B (en) | 2024-05-31 |
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| CN201811417028.XA Active CN109406137B (en) | 2018-11-26 | 2018-11-26 | Rotary wheel spiral wheel transmission test bed |
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| CN110514426A (en) * | 2019-09-18 | 2019-11-29 | 华南理工大学 | A kind of performance testing device of mechanical electronic hydraulic composite braking system |
| CN111665040B (en) * | 2020-05-11 | 2021-12-21 | 浙江恒星传动科技有限公司 | Quick no-load test device for gear box series products |
| CN112683209B (en) * | 2020-12-21 | 2024-03-22 | 华南理工大学 | Line gear machining precision detection table |
| CN112728011A (en) * | 2020-12-25 | 2021-04-30 | 中国船舶重工集团公司第七0三研究所 | Gear transmission structure for testing transmission performance of alignment bevel gear |
| CN112881007A (en) * | 2021-01-18 | 2021-06-01 | 重庆交通大学 | Adjustable gear transmission test experiment table |
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2018
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