CN203858106U - Gear transmission accuracy testing experiment table - Google Patents
Gear transmission accuracy testing experiment table Download PDFInfo
- Publication number
- CN203858106U CN203858106U CN201420221858.6U CN201420221858U CN203858106U CN 203858106 U CN203858106 U CN 203858106U CN 201420221858 U CN201420221858 U CN 201420221858U CN 203858106 U CN203858106 U CN 203858106U
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Abstract
The utility model relates to a gear transmission accuracy testing experiment table and belongs to the gear transmission accuracy detection experiment technical filed. According to the gear transmission accuracy testing experiment table of the utility model, the height position of a standard gear can be adjusted through a vertical ball screw, and the horizontal position of a measured gear can be adjusted through a horizontal ball screw, and therefore, accurate engagement of the standard gear and the measured gear can be ensured; 90-degree turnover of the standard gear can be realized easily through a turnover mechanism, and transmission accuracy testing of a cylindrical gear or a bevel gear can be satisfied; signals generated in the engagement rotation process of the standard gear and the measured gear can be collected through a hollow encoder, and therefore, testing of transmission error values between the gears can be realized; testing of static errors and dynamic errors of the gears can be performed through adjusting the braking torque output of a magnetic remanence brake, and therefore, simulation of no-load and load conditions can be realized, and the authenticity of gear transmission accuracy testing can be improved.
Description
Technical field
The utility model belongs to gear-driven accuracy checkout equipment technical field, particularly relates to a kind of gear-driven accuracy test experimental bed.
Background technology
Gear-driven accuracy is to weigh the important indicator of gear meshing quality, and the detection of gear-driven accuracy has important value in gear quality control.The equipment that present stage is detected for gear-driven accuracy is also few, manufacturing cost is high, most of checkout equipment is all for cylindrical gear, few a part of checkout equipment can meet the transmission accuracy test of bevel gear, the equipment of wanting simultaneously to meet cylindrical gear and bevel gear drive accuracy test is more difficult, and existing checkout equipment has only been considered the static error under no-load condition, ignore the dynamic error under loading condition, actual working state between cannot real simulation gear, causes the authenticity of gear-driven accuracy test to reduce.
Utility model content
The problem existing for prior art, the utility model provides a kind of gear-driven accuracy test experimental bed, this experiment table can meet cylindrical gear and bevel gear drive accuracy test simultaneously, can meet the detection of dynamic error under static error and loading condition under idle condition simultaneously, actual working state between can real simulation gear, improves the authenticity of gear-driven accuracy test.
To achieve these goals, the utility model adopts following technical scheme: a kind of gear-driven accuracy test experimental bed, comprise pedestal, vertical ball-screw, the first screw slide, horizontal ball-screw, the second screw slide, driving gear shaft, driven gear shaft, switching mechanism and drive motor, described the first screw slide is packed in pedestal sidepiece, and the first screw slide is sleeved on vertical ball-screw, on vertical ball-screw top, the first fixed support is installed, the first fixed support with vertically between ball-screw, be connected by bearing; Described switching mechanism is arranged on the first fixed support, described drive motor is arranged on switching mechanism, the motor shaft of drive motor is connected with driving gear shaft by shaft coupling, is set with the first hollow scrambler on driving gear shaft, at driving gear shaft end, master gear is installed;
Described horizontal ball-screw is arranged on pedestal upper end by bearing seat, described the second screw slide is sleeved on horizontal ball-screw, on the second screw slide, be fixed with the second fixed support, described driven gear shaft is vertically arranged on the second fixed support by bearing, on driven gear shaft, be set with the second hollow scrambler, in driven gear shaft lower end, hysteresis brake is installed, in driven gear shaft upper end, tested gear is installed, tested gear is corresponding with master gear.
Described switching mechanism comprises flipping block, hold-down support, movable bearing support and back-moving spring, described hold-down support is packed on the first fixed support, on hold-down support, be horizontally disposed with rotating pin, be provided with pin-and-hole on flipping block, flipping block is sleeved on rotating pin by pin-and-hole; Described movable bearing support is connected with hold-down support by back-moving spring, is provided with four dividing heads on movable bearing support, and four dividing heads are uniformly distributed ringwise, and on the longitudinal center line that is centered close to rotating pin of annular; On flipping block, be provided with four index holes, four index holes are uniformly distributed ringwise, and on the longitudinal center line that is centered close to rotating pin of annular, dividing head matches with index hole; Between described movable bearing support and flipping block, be provided with clamping screw; On flipping block, be provided with gear shaft mounting hole, driving gear shaft is positioned at gear shaft mounting hole, and driving gear shaft is connected with flipping block by bearing; Described drive motor is by electric machine support and flipping block Joint.
Connection bearing between described driven gear shaft and the second fixed support adopts sealed bead bearing.
Connection bearing between described driving gear shaft and flipping block adopts sealed bead bearing.
Described drive motor adopts servomotor.
Between described dividing head and index hole, adopt interference fit.
The top of described dividing head is conical structure.
The beneficial effects of the utility model:
The utility model compared with prior art, when meeting column gear transmission accuracy test, after turning over and turn 90 degrees by switching mechanism, can also meet bevel gear drive accuracy test, owing to having increased hysteresis brake, in the time that hysteresis brake damping force moment of torsion is set to zero, can meet the detection of static error between no-load condition lower gear, in the time that the damping force moment of torsion of hysteresis brake is adjusted to real work moment of torsion, can simulate actual working state between gear, and meet the detection of dynamic error between loading condition lower gear, improve the authenticity of gear-driven accuracy test, the utility model is simple in structure, low cost of manufacture, easy to operate, be applicable to promoting the use of.
Brief description of the drawings
Fig. 1 is a kind of gear-driven accuracy test experimental bed structural representation of the present utility model;
Fig. 2 is switching mechanism stereographic map of the present utility model;
Fig. 3 is switching mechanism front elevation of the present utility model;
Fig. 4 is switching mechanism vertical view of the present utility model;
Fig. 5 is that the utility model is installed the structural representation after bevel gear;
In figure, 1-pedestal, 2-vertical ball-screw, 3-horizontal ball-screw, the 4-the second screw slide, 5-switching mechanism, 6-drive motor, the 7-the first fixed support, the 8-the second fixed support, the 9-the first hollow scrambler, the 10-the second hollow scrambler, 11-hysteresis brake, 12-master gear, 13-tested gear, 14-flipping block, 15-hold-down support, 16-movable bearing support, 17-back-moving spring, 18-rotating pin, 19-dividing head, 20-index hole, 21-clamping screw, 22-gear shaft mounting hole, 23-electric machine support.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1,2,3, 4, a kind of gear-driven accuracy test experimental bed, comprise pedestal 1, vertical ball-screw 2, the first screw slide, horizontal ball-screw 3, the second screw slide 4, driving gear shaft, driven gear shaft, switching mechanism 5 and drive motor 6, described the first screw slide is packed in pedestal 1 sidepiece, and the first screw slide is sleeved on vertical ball-screw 2, the first fixed support 7, the first fixed supports 7 are installed and vertically between ball-screw 2, are connected by bearing on vertical ball-screw 2 tops; Described switching mechanism 5 is arranged on the first fixed support 7, described drive motor 6 is arranged on switching mechanism 5, the motor shaft of drive motor 5 is connected with driving gear shaft by shaft coupling, on driving gear shaft, be set with the first hollow scrambler 9, at driving gear shaft end, master gear 12 be installed;
Described horizontal ball-screw 3 is arranged on pedestal 1 upper end by bearing seat, described the second screw slide 4 is sleeved on horizontal ball-screw 3, on the second screw slide 4, be fixed with the second fixed support 8, described driven gear shaft is vertically arranged on the second fixed support 8 by bearing, on driven gear shaft, be set with the second hollow scrambler 10, in driven gear shaft lower end, hysteresis brake 11 is installed, tested gear 13 is installed in driven gear shaft upper end, and tested gear 13 is corresponding with master gear 12.
Described switching mechanism 5 comprises flipping block 14, hold-down support 15, movable bearing support 16 and back-moving spring 17, described hold-down support 15 is packed on the first fixed support 7, on hold-down support 15, be horizontally disposed with rotating pin 18, on flipping block 14, be provided with pin-and-hole, flipping block 14 is sleeved on rotating pin 18 by pin-and-hole; Described movable bearing support 16 is connected with hold-down support 15 by back-moving spring 17, and on movable bearing support 16, be provided with 19, four dividing heads 19 of four dividing heads and be uniformly distributed ringwise, and on the longitudinal center line that is centered close to rotating pin 18 of annular; On flipping block 14, be provided with 20, four index holes 20 of four index holes and be uniformly distributed ringwise, and on the longitudinal center line that is centered close to rotating pin 18 of annular, dividing head 19 matches with index hole 20; Between described movable bearing support 16 and flipping block 14, be provided with clamping screw 21; On flipping block 14, be provided with gear shaft mounting hole 22, driving gear shaft is positioned at gear shaft mounting hole 22, and driving gear shaft is connected with flipping block 14 by bearing; Described drive motor 6 is by electric machine support 23 and flipping block 14 Joints.
Connection bearing between described driven gear shaft and the second fixed support 8 adopts sealed bead bearing, has ensured the rotating accuracy of driven gear shaft.
Connection bearing between described driving gear shaft and flipping block 14 adopts sealed bead bearing, has ensured the rotating accuracy of driving gear shaft.
Described drive motor 6 adopts servomotor.
Between described dividing head 19 and index hole 20, adopt interference fit.
The top of described dividing head 19 is conical structure, ensures that dividing head 19 can accurately enter in index hole 20.
Below in conjunction with a brief description of the drawings use procedure of the present utility model:
Application Example one
In the present embodiment, master gear 12 and tested gear 13 are cylindrical gear, before test, the master gear of having selected 12 and tested gear 13 are in place, flipping block 14 is horizontal, and master gear 12 is horizontal, and rotating vertical is to ball-screw 2, and then the height and position of adjustment master gear 12, it is alignd with tested gear 13, rotate horizontal ball-screw 3, adjust the horizontal level of tested gear 13, until tested gear 13 accurately engages with master gear 12, specifically as shown in Figure 1; Then the signal output part of the first hollow scrambler 9 and the second hollow scrambler 10 is connected with computing machine;
Start drive motor 6, drive master gear 12 to rotate, and then drive tested gear 13 to rotate, in master gear 12 rotation processes, the first hollow scrambler 9 can be by the data transmission gathering to computing machine, in moving tested gear 13 rotation processes, the second hollow scrambler 10 can, by the data transmission gathering to computing machine, now just can obtain the driving error value between master gear 12 and tested gear 13 on computers;
Wherein, in the time that the damping force moment of torsion of hysteresis brake 11 is set to zero, measured driving error value belongs to static error, represents the transmission accuracy of master gear under no-load condition 12 and tested gear 13; In the time that the damping force moment of torsion of hysteresis brake 11 is adjusted to real work moment of torsion, measured driving error value belongs to dynamic error, represents the transmission accuracy of master gear under loading condition 12 and tested gear 13.
Application Example two
In the present embodiment, master gear 12 and tested gear 13 are replaced by bevel gear, before replacing, rotating vertical is to ball-screw 2 and horizontal ball-screw 3 respectively, master gear 12 and tested gear 13 are fallen back on to non-interference position separately, now cylindrical gear is unloaded, and be replaced by bevel gear;
After gear has been changed, master gear 12 need to be turned over and turn 90 degrees, first unclamp clamping screw 21, manually pull out movable bearing support 16, make the circular cone top of four dividing heads 19 depart from four index holes 20, now flipping block 14 is turned over and turn 90 degrees vertical position from horizontal level, then unclamp movable bearing support 16, under back-moving spring 17 effects, movable bearing support 16 is pulled, four dividing heads 19 enter in four index holes 20 again simultaneously, finally clamping screw 21 are tightened, and now master gear 12 completes 90 degree upsets;
To ball-screw 2, adjust the height and position of master gear 12 by rotating vertical, by rotating horizontal ball-screw 3, adjust the horizontal level of tested gear 13, until tested gear 13 accurately engages with master gear 12, specifically as shown in Figure 5; Start drive motor 6, master gear 12 drives tested gear 13 to rotate, the first hollow scrambler 9, the second hollow scrambler 10 respectively by gather data transmission to computing machine, now just can obtain on computers the driving error value between master gear 12 and tested gear 13;
Wherein, in the time that the damping force moment of torsion of hysteresis brake 11 is set to zero, measured driving error value belongs to static error, represents the transmission accuracy of master gear under no-load condition 12 and tested gear 13; In the time that the damping force moment of torsion of hysteresis brake 11 is adjusted to real work moment of torsion, measured driving error value belongs to dynamic error, represents the transmission accuracy of master gear under loading condition 12 and tested gear 13.
Scheme in embodiment is not in order to limit scope of patent protection of the present utility model, allly do not depart from the equivalence that the utility model does and implements or change, and is all contained in the scope of the claims of this case.
Claims (7)
1. a gear-driven accuracy test experimental bed, it is characterized in that: comprise pedestal, vertical ball-screw, the first screw slide, horizontal ball-screw, the second screw slide, driving gear shaft, driven gear shaft, switching mechanism and drive motor, described the first screw slide is packed in pedestal sidepiece, and the first screw slide is sleeved on vertical ball-screw, on vertical ball-screw top, the first fixed support is installed, the first fixed support with vertically between ball-screw, be connected by bearing; Described switching mechanism is arranged on the first fixed support, described drive motor is arranged on switching mechanism, the motor shaft of drive motor is connected with driving gear shaft by shaft coupling, is set with the first hollow scrambler on driving gear shaft, at driving gear shaft end, master gear is installed;
Described horizontal ball-screw is arranged on pedestal upper end by bearing seat, described the second screw slide is sleeved on horizontal ball-screw, on the second screw slide, be fixed with the second fixed support, described driven gear shaft is vertically arranged on the second fixed support by bearing, on driven gear shaft, be set with the second hollow scrambler, in driven gear shaft lower end, hysteresis brake is installed, in driven gear shaft upper end, tested gear is installed, tested gear is corresponding with master gear.
2. a kind of gear-driven accuracy test experimental bed according to claim 1, it is characterized in that: described switching mechanism comprises flipping block, hold-down support, movable bearing support and back-moving spring, described hold-down support is packed on the first fixed support, on hold-down support, be horizontally disposed with rotating pin, on flipping block, be provided with pin-and-hole, flipping block is sleeved on rotating pin by pin-and-hole; Described movable bearing support is connected with hold-down support by back-moving spring, is provided with four dividing heads on movable bearing support, and four dividing heads are uniformly distributed ringwise, and on the longitudinal center line that is centered close to rotating pin of annular; On flipping block, be provided with four index holes, four index holes are uniformly distributed ringwise, and on the longitudinal center line that is centered close to rotating pin of annular, dividing head matches with index hole; Between described movable bearing support and flipping block, be provided with clamping screw; On flipping block, be provided with gear shaft mounting hole, driving gear shaft is positioned at gear shaft mounting hole, and driving gear shaft is connected with flipping block by bearing; Described drive motor is by electric machine support and flipping block Joint.
3. a kind of gear-driven accuracy test experimental bed according to claim 1, is characterized in that: the connection bearing between described driven gear shaft and the second fixed support adopts sealed bead bearing.
4. a kind of gear-driven accuracy test experimental bed according to claim 2, is characterized in that: the connection bearing between described driving gear shaft and flipping block adopts sealed bead bearing.
5. a kind of gear-driven accuracy test experimental bed according to claim 1, is characterized in that: described drive motor adopts servomotor.
6. a kind of gear-driven accuracy test experimental bed according to claim 2, is characterized in that: between described dividing head and index hole, adopt interference fit.
7. a kind of gear-driven accuracy test experimental bed according to claim 2, is characterized in that: the top of described dividing head is conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221858.6U CN203858106U (en) | 2014-04-30 | 2014-04-30 | Gear transmission accuracy testing experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221858.6U CN203858106U (en) | 2014-04-30 | 2014-04-30 | Gear transmission accuracy testing experiment table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858106U true CN203858106U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420221858.6U Withdrawn - After Issue CN203858106U (en) | 2014-04-30 | 2014-04-30 | Gear transmission accuracy testing experiment table |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969044A (en) * | 2014-04-30 | 2014-08-06 | 东北大学 | Experiment table for testing gear transmission precision |
| CN106404391A (en) * | 2016-11-22 | 2017-02-15 | 航天恒星科技有限公司 | Worm wheel and worm driving system driving return difference measuring device |
| CN106979862A (en) * | 2017-03-31 | 2017-07-25 | 苏州亚思科精密数控有限公司 | A kind of automatic jig for gear testing |
| CN107101547A (en) * | 2017-03-31 | 2017-08-29 | 苏州亚思科精密数控有限公司 | A kind of application method of gear testing frock |
| CN110196161A (en) * | 2019-06-17 | 2019-09-03 | 上海航天电子通讯设备研究所 | A kind of gear transmission chain accuracy test device |
| CN112284722A (en) * | 2020-10-22 | 2021-01-29 | 国网辽宁省电力有限公司电力科学研究院 | Device and method for monitoring abnormity of transmission gear of on-load tap-changer |
-
2014
- 2014-04-30 CN CN201420221858.6U patent/CN203858106U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969044A (en) * | 2014-04-30 | 2014-08-06 | 东北大学 | Experiment table for testing gear transmission precision |
| CN103969044B (en) * | 2014-04-30 | 2016-05-11 | 东北大学 | A kind of gear-driven accuracy test experimental bed |
| CN106404391A (en) * | 2016-11-22 | 2017-02-15 | 航天恒星科技有限公司 | Worm wheel and worm driving system driving return difference measuring device |
| CN106979862A (en) * | 2017-03-31 | 2017-07-25 | 苏州亚思科精密数控有限公司 | A kind of automatic jig for gear testing |
| CN107101547A (en) * | 2017-03-31 | 2017-08-29 | 苏州亚思科精密数控有限公司 | A kind of application method of gear testing frock |
| CN110196161A (en) * | 2019-06-17 | 2019-09-03 | 上海航天电子通讯设备研究所 | A kind of gear transmission chain accuracy test device |
| CN110196161B (en) * | 2019-06-17 | 2021-05-04 | 上海航天电子通讯设备研究所 | Gear drive chain precision testing device |
| CN112284722A (en) * | 2020-10-22 | 2021-01-29 | 国网辽宁省电力有限公司电力科学研究院 | Device and method for monitoring abnormity of transmission gear of on-load tap-changer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |