CN2261621Y - Friction moment meter for magnet floating counter - Google Patents
Friction moment meter for magnet floating counter Download PDFInfo
- Publication number
- CN2261621Y CN2261621Y CN 96236011 CN96236011U CN2261621Y CN 2261621 Y CN2261621 Y CN 2261621Y CN 96236011 CN96236011 CN 96236011 CN 96236011 U CN96236011 U CN 96236011U CN 2261621 Y CN2261621 Y CN 2261621Y
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- CN
- China
- Prior art keywords
- bearing
- measurement axis
- sleeved
- magnet ring
- support
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- Expired - Fee Related
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Abstract
The utility model relates to a friction moment meter for a magnetic floating counter, which comprises a lower support plate, a middle support plate which is fixed on a lower support post, and an upper support plate which is fixed on an upper support post. A sensor, an electric machine frame and a lower support are arranged on the lower support plate, wherein, the sensor is connected with a computer through a cable, and the electric machine frame is connected with a motor. A ball support and a working rotary plate which is connected with the motor through a belt are arranged on the middle support plate, and a support base which is provided with a spring leaf is arranged on the working rotary plate; an upper support and a hairspring holder which is connected with one end of a hairspring are arranged on the upper support plate, and a measurement shaft of a worm screw of a connecting sleeve at the other end of the hairspring is sheathed in the upper support, the ball support and the lower support. The utility model is characterized in that a magnetic floating bearing which is arranged on a cylindrical bearing is used as the lower support.
Description
The utility model belongs to the general metering of measuring torque, merit, mechanical output, mechanical efficiency, is specifically related to rotary-transmission dynamometer.
The patent No. is 92102903.9, denomination of invention is the Chinese patent of " friction moment tester for mechanical counter ", the lower support of measurement axis adopts centre support, this supporting in the course of the work, conical axle journal directly contacts with the taper hole jewel bearing, working long hours is easy to wearing and tearing, makes the moment of friction of supporting increase, and the measuring accuracy of instrument reduces, after the heavy wear, then need change supporting.In addition, in the course of work, dust is easy to fall in the lower support, makes the moment of friction of supporting increase, and needs often to clean lower support, has increased maintenance workload.
The purpose of this utility model is to overcome the shortcoming of above-mentioned friction moment tester for mechanical counter, provides that a kind of moment of resistance is little, long service life, the simple maglev type counter of maintenance rub-moment tester.
For achieving the above object, the solution that the utility model adopts is: it comprises lower carrier plate, is provided with three lower supporting rods, the electric machine support that connects with motor, sensor, lower support on lower carrier plate at least, and sensor is connected with computing machine by cable.It comprises the middle support plate that is fixed on the lower supporting rod, the bottom bracket of ball bearing is housed in establishing on middle support plate, the working rotary table axle sleeve that is connected as a single entity with working rotary table is sleeved in the ball bearing, and link by belt and the belt pulley that is arranged on the motor, on working rotary table, establish the bearing that spring leaf is housed, on middle support plate, be provided with three upper supporting columns at least.It comprises the upper supporting plate that is fixed on the upper supporting column, on upper supporting plate, be provided with hairspring holder and in the top chock of jewel bearing is housed, an end of hairspring is fixed on the hairspring holder.It also comprises measurement axis, and the upper end of measurement axis is arranged in the jewel bearing, the middle part is sleeved in the ball bearing, the bottom is sleeved in the lower support, and the other end of hairspring is fixed on the measurement axis, also is set with worm screw on the top of measurement axis.
Lower support of the present utility model comprises: be arranged on step on the lower carrier plate, be sleeved on the outer magnet ring cover of measurement axis, establish lower bearing and the magnetic bearing that is sleeved on outside the measurement axis in step and magnet ring cover.
Magnetic bearing of the present utility model is: be sleeved on the outer upper magnetic ring of measurement axis and be arranged in the magnet ring cover, be sleeved on the outer following magnet ring of measurement axis and be provided with on the lower bearing in the step.Lower bearing of the present utility model adopts cylindrical bearing, is alignment bearing.
The N of the upper magnetic ring of the utility model magnetic bearing extremely downwards the S utmost point N utmost point of the magnet ring S that makes progress is extremely downward up and down, or the S of upper magnetic ring extremely downwards the N utmost point S utmost point of the magnet ring N that makes progress is extremely downward up and down.
The utility model is compared with " friction moment tester for mechanical counter ", has the moment of friction that advantages such as measuring accuracy height, long service life, stable performance, maintenance be simple can be used for test mechanical formula counter.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the structural representation of light-shed disc among Fig. 1.
Below in conjunction with drawings and Examples the utility model is further described.
In Fig. 1,2, in the left side of lower carrier plate 14 1 side three lower supporting rods 15, right sides are installed electric machine support 13 is installed, lower supporting rod 15 is used for supporting support plate 9, on electric machine support 13, be fixed with motor 12, be connected with belt pulley 11 on the output shaft of motor 12, center at 14 3 lower supporting rods 15 of lower carrier plate is equipped with lower support, and the lower support of present embodiment is made of step 16, lower bearing 17, upper magnetic ring 19, following magnet ring 18,20 connections of magnet ring cover.Lower bearing 17 adopts cylindrical bearing, be alignment bearing, upper magnetic ring 19 and following magnet ring 18 constitute magnetic bearing of the present utility model, lower bearing 17 is installed in the step 16, magnet ring 18 down is installed above lower bearing 17, the N utmost point of following magnet ring 18 makes progress, S is extremely downward, outer cover at following axle bed 16 is equipped with magnet ring cover 20, in the magnet ring cover 20 upper magnetic ring 19 is housed, the N of upper magnetic ring 19 is extremely downward, the S utmost point makes progress, also can with descend magnet ring 18 be mounted to the S utmost point upwards, N is extremely downward, upper magnetic ring 19 be mounted to S extremely downwards, the N utmost point upwards.Magnetic bearing of the present utility model also can adopt electronic magnetic bearing.Sensor also is installed on lower carrier plate 14, the sensor of present embodiment is to be connected by sensor frame 22, luminotron 24, photosensitive tube 23, light-shed disc 21 to constitute, sensor frame 22 is fixedly mounted on the lower carrier plate 14, light-shed disc 21 is installed in the top of magnet ring cover 20, luminotron 24 is installed in the top that is positioned at light-shed disc 21 on the sensor frame 22, and photosensitive tube 23 is installed in the below that is positioned at light-shed disc 21 on the sensor frame 22.The angle of circumference of the light-shed disc 21 of present embodiment is that 240 ° outer is evenly equipped with 240 shading teeth 31, is used for the shield light signal.Photosensitive tube 23 is connected with computing machine by cable.
Support plate 9 is fixed on the upper end of lower supporting rod 15 in of the present utility model, center at 9 three lower supporting rods 15 of middle support plate is equipped with bottom bracket 25, ball bearing 26 is installed in bottom bracket 25, the working rotary table axle sleeve 27 that is connected as a single entity with working rotary table 28 is sleeved in the ball bearing 26, working rotary table axle sleeve 27 links by belt 10 and the belt pulley 11 that is installed on the motor 12, on working rotary table 28, be fixed with bearing 29, be fixed with spring leaf 30 on the bearing 29 and be used for mechanical counter is clamped.On middle support plate 9, also be fixed with three upper supporting columns 8, be used to support upper supporting plate 1.
Upper supporting plate 1 of the present utility model is fixed on the upper end of upper supporting column 8, center at 1 three upper supporting columns 8 of upper supporting plate is equipped with top chock 4, jewel bearing 5 is housed in the top chock 4, also is fixed with hairspring holder 2 on upper supporting plate 1, the outer end of hairspring 3 is fixed on the hairspring holder 2.
The upper end of measurement axis 6 is sleeved in the jewel bearing 5, the middle part is sleeved in the working rotary table axle sleeve 27, is set with light-shed disc 21, magnet ring cover 20, upper magnetic ring 19, the following magnet ring 18 of sensor in the bottom of measurement axis 6, and the lower end of measurement axis 6 is sleeved in the lower bearing 17.The inner of hairspring 3 is fixed on the top of measurement axis 6, goes back casing assembly worm 7 outside the top of measurement axis 6, and worm screw 7 is used for the worm gear engagement with tested mechanical counter.
Principle of work of the present utility model is as follows:
During the moment of friction of measurement mechanical formula counter, this counter is installed on the working rotary table 28, clamp with spring leaf 30 simultaneously, worm screw 7 engagements on the worm gear of this counter and the measurement axis 6, working rotary table 28 is done the uniform speed rotation around measurement axis 6 under the drive of motor 12, the counter torque M of the hairspring 3 on the measurement axis 6
TripMoment of friction M with mechanical counter
fBalance each other, i.e. the counter torque M of hairspring
TripEqual the moment of friction M of mechanical counter
f, and the counter torque M of hairspring
TripBe directly proportional with the rotational angle theta of measurement axis 6, i.e. M
Trip=K θ (K is a constant).The rotational angle theta of surveying measurement axis 6 can realize by sensor, the luminotron 24 of sensor sends visible light, shine on the grating dish 21 that is fixed on the measurement axis 6, light-shed disc 21 rotates in 240 ° scope, visible light is received by photosensitive tube 23 through the gap between light-shed disc 21 outers two shading teeth 31, and photosensitive tube 23 converts the light signal that is received to electric signal, send into computing machine and carry out data processing, by M
t=M
Trip=K θ calculates the moment of friction M of mechanical counter
f, and go out result of calculation by printer prints.
Claims (3)
1, a kind of maglev type counter friction torque testing instrument, it comprises:
Lower carrier plate [14], the electric machine support [13], sensor, the lower support that on lower carrier plate [14], be provided with three lower supporting rods [15] at least, connect with motor [12], sensor is connected with computing machine by cable;
Be fixed on the middle support plate [9] on the lower supporting rod [15], the bottom bracket [25] of ball bearing [26] is housed in establishing on middle support plate [9], the working rotary table axle sleeve [27] that is connected as a single entity with working rotary table [28] is sleeved in the ball bearing [26] and links by belt [10] and the belt pulley [11] that is arranged on the motor [12], on working rotary table [28], establish the bearing [29] that spring leaf [30] are housed, on middle support plate [9], also be provided with three upper supporting columns [8] at least.
Be fixed on the upper supporting plate [1] on the upper supporting column [8], on upper supporting plate [1], be provided with hairspring holder [2] and in the top chock [4] of jewel bearing [5] is housed, an end of hairspring [3] is fixed on the hairspring holder [2];
It also comprises measurement axis [6], the upper end of measurement axis [6] is arranged in the jewel bearing [5], the middle part is sleeved in the ball bearing [26], the lower end is sleeved in the lower support, the other end of hairspring [3] is fixed on the measurement axis [6], also is set with worm screw [7] on the top of measurement axis [6];
It is characterized in that above-mentioned lower support comprises: be arranged on step [16] on the lower carrier plate [14], be sleeved on the outer magnet ring cover [20] of measurement axis [6], in step [16] and magnet ring cover [20], establish lower bearing [17] and the magnetic bearing that is sleeved on outside the measurement axis [6].
2, according to the described maglev type counter of claim 1 friction torque testing instrument, it is characterized in that said magnetic bearing is: be sleeved on the outer upper magnetic ring [19] of measurement axis [6] and be arranged in the magnet ring cover [20], be sleeved on the outer following magnet ring [18] of measurement axis [6] and be arranged on the lower bearing [17] in the step [16]; Said lower bearing [17] is a cylindrical bearing.
3, according to claim 1 or 2 described maglev type counter friction torque testing instruments, it is characterized in that said magnetic bearing upper magnetic ring [19] N extremely downwards, the N utmost point of magnet ring [18] S that makes progress is extremely downward up and down for the S utmost point, or the S of upper magnetic ring [19] extremely downwards the N utmost point S utmost point of magnet ring [18] N that makes progress is extremely downward up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96236011 CN2261621Y (en) | 1996-06-28 | 1996-06-28 | Friction moment meter for magnet floating counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96236011 CN2261621Y (en) | 1996-06-28 | 1996-06-28 | Friction moment meter for magnet floating counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2261621Y true CN2261621Y (en) | 1997-09-03 |
Family
ID=33911926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96236011 Expired - Fee Related CN2261621Y (en) | 1996-06-28 | 1996-06-28 | Friction moment meter for magnet floating counter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2261621Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830041A (en) * | 2012-09-04 | 2012-12-19 | 济南美医林电子仪器有限公司 | Stepping scanning torque measuring device in magnetic-levitation bearing support structure |
| CN103292941A (en) * | 2013-01-05 | 2013-09-11 | 中国航空工业集团公司西安飞机设计研究所 | Flexible transmission mechanism friction force composition separating device and measuring method |
| CN111190340A (en) * | 2018-11-15 | 2020-05-22 | 尼瓦洛克斯-法尔股份有限公司 | Method for measuring the moment of a timepiece balance spring and production support tool system |
| CN111380634A (en) * | 2019-01-21 | 2020-07-07 | 山东省科学院激光研究所 | Fiber bragg grating torque real-time measurement system and measurement method |
-
1996
- 1996-06-28 CN CN 96236011 patent/CN2261621Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830041A (en) * | 2012-09-04 | 2012-12-19 | 济南美医林电子仪器有限公司 | Stepping scanning torque measuring device in magnetic-levitation bearing support structure |
| CN102830041B (en) * | 2012-09-04 | 2014-07-16 | 山东美医林电子仪器有限公司 | Stepping scanning torque measuring device in magnetic-levitation bearing support structure |
| CN103292941A (en) * | 2013-01-05 | 2013-09-11 | 中国航空工业集团公司西安飞机设计研究所 | Flexible transmission mechanism friction force composition separating device and measuring method |
| CN103292941B (en) * | 2013-01-05 | 2015-10-28 | 中国航空工业集团公司西安飞机设计研究所 | A kind of cable pulley system friction force forms tripping device and measuring method |
| CN111190340A (en) * | 2018-11-15 | 2020-05-22 | 尼瓦洛克斯-法尔股份有限公司 | Method for measuring the moment of a timepiece balance spring and production support tool system |
| CN111190340B (en) * | 2018-11-15 | 2021-09-17 | 尼瓦洛克斯-法尔股份有限公司 | Method for measuring the moment of a timepiece balance spring and production support tool system |
| US11921468B2 (en) | 2018-11-15 | 2024-03-05 | Nivarox-Far S.A. | Method and production support tooling for measuring the torque of a timepiece balance spring |
| CN111380634A (en) * | 2019-01-21 | 2020-07-07 | 山东省科学院激光研究所 | Fiber bragg grating torque real-time measurement system and measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |