CN202362594U - Device for testing torque of clockwork spring - Google Patents
Device for testing torque of clockwork spring Download PDFInfo
- Publication number
- CN202362594U CN202362594U CN2011205208722U CN201120520872U CN202362594U CN 202362594 U CN202362594 U CN 202362594U CN 2011205208722 U CN2011205208722 U CN 2011205208722U CN 201120520872 U CN201120520872 U CN 201120520872U CN 202362594 U CN202362594 U CN 202362594U
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- CN
- China
- Prior art keywords
- clockwork spring
- barrel
- barrel holder
- torque
- stepper motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electromechanical Clocks (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a device for testing torque of a clockwork spring. The device comprises a mechanical part and an electrical part, wherein the mechanical part is used for finishing the functions of transmission and fixing; the electrical part is used for controlling the clockwork spring winding number of turns and the angle of a stepping motor, collecting the torque output by a sensor in real time and realizing torque curve printing. With the adoption of the device for testing the torque of the clockwork spring, the drawbacks of the traditional device for testing the torque of the clockwork spring can be changed, the clockwork spring performance can be full-automatically detected, and the clockwork spring performance curve can be rapidly, stably and accurately tested, thereby thoroughly changing the former testing manner by utilizing the physical elastic deformation, and important significance is played in detecting the clockwork spring performance for the clockwork spring and clock manufacturers.
Description
Technical field
The utility model relates to and belongs to the clock and watch technical field, especially a kind of spring force torque test device.
Background technology
Clockwork spring is the energy of mechanical clock, and its quality good or not directly has influence on the timekeeping performance of clock and watch.For clockwork spring, general normal its volume that requires is little and moment is big, and the moment drop is little, and it is good etc. that antifatigue, diamagnetism reach corrosion resistivity by force.In clock and watch are produced, need to measure the M curve of clockwork spring, this is that the clockwork spring performance is the most directly expressed.
In associated production producers such as clockwork spring and clock and watch, must carry out the measurement of clockwork spring M curve, its traditional measurement method is to adopt the rigidity of clockwork spring and standard disc spring to compare.Under the production status of this batch; Traditional surveying instrument is because complex structure; Test speed is very slow, and the rigidity of standard disc spring can change with the length of the time of using, therefore can not make measurement data that a unified standard is arranged; The curve that often same clockwork spring records on different measuring instruments can create a difference, thereby has influence on the accuracy of clockwork spring performance evaluation.
The utility model content
The utility model technical matters to be solved is that the deficiency that is directed against prior art provides a kind of spring force torque test device.
A kind of spring force torque test device comprises mechanical part and electric part; Mechanical part is used to accomplish transmission and fixing function; Electric part is used for the last bar number of turns of control step motor and the control of angle, in real time the output torque of pick-up transducers and realize the printing of M curve; Said mechanical part comprises stepper motor, barrel holder, barrel holder revolving shaft, sensor shift fork; Stepper motor connects winding key; The barrel holder is used for fixing to be tested case structure, evenly is provided with the barrel pressing plate along circumference on the barrel holder, and the barrel pressing plate is used to be pressed in to be tested case structure, realizes the effect of stationary barrel mechanism; After the stationary barrel mechanism, bar case structure, barrel holder, barrel holder revolving shaft, sensor shift fork become one; When stepper motor drives the winding key rotation; When winding key drove the bar axle rotation in the bar case structure, the bar case structure is rotation in the opposite direction under the reacting force of clockwork spring, after the rotation of bar case structure; Can drive barrel holder, barrel holder turning axle and sensor shift fork rotates together; The sensor shift fork promptly is pressed on the sensor, and then sensor acquisition torque signals, exports to analog-to-digital conversion module and carries out analog to digital conversion.
Said spring force torque test device, said stepper motor is installed on the main guide rail, under the manipulation of lifting handle, can move up and down along this main guide rail.
Said spring force torque test device evenly is provided with six barrel pressing plates along circumference on the said barrel holder.
This spring force torque test device changes the drawback of traditional clockwork spring moment measuring instrument; It can automatically detect the clockwork spring performance; And can be fast, stable and measure the performance curve of clockwork spring accurately; Thoroughly changed the metering system that utilizes the physics elastic deformation in the past and realize, to the clockwork spring performance detection being had crucial meaning with clockwork spring and clock and watch manufacturer.
Description of drawings
Fig. 1 is the theory diagram of the spring force torque test device of the utility model;
Fig. 2 is the mechanical part structural representation of the utility model;
Fig. 3 is the barrel mechanism structure synoptic diagram of the utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.
With reference to figure 1, the spring force torque test device comprises mechanical part and electric part; Mechanical part is used to accomplish transmission and fixing function; Electric part is used for the last bar number of turns of control step motor and the control of angle, in real time the output torque of pick-up transducers and realize the printing of M curve.
Wherein said mechanical part structural drawing is as shown in Figure 2, and it comprises a stepper motor 1, and stepper motor 1 is installed on the main guide rail 2, under the manipulation of lifting handle 3, can move up and down along this main guide rail 2; Stepper motor 1 connects winding key 4; Barrel holder 5 is used for fixing to be tested case structure 6, evenly is provided with six barrel pressing plates 7 along circumference on the barrel holder, and barrel pressing plate 7 is used to be pressed in to be tested case structure 6, realizes the effect of stationary barrel mechanism 6; After the stationary barrel mechanism 6, bar case structure 6, barrel holder 5, barrel holder revolving shaft 8, sensor shift fork 9 become one.When stepper motor drives winding key 4 rotations; When winding key drove bar axle 61 rotations in the bar case structure 6, bar case structure 6 is rotation in the opposite direction under the reacting force of clockwork spring 60, after 6 rotations of bar case structure; Can drive barrel holder 5, barrel holder turning axle 8 and sensor shift fork 9 rotates together; Sensor shift fork 9 promptly is pressed on the sensor 10, and then sensor 10 acquisition torque signals, exports to analog-to-digital conversion module and carries out analog to digital conversion.Barrel holder fixing pin seat 11 is used for when barrel is installed, and guarantees that barrel holder 5 does not rotate, and sensor shift fork 9 does not contact with sensor 10, guarantees that so on the one hand the test initial value is zero, protects sensor on the other hand.
With reference to figure 3, bar case structure 6 comprises bar axle 61, barrel 62, clockwork spring 63.Earlier clockwork spring 63 dishes are gone in the barrel 6 during installation, and yielding attachment 631 is hooked on the barrel hook 621, then bar axle 61 is passed from the clockwork spring center; And hook in the clockwork spring 632 is hooked on the bar axle hook 611; The two ends of clockwork spring 63 just are separately fixed on barrel 62 and the bar axle 61 like this, because the material of clockwork spring is the metallic elastic material, are shaped as helix; When stepper motor 1 makes 61 rotations of bar axle through winding key 4 after; Bar axle hook 611 can curl gradually through the 632 drive clockwork springs 63 of hook in the clockwork spring and produce elastic deformation, and clockwork spring 63 rotates barrel 62 because of the elastic force that elastic deformation produces can act on the barrel hook 621 through yielding attachment 631.
This spring force torque test device uses ARM (STM32F103VET6) to be the main control chip, gives the stepper motor driver signal through the PWM control mode, and then makes stepper motor realize tightening or loosening up clockwork spring.The moment values that clockwork spring produced can be through mechanical transmission mechanism as media; Collect voltage signal by strain-gauge transducer and deliver to analog-to-digital conversion module; Accomplish simulating signal (voltage signal); Convert the digital signal that ARM can discern into, thereby the signal that collects is carried out processing operations, can control the demonstration that LED display carries out real-time moment values and real-time curve afterwards.After measuring end, also can measure the printing of M curve and measurement numerical value through printer, for analyzing or filing.
The course of work:
1, the pin on the barrel holder fixing pin seat 11 is inserted in the fixed orifice of barrel holder 5 sides, to guarantee that in the process of mounting bar case structure 6, barrel holder 5 does not rotate, sensor shift fork 9 does not contact with sensor 10.
2, bar case structure 6 is placed on the barrel holder 5, makes bar case structure 6 concentric, tighten barrel pressing plate 7 with the circle of reference on the barrel holder 5.
3, the rotation and lifting handle 3, and stepper motor 1 will descend along main guide rail 2, and the cubic face winding key 4 on the bar axle 61 is also got into wherein.
4, the pin on the barrel holder fixing pin seat 11 is extracted from the fixed orifice of barrel holder 5 sides.
5, through the keyboard on the electric control box, set the rotating cycle and the angle of stepper motor, press acknowledgement key.
6, the axle of stepper motor 1 drives the number of turns and the angle that the 61 above bar direction rotations of bar axle configure through winding key 4; Bar case structure 6 drives barrel barrel holder revolving shaft 8 and sensor shift fork 9 are with opposite spin, and sensor shift fork 9 is pressed in sensor 10 sensitive surface at this moment.Rotate to the number of turns and angle of appointment when stepper motor 1 after; Stepper motor 1 can be again to put the number of turns and the angle that configures before the rotation of bar direction; Up to the original state of recovering clockwork spring; Tighten and loosen the variation of the number of turns in the whole process along with clockwork spring, inductor is exported corresponding instant moment immediately, and these instant moments are printed as curve.
7, after stepper motor 1 quit work, instrument can finish through prompt tone prompting test process.
8, once more the pin on the barrel holder fixing pin seat 11 is inserted in the fixed orifice of barrel holder 5 sides, rotation and lifting handle 3 takes off the bar case structure, accomplishes test.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model accompanying claims according to above-mentioned explanation.
Claims (3)
1. a spring force torque test device is characterized in that, comprises mechanical part and electric part; Mechanical part is used to accomplish transmission and fixing function; Electric part is used for the last bar number of turns of control step motor and the control of angle, in real time the output torque of pick-up transducers and realize the printing of M curve; Said mechanical part comprises stepper motor, barrel holder, barrel holder revolving shaft, sensor shift fork; Stepper motor connects winding key; The barrel holder is used for fixing to be tested case structure, evenly is provided with the barrel pressing plate along circumference on the barrel holder, and the barrel pressing plate is used to be pressed in to be tested case structure, realizes the effect of stationary barrel mechanism; After the stationary barrel mechanism, bar case structure, barrel holder, barrel holder revolving shaft, sensor shift fork become one.
2. according to the said spring force torque test device of claim 1, it is characterized in that said stepper motor is installed on the main guide rail.
3. according to the said spring force torque test device of claim 1, it is characterized in that, evenly be provided with six barrel pressing plates along circumference on the said barrel holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205208722U CN202362594U (en) | 2011-12-14 | 2011-12-14 | Device for testing torque of clockwork spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205208722U CN202362594U (en) | 2011-12-14 | 2011-12-14 | Device for testing torque of clockwork spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202362594U true CN202362594U (en) | 2012-08-01 |
Family
ID=46573766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205208722U Expired - Fee Related CN202362594U (en) | 2011-12-14 | 2011-12-14 | Device for testing torque of clockwork spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202362594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278267A (en) * | 2013-04-27 | 2013-09-04 | 上海卫星工程研究所 | Spacecraft force exertion measuring device |
| CN114355747A (en) * | 2020-10-14 | 2022-04-15 | 斯沃奇集团研究和开发有限公司 | Winding device for automatic watch |
-
2011
- 2011-12-14 CN CN2011205208722U patent/CN202362594U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278267A (en) * | 2013-04-27 | 2013-09-04 | 上海卫星工程研究所 | Spacecraft force exertion measuring device |
| CN103278267B (en) * | 2013-04-27 | 2015-11-18 | 上海卫星工程研究所 | Spacecraft force exertion measurement mechanism |
| CN114355747A (en) * | 2020-10-14 | 2022-04-15 | 斯沃奇集团研究和开发有限公司 | Winding device for automatic watch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20181214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |