CN202171436U - Device for measuring helical angle of spring - Google Patents
Device for measuring helical angle of spring Download PDFInfo
- Publication number
- CN202171436U CN202171436U CN201120141001XU CN201120141001U CN202171436U CN 202171436 U CN202171436 U CN 202171436U CN 201120141001X U CN201120141001X U CN 201120141001XU CN 201120141001 U CN201120141001 U CN 201120141001U CN 202171436 U CN202171436 U CN 202171436U
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- China
- Prior art keywords
- slide bar
- spring
- measuring
- surveyingpin
- helix angle
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a device for measuring a helical angle of a spring, which is fast in measuring speed and high in precision. The device solves the problem that in the prior art, no device used for measuring the helical angle of the spring exists. The device comprises a pedestal, a measuring gauge head arranged on the pedestal and a transverse surveying pin, wherein the a rotatable measuring seat is arranged on the pedestal, the surveying pin is connected with a slide bar which can synchronously move along with the surveying pin, and an upper end portion of the slide bar is connected with a probe of the gauge head. The surveying pin is connected with the slide bar, the surveying pin rotates along with the spring and ascends along the helical angle of the spring, the slide bar ascends simultaneously, and the measuring gauge head obtains distance of movement the slide bar and directly converts the distance into the helical angle of the spring. The device is convenient in measuring, can be repeatedly used for multiple times and has no influence to the spring.
Description
Technical field
The utility model relates to a kind of measurement mechanism, the spring helix angle measurement mechanism that especially a kind of measuring speed is fast, precision is high.
Background technology
After processing, volute spring to detect spring; Whether each parameter of measuring spring adheres to specification; Helix angle is an important parameters in the volute spring; Helix angle guarantees the length of spring, also is a kind of important indicator that influence elastic force of spring that helix angle meets the requirements, and the pressurized of the spring perhaps restoring force of stressed generation adheres to specification.But volute spring does not also have ripe helix angle measurement mechanism.
Patent Office of the People's Republic of China has announced a CN201081685Y patent on July 2nd, 2008, name is called portable cylindrical gear helix angle precision measuring instrument.Utilize form concentric spirals line tangent screw angle to equate principle design everywhere; Utilize two spheric probe structure measurement teeth groove helix angles; Two spheric probes link through set nut and crossbeam; Circular index plate and calibration display disc link through calibration display disc set lever, and circular index plate links through crossbeam set lever and crossbeam again, on the calibration display disc concave station trimming handle is housed.This kind scheme not too is fit to be used for the helix angle of measuring spring.
The measuring method of a CN101769724A helical angle of inner-grooved copper tube was disclosed on July 7th, 2010; This method need provide following instrument or equipment; Comprise scissors, rubber hammer, straight steel ruler 1, image detector or protractor; Described measuring method comprises the steps: with scissors is disposable tubing vertically to be cut open, with the rubber hammer tubing is flattened; Two intersection point A1, A2 with straight steel ruler 1 connection hatching line and tubing xsect form confirm measuring basis line A1, A2 perpendicular to tubing axial line MN; X ° of the angle angle that forms with image detector or protractor measuring basis line and threaded line; Calculate the helix angle of inner screw thread copper pipe: β=90 °-X °.After this destruction again measuring mode also be not suitable for the helix angle of measuring spring.
Summary of the invention
The utility model has solved the problem of device of helix angle of measuring spring of not being used in the prior art, and a kind of spring helix angle measurement mechanism is provided, and the helix angle of measuring spring is not destroyed spring quickly and easily, and easy to use and efficiency of measurement is than higher.
The utility model solves the technical scheme that its technical matters adopted: a kind of spring helix angle measurement mechanism; Comprise base, be arranged at the measurement gauge outfit on the base; Base is provided with rotatable measuring seat; Measurement mechanism also comprises horizontal surveyingpin, and surveyingpin is connected with the synchronization-moving slide bar of surveyingpin, and the upper end of slide bar contacts with the probe of gauge outfit.Measuring seat can rotate, and spring is placed on the measuring seat, and along with measuring seat rotates synchronously, surveyingpin is in horizontal state; Surveyingpin is inserted in the spring and with spring and contacts, and spring rotates and is, surveyingpin rises along helix angle, and slide bar is along with surveyingpin moves up synchronously simultaneously; The probe of measuring gauge outfit will be compressed in the upper end of slide bar, thereby on probe, shows measurement data, and what directly measure is the displacement of slide bar; In conjunction with the angle of spring rotation, just can be converted into the helix angle of spring, can be arranged to 90 °, 180 °, 360 ° such as measuring gauge outfit; Each angle all has corresponding distance transform to become the formula place of helix angle, and spring turns over 90 ° or 180 ° or 360 °, and the displacement of slide bar is all different; Just can obtain the helix angle of spring after both mutually combine, this measurement mechanism need not destroy spring; And measure ratio faster, efficiency ratio is higher, uses also very convenient; And slide bar and surveyingpin can be many groups, also can be that a slide bar cooperates many surveyingpins, and measuring speed is accelerated in convenient contrast.
As preferably, the upper end of measuring seat is a cylinder, and the pars intermedia of measuring seat is a disk, and the diameter of disk is greater than the diameter of cylinder, and the lower surface of disk is provided with joint pin, and joint pin is connected with base through bearing.The cylinder of measuring seat upper end is used for being nested with spring, and spring is nested with on cylinder and has disk to support, and spring is along with measuring seat rotates synchronously, and the joint pin outer cover is equipped with bearing, and resistance ratios is less when making the measuring seat rotation.
As preferably, base is square, and the middle part of base is provided with counterbore, and bearing is embedded in the counterbore.Bearing is embedded in the counterbore, and it is more stable to make that measuring seat connects, and the measuring seat rotation can not produce circular conical surface, around the center line rotation of measuring seat, guarantees that the surveyingpin data measured is more accurate all the time.
As preferably, be fixed with slider block on the base, the side of slider block covers and is connected with the slide bar pressing plate; The surface of slider block is provided with the slide bar passage, and slide bar is through in the slide bar passage, and the slide bar pressing plate covers the slide bar passage; The slide bar pressing plate is provided with vertical slideway, and surveyingpin penetrates in the slideway.Slide bar pressing plate and slider block are fixed slide bar, and it is more smooth that the slide bar passage guarantees that slide bar moves up and down, and deflection can not occur; Guarantee that surveyingpin is that axis direction along spring moves, the slide bar passage can be the circular trough of an opening directly on slider block, offering, and seals with the slide bar pressing plate; Also can be made up of two semicircles, half is arranged on the surface of slider block, and second half is arranged on the slide bar clamp surface; Vertical slideway on the slide bar pressing plate guarantees that surveyingpin does not move up and down smoothly and can interfere, and perhaps slide bar is arranged to semicircle shape, and the slide bar passage also is semicircle shape; The slide bar pressing plate is a slab construction, can place slide bar like this and rotate.
As preferably, slider block is arranged on the side of measuring seat, and surveyingpin and slide bar are perpendicular, and surveyingpin points to the center line of measuring seat.So just can guarantee that the data that surveyingpin records are more accurate.
As preferably, the side of slider block is provided with vertical circular hole, is inserted with connecting link in the circular hole, and trip bolt screws in and connecting link is fixed on the circular hole from the sidewall of circular hole.Connecting link is used for connecting measures gauge outfit, and the measurement gauge outfit moves up and down along connecting link and is used for regulating zero point.
As preferably, to measure gauge outfit and be fixed on the gauge stand, gauge stand is fixed on the connecting link through knob.
The beneficial effect of the utility model is: surveyingpin is connected with slide bar, and surveyingpin is along with spring rotates, along the helix angle rising of spring; Slide bar also moves up simultaneously; Measure gauge outfit and learn the distance that slide bar moves, and be converted into the helix angle of spring, convenient measurement through probe; Can unlimitedly repeat, can not impact spring.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is a kind of vertical view of the utility model;
Among the figure: 1, base, 2, bearing, 3, slider block, 4, spring, 5, gauge stand, 6, connecting link, 7, measure gauge outfit, 8, slide bar, 9, the slide bar pressing plate, 10, surveyingpin, 11, measuring seat, 12, cylinder, 13, joint pin.
Embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: a kind of spring helix angle measurement mechanism (referring to accompanying drawing 1 accompanying drawing 2), comprise the square base 1 that is in extreme lower position, the center of base is provided with counterbore, and counterbore has been embedded in bearing 2; The bearing internal fixation has measuring seat 11, and measuring seat is middle font structure, and the upper end is a cylinder, and the centre is a disk; The lower end is a joint pin 13, and joint pin and bearing match, and is fixed with slider block 3 on the base, and slider block is fixed on the measuring seat limit; Slider block is provided with the slide bar passage of vertical circle towards the side of measuring seat, the vertical surface of slide bar passage is a notching construction, is fixed with slide bar pressing plate 9 on the slider block; The slide bar pressing plate covers the slide bar passage, is inserted with slide bar 8 in the slide bar passage, and the middle part of slide bar is provided with horizontal surveyingpin 10; Surveyingpin and slide bar are perpendicular, and surveyingpin points to the center line line direction of measuring seat, the surperficial flush of slide bar pressing plate and slider block; The side of slider block is provided with vertical circular hole, is inserted with connecting link 6 in the circular hole, and trip bolt screws in and connecting link is fixed on the circular hole from the sidewall of circular hole; Be fixed with horizontal gauge stand 5 on the connecting link, be fixed with on the gauge stand and measure gauge outfit 7, the probe of measuring gauge outfit contacts with the upper end of slide bar.
Spring 4 to be measured is placed on the measuring seat, and spring is nested with on the cylinder, and surveyingpin inserts and point to the center line of spring from the side of spring; The probe of measuring gauge outfit contacts with the upper end of slide bar, and gauge stand moves up and down along connecting link, regulates the zero point of measuring gauge outfit; After zeroing is accomplished gauge stand is fixed, selected to measure on the gauge outfit 180 ° formula, with measuring seat Rotate 180 °; Surveyingpin rises along the helix angle of spring; Slide bar is measured gauge outfit and is produced reading along with surveyingpin rises synchronously, and this reading is exactly through the corresponding helix angle of the spring of conversion.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (7)
1. spring helix angle measurement mechanism; Comprise base (1), be arranged at the measurement gauge outfit (7) on the base; It is characterized in that base is provided with rotatable measuring seat (11); Measurement mechanism also comprises horizontal surveyingpin (10), and surveyingpin is connected with the synchronization-moving slide bar of surveyingpin (8), and the upper end of slide bar contacts with the probe of gauge outfit.
2. spring helix angle measurement mechanism according to claim 1; The upper end that it is characterized in that measuring seat is cylinder (12); The pars intermedia of measuring seat is disk (13); The diameter of disk is greater than the diameter of cylinder, and the lower surface of disk is provided with joint pin, and joint pin is connected with base through bearing (2).
3. spring helix angle measurement mechanism according to claim 2 is characterized in that base is square, and the middle part of base is provided with counterbore, and bearing is embedded in the counterbore.
4. according to claim 1 or 2 or 3 described spring helix angle measurement mechanisms; It is characterized in that being fixed with on the base slider block (3), the side of slider block covers and is connected with slide bar pressing plate (9), and the surface of slider block is provided with the slide bar passage; Slide bar is through in the slide bar passage; The slide bar pressing plate covers the slide bar passage, and the slide bar pressing plate is provided with vertical slideway, and surveyingpin penetrates in the slideway.
5. spring helix angle measurement mechanism according to claim 4 is characterized in that slider block is arranged on the side of measuring seat, and surveyingpin and slide bar are perpendicular, and surveyingpin points to the center line of measuring seat.
6. according to claim 1 or 2 or 3 described spring helix angle measurement mechanisms, it is characterized in that the side of slider block is provided with vertical circular hole, be inserted with connecting link (6) in the circular hole, trip bolt screws in and connecting link is fixed on the circular hole from the sidewall of circular hole.
7. spring helix angle measurement mechanism according to claim 6 is characterized in that measuring gauge outfit and is fixed on the gauge stand (5), and gauge stand is fixed on the connecting link through knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120141001XU CN202171436U (en) | 2011-05-06 | 2011-05-06 | Device for measuring helical angle of spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120141001XU CN202171436U (en) | 2011-05-06 | 2011-05-06 | Device for measuring helical angle of spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171436U true CN202171436U (en) | 2012-03-21 |
Family
ID=45829631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120141001XU Expired - Lifetime CN202171436U (en) | 2011-05-06 | 2011-05-06 | Device for measuring helical angle of spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202171436U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613853A (en) * | 2015-01-30 | 2015-05-13 | 江西铜业技术研究院有限公司 | Measuring tool and measuring method for helical angle of inner-threaded copper tube |
| CN107883849A (en) * | 2017-12-08 | 2018-04-06 | 湖北民族学院 | Drill bit back angle measuring apparatus and measuring method |
| CN110579163A (en) * | 2019-08-30 | 2019-12-17 | 太原科技大学 | Device for measuring central angle between through holes on flange plate |
| CN111141197A (en) * | 2020-01-19 | 2020-05-12 | 宝银特种钢管有限公司 | Device and method for measuring phase angles at two ends of spiral coil pipe |
-
2011
- 2011-05-06 CN CN201120141001XU patent/CN202171436U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613853A (en) * | 2015-01-30 | 2015-05-13 | 江西铜业技术研究院有限公司 | Measuring tool and measuring method for helical angle of inner-threaded copper tube |
| CN107883849A (en) * | 2017-12-08 | 2018-04-06 | 湖北民族学院 | Drill bit back angle measuring apparatus and measuring method |
| CN110579163A (en) * | 2019-08-30 | 2019-12-17 | 太原科技大学 | Device for measuring central angle between through holes on flange plate |
| CN111141197A (en) * | 2020-01-19 | 2020-05-12 | 宝银特种钢管有限公司 | Device and method for measuring phase angles at two ends of spiral coil pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120321 |