CN204064154U - For the aid that screw is measured - Google Patents
For the aid that screw is measured Download PDFInfo
- Publication number
- CN204064154U CN204064154U CN201420453030.3U CN201420453030U CN204064154U CN 204064154 U CN204064154 U CN 204064154U CN 201420453030 U CN201420453030 U CN 201420453030U CN 204064154 U CN204064154 U CN 204064154U
- Authority
- CN
- China
- Prior art keywords
- screw
- bar shaped
- pin
- aid
- dial framework
- 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
Links
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of aid measured for screw, this aid is for measuring the verticality of screw axis relative to end surface of screw hole and the position degree of screw group, and this aid comprises: with the dial gauge of mandrel; With the measurement pin of flange, the upper end measuring pin has the face of cylinder, and the lower end measuring pin has the threaded post of mating with screw, and flange is located at the middle part of measurement pin and flange has in the side near threaded post the locating surface can fitted with end surface of screw hole; Bar shaped dial framework, its one end is used for bar shaped dial framework to be arranged on the upper end of measuring pin and bar shaped dial framework can rotate around measurement pin, and the other end of bar shaped dial framework is used for fixing installation dial gauge.Utilize this aid, measurement result is accurate, reduces the dispute of measurement result.
Description
Technical field
The utility model relates to machining tools art, and particularly a kind of axis measuring screw is relative to the aid of the verticality of end surface of screw hole and the position degree of screw group.
Background technology
In machine-building screw (group) geometrical property project detection in, everyly relate to the detection of measuring the verticality in face, screw axis opposite end and the position degree project of screw group, general three coordinate machines generally can be adopted to measure or appliance special for detecting is measured.But, when adopting three coordinate machines to measure, it adopts point-like gauge head (or spherical gauge head) to measure, after outputing screw thread, often because of position uncertain (sometimes at crest, sometimes at the bottom of tooth) that spherical gauge head measuring position falls into screw thread, there is larger dispute in measurement result, be unfavorable for quality control, and Measuring Time is longer, efficiency is low.For the detection of the position degree project of screw group, because screw component cloth is different, appliance special for detecting does not have versatility and more difficult enforcement.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
The purpose of this utility model is to provide a kind of aid measured for screw, and by correctly simulating the axis of screw, accurately can measure the verticality of axis relative to end surface of screw hole and the position degree of screw group of screw, measurement result is accurate.
For achieving the above object, the utility model provides a kind of aid measured for screw, and this aid is for measuring the verticality of screw axis relative to end surface of screw hole and the position degree of screw group, and this aid comprises: with the dial gauge of mandrel; With the measurement pin of flange, the upper end measuring pin has the face of cylinder, and the lower end measuring pin has the threaded post of mating with screw, and flange is located at the middle part of measurement pin and flange has in the side near threaded post the locating surface can fitted with end surface of screw hole; Bar shaped dial framework, its one end is used for bar shaped dial framework to be arranged on the upper end of measuring pin and bar shaped dial framework can rotate around measurement pin, and the other end of bar shaped dial framework is used for fixing installation dial gauge.
Preferably, bar shaped dial framework can be arranged on by sleeve assembly the upper end measuring pin, and sleeve assembly comprises: axle sleeve, and its upper end is used for fixing the one end being arranged on bar shaped dial framework, the lower end of axle sleeve is used for being enclosed within the face of cylinder of the upper end measuring pin, the lower end endoporus clearance fit of the face of cylinder and axle sleeve; Steel ball and blocking, the upper end that steel ball is located at axle sleeve is inner, and the upper end that blocking is located at axle sleeve is used for sealing steel ball, and the upper end measuring pin when measuring the lower end of the face of cylinder insertion axle sleeve of the upper end of pin is connected to the surface of steel ball.
Preferably, one end of bar shaped dial framework has the first mounting hole, first resilient bushing is installed in the first mounting hole, the sidewall of one end of bar shaped dial framework is provided with the first lock-screw, the upper end of axle sleeve can to insert in the first resilient bushing and can by the first lock-screw by the upper end locking of axle sleeve in the first resilient bushing.
Preferably, the other end of bar shaped dial framework is provided with some second mounting holes, in each second mounting hole, the second resilient bushing is installed, the sidewall of the bar shaped dial framework corresponding with the second mounting hole is provided with the second corresponding lock-screw, is locked in the second resilient bushing by dial gauge when the mandrel of dial gauge inserts the second resilient bushing by the second lock-screw.
Preferably, some second mounting holes are divided into two rows, and often ranked second mounting hole spaced set.
Preferably, the face of cylinder comprises two sections, and the periphery between the two sections face of cylinder is provided with reticulate pattern.
Preferably, flange has elasticity.
Compared with prior art, the utility model has following beneficial effect: by designing a middle part with elastic flange and the afterbody measurement pin with two sections of isometrical external cylindrical surfaces, the axis of screw thread is drawn part under the pitch diameter of thread works condition outside, correctly can simulate screw axis (when measuring screw group position degree, image data is unified with that section of face of cylinder near flange root), decrease the dispute of measurement result; In addition, two sections of isometrical external cylindrical surfaces that endoporus and the measurement of axle sleeve are sold match, tolerance clearance is less than 0.005mm, measure the top of pin by a steel ball contact (steel ball falls in the center pit of the end face measuring pin) simultaneously, contact friction is very little, further reduce squareness measurement error, whole measuring process is simple and safe, accuracy of reading.
Accompanying drawing explanation
Fig. 1 is the schematic front view according to the aid for screw measurement of the present utility model;
Fig. 2 is Fig. 1 is the middle cross-sectional schematic along A-A direction;
Fig. 3 is the schematic top plan view according to the aid for screw measurement of the present utility model;
Fig. 4 is according to the structural representation for bar shaped dial framework in the aid of screw measurement of the present utility model;
Fig. 5 be measure for screw according to of the present utility model aid bottom bracket axle, steel ball and blocking assembling schematic diagram;
Fig. 6 is the schematic perspective view according to the aid bottom bracket axle for screw measurement of the present utility model;
Fig. 7 is the cross-sectional schematic measuring pin according to the aid for screw measurement of the present utility model;
Fig. 8 is the schematic perspective view measuring pin according to the aid for screw measurement of the present utility model;
Fig. 9 utilizes the aid for screw measurement of the present utility model to carry out measuring the schematic diagram of screw relative to the verticality of end surface of screw hole.
Main Reference Numerals illustrates:
1-measures pin, 2-bar shaped dial framework, 21-first mounting hole, 22-second mounting hole, 31-axle sleeve, 32-steel ball, and 33-blocks, 41-first resilient bushing, 42-second resilient bushing, 51-first lock-screw, 52-second lock-screw.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole instructions and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
As shown in Figure 1 to Figure 3, according to a kind of aid measured for screw of the utility model embodiment, this aid is for measuring the verticality of screw axis relative to end surface of screw hole and the position degree of screw group, this aid comprises the dial gauge 6 with mandrel, with the measurement pin 1 of flange, bar shaped dial framework 2, wherein, the upper end measuring pin 1 has the face of cylinder, in the present embodiment, the face of cylinder comprises two sections (see Fig. 7, be labeled as 11a and 11b respectively), the lower end measuring pin 1 has the threaded post 12 of mating with screw, flange 13 is located at the middle part of measurement pin 1 and flange 13 has in the side near threaded post 23 locating surface (unmarked in figure) can fitted with end surface of screw hole.One end of bar shaped dial framework 2 is used for bar shaped dial framework 2 to be arranged on the upper end of measuring pin 1 and bar shaped dial framework 2 can rotate around measurement pin 1, the other end of bar shaped dial framework 2 is used for fixing installs dial gauge 6, in the present embodiment, bar shaped dial framework 2 can be arranged on by sleeve assembly the upper end measuring pin 1, when measuring verticality relative to end surface of screw hole of screw axis, the threaded post 12 measuring the lower end of pin 1 is screwed in screw, then bar shaped dial framework 2 is arranged on the upper end measuring pin 1 by sleeve assembly, install dial gauge 6 and carry out pressure table handling (also weighed zero-bit, pressure table makes the gauge outfit contact end surface of screw hole of dial gauge 6, i.e. reference field), dial gauge 6 is rotated a circle around measurement pin 1 by bar shaped dial framework 2, the difference of reading of dial gauge 6 can be drawn, and then the error of perpendicularity of tested screw relative to reference field can be drawn by converting.
In such scheme, sleeve assembly comprises axle sleeve 31, steel ball 32 and blocking 33, the upper end of axle sleeve 31 is used for fixing the one end being arranged on bar shaped dial framework 2, the lower end of axle sleeve 31 is used for being enclosed within the face of cylinder of the upper end measuring pin 1, the lower end endoporus clearance fit of the face of cylinder and axle sleeve 31, tolerance clearance is less than 0.005mm.As shown in Figure 5, the inside, upper end of axle sleeve 31 has step, steel ball 32 is contained in the inside, upper end of axle sleeve 31 and is connected on step, the upper end that blocking 33 is located at axle sleeve 31 is used for sealing steel ball 32, the upper end measuring pin 1 when measuring the lower end of the face of cylinder insertion axle sleeve 31 of the upper end of pin 1 is connected to the surface (see Fig. 1) of steel ball 32, the upper end end face wherein measuring pin 1 has center pit (see Fig. 7), steel ball 32 falls in center pit, contact friction is very little, further reduces squareness measurement error.When concrete installation shaft grip assembly, can realize like this, as shown in Figure 4, one end of bar shaped dial framework 2 is provided with the first mounting hole 21, first resilient bushing 41 (see Fig. 3) is installed in the first mounting hole 21, the sidewall of one end of bar shaped dial framework 2 is provided with the first lock-screw 51 (see Fig. 3), the upper end of axle sleeve 31 can to insert in the first resilient bushing 41 and can by the first lock-screw 51 by the upper end locking of axle sleeve 31 in the first resilient bushing 41.In addition, the other end of bar shaped dial framework 2 is provided with some second mounting holes 22, second resilient bushing 42 (see Fig. 3) is installed in each second mounting hole 22, the sidewall of the bar shaped dial framework 2 corresponding with the second mounting hole 22 is provided with the second corresponding lock-screw 52 (see Fig. 3), is locked in the second resilient bushing 42 by dial gauge 6 when the mandrel of dial gauge 6 inserts the second resilient bushing 42 by the second lock-screw 52.In the present embodiment, some second mounting holes 22 are divided into two rows, and often ranked second mounting hole spaced set (see Fig. 4), and the pitch of holes of each second mounting hole 22 and the first mounting hole 21 is determined, such design second mounting hole 22, can install dial gauge 6 at the diverse location of distance the first mounting hole 21, also namely dial gauge 6 can be selected to install with the position of screw different distance to be measured.
In addition, the periphery between the two sections face of cylinder is provided with reticulate pattern (not shown), tightens fast and easy, decreases Measuring Time and reduces operation easier.
As a kind of preferred embodiment, flange 13 has elasticity, particularly, flange 13 comprises the elastic body 131 (see Fig. 8) of some spaced sets, between elastic body 131, there is certain angle, such as 0.5 °, when measuring verticality project to end surface of screw hole of the axis of screw, measurement pin 1 is screwed in tested screw, there is provided thread spindle to tightening force by the distortion of elastic flange, laminating is stable, registration, rely on the two sections of faces of cylinder measuring pin 1 axis of screw can be simulated out, ensure the reliability of measurement data.
As shown in Figure 9, when concrete this aid of use, concrete steps are as follows:
1, screw perpendicularity measuring method:
1) first measurement pin 1 is screwed into tested screw (screw effective length L), until the locating surface measured on the flange of pin 1 contacts with end surface of screw hole and fits good.
2) select suitable (the second mounting hole 22) clamping dial gauge 6 at the other end of bar shaped dial framework 2, here, hole, each dial gauge hole can first be measured to the distance R of rotation center hold (the first mounting hole 21).
3) axle sleeve 31 is inserted on the face of cylinder measuring pin 1.
4) bar shaped dial framework 2 is inserted in sleeve assembly, the relative position of adjustment sleeve assembly and bar shaped dial framework 2, makes percentage gauge pressure table, and locks with lock-screw 51.
5) rotate bar shaped dial framework 2 with hand, read the difference of reading △ h of dial gauge 6 in the scope that rotates a circle.
6) f=L* △ h/2R is calculated as the error of perpendicularity of tested screw to reference field.
2, screw group position measurement method:
1) first measurement pin 1 is screwed into tested each screw (some measurement pins 1 equally), until the locating surface measured on the flange of pin 1 contacts with end surface of screw hole and fits good.
2) utilize measurement pin 1 near that section of face of cylinder of flange 13 root, adopt three coordinate machines to measure the relative position degree of screw groups.
3, measure terminate after will by aid cotton wiped clean and the preservation that oils.
In a word, this instrument by design middle part with elastic flange and the afterbody measurement pin with two sections of isometrical external cylindrical surfaces, the axis of screw thread is drawn part under the pitch diameter of thread works condition outside, correctly can simulate screw axis (when measuring screw group position degree, image data is unified with that section of face of cylinder near flange root), decrease the dispute of measurement result; In addition, two sections of isometrical external cylindrical surfaces that endoporus and the measurement of axle sleeve are sold match, tolerance clearance is less than 0.005mm, measure the top of pin by a steel ball contact (steel ball falls in the center pit of the end face measuring pin) simultaneously, contact friction is very little, further reduce squareness measurement error, whole measuring process is simple and safe, accuracy of reading.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (7)
1., for the aid that screw is measured, this aid is for measuring the verticality of screw axis relative to end surface of screw hole and the position degree of screw group, and it is characterized in that, this aid comprises:
With the dial gauge of mandrel;
With the measurement pin of flange, the described upper end measuring pin has the face of cylinder, the described lower end measuring pin has the threaded post of mating with described screw, and described flange is located at the middle part of described measurement pin and described flange has in the side near described threaded post the locating surface can fitted with described end surface of screw hole; And
Bar shaped dial framework, its one end be used for described bar shaped dial framework to be arranged on described measure pin upper end and described bar shaped dial framework can rotate around described measurements pin, the other end of described bar shaped dial framework is used for fixing the described dial gauge of installation.
2. the aid measured for screw according to claim 1, is characterized in that, described bar shaped dial framework can be arranged on the described upper end measuring pin by sleeve assembly, and described sleeve assembly comprises:
Axle sleeve, its upper end is used for fixing the one end being arranged on described bar shaped dial framework, and the lower end of described axle sleeve is used for being enclosed within the described face of cylinder measuring the upper end of pin, the lower end endoporus clearance fit of the described face of cylinder and described axle sleeve;
Steel ball and blocking, the upper end that described steel ball is located at described axle sleeve is inner, the upper end that described blocking is located at described axle sleeve is used for sealing described steel ball, and when the lower end of described axle sleeve is inserted on the face of cylinder of the upper end of described measurement pin, the described upper end measuring pin is connected to the surface of described steel ball.
3. the aid measured for screw according to claim 2, it is characterized in that, one end of described bar shaped dial framework has the first mounting hole, in described first mounting hole, the first resilient bushing is installed, the sidewall of one end of described bar shaped dial framework is provided with the first lock-screw, the upper end of described axle sleeve can to insert in described first resilient bushing and can by described first lock-screw by the upper end locking of described axle sleeve in described first resilient bushing.
4. the aid measured for screw according to claim 3, it is characterized in that, the other end of described bar shaped dial framework is provided with some second mounting holes, in each second mounting hole, the second resilient bushing is installed, the sidewall of the bar shaped dial framework corresponding with described second mounting hole is provided with the second corresponding lock-screw, is locked in described second resilient bushing by described dial gauge when the mandrel of described dial gauge inserts described second resilient bushing by described second lock-screw.
5. the aid measured for screw according to claim 4, it is characterized in that, some second mounting holes are divided into two rows, and often ranked second mounting hole spaced set.
6. the aid measured for screw according to claim 1, it is characterized in that, the described face of cylinder comprises two sections, and the periphery between the two sections face of cylinder is provided with reticulate pattern.
7. the aid measured for screw according to claim 1, it is characterized in that, described flange has elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453030.3U CN204064154U (en) | 2014-08-12 | 2014-08-12 | For the aid that screw is measured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453030.3U CN204064154U (en) | 2014-08-12 | 2014-08-12 | For the aid that screw is measured |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204064154U true CN204064154U (en) | 2014-12-31 |
Family
ID=52205645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420453030.3U Expired - Fee Related CN204064154U (en) | 2014-08-12 | 2014-08-12 | For the aid that screw is measured |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204064154U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990477A (en) * | 2015-07-10 | 2015-10-21 | 广西玉柴机器股份有限公司 | Clutch housing runout inspection fixture |
| CN109579672A (en) * | 2018-11-27 | 2019-04-05 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of turbine disc mortise deviation detecting device and method |
| CN113108666A (en) * | 2021-04-07 | 2021-07-13 | 常州宝菱重工机械有限公司 | Position measuring method for threaded mounting hole with orifice in deep hole |
-
2014
- 2014-08-12 CN CN201420453030.3U patent/CN204064154U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990477A (en) * | 2015-07-10 | 2015-10-21 | 广西玉柴机器股份有限公司 | Clutch housing runout inspection fixture |
| CN104990477B (en) * | 2015-07-10 | 2017-10-31 | 广西玉柴机器股份有限公司 | Clutch housing bounce gauge |
| CN109579672A (en) * | 2018-11-27 | 2019-04-05 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of turbine disc mortise deviation detecting device and method |
| CN113108666A (en) * | 2021-04-07 | 2021-07-13 | 常州宝菱重工机械有限公司 | Position measuring method for threaded mounting hole with orifice in deep hole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104101282A (en) | Auxiliary tool for screw hole measurement | |
| CN105509595B (en) | Beating degree detection equipment | |
| CN204064154U (en) | For the aid that screw is measured | |
| CN101813477A (en) | Bolting type target base special for laser tracking measuring instrument | |
| CN2914030Y (en) | Precision measurement instrument | |
| CN105486504B (en) | A kind of tooth fillet radius detecting tool | |
| CN102865844B (en) | Sphere roundness measuring instrument | |
| CN2932303Y (en) | Inside diameter measuring device | |
| CN203672284U (en) | Special gauge for measuring length bar distance of annular gear | |
| CN106052536A (en) | Deep hole coaxiality measuring tool | |
| CN205940415U (en) | A device for detecting nut holding surface straightness that hangs down | |
| TWI461676B (en) | Establish the adjustment of the reference axis and the datum | |
| CN103954204A (en) | Static roundness measurement device and method | |
| CN201561747U (en) | Special fixture for measuring hobbing cutter of three-coordinate measuring system | |
| CN208952851U (en) | A kind of odd number gear spline excircle dimension measurement cubing | |
| CN204007379U (en) | A kind of axle is flange opening and offset measuring device | |
| CN205664772U (en) | Depth of parallelism check out test set of connecting rod | |
| CN103575196A (en) | Wire thread insert verticality detection tool for oil cooler | |
| CN203857906U (en) | Bouncing testing tool for absorber component | |
| CN205066651U (en) | Improved generation blade blade root profile detection device | |
| CN204043557U (en) | A kind of conical surface bounce gauge | |
| CN208780166U (en) | A kind of articulated coordinate machine locking type shaft | |
| CN203479238U (en) | Perpendicularity testing tool for rocker arm threaded hole | |
| CN207365945U (en) | A kind of dividing bush gap adjusting device | |
| CN206330536U (en) | A kind of Cam Detection device |
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: 20141231 Termination date: 20200812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |