CN111043930A - Measuring device for pitch diameter radial run-out of external thread of threaded sleeve - Google Patents
Measuring device for pitch diameter radial run-out of external thread of threaded sleeve Download PDFInfo
- Publication number
- CN111043930A CN111043930A CN201911311291.5A CN201911311291A CN111043930A CN 111043930 A CN111043930 A CN 111043930A CN 201911311291 A CN201911311291 A CN 201911311291A CN 111043930 A CN111043930 A CN 111043930A
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- measuring
- thread
- fixedly connected
- rod
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention provides a measuring device for pitch diameter radial run-out of a thread insert external thread, which comprises a bottom plate, a vertical supporting plate, a core rod and a U-shaped supporting plate, wherein the lower end of the vertical supporting plate is fixedly connected with the bottom plate, the upper end of the vertical supporting plate is fixedly connected with the supporting plate, the supporting plate is provided with a first supporting arm and a second supporting arm, a dial indicator is fixedly connected onto the first supporting arm and comprises a measuring rod, a needle rod is fixedly connected onto the second supporting arm, a testing needle capable of sliding up and down along the vertical direction is sleeved inside the needle rod, one end of the core rod is fixedly connected with the vertical supporting plate, the other end of the core rod extends outwards along the horizontal direction, and when the thread insert is sleeved on the core rod, the testing. By adopting the technical scheme of the invention, the corresponding measurement value can be read from the dial indicator by rotating the screw sleeve around the central axis of the core rod, and the dial indicator is stably supported, so that various disturbances in the external environment can be avoided, and the measurement precision is improved.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a measuring device for pitch diameter radial runout of an external thread of a threaded sleeve.
Background
In the field of machining technology, the swivel nut is common mechanical structure part, the screw thread is common connection structure on the mechanical part then, in order to guarantee manufacturing accuracy and quality of mechanical part, after the mechanical structure part makes the shaping, all need detect the form and position size factor of corresponding spare part, in the prior art, because the external screw thread of swivel nut is the heliciform and arranges, it is very difficult to its external screw thread radial runout's measurement, measurement accuracy is also not high, consequently, the urgent need develop design a measuring device who is used for measuring the swivel nut external screw thread intermediate diameter radial runout specially.
Disclosure of Invention
In order to solve the technical problem, the invention provides a device for measuring the radial runout of the pitch diameter of the external thread of the threaded sleeve.
The invention is realized by the following technical scheme.
The invention provides a measuring device for pitch diameter radial run-out of a thread insert external thread, which comprises a bottom plate, a vertical supporting plate, a core rod and a U-shaped supporting plate, wherein the lower end of the vertical supporting plate is fixedly connected with the bottom plate, the upper end of the vertical supporting plate is fixedly connected with the supporting plate, the supporting plate is provided with a first supporting arm and a second supporting arm, a dial indicator is fixedly connected onto the first supporting arm and comprises a measuring rod, a needle rod is fixedly connected onto the second supporting arm, a testing needle capable of sliding up and down along the vertical direction is sleeved inside the needle rod, one end of the core rod is fixedly connected with the vertical supporting plate, the other end of the core rod extends outwards along the horizontal direction, and when the thread insert is sleeved on the core rod, the testing needle is clamped between the thread insert external thread and the measuring rod.
And the core rod is also sleeved with a limiting sleeve, and the limiting sleeve is in threaded connection with one part of the external thread of the threaded sleeve.
The fit clearance between the core rod and the thread sleeve is less than 0.025 mm.
The dial indicator further comprises an indicator body, the measuring rod is installed on the indicator body, the dial plate is fixedly connected onto the indicator body, the first supporting arm is further connected with a limiting bolt in a threaded mode, and the tail end of the limiting bolt abuts against the outer surface of the indicator body.
The central axis of the limit bolt is arranged along the horizontal direction.
The first support arm and the second support arm are arranged in parallel with each other.
The first arm or the second arm is arranged in a horizontal direction.
The surface roughness of the bottom plate is less than Ra1.6 mu m.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, when the radial runout of the external thread pitch diameter of the screw sleeve is measured, the screw sleeve rotates around the central axis of the core rod, thereby transmitting the uneven state on the surface of the external thread of the screw sleeve to the dial indicator rod through the test needle, triggering the dial indicator within the dial indicator to rotate through the dial indicator rod, and corresponding scale indications are indicated on the dial plate, which is convenient for users to accurately read the radial runout value of the external thread pitch diameter of the screw sleeve, in addition, the dial indicator is fixedly connected with the bottom plate through the U-shaped supporting plate, the dial indicator is stably supported by the supporting plate, a user does not need to hold or hold a measuring instrument by hands, the influence of disturbance in the external environment on the measuring precision can be avoided, and the dial indicator can also rotate to one side of the dial plate facing the user, so that the reading of the user is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-bottom plate, 2-vertical supporting plate, 3-core rod, 4-supporting plate, 5-dial indicator, 6-needle rod, 7-testing needle, 8-limiting sleeve, 41-first supporting arm, 42-second supporting arm, 51-measuring rod, 52-meter body and 53-dial plate.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in figure 1, the invention provides a measuring device for measuring the radial run-out of a thread insert external thread, which comprises a bottom plate 1, a vertical supporting plate 2, a core rod 3 and a U-shaped supporting plate 4, wherein the lower end of the vertical supporting plate 2 is fixedly connected with the bottom plate 1, the upper end of the vertical supporting plate 2 is fixedly connected with the supporting plate 4, the supporting plate 4 is provided with a first supporting arm 41 and a second supporting arm 42, a dial indicator 5 is fixedly connected onto the first supporting arm 41, the dial indicator 5 comprises a measuring rod 51, a needle rod 6 is fixedly connected onto the second supporting arm 42, a testing needle 7 capable of sliding up and down along the vertical direction is sleeved inside the needle rod 6, one end of the core rod 3 is fixedly connected with the vertical supporting plate 2, the other end of the core rod 3 extends outwards along the horizontal direction, and when the thread insert is sleeved on the core rod 3.
Furthermore, a limiting sleeve 8 is sleeved on the core rod 3, and the limiting sleeve 8 is in threaded connection with a part of the external thread of the threaded sleeve. Through stop collar 8 and 3 spiro couplings of plug, when rotating the swivel nut, stop collar 8 rotates along with the swivel nut simultaneously, can reduce the swivel nut and rotate the eccentric probability of in-process appearance, has established the basis for improving measurement accuracy.
Further, the fit clearance between the mandrel 3 and the thread insert is preferably less than 0.025 mm. The dial indicator 5 further comprises a meter body 52, the measuring rod 51 is mounted on the meter body 52, a dial 53 is fixedly connected onto the meter body 52, a limiting bolt is screwed onto the first supporting arm 41, and the tail end of the limiting bolt abuts against the outer surface of the meter body 52. The central axis of the limit bolt is arranged along the horizontal direction. The first arm 41 and the second arm 42 are arranged parallel to each other. The first arm 41 or the second arm 42 is arranged in the horizontal direction. The surface roughness of the bottom plate 1 is less than Ra1.6 mu m.
By adopting the technical scheme of the invention, when the radial runout of the external thread pitch diameter of the screw sleeve is measured, the screw sleeve rotates around the central axis of the core rod, thereby transmitting the uneven state on the surface of the external thread of the screw sleeve to the dial indicator rod through the test needle, triggering the dial indicator within the dial indicator to rotate through the dial indicator rod, and corresponding scale indications are indicated on the dial plate, which is convenient for users to accurately read the radial runout value of the external thread pitch diameter of the screw sleeve, in addition, the dial indicator is fixedly connected with the bottom plate through the U-shaped supporting plate, the dial indicator is stably supported by the supporting plate, a user does not need to hold or hold a measuring instrument by hands, the influence of disturbance in the external environment on the measuring precision can be avoided, and the dial indicator can also rotate to one side of the dial plate facing the user, so that the reading of the user is facilitated.
Claims (8)
1. The utility model provides a swivel nut external screw thread pitch diameter runout measuring device which characterized in that: the device comprises a bottom plate (1), a vertical supporting plate (2), a core rod (3) and a U-shaped supporting plate (4), wherein the lower end of the vertical supporting plate (2) is fixedly connected with the bottom plate (1), the upper end of the vertical supporting plate (2) is fixedly connected with the supporting plate (4), the supporting plate (4) is provided with a first supporting arm (41) and a second supporting arm (42), a dial indicator (5) is fixedly connected onto the first supporting arm (41), the dial indicator (5) comprises a measuring rod (51), a needle rod (6) is fixedly connected onto the second supporting arm (42), a test needle (7) capable of sliding up and down along the vertical direction is sleeved inside the needle rod (6), one end of the core rod (3) is fixedly connected with the vertical supporting plate (2), the other end of the core rod (3) extends outwards along the horizontal direction, and when a screw sleeve is sleeved on the core rod (3), the test needle (7) is clamped between the thread sleeve external thread and the measuring rod (51).
2. The device for measuring the pitch diameter and radial runout of the external thread of the thread insert according to claim 1, wherein: and a limiting sleeve (8) is further sleeved on the core rod (3), and the limiting sleeve (8) is in threaded connection with one part of the external thread of the threaded sleeve.
3. The device for measuring the pitch diameter and radial runout of the external thread of the thread insert according to claim 1, wherein: the fit clearance between the core rod (3) and the thread sleeve is less than 0.025 mm.
4. The device for measuring the pitch diameter and radial runout of the external thread of the thread insert according to claim 1, wherein: the dial indicator (5) further comprises an indicator body (52), the measuring rod (51) is installed on the indicator body (52), a dial (53) is fixedly connected onto the indicator body (52), a limiting bolt is screwed onto the first support arm (41), and the tail end of the limiting bolt abuts against the outer surface of the indicator body (52).
5. The device for measuring the pitch diameter and radial runout of the external thread of the thread insert according to claim 4, wherein: the central axis of the limit bolt is arranged along the horizontal direction.
6. The device for measuring the pitch diameter and radial runout of the external thread of the thread insert according to claim 1, wherein: the first arm (41) and the second arm (42) are arranged parallel to each other.
7. The device for measuring the pitch diameter and radial runout of the external thread of the thread insert according to claim 1, wherein: the first arm (41) or the second arm (42) is arranged in a horizontal direction.
8. The device for measuring the pitch diameter and radial runout of the external thread of the thread insert according to claim 1, wherein: the surface roughness of the bottom plate (1) is less than Ra1.6 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911311291.5A CN111043930A (en) | 2019-12-18 | 2019-12-18 | Measuring device for pitch diameter radial run-out of external thread of threaded sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911311291.5A CN111043930A (en) | 2019-12-18 | 2019-12-18 | Measuring device for pitch diameter radial run-out of external thread of threaded sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111043930A true CN111043930A (en) | 2020-04-21 |
Family
ID=70237698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911311291.5A Pending CN111043930A (en) | 2019-12-18 | 2019-12-18 | Measuring device for pitch diameter radial run-out of external thread of threaded sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111043930A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504058A (en) * | 2020-12-18 | 2021-03-16 | 贵州华烽电器有限公司 | Sleeve part circle run-out detection method |
| CN112729078A (en) * | 2020-12-18 | 2021-04-30 | 贵州华烽电器有限公司 | Open sleeve internal thread concentricity detection device |
| CN114166084A (en) * | 2021-06-29 | 2022-03-11 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring runout of pitch diameter of conical surface opposite thread |
-
2019
- 2019-12-18 CN CN201911311291.5A patent/CN111043930A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504058A (en) * | 2020-12-18 | 2021-03-16 | 贵州华烽电器有限公司 | Sleeve part circle run-out detection method |
| CN112729078A (en) * | 2020-12-18 | 2021-04-30 | 贵州华烽电器有限公司 | Open sleeve internal thread concentricity detection device |
| CN114166084A (en) * | 2021-06-29 | 2022-03-11 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring runout of pitch diameter of conical surface opposite thread |
| CN114166084B (en) * | 2021-06-29 | 2024-02-27 | 中国航发贵州黎阳航空动力有限公司 | Device for measuring pitch diameter runout of taper pair threads |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111043930A (en) | Measuring device for pitch diameter radial run-out of external thread of threaded sleeve | |
| CN102519347B (en) | Inner hole radial circle run-out detecting tool | |
| CN101799267A (en) | Device and method for measuring symmetry of spindle keyways | |
| CN202432948U (en) | Position measuring and detecting mechanism | |
| CN202216687U (en) | Gauge of deviation from circular form for hole | |
| CN102003931B (en) | Comprehensive detection method and device of tool tapered handle (7:24) | |
| CN203704817U (en) | Thread plug gauge used for detecting taper internal threads of graphite electrode | |
| CN208383036U (en) | A kind of automobile hub bearing dimension measuring device | |
| CN202281589U (en) | Concentricity measuring tool | |
| CN208296765U (en) | A kind of ball screw assembly, journey error measuring device with compensation device | |
| CN203928977U (en) | Cone hole detection device | |
| CN203869642U (en) | Multifunctional portable oversize bearing ring end face curvature detector | |
| CN206618356U (en) | A kind of gear ring gear jitter detection apparatus | |
| CN211085005U (en) | Measuring device for pitch diameter radial run-out of external thread of threaded sleeve | |
| CN103234424A (en) | Measurer for outer diameters of valve seats | |
| CN206944901U (en) | A kind of micro- depth survey frock of magnetic ferrite magnetic core ladder | |
| CN216098550U (en) | Precision correcting device for direct-coupled spindle motor base | |
| CN203274624U (en) | Circular ring disc body geometric tolerance gauge | |
| CN207763674U (en) | A kind of automobile gearbox gear height detection tooling | |
| CN201555539U (en) | Air valve check tool | |
| CN203116686U (en) | Verticality gauge | |
| CN202947665U (en) | Roll neck blind hole symmetry measurement instrument | |
| CN201780084U (en) | Measuring instrument for external thread sealing surface of oil casing | |
| CN202661012U (en) | Outer spherical diameter and profile measuring instrument | |
| CN213688184U (en) | Sealing plug verticality gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |