CN207585492U - Shallow inner bore of step measures dial framework and shallow inner bore of step measuring device - Google Patents
Shallow inner bore of step measures dial framework and shallow inner bore of step measuring device Download PDFInfo
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- CN207585492U CN207585492U CN201721481566.6U CN201721481566U CN207585492U CN 207585492 U CN207585492 U CN 207585492U CN 201721481566 U CN201721481566 U CN 201721481566U CN 207585492 U CN207585492 U CN 207585492U
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- measurement
- inner bore
- slide bar
- head
- dial framework
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Abstract
The utility model provides a kind of shallow inner bore of step and measures dial framework and shallow inner bore of step measuring device, measurement dial framework therein：Including slide bar, be cased on slide bar in an axial direction can Elastic Sliding fixation measuring head and the slip measurement head that slides axially and positioned by fastener, slide bar is equipped with to install the mounting portion for measuring gauge outfit close to one end of fixation measuring head, fixation measuring head and slip measurement head are useful for stretching into the protrusion that endoporus measures, fixation measuring head is linked by elastic component with measuring the measuring rod of gauge outfit, and gauge outfit progress reading measurement is measured for passing through the mobile drive of fixation measuring head.Measurement head can individually stretch into accurate endoporus and measure, and avoid the excessive measurement that can not be stretched into endoporus, solve the problems, such as the shallow inner bore of step of precision of measurement table frame body product.Shallow inner bore of step provided by the utility model measures dial framework, and manufacture cost is relatively low, easy to use；Wide range of measurement can be used for measuring the internal diameter size in the range of 30 300mm.
Description
Technical field
The utility model is related to a kind of survey tool, particularly, be related to a kind of shallow inner bore of step of shallow step measure dial framework and
Simple inner bore of step measuring device.
Background technology
Smaller, the mistake processed on lathe for accurate endoporus (tolerance is in below 0.02mm) step depth of ring parts
It can not be measured using general internal diameter instrument support in journey, being measured using general calipers (precision 0.02mm) and precision is not achieved will
It asks, it is necessary to using dial framework with being measured to the cooperation of table part.Existing special dial framework is to table part, and versatility is not strong, measurement head position
It is fixed, can not adjusts, in the manufacturing process of product, different special dial frameworks need to be designed, different endoporus rulers are used for table part
Very little measurement, production cost are high.
Utility model content
The utility model provides a kind of shallow inner bore of step and measures dial framework and shallow inner bore of step measuring device, to solve precision
The measurement problem of shallow inner bore of step.
The technical solution adopted in the utility model is as follows：
According to an aspect of the invention, there is provided a kind of shallow inner bore of step measures dial framework, including slide bar, it is cased on slide bar
In an axial direction can Elastic Sliding fixation measuring head and the slip measurement head that slides axially and positioned by fastener, slide bar it is close
One end of fixation measuring head is equipped with for installing the mounting portion for measuring gauge outfit, and fixation measuring head is useful for stretching with measurement head is slided
Enter the protrusion that endoporus measures, fixation measuring head is linked by elastic component with measuring the measuring rod of gauge outfit, solid for passing through
The mobile drive for determining measurement head measures gauge outfit progress reading measurement.
Further, slide bar is equipped with the elongate holes axially set along slide bar, and the protrusion of fixation measuring head is in strip
It is linked in shape hole by elastic component with measuring the measuring rod of gauge outfit.
Further, fixation measuring head and the protrusion cross section of slip measurement head are circle.
Further, elastic component is spring.
Further, fixation measuring head is equipped with prevents elastic component from damaging for being fixed on slide bar in unmeasured state
Bad protection bolt.
Further, fastener is fastening bolt, slides measurement head and is equipped with the location hole communicated with slide bar, fastening bolt is set
It puts in location hole, for screwed in place.
Further, mounting portion includes being arranged on the insertion hole being axially inserted on slide bar for measurement gauge outfit along slide bar and is used for
The installation bolt of gauge outfit fastening will be measured.
Further, bolt, fastening bolt and installation bolt is protected to be equipped with the anti-skid chequer convenient for turning.
Further, slide bar excircle dimension precision is within tolerance 0.015mm；The straightness of slide bar is not more than 0.005mm；
It is 0.002~0.006mm to slide the gap between measurement head and slide bar.
According to another aspect of the present invention, a kind of shallow inner bore of step measuring device is provided, including above-mentioned shallow step
Hole measuring dial framework and the measurement gauge outfit on shallow inner bore of step measurement dial framework.
The utility model has the advantages that：
Shallow inner bore of step provided by the utility model measures dial framework and shallow inner bore of step measuring device, fixation measuring head and cunning
Dynamic measurement head is useful for stretching into the protrusion that endoporus measures.Measurement head is allowd individually to stretch into accurate endoporus to be surveyed
Amount avoids the excessive measurement that can not be stretched into endoporus, solve the problems, such as the shallow inner bore of step of precision of measurement table frame body product.This practicality is new
The shallow inner bore of step that type provides measures dial framework, and manufacture cost is relatively low, easy to use；Wide range of measurement, a set of dial framework can be used
Internal diameter size in the range of measurement 30-300mm.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to accompanying drawings, the utility model is described in further detail.
Description of the drawings
The attached drawing for forming the part of the application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.In attached drawing
In：
Fig. 1 is the shallow inner bore of step measurement dial framework of the preferred embodiment in the utility model and showing for shallow inner bore of step measuring device
It is intended to；
Fig. 2 is that the shallow inner bore of step of another preferred embodiment of the utility model measures dial framework and shallow inner bore of step measuring device
Schematic diagram；
Fig. 3 is the shallow inner bore of step measurement dial framework of the preferred embodiment in the utility model and facing upward for shallow inner bore of step measuring device
View；
Fig. 4 is the sectional view along A-A of Fig. 2.
Reference sign：
1st, gauge outfit is measured；2nd, fixation measuring head；3rd, measurement head is slided；4th, slide bar；5th, spring；6th, bolt is protected；7th, it fastens
Bolt；8th, installation bolt.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
With reference to Fig. 1~4, the preferred embodiment of the utility model provides a kind of shallow inner bore of step and measures dial framework, including cunning
Bar 4, be cased on slide bar 4 in an axial direction can Elastic Sliding fixation measuring head 2 and the cunning that slides axially and positioned by fastener
Dynamic measurement head 3, slide bar 4 are equipped with to install the mounting portion for measuring gauge outfit 1, fixation measuring head 2 close to one end of fixation measuring head 2
With the protrusion for sliding measurement head 3 and being useful for stretching into endoporus and measuring, fixation measuring head 2 passes through elastic component with measuring gauge outfit
1 measuring rod linkage measures the progress reading measurement of gauge outfit 1 for passing through the mobile drive of fixation measuring head 2.
The modes such as bolt may be used in fastener, are fixed on slide bar 4 as long as measurement head 3 can will be slided.Measurement table
First 1 can be dial gauge, amesdial, can be selected according to different required precisions.Diversified forms, such as bullet may be used in elastic component
Spring, telescopic rod, as long as can to measurement gauge outfit 1 and the mobile transmission of fixation measuring head 2 so that, the pointer for measuring gauge outfit 1 is corresponding
Rotation.
It measures before use, first installing and fixing and measures gauge outfit 1, adjustment slides measurement head 3 to suitable position, by two surveys
Amount head stretches into inner bore of part, ensures that the spring in fixation measuring head has certain pressure, two measurement heads is made to be close to inner bore of part, will
It slides measurement head 3 to fix, then the protrusion of fixation measuring head 2 and slip measurement head 3 is stretched into ring gauge and is carried out to table, ensure solid
The protrusion for determining measurement head 2 and slip measurement head 3 is close to ring gauge endoporus respectively, is after measuring 1 pointer regulation to zero-bit of gauge outfit
Part can be measured.
It measures in use, fixation measuring head 2 and the protrusion for sliding measurement head 3 are stretched into accurate endoporus, slip fine tuning is solid
Determine measurement head 2, fixation measuring head 2 and the protrusion of slip measurement head 3 is made to be close to accurate endoporus respectively, is referred to according to gauge outfit 1 is measured
The reading of needle and the size of ring gauge endoporus are it is known that the inner bore of part size processed on lathe.
Measurement head can individually stretch into accurate endoporus and measure, avoid measurement table frame body product it is excessive can not stretch into
Hole solves the problems, such as the measurement of accurate shallow inner bore of step.Shallow inner bore of step provided by the utility model measures dial framework, manufactures cost
It is relatively low, it is easy to use；Wide range of measurement, a set of dial framework may be used for measuring the internal diameter size in the range of 30-300mm.
Preferably, with reference to Fig. 1 or 2, slide bar 4 is equipped with the elongate holes axially set along slide bar 4, fixation measuring head 2
Protrusion is linked in elongate holes by elastic component with measuring the measuring rod of gauge outfit 1.Fixation measuring head 2 can be in elongate holes
Length range in along its direction slide, protrusion drive measuring rod movement, and then drive measure gauge outfit 1 indicators turn instruction
Reading.
Preferably, with reference to Fig. 3, fixation measuring head 2 and the protrusion cross section for sliding measurement head 3 are circle.Cross section
Can protrusion with measured endoporus be in close contact to be round, ensure that the accurate of measurement, and will not be because of too sharply to quilt
Endoporus is measured to cause to damage.
Preferably, with reference to Fig. 1 or 2, elastic component is spring 5.The elastic force of spring 5 so that protrusion and measured endoporus are close
Contact, ensure that the accurate of measurement.
Preferably, with reference to Fig. 2, fixation measuring head 2 is equipped with and is prevented for being fixed on slide bar 4 in unmeasured state
The protection bolt 6 of elastic component damage.In unmeasured state, when such as storing and transport, fixation measuring head 2 is it is possible that by outer masterpiece
With horizontally slipping, elastic component can be elongated or shortened, if things go on like this elastic component is easily damaged.In unmeasured state, with protection
Fixation measuring head 2 is fixed on slide bar 4 by bolt 6, even if will not be slided by external force fixation measuring head 2, elastic component will not
Therefore deformation, can prevent elastic component from damaging.
Preferably, with reference to Fig. 2, fastener is fastening bolt 7, slides measurement head 3 and is equipped with the location hole communicated with slide bar 4,
Fastening bolt 7 is arranged in location hole, for screwed in place.Bolt arrangement is simple, cheap, and can be effectively performed solid
It is fixed；It horizontally slips during measurement and slides measurement head 3 to suitable position, bolt insertion location hole is tightened and can positioned.
Preferably, with reference to Fig. 2, mounting portion includes being arranged on to be inserted on slide bar 4 for measuring gauge outfit 1 along what slide bar 4 was axially inserted into
Enter hole and for the installation bolt 8 that gauge outfit 1 fastens will to be measured.The diameter in hole is inserted into slightly larger than gauge outfit 1 is measured, gauge outfit 1 is measured and inserts
Enter wherein, installation bolt 8 passes through the hole on slide bar 4 to tighten fixation measuring gauge outfit 1.
Preferably, with reference to Fig. 2, protection bolt 6, fastening bolt 7 and installation bolt 8 are equipped with the anti-skid chequer convenient for turning.It is anti-
Sliding line can increase the frictional force of bolt and finger, convenient for turning bolt.
Preferably, with reference to Fig. 1 or 2,4 excircle dimension precision of slide bar is within tolerance 0.015mm；The straightness of slide bar 4 is not
More than 0.005mm；It is 0.002~0.006mm to slide the gap between measurement head 3 and slide bar 4.Dimensional accuracy is in tolerance
Just can guarantee within 0.015mm can reach required precision to the measurement of accurate endoporus；Straightness could be protected no more than 0.005mm
The transversal displacement for demonstrate,proving slide bar 4 is smaller so that and the glide direction for sliding measurement head 3 is identical with the diametric(al) of measured endoporus,
Ensure the diameter of accurately measurement endoporus；Gap it is too small so that slide measurement head 3 can not swimmingly be slided on slide bar 4, gap mistake
Conference causes the amplitude for sliding the shaking of measurement head 3 excessive so that slides the glide direction of measurement head 3 and the diameter of measured endoporus
Direction is different, can not accurately measure the diameter of endoporus.
With reference to Fig. 1~4, the preferred embodiment of the utility model additionally provides a kind of shallow inner bore of step measuring device, including
Above-mentioned shallow inner bore of step measures dial framework and measures the measurement gauge outfit 1 on dial framework mounted on shallow inner bore of step.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of shallow inner bore of step measures dial framework, which is characterized in that
Including slide bar (4), be cased on the slide bar (4) in an axial direction can Elastic Sliding fixation measuring head (2) and slide axially
And the slip measurement head (3) positioned by fastener, the slide bar (4) are equipped with close to one end of the fixation measuring head (2) and use
The mounting portion of gauge outfit (1) is measured in installation, the fixation measuring head (2) and the slip measurement head (3) are useful for stretching into interior
The protrusion that hole measures, the fixation measuring head (2) are linked by elastic component and the measuring rod of the measurement gauge outfit (1),
For carrying out reading measurement by the mobile drive of the fixation measuring head (2) gauge outfit (1) that measures.
2. shallow inner bore of step according to claim 1 measures dial framework, which is characterized in that
The slide bar (4) is equipped with the elongate holes axially set along the slide bar (4), the protrusion of the fixation measuring head (2)
It is linked in the elongate holes by elastic component and the measuring rod of the measurement gauge outfit (1) in portion.
3. shallow inner bore of step according to claim 2 measures dial framework, which is characterized in that
The fixation measuring head (2) and the protrusion cross section for sliding measurement head (3) are circle.
4. shallow inner bore of step according to claim 2 measures dial framework, which is characterized in that
The elastic component is spring (5).
5. shallow inner bore of step according to claim 1 measures dial framework, which is characterized in that
The fixation measuring head (2) on the slide bar (4) for being fixed in unmeasured state equipped with preventing the bullet
Property part damage protection bolt (6).
6. shallow inner bore of step according to claim 5 measures dial framework, which is characterized in that
The fastener is fastening bolt (7), and the slip measurement head (3) is equipped with the location hole communicated with the slide bar (4), institute
It states fastening bolt (7) to be arranged in the location hole, for screwed in place.
7. shallow inner bore of step according to claim 6 measures dial framework, which is characterized in that
The mounting portion includes being arranged on what is be axially inserted on the slide bar (4) for the measurement gauge outfit (1) along the slide bar (4)
It is inserted into hole and the installation bolt (8) for the measurement gauge outfit (1) to be fastened.
8. shallow inner bore of step according to claim 7 measures dial framework, which is characterized in that
The protection bolt (6), the fastening bolt (7) and the installation bolt (8) are equipped with the anti-skid chequer convenient for turning.
9. shallow inner bore of step according to claim 1 measures dial framework, which is characterized in that
Slide bar (4) the excircle dimension precision is within tolerance 0.015mm；The straightness of the slide bar (4) is not more than
0.005mm；The gap slided between measurement head (3) and the slide bar (4) is 0.002~0.006mm.
10. a kind of shallow inner bore of step measuring device, which is characterized in that including shallow step according to any one of claims 1 to 9
Hole measuring dial framework and the measurement gauge outfit (1) on the shallow inner bore of step measurement dial framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721481566.6U CN207585492U (en) | 2017-11-08 | 2017-11-08 | Shallow inner bore of step measures dial framework and shallow inner bore of step measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721481566.6U CN207585492U (en) | 2017-11-08 | 2017-11-08 | Shallow inner bore of step measures dial framework and shallow inner bore of step measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207585492U true CN207585492U (en) | 2018-07-06 |
Family
ID=62731221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721481566.6U Active CN207585492U (en) | 2017-11-08 | 2017-11-08 | Shallow inner bore of step measures dial framework and shallow inner bore of step measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207585492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945157A (en) * | 2019-12-11 | 2021-06-11 | 中国航发商用航空发动机有限责任公司 | Measuring device and measuring method for parts in deep hole |
| CN112985317A (en) * | 2019-12-17 | 2021-06-18 | 中国航发商用航空发动机有限责任公司 | Detection device and method |
-
2017
- 2017-11-08 CN CN201721481566.6U patent/CN207585492U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945157A (en) * | 2019-12-11 | 2021-06-11 | 中国航发商用航空发动机有限责任公司 | Measuring device and measuring method for parts in deep hole |
| CN112985317A (en) * | 2019-12-17 | 2021-06-18 | 中国航发商用航空发动机有限责任公司 | Detection device and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 412000 No. 1018, Hangfei Avenue, Lusong District, Zhuzhou City, Hunan Province Patentee after: Hunan Xingtu Aerospace and Spacecraft Manufacturing Co.,Ltd. Address before: 412000 Dong Jiaduo, Lusong District, Zhuzhou City, Hunan Province Patentee before: AVIC POWER ZHUZHOU AVIATION PARTS MANUFACTURING Co.,Ltd. |