CN104833289B - Inner diameter measurement apparatus - Google Patents
Inner diameter measurement apparatus Download PDFInfo
- Publication number
- CN104833289B CN104833289B CN201410277166.8A CN201410277166A CN104833289B CN 104833289 B CN104833289 B CN 104833289B CN 201410277166 A CN201410277166 A CN 201410277166A CN 104833289 B CN104833289 B CN 104833289B
- Authority
- CN
- China
- Prior art keywords
- measurement
- inner diameter
- end cap
- measurement apparatus
- hole
- 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.)
- Active
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a kind of inner diameter measurement apparatus.The device includes measurement head, end cap, measuring scale and screw rod；Measurement head is hollow cone, and the side wall of hollow cone offers the neck through side wall along generatrix direction；End cap is covered on the cone bottom of measurement head, end cap and offers first through hole；Surveyors' staff includes measurement bar and is connected to the positioning component of measurement boom end, and positioning component is slideably arranged in neck, and measurement bar is arranged in the first through hole on end cap, measurement bar and is provided with graduation mark.During measurement, first measurement head is stretched into flexible pipe, measurement head makes flexible pipe support rounded, then traverse measurement scale is measured to the internal diameter of the flexible pipe again, compared with inner diameter to be pinched to round metering system by technical staff in the prior art, the measurement accuracy for the inner diameter that the present invention is greatly improved, simultaneously, because the measuring method is relatively simple, detection efficiency is also greatly increased.
Description
Technical field
The present invention relates to field of measuring technique, in particular to a kind of inner diameter measurement apparatus.
Background technology
At present, the flexible pipe such as rubber tube applies relatively broad, such as automobile manufacturing enterprise in manufacturing industry, and rubber tube can be used as combustion
Oil pipe, cooling water pipe, engine air inlet/outlet rubber hose etc..The flexible pipes such as automobile rubber enter escape pipe as cooling water pipe, engine
In use, critical size includes internal diameter size and its tolerance fit.The deviation of water pipe internal diameter size can cause vehicle leak, occur
The problems such as vehicle casts anchor；Tracheal diameter dimensional discrepancy can cause dirty air to enter engine, the problems such as reducing engine life.Mesh
Move ahead and generally measure sebific duct internal diameter using slide measure in the industry, but because sebific duct hardness is general in shore 60-80 degree, directly use
Vernier caliper measurement rubber bore, needs that sebific duct artificially is pinched into circle, first estimates sebific duct circularity, this kind of detection mode not only detects effect
Rate is very low, and accuracy of detection is also poor, is unfavorable for standardized work.
The content of the invention
In consideration of it, the present invention proposes a kind of inner diameter measurement apparatus, it is intended to solve flexible pipe measurement efficiency it is low and detection
The problem of low precision.
On one side, the present invention proposes a kind of inner diameter measurement apparatus, and the device includes：Measurement head, end cap and survey
Gage.Wherein, measurement head is hollow cone, also, the side wall of hollow cone is offered through side wall along generatrix direction
Neck；End cap is covered in the cone bottom of measurement head, also, first through hole is offered on end cap；Surveyors' staff include measurement bar and
The positioning component of measurement boom end is connected to, positioning component is slideably arranged in neck, measurement bar is arranged in the on end cap
One through hole, also, scale is provided with measurement bar.
Further, above-mentioned inner diameter measurement apparatus also includes screw rod；Wherein, surveyors' staff offers run through vertically
Second through hole of surveyors' staff, the cone top closure of measurement head；Screw rod is spirally connected with the second through hole, also, the first end of screw rod is inserted
It is connected to the vertex of a cone end of measurement head.
Further, in above-mentioned inner diameter measurement apparatus, the second end and the second through hole of screw rod are spirally connected.
Further, in above-mentioned inner diameter measurement apparatus, inwall of the end cap along connecting hole is outward extended with handle, measurement
The measurement bar of scale is arranged in handle；The outer wall of handle is provided with measuring basis.
Further, in above-mentioned inner diameter measurement apparatus, the side wall of handle is offered for showing measurement bar vertically
On scale open slot.
Further, in above-mentioned inner diameter measurement apparatus, the side wall of measurement bar is axially disposed feather key, handle
Inwall is axially disposed the guide groove being engaged with feather key.
Further, in above-mentioned inner diameter measurement apparatus, positioning component includes being mutually perpendicular to the first positioning rule of arrangement
With the second positioning rule.
Further, above-mentioned inner diameter measurement apparatus also includes screw；Wherein, the side wall of handle radially offers spiral shell
Pit, screw is bolted in screwed hole.
Further, in above-mentioned inner diameter measurement apparatus, the cone bottom of measurement head has extended radially outward flange, end
Lid is connected by bolt with flange.
Further, in above-mentioned inner diameter measurement apparatus, measurement head is hollow round table, and the vertex of a cone end of hollow round table is set
There is column connector, the end of column connector is provided with chamfering.
During measurement, the present invention first passes through measurement head and supports inner diameter as circular state, then passes through traverse measurement again
Scale is measured to the internal diameter of the flexible pipe, compared with prior art, the measurement essence for the inner diameter that the present invention is greatly improved
Degree, simultaneously as the measuring method is relatively simple, also greatly increases detection efficiency；In addition, the measurement apparatus structure is more
Simply, it is easy to processing and installation.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the stereogram of inner diameter measurement apparatus provided in an embodiment of the present invention；
Fig. 2 is the profile of inner diameter measurement apparatus provided in an embodiment of the present invention；
Fig. 3 is the structural representation of inner diameter measurement apparatus provided in an embodiment of the present invention.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Referring to Fig. 1, Fig. 2, Fig. 1 is the stereogram of inner diameter measurement apparatus provided in an embodiment of the present invention, and Fig. 2 is this hair
The sectional view of the inner diameter measurement apparatus that bright embodiment is provided in axial direction.
As illustrated, the measurement apparatus includes：Measurement head 1, end cap 2 and measuring scale 3.
Measurement head 1 is hollow cone, and the hollow cone can be hollow cone or hollow round table, also, this is hollow
The cone bottom of cone is openend.If the hollow cone hollow cone, then the bottom surface of hollow cone is openend；If
Hollow round table, then the larger cone bottom of the radial dimension of hollow round table is openend.The side wall of the hollow cone is along bus side
To the neck 11 offered through side wall, the neck 11 also extends through the bus of the hollow cone.
End cap 2 is covered on the openend of measurement head 1, also, end cap 2 and offers first through hole；In addition, the side of end cap 2
Measuring basis is provided with wall.
Surveyors' staff 3 includes columned measurement bar 31 and is connected to the positioning component of the cylindric end of measurement bar 31；Its
In, positioning component is arranged in neck 11, also, positioning component can be slided along neck 11；Measurement bar 31 is arranged on end cap 2
First through hole, and can be slided along first through hole, it is provided with scale in measurement bar 31.
In the present embodiment, measurement head 1, end cap 2 and surveyors' staff 3 are coaxially disposed.
During measurement, measurement bar 31 is first promoted, the end of positioning component and the inner face at the vertex of a cone end of measurement head 1 is affixed
Close, now, the initial scale in measurement bar 31 aligns with the measuring basis on end cap 2；Then measurement head 1 is stretched into tested flexible pipe
It is interior, when the conical surface of measurement head 1 is in full contact state with tested hose inner wall, while the measurement bar of traverse measurement scale 3
31, the positioning component of the end of measurement bar 31 is in fit-state with the end face of tested flexible pipe, now, positioned at the flexible pipe end
Hollow cone cross section radial dimension be the tested flexible pipe internal diameter, and the radial dimension in the section can pass through
Following formula are calculated：R=tan (α/2) * L+r；In the formula, R is the radius of tested flexible pipe, and α is the cone angle of measurement head 1, and L is fixed
The end face 321 of hyte part arrives the distance between inwall 14 of the vertex of a cone；R is the internal diameter at the vertex of a cone end of measurement head 1.
In the present embodiment, the radial dimension stamp that positioning component is located to the cross section of the hollow cone of each position exists
In measurement bar 31, inner diameter can be read in real time by the scale in measurement bar 31.
As can be seen that during measurement, the present embodiment first passes through measurement head and supports tested inner diameter to circular state, then
The internal diameter of the tested flexible pipe is measured by traverse measurement scale again, compared with prior art, the present embodiment is not only improved
The measurement accuracy of tested inner diameter, simultaneously as the measuring method is relatively simple, also greatly increases detection efficiency；
In addition, the measurement apparatus structure is relatively simple, it is easy to processing and installation.
Referring to Fig. 1, Fig. 2, above-described embodiment also includes screw rod 4.Wherein, surveyors' staff 3 is offered through measurement vertically
Second through hole of scale 3, the cone top closure of measurement head 1；Screw rod 4 is spirally connected with second through hole, also, the first end of screw rod 4
(left end shown in Fig. 2) is plugged in the vertex of a cone end of measurement head 1.Before measurement, screw rod 4 is first screwed, due to the first end grafting of screw rod 4
In the vertex of a cone end of measurement head 1, thus surveyors' staff 3 vertically can with relative motion so that positioning component in surveyors' staff 3 with
Vertex of a cone end fits, now, and the initial scale in measurement bar 31 is flush with the measuring basis on end cap 2, corrects surveyors' staff
3。
Before measurement, the present embodiment first passes through the correction surveyors' staff 3 of screw rod 4, can obtain the measurement essence of the surveyors' staff 3
Degree, and then greatly increase the accuracy of measurement of the surveyors' staff.
Preferably, referring to Fig. 2, the second end (right-hand member shown in Fig. 2) of screw rod 4 is spirally connected with the second through hole.Specifically, screw rod
4 are only provided with external screw thread in the part close to the second end, and other parts are smooth shaft.The screw thread of screw rod 4 in the present embodiment
Set-up mode is easily installed and adjusting screw rod 4.
Referring to Fig. 1, in the various embodiments described above, outwards (right side shown in Fig. 2) extension of inwall of the end cap 2 along first through hole
There is handle 22, the measurement bar 31 of surveyors' staff 3 is arranged in handle 22.As can be seen that the setting of handle 22, can make measurement bar 31
It is partially disposed in handle 22, greatly increases the stability of measurement bar 31, and then the degree of accuracy of measurement can also be improved.This reality
Apply in example, the outer wall of handle 22 is provided with measuring basis, during calibration, should make on the initial scale and handle 22 in measurement bar 31
Measuring basis is flush.
Preferably, referring to 1, in above-described embodiment, the side wall of handle 22 offers open slot 221 vertically, to show survey
Scale on gauge rod 31.
It is further preferred that the side wall of measurement bar 31 is convexly equipped with feather key 311 vertically, the inwall of handle 22 is opened vertically
Provided with guide groove, feather key 311 is engaged with guide groove, circumferentially positioned to be carried out to measurement bar 31, makes the scale of measurement bar 31
Corresponding to open slot 221.
Referring to Fig. 1, in the various embodiments described above, what the positioning component in surveyors' staff 3 included being mutually perpendicular to arrangement first determines
The position positioning rule 33 of chi 32 and second.During measurement, it is affixed the first positioning rule 32 and the second positioning rule 33 and the end of tested flexible pipe
Close, so that tested flexible pipe and surveyors' staff 3 are coaxial., can be with as can be seen that the setting of the first positioning rule 32 and the second positioning rule 33
Ensure that tested flexible pipe is co-axially mounted with measurement head 1, greatly increase measurement accuracy.
Referring to Fig. 2, Fig. 3, the various embodiments described above also include screw 5.Wherein, the side wall of handle 22 radially offers screw thread
Hole, screw 5 is bolted in the screwed hole.When the first positioning rule 32 and the second positioning rule 33 are fitted with the end face of tested flexible pipe, rotation
Screw 5 is twisted, makes the end top pressure of screw 5 in measurement bar 31, so that measuring scale 3 is fixed, prevents from moving the measurement apparatus
Caused scale movement, then reads the internal diameter of tested flexible pipe again.The setting of screw 5 can improve measurement accuracy.
Referring to Fig. 1 to Fig. 3, in a kind of this bright embodiment, the cone bottom of measurement head 1 has extended radially outward method
Orchid 12, end cap 2 is connected by bolt with flange 12.
In another embodiment of the invention, measurement head 1 can also be integrally formed with end cap 2, now, on end cap 2
The criss-cross mounting groove for installing positioning component should also be offered.
Referring to Fig. 3, the measurement head 1 in the various embodiments described above is hollow round table, and the vertex of a cone end of the hollow round table is provided with post
Shape connector 13, the end of column connector 13 is provided with chamfering 131.The setting of chamfering 131, can prevent from drawing in installation process
Broken tested hose inner wall.
It should be noted that the measurement accuracy of measurement apparatus is relevant with the cone angle of measurement head 1 in the present embodiment, cone angle is got over
Small, measurement accuracy is higher, and the specific value of cone angle can be determined according to actual conditions, and the specific value of the invention to cone angle is not
Do any restriction.The measurement range of measurement apparatus is determined by the cross sectional dimensions at the vertex of a cone and cone bottom in the present embodiment.It is specific real
Shi Shi, it is contemplated that tan (α/2)=1/2 can be taken in manufacturing cost and measurement accuracy, the embodiment of the present invention；Wherein, α is measurement
The cone angle of head.
To sum up, during measurement, the embodiment of the present invention, which first passes through measurement head, makes tested inner diameter support to circular state, then
The internal diameter of the tested flexible pipe is measured by traverse measurement scale again, with the prior art artificially pinching tested inner diameter
Round metering system is compared, the measurement accuracy for the tested inner diameter that the embodiment of the present invention is greatly improved, simultaneously as the survey
Amount method is relatively simple, also greatly increases detection efficiency；In addition, the measurement apparatus structure is relatively simple, it is easy to processing and
Install.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of inner diameter measurement apparatus, it is characterised in that including：Measurement head (1), end cap (2) and surveyors' staff (3)；Its
In,
The measurement head (1) is hollow cone, also, the side wall of the hollow cone offered through institute along generatrix direction
State the neck (11) of side wall；
The end cap (2) is covered on the cone bottom of the measurement head (1), also, the end cap (2) and offers first through hole；
The surveyors' staff (3) includes measurement bar (31) and is connected to the positioning component of the measurement bar (31) end, described fixed
Hyte part is slideably arranged in the neck (11), and the measurement bar (31) is arranged in the first through hole on the end cap (2),
Also, scale is provided with the measurement bar (31), the scale is inner diameter value.
2. inner diameter measurement apparatus as claimed in claim 1, it is characterised in that also including screw rod (4)；Wherein,
The surveyors' staff (3) offers the second through hole through the surveyors' staff (3) vertically；The measurement head (1)
Bore top closure；
The screw rod (4) is spirally connected with second through hole, also, the first end of the screw rod (4) is plugged in the measurement head (1)
Vertex of a cone end.
3. inner diameter measurement apparatus as claimed in claim 2, it is characterised in that the second end of the screw rod (4) with it is described
Second through hole is spirally connected.
4. inner diameter measurement apparatus as claimed in claim 1, it is characterised in that the end cap (2) is along the first through hole
Inwall be outward extended with handle (22), the measurement bar (31) of the surveyors' staff (3) is arranged in the handle (22)；The hand
The outer wall of handle (22) is provided with measuring basis.
5. inner diameter measurement apparatus as claimed in claim 4, it is characterised in that the side wall of the handle (22) is opened vertically
Provided with the open slot (221) for showing the scale in the measurement bar (31).
6. inner diameter measurement apparatus as claimed in claim 5, it is characterised in that the side wall of the measurement bar (31) is vertically
Feather key (311) is provided with, the inwall of the handle (22) is axially disposed the guiding being engaged with the feather key (311)
Groove.
7. the inner diameter measurement apparatus as any one of claim 1 to 6, it is characterised in that the positioning component bag
Include the first positioning rule (32) and the second positioning rule (33) for being mutually perpendicular to arrangement.
8. the inner diameter measurement apparatus as any one of claim 4 to 6, it is characterised in that also including screw (5)；
Wherein, the side wall of the handle (22) radially offers screwed hole, and the screw (5) is bolted in the screwed hole.
9. inner diameter measurement apparatus as claimed in claim 8, it is characterised in that
The cone bottom of the measurement head (1) has extended radially outward flange (12), and the end cap (2) passes through bolt and the method
Blue (12) are connected.
10. the inner diameter measurement apparatus as any one of claim 1 to 6, it is characterised in that the measurement head (1)
For hollow round table, the vertex of a cone end of the hollow round table is provided with column connector (13), the end of the column connector (13)
It is provided with chamfering (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277166.8A CN104833289B (en) | 2014-06-19 | 2014-06-19 | Inner diameter measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277166.8A CN104833289B (en) | 2014-06-19 | 2014-06-19 | Inner diameter measurement apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104833289A CN104833289A (en) | 2015-08-12 |
| CN104833289B true CN104833289B (en) | 2017-11-03 |
Family
ID=53811334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410277166.8A Active CN104833289B (en) | 2014-06-19 | 2014-06-19 | Inner diameter measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104833289B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371731A (en) * | 2015-12-04 | 2016-03-02 | 中国一冶集团有限公司 | Soft annular element internal diameter measurement apparatus |
| CN105910522B (en) * | 2016-05-24 | 2019-04-12 | 长江大学 | A kind of drawing enlarged footing anchor hole inside caliper |
| CN106500568B (en) * | 2016-12-16 | 2023-01-17 | 苏州美瑞时科技有限公司 | Adjustable height gauge measuring head |
| CN108398246B (en) * | 2017-02-07 | 2021-01-05 | 中国石油化工股份有限公司 | Sliding sleeve specification detection device |
| CN108917545B (en) * | 2018-09-18 | 2023-12-05 | 南京信息职业技术学院 | Multifunctional measuring unit and measuring method for variable-diameter deep hole detection system |
| CN109374030B (en) * | 2018-10-25 | 2024-05-24 | 南京工程学院 | Automatic traction device for multi-step deep hole detection |
| CN109282741B (en) * | 2018-11-15 | 2023-10-10 | 福建工程学院 | Bamboo inner and outer diameter measuring device and method |
| CN113124733A (en) * | 2021-04-16 | 2021-07-16 | 江苏浚荣升新材料科技有限公司 | Finished product detection process for rubber ring production |
| CN114459308A (en) * | 2021-12-24 | 2022-05-10 | 中海油能源发展股份有限公司 | Drill bit nozzle size measuring tool for petroleum drilling field and use method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219937A (en) * | 1979-08-31 | 1980-09-02 | Lorenzini Robert A | Gauge for measuring internal diameters |
| JPH03220401A (en) * | 1990-01-25 | 1991-09-27 | Kawasaki Steel Corp | Method and device for measuring dimensions and deformation of cylinder |
| CN102175117A (en) * | 2011-01-19 | 2011-09-07 | 四川川锅锅炉有限责任公司 | Concave hole measurement tool |
| CN202903085U (en) * | 2012-10-24 | 2013-04-24 | 浙江工业大学 | Apparatus for measuring diameter of through hole |
| CN203501951U (en) * | 2013-10-10 | 2014-03-26 | 宝钢集团新疆八一钢铁有限公司 | Aperture measuring rule |
-
2014
- 2014-06-19 CN CN201410277166.8A patent/CN104833289B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219937A (en) * | 1979-08-31 | 1980-09-02 | Lorenzini Robert A | Gauge for measuring internal diameters |
| JPH03220401A (en) * | 1990-01-25 | 1991-09-27 | Kawasaki Steel Corp | Method and device for measuring dimensions and deformation of cylinder |
| CN102175117A (en) * | 2011-01-19 | 2011-09-07 | 四川川锅锅炉有限责任公司 | Concave hole measurement tool |
| CN202903085U (en) * | 2012-10-24 | 2013-04-24 | 浙江工业大学 | Apparatus for measuring diameter of through hole |
| CN203501951U (en) * | 2013-10-10 | 2014-03-26 | 宝钢集团新疆八一钢铁有限公司 | Aperture measuring rule |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104833289A (en) | 2015-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104833289B (en) | Inner diameter measurement apparatus | |
| CN204461672U (en) | The total compression testing device of a kind of pipeline | |
| US20150240843A1 (en) | Flow conditioner with integral vanes | |
| JP2007248464A (en) | Tool for setting depth for combustion dynamics monitoring system and method for disposing probe at target depth | |
| US10677632B2 (en) | Measurement ring for fluid flow in a pipeline | |
| US11041707B2 (en) | Roundness measuring device | |
| CN104654979A (en) | Water drainage pipeline internal diameter detector | |
| CN202947632U (en) | Combined calibrating gauge for measuring pitch diameter of thread and sealing face of special female adapter | |
| CN104180787A (en) | Detection device for internal and external conical surface diameters and circularities and detection method thereof | |
| CN102331279B (en) | Plug-in flow meter and installation method thereof | |
| CN207180577U (en) | A kind of axiality calibrating installation of tapping equipment main shaft and even case | |
| CN106248345B (en) | A kind of pipeline flow field swirl intensity measuring device and its measurement method | |
| CN105699090B (en) | Aerodynamic parameter pick-up | |
| CN107860295A (en) | One kind building pipe fitting internal diameter rapid measurement device | |
| CN207556740U (en) | A kind of boundary-layer probe | |
| CN103226051A (en) | Pressure transmitting element for large-diameter negative pressure steam pipeline | |
| RU96421U1 (en) | DEVICE FOR CONTROL OF THREAD AND SEALING CONE OF THE COUPLING | |
| US3030800A (en) | Lip seal gauge | |
| CN209013911U (en) | Cylinder head valve sealing band and guide hole axiality detection device | |
| CN104990482B (en) | The end flange cubing of injection pump driving sleeve | |
| CN104154848B (en) | A kind of passenger vehicle respectively positions orifice angle error measuring means | |
| CN210374923U (en) | Motor center height measuring tool | |
| JP4131416B2 (en) | Water connection device | |
| CN207515753U (en) | Deep hole detection self-centering supporting mechanism | |
| CN102679838B (en) | Guide pipe assembly inspection fixture and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |