CN209055043U - Detect the device of minimum wall thickness (MINI W.) - Google Patents
Detect the device of minimum wall thickness (MINI W.) Download PDFInfo
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- CN209055043U CN209055043U CN201821978071.9U CN201821978071U CN209055043U CN 209055043 U CN209055043 U CN 209055043U CN 201821978071 U CN201821978071 U CN 201821978071U CN 209055043 U CN209055043 U CN 209055043U
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- insulation crust
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Abstract
The utility model discloses a kind of devices for detecting minimum wall thickness (MINI W.), including vernier caliper, the first measurement foot, the second measurement foot, conductive contact, conductive measuring rod, insulation crust leading portion, elastic component, insulation crust back segment, metal back cover, battery and light-emitting component.The device of the detection minimum wall thickness (MINI W.) of the utility model, it makes use of the characteristics of part conduction to be measured, two conductive contacts and part to be measured are designed to the switch of circuit, circuit is connected when two conductive contacts are bonded with part to be measured, and light-emitting component is shinny, when there is a conductive contact not to be bonded part to be measured, then circuit disconnects, and light-emitting component does not work, and can carry out continuous lines scanning measurement, it quickly and accurately detects the undesirable position of minimum wall thickness (MINI W.), significantly improves detection efficiency.
Description
Technical field
The utility model relates to minimum wall thickness (MINI W.) detection technique fields, particularly, are related to a kind of device for detecting minimum wall thickness (MINI W.).
Background technique
Part wall thickness is required strictly, often for the use intensity for guaranteeing part in fields such as aerospace, machine-building
Often there is the requirement of minimum wall thickness (MINI W.) in thin-wall regions.Especially to aero-engine class product, work in the environment of high temperature and pressure,
It is stringenter for the wall thickness requirement of part, do not allow wall thickness face to have the case where lower than minimum wall thickness (MINI W.).
The means of measurement minimum wall thickness (MINI W.) mainly have operator more point-by-point than calibrator using wall thickness calliper or ultrasound at present
It measures, in measurement process, different operation personnel's measurement point spacing is different, and measurement point number position is different, obtained measurement data
With regard to difference, the surface for all having wall thickness requirement can not be covered, there are measurement blind area, part longer for wall thickness regions is this
Take a method for measurement, inefficient operation.One point of original every measurement of measurement method requires to be read simultaneously, for
Biggish part, such measurement method has seriously affected the working efficiency of reviewer, while reviewer can be allowed very tired
Labor, often the detection of the minimum wall thickness (MINI W.) of a heavy parts needs even longer time completion half a day, and efficiency is extremely low, and surveys
It is also more with the increase of part size to measure blind spot.
Utility model content
The utility model provides a kind of device for detecting minimum wall thickness (MINI W.), to solve the means of existing measurement minimum wall thickness (MINI W.)
Existing can not cover all has the technical issues of surface, inefficient operation of wall thickness requirement.
A utility model according to the present utility model provides a kind of device for detecting minimum wall thickness (MINI W.), for conduction
Part to be measured carries out the detection of minimum wall thickness (MINI W.),
Including vernier caliper, the first measurement foot, the second measurement foot, conductive contact, conductive measuring rod, insulation crust leading portion,
Elastic component, insulation crust back segment, metal back cover, battery and light-emitting component, vernier caliper, the first measurement foot and the second measurement foot
It is conductive；
First measurement foot and the second measurement foot are fixedly connected with vernier caliper or the first measurement foot and second measures foot
It can be positioned after being moved relative to vernier caliper；Insulation crust leading portion is fixedly connected with the second measurement foot or insulation crust
Leading portion can be positioned after measuring foot movement relative to second；
Conduction measurement bar part be located in insulation crust leading portion and with insulation crust leading portion axial sliding fit, elastic component receipts
Hold in insulation crust leading portion and be set on conductive measuring rod, one end of elastic component is resisted against on conductive measuring rod, the other end
It is resisted against on insulation crust back segment, insulation crust back segment is connect with insulation crust leading portion, and conductive measuring rod is far from the first measurement foot
One end protrude into insulation crust back segment and contacted with battery, metal back cover and the connection of insulation crust back segment and contacted with battery, hair
Optical element is electrically connected with the second measurement foot and metal back cover respectively；
Both first measurement foot and conductive measuring rod are separately provided for leading for measurement minimum wall thickness (MINI W.) on opposite end face
Electrical contact, the conductive contact on conductive measuring rod are pierced by insulation crust leading portion.
It further, further include the conduct piece being housed in insulation crust back segment and for playing rebound effect；
Conduct piece one end is contacted with battery, and the other end is contacted with metal back cover.
Further, conductive contact is adjustably connected on the first measurement foot up and down；And/or
Insulation crust leading portion is adjustably connected on the second measurement foot up and down.
Further, the positive foot of light-emitting component is weldingly fixed on the second measurement foot, and cathode foot is clipped in metal back cover
Between insulation crust back segment.
Further, the gap between conductive measuring rod and insulation crust leading portion in radial directions is less than or equal to
0.02mm。
Further, the first measurement foot is fixedly connected with vernier caliper, and the second measurement foot and vernier caliper are detachable tight
It is solidly connected.
Further, the handle held convenient for user is additionally provided on vernier caliper.
It further, further include at the link position that insulation crust back segment and insulation crust leading portion are set and/or gold
Belong to the sealing element at the link position of rear cover and insulation crust back segment and for playing sealing function.
Further, battery is dry cell or lithium coin cells.
Further, conductive contact is ball, cylindrical contact, contact ax-shaped, ball-type contact or oval contact.
The utility model has the following beneficial effects:
The device of the detection minimum wall thickness (MINI W.) of the utility model, it makes use of the characteristics of part conduction to be measured, by two conductive touchings
Head and part to be measured have been designed to the switch of circuit, and when two conductive contacts are bonded with part to be measured, circuit is connected, light-emitting component
Shinny, when there is a conductive contact not to be bonded part to be measured, then circuit disconnects, and light-emitting component does not work.The detection of the utility model
The device of minimum wall thickness (MINI W.) can carry out continuous lines scanning measurement, quickly and accurately detect that minimum wall thickness (MINI W.) is undesirable
Position significantly improves detection efficiency.Also, elastic component is set between conductive measuring rod and insulation crust back segment, due to
The automatic rebounding of elastic component acts on, as long as the thickness of tested point is more than or equal to minimum wall thickness (MINI W.), two conductive contacts can be tight always
The inside and outside wall surface of part to be measured is pasted, so as to realize the line scanning measurement to part to be measured, can cover all has wall thickness requirement
Surface, greatly improve measurement efficiency.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the structural schematic diagram of the device of the wall-thickness measurement of the preferred embodiment in the utility model.
Marginal data:
1, vernier caliper；2, the first measurement foot；3, the second measurement foot；4, conductive contact；5, conductive measuring rod；6, insulation is outer
Shell front end；7, elastic component；8, insulation crust back segment；9, metal back cover；10, battery；11, conduct piece；12, light-emitting component.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by following
The multitude of different ways for limiting and covering is implemented.
As shown in Figure 1, the preferred embodiment of the utility model provides a kind of device for detecting minimum wall thickness (MINI W.), can treat
The minimum wall thickness (MINI W.) for surveying part carries out line scanning measurement, can cover the surface for all having minimum wall thickness (MINI W.) requirement, be greatly improved
Detection efficiency.The device of the detection minimum wall thickness (MINI W.) includes that vernier caliper 1, first measures foot 2, second measurement foot 3, conductive contact
4, conductive measuring rod 5, insulation crust leading portion 6, elastic component 7, insulation crust back segment 8, metal back cover 9, battery 10, conduct piece 11 with
And light-emitting component 12, first measurement foot 2 and second measurement foot 3 be fixedly connected with vernier caliper 1 or first measurement foot 2 and
Second measurement foot 3 relative to can be positioned after the movement of vernier caliper 1, fix and connect by insulation crust leading portion 6 and the second measurement foot 3
Connect or insulation crust leading portion 6 relative to the second measurement foot 3 it is mobile after can be positioned.Conductive 5 part of measuring rod is located at insulation
In shell leading portion 6 and only can the axial direction in insulation crust leading portion 6 along conductive measuring rod 5 move, i.e., conductive measuring rod 5 with
6 axial sliding fit of insulation crust leading portion.Both first measurement foot 2 and conductive measuring rod 5 are respectively arranged on opposite end face
For measuring the conductive contact 4 of minimum wall thickness (MINI W.), wherein the conductive contact 4 on conductive measuring rod 5 is pierced by insulation crust leading portion 6.Institute
Insulation crust back segment 8 and 6 detachable connection of insulation crust leading portion are stated, especially by threaded connection, interference fit or buckle
It connects, hole is offered on insulation crust back segment 8 and is passed through for conductive measuring rod 5 far from one end of the first measurement foot 2.The elastic component
7 are housed in insulation crust leading portion 6 and are set on the one end of conductive measuring rod 5 far from the first measurement foot 2, the elastic component 7
One end is resisted against on conductive measuring rod 5, and the other end is resisted against insulation crust back segment 8 on the end face of insulation crust leading portion 6.When
After the insulation crust back segment 8 is connect with insulation crust leading portion 6, the elastic component 7 is in compressive state.It the battery 10 and leads
Electric part 11 is housed in insulation crust back segment 8, the metal back cover 9 and 8 detachable connection of insulation crust back segment, especially by
It is threadedly coupled, is interference fitted or snaps connection, conductive measuring rod 5 is protruded into insulation crust back segment 8 and contacted with battery 10, battery
10 contact with conduct piece 11, and conduct piece 11 is contacted with metal back cover 9.It is appreciated that the conductive measuring rod 5 and battery 10 are just
Pole is in contact, and conduct piece 11 is in contact with the cathode of battery 10 or the conductive measuring rod 5 connects with the cathode of battery 10
Touching, conduct piece 11 are in contact with the anode of battery 10.The positive foot of light-emitting component 12 is fixedly connected on the second measurement foot 3,
Cathode foot is clipped between metal back cover 9 and insulation crust back segment 8, i.e., is in contact with metal back cover 9.That is, light-emitting component 12 and
Two measurement feet 3 and metal back cover 9 are electrically connected.It is appreciated that the conduct piece 11 can be omitted, the battery 10 directly with gold
Belong to rear cover 9 to contact.
It is appreciated that the first measurement foot 2 and the second measurement foot 3 are fixedly connected with vernier caliper 1 or detachably
Formula is fastenedly connected, it is detachable be fastenedly connected mode and can be screw connect, be bolted, snap connection.For the ease of
Adjusting spacing between two measurement feet, to be suitable for different minimum wall thickness (MINI W.) requirements, the utility model preferably uses the first measurement foot 2
It is fixedly connected with vernier caliper 1, the second measurement foot 3 is fastenedly connected with vernier caliper 1 by screw.It is appreciated that the conduction
Contact 4 is ball, cylindrical contact, contact ax-shaped, ball-type contact or oval contact, preferably ball-type measurement touching
Head, measurement precision are higher.The elastic component 7 is spring or rubber parts, preferably spring.The light-emitting component 12 is luminous
Diode or light bulb.It is appreciated that preferably, the central axes of two conductive contacts 4 are located in same horizontal line, first
The central axes of conductive contact 4 on measurement foot 2 and the central axes of the conductive contact 4 on conductive measuring rod 5 are located at same horizontal line
On so as to ensuring the accuracy of measurement of each measurement point.It is further appreciated that the conductive measuring rod 5 and insulation crust leading portion
Gap between 6 in radial directions is less than or equal to 0.02mm, has both ensured between conductive measuring rod 5 and insulation crust leading portion 6
Convenient for assembly and disassembly, larger size will not be occurred between conductive measuring rod 5 and insulation crust leading portion 6 in radial directions by also ensuring
It deviates and influences measurement accuracy.The conduct piece 11 can also use metal spring or other flexible conductive devices,
Conductive effect can be not only played, rebound effect can also be promoted.The battery 10 be dry cell or lithium coin cells,
In preferably use lithium coin cells, be more energy-saving and environmentally friendly.
It is appreciated that the device in the wall-thickness measurement using the utility model measures the minimum wall thickness (MINI W.) of part to be measured
When, the conductive contact 4 first measured first on foot 2 is gently contacted with the conductive contact 4 on conductive measuring rod 5, at this time vernier calliper
Registration on ruler 1 should be zero, need to return to zero to vernier caliper 1 if being not zero.Then by the size tune of vernier caliper 1
Whole and to fasten vernier caliper 1 and the second measurement foot 3 to minimum wall thickness (MINI W.), the spacing between two conductive contacts 4 is minimal wall at this time
Thick size.Then part to be measured is measured, guarantees the conductive contact 4 being mounted on the first measurement foot 2 in measurement process always
It is adjacent to the wall thickness surface of part to be measured, and pays close attention to the luminous situation of light-emitting component 12 always in measurement process, if light-emitting component
12 continuous illuminations then prove that the wall thickness dimension of part to be measured is greater than minimum wall thickness (MINI W.) size, meet the requirements, if light-emitting component 12 is not sent out
Light time then proves that the wall thickness dimension of the part position to be measured is less than minimum wall thickness (MINI W.) size, undesirable, at this time in part subscript to be measured
The position is remembered, so as to realize that treating measuring piece carries out continuous lines scanning measurement.And in measurement process, conduction measurement
Bar 5 can only carry out the movement on axial direction in insulation crust leading portion 6, and offset in the radial direction will not occur, it is ensured that
Accuracy of measurement.In measurement process, when the wall thickness of latter measuring point is greater than the wall thickness of previous measuring point, elastic component 7 is further
Compression；When the wall thickness of latter measuring point is less than the wall thickness of previous measuring point, since the automatic rebounding effect of elastic component 7 will push conduction
Measuring rod 5 is to the direction movement close to the first measurement foot 2, as long as the thickness of measurement point is more than or equal to minimum wall thickness (MINI W.) size,
Two conductive contacts 4 can be close to the inside and outside wall surface of part to be measured always, it is ensured that accuracy in detection.It is appreciated that the part to be measured
It must be conductive material, it also must be conductive material that the vernier caliper 1, first, which measures foot 2 and the second measurement foot 3,.
The device of the detection minimum wall thickness (MINI W.) of the utility model, it makes use of the characteristics of part conduction to be measured, by two conductive touchings
First 4 and part to be measured be designed to the switch of circuit, when two conductive contacts 4 are bonded with part to be measured, circuit be connected, is shone first
Part 12 is shinny, and when there is a conductive contact 4 not to be bonded part to be measured, then circuit disconnects, and light-emitting component 12 does not work.So as into
Row continuous lines scanning measurement quickly and accurately detects the undesirable position of minimum wall thickness (MINI W.) size, significantly improves
Detection efficiency.Also, elastic component 7 is set between conductive measuring rod 5 and insulation crust leading portion 6, and automatic due to elastic component 7 returns
Bullet effect, as long as the thickness of tested point is more than or equal to minimum wall thickness (MINI W.) size, two conductive contacts 4 can be close to be measured always
The inside and outside wall surface of part can cover the surface for all having wall thickness requirement so as to realize the line scanning measurement to part to be measured,
Greatly improve measurement efficiency.
It is appreciated that being used as a kind of deformation, the conductive contact 4 can be moved up and down and be carried out relative to the first measurement foot 2
Positioning, and insulation crust leading portion 6 can also be moved up and down and be positioned relative to the second measurement foot 3, so as to to be measured
Different depth position on part carries out wall thickness measuring.For example, being arranged at intervals on the first measurement foot 2 and the second measurement foot 3 more
It is provided with protrusion on the outer surface of a bayonet, conductive contact 4 and insulation crust leading portion 6, it is real by the cooperation of protrusion and bayonet
Existing conductive contact 4 moves up and down relative to the first measurement foot 2 and carries out positioning and insulation crust leading portion 6 relative to the second measurement foot
3 move up and down and are positioned.Or sliding slot, interval in sliding slot are provided on the first measurement foot 2 and the second measurement foot 3
It is provided with multiple protrusions, is provided with recess on the outer surface of conductive contact 4 and insulation crust leading portion 6, conductive contact 4 can be
It slides and is realized by recess with male cooperation in sliding slot in one measurement foot 2 and position, insulation crust leading portion 6 can be in the second measurement
It slides in sliding slot in foot 3 and is realized by recess with male cooperation and positioned.Wherein, the central axes of two conductive contacts 4 need
Always in same horizontal line, to ensure accuracy of measurement.
It is appreciated that being used as a kind of deformation, the handle for holding for user is additionally provided on the vernier caliper 1
Hand (not shown).
It is appreciated that preferably, it is described detection minimum wall thickness (MINI W.) device further include setting insulation crust back segment 8 with
At the link position of insulation crust leading portion 6 and/or metal back cover 9 (is schemed with the sealing element at the link position of insulation crust back segment 8
Do not show), so as to ensure the leakproofness at link position, prevent water from flowing into insulation crust back segment 8 and/or insulation crust leading portion
Lead to detection circuit failure in 6.
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 device for detecting minimum wall thickness (MINI W.), for carrying out the detection of minimum wall thickness (MINI W.) to conductive part to be measured, which is characterized in that
Including vernier caliper (1), the first measurement foot (2), the second measurement foot (3), conductive contact (4), conductive measuring rod (5), absolutely
Edge shell leading portion (6), elastic component (7), insulation crust back segment (8), metal back cover (9), battery (10) and light-emitting component (12),
Vernier caliper (1), the first measurement foot (2) and the second measurement foot (3) are conductive；
First measurement foot (2) and the second measurement foot (3) are fixedly connected with vernier caliper (1) or first measures foot (2) and the
Two measurements foot (3) can be positioned after moving relative to vernier caliper (1)；Insulation crust leading portion (6) and the second measurement foot (3) are solid
Fixed connection or insulation crust leading portion (6) can be positioned after measuring foot (3) movement relative to second；
Conductive measuring rod (5) partially be located at insulation crust leading portion (6) in and with insulation crust leading portion (6) axial sliding fit, bullet
Property part (7) be housed in insulation crust leading portion (6) and be set on conductive measuring rod (5), one end of elastic component (7), which is resisted against, leads
On electrical measurement gauge rod (5), the other end is resisted against on insulation crust back segment (8), insulation crust back segment (8) and insulation crust leading portion (6)
Connection, conductive measuring rod (5) are protruded into insulation crust back segment (8) far from one end of the first measurement foot (2) and are contacted with battery (10),
Metal back cover (9) is connected with insulation crust back segment (8) and is contacted with battery (10), and light-emitting component (12) measures foot with second respectively
(3) it is electrically connected with metal back cover (9)；
Both first measurement foot (2) and conductive measuring rod (5) are separately provided for measurement minimum wall thickness (MINI W.) on opposite end face
Conductive contact (4), the conductive contact (4) on conductive measuring rod (5) are pierced by insulation crust leading portion (6).
2. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
It further include the conduct piece (11) being housed in insulation crust back segment (8) and for playing rebound effect；
Conduct piece (11) one end is contacted with battery (10), and the other end is contacted with metal back cover (9).
3. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
Conductive contact (4) is adjustably connected on the first measurement foot (2) up and down；And/or
Insulation crust leading portion (6) is adjustably connected on the second measurement foot (3) up and down.
4. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
The positive foot of light-emitting component (12) is weldingly fixed on the second measurement foot (3), cathode foot be clipped in metal back cover (9) and absolutely
Between edge shell back segment (8).
5. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
Gap between conductive measuring rod (5) and insulation crust leading portion (6) in radial directions is less than or equal to 0.02mm.
6. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
First measurement foot (2) is fixedly connected with vernier caliper (1), the second measurement foot (3) and vernier caliper (1) detachable fastening
Connection.
7. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
The handle held convenient for user is additionally provided on vernier caliper (1).
8. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
It further includes setting at the link position of insulation crust back segment (8) and insulation crust leading portion (6) and/or metal back cover
(9) and at the link position of insulation crust back segment (8) and for playing the sealing element of sealing function.
9. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
Battery (10) is dry cell or lithium coin cells.
10. the device of detection minimum wall thickness (MINI W.) as described in claim 1, which is characterized in that
Conductive contact (4) is ball, cylindrical contact, contact ax-shaped, ball-type contact or oval contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978071.9U CN209055043U (en) | 2018-11-28 | 2018-11-28 | Detect the device of minimum wall thickness (MINI W.) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978071.9U CN209055043U (en) | 2018-11-28 | 2018-11-28 | Detect the device of minimum wall thickness (MINI W.) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209055043U true CN209055043U (en) | 2019-07-02 |
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ID=67054579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821978071.9U Active CN209055043U (en) | 2018-11-28 | 2018-11-28 | Detect the device of minimum wall thickness (MINI W.) |
Country Status (1)
| Country | Link |
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| CN (1) | CN209055043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707188A (en) * | 2020-06-10 | 2020-09-25 | 湖北亿鹏展精密机械有限公司 | Laser-based on-machine measuring device and measuring method |
| CN114199107A (en) * | 2021-12-13 | 2022-03-18 | 中国航发南方工业有限公司 | Device and method for detecting wall thickness of cylinder of piston type aero-engine |
-
2018
- 2018-11-28 CN CN201821978071.9U patent/CN209055043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707188A (en) * | 2020-06-10 | 2020-09-25 | 湖北亿鹏展精密机械有限公司 | Laser-based on-machine measuring device and measuring method |
| CN114199107A (en) * | 2021-12-13 | 2022-03-18 | 中国航发南方工业有限公司 | Device and method for detecting wall thickness of cylinder of piston type aero-engine |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190710 Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: Zhuzhou Air China power precision is cast with limit company |
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| TR01 | Transfer of patent right |