CN203561316U - Detection apparatus of invisible cavity of plate part - Google Patents
Detection apparatus of invisible cavity of plate part Download PDFInfo
- Publication number
- CN203561316U CN203561316U CN201320780963.9U CN201320780963U CN203561316U CN 203561316 U CN203561316 U CN 203561316U CN 201320780963 U CN201320780963 U CN 201320780963U CN 203561316 U CN203561316 U CN 203561316U
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- sleeve
- crossbeam
- lining
- backstay
- invisible
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A detection apparatus of invisible cavities of plate parts belongs to the technical field of aero-engines. The detection apparatus adopts a rotary positioning rod, and solves problems that after a comparison with a standard component, a detection apparatus cannot go into the part to perform detection because an inner diameter size of an internal cavity profile of a plate part or a cartridge receiver part is larger than an opening diameter size. The detection apparatus is strong in universality, can detect various plate parts and cartridge receiver parts of different heights and different profile sizes, and helps to improve the detection precision and qualified rates of the plate parts and cartridge receiver parts. The detection apparatus comprises a beam having through holes, wherein a rotation mechanism and a measuring mechanism are disposed at two ends of the beam respectively; the rotation mechanism is composed of an upper lining, a lower lining, a nut, a gasket, a rotation shaft, a bearer and a positioning rod; and the measuring mechanism is composed of a mounting base, a sleeve, a measuring rod, an indicating gauge and a gauge clamp.
Description
Technical field
The utility model belongs to aero engine technology field, particularly relates to the pick-up unit of the invisible die cavity of a kind of disk-like accessory.
Background technology
In aeromotor, dish class, casing class part are the strength members of aeromotor, and aeromotor safe reliability was had a significant impact serviceable life.Along with the development of aircraft industry technology, also just stricter to the dimension precision requirement of disk-like accessory.Disk-like accessory complex structure, poor rigidity, accuracy requirement are high, check the inside and outside periphery of disk-like accessory, the comb tooth diameter equidimension of obturaging check, can select the general gage measurings such as outside micrometer, micrometer inside caliper, also can adopt special inside and outside footpath measuring tool to measure.But work as, detect the dish class that inner chamber profile diameter dimension is greater than opening diameter size, during casing class ring-shaped work pieces, because measuring tool is with after standard component his-and-hers watches, cannot enter in part die cavity and measure, while being greater than opening diameter size 5～10mm for the inner chamber molding surface size of part, adopt backing pin form in the past, measuring tool is with after standard component his-and-hers watches, the measuring seat of measuring tool may slide into backing pin position, utilize spring force to touch inner chamber profile, but differ larger part for inner chamber profile diameter dimension and opening diameter size, as shown in Figure 3, the inner chamber profile diameter dimension of casing is greater than opening diameter size 50mm～100mm, during measurement, spring force lost efficacy, measuring tool cannot enter in the inner chamber profile of casing, thereby cannot realize accurate detection.
Utility model content
The problem existing for prior art, the utility model provides the pick-up unit of the invisible die cavity of a kind of disk-like accessory, this device adopts rotatable backstay, the inner chamber profile internal diameter size that has solved dish class, casing class part is greater than opening diameter size, cannot enter the problem of detection in part with the pick-up unit after standard component his-and-hers watches; This device highly versatile, can detect various disk-like accessories, the casing class part of differing heights, different molding surface sizes, has improved accuracy of detection and the qualification rate of dish class, casing class part.
To achieve these goals, the utility model adopts following technical scheme: the pick-up unit of the invisible die cavity of a kind of disk-like accessory, comprise the crossbeam with through hole, at the two ends of crossbeam, be respectively arranged with rotating mechanism and measuring mechanism, rotating mechanism is by upper, lower lining, nut, packing ring, rotating shaft, bearing and backstay composition, upper lining is arranged in the through hole of crossbeam, lower lining is fixed on by bearing on the bottom surface of crossbeam, rotating shaft is by upper, lower lining is arranged on crossbeam, and rotating shaft and upper, between lower lining, leave gap, the top of rotating shaft is threaded rod, threaded rod is arranged on lining top, the bottom of rotating shaft is round bar, the diameter of threaded rod is less than the diameter of round bar, on threaded rod, be provided with packing ring, above packing ring, on threaded rod, be provided with nut, below lower lining, round bar bottom is fixed with backstay, the outer face of backstay is sphere, described measuring mechanism is comprised of holder, sleeve, sounding rod, dial gauge and table folder, sleeve is fixed on by holder on the bottom surface of crossbeam, sleeve is connected and is formed by second sleeve in the first sleeve and the first sleeve outside, the internal diameter of the first sleeve is greater than the internal diameter of the second sleeve, in sleeve, be provided with sounding rod, in the first sleeve, on sounding rod, be provided with block, the outer end of sounding rod is arranged on the outside of the second sleeve, the outer face of sounding rod is sphere, and the outer end sphere centre of sounding rod and the outer end sphere centre of backstay can be arranged on the same straight line of same level, on the first sleeve, be provided with table folder, it is upper that dial gauge is fixed on table folder, and the interior end in contact of the sounding rod in the contact of dial gauge and the first sleeve, in the first sleeve, table presss from both sides between the block of sounding rod and be provided with spring.
On the lateral wall at the top of lining, be provided with projection on described, projection is arranged on the top of crossbeam.
On the lateral wall of the bottom of described lower lining, be provided with lower convexity, lower convexity is arranged on the below of bearing.
The length of described backstay is longer than the distance between rotating shaft and adjacent crossbeam end face.
On described beam side wall, be provided with rotary shaft set bolt.
Bottom at described round bar is provided with baffle plate, and baffle plate is arranged on the below of lower lining; When baffle plate and lower lining close contact, between packing ring bottom surface and the end face of upper lining, leave gap, round bar end face is higher than the end face of upper lining.
Above described nut, the top of threaded rod is fixedly connected with handle; On handle, be vertically provided with mounting hole, the top of rotating shaft is arranged in the mounting hole of handle, and by horizontal pin, is fixedly connected with between the top of rotating shaft and handle.
At described backstay side, rest base, be fixed with spacer pin, and the sidewall close contact of the sidewall of spacer pin and backstay, now the outer end of backstay is arranged on the outside of crossbeam, and the outer end sphere centre of backstay and the outer end sphere centre of sounding rod are arranged on the same straight line of same level.
In described crossbeam bottom, be fixed with the first locating piece, the second locating piece, the first locating piece is arranged between rotating mechanism and adjacent crossbeam end face, and the second locating piece is arranged between measuring mechanism and adjacent crossbeam end face.
The beneficial effects of the utility model:
The utility model device adopts rotatable backstay, the inner chamber profile internal diameter size that has solved dish class, casing class part is greater than its upper end open diameter dimension, with the measuring tool after standard component his-and-hers watches, cannot enter the problem detecting in part, improved the qualification rate of accuracy of detection and product, production efficiency improves 50%, shorten Fixture Design and manufacturing cycle, saved 50,000 yuan of frock expenses; The utility model device highly versatile, can detect the disk-like accessory of differing heights, different molding surface sizes, is a kind of pick-up unit of applying.
Accompanying drawing explanation
Fig. 1 is the pick-up unit of the invisible die cavity of disk-like accessory of the present utility model structural representation under use state;
Fig. 2 is the vertical view of the pick-up unit of the invisible die cavity of disk-like accessory of the present utility model in Fig. 1;
Fig. 3 is the structural representation of casing;
In figure, 1-crossbeam, 2--rotating mechanism, 3--measuring mechanism, 4--rotating shaft, 5-threaded rod, 6-round bar, 7-baffle plate, the upper lining of 8--, 9--projection, 10--nut, 11-packing ring, 12--handle, 13--bearing, lining under 14--, 15--lower convexity, 16--backstay, 17--the first locating piece, 18--rotary shaft set bolt, 19--holder, 20--fixed orifice, 21--sleeve, 22--the first sleeve, 23--the second sleeve, 24--sounding rod, 25--block, 26--shows folder, 27--dial gauge hold-down nut, 28--dial gauge, 29--contact, 30--spring, 31--the second locating piece, 32-spacer pin, 33-casing, 34-internal diameter to be measured.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in FIG. 1 to 3, the pick-up unit of the invisible die cavity of a kind of disk-like accessory, comprise the crossbeam 1 of the through hole with vertical setting, on a left side for crossbeam 1, right two ends are respectively arranged with rotating mechanism 2 and measuring mechanism 3, rotating mechanism 2 is by upper, lower lining, handle 12, nut 10, packing ring 11, rotating shaft 4, bearing 13 and backstay 16 form, in the through hole of crossbeam 1, be provided with the upper lining 8 of tubular, on the lateral wall at the top of upper lining 8, be provided with projection 9, projection 9 is arranged on the top of crossbeam 1, between the bottom surface of the bottom surface of upper lining 8 and crossbeam 1, leave distance, on the bottom surface of crossbeam 1, fixedly there is the bearing 13 of through hole, in the through hole of bearing 13, be provided with the lower lining 14 of tubular, between lower lining 14 and upper lining 8, leave distance, on the lateral wall of the bottom of lower lining 14, be provided with lower convexity 15, lower convexity 15 is arranged on the below of bearing 13, rotating shaft 4 is by upper, lower lining is arranged on crossbeam 1, rotating shaft 4 is with upper, between lower lining, leave gap, between the madial wall of the lateral wall of rotating shaft 4 and upper lining 8, gap between the madial wall of the lateral wall of rotating shaft 4 and lower lining 14 is 0.003～0.008mm, rotating shaft 4 can be upper, in lower lining, freely rotate, the top of rotating shaft 4 is threaded rod 5, threaded rod 5 is arranged on lining 8 tops, the bottom of rotating shaft 4 is round bar 6, the diameter of threaded rod 5 is less than the diameter of round bar 6, on threaded rod 5, be provided with packing ring 11, above packing ring 11, be provided with nut 10 on threaded rod 5, above nut 10, the top of threaded rod 5 is fixedly connected with handle 12, in the bottom of round bar 6, be provided with baffle plate 7, baffle plate 7 is arranged on the below of the lower convexity 15 of lower lining 14, when the close contact of the bottom surface of the end face of baffle plate 7 and the lower convexity 15 of lower lining 14, gap between the end face of the projection 9 of packing ring 11 bottom surfaces and upper lining 8 is 0.005～0.01mm, and round bar 6 end faces are higher than the end face 0.005～0.01mm of upper lining 8, below the baffle plate 7 of rotating shaft 4, round bar 6 bottoms are fixed with the inner of backstay 2, the length of backstay 2 is longer than the length between rotating shaft 4 and adjacent crossbeam 1 end face, the outer face of backstay 2 is sphere, between upper lining 8 and lower lining 14, be provided with rotary shaft set bolt 18 on crossbeam 1 sidewall, the ailhead of described rotary shaft set bolt 18 can be by the sidewall close contact of crossbeam 1 sidewall and rotating shaft 4, for fixed rotating shaft 4, described measuring mechanism 3 is comprised of holder 19, sleeve 21, sounding rod 24, dial gauge 28 and table folder 26, holder 19 is fixed on the bottom surface of crossbeam 1, in holder 19 bottom transverse, be provided with fixed orifice 20, sleeve 21 is fixedly connected with holder 19 by fixed orifice 20, sleeve 21 is connected and is formed by the first coaxial sleeve 22 and the second sleeve 23, the second sleeve 23 is arranged on the outside of the first sleeve 22, the inside and outside footpath of the first sleeve 22 is greater than respectively the inside and outside footpath of the second sleeve 23, the first sleeve 22 is arranged on holder 19 inner sides, and the outer end of the second sleeve 23 is arranged on the outside of holder 19 by the fixed orifice 20 of holder 19, in sleeve 21, be provided with sounding rod 24, in the first sleeve 22, on the inner lateral wall of sounding rod 24, be provided with block 25, the outer end of sounding rod 24 is arranged on the outside of the second sleeve 23 by the second sleeve 23, the outer face of described sounding rod 24 is sphere, and the outer end sphere centre of sounding rod 24 and the outer end sphere centre of backstay 16 can be arranged on the same straight line of same level, on sleeve 21, be provided with table folder 26, the lateral wall of the first sleeve 22 is threaded connection with the madial wall of one end of table folder 26, dial gauge 28 is fixed on table folder 26 by dial gauge hold-down nut 27, the contact 29 of dial gauge 24 presss from both sides 26 endoporus and the interior end in contact that is arranged on the sounding rod 24 in the first sleeve 22 by table, between the block 25 of the first sleeve 22 inside, table folder 26 and sounding rod 24, be provided with spring 30, the block 25 of sounding rod 24 under the effect of spring 30 with an end close contact of the first sleeve 22.
On described handle 12, be vertically provided with mounting hole, the top of rotating shaft 4 is arranged in the mounting hole of handle 12, and by horizontal pin, is fixedly connected with between the top of rotating shaft 4 and handle 12.
In described backstay 16 sides, bearing 13 bottoms, be fixed with spacer pin 32, and the sidewall close contact of the sidewall of spacer pin 32 and backstay 16, now the outer end of backstay 16 is arranged on the outside of crossbeam 1, and the outer end sphere centre of backstay 16 and the outer end sphere centre of sounding rod 24 are arranged on the same straight line of same level.
In order to alleviate the weight of crossbeam 1, on described crossbeam 1, be provided with some circular holes.
In the bottom of described crossbeam 1 left end, being fixed with the first locating piece 17, the first locating pieces 17 is arranged between rotating mechanism 2 and the left side of crossbeam 1; In the bottom of crossbeam 1 right-hand member, being fixed with the second locating piece 31, the second locating pieces 31 is arranged between measuring mechanism 3 and the right side of crossbeam 1.
Below in conjunction with accompanying drawing, use procedure of the present utility model is described:
As shown in FIG. 1 to 3, first by dial gauge 28 of the present utility model by carrying out his-and-hers watches with the measure-alike standard component of the internal diameter to be measured 34 of casing 33, be about to dial gauge 28 pointers and adjust to zero-bit, now the outer end sphere centre of sounding rod 24 and the outer end sphere centre of backstay 16 are arranged on the same straight line of same level.While detecting internal diameter 34 size to be measured of casing 33, clockwise rotating handle 12 makes backstay 16 rotate to the position perpendicular with crossbeam 1, sounding rod 24 is placed in casing 33, first, the upper surface that the second locating piece is placed on casing 33 positions, then rotate counterclockwise handle 12, backstay 16 is turned to and the position of spacer pin 32 close contacts, now the outer end sphere centre of backstay 16 outer end sphere centre and sounding rod 24 is on the same straight line of same level, screw in rotary shaft set bolt 18, stationary positioned bar 16, the outer face of backstay 16 and the internal diameter to be measured 34 of casing 33 are contacted, the outer face of sounding rod 24 contacts with the internal diameter to be measured 34 of casing 33 under the effect of spring 30, the numerical value that now dial gauge 28 reflects, for the deviate of the size with respect to standard component, it is the deviate of the internal diameter size of casing 33 and the size of standard component, realized the detection of the invisible inner chamber molding surface size to casing 33.
Claims (9)
1. the pick-up unit of the invisible die cavity of disk-like accessory, it is characterized in that comprising the crossbeam with through hole, at the two ends of crossbeam, be respectively arranged with rotating mechanism and measuring mechanism, rotating mechanism is by upper, lower lining, nut, packing ring, rotating shaft, bearing and backstay composition, upper lining is arranged in the through hole of crossbeam, lower lining is fixed on by bearing on the bottom surface of crossbeam, rotating shaft is by upper, lower lining is arranged on crossbeam, and rotating shaft and upper, between lower lining, leave gap, the top of rotating shaft is threaded rod, threaded rod is arranged on lining top, the bottom of rotating shaft is round bar, the diameter of threaded rod is less than the diameter of round bar, on threaded rod, be provided with packing ring, above packing ring, on threaded rod, be provided with nut, below lower lining, round bar bottom is fixed with backstay, the outer face of backstay is sphere, described measuring mechanism is comprised of holder, sleeve, sounding rod, dial gauge and table folder, sleeve is fixed on by holder on the bottom surface of crossbeam, sleeve is connected and is formed by second sleeve in the first sleeve and the first sleeve outside, the internal diameter of the first sleeve is greater than the internal diameter of the second sleeve, in sleeve, be provided with sounding rod, in the first sleeve, on sounding rod, be provided with block, the outer end of sounding rod is arranged on the outside of the second sleeve, the outer face of sounding rod is sphere, and the outer end sphere centre of sounding rod and the outer end sphere centre of backstay can be arranged on the same straight line of same level, on the first sleeve, be provided with table folder, it is upper that dial gauge is fixed on table folder, and the interior end in contact of the sounding rod in the contact of dial gauge and the first sleeve, in the first sleeve, table presss from both sides between the block of sounding rod and be provided with spring.
2. the pick-up unit of the invisible die cavity of disk-like accessory according to claim 1, is characterized in that being provided with projection on the lateral wall at the top of lining on described, and projection is arranged on the top of crossbeam.
3. the pick-up unit of the invisible die cavity of disk-like accessory according to claim 1, is characterized in that being provided with lower convexity on the lateral wall of the bottom of described lower lining, and lower convexity is arranged on the below of bearing.
4. the pick-up unit of the invisible die cavity of disk-like accessory according to claim 1, the length that it is characterized in that described backstay is longer than the distance between rotating shaft and adjacent crossbeam end face.
5. the pick-up unit of the invisible die cavity of disk-like accessory according to claim 1, is characterized in that being provided with rotary shaft set bolt on described beam side wall.
6. the pick-up unit of the invisible die cavity of disk-like accessory according to claim 1, is characterized in that being provided with baffle plate in the bottom of described round bar, and baffle plate is arranged on the below of lower lining; When baffle plate and lower lining close contact, between packing ring bottom surface and the end face of upper lining, leave gap, round bar end face is higher than the end face of upper lining.
7. the pick-up unit of the invisible die cavity of disk-like accessory according to claim 1, is characterized in that above described nut, the top of threaded rod is fixedly connected with handle; On handle, be vertically provided with mounting hole, the top of rotating shaft is arranged in the mounting hole of handle, and by horizontal pin, is fixedly connected with between the top of rotating shaft and handle.
8. the pick-up unit of the invisible die cavity of disk-like accessory according to claim 1, it is characterized in that being fixed with spacer pin at described backstay side, rest base, and the sidewall close contact of the sidewall of spacer pin and backstay, now the outer end of backstay is arranged on the outside of crossbeam, and the outer end sphere centre of backstay and the outer end sphere centre of sounding rod are arranged on the same straight line of same level.
9. the pick-up unit of the invisible die cavity of disk-like accessory according to claim 1, it is characterized in that being fixed with the first locating piece, the second locating piece in described crossbeam bottom, the first locating piece is arranged between rotating mechanism and adjacent crossbeam end face, and the second locating piece is arranged between measuring mechanism and adjacent crossbeam end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780963.9U CN203561316U (en) | 2013-11-29 | 2013-11-29 | Detection apparatus of invisible cavity of plate part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780963.9U CN203561316U (en) | 2013-11-29 | 2013-11-29 | Detection apparatus of invisible cavity of plate part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203561316U true CN203561316U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320780963.9U Expired - Fee Related CN203561316U (en) | 2013-11-29 | 2013-11-29 | Detection apparatus of invisible cavity of plate part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203561316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284210A (en) * | 2020-11-16 | 2021-01-29 | 中国航发沈阳黎明航空发动机有限责任公司 | Measuring tool for rapidly measuring diameter of conical inner cavity casing |
-
2013
- 2013-11-29 CN CN201320780963.9U patent/CN203561316U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284210A (en) * | 2020-11-16 | 2021-01-29 | 中国航发沈阳黎明航空发动机有限责任公司 | Measuring tool for rapidly measuring diameter of conical inner cavity casing |
| CN112284210B (en) * | 2020-11-16 | 2021-12-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Measuring tool for rapidly measuring diameter of conical inner cavity casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20171129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |