CN209605747U - The concentric measuring instrument of high pressure rotor inner hole - Google Patents
The concentric measuring instrument of high pressure rotor inner hole Download PDFInfo
- Publication number
- CN209605747U CN209605747U CN201920467703.3U CN201920467703U CN209605747U CN 209605747 U CN209605747 U CN 209605747U CN 201920467703 U CN201920467703 U CN 201920467703U CN 209605747 U CN209605747 U CN 209605747U
- Authority
- CN
- China
- Prior art keywords
- high pressure
- pressure rotor
- inner hole
- sensor
- measuring rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides the concentric measuring instrument of high pressure rotor inner hole, belong to testing equipment field, including air-float turntable, connector sleeve, measuring rod and sensor, the air-float turntable includes rotary body and fixed hub, the measuring rod is detachable to be vertically installed in the rotary body lower end, the sensor is embedded in the measuring rod and is correspondingly arranged with the inner section of high pressure rotor, the lower end and the two that the connection is set in the fixed hub are fixedly connected, described to connect the outer ring for being set in the rotary body and fix to the upper end of high pressure rotor.The utility model can fast and accurately measure the concentricity of high pressure rotor, and easy to operate.
Description
Technical field
The utility model belongs to detection device apparatus field, is related to the measuring device of aircraft engine high pressure rotor, especially
It is related to the concentric measuring instrument of high pressure rotor inner hole of air floating structure.
Background technique
Aero-engine is a kind of highly complex and accurate thermal machine, and the hair of power needed for flying is provided for aircraft
Motivation, it directly affects the performance, reliability and economy of aircraft, and high pressure rotor is the important part of aero-engine, work
Make under state, ultrahigh speed operating, it is necessary to assure the concentricity of the rotor of high pressure, therefore aircraft engine high pressure rotor measures with one heart
Extremely important, there is no the measurement methods of convenience and high-efficiency at present.
If the precision of structure itself just not can guarantee using traditional structure, the cooperation precision of detection structure is much
Lower than tested part, then measurement structure is meaningless, the quality of part can not be more determined, if carrying out zero using three coordinates
The detection of part, not only equipment is expensive, and troublesome in poeration, and working efficiency is low.
Utility model content
Problem to be solved in the utility model is to be to provide a kind of concentric measuring instrument of high pressure rotor inner hole, can be quick and precisely
Measurement high pressure rotor concentricity, and it is easy to operate.
In order to solve the above technical problems, the technical solution adopted in the utility model is: the concentric measuring instrument of high pressure rotor inner hole,
Including air-float turntable, connector sleeve, measuring rod and sensor, the air-float turntable includes rotary body and fixed hub, the measurement
Bar is detachable to be vertically installed in the rotary body lower end, the sensor be embedded in the measuring rod and with high pressure rotor
Inner section is correspondingly arranged;
The lower end and the two that the connection is set in the fixed hub are fixedly connected, and the connection is set in the rotation
The outer ring of body and the upper end of high pressure rotor is fixed.
Further, the measuring rod extend into the inner ring setting of high pressure rotor and is equipped with gap, the survey therebetween
Gauge rod and high pressure rotor are coaxially disposed.
Further, the measuring rod is equipped at least multiple locating slots, one institute of a locating slot matching setting
State sensor, the sensor be located in the locating slot and with measuring rod is detachable is fixedly connected, each locating slot
One end close to the sensor sensing head is equipped with the bit-avoiding slot for facilitating the sensor installation.
Further, the measuring rod is hollow cylinder structure.
Further, the connector sleeve and high pressure rotor are coaxially disposed, and are equipped in the connector sleeve and are kept away a T-slot, described
The part that rotary body protrudes the fixed hub is located at the upper end for keeping away a T-slot and the two is coaxially disposed, the measuring rod
It is connect across the lower end for keeping away a T-slot with the rotary body.
Further, the lower end of the connector sleeve is locking end, and the locking end is equipped with and is divided at least two
The locking slot that point Open Side Down, the locking end include the straightway of upper end and the segmental arc of lower end, the segmental arc it is straight
Diameter is gradually reduced downwards, and the outer ring of the locking end is equipped with locknut, and the upper end of the locknut is threadedly coupled with the straightway, institute
The lower end for stating locknut is bonded setting with the segmental arc.
Further, the quantity of the locking slot is three and the axle center of the relatively described connector sleeve is uniformly arranged.
Further, the inner ring of the connector sleeve is equipped with the shoulder positioned to the upper end of high pressure rotor.
Further, further include control unit, receive the data detection signal of the sensor.
Further, the data detection signal is transferred to data processing module and controls its fortune by described control unit
Turn, it is that control centre's control display module shows the data processing module as a result, described control unit is using PLC control.
Compared with prior art, the utility model has the advantage that as follows with good effect.
1, then the utility model rotary body rotation can drive measuring rod, sensor rotates together during
Realize the test to high pressure rotor inner hole surface, while the setting of connector sleeve realizes the clamping position to high pressure rotor, whole knot
Structure relates only to connector sleeve and two parts being directly fixedly connected of measuring rod on the basis of air-float turntable, and part is few, structure letter
It is single, it is low using high-accuracy processing cost, it reduces costs, it is easier to guarantee precision, convenient for assembly, the measuring instrument debugging after assembly
Also more convenient, overall precision is high, guarantees the accuracy of measurement result;
2, the position of the quantity of sensor and setting is determined according to the high pressure rotor specification of actual measurement, and different rotors needs
The inner hole surface to be measured is different, and the height of sensor is targetedly arranged, and the specification of Modifying surveying bar can be realized to different height
Press the measurement of rotor;
3, locking end and locknut be set, during high pressure rotor dismounting and change, it is only necessary to adjust locknut, other parts
It is motionless, it ensure that the registration accuracy of resetting, avoid measuring instrument secondary correction, promote testing efficiency;
4, the inner ring of connector sleeve is equipped with the shoulder positioned to the upper end of high pressure rotor, in replacement high pressure rotor test
When, it can be achieved that quickly positioning, guarantee that the positioning of each high pressure rotor is identical, the centre of gravity adjustment of entire measuring instrument avoided to proofread,
The registration accuracy for promoting the efficiency and reciprocating operation back and forth tested, guarantees the accuracy of measurement result.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.In
In attached drawing:
Fig. 1 is the structural schematic diagram of the concentric measuring instrument of the utility model high pressure rotor inner hole;
Fig. 2 is the cross-sectional view of the concentric measuring instrument of the utility model high pressure rotor inner hole;
Fig. 3 is the portion the A detail drawing of the utility model Fig. 1;
Fig. 4 is the structural schematic diagram that the utility model connector sleeve is overlooked;
Fig. 5 is the structural schematic diagram that the utility model connector sleeve is looked up;
Fig. 6 is the structural schematic diagram in the concentric measuring instrument practical work process of the utility model high pressure rotor inner hole.
Appended drawing reference:
1, air-float turntable;11, fixed hub;12, rotary body;2, connector sleeve;21, a T-slot is kept away;22, locking end;221,
Straightway;222, segmental arc;223, locking slot;224, shoulder;3, locknut;4, measuring rod;41, locating slot;42, bit-avoiding slot;5,
Sensor;6, high pressure rotor.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
It elaborates with reference to the accompanying drawing to specific embodiment of the utility model.
As shown in Fig. 1~Fig. 6, the utility model is the concentric measuring instrument of high pressure rotor inner hole, including air-float turntable 1, connection
Set 2, measuring rod 4 and sensor 5, air-float turntable 1 include rotary body 12 and fixed hub 11, and measuring rod 4 is detachable vertical solid
It is located at 12 lower end of rotary body, sensor 5 is embedded in measuring rod 4 and is correspondingly arranged with the inner section of high pressure rotor 6, connector sleeve 2
The lower end and the two for being located at fixed hub 11 are fixedly connected, and connector sleeve 2 is located at the outer ring of rotary body 12 and to the upper of high pressure rotor 6
End is fixed, and then the rotation of rotary body 12 can drive measuring rod 4, sensor 5 can be realized rotate together during to height
The test of 6 inner hole surface of rotor is pressed, while the setting of connector sleeve 2 realizes the clamping position to high pressure rotor 6, total is with gas
On the basis of floating turntable 1, connector sleeve 2 and 4 two parts being directly fixedly connected of measuring rod are related only to, part is few, and structure is simple,
It is low using high-accuracy processing cost, it reduces costs, it is easier to guarantee precision, convenient for assembly, the measuring instrument debugging after assembly
More convenient, overall precision is high, guarantees the accuracy of measurement result.
The application of air-float turntable 1 is more and more wider, can substantially reduce the frictional force between two parts, guarantees that part is opposite
The stationarity of movement, energy saving, pneumatically supported working principle are the setting air bearing channels on following part, and logical by air bearing
Road is blown upwards, and part above under the influence of gas, greatly reduces the frictional force between lower members, is conducive to above
The trace regulation of part, precision are high.
Preferably, measuring rod 4 extend into the inner ring setting of high pressure rotor 6 and is equipped with gap therebetween, facilitates non-contact
The installation of formula sensor 5, measuring rod 4 and high pressure rotor 6 are coaxially disposed, and guarantee the accuracy of concentricity test data.
Preferably, measuring rod 4 is equipped at least multiple locating slots 41, and a sensor 5 is arranged in a matching of locating slot 41,
Sensor 5 be located in locating slot 41 and with measuring rod 4 is detachable is fixedly connected, each locating slot 41 incudes close to sensor 5
One end of head is equipped with the bit-avoiding slot 42 for facilitating 5 installation of sensor, and sensor 5 can be contact or contactless, according to survey
The precision of amount is selected and is determined that the quantity of sensor 5 and the position of setting are true according to 6 specification of high pressure rotor of actual measurement
Fixed, the inner hole surface that different rotors needs to measure is different, and the height of sensor 5, the specification of Modifying surveying bar 4 is targetedly arranged
The measurement to different high pressure rotors 6 can be realized, measuring rod 4 can be directlyed adopt with rotary body 12 and is threadedly coupled, and can also be used
The fixed mode of screw carries out detachable connection, and structure is simple, easy to operate;It is highly preferred that measuring rod 4 is hollow cylinder knot
Structure, selection is convenient, at low cost, and intensity is high, facilitates processing, and can reduce the load of rotary body 12.
Preferably, connector sleeve 2 and high pressure rotor 6 are coaxially disposed, and are equipped in connector sleeve 2 and are kept away a T-slot 21, rotary body 12
The part of protrusion fixed hub 11 is located at the upper end for keeping away a T-slot 21 and the two is coaxially disposed, and measuring rod 4 passes through and keeps away a T-slot
21 lower end is connect with rotary body 12, simple and compact for structure, and by built in connection structure, shape is more beautiful.
Preferably, the lower end of connector sleeve 2 is locking end 22, and locking end 22 is equipped with and is divided at least two-part open
Mouthful downward locking slot 223, locking end 22 include the straightway 221 of upper end and the segmental arc 222 of lower end, segmental arc 222 it is straight
Diameter is gradually reduced downwards, and the outer ring of locking end 22 is equipped with locknut 3, and the upper end of locknut 3 is threadedly coupled with straightway 221, locknut
Lower end is bonded setting with segmental arc 222, and during nut is constantly locked, locknut 3 closely presses segmental arc 222, segmental arc
The tightening of 222 stress, completion grips 6 upper end of high pressure rotor, easy to operate, due to 6 dismounting and change of high pressure rotor
In the process, it is only necessary to adjust locknut 3, other parts are motionless, ensure that the registration accuracy of resetting, avoid measuring instrument two
Secondary correction promotes testing efficiency;It is highly preferred that the quantity of locking slot 223 is three and the axle center of opposite connector sleeve 2 is laid
It sets, structure is simple, under the premise of proof strength, is more advantageous to locking.
Preferably, the inner ring of connector sleeve 2 is equipped with the shoulder 224 positioned to the upper end of high pressure rotor 6, in replacement high pressure
, it can be achieved that quickly positioning, guarantees that the positioning of each high pressure rotor 6 is identical, avoid the weight of entire measuring instrument when rotor 6 is tested
Heart adjustment check and correction, promotes the registration accuracy of the efficiency and reciprocating operation back and forth tested, guarantees the accuracy of measurement result.
It preferably, further include control unit, accurate circle can be used in the data detection signal of receiving sensor 51, sensor 51
Grating sensor 51 completes the timely acquisition and processing of data;It is highly preferred that control unit will test data signal transmission to number
According to processing module and control its operating, control centre control display module show data processing module as a result, data processing mould
Block measures analysis module using roundness measuring equipment, and control unit is controlled using PLC, and programming is simple, easy to operate.
In practical work process, on the securing means by the installation of air-float turntable 1, air-float turntable 1 is fixed by connector sleeve 2
To tested 6 top of aircraft engine high pressure rotor, locknut 3 is locked, and measuring rod 4 is connected to the rotary body 12 of air-float turntable 1, more
A sensor 5 is attached on measuring rod 4, faces the inner hole surface of tested aircraft engine high pressure rotor 6, and rotary body 12 rotates,
It drives the sensor 5 on measuring rod 4 to rotate, measures circularity and bias of each measurement inner hole surface with respect to 1 rotary shaft of air-float turntable, warp
It crosses and calculates the concentricity measurement data it can be concluded that each inner headed face of high pressure rotor 6, this structure re-uses the height of air-float turntable 1
Precision and motion principle, the product of our company can be used in air-float turntable 1, patented, this structure can fast and accurately measure height
The concentricity of rotor 6 is pressed, and easy to operate, after the completion of a test, unclamping nut can quickly be removed, and be completed next
The installation of a high pressure rotor 6, convenient disassembly promote the efficiency of test.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (10)
1. the concentric measuring instrument of high pressure rotor inner hole, it is characterised in that: including air-float turntable, connector sleeve, measuring rod and sensor, institute
Stating air-float turntable includes rotary body and fixed hub, and the measuring rod is detachable to be vertically installed in the rotary body lower end, institute
Sensor is stated to be embedded in the measuring rod and be correspondingly arranged with the inner section of high pressure rotor;
The lower end and the two that the connection is set in the fixed hub are fixedly connected, and the connection is set in the rotary body
Outer ring and the upper end of high pressure rotor is fixed.
2. the concentric measuring instrument of high pressure rotor inner hole according to claim 1, it is characterised in that: the measuring rod extend into height
It presses the inner ring setting of rotor and is equipped with gap therebetween, the measuring rod and high pressure rotor are coaxially disposed.
3. the concentric measuring instrument of high pressure rotor inner hole according to claim 1, it is characterised in that: the measuring rod is equipped with extremely
Few multiple locating slots, locating slot matching one sensor of setting, the sensor are located in the locating slot
And with measuring rod is detachable is fixedly connected, each locating slot is equipped with conveniently close to one end of the sensor sensing head
The bit-avoiding slot of the sensor installation.
4. described in any item concentric measuring instruments of high pressure rotor inner hole according to claim 1~3, it is characterised in that: the measurement
Bar is hollow cylinder structure.
5. described in any item concentric measuring instruments of high pressure rotor inner hole according to claim 1~3, it is characterised in that: the connection
Set is coaxially disposed with high pressure rotor, is equipped in the connector sleeve and is kept away a T-slot, the rotary body protrudes the portion of the fixed hub
Set up separately in the upper end for keeping away a T-slot and the two coaxial arrangement, the measuring rod passes through lower end and the institute for keeping away a T-slot
State rotary body connection.
6. the concentric measuring instrument of high pressure rotor inner hole according to claim 5, it is characterised in that: the lower end of the connector sleeve is
Locking end, the locking end are equipped with and are divided into at least two-part locking slot that Open Side Down, and the locking end includes
The straightway of upper end and the segmental arc of lower end, the diameter of the segmental arc are gradually reduced downwards, and the outer ring of the locking end is equipped with
Locknut, the upper end of the locknut are threadedly coupled with the straightway, and the lower end of the locknut is bonded setting with the segmental arc.
7. the concentric measuring instrument of high pressure rotor inner hole according to claim 6, it is characterised in that: the quantity of the locking slot is
The axle center of three and the relatively described connector sleeve is uniformly arranged.
8. the concentric measuring instrument of high pressure rotor inner hole according to claim 6, it is characterised in that: the inner ring of the connector sleeve is set
There is the shoulder positioned to the upper end of high pressure rotor.
9. according to claim 1~3,6~8 described in any item concentric measuring instruments of high pressure rotor inner hole, it is characterised in that: also wrap
Control unit is included, the data detection signal of the sensor is received.
10. the concentric measuring instrument of high pressure rotor inner hole according to claim 9, it is characterised in that: described control unit is by institute
It states data detection signal to be transferred to data processing module and control its operating, control centre's control display module shows the data
Processing module as a result, described control unit using PLC control.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920467703.3U CN209605747U (en) | 2019-04-08 | 2019-04-08 | The concentric measuring instrument of high pressure rotor inner hole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920467703.3U CN209605747U (en) | 2019-04-08 | 2019-04-08 | The concentric measuring instrument of high pressure rotor inner hole |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209605747U true CN209605747U (en) | 2019-11-08 |
Family
ID=68405855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920467703.3U Active CN209605747U (en) | 2019-04-08 | 2019-04-08 | The concentric measuring instrument of high pressure rotor inner hole |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209605747U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109916276A (en) * | 2019-04-08 | 2019-06-21 | 天津中精微仪器设备有限公司 | The concentric measuring instrument of high pressure rotor inner hole |
-
2019
- 2019-04-08 CN CN201920467703.3U patent/CN209605747U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109916276A (en) * | 2019-04-08 | 2019-06-21 | 天津中精微仪器设备有限公司 | The concentric measuring instrument of high pressure rotor inner hole |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105758321B (en) | Train wheel wheelboss inner hole diameter laser measuring system and its measuring method | |
CN102192721B (en) | A kind of automobile engine cylinder-body online detection instrument | |
CN201318937Y (en) | High-precision article size measuring device | |
CN110031352A (en) | Rockwell apparatus Standard Machine and hardness calibration method | |
CN204831259U (en) | Outside diameter detection device in axle sleeve part | |
CN201081677Y (en) | Vertically staggered hole pitch error tester | |
CN204128480U (en) | A kind of aircraft horizontal tail angular displacement sensor detecting device | |
CN210741740U (en) | Calibration device for torque sensor | |
CN109916276A (en) | The concentric measuring instrument of high pressure rotor inner hole | |
CN209605747U (en) | The concentric measuring instrument of high pressure rotor inner hole | |
CN202304709U (en) | Detecting tool for detecting sewing machine tooth frame | |
CN102003931A (en) | Comprehensive detection method and device of tool tapered handle (7:24) | |
CN205981686U (en) | Wheel hub bearing rigid test machine | |
CN109612631B (en) | Engine rotational inertia measuring device | |
CN201885667U (en) | Skirt sleeve type line measuring tool for pistons | |
CN212762484U (en) | Improved ball bar instrument for simultaneously detecting multidimensional errors of machine tool | |
CN201555539U (en) | Air valve check tool | |
CN213363640U (en) | Bearing roller external diameter testing fixture | |
CN211012903U (en) | Measuring device for cylindricity of large-aperture cylinder hole | |
CN208476108U (en) | A kind of zero clearance mechanical detection hole location device | |
CN211084984U (en) | Dial indicator calibrating device | |
CN209371981U (en) | A kind of Portable cylindrical testing apparatus for verticality | |
CN109373852B (en) | Device and method for measuring piston stroke of reciprocating compressor and application of device | |
CN203069122U (en) | Turntable bearing raceway central diameter measuring device | |
CN207123255U (en) | A kind of steel pipe inside and outside circle concentricity device for fast detecting of bicylindrical positioning |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |