CN113899277A - Molded groove position measuring tool and using method - Google Patents

Molded groove position measuring tool and using method Download PDF

Info

Publication number
CN113899277A
CN113899277A CN202111152980.3A CN202111152980A CN113899277A CN 113899277 A CN113899277 A CN 113899277A CN 202111152980 A CN202111152980 A CN 202111152980A CN 113899277 A CN113899277 A CN 113899277A
Authority
CN
China
Prior art keywords
positioning
base
measuring tool
matched
position measuring
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.)
Pending
Application number
CN202111152980.3A
Other languages
Chinese (zh)
Inventor
李康
赵晓妍
魏俊豪
郭东亮
余影锋
雷海峰
张智
吴经武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Aviation Power Co Ltd
Original Assignee
AECC Aviation Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AECC Aviation Power Co Ltd filed Critical AECC Aviation Power Co Ltd
Priority to CN202111152980.3A priority Critical patent/CN113899277A/en
Publication of CN113899277A publication Critical patent/CN113899277A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0018Measuring arrangements characterised by the use of mechanical techniques for measuring key-ways

Abstract

The invention provides a molded groove position measuring tool and a using method thereof, wherein the molded groove position measuring tool comprises a base, a bolt, a bushing, a positioning pin and a positioning bushing; the base is provided with a positioning hole, and the positioning pin is in inserting fit with the positioning hole and used for positioning a part to be detected; the outer surface of the base is provided with a plurality of precision holes, the positioning bushing is tightly matched with the precision holes, and the positioning groove of the part to be measured is in inserting fit with the positioning pin; the reference surface of the part to be measured is contacted with the positioning surface of the base; the bolts are matched with the positioning bushings which penetrate through the groove and the detection holes in the base one by one. Through spacing position degree detection benchmark, the complex clearance value of positioning bush in control bolt and the smart hole on the base, after parts machining finishes, places the part on the detection frock, whether the check position degree is qualified, saves time, laborsaving, high-efficient, directly improves more than 85% of processing measurement efficiency.

Description

Molded groove position measuring tool and using method
Technical Field
The invention belongs to the field, and particularly belongs to a molded groove position measuring tool and a use method thereof.
Background
Along with the continuous promotion of aeroengine output, the measurement of fan machine casket type groove position degree after milling processing is accomplished causes not little puzzlement for the staff, and quality system and quality consciousness require all to carry out relevant size and geometric tolerance's inspection to each type groove of each part, and according to traditional detection mode, because fan machine casket radial type hole quantity is great, no matter whether every send three coordinate measuring machine to detect or beat the table on the lathe and detect all to be time-consuming and hard, seriously influences the promotion of machining efficiency.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a groove position degree measuring tool and a using method thereof, which can be used for rapidly judging whether the groove position degree of a part with a plurality of radial grooves is qualified or not and greatly improving the position degree detection efficiency on the premise of ensuring the principle of measuring one by one.
In order to achieve the purpose, the invention provides the following technical scheme:
a measuring tool for the position degree of a molded groove comprises a base, a bolt, a bushing, a positioning pin and a positioning bushing;
the base is provided with a positioning hole, and the positioning pin is in inserting fit with the positioning hole and used for positioning a part to be detected;
the outer surface of the base is provided with a plurality of precision holes, the positioning bushing is tightly matched with the precision holes, and the positioning groove of the part to be measured is in inserting fit with the positioning pin; the reference surface of the part to be measured is contacted with the positioning surface of the base; the bolts are matched with the positioning bushings which penetrate through the groove and the detection holes in the base one by one.
Preferably, the number of the pins is equal to that of the grooves.
Preferably, the measuring tool for the position degree of the groove is provided with a lifting bolt for hoisting the measuring tool for the position degree of the groove.
Preferably, the multifunctional safety box further comprises a bolt box, and a plurality of holes are formed in the bolt box and used for placing bolts.
Preferably, the base is made of gray cast iron HT 350.
Preferably, the material of the locating pin and the bush is 45-grade steel.
Preferably, the material of the bolt and the positioning bush is T8A carbon tool steel.
A method for using a groove position measuring tool comprises the following processes,
step 1, inserting a positioning pin into a positioning hole of a base;
step 2, the positioning bush is tightly matched with a fine hole on the outer molded surface of the base;
step 3, placing the part to be detected on a base, wherein a positioning groove of the part to be detected is matched with a positioning pin of the base, limiting the angular reference of the part to be detected, a reference surface of the part to be detected is matched with a positioning surface of the base, and limiting the axial and radial references of the part to be detected;
step 4, inserting a plurality of bolts into the positioning bushings matched with the precision holes on the outer molded surface of the base one by one through the type grooves of the part to be tested, and if all the bolts can be inserted, the position degrees of all the type grooves are qualified; if one or more of the grooves can not be inserted, the positions of the grooves are out of tolerance, and the out-of-tolerance grooves are the grooves in which the plug pins can not be inserted, so that the position detection of the grooves is completed.
Preferably, in the step 3, a crane is adopted to hoist the base through the hoisting ring, and a slotted cylindrical head screw matched with the hoisting ring is designed on the bushing matched with the hoisting ring and is matched with the base.
Preferably, after the detection is finished, the positioning pin and the bolt are taken out, and the bolt is placed into the bolt box one by one.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a groove position degree measuring tool, which can control a clearance value of a bolt matched with a positioning bush in a fine hole on a base through a limit position degree detection reference by utilizing a position degree definition principle, and after a part is machined, the part is placed on a detection tool to check whether the position degree is qualified. Because the multipoint measurement calculation of one groove and one groove after repeated alignment is not needed, compared with a machine tool and a three-coordinate inspection method, the method is time-saving, labor-saving and efficient, and the processing and measuring efficiency is directly improved by over 85 percent.
Drawings
FIG. 1 is a perspective view of a position measuring device according to the present invention;
FIG. 2 is a schematic view of a position measurement tool according to the present invention;
FIG. 3 is a schematic view of a base of the present invention;
FIG. 4 is a schematic view of a locating pin according to the present invention;
FIG. 5 is a schematic view of a locating bushing of the present invention;
FIG. 6 is a schematic view of the latch of the present invention;
FIG. 7 is a schematic view of a bushing according to the present invention;
FIG. 8 is a schematic view of the latch box of the present invention;
in the drawings: 1 is a base; 2 is a bolt; 3 is a bushing; 4 is a positioning pin; 5 is a bolt box; 6 is a positioning bush; 7 is a lifting ring screw; and 8, a slotted cylindrical head screw.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
The invention relates to a groove position measuring tool, which comprises a base 1, a bolt 2, a bush 3, a positioning pin 4, a bolt box 5 and a positioning bush 6.
A positioning hole is formed in the base 1, and the positioning pin 4 is in inserting fit with the positioning hole and used for positioning a part to be detected; a plurality of fine holes are formed in the outer surface of the base 1, the positioning bushing 6 is tightly matched with the fine holes, and the positioning groove of the part to be measured is in inserting fit with the positioning pin 4; the reference surface of the part to be measured is contacted with the positioning surface of the base 1; the bolts 2 are matched with positioning bushes 6 which penetrate through the groove and are arranged in the detection holes on the base 1 one by one. The number of the pins 3 is equal to that of the grooves. And the measuring tool for the position degree of the groove is provided with a lifting bolt for hoisting the measuring tool for the position degree of the groove. The bolt box 5 is internally provided with a plurality of holes for placing the bolts 2.
The bush 3 is installed in the hoist and mount hole of base 1 inboard, and lifting screw 7 is through cooperating with bush 3, realizes being connected with base 1, and slotted cylinder head screw 8 next to lifting screw 7 is connected with base 1 through the screw hole on the bush 3, and locating pin 4 passes through the locating hole in the base 1 outside and installs on base 1, and location bush 6 is installed in the finish hole on the base 1 profile. When not measuring, the bolt 2 is placed in the type groove in the bolt box, and during the measurement, the bolt 2 inserts in 1 outline of base and smart hole complex positioning bush 6, realizes the detection effect.
Examples
As shown in fig. 1 to 8, in the present embodiment, the number of the bases 1 is 1, a reference surface and a reference circle (A, B) are designed to limit the reference surface corresponding to the position detection of the position-limiting groove, and the base 1 is drilled with a positioning hole, which is matched with the positioning pin 4, to limit the angular reference during the position detection of the part; the outer molded surface of the base 1 is provided with a plurality of fine holes, and the number is equal to the number of the grooves to be detected; the part datum (axial and radial) is matched with an AB datum plane on the base 1 to realize axial and radial positioning, and the part positioning hole is matched with a positioning pin on the base 1 to realize circumferential angular positioning. The position degree of the part side profile groove is required to be relative AB (axial, radial) and angular, the measuring tool passes through the axial, radial and angular positions of the limiting part, and on the basis, the matching relation of the bolt in the part profile groove and the positioning bush of the measuring tool is detected from the side surface, so that the position degree of the profile groove relative to the axial, radial and angular positioning reference is really judged.
The number of the bolts 2 is equal to the number of the groove, and the bolts 2 are matched with positioning bushes penetrating through the groove and in the detection holes in the base one by one;
the number of the bushings 3 is 4, and the bushings are matched with lifting ring screws 7 and slotted cylinder head screws 8 and used for hoisting parts;
the number of the positioning pins is 1, the size precision is extremely high, and the positioning pins are used for limiting the angular direction of the part;
the bolt box 5 is designed because the bolts are numerous and are not prevented from being lost, and a groove in the box is matched with the bolts so as to be stored for a long time;
positioning the bushing 6: the number is equal to the number of the bolts, the bolts are matched with the fine holes in the outer profile of the base 1, when the socket is used, the bolts penetrate through the groove and are inserted into the groove, the outer diameter size is equal to the fine holes in the outer profile of the base, and the inner diameter size is equal to the size of the shaft at the forefront end of the bolts and the required value of the position degree (such as 0.2);
the lifting ring screws 7 are 4 in number and are used for hoisting; the number of slotted cylinder cap screws 8 is 4 for hoisting. Slotted cylinder cap screw 8 is connected with base 1 through the screw hole on bush 3 to when preventing hoist and mount base 1, bush 3 deviates from base 1.
In order to meet the requirements of not causing pollution and economy on the titanium alloy aircraft engine fan case part, a base material of the detection tool is gray cast iron HT 350; in order to ensure that the part is not deformed, is not easy to wear and does not pollute parts in the long-term use process; the positioning pin and the lining are made of No. 45 steel; in order to ensure that the plug does not deform in the long-term use process, the material of the plug and the positioning bush is T8A.
The invention relates to a use method of a groove position measuring tool, which comprises the following steps:
(1) hoisting the position degree measuring tool of the detection type groove to the side of the detection part through an upper hoisting ring of the position degree measuring tool by using a crane;
(2) inserting the positioning pin 4 into the positioning hole on the base;
(3) checking to ensure that the positioning bush 6 is tightly matched with a fine hole on the outer molded surface of the base;
(4) the part is placed on the base 1, wherein a positioning groove of the part is matched with a positioning pin of the base, the part is limited in angular reference, a part reference surface is matched with a positioning surface of the base, and the part is limited in axial and radial reference;
(5) the bolts 2 are taken out of the bolt box 5, all the bolts 2 pass through part type grooves to be detected and are inserted into the positioning lining 6 matched with the fine holes on the outer molded surface of the base one by one, and if all the bolts can be inserted, the position degrees of all the type grooves are qualified; if one or more than one type groove can not be inserted, the position degree of the type groove is out of tolerance, and the out-of-tolerance type groove is a type groove into which the plug pin can not be inserted.
(6) And after the detection is finished, taking out the positioning pins and the bolts, and putting the bolts into the bolt box one by one.

Claims (10)

1. The measuring tool for the position degree of the profile groove is characterized by comprising a base (1), a bolt (2), a bushing (3), a positioning pin (4) and a positioning bushing (6);
the base (1) is provided with a positioning hole, and the positioning pin (4) is in insertion fit with the positioning hole and used for positioning a part to be detected;
the outer surface of the base (1) is provided with a plurality of fine holes, the positioning bushing (6) is tightly matched with the fine holes, and the positioning groove of the part to be measured is in inserting fit with the positioning pin (4); the reference surface of the part to be measured is contacted with the positioning surface of the base (1); the bolts (2) are matched with positioning bushings (6) which penetrate through the groove and are arranged in the detection holes on the base (1) one by one.
2. A profile groove position measuring tool according to claim 1, characterized in that the number of the pins (3) is equal to the number of the profile grooves.
3. A profiled groove position measuring tool according to claim 1, characterized in that the profiled groove position measuring tool is provided with a lifting bolt (7) for hoisting the profiled groove position measuring tool.
4. The groove position measuring tool according to claim 1, further comprising a plug box (5), wherein a plurality of holes are formed in the plug box (5) and used for placing the plugs (2).
5. A profile groove position measuring tool according to claim 1, characterized in that the material of the base (1) is gray cast iron HT 350.
6. A groove position measuring tool according to claim 1, characterized in that the material of the positioning pin (4) and the bush (3) is 45 steel.
7. The groove position measuring tool according to claim 1, wherein the material of the bolt (2) and the positioning bush (6) is T8A carbon tool steel.
8. A use method of a groove position measuring tool is characterized by comprising the following processes,
step 1, inserting a positioning pin (4) into a positioning hole of a base (1);
step 2, the positioning bush (6) is tightly matched with a fine hole on the outer molded surface of the base;
step 3, placing the part to be detected on the base (1), wherein a positioning groove of the part to be detected is matched with a positioning pin (4) of the base (1), the angular reference of the part to be detected is limited, the reference surface of the part to be detected is matched with the positioning surface of the base (1), and the axial and radial references of the part to be detected are limited;
step 4, inserting a plurality of bolts (2) into a positioning bush (6) matched with the fine hole on the outer molded surface of the base (1) one by one through the molded grooves of the part to be detected, and if all the bolts can be inserted, the position degrees of all the molded grooves are qualified; if one or more of the grooves can not be inserted, the positions of the grooves are out of tolerance, and the out-of-tolerance grooves are the grooves in which the plug pins can not be inserted, so that the position detection of the grooves is completed.
9. The use method of the groove position measuring tool according to claim 8, wherein in the step 3, a crane is used for hoisting the base (1) through the hoisting ring, and a slotted socket cap screw matched with the hoisting ring is designed on a bushing matched with the hoisting ring to be matched with the base (1).
10. The use method of the groove position measuring tool according to claim 8, wherein after the detection is completed, the positioning pin (4) and the plug pin (2) are taken out, and the plug pin (2) is placed into the plug pin box (5) one by one.
CN202111152980.3A 2021-09-29 2021-09-29 Molded groove position measuring tool and using method Pending CN113899277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111152980.3A CN113899277A (en) 2021-09-29 2021-09-29 Molded groove position measuring tool and using method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111152980.3A CN113899277A (en) 2021-09-29 2021-09-29 Molded groove position measuring tool and using method

Publications (1)

Publication Number Publication Date
CN113899277A true CN113899277A (en) 2022-01-07

Family

ID=79189376

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111152980.3A Pending CN113899277A (en) 2021-09-29 2021-09-29 Molded groove position measuring tool and using method

Country Status (1)

Country Link
CN (1) CN113899277A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486953A (en) * 2013-08-30 2014-01-01 广西玉柴机器股份有限公司 Piston ring deflection general gauge
CN204757859U (en) * 2015-07-01 2015-11-11 湖北三江航天万山特种车辆有限公司 Detection apparatus for be used for foraminiferous part of arc
JP2017015615A (en) * 2015-07-03 2017-01-19 サムテック株式会社 Position tolerance inspection device
CN207007126U (en) * 2017-06-22 2018-02-13 西安法士特汽车传动有限公司 A kind of ring flange measured material
CN107971943A (en) * 2017-11-23 2018-05-01 中国航发沈阳黎明航空发动机有限责任公司 One kind is used for spacing measuring measuring tool and its application method
CN208984001U (en) * 2018-11-28 2019-06-14 宜昌市蓝德光电机械有限公司 A kind of inclined hole center distance check tool
CN209371916U (en) * 2018-10-09 2019-09-10 河南淮海汽车配件有限公司 Brake-shoe hole location tolerance detection device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486953A (en) * 2013-08-30 2014-01-01 广西玉柴机器股份有限公司 Piston ring deflection general gauge
CN204757859U (en) * 2015-07-01 2015-11-11 湖北三江航天万山特种车辆有限公司 Detection apparatus for be used for foraminiferous part of arc
JP2017015615A (en) * 2015-07-03 2017-01-19 サムテック株式会社 Position tolerance inspection device
CN207007126U (en) * 2017-06-22 2018-02-13 西安法士特汽车传动有限公司 A kind of ring flange measured material
CN107971943A (en) * 2017-11-23 2018-05-01 中国航发沈阳黎明航空发动机有限责任公司 One kind is used for spacing measuring measuring tool and its application method
CN209371916U (en) * 2018-10-09 2019-09-10 河南淮海汽车配件有限公司 Brake-shoe hole location tolerance detection device
CN208984001U (en) * 2018-11-28 2019-06-14 宜昌市蓝德光电机械有限公司 A kind of inclined hole center distance check tool

Similar Documents

Publication Publication Date Title
CN204658003U (en) With mutual upright opening inner hole of workpiece axle sleeve finishing positioning fixture
CN205147887U (en) Bearing retainer's machining anchor clamps
CN113601119B (en) Machining method for high-power diesel engine camshaft
CN113899277A (en) Molded groove position measuring tool and using method
CN219598107U (en) Double-center clamp for rotor finish machining
CN112792569A (en) Piston cylinder shell turning and milling combined machining clamp
CN113941877B (en) Positioning and supporting device of cylinder cover for boring machine processing and clamping and adjusting method
CN105171447A (en) Positioning clamp and method for machining inner circle face of orthogonal shaft sleeve
CN211824154U (en) Semi-axis flange hole position degree is synthesized and is examined utensil
CN103433698A (en) Method and fixture for processing oblique oil hole of end cover of turbocharger
CN112570758A (en) Engine cylinder sleeve radial hole machining tool and method
CN218226267U (en) Auxiliary tool for machining collecting ring insulating cylinder of steam turbine generator
CN218613149U (en) Eccentric cover detects frock
CN116393721A (en) Debugging method of rotor finish machining double-center clamp
CN111571153A (en) Method for machining blade profile of Kaplan turbine blade
CN219026655U (en) Automobile brake main cylinder inclined hole processing machine tool adjusting standard component
CN219607902U (en) Measuring device for measuring distance from center of two holes to plane
CN111168428A (en) Combined clamp and method for machining small arc centripetal hole
CN211205108U (en) Special tool for detecting and maintaining engine cylinder block crankshaft hole seat
CN210802327U (en) General detection tool for cast blade profile
CN217513345U (en) Processing device for aircraft seat supporting plate
CN108971530A (en) Large-scale lathe revolving meber beat centering auxiliary tool and its method
CN218080577U (en) Same-boring die for pin holes of main shaft of water motor
CN210014722U (en) Shaft head assembly flange hole position degree detection tool
CN218723864U (en) A quick positioning measurement device for strengthening bolt

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination