CN110645950A - Measuring device and measuring method for parallelism of engine pull rod and joint bearing - Google Patents

Measuring device and measuring method for parallelism of engine pull rod and joint bearing Download PDF

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Publication number
CN110645950A
CN110645950A CN201910893603.1A CN201910893603A CN110645950A CN 110645950 A CN110645950 A CN 110645950A CN 201910893603 A CN201910893603 A CN 201910893603A CN 110645950 A CN110645950 A CN 110645950A
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CN
China
Prior art keywords
measuring
measuring head
parallelism
base
pull 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.)
Pending
Application number
CN201910893603.1A
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Chinese (zh)
Inventor
席建强
邱枫
苏云
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.)
China Hangfa Aviation Polytron Technologies Inc
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China Hangfa Aviation Polytron Technologies Inc
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 China Hangfa Aviation Polytron Technologies Inc filed Critical China Hangfa Aviation Polytron Technologies Inc
Priority to CN201910893603.1A priority Critical patent/CN110645950A/en
Publication of CN110645950A publication Critical patent/CN110645950A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/22Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring angles or tapers; for testing the alignment of axes

Abstract

The invention discloses a measuring device and a measuring method for parallelism of an engine pull rod and a joint bearing, and the measuring device comprises a measuring mechanism and a gauge setting mechanism, wherein the measuring mechanism comprises a leveling component and a measuring component, the measuring component comprises a base body, a first induction measuring head and a second induction measuring head which are respectively arranged on the base body, and a numerical display which is in communication connection with the first induction measuring head and the second induction measuring head respectively, and the first induction measuring head and the second induction measuring head respectively penetrate through the base body and are abutted against the leveling component; the device has the advantages of simple structure, convenient operation and accurate detection, and the measured position relationship is converted into the position relationship between a fixed plane and a relative motion plane through the device, so that the measurement is accurate and reliable; the parallelism of the pull rod and the knuckle bearing can be measured through the measuring mechanism, the installation state can be analyzed by reflecting the parallelism value in real time, the installation experience is increased, and the working efficiency is improved.

Description

Measuring device and measuring method for parallelism of engine pull rod and joint bearing
Technical Field
The invention relates to the technical field of parallelism measurement, in particular to a device and a method for measuring parallelism of an engine pull rod and a joint bearing.
Background
When the throttle valve and the emergency closing mechanism of the engine are installed, the parallelism between the pull rod of the engine and the knuckle bearing (emergency closing mechanism) needs to be measured, so that the state of the installation position can be grasped. The spatial position is limited and the detected parts are in a three-dimensional spatial relationship, so that the installation difficulty is increased; secondly, the installation of the throttle valve and the emergency closing mechanism is inexperienced, the state of the installation position cannot be mastered, the installation difference is large each time, and higher requirements are provided for the measuring tool. In the prior art, a measuring mode of marking a meter is mainly adopted for detecting the parallelism at the position during measurement, and whether the position relation of parts is in a required range is analyzed and judged through the reading of the meter.
Disclosure of Invention
The invention aims to provide a measuring device for parallelism of an engine pull rod and a joint bearing, and aims to solve the problems that the existing measuring device is inconvenient to operate and cannot accurately reflect real-time data at different positions.
The technical scheme for solving the technical problems is as follows: a measuring device for parallelism of an engine pull rod and a joint bearing comprises a measuring mechanism and a gauge mechanism;
measuring mechanism is including leveling subassembly and measuring component, measuring component includes the base member, sets up respectively first response measuring head and second response measuring head on the base member and with respectively first response measuring head and second response measuring head communication connection's numerical display, just first response measuring head and second response measuring head run through respectively the base member and with level subassembly looks butt.
Further, the pair table mechanism comprises a pair table block with a flat surface and a positioning shaft arranged on the pair table block, and the pair table block and the positioning shaft are connected to form an integrated structure.
Further, it is in to level and smooth subassembly is including the bottom plate that has the locating surface and set up the bush of bottom plate tip, first response measuring head and second response measuring head respectively with the locating surface looks butt of bottom plate, the locating surface of bottom plate with the base member surface parallels, and the depth of parallelism is not more than 0.01 mm.
Further, the base member includes that measuring head fixed block and slope are connected the locating piece of measuring head fixed block tip, the locating hole has been seted up on the locating piece, first response measuring head and second response measuring head set up respectively on the measuring head fixed block.
Furthermore, the positioning hole of the positioning block is vertical to the surface of the substrate, and the verticality is not more than 0.01 mm.
Furthermore, be provided with in the measuring head fixed block and press from both sides tight bush, first response measuring head and second response measuring head respectively with press from both sides tight bush cooperation and connect.
Further, the first and second sensing heads are arranged side by side.
The invention also provides a method for measuring the parallelism of the engine pull rod and the joint bearing, which comprises the following steps:
the method comprises the following steps: mounting the measuring assembly on a meter aligning mechanism, and zeroing a numerical value display in the measuring assembly;
step two: mounting the zero-set measuring assembly on an engine pull rod, mounting the leveling assembly on a joint bearing of an engine, and enabling a first induction measuring head and a second induction measuring head of the measuring assembly to be abutted with a bottom plate of the leveling assembly;
step three: the base body is rotated through the pull rod, so that the first induction measuring head and the second induction measuring head rotate on the surface of the bottom plate, and detection data of the positions rotated to each position are recorded.
Further, when the zero setting operation is carried out in the step I, the base body of the measuring assembly is installed on the positioning shaft of the meter aligning mechanism through the positioning hole, and the surface of the base body is attached to the surface of the meter aligning block.
And further, when the leveling component is installed in the step II, the bottom plate of the leveling component is fixed on the knuckle bearing in parallel through the matching of the bolt on the knuckle bearing of the engine and the lining of the leveling component.
The invention has the following beneficial effects: the measuring device and the measuring method for parallelism of the engine pull rod and the joint bearing, provided by the invention, have the advantages of simple structure, convenience in operation and accuracy in detection, and the measured position relation is converted into the position relation between a fixed plane and a relative motion plane through the measuring device, so that the measurement is accurate and reliable; the parallelism of the pull rod and the knuckle bearing can be measured through the measuring mechanism, and the parallelism value can be reflected in real time to analyze the installation state, so that the installation experience is increased, and the working efficiency is improved; and the response through the response measuring head among the measuring mechanism detects, has reduced artificial operating error, through the more audio-visual concrete numerical value that detects of observing of numerical value display, has reduced manual operation's the degree of difficulty to the data of output can be connected to equipment such as computers and carry out the analysis, masters the installation law, promotes staff's occupational skill, has also practiced thrift time simultaneously and has reduced the cost.
Drawings
FIG. 1 is a schematic view of a measuring mechanism according to the present invention;
FIG. 2 is a schematic view of a pair of watch mechanisms according to the present invention;
the reference numerals shown in fig. 1 to 2 are respectively expressed as: 1-leveling component, 2-measuring component, 20-base body, 21-first induction measuring head, 22-second induction measuring head, 30-leveling surface, 3-pair gauge block, 4-positioning shaft, 101-positioning surface, 10-bottom plate, 11-bushing, 201-measuring head fixing block, 202-positioning block, 203-positioning hole, 204-clamping bushing.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 2, the measuring device for parallelism of the engine pull rod and the knuckle bearing comprises a measuring mechanism and a gauge mechanism. The zero setting processing before the meter setting mechanism is used for measurement is avoided, and the measurement error caused by the initial value is avoided. The measuring mechanism is used for measuring the parallelism of the pull rod and the joint bearing.
Measuring mechanism is including leveling subassembly 1 and measuring subassembly 2, measuring subassembly 2 includes base member 20, set up first response measuring head 21 and second response measuring head 22 on base member 20 respectively and with first response measuring head 21 and second response measuring head 22 communication connection's numerical display respectively, and first response measuring head 21 and second response measuring head 22 run through base member 20 respectively and with leveling subassembly 1 looks butt, first response measuring head 21 and second response measuring head 22 interval just set up side by side, set up through two sets of measuring heads, help improving measured accuracy.
The leveling component 1 is arranged on the joint bearing and used for simulating a fixed plane, and the measuring component 2 is arranged on the pull rod and used for simulating a relative movement plane, so that the measuring function is achieved. The leveling component 1 comprises a bottom plate 10 with a positioning surface 101 and a bushing 11 arranged at the end of the bottom plate 10, a first induction measuring head 21 and a second induction measuring head 22 are respectively abutted against the positioning surface 101 of the bottom plate 10, the positioning surface 101 of the bottom plate 10 is parallel to the surface of the base body 20, and the parallelism is not more than 0.01 mm. The first sensing head 21 and the second sensing head 22 are both millimar1304K in model number, and are connected to a numerical display through a data line, and the numerical display is millimar C1208 in model number. In the use, through setting zero the operation to first response measuring head 21 and second response measuring head 22 to the mechanism to the table, and then install base member 20 on the pull rod, install bottom plate 10 on joint bearing and fixed through the nut, rotate base member 20 for first response measuring head 21 and second response measuring head 22 slide on bottom plate 10, detect its depth of parallelism, and the depth of parallelism numerical value in the testing process shows through numerical display in real time, observe convenient and reliable.
The meter aligning mechanism comprises a meter aligning block 3 with a flat surface 30 and a positioning shaft 4 arranged on the meter aligning block 3, and the meter aligning block 3 and the positioning shaft 4 are connected to form an integrated structure. When the meter is set, the base 20 is mounted on the positioning shaft 4 on the meter block 3, the surface of the base 20 is attached to the flat surface 30 of the meter block 3, the first induction measuring head 21 and the second induction measuring head 22 are compressed until the numerical display is in the zero setting position, and the positions of the measuring heads in the zero setting state are fixed through knurled screws.
In order to facilitate the connection between the substrate 20 and the pull rod and improve the accuracy of parallelism measurement, in the invention, the substrate 20 comprises a measuring head fixing block 201 and a positioning block 202 obliquely connected to the end part of the measuring head fixing block 201, the positioning block 202 is provided with a positioning hole 203, and a first induction measuring head 21 and a second induction measuring head 22 are respectively arranged on the measuring head fixing block 201; the positioning hole 203 of the positioning block 202 is vertical to the surface of the base body 20, and the verticality is not more than 0.01 mm.
In order to improve the fixing effect of the first sensing measuring head 21 and the second sensing measuring head 22, in the present invention, a clamping bushing 204 is disposed in the measuring head fixing block 201, and the first sensing measuring head 21 and the second sensing measuring head 22 are respectively connected to the clamping bushing 204 in a matching manner. The measuring head is ensured not to be loosened to cause large measuring error in the detection process.
The invention also provides a method for measuring the parallelism of the engine pull rod and the joint bearing, which comprises the following steps:
the method comprises the following steps: the measuring assembly 2 is mounted on a meter-checking mechanism and the value display in the measuring assembly 2 is zeroed. In the zeroing operation, the base body 20 of the measuring assembly 2 is mounted on the positioning shaft 4 of the counter mechanism through the positioning hole 203, and the surface of the base body 20 is made to conform to the surface of the counter block 3.
Step two: installing the measurement component 2 after zero setting on an engine pull rod, installing the leveling component 1 on a joint bearing of an engine, and enabling a first induction measuring head 21 and a second induction measuring head 22 of the measurement component 2 to be abutted against a bottom plate 10 of the leveling component 1; when the leveling component is installed, the bottom plate 10 of the leveling component 1 is fixed on the knuckle bearing in parallel through the matching of the bolt on the knuckle bearing of the engine and the bushing 11 of the leveling component 1.
Step three: the base 20 is rotated by the pull rod, so that the first and second sensing heads 21 and 22 are rotated on the surface of the base plate 10, and the sensing data rotated to each position is recorded.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The measuring device for the parallelism of the engine pull rod and the joint bearing is characterized by comprising a measuring mechanism and a gauge setting mechanism;
measuring mechanism is including leveling subassembly (1) and measuring subassembly (2), measuring subassembly (2) include base member (20), set up respectively first response measuring head (21) and second response measuring head (22) on base member (20) and with respectively first response measuring head (21) and second response measuring head (22) communication connection's numerical display, just first response measuring head (21) and second response measuring head (22) run through respectively base member (20) and with leveling subassembly (1) looks butt.
2. The device for measuring the parallelism of the engine pull rod and the knuckle bearing according to claim 1, wherein the gauge mechanism comprises a gauge block (3) with a flat surface (30) and a positioning shaft (4) arranged on the gauge block (3), and the gauge block (3) and the positioning shaft (4) are connected to form an integrated structure.
3. The measuring device for parallelism of an engine tie rod and a spherical plain bearing according to claim 1, characterized in that the leveling assembly (1) comprises a base plate (10) having a positioning surface (101) and a bushing (11) arranged at an end of the base plate (10), the first and second induction measuring heads (21, 22) are respectively abutted against the positioning surface (101) of the base plate (10), the positioning surface (101) of the base plate (10) is parallel to the surface of the base body (20), and the parallelism is not more than 0.01 mm.
4. The device for measuring the parallelism of an engine pull rod and a joint bearing of claim 1, wherein the base body (20) comprises a measuring head fixing block (201) and a positioning block (202) connected to the end of the measuring head fixing block (201) in an inclined manner, the positioning block (202) is provided with a positioning hole (203), and the first sensing measuring head (21) and the second sensing measuring head (22) are respectively arranged on the measuring head fixing block (201).
5. The measuring device for parallelism of an engine draw bar and a joint bearing according to claim 4, characterized in that the locating hole (203) of the locating block (202) is perpendicular to the surface of the base body (20) and the perpendicularity is not more than 0.01 mm.
6. The device for measuring the parallelism of an engine pull rod and a joint bearing of claim 4, wherein a clamping bushing (204) is arranged in the measuring head fixing block (201), and the first induction measuring head (21) and the second induction measuring head (22) are respectively connected with the clamping bushing (204) in a matching way.
7. The device for measuring the parallelism of an engine tie rod and a spherical plain bearing according to any one of claims 1 to 6, characterized in that the first induction measuring head (21) and the second induction measuring head (22) are arranged side by side.
8. The method for measuring the parallelism of the engine pull rod and the joint bearing is characterized by comprising the following steps of:
the method comprises the following steps: mounting the measuring assembly (2) on a meter aligning mechanism, and zeroing a numerical value display in the measuring assembly (2);
step two: the method comprises the following steps of (1) mounting a zero-set measuring assembly (2) on an engine pull rod, mounting a leveling assembly (1) on a joint bearing of an engine, and enabling a first induction measuring head (21) and a second induction measuring head (22) of the measuring assembly (2) to be abutted to a bottom plate (10) of the leveling assembly (1);
step three: the base body (20) is rotated through the pull rod, so that the first induction measuring head (21) and the second induction measuring head (22) rotate on the surface of the bottom plate (10), and detection data rotated to each position are recorded.
9. The method for measuring the parallelism of the engine pull rod and the knuckle bearing according to claim 8, wherein in the zeroing operation in the step (r), the base body (20) of the measuring assembly (2) is mounted on the positioning shaft (4) of the meter mechanism through the positioning hole (203), and the surface of the base body (20) is attached to the surface of the meter block (3).
10. The method for measuring the parallelism of the engine pull rod and the knuckle bearing according to claim 8, wherein when the leveling component is installed in the step (II), the bottom plate (10) of the leveling component (1) is fixed on the knuckle bearing in parallel through the matching of a bolt on the engine knuckle bearing and a lining (11) of the leveling component (1).
CN201910893603.1A 2019-09-20 2019-09-20 Measuring device and measuring method for parallelism of engine pull rod and joint bearing Pending CN110645950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910893603.1A CN110645950A (en) 2019-09-20 2019-09-20 Measuring device and measuring method for parallelism of engine pull rod and joint bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910893603.1A CN110645950A (en) 2019-09-20 2019-09-20 Measuring device and measuring method for parallelism of engine pull rod and joint bearing

Publications (1)

Publication Number Publication Date
CN110645950A true CN110645950A (en) 2020-01-03

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Application Number Title Priority Date Filing Date
CN201910893603.1A Pending CN110645950A (en) 2019-09-20 2019-09-20 Measuring device and measuring method for parallelism of engine pull rod and joint bearing

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329970A1 (en) * 1975-11-03 1977-05-27 Sibe Dial gauge for measuring angles - has fixed and moving probes to locate position of butterfly valve of carburettor
US4598483A (en) * 1985-07-05 1986-07-08 Kygar Quincy D Apparatus and method for verification of jacket for floppy disk
CN203615870U (en) * 2013-11-08 2014-05-28 无锡三鑫压铸有限公司 Special gauge for depth and parallelism of oil pump chamber
CN203824496U (en) * 2014-02-25 2014-09-10 南京泉峰汽车精密技术有限公司 Parallelism detection device
CN207703141U (en) * 2017-09-16 2018-08-07 浙江飞怡达针纺有限公司 Hosiery machine eccentric shaft centre-to-centre spacing and depth of parallelism comprehensive measurement device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329970A1 (en) * 1975-11-03 1977-05-27 Sibe Dial gauge for measuring angles - has fixed and moving probes to locate position of butterfly valve of carburettor
US4598483A (en) * 1985-07-05 1986-07-08 Kygar Quincy D Apparatus and method for verification of jacket for floppy disk
CN203615870U (en) * 2013-11-08 2014-05-28 无锡三鑫压铸有限公司 Special gauge for depth and parallelism of oil pump chamber
CN203824496U (en) * 2014-02-25 2014-09-10 南京泉峰汽车精密技术有限公司 Parallelism detection device
CN207703141U (en) * 2017-09-16 2018-08-07 浙江飞怡达针纺有限公司 Hosiery machine eccentric shaft centre-to-centre spacing and depth of parallelism comprehensive measurement device

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