CN105066867B - A kind of valve clearance test measuring device - Google Patents
A kind of valve clearance test measuring device Download PDFInfo
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- CN105066867B CN105066867B CN201510570365.2A CN201510570365A CN105066867B CN 105066867 B CN105066867 B CN 105066867B CN 201510570365 A CN201510570365 A CN 201510570365A CN 105066867 B CN105066867 B CN 105066867B
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- swing arm
- swing
- clamping jaw
- matrix
- valve clearance
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Abstract
The present invention relates to a kind of valve clearance test measuring device, specifically a kind of measurer detected for engine valve clearance belongs to measurement inspection technology field.It includes matrix, matrix left pivot movement connects left-handed rotating shaft, pass through the affixed left swing swing arm of screw in left-handed rotating shaft, left swing swing arm lower end connects left clamping jaw, triple motion inductance sensor is provided with the inside of left clamping jaw, left swing swing arm upper end connects left handle, and left handle can drive left swing swing arm to surround left-handed axis of rotation.Rotated on the right side of matrix by the affixed right swing arm of screw on connection dextral shaft, dextral shaft, right swing arm lower end, which is connected, is provided with the first displacement inductance sensor on the inside of right clamping jaw, right clamping jaw, right swing arm upper end connects right handles.The present invention is simple in construction, compact, reasonable, easy to operate, adapts to online 100% detection；Measurement accuracy is high, measurer resolution ratio 0.0001mm, and can be accurately positioned detection；Cost is relatively low, and fault rate is low.
Description
Technical field
It is specifically a kind of to be used for what engine valve clearance was detected the present invention relates to a kind of valve clearance test measuring device
Measurer, belongs to measurement inspection technology field.
Background technology
When engine works, valve will expand because of the rise of temperature.If between the parts such as valve, tappet and camshaft
Gapless or gap are too small in the cold state, then under hot, and the expanded by heating such as valve, tappet and camshaft certainly will cause valve to close
Close not tight, cause engine gas leakage in compression travel and working stroke, so that power drop, even can not be normal when serious
Work.In order to eliminate this phenomenon, after inlet and exhaust valve, tappet, the camshaft of engine etc. is assembled, valve clearance must be implemented
100% detection.
Traditional valve clearance detection method has：1st, valve clearance Special measuring instrument, can survey gap size, be easy to data
Analyze, be conducive to product quality monitoring, it has the disadvantage there is the high requirement of comparison to working environment, often cannot be used for on-line checking,
Detect beat than relatively low, it is impossible to meet production line beat, its price is again somewhat expensive；2nd, general clearance gauge, it belongs to observational measurement, clearance gauge
It need to be applied in combination, easily cause erroneous judgement, detection efficiency is low.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, so as to provide, a kind of measurement accuracy is high, easy to operate, cost
It is low, adapt to the valve clearance test measuring device of online 100% detection.
A kind of technical scheme provided according to the present invention, valve clearance test measuring device includes matrix, it is characterized in that：Matrix is left
Side is rotated by the affixed left swing swing arm of screw in the left-handed rotating shaft of connection, left-handed rotating shaft, and left swing swing arm lower end connects left clamping jaw, Zuo Jia
Triple motion inductance sensor is provided with the inside of pawl, left swing swing arm upper end connection left handle, left handle can drive left swing swing arm to enclose
Around left-handed axis of rotation；Rotated on the right side of matrix and pass through the affixed right swing arm of screw, right swing on connection dextral shaft, dextral shaft
Arm lower end, which is connected, is provided with the first displacement inductance sensor on the inside of right clamping jaw, right clamping jaw, right swing arm upper end connects right handles；Matrix
It is provided with the inside of second displacement inductance sensor, left swing swing arm and is provided with measuring staff, the test lead of measuring staff is passed towards second displacement inductance
Sensor；Extension spring is provided between left swing swing arm and right swing arm.
Further, right handles upper end connects handle by bearing pin and buckled, and handle, which is buckled, to be buckled on left handle.
Further, matrix rear end connection cables joint, cable connector rear end connection cables protective case.
Further, matrix lower end is provided with basic circle locating piece.
Further, left-handed rotating shaft and dextral shaft two ends are provided with bearing, left swing swing arm, right swing arm and left-handed rotating shaft,
Cushion block and disc spring are provided between the bearing of dextral shaft both sides.
Compared with the prior art the present invention has advantages below：
The present invention is simple in construction, compact, reasonable, easy to operate, adapts to online 100% detection；Measurement accuracy is high, measurer point
Resolution 0.0001mm, and detection can be accurately positioned；Cost is relatively low, and fault rate is low.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is B direction views in Fig. 1.
Description of reference numerals：The right clamping jaws of 1-, the first displacements of 2- inductance sensor, 3- basic circles locating piece, 4- second displacements electricity
The right swing arm of propagated sensation sensor, 5-, 6- right handles, 7- handles are buckled, 8- cable protective sleeves, 9- left handles, 10- cable connectors, 11- right
The left-handed rotating shaft of rotary shaft, 12-, 13- extension springs, 14- left swings swing arm, 15- measuring staffs, 16- triple motions inductance sensor, the left folders of 17-
Pawl, 18- matrixes, 19- bearings, 20- cushion blocks, 21- disc springs.
Embodiment
The present invention will be further described with reference to the embodiment in accompanying drawing below：
As shown in Figure 1 and 2, the invention mainly comprises matrix 18, the left pivot movement of matrix 18 connects left-handed rotating shaft 12, anticlockwise
Pass through the affixed left swing swing arm 14 of screw on axle 12.The lower end of left swing swing arm 14 connects left clamping jaw 17, and the left inner side of clamping jaw 17 is provided with the 3rd
Displacement inductance sensor 16.The upper end of left swing swing arm 14 connects left handle 9, and left handle 9 can drive left swing swing arm 14 around left-handed
Rotating shaft 12 is rotated.
The right side of matrix 18 is rotated passes through the affixed right swing arm 5 of screw on connection dextral shaft 11, dextral shaft 11.It is right to swing
The lower end of arm 5 connects right clamping jaw 1, and the right inner side of clamping jaw 1 is provided with the first displacement inductance sensor 2.The right upper end of swing arm 5 connects right handles
6.The upper end of right handles 6 connects handle by bearing pin and buckles 7, and handle is buckled 7 and can be buckled on left handle, so as to protect second displacement
Inductance sensor is not acted on when not working by external force.
Matrix 18 is provided with second displacement inductance sensor 4, and the inner side of left swing swing arm 14 is provided with measuring staff 15, the test of measuring staff 15
End face is to second displacement inductance sensor 4.
Extension spring 13 is provided between left swing swing arm 14 and right swing arm 5, when extension spring 13 works for right clamping jaw and measured workpiece it
Between, between left clamping jaw and measured workpiece, between the first displacement inductance sensor and measured workpiece, triple motion inductance sensor with
Precompression is provided between measured workpiece, between measuring staff and second displacement inductance sensor.
The rear end connection cables joint 10 of matrix 18, the rear end connection cables protective case 8 of cable connector 10,8 pairs of cable protective sleeve
Displacement inductance sensor cable plays a protective role, and is easy to on-line checking.
The lower end of matrix 18 is provided with basic circle locating piece 3, and basic circle locating piece 3 plays coarse positioning effect.
The left-handed rotating shaft 12 and the two ends of dextral shaft 11 are provided with bearing 19 so that left-handed rotating shaft 12 and the energy of dextral shaft 11
It is enough to be rotated in matrix 18.Between left swing swing arm 14, right swing arm 5 and left-handed rotating shaft 12, the bearing 19 of the both sides of dextral shaft 11
Provided with cushion block 20 and disc spring 21, adjustment pad thickness can realize that right swing arm is consistent with left swing swing arm axial location, to improve inspection
Survey precision.
Displacement inductance sensor directly can be connected with external equipment, pass data to external equipment, carry out data analysis,
External equipment can be made up of A/D translation interfaces, computer or electron beam etc..
The present invention operation principle be：In test, with tight right handles and left handle is held, right handles drive right swing
Arm, right clamping jaw, the first displacement inductance sensor, second displacement inductance sensor open around dextral shaft.Left handle drives left swing
Swing arm, left clamping jaw, triple motion inductance sensor, measuring staff open around left-handed rotating shaft.Coarse positioning is made with basic circle locating piece, by measurer
It is placed on measured workpiece, release handle, under extension spring effect, makes right clamping jaw, left clamping jaw, the first displacement inductance sensor and the
Triple motion inductance sensor is close to tested work measurement position respectively, and measuring staff is close to second displacement inductance sensor.Each displacement
Inductance sensor is sampled, and passes data to external equipment, carries out data analysis.Sampling terminates, and holds tight right handles and a left side
Handle, measurer is taken out, and completes detection.
Claims (5)
1. a kind of valve clearance test measuring device, including matrix（18）, it is characterized in that：Matrix（18）Left pivot movement connects left-handed rotating shaft
（12）, left-handed rotating shaft（12）It is upper to pass through the affixed left swing swing arm of screw（14）, left swing swing arm（14）Lower end connects left clamping jaw（17）, it is left
Clamping jaw（17）Inner side is provided with triple motion inductance sensor（16）, left swing swing arm（14）Upper end connects left handle（9）, left handle
（9）Left swing swing arm can be driven（14）Around left-handed rotating shaft（12）Rotate；Matrix（18）Right side rotates connection dextral shaft（11）,
Second displacement inductance sensor（4）Around dextral shaft（11）Open, dextral shaft（11）It is upper to pass through the affixed right swing arm of screw
（5）, right swing arm（5）Lower end connects right clamping jaw（1）, right clamping jaw（1）Inner side is provided with the first displacement inductance sensor（2）, right pendulum
Swing arm（5）Upper end connects right handles（6）；Left swing swing arm（14）Inner side is provided with measuring staff（15）, measuring staff（15）Test lead towards
Two displacement inductance sensors（4）；Left swing swing arm（14）With right swing arm（5）Between be provided with extension spring（13）.
2. a kind of valve clearance test measuring device as claimed in claim 1, it is characterized in that：The right handles（6）Upper end passes through pin
Axle connection handle is buckled（7）, handle buckles（7）Left handle can be buckled in（9）On.
3. a kind of valve clearance test measuring device as claimed in claim 1, it is characterized in that：Described matrix（18）Rear end connection cables
Joint（10）, cable connector（10）Rear end connection cables protective case（8）.
4. a kind of valve clearance test measuring device as claimed in claim 1, it is characterized in that：Described matrix（18）Lower end is provided with basic circle
Locating piece（3）.
5. a kind of valve clearance test measuring device as claimed in claim 1, it is characterized in that：The left-handed rotating shaft（12）And right rotation
Axle（11）Two ends are provided with bearing（19）, left swing swing arm（14）With left-handed rotating shaft（12）Two side bearings（19）Between be provided with cushion block（20）
And disc spring（21）, right swing arm（5）And dextral shaft（11）Two side bearings（19）Between be provided with cushion block（20）And disc spring（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510570365.2A CN105066867B (en) | 2015-09-09 | 2015-09-09 | A kind of valve clearance test measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510570365.2A CN105066867B (en) | 2015-09-09 | 2015-09-09 | A kind of valve clearance test measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105066867A CN105066867A (en) | 2015-11-18 |
| CN105066867B true CN105066867B (en) | 2017-11-03 |
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ID=54496297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510570365.2A Active CN105066867B (en) | 2015-09-09 | 2015-09-09 | A kind of valve clearance test measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105066867B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727040B (en) * | 2017-09-04 | 2019-08-27 | 潍柴动力股份有限公司 | A kind of measurement method and device of valve clearance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2504623Y (en) * | 2001-09-12 | 2002-08-07 | 重庆市机电设计研究院 | Device for measuring engine air valve gap and airtight property |
| CN204492914U (en) * | 2014-12-31 | 2015-07-22 | 惠州比亚迪电池有限公司 | For regulating the controlling device of vehicle valve clearance |
| CN204963777U (en) * | 2015-09-09 | 2016-01-13 | 无锡市迈日机器制造有限公司 | Valve clearance detects measuring tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4199066B2 (en) * | 2003-08-06 | 2008-12-17 | ダイハツ工業株式会社 | Valve clearance measuring device |
| JP4224448B2 (en) * | 2004-09-29 | 2009-02-12 | 本田技研工業株式会社 | Tappet clearance automatic adjustment device |
-
2015
- 2015-09-09 CN CN201510570365.2A patent/CN105066867B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2504623Y (en) * | 2001-09-12 | 2002-08-07 | 重庆市机电设计研究院 | Device for measuring engine air valve gap and airtight property |
| CN204492914U (en) * | 2014-12-31 | 2015-07-22 | 惠州比亚迪电池有限公司 | For regulating the controlling device of vehicle valve clearance |
| CN204963777U (en) * | 2015-09-09 | 2016-01-13 | 无锡市迈日机器制造有限公司 | Valve clearance detects measuring tool |
Non-Patent Citations (1)
| Title |
|---|
| 柴油机气门间隙柔性自动调整系统设计与研究;张军杰，申庆元;《内燃机》;20141230(第6期);13-16 * |
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| Publication number | Publication date |
|---|---|
| CN105066867A (en) | 2015-11-18 |
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