CN105066867A - Valve clearance detection measuring tool - Google Patents
Valve clearance detection measuring tool Download PDFInfo
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- CN105066867A CN105066867A CN201510570365.2A CN201510570365A CN105066867A CN 105066867 A CN105066867 A CN 105066867A CN 201510570365 A CN201510570365 A CN 201510570365A CN 105066867 A CN105066867 A CN 105066867A
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- swing arm
- rotating shaft
- swing
- valve clearance
- handle
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Abstract
The invention relates to a valve clearance detection measuring tool, in particular, a measuring tool used for engine valve clearance detection and belongs to the measurement inspection technical field. The measuring tool comprises a substrate; the left side of the substrate is rotationally connected with a left rotating shaft; the left rotating shaft is fixedly connected with a left swing arm through a screw; the lower end of the left swing arm is connected with a left clamping claw; the inner side of the left clamping claw is provided with a third displacement induction sensor; the upper end of the left swing arm is connected with a left handle; the left handle drives the left swing arm to rotate around the left rotating shaft; the right side of the substrate is rotationally connected with a right rotating shaft; the right rotating shaft is fixedly connected with a right swing arm through a screw; the lower end of the right swing arm is connected with a right clamping claw; the inner side of the right clamping claw is provided with a first displacement induction sensor; and the upper end of the right swing arm is connected with a right handle. The valve clearance detection measuring tool of the invention has the advantages of simple, compact and reasonable structure, convenient operation, suitability for on-line 100% detection, high measuring accuracy, low cost and low failure rate. The resolution of the measuring tool is 0.0001mm, so that accurate positioning and detection can be realized.
Description
Technical field
The present invention relates to a kind of valve clearance test measuring device, a kind of measurer detected for engine valve clearance, belongs to and measures inspection technology field specifically.
Background technology
During engine operation, the rising of Yin Wendu is expanded by valve.If between the parts such as valve, tappet and camshaft in the cold state gapless or gap too small, then under hot, the expanded by heating such as valve, tappet and camshaft certainly will cause valve-closing not tight, engine is caused to leak gas in compression travel and working stroke, thus make power drop, even cisco unity malfunction time serious.In order to eliminate this phenomenon, after the assembling such as inlet and exhaust valve, tappet, camshaft of engine, 100% detection must be implemented to valve clearance.
Traditional valve clearance detection method has: 1, valve clearance Special measuring instrument, gap size can be surveyed, be convenient to data analysis, be conducive to product quality monitoring, its shortcoming has higher requirement to working environment, Chang Buneng is used for on-line checkingi, detect beat lower, can not meet production line beat, its price is somewhat expensive again; 2, general clearance gauge, it belongs to observational measurement, and clearance gauge need combinationally use, and easily causes erroneous judgement, and detection efficiency is low.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thus provide that a kind of measuring accuracy is high, easy to operate, cost is low, adapt to the online 100% valve clearance test measuring device detected.
According to technical scheme provided by the invention, a kind of valve clearance test measuring device comprises matrix, it is characterized in that: matrix left pivot movement connects left-handed rotating shaft, by the affixed left swing swing arm of screw in left-handed rotating shaft, left swing swing arm lower end connects left jaw, be provided with triple motion inductance sensor inside left jaw, left swing swing arm upper end connects left handle, and left handle can drive left swing swing arm around left-handed axis of rotation; Be rotationally connected dextral shaft on the right side of matrix, by the affixed right swing arm of screw on dextral shaft, right swing arm lower end connects right jaw, is provided with the first displacement inductance sensor inside right jaw, and right swing arm upper end connects right handles; Matrix is provided with the second displacement inductance sensor, is provided with measuring staff inside left swing swing arm, and the test lead of measuring staff is towards the second displacement inductance sensor; Extension spring is provided with between left swing swing arm and right swing arm.
Further, right handles upper end is buckled by pinned connection handle, and handle is buckled and can be buckled on left handle.
Further, matrix rear end connection cable joint, cable connector rear end connection cable protective sleeve.
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, are provided with cushion block and disc spring between the bearing of left swing swing arm, right swing arm and left-handed rotating shaft, dextral shaft both sides.
Compared with the prior art the present invention has the following advantages:
Structure of the present invention is simple, compact, reasonable, easy to operate, adapts to online 100% and detects; Measuring accuracy is high, measurer resolution 0.0001mm, and energy accurately detection and localization; Cost is lower, failure rate is low.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is B direction view in Fig. 1.
The right jaw of description of reference numerals: 1-, 2-first displacement inductance sensor, 3-basic circle locating piece, 4-second displacement inductance sensor, the right swing arm of 5-, 6-right handles, 7-handle are buckled, 8-cable protective sleeve, 9-left handle, 10-cable connector, 11-dextral shaft, the left-handed rotating shaft of 12-, 13-extension spring, 14-left swing swing arm, 15-measuring staff, 16-triple motion inductance sensor, the left jaw of 17-, 18-matrix, 19-bearing, 20-cushion block, 21-disc spring.
Embodiment
Embodiment in is by reference to the accompanying drawings further described by the present invention below:
As shown in Figure 1 and 2, the present invention mainly comprises matrix 18, and matrix 18 left pivot movement connects left-handed rotating shaft 12, by the affixed left swing swing arm 14 of screw in left-handed rotating shaft 12.Left swing swing arm 14 lower end connects left jaw 17, is provided with triple motion inductance sensor 16 inside left jaw 17.Left swing swing arm 14 upper end connects left handle 9, and left handle 9 can drive left swing swing arm 14 to rotate around left-handed rotating shaft 12.
Dextral shaft 11 is rotationally connected, by the affixed right swing arm 5 of screw on dextral shaft 11 on the right side of matrix 18.Right swing arm 5 lower end connects right jaw 1, is provided with the first displacement inductance sensor 2 inside right jaw 1.Right swing arm 5 upper end connects right handles 6.Described right handles 6 upper end buckles 7 by pinned connection handle, and handle is buckled 7 and can be buckled on left handle, thus protection the second displacement inductance sensor is not subject to External Force Acting when not working.
Matrix 18 is provided with the second displacement inductance sensor 4, is provided with measuring staff 15 inside left swing swing arm 14, and the test lead of measuring staff 15 is towards the second displacement inductance sensor 4.
Extension spring 13 is provided with, between right jaw and measured workpiece, between left jaw and measured workpiece, between the first displacement inductance sensor and measured workpiece, provide precompression between triple motion inductance sensor and measured workpiece, between measuring staff and the second displacement inductance sensor when extension spring 13 works between left swing swing arm 14 and right swing arm 5.
Matrix 18 rear end connection cable joint 10, cable connector 10 rear end connection cable protective sleeve 8, cable protective sleeve 8 pairs of displacement inductance sensor cables play a protective role, and are convenient to on-line checkingi.
Matrix 18 lower end is provided with basic circle locating piece 3, and basic circle locating piece 3 plays coarse positioning effect.
Described left-handed rotating shaft 12 and dextral shaft 11 two ends are provided with bearing 19, and left-handed rotating shaft 12 and dextral shaft 11 can be rotated in matrix 18.Be provided with cushion block 20 and disc spring 21 between the bearing 19 of left swing swing arm 14, right swing arm 5 and left-handed rotating shaft 12, dextral shaft 11 both sides, it is consistent with left swing swing arm axial location that adjustment pad thickness can realize right swing arm, to improve accuracy of detection.
Displacement inductance sensor can directly be connected with external unit, and data are passed to external unit, carries out data analysis, and external unit can be made up of A/D translation interface, computing machine or electron beam etc.
Principle of work of the present invention is: when testing, with holding tight right handles and left handle, right handles drives right swing arm, right jaw, the first displacement inductance sensor, the second displacement inductance sensor to open around dextral shaft.Left handle drives left swing swing arm, left jaw, triple motion inductance sensor, measuring staff to open around left-handed rotating shaft.Coarse positioning is made with basic circle locating piece, measurer is placed on measured workpiece, release handle, under extension spring effect, make right jaw, left jaw, the first displacement inductance sensor and triple motion inductance sensor be close to tested work measurement position respectively, measuring staff and the second displacement inductance sensor are close to.Each displacement inductance sensor sampling, and data are passed to external unit, carry out data analysis.Sampling terminates, and holds tight right handles and left handle, is taken out by measurer, completes detection.
Claims (5)
1. a valve clearance test measuring device, comprise matrix (18), it is characterized in that: matrix (18) left pivot movement connects left-handed rotating shaft (12), by the affixed left swing swing arm (14) of screw in left-handed rotating shaft (12), left swing swing arm (14) lower end connects left jaw (17), left jaw (17) inner side is provided with triple motion inductance sensor (16), and left swing swing arm (14) upper end connects left handle (9), and left handle (9) can drive left swing swing arm (14) to rotate around left-handed rotating shaft (12); Matrix (18) right side is rotationally connected dextral shaft (11), by the affixed right swing arm (5) of screw on dextral shaft (11), right swing arm (5) lower end connects right jaw (1), right jaw (1) inner side is provided with the first displacement inductance sensor (2), and right swing arm (5) upper end connects right handles (6); Matrix (18) is provided with the second displacement inductance sensor (4), and left swing swing arm (14) inner side is provided with measuring staff (15), and the test lead of measuring staff (15) is towards the second displacement inductance sensor (4); Extension spring (13) is provided with between left swing swing arm (14) and right swing arm (5).
2. a kind of valve clearance as claimed in claim 1 test measuring device, is characterized in that: described right handles (6) upper end is buckled (7) by pinned connection handle, and handle is buckled (7) can be buckled on left handle (9).
3. a kind of valve clearance as claimed in claim 1 test measuring device, is characterized in that: described matrix (18) rear end connection cable joint (10), cable connector (10) rear end connection cable protective sleeve (8).
4. a kind of valve clearance as claimed in claim 1 test measuring device, is characterized in that: described matrix (18) lower end is provided with basic circle locating piece (3).
5. a kind of valve clearance as claimed in claim 1 test measuring device, it is characterized in that: described left-handed rotating shaft (12) and dextral shaft (11) two ends are provided with bearing (19), between the bearing (19) of left swing swing arm (14), right swing arm (5) and left-handed rotating shaft (12), dextral shaft (11) both sides, 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 true CN105066867A (en) | 2015-11-18 |
| CN105066867B 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 |
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| Country | Link |
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| CN (1) | CN105066867B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727040A (en) * | 2017-09-04 | 2018-02-23 | 潍柴动力股份有限公司 | The measuring method and device of a kind of valve clearance |
Citations (5)
| 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 |
| JP2005054728A (en) * | 2003-08-06 | 2005-03-03 | Daihatsu Motor Co Ltd | Valve clearance measuring device |
| US20080022956A1 (en) * | 2004-09-29 | 2008-01-31 | Honda Motor Co,. Ltd. | Automatic Tappet Clearance Adjusting Device |
| 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 |
-
2015
- 2015-09-09 CN CN201510570365.2A patent/CN105066867B/en active Active
Patent Citations (5)
| 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 |
| JP2005054728A (en) * | 2003-08-06 | 2005-03-03 | Daihatsu Motor Co Ltd | Valve clearance measuring device |
| US20080022956A1 (en) * | 2004-09-29 | 2008-01-31 | Honda Motor Co,. Ltd. | Automatic Tappet Clearance Adjusting Device |
| 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 |
|---|
| 张军杰，申庆元: "柴油机气门间隙柔性自动调整系统设计与研究", 《内燃机》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727040A (en) * | 2017-09-04 | 2018-02-23 | 潍柴动力股份有限公司 | The measuring method and device of a kind of valve clearance |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105066867B (en) | 2017-11-03 |
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