CN104848824B - A kind of valve swings the measurement apparatus and measuring method in gap - Google Patents
A kind of valve swings the measurement apparatus and measuring method in gap Download PDFInfo
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- CN104848824B CN104848824B CN201410781444.3A CN201410781444A CN104848824B CN 104848824 B CN104848824 B CN 104848824B CN 201410781444 A CN201410781444 A CN 201410781444A CN 104848824 B CN104848824 B CN 104848824B
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- 238000005259 measurement Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims description 15
- 230000008859 change Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention provides the measurement apparatus that a kind of valve swings gap, includes the first framework and the second framework of split settings, and the positioning component for being positioned to first framework and second framework；It is provided with moveable measurement assembly on first framework, the measurement assembly has and can drive the swing arm that pointer is walked about under external force；It is provided with adjustment part on second framework, it is adjustable with for changing the lift of valve to be measured that the adjustment part is configured to distance at a distance of first framework.This kind of measurement apparatus can be used for the measurement in the swing gap of different air valve, and precision is high.
Description
Technical field
The measurement apparatus in gap is swung the present invention relates to a kind of valve and using the measurement apparatus to engine valve
The measuring method that gap measures is swung, belongs to auto parts machinery technical field of measurement and test.
Background technology
Valve is engine important component, for inputting gaseous fuel into automobile engine and discharging waste gas.Valve position
In coordinating in valve guide bushing with valve guide bushing gap, can be rotated relative to valve guide bushing, and supported by valve guide bushing.Transported in automobile
After the certain mileage of row, relative wear can occur between valve and valve guide bushing, cause gap between the two to become big, cause gas
Supporting role failure of the door conduit for valve, and then cause gas leakage and oil leak.Experiment proves, valve and valve guide bushing material with
And gap length situation of the selection of Technology for Heating Processing all by influence after certain time is worn between valve and valve guide bushing, enter
And influence the performance of vehicle.Therefore, the exploitation in automobile and design phase, valve and valve guide bushing material and heat treatment are determined
Whether process choice properly just becomes particularly critical.
In the prior art, it is general determined using measurement valve by the way of full swing gap in valve guide bushing valve with
Whether valve guide bushing material and selection of heat-treatment processes are suitable, and specifically, exploitation and design phase in product are right first
Full swing gap of the valve in valve guide bushing measures, then after wear test, again to valve in valve guide bushing
Interior full swing gap measures, and finally judges change of the maximal clearance after experiment relative to the maximal clearance before experiment
Whether situation, if the maximal clearance of experiment fore-and-aft survey changes beyond theoretical collimation scope, is said within theoretical collimation
The selection of bright material or the selection of Technology for Heating Processing are improper, and then are improved.
However, because the cam profile form of engine varies, also, the maximum lift of different air valve is inconsistent,
In measurement, the cam of different molded line needs to use different survey mass and air valve position limiter, and this causes the general of measurement apparatus
Adaptive is poor；And if led by force with same survey mass and the air valve position limiter valve inconsistent to cam profile in valve
Swing gap in pipe is measured, and measurement result can be caused inaccurate.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome valve swing gap measuring apparatus of the prior art general
All over the technical problem that applicability is weaker and measurement accuracy is relatively low, so as to provide, a kind of general applicability is relatively strong and measurement accuracy is higher
Valve swing gap measuring apparatus.
The invention solves another technical problem be to overcome valve of the prior art to swing gap measuring method
The technical problem that general applicability is weaker and measurement accuracy is relatively low, so as to provide that a kind of general applicability is relatively strong and measurement accuracy compared with
High valve swings gap measuring method.
Therefore, the present invention provides the measurement apparatus that a kind of valve swings gap, including the first framework of split settings and the
Two frameworks, and the positioning component for being positioned to first framework and second framework；On first framework
It is provided with moveable measurement assembly, the measurement assembly has and can drive the swing arm that pointer is walked about under external force；
Be provided with adjustment part on second framework, the adjustment part be configured to distance at a distance of first framework it is adjustable with
For changing the lift of valve to be measured.
At least one spacing hole that the adjustment part includes being arranged on second framework, from one end stretch into the limit
The body of rod of the spacing hole is stretched out in the hole of position and from the other end, and the body of rod is positioned to the fixation kit of extended position.
The fixation kit includes being arranged on internal thread in the spacing hole, and be arranged on the body of rod with it is described
The external screw thread of screw-internal thread fit, the externally threaded rotation journey are more than the rotation journey of the internal thread.
The marking line for marking the body of rod to screw in depth in the spacing hole is provided with the body of rod.
Second framework is the framework of middle part hollow out, and supporting leg, the supporting leg branch are provided with second framework
Supportting the bottom surface of second framework makes the bottom surface have certain road clearance, and the body of rod enters from the road clearance sidespin
The spacing hole.
The spacing hole is obliquely installed on second framework, and/or the swing arm is in the first framework updip
Tiltedly set.
The adjustment part is multigroup, multigroup adjustment part linear type arrangement on second framework.
First framework include be separated by a certain distance setting two fix bars and be fixedly connected on two it is described solid
At least one support bar/support block between fixed pole, the measurement assembly are slidably arranged in the support bar/support block.
Support bar/the support block at least two, and/or the measurement assembly are at least two groups, described at least two
Length direction parallel arranged of the support bar/support block along the fix bar.
The positioning component is set including the first screwed hole, corresponding first screwed hole being arranged on first framework
The second screwed hole on second framework is put, and screws in first screwed hole and the second screwed hole and is matched somebody with somebody by screw thread
Bolt/screw rod that conjunction mode positions first framework and the second framework.
The positioning component is four groups, and forms square localization region on first framework and the second framework.
It is provided with the inside of each fix bar towards the radially projecting flange in another locating rod direction, described the
One screwed hole is arranged on the flange.
A kind of valve swings the measuring method in gap, using above-mentioned measurement apparatus, comprises the following steps：
First framework and the second framework are arranged on be oppositely arranged two surfaces of cylinder cap, and cause the top surface of cylinder cap
Towards the second framework, pass through the relative position of positioning component restriction three；
The position of measurement assembly of the adjustment on the first framework so that measurement assembly corresponds to the taper bottom surface of valve, and
So that swing arm is resisted against at the lateral margin of taper bottom surface of valve;
The height of adjustment part of the adjustment on the second framework so that the adjustment part with a distance of the first framework away from
From for a distance from required, and adjustment part is resisted against on the top end face of the valve；
First allowing valve to drive swing arm to swing straight cause valve towards first direction can not continue to swing to first direction, and remember
It is X to record pointer registration, then allows valve to drive swing arm to be swung towards the second direction opposite with first direction, straight to cause valve
Continue to swing to second direction, and record pointer registration is Y, by X and Y mathematic interpolation is gone out between the full swing of the valve
Gap.
Valve provided by the invention swings the measurement apparatus in gap and measuring method has the following advantages that：
The valve of the present invention swings the measurement apparatus in gap, and when specifically used, the first framework and the second framework are installed
On be oppositely arranged two surfaces of cylinder cap, and cause the top surface of cylinder cap that towards the second framework, three are limited by positioning component
The relative position of person；The position of measurement assembly of the adjustment on the first framework so that measurement assembly corresponds to the conical bottom of valve
Face, and swing arm is resisted against at the lateral margin of taper bottom surface of valve;The height of adjustment part of the adjustment on the second framework
Degree so that the adjustment part is required distance with the distance at a distance of the first framework, and causes adjustment part to be resisted against the gas
On the top end face of door；First allowing valve to drive swing arm to swing straight cause valve towards first direction can not continue to put to first direction
It is dynamic, and record pointer registration is X, then allow valve to drive swing arm to be swung towards the second direction opposite with first direction, it is straight to cause
Valve can not continue to swing to second direction, and record pointer registration is Y, goes out the valve most by X and Y mathematic interpolation
It is big to swing gap.In the process, because the adjustment part is configured to height adjustable, namely at a distance of first framework
Apart from adjustable, therefore, in the lift variation of valve to be measured, the adjustment can be adjusted according to the different lifts of different air valve
Part at a distance of first framework distance, for example, when need measure with more high-lift valve swing gap when, by institute
Adjustment part is stated to turn down at a distance of the distance of the first framework, namely so that the top end face of valve is closer to first framework, more
Add away from second framework；When needing to measure the swing gap of the valve with smaller lift, by the adjustment part phase
Distance away from the first framework tunes up, namely so that the top end face of valve is farther away from first framework, closer to described
Two frameworks, after being so adjusted so that measurement apparatus of the invention goes for the survey in the swing gap of different air valve
Amount, applicability enhancing, because applicability strengthens, its measurement accuracy is set also to improve therewith；Also, because positioning component is by the first frame
The relative position of frame, the second framework and cylinder cap is positioned, and is adjusted so as to only exchange integeral part this variable, just
The measurement needs of different air valve can be met, therefore, measurement process is very easy.
Brief description of the drawings
Fig. 1 is that valve swings gap measuring apparatus and the schematic diagram after cylinder cap assembling in the embodiment of the present invention 1；
Fig. 2 is Fig. 1 decomposing schematic representation；
Fig. 3 is the structural representation of the first framework in the embodiment of the present invention 1；
Fig. 4 is the structural representation of the second framework in the embodiment of the present invention 1；
Fig. 5 is the cooperation schematic diagram that valve swings gap measuring apparatus and valve in the embodiment of the present invention 1；
Fig. 6 is the measuring principle schematic diagram that valve swings gap in the embodiment of the present invention 1.
In figure：The frameworks of 1- first；11- fix bars；12- support bars/support block；The frameworks of 2- second；21- supporting legs；3- determines
Hyte part；The screwed holes of 31- first；The screwed holes of 32- second；33- bolts/screw rod；34- flanges；35- guidees；4- cylinder caps；5- is measured
Component；51- swing arms；52- gauge stands；53- measurement tables；6- adjusts part；61- spacing holes/screwed hole；The 62- bodies of rod/bolt；7-
Valve；71- top end faces；72- tapers bottom surface；H1- valves measure line；H2- cylinder caps measure line；H3- valve top end face tangent lines；H4-
Bolt is outside tangentially.
Embodiment
The measurement apparatus for swinging gap to valve provided by the invention below in conjunction with the accompanying drawings illustrates.
Embodiment 1
The present embodiment provides the measurement apparatus that a kind of valve swings gap, for measuring maximum of the valve in valve guide bushing
Gap is swung, includes the first framework 1 of split settings（As shown in Figure 3）With the second framework 2 (as shown in Figure 4), and for pair
The positioning component 3 that first framework 1 and second framework 2 are positioned（As shown in Figure 1, 2）；On first framework 1
It is provided with moveable measurement assembly 5, the measurement assembly 5 has and can drive the swing arm that pointer is walked about under external force
51；Be provided with adjustment part 6 on second framework 2, the adjustment part 6 be configured at a distance of first framework 1 away from
From adjustable with for changing the lift of valve to be measured.
As shown in Figure 1, 2, 3, in the present embodiment, first framework 1 includes two fix bars 11 being oppositely arranged, with
And four support bars 12 between two fix bars 11 are fixedly connected on, four support bars 12 are along the fix bar
11 length direction parallel arranged, gap is respectively provided between two neighboring support bar 12, two support bars 12 positioned at most inner side
Between gap be more than gap between other adjacent supports bars 12, the fix bar 11 and positioned at outermost two branch
First framework 1 is configured to quadra by strut 12, and the inner side of each fix bar 11 is provided with two towards another
The flange 34 that the direction of side fix bar 11 radially extends, the gap that two support bars 12 of the flange 34 positioned at most inner side are formed
It is interior, and the line of centres of four flanges 34 is square structure.
As shown in Fig. 1,2,4, in the present embodiment, second framework 2 is the square plate body of middle part hollow out, described square
Supporting leg 21 is provided with plate body, the supporting leg 21 supports the bottom surface of second framework 2 bottom surface is had necessarily
Road clearance, the road clearance can be that adjustment portion part 6 provides operating space, be conveniently adjusted part 6 on second framework 2
Height adjustment.
Between being noted here that between mounting surface of the road clearance for square plate body and under square plate body
Gap, the mounting surface can be the table tops of ground surface or device or support, and this is being actually used depending on the second framework 2
In installation environment.
As shown in Fig. 1,2,3,5, in the present embodiment, the measurement assembly 5 includes being slidably arranged in the support bar 12
On gauge stand 52, the measurement table 53 on the gauge stand 52, there is holding tank on the gauge stand 52, the measurement table 53 has
There is the pointer of instruction registration, swing arm 51 and give the bullet of swing arm 51 that pointer walks about can be driven under external force
Property pressure the swing arm 51 to stretch out one end of holding tank to be tightly abutted against on the lateral margin of taper bottom surface 72 of valve 7
Elastic pressurized device, the swing arm 51 are obliquely installed on first framework 1.
Swing arm 51 is obliquely installed, and is easy to ensure that the valve measurement line is parallel with screw outer, is easy to improve measurement
Precision.
As shown in Fig. 1,2,5, the positioning component 3 includes the be arranged on the flange 34 of first framework 1
One screwed hole 31, corresponding first screwed hole 31 are arranged on the second screwed hole 32 on second framework 2, guide 35 and
Screw in the screwed hole 32 of the first screwed hole 31 and second and by thread fiting mode by the framework of the first framework 1 and second
The bolt 33 of 2 positioning.The positioning component 3 is four groups, and is formed on the framework 2 of the first framework 1 and second and square determined
Position region.
As shown in Fig. 1,2,3,5, the adjustment part 6 includes at least one screw thread being arranged on second framework 2
Hole 61, the bolt 62 that the screwed hole 61 is stretched out in the screwed hole 61 and from the other end, the screwed hole 61 are stretched into from one end
With internal thread, the bolt 62 has external screw thread, and the externally threaded rotation journey is more than the rotation journey of the internal thread, that is, institute
State length of the length more than the thread segment of the screwed hole 61 of the thread segment of bolt 62.Mark institute is provided with the bolt 62
State the marking line that bolt 62 screws in depth in the screwed hole 61.The screwed hole 61 is obliquely installed on second framework 2,
Because the screwed hole 61 is obliquely installed on second framework 2, bolt 62 can be caused to match the valve being obliquely installed, just
In ensureing that the valve measurement line is parallel with screw outer, it is easy to improve measurement accuracy.
When specifically used, bolt 62 is screwed in the screwed hole 61, can be real by the cooperation of external screw thread and internal thread
Referring now to the positioning of bolt 62；Simultaneously as the length of the thread segment of the bolt 62 is more than the thread segment of the screwed hole 61
Length, therefore, screw-in length of the bolt 62 in screwed hole 61 can be adjusted, and then adjust the bolt 62 and stretch out institute
The height of screwed hole 61 is stated, that is, can adjust the bolt 62 stretches out one end of screwed hole 61 apart from first framework 1
Distance；Due to setting above-mentioned marking line, can during bolt 62 is screwed in precision the screw-in length for knowing the bolt, just
In adjustment.
It should be noted that when screwing in bolt 62, enter from the road clearance sidespin of second framework 62, so that
The head of bolt 62 was located in the road clearance, without taking the space outside measurement apparatus, was easy to the densification of mechanism；Also,
Road clearance is that bolt 62 provides advance and retreat space, is easy to the screw-in to bolt 62 and back-out operation.
When carrying out the measurement in valve full swing gap with the above-mentioned measurement apparatus of the present embodiment, by the first framework 1
It is arranged on the second framework 2 on be oppositely arranged two surfaces of cylinder cap 4, and causes top surface the second framework 2 of direction of cylinder cap 4,
Pass through the first screwed hole 31, the second screwed hole 32, bolt 33 and the relative of restriction three of perforating being arranged on the cylinder cap 4
Position, as shown in Figure 1, 2；Gauge stand 52 is slided along the length direction of the support bar 12 so that the swing arm 51 of measurement table 53
The taper bottom surface 72 of corresponding valve 7, and swing arm 51 is resisted against at the lateral margin of taper bottom surface 72 of valve 7, such as Fig. 5,6 institutes
Show;Bolt 62 is screwed in screwed hole 61, screw-in length of the adjustment bolt 62 as needed in screwed hole 61, and cause bolt
62 one end for stretching out the screwed hole 61 are resisted against on the top end face 71 of the valve 7, as shown in Figure 5,6；Valve 7 is first allowed to drive
Swing arm 51 swings straight cause valve towards first direction can not continue to swing to first direction, and record pointer registration is X, then allow
Valve 7 drives swing arm 51 to be swung towards the second direction opposite with first direction, straight to cause valve 7 to continue to second direction
Swing, and record pointer registration is Y, and the full swing gap of the valve 7 is gone out by X and Y mathematic interpolation.
In above-mentioned measurement process, because screw-in length of the bolt 62 in the screwed hole 61 is adjustable, so as to
, therefore, can basis in the lift variation of valve 7 to be measured to adjust the distance that the bolt 62 stretches out the screwed hole 61
The different lifts of different air valve 7 adjust the screw-in length of the bolt 62, for example, when needing to measure the bigger valve 7 of lift
When swinging gap, it is necessary to the screw-in length of bolt 62 be increased, that is, the bolt 62 is stretched out into described one end of screwed hole 61
Distance at a distance of the first framework 1 is turned down；When need to measure the smaller valve of lift when swinging gap, it is necessary to rotation by bolt 62
Enter length reduction, tuned up that is, the bolt 62 is stretched out into described one end of screwed hole 61 at a distance of the distance of the first framework 1；So
After being adjusted so that the measurement apparatus of the present embodiment goes for the measurement in the swing gap of different air valve, applicability
Enhancing, because applicability strengthens, its measurement accuracy is set also to improve therewith；Also, because positioning component 3 is by the first framework 1, second
The relative position of framework 2 and cylinder cap 4 is positioned, and is adjusted so as to only exchange integeral part 6 this variable, can just be expired
The measurement of sufficient different air valve needs, and therefore, measurement process is very easy.
In order to the measurement apparatus of apparent explanation the present embodiment can be to the valve of different lifts swing gap carry out
The measuring principle of measurement, is illustrated below in conjunction with Fig. 6：H1- valves measure line；H2- cylinder caps measure line；H3- valve top end faces
Tangent line；Outside H4- bolts tangentially；The design definite value of L- measurement apparatus；A- valve length；B- bolt screw-in lengths；C- valve liters
Journey.
As shown in fig. 6, the distance between A=H3 and H1；The distance between B=H3 and H4；Between C=H1 and H2 away from
From, the distance between L=H2 and H4, L=A+B-C, design when, L value is set as definite value as needed, by adjusting B
Value, you can adjustment C, that is, measurement with different lift C valve when, it is only necessary to adjust B value.
Embodiment 2
The present embodiment provides a kind of measurement apparatus in valve full swing gap, and it is the change on the basis of embodiment 1
Shape, in the present embodiment, the structure of the adjustment part 6 are different from embodiment 1, and specifically, the adjustment part 6 includes setting
Spacing hole 61 on second framework 2, the body of rod 62 that can be screwed in the spacing hole 61, and by the He of the body of rod 62
The screw assembly that the spacing hole is positioned together, the screw assembly include being arranged on second framework 2 and the bar
Spiral shell in multiple screws in the side wall of body 62, and the insertion screw so that the framework 2 of the body of rod 62 and second to be positioned together
Nail or bolt.When needing to adjust screw-in length of the body of rod 62 in the spacing hole 61, screw or bolt are inserted not
It is matched in same screw, and then the top end face 71 of the valve 7 of different lifts can be carried out against to carry out difference
The measurement in the full swing gap of valve 7.
Embodiment 3
The present embodiment provides a kind of measurement apparatus in valve full swing gap, and it is the change on the basis of embodiment 1
Shape, in the present embodiment, the structure of the adjustment part 6 is different from embodiment 1, and specifically, adjustment part 6 is extension type set
Pipe, the extension type sleeve pipe include the outer tube being positioned on second framework 2, the inner tube being socketed in the outer tube, institute
State inner tube with the outer ligament to coordinate, so as to axially adjust the length that said inner tube extends into or out the outer tube
Degree, and then the top end face 71 of the valve 7 of different lifts can be carried out against to carry out the full swing gap of different air valve 7
Measurement.
Embodiment 4
The present embodiment provides a kind of measurement apparatus in valve full swing gap, and it is on embodiment 1 or 2 or 3 bases
On deformation, in the present embodiment, the set-up mode of measurement assembly 5 is different from embodiment 1,2,3.
In order to carry out the measurement in the swing gap of multiple valves simultaneously, as shown in figure 5, the measurement assembly 5 is set
For two groups, measurement assembly 5 described in every group is supported by two support bars 12 respectively, the swing arm of measurement assembly 5 described in two groups
51 opposite tilts are set.
Certainly, as measurement assembly 5 quantity deformation, the measurement assembly 5 can also be arranged as required to be more
Group, such as 5,6,7,8 groups etc., length direction of the measurement assembly 5 along fix bar 11 is arranged on the support bar 12,
To be measured to multiple valves 7 on same cylinder cap；Or the measurement assembly 5 can also be along the length of support bar 12
Direction arranges, to be measured to multiple valves on different cylinder caps simultaneously.Correspondingly, the adjustment part 6 is multigroup,
The linear type arrangement on second framework 2 of multigroup adjustment part 6.
Deformation as the structure of measurement assembly 5, it is convenient to omit gauge stand 52, and measurement table 53 is directly slidably arranged in described
On support bar 12.
Embodiment 5
The present embodiment provides the measuring method that a kind of valve swings gap, using the survey any one of embodiment 1-5
Device is measured, is comprised the following steps：
A. the first framework 1 and the second framework 2 are arranged on be oppositely arranged two surfaces of cylinder cap 4, and cause cylinder cap 4
Top surface towards the second framework 2, pass through the relative position that positioning component 3 limits three；
B. the position of measurement assembly of the adjustment on the first framework 1 so that the conical bottom of the corresponding valve 7 of measurement assembly 5
Face 72, and swing arm 51 is resisted against at the lateral margin of taper bottom surface 72 of valve 7;
C. the height of adjustment part 6 of the adjustment on the second framework 2 so that adjustment part 6 is resisted against the valve 7
On top end face 71；
D. first allowing valve 7 to drive swing arm 51 to swing straight cause valve 7 towards first direction can not continue to put to first direction
It is dynamic, and record pointer registration is X, then allow valve 7 to drive swing arm 51 to be swung towards the second direction opposite with first direction, directly
Valve 7 is caused to continue to swing to second direction, and record pointer registration is Y, goes out the valve by X and Y mathematic interpolation
Full swing gap.
It should be noted that in the present embodiment, A, B, C, D are carried out successively according to sequencing.
Implement the deformation of sequencing as A, B, C, D, in the case where ensureing that D steps are finally carried out, in the present embodiment
In, A, B, step C can adjust order, for example, C is before B, or B is before A etc..
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.For
For those of ordinary skill in the art, other various forms of changes or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change or change thus extended out
Among moving still in the protection domain of the invention.
Claims (9)
1. a kind of valve swings the measurement apparatus in gap, it is characterised in that：The first framework (1) and the second frame including split settings
Frame (2), and the positioning component (3) for being positioned to first framework (1) and second framework (2)；Described
Moveable measurement assembly (5) is provided with one framework (1), the measurement assembly (5) has and can driven under external force
The swing arm (51) that pointer is walked about；Adjustment part (6) is provided with second framework (2), the adjustment part (6) is constructed
To be adjustable with for changing the lift of valve to be measured at a distance of the distance of first framework (1)；First framework (1) includes phase
Two fix bars (11) being set away from certain distance and it is fixedly connected at least one between two fix bars (11)
Support bar/support block (12), the measurement assembly (5) are slidably arranged on the support bar/support block (12).
2. valve according to claim 1 swings the measurement apparatus in gap, it is characterised in that：Adjustment part (6) bag
Include at least one spacing hole (61) being arranged on second framework (2), stretch into from one end in the spacing hole (61) and from
The other end stretches out the body of rod (62) of the spacing hole (61), and the body of rod (62) is positioned to the fixation group of extended position
Part.
3. valve according to claim 2 swings the measurement apparatus in gap, it is characterised in that：The fixation kit includes setting
The internal thread in the spacing hole (61) is put, and is arranged on the outer spiral shell on the body of rod (62) with the screw-internal thread fit
Line, the externally threaded rotation journey are more than the rotation journey of the internal thread.
4. valve according to claim 3 swings the measurement apparatus in gap, it is characterised in that：Set on the body of rod (62)
There is the marking line for marking the body of rod (62) to screw in the interior depth of the spacing hole (61).
5. the valve according to any one of claim 2-4 swings the measurement apparatus in gap, it is characterised in that：Described second
Framework (2) is the framework of middle part hollow out, and supporting leg (21), supporting leg (21) support are provided with second framework (2)
The bottom surface of second framework (2) makes the bottom surface have certain road clearance, and the body of rod (62) is from the road clearance
Sidespin enters the spacing hole (61).
6. the valve according to any one of claim 2-4 swings the measurement apparatus in gap, it is characterised in that：It is described spacing
Hole (61) is obliquely installed on second framework (2), and/or the swing arm (51) tilts on first framework (1)
Set.
7. the measurement apparatus in gap is swung according to valve any one of claim 1-4, it is characterised in that：The adjustment portion
Part (6) is multigroup, multigroup adjustment part (6) linear type arrangement on second framework (2).
8. the valve according to any one of claim 1-4 swings the measurement apparatus in gap, it is characterised in that：The positioning
Component (3) includes the first screwed hole (31), correspondence the first screwed hole (31) setting being arranged on first framework (1)
The second screwed hole (32) on second framework (2), and screw in first screwed hole (31) and the second screwed hole
(32) bolt/screw rod (33) for and by thread fiting mode positioning first framework (1) and the second framework (2).
9. a kind of valve swings the measuring method in gap, it is characterised in that：Using the measurement any one of claim 1-8
Device, comprise the following steps：
First framework (1) and the second framework (2) are arranged on be oppositely arranged two surfaces of cylinder cap, and cause the top of cylinder cap
Facing to the second framework (2), pass through the relative position of positioning component (3) restriction three；
The position of measurement assembly of the adjustment on the first framework (1) so that the taper bottom surface of the corresponding valve of measurement assembly (5),
And swing arm (51) is resisted against at the lateral margin of taper bottom surface of valve；
The height of adjustment part of the adjustment on the second framework (2) so that the adjustment part at a distance of the first framework (1) away from
From for a distance from required, and adjustment part is resisted against on the top end face of the valve；
First allowing valve to drive swing arm (51) to swing straight cause valve towards first direction can not continue to swing to first direction, and remember
It is X to record pointer registration, then allows valve to drive swing arm (51) to be swung towards the second direction opposite with first direction, directly causes valve
It can not continue to swing to second direction, and record pointer registration is Y, goes out the valve most by the X and Y mathematic interpolations recorded
It is big to swing gap.
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| CN107036508B (en) * | 2017-05-25 | 2023-04-25 | 东风康明斯发动机有限公司 | Engine dynamic valve clearance signal detection device and method |
| CN113386061B (en) * | 2021-06-11 | 2024-01-30 | 重庆红江机械有限责任公司 | Electric control unit pump lift air gap measuring device |
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| US4474059A (en) * | 1983-02-11 | 1984-10-02 | Hoeptner Iii Herbert W | Valve adjusting tool |
| CN102506652B (en) * | 2011-10-19 | 2013-08-28 | 常熟理工学院 | Abrasion loss measurement device for engine valve guide pipe |
| CN102589390B (en) * | 2012-03-08 | 2015-07-15 | 奇瑞汽车股份有限公司 | Device and method for measuring lift of air valves of engine cylinder cover |
| CN102645142A (en) * | 2012-05-22 | 2012-08-22 | 三一能源重工有限公司 | Dial indicator bracket |
| CN103217294B (en) * | 2013-03-20 | 2015-06-03 | 天津大学 | Zero point judgment and control mechanism for valve stroke of internal combustion engine air flue current stabilization test bed |
| CN203629499U (en) * | 2013-09-23 | 2014-06-04 | 浙江吉利控股集团有限公司 | Engine air cylinder cover ring band height detection device |
| CN203908467U (en) * | 2014-06-27 | 2014-10-29 | 重庆三爱海陵实业有限责任公司 | Gap detection apparatus of valve stem and conduit |
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Denomination of invention: The invention relates to a measuring device for valve swing clearance and a measuring method thereof Effective date of registration: 20211213 Granted publication date: 20171208 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd. Registration number: Y2021990001167 |
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