CN104848824A - Measurement device and method for valve swing gap - Google Patents
Measurement device and method for valve swing gap Download PDFInfo
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- CN104848824A CN104848824A CN201410781444.3A CN201410781444A CN104848824A CN 104848824 A CN104848824 A CN 104848824A CN 201410781444 A CN201410781444 A CN 201410781444A CN 104848824 A CN104848824 A CN 104848824A
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- 238000005259 measurement Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims description 16
- 238000000926 separation method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
Classifications
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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
- 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 invention provides a measurement device for a valve swing gap. The measurement device includes a first frame and a second frame arranged in a split manner, and a positioning assembly used for positioning the first frame and the second frame. The first frame is provided with a movable measurement assembly provided with a swing arm capable of driving a point pin to move under the action of an external force. The second frame is provided with an adjusting component configured to be move away from or towards to the first frame so as to change the life of a to-be-measured valve. The measurement device can be used for measurement of swing gaps of different values and is high in precision.
Description
Technical field
The present invention relates to the measurement mechanism that a kind of valve swings gap and the measuring method using the swing gap of this measurement mechanism to engine valve to measure, belong to auto parts machinery technical field of measurement and test.
Background technology
Valve is engine vitals, for inputting gaseous fuel and combustion gas in motor car engine.Valve is positioned at valve guide bushing and valve guide bushing clearance fit, can rotate, and supported by valve guide bushing relative to valve guide bushing.After the certain mileage of automobilism, between valve and valve guide bushing, can relative wear be there is, cause gap between the two to become large, cause valve guide bushing to lose efficacy for the supporting role of valve, and then cause gas leakage and leakage of oil.Test proves, the selection of valve and valve guide bushing material and Technology for Heating Processing all by the gap length situation of impact after wearing and tearing certain hour between valve and valve guide bushing, and then affects the performance of car load.Therefore, in exploitation and the design phase of automobile, determine that whether valve and valve guide bushing material and selection of heat-treatment processes be suitable and just become particularly crucial.
In prior art, the general mode measuring valve full swing gap in valve guide bushing that adopts determines that whether valve and valve guide bushing material and selection of heat-treatment processes be suitable, specifically, in exploitation and the design phase of product, first the full swing gap of valve in valve guide bushing is measured, then after wear test, again the full swing gap of valve in valve guide bushing is measured, finally judge that the situation of change of the maximal clearance after testing relative to the maximal clearance before test is whether within theoretical collimation, if the maximal clearance change of test fore-and-aft survey is beyond theoretical collimation scope, then the selection of illustrative material or the selection of Technology for Heating Processing improper, and then improve.
But because the cam profile form of engine varies, and the maximum lift of different air valve is inconsistent, when measuring, the cam of different molded line needs to adopt different survey mass and air valve position limiter, and this causes the universality of measurement mechanism poor; If use same survey mass and the air valve position limiter valve swing gap valve guide bushing in inconsistent to cam profile to measure by force, measurement result can be caused inaccurate.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is to overcome valve of the prior art and swings the more weak and technical matters that measuring accuracy is lower of gap measuring apparatus general applicability, thus provides a kind of general applicability comparatively strong and the valve that measuring accuracy is higher swings gap measuring apparatus.
Another technical matters that the present invention will solve is to overcome valve of the prior art and swings the more weak and technical matters that measuring accuracy is lower of gap measuring method general applicability, thus provides a kind of general applicability comparatively strong and the valve that measuring accuracy is higher swings gap measuring method.
For this reason, the invention provides the measurement mechanism that a kind of valve swings gap, comprise the first framework and second framework of split setting, and the positioning component for positioning described first framework and described second framework; Described first framework is provided with moveable measurement components, and described measurement components has the swing arm that can pointer be driven under external force to walk about; Described second framework is provided with adjustment component, and the distance that described adjustment component is constructed at a distance of described first framework is adjustable with the lift being used for changing valve to be measured.
Described adjustment component comprises at least one spacing hole be arranged on described second framework, stretch into from one end in described spacing hole and stretch out the body of rod of described spacing hole from the other end, and the described body of rod is positioned at the fixation kit of extended position.
Described fixation kit comprises the internal thread be arranged in described spacing hole, and is arranged on the external thread with described screw-internal thread fit on the described body of rod, described externally threaded revolve that journey is greater than described internal thread revolve journey.
The described body of rod is provided with the marking line that the described body of rod of mark screws in the degree of depth in described spacing hole.
Described second framework is the framework of middle part hollow out, and described second framework is provided with supporting leg, and the bottom surface that described supporting leg supports described second framework makes described bottom surface have certain ground clearance of machine, and the described body of rod enters described spacing hole from described ground clearance of machine sidespin.
Described spacing hole is arranged in described second framework surface thereof, and/or described swing arm is arranged in described first framework surface thereof.
Described adjustment component is many groups, and the described adjustment component of many groups is linearly type arrangement on described second framework.
Described first framework comprises two fixed bars arranged in a distance and at least one the support bar/back-up block be fixedly connected between two described fixed bars, and described measurement components is slidably arranged on described support bar/back-up block.
Described support bar/back-up block is at least two, and/or described measurement components is at least two groups, and at least two described support bar/back-up blocks are along the length direction parallel arranged of described fixed bar.
Described positioning component comprises the first threaded hole be arranged on described first framework, corresponding described first threaded hole is arranged on the second threaded hole on described second framework, and screws in described first threaded hole and the second threaded hole and by the bolt/screw rod of thread fiting mode by described first framework and the second framework location.
Described positioning component is four groups, and forms square locating area on described first framework and the second framework.
The inner side of each described fixed bar is provided with towards the outstanding flange of another backstay direction radial direction, and described first threaded hole is arranged on described flange.
Valve swings the measuring method in gap, adopts above-mentioned measurement mechanism, comprises the steps:
By the first framework and the second frame installation on be oppositely arranged two surfaces of cylinder cap, and make the end face of cylinder cap towards the second framework, limited the relative position of three by positioning component;
Adjustment is positioned at the position of the measurement components on the first framework, makes the taper bottom surface of the corresponding valve of measurement components, and makes swing arm be resisted against the lateral margin place of the taper bottom surface of valve;
Adjustment is positioned at the height of the adjustment component on the second framework, makes described adjustment component be required separation distance with the distance at a distance of the first framework, and makes adjustment component be resisted against on the top end face of described valve;
First allow valve drive swing arm to cause valve towards first direction swinging direct can not continue to swing to first direction, and record pointer registration is X, valve is allowed to drive swing arm to swing towards the second direction contrary with first direction again, directly cause valve can not continue to swing to second direction, and record pointer registration is Y, gone out the full swing gap of described valve by the mathematic interpolation of X and Y.
Measurement mechanism and the measuring method tool in valve swing gap provided by the invention have the following advantages:
Valve of the present invention swings the measurement mechanism in gap, when specifically using, by the first framework and the second frame installation on be oppositely arranged two surfaces of cylinder cap, and making the end face of cylinder cap towards the second framework, being limited the relative position of three by positioning component; Adjustment is positioned at the position of the measurement components on the first framework, makes the taper bottom surface of the corresponding valve of measurement components, and makes swing arm be resisted against the lateral margin place of the taper bottom surface of valve; Adjustment is positioned at the height of the adjustment component on the second framework, makes described adjustment component be required separation distance with the distance at a distance of the first framework, and makes adjustment component be resisted against on the top end face of described valve; First allow valve drive swing arm to cause valve towards first direction swinging direct can not continue to swing to first direction, and record pointer registration is X, valve is allowed to drive swing arm to swing towards the second direction contrary with first direction again, directly cause valve can not continue to swing to second direction, and record pointer registration is Y, gone out the full swing gap of described valve by the mathematic interpolation of X and Y.In the process, because described adjustment component is constructed to height adjustable, also the distance namely at a distance of described first framework is adjustable, therefore, when the lift variation of valve to be measured, the distance of described adjustment component at a distance of described first framework can be adjusted according to the different lifts of different air valve, such as, when needing measurement to have the swing gap of the valve of more high-lift, the distance of described adjustment component at a distance of the first framework is turned down, also namely, the top end face of valve is made more near described first framework, more away from described second framework; When needing measurement to have the swing gap of the valve of less lift, the distance of described adjustment component at a distance of the first framework is tuned up, also be, make the top end face of valve more away from described first framework, more near described second framework, after so adjusting, measurement mechanism of the present invention is made to go for the measurement in the swing gap of different air valve, applicability strengthens, and because applicability strengthens, its measuring accuracy is also improved thereupon; Further, because the relative position of positioning component by the first framework, the second framework and cylinder cap is located, thus only adjust this variable of adjustment component, just can meet the measurement needs of different air valve, therefore, measuring process is very easy.
Accompanying drawing explanation
Fig. 1 be in the embodiment of the present invention 1 valve swing gap measuring apparatus and cylinder cap assemble after schematic diagram;
Fig. 2 is the decomposing schematic representation of Fig. 1;
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 be in the embodiment of the present invention 1 valve swing gap measuring apparatus and valve coordinate schematic diagram;
Fig. 6 is the measuring principle schematic diagram that in the embodiment of the present invention 1, valve swings gap.
In figure: 1-first framework; 11-fixed bar; 12-support bar/back-up block; 2-second framework; 21-supporting leg; 3-positioning component; 31-first threaded hole; 32-second threaded hole; 33-bolt/screw rod; 34-flange; 35-guide; 4-cylinder cap; 5-measurement components; 51-swing arm; 52-gauge stand; 53-meter; 6-adjustment component; 61-spacing hole/threaded hole; The 62-body of rod/bolt; 7-valve; 71-top end face; 72-taper bottom surface; H1-valve slotted line; H2-cylinder cap slotted line; H3-valve top end face tangent line; H4-bolt is outer tangentially.
Embodiment
Below in conjunction with accompanying drawing, the measurement mechanism that valve provided by the invention swings gap is described.
embodiment 1
The present embodiment provides a kind of valve to swing the measurement mechanism in gap, for measuring the full swing gap of valve in valve guide bushing, comprise the first framework 1(that split arranges as shown in Figure 3) and the second framework 2 (as shown in Figure 4), and for the positioning component 3(that positions described first framework 1 and described second framework 2 as shown in Figure 1, 2); Described first framework 1 is provided with moveable measurement components 5, and described measurement components 5 has the swing arm 51 that can pointer be driven under external force to walk about; Described second framework 2 is provided with adjustment component 6, and the distance that described adjustment component 6 is constructed at a distance of described first framework 1 is adjustable with the lift being used for changing valve to be measured.
As Fig. 1, 2, shown in 3, in the present embodiment, described first framework 1 comprises two fixed bars be oppositely arranged 11, and four support bars 12 be fixedly connected between two described fixed bars 11, four described support bars 12 are along the length direction parallel arranged of described fixed bar 11, all there is gap between adjacent two support bars 12, gap between two support bars 12 of inner side is greater than the gap between other adjacent supports bars 12, described fixed bar 11 and be positioned at outermost two described support bars 12 described first framework 1 is configured to quadra, the inner side of each described fixed bar 11 is provided with two flanges 34 extended towards opposite side fixed bar 11 direction radial direction, the gap that two support bars 12 that described flange 34 is positioned at inner side are formed, and the line of centres of four described flanges 34 is square structure.
As shown in Fig. 1,2,4, in the present embodiment, described second framework 2 is the square plate body of middle part hollow out, described square plate body is provided with supporting leg 21, the bottom surface that described supporting leg 21 supports described second framework 2 makes described bottom surface have certain ground clearance of machine, this ground clearance of machine can provide operating space for adjustment component 6, is convenient to the height control of adjustment component 6 on described second framework 2.
At this, it should be noted that the ground clearance of machine is gap between square plate body and the installed surface under square plate body, this installed surface can be ground surface, also can be the table top of device or support, and this depends on the second framework 2 installation environment in actual use.
As Fig. 1, 2, 3, shown in 5, in the present embodiment, described measurement components 5 comprises the gauge stand 52 be slidably arranged on described support bar 12, be arranged on the meter 53 on described gauge stand 52, described gauge stand 52 has holding tank, described meter 53 has the pointer of instruction registration, the swing arm 51 that can pointer be driven under external force to walk about and tightly can be resisted against elastic pressurized device on taper bottom surface 72 lateral margin of valve 7 to the one end making described swing arm 51 stretch out holding tank with described swing arm 51 elastic pressure, described swing arm 51 is arranged in described first framework 1 surface thereof.
Swing arm 51 is obliquely installed, and is convenient to ensure the parallel of described valve slotted line and screw outer, is convenient to improve measuring accuracy.
As shown in Fig. 1,2,5, described positioning component 3 comprises the first threaded hole 31 on the described flange 34 being arranged on described first framework 1, corresponding described first threaded hole 31 is arranged on the second threaded hole 32 on described second framework 2, guide 35 and screw in described first threaded hole 31 and the second threaded hole 32 and the bolt 33 of described first framework 1 and the second framework 2 being located by thread fiting mode.Described positioning component 3 is four groups, and forms square locating area on described first framework 1 and the second framework 2.
As shown in Fig. 1,2,3,5, described adjustment component 6 comprises at least one threaded hole 61 be arranged on described second framework 2, stretch into from one end in described threaded hole 61 and stretch out the bolt 62 of described threaded hole 61 from the other end, described threaded hole 61 has internal thread, described bolt 62 has external thread, described externally threaded revolve that journey is greater than described internal thread revolve journey, also namely, the length of the thread segment of described bolt 62 is greater than the length of the thread segment of described threaded hole 61.Described bolt 62 is provided with the marking line that the described bolt 62 of mark screws in the degree of depth in described threaded hole 61.Described threaded hole 61 is arranged in described second framework 2 surface thereof, because described threaded hole 61 is arranged in described second framework 2 surface thereof, bolt 62 can be made to mate the valve be obliquely installed, be convenient to ensure the parallel of described valve slotted line and screw outer, be convenient to improve measuring accuracy.
During concrete use, bolt 62 is screwed in described threaded hole 61, the location that can realize for bolt 62 by the cooperation of external thread and internal thread; Simultaneously, length due to the thread segment of described bolt 62 is greater than the length of the thread segment of described threaded hole 61, therefore, the screw-in length of described bolt 62 in threaded hole 61 can be adjusted, and then adjust the height that described bolt 62 stretches out described threaded hole 61, also namely, the distance of one end apart from described first framework 1 that described bolt 62 stretches out threaded hole 61 can be adjusted; Owing to arranging above-mentioned marking line, at the screw-in length knowing described bolt screwing in precision in bolt 62 process, adjustment can be convenient to.
It should be noted that, when screwing in bolt 62, entering from the ground clearance of machine sidespin of described second framework 62, thus making the head of bolt 62 be positioned at the ground clearance of machine, the space outside measurement mechanism need not be taken, be convenient to the densification of mechanism; Further, the ground clearance of machine is that bolt 62 provides advance and retreat space, is convenient to the screw-in to bolt 62 and back-out operation.
When using the above-mentioned measurement mechanism of the present embodiment to carry out the measurement in valve full swing gap, first framework 1 and the second framework 2 are arranged on be oppositely arranged two surfaces of cylinder cap 4, and make the end face of cylinder cap 4 towards the second framework 2, the relative position of three is limited, as shown in Figure 1, 2 by the first threaded hole 31, second threaded hole 32, bolt 33 and the perforation be arranged on described cylinder cap 4; Along the length direction slip gauge stand 52 of described support bar 12, make the taper bottom surface 72 of the corresponding valve 7 of the swing arm 51 of meter 53, and make swing arm 51 be resisted against the lateral margin place of the taper bottom surface 72 of valve 7, as shown in Figure 5,6; Bolt 62 is screwed in threaded hole 61, adjust the screw-in length of bolt 62 in threaded hole 61 as required, and the one end making bolt 62 stretch out described threaded hole 61 is resisted against on the top end face 71 of described valve 7, as shown in Figure 5,6; First allow valve 7 drive swing arm 51 to cause valve towards first direction swinging direct can not continue to swing to first direction, and record pointer registration is X, valve 7 is allowed to drive swing arm 51 to swing towards the second direction contrary with first direction again, directly cause valve 7 can not continue to swing to second direction, and record pointer registration is Y, gone out the full swing gap of described valve 7 by the mathematic interpolation of X and Y.
In above-mentioned measuring process, because the screw-in length of described bolt 62 in described threaded hole 61 is adjustable, thus the distance that described bolt 62 stretches out described threaded hole 61 can be adjusted, therefore, when the lift variation of valve 7 to be measured, the screw-in length of described bolt 62 can be adjusted according to the different lifts of different air valve 7, such as, when needing the swing gap measuring the larger valve 7 of lift, the screw-in length of bolt 62 is needed to increase, also namely, described bolt 62 is stretched out described threaded hole 61 one end to turn down at a distance of the distance of the first framework 1; When needing the swing gap measuring the less valve of lift, need the screw-in length of bolt 62 to reduce, also, described bolt 62 being stretched out described threaded hole 61 one end at a distance of the distance of the first framework 1 tunes up; After so adjusting, make the measurement mechanism of the present embodiment go for the measurement in the swing gap of different air valve, applicability strengthens, and because applicability strengthens, its measuring accuracy is also improved thereupon; Further, because the relative position of positioning component 3 by the first framework 1, second framework 2 and cylinder cap 4 is located, thus only adjust this variable of adjustment component 6, just can meet the measurement needs of different air valve, therefore, measuring process is very easy.
In order to the measuring principle that the measurement mechanism of the present embodiment can be measured the swing gap of the valve of different lift is described more clearly, be described below in conjunction with Fig. 6: H1-valve slotted line; H2-cylinder cap slotted line; H3-valve top end face tangent line; H4-bolt is outer tangentially; The design definite value of L-measurement mechanism; A-valve length; B-bolt screw-in length; C-valve stroke.
As shown in Figure 6, the distance between A=H3 and H1; Distance between B=H3 and H4; Distance between C=H1 and H2, the distance between L=H2 and H4, L=A+B-C, when designing, as required the value of L is set as definite value, by adjusting the value of B, i.e. adjustable C, also, namely, when measurement has the valve of different lift C, the value adjusting B is only needed.
embodiment 2
The present embodiment provides a kind of measurement mechanism of valve full swing gap, it is the distortion on embodiment 1 basis, in the present embodiment, the structure of described adjustment component 6 is different from embodiment 1, particularly, described adjustment component 6 comprises the spacing hole 61 be arranged on described second framework 2, the body of rod 62 in described spacing hole 61 can be screwed in, and by screw assembly that the described body of rod 62 and described spacing hole are positioned together, described screw assembly comprises the multiple screws on the sidewall being arranged on described second framework 2 and the described body of rod 62, and insert in described screw with the screw that the body of rod 62 and the second framework 2 are positioned together or bolt.When needing to adjust the screw-in length of the described body of rod 62 in described spacing hole 61, screw or bolt are inserted in different screws and coordinates with it, and then can to the top end face 71 of the valve 7 of different lift carry out against, to carry out the measurement in the full swing gap of different air valve 7.
embodiment 3
The present embodiment provides a kind of measurement mechanism of valve full swing gap, it is the distortion on embodiment 1 basis, in the present embodiment, the structure of described adjustment component 6 is different from embodiment 1, particularly, adjustment component 6 is extension type sleeve pipe, described extension type sleeve pipe comprises the outer tube be positioned on described second framework 2, be socketed in the interior pipe in described outer tube, described interior pipe and described outer tube clearance fit, thus axially can adjust described interior pipe and stretch into or stretch out the length of described outer tube, and then can to the top end face 71 of the valve 7 of different lift carry out against, to carry out the measurement in the full swing gap of different air valve 7.
embodiment 4
The present embodiment provides a kind of measurement mechanism of valve full swing gap, and it is the distortion on embodiment 1 or 2 or 3 basis, in the present embodiment, the set-up mode of measurement components 5 and embodiment 1,2,3 different.
In order to carry out the measurement in the swing gap of multiple valve simultaneously, as shown in Figure 5, described measurement components 5 is set to two groups, often organizes described measurement components 5 and is supported by two described support bars 12 respectively, and swing arm 51 opposite tilt of measurement components 5 described in two groups is arranged.
Certainly, as the distortion of the quantity of measurement components 5, described measurement components 5 can also be set to more groups as required, such as 5,6,7,8 groups etc., described measurement components 5 is arranged on described support bar 12, to measure the multiple valves 7 on same cylinder cap along the length direction of fixed bar 11; Or described measurement components 5 also can arrange along the length direction of support bar 12, to measure the multiple valves on different cylinder cap simultaneously.Correspondingly, described adjustment component 6 is many groups, and the described adjustment component 6 of many groups is linearly type arrangement on described second framework 2.
As the distortion of measurement components 5 structure, gauge stand 52 can be omitted, and meter 53 is directly slidably arranged on described support bar 12.
embodiment 5
The present embodiment provides a kind of valve to swing the measuring method in gap, adopts the measurement mechanism according to any one of embodiment 1-5, comprises the steps:
A. the first framework 1 and the second framework 2 are arranged on be oppositely arranged two surfaces of cylinder cap 4, and make the end face of cylinder cap 4 towards the second framework 2, limited the relative position of three by positioning component 3;
B. adjustment is positioned at the position of the measurement components on the first framework 1, makes the taper bottom surface 72 of the corresponding valve 7 of measurement components 5, and makes swing arm 51 be resisted against the lateral margin place of the taper bottom surface 72 of valve 7;
C. adjustment is positioned at the height of the adjustment component 6 on the second framework 2, makes adjustment component 6 be resisted against on the top end face 71 of described valve 7;
D. first allow valve 7 drive swing arm 51 to cause valve 7 towards first direction swinging direct can not continue to swing to first direction, and record pointer registration is X, valve 7 is allowed to drive swing arm 51 to swing towards the second direction contrary with first direction again, directly cause valve 7 can not continue to swing to second direction, and record pointer registration is Y, gone out the full swing gap of described valve by the mathematic interpolation of X and Y.
It should be noted that, in the present embodiment, A, B, C, D carry out successively according to sequencing.
Implement the distortion of sequencing as A, B, C, D, when ensureing that D step is finally carried out, in the present embodiment, A, B, step C can adjust order, and such as, C is before B, or B is before A etc.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. valve swings the measurement mechanism in gap, it is characterized in that: the first framework (1) and the second framework (2) that comprise split setting, and the positioning component (3) for positioning described first framework (1) and described second framework (2); Described first framework (1) is provided with moveable measurement components (5), and described measurement components (5) has the swing arm (51) that can pointer be driven under external force to walk about; Described second framework (2) is provided with adjustment component (6), and the distance that described adjustment component (6) is constructed at a distance of described first framework (1) is adjustable with the lift being used for changing valve to be measured.
2. valve according to claim 1 swings the measurement mechanism in gap, it is characterized in that: described adjustment component (6) comprises at least one spacing hole (61) be arranged on described second framework (2), stretch into described spacing hole (61) from one end in and stretch out the body of rod (62) of described spacing hole (61) from the other end, and the described body of rod (62) is positioned at the fixation kit of extended position.
3. valve according to claim 2 swings the measurement mechanism in gap, it is characterized in that: described fixation kit comprises the internal thread be arranged in described spacing hole (61), and be arranged on the upper external thread with described screw-internal thread fit of the described body of rod (62), described externally threaded revolve that journey is greater than described internal thread revolve journey.
4. valve according to claim 3 swings the measurement mechanism in gap, it is characterized in that: the described body of rod (62) is provided with the marking line that the described body of rod of mark (62) screws in described spacing hole (61) the interior degree of depth.
5. the valve according to any one of claim 2-4 swings the measurement mechanism in gap, it is characterized in that: the framework that described second framework (2) is middle part hollow out, described second framework (2) is provided with supporting leg (21), the bottom surface that described supporting leg (21) supports described second framework (2) makes described bottom surface have certain ground clearance of machine, and the described body of rod (62) enters described spacing hole (61) from described ground clearance of machine sidespin.
6. the valve according to any one of claim 2-5 swings the measurement mechanism in gap, it is characterized in that: described spacing hole (61) is arranged in described second framework (2) surface thereof, and/or described swing arm (51) is arranged in described first framework (1) surface thereof.
7. according to any one of claim 1-6, valve swings the measurement mechanism in gap, it is characterized in that: described adjustment component (6) is many groups, and the described adjustment component of many groups (6) are linearly type arrangement on described second framework (2).
8. the valve according to any one of claim 1-7 swings the measurement mechanism in gap, it is characterized in that: described first framework (1) comprises two fixed bars (11) arranged in a distance and at least one the support bar/back-up block (12) be fixedly connected between two described fixed bars (11), and described measurement components (5) is slidably arranged on described support bar/back-up block (12).
9. the valve according to any one of claim 1-8 swings the measurement mechanism in gap, it is characterized in that: described positioning component (3) comprises the first threaded hole (31) be arranged on described first framework (1), corresponding described first threaded hole (31) is arranged on the second threaded hole (32) on described second framework (2), and screw in described first threaded hole (31) and the second threaded hole (32) and the bolt/screw rod (33) of described first framework (1) and the second framework (2) being located by thread fiting mode.
10. valve swings the measuring method in gap, it is characterized in that: adopt the measurement mechanism according to any one of claim 1-9, comprise the steps:
First framework (1) and the second framework (2) are arranged on be oppositely arranged two surfaces of cylinder cap, and make the end face of cylinder cap towards the second framework (2), limited the relative position of three by positioning component (3);
Adjustment is positioned at the position of the measurement components on the first framework (1), makes the taper bottom surface of measurement components (5) corresponding valve, and makes swing arm (51) be resisted against the lateral margin place of the taper bottom surface of valve;
Adjustment is positioned at the height of the adjustment component on the second framework (2), makes described adjustment component be required separation distance at a distance of the distance of the first framework (1), and makes adjustment component be resisted against on the top end face of described valve;
First allow valve drive swing arm (51) to cause valve towards first direction swinging direct can not continue to swing to first direction, and record pointer registration is X, valve is allowed to drive swing arm (51) to swing towards the second direction contrary with first direction again, directly cause valve can not continue to swing to second direction, and record pointer registration is Y, gone out the full swing gap of described valve by the mathematic interpolation of X and Y record.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410781444.3A CN104848824B (en) | 2014-12-17 | 2014-12-17 | A kind of valve swings the measurement apparatus and measuring method in gap |
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| CN201410781444.3A CN104848824B (en) | 2014-12-17 | 2014-12-17 | A kind of valve swings the measurement apparatus and measuring method in gap |
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| CN104848824A true CN104848824A (en) | 2015-08-19 |
| CN104848824B CN104848824B (en) | 2017-12-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| 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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|---|---|
| CN104848824B (en) | 2017-12-08 |
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