CN105180760A - Detection device for inlet valve - Google Patents
Detection device for inlet valve Download PDFInfo
- Publication number
- CN105180760A CN105180760A CN201510670742.XA CN201510670742A CN105180760A CN 105180760 A CN105180760 A CN 105180760A CN 201510670742 A CN201510670742 A CN 201510670742A CN 105180760 A CN105180760 A CN 105180760A
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- unit
- pick
- inlet valve
- measuring unit
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- Indication Of The Valve Opening Or Closing Status (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a detection device for an inlet valve, and the device comprises a reference plane; a correcting part which is fixed on the reference plane and comprises a disc part and a rod part, wherein the bottom surface of the disc part contacts with the reference plane, the central part of the disc part is provided with a standard section, and an axis distance between the reference plane and the standard section is a standard value; a measuring assembly which comprises a measurement shaft, wherein the center of the measurement shaft is provided with a disc part storage groove and an air valve storage hole from the bottom to the top, and the diameter of the disc part storage groove is the same as the diameter of the standard section; a measuring sleeve, wherein the center of the measuring sleeve is provided with a measurement shaft storage hole; and a dial indicator, wherein a measurement rod is fixed on the measuring sleeve, and a measuring head abuts against with the top surface of the measurement shaft. The device takes an end face of an air valve disc of the air valve as the detection reference plane, avoids a measurement error caused by the dot-shaped measuring head, guarantees the detection accuracy, is good in repeatability, and is quick and convenient in detection.
Description
Technical field
The present invention relates to mechanical field, particularly a kind of pick-up unit of inlet valve.
Background technology
The conical surface gauge cross section of valve retainer generally adopts the cooperation of general three coordinate machines or appliance special for detecting and dial gauge to measure to the detection of the fore-and-aft distance of dish end face.The Measuring Time of these two kinds of methods is longer, and adopts point-like gauge head, and gauge head is connected on certain point of the end face of valve retainer, and because the end face diameter of valve retainer is comparatively large, on end face, the otherness of each point makes the accuracy of measurement lower.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of pick-up unit of inlet valve, thus overcome the defect that in prior art, the accuracy in detection of inlet valve is low.
For achieving the above object, the invention provides a kind of pick-up unit of inlet valve, inlet valve comprises valve retainer and valve stem, and the axial distance between the conical surface gauge cross section of valve retainer and the end face of valve retainer is standard value, and pick-up unit comprises: reference field; Check and correction part, check and correction part is fixed on reference field; Check and correction part comprises dish portion and bar portion from bottom to top, and the bottom surface in dish portion contacts with reference field, and the diameter in dish portion from bottom to top diminishes successively, and the middle part in dish portion is provided with standard section, and the axial line distance between reference field and standard section is standard value; Measurement components, measurement components comprises: measure axle, and the center measuring axle is from bottom to top provided with dish portion storage tank and valve stem containing hole, and the diameter of dish portion storage tank is identical with the diameter of standard section, and the end face measuring axle is closed; Measuring unit, the center of measuring unit is provided with measures axle containing hole; And dial gauge, the gauge rod of dial gauge is fixed on measuring unit, and the gauge head of dial gauge abuts with the end face measuring axle; Wherein, under check and correction state, check and correction part inserts to be measured in axle, and the lower surface of dish portion storage tank abuts with standard section, and the bottom surface of measuring unit abuts with reference field; Under measuring state, inlet valve inserts to be measured in axle, and the lower surface of dish portion storage tank abuts with the conical surface gauge cross section of inlet valve, and the bottom surface of measuring unit abuts with reference field.
Preferably, in technique scheme, the top measuring axle is provided with the first breach of the axis through with valve stem containing hole, position corresponding with the first breach on measuring unit is provided with the second breach of the axis through with measuring axle containing hole, the sustained height place of the both sides at the middle part of the second breach is respectively equipped with the first pin-and-hole, and the sustained height place of the both sides of the below of the first pin-and-hole is respectively equipped with the first stopper slot; Pick-up unit also comprises depression bar, the middle part of depression bar is provided with the second pin-and-hole, depression bar is arranged on measuring unit by rotating through the straight pin of the first pin-and-hole and the second pin-and-hole, the top of depression bar is provided with radial pressure head, the bottom of depression bar is provided with the second stopper slot, and depression bar is spacing in the second breach by the limited block be arranged in the first stopper slot and the second stopper slot; Pick-up unit also comprises sheet spring, and sheet spring comprises straight plate section and bent plate section, and straight plate section is fixed on the top of the second breach on measuring unit; Under installment state, bent plate section is connected to the top of pressing plate, and pressure head is stretched in the first breach.
Preferably, in technique scheme, on measuring unit, the lower end of the second breach is provided with by indent, and the lower end of depression bar is positioned at pressing groove.
Preferably, in technique scheme, measure axle and be provided with the 3rd axial stopper slot, measuring unit is provided with stop screw hole, and stop screw is through stop screw hole, and the end of stop screw is positioned at the 3rd stopper slot.
Preferably, in technique scheme, the external cylindrical surface measuring the upper end of axle is provided with step surface, and the end face measuring axle containing hole is provided with spring retention groove; Pick-up unit also comprises spring, and spring fitting is between step surface and spring retention groove.
Preferably, in technique scheme, pick-up unit also comprises tight cap, and the end face measuring axle containing hole measurement cover extends to bottom surface, and tight cap is fixed on the end face of measuring unit; Spring retention groove is arranged on the lower end of tight cap, and the center of tight cap is provided with the center pit of the gauge rod installing dial gauge; The sidewall of tight cap is provided with locking screw nail.
Preferably, in technique scheme, the end face of valve stem containing hole measurement axle extends to dish portion storage tank; Pick-up unit also comprises cover plate, and cover plate is fixed on the top measuring axle; Under installment state, the gauge head of dial gauge abuts with the end face of cover plate.
Preferably, in technique scheme, check and correction part also comprises pedestal, and pedestal is arranged on below dish portion, and the bottom surface of pedestal contacts with reference field; Under check and correction state, check and correction part inserts to be measured in axle, and the lower surface of dish portion storage tank abuts with standard section, and the bottom surface of measuring unit abuts with the end face of pedestal.
Preferably, in technique scheme, the length in bar portion is less than the length of the valve stem of inlet valve, and the diameter in bar portion is greater than the diameter of valve stem, and the lower end of valve stem containing hole is provided with bar portion containing hole.
Preferably, in technique scheme, between the gauge rod of dial gauge and center pit, be provided with lining.
Compared with prior art, the present invention has following beneficial effect:
This pick-up unit is with the end face of the valve retainer of inlet valve for detection reference face, and the measuring error avoiding point-like gauge head to cause, ensure that the accuracy of detection, reproducible, and detects quick and convenient.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the pick-up unit according to inlet valve of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the assembly drawing according to check and correction assembly of the present invention and measurement components.
Fig. 4 is the phantom view of Fig. 3.
Fig. 5 is the front view according to measurement components of the present invention.
Fig. 6 is the A-A view of Fig. 5.
Fig. 7 is the B-B view of Fig. 5.
Fig. 8 is the C-C view of Fig. 5.
Fig. 9 is the D-D view of Fig. 5.
Figure 10 is the stereographic map according to measuring unit of the present invention.
Figure 11 is the front view according to measuring unit of the present invention.
Figure 12 is the A-A view of Figure 11.
Figure 13 is the C-C view of Figure 12.
Figure 14 is the D-D view of Figure 12.
Figure 15 is the stereographic map according to measurement axle of the present invention.
Figure 16 is the front view according to measurement axle of the present invention.
Figure 17 is the A-A view of Figure 16.
Figure 18 is the stereographic map according to of the present invention spring.
Figure 19 is the stereographic map according to depression bar of the present invention.
Figure 20 is the stereographic map according to tight cap of the present invention.
Figure 21 is the cut-open view according to tight cap of the present invention.
Figure 22 is the stereographic map according to limited block of the present invention.
Figure 23 is the stereographic map according to cover plate of the present invention.
Figure 24 is the stereographic map according to check and correction assembly of the present invention.
Figure 25 is the front view according to check and correction part of the present invention.
Main Reference Numerals illustrates:
1-measuring unit, 2-measures axle, 3-inlet valve, and 4-proofreads part, 5-base, 6-dial gauge, 7-depression bar, 8-sheet spring, 9-spring, the tight cap of 10-.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole instructions and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
As shown in Figure 2, inlet valve comprises valve retainer and valve stem, and the axial distance between the conical surface gauge cross section 31 of valve retainer and the end face 32 of valve retainer is standard value H0.
As shown in Fig. 1 to 2, comprise check and correction assembly, measurement components and dial gauge according to the pick-up unit of the inlet valve of the specific embodiment of the invention.As shown in figure 24, proofread assembly and comprise check and correction part 4, base 5 and protective pad.As shown in Figure 6, measurement components comprises measuring unit 1, measurement axle 2, depression bar 7, sheet spring 8, spring 9 and tight cap 10.
As seen in figs. 15-17, measure axle 1 and comprise bottom and top, the center of bottom is provided with dish portion storage tank 21, and the diameter of dish portion storage tank 21 is identical with the diameter in conical surface gauge cross section 31.The center on top is provided with valve stem containing hole, and valve stem containing hole is up-small and down-big stepped hole, and the hole that diameter is larger is bar portion containing hole 22.The external cylindrical surface of upper end measuring axle 1 is provided with step surface, and the shaft part above step surface forms spring fitting shaft part 25, measure axle 1 top be provided with the first breach 26 of the axis through with valve stem containing hole.The middle part measuring axle 1 is provided with the 3rd stopper slot 24.
As shown in figure 23, cover plate 27 is arranged with four screw via holes.As shown in Figures 6 and 7, cover plate 27 is fixed by screws on the end face of measurement axle 2.
As shown in figures 10-14, measuring unit 1 comprises bottom and top.The center of bottom is provided with measures axle containing hole, and the diameter measuring the bottom of axle containing hole is greater than the diameter on top, and bottom 11 is for the bottom of accommodating measurement axle 2, and top 12 is for the top of accommodating measurement axle.As shown in Figure 6, position corresponding with the first breach 26 on measuring unit 1 is provided with the second breach 19 of the axis through with measuring axle containing hole, the sustained height place of the both sides at the middle part of the second breach 19 is respectively equipped with the first pin-and-hole 14, the sustained height place of the both sides of the below of the first pin-and-hole 14 is respectively equipped with the first stopper slot 13, the lower end of the second breach 19 is provided with first by indent 18, the first width being greater than other positions of the second breach 19 by the width of indent 18.On measuring unit 1, the top of the second breach 19 is provided with two the first screw holes 15.The middle part of measuring unit 1 is provided with stop screw hole 16.The end face of measuring unit 1 is arranged with multiple second screw hole 17.
As shown in figure 19, the middle part of depression bar 7 is provided with the second pin-and-hole 72, and as shown in Figure 6 and 9, depression bar 7 is arranged on measuring unit 1 by rotating through the straight pin 111 of the first pin-and-hole 14 and the second pin-and-hole 72.The top of depression bar 7 is provided with radial pressure head 71, and the bottom of depression bar 7 is provided with the second stopper slot 73.The lower end of depression bar 7 is provided with second of arc by indent 74, and the shape of the finger abdomen of its shape and finger is close, enhances comfort level during pressing.As shown in figure 22, the two ends of limited block 110 are arranged with screw via hole.As seen in figs. 6 and 8, limited block 110 is contained in the first stopper slot 13 and the second stopper slot 73, and is fixed by screws on measuring unit 1, for by spacing for depression bar 7 in the second breach 19.
As shown in figure 18, sheet spring 8 comprises straight plate section 81 and bent plate section 82, and straight plate section 81 is provided with two screw via holes.As illustrated in Figures 5 and 6, straight plate section 81 is fixed on measuring unit 1 by the screw be arranged in the first screw hole 15.
As shown in figures 20-21, the center of tight cap 10 is from bottom to top provided with spring retention groove 101 and center pit 102, and the diameter of spring retention groove 101 is greater than the diameter of center pit 102.The sidewall of tight cap 10 is provided with locking screw nail 103.Center pit 102, for installing the gauge rod of dial gauge 10, is provided with lining between the gauge rod of dial gauge 10 and center pit 102.
As illustrated in Figures 5 and 6, under installment state, measure axle 2 and insert in measuring unit 1, the lower end of spring 9 is arranged on the spring fitting shaft part 25 of measurement axle 2, and the upper end of spring 9 is contained in the spring retention groove 101 of tight cap 10.Stop screw is through stop screw hole 16, and the end of stop screw is positioned at the 3rd stopper slot 24.Pressing plate 7 is hinged on measuring unit 1, and the bent plate section 82 of sheet spring 8 is connected to the top of pressing plate 7, and pressure head 71 is stretched in the first breach 19.
As shown in figure 24, check and correction part 4 is fixed on base 5, and other parts of the end face of base 5 form the reference field 51 when detecting.As shown in figure 25, proofread part 4 and from bottom to top comprise pedestal, dish portion and bar portion 43.The top in dish portion is up-small and down-big frusto-conical shape, it is standard section 42 in the middle part of it, the diameter of standard section 42 is identical with the diameter in the conical surface gauge cross section 31 of inlet valve, distance between the bottom surface (i.e. the end face of pedestal) in dish portion and standard section is standard value H0, identical with the axial distance between the conical surface gauge cross section 31 of valve retainer and the end face 32 of valve retainer.The diameter in bar portion 43 is greater than the diameter of the valve stem of inlet valve, and the length in bar portion 43 is less than the height of the bar portion containing hole 22 measuring axle 2.
Under storage configuration, protective pad is installed in the bar portion 43 of check and correction part 4, is then placed on by measurement components on check and correction assembly, and having of protective pad is beneficial to each surface that part is proofreaded in protection.
When using this pick-up unit to measure, comprise the steps:
1) assembly (after taking off protective pad) will be proofreaded and measurement components is placed on measuring table, and with the clean each working surface of cotton wiped clean and the lower surface of dish portion storage tank 21 measuring axle.
2) measurement components is placed on check and correction assembly, check and correction part 4 is inserted and measures in axle 2, the lower surface of dish portion storage tank 21 abuts with the standard section 42 of check and correction part, the bottom surface of measuring unit 1 abuts with the end face of the pedestal of check and correction part 4, guarantee that the distance between the lower surface of dish portion storage tank 21 and the end face of pedestal is standard value H0, as shown in Figures 3 and 4.Then by dial gauge zero setting position.
3) measurement components is taken off, the lower end of the depression bar 7 in indent 18 is pressed with first of thumb press measuring unit 1, pressure head 71 is spun out from the first breach 19, then tested inlet valve 3 is inserted in the measurement axle 2 of measurement components, then depression bar 7 is unclamped, make pressure head 71 be pressed on the outer circumference surface of tested inlet valve 3, place inlet valve and come off from measurement components.
4) being pressed on by the measurement components with tested inlet valve 3 (now can by moulded rod 7 on the reference field 51 of base 5, pressure head 71 is made to depart from inlet valve), the bottom surface of measuring unit 1 is abutted with the reference field 51 of base 5, the conical surface gauge cross section of tested inlet valve 3 just can be read to the dish fore-and-aft distance of end face and the deviation of standard value H0, as illustrated in fig. 1 and 2 from the index (i.e. the lattice number of needle deflection zero-bit) of dial gauge.
5) by the lower end of moulded rod 7, tested inlet valve 3 is taken out from measurement components.
6) each working surface all oils, and measurement components is inserted check and correction assembly on deposit and preserve.
This pick-up unit is with the end face of the valve retainer of inlet valve for detection reference face, and the measuring error avoiding point-like gauge head to cause, ensure that the accuracy of detection, reproducible, and detects quick and convenient.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (10)
1. a pick-up unit for inlet valve, described inlet valve comprises valve retainer and valve stem, and the axial distance between the conical surface gauge cross section of described valve retainer and the end face of described valve retainer is standard value, it is characterized in that, described pick-up unit comprises:
Reference field;
Check and correction part, described check and correction part is fixed on described reference field; Described check and correction part comprises dish portion and bar portion from bottom to top, the bottom surface in described dish portion contacts with described reference field, the diameter in described dish portion from bottom to top diminishes successively, and the middle part in described dish portion is provided with standard section, and the axial line distance between described reference field and described standard section is standard value;
Measurement components, described measurement components comprises:
Measure axle, the center of described measurement axle is from bottom to top provided with dish portion storage tank and valve stem containing hole, and the diameter of described dish portion storage tank is identical with the diameter of described standard section, and the end face of described measurement axle is closed;
Measuring unit, the center of described measuring unit is provided with measures axle containing hole; And
Dial gauge, the gauge rod of described dial gauge is fixed on described measuring unit, and the gauge head of described dial gauge abuts with the end face of described measurement axle;
Wherein, under check and correction state, described check and correction part inserts in described measurement axle, and the lower surface of described dish portion storage tank abuts with described standard section, and the bottom surface of described measuring unit abuts with described reference field; Under measuring state, described inlet valve inserts in described measurement axle, and the lower surface of described dish portion storage tank abuts with the conical surface gauge cross section of described inlet valve, and the bottom surface of described measuring unit abuts with described reference field.
2. the pick-up unit of inlet valve according to claim 1, it is characterized in that, the top of described measurement axle is provided with the first breach of the axis through with described valve stem containing hole, position corresponding with described first breach on described measuring unit is provided with the second breach of the axis through with described measurement axle containing hole, the sustained height place of the both sides at the middle part of described second breach is respectively equipped with the first pin-and-hole, and the sustained height place of the both sides of the below of described first pin-and-hole is respectively equipped with the first stopper slot;
Described pick-up unit also comprises depression bar, the middle part of described depression bar is provided with the second pin-and-hole, described depression bar is arranged on described measuring unit by rotating through the straight pin of described first pin-and-hole and described second pin-and-hole, the top of described depression bar is provided with radial pressure head, the bottom of described depression bar is provided with the second stopper slot, and described depression bar is spacing in described second breach by the limited block be arranged in described first stopper slot and described second stopper slot;
Described pick-up unit also comprises sheet spring, and described spring comprises straight plate section and bent plate section, and described straight plate section is fixed on the top of described second breach on described measuring unit; Under installment state, described bent plate section is connected to the top of described pressing plate, and described pressure head is stretched in described first breach.
3. the pick-up unit of inlet valve according to claim 2, is characterized in that, on described measuring unit, the lower end of described second breach is provided with by indent, and the lower end of described depression bar is positioned at described by indent.
4. the pick-up unit of inlet valve according to claim 2, it is characterized in that, described measurement axle is provided with the 3rd axial stopper slot, and described measuring unit is provided with stop screw hole, stop screw is through described stop screw hole, and the end of stop screw is positioned at described 3rd stopper slot.
5. the pick-up unit of inlet valve according to claim 1, is characterized in that, the external cylindrical surface of the upper end of described measurement axle is provided with step surface, and the end face of described measurement axle containing hole is provided with spring retention groove;
Described pick-up unit also comprises spring, and described spring fitting is between described step surface and described spring retention groove.
6. the pick-up unit of inlet valve according to claim 5, is characterized in that, described pick-up unit also comprises tight cap, and described measurement axle containing hole extends to bottom surface from the end face of described measuring unit, and described tight cap is fixed on the end face of described measuring unit; Described spring retention groove is arranged on the lower end of described tight cap, and the center of described tight cap is provided with the center pit of the gauge rod installing described dial gauge; The sidewall of described tight cap is provided with locking screw nail.
7. the pick-up unit of inlet valve according to claim 1, is characterized in that, described valve stem containing hole extends to described dish portion storage tank from the end face of described measurement axle; Described pick-up unit also comprises cover plate, and described cover plate is fixed on the top of described measurement axle; Under installment state, the gauge head of described dial gauge abuts with the end face of described cover plate.
8. the pick-up unit of inlet valve according to claim 1, is characterized in that, described check and correction part also comprises pedestal, and described pedestal is arranged on below described dish portion, and the bottom surface of described pedestal contacts with described reference field; Under check and correction state, described check and correction part inserts in described measurement axle, and the lower surface of described dish portion storage tank abuts with described standard section, and the bottom surface of described measuring unit abuts with the end face of described pedestal.
9. the pick-up unit of inlet valve according to claim 1, it is characterized in that, the length in described bar portion is less than the length of the valve stem of described inlet valve, and the diameter in described bar portion is greater than the diameter of described valve stem, and the lower end of described valve stem containing hole is provided with bar portion containing hole.
10. the pick-up unit of inlet valve according to claim 6, is characterized in that, is provided with lining between the gauge rod of described dial gauge and described center pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670742.XA CN105180760B (en) | 2015-10-15 | 2015-10-15 | The detection device of inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670742.XA CN105180760B (en) | 2015-10-15 | 2015-10-15 | The detection device of inlet valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105180760A true CN105180760A (en) | 2015-12-23 |
| CN105180760B CN105180760B (en) | 2018-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510670742.XA Active CN105180760B (en) | 2015-10-15 | 2015-10-15 | The detection device of inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105180760B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108680082A (en) * | 2018-07-13 | 2018-10-19 | 上海精智实业股份有限公司 | A kind of forging measuring device |
| CN108759629A (en) * | 2018-05-25 | 2018-11-06 | 胡学静 | Engine valve clearance Quick measurement tool and application method |
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| CN104654974A (en) * | 2015-03-09 | 2015-05-27 | 广西玉柴机器股份有限公司 | Measurement gauge for disc cone height of air valve |
| CN205049079U (en) * | 2015-10-15 | 2016-02-24 | 广西玉柴机器股份有限公司 | Detection apparatus for (air) intake valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3633408A (en) * | 1970-09-10 | 1972-01-11 | Us Air Force | Pressurized omnidirectional stress transducers gage system |
| JPH01138401A (en) * | 1987-07-28 | 1989-05-31 | Isuzu Motors Ltd | Jig for port height inspection |
| CN2337522Y (en) * | 1998-09-11 | 1999-09-08 | 刘同州 | Spring air valve clearance measuring instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759629A (en) * | 2018-05-25 | 2018-11-06 | 胡学静 | Engine valve clearance Quick measurement tool and application method |
| CN108759629B (en) * | 2018-05-25 | 2020-10-23 | 永康市小菜丫厨具有限公司 | Engine valve clearance rapid measuring tool and using method |
| CN108680082A (en) * | 2018-07-13 | 2018-10-19 | 上海精智实业股份有限公司 | A kind of forging measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105180760B (en) | 2018-08-31 |
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