CN203908449U - Bending verifying apparatus for valve rod - Google Patents
Bending verifying apparatus for valve rod Download PDFInfo
- Publication number
- CN203908449U CN203908449U CN201420348157.9U CN201420348157U CN203908449U CN 203908449 U CN203908449 U CN 203908449U CN 201420348157 U CN201420348157 U CN 201420348157U CN 203908449 U CN203908449 U CN 203908449U
- Authority
- CN
- China
- Prior art keywords
- valve stem
- valve
- rotating shaft
- valve rod
- electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 title abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- CBVWMGCJNPPAAR-HJWRWDBZSA-N (nz)-n-(5-methylheptan-3-ylidene)hydroxylamine Chemical compound CCC(C)C\C(CC)=N/O CBVWMGCJNPPAAR-HJWRWDBZSA-N 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model belongs to the field of a metering device which is characterized by adopting a mechanical means, and more specifically relates to a bending verifying apparatus for a valve rod. The bending verifying apparatus comprises a working bench, wherein the working bench is provided with a supporting base, detection mechanisms and a rotary mechanism. The supporting base is provided with a V-shaped card slot, and supports the valve rod in a matching way. The detection mechanism comprises a support, a telescoping rod and a dial indicator fixedly arranged on one end of the telescoping rod. The support is fixedly arranged on the working bench. The telescoping rod is in a sliding connection with the support. Two detections are arranged on the working bench, wherein a testing head of the dial indicator of one detection mechanism is abutted with the surface of the valve rod, and the dial indicator of the other detection mechanism is abutted with the surface of a valve collar. The rotary mechanism comprises a supporting bench, an electromagnet and a rotating shaft. The supporting bench is arranged on the outside of the supporting base. The rotating shaft is in a rotary connection with the supporting bench, and the rotating shaft and the valve rod arranged on the supporting bench are coaxial. The electromagnet is connected with an end part near one side of the valve rod. The bending verifying apparatus for the valve rod provided by the utility model can fast detect whether the valve rod is qualified.
Description
Technical field
It is the metering outfit field of feature that the utility model belongs to adopt mechanical means, is specifically related to the crooked verifying attachment of a kind of valve stem.
Background technology
The bar portion of valve is the significant points of valve, it and valve guide bushing form friction pair, can not get under good lubricating condition, bearing the thousands of inferior frictions repeatedly of per minute, its working condition is extremely severe, according to the work characteristics of engine valve stem, during design, its precision, surface quality have all been proposed to high requirement.
Except the dimensional accuracy of valve shank diameter, in standard GB/T 2784-81, stipulate: the circularity of valve stem, linearity and cylindricity are less than 0.01mm, surfaceness is not less than Ra0.63, some at a high speed, the bar portion circularity of large load engine valve requires in 0.005 mm, and surfaceness is not less than Ra0.4.In addition, valve stem be again in valve machining often as clamping, location radial reference surface, its precision state directly has influence on the machining precision at other positions.Processing dish portion cylindrical for example, end face, the locked groove of the conical surface and rod end, rod end surface all needs to make radial reference with valve stem.Therefore must think better of the machining accuracy of engine valve stem.
Valve stem permissible accuracy is very high, and the bending of permission is little, in prior art, to the curved detection of valve stem, will reach accuracy requirement, needs to arrange accurate instrument, and detecting step is complicated, and cost is higher.
Utility model content
The defect existing for above-mentioned prior art, whether the purpose of this utility model is to provide a kind of energy fast detecting valve stem qualified, and the crooked verifying attachment of lower-cost valve stem.
For achieving the above object, the technical solution of the utility model is: the crooked verifying attachment of valve stem, comprise worktable, and wherein, described worktable is provided with supporting base, testing agency and rotating mechanism, described supporting base band V-arrangement draw-in groove, and coordinate support valve stem; Described testing agency comprises support, expansion link and is fixed on the dial gauge of expansion link one end, described support is fixedly installed on worktable, expansion link and support are slidably connected, described worktable is provided with Liang Ge testing agency, the gauge head of the dial gauge of one of them testing agency and engine valve stem surface offset, and the gauge head of the dial gauge of another testing agency and Valve Disc surface offset; Described rotating mechanism comprises brace table, electromagnet and rotating shaft, described brace table is positioned at supporting base outside, described rotating shaft and brace table are rotationally connected, and rotating shaft is coaxial with the valve stem being placed on supporting station, and described electromagnet is connected with the roller end near valve stem one side.
While adopting technique scheme, the valve stem of valve is positioned on supporting station, now, valve stem is arranged in V-arrangement draw-in groove, and valve stem away from Valve Disc one end towards electromagnet.The position of adjustable telescopic rod, and calibrate the numerical value of dial gauge, one of them dial gauge and engine valve stem surface offset, and another dial gauge and Valve Disc surface offset.For electromagnet energising, electromagnet adsorbs valve stem, slow circumvolve rotating shaft, the electromagnet being fixedly connected with rotating shaft one end rotates thereupon, the valve being now adsorbed also rotates with electromagnet, observe the numerical value of beating of the measuring head of two dial gauges, thereby judge that whether the bending of engine valve stem is qualified, whether Valve Disc run-out tolerance is qualified.The utility model is by rotary valve, and the reading of observing dial gauge changes, and just in allowed limits whether energy fast detecting air outlet valve rod bending degree; In addition, of the present utility model simple in structure, cost is lower.
Further, described rotating shaft is provided with dwang away from valve stem one end, and described dwang is provided with handler, by dwang and handler rotating shaft, can make operation more laborsaving.
Further, described supporting station lower end is provided with lifting pedestal, and for the valve of different size, after being placed on V-arrangement draw-in groove, valve stem centre-height changes, and lifting pedestal is convenient to regulate the height of supporting station, to regulate the height of valve stem.
Further, described electromagnet is provided with positioning table near the end face of valve end, and positioning table can be located the valve stem position of valve to be measured rapidly, and in testing process, valve stem will rotate, and valve stem is inserted on positioning table, so there will not be, departs from.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the crooked verifying attachment embodiment of the utility model valve stem.
Embodiment
As shown in Figure 1, the crooked verifying attachment of a kind of valve stem, comprises worktable, and wherein, worktable is provided with supporting base, testing agency and rotating mechanism, supporting base band V-arrangement draw-in groove, and coordinate support valve stem; Testing agency comprises support, expansion link and is fixed on the dial gauge of expansion link one end, support is fixedly installed on worktable, expansion link and support are slidably connected, support is provided with the sliding eye that coordinates expansion link, and the lock-screw of locking expansion link, worktable is provided with Liang Ge testing agency, and the gauge head of the dial gauge of one of them testing agency and engine valve stem surface offset, and the gauge head of the dial gauge of another testing agency and Valve Disc surface offset; Rotating mechanism comprises brace table, electromagnet and rotating shaft, brace table is positioned at supporting base outside, rotating shaft is rotationally connected by bearing and brace table, and rotating shaft is coaxial with the valve stem being placed on supporting station, and electromagnet is fixedly connected with the roller end near valve stem one side.
In the present embodiment, rotating shaft is provided with dwang away from valve stem one end, and dwang is provided with handler, by dwang and handler rotating shaft, can make operation more laborsaving.
Further, supporting station lower end is provided with lifting pedestal, and for the valve of different size, after being placed on V-arrangement draw-in groove, valve stem centre-height changes, and lifting pedestal is convenient to regulate the height of supporting station, to regulate the height of valve stem.
Further, electromagnet is provided with positioning table near the end face of valve end, and positioning table can be located the valve stem position of valve to be measured rapidly, and in testing process, valve stem will rotate, and valve stem is inserted on positioning table, so there will not be, departs from.
The concrete flow process of using:
As shown in Figure 1, the valve stem of valve is positioned on supporting station, now, valve stem is arranged in V-arrangement draw-in groove, and valve stem away from Valve Disc one end towards electromagnet, and coordinate with the positioning table of corresponding size.By bolt adjustable telescopic rod, to the position of measuring, calibrate the numerical value of dial gauge, one of them dial gauge and engine valve stem surface offset, and another dial gauge and Valve Disc surface offset.For electromagnet energising, electromagnet is adsorbed in valve stem on positioning table, slow circumvolve rotating shaft, the electromagnet being fixedly connected with rotating shaft one end rotates thereupon, the valve being now adsorbed also rotates with electromagnet, observe the numerical value of beating of the measuring head of two dial gauges, when the dial gauge offseting with engine valve stem is beated and is greater than 0.03mm, thereby the bending of judgement engine valve stem exceeds the scope of permission, valve is defective, when the dial gauge offseting with Valve Disc is beated and is greater than 0.05mm, Valve Disc run-out tolerance exceeds the scope of permission, and valve is defective.
Above-described is only preferred implementation of the present utility model; should be understood that; for a person skilled in the art; do not departing under the prerequisite of the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not affect effect and practical applicability that the utility model is implemented.
Claims (4)
1. the crooked verifying attachment of valve stem, comprises worktable, it is characterized in that, described worktable is provided with supporting base, testing agency and rotating mechanism, described supporting base band V-arrangement draw-in groove, and coordinate support valve stem; Described testing agency comprises support, expansion link and is fixed on the dial gauge of expansion link one end, described support is fixedly installed on worktable, expansion link and support are slidably connected, described worktable is provided with Liang Ge testing agency, the gauge head of the dial gauge of one of them testing agency and engine valve stem surface offset, and the gauge head of the dial gauge of another testing agency and Valve Disc surface offset; Described rotating mechanism comprises brace table, electromagnet and rotating shaft, described brace table is positioned at supporting base outside, described rotating shaft and brace table are rotationally connected, and rotating shaft is coaxial with the valve stem being placed on supporting station, and described electromagnet is connected with the roller end near valve stem one side.
2. the crooked verifying attachment of valve stem according to claim 1, is characterized in that, described rotating shaft is provided with dwang away from valve stem one end, and described dwang is provided with handler.
3. the crooked verifying attachment of valve stem according to claim 1, is characterized in that, described supporting station lower end is provided with lifting pedestal.
4. the crooked verifying attachment of valve stem according to claim 1, is characterized in that, described electromagnet is provided with positioning table near the end face of valve end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348157.9U CN203908449U (en) | 2014-06-27 | 2014-06-27 | Bending verifying apparatus for valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348157.9U CN203908449U (en) | 2014-06-27 | 2014-06-27 | Bending verifying apparatus for valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908449U true CN203908449U (en) | 2014-10-29 |
Family
ID=51782713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420348157.9U Expired - Fee Related CN203908449U (en) | 2014-06-27 | 2014-06-27 | Bending verifying apparatus for valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908449U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931852A (en) * | 2017-05-20 | 2017-07-07 | 长江师范学院 | A kind of method for realizing engine valve stem positioning and run-out tolerance detection |
| CN107388943A (en) * | 2017-07-14 | 2017-11-24 | 长江师范学院 | A kind of engine valve stem detection method |
| CN107514987A (en) * | 2017-08-10 | 2017-12-26 | 安徽沃德气门制造有限公司 | A kind of valve curved detection repairs integrated device |
| CN107514969A (en) * | 2017-08-10 | 2017-12-26 | 安徽沃德气门制造有限公司 | A kind of valve outer surface detection means to the automatic mark of problem areas |
| CN110044231A (en) * | 2019-06-03 | 2019-07-23 | 湖南安福气门有限公司 | A kind of valve-face jack value measuring device |
| CN114111502A (en) * | 2021-12-27 | 2022-03-01 | 江苏鑫悦汽车零部件有限公司 | A diversified check out test set for engine valve pole |
-
2014
- 2014-06-27 CN CN201420348157.9U patent/CN203908449U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931852A (en) * | 2017-05-20 | 2017-07-07 | 长江师范学院 | A kind of method for realizing engine valve stem positioning and run-out tolerance detection |
| CN107388943A (en) * | 2017-07-14 | 2017-11-24 | 长江师范学院 | A kind of engine valve stem detection method |
| CN107388943B (en) * | 2017-07-14 | 2019-04-23 | 长江师范学院 | A kind of engine valve stem detection method |
| CN107514987A (en) * | 2017-08-10 | 2017-12-26 | 安徽沃德气门制造有限公司 | A kind of valve curved detection repairs integrated device |
| CN107514969A (en) * | 2017-08-10 | 2017-12-26 | 安徽沃德气门制造有限公司 | A kind of valve outer surface detection means to the automatic mark of problem areas |
| CN110044231A (en) * | 2019-06-03 | 2019-07-23 | 湖南安福气门有限公司 | A kind of valve-face jack value measuring device |
| CN114111502A (en) * | 2021-12-27 | 2022-03-01 | 江苏鑫悦汽车零部件有限公司 | A diversified check out test set for engine valve pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |