CN204043652U - A kind of engine cylinder head conduit hole roundness measurement auxiliary mould - Google Patents
A kind of engine cylinder head conduit hole roundness measurement auxiliary mould Download PDFInfo
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- CN204043652U CN204043652U CN201420481101.0U CN201420481101U CN204043652U CN 204043652 U CN204043652 U CN 204043652U CN 201420481101 U CN201420481101 U CN 201420481101U CN 204043652 U CN204043652 U CN 204043652U
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- auxiliary mould
- cylinder head
- outer tube
- engine cylinder
- measuring staff
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- 238000005259 measurement Methods 0.000 title claims abstract description 27
- 230000004308 accommodation Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a kind of engine cylinder head conduit hole roundness measurement auxiliary mould, for matching with the measuring staff of air-gauge, described auxiliary mould comprises for being set in the neck bush be fixedly connected with on described measuring staff and with measuring staff and the outer tube be set on neck bush, outer tube is provided with the lockable mechanism for making inner sleeve locking, and inner sleeve is axially arranged with multiple lock position along measuring staff.Engine cylinder head conduit hole roundness measurement auxiliary mould of the present utility model, match with the measuring staff of air-gauge, the roundness measurement of engine cylinder head conduit hole can be realized, and can be portalled the numerical value of cylindricity by approximate conversion by the circularity measured value of multi-section, avoid cylinder cap to send between precision measurement and detect the brought detection stand-by period, avoid the high cost bought high precision band and drive automatic partial cross-section Check instrument to spend, thus can detection efficiency be improved, reduce testing cost.
Description
Technical field
The utility model relates to tool fixture, and specifically, the utility model relates to a kind of engine cylinder head conduit hole roundness measurement auxiliary mould.
Background technology
Engine cylinder head conduit hole is as the important component part of engine valve actuating mechanism, and the quality of its crudy directly affects the performance of engine, and wherein the circularity of guide hole and cylindricity are one of its important quality requirementss.Because the degree of depth of guide hole is longer, product, when defining the roundness measurement of guide hole, usually requires detection three cross sections, records the poorest detection data.And the checkout equipment that can meet multi-section measurement circularity at present mainly contains two classes, a class is sent by workpiece between precision measurement to detect by three-dimensional, and the method need be clean by workpiece cleaning, and operating personnel's labour intensity is large, and it is long to detect the stand-by period, affects and produce; Equations of The Second Kind is the online cubing purchasing the measurement of band driving shaft automatic creeping, measures cost high.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of engine cylinder head conduit hole roundness measurement auxiliary mould, and object improves detection efficiency, reduces testing cost.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of engine cylinder head conduit hole roundness measurement auxiliary mould, for matching with the measuring staff of air-gauge, described auxiliary mould comprises for being set in the neck bush be fixedly connected with on described measuring staff and with measuring staff and the outer tube be set on neck bush, outer tube is provided with the lockable mechanism for making inner sleeve locking, and inner sleeve is axially arranged with multiple lock position along measuring staff.
Described outer tube comprise columniform outer tube body and be located at outer tube body outside wall surface on and the projection radially extended, projection and outer tube body are provided with and are connected and accommodation hole for holding described lockable mechanism.
Described accommodation hole is the internal face extending to outer tube body along the radial direction of described outer tube body from the end face of described projection, and the outside wall surface of described neck bush arranges described lock position.
Described lockable mechanism comprises the locating part, Compress Spring and the locking ball that are arranged in described accommodation hole, and Compress Spring is clipped between locating part and locking ball, and the lock position place in the outside wall surface of described neck bush is provided with the locking groove holding locking ball.
Described locating part is insert the bolt be threaded with described projection in described accommodation hole.
Described locking groove is provided with two along the axial of described neck bush in the outside wall surface of neck bush.
Described locking groove is the ring-shaped groove extended along whole circumference in the outside wall surface of described neck bush.
Described neck bush is fixedly connected with described measuring staff by holding screw.
Engine cylinder head conduit hole roundness measurement auxiliary mould of the present utility model, match with the measuring staff of air-gauge, the roundness measurement of engine cylinder head conduit hole can be realized, and can be portalled the numerical value of cylindricity by approximate conversion by the circularity measured value of multi-section, avoid cylinder cap to send between precision measurement and detect the brought detection stand-by period, avoid the high cost bought high precision band and drive automatic partial cross-section Check instrument to spend, thus can detection efficiency be improved, reduce testing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model auxiliary mould;
Fig. 2 is the cut-open view of outer tube;
Fig. 3 is the cut-open view of neck bush;
Fig. 4 is the constitutional diagram of the utility model auxiliary mould when coordinating the first cross section, detected catheter hole with measuring staff;
Fig. 5 is the constitutional diagram of the utility model auxiliary mould when coordinating the second cross section, detected catheter hole with measuring staff;
Fig. 6 is the constitutional diagram of the utility model auxiliary mould when coordinating the 3rd cross section, detected catheter hole with measuring staff;
Mark in above-mentioned figure is:
1, conduit to be measured;
2, measuring staff; 21, holding section; 22, linkage section; 23, gauge head;
3, neck bush; 31, large footpath section; 32, path section; 33, locking groove;
4, outer tube; 41, outer tube body; 42, projection; 43, large hole, footpath; 44, diameter holes;
5, bolt; 6, Compress Spring; 7, locking ball; 8, holding screw.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, be described in further detail embodiment of the present utility model, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present utility model, technical scheme, and contribute to its enforcement.
As shown in Figures 1 to 6, a kind of engine cylinder head conduit hole roundness measurement of the utility model auxiliary mould, for matching with the measuring staff 2 of air-gauge, detect the guide hole circularity of engine cylinder cover, air-gauge is for measuring the common online cubing in aperture in prior art.This auxiliary mould comprises for being set in the neck bush 3 be fixedly connected with on measuring staff 2 and with measuring staff 2 and the outer tube 4 be set on neck bush 3, and outer tube 4 is provided with the lockable mechanism for making inner sleeve locking, and inner sleeve is axially arranged with multiple lock position along measuring staff 2.
Specifically, outer tube 4 is for being supported in the cylinder cap of engine when detecting, and when detecting, cylinder cap seat surface is close in the bottom surface of outer tube 4.As shown in Figure 2, outer tube 4 comprises outer tube body 41 and to be located in the outside wall surface of outer tube body 41 and the projection 42 radially extended, outer tube body 41 is the cylindrical tube of both ends open, inner hollow, projection 42 is also cylindrical, and projection 42 and outer tube body 41 are provided with and are connected and accommodation hole for holding lockable mechanism.
As shown in Figure 3, neck bush 3 be both ends open, inner hollow cylindrical, measuring staff 2 inserts in the endoporus of neck bush 3 and is fixedly connected with neck bush 3.The endoporus of outer tube body 41 is divided into diameter holes 44 and hole, large footpath 43 vertically successively, the aperture of diameter holes 44 is less than the aperture in hole, large footpath 43, corresponding neck bush 3 is divided into path section 32 and large footpath section 31 vertically successively, path section 32 is arranged in diameter holes 44, the external diameter of path section 32 and the internal diameter of diameter holes 44 roughly equal, large footpath section 31 is arranged in hole, large footpath 43, the external diameter of large footpath section 31 and the internal diameter in hole, large footpath 43 roughly equal, and the length of path section 32 is greater than the length of large footpath section 31, thus formed between the inherent diameter holes of outer tube body 41 44 and large hole, footpath 43 spacing step surface is carried out to neck bush 3.
As shown in Figure 2, the position of the projection 42 on outer tube 4 is positioned at the end of outer tube body 41, corresponding with diameter holes 44 position, accommodation hole is the circular hole of the internal face extending to outer tube body 41 along the radial direction of outer tube body 41 from the outer face of projection 42, correspondingly in the outside wall surface of the path section 32 of neck bush 3, arranges lock position.
As preferably, lockable mechanism comprises the locating part, Compress Spring 6 and the locking ball 7 that are arranged in accommodation hole, Compress Spring 6 is clipped between locating part and locking ball 7, and the lock position place in the outside wall surface of the path section 32 of neck bush 3 is provided with the locking groove 33 holding locking ball 7.One end of Compress Spring 6 is against on locating part, and the other end is against on locking ball 7, and all the time to locking ball 7 applied thrust, makes locking ball 7 keep contacting with the outside wall surface of the path section 32 of neck bush 3.When detecting, measuring staff 2 drives neck bush 3 to move, and when embedding when locking ball 7 in the locking groove 33 on neck bush 3, can make neck bush 3 and measuring staff 2 locking location, facilitate measuring staff 2 to measure the aperture of conduit 1 to be measured.
As depicted in figs. 1 and 2, in the present embodiment, locating part is insert the bolt 5 be threaded with projection 42 in accommodation hole, and the corresponding inwall at accommodation hole place is provided with internal thread.
As shown in Figure 3, in the present embodiment, locking groove 33 is provided with two along the axial of neck bush 3 in the outside wall surface of the path section 32 of neck bush 3, and locking groove 33 is the ring-shaped groove extended along whole circumference in the outside wall surface of path section 32.One of them locking groove 33 is roughly positioned at the middle position of path section 32 axis, and another locking groove 33 is positioned at the end of path section 32, adjacent with large footpath section 31.Neck bush 3 arranges two locking grooves 33, matches with lockable mechanism, thus the roundness measurement in three cross sections, cylinder head guide pipe hole can be realized.
As shown in Figure 1, measuring staff 2 can be divided into holding section 21, linkage section 22 and gauge head 23 vertically successively.Gauge head 23 can insert in the hole of conduit 1 to be measured, for the aperture in measuring guide hole.Linkage section 22 for inserting in the endoporus of neck bush 3, and is fixedly connected with neck bush 3.Holding section 21 grips for staff, when detecting, up being carried by measuring staff 2, driving neck bush 3 to move thereupon, detecting successively to the circularity in each cross section of guide hole by gripping holding section 21.
As shown in Figure 1, neck bush 3 is fixedly connected with the linkage section 22 of measuring staff 2 by holding screw 8, correspondingly in the path section 32 of neck bush 3 and the linkage section 22 of measuring staff 2, is provided with the threaded hole allowing holding screw 8 coordinate.
The concrete assemble sequence of this auxiliary mould is:
1st step: neck bush 3 is loaded in outer tube 4;
2nd step: locking ball 7, Compress Spring 6 are loaded in outer tube 4 lateral aperture, and load onto bolt 5;
3rd step: the measuring staff 2 of air-gauge is loaded in neck bush, and locks with trip bolt 8.
Assembly manipulation is simple, and after having assembled, this this auxiliary mould can realize interlocking, and outer tube 4 and neck bush 3 can not come off mutually, are convenient to reuse.
Use this auxiliary detection frock, its concrete method of operating is:
1, employee's left hand holds outer tube 4, outer tube 4 bottom surface and cylinder cap seat surface are close to, measuring staff 2 is pushed into extreme lower position downwards, formed spacing by the step surface on air gauge measuring head 23 and tested conduit end face, ensure that the pore of gauge head 23 is in position, cross section 1, rotate the measuring staff 2 of air-gauge, observe and detect data situation, write down circularities 1; (see Fig. 4)
2, the measuring staff 2 of right hand lift air-gauge, when locking ball 7 falls into first locking groove 33, is formed spacing, ensures that the pore of measuring staff 2 is in position, cross section 2, rotates the measuring staff 2 of air-gauge, observe and detect data situation, write down circularities 2; (see Fig. 5)
3, the right hand continues the measuring staff 2 of lift air-gauge, when steel ball falls into second locking groove 33, is formed spacing, ensures that the pore of measuring staff 2 is in position, cross section 2, rotates the measuring staff 2 of air-gauge, observe and detect data situation, write down circularities 3.(see Fig. 6)
After the circularities in three cross sections is measured, the poorest circularities of record data as the measured value of hole circle degree, and simply to be converted the cylinder angle value that just can obtain being similar to by the circularities in three cross sections.
This auxiliary mould tool has the following advantages:
1, this auxiliary mould structure is simply small and exquisite, and assembly method is simple, and it is little to take up room, and is convenient to production line and uses;
2, by using auxiliary mould, just can realize by conventional pneumatic amount instrument the multi-section roundness measurement that three-dimensional or automatic creeping measuring instrument just can accomplish, greatly having played the advantage of online cubing, decreased and detect stand-by period and testing cost;
3, this auxiliary mould is simple to operate, and everybody can operate.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.
Claims (8)
1. an engine cylinder head conduit hole roundness measurement auxiliary mould, for matching with the measuring staff of air-gauge, it is characterized in that: described auxiliary mould comprises for being set in the neck bush be fixedly connected with on described measuring staff and with measuring staff and the outer tube be set on neck bush, outer tube is provided with the lockable mechanism for making inner sleeve locking, and inner sleeve is axially arranged with multiple lock position along measuring staff.
2. engine cylinder head conduit hole roundness measurement auxiliary mould according to claim 1, it is characterized in that: described outer tube comprise columniform outer tube body and be located at outer tube body outside wall surface on and the projection radially extended, projection and outer tube body are provided with and are connected and accommodation hole for holding described lockable mechanism.
3. engine cylinder head conduit hole roundness measurement auxiliary mould according to claim 2, it is characterized in that: described accommodation hole is the internal face extending to outer tube body along the radial direction of described outer tube body from the end face of described projection, and the outside wall surface of described neck bush arranges described lock position.
4. the engine cylinder head conduit hole roundness measurement auxiliary mould according to Claims 2 or 3, it is characterized in that: described lockable mechanism comprises the locating part, Compress Spring and the locking ball that are arranged in described accommodation hole, Compress Spring is clipped between locating part and locking ball, and the lock position place in the outside wall surface of described neck bush is provided with the locking groove holding locking ball.
5. engine cylinder head conduit hole roundness measurement auxiliary mould according to claim 4, is characterized in that: described locating part is insert the bolt be threaded with described projection in described accommodation hole.
6. engine cylinder head conduit hole roundness measurement auxiliary mould according to claim 5, is characterized in that: described locking groove is provided with two along the axial of described neck bush in the outside wall surface of neck bush.
7. engine cylinder head conduit hole roundness measurement auxiliary mould according to claim 6, is characterized in that: described locking groove is the ring-shaped groove extended along whole circumference in the outside wall surface of described neck bush.
8. engine cylinder head conduit hole roundness measurement auxiliary mould according to claim 7, is characterized in that: described neck bush is fixedly connected with described measuring staff by holding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481101.0U CN204043652U (en) | 2014-08-25 | 2014-08-25 | A kind of engine cylinder head conduit hole roundness measurement auxiliary mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481101.0U CN204043652U (en) | 2014-08-25 | 2014-08-25 | A kind of engine cylinder head conduit hole roundness measurement auxiliary mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204043652U true CN204043652U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420481101.0U Active CN204043652U (en) | 2014-08-25 | 2014-08-25 | A kind of engine cylinder head conduit hole roundness measurement auxiliary mould |
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| Country | Link |
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| CN (1) | CN204043652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482614A (en) * | 2016-12-07 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | Engine cylinder-body cylinder-bore roundness error measurement instrument |
| CN110285746A (en) * | 2019-07-11 | 2019-09-27 | 河南柴油机重工有限责任公司 | A kind of cylinder cover guide pipe hole perpendicularity detection device |
-
2014
- 2014-08-25 CN CN201420481101.0U patent/CN204043652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482614A (en) * | 2016-12-07 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | Engine cylinder-body cylinder-bore roundness error measurement instrument |
| CN110285746A (en) * | 2019-07-11 | 2019-09-27 | 河南柴油机重工有限责任公司 | A kind of cylinder cover guide pipe hole perpendicularity detection device |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |