CN208671851U - A kind of polar coordinates detection device of camshaft - Google Patents
A kind of polar coordinates detection device of camshaft Download PDFInfo
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- CN208671851U CN208671851U CN201821408381.7U CN201821408381U CN208671851U CN 208671851 U CN208671851 U CN 208671851U CN 201821408381 U CN201821408381 U CN 201821408381U CN 208671851 U CN208671851 U CN 208671851U
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Abstract
The utility model provides a kind of polar coordinates detection device of camshaft, is related to mechanical manufacturing field.The polar coordinates detection device of the camshaft, including the workpiece, cubing matrix and annular knurl plug handle that need to be detected, the middle part at the top of workpiece that need to be detected offers central bore, the top for the workpiece that need to be detected and be located at inner hole right side opening be equipped with the second benchmark pin hole, the right side of cubing baseline top, which is run through, offers the first pin hole, the top of annular knurl plug handle offers fixing screw hole on the left of annular knurl plug handle through putting hole is offered.The polar coordinates detection device of the camshaft, it is designed by the bottom of cubing matrix using the conical surface, when there are be adjusted when inner diameter size tolerance for the inner hole for the workpiece that need to be detected, so as to reduce the error of cubing matrix with the workpiece that need to be detected, the size in hole increases product space tolerance on the basis of holes of products size, can be inserted as qualification, cannot be inserted as it is bad, it is this structure economics, effective, high-efficient.
Description
Technical field
The utility model relates to machinery manufacturing technology field, the polar coordinates detection device of specially a kind of camshaft.
Background technique
Camshaft is a component in piston engine.Its effect is to control the unlatching and closed action of valve.Though
So in four-stroke engine the revolving speed of camshaft be crankshaft half (in the two stroke engine revolving speed and crankshaft of camshaft
It is identical), but usually it revolving speed it is still very high, and need to bear very big torque, thus in designing to camshaft strong
The requirement of degree and support aspect is very high, and material is usually superior alloy steel or steel alloy.Since valve motion rule is related to
The power and service performance of one engine, thus camshaft design in the design process of engine in occupation of highly important
Status, the main body of camshaft are a cylindrical barred bodies approximately uniform with air cylinder group length.It is cased with several cams above, uses
In driving valve.Camshaft is supported in cam shaft bearing bore by camshaft journal, therefore camshaft journal number
It how much is an important factor for influencing camshaft support rigidity.If camshaft insufficient rigidity, when work, will occur bending and deformation, shadow
Valve timing is rung, the side of cam is in egg shape.Its purpose designed is to guarantee the sufficient air inlet of cylinder and exhaust, camshaft
Main body be a cylindrical barred body approximately uniform with air cylinder group length.It is cased with several cams above, for driving valve.
But part detection device at present on the market, when in use, center between two cylindrical holes away from dimension overproof,
Bulk article can not assemble, the three slow low efficiencys of coordinate measurement speed, cannot achieve large batch of inspection and determine.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of polar coordinates detection device of camshaft, solves
Part detection device on the market at present, when in use, away from dimension overproof, bulk article can not fill at the center between two cylindrical holes
Match, the three slow low efficiencys of coordinate measurement speed, cannot achieve the problem of large batch of inspection determines.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of polar coordinates of camshaft
Detection device, including the workpiece, cubing matrix and annular knurl plug handle that need to be detected, the middle part at the top of the workpiece that need to be detected is opened
Equipped with inner hole, the top of the workpiece that need to be detected and be located at inner hole right side opening be equipped with the second pin hole, cubing matrix top
Through the first pin hole is offered, the top of the annular knurl plug handle, which is run through, offers putting hole, the annular knurl core on the right side in portion
It offers fixation hole on the left of bat handle, the bottom of the annular knurl plug handle and is located at immediately below putting hole and is provided with the limit
Minimum value detection plug, and the top of limit minimum value detection plug passes through the bottom of putting hole and extends to the interior of putting hole
Portion, the left side of the annular knurl plug handle are equipped with lock screw, and left side and extension of the side of lock screw by fixation hole
To the inside of fixation hole.
Further, the side of the fixation hole is connected to the side of putting hole, the fixation hole and lock screw screw thread
Connection, and fixation hole is adapted with lock screw.
Further, the annular knurl plug handle is fixed by fixation hole and lock screw with limit minimum value detection plug
Connection.
Further, one end of the cubing matrix is designed using the conical surface, and cubing matrix is located at the workpiece that need to be detected
Surface.
Further, the limit minimum value detection plug is adapted with putting hole.
Further, first pin hole is located at the surface of the second pin hole, and the limit minimum value detection plug is located at
The surface of first pin hole.
Beneficial effect
Compare the prior art, and the utility model provides a kind of polar coordinates detection device of camshaft, and having following has
Beneficial effect:
1, the polar coordinates detection device of the camshaft is designed by the bottom of cubing matrix using the conical surface, when what need to be detected
The inner hole of workpiece when inner diameter size tolerance there are being adjusted, so as to reduce the error of cubing matrix with the workpiece that need to be detected,
The size in hole increases product space tolerance on the basis of holes of products size, can be inserted as qualification, cannot be inserted as bad, this knot
It is structure economy, effective, high-efficient, and be applicable in and carry out high-volume sex determination on site.
2, the polar coordinates detection device of the camshaft, by being used cooperatively for lock screw and fixation hole, by limit minimum
Value detection plug is fixed with annular knurl plug handle, is made by limit minimum value detection plug and the cooperation of annular knurl plug handle
With, be conducive to grab taking, grab take very flexibly, the structure operation is convenient, facilitates and is detected.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Wherein, 1 workpiece, 2 inner holes, 3 cubing matrixes, 4 lock screws, 5 fixation holes, 6 putting holes, the 7 annular knurl cores that need to be detected
Bat handle, 8 limit minimum value detection plugs, 9 first pin holes, 10 second pin holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of polar coordinates detection device of camshaft, as shown in Figure 1, including that need to detect
The middle part of workpiece 1, cubing matrix 3 and annular knurl plug handle 7,1 top of workpiece that need to be detected offers inner hole 2, the work that need to be detected
The top of part 1 and the right side opening for being located at inner hole 2 are equipped with the second pin hole 10, and the right side at 3 top of cubing matrix, which is run through, offers first
Pin hole 9, through putting hole 6 is offered, the left side of annular knurl plug handle 7 offers fixation hole 5 at the top of annular knurl plug handle 7,
Fixation hole 5 is threaded hole, and the bottom of annular knurl plug handle 7 and the underface for being located at putting hole 6 are provided with the detection of limit minimum value
Plug 8, and the top of limit minimum value detection plug 8 passes through the bottom of putting hole 6 and extends to the inside of putting hole 6, annular knurl
The left side of plug handle 7 is equipped with lock screw 4, and the side of lock screw 4 passes through the left side of fixation hole 5 and extends to fixation hole
The side of 5 inside, fixation hole 5 is connected to the side of putting hole 6, and fixation hole 5 is connected to putting hole 6 can just make lock screw 4
The side being located inside putting hole 6 with limit minimum value detection plug 8 is contacted, and limit minimum value detection plug can be made
8 are fixed with annular knurl plug handle 7, and fixation hole 5 is threadedly coupled with lock screw 4, and fixation hole 5 and 4 phase of lock screw are suitable
Match, annular knurl plug handle 7 is fixedly connected by fixation hole 5 and lock screw 4 with limit minimum value detection plug 8, cubing matrix 3
One end designed using the conical surface, and cubing matrix 3 is located at the surface of workpiece 1 that need to be detected, limit minimum value detection plug 8 with
Putting hole 6 is adapted, and the first pin hole 9 is located at the surface of the second pin hole 10, and limit minimum value detection plug 8 is located at the first pin hole
9 surface is designed by the bottom of cubing matrix 3 using the conical surface, when there are inner diameter sizes for the inner hole 2 of the workpiece 1 that need to be detected
It is adjusted when tolerance, so as to reduce the error of cubing matrix 3 with the workpiece 1 that need to be detected, the size in hole is in holes of products size
On the basis of increase product space tolerance, qualification can be inserted as, cannot be inserted as it is bad, it is this structure economics, effective, high-efficient,
And be applicable in and carry out high-volume sex determination on site, by being used cooperatively for lock screw 4 and fixation hole 5, limit minimum value is examined
It surveys plug 8 to be fixed with annular knurl plug handle 7, be made by limit minimum value detection plug 8 and the cooperation of annular knurl plug handle 7
With, be conducive to grab taking, grab take very flexibly, the structure operation is convenient, facilitates and is detected.
Working principle: in use, the bottom by cubing matrix 3 is designed using the conical surface, when the inner hole for the workpiece 1 that need to be detected
2 when inner diameter size tolerance there are being adjusted, so as to reduce the error of cubing matrix 3 with the workpiece 1 that need to be detected, the size in hole
On the basis of holes of products size increase product space tolerance, qualification can be inserted as, cannot be inserted as it is bad, this structure economics,
Effectively, high-efficient, and be applicable in and carry out high-volume sex determination on site.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. the polar coordinates detection device of a kind of camshaft, including the workpiece (1), cubing matrix (3) and annular knurl plug hand that need to be detected
Handle (7), it is characterised in that: the middle part at the top of the workpiece (1) that need to be detected offers central bore (2), described to detect
The top of workpiece (1) and the right side opening for being located at inner hole (2) is equipped with the second pin hole (10), the right side at the top of the cubing matrix (3)
Through offering the first pin hole (9), the top of the annular knurl plug handle (7), which is run through, to be offered putting hole (6), the annular knurl core
Offered on the left of bat handle (7) fixation hole (5), the bottom of the annular knurl plug handle (7) and be located at putting hole (6) just under
Side is provided with limit minimum value detection plug (8), and the top of limit minimum value detection plug (8) passes through the bottom of putting hole (6)
The left side of portion and the inside for extending to putting hole (6), the annular knurl plug handle (7) is equipped with lock screw (4), and lock screw
(4) side passes through the left side of fixation hole (5) and extends to the inside of fixation hole (5).
2. a kind of polar coordinates detection device of camshaft according to claim 1, it is characterised in that: the fixation hole (5)
Side be connected to the side of putting hole (6), the fixation hole (5) is threadedly coupled with lock screw (4), and fixation hole (5) with
Lock screw (4) is adapted.
3. a kind of polar coordinates detection device of camshaft according to claim 1, it is characterised in that: the annular knurl plug hand
Handle (7) is fixedly connected by fixation hole (5) and lock screw (4) with limit minimum value detection plug (8).
4. a kind of polar coordinates detection device of camshaft according to claim 1, it is characterised in that: the cubing matrix
(3) one end is designed using the conical surface, and cubing matrix (3) is located at the surface for the workpiece (1) that need to be detected.
5. a kind of polar coordinates detection device of camshaft according to claim 1, it is characterised in that: the limit minimum value
Detection plug (8) is adapted with putting hole (6).
6. a kind of polar coordinates detection device of camshaft according to claim 1, it is characterised in that: first pin hole
(9) it is located at the surface of the second pin hole (10), the limit minimum value detection plug (8) is located at the surface of the first pin hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408381.7U CN208671851U (en) | 2018-08-30 | 2018-08-30 | A kind of polar coordinates detection device of camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408381.7U CN208671851U (en) | 2018-08-30 | 2018-08-30 | A kind of polar coordinates detection device of camshaft |
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| Publication Number | Publication Date |
|---|---|
| CN208671851U true CN208671851U (en) | 2019-03-29 |
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ID=65840773
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821408381.7U Active CN208671851U (en) | 2018-08-30 | 2018-08-30 | A kind of polar coordinates detection device of camshaft |
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| CN (1) | CN208671851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747695A (en) * | 2019-10-29 | 2021-05-04 | 沪东重机有限公司 | Method for detecting concentricity of camshaft bearing seat hole of marine diesel engine |
-
2018
- 2018-08-30 CN CN201821408381.7U patent/CN208671851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747695A (en) * | 2019-10-29 | 2021-05-04 | 沪东重机有限公司 | Method for detecting concentricity of camshaft bearing seat hole of marine diesel engine |
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