CN107335978B - Engine cam timing tooling - Google Patents
Engine cam timing tooling Download PDFInfo
- Publication number
- CN107335978B CN107335978B CN201611186027.XA CN201611186027A CN107335978B CN 107335978 B CN107335978 B CN 107335978B CN 201611186027 A CN201611186027 A CN 201611186027A CN 107335978 B CN107335978 B CN 107335978B
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- CN
- China
- Prior art keywords
- clamp arm
- bottom plate
- guide rod
- cam timing
- extension
- 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
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- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 13
- 230000008859 change Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 3
- 206010021703 Indifference Diseases 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000011009 performance qualification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/02—Camshafts
Abstract
The invention discloses a kind of engine cam timing tooling, including bottom plate, bottom base plate two sides are formed with extension, respectively left extension and right extension；Dynamic equipment, fixation are located on bottom plate, and dynamic equipment has removable guide bar, and guide rod is towards the bottom of bottom plate；Tong arm is divided into left clamp arm and right clamp arm, in mirror image is articulated on bottom plate respectively, and one end of left clamp arm forms left pressure section, and in the stroke of guide rod, the other end of left clamp arm forms left clamping section, forms clamp structure with left extension；One end of right clamp arm forms right pressure section, and in the stroke of guide rod, the other end of right clamp arm forms right clamping section, forms clamp structure with right extension.One camshaft installation inaccuracy, will lead to the diameter that jaw is clamped and becomes larger, the diameter of another jaw is caused to also become larger, another camshaft will rotate.It only needs to lift guide rod when adjustment, changes jaw size, then adjust the camshaft of inaccuracy.
Description
Technical field
The present invention relates to timing apparatus more particularly to a kind of engine cam timing toolings.
Background technique
In engine working process, engine is recycled according to each cylinder working and the requirement of firing order, by the rotation of crankshaft
Turn to pass to camshaft by Timing Belt or chain, the corresponding valve of the in due course control of the cam on camshaft beats on or off
It closes to complete intake and exhaust movement, the exhaust gas after making ozone and burning in time, adequately enters and discharge cylinder, therefore just
When installation be guarantee engine inlet and outlet time accuracy important link.To be easily installed, when design generally by
In inlet and outlet camshaft toothed wheel and engine, label is made on crankshaft and engine, passes through alignment intake and exhaust cam when installation
Label, crankshaft in axis toothed wheel and engine and the accuracy marked to ensure timing installation on engine.
At present to prevent timing from occurring the case where deviation during the installation process, pass through more of disassembly in engine pilot stage
The engine of performance qualification verifies in air inlet toothed wheel the number of teeth for marking and being vented on the belt in toothed wheel between label repeatedly,
When the number of teeth indifference on more engines between two labels on belt, the mark just produced in batches using this number of teeth as engine
It is quasi-.Timing installation process is as follows on engine production line: adjustment engine inlet and outlet camshaft and crankshaft, makes its label and hair
Label in motivation is corresponding, is installed into, exhaust cam shaft limit turns accessory, Timing Belt or chain is then installed, after being installed
By being marked in check air inlet toothed wheel and being vented the number of teeth in toothed wheel between label on belt, and compared with standard,
If indifference, timing installation is errorless；If there is deviation, timing need to dismantle and reinstall and check the number of teeth.
Summary of the invention
The object of the present invention is to provide a kind of engine cam timing toolings, overcome defect in the prior art, improve
The accuracy of timing improves working efficiency.
Engine cam timing tooling of the invention, comprising: bottom plate, the two sides of the bottom base plate are formed with stretching
Portion, respectively left extension and right extension；Dynamic equipment, fixation are located on the bottom plate, and the dynamic equipment has moveable
Guide rod, the guide rod is towards the bottom of the bottom plate；Tong arm is divided into left clamp arm and right clamp arm, in mirror image is pivotally connected respectively
On the bottom plate, wherein one end of the left clamp arm forms left pressure section, in the stroke of the guide rod, the left side
The other end of tong arm forms left clamping section, forms clamp structure with left extension；One end of the right clamp arm forms right pressure section,
In the stroke of the guide rod, the other end of the right clamp arm forms right clamping section, forms clamp structure with right extension.
Engine cam timing tooling as described above, wherein connected between the left clamp arm and the right clamp arm
There is spring.
Engine cam timing tooling as described above, wherein be additionally provided on the bottom plate to the tong arm into
The limiter of row limit, the limiter are respectively facing the left clamp arm and the right clamp arm there are two at least having.
Engine cam timing tooling as described above, wherein the limiter includes adjusting seat and is set in described
Spacer pin in adjusting seat.
Engine cam timing tooling as described above, wherein the dynamic equipment also has cylinder pressure, the plug of the cylinder pressure
Bar is connect with the guide rod, to drive the guide rod mobile.
Engine cam timing tooling as described above, wherein two handles, Mei Gesuo are formed on the bottom plate
It states and a button is respectively set on handle, a control guide rod in two buttons moves up, another control
The guide rod moves down.
Engine cam timing tooling as described above, wherein guide holder, the guide holder are formed on the bottom plate
It with guide through hole, is protruded into for the guide rod, to be oriented to the guide rod.
Engine cam timing tooling as described above, wherein be formed with hoisting ring at the top of the bottom plate.
Engine cam timing tooling as described above, wherein be formed with protective block in the bottom base plate.
Engine cam timing tooling of the invention, left extension and left clamping section form clamp structure, right extension
Clamp structure is formed with right clamping section, the two clamp structures clamp the admission cam shaft and exhaust cam shaft of engine respectively,
Guide rod supports left pressure section and right pressure section simultaneously, changes the jaw size of two clamp structures by lever principle, and
And it can guarantee that the jaw size of two clamp structures is identical.The section of admission cam shaft and exhaust cam shaft is non-circular section
Face, such as generally hexagonal cross-section.When timing, the minor axis plane of two camshafts is generally clamped with jaw, in two cams
When axis installation is accurate, two camshafts are all clamped, and are not able to rotate.If there is a camshaft installation inaccuracy, will lead to
The diameter that jaw is clamped becomes larger, and also becomes larger so as to cause the diameter of another jaw, and the camshaft in another jaw will
It rotates, so as to judge installation inaccuracy, needs to adjust.When adjustment, it is only necessary to lift guide rod, it is big to change jaw
It is small, then adjust the camshaft of inaccuracy.
Detailed description of the invention
Fig. 1 is the perspective view of inventive engine camshaft timing tooling；
Fig. 2 is main view when inventive engine camshaft timing tooling uses.
Appended drawing reference:
1- handle；2- button；3- connecting plate；4- hoisting ring；5- mounting plate；6- cylinder pressure；7- stopper rod；8- bottom plate；9- limit
Pin；10- adjusting seat；11- connector；12- guide rod；13- guide holder；14a- left clamp arm；14b- right clamp arm；15- axis；16- protection
Block；17- spring；18- mounting blocks；19- transition plates；100- cylinder cap；101- admission cam shaft；102- exhaust cam shaft.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
The present invention discloses a kind of engine cam timing tooling (hereinafter referred to as tooling), referring to Fig. 1 and Fig. 2, the tooling
Including bottom plate 8, dynamic equipment and tong arm, certain tong arm is divided into left clamp arm 14a and right clamp arm 14b.Illustrate each section separately below,
The two sides of 8 bottom of bottom plate are formed with extension, respectively left extension and right extension, left extension and left clamp arm
14a matches to form a jaw for gripping cams axis, and also one jaw of formation is used to press from both sides for right extension and right clamp arm 14b matching
Tight camshaft, certainly, above-mentioned two jaw are not to clamp the same camshaft, and referring to fig. 2, a jaw clamps admission cam
Axis 101, another jaw clamp exhaust cam shaft 102.Specific generation type is as follows:
One end of the left clamp arm 14a forms left pressure section, and the other end of the left clamp arm 14a forms left clamping section, with
Left extension forms clamp structure, to clamp admission cam shaft 101；One end of right clamp arm 14b forms right pressure section, the right pincers
The other end of arm 14b forms right clamping section, clamp structure is formed with right extension, to clamp admission cam shaft 102.
Two above-mentioned clamp structures are necessarily formed with jaw, and the size of jaw can be adjusted by dynamic equipment, tool
Body, dynamic equipment is fixed on bottom plate 8, and has transportable guide rod 12 on dynamic equipment, and guide rod 12 is towards bottom plate 8
Bottom also towards left pressure section and right pressure section, by the movement of guide rod 12, left pressure section can be compressed and the right side compresses
Portion, at the same left and right two pressure sections be all to be articulated on bottom plate 8, therefore, guide rod 12 compress movement under, left clamp arm 14a
It can be rotated around articulated section with right clamp arm 14b, to change jaw size.In a preferred embodiment, dynamic equipment is also
With cylinder pressure 6, the stopper rod 7 of cylinder pressure 6 is connect with guide rod 12, to drive the guide rod 12 mobile.Preferably, it stopper rod 7 and leads
It is connected to bar 12 by connector 11.Above-mentioned cylinder pressure 6 for hydraulic cylinder or can make pneumatic cylinder.
Preferably, above-mentioned articulated section can be axis 15, and left clamp arm 14a and right clamp arm 14b pass through 8 pivot of more than 15 bottom plate of axis
It connects.
Further, above-mentioned left clamp arm 14a and right clamp arm 14b is being articulated on bottom plate 8 in mirror image, so in guide rod 12
Under the action of the amount of spin of left clamp arm 14a and right clamp arm 14b be identical, to guarantee the pincers that above-mentioned two clamp structure is formed
Mouth size is identical, and the variation of jaw size is synchronous.
Preferably, guide rod 12 is to move up and down, and in order to guarantee the unification of its motion path, is formed and is led on bottom plate 8
To seat 13, guide holder 13 has guide through hole, protrudes into for guide rod 12, to be oriented to the guide rod 12.
In timing operation, referring to fig. 2, first passes through traditional mode and substantially adjust admission cam shaft 101 and exhaust cam
Axis 102 clamps the minor axis (section of general camshaft is hexagon) of two camshafts, " clamping " with above-mentioned two jaw respectively
Movement make the movement by guide post 12, change what jaw size was realized, the variation by above-mentioned jaw size be it is synchronous,
And jaw size be also it is identical, this means that if the installation of two camshafts is accurate, will be simultaneously clamped on by two jaws, no
It is able to rotate, if there is a camshaft installation inaccuracy, then inevitable its is rotated, which will lead to the jaw side of clamping
The variation of upward camshaft diameter, i.e., be no longer minor axis, this will lead to jaw and becomes larger, and because of the size phase of two jaws
Together, another inevitable jaw also becomes larger, and will lead to another camshaft and is not clamped, can rotate.
It may determine that by above-mentioned, only there are two being just that installation is accurate when camshaft is clamped is not able to rotate simultaneously, not
When installing accurate, it can change jaw size (mainly become larger jaw) by 12 position of guide rod, constantly regulate camshaft,
Until two camshafts are clamped simultaneously.The tooling of the application is simple to operate, effectively solution the problems of the prior art, mentions
High yield quality, that is, production efficiency.
It is noted that camshaft first passes through traditional approach installation when installing, have label as reference when installation, error is not
It can be excessive.By taking hexagon camshaft as an example, 60 degree of one of cam axle will not occur, equally with minor axis direction quilt
Clamp because this large-scale error operation personnel directly pass through naked eyes it may determine that.
Speed in order to facilitate adjustment jaw size is more synchronous with the speed that two jaw sizes change, and is stating left clamp arm
Spring 17 is connected between 14a and right clamp arm 14b.
In a preferred embodiment, the limiter limited to tong arm is additionally provided on bottom plate 8, limiter is extremely
There are two few tools, is respectively facing the left clamp arm 14a and right clamp arm 14b.Limiter includes adjusting seat 10 and is set in adjusting seat
Spacer pin 9 in 10.
It is excessive or too small to adapt to camshaft because needing first to adjust jaw size when using the tooling of the application
Jaw all influences efficiency when using, so using limiter coarse adjustment jaw size, and in actual use not by the limit
The change of device progress jaw size.Certainly, the above-mentioned spacer pin 9 being set in adjusting seat 10 is can to move in adjusting seat 10
, to realize the function of above-mentioned coarse adjustment, further spacer pin 9 can be changed to be locked being moved to suitable position,
Its mode fixed can there are many, such as can realize using positioning pin, or by buckle structure etc..
It is formed with two handles 1 on bottom plate 8, is respectively set a button 2 on each handle 1, one in two buttons 2
A control guide rod 12 moves up, and another control guide rod 12 moves down.Certain button 2 is only preferred as one
Structure, others, such as handle, switch, shifting block may be used to the application.
It is formed with hoisting ring 4 at the top of the bottom plate 8, entire work can be sling by hoisting ring 4 when using this tooling
Dress carries out above-mentioned timing operation in two camshafts of alignment.Certainly it is formed with protective block 16 in 8 bottom of bottom plate, guarantees lifting
When bottom plate 8 bottom will not scratch cylinder cap 100 (as shown in Figure 2).
Certainly, there are also some additional components in some embodiments, illustrate together below.
Referring to Fig. 1 and Fig. 2, mounting plate 5 is further fixedly arranged on bottom plate 8, above-mentioned handle 1 is fixed to by connecting plate 3
On mounting plate 5, hoisting ring 4 also be can be set on mounting plate 5.
Mounting blocks 18 are provided on handle 1, button 2 is arranged on mounting blocks 18, there is circuit structure in mounting blocks 18, with
The movement for controlling guide rod 12 (can of course be to indirectly control the movement of guide rod 12, such as by controlling cylinder body 6, thus real
Now to the mobile control of guide rod 12).
There is transition plates 19 in 18 shell of mounting blocks, with the line construction inside protector, while can be convenient for connecting with handle 1
It connects.
Structure, feature and effect of the invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to structure of the invention
Think made change or equivalent example modified to equivalent change, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (9)
1. a kind of engine cam timing tooling characterized by comprising
The two sides of bottom plate (8), bottom plate (8) bottom are formed with extension, respectively left extension and right extension；
Dynamic equipment, fixation are located on the bottom plate (8), and the dynamic equipment has removable guide bar (12), the guide rod
(12) towards the bottom of the bottom plate (8)；
Tong arm is divided into left clamp arm (14a) and right clamp arm (14b), in mirror image is articulated on the bottom plate (8) respectively, wherein
One end of the left clamp arm (14a) forms left pressure section, is located in the stroke of the guide rod (12), the left clamp arm
The other end of (14a) forms left clamping section, forms clamp structure with left extension；
One end of the right clamp arm (14b) forms right pressure section, is located in the stroke of the guide rod (12), the right clamp arm
The other end of (14b) forms right clamping section, forms clamp structure with right extension.
2. engine cam timing tooling according to claim 1, which is characterized in that
Spring (17) are connected between the left clamp arm (14a) and the right clamp arm (14b).
3. engine cam timing tooling according to claim 1, which is characterized in that
The limiter limited to the tong arm is additionally provided on the bottom plate (8), there are two the limiter at least has,
It is respectively facing the left clamp arm (14a) and the right clamp arm (14b).
4. engine cam timing tooling according to claim 3, which is characterized in that
The limiter includes adjusting seat (10) and the spacer pin (9) being set in the adjusting seat (10).
5. engine cam timing tooling according to claim 1, which is characterized in that
The dynamic equipment also has cylinder pressure (6), and the stopper rod (7) of the cylinder pressure (6) is connect with the guide rod (12), to drive
It is mobile to state guide rod (12).
6. engine cam timing tooling according to claim 1, which is characterized in that
It is formed with two handles (1) on the bottom plate (8), is respectively set a button (2) on each handle (1), two
One in a button (2) the control guide rod (12) moves up, and another control guide rod (12) is to moving down
It is dynamic.
7. engine cam timing tooling according to claim 1, which is characterized in that
It is formed on the bottom plate (8) guide holder (13), the guide holder (13) has guide through hole, for the guide rod (12)
It protrudes into, to be oriented to the guide rod (12).
8. engine cam timing tooling according to claim 1, which is characterized in that
Hoisting ring (4) are formed at the top of the bottom plate (8).
9. engine cam timing tooling according to claim 1, which is characterized in that
Protective block (16) are formed in the bottom plate (8) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611186027.XA CN107335978B (en) | 2016-12-20 | 2016-12-20 | Engine cam timing tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611186027.XA CN107335978B (en) | 2016-12-20 | 2016-12-20 | Engine cam timing tooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107335978A CN107335978A (en) | 2017-11-10 |
| CN107335978B true CN107335978B (en) | 2018-12-14 |
Family
ID=60222443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611186027.XA Expired - Fee Related CN107335978B (en) | 2016-12-20 | 2016-12-20 | Engine cam timing tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107335978B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010017834A (en) * | 2008-07-14 | 2010-01-28 | Central Motor Co Ltd | Clamping mechanism for material hand |
| CN203062287U (en) * | 2012-12-09 | 2013-07-17 | 重庆盾铭电磁阀有限公司 | Rotating cam clamping device |
| CN205111168U (en) * | 2015-11-12 | 2016-03-30 | 安徽江淮汽车股份有限公司 | Automobile frame rivet welding anchor clamps |
| CN105855838B (en) * | 2016-06-14 | 2019-02-01 | 博众精工科技股份有限公司 | A kind of clamping device |
| CN105923382B (en) * | 2016-06-24 | 2018-09-21 | 博众精工科技股份有限公司 | A kind of connecting rod clamping device |
-
2016
- 2016-12-20 CN CN201611186027.XA patent/CN107335978B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN107335978A (en) | 2017-11-10 |
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Granted publication date: 20181214 |
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