CN208502899U - A kind of multi-model crankshaft driving head - Google Patents
A kind of multi-model crankshaft driving head Download PDFInfo
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- CN208502899U CN208502899U CN201820875607.8U CN201820875607U CN208502899U CN 208502899 U CN208502899 U CN 208502899U CN 201820875607 U CN201820875607 U CN 201820875607U CN 208502899 U CN208502899 U CN 208502899U
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- push rod
- drive disk
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- crankshaft
- driving head
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of multi-model crankshaft driving head, including driving spindle and the drive disk being connect with driving spindle, several axis holes are provided in drive disk, a putter component is provided in each axis hole, putter component includes the push rod being axially set in drive disk and ships and resell on another market, it ships and resell on another market and is fixed on close to the push rod end face of crankshaft flange endface, axial floating mechanism is provided on push rod in axis hole, driving spindle is connected with push rod connecting plate, push rod is connect with push rod connecting plate, when multi-model crankshaft driving head works, push rod makees axial limited flexibility by axial floating mechanism.The utility model discloses a kind of multi-model crankshaft driving head, flexibility with multimachine applicability, online random assembling, and this kind of equipment no replacement is required fixture, it can be protected with time saving mistake proofing and workpiece, and the device structure is simple, installation and debugging are convenient, vulnerable part is easy to change.
Description
Technical field
The utility model belongs to engine assembly technical field, and in particular to a kind of crankshaft drive of multi-model engine assembly
Dynamic head the assembly equipments such as tightens suitable for the test of engine crankshaft rotary torque, connecting rod cap fastening screw.
Background technique
Crankshaft is the important part of engine power conversion and output, by taking four-cylinder gasoline engine as an example, four, engine
The burning kinetic energy of combustion chamber is transported by the linear line movement of four groups of cylinder pistons by the rotation that connecting rod, crankshaft are converted to crankshaft
It is dynamic, and flywheel and belt wheel by connecting with crankshaft two end output power.On the one hand, normal in order to ensure engine performance
It plays, the detection of crank up torque is particularly important during engine assembly, and torque detection needs to utilize crankshaft driving head
Drive crank rotation；On the other hand, due to the eccentric shaft feature of crankshaft, it is fixed on four connecting rods on eccentric shaft and lid and its tight
Gu screw can make rotation translation movement with the eccentric shaft curved axis centre of gyration of crankshaft, for convenience of tightening operation, connecting rod and lid
Fastening screw must go to a designated position before tightening every time, therefore, it is also desirable to which crankshaft driving head drives crank rotation.
Crankshaft driving head realizes the transmission of the power between crankshaft by connecting the flanged joint of flywheel with crankshaft.Existing skill
In art, there is the pin hole of multiple uniformly distributed screw holes and an opposite screw hole drift angle on the end face of flange of engine crankshaft connection flywheel,
As shown in Figure 1, and the arrangement of boring holes of each corresponding engine models and different.Therefore, bent in order to meet different model engine
The needs of the online random assembling of axis, a kind of multi-model crankshaft driving head become the hot spot of this field research.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of multi-model crankshaft driving heads, solve existing skill
Crankshaft driving head cannot be applicable in different model engine crankshaft flange crankshaft driving head caused by and engine crankshaft method in art
Orchid can not achieve the technical issues of online random assembling.
In order to solve the above technical problems, the technical solution adopted in the utility model: a kind of multi-model crankshaft driving head, including
Driving spindle and the drive disk being connect with driving spindle, it is characterised in that: several axis holes are provided in the drive disk, each
A putter component is provided in the axis hole, putter component includes the push rod being axially set in drive disk and ships and resell on another market, institute
It states to ship and resell on another market and be fixed on close to the push rod end face of crankshaft flange endface, axial floating machine is provided on push rod described in axis hole
Structure, the driving spindle are connected with push rod connecting plate, and push rod is connect with push rod connecting plate, when multi-model crankshaft driving head works,
Push rod makees axial limited flexibility by axial floating mechanism.
Preferably, the axial floating mechanism includes push rod spring and spring washer, and one end of the push rod spring is supported
The shaft shoulder of push rod is leaned against, the other end of push rod spring is barred from drive disk by check ring.
Preferably, it ships and resell on another market described in same push rod end face there are two settings, and one is shipped and resell on another market and pin hole in crankshaft flange end face
Fit clearance be less than another fit clearance for shipping and reselling on another market with screw hole in crankshaft flange end face.
Preferably, the push rod shaft has set up guide groove, is arranged corresponding to being oriented at groove location on the drive disk
There is anti-rotation guide pin hole, anti-rotation guide pin is inserted into guide groove after anti-rotation guide pin hole, and anti-rotation guide pin is fixed with drive disk.
Preferably, setting-up piece is provided on the drive disk, setting-up piece is connected in anti-rotation guide pin, and setting-up piece
It is fixed by fastener and drive disk.
Preferably, be arranged with buffer spring and spring base in the driving spindle, one end of the buffer spring against
On the rear end face of drive disk, the other end of buffer spring is resisted against on spring base, and the spring base is resisted against push rod connecting plate
On.
Preferably, the pilot bushing for sealing is provided with described in the both ends positioned at drive disk between axis hole and push rod.
Preferably, the drive disk is internally provided with fixed plate washer, and one end of driving spindle is fixedly connected with fixed plate washer,
It is provided with keyway in driving spindle, passes through driving key connection between driving spindle and drive disk.
Preferably, nut is connected with across described push rod one end of push rod connecting plate.
It can be with the utility model has the beneficial effects that the utility model discloses a kind of multi-model crankshaft driving head, in drive disk
Multiple putter components suitable for different type of machines crankshaft flange end-face hole are provided with, by the way that axial floating machine is arranged in push rod
Structure allows push rod to make limited flexibility in the axial direction, when in putter component ship and resell on another market not with pin hole in crankshaft flange end face
When matching, putter component is compressed by crankshaft flange end face, when shipping and reselling on another market and pin hole in crankshaft flange end face in putter component
After matching, ships and resell on another market and drive flange rotation after being inserted into pin hole.Multi-model crankshaft driving head described in the utility model can not only drive
Crankshaft, can also under the premise of being changed without tooling by setting push rod and its end ship and resell on another market the rational position on drive disk with
And the axial floating mechanism in push rod to be to match the corresponding hole location of different model engine crankshaft flange, to realize multi-model song
The driving of axis.This kind of equipment has a flexibility of multimachine applicability, online random assembling, and this kind of equipment no replacement is required fixture,
It can be protected with time saving mistake proofing and workpiece, and the device structure is simple, installation and debugging are convenient, vulnerable part is easy to change.
Detailed description of the invention
Fig. 1 is the end face of flange structural schematic diagram that crankshaft connects flywheel in background technique；
Fig. 2 is a kind of structural schematic diagram of multi-model crankshaft driving head；
Fig. 3 is the schematic diagram of internal structure of multi-model crankshaft driving head；
Fig. 4 is the side schematic view of multi-model crankshaft driving head；
Appended drawing reference in figure, 1- pilot bushing；2- drive disk, the rear end face of 2.1- drive disk；3- fixes plate washer；4- is fixed
Gasket；5- anti-rotation guide pin；6- drive key；7- push rod spring；8- check ring；9- putter component, 9.1- push rod, 9.1.1- are pushed away
Bar leading portion, 9.1.2- push rod middle section, 9.1.3- push rod latter end, 9.1.4- guide groove, 9.2- ship and resell on another market；10- push rod connecting plate；11-
Buffer spring；12- spring base；13- driving spindle, 13.1- keyway；15- nut；16- pin hole；17- screw hole.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Embodiment 1:
A kind of multi-model crankshaft driving head, as shown in Fig. 2, including driving spindle 13 and the driving being connect with driving spindle
Disk 2, wherein be provided with several axis holes in drive disk 2, a putter component 9 is provided in each axis hole.It should be noted that
The setting of putter component quantity is determined that each putter component is suitable for the crankshaft flange end face of a type by specific operating condition.
In the present embodiment, it is preferably provided with 3 putter components 9.Specifically, putter component 9 includes being axially set in pushing away in drive disk
Bar 9.1 and 9.2 are shipped and resell on another market for be positioned at crankshaft flange end-face hole.Push rod structure of more bars distribution, each on drive disk
Push rod position and push rod end ship and resell on another market position by different model engine crankshaft flange end face hole location the characteristics of for according to
According to.Push rod 9.1 is set in axis hole, and the guiding lining for sealing is provided between push rod 9.1 and the axis hole at drive disk both ends
Set 1.It ships and resell on another market and 9.2 is fixed on push rod end face close to crankshaft flange endface.It ships and resell on another market and falls off in order to prevent, shipping and reselling on another market can be by tight
Gu screw and nut cooperation are fixed on push rod end face.In the present embodiment, there are two 9.2 settings of shipping and reselling on another market of same push rod end face,
And one ship and resell on another market with the fit clearance of pin hole in crankshaft flange end face be less than another ship and resell on another market and screw hole in crankshaft flange end face
Fit clearance.This kind design ensure that insertion crankshaft flange end face it is porous in shipping and reselling on another market for unique pin hole be driving work
, i.e., it is pin hole rather than screw hole for what is driven.Push rod 9.1 include push rod leading portion 9.1.1, push rod middle section 9.1.2 and
Push rod latter end 9.1.3 is equipped on the end face of push rod leading portion 9.1.1 and ships and resell on another market, and push rod leading portion 9.1.1, push rod middle section 9.1.2,
And the diameter of push rod latter end 9.1.3 successively reduces.In the present embodiment, part push rod leading portion 9.1.1 and push rod middle section 9.1.2
Inside drive disk 2.Axial floating mechanism is provided on the 9.1.2 of push rod middle section.When multi-model crankshaft driving head works, push away
Bar 9.1 can make limited flexibility by axial floating mechanism in the axial direction.In the present embodiment, axial floating mechanism includes push rod bullet
Spring 7 and spring washer 8, one end of push rod spring 7 are resisted against the shaft shoulder of push rod middle section 9.1.2, and the other end of push rod spring 7 is logical
Check ring 8 is crossed to be barred from drive disk 2.Driving spindle 13 is connected with push rod connecting plate 10, and push rod latter end 9.1.3 and push rod connect
Fishplate bar 10 connects.Push rod latter end 9.1.3 across push rod connecting plate 10 is connected with nut 15.The setting of nut can be to avoid push rod
It is detached from after axial movement with push rod connecting plate.
In order to enable driving spindle smoothly drive disk to be driven to operate, in the present embodiment, drive disk 2 is internally provided with fixation
Plate washer 3, one end of driving spindle 13 are fixedly connected with fixed plate washer 3, and fixed baffle 3 and drive disk 2 are clamped.In driving spindle 13
It is provided with keyway 13.1, is connected between driving spindle 13 and drive disk 2 by the way that drive key 6, fastening screw and spring washer are fixed
It connects.The driving force that this kind design can satisfy in driving spindle is transferred on drive disk by drive key.
In order to make push rod that can only make axial linear movement, guarantees that the radial position shipped and resell on another market on drive disk remains unchanged, push away
Be provided with guide groove 9.1.4 in 9 axial direction of bar, corresponding to guiding groove location at drive disk 2 on be provided with anti-rotation guide pin hole.This
In embodiment, the position of anti-rotation guide pin hole is arranged on the drive disk corresponding to guide groove end.Anti-rotation guide pin 5 is through anti-rotation
It is inserted into guide groove 9.1.4 after guide pin hole 2.1, limit is additionally provided on drive disk 2 and prevents the setting-up piece 4 to fall off, it is fixed
Gasket 4 is connected in anti-rotation guide pin 5, and setting-up piece 4 is fixed by fastening screw and spring washer and drive disk 2.
In order to drive disk when being advanced into crankshaft flange end face in the completely compressed situation of push rod from impact, driving master
Buffer spring 11 and spring base 12 are arranged on axis, one end of buffer spring 11 is resisted against on the rear end face 2.1 of drive disk, is delayed
The other end for rushing spring 11 is resisted against on spring base 12, and spring base 12 is resisted against on push rod connecting plate 10.
Specific operation process is as follows: after drive shaft rotation, drive shaft power is transferred to drive disk by drive key, drives and drives
Moving plate operating, putter component are operated in drive disk followed by operating, when the drive disk of rotation is advanced crankshaft flange endface,
Putter component looks for the hole location met under drive disk rotation, when putter component encounters inappropriate hole location, has axial floating
The putter component of mechanism is obstructed and occurs axially to move back, when the push rod for meeting type crankshaft flange end face hole location is gone in place,
Under the action of axial floating mechanism, putter component is axially moved to left, and shipping and reselling on another market on push rod end face can be inserted into corresponding hole.Its
In one ship and resell on another market and be inserted into the unique pin hole in crankshaft flange end face, and the driving moment shipped and resell on another market under the rotation of drive disk by this
Drive crank rotation.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (9)
1. a kind of multi-model crankshaft driving head, including driving spindle and the drive disk being connect with driving spindle, it is characterised in that:
It is provided with several axis holes in the drive disk, a putter component is provided in each axis hole, putter component includes axial
It the push rod that is set in drive disk and ships and resell on another market, described ship and resell on another market is fixed on close to the push rod end face of crankshaft flange endface, is located at
Axial floating mechanism is provided on push rod described in axis hole, the driving spindle is connected with push rod connecting plate, and push rod and push rod connect
Fishplate bar connection, when multi-model crankshaft driving head works, push rod makees axial limited flexibility by axial floating mechanism.
2. a kind of multi-model crankshaft driving head according to claim 1, it is characterised in that: the axial floating mechanism includes pushing away
Bar spring and spring washer, one end of the push rod spring are resisted against the shaft shoulder of push rod, and the other end of push rod spring passes through bullet
Spring retaining ring is barred from drive disk.
3. a kind of multi-model crankshaft driving head according to claim 1, it is characterised in that: ship and resell on another market and set described in same push rod end face
There are two setting, and one ship and resell on another market with the fit clearance of pin hole in crankshaft flange end face be less than another ship and resell on another market and crankshaft flange end face
The fit clearance of middle screw hole.
4. a kind of multi-model crankshaft driving head according to claim 1, it is characterised in that: the push rod shaft, which has been set up, to be led
To slot, corresponding to anti-rotation guide pin hole is provided on the drive disk at guiding groove location, anti-rotation guide pin is through anti-rotation guide pin
Guide groove is inserted into behind hole, and anti-rotation guide pin is fixed with drive disk.
5. a kind of multi-model crankshaft driving head according to claim 4, it is characterised in that: be provided with fixation on the drive disk
Gasket, setting-up piece is connected in anti-rotation guide pin, and setting-up piece is fixed by fastener and drive disk.
6. a kind of multi-model crankshaft driving head according to claim 1, it is characterised in that: be arranged in the driving spindle slow
Spring and spring base are rushed, one end of the buffer spring is resisted against on the rear end face of drive disk, and the other end of buffer spring supports
It leans against on spring base, the spring base is resisted against on push rod connecting plate.
7. a kind of multi-model crankshaft driving head according to claim 1, it is characterised in that: axis described in the both ends positioned at drive disk
The pilot bushing for sealing is provided between hole and push rod.
8. a kind of multi-model crankshaft driving head according to claim 1, it is characterised in that: the drive disk is internally provided with solid
Determine plate washer, one end of driving spindle is fixedly connected with fixed plate washer, and keyway, driving spindle and drive disk are provided in driving spindle
Between by driving key connection.
9. a kind of multi-model crankshaft driving head according to claim 1, it is characterised in that: across being pushed away described in push rod connecting plate
Bar one end is connected with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820875607.8U CN208502899U (en) | 2018-06-07 | 2018-06-07 | A kind of multi-model crankshaft driving head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820875607.8U CN208502899U (en) | 2018-06-07 | 2018-06-07 | A kind of multi-model crankshaft driving head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502899U true CN208502899U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820875607.8U Expired - Fee Related CN208502899U (en) | 2018-06-07 | 2018-06-07 | A kind of multi-model crankshaft driving head |
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| Country | Link |
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| CN (1) | CN208502899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961989A (en) * | 2021-02-23 | 2022-08-30 | 北京福田康明斯发动机有限公司 | Engine crankshaft disc headstock and automatic adjusting method thereof |
-
2018
- 2018-06-07 CN CN201820875607.8U patent/CN208502899U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961989A (en) * | 2021-02-23 | 2022-08-30 | 北京福田康明斯发动机有限公司 | Engine crankshaft disc headstock and automatic adjusting method thereof |
| CN114961989B (en) * | 2021-02-23 | 2023-07-25 | 北京福田康明斯发动机有限公司 | Engine crankshaft disc headstock and automatic adjusting method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |