CN106624733A - Press-fitting device for piston pin - Google Patents
Press-fitting device for piston pin Download PDFInfo
- Publication number
- CN106624733A CN106624733A CN201611042166.5A CN201611042166A CN106624733A CN 106624733 A CN106624733 A CN 106624733A CN 201611042166 A CN201611042166 A CN 201611042166A CN 106624733 A CN106624733 A CN 106624733A
- Authority
- CN
- China
- Prior art keywords
- piston pin
- transmission shaft
- press
- pressure head
- power transmission
- 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.)
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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
- B23P19/02—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 for connecting objects by press fit or for detaching same
- B23P19/027—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 for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Abstract
The invention provides a press-fitting device for a piston pin. The press-fitting device comprises a bottom plate, a transmission shaft, a piston pin fixing shaft, a centering pressure head, the piston pin, a drive mechanism and a support rack, wherein the support rack is arranged at one end of the bottom plate and provided with a guide sleeve; one end of the transmission shaft is connected with the drive mechanism, and the other end of the transmission shaft penetrates the central hole of the guide sleeve to be connected with the mounting end of the piston pin fixing shaft in a threaded manner; the central hole is in slide fit with the transmission shaft; the mounting end is provided with blocking protrusion; the connecting end of the piston pin fixing shaft is connected with the centering pressure head in a threaded manner; the piston pin sleeves the piston pin fixing shaft, one end of the piston pin is abutted against the blocking protrusion, and the other end of the piston pin is abutted against the centering pressure head; the press-fitting end of the centering pressure head is of a conical structure; the transmission shaft has a first position and a second position. The press-fitting device has the advantages that the labor intensity of operators can be lowered effectively, and good assembling quality of the piston pin can be achieved.
Description
Technical field
The present invention relates to engine assembly technical field, and in particular to a kind of press fitting of piston pin device.
Background technology
In prior art when piston pin is assembled, typically operating personnel are beaten manually with hammer, and realize piston
Pin with piston on pin-and-hole and piston rod on connecting rod small end hole assembling so that the labour intensity of operating personnel compared with
Greatly, so cause its efficiency of assembling it is relatively low.Meanwhile, the assembly precision of this kind of mode is wayward, so as to be easier to so that piston
The assembling of pin is second-rate.
The content of the invention
It is an object of the invention to provide a kind of press fitting of piston pin device, to solve prior art in operating personnel work it is strong
Degree is larger, the second-rate problem of assembling of piston pin.
For achieving the above object, the invention provides following technical scheme：
A kind of press fitting of piston pin device, it includes base plate, power transmission shaft, piston pin fixing axle, centering pressure head, piston pin, use
In the support for driving the power transmission shaft drive mechanism moved back and forth along its axial direction and the one end for being arranged on the base plate
Frame, is provided with fairlead on support frame as described above；One end of the power transmission shaft is connected with the drive mechanism, the power transmission shaft it is another
One end is threadedly coupled through the centre bore of the fairlead with the installation end of the piston pin fixing axle；The centre bore with it is described
Propeller shaft slip coordinates；Gear is provided with the installation end connect projection；The connection end of the piston pin fixing axle and the centering
Pressure head is threadedly coupled；The piston pin is sleeved in the piston pin fixing axle, and one end of the piston pin connects convex with the gear
Rise and abut against, the other end of the piston pin is abutted against with the centering pressure head；Tie for taper at the end that press-fits of the centering pressure head
Structure；The power transmission shaft has first position and the second place.
Preferably, the one end on the base plate away from support frame as described above is vertically installed with riser, is provided with the riser
The stop collar corresponding with the centering pressure head；There is the axial hole for press-fiting end described in accommodating on the stop collar.
Preferably, external screw thread is provided with the stop collar, is provided with what is be engaged with the external screw thread on the riser
Screwed hole.
Preferably, it also includes on reinforcing plate, one end of the reinforcing plate and the riser away from the centering pressure head
Side is connected, and the other end of the reinforcing plate is connected with the base plate.
Preferably, support frame as described above includes two gripper shoes and two fixed plates, and gripper shoe described in two is oppositely arranged on the bottom
The both sides of plate, two fixed plates are oppositely arranged in gripper shoe described in two side away from the base plate；The both sides of the fairlead
It is connected with fixed plate described in two respectively.
Preferably, the drive mechanism be arranged in parallel including kinematic link and the power transmission shaft cross bar and be arranged on
Flexible force piece on the transverse slat, the transverse slat is vertically connected with the riser；The base plate described in two between gripper shoe
On be provided with connecting plate, the first end of the kinematic link is rotated with the connecting plate by rotary shaft and is connected；The transmission connects
Second end of bar is provided with the first strip slide opening, and the second strip cunning is additionally provided between the first end and second end
Hole；The telescopic end of the flexible force piece is provided with first rotating shaft, and the first rotating shaft is slided with the first strip slide opening
Coordinate；One end on the power transmission shaft away from the centering pressure head is provided with the second rotating shaft, second rotating shaft and described second
Strip slide opening is slidably matched.
Preferably, the flexible force piece is hydraulic cylinder, is provided with the hydraulic control oil circuit of the hydraulic cylinder for controlling
The electro hydraulic valve of fluid pressure processed and fluid flow.
Preferably, it is provided with the through hole corresponding with the connecting plate in the gripper shoe.
Preferably, the telescopic end is provided with U-shaped support, the two ends of the first rotating shaft respectively with the U-shaped support
Two side is connected, and the first end is located in the opening of the U-shaped support；Away from the one of the centering pressure head on the power transmission shaft
End is provided with U-shaped fixed mount, and the two ends of second rotating shaft are connected respectively with the biside plate of the U-shaped fixed mount, and described second
Strip slide opening is located at described in two between side plate.
Preferably, the gear connects the confined planes being provided with projection for abutting against with piston.
The beneficial effects of the present invention is：
The press fitting of piston pin device of the present invention, it by fixture fixed piston and the relative position of connecting rod, makes when in use
Pin-and-hole is corresponding with connecting rod small end hole；Then again by drive mechanism drive power transmission shaft axially move right along fairlead so that
The end that press-fits of centering pressure head contacts with pin-and-hole, connecting rod small end hole, because this press-fits end for pyramidal structure so that it can be with pin
Hole and connecting rod small end hole realize that automatic centering is positioned；Then, power transmission shaft continues to move right and drives positioned at piston pin fixing axle
On piston pin be smoothly pressed into pin-and-hole and connecting rod small end hole, until press fitting of piston pin is completed.The press fitting of piston pin of the present invention
Device, preferably eliminate piston pin manually press-fits process, so as to significantly reduce the labour intensity of operating personnel, significantly
Improve efficiency of assembling；Meanwhile, its press-fit end can automatic centering positioning, so as to preferably improve piston pin assembling essence
Degree, and then cause the assembling quality of piston pin preferable.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, and it is further specifically to the specific embodiment work of the present invention to combine accompanying drawing
It is bright, wherein
Fig. 1 is the schematic diagram of press fitting of piston pin device provided in an embodiment of the present invention；
Fig. 2 is another schematic diagram of press fitting of piston pin device provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of rack body provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of piston pin frock provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of power transmission shaft provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of kinematic link provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram after the completion of press fitting of piston pin provided in an embodiment of the present invention.
Mark in accompanying drawing：
11st, base plate 12, riser 13, reinforcing plate 14, transverse slat 21, gripper shoe
22nd, fixed plate 31, power transmission shaft 32, U-shaped fixed mount 33, the second rotating shaft
41st, fairlead 51, gear connect raised 52, press-fit end 61, hydraulic cylinder 62, tappet
63rd, U-shaped support 64, first rotating shaft 71, piston 72, connecting rod 73, piston pin
81st, kinematic link 82, connecting plate 83, rotary shaft 84, the first strip slide opening
85th, first end 86, the second strip slide opening 91, stop collar 92, annular stop are raised
Specific embodiment
In order that those skilled in the art more fully understand technical scheme, below in conjunction with specific embodiment pair
This programme is further discussed in detail.
As shown in Figures 1 to 7, a kind of press fitting of piston pin device is embodiments provided, it includes base plate 11, transmission
Axle 31, piston pin fixing axle, centering pressure head, piston pin 73, the drive for driving power transmission shaft 31 to move back and forth along its axial direction
Motivation structure and be arranged on base plate 11 one end bracing frame, fairlead 41 is provided with bracing frame；One end of power transmission shaft 31 with
Drive mechanism is connected, and the other end of power transmission shaft 31 connects through the centre bore of fairlead 41 and the installation end screw thread of piston pin fixing axle
Connect；Centre bore is slidably matched with power transmission shaft 31；Gear is provided with installation end and connects raised 51；The connection end of piston pin fixing axle with it is right
Middle pressure head threaded connection；Piston pin 73 is sleeved in piston pin fixing axle, and one end and the gear of piston pin 73 connect raised 51 and abut against,
The other end of piston pin 73 is abutted against with centering pressure head；The end 52 that press-fits of centering pressure head is pyramidal structure；Power transmission shaft 31 has the
One position and the second place.It is understood that the first position of power transmission shaft 31, as power transmission shaft 31 are being not affected by drive mechanism
During driving, the end 52 that press-fits of centering pressure head is in when state is press-fited, the location of power transmission shaft 31；The second of power transmission shaft 31
Put, as power transmission shaft 31 drives centering pressure head to complete press-fiting after work to piston pin 73 after the driving of mechanism is driven,
The location of power transmission shaft 31；Piston pin fixing axle, piston pin 31 and centering pressure head may be constructed piston pin frock；Can be with root
According to different types of piston pin 31, corresponding piston pin fixing axle and centering pressure head are designed, constitute each species piston pin 31 special
Piston pin frock.
Press fitting of piston pin device provided in an embodiment of the present invention, its when in use, by fixture fixed piston 71 and connecting rod
72 relative position, makes pin-and-hole corresponding with connecting rod small end hole；Then again by drive mechanism driving power transmission shaft 31 along fairlead
41 axial direction moves right so that the end 52 that press-fits of centering pressure head contacts with pin-and-hole, connecting rod small end hole, because this press-fits end 54
For pyramidal structure so that it can realize that automatic centering is positioned with pin-and-hole and connecting rod small end hole；Then, power transmission shaft 31 continues to the right
Motion, and drive the piston pin 73 in piston pin fixing axle to be smoothly pressed into pin-and-hole and connecting rod small end hole, until piston
Pin 73 press-fits and completes.The press fitting of piston pin device of the present invention, preferably eliminate piston pin 73 manually press-fits process, so as to
The labour intensity of operating personnel is enough significantly reduced, efficiency of assembling is greatly increased；Meanwhile, it press-fits end 52 can be automatic
Centering is positioned, and so as to preferably improve the assembly precision of piston pin 73, and then causes the assembling quality of piston pin 73 preferable.
As depicted in figs. 1 and 2, in another embodiment that the present invention is provided, the one end on base plate 11 away from bracing frame can
To be vertically installed with riser 12, the stop collar 91 corresponding with centering pressure head is provided with riser 12；Have on stop collar 91 and hold
Receive and press-fit the axial hole for holding 52.Now just with hand-held piston 71 and connecting rod 72, and the pin-and-hole of piston 71 and the company of connecting rod 72 can be made
The little head bore of bar is simply aligned, and then the one side of piston 71 is close on stop collar 91 into the end face near the one end for press-fiting end 52
On, can then start that drive mechanism carries out piston pin 73 press-fits work.Because the end 52 that press-fits of pyramidal structure has preferably
Ground automatic centering positioning function, and stop collar 91 can carry out preferably spacing with piston 71, therefore this kind of press-fit approach also can
Preferably ensure assembly precision；Meanwhile, it preferably saves de-chucking during the press-fiting of piston pin 73, so that piston pin
73 press-fit is more convenient, and then greatly increases the efficiency of assembling of piston pin 73.It is understood that stop collar 91
The upper annular stop projection 92 that can be provided near the side for press-fiting end 52 for abutting against with piston 71, so as to effectively increase
Big fitting area between stop collar 91 and piston 71, and then can be during the press-fiting of piston pin 73 preferably to piston
71 carry out it is spacing.
Further, external screw thread can be provided with stop collar 91, the spiral shell being engaged with external screw thread is provided with riser 12
Pit, so as to conveniently realize the connection between stop collar 91 and riser 12, it is also possible to easily carry out more to stop collar 91
Change and keep in repair；Meanwhile, rotary stopper set 91 just can be to the end face and riser 12 on stop collar 91 near the one end for press-fiting end 52
The distance between be adjusted so that the stop collar 91 can be applied to different types of piston pin 73 press-fit work
In, and then cause the scope of application of the press fitting of piston pin device relatively broad.
In order to preferably improve the bonding strength between riser 12 and base plate 11, the press fitting of piston pin device is improved
Reliability, the press fitting of piston pin device can also include reinforcing plate 13, away from centering pressure on one end of reinforcing plate 13 and riser 12
The side of head is connected, and the other end of reinforcing plate 13 is connected with base plate 11.
Specifically, bracing frame can include two gripper shoes 21 and two fixed plates 22, and two gripper shoes 21 are oppositely arranged on base plate
Both sides, two fixed plates 22 are oppositely arranged in two gripper shoes 21 away from the side of base plate 11；The both sides of fairlead 41 respectively with
Two fixed plates 22 are connected.Now the structure of bracing frame is relatively simple, while the bracing frame can also be consolidated to fairlead 41
It is reliable to support so that the reliability of the press fitting of piston pin device is higher.
As shown in Figure 2 and Figure 6, the present invention provide another embodiment in, drive mechanism can include kinematic link 81,
The cross bar 14 be arrangeding in parallel with power transmission shaft 31 and the flexible force piece being arranged on transverse slat 14, transverse slat 14 and the vertical phase of riser 12
Even；Be provided with connecting plate 82 on base plate 11 between two gripper shoes 21, the first end 85 of kinematic link 81 by rotary shaft 83 with
Connecting plate 82 rotates connection；Second end of kinematic link 81 is provided with the first strip slide opening 84, between first end and the second end
It is additionally provided with the second strip slide opening 86；The telescopic end of flexible force piece is provided with first rotating shaft 64, first rotating shaft 64 and first
Strip slide opening 84 is slidably matched；One end on power transmission shaft 31 away from centering pressure head is provided with the second rotating shaft 33, the second rotating shaft 33
It is slidably matched with the second strip slide opening 86.Now the drive to power transmission shaft 31 can be realized as by relatively simple drive mechanism
It is dynamic, while the reliability of the drive mechanism is higher, and keep in repair also more convenient.It is understood that telescopic end is near flexible
When the direction of force piece is moved, by first rotating shaft 64 kinematic link 81 can be driven to be rotated clockwise around rotary shaft 83,
And drive power transmission shaft 31 to move right by the second rotating shaft 33, until complete piston pin 73 press-fits work, while first rotating shaft
64 and second rotating shaft 33 respectively in the first strip slide opening 84 and the second strip slide opening 86 slide；The flexible force piece can be with
For cylinder, hydraulic cylinder 61 etc.；Transverse slat 14, riser 12, base plate 11, gripper shoe 21, connecting plate 82 and reinforcing plate 13 may be constructed
Rack body.
Further, flexible force piece can be hydraulic cylinder 61, be provided with the hydraulic control oil circuit of hydraulic cylinder 61 for
The electro hydraulic valve of control fluid pressure and fluid flow.So fluid pressure can just be efficiently controlled by electro hydraulic valve
And fluid flow, so as to efficiently control the feed speed of the tappet 62 of hydraulic cylinder 61, and the centering that the control present invention is provided
The pressure value of pressure head, and then the generation of the phenomenons such as crushing parts can be effectively prevented from.It is understood that tappet now
62 are telescopic end.
In order to cause the installation between kinematic link 81 and connecting plate 82 more convenient, can arrange in gripper shoe 21
There is the through hole corresponding with connecting plate 82.Preferably, the number of connecting plate 82 is two, and two connecting plates 82 are oppositely arranged on base plate
On 11, the two ends of rotary shaft 83 are connected respectively with two connecting plates 82, the first end of kinematic link 81 be located at two connecting plates 82 it
Between rotary shaft 83 rotate connection so that the connection reliability between kinematic link 81 and connecting plate 82 is higher.
As shown in Figure 2 and Figure 5, telescopic end can be provided with U-shaped support 63, the two ends of first rotating shaft 64 respectively with U-shaped
The two side of frame 63 is connected, and first end is located in the opening of U-shaped support 63；One end on power transmission shaft 31 away from centering pressure head can be with
U-shaped fixed mount 32 is provided with, the two ends of the second rotating shaft 33 are connected respectively with the biside plate of U-shaped fixed mount 32, the second strip is slided
Hole 86 is located between biside plate such that it is able to so that the connection between telescopic end, power transmission shaft 31 and kinematic link 81 is more firm
Gu it is reliable, and then the reliability of the drive mechanism is improved.
Specifically, gear connects the confined planes that can be provided with raised 51 for abutting against with piston 71 such that it is able to preferably
Avoid piston pin 73 from excessively being press-fited, and then improve piston pin 73 press-fit precision so that the assembling quality of piston pin 73
More preferably.It is understood that when the confined planes are abutted against with piston 71, that is, completing the work that press-fits of piston pin 73, now it is driven
Axle 31 is in the second place；It can be annular protrusion that the gear connects raised 51, and the confined planes can be on the annular protrusion
Ring surface, so that it has preferably limit effect.
The process that generally uses of press fitting of piston pin device provided in an embodiment of the present invention is：Piston pin frock is passed through into piston
Pin fixing axle is attached on power transmission shaft 31；Hand-held piston 71 and connecting rod 72, and make the pin-and-hole of piston 71 and the small end of connecting rod of connecting rod 72
Hole simply aligns, and then the one side of piston 71 is close on stop collar 91 on the end face of one end for press-fiting end 52；Then
Hydraulic cylinder 61 can be started, the tappet 62 of hydraulic cylinder 61 will be moved right, and drive kinematic link 81 by first rotating shaft 64
Turned clockwise around rotary shaft 83, and by the second rotating shaft 33 drive power transmission shaft 31 move right, piston pin fixing axle with
Move right so that the end 52 that press-fits of centering pressure head realizes that automatic centering is positioned with pin-and-hole and connecting rod small end hole, subsequently guiding
It is sleeved on the piston pin 73 in piston pin fixing axle to be smoothly pressed into pin-and-hole and connecting rod small end hole, until confined planes and piston 71
Abut against, now power transmission shaft 31 is in the second place, that is, complete piston pin 73 press-fits work；After the completion of press-fiting, hydraulic pressure is controlled
Cylinder 61 drives tappet 62 to move to the direction away from hydraulic cylinder 61, and drives kinematic link 81 to be turned counterclockwise around rotary shaft 83
Dynamic, power transmission shaft 31, to left movement, until power transmission shaft 31 moves to first position, stops hydraulic cylinder 61, by piston along fairlead 41
71st, connecting rod 72 and piston pin frock are together unloaded from power transmission shaft 31, then centering pressure head is pulled down from piston pin fixing axle i.e.
Can.
The above is only the preferred embodiment of the present invention, it should be pointed out that these embodiments are merely to illustrate this
Invention rather than restriction the scope of the present invention, and, after present disclosure has been read, relevant technical staff in the field
Various changes or modification can be made to the present invention, these equivalent form of values equally fall into the application appended claims and limited
Scope.
Claims (10)
1. a kind of press fitting of piston pin device, it is characterised in that it include base plate, power transmission shaft, piston pin fixing axle, centering pressure head,
Piston pin, for the drive mechanism that drives the power transmission shaft to move back and forth along its axial direction and it is arranged on the one of the base plate
The bracing frame at end, is provided with fairlead on support frame as described above；One end of the power transmission shaft is connected with the drive mechanism, the biography
The other end of moving axis is threadedly coupled through the centre bore of the fairlead with the installation end of the piston pin fixing axle；The center
Hole coordinates with the propeller shaft slip；Gear is provided with the installation end connect projection；The connection end of the piston pin fixing axle with
The centering pressure head threaded connection；The piston pin is sleeved in the piston pin fixing axle, one end of the piston pin and institute
State gear and connect projection and abut against, the other end of the piston pin is abutted against with the centering pressure head；The centering pressure head press-fits end
For pyramidal structure；The power transmission shaft has first position and the second place.
2. press fitting of piston pin device according to claim 1, it is characterised in that away from support frame as described above on the base plate
One end is vertically installed with riser, and the stop collar corresponding with the centering pressure head is provided with the riser；On the stop collar
With the axial hole for press-fiting end described in receiving.
3. press fitting of piston pin device according to claim 2, it is characterised in that be provided with external screw thread on the stop collar,
The screwed hole being engaged with the external screw thread is provided with the riser.
4. press fitting of piston pin device according to claim 2, it is characterised in that it also includes reinforcing plate, the reinforcing plate
One end be connected away from the side of the centering pressure head with the riser, the other end of the reinforcing plate and the base plate phase
Even.
5. press fitting of piston pin device according to claim 2, it is characterised in that support frame as described above includes two gripper shoes and two
Fixed plate, gripper shoe described in two is oppositely arranged on the both sides of the base plate, and two fixed plates are oppositely arranged in gripper shoe described in two
Away from the side of the base plate；The both sides of the fairlead are connected respectively with fixed plate described in two.
6. press fitting of piston pin device according to claim 5, it is characterised in that the drive mechanism include kinematic link,
The cross bar be arrangeding in parallel with the power transmission shaft and the flexible force piece being arranged on the transverse slat, the transverse slat and the riser
It is vertically connected；Connecting plate is provided with the base plate described in two between gripper shoe, the first end of the kinematic link is by rotation
Rotating shaft is rotated with the connecting plate and is connected；Second end of the kinematic link is provided with the first strip slide opening, the first end
The second strip slide opening is additionally provided between second end；The telescopic end of the flexible force piece is provided with first rotating shaft,
The first rotating shaft is slidably matched with the first strip slide opening；One end on the power transmission shaft away from the centering pressure head sets
The second rotating shaft is equipped with, second rotating shaft is slidably matched with the second strip slide opening.
7. press fitting of piston pin device according to claim 6, it is characterised in that the flexible force piece is hydraulic cylinder, institute
The electro hydraulic valve for controlling fluid pressure and fluid flow is provided with the hydraulic control oil circuit for stating hydraulic cylinder.
8. press fitting of piston pin device according to claim 6, it is characterised in that be provided with the gripper shoe and the company
The corresponding through hole of fishplate bar.
9. press fitting of piston pin device according to claim 6, it is characterised in that the telescopic end is provided with U-shaped support, institute
The two ends for stating first rotating shaft are connected respectively with the two side of the U-shaped support, and the first end is located at the opening of the U-shaped support
In；One end on the power transmission shaft away from the centering pressure head is provided with U-shaped fixed mount, the two ends of second rotating shaft respectively with
The biside plate of the U-shaped fixed mount is connected, and the second strip slide opening is located at described in two between side plate.
10. the press fitting of piston pin device according to any one of claim 1 to 9, it is characterised in that the gear connects and set in projection
It is equipped with the confined planes for abutting against with piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611042166.5A CN106624733B (en) | 2016-11-23 | 2016-11-23 | A kind of press fitting of piston pin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611042166.5A CN106624733B (en) | 2016-11-23 | 2016-11-23 | A kind of press fitting of piston pin device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106624733A true CN106624733A (en) | 2017-05-10 |
| CN106624733B CN106624733B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611042166.5A Active CN106624733B (en) | 2016-11-23 | 2016-11-23 | A kind of press fitting of piston pin device |
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| CN (1) | CN106624733B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175942A (en) * | 2018-11-15 | 2019-01-11 | 大连德欣新技术工程有限公司 | Piston rod assembling apparatus |
| CN109759985A (en) * | 2018-12-29 | 2019-05-17 | 三一汽车制造有限公司 | Concrete piston dismantling device |
| CN110587270A (en) * | 2019-09-26 | 2019-12-20 | 天永机械电子（太仓）有限公司 | Piston pin press-fitting device |
| CN110936139A (en) * | 2019-12-18 | 2020-03-31 | 瑞安市瑞海机电有限公司 | Ball bearing is with demolising device |
| CN113732664A (en) * | 2021-08-17 | 2021-12-03 | 重庆吉伶机械配件有限公司 | A press dismouting to be put for new energy automobile hybrid engine piston pin |
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| WO2016019778A1 (en) * | 2014-08-08 | 2016-02-11 | 江苏蒙哥马利电梯有限公司 | Vertical locating device for masonry and assembling method therefor |
| CN106112478A (en) * | 2016-07-19 | 2016-11-16 | 芜湖哈特机器人产业技术研究院有限公司 | EPB centrepin press-fitting tool |
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| CN109175942A (en) * | 2018-11-15 | 2019-01-11 | 大连德欣新技术工程有限公司 | Piston rod assembling apparatus |
| CN109759985A (en) * | 2018-12-29 | 2019-05-17 | 三一汽车制造有限公司 | Concrete piston dismantling device |
| CN109759985B (en) * | 2018-12-29 | 2024-02-27 | 三一汽车制造有限公司 | Concrete piston dismounting tool |
| CN110587270A (en) * | 2019-09-26 | 2019-12-20 | 天永机械电子（太仓）有限公司 | Piston pin press-fitting device |
| CN110936139A (en) * | 2019-12-18 | 2020-03-31 | 瑞安市瑞海机电有限公司 | Ball bearing is with demolising device |
| CN113732664A (en) * | 2021-08-17 | 2021-12-03 | 重庆吉伶机械配件有限公司 | A press dismouting to be put for new energy automobile hybrid engine piston pin |
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