CN107654443A - Telescopic hydraulic makes concentric mechanism by oneself - Google Patents
Telescopic hydraulic makes concentric mechanism by oneself Download PDFInfo
- Publication number
- CN107654443A CN107654443A CN201710746064.XA CN201710746064A CN107654443A CN 107654443 A CN107654443 A CN 107654443A CN 201710746064 A CN201710746064 A CN 201710746064A CN 107654443 A CN107654443 A CN 107654443A
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- Prior art keywords
- cylinder body
- fluid port
- hydraulic fluid
- upper cylinder
- section
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 239000012530 fluid Substances 0.000 claims abstract description 60
- 239000007937 lozenge Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000006978 adaptation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The present invention relates to a kind of telescopic hydraulic to make concentric mechanism by oneself.It includes upper cylinder body and upper end cover.There is first piston in upper cylinder body, circumferentially there is lozenges first piston upper end.Circumferentially there is slide opening upper cylinder body upper end, has slide head in slide opening.Slide head inner end is tapered end, and is adapted with lozenges.Slide head outer end is connected with positioning head.There is the first hydraulic fluid port on upper cylinder body cylinder bottom.Stretch section under being characterized in upper cylinder body lower end and having, upper cylinder body and under stretch outside section and have lower cylinder body, a section lower end is stretched under described circumferential chimb, is slidably matched between circumferential chimb and the lower cylinder body inner circle in sealing shape.Lower cylinder body lower end has and has the second hydraulic fluid port and the 3rd hydraulic fluid port described in bottom end cover on lower cylinder body, and the second hydraulic fluid port connects with the second spacing.3rd hydraulic fluid port connects with the first hydraulic fluid port on the cylinder bottom of upper cylinder body.Using the present invention, not only positioning precision height, the connecting rod quality processed are good, and clamping gets up to facilitate, production efficiency is high.Positioning during head bore processing large and small suitable for automobile connecting bar.
Description
Technical field
The present invention relates to a kind of automobile connecting bar detent mechanism.Specifically, it is that the big end hole of automobile connecting bar and small head bore are entered
The telescopic hydraulic that row right boring is positioned when processing makes concentric mechanism by oneself.
Background technology
Both known about in automobile connecting bar processing industry, connecting rod is the critical piece of engine assembly.At present, to automobile connecting bar
Big end hole and the right boring locating and machining of small head bore mainly have following two modes：
A kind of is to use to carry out profile positioning to the blank of connecting rod.Because the connecting rod blank profile of forging is coarse, tolerance dimension compared with
Greatly, not only positioning precision is low, and the connecting rod quality processed is poor；
Another kind is that connecting rod is positioned using hydraulic self-centering mechanism.Hydraulic self-centering mechanism therein includes cylinder body,
There is end cap cylinder body upper end, there is piston in cylinder body, and piston upper end is tapering point, and the circumference of tapering point is evenly equipped with lozenges, inoperative
Under state spacing is left between the tapering point and end cap.The circumference of cylinder body upper end is evenly equipped with slide opening, there is slide head and two in slide opening
It is in be slidably matched between person.Slide head inner end is tapered end, and tapered end lozenges corresponding to piston upper end is adapted.It is sliding
Dynamic head outer end is connected with positioning head.There is hydraulic fluid port on the cylinder bottom of cylinder body.During work, this hydraulic self-centering mechanism is first placed in workbench
On, and it is big its upper end is stretched into processed connecting rod（It is small）In head bore, recycle hydraulic station to be filled with hydraulic oil into hydraulic fluid port, make work
Rise beyond the Great Wall, and then drive slide head protruding by the tapering point of piston upper end and the tapered end of slide head inner end, until making
The positioning head being connected with slide head outer end tightly withstands the big of processed connecting rod（It is small）Head bore inwall, it is achieved thereby that connecting to automobile
Bar it is big（It is small）Positioning when head bore right boring is processed.Although the big of automobile connecting bar can be realized using this hydraulic self-centering mechanism
（It is small）Positioning when head bore right boring is processed, but lifting body need to be configured below this hydraulic self-centering mechanism during use, so as to
Drive this hydraulic self-centering mechanism to carry out lift adjustment, its upper end is reached processed automobile connecting bar big（It is small）In head bore.
, need to also be in this hydraulic self-centering machine due to being positioned using this hydraulic self-centering mechanism to processed automobile connecting bar
, it is necessary to Liang Tao mechanisms, clamping gets up cumbersome, low production efficiency configuration lifting body below structure.
The content of the invention
The problem to be solved in the present invention is to provide a kind of telescopic hydraulic and makes concentric mechanism by oneself.Using this telescopic hydraulic certainly
Centering machine positions to automobile connecting bar, and not only positioning precision is high, the connecting rod quality that processes is good, moreover, clamping gets up
Convenient, production efficiency height.
The invention solves above mentioned problem realized by following technical scheme：
The telescopic hydraulic of the present invention, which makes concentric mechanism by oneself, includes upper cylinder body, and there is upper end cover upper cylinder body upper end.Have first in upper cylinder body
Piston, first piston upper end are tapering point, and the circumference of tapering point is evenly equipped with lozenges, under off working state the tapering point with it is upper
The first spacing is left between end cap.The circumference of upper cylinder body upper end is evenly equipped with slide opening, have in slide opening slide head and the two between match somebody with somebody in slip
Close.Slide head inner end is tapered end, and tapered end lozenges corresponding to first piston upper end is adapted.Slide head outer end
It is connected with positioning head.There is the first hydraulic fluid port on the cylinder bottom of upper cylinder body.It is characterized in that there is integral be used as upper cylinder body lower end
Stretch section under second piston, upper cylinder body and under stretch and have lower cylinder body outside section, lower cylinder body upper end inner circle and upper cylinder body it is cylindrical between in close
Shape is sealed to coordinate, the lower end of section is stretched under described circumferential chimb, is slidably matched between circumferential chimb and the lower cylinder body inner circle in sealing shape,
So that the 4th spacing of formation between section and lower cylinder body is stretched under on circumferential chimb.Lower cylinder body lower end have bottom end cover and the two between be in
Shape is sealed to coordinate.Bottom end cover and it is described under stretch between section lower end and have the second spacing, have the second hydraulic fluid port and the 3rd oil on the lower cylinder body
Mouthful, the second hydraulic fluid port connects with the second spacing.3rd hydraulic fluid port connects with the first hydraulic fluid port on the cylinder bottom of upper cylinder body.
Further improvement of the present invention scheme is, with the lower cylinder body of the cylinder bottom corresponding position of upper cylinder body it is cylindrical on have radial convex
Side, second hydraulic fluid port and the 3rd hydraulic fluid port point are located at the offside of radial direction chimb.
Further improvement of the present invention scheme is that have the first oilhole on lower cylinder body, and the second hydraulic fluid port passes through the first oilhole and
Two spacing communicate.
Further improvement of the present invention scheme is that have the 4th hydraulic fluid port on radial direction chimb, and the 4th hydraulic fluid port passes through the second radial hole
Connected with the 4th spacing.
The further improvement project of the present invention is to stretch the lower end of section under described to have axial blind hole, the bottom end cover inner side
Have on face be adapted to axial blind hole on stretch section, above stretch the axial hole that Duan Shangyou is used as the second oilhole, have radial hole on bottom end cover,
Have the axial hole as the 3rd oilhole on lower cylinder body corresponding with the 3rd hydraulic fluid port, the first hydraulic fluid port on the first cylinder body cylinder bottom according to
It is secondary by above stretching the second oilhole in section, the 3rd oilhole on radial hole and lower cylinder body on lower cylinder cap connects with the 3rd hydraulic fluid port.
It is to automobile connecting bar to make concentric mechanism by oneself due to the telescopic hydraulic of the use present invention it can be seen from above scheme
Large and small head bore is positioned, and compared with background technology, the blank shape for becoming traditional is positioned as to big（It is small）Head bore is positioned,
So as to improve positioning precision and crudy.Again because there is the integral second piston that is used as upper cylinder body lower end
Under stretch section, upper cylinder body and under stretch and have lower cylinder body outside section, lower cylinder body upper end inner circle and upper cylinder body it is cylindrical between coordinate in sealing shape, institute
Stating down the lower end for stretching section has circumferential chimb, is slidably matched between circumferential chimb and the lower cylinder body inner circle in sealing shape, so as in circumference
The 4th spacing of formation between section and lower cylinder body is stretched under on chimb.Lower cylinder body lower end have bottom end cover and the two between in sealing shape match somebody with somebody
Close.Bottom end cover and it is described under stretch between section lower end and have the second spacing, have the second hydraulic fluid port and the 3rd hydraulic fluid port, the second oil on the lower cylinder body
Mouth connects with the second spacing.3rd hydraulic fluid port connects with the first hydraulic fluid port on the cylinder bottom of upper cylinder body.During work, by hydraulic workstation
It is oil-filled into the second spacing, can promote down stretch section, stretch under the upper cylinder body, first piston that section is connected as a single entity together with rise, make
It is big that cylinder body upper end enters processed automobile connecting bar（It is small）In head bore.Pass through the first warp-wise hole, the second oilhole and the first hydraulic fluid port again
It is oil-filled into upper cylinder body, promote first piston to rise, make slide head overhanging, and then make the positioning head outer end that is connected with slide head tight
Press closer and be processed the big of connecting rod（It is small）Head bore inwall, it is achieved thereby that to the big of automobile connecting bar（It is small）When head bore right boring is processed
Positioning.As can be seen here, the present invention instead of traditional oil cylinder and lifting body by a set of mechanism so that clamping gets up comparison side
Just, so as to substantially increasing production efficiency.
Brief description of the drawings
The telescopic hydraulic that Fig. 1 is the present invention makes concentric mechanism schematic top plan view by oneself；
Fig. 2 is Fig. 1 A-A schematic cross-sectional views；
Fig. 3 is Fig. 1 B-B schematic cross-sectional views（It is rotated by 90 ° to the right）；
Fig. 4 is Fig. 1 C-C schematic cross-sectional views；
The telescopic hydraulic that Fig. 5 is the present invention makes concentric mechanism and processed automobile connecting bar mated condition figure by oneself.
Embodiment
The present invention is described in further details below in conjunction with drawings and examples：
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, telescopic hydraulic of the invention, which makes concentric mechanism by oneself, includes upper cylinder body 11, upper cylinder body 11
Upper end is provided with upper end cover 8, and upper end cover 8 is fixed on the upper end of upper cylinder body 11 by screw 81.First is provided with upper cylinder body 11
Piston 5, section diameter, the hypomere of first piston 5 are cylindrical between the inner circle of upper cylinder body 11 thereon greatly for the hypomere diameter of first piston 5
Coordinate in sealing shape activity.The epimere of first piston 5 is cased with inner sleeve 22, the inner circle of inner sleeve 22 and it is cylindrical respectively with first piston 5
Cylindrical and upper cylinder body 11 epimere inner circle between in sealing shape be slidably matched, and the lower end of inner sleeve 22 with it is intersegmental under first piston 5
Leave the 3rd spacing 21.
The upper end of first piston 5 is tapering point, and the circumference of tapering point is evenly equipped with three lozenges.It is described under off working state
The first spacing 9 is left between tapering point and upper end cover 8.The circumference of the upper end of upper cylinder body 11 is evenly equipped with three slide openings, and the slide opening is indulged
To longitudinally perpendicular with first piston 5, slide head 6 is provided with slide opening, and match somebody with somebody between slide head 6 and corresponding slide opening in slip
Close.The inner end of slide head 6 is tapered end, and the tapered end is adapted to the corresponding lozenges of the upper end of first piston 5.Slide head 6
Outer end is provided with positioning head 7, and the outer end of slide head 6 is machined with screw, and the inner end of positioning head 7 is threaded, and the inner end of positioning head 7 screws in
In the screw of the corresponding outer end of slide head 6.The first hydraulic fluid port 10 is machined with the cylinder bottom of upper cylinder body 11.
The lower end of upper cylinder body 11 be machined with it is integral be used as stretching section 13 under second piston, upper cylinder body 11 and under
Stretch the outside of section 13 and be provided with lower cylinder body 2, the upper end inner circle of lower cylinder body 2 and upper cylinder body 11 it is cylindrical between linked together in sealing shape.Institute
State down and stretch the lower end of section 13 and be machined with the first circumferential chimb 31, slided between the first circumferential chimb 31 and lower cylinder body 2 inner circle in sealing shape
It is dynamic to coordinate, so as to stretch the 4th spacing 24 of formation between section 13 and lower cylinder body 2 under on the first circumferential chimb 31.Under lower cylinder body 2
End is fixed with bottom end cover 1 by screw, and coordinates between the lower end of lower cylinder body 2 and bottom end cover 2 in sealing shape.Bottom end cover 1 with it is described under
Stretch and leave the second spacing 15 between the lower end of section 13.See Fig. 3, the second hydraulic fluid port 4 and the 3rd hydraulic fluid port 17, the second oil are machined with lower cylinder body 2
Mouth 4 connects with the second spacing 15.Wherein, the first oilhole 3 is machined with the perpendicular direction of lower cylinder body 2, second hydraulic fluid port 4 passes through
One oilhole 3 communicates with the second spacing 15.3rd hydraulic fluid port 17 connects with the first hydraulic fluid port 10 on the cylinder bottom of upper cylinder body 11.Wherein, with
Radial direction chimb 12, the hydraulic fluid port 17 of the second hydraulic fluid port 4 and the 3rd are machined with the lower cylinder body 2 of the cylinder bottom corresponding position of upper cylinder body 11 is cylindrical
Divide the offside positioned at radial direction chimb 12.
See Fig. 1 and Fig. 2, the 4th hydraulic fluid port 30 is machined with the radial direction chimb 12, the 4th hydraulic fluid port 30 passes through the second radial hole
23 connect with the 4th spacing 24.
See Fig. 2, Fig. 3 and Fig. 5, the lower end that section 13 is stretched under described is machined with axial blind hole 18, on the medial surface of bottom end cover 1
Be machined be adapted to axial blind hole 18 on stretch section 16, above stretch and the axial hole as the second oilhole 14 be machined with section 16.See figure
3, radial hole 19 is machined with bottom end cover 1, and the axle as the 3rd oilhole 20 is machined with 17 corresponding lower cylinder body 2 of the 3rd hydraulic fluid port
Xiang Kong, the first hydraulic fluid port 10 on the cylinder bottom of the first cylinder body 11 pass sequentially through the second oilhole 14 stretched in section 16, on lower cylinder cap 1
Radial hole 19 and lower cylinder body 2 on the 3rd oilhole 20 connected with the 3rd hydraulic fluid port 17.
As shown in figure 5, the telescopic hydraulic of the present invention makes concentric mechanism by oneself in a state of use, it need to separately match somebody with somebody a supporting plate 29
With support tube 28.Centre bore, the size of centre bore and that section on the radial direction chimb 12 are machined with supporting plate therein
The outside diameter of lower cylinder body 2 is adapted, the supporting plate 29 cylinder under that section on radial direction chimb 12 by its center borehole jack
Body 2.The support tube 28 is enclosed on the outside of upper cylinder body 11, and the lower end of support tube 28 is placed in supporting plate 29 in free shape.During work,
Processed automobile connecting bar 25 is placed in the upper end of support tube 28.
When being pressed oil to the topping up of the second hydraulic fluid port 4, hydraulic oil can be by by the first oilhole 3, into the second spacing 15, pushing away
It is dynamic it is described under stretch section 13, stretch with upper cylinder body 11, the first piston 5 in upper cylinder body 11, slide head 6 that section 13 is connected as a single entity, be fixed
Potential head 7 and upper end cover 8 rise together.When being pressed oil to the topping up of the 3rd hydraulic fluid port 17, due to the first oil on the cylinder bottom of the first cylinder body 11
Mouthfuls 10 pass sequentially through the second oilhole 14 stretched in section 16, the 3rd oilhole 20 on radial hole 19 and lower cylinder body 2 on lower cylinder cap 1
Connected with the 3rd hydraulic fluid port 17, hydraulic oil can by the 3rd oilhole 20 on lower cylinder body 2, the radial hole 19 on lower cylinder cap 1, on stretch section
The first hydraulic fluid port 10 on the second oilhole 14 and the cylinder bottom of the first cylinder body 11 on 16, to promote first piston 5 to rise, and then first
Under the tapered end effect of three lozenges of the upper end of piston 5 and three inner ends of slide head 6, drive three positioning heads 7 protruding
And tightly withstand on the big of processed automobile connecting bar 25（It is small）On the hole wall of head bore 26, it is achieved thereby that automobile connecting bar 25 is big（It is small）
The positioning when right boring of head bore 26 is processed.
When being pressed oil to the topping up of the 4th hydraulic fluid port 30, because the 4th hydraulic fluid port 30 is connected by the second radial hole 23 with the 4th spacing 24
It is logical, after hydraulic oil enters the 4th hydraulic fluid port 30, can be entered by the second radial hole 23 in the 4th spacing 24, so as to drive it is described under stretch
Section 13, stretch upper cylinder body 11, the first piston 5 in upper cylinder body 11, slide head 6, positioning head 7 and upper end that section 13 is connected as a single entity with
Lid 8 declines together, until being returned to off working state.
Claims (5)
1. telescopic hydraulic makes concentric mechanism, including upper cylinder body by oneself（11）, upper cylinder body（11）There is upper end cover upper end（8）；Upper cylinder body
（11）Inside there is first piston（5）, first piston（5）Upper end is tapering point, and the circumference of tapering point is evenly equipped with lozenges, inoperative shape
The tapering point and upper end cover under state（8）Between leave the first spacing（9）；Upper cylinder body（11）The circumference of upper end is evenly equipped with slide opening, sliding
There is slide head in hole（6）And in being slidably matched between the two；Slide head（6）Inner end is tapered end, and the tapered end is lived with first
Plug（5）The corresponding lozenges of upper end is adapted；Slide head（6）Outer end is connected with positioning head（7）；Upper cylinder body（11）Cylinder bottom on have
One hydraulic fluid port（10）；It is characterized in that upper cylinder body（11）Lower end, which has, integral to be used as stretching section under second piston
（13）, upper cylinder body（11）Section is stretched under and（13）There is lower cylinder body outside（2）, lower cylinder body（2）It is between upper end inner circle and upper cylinder body are cylindrical
Seal shape to coordinate, stretch section under described（13）Lower end have circumferential chimb（31）, the circumferential chimb and lower cylinder body（2）In close between inner circle
Envelope shape is slidably matched, so as in circumferential chimb（31）On under stretch section（13）With lower cylinder body（2）Between formed the 4th spacing（24）；
Lower cylinder body（2）There is bottom end cover lower end（1）And coordinate between the two in sealing shape；Bottom end cover（1）With it is described under stretch section（13）Between lower end
There is the second spacing（15）, the lower cylinder body（2）On have the second hydraulic fluid port（4）With the 3rd hydraulic fluid port（17）, the second hydraulic fluid port（4）Between second
Away from（15）Connection；3rd hydraulic fluid port（17）With upper cylinder body（11）Cylinder bottom on the first hydraulic fluid port（10）Connection.
2. telescopic hydraulic according to claim 1 makes concentric mechanism by oneself, it is characterised in that with upper cylinder body（11）Cylinder bottom pair
The lower cylinder body that should locate（2）There is radial direction chimb on cylindrical（12）, second hydraulic fluid port（4）With the 3rd hydraulic fluid port（17）Divide and be located at radial convex
Side（12）Offside.
3. telescopic hydraulic according to claim 2 makes concentric mechanism by oneself, it is characterised in that lower cylinder body（2）On have the first oilhole
（3）, the second hydraulic fluid port（4）Pass through the first oilhole（3）With the second spacing（15）Communicate.
4. telescopic hydraulic according to claim 2 makes concentric mechanism by oneself, it is characterised in that radial direction chimb（12）On have the 4th
Hydraulic fluid port（30）, the 4th hydraulic fluid port（30）Pass through the second radial hole（23）With the 4th spacing（24）Connection.
5. telescopic hydraulic according to claim 1 makes concentric mechanism by oneself, it is characterised in that stretches section under described（13）Lower end
There is axial blind hole（18）, the bottom end cover（1）Have on medial surface and axial blind hole（18）Section is stretched in adaptation（16）, above stretch section
（16）On have as the second oilhole（14）Axial hole, bottom end cover（1）On have radial hole（19）, with the 3rd hydraulic fluid port（17）It is corresponding
Lower cylinder body（2）On have as the 3rd oilhole（20）Axial hole, first cylinder body（11）The first hydraulic fluid port on cylinder bottom（10）According to
It is secondary by above stretching section（16）On the second oilhole（14）, lower cylinder cap（1）On radial hole（19）And lower cylinder body（2）On the 3rd oil
Hole（20）With the 3rd hydraulic fluid port（17）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710746064.XA CN107654443B (en) | 2017-08-28 | 2017-08-28 | Telescopic hydraulic self-centering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710746064.XA CN107654443B (en) | 2017-08-28 | 2017-08-28 | Telescopic hydraulic self-centering mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107654443A true CN107654443A (en) | 2018-02-02 |
| CN107654443B CN107654443B (en) | 2024-02-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710746064.XA Active CN107654443B (en) | 2017-08-28 | 2017-08-28 | Telescopic hydraulic self-centering mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722384A (en) * | 2019-11-19 | 2020-01-24 | 无锡瑞真精机股份有限公司 | Clamp for machining reference surface of motor shell of new energy automobile |
| CN110732901A (en) * | 2019-10-11 | 2020-01-31 | 无锡瑞真精机股份有限公司 | Positioning mechanism for rough machining of engine cylinder body |
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| CN110722384A (en) * | 2019-11-19 | 2020-01-24 | 无锡瑞真精机股份有限公司 | Clamp for machining reference surface of motor shell of new energy automobile |
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