CN110307210A - A kind of upright lamp stand mechanism of series cylinder - Google Patents
A kind of upright lamp stand mechanism of series cylinder Download PDFInfo
- Publication number
- CN110307210A CN110307210A CN201910709801.8A CN201910709801A CN110307210A CN 110307210 A CN110307210 A CN 110307210A CN 201910709801 A CN201910709801 A CN 201910709801A CN 110307210 A CN110307210 A CN 110307210A
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- CN
- China
- Prior art keywords
- lamp stand
- hydraulic cylinder
- piston rod
- cylinder
- oil
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 239000003921 oil Substances 0.000 claims description 80
- 230000008676 import Effects 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000008439 repair process Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- 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
- F15B15/1457—Piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
Abstract
A kind of upright lamp stand mechanism of series cylinder, is related to flexible lamp post technical field, the lamp stand including telescopic default series, and hydraulic cylinder A and the hydraulic cylinder B for respectively driving the lifting of other lamp stands, the hydraulic cylinder A and hydraulic cylinder B are fixed on outside lamp stand；The hydraulic cylinder B includes cylinder barrel, baffle, piston rod and the piston for being fixed on piston rod bottom, the piston rod includes outer hollow piston rod and internal layer hollow piston rod, there are gaps I between outer hollow piston rod and internal layer hollow piston rod, the piston is hollow structure, there are gaps II between the upper piston area and inner wall of cylinder, the internal layer hollow piston rod runs through piston inner hole, there are the gaps III being connected to gap I between the upper piston area and internal layer hollow piston rod outer wall, this upright lamp stand mechanism of series cylinder, overall structure is relatively easy, pipeline is clear, succinctly, it is easy to repair, maintenance.
Description
Technical field:
The present invention relates to flexible lamp post technical field more particularly to a kind of upright lamp stand mechanisms of series cylinder.
Background technique:
Currently, moving illuminating lighthouse is widely used to each technical field, the moving illuminating lighthouse of the prior art is in beacon control
In the lifting design of lamp stand processed, using the structure of hydraulic cylinder built in lamp stand cavity, using parallel connection between every section lamp stand.It is this
Although traditional structure can guarantee the normal lifting of upright lamp stand, but structure is complex, and oil pipe is more, and tubing length need be protected
Stay the length surplus for each hydraulic cylinder full extension to be just able to achieve lamp stand integral telescopic, cause pipeline more and disorderly, it is dilatory not
Together；The structure of hydraulic cylinder also requires the size of lamp stand built in this traditional lamp stand cavity, needs the size of lamp stand
Do it is sufficiently large could by built in hydraulic cylinder wherein.The structure of hydraulic cylinder is not only inconvenient built in this traditional lamp stand cavity
In production, it is also not easy to very much maintenance, maintenance.Lack the liftable that a kind of structure is simple, and pipeline is clear, succinct in the prior art
Hydraulic cylinder lamp stand mechanism.
Summary of the invention:
In order to solve the above-mentioned technical problems, the present invention provides a kind of upright lamp stand mechanism of series cylinder, overall structure is opposite
Simply, pipeline is clear, succinct, easy to repair, maintenance.
The present invention is realized by following technical proposals:
A kind of upright lamp stand mechanism of series cylinder, the lamp stand including telescopic default series, characterized in that further include driving
The hydraulic cylinder A of top lamp stand lifting and the hydraulic cylinder B, the hydraulic cylinder A and liquid for respectively driving the lifting of other lamp stands
Compressing cylinder B is fixed on outside lamp stand；The hydraulic cylinder B includes cylinder barrel, baffle, piston rod and is fixed on piston rod bottom
Piston, the piston rod include outer hollow piston rod and internal layer hollow piston rod, and outer hollow piston rod and internal layer are hollow
There are gap I between piston rod, the piston is hollow structure, there are gap II between the upper piston area and inner wall of cylinder,
The internal layer hollow piston rod run through piston inner hole, between the upper piston area and internal layer hollow piston rod outer wall there are with gap
The gap III of I connection, the channel of communication gap II Yu gap III is provided on the piston outer wall, the top of the cylinder barrel side wall is opened
There is an oil return outlet, the outer wall top of outer hollow piston rod is provided with oil return import, and the baffle is fixed on piston bottom end, in baffle
Portion is provided with through-hole, and the through-hole is connected to the inner cavity of internal layer hollow piston rod, and the top of the piston rod is provided with hollow with internal layer
The oil inlet outlet of piston rod cavity connection, the cylinder barrel lower part are provided with the gear of oil inlet, the oil inlet and operation to lowermost end
The through-hole of plate is connected；The oil inlet outlet of the hydraulic cylinder B of top is connected to the oil inlet of hydraulic cylinder A, the liquid of top
The oil return import of compressing cylinder B is connected to the oil return opening of hydraulic cylinder A, oil inlet outlet and its upper level of other hydraulic cylinders B
The oil inlet of hydraulic cylinder B is connected to, and the oil return import of the hydraulic cylinder B of the oil return outlet and next stage of other hydraulic cylinders B connects
It is logical.
In another aspect of the present invention, the lamp stand is cavity type structure, and lamp stands at different levels are successively telescopically nested
Together.
In another aspect of the present invention, the top of every level-one lamp stand is welded with flange plate, driving the same level lamp stand lifting
Hydraulic cylinder A and the cylinder barrel top of each hydraulic cylinder B be separately fixed at the bottom end of next stage lamp pole flange piece, drive the same level
The piston rod top end of the hydraulic cylinder A and each hydraulic cylinder B of lamp stand lifting are fixed on the bottom end of the same level lamp pole flange piece.
In another aspect of the present invention, the series of the lamp stand is 7 grades, and the lamp stand is rhs-structure, 7 square tubes
Successively telescopically together, the quantity of hydraulic cylinder B is 5 to nesting to the lamp stand of structure.
In another aspect of the present invention, the oil inlet of the hydraulic cylinder B of lowermost end and oil return outlet pass through oil respectively
It manages and is connect with the oil-feed port of external fuel feeding hydraulic system and oil return opening.
In another aspect of the present invention, the bottom end of the lamp stand of lowermost end is fixed with pedestal.
The beneficial effects of the present invention are: gap I in the hydraulic cylinder B of this upright lamp stand mechanism of series cylinder,
The inner cavity of gap II, gap III and internal layer hollow piston rod provides channel for hydraulic oil, instead of part oil pipe, so that this
Kind of the upright lamp stand mechanism of series cylinder does not need as telescopic process indwelling oil pipe surplus, and pipeline is clear, avoid pipeline it is more and
Disorderly, it draws uneven；Hydraulic cylinder A and hydraulic cylinder B are both secured to outside lamp stand, are easily installed, easy to repair, maintenance；Due to
Installation hydraulic cylinder is not needed inside lamp stand, therefore, this upright lamp stand mechanism of series cylinder is not only more easily manufactured, every section
Lamp stand can also reduce size on the basis of proof strength, so that the upright lamp stand mechanism of this series cylinder more saves material
Expect, be readily transported.
Detailed description of the invention:
Fig. 1 is overall structure of embodiment of the present invention schematic side view.
Fig. 2 is hydraulic cylinder B compressive state schematic diagram of internal structure in the embodiment of the present invention.
Fig. 3 is hydraulic cylinder B piston rod top end schematic diagram of internal structure in the embodiment of the present invention.
Fig. 4 is the middle part hydraulic cylinder B extended state schematic diagram of internal structure in the embodiment of the present invention.
In attached drawing: 1, the piston rod of hydraulic cylinder A, 2, the cylinder barrel of hydraulic cylinder A, 3, lamp stand, 4, the cylinder of hydraulic cylinder B
Cylinder, 5, the piston rod of hydraulic cylinder B, 6, flange plate, 7, oil return import, 8, cylinder barrel barrel, 9, piston, 10, gap III, 11,
Gap II, 12, channel, 13, baffle, 14, oil inlet, 15, outer hollow piston rod, 16, internal layer hollow piston rod, 17, oil return goes out
Mouthful, 18, gap I, 19, oil inlet outlet.
Specific embodiment:
Embodiments of the present invention are described further with reference to the accompanying drawings and embodiments:
In the description of this invention, it is to be understood that being described as indicating position or positional relationship is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the scope of the present invention
Limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " setting ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
A kind of upright lamp stand mechanism of series cylinder, the lamp stand 3 including telescopic default series further include that driving is most pushed up
It holds the hydraulic cylinder A of lamp stand lifting and respectively drives the hydraulic cylinder B of other lamp stands lifting, hydraulic cylinder A is commonly hydraulic
Telescopic oil cylinder, using the liquid of the model CL-50/30-980 of Shandong match watt power-equipment Co., Ltd production in the present embodiment
Cylinder pressure, the hydraulic cylinder A and hydraulic cylinder B are fixed on outside lamp stand；The hydraulic cylinder B includes cylinder barrel, baffle 13, piston
Bar and the piston 9 for being fixed on piston rod bottom, the piston rod include outer hollow piston rod 15 and internal layer hollow piston
Bar 16, there are gap I 18 between outer hollow piston rod 15 and internal layer hollow piston rod 16, the piston is hollow structure, institute
It states there are gap II 11 between upper piston area and inner wall of cylinder, the internal layer hollow piston rod 16 runs through piston inner hole, the work
Beyond the Great Wall between portion and 16 outer wall of internal layer hollow piston rod there are the gap III 10 being connected to gap I 18, opened on 9 outer wall of piston
There is the channel 12 of communication gap II 11 Yu gap III 10, the top of the cylinder barrel side wall is provided with oil return outlet 17, and outer hollow is living
The outer wall top of stopper rod 15 is provided with oil return import 7, and the baffle 13 is weldingly fixed on piston bottom end, is provided in the middle part of baffle 13 logical
Hole, the through-hole are connected to the inner cavity of internal layer hollow piston rod 16, and the top of the piston rod is provided with and internal layer hollow piston rod
The oil inlet outlet 19 of 16 inner cavities connection, the cylinder barrel lower part are provided with oil inlet 14, the oil inlet 14 and operation to lowermost end
The through-hole of baffle 13 is connected；The oil inlet outlet 19 of the hydraulic cylinder B of top passes through the oil inlet 14 of oil pipe and hydraulic cylinder A
The oil return import 7 of connection, the hydraulic cylinder B of top is connected to by oil pipe with the oil return opening of hydraulic cylinder A, other hydraulic cylinders
The oil inlet outlet 19 of B is connected to by oil pipe with the oil inlet 14 of the hydraulic cylinder B of its upper level, the oil return of other hydraulic cylinders B
Outlet 17 is connected to by oil pipe with the oil return import 7 of the hydraulic cylinder B of next stage.The lamp stand 3 is cavity type structure, lamps at different levels
Bar 3 successively telescopically it is nested together.The top of every level-one lamp stand 3 is welded with flange plate 6, and driving the same level lamp stand goes up and down hydraulic
The cylinder barrel top of oil cylinder A and each hydraulic cylinder B pass through bolt respectively or are weldingly fixed on the bottom of next stage lamp pole flange piece 6
The piston rod top end at end, the hydraulic cylinder A and each hydraulic cylinder B of driving the same level lamp stand lifting by bolt or is weldingly fixed on
The bottom end of the same level lamp pole flange piece 6.The series of the lamp stand is 7 grades, and the lamp stand is rhs-structure, the lamp of 7 rhs-structures
Successively telescopically together, the quantity of hydraulic cylinder B is 5 to nesting to bar.The oil inlet 14 of the hydraulic cylinder B of lowermost end and oil return
Outlet 17 is connect by oil pipe with the oil-feed port of external fuel feeding hydraulic station and oil return opening respectively.It welds the bottom end of the lamp stand of lowermost end
It is upright in order to the upright lamp stand mechanism of this series cylinder to be fixed with pedestal.
In use, the oil liquid in hydraulic station enters the hydraulic cylinder B of the hydraulic cylinder B(most junior of lowermost end by pipeline)
Oil inlet 14, oil liquid flows through the hydraulic cylinder B of the hydraulic cylinder B(most junior of lowermost end) internal layer hollow piston rod 16 it is interior
Enter the oil inlet 14 of the hydraulic cylinder B of upper level (high level-one again) after chamber, oil liquid successively up flows into hydraulic cylinder A, works as institute
When thering is the inner cavity of the internal layer hollow piston rod 16 of hydraulic cylinder B to be filled with oil liquid, continue oil inlet for the piston of hydraulic cylinder A
Bar pushes up, and then drives section lamp stand rising topmost, and continuing oil inlet stretches the piston rod of all hydraulic oil cylinder B completely
Out, and then lamp stands at different levels is driven to rise, completes the rise of the upright lamp stand mechanism of this series cylinder.
When landing, the oil liquid in hydraulic cylinder A enters top from the oil return import 7 of the hydraulic cylinder B of top
The gap I 18 of hydraulic cylinder B enters the gap II 11 of the hydraulic cylinder B of top using gap III 10 and channel, using
The oil return outlet 17 of top hydraulic cylinder B and oil pipe enter the oil return import 7 of the hydraulic cylinder B of next stage, and so on,
Oil return opening until entering hydraulic station.With the progress of pressure release, this upright lamp stand mechanism of series cylinder slowly declines, complete
At landing.
Gap I 18, gap II 11, gap III 10 in the hydraulic cylinder B of this upright lamp stand mechanism of series cylinder, with
And the inner cavity of internal layer hollow piston rod 16 provides channel for hydraulic oil, instead of part oil pipe, so that this series cylinder
Upright lamp stand mechanism does not need as telescopic process indwelling oil pipe surplus, and pipeline is clear, avoid pipeline it is more and disorderly, draw it is uneven；
Hydraulic cylinder A and hydraulic cylinder B are both secured to outside lamp stand, are easily installed, easy to repair, maintenance.Due to being not required to inside lamp stand
Hydraulic cylinder is installed, therefore, this upright lamp stand mechanism of series cylinder is not only more easily manufactured, and every section lamp stand can also be
Size is reduced on the basis of proof strength, so that the upright lamp stand mechanism of this series cylinder more saves material, is readily transported.
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to equalization made by scope of the present invention patent
Variation and modification, shall all be covered by the patent of the invention.
Claims (6)
1. a kind of upright lamp stand mechanism of series cylinder, the lamp stand including telescopic default series, characterized in that further include driving
The hydraulic cylinder A of dynamic top lamp stand lifting and respectively drive the lifting of other lamp stands hydraulic cylinder B, the hydraulic cylinder A and
Hydraulic cylinder B is fixed on outside lamp stand；The hydraulic cylinder B includes cylinder barrel, baffle, piston rod and is fixed on piston rod bottom
Piston, the piston rod includes outer hollow piston rod and internal layer hollow piston rod, and outer hollow piston rod and internal layer are empty
It is indecisive and changeable between stopper rod there are gap I, the piston is hollow structure, and there are gaps between the upper piston area and inner wall of cylinder
II, the internal layer hollow piston rod run through piston inner hole, between the upper piston area and internal layer hollow piston rod outer wall there are with
The gap III that gap I is connected to, is provided with the channel of communication gap II Yu gap III on the piston outer wall, the cylinder barrel side wall it is upper
Portion is provided with oil return outlet, and the outer wall top of outer hollow piston rod is provided with oil return import, and the baffle is fixed on piston bottom end, gear
It is provided with through-hole in the middle part of plate, the through-hole is connected to the inner cavity of internal layer hollow piston rod, and the top of the piston rod is provided with and internal layer
The oil inlet outlet of hollow piston rod inner cavity connection, the cylinder barrel lower part are provided with oil inlet, the oil inlet and operation to lowermost end
The through-hole of baffle be connected；The oil inlet outlet of the hydraulic cylinder B of top is connected to the oil inlet of hydraulic cylinder A, top
The oil return import of hydraulic cylinder B be connected to the oil return opening of hydraulic cylinder A, the oil inlet outlet and thereon one of other hydraulic cylinders B
The oil inlet connection of the hydraulic cylinder B of grade, the oil return of the hydraulic cylinder B of the oil return outlet and next stage of other hydraulic cylinders B into
Mouth connection.
2. the upright lamp stand mechanism of a kind of series cylinder according to claim 1, which is characterized in that the lamp stand is cavity
Formula structure, lamp stands at different levels successively telescopically it is nested together.
3. the upright lamp stand mechanism of a kind of series cylinder according to claim 2, which is characterized in that the top of every level-one lamp stand
End is welded with flange plate, and the cylinder barrel top of the hydraulic cylinder A and each hydraulic cylinder B of driving the same level lamp stand lifting are separately fixed at
The bottom end of next stage lamp pole flange piece, the piston rod top end of the hydraulic cylinder A and each hydraulic cylinder B of driving the same level lamp stand lifting
It is fixed on the bottom end of the same level lamp pole flange piece.
4. the upright lamp stand mechanism of a kind of series cylinder according to claim 1 or 3, which is characterized in that the lamp stand
Series is 7 grades, and the lamp stand is rhs-structure, the lamp stand of 7 rhs-structures successively telescopically it is nested together, hydraulic cylinder B
Quantity be 5.
5. the upright lamp stand mechanism of a kind of series cylinder according to claim 1, which is characterized in that the hydraulic oil of lowermost end
The oil inlet of cylinder B and oil return outlet are connect by oil pipe with the oil-feed port of external fuel feeding hydraulic station and oil return opening respectively.
6. the upright lamp stand mechanism of a kind of series cylinder according to any one of claims 1 to 4, which is characterized in that most bottom
The bottom end of the lamp stand at end is fixed with pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709801.8A CN110307210A (en) | 2019-08-02 | 2019-08-02 | A kind of upright lamp stand mechanism of series cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709801.8A CN110307210A (en) | 2019-08-02 | 2019-08-02 | A kind of upright lamp stand mechanism of series cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110307210A true CN110307210A (en) | 2019-10-08 |
Family
ID=68082789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910709801.8A Pending CN110307210A (en) | 2019-08-02 | 2019-08-02 | A kind of upright lamp stand mechanism of series cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110307210A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000346012A (en) * | 1999-06-04 | 2000-12-12 | Oil Drive Kogyo Kk | Hydraulic cylinder and hydraulic device using thereof |
| WO2007048312A1 (en) * | 2005-10-26 | 2007-05-03 | Xingyu Li | A hydraulic driving device |
| CN201228688Y (en) * | 2008-06-05 | 2009-04-29 | 北京昌平液压机械厂有限公司 | Self locking oil cylinder |
| CN102852896A (en) * | 2012-07-26 | 2013-01-02 | 沈姝君 | Double-action multistage hydraulic oil cylinder with solid piston rod |
| CN102889262A (en) * | 2012-09-12 | 2013-01-23 | 中国人民解放军总后勤部建筑工程研究所 | Combined type hydraulic cylinder with floating cylinder barrel |
| CN108716495A (en) * | 2018-07-10 | 2018-10-30 | 蚌埠市行星工程机械有限公司 | The built-in oil duct hydraulic cylinder group series connection asynchronous propulsion system of fitted outside |
| CN210240179U (en) * | 2019-08-02 | 2020-04-03 | 山东赛瓦特动力设备有限公司 | Upright lamp post mechanism with series hydraulic cylinders |
-
2019
- 2019-08-02 CN CN201910709801.8A patent/CN110307210A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000346012A (en) * | 1999-06-04 | 2000-12-12 | Oil Drive Kogyo Kk | Hydraulic cylinder and hydraulic device using thereof |
| WO2007048312A1 (en) * | 2005-10-26 | 2007-05-03 | Xingyu Li | A hydraulic driving device |
| CN201228688Y (en) * | 2008-06-05 | 2009-04-29 | 北京昌平液压机械厂有限公司 | Self locking oil cylinder |
| CN102852896A (en) * | 2012-07-26 | 2013-01-02 | 沈姝君 | Double-action multistage hydraulic oil cylinder with solid piston rod |
| CN102889262A (en) * | 2012-09-12 | 2013-01-23 | 中国人民解放军总后勤部建筑工程研究所 | Combined type hydraulic cylinder with floating cylinder barrel |
| CN108716495A (en) * | 2018-07-10 | 2018-10-30 | 蚌埠市行星工程机械有限公司 | The built-in oil duct hydraulic cylinder group series connection asynchronous propulsion system of fitted outside |
| CN210240179U (en) * | 2019-08-02 | 2020-04-03 | 山东赛瓦特动力设备有限公司 | Upright lamp post mechanism with series hydraulic cylinders |
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