CN106946178A - The cylinder structure of Horizontal hydraulic jack - Google Patents
The cylinder structure of Horizontal hydraulic jack Download PDFInfo
- Publication number
- CN106946178A CN106946178A CN201710346433.6A CN201710346433A CN106946178A CN 106946178 A CN106946178 A CN 106946178A CN 201710346433 A CN201710346433 A CN 201710346433A CN 106946178 A CN106946178 A CN 106946178A
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- Prior art keywords
- cylinder
- oil cylinder
- oil
- post
- liner
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
Abstract
A kind of cylinder structure of Horizontal hydraulic jack, including oil cylinder seat；Inside and outside cylinder sleeve and cylinder cap, the right-hand member of inner cylinder liner is fixed with oil cylinder seat, left end and cylinder cap are fixed, and outer cylinder sheath is nested with outside inner cylinder liner, and right-hand member and the oil cylinder seat of outer cylinder sheath are fixed, the left end of outer cylinder sheath and the left end outer wall of inner cylinder liner are fixed, and the space between inside and outside cylinder sleeve is configured to shoe cream room；The right-hand member of oil cylinder post is located in the inner casing mantle cavity of inner cylinder liner, the left end of oil cylinder post is slidably matched with cylinder cap and leans out cylinder cap, oil cylinder column piston is located in inner casing mantle cavity and corresponding with the right side of oil cylinder post, inner casing mantle cavity is separated into working chamber and the high-voltage oil cavity positioned at the right side of oil cylinder column piston positioned at the left side of oil cylinder column piston, feature by oil cylinder column piston：Being constituted on the right-hand member end face of oil cylinder post has oil cylinder post bulb, and the left end of oil cylinder column piston, which is constituted, bulb chamber, and bulb chamber is corresponding with oil cylinder post bulb and coordinates with oil cylinder post bulb.Ensure the service life of oil cylinder column piston, economize on resources, reduce cost.
Description
Technical field
The invention belongs to hydraulic jack technical field, and in particular to a kind of cylinder structure of Horizontal hydraulic jack.
Background technology
Horizontal hydraulic jack is no lack of in published Chinese patent literature to be seen in, utility model patent Authorization Notice No.
CN2344375Y recommend horizontal hydraulic jack, CN2396020Y provide press the rotatable Horizontal hydraulic jack of hand,
Multifunction horizontal jack, the adjustable hydraulic jack of CN2787634Y announcements, CN2839233Y disclosed in CN2474513Y
The public all hydraulic jacks for showing load and overload warning of the Horizontal lower-level jack of disclosure, CN201520617U,
A kind of Horizontal hydraulic jack with self-locking safety device of CN201756434U teachings, one kind of CN201737648U publicities
The crane arm dress for the horizontal hydraulic jack that the quick low level wheel type hydraulic jack of wallboard monoblock type, CN202245915U are introduced
Put with the invention patent mandate notification number CN102275846B Horizontal hydraulic jacks recommended, etc..Typically such as
CN2516526Y（The hydraulic jack of unloaded high raising speed can be made by mechanical operation）、CN2652906Y（Three sections of speed that rise
Top lift device）With CN103466498B " qigong hydraulic jacks of band zero load fast servo function " recommended, etc..
Being not limited to Horizontal hydraulic jack disclosed in patent document exemplified above, each the technology with specification is imitated
Technique effect described in fruit column, and by oil cylinder post and oil cylinder column piston Formation cross-section shape just as " convex " of Chinese character
Character form structure, when oil cylinder column piston displacement, the also corresponding displacement of oil cylinder post.Both oil cylinder post and oil cylinder column piston are integrally formed
Structure has the compact effect in structure, and the axiom that this design concept is almost unanimously approved into industry seemingly.But
During actual use, when the exhibition overhanging to inner cylinder liner of oil cylinder column piston drive oil cylinder post, driven by oil cylinder post and oil cylinder
The lifting revolution of arm that the oil cylinder column joint of post end is hinged, while lifted load such as vehicle by the pallet of crane arm end, because
And during crane arm motion makes its pallet lift load, oil cylinder post can be acted on by the power at a non axial center,
I.e. eccentric situation occurs in oil cylinder post, taking the form of for this eccentric situation rocks oil cylinder post, although oil cylinder post is rocked
Measure and less even extremely micro- vast, but be due to oil cylinder column piston and both oil cylinder posts is structure as a whole, thus oil cylinder post
Rock oil cylinder column piston can be driven to rock together, cause the inwall of oil cylinder column piston and inner cylinder liner to produce severe friction, work as oil
During the inner wall abrasion of cylinder column piston and/or inner cylinder liner to certain degree, because of the chamber conducting positioned at oil cylinder column piston both sides
Scrap whole Horizontal hydraulic jack, on the one hand because scrap in advance and caused by the wasting of resources, on the other hand add user
Abandon the cost of trade-in.
For above-mentioned prior art, the applicant has made thoroughgoing and painstaking literature search, but disclosed so far
The enlightenment of all solution aforementioned technical problems is showed no in China and foreign countries' patent and non-patent literature, technical scheme described below is just
Produce under this background.
The content of the invention
The task of the present invention be a kind of matching relationship for helping to improve both oil cylinder post and oil cylinder column piston is provided and
Use the good protection effect embodied to oil cylinder column piston and not only can significantly increase the service life but also can economize on resources and subtract
The cylinder structure of the Horizontal hydraulic jack of the use cost of light user.
What the task of the present invention was performed by, a kind of cylinder structure of Horizontal hydraulic jack, including an oil cylinder seat；
One inner cylinder liner, an outer cylinder sheath and a cylinder cap, the right-hand member of inner cylinder liner are fixed with the oil cylinder seat, and the left end of inner cylinder liner is consolidated with cylinder cap
Fixed, outer cylinder sheath is nested with outside inner cylinder liner, and the right-hand member of the outer cylinder sheath is fixed with the oil cylinder seat, and the left end of outer cylinder sheath and inner cylinder liner
Left end outer wall fix, the space between inside and outside cylinder sleeve is configured to shoe cream room；One oil cylinder post and an oil cylinder column piston, oil cylinder post
Right-hand member be located in the inner casing mantle cavity of inner cylinder liner, and the left end of oil cylinder post and the cylinder cap are slidably matched and lean out cylinder cap, oil
Cylinder column piston is movably arranged in inner casing mantle cavity and corresponding with the right side of oil cylinder post, by the oil cylinder column piston by institute
State inner casing mantle cavity and be separated into working chamber and the high-voltage oil cavity positioned at the right side of oil cylinder column piston positioned at the left side of oil cylinder column piston,
It is characterised by constituting on the right-hand member end face of the oil cylinder post and has an oil cylinder post bulb, and in the left end structure of the oil cylinder column piston
Cheng Youyi bulb chambers, the bulb chamber is corresponding with oil cylinder post bulb and is engaged with oil cylinder post bulb.
In the specific embodiment of the present invention, cylinder cap external screw thread is machined with the outer wall of the cylinder cap, and
Inner cylinder liner internal thread is machined with the inwall of the left end of the inner cylinder liner, is coordinated in the inner cylinder liner with cylinder cap external screw thread screw thread.
In another specific embodiment of the present invention, being constituted in the middle position of the cylinder cap has a cylinder cap center
Hole, the left end of the oil cylinder post and the cylinder cap centre bore are slidably matched and lean out cylinder cap centre bore.
In another specific embodiment of the present invention, on the hole wall of the cylinder cap centre bore of the cylinder cap and surround
The circumferencial direction of cylinder cap centre bore offers a cylinder column sealing ring recess, and a cylinder column sealing is embedded with the cylinder column sealing ring recess
Circle, the left end of the oil cylinder post is sealed with cylinder column sealing circle to be coordinated.
In another specific embodiment of the present invention, on the outer wall of the cylinder cap and around the circumference side of cylinder cap
To an inner cylinder liner seal groove is offered, an inner cylinder liner sealing ring, the inner cylinder liner are embedded with the inner cylinder liner seal groove
Inwall and the inner cylinder liner sealing ring of left end end seal and coordinate.
In the also specific embodiment of the present invention, an oil cylinder is embedded with the hole wall of the cylinder cap centre bore
Post guide ring, the oil cylinder post guide ring is located at the left side of the cylinder column sealing circle, described oil cylinder post and the oil cylinder post guide ring
It is slidably matched.
In the present invention more and in a specific embodiment, being constituted on the left end end face of the oil cylinder has an oil cylinder post
Connector.
The present invention's and then in a specific embodiment, a pair of oil are embedded with the outer wall of the oil cylinder column piston
Cylinder column piston sealing ring, the cavity wall sealing of this pair of oil cylinder column piston sealing ring and the inner casing mantle cavity coordinates.
The present invention's and more and in a specific embodiment, on the outer wall of described oil cylinder column piston and right
The position on the right side of a pair of oil cylinder column piston sealing rings described in Ying Yu is embedded with a piston guide ring, the piston guide ring and institute
The cavity wall for stating inner casing mantle cavity is slidably matched.
Again and then in a specific embodiment, a fuel feed hole and one are offered on described oil cylinder seat in the present invention
Spill port, the fuel feed hole and spill port are communicated with described high-voltage oil cavity, and the fuel feed hole and spill port are by opening up
Oil duct on oil cylinder seat is communicated with described shoe cream room.
Technical scheme that the present invention is provided has technical effect that：Due under the technology prejudice in overcoming prior art
Oil cylinder post and oil cylinder column piston are designed to split-type structural independent of each other in a creative way, and due at the right-hand member end of oil cylinder post
Constitute to have an oil cylinder post bulb and constitute in the left side of oil cylinder column piston on face and have a bulb chamber being engaged with oil cylinder post bulb,
It thus can both ensure that oil cylinder column piston promoted oil cylinder post, be avoided that again as caused by oil cylinder post in oil cylinder column piston and inner cylinder body
Friction between wall, enables the service life of oil cylinder column piston to ensure, can not only economize on resources, and can reduce and use
Person abandons the new cost of old cloth.
Brief description of the drawings
Fig. 1 is embodiments of the invention structure chart.
Fig. 2 is application examples schematic diagram of the invention.
Embodiment
In order to be more clearly understood from the technical spirit and beneficial effect of the present invention, applicant is below with embodiment
Mode elaborate, but be not the limitation to the present invention program to the description of embodiment, it is any according to structure of the present invention
Think made only formal rather than substantial equivalent transformation and be regarded as technical scheme category.
The concept of the every directionality for being related to left and right or directionality is all to scheme residing position in the following description
For configuration state, thus being particularly limited to the technical scheme of the invention provided can not be understood as.
Embodiment 1：
Fig. 1 is referred to, an oil cylinder seat 1 is shown；Show an inner cylinder liner 2, an outer cylinder sheath 3 and a cylinder cap 4, the right side of inner cylinder liner 2
End is fixed with foregoing oil cylinder seat 1, and the left end of inner cylinder liner 2 is fixed with cylinder cap 4, and outer cylinder sheath 3 is nested with outside inner cylinder liner 2, the outer shell
The right-hand member of set 3 is fixed with foregoing oil cylinder seat 1, and the left end outer wall of the left end of outer cylinder sheath 3 and inner cylinder liner 2 is fixed, inside and outside cylinder sleeve 2,
Space between 3 is configured to shoe cream room 5；An oil cylinder post 6 and an oil cylinder column piston 7 are shown, the right-hand member of oil cylinder post 6 is located at inner casing
In the inner casing mantle cavity 21 of set 2, and the left end of oil cylinder post 6 is slidably matched with foregoing cylinder cap 4 and leans out cylinder cap 4, oil cylinder column piston 7
It is movably arranged at inner casing mantle cavity 21 interior and corresponding with the right side of oil cylinder post 6, will be foregoing interior by the oil cylinder column piston 7
Cylinder sleeve chamber 21 is separated into working chamber 211 and the hydraulic oil positioned at the right side of oil cylinder column piston 7 positioned at the left side of oil cylinder column piston 7
Chamber 212.
The technical essential of the technical scheme provided as the present invention：Being constituted on the right-hand member end face of foregoing oil cylinder post 6 has one
Oil cylinder post bulb 61, and have a bulb chamber 71 in the left end composition of foregoing oil cylinder column piston 7, the bulb chamber 71 and oil cylinder post bulb
61 is corresponding and be engaged with oil cylinder post bulb 61.
Be machined with cylinder cap external screw thread 41 on the outer wall of foregoing cylinder cap 4, and on the inwall of the left end in foregoing inner cylinder liner 2 plus
Work has inner cylinder liner internal thread 22, and 22 coordinate with the screw thread of cylinder cap external screw thread 41 in the inner cylinder liner.
Being constituted in the middle position of foregoing cylinder cap 4 has a cylinder cap centre bore 42, in the left end and the cylinder cap of foregoing oil cylinder post 6
Heart hole 42 is slidably matched and leans out cylinder cap centre bore 42.
Offered on the hole wall of the cylinder cap centre bore 42 of foregoing cylinder cap 4 and around the circumferencial direction of cylinder cap centre bore 42
One cylinder column sealing ring recess 421, is embedded with a cylinder column sealing circle 4211, a left side for foregoing oil cylinder post 6 in the cylinder column sealing ring recess 421
End is sealed with cylinder column sealing circle 4211 to be coordinated.
An inner cylinder liner seal groove 43 is offered on the outer wall of foregoing cylinder cap 4 and around the circumferencial direction of cylinder cap 42,
An inner cylinder liner sealing ring 431 is embedded with the inner cylinder liner seal groove 43, the inwall of the left end end of foregoing inner cylinder liner 2 is with being somebody's turn to do
The sealing of inner cylinder liner sealing ring 431 coordinates.
An oil cylinder post guide ring 44 is embedded with the hole wall of foregoing cylinder cap centre bore 42, the oil cylinder post guide ring 44 is located at
The left side of foregoing cylinder column sealing circle 4211, foregoing oil cylinder post 6 is slidably matched with the oil cylinder post guide ring 44.
Being constituted on the left end end face of foregoing oil cylinder 6 has an oil cylinder post connector 62.
A pair of oil cylinder column piston sealing rings 72, this pair of oil cylinder column piston are embedded with the outer wall of foregoing oil cylinder column piston 7
The cavity wall sealing of sealing ring 72 and foregoing inner casing mantle cavity 21 coordinates.
On the outer wall of foregoing oil cylinder column piston 7 and corresponding to a pair of foregoing oil cylinder column piston sealing rings 72
The position on right side is embedded with a piston guide ring 73, and the cavity wall of the piston guide ring 73 and foregoing inner casing mantle cavity 21 is slidably matched.
A fuel feed hole 11 and a spill port 12 are offered on foregoing oil cylinder seat 1, the fuel feed hole 11 and spill port 12 are equal
Communicated with foregoing high-voltage oil cavity 212, and the fuel feed hole 11 and spill port 12 pass through the oil duct that is opened on oil cylinder seat 1
（Oil input channel and back oil road）Communicated with foregoing shoe cream room 5.
Application examples：
Refer to Fig. 2 and combine Fig. 1, figure 2 illustrates the crane arm 8 that the oil cylinder post connector 62 with oil cylinder post 6 is hinged,
The crane arm 8 is also hinged with wallboard 9.When operator tramples to pedal 10, the pump core 20 to oil pump is acted on, from oil pump to height
The pump oil of pumping cavity 212, hydraulic oil enters high pressure from shoe cream room 5, the oil input channel being opened in oil cylinder seat 1 and fuel feed hole 11 successively
Oil pocket 212, is that hydraulic oil promotes oil cylinder column piston 7 to move to left by entering the pressure oil in high-voltage oil cavity 212, drives oil cylinder post 6 left
OK, by oil cylinder post 6 drive crane arm 8 clockwise revolution, the pallet 81 of the end of crane arm 8 by load such as vehicle jacking, otherwise
Oil return valve then is opened to the operation of handlebar 30 by operator, makes the hydraulic oil in high-voltage oil cavity 212 successively through spill port 12
And the oil duct in oil cylinder seat 1（Back oil road）Back into shoe cream room 5.During foregoing crane arm 8 is lifted to load, even if oily
Cylinder post 6 produce it is micro- vast rock, then due to oil cylinder post bulb 61 and bulb chamber 71, both show as articulated matching relationship, because
And oil cylinder column piston 7 is not in the situation with the cavity wall severe friction of the inner casing mantle cavity 21 of inner cylinder liner 2.Due to horizontal hydraulic thousand
The operation principle on jin top belongs to known technology, see, for example, the patent text referred in the superincumbent background technology column of applicant
Offer, even if thus applicant has made extremely brief description above, but the understanding of those skilled in the art can't be produced
It is puzzled.
In summary, the technical scheme that the present invention is provided compensate for the shortcoming in prior art, favorably accomplish invention
Task, has faithfully cashed the technique effect referred in the superincumbent technique effect column of applicant.
Claims (10)
1. a kind of cylinder structure of Horizontal hydraulic jack, including an oil cylinder seat (1)；One inner cylinder liner (2), an outer cylinder sheath (3) and
One cylinder cap (4), the right-hand member and the oil cylinder seat (1) of inner cylinder liner (2) is fixed, and the left end of inner cylinder liner (2) and cylinder cap (4) are fixed,
Outer cylinder sheath (3) is nested with inner cylinder liner (2) outside, and the right-hand member and the oil cylinder seat (1) of the outer cylinder sheath (3) are fixed, and outer cylinder sheath (3)
The left end outer wall of left end and inner cylinder liner (2) is fixed, and the space between inside and outside cylinder sleeve (2,3) is configured to shoe cream room (5)；One oil cylinder
Post (6) and an oil cylinder column piston (7), the right-hand member of oil cylinder post (6) are located in the inner casing mantle cavity (21) of inner cylinder liner (2), and oil cylinder post
(6) left end is slidably matched with the cylinder cap (4) and leans out cylinder cap (4), and oil cylinder column piston (7) is movably arranged at inner cylinder liner
It is in chamber (21) and corresponding with the right side of oil cylinder post (6), the inner casing mantle cavity (21) is divided by the oil cylinder column piston (7)
It is divided into the working chamber (211) and the high-voltage oil cavity positioned at the right side of oil cylinder column piston (7) positioned at the left side of oil cylinder column piston (7)
(212), it is characterised in that being constituted on the right-hand member end face of the oil cylinder post (6) has an oil cylinder post bulb (61), and in the oil
The left end of cylinder column piston (7), which is constituted, a bulb chamber (71), the bulb chamber (71) it is corresponding with oil cylinder post bulb (61) and with
Oil cylinder post bulb (61) is engaged.
2. the cylinder structure of Horizontal hydraulic jack according to claim 1, it is characterised in that in the outer of the cylinder cap (4)
It is machined with cylinder cap external screw thread (41) on wall, and inner cylinder liner internal thread is machined with the inwall of the left end in the inner cylinder liner (2)
(22), (22) coordinate with cylinder cap external screw thread (41) screw thread in the inner cylinder liner.
3. the cylinder structure of Horizontal hydraulic jack according to claim 1, it is characterised in that in the cylinder cap (4)
Centre position, which is constituted, a cylinder cap centre bore (42), and the left end of the oil cylinder post (6) is slidably matched simultaneously with the cylinder cap centre bore (42)
And lean out cylinder cap centre bore (42).
4. the cylinder structure of Horizontal hydraulic jack according to claim 3, it is characterised in that the cylinder in the cylinder cap (4)
A cylinder column sealing ring recess is offered on the hole wall of lid centre bore (42) and around the circumferencial direction of cylinder cap centre bore (42)
(421) a cylinder column sealing circle (4211), the left end and cylinder of the oil cylinder post (6), are embedded with the cylinder column sealing ring recess (421)
Column sealing circle (4211) sealing coordinates.
5. the cylinder structure of Horizontal hydraulic jack according to claim 1, it is characterised in that in the outer of the cylinder cap (4)
An inner cylinder liner seal groove (43) is offered on wall and around the circumferencial direction of cylinder cap (42), in the inner cylinder liner seal groove
(43) an inner cylinder liner sealing ring (431), inwall and the inner cylinder liner sealing ring of the left end end of the inner cylinder liner (2) are embedded with
(431) sealing coordinates.
6. the cylinder structure of Horizontal hydraulic jack according to claim 4, it is characterised in that in the cylinder cap centre bore
(42) an oil cylinder post guide ring (44) is embedded with hole wall, the oil cylinder post guide ring (44) is located at the cylinder column sealing circle
(4211) left side, described oil cylinder post (6) is slidably matched with the oil cylinder post guide ring (44).
7. the cylinder structure of the Horizontal hydraulic jack according to claim 1 or 3 or 4 or 6, it is characterised in that in the oil
Being constituted on the left end end face of cylinder (6) has an oil cylinder post connector (62).
8. the cylinder structure of Horizontal hydraulic jack according to claim 1, it is characterised in that in the oil cylinder column piston
(7) a pair of oil cylinder column piston sealing rings (72), this pair of oil cylinder column piston sealing ring (72) and the inner casing are embedded with outer wall
The cavity wall sealing of mantle cavity (21) coordinates.
9. the cylinder structure of Horizontal hydraulic jack according to claim 8, it is characterised in that lived in described oil cylinder post
Fill on the outer wall of (7) and be embedded with a work in the position on the right side corresponding to a pair of described oil cylinder column piston sealing rings (72)
Guide ring (73) is filled in, the piston guide ring (73) and the cavity wall of the inner casing mantle cavity (21) are slidably matched.
10. the cylinder structure of Horizontal hydraulic jack according to claim 1, it is characterised in that in described oil cylinder seat
(1) fuel feed hole (11) and a spill port (12) are offered on, the fuel feed hole (11) and spill port (12) with described high pressure
Oil pocket (212) is communicated, and the fuel feed hole (11) and spill port (12) by be opened in the oil duct on oil cylinder seat (1) with it is described
Shoe cream room (5) communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346433.6A CN106946178A (en) | 2017-05-17 | 2017-05-17 | The cylinder structure of Horizontal hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346433.6A CN106946178A (en) | 2017-05-17 | 2017-05-17 | The cylinder structure of Horizontal hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106946178A true CN106946178A (en) | 2017-07-14 |
Family
ID=59479674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710346433.6A Pending CN106946178A (en) | 2017-05-17 | 2017-05-17 | The cylinder structure of Horizontal hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106946178A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605848A (en) * | 2017-08-24 | 2018-01-19 | 深圳市罗伯医疗科技有限公司 | A kind of hydraulic cylinder and knee joint assistant robot |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233572A (en) * | 1998-03-23 | 1999-11-03 | 鲁卡斯液压两合公司 | Lifting/lowering device |
| CN101092981A (en) * | 2007-07-25 | 2007-12-26 | 天津市天锻压力机有限公司 | Anti partial loading oil cylinder in use for large size hydraulic machine |
| CN101891132A (en) * | 2010-07-27 | 2010-11-24 | 常熟通润汽车零部件股份有限公司 | Horizontal jack hydraulic part with floating linage piston rod |
| CN202691013U (en) * | 2012-07-24 | 2013-01-23 | 太原重工股份有限公司 | Connecting device for main cylinder plunger and moving crossbeam |
| CN206927529U (en) * | 2017-05-17 | 2018-01-26 | 常熟通润汽车修理设备有限公司 | The cylinder structure of Horizontal hydraulic jack |
-
2017
- 2017-05-17 CN CN201710346433.6A patent/CN106946178A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233572A (en) * | 1998-03-23 | 1999-11-03 | 鲁卡斯液压两合公司 | Lifting/lowering device |
| CN101092981A (en) * | 2007-07-25 | 2007-12-26 | 天津市天锻压力机有限公司 | Anti partial loading oil cylinder in use for large size hydraulic machine |
| CN101891132A (en) * | 2010-07-27 | 2010-11-24 | 常熟通润汽车零部件股份有限公司 | Horizontal jack hydraulic part with floating linage piston rod |
| CN202691013U (en) * | 2012-07-24 | 2013-01-23 | 太原重工股份有限公司 | Connecting device for main cylinder plunger and moving crossbeam |
| CN206927529U (en) * | 2017-05-17 | 2018-01-26 | 常熟通润汽车修理设备有限公司 | The cylinder structure of Horizontal hydraulic jack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605848A (en) * | 2017-08-24 | 2018-01-19 | 深圳市罗伯医疗科技有限公司 | A kind of hydraulic cylinder and knee joint assistant robot |
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Application publication date: 20170714 |
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