CN104696309A - Double-rod hydraulic cylinder device - Google Patents
Double-rod hydraulic cylinder device Download PDFInfo
- Publication number
- CN104696309A CN104696309A CN201510082012.8A CN201510082012A CN104696309A CN 104696309 A CN104696309 A CN 104696309A CN 201510082012 A CN201510082012 A CN 201510082012A CN 104696309 A CN104696309 A CN 104696309A
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder body
- piston rod
- lid
- rod
- 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
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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
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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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The invention discloses a double-rod hydraulic cylinder device. The double-rod hydraulic cylinder device comprises a cylinder body, a baffle plate, a first cover body, a second cover body, a first piston rod and a second piston rod, wherein the cylinder body is hollow and cylindrical; the first cover body and the second cover body are arranged on the two sides of the cylinder body in parallel, and surround the cylinder body into a cavity shape; the baffle plate is arranged inside the cylinder body; the two ends of the baffle plate are connected with the first cover body and the second cover body respectively, and separate the cylinder body into two cavities in a sealed manner; the first piston rod penetrates through the first cover body and extends into one cavity; the second piston rod penetrates through the second cover body and extends into the other cavity; the first piston rod and the second piston rod are symmetrically positioned on the two sides of the baffle plate; pistons are arranged at one end of the first piston rod and one end of the second piston rod which are positioned inside the cavities; the pistons are slidably connected with the inner walls of the cavities in a sealed manner; the first piston rod and the second piston rod can drive the pistons to slide in the corresponding cavities. The double-rod hydraulic cylinder device has the benefits as follows: the double-rod hydraulic cylinder device is simple in structure, good in cooling effect, long in service life and high in practicality and can improve the effective stroke.
Description
Technical field
The present invention relates generally to field of hydraulic equipment, is specifically related to a kind of dual-rod hydraulic cylinder device.
Background technique
Oil hydraulic cylinder is hydraulic actuator hydraulic energy being changed into mechanical energy, do straight reciprocating motion, oil hydraulic cylinder moving back and forth operationally due to the continuous high speed of piston; Wherein dual-rod hydraulic cylinder device can realize the longer situation of work reciprocating motion length, but when current dual-rod hydraulic cylinder device is done manual work, the temperature of cylinder body raises, and easily damages cylinder body, reduces working life.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of dual-rod hydraulic cylinder device, and structure is simple, and good cooling results, long service life, practicability is stronger.
The technological scheme that the present invention solves the problems of the technologies described above is as follows: a kind of dual-rod hydraulic cylinder device, comprise cylinder body, barrier sheet, first lid, second lid, first piston bar and the second piston rod, described cylinder body is the cylindricality of hollow, described first lid and the second lid are set in parallel in the both sides of cylinder body, and described cylinder body is surrounded cavity geometry, described barrier sheet is arranged on the inside of described cylinder body, its two ends are connected on described first lid and the second lid, and cylinder body seal is separated into two cavitys, described first piston bar stretches in one of them cavity through described first lid, described second piston rod stretches in another cavity through described second lid, and first piston bar and the second piston rod symmetry are positioned at the both sides of described barrier sheet, one end that described first piston bar and the second piston rod are positioned at described cavity is equipped with piston, what described piston and described cavity inner wall sealed is slidably connected, described first piston bar and the second piston rod can drive piston to slide in corresponding described cavity.
The invention has the beneficial effects as follows: structure is simple, and good cooling results, long service life, practicability is stronger.
On the basis of technique scheme, the present invention can also do following improvement.
Further, on described piston, cover has stuffing box gland.
Further, two equal sized by described two cavitys cavitys.
Further, the periphery parcel of described cylinder body is provided with cooling layer.
Further, also comprise holding down bolt, described holding down bolt is separately positioned on and is positioned on described first piston bar outside cylinder body and the second piston rod, and described holding down bolt is equipped with lock-nut.
Accompanying drawing explanation
Fig. 1 is the structural representation of dual-rod hydraulic cylinder device of the present invention.
In accompanying drawing, the component names representated by each mark is as follows:
1, cylinder body, 2, barrier sheet, the 3, first lid, the 4, second lid, 5, first piston bar, 6, piston, 7, cooling layer, 8, holding down bolt, 9, lock-nut.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of dual-rod hydraulic cylinder device, comprise cylinder body, barrier sheet 1, first lid 2, second lid 3, first piston bar 4 and the second piston rod 5, described cylinder body is the cylindricality of hollow, described first lid 2 and the second lid 3 are set in parallel in the both sides of cylinder body, and described cylinder body is surrounded cavity geometry, described barrier sheet 1 is arranged on the inside of described cylinder body, its two ends are connected on described first lid 2 and the second lid 3, and cylinder body seal is separated into two cavitys, described first piston bar 4 stretches in one of them cavity through described first lid 2, described second piston rod 5 stretches in another cavity through described second lid 3, and first piston bar 4 and the second piston rod 5 symmetry are positioned at the both sides of described barrier sheet 1, one end that described first piston bar 4 and the second piston rod 5 are positioned at described cavity is equipped with piston 6, what described piston 6 sealed with described cavity inner wall is slidably connected, described first piston bar 4 and the second piston rod 5 can drive piston 6 to slide in corresponding described cavity.
Preferably, on described piston 6, cover has stuffing box gland.
Preferably, two equal sized by described two cavitys cavitys.
Preferably, the periphery parcel of described cylinder body is provided with cooling layer 7.
Also comprise holding down bolt 8, described holding down bolt 8 is separately positioned on and is positioned on described first piston bar 4 outside cylinder body and the second piston rod 5, and described holding down bolt 8 is equipped with lock-nut 9.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a dual-rod hydraulic cylinder device, it is characterized in that, comprise cylinder body, barrier sheet (1), first lid (2), second lid (3), first piston bar (4) and the second piston rod (5), described cylinder body is the cylindricality of hollow, described first lid (2) and the second lid (3) are set in parallel in the both sides of cylinder body, and described cylinder body is surrounded cavity geometry, described barrier sheet (1) is arranged on the inside of described cylinder body, its two ends are connected on described first lid (2) and the second lid (3), and cylinder body seal is separated into two cavitys, described first piston bar (4) is stretched in one of them cavity through described first lid (2), described second piston rod (5) is stretched in another cavity through described second lid (3), and first piston bar (4) and the second piston rod (5) symmetry are positioned at the both sides of described barrier sheet (1), one end that described first piston bar (4) and the second piston rod (5) are positioned at described cavity is equipped with piston (6), what described piston (6) and described cavity inner wall sealed is slidably connected, described first piston bar (4) and the second piston rod (5) can drive piston (6) to slide in corresponding described cavity.
2. a kind of dual-rod hydraulic cylinder device according to claim 1, is characterized in that, the upper cover of described piston (6) has stuffing box gland.
3. a kind of dual-rod hydraulic cylinder device according to claim 1, is characterized in that, two cavitys equal sized by described two cavitys.
4. a kind of dual-rod hydraulic cylinder device according to any one of claims 1 to 3, is characterized in that, the periphery parcel of described cylinder body is provided with cooling layer (7).
5. a kind of dual-rod hydraulic cylinder device according to claim 3, it is characterized in that, also comprise holding down bolt (8), described holding down bolt (8) is separately positioned on and is positioned on described first piston bar (4) outside cylinder body and the second piston rod (5), described holding down bolt (8) is equipped with lock-nut (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082012.8A CN104696309A (en) | 2015-02-15 | 2015-02-15 | Double-rod hydraulic cylinder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082012.8A CN104696309A (en) | 2015-02-15 | 2015-02-15 | Double-rod hydraulic cylinder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104696309A true CN104696309A (en) | 2015-06-10 |
Family
ID=53343749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510082012.8A Pending CN104696309A (en) | 2015-02-15 | 2015-02-15 | Double-rod hydraulic cylinder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696309A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906956A (en) * | 2021-10-08 | 2022-01-11 | 吉林省农业科学院 | Industrial charger for black fungus and black fungus jade |
| CN115910638A (en) * | 2022-09-07 | 2023-04-04 | 中国科学院电工研究所 | Large current loop on-off switching mechanism |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03103602A (en) * | 1989-09-18 | 1991-04-30 | Hitachi Ltd | Heat-resisting cylinder |
| US20040033148A1 (en) * | 2000-10-20 | 2004-02-19 | Dalland Knut O. | Aggregate of pressure medium cylinders |
| CN201991864U (en) * | 2011-01-25 | 2011-09-28 | 江苏顺达工程科技有限公司 | Double-cylinder parallel oil cylinder |
| CN102454654A (en) * | 2010-10-28 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Air cylinder |
| CN102678666A (en) * | 2012-06-04 | 2012-09-19 | 格力乐液压系统(常州)有限公司 | Water cooling type hydraulic oil cylinder |
| CN202612248U (en) * | 2012-04-19 | 2012-12-19 | 宁波中天联合机电制造有限公司 | Combined-type hydraulic cylinder |
| CN202833398U (en) * | 2012-09-04 | 2013-03-27 | 湖南五新重型装备有限公司 | Combined oil cylinder used for telescopic boom |
| CN202883537U (en) * | 2012-09-07 | 2013-04-17 | 天津市华荣气动液压成套设备有限公司 | Super high temperature resistant air cylinder |
| CN203176045U (en) * | 2013-04-12 | 2013-09-04 | 泸州市江阳区红岩机械有限公司 | Combined oil cylinder |
-
2015
- 2015-02-15 CN CN201510082012.8A patent/CN104696309A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03103602A (en) * | 1989-09-18 | 1991-04-30 | Hitachi Ltd | Heat-resisting cylinder |
| US20040033148A1 (en) * | 2000-10-20 | 2004-02-19 | Dalland Knut O. | Aggregate of pressure medium cylinders |
| CN102454654A (en) * | 2010-10-28 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Air cylinder |
| CN201991864U (en) * | 2011-01-25 | 2011-09-28 | 江苏顺达工程科技有限公司 | Double-cylinder parallel oil cylinder |
| CN202612248U (en) * | 2012-04-19 | 2012-12-19 | 宁波中天联合机电制造有限公司 | Combined-type hydraulic cylinder |
| CN102678666A (en) * | 2012-06-04 | 2012-09-19 | 格力乐液压系统(常州)有限公司 | Water cooling type hydraulic oil cylinder |
| CN202833398U (en) * | 2012-09-04 | 2013-03-27 | 湖南五新重型装备有限公司 | Combined oil cylinder used for telescopic boom |
| CN202883537U (en) * | 2012-09-07 | 2013-04-17 | 天津市华荣气动液压成套设备有限公司 | Super high temperature resistant air cylinder |
| CN203176045U (en) * | 2013-04-12 | 2013-09-04 | 泸州市江阳区红岩机械有限公司 | Combined oil cylinder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906956A (en) * | 2021-10-08 | 2022-01-11 | 吉林省农业科学院 | Industrial charger for black fungus and black fungus jade |
| CN115910638A (en) * | 2022-09-07 | 2023-04-04 | 中国科学院电工研究所 | Large current loop on-off switching mechanism |
| CN115910638B (en) * | 2022-09-07 | 2023-11-14 | 中国科学院电工研究所 | High-current loop on-off switching mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |
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| RJ01 | Rejection of invention patent application after publication |