CN111115490A - Anti-unbalance-loading jack hydraulic oil cylinder - Google Patents
Anti-unbalance-loading jack hydraulic oil cylinder Download PDFInfo
- Publication number
- CN111115490A CN111115490A CN201811283072.6A CN201811283072A CN111115490A CN 111115490 A CN111115490 A CN 111115490A CN 201811283072 A CN201811283072 A CN 201811283072A CN 111115490 A CN111115490 A CN 111115490A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- hydraulic oil
- piston rod
- cylinder body
- concave spherical
- 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
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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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- 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
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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
- F15B15/20—Other details, e.g. assembly with regulating devices
Abstract
The invention discloses an anti-unbalance loading jack hydraulic oil cylinder, which comprises a hydraulic oil cylinder body (1), a piston rod (2), a concave spherical flange (3) and a gland (4), wherein the piston rod (2) is arranged in the inner cavity of the hydraulic oil cylinder body (1), the top end of the piston rod (2) extends out of the hydraulic oil cylinder body (1), a convex ball head (5) is arranged at the center of the top end of the piston rod (2), the gland (4) is arranged on the piston rod (2), the concave spherical surface (6) is arranged at the center of the concave spherical flange (3), the concave spherical flange (3) is arranged on one side of the gland (4), a closed loop electro-hydraulic control pipeline system (7) for controlling the pressure of the inner cavity of the hydraulic oil cylinder body (1) is arranged on one side of the hydraulic oil cylinder body (1), and a sealing piece (8) which is in contact with the piston rod (2) is arranged at the end part of the hydraulic oil cylinder body (1). The invention adopts the anti-unbalance-loading hydraulic oil cylinder of the jack, enhances the anti-unbalance-loading capability and effectively avoids the condition that the jack is damaged because the jack is not stressed on the center.
Description
Technical Field
The invention relates to the technical field of mechanical engineering, in particular to an anti-unbalance-loading jack hydraulic oil cylinder.
Background
At present, the problem of serious unbalance loading easily occurs in the existing jack, and the jack is damaged because the stress is not in the center. Therefore, it is necessary for those skilled in the art to develop a hydraulic cylinder of an anti-unbalanced load jack.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an anti-unbalance-loading jack hydraulic oil cylinder.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the piston rod is arranged in an inner cavity of the hydraulic cylinder body, the top end of the piston rod extends out of the hydraulic cylinder body, a convex ball head is arranged at the center of the top end of the piston rod, the gland is arranged on the piston rod, a concave spherical surface is arranged at the center of the concave spherical flange and matched with the concave spherical surface, the concave spherical flange is arranged on one side of the gland, so that the concave spherical flange and the piston rod form an integral structure, a closed-loop electro-hydraulic control pipeline system used for controlling the pressure of the inner cavity of the hydraulic cylinder body is arranged on one side of the hydraulic cylinder body, a sealing element in contact with the piston rod is arranged at the end of the hydraulic cylinder body, and the sealing element is used for ensuring the sealing of the inner cavity of the hydraulic.
Preferably, the hydraulic oil cylinder body, the piston rod, the concave spherical flange and the gland are all made of stainless steel materials.
Preferably, the piston rod and the convex ball head are of an integrally formed structure.
Based on the technical scheme, compared with the prior art, the invention has the following technical advantages:
the invention adopts the anti-unbalance-loading jack hydraulic oil cylinder, has reasonable structural design, enhances the anti-unbalance-loading capability and effectively avoids the condition that the jack is damaged because the jack is not stressed on the center.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the hydraulic control system comprises a hydraulic oil cylinder body, 2 piston rods, 3 concave spherical flange, 4 gland, 5 convex ball heads, 6 concave spherical surfaces, 7 closed-loop electro-hydraulic control pipeline systems and 8 sealing elements.
Detailed Description
The invention is further explained below with reference to the figures and examples.
As shown in figure 1, the anti-unbalance-loading jack hydraulic oil cylinder comprises a hydraulic oil cylinder body 1, a piston rod 2, a concave spherical flange 3 and a gland 4, wherein the piston rod 2 is arranged in an inner cavity of the hydraulic oil cylinder body 1, the top end of the piston rod 2 extends out of the hydraulic oil cylinder body 1, and the center of the top end of the piston rod 2 is provided with a convex ball head 5, the gland 4 is arranged on the piston rod 2, the concave spherical flange 3 is provided with a concave spherical surface 6 at the center, the convex ball head 5 is matched with the concave spherical surface 6, the concave spherical surface flange 3 is arranged at one side of the gland 4, thereby the concave spherical flange 3 and the piston rod 2 form an integral structure, one side of the hydraulic oil cylinder body 1 is provided with a closed loop electro-hydraulic control pipeline system 7 for controlling the pressure of the inner cavity of the hydraulic oil cylinder body 1, the end part of the hydraulic oil cylinder body 1 is provided with a sealing element 8 which is contacted with the piston rod 2, and the sealing element 8 is used for ensuring the sealing of the inner cavity of the hydraulic oil cylinder body 1.
The hydraulic oil cylinder body 1, the piston rod 2, the concave spherical flange 3 and the gland 4 are all made of stainless steel materials. The piston rod 2 and the convex spherical head 5 are of an integrally formed structure.
When the concave spherical flange 3 has an offset load, the convex ball head 5 and the concave spherical surface 6 are adjusted in a matching way, so that the piston rod 2 is always stressed in the center, and the purpose of resisting the offset load is achieved.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application for any one or more of the advantages to be realized, whether simple changes in construction and/or implementation in some embodiments are possible in the practice of the invention.
Claims (3)
1. The utility model provides an anti unbalance loading jack hydraulic cylinder which characterized in that: the hydraulic oil cylinder comprises a hydraulic oil cylinder body (1), a piston rod (2), a concave spherical flange (3) and a gland (4), wherein the piston rod (2) is arranged in an inner cavity of the hydraulic oil cylinder body (1), the top end of the piston rod (2) extends out of the hydraulic oil cylinder body (1), a convex ball head (5) is arranged at the center of the top end of the piston rod (2), the gland (4) is arranged on the piston rod (2), a concave spherical surface (6) is arranged at the center of the concave spherical flange (3), the convex ball head (5) is matched with the concave spherical surface (6), the concave spherical flange (3) is arranged on one side of the gland (4), so that the concave spherical flange (3) and the piston rod (2) form an integral structure, a closed-loop electro-hydraulic control pipeline system (7) for controlling the pressure of the inner cavity of the hydraulic oil cylinder body (1) is arranged on one side of the hydraulic oil cylinder body (1), and a sealing element, the sealing element (8) is used for ensuring the sealing of the inner cavity of the hydraulic oil cylinder body (1).
2. The anti-unbalanced load jack hydraulic cylinder of claim 1, wherein: the hydraulic oil cylinder body (1), the piston rod (2), the concave spherical flange (3) and the gland (4) are all made of stainless steel materials.
3. The anti-unbalanced load jack hydraulic cylinder of claim 1, wherein: the piston rod (2) and the convex spherical head (5) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283072.6A CN111115490A (en) | 2018-10-31 | 2018-10-31 | Anti-unbalance-loading jack hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811283072.6A CN111115490A (en) | 2018-10-31 | 2018-10-31 | Anti-unbalance-loading jack hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111115490A true CN111115490A (en) | 2020-05-08 |
Family
ID=70485067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811283072.6A Pending CN111115490A (en) | 2018-10-31 | 2018-10-31 | Anti-unbalance-loading jack hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111115490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720507A (en) * | 2022-04-07 | 2022-07-08 | 中国长江三峡集团有限公司 | Rock thermal expansion coefficient measuring device and method under in-situ condition |
-
2018
- 2018-10-31 CN CN201811283072.6A patent/CN111115490A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720507A (en) * | 2022-04-07 | 2022-07-08 | 中国长江三峡集团有限公司 | Rock thermal expansion coefficient measuring device and method under in-situ condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200929 Address after: 225300 Jiangsu province Taizhou Taidong Industrial Park No. 8 Applicant after: Taizhou Hailing Hydraulic Machinery Co.,Ltd. Address before: 225300 Hailing Industrial Park, Taizhou City, Jiangsu Province, No. 8, Taidong Industrial Park Applicant before: Ding Kefang |
|
| TA01 | Transfer of patent application right |