CN108862089A - A kind of self-locking type hydraulic jack with two-way function - Google Patents
A kind of self-locking type hydraulic jack with two-way function Download PDFInfo
- Publication number
- CN108862089A CN108862089A CN201810829692.9A CN201810829692A CN108862089A CN 108862089 A CN108862089 A CN 108862089A CN 201810829692 A CN201810829692 A CN 201810829692A CN 108862089 A CN108862089 A CN 108862089A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- hole
- jack
- self
- 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
Classifications
-
- 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
-
- 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
- B66F3/26—Adaptations or arrangements of pistons
-
- 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
- B66F2700/00—Lifting apparatus
- B66F2700/05—Hydraulic jacks
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
Abstract
The present invention relates to field of mechanical technique, in particular a kind of self-locking type hydraulic jack with two-way function, including cylinder body, the cylinder interior is equipped with cavity, is equipped with piston in cavity, guide ring is equipped between the piston and cylinder body, the periphery of the cylinder body is arranged with nut, and the wherein one side of the cylinder body is equipped with fuel feed hole, and the other side face of the cylinder body is equipped with oil return hole, and the inside of cylinder body is additionally provided with oil-through-hole, the oil-through-hole is connected to oil return hole.The structure type that the present invention passes through the traditional self-locking jack of improvement, make mechanical self-locking jack can be by fuel feed hole and the oil pressure of oil return hole, piston is allowed to be able to carry out way moving, the degree-of-difficulty factor of jack oil return when not only reducing construction, also to increase the service life of jack, and entire jack structure is compact, rationally distributed, does not impact to the space that jack uses.
Description
Technical field
The present invention relates to field of mechanical technique, specially a kind of self-locking type hydraulic jack with two-way function.
Background technique
In existing structure rectifying by jack up technology implementation process, the involved jack used need to be held for a long time
Lotus state.Since jack cylinder bears weight for a long time, easily damage.So jack is generally changed at present
Into increasing mechanical self-locking device, this self-locking device is to screw a nut by screw thread in jack outer wall to form.But this
Kind self-locking device hinders setting oil return opening, causes the piston of self-locking jack that can only unidirectionally be moved by oil pressure, from
And keep jack oil return extremely difficult, influence site operation.In consideration of it, it is proposed that a kind of self-locking liquid with two-way function
Press jack.
Summary of the invention
The purpose of the present invention is to provide a kind of self-locking type hydraulic jack with two-way function, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of self-locking type hydraulic jack with two-way function, including cylinder body, the cylinder interior are equipped with cavity, cavity
It is interior to be equipped with piston, guide ring is equipped between the piston and cylinder body, the periphery of the cylinder body is arranged with nut, the cylinder body its
Middle one side is equipped with fuel feed hole, and the other side face of the cylinder body is equipped with oil return hole, and the inside of cylinder body is additionally provided with oil-through-hole, institute
Oil-through-hole is stated to be connected to oil return hole.
Preferably, it is equipped between the piston and cylinder body and is used to the sealing element that seals, the sealing element is by cylinder interior
Cavity is divided into upper chamber and lower cavity.
Preferably, it is threadedly coupled between the nut and cylinder body.
Preferably, the fuel feed hole is connected to the lower cavity of cylinder interior, the top of the oil-through-hole and cylinder interior
Cavity connection.
Preferably, high pressure connection is mounted at the aperture of the fuel feed hole and oil return hole.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention makes mechanical self-locking jack that can pass through fuel feed hole by the structure type of the traditional self-locking jack of improvement
And the oil pressure of oil return hole, allow piston to be able to carry out way moving, the degree-of-difficulty factor of jack oil return when not only reducing construction,
To increase the service life of jack, and entire jack structure is compact, rationally distributed, the space used jack
It does not impact.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure：1, piston；2, cylinder body；3, nut；4, guide ring；5, fuel feed hole；6, oil return hole；7, sealing element；8, lead to oil
Hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：
A kind of self-locking type hydraulic jack with two-way function is equipped with inside cylinder body 2 as shown in Figure 1, including cylinder body 2
Cavity, cavity is interior to be equipped with piston 1, the sealing element 7 for being used to seal is equipped between piston 1 and cylinder body 2, sealing element 7 will be inside cylinder body 2
Cavity be divided into upper chamber and lower cavity, between piston 1 and cylinder body 2 be equipped with guide ring 4, the periphery of cylinder body 2 is arranged with spiral shell
Mother 3, is threadedly coupled between nut 3 and cylinder body 2.
Specifically, one circle screw thread of setting at the top of 2 outer wall of cylinder body, installs nut 3, nut 3 can rotate on cylinder body 2, pass through
Rotation, reaches the rise and fall of nut 3, holds out against carrier by nut 3 to reach.
Further, the wherein one side of cylinder body 2 is equipped with fuel feed hole 5, and the lower cavity inside fuel feed hole 5 and cylinder body 2 connects
Logical, the other side face of cylinder body 2 is equipped with oil return hole 6, and the inside of cylinder body 2 is additionally provided with oil-through-hole 8, inside oil-through-hole 8 and cylinder body 2
Upper chamber connection, oil-through-hole 8 is connected to oil return hole 6.
In the present embodiment, it is mounted on high pressure connection at the aperture of fuel feed hole 5 and oil return hole 6, it can be with by high pressure connection
Hydraulic oil into 2 internal cavity of cylinder body applies oil pressure, to control the movement of piston 1.
Working principle of the present invention：Hydraulic oil is inputted 2 lower lumen of cylinder body by fuel feed hole 5 by oil pump, jacks piston 1, complete
The jacking of pairs of carrier；Rotating nuts 3, hold out against carrier；The oil pressure at fuel feed hole 5 is discharged, while oil is applied to oil return hole 6
Pressure, hydraulic oil enter the upper lumen of cylinder body 2 by oil-through-hole 8, and acting in opposition piston 1 promotes piston 1 slowly to return to cylinder body 2
It is internal；Carrier weight passes to cylinder body 2 by nut 3 at this time, then passes to the basis under jack base.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (5)
1. a kind of self-locking type hydraulic jack with two-way function, including cylinder body (2), it is characterised in that：In the cylinder body (2)
Portion is equipped with cavity, is equipped with piston (1) in cavity, is equipped with guide ring (4) between the piston (1) and cylinder body (2), the cylinder body
(2) periphery is arranged with nut (3), and the wherein one side of the cylinder body (2) is equipped with fuel feed hole (5), and the cylinder body (2) is in addition
One side is equipped with oil return hole (6), and the inside of cylinder body (2) is additionally provided with oil-through-hole (8), and the oil-through-hole (8) and oil return hole (6) are even
It is logical.
2. the self-locking type hydraulic jack according to claim 1 with two-way function, it is characterised in that：The piston
(1) sealing element (7) for being used to seal is equipped between cylinder body (2), the internal cavity of cylinder body (2) is divided by the sealing element (7)
Upper chamber and lower cavity.
3. the self-locking type hydraulic jack according to claim 1 with two-way function, it is characterised in that：The nut
(3) it is threadedly coupled between cylinder body (2).
4. the self-locking type hydraulic jack according to claim 1 with two-way function, it is characterised in that：The fuel feed hole
(5) lower cavity internal with cylinder body (2) is connected to, and the oil-through-hole (8) upper chamber internal with cylinder body (2) is connected to.
5. the self-locking type hydraulic jack according to claim 1 with two-way function, it is characterised in that：The fuel feed hole
(5) and at the aperture of oil return hole (6) it is mounted on high pressure connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829692.9A CN108862089A (en) | 2018-07-25 | 2018-07-25 | A kind of self-locking type hydraulic jack with two-way function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829692.9A CN108862089A (en) | 2018-07-25 | 2018-07-25 | A kind of self-locking type hydraulic jack with two-way function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108862089A true CN108862089A (en) | 2018-11-23 |
Family
ID=64305406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810829692.9A Pending CN108862089A (en) | 2018-07-25 | 2018-07-25 | A kind of self-locking type hydraulic jack with two-way function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108862089A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734013A (en) * | 2019-02-27 | 2019-05-10 | 温州易正科技有限公司 | A kind of self-locking type hydraulic jack with two-way function |
| CN110550570A (en) * | 2019-10-08 | 2019-12-10 | 南京东交加固工程有限公司 | Self-locking bridge jacking device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916768A (en) * | 1972-02-24 | 1975-11-04 | Poclain Sa | Hydraulic cylinder for providing reciprocation of a hydraulic jack |
| CN101318615A (en) * | 2008-07-04 | 2008-12-10 | 彭长胜 | Integral double-acting hand jack |
| CN202046834U (en) * | 2011-05-10 | 2011-11-23 | 四川省固特建筑加固技术有限公司 | Double-action hydraulic jack |
| CN103274330A (en) * | 2013-04-18 | 2013-09-04 | 天津市威力工程千斤顶有限公司 | Double-acting jack with mechanical locking function |
| CN208843651U (en) * | 2018-07-25 | 2019-05-10 | 南京奥达升智能科技有限公司 | A kind of self-locking type hydraulic jack with two-way function |
-
2018
- 2018-07-25 CN CN201810829692.9A patent/CN108862089A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916768A (en) * | 1972-02-24 | 1975-11-04 | Poclain Sa | Hydraulic cylinder for providing reciprocation of a hydraulic jack |
| CN101318615A (en) * | 2008-07-04 | 2008-12-10 | 彭长胜 | Integral double-acting hand jack |
| CN202046834U (en) * | 2011-05-10 | 2011-11-23 | 四川省固特建筑加固技术有限公司 | Double-action hydraulic jack |
| CN103274330A (en) * | 2013-04-18 | 2013-09-04 | 天津市威力工程千斤顶有限公司 | Double-acting jack with mechanical locking function |
| CN208843651U (en) * | 2018-07-25 | 2019-05-10 | 南京奥达升智能科技有限公司 | A kind of self-locking type hydraulic jack with two-way function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109734013A (en) * | 2019-02-27 | 2019-05-10 | 温州易正科技有限公司 | A kind of self-locking type hydraulic jack with two-way function |
| CN110550570A (en) * | 2019-10-08 | 2019-12-10 | 南京东交加固工程有限公司 | Self-locking bridge jacking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108862089A (en) | A kind of self-locking type hydraulic jack with two-way function | |
| CN208843651U (en) | A kind of self-locking type hydraulic jack with two-way function | |
| CN113606218B (en) | Truck cab hydraulic oil cylinder | |
| CN202164000U (en) | Oil buffer | |
| CN109356594B (en) | External mud door sealing system for slurry balance shield machine | |
| CN109179249A (en) | A kind of high-intensitive self-locking device of hydraulic device | |
| CN212292622U (en) | Double-acting hydraulic jack with automatic rotating nut locking mechanism | |
| CN212272716U (en) | Two-stage pressurizing hydraulic cylinder | |
| CN208487083U (en) | A kind of oil cylinder with combination sealing arrangement | |
| CN206017128U (en) | Fluid cylinder outlet attachment means | |
| CN107381280A (en) | A kind of stair shaft for being provided with buffer unit | |
| CN209838826U (en) | Hydraulic cylinder of aluminum shell die-casting equipment | |
| CN201916274U (en) | Pre-cylinder with cylinder bottom connected by clip keys | |
| CN206244319U (en) | A kind of Novel jack | |
| CN207673650U (en) | A kind of multi-function composite oil cylinder | |
| CN201496078U (en) | Top cover injection type single hydraulic prop | |
| CN207195352U (en) | Modified cylinder | |
| CN207111580U (en) | Self-adapting type piston rod and piston coupling structure | |
| CN202879623U (en) | Driving cab gap-free sealing lifting pump | |
| CN215213792U (en) | Low-melting-point alloy pressure injection device | |
| CN204082764U (en) | A kind of oil hydraulic cylinder with self-locking device | |
| CN221097043U (en) | Novel front hydraulic cylinder of mining truck dumper | |
| CN106545540B (en) | The lifting gear of the fuel feeding Fuel Tanking Unit and forklift seat cover board of hydraulic cylinder | |
| CN102862613B (en) | The gap-free sealed lifting pump of a kind of driver's cab turnover | |
| CN112443283A (en) | Continuous slurry (gas) supply type elevator |
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 |