CN207961098U - A kind of quickly lifting hydraulic device - Google Patents
A kind of quickly lifting hydraulic device Download PDFInfo
- Publication number
- CN207961098U CN207961098U CN201720159907.1U CN201720159907U CN207961098U CN 207961098 U CN207961098 U CN 207961098U CN 201720159907 U CN201720159907 U CN 201720159907U CN 207961098 U CN207961098 U CN 207961098U
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- oil circuit
- rod chamber
- connect
- 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.)
- Expired - Fee Related
Links
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
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
A kind of quickly lifting hydraulic device, including elevating ram, combination valve block, rod chamber oil circuit, rodless cavity oil circuit and oil supply mechanism, the elevating ram includes rod chamber and rodless cavity, the combination valve block includes unidirectional stop valve and two-way shut-off valve, the oil supply mechanism includes oil pump and fuel tank, the oil pump is arranged on the external oil collecting road of the fuel tank, for pumping；Under lifting state：The oil pump is connect by oil circuit with one end of the two-way shut-off valve；The oil pump is connect by the rod chamber oil circuit with the rod chamber, and the other end of the two-way shut-off valve is connect by the rodless cavity oil circuit with the rodless cavity；Under decline state：The oil pump is connect by rod chamber oil circuit with the rod chamber, and the rodless cavity is connect by rodless cavity oil circuit with the unidirectional stop valve oil inlet end, and the unidirectional stop valve oil outlet end is connect by oil circuit with the fuel tank, and advantage is to greatly promote lifting speed.
Description
Technical field
The utility model belongs to Hydraulic Field, and in particular to a kind of hydraulic device improving lifting efficiency.
Background technology
Most common application of the hydraulic pressure lifting device as hydraulic transmission technology, appears in big and small various engineering fields
In the middle, the structure of common hydraulic pressure lifting device is as follows, including elevating ram, oil circuit and fuel tank, and during use, fuel tank is to oil
One end of cylinder fills hydraulic oil, pushes piston rod, while the other end of oil cylinder flows back hydraulic oil into fuel tank, when with direction
When opposite, which is reversed, because oil circuit is long during pushing, the filling speed of hydraulic oil is limited, so living
It is long to fill in stroke cycle, lifting is slow, in the case of not heavy by lifting object, influences very much working efficiency.
Utility model content
For overcome the deficiencies in the prior art, the purpose of the utility model is to provide a kind of hydraulic pressure promoting lifting efficiency
Device.
The technical solution of the utility model is as follows：
A kind of quickly lifting hydraulic device, including elevating ram, combination valve block, rod chamber oil circuit, rodless cavity oil circuit and confession
Oil machine structure, the elevating ram include rod chamber and rodless cavity, and the combination valve block includes unidirectional stop valve and two-way shut-off valve,
The oil supply mechanism includes oil pump and fuel tank, and the oil pump is arranged on the external oil collecting road of the fuel tank, for pumping；It is lifting
Under state：The oil pump is connect by oil circuit with one end of the two-way shut-off valve；The oil pump passes through the rod chamber oil circuit
It is connect with the rod chamber, the other end of the two-way shut-off valve is connect by the rodless cavity oil circuit with the rodless cavity；
Under decline state：The oil pump is connect by rod chamber oil circuit with the rod chamber, the rodless cavity by rodless cavity oil circuit with
The unidirectional stop valve oil inlet end connection, the unidirectional stop valve oil outlet end are connect by oil circuit with the fuel tank.
Oil circuit and the rod chamber oil circuit connection between the oil pump and the two-way shut-off valve is fuel-displaced in the oil pump
The external oil collecting road at end.
The elevating ram is provided with one group.
The elevating ram is provided at least two groups, and elevating ram is arranged in parallel described in every group, the fast lifting device
Further include multi-channel synchronous device, the multi-channel synchronous device is arranged on the rodless cavity oil circuit, the multi-channel synchronous device point
Do not pass through the rodless cavity unicom of oil circuit and each elevating ram；In lifting state, the multi-channel synchronous device passes through described
Rodless cavity oil circuit is connect with the two-way shut-off valve；In decline state, the multi-channel synchronous device passes through the rodless cavity oil circuit
It is connect with the unidirectional stop valve.
The oil supply mechanism further includes check valve, and the check valve is arranged on the external oil collecting road of the oil pump oil outlet end.
The quick lifting hydraulic device further includes overflow valve, and the overflow valve includes flow spill valve and overflow passage, institute
Overflow passage is stated to be arranged in the both ends of the flow spill valve, the external oil collecting of one end of the overflow passage and the one-way valved outlet
Road connects, and the other end of the overflow valve is connect with the fuel tank.
Piping connection between the overflow valve pipeline and the unidirectional stop valve and the fuel tank is in the outer of the fuel tank
Take over road.
The quick lifting hydraulic device further includes throttle valve, and the throttle valve is arranged on the rod chamber oil circuit, institute
Throttle valve one end is stated to connect with the collective piping of the multi-channel synchronous device by the rod chamber oil circuit；Under lifting state,
The throttle valve other end is connect by the rod chamber oil circuit with the two-way shut-off valve；Under decline state, the throttling
The valve other end is connect by the rod chamber oil circuit with the entrance of the unidirectional stop valve.
The quick lifting hydraulic device further includes the first hydraulic pressure fast switching plug and the second hydraulic pressure fast switching plug, and described first
Hydraulic pressure fast switching plug is arranged on the rod chamber oil circuit；The second hydraulic pressure fast switching plug is arranged in the rodless cavity oil circuit
On.
The program it is a technical advantage that, greatly promote the lifting efficiency of lifting device.
Description of the drawings
Fig. 1 is the pipeline schematic diagram of the utility model.
Reference numeral is as follows：
1 --- --- --- oil supply mechanism, 4 --- rod chamber oil circuit, 5 --- rodless cavity of combination valve block, 3 of elevating ram, 2
Oil circuit.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
A kind of quickly lifting hydraulic device, including elevating ram 1, combination valve block 2, rod chamber oil circuit 4, rodless cavity oil circuit 5
With oil supply mechanism 3, the elevating ram 1 includes rod chamber and rodless cavity, and the combination valve block 2 includes unidirectional stop valve and double
To shut-off valve, the oil supply mechanism 3 includes oil pump and fuel tank, and the oil pump is arranged on the external oil collecting road of the fuel tank, is used for
Oil pumping；Under lifting state：The oil pump is connect by oil circuit with one end of the two-way shut-off valve；The oil pump passes through described
Rod chamber oil circuit 4 is connect with the rod chamber, and the other end of the two-way shut-off valve passes through the rodless cavity oil circuit 5 and the nothing
Rod cavity connects；Under decline state：The oil pump is connect by rod chamber oil circuit 4 with the rod chamber, and the rodless cavity passes through
Rodless cavity oil circuit 5 is connect with the unidirectional stop valve oil inlet end, and the unidirectional stop valve oil outlet end passes through oil circuit and the fuel tank
Connection.
Specifically, the rod chamber oil circuit 4 extends respectively to the rod chamber and described pair from the oil outlet end of the oil pump
To one end of shut-off valve, the rodless cavity oil circuit 5 extends respectively to described two-way from the rodless cavity oil circuit 5 from the rodless cavity
The oil inlet end of the other end of shut-off valve and the unidirectional stop valve.Under lifting state, the two-way shut-off valve is in an open state,
The unidirectional stop valve is in off state, and hydraulic oil is by oil circuit from the mailbox and the rod chamber simultaneously to the rodless cavity
The piston rod of flowing, the elevating ram 1 is quickly pushed to rod chamber direction；Under decline state, the two-way stop
Valve is in off state, and the unidirectional stop valve is in an open state, and hydraulic oil is flowed from the fuel tank to the rod chamber, while institute
The hydraulic oil stated in rodless cavity passes back into the fuel tank by the unidirectional stop valve.Meanwhile when the pressure of lifting article is excessive
When, the two-way shut-off valve is closed, prevents hydraulic oil from flowing back from rodless cavity to rod chamber.
Further, the oil circuit between the oil pump and the two-way shut-off valve is connected to institute with the rod chamber oil circuit 4
State the external oil collecting road of oil pump oil outlet end.
Further, the elevating ram is provided with one group.
The advantage of the program is：It is simple using one group of elevating ram oil piping system, prevent because groups oil cylinders lift
Loading caused by speed is inconsistent is toppled.
Further, the elevating ram 1 is provided at least two groups, and multigroup elevating ram 1 is arranged in parallel, described fast
Fast lifting device further includes multi-channel synchronous device, and the multi-channel synchronous device is arranged on the rodless cavity oil circuit 5, described mostly logical
Road synchronizer passes through the rodless cavity unicom of oil circuit and each elevating ram 1 respectively；In lifting state, the multi-channel synchronous
Device is connect by the rodless cavity oil circuit 5 with the two-way shut-off valve；In decline state, the multi-channel synchronous device passes through described
Rodless cavity oil circuit 5 is connect with the unidirectional stop valve.
Specifically, the rod chamber oil circuit 4 is connect with each rod chamber respectively by bleed off circuit, likewise,
The multi-channel synchronous device is connect also by the bleed off circuit of internal shunt oil circuit or outside with the rodless cavity oil circuit 5, each
The rodless cavity is connected also by oil circuit connection in the multi-channel synchronous device, and the meaning of the program is, individual piston
The hoistable platform stress that the hydraulic device of bar promotion is mating is clearly unstable, and four group oil cylinders of setting drive four groups of piston rods to push away
Dynamic hoistable platform lifting meets actual use situation, in this condition, has the consistent of the rodless cavity oil inlet quantities of oil cylinders more, just non-
It is often important, it is no inconsistent it will cause stroke is lifted, so as to cause the mating inclined consequence of hoistable platform.
Further, the oil supply mechanism 3 further includes check valve, and the check valve is arranged in the outer of the oil pump oil outlet end
It connects on oil circuit.
The advantage of the technical solution is：Prevent hydraulic oil from understanding that the oil pump pours in down a chimney.
Further, the quick lifting hydraulic device further includes overflow valve, and the overflow valve includes flow spill valve and overflows
Flow tube road, the overflow passage are arranged at the both ends of the flow spill valve, and one end of the overflow passage goes out with the check valve
The external oil circuit connection of mouth, the other end of the overflow valve are connect with the fuel tank.
The advantage of the technical solution is：Stablize the hydraulic pressure in oil circuit.
Further, the piping connection between the overflow valve pipeline and the unidirectional stop valve and the fuel tank is described
On the external pipeline of fuel tank.
Further, the quick lifting hydraulic device further includes throttle valve, and the throttle valve is arranged in the rod chamber
On oil circuit 4, described throttle valve one end is connect by the rod chamber oil circuit 4 with the collective piping of the multi-channel synchronous device；
Under lifting state, the throttle valve other end is connect by the rod chamber oil circuit 4 with the two-way shut-off valve；Declining state
Under, the throttle valve other end is connect by the rod chamber oil circuit 4 with the entrance of the unidirectional stop valve.
The advantage of the technical solution is：Coordinate the overflow valve, regulates and controls the hydraulic pressure in oil circuit.
The quick lifting hydraulic device further includes the first hydraulic pressure fast switching plug and the second hydraulic pressure fast switching plug, and described first
Hydraulic pressure fast switching plug is arranged on the rod chamber oil circuit 4；The second hydraulic pressure fast switching plug is arranged in the rodless cavity oil circuit 5
On.
Specifically, in conventional use, elevating ram 1 and oil supply mechanism 3 also have combination valve block 2 be often because
Maintenance, equipment replacement, the reasons dismounting such as equipment movement, the advantage of the technical solution is in the quick lifting hydraulic device
It needs under the usage scenario that the short time detaches, without draining hydraulic oil, simplifies operation.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (9)
1. a kind of quickly lifting hydraulic device, it is characterised in that：Including elevating ram, combination valve block, rod chamber oil circuit, rodless cavity
Oil circuit and oil supply mechanism, the elevating ram include rod chamber and rodless cavity, and the combination valve block includes unidirectional stop valve and double
To shut-off valve, the oil supply mechanism includes oil pump and fuel tank, and the oil pump is arranged on the external oil collecting road of the fuel tank, for taking out
Oil；
Under lifting state：The oil pump is connect by oil circuit with one end of the two-way shut-off valve；The oil pump passes through described
Rod chamber oil circuit is connect with the rod chamber, and the other end of the two-way shut-off valve passes through the rodless cavity oil circuit and the no bar
Chamber connects；
Under decline state：The oil pump is connect by rod chamber oil circuit with the rod chamber, and the rodless cavity passes through rodless cavity
Oil circuit is connect with the unidirectional stop valve oil inlet end, and the unidirectional stop valve oil outlet end is connect by oil circuit with the fuel tank.
2. a kind of quickly lifting hydraulic device according to claim 1, it is characterised in that：The oil pump and two-way section described
Only the oil circuit between valve and the rod chamber oil circuit connection are on the external oil collecting road of the oil pump oil outlet end.
3. a kind of quickly lifting hydraulic device according to claim 2, it is characterised in that：The elevating ram is provided with one
Group.
4. a kind of quickly lifting hydraulic device according to claim 2, it is characterised in that：The elevating ram be provided with to
Two groups few, two groups of elevating rams are arranged in parallel, and the fast lifting device further includes multi-channel synchronous device, the multichannel
Synchronizer is arranged on the rodless cavity oil circuit, and the multi-channel synchronous device passes through oil circuit and each elevating ram respectively
Rodless cavity unicom；In lifting state, the multi-channel synchronous device is connect by the rodless cavity oil circuit with the two-way shut-off valve；
In decline state, the multi-channel synchronous device is connect by the rodless cavity oil circuit with the unidirectional stop valve.
5. a kind of quickly lifting hydraulic device according to any one of claims 1 to 4, it is characterised in that：The fuel feeding
Mechanism further includes check valve, and the check valve is arranged on the external oil collecting road of the oil pump oil outlet end.
6. a kind of quickly lifting hydraulic device according to any one of claims 1 to 4, it is characterised in that：It is described quick
It further includes overflow valve to lift hydraulic device, and the overflow valve includes flow spill valve and overflow passage, and the overflow passage setting exists
The both ends of the flow spill valve, the external oil circuit connection of one end of the overflow passage and the one-way valved outlet, the overflow
The other end of valve is connect with the fuel tank.
7. a kind of quickly lifting hydraulic device according to claim 6, it is characterised in that：The overflow passage and the list
To the piping connection between shut-off valve and the fuel tank on the external pipeline of the fuel tank.
8. a kind of quickly lifting hydraulic device according to claim 4, it is characterised in that：The quick lifting hydraulic device
Further include throttle valve, the throttle valve is arranged on the rod chamber oil circuit, and described throttle valve one end passes through rod chamber oil
Road is connect with the collective piping of the multi-channel synchronous device；Under lifting state, the throttle valve other end has bar by described
Chamber oil circuit is connect with the two-way shut-off valve；Under decline state, the throttle valve other end by the rod chamber oil circuit with
The entrance of the unidirectional stop valve connects.
9. a kind of quickly lifting hydraulic device according to any one of claims 1 to 4, it is characterised in that：It is described quick
Lifting hydraulic device further includes the first hydraulic pressure fast switching plug and the second hydraulic pressure fast switching plug, the first hydraulic pressure fast switching plug setting
On the rod chamber oil circuit；The second hydraulic pressure fast switching plug is arranged on the rodless cavity oil circuit.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720159907.1U CN207961098U (en) | 2017-02-21 | 2017-02-21 | A kind of quickly lifting hydraulic device |
| CN201780000321.3A CN108738331B (en) | 2017-02-21 | 2017-05-05 | Hydraulic device lifts fast |
| PCT/CN2017/083281 WO2018152971A1 (en) | 2017-02-21 | 2017-05-05 | Rapid lifting hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720159907.1U CN207961098U (en) | 2017-02-21 | 2017-02-21 | A kind of quickly lifting hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207961098U true CN207961098U (en) | 2018-10-12 |
Family
ID=63253395
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720159907.1U Expired - Fee Related CN207961098U (en) | 2017-02-21 | 2017-02-21 | A kind of quickly lifting hydraulic device |
| CN201780000321.3A Active CN108738331B (en) | 2017-02-21 | 2017-05-05 | Hydraulic device lifts fast |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780000321.3A Active CN108738331B (en) | 2017-02-21 | 2017-05-05 | Hydraulic device lifts fast |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN207961098U (en) |
| WO (1) | WO2018152971A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738331A (en) * | 2017-02-21 | 2018-11-02 | 深圳市凯卓立液压设备股份有限公司 | A kind of quickly lifting hydraulic device |
| CN111664144A (en) * | 2020-04-22 | 2020-09-15 | 武汉船用机械有限责任公司 | Hydraulic system of bolt type lifting platform |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963397A (en) * | 2021-03-31 | 2021-06-15 | 武汉海博瑞科技有限公司 | Marine hydraulic lifting device for jacking heavy object and control method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4312824A1 (en) * | 1993-04-20 | 1994-10-27 | Rexroth Mannesmann Gmbh | Hydraulic control of bulkhead partitions |
| JP3776213B2 (en) * | 1997-09-02 | 2006-05-17 | 石川島建機株式会社 | Working machine hydraulic circuit |
| CN1202000C (en) * | 1999-09-10 | 2005-05-18 | Mvp(香港)工业有限公司 | Fluid-pressure jack able to automatically adjust its lifting speed |
| CN201693168U (en) * | 2010-08-16 | 2011-01-05 | 中国重型机械研究院有限公司 | Synchronous hydraulic device for flow-dividing motor |
| CN202097266U (en) * | 2011-05-04 | 2012-01-04 | 济南铸造锻压机械研究所有限公司 | Electric hydraulic control device of numerical control flat punching machine |
| CN202245776U (en) * | 2011-08-11 | 2012-05-30 | 三一汽车起重机械有限公司 | Oil cylinder telescoping control device, elevator boom and hoisting machinery |
| CN103899586B (en) * | 2014-04-23 | 2016-03-02 | 南通恒力重工机械有限公司 | A kind of super sized type guillotine shear synchronization hydraulic system based on flow divider-combiner |
| DE102014218887B3 (en) * | 2014-09-19 | 2016-01-28 | Voith Patent Gmbh | Hydraulic drive with fast lift and load stroke |
| CN105782154B (en) * | 2016-05-27 | 2018-07-17 | 桥弘数控科技（上海）有限公司 | The control method of hydraulic pressure processing machine and its hydraulic system and the hydraulic system |
| CN106246632B (en) * | 2016-09-18 | 2017-12-15 | 上海衡拓船舶设备有限公司 | The spud leg fast lifting hydraulic circuit of hydraulic bolt formula jacking system |
| CN207961098U (en) * | 2017-02-21 | 2018-10-12 | 深圳市凯卓立液压设备股份有限公司 | A kind of quickly lifting hydraulic device |
-
2017
- 2017-02-21 CN CN201720159907.1U patent/CN207961098U/en not_active Expired - Fee Related
- 2017-05-05 CN CN201780000321.3A patent/CN108738331B/en active Active
- 2017-05-05 WO PCT/CN2017/083281 patent/WO2018152971A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738331A (en) * | 2017-02-21 | 2018-11-02 | 深圳市凯卓立液压设备股份有限公司 | A kind of quickly lifting hydraulic device |
| CN111664144A (en) * | 2020-04-22 | 2020-09-15 | 武汉船用机械有限责任公司 | Hydraulic system of bolt type lifting platform |
| CN111664144B (en) * | 2020-04-22 | 2022-11-22 | 武汉船用机械有限责任公司 | Hydraulic system of bolt type lifting platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108738331A (en) | 2018-11-02 |
| WO2018152971A1 (en) | 2018-08-30 |
| CN108738331B (en) | 2020-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: RAPID LIFTING HYDRAULIC DEVICE Effective date of registration: 20191101 Granted publication date: 20181012 Pledgee: Shenzhen city science and technology financing Company limited by guarantee Pledgor: Shenzhen kaizhuoli Hydraulic Equipment Co., Ltd.|Jiangsu kaizhuoli Hydraulic Equipment Co., Ltd Registration number: Y2019440020016 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201027 Granted publication date: 20181012 Pledgee: Shenzhen city science and technology financing Company limited by guarantee Pledgor: SHENZHEN CADRO HYDRAULIC EQUIPMENT Co.,Ltd.|JIANGSU CADRO HYDRAULIC EQUIPMENT Co.,Ltd. Registration number: Y2019440020016 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |