CN203906423U - High air tightness combination locking and erecting device - Google Patents
High air tightness combination locking and erecting device Download PDFInfo
- Publication number
- CN203906423U CN203906423U CN201420215624.0U CN201420215624U CN203906423U CN 203906423 U CN203906423 U CN 203906423U CN 201420215624 U CN201420215624 U CN 201420215624U CN 203906423 U CN203906423 U CN 203906423U
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- China
- Prior art keywords
- hydraulic lock
- combination locking
- hydraulic
- hydraulic cylinder
- lock
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- 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 - Lifetime
Links
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The utility model relates to a hydraulic power unit, in particular to a high air tightness combination locking and erecting device which cannot cause deflection after positioning, and aims to provide the high air tightness combination locking and erecting device which is simple in structure and low in cost, causes no deflection after erecting, and is strong in safety. The high air tightness combination locking and erecting device comprises a erecting arm (1), a first hydraulic cylinder (2), an equilibrium valve (3), a reversing valve (4) and a hydraulic system, wherein the equilibrium valve (3) is communicated with a rodless cavity (22) of the first hydraulic cylinder (2); the reversing valve (4) is communicated with a rod cavity (21) through a second pipeline; the lower end of the erecting arm (1) is hinged to a rack; a hydraulic lock (5) is arranged on the communicating pipeline of the reversing valve (4) and the first hydraulic cylinder (2); when the hydraulic lock (5) is closed, oil cannot flow into or out of the rod cavity (21) and/or the rodless cavity (22).
Description
Technical field
The utility model relates to a kind of hydraulic power unit, particularly relates to a perpendicular device that does not occur to be offset behind a kind of location.
Background technique
In erecting equipment (as a perpendicular arm that drives suspension arm of crane to hoist), conventionally take the equilibrium valve of hydraulic pressure installation to make perpendicular arm keep motionless.But only allowed perpendicular arm keep motionless by equilibrium valve, and, because leakage in equilibrium valve is large, sealability is poor, often make perpendicular arm position produce skew, cannot reach the requirement of strict location, even play perpendicular arm and be offset compared with causing greatly and easily peril.
Model utility content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, cost is low, rise after perpendicular be not offset, the high leak tightness combination locking of high safety plays perpendicular device.
The utility model high leak tightness combination locking plays perpendicular device, has comprised perpendicular arm, the first oil hydraulic cylinder, equilibrium valve, selector valve and hydraulic system.The work fluid that described hydraulic system provides is communicated with selector valve.Described selector valve is communicated with equilibrium valve by the first pipeline.Described equilibrium valve is communicated with the rodless cavity of the first oil hydraulic cylinder, selector valve is communicated with rod chamber by second pipe, the piston rod of the first oil hydraulic cylinder is connected with a perpendicular arm upper hinge, and the first oil hydraulic cylinder bottom and frame chain connection, plays perpendicular arm lower end and frame chain connection.The connecting pipe of described selector valve and the first oil hydraulic cylinder is provided with hydraulic lock, and in the time that hydraulic lock is closed, rod chamber and/or rodless cavity are without the fuel-displaced phenomenon of oil-feed.
The utility model high leak tightness combination locking plays perpendicular device, and wherein said hydraulic lock quantity is 2, and it is respectively the first hydraulic lock and the second hydraulic lock, and the first hydraulic lock, the second hydraulic lock are separately positioned on the first pipeline and second pipe.
The utility model high leak tightness combination locking plays perpendicular device, and wherein said hydraulic lock quantity is 1, and it is the first hydraulic lock, and the first hydraulic lock is arranged on the first pipeline.
The utility model high leak tightness combination locking plays perpendicular device, and wherein said hydraulic lock quantity is 1, and it is the second hydraulic lock, and the second hydraulic lock is arranged on second pipe.
The utility model high leak tightness combination locking plays perpendicular device, and the seal form of wherein said hydraulic lock is soft seal.
The utility model high leak tightness combination locking plays perpendicular device, and wherein said perpendicular arm is flexible rod, and the scalable position of playing perpendicular arm is connected with the piston rod of the second oil hydraulic cylinder, and the second oil hydraulic cylinder is for having driven the flexible of perpendicular arm.
The utility model high leak tightness combination locking plays perpendicular device difference from prior art and is that the utility model high leak tightness combination locking plays perpendicular device and controlled the sealing disconnection of pipeline and be communicated with by equilibrium valve and hydraulic lock combination, just can make the piston rod of oil hydraulic cylinder keep motionless at a certain height, reach the requirement of strict location, and be not easy to play perpendicular rear skew because playing perpendicular arm, and generation accident.
The utility model high leak tightness combination locking plays the first hydraulic lock and the second hydraulic lock acting in conjunction in perpendicular device, has prevented that perpendicular arm from rising and declining.
The utility model high leak tightness combination locking plays the first hydraulic lock in perpendicular device can lock the first pipeline, thereby prevents the rodless cavity turnover oil of oil hydraulic cylinder, reaches the effect that prevents that piston rod from retracting, and has prevented the effect that perpendicular arm declines.
The utility model high leak tightness combination locking plays the second hydraulic lock in perpendicular device can lock second pipe, thereby prevents the rod chamber turnover oil of oil hydraulic cylinder, reaches the effect that prevents that piston rod from stretching out, and has prevented the effect that perpendicular arm rises.
The utility model high leak tightness combination locking plays hydraulic lock in perpendicular device takes the form of soft seal, can have sealability well, thereby make perpendicular arm can carry larger pressure.
The utility model high leak tightness combination locking rises and plays perpendicular arm in perpendicular device is flexible rod, and by same Driven by Hydraulic Cylinder, can make like this two oil hydraulic cylinders jointly will play perpendicular arm and boost, and has increased the maximum load of perpendicular arm.Oil hydraulic cylinder bottom and frame chain connection, thus make a vertical angle degree of oil hydraulic cylinder coordinate a vertical angle degree of perpendicular arm.
Below in conjunction with accompanying drawing, high leak tightness combination locking of the present utility model being played to perpendicular device is described further.
Brief description of the drawings
Fig. 1 is the schematic diagram that high leak tightness combination locking plays perpendicular device the first embodiment;
Fig. 2 is the schematic diagram that high leak tightness combination locking plays perpendicular device the second embodiment;
Fig. 3 is the schematic diagram that high leak tightness combination locking plays perpendicular device the 3rd embodiment.
Embodiment
Embodiment 1
As shown in Figure 1, the utility model high leak tightness combination locking plays perpendicular device and has comprised perpendicular arm 1, the first oil hydraulic cylinder 2, equilibrium valve 3, oil cylinder, hydraulic lock 5 and hydraulic system.The work fluid that hydraulic system provides is communicated with selector valve 4.Selector valve 4 is communicated with equilibrium valve 3 by the first pipeline.Equilibrium valve 3 is communicated with the rodless cavity 22 of the first oil hydraulic cylinder 2, and selector valve 4 is communicated with rod chamber 21 by second pipe, and the piston rod 211 of oil hydraulic cylinder 2 is connected with perpendicular arm 1 upper hinge, oil hydraulic cylinder 2 bottoms and frame chain connection.Play perpendicular arm 1 lower end and frame chain connection.Described perpendicular arm 1 is flexible rod, and the scalable position of playing perpendicular arm 1 is fixedly connected with the piston rod of the second oil hydraulic cylinder, and the second oil hydraulic cylinder has been positioned at perpendicular arm 1 inside, and the second oil hydraulic cylinder is for having driven the flexible of perpendicular arm 1.The second oil hydraulic cylinder is identical with the shape and structure valve location of the first oil hydraulic cylinder 2.Hydraulic lock 5 comprises the first hydraulic lock 51 and the second hydraulic lock 52.Selector valve 4 is provided with the first hydraulic lock 51 with first pipeline that is communicated with of oil hydraulic cylinder 2, and the second pipe that selector valve 4 is communicated with oil hydraulic cylinder 5 is provided with the second hydraulic lock 52.The seal form of the first hydraulic lock 51 and the second hydraulic lock 52 is soft seal, the first hydraulic lock 51 and the second hydraulic lock 52 sealing ring materials are all nitrile rubber, when the first hydraulic lock 51 and the second hydraulic lock are closed jointly, rod chamber 21 and rodless cavity 22 are all without oil-feed and fuel-displaced phenomenon, and the long-time strict maintenance of piston rod 211 is motionless.
Embodiment 2
As shown in Figure 2, the present embodiment 2 is with embodiment 1 difference, and the first pipeline is provided with the first hydraulic lock 51, and referring to Fig. 1, second pipe does not have the second hydraulic lock 52.When the first hydraulic lock 51 is closed, rodless cavity 22 is without fuel-displaced phenomenon, and piston rod 211 can not be retracted for a long time.
Embodiment 3
As shown in Figure 3, the present embodiment 3 is with embodiment 1 difference, the first pipeline does not have the first hydraulic lock 51, second pipe is provided with the second hydraulic lock 52, the second hydraulic lock 52 while opening, second pipe path, when the second hydraulic lock 52 is closed, second pipe sealing is opened circuit, and rod chamber 21 is without fuel-displaced phenomenon, and piston rod 211 can not stretch out for a long time.
When use, will hydraulic lock 5 be set on the first pipeline and/or second pipe according to need of work, and in needs, close hydraulic lock 5, make piston rod 211 motionless above and/or under keeping, thereby reach high-precision job requirement, ensure staff's personal safety.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (6)
1. a high leak tightness combination locking plays perpendicular device, comprise perpendicular arm (1), the first oil hydraulic cylinder (2), equilibrium valve (3), selector valve (4) and hydraulic system, the work fluid that described hydraulic system provides is communicated with selector valve (4), described selector valve (4) is communicated with equilibrium valve (3) by the first pipeline, described equilibrium valve (3) is communicated with the rodless cavity (22) of the first oil hydraulic cylinder (2), selector valve (4) is communicated with rod chamber (21) by second pipe, the piston rod (211) of the first oil hydraulic cylinder (2) is connected with perpendicular arm (1) upper hinge, the first oil hydraulic cylinder (2) bottom and frame chain connection, play perpendicular arm (1) lower end and frame chain connection, it is characterized in that: described selector valve (4) is provided with hydraulic lock (5) with the connecting pipe of the first oil hydraulic cylinder (2), in the time that hydraulic lock (5) is closed, rod chamber (21) and/or rodless cavity (22) are without the fuel-displaced phenomenon of oil-feed.
2. high leak tightness combination locking according to claim 1 plays perpendicular device, it is characterized in that: described hydraulic lock (5) quantity is 2, it is respectively the first hydraulic lock (51) and the second hydraulic lock (52), and the first hydraulic lock (51), the second hydraulic lock (52) are separately positioned on the first pipeline and second pipe.
3. high leak tightness combination locking according to claim 1 plays perpendicular device, it is characterized in that: described hydraulic lock (5) quantity is 1, and it is the first hydraulic lock (51), and the first hydraulic lock (51) is arranged on the first pipeline.
4. high leak tightness combination locking according to claim 1 plays perpendicular device, it is characterized in that: described hydraulic lock (5) quantity is 1, and it is the second hydraulic lock (52), and the second hydraulic lock (52) is arranged on second pipe.
5. play perpendicular device according to the high leak tightness combination locking described in claim 2 or 3 or 4, it is characterized in that: the seal form of described hydraulic lock (5) is soft seal.
6. high leak tightness combination locking according to claim 5 plays perpendicular device, it is characterized in that: described perpendicular arm (1) is flexible rod, the scalable position of playing perpendicular arm (1) is connected with the piston rod of the second oil hydraulic cylinder, and the second oil hydraulic cylinder is for having driven the flexible of perpendicular arm (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215624.0U CN203906423U (en) | 2014-04-29 | 2014-04-29 | High air tightness combination locking and erecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215624.0U CN203906423U (en) | 2014-04-29 | 2014-04-29 | High air tightness combination locking and erecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906423U true CN203906423U (en) | 2014-10-29 |
Family
ID=51780706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420215624.0U Expired - Lifetime CN203906423U (en) | 2014-04-29 | 2014-04-29 | High air tightness combination locking and erecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837901A (en) * | 2017-04-12 | 2017-06-13 | 北京机械设备研究所 | A kind of Erecting System control method for reducing hydraulic starting impact |
| CN110345813A (en) * | 2019-07-19 | 2019-10-18 | 北京航天发射技术研究所 | Elevator Erecting System and perpendicular control method for rocket off-shore launching platform frame |
-
2014
- 2014-04-29 CN CN201420215624.0U patent/CN203906423U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837901A (en) * | 2017-04-12 | 2017-06-13 | 北京机械设备研究所 | A kind of Erecting System control method for reducing hydraulic starting impact |
| CN106837901B (en) * | 2017-04-12 | 2018-04-20 | 北京机械设备研究所 | A kind of Erecting System control method for reducing hydraulic starting impact |
| CN110345813A (en) * | 2019-07-19 | 2019-10-18 | 北京航天发射技术研究所 | Elevator Erecting System and perpendicular control method for rocket off-shore launching platform frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |