CN209293763U - Underwater hydraulic damping device - Google Patents
Underwater hydraulic damping device Download PDFInfo
- Publication number
- CN209293763U CN209293763U CN201821967465.4U CN201821967465U CN209293763U CN 209293763 U CN209293763 U CN 209293763U CN 201821967465 U CN201821967465 U CN 201821967465U CN 209293763 U CN209293763 U CN 209293763U
- Authority
- CN
- China
- Prior art keywords
- air bag
- underwater
- damper cylinder
- telescopic rod
- damping device
- 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.)
- Active
Links
Abstract
The utility model relates to a kind of underwater hydraulic damping devices, it is fixedly mounted on the bottom of underwater equipment, include: the first damper cylinder, its inner upper end is fixedly installed the first air bag, its bottom end offers seawater inlet and outlet, seawater is imported and exported the inside of the first damper cylinder of injection by the seawater, forms seawater chamber in the lower section of the first air bag；Second damper cylinder, inner upper end are fixedly installed the second air bag；Telescopic rod is inserted by the bottom end nozzle of the second damper cylinder, and the top of the telescopic rod is in contact with the second air bag；Connecting tube, connection are arranged between the first air bag and the second air bag, make to be connected between the first air bag and the second air bag.The utility model is realized and is acted on the vibration damping of underwater equipment and shock resistance, effectively improve safety and reliability by converting the pressure difference of seawater to the up and down motion of telescopic rod.
Description
Technical field
The utility model relates to a kind of damping device, in particular to a kind of hydraulic shock-absorptions for underwater oil winning apparatus
Device belongs to the technical field of underwater oil Mining Equipment.
Background technique
With the continuous development of human society and science and technology, we are also increasing for the demand of the energy, thus
So that the mankind are more and more frequent for the exploration of the underwater energy, therefore underwater various engineering constructions and investment also constantly increase.
In order to develop deep-sea oil gas resource, it is therefore desirable to use submerged production system, also relative remission petroleum resources demand is increasingly
Nervous sharp gesture.
Underwater hydraulic device is a kind of underwater equipment more important in submerged production system, is mainly used for whole or portion
Oil-gas gathering and transportation equipment is divided to be fixedly installed on seabed.Underwater hydraulic device is mounted on submerged production system, low with maintenance cost,
The small characteristic of installation space.
Because the uncertain vibration facter that seabed has is sufficiently complex and frequent, easily to all kinds of engineerings built under water
Equipment, including the generations such as submerged production equipment greatly destroy.Therefore, it is necessary to hydraulic shock-absorption dress is installed on various underwater equipments
It sets, provides effective protecting against shock and damping for underwater equipment.
Currently, existing traditional land is all to be implemented by manual control with hydraulic damping device, in closed water
It is not available in lower environment and meets needs.
Therefore, the utility model proposes a kind of underwater hydraulic damping devices, solve disadvantage and limit existing in the prior art
System is applied to underwater equipment for the exploitation of deep-sea oil gas resource, has protecting against shock and damping effect, enhances underwater equipment
Safety and reliability.
Utility model content
The purpose of the utility model is to provide a kind of underwater hydraulic damping device, by converting the pressure difference of seawater to stretching
The up and down motion of contracting bar is realized and is acted on the vibration damping of underwater equipment and shock resistance, effectively improves safety and reliability.
In order to achieve the above object, the utility model proposes a kind of underwater hydraulic damping device, fixed installation is set under water
Standby bottom includes: the first damper cylinder, and inner upper end is fixedly installed the first air bag, and bottom end offers seawater inlet and outlet,
Seawater is imported and exported the inside of the first damper cylinder of injection by the seawater, forms seawater chamber in the lower section of the first air bag；Second damper cylinder,
Its inner upper end is fixedly installed the second air bag；Telescopic rod is inserted by the bottom end nozzle of the second damper cylinder, and the telescopic rod
Top is in contact with the second air bag；Connecting tube, connection are arranged between the first air bag and the second air bag, make the first air bag and second
It is connected between air bag.
The underwater equipment are as follows: well head production channel, subsea production tree, valve or the pipe of subsea field drilling-production equipment
It converges；And well head production channel, subsea production tree, valve or the manifold of underwater gas field drilling-production equipment.
It is bolted to connection between the plant bottom case of first damper cylinder and underwater equipment；Described second subtracts
It is fixedly connected between shake cylinder and the plant bottom case of underwater equipment also by bolt.
The top of the telescopic rod is provided with one layer of etch-proof soft material, buffers between telescopic rod and the second air bag
Contact.
Multiple tracks O-ring seal is provided between the top sidewall of the telescopic rod and the inner wall of the second damper cylinder.
It is provided with waterproof sealing lid on the bottom end nozzle of second damper cylinder, passes through spiral shell between the second damper cylinder
Line connection, forms the flat seal between the bottom end nozzle and telescopic rod of the second damper cylinder.
First air bag and the second inside air bag inflated with nitrogen gas.
First air bag and the second air bag is all made of the both ends that underwater gas-tpe fitting is connected to connecting tube.
First damper cylinder, the second damper cylinder and the telescopic rod is all made of anticorrosion steel and is made.
In conclusion underwater hydraulic damping device described in the utility model, there is modularization, integrated, intelligentized
Advantage, by converting the pressure difference of seawater to the up and down motion of telescopic rod, to realize the vibration damping and anti-impact to underwater equipment
The effect of hitting effectively improves the safety and reliability of underwater equipment, extends the service life of underwater equipment, reduces maintenance maintenance,
Reduce cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the underwater hydraulic damping device in the utility model；
Fig. 2 is the hydraulic principle figure of the underwater hydraulic damping device in the utility model.
Specific embodiment
Below in conjunction with Fig. 1 and Fig. 2, by preferred embodiment to the technology contents of the utility model, construction feature, reached
Purpose and efficacy is described in detail.
As shown in Figure 1, being underwater hydraulic damping device provided by the utility model, it is fixedly mounted on the bottom of underwater equipment
Portion includes: the first damper cylinder 21, and inner upper end is fixedly installed the first air bag 41, and bottom end offers seawater inlet and outlet 1,
Seawater forms seawater chamber 3 in the lower section of the first air bag 41 by the inside of 1 the first damper cylinder 21 of injection of seawater inlet and outlet；Second
Damper cylinder 22, inner upper end are fixedly installed the second air bag 42；Telescopic rod 9 is inserted by the bottom end nozzle of the second damper cylinder 22
Enter, and the top of the telescopic rod 9 is in contact with the second air bag 42；Connecting tube 5, connection are arranged in the first air bag 41 and the second air bag
Between 42, make to be connected between the first air bag 41 and the second air bag 42.
In the preferred embodiment of the utility model, the underwater equipment is specifically included: subsea field drilling-production equipment
Well head produces channel, subsea production tree, valve or manifold；And the well head of underwater gas field drilling-production equipment produces channel, adopts under water
Oil tree, valve or manifold etc..
It is bolted to connection between the plant bottom case 6 of first damper cylinder 21 and underwater equipment；Described
It is fixedly connected between two damper cylinders 22 and the plant bottom case 6 of underwater equipment also by bolt.
In the preferred embodiment of the utility model, 4 underwater hydraulics are installed on the plant bottom case 6 of each underwater equipment
Damping device is located at 4 corner positions, effectively reduces the vibration of underwater equipment, while having the function of protecting against shock.
The top of the telescopic rod 9 is additionally provided with one layer of etch-proof soft material 7 (such as rubber material), flexible
Buffer function is played between bar 9 and the second air bag 42, prevents telescopic rod 9 due to excessively violent up and down motion by the second air bag 42
It punctures, underwater hydraulic damping device is further prevented to fail because of gas leakage.
It is provided with multiple tracks O-ring seal between the top sidewall of the telescopic rod 9 and the inner wall of the second damper cylinder 22, is prevented
Only telescopic rod 9 punctures the second air bag 42 because of rub between the inner wall of the second damper cylinder 22 metal fragment of generation of moving up and down,
Underwater hydraulic damping device is further prevented to fail because of gas leakage.
In a preferred embodiment of the utility model, as shown in Figure 1, the top sidewall in telescopic rod 9 subtracts with second
It shakes and is disposed with 3 O-ring seals between the inner wall of cylinder 22.
Be additionally provided with waterproof sealing lid 10 on the bottom end nozzle of second damper cylinder 22, with the second damper cylinder 22 it
Between be connected through a screw thread, by using the waterproof sealing lid 10 formed the second damper cylinder 22 bottom end nozzle and telescopic rod 9 between
Flat seal, thus prevent seawater inject the second damper cylinder 22 inside.
The bottom of the telescopic rod 9 is provided with flat base 11, to increase the stability of underwater hydraulic damping device.
The inner tip of first damper cylinder 21 is provided with the first fixed plate 12, and the first air bag 41 is fixed at this
In first fixed plate 12, and internal inflated with nitrogen (N2) gas.
The inner tip of second damper cylinder 22 is provided with the second fixed plate 13, and the second air bag 42 is fixed at this
In second fixed plate 13, and internal inflated with nitrogen (N2) gas.
First air bag 41 and the second air bag 42 is all made of dedicated underwater gas-tpe fitting and is connected to the two of connecting tube 5
End effectively prevent air bag gas leakage to guarantee the sealing performance of two air bags, further prevents underwater hydraulic damping device because of leakage
Gas and fail.
First damper cylinder 21, the second damper cylinder 22 and the telescopic rod 9 is all made of underwater dedicated anticorrosion steel
It is made.
As depicted in figs. 1 and 2, underwater hydraulic damping device provided by the utility model, by connecting tube 5 by two air bags
It connects and is connected to, when generating vibration, using the pressure difference by the seawater in 1 injection seawater chamber 3 of seawater inlet and outlet, realize two gas
Capsule reduces accordingly and increases, and is transferred to telescopic rod 9 and realizes that it moves up and down and discharges, to realize the function of damping.Tool
Body, when shaking generation, seawater compresses the first air bag 41, due to the second air bag 42 by 1 injection seawater chamber 3 of seawater inlet and outlet
It is connected to the first air bag 41, so that the expansion of the second air bag 42 increases, so that telescopic rod 9 be pushed to transport downwards in the second damper cylinder 22
It is dynamic.And during vibration continuously generates, seawater can also be imported and exported 1 outflow seawater chamber 3 by seawater, and the first air bag 41 is swollen at this time
Swollen increase, and the compression of the second air bag 42 is reduced, so that telescopic rod 9 moves upwards in the second damper cylinder 22.Therefore, water when vibration
The power that lower hydraulic damping device is subject to, which is converted by the pressure difference of seawater to the up and down motion of telescopic rod 9, to be released, to realize
Damping and shock proof effect.
In conclusion underwater hydraulic damping device described in the utility model, there is modularization, integrated, intelligentized
Advantage, by converting the pressure difference of seawater to the up and down motion of telescopic rod, to realize the vibration damping and anti-impact to underwater equipment
The effect of hitting effectively improves the safety and reliability of underwater equipment, extends the service life of underwater equipment, reduces maintenance maintenance,
Reduce cost.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (9)
1. a kind of underwater hydraulic damping device, which is characterized in that be fixedly mounted on the bottom of underwater equipment, include:
First damper cylinder, inner upper end are fixedly installed the first air bag, and bottom end offers seawater inlet and outlet, and seawater is by the sea
Water entrance injects the inside of the first damper cylinder, forms seawater chamber in the lower section of the first air bag；
Second damper cylinder, inner upper end are fixedly installed the second air bag；
Telescopic rod is inserted by the bottom end nozzle of the second damper cylinder, and the top of the telescopic rod is in contact with the second air bag；
Connecting tube, connection are arranged between the first air bag and the second air bag, make to be connected between the first air bag and the second air bag.
2. underwater hydraulic damping device as described in claim 1, which is characterized in that the underwater equipment is subsea field brill
Adopt well head production channel, subsea production tree, valve or the manifold of equipment；And the well head production of underwater gas field drilling-production equipment is logical
Road, subsea production tree, valve or manifold.
3. underwater hydraulic damping device as claimed in claim 2, which is characterized in that first damper cylinder and underwater equipment
Plant bottom case between be bolted to connection；Between the plant bottom case of second damper cylinder and underwater equipment also by
Bolt is fixedly connected.
4. underwater hydraulic damping device as described in claim 1, which is characterized in that the top of the telescopic rod is provided with one
The etch-proof soft material of layer, buffers the contact between telescopic rod and the second air bag.
5. underwater hydraulic damping device as described in claim 1, which is characterized in that the top sidewall of the telescopic rod and the
Multiple tracks O-ring seal is provided between the inner wall of two damper cylinders.
6. underwater hydraulic damping device as described in claim 1, which is characterized in that the bottom end nozzle of second damper cylinder
On be provided with waterproof sealing lid, be connected through a screw thread between the second damper cylinder, formed the second damper cylinder bottom end nozzle with
Flat seal between telescopic rod.
7. underwater hydraulic damping device as described in claim 1, which is characterized in that in first air bag and the second air bag
Portion's inflated with nitrogen gas.
8. underwater hydraulic damping device as claimed in claim 7, which is characterized in that first air bag and the second air bag is equal
The both ends of connecting tube are connected to using underwater gas-tpe fitting.
9. underwater hydraulic damping device as described in claim 1, which is characterized in that first damper cylinder, the second damping
Cylinder and telescopic rod are all made of anticorrosion steel and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821967465.4U CN209293763U (en) | 2018-11-27 | 2018-11-27 | Underwater hydraulic damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821967465.4U CN209293763U (en) | 2018-11-27 | 2018-11-27 | Underwater hydraulic damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293763U true CN209293763U (en) | 2019-08-23 |
Family
ID=67646252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821967465.4U Active CN209293763U (en) | 2018-11-27 | 2018-11-27 | Underwater hydraulic damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209293763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184627A (en) * | 2018-11-27 | 2019-01-11 | 美钻深海能源科技研发（上海）有限公司 | Underwater hydraulic damping device |
-
2018
- 2018-11-27 CN CN201821967465.4U patent/CN209293763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184627A (en) * | 2018-11-27 | 2019-01-11 | 美钻深海能源科技研发（上海）有限公司 | Underwater hydraulic damping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204000906U (en) | A kind of novel low water head can reuse riverway cofferdam | |
| CN209293763U (en) | Underwater hydraulic damping device | |
| CN204311987U (en) | A kind of tubing string plug slip-type underground snubber | |
| CN109184627A (en) | Underwater hydraulic damping device | |
| CN204040979U (en) | Hi-pot test well low frictional resistance logging cable sealer | |
| CN201567998U (en) | Drainage gas production well head sealed suspending device | |
| CN2900762Y (en) | Gas pressurizing shock reducer | |
| CN204175857U (en) | A kind of single-barrel shock absorber air-supported structure | |
| CN207333958U (en) | A kind of seabed flexible pipe laying fixing device | |
| CN102561987B (en) | Steam injection thermosensitive expanding and folding type multiple-segment packer | |
| CN203067017U (en) | Device for preventing spraying of coal or gas in drilling and cutting | |
| CN206360713U (en) | A kind of two pass seam waterproof device with segment bolt connector box duct pieces of shield tunnel | |
| CN102116148A (en) | Machine exploitation test pipe string for floating drilling rig | |
| CN204871547U (en) | Hydraulic drive's discharge orifice automatic start/stop device | |
| CN106958618A (en) | A kind of marine riser damping with Vibrant buffer function is single | |
| CN210768619U (en) | Sea geotechnical engineering reconnaissance probing operation wave compensation casing pipe device | |
| CN208416504U (en) | A kind of device of advance reinforcement deep-sea gas hydrates reservoir | |
| CN207018416U (en) | Marine riser damping with Vibrant buffer function is single | |
| CN201778736U (en) | Anti-corrosion cap for underwater well head | |
| CN205937856U (en) | Gaseous bellows combination valve of SF6 | |
| CN205691587U (en) | A kind of experimental provision of Geological Engineering | |
| CN214741318U (en) | Anti-reflection pumping-promoting equipment for aggressive liquid and liquid carbon dioxide | |
| CN204877855U (en) | Extend neck part of compressor | |
| CN204199258U (en) | A kind of reclaim oil fence floating drum for offshore spilled oil fill exhaust port | |
| CN204040927U (en) | Water filling deslagging gas drainage drill stem |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |