CN206091904U - Hydraulic cylinder type wire rope tensioning ware - Google Patents
Hydraulic cylinder type wire rope tensioning ware Download PDFInfo
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- CN206091904U CN206091904U CN201621098362.XU CN201621098362U CN206091904U CN 206091904 U CN206091904 U CN 206091904U CN 201621098362 U CN201621098362 U CN 201621098362U CN 206091904 U CN206091904 U CN 206091904U
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Abstract
The utility model provides a hydraulic cylinder type wire rope tensioning ware, including air piping system (1), oil cylinder system (2) and hydraulic system (3), its characterized in that, oil cylinder system (2) including pneumatic cylinder (20), top sheave group (21), lower pulley block (22) and cable wire (23), air piping system (1) including energy storage ware (10), work gas cylinder (12) and main gas valve (14), the hydraulic pressure chamber of hydraulic system (3) no pole chamber and energy storage ware through pipeline and pneumatic cylinder (20) between the tube coupling for give the no pole chamber pressurization of pneumatic cylinder (20). The utility model discloses a wire rope tensioning ware simple structure can be arranged in floating drilling platform drilling operation, can compensate relevant shaft boring machine and at the motion state in the relative seabed in seabed, keep the normal position in the relative seabed of shaft boring machine, satisfies the drilling operation requirement.
Description
Technical field
This utility model is related to technical field of engineering machinery, and in particular to a kind of fluid cylinder shaped steel wire rope stretcher.
Background technology
It is well known that in technical field of engineering machinery, steel wire rope is largely used to power transmission or conveying material equipment.Offshore drill
Well platform at sea, is all the time subjected to the impact of ocean wave because of long-term work.At present marine drilling platform wave is mended
Repay and mainly marine drilling platform is compensated with the motion of ocean wave using compensation of undulation locomotorium, put down marine drilling
The position of platform is relative to be kept essentially stationary with seabed.Compensation of undulation locomotorium is mainly to adaptation to ultra deepwater drilling field and oil recovery
The new technique direction of operation is developed, and typically the stroke of compensating cylinder is amplified using wire rope pulley system.But, at present
The compensation of undulation locomotorium of marine drilling platform also has that complex structure, movement travel be short, compensation ability is little, and reliability,
The problems such as Operational Figure Of Merit and relatively low service life.
The content of the invention
Goal of the invention of the present utility model is to provide a kind of fluid cylinder shaped steel wire rope stretcher, the steel wire rope tensioning device structure letter
It is single, in can be used in floating drilling platform drillng operation, motion shape of the related drilling equipment in the relative seabed in seabed can be compensated
State, keeps drilling equipment with respect to the resting position in seabed, meets drillng operation requirement.
Concrete technical scheme of the present utility model is a kind of fluid cylinder shaped steel wire rope stretcher, including air system, oil cylinder system
System and hydraulic system, it is characterised in that
Described cylinder system includes hydraulic cylinder, top sheave group, lower sheave group and cable wire, and described top sheave group is dynamic cunning
Wheel group, is fixedly connected with the free end of hydraulic cylinder piston rod, and described lower sheave group is fixed pulley group, with the cylinder body of hydraulic cylinder and
Ocean platform is fixedly connected, and described cable wire is wound in top sheave group and lower sheave group and forms pulley mechanism, and cable wire one end is fixed
It is connected on undersea device, the other end of cable wire is fixedly connected on ocean platform,
Described air system includes accumulator, work gas cylinder and main air valve, and described accumulator has is lived with accumulator
Air chamber and hydraulic cavities that plug separates, the air chamber of accumulator is linked in sequence by pipeline with main air valve and work gas cylinder, accumulation of energy
The hydraulic cavities of device are connected by pipeline with the rodless cavity of hydraulic cylinder,
Described hydraulic system is connected by the pipeline between pipeline and the rodless cavity of hydraulic cylinder and the hydraulic cavities of accumulator,
For pressurizeing to the rodless cavity of hydraulic cylinder.
Further, described top sheave group and lower sheave group has respectively the pulley of two parallel connections, described fixation
The stroke of the cable wire one end being connected on undersea device is 4 times of the piston rod stroke of hydraulic cylinder.
Further, described air system also includes bailout bottle gas bomb pressure charging valve, and described bailout bottle leads to
The pipeline connection crossed between pipeline and work gas cylinder and main air valve, the pipeline for connecting bailout bottle is provided with gas bomb pressure charging valve.
Further, described air system also includes relief valve and erosion control isolating valve, and described relief valve is arranged on
On the pipeline of the air chamber of connection accumulator, described erosion control isolating valve is arranged on the pipeline of the hydraulic cavities of connection accumulator.
Further, described air system also includes bypass valve, accumulator air bleeding valve and work gas cylinder air bleeding valve, institute
The bypass valve stated is installed in parallel on the pipeline of main air valve both sides by pipeline, and described accumulator air bleeding valve one end valve port passes through
Pipeline is connected on the pipeline between relief valve and main air valve, the other end valve port of accumulator air bleeding valve and atmosphere, described
Work gas cylinder air bleeding valve one end valve port be connected on the pipeline between work gas cylinder and main air valve by pipeline, work gas cylinder row
The other end valve port of air valve and atmosphere.
The beneficial effects of the utility model are as follows：
1) heave of ship and platform can be compensated, reduces the relative motion of seabed work equipment and seabed, and
Constant tensioning load, the work of the final normal table for ensureing seabed work equipment is kept to improve work efficiency.Can control
The stress of seabed work equipment and displacement, and support cable wire can be made in the case where hull or platform are made vertically as well as horizontally
Tension force is held essentially constant, and does not cause and the damages such as bending, torsion occurs by support equipment；
2) superpressure of all gas pressure vessel all realizes safeguard protection by relief valve, breathes freely in air；Hydraulic cylinder
Rod end superpressure realizes protection by the relief valve in shut-off valve, if liquid is over-pressed, will return to accumulator；
3) configure anti-reflective and rush equipment, can normally disengage in the failure of single hydraulic cylinder, equipment, equipment is emergent situations such as disengage
Under work.
Description of the drawings
Fig. 1 is the composition structural representation of fluid cylinder shaped steel wire rope stretcher of the present utility model.
Specific embodiment
The technical solution of the utility model is further described with reference to Figure of description.
As shown in Figure 1, a kind of fluid cylinder shaped steel wire rope stretcher of the present utility model, including air system 1, cylinder system
2 and hydraulic system 3.
Described cylinder system 2 includes hydraulic cylinder 20, top sheave group 21, lower sheave group 22 and cable wire 23, described upper cunning
Wheel group 21 is running block, is fixedly connected with the free end of the piston rod of hydraulic cylinder 20, and described lower sheave group 22 is fixed pulley group,
It is fixedly connected with the cylinder body and ocean platform of hydraulic cylinder 20, described cable wire 23 is wound on shape in top sheave group 21 and lower sheave group 22
Into pulley mechanism, the one end of cable wire 23 is fixedly connected on undersea device, and the other end of cable wire 23 is fixedly connected on ocean platform.
Described top sheave group 21 and lower sheave group 22 has respectively the pulley of two parallel connections, and described is fixedly connected on undersea device
The stroke of the one end of cable wire 23 be 4 times of piston rod stroke of hydraulic cylinder 20.When the piston rod stroke of hydraulic cylinder 20 is 3.75 meters,
The move distance of cable wire 23 is 15 meters.So, in the case of this utility model stretcher physical dimension is less, will compensation distance into
Increase again.
The piston rod surface of hydraulic cylinder 20 is ceramic coating, and piston and piston rod movement speed are very high and while have two kinds
Working media, therefore the Performance And Reliability of the sealing of airdraulic actuator is very high.
Described air system 1 includes accumulator 10, bailout bottle 11, work gas cylinder 12, gas bomb pressure charging valve 13, main gas
Valve 14, bypass valve 15, accumulator air bleeding valve 16, work gas cylinder air bleeding valve 17, relief valve 18 and erosion control isolating valve 19, described storage
Can device 10 there is the air chamber and hydraulic cavities separated with accumulator piston, the air chamber of accumulator by pipeline and main air valve 14 and
Work gas cylinder 12 is linked in sequence, and the hydraulic cavities of accumulator are connected by pipeline with the rodless cavity of hydraulic cylinder 20.Described cushion gas
Bottle 11 is provided with storage by the pipeline connection between pipeline and work gas cylinder 12 and main air valve 14, the pipeline for connecting bailout bottle 11
Gas cylinder pressure charging valve 13.Described relief valve 18 is arranged on the pipeline of the air chamber of connection accumulator 10, and relief valve 18 is used to prevent
Only the air pressure in accumulator 10 exceedes default safety value.
Described erosion control isolating valve 19 is arranged on the pipeline of the hydraulic cavities of connection accumulator 10.The work of erosion control isolating valve 19
With being, if cables break, the erosion control isolating valve 19 will immediately shut off, and the cylinder body of hydraulic cylinder 20 will be extended to entirely with low-down speed
Stroke, prevents that hazardness is impacted, so as to prevent cylinder body and miscellaneous equipment impaired.The piston of accumulator 10 is with ni cr
The carbon steel material of layer is made.
Described bypass valve 15 is installed in parallel on the pipeline of the both sides of main air valve 14 by pipeline, and bypass valve 15 is a pin
Shape valve, for balance the pressure in the supply pipe of work gas cylinder 12 and in accumulator 10 is connected to.
The described one end valve port of accumulator air bleeding valve 16 is connected to the pipe between relief valve 18 and main air valve 14 by pipeline
Lu Shang, the other end valve port of accumulator air bleeding valve 16 and atmosphere, the described one end valve port of work gas cylinder air bleeding valve 17 passes through
Pipeline is connected on the pipeline between work gas cylinder 12 and main air valve 14, the other end valve port and air of the gas cylinder air bleeding valve 17 that works
Connection.
Described hydraulic system 3 is connected by the pipeline between pipeline and the rodless cavity of hydraulic cylinder 20 and the hydraulic cavities of accumulator
Connect, for giving the pressurization of the rodless cavity of hydraulic cylinder 20.
On floating drilling platform, wave motion can cause platform to move, and affect feasibility, efficiency and the peace of drillng operation
Quan Xing.By stretcher of the present utility model, kinestate of the related drilling equipment in the relative seabed in seabed can be compensated, be kept
Drilling equipment to reduce the relative motion of drilling equipment and seabed, and keeps constant tension force to carry with respect to the resting position in seabed
Lotus, to reduce impact of the platform heave movement to drilling equipment, meets drillng operation requirement.
Stretcher of the present utility model can be with pair-wise combination, device full symmetric installation each other.Each is symmetrically mounted opposite
Hydraulic cylinder be connected with cable wire, form a set of stretcher.So, when the tension force in set of device reduce deflate with cables break or
When sliding etc., there is tension variation in the oil cylinder of relative position simultaneously, it is to avoid produce in deep ocean work equipment support ring obvious
Side force.
Because the rising of seabed work equipment easily increases cable tension, hydraulic cylinder piston rod resets long so as to increase cable wire
Degree is so that selected cable wire keeps tensioning state.When piston rod resets, cylinder inner fluid flows through seabed work equipment erosion control isolating valve,
Into the hydraulic cavities of accumulator, the air in the air chamber of accumulator will be compressed in gas cylinder.Due to seabed work
Equipment sinking easily reduces cable tension, and in-cylinder pressure stretches can cylinder, thus makes selected cable wire keep tensioning state.Work as cylinder body
During stretching, extension, the air expansion in gas cylinder, to keep in-cylinder pressure.
Air applies pressure to the fluid in accumulator, applies pressure to cylinder body under the equal pressure of fluid, to produce cylinder body
Support force.
During normal operating, the compensation system of this utility model stretcher composition will not deflate.It is used for air compressor in increase gas
Pressure level of tension, and replace lost air.Every air compressor machine adopts dried-air drier, will reduce asking by caused by solidifying water
Topic.
Claims (5)
1. a kind of fluid cylinder shaped steel wire rope stretcher, including air system (1), cylinder system (2) and hydraulic system (3), its feature
It is,
Described cylinder system (2) includes hydraulic cylinder (20), top sheave group (21), lower sheave group (22) and cable wire (23), described
Top sheave group (21) be running block, be fixedly connected with the free end of hydraulic cylinder (20) piston rod, described lower sheave group
(22) it is fixed pulley group, is fixedly connected with the cylinder body and ocean platform of hydraulic cylinder (20), described cable wire (23) is wound on top sheave
Pulley mechanism is formed in group (21) and lower sheave group (22), cable wire (23) one end is fixedly connected on undersea device, cable wire (23)
The other end be fixedly connected on ocean platform,
Described air system (1) includes accumulator (10), work gas cylinder (12) and main air valve (14), described accumulator (10)
With the air chamber and hydraulic cavities that are separated with accumulator piston, the air chamber of accumulator is by pipeline and main air valve (14) and work
Gas cylinder (12) is linked in sequence, and the hydraulic cavities of accumulator are connected by pipeline with the rodless cavity of hydraulic cylinder (20),
Described hydraulic system (3) is connected by the pipeline between pipeline and the rodless cavity and the hydraulic cavities of accumulator of hydraulic cylinder (20)
Connect, for giving the pressurization of the rodless cavity of hydraulic cylinder (20).
2. a kind of fluid cylinder shaped steel wire rope stretcher as claimed in claim 1, it is characterised in that described top sheave group (21) and
Lower sheave group (22) has respectively a pulley of two parallel connections, described cable wire (23) one end being fixedly connected on undersea device
Stroke is 4 times of the piston rod stroke of hydraulic cylinder (20).
3. a kind of fluid cylinder shaped steel wire rope stretcher as claimed in claim 1, it is characterised in that described air system (1) is also
Including bailout bottle (11) and gas bomb pressure charging valve (13), described bailout bottle (11) by pipeline and work gas cylinder (12) and
Pipeline connection between main air valve (14), the pipeline for connecting bailout bottle (11) is provided with gas bomb pressure charging valve (13).
4. a kind of fluid cylinder shaped steel wire rope stretcher as claimed in claim 3, it is characterised in that described air system (1) is also
Including relief valve (18) and erosion control isolating valve (19), described relief valve (18) is installed in the air chamber of connection accumulator (10)
On pipeline, described erosion control isolating valve (19) is on the pipeline of the hydraulic cavities of connection accumulator (10).
5. a kind of fluid cylinder shaped steel wire rope stretcher as claimed in claim 4, it is characterised in that described air system (1) is also
Including bypass valve (15), accumulator air bleeding valve (16) and work gas cylinder air bleeding valve (17), described bypass valve (15) is by pipeline
It is installed in parallel on the pipeline of main air valve (14) both sides, described accumulator air bleeding valve (16) one end valve port is connected to by pipeline
On pipeline between relief valve (18) and main air valve (14), the other end valve port and atmosphere of accumulator air bleeding valve (16), institute
Work gas cylinder air bleeding valve (17) one end valve port stated is connected to the pipe between work gas cylinder (12) and main air valve (14) by pipeline
Lu Shang, the other end valve port and atmosphere of the gas cylinder air bleeding valve (17) that works.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098362.XU CN206091904U (en) | 2016-09-29 | 2016-09-29 | Hydraulic cylinder type wire rope tensioning ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098362.XU CN206091904U (en) | 2016-09-29 | 2016-09-29 | Hydraulic cylinder type wire rope tensioning ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206091904U true CN206091904U (en) | 2017-04-12 |
Family
ID=58482531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621098362.XU Active CN206091904U (en) | 2016-09-29 | 2016-09-29 | Hydraulic cylinder type wire rope tensioning ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206091904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679004A (en) * | 2018-07-30 | 2018-10-19 | 本钢板材股份有限公司 | A kind of hydraulic system energy accumulator station and the method using energy accumulator station inflated with nitrogen |
| CN109987530A (en) * | 2019-04-01 | 2019-07-09 | 南通力威机械有限公司 | Compensation of undulation piston tensioner and its application method |
-
2016
- 2016-09-29 CN CN201621098362.XU patent/CN206091904U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679004A (en) * | 2018-07-30 | 2018-10-19 | 本钢板材股份有限公司 | A kind of hydraulic system energy accumulator station and the method using energy accumulator station inflated with nitrogen |
| CN109987530A (en) * | 2019-04-01 | 2019-07-09 | 南通力威机械有限公司 | Compensation of undulation piston tensioner and its application method |
| CN109987530B (en) * | 2019-04-01 | 2024-05-17 | 南通力威机械有限公司 | Wave compensated piston tensioner and method of use |
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