CN209975550U - Pile clamping device for jacket installation - Google Patents
Pile clamping device for jacket installation Download PDFInfo
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- CN209975550U CN209975550U CN201920649228.1U CN201920649228U CN209975550U CN 209975550 U CN209975550 U CN 209975550U CN 201920649228 U CN201920649228 U CN 201920649228U CN 209975550 U CN209975550 U CN 209975550U
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Abstract
The utility model relates to a pile clamping device for jacket installation, wherein a pile clamping device sleeve is arranged on a pile sleeve, and a plurality of pile clamping device oil cylinders are arranged on the pile clamping device sleeve along the circumferential direction; the control frame is arranged on the pile clamping device sleeve and is provided with an ROV interface; an oil tank in the pump station is communicated with the ROV interface through an oil pipe, and the pile clamping device oil cylinders are respectively connected in parallel with the ROV interface through oil pipes; each pile clamping device oil cylinder comprises a cylinder body, a cylinder bottom and a piston rod, the bottom of the cylinder body is hermetically connected with the cylinder bottom, the piston rod is accommodated in the cylinder body, the cylinder body is respectively provided with an oil inlet A and an oil outlet A, and the oil inlet A and the oil outlet A are respectively connected with an ROV interface through oil pipes; and oil in the oil tank is pumped into the ROV interface through the oil pump, and is respectively supplied to each pile clamping device oil cylinder through the ROV interface, so that a piston rod of each pile clamping device oil cylinder is driven to extend out and abut against a steel pile in the pile sleeve, and the installation and the fixation of the jacket are realized. The utility model discloses the card stake is firm, and factor of safety is high.
Description
Technical Field
The utility model belongs to marine jacket installation field, specifically speaking are jacket installation is with card stake ware.
Background
As an infrastructure for offshore oil and gas development, the design, construction and installation of an offshore platform are crucial links in offshore oil and gas development, and the construction and installation level marks the development level of offshore oil and gas to a certain extent. Due to unpredictability of marine natural environment, the change of sea bottom terrain is large, and the structure and the size of the ocean platform are complex and large, so that the installation of the ocean platform is extremely complex. Leveling operations are very important during installation of a jacket of an offshore platform.
SUMMERY OF THE UTILITY MODEL
In order to satisfy the installation demand of the jacket of platform, an object of the utility model is to provide a jacket installation is with card stake ware.
The purpose of the utility model is realized through the following technical scheme:
the utility model comprises a pile clamping device sleeve, a pile clamping device oil cylinder and a control frame, wherein the pile clamping device sleeve is arranged on the pile sleeve, and a plurality of pile clamping device oil cylinders are arranged on the pile clamping device sleeve along the circumferential direction; the control frame is arranged on the pile clamping device sleeve, and an ROV interface is arranged on the control frame; an oil tank in the pump station is communicated with the ROV interface through an oil pipe, and each pile clamping device oil cylinder is connected in parallel to the ROV interface through the oil pipe; each pile clamping device oil cylinder comprises a cylinder body, a cylinder bottom and a piston rod, the bottom of the cylinder body is hermetically connected with the cylinder bottom, the piston rod is accommodated in the cylinder body, the cylinder body is respectively provided with an oil inlet A and an oil outlet A, and the oil inlet A and the oil outlet A are respectively connected with the ROV interface through oil pipes; oil in the oil tank is pumped into an ROV interface through an oil pump, the oil is respectively supplied to each pile clamping device oil cylinder through the ROV interface, a piston rod of each pile clamping device oil cylinder is driven to extend out and abut against a steel pile in a pile sleeve, and therefore the jacket is installed and fixed;
wherein: the side surfaces of the front end and the rear end of the piston rod are respectively contacted with the inner wall of the cylinder body through sealing guide assemblies, a reducing structure is arranged between the sealing guide assemblies at the two ends of the piston rod, an annular space B is formed between the sealing guide assemblies and the inner wall of the cylinder body, and the annular space B is communicated with the oil outlet A; one end of the piston rod is connected with a pressing block, and the other end of the piston rod is connected with the cylinder bottom through an anti-rotation piece; one end of the cylinder bottom, which faces the piston rod, is of a reducing structure, an annular space A is formed between the cylinder bottom and the inner wall of the cylinder body, the annular space A is communicated with the oil inlet A, and the piston rod of each pile clamping device oil cylinder independently drives the compression block to abut against the steel pile in the pile sleeve;
the sealing guide assembly comprises a guide sleeve, an O-shaped sealing ring and a brass ring, the O-shaped sealing ring is sleeved on the piston rod, and the brass ring is sleeved outside the O-shaped sealing ring; the guide sleeve is positioned between the piston rod and the inner wall of the cylinder body, and the guide sleeve is positioned on one side or two sides of the axial direction of the O-shaped sealing ring;
the anti-rotation part is a pin shaft which is an eccentric stepped shaft; the other end of the piston rod is provided with a pin hole A along the axial direction, the cylinder bottom is provided with a pin hole B, and the axial center line of the pin hole A and the axial center line of the pin hole B are eccentrically arranged; one end of the pin shaft is inserted into the pin hole A, and the other end of the pin shaft is in threaded connection with the pin hole B;
the annular space A and the annular space B are respectively positioned at two sides of the axial direction of the other end of the piston rod and are independent spaces, and the volumes of the annular space A and the annular space B are changed through the reciprocating movement of the piston rod;
one end of the piston rod is provided with a mounting hole, one end of the compression block is fixedly connected in the mounting hole, and the other end of the compression block is a compression end abutted against the steel pile;
a Y-shaped sealing ring, a waterproof ring and a dustproof ring are respectively arranged between the outer surface of the other end of the piston rod and the inner wall of the cylinder body;
the cylinder body is divided into a front cylinder body and a rear cylinder body which are detachable, and the cylinder bottom is divided into an inner cylinder bottom and an outer cylinder bottom which are detachable;
the ROV interface comprises a connecting sleeve and a connecting mandrel, one end of the connecting mandrel is hermetically inserted into the connecting sleeve, the other end of the connecting mandrel is connected with a handle, the connecting mandrel is respectively provided with an oil inlet pipeline and an oil return pipeline, and an oil inlet B and an oil outlet B which are respectively communicated with the oil inlet pipeline and the oil return pipeline, and the oil inlet B and the oil outlet B are respectively communicated with the oil tank through oil pipes; an oil outlet C and an oil inlet C which are communicated with an oil inlet pipeline and an oil return pipeline are respectively formed in the connecting sleeve, an oil inlet A on each pile clamping device oil cylinder is respectively connected in parallel with an oil pipe connected with the oil outlet C through the oil pipe, the oil outlet A on each pile clamping device oil cylinder is respectively connected with an oil return pipe A, and the oil return pipes A are connected with the oil inlet C on the connecting sleeve through oil return pipes B after being converged;
and the oil return pipe B is respectively provided with a hydraulic control one-way valve, a ball valve, a pressure gauge and an energy accumulator for stabilizing the pressure of an oil way.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses the hydraulic pressure who utilizes the card stake ware hydro-cylinder that a plurality of circumference were arranged compresses tightly the piling bar, provides high frictional force, realizes the operation of card stake.
2. The utility model discloses set up emergent ROV interface, when the card stake ware breaks down because of the oil circuit, the connecting mandrel switch-on card stake ware of ROV interface is changed to the accessible, guarantees the smooth work of card stake ware.
3. The utility model discloses a reserve oil circuit connection scheme, the card stake is firm stable, and factor of safety is high.
4. The utility model discloses a pile clamping device hydro-cylinder both ends have all set up O type sealing washer and uide bushing around the piston rod, prevent the oil leak, can avoid producing the clearance between piston rod and the O type sealing washer when undertaking the shearing force.
5. The utility model discloses a piston rod of pile clip ware hydro-cylinder has and prevents changeing the function, avoids taking place to rotate at axial displacement's in-process.
6. The utility model discloses a control frame is last to have set up the energy storage ware, can stabilize oil circuit pressure.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the present invention with the control frame removed;
FIG. 3 is a schematic view of an external structure of the pile driver cylinder in FIGS. 1 and 2;
FIG. 4 is a front cross-sectional view of the pile driver cylinder of FIGS. 1 and 2;
FIG. 5 is a left side view of the pile driver cylinder of FIGS. 1 and 2;
fig. 6 is a schematic perspective view of the control frame of the present invention;
FIG. 7 is a front view of the control frame of the present invention;
fig. 8 is a structural cross-sectional view of the ROV interface of fig. 6;
FIG. 9 is a diagram illustrating the operation of the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 9 at A;
wherein: 1 is a pile clamping device sleeve, 2 is a pile clamping device oil cylinder, 201 is a cylinder body, 202 is a flange, 203 is a piston rod, 204 is an inner cylinder bottom, 205 is an outer cylinder bottom, 206 is a pin shaft, 207 is a front cylinder body, 208 is a rear cylinder body, 209 is an oil inlet A, 210 is an oil outlet A, 211 is a pressing block, 212 is an annular space A, 213 is an annular space B, 214 is a guide sleeve, 215 is an O-shaped seal ring, 216 is a brass ring, 217 is a Y-shaped seal ring, 218 is a waterproof ring, 219 is a dust ring, 220 is a gasket, 221 is a pin hole A, 222 is a pin hole B, 3 is a lifting lug, 4 is a pile sleeve, 5 is a steel pile, 6 is a guide cone barrel, 7 is a guide pipe frame, 8 is a control frame, 9 is an ROV interface, 901 is a connecting sleeve, 902 is a connecting mandrel, 903 is a handle, 904 is an oil inlet B, 905 is an oil outlet B, 906 is an oil inlet pipeline, 907 is an oil return pipeline, 908C, 909 is a C, 10, 11 is a hydraulic control one-way valve, 12 is a ball valve, and 13 is a pressure gauge.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-10, the utility model discloses a pile clamping device sleeve 1, pile clamping device hydro-cylinder 2 and control frame 8, this pile clamping device sleeve 1 is the ring form, on, the lower limb all extends along radial outside, there are a plurality of pile clamping device hydro-cylinders 2 and a plurality of lug 3 that are used for the hoist and mount at pile clamping device sleeve 1's surface along the circumferencial direction equipartition, lug 3 sets up with pile clamping device hydro-cylinder 2 interval, pile clamping device hydro-cylinder 2 and lug 3 are located the upper, between the lower limb extension, adopt the bolt to connect fixedly between pile clamping device hydro-cylinder 2 and the surface of pile clamping device sleeve 1. A control frame 8 is fixedly connected to the side surface of the pile clamping device sleeve 1, and an ROV interface 9, an energy accumulator 10, a hydraulic control one-way valve 11, a ball valve 12 and a pressure gauge 13 are respectively installed on the control frame 8.
The pile clamping device oil cylinders 2 have the same structure and comprise cylinder bodies 201, cylinder bottoms and piston rods 203, wherein the bottom of each cylinder body 201 is hermetically connected with the cylinder bottom, the piston rods 203 are accommodated in the cylinder bodies 201, and the cylinder bodies 201 are respectively provided with oil inlets A209 and oil outlets A210. For installation, the cylinder 201 of the present embodiment is divided into a front cylinder 207 and a rear cylinder 208 which are detachable, the front end of the front cylinder 207 is provided with a flange 202, and the cylinder bottom is divided into an inner cylinder bottom 204 and an outer cylinder bottom 205 which are detachable; an oil inlet A209 and an oil outlet A210 are both arranged on the rear cylinder body 208, and the aperture of the front cylinder body 201 is smaller than that of the rear cylinder body 208; the inner cylinder bottom 204 and the outer cylinder bottom 205 are both accommodated in the rear end of the rear cylinder body 208, the inner cylinder bottom 204 and the inner wall of the rear cylinder body 208 are sealed through a sealing ring and positioned through a gasket 220, and the outer cylinder bottom 205 is fixedly connected with the inner cylinder bottom 204 through a screw.
The side surfaces of the front end and the rear end of the piston rod 203 are respectively contacted with the inner wall of the cylinder 201 through sealing guide assemblies, a reducing structure is arranged between the sealing guide assemblies at the two ends of the piston rod 203, an annular space B213 is formed between the sealing guide assemblies and the inner wall of the cylinder 201, and the annular space B213 is communicated with the oil outlet A210. One end of the piston rod 203 is connected with a compression block 211 abutted against the steel pile, and the other end of the piston rod is connected with the cylinder bottom through an anti-rotation piece; the mounting hole has been seted up to the one end of piston rod 203 of this embodiment, and the bolt rigid coupling is passed through in this mounting hole to the one end of compact heap 211, and the other end is for the end that compresses tightly with the piling bar butt, and the setting of mounting hole can improve the contact friction with piling bar 5. The end of the cylinder bottom facing the piston rod 203 is of a reducing structure, an annular space A212 is formed between the end and the inner wall of the cylinder body 201, and the annular space A212 is communicated with the oil inlet A209. One end (front end) of the piston rod 203 of the present embodiment is in contact with the inner wall of the front cylinder 207 through the seal guide assembly, the other end (rear end) is in contact with the inner wall of the rear cylinder 208 through the seal guide assembly, and the diameter of the other end (rear end) of the piston rod 203 is larger than that of the other portion, so that an annular space B213 is formed between the seal guide assemblies at the front and rear ends and the inner wall of the rear cylinder 208. The annular space a212 and the annular space B213 are respectively located on both sides of the other end of the piston rod 203 in the axial direction, and are independent spaces, and the volumes of the annular space a212 and the annular space B213 are changed by the reciprocating movement of the piston rod 203.
The guide assembly of this embodiment includes uide bushing 214, O type sealing washer 215 and brass ring 216, and two annular grooves have been seted up to the other end (rear end) of piston rod 203, have seted up an annular groove on the inner wall of preceding cylinder body 207, and the O type sealing washer 215 that the cover was established on piston rod 203 is all held to every annular groove, all overlaps in the outside of every O type sealing washer 215 and is equipped with brass ring 216. The guide sleeve 214 is a copper guide sleeve and is positioned between the piston rod 203 and the inner wall of the front cylinder 207 or the rear cylinder 208, and the guide sleeve 214 is positioned on one side or two sides of the axial direction of the O-shaped sealing ring 215; in this embodiment, two guide sleeves 214 are disposed at the other end (rear end) of the piston rod 203, respectively at the front and rear sides of the rear end O-ring 215, and one guide sleeve 214 is disposed at one end (front end) of the piston rod 203. A Y-shaped seal ring 217, a waterproof ring 218, and a dust seal ring 219 are further provided between the outer surface of one end (front end) of the piston rod 203 and the inner wall of the front cylinder 207, respectively.
The anti-rotation member of this embodiment is a pin 206, and the pin 206 is an eccentric stepped shaft; a pin hole A221 is formed in the other end (rear end) of the piston rod 203 along the axial direction, a pin hole B222 is formed in the inner cylinder bottom 204, and the axial center line of the pin hole A221 and the axial center line of the pin hole B222 are eccentrically arranged; one end of the pin shaft 206 is inserted into the pin hole a221, and the other end is screwed with the pin hole B222. By providing the pin 206, the piston rod 203 is prevented from rotating.
The ROV interface 9 includes a connecting sleeve 901 and a connecting mandrel 902, one end of the connecting mandrel 902 is hermetically inserted into the connecting sleeve 901, the other end of the connecting mandrel 902 is connected with a handle 903 which is convenient for plugging and unplugging the connecting mandrel 902, the connecting mandrel 902 is axially provided with an oil inlet pipeline 906 and an oil return pipeline 907 respectively, and an oil inlet B904 and an oil outlet B905 which are respectively communicated with the oil inlet pipeline 906 and the oil return pipeline 907, the oil inlet pipeline 906 is parallel to the oil return pipeline 907, the oil inlet B904 and the oil outlet B905 are radially provided, and the oil inlet B904 and the oil outlet B905 are respectively communicated with the oil tank through oil. An oil outlet C908 and an oil inlet C909 which are communicated with the oil inlet pipeline 906 and the oil return pipeline 907 are respectively arranged on the connecting sleeve 901, and the oil outlet C908 and the oil inlet C909 are arranged along the radial direction; the oil inlets A209 on the pile clamping device oil cylinders 2 are respectively connected in parallel with oil pipes connected with the oil outlets C908 through oil pipes, the oil outlets A210 on the pile clamping device oil cylinders 2 are respectively connected with oil return pipes A, and the oil return pipes A are converged and then connected with the oil inlets C909 on the connecting sleeve 901 through oil return pipes B. And a hydraulic control one-way valve 11, a ball valve 12, a pressure gauge 13 and an energy accumulator 10 for stabilizing the pressure of the oil way are respectively arranged on the oil return pipe B. The utility model discloses an energy storage ware 10 is prior art, can stabilize card stake ware internal working pressure. The utility model discloses a hydraulic control check valve 11 can be suitable for the depth of water according to the stake ware product and set up critical pressure, ensures that the piston rod 203 of stake ware hydro-cylinder 2 stretches out and draws back the action before not using.
The utility model discloses a theory of operation does:
as shown in fig. 5 and 6, the bottom of the jacket 7 is fixedly connected with a pile sleeve 4, the upper end of each pile sleeve 4 is welded with a pile clamping device, i.e. the lower end of the pile clamping device sleeve 1 is welded at the upper end of the pile sleeve 4, and is coaxially arranged, the upper end of the pile clamping device sleeve 1 is welded with a guiding cone barrel 6, and the guiding cone barrel 6 can ensure that the steel pile 5 is inserted into the pile sleeve 4 in a correct alignment manner, so that the underwater positioning of the steel pile 5 is realized. The hydraulic pressure of a plurality of pile clamping device oil cylinders 2 uniformly distributed in the circumferential direction on the pile clamping device sleeve 1 compresses the steel pile 5, and high friction is provided to realize pile clamping operation.
The hydraulic oil in the pump station oil tank is pumped into an oil inlet B904 on the connecting mandrel 902 through an oil pipe, and then flows to each pile gripper oil cylinder 2 through an oil inlet pipeline 906 and an oil outlet C908. Hydraulic oil enters the annular space A212 from the oil inlet A209, the piston rod 203 is pushed to drive the pressing block 211 to stretch out along the axial direction, and the piston rod 203 mainly bears vertical shearing force, which is different from the action mode of jacking a heavy object by using an oil cylinder. When the piston rod 203 bears the shearing action, if only the O-ring 215 is used, the O-ring 215 deflects, so that a gap is formed between the front end of the piston rod 203 and the O-ring 215, oil leaks, and pile sticking fails. The guide sleeve 214 of the utility model plays a role in guiding and positioning, and simultaneously avoids oil leakage caused by deformation of the O-shaped sealing ring 215 when the piston rod 203 bears shearing acting force; the axial length of the guide sleeve 214 can be set as desired. The pin 206 may also prevent the piston rod 203 from rotating during axial movement of the piston rod 203. During oil return, hydraulic oil flows from the oil outlet A210 to the oil inlet C909 on the connecting sleeve 901 through the oil return pipe A and the oil return pipe B, then flows out through the oil return pipeline 907 and the oil outlet B905, and flows back to the oil tank. The pressure in the oil circuit can be read by the pressure gauge 13, and when the reading on the pressure gauge 13 is lower than the set value, the oil pressure is stabilized by the accumulator 10, so that the oil pressure is kept at the set value. The hydraulic control one-way valve 11 can ensure that the piston rod 203 is always kept inside the cylinder body 201 of the pile clamping device oil cylinder 2 after the pile clamping device enters the water, and the pile driving process is prevented from being influenced.
The utility model discloses a pile clamping device adopts 2 cooperation operations of a plurality of pile clamping device hydro-cylinders, and the product oil circuit adopts the design of parallelly connected oil circuit, and the oil circuit design has pilot operated check valve 11, energy storage ware 10 (stable oil circuit pressure). In order to avoid appearing the damage because of the jacket oil circuit in the work progress, cause the card stake ware can not start, be provided with an emergent ROV interface 9 on the control frame 8 of card stake ware, the removable connecting core axle 902 of this ROV interface 9, when the card stake ware breaks down because of the oil circuit, diver's accessible is changed the mode switch-on of connecting core axle 902 and is blocked the stake ware, guarantees the smooth construction operation of card stake ware.
Claims (10)
1. The utility model provides a jacket installation is with card stake ware which characterized in that: the pile clamping device comprises a pile clamping device sleeve (1), pile clamping device oil cylinders (2) and a control frame (8), wherein the pile clamping device sleeve (1) is arranged on a pile sleeve (4), and a plurality of pile clamping device oil cylinders (2) are arranged on the pile clamping device sleeve (1) along the circumferential direction; the control frame (8) is arranged on the pile clamping device sleeve (1), and an ROV interface (9) is arranged on the control frame (8); an oil tank in the pump station is communicated with the ROV interface (9) through an oil pipe, and each pile clamping device oil cylinder (2) is connected in parallel to the ROV interface (9) through the oil pipe; each pile clamping device oil cylinder (2) comprises a cylinder body (201), a cylinder bottom and a piston rod (203), the bottom of the cylinder body (201) is connected with the cylinder bottom in a sealing mode, the piston rod (203) is contained in the cylinder body (201), the cylinder body (201) is respectively provided with an oil inlet A (209) and an oil outlet A (210), and the oil inlet A (209) and the oil outlet A (210) are respectively connected with the ROV interface (9) through oil pipes; and oil in the oil tank is pumped into an ROV interface (9) through an oil pump, the oil is respectively supplied to each pile clamping device oil cylinder (2) through the ROV interface (9), a piston rod (203) of each pile clamping device oil cylinder (2) is driven to extend out and abut against a steel pile (5) in a pile sleeve (4), and the installation and the fixation of the jacket (7) are realized.
2. The pile driver for jacket installation according to claim 1, wherein: the side surfaces of the front end and the rear end of the piston rod (203) are respectively contacted with the inner wall of the cylinder body (201) through sealing guide assemblies, a reducing structure is arranged between the sealing guide assemblies at the two ends of the piston rod (203), an annular space B (213) is formed between the sealing guide assemblies and the inner wall of the cylinder body (201), and the annular space B (213) is communicated with the oil outlet A (210); one end of the piston rod (203) is connected with a pressing block (211), and the other end of the piston rod is connected with the cylinder bottom through an anti-rotation piece; one end of the cylinder bottom, which faces the piston rod (203), is of a reducing structure, an annular space A (212) is formed between the cylinder bottom and the inner wall of the cylinder body (201), the annular space A (212) is communicated with the oil inlet A (209), and the piston rod (203) of each pile clamping device oil cylinder (2) independently drives the pressing block (211) to abut against the steel pile (5) in the pile sleeve (4).
3. A pile driver for jacket installation according to claim 2, wherein: the sealing guide assembly comprises a guide sleeve (214), an O-shaped sealing ring (215) and a brass ring (216), the O-shaped sealing ring (215) is sleeved on the piston rod (203), and the brass ring (216) is sleeved outside the O-shaped sealing ring (215); the guide sleeve (214) is positioned between the piston rod (203) and the inner wall of the cylinder body (201), and the guide sleeve (214) is positioned on one side or two sides of the O-shaped sealing ring (215) in the axial direction.
4. A pile driver for jacket installation according to claim 2, wherein: the anti-rotation part is a pin shaft (206), and the pin shaft (206) is an eccentric stepped shaft; the other end of the piston rod (203) is provided with a pin hole A (221) along the axial direction, the cylinder bottom is provided with a pin hole B (222), and the axial center line of the pin hole A (221) and the axial center line of the pin hole B (222) are eccentrically arranged; one end of the pin shaft (206) is inserted into the pin hole A (221), and the other end of the pin shaft is in threaded connection with the pin hole B (222).
5. A pile driver for jacket installation according to claim 2, wherein: the annular space A (212) and the annular space B (213) are respectively positioned at two sides of the axial direction of the other end of the piston rod (203) and are independent spaces, and the volumes of the annular space A (212) and the annular space B (213) are changed through the reciprocating movement of the piston rod (203).
6. A pile driver for jacket installation according to claim 2, wherein: the one end of piston rod (203) has seted up the mounting hole, the one end rigid coupling of compact heap (211) is in this mounting hole, and the other end is the end that compresses tightly with the steel pile butt.
7. The pile driver for jacket installation according to claim 1, wherein: and a Y-shaped sealing ring (217), a waterproof ring (218) and a dustproof ring (219) are respectively arranged between the outer surface of the other end of the piston rod (203) and the inner wall of the cylinder body (201).
8. The pile driver for jacket installation according to claim 1, wherein: the cylinder body (201) is divided into a front cylinder body (207) and a rear cylinder body (208) which are detachable, and the cylinder bottom is divided into an inner cylinder bottom (204) and an outer cylinder bottom (205) which are detachable.
9. The pile driver for jacket installation according to claim 1, wherein: the ROV interface (9) comprises a connecting sleeve (901) and a connecting mandrel (902), one end of the connecting mandrel (902) is hermetically inserted into the connecting sleeve (901), the other end of the connecting mandrel (902) is connected with a handle (903), the connecting mandrel (902) is respectively provided with an oil inlet pipeline (906) and an oil return pipeline (907), and an oil inlet B (904) and an oil outlet B (905) which are respectively communicated with the oil inlet pipeline (906) and the oil return pipeline (907), and the oil inlet B (904) and the oil outlet B (905) are respectively communicated with the oil tank through oil pipes; an oil outlet C (908) and an oil inlet C (909) which are communicated with an oil inlet pipeline (906) and an oil return pipeline (907) are respectively formed in the connecting sleeve (901), the oil inlets A (209) on the pile clamping device oil cylinders (2) are respectively connected in parallel with the oil pipe connected with the oil outlet C (908) through oil pipes, the oil outlets A (210) on the pile clamping device oil cylinders (2) are respectively connected with the oil return pipes A, and the oil return pipes A are connected with the oil inlet C (909) on the connecting sleeve (901) through the oil return pipes B after being converged.
10. A jacket installation pile driver as claimed in claim 9, wherein: and the oil return pipe B is respectively provided with a hydraulic control one-way valve (11), a ball valve (12), a pressure gauge (13) and an energy accumulator (10) for stabilizing the pressure of an oil way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649228.1U CN209975550U (en) | 2019-05-08 | 2019-05-08 | Pile clamping device for jacket installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649228.1U CN209975550U (en) | 2019-05-08 | 2019-05-08 | Pile clamping device for jacket installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975550U true CN209975550U (en) | 2020-01-21 |
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ID=69261369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920649228.1U Active CN209975550U (en) | 2019-05-08 | 2019-05-08 | Pile clamping device for jacket installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456008A (en) * | 2020-04-24 | 2020-07-28 | 衡橡科技股份有限公司 | Pile clamping device for jacket installation |
| CN113957897A (en) * | 2021-11-23 | 2022-01-21 | 江苏科技大学 | Pile clamping device for jacket installation |
-
2019
- 2019-05-08 CN CN201920649228.1U patent/CN209975550U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456008A (en) * | 2020-04-24 | 2020-07-28 | 衡橡科技股份有限公司 | Pile clamping device for jacket installation |
| CN113957897A (en) * | 2021-11-23 | 2022-01-21 | 江苏科技大学 | Pile clamping device for jacket installation |
| CN113957897B (en) * | 2021-11-23 | 2022-07-19 | 江苏科技大学 | Pile clamping device for jacket installation |
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