CN116006479A - Pump sled piece assembly and jacket of many stake suction section of thick bamboo - Google Patents

Abstract

The invention relates to a pump sled assembly, comprising: the device comprises a frame, wherein two pumps and a three-way pipeline are arranged on the frame, and a main pipeline of the three-way pipeline comprises a butt joint pipeline; the main pipeline of the water injection four-way pipeline comprises a water injection pipeline, two branch pipelines of the water injection four-way pipeline are in one-to-one correspondence with water inlets of the two pumps and are communicated with the corresponding water inlets, and the remaining branch pipeline of the water injection four-way pipeline is communicated with one branch pipeline of the three-way pipeline and is provided with a first hydraulic control valve; and the main pipeline of the drainage four-way pipeline comprises a drainage pipeline. The double submersible pumps are adopted, so that on one hand, the water pumping flow can be increased, the operation efficiency is improved, and the sufficient water pumping power can be provided; on the other hand, as a redundant design, when one pump fails, the other pump still works, thereby playing a role in guaranteeing and greatly improving the use reliability of the pump prying block assembly.

Description

Jacket for pump skid block assembly and multi-pile suction cylinder

technical field

The invention relates to the field of offshore wind power installation, in particular to a pump skid assembly and a jacket for a multi-pile suction cylinder.

Background technique

The foundations of marine wind turbines mainly include pile foundations, gravity foundations, floating foundations, and suction cylindrical foundations. At present, affected by factors such as water depth, environment, cost, and wind power foundation pile size, the above types of wind power foundations have their own advantages and disadvantages in actual construction. The suction cylinder foundation is a relatively new type of foundation structure. When the jacket is placed on the seabed, it only needs to pump out the water and air in the cylinder to form a negative pressure in the cylinder, and the suction cylinder jacket will be deep. Inserted into the seabed, reliable pier can be realized on the seabed without external force such as piling, which greatly saves the cost of rock-socketed piling, and the construction and installation are convenient, noiseless, and can be reused.

The pump skid is the key equipment for the suction cylinder foundation penetration operation. It is installed on the suction cylinder cover and mainly realizes functions such as pumping, reverse water injection, and attitude monitoring during the penetration process.

In the related technology, the working efficiency of the pump skid is low, and the pumping flow rate is small. When the pump body fails, it cannot continue to work, and timely maintenance is required, which greatly delays the construction period.

Contents of the invention

The embodiment of the present invention provides a pump skid assembly and a jacket for multi-pile suction cylinders to solve the problem of low working efficiency of the pump skid and small pumping flow in the related art. When the pump body breaks down, it cannot continue to work. Maintenance and repairs greatly delayed the construction period.

In the first aspect, a pump skid assembly is provided, which includes: a frame on which two pumps and a three-way pipeline are installed, and the main pipeline of the three-way pipeline includes a butt joint pipeline; the water injection four-way pipeline , the main pipeline of the four-way water injection pipeline includes a water injection pipeline, the two branch pipelines of the four-way water injection pipeline correspond to the water inlets of the two pumps one by one, and communicate with the corresponding water inlets, the four water injection pipelines A remaining branch pipe of the passage pipe communicates with a branch pipe of the three-way pipe and installs a hydraulic control valve one; a four-way drainage pipe, the main pipe of the four-way drainage pipe includes a drainage pipe, and the four-way drainage pipe The two branch pipes are in one-to-one correspondence with the outlets of the two pumps, and communicate with the corresponding outlets, and the remaining branch pipe of the four-way drainage pipe is connected with the remaining branch pipe of the three-way pipe and installed There is a hydraulic control valve 2; the docking pipeline is used to connect with the pump skid interface of the suction cylinder, and the pump works to realize water injection or pumping to the suction cylinder.

In some embodiments, an underwater hydraulic power station is installed on the frame, and the underwater hydraulic power station communicates with the first hydraulic control valve and the second hydraulic control valve.

In some embodiments, a hydraulic control valve three is installed on the water injection pipeline, and the hydraulic control valve three communicates with the underwater hydraulic power unit.

In some embodiments, a hydraulic control valve 4 and a flow meter are installed on the drain four-way pipeline, and the hydraulic control valve 4 communicates with the underwater hydraulic power unit.

In some embodiments, the pump skid assembly includes two hydraulic cylinders one arranged in parallel, both of the two hydraulic cylinders are installed on the frame, and both communicate with the underwater hydraulic power unit, and both The piston rods of each of the hydraulic cylinders are fixed with pin shafts, and four connecting plates are fixed on the butt pipe, and every two connecting plates are arranged in parallel, and every two connecting plates are coaxial A pin hole is provided, and every two coaxially arranged pin holes are coaxially arranged with one of the pin shafts; when the piston rods of the two hydraulic cylinders one are extended, the piston rods drive the corresponding pin shafts Move to insert into the two coaxial pin holes; when the piston rod shrinks, the piston rod drives the corresponding pin shaft to move in the opposite direction, away from the coaxially set two pin holes.

In some embodiments, the pump skid assembly includes an underframe and a multi-way pipe, and the outer wall of the main pipe of the multi-way pipe is fixed with two connecting plates 2, and the two connecting plates 2 are provided with the pins. The shaft is matched with the pin hole 2, and a hydraulic control valve 5 is installed on the branch pipeline of the multi-way pipeline; when the two connecting plates 2 are respectively moved into the two connecting plates 1 on the same side, Make pin hole 1 and pin hole 2 coaxial, when the piston rods of the two hydraulic cylinders 1 are extended to drive the pin shaft to insert into pin hole 1 and pin hole 2, so that the main pipe of the multi-way pipeline It is connected with the main pipe of the three-way pipe butt joint.

In some embodiments, the multi-way pipe is a five-way pipe.

In a second aspect, a jacket for a multi-pile suction cylinder is provided, and the pump skid assembly described above is installed on the pump skid interface of each suction cylinder.

In a third aspect, a jacket for a multi-pile suction cylinder is provided, the jacket includes the above-mentioned pump skid assembly, the pump skid assembly is installed on the platform of the jacket, the The butt joint pipe is connected to a multi-way pipe, and the branch pipes of the multi-way pipe respectively correspond to a suction cylinder and communicate with the corresponding suction cylinder.

In some embodiments, a docking flange is installed on the platform of the jacket, and the ends of the branch pipes of the multi-way pipeline are all fixed with the same locking flange, and the locking flange is installed There are two hydraulic cylinders two, the piston rods of the two hydraulic cylinders two are rotatably equipped with shackles, and the two shackles are rotatably connected with the locking flange; the two hydraulic cylinders two The piston rods of the two hydraulic cylinders are stretched to drive the corresponding shackles to approach each other, so that the locking flange is engaged with the docking flange; or the piston rods of the two hydraulic cylinders 2 shrink to drive the corresponding shackles The shackles are kept away from each other, so that the locking flange and the butt flange are released from clamping.

The beneficial effects brought by the technical solution provided by the present invention include: the pump skid assembly adopts double submersible pumps, on the one hand, it can increase the pumping flow rate, improve the operation efficiency, and ensure that sufficient pumping power can be provided; on the other hand, as a redundant design, When one of the pumps breaks down, the other can still work, which plays a protective role and greatly improves the reliability of the pump skid assembly.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is the schematic diagram of the three-dimensional structure of the pump skid assembly provided by the embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram of the pipeline structure of the pump skid assembly provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the bottom three-dimensional structure of the pump skid assembly provided by the embodiment of the present invention;

FIG. 4 is a schematic perspective view of the three-dimensional structure of the chassis provided by the embodiment of the present invention;

Fig. 5 is a schematic perspective view of the three-dimensional structure of the pump skid assembly assembly chassis provided by the embodiment of the present invention;

Fig. 6 is a front view of the multi-channel pipeline provided by the embodiment of the present invention assembled on the platform of the jacket;

Fig. 7 is a schematic diagram of construction conditions in which multiple pump skid assemblies are installed on the jacket of the multi-pile suction cylinder provided by the embodiment of the present invention;

Fig. 8 is a schematic diagram of construction conditions of installing a pump skid assembly on the jacket of the multi-pile suction cylinder provided by the embodiment of the present invention.

In the figure: 1. frame; 2. pump; 3. three-way pipe; 31. butt joint pipe; 32. connecting plate one; 4. water injection four-way pipe; 41. water injection pipe; 42. hydraulic control valve three; 5. hydraulic pressure Control valve one; 6, drainage four-way pipeline; 61, drainage pipeline; 62, hydraulic control valve four; 7, hydraulic control valve two; 8, underwater hydraulic power station; 9, hydraulic cylinder one; 91, pin shaft; 10 , chassis; 11, multi-way pipeline; 111, connecting plate two; 112, locking flange; 113, hydraulic cylinder two; 114, shackle; 12, hydraulic control valve five; 13, jacket; 14, communication pipeline.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The embodiment of the present invention provides a pump skid assembly and a jacket for multi-pile suction cylinders to solve the problem of low working efficiency of the pump skid and small pumping flow in the related art. Timely maintenance and repair greatly delayed the construction period.

Referring to Figures 1 and 2, a pump skid assembly according to an embodiment of the present invention includes: a frame 1 on which two pumps 2 and a three-way pipeline 3 are installed, and the main pipeline of the three-way pipeline 3 includes Docking pipeline 31; water injection four-way pipeline 4, the main pipeline of water injection four-way pipeline 4 includes water injection pipeline 41, and the two branch pipelines of water injection four-way pipeline 4 correspond to the water inlets of two pumps 2 one by one, and correspond to the corresponding inlets. The water port is connected, and the remaining branch pipe of the water injection four-way pipeline 4 communicates with a branch pipeline of the three-way pipeline 3 and installs a hydraulic control valve one 5; the drainage four-way pipeline 6, the main pipeline of the drainage four-way pipeline 6 includes a drainage pipeline 61, The two branch pipes of the drainage four-way pipeline 6 are in one-to-one correspondence with the outlets of the two pumps 2, and communicate with the corresponding outlets. The hydraulic control valve 2 7 is connected and installed; the docking pipe 31 is used to connect with the pump skid interface of the suction cylinder, and the pump 2 works to realize water injection or pumping to the suction cylinder.

Specifically, the pump skid assembly is fixedly installed on the suction cylinder, and the docking pipe 31 is connected to the suction cylinder. When it is necessary to inject water into the suction cylinder, the water injection pipeline 41 is connected to the water source, and the hydraulic control valve 5 is closed. and the upper end of the drainage pipeline 61, open the hydraulic control valve 2 7, then start the two pumps 2 to work, and deliver them to the water inlets of the corresponding two pumps 2 through the two branch pipelines of the water injection four-way pipeline 4, and pass through the two The water outlet of the pump 2 is discharged into the two branch pipes corresponding to the four-way drainage pipe 6, and collected in the remaining branch pipe of the four-way drainage pipe 6, so as to transport the water to the main pipe of the three-way pipe 3, That is to discharge the docking pipe 31, realize the water injection work in the suction cylinder, so as to realize the pulling out of the suction cylinder; when the suction cylinder needs to be pumped, the water injection pipeline 41 and the water source are in a closed state, and the hydraulic control valve - 5 is opened and drain pipe 61, close hydraulic control valve 2 7, and start two pumps 2 to work. At this time, the water in the suction cylinder enters the remaining branch pipe of the water injection four-way pipe 4 through the docking pipe 31, and the water flows into the inlet of the two pumps 2. The water outlet is discharged from the water outlets of the two pumps 2, then flows into the two branch pipes corresponding to the drainage four-way pipe 6, and finally collects and discharges from the drainage pipe 61 to realize the pumping work in the suction cylinder, thereby realizing the suction of the suction cylinder. Shen Guan. The pump skid assembly adopts a double pump body design, on the one hand, it can increase the pumping flow, improve the operation efficiency, and ensure sufficient pumping power; on the other hand, as a redundant design, when one of them fails, the other still remains It can work and play a guarantee role, greatly improving the reliability of the pump skid assembly.

In some optional embodiments, four pump bodies can be used to work, which can greatly improve work efficiency and ensure sufficient pumping power. At the same time, the four pump bodies are installed around the frame 1 in a rectangular distribution, and every two pump bodies The bodies are connected in series through pipes, that is, on the original basis, between the two branch pipes of the drainage four-way pipe 6 and the outlets of the two pumps 2, one more pump body is added in series through the pipes. access. It can ensure that the vibration amplitude around the frame 1 is stable when the pump skid assembly is working, and it is avoided that only two pumps 2 are installed, and the vibration amplitude at one end is too large and the vibration amplitude at the other end is too small to affect the stability of the pump skid assembly.

In some optional embodiments, hydraulic control valves 6 are respectively installed on the two branch pipes of the four-way drainage pipe 6, which can respectively control the opening of the two branch pipes of the four-way drainage pipe 6 to adjust the pump 2. Pumping capacity.

In some embodiments, an underwater hydraulic power station 8 is installed on the frame 1 , and the underwater hydraulic power station 8 communicates with the first hydraulic control valve 5 and the second hydraulic control valve 7 . The underwater hydraulic power station 8 is used to provide power for the hydraulic cylinder used for locking, which avoids the problem of insufficient power caused by the large pressure loss when the hydraulic station is used on the water, and also avoids the problem of entanglement with cables caused by the use of long oil pipes.

Wherein, a hydraulic control valve 3 42 is installed on the water injection pipeline 41 , and the hydraulic control valve 3 42 communicates with the underwater hydraulic power station 8 . The conduction and opening of the water injection pipeline 41 can be controlled by the hydraulic control valve 3 42 . When the suction cylinder needs to be pumped, the water injection pipeline 41 is closed by the hydraulic control valve 3 42, so that water flows into the water inlets of the two pumps 2 from the butt joint pipeline 31 .

In some embodiments, a hydraulic control valve 4 62 and a flow meter are installed on the drainage four-way pipeline 6 , and the hydraulic control valve 4 62 communicates with the underwater hydraulic power station 8 . The conduction and opening of the drain pipe 61 are controlled by the hydraulic control valve 462, and when the suction cylinder needs to be filled with water, water is prevented from being discharged from the drain pipe 61.

In some embodiments, as shown in FIG. 3 , the pump skid block assembly may include two hydraulic cylinders one 9 arranged in parallel. Connected, the piston rods of the two hydraulic cylinders one 9 are all fixed with pin shafts 91, and four connecting plates one 32 are fixed on the butt pipe 31, every two connecting plates one 32 are arranged in parallel, and every two connecting plates one 32 are the same The shaft is provided with a pin hole 1, and every two coaxial pin holes 1 are coaxially arranged with a pin shaft 91; when the piston rods of the two hydraulic cylinders 19 are extended, the piston rod drives the corresponding pin shaft 91 to move, to be inserted into the two coaxial pin holes; when the piston rod shrinks, the piston rod drives the corresponding pin shaft 91 to move in the opposite direction, away from the coaxially set two pin holes one.

Among them, two connecting plates 3 are fixedly installed on the top of the suction cylinder, and the side walls of the two connecting plates 3 are similarly provided with pin holes 3, and the pump skid assembly is hoisted and moved down to each connecting plate 3 located between In plate one 32, and pin hole one and pin hole three are coaxial, start two hydraulic oil cylinders one 9 to work at this moment, drive the pin shaft 91 on it to insert corresponding pin hole one and pin hole three, thereby complete frame 1 Stable and firmly fixed on the suction cylinder.

Further, as shown in Figure 4, the pump skid assembly includes a chassis 10 and a multi-way pipeline 11, and the outer wall of the main pipeline of the multi-way pipeline 11 is fixed with two connecting plates 111, and the two connecting plates 111 are provided with The pin hole 2 that the pin shaft 91 is compatible with, a hydraulic control valve 5 12 is installed on the branch pipeline of the multi-way pipeline 11; Make pin hole 1 coaxial with pin hole 2, when the piston rods of two hydraulic cylinders 19 are elongated to drive pin shaft 91 to insert in pin hole 1 and pin hole 2, so that the main pipe of multi-way pipeline 11 and The main pipeline of the three-way pipeline 3 is butt-connected.

Wherein, when the frame 1 and the base frame 10 are docked and installed, the frame 1 is hoisted and moved down until the pin hole 1 of the two connecting plates 111 is coaxial with the pin hole 2 on the connecting plate 2 111, and at this time, the two hydraulic cylinders are activated One 9 works, and the pin shaft 91 on it is driven to be inserted into the corresponding pin hole 1 and pin hole 2, thereby completing the stable and firm fixing of the frame 1 on the bottom frame 10 . In this way, it is convenient to complete the docking work between the frame 1 and the bottom frame 10. On the basis of the above pump skid assembly, the function of collecting and diverting flow is added, and the pump skid assembly can be installed on the suction cylinder separately, and the top of the suction cylinder is provided with multiple The pump skid interface, the number of the pump skid interface corresponds to the number of branch pipelines of the multi-channel pipeline 11, and the multiple pump skid interface is symmetrically distributed with the center point of the suction cylinder top circle as the center point, and is connected with the corresponding multi-channel pipeline. The branch pipelines of 11 are connected one by one, which can greatly ensure that the suction cylinder can be lifted in the vertical direction when it is operating, which greatly improves the steady operation of the suction cylinder. In the same way, the underframe 10 of the pump skid assembly can be installed on the platform of the jacket 13, and then the branch pipes of the multi-way pipeline 11 are respectively connected to a suction cylinder through the pipeline, so as to realize the use of one pump skid assembly. The jacket 13 of the multi-pile suction cylinder can be operated, which greatly reduces the manufacturing cost.

In some embodiments, when the frame 1 is docked with the underframe 10, guide seats are fixed around the top of the underframe 10, and the four guide seats correspond to the four legs of the frame 1. When the frame 1 is hoisted and moved down, first The legs of the frame 1 are guided into the corresponding guide seats, which can play a guiding role when the frame 1 and the chassis 10 are docked and installed, and improve the work efficiency of the docked installation of the frame 1 and the chassis 10, thereby facilitating the subsequent connecting boards. The pin hole one of 32 is coaxially connected with the pin hole two on the connecting plate two 111.

Specifically, the multi-way pipeline 11 is a five-way pipeline. That is, one main pipe and four branch pipes. The branch pipeline of the multi-way pipeline 11 is not specifically limited. Depending on the number of suction cylinders on the jacket 13.

Further, as shown in Figure 4, a hydraulic control valve 512 is installed on the branch pipes of the multi-way pipe 11, so that adjustments can be made according to the actual inclination of the suction cylinder, and the opening of each branch pipe can be controlled. Ensure that the suction cylinder can sink or pull out to work in the vertical direction, so as to ensure the steady sinking or rising of the jacket 13 . It is easy to operate and can control the working condition of the suction cylinder in time.

In some embodiments, as shown in FIG. 7 . The present invention provides a jacket for a multi-pile suction cylinder. The pump skid assembly mentioned above is installed on the pump skid interface of each suction cylinder. Wherein, when the underframe 10 and the multi-way pipeline 11 are not installed, the pump skid interface of the suction cylinder communicates with the docking pipeline 31; The branch pipes of the multi-way pipeline 11 are in one-to-one correspondence, and communicate with the corresponding branch pipes, and the opening degree of the multiple branch pipes of the multi-way pipeline 11 is controlled by the hydraulic control valve 512, which can ensure the vertical sinking of the suction cylinder. Both realize the control of a single suction cylinder by a single pump skid assembly.

In some embodiments, as shown in FIG. 8 , the embodiment of the present invention also provides a jacket for a multi-pile suction cylinder. The jacket 13 includes the above-mentioned pump skid assembly, and the pump skid assembly is installed on the jacket On the platform of 13, the branch pipes of the multi-way pipe 11 respectively correspond to a suction cylinder, and communicate with the corresponding suction cylinder through the communication pipe 14. A single pump skid assembly controls the sinking of multiple pile suction cylinders, which is more cost-effective than a single pump skid assembly controlling a single suction cylinder construction, and at the same time, the installation efficiency is higher.

Specifically, the multi-way pipeline 11 is a five-way pipeline, that is, a one-to-four interface, and the hydraulic control valve 512 below it can control the opening degree steplessly. When the pile suction tube jacket is installed, only one of the hydraulic control valves 512 needs to be closed to realize the installation. The construction conditions of three-pile or four-pile suction cylinders can be switched at will, which has better versatility.

Specifically, as shown in Figure 6, a docking flange is installed on the platform of the jacket 13, and the ends of the branch pipes of the multi-way pipeline 11 are all fixed with the same locking flange 112, and the locking flange 112 Two hydraulic cylinders 113 are installed on the top, and shackles 114 are installed on the piston rods of the two hydraulic cylinders 113, and the two shackles 114 are connected to the locking flange 112 in rotation; the two hydraulic cylinders 113 The piston rods of the two hydraulic cylinders are stretched to drive the corresponding shackles 114 to approach each other, so that the locking flange 112 and the docking flange are clamped; or the piston rods of the two hydraulic cylinders 113 shrink to drive the corresponding shackles 114 to each other away from, so that the locking flange 112 is released from the clamping connection with the mating flange.

Wherein, the locking flange 112 is docked with the docking flange on the platform of the jacket 13, the two hydraulic cylinders 113 are started to extend, and the two shackles 114 are rotated on the locking flange 112 Under the cooperation of the connection, the two shackles 114 are close to each other, and the lower ends of the two shackles 114 are in the shape of hooks, so that the locking flange 112 can be firmly clamped with the docking flange. After the clamping is completed, Then the locking flange 112 and the docking flange are fixed and locked by bolts, which greatly improves the stability and firmness of the pump skid assembly installation, and ensures that the pump skid assembly can run stably when it is working.

In some embodiments, as shown in Figures 5 and 6, the bottom of the chassis 10 is fixed to the guide rods around the bottom, and four guide cylinders are fixed on the platform of the jacket 13, and the four guide cylinders correspond to the four guide rods one by one. , when hoisting the pump skid assembly, first, each guide rod is slowly lowered and inserted into the corresponding guide cylinder, so that it can play a guiding role when the pump skid assembly is docked and installed, ensuring that the pump The skid block assembly can be docked and installed smoothly.

Specifically, the top of the guide cylinder is in the shape of an inverted frustum, which can further facilitate the insertion of the guide rod into the corresponding guide cylinder, and facilitate the smooth installation of the pump skid assembly.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the invention. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or an indirect connection through an intermediary, or an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

It should be noted that in the present invention, relative terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply There is no such actual relationship or order between these entities or operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above descriptions are only specific embodiments of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Accordingly, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. A pump skid assembly, characterized in that it comprises: A frame (1), on which two pumps (2) and a three-way pipeline (3) are installed, the main pipeline of the three-way pipeline (3) includes a butt joint pipeline (31); The water injection four-way pipeline (4), the main pipeline of the water injection four-way pipeline (4) includes a water injection pipeline (41), and the two branch pipelines of the water injection four-way pipeline (4) are connected to the two pumps (2) The water inlets are in one-to-one correspondence and communicated with the corresponding water inlets. The remaining branch pipe of the four-way pipeline for water injection (4) communicates with a branch pipeline of the three-way pipeline (3) and installs a hydraulic control valve ( 5); Drainage four-way pipeline (6), the main pipeline of the drainage four-way pipeline (6) includes a drainage pipeline (61), and the two branch pipelines of the drainage four-way pipeline (6) are connected to the two pumps (2) The outlets correspond to each other and communicate with the corresponding outlets. The remaining branch pipe of the four-way drainage pipe (6) communicates with the remaining branch pipe of the three-way pipe (3) and is equipped with a hydraulic control valve. two (7); The butt pipe (31) is used for butt connection with the pump skid interface of the suction cylinder, and the pump (2) works to realize water injection or pumping to the suction cylinder. 2. The pump skid assembly according to claim 1, characterized in that: an underwater hydraulic power station (8) is installed on the frame (1), and the underwater hydraulic power station (8) is connected to the The first hydraulic control valve (5) communicates with the second hydraulic control valve (7). 3. The pump skid assembly according to claim 2, characterized in that: a hydraulic control valve three (42) is installed on the water injection pipeline (41), and the hydraulic control valve three (42) is connected with the water The lower hydraulic power station (8) is connected. 4. The pump skid assembly according to claim 2, characterized in that: a hydraulic control valve four (62) and a flow meter are installed on the drainage four-way pipeline (6), and the hydraulic control valve four (62 ) communicates with the underwater hydraulic power station (8). 5. The pump skid assembly as claimed in claim 2, characterized in that: the pump skid assembly includes two hydraulic cylinders one (9) arranged in parallel, and the two hydraulic cylinders one (9) are Installed on the frame (1), and communicated with the underwater hydraulic power station (8), the piston rods of the two hydraulic cylinders one (9) are fixed with pins (91), and the docking Four connecting plates one (32) are fixed on the pipeline (31), and every two connecting plates one (32) are arranged in parallel, and every two connecting plates one (32) are coaxially provided with pin holes one, Every two coaxially arranged pinholes are coaxially arranged with one described pin shaft (91); When the piston rods of the two hydraulic cylinders one (9) are elongated, the piston rods drive the corresponding pin shafts (91) to move, so as to be inserted into the two coaxially arranged pin holes one; When the piston rod shrinks, the piston rod drives the corresponding pin shaft (91) to move in reverse, so as to be away from the two coaxially arranged pin holes one. 6. The pump skid assembly according to claim 5, characterized in that: the pump skid assembly comprises a chassis (10) and a multi-way pipeline (11), the main body of the multi-way pipeline (11) Two connection plates (111) are fixed on the outer wall of the pipeline, and the two connection plates (111) are provided with pin holes two that are compatible with the pin shaft (91), and the multi-way pipeline (11) A hydraulic control valve five (12) is installed on the branch pipeline; When the two connecting plates two (111) are respectively moved into the two connecting plates one (32) on the same side, so that the pin hole one is coaxial with the pin hole two, when the two hydraulic cylinders one ( 9) When the piston rod is extended to drive the pin shaft (91) to be inserted into pin hole one and pin hole two, so that the main pipe of the multi-way pipeline (11) is connected with the main pipeline of the three-way pipeline (3) . 7. The pump skid assembly according to claim 6, characterized in that: the multi-way pipeline (11) is a five-way pipeline. 8. A jacket for multi-pile suction cylinders, characterized in that the pump skid assembly according to any one of claims 1-7 is installed on the pump skid interface of each suction cylinder. 9. A jacket for a multi-pile suction cylinder, characterized in that the jacket comprises the pump skid assembly according to claim 1, and the pump skid assembly is installed on the platform of the jacket , the butt joint pipe (31) is connected to the multi-way pipe (11), and the branch pipes of the multi-way pipe (11) respectively correspond to a suction cylinder and communicate with the corresponding suction cylinder. 10. The jacket of multi-pile suction cylinder as claimed in claim 9, characterized in that: the platform of the jacket is provided with a butt joint flange, and the ends of the branch pipes of the multi-way pipes (11) are all fixed There is the same locking flange (112), and two hydraulic cylinders (113) are installed on the locking flange (112), and the piston rods of the two hydraulic cylinders (113) rotate A shackle (114) is installed, and the two shackles (114) are rotatably connected to the locking flange (112); The piston rods of the two hydraulic cylinders 2 (113) are extended to drive the corresponding shackles (114) to approach each other, so that the locking flange (112) is engaged with the docking flange; or The piston rods of the two hydraulic cylinders two (113) contract to drive the corresponding shackles (114) away from each other, so that the locking flange (112) and the mating flange are disengaged.

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