CN109235409B - Drilling platform operation equipment for oil and gas exploration - Google Patents

Drilling platform operation equipment for oil and gas exploration Download PDF

Info

Publication number
CN109235409B
CN109235409B CN201811093152.5A CN201811093152A CN109235409B CN 109235409 B CN109235409 B CN 109235409B CN 201811093152 A CN201811093152 A CN 201811093152A CN 109235409 B CN109235409 B CN 109235409B
Authority
CN
China
Prior art keywords
fixed
fixing
frame
auxiliary
sedimentation
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
Application number
CN201811093152.5A
Other languages
Chinese (zh)
Other versions
CN109235409A (en
Inventor
程春兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG JINHAI MACHINERY TECHNOLOGY Co.,Ltd.
Original Assignee
Zhejiang Jinhai Machinery Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Jinhai Machinery Technology Co ltd filed Critical Zhejiang Jinhai Machinery Technology Co ltd
Priority to CN201811093152.5A priority Critical patent/CN109235409B/en
Publication of CN109235409A publication Critical patent/CN109235409A/en
Application granted granted Critical
Publication of CN109235409B publication Critical patent/CN109235409B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0827Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with screws and nuts mechanism
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0039Methods for placing the offshore structure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention mainly relates to drilling platform operation equipment for oil and gas exploration, which comprises an auxiliary support frame, wherein a lifting adjusting hole is formed in the middle of the auxiliary support frame, a lifting adjusting mechanism is arranged in the lifting adjusting hole, the lower end of the lifting adjusting mechanism is installed on a sedimentation frame, an auxiliary adjusting hole is formed in the auxiliary support frame along the circumferential direction of the auxiliary support frame, and an auxiliary fixing mechanism is arranged in the auxiliary adjusting hole. The invention can solve the problems that the existing bottom-sitting type drilling platform sinking pad has small underwater grasping force in the actual operation process, the working stability of the drilling platform is influenced, the sinking pad after water injection sinks into the water bottom, the acting points are concentrated, the supporting force is insufficient, the stable operation of the drilling platform is not facilitated, and the like, can realize the function of the bottom-sitting type drilling platform sinking pad stable operation, and has the advantages of large underwater grasping force, good stability and the like.

Description

Drilling platform operation equipment for oil and gas exploration
Technical Field
The invention relates to the technical field of drilling platforms, in particular to drilling platform operation equipment for oil and gas exploration.
Background
With the deepening of human beings on the development and utilization of oil and gas resources, oil and gas exploration and development are transferred into the sea from the land, a drilling platform is an important tool for ocean energy development, wherein the bottom-sitting type drilling platform is suitable for shallow sea areas, has the main functions of ballast and seabed support and is used as a foundation for drilling, water is injected into a mat after the drilling device arrives at an operation site, so that the mat is landed, but the bottom-sitting type drilling platform mat has small underwater grasping force in the actual operation process, the working stability of the drilling platform is influenced, the mat after water injection is landed in the water bottom, the landing points are concentrated, the supporting force is insufficient, and the stable operation of the drilling platform is not facilitated.
Disclosure of Invention
In order to solve the problems, the invention provides drilling platform operation equipment for oil and gas exploration, which can solve the problems that the underwater gripping force is small in the actual operation process of the existing bottom-sitting type drilling platform sinking pad, the working stability of the drilling platform is influenced, the sinking pad after water injection sinks into the water bottom, the gripping points are concentrated, the supporting force is insufficient, the stable operation of the drilling platform is not facilitated, and the like, and can realize the function of stable operation of the bottom-sitting type drilling platform sinking pad, and has the advantages of large underwater gripping force, good stability and the like.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a drilling platform operation device for oil and gas exploration comprises an auxiliary support frame, wherein a lifting adjusting hole is formed in the middle of the auxiliary support frame, a lifting adjusting mechanism is arranged in the lifting adjusting hole, the lower end of the lifting adjusting mechanism is installed on a sedimentation frame, an auxiliary adjusting hole is formed in the auxiliary support frame along the circumferential direction of the auxiliary support frame, and an auxiliary fixing mechanism is arranged in the auxiliary adjusting hole;
as a preferred technical scheme of the invention, the sedimentation frame is of a telescopic structure, the upper end of the sedimentation frame is provided with a water inlet, the lower end of the sedimentation frame is uniformly provided with sedimentation operation holes along the circumferential direction, water is filled into the sedimentation frame through the water inlet, and the sedimentation frame sinks to the bottom under the action of gravity.
As a preferred technical scheme of the invention, the auxiliary fixing mechanism comprises a fixing operation frame arranged on an auxiliary support frame, a fixing operation hole is arranged on the fixing operation frame, a fixing driving motor is arranged on the fixing operation frame through a motor base, a fixing driving roller is arranged on an output shaft of the fixing driving motor, the fixing driving roller is arranged on the side wall of the fixing operation frame through a bearing, a driving steel wire rope is wound on the fixing driving roller, the lower end of the driving steel wire rope is connected to a fixing limiting column, the fixing limiting column is positioned in an auxiliary adjusting hole, the lower end of the fixing limiting column is arranged on a fixing limiting pipe, the fixing limiting pipe is arranged on a sedimentation frame, a fixing telescopic rod is arranged on the inner wall of the fixing limiting pipe, the top end of the fixing telescopic rod is arranged on a fixing telescopic plate through a flange, and a fixing executing motor, the output shaft of the fixed execution motor is provided with a fixed screw rod through a coupler, the fixed screw rod is connected with the sedimentation operation hole through a thread meshing mode, the lower end of the fixed screw rod is arranged on the fixed execution block, the fixed execution block is of a hollow structure, the lower end of the fixed execution block is of a conical structure, the side wall of the lower end of the fixed execution block is provided with a fixed execution groove along the circumferential direction, a fixed execution column is arranged in the fixed execution groove in a sliding fit mode, one end, positioned on the inner side of the fixed execution groove, of the fixed execution column is of a spherical structure, the other end of the fixed execution column is of a conical structure, a fixed reset spring is sleeved on the fixed execution column, the fixed execution column is of an upward inclined structure from outside to inside, the inner wall of the fixed execution block is provided with a fixed operation cylinder, the top end of the fixed operation cylinder is provided with a fixed operation block through a, the fixed spacing pipe is on same straight line with the central line that subsides the operation hole, automatic sinking after the water injection of settlement frame, fixed driving motor carries out the operation through drive wire rope to the settlement frame, the settlement frame sinks to submarine back, fixed executive motor control set screw rotates, set screw carries out the up-and-down motion through the screw thread drive mode, set screw controls fixed execution piece and bores native operation downwards in the while of motion, fixed telescopic link has played spacing effect to fixed executive motor at work, fixed operation cylinder control fixed operation piece is flexible to be adjusted, fixed operation piece is at the in-process of motion and fixed reset spring between mutually support the fixed execution post of motion control and insert in the stereoplasm soil layer, thereby ensure the stability of settlement frame.
According to a preferable technical scheme of the invention, the lower end of the fixed operation hole is provided with a guide pipe, the guide pipe is of a horn-shaped structure, the diameter of the guide pipe is gradually increased from top to bottom, and the guide pipe plays a role in guiding the fixed limiting column.
When in work, the invention moves to the appointed working position under the action of the existing equipment, water is filled into the sedimentation frame through the water inlet, the sedimentation frame sinks to the water bottom under the action of gravity, after the sedimentation frame sinks to the water bottom, the fixed execution motor controls the fixed screw rod to rotate, the fixed screw rod moves up and down in a thread transmission mode, the fixed screw rod controls the fixed execution block to drill soil downwards while moving, the fixed telescopic rod plays a limiting role in the fixed execution motor in work, the fixed operation cylinder controls the fixed operation block to perform telescopic adjustment, the fixed operation block and the fixed reset spring are matched with each other in the moving process to control the fixed execution column to be inserted into a hard soil layer, thereby ensure the stability of subsiding the frame, the guide tube has played the effect of guide to fixed spacing post, can realize sitting bottom-type drilling platform mat and stabilize the function of operation.
The invention has the beneficial effects that:
1. the invention can solve the problems that the existing bottom-sitting type drilling platform sinking pad has small underwater grasping force in the actual operation process, the working stability of the drilling platform is influenced, the sinking pad after water injection sinks into the water bottom, the acting points are concentrated, the supporting force is insufficient, the stable operation of the drilling platform is not facilitated, and the like, can realize the function of the bottom-sitting type drilling platform sinking pad stable operation, and has the advantages of large underwater grasping force, good stability and the like.
2. The invention designs the sedimentation frame, water is filled into the sedimentation frame through the water inlet, and the sedimentation frame sinks to the water bottom under the action of gravity.
3. The auxiliary fixing mechanism is designed, the fixing telescopic rod plays a limiting role in the fixing execution motor in work, the fixing operation cylinder controls the fixing operation block to be adjusted in a telescopic mode, the fixing operation block and the fixing reset spring are matched with each other in the moving process to control the fixing execution column to be inserted into the hard soil layer, and therefore stability of the settling frame is guaranteed
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the auxiliary support frame, the drop frame and the auxiliary fixing mechanism of the present invention;
FIG. 3 is an enlarged view of a portion I of FIG. 2 according to the present invention;
fig. 4 is an enlarged view of a portion Y of fig. 2 according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
As shown in fig. 1 to 4, a drilling platform operation device for oil and gas exploration comprises an auxiliary support frame 2, wherein a lifting adjusting hole is formed in the middle of the auxiliary support frame 2, a lifting adjusting mechanism is arranged in the lifting adjusting hole, the lower end of the lifting adjusting mechanism is installed on a sedimentation frame 4, an auxiliary adjusting hole is formed in the auxiliary support frame 2 along the circumferential direction of the auxiliary support frame, and an auxiliary fixing mechanism 5 is arranged in the auxiliary adjusting hole;
the frame 4 that subsides is scalable structure, and the upper end of subsiding frame 4 is provided with the water inlet, and the lower extreme of subsiding frame 4 evenly is provided with along its circumference direction and subsides the operation hole, pours water into in to subsiding frame 4 through the water inlet, and it is submarine to subside frame 4 under the effect of gravity.
The auxiliary fixing mechanism 5 comprises a fixing operation frame 51 arranged on the auxiliary support frame 2, a fixing operation hole is arranged on the fixing operation frame 51, a fixing driving motor 52 is arranged on the fixing operation frame 51 through a motor base, a fixing driving roller 53 is arranged on an output shaft of the fixing driving motor 52, the fixing driving roller 53 is arranged on the side wall of the fixing operation frame 51 through a bearing, a driving steel wire rope 54 is wound on the fixing driving roller 53, the lower end of the driving steel wire rope 54 is connected to a fixing limiting column 55, the fixing limiting column 55 is positioned in an auxiliary adjusting hole, the lower end of the fixing limiting column 55 is arranged on a fixing limiting pipe 56, the fixing limiting pipe 56 is arranged on the sedimentation frame 4, a fixing telescopic rod 561 is arranged on the inner wall of the fixing limiting pipe 56, the top end of the fixing telescopic rod 561 is arranged on a fixing telescopic plate 562 through a flange, and a fixing execution motor 563 is, a fixed screw 564 is mounted on an output shaft of the fixed actuating motor 563 through a coupling, the fixed screw 564 is connected with the settling operation hole in a threaded engagement manner, the lower end of the fixed screw 564 is mounted on the fixed actuating block 57, the fixed actuating block 57 is of a hollow structure, the lower end of the fixed actuating block 57 is of a conical structure, a fixed actuating groove is formed in the side wall of the lower end of the fixed actuating block 57 along the circumferential direction of the fixed actuating groove, a fixed actuating column 571 is arranged in the fixed actuating groove in a sliding fit manner, one end of the fixed actuating column 571, which is located on the inner side of the fixed actuating groove, is of a spherical structure, the other end of the fixed actuating column 571 is of a conical structure, a fixed return spring 572 is sleeved on the fixed actuating column 571, the fixed actuating column 571 is of an upward inclined structure from outside to inside, a fixed operation cylinder 573 is mounted on the inner wall of the fixed actuating block 57, and the top end of the fixed operation, the fixed operation block 574 is a round table structure, the fixed limit pipe 56 is on the same straight line with the central line of the sedimentation operation hole, the sedimentation frame 4 automatically sinks after being injected with water, the fixed driving motor 52 operates the sedimentation frame 4 by driving the steel wire rope 54, after the sedimentation frame 4 sinks to the water bottom, the fixed execution motor 563 controls the fixed screw 564 to rotate, the fixed screw 564 moves up and down in a thread transmission mode, the fixed execution block 57 is controlled by the fixed screw 564 to drill soil downwards while moving, the fixed telescopic rod 561 plays a limiting role in the fixed execution motor 563 in work, the fixed operation cylinder 573 controls the fixed operation block 574 to stretch and contract and adjust, the fixed operation block 574 and the fixed reset spring 572 cooperate with each other in the moving process to control the fixed execution column 571 to be inserted into a hard soil layer, and therefore stability of the sedimentation frame 4 is guaranteed.
The lower end of the fixed operation hole is provided with a guide tube 21, the guide tube 21 is of a horn-shaped structure, the diameter of the guide tube 21 is gradually increased from top to bottom, and the guide tube 21 plays a role in guiding the fixed limiting column 55.
When the device works, the device moves to a designated working position under the action of the existing equipment, water is filled into the sedimentation frame 4 through the water inlet, the sedimentation frame 4 sinks to the water bottom under the action of gravity, the fixed driving motor 52 operates the sedimentation frame 4 through the driving steel wire rope 54, after the sedimentation frame 4 sinks to the water bottom, the fixed execution motor 563 controls the fixed screw 564 to rotate, the fixed screw 564 moves up and down through a thread transmission mode, the fixed execution block 57 is controlled to drill the soil downwards while the fixed screw 564 moves, the fixed telescopic rod 561 plays a limiting role in the fixed execution motor 563 during the work, the fixed operation cylinder 573 controls the fixed operation block 574 to perform telescopic adjustment, the fixed operation block 574 and the fixed reset spring 572 cooperate with each other to move to control the fixed execution column 571 to be inserted into the hard soil layer during the movement process, thereby ensure the stability of subsiding frame 4, guide tube 21 has played the effect of guide to fixed spacing post 55, the function of the heavy pad of formula of sitting bottom drilling platform stable operation has been realized, it is little to have solved the submarine power of grabbing that current formula of sitting bottom drilling platform sinks to fill up in the actual operation in-process existence, influence drilling platform job stabilization's stability, the heavy pad after the water injection sinks to the bottom, the power point is more concentrated, the holding power is not enough, be unfavorable for drilling platform stable operation scheduling difficult problem, the mesh has been reached.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a drilling platform operation equipment for oil and gas exploration, includes auxiliary stay frame (2), its characterized in that: a lifting adjusting hole is formed in the middle of the auxiliary supporting frame (2), a lifting adjusting mechanism is arranged in the lifting adjusting hole, the lower end of the lifting adjusting mechanism is installed on the sedimentation frame (4), an auxiliary adjusting hole is formed in the auxiliary supporting frame (2) along the circumferential direction of the auxiliary supporting frame, and an auxiliary fixing mechanism (5) is arranged in the auxiliary adjusting hole;
the sedimentation frame (4) is of a telescopic structure, a water inlet is formed in the upper end of the sedimentation frame (4), and sedimentation operation holes are uniformly formed in the lower end of the sedimentation frame (4) along the circumferential direction of the sedimentation frame;
the auxiliary fixing mechanism (5) comprises a fixing operation frame (51) arranged on the auxiliary support frame (2), a fixing operation hole is formed in the fixing operation frame (51), a fixing driving motor (52) is arranged on the fixing operation frame (51) through a motor base, a fixing driving roller (53) is arranged on an output shaft of the fixing driving motor (52), the fixing driving roller (53) is arranged on the side wall of the fixing operation frame (51) through a bearing, a driving steel wire rope (54) is wound on the fixing driving roller (53), the lower end of the driving steel wire rope (54) is connected to a fixing limiting column (55), the fixing limiting column (55) is located in the auxiliary adjusting hole, the lower end of the fixing limiting column (55) is arranged on a fixing limiting pipe (56), and the fixing limiting pipe (56) is arranged on the settling frame (4);
install fixed telescopic link (561) on the inner wall of fixed spacing pipe (56), the top of fixed telescopic link (561) is passed through the flange and is installed on fixed expansion plate (562), install fixed executive motor (563) through the motor cabinet on fixed expansion plate (562), install clamping screw (564) through the shaft coupling on the output shaft of fixed executive motor (563), clamping screw (564) link to each other with subsiding the operation hole through the thread engagement mode, the lower extreme of clamping screw (564) is installed on fixed executive block (57).
2. The rig operations equipment of claim 1, wherein: the lower end of the fixed operation hole is provided with a guide pipe (21), the guide pipe (21) is of a horn-shaped structure, and the diameter of the guide pipe (21) is gradually increased from top to bottom.
3. The rig operations equipment of claim 1, wherein: the fixed execution block (57) is of a hollow structure, and the lower end of the fixed execution block (57) is of a conical structure.
4. The rig operations equipment of claim 1, wherein: the side wall of the lower end of the fixed execution block (57) is provided with a fixed execution groove along the circumferential direction, a fixed execution column (571) is arranged in the fixed execution groove in a sliding fit mode, one end, located on the inner side of the fixed execution groove, of the fixed execution column (571) is of a spherical structure, the other end of the fixed execution column (571) is of a conical structure, a fixed return spring (572) is sleeved on the fixed execution column (571), the fixed execution column (571) is of an upward inclined structure from outside to inside, a fixed operation cylinder (573) is installed on the inner wall of the fixed execution block (57), the top end of the fixed operation cylinder (573) is provided with a fixed operation block (574) through a flange, and the fixed operation block (574) is of a circular truncated cone-shaped structure.
5. The rig operations equipment of claim 1, wherein: the fixed limiting pipe (56) and the center line of the sedimentation operation hole are on the same straight line.
CN201811093152.5A 2018-09-19 2018-09-19 Drilling platform operation equipment for oil and gas exploration Active CN109235409B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811093152.5A CN109235409B (en) 2018-09-19 2018-09-19 Drilling platform operation equipment for oil and gas exploration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811093152.5A CN109235409B (en) 2018-09-19 2018-09-19 Drilling platform operation equipment for oil and gas exploration

Publications (2)

Publication Number Publication Date
CN109235409A CN109235409A (en) 2019-01-18
CN109235409B true CN109235409B (en) 2020-10-27

Family

ID=65059151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811093152.5A Active CN109235409B (en) 2018-09-19 2018-09-19 Drilling platform operation equipment for oil and gas exploration

Country Status (1)

Country Link
CN (1) CN109235409B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2457536C3 (en) * 1974-12-03 1978-03-09 Philipp Holzmann Ag, 6000 Frankfurt Procedure for transporting and setting down an offshore platform on the sea bed and offshore platform
CN1008641B (en) * 1988-09-08 1990-07-04 胜利油田会战指挥部 Walking and seating on floor type well drilling plateform
CN101219705A (en) * 2008-01-14 2008-07-16 中国海洋石油总公司 Semi-submersible drilling platform
CN201825221U (en) * 2010-10-14 2011-05-11 陈贵均 Semi-submersible type drilling platform
CN105775056A (en) * 2016-03-29 2016-07-20 中国海洋石油总公司 Bottom-supported production storage platform
CN207212271U (en) * 2017-09-26 2018-04-10 中铁二十局集团有限公司 A kind of floating box type drilling platform

Also Published As

Publication number Publication date
CN109235409A (en) 2019-01-18

Similar Documents

Publication Publication Date Title
US10627317B2 (en) Self-anchored piling sediment sampler
CN205297313U (en) Towed trepan
CN204753589U (en) A static pressure stake machine complete machine is planted in reaming
CN102797419A (en) Underwater drilling arrangement and method for introducing a foundation element into a bed of a body of water
CN110050552A (en) A kind of submerged plant planting robot
WO2017004965A2 (en) Wave power generation device having automatic anchor chain adjustment apparatus
CN108374428A (en) Jacket foundation construction device and installation method
US3378086A (en) Stationary overwater platform
CN109235409B (en) Drilling platform operation equipment for oil and gas exploration
CN204780836U (en) Fixed drilling platform of adjustable floating
CN214667937U (en) Multi-tube sampling device driven by hydraulic pressure
CN109235407B (en) Bottom-supported drilling platform for ocean resource development
CN211111302U (en) Ecological floating island spud pile
CN112360364A (en) Automatic discharging device for drilling drill rods
CN112744696A (en) Fixing device for water conservancy and hydropower buried pipe and using method thereof
CN107420041B (en) Full hydraulic power head core drill without drilling tower
CN114635427B (en) Underwater guide frame
CN211256910U (en) Hydraulic and hydroelectric engineering dam convenient to drainage
CN104120720A (en) Method for accurately implanting large-diameter pile casing into strong wave flow force inclined bare rock
CN210195662U (en) Intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method
CN211006657U (en) Auxiliary cable descending device suitable for prestressed anchor cable in high and steep complex terrain
CN109295949B (en) Drilling platform fixed mounting equipment and drilling platform fixed mounting process
CN106593334B (en) Self-submersible underwater core drilling sampling device
CN214163552U (en) Slotting device for water and electricity installation
CN201002707Y (en) Automatic lifting pontoon for monitoring mud and water quality

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20200925

Address after: 312500 East Chen 112, Dongcheng Village, Chengtan Town, Xinchang County, Shaoxing City, Zhejiang Province

Applicant after: ZHEJIANG JINHAI MACHINERY TECHNOLOGY Co.,Ltd.

Address before: 317000 No. 1-75, Huangjialiao Village, Kuocang Town, Linhai City, Taizhou City, Zhejiang Province

Applicant before: Cheng Chunlan

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant