CN117365358A - Workover zone pressure operation device - Google Patents

Workover zone pressure operation device Download PDF

Info

Publication number
CN117365358A
CN117365358A CN202311639523.6A CN202311639523A CN117365358A CN 117365358 A CN117365358 A CN 117365358A CN 202311639523 A CN202311639523 A CN 202311639523A CN 117365358 A CN117365358 A CN 117365358A
Authority
CN
China
Prior art keywords
rotating
far away
seat
groove
fixedly connected
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.)
Granted
Application number
CN202311639523.6A
Other languages
Chinese (zh)
Other versions
CN117365358B (en
Inventor
郭峰
王�华
陈旭
尤小军
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.)
Jiangsu Jinfeng Petroleum Machinery Manufacturing Co Ltd
Original Assignee
Jiangsu Jinfeng Petroleum Machinery Manufacturing 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 Jiangsu Jinfeng Petroleum Machinery Manufacturing Co Ltd filed Critical Jiangsu Jinfeng Petroleum Machinery Manufacturing Co Ltd
Priority to CN202311639523.6A priority Critical patent/CN117365358B/en
Publication of CN117365358A publication Critical patent/CN117365358A/en
Application granted granted Critical
Publication of CN117365358B publication Critical patent/CN117365358B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/02Surface sealing or packing
    • E21B33/03Well heads; Setting-up thereof

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Transmission Devices (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention discloses a well workover pressurized operation device, which relates to the technical field related to well workover, and comprises a base, wherein a working opening is formed in the base, four moving grooves which are symmetrically arranged are formed in the upper end face of the base, the four moving grooves are respectively arranged on four sides of the working opening, moving seats are slidably connected in the four moving grooves, supporting seats are fixedly connected to the four moving seats, penetrating openings are formed in the four supporting seats, threaded columns are slidably connected in the four penetrating openings, mounting frames are fixedly connected to one ends, close to each other, of the four threaded columns, the mounting frames are opposite to the working opening, a pressurized assembly is arranged on the mounting frames, the pressurized assembly penetrates through the working opening, and two mounting nuts are connected to the four threaded columns in a threaded manner. The invention has the advantages that the workers can conveniently install the belt pressure assembly, and the positions of the belt pressure assembly can be finely adjusted after being installed, so that the belt pressure assembly is very beneficial to the workers.

Description

Workover zone pressure operation device
Technical Field
The invention relates to the technical field related to well workover, in particular to a well workover pressurized operation device.
Background
Oil and natural gas are buried in an oil and gas layer from tens of meters to thousands of meters underground, an oil and gas channel is needed to be established between the ground and the underground oil and gas layer, the channel is a well, pressurized equipment is often used in well repairing work, the working principle of pressurized well repairing is that after the pressure in a pipe column is sealed by an inner blanking plug, the whole device is installed on a wellhead, the annular blowout preventer or a flashboard blowout preventer is used for sealing the pressure of the oil pipe and a casing annulus, when the pressure in the well is higher than the self weight of the pipe column, a hydraulic anti-jacking slip clamping pipe column is used, a lifting hydraulic cylinder is used for lifting the pipe column and a downhole tool, and when the pressure in the well is lower than the self weight of the pipe column, a winch of a well repairing machine is used for lifting or lowering the pipe column and the downhole tool. When the well pressure is high, the collar can be poured out by using the single-ram blowout preventer and the annular blowout preventer, when the well pressure is low, the collar can be forced to pass by using the annular blowout preventer, and when a longer tool string needs to be lifted, the tool string can be poured out or poured in by adding the lifting nipple.
Therefore, when the equipment with pressure is used for well workover, corresponding equipment needs to be installed at a wellhead, the equipment with pressure is aligned with the wellhead, the existing equipment with pressure is inconvenient to install, meanwhile, due to the fact that the equipment is large in size, small deviation can occur after installation is completed, the equipment needs to be detached and reinstalled if adjustment is needed, and the equipment is inconvenient to use by workers.
Therefore, we propose a workover treatment device with pressure to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a well workover treatment device with pressure.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a workover area is pressed operation device, includes the base, be equipped with the working opening on the base, be equipped with four on the up end of base and be the removal groove that mutual symmetry set up, four it is located the four sides setting of working opening respectively to remove the groove all sliding connection has the removal seat in the removal groove, four all fixedly connected with supporting seat on the removal seat, four all be equipped with the through-hole on the supporting seat, four equal sliding connection has the screw post in the through-hole, four the common fixedly connected with mounting bracket of one end that screw post is close to each other, the mounting bracket is just to the working opening setting, be equipped with on the mounting bracket and press the subassembly, press the subassembly to run through the working opening setting, four equal threaded connection has two installation nuts on the screw post, eight the installation nut is located the both sides setting of four supporting seats respectively, be equipped with a plurality of supporting components on the lower terminal surface of base, a plurality of supporting components are keeping away from each other and set up.
Preferably, the supporting component is including setting up the rotatory mouth on the terminal surface under the base, rotatory mouth internal rotation is connected with the roating seat, the roating mouth is concave structure setting, the roating seat is convex structure setting, the shape of roating seat is the matching setting with the roating mouth, fixedly connected with rotor plate on the lateral wall of roating seat is kept away from to the roating seat, one side that the roating seat was kept away from to the rotor plate is equipped with the swivel mount, the swivel mount is L shape setting, be equipped with the extension groove on the lateral wall that the swivel mount is close to the rotor plate, sliding connection has the extension board in the extension groove, the one end fixed connection of extension board sets up on the rotor plate, be equipped with the screw thread mouth on the lateral wall of rotor plate is kept away from to the swivel mount, screw thread mouth internal thread connection has the screw thread groove on the rotor plate and the roating seat, screw thread groove internal thread connection has extrusion bolt, extrusion bolt through the setting, extrusion bolt keeps away from the laminating on one end of screw thread groove is equipped with the support of screw thread groove, the support is kept away from on the rotor plate, the support is equipped with a plurality of screw thread holes, the equal fixed connection is kept away from to the support of screw bolt.
Preferably, a plurality of auxiliary frames of fixedly connected with on the mounting bracket is close to a lateral wall of base, and is a plurality of the auxiliary frames is kept away from each other and sets up, and is a plurality of the auxiliary frames all are the slope form setting, and a plurality of the auxiliary frames is kept away from a lateral wall of mounting bracket and all laminates and set up on the up end of base.
Preferably, the four moving grooves are all arranged in a T shape, the four moving seats are also arranged in a T shape, and the shapes of the four moving seats are respectively matched with the four moving grooves.
Preferably, the four moving seats are provided with ball grooves on one side wall far away from the four supporting seats, a plurality of rolling balls are arranged in the ball grooves, and one ends of the rolling balls far away from the ball grooves are respectively attached to the inner walls of the four moving grooves.
Preferably, a rotary groove is formed in a side wall, close to the rotary frame, of the rotary plate, the rotary groove is opposite to the threaded rod, a rotary block is connected in the rotary groove in a rotary mode, the rotary groove and the rotary block are in concave-convex fit, and the rotary block is fixedly connected to the threaded rod.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a worker can conveniently adjust the positions of the plurality of support plates by means of the rotation of the rotating seat in the rotating opening and the adjustment of the distance between the rotating frame and the rotating plate, and then the belt pressure assembly is supported, so that the installation work of the belt pressure assembly by the worker is greatly facilitated, and meanwhile, the worker can finely adjust the positions of the mounting frame and the belt pressure assembly by means of the sliding and fixing of the threaded column and the sliding of the moving seat in the moving groove, so that the worker can finely adjust the positions of the mounted belt pressure assembly, and the well repairing work can be better carried out, thereby being very beneficial to the use of the worker.
Drawings
FIG. 1 is a front structural cross-sectional view of a well workover treatment device with pressure according to the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1;
FIG. 3 is a cross-sectional view of a base portion of a pressurized working device for well intervention;
FIG. 4 is a top view of a portion of a rotary frame of a pressurized working device for well workover according to the present invention;
fig. 5 is an enlarged view of the B structure of fig. 4.
In the figure: 1 base, 2 working ports, 3 moving grooves, 4 moving seats, 5 supporting seats, 6 penetrating ports, 7 threaded columns, 8 mounting frames, 9 belt-pressing assemblies, 10 mounting nuts, 11 rotating ports, 12 rotating seats, 13 rotating plates, 14 rotating frames, 15 extending grooves, 16 extending plates, 17 threaded ports, 18 threaded rods, 19 rotating holes, 20 threaded grooves, 21 extrusion bolts, 22 supporting plates, 23 threaded holes, 24 fixing bolts, 25 pointed ends, 26 auxiliary frames, 27 spherical grooves, 28 rolling balls, 29 rotating grooves and 30 rotating blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, a workover treatment device with pressure comprises a base 1, a working opening 2 is arranged on the base 1, four moving grooves 3 which are mutually symmetrically arranged are arranged on the upper end surface of the base 1, the four moving grooves 3 are respectively arranged at four sides of the working opening 2, moving seats 4 are respectively and slidably connected in the four moving grooves 3, the four moving grooves 3 are respectively arranged in a T shape, the four moving seats 4 are respectively arranged in a T shape, the shapes of the four moving seats 4 are respectively matched with the four moving grooves 3, thus effectively avoiding the falling problem, supporting seats 5 are fixedly connected on the four moving seats 4, a spherical groove 27 is respectively arranged on one side wall of the four moving seats 4 far away from the four supporting seats 5, rolling balls 28 are respectively arranged in the plurality of spherical grooves 27, the inner walls of the four moving grooves 3 are respectively attached to one ends of the plurality of rolling balls 28, which are far away from the plurality of ball grooves 27, so that the moving seat 4 can move more easily and smoothly, the adjustment work is completed better, through holes 6 are formed in the four supporting seats 5, threaded columns 7 are connected in the four through holes 6 in a sliding manner, mounting frames 8 are fixedly connected to one ends of the four threaded columns 7, which are close to each other, of the four through holes 6, the mounting frames 8 are arranged opposite to the working holes 2, a plurality of auxiliary frames 26 are fixedly connected to one side wall of the mounting frames 8, which is close to the base 1, the auxiliary frames 26 are arranged far away from each other, one side wall of the mounting frames 8 is arranged in an inclined manner, which is far away from the auxiliary frames 26, are attached to the upper end face of the base 1, so that the mounting frames 8 and the belt pressing assembly 9 can be supported in an auxiliary manner, and the work of the device is more stable;
the installation rack 8 is provided with a belt pressing component 9, the belt pressing component 9 penetrates through the working opening 2, four threaded columns 7 are respectively connected with two installation nuts 10 in a threaded manner, eight installation nuts 10 are respectively arranged on two sides of four supporting seats 5, the lower end face of the base 1 is provided with a plurality of supporting components which are far away from each other, the supporting components comprise a rotating opening 11 arranged on the lower end face of the base 1, the rotating opening 11 is connected with a rotating seat 12 in a rotating manner, the rotating opening 11 is arranged in a concave structure, the rotating seat 12 is arranged in a convex structure, the shape of the rotating seat 12 is matched with the rotating opening 11, one side of the rotating seat 12 far away from the rotating opening 11 is fixedly connected with a rotating plate 13, one side of the rotating plate 13 far away from the rotating seat 12 is provided with a rotating frame 14, the rotating frame 14 is arranged in an L shape, an extension groove 15 is formed in one side wall of the rotating frame 14, which is close to the rotating plate 13, an extension plate 16 is connected in the extension groove 15 in a sliding manner, one end of the extension plate 16 is fixedly connected to the rotating plate 13, a threaded opening 17 is formed in one side wall of the rotating frame 14, which is far away from the rotating plate 13, a threaded rod 18 is connected in the threaded opening 17 in a threaded manner, one end of the threaded rod 18 is connected to the rotating plate 13 in a rotating manner, a rotating groove 29 is formed in one side wall of the rotating plate 13, which is close to the rotating frame 14, the rotating groove 29 is opposite to the threaded rod 18, a rotating block 30 is connected in a rotating manner, the rotating groove 29 and the rotating block 30 are in concave-convex fit, and the rotating block 30 is fixedly connected to the threaded rod 18, so that the rotating connection work is more stable, and the distance adjustment work is completed well;
the rotating plate 13 and the rotating seat 12 are jointly provided with a rotating hole 19, a thread groove 20 is formed in the inner wall of one side, far away from the rotating seat 12, of the rotating opening 11, an extrusion bolt 21 is connected with the thread groove 20 in an internal thread mode, the extrusion bolt 21 penetrates through the rotating hole 19, one end, far away from the thread groove 20, of the extrusion bolt 21 is attached to the rotating plate 13, the rotating frame 14 is far away from one end fixedly connected with a supporting disc 22 of the rotating plate 13, a plurality of threaded holes 23 which are symmetrically arranged are formed in the supporting disc 22, fixing bolts 24 are connected in the threaded holes 23 in a threaded mode, one end, far away from the rotating frame 14, of the fixing bolts 24 is fixedly connected with a pointed end 25, supporting and fixing work at different positions can be conveniently completed, and different installation requirements of workers are greatly met.
In the use process of the invention, after a worker transfers the device to a specified position of a wellhead, the worker can rotate a plurality of extrusion bolts 21 firstly, so that the plurality of extrusion bolts 21 are separated from corresponding thread grooves 20, the locking state of structures such as a rotating seat 12, a rotating plate 13 and a rotating frame 14 can be smoothly relieved, the worker can correspondingly adjust the work, at the moment, the worker can rotate the rotating plate 13 and the rotating frame 14 to a proper position by means of the rotation of the rotating seat 12 in the rotating opening 11, then the supporting disc 22 below the rotating frame 14 can be moved to a proper stable position, the plurality of supporting discs 22 are positioned at the stable position, the worker can rotate a threaded rod 18 in the threaded opening 17 according to the requirement, the rotating frame 14 can be moved to a proper position relative to the rotating plate 13 by means of the rotation of the rotating seat 12 under the restriction of the extending groove 15 and the extending plate 16, and the supporting disc 22 can be moved to a proper position, and the worker can be placed on the ground surface of the device in a proper position, and the device can not be placed on the proper ground;
then, the worker can reversely rotate the plurality of extrusion bolts 21, so that the plurality of extrusion bolts 21 are threaded into the corresponding thread grooves 20 while rotating in the plurality of rotation holes 19, and the extrusion fixing work of the rotation plate 13 and the rotation seat 12 is completed, thus the structures of the rotation plate 13, the rotation seat 12 and the like can be effectively limited, the accidental rotation of the structures of the rotation seat 12, the rotation plate 13 and the like is avoided, the stability of the device is prevented, and meanwhile, the worker also needs to rotate the fixing bolts 24 in the plurality of thread holes 23, so that the plurality of fixing bolts 24 can complete the fixing work by means of the threads and the pointed heads 25 of the worker, the worker can smoothly complete the preliminary installation work of the device, then the worker can perform the fine adjustment work of the belt pressing assembly 9 according to the wellhead position, at this moment, the worker can firstly rotate the plurality of installation nuts 10, the plurality of mounting nuts 10 can be far away from the corresponding supporting seat 5 while rotating on the corresponding threaded columns 7, so that corresponding space is reserved for subsequent fine adjustment work, then a worker can push the mounting frame 8 and the belt pressing assembly 9, the movement work of the mounting frame 8 and the belt pressing assembly 9 is not interfered by the sliding of the threaded columns 7 in the through holes 6 and the sliding of the movable seat 4 in the movable groove 3, after the adjustment work is finished, the worker can reversely rotate the plurality of mounting nuts 10, the plurality of mounting nuts 10 can be moved to the position attached to the supporting seat 5 while rotating on the threaded columns 7, thus the four threaded columns 7 are fixed again smoothly, the mounting frame 8 and the belt pressing assembly 9 are fixed at the designated positions, the fine adjustment work of the position of the belt pressing assembly 9 is conveniently finished by the worker, so that the well repairing work can be smoothly unfolded.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a workover area is pressed operation device, includes base (1), its characterized in that, be equipped with work opening (2) on base (1), be equipped with four on the up end of base (1) and be the removal groove (3) that mutual symmetry set up, four remove groove (3) and be located the four sides setting of work opening (2) respectively, four equal sliding connection has in removal groove (3) and removes seat (4), four equal fixedly connected with supporting seat (5) on removing seat (4), four all be equipped with through-hole (6) on supporting seat (5), four equal sliding connection has screw thread post (7) in through-hole (6), four screw thread post (7) are close to one end common fixedly connected with mounting bracket (8) each other, mounting bracket (8) are just to work opening (2) setting, be equipped with on mounting bracket (8) and press subassembly (9) and run through work opening (2) and set up, four equal threaded connection has two installation seat (10) on screw thread post (7) eight supporting seat (10) are located the base (1) sets up down in the multiple support nut (5) sets up respectively.
2. The workover treatment device according to claim 1, wherein the supporting component comprises a rotating opening (11) arranged on the lower end face of the base (1), the rotating opening (11) is internally connected with a rotating seat (12), the rotating opening (11) is arranged in a concave structure, the rotating seat (12) is arranged in a convex structure, the shape of the rotating seat (12) is matched with that of the rotating opening (11), a side wall of the rotating seat (12) far away from the rotating opening (11) is fixedly connected with a rotating plate (13), one side of the rotating plate (13) far away from the rotating seat (12) is provided with a rotating frame (14), the rotating frame (14) is arranged in an L shape, one side wall of the rotating frame (14) close to the rotating plate (13) is provided with an extending groove (15), one end of the extending plate (16) is fixedly connected with the rotating plate (13), one side wall of the rotating frame (14) far away from the rotating plate (13) is provided with a matching arrangement, one side wall of the rotating frame (12) far away from the rotating plate (13) is provided with a threaded hole (17), one end of the rotating plate (13) is provided with a threaded rod (18) and one end of the rotating plate (13) is provided with a threaded hole (18), the rotary support is characterized in that a thread groove (20) is formed in the inner wall of one side, far away from the rotary seat (12), of the rotary opening (11), an extrusion bolt (21) is connected with the thread groove (20) in a threaded mode, the extrusion bolt (21) penetrates through the rotary hole (19) to be arranged, one end, far away from the thread groove (20), of the extrusion bolt (21) is attached to the rotary plate (13), a supporting disc (22) is fixedly connected with one end, far away from the rotary plate (13), of the rotary frame (14), a plurality of threaded holes (23) which are symmetrically arranged in the center are formed in the supporting disc (22), fixing bolts (24) are connected with threads in the threaded holes (23), and a plurality of fixing bolts (24) are fixedly connected with tips (25) at one end, far away from the rotary frame (14), of the fixing bolts are fixedly connected with one end.
3. The well workover zone pressure operation device according to claim 1, wherein a plurality of auxiliary frames (26) are fixedly connected to a side wall of the installation frame (8) close to the base (1), the auxiliary frames (26) are arranged far away from each other, the auxiliary frames (26) are all arranged in an inclined mode, and a side wall of the auxiliary frames (26) far away from the installation frame (8) is attached to the upper end face of the base (1).
4. The workover treatment device with pressure according to claim 1, wherein four moving grooves (3) are all T-shaped, four moving seats (4) are also T-shaped, and the shapes of the four moving seats (4) are respectively matched with the four moving grooves (3).
5. The workover treatment device with pressure according to claim 1, wherein a spherical groove (27) is formed in a side wall, far away from the four supporting seats (5), of the four movable seats (4), rolling balls (28) are arranged in the spherical grooves (27), and one ends, far away from the spherical grooves (27), of the rolling balls (28) are respectively attached to the inner walls of the four movable grooves (3).
6. The workover treatment device with pressure according to claim 2, characterized in that a rotating groove (29) is arranged on one side wall of the rotating plate (13) close to the rotating frame (14), the rotating groove (29) is opposite to the threaded rod (18), a rotating block (30) is connected in the rotating groove (29) in a rotating way, the rotating groove (29) and the rotating block (30) are arranged in a concave-convex fit mode, and the rotating block (30) is fixedly connected to the threaded rod (18).
CN202311639523.6A 2023-12-04 2023-12-04 Workover zone pressure operation device Active CN117365358B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311639523.6A CN117365358B (en) 2023-12-04 2023-12-04 Workover zone pressure operation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311639523.6A CN117365358B (en) 2023-12-04 2023-12-04 Workover zone pressure operation device

Publications (2)

Publication Number Publication Date
CN117365358A true CN117365358A (en) 2024-01-09
CN117365358B CN117365358B (en) 2024-02-27

Family

ID=89395028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311639523.6A Active CN117365358B (en) 2023-12-04 2023-12-04 Workover zone pressure operation device

Country Status (1)

Country Link
CN (1) CN117365358B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761721A (en) * 2019-11-09 2020-02-07 江苏省金峰石油机械制造有限公司 Under-pressure operation wellhead platform capable of being used for slope
CN111764857A (en) * 2020-07-13 2020-10-13 濮阳市海华石油机械有限公司 Petroleum wellhead assembly easy to assemble
CN215632872U (en) * 2021-04-29 2022-01-25 江苏省金峰石油机械制造有限公司 Gas well under-pressure operation device
CN218882175U (en) * 2022-12-01 2023-04-18 江苏省金峰石油机械制造有限公司 Oil well under-pressure operation equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110761721A (en) * 2019-11-09 2020-02-07 江苏省金峰石油机械制造有限公司 Under-pressure operation wellhead platform capable of being used for slope
CN111764857A (en) * 2020-07-13 2020-10-13 濮阳市海华石油机械有限公司 Petroleum wellhead assembly easy to assemble
CN215632872U (en) * 2021-04-29 2022-01-25 江苏省金峰石油机械制造有限公司 Gas well under-pressure operation device
CN218882175U (en) * 2022-12-01 2023-04-18 江苏省金峰石油机械制造有限公司 Oil well under-pressure operation equipment

Also Published As

Publication number Publication date
CN117365358B (en) 2024-02-27

Similar Documents

Publication Publication Date Title
CN103831649B (en) A kind of clamping device processing disc brake carrier
CN117365358B (en) Workover zone pressure operation device
CN201013270Y (en) Slips device with pressing-up down pipe string
CN113380498A (en) Large-scale dry-type transformer
CN210659998U (en) Wellhead operation platform for coiled tubing operation
CN215717081U (en) Civil engineering is with adjustable bearing stores pylon
CN215468270U (en) Tapping device is used in production of aluminium system building templates
CN204877286U (en) All around rotation hydrodrill seat frame
CN211001284U (en) Mine engineering machinery operation device
CN214364824U (en) Strutting arrangement for building engineering
CN213233478U (en) Foundation pit supporting structure
CA2658664A1 (en) Stabilizing structure foe wellhead equipment
CN113247790A (en) Four-dimensional adjusting attachment device for connecting attached tower body and building
CN209164283U (en) Building curtain wall reaming anchor bolt
CN220741468U (en) Drilling equipment is used in resin handicraft processing
CN115596483B (en) Multi-pilot-hole tunnel temporary supporting device and construction method thereof
CN219217286U (en) Lifting equipment for corridor
CN220505993U (en) Petroleum pipeline support
CN220620980U (en) Building climbing frame for constructional engineering
CN220848745U (en) Template support frame base on swash plate
CN213419058U (en) Special high wear-resisting milling tool of well workover
CN219336864U (en) Anti-slip effectual press riveting nut production clamping device
CN214464210U (en) Supporting device for tunnel construction
CN116085601A (en) Adjusting part and slush pump
CN216828080U (en) Bending device convenient to adjust for engineering machinery parts

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
GR01 Patent grant
GR01 Patent grant