CN112943141A - Pipe rod shearing device for underground operation construction - Google Patents
Pipe rod shearing device for underground operation construction Download PDFInfo
- Publication number
- CN112943141A CN112943141A CN202110531305.5A CN202110531305A CN112943141A CN 112943141 A CN112943141 A CN 112943141A CN 202110531305 A CN202110531305 A CN 202110531305A CN 112943141 A CN112943141 A CN 112943141A
- Authority
- CN
- China
- Prior art keywords
- shearing
- hoisting
- arm
- fixed
- movable
- 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
Links
- 238000010008 shearing Methods 0.000 title claims abstract description 82
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 239000003208 petroleum Substances 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 229910003470 tongbaite Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 239000007787 solid Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000003129 oil well Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oil exploitation equipment, and particularly discloses a pipe rod shearing device for underground operation construction. It includes unable adjustment base and hydraulic pump, the hydraulic pump is installed unable adjustment base external surface one side, the outside fixed joint in one side of hydraulic pump is installed and is sheared the mechanism, it is used for waiting to overhaul the tubular pole to cut the mechanism, it includes pneumatic cylinder, solid pole fender cover, cuts the main sword, the activity arm of sticking up, cuts side sword, supporting spring and side depression bar to shear the mechanism. The external part of the petroleum wellhead pipe rod is supported and fixed through the fixed rod blocking cover, power is provided for the hydraulic cylinder through the hydraulic pump, hydraulic shearing can be performed on one side of the external part of the pipe rod through the shearing main cutter, and meanwhile, when the shearing main cutter descends to a certain height. The other side of the movable tilting arm is upwards jacked up, and the two sides of the bottom end of the pipe rod can be cut in an auxiliary mode through the cutting side knife, so that the problem that the cutting effect and the speed are poor when hydraulic cutting is carried out by using a hydraulic cylinder singly is solved.
Description
Technical Field
The invention relates to the technical field of oil exploitation equipment, in particular to a pipe rod shearing device for underground operation construction.
Background
In the process of oil field development, downhole operation often encounters production technical problems which disturb normal construction, due to the influence of sand, wax, thick oil, scale formation, falling objects and other reasons, a few wells which need to be repaired by operation are blocked every year, for the repair operation, an operation team is very troublesome in construction, because the construction has difficult procedures of releasing a clamp, reversing and the like, and many wells cannot perform reversing operation or reversing failure due to various reasons. In addition, for a water well with a severely corroded pipe column, in the operation of lifting the pipe column or blowout rescue construction, because the strength of part of the oil pipe is low, the gripping force of a hydraulic clamp is poor or the pipe column coupling height is not suitable, the pipe column is difficult to break out, the oil pipe can only be cut by using a pipe cutter or a steel saw bow or a saw blade, the operation difficulty is increased, and meanwhile, the safe production is not facilitated.
Disclosure of Invention
The invention aims to provide a pipe rod shearing device which is used for underground operation construction and has high shearing efficiency and safe and convenient use, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a pipe pole shearing device for underground operation construction comprises a fixed base and a hydraulic pump, wherein the hydraulic pump is installed on the fixed base, a shearing mechanism is installed on one side of the outside of the hydraulic pump in a fixed clamping mode and used for shearing a pipe pole to be overhauled for petroleum, the shearing mechanism comprises a hydraulic cylinder, a fixed rod shield, a shearing main knife, a movable warping arm, a shearing side knife, a supporting spring and a side pressure rod, the hydraulic cylinder is installed on one side of the outside of the hydraulic pump in a fixed clamping mode, the fixed rod shield is fixedly sleeved and installed on one side end portion of the hydraulic cylinder, the shearing main knife is fixedly embedded and installed at the bottom of the hydraulic cylinder, the movable warping arm is rotatably installed on the inner wall of the fixed rod shield corresponding to the two sides of the bottom end of the shearing main knife, the shearing side knife is fixedly clamped and installed at the top of the movable warping arm, the supporting spring is fixedly embedded and installed on one side of the bottom, the side pressure rods are symmetrically clamped and installed at the positions, corresponding to the top end of one side of the movable warping arm, of two sides of the shearing main cutter.
Further, fixed establishment is installed to the equal fixed joint in the outside bottom both sides of unable adjustment base, fixed establishment is used for right unable adjustment base supports fixedly in wellhead department, fixed establishment includes side support, activity support arm, cursor slide seat, rotatory lead screw, driving motor, backup pad and buffer spring, the fixed joint of side support is installed the outside bottom both sides of unable adjustment base, activity support arm middle part is rotated and is installed inside the side support, install in the embedding of cursor slide seat outer wall one side bottom the activity support arm outer wall, rotatory lead screw runs through the embedding and installs inside the cursor slide seat, driving motor fixed joint is installed rotatory lead screw top.
Further, the inside top of cursor slide seat with connect through the meshing of screw thread spiral groove between the rotatory lead screw outer wall, buffer spring cup joints the installation the outside bottom of rotatory lead screw corresponds the cursor slide seat is close to collateral branch seat one side position department, the fixed joint of backup pad is installed movable support arm is kept away from the one end of cursor slide seat, just the subsides of backup pad outer wall surface have rubber anti-skidding gasket.
Furthermore, one side of the top of the fixed rod blocking cover is rotatably connected with one side of the bottom of the hydraulic cylinder through a connecting hinge, and the other side of the top of the fixed rod blocking cover is fixedly connected with the other side of the bottom of the hydraulic cylinder through a fastening screw rod.
Further, still include reversing switch, the fixed joint of reversing switch is installed outside one side of hydraulic pump, just reversing switch with cut and pass through the connection through hydraulic pressure pipeline between the main sword, the outside opposite side embedding joint of hydraulic pump installs the pressure indicator.
Further, unable adjustment base outer wall both sides fixed joint installs hoisting machine and constructs, hoisting machine constructs to be used for right unable adjustment base is whole to hoist in well head department, hoisting machine constructs including connection cassette, hoist and mount main cable, hoist and mount branch cable, activity cassette, stationary clamp and hoist arm, connect the fixed welding of cassette in unable adjustment base outer wall both sides, hoist and mount main cable runs through the joint and is in one connect the cassette top, hoist and mount branch cable runs through the joint and installs another connect the cassette top, activity cassette activity cup joints and installs hoist and mount the main cable outside.
Furthermore, the fixed wire clamp is fixedly clamped and installed at the bottom of the hoisting branch cable, the top end of the outer portion of the hoisting branch cable is fixedly clamped and connected with the surface of the bottom end of the movable clamping seat, the hoisting arm is fixedly installed at the top of the movable clamping seat, and a screw hole is formed in the hoisting arm in a penetrating mode.
Further, chromium carbide anti-corrosion coatings are uniformly coated on the outer wall surfaces of the fixed base, the hydraulic pump and the fixed rod blocking cover, and the maximum shearing pressure of the shearing main cutter is 35 MPa.
Compared with the prior art, the invention has the beneficial effects that:
the invention is provided with a shearing mechanism, supports and fixes the outside of a petroleum wellhead pipe rod through a fixed rod baffle cover, provides power for a hydraulic cylinder through a hydraulic pump, can hydraulically shear one side of the outside of the pipe rod through a shearing main cutter, meanwhile, when the shearing main knife descends to a certain height, one side of the movable raising arm at the bottom end inside the fixed rod blocking cover can be pressed downwards through the side pressing rod, the other side of the movable raising arm is jacked upwards, and the shearing side cutter can carry out auxiliary shearing on the two sides of the bottom end of the pipe rod, thereby solving the problems of poor shearing effect and poor speed when hydraulic shearing is carried out by using a hydraulic cylinder singly, meanwhile, the damage degree of the hydraulic cylinder is reduced, the actual service life of the hydraulic cylinder is prolonged, the device has the advantages of strong shearing force, simplicity and labor saving in operation, convenience in installation and use, safety, high efficiency and reliable performance, and potential safety and well control accident hazards are eliminated by field application of the device.
The fixing mechanism is arranged, after the height of the hydraulic cylinder is adjusted, the driving motor is started to drive the rotary screw rod to rotate, so that the sliding arm seat can slide, the movable supporting arm is screwed out from the side branch seat, the supporting plate supports and fixes two sides of the bottom end outside the fixing base at the oil well opening, and the firmness and convenience of installation of the fixing base in the oil well and underground operation are guaranteed.
The invention is provided with a hoisting mechanism, when the device hoists to adjust the position height of a hydraulic cylinder and a pipe rod, a hoisting branch cable is driven by a movable clamping seat to slide outside a hoisting main cable under the action of a lever principle according to the weight of the whole device, a hoisting arm at the top end outside the movable clamping seat is adjusted to a gravity balance position at the top end outside a fixed base, the bottom end of the hoisting branch cable is fixed at a connecting clamping seat by matching with a fixed cable clamp, and two sides outside the movable clamping seat are fixed at the position of the hoisting main cable in a limiting way, so that the balance performance of the whole device during height adjustment hoisting is ensured, and the problems that the two sides of the whole device are unbalanced in stress, inclined side turning is easy to occur during hoisting, and the damaged equipment is injured by personnel are.
Drawings
FIG. 1 is a schematic perspective view of the entire device of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the hoisting mechanism removed;
FIG. 3 is a schematic structural view of the shearing mechanism of FIG. 2;
FIG. 4 is a schematic structural view of the securing mechanism of FIG. 1;
FIG. 5 is a schematic view of the structure of the slide arm base of FIG. 4;
FIG. 6 is a schematic view of the structure of FIG. 1 with the securing mechanism removed;
fig. 7 is a schematic perspective view of the hoisting mechanism of the present invention.
Reference numerals: 1. a fixed base; 2. a hydraulic pump; 3. a shearing mechanism; 301. a hydraulic cylinder; 302. a fixed rod blocking cover; 303. shearing a main cutter; 304. a movable raising arm; 305. shearing a side cutter; 306. a support spring; 307. a lateral pressure lever; 4. a fixing mechanism; 401. a side support; 402. a movable support arm; 403. a slide arm base; 404. rotating the screw rod; 405. a drive motor; 406. a support plate; 407. a buffer spring; 5. a hoisting mechanism; 501. connecting the card holder; 502. hoisting a main cable; 503. hoisting branch cables; 504. a movable card holder; 505. fixing a wire clamp; 506. hoisting the arm; 6. a reversing switch; 7. a pressure indicator gauge; 8. a hydraulic line; 9. connecting a hinge; 10. and (5) fastening the screw rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7 together, a pipe rod shearing apparatus for downhole operation construction includes a fixed base 1 and a hydraulic pump 2, the hydraulic pump 2 is installed on the fixed base 1, a shearing mechanism 3 is installed on one side outside the hydraulic pump 2 in a fixed clamping manner, the shearing mechanism 3 includes a hydraulic cylinder 301, a fixed rod shield 302, a shearing main knife 303, a movable raising arm 304, a shearing side knife 305, a supporting spring 306 and a side pressure rod 307, the hydraulic cylinder 301 is installed on one side outside the hydraulic pump 2 in a fixed clamping manner, the fixed rod shield 302 is fixedly sleeved and installed on one side end portion of the hydraulic cylinder 301, the shearing main knife 303 is fixedly embedded and installed at the bottom of the hydraulic cylinder 301, the movable raising arm 304 is rotatably installed on two sides of the inner wall of the fixed rod shield 302 corresponding to the bottom end of the shearing main knife 303, and the shearing side. The supporting spring 306 is fixedly embedded at the connecting position of one side of the bottom end of the movable raising arm 304 and the fixed rod shield 302, the lateral pressure rods 307 are symmetrically clamped and installed at the positions of the two sides of the shearing main knife 303 corresponding to the top end of the movable raising arm 304, the outside of the petroleum wellhead pipe rod is supported and fixed through the fixed rod shield 302, the hydraulic cylinder 301 is powered through the hydraulic pump 2, one side of the outside of the pipe rod can be hydraulically sheared by the shearing main knife 303, meanwhile, when the shearing main knife 303 descends to a certain height, one side of the movable raising arm 304 at the bottom end inside the fixed rod shield 302 can be pressed downwards through the lateral pressure rods 307 at the two sides of the outside of the shearing main knife 303, the other side of the movable raising arm 304 is jacked upwards, the two sides of the bottom end of the pipe can be subjected to auxiliary shearing by the shearing lateral knife 305, the problems of hydraulic shearing effect and poor speed caused by the single hydraulic shearing of the hydraulic cylinder, the actual service life of the hydraulic cylinder 301 is prolonged, so that the device has the advantages of strong shearing force, simplicity and labor saving in operation, convenience in installation and use, safety, high efficiency and reliable performance, and potential safety and well control accidents are eliminated by field application of the device.
Referring to fig. 2, 4 and 5, the fixing mechanisms 4 are fixedly and clamped on both sides of the outer bottom end of the fixing base 1, each fixing mechanism 4 comprises a side support 401, a movable support arm 402, a sliding arm seat 403, a rotary screw rod 404, a driving motor 405, a support plate 406 and a buffer spring 407, and the side support 401 is fixedly and clamped on both sides of the outer bottom end of the fixing base 1.
Referring to fig. 5, the middle part of the movable support arm 402 is rotatably sleeved inside the side support 401, the bottom end of one side of the outer wall of the sliding arm seat 403 is embedded in the outer wall of the movable support arm 402, the rotary screw rod 404 is embedded inside the sliding arm seat 403, the driving motor 405 is fixedly clamped and installed at the top of the rotary screw rod 404, the top end of the inside of the sliding arm seat 403 is engaged and connected with the outer wall of the rotary screw rod 404 through a thread rotary groove, in order to avoid derailing caused by outward sliding of the sliding arm seat 403 and ensure the stability and durability of the device in use, the buffer spring 407 is sleeved and installed at the bottom end of the rotary screw rod 404 corresponding to the position of the side support seat 403 close to the side support seat 401, the support plate 406 is fixedly clamped and installed at one end of the movable support arm 402 far away from the sliding arm seat 403, in order to further increase the friction force of contact, start driving motor 405 and drive rotatory lead screw 404 and rotate for slide arm seat 403 can slide, outwards unscrews at collateral branch seat 401 with activity support arm 402, supports the outside bottom both sides of unable adjustment base 1 with backup pad 406 in oil well mouth department and fixes, has guaranteed the fastness and the convenience of unable adjustment base 1 installation when the oil is in the pit with borehole operation.
Referring to fig. 3 and 6, in order to ensure that the fixed rod blocking cover 302 is opened before the pipe rod is fixed at the top end of the outer portion of the hydraulic cylinder 301 and locked and closed after the pipe rod is fixed, the use convenience of the device is improved, one side of the top of the fixed rod blocking cover 302 is rotatably connected with one side of the bottom of the hydraulic cylinder 301 through a connecting hinge 9, and the other side of the top of the fixed rod blocking cover 302 is fixedly connected with the other side of the bottom of the hydraulic cylinder 301 through a fastening screw 10.
As shown in fig. 2 and 4, in order to retract and reset the cutting main blade 303 extending from the hydraulic cylinder 301, the reversing switch 6 is fixedly clamped and mounted on one side of the outside of the hydraulic pump 2, the reversing switch 6 is connected with the cutting main blade 303 through a hydraulic pipeline 8, and a pressure indicator 7 is mounted on the outside of the hydraulic pump 2 in order to observe the pressure value inside the hydraulic pump 2 and ensure the safety performance of the device during use.
Referring to fig. 6 and 7, the hoisting mechanism 5 is fixedly clamped and installed on two sides of the outer wall of the fixed base 1, the hoisting mechanism 5 comprises a connecting clamping seat 501, a hoisting main cable 502, a hoisting branch cable 503, a movable clamping seat 504, a fixed cable clamp 505 and a hoisting arm 506, the connecting clamping seat 501 is fixedly welded on two sides of the outer wall of the fixed base 1, the hoisting main cable 502 is in through clamping connection with the top of one connecting clamping seat 501, the hoisting branch cable 503 is in through clamping connection with the top of the other connecting clamping seat 501, the movable clamping seat 504 is movably sleeved and installed outside the hoisting main cable 502, the fixed cable clamp 505 is fixedly clamped and installed on the top of the hoisting branch cable 503, the hoisting branch cable 503 is in through clamping connection with the top of the other movable clamping seat 504, the hoisting arm 506 is fixedly installed on the top of the movable clamping seat 504, and a, according to the integral weight of the device, under the action of a lever principle, a hoisting branch cable 503 is driven by a movable clamping seat 504 to slide outside a hoisting main cable 502, a hoisting arm 506 at the top end outside the movable clamping seat 504 is adjusted to the gravity balance position at the top end outside the fixed base 1, and the hoisting main cable 502 is sequentially matched with a fixed cable clamp 505, the bottom end of the hoisting branch cable 503 is fixed at a connection clamping seat 501, the two sides outside the movable clamping seat 504 are fixed in a limiting manner at the position of the hoisting main cable 502, so that the balance performance of the whole device during height adjustment hoisting is ensured, the problem that the two sides of the whole device are unbalanced in stress is solved, the device is easy to tilt and turn on the side during hoisting, and the damaged equipment of personnel is caused.
In order to improve the corrosion resistance of the whole surface of the device and prolong the durability of the whole device in the environment of a petroleum wellhead, chromium carbide corrosion-resistant coatings are uniformly coated on the outer wall surfaces of the fixed base 1, the hydraulic pump 2 and the fixed rod baffle cover 302, and in order to ensure the shearing force of the shearing main knife 303, the maximum shearing pressure of the shearing main knife 303 is 35 MPa.
In summary, the pipe cutting device for downhole operation construction provided by the invention, when in operation, firstly, when the device needs to adjust the position and height of the hydraulic cylinder 301 and the pipe rod, according to the weight of the whole device, under the action of the lever principle, the movable clamping seat 504 drives the hoisting branch cable 503 to slide outside the hoisting main cable 502, the hoisting arm 506 at the top end of the outer part of the movable clamping seat 504 is adjusted to the gravity balance position at the top end of the outer part of the fixed base 1, and cooperate fixed fastener 505 to fix the bottom of a hoist and mount cable 503 at connection cassette 501 department, the outside both sides of activity cassette 504 carry on spacing fixedly in hoist and mount main cable 502 department, have guaranteed the whole balance performance when the altitude mixture control hoist and mount of device, have solved the whole both sides atress of device unbalanced, take place to incline when hoist and mount easily and turn on one's side, lead to the problem of personnel injured equipment damage.
Then, after the height of hydraulic cylinder 301 is adjusted, start driving motor 405 and drive rotatory lead screw 404 and rotate for slide arm seat 403 can slide, outwards unscrew movable support arm 402 in collateral branch seat 401, support plate 406 and fix unable adjustment base 1 outside bottom both sides in oil well department, the fastness and the convenience of installation when having guaranteed unable adjustment base 1 on the oil well with borehole operation.
Finally, the outside of the petroleum wellhead pipe rod is supported and fixed through the fixed rod blocking cover 302, power is provided for the hydraulic cylinder 301 through the hydraulic pump 2, one side outside the pipe rod can be subjected to hydraulic shearing through the shearing main knife 303, meanwhile, when the shearing main knife 303 descends to a certain height, one side of the movable tilting arm 304 can be pressed downwards through the lateral pressure rod 307, the other side of the movable tilting arm 304 is jacked upwards, the two sides of the bottom end of the pipe rod are subjected to auxiliary shearing through the shearing side knife 305, the problem that the shearing effect and the speed are poor when the hydraulic cylinder 301 is used for singly performing hydraulic shearing is solved, meanwhile, the damage degree of the hydraulic cylinder 301 is reduced, the actual service life of the hydraulic cylinder 301 is prolonged, the device has the advantages of strong shearing force, simplicity and labor saving in operation, convenience in installation and use, safety and high efficiency, and reliable performance, and potential safety and well control accidents.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A pipe pole shearing device for underground operation construction comprises a fixed base (1) and a hydraulic pump (2), wherein the hydraulic pump (2) is arranged on the fixed base (1),
the shearing mechanism (3) is fixedly clamped and installed on one side outside the hydraulic pump (2), the shearing mechanism (3) is used for shearing a pipe rod to be overhauled for petroleum, the shearing mechanism (3) comprises a hydraulic cylinder (301), a fixed rod blocking cover (302), a shearing main knife (303), a movable tilting arm (304), a shearing side knife (305), a supporting spring (306) and a side pressure rod (307),
the hydraulic cylinder (301) is fixedly clamped and installed at one side of the outer part of the hydraulic pump (2),
the fixed rod blocking cover (302) is fixedly sleeved and installed at the end part of one side of the hydraulic cylinder (301),
the shearing main knife (303) is fixedly embedded at the bottom of the hydraulic cylinder (301),
the movable tilting arms (304) are rotatably arranged on the two sides of the inner wall of the fixed rod blocking cover (302) corresponding to the bottom end of the main shearing knife (303),
the cutting side knife (305) is fixedly clamped and installed at the top of the movable tilting arm (304)
The supporting spring (306) is fixedly embedded and installed at the connecting position of one side of the bottom end of the movable tilting arm (304) and the fixed rod blocking cover (302),
the side pressure rods (307) are symmetrically clamped and installed at the positions, corresponding to the top ends of the movable warping arms (304), of the two sides of the shearing main knife (303).
2. The pipe pole shearing device for the downhole operation construction is characterized in that fixing mechanisms (4) are fixedly clamped on two sides of the outer bottom end of the fixing base (1), the fixing mechanisms (4) are used for supporting and fixing the fixing base (1) at a wellhead, each fixing mechanism (4) comprises a side support (401), a movable support arm (402), a sliding arm seat (403), a rotary screw rod (404), a driving motor (405), a support plate (406) and a buffer spring (407), the side support (401) is fixedly clamped on two sides of the outer bottom end of the fixing base (1), the middle part of the movable support arm (402) is rotatably installed inside the side support (401), the bottom end of one side of the outer wall of the sliding arm seat (403) is embedded in the outer wall of the movable support arm (402), the rotary screw rod (404) is embedded in the sliding arm seat (403) in a penetrating manner, the driving motor (405) is fixedly clamped and installed at the top of the rotary screw rod (404).
3. The pipe string shearing device for downhole operation and construction as claimed in claim 2, wherein the sliding arm seat (403) is engaged with the rotary screw rod (404) through a threaded rotary groove, the buffer spring (407) is sleeved and mounted at a position on one side of the rotary screw rod (404) close to the side support (401), the support plate (406) is fixedly clamped and mounted at one end of the movable support arm (402) far away from the sliding arm seat (403), and a rubber anti-slip gasket is attached to the surface of the outer wall of the support plate (406).
4. The pipe pole shearing device for downhole operation construction as claimed in claim 1, wherein the fixed pole shield (302) is rotatably connected with one side of the bottom of the hydraulic cylinder (301) through a connecting hinge (9), and the other side of the top of the fixed pole shield (302) is fixedly connected with the other side of the bottom of the hydraulic cylinder (301) through a fastening screw (10).
5. The pipe pole shearing device for underground operation construction is characterized by further comprising a reversing switch (6), wherein the reversing switch (6) is fixedly clamped and installed on one side of the outer portion of the hydraulic pump (2), the reversing switch (6) is connected with the shearing main cutter (303) in a penetrating mode through a hydraulic pipeline (8), and a pressure indicator (7) is installed on the other side of the outer portion of the hydraulic pump (2) in an embedded clamping mode.
6. The pipe string shearing device for the downhole operation of claim 1, the hoisting mechanisms (5) are fixedly clamped and installed on two sides of the outer wall of the fixed base (1), the hoisting mechanism (5) is used for hoisting the whole fixed base (1) at the wellhead, the hoisting mechanism (5) comprises a connecting clamping seat (501), a hoisting main cable (502), a hoisting support cable (503), a movable clamping seat (504), a fixed cable clamp (505) and a hoisting arm (506), the connecting clamping seat (501) is fixedly welded on two sides of the outer wall of the fixed base (1), the hoisting main cable (502) is in through clamping connection with the top of one connection clamping seat (501), the hoisting branch cable (503) is installed on the top of the other connecting clamping seat (501) in a penetrating and clamping way, the movable clamping seat (504) is movably sleeved and installed outside the hoisting main cable (502).
7. The pipe shearing device for the downhole operation construction as claimed in claim 6, wherein the fixing wire clamp (505) is fixedly clamped and installed at the bottom of the hoisting support cable (503), the hoisting support cable (503) is fixedly clamped and installed with the movable clamping seat (504), the hoisting arm (506) is fixedly installed at the top of the movable clamping seat (504), and the hoisting arm (506) is provided with a screw hole.
8. The pipe pole shearing device for downhole operation and construction as claimed in claim 1, wherein the outer wall surfaces of the fixed base (1), the hydraulic pump (2) and the fixed pole shield (302) are uniformly coated with a chromium carbide corrosion-resistant coating, and the maximum shearing pressure of the shearing main knife (303) is 35 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110531305.5A CN112943141B (en) | 2021-05-14 | 2021-05-14 | Pipe rod shearing device for underground operation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110531305.5A CN112943141B (en) | 2021-05-14 | 2021-05-14 | Pipe rod shearing device for underground operation construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112943141A true CN112943141A (en) | 2021-06-11 |
| CN112943141B CN112943141B (en) | 2021-07-20 |
Family
ID=76233901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110531305.5A Active CN112943141B (en) | 2021-05-14 | 2021-05-14 | Pipe rod shearing device for underground operation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112943141B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642993A (en) * | 2016-03-02 | 2016-06-08 | 安徽得高金属制品有限公司 | Hydraulic plate shearing machine |
| US9500059B1 (en) * | 2012-09-07 | 2016-11-22 | Geryl W. Taylor | Water pump pipe cut-off tool |
| CN106975782A (en) * | 2017-04-13 | 2017-07-25 | 河钢股份有限公司 | It is a kind of to improve shear precision and the bar shearing machine of adaptability |
| CN207033384U (en) * | 2017-06-09 | 2018-02-23 | 中国石油化工股份有限公司 | A kind of bar, cable base part hydraulic cutting device |
| CN209742826U (en) * | 2019-03-26 | 2019-12-06 | 同鸿文 | Cutter for sealing filler of polish rod of pumping well |
| CN210498536U (en) * | 2019-06-03 | 2020-05-12 | 山东安贝智能物流设备有限公司 | Efficient environment-friendly hydraulic plate shearing machine |
| CN211248515U (en) * | 2019-12-03 | 2020-08-14 | 张家港九润机械科技有限公司 | Novel hydraulic aluminum cutting machine |
| CN212384697U (en) * | 2020-06-18 | 2021-01-22 | 张瑞霞 | Edge cutting device for lithium battery production |
-
2021
- 2021-05-14 CN CN202110531305.5A patent/CN112943141B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9500059B1 (en) * | 2012-09-07 | 2016-11-22 | Geryl W. Taylor | Water pump pipe cut-off tool |
| CN105642993A (en) * | 2016-03-02 | 2016-06-08 | 安徽得高金属制品有限公司 | Hydraulic plate shearing machine |
| CN106975782A (en) * | 2017-04-13 | 2017-07-25 | 河钢股份有限公司 | It is a kind of to improve shear precision and the bar shearing machine of adaptability |
| CN207033384U (en) * | 2017-06-09 | 2018-02-23 | 中国石油化工股份有限公司 | A kind of bar, cable base part hydraulic cutting device |
| CN209742826U (en) * | 2019-03-26 | 2019-12-06 | 同鸿文 | Cutter for sealing filler of polish rod of pumping well |
| CN210498536U (en) * | 2019-06-03 | 2020-05-12 | 山东安贝智能物流设备有限公司 | Efficient environment-friendly hydraulic plate shearing machine |
| CN211248515U (en) * | 2019-12-03 | 2020-08-14 | 张家港九润机械科技有限公司 | Novel hydraulic aluminum cutting machine |
| CN212384697U (en) * | 2020-06-18 | 2021-01-22 | 张瑞霞 | Edge cutting device for lithium battery production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112943141B (en) | 2021-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8371790B2 (en) | Derrickless tubular servicing system and method | |
| CA2741693C (en) | Telescoping jack for a gripper assembly | |
| US7156170B2 (en) | Methods and apparatus for severing nested strings of tubulars | |
| US5785132A (en) | Backup tool and method for preventing rotation of a drill string | |
| US8419335B1 (en) | Pipe handling apparatus with stab frame stiffening | |
| GB2124680A (en) | Drilling of wells with top drive unit | |
| US20110259602A1 (en) | Christmas tree installation using coiled tubing injector | |
| MX2011004398A (en) | Header structure for a pipe handling apparatus. | |
| CN106744431A (en) | Oil exploitation well head quick locking steel wire rope multiple protector | |
| US20100047024A1 (en) | Riser tensioner restraint device | |
| CN109695427B (en) | Blowout prevention pipe vertical lifting system | |
| CN112943141B (en) | Pipe rod shearing device for underground operation construction | |
| US9038712B1 (en) | Tubular lifting apparatus | |
| US7644784B1 (en) | Transport watercraft | |
| CA1150234A (en) | Back-up power tongs and method | |
| CN2937462Y (en) | Blow-out preventer of cable cutting hand flashboard for well repair | |
| NO20101153A1 (en) | Crane assembly and method | |
| NO326191B1 (en) | Wellhead System | |
| US5653290A (en) | Rotating rod string position adjusting device | |
| CN201627591U (en) | Pillar with fine-adjustment device | |
| CN202109098U (en) | Electrical-logging overflow safety control cable hanger in oil-gas layer | |
| US20050252654A1 (en) | Casing alignment tool | |
| US9133669B1 (en) | System for removing a tubular | |
| CN107337110B (en) | Temporary simple lifting device for road construction | |
| CN202300297U (en) | Fixing base for blowout preventer group |
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 | ||
| CP02 | Change in the address of a patent holder |
Address after: 257000 Room 204, building 1, No. 23, Gangcheng Road, dongyinggang Economic Development Zone, Dongying City, Shandong Province Patentee after: Shandong Hepeng Technology Co., Ltd Address before: 257399 No.65 Guangkai Road, Guangrao Economic Development Zone, Guangrao County, Dongying City, Shandong Province Patentee before: Shandong Hepeng Technology Co., Ltd |
|
| CP02 | Change in the address of a patent holder |