CN113404446A - Self-balancing marching type well repair equipment - Google Patents
Self-balancing marching type well repair equipment Download PDFInfo
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- CN113404446A CN113404446A CN202110947106.2A CN202110947106A CN113404446A CN 113404446 A CN113404446 A CN 113404446A CN 202110947106 A CN202110947106 A CN 202110947106A CN 113404446 A CN113404446 A CN 113404446A
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- 230000008439 repair process Effects 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 32
- 241000282472 Canis lupus familiaris Species 0.000 description 12
- 238000009434 installation Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/008—Winding units, specially adapted for drilling operations
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of workover equipment, in particular to self-balancing stepping workover equipment which comprises a base, fixing seats, a support, a servo motor, a wire spool, a mounting frame, a fixed pulley, a steel wire rope, a clamping mechanism and a propelling mechanism, wherein the support is connected to the right side of the top of the base, a through hole is formed in the lower portion of the base, the two fixing seats are symmetrically connected to the front side and the rear side of the left side of the top of the base, the wire spool is connected between the upper portions of the two fixing seats, the servo motor is installed on the fixing seat on the rear side, an output shaft of the servo motor is connected with a rotating shaft on the wire spool, the mounting frame is connected to the left side of the top of the base and is located on the left side of the wire spool, the fixed pulley is rotatably connected to the upper portion of the mounting frame, the clamping mechanism is placed on the support, and the steel wire rope is wound on the wire spool. The trip can catch on the tool joint on the drilling rod, and drilling rod downstream when wire rope was given out promotes the wheel and hugs closely the back rotation with the drilling rod and can push the drilling rod in the barefoot well, can prevent that the drilling rod from being blocked by the earth in the barefoot well.
Description
Technical Field
The invention relates to the technical field of workover equipment, in particular to self-balancing stepping workover equipment.
Background
The operation of petroleum drilling and follow-up oil well maintenance is commonly called workover operation, once oil gas is displayed during drilling, the drilling needs to be stopped immediately and a special testing instrument needs to be put into the open hole, a drill rod is used as a channel for the oil gas to flow out of the ground, the testing is carried out in the open hole midway during drilling, as the drill rod has certain weight, the drill rod needs to be matched by a plurality of people when being put into the open hole, in order to save labor and facilitate the putting of the drill rod into the open hole, the drill rod is hoisted by a hoist and then put into the open hole, but the hoist cannot push the drill rod to move downwards to enter the open hole, the drill rod only moves downwards to enter the open hole by the gravity of the hoist, and if the drill rod touches the soil in the open hole, the drill rod is easy to be blocked.
Disclosure of Invention
The invention aims to provide self-balancing stepping well repairing equipment capable of automatically pushing a drill rod into an open hole.
The application provides self-balancing stepping well repairing equipment which comprises a base, a fixed seat, a support, a servo motor and a wire spool, the wire rope winding machine comprises a mounting frame, a fixed pulley, a wire rope, a clamping mechanism and a propelling mechanism, wherein the right side of the top of the base is connected with a support, the lower part of the base is provided with an opening, the left side of the top of the base is symmetrically connected with two fixing seats in front and back, a wire spool is connected between the upper parts of the two fixing seats in a rotating manner through a rotating shaft, a servo motor is installed on the fixing seat at the rear side, an output shaft of the servo motor is connected with the rotating shaft on the wire spool, the left side of the top of the base is connected with the mounting frame, the mounting frame is positioned on the left side of the wire spool, the upper part of the mounting frame is connected with the fixed pulley in a rotating manner through the rotating shaft, the clamping mechanism is placed on the support, the wire rope is wound on the wire spool, the wire rope is connected with a part of the clamping mechanism by winding the fixed pulley, and the inner wall of the left side of the base is connected with the propelling mechanism;
the clamping mechanism comprises a first connecting block, a clamping hook, a U-shaped block, arc-shaped clamping sleeves, a first torsional spring, a bolt, a second connecting block, fixing blocks, a contact block and a shaft seat, wherein two arc-shaped clamping sleeves are placed on a support and are symmetrical front and back, the arc-shaped clamping sleeves are used for placing a drill rod, the outer surfaces of the two arc-shaped clamping sleeves are respectively and vertically symmetrically connected with the two fixing blocks, the four fixing blocks are respectively connected with a second connecting block through the bolt, the second connecting block can be detached from the fixing blocks, the clamping hooks are rotatably connected between the two corresponding upper and lower second connecting blocks through rotating shafts, the two clamping hooks are symmetrical, two first torsional springs are respectively sleeved on the rotating shafts of the two clamping hooks, one end of each first torsional spring is connected with the second connecting block, the other end of each first torsional spring is connected with the clamping hook, the inner side surfaces of the two clamping hooks are respectively connected, the left sides of the two clamping hooks are rotatably connected with an axle seat through a rotating shaft, the two axle seats are symmetrical, a first connecting block is rotatably connected between shaft levers of the two axle seats, the left side of the first connecting block is connected with a U-shaped block, and a steel wire rope is connected with the U-shaped block;
advancing mechanism is including the mount, the swinging boom, the carriage, step motor, first axis of rotation, promote the wheel, the belt pulley, flat belt and support, the middle part of base left side inner wall is connected with the mount, mount top rear side is connected with the support, the side is opened on the support right side has the arc spout, arc spout inward sliding type on the support is connected with the carriage, the carriage in-connection has step motor, the upper right side of support is connected with the swinging boom through the pivot rotary type, the equal rotary type in upper and lower both sides of swinging boom is connected with first axis of rotation, the first axis of rotation of downside and step motor's output shaft, two first axis of rotation middle parts all are connected with one and promote the wheel, the front side of two first axis of rotation all is connected with a belt pulley, the cover has flat belt between two belt pulleys.
Preferably, the lifting device further comprises a righting mechanism, the righting mechanism is connected to the left side of the top of the base, the righting mechanism comprises a supporting seat, a hydraulic cylinder, a third connecting block, a sliding rail, a shear type extending frame, limiting plates, second rotating shafts, supporting blocks, a T-shaped pushing block and a movable rod, the supporting seat is connected to the left side of the top of the base, the supporting seat is located on the left side of the mounting frame, the hydraulic cylinder is connected to the left side of the top of the supporting seat, the sliding rail is connected to the left side of the hydraulic cylinder, the two second rotating shafts are rotatably connected to the left side of the upper portion of the supporting seat and are symmetrical front and back, the shear type extending frame is connected between the two second rotating shafts, the upper portion of the left side of the shear type extending frame is slidably connected with the sliding rail through the sliding rod, the third connecting block is sleeved on the sliding rod at the upper portion of the left portion of the shear type extending frame, the third connecting block is connected with a telescopic rod of the hydraulic cylinder, and the two limiting plates are symmetrically connected front and back at the left side of the top of the supporting seat, the upper portions of the right side faces of the two limiting plates are connected with a movable rod in a sliding mode through guide rods, a supporting block is connected between the right ends of the two movable rods, a sliding groove is formed in the left side face of the supporting block, the upper portion and the lower portion of the right side of the shear type extending frame are sleeved with a T-shaped pushing block through shaft rods, and the two T-shaped pushing blocks are connected with the sliding groove in the supporting block in a sliding mode.
Preferably, still including advancing auxiliary mechanism, base left side inner wall connection has advancing auxiliary mechanism, it is including first rack bar to advance auxiliary mechanism, the third axis of rotation, the rotating turret, the rotation wheel, first return spring, first gear and first mounting panel, the upper portion of base left side inner wall is connected with first mounting panel, the rotary type is connected with the third axis of rotation between first mounting panel and the mount, the last lower part of third axis of rotation all is connected with a rotating turret, all overlap one through the axostylus axostyle on two rotating turrets and have a rotation wheel, overlap on the axostylus axostyle of rotating turret and have first return spring, first return spring one end and rotating turret contact, the first return spring other end and rotation wheel contact, the tray trailing flank is connected with first rack bar, third axis of rotation upper end is connected with first gear through one-way clutch, first gear and first rack bar meshing.
Preferably, the device also comprises a switching mechanism, the bracket is connected with the switching mechanism, the switching mechanism comprises a draw bar, a tension spring, a second rack bar, a second gear, a draw bar, a second return spring, a second torsion spring, a limiting block and a bulge, the lower part of the swing frame is provided with a straight hole, the front side of the bracket is connected with the draw bar in a sliding way through a guide rod, the draw bar is connected with the straight hole at the lower part of the swing frame in a sliding way through a slide rod, the tension spring is connected between the front part of the bracket and the front part of the draw bar through a hook, the upper part of the rear side of the bracket is provided with a straight groove, the second rack bar is connected in a sliding way in the straight groove of the bracket, the left side of the bottom of the second rack bar is connected with the limiting block, the bulge is contacted with the limiting block, the left part of the bracket is connected with the draw bar, the right end of the draw bar is connected with the left side of the limiting block, the second return spring is sleeved on the draw bar, one end of the second return spring is connected with the bracket, the other end of the second return spring is connected with the limiting block, the middle of the third rotating shaft is connected with a second gear through a one-way clutch, the second rack rod can be meshed with the second gear when moving, a second torsion spring is sleeved on a rotating shaft of the swing frame, one end of the second torsion spring is connected with the swing frame, and the other end of the second torsion spring is connected with the support.
Preferably, still including the screens mechanism, be connected with the screens mechanism on the tray, screens mechanism is including the mount pad, dog and third torsional spring, and both sides inner wall all is connected with the mount pad around the tray, and two mount pad symmetries all are connected with the dog through the pivot rotary type on two mount pads, and two dog symmetries, two dog contact with two mount pads respectively, all overlap in the pivot of two dogs and have two third torsional springs, and third torsional spring one end is connected with the mount pad, and the third torsional spring other end is connected with the dog.
Preferably, still including fixed establishment, base left side inner wall connection has fixed establishment, fixed establishment is including the installation pole, the rocking disc, two-way screw, the arc cutting ferrule, second mounting panel and cross movable block, the sub-unit connection of base left side inner wall has the installation pole, the left and right sides of installation pole all is connected with the second mounting panel, the rotary type is connected with two-way screw between the rear portion of two second mounting panels, the screw thread of both sides is opposite on the two-way screw, both sides on the two-way screw all are connected with the cross movable block through threaded connection's mode, the cross movable block is connected with installation pole slidingtype, the upper and lower both sides of two cross movable block medial surfaces all are connected with the arc cutting ferrule, the two-way screw left end is connected with the rocking disc.
Preferably, promote wheel and rotation wheel and be the rubber material, promotion drilling rod that can be better removes.
Compared with the prior art, the invention has the following advantages:
1. the trip can catch on the drilling rod joint on the drilling rod, servo motor makes the wire reel rotate and can withdraws wire rope, wire rope is withdrawed and can stimulate trip upward movement and hoist the drilling rod, hug closely with the impeller after the drilling rod is hoisted, servo motor makes wire reel reverse rotation can emit wire rope, drilling rod downstream when wire rope is emitted, impeller rotates after hugging closely with the drilling rod and can push the drilling rod in the bore hole, can prevent that the drilling rod from being blocked by the earth in the bore hole.
2. The steel wire rope is withdrawn, the clamping hook can be pulled to move upwards to draw the drill rod out of the open hole, the pushing wheel and the drill rod are tightly attached and then rotate reversely to push the drill rod to move upwards, and therefore the steel wire rope can be assisted to draw the drill rod out of the open hole.
3. The T-shaped push block is pushed to move rightwards when the scissor type extension frame is unfolded, the T-shaped push block moves rightwards to push the support block to move rightwards, the support block can support a drill rod after moving rightwards, the drill rod is prevented from shaking randomly, the T-shaped push block is driven to move leftwards when the scissor type extension frame is folded, the T-shaped push block moves leftwards to pull the support block to move leftwards, and the support block always supports the drill rod to right the drill rod when moving leftwards.
4. The rotating wheel is tightly attached to the outer wall of the drill rod after rotating in the reverse direction, and the rotating wheel is located on the right side of the pushing wheel after rotating in the reverse direction and aligned with the pushing wheel, so that when the pushing wheel pushes the drill rod to move downwards and upwards, the rotating wheel rotates along with the drill rod to assist the drill rod to move.
5. After the arc-shaped clamping sleeve moves towards the direction close to the drill rod, the drill rod in the open hole well can be clamped and fixed, and therefore the two drill rods can be connected together conveniently.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a of the present invention.
Fig. 4 is a schematic perspective view of a first clamping mechanism according to the present invention.
Fig. 5 is a schematic perspective view of a second clamping mechanism according to the present invention.
Fig. 6 is a schematic perspective view of a first propulsion mechanism according to the present invention.
Fig. 7 is a schematic perspective view of a second propulsion mechanism according to the present invention.
Fig. 8 is a schematic perspective view of the centering mechanism of the present invention.
Fig. 9 is a schematic perspective view of a part of the righting mechanism of the present invention.
Fig. 10 is a schematic perspective view of a first propulsion assist mechanism according to the present invention.
Fig. 11 is a schematic perspective view of a second propulsion assist mechanism according to the present invention.
Fig. 12 is a schematic perspective view of the switching mechanism of the present invention.
Fig. 13 is a schematic perspective view of a part of the switching mechanism of the present invention.
Fig. 14 is a schematic perspective view of the locking mechanism of the present invention.
Fig. 15 is a schematic perspective view of the fixing mechanism of the present invention.
The labels in the figures are: 1-base, 2-fixed base, 21-support, 22-through hole, 3-servo motor, 4-wire reel, 5-mounting rack, 6-fixed pulley, 7-clamping mechanism, 70-steel wire rope, 71-first connecting block, 72-clamping hook, 73-U-shaped block, 74-arc jacket, 75-first torsion spring, 76-bolt, 77-second connecting block, 78-fixed block, 79-contact block, 710-shaft seat, 8-propulsion mechanism, 80-fixed rack, 81-swinging rack, 82-sliding rack, 83-stepping motor, 84-first rotating shaft, 85-propulsion wheel, 86-belt pulley, 87-flat belt, 88-support, 9-righting mechanism, 90-support seat, 91-hydraulic cylinder, 92-third connecting block, 93-sliding rail, 94-scissor type extending frame, 95-limit plate, 96-second rotating shaft, 97-supporting block, 98-T type pushing block, 99-movable rod, 10-propelling auxiliary mechanism, 100-first rack bar, 101-third rotating shaft, 102-rotating frame, 103-rotating wheel, 104-first return spring, 105-first gear, 106-first mounting plate, 11-switching mechanism, 110-traction rod, 111-tension spring, 112-second rack bar, 113-second gear, 114-pull rod, 115-second return spring, 116-second torsion spring, 117-limiting block, 118-bulge, 12-clamping mechanism, 120-mounting seat, 121-stop block, 122-a third torsion spring, 13-a fixing mechanism, 130-a mounting rod, 131-a rocking disc, 132-a bidirectional screw rod, 133-an arc-shaped clamping sleeve, 134-a second mounting plate and 135-a cross movable block.
Detailed Description
The invention is further described below with reference to the figures and examples.
Referring to fig. 1-15, the present application provides a self-balancing step-by-step well repairing apparatus, which comprises a base 1, fixing seats 2, a support 21, a servo motor 3, a wire reel 4, a mounting rack 5, a fixed pulley 6, a wire rope 70, a clamping mechanism 7 and a propulsion mechanism 8, wherein the right side of the top of the base 1 is connected with the support 21, the lower part of the base 1 is provided with a through opening 22, the left side of the top of the base 1 is symmetrically connected with the two fixing seats 2, the upper parts of the two fixing seats 2 are connected with the wire reel 4 through a rotating shaft, the servo motor 3 is installed on the fixing seat 2 at the rear side, an output shaft of the servo motor 3 is connected with a rotating shaft on the wire reel 4, the left side of the top of the base 1 is connected with the mounting rack 5 through a screw connection mode, the mounting rack 5 is located at the left side of the wire reel 4, the upper part of the mounting rack 5 is connected with the fixed pulley 6 through a rotating shaft, the clamping mechanism 7 is placed on the support 21, the clamping mechanism 7 is used for clamping a drill rod, a steel wire rope 70 is wound on the wire spool 4, the steel wire rope 70 is connected with parts of the clamping mechanism 7 by winding the fixed pulley 6, the steel wire rope 70 is used for controlling the clamping mechanism 7 to ascend and descend so as to place the drill rod into an open hole, the inner wall of the left side of the base 1 is connected with the propelling mechanism 8, and the propelling mechanism 8 is used for propelling the drill rod into the open hole.
When a drill rod is to be placed in an open hole, the equipment is placed at the open hole, the through hole 22 is aligned with the open hole, the drill rod is placed on the support 21, a drill rod joint on the drill rod is moved into the clamping mechanism 7, the clamping mechanism 7 can clamp the drill rod joint on the drill rod, the servo motor 3 is started to enable the wire winding disc 4 to rotate to withdraw the steel wire rope 70, the steel wire rope 70 is withdrawn to pull the clamping mechanism 7 to move upwards, the clamping mechanism 7 moves upwards to drive the drill rod to move upwards, after the drill rod moves upwards to be separated from the support 21, the servo motor 3 is controlled to stop working, the drill rod is manually centered to enable the drill rod to be aligned with the through hole 22, parts of the propelling mechanism 8 are contacted with the outer wall of the drill rod, then the servo motor 3 is controlled to enable the wire winding disc 4 to rotate reversely to release the steel wire rope 70, and the clamping mechanism 7 and the drill rod move downwards along with the drill rod under the action of gravity, at the moment, the pushing mechanism 8 is started, the pushing mechanism 8 can push the drill rod to move downwards to enter the open hole, and after the drill rod joint at the upper part of the drill rod moves downwards to be close to the through hole 22, the servo motor 3 and the pushing mechanism 8 are controlled to stop working, and the drill rod stops moving downwards. And then manually loosening the drill rod by the clamping mechanism 7, putting the clamping mechanism 7 back on the support 21, repeating the operation to lift the next drill rod, enabling the next drill rod to be attached to the drill rod in the open hole, rotating the drill rod on the upper side to enable drill rod joints on the two drill rods to be connected together through threads on the joint part, repeating the operation to enable the drill rods to continuously move downwards to enter the open hole, and repeatedly pushing a plurality of drill rods into the open hole. When the drill rod in the open hole well needs to be pulled out, the clamping mechanism 7 is enabled to clamp a drill rod joint on the drill rod, then the servo motor 3 is started to enable the wire spool 4 to rotate to withdraw the steel wire rope 70, the clamping mechanism 7 is pulled to move upwards when the steel wire rope 70 is withdrawn, the clamping mechanism 7 moves upwards to be capable of pulling out the drill rod in the open hole well, and finally the drill rod is taken down.
The clamping mechanism 7 comprises a first connecting block 71, clamping hooks 72, a U-shaped block 73, arc-shaped clamping sleeves 74, first torsion springs 75, bolts 76, second connecting blocks 77, fixing blocks 78, contact blocks 79 and a shaft seat 710, two arc-shaped clamping sleeves 74 are placed on the support 21, the two arc-shaped clamping sleeves 74 are symmetrical front and back, the arc-shaped clamping sleeves 74 are used for placing drill rods, the two fixing blocks 78 are symmetrically connected to the outer surfaces of the two arc-shaped clamping sleeves 74 up and down, the four fixing blocks 78 are connected with one second connecting block 77 through the bolts 76, the second connecting block 77 can be detached from the fixing blocks 78, the clamping hooks 72 are rotatably connected between the two corresponding second connecting blocks 77 up and down through rotating shafts, the two clamping hooks 72 are symmetrical, the clamping hooks 72 are used for hooking drill rod joints on the drill rods, the two first torsion springs 75 are sleeved on the rotating shafts of the two clamping hooks 72, one end of each first torsion spring, the other end of the first torsion spring 75 is connected with the hook 72, the inner side surfaces of the two hooks 72 are connected with contact blocks 79, the two contact blocks 79 are symmetrical, the two contact blocks 79 are located on the left sides of the two arc-shaped clamping sleeves 74 respectively, the left sides of the two hooks 72 are connected with shaft seats 710 in a rotating mode through rotating shafts, the two shaft seats 710 are symmetrical, a first connecting block 71 is connected between shaft rods of the two shaft seats 710 in a rotating mode, the left side of the first connecting block 71 is connected with a U-shaped block 73, and the steel wire rope 70 is connected with the U-shaped block 73.
After a drill rod is placed on the support 21, a drill rod joint on the drill rod is moved into the two arc-shaped jackets 74, when the drill rod joint on the drill rod is contacted with the contact blocks 79, the drill rod joint on the drill rod continuously moves to press the two contact blocks 79 to move in a direction away from the arc-shaped jackets 74, when the two contact blocks 79 move in a direction away from the arc-shaped jackets 74, the clamping hooks 72 can be rotated to hook the drill rod joint on the drill rod, and the first torsion springs 75 deform along with the rotation; when the steel wire rope 70 is retracted, the U-shaped block 73 can be pulled to move upwards, the U-shaped block 73 drives the first connecting block 71 to move upwards, the first connecting block 71 moves upwards to drive the shaft seat 710 to move upwards, the shaft seat 710 moves upwards to drive the clamping hook 72 to move upwards, the clamping hook 72 moves upwards to pull a drill rod joint on a drill rod to move upwards, and the drill rod moves upwards along with the clamping hook 72; when the cable 70 is paid out, the drill pipe moves downwards under the action of gravity, when the drill pipe joint on the drill pipe is to be released, the bolt 76 can be removed from the fixed block 78, then the second connecting block 77 is removed from the fixed block 78, and then the two hooks 72 are moved away from the arc-shaped jacket 74 to release the drill pipe joint on the drill pipe; when the next drill rod is to be hoisted, the arc-shaped clamping sleeve 74 is put back on the support 21, and then the second connecting block 77 is fixed on the fixing block 78 again by the bolt 76.
The propelling mechanism 8 comprises a fixed frame 80, a swing frame 81, a sliding frame 82, a stepping motor 83, a first rotating shaft 84, pushing wheels 85, belt pulleys 86, a flat belt 87 and a support 88, wherein the fixed frame 80 is connected to the middle of the inner wall of the left side of the base 1, the support 88 is connected to the rear side of the top of the fixed frame 80, an arc-shaped chute is formed in the upper right side of the support 88, the sliding frame 82 is connected to the arc-shaped chute in an inner sliding manner, the stepping motor 83 is connected to the sliding frame 82, the swing frame 81 is connected to the upper right side of the support 88 in a rotating manner through a rotating shaft, the first rotating shafts 84 are connected to the upper and lower sides of the swing frame 81 in a rotating manner, the first rotating shafts 84 on the lower side are connected with output shafts of the stepping motor 83, the pushing wheels 85 are connected to the middle, a flat belt 87 is fitted between the two pulleys 86.
After the drill rod is manually centered to align the drill rod to the through hole 22, the drill rod is tightly attached to the lower side pushing wheel 85, the stepping motor 83 is started to rotate the lower side first rotating shaft 84, the lower side first rotating shaft 84 rotates to drive the lower side belt pulley 86 to rotate, the lower side belt pulley 86 rotates to drive the flat belt 87 to rotate, the flat belt 87 rotates to drive the upper side belt pulley 86 to rotate, the upper side belt pulley 86 rotates to drive the upper side first rotating shaft 84 to rotate, the first rotating shaft 84 rotates to drive the pushing wheel 85 to rotate, the lower side pushing wheel 85 rotates to push the drill rod into the open hole well, after the lower side pushing wheel 85 works for a long time, the swing frame 81 is rotated to drive the lower side first rotating shaft 84 to swing the lower side pushing wheel 85 leftwards to separate from the drill rod, so that the upper side first rotating shaft 84 drives the upper side pushing wheel 85 to swing rightwards to contact with the outer wall of the drill rod, at the moment, the upper side pushing wheel 85 rotates to continue to push the drill rod into the open hole, in this way, it is possible to use the two pushing wheels 85 alternately, turning off the stepping motor 83 when it is not necessary to push in the drill rod. When the drill rod is drawn out from the open hole, the stepping motor 83 is started to enable the first rotating shaft 84 on the lower side to rotate reversely, the first rotating shaft 84 on the lower side rotates reversely to drive the belt pulley 86 on the lower side to rotate reversely, the belt pulley 86 on the lower side rotates reversely to drive the flat belt 87 to rotate reversely, the flat belt 87 rotates reversely to drive the belt pulley 86 on the upper side to rotate reversely, the belt pulley 86 on the upper side rotates reversely to drive the first rotating shaft 84 on the upper side to rotate reversely, and the first rotating shaft 84 rotates reversely to drive the pushing wheel 85 to rotate reversely; when the hook 72 drives the drill rod joint on the drill rod to move upwards to be close to the lower side pushing wheel 85, the swinging frame 81 is rotated to enable the first rotating shaft 84 on the lower side to drive the lower side pushing wheel 85 to swing leftwards, the lower side pushing wheel 85 swings leftwards and then does not block the hook 72 and the drill rod joint on the drill rod, when the hook 72 and the drill rod joint on the drill rod move upwards to the upper side of the lower side pushing wheel 85, the swinging frame 81 is rotated reversely to enable the first rotating shaft 84 on the lower side to drive the lower side pushing wheel 85 to swing rightwards and reset, the lower side pushing wheel 85 swings rightwards and resets and then is attached to the drill rod, so that the lower side pushing wheel 85 rotates reversely to push the drill rod to move upwards to move out of the open hole well, and after all the drill rods are pulled out of the open hole well, the stepping motor 83 is controlled to stop working.
The device also comprises a righting mechanism 9, the righting mechanism 9 is connected to the left side of the top of the base 1, the righting mechanism 9 is used for righting a drill rod, the righting mechanism 9 comprises a supporting seat 90, a hydraulic cylinder 91, a third connecting block 92, a sliding rail 93, a shear type extending frame 94, a limiting plate 95, a second rotating shaft 96, a supporting block 97, a T-shaped pushing block 98 and a movable rod 99, the supporting seat 90 is connected to the left side of the top of the base 1, the supporting seat 90 is located on the left side of the mounting frame 5, the hydraulic cylinder 91 is connected to the left side of the top of the supporting seat 90, the sliding rail 93 is located on the left side of the hydraulic cylinder 91, the two second rotating shafts 96 are rotatably connected to the left side of the upper portion of the supporting seat 90, the two second rotating shafts 96 are symmetrical front and back, the shear type extending frame 94 is connected between the two second rotating shafts 96, the upper portion of the shear type extending frame 94 is slidably connected to the sliding rail 93 through the sliding rod, the third connecting block 92 is sleeved on the upper portion of the sliding rod of the shear type extending frame 94, third connecting block 92 is connected with the telescopic link of pneumatic cylinder 91, the symmetry is connected with two limiting plates 95 around supporting seat 90 top left side, the right flank upper portion of two limiting plates 95 all has a movable rod 99 through guide bar sliding connection, all be connected with tray 97 between the right-hand member of two movable rods 99, tray 97 is used for righting the drilling rod, tray 97 left surface is opened there is the spout, the last lower part on formula extension frame 94 right side all has a T type ejector pad 98 through the axostylus axostyle cover, two T type ejector pads 98 all with the spout sliding connection on the tray 97.
When a drill rod is hoisted from the support 21, the telescopic rod of the hydraulic cylinder 91 is started to shorten, the telescopic rod of the hydraulic cylinder 91 shortens to enable the third connecting block 92 to move downwards, the third connecting block 92 moves downwards to enable the scissors type extending frame 94 to expand, the scissors type extending frame 94 pushes the T-shaped push block 98 to move rightwards when expanding, the T-shaped push block 98 moves rightwards to push the support block 97 to move rightwards, the support block 97 moves rightwards after moving rightwards to support the drill rod and prevent the drill rod from shaking randomly, the support block 97 supports the drill rod and then controls the telescopic rod of the hydraulic cylinder 91 to extend, the telescopic rod of the hydraulic cylinder 91 extends to enable the third connecting block 92 to move upwards, the third connecting block 92 moves upwards to enable the scissors type extending frame 94 to close, the scissors type extending frame 94 closes to drive the T-shaped push block 98 to move leftwards, the T-shaped push block 98 moves leftwards to pull the support block 97 to move leftwards, at the moment, the drill rod still moves upwards, the drill rod slowly swings straight due to self gravity, the tray 97 props the drilling rod when moving left always, so can right the drilling rod, make the drilling rod be in vertical state, make the drilling rod aim at opening 22 to need not artifical manual drilling rod of righting, can labour saving and time saving, after the tray 97 moves left and resets, control pneumatic cylinder 91 stop work.
The drilling rod pushing device further comprises a pushing auxiliary mechanism 10, the pushing auxiliary mechanism 10 is connected to the inner wall of the left side of the base 1, the pushing auxiliary mechanism 10 is used for assisting the pushing wheel 85 to push a drilling rod into an open hole, the pushing auxiliary mechanism 10 comprises a first rack bar 100, a third rotating shaft 101, a rotating frame 102, rotating wheels 103, a first return spring 104, a first gear 105 and a first mounting plate 106, the first mounting plate 106 is connected to the upper portion of the inner wall of the left side of the base 1, the third rotating shaft 101 is rotatably connected between the first mounting plate 106 and the fixing frame 80, the upper portion and the lower portion of the third rotating shaft 101 are respectively connected with the rotating frame 102, the two rotating frames 102 are respectively sleeved with one rotating wheel 103 through a shaft rod, the rotating wheels 103 are used for assisting the pushing wheel 85 to push the drilling rod into the open hole, the pushing wheels 85 and the rotating wheels 103 are both made of rubber materials and can better push the drilling rod to move, the first return spring 104 is sleeved on the shaft rod of the rotating frame 102, one end of a first return spring 104 is in contact with the rotating frame 102, the other end of the first return spring 104 is in contact with the rotating wheel 103, the rear side surface of the support block 97 is connected with a first rack bar 100, the upper end of the third rotating shaft 101 is connected with a first gear 105 through a one-way clutch, and the first gear 105 is meshed with the first rack bar 100.
The supporting block 97 drives the first rack bar 100 to move rightwards when moving rightwards, the first rack bar 100 drives the first gear 105 to rotate clockwise when moving rightwards, the third rotating shaft 101 cannot rotate clockwise due to the action of a one-way clutch at the upper end of the third rotating shaft 101, the supporting block 97 moves leftwards to drive the first rack bar 100 to move leftwards, the first rack bar 100 moves leftwards to drive the first gear 105 to rotate anticlockwise, the first gear 105 rotates anticlockwise to drive the third rotating shaft 101 to rotate anticlockwise, the third rotating shaft 101 rotates anticlockwise to drive the rotating frame 102 to rotate anticlockwise, the rotating frame 102 rotates anticlockwise to drive the rotating wheel 103 and the first return spring 104 to rotate anticlockwise around the third rotating shaft 101, the rotating wheel 103 rotates anticlockwise to cling to the outer wall of the drill rod, the first return spring 104 is compressed, the rotating wheel 103 rotates anticlockwise to be positioned at the right side of the pushing wheel 85 and aligned with the pushing wheel 85, therefore, when the push wheel 85 pushes the drill rod to move downwards and upwards, the rotating wheel 103 rotates along with the drill rod to assist the drill rod to move, when the rotating wheel 103 is not needed, the third rotating shaft 101 rotates clockwise to drive the rotating frame 102 to rotate clockwise, and the rotating frame 102 rotates clockwise to drive the rotating wheel 103 to rotate clockwise to reset.
The automatic transmission mechanism further comprises a switching mechanism 11, the bracket 88 is connected with the switching mechanism 11, the switching mechanism 11 is used for switching two pushing wheels 85 to be used alternately, the switching mechanism 11 comprises a traction rod 110, a tension spring 111, a second rack rod 112, a second gear 113, a pull rod 114, a second return spring 115, a second torsion spring 116, a limiting block 117 and a protrusion 118, a linear hole is formed in the lower portion of the swinging frame 81, the front side of the bracket 88 is connected with the traction rod 110 in a sliding mode through a guide rod, the traction rod 110 is connected with the linear hole in the lower portion of the swinging frame 81 in a sliding mode through a slide rod, the tension spring 111 is connected between the front portion of the bracket 88 and the front portion of the traction rod 110 through a hook, a linear groove is formed in the upper portion of the rear side of the bracket 88, the second rack rod 112 is connected in a sliding mode in the linear groove of the bracket 88, the left side of the bottom of the second rack rod 112 is connected with the limiting block 117, the left side of the top of the traction rod 110 is connected with the protrusion 118, and is in contact with the limiting block 117, the left part of the support 88 is connected with a pull rod 114 in a sliding manner, the right end of the pull rod 114 is connected with the left side face of a limiting block 117, a second return spring 115 is sleeved on the pull rod 114, one end of the second return spring 115 is connected with the support 88, the other end of the second return spring 115 is connected with the limiting block 117, the middle part of the third rotating shaft 101 is connected with a second gear 113 through a one-way clutch, the second rack rod 112 can be meshed with the second gear 113 when moving, a second torsion spring 116 is sleeved on a rotating shaft of the swing frame 81, one end of the second torsion spring 116 is connected with the swing frame 81, and the other end of the second torsion spring 116 is connected with the support 88.
As shown in fig. 12, when the stopper 117 presses the protrusion 118, the tension spring 111 is stretched, the pushing wheel 85 on the lower side contacts the drill rod, when the pushing wheel 85 on the upper side is to be switched to use, the pull rod 114 is pulled leftwards, the pull rod 114 is moved leftwards, the stopper 117 is moved leftwards, the second return spring 115 is compressed, the stopper 117 is moved leftwards without pressing the protrusion 118, the pull rod 110 can be moved leftwards under the action of the tension spring 111, the pull rod 110 is moved leftwards to pull the swing frame 81 to rotate, the second torsion spring 116 is compressed, the swing frame 81 rotates to make the first rotating shaft 84 on the lower side drive the pushing wheel 85 to swing leftwards to disengage from the drill rod, and make the first rotating shaft 84 on the upper side drive the pushing wheel 85 to swing rightwards to contact with the outer wall of the drill rod; at the moment, the rotating wheel 103 is contacted with the outer wall of the drill rod, the limiting block 117 moves leftwards to drive the second rack bar 112 to move leftwards, the second rack bar 112 moves leftwards to drive the second gear 113 to rotate anticlockwise, due to the action of the one-way clutch in the middle of the third rotating shaft 101, the third rotating shaft 101 cannot rotate anticlockwise, when one drill rod is pushed into the open hole and a next drill rod needs to be hoisted, the pull rod 114 is released, the limiting block 117 can move rightwards to reset under the action of the second return spring 115, the limiting block 117 moves rightwards to drive the rack bar to move rightwards, the second rack bar 112 moves rightwards to drive the second gear 113 to rotate clockwise, the second gear 113 rotates clockwise to drive the third rotating shaft 101 to rotate clockwise, the third rotating shaft 101 rotates clockwise to drive the rotating frame 102 to rotate clockwise, the rotating frame 102 rotates clockwise to drive the rotating wheel 103 to rotate clockwise to reset, the rotating wheel 103 rotates clockwise and does not block the next drill rod after being reset. The limiting block 117 moves the pushing boss 118 rightwards, the boss 118 rightwards moves to drive the traction rod 110 rightwards, the tension spring 111 is stretched, the traction rod 110 rightwards moves to enable the swinging frame 81 to reversely rotate, the second torsion spring 116 restores the original state, the swinging frame 81 reversely rotates to enable the lower first rotating shaft 84 to drive the lower pushing wheel 85 to swing rightwards to reset, the upper first rotating shaft 84 drives the right upper pushing wheel 85 to swing leftwards to reset, and therefore operation is more convenient and faster.
Still including screens mechanism 12, be connected with screens mechanism 12 on the tray 97, screens mechanism 12 is used for spacing to the drilling rod, screens mechanism 12 is including mount pad 120, dog 121 and third torsional spring 122, both sides inner wall all is connected with mount pad 120 around the tray 97, two mount pad 120 symmetries, all be connected with dog 121 through the pivot rotary type on two mount pads 120, two dog 121 symmetries, two dog 121 contact with two mount pads 120 respectively, all overlap in the pivot of two dog 121 and have two third torsional springs 122, third torsional spring 122 one end is connected with mount pad 120, the third torsional spring 122 other end is connected with dog 121.
When the support block 97 moves rightwards to support a drill rod, the mounting seat 120 moves rightwards to drive the stop block 121 to move rightwards, when the stop block 121 moves rightwards to be in contact with the drill rod, the stop block 121 continues to move rightwards and is extruded by the drill rod to rotate inwards, the third torsion spring 122 is compressed, when the stop block 121 is separated from the drill rod, the stop block 121 can be rotated and reset to be in contact with the mounting seat 120 under the action of the third torsion spring 122, after the stop block 121 is in contact with the mounting seat 120, the stop block 121 is supported by the mounting seat 120 and cannot continue to rotate outwards, and therefore the stop block 121 can limit the drill rod and prevent the drill rod from moving out of an opening on the right side of the support block 97.
Still including fixed establishment 13, base 1 left side inner wall connection has fixed establishment 13, fixed establishment 13 is used for the drilling rod in the fixed bore hole, fixed establishment 13 is including installation pole 130, shake the dish 131, two-way screw 132, arc cutting ferrule 133, second mounting panel 134 and cross movable block 135, the sub-unit connection of base 1 left side inner wall has installation pole 130, the left and right sides of installation pole 130 all is connected with second mounting panel 134, the rotary type is connected with two-way screw 132 between the rear portion of two second mounting panels 134, the screw thread of both sides is opposite on two-way screw 132, both sides on two-way screw 132 all are connected with cross movable block 135 through threaded connection's mode, cross movable block 135 and installation pole 130 sliding type are connected, the upper and lower both sides of two cross movable block 135 medial surfaces all are connected with arc cutting ferrule 133, two-way screw 132 left end is connected with shakes dish 131.
When the drill rod is to enter the open hole, the rocking disc 131 is rotated, the rocking disc 131 rotates to drive the two-way screw 132 to rotate, the two-way screw 132 rotates to enable the two cross-shaped movable blocks 135 to move in the direction away from the through hole 22, when a drill rod enters the open hole, the rocking disc 131 is rotated reversely, the rocking disc 131 rotates to drive the bidirectional screw 132 to rotate reversely, the bidirectional screw 132 rotates reversely to enable the two cross movable blocks 135 to drive the arc-shaped clamping sleeves 133 to move towards the direction close to the drill rod, the arc-shaped clamping sleeves 133 can clamp and fix the drill rod in the open hole after moving towards the direction close to the drill rod, thereby preventing the drill rod in the open hole from shaking when the drill rod on the upper side is rotated to connect the drill rod joints on the two drill rods together, and then can be convenient for link together two drilling rods, when will make arc cutting ferrule 133 loosen the drilling rod in the open hole, repeated above-mentioned operation can.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A self-balancing stepping well repairing device comprises a base (1), fixing seats (2), a support (21), a servo motor (3), a wire reel (4), a mounting frame (5), a fixed pulley (6) and a steel wire rope (70), and is characterized by further comprising a clamping mechanism (7) and a propelling mechanism (8), wherein the right side of the top of the base (1) is connected with the support (21), the lower part of the base (1) is provided with a through hole (22), the left side of the top of the base (1) is connected with the two fixing seats (2) in a front-back symmetrical manner, the wire reel (4) is connected between the upper parts of the two fixing seats (2) in a rotating manner through a rotating shaft, the servo motor (3) is installed on the fixing seat (2) at the rear side, an output shaft of the servo motor (3) is connected with the rotating shaft on the wire reel (4), the left side of the top of the base (1) is connected with the mounting frame (5), the mounting frame (5) is positioned at the left side of the wire reel (4), the upper part of the mounting rack (5) is rotatably connected with a fixed pulley (6) through a rotating shaft, a clamping mechanism (7) is placed on the support (21), a steel wire rope (70) is wound on the wire spool (4), the steel wire rope (70) is connected with a part of the clamping mechanism (7) by winding the fixed pulley (6), and the inner wall of the left side of the base (1) is connected with a propelling mechanism (8);
the clamping mechanism (7) comprises a first connecting block (71), a clamping hook (72), a U-shaped block (73), arc-shaped clamping sleeves (74), a first torsion spring (75), a bolt (76), a second connecting block (77), fixing blocks (78), contact blocks (79) and a shaft seat (710), wherein the two arc-shaped clamping sleeves (74) are placed on the support (21), the two arc-shaped clamping sleeves (74) are symmetrical front and back, the arc-shaped clamping sleeves (74) are used for placing a drill rod, the outer surfaces of the two arc-shaped clamping sleeves (74) are respectively and vertically symmetrically connected with the two fixing blocks (78), the four fixing blocks (78) are respectively connected with one second connecting block (77) through the bolt (76), the second connecting blocks (77) can be detached from the fixing blocks (78), the clamping hook (72) is respectively connected between the two vertically corresponding second connecting blocks (77) through a rotating shaft, the two clamping hooks (72) are symmetrical, two first torsion springs (75) are sleeved on rotating shafts of the two clamping hooks (72), one ends of the first torsion springs (75) are connected with the second connecting block (77), the other ends of the first torsion springs (75) are connected with the clamping hooks (72), inner side surfaces of the two clamping hooks (72) are connected with contact blocks (79), the two contact blocks (79) are symmetrical, the two contact blocks (79) are respectively positioned on the left sides of the two arc-shaped clamping sleeves (74), the left sides of the two clamping hooks (72) are respectively connected with an axle seat (710) in a rotating mode through the rotating shafts, the two axle seats (710) are symmetrical, a first connecting block (71) is rotatably connected between axle rods of the two axle seats (710), the left side of the first connecting block (71) is connected with a U-shaped block (73), and the steel wire rope (70) is connected with the U-shaped block (73);
the propelling mechanism (8) comprises a fixed frame (80), swing frames (81), sliding frames (82), stepping motors (83), first rotating shafts (84), pushing wheels (85), belt pulleys (86), flat belts (87) and supports (88), the fixed frame (80) is connected to the middle of the inner wall of the left side of the base (1), the supports (88) are connected to the rear side of the top of the fixed frame (80), arc-shaped sliding grooves are formed in the upper right side of each support (88), the sliding frames (82) are connected to the arc-shaped sliding grooves in a sliding mode on the supports (88), the stepping motors (83) are connected to the sliding frames (82), the swing frames (81) are connected to the upper right side of the supports (88) in a rotating mode through rotating shafts, the first rotating shafts (84) are connected to the upper side and the lower side of the swing frames (81) in a rotating mode, the first rotating shafts (84) on the lower side are connected with output shafts of the stepping motors (83), the pushing wheels (85) are connected to the middles of the two first rotating shafts (84), the front sides of the two first rotating shafts (84) are connected with a belt pulley (86), and a flat belt (87) is sleeved between the two belt pulleys (86).
2. The self-balancing stepping workover rig according to claim 1, further comprising a centering mechanism (9), wherein the centering mechanism (9) is connected to the left side of the top of the base (1), the centering mechanism (9) comprises a support seat (90), a hydraulic cylinder (91), a third connecting block (92), a slide rail (93), a scissor type extending frame (94), a limiting plate (95), a second rotating shaft (96), a support block (97), a T-shaped push block (98) and a movable rod (99), the support seat (90) is connected to the left side of the top of the base (1), the support seat (90) is located on the left side of the mounting frame (5), the hydraulic cylinder (91) is connected to the left side of the top of the support seat (90), the slide rail (93) is located on the left side of the hydraulic cylinder (91), two second rotating shafts (96) are rotatably connected to the left side of the upper portion of the support seat (90), two second axis of rotation (96) symmetry from front to back, be connected with between two second axis of rotation (96) and cut formula extension frame (94), it passes through slide bar and slide rail (93) sliding connection to cut formula extension frame (94) upper left portion, it has third connecting block (92) to cut the cover on the slide bar on the upper left portion of formula extension frame (94), third connecting block (92) are connected with the telescopic link of pneumatic cylinder (91), the symmetry is connected with two limiting plate (95) around supporting seat (90) top left side, the right flank upper portion of two limiting plate (95) all has a movable rod (99) through guide bar sliding connection, all be connected with tray (97) between the right-hand member of two movable rod (99), tray (97) left side is opened there is the spout, it has a T type ejector pad (98) all to cut the upper and lower part on formula extension frame (94) right side through axostylus axostyle cover, two T type ejector pad (98) all are connected with the spout sliding connection on tray (97).
3. The self-balancing stepping well workover rig according to claim 2, further comprising a propulsion assisting mechanism (10), the propulsion assisting mechanism (10) is connected to the inner wall of the left side of the base (1), the propulsion assisting mechanism (10) comprises a first rack bar (100), a third rotating shaft (101), rotating frames (102), rotating wheels (103), a first return spring (104), a first gear (105) and a first mounting plate (106), the first mounting plate (106) is connected to the upper portion of the inner wall of the left side of the base (1), the third rotating shaft (101) is rotatably connected between the first mounting plate (106) and the fixed frame (80), the rotating frames (102) are connected to the upper and lower portions of the third rotating shaft (101), one rotating wheel (103) is sleeved on each of the two rotating frames (102), the first return spring (104) is sleeved on the shaft rod of the rotating frame (102), one end of a first return spring (104) is in contact with the rotating frame (102), the other end of the first return spring (104) is in contact with the rotating wheel (103), the rear side face of the support block (97) is connected with a first rack rod (100), the upper end of a third rotating shaft (101) is connected with a first gear (105) through a one-way clutch, and the first gear (105) is meshed with the first rack rod (100).
4. The self-balancing stepping well repairing equipment according to claim 3, further comprising a switching mechanism (11), wherein the switching mechanism (11) is connected to the support (88), the switching mechanism (11) comprises a draw bar (110), a tension spring (111), a second rack bar (112), a second gear (113), a draw bar (114), a second return spring (115), a second torsion spring (116), a limiting block (117) and a protrusion (118), a slotted hole is formed in the lower portion of the swing frame (81), the draw bar (110) is connected to the front side of the support (88) in a sliding manner through the guide bar, the draw bar (110) is connected to the slotted hole in the lower portion of the swing frame (81) in a sliding manner through the slide bar, the tension spring (111) is connected to the front portion of the support (88) through a hook, a slotted groove is formed in the upper portion of the rear side of the support (88), the second rack bar (112) is connected to the slotted groove of the support (88) in a, the left side of the bottom of the second rack rod (112) is connected with a limiting block (117), the left side of the top of the traction rod (110) is connected with a protrusion (118), the protrusion (118) is in contact with the limiting block (117), the left part of the support (88) is connected with a pull rod (114) in a sliding mode, the right end of the pull rod (114) is connected with the left side face of the limiting block (117), a second return spring (115) is sleeved on the pull rod (114), one end of the second return spring (115) is connected with the support (88), the other end of the second return spring (115) is connected with the limiting block (117), the middle of the third rotating shaft (101) is connected with a second gear (113) through a one-way clutch, the second rack rod (112) can be meshed with the second gear (113) when moving, a second torsion spring (116) is sleeved on a rotating shaft of the swinging frame (81), one end of the second torsion spring (116) is connected with the swinging frame (81), and the other end of the second torsion spring (116) is connected with the support (88).
5. The self-balancing stepping well repairing device according to claim 4, further comprising a clamping mechanism (12), the clamping mechanism (12) is connected to the support block (97), the clamping mechanism (12) comprises mounting seats (120), stop blocks (121) and third torsion springs (122), the mounting seats (120) are connected to inner walls of front and rear sides of the support block (97), the two mounting seats (120) are symmetrical, the stop blocks (121) are rotatably connected to the two mounting seats (120) through rotating shafts, the two stop blocks (121) are symmetrical, the two stop blocks (121) are respectively in contact with the two mounting seats (120), the two third torsion springs (122) are sleeved on the rotating shafts of the two stop blocks (121), one end of each third torsion spring (122) is connected with the mounting seat (120), and the other end of each third torsion spring (122) is connected with the corresponding stop block (121).
6. The self-balancing stepping well workover rig according to claim 5, characterized in that, further comprises a fixing mechanism (13), the fixing mechanism (13) is connected to the inner wall of the left side of the base (1), the fixing mechanism (13) comprises a mounting rod (130), a rocking disc (131), a two-way screw (132), an arc-shaped cutting sleeve (133), a second mounting plate (134) and a cross-shaped movable block (135), the lower part of the inner wall of the left side of the base (1) is connected with the mounting rod (130), the left and right sides of the mounting rod (130) are connected with the second mounting plate (134), the two-way screw (132) is rotatably connected between the rear parts of the two second mounting plates (134), the threads on the two sides of the two-way screw (132) are opposite, the two sides of the two-way screw (132) are connected with the cross-shaped movable block (135) by means of threaded connection, the cross-shaped movable block (135) is slidably connected with the mounting rod (130), the upper side and the lower side of the inner side surfaces of the two cross-shaped movable blocks (135) are both connected with arc-shaped clamping sleeves (133), and the left end of the bidirectional screw (132) is connected with a rocking disc (131).
7. The self-balancing stepping workover rig according to claim 6, wherein the pushing wheel (85) and the rotating wheel (103) are made of rubber, so that a drill rod can be pushed to move better.
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| CN202110947106.2A CN113404446B (en) | 2021-08-18 | 2021-08-18 | Self-balancing marching type well repair equipment |
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| CN202110947106.2A CN113404446B (en) | 2021-08-18 | 2021-08-18 | Self-balancing marching type well repair equipment |
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| CN113404446B CN113404446B (en) | 2021-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118390973A (en) * | 2024-06-24 | 2024-07-26 | 胜利油田方圆修井作业有限公司 | Safety hoisting device for oilfield workover operation |
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| CN213654750U (en) * | 2020-11-22 | 2021-07-09 | 徐州捷图机械有限公司 | Power head structure for rotary drilling rig |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118390973A (en) * | 2024-06-24 | 2024-07-26 | 胜利油田方圆修井作业有限公司 | Safety hoisting device for oilfield workover operation |
| CN118390973B (en) * | 2024-06-24 | 2024-09-06 | 胜利油田方圆修井作业有限公司 | Safety hoisting device for oilfield workover operation |
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| CN113404446B (en) | 2021-12-07 |
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