CN115370307A - Coiled tubing operation device - Google Patents
Coiled tubing operation device Download PDFInfo
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- CN115370307A CN115370307A CN202211321895.XA CN202211321895A CN115370307A CN 115370307 A CN115370307 A CN 115370307A CN 202211321895 A CN202211321895 A CN 202211321895A CN 115370307 A CN115370307 A CN 115370307A
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- coiled tubing
- mounting
- calandria
- support
- unit
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
Abstract
The invention relates to the technical field of underground coal mine operation, in particular to a coiled tubing operation device. The embodiment of the invention provides a coiled tubing operation device, which comprises: the crawler chassis is arranged at the bottom of the mounting platform, and the roller unit and the traction device are sequentially arranged at the upper part of the mounting platform; the crawler chassis is used for driving the mounting platform removes, and is used for the rotation the mounting platform, the cylinder unit is used for installation and winding coiled tubing, the calandria device with the cylinder unit is connected, coiled tubing passes in proper order on the cylinder unit the calandria device with draw gear, the calandria device is used for following cylinder unit axial adjustment coiled tubing's position, draw gear is used for pressing from both sides tight coiled tubing and draws coiled tubing horizontal output. The embodiment of the invention provides a coiled tubing operation device which can be used for performing operation under a coal mine.
Description
Technical Field
The invention relates to the technical field of underground coal mine operation, in particular to a coiled tubing operation device.
Background
The coiled tubing operation device is suitable for various stages of well repair, well cementation, well drilling and oil extraction, is known as an universal operation machine, can replace a conventional tubing or a drill rod to carry out various operations, has the characteristics of operation under pressure and continuous lifting, and has small equipment volume, quick operation period and low cost.
The coiled tubing operation device has various advantages, so that the coiled tubing operation device has good application prospect under a coal mine. However, the underground space of the coal mine is small, the transportation is difficult, and the roller, the injection head and other equipment of the traditional coiled tubing operation device are independently matched for use, need a large space and are difficult to apply underground. In addition, traditional coiled tubing operation device is applied to the mine of vertical direction, and the colliery is the well drilling mostly along coal wall or cliff setting in the pit, and traditional coiled tubing operation device can't use.
Therefore, in order to overcome the defects, a coiled tubing operation device is urgently needed, and can be used for performing operation under a coal mine.
Disclosure of Invention
The embodiment of the invention provides a coiled tubing operation device which can be used for performing operation under a coal mine.
The embodiment of the invention provides a coiled tubing operation device, which comprises:
the crawler chassis is arranged at the bottom of the mounting platform, and the roller unit and the traction device are sequentially arranged at the upper part of the mounting platform;
the crawler chassis is used for driving the mounting platform moves and rotates the mounting platform, the roller unit is used for mounting and winding the coiled tubing, the pipe arranging device is connected with the roller unit, the coiled tubing sequentially penetrates through the pipe arranging device and the traction device on the roller unit, the pipe arranging device is used for being followed by the roller unit to axially adjust the position of the coiled tubing, and the traction device is used for clamping the coiled tubing and drawing the transverse output of the coiled tubing.
In one possible design, the crawler chassis comprises a walking device, a rotating disc and an actuating device, the walking device comprises two crawler structures and a support frame for connecting the two crawlers, the crawler structures comprise driving wheels, supporting wheels, guide wheels, supporting belt wheels and crawlers, the bottom of the rotating disc is fixedly connected with the support frame, and the upper portion of the rotating disc is rotatably connected with the mounting platform.
In a possible design, mounting platform includes main frame, connecting pin, first mounting panel, second mounting panel and connecting plate, the main frame forms for square steel pipe assembly welding, the main frame includes rectangular frame and is located two inside installation poles of rectangular frame, the connecting pin sets up installation pole place straight line on the main frame, the connecting pin is the coniform structure, and conical pinnacle is provided with the screw hole of caving in, the screw hole is used for connecting the cylinder unit, first mounting panel is fixed rectangular frame's long inboard, first mounting panel is used for fixed power device and hydraulic tank, power device is used for the drive the cylinder unit with the calandria device, hydraulic tank is used for the drive draw gear presss from both sides tight coiled tubing, the second mounting panel is fixed on the installation pole, the second mounting panel is used for connecting draw gear, the connecting plate sets up installation pole bottom, is used for connecting the carousel.
In a possible design, the cylinder unit is including installation base, barrel, first side-supporting, motor reducer, drive sprocket, second side-supporting, hollow semi-axis, rotary joint seat, high-pressure rotary joint, high-pressure manifold, pin bush, the installation base is provided with the pin bush, the pin bush be used for with the connecting pin is connected, the axial both ends of barrel are connected with speed reducer and hollow semi-axis respectively, the speed reducer with first side-supporting is connected, hollow semi-axis with second side-supporting is connected, first side-supporting with second side-supporting is fixed on the installation base, rotary joint seat one end penetrates hollow semi-axis with high-pressure manifold connects, the other end and the high-pressure rotary joint of rotary joint seat rotate to be connected, drive sprocket fixes in the pivot of barrel, through the chain with the calandria transmission.
In a possible design, the swivel joint seat comprises a detachable main pipe and a branch pipe, the main pipe penetrates and is fixed in the cylinder, the high-pressure manifold penetrates through the cylinder, one end of the high-pressure manifold is connected with the branch pipe, and the other end of the high-pressure manifold penetrates through the cylinder and is connected with the coiled tubing.
In a possible design, the calandria device includes calandria support, transmission system, torque limiter, two-way lead screw, forced-ventilated device, calandria dolly, guider, counting assembly, the calandria support is fixed on the installation base, transmission system's sprocket pass through the chain with drive sprocket connects, transmission system with two-way screw connection, the transmission system drive two-way lead screw rotates, so that the calandria dolly is followed two-way lead screw axial motion, forced-ventilated device is used for overcoming the transmission system drive the calandria dolly is followed two-way lead screw axial motion works as forced-ventilated device overcomes during transmission system drive calandria dolly, torque limiter disconnection transmission system with the transmission of calandria dolly is connected, guider sets up in the sleeve of calandria dolly, guider is hinge hasp structure, and inside is provided with the gyro wheel, and coiled tubing passes guider, compresses tightly the hasp messenger guider's gyro wheel compresses tightly coiled tubing, counting assembly includes the count wheel, the count wheel compresses tightly the coiled tubing, through count wheel pivoted number of turns calculates coiled tubing's movement distance.
In a possible design, guider is including installation axle and director, the installation axle install in the sleeve of calandria dolly, through the elasticity the sleeve of calandria dolly adjusts the height and the horizontal angle of installation axle, the director passes through the pivot connection installation axle upper end is in order to adjust through adjusting the axis round pin the angle of pitch of director.
In a possible design, draw gear is provided with the gooseneck, the gooseneck includes support frame, guide roller, pinch roller, the support frame is fixed draw gear is last, the support frame is including assembling the end and branching end, the branching end is along the horizontal direction fork, and coiled tubing passes through wear out by assembling the end behind the branching end adjustment direction, the leading wheel sets up perpendicularly in the support frame for the direction coiled tubing, pinch roller includes two horizontal gyro wheels that set up along vertical direction, upper portion the horizontal gyro wheel is connected with the tight hydro-cylinder of clamp, through the tight hydro-cylinder of clamp adjusts two distance between the horizontal gyro wheel is in order to compress tightly or release coiled tubing.
In a possible design, draw gear is including installing drive arrangement on the support shell, closing device, clamping device, the tight device that props, the support shell comprises 5 steel sheets, forms the open cuboid space of one side, clamping device includes closed chain, and installs holder on the closed chain, closing device passes through the pressure cylinder and fixes on the support shell, the built-in gyro wheel of closing device, through the pressure cylinder drive closing device's gyro wheel compresses tightly coiled tubing, the tight device that props is used for propping tight closed chain, so that the holder with closing device's gyro wheel presss from both sides tight coiled tubing, drive arrangement is used for rotating closed chain is in order to pull coiled tubing business turn over and go out the mine.
In a possible design, draw gear through draw the support mounting and be in on the second mounting panel, draw the support including back support, mechanical support, draw mount pad, hydraulic lifting device, the back supports the bottom and fixes on the second mounting panel, draw the one end of mount pad with back support top is articulated, the other end with hydraulic lifting device's one end is articulated, hydraulic lifting device's the other end articulates on mounting platform, through hydraulic lifting device adjusts the angle of pitch of drawing the mount pad, it is used for the installation to draw the mount pad draw gear, it is provided with mechanical spacing to draw the mount pad, and the spacer pin passes mechanical spacing, the both ends of spacer pin are fixed on the mounting hole of mechanical support, mechanical support is provided with a plurality of mounting holes, through with the spacer pin is fixed and is adjusted on the mounting hole of difference the height of spacer pin.
Compared with the prior art, the invention at least has the following beneficial effects:
in the embodiment, the bottom of the mounting platform is provided with the crawler chassis, and the crawler chassis can transport the roller unit and the traction device which are arranged on the fixed platform under a mine, so that the crawler chassis is flexible and mobile. The roller unit and the traction device are used for transversely outputting the continuous oil pipe, and can be applied to a transverse well of which a mine is arranged on a mine wall. The crawler chassis, the roller unit and the traction device are all integrated on the mounting platform, the structure is small and compact, and the crawler chassis, the roller unit and the traction device can adapt to narrow space in a coal mine. The pipe discharging device is installed on the roller unit, the continuous oil pipe wound on the roller unit penetrates through the pipe discharging device to enter the traction device, and the pipe discharging device is used for adjusting the output direction of the continuous oil pipe and adjusting the position of the continuous oil pipe along with the position change of the continuous oil pipe on the roller unit. The traction device clamps the coiled tubing output by the tubing unit and drives the coiled tubing to be discharged or retracted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a coiled tubing work apparatus provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a track chassis provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a mounting platform according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a roller unit according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of another roller unit according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a drum unit according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a pipe discharging device according to an embodiment of the present invention;
FIG. 8 is a schematic view of a gooseneck according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a traction device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a traction support according to an embodiment of the present invention.
In the figure:
100-crawler chassis;
101-a running gear;
102-a turntable;
103-a launch device;
200-mounting a platform;
201-a main frame;
202-connecting pins;
203-a first mounting plate;
204-a second mounting plate;
205-connecting plate;
300-a drum unit;
301-mounting a base;
302-a barrel;
303-first side support;
304-a motor reducer;
305-a drive sprocket;
306-a second side support;
307-hollow half shaft;
308-a rotary joint seat;
309-high pressure swivel;
310-high pressure manifold;
311-pin sleeves;
400-pipe arrangement;
401-rack pipe support;
402-a transmission system;
403-torque limiter;
404-bidirectional screw;
405-forced exhausting device;
406-calandria cart;
407-a guide;
408-a counting device;
500-a power plant;
600-gooseneck;
601-support frame
602-guide rollers;
603-pressing rollers;
700-a traction device;
701-a driving device;
702-a compacting device;
703-a clamping device;
704-tightening means;
705-support shell;
800-a traction support;
801-rear support;
802-mechanical support;
803-traction mount;
804-Hydraulic lifting device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
In the description of the embodiments of the present invention, unless explicitly specified or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it should be understood that the terms "upper" and "lower" as used in the description of the embodiments of the present invention are used in the angle shown in the drawings, and should not be construed as limiting the embodiments of the present invention. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
As shown in fig. 1 to 10, an embodiment of the present invention provides a coiled tubing work apparatus, including:
a crawler chassis 100 disposed at the bottom of the installation platform 200, a drum unit 300 and a traction device 700 sequentially disposed at the upper portion of the installation platform 200;
the crawler chassis 100 is used for driving the mounting platform 200 to move and rotating the mounting platform 200, the roller unit 300 is used for mounting and winding a coiled tubing, the tube arranging device 400 is connected with the roller unit 300, the coiled tubing on the roller unit 300 sequentially passes through the tube arranging device 400 and the traction device 700, the tube arranging device 400 is used for axially adjusting the position of the coiled tubing along the roller unit 300, and the traction device 700 is used for clamping the coiled tubing and drawing the coiled tubing to transversely output.
In the embodiment, the crawler chassis 100 is installed at the bottom of the installation platform 200, and the crawler chassis 100 can transport the roller unit 300 and the traction device 700 installed on the fixed platform under a mine well, so that the crawler chassis is flexible and mobile. The roller unit 300 and the tractor 700 are used for transversely outputting a coiled tubing, and can be applied to a transverse well in which a mine shaft is arranged on a mine wall. The crawler chassis 100, the roller unit 300 and the traction device 700 are integrated on the mounting platform 200, the structure is small and compact, and the device can adapt to narrow space in a coal mine. The pipe discharging device 400 is installed on the drum unit 300, and the coiled tubing wound on the drum unit 300 passes through the pipe discharging device 400 to enter the traction device 700, and the pipe discharging device 400 is used for adjusting the output direction of the coiled tubing and adjusting the position of the coiled tubing according to the position change of the coiled tubing on the drum unit 300. The traction device 700 clamps the coiled tubing output by the tubing-discharging unit and drives the coiled tubing to be discharged or retracted.
In some embodiments of the present invention, the crawler chassis 100 includes a traveling device 101, a turntable 102 and a launching device 103, the traveling device 101 includes two crawler structures and a support frame 601 connecting the two crawlers, the crawler structures include a driving wheel, a thrust wheel, a guide wheel, a riding wheel and a crawler, the bottom of the turntable 102 is fixedly connected with the support frame 601, and the upper of the turntable 102 is rotatably connected with the mounting platform 200.
In this embodiment, running gear 101 contains two track structures and connects the support frame 601 of two tracks, two sides track structure chooses traditional "four-wheel one-band" structure for use, namely drive wheel, thrust wheel, the leading wheel, tow band wheel and track, the centre adopts support frame 601 to connect, the welding is on support frame 601 bottom carousel 102, carousel 102 upper portion and mounting platform 200 adopt bolted connection, install the gyration support in the middle of carousel 102 upper portion and the bottom, accessible hydraulic motor utilizes gear drive to drive carousel 102 to rotate, thereby it rotates thereupon to drive equipment on the mounting platform 200.
In some embodiments of the present invention, the mounting platform 200 includes a main frame 201, a connecting pin 202, a first mounting plate 203, a second mounting plate 204, and a connecting plate 205, the main frame 201 is formed by assembling and welding square steel pipes, the main frame 201 includes a rectangular frame and two mounting rods located inside the rectangular frame, the connecting pin 202 is disposed on the main frame 201 on a straight line where the mounting rods are located, the connecting pin 202 is a conical structure, a pointed top of the cone is provided with a recessed threaded hole for connecting with the roller unit 300, the first mounting plate 203 is fixed on a long inner side of the rectangular frame, the first mounting plate 203 is used for fixing a power device 500 and a hydraulic oil tank, the power device 500 is used for driving the roller unit 300 and the pipe discharge device 400, the hydraulic oil tank is used for driving the traction device 700 to clamp a coiled pipe, the second mounting plate 204 is fixed on the mounting rods, the second mounting plate 204 is used for connecting with the traction device 700, and the connecting plate 205 is disposed at the bottom of the mounting rods and used for connecting with the turntable 102.
In this embodiment, the bottom of the connecting pin 202 is provided with an extension rod, the extension rod is inserted into the main frame 201, and the extension rod is fixed to the upper and lower surfaces of the main frame 201 by welding.
In some embodiments of the present invention, the drum unit 300 includes a mounting base 301, a drum body 302, a first side support 303, a motor speed reducer 304, a driving sprocket 305, a second side support 306, a hollow half shaft 307, a rotary joint seat 308, a high-pressure rotary joint 309, a high-pressure manifold 310, and a pin bush 311, where the mounting base 301 is provided with a pin bush 311, the pin bush 311 is used for connecting with the connecting pin 202, two axial ends of the drum body 302 are respectively connected with the speed reducer and the hollow half shaft 307, the speed reducer is connected with the first side support 303, the hollow half shaft 307 is connected with the second side support 306, the first side support 303 and the second side support 306 are fixed on the mounting base 301, one end of the rotary joint seat 308 penetrates through the hollow half shaft 307 to be connected with the high-pressure manifold 310, the other end of the rotary joint seat 308 is rotatably connected with the high-pressure rotary joint 309, and the driving sprocket 305 is fixed on a rotating shaft of the drum body 302 and is in transmission with the pipe arranging device 400 through a chain.
In this embodiment, the high pressure fluid enters the rotary joint seat 308 through the high pressure rotary joint 309, then enters the high pressure manifold 310, and finally enters the coiled tubing through the high pressure manifold 310, so as to realize the operation under pressure.
In some embodiments of the present invention, the rotary joint base 308 includes a main pipe and a branch pipe, which are detachable, the main pipe penetrates and is fixed in the cylinder 302, the high pressure manifold 310 penetrates and is arranged in the cylinder 302, one end of the high pressure manifold 310 is connected with the branch pipe, and the other end penetrates the cylinder 302 and is connected with the coiled tubing.
In this embodiment, the main pipe and the branch pipe of the rotary joint seat 308 are communicated with each other, and in order to save space, the main pipe and the branch pipe are designed to be detachable structures, and are perpendicular to each other, so that space can be saved, and fluid in two different directions can be communicated.
In some embodiments of the present invention, the pipe racking device 400 includes a pipe racking support 401, a transmission system 402, a torque limiter 403, a bidirectional lead screw 404, a forced-discharging device 405, a pipe racking cart 406, a guiding device 407, and a counting device 408, the pipe racking support 401 is fixed on the mounting base 301, a sprocket of the transmission system 402 is connected with the driving sprocket 305 through a chain, the transmission system 402 is connected with the bidirectional lead screw 404, the transmission system 402 drives the bidirectional lead screw 404 to rotate, so that the pipe racking cart 406 moves axially along the bidirectional lead screw 404, the forced-discharging device 405 overcomes the transmission system 402 to drive the pipe racking cart 406, the torque limiter disconnects the transmission connection between the transmission system 402 and the pipe racking cart 406 when the forced-discharging device 405 drives the pipe racking cart 406 against the transmission system 402, the guiding device 407 is disposed in a sleeve of the pipe racking cart 406, the guiding device 403 is a hinge buckle structure, rollers are disposed inside, the coiled tubing passes through the guiding device 407, the rollers are compressed, the rollers of the guiding device 407 are compressed to compress the rollers of the guiding device 407, the counting device 408 includes a counting wheel compressing the coiled tubing, and the counting wheel compresses the coiled tubing, and the distance of the coiled tubing is calculated by the number of the counting wheel.
In this embodiment, a sprocket of the transmission system 402 is connected to the driving sprocket 305 by a chain, the cylinder 302 rotates to drive the bidirectional lead screw 404 to rotate through a conventional system, the bidirectional lead screw 404 rotates to drive the pipe discharging trolley 406 to reciprocate transversely to realize automatic pipe discharging, when the automatic pipe discharging cannot meet the pipe discharging requirement, the forced pipe discharging device 405 is used to drive the automatic pipe discharging device to move transversely, and at this time, the torque limiter 403 exceeds a set torque, and the transmission system 402 is disconnected, so that forced pipe discharging is realized. The transmission system 402 includes a sprocket and a chain to realize power transmission. The bidirectional screw 404 rotates to drive the slide block inside the calandria cart 406 to move transversely along the thread to drive the cart to move transversely. The guide device 407 is mounted in a sleeve of the pipe arranging trolley 406 and is adaptive to the height and the left and right positions of the coiled tubing, the guide device 407 is provided with a hinge hasp structure, rollers are arranged inside the hinge hasp structure, and after the coiled tubing passes through the guide device, the rollers on the upper portion are buckled and are tightly pressed by the hasp structure, so that the coiled tubing is ensured to pass through the inside of the guide device rollers. The counting device 408 uses the counting wheel to press the continuous oil pipe, rotates with the continuous oil pipe, and uses the chain transmission to drive the mechanical counter to rotate.
In some embodiments of the present invention, the guiding device 407 comprises a mounting shaft mounted in a bushing of the calandria cart 406, the height and horizontal angle of the mounting shaft being adjusted by tightening or loosening the bushing of the calandria cart 406, and a guide attached to the upper end of the mounting shaft by a pivot pin, the pitch angle of the guide being adjusted by adjusting the pivot pin.
In this embodiment, the height of the mounting shaft can be adjusted by loosening and tightening the sleeve of the gauntlet dolly 406, and the mounting shaft can be rotated, thereby changing the horizontal azimuth of the deflector on the mounting shaft, and adjusting the pitch angle of the deflector to adjust the pitch angle of the coiled tubing discharge.
In some embodiments of the present invention, the traction apparatus 700 is provided with a gooseneck 600, the gooseneck 600 includes a support frame 601, a guide roller 602, and a pinch roller 603, the support frame 601 is fixed on the traction apparatus 700, the support frame 601 includes a converging end and a diverging end, the diverging end diverges in a horizontal direction, the coiled tubing passes through the converging end after passing through the diverging end in an adjustment direction, the guide roller is vertically disposed in the support frame 601 for guiding the coiled tubing, the pinch roller 603 includes two horizontal rollers disposed in a vertical direction, the upper horizontal roller is connected with a clamping cylinder, and a distance between the two horizontal rollers is adjusted by the clamping cylinder to pinch or release the coiled tubing.
In this embodiment, the gooseneck 600 is in a bell mouth shape and is branched in the horizontal direction, the coiled tubing output by the pipe arrangement device 400 smoothly bends and enters the gooseneck 600 from the branched end, and is output through the converging end of the gooseneck 600, the coiled tubing at different horizontal positions smoothly bends and then is output from a fixed horizontal position, and the coiled tubing directly enters the traction device 700 matched with the coiled tubing in position after being output from the converging end.
In some embodiments of the present invention, the traction apparatus 700 includes a driving apparatus 701 mounted on a supporting shell 705, a pressing apparatus 702, a clamping apparatus 703 and a tightening apparatus 704, the supporting shell 705 is made of 5 steel plates and forms a rectangular parallelepiped space with one open side, the clamping apparatus 703 includes a closed chain and clamping members mounted on the closed chain, the pressing apparatus 702 is fixed on the supporting shell 705 through a pressing cylinder, the pressing apparatus 702 is provided with rollers, the rollers of the pressing apparatus 702 are driven to press the coiled tubing through the pressing cylinder, the tightening apparatus 704 is used for tightening the closed chain so that the clamping members and the rollers of the pressing apparatus 702 clamp the coiled tubing, and the driving apparatus 701 is used for rotating the closed chain to pull the coiled tubing into and out of the mine.
In this embodiment, the driving device 701 includes a driving motor, a brake, a speed reducer, a connecting axle, and a chain, and when the driving device is in operation, the motor rotates to drive the chain wheel to rotate through the brake and the speed reducer, so as to drive the chain to rotate.
In some embodiments of the present invention, the towing device 700 is mounted on the second mounting plate 204 through a towing bracket 800, the towing bracket 800 includes a rear support 801, a mechanical support 802, a towing mounting seat 803, and a hydraulic lifting device 804, the bottom of the rear support 801 is fixed on the second mounting plate 204, one end of the towing mounting seat 803 is hinged to the top of the rear support 801, the other end is hinged to one end of the hydraulic lifting device 804, the other end of the hydraulic lifting device 804 is hinged on the mounting platform 200, the pitch angle of the towing mounting seat 803 is adjusted through the hydraulic lifting device 804, the towing mounting seat 803 is used for mounting the towing device 700, the towing mounting seat 803 is provided with a mechanical limit, a limit pin passes through the mechanical limit, two ends of the limit pin are fixed on mounting holes of the mechanical support 802, the mechanical support 802 is provided with a plurality of mounting holes, and the height of the limit pin is adjusted by fixing the limit pin on different mounting holes.
In this embodiment, the hydraulic lifting device 804 includes a double-lug plate and a lifting cylinder, the double-lug plate is welded on the frame of the mounting platform 200 and hinged to the bottom of the lifting cylinder by a pin, and the upper portion of the lifting cylinder is hinged to the front double-lug plate of the traction mounting seat 803. When the traction device 700 is installed, firstly, the traction device 700 is fixedly connected with the traction installation base 803 through bolts, and the top of the rear support 801 is hinged with a double lug plate of the traction installation base 803 through two single lug plates through a pin shaft to support the tail of the traction device 700, so that a rotating shaft for the traction device 700 to swing up and down is formed. The hydraulic lifting device 804 utilizes the lifting cylinder to push the traction device 700 to swing up and down to adjust the outlet angle of the coiled tubing. After the coiled tubing reaches the appropriate angle, the tractor 700 is mechanically restrained by the mechanical support 802.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A coiled tubing work apparatus, comprising:
the crawler chassis (100) is arranged at the bottom of the mounting platform (200), and the roller unit (300) and the traction device (700) are sequentially arranged at the upper part of the mounting platform (200);
crawler chassis (100) are used for driving mounting platform (200) remove, and are used for the rotation mounting platform (200), cylinder unit (300) are used for installation and winding coiled tubing, calandria device (400) with cylinder unit (300) are connected, coiled tubing passes in proper order on cylinder unit (300) calandria device (400) with draw gear (700), calandria device (400) are used for following cylinder unit (300) axial adjustment coiled tubing's position, draw gear (700) are used for pressing from both sides tight coiled tubing and draw coiled tubing horizontal output.
2. Coiled tubing work apparatus according to claim 1, wherein the crawler chassis (100) comprises a running gear (101), a turntable (102) and a launch device (103), the running gear (101) comprises two crawler structures and a support frame (601) connecting the two crawlers, the crawler structures comprise a driving wheel, a thrust wheel, a guide wheel, a riding wheel and a crawler, the bottom of the turntable (102) is fixedly connected with the support frame (601), and the upper part of the turntable (102) is rotatably connected with the mounting platform (200).
3. The coiled tubing operation device according to claim 2, wherein the mounting platform (200) comprises a main frame (201), a connecting pin (202), a first mounting plate (203), a second mounting plate (204) and a connecting plate (205), the main frame (201) is formed by assembling and welding square steel tubes, the main frame (201) comprises a rectangular frame and two mounting rods located inside the rectangular frame, the connecting pin (202) is arranged on the main frame (201) on the straight line where the mounting rods are located, the connecting pin (202) is of a conical structure, the top of a cone is provided with an invaginated threaded hole, the threaded hole is used for connecting the roller unit (300), the first mounting plate (203) is fixed on the long inner side of the rectangular frame, the first mounting plate (203) is used for fixing a power device (500) and a hydraulic oil tank, the power device (500) is used for driving the roller unit (300) and the drain pipe device (400), the hydraulic oil tank is used for driving the traction device (700) to clamp the coiled tubing, the second mounting plate (204) is fixed on the mounting rod, the second mounting plate (204) is used for connecting the drain pipe (700) and is arranged on the bottom of the connecting plate (102).
4. The coiled tubing operation device according to claim 3, wherein the roller unit (300) comprises a mounting base (301), a roller body (302), a first side support (303), a motor speed reducer (304), a driving sprocket (305), a second side support (306), a hollow half shaft (307), a rotary joint seat (308), a high-pressure rotary joint (309), a high-pressure manifold (310) and a pin bush (311), the mounting base (301) is provided with the pin bush (311), the pin bush (311) is used for being connected with the connecting pin (202), two axial ends of the roller body (302) are respectively connected with the speed reducer and the hollow half shaft (307), the speed reducer is connected with the first side support (303), the hollow half shaft (307) is connected with the second side support (306), the first side support (303) and the second side support (306) are fixed on the mounting base (301), one end of the rotary joint seat (308) penetrates through the hollow half shaft (307) to be connected with the high-pressure manifold (310), the other end of the rotary joint seat (308) is connected with the driving sprocket (305), and the rotary joint (305) is rotatably fixed on the driving sprocket (400) through a rotating shaft.
5. Coiled tubing operation device according to claim 4, wherein the rotary joint seat (308) comprises a main pipe and a branch pipe which are detachable, the main pipe penetrates and is fixed on the cylinder body (302), the high pressure manifold (310) penetrates through the cylinder body (302), one end of the high pressure manifold (310) is connected with the branch pipe, and the other end of the high pressure manifold penetrates through the cylinder body (302) to be connected with the coiled tubing.
6. The coiled tubing work apparatus according to claim 5, wherein the calandria device (400) comprises a calandria bracket (401), a transmission system (402), a torque limiter (403), a bidirectional lead screw (404), a forced-ventilated device (405), a calandria cart (406), a guiding device (407), and a counting device (408), wherein the calandria bracket (401) is fixed on the mounting base (301), a sprocket of the transmission system (402) is connected with the driving sprocket (305) through a chain, the transmission system (402) is connected with the bidirectional lead screw (404), the transmission system (402) drives the bidirectional lead screw (404) to rotate so that the calandria cart (406) moves axially along the bidirectional lead screw (404), the forced-ventilated device (405) is used for driving the calandria cart (406) to move axially along the bidirectional lead screw (406) against the transmission system (402), the torque limiter (403) disconnects the transmission system (402) from the transmission system (406) when the forced-ventilated device (405) drives the calandria cart (406) against the transmission system (402), and the guiding device (407) is provided with a snap-in the calandria roller mechanism (406) and the guiding device (407) is provided inside the hinge structure, the coiled tubing penetrates through a guide device (407), a pressing buckle enables a roller of the guide device (407) to press the coiled tubing, the counting device (408) comprises a counting wheel, the counting wheel presses the coiled tubing, and the moving distance of the coiled tubing is calculated through the number of rotating turns of the counting wheel.
7. The coiled tubing unit according to claim 6, wherein the guiding device (407) comprises a mounting shaft and a guide, the mounting shaft is mounted in a sleeve of the calandria cart (406), the height and horizontal angle of the mounting shaft can be adjusted by tightening or loosening the sleeve of the calandria cart (406), the guide is connected to the upper end of the mounting shaft through a shaft pin, and the pitch angle of the guide can be adjusted by adjusting the shaft pin.
8. The coiled tubing operation device according to claim 7, wherein the traction device (700) is provided with a gooseneck (600), the gooseneck (600) comprises a support frame (601), guide rollers (602) and pinch rollers (603), the support frame (601) is fixed on the traction device (700), the support frame (601) comprises a converging end and a diverging end, the diverging end is branched along a horizontal direction, coiled tubing passes through the converging end after passing through the direction of adjustment of the diverging end, the guide wheels are vertically arranged in the support frame (601) and used for guiding the coiled tubing, the pinch rollers (603) comprise two horizontal rollers arranged along a vertical direction, the upper horizontal roller is connected with a clamping cylinder, and the distance between the two horizontal rollers is adjusted by the clamping cylinder to pinch or release the coiled tubing.
9. Coiled tubing work apparatus according to claim 8, wherein the tractor (700) comprises a drive unit (701) mounted on a support housing (705), a hold-down unit (702), a clamping unit (703), and a tensioning unit (704), the support housing (705) is made of 5 steel plates forming an open-faced cuboid space, the clamping unit (703) comprises a closed chain and a clamping member mounted on the closed chain, the hold-down unit (702) is fixed on the support housing (705) by a hold-down cylinder, the hold-down unit (702) has rollers built in, the rollers of the hold-down unit (702) are driven by the hold-down cylinder to compress coiled tubing, the tensioning unit (704) is used to tension the closed chain, so that the clamping member and the rollers of the hold-down unit (702) clamp coiled tubing, and the drive unit (701) is used to rotate the closed chain to pull coiled tubing in and out from the mine.
10. Coiled tubing work apparatus according to claim 9, wherein the tractor (700) is mounted on the second mounting plate (204) by a tractor support (800), the tractor support (800) comprises a rear support (801), a mechanical support (802), a tractor mount (803), and a hydraulic lifting device (804), the rear support (801) is fixed at the bottom on the second mounting plate (204), one end of the tractor mount (803) is hinged to the top of the rear support (801), the other end is hinged to one end of the hydraulic lifting device (804), the other end of the hydraulic lifting device (804) is hinged to the mounting platform (200), the pitch angle of the tractor mount (803) is adjusted by the hydraulic lifting device (804), the tractor mount (803) is used for mounting the tractor (700), the tractor mount (803) is provided with a mechanical stop, a stop pin passes through the mechanical stop pin, the two ends of the stop pin are fixed on mounting holes of the mechanical support (802), the mechanical support (802) is provided with a plurality of mounting holes, and the stop pin is fixed on the mounting holes at different heights.
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| CN202211321895.XA CN115370307B (en) | 2022-10-27 | 2022-10-27 | Coiled tubing operation device |
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| CN202211321895.XA CN115370307B (en) | 2022-10-27 | 2022-10-27 | Coiled tubing operation device |
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| CN115370307B (en) | 2023-01-31 |
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