CN116696254B - Double synchronous belt type steel pipe downhole pushing device - Google Patents
Double synchronous belt type steel pipe downhole pushing device Download PDFInfo
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- CN116696254B CN116696254B CN202310976045.1A CN202310976045A CN116696254B CN 116696254 B CN116696254 B CN 116696254B CN 202310976045 A CN202310976045 A CN 202310976045A CN 116696254 B CN116696254 B CN 116696254B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 69
- 239000010959 steel Substances 0.000 title claims abstract description 69
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000009977 dual effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 5
- 239000003129 oil well Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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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
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The application relates to the technical field of oil well cable pushing, in particular to a double synchronous belt type steel pipe downhole pushing device, which comprises two groups of driving belt wheel groups, wherein the driving belt wheel groups are respectively arranged on a mounting column through gear shafts, one gear shaft is connected with a driving motor, a meshing gear is arranged on the gear shaft, and a bidirectional screw rod is connected with a closing motor; the driving belt wheel set comprises a first belt wheel, a second belt wheel, a third belt wheel, a fourth belt wheel and a transmission belt, wherein a rotating plate is connected between the first belt wheel and the second belt wheel, the rotating plate is connected with a vertical plate through a limiting assembly, the rotating plate is connected with an elastic telescopic rod, the elastic telescopic rod is connected with the fourth belt wheel, the first belt wheel is connected with a driving shaft, and the driving shaft is connected with a clamping motor. The two driving belt wheel sets are driven by one driving motor, so that pushing actions of the two driving belt wheel sets are synchronous, meanwhile, the contact surface is changed from a point to a line, the pushing force is larger, and the pushing process is more stable.
Description
Technical Field
The application relates to the technical field of oil well cable pushing, in particular to a double synchronous belt type steel pipe well descending pushing device.
Background
In oil well exploitation work, detection and signal transmission are needed through a cable, and due to the fact that underground conditions are complex, a steel pipe is generally wrapped outside the cable, so that the purpose of protecting the cable is achieved. In the process of conveying the steel pipe cable, because the upward liquid pressure at the bottom of the well is high, a pushing device is needed to give enough downward driving force to the steel pipe cable.
The application patent of China with the application number of 201410535006.9 provides an oil well cable conveying device, a driving wheel is driven to rotate through a variable speed motor, the driving wheel drives a driven wheel to compress a cable to be conveyed underground, a telescopic device is arranged on the outer side of a shell and matched with an adjustable support on the driven wheel, guide grooves are formed in the two ends of a rotating shaft of the driven wheel in the shell, the driven wheel can move along the guide grooves to a direction close to the driving wheel through the pushing of the telescopic device, acting force applied to the cable by the driving wheel and the driven wheel is increased, and a conveying function of the cable is achieved.
However, the present inventors found that the prior art has at least the following problems:
the action wheel cooperates the driving mode from the driving wheel for cable area is less, and single round drive simultaneously, the drive power that the cable both sides received is unbalanced, leads to the cable to carry down unstably.
Disclosure of Invention
In view of the above, the application aims to provide a double synchronous belt type steel pipe downhole pushing device so as to solve the problem of unstable downward cable conveying.
Based on the above purpose, the application provides a double synchronous belt type steel pipe downhole pushing device, which comprises a shell, wherein an introduction hole for introducing a steel pipe is formed in the top of the shell, two groups of driving belt wheel groups for driving the steel pipe to move are installed in the shell, a mounting plate is installed in the shell, a bidirectional screw is installed on the mounting plate, two groups of mounting posts are adaptively connected with the bidirectional screw, the two groups of driving belt wheel groups are respectively installed on the mounting posts through gear shafts, one gear shaft is connected with a driving motor, a meshing gear is installed on the gear shaft, and the bidirectional screw is connected with a closing motor;
the driving pulley group comprises a first pulley, a second pulley, a third pulley, a fourth pulley and a transmission belt, a rotating plate is connected between the first pulley and the second pulley, a vertical plate is connected between the rotating plate and the third pulley, the rotating plate is connected with the vertical plate through a limiting component, the rotating plate is connected with an elastic telescopic rod, the elastic telescopic rod is connected with the fourth pulley, the first pulley is connected with a driving shaft, the driving shaft is connected with a clamping motor, the clamping motor is used for driving the two groups of driving pulley groups to rotate around the driving shaft so that the two groups of driving pulley groups clamp steel pipes, and a moving track part for keeping the third pulley to extrude the surfaces of the steel pipes is also arranged inside a shell.
Optionally, the restriction subassembly includes the axis of rotation, and axis of rotation one end is connected with the rotation board rotation, and the other end is connected with perpendicular board fixed, installs two telescopic pin on the perpendicular board, offered the pinhole with two telescopic pin looks adaptations on the rotation board, in two telescopic pin inserts the pinhole, restricts the relative rotation between rotation board and the perpendicular board.
Optionally, the movable track portion includes two sets of upper rail and the lower rail of fixed mounting on the casing lateral wall, has seted up T type groove on every set of upper rail and the lower rail respectively, and the T type groove of upper rail is relative with the T type groove of lower rail, and the adaptation is installed between two T type grooves and is moved the post, and two removal posts are located the third band pulley both sides respectively, have seted up vertical hole on the post, install the installation axle on the third band pulley, and the installation axle both ends pass vertical hole respectively for the restriction installation axle can only remove along vertical hole, the bottom in T type groove on the lower rail inlays the friction plate that can reciprocate.
Optionally, the casing internally mounted has the bottom plate, installs hydraulic ejector pin on the bottom plate, and hydraulic ejector pin top is connected with the friction plate.
Optionally, the part integrated into one piece of installation axle installation in vertical hole becomes the cubic column, and the restriction installation axle rotates in vertical hole, and two sets of limiting plates are installed respectively to the installation axle head, and two sets of limiting plates are located vertical hole both sides respectively.
Optionally, the movable column is internally provided with an air pressure cavity, a piston is arranged in the air pressure cavity, the piston is connected with a piston rod, and the end part of the piston rod is connected with an extrusion plate.
Optionally, the rotating plate is provided with a belt wheel seat, the second belt wheel is arranged on the belt wheel seat, the elastic telescopic rod is arranged on the belt wheel seat, the end part of the elastic telescopic rod is connected with an elastic mounting seat, and the fourth belt wheel is arranged on the elastic mounting seat.
Optionally, clamping motor externally mounted has motor protecting crust, and the casing includes the back plate, has seted up the guide way on the back plate, and motor protecting crust adaptation is installed in the guide way, and the layer board is still installed to the casing inside, has seted up the guide rail on the layer board, and erection column tip integrated into one piece has the guide holder, and the guide holder adaptation is installed in the guide rail.
Optionally, correction module is installed to drive belt pulley group top, correction module includes the correction guide bar of fixed mounting in the casing inside, corrects guide bar tip fixedly connected with connecting plate, and the casing is inside to be installed still and corrects the lead screw, and correction lead screw one end power is connected with correction motor, and the other end rotates to be installed on the connecting plate, corrects the screw thread and installs two lead screw sliders on the lead screw, and two lead screw sliders are connected with the correction riser respectively, and the correction riser is connected with the guide holder, and the guide holder passes and corrects the guide bar, corrects two correction risers and moves in opposite directions or mutually away from, correction motor is connected with the control unit, be equipped with the range finding unit on the belt pulley seat, the range finding unit is used for detecting the length of elastic telescopic rod that the control unit was used for snatching the length of elastic telescopic rod that the range finding to change into the distance between second band pulley and the fourth band pulley shaft axle center, and calculate second band pulley and the third band pulley lateral movement distance, obtain the distance between two correction risers according to the calculation.
Optionally, the calculating, by the control unit, the lateral movement distance of the second pulley and the third pulley includes:the method comprises the steps of carrying out a first treatment on the surface of the Wherein: a is the axle center distance between the first belt pulley and the second belt pulley, and the axle center distance between the second belt pulley and the third belt pulley; b is the distance between the axes of the second belt pulley and the fourth belt pulley obtained through conversion according to the length of the elastic telescopic rod measured by the distance measuring unit; l is the total length of the transmission belt; r is the radius of the belt wheel; />For turning plate deflection angleAnd determining the distance between the two correcting risers according to the transverse moving distance f. When the meshing gears are meshed, the distance between the two first belt wheels is known, and the diameter of the steel pipe can be obtained according to the transverse movement distance f, so that the distance between the two correcting vertical plates can be determined, and the two correcting vertical plates are matched with the two driving belt wheel sets to guide the steel pipe in a collision manner on four sides.
The application has the beneficial effects that: the application provides a double synchronous belt type steel pipe downhole pushing device, which is characterized in that two groups of driving belt pulley groups are arranged, the two groups of driving belt pulley groups are driven by a clamping motor to move oppositely, steel pipes with different diameters are clamped, the steel pipes are conveyed by a driving belt section between a second belt pulley and a third belt pulley, the two driving belt pulley groups are driven by a driving motor through a meshing gear, so that pushing actions of the two groups of driving belt pulley groups are synchronous, the two groups of driving belt pulley groups synchronously push from two sides of the steel pipes, meanwhile, a contact surface is changed into a line from a point in the prior art, pushing force is larger, and a pushing process is more stable.
Drawings
In order to more clearly illustrate the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the application and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a dual synchronous belt type steel pipe downhole pushing device according to an embodiment of the application;
fig. 2 is an internal schematic view of a dual synchronous belt type steel pipe downhole pushing device according to an embodiment of the present application;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;
FIG. 4 is a schematic diagram of a driving pulley set of a dual synchronous belt type steel pipe downhole pushing device according to an embodiment of the present application;
FIG. 5 is a partially enlarged schematic illustration of portion B of FIG. 4;
FIG. 6 is a schematic side view of a driving pulley set of a dual synchronous belt type steel pipe downhole pushing device according to an embodiment of the present application;
fig. 7 is a schematic diagram of the working state principle of a dual synchronous belt type steel pipe downhole pushing device according to an embodiment of the present application;
fig. 8 is a schematic diagram II of the working state principle of a dual synchronous belt type steel pipe downhole pushing device according to an embodiment of the present application;
fig. 9 is a schematic diagram of a working state principle of a dual synchronous belt type steel pipe downhole pushing device according to an embodiment of the application.
Marked in the figure as:
101. a housing; 102. a rear plate; 103. a guide groove; 104. an introduction hole; 201. a mounting plate; 202. a bidirectional screw rod; 203. a mounting column; 204. a driving motor; 205. a supporting plate; 206. a guide rail; 207. a meshing gear; 208. a guide seat; 209. closing the motor; 300. driving the belt pulley group; 301. a first pulley; 302. a second pulley; 303. a third pulley; 304. a fourth pulley; 305. a transmission belt; 306. clamping a motor; 307. a motor protective shell; 308. a belt wheel seat; 309. an elastic telescopic rod; 310. an elastic mounting seat; 311. an upper guide rail; 313. a moving column; 314. a vertical hole; 315. a piston rod; 316. an extrusion plate; 317. a mounting shaft; 318. a limiting plate; 319. a lower guide rail; 320. a friction plate; 321. a bottom plate; 322. a drive shaft; 323. a rotating plate; 324. a vertical plate; 325. a rotating shaft; 326. a telescopic pin; 400. a correction module; 401. correcting a lead screw; 402. correcting the guide rod; 403. correcting the vertical plate; 404. a conveying roller; 405. correcting the conveyor belt; 406. a screw rod sliding block; 407. and (5) connecting a plate.
Detailed Description
The present application will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present application more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present application belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1 to 6, a specific embodiment of the present application provides a dual synchronous belt type steel pipe downhole pushing device, which comprises a housing 101, wherein an introduction hole 104 for introducing a steel pipe is formed at the top of the housing 101, two groups of driving belt wheel groups 300 for driving the steel pipe to move are installed inside the housing 101, a mounting plate 201 is installed inside the housing 101, a bidirectional screw 202 is installed on the mounting plate 201, the bidirectional screw 202 is adaptively connected with two groups of mounting posts 203, the two groups of driving belt wheel groups 300 are respectively installed on the mounting posts 203 through gear shafts, one gear shaft is connected with a driving motor 204, a meshing gear 207 is installed on the gear shaft, the bidirectional screw 202 is connected with a closing motor 209 for driving the two groups of meshing gears 207 to mesh and separate;
the driving belt pulley set 300 comprises a first belt pulley 301, a second belt pulley 302, a third belt pulley 303, a fourth belt pulley 304 and a driving belt 305, a rotating plate 323 is connected between the first belt pulley 301 and the second belt pulley 302, a vertical plate 324 is connected between the rotating plate 323 and the third belt pulley 303, the rotating plate 323 and the vertical plate 324 are connected through a limiting assembly, the limiting assembly is used for switching between the rotating plate 323 and the vertical plate 324 in a rotating and fixedly connected state, the rotating plate 323 is connected with an elastic telescopic rod 309, the elastic telescopic rod 309 is connected with the fourth belt pulley 304, the first belt pulley 301 is connected with a driving shaft 322, the driving shaft 322 is connected with a clamping motor 306, the clamping motor 306 is used for driving the two groups of driving belt pulley sets 300 to rotate around the driving shaft 322 to clamp a steel pipe, and a movable track part is further arranged inside the casing 101 and used for limiting the driving belt 305 at the position of the third belt pulley 303 to be in contact with the steel pipe and then keep pressing the surface of the steel pipe.
In use, the device is arranged at a wellhead, a steel pipe is led into the shell 101 from the leading-in hole 104 and is positioned between two groups of driving belt wheel groups 300, then a closing motor 209 is started, the closing motor 209 drives a bidirectional screw 202 to rotate, two groups of mounting posts 203 move in opposite directions until two groups of engaging gears 207 are engaged, then a clamping motor 306 drives a driving shaft 322 to rotate, the driving shaft 322 rotates so that two groups of driving belt wheel groups 300 respectively rotate in opposite directions by taking the connected driving shaft 322 as a central shaft, until the third belt wheel 303 positioned at the bottommost part is in contact with a steel pipe and clamps the steel pipe, then a limiting component is started, a fixed connection state is switched to a rotation connection state between a rotating plate 323 and a vertical plate 324, a moving track part is used for limiting the third belt wheel 303 to keep pressing the surface of the steel pipe, at the moment, the clamping motor 306 continuously works, the rotating plate 323 is enabled to rotate until a second belt wheel 302 is abutted against the steel pipe, in the process, an elastic telescopic rod 309 stretches, a fourth belt wheel 304 moves, the driving belt 305 is kept in a tight state, then the driving motor 204 works, the engaging gears 207 are driven to rotate, the third belt wheel 303 contacts with the steel pipe, the two groups of driving belt wheels 207 are enabled to move, and the two groups of driving belt wheels 305 are driven by the driving belt groups 300 to move from the two sides of the steel pipe, and the driving belt 300 are in a balanced state, and the driving belt 300 is enabled to move from the two sides of the steel pipe to be in contact with the surface of the steel pipe.
In some alternative embodiments, as shown in fig. 6, the limiting assembly includes a rotation shaft 325, one end of the rotation shaft 325 is rotatably connected to the rotation plate 323, the other end of the rotation shaft is fixedly connected to the vertical plate 324, two telescopic pins 326 are installed on the vertical plate 324, pin holes corresponding to the two telescopic pins 326 are formed on the rotation plate 323, and the two telescopic pins 326 are inserted into the pin holes to limit the relative rotation between the rotation plate 323 and the vertical plate 324.
In some alternative embodiments, as shown in fig. 2, fig. 3 and fig. 6, the moving track portion includes two sets of upper rails 311 and lower rails 319 fixedly mounted on the side wall of the housing 101, each set of upper rails 311 and lower rails 319 are respectively provided with a T-shaped slot, the T-shaped slot of the upper rails 311 is opposite to the T-shaped slot of the lower rails 319, a moving column 313 is adaptively mounted between the two T-shaped slots, the two moving columns 313 are respectively provided on two sides of the third pulley 303, a vertical hole 314 is formed in the moving column 313, a mounting shaft 317 is mounted on the third pulley 303, two ends of the mounting shaft 317 respectively pass through the vertical hole 314, so as to limit the mounting shaft 317 to move only along the vertical hole 314, and a friction plate 320 capable of moving up and down is embedded at the bottom of the T-shaped slot on the lower rails 319.
In use, when the driving shaft 322 rotates to make the two groups of driving belt pulley groups 300 rotate in opposite directions with the driving shaft 322 connected with the driving shaft groups as a central shaft, the moving column 313 moves, the mounting shaft 317 moves along the vertical hole 314, and when the third belt pulley 303 abuts against the steel pipe, the friction plate 320 moves upwards, and the friction plate 320 abuts against the moving column 313, so that the moving column 313 is fixed.
In some alternative embodiments, as shown in fig. 2, 3 and 6, the bottom plate 321 is installed inside the housing 101, and a hydraulic ejector rod is installed on the bottom plate 321, and the top end of the hydraulic ejector rod is connected to the friction plate 320. For driving the friction plate 320 to move up and down.
In some alternative embodiments, as shown in fig. 2 and 3, a portion of the mounting shaft 317 mounted in the vertical hole 314 is integrally formed into a cube, so as to limit the rotation of the mounting shaft 317 in the vertical hole 314, two sets of limiting plates 318 are respectively mounted at the end of the mounting shaft 317, and the two sets of limiting plates 318 are respectively disposed at two sides of the vertical hole 314.
In some alternative embodiments, as shown in fig. 2 and 3, an air pressure chamber is disposed inside the moving column 313, a piston is installed in the air pressure chamber, the piston is connected to a piston rod 315, and an end of the piston rod 315 is connected to a compression plate 316. After the driving pulley set 300 is completed, the pneumatic chamber is inflated so that the pressing plate 316 presses the mounting shaft 317 downward, thereby fixing the position of the third pulley 303.
In some alternative embodiments, as shown in fig. 4 and 6, the rotating plate 323 has a pulley seat 308 mounted thereon, the second pulley 302 is mounted on the pulley seat 308, the elastic telescopic rod 309 is mounted on the pulley seat 308, the elastic mount 310 is connected to an end of the elastic telescopic rod 309, and the fourth pulley 304 is mounted on the elastic mount 310.
In some alternative embodiments, as shown in fig. 1, 2 and 6, the clamping motor 306 is externally provided with a motor protecting shell 307, the housing 101 includes a rear plate 102, the rear plate 102 is provided with a guiding groove 103, the motor protecting shell 307 is adapted to be installed in the guiding groove 103, the housing 101 is internally provided with a supporting plate 205, the supporting plate 205 is provided with a guiding rail 206, an end portion of the mounting column 203 is integrally provided with a guiding seat 208, and the guiding seat 208 is adapted to be installed in the guiding rail 206. During engagement of the engagement gear 207, the motor housing 307 moves along the guide groove 103 and the mounting post 203 moves along the guide rail 206, so that the clamping motor 306 has an application point because the motor housing 307 is positioned in the guide groove 103 when the clamping motor 306 is operated.
In some alternative embodiments, as shown in fig. 2, fig. 4 and fig. 5, a correction module 400 is installed above the driving pulley set 300, the correction module 400 includes a correction guide rod 402 fixedly installed inside the housing 101, an end portion of the correction guide rod 402 is fixedly connected with a connecting plate 407, a correction screw 401 is also installed inside the housing 101, one end of the correction screw 401 is dynamically connected with a correction motor, the other end of the correction screw is rotatably installed on the connecting plate 407, two screw sliders 406 are threadably installed on the correction screw 401, the two screw sliders 406 are respectively connected with a correction riser 403, the correction riser 403 is connected with a guide seat, the guide seat passes through the correction guide rod 402, the correction screw 401 drives the two correction risers 403 to move towards each other or away from each other, the correction motor is connected with a control unit, a ranging unit is provided on the pulley seat 308, the ranging unit is used for detecting the length of the elastic telescopic rod 309 measured by the ranging unit, thereby converting into the distance between the axle centers of the second pulley 302 and the fourth pulley 304, the distance between the axes of the second pulley 302 and the third pulley 303 is calculated, and the distance between the two correction risers 403 is adjusted according to the calculated distance between the calculated and adjusted distances between the two correction risers 403. So that the two correcting risers 403 can not only effectively carry out vertical conveying correction on the steel pipes, but also reduce resistance.
In some alternative embodiments, as shown in fig. 5 and 7-9, the control unit calculates the second pulley 302 and the first pulleyThe three pulley 303 laterally moves a distance comprising: axial distance between first pulley 301 and fourth pulley 304 in a state where steel pipe is clamped by driving pulley group 300The method comprises the steps of carrying out a first treatment on the surface of the Wherein a is the axial center distance between the first belt pulley 301 and the second belt pulley 302, b is the distance between the second belt pulley 302 and the fourth belt pulley 304 obtained by conversion according to the length of the elastic telescopic rod 309 measured by the ranging unit, wherein the elastic telescopic rod 309 is vertically installed on the rotating plate 323; when the total length of the transmission belt 305 is L, the distance between the axes of the third pulley 303 and the fourth pulley 304 is +.>Wherein the first pulley 301, the second pulley 302, the third pulley 303 and the fourth pulley 304 have the same specification, r is the radius of the pulley, a is the axle center distance between the first pulley 301 and the second pulley 302 and the axle center distance between the second pulley 302 and the third pulley 303, and a deflection angle is formedThe method comprises the steps of carrying out a first treatment on the surface of the Thereby obtaining the lateral movement distance +.>The method comprises the steps of carrying out a first treatment on the surface of the The distance between the two correcting risers 403 can then be determined from the lateral movement distance f. Since the distance between the two first pulleys 301 is known when the meshing gears 207 mesh, the diameter of the steel pipe can be obtained from the lateral movement distance f, and the distance between the two correcting risers 403 can be determined, and the two correcting risers 403 cooperate with the two driving pulley groups 300 to guide the steel pipe in a collision manner on four sides.
In some alternative embodiments, as shown in fig. 5, two ends of the correcting riser 403 are respectively provided with a conveying roller 404, and a correcting conveyor belt 405 is installed between the conveying rollers 404. So that the steel pipe is in contact with the corrective conveyor 405, reducing the conveying friction.
In some alternative embodiments, the housing 101 has an angle sensor mounted therein for detecting the angle of deflection of the rotating plate 323The control unit controls the deflection angle detected by the angle sensor>Deflection angle with respect to the rotating plate 323 calculated from the length of the elastic expansion link 309>And comparing, if the driving belts are equal, indicating that the driving belts 305 are straightened, otherwise, reporting errors.
The working principle of the application is as follows: in use, the device is arranged at a wellhead, a steel pipe is led into the shell 101 from the leading-in hole 104 and is positioned between two groups of driving belt wheel groups 300, then a closing motor 209 is started, the closing motor 209 drives a bidirectional screw 202 to rotate, two groups of mounting posts 203 move in opposite directions until two groups of engaging gears 207 are engaged, then a clamping motor 306 drives a driving shaft 322 to rotate, the driving shaft 322 rotates so that two groups of driving belt wheel groups 300 respectively rotate in opposite directions by taking the connected driving shaft 322 as a central shaft, until the third belt wheel 303 positioned at the bottommost part is in contact with a steel pipe and clamps the steel pipe, then a limiting component is started, a fixed connection state is switched to a rotation connection state between a rotating plate 323 and a vertical plate 324, a moving track part is used for limiting the third belt wheel 303 to keep pressing the surface of the steel pipe, at the moment, the clamping motor 306 continuously works, the rotating plate 323 is enabled to rotate until a second belt wheel 302 is abutted against the steel pipe, in the process, an elastic telescopic rod 309 stretches, a fourth belt wheel 304 moves, the driving belt 305 is kept in a tight state, then the driving motor 204 works, the engaging gears 207 are driven to rotate, the third belt wheel 303 contacts with the steel pipe, the two groups of driving belt wheels 207 are enabled to move, and the two groups of driving belt wheels 305 are driven by the driving belt groups 300 to move from the two sides of the steel pipe, and the driving belt 300 are in a balanced state, and the driving belt 300 is enabled to move from the two sides of the steel pipe to be in contact with the surface of the steel pipe.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the application (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order and there are many other variations of the different aspects of the application as described above, which are not provided in detail for the sake of brevity.
The present application is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present application should be included in the scope of the present application.
Claims (10)
1. The utility model provides a double synchronous belt steel pipe pushing device in pit, including casing (101), casing (101) top is equipped with the introduction hole (104) that are used for leading in the steel pipe, casing (101) internally mounted has two sets of drive belt wheelsets (300) that are used for driving the steel pipe and remove, a serial communication port, casing (101) internally mounted has mounting panel (201), install bi-directional lead screw (202) on mounting panel (201), bi-directional lead screw (202) adaptation is connected with two sets of erection posts (203), two sets of drive belt wheelsets (300) are installed on erection posts (203) through the gear shaft respectively, wherein a gear shaft is connected with driving motor (204), install interlock gear (207) on the gear shaft, bi-directional lead screw (202) are connected with draw in motor (209);
the driving belt pulley set (300) comprises a first belt pulley (301), a second belt pulley (302), a third belt pulley (303), a fourth belt pulley (304) and a transmission belt (305), a rotating plate (323) is connected between the first belt pulley (301) and the second belt pulley (302), a vertical plate (324) is connected between the rotating plate (323) and the third belt pulley (303), the rotating plate (323) is connected with the vertical plate (324) through a limiting assembly, an elastic telescopic rod (309) is connected with the rotating plate (323), the elastic telescopic rod (309) is connected with the fourth belt pulley (304), the first belt pulley (301) is connected with a driving shaft (322), the driving shaft (322) is connected with a clamping motor (306), the clamping motor (306) is used for driving the two groups of driving belt pulley sets (300) to rotate around the driving shaft (322), so that the two groups of driving belt pulley sets (300) clamp steel pipes, and a moving track part used for keeping the third belt pulley (303) to squeeze surfaces is further installed inside a shell (101).
2. The double synchronous belt type steel pipe downhole pushing device according to claim 1, wherein the limiting assembly comprises a rotating shaft (325), one end of the rotating shaft (325) is rotationally connected with a rotating plate (323), the other end of the rotating shaft is fixedly connected with a vertical plate (324), two telescopic pins (326) are installed on the vertical plate (324), pin holes matched with the two telescopic pins (326) are formed in the rotating plate (323), the two telescopic pins (326) are inserted into the pin holes, and relative rotation between the rotating plate (323) and the vertical plate (324) is limited.
3. The double synchronous belt type steel pipe downhole pushing device according to claim 1, wherein the moving track portion comprises two groups of upper guide rails (311) and lower guide rails (319) fixedly mounted on the side wall of the shell (101), T-shaped grooves are respectively formed in each group of upper guide rails (311) and each group of lower guide rails (319), the T-shaped grooves of the upper guide rails (311) are opposite to the T-shaped grooves of the lower guide rails (319), moving columns (313) are mounted between the two T-shaped grooves in an adapting mode, the two moving columns (313) are respectively arranged on two sides of the third belt wheel (303), vertical holes (314) are formed in the moving columns (313), mounting shafts (317) are mounted on the third belt wheel (303), two ends of each mounting shaft (317) penetrate through the corresponding vertical holes (314) and are used for limiting the mounting shafts (317) to move only along the vertical holes (314), and friction plates (320) capable of moving up and down are embedded in the bottoms of the T-shaped grooves of the lower guide rails (319).
4. A dual synchronous belt type steel pipe downhole pushing device according to claim 3, wherein a bottom plate (321) is installed in the shell (101), a hydraulic ejector rod is installed on the bottom plate (321), and the top end of the hydraulic ejector rod is connected with a friction plate (320).
5. A dual synchronous belt type steel pipe downhole pushing device according to claim 3, wherein the part of the installation shaft (317) installed in the vertical hole (314) is integrally formed into a cubic column, the installation shaft (317) is limited to rotate in the vertical hole (314), two groups of limiting plates (318) are respectively installed at the end parts of the installation shaft (317), and the two groups of limiting plates (318) are respectively arranged at two sides of the vertical hole (314).
6. A dual synchronous belt type steel pipe downhole pushing device according to claim 3, wherein an air pressure cavity is arranged in the moving column (313), a piston is arranged in the air pressure cavity, the piston is connected with a piston rod (315), and the end part of the piston rod (315) is connected with an extrusion plate (316).
7. The double synchronous belt type steel pipe downhole pushing device according to claim 1, wherein the rotating plate (323) is provided with a belt wheel seat (308), the second belt wheel (302) is arranged on the belt wheel seat (308), the elastic telescopic rod (309) is arranged on the belt wheel seat (308), the end part of the elastic telescopic rod (309) is connected with an elastic mounting seat (310), and the fourth belt wheel (304) is arranged on the elastic mounting seat (310).
8. The double synchronous belt type steel pipe downhole pushing device according to claim 1, wherein the clamping motor (306) is externally provided with a motor protecting shell (307), the shell (101) comprises a rear plate (102), the rear plate (102) is provided with a guide groove (103), the motor protecting shell (307) is adaptively arranged in the guide groove (103), the shell (101) is internally provided with a supporting plate (205), the supporting plate (205) is provided with a guide rail (206), the end part of the mounting column (203) is integrally provided with a guide seat (208), and the guide seat (208) is adaptively arranged in the guide rail (206).
9. The dual synchronous belt type steel pipe downhole pushing device according to claim 7, wherein a correction module (400) is installed above the driving belt pulley group (300), the correction module (400) comprises a correction guide rod (402) fixedly installed inside the shell (101), a connecting plate (407) is fixedly connected to the end portion of the correction guide rod (402), a correction screw (401) is further installed inside the shell (101), one end of the correction screw (401) is in power connection with a correction motor, the other end of the correction screw is rotatably installed on the connecting plate (407), two screw sliding blocks (406) are installed on the correction screw (401) in a threaded manner, the two screw sliding blocks (406) are respectively connected with a correction vertical plate (403), the correction vertical plate (403) is connected with a guide seat, the guide seat penetrates through the correction guide rod (402), the correction screw (401) drives the two correction vertical plates (403) to move oppositely or oppositely, the correction motor is connected with a control unit, a distance measuring unit is arranged on the belt pulley seat (308) and is used for detecting the length of the elastic telescopic rod (309), the control unit is used for grabbing the length of the elastic telescopic rod (309) measured by the distance measuring unit, the elastic telescopic rod is converted into the length of a second belt pulley (309) and the second belt pulley (302) moves transversely to the second belt pulley (302), the distance between the two correcting risers (403) is adjusted according to the calculated lateral movement distance.
10. A double synchronous belt type steel pipe downhole pushing device according to claim 9, wherein the control unit calculates a lateral movement distance of the second pulley (302) and the third pulley (303) comprises:the method comprises the steps of carrying out a first treatment on the surface of the Wherein: a is the axle center distance between the first belt wheel (301) and the second belt wheel (302), and the axle center distance between the second belt wheel (302) and the third belt wheel (303); b is the distance between the axes of the second belt wheel (302) and the fourth belt wheel (304) obtained through conversion according to the length of the elastic telescopic rod (309) measured by the distance measuring unit; l is the total length of the transmission belt (305); r is the radius of the belt wheel; />For turning the plate (323) by a deflection angle according to a lateral movementThe distance f determines the distance between the two correcting risers (403).
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| US11454069B2 (en) * | 2020-04-21 | 2022-09-27 | Schlumberger Technology Corporation | System and method for handling a tubular member |
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| CN104326302A (en) * | 2014-10-11 | 2015-02-04 | 石家庄爱科特科技开发有限公司 | Cable conveying device for oil well |
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