Double end pipeline anticorrosion coating remover
Technical field
The present invention relates to the pipe technology field, be specifically related to a kind of double end pipeline anticorrosion coating remover.
Background technology
As time goes on, the development of oil, natural gas line industry, the length of service of original various pipelines closes on gradually, and planned dimension, repairing work increase year by year, and the transformation of pipeline, replace tubes work happen occasionally.Certainly, removing the pipeline external anti-corrosion layer is a requisite job in the work progress, after the anticorrosive coat of pipeline outside must being removed, just can weld, subsequent operation such as leak stopping.Along with the raising of aseptic technic, present anticorrosive coat is tough and tensile more solid, and this has increased difficulty also for the work of removal anticorrosive coat.Common anticorrosive coat just can be removed with simple tool, but main material to be poly anticorrosive coat surface hard and with the adhesive force extra-heavy of pipeline be the big obstacle of one in the pipeline construction always.In order to win the quality time to pipeline construction repairing work, it is extremely urgent to develop a kind of mechanized tool of removing this kind anticorrosive coat.
In repairing in the past, the work of removal anticorrosive coat is operated manually and is finished.The working site, several workmans utilize original cutters such as cutter, add and use the gas welding preheating sometimes, remove the operation form of anticorrosive coat more by hand, not only working strength of workers is big, and efficient is extremely low, and can waste the valuable repairing time, increase the maintenance risk, and increase new rigid damage to pipeline easily.
Summary of the invention
In view of this, the invention provides a kind of double end pipeline anticorrosion coating remover, the operation of can installing machines to replace manual labor reduces labor intensity, and raises the efficiency.
This double end pipeline anticorrosion coating remover comprises climbing mechanism, axial motion mechanism and two removal mechanism.
Climbing mechanism comprises creeping and drives stepper motor, the worm-gear speed reducer of creeping, every side and comprise a mainframe, directive wheel, drive sprocket, driven pulley, chain, a cover tensioning apparatus respectively.
The driving stepper motor of creeping is connected with the worm-gear speed reducer of creeping, and the worm-gear speed reducer both sides of creeping are respectively arranged with a mainframe, and two mainframes link together by cross handle.The output of worm-gear speed reducer of a creeping two ends of creeping respectively connect a drive sprocket; The two ends of passing the rotating shaft of the mainframe directive wheel that respectively is connected; A driven pulley respectively is connected on the both sides of each mainframe, respectively there is a chain both sides of each mainframe on drive sprocket, then by directive wheel on oil pipeline, pass through driven pulley again, on the removable sprocket wheel of tensioning apparatus, form the guide rail of two sealings again.
Each fixedly has a cover tensioning apparatus on two mainframes, and every cover tensioning apparatus is by a tensioning screw, removable sprocket wheel, a sprocket sleeve, a screw rod fixedly cage plate and tensioning shaft composition.Tensioning screw places in the sprocket sleeve, by screw rod fixedly cage plate be fixed on the mainframe, mobile sprocket wheel is installed on the tensioning shaft, tensioning shaft is connected with the tensioning screw end is vertical, tensioning shaft can move the tensioning that realizes chain in sprocket sleeve.
Axially travelling mechanism is installed on the climbing mechanism, axially travelling mechanism comprises axial driving stepper motor, axially moves worm-gear speed reducer, active synchronization belt wheel, driven synchronous pulley, synchronous cog belt, two linear axis, four linear bearings, first fixed head and second fixed head.
Axially the driving stepper motor is connected with axial operation worm-gear speed reducer and is fixed on first fixed head, at the output shaft that axially moves worm-gear speed reducer the active synchronization belt wheel is installed, driven synchronous pulley is fixedly arranged and be installed on the base for supporting at second fixed head, synchronous cog belt is an open band, pass active synchronization belt wheel and driven synchronous pulley, and its openend is fixed on the connection base on the climbing mechanism; Connecting base is fixed on the center fixed plate of climbing mechanism, the center fixed plate is rectangle, four angles on the center fixed plate are equipped with 4 linear bearings, every linear axis passes two linear bearings, the two ends of each linear axis are fixed on two and support in the ear muff, the support ear cover is connected on two fixed heads, and linear axis slides in linear bearing, for axial travelling mechanism provides guide effect.The base for supporting of driven synchronous pulley is connected with second fixed head; During work, axially drive the rotation of stepper motor driving axial operation worm-gear speed reducer, in the active synchronization belt wheel rotation that axially moves on the worm-gear speed reducer output shaft, move in linear bearing thereby drive synchronous cog belt formation rectilinear motion drive linear axis, realized the axially-movable of axial travelling mechanism.
Two removal mechanism are installed in the two ends of the linear axis of axial travelling mechanism respectively, and main effect is that wire wheel is rotated at a high speed, reaches the purpose of removing anticorrosive coat.Each removal mechanism comprises an alternating current generator, a steel wire wheel axle system, a cursor, a upper slitter screw rod, a upper slitter nut.Alternating current generator is fixed on the end of axial travelling mechanism, the same axis of output shaft that a fixing axle sleeve and alternating current generator are arranged in its outside, at this axle sleeve a cursor is installed, can be around the swing of alternating current generator axis, the other end of cursor has been installed the steel wire wheel axle system.A synchronous pulley is installed on the alternating current arbor, is connected with cursor steel wire wheel axle system by synchronous band, alternating current generator drives the steel wire wheel axle rotation, and the wire wheel of installing on it rotation reaches the purpose of removing anticorrosive coat.
Rotate the upper slitter nut, the upper slitter screw rod can drive the cursor swing and realize that wire wheel is toward or away from tube wall along its axially-movable, reaches the purpose of removing or not removing.
Beneficial effect of the present invention:
1, causes kinking for fear of climbing pipe continuously, stepper motor has adopted automatic control system, and according to the automatic work of the procedure of writing in advance, the anticorrosive coat remover can change direction around the pipeline circle of creeping, adopt the alternate reciprocating motion of both direction, realize that brush moves at tube wall.The driving stepper motor of creeping has enough moments of torsion, so that machine can overcome deadweight, realizes smoothly creeping.
2, the removal mechanism of anticorrosive coat remover has two, can remove anticorrosive coat efficiently, rushes to repair time of on-the-spot saves valuable for the field, reduces the risk that has an accident.
Description of drawings
Fig. 1 is double end pipeline anticorrosion coating remover front view.
Fig. 2 is double end pipeline anticorrosion coating remover vertical view.
Wherein, the 1-driving stepper motor of creeping, 2-directive wheel, the 3-drive sprocket, the removable sprocket wheel of 4-, 5-tensioning apparatus, the 6-driven pulley, the 7-chain, the 8-screw rod is cage plate fixedly, the 9-tensioning screw, 11-sprocket sleeve, 12-axially drive stepper motor, 13-axially moves worm-gear speed reducer, 14-active synchronization belt wheel, the driven synchronous pulley of 15-, the 16-synchronous cog belt, 17-linear axis, 18-linear bearing, 19-connects base, 20-center fixed plate, 21-alternating current generator, 22-steel wire wheel axle system, 23-cursor, 24-upper slitter screw rod, 25-upper slitter nut, 26-motherboard, 27-wire wheel, the 28-fixed head, the 29-fixed head.
The specific embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.
This twin flue anticorrosive coat remover comprises climbing mechanism, axial travelling mechanism and two removal mechanism.
Climbing mechanism comprises creeping and drives stepper motor 1, the worm-gear speed reducer of creeping, two directive wheels 2, two drive sprockets 3, two driven pulleys 6, two chains 7, two cover tensioning apparatus 5.
Creeping drives stepper motor 1 and is connected with the worm-gear speed reducer of creeping, and the worm-gear speed reducer both sides of creeping are respectively arranged with 26, two mainframes of mainframe 26 and link together by cross handle.The output of worm-gear speed reducer of a creeping two ends of creeping respectively connect a drive sprocket 3; Pass each fixed directive wheel 2 of two ends of the rotating shaft of mainframe 26; Two 6 of driven pulleys are connected in respectively on the mainframe 26 of both sides.Respectively there is a chain 7 both sides of mainframe 26 on drive sprocket 3, pass through directive wheel 2 then on oil pipeline, pass through driven pulley 6 again, on the removable sprocket wheel 4 of tensioning apparatus 5, form the guide rail of two sealings again.
Each fixedly has a cover tensioning apparatus 5 on two mainframes 26, and every cover tensioning apparatus 5 comprises a tensioning screw 9, removable sprocket wheel 4, a sprocket sleeve 11, a screw rod fixedly cage plate 8 and a tensioning shaft.Tensioning screw 9 places in the sprocket sleeve 11, by screw rod fixedly cage plate 8 be fixed on the mainframe 26, removable sprocket wheel 10 is installed on the tensioning shaft, and tensioning shaft and vertical connection of tensioning screw 9 ends, tensioning shaft can move the tensioning that realizes chain 7 in sprocket sleeve 11.
Axial motion mechanism is installed on the climbing mechanism, axially travelling mechanism comprises axial driving stepper motor 12, axially moves worm-gear speed reducer 13, active synchronization belt wheel 14, driven synchronous pulley 15, synchronous cog belt 16, two linear axis 17, four linear bearing 18, the first fixed heads 28, second fixed head 29.
Axially driving stepper motor 12 is connected with axial operation worm-gear speed reducer 13 and is fixed on first fixed head 28, at the output shaft that axially moves worm-gear speed reducer 13 active synchronization belt wheel 14 is installed, driven synchronous pulley 15 is fixedly arranged and be installed on the base for supporting at second fixed head 29, synchronous cog belt 16 is an open band, pass active synchronization belt wheel 14 and driven synchronous pulley 15, and its openend is fixed on the connection base 19 on the climbing mechanism; Connecting base 19 is fixed on the center fixed plate 20 of climbing mechanism, center fixed plate 20 is rectangle, four angles on center fixed plate 20 are equipped with 4 linear bearings 18, every linear axis 17 passes two linear bearings 18, the two ends of each linear axis 17 are fixed on two and support in the ear muff, the support ear cover is connected on first fixed head 28 and second fixed head 29, and linear axis 17 is directly sliding in the bearing 18, for axial travelling mechanism provides guide effect.The base for supporting of driven synchronous pulley 15 is connected with second fixed head 29; During work, axially drive 13 rotations of stepper motor 12 driving axials operation worm-gear speed reducer, active synchronization belt wheel 14 rotations on the output shaft that axially moves worm-gear speed reducer 13, drive synchronous cog belt 16 and form rectilinear motion, because connecting base 19 is fixed on the center fixed plate 20 of climbing mechanism, thereby synchronous cog belt 16 drives linear axis 17 and moves in linear bearing 18, has realized the axially-movable of axial travelling mechanism.
Two removal mechanism are installed in the two ends of the linear axis of axial travelling mechanism respectively, and main effect is that wire wheel is rotated at a high speed, reaches the purpose of removing anticorrosive coat.Each removal mechanism comprises that an alternating current generator 21, a steel wire wheel axle system 22, a cursor 23, a upper slitter screw rod 24, upper slitter nut 25, an alternating current generator 21 are fixed on the end of axial travelling mechanism, the same axis of output shaft that a fixing axle sleeve and alternating current generator 21 are arranged in its outside, at this axle sleeve a cursor 23 is installed, can be around the swing of alternating current generator axis, the other end of cursor 23 has been installed steel wire wheel axle system 22.A synchronous pulley is installed on the alternating current arbor, be connected with cursor steel wire wheel axle system by synchronous band, alternating current generator drives the rotation of steel wire wheel axle system, wire wheel 27 rotations of installing on it, the wire brush that drives on the wire wheel 27 rotates, and reaches the purpose of removing anticorrosive coat.
Rotate the handwheel that is connected with upper slitter nut 25, upper slitter nut 25 rotates, and upper slitter screw rod 24 can drive cursor 23 swings and realize that the wire brush on the wire wheel 27 is toward or away from tube wall, reaches the purpose of removing or not removing along its axially-movable.
Climbing mechanism drives complete machine and creeps around the circumferencial direction of oil pipeline, can drive the axial travelling mechanism of installing on it and move together, thereby the removal mechanism that drives axial travelling mechanism two ends turns round, and makes wire wheel can touch pipeline outer wall.
In sum, more than be preferred embodiment of the present invention only, be not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.