A kind of petroleum pipeline repair methodTechnical field
The present invention relates to petroleum pipeline care field, specifically a kind of petroleum pipeline repair method.
Background technology
Petroleum pipeline (also referred to as pipeline, pipeline) is made of oil pipe and its attachment, and according to the needs of technological process, is matchedStandby corresponding oil pump unit, design are mounted to a complete pipe-line system, unload to complete oil plant and defeated turn task.
Existing petroleum pipeline on-bne repair unmanned plane can only petroleum pipeline outside inspection, be unable to inspection oil inner tubeRoad, it is difficult to observe the crack inside petroleum pipeline, cause to be unable to on-call maintenance petroleum pipeline；In unmanned plane inside petroleum pipelineWhen flight, the oil inside petroleum pipeline can be dropped onto from the top of pipeline on unmanned plane, and oil is adhered on camera, influences to take the photographInside head observation petroleum pipeline；When unmanned plane lands, the flying speed of unmanned plane is too fast, unmanned slide in descentApart from long, damage may be generated to unmanned plane.In consideration of it, the present invention provides a kind of petroleum pipeline repair method, haveFollowing characteristics：
(1) a kind of petroleum pipeline repair method of the present invention, one end installation illumination of the shell of the unmanned plane of useMechanism, inside petroleum pipeline when flight, lighting mechanism illuminates inside petroleum pipeline the present apparatus, facilitates inside observation petroleum pipelineCrack, repair in time.
(2) a kind of petroleum pipeline repair method of the present invention installs protection mechanism, petroleum pipeline on the top of cameraThe oil of road inner tip is dropped on transparent protection mechanism, and oil is prevented to be dropped on camera, and camera is facilitated to checkOil internal pipeline.
(3) a kind of petroleum pipeline repair method of the present invention, the bottom end setting landing of the shell of the unmanned plane of useMechanism, in unmanned plane descent, landing mechanism plays cushioning effect, and unmanned plane is prevented to be damaged in descent,And landing mechanism is contacted with ground, is increased the frictional force between landing mechanism and ground, is reduced the coasting distance of unmanned plane.
(4) a kind of petroleum pipeline repair method of the present invention, the side wall adjustment notch mechanism of unmanned plane, works as petroleum pipelineCrack occurs inside road, marking mechanism sprays the inside that coating is sprayed onto petroleum pipeline, facilitates people to find next time and repair.
Invention content
For the problems of the prior art, the present invention provides a kind of petroleum pipeline repair method, of the present invention oneKind of petroleum pipeline repair method, is mainly used for overhauling petroleum pipeline inside, this method by inside petroleum pipeline to oilPipeline is overhauled, and be can avoid interference of the external environment to service work, is substantially increased the efficiency of maintenance, avoid from outsideIt is not easy to the inconvenience to being overhauled below petroleum pipeline.
The technical solution adopted by the present invention to solve the technical problems is：A kind of petroleum pipeline repair method, this method packetInclude following steps：
Step 1 empties the oil in petroleum pipeline；
Maintenance unmanned plane is put into petroleum pipeline by step 2 on the basis of step 1；Camera is carried on unmanned planeWith the marking mechanism for marking leakage point；
Step 3, service personnel observes according to the camera in step 2 inside petroleum pipeline, when finding leakage point, inspectionPersonnel control marking mechanism is repaiied to leakage point spray paint, to mark leakage point, easy access personnel are from external observation；Coating byUltraviolet light colour developing coating and wine-colored coating mix；
Step 4, after the completion of step 3 maintenance, service personnel holds ultra violet light emitter and is marked along petroleum pipeline searchingThe leakage point of note；
Step 5, after searching out leakage point in step 4, service personnel is marked leakage point from outside；
Step 6, maintenance personal repair leakage point according to the label of service personnel in step 5；
The unmanned plane used in above-mentioned steps two include shell, landing mechanism, elevating mechanism, fixed mechanism, protection mechanism,Position-limit mechanism, lighting mechanism, ball and compression mechanism；The side walls of the shell connect the lighting mechanism, the illuminationOne end of mechanism connects the position-limit mechanism, and the position-limit mechanism is installed on the inside of the shell；The top surface of the shell is solidSurely the fixed mechanism is connected, the transparent protection mechanism is installed in the top surface of the fixed mechanism；The fixed mechanism it is interiorA camera, the bottom end sidewall symmetry rotation of one of them camera are installed in portion and the bottom surface of the shell respectivelyTwo balls are connected, the ball is connect with the internal slide of the fixed mechanism；The sidewall symmetry of the shell is arrangedThe bottom surface of four elevating mechanisms, the shell is installed by the landing mechanism；The side wall of the shell installs the markerThe side of structure, the marking mechanism contradicts the compression mechanism, and the compression mechanism is fixed on the inside of the shell.
Specifically, the elevating mechanism includes flabellum and fixing piece, the sidewall symmetry of the shell is fixedly connected with four institutesFixing piece is stated, the flabellum is arranged in one end of the fixing piece, and the flabellum rotation drives the shell to rise in petroleum pipelineInternal motion.
Specifically, the lighting mechanism includes supporting rod, mounting plate and light bulb, described in the side walls connection of the shellOne end installation side wall of supporting rod, the supporting rod is mounting plate described in arc, and support plate is made to drive the installation for conveniencePlate moves, and the mounting plate is made to be stretched out from one end of shell, and the mounting plate is located between two fixing pieces, the installationThe side wall of plate is equipped with the light bulb being equally spaced, and facilitates the light bulb is shinny to illuminate inside petroleum pipeline.
Specifically, the position-limit mechanism includes fixed ring, steel wire, clockwork spring, shaft, idler wheel and hook, the mounting plateSidewall symmetry installs two fixed rings, and the side wall of the fixed ring connects the hook, and one end of the steel wire, which is fixed, to be connectedThe hook is connect, facilitates the steel wire to hold the fixed ring, support force, the other end of the steel wire is provided for the mounting plateIt is wrapped in the side wall of the idler wheel, the top surface of the idler wheel installs the clockwork spring, facilitates and the steel wire is pulled to drive the idler wheelRotation, makes the clockwork spring energetically, and when unclamping the steel wire, the clockwork spring drives the idler wheel rotation, makes the steel wire againIt is wrapped on the idler wheel, one end of the clockwork spring connects the shaft, and the shaft is fixed on described outer through the idler wheelThe inside of shell.
Specifically, the fixed mechanism includes the first sliding groove, second sliding slot and connecting pole, institute is installed in the top surface of the shellConnecting pole is stated, top and the bottom inner portion of the connecting pole are distributed with an annular the first sliding groove, and described first slidesSlot engages the ball, and the ball fixes the ball in the internal rotating of the first sliding groove, thus by the camera shootingHead is fixed；The second sliding slot is equipped between two the first sliding grooves, the second sliding slot is slidably connected the ball, convenientThe ball is in the connecting pole internal motion, to make the camera in the connecting pole internal motion.
Specifically, the distance between two described the first sliding grooves are less than the length of the camera, and the first sliding grooveHeight be equal to the diameter of the ball, facilitate the ball to engage the first sliding groove.
Specifically, the protection mechanism includes the groove, receiver and backplate, side wall is installed in the side of the connecting poleFor the backplate of " L " shape, the oil inside petroleum pipeline is made to drop onto on the backplate, prevents oil from being connect with the cameraIt touches, the top surface of the shell is equipped with the groove, and the groove engages the receiver, and the top surface of the receiver is located between two partiesBottom end positioned at the backplate side, it is that oil is slipped on the receiver to make the backplate, collects and uses, and avoids pollution nothingIt is man-machine.
Specifically, the landing mechanism includes first fixed link, supporting rack, the second fixed link, hook and spring, instituteTwo support frames as described above are installed in the bottom surface for stating shell, and two first fixed links are installed in the bottom end of support frame as described above, and described theThe inside of one fixed link connects second fixed link by the spring, support frame as described above when being contacted with ground, the bulletSpring is punctured into the shell damping, prevents the damage present apparatus, the bottom surface of second fixed link described curved equipped with being equally spacedIt hooks, increases the frictional force between ground and support frame as described above, reduce the coasting distance of unmanned plane；One camera is located at twoBetween a support frame as described above, another described camera is slidably connected the connecting pole, the sight for facilitating the camera comprehensiveExamine petroleum pipeline internal state.
Specifically, the marking mechanism includes nozzle, connecting plate, feed inlet and air bag, institute is installed in the top surface of the shellFeed inlet is stated, the connection air bag of the feed inlet adds coating to the inside of the air bag for convenience, and the air bag is logicalIt crosses the connecting plate and is connected to multiple nozzles, the connecting plate is installed on the side wall of the shell, for convenience the air bagInternal coating is sprayed from the inside of the nozzle.
Specifically, the compression mechanism includes hydraulic cylinder, hydraulic stem and compression plate, the liquid is installed in the inside of the shellCylinder pressure, the hydraulic cylinder connect the compression plate by the hydraulic stem, and side wall is that the compression plate of arc contradicts the gasOne end side wall of capsule, for convenience hydraulic stem elongation, makes the compression plate compress the air bag, and the inside air bag is made to applyMaterial sprays.
Beneficial effects of the present invention：
(1) a kind of petroleum pipeline repair method of the present invention, one end installation illumination of the shell of the unmanned plane of useMechanism, inside petroleum pipeline when flight, lighting mechanism illuminates inside petroleum pipeline the present apparatus, facilitates inside observation petroleum pipelineCrack, repair in time.
(2) a kind of petroleum pipeline repair method of the present invention installs protection mechanism, petroleum pipeline on the top of cameraThe oil of road inner tip is dropped on transparent protection mechanism, and oil is prevented to be dropped on camera, and camera is facilitated to checkOil internal pipeline.
(3) a kind of petroleum pipeline repair method of the present invention, the bottom end setting landing of the shell of the unmanned plane of useMechanism, in unmanned plane descent, landing mechanism plays cushioning effect, and unmanned plane is prevented to be damaged in descent,And landing mechanism is contacted with ground, is increased the frictional force between landing mechanism and ground, is reduced the coasting distance of unmanned plane.
(4) a kind of petroleum pipeline repair method of the present invention, the side wall adjustment notch mechanism of unmanned plane, works as petroleum pipelineCrack occurs inside road, marking mechanism sprays the inside that coating is sprayed onto petroleum pipeline, facilitates people to find next time and repair.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram for the unmanned plane that this method uses；
Fig. 2 is the structural schematic diagram of position-limit mechanism shown in FIG. 1；
Fig. 3 is fixed mechanism internal structure schematic diagram shown in FIG. 1；
Fig. 4 is landing mechanism shown in FIG. 1 internal structure schematic diagram；
Fig. 5 is marking mechanism structural schematic diagram shown in FIG. 1.
In figure：1, shell, 2, landing mechanism, the 21, first fixed link, 22, supporting rack, the 23, second fixed link, 24, hook,25, spring, 3, elevating mechanism, 31, flabellum, 32, fixing piece, 4, marking mechanism, 41, nozzle, 42, connecting plate, 43, feed inlet,44, air bag, 5, fixed mechanism, 51, the first sliding groove, 52, second sliding slot, 53, connecting pole, 6, camera, 7, protection mechanism, 71,Groove, 72, receiver, 73, backplate, 8, position-limit mechanism, 81, fixed ring, 82, steel wire, 83, clockwork spring, 84, shaft, 85, idler wheel,86, it links up with, 9, lighting mechanism, 91, supporting rod, 92, mounting plate, 93, light bulb, 10, ball, 11, compression mechanism, 111, hydraulic pressureCylinder, 112, hydraulic stem, 113, compression plate.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie belowSpecific implementation mode is closed, the present invention is further explained.
As shown in Figure 1, a kind of petroleum pipeline repair method of the present invention, this approach includes the following steps：
Step 1 empties the oil in petroleum pipeline；
Maintenance unmanned plane is put into petroleum pipeline by step 2 on the basis of step 1；Camera is carried on unmanned plane6 and the marking mechanism 4 for marking leakage point；
Step 3, service personnel observes according to the camera 6 in step 2 inside petroleum pipeline, when finding leakage point,Service personnel controls marking mechanism 4 to leakage point spray paint, and to mark leakage point, easy access personnel are from external observation；It appliesMaterial is mixed by ultraviolet light colour developing coating and wine-colored coating；
Step 4, after the completion of step 3 maintenance, service personnel holds ultra violet light emitter and is marked along petroleum pipeline searchingThe leakage point of note；
Step 5, after searching out leakage point in step 4, service personnel is marked leakage point from outside；
Step 6, maintenance personal repair leakage point according to the label of service personnel in step 5；
The unmanned plane used in above-mentioned steps two includes shell 1, landing mechanism 2, elevating mechanism 3, fixed mechanism 5, protectionMechanism 7, position-limit mechanism 8, lighting mechanism 9, ball 10 and compression mechanism 11；The side walls of the shell 1 connect the illuminationOne end of mechanism 9, the lighting mechanism 9 connects the position-limit mechanism 8, and the position-limit mechanism 8 is installed on the interior of the shell 1Portion；The top surface of the shell 1 is fixedly connected with the fixed mechanism 5, and the transparent protection is installed in the top surface of the fixed mechanism 5Mechanism 7；A camera 6, one of institute are installed in the inside of the fixed mechanism 5 and the bottom surface of the shell 1 respectivelyThe bottom end sidewall symmetry for stating camera 6 is rotatablely connected two balls 10, the inside of the ball 10 and the fixed mechanism 5It is slidably connected；Four elevating mechanisms 3 are arranged in the sidewall symmetry of the shell 1, and the landing is installed in the bottom surface of the shell 1Mechanism 2；The side wall of the shell 1 installs the marking mechanism 4, and the side of the marking mechanism 4 contradicts the compression mechanism 11,The compression mechanism 11 is fixed on the inside of the shell 1.
Specifically, as shown in Figure 1, a kind of petroleum pipeline repair method of the present invention, the elevating mechanism 3 include fanThe sidewall symmetry of leaf 31 and fixing piece 32, the shell 1 is fixedly connected with four fixing pieces 32, one end of the fixing piece 32The flabellum 31 is set, and the flabellum 31 rotates, and the shell 1 is driven to rise in petroleum pipeline internal motion.
Specifically, as shown in Figure 1, a kind of petroleum pipeline repair method of the present invention, the lighting mechanism 9 include branchStrut 91, mounting plate 92 and light bulb 93, the side walls connection supporting rod 91 of the shell 1, the one of the supporting rod 91End installation side wall is mounting plate 92 described in arc, makes support plate 91 that the mounting plate 92 be driven to move for convenience, makes the peaceLoading board 92 is stretched out from one end of shell 1, and the mounting plate 92 is located between two fixing pieces 32, the side of the mounting plate 92Wall is equipped with the light bulb 93 being equally spaced, and facilitates the light bulb 93 is shinny to illuminate inside petroleum pipeline.
Specifically, as depicted in figs. 1 and 2, a kind of petroleum pipeline repair method of the present invention, the position-limit mechanism 8Including fixed ring 81, steel wire 82, clockwork spring 83, shaft 84, idler wheel 85 and hook 86, the sidewall symmetry installation two of the mounting plate 92A fixed ring 81, the side wall connection hook 86 of the fixed ring 81, one end of the steel wire 82 is fixedly connected describedHook 86, facilitates the steel wire 82 to hold the fixed ring 81, and support force is provided for the mounting plate 92, the steel wire 81 it is anotherOne ends wound in the side wall of the idler wheel 85, install the clockwork spring 83, facilitate and pull the steel wire 82 by the top surface of the idler wheel 85It drives the idler wheel 85 to rotate, makes the clockwork spring 83 energetically, when unclamping the steel wire 82, the clockwork spring 83 drives the idler wheel85 rotations, make the steel wire 82 rewind on the idler wheel 85, and one end of the clockwork spring 83 connects the shaft 84, describedShaft 84 is fixed on the inside of the shell 1 through the idler wheel 85.
Specifically, as shown in figures 1 and 3, a kind of petroleum pipeline repair method of the present invention, the fixed mechanism 5Including the first sliding groove 51, second sliding slot 52 and connecting pole 53, the connecting pole 53, the connection are installed in the top surface of the shell 1The top of column 53 is distributed with an annular the first sliding groove 51 with bottom inner portion, and the first sliding groove 51 engages the rollingPearl 10, the ball 10 fix the ball 10 in the internal rotating of the first sliding groove 51, thus by the camera 6It is fixed；The second sliding slot 52 is equipped between two the first sliding grooves 51, the second sliding slot 52 is slidably connected the ball10, facilitate the ball 10 in 53 internal motion of the connecting pole, to make the camera 6 be transported inside the connecting pole 53It is dynamic.
Specifically, as shown in figure 3, a kind of petroleum pipeline repair method of the present invention, two the first sliding grooves 51The distance between be less than the camera 6 length, and the height of the first sliding groove 51 be equal to the ball 10 diameter, sideToilet states ball 10 and engages the first sliding groove 51.
Specifically, as shown in Figure 1, a kind of petroleum pipeline repair method of the present invention, the protection mechanism 7 include instituteGroove 71, receiver 72 and backplate 73 are stated, the side installation side wall of the connecting pole 53 is the backplate 73 of " L " shape, makes stoneOil inside oil-piping drops onto on the backplate 73, prevents oil from being contacted with the camera 6, the top surface of the shell 1Equipped with the groove 71, the groove 71 engages the receiver 72, and the top surface of the receiver 72 is located between two parties positioned at describedThe bottom end of 73 side of backplate, it is that oil is slipped on the receiver 72 to make the backplate 73, collects and uses, avoids polluting nobodyMachine.
Specifically, as shown in Figure 1 and Figure 4, a kind of petroleum pipeline repair method of the present invention, the landing mechanism 2Including first fixed link 21, supporting rack 22, the second fixed link 23, hook 24 and spring 25, the bottom surface of the shell 1 is installedThe bottom end of two support frames as described above 22, support frame as described above 22 is installed by two first fixed links 21, first fixed link 21Inside second fixed link 23 is connected by the spring 25, support frame as described above 22 when being contacted with ground, the spring25 are punctured into 1 damping of the shell, prevent the damage present apparatus, the bottom surface of second fixed link 23 described equipped with being equally spacedHook 24 increases the frictional force between ground and support frame as described above 22, reduces the coasting distance of unmanned plane；One camera6 are located between two support frames as described above 22, another described camera 6 is slidably connected the connecting pole 53, facilitates the camera shootingFirst 6 comprehensive observation petroleum pipeline internal states.
Specifically, as shown in Figure 1 and Figure 5, a kind of petroleum pipeline repair method of the present invention, the marking mechanism 4Including nozzle 41, connecting plate 42, feed inlet 43 and air bag 44, the feed inlet 43, the charging are installed in the top surface of the shell 1The connection air bag 44 of mouth 43, adds coating to the inside of the air bag 44 for convenience, and the air bag 44 passes through the companyFishplate bar 42 is connected to multiple nozzles 41, and the connecting plate 42 is installed on the side wall of the shell 1, for convenience the air bag 44Internal coating is sprayed from the inside of the nozzle 41.
Specifically, as shown in figure 5, a kind of petroleum pipeline repair method of the present invention, the compression mechanism 11 includeThe inside of hydraulic cylinder 111, hydraulic stem 112 and compression plate 113, the shell 1 is installed by the hydraulic cylinder 111, the hydraulic cylinder 111The compression plate 113 is connected by the hydraulic stem 112, side wall is that the compression plate 113 of arc contradicts the air bag 44One end side wall, the elongation of the hydraulic stem 112, makes the compression plate 113 compress the air bag 44, makes the air bag 44 for convenienceInternal coating sprays.
Supporting rod 91 is extracted out from the inside of shell 1, makes supporting rod 91 that mounting plate 92 be driven to move, and mounting plate 92 is made to be located at twoBetween a fixing piece 32, two hooks 86 are pulled from the side wall of shell 1, steel wire 82 are pulled out from the inside of shell 1,82 band of steel wireDynamic idler wheel 85 is rotated in 94 side wall of shaft, while the clockwork spring 83 for making 85 top of idler wheel is energetically, will link up with 86 and 92 side wall of mounting plateFixed ring 81 connect, make about 82 fixed mounting plate 92 of steel wire, be mounting plate 92 support force is provided, the stabilization of the present apparatus is providedProperty, camera 6 is pulled out from 53 inside of connecting pole, makes the ball 10 of 6 side wall of camera in the inside upward sliding of second sliding slot 52,When ball 10 contradicts the first sliding groove 51, camera 6 is rotated, makes camera 6 that ball 10 be driven to be revolved in the inside of the first sliding groove 51Turn, ball 10 is made to engage the first sliding groove 51, to which camera 6 to be fixed on to the top of connecting pole 53, feed inlet 43 is opened, to gasAppropriate coating is added in 44 inside of capsule, turns off feed inlet 43.
(1) flabellum 31 is opened, flabellum 31 is made to rotate, to make shell 1 go up to the air, the present apparatus is made to enter the inside of petroleum pipelineIt moves forward, opens light bulb 93, keep light bulb 93 shinny on the mounting plate 92 of arc, uniformly illuminate the inside of petroleum pipeline,The shooting that carries out inside petroleum pipeline is sent on manual platform by 1 top of shell with bottom end camera 6, and people is facilitated to observe stoneOil-piping inner case.
(2) in the present apparatus when making pipeline internal motion, the oil fallen inside petroleum pipeline falls on transparent backplateOn 73, prevent use from falling on camera 6, the side wall that oil ties up backplate 73 slides to fall into the inside of receiver 72,Facilitate collection oil.After finding crack inside petroleum pipeline, hydraulic cylinder 111 is opened, so that hydraulic stem 112 is grown, to make liquid113 compressing gasbag 44 of compression plate of 112 one end of compression bar, the coating inside air bag 44 is compressed, through the spray of 42 one end of connecting plateFirst 41 spray, and make the side in coating jet band crack, people is facilitated to find, repair；Hydraulic cylinder 11 is closed, hydraulic stem is made112 and compression plate 113 reset.
(3) when the present apparatus flies out inside petroleum pipeline, light bulb 93 is closed, making the present apparatus slowly reduces the rotation of flabellum 31Speed makes supporting rack 22 be contacted with ground, when supporting rack 22 when being contacted with ground, the second fixed link 23 contact ground be compressed intoEnter the inside of the first fixed link 21, compressed spring 25, spring 25 generates cushion effect, so that the present apparatus is stablized landing, while second is solidThe hook 24 on 23 ground of fixed pole is contacted with ground, increases the frictional force of supporting rod 22 and ground, reduce the present apparatus slide away fromFrom.Hook 86 is separated with fixed ring 81, clockwork spring 83 drives idler wheel 85 to be rotated in the side wall negative direction of shaft 84, makes 82 weight of steel wireIt is newly wrapped on idler wheel 85, steel wire 85 is packed up, then supporting rod 91 is slid into the inside of shell 1；From 1 top surface groove 714 of shellReceiver 72 is taken out, 72 inside oil of receiver is cleared up, the camera 6 inside the column 53 that is rotatably connected makes the rolling of 6 bottom end of cameraThe rotation of pearl 10 is separated with the first sliding groove 51, and downslide camera 6 makes ball 10 in 52 inside slide downward of second sliding slot, makes ball10 slide into 53 bottom inner portions of connecting pole the first sliding groove 51 in, make camera 6 slide into connecting pole 53 inside, rotating camera 6,Camera 6 is fixed on to the bottom end of connecting pole 53 again, protects camera 6.
Lighting mechanism 9 is installed in one end of the shell 1 of the present invention, and the present apparatus is inside petroleum pipeline when flight, lighting mechanism 9It illuminates inside petroleum pipeline, facilitates the crack inside observation petroleum pipeline, repair in time.The top installation of camera 6 is anti-Mechanism 7 is protected, the oil of petroleum pipeline inner tip is dropped on transparent protection mechanism 7, and oil is prevented to be dropped in camera 6On, facilitate camera 6 to check oil internal pipeline.The bottom end setting landing mechanism 2 of shell, in unmanned plane descent, dropIt falls mechanism 2 and plays cushioning effect, unmanned plane is prevented to be damaged in descent, and mechanism 2 of landing is contacted with ground, is increasedFrictional force between mechanism 2 of landing and ground, reduces the coasting distance of unmanned plane.The side wall adjustment notch mechanism 4 of unmanned plane, whenCrack occurs inside petroleum pipeline, marking mechanism 4 sprays the inside that coating is sprayed onto petroleum pipeline, people is facilitated to find progress next timeRepair.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry shouldUnderstand, the present invention is not limited to the above embodiments, and the description in the above embodiment and specification only illustrates the present inventionPrinciple, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation andImprovement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalentObject defines.