CN103069205B - Device for painting inner surface of existing pipe - Google Patents
Device for painting inner surface of existing pipe Download PDFInfo
- Publication number
- CN103069205B CN103069205B CN201180041195.9A CN201180041195A CN103069205B CN 103069205 B CN103069205 B CN 103069205B CN 201180041195 A CN201180041195 A CN 201180041195A CN 103069205 B CN103069205 B CN 103069205B
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- CN
- China
- Prior art keywords
- mentioned
- coating
- pipe
- existing pipe
- inner face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
- B05B3/1057—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces with at least two outlets, other than gas and cleaning fluid outlets, for discharging, selectively or not, different or identical liquids or other fluent materials on the rotating element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/06—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work
- B05C7/08—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work for applying liquids or other fluent materials to the inside of tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Spray Control Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
Provided is a device for painting the inner surface of existing pipes that is capable of painting the inner surface of existing pipes having curved portions, without holidays. The device (1) for painting the inner surface of existing pipes is equipped with: a paint supply tube (3) to be inserted into an existing pipe; a painting unit (5) provided at the tip of the paint supply tube (3); and a delivery (movement) device (7) that moves the painting unit (5) from the downstream side toward the upstream side of an existing pipe by retracting the paint supply tube (3) that has been inserted in the existing pipe. The painting unit (5) includes a paint-spraying unit (51) that sprays the inner surface of the existing pipe with paint supplied via the paint supply tube (3), a drive unit (53) that changes the direction in which the paint is sprayed by the paint-spraying unit (51), and a control unit (55) that detects curved portions of the existing pipe and controls the operation of the drive unit (53).
Description
Technical field
The present invention relates to and the painting device of the existing pipe inner face of film is formed to the inner face of apartment, the industrial existing pipe to arrange etc.
Background technique
The forming apparatus of pipe in the resin-made of known such as patent documentation 1 record of painting device of existing existing pipe inner face.This device possesses the injection head of resin emulsion paint and provides the host of resin emulsion paint and the sebific duct of curing agent.Injection head has the motor of the bowl-shape head being formed with the hole of multiple aperture or slit-shaped at all sidewalls and the head making this bowl-shape rotation, and the resin emulsion paint making to be supplied to bowl-shape head by making bowl-shape head rotate with centrifugal force sprays from the hole of aperture or slit-shaped.Further, by the injection head that is inserted in upright supervisor and sebific duct pull-up (tractive) and sprayed resin coating, resin layer or coating layer is formed at the internal face of upright supervisor thus.
prior art document
patent documentation
Patent documentation 1: JP 2001-219121 publication
Summary of the invention
the problem that invention will solve
But above-mentioned existing apparatus is only to be uprightly responsible for, and in other words, the existing pipe extended with straight line shape, for object, does not consider the existing pipe with curved part completely.Therefore, the possibility of injection head not by the curved part of existing pipe is high, can not be applied to the existing pipe with curved part.In addition, namely allow to application, formed in the formation of coating layer at tractive injection head as above-mentioned existing apparatus, particularly injection head at curved part by becoming unstable, there is the problem producing holiday.
The present invention pays close attention to this problem, its object is to be provided in existing pipe when having curved part, can suppress to produce holiday and the painting device its inner face being carried out to the existing pipe inner face of application.
for the scheme of dealing with problems
The painting device of the existing pipe inner face of one aspect of the present invention, possess: coating provides pipe, it has flexibility, is inserted in existing pipe; Spray painting portion, it is assemblied in the tip portion that this coating provides pipe, by the spray painting that provides pipe to provide by this coating inner face to above-mentioned existing pipe; Shifter, it makes this spray painting portion at above-mentioned existing in-pipe; Detection unit, it detects the curved part of above-mentioned existing pipe; And drive portion, it carries out work according to the testing result of this detection unit, changes the spraying direction of the above-mentioned coating in above-mentioned coating spraying portion.
invention effect
According to the painting device of above-mentioned existing pipe inner face, the direction of application element sprayed coating such as can be changed at the line part of existing pipe and curved part, therefore particularly can prevent the holiday of curved part, and stable application can be carried out in the entire scope of the inner face of existing pipe.
Accompanying drawing explanation
Fig. 1 is the figure that the summary of the painting device of the existing pipe inner face that embodiments of the present invention are shown is formed.
Fig. 2 is the figure of an example of the existing pipe illustrated as coating object.
Fig. 3 is the figure illustrating that the summary of coating element is formed.
Fig. 4 is the figure that the formation forming driving mechanism built-in in the main part of the drive portion of coating element is shown.
Fig. 5 is the figure of the effect for illustration of drive portion.
Fig. 6 is the figure of the internal structure of the main part that the control device forming coating element is shown.
Fig. 7 illustrates that coating provides the figure of the variation of pipe.
Embodiment
With reference to the accompanying drawings embodiments of the present invention are described.
Fig. 1 illustrates that the summary of the painting device of the existing pipe inner face of embodiments of the present invention is formed.As shown in Figure 1, the painting device 1 of the existing pipe inner face of mode of execution possesses: coating provides pipe 3, and it is inserted in the existing pipe as coating object; Coating element 5, it is located at the tip side that coating provides pipe 3; And delivery device 7, it carries out coating provides sending of pipe 3 and tractive.And, painting device 1 makes coating element 5 spray paint according to operator by the instruction of omitting illustrated operation unit, and make delivery device 7 tractive coating provide pipe 3, make coating element 5 in existing pipe from downstream side upstream side move, thus form the film of predetermined thickness at the inner face of existing pipe.
At this, existing pipe as coating object is not particularly limited, such as the existing pipe 10(particularly transverse tube of curved part 10a, the 10b had as shown in Figure 2), specifically, corresponding to the supply pipe of apartment, office building, waste pipe and the industrial various pipe arrangements arranging (comprising industrial factory).
Coating provides pipe 3 to have flexibility, utilizes the illustrated coating of omission to provide pump to provide the coating of force feed to coating element 5.In the present embodiment, coating provides pipe 3 to have the integral structure of the inner side 2 coating flexible pipes (the 1st coating flexible pipe 31a, the 2nd coating flexible pipe 31b) being accommodated in outside flexible pipe 33.Wherein, the whole of the 1st, the 2nd coating flexible pipe 31a, 31b do not received by outside flexible pipe 33, but expose predetermined range (such as 2 ~ 3m) from its tip side.Thus, from tip side, in predetermined range, be the state that the 1st coating flexible pipe 31a is separated with the 2nd coating flexible pipe 31b.In addition, omit in the drawings, be also accommodated with the signaling line, the power supply that are connected with coating element 5 in aforesaid operations portion in the inner side of outside flexible pipe 33 and the various distributions such as line are provided.
In addition, at least one party's coating flexible pipe (in this case the 2nd coating flexible pipe 31b) in the 1st, the 2nd coating flexible pipe 31a, 31b, coating detecting sensor 35 is being provided with from its top toward the position of rear end side established amount (such as 1 ~ 1.5m).The main coating that detection provides pump pressure to send by above-mentioned coating when the work of painting device 1 starts of this coating detecting sensor 35 arrives the relevant position in coating flexible pipe.Coating detecting sensor 35 such as can use compact light sensor, pressure transducer.Signal (coating testing signal) from coating detecting sensor 35 outputs to operation unit by omitting illustrated signaling line.
Above-mentioned coating can use so-called resin emulsion paint (such as, epoxy coating, polyurethane resin coating), and the 1st, the 2nd coating flexible pipe 31a, 31b can use the resin-made flexible pipe such as carrying liquid.In addition, preferably outside flexible pipe 33 uses the flexible pipe utilizing resin coil etc. to strengthen.This be in order to prevent outside flexible pipe 33 self so that be accommodated in the 1st inside it, the 2nd coating flexible pipe 31a, 31b bending, break.
Coating element 5 be by provided pipe 3 to provide by coating spray painting to the unit of the inner face of existing pipe, be located at the tip side that coating provides pipe 3, specifically, be located at the part that the 1st coating flexible pipe 31a and the 2nd coating flexible pipe 31b exposes from outside flexible pipe 33.
Fig. 3 illustrates that the summary of coating element 5 is formed.As shown in Figure 3, coating element 5 provides the downstream side of the tip side of pipe 3 and existing pipe to comprise in order from coating: to the spray painting portion 51 of the inner face sprayed coating of existing pipe; Change the drive portion 53 in the spraying direction of the coating in spray painting portion 51; And the control device 55 of the work of control drive portion 53.In addition, although eliminate in the drawings, but between spray painting portion 51 and drive portion 53 and between drive portion 53 and control device 55, respectively connected signaling line and power supply provides line, in addition, be connected with the signaling line that extends from aforesaid operations portion in the rear end of control device 55 and power supply provides line.
Spray painting portion 51 has: contain the whole part being formed with multiple through hole h shown in multiple through hole h(figure laterally) the head 511 of bottomed cylindrical; The motor (hereinafter referred to as " the 1st motor ") 513 that head 511 is rotated; And be configured at than the cone shape tip portion 515 of head 511 by tip side.The mode that head 511, the 1st motor 513 and tip portion 515 are positioned in same straight line with respective center line (rotating center) configures.
Head 511 provides the mode of the tip side of pipe 3 to configure towards coating with its bottom surface, the central part of this bottom surface is fixed on the running shaft of the 1st motor 513.
1st motor 513 is incorporated in the motor box 517 of the outward appearance with circular cone shape, by the SC sigmal control from aforesaid operations portion, head 511 is rotated around its center line.The motor box 517 of circular cone shape is with the mode landscape configuration of headward 511 sides, the bottom surface of largest diameter.In addition, in motor box 517, separate predetermined distance and be formed with the coating flexible pipe hole of the 1st, the 2nd coating flexible pipe 31a, 31b respectively by (inserting), the 1st, the 2nd coating flexible pipe 31a, 31b is retained as the state be separated from each other.Further, the coating utilizing above-mentioned coating to provide pump pressure to send is provided in head 511 by the 1st, the 2nd coating flexible pipe 31a, 31b, and in other words, the inside bottom surface to head 511 provides.
In addition, the external diameter that namely maximum outside diameter of the motor box 517 of circular cone shape is configured at the bottom surface of head 511 side is greater than the external diameter of head 513, and be slightly smaller than the internal diameter of the existing pipe as coating object, thus, in existing pipe, the 1st motor 513 configures in the mode that the tubular axis of the existing pipe of its rotating center and this is roughly consistent with head 511.
Tip portion 515 mainly protects the parts of head 511, rotatably can be assemblied in the top of the running shaft of the 1st motor 511.
Further, in spray painting portion 51, according to the instruction of operator by aforesaid operations portion, the 1st motor 513 makes head 511 rotate, and utilizes centrifugal force to spray, the coating be supplied in head 511 to the inner face sprayed coating of existing pipe from each through hole h thus.
Drive portion 53 has: a pair drive wire (the 1st drive wire 531a, the 2nd drive wire 531b); Be built-in with the main part (hereinafter referred to as " the 1st main part ") 533 of the driving mechanism of the rolling of carrying out a pair drive wire 531a, 531b/unreel; And the part being positioned at (being exposed to) the 1st the 1st, the 2nd coating flexible pipe 31a, 31b between main part 533 and spray painting portion 51 is accommodated in respectively a pair helical spring (the 1st spring 535a, the 2nd spring 535b) of inner side.
1st, the center line of one end of the 2nd drive wire 531a, 531b respectively across this spray painting portion 51 is fixed on spray painting portion 51(motor box 517 separated from each other) rear end side, the other end is connected with the driving mechanism in the 1st main part 533 respectively.The connection part of the other end of the formation of driving mechanism and the 1st, the 2nd drive wire 531a, 531b illustrates (with reference to Fig. 4) below.
In the 1st main part 533,1st, the 2nd coating flexible pipe 31a, 31b formed in the mode be separated across the center line of the 1st main part 533 respectively by the coating flexible pipe hole of (inserting), the 1st, the 2nd coating flexible pipe 31a, 31b is retained as the state be separated from each other thus.In addition, the external diameter (maximum outside diameter) of the 1st main part 533 is identical with the external diameter of the motor box 517 in spray painting portion 51 or slightly less than it.
At this, 1st, the 2nd coating flexible pipe 31a, 31b and the 1st, the 2nd drive wire 531a, 531b are configured to: in the cross section orthogonal with the tubular axis of existing pipe, by line connected to each other for the kernel of section of the 1st, the 2nd coating flexible pipe 31a, 31b with by roughly orthogonal for line connected to each other for the kernel of section of the 1st, the 2nd drive wire 531a, 531b.
Fig. 4 is the figure of the formation for illustration of the driving mechanism being built in the 1st main part 533.
As shown in Figure 4, driving mechanism 540 has: the 1st leading block 541, the 2nd leading block 543, pulley 545, the motor (hereinafter referred to as " the 2nd motor ") 547 that pulley 545 is rotated and detect the rotating coder 549 of rotating amount of pulley 545.And, pulley 545 is fixed on by the 1st leading block 541 winding in another side that the 1st drive wire 531a in spray painting portion 51 is fixed in one end, and another side of being fixed on the 2nd drive wire 531b of the rearward end in spray painting portion 51, one end to be reeled from the direction contrary with the 1st drive wire 531a by the 2nd leading block 543 and is fixed on pulley 545.
Therefore, when the 2nd motor 547 makes pulley 545 rotate to B1 direction, 1st drive wire 531a rolling, on the other hand, 2nd drive wire 531b unreels, and when the 2nd motor 547 makes pulley 545 rotate to the B2 direction contrary with B1 direction, the 1st drive wire 531a unreels, on the other hand, the 2nd drive wire 531b rolling.
At this, the driving of the 2nd motor 547 is controlled by the motor controller being located at control device 55 described later, and in addition, the output of rotating coder 549 is imported into motor controller.
Fig. 5 is the figure of the effect for illustration of drive portion 53.
When drive portion 53 does not work, the part between the 1st main part 533 and spray painting portion 51 of the 1st, the 2nd coating flexible pipe 31a, 31b remains straight line shape (with reference to Fig. 3) by the 1st, the 2nd spring 535a, 535b.
When making pulley 545 rotate to B1 direction (with reference to Fig. 4) from this state by the 2nd motor 547, the 1st drive wire 531a rolling and the 2nd drive wire 531b unreel, and spray painting portion 51 is pulled by the 1st drive wire 531a.Thus, as shown in Fig. 5 (a), the 1st, the 2nd coating flexible pipe 31a, 31b and the 1st, the 2nd spring 535a, 535b bend to the 1st drive wire 531a side (being top in figure).
On the other hand, when being made pulley 555 rotate to the B2 direction contrary with B1 direction (with reference to Fig. 4) by the 2nd motor 547, the 2nd drive wire 531b rolling and the 1st drive wire 531a unreel, and spray painting portion 51 is pulled by the 2nd drive wire 531b.Thus, as shown in Fig. 5 (b), the 1st, the 2nd coating flexible pipe 31a, 31b and the 1st, the 2nd spring 535a, 535b bend to the 2nd drive wire 531b side (being below in figure).
Like this, drive portion 53 the 1st drive wire 521a or the 2nd drive wire 531b pulls spray painting portion 51, make the 1st, the 2nd coating flexible pipe 31a, 31b and the 1st, the 2nd spring 535a, 535b to the 1st drive wire 531a side or the 2nd drive wire 531b lateral bend thus, the spraying direction of the coating in this spray painting portion 51 is changed in the direction changing spray painting portion 51 itself.In addition, the bending direction of the 1st, the 2nd coating flexible pipe 31a, 31b and the 1st, the 2nd spring 535a, 535b and curvature by the 2nd motor 547(namely, pulley 545) sense of rotation and rotating amount determine.
Get back to Fig. 3, control device 55 be detect existing pipe curved part to control the parts of the work of drive portion 53, have: a pair detection line (the 1st detection line 551a, the 2nd detection line 551b); And main part (hereinafter referred to as " the 2nd main part ") 553, the motor controller (omitting diagram) of the 2nd motor 547 of its built-in control drive portion 53.
1st, one end of the 2nd detection line 551a, 551b is individually fixed in drive portion 53(the 1st main part 533) rearward end.
In the 2nd main part 553, same with the 1st main part 533 of drive portion 53,1st, the 2nd coating flexible pipe 31a, 31b respectively by coating flexible pipe hole (the 2nd main part 553) across center line be separated and formed, thus the 1st, the 2nd coating flexible pipe 31a, 31b is remained the state be separated from each other.In addition, the external diameter (maximum outside diameter) of the 2nd main part 553 is identical with the maximum outside diameter of the 1st main part 533, that is, identical with the external diameter of motor box 519 or slightly less than it.
At this, 1st, the 2nd coating flexible pipe 31a, 31b and the 1st, the 2nd detection line 551a, 551b are configured in the cross section orthogonal with the tubular axis of existing pipe, by line connected to each other for the kernel of section of the 1st, the 2nd coating flexible pipe 31a, 31b with by roughly orthogonal for line connected to each other for the kernel of section of the 1st, the 2nd detection line 551a, 551b.
Fig. 6 is the figure of the internal structure that the 2nd main part 553 is shown, suitable with the A-A sectional view of Fig. 3 (b).As shown in Figure 6, in the 2nd main part 553, the position be separated across the center of the 2nd main part 553 is located at by 2 switches (1st switch 555a, 2nd switch 555b) corresponding respectively with the 1st, the 2nd detection line 551a, 551b.Further, the other end that the 1st detection line 551a of the rearward end of drive portion 53 is fixed in one end is connected to the 1st switch 555a, and the other end that the 2nd detection line 551b of the rearward end of drive portion 53 is fixed in one end is connected to the 2nd switch 555b.In addition, the tension force of the 1st, the 2nd detection line 551a, 551b leaves surplus to a certain degree.
1st, the 2nd switch 555a, 555b bends more than established amount by the 1st, the 2nd detection line 551a, 555b and ends → conducting (or cut-off → conducting), in other words, end → conducting (or cut-off → conducting) by utilizing the 1st, the 2nd detection line 551a, 551b to pull switching manipulation portion, such as, can use torque switch, pull switch.
Further, said motor controller controls the work of the 2nd motor 547 of drive portion 53 according to the Continuity signal (or pick-off signal) inputted from the 1st switch 555a or the 2nd switch 555b.
At this, illustrate that control device 55 is to the detection of the curved part of existing pipe and drive portion 53(the 2nd motor 547) control.
When utilizing delivery device 7 tractive coating to provide pipe 3, coating element 5 in existing pipe from downstream side upstream side move.1st, the 2nd coating flexible pipe 31a, 31b has flexibility, at the line part of existing pipe, coating element 5 under the most stable state, namely under the 1st, the 2nd coating flexible pipe 31a, 31b in the horizontal direction state side by side at existing in-pipe.
When coating element 5(more particularly control device 55) move to from this state the curved part of existing pipe tight before time, the coating flexible pipe being positioned at curved outside is being pulled on the true dip direction of curved interior direction, control device 55 is applied to the power that this control device 55 will be made to rotate.
1st, the 2nd coating flexible pipe 31a, 31b utilizes the 1st main part 533 of drive portion 53 and the 2nd main part 553 of control device 55 to remain the state be separated from each other, prevent the 1st, the 2nd coating flexible pipe 31a, 31b from intersecting or tangling, therefore not that only control device 55 rotates, but when control device 55 rotates, drive portion 53 also rotates with spray painting portion 51 together with control device 55.The consequently tight front rotation of the curved part of coating element 5 entirety in existing pipe, coating element 5 is under the state that the 1st, the 2nd coating flexible pipe 31a, 31b in the vertical direction is arranged side by side, in other words, move at the curved part of existing pipe under the state that the 1st, the 2nd detection line 551a, 551b is arranged side by side in the horizontal direction.
So the detection line (being set to the 1st detection line 551a at this) being positioned at curved interior in the 1st, the 2nd detection line 551a, 551b is connected to existing pipe inner face and bends.Then, the 1st switch 555a conducting (or cut-off) be connected with the end of the 1st detection line 551a when the deflection of the 1st detection line 551a is more than established amount, the Continuity signal (or pick-off signal) of the 1st switch 555a inputs said motor controller.Thus, said motor controller can rest in coating element 5 movement direction on the situation of existing Guan 1 detection line 551a lateral bend.Like this, control device 55 detects curved part and the bending direction of existing pipe.But this is an example, other method also can be utilized to detect curved part and the bending direction of existing pipe.
When said motor controller inputs Continuity signal (or pick-off signal) from the 1st switch 555a, after the retard time of regulation, motor drive signal is outputted to drive portion 53,2nd motor 547 of drive portion 53 is driven, to carry out the rolling of the 1st drive wire 531a being located at same side with the 1st detection line 551a, then, 2nd motor 547 of drive portion 53 is driven, returns original state to make the 1st drive wire 531a of rolling unreel.Certainly, when the 2nd switch 555b is conducting (or cut-off), after the retard time that have passed through regulation, make the 2nd motor 547 of drive portion 53 drive, to carry out the rolling of the 2nd drive wire 531b, then, 2nd motor 547 of drive portion 53 is driven, returns original state to make the 2nd drive wire 531b of rolling unreel.
At this, the ratio that is set as retard time of afore mentioned rules is as slightly short from detecting that the curved part of existing pipe to arrive time of the entrance of this curved part to spray painting portion 51.In addition, from make the 2nd motor 547 start to make sense of rotation reverse time be set as such as from detecting that curved part arrives the time near the bending point of curved part to spray painting portion 51.And, start from making the 2nd motor 547 and be set as that ratio is as from detecting that the time of curved part to the outlet that spray painting portion 51 arrives curved part is slightly short to the time stopped.These times can according to the size of existing pipe, coating element 5 travelling speed in existing pipe and from can detect the curved part of existing pipe the 1st, the 2nd detection line 551a, 551b position to spray painting portion 51 distance etc. and preset, also can suitably adjust.
Return Fig. 1, delivery device 7 can send the coating be inserted in existing pipe with tractive with fixing speed to provide the device of pipe 3, such as, have by the drive roller 71 of not shown motor (hereinafter referred to as " the 3rd motor ") rotary actuation and provide flexible pipe 33 outside pipe 3(to clip coating between this drive roller 71) the driven roller 73 that configures of mode.3rd motor 71 is by the SC sigmal control from aforesaid operations portion.By making this delivery device 7 work, provide pipe 3 to send to coating or tractive to make coating element 5 at existing in-pipe.
But being not limited thereto, also can be such as assemble pulling cable to coating element 5, provides at delivery device 7 tractive coating the rolling carrying out pulling cable during pipe 3 simultaneously, sending the formation unreeled of carrying out pulling cable when coating provides pipe 3 simultaneously.Compared with providing the situation of pipe 3 with only tractive coating, the stable tractive of coating element 5 can be carried out by arranging pulling cable.
In addition, also can change with the line part of existing pipe and curved part the draw rate (i.e. the travelling speed of coating element 5) that coating provides pipe 3.In this case, such as adjust the rotational speed of above-mentioned 3rd motor according to the Continuity signal (or pick-off signal) from the 1st, 2 switch 555a, 555b of control device 55, make coating element 5 lower than the travelling speed of line part in the travelling speed of curved part.The application of curved part can be carried out so more reliably.
In addition, various operating switch is provided with at the illustrated operation unit of omission, the spraying (starting of the 1st motor 513 and stopping) of coating element 5 start and stop coating can be made by operator, delivery device 7 is sent or tractive coating provides pipe 3(the 3rd starting of motor 71, stops and the setting of sense of rotation) etc.In addition, can demonstrate the testing result of coating detecting sensor 35 at operation unit, operator can confirm that coating reaches the situation of coating detecting sensor 35.
The following describes the effect of the painting device 1 with existing pipe inner face as constructed as above.
First, as the preparation before application, coating element 5 is configured in the downstream of the existing pipe of coating object.Such as, insert coating from the upstream extremity of existing pipe and pipe 3 and coating element 5 are provided, and aspirator (omitting diagram) is connected to the downstream of existing pipe, start aspirator to aspirate coating and pipe 3 and coating element 5 are provided and utilize delivery device 7 to send coating and pipe 3 is provided, coating element 5 can be configured in the downstream of the existing pipe as coating object thus.Certainly, also can not use aspirator, only utilize delivery device 7 that coating element 5 is configured in the downstream of existing pipe, also after the downstream only being provided by coating pipe 5 first to lead existing pipe, coating element 5 can be assembled to the tip portion that this coating provides pipe 5.In addition, above-mentioned aspirator energy former state uses the device used when such as removing the attachment of existing pipe inner face before application, is unloaded after downstream coating element 5 being configured at existing pipe.
When completing the preparation before above-mentioned application, coating provides pump (omitting diagram) start and start providing of coating.Further, when utilizing coating detecting sensor 35 to detect that coating arrives assigned position, operation unit shows this meaning, starts the 1st motor 513 and the 3rd motor 71 by the operator confirming this display.Now, the sense of rotation of the 3rd motor 71 is set as that tractive coating provides the direction of pipe 3 certainly.Can prevent the 1st motor 513 from working too much by arranging coating detecting sensor 35 like this, can power consumption be reduced and the breakage etc. of head 511 can be suppressed.In addition, start the 1st motor 513 and the 3rd motor 71 at this by operator, but also can be configured to start the 1st motor 513(spray painting portion 51 according to from the testing signal of coating detecting sensor 35) and the 3rd motor 71(delivery device 7) at least one party.
1st motor 513 starts, thus from spray painting portion 51 spray paint of coating element 5, and the 3rd motor 71 starts, thus tractive coating provides pipe 3 to move to upstream extremity side in existing pipe to make coating element 5 with the speed of regulation.Thus, in order application is carried out from side, downstream to the inner face of existing pipe.
At this, when existing pipe has curved part, as mentioned above, control device 55 detects curved part and bending direction, the motor drive signal corresponding to its testing result is outputted to the 2nd motor 547 of drive portion 53().Thus, drive portion 53 makes the between spray painting portion 51 and drive portion 53 the 1st, the 2nd coating flexible pipe 31a, 31b bend according to curved part, makes the postural change in the spray painting portion 51 in existing pipe to change the direction of spray painting portion 51 sprayed coating.
Specifically, drive portion 53 was started working be about to enter the curved part of existing pipe in spray painting portion 51 before, and according to curved part, the curvature of the 1st, the 2nd coating flexible pipe 31a, 31b was slowly changed.That is, before arrival bending point, the curvature of the 1st, the 2nd coating flexible pipe 31a, 31b is slowly increased, slowly reduce when making the curvature of the 1st, the 2nd coating flexible pipe 31a, 31b through bending point.Then, the 1st, the 2nd coating flexible pipe 31a, 31b was made to return original its straight state be about to exceed the curved part of existing pipe in spray painting portion 51 before.Like this, according to the curved part of existing pipe, the direction of spray painting portion 51 sprayed coating is changed, the application of the inner face carrying out curved part can be stablized thus in the same manner as line part, can holiday be prevented.
And, when confirming coating element 5(spray painting portion 51) when moving to upstream extremity from the downstream of existing pipe, operator make the 1st motor 513 and the 3rd motor 71 stop, then, reclaim coating and pipe 3 and coating element 5 are provided, terminate the application of the inner face of existing pipe.
In the above-described embodiment, delivery device 7 is equivalent to " shifter " of the present invention, 1st, the 2nd detection line 551a, 551b and the 1st, the 2nd switch 555a, 555b are equivalent to " detection unit " of the present invention, 1st main part 533 of drive portion 53 and/or the 2nd main part 553 of control device 55 are equivalent to " retaining member " of the present invention, and the 1st, the 2nd spring 535a, 535b is equivalent to " spring retaining member " of the present invention.
According to the painting device of above-mentioned existing pipe inner face, detect the curved part of existing pipe and change the direction of spray painting portion 51 sprayed coating, therefore the existing pipe with curved part being carried out with also preventing holiday to the application of its inner face.At this, the head 511 that spray painting portion 51 makes rotating center roughly consistent with the rotating center of the tubular axis of existing pipe rotates, the multiple through hole hs of the coating be provided in this head 511 from the side being formed at head 511 are sprayed, therefore can suppress to apply uneven generation, form stable film at existing pipe inner face.
In addition, the position of drive portion 53 between spray painting portion 51 and drive portion 53 makes coating provide pipe 3(the 1st coating flexible pipe 31a, the 2nd coating flexible pipe 32b) bending, therefore can change the direction in spray painting portion 51 self to change the spraying direction of coating according to the curved part of existing pipe, also can stablize the action in the spray painting portion 51 by curved part.Particularly, as long as spray painting portion 51 makes the work of drive portion 53 start and to make coating provide pipe 3(the 1st application flexible pipe 31a, the 2nd application flexible pipe 31b before entering curved part) curvature slowly change, just significantly can reduce the collision of the existing pipe inner face to spray painting portion 51.Thus, the inside surface coating carrying out curved part can be stablized equally with line part, can holiday be prevented.In addition, the breakage etc. in spray painting portion 51 can also be avoided.
And, the the 1st, the 2nd spring 535a, 535b that a pair drive wire 531a, 531b that spray painting portion 51 is fixed in drive portion 53 pairs of one end carry out rolling, unreel to make the 1st, the 2nd coating flexible pipe 31a, 31b and they are remained straight line shape bends, and the 1st, the 2nd coating flexible pipe 31a, 31b therefore can be made to bend at steady-state to 2 different directions.Thus, the spraying direction of coating can be changed according to the direction (posture) in the curved part change spray painting portion 51 of existing pipe.
In addition, use a pair detection line 551a, 551b and be connected respectively to the end of this pair detection line 551a, 551b, pair of switches 555a, the 555b of conducting or cut-off when be connected detection line bends more than established amount to detect the curved part of existing pipe, therefore cause misoperation by noise etc. hardly, can stablize and detect the curved part of existing pipe exactly.
In addition, in the above-described embodiment, the coating that the employing of 2 coating flexible pipes (the 1st coating flexible pipe 31a, the 2nd coating flexible pipe 31b) has a structure of the inner side being incorporated in outside flexible pipe 33 provides pipe 3.But coating provides the formation of pipe to be not limited thereto.Such as, as shown in Figure 7, also can assemble the 1st coating flexible pipe 31a of specific length (such as 2 ~ 3m) and the 2nd coating flexible pipe 31b on the top of the large main flexible tube 36 of diameter by ABAP Adapter 37 to form coating pipe 300 is provided.In this case, coating detecting sensor 35 not being configured in any one in 2 application flexible pipes but being configured in main flexible tube 36, the assembling of coating detecting sensor 35 becomes easy.
In addition, also above-mentioned pulling cable can not be configured at coating element 5, but be configured at ABAP Adapter 37.So also can obtain the effect same with above-mentioned mode of execution, effect.
Be explained above embodiments of the present invention (and variation), but the invention is not restricted to above-mentioned mode of execution, various distortion and change can be carried out according to technological thought of the present invention.That is, as long as namely the curved part being configured at least detect existing pipe is contained in scope of the present invention to the painting device of the existing pipe inner face changing the spraying direction of coating.
description of reference numerals
3: coating provides pipe, 5: coating element, 7: delivery device (shifter), 10: existing pipe, 10a, b: curved part, 31a, b: application flexible pipe, 33: outside flexible pipe, 35: coating detecting sensor, 51: spray painting portion, 53: drive portion, 55: control device, 71: drive roller, 73: driven roller, 511: head, 513: motor (the 1st motor), 517: motor box, 531a, b: drive wire, 533: the main part of drive portion, 535a, b: helical spring (spring retaining member), 540: driving mechanism, 551a, b: detection line, 555a, b: switch.
Claims (10)
1. a painting device for existing pipe inner face, possesses:
Coating provides pipe, and it has flexibility, is inserted in existing pipe;
Spray painting portion, it is assemblied in the tip portion that above-mentioned coating provides pipe, by the spray painting that provides pipe to provide by this coating inner face to above-mentioned existing pipe;
Shifter, it makes above-mentioned coating spraying portion at above-mentioned existing in-pipe;
Detection unit, it detects the curved part of above-mentioned existing pipe; And
Drive portion, its testing result based on above-mentioned detection unit and working, changes the direction of above-mentioned coating spraying portion spraying above-mentioned coating.
2. the painting device of existing pipe inner face according to claim 1,
Above-mentioned drive portion is configured in the rear end side providing pipe than above-mentioned coating spraying portion by above-mentioned coating,
Make the above-mentioned coating between this drive portion and above-mentioned coating spraying portion provide the bend portions of pipe, change the direction of above-mentioned coating spraying portion spraying above-mentioned coating thus.
3. the painting device of existing pipe inner face according to claim 2,
Above-mentioned drive portion is started working from before the above-mentioned coating spraying portion of above-mentioned existing in-pipe is about to enter above-mentioned curved part, make above-mentioned coating provide the curvature of the part of pipe slowly to change, and before above-mentioned coating spraying portion is about to exceed above-mentioned curved part, makes above-mentioned coating provide the part of pipe to return original state.
4. the painting device of existing pipe inner face according to claim 2,
Above-mentioned drive portion possesses:
A pair drive wire, its one end is individually fixed in above-mentioned coating spraying portion;
Main part, it is built-in with driving mechanism, and the other end of above-mentioned a pair drive wire is connected to above-mentioned driving mechanism, above-mentioned driving mechanism carry out this pair drive wire rolling, unreel; And
Spring retaining member, it provides the part of pipe in the inner side above-mentioned coating of storage between aforementioned body portion and above-mentioned coating spraying portion, makes this part keep straight line shape, and energy bending deflection,
Above-mentioned driving mechanism makes above-mentioned coating provide pipe and above-mentioned spring retaining member bending to the 1st direction by making the side's drive wire rolling in above-mentioned a pair drive wire and making the opposing party's drive wire unreel, on the other hand, above-mentioned driving mechanism makes above-mentioned coating provide pipe and above-mentioned spring retaining member bending to 2nd direction contrary with above-mentioned 1st direction by making the rolling of above-mentioned the opposing party's drive wire and making one side drive wire unreel.
5. the painting device of existing pipe inner face according to claim 4,
Above-mentioned coating provides pipe to adopt 2 coating flexible pipes,
Possess retaining member, this retaining member at least makes above-mentioned 2 coating flexible pipes keep the state be separated from each other from the interval of above-mentioned tip portion to the assigned position than above-mentioned drive portion side rearward,
In the cross section orthogonal with the tubular axis of above-mentioned existing pipe, by line connected to each other for the kernel of section of above-mentioned 2 coating flexible pipes and line connected to each other for the kernel of section of above-mentioned a pair drive wire is roughly orthogonal.
6. the painting device of existing pipe inner face according to claim 1,
Above-mentioned shifter makes above-mentioned coating spraying portion upstream move side from the downstream side of above-mentioned existing pipe by the above-mentioned coating be inserted in above-mentioned existing pipe being provided pipe tractive.
7. the painting device of existing pipe inner face according to claim 6,
Above-mentioned detection unit is configured at the rear end side providing pipe than above-mentioned drive portion by above-mentioned coating,
Above-mentioned detection unit possesses:
A pair detection line, its one end is individually fixed in above-mentioned drive portion; And
Pair of switches, it respectively connected the other end of above-mentioned a pair detection line, conducting or cut-off time more than connected detection line flexure established amount,
When by above-mentioned curved part, either party in above-mentioned a pair detection line is connected to the inner face of the curved interior of above-mentioned existing pipe and bends more than afore mentioned rules amount, detects curved part and the bending direction of above-mentioned existing pipe thus.
8. the painting device of existing pipe inner face according to claim 7,
Above-mentioned coating provides pipe to adopt 2 coating flexible pipes,
Possess retaining member, this retaining member at least makes above-mentioned 2 coating flexible pipes keep the state be separated from each other from the interval of above-mentioned tip portion to the assigned position than above-mentioned drive portion side rearward,
In the cross section orthogonal with the tubular axis of above-mentioned existing pipe, by line connected to each other for the kernel of section of above-mentioned 2 coating flexible pipes and line connected to each other for the kernel of section of above-mentioned a pair detection line is roughly orthogonal.
9. the painting device of existing pipe inner face according to claim 1,
The coating detecting sensor being provided with the arrival detecting above-mentioned coating from the position that above-mentioned tip portion is the rear end side of established amount in pipe is provided in above-mentioned coating.
10. the painting device of the existing pipe inner face according to any one in claim 1 to 9,
Above-mentioned coating spraying portion possesses:
The head of bottomed cylindrical, is formed with multiple through hole in its side; And
Motor, it makes above-mentioned end rotation,
Make above-mentioned end rotation by said motor, utilize centrifugal force sprayed from above-mentioned multiple through hole by the coating be provided in above-mentioned head and spray to the inner face of above-mentioned existing pipe thus.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010187933 | 2010-08-25 | ||
| JP2010-187933 | 2010-08-25 | ||
| PCT/JP2011/069045 WO2012026489A1 (en) | 2010-08-25 | 2011-08-24 | Device for painting inner surface of existing pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103069205A CN103069205A (en) | 2013-04-24 |
| CN103069205B true CN103069205B (en) | 2015-04-01 |
Family
ID=45723482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180041195.9A Expired - Fee Related CN103069205B (en) | 2010-08-25 | 2011-08-24 | Device for painting inner surface of existing pipe |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5270768B2 (en) |
| KR (1) | KR20130066673A (en) |
| CN (1) | CN103069205B (en) |
| WO (1) | WO2012026489A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548709A (en) * | 2014-11-03 | 2016-05-04 | 中泰致远(天津)涂料有限公司 | Paint detection system |
| CN107803291A (en) * | 2016-09-07 | 2018-03-16 | 四川海隆石油技术有限公司 | Anti-corrosion spray device in bend pipe |
| CN108799691A (en) * | 2017-05-02 | 2018-11-13 | 湖南前鑫管业有限公司 | Pipeline maintenance device |
| CN109025883A (en) * | 2017-06-09 | 2018-12-18 | 中国石油化工股份有限公司 | A kind of quick casing remodeling device and method |
| US11376618B2 (en) | 2018-03-07 | 2022-07-05 | Carlisle Fluid Technologies, Inc. | Systems and methods for status indication of fluid delivery systems |
| CN111054556B (en) * | 2019-12-30 | 2021-04-20 | 武昌船舶重工集团有限公司 | Paint spraying and coating device for closed cabin |
| CN112756156B (en) * | 2020-12-28 | 2022-06-03 | 河北方泉管道装备有限公司 | Intraductal spraying device suitable for return bend |
| CN113600431B (en) * | 2021-06-23 | 2022-10-14 | 哈尔滨工业大学 | Compact type polishing and coating head swinging device with long-span steel wire rope traction rear-mounted device |
| JP7265657B1 (en) | 2022-02-02 | 2023-04-26 | 太平電業株式会社 | suction device |
| CN115283160B (en) * | 2022-09-30 | 2022-12-13 | 江苏捷达离心机制造有限公司 | Spraying device for manufacturing centrifugal machine |
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- 2011-08-24 KR KR1020137007374A patent/KR20130066673A/en not_active Application Discontinuation
- 2011-08-24 WO PCT/JP2011/069045 patent/WO2012026489A1/en active Application Filing
- 2011-08-24 CN CN201180041195.9A patent/CN103069205B/en not_active Expired - Fee Related
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| US4602591A (en) * | 1984-05-25 | 1986-07-29 | Shinichi Matsuda | Lining apparatus for pipes |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103069205A (en) | 2013-04-24 |
| KR20130066673A (en) | 2013-06-20 |
| JP5270768B2 (en) | 2013-08-21 |
| WO2012026489A1 (en) | 2012-03-01 |
| JPWO2012026489A1 (en) | 2013-10-28 |
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