Background technique
Along with the fast development of China's economy, the total length of existing various pipes is very large, because the much under ground piping laying time is longer, and construction process at that time and pipe material poor, in running, these pipelines are crossed load, yielding of foundation or personal factor etc. due to burn into and are caused local damage throughout the year, there is the accidents such as road surface subsides, bring huge economic loss.Pipe repairing method conventional is at present liner repairing method, and the main technique technology of no-dig technique pipeline local route repair has Stainless Sheet Steel to weld liner and pipeline spraying liner.Stainless Sheet Steel welding Internal Lining Method feature: Stainless Sheet Steel is as supply pipe liner repair materials, it is corrosion-resistant, non-scaling, frictional resistance are little, nontoxic pollution-free, buried working life is longer than steel pipe and cast iron tube, but complicated construction technique, engineering cost is high, restrict by construction site, liner installs difficulty, needs hydrogen arc to weld, as air draft not in time in work progress, easily cause workmen to suffocate, there is certain safety in production hidden danger.Pipeline spraying Internal Lining Method feature: this method is cheap, corrosion resistance is strong, technique is simple, but requires high to the turbidity test of inner-walls of duct, if internal surface cleaning does not reach construction requirement or outside Groundwater infiltration pipeline can cause lining spalling; Cannot spray if hydraulic pressure is excessive in addition, in pipe, coating lining majority is thinner, limited etc. from voltage endurance capability.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides a kind of repairing effect good, and the pipe crack repairing device and restorative procedure that construction worker need not be arranged to slip in pipeline carry out keeping in repair.
Technological scheme provided by the invention is as follows: a kind of pipe crack repairing device, and it comprises:
The camera carrier loader that can walk in the duct, described camera carrier loader is provided with camera;
Inflatable and air bag repairing device, described air bag repairing device is connected by connecting tube and is arranged on the front of described camera carrier loader;
Multi-functional control car, described multi-functional control car is connected with described camera carrier loader with air supply pipe by cable, and described multi-functional control car can control the walking of described camera carrier loader and control the inflation action of described air bag repairing device;
Expansion circle, described intervolving of expansion circle is held in can be movable relatively setting, and described expansion snare is located on described air bag repairing device, and described air bag repairing device can drive the internal diameter expansion of described expansion circle in gas replenishment process;
Elastic seal ring, described seal ring is set on the outer wall of described expansion circle, and described seal ring can be pressed close to and contact inner-walls of duct under the drive of described expansion circle internal diameter expansion;
Self-locking body, described self-locking body is arranged on the circumferential inner wall of described expansion circle, and described self-locking body can form self-locking when described expansion circle starts to bounce back thus make the end that intervolves of described expansion circle stop relative movement.
In the preferred embodiment, generator, camera master control and air compressor is included in described multi-functional control car.
In the preferred embodiment, described self-locking body is set to two, described two self-locking bodies are separately positioned on described two of expanding circle and intervolve end, on the circumferential inner wall of described expansion circle, the position of corresponding described self-locking body is provided with slide rail, and described self-locking body slides on the inwall of described expansion circle along described slide rail in the process of described expansion circle internal diameter expansion.
In the preferred embodiment, described self-locking body comprises slide block and is arranged on three gears in described slide block.
In the preferred embodiment, the external tooth of the corresponding described gear of the track of described slide rail is set to flexuose.
In the preferred embodiment, described expansion circle is rolled by stainless steel sheets and forms, and two of described expansion circle intervolve end in can be movable relatively setting.
In the preferred embodiment, can be set to can the ratchet member of lock motion for described self-locking body.
The present invention also provides a kind of pipe crack restorative procedure, and it comprises the following steps:
1) on the ground seal ring is arranged on expansion circle;
2) air bag repairing device, expansion circle and camera carrier loader that camera is housed are put into inspection shaft;
3) by connecting tube, camera carrier loader is connected with air bag repairing device, and expansion circle is arranged on air bag repairing device;
4) air supply pipe of multi-functional control car, cable are connected with camera carrier loader;
5) controlled the walking of camera carrier loader by multi-functional control car, promote air bag repairing device by connecting tube in the process of camera carrier loader walking and move ahead in pipeline;
6) passed back the image in pipeline by the camera on camera carrier loader, when air bag repairing device moves to pipe crack position, control camera carrier loader and air bag repairing device stop moving ahead;
7) control air bag repairing device to inflate, the internal diameter expansion of expansion circle is driven in air bag repairing device gas replenishment process, thus seal ring is pressed close to and contacts inner-walls of duct crack location, when inner-walls of duct is close to by seal ring, discharges air pressure after keeping air pressure certain hour and air bag is bounced back;
8) expansion circle forms self-locking by self-locking body under air bag retraction trend, makes the internal diameter of expansion circle be fixed on special position and does not bounce back, thus make the seal ring on expansion circle be pressed abd fixed on the crack place of inner-walls of duct;
9) from inspection shaft, withdraw from camera carrier loader and air bag repairing device, expansion circle and seal ring to be stayed on inner-walls of duct thus completed pipeline rehabilitation work.
Step 3) in connecting tube be used for the airbag aeration in air bag repairing device.
Step 4) in multi-functional control car be used for powering to camera carrier loader, viewing camera carrier loader is passed image back and controls moving ahead and stopping of camera carrier loader, and for the inflation that controls air bag repairing device and the action of release air pressure.
The beneficial effect that the present invention produces is: carry out targeted duct crack location by arranging camera carrier loader, and by air bag repairing device and expansion circle, seal ring is close to pipe crack position, as long as reparation personnel are by camera carrier loader, air bag repairing device, expansion circle, inspection shaft put into by seal ring, and time terrestrial operation multi-functional control car just can realize the control to camera carrier loader and air bag repairing device, and not needing to pour into tackiness agent bonding after seal ring has been located makes seal ring be bonded on inner-walls of duct, but by the self-locking body in expansion circle and expansion circle, seal ring is pressed abd fixed on inner-walls of duct.Therefore this pipe crack repairing device has and repairs convenient and that repairing effect is good advantage.
Embodiment
See Fig. 1, pipe crack repairing device, the camera carrier loader 40 comprise multi-functional control car 10, being connected by cable 30 with air supply pipe 20 with multi-functional control car 10, camera carrier loader 40 is provided with camera 41, the front of camera carrier loader 40 is connected with air bag repairing device 60 by connecting tube 50, air bag repairing device 60 is arranged with expansion circle 70, expansion circle 70 is arranged with seal ring 80.
See Fig. 1, Fig. 2 and Fig. 3, expansion circle 70 is rolled by stainless steel sheets and forms, two ends of expansion circle 70 are in can relative movement arrange, expansion circle 70 is provided with two self-locking bodies 71 on the inwall of two ends, on the circumferential inner wall of expansion circle 70, the position of corresponding self-locking body 71 is provided with slide rail 72, and self-locking body 71 slides on the inwall of expansion circle 70 along slide rail 72 in the process of expansion circle 70 internal diameter expansion.Three gears 712 that self-locking body 71 comprises slide block 711 and is arranged in slide block 711, when expansion circle 70 is under the trend of retraction, three gears 712 make slide block 711 stop sliding on slide rail 72 thus the caliber of expansion circle 70 are fixed on special position not bounce back by the snap-in of respective external tooth.
In repair process, first on the ground seal ring 80 is arranged on expansion circle 70, then air bag repairing device 60 and the camera carrier loader 40 that camera 41 is housed are put into inspection shaft 93, expansion circle 70 is arranged on air bag repairing device 60, and by connecting tube 50, camera carrier loader 40 is connected with air bag repairing device 60, by the air supply pipe 20 of ground multi-functional control car 10, cable 30 is connected with camera carrier loader 40, the walking of camera carrier loader 40 is controlled by multi-functional control car 10, promote air bag repairing device 60 by connecting tube 50 in the process that camera carrier loader 40 is walked to move ahead in pipeline 90, after camera 41 on camera carrier loader 40 passes the image in pipeline back, air bag repairing device 60 is made to move to pipeline 90 crack location 91, then camera carrier loader 40 and air bag repairing device 60 are stopped, and control air bag repairing device 60 and inflate, the internal diameter expansion of expansion circle 70 is driven in air bag repairing device 60 gas replenishment process, thus make the seal ring 80 on expansion circle 70 press close to and contact inner-walls of duct crack location 91, when pipeline 90 inwall is close to by seal ring 80, discharging air pressure after keeping air pressure certain hour makes air bag bounce back, expansion circle 70 forms self-locking by self-locking body 71 under air bag retraction trend, make the internal diameter of expansion circle 70 be fixed on special position not bounce back, thus make the seal ring 80 on expansion circle 70 be close to the crack place 91 being fixed on pipeline 90 inwall, from inspection shaft 93, finally withdraw from camera carrier loader 40 and air bag repairing device 60, as shown in Figure 4, expansion circle 70 and seal ring 80 to be stayed on pipeline 90 inwall thus to complete pipeline rehabilitation work.
In other embodiments, also can be set to can the ratchet member of lock motion for self-locking body 70.
In sum, this pipe crack repairing device carrys out targeted duct crack location 91 by arranging camera carrier loader 40, and by air bag repairing device 60 and expansion circle 70, seal ring 80 is close to pipe crack position 91, as long as reparation personnel are by camera carrier loader 40, air bag repairing device 60, inspection shaft 93 put into by expansion circle 70 and seal ring 80, and time terrestrial operation multi-functional control car 10 just can realize the control to camera carrier loader 40 and air bag repairing device 60, and not needing to pour into tackiness agent bonding after seal ring 80 has been located makes seal ring 80 be bonded on pipeline 90 inwall, but by the self-locking body 71 in expansion circle 70 and expansion circle 70, seal ring 80 is pressed abd fixed on pipeline 90 inwall.Therefore this pipe crack repairing device has and repairs convenient and that repairing effect is good advantage.
Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.