Cannot leave in project and product now anticorrosive with adornment besmear is installed, coating damaged want to maintain, colour is dated want face-lifting, to conduit character also is such. Now, what anticorrosive overburden uses petroleum pitch, coal tar outside inchoate conduit enamel and cold pester the backward craft such as adhesive plaster to already was washed out gradually, begin to exit an international market, nowadays progressively by oxygen of the annulus that do not have dissolve preservative coating replaces the preservative coating such as original petroleum pitch, such although we also want to be opposite ceaselessly regularly below conduit job status oil government appearance undertakes clearing changing preventing corrupt coating. With respect to oil pipeline character, began to conduit of 3000 much kilometers enters maintenance period 2007, besmear brushs support former handmade means is annual and most can more than 300 kilometers control construction, this cannot satisfy the requirement that construction measures far, and cannot satisfy coating quality requirement far, bring about management to enter maintenance period ahead of schedule, create the vicious circle of the great waste of manpower, material resources, financial capacity.

Online rehabilitate besmear installs the conduit that besmears by Chongqing the Yangtse River Yang Gang of outfit machinery plant, Chen Zhiguo and Li Rui are developed equipment, the online rehabilitate of the outside face coating that its purpose depends on designing a kind to apply to the conduit such as oil, conduit besmears furnish has, wait to conduit have online repair, of great rate improve work efficiency and coating quality, replace completely brush besmear artificially, reduce cost.

This practical and new-style to achieve afore-mentioned goals, the design is following technical program:

The move back and forth of orgnaization of slippage of move back and forth slips fast setting 3 when 120 ° distributing equably automatic spray gun, slide block of move back and forth and orbit all are do not close circular arc paragraph, slide block of move back and forth passes arc rack and join of conjugate pinion clench the teeth by electric machinery of planetary gear decelerate.

For better effect, procrastinate move in the orgnaization trochlear the setting of drive electric machinery that go up has 120 ° all 6 includes Fu steel of cloth annulus, two are drive wheel, the others is directive wheel, directive wheel sets linkage mechanism, drive wheel is joined by planetary reducer chain wheel chain. Directive wheel passes linkage mechanism of air cylinder join, procrastinate move in the orgnaization trochlear to do not close circular arc paragraph, air cylinder holds firmly the wrap up on directive wheel and drive wheel gets together ammoniac fat balata.

The move back and forth that uses to contain 3 automatic spray gun is trochlear, 3 automatic spray gun are in trochlear semmetry of on 120 ° distributings, assemble and unassemble for the spot at the same time convenient, quick, trochlear do not close for 240 ° circular arc paragraph, when spray, trochlear move back and forth rotates 125 ° , rotate speed coming back is spent in 4r/min ～ 12r/min adjustable, the besmear of 3 spray gun the successive and circumferential coating that forms 360 ° . Trochlear on conduit walk by procrastinate move orgnaization drive, procrastinate move the drive electric machinery that orgnaization motivation is 1.1kW, 120 ° are had on its structure all the 6 bags Fu of cloth has get together the steel of ammoniac fat annulus, two are drive wheel, the others is directive wheel.
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