CN103521382A

CN103521382A - Dust extraction pipeline with retractable idler wheels

Info

Publication number: CN103521382A
Application number: CN201310480790.3A
Authority: CN
Inventors: 王彦怀; 习杰; 张梦琳; 徐彦霞; 张义军
Original assignee: Xinxing Hebei Engineering Technology Co Ltd
Current assignee: Xinxing Hebei Engineering Technology Co Ltd
Priority date: 2013-10-15
Filing date: 2013-10-15
Publication date: 2014-01-22
Anticipated expiration: 2033-10-15
Also published as: CN103521382B

Abstract

The invention discloses a dust extraction pipeline with retractable idler wheels, and relates to the technical field of cast iron pipe spraying equipment. The dust extraction pipeline with the retractable idler wheels comprises a fixed branch pipe and a first movable branch pipe, wherein the fixed branch pipe and the first movable branch pipe are arranged horizontally, the first movable branch pipe is inserted in the fixed branch pipe, and more than two idler wheel devices are fixed on the inner wall of the lower half part of a pipe orifice in the inserted end of the first movable branch pipe. Each idler wheel device comprises an idler wheel support and one idler wheel, wherein the idler wheel is arranged on a hinged shaft of the idler wheel support and makes contact with the inner surface of the fixed branch pipe, the axis of the hinged shaft is perpendicular to the axis of the first movable branch pipe, and the exposed end portion of the first movable branch pipe is connected with a flatcar. The first movable branch pipe stretches out and draws back easily through the idler wheel devices, the first movable branch pipe moves along with the movement of the flatcar, the dust extraction pipeline stretches out and draws back in a tracking mode while working along with a spray gun, and therefore the situation that sprayed mist is leaked outside and pollutes the working environment can be prevented. The dust extraction pipeline with the retractable idler wheels has the advantages of being simple and reasonable in structure, convenient to use, stable in running, and capable of prolonging service life.

Description

The telescopic cleaning shaft of roller

Technical field

The present invention relates to cast iron pipe spraying equipment technical field.

Background technology

Ductile iron pipe, in order to prevent corrosion, sprays zinc and spraying pitch in pipe outside.Equipment formation mostly generally is two top two ends clamping balls graphite cast iron pipes and makes its rotation; pipe top is established a flatcar and is axially moved around along ductile iron pipe; flatcar lower part series has spray gun; the holder of flatcar top has telescopic cleaning shaft; spray gun is along with the movement of flatcar completes spray painting operation; be fixed on the vaporific particle producing when cleaning shaft on flatcar can be used for spraying operation and extract out, improve air quality, protection operating personnel healthy of operating space.Two or three section of shell ring of the general employing of cleaning shaft is set with flexible, shell ring quantity is carried out specific design according to the length of cast iron pipe, if it is flexible to adopt simple two or three section of shell ring to be set with, and is first the heavy wear that can cause between shell ring, secondly can produce larger resistance to flatcar motion.

Summary of the invention

Technical problem to be solved by this invention be to provide a kind of simple and reasonable, easy to use, operate steadily, can extend the cleaning shaft telescopic cleaning shaft of roller in service life

For solving the problems of the technologies described above, the technical solution used in the present invention is:

The telescopic cleaning shaft of a kind of roller, comprise fixedly arm, the first movable arm, described fixedly arm and the first movable arm are horizontally disposed with, described the first movable arm is inserted into fixedly in arm, on the insertion end mouth of pipe Lower Half inwall of described the first movable arm, fix plural roller devices, described roller devices comprises rolling wheel support and roller, described roller is arranged on the hinge of rolling wheel support, described roller contacts with a fixing pipe internal surface, the axis of hinge is vertical with the axis of the first movable arm, the end peace car that exposes of described the first movable arm connects.

Preferably, in described the first movable arm, be also inserted with the second movable arm, on the insertion end mouth of pipe Lower Half inwall of described the second movable arm, be also fixed with plural roller devices, the end peace car that exposes of described the second movable arm connects.

Preferably, the peaceful car syndeton in end that exposes of described the first movable arm, the second movable arm is that what expose end is provided with bracing frame below, and support guide wheel is housed on bracing frame, on flatcar, be fixed with rectilinear orbit, described support guide wheel and this rectilinear orbit are slidably matched.

Preferably, described rectilinear orbit is the angle bar that Open Side Down.

Preferably, described roller devices is three covers, and foot is a set of, and both sides are that each is a set of for the angle of 60 °.

Preferably, the exposed junction of described fixedly arm, the first movable arm is equipped with sealing device, described sealing device comprises the first flange, sealing ring and the second flange, described the first flange is all welded on the outer wall of fixing arm or the first movable arm, sealing ring is arranged between the first flange and the second flange, and the first flange and the second flange are fastening by sealing ring by bolt pair.

The beneficial effect that adopts technique scheme to produce is: by being fixed on the first movable arm, it is easily flexible that the roller devices of second movable tube end is realized the first movable arm or the second movable arm, can extend the service life of telescopic steel pipe simultaneously, the first movable arm or the second movable arm mouth of pipe arrange three cover roller devices can guarantee between two steel pipes stationarity when flexible, first rolls the first flange and the second flange that steel pipe and second rolls the exposed junction setting of steel pipe carries out the fastening seal that can meet container by bolt pair by sealing ring, prevent the pollution working environment that leaks of spraying, support wheel below the exposed junction portion of the first movable arm or the second movable arm slides and can reduce the resistance in device moving process on guide rail.That the present invention has advantages of is simple and reasonable, easy to use, operate steadily, can extend cleaning shaft service life.

Accompanying drawing explanation

Fig. 1 is a most preferred embodiment structural representation of the present invention;

Fig. 2 be Fig. 1 to view;

Fig. 3 is the cutaway view of Fig. 1;

In figure: 1-is arm fixedly, the movable arm of 2-first, 3-the first flange, 4-sealing ring, 5-the second flange, 6-roller devices, 61-rolling wheel support, 62-roller, the movable arm of 7-second, 71-bracing frame, 72-supports guide wheel, 8-rectilinear orbit, 9-flatcar.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.

As Fig. 1, 2, the telescopic cleaning shaft of a kind of roller shown in 3, comprise fixedly arm 1, the first movable arm 2, described fixedly arm 1 and the first movable arm 2 are horizontally disposed with, during use, first fixing arm 1 is fixed on to the top of ductile iron pipe outer wall spraying equipment, again the first movable arm 2 is inserted into fixedly in arm 1, and fixedly arm 1 and the first movable arm 2 are matched in clearance, on the insertion end mouth of pipe Lower Half inwall of described the first movable arm 2, fix plural roller devices 6, described roller devices 6 comprises rolling wheel support 61 and roller 62, described roller 62 is arranged on the hinge of rolling wheel support 61, described roller 62 contacts with fixing arm 1 inner surface, the axis of hinge is vertical with the axis of the first movable arm 2, the end peace car 9 that exposes of described the first movable arm 2 links together.For the longer ductile iron pipe of length, can in the first movable arm 2, be inserted with again the second movable arm 7, on the insertion end mouth of pipe Lower Half inwall of described the second movable arm 7, be also fixed with plural roller devices 6, the end peace car 9 that exposes of described the second movable arm 7 connects.

End peace car 9 syndetons that expose of described the first movable arm 2 and the second movable arm 7 are, what expose end is provided with below bracing frame 71, on bracing frame 71, be equipped with and support guide wheel 72, on flatcar 9, be fixed with rectilinear orbit 8, described support guide wheel 72 is slidably matched with this rectilinear orbit 8, and support wheel 72 can move along the rectilinear orbit 8 being fixed on flatcar 9.Support wheel 72 slides and can reduce the resistance in device moving process on rectilinear orbit 8, and described rectilinear orbit 8 can utilize the angle bar back side that Open Side Down to realize the guide effect of support wheel 72.

Described roller devices 6 is three covers, foot is a set of, both sides are that each is a set of for the angle of 60 °, so layout can make the first movable arm 2 under Action of Gravity Field, rely on the support of three cover roller devices 6 to realize flexible stationarity, reduce the fixedly frictional force between arm 1 and the first movable arm 2 of movable arm 2, first and the second movable arm 7, and then extended the fixedly service life of the movable arm 2 of arm 1, first and the second movable arm 7.

The exposed junction of described fixedly arm 1 and the first movable arm 2 is equipped with sealing device, described sealing device comprises the first flange 3, sealing ring 4 and the second flange 5, described the first flange 3 is all welded on the fixedly right-hand member outer wall of arm 1 and the first movable arm 2, sealing ring 4 is arranged between the first flange 3 and the second flange 5, and the first flange 3 and the second flange 5 are fastening by sealing ring 4 by bolt pair.Utilization is arranged on the fixedly sealing ring 4 of the movable arm 2 of arm 1, first and the second movable arm 7 exposed junctions and can avoids spraying to leak, and improves the air quality of operating space, and protection operating personnel's is healthy.

During concrete enforcement, by all fixing three roller devices 6 on the first movable arm 2 of interpolation and the insertion end mouth of pipe Lower Half inwall of the second movable arm 7 successively, roller 62 is rolled on the inner surface of fixedly arm 1 and the first movable arm 2, the support wheel 72 that the exposed junction portion of the first movable arm 2 and the second movable arm 7 arranges below rolls along rectilinear orbit 8 in its lower section, such the first movable arm 2 and the second movable arm 7 just can be realized level and move around under the dragging of flatcar, thereby realize fixedly arm 1, stretching of the cleaning shaft that the first movable arm 2 and the second movable arm 7 form, recycling is welded the first flange 3, sealing ring 4 is set at the fixedly movable arm 2 of arm 1, first and the second movable arm 7 right-hand member exposed junctions, by bolt pair and the second flange 5, sealing ring 4 is fixed, and can prevent that the spray gas in cleaning shaft from revealing in a large number.

This kind of structure is preferred forms, also can design 4 steel pipes according to the length of cast iron pipe and be set with, and guide rail 8 also can adopt other structures to realize the linear slide that supports guide wheel 72.Every improvement of carrying out on the basis of technical solutions of the utility model and equivalents, all should not get rid of outside protection domain of the present utility model.

Claims

1. the telescopic cleaning shaft of roller, comprise fixedly arm (1), the first movable arm (2), described fixedly arm (1) and the first movable arm (2) are horizontally disposed with, described the first movable arm (2) is inserted into fixedly in arm (1), it is characterized in that: on the insertion end mouth of pipe Lower Half inwall of described the first movable arm (2), be fixed with 2 above roller devices (6), described roller devices (6) comprises rolling wheel support (61) and roller (62), described roller (62) is arranged on the hinge of rolling wheel support (61), described roller (62) contacts with fixing arm (1) inner surface, the axis of hinge is vertical with the axis of the first movable arm (2), the end peace car (9) that exposes of described the first movable arm (2) connects.

2. the telescopic cleaning shaft of roller according to claim 1, it is characterized in that: in described the first movable arm (2), be also inserted with the second movable arm (7), on the insertion end mouth of pipe Lower Half inwall of described the second movable arm (7), be also fixed with 2 above roller devices (6), the end peace car (9) that exposes of described the second movable arm (2) connects.

3. the telescopic cleaning shaft of roller according to claim 1 and 2, it is characterized in that: end peace car (9) syndeton that exposes of described the first movable arm (2), the second movable arm (7) is, what expose end is provided with below bracing frame (71), on bracing frame (71), be equipped with and support guide wheel (72), on flatcar (9), be fixed with rectilinear orbit (8), described support guide wheel (72) is slidably matched with this rectilinear orbit (8).

4. the telescopic cleaning shaft of roller according to claim 3, is characterized in that: described rectilinear orbit (8) is the angle bar that Open Side Down.

5. the telescopic cleaning shaft of roller according to claim 1 and 2, is characterized in that: described roller devices (6) is three covers, and foot is a set of, and both sides are that each is a set of for the angle of 60 °.

6. the telescopic cleaning shaft of roller according to claim 1 and 2, it is characterized in that: described fixedly arm (1), the exposed junction end of the first movable arm (2) is equipped with sealing device, described sealing device comprises the first flange (3), sealing ring (4) and the second flange (5), described the first flange (3) is all welded on the outer wall of fixing arm (1) or the first movable arm (2), sealing ring (4) is arranged between the first flange (3) and the second flange (5), the first flange (3) and the second flange (5) are fastening by sealing ring (4) by bolt pair.