CN201713076U

CN201713076U - High-sealing polyethylene plastic steel composite roller

Info

Publication number: CN201713076U
Application number: CN2010202557572U
Authority: CN
Inventors: 张学忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-09
Filing date: 2010-07-09
Publication date: 2011-01-19
Anticipated expiration: 2020-07-09

Abstract

The utility model relates to a high-sealing polyethylene plastic steel composite roller, which includes a roller pipe body. Bearings are arranged in bearing pedestals at two ends of the roller pipe body; an inner sealing ring and a labyrinth type sealing ring are respectively sleeved on two sides of each bearing; a shield is installed on the outer side of each bearing pedestal; a polyethylene roller leather is sleeved outside the roller pipe body; annular polyethylene end covers are respectively arranged on the outer sides of shields at two ends of the pipe body; the end covers are fixedly and integrally connected with the polyethylene roller leather; an O-shaped sealing ring is installed on the inner periphery of each end cover; and a rubber sealing ring is arranged on the outer side of end cover. The high-sealing polyethylene plastic steel composite roller has the properties of shocking resistance, wear resistance, self lubrication, chemical corrosion resistance, and the like, and the water and dust prevention of the bearings can be realized more effectively, and the service life of the bearings can be prolonged comparatively; and the high-sealing polyethylene plastic steel composite roller can be recycled, so that the use cost of the roller is reduced, and the roller is environment-friendly and energy-saving.

Description

The compound carrying roller of high sealing polyethylene plastic-steel

Technical field

The utility model relates to the compound carrying roller that uses on a kind of belt load transfer device, the compound carrying roller of particularly a kind of high sealing polyethylene plastic-steel.

Background technology

At present the carrying roller kind of using on the belt load transfer device is a lot, and steel, pottery, tetrafluoro, nylon etc. are arranged, and use the most general still steel with pottery.The steel carrying roller is perishable, not wear-resisting, easily bonding scratches the danger of belt in addition, though and carrier roller is more wear-resisting than steel carrying roller, but its weight is big, increase the labour intensity of maintain and replace, and not shock-resistant, frangible, in the carrying roller use, it is poorly sealed that the damage of most carrying rollers is Idler bearing, and bearing is easily by water and contamination by dust.

Summary of the invention

The utility model is at deficiency of the prior art, and a kind of anticorrosion antiwear, the compound carrying roller of in light weight, impact-resistant high sealing polyethylene plastic-steel are provided.

Realize that the technical scheme that above-mentioned purpose adopts is: the compound carrying roller of a kind of high sealing polyethylene plastic-steel, comprise idler pipe, bearing all is housed in the bearing seat at these idler pipe two ends, the bearing both sides are respectively installed with inner seal ring and labyrinth type seal ring, and door all is equipped with in the outside of bearing seat, the outer cover of described idler pipe is equipped with polyethylene roller skin, and the door outside at described body two ends is equipped with annular polyethylene end cap, and described end cap all fixes as one with polyethylene roller skin; On the described end cap inner periphery O RunddichtringO is housed, the end cap outside is provided with rubber seal.

Compared with prior art, the utility model appearance is a ultra high molecular polyethylene roller skin, the mean molecular weight of ultra-high molecular weight polyethylene (UHMW-PE) about 350,000～8,000,000, have performances such as excellent shock-resistant, wear-resistant, self lubricity, resistance to chemical attack because of mol wt is high, so the utility model more is applicable to soda acid industries such as Coal Chemical Industry, saltern; The utility model is aspect the protection of bearing, except traditional labyrinth seal, between axle, install the O RunddichtringO at end cap additional in addition, the end cap outside adds rubber seal ring one, the built-in butter of seal ring, Idler bearing is carried out triple protection,, prolong the service life of bearing relatively to be able to more effective protection bearing waterproof and dustproof; The utility model can recycle, and after using some cycles, outer roller shelling decreases serious, can remove outer layer polyethylene roller skin, puts new polyethylene roller skin once more, has reduced the use cost of carrying roller greatly, environmental protection, energy-conservation.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the sectional side view of end cap.

Among the figure: O RunddichtringO 1, roller carrier shaft 2, trip ring 3, end cap 4, door 5, labyrinth

type seal ring

6,7, polyethylene roller skin 8, idler pipe 9, bearing seat 10, inner seal ring 11, bearing 12, rubber seal ring 13, butter chamber 14.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Referring to accompanying drawing 1-2, in the present embodiment, the compound carrying roller of this high sealing polyethylene plastic-steel comprises idler pipe 9, and the center of this idler pipe 9 is provided with runs through body in-to-in roller carrier shaft 2.In the bearing seat 10 at these idler pipe 9 two ends bearing 12 is housed all, bearing seat 10 is the ram axle bearing, bearing 12 both sides are respectively installed with inner seal ring 11 and labyrinth

type seal ring

6,7, and the outside of bearing seat 10 all is equipped with door 5, this door 5 all with bearing seat 10 leak-tight joints.The outer cover of idler pipe 9 is equipped with polyethylene roller skin 8, the outside of the door 5 at body 9 two ends is equipped with annular polyethylene end cap 4, end cap 4 all fixes as one with polyethylene roller skin 8, because the particularity of material, affixed mode between end cap 4 and the roller skin 8 is a hot melt adhesion, is provided with trip ring 3 between door 5 and the end cap 4.O RunddichtringO 1 is housed on the inner periphery of end cap 4, and this O RunddichtringO 1 also is the rubber material, and this O RunddichtringO and roller carrier shaft 2 fit tightly.The outside of end cap 4 is provided with rubber seal 13, and these rubber seal ring 13 spiral-locks are on end cap 4, and the two constitutes a cavity as butter chamber 14, guarantees the leak tightness of the inside bearing.

In the present embodiment; the preparation process of this carrying roller is: adopt the GB welded tube to be processed into idler pipe 9 through boring machine; the ram axle bearing 10 of packing into; adopt CO2 gas shield arc welding connect as a whole after; with roller carrier shaft 2 covers therein; the inner seal ring 11 of packing into successively at the axle two ends, bearing 12, labyrinth type combined

sealing ring

6 and 7; door 5; use trip ring 3 that it is locked then, then polyethylene roller skin 8 and idler pipe 9 interference fit are fitted together, both sides pack into successively O RunddichtringO 2 and polyethylene end cap 4; 4 and 9 hot melts are as a whole; in butter chamber 14, add an amount of butter, put rubber seal ring 13 at last, finish whole assembling of the present utility model.Can reach the existing carrying roller universal standard by adjusting the wall thickness of polyethylene roller skin 8.For example the external diameter of idler pipe 9 is 89 millimeters, and the cover wall thickness is that the external diameter of this compound carrying roller can reach 108 millimeters after 9 millimeters polyethylene roller skins 8.

Claims

1. compound carrying roller of high sealing polyethylene plastic-steel, comprise idler pipe, bearing all is housed in the bearing seat at these idler pipe two ends, the bearing both sides are respectively installed with inner seal ring and labyrinth type seal ring, and door all is equipped with in the outside of bearing seat, it is characterized in that, the outer cover of described idler pipe is equipped with polyethylene roller skin, the door outside at described body two ends is equipped with annular polyethylene end cap, and described end cap all fixes as one with polyethylene roller skin; On the described end cap inner periphery O RunddichtringO is housed, the end cap outside is provided with rubber seal.