CN2745893Y

CN2745893Y - Safety structural unit for preventing friction spark during rotation of roller and belt

Info

Publication number: CN2745893Y
Application number: CN 200420117425
Authority: CN
Inventors: 黄裕宏
Original assignee: KUNLIN INDUSTRIAL CO Ltd
Current assignee: KUNLIN INDUSTRIAL CO Ltd
Priority date: 2004-11-25
Filing date: 2004-11-25
Publication date: 2005-12-14
Anticipated expiration: 2014-11-25

Abstract

The utility model discloses a safety structural unit for preventing the friction spark during the rotation of a roller and a belt, which can be arranged on a bracket. The utility model is characterized in that the safety structural unit comprises a rolling wheel body, a bearing seat, an axle center and a fixed ring seat. Because the material of the rolling wheel body and the bearing seat can be the anti-static engineering plastic material and the combined point of the axle center and the bracket adds the special fixed ring seat with the priority fiber-strengthening engineering plastic, the belt of a belt conveyer and the rolling wheel body can generate the anti-static performance when the friction is produced, and the fatal spark can not be generated and the safety structural unit can have the advantage of low noise through the stable tight fit of the fixed ring seat and the bracket can be kept for long time.

Description

Prevent that roller and belt from producing the safety member of friction spark when rotating

Technical field

The utility model mainly provides a kind of roller and belt of preventing and produce the safety member of friction spark when rotating, more detailed it, be meant that especially a kind of belt of band conveyor and roller bodies can not produce static fully and have outside the friction spark when the friction running, have more the safety member of the excellent specific property of low noise.

Background technology

Generally all point out underground mining and shelter bridge hermetic type band conveyor according to report both domestic and external, by its transhipment tower near easily because of coal dust, coal dust excessive concentration and cause the quick-fried and fire of dirt, and wherein Ignition sources or thermal source include the spark that running causes, friction and static, for band conveyor, possible invar pipe and the long-term friction of rolling of belt and produce the accumulation appreciable static content, and roller axle center and carriage continue to knock the sparklet phenomenon of deriving easily because of build-up tolerance or abrasion, even because of bearing failure stuck, cause steel pipe and belt generation cliding friction, very easily cause a large amount of sparks, underground mining and shelter bridge hermetic type band conveyor etc. is had great safety worries.

Generally it all utilizes steel pipe and belt to cooperatively interact to transport down at the band conveyor of mining as can be known according to above-mentioned, it is quick-fried to be easy to generate very much dirt but the space that belt and steel pipe have the generation of static to be engaged in mining again under long-term friction easily has coal dust and coal dust to produce, and mining personnel's safety is caused anxiety.

The present utility model people is engaged in the exploitation of physical construction and studies for many years, and the understanding of certain degree is arranged for the constructional merits and faults of relevant appliance, and because of in recent years, the public hazard event of social environment still constantly takes place, mining personnel's safety can not get due guarantee, in view of this, the present utility model is done the people by studying improvement at above disappearance, hope can be developed a kind of roller and belt of preventing and produce the safety member of friction spark when being rotated, in view of the above, the present utility model people is in line with excelsior spirit, constantly works out thinking and goes through repeatedly test, and the utility model is finished in research finally.

The utility model content

Main purpose of the present utility model is to provide a kind of roller and belt of preventing to produce the safety member of friction spark when rotating, more detailed it, be meant that especially a kind of belt of band conveyor and roller bodies can not produce static fully and produce outside the friction spark when the friction running, more make it have the safety member of the excellent specific property of safety, low noise.

According to above-mentioned purpose, a kind of roller and belt of preventing described in the utility model produces the safety member of friction spark when rotating, it is to be installed on the carriage, its principal character includes roller bodies, bearing seat, the axle center, fixing ring seat, because of the material of its roller bodies and bearing seat is anlistatig engineering plastic material, and the first fibre strengthening engineering plastics that add particular design in axle center and bracket junction are ring seat fixedly, can make the belt of band conveyor and roller bodies when friction antistatic outside, more can utilize fixedly closely cooperating of ring seat and carriage stable for extended periods of time, make it can not produce fatal spark and have the excellent specific property of low noise.

A kind of roller and belt of preventing described in the utility model produces the safety member of friction spark when rotating, be to be installed on the carriage, and its principal character includes roller bodies, its be for cylinder and in be hollow form, and the in-to-in anchor ring is around having protruded out internal-rib; Bearing seat, it is to be cylindric, and outside anchor ring is surrounded with the corresponding groove of the internal-rib that protrudes out with roller bodies, and is equipped in the dual-side of roller bodies, this bearing seat centre is to be provided with through hole; The axle center, it is in the through hole that is arranged in bearing seat, and can link with roller bodies and pass through by bearing seat drive roller bodies, and is formed with corresponding groove on the lateral surface at two ends, axle center; Fixing ring seat, it is the aspect that is hollow, and inside is provided with that the corresponding groove of corresponding projection and two ends, axle center is fastened and and carriage mutually combine fixing;

Because of the material of roller bodies is that anlistatig High molecular weight polyethylene and belt rub for a long time to drive and can not produce or accumulate static fully, and the roller bodies inboard has the groove of internal-rib and bearing seat to be fastened, make it to prevent to lead the state that system is skidded because of pining down to lose efficacy, and because of being connected a fixing ring seat between carriage and axle center, more make its shock-resistant with the vibration and do not absorb water, more closely cooperating with the carriage stable for extended periods of time does not have the danger that steel and steel knock fully, thereby can not produce fatal spark and the quick-fried danger of dirt takes place.

Description of drawings

Fig. 1 is assembly drawing of the present utility model;

Fig. 2 is exploded view of the present utility model;

Fig. 3 is section-drawing of the present utility model;

Fig. 4 is the utility model three-dimensional assembly diagram.

The specific embodiment

For for purpose of the present invention, effect and structure, feature, more detailed clear and definite understanding is arranged, lift a preferred embodiment and cooperation now and illustrate as the back:

See also Fig. 1 and cooperate Fig. 2, Fig. 3, shown in Figure 4, it is respectively assembly drawing of the present utility model, exploded view of the present utility model, three-dimensional assembly diagram of the present utility model and A-A section-drawing of the present utility model.

As shown in Figure 1, the utility model is for a kind of roller and belt of preventing produces the safety member 1 of friction spark when rotating, and by roller bodies 10, bearing seat 11, axle center 12, fixedly ring seat 13 is combined;

As shown in Figure 2, this roller bodies 10, its be for cylinder and in be hollow form, and the in-to-in anchor ring is around internal-rib 100 design that protrudes out reinforcement;

Bearing seat 11, it is to be cylindric, and outside anchor ring is surrounded with the internal-rib 100 corresponding grooves 110 that protrude out with roller bodies 10, and is equipped in the dual-side of roller bodies 10, it is to be provided with through hole 111 that this axle is seat 11 centre;

Axle center 12, it is in the through hole 111 that is arranged in bearing seat 11, and can link with roller bodies 10 and pass through by bearing seat 11 drive roller bodies 10, and is formed with corresponding groove 120 on the lateral surface at 12 two ends, axle center;

Fixedly ring seat 13, and it is the aspect that is hollow, and inside is provided with corresponding projection 130 and the corresponding groove 120 in 12 two ends, axle center is fastened.

Cooperate Fig. 2 as can be known by Fig. 3, the safety member 1 of roller and belt generation friction spark when rotating that prevents of the present utility model is installed on the bracket 140 of band conveyor 14, and the material of this roller bodies 11 to be anlistatig High molecular weight polyethylene replaced general carbon steel pipes commonly used and add antisatic additive, make roller bodies 11 under the long-term mutually friction of belt 141 runnings with band conveyor 14 drives, even have and dust or the particle mutual friction situation that also can not produce or accumulate static fully mutually, and bearing seat 11 outside anchor rings are surrounded with the internal-rib 100 corresponding grooves 110 that protrude out with roller bodies 10, make it to have excellent in impact resistance and mechanical strength, and admitting of, even the also unlikely excessive localised load of bearing that causes of instantaneous overload than deep camber;

In addition, the adsorption power of roller bodies 11 itself is very low, and the surface is difficult for adhering to husky or other material in ore deposit, and water absorption rate is lower than 0.01%, roller bodies 11 surface energies keep clean for a long time in the environment of sub-terrain mines factory humidity, though a period of time do not turn round not yet can epiphytic algae, mushroom.And because roller bodies has surperficial incoherence; non-corrosive; therefore self-lubricity has excellent protection to the belt 141 of costliness; in addition; even in case roller bodies 11 can't be smooth-going on carriage 140 during running; can not damage belt 141 yet; therefore significantly prolong 141 service lifes of belt; and roller bodies 11 has impact energy absorption value the highest in the plastics; have the good damping and amortization and the self-lubricity of excellent benefit; thereby can bring into play good vibration damping erasure effect; running noise is significantly reduced; even bearing operation has some setbacks; following also can the performance that cooperatively interacts of roller bodies 11 and bearing seat 12 hanged down the characteristic that friction is a number; do not have occurrence of spark fully, cause the quick-fried generation of dirt, and then the safety around effectively protecting.

By Fig. 4 and cooperate Fig. 2 as can be known, its axle center 12 is in the through hole 111 that is arranged in bearing seat 11, and can link with roller bodies 10 and by driving roller bodies 10 by bearing seat 11, and be formed with on the lateral surface at 12 two ends, axle center corresponding groove 120 and and fixedly the projection 130 of ring seat 13 be fastened.

It is the fixing ring seat 13 of the 12 fibre strengthening engineering plastics that add particular design with the carriage junction in the axle center, its fixedly ring seat 13 be the aspect of various square type, its can be effectively shock-resistant with vibration and do not absorb water, more closely cooperate with carriage 140 stable for extended periods of time, the danger that no steel and steel knock, thereby can not produce fatal spark fully and the quick-fried danger of dirt takes place.

From the above, it prevents that roller and belt from producing the safety member 1 of friction spark when rotating, have good antistatic property and resistance to abrasion height, the good splendid any abominable conveying environment that is applicable to of anti-corrosive properties.

The utlity model has following advantage as can be known according to above-mentioned:

1. roller and the belt of preventing described in the utility model produces the safety member 1 of friction spark when rotating, its roller body has anlistatig effect, and rubbing for a long time with belt drives down, can not produce fully or accumulates static and cause spark generation dirt quick-fried.

2. roller and the belt of preventing described in the utility model produces the safety member 1 of friction spark when rotating, its roller body is to have impact energy absorption value the highest in the plastics, have the good damping and amortization and the self-lubricity of excellent benefit, thereby can bring into play good vibration damping erasure effect, running noise is significantly reduced.

3. roller and the belt of preventing described in the utility model produces the safety member 1 of friction spark when rotating, its roller body adsorption power is very low, and the surface is difficult for adhering to ore in sand form or other material, the significantly prolongation belt service life that makes.

4. roller and the belt of preventing described in the utility model produces the safety member 1 of friction spark when rotating, its roller body and bearing seat have the tight joint as concavo-convex, and can effectively preventing of making causes skidding because of pining down inefficacy.

5. roller and the belt of preventing described in the utility model produces the safety member 1 of friction spark when rotating, it has the fibre strengthening engineering plastics permanent seat that adds a particular design in axle center and carriage junction, the abrasive resistance height, do not absorb water, shock-resistant and vibration can with the closely cooperating of carriage stable for extended periods of time, and do not have the doubt that produces fatal spark fully.

Comprehensively above-mentioned, the utility model has splendid progressive practicality in fact in like product, simultaneously all over looking in the domestic and international technical data document about this class formation, find no identical approximate structure and exist formerly, should meet the patent requirement of " creativity ", " closing " and " progressive " in industry applications.

The above only is a preferred embodiment of the present utility model, changes so use the equivalent structure that the utility model illustrates and claim is done such as, ought to be included in the patented invention of this patent.

Claims

1, a kind of roller and belt of preventing produces the safety member of friction spark when rotating, and is to be installed on the carriage, it is characterized in that, includes:

Roller bodies: its be for cylinder and in be hollow form, and the in-to-in anchor ring is around having protruded out internal-rib;

Bearing seat: it is to be cylindric, and outside anchor ring is surrounded with the corresponding groove of the internal-rib that protrudes out with roller bodies, and is equipped in the dual-side of roller bodies, and it is to be provided with through hole that this axle is a centre;

The axle center: it is in the through hole that is arranged in bearing seat, and is to link with roller bodies and to pass through by bearing seat drive roller bodies, and is formed with corresponding groove on the lateral surface at two ends, axle center;

Fixing ring seat, it is the aspect that is hollow, and inside is provided with that the corresponding groove of corresponding projection and two ends, axle center is fastened and and carriage mutually combine fixing.

2, when rotating, produce the safety member of friction spark according to described roller and the belt of preventing of claim 1, it is characterized in that the material of described this roller bodies is anlistatig High molecular weight polyethylene.

3, when rotating, produce the safety member of friction spark according to described roller and the belt of preventing of claim 1, it is characterized in that the material of described this bearing seat is anlistatig engineering plastics.

4, when rotating, produce the safety member of friction spark according to described roller and the belt of preventing of claim 1, it is characterized in that described fixedly ring seat is the aspect of square type.

5, when rotating, produce the safety member of friction spark according to described roller and the belt of preventing of claim 1, it is characterized in that the described fixedly material of ring seat is fibre strengthening engineering plastics.