CN205873168U

CN205873168U - Band conveyer bearing roller bearing protection device

Info

Publication number: CN205873168U
Application number: CN201620853295.1U
Authority: CN
Inventors: 李高明; 郑龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-02
Filing date: 2016-08-02
Publication date: 2017-01-11
Anticipated expiration: 2026-08-02

Abstract

The utility model discloses a band conveyer bearing roller bearing protection device relates to a bearing roller technical field. The utility model discloses many and the short scheduling problem of life of bearing roller bearing fixed part. The inboard outside -in of the bearing guard circle of this band conveyer bearing roller bearing protection device's polyurethane sealing washer equidistance in proper order is provided with the waterproof dust ring that a plurality of is parallel and the size equals, waterproof dust ring is the diaphragm form, the external seal claw of bearing frame inner room and inside seal claw are in the bearing frame on the locular wall mechanical pressing's one end, and fixed and the square piece that certain angle curved can be made to the other end. Use the utility model discloses swiftly just fixed seal is effectual for simple structure, handling ease, installation.

Description

Idler for belt conveyer bearing protection device

Technical field

This utility model relates to a kind of Idler Technology field, particularly relates to a kind of idler for belt conveyer bearing protection dress Put.

Background technology

Belt conveyor is with low cost of manufacture, easy for installation, fed distance length and safeguards that easily etc. advantage is widely used in The material transportation art such as mine, metallurgy, harbour and storage.As needing the long-term belt conveyor run continuously holds up belt Numerous carrying rollers be the core component of belt conveyor, service life of carrying roller and to realize quick-replaceable be that can belt conveyor The principal element of safe operation.In fact belt conveyor the occurred accident that is in operation is primarily due to Idler bearing because of ash Dirt or steam invade corrosion causes carrying roller not run well, however the two ends of the carrying roller mandrel used at present by jump ring, Bearing is fixed and protects by nine parts such as ferrum back-up ring and sealed nylon circle.

But owing to sealed nylon circle and mandrel do not stop friction so that quickly causing and producing between sealed nylon circle and mandrel Gap and cause dust or steam to enter Bearing inner, just lose the function of rotation after bearing rust so that whole carrying roller is scrapped； The inner ring of bearing is integrally fixed on the mandrel of carrying roller, and the outer ring of bearing be usually fixed by bearing block, due to bearing block from Body load-carrying members with carrying roller fixed connecting plate be i.e. trumpet type plate-like so that be susceptible to when bearing stronger external force deform with Cause bearing unbalance stress in the running, cause bearing easily damaged and be greatly shortened service life；Sealing and fixed part to bearing Part is many and complicated, not only increases manufacturing cost, and has a strong impact on using effect.

Utility model content

The purpose of this utility model is to overcome deficiency of the prior art, it is provided that a kind of simple in construction, handling ease, The idler for belt conveyer bearing protection device that quick for installation and fixing seal is effective.

For achieving the above object, this utility model provides a kind of idler for belt conveyer bearing protection device, described carrying roller Including outer back-up ring, bearing block, bearing, cylinder and mandrel, described bearing block includes outer face and interior room, and described bearing includes inner ring And outer ring, it is provided with polyurethane sealing ring, polyurethane seal between bearing block and the outer back-up ring of described Idler bearing protection device The middle part of circle is provided with the centre bore that carrying roller mandrel passes, and the external diameter of polyurethane sealing ring is more than the external diameter of bearing outer ring, poly-ammonia The protruding contact surface circle more than bearing outer ring side it is provided with at the contacts side surfaces of ester sealing ring and bearing outer ring；Polyurethane is close The centre bore of seal is positioned at bearing side and is provided with the bearing guard circle of projection, and the inner side ecto-entad of bearing guard circle is successively etc. Distance is provided with several parallel and equal-sized waterproof dustproof rings, the outside back-up ring of opening surface of waterproof dustproof ring, waterproof anti- Konisphere is membrane-like, and the internal diameter of waterproof dustproof ring is less than the external diameter of carrying roller mandrel；In described bearing block, room is positioned at outside outer back-up ring Side is equidistantly positioned several external seal pawls, and in bearing block, room is positioned at the outside of bearing outer ring and is equidistantly positioned several and seals Pawl, external seal pawl and interior jaw are that one end of mechanical pressing in bearing block chamber wall is fixed and the other end can make certain angle The square piece that degree curves.

The width of the bearing guard circle of described polyurethane sealing ring is 2/3rds of the width of contact surface circle；Described waterproof Dust ring is provided with three layers, and waterproof dustproof ring is 45 ° with the angle of carrying roller mandrel.

In described bearing block, room is positioned at the outside of outer back-up ring and is equidistantly positioned six external seal pawls, and in bearing block, room is positioned at axle The outside of bearing outer-ring is equidistantly positioned six interior jaw.

Being provided with a load-bearing circle on the outer face of described bearing block, described load-bearing circle is at the middle part of the outer face of bearing block Arrange an outwardly convex strengthens outer ring and the reinforcement inner ring of an outwardly convex, strengthens outer ring and strengthens inner ring and be 120 ° extremely 150 ° intersect.

This utility model provides the benefit that: idler for belt conveyer bearing protection device simple in construction of the present utility model, Handling ease, reduces manufacturing cost；Quick for installation, non-maintaining, save manpower；Bearing block divides for polyurethane sealing ring and bearing The most fixing, it is achieved that polyurethane sealing ring and bearing with carrying roller cylinder run-in synchronism, eliminated the outer ring of bearing at bearing block The fixing loosely easy impaired hidden danger of endogenous cause of ill；On bearing block arrange load-bearing circle not only avoid carrying roller cylinder because of external force excessive And make the yielding problem of bearing block collar extension, also make shaft strength uniformly be greatly prolonged service life；Polyurethane sealing ring The preventing dust water jacket of upper tool elasticity had both overcome self wear problem of bearing sealed ring and carrying roller mandrel, also extremely strong because possessing Dustproof and waterproof function and be to omit other countershaft guard block that holds to provide reliably guarantee, thus be also greatly enhanced bearing Protected effect.

Below in conjunction with the accompanying drawings the bearing protection device of idler for belt conveyer of the present utility model is described further.

Accompanying drawing explanation

Fig. 1 is this utility model axis of no-feathering cut-away view；

Fig. 2 is polyurethane sealing ring perspective view of the present utility model；

Fig. 3 is the countershaft axle cut-away view protected of accepting insurance of polyurethane sealing ring of the present utility model；

Fig. 4 is bearing block structure schematic diagram of the present utility model；

Fig. 5 is cut-away view during bearing block axle of the present utility model use state.

In figure: 1, outer back-up ring, 2, bearing block, 3, bearing, 4, cylinder, 5, mandrel, 6, outer face, 7, interior room, 8, inner ring, 9, Outer ring, 10, polyurethane sealing ring, 11, centre bore, 12, contact surface circle, 13, bearing guard circle, 14, waterproof dustproof ring, 15, outer Jaw, 16, interior jaw, 17, load-bearing circle 17,18, strengthen outer ring, 19, strengthen inner ring.

Detailed description of the invention

As shown in Fig. 1, Fig. 3 and Fig. 5, the carrying roller of the idler for belt conveyer bearing protection device of the present embodiment includes outer gear Circle 1, bearing block 2, bearing 3, cylinder 4 and mandrel 5, bearing block 2 includes outer face 6 and interior room 7, and bearing 3 includes inner ring 8 and outer ring 9。

As shown in Figures 2 and 3, it is provided with polyurethane between bearing block 2 and the outer back-up ring 1 of Idler bearing 3 protection device close Seal 10, the middle part of polyurethane sealing ring 10 is provided with the centre bore 11 that carrying roller mandrel 5 passes, the external diameter of polyurethane sealing ring 10 More than the external diameter of bearing 3 outer ring 9, polyurethane sealing ring 10 is provided with more than bearing outer ring at the contacts side surfaces of bearing 3 outer ring 9 The protruding contact surface circle 12 of side.The centre bore 11 of polyurethane sealing ring 10 is positioned at bearing 3 side and is provided with the bearing of projection Guard circle 13, the inner side ecto-entad of bearing guard circle 13 has been equidistantly positioned three layers of parallel and equal-sized waterproof anti-successively Konisphere 14.The width of the bearing guard circle 13 of polyurethane sealing ring 10 is 2/3rds of the width of contact surface circle 12.Waterproof anti- Konisphere 14 is 45 ° with the angle of carrying roller mandrel 5, and the outside back-up ring of opening surface 1 of waterproof dustproof ring 14, waterproof dustproof ring 14 is in diaphragm Shape, the internal diameter of waterproof dustproof ring 14 is less than the external diameter of carrying roller mandrel 5.

As shown in Figures 4 and 5, in bearing block 2, room 7 is positioned at the outside of outer back-up ring 1 and is equidistantly positioned six external seal pawls 15, In bearing block 2, room 7 is positioned at the outside of bearing 3 outer ring 9 and is equidistantly positioned six jaw 16, external seal pawl 15 and interior jaw 16 are in bearing block 2 one end of mechanical pressing on the wall of room 7 fixes and square piece that the other end can curve as certain angle.Bearing Being provided with a load-bearing circle 17 on the outer face 6 of seat 2, load-bearing circle 17 outwards arranges one at the middle part of the outer face 6 of bearing block 2 The groove that the protruding reinforcement inner ring 19 strengthening outer ring 18 and an outwardly convex intersects, strengthens outer ring 18 and strengthens inner ring 19 Intersect in 150 °.

Owing to the width of the width ratio contact surface circle 12 of bearing guard circle 13 is little, therefore, outside back-up ring 1 and bearing 3 to poly- Ensure that in the case of urethane sealing ring 10 extruding that only contact surface circle 12 combines with bearing 3 outer ring 9 rotated, and bearing is protected Guard ring 13 does not contacts with fixed bearing 3 inner ring 8, say, that polyurethane sealing ring 10 is when rotating with bearing 3 outer ring 9 Bearing guard circle 13 and bearing 3 inner ring 8 do not produce friction, and the space between contact surface circle 12 and bearing guard circle 13 is to guarantor simultaneously Deposit grease and reliable place is provided.

Again three layers because being equidistantly positioned in the bearing guard circle 13 in membrane-like and on polyurethane sealing ring 10 waterproof Dust ring 14 is arranged in certain angle with carrying roller mandrel 5, and every layer of waterproof dustproof ring 14 outward opening, and water proof and dust proof The internal diameter of circle 14 is moistening when rotating around carrying roller mandrel 5 less than the external diameter of carrying roller mandrel 5, the waterproof dustproof ring 14 of multilamellar tool elasticity Fundamentally dramatically reduce the friction of polyurethane sealing ring 10 and carrying roller mandrel 5 under the cooperation of consistent lubricant, on the other hand also disappear Except the outer water of polyurethane sealing ring 10 or dirt enter the hidden danger in bearing 3.So, Idler bearing protection device of the present utility model Use under the wet environments such as down-hole or other rainy day and do not break down yet for 4 years as long as, and old-fashioned carrying roller is in a humidity environment Generally use and just to keep in repair for six months.

In bearing block 2 room 7 to bearing 3 and through outer back-up ring 1 to polyurethane sealing ring 10 by interior jaw 16 and External seal pawl 15 is fixed respectively, and multiple fixing mode fundamentally ensure that outer ring 9 and the polyurethane sealing ring 10 of bearing 3 With carrying roller cylinder 4 run-in synchronism, and efficiently avoid outer ring 9 or polyurethane sealing ring 10 room 7 in bearing block 2 of bearing 3 Inside it is shifted over phenomenon.Additionally, the load-bearing circle 17 arranged on the outer face 6 of bearing block 2 effectively increases the outer end of bearing block 2 The self-strength in face 6 so that outer face 6 and the interior room 7 of bearing block 2 are susceptible to stronger external force and deform, so that bearing 3 Not easily damaged, so preferably protecting bearing 3 by the deformation of bearing block 2.

Claims

1. an idler for belt conveyer bearing protection device, described carrying roller includes outer back-up ring, bearing block, bearing, cylinder and core Axle, described bearing block includes outer face and interior room, and described bearing includes inner ring and outer ring, it is characterised in that described Idler bearing Being provided with polyurethane sealing ring between bearing block and the outer back-up ring of protection device, the middle part of polyurethane sealing ring is provided with carrying roller core The centre bore that axle passes, the external diameter of polyurethane sealing ring is more than the external diameter of bearing outer ring, polyurethane sealing ring and bearing outer ring The protruding contact surface circle more than bearing outer ring side it is provided with at contacts side surfaces；The centre bore of polyurethane sealing ring is positioned at bearing Side is provided with the bearing guard circle of projection, and it is parallel that the inner side ecto-entad of bearing guard circle has been equidistantly positioned several successively And equal-sized waterproof dustproof ring, the outside back-up ring of opening surface of waterproof dustproof ring, waterproof dustproof ring is membrane-like, water proof and dust proof The internal diameter of circle is less than the external diameter of carrying roller mandrel；In described bearing block, room is positioned at the outside of outer back-up ring to be equidistantly positioned several outer the closeest Envelope pawl, in bearing block, room is positioned at the outside of bearing outer ring and is equidistantly positioned several jaw, external seal pawl and interior jaw It is one end of mechanical pressing in bearing block chamber wall to fix and square piece that the other end can curve as certain angle.

Idler for belt conveyer bearing protection device the most according to claim 1, it is characterised in that described polyurethane seal The width of the bearing guard circle of circle is 2/3rds of the width of contact surface circle；Described waterproof dustproof ring is provided with three layers, waterproof Dust ring is 45 ° with the angle of carrying roller mandrel.

Idler for belt conveyer bearing protection device the most according to claim 1, it is characterised in that room in described bearing block The outside being positioned at outer back-up ring is equidistantly positioned six external seal pawls, and in bearing block, room is positioned at the outside of bearing outer ring and is equidistantly positioned Six interior jaw.

Idler for belt conveyer bearing protection device the most according to claim 1, it is characterised in that outside described bearing block Being provided with a load-bearing circle on end face, described load-bearing circle arranges the reinforcement of an outwardly convex at the middle part of the outer face of bearing block The reinforcement inner ring of outer ring and an outwardly convex, reinforcement outer ring is 120 ° with reinforcement inner ring and intersects to 150 °.