Classifications

• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02F—DREDGING; SOIL-SHIFTING
  • E02F3/00—Dredgers; Soil-shifting machines
  • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
  • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
  • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02F—DREDGING; SOIL-SHIFTING
  • E02F3/00—Dredgers; Soil-shifting machines
  • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
  • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
  • E02F3/36—Component parts
  • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
  • E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
  • E02F3/405—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors using vibrating means

Definitions

• the present invention relates to ah improved crusher bucket, particularly for crushing inert material, manufacturing waste and demolition materials, hereinafter indicated generally as aggregate, according to the preamble of the main claim.
• ah improved crusher bucket particularly for crushing inert material, manufacturing waste and demolition materials, hereinafter indicated generally as aggregate, according to the preamble of the main claim.
• buckets are known which comprise an outer casing, configured for the collection of aggregate, and inside which are mounted crushing means for crushing the collected material.
• bucket is intended to indicate as a whole any device arranged and intended to be hooked onto the free end of an arm of an operating machine.
• the crushing means arranged in the casing typically comprise a pair of jaws facing each other, one movable with respect to the other for compressing and crushing the material present between same.
• the operation of crushing the aggregate involves general wear of the members in contact therewith. Such wear is particularly evident in the area of the bucket corresponding to the crushing means, since it is precisely in this part that the bucket must encounter the high compression and shearing stresses exerted on the aggregate by the action of the jaws. It follows that, besides the jaws themselves, the sides of the casing situated immediately at the sides of the jaws are also subjected to the intense wearing action of the aggregate being crushed.
• the problem underlying the present invention is that of providing an improved crusher bucket, particularly for crushing aggregate and similar materials, and which is structurally and functionally configured so as to remedy the drawbacks mentioned above with reference to the prior art cited.
• Figure 1 is a frontal perspective view of a bucket produced according to the present invention
• Figure 2 is a view in section and on an enlarged scale of a detail of the bucket of Figure 1,
• FIG 3 is a perspective view, on an enlarged scale, of the detail of Figure 2 according to a first alternative embodiment of the bucket of Figure 1
• Figure 4 is a view in section and on an enlarged scale of the detail of Figure 2 according to a second alternative embodiment of the bucket of Figure 1.
• Preferred ways of implementing the invention In the drawings, a crusher bucket produced in accordance with the present invention is indicated as a whole by 1.
• the bucket 1 comprises an outer casing 2, generally shovel-shaped, on which are provided attachment means 3 for hooking the bucket 1 onto the free end of an arm of an operating machine (not shown), Defined in the casing 2 are an inlet 4 for the loading of aggregate or other material resembling stone, and an opposed outlet for the discharge of the treated material, following the crushing operation.
• means for crushing the aggregate comprising a movable jaw 6 and an opposed fixed jaw 7, integral with the casing 2.
• Removably fixed on the jaws 6 and 7 are suitably grooved plates 8, capable of facilitating the crushing action.
• the bucket 1 also comprises moving means, indicated as a whole by 10 and acting on the movable jaw 6 in order to move it away from and towards the fixed jaw 7 according to a suitable trajectory, so as to crush the aggregate present between the jaws.
• the moving means may be of any type suitable for the purpose indicated above, and may move the movable jaw 6 according to the most favourable trajectory.
• the moving means are arranged in such a way as to induce in the movable jaw a rotary-translational movement substantially comparable to a masticating type of movement.
• the jaws 6 and 7 form inside the bucket 1 a crushing area which is bounded laterally by opposed sides Il of the casing 2.
• respective protective plates 12 capable of protecting the casing 2 from the wearing action produced by the crushing of the aggregate.
• the plates 12 are suitably produced from wear-resistant material, preferably high tensile steel.
• the plates 12 are fixed to the sides 11 by means of countersunk screws 13 so as to prevent the screws from hindering the flow of the aggregate or from being damaged by same.
• connecting means are further provided between the plates 12 and the inner wall of the sides 11, at least at the side facing the inlet 4.
• such connecting means comprise a chamfered side 14 of the plates 12.
• the connecting means instead comprise an angular member 15 fixed, for example by welding, directly onto the inner wall of the sides 11 in touch with the side of plates 12.
• the dimensions of the angular member will of course be such as to connect the surface of the plates 12 in the best possible manner with the inner wall of the sides 11.
• the plate 12 is received in a seat 16 provided on the sides 11 of the casing 2 in such a way that the inner surfaces of the plates and of the sides 11 are contiguous and coplanar with one another.
• the seat 16 it is possible for the seat 16 to be formed by providing a through opening on the side 11 and by closing same on the outer part of the casing with a backing plate 17.
• a bucket is obtained in which the casing 2, and in particular its sides 11, are protected by removable plates.
• the invention thus achieves the aims proposed, further providing numerous advantages with respect to the prior art of reference, including significant prolongation of the service life of the crusher bucket.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Structural Engineering (AREA)
• Mining & Mineral Resources (AREA)
• Civil Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Crushing And Grinding (AREA)
• Shovels (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=35811721

Family Applications (1)

Country Status (2)

Cited By (1)

Citations (4)

• 2005
  • 2005-01-10 IT ITPD20050002 patent/ITPD20050002A1/it unknown
  • 2005-12-07 WO PCT/EP2005/013116 patent/WO2006072322A1/en not_active Application Discontinuation

Patent Citations (4)

Non-Patent Citations (1)

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