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System for fixing the mobile jaw of a cone or gyratory crusher

A technology of moving claws and pulverizers, applied in the system field of moving claws

Inactive Publication Date: 2008-03-12
METSO MINERALS FRANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the moving jaws must be replaced periodically after wear

Method used

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  • System for fixing the mobile jaw of a cone or gyratory crusher
  • System for fixing the mobile jaw of a cone or gyratory crusher

Examples

Experimental program
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Embodiment Construction

[0018] As shown in FIG. 3 , the moving jaws 4 are located on the crushing head 5 and are pressed against the lower wide part of the crushing head in a conventional manner, as shown in FIG. 1 . In this position its clamping is realized by a blocking element consisting of two parts connected by a screw: a blocking plate 16 whose diameter at its upper part is at least equal to the outer diameter of the cone formed by the jaws 4; A threaded flange 13 is fastened to said blocking plate by means of screws 17 .

[0019] A protective cover 23 for the head of the screw 17 is located on the blocking plate and is simply screwed thereon.

[0020] As described above for the prior art, during operation the rotation of the movable jaw 4 relative to the head 5 enables a self-locking clamping of the parts 16, 13, allowing a proper clamping without wearing down the jaws.

[0021] However, in operation, when the jaw 4 slides on the comminution head and essentially clamps, it also slides relativ...

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Abstract

The invention concerns a system for fixing the mobile jaw on a conical head of a cone or giratory stone crusher, comprising a bowl, with a feed hopper mounted thereon, a fixed truncated jaw mounted coaxially with the bowl, a crushing head mounted on a main shaft coaxial with the fixed jaw and a conical mobile jaw mounted on the head and clamped thereon by means of a locking element integral with the head and pressing on the top of the mobile jaw. Said element (16) has on its outer periphery notches (15) radially oriented outwards and uniformly distributed on said periphery and said mobile jaw (4) has, on its inner periphery, at its openings studs radially oriented inwards, uniformly distributed on said periphery and matching in number said notches (15), the studs penetrating when mounted in said notches so as to secure the locking element (16) and the mobile jaw (4) in rotation when the crusher is operating.

Description

technical field [0001] The invention relates to a system for fastening the moving jaws of a conical or rotary pulverizer. Cone or gyratory mills are used in mines or quarries to reduce the size of pellets and ore to the size required for their end use. Background technique [0002] They consist of a frusto-circular crushing mortar, the wall of which supports a fixed jaw, while a conical head supports a mobile jaw mounted on a shaft coaxial with said mortar. The geometric axis of the conical head is at an angle to the axis of the main shaft at the top of the crushing bowl such that the conical head makes a nutating movement when the eccentric rotates. During the descent into the interior of the socket, the material is continuously comminuted so that at the bottom of the conical head, reference number 2 in Fig. 1, which shows a cone crusher, it is reached between the fixed jaws and the moving jaws. The size of the minimum space r between. [0003] The cone crusher shown in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C2/04B02C2/00
CPCB02C2/04B02C2/005
Inventor 让-皮埃尔·德利尔
Owner METSO MINERALS FRANCE
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