Patent EP0252419A2 successfully refreshed from Google Patents.
EP0252419A2
Expired / Lapsed
EP
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Mobile self-propelled crushing machine
Assignee: Individual
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Filing: 1987-07-01
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Granted: —
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Expires: 2007-07-01
Abstract
Abstract According to the present invention, a mobile, self- propelling crushing machine includes a structure essentially consisting of two beams (1, 2), on which a central frame (3) is welded, said central frame housing a rotor (30), which is supported on a frame (16), which, in one form of execution of the invention, is lowered by hydraulic cylinders (12, 13, 14, 15) fixed to the frame. In another form of execution of the invention, the frame (65) is driven by four mechanical jacks, being connected with each other by means of chains (68, 69) and being driven by a single hydraulic motor (60). Thus the penetration fo the rotor into the soil to be treated does not depend only on its own weight, but especially on the action of the just-mentioned hydraulic cylinders or mechanical jacks. The rotor (30) is driven by two hydraulic motors (38, 39) the one opposite to the other and self-adjusted, so that, when a pressure transductor signals a pressure increase to the hydraulic motors of the rotor, due to an increased effort, the forward movement speed of the machine, which moves on tracks, decreases as a consequence.
Inventors
- 👤 Elda Barbieri
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 07:45
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/78; E02F3/783; B; B02; B02C; B02C21/00; B02C21/02; E01; E01C; E01C23/00; E01C23/06; E01C23/12; E01C23/122; E01C23/127
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
90 words
1) A mobile, self-propelled crushing machine including a supporting structure consisting essentially of two longitudinal and parallel beams (1 and 2) supporting a central frame (3) housing a rotor (30) provided with hammers, characterized by the fact that the penetration of the rotor into the soil occurs in the orthogonal direction in relation to the frame of the machine because of the synchronous pushing action of means positioned on the frame of the machine and positioned at least at each of the four corners of the frame supporting the rotor.
Claim 2
Dependent Claim
90 words
1) A mobile, self-propelled crushing machine including a supporting structure consisting essentially of two longitudinal and parallel beams (1 and 2) supporting a central frame (3) housing a rotor (30) provided with hammers, characterized by the fact that the penetration of the rotor into the soil occurs in the orthogonal direction in relation to the frame of the machine because of the synchronous pushing action of means positioned on the frame of the machine and positioned at least at each of the four corners of the frame supporting the rotor.
Claim 3
Dependent Claim
67 words
2) - A crushing machine according to claim 1, characterized by the fact that the pushing action on the rotor (30), which is synchronous and orthogonal in relation to the frame of the machine, is exerted by at least four hydraulic cylinders (12, 13, 14, 15) being vertically mounted on the frame of the machine, and that they exert their action on the rotor supporting frame (16).
Claim 4
Dependent Claim
85 words
3) A crushing machine according to claim 1, characterized by the fact the pushing action on the rotor (30),which is synchronous and orthogonal in relation to the frame of the machine, is exerted by four mechanical jacks being connected to one another by means of chains (68, 69) and being driven by a single hydraulic motor (60), said jacks presenting their individual screws (63, 64, 66, 67) coupled with a corresponding number of lock nuts, which are rigidly connected with the rotor supporting frame (65).
Claim 5
Dependent Claim
48 words
4) A crushing machine according to claim 3, characterized by the fact that the relative lifting and lowering motion of the rotor in relation to the machine is controlled by a closeness sensor (81),which reads the position of the rotor in relation to some fixed reference dots (83).
Claim 6
Dependent Claim
38 words
5) A crushing machine according to one of the foregoing claims, characterized by the fact that the wear and tear of the hammers is controlled by closeness sensors (87) positioned on the metal plates supporting the rotor (30).
Claim 7
Dependent Claim
81 words
6) A crushing machine according to one of the foregoing claims, characterized by the fact that the rotor (30) including a cylinder (31), on which a series of flanges (32), separated from each other by spacers (33) and bearing the hammers (26), - is connected, is driven by two hydraulic motors (38, 39) being opposite to each other and having shafts (41, 45) inserted between two half-joints (42, 46), being connected to a round crown (44) welded centrally to the rotor.
Claim 8
Dependent Claim
70 words
7) A machine according to claim 6, characterized by the fact that two flanges (36, 37), the one equal to the other and connected to the lateral sides (19, 20) of the frame, support two hydraulic motors (38, 39) and house two pairs of bearings (34, 35; 47, 48), a pair of which supports the rotor (30),while the other pair supports the half-joints which transmit the motion to the rotor.
Claim 9
Dependent Claim
95 words
8) A machine according to one of the foregoing claims, characterized by the fact that each flange is provided with six holders (27), placed at an equal distance from each other along the circumference for the fastening of the hammers, the shape of the flange in correspondence with said holders being such, that the rim of said flange has a smaller diameter on one side of the hammer than on the other side, so that the hammer can position itself at an angle in the direction opposite to the direction of rotation of the rotor.
Claim 10
Dependent Claim
54 words
9) A machine according to one of the foregoing claims, characterized by the fact that each hammer (26) is fastened to the flange (32) by means of a bolt (49) engaging itself in a threaded bush (50), the length of both the bolt and the bush being shorter than the distance between two hammers.
Claim 11
Dependent Claim
34 words
10) A machine according to one of the foregoing claims, characterized by the fact that not only the motors driving the rotor are hydraulic, but the propelling motor of the machine is hydraulic too.
Claim 12
Dependent Claim
83 words
11) A machine according to claim 10, characterized by the fact that the rotation speed of the rotor (30) and the forward-motion speed of the machine are self-adjusted and self-compensated by means of an adjustment circuit which foresees a pressure transductor, which registers the pressure of the hydraulic motors of the rotor, said transductor sending the corresponding electrical signal to an electronic circuit which, according to the registered variation, proceeds to adjust in compensation the amount of fluid converging to the propelling motor.
References Cited (Backward Citations)
No citation records indexed.
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