Rapid tooling coupling device for digger rapid toolings
In the rapid tooling coupling device for digger rapid toolings, a rapid tooling is provided with two pivots operating as means for hooking-up, the rapid tooling comprising: a body provided with mobile hooks which are actuated to achieve stable removable couplings with at least one of the two pivots. At least one plurality of first supports and at least one second support, are predisposed to couple with a corresponding plurality of pairs of the two pivots, which pairs comprise a first pivot and a second pivot, and which can be removably fixed to the body.
Specifically, though not exclusively, the invention is usefully applied for all rapid toolings, in particular buckets, which are hooked up using two parallel pivots predisposed on the bucket, which are used for hooking up to a rapid-coupling device provided on the end of the digger manoeuvring arm.
Numerous manufacturers of diggers and digger rapid toolings exist on the market. Also numerous are the different types of attachments, which are generally dimensioned and configured so that only rapid toolings having complementary attachments can be hooked up to them.
All this constitutes a serious limitation to rapid tooling use, as it is not easy to obtain a full range of rapid toolings, buckets or otherwise, for a single digger.The main aim of the present invention is to provide a rapid coupling device which obviates the limitations of the prior art with a simple solution.These aims and advantages and others besides are all achieved by the present invention, as it is characterised in the appended claims.
With reference to the figures of the drawings, denotes in its entirety the body of a rapid coupling device for digger rapid toolings, of the type in which the rapid tooling, in the figures denoted by, is provided with a first pivot and a second pivot which together constitute means by which the rapid tooling will be hooked up.
The body is provided with blocking devices comprising mobile hooks which achieve stable but removable couplings with at least one of the two pivots, and especially with the second pivot.
The hooking-up is achieved by coupling the pivots in special coupling seatings especially afforded in first supports and second supports which are removably fixed on the body.
Each body is predisposed to receive a pair of first supports and a pair of second supports. The supports of each pair are positioned in such a way that the surfaces of the seatings are aligned so as to be able to couple respectively with the first pivots and the second pivots.
The first supports and the second supports are mounted easily removably on the body, and can be constrained thereon in predetermined positions.
More generally, there is a plurality of first supports which corresponds to a plurality of second supports, which are predisposed to couple with a corresponding plurality of the first pivots and the second pivots, and which can in all cases be removably fixed to the body.
The stability of the couplings is ensured by the fact that a single pair, formed by a first pivot and a second pivot on a single rapid tooling, is coupled with another pair constituted by first supports and second supports.
The relative constraint between the first supports and the body is removable and uses the same references on the body for all the first supports.
The relative constraint between the second supports and the body is removable and uses the same references on the body for all the second supports.
In particular, the references are constituted by holes made on the body for allowing any first support to be bolted thereon, and by other holes, also made on the body for allowing any second support to be bolted thereon.
The adaptation of the rapid tooling attachment to a specific rapid tooling is made easy by making the attachment itself as a sort of modular structure which comprises a body, provided with mobile hooks which in the illustrated embodiment are moved by a pneumatic cylinder, and a double plurality of pairs of first supports and second supports 6 which are easily mountable on, and dismountable from, the body.
A special combination of first supports and second supports corresponds to each rapid tooling. When mounted on the body, by using the predetermined references, a rapid attachment can simply be obtained, which corresponds to the particular coupling dimensions of the single rapid tooling.
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