DE1784277C3 - Ramming frame with a crane boom, a guide piece and a leader - Google Patents

Description

35

The invention relates to a ramming frame with a crane boom and one that is articulated at its head end Guide piece that can be positively inclined in relation to the crane boom, can be locked in any inclination and has sliding guides that guide a leader that can be raised or lowered longitudinally, wherein the leader has a Rammliammeifführung independent of its sliding guides, along the a pile hammer, which has its own drive for its percussion piston, is guided, with the guide piece and the pile hammer are connected to one another by a pulling element, which is via a pulley runs in the head of the leader and the Longitudinal movements of the pile hammer and the leader are made by a single drive motor, according to patent 1,634,304.

The main application made it known, the longitudinal movements of the leader, on the guide piece as well as that of the pile hammer on the leader through a common drive motor 711 and to be coupled with one another in such a way that these movements take place in the same direction. In one embodiment The drive and coupling takes place via two pulling elements between the guide piece and the pile hammer, one of which via a pulley on the leader head and the other via a pulley on the Leader foot is performed. One of the two pulling elements is driven by a drive motor mounted on the leader driven.

Due to the storage on the leader, the drive motor has to use long hoses or cables are supplied whose mounting on the leader or guide piece is difficult and which are in are in an exposed location where they can be easily damaged.

The invention is based on the object of arranging the drive motor so that damage the hoses or cables are largely excluded.

This object is achieved in that the drive motor is mounted on the guide piece and engages with a drive pinion in a chain attached to the head and foot of the Miikler or in a rack attached to the M.ikler.

This is no long hose or bucket lines between leader and broker, son countries only short Yeibindungen / to Kranauslegcr required. The drive motor is located close to the boom head in an easily accessible and easy-to-maintain position.

It is beneficial. that a second pulling element is mounted from the guide back over one at the foot of the leader Deflection roller is guided to the pile hammer.

In the drawing is a ram structure according to the invention shown for example:

F i g. 1 shows the leader and the adjoining parts in side view in the upper end position;

F i g. 2 shows another embodiment in the lower end position.

On the head 4 of the crane boom 2, a guide piece 5 is articulated and can be by a hydraulic Cylinder 6 with piston rod 7 can be tilted and held in any position. The broker 8 is in spaced-apart sliding guides 9 and 10 on the Fühningsstück 5 longitudinally displaceable stored. The ramming hammer 11 or a demolition hammer is also in Rammhammerführerunfcn 12 and 13 can be moved lengthways arn broker 8 stored. A tension member 14 is with its one Fndc on the guide piece 5 and with the other linde on Rammliammei 11 attached and is guided over a pulley 15 on the leader head. A second pulling element 17 is guided over a pulley 18 at the lower end of the leader 8 and with its ends also attached to the guide piece 5 and the pile hammer 11. This pulling element 17 can also be omitted as shown in FIG. 2 is shown.

It is driven by a drive motor with drive pinion 26, which is mounted on the guide piece 5 is, and via a chain 27. both ends of which are attached to the head and foot of the leader 8.

Instead of the chain 27, a toothed rack 28 as shown in FIG. 2 be connected to the leader 8.

1 sheet of drawings

Claims (2)

Patent claims: 1. Piling frame with a crane boom and a guide piece articulated at its head end, which can be inclined in a non-positive manner with respect to the crane boom, can be locked in any inclination and has sliding guides that guide a liftable or lowerable leader in a longitudinally movable manner, the leader having one independent of its sliding guides Has pile hammer guide, along which a pile hammer, which has its own drive for its percussion piston, is guided, the guide piece and the pile hammer are connected to each other by a pulling element that runs over a pulley in the head of the leader and wherein the longitudinal movements of the pile hammer and the Mäklers are carried out by a single drive motor , according to patent 1634 304, characterized in that the drive motor is mounted on the guide piece (S) and with a drive pinion (26) in a chain attached to the head and foot of the leader (8) ( 27) or engages in a rack (28) attached to the leader (8). 2. Ramming frame according to claim 1, characterized in that that a second pulling element (17) from the guide piece (5) via one at the foot of the leader (S) mounted pulley (18) is guided to the pile hammer (11).