MACHINE FOR MANUFACTURING CABLES

Abstract

A machine for manufacturing cables includes a rotor tube inside which is a motor. The machine also includes four rods attached to the tube. The rods are arranged so as to follow secant lines of the wall of the tube and include two mutually parallel plates. Each plate is connected to the four rods. The four rods are arranged such that they exert a force on the wall of the tube towards the inside of the tube in order to compensate for the effect of centrifugal force. The motor is positioned between the plates.

Claims

1. A machine for manufacturing cables comprising: a rotor tube inside which is a motor, four rods attached to the tube, the rods being arranged so as to follow secant lines of the wall of the tube, and two mutually parallel plates each plate being connected to the four rods, wherein the four rods are arranged such that they exert a force on the wall of the tube towards the inside of the tube in order to compensate for the effect of the centrifugal force, and the motor is positioned between said plates.

2. The machine according to claim 1, wherein the rods are screwed through the outside of the rotor tube.

3. The machine according to claim 1, wherein the rods are screwed onto a reinforced zone of the wall of the tube.

4. The machine according to claim 2, wherein each rod is screwed onto a reinforcement ring, such that said force is exerted by the rods on the relevant reinforcement ring.

5. The machine according to claim 1, wherein the rods are arranged so as to be mutually parallel.

6. The machine according to claim 5, wherein the rods are arranged in a rectangular arrangement.

7. The Machine according to claim 5, wherein the plates are arranged perpendicularly to the rods.

8. The machine according to claim 1, wherein the yoke pieces of the motor are attached to the plates.

9. The machine according to claim 1, wherein crossbars are provided which connect the two plates.

10. The machine according to claim 9, wherein four crossbars are provided.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0011] To aid understanding, an explanatory yet non-limiting drawing is included of an embodiment of the machine according to the invention.

[0012] FIG. 1 shows a cross section of the rotor tube of a machine according to the present invention, an embodiment of an arrangement of the motor of said machine being visible.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] In the figure, an embodiment is shown in which four rods have been arranged so as to be connected to the tube in a rectangular arrangement, all of said rods being mutually parallel. FIG. 1 shows a section transverse to the axis of the rotor tube -1- at the level of two of the rods, which is why only two rods -3-, -3- are visible.

[0014] In this embodiment, there are two reinforcement rings -2- (in the figure only one is visible, corresponding to the attachment of two rods -3-, -3-). Said rings -2- are arranged on the outside of the tube and rigidify the wall.

[0015] The threaded rods -3-, -3- are arranged so as to follow a secant direction with respect to the wall of the rotor tube -1-, and more specifically, in this case, secant with respect to the cross section of the wall of the rotor tube -3-, -3-. The rods are attached, in this case, by means of a nut and locknut -31-, -32-. The rods -3-, -3- are attached on the rings -2-, preloading said rings, thus compensating for the centrifugal force, which has the tendency to expand the rings.

[0016] The plates -4-, -5- are attached to the rods -3-, -3-. The motor -6- is positioned between the plates -4-, -5-. In this way, the yoke pieces of the motor are secured and the motor does not have to endure its own centrifugal forces.

[0017] As a safety element, four crossbars -7-, -8- have been positioned in a rectangular arrangement, connecting the two plates -4-, -5-.

[0018] Although the invention has been set out and described with reference to embodiments thereof, it should be understood that these do not limit the invention, and that it is possible to alter many structural or other details that may prove obvious to persons skilled in the art after interpreting the subject matter disclosed in the present description, claims and drawings. Therefore, the scope of the present invention includes any variant or equivalent that could be considered covered by the broadest scope of the following claims.