DE77047C - Fluid brake with spring for regulating the return and forward movement of guns - Google Patents

Description

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IMPERIAL

PATENT OFFICE.

The purpose of the present invention is to make a gun through the The gun barrel together with the inhibiting device is caused by the return material that occurs when the shot is fired runs back and forth on the barrel, and that these inevitably take place Movements take place with relatively little stress on the scaffold, which leads to the The consequence is that the latter, with the lowest dead weight, has no anchoring at its location with the latter is certain.

It is therefore the gun barrel together with the inhibiting device with a relative to the gun independent movement and the return slowed down by the fact that the gun barrel together with the inhibiting device when firing, the living force imparted is largely used for the purpose of pressing through to overcome movement resistance caused by the brake fluid through narrow channels, while the remainder of the force is harnessed to make a spring tension which through their subsequent expansion the gun barrel together with the inhibiting device again puts forward.

To achieve this purpose, the gun barrel rests on the large cylinder B, in whose bore the smaller cylinder E is mounted and which can be displaced parallel to the gun barrel axis with lateral and lower guide strips in the guide recess C. The piston F of the small cylinder is connected to the end piece of the guide trough, which is mounted vertically on a pivot fork for the purpose of the direction of the gun barrel with lateral support pins and this is rotatably mounted on the lower launcher in the horizontal direction.

Both cylinders E and B are connected to each other through openings made in the partition b , so that when the gun barrel returns, the smaller piston F remains at rest, while the liquid from the cylinder E remains through openings in the partition is pressed in front of the piston b ' ² , by the movement of which wedges or cones are drawn into the openings in the septum and they close off completely at the end of the return of the gun barrel. At the same time, the movement of the piston b ² compresses the spring mounted in the larger cylinder and guided by the smaller cylinder, which releases its mechanical work again after the end of the return movement for the advancement of the gun barrel together with the inhibiting device.

In addition, there is a blocking device during the return of the gun barrel behind the smaller piston there was air dilution and behind the larger air compression, so that during the advance work on the one hand due to the overpressure of the outer atmosphere and on the other hand due to air expansion Bringing the gun barrel in the sense of the spring done ■ and thereby the claim the latter is reduced.

Experience has shown that for reasons of favorable stress z. B. a cylindrical coil spring only to ^χ / ₄ , a system of

plate-shaped springs are only ^{compressed to x} / _{7 of} the original height, so that with the return s the height of the spring at least 45 respectively. ys must be; By means of a corresponding cross-sectional ratio between the large and the small cylinder, the compression of the spring can be brought to any fraction of the return, and this can be achieved by keeping the stress on the spring within very favorable limits.

By shifting the piston b ² , a control element connected to it (wedges or cones) is drawn into the openings of the septum, so that the openings are closed more and more towards the end of the return, in order to reduce the speed of the gun barrel together with the inhibiting device and to achieve a constant mean resistance in consideration of the work to be given to the spring.

To the flow of the pipe by throttling the Rückgeprefsten brake fluid without substance to be made is a slidable disc covering the channels in the spring cylinder arranged, which is provided with cutouts whose cross-section is smaller than the Flow of the brake fluid conveying channels.

In the accompanying drawing, FIG. 1 shows a longitudinal section and FIG. 2 shows a cross section Gun barrel provided with the anti-return device with a central arrangement of the Brake cylinder.

Fig. Ι a shows a special view of the devices used to throttle the brake fluid.

Fig. 3 shows a cross-section of a top plate with the liquid cylinder outside of the spring cylinder are arranged.

As can be seen from FIGS. 1 and 2, the gun barrel A is connected to a cylinder B which, together with the barrel, can be displaced in guides c in the upper platform C.

The upper platform is supported in the usual way by means of a c ¹ pin in the lower platform.

In the cylinder B , a second cylinder E is inserted, in which a piston F is mounted, the piston rod f of which is fastened to the front end wall c ^{2 of} the upper platform.

The cylinder E communicates through several channels or a central bore e and through the channels b ¹ arranged in the partition b separating the two cylinder spaces B and E with the interior of the cylinder B, in which a piston b ^{2 can be} displaced a coiled spring b ^a surrounding the cylinder E presses.

When tube A returns, cylinders B and E together in the direction of arrow a. the brake fluid, since the piston F is stationary, is displaced and pressed into the spring cylinder B through the opening e and the channels b ^l . In this case, the piston b ^{2 is} pushed back and the force necessary to move the pipe forward after the return is completed is stored by the tension of the spring b ^z.

In order, despite the fact that the return speed of the tube together with the brake cylinders gradually decreases and work is transferred to the spring mechanism, to achieve a constant average braking resistance and a material return movement of the tube, wedges or cones b ⁴ are attached to the piston b ² , which pass through the channels b ^{l of} the septum b and gradually narrow the channels b ^l according to the measure of the backward movement of the piston and close them completely at the end of the return movement of the upper limb.

In order to ensure that the pipe reaches its normal position without any material during the advance, a disk g is arranged in the cylinder B behind the partition b so that it can be displaced, the stroke of which is limited by stops g ^x.

The disk g has openings g ² which correspond to the channels b ¹ arranged in the partition b , but have a smaller cross section than the latter. At the beginning of the advance of the pipe, the disk g is pressed against the partition b , whereupon the further advance movement can only take place slowly as a result of the narrowing of the flow openings.

From Fig. 3 it can be seen DAF be arranged instead of the concentric arrangement of the cylinder B and E, two or more Bremsflüssigkeitscylinder E aufserhalb of Federcylinders B, and can stand by channels ¹ e with the latter in combination.

Claims (2)

Patent Claims: 1. Fluid brake with spring for regulating the return and forward movement of guns, characterized in that the cylinder (E) containing the fluid before the shot is released and that cylinder (B) in which a piston (b ² ) is displaced by the brake fluid when the pipe (A) returns, run back together with the pipe (A) against the piston (F) located in the first-mentioned cylinder (E) . 2. An embodiment of the under 1. marked Brake, which for the sake of Aiming for a constant braking resistance and a substance-free return of the pipe, the piston (b ² ), which is under spring pressure, is connected to wedges or cones (b ^) that can be displaced in the flow channels (b ¹ J ), through which the flow cross-section is reduced or entirely depending on the displacement of the piston is closed. An embodiment of the under i. brake marked, wherein behufs achieve a slidable, the Durchflufskanäle (b ¹⁾ covering disc (g) with openings (g ²⁾ of a stofslosen runnings of the tube is provided, which, however, have a smaller cross-section with the channels (b ^l) correspondiren, as this. For this purpose ι sheet of drawings.