DE101458C - - Google Patents

Description

IMPERIAL

PATENT OFFICE.

, ^ PATENT LETTERING

CLASS 20 ^ Railway operations. // "

Point signal box with compressed air and electric valve control.

Second addition to patent JU 69895 of February 10, 18g 1. *)

Patented in the German Empire on January 7, 1898 . Longest duration: February 9, 1906.

The present invention relates to improvements in apparatus for electrical point setting, as described in D.R.P. No. 69895 and First Supplementary Patent No.-91962.

The main purpose of the present invention is to achieve that the switch, if they happen to be z. B. should be partially opened as a result of driving through in the wrong direction, immediately is automatically pulled further to the other end position and held there, while at the same time a corresponding signal is given at the signal box, so that the switchman acquired knowledge of the nature of the apparatus and the irregularity can eliminate.

Rollers A "A ¹ and A ^r represent the normal locking and reversing contacts of the control levers as described in the earlier patent ( designated a ¹ in patent no. 91962). Magnets JV L and R are according to normal -, the locking and the reversing magnet of the servomotor. (in the patents No. 75821 and 91962 designated with G E and D); the electrical changeover switches J (see 28, 28 ^a , 33, 33 ^a , 29 in patent No. 91962) (2 comp. 2, ^a, 6 and 7 in the patent no. 91962) _n together with the magnets J and J _r (comp. C ⁶ C ₁ ⁶ Jm Pat. No. 91962) and the switch F are similar to the device as in Patent No. 91962. The parts which are added according to the present invention are:

1. An electrical changeover switch S, which is used in such a way that it establishes an electrical contact during the movement of the switches, but opens the contact when the switch has reached one or the other end position;

2. a contact roller K, which is adjusted by the switch lever simultaneously with the rollers A ^r A ¹ and A ⁿ ;

3. a relay P, which operates the contacts bc, de, gh, jo, tv and n>y;

4. A bell Z, trumpet or the like. Which gives a signal when the magnet P is excited.

In the plan the new lines are shown in full lines, the old lines, which have been retained, are drawn with dotted lines. If the position of the switch M, as it is illustrated in the plan, is considered to be the normal position, the current then goes from the battery X through contact A ⁿ via yn> to the magnet JV and keeps it excited. In the event that the

Previous addendum - Patent No. 91962.

Soft should be partially opened, e.g. B. by the fact that a. If the car runs through it in the wrong direction, as indicated by the arrow, the switch S will cause a current circuit, and the current also goes from the battery to the lower contact of I, the switch 5, and is divided into two arms, from which one leads to the exciter magnet I ^r and then to earth, the other through K to magnet P and then to earth. The excitation of I ^r prevents the switch lever from being moved beyond its central position and in this way makes it impossible to release the contact A ⁿ or to use the contact A ^r. By the excitation of P all contacts bc, de, gh, jo, tv, wy are switched over, and the armature of P is held in a closed position by the claw u , so that the contacts bc etc. must remain in their new positions until P's anchor is released by the switchman. The result of the movement of the armature from P to the left is that the contact wy is opened and the contact gh is closed, so that the current is reversed, in that instead of from A ⁿ to JV it now runs to the magnet R and then to earth. The battery also sends currents through Contact tv, which has closed when the armature moves from P to the left, yielding to the spring force, to bell Z and then to earth and also through Contact de to magnet L and then to earth. When the current is diverted in this way from the magnet N and sent to the magnets L ' and R , the valves of the servomotor are reversed in such a way that the piston is pushed into the opposite position; This completes the movement of the points which had already begun when the carriage passed through them. This completion of the movement of the switches causes the changeover switch / to be thrown, so that the contact now takes place through the upper pair of springs. As a result, the current will flow through J ^r and the associated armature will be held in the position that it prevents the control lever from going beyond its middle position, thus again making it impossible to release the contact at A ".

To return the points to their normal position

To bring it back, the switchman must loosen the armature of P again by first bringing the adjusting lever into its middle position and thus cutting off the flow of P and K and then releasing the claw u . The claw u is advantageous protected by a seal which is broken when the switch plate freigiebt the claw. Any other device can be used instead. When the armature is withdrawn from P, magnet R is excited and magnet JV is excited again, while magnet L remains excited, since contact A ¹ has meanwhile been closed by the control lever. This excitation of L and JV causes the switches to return to their normal position and to cease the excitation of the magnet J ^r. Since no current flows through J ⁿ , the control lever is prevented from being turned into its normal position; it must complete its stroke. If it is moved a little further, it opens the Contact A ⁿ and closes the Contact A ^r , which flips the switch again. If it is in good condition, the current will flow through J ^r again and then allow the lever to complete its stroke. Switches and levers are in the right positions relative to each other and can be moved in the normal way. If the switch has been in a position opposite to the one drawn, if it is set in motion by a carriage running in the wrong direction, it will automatically complete this movement in a manner similar to that described above, of course in the opposite direction. The inferences from this will easily be drawn from the foregoing.

Claims (1)

Patent claim: An embodiment of the switch signal box according to patent no. 69895 and no. 91962, characterized by the interaction of an electrical switch (S), which comes into effect when the points are moved, with a switch (K), which is operated by the control lever, and with a relay (P) in such a way that when the switch (M) is not in its end positions, e.g. B. was cut open, switch (S) is closed, thereby the current passes through the switch (K) to the relay (P) and this energizes, for the purpose of automatically switching the current flows for 'the further movement of the switch, while at the same time the signal box A signal is emitted. 1 sheet of drawings.