SU1456583A1 - Pulse water-jet apparatus - Google Patents

Abstract

The invention relates to the mining industry and m. used in the destruction of rocks by pulsed streams of liquid. The goal is to increase the performance of the pulse water jet by increasing the frequency of the pulses. The water cannon includes a barrel 1 with a nozzle 2 provided with an opening 3. In the barrel 1 there is a heavy piston 4, the piston cavity of which communicates with the receiver for the working agent 5. The light piston 7 has a front end 8 located in the nozzle 2, and a rear end 9, It is located in the cavity 10. The latter is made inside the heavy piston 4. The drive mechanism is a piston 15 and a cylinder 12 with a front 13 and a rear 14 cap. The piston 15 is connected to a heavy piston 4 with a leg 16. In the front cap 13 there is a hole 17 in the cylinder head and a radial hole 18 in the cylindrical part of the drive cylinder 12. The channel piston 15 has a channel 21 in which a valve 22 is installed with stops 24 and 25 The stops 24 and 25 are installed with the possibility of interaction with the front 13 and rear 14 cylinder covers. On the drive cylinder 12 mounted holder 27 with the possibility of longitudinal slit

Description

one

The invention relates to the mining industry and is intended for the destruction of rocks by pulsed jets.

The aim of the invention is to increase the efficiency of a pulsed water jet by increasing iiacTOTbi pulses.

The drawing shows a pulse water cannon, a general view.

The water jet comprises a barrel 1 with a nozzle 2, provided with an opening 3 through which water is poured, a heavy piston 4, a receiver 5 for a working agent connected to a piston cavity 6, and a light piston 7, the front end 8 of which is placed in the nozzle 2, and the rear the end 9 is in the cavity 10 formed inside the heavy piston 4, which is provided with an elastic element 11. The heavy piston 4 has a drive mechanism which is located coaxially with the barrel 1 of the driving cylinder 12, closing the front 13 and the rear 14 on both sides lids within which Position the actuator piston 15, 16 soedinenny draft type with the heavy piston 4.

The front rim 13 of the drive cylinder 12 is provided with a hole 17., and its cylindrical part has a radial hole 18.

The drive piston 15, the diameter of which exceeds the diameter of the heavy piston 4, has a device for transferring gas from the front cavity 19 of the cylinder to the rear cavity 20, which is a channel 21 and a valve 22 made in the form of a plunger which is located in the socket 23, moreover, the valve 22 from both ends is provided with stops 24 and 25, the length of which is equal to the length of its cylindrical part.

A cylinder 27 with internal protrusions 28 and 29 is mounted on a drive cylinder 12 with a radial bore 26, Hole 26 is equipped with a throttle 30 for controlling gas flow, and the drive piston 15 has an axial rod 31, the rear end of which goes out of the cylinder 12.

The water cannon works as follows.

With the help of the pull 31 of the drive piston 15 and the rigid piston 4 rigidly connected with it, the heavy piston 4 with the light piston 7 is moved to the extreme left position. In this case, the piston 15, interacting with the protrusion 28, moves the sleeve-27, which aligns the holes 18 and 26, and the cpore 24 of the valve 22 hits the front cover 13, and the valve 22 moves to the extreme right position and cylindrical

partially overlaps the rear end of the channel 21. Gas is injected into the receiver 5 and the zaporshnevoy cavity 6. Under the action of gas pressure and the difference of the diameters of the drive 15 and heavy 4 pistons, they move to the extreme right position. The light piston 7 releases the opening 3, through which water is pumped, and through the combined openings 18 and 26, air flows out of the cavity 20. When the extreme right position is reached, the stop 25 of the valve 22 hits the back side - the cover 14, the valve 22 moves to the leftmost position and release the channel 21, through which the gas instantly from the cavity 19 flows into the cavity 20 due to the fact that the area of the hole 17 and the channel 21 are large enough. When this piston 15, interacting with the protrusion 29, moves the yoke 27, which covers the hole 18.

The cavities 19 and 20 equalize the pressure, the drive piston 15 is unloaded and, together with the heavy piston 4, rushes to the extreme left position due to the effect of gas pressure on the end of the heavy piston 4. At the same time, the valve 22 is held in the leftmost position due to the area differences between the front and rear ends of the valve 22, and the light piston 7 closes the orifice 3, the water in the nozzle is compressed and ejected.

After reaching the leftmost position, the cycle is repeated, i.e. the valve 22 closes the channel 21 and the drive piston 15 begins to move the heavy piston 4 to the extreme right position due to the fact that the gas pressure in cavities 6 and 19 increases, and in the cavity 20 decreases as gas from it flows out through the aligned holes 18 and 26. The hole area 26, and therefore the gas flow rate, is controlled by the choke 30.

F o rmula of the invention

Claims (3)

1. A pulsed water jet comprising a barrel with a nozzle, a heavy piston installed in the barrel, a piston cavity of which is connected to the receiver for the working agent, a light piston located in the piston head and a kinematically connected heavy piston. five 0 five 0 five 0 five 0 five and a drive mechanism for a heavy piston in the form of a cylinder with an opening for the release of the working agent from its piston cavity, closed on both sides of the front and rear covers and in which is located a right-hand water piston, the rod of which is connected to the heavy piston, characterized by the fact that, in order to work efficiently by increasing the frequency of the pulses, it is equipped with a valve and mounted coaxially on the cylinder of the drive mechanism with the possibility of longitudinal movement along a sleeve with a radial channel and internal projections pami, which are located inside the cylinder drive mechanism with the ability to interact with the ends. drive piston, and in the front cover there is a hole through which the zaporshnevaya cavity of the heavy piston communicates with the rod cavity of the cylinder of the drive mechanism, while in the drive piston there is a larger channel for connecting the rod and piston cavities of the cylinder of the drive mechanism, and installed with the ability to overlap its channel when the interaction of the piston with the front cover of the cylinder of the drive mechanism, and the radial channel in the cage is located with its combination with a hole in the cylinder of the drive mechanism when the drive piston interacts with the front cylinder of the drive mechanism, 2. The water mist according to claim 1, about tl and h ayu and with the fact that the area of the radial hole in the holder is equal to the hole area in the cylinder of the drive mechanism. 3. The water jet pump according to claim 1, characterized in that the valve is made in the form of a plunger with stops located along its longitudinal axis of symmetry at its ends, and in the body of the drive piston there is a slot for accommodating the plunger in it, while the plunger is installed with the possibility of the longitudinal movement in the socket, and the longitudinal axis of symmetry of the plunger is parallel to the longitudinal axis of symmetry of the drive piston, and the stops are installed with 51456583 ability to interact with before-5. Water cannon pop. 1, otlichanei and rear cylinder grinders with th u and with the fact that it has tgu, water mechanism. one end of which is connected to the drive piston, and the other through an aft made in the rear cover of the drive4. The water cannon according to claim 1, distinguished by its mechanism, is brought out, with Since it has a regulating longitudinal axis of symmetry, a tangible choke is installed in an axis located along the longitudinal axis of the symmetric channel of the tubular armor. III of the drive piston cylinder.