SU644843A1 - Hydraulic gun for plugging blast furnace taphole - Google Patents

Description

(54) HYDRAULIC GUN FOR DRILLING THE DOMAIN OVENS

placed inside the cylindrical extension, and the 1dr hydrocyles are suspended from the column, equipped with two tsaif planes, fixed on the said console, the hydraulic cylinder extension is made with longitudinal guides and end grooves, fixing the container of the flowable mass, and its toe is equipped with a hydraulic clamp.

FIG. 1 shows the proposed hydraulic nose for driving a notch, general view; in fig. 2 - the same in terms of; FIG. 3 is a section A-A in FIG. 2; in fig. 4-section .5-B in FIG. 2; pa flg. 5 shows a section B-B in FIG. 2; in fig. 6 - section G-Y in FIG. 3

The hydraulic actuator includes a hydraulic cylinder 1 with a piston 2 connected by a brush 3 with a receiving cup 4 that envelops it 4 working pressure 5 moved inside container 6 with a flow weight 7. The container filled with a flow weight 7 is installed with a separate lifting device with a load-lifting body 5 in the cylinder I and, on the outer surface of the container 6, are made longitudinal W, in contact with the guide grooves corresponding to them in shape, made on the inner surface of the cylinder 9. Kt The cylinder 9 is attached with a folding sock 12, equipped with brackets 13, covering the integral part of M and 15. The shaft is installed in the flanges 16, 17, 18 of the cylinder 9. The shaft parts 14 and 15 are connected with the corresponding crown. 13 of the sock folding sock 12 wedges 19. With the shaft part 15, the gear wheel 20 is rigidly connected, the idea of engagement with the rail 21 is from the hydraulic actuator 22. Rests 23 are attached to the cylinder 9, limiting the shift of the rail 21. The folding toe 12 is fixed in the closed state with the help of a bracket 24 hydraulic clamp. The hydraulic cylinder 1 is attached using pins 25 with the possibility of adjusting its position in the axial direction relative to the pins 25 and the console 26, which can be rotated about its horizontal axis. The console 26 is mounted in a column 27 rotatable relative to the vertical axis. To fix the hydraulic gun at the time of entry of the blast furnace notch 25 in the base plate 29 of the column 27, a groove is inserted into which the retainer 30, driven from the hydraulic drive 31, enters. The container 6 is provided with an external face protrusion 52 dl the engagement of the load gripping body 8 and the internal end protrusions 33 and 34 for fixing the extreme positions of the working piston 5.

Hydraulic gun works as follows.

When filling with the flow weight 7 of container 6 (which is produced not

644843

guns), the working piston 5 is in contact with the protrusion 34 and forms a DPO of the container 6, and the opposite end of the container is closed, for example, with a plastic film.

In order to insert the container 6 into the cylinder 9, the gun is turned relative to the cantilever 26 to a vertical position and, with a turn relative to column 27, it is moved away from the trench of the trench. Using a separate lifting device with a lifting body 8 supporting the container 6 behind the ledge 32, install the container 6 in the cylinder 9, whereby the longitudinal projections 10 enter into the guide grooves 11. After the working piston 5 contacts the piston 3, the piston 2 located under the pressure created by the hydraulic cylinder /, the weight of the container 5 ceases to act on the load gripping body 5, as a result of which the latter expands and does not participate in the further installation of the container 6. In the hydraulic cylinder / there is a pressure and pressure the piston 2, which promotes the retraction of the rod 3 into the hydrocylander / until the container 6 is fully installed in the cylinder 9. After that, the single-stage drive 22 moves the rail 21 in translational motion, as a result of which the gear wheel 20 engages with it, non-rotation through parts 15 , 14 of the shaft of the hinge pin 25, the sock 12 is closed, the hydraulic actuator 22 is turned off, after which the hydraulic clamp 24 presses the sock 12 to the cylinder 9.

The gun is rotated relative to the console 26 to a horizontal position and, with the help of a rotary column 27, is guided to the billet of the blast furnace 28. When the sock 12 is grazed, the blast furnace 28

using a hydraulic actuator 31, a plant t clamp 30 into the groove in the support plate 29 of the column 27. For the entire period of the forging, the pressure in the hydraulic drive 31 is held to hold the lock 30 in

cast in a string 27. In the hydraulic cylinder 1, a pressure is applied which acts on the piston 2 in the direction of pushing the rod 3 out of the hydraulic cylinder /, as a result of which the rod 3 acts on the working piston 5, which

moves inside the container 6, squeezing the taped mass 7 into the sock 12, and from there into the bay. In contact with the working piston 5 with the inner protrusion 55 of the container 6 hydrocyli.dr / off. After

holding the hydraulic gun at the tap for the time required to dry the tap, the gun is removed from the tap and set to vertical position, the hydraulic clamp 24 is retracted to the side using hydraulic drive 22 with the rail 21 and the toothed wheel m 20 toe 12 is retracted to the side . The hydraulic cylinder / is again switched on, whereby the container 6 is pushed out of the cylinder 9 to the distance required for

opening behind the outer protrusion 52 of the copteine-pa 6 of the gripping body 8, with which the container 6 is dismantled. The installation of the next container 6, filled with a taped mass 7, is carried out in the order described above.

The invention eliminates the need for manual labor to refuel the pump, helps to increase the service life of the gun while reducing the time to refuel the gun, because in the launch of the proposed design, the air mass is in contact with the container, which can be promptly replaced. In addition, the pump of such a construction has smaller dimensions in plan than the prototype, and does not impede the conditions of service of the trench of the trench.

Claims (1)

1. US Patent No. 3682456, cl. From 21 to 7/12, 1972. -R--.  yiffi er, | th-a-.gp; | r: O. S1SSH SSSSSSSSSv .... ir gcizi 9 T1Y: 2Ezg2g2gg: yy2gzh223222232chg  111 G | Yt7 JjMdi-. V L, ... iiiiLai - -ii w-y- Bs 23 21: // L /