SU1052645A1 - Drill pipe mechanism - Google Patents

Abstract

STORAGE FOR DRILLING RODS, containing a cylindrical body, outer, secondary and inner rod-bearing sprockets 7 22 ki, carrying the corresponding rows of drill shtangs, a rotary shaft with external rod-bearing sprockets mounted on it with the possibility of axial movement and a shaft rotation drive, including a hydraulic cylinder, a lever with locking elements and ratchet mechanism, characterized in that, in order to simplify the design, the rod-driven sprockets of the outer row are provided with shells and have openings located around To accommodate the ends of the drill shtangs of the middle and inner rows, the rod-driven sprockets of the middle row are installed with the possibility of axial movement on the sides of the outer sprockets. 7G F1 / g. / 21 2D 25 8

Description

The invention is from mining to the mining industry, in particular to devices for storing and dispensing drill rods in the process of drilling and receiving reverse rods} 1o to the magazine when removing the drill rod from the well. A drill rod shop is known, which contains a cylindrical body with covers, a rotary shaft with sprockets, asterisks and a turning method that turns on a hydrocylinder and a xrp mechanism associated with it. For issuing the rods from the magazine and receiving them back into the magazine, sequential turns of the guide stars and the position of the rods 1 are carried out. The disadvantage of this device is the lack of myogorn placement of the rods. Also known is a magazine for drill sockets with a cylindrical body, medium middle drill rod-bearing sprockets carrying the corresponding row of drill rods, rotary off-hook with axially mounted outer rod-bearing sprockets and shaft rotation actuator including hydraulic cylinder, lever with fixing arms. elements and ratchet mechanism 21. A disadvantage of a well-known store is the complexity of the design (the presence of large numbers of moving stars and the need for of the first axial displacement year for each star). The purpose of the invention is to simplify the design of the shop. The PM is achieved by the fact that the store for drill shtangs, which contains a cylindrical housing, outer, middle and inner rod-bearing sprockets, bearing the corresponding rows of drill rods, a rotary shaft with external rod-bearing sprockets mounted on it, and shaft rotation drive, including a hydrocylshadr, a lever with locking elements and a ratchet mechanism, the pinned sprockets of the outer row are provided with shells and have a hole arranged circumferentially to accommodate ontsov drill rods vkutreniih medium and rows, wherein shtaschgoveduschie sprocket middle row are mounted for axial movement on the sleeve outer Stars. FIG. 1 shows the store, a general view, a longitudinal section; in fig. 2 is a view of an arrow A and FIG. 1. The magazine consists of a cylindrical body 1 with end caps 2 and 3, a rotary shaft 4, on which internal (small) sprockets S and 6 are seated with fixed key joints and with outer (V) large joints of sprockets 7 and 8. The outer axle-driven sprockets are mounted on the shaft in the desired position by spring-loaded clips 9. Drill rods 10 are installed in the arms of the sprocket-driven sprockets 10. And case 1 has a window 1 for issuing and receiving rods. The drive rotation of the shaft 4 consists of ghzdrotsilindra 12, pivotally connected to the cover 3 and the lever 13, fixed to the housing 14 of the ratchet. The ratchet wheel 15 and Shgünke is seated at the end of the shaft 4, and the spring 16 of the shaft 16 is mounted on the axis in the housing 14 of the ratchet. The lever 13 is provided with an outlet 17-19 at different distances from the axis of the shaft 4. The number of holes corresponds to - the number of rows of rods in the magazine. At the same stroke of the rod of the hydraulic cylinder 12, depending on the point of its connection with the lever 13, the angle of rotation of the shaft 4 with the driving sprockets corresponds to the angle of installation of the rods in a certain row. Rings 20 and 21 are rigidly attached to the disks 7 and 8, on which, using the screws 22 and 23, with the axial movement of the axial movement, the average shtanged driving stars and 24 and 25 are installed. The shop works as follows. After installing the magazine, the drill-in mast of the drilling machine, a man-puller (not shown) is inserted inside the barrel-shaped case 1 through the window 11, seizes the bar of the outer row located opposite the window, and, through the window 11, feeds it to the drilling axis. Then, hydrodili 1-schr 12 is put into operation, which, by its influence. lever 13, ratchet casing 14 l. dog 16, turns the ratchet wheel 15 with the shaft 4 and the rod-leading sprockets on the step of installing the rods in this row. At the end of the stroke, the hydrostart rod: 12 is brought to window 11 of the housing 1. During the return stroke of the rod G: shirotsshtshshra spring-loaded doggie 16 times a shzig on the teeth of the ratchet wheel, did not lash it. After issuing the last rod from the external row, the disks of the external shtanged heads of sprockets 7 and 8, either manually or with a special cylinder (not shown), are retracted to the side along shaft 4 to the next lock 9. 10 remain in the same places relative to the housing. When driving discs 7 and 8 stuni1

Stars 24 and 25 slides but shells HJ 20 and 21 all the way to the butt end.

After that, the rod of the hydraulic cylinder 12 connects to the hole 18 of the lever 13. The magazine is operated in the same sequence as before, and the manipulator captures the bars of the middle row. After issuing all the rods from the medium row, the discs 7 and 8 are retracted to the extreme divorced position, and the hydraulic cylinder rod is connected to the hole 19 of the lever 13. The manipulator extracts the iggangs of the inner row.

The magazine operation when receiving rods is carried out in reverse order. First, the rods are placed in the inner row in the grips of sprockets 5 and 6. Then the disks 7 and 8 are shifted by one position, and the middle rod-driven sprockets 24 and 25 are set all the way to the inner ends of the shells 20 and 21.

nineteen

G2

At full load, the store bar rods of the middle and inner row rods are kept from accidental discs of outer sprockets with holes in the ends of the rods in the holes. After unloading the outer row and diluting the discs of the outer sprockets and one position to remove the rods from the sprockets of the middle row, the rods of the inner row are prevented from falling out by the shells 20 and 21.

The expansion of the magazine with movable outer rod-driven sprockets, in the disks of which there are holes for the rods of the inner rows, makes it much easier to design by reducing the number of drives for axial sprocketing. And the installation of middle stars on the shells of external stars allows to simplify the configuration of stars.

70

76

fig.g

Claims (1)

DRILLING ROD STORE, comprising a cylindrical body, outer, middle and inner rod guide sprockets carrying respective rows of drill rods, a rotary shaft with axial movement of the outer rod guide sprockets and a shaft rotation drive including a hydraulic cylinder, a lever with locking elements and ratchet mechanism, characterized in that, in order to simplify the design, the rod-guiding sprockets of the outer row are provided with shells and have holes located in circles for I placement of the ends of the drill rods of the middle and inner rows, with the rod guide sprockets of the middle row installed with the possibility of axial movement on the shells of the outer stars. 7 24 22 5 10 10 10 77 21 23 25 8 about SU, 1052645 FIG. /