SU964173A1 - Powered support - Google Patents

Description

one

The invention relates to the mining industry, primarily coal, and can be used to move sections of lava support on flat, sloping and steep seams.

Mechanized roof supports are known, including devices for moving support sections, made in the form of a housing with thrust and travel hydraulic jacks mounted across its longitudinal axis .1 J.

The disadvantage of this technical solution is the laboriousness of the operations of installing the mover relative to the section being moved and the bulkiness of the structure.

The closest technical solution to the present invention is a mechanized support, comprising sections with guides mounted on their bases, a mobile device placed in the direction of and consisting of a body with protrusions and a hydraulic jack shifter C2j.

The disadvantages of lining are the complexity of manufacturing, the complexity of remote control of three groups of hydraulic jacks, as well as the cumbersome design, which limits the scope of application.

The purpose of the invention is to simplify the con, 0 structure.

The goal is achieved by the fact that the guides are made in the form of a block of brackets with grippers with a bolt of support, one of you, 5 stupas of the shearer's body is made flat, and the other is in the form of a T-shaped face stop, while the projections are placed with captures 20 brackets.

FIG. 1 shows a mechanized lining with an advancing explorer, general view; in fig. 2 - staple block; in fig. 3 - pedestrian case; 3 9 of FIG. "Fastening the block of brackets to the base of the support section; in fig. S lining at the time of shifting the right to the lining support; in fig. 6 is a view A of FIG. five; in fig. 7 section bb in fig. f in FIG. 8 - position of the housing of the peredvizchik and hydraulic jack. (node I in Fig. 5) after shifting the right end lining section; in fig. 9, the support when the second section of the support begins to move; in fig. 10 is a sectional view BB in FIG. 9; in fig. 11 - support at the moment of the start of the movement of the left end section. Mechanized lining contains sections a, b, c, d, d, e, i, k, and guides, made in the form of a power brace block 1, fixed on the bases of the lining sections. Between the brackets of the blocks, the case of the mobile unit 3 is arranged to be parallel to the bottom line. The body is made in the form of an L-shaped beam, having a flat protrusion L and a T-shaped face stop 5. The mobile device 3 is equipped with a sliding hydraulic cylinder 6. elements 7 connected to winches 8 mounted on the upper Y and lower 10 drifts. The hydraulic jack 6 of the sliders with hydraulic lines 11 and 12 (fig. 3), which are single with the pumping station, are connected through the control spool 13 to the pressure and drain lines of the pumping station (not shown) mounted on the drift or on the shearer's case. On the case of the shifter, there is also a guide roller. The case of the Advancer 3 is placed between the brackets 2 blocks of the brackets 1 fixed on the bases of the lining sections, b, c, g. The hydraulic jack 6 is located in the center of the section a (right end section). The position of the hydrate of Krat 6 and the housing of the Advancer 3 is fixed by a T-shaped end stop 5, which abuts against the side shield 15 of the bracket block (Fig. 1 and 2) and counteracts the movement of the sections to the left. Flexible traction elements 7 are connected to the hull of the Advancer 3 and the winches 8 mounted on the drifts 9 and 10. The butt end 16 (FIG. 3) of the protrusion of the hull of the Advancer 3 interacts with the grippers 171 of FIG. 2 and A of staples 2, with such an arrangement of the box 4 of the Advancer 3, it is displaced parallel to the bottom line and opposed to moving it towards the blockage when moving section a and subsequent sections b, c, d, etc. hydraulic jack 6 to the bottom. The mining machine-18 is in the right extreme position. In the event that the hydraulic lines 11 and 12 are led out on the drift, they are fastened with brackets to the flexible connecting element 7 and are located between the brackets of the blocks of brackets 1 of the securing section, g, d, e, etc., and the control spool 13 ( Fig. 3) is installed on the control panel of the pump station installed on the drift, and the hydraulic line 11 is connected to the drain line 12 via the control spool. As a result, the working fluid from the pumping station enters the control valve 13 via the main valve 11, and from there drain tank, mine hydraulic jack 6 which is in a shifted position. Inside the power brackets 2, there is a guide wall 19, with the brackets being able to perematsya on the planes 20 of the hull of the mobile unit 3. The support sections move in the following way. After the mining machine 18 (Fig. 5) has passed the calculated distance, turning the knob of the control spool 13 (Fig. 3) turns the hydraulic line 12 to the pressure line of the pumping station, and the main line 11 to the drain line. The working fluid from the pumping station through line 12 enters the piston cavity of the hydraulic jack 6, and from the rod end of the hydraulic jack 6 enters the drainage capacity of the pumping station via highway 11. The hydraulic jack stem moves in the direction of the face and impacts the wall 19 of the power clamp 1 unit (Fig 5 and 2), moves the section and the lining to the line of the slab by the step of shifting. In this case, the housing of the propulsion unit 3 retains its original position, and the brackets 2 move along the planes 20 (Figs. 2 and 6) of the housing of the propulsion unit 3, since there are no projections t on these planes. The housing 3 in the initial position is held by the clamps 17 of the brackets 2 (Figures 2 and 7) of the lining b, c, d sections (Fig. 5 5 and 7), which, acting on the ends 16 of the hull projection k, prevent it from moving towards the dam. After advancing the section a and T-o, a different end stop 5, (figs. 3 and 6) of the case of the explorer 3 is positioned between the brackets 2 and their grippers 11, 17, as a result, the case of the progressor 3 receives a degree of freedom in a direction parallel to the bottom line. After this, line 12 of control valve 13 (Fig. 3) is switched to the drain, and line 11 is connected to. pressure line pumping station. The working fluid from the pumping station enters the rod 11c of the rod cavity of the hydraulic cylinder 6, and the liquid from the piston cavity of the hydraulic cylinder 6 enters the merged capacity of the pumping station and through the line 12. As a result, the rod of the hydraulic cylinder 6 returns to its initial position (FIG. 8) which also makes it possible to move the hull of the explorer 3 to the right. Then, winches 8 (fig. 9) are turned on. The winch mounted on the drift 9 releases the flexible traction element 7, and the winch mounted on the drift 10 pushes the body of the propulsion unit 3 of the hydraulic line 11 and 12 to the left until the L-shaped contact of the TOR 5 stop 5 (Fig. 3 and 9) in the side shield 15 of the block of brackets 1 of the cross section b. In this case (Fig. 10), the T-shaped face stop 5 engages with the grippers 17 of the left bracket 2, the block of brackets 1 of section a. Thus, during the movement of the sections, lining b, c, d, etc. the case of the explorer 3 is prevented from moving in the direction of the heap by the supports 17 of the brackets 2, interacting with the protrusions 4 of the case of the explorer 3 and the grippers 17 of the left brackets of the section already moved, interacting with the L-shaped end stop 5. After the case of the forwarder 3 is taken the position for shifting the support section b (Fig. 9), the main line 11 and the main line 12 (Fig. 3) with the control valve 13, to the drain and pressure lines of the pumping station, respectively. The working fluid through line 12 enters the piston cavity of the hydraulic cylinder 6, and the liquid in the rod cavity of the hydraulic cylinder 6, along line 11 through 3, steps into the drainage tank. The hydraulic jack 6 closes and moves the lining b section (Fig. 9) to the bottom by a step of the shifting, after which the operation cycle of the device to move the lining sections in, d, d, e, and and to repeats. The spinning of the LSV11 part of the Advancer 3 (FIG. 11) towards the open space during the shifting of the left end section of the support is prevented by engaging the case with the stop 21 mounted on the case of the winch 8, or depending on actual conditions (support support, spacers and devices) in one of their elements or in racks of 22 tunnel lining, which are installed after each landing of the roof when cleaning works in the lava without redeeming the drifts. And spinning the right side of the case of the sliders 3 in the direction of development is prevented by the clamps 17 of the brackets 2 of the shifted lining section, which interact with the T-shaped end support 5. After, the section is moved to the hull of the shifter 3, it turns around 180, is installed between the staple 2 and the winch 8 returns to the upper rod 9, where it is set to its original position for moving the securing section (Fig. 0, and the cycle is repeated. In the shuttle method of coal, the device is set to the original position to move the section to The work class is repeated, and the sections are moved in reverse order, i.e., the section is moved to then, etc. In the event that the pump house is located in the peredvik’s body, power is supplied to it by a cable that connects staples with a flexible traction element and takes the place of the hydraulic routes 11 and 12. The use of the proposed isobutyi allows the device to be operated on seams of the sloping, steep and steep Padea, making deserted Foot control operation stroystva, peredvizhika use with commercially available BceMi rap mi.

Claims (2)

1. USSR Author's Certificate No. 121410, cl. E 21 D 23/00, 1957. 2. USSR author's certificate, No. 6132120, cl. E 21 D 23/00, 1977 (prototype). 17 FIG. g View A turned FIG. 6 b- noSeflHym o S to noSepHtf / no