Transformable section of powered support from supporting-enclosing type to enclosing type and vice versa

FIELD: mining.

SUBSTANCE: section of powered support of supporting-enclosing type includes bottom, four-link chain, hydraulic props and enclosing element and supporting element, which are connected to each other. Besides, support section includes mechanical spacers located between stock of hydraulic props and supporting element, active cap with supporting element and angular telescope-type adjusting jack. Active cap has the possibility of being moved upwards by means of hydraulic cartridges, and angular adjusting jack serves for lifting of supporting element with active cap, thus providing transformation of supporting element with a cap and enclosing element to a single enclosing element.

EFFECT: higher labour efficiency due to reducing the time costs on the support installation during change-over to development of thicker or thinner formation.

4 dwg

 

The invention relates to mining and can be used in the operation sections of mechanized roof supports podderjivayushie-protective type of treatment complexes for a seam of minerals by underground mining, as low from 600 mm up to 2200 mm, and thick layers from 4200 mm up to 8000 mm, and transformation sections of powered roof supports podderjivayushie-crash type, crash type, and in reverse order.

Known types section of powered roof supports podderjivayushie-fencing and fencing, installed and maintained according to the method described Yatskaya VG, Spector L.A., Curly A.G. Machines and systems. Edited Vgetty. Textbook for technical schools. 5th ed. Rev. and supplementary M., Nedra, 1984, p.223-226, and which is mentioned in the patent for invention №2387841 "METHOD of INSTALLATION AND OPERATION SECTIONS of powered roof SUPPORTS, they are used independently from each other, for control of roof rocks with hard and easy collapsing classification of rocks in uniaxial compression on a scale of Professor Dov, hydrostone tilted to the blockage in section mechanized lining protective type (Vgetty. Textbook for technical schools. 5th ed. Rev. and supplementary M., Nedra, 1984, p.223-226) and podderjivayushie-protective type according to the patent for invention №2387841.

The disadvantage of known the aqueous podderjivayushie-protective type section of powered roof supports, what is the working out of the reservoir with a fixed maximum capacity, depending on the parameters of this type sections of powered roof supports. If this type of section of powered roof supports there is no possibility to modify, disclose, to push as a shield during operation of the lava, depending on increasing the capacity of the reservoir, using the same complex of powered roof supports, as for thin layers and for testing mineral thick layers, which is a cause of significant loss of production of minerals. When increasing the power of the working layer are large losses of minerals, when moving to a new layer mineral, more powerful, we need a new mechanized complex type size with a more powerful separation section of powered roof supports, which leads to an increase of the financial expenses of the company.

Objectives of the invention are the possibility of transformation sections of powered roof supports from one type to another type when changing the capacity of the reservoir, to prevent a significant loss of the mineral and the increase of extracted mineral from the same lava, reduction of material costs and time when the transition to the development of more powerful reservoir, improving performance t the UDA, improving the safety of mining operations, increasing the life section of powered roof supports.

The technical result of the claimed invention is the possibility of transformation sections of powered roof supports changing the thickness of mineral, improving the safety of mining operations, increasing productivity, saving financial costs, longer life section of powered roof supports, extending the operating life of the treatment mechanized complex.

This technical result is achieved by the fact that the used method of installation and operation sections of powered roof supports, that is described in the patent for invention №2387841 "METHOD of INSTALLATION AND OPERATION SECTIONS of powered roof SUPPORTS, and a corner of the telescopic Jack correction, the supporting element on a modified active visor, when specified in the patent for invention №2387841 method of installation and operation podderjivayushie-protective sections of powered roof supports, when the shield section is fully extended, the hydraulic jacks extended the full length of the divergence and mechanical prostavasin between the rods of the jacks and the supporting element section of powered roof supports are fixed on the lower final position, and the capacity of the reservoir increases, then e is th case are modified active visor supporting element and the angular telescopic Jack adjustment between the support element and the protective element, at full extension telescopic corner of Jack the correction of the supporting element and the protective element will unfold and stand in one line, and the shield of podderjivayushie-protective type is transformed into a shield of protective type with a supporting element on a modified active visor.

Physical processes consist in the transformation of several elements section of powered roof supports podderjivayushie-protective type in one protective element with a supporting element on a modified active visor section mechanized lining protective type. The influence of physical processes on technical effect - shield was transformed from podderjivayushie-crash type crash type.

The invention is illustrated by drawings, where figure 1 shows the disclosure podderjivayushie-protective sections of powered roof supports in a known manner specified and described in the patent for the invention №2387841; figure 2 shows the disclosure of the modified active visor 5 with the supporting element 6 on it relative to the supporting element 4 of this section mechanized lining of the claimed method; figure 3 shows the result of the claimed method of transforming section mechanize vannoy lining of podderjivayushie-protective type in the shield of the protective type with a supporting element on a modified active visor; figure 4 shows the extreme maximum position of the section of powered roof supports in the process of transformation, and enclosing the element section of powered roof supports from the extreme upper position A1 podderjivayushie-protective type will occupy the topmost position B of the protective type, a supporting element in the section of powered roof supports podderjivayushie-protective type is transformed into a protective element section mechanized lining protective type and will take the position B, the protective element 3 from the extreme upper position A1 takes the position B of the protective type and position And podderjivayushie-protective type.

The shield consists (1) of the base 1, chetyrehzvennoy 2, connected by an enclosing element 3 and the supporting element 4, the modified active visor supporting element 5 with support on the element 6, hydropattern 7, the angular telescopic Jack correction 8, rod hydraulic jacks 9, mechanical proctavia 10 located between the rod hydrostone 9 and the supporting element 4 of this section of powered roof supports, all of these elements section of powered roof supports are a multi-link mechanism, the supporting element 4 and the modified active visor 5 with support on it, but Tom 6, which in the present section of powered roof supports transformed into one of the protective element in the transformation process and the disclosure section of powered roof supports, roll 11, the formation of minerals, the capacity of the reservoir 12, the height of the lava h1 13 ground 14, the roof 15.

Declare section transformer powered roof supports are possible with the method of installation and operation sections of powered roof supports, which is specified in the patent for invention №2387841, and angular telescopic Jack correction 8 (Figure 1, Figure 4), the modified active visor 5 with the supporting element 6.

The inventive device operates as follows: the transformation section of powered roof supports from podderjivayushie-crash type, crash type, according to the installation and operation podderjivayushie-protective type, as described in patent No. 2387841, when the capacity of the reservoir extracted mineral increases with the height of the lava h2 (Figure 2, Figure 4), there are rods of the jacks 9, mechanical prostavasin 10 raised and fixed on the lower maximum position, begins to work a modified active visor 5 with the supporting element 6, rises up with hydropattern 7 and takes the load of the roof 15 of the supporting element 6, and then, when hydropathy 7 disclosed maximum, the ass is contained in the working angle of the telescopic Jack correction 8, the supporting element 4 with modified active-shield 5 with the supporting element 6 is lifted upward, gaining altitude, the power, the angle between the support element 4 and the enclosing element 3 turns for increasing the capacity of the reservoir of minerals, enclosing element 3 from the provisions of section mechanized lining A1 podderjivayushie-protective type will occupy an initial position and a shift position B section mechanized lining protective type, h2-h3 (Figure 2, Figure 4), the modified active visor 5 with the supporting element 6, the supporting element 4 and the protective element 3 is transformed into one of the protective element 3, and the section from podderjivayushie-protective type of powered roof supports transformed into the crash type, when the height of the lava h3, the capacity of the reservoir 12 (Figure 3, Figure 4), are transformed into a purely protective section type of powered roof supports, or, conversely, from section mechanized lining protective type transformation in the shield podderjivayushie-protective type occurs in the reverse sequence.

Thus, the appropriateness of the claimed section of the transformer mechanized lining is due to the fact, that the transformation section of powered roof supports from one type to another type as a result is their change capacity of the reservoir, performances in one line three elements section of powered roof supports, we do not leave the framework of theorem Rivals (hämäläinen V.A. Theoretical mechanics: a Textbook. manual / Vahaelainen, Rtherianto, Naudaskalna; Kuzbass. state technical University, Kemerovo, 2001. - p.93-98), described in the patent for the invention №2387841 section transformer mechanized lining reduces the amount of time during the transition to the development of more powerful seam or transition practicing thinner (thin) layer, reduces material costs on the purchase of a new mechanized complex or sections of powered roof supports, reduces, eliminates material costs of dismantling and erection, increases the lifetime of the sections mechanized mechanized roof supports complex, providing high effect, high productivity, savings in financial costs, improves health and safety.

Shield podderjivayushie-protective type contains a base, chetyrehzvennoj interconnected by means of a protective element and the supporting element, characterized in that it further comprises a mechanical prostavasin located between the spindle legs and a supporting element, the active visor with a supporting element is arranged to move up through hydro is adronov, and angular telescopic Jack correction for lifting up the supporting element with the active visor, providing a transformation of the supporting element with visor and protective element in a single protective element.



 

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