PL157802B1 - Roof supports with tiltable and extendable roof cap - Google Patents

Abstract

1. The invention concerns a mining casing with shake-extension roof-bar, having sill piece and anti-caving shield connected by set of pull rods and hydraulic brackets supporting principal roof-bar equipped with shake-extension roof-bar and attached by articulated joints protection of longwall head attached on end of extension section, characterised in that inside box-like construction of shake-extension roof-bar (6) it has at least one shake servo-motor (11) and at least one shield (14) servo-motor (13) of longwall head situated in relation of one to another in different planes, whose intersection edge is perpendicular to axes of roof-bars (5, 6), and servo-motor (13) of shield (14) of longwall head is attached by one end to two parallel shoes (16) sliding in guides (15) situated inside shake-extension roof-bar (6), creating after folding of shield (14) of longwall head a closed space.<IMAGE>

Description

REPUBLIC

POLAND

© PATENT DESCRIPTION © PL © 157802 © BI

Application number: 271484

Patent Office of the Republic of Poland

Date of notification: March 28, 1988

IntCl ⁵ :

E21D 17/04 E21D 23/06

READING -CGQt AND A

Mining casing with a swing-out canopy

@ The holder of the patent: ⁽⁴³⁾ gloszeme ^g of łoszono: Glinik Drilling and Mining Machines Factory ”, Gorlice, PL October 2, 1989 BUP 20/89 © Inventors: Jan Domiczek, Gorlice, PL Jerzy Czaja, Gorlice, PL Karol Biernacki, Gorlice, PL Anzelm Gościmiński, Gorlice, PL ©> The grant of the patent was announced on: 07/31/1992 WUP 07/92 Andrzej Sniegowski, Gorlice, PL Czesław Wolski, Zagórzany, PL Stanisław Belczyk, Zagórzany, PL Marek Olszański, Gorlice, PL

PL 157802 BI

57} 1 · Mining casing with a tilting and extending canopy, with a floor and caving cover connected with a system of rods and hydraulic supports supporting the main canopy provided with a tilting and extending canopy and an articulated cover of the face of the wall mounted at the end of the extendable part, characterized by the fact that inside the box structure of the canopy (6) the tilt-and-slide cylinder (11) has at least one extension cylinder (11) and at least one cylinder (13) of the cover (14) of the wall front placed in different planes, with the intersection edge perpendicular to the canopy axis (5, 6), whereby the actuator (13) of the cover (14) of the front face is fixed with one end to two parallel slides (16) sliding in the guides (15) located inside the tilt-and-slide canopy (6), forming a closed wall cover (14) after folding space.

MILLING HOUSING WITH TILT-RETRACTABLE SLEEVE

Claims (2)

Patent claims 1. Mining casing with a tilt-and-slide canopy, with a floor and a cover connected with a system of rods and hydraulic supports supporting the main canopy equipped with a tilt-and-slide canopy and a permanently placed cover of the face of the wall, fixed at the end of the extension section. the structure of the canopy / 6 / tilting and sliding-out has at least one actuator / 11 / extension and at least one actuator / 13 / guards / 14 / wall fronts located in different planes, the intersection of which is perpendicular to the axis of the canopy / 5, 6 /, with the actuator / 13 / guards / 14 / of the face of the wall fixed at one end to two parallel slides / 16 / sliding in guides / 15 / placed inside the canopy / 6 / tilting and sliding, forming a cover / 14 / forehead after folding the walls have turned this space. 2. The housing according to claim 1 3. The tool as claimed in claim 1, characterized in that the dictionary / 13 / of the cover plate is placed under the extension dictionary / 11 /, and the slides / 16 / have a T-shape. The subject of the aforementioned solution is a casing with a tilt-and-slide canopy, intended for use in decks with brittle ceilings and with a thickened wall cover. The canopy of the mining support, known from the Polish patent description No. 135542, shows a part of the canopy which is extended with a cover of the face of the wall. The pull-out log at the lowered end has an articulated cover of the face of the wall, supported by a hydraulic dictionary and with the other end to the end of the roof bar, pull-out. To the same end, similar. The force is attached to the canopy, and it is attached permanently to the feed canopy. This type of roof board protects the frob ceiling with the same shape as the rigid structure of the extension canopy,]. Placing the canopy extension actuator behind the tilting cylinder of the wall front cover creates a long set of the largest sum of lengths (two spaced cylinders. The next canopy constructions are provided with a tilting and extending canopy in order to properly support the ceiling near the side of the side wall) and with a wall front cover. Known housings for the main canopy create a transversely attached tilting canopy. It is supported by a dictionary placed at the ends of the main and mechanical canopy. On the half of the tiltable canopy there is an extendable canopy finished with a cover of the face of the wall. The end of the cylinder controlling the position of the wall front cover is located under the bottom plate of the tilting canopy, on the cross bar. The aim of the invention is to develop a built-up enclosure with a multifunctional canopy with the optimization of its length and depth. The essence of the invention consists in placing at least one extension dictionary and at least one cylinder of the wall front cover in a box structure of the tilt-and-slide canopy of the mining support. The retraction cylinders and the cover of the face of the wall are placed in relation to each other in different planes, the edge of which is perpendicular to the canopy axis. The cylinder for the cover of the face of the wall is attached with one end to both ends 157 802 parallel slides placed in the inner part of the swing-out canopy, creating a closed space after folding the front wall cover. It is preferable to place a dictionary of the wall front cover under the feed dictionary and make a slash in the shape of the word. The design of the mining support with a swing-out canopy according to the invention makes it possible to place both dictionaries in a swing canopy in order to adapt it to the shape of the roof. The fastening mechanism of the wall front cover, mounted with it inside the canopy, limits the height of the canopy, allowing for a larger passage under the canopy. Konnin / a tilt-pull-out canopy allows the use of side covers. Object of the invention It is presented in an exemplary solution in the drawing, in which fig. 1 shows a mining support with a tilt-and-slide canopy in a side view, fig. 2 - a part of a canopy in a longitudinal section, fig. 3 - a tilt-slide canopy in cross-section. transverse with one extension dictionary, while Fig. 4 - the same canopy with two extension cylinders. The mining support has hydraulic supports 2 and rods 3 of the lemnisnat node attached to the looseness 1. The cover 4 supporting the cantilever together with the supports 2 of the main canopy 5 is attached to the other ends of the rods. The main roof structure is made in the form of a box with sockets for mounting the hydraulic subfields. The end of the canopy 5 has a bolt connection that fastens the tilt and slide canopy 6. Under the canopies 5 and 6, brackets are placed for attaching deflecting dictionaries 7 to the intended position, the canopy 6 is swung out by means of an extension. The riser 6 has an upper plate 8 connected via an intermediate plate to the side supports 9 and the middle supports 10. The space between the central supports 10 shown in Fig. 2 has, under the upper plate 8, the extension actuator 11 fixed with one end 12 to the bracket placed inside the canopy 6. The other end of the extension motor 11 is attached to the element moving the upper plate 8 by the stroke length of the actuator 11. Most preferably it is place the extension cylinder 11 parallel to the top plate 8. Under the actuator 11 there is the actuator 13 of the cover 14 of the front of the postpartum wall, the joint for the canopy 6 at ^Γ0 C ¹ yy · nł · - ^ ^3U 'Wlia. In order to suspend it between the supports 10 centers were made by a wire. 15 comprising slides 16. The slides may preferably have a thread shape and a length exceeding the pitch of the dictionary 13. The end of the actuator 13 is connected to the slides 16 smoothly sliding in the guides 15, and the other end is fastened close to the pivot of the face shield 14. In the collapsed state, the cover 14 closes the space between the outer supports 9. For the upper sheet 8, side shields 17 can be used. Figure 4 shows a roof canopy provided with two face shields 14. 157 802