Temporary reinforcing and supporting device for coal mine tunnel

Abstract

The utility model discloses a temporary reinforcing and supporting device for a coal mine tunnel, and relates to the field of temporary supporting in the tunneling process, the temporary reinforcing and supporting device comprises a temporary supporting mechanism installed at one end of a permanent supporting mechanism, the permanent supporting mechanism comprises a plurality of vertical rod assemblies, and each vertical rod assembly comprises a left supporting rod and a right supporting rod; a top beam is fixedly installed on the tops of the left supporting rod and the right supporting rod through flanges and bolts. The temporary supporting mechanism comprises a forepoling bar, an installation assembly and a baffle assembly. The mounting assembly is mounted below the top beams, the forepoling bar is connected to an inner cavity of the mounting assembly, the baffle assembly is located on the outer side of the top beam at the tail end, and the baffle assembly is placed at the top of the forepoling bar. Due to the fact that the baffle assemblies are arranged, the baffle assemblies are mutually overlapped and stressed and are mutually overlapped with the tail end top beam, when the coal seam roof collapses, better bearing and stress effects are achieved, and the protection capacity is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of temporary support in the tunneling process, in particular to a coal mine roadway temporary reinforcing support device. BACKGROUND

[0002] The temporary support device of the roadway is a protective device for preventing the roof of the coal seam at the tunneling position from collapsing during the tunneling process.

[0003] In the prior art, after the front probe beam is extended, the temporary support plates are simply laid on the top of the front probe beam and are independent of each other. When the roof coal seam collapses, the temporary support plates are easily scattered and even fall off, and the protection effect has room for further improvement. SUMMARY

[0004] The utility model discloses a coal mine roadway temporary reinforcing support device.

[0005] To achieve the above object, the utility model provides the following technical scheme: a coal mine roadway temporary reinforcing support device, including the temporary support mechanism of installing in permanent support mechanism one end, permanent support mechanism includes multiple groups of vertical pole subassembly, a group vertical pole subassembly includes left and right two support poles, and the top of left and right two support poles is fixedly installed with roof beam through flange, bolt, temporary support mechanism includes front probe beam, installation component and baffle component;

[0006] The installation component is installed below the roof beam, the front probe beam is connected to the inner cavity of the installation component, the baffle component is located outside the roof beam at the end, and the baffle component is placed on the top of the front probe beam.

[0007] As a further scheme of the utility model: the installation component includes the installation block connected to the bottom end of the roof beam through bolt, nut, the top plate both sides of the installation block are integrally formed with the upward protruding limiting plate, and the distance between the two limiting plates is equal to the width of the roof beam.

[0008] As a further scheme of the utility model: the installation component further includes the connecting groove opened in the inside of the installation block, the connecting groove includes straight groove and inclined groove, the inner wall bottom end of the inclined groove is integrally formed with second inclined surface, the inner wall of the inclined groove is connected with wedge block, and the bottom end of the wedge block is integrally formed with first inclined surface matched with the second inclined surface.

[0009] As a further scheme of the utility model: the baffle assembly includes a temporary support plate at the top end of the front probe beam, an outward protruding butt joint block is integrally formed on one side of the temporary support plate, an inward recessed butt joint groove is integrally formed on the other side of the temporary support plate, the height of the butt joint block is equal to the height of the butt joint groove.

[0010] As a further scheme of the utility model: a strip-shaped groove is formed on the bottom end plate of the top beam, a circular hole is formed on the top end plate of the mounting block, a bolt is threadedly connected with a nut after penetrating through the strip-shaped groove and the circular hole, and the bolt and the nut in the mutually screwed state fix the mounting block.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. By setting the baffle assembly, the baffle assemblies are mutually overlapped in force, and are mutually overlapped with the end top beam, when the coal seam roof collapses, better bearing, stress effect is obtained, and the protection ability is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is an internal structure schematic view of the mounting assembly of the utility model;

[0015] Figure 3 It is a Figure 2 It is a local enlarged view of A in the middle.

[0016] In the drawing: 1, support rod; 2, top beam; 3, mounting block; 4, front probe beam; 5, wedge block; 6, temporary support plate; 7, butt joint block; 8, butt joint groove; 9, first inclined surface; 10, connecting groove; 11, second inclined surface. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figures 1-3The utility model discloses a kind of temporary reinforcement supporting devices of coal mine roadway, including temporary supporting mechanism installed in the one end of permanent supporting mechanism, permanent supporting mechanism includes multiple vertical rod assemblies, one vertical rod assembly includes left and right two support rods 1, and the top of left and right two support rods 1 is fixedly installed with top beam 2 by flange, bolt, temporary supporting mechanism includes front probe beam 4, installation assembly and baffle assembly;Installation assembly is installed below top beam 2, and front probe beam 4 is connected in the inner chamber of installation assembly, and baffle assembly is located at the outside of terminal top beam 2, and baffle assembly is placed on the top of front probe beam 4.

[0019] In the embodiment: first, in the process of tunneling, to prevent the coal seam top of roadway from falling and causing damage to personnel and equipment, temporary supporting mechanism will be installed at the end of permanent supporting that has been installed;

[0020] When installing temporary supporting mechanism, the bottom end of top beam 2 is fixed installation assembly, after installation assembly is fixed, front probe beam 4 is slid outward along the inner chamber of installation assembly, after front probe beam 4 is slid to preset position, the position of front probe beam 4 is fixed, and after fixing is completed, baffle mechanism is laid on the top end of front probe beam 4, finally, corresponding group of vertical rod assemblies is laid at the bottom end of baffle mechanism, forming stable support effect, realizing temporary supporting effect, and after temporary supporting function is completed, permanent supporting assembly is installed at the position of temporary supporting assembly.

[0021] Please refer to Figure 1 、 Figure 2 and Figure 3 , installation assembly includes mounting block 3 connected to the bottom end of top beam 2 by bolt and nut, the top end plate of mounting block 3 is integrally formed with upward protruding limit plate on both sides, the distance between the two limit plates is equal to the width of top beam 2, installation assembly further includes connecting groove 10 opened in the inside of mounting block 3, connecting groove 10 includes straight groove and inclined groove, second inclined surface 11 is integrally formed at the bottom end of the inner wall of inclined groove, wedge block 5 is connected to the inner wall of inclined groove, first inclined surface 9 is integrally formed at the bottom end of wedge block 5, which matches with second inclined surface 11, strip groove is opened on the bottom end plate of top beam 2, circular hole is opened on the top end plate of mounting block 3, bolt is threadedly connected with nut after passing through strip groove and circular hole, and bolt and nut in mutual screwing state fix mounting block 3.

[0022] In the embodiment, when the temporary support assembly is laid, the mounting block 3 is first mounted on the bottom end of the roof beam 2 through the bolt and the nut, after the mounting block 3 is mounted, the front probe beam 4 is inserted into the connecting groove 10 of the mounting block 3, and the front probe beam 4 is pushed to slide along the straight groove until the front probe beam 4 slides to the preset position, then the wedge block 5 is inserted into the inclined groove, and one end of the wedge block 5 is hammered, the wedge block 5 is deeply inserted into the inclined groove, and the bottom end of the front probe beam 4 is pressed, so that the front probe beam 4 is lifted upward until the front probe beam 4 is completely fixed, at this time, the wedge block 5 remains stationary under the upward and downward pressing force, and the fixing of the front probe beam 4 is completed.

[0023] Please pay attention to Figure 1 and Figure 2 The baffle assembly comprises the temporary support plate 6 located at the top end of the front probe beam 4, the butt joint block 7 protruding outward is integrally formed on one side of the temporary support plate 6, and the butt joint groove 8 recessed inward is integrally formed on the other side of the temporary support plate 6, and the height of the butt joint block 7 is equal to the height of the butt joint groove 8.

[0024] In the embodiment, after the front probe beam 4 is fixed, the temporary support plate 6 is laid on the top of the front probe beam 4, first, the butt joint block 7 on one side of one temporary support plate 6 is clamped into the inner side of the roof beam 2 at the end position, then the butt joint block 7 on the other adjacent temporary support plate 6 is clamped into the butt joint groove 8 of the fixed temporary support plate 6, and the sequential butt joint is completed, so that the laid temporary support plate 6 and the roof beam 2 of the permanent support mechanism form a lap receiving force effect, and the compression resistance of the temporary support mechanism is further improved.

[0025] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A temporary reinforcement support device for a coal mine roadway, comprising a temporary support mechanism mounted to one end of a permanent support mechanism, characterised in that, Said permanent support mechanism comprises multiple groups of vertical rod assemblies, one group of said vertical rod assemblies comprises two left and right support rods (1), the top of the two left and right support rods (1) is fixedly installed with a top beam (2) through flanges and bolts, said temporary support mechanism comprises a front jacking beam (4), a mounting assembly and a baffle assembly; Said mounting assembly is installed below the top beam (2), the front jacking beam (4) is connected to the inner cavity of the mounting assembly, the baffle assembly is located outside the end of the top beam (2), and the baffle assembly is placed on the top of the front jacking beam (4).

2. The temporary roadway reinforcement support device according to claim 1, characterized in that, Said mounting assembly comprises a mounting block (3) connected to the bottom end of the top beam (2) through bolts and nuts, the top end plate of the mounting block (3) is integrally formed with two upward protruding limiting plates on both sides, and the distance between the two limiting plates is equal to the width of the top beam (2).

3. The temporary roadway support device of claim 2, wherein, Said mounting assembly further comprises a connecting groove (10) opened in the inside of the mounting block (3), the connecting groove (10) comprises a straight groove and an inclined groove, the inner wall of the inclined groove is integrally formed with a second inclined surface (11) at the bottom end, the inner wall of the inclined groove is connected with a wedge block (5), and the bottom end of the wedge block (5) is integrally formed with a first inclined surface (9) matched with the second inclined surface (11).

4. The temporary roadway reinforcement support device according to claim 3, wherein, Said baffle assembly comprises a temporary support plate (6) located at the top end of the front jacking beam (4), one side of the temporary support plate (6) is integrally formed with an outward protruding butt joint block (7), the other side of the temporary support plate (6) is integrally formed with an inward recessed butt joint groove (8), and the height of the butt joint block (7) is equal to the height of the butt joint groove (8).

5. The temporary roadway support device of claim 4, wherein, A strip-shaped groove is opened on the bottom end plate of the top beam (2), a circular hole is opened on the top end plate of the mounting block (3), and the bolt is threadedly connected with the nut after penetrating through the strip-shaped groove and the circular hole, and the bolt and the nut in the mutually screwed state fix the mounting block (3).

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