Supporting structure for deep roadway of coal mine

Abstract

The utility model discloses a supporting structure for a deep roadway of a coal mine, which comprises a support column and first beam plates, the first beam plates are fixedly connected to the top side of the support column, positioning blocks are connected between the first beam plates at equal intervals, second beam plates are connected between the positioning blocks, the positioning blocks on the outermost sides are fixedly connected with the outer ends of the first beam plates, and the second beam plates are fixedly connected with the outer ends of the second beam plates. The second beam plate is subjected to stretch bending operation from a straight plate, so that the prestress of the second beam plate can be improved, the bearing capacity of the second beam plate is improved, the device can be more suitable for supporting roadway top structures with different radians, the practicability is greatly improved, the contact area between the supporting column and a wall can be increased, and the supporting effect is improved. The wall of the coal mine tunnel can be supported and protected in a larger range, the protection effect is more comprehensive, and under the action of the damping rods and the springs installed on the outer side, the shock resistance of the protection formwork support can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining equipment technical field, concretely related to the supporting structure for coal mine deep roadway. BACKGROUND

[0002] When coal mining needs to excavate roadway underground, the building of supporting structure is needed after the completion of roadway, so that the supporting structure plays a supporting and stabilizing role in the process of back mining.

[0003] In the prior art, the application number 202022455789.3 discloses a kind of temporary supporting structure of coal mine underground roadway, including by crossbeam and hinged in the top of crossbeam both ends jacking hydraulic jack, jacking hydraulic jack and hydraulic drive device connection constitute lifting device, lifting device is divided into front lifting device and rear lifting device two groups;The both ends of connecting rod are fixedly connected on the crossbeam of front lifting device and rear lifting device respectively;The above device can only support the roadway top side of plane structure, the roadway of different radian arc top structure cannot be effectively supported, and the wall of roadway inner wall both sides cannot be effectively supported, and practicality is greatly reduced.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENT

[0005] For the problems in the related art, the utility model proposes a supporting structure for coal mine deep roadway to overcome the above technical problems existing in the prior art.

[0006] Therefore, the specific technical solutions adopted by the utility model are as follows:

[0007] The supporting structure for coal mine deep roadway includes a support column, a first beam plate, the first beam plate is fixedly connected to the top side of the support column, positioning blocks are connected equidistantly between the first beam plates, second beam plates are connected between the positioning blocks, the positioning blocks at the two most sides are fixedly connected with the outer ends of the first beam plates, locking positioning rods are fixedly connected to the positioning blocks, protective templates are connected to the outer sides of the support columns, and mounting vertical plates are connected to the opposite sides of the support columns.

[0008] As a preferred embodiment, a connecting hole is provided through the positioning block, the positioning block is specifically in the shape of a channel section, protruding blocks are fixedly connected to the two ends of the second beam plate, and the second beam plate is movably embedded in the grooves on both sides of the positioning block through the protruding blocks.

[0009] As a preferred embodiment, the locking positioning rod includes a threaded column and a tapered head, the top end of the threaded column is fixedly connected with the tapered head, and the threaded column movably penetrates the connecting hole at the top end of the positioning block.

[0010] As preferred, an internally threaded pipe is sleeved on the outer wall of the threaded column, a six-rib ring is fixedly sleeved on the bottom end of the outer wall of the internally threaded pipe, the internally threaded pipe is matched and threadedly connected with the threaded column, and the top end of the internally threaded pipe is tightly attached to the bottom side of the positioning block.

[0011] As preferred, the support column comprises a support plate, a top base and a bottom base, the bottom side of the support plate is fixedly connected with the bottom base, the bottom end of the support plate is fixedly connected with the bottom base, and the top base is fixedly connected with the right side of the bottom base.

[0012] As preferred, the top base is movably embedded with the protective template between the left side of the bottom base, equidistant threaded holes are formed in the right side of the mounting vertical plate, equidistant embedding hole grooves are formed in the inner side of the protective template, and positioning bolts are matched and threadedly connected in the threaded holes.

[0013] As preferred, the positioning bolt comprises an externally threaded rod, a damping rod and a spring, the left end of the externally threaded rod is fixedly connected with the fixed end of the damping rod, and the spring is sleeved on the outer side of the damping rod.

[0014] As preferred, a limiting disc is fixedly connected with the movable end of the damping rod, a limiting column is fixedly connected with the inner side of the limiting disc, the limiting disc and the limiting column both penetrate the threaded hole, and the limiting column is movably embedded in the embedding hole groove.

[0015] The second beam plate is subjected to a draw bending operation from a straight plate, so that the prestress of the second beam plate is improved, the bearing capacity of the second beam plate is improved, the support structure is more suitable for supporting different-radian roadway top structures, the practicability is greatly improved, the contact area of the support column and the wall is increased, the coal mine roadway wall can be supported and protected in a larger range, the protection effect is more comprehensive, and the anti-seismic property of the protective template is improved under the action of the damping rod and the spring mounted on the outer side. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 is a general structure schematic view of the support structure for the deep roadway of the coal mine according to the embodiment of the present application;

[0018] Figure 2 is a split structure schematic view of the positioning block and the second beam plate of the support structure for the deep roadway of the coal mine according to the embodiment of the present application;

[0019] Figure 3 is a column splitting structure schematic diagram of a supporting structure for a deep roadway of a coal mine according to an embodiment of the present application;

[0020] Figure 4 is a positioning bolt appearance structure schematic diagram of a supporting structure for a deep roadway of a coal mine according to an embodiment of the present application.

[0021] In the figure:

[0022] 1, column; 2, first beam plate; 3, positioning block; 4, second beam plate; 5, locking positioning rod; 6, protection template; 7, installation vertical plate; 8, connecting hole; 9, protruding block; 10, threaded column; 11, taper head; 12, internally threaded tube; 13, hexagonal ring; 14, support plate; 15, top seat; 16, base; 17, threaded hole; 18, embedded hole groove; 19, positioning bolt; 20, externally threaded rod; 21, damping rod; 22, spring; 23, limiting disc; 24, limiting column. DETAILED DESCRIPTION

[0023] To further illustrate the embodiments, the present application provides drawings, which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can explain the operating principle of the embodiments in cooperation with the related description of the specification. With reference to these contents, those skilled in the art should be able to understand other possible embodiments and advantages of the present application. The components in the figure are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to an embodiment of the present application, a supporting structure for a deep roadway of a coal mine is provided.

[0025] Embodiment one

[0026] As Figures 1-4As shown, the supporting structure for deep roadway of coal mine according to the utility model embodiment, including pillar 1, first beam plate 2, first beam plate 2 fixedly connected in the top side of pillar 1, equidistantly connected with positioning block 3 between first beam plate 2, all be connected with second beam plate 4 between positioning block 3, the most two side positioning block 3 and first beam plate 2 outer end fixedly connected, all be fixedly connected with locking positioning rod 5 on positioning block 3, the outer side of pillar 1 all be connected with protection template 6, the opposite side of pillar 1 all be connected with installation vertical plate 7, the inside of positioning block 3 is provided with connecting hole 8 through, positioning block 3 specifically is I-shaped structure, the both ends of second beam plate 4 are fixedly connected with protruding block 9 respectively, second beam plate 4 is respectively with the both sides recess of positioning block 3 through protruding block 9 movablely embedded, locking positioning rod 5 includes threaded column 10, taper head 11, threaded column 10 top end and taper head 11 fixedly connected, threaded column 10 movablely penetrates the top end of connecting hole 8 on positioning block 3, the outer wall of threaded column 10 is equipped with internal thread pipe 12, internal thread pipe 12 bottom end outer wall is equipped with six prism ring 13 fixedly, internal thread pipe 12 and threaded column 10 are matched with screw thread connection, and the top end of internal thread pipe 12 and the bottom side of positioning block 3 are closely attached, in the pillar 1 installation in the both sides of coal mine roadway, according to the curvature and length of the top of coal mine roadway, select the appropriate number of positioning block 3, after the abutment of positioning block 3 in suitable position, install second beam plate 4 between positioning block 3, make protruding block 9 of the both sides of second beam plate 4 respectively embedded in the both sides recess movablely embedded of positioning block 3, can make second beam plate 4 bend along with, the prestress of second beam plate 4 can be improved by the stretch bending operation of second beam plate 4 from straight plate, improve the bearing capacity of second beam plate 4, and can be more applicable to the roadway top structure of different curvature and support, greatly improve the practicability.

[0027] Example two

[0028] As Figures 1-4As shown, the support structure for deep coal mine roadways according to an embodiment of this utility model includes a support column 1 and a first beam plate 2. The first beam plate 2 is fixedly connected to the top side of the support column 1. Positioning blocks 3 are equidistantly connected between the first beam plates 2. Second beam plates 4 are connected between the positioning blocks 3. The two outermost positioning blocks 3 are fixedly connected to the outer ends of the first beam plates 2. Locking positioning rods 5 are fixedly connected to the positioning blocks 3. Protective templates 6 are connected to the outer side of the support column 1. Mounting plates 7 are connected to the opposite side of the support column 1. The support column 1 includes a support plate 14, a top seat 15, and a base 16. The bottom side of the support plate 14 is fixedly connected to the base 16, and the bottom end of the support plate 14 is fixedly connected to the base 16. The top seat 15 and the right side of the base 16 are connected to... The mounting plate 7 is fixedly connected, and the top seat 15 and the left side of the base 16 are movably fitted with the protective template 6. The right side of the mounting plate 7 has threaded holes 17 that are equidistantly through, and the inner side of the protective template 6 has equidistantly excavated fitting slots 18. The threaded holes 17 are fitted with positioning bolts 19, which can be embedded into the outer side between the top seat 15 and the base 16, so that the protective template 6 abuts against the wall of the coal mine roadway. Then, by installing the positioning bolts 19 in the threaded holes 17 on the mounting plate 7, the positioning bolts 19 abut against and support the protective template 6, which can increase the contact area between the support column 1 and the wall, and can provide support and protection for the coal mine roadway wall over a wider range, resulting in a more comprehensive protection effect.

[0029] Example 3

[0030] like Figures 1-4 As shown, the support structure for deep coal mine roadways according to an embodiment of this utility model includes a support column 1 and a first beam plate 2. The first beam plate 2 is fixedly connected to the top side of the support column 1. Positioning blocks 3 are equidistantly connected between the first beam plates 2. Second beam plates 4 are connected between the positioning blocks 3. The two outermost positioning blocks 3 are fixedly connected to the outer ends of the first beam plates 2. Locking positioning rods 5 are fixedly connected to the positioning blocks 3. Protective templates 6 are connected to the outer side of the support column 1. Mounting plates 7 are connected to the opposite side of the support column 1. The positioning bolt 19 includes an external threaded rod 20, a damping rod 21, and a spring 22. The left end of the external threaded rod 20 is fixedly connected to the fixed end of the damping rod 21. The spring 22 is sleeved on the outside of the damping rod 21. On the side, the movable end of the damping rod 21 is fixedly connected to the limiting plate 23, and the inner side of the limiting plate 23 is fixedly connected to the limiting post 24. Both the limiting plate 23 and the limiting post 24 pass through the threaded hole 17, and the limiting post 24 is movably fitted into the fitting groove 18. When the external thread rod 20 is screwed, the external thread rod 20 passes through the inner side of the mounting plate 7 and is then located on both sides of the support plate 14. It abuts against the outer side of the protective template 6 through the limiting plate 23 at the inner end of the damping rod 21, so that the limiting post 24 on the inner side of the limiting plate 23 is embedded into the fitting groove 18 of the protective template 6 for positioning. Under the action of the damping rod 21 and the outer mounting spring 22, the seismic resistance of the protective template 6 can be improved.

[0031] In summary, by means of the above technical scheme of the utility model, when the device is used, the support 1 is installed on both sides of the coal mine tunnel, a proper number of positioning blocks 3 are selected according to the arc and length of the top of the coal mine tunnel, the positioning blocks 3 are abutted at proper positions, the second beam plate 4 is installed between the positioning blocks 3, the protruding blocks 9 on both sides of the second beam plate 4 are respectively embedded in the grooves on both sides of the positioning blocks 3, the second beam plate 4 can be bent, the protective template 6 can be embedded outside between the top base 15 and the bottom base 16, the protective template 6 is abutted against the wall of the coal mine tunnel, then the positioning bolt 19 is installed in the threaded hole 17 on the installation stand 7, the positioning bolt 19 is abutted against and supports the protective template 6, when the external threaded rod 20 is screwed, the external threaded rod 20 is screwed through the inside of the installation stand 7, then is respectively located on both sides of the support plate 14, and is abutted against the outside of the protective template 6 through the limiting disc 23 at the inner end of the damping rod 21, the limiting column 24 at the inside of the limiting disc 23 is embedded in the embedded hole slot 18 of the protective template 6 to be positioned, under the action of the damping rod 21 and the spring 22 installed outside, the shock resistance of the protective template 6 is improved.

[0032] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A support structure for deep mine roadways comprising a prop (1), a first beam plate (2), characterised in that, The first beam plate (2) is fixedly connected to the top side of the support column (1). Positioning blocks (3) are equidistantly connected between the first beam plates (2). Second beam plates (4) are connected between the positioning blocks (3). The two outermost positioning blocks (3) are fixedly connected to the outer ends of the first beam plates (2). Locking positioning rods (5) are fixedly connected to the positioning blocks (3). Protective templates (6) are connected to the outer side of the support column (1). Mounting plates (7) are connected to the opposite side of the support column (1).

2. The support structure for deep workings of coal mines according to claim 1, characterised in that, The positioning block (3) has a through hole (8) inside. The positioning block (3) is specifically an I-shaped structure. The two ends of the second beam plate (4) are respectively fixedly connected with protrusions (9). The second beam plate (4) is movably fitted with the grooves on both sides of the positioning block (3) through the protrusions (9).

3. The support structure for deep mine roadways of coal mines according to claim 2, characterised in that, The locking positioning rod (5) includes a threaded post (10) and a cone (11). The top end of the threaded post (10) is fixedly connected to the cone (11), and the threaded post (10) moves through the top end of the connecting hole (8) on the positioning block (3).

4. The support structure for deep mine roadways of coal mines according to claim 3, characterised in that, The threaded column (10) is fitted with an internal threaded tube (12) on its outer wall. A hexagonal ring (13) is fitted and fixed on the outer wall of the bottom end of the internal threaded tube (12). The internal threaded tube (12) is threadedly connected to the threaded column (10), and the top end of the internal threaded tube (12) is tightly fitted to the bottom side of the positioning block (3).

5. The support structure for deep workings of coal mines according to claim 4, characterised in that, The support column (1) includes a support plate (14), a top seat (15), and a base (16). The bottom side of the support plate (14) is fixedly connected to the base (16), and the bottom end of the support plate (14) is fixedly connected to the base (16). The top seat (15) and the right side of the base (16) are fixedly connected to the mounting plate (7).

6. The support structure for deep workings of coal mines according to claim 5, characterised in that, The top seat (15) and the base (16) are movably fitted with the protective template (6) on the left side. The right side of the mounting plate (7) is provided with threaded holes (17) at equal intervals. The inner side of the protective template (6) is provided with fitting slots (18) at equal intervals. The threaded holes (17) are matched with positioning bolts (19) with threaded connections.

7. The support structure for deep mine roadways of coal mines according to claim 6, characterised in that, The positioning bolt (19) includes an external thread rod (20), a damping rod (21), and a spring (22). The left end of the external thread rod (20) is connected and fixed to the fixed end of the damping rod (21), and the spring (22) is sleeved on the outside of the damping rod (21).

8. The support structure for deep mine roadways of coal mines according to claim 7, characterised in that, The movable end of the damping rod (21) is fixedly connected to a limiting plate (23), and the inner side of the limiting plate (23) is fixedly connected to a limiting post (24). Both the limiting plate (23) and the limiting post (24) pass through the threaded hole (17), and the limiting post (24) is movably fitted into the fitting groove (18).

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