Reinforcing supporting structure for supporting coal mining roadway

Abstract

The utility model relates to the technical field of coal mining roadway supports, and discloses a coal mining roadway support reinforced supporting structure which comprises a supporting rod, the bottom wall of the supporting rod is fixedly connected with a connecting shell, the left side of the connecting shell is fixedly connected with a transverse rod, and the right side of the supporting rod is fixedly connected with a fixing shell. A bolt is in threaded connection with the front side of the fixing shell, a connecting groove is formed in the left side of the fixing shell, an inserting plate is in threaded connection with the outer wall of the bolt, a mounting shell is fixedly connected with the left side of the inserting plate, the right side of the inserting plate is clamped with the connecting groove, and a replacement part is fixedly connected with the left side of the mounting shell. According to the utility model, the threaded connection between the bolt and the insertion plate is released, and then the replacement part is pulled, so that the outer wall of the insertion plate is separated from the connecting groove, thereby achieving the purpose of dismounting the replacement part, and on the contrary, the installation is completed, the purpose of flexibly replacing the replacement part is achieved, and the situation that mine holes with different supporting requirements cannot be well met is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining tunnel support, in particular to a coal mining tunnel support reinforcement structure. Background Art

[0002] Coal resources are usually buried deep underground. The geological conditions of their occurrence environment are complex and diverse, with rock layers of varying hardness, large variations in coal seam thickness, and poor groundwater conditions. These complex geological conditions pose many challenges to coal mining, requiring the design and construction of mining tunnels to ensure the safety and efficiency of the mining process.

[0003] After the completion of the coal mine tunnel, a corresponding support structure is required to support and protect the coal mine tunnel to prevent accidents caused by the collapse of the surrounding rock mass. At present, ordinary steel is used as the material for supporting and reinforcing the structure. Although it has certain strength, it has poor corrosion resistance and heavy weight. In humid and acid-base corrosive environments, it is easy to rust and corrode, affecting the service life and safety of the structure. The existing solution is to use high-performance materials, such as high-strength alloy steel and carbon fiber composite materials. The new materials have higher strength, better corrosion resistance and lighter weight, which improves the service life. However, the support structure adopts the support method of conventional U-shaped steel bracket or I-beam bracket, which mainly relies on the strength of the bracket itself to withstand the ground pressure and lacks a certain degree of flexibility. For deep mining or tunnels with complex geological conditions and high ground pressure, the bearing capacity of the support structure is difficult to meet the requirements, and deformation and fracture are prone to occur, which cannot well maintain the stability of the tunnel rock mass. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a coal mining tunnel support reinforcement structure, aiming to improve the problem in the existing technology that for deep mining or tunnels with complex geological conditions and high ground pressure, the support bearing capacity is difficult to meet the requirements, deformation and fracture are prone to occur, and the stability of the tunnel rock mass cannot be well maintained.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a coal mining tunnel support reinforcement support structure, including a support rod, the bottom wall of the support rod is fixedly connected to a connecting shell, the left side of the connecting shell is fixedly connected to a cross bar, the right side of the support rod is fixedly connected to a fixed shell, the front side of the fixed shell is threadedly connected to a bolt, the left side of the fixed shell is provided with a connecting groove, the outer wall of the bolt is threadedly connected to an insert plate, the left side of the insert plate is fixedly connected to an installation shell, the right side of the insert plate is engaged with the connecting groove, the left side of the installation shell is fixedly connected to a replacement part, and the top of the connecting shell and the left end of the cross bar are both provided with a fixing mechanism, and the fixing mechanism is used to improve the operating efficiency of the operator when fixing.

[0006] As a further description of the above technical solution:

[0007] The fixing mechanism includes multiple fixing plates, the bottom wall of the top fixing plate is fixedly connected to the top of the connecting shell, the right side of the bottom fixing plate is fixedly connected to the left side of the cross bar, both sides of the fixing plate are rotatably connected to a rotating column, one side of the rotating column is rotatably connected to a rotating plate, the top wall of the rotating plate is fixedly connected to two cones, the top end of the outer wall of the support rod and the left end of the outer wall of the cross bar are fixedly connected to a limiting tube, and a mounting hole is opened in the middle of the top wall of multiple rotating plates.

[0008] As a further description of the above technical solution:

[0009] The fixing mechanism further comprises a plurality of holes and slots, which are respectively provided on the bottom wall of the rotating plate, and one side of the two limiting tubes is respectively engaged with the corresponding holes and slots.

[0010] As a further description of the above technical solution:

[0011] A handle is fixedly connected to the middle portion of the right side of the support rod, and a rubber sleeve is fixedly connected to the middle portion of the handle.

[0012] As a further description of the above technical solution:

[0013] The top wall of the replacement part is fixedly connected with a stabilizing rod, and a clamping groove is provided on the left side of the support rod, and the right end of the stabilizing rod is clamped with the clamping groove.

[0014] As a further description of the above technical solution:

[0015] A rubber ring is fixedly connected to the middle of the bolt, and the rubber ring adopts a cylindrical design.

[0016] As a further description of the above technical solution:

[0017] The top end of the replacement part is fixedly connected with a protective cover, and the top end of the protective cover adopts a smooth design.

[0018] As a further description of the above technical solution:

[0019] The outer wall of the bolt is provided with a plurality of grooves, and the plurality of grooves are all provided at equal intervals.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the threaded connection between the bolt and the insert plate is released by rotating the bolt, and then the replacement part is pulled to separate the outer wall of the insert plate from the connection groove, thereby achieving the purpose of disassembling the replacement part, and vice versa, completing the installation, achieving the purpose of flexible replacement of the replacement part, avoiding the situation that the different support requirements of the mine cannot be met well, reducing the phenomenon of easy deformation and breakage, and improving the service life of the support structure.

[0022] 2. In the present invention, the rotating plate is rotated so that the rotating plate rotates in accordance with the inner wall of the mine tunnel under the rotation of the rotating column. After the fixed plate contacts the inner wall of the mine tunnel, the rotating plate and the cone complete the effect of penetrating into the inner wall of the mine tunnel. Then, under the restriction of the restriction tube, the supporting structure improves the positioning effect with the mine tunnel, making it easier for the operator to fix the supporting structure through the installation hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional diagram of the coal mining tunnel support reinforcement structure proposed by the utility model;

[0024] Figure 2 This is a side view of the coal mining tunnel support reinforcement structure proposed by the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the replacement part of the coal mining tunnel support reinforcement structure proposed by the present invention;

[0026] Figure 4 This is a disassembled diagram of the connection shell of the coal mining tunnel support reinforcement structure proposed by the utility model;

[0027] Figure 5 This is a schematic diagram of the fixing mechanism of the coal mining tunnel support reinforcement structure proposed by the present invention.

[0028] Legend:

[0029] 1. Strut; 2. Fixing mechanism; 201. Fixing plate; 202. Rotating column; 203. Rotating plate; 204. Cone; 205. Limiting tube; 206. Hole groove; 207. Mounting hole; 3. Connecting shell; 4. Cross bar; 5. Fixing shell; 6. Bolt; 7. Connecting groove; 8. Rubber ring; 9. Mounting shell; 10. Insert plate; 11. Replacement part; 12. Stabilizing bar; 13. Engaging groove; 14. Protective cover; 15. Handle; 16. Rubber cover. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Reference Figure 1 、 Figure 3 and Figure 4 The utility model provides an embodiment of a coal mining tunnel support reinforcement support structure, including a support rod 1, which supports the top wall of the mine tunnel through the support rod 1, and the bottom wall of the support rod 1 is fixedly connected with a connecting shell 3, and the connection to the cross bar 4 is completed through the connecting shell 3. The left side of the connecting shell 3 is fixedly connected with the cross bar 4, and under the connection of the cross bar 4, the support of the side of the mine tunnel is completed. The right side of the support rod 1 is fixedly connected with a fixed shell 5, and the front side of the fixed shell 5 is threadedly connected with a bolt 6. By rotating the bolt 6, the locking connection of the insert plate 10 is moved. The left side of the fixed shell 5 is provided with a connecting groove 7, and the outer wall of the bolt 6 is threadedly connected with the insert plate 10. By engaging the insert plate 10 with the connecting groove 7, the initial fixation of the mounting shell 9 is achieved, and the insert plate 10 The left side is fixedly connected with a mounting shell 9, the right side of the plug plate 10 is engaged with the connecting groove 7, and the left side of the mounting shell 9 is fixedly connected with a replacement part 11, so that the replacement part 11 can be replaced by the bolt 6. The top of the connecting shell 3 and the left end of the cross bar 4 are both provided with a fixing mechanism 2, which is used to improve the operating efficiency of the operator when fixing; the middle part of the right side of the support rod 1 is fixedly connected with a handle 15, and the portability of the supporting structure is completed by the handle 15, and the middle part of the handle 15 is fixedly connected with a rubber sleeve 16; the top wall of the replacement part 11 is fixedly connected with a stabilizing rod 12, and a snap-fitting groove 13 is provided on the left side of the support rod 1, and the right end of the stabilizing rod 12 is engaged with the snap-fitting groove 13. The engagement of the stabilizing rod 12 with the snap-fitting groove 13 improves the stability of the structure;

[0032] Reference Figure 1 、 Figure 2 and Figure 5The fixing mechanism 2 includes multiple fixing plates 201. The bottom wall of the top fixing plate 201 is fixedly connected to the top of the connecting shell 3. The connection to the rotating column 202 is achieved through the fixing plate 201. The right side of the bottom fixing plate 201 is fixedly connected to the left side of the cross bar 4. Both sides of the fixing plate 201 are rotatably connected to the rotating column 202, and then the rotating plate 203 is rotated through the rotating column 202. One side of the rotating column 202 is rotatably connected to the rotating plate 203. The top wall of the rotating plate 203 is fixedly connected to two vertical cones 204. 03 is rotated to fit the arc of the inner wall of the mine tunnel. The top end of the outer wall of the support rod 1 and the left end of the outer wall of the cross bar 4 are fixedly connected with a limiting tube 205, which completes the limiting support of the rotating plate 203 through the limiting tube 205. The middle part of the top wall of multiple rotating plates 203 is provided with a mounting hole 207, and the fixing of the supporting structure is completed through the mounting hole 207; the fixing mechanism 2 also includes a plurality of hole grooves 206, and the plurality of hole grooves 206 are respectively opened on the bottom wall of the rotating plate 203, and one side of the two limiting tubes 205 is respectively engaged with the corresponding hole groove 206;

[0033] Reference Figure 1 、 Figure 2 and Figure 3 The middle part of the bolt 6 is fixedly connected with a rubber ring 8, which adopts a cylindrical design. The rubber ring 8 completes the protection of the connecting shell 3 and reduces the rotation damage of the bolt 6; the top of the replacement part 11 is fixedly connected with a protective cover 14, and the top of the protective cover 14 adopts a smooth design. The protective cover 14 protects the replacement part 11; the outer wall of the bolt 6 is provided with a plurality of grooves, and the plurality of grooves are equidistantly opened, so that the rotation of the bolt 6 is facilitated by the plurality of grooves;

[0034] Working principle: During the replacement operation, the bolt 6 is rotated to separate the bolt 6 from the inserting plate 10, thereby releasing the threaded connection. The replacement part 11 is then pulled to one side to separate the outer wall of the inserting plate 10 from the connecting groove 7, thereby releasing the lock between the mounting shell 9 and the fixed shell 5, thereby achieving the purpose of disassembling the replacement part 11. Conversely, the installation is completed, thereby achieving the purpose of flexibly replacing the replacement part 11, avoiding the situation where the mines with different support requirements cannot be well met, reducing the phenomenon that the support structure is prone to deformation and fracture, and thus improving the service life of the support structure;

[0035] After the fixed plate 201 contacts the inner wall of the mine, the rotating plate 203 is rotated so that the rotating plate 203 rotates in accordance with the inner wall of the mine under the rotation of the rotating column 202, so that the vertical cone 204 penetrates deeply into the inner wall of the mine, thereby achieving the purpose of positioning the rotating plate 203, thereby improving the positioning effect with the mine, making it easier for operators to fix the support structure through the installation hole 207, and at the same time, under the restriction of the restriction tube 205, the situation of the rotating plate 203 flipping downward is avoided, providing a supporting effect.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A coal mining tunnel support reinforcement structure, comprising a support rod (1), characterized in that: The bottom wall of the support rod (1) is fixedly connected to a connecting shell (3), the left side of the connecting shell (3) is fixedly connected to a cross bar (4), the right side of the support rod (1) is fixedly connected to a fixing shell (5), the front side of the fixing shell (5) is threadedly connected to a bolt (6), the left side of the fixing shell (5) is provided with a connecting groove (7), the outer wall of the bolt (6) is threadedly connected to an insert plate (10), the left side of the insert plate (10) is fixedly connected to a mounting shell (9), the right side of the insert plate (10) is engaged with the connecting groove (7), the left side of the mounting shell (9) is fixedly connected to a replacement part (11), the top of the connecting shell (3) and the left end of the cross bar (4) are both provided with a fixing mechanism (2), the fixing mechanism (2) is used to improve the operating efficiency of the operator when fixing.

2. The coal mining tunnel support reinforcement structure according to claim 1 is characterized in that: The fixing mechanism (2) comprises a plurality of fixing plates (201), wherein the bottom wall of the top fixing plate (201) is fixedly connected to the top of the connecting shell (3), and the right side of the bottom fixing plate (201) is fixedly connected to the left side of the cross bar (4). Both sides of the fixing plate (201) are rotatably connected to a rotating column (202), and one side of the rotating column (202) is rotatably connected to a rotating plate (203). The top wall of the rotating plate (203) is fixedly connected to two vertical cones (204). The top end of the outer wall of the support rod (1) and the left end of the outer wall of the cross bar (4) are fixedly connected to a limiting tube (205). A mounting hole (207) is provided in the middle of the top wall of the plurality of rotating plates (203).

3. The coal mining tunnel support reinforcement structure according to claim 2 is characterized in that: The fixing mechanism (2) further comprises a plurality of holes (206), wherein the plurality of holes (206) are respectively provided on the bottom wall of the rotating plate (203), and one side of the two limiting tubes (205) is respectively engaged with the corresponding holes (206).

4. The coal mining tunnel support reinforcement structure according to claim 1, characterized in that: A handle (15) is fixedly connected to the middle portion of the right side of the support rod (1), and a rubber sleeve (16) is fixedly connected to the middle portion of the handle (15).

5. The coal mining tunnel support reinforcement structure according to claim 1, characterized in that: The top wall of the replacement part (11) is fixedly connected to a stabilizing rod (12), a locking groove (13) is provided on the left side of the support rod (1), and the right end of the stabilizing rod (12) is locked with the locking groove (13).

6. The coal mining tunnel support reinforcement structure according to claim 1, characterized in that: A rubber ring (8) is fixedly connected to the middle of the bolt (6), and the rubber ring (8) is of cylindrical design.

7. The coal mining tunnel support reinforcement structure according to claim 1, characterized in that: The top end of the replacement part (11) is fixedly connected to a protective sleeve (14), and the top end of the protective sleeve (14) is designed to be smooth.

8. The coal mining tunnel support reinforcement structure according to claim 1, characterized in that: The outer wall of the bolt (6) is provided with a plurality of grooves, and the plurality of grooves are all provided at equal intervals.

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