Supporting structure of coal mine tunnel

Abstract

The utility model relates to the technical field of coal mine supporting, and discloses a supporting structure of a coal mine tunnel, which comprises an extension plate, the left side and the right side of the extension plate are both connected with supporting plates in a sliding mode, the sides, away from each other, of the two supporting plates are both fixedly connected with fixing frames, and a rotating shaft is rotatably connected between the fixing frames. Pulleys are fixedly connected to the front end and the rear end of the outer wall of the rotating shaft, a lifting plate is rotatably connected to the outer wall of the rotating shaft, a supporting plate is slidably connected to the bottom of the outer wall of the lifting plate, sliding grooves are formed in the front side and the rear side of the lifting plate on the left side, and inserting plates are slidably connected to the inner walls of the two sliding grooves. According to the folding and fixing device, the supporting plates are relatively rotated, the inserting plates are uniformly slid rightwards to be inserted into the inserting grooves in the right side, the inserting plates are fixed by rotating the reinforcing bolts, and therefore folding and fixing treatment of the device is completed, and portable moving treatment of the device is achieved through the pulleys.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine support technical field especially relates to a support structure of coal mine roadway. BACKGROUND

[0002] China's coal mine is mainly underground mining, needs to excavate a large number of roadway in the pit, and the safety and efficient production of coal mine depends on the smooth and stability of roadway, with the increasing of mining depth, width and mining intensity, the roadway depth increases year by year, and the geological condition is increasingly complicated, the high ground stress roadway, the strong mining influence roadway, the soft and broken surrounding rock roadway and the emergence of the complex conditions of large section roadway and chamber, the shed roadway of all safety exits and roadway connection special position of coal mining face.

[0003] In order to ensure the safety and the convenience of operation of these roadways during construction, the support device is widely used in the process of excavation to carry out necessary support work under normal circumstances, the support device can provide instant structural stability in the process of excavation, ensure the safety of construction personnel and the smooth progress of construction progress, and after the completion of excavation work, in order to further enhance the stability and reliability of long-term use of structure, more solid and durable structure device is uniformly used to reinforce support, long-term support device is usually designed more fine and solid, can bear long-term load and the influence of environmental change, so as to ensure the long-term safety and stability of roadway, but most of the current support devices are supported by the frame made of wooden board, which cannot be reused, and is inconvenient to disassemble and assemble, and the whole storage problem is difficult to carry out, therefore, a support structure of coal mine roadway is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the utility model provides a support structure of coal mine roadway, which aims at improving the problem that the support device in the prior art cannot be reused and is inconvenient to disassemble and assemble.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a support structure of coal mine roadway, including extension plate, the left and right sides of the extension plate are slidably connected with support plate, the sides away from each other of the two support plates are fixedly connected with fixed frame, a plurality of fixed frames are rotatably connected with shaft between them, the front and rear ends of the outer wall of the shaft are fixedly connected with pulley, the outer wall of the shaft is rotatably connected with lifting plate, the outer wall bottom of the lifting plate is slidably connected with support plate, the front and rear sides of the left lifting plate are provided with sliding groove, the inner walls of the two sliding grooves are slidably connected with plug-in plate, the sides away from each other of the two plug-in plates are threadedly connected with reinforcing bolt, the front and rear sides of the right support plate are provided with plug-in slot, the bottom of the support plate is provided with reinforcing mechanism, and the reinforcing mechanism is used for reinforcing treatment to the whole device.

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

[0007] The reinforcing mechanism comprises two fixed plates, the adjacent sides of the two fixed plates are fixedly connected with the adjacent sides of the support plates, screw holes are formed in the top of the fixed plates, anchor rods are slidably connected with the inner walls of the screw holes, bolts are threadedly connected with the top of the anchor rods, mounting grooves are formed in the inner walls of the bottom of the anchor rods, and the periphery of the inner walls of the mounting grooves is slidably connected with the extension inserting rods.

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

[0009] The front side of the support plate is threadedly connected with an adjusting bolt, the rear end of the adjusting bolt penetrates through the front side of the support plate and is threadedly connected with the outer wall of the lifting plate.

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

[0011] The top of the support plate is fixedly connected with a plurality of rubber strips, and the plurality of rubber strips are arranged at equal intervals.

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

[0013] The front side of the extension plate is provided with a plurality of adjusting holes, and the front side of the two extension plates is threadedly connected with a fixed bolt.

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

[0015] The adjacent sides of the two support plates are provided with sliding grooves, and the inner walls of the two sliding grooves are slidably connected with a connecting piece one.

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

[0017] The adjacent sides of the two connecting pieces one are rotatably connected with support rods, and one end of the two support rods is rotatably connected with a connecting piece two.

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

[0019] The top of the two connecting pieces two is fixedly connected with the bottom of the support plate, and the outer wall of the support plate is rounded.

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

[0021] 1. The utility model discloses a right unified sliding insertion board makes it insert among right side insertion slot, and realizes the fixed processing to insertion board through the rotation reinforcing peg, thereby completes the folding fixed processing to the device, improves the firmness after folding, when folding the whole device, realizes the portable movement processing to the device through the pulley.

[0022] 2. The utility model discloses through the fixed plate to the positioning processing of whole device, through the anchor rod is inserted into the screw hole, completes the preliminary fixed processing to the device, and realizes the insertion between multiple extension insertion rods through the rotation bolt, and through extrusion drives multiple extension insertion rods to spread around to make it insert in the soil, realizes secondary reinforcement, improves the firmness of device. DRAWINGS

[0023] Figure 1 It is the perspective view of the support structure of coal mine roadway that the utility model proposes;

[0024] Figure 2 It is the front view of the support structure of coal mine roadway that the utility model proposes;

[0025] Figure 3 It is the partial structure schematic view of the insertion board of the support structure of coal mine roadway that the utility model proposes;

[0026] Figure 4 It is the partial structure schematic view of the support structure of coal mine roadway that the utility model proposes;

[0027] Figure 5 It is the sectional view of the support structure of coal mine roadway that the utility model proposes.

[0028] Legend:

[0029] 1, extension board, 2, reinforcing mechanism, 201, fixed plate, 202, screw hole, 203, reinforcing plate, 204, anchor rod, 205, bolt, 206, installation groove, 207, extension insertion rod, 208, spring, 3, support plate, 4, fixed frame, 5, rotating shaft, 6, pulley, 7, lifting plate, 8, support plate, 9, sliding groove, 10, insertion board, 11, reinforcing peg, 12, insertion slot, 13, adjusting peg, 14, rubber strip, 15, adjusting hole, 16, fixed peg, 17, sliding slot, 18, connecting piece one, 19, support rod, 20, connecting piece two. DETAILED DESCRIPTION

[0030] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] With reference to Figure 1 , Figure 2 and Figure 3 , the present application provides an embodiment: a supporting structure of a coal mine tunnel, comprising an extension plate 1, the left and right sides of the extension plate 1 are slidably connected with supporting plates 3, the supporting plates 3 can be extended to both sides through the extension plate 1, realizing supporting treatment of different sizes of top tunnels, the sides away from each other of the two supporting plates 3 are fixedly connected with fixed frames 4, a plurality of fixed frames 4 are rotatably connected with rotating shafts 5, the front and rear ends of the outer wall of the rotating shaft 5 are fixedly connected with pulleys 6, the fixed frame 4, the rotating shaft 5 and the pulley 6 are mutually installed and connected, when the whole device is folded, the portable movement of the device is realized through the pulley 6, the outer wall of the rotating shaft 5 is rotatably connected with a lifting plate 7, the outer wall bottom of the lifting plate 7 is slidably connected with a supporting plate 8, the lifting plate 7 and the supporting plate 8 are mutually slidably connected, the height adjustment treatment is realized through the stretching between each other, the front and rear sides of the left lifting plate 7 are provided with sliding grooves 9, the inner walls of the two sliding grooves 9 are slidably connected with plug-in plates 10, the sides away from each other of the two plug-in plates 10 are threadedly connected with reinforcing bolts 11, the front and rear sides of the right supporting plate 8 are provided with plug-in grooves 12, different fixed assemblies are arranged on the supporting plates 8 on the left and right sides, the bottom ends of the rotating supporting plates 8 are mutually adhered, the plug-in plates 10 are uniformly slid to the right, the plug-in plates 10 are plugged into the plug-in grooves 12 on the right, and the reinforcing bolts 11 are rotated to realize the fixing treatment of the plug-in plates 10, so as to complete the folding and fixing treatment of the device, improve the firmness after folding, the bottom of the supporting plate 8 is provided with a reinforcing mechanism 2, the reinforcing mechanism 2 is used for reinforcing treatment of the whole device, the front side of the supporting plate 8 is threadedly connected with an adjusting bolt 13, the rear end of the adjusting bolt 13 penetrates through the front side of the supporting plate 8 and is threadedly connected with the outer wall of the lifting plate 7, a plurality of adjusting holes 15 are formed in the front side of the extension plate 1, the front sides of the two extension plates 1 are threadedly connected with fixed bolts 16, the adjusting holes 15 and the fixed bolts 16 are mutually connected, realizing the adjusting and fixing of the extension plate 1 and the supporting plate 3;

[0032] Specifically, the supporting plate 3 can be extended to both sides by the extension plate 1, thereby realizing effective supporting treatment of different size top roadways. On the side away from each other of the two supporting plates 3, a fixed frame 4 is fixedly connected, a plurality of fixed frames 4 are rotatably connected through a rotating shaft 5, the outer wall of the rotating shaft 5 is fixedly connected with a pulley 6 at both ends, the fixed frame 4, the rotating shaft 5 and the pulley 6 are mutually installed and connected to form an integrated support structure. When the entire device needs to be folded, the pulley 6 can conveniently realize portable movement of the device. The outer wall of the rotating shaft 5 is rotatably connected with a lifting plate 7, the outer wall of the lifting plate 7 is slidably connected with a supporting plate 8, the lifting plate 7 and the supporting plate 8 are mutually slidably connected, and through mutual stretching, the height can be adjusted. The front and back sides of the left lifting plate 7 are both provided with a sliding groove 9, the inner wall of the two sliding grooves 9 is slidably connected with an insertion plate 10, the side away from each other of the two insertion plates 10 is threadedly connected with a reinforcing bolt 11. The front and back sides of the right supporting plate 8 are both provided with an insertion slot 12, different fixing assemblies are arranged on the supporting plates 8 on the left and right sides. By rotating the bottom end of the supporting plate 8 to mutually adhere, and by uniformly sliding the insertion plate 10 to the right, the insertion plate 10 is inserted into the insertion slot 12 on the right side. By rotating the reinforcing bolt 11, the insertion plate 10 is fixed, thereby completing the folding and fixing of the device, improving the firmness after folding. The bottom of the supporting plate 8 is provided with a reinforcing mechanism 2 for reinforcing the entire device. The front side of the supporting plate 8 is threadedly connected with an adjusting bolt 13, the rear end of the adjusting bolt 13 penetrates through the front side of the supporting plate 8 and is threadedly connected with the outer wall of the lifting plate 7. The front side of the extension plate 1 is provided with a plurality of adjusting holes 15, the front side of the two extension plates 1 is threadedly connected with a fixing bolt 16, the adjusting hole 15 and the fixing bolt 16 are mutually connected, realizing the adjusting and fixing of the extension plate 1 and the supporting plate 3, ensuring the stability and reliability of the support structure.

[0033] Referring to Figure 1 , Figure 4 and Figure 5The reinforcing mechanism 2 comprises two fixed plates 201, the opposite sides of the two fixed plates 201 are fixedly connected with the adjacent sides of the support plates 8, the whole device is positioned by the fixed plates 201, screw holes 202 are formed in the top of the fixed plates 201, anchor rods 204 are slidably connected to the inner walls of the screw holes 202, the anchor rods 204 are inserted into the screw holes 202 to preliminarily fix the device, the top of the anchor rod 204 is threadedly connected with a bolt 205, an installation groove 206 is formed in the bottom of the inner wall of the anchor rod 204, expansion rods 207 are slidably connected to the inner walls of the installation groove 206, springs 208 are fixedly connected to the opposite sides of the expansion rods 207, the expansion rods 207 are inserted between the expansion rods 207 by rotating the bolt 205, the expansion rods 207 are expanded by extruding the springs 208, so that the expansion rods 207 are inserted into the soil, the device is secondarily reinforced, and the firmness of the device is improved;

[0034] Specifically, the opposite sides of the fixed plates 201 are fixedly connected with the adjacent sides of the support plates 8, so that the whole device can be accurately positioned, screw holes 202 are specially formed in the top of the fixed plates 201, the inner walls of the screw holes 202 are slidably connected with anchor rods 204, the anchor rods 204 are inserted into the screw holes 202 to preliminarily fix the device, in order to further enhance the fixing effect, the top of the anchor rod 204 is designed with threads, which can be threadedly connected with a bolt 205, in addition, the bottom of the inner wall of the anchor rod 204 is specially provided with an installation groove 206, the inner walls of the installation groove 206 are slidably connected with expansion rods 207, the opposite sides of the expansion rods 207 are fixedly connected with springs 208, the expansion rods 207 are inserted between the expansion rods 207 by rotating the bolt 205, the expansion rods 207 are expanded by extruding the springs 208, so that the expansion rods 207 are inserted into the soil, the device is secondarily reinforced, and the firmness and stability of the device are significantly improved.

[0035] Referring to Figure 1 , Figure 2 and Figure 4 , the top of the support plate 3 is fixedly connected with a plurality of rubber strips 14, the plurality of rubber strips 14 are arranged at equal intervals, the adjacent sides of the two support plates 8 are provided with sliding grooves 17, the inner walls of the two sliding grooves 17 are slidably connected with connecting pieces one 18, the adjacent sides of the two connecting pieces one 18 are rotatably connected with support rods 19, one end of the two support rods 19 is rotatably connected with connecting pieces two 20, the top of the two connecting pieces two 20 is fixedly connected to the bottom of the support plate 3, and the outer wall of the support plate 8 is smoothly processed;

[0036] Specifically, the supporting plate 3 and the supporting plate 8 are connected and supported by the supporting rod 19, and the supporting rod 19 can be adjusted in length, thereby improving the supporting strength of the supporting device.

[0037] Working principle: the supporting plate 3 can be extended to both sides through the extension plate 1, realizing the supporting treatment of the top roadway with different sizes, the bottom ends are adhered to each other by rotating the relative supporting plate 8, and the insertion plate 10 is inserted into the insertion slot 12 on the right side by uniformly sliding to the right, and the insertion plate 10 is fixed by rotating the reinforcing bolt 11, thereby completing the folding and fixing treatment of the device, improving the firmness after folding, when the whole device is folded, the pulley 6 is used to realize the portable moving treatment of the device, and the fixed plate 201 is used to position the whole device, the anchor rod 204 is inserted into the screw hole 202 to complete the preliminary fixing of the device, and the rotating bolt 205 is inserted between the plurality of extension insertion rods 207, and the plurality of extension insertion rods 207 are expanded around by extrusion, so that they are inserted into the soil, realizing secondary reinforcement and improving the firmness of the device.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A support structure for a coal mine roadway, comprising an extension plate (1), characterized in that: The extension plate (1) is slidably connected to the left and right sides of the extension plate (1). The two support plates (3) are fixedly connected to the opposite sides of each other. The multiple fixed frames (4) are rotatably connected to a rotating shaft (5). The outer walls of the rotating shaft (5) are fixedly connected to the front and rear ends of the outer walls of the rotating shaft (5). The outer walls of the rotating shaft (5) are rotatably connected to a lifting plate (7). The bottom of the outer walls of the lifting plate (7) is slidably connected to a support plate (8). The left lifting plate (7) is provided with sliding grooves (9) on the front and rear sides. The inner walls of the two sliding grooves (9) are slidably connected to plug plates (10). The opposite sides of the two plug plates (10) are threadedly connected to reinforcing bolts (11). The right support plate (8) is provided with plug grooves (12) on the front and rear sides. The bottom of the support plate (8) is provided with a reinforcing mechanism (2). The reinforcing mechanism (2) is used to reinforce the entire device.

2. The support structure for a coal mine roadway according to claim 1, characterized in that: The reinforcement mechanism (2) includes two fixing plates (201). The opposite sides of the two fixing plates (201) are fixedly connected to the adjacent side of the support plate (8). The top of the fixing plate (201) is provided with a screw hole (202). The inner wall of the screw hole (202) is slidably connected with an anchor rod (204). The top of the anchor rod (204) is threaded with a bolt (205). The bottom end of the inner wall of the anchor rod (204) is provided with an installation groove (206). The inner wall of the installation groove (206) is slidably connected with extension rods (207) around its perimeter. The opposite sides of the multiple extension rods (207) are fixedly connected with springs (208).

3. The support structure for a coal mine roadway according to claim 1, characterized in that: The front side of the support plate (8) is threaded with an adjusting bolt (13), and the rear end of the adjusting bolt (13) passes through the front side of the support plate (8) and is threaded to the outer wall of the lifting plate (7).

4. The support structure for a coal mine roadway according to claim 1, characterized in that: The top of each support plate (3) is fixedly connected with multiple rubber strips (14), and the multiple rubber strips (14) are arranged at equal intervals.

5. The support structure for a coal mine roadway according to claim 1, characterized in that: The front side of each extension plate (1) is provided with multiple adjustment holes (15), and the front side of each of the two extension plates (1) is threaded with a fixing bolt (16).

6. The support structure for a coal mine roadway according to claim 1, characterized in that: Each of the two support plates (8) has a groove (17) on one of its adjacent sides, and the inner walls of the two grooves (17) are slidably connected to a connector (18).

7. The support structure for a coal mine roadway according to claim 6, characterized in that: Each of the two connecting parts (18) is rotatably connected to a support rod (19) on one side, and one end of each of the two support rods (19) is rotatably connected to a connecting part (20).

8. The support structure for a coal mine roadway according to claim 7, characterized in that: The tops of the two connecting pieces (20) are fixedly connected to the bottom of the support plate (3), and the outer wall of the support plate (8) is rounded.

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