Roadway mine pressure monitoring equipment

Abstract

The utility model discloses roadway mine pressure monitoring equipment, which comprises a fixed pipe, a telescopic supporting rod, a sliding rod and an extrusion ring, the outer side wall of the fixed pipe is fixedly connected with a limiting block, the inner bottom of the limiting block is fixedly connected with three rotating shafts in a circumferential array, and the top end of the telescopic supporting rod is rotatably sleeved on the surfaces of the rotating shafts; the bottom of the telescopic supporting rod is fixedly connected with a bottom block, the top end of the bottom block is fixedly connected with a servo motor, and the bottom of the bottom block under the servo motor is rotationally connected with a grinding wheel. The extrusion ring is in threaded sleeve connection with the outer surface of the fixing pipe through a threaded groove formed in the surface of the fixing pipe below the limiting block, and the extrusion ring is located under the limiting block; the telescopic supporting rod is extruded and limited by arranging the limiting block and the extruding block, so that the telescopic supporting rod is fixedly supported, and the stability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine pressure monitoring, in particular to a roadway mine pressure monitoring device. BACKGROUND

[0002] Mine pressure monitoring refers to real-time monitoring and collecting data on the pressure changes of the inside of a mine (such as underground ore bodies, mine stope, mining working face, support system, etc.), so as to evaluate and predict the state of mine pressure changes. Its purpose is to timely discover the risks of problems in the stability of the inside of a mine, prevent geological disasters and mine accidents, and ensure the safety and stability of mine production.

[0003] Patent No. CN 220891705 U discloses a roadway mine pressure monitoring device. By setting a support structure, the three support rods in the vertical state are rotated to the inclined state. The synchronous expansion effect of the three support rods supports the perpendicularity of the casing pipe in the expanded state, thereby maintaining the perpendicularity of the casing pipe and the live rod of the measuring scale when it is erected, avoiding the situation that the casing pipe and the live rod of the measuring scale are inserted in an inclined state, causing measurement errors, and effectively improving the accuracy of equipment measurement.

[0004] However, in use, it has the following defects:

[0005] Although three support rods are used to support the casing pipe to maintain its vertical state, the lack of limiting during the expansion of the support rods cannot guarantee that the three support rods expand at the same angle. Moreover, the ground inside the roadway may not be flat, which makes it difficult to provide a stable support surface during support. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a roadway mine pressure monitoring device, which solves the problem of the lack of limiting during the expansion of the support rods, which cannot guarantee that the three support rods expand at the same angle, and the ground inside the roadway may not be flat, which makes it difficult to provide a stable support surface during support.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a roadway mine pressure monitoring device, comprising a fixed pipe, an extension support rod, a sliding rod and an extrusion ring, the outer side wall of the fixed pipe is fixedly connected with a limiting block, the inner bottom of the limiting block is fixedly connected with three rotating shafts in a circular array, the top end of the extension support rod is rotatably sleeved on the surface of the rotating shaft, and the bottom of the extension support rod is fixedly connected with a bottom block, the top end of the bottom block is fixedly connected with a servo motor, and the bottom of the bottom block below the servo motor is rotatably connected with a grinding wheel; the extrusion ring is threadedly sleeved on the outer surface of the fixed pipe through the threaded groove formed on the surface of the fixed pipe below the limiting block, and the extrusion ring is located directly below the limiting block.

[0008] In the technical scheme, the extrusion ring is rotated to ascend along the threaded groove, the telescopic supporting rod is gradually lifted in the ascending process, is opened, and contacts the limiting block after being opened to a sufficient angle, so that the opening of the telescopic supporting rod is limited, the telescopic supporting rod is kept at a fixed angle under the joint restriction of the extrusion ring and the limiting block, the support of the fixed pipe is more stable and standard, and the monitoring accuracy of the device is improved.

[0009] Preferably, a receiving groove is arranged on the surface of the telescopic supporting rod on the side of the fixed pipe.

[0010] Preferably, a threaded rod is screw-connected to the inner side of the fixed pipe, a top groove is arranged at the top end of the threaded rod, a sliding rod is vertically and slidably connected to the inner bottom of the top groove, and a spring is fixedly connected between the sliding rod and the inner bottom of the top groove.

[0011] Preferably, a base and a top plate are fixedly connected to the bottom and the top end of the fixed pipe respectively, a bottom plug is fixedly connected to the bottom center of the base, and a top plug is fixedly connected to the top center of the top plate.

[0012] Preferably, a level is fixedly connected to the top end surface of the base on the side of the fixed pipe.

[0013] Preferably, a storage battery is fixedly connected to the top end surface of the limiting block on the side of the fixed pipe.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The limiting block, the extrusion ring and the telescopic supporting rod can keep stable support, the extrusion ring is rotated to ascend along the threaded groove, the telescopic supporting rod is gradually lifted in the ascending process, is opened, and contacts the limiting block after being opened to a sufficient angle, so that the opening of the telescopic supporting rod is limited, the telescopic supporting rod is kept at a fixed angle under the joint restriction of the extrusion ring and the limiting block, the support of the fixed pipe is more stable and standard, and the monitoring accuracy of the device is improved.

[0016] 2. The servo motor and the grinding wheel are arranged on the bottom block of the telescopic supporting rod, a flat support surface can be formed, the servo motor drives the grinding wheel to rotate, the grinding wheel grinds the ground below, the protruding part is ground away, so that the support position is kept flat, and the stability of the support is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings:

[0018] Fig. 1 is a perspective view of the present application;

[0019] Fig. 2 is a cross-sectional view of the present application.

[0020] In the figure: 1, fixed tube; 2, base; 201, bottom plug; 3, limiting block; 4, rotating shaft; 5, telescopic support rod; 501, storage groove; 6, extrusion ring; 7, bottom block; 8, servo motor; 9, grinding wheel; 10, threaded rod; 1001, top groove; 11, spring; 12, sliding rod; 13, top plate; 131, top plug; 14, level; 15, battery. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the following will be further described in conjunction with specific embodiments.

[0022] A roadway mine pressure monitoring device, see Figs. 1-2 , including fixed tube 1, telescopic support rod 5, sliding rod 12 and extrusion ring 6, the outer side wall of fixed tube 1 is fixedly connected with limiting block 3, the inner bottom of limiting block 3 is fixedly connected with three rotating shafts 4 in circumferential array, the top end of telescopic support rod 5 is rotatably sleeved on the surface of rotating shaft 4, and the bottom of telescopic support rod 5 is fixedly connected with bottom block 7, the top end of bottom block 7 is fixedly connected with servo motor 8, the bottom of bottom block 7 below servo motor 8 is rotatably connected with grinding wheel 9, servo motor 8 drives grinding wheel 9 to rotate, grinding wheel 9 will polish the ground below, and the protruding part will be polished off, so that the supporting position is kept flat.

[0023] The extrusion ring 6 is threadedly sleeved on the outer surface of the fixed tube 1 through the threaded groove formed on the surface of the fixed tube 1 below the limiting block 3, and the extrusion ring 6 is located directly below the limiting block 3. Rotating the extrusion ring 6 will gradually lift and open the telescopic support rod 5 in the process of rising, and will contact the limiting block 3 after being opened to a sufficient angle, thereby limiting the continuous opening. Therefore, under the mutual constraint of the extrusion ring 6 and the limiting block 3, the fixed angle is maintained, and the stability is improved.

[0024] Specifically, as shown in Fig. 2 , the surface of telescopic support rod 5 on the side facing fixed tube 1 is provided with storage groove 501, which facilitates telescopic support rod 5 to reserve a certain space for extrusion ring 6 when it is not opened, avoiding the obstruction of extrusion ring 6 causing telescopic support rod 5 to be unable to be retracted.

[0025] It is worth noting that, asFig. 2 As shown, the inner side of the fixed pipe 1 is threadedly connected with a threaded rod 10, the top end of the threaded rod 10 is provided with a top groove 1001, the inner side of the top groove 1001 is vertically and slidingly connected with a sliding rod 12, and the sliding rod 12 is fixedly connected with a spring 11 at the inner bottom of the top groove 1001, the outer surface of the sliding rod 12 is provided with a scale, and the sliding rod 12 will slide when being pressed, so that the scale changes, and monitoring is performed.

[0026] It is worth noting that, as shown in Fig. 1 and Fig. 2 As shown, the bottom of the fixed pipe 1 and the top end of the sliding rod 12 are fixedly connected with a base 2 and a top plate 13 respectively, the bottom center of the base 2 is fixedly connected with a bottom plug 201, and the top center of the top plate 13 is fixedly connected with a top plug 131, and the base 2 and the top plate 13 are provided to be more convenient for supporting, increase the contact area, and improve the stability.

[0027] It is worth noting that, as shown in Fig. 1 As shown, the top end surface of the base 2 on one side of the fixed pipe 1 is fixedly connected with a level 14, and the level 14 can conveniently observe the current level, and conveniently make timely adjustments.

[0028] It is worth noting that, as shown in Fig. 2 As shown, the top end surface of the limiting block 3 on one side of the fixed pipe 1 is fixedly connected with a battery 15, and the battery 15 supplies power to the servo motor 8 through an external wire, so that it can work normally.

[0029] In actual use, the bottom plug 201 below the base 2 is inserted into the ground, the threaded rod 10 is rotated to make it rise with the sliding rod 12, until the top plug 131 at the top end of the top plate 13 is inserted into the rock wall above, the pressing ring 6 is rotated to make it rise along the threaded groove, and in the process of rising, the telescopic supporting rod 5 will be gradually lifted to make it open, and after the telescopic supporting rod 5 is opened to a sufficient angle, it will contact the limiting block 3 to limit it from continuing to open, so that under the mutual constraint of the pressing ring 6 and the limiting block 3, a fixed angle is maintained, so that the support of the fixed pipe 1 is more stable and standard, and the monitoring accuracy of the device is improved; the servo motor 8 drives the grinding wheel 9 to rotate, and the grinding wheel 9 will polish the ground below, and the protruding part will be polished away, so that the support position is kept flat, and the stability of the support is improved.

[0030] In addition, the components designed in the utility model are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by those skilled in the art through technical manuals or through conventional experimental methods, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of the internal structure and method.

[0031] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. A roadway pressure monitoring device comprising a fixed tube (1), an extendable support rod (5), a slide rod (12) and a compression ring (6), characterized in that: The outer side wall of the fixed pipe (1) is fixedly connected with a limiting block (3), the inner bottom of the limiting block (3) is fixedly connected with three rotating shafts (4) in a circumferential array, the top end of the telescopic supporting rod (5) is rotatably sleeved on the surface of the rotating shaft (4), the bottom of the telescopic supporting rod (5) is fixedly connected with a bottom block (7), the top end of the bottom block (7) is fixedly connected with a servo motor (8), and the bottom block (7) directly below the servo motor (8) is rotatably connected with a grinding wheel (9); the extrusion ring (6) is threadedly sleeved on the outer surface of the fixed pipe (1) through the threaded groove formed in the surface of the fixed pipe (1) below the limiting block (3), and the extrusion ring (6) is located directly below the limiting block (3).

2. A roadway ground pressure monitoring device according to claim 1, characterised in that: The surface of the telescopic supporting rod (5) on the side facing the fixed pipe (1) is provided with a receiving groove (501).

3. A mine pressure monitoring device according to claim 1, characterised in that: The inner side of the fixed pipe (1) is threadedly connected with a threaded rod (10), the top end of the threaded rod (10) is provided with a top groove (1001), the inner side of the top groove (1001) is vertically slidably connected with a sliding rod (12), and the sliding rod (12) and the inner bottom of the top groove (1001) are fixedly connected with a spring (11).

4. A mine pressure monitoring device according to claim 1, characterised in that: The bottom of the fixed pipe (1) and the top end of the sliding rod (12) are respectively fixedly connected with a base (2) and a top plate (13), the bottom center of the base (2) is fixedly connected with a bottom plug (201), and the top center of the top plate (13) is fixedly connected with a top plug (131).

5. A mine pressure monitoring device according to claim 1, characterised in that: The top end surface of the base (2) on one side of the fixed pipe (1) is fixedly connected with a level (14).

6. A mine pressure monitoring device according to claim 1, characterised in that: The top end surface of the limiting block (3) on one side of the fixed pipe (1) is fixedly connected with a storage battery (15).

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