Coal mine tunnel support monitoring device

Abstract

The utility model relates to the technical field of roadway support, and particularly discloses a coal mine roadway support monitoring device, which comprises an anchor rod mechanism comprising an anchor rod body, a supporting plate assembly sleeved outside the anchor rod body, a plurality of limiting assemblies clamped and embedded on the supporting plate assembly in a sliding manner, and a fastening nut in threaded connection with the outside of the anchor rod body; the monitoring assembly is arranged outside the anchor rod body in a sleeving manner; the cylinder seat extrudes the curved surface part of the L-shaped limiting block, after the cylinder seat successfully crosses the curved surface of the L-shaped limiting block, the extrusion force is relieved, the spring pushes the limiting ring and the whole limiting assembly to reset, the L-shaped limiting block is stably clamped and embedded outside the cylinder seat, primary fixing of the cylinder seat on the supporting plate assembly is achieved, and the cylinder seat is prevented from being damaged. According to the supporting plate, the tedious operation that the cylinder base is manually and continuously pulled to be extruded on the supporting plate body is avoided, the installation efficiency is greatly improved, the labor intensity of workers is relieved, and safety and convenience in the installation process are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to roadway support technical field, concretely is a kind of coal mine roadway support monitoring device. BACKGROUND

[0002] In the process of coal mining, the stability of roadway is crucial. Due to the complex and variable geological conditions, the surrounding rock of roadway may be subjected to various forces, such as ground pressure, mining pressure, etc., which may cause deformation, displacement, collapse and other safety hazards. The support monitoring device can monitor the stress condition of the support structure in real time, including the size, distribution and change trend of the support force. By analyzing these data, the support effect can be evaluated to determine whether the support structure meets the design requirements, so as to timely adjust the support parameters or modify the support design, and ensure the effectiveness and reliability of the support structure.

[0003] The existing roadway support monitoring device usually needs to be continuously pulled and squeezed by manual operation during installation to ensure that it is stably fixed on the anchor rod and the supporting plate assembly. This installation method not only is complicated and inefficient, but also increases the labor intensity and safety risk of the workers. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a coal mine roadway support monitoring device to solve the problem that the existing technology usually needs to be continuously pulled and squeezed by manual operation to ensure that it is stably fixed on the anchor rod and the supporting plate assembly. This installation method not only is complicated and inefficient, but also increases the labor intensity and safety risk of the workers.

[0005] A coal mine roadway support monitoring device comprises an anchor rod mechanism, a supporting plate assembly, a plurality of limiting components and a fastening nut.

[0006] The monitoring component is sleeved on the outside of the anchor rod body, and the plurality of limiting components can limit the monitoring component.

[0007] The plurality of limiting components comprise a limiting ring slidably connected to the supporting plate assembly, one end of a guide rod is fixedly connected to the limiting ring, the other end of the guide rod is fixedly connected to a connecting rod, an L-shaped limiting block is fixedly connected to the connecting rod, the monitoring component can be clamped on the L-shaped limiting block, and a spring is sleeved on the outside of the guide rod.

[0008] Preferably, the bottom of the L-shaped limiting block is designed in a curved shape.

[0009] Preferably, the supporting plate assembly comprises a supporting plate body, and a supporting ring is fixedly connected to the supporting plate body.

[0010] Preferably, the guide rod is slidingly connected to the support ring by a limiting ring.

[0011] Preferably, the monitoring assembly comprises a cylinder seat and a pressure gauge, the cylinder seat is clamped on the L-shaped limiting block, and a pressure sensor and a signal processing circuit are arranged in the cylinder seat.

[0012] Preferably, the pressure gauge is directly connected to the signal processing circuit in the cylinder seat of the monitoring shell through a connecting cable, and is used for displaying the converted supporting force.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] 1、 the utility model discloses a cylinder seat extrudes the curved surface part of the L-shaped limiting block, and under the accurate guidance of the guide rod, the L-shaped limiting block and the connecting rod connected therewith move stably, and the spring is gradually compressed, when the cylinder seat successfully passes the curved surface of the L-shaped limiting block, the extrusion force is released, the spring pushes the limiting ring and the whole limiting assembly to reset, and the L-shaped limiting block is clamped on the outside of the cylinder seat stably, thereby realizing the preliminary fixation of the cylinder seat on the supporting plate assembly, avoiding the tedious operation that the cylinder seat is continuously extruded on the supporting plate body by artificial, greatly improving the installation efficiency, reducing the labor intensity of the staff, and ensuring the safety and convenience of the installation process.

[0015] 2、 the utility model discloses that the supporting force is monitored in real time, and the supporting state of the roadway can be more accurately evaluated by the staff in combination with the intuitive display of the pressure gauge, and the design not only improves the safety of coal production, but also enhances the reliability of the supporting system, and provides a powerful guarantee for the long-term stable operation of the coal roadway. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the exploded structure schematic view of the utility model;

[0018] Figure 3 It is the structure schematic view of the monitoring assembly of the utility model;

[0019] Figure 4 It is the utility model Figure 3 It is the enlarged view of A in the utility model.

[0020] In the figure: 1, anchor rod mechanism; 11, anchor rod body; 12, supporting plate assembly; 121, supporting plate body; 122, supporting ring; 13, limiting assembly; 131, limiting ring; 132, guide rod; 133, connecting rod; 134, L-shaped limiting block; 135, spring; 14, fastening nut; 2, monitoring assembly; 21, cylinder seat; 22, pressure gauge. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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.

[0022] As Figures 1 to 4 Indicated:

[0023] Embodiment one: the utility model provides a kind of coal mine roadway support monitoring device, comprising: anchor rod mechanism 1, including anchor rod body 11, supporting plate assembly 12 being sleeved in the outside of anchor rod body 11, several limiting assemblies 13 being slidingly clamped on supporting plate assembly 12, fastening nut 14 being screw-connected in the outside of anchor rod body 11;

[0024] Monitoring assembly 2 is sleeved in the outside of anchor rod body 11, and several limiting assemblies 13 can limit monitoring assembly 2;

[0025] Several limiting assemblies 13 include limiting ring 131 being slidingly connected on supporting plate assembly 12, one end of guide rod 132 is fixedly connected on limiting ring 131, the other end of guide rod 132 is fixedly connected with connecting rod 133, L-shaped limiting block 134 is fixedly connected on connecting rod 133, monitoring assembly 2 can be clamped on L-shaped limiting block 134, spring 135 is sleeved on the outside of guide rod 132.

[0026] Specifically, the bottom of L-shaped limiting block 134 is designed as curved surface shape.

[0027] Specifically, supporting plate assembly 12 includes supporting plate body 121, and supporting ring 122 is fixedly connected on supporting plate body 121.

[0028] Specifically, guide rod 132 is slidingly connected on supporting ring 122 by limiting ring 131.

[0029] Specifically, the monitoring assembly 2 comprises a cylinder seat 21 and a pressure gauge 22, the cylinder seat 21 can be clamped on the L-shaped limiting block 134, and a pressure sensor and a signal processing circuit are installed in the cylinder seat 21, the signal processing circuit is connected with the pressure sensor through wires, and is used for receiving, amplifying, filtering and converting the electric signal from the pressure sensor.

[0030] As can be seen from the above, in use, first, the anchor rod body 11 is firmly fixed and installed at a predetermined position of the coal mine tunnel, then the supporting plate assembly 12 is sleeved outside the anchor rod body 11, thereby providing a stable support platform for subsequent installation of the monitoring assembly, then the cylinder seat 21 is pulled and slowly pushed towards the supporting plate assembly 12, in this process, the cylinder seat 21 will be extruded to the curved surface part of the L-shaped limiting block 134, under the accurate guidance of the guide rod 132, the L-shaped limiting block 134 and the connecting rod 133 connected therewith will stably move, and the spring 135 will be gradually compressed, when the cylinder seat 21 successfully passes the curved surface of the L-shaped limiting block 134, the extrusion force is released, at this time, the spring 135 pushes the limiting ring 131 and the entire limiting assembly to reset by virtue of the restoring force thereof, in this way, the L-shaped limiting block 134 is stably clamped outside the cylinder seat 21, thereby realizing the preliminary fixation of the cylinder seat 21 on the supporting plate assembly 12, avoiding the tedious operation of continuously extruding the cylinder seat 21 on the supporting plate body 121 by manpower, greatly improving the installation efficiency, reducing the labor intensity of the workers, and ensuring the safety and convenience of the installation process, finally, the fastening nut 14 is rotationally installed on the anchor rod body 11, thereby providing additional support force for the cylinder seat 21, so as to complete the installation of the monitoring assembly 2, the pressure sensor installed in the cylinder seat 21 can monitor the size of the supporting force in real time, and the signal processing circuit can receive, amplify, filter and convert the electric signal, which enables the workers to obtain the data of the tunnel supporting state in real time, discover potential supporting problems in time, and take corresponding measures for early warning and processing, thereby effectively preventing the occurrence of safety accidents such as tunnel collapse.

[0031] As shown in Figure 3

[0032] Embodiment two: this embodiment is basically the same as the previous embodiment, the difference lies in that the pressure gauge 22 is directly connected with the signal processing circuit in the monitoring shell cylinder seat 21 through the connecting cable, and is used for displaying the converted supporting force.

[0033] As can be seen from the above, by monitoring the supporting force in real time and combining the intuitive display of the pressure gauge 22, the workers can more accurately evaluate the supporting state of the tunnel, and this design not only improves the safety of coal mine production, but also enhances the reliability of the supporting system, thereby providing a powerful guarantee for the long-term stable operation of the coal mine tunnel.

[0034] Application process: ​

[0035] The anchor rod body 11 is firmly fixed and installed at the predetermined position of the coal mine tunnel, the supporting plate assembly 12 is sleeved on the outside of the anchor rod body 11, the cylinder seat 21 is dragged and slowly pushed to the supporting plate assembly 12, the curved surface part of the L-shaped limiting block 134 is extruded by the cylinder seat 21, the L-shaped limiting block 134 and the connecting rod 133 connected therewith are stably moved under the guidance of the guide rod 132, and the spring 135 is gradually compressed, when the cylinder seat 21 successfully passes through the L-shaped limiting block 134, the spring 135 restores the deformation, pushes the limiting ring 131 and the whole limiting assembly to reset, the L-shaped limiting block 134 is clamped on the outside of the cylinder seat 21, preliminary fixing is realized, the fastening nut 14 is rotatably installed on the anchor rod body 11, additional supporting force is provided for the cylinder seat 21, the pressure sensor installed in the inside of the cylinder seat 21 monitors the size of the supporting force in real time, the signal processing circuit receives, amplifies, filters and converts the electric signal from the pressure sensor, the pressure gauge 22 is directly connected with the signal processing circuit in the monitoring shell cylinder seat 21 through the connecting cable, the converted supporting force is displayed, the staff obtains the data of the tunnel supporting state in real time by checking the display of the pressure gauge 22, potential supporting problems are found in time, and corresponding measures are taken for early warning and processing, regular maintenance and inspection are carried out according to the needs, and long-term stable operation of the monitoring device is ensured.

[0036] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail herein. The contents not described in detail in the description all belong to the prior art known by the person skilled in the art.

[0037] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. The meaning of "multiple" is two or more, unless otherwise specifically limited.

[0038] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0040] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0041] The present application discloses the drawings in the embodiment, only relates to the structure involved in the embodiment of the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other.

[0042] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A coal mine roadway support monitoring device, characterised in that, Include: The anchor rod mechanism (1) comprises an anchor rod body (11), a support plate assembly (12) sleeved outside the anchor rod body (11), a plurality of limiting assemblies (13) slidably clamped on the support plate assembly (12), and a fastening nut (14) threaded on the outside of the anchor rod body (11); The monitoring assembly (2) is sleeved outside the anchor rod body (11), and the plurality of limiting assemblies (13) can limit the monitoring assembly (2); The plurality of limiting assemblies (13) comprise a limiting ring (131) slidably connected to the support plate assembly (12), one end of the limiting ring (131) is fixedly connected with a guide rod (132), the other end of the guide rod (132) is fixedly connected with a connecting rod (133), the connecting rod (133) is fixedly connected with an L-shaped limiting block (134), the monitoring assembly (2) can be clamped on the L-shaped limiting block (134), and the outside of the guide rod (132) is sleeved with a spring (135).

2. The coal mine roadway support monitoring device of claim 1, wherein, The bottom of the L-shaped limiting block (134) is designed in a curved shape.

3. A coal mine roadway support monitoring apparatus as claimed in claim 2, characterised in that, The support plate assembly (12) comprises a support plate body (121), and the support plate body (121) is fixedly connected with a supporting ring (122).

4. A coal mine roadway support monitoring apparatus as claimed in claim 3 wherein, The guide rod (132) is limitingly and slidably connected to the supporting ring (122) through the limiting ring (131).

5. The coal mine roadway support monitoring device of claim 1, wherein, The monitoring assembly (2) comprises a cylinder seat (21) and a pressure gauge (22), the cylinder seat (21) can be clamped on the L-shaped limiting block (134), the inside of the cylinder seat (21) is provided with a pressure sensor and a signal processing circuit, the signal processing circuit and the pressure sensor are connected through wires, and are used for receiving, amplifying, filtering and converting the electric signal from the pressure sensor.

6. A coal mine roadway support monitoring apparatus as claimed in claim 5 wherein, The pressure gauge (22) is directly connected with the signal processing circuit in the monitoring shell cylinder seat (21) through a connecting cable, and is used for displaying the converted supporting force.

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