Open pit coal mine slope stability measuring device

Abstract

The utility model discloses an open-pit coal mine slope stability measuring device, and the device comprises a water level observation well which is used for observing the water level; the device is suitable for measuring the water level stability of the open pit coal mine slope, meanwhile, the guiding measuring assembly and the floating assembly are designed, and through cooperative use of the guiding measuring assembly and the floating assembly, the water level can be measured in real time; in order to solve the problems that common water level measuring equipment is frozen in cold weather in winter, a floating structure is frozen due to water surface icing, and mobile measurement cannot be carried out after the water level drops, the utility model designs an automatic ice breaking assembly, and through the arrangement of the automatic ice breaking assembly, ice breaking treatment can be automatically carried out after the water level drops on the premise of freezing, so that the working efficiency is improved. Extra power equipment and operation are not needed, and the device is convenient to use and particularly suitable for open pit coal mine slopes in the cold environment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of open coal mine slope detection, in particular to an open coal mine slope stability measuring device. BACKGROUND

[0002] In the mining process of open coal mines, slope stability monitoring is an important link to ensure the safety of mine production. Slope instability may cause landslides, collapses and other major disasters, posing a serious threat to personnel, equipment and the environment. Among them, groundwater level change is one of the key factors affecting slope stability;

[0003] The rise and fall of water level changes the physical and mechanical properties of rock-soil mass, reduces the shear strength, and intensifies the pore water pressure, thereby inducing slope instability. Therefore, real-time and accurate water level monitoring is of great significance for early warning of slope deformation and development of prevention measures;

[0004] Traditional water level monitoring devices mostly use float type, which reflects water level information through the rise and fall of the float. However, in open coal mines in cold regions, the phenomenon of frozen water surface in the monitoring well is common due to low temperature environment in winter. When the water surface freezes, the float is solidified with the ice layer and cannot move freely with the water level, resulting in serious lag of measurement data or even failure;

[0005] That is, the prior art has the following technical problems: ordinary water level monitoring and measuring equipment is prone to freezing and unable to move. Therefore, the open coal mine slope stability measuring device is proposed to solve the above problems. SUMMARY

[0006] The open coal mine slope stability measuring device is provided in the embodiment to solve the problem that ordinary water level monitoring and measuring equipment is prone to freezing and unable to move in the prior art.

[0007] According to one aspect of the present application, an open coal mine slope stability measuring device is provided, which comprises:

[0008] A water level observation well, a guide measuring assembly is fixedly arranged in the inner cavity of the water level observation well, and the water level observation well is used for observing water level;

[0009] A floating assembly, the floating assembly is fixedly arranged on the guide measuring assembly, and the floating assembly is used for automatically measuring water level when the slope water level changes;

[0010] An automatic ice breaking assembly, the automatic ice breaking assembly is fixedly arranged at the side wall position of the floating assembly, and the automatic ice breaking assembly is used for automatically breaking ice when the water level drops after the water surface freezes.

[0011] Further, the guiding and measuring assembly comprises a fixed support, a fixed guide rod, a moving sleeve and a connecting side arm, both ends of the fixed guide rod are fixedly connected with the fixed support, and the fixed support is fixedly arranged at the inner wall of the water level observation well.

[0012] Further, the arc-shaped wall of the fixed guide rod is slidably connected with the moving sleeve, the arc-shaped wall of the moving sleeve is fixedly connected with the connecting side arm, and the connecting side arm is fixedly connected with the floating assembly.

[0013] Further, the floating assembly comprises a fixed sleeve rod, a moving rod, a floating cylinder, a sealing ring, a moving guide rod and a moving block, and the fixed sleeve rod is fixedly arranged at the bottom surface of one end of the connecting side arm.

[0014] Further, the inner cavity of the fixed sleeve rod is slidably connected with the moving rod, the bottom end of the moving rod is fixedly connected with the floating cylinder, the upper end of the moving rod is fixedly connected with the moving guide rod, and the gap between the fixed sleeve rod and the moving guide rod is fixedly provided with the sealing ring.

[0015] Further, the top end of the moving guide rod is fixedly connected with the moving block, and the upper surface of the moving block is fixedly connected with the top rod.

[0016] Further, the automatic ice breaking assembly comprises a moving sleeve, an ice breaking cone, a sliding block, a compression spring, a limiting circular plate and a trigger structure, the moving sleeve is sleeved at the arc-shaped wall of the fixed sleeve rod and is in sliding fit with the fixed sleeve rod, the sliding block is arranged in the inner cavity of the fixed sleeve rod and is in sliding fit with the fixed sleeve rod, and the sliding block is fixedly connected with the moving sleeve.

[0017] Further, one end of the compression spring is fixedly connected with the upper surface of the sliding block, the other end of the compression spring is fixedly connected with the upper wall of the inner cavity of the fixed sleeve rod, the compression spring is in a compressed state, and the bottom surface of the sliding block is fixedly connected with the limiting circular plate.

[0018] Further, both sides of the inner cavity of the fixed sleeve rod are provided with sliding grooves, and the trigger structure is arranged in the sliding grooves.

[0019] Further, the trigger structure comprises a moving guide plate, a limiting spring, a pin column, a round head and an inclined surface limiting pin, the moving guide plate is arranged in the sliding groove of the fixed sleeve rod and is in sliding fit with the fixed sleeve rod, the upper side of the moving guide plate is fixedly connected with the inclined surface limiting pin, the inclined surface limiting pin is used for limiting the limiting circular plate, the lower side of the moving guide plate is fixedly connected with the pin column, one end of the pin column is provided with the round head, and the other side of the moving guide plate is fixedly connected with the limiting spring.

[0020] Through the above-mentioned embodiments of the present application, the present application is suitable for measuring the water level stability of the open-pit coal mine slope, meanwhile, the present application designs the guiding measurement assembly and the floating assembly, through the cooperation of the guiding measurement assembly and the floating assembly, the water level can be measured in real time, and in order to solve the problem that the ordinary water level measurement equipment in the prior art is frozen in the floating structure due to the ice on the water surface in the cold weather in winter, and cannot be moved for measurement after the water level drops, the present application designs the automatic ice breaking assembly, through the setting of the automatic ice breaking assembly, the ice breaking treatment can be automatically performed after the water level drops under the premise of being frozen, without additional power equipment and operation, which is convenient to use, and is especially suitable for the open-pit coal mine slope in cold environment. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 The overall structure schematic diagram of one embodiment of the present application;

[0023] Figure 2 The internal structure schematic diagram of one embodiment of the present application;

[0024] Figure 3 The overall structure schematic diagram of one embodiment of the present application;

[0025] Figure 4 The structure schematic diagram of the automatic ice breaking assembly of one embodiment of the present application;

[0026] Figure 5 The internal structure schematic diagram of the automatic ice breaking assembly of one embodiment of the present application;

[0027] Figure 6 The overall structure schematic diagram of one embodiment of the present application; Figure 5 The partial enlarged structure schematic diagram of A of the present application.

[0028] In the drawings:

[0029] Water level observation well 1;

[0030] Guiding measurement assembly 2, fixed support 201, fixed guide rod 202, moving sleeve 203, connecting side arm 204;

[0031] Floating assembly 3, fixed sleeve rod 301, moving rod 302, floating cylinder 303, sealing ring 304, moving guide rod 305, moving sliding block 306, top rod 307;

[0032] Automatic ice breaking assembly 4, moving sleeve 401, ice breaking cone 402, sliding block 403, compression spring 404, limiting round plate 405, moving guide plate 406, limiting spring 407, pin column 408, round head 409, inclined surface limiting pin 410. DETAILED DESCRIPTION

[0033] In order to enable persons skilled in the art to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by persons skilled in the art without creative labor should fall within the scope of protection of the present application.

[0034] It should be noted that the terms "first", "second", and the like in the specification of the present application, the claims, and the above-described drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0035] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0036] Moreover, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For persons skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0037] In addition, the terms "mounting", "setting", "provided with", "connecting", "connected", "sleeved" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally configured; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood according to the specific circumstances by those skilled in the art.

[0038] Please refer to Figures 1-6 The open-pit coal mine slope stability measuring device comprises:

[0039] A water level observation well 1 is provided with a guide measuring assembly 2 fixedly arranged in the inner cavity of the water level observation well 1, and the water level observation well 1 is used for observing the water level;

[0040] A floating assembly 3 is fixedly arranged on the guide measuring assembly 2, and the floating assembly 3 is used for automatically measuring the water level when the slope water level changes;

[0041] An automatic ice breaking assembly 4 is fixedly arranged at the side wall position of the floating assembly 3, and the automatic ice breaking assembly 4 is used for automatically breaking ice when the water level drops after the water surface freezes;

[0042] Through the above technical scheme, the water level can be measured in real time through the cooperation of the guide measuring assembly 2 and the floating assembly 3. In order to solve the problem that the ordinary water level measuring equipment in the prior art is frozen in the floating structure due to ice on the water surface in cold weather in winter, and cannot be moved for measurement after the water level drops, the application designs an automatic ice breaking assembly 4. Through the arrangement of the automatic ice breaking assembly 4, ice breaking treatment can be automatically performed when the water level drops under the premise of being frozen, without the need for additional power equipment and operation, which is convenient to use and is especially suitable for use in open-pit coal mine slopes in cold environments;

[0043] The guide measuring assembly 2 comprises a fixed support 201, a fixed guide rod 202, a moving sleeve 203, and a connecting side arm 204. The fixed guide rod 202 is fixedly connected with the fixed support 201 at both ends, and the fixed support 201 is fixedly arranged at the inner wall of the water level observation well 1;

[0044] The moving sleeve 203 is slidably connected to the arc-shaped wall of the fixed guide rod 202, and the arc-shaped wall of the moving sleeve 203 is fixedly connected with a plurality of connecting side arms 204. The floating assembly 3 is fixedly connected to the plurality of connecting side arms 204;

[0045] The floating assembly 3 comprises a fixed sleeve rod 301, a moving rod 302, a floating cylinder 303, a sealing ring 304, a moving guide rod 305 and a moving sliding block 306, and the fixed sleeve rod 301 is fixedly arranged at the bottom surface of one end of the connecting side arm 204;

[0046] The moving rod 302 is slidably connected in the inner cavity of the fixed sleeve rod 301, the floating cylinder 303 is fixedly connected at the bottom end of the moving rod 302, the moving guide rod 305 is fixedly connected at the upper end of the moving rod 302, the sealing ring 304 is fixedly arranged at the gap between the fixed sleeve rod 301 and the moving guide rod 305, and through the buoyancy support of the floating cylinder 303, the weight of the upper part of the fixed sleeve rod 301 is balanced, so that the fixed sleeve rod 301 can float on the water surface, thereby automatically driving the moving sleeve 203 to move when the water level changes, and the water level detection function is realized.

[0047] The moving sliding block 306 is fixedly connected at the top end of the moving guide rod 305, and the top rod 307 is fixedly connected at the upper surface of the moving sliding block 306;

[0048] The automatic ice breaking assembly 4 comprises a moving sleeve 401, an ice breaking cone 402, a sliding block 403, a compression spring 404, a limiting circular plate 405 and a trigger structure, the moving sleeve 401 is sleeved at the arc-shaped wall of the fixed sleeve rod 301 and is slidably connected with the fixed sleeve rod 301, the sliding block 403 is arranged in the inner cavity of the fixed sleeve rod 301 and is slidably connected with the fixed sleeve rod 301, and the sliding block 403 is fixedly connected with the moving sleeve 401;

[0049] One end of the compression spring 404 is fixedly connected at the upper surface of the sliding block 403, the other end of the compression spring 404 is fixedly connected with the upper wall of the inner cavity of the fixed sleeve rod 301, the compression spring 404 is in a compressed state, and the limiting circular plate 405 is fixedly connected at the bottom surface of the sliding block 403;

[0050] The inner cavities of the fixed sleeve rod 301 are provided with sliding grooves at both sides, and the trigger structure is arranged in the sliding grooves;

[0051] The trigger structure comprises a moving guide plate 406, a limiting spring 407, a pin column 408, a round head 409 and an inclined surface limiting pin 410. The moving guide plate 406 is arranged in the sliding groove of the fixed sleeve rod 301 and is in sliding fit with the fixed sleeve rod 301. The inclined surface limiting pin 410 is fixedly connected to the upper side wall of the moving guide plate 406 and is used for limiting the limiting round plate 405. The pin column 408 is fixedly connected to the lower side wall of the moving guide plate 406, and the round head 409 is arranged at one end of the pin column 408. The limiting spring 407 is fixedly connected to the other side of the moving guide plate 406. When the water surface is frozen due to low temperature, the fixed sleeve rod 301 on the water surface is frozen. When the water level is lowered due to evaporation or drainage, the floating cylinder 303 is below the ice surface, the water level is lowered, the floating cylinder 303 is lowered, the moving rod 302 is driven to move downwards, and then the moving guide rod 305 and the moving sliding block 306 are driven to move downwards. When the moving sliding block 306 moves downwards and contacts the round head 409, the round head 409 is pressed to drive the moving guide plate 406 to move, so that the inclined surface limiting pin 410 is driven to move by the movement of the moving guide plate 406, and then the inclined surface limiting pin 410 is retracted. Because the limiting effect of the inclined surface limiting pin 410 is lost, the elastic potential energy accumulated by the compression spring 404 is released, the sliding block 403 is driven to move downwards, and then the moving sleeve 401 is driven to move downwards, and then the ice-breaking cone 402 is driven to move downwards, so that the ice pieces are automatically broken, and the function of automatic ice breaking is realized.

[0052] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for measuring the stability of a slope in an open coal mine, characterised in that: The open-pit coal mine slope stability measuring device comprises: A water level observation well (1) is provided with a guide measuring assembly (2) fixedly arranged in the inner cavity, and is used for observing the water level; A floating assembly (3) is fixedly arranged on the guide measuring assembly (2) and is used for automatically measuring the water level when the slope water level changes; An automatic ice breaking assembly (4) is fixedly arranged at the side wall of the floating assembly (3) and is used for automatically breaking ice when the water level drops after the water surface freezes.

2. The open cut coal mine slope stability measuring device according to claim 1, characterised in that: The guide measuring assembly (2) comprises fixed supports (201), fixed guide rods (202), moving sleeves (203) and connecting side arms (204), both ends of the fixed guide rod (202) are fixedly connected with the fixed supports (201), and the fixed supports (201) are fixedly arranged at the inner wall of the water level observation well (1).

3. The open cut coal mine slope stability measuring device according to claim 2, characterised in that: The moving sleeve (203) is slidably connected with the arc-shaped wall of the fixed guide rod (202), the arc-shaped wall of the moving sleeve (203) is fixedly connected with the connecting side arms (204), and the floating assembly (3) is fixedly connected with the connecting side arms (204).

4. The open cut coal mine slope stability measuring device according to claim 1, characterised in that: The floating assembly (3) comprises fixed sleeve rods (301), moving rods (302), floating cylinders (303), sealing rings (304), moving guide rods (305) and moving sliding blocks (306), and the fixed sleeve rod (301) is fixedly arranged at the bottom surface of one end of the connecting side arm (204).

5. The open cut coal mine slope stability measuring device according to claim 4, characterised in that: The moving rod (302) is slidably connected in the inner cavity of the fixed sleeve rod (301), the bottom end of the moving rod (302) is fixedly connected with the floating cylinder (303), the upper end of the moving rod (302) is fixedly connected with the moving guide rod (305), and the sealing ring (304) is fixedly arranged at the gap between the fixed sleeve rod (301) and the moving guide rod (305).

6. The open cut coal mine slope stability measuring device according to claim 4, characterised in that: The top end of the moving guide rod (305) is fixedly connected with the moving sliding block (306), and the top surface of the moving sliding block (306) is fixedly connected with the top rod (307).

7. The open cut coal mine slope stability measuring device according to claim 1 characterised in that: The automatic ice breaking assembly (4) comprises a moving sleeve (401), an ice breaking cone (402), a sliding block (403), a compression spring (404), a limiting circular plate (405) and a trigger structure, the moving sleeve (401) is sleeved and matched with the arc-shaped wall of the fixed sleeve rod (301), the sliding block (403) is arranged in the inner cavity of the fixed sleeve rod (301) and is slidably matched with the fixed sleeve rod (301), and the sliding block (403) is fixedly connected with the moving sleeve (401).

8. The open cut coal mine slope stability measuring device according to claim 7, characterised in that: One end of the compression spring (404) is fixedly connected with the upper surface of the sliding block (403), the other end of the compression spring (404) is fixedly connected with the upper wall of the inner cavity of the fixed sleeve rod (301), the compression spring (404) is in a compressed state, and the limiting circular plate (405) is fixedly connected with the bottom surface of the sliding block (403).

9. The open cut coal mine slope stability measuring device according to claim 7, characterised in that: The inner cavity of the fixed sleeve rod (301) is provided with a sliding groove on both sides, and the trigger structure is arranged in the sliding groove.

10. The open cut coal mine slope stability measuring device according to claim 7, characterised in that: The trigger structure comprises a moving guide plate (406), a limiting spring (407), a pin column (408), a round head (409) and an inclined limiting pin (410). The moving guide plate (406) is arranged in the sliding groove of the fixed sleeve rod (301) and is in sliding cooperation with the fixed sleeve rod (301). The upper side wall of the moving guide plate (406) is fixedly connected with the inclined limiting pin (410), and the inclined limiting pin (410) is used for limiting the limiting round plate (405). The lower side wall of the moving guide plate (406) is fixedly connected with the pin column (408), one end of the pin column (408) is provided with the round head (409), and the other side of the moving guide plate (406) is fixedly connected with the limiting spring (407).

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