Slope displacement monitoring device

Abstract

The utility model relates to the technical field of side slope monitoring devices, and discloses a side slope displacement monitoring device which comprises a bottom plate. A laser distance measuring sensor; the protection mechanism is arranged on one side of the rectangular box, the protection mechanism comprises an upper protection cover and a lower protection cover, and limiting strips fixedly installed on the rectangular box are movably clamped to the two sides of the upper protection cover and the two sides of the lower protection cover; the driving unit is arranged on one side of the limiting strip and used for driving the upper protection cover and the lower protection cover to be close to each other to cover the laser distance measuring sensor, and the driving unit comprises a rotating shaft, a first lifting block and a second lifting block. The protection mechanism is arranged outside the laser distance measuring sensor, and the servo motor drives the upper protection cover and the lower protection cover to be close to each other and clamped, so that the laser distance measuring sensor is protected when data is abnormal, damage in accidents is avoided, and loss is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of slope monitoring devices, in particular to a slope displacement monitoring device. Background Art

[0002] During the mining process of an open-pit coal mine, it is necessary to monitor the coal mine slope in real time and record the displacement of the coal mine slope. Observation instruments are usually used for continuous monitoring operations. The prior art discloses a slope displacement monitoring device (Announcement No.: CN221099634U), which includes a base, a pillar is fixedly installed at the middle of the upper end of the base, a top seat is fixedly installed at the upper end of the pillar, a slope top rod is slidably connected to one side wall of the pillar, an extension rod is inserted at one end of the slope top rod, and a central laser ranging sensor is slidably connected to the pillar below the slope top rod.

[0003] The existing technology enables the slope monitoring device to replace the staff to automatically perform continuous observation operations on the slope of the accumulation body. However, the existing technology does not provide a protective structure for the device. When an accident occurs and causes a coal mine collapse, the coal mine will "submerge" the monitoring device, and the impact force may cause damage to the monitoring device, thereby increasing subsequent maintenance costs.

[0004] Therefore, those skilled in the art provide a slope displacement monitoring device to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model mainly solves the technical problem that the prior art does not have a protective structure for the device. When an accident occurs and causes a coal mine collapse, the coal mine will "flood" the monitoring device, and the impact force may cause the monitoring device to be damaged, resulting in increased subsequent maintenance costs. A slope displacement monitoring device is provided.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A slope displacement monitoring device, comprising: a base plate, the base plate is placed on the ground, a rectangular box is fixedly connected to the top of the base plate, both sides of the top of the base plate are movably penetrated by limit pins, and the bottom ends of the limit pins are inserted into the ground; a laser ranging sensor, the laser ranging sensor is fixedly installed on a side wall of the rectangular box for monitoring the displacement of the coal mine slope; a protection mechanism, the protection mechanism is arranged on one side of the rectangular box for covering and protecting the laser ranging sensor in an emergency, the protection mechanism comprises an upper protective cover and a lower protective cover that are engaged with each other, and both sides of the upper protective cover and the lower protective cover are movably engaged with limit bars fixedly installed on the rectangular box; a driving unit, the driving unit is arranged on one side of the limit bar for driving the upper protective cover and the lower protective cover to approach each other to cover the laser ranging sensor, the driving unit comprises a rotating shaft, a first lifting block and a second lifting block, the rotating shaft movably penetrates the first lifting block and the second lifting block, and a dust shield is arranged on one side of the limit bar for shielding the rotating shaft, the first lifting block and the second lifting block from dust.

[0008] According to the slope displacement monitoring device, a wireless controller is also provided at the top of the rectangular box, there are two limit bars, the two limit bars are parallel to each other, and connecting plates are fixedly connected to the front end walls of the two limit bars, and the connecting plates are located at the upper and lower ends of the front end walls of the limit bars.

[0009] According to the slope displacement monitoring device, the lower protective cover can be engaged in the upper protective cover cavity, a locking block is fixedly connected to the outer wall surface of the lower protective cover, and a locking groove is opened on the inner wall surface of the upper protective cover at the position corresponding to the locking block, and the locking block can be movably engaged in the locking groove.

[0010] According to the slope displacement monitoring device, first clamping plates are fixedly connected to the outer wall surfaces on both sides of the upper protective cover, and second clamping plates are fixedly connected to the outer wall surfaces on both sides of the lower protective cover, and the first clamping plate and the second clamping plate are not on the same plane.

[0011] According to the slope displacement monitoring device, a second engaging cavity and a first engaging cavity are provided on the wall surfaces of one side where the two limit strips are close to each other, and the second engaging cavity and the first engaging cavity are not on the same vertical plane.

[0012] According to the slope displacement monitoring device, the second engaging plate is movably engaged in the corresponding second engaging cavity, the first engaging plate is movably engaged in the corresponding first engaging cavity, the first lifting block is fixedly mounted on the outer wall surfaces on both sides of the upper protective cover, and the second lifting block is fixedly mounted on the outer wall surfaces on both sides of the lower protective cover.

[0013] According to the slope displacement monitoring device, the rotating shaft is rotatably installed between the two connecting plates, and the driving unit also includes a limiting guide rod and a servo motor. The limiting guide rod is fixedly installed between the two connecting plates, and the servo motor is fixedly installed on the outer wall surface of one side of the connecting plate. The output shaft of the servo motor movably passes through the connecting plate and is fixedly connected to one end of the rotating shaft.

[0014] According to the slope displacement monitoring device, a group of reverse threads are provided on the outer wall surface of the rotating shaft, the first lifting block and the second lifting block are located at both ends of the rotating shaft, and the rotating shaft and the first lifting block and the second lifting block are in a threaded connection relationship.

[0015] The utility model provides a slope displacement monitoring device, which has the following beneficial effects:

[0016] (1) During operation, the laser ranging sensor is responsible for monitoring whether the coal mine slope is displaced and recording the displacement. When an unexpected situation occurs, the slope displacement becomes larger and larger, and the coal mine slope collapses, which may cause the coal mine to cover the monitoring device. Coal particles may damage the laser ranging sensor, resulting in serious damage to the product and high cost for subsequent maintenance and replacement. The present application sets a protective mechanism on the outside of the laser ranging sensor, and drives the upper protective cover and the lower protective cover to approach and engage with each other through a servo motor, so that the laser ranging sensor is covered and protected when the data is abnormal, avoiding damage in accidents and reducing losses.

[0017] (2) During operation, the servo motor drives the rotating shaft to rotate. The rotating shaft moves through the first lifting block and the second lifting block on one side. A group of reverse threads are opened on the outer wall surface of the rotating shaft. The first lifting block and the second lifting block are located at both ends of the rotating shaft. The rotating shaft and the first lifting block and the second lifting block are connected by threads. The first lifting block is fixedly connected to the upper protective cover, and the second lifting block is fixedly connected to the lower protective cover. Therefore, during the rotation of the rotating shaft, the upper protective cover and the lower protective cover approach each other until the lower protective cover is engaged in the upper protective cover, thereby protecting the laser ranging sensor.

[0018] (3) A second engaging cavity and a first engaging cavity are provided on the wall surface on one side where the two limit bars are close to each other. The second engaging cavity and the first engaging cavity are not on the same vertical plane. The first engaging plates are fixedly connected to the outer wall surfaces on both sides of the upper protective cover, and the second engaging plates are fixedly connected to the outer wall surfaces on both sides of the lower protective cover. The second engaging plates are movably engaged in the corresponding second engaging cavities, and the first engaging plates are movably engaged in the corresponding first engaging cavities, so that the lower protective cover moves along the second engaging cavities during the lifting process, and the upper protective cover moves along the first engaging cavities during the lifting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a slope displacement monitoring device of the utility model;

[0020] Figure 2 This is a schematic diagram of the connection relationship between a rectangular box and a laser ranging sensor of a slope displacement monitoring device of the utility model;

[0021] Figure 3 It is a three-dimensional structural diagram of a protection mechanism of a slope displacement monitoring device of the utility model;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of an upper protective cover and a lower protective cover of a slope displacement monitoring device of the utility model;

[0023] Figure 5 This is a schematic diagram of the position relationship between the driving unit, the limit strip, the upper protective cover and the lower protective cover of a slope displacement monitoring device of the utility model;

[0024] Figure 6 The utility model is a schematic diagram of the three-dimensional structure of a limit bar of a slope displacement monitoring device.

[0025] Legend:

[0026] 10. Bottom plate; 11. Rectangular box; 12. Laser ranging sensor; 13. Wireless controller; 14. Limit pin; 15. Protection mechanism; 16. Upper protection cover; 17. Lower protection cover; 18. Limit strip; 19. Connecting plate; 20. Dust shield; 21. Servo motor; 22. Engagement block; 23. Engagement groove; 24. First engagement plate; 25. Second engagement plate; 26. First lifting block; 27. Second lifting block; 28. Rotating shaft; 29. ​​Limit guide rod; 30. Second engagement cavity; 31. First engagement cavity. DETAILED DESCRIPTION

[0027] like Figure 1-6As shown: a slope displacement monitoring device, which includes: a bottom plate 10, the bottom plate 10 is placed on the ground, the top of the bottom plate 10 is fixedly connected to a rectangular box 11, the top sides of the bottom plate 10 are movably penetrated by limit pins 14, and the bottom ends of the limit pins 14 are inserted into the ground; a laser distance sensor 12, the laser distance sensor 12 is fixedly installed on a side wall of the rectangular box 11 for monitoring the displacement of the coal mine slope; a protection mechanism 15, the protection mechanism 15 is arranged on one side of the rectangular box 11 for covering and protecting the laser distance sensor 12 in an emergency, and the protection mechanism 15 includes an upper protection mechanism that engages with each other The upper protective cover 16 and the lower protective cover 17, both sides of the upper protective cover 16 and the lower protective cover 17 are movably engaged with a limit bar 18 fixedly installed on the rectangular box 11; the driving unit is arranged on one side of the limit bar 18 to drive the upper protective cover 16 and the lower protective cover 17 to approach each other to cover the laser ranging sensor 12, and the driving unit includes a rotating shaft 28, a first lifting block 26 and a second lifting block 27. The rotating shaft 28 movably passes through the first lifting block 26 and the second lifting block 27, and a dust shield 20 is arranged on one side of the limit bar 18 to shield the rotating shaft 28, the first lifting block 26 and the second lifting block 27 from dust.

[0028] It is worth noting that when the ranging value of the laser ranging sensor 12 decreases, it means that the coal mine slope has expanded, and when the value continues to decrease, it means that the coal mine slope has collapsed. The wireless controller 13 can send and receive wireless signals. A slope displacement monitoring device (publication number: CN221099634U) of the laser ranging sensor 12 and the wireless controller 13 in the prior art has been disclosed and will not be repeated here.

[0029] Specifically, during operation, the laser ranging sensor 12 is responsible for monitoring whether the coal mine slope is displaced and recording the displacement. When an unexpected situation occurs, the slope displacement becomes larger and larger, and the coal mine slope collapses, which may cause the coal mine to cover the monitoring device. Coal particles may damage the laser ranging sensor 12, resulting in serious damage to the product and high cost for subsequent maintenance and replacement. The present application sets a protection mechanism 15 on the outside of the laser ranging sensor 12, and drives the upper protection cover 16 and the lower protection cover 17 to engage with each other through the servo motor 21, so that the laser ranging sensor 12 is covered and protected when the data is abnormal, so as to avoid damage in accidents and reduce losses.

[0030] A wireless controller 13 is also provided at the top of the rectangular box 11. There are two limit bars 18, which are parallel to each other. A connecting plate 19 is fixedly connected to the front end wall of the two limit bars 18, and the connecting plate 19 is located at the upper and lower ends of the front end wall of the limit bar 18.

[0031] Specifically, a wireless controller 13 is provided at the top of the rectangular box 11 to output the signal, and a limit bar 18 is provided to fix it on the side wall of the rectangular box 11, and a connecting plate 19 is installed at the front end of the two limit bars 18 to facilitate the installation of the drive unit.

[0032] The lower protective cover 17 can be engaged in the cavity of the upper protective cover 16. A locking block 22 is fixedly connected to the outer wall of the lower protective cover 17. A locking groove 23 is opened on the inner wall of the upper protective cover 16 at a position corresponding to the locking block 22. The locking block 22 can be movably engaged in the locking groove 23.

[0033] Specifically, the lower protective cover 17 can be engaged in the cavity of the upper protective cover 16, and is fixedly connected to the lower protective cover 17 by providing a locking block 22. The upper protective cover 16 is provided with a locking groove 23 at a position corresponding to the locking block 22, and the locking block 22 can be movably engaged in the locking groove 23, thereby improving the stability of the engagement between the upper protective cover 16 and the lower protective cover 17.

[0034] The first snap-fitting plates 24 are fixedly connected to the outer wall surfaces on both sides of the upper protective cover 16, and the second snap-fitting plates 25 are fixedly connected to the outer wall surfaces on both sides of the lower protective cover 17, and the first snap-fitting plates 24 and the second snap-fitting plates 25 are not on the same plane. The second snap-fitting cavity 30 and the first snap-fitting cavity 31 are provided on the wall surfaces on one side where the two limit strips 18 are close to each other, and the second snap-fitting cavity 30 and the first snap-fitting cavity 31 are not on the same vertical plane. The second snap-fitting plate 25 is movably engaged in the corresponding second snap-fitting cavity 30, and the first snap-fitting plate 24 is movably engaged in the corresponding first snap-fitting cavity 31. The first lifting block 26 is fixedly installed on the outer wall surfaces on both sides of the upper protective cover 16, and the second lifting block 27 is fixedly installed on the outer wall surfaces on both sides of the lower protective cover 17.

[0035] Specifically, a second snap-fitting cavity 30 and a first snap-fitting cavity 31 are provided on the wall surface on one side where the two limit strips 18 are close to each other. The second snap-fitting cavity 30 and the first snap-fitting cavity 31 are not on the same vertical plane. The first snap-fitting plates 24 are fixedly connected to the outer walls on both sides of the upper protective cover 16, and the second snap-fitting plates 25 are fixedly connected to the outer walls on both sides of the lower protective cover 17. The second snap-fitting plates 25 are movably engaged in the corresponding second snap-fitting cavity 30, and the first snap-fitting plates 24 are movably engaged in the corresponding first snap-fitting cavity 31, so that the lower protective cover 17 moves along the second snap-fitting cavity 30 during the lifting process, and the upper protective cover 16 moves along the first snap-fitting cavity 31 during the lifting process.

[0036] The rotating shaft 28 is rotatably mounted between the two connecting plates 19, and the driving unit further comprises a limit guide rod 29 and a servo motor 21. The limit guide rod 29 is fixedly mounted between the two connecting plates 19, and the limit guide rod 29 movably penetrates another set of first lifting blocks 26 and second lifting blocks 27. The servo motor 21 is fixedly mounted on the outer wall surface of one side of the connecting plate 19, and the output shaft of the servo motor 21 movably penetrates the connecting plate 19 and is fixedly connected to one end of the rotating shaft 28. A set of reverse threads is provided on the outer wall surface of the rotating shaft 28, and the first lifting blocks 26 and the second lifting blocks 27 are located at both ends of the rotating shaft 28, and the rotating shaft 28 is in a threaded connection relationship with the first lifting blocks 26 and the second lifting blocks 27.

[0037] Specifically, during operation, the servo motor 21 drives the rotating shaft 28 to rotate, and the rotating shaft 28 moves through the first lifting block 26 and the second lifting block 27 on one side. A group of reverse threads are opened on the outer wall surface of the rotating shaft 28, and the first lifting block 26 and the second lifting block 27 are located at both ends of the rotating shaft 28. The rotating shaft 28 and the first lifting block 26 and the second lifting block 27 are threadedly connected. The first lifting block 26 is fixedly connected to the upper protective cover 16, and the second lifting block 27 is fixedly connected to the lower protective cover 17. Therefore, during the rotation of the rotating shaft 28, the upper protective cover 16 and the lower protective cover 17 approach each other until the lower protective cover 17 is engaged in the upper protective cover 16, thereby protecting the laser ranging sensor 12.

[0038] The working principle of a slope displacement monitoring device of the present application is as follows: after the laser ranging sensor 12 detects abnormal data, the servo motor 21 is started, the servo motor 21 drives the rotating shaft 28 to rotate, the rotating shaft 28 moves through the first lifting block 26 and the second lifting block 27 on one side, a group of reverse threads are opened on the outer wall surface of the rotating shaft 28, the first lifting block 26 and the second lifting block 27 are located at both ends of the rotating shaft 28, the rotating shaft 28 and the first lifting block 26 and the second lifting block 27 are in a threaded connection relationship, the first lifting block 26 is fixedly connected to the upper protective cover 16, and the first lifting block 26 is fixedly connected to the upper protective cover 16. The two lifting blocks 27 are fixedly connected to the lower protective cover 17, so that the upper protective cover 16 and the lower protective cover 17 are close to each other during the rotation of the rotating shaft 28, so as to protect the laser ranging sensor 12. A second engaging cavity 30 and a first engaging cavity 31 are provided on the wall surface on one side where the two limit bars 18 are close to each other. The lower protective cover 17 moves along the second engaging cavity 30 during the lifting process, and the upper protective cover 16 moves along the first engaging cavity 31 during the lifting process. The dust shield 20 is provided to shield the rotating shaft 28 from dust, so as to ensure the normal operation of the device.

[0039] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0040] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A slope displacement monitoring device, characterized in that: include: A bottom plate (10), the bottom plate (10) is placed on the ground, a rectangular box (11) is fixedly connected to the top of the bottom plate (10), limiting pins (14) are movably penetrated on both sides of the top of the bottom plate (10), and the bottom ends of the limiting pins (14) are inserted into the ground; A laser distance measuring sensor (12), wherein the laser distance measuring sensor (12) is fixedly mounted on a side wall of the rectangular box (11) and is used for monitoring the displacement of a coal mine slope; A protection mechanism (15), the protection mechanism (15) being arranged on one side of the rectangular box (11) and used for covering and protecting the laser distance measuring sensor (12) in an emergency, the protection mechanism (15) comprising an upper protection cover (16) and a lower protection cover (17) which are engaged with each other, and limiting bars (18) which are fixedly mounted on the rectangular box (11) are movably engaged on both sides of the upper protection cover (16) and the lower protection cover (17); A driving unit is provided on one side of a limit bar (18) for driving an upper protective cover (16) and a lower protective cover (17) to move closer to each other so as to cover a laser distance measuring sensor (12). The driving unit comprises a rotating shaft (28), a first lifting block (26) and a second lifting block (27). The rotating shaft (28) movably passes through the first lifting block (26) and the second lifting block (27). A dust shield (20) for shielding the rotating shaft (28), the first lifting block (26) and the second lifting block (27) from dust is provided on one side of the limit bar (18).

2. The slope displacement monitoring device according to claim 1, characterized in that: A wireless controller (13) is also provided at the top of the rectangular box (11). There are two limit bars (18), which are parallel to each other. A connecting plate (19) is fixedly connected to the front end wall surfaces of the two limit bars (18), and the connecting plate (19) is located at the upper and lower ends of the front end wall surfaces of the limit bars (18).

3. The slope displacement monitoring device according to claim 1, characterized in that: The lower protective cover (17) can be engaged in the cavity of the upper protective cover (16); a locking block (22) is fixedly connected to the outer wall surface of the lower protective cover (17); a locking groove (23) is provided on the inner wall surface of the upper protective cover (16) at a position corresponding to the locking block (22); and the locking block (22) can be movably engaged in the locking groove (23).

4. The slope displacement monitoring device according to claim 1, characterized in that: The outer wall surfaces on both sides of the upper protective cover (16) are fixedly connected with first clamping plates (24), and the outer wall surfaces on both sides of the lower protective cover (17) are fixedly connected with second clamping plates (25), and the first clamping plates (24) and the second clamping plates (25) are not on the same plane.

5. The slope displacement monitoring device according to claim 2, characterized in that: A second engaging cavity (30) and a first engaging cavity (31) are provided on the wall surfaces of one side of the two limit strips (18) close to each other, and the second engaging cavity (30) and the first engaging cavity (31) are not on the same vertical plane.

6. The slope displacement monitoring device according to claim 4, characterized in that: The second engaging plate (25) is movably engaged in the corresponding second engaging cavity (30), the first engaging plate (24) is movably engaged in the corresponding first engaging cavity (31), the first lifting block (26) is fixedly mounted on the outer wall surfaces on both sides of the upper protective cover (16), and the second lifting block (27) is fixedly mounted on the outer wall surfaces on both sides of the lower protective cover (17).

7. The slope displacement monitoring device according to claim 1, characterized in that: The rotating shaft (28) is rotatably mounted between the two connecting plates (19), and the driving unit further comprises a limit guide rod (29) and a servo motor (21), wherein the limit guide rod (29) is fixedly mounted between the two connecting plates (19), and the servo motor (21) is fixedly mounted on an outer wall surface of one side of the connecting plate (19), and an output shaft of the servo motor (21) movably passes through the connecting plate (19) and is fixedly connected to one end of the rotating shaft (28).

8. The slope displacement monitoring device according to claim 7, characterized in that: A group of reverse threads are provided on the outer wall surface of the rotating shaft (28); the first lifting block (26) and the second lifting block (27) are located at two ends of the rotating shaft (28); and the rotating shaft (28) and the first lifting block (26) and the second lifting block (27) are in threaded connection with each other.

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