Ground pressure monitor for mine

Abstract

The utility model discloses a mine ground pressure monitor which comprises a supporting plate, a side supporting plate, a quick dismounting mechanism, a screw rod, a threaded sleeve and a limiting sleeve, when a device needs to be installed, a hole is drilled in a proper position of a mine, a monitor body is inserted into the hole, the supporting plate is made to make contact with the ground, and the supporting plate is made to make contact with the ground. The quick dismounting and mounting mechanism is clamped with the second hexagonal convex block, the fixed screw rod is inserted into the ground by rotating the handle, the quick dismounting and mounting mechanism is clamped with the first hexagonal convex block, the handle is rotated to drive the screw rod to rotate, the screw rod is in threaded connection with the threaded sleeve, and the threaded sleeve cannot rotate under the limitation of the limiting sleeve. The threaded sleeve can move along the length direction of the screw, so that the position of the monitor main body below the threaded sleeve in the hole can be changed, the depth of the monitor main body in the hole can be conveniently adjusted, and the monitoring range and effect of the monitor main body are ensured; and by arranging the quick dismounting mechanism, no extra tool is needed during dismounting of the device, and dismounting is faster.

Description

Technical Field

[0001] The utility model relates to the technical field of ground pressure monitoring, in particular to a ground pressure monitoring instrument for mines. Background Art

[0002] There are many goafs in mines. Since the goafs and working areas are basically together, it is necessary to monitor the ground pressure to avoid disasters. When monitoring the ground pressure in mines, a ground pressure monitoring device is required.

[0003] The Chinese patent with the existing authorization announcement number CN217356250U discloses a non-coal mine ground pressure monitoring device, which relates to the field of ground pressure monitoring technology, including a support plate, the upper surface of the support plate is fixedly inlaid with a bearing, the inner ring of the bearing is fixedly connected with a threaded barrel, the outer surface of the threaded barrel is installed with a rotating assembly, the inner wall of the threaded barrel is threadedly connected with a threaded rod, the bottom end of the threaded rod is rotatably connected with a mounting seat, and the inside of the mounting seat is installed with a ground pressure monitor body. It can rotate the threaded barrel by using the rotating assembly through the matching arrangement between the support plate, the bearing, the threaded barrel, the rotating assembly, the threaded rod, the mounting seat, the ground pressure monitor body, the clamping assembly, the guide assembly and the fixed assembly, so that the mounting seat and the ground pressure monitor body can be moved, so that the device can conveniently adjust the depth of the ground pressure monitor body in the hole, can avoid the monitoring range of the ground pressure monitor body being limited, and can ensure the monitoring effect of the device.

[0004] The disadvantages of the above-mentioned prior art solutions are that the support plate is fixed to the ground by a ground screw, and the installation of the ground screw is completed by twisting the rotating block on the ground screw, which needs to be twisted manually or with the help of additional tools, and there is still room for improvement in ease of use. Utility Model Content

[0005] The purpose of the utility model is to provide a ground pressure monitor for mines to solve the technical problem that in the prior art, a support plate is fixed to the ground by a ground screw, and the installation of the ground screw is completed by twisting a rotating block on the ground screw, which requires manual twisting or the use of additional tools, and there is still a certain room for improvement in ease of use.

[0006] The technical problem to be solved by the utility model can be achieved through the following technical solutions:

[0007] A ground pressure monitoring instrument for mines, comprising:

[0008] A support plate, a rotating shaft is rotatably connected to one end surface of the support plate, a screw is rotatably connected to the other end surface of the support plate, the rotating shaft and the screw are coaxially arranged, the rotating shaft and the screw are both perpendicular to the end surface of the support plate, a hexagonal protrusion is coaxially arranged on the rotating shaft, a threaded sleeve is sleeved on the screw and threadedly connected, a monitoring instrument body is arranged at the lower end of the threaded sleeve, and a limit sleeve is sleeved on the threaded sleeve;

[0009] Side support plates, the side support plates are evenly distributed around the supporting plate in an annular shape, the side support plates are threadedly connected with a fixing screw, the fixing screw is arranged parallel to the screw, a second hexagonal protrusion is arranged on the screw, and the second hexagonal protrusion is arranged on the same side as the hexagonal protrusion;

[0010] The quick disassembly and assembly mechanism comprises a mechanism circular plate, a handle is fixedly connected to one end surface of the mechanism circular plate, the mechanism circular plate and the handle are eccentrically arranged, a mechanism protrusion is concentrically arranged and fixedly connected to the other end surface of the mechanism circular plate, a hexagonal groove is provided on the end surface of the mechanism protrusion away from the mechanism circular plate, a magnet is embedded in the bottom of the hexagonal groove and fixedly connected, and the quick disassembly and assembly mechanism is clamped with the hexagonal protrusion through the hexagonal groove.

[0011] As a further solution of the utility model: the limiting sleeve is fixedly connected to the support plate, a limiting groove is provided on the outer wall along the length direction of the threaded sleeve, a limiting slider is fixedly connected to the inner wall of the limiting sleeve, and the limiting slider is slidably arranged in the limiting groove.

[0012] As a further solution of the utility model: a bearing is embedded through the support plate, the rotating shaft and the screw are coaxially fixedly connected to the inner ring of the bearing, and the outer ring of the bearing is fixedly connected to the support plate.

[0013] As a further solution of the utility model: one end of the rotating shaft is fixedly connected to the inner ring of the bearing, the other end of the rotating shaft is fixedly connected to a mounting block, and the mounting block is fixedly connected to a hexagonal protrusion.

[0014] As a further solution of the utility model: a fixing plate is fixedly connected to the lower end of the threaded sleeve, and the lower end of the fixing plate is fixedly connected to the monitoring instrument body.

[0015] As a further solution of the utility model: a threaded ring is sleeved through and fixedly connected to the side support plate, a fixing screw is sleeved inside the threaded ring and threadedly connected, the upper end of the fixing screw is fixedly connected to a limiting plate, the limiting plate is fixedly connected to the second hexagonal protrusion, and the second hexagonal protrusion is coaxially arranged with the fixing screw.

[0016] Beneficial effects of the utility model:

[0017] 1. In the initial state of the utility model, the quick disassembly and assembly mechanism is connected with the hexagonal protrusion one through the hexagonal groove, and a magnet is embedded and fixedly connected at the bottom of the hexagonal groove. The hexagonal protrusion one is made of metal. The magnet absorbs the hexagonal protrusion one to ensure the stability of the quick disassembly and assembly mechanism when connected with the hexagonal protrusion one, and prevents the quick disassembly and assembly mechanism from falling when the device is transported. When the device needs to be installed, a hole is drilled at a suitable position in the mine, and the monitor body is inserted into the hole so that the support plate contacts the ground, and the quick disassembly and assembly mechanism is connected with the hexagonal protrusion two. The fixing screw is fixed by turning the handle. Insert it into the ground, then clamp the quick disassembly mechanism with the hexagonal protrusion, and turn the handle to drive the screw to rotate. The screw is threadedly connected with a threaded sleeve, and the threaded sleeve cannot rotate under the restriction of the limit sleeve, so that the threaded sleeve can move along the length direction of the screw, thereby changing the position of the monitor body under the threaded sleeve in the hole, facilitating the adjustment of the depth of the monitor body in the hole, and ensuring the monitoring range and effect of the monitor body. By setting the quick disassembly mechanism, the device does not require additional tools during disassembly and assembly, and the disassembly and assembly are faster and more convenient for the staff to use;

[0018] 2. In the process of adjusting the depth of the monitoring instrument body in the hole, the limit sleeve can always be installed on the outside of the screw to prevent the screw from being contaminated with mud, ensuring that the screw and the threaded sleeve can be adjusted normally. The side support plates are evenly distributed in a ring around the support plate, and the side support plates are threadedly connected with fixed screws to ensure the stability of the device when installed on the ground, so that the screw will not shake during rotation, which is convenient for staff to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the utility model after removing the quick disassembly and assembly mechanism;

[0022] Figure 3 It is a partial structural cross-sectional view of the utility model after the quick disassembly mechanism is removed;

[0023] Figure 4 It is a schematic cross-sectional view of the forward structure of the utility model;

[0024] Figure 5 It is a cross-sectional view of the connection relationship between the screw, the threaded sleeve and the limiting sleeve in the utility model;

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the quick disassembly and assembly mechanism of the utility model.

[0026] In the figure: 1. support plate; 2. bearing; 3. rotating shaft; 4. mounting block; 5. hexagonal protrusion 1; 6. quick disassembly and assembly mechanism; 61. mechanism round plate; 62. mechanism protrusion; 63. hexagonal groove; 64. magnet; 65. handle; 7. side support plate; 8. threaded collar; 9. fixing screw; 10. limiting plate; 11. hexagonal protrusion 2; 12. screw; 13. threaded sleeve; 14. limiting sleeve; 15. limiting slide groove; 16. fixing plate; 17. monitoring instrument body; 18. limiting slider. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-Figure 6 As shown, a ground pressure monitor for mining comprises: a support plate 1, a side support plate 7 and a quick disassembly and assembly mechanism 6, a rotating shaft 3 is rotatably connected to one end surface of the support plate 1, a screw 12 is rotatably connected to the other end surface of the support plate 1, the rotating shaft 3 and the screw 12 are coaxially arranged, the rotating shaft 3 and the screw 12 are both perpendicular to the end surface of the support plate 1, a hexagonal protrusion 5 is coaxially arranged on the rotating shaft 3, a threaded sleeve 13 is sleeved on and threadedly connected to the screw 12, a monitoring instrument body 17 is arranged at the lower end of the threaded sleeve 13, a limiting sleeve 14 is sleeved on the threaded sleeve 13, the limiting sleeve 14 is fixedly connected to the support plate 1, a limiting slide groove 15 is arranged on the outer wall along the length direction of the threaded sleeve 13, a limiting slider 18 is fixedly connected to the inner wall of the limiting sleeve 14, and the limiting slider 18 is slidingly arranged Placed in the limiting slide groove 15, the side support plate 7 is evenly distributed in an annular manner on the side of the support plate 1, and a fixing screw 9 is threadedly connected to the side support plate 7. The fixing screw 9 is arranged parallel to the screw 12, and a hexagonal protrusion 11 is arranged on the screw 12. The hexagonal protrusion 11 is arranged on the same side as the hexagonal protrusion 15. The quick disassembly and assembly mechanism 6 includes a mechanism circular plate 61, and a handle 65 is fixedly connected to one end surface of the mechanism circular plate 61. The mechanism circular plate 61 and the handle 65 are eccentrically arranged, and a mechanism protrusion 62 is concentrically arranged and fixedly connected on the other end surface of the mechanism circular plate 61. A hexagonal groove 63 is opened on the end surface of the mechanism protrusion 62 away from the mechanism circular plate 61, and a magnet 64 is embedded and fixedly connected at the bottom of the hexagonal groove 63. The quick disassembly and assembly mechanism 6 is clamped with the hexagonal protrusion 15 through the hexagonal groove 63.

[0029] A bearing 2 is embedded through the support plate 1, and the rotating shaft 3 and the screw 12 are coaxially fixedly connected to the inner ring of the bearing 2, the outer ring of the bearing 2 is fixedly connected to the support plate 1, one end of the rotating shaft 3 is fixedly connected to the inner ring of the bearing 2, and the other end of the rotating shaft 3 is fixedly connected to a mounting block 4, and the mounting block 4 is fixedly connected to the hexagonal protrusion 5.

[0030] In some specific implementation schemes, a fixing plate 16 is fixedly connected to the lower end of the threaded sleeve 13 , and a lower end of the fixing plate 16 is fixedly connected to a monitoring instrument body 17 .

[0031] In some specific implementation schemes, the hexagonal protrusion 5 is made of metal.

[0032] A threaded collar 8 is sleeved through and fixedly connected to the side support plate 7, a fixing screw 9 is sleeved inside the threaded collar 8 and threadedly connected, a limiting plate 10 is fixedly connected to the upper end of the fixing screw 9, the limiting plate 10 is fixedly connected to the hexagonal protrusion 11, and the hexagonal protrusion 11 is coaxially arranged with the fixing screw 9.

[0033] In order to facilitate the understanding of the embodiments of this solution by those skilled in the art, the working principle of this solution is briefly described in combination with specific application scenarios:

[0034] In the initial state, the quick disassembly mechanism 6 is clamped with the hexagonal protrusion 15 through the hexagonal groove 63. A magnet 64 is embedded and fixedly connected to the bottom of the hexagonal groove 63. The hexagonal protrusion 15 is made of metal. The magnet 64 adsorbs the hexagonal protrusion 15 to ensure the stability of the quick disassembly mechanism 6 when connected to the hexagonal protrusion 15, and prevents the quick disassembly mechanism 6 from falling when the device is transported. When the device needs to be installed, a hole is drilled at a suitable position in the mine, and the monitor body 17 is inserted into the hole so that the support plate 1 contacts the ground. The quick disassembly mechanism 6 is clamped with the hexagonal protrusion 2 11, and the fixing screw 9 is inserted into the ground by turning the handle 65. , and then the quick disassembly mechanism 6 is clamped with the hexagonal protrusion 5 to rotate the handle 65 to drive the screw 12 to rotate. The screw 12 is threadedly connected with a threaded sleeve 13. The threaded sleeve 13 cannot rotate under the restriction of the limit sleeve 14, so that the threaded sleeve 13 can move along the length direction of the screw 12, thereby changing the position of the monitor body 17 below the threaded sleeve 13 in the hole, facilitating the adjustment of the depth of the monitor body 17 in the hole, and ensuring the monitoring range and effect of the monitor body 17. By setting the quick disassembly mechanism 6, the device does not require additional tools during disassembly and assembly, and is faster and more convenient for the staff to use;

[0035] During the process of adjusting the depth of the monitoring instrument body 17 in the hole, the limiting sleeve 14 can always be sleeved on the outside of the screw 12 to prevent the screw 12 from being contaminated with mud, ensuring that the screw 12 and the threaded sleeve 13 can be adjusted normally. The side support plates 7 are evenly distributed in a ring around the support plate 1, and the side support plates 7 are threadedly connected with fixed screws 9 to ensure the stability of the device when installed on the ground, so that the screw 12 will not shake during rotation, which is convenient for staff to operate.

[0036] Several embodiments of the utility model are described in detail above, but the embodiments of the utility model are not limited thereto and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A ground pressure monitor for mines, characterized in that: include: A support plate (1), a rotating shaft (3) is rotatably connected to one end surface of the support plate (1), a screw rod (12) is rotatably connected to the other end surface of the support plate (1), the rotating shaft (3) and the screw rod (12) are coaxially arranged, the rotating shaft (3) and the screw rod (12) are both perpendicular to the end surface of the support plate (1), a hexagonal protrusion (5) is coaxially arranged on the rotating shaft (3), a threaded sleeve (13) is sleeved on the screw rod (12) and threadedly connected, a monitoring instrument body (17) is arranged at the lower end of the threaded sleeve (13), and a limiting sleeve (14) is sleeved on the threaded sleeve (13); The side support plates (7) are evenly distributed in an annular manner around the support plate (1), the side support plates (7) are threadedly connected with a fixing screw (9), the fixing screw (9) is arranged in parallel with the screw (12), the screw (12) is provided with a second hexagonal protrusion (11), and the second hexagonal protrusion (11) is arranged on the same side as the first hexagonal protrusion (5); The quick disassembly and assembly mechanism (6) comprises a mechanism circular plate (61), one end surface of the mechanism circular plate (61) is fixedly connected with a handle (65), the mechanism circular plate (61) and the handle (65) are eccentrically arranged, the other end surface of the mechanism circular plate (61) is concentrically arranged with a mechanism protrusion (62) and fixedly connected, a hexagonal groove (63) is provided on the end surface of the mechanism protrusion (62) away from the mechanism circular plate (61), a magnet (64) is embedded in the bottom of the hexagonal groove (63) and fixedly connected, and the quick disassembly and assembly mechanism (6) is clamped with the hexagonal protrusion (5) through the hexagonal groove (63).

2. A mine ground pressure monitor according to claim 1, characterized in that: The limiting sleeve (14) is fixedly connected to the support plate (1), a limiting sliding groove (15) is provided on the outer wall along the length direction of the threaded sleeve (13), a limiting sliding block (18) is fixedly connected to the inner wall of the limiting sleeve (14), and the limiting sliding block (18) is slidably arranged in the limiting sliding groove (15).

3. A mine ground pressure monitor according to claim 2, characterized in that: A bearing (2) is embedded through the support plate (1), the rotating shaft (3) and the screw rod (12) are coaxially fixedly connected to the inner ring of the bearing (2), and the outer ring of the bearing (2) is fixedly connected to the support plate (1).

4. The ground pressure monitor for mines according to claim 1, characterized in that: One end of the rotating shaft (3) is fixedly connected to the inner ring of the bearing (2), and the other end of the rotating shaft (3) is fixedly connected to a mounting block (4), and the mounting block (4) is fixedly connected to a hexagonal protrusion (5).

5. The ground pressure monitor for mines according to claim 1, characterized in that: The lower end of the threaded sleeve (13) is fixedly connected to a fixing plate (16), and the lower end of the fixing plate (16) is fixedly connected to a monitoring instrument body (17).

6. The ground pressure monitor for mines according to claim 1, characterized in that: A threaded collar (8) is sleeved through and fixedly connected to the side support plate (7), a fixing screw (9) is sleeved inside and threadedly connected to the threaded collar (8), a limiting plate (10) is fixedly connected to the upper end of the fixing screw (9), the limiting plate (10) is fixedly connected to the second hexagonal protrusion (11), and the second hexagonal protrusion (11) and the fixing screw (9) are coaxially arranged.

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