Roof separation monitor

Abstract

The utility model relates to the technical field of roof separation monitoring, and particularly discloses a roof separation monitor which comprises a monitoring pipe and a top pipe. A connecting pipe is connected between the two monitoring pipes, the top of the connecting pipe is connected with a top pipe, the top pipe is sleeved with a mounting plate, and the top pipe is connected with a mounting ring used for limiting the mounting plate; the connecting pipe comprises two groups of connecting pipe joints which are connected to the end part of the monitoring pipe, a first positioning half pipe is connected between the two groups of connecting pipe joints, the top of the first positioning half pipe is connected with the top pipe, and the bottom of the first positioning half pipe is connected with a second positioning half pipe through a bolt piece; according to the utility model, the mounting plate facilitates the fixation of the monitor, can play a role in protection and reduce coal cinder falling to the monitoring pipe, and the reading seat is stable in movement, convenient to observe and beneficial to the monitoring of a top separation layer.

Description

Technical Field

[0001] The utility model relates to the technical field of roof separation monitoring, in particular to a roof separation monitoring instrument. Background Art

[0002] The roof separation monitor is a safety monitoring device used in underground workplaces such as coal mines, tunnels, and underground projects. It is mainly used to monitor the stability of rock or coal seam roofs in real time, and promptly detect roof separation, crack development, and loosening, thereby preventing safety accidents such as rock bursts and landslides.

[0003] The roof separation instrument disclosed in the existing patent announcement number CN217176709U includes a measuring rope, an anchor cable, a roof fixing member, a side wall fixing member and a steering member, wherein the roof fixing member is used to be fixed on the lower surface of the tunnel roof, the side wall fixing member is used to be fixed on the tunnel side wall and has a reading device, the steering member is used to be fixed at the corner of the tunnel roof and the tunnel side wall, the measuring rope passes through the roof fixing member and includes a first end and a second end opposite to each other, the anchor cable is connected to the first end and is used to fix the measuring rope in the roof rock layer, and the second end bypasses the steering member and is connected to the reading device, and the reading device is movably arranged in the side wall fixing member to indicate when The sinking data of the front tunnel roof relative to the roof rock layer; the first end of the measuring rope is fixed to the roof rock layer by means of an anchor cable, and the second end is connected to the reading device of the side panel fixing member after passing through the roof fixing member fixed to the tunnel roof. In this way, when the tunnel roof below the anchor cable sinks, the roof fixing member is driven to move downward. Since the positions of the anchor cable and the side panel fixing member are fixed, the length of the measuring rope remains unchanged. When the roof fixing member moves downward, the position of the second end of the measuring rope relative to the tunnel roof before sinking can be changed, thereby driving the reading device connected to the second end to move relative to the side panel fixing member, and then the data of the roof sinking can be obtained.

[0004] The above-mentioned roof separation instrument can detect roof separation, but the reading device is installed on the measuring tube during the detection, and coal slag may fall or affect the movement of the reading device, and the installation portability of the roof separation instrument still needs to be improved. In view of the above problems, a roof separation monitoring instrument is proposed. Utility Model Content

[0005] The utility model aims to provide a roof separation monitoring instrument to solve the problems raised in the above background technology.

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

[0007] A roof separation monitor comprises a monitoring pipe and a jacking pipe;

[0008] A connecting pipe is connected between the two groups of monitoring pipes, the top of the connecting pipe is connected to a top pipe, a mounting plate is sleeved on the top pipe, and a mounting ring for limiting the mounting plate is connected to the top pipe;

[0009] The connecting pipe comprises two groups of connecting pipe joints, the connecting pipe joints are connected to the end of the monitoring pipe, a first positioning half pipe is connected between the two groups of connecting pipe joints, the top of the first positioning half pipe is connected to the top pipe, and the bottom of the first positioning half pipe is connected to the second positioning half pipe through a bolt member;

[0010] The monitoring tube is slidably connected with a reading seat, and a spring installed in the monitoring tube is provided on the side of the reading seat close to the connecting tube. The reading seat is connected with a steel cable, and the steel cable passes through the monitoring tube and the top pipe connection anchor.

[0011] In an optional scheme: the reading seat includes a movable circular plate and an arc-shaped reading ring, the outer wall of the reading seat slides with the inner wall of the monitoring tube, the movable circular plate is provided with a through hole for the steel cable to pass through, the movable circular plate is connected to the arc-shaped reading ring through a connecting block, the arc-shaped reading ring slides with the outer wall of the monitoring tube close to the connecting block, the outer wall of the monitoring tube is provided with scale lines, and the monitoring tube is provided with a strip hole for the sliding of the connecting block.

[0012] In an optional solution: the movable circular plate is fixedly connected to a fixing sleeve at a side away from the spring, the fixing sleeve is provided with a through hole communicating with the through hole, and one side of the fixing sleeve is provided with a notch communicating with the through hole.

[0013] In an optional solution: the inner cavity of the first positioning half pipe is equipped with a guide wheel for guiding the steel cable.

[0014] In an optional solution: the bolt member includes a connecting plate and a connecting bolt, the connecting plates are connected on both sides of the first positioning half tube and both sides of the second positioning half tube, the corresponding two groups of connecting plates are connected by connecting bolts, the first positioning half tube is fixedly connected to the connecting pipe joint, and the end of the second positioning half tube is slidably connected to the connecting pipe joint.

[0015] In an optional solution: the mounting ring is fixedly connected to the top pipe, the mounting ring is provided with a positioning hole, and the mounting plate is provided with a positioning screw hole corresponding to the positioning hole.

[0016] In an optional solution: a plurality of mounting holes are provided on the mounting plate, and the width of the mounting plate is greater than the outer diameter of the monitoring tube.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The mounting plate in the utility model is convenient for fixing the monitor and can also play a protective role, reducing the coal slag from falling to the monitoring tube. The reading seat moves stably, which is convenient for observation and is conducive to monitoring the top separation layer.

[0019] The setting of the middle wheel of the utility model can reduce the friction of the steel cable during movement, and the connecting plate can be connected by connecting bolts to realize the connection and fixation of the first positioning half pipe and the second positioning half pipe. The second positioning half pipe can be split to facilitate the installation of the guide wheel in the first positioning half pipe and the adjustment of the steel cable.

[0020] When the steel cable in the utility model moves, the movable circular plate can be pulled and moved, the anchor piece moves downward, the steel cable moves downward, the spring pushes the movable circular plate, and the arc-shaped reading ring can perform reading. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a schematic diagram of the split structure of the utility model.

[0023] Figure 3 It is a schematic diagram of the structure inside the first positioning half tube in the utility model.

[0024] Figure 4 It is a structural schematic diagram of the reading seat in the utility model.

[0025] In the figure: 11, monitoring tube; 12, spring; 13, reading seat; 14, connecting tube; 15, mounting plate; 16, jacking tube; 17, mounting ring; 18, steel cable; 19, anchor; 20, first positioning half tube; 21, second positioning half tube; 22, connecting pipe joint; 23, guide wheel; 24, movable circular plate; 25, connecting block; 26, arc-shaped reading ring; 27, fixing sleeve; 28, notch. DETAILED DESCRIPTION

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[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 in 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] See also Figure 1-Figure 4 , In this embodiment, a roof separation monitor includes a monitoring pipe 11 and a top pipe 16;

[0029] A connecting pipe 14 is connected between the two groups of monitoring pipes 11, and a top pipe 16 is connected to the top of the connecting pipe 14. A mounting plate 15 is sleeved on the top pipe 16, and a mounting ring 17 for limiting the mounting plate 15 is connected to the top pipe 16;

[0030] The connecting pipe 14 includes two groups of connecting pipe joints 22, which are connected to the ends of the monitoring pipe 11, and the first positioning half pipe 20 is connected between the two groups of connecting pipe joints 22. The top of the first positioning half pipe 20 is connected to the top pipe 16, and the bottom of the first positioning half pipe 20 is connected to the second positioning half pipe 21 through bolts.

[0031] The monitoring tube 11 is slidably connected with a reading seat 13, and a spring 12 installed in the monitoring tube 11 is provided on the side of the reading seat 13 close to the connecting tube 14. A steel cable 18 is connected to the reading seat 13, and the steel cable 18 passes through the monitoring tube 11 and the top tube 16 to connect with an anchor 19;

[0032] In this embodiment, the mounting plate 15 can be fixed on the surface of the coal seam, and the top pipe 16 is placed in the coal seam. According to the construction, the anchor 19 is fixed inside different coal seams. When the steel cable 18 moves, the reading seat 13 can be pulled, the anchor 19 moves downward, the steel cable 18 moves downward, and the spring 12 pushes the reading seat 13 to perform reading.

[0033] In another embodiment, the reading seat 13 includes a movable circular plate 24 and an arc-shaped reading ring 26. The outer wall of the reading seat 13 is slidably matched with the inner wall of the monitoring tube 11. The movable circular plate 24 is provided with a through hole for the steel cable 18 to pass through. The movable circular plate 24 is connected to the arc-shaped reading ring 26 through a connecting block 25. The arc-shaped reading ring 26 is slidably matched with the outer wall of the monitoring tube 11 close to the connecting block 25. The outer wall of the monitoring tube 11 is provided with scale lines, and the monitoring tube 11 is provided with a strip hole for the sliding of the connecting block 25. When the steel cable 18 moves, it can pull the movable circular plate 24 and move, the anchor 19 moves downward, the steel cable 18 moves downward, the spring 12 pushes the movable circular plate 24, and the arc-shaped reading ring 26 can be read.

[0034] In another embodiment, the movable circular plate 24 is fixedly connected to a fixing sleeve 27 on a side away from the spring 12, and a through hole connected to the through hole is provided on the fixing sleeve 27, and a notch 28 connected to the through hole is provided on one side of the fixing sleeve 27; the end of the steel cable 18 can pass through the through hole and the through hole, be wrapped around the fixing sleeve 27 from the notch 28, and then be tied and fixed, and the length of the steel cable 18 can be adjusted according to the length of use later.

[0035] In another embodiment, a guide wheel 23 for guiding the steel cable 18 is installed in the inner cavity of the first positioning half pipe 20; the setting of the guide wheel 23 can reduce the friction of the steel cable 18 during movement.

[0036] In another embodiment, the bolt assembly includes a connecting plate and a connecting bolt. The connecting plates are connected on both sides of the first positioning half tube 20 and both sides of the second positioning half tube 21. The corresponding two groups of connecting plates are connected by connecting bolts. The first positioning half tube 20 is fixedly connected to the connecting pipe joint 22, and the end of the second positioning half tube 21 is slidingly connected to the connecting pipe joint 22. The connecting bolts can be used to connect the connecting plates to achieve the connection and fixation of the first positioning half tube 20 and the second positioning half tube 21. The second positioning half tube 21 can be disassembled to facilitate the installation of the guide wheel 23 in the first positioning half tube 20 and the adjustment of the steel cable 18.

[0037] In another embodiment, the mounting ring 17 is fixedly connected to the top pipe 16, a positioning hole is provided on the mounting ring 17, and a positioning screw hole corresponding to the positioning hole is provided on the mounting plate 15; the mounting ring 17 can be fixedly connected to the mounting plate 15 using bolts corresponding to the positioning screw hole.

[0038] In another embodiment, the mounting plate 15 is provided with a plurality of mounting holes, and the width of the mounting plate 15 is greater than the outer diameter of the monitoring tube 11; the mounting plate 15 can be fixed to the coal seam using bolts corresponding to the mounting holes. The mounting plate 15 facilitates the fixation of the monitor and can also play a protective role to reduce the falling of coal slag onto the monitoring tube 11.

[0039] The working principle of the utility model is: the mounting ring 17 can be connected and fixed to the mounting plate 15 by using bolts corresponding to the positioning screw holes, and the mounting plate 15 can be fixed on the surface of the coal seam by using bolts corresponding to the mounting holes. The mounting plate 15 is convenient for fixing the monitor and can also play a protective role to reduce the falling of coal slag to the monitoring pipe 11. The top pipe 16 is placed in the coal seam. According to the construction, the anchor 19 is fixed inside different coal seams. When the steel cable 18 moves, the movable circular plate 24 can be pulled and moved, the anchor 19 moves down, the steel cable 18 moves down, the spring 12 pushes the movable circular plate 24, and the arc-shaped reading ring 26 can be read. The end of the steel cable 18 can pass through the through hole and the perforation, and is wrapped around the fixing sleeve 27 from the notch 28, and then is wrapped and knotted to fix. The release length of the steel cable 18 can be adjusted later according to the use length.

[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A roof separation monitor, comprising a monitoring pipe (11) and a top pipe (16); Features: A connecting pipe (14) is connected between the two groups of monitoring pipes (11); the top of the connecting pipe (14) is connected to a top pipe (16); a mounting plate (15) is sleeved on the top of the top pipe (16); and a mounting ring (17) for limiting the position of the mounting plate (15) is connected to the top pipe (16); The connecting pipe (14) comprises two groups of connecting pipe joints (22), the connecting pipe joints (22) are connected to the ends of the monitoring pipe (11), a first positioning half pipe (20) is connected between the two groups of connecting pipe joints (22), the top of the first positioning half pipe (20) is connected to the top pipe (16), and the bottom of the first positioning half pipe (20) is connected to the second positioning half pipe (21) via bolts; A reading seat (13) is slidably connected inside the monitoring tube (11), and a spring (12) installed inside the monitoring tube (11) is provided on the side of the reading seat (13) close to the connecting tube (14). A steel cable (18) is connected to the reading seat (13), and the steel cable (18) passes through the monitoring tube (11) and the top tube (16) to connect to the anchor (19).

2. A roof separation monitor according to claim 1, characterized in that: The reading seat (13) comprises a movable circular plate (24) and an arc-shaped reading ring (26); the outer wall of the reading seat (13) is slidably matched with the inner wall of the monitoring tube (11); the movable circular plate (24) is provided with a through hole for the steel cable (18) to pass through; the movable circular plate (24) is connected to the arc-shaped reading ring (26) via a connecting block (25); the arc-shaped reading ring (26) is slidably matched with the outer wall of the monitoring tube (11) on a side close to the connecting block (25); the outer wall of the monitoring tube (11) is provided with scale lines; and the monitoring tube (11) is provided with a strip hole for the sliding of the connecting block (25).

3. A roof separation monitor according to claim 2, characterized in that: The side of the movable circular plate (24) away from the spring (12) is fixedly connected to a fixed sleeve (27), the fixed sleeve (27) is provided with a through hole communicating with the through hole, and one side of the fixed sleeve (27) is provided with a notch (28) communicating with the through hole.

4. A roof separation monitor according to claim 1, characterized in that: A guide wheel (23) for guiding the steel cable (18) is installed in the inner cavity of the first positioning half pipe (20).

5. A roof separation monitor according to claim 1, characterized in that: The bolt member comprises a connecting plate and connecting bolts, both sides of the first positioning half tube (20) and both sides of the second positioning half tube (21) are connected to the connecting plates, and the corresponding two groups of connecting plates are connected by connecting bolts, the first positioning half tube (20) is fixedly connected to the connecting pipe joint (22), and the end of the second positioning half tube (21) is slidably connected to the connecting pipe joint (22).

6. A roof separation monitor according to claim 1, characterized in that: The mounting ring (17) is fixedly connected to the top pipe (16); a positioning hole is provided on the mounting ring (17); and a positioning screw hole corresponding to the positioning hole is provided on the mounting plate (15).

7. A roof separation monitor according to claim 1, characterized in that: The mounting plate (15) is provided with a plurality of mounting holes, and the width of the mounting plate (15) is greater than the outer diameter of the monitoring tube (11).

Images