Mine directional positioning stress meter installation device

CN117848548BActive Publication Date: 2026-09-11YANKUANG ENERGY GRP CO LTD +2
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Patent Information

Application Number
CN202311149550.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-07
Publication Date
2026-09-11
Estimated Expiration
2043-09-07

AI Technical Summary

Technical Problem

[0002]煤体内的应力监测传感器的监测灵敏度受安装角度的影响较大,当应力监测传感器安装角度不正确时,应力监测传感器的灵敏度会出现较大折损,降低监测精度

Benefits of technology

本发明一种矿用定向定位式应力计安装装置,由于包括第一连接管、安装杆、角度传感器组件,角度传感器本体用于将密封壳体的偏转角度、偏斜方向传输至上位机,因此能够在安装应力计的过程中实时获得应力计的偏转角度及偏斜方向,以根据需要调整本发明矿用定向定位式应力计安装装置的偏转角度,使应力计能够准确安装,特别是当孔深大于15m,普通应力计安装装置无法准确安装应力计时,采用本发明矿用定向定位式应力计安装装置能够保证应力计安装准确,提升应力计的检测准确度。

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Abstract

The present application relates to a kind of mining equipment, in particular to a kind of mining new directional positioning type stress meter installation device, including first connecting pipe, installation rod, angle sensor component, the angle sensor component includes angle sensor body, sealing shell, the angle sensor body is set in the sealing shell, the angle sensor body with the deflection angle of the sealing shell is consistent, the angle sensor body is connected to host computer, the first end of the first connecting pipe, the first end of the installation rod is all connected to the sealing shell, the first connecting pipe, the installation rod is located at the both ends of the sealing shell respectively, the second end of the installation rod is used to connect the stress meter to be installed.The present application mining new directional positioning type stress meter installation device can adjust deflection angle according to need in long distance drilling, so that stress meter can be accurately installed, and the monitoring result of stress meter is more accurate.
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Description

Technical Field

[0001] This invention relates to a mining equipment, and more particularly to a mining directional positioning stress gauge installation device. Background Technology

[0002] The sensitivity of stress monitoring sensors within coal seams is significantly affected by the installation angle. Incorrect installation angles result in a substantial decrease in sensitivity and reduced monitoring accuracy. Traditional borehole stress monitoring mounting rods are simple structures, consisting of hollow stainless steel tubes. In practical applications, they only allow the stress monitoring sensor to be inserted into the borehole, failing to guarantee the appropriate installation tilt angle, thus leading to poor accuracy in the sensor's detection results. Summary of the Invention

[0003] This invention provides a mine-use directional positioning stress gauge installation device that allows for adjustment of the deflection angle as needed during long-distance drilling, enabling accurate installation of the stress gauge and more accurate monitoring results.

[0004] To achieve the above objectives, the present invention provides a mine-use directional positioning stress gauge installation device, comprising a first connecting pipe, a mounting rod, and an angle sensor assembly. The angle sensor assembly includes an angle sensor body and a sealed housing. The angle sensor body is disposed within the sealed housing, and the deflection angle of the angle sensor body is consistent with that of the sealed housing. The angle sensor body is connected to a host computer and is used to transmit the deflection angle and deflection direction of the sealed housing to the host computer. One end of the first connecting pipe is a first end, and the other end is a second end. One end of the mounting rod is a first end, and the other end is a second end. The first end of the first connecting pipe and the first end of the mounting rod are both connected to the sealed housing. The first connecting pipe and the mounting rod are located at opposite ends of the sealed housing. The second end of the mounting rod is used to connect the stress gauge to be installed.

[0005] The present invention discloses a mine-use directional positioning stress gauge installation device, wherein the sealed housing includes a first end cap, a second end cap, and a housing body. The first end cap and the second end cap are respectively connected to both ends of the housing body. The first connecting pipe is connected to the first end cap, the mounting rod is connected to the second end cap, and the angle sensor body is connected to a communication cable, which is disposed inside the first connecting pipe.

[0006] This invention discloses a mine-use directional positioning stress gauge installation device, wherein the angle sensor assembly further includes a rotating shaft connected to the angle sensor body. The rotating shaft is adapted to rotate circumferentially within a 360° range relative to the angle sensor body. A mounting plate and an eccentric wheel are also provided inside the sealed housing. The mounting plate has mounting holes, and the eccentric wheel is suspended and kept vertical. The angle sensor body is connected to the mounting plate, and the rotating shaft passes through the mounting holes on the mounting plate and connects to the eccentric wheel. The rotating shaft and the eccentric wheel move synchronously.

[0007] The present invention discloses a mine-use directional positioning stress gauge installation device, wherein a first end cap and a second end cap are respectively provided with a first axial through hole and a second axial through hole, a first connecting pipe is disposed in the first axial through hole, and a mounting rod is disposed in the second axial through hole, wherein the first connecting pipe and the first axial through hole, and the mounting rod and the second axial through hole are mutually sealed.

[0008] The present invention discloses a mine-use directional positioning stress gauge installation device, wherein the first end cover and the housing body, and the second end cover and the housing body are all connected by threads, and the first end cover and the first connecting pipe, and the second end cover and the mounting rod are all connected by set screws arranged radially.

[0009] This invention discloses a mine-use directional positioning stress gauge installation device, which further includes at least one set of adjusting shaft assemblies. The adjusting shaft assembly includes an adjusting shaft body, at least two movable adjusting shaft groups, a locking nut, and a mounting bracket. The adjusting shaft body is a tubular body. The movable adjusting shaft groups include a first support rod and a second support rod. The mounting bracket is adapted to move axially relative to the adjusting shaft body. One end of the first support rod is hinged to the mounting bracket, and one end of each of the second support rods is hinged to the adjusting shaft body. The other ends of the first and second support rods are hinged to each other. The first and second support rods are along the length direction of the adjusting shaft body, and the movable adjusting shaft groups are arranged circumferentially along the adjusting shaft body. The adjusting shaft body is sleeved on the first connecting pipe or the mounting rod.

[0010] The present invention provides a mine-use directional positioning stress gauge installation device, wherein the other end of the first support rod is hinged to the other end of the second support rod via a ball bearing.

[0011] The present invention provides a mine-use directional positioning stress gauge installation device, which further includes a second connecting pipe and a plug. One end of the second connecting pipe is connected to the second end of the first connecting pipe, and one end of the plug is sealed at the other end of the second connecting pipe. The other end of the plug is used to connect to other connecting pipes. The present invention provides a mine-use directional positioning stress gauge installation device, wherein the plug is provided with an annular positioning boss in the middle, the other end of the second connecting pipe abuts against the annular positioning boss, and the other end of the plug is provided with an external thread.

[0012] The present invention provides a mine-use directional positioning stress gauge installation device, wherein the second connecting pipe is a square pipe.

[0013] Compared with the prior art, the mine-use directional positioning stress gauge installation device of the present invention has at least the following beneficial effects: This invention discloses a mine-use directional positioning stress gauge installation device. Because it includes a first connecting pipe, an installation rod, and an angle sensor assembly, with the angle sensor body transmitting the deflection angle and skew direction of the sealed housing to a host computer, it can obtain the deflection angle and skew direction of the stress gauge in real time during installation. This allows for adjustment of the deflection angle of the mine-use directional positioning stress gauge installation device as needed, ensuring accurate installation of the stress gauge. Particularly useful when the hole depth is greater than 15m, where ordinary stress gauge installation devices cannot accurately install the stress gauge, this mine-use directional positioning stress gauge installation device ensures accurate installation and improves the detection accuracy of the stress gauge.

[0014] The following description, in conjunction with the accompanying drawings, further illustrates the mine-use directional positioning stress gauge installation device of the present invention. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the mine-use directional positioning stress gauge installation device of the present invention; Figure 2 This is a front view of the mine-use directional positioning stress gauge installation device of the present invention; Figure 3 for Figure 2 AA view; Figure 4 for Figure 3 A magnified view of a section at point A in the middle; Figure 5 for Figure 3 A magnified view of a section at point B in the middle. Detailed Implementation

[0016] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the mine-use directional positioning stress gauge installation device of the present invention includes a first connecting pipe 01, a mounting rod 02, and an angle sensor assembly 03. The angle sensor assembly 03 includes an angle sensor body 31 and a sealing housing 32. The angle sensor body 31 is disposed inside the sealing housing 32, and the deflection angle of the angle sensor body 31 and the sealing housing 32 are the same. The angle sensor body 31 is connected to a host computer and is used to transmit the deflection angle and deflection direction of the sealing housing 32 to the host computer. One end of the first connecting pipe 01 is the first end and the other end is the second end. One end of the mounting rod 02 is the first end and the other end is the second end. The first end of the first connecting pipe 01 and the first end of the mounting rod 02 are both connected to the sealing housing 32. The first connecting pipe 01 and the mounting rod 02 are respectively located at both ends of the sealing housing 32. The second end of the mounting rod 02 is used to connect the stress gauge to be installed. In practical use, the mine-use directional positioning stress gauge installation device of the present invention first connects the stress gauge to the end of the installation rod 02, adjusts the stress gauge to a suitable installation angle, and records the output value of the angle sensor body 31 at the suitable installation angle. Then, the mine-use directional positioning stress gauge installation device of the present invention is inserted into the borehole for installation. This mine-use directional positioning stress gauge installation device of the present invention includes a first connecting pipe 01, an installation rod 02, and an angle sensor assembly 03. The angle sensor body 31 is used to transmit the deflection angle and skew direction of the sealed housing 32 to the host computer. Therefore, it can obtain the deflection angle and skew direction of the stress gauge in real time during the installation process, so as to adjust the deflection angle of the mine-use directional positioning stress gauge installation device of the present invention as needed, enabling accurate installation of the stress gauge. Especially when the hole depth is greater than 15m, ordinary stress gauge installation devices cannot accurately install the stress gauge. Using the mine-use directional positioning stress gauge installation device of the present invention can ensure accurate installation of the stress gauge and improve the detection accuracy of the stress gauge.

[0017] Optionally, the sealing housing 32 includes a first end cap 321, a second end cap 322, and a housing body 323. The first end cap 321 and the second end cap 322 are respectively connected to both ends of the housing body 323. A first connecting pipe 01 is connected to the first end cap 321, and a mounting rod 02 is connected to the second end cap 322. The angle sensor body 31 is connected to a communication cable 311, which is located inside the first connecting pipe 01. The angle sensor body 31 is connected to a host computer via the communication cable 311. The sealing housing 32, including the first end cap 321, the second end cap 322, and the housing body 323, facilitates the processing and transportation of the sealing housing 32.

[0018] Optionally, the angle sensor assembly 03 also includes a rotating shaft 33 connected to the angle sensor body 31. The rotating shaft 33 is adapted to rotate circumferentially within a 360° range relative to the angle sensor body 31. The angle sensor body 31 is a potentiometer. The communication cable 311 of the potentiometer is led out through the first end cover 321 and connected to a multimeter. The multimeter's resistance range can monitor the change in the potentiometer's resistance value in real time. A mounting plate 324 and an eccentric wheel 04 are also provided inside the sealed housing 32. The mounting plate 324 is provided with mounting holes, and the eccentric wheel 04 is suspended. The eccentric wheel 04 always remains vertical due to its own weight. The angle sensor body 31 is connected to the mounting plate 324, and the rotating shaft 33 passes through the mounting holes on the mounting plate 324 and is connected to the eccentric wheel 04. The rotating shaft 33 and the eccentric wheel 04 move synchronously. Specifically, the angle sensor body 31 and the mounting plate 324 are locked together by screws, and the end of the rotating shaft 33 is locked together with the eccentric wheel 04 by screws.

[0019] Optionally, the first end cap 321 and the second end cap 322 are respectively provided with a first axial through hole and a second axial through hole, the first connecting pipe 01 is disposed in the first axial through hole, and the mounting rod 02 is disposed in the second axial through hole. The first connecting pipe 01 and the first axial through hole, and the mounting rod 02 and the second axial through hole are mutually sealed.

[0020] Optionally, the first end cap 321 and the housing body 323, and the second end cap 322 and the housing body 323 are both connected by threads. The first end cap 321 and the first connecting pipe 01, and the second end cap 322 and the mounting rod 02 are both connected by radially arranged set screws. Specifically, the first end cap 321 is provided with a first connecting end, and the second end cap 322 is provided with a second connecting end. The outer walls of both the first and second connecting ends are provided with external threads. The inner walls of both ends of the housing body 323 are provided with internal threads. The housing body 323 is fitted over the first and second connecting ends, and the housing body 323 is threaded to the first and second connecting ends. The threaded connection between the first end cap 321 and the housing body 323, and between the second end cap 322 and the housing body 323, simplifies the installation process and facilitates sealing.

[0021] Optionally, it also includes one or more adjusting shaft assemblies 05. The adjusting shaft assembly 05 includes an adjusting shaft body 51, two or more movable adjusting shaft groups 52, a locking nut 53, and a mounting bracket 54. The adjusting shaft body 51 is a tubular body. The movable adjusting shaft group 52 includes a first support rod 521 and a second support rod 522. The mounting bracket 54 is adapted to move axially relative to the adjusting shaft body 51. One end of the first support rod 521 is hinged to the mounting bracket 54, and one end of each of the second support rods 522 is hinged to the adjusting shaft. On the main body 51, the other end of the first support rod 521 is hinged to the other end of the second support rod 522. The first support rod 521 and the second support rod 522 are arranged along the length of the adjusting shaft main body 51. A locking nut 53 is fitted on the adjusting shaft main body 51 to lock the position of the mounting bracket. Each movable adjusting shaft assembly 52 is arranged circumferentially along the adjusting shaft main body 51. The adjusting shaft main body 51 is fitted on the first connecting pipe 01 or the mounting rod 02. Different adjusting shaft assemblies 05 are located at different positions in the axial direction. When the drilling size changes, the first support rod 521 and the second support rod 522 are rotated to adjust the height of the hinge point between the first support rod 521 and the second support rod 522 to adapt to different drilling sizes. After adjustment, the mounting bracket position is locked by the locking nut 53, thereby locking the positions of the first support rod 521 and the second support rod 522. When installing a stress gauge using the mine-use directional positioning stress gauge installation device of the present invention, the hinge point between the first support rod 521 and the second support rod 522 is made to contact the inner wall of the borehole, ensuring that the initial installation position of the stress gauge is at the center of the borehole, making the installation position of the stress gauge more accurate. The position of the hinge point between the first support rod 521 and the second support rod 522 is adjustable, allowing the present invention to adapt to boreholes of different sizes.

[0022] Optionally, the other end of the first support rod 521 is hinged to the other end of the second support rod 522 via a ball bearing 523. When the stress gauge is installed using the mine-use directional positioning stress gauge installation device of the present invention, the ball bearing 523 contacts the borehole wall and moves relative to the borehole wall, making the installation of the stress gauge more convenient and faster.

[0023] Optionally, such as Figure 3 , Figure 5 As shown, the mine-use directional positioning stress gauge installation device of the present invention further includes a second connecting pipe 06 and a plug 07. One end of the second connecting pipe 06 is connected to the second end of the first connecting pipe 01, and one end of the plug 07 is sealed to the other end of the second connecting pipe 06. The other end of the plug 07 is used to connect other connecting pipes to adapt to drilling at different depths. Specifically, the second connecting pipe 06 and the first connecting pipe 01 are fixed together by an internal hexagon set screw.

[0024] Optionally, the mounting rod 02 is also connected to a third connecting tube 09 to further accommodate drilling at different depths.

[0025] Optionally, the plug 07 has an annular positioning boss 71 in the middle, and the other end of the second connecting pipe 06 abuts against one side of the annular positioning boss 71. The other end of the plug 07 has an external thread, and other connecting pipes are threaded to the plug 07, with the ends of the other connecting pipes abutting against the other side of the annular positioning boss 71. By providing the annular positioning boss 71, the installation of other connecting pipes becomes more convenient.

[0026] Optionally, the second connecting tube 06 is a square metal tube. The geometric structure of the square tube can maintain the installation angle of the stress gauge over a certain distance. The mounting rod 02 is connected to an extension tube, and the stress gauge to be installed is connected to the end of the extension tube.

[0027] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A mine-use directional positioning stress gauge installation device, characterized in that: The system includes a first connecting pipe (01), a mounting rod (02), and an angle sensor assembly (03). The angle sensor assembly (03) includes an angle sensor body (31) and a sealing housing (32). The angle sensor body (31) is disposed inside the sealing housing (32), and the angle sensor body (31) and the sealing housing (32) have the same deflection angle. The angle sensor body (31) is connected to a host computer and is used to transmit the deflection angle and deflection direction of the sealing housing (32) to the host computer. One end of the first connecting pipe (01) is the first end, and the other end is the second end. One end of the mounting rod (02) is the first end, and the other end is the second end. The first end of the first connecting pipe (01) and the first end of the mounting rod (02) are both connected to the sealing housing (32). (02) are located at both ends of the sealing housing (32). The second end of the mounting rod (02) is used to connect the stress gauge to be installed. The angle sensor assembly (03) also includes a rotating shaft (33). The rotating shaft (33) is connected to the angle sensor body (31). The rotating shaft (33) is adapted to rotate circumferentially relative to the angle sensor body (31) within a range of 360°. The sealing housing (32) is also provided with a mounting plate (324) and an eccentric wheel (04). The mounting plate (324) is provided with a mounting hole. The eccentric wheel (04) is suspended and kept vertical. The angle sensor body (31) is connected to the mounting plate (324). The rotating shaft (33) passes through the mounting hole on the mounting plate (324) and is connected to the eccentric wheel (04). The rotating shaft (33) moves synchronously with the eccentric wheel (04).

2. The mine-use directional positioning stress gauge installation device according to claim 1, characterized in that: The sealed housing (32) includes a first end cap (321), a second end cap (322), and a housing body (323). The first end cap (321) and the second end cap (322) are respectively connected to both ends of the housing body (323). The first connecting tube (01) is connected to the first end cap (321). The mounting rod (02) is connected to the second end cap (322). The angle sensor body (31) is connected to a communication cable (311), which is located inside the first connecting tube (01).

3. The mine-use directional positioning stress gauge installation device according to claim 2, characterized in that: The first end cap (321) and the second end cap (322) are respectively provided with a first axial through hole and a second axial through hole. The first connecting pipe (01) is disposed in the first axial through hole, and the mounting rod (02) is disposed in the second axial through hole. The first connecting pipe (01) and the first axial through hole, and the mounting rod (02) and the second axial through hole are mutually sealed.

4. The mine-use directional positioning stress gauge installation device according to claim 3, characterized in that: The first end cap (321) and the housing body (323) are connected by threads, and the second end cap (322) and the housing body (323) are connected by set screws arranged in the radial direction.

5. The mine-use directional positioning stress gauge installation device according to claim 4, characterized in that: It also includes at least one set of adjusting shaft assemblies (05), the adjusting shaft assembly (05) including an adjusting shaft body (51), at least two movable adjusting shaft groups (52), a locking nut (53) mounting bracket (54), the adjusting shaft body (51) being a tubular body, the movable adjusting shaft group (52) including a first support rod (521) and a second support rod (522), the mounting bracket (54) being adapted to move axially relative to the adjusting shaft body (51), one end of the first support rod (521) being hinged to the mounting bracket (54), and one end of each of the second support rods (522) being hinged to the adjusting shaft. On the main body (51), the other end of the first support rod (521) is hinged to the other end of the second support rod (522). The first support rod (521) and the second support rod (522) are arranged along the length direction of the adjusting shaft body (51). The locking nut (53) is sleeved on the adjusting shaft body (51). The locking nut (53) is used to lock the position of the mounting bracket (54). The movable adjusting shaft assembly (52) is arranged circumferentially along the adjusting shaft body (51). The adjusting shaft body (51) is sleeved on the first connecting pipe (01) or the mounting rod (02).

6. The mine-use directional positioning stress gauge installation device according to claim 5, characterized in that: The other end of the first support rod (521) is hinged to the other end of the second support rod (522) via a ball bearing (523).

7. The mine-use directional positioning stress gauge installation device according to claim 6, characterized in that: It also includes a second connecting pipe (06) and a plug (07). One end of the second connecting pipe (06) is connected to the second end of the first connecting pipe (01), and one end of the plug (07) is sealed at the other end of the second connecting pipe (06). The other end of the plug (07) is used to connect other connecting pipes.

8. The mine-use directional positioning stress gauge installation device according to claim 7, characterized in that: The plug (07) has an annular positioning boss (71) in the middle, and the other end of the second connecting pipe (06) abuts against the annular positioning boss (71). The other end of the plug (07) is provided with an external thread.

9. The mine-use directional positioning stress gauge installation device according to claim 8, characterized in that: The second connecting pipe (06) is a square pipe.

Citation Information

Patent Citations

  • Coal seam borehole stress monitoring device

    CN115235675A

  • Novel directional positioning type stressometer mounting device for mine

    CN220647533U