A positioning mounting structure for an azimuth reference monitoring unit

By using a positioning and installation structure of a bearing plate and tilt detection module in mine roadways, combined with an electric telescopic rod and protective components, the problem of decreased accuracy caused by the tilt detection module being easily hit by ore was solved, achieving precise positioning and protection, and improving the accuracy of the azimuth reference monitoring unit.

CN117606452BActive Publication Date: 2025-11-07JIUJIANG JINGDA MEASUREMENT TECH
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Patent Information

Application Number
CN202311456114.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-03
Publication Date
2025-11-07
Estimated Expiration
2043-11-03

AI Technical Summary

Technical Problem

When existing orientation reference monitoring units are installed in mine roadways, the tilt detection module is easily hit by ore, causing it to tilt and reducing accuracy. Furthermore, there is a lack of effective on-site calibration and protective measures.

Method used

The positioning and installation structure consists of a load-bearing plate and an angle detection module, combined with an electric telescopic pole, a brake motor, a distance sensor, and protective components. Accuracy is improved through on-site calibration and protective measures, including the use of magnetic attraction and adjustable support bolts.

Benefits of technology

It enables precise positioning and on-site calibration of the azimuth reference monitoring unit, enhances protection capabilities, avoids interference from falling ore on the beam, and improves monitoring accuracy.

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Abstract

The present application belongs to the technical field of installation base, and particularly relates to a positioning installation structure for an azimuth reference monitoring unit, comprising a bearing plate and a plurality of inclination detection modules distributed along a circumferential array on the upper edge of the bearing plate, the lower edge of the bearing plate is provided with a plurality of electric telescopic rods opposite to the distribution of the inclination detection modules, a protection assembly is arranged between the lower ends of the electric telescopic rods, a brake motor is installed on the middle of the lower surface of the bearing plate along the axial direction, the output end of the brake motor is away from the bearing plate and is provided with a connecting piece, a disc connected with the connecting piece is arranged below the brake motor, a power supply assembly is arranged on the middle of the lower surface of the disc, and a plurality of distance sensors are distributed along a circumferential array on the upper edge of the disc. The positioning installation structure can be calibrated on site, and after calibration, a protection measure is formed outside the azimuth reference monitoring unit and the positioning installation structure to block rockfall, which is beneficial to improve the accuracy of the azimuth reference monitoring unit.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of installation base, and particularly relates to a positioning installation structure for an azimuth reference monitoring unit. BACKGROUND

[0002] Mine tunneling is often carried out inside a mine, and the tunneling route advances according to a set route. Due to the obstruction of the mountain, the tunneling equipment is difficult to obtain the support of the satellite positioning system. The roadway manual line laying distance is far, the workload is large, and the silk thread easily hinders the route of the mine equipment, so the roadway azimuth reference often uses laser equipment to guide.

[0003] The infrared laser pointing instrument is a commonly used azimuth reference monitoring unit in a roadway, which is generally installed at a roadway node. The ground of the roadway is uneven, and at least three lifting units need to be arranged below the pointing instrument. The lifting units can be hydraulic cylinders, air cylinders, etc. An inclination detection module is arranged above the lifting units to monitor the levelness of the pointing instrument in real time, and the pointing instrument is further adjusted to be level by the lifting units.

[0004] The existing azimuth reference monitoring unit is installed in the roadway, and is leveled by at least three inclination detection modules cooperating with the lifting units. The inclination detection modules are installed outside the pointing instrument, are easily hit by the falling rocks in the roadway to cause inclination, are inconvenient to calibrate on site, and result in the decrease of the accuracy of the azimuth reference monitoring unit. Therefore, the positioning installation structure for the azimuth reference monitoring unit is provided. SUMMARY

[0005] The application aims to provide a positioning installation structure for an azimuth reference monitoring unit, which can calibrate the positioning installation structure on site, form a protective measure outside the azimuth reference monitoring unit and the positioning installation structure after calibration to block the falling rocks, and is beneficial to improve the accuracy of the azimuth reference monitoring unit.

[0006] The technical scheme adopted by the application is as follows:

[0007] A positioning installation structure for an azimuth reference monitoring unit, comprising a bearing plate and a plurality of inclination detection modules distributed in an array along the circumference on the upper edge of the bearing plate, wherein the lower edge of the bearing plate is provided with a plurality of electric telescopic rods opposite to the inclination detection modules, the lower ends of the electric telescopic rods are provided with a protective assembly, the middle of the lower surface of the bearing plate is provided with a brake motor along the axial direction, the output end of the brake motor is away from the bearing plate and is provided with a connecting piece, the lower side of the brake motor is provided with a disc connected with the connecting piece, the middle of the lower surface of the disc is provided with a power supply assembly, the upper edge of the disc is provided with a plurality of distance sensors distributed in an array along the circumference, the distance sensors are all powered by the power supply assembly, and the outgoing light beams of the distance sensors are all parallel to the central axis of the disc.

[0008] The connecting piece comprises a rotating shaft sleeve mounted on the output end of the brake motor, the rotating shaft sleeve is coaxial with the brake motor and internally mounted with a nylon rope, one end of the nylon rope extends out of the rotating shaft sleeve in the axial direction and is mounted with a steel shaft;

[0009] The protection assembly comprises a seat ring arranged between the lower ends of the electric telescopic rods, the upper edge of the seat ring is circumferentially arranged with a plurality of upright columns, the upper ends of the upright columns respectively extend to the outside of the bearing plate and are mounted with a protection tube, the inside of the protection tube sheaths the bearing plate and the upper end of the protection tube is sleeved with two symmetrical protective covers, the lower ends of the two protective covers are in a half hollow cylindrical structure, the upper ends of the two protective covers are in a quarter spherical shell structure and are respectively provided with a perspective window on the side close to each other, during erection, the seat ring is placed horizontally on the ground, the whole positioning and mounting structure is in an open state, then the azimuth reference monitoring unit is fixed on the bearing plate, at this time, the plurality of inclination detection modules and the electric telescopic rods are adjusted horizontally under the control of the processor, the positioning and mounting step is completed, and the brake motor is started to rotate the connecting piece and the disc, the disc is in a vertical state under the centrifugal force, the distance signals of the bearing plate are monitored in real time by the plurality of vertical distance sensors, the difference between the maximum and minimum distance signals is obtained, if the difference is within a specified range, the azimuth reference monitoring unit is successfully positioned, the positioning and mounting structure can be calibrated on site, and after calibration, the protection measures are formed outside the azimuth reference monitoring unit and the positioning and mounting structure to block the falling rocks, so that the accuracy of the azimuth reference monitoring unit is improved.

[0010] The inner edges of the two protective covers are fixedly mounted with a plurality of mounting seats, the outer sides of the mounting seats are embeddedly mounted with magnets, when the two protective covers are closed, the magnets in the mounting seats are attracted to each other to tighten the two protective covers, so that the two protective covers are conveniently and quickly aligned.

[0011] The outer side of the protection tube is circumferentially arranged with a plurality of groups of threaded holes, each group of the plurality of threaded holes is arranged in the axial direction of the protection tube, and the outer openings of at least one threaded hole in each group are mounted with support bolts, the support bolts can be screwed into threaded holes of the same height to circumferentially support the two protective covers, and the height of the support can be adjusted to adapt to changes in the height of the bearing plate.

[0012] The outer edges of the two perspective windows are horizontally mounted with arc-shaped plates, the two arc-shaped plates are tightly formed into a cylindrical shape, and the outside of the cylinder is sleeved with a sleeve ring, when the two protective covers are closed, the two arc-shaped plates are combined into a cylinder, and then the sleeve ring is sleeved to center the two arc-shaped plates, further forming protection outside the perspective windows to reduce the falling rocks falling along the perspective windows, and the light beam of the azimuth reference monitoring unit is not hindered.

[0013] The power supply assembly comprises a battery box mounted in the middle of the lower surface of the disc, the inside of the battery box is provided with a plurality of lithium batteries, the outer surface of the battery box is embedded with a USB charging port, and the positioning and mounting structure can provide power for the distance sensor by using the battery box during work, prevents the cable of the distance sensor from hindering the brake motor, the center of gravity of the battery box falls on the rotating shaft of the disc, eccentric motion of the disc is not caused, the lithium batteries of the battery box can be charged through the USB charging port by using the mobile power supply, and the use is convenient.

[0014] Two symmetrical counterweights are fixedly installed on the two sides of the battery box, the central axes of the two counterweights are parallel to the central axis of the disc, the center of gravity of the connecting piece is lowered by using the two counterweights, and the disc can be lowered as much as possible.

[0015] The technical effects obtained by the application are as follows:

[0016] The positioning and mounting structure for the azimuth reference monitoring unit is placed flat on the ground when erected, the whole positioning and mounting structure is in an open state, the azimuth reference monitoring unit is fixed on the bearing plate, at this time, the plurality of inclination detection modules and the electric telescopic rod are adjusted to be horizontal under the control of the processor, the positioning and mounting step is completed, the brake motor is started, the rotating connecting piece, the disc, the distance sensor, the rotating shaft sleeve, the nylon rope and the steel shaft are rotated, the disc is in a vertical state under the centrifugal effect, the distance signals of the bearing plate are monitored in real time by the plurality of vertical distance sensors, the difference between the maximum and minimum distance signals is obtained, and the azimuth reference monitoring unit is successfully positioned when the difference is in a specified range, the positioning and mounting structure can be calibrated on site, and the protection measures are formed outside the azimuth reference monitoring unit and the positioning and mounting structure to block falling rocks, and the precision of the azimuth reference monitoring unit is improved.

[0017] The positioning and mounting structure for the azimuth reference monitoring unit is placed flat on the ground when erected, the whole positioning and mounting structure is in an open state, the azimuth reference monitoring unit is fixed on the bearing plate, at this time, the plurality of inclination detection modules and the electric telescopic rod are adjusted to be horizontal under the control of the processor, the positioning and mounting step is completed, the brake motor is started, the rotating connecting piece, the disc, the distance sensor, the rotating shaft sleeve, the nylon rope and the steel shaft are rotated, the disc is in a vertical state under the centrifugal effect, the distance signals of the bearing plate are monitored in real time by the plurality of vertical distance sensors, the difference between the maximum and minimum distance signals is obtained, and the azimuth reference monitoring unit is successfully positioned when the difference is in a specified range, the positioning and mounting structure can be calibrated on site, and the protection measures are formed outside the azimuth reference monitoring unit and the positioning and mounting structure to block falling rocks, and the precision of the azimuth reference monitoring unit is improved.

[0018] The positioning and mounting structure for the azimuth reference monitoring unit can rotate the support bolts into the threaded holes of the same height to support the two shields in the circumferential direction, and the height of the support can be adjusted to adaptively change with the change of the height of the bearing plate.

[0019] The positioning and mounting structure for the azimuth reference monitoring unit can rotate the support bolts into the threaded holes of the same height to support the two shields in the circumferential direction, and the height of the support can be adjusted to adaptively change with the change of the height of the bearing plate. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is an open state embodiment of the positioning installation structure of the present application;

[0021] Figure 2 is a closed state embodiment of the positioning installation structure of the present application;

[0022] Figure 3 is a front view embodiment of the bearing plate of the present application;

[0023] Figure 4 is a front view embodiment of the electric telescopic rod of the present application;

[0024] Figure 5 is a front view embodiment of the brake motor of the present application;

[0025] Figure 6 is a front view embodiment of the disc of the present application;

[0026] Figure 7 is a bottom view embodiment of the seat ring of the present application;

[0027] Figure 8 is a front view embodiment of the protection tube of the present application;

[0028] Figure 9 is a front view embodiment of the protective cover of the present application.

[0029] In the drawings, the components represented by each reference numeral are listed as follows:

[0030] 1, bearing plate; 2, inclination detection module; 3, electric telescopic rod; 4, brake motor; 5, disc; 6, distance sensor; 7, rotating shaft sleeve; 8, nylon rope; 9, steel shaft; 10, seat ring; 11, stand; 12, protection tube; 13, protective cover; 14, perspective window; 15, mounting seat; 16, magnet; 17, threaded hole; 18, supporting bolt; 19, arc plate; 20, collar; 21, subterranean drill; 22, rubber pad; 23, first hinged seat; 24, second hinged seat; 25, battery box; 26, USB charging port; 27, counterweight; 28, steel pipe; 29, tightening bolt. DETAILED DESCRIPTION

[0031] In order to make the purpose and advantages of the present application more clear and explicit, the present application is specifically described below in combination with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present application, and does not strictly limit the protection scope of the present application.

[0032] As Figures 1-9As shown, a positioning installation structure for azimuth reference monitoring unit includes a bearing plate 1 and a plurality of inclination detection modules 2 distributed along the circumferential array on the edge of the bearing plate 1 (cf. document 1, publication number CN114234938A), the lower edge of the bearing plate 1 is provided with a plurality of electric telescopic rods 3 opposite to the distribution of the inclination detection modules 2, and further includes a processor for controlling the operation of the whole structure, a protection assembly is arranged between the lower ends of the electric telescopic rods 3, a brake motor 4 is installed on the middle of the lower surface of the bearing plate 1 along the axial direction, the upper end of the brake motor 4 is fixedly connected to the middle of the lower surface of the bearing plate 1, the output end of the brake motor 4 is away from the bearing plate 1 and is provided with a connecting piece, a disc 5 connected with the connecting piece is arranged below the brake motor 4, a power supply assembly is arranged on the middle of the lower surface of the disc 5, a plurality of distance sensors 6 are distributed along the circumferential array on the upper edge of the disc 5, the lower ends of the distance sensors 6 are fixedly connected to the upper edge of the disc 5, the distance sensors 6 are powered through the power supply assembly, and the outgoing light beams of the distance sensors 6 are parallel to the central axis of the disc 5;

[0033] The connecting piece includes a rotating shaft sleeve 7 installed on the output end of the brake motor 4, the upper edges of the rotating shaft sleeves 7 are fixedly connected to the output end of the brake motor 4, the rotating shaft sleeves 7 and the brake motor 4 are coaxial and internally installed with a nylon rope 8, one end of the nylon rope 8 extends out of the inside of the rotating shaft sleeve 7 along the axial direction and is installed with a steel shaft 9, and the other end of the nylon rope 8 is fixedly connected to the inside of the rotating shaft sleeve 7;

[0034] The protection assembly comprises a seat ring 10 arranged between the lower ends of the electric telescopic rod 3, the upper edge of the seat ring 10 is provided with a plurality of vertical columns 11 in a circumferential array, the upper ends of the vertical columns 11 are respectively extended to the outside of the bearing plate 1 and are provided with a protection pipe 12 therebetween, the lower ends of the vertical columns 11 are all fixedly connected to the upper edge of the seat ring 10, the inside of the protection pipe 12 is sleeved with the bearing plate 1 and is provided with two symmetrical protective covers 13 at the upper end, the lower ends of the two protective covers 13 are both in a half hollow pipe structure, the upper ends of the two protective covers 13 are both in a quarter spherical shell structure and are both provided with a perspective window 14 at the side close to each other, the ground at the installation position of the first scanning tunnel is leveled, the seat ring 10 is laid flat on the ground when erecting, the electric telescopic rod 3, the vertical column 11, the protection pipe 12, the two protective covers 13 and the protection pipe 12 are supported, the two protective covers 13 are separated from the protection pipe 12, so that the whole positioning installation structure is in an open state, then the azimuth reference monitoring unit is fixed on the upper surface of the bearing plate 1, at this time, the plurality of inclination detection modules 2 and the electric telescopic rod 3 are adjusted to be horizontal under the control of the processor, the positioning installation step is completed, and the brake motor 4, the rotary connecting piece, the disc 5, the distance sensor 6, the rotating shaft sleeve 7, the nylon rope 8 and the steel shaft 9 are started, the disc 5 pulls the nylon rope 8 to be in a vertical state under the centrifugal force, the distance signals of the bearing plate 1 are monitored in real time by the plurality of vertical distance sensors 6, the difference between the maximum and minimum distance signals is obtained, if the difference is in a specified range, the positioning of the azimuth reference monitoring unit is successful, otherwise, the positioning fails, the positioning installation structure can be calibrated on site, after the calibration is completed, the two protective covers 13 are folded to cover the upper end of the protection pipe 12 and are firmly adhered by adhesive tape, the protection measures are formed outside the azimuth reference monitoring unit and the positioning installation structure to block the falling rocks, so that the whole positioning installation structure is in a closed state, the light beams of the azimuth reference monitoring unit can be transmitted through the perspective window 14 without being hindered, and the accuracy of the azimuth reference monitoring unit is improved.

[0035] As an embodiment, the model of the azimuth reference monitoring unit is YHJ-800, and the parameters thereof are as follows:

[0036] 1) Range: > 800m;

[0037] 2) Output power: ≥ 5mW;

[0038] 3) Spot diameter: ≤ 70mm;

[0039] 4) Working current: ≤ 60mA;

[0040] 5) Weight: ≤ 1.6kg;

[0041] 6) Auxiliary elements: semiconductor laser, laser collimation system, focusing device and light beam horizontal and vertical direction adjusting device.

[0042] In the specification of the prior art document 1 (publication number CN114234938A), a level base adjusting device is disclosed, which comprises an infrared laser induction module, a processor, an inclination signal acquisition module, an inclination sensor, a motor driving module and a motor. The processor is electrically connected with the infrared laser induction module, the inclination signal acquisition module and the motor driving module. The infrared laser induction module is used for receiving and inducing the infrared laser of the level and generating an induction signal to the processor. The inclination sensor is used for detecting the inclination of the level and generating an inclination signal. The inclination signal acquisition module is used for collecting and transmitting the inclination signal generated by the inclination sensor to the processor. The processor is used for processing the inclination signal according to the induction signal and generating an adjusting signal to the motor driving module. The motor driving module is used for driving the motor to work according to the adjusting signal and adjusting the height of the base of the level. The infrared laser induction module, the inclination signal acquisition module and the inclination sensor correspond to the inclination detection module 2.

[0043] As shown in Figure 1 and Figure 9 , the inner edges of the two shrouds 13 are fixedly installed with a plurality of mounting seats 15, one side of the mounting seat 15 is fixedly connected to the inner edge of the corresponding shroud 13, and the outer side of the mounting seat 15 is embedded with a magnet 16. When the two shrouds 13 are closed, the magnets 16 in the mounting seats 15 attract each other to tighten the two shrouds 13, facilitating quick alignment and fixation of the two shrouds 13. Conversely, separating the two attracted magnets 16 can open the two shrouds 13.

[0044] As shown in Figure 1 and Figure 8 , the outer side of the protection tube 12 is circumferentially arrayed with multiple groups of threaded holes 17, each group of multiple threaded holes 17 is distributed along the axial direction of the protection tube 12, and the outer opening of at least one threaded hole 17 in each group is installed with a supporting bolt 18. Meanwhile, the supporting bolt 18 can be screwed into the same height threaded hole 17 in the clockwise direction to circumferentially support the two shrouds 13, and the height of the support can be adjusted to adapt to the change in the height of the bearing plate 1. Conversely, reversing the supporting bolt 18 can disengage the corresponding threaded hole 17.

[0045] As shown in Figure 1 and Figure 9 , the outer edges of the two perspective windows 14 are horizontally installed with arc-shaped plates 19, one end of each of the two arc-shaped plates 19 is fixedly connected to the outer edge of the corresponding perspective window 14, and the two arc-shaped plates 19 are tightly formed into a cylindrical shape with a sleeve ring 20 externally sleeved. When the two shrouds 13 are closed, the two arc-shaped plates 19 are combined into a cylinder, and then the sleeve ring 20 is sleeved to center the two arc-shaped plates 19, further forming a protection outside the perspective window 14, reducing the falling rocks falling along the perspective window 14, and not hindering the light beam of the azimuth reference monitoring unit.

[0046] As shown in Figure 1 and Figure 7 , the outer side of the seat ring 10 is circumferentially arrayed with a plurality of hidden ground spikes 21, the upper edges of the hidden ground spikes 21 are fixedly connected to the outer side of the seat ring 10, the lower ends of the hidden ground spikes 21 are downwardly extended along the axial direction of the seat ring 10 and are all in the shape of a sharp cone, when the seat ring 10 falls to the ground, the hidden ground spikes 21 can be inserted into the ground in advance to pre-punch holes and increase the grounding area of the seat ring 10 so as to improve the stability of the grounding of the positioning and mounting structure.

[0047] As shown in Figure 1 and Figure 7 , the lower surface of the seat ring 10 is bonded with a rubber pad 22 in the shape of a ring, the upper surface of the rubber pad 22 is bonded to the lower surface of the seat ring 10, and a distance is left between the outer side of the rubber pad 22 and the outer side of the hidden ground spike 21, when the ground vibrates, the deformation of the rubber pad 22 is utilized to buffer so that the positioning and mounting structure has certain shock absorption performance.

[0048] As shown in Figure 1 and Figure 4 , the output end of the electric telescopic rod 3 and the lower edge of the bearing plate 1 are both installed with a first hinge seat 23, the upper end of the first hinge seat 23 is fixedly connected to the lower edge of the bearing plate 1 and the lower end is fixedly connected to the output end of the corresponding electric telescopic rod 3, the lower end of the electric telescopic rod 3 and the upper surface of the seat ring 10 are both installed with a second hinge seat 24, the upper end of the second hinge seat 24 is fixedly connected to the lower end of the corresponding electric telescopic rod 3 and the lower end is fixedly connected to the upper surface of the seat ring 10, when the electric telescopic rod 3 is extended or retracted, it can be suspended and swung through the first hinge seat 23 and the second hinge seat 24 and will not interfere with the lifting and swinging of the bearing plate 1.

[0049] As shown in Figure 2 and Figure 6 , the power supply assembly includes a battery box 25 installed in the middle of the lower surface of the disc 5, the upper surface of the battery box 25 is fixedly connected to the middle of the lower surface of the disc 5, the inside of the battery box 25 is provided with a plurality of lithium batteries, and the outer surface of the battery box 25 is embeddedly installed with a USB charging port 26, when the positioning and mounting structure works, the battery box 25 can provide power supply for the distance sensor 6, prevent the cable of the distance sensor 6 from hindering the brake motor 4, the center of gravity of the battery box 25 falls on the rotating shaft of the disc 5 and will not cause eccentric motion of the disc 5, and the lithium batteries of the battery box 25 can be charged through the USB charging port 26 by using a mobile power supply, which is convenient to use.

[0050] As shown in Figure 2 and Figure 6As shown, two symmetrical counterweights 27 are fixedly installed on the two sides of the battery box 25, one side of each of the two counterweights 27 is fixedly connected to the two sides of the battery box 25, and the central axes of the two counterweights 27 are parallel to the central axis of the disc 5, so that the two counterweights 27 are used to lower the gravity center of the connecting piece, thereby facilitating the disc 5 to be as low as possible.

[0051] As shown in Figure 2 、 Figure 3 and Figure 5 , a steel pipe 28 is fixedly installed on the middle of the upper surface of the bearing plate 1 along the axial direction, the lower end of the steel pipe 28 is fixedly connected to the middle of the upper surface of the bearing plate 1, and a tightening bolt 29 is threadedly installed on the outer side of the steel pipe 28, and in operation, the steel pipe 28 is used to cover the steel rod of the azimuth reference monitoring unit, and then the tightening bolt 29 is rotated in the forward direction to abut against the steel rod, and locking is performed under the action of friction, thereby improving the stability of the azimuth reference monitoring unit.

[0052] The working principle of the present application is as follows: when erecting, the seat ring 10 is placed horizontally on the ground, the electric telescopic rod 3, the stand 11, the protection pipe 12, and the two protective covers 13 are separated from the protection pipe 12, so that the entire positioning and installing structure is in an open state, and then the azimuth reference monitoring unit is fixed on the upper surface of the bearing plate 1, at this time, the multiple inclination detection modules 2 and the electric telescopic rod 3 are controlled by the processor to adjust the azimuth reference monitoring unit to be horizontal, and the positioning and installing step is completed.

[0053] At the same time, the brake motor 4 is started to rotate the connecting piece, the disc 5, the distance sensor 6, the rotating shaft sleeve 7, the nylon rope 8, and the steel shaft 9, and the disc 5 pulls the nylon rope 8 to be in a vertical state under the action of centrifugal force, the distance signals of the bearing plate 1 are monitored in real time by the multiple vertical distance sensors 6, the difference between the maximum and minimum distance signals is obtained, and if the difference is within a specified range, the positioning of the azimuth reference monitoring unit is successful, otherwise, the positioning fails, and the positioning and installing structure can be calibrated on site.

[0054] After calibration is completed, the magnets 16 in the mounting seats 15 are used to attract each other to tighten the two protective covers 13, so that the two protective covers 13 are conveniently and quickly aligned, the two protective covers 13 are folded to cover the upper end of the protection pipe 12 and are firmly adhered with adhesive tape, a protective measure is formed outside the azimuth reference monitoring unit and the positioning and installing structure to block falling rocks, the support bolt 18 can be screwed into the threaded holes 17 of the same height to circumferentially support the two protective covers 13, and the height of the support can be adjusted to adaptively change with the change of the height of the bearing plate 1, the light beam of the azimuth reference monitoring unit propagates along the perspective window 14 without being hindered, and the accuracy of the azimuth reference monitoring unit is improved.

[0055] At the same time, the two shrouds 13 drive the two arc-shaped plates 19 to combine into a cylinder, and then the collar 20 is sleeved to support the two arc-shaped plates 19, further forming a protection outside the perspective window 14, reducing the falling rocks along the perspective window 14, and not hindering the light beam of the azimuth reference monitoring unit.

[0056] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered within the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A positioning installation structure for azimuth reference monitoring unit, comprising a bearing plate (1) and a plurality of inclination detection modules (2) distributed along a circumferential array on the edge of the bearing plate (1), the lower edge of the bearing plate (1) is provided with a plurality of electric telescopic rods (3) opposite to the distribution of the inclination detection modules (2), characterized in that: The lower end of the electric telescopic rod (3) is provided with a protection assembly, the middle of the lower surface of the bearing plate (1) is provided with a brake motor (4) installed along the axial direction, the output end of the brake motor (4) is away from the bearing plate (1) and is provided with a connecting piece, the lower side of the brake motor (4) is provided with a disc (5) connected with the connecting piece, the middle of the lower surface of the disc (5) is provided with a power supply assembly, the upper edge of the disc (5) is circumferentially arrayed with a plurality of distance sensors (6), the distance sensors (6) are all powered by the power supply assembly, and the outgoing light beams of the distance sensors (6) are all parallel to the central axis of the disc (5). The connecting piece comprises a rotating shaft sleeve (7) mounted on the output end of the brake motor (4), the rotating shaft sleeve (7) is coaxial with the brake motor (4) and internally mounted with a nylon rope (8), one end of the nylon rope (8) extends out of the rotating shaft sleeve (7) along the axial direction and is mounted with a steel shaft (9). The protection assembly comprises a seat ring (10) arranged between the lower ends of the electric telescopic rod (3), the upper edge of the seat ring (10) is circumferentially arrayed with a plurality of stand columns (11), the upper ends of the stand columns (11) respectively extend to the outside of the bearing plate (1) and are mounted with a protection pipe (12) therebetween, the inside of the protection pipe (12) sheaths the bearing plate (1) and the upper end is sheathed with two symmetrical protective covers (13), the lower ends of the two protective covers (13) are both in a half hollow cylindrical structure, the upper ends of the two protective covers (13) are both in a quarter spherical shell structure and are both provided with a perspective window (14) on the side close to each other.

2. A positioning mounting structure for an azimuth reference monitoring unit according to claim 1, characterized in that: The inner edges of the two protective covers (13) are both fixedly mounted with a plurality of mounting seats (15), the outer sides of the mounting seats (15) are all embeddedly mounted with magnets (16).

3. A positioning mounting structure for an azimuth reference monitoring unit according to claim 1, characterized in that: The outer side of the protection pipe (12) is circumferentially arrayed with a plurality of groups of threaded holes (17), a plurality of the threaded holes (17) in each group are distributed along the axial direction of the protection pipe (12), and the outer openings of at least one threaded hole (17) in each group are all mounted with support bolts (18).

4. The positioning mounting structure for an azimuth reference monitoring unit of claim 1, wherein: The outer edges of the two perspective windows (14) are both horizontally mounted with arc-shaped plates (19), the two arc-shaped plates (19) are tightly formed into a cylindrical shape and the outside of the cylinder is sheathed with a sleeve ring (20).

5. The positioning mounting structure for an azimuth reference monitoring unit of claim 1, wherein: The outer side of the seat ring (10) is circumferentially arrayed with a plurality of subterranean drills (21), the lower ends of the subterranean drills (21) all downwardly extend along the axial direction of the seat ring (10) and are all in a sharp conical shape.

6. The positioning mounting structure for an azimuth reference monitoring unit of claim 1, wherein: The lower surface of the seat ring (10) is bonded with an annular rubber pad (22), and a distance is left between the outer side of the rubber pad (22) and the outer side of the subterranean drill (21).

7. The positioning mounting structure for an azimuth reference monitoring unit of claim 1, wherein: The output end of the electric telescopic rod (3) and the lower edge of the bearing plate (1) are both mounted with a first hinged seat (23), and the lower end of the electric telescopic rod (3) and the upper surface of the seat ring (10) are both mounted with a second hinged seat (24).

8. The positioning mounting structure for an azimuth reference monitoring unit of claim 1, wherein: The power supply assembly comprises a battery box (25) mounted in the middle of the lower surface of the disc (5), the inside of the battery box (25) is provided with a plurality of lithium batteries, and the outer surface of the battery box (25) is embeddedly mounted with a USB charging port (26).

9. A positioning mounting structure for an azimuth reference monitoring unit according to claim 8, characterized in that: Two symmetrical counterweights (27) are fixedly installed on two sides of the battery box (25) respectively, and the central axes of the two counterweights (27) are parallel to the central axis of the disc (5).

10. The positioning mounting structure for an azimuth reference monitoring unit of claim 1, wherein: A steel pipe (28) is fixedly installed on the middle of the upper surface of the bearing plate (1) in the axial direction, and a tightening bolt (29) is threadedly installed on the outer side of the steel pipe (28).

Citation Information

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