A mine separation layer measuring and displaying device and measuring method

Abstract

The present application belongs to the technical field of mine roadway separation monitoring, and specifically discloses a mine separation measurement and display device and a measurement method, which comprises a measurement anchor head, a rope, a fixed tube, a structure cavity and an electrical cavity. The measurement anchor head is used for inserting into a mine separation measurement point. The inside of the fixed tube is movably provided with a shuttle, and the shuttle is connected with the measurement anchor head through the rope. The structure cavity is connected with the fixed tube, and the inside mechanical display mechanism thereof is connected with the shuttle through a working cable, and is used for converting the displacement generated when the measurement anchor head drives the shuttle to move into mechanical display. The electrical cavity is connected with the structure cavity, and the detection end of the inside digital display mechanism thereof is inserted into the inside of the structure cavity, and is used for converting the displacement signal generated when the measurement anchor head drives the working cable into an electrical signal, and performing digital display. The present application has the functions of digital display and mechanical display at the same time, has high reliability, has reasonable structure layout, is easy to install, and can display the mine roadway separation condition.

Description

Technical Field

[0001] This invention relates to the field of mine roadway delamination monitoring technology, and in particular to a mine delamination measurement and display device and measurement method. Background Technology

[0002] Mine roadway roof delamination monitoring devices are mainly used for monitoring the loosening and delamination of the roof and surrounding rock in deep coal mine roadways. They can also be used for monitoring the risk of roof collapse in other similar structures such as culverts and civil defense projects. The roadway roof delamination monitoring device is used to monitor roof delamination in mining or tunneling roadways. It primarily monitors the loosening and delamination of the surrounding rock and roof, achieving real-time continuous monitoring. It can dynamically grasp the roof movement process, accurately assess the stability or localized damage of the surrounding rock and support equipment, and provide early warnings and immediate displays of potential roof accidents. Inside the roadway, it mainly monitors and displays changes in roof subsidence, roof and floor convergence, roof displacement position, and delamination velocity to determine the extent of roof damage, identify roadway stability, and evaluate the safety level of the roadway.

[0003] Common roof delamination monitoring devices are divided into injection-molded and stainless steel structures.

[0004] Injection molding monitoring devices often only have digital displays, or only mechanical displays, or lack direct display functionality altogether. Instead, they transmit electrical signals to the monitoring substation for display. The measurement action mainly involves the measuring anchor pulling a spring, which in turn drives a potentiometer to rotate, generating an electrical signal. The monitoring and alarm functions are achieved through the transmission of this electrical signal. This type of monitoring device has the following drawbacks:

[0005] (1) The installation is complicated, the spring is not easy to install, and it is prone to breakage and failure.

[0006] (2) Due to the certain gap in the spring disc, the displacement response will be delayed;

[0007] (3) Since the monitoring substation is the final display device, it will result in a long signal processing link and a slow response.

[0008] Stainless steel monitoring devices often only have digital displays or displays at monitoring substations. They work by measuring the movement of a steel wire rope from an anchor head, which in turn causes a potentiometer to rotate, generating an electrical signal. Monitoring and alarm functions are achieved through the transmission of this electrical signal. However, this type of monitoring device has the following drawbacks:

[0009] (1) Complex structure. The monitoring and display mechanisms are complex in structure and difficult to manufacture;

[0010] (2) Poor reliability. In actual use, the wire rope is prone to knotting and tangling, leading to equipment failure;

[0011] (3) Cannot be disassembled. Once installed, it cannot be disassembled, or only a very small part can be disassembled;

[0012] (4) Structural jamming. During use, the internal rotating mechanism is prone to friction jamming, resulting in a very rough surface. Summary of the Invention

[0013] To address the shortcomings of existing technologies, this invention provides a mine delamination measurement and display device and method, which simultaneously possesses digital and mechanical display functions, resulting in high reliability. Furthermore, its reasonable structural layout facilitates installation and display of delamination conditions in mine roadways. The technical solution adopted by this invention is as follows.

[0014] In a first aspect, the present invention provides a mining delamination measurement and display device, comprising: a measuring anchor head and a guide rope, the measuring anchor head being used to insert into a mining delamination measurement point; the mining delamination measurement and display device further comprising: a fixed tube having a sliding shuttle movably installed inside it, the sliding shuttle being connected to the measuring anchor head via the guide rope; a structural cavity connected to the fixed tube, the structural cavity having a mechanical display mechanism inside it, the mechanical display mechanism being connected to the sliding shuttle via a working cable, for converting the displacement generated when the measuring anchor head moves the sliding shuttle into a mechanical display; and an electrical cavity connected to the structural cavity, the electrical cavity having a digital display mechanism, the detection end of the digital display mechanism being inserted into the structural cavity, for converting the displacement signal generated when the measuring anchor head moves the working cable into an electrical signal and performing digital display.

[0015] Preferably, the mechanical display mechanism includes: a measuring tape and a measuring tape wheel for winding the measuring tape; the measuring tape wheel is disposed inside the structural cavity and is coaxially connected to a measuring wheel disposed inside the structural cavity for winding a working cable; the outer shell of the structural cavity is also provided with a third notch for the measuring end of the measuring tape to pass through.

[0016] Preferably, the measuring tape wheel includes a ring and a boss; the side wall of the ring is provided with a second notch, and a baffle is provided on one side of the boss and near the second notch, for limiting and fixing the measuring end when the measuring end of the measuring tape passes through the second notch.

[0017] Preferably, the inside of the measuring tape wheel is provided with three protrusions evenly spaced, which are used for hand-tightening to apply pre-tightening force, and each protrusion is simultaneously fixedly connected to the ring and the boss.

[0018] Preferably, the measuring wheel has a narrow end on the side near the measuring tape wheel, the narrow end penetrating the measuring tape wheel for installing a rubber sleeve; the structural cavity cover of the structural cavity has a through hole corresponding to the position of the rubber sleeve, the through hole for the detection end of the digital display mechanism to be inserted into the structural cavity and connected to the rubber sleeve.

[0019] Preferably, the digital display mechanism includes: a digital display screen and a potentiometer; the digital display screen is disposed on a circuit board, the circuit board is disposed inside the electrical cavity, and the electrical cavity housing is provided with a display window; the potentiometer is disposed inside the electrical cavity, its detection end passes through the electrical cavity housing and is inserted into the through hole of the structural cavity, and is connected to a rubber sleeve, for converting the rotation signal of the measuring wheel into an electrical signal for digital display of delamination changes.

[0020] Preferably, the outer ring of the measuring wheel has multiple wire holes arranged in parallel along its axial direction for inserting and limiting the end of the working cable; the internal space of the measuring wheel is used to store the spring, and the inner side of the measuring wheel is provided with a spring slot for locking the spring head of the spring.

[0021] Preferably, the outer shell of the structural cavity has a central hole near the side wall of the measuring wheel for mounting a locking wheel; one end of the locking wheel is inserted into the central hole from the outside of the outer shell and extends into the interior of the measuring wheel, and this end is provided with a spring groove for inserting and fixing the spring head of the spring; multiple tightening holes are arranged in a circular array around the locking wheel to facilitate applying tightening force to the spring.

[0022] Preferably, the interior of the structural cavity is further provided with a pressure plate for limiting the measuring tape wheel and the measuring wheel; the pressure plate covers the outside of the measuring tape wheel and the measuring wheel, the pressure plate is provided with a wire groove corresponding to the side wall of the measuring wheel, and a first notch is provided corresponding to the side wall of the measuring tape wheel, so that the measuring end of the measuring tape can extend out.

[0023] Preferably, the fixing pipe includes: a sliding shuttle, a pipe joint, a rubber head fixing sleeve, and a fixing pipe body; one end of the pipe joint is connected to the fixing pipe body, and the other end is detachably connected to the structural cavity; both the pipe joint and the fixing pipe body are provided with a sliding track for the sliding shuttle to slide; the sliding shuttle is movably disposed inside the sliding track inside the pipe joint and can slide into the sliding track inside the fixing pipe body; the rubber head fixing sleeve is sleeved on the outside of the fixing pipe body and is used to insert into the roof of the mine roadway to prevent the fixing pipe from falling off.

[0024] Preferably, the mining separation measurement and display device further includes: a spare line reel; one end of the rope is wound and stored in the spare line reel, and the other end passes through the structural cavity and the fixing pipe, and is connected to the measuring anchor head.

[0025] Secondly, the present invention provides a method for measuring delamination in mines, using the aforementioned mine delamination measuring and display device, comprising the following steps:

[0026] Insert the fixed pipe into the fixed point of the mine roadway, and insert the measuring anchor into the separation measuring point;

[0027] When delamination occurs at the measurement point, the measurement anchor head drives the shuttle to slide inside the fixed pipe via the rope, and the shuttle drives the working cable to move.

[0028] The displacement of the working cable is converted into a mechanical display through a mechanical display mechanism, and into a digital display through a digital display mechanism, so that workers can intuitively perceive the delamination situation in the mine.

[0029] Compared with existing technologies, the advantages of this invention are as follows: By setting up a rope, the movement of the measuring anchor point can be converted into the movement of a shuttle. By connecting the shuttle with a working cable, this invention can obtain the delamination status at the measuring anchor point by measuring the displacement of the working cable. Compared with the existing technology that uses the measuring anchor point to drive a spring, which in turn drives a potentiometer to generate an electrical signal, this invention has a more reasonable structure, simpler installation, and is less prone to failure. Furthermore, this invention incorporates both mechanical and digital displays, improving the reliability of delamination measurement and facilitating observation of delamination conditions within mine roadways.

[0030] Furthermore, this invention winds the working cable around a measuring wheel, which in turn drives the measuring tape wheel of the mechanized display mechanism to rotate. This causes the measuring end of the measuring tape wound on the measuring tape wheel to extend out of the structural cavity, thus visually displaying the displacement of the working cable by the amount of tape extension, thereby reflecting the delamination situation in the mine roadway. This mechanized display mechanism is not only simple in structure and highly reliable, but also facilitates the observation of delamination conditions.

[0031] Furthermore, the digital display mechanism of this invention is equipped with a potentiometer. The potentiometer core is connected to the measuring wheel via a rubber sleeve. By rotating synchronously with the rubber sleeve, the rotation signal of the potentiometer core can be obtained, converted into an electrical signal, and displayed on the digital display screen. Compared to directly connecting the potentiometer core to the working cable, this method offers a more stable connection, better transmission performance, less susceptibility to failure, and more sensitive and rapid response.

[0032] In addition, to further facilitate the adjustment of the mechanized display mechanism, the present invention also installs a tightening wheel on the outer shell of the structural cavity. By setting the tightening wheel, it is convenient to apply preload to the spring located inside the measuring wheel, thereby facilitating the adjustment of the position and angle of the measuring wheel, and thus facilitating the adjustment of the extension amount and initial position of the working cable.

[0033] To further facilitate the recycling of the mining delamination measurement and display device, the structural cavity and electrical cavity, as well as the structural cavity and fixed pipe of the present invention, are detachably connected, thereby making it easy to disassemble the device into multiple sections for recycling. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the structure of the mine delamination measurement and display device of the present invention;

[0035] Figure 2 This is a schematic diagram of the structure of the mine delamination measurement and display device of the present invention after the electrical cavity has been removed;

[0036] Figure 3 This is a schematic diagram of the structure of the mining delamination measurement and display device of the present invention after the fixed tube and the structural cavity are separated;

[0037] Figure 4 This is a schematic diagram of the mechanical display structure of the mine delamination measurement and display device of the present invention;

[0038] Figure 5 This is a schematic diagram of the structure of the mine delamination measurement and display device of the present invention, which adopts digital display.

[0039] Figure 6 This is an exploded structural diagram of the structural cavity in this invention;

[0040] Figure 7 This is a schematic diagram of the internal cross-sectional structure of the structural cavity in this invention;

[0041] Figure 8 This is a schematic diagram of the pressure plate in this invention;

[0042] Figure 9 This is a schematic diagram of the measuring tape wheel in this invention;

[0043] Figure 10 This is a schematic diagram of the measuring wheel in this invention at the first angle;

[0044] Figure 11 This is a schematic diagram of the measuring wheel in this invention at the second angle;

[0045] Figure 12 This is a schematic diagram of the internal structure of the outer shell of the structural cavity in this invention;

[0046] Figure 13 This is a schematic diagram of the locking wheel in the present invention at the first angle;

[0047] Figure 14 This is a schematic diagram of the locking wheel in the present invention at the second angle;

[0048] Figure 15 This is an exploded structural diagram of the electrical cavity in this invention;

[0049] Figure 16 This is a schematic diagram of the internal cross-sectional structure of the electrical cavity in this invention;

[0050] Figure 17 This is an exploded structural diagram of the fixed tube in this invention;

[0051] Figure 18 This is a schematic diagram of the internal cross-sectional structure of the fixed tube in this invention;

[0052] Figure 19 This is a schematic diagram of the structure of the fixed pipe, the running rope, and the working cable in this invention during operation.

[0053] Figure reference numerals:

[0054] 1. Electrical cavity; 2. Structural cavity; 3. Fixing tube; 4. Measuring anchor head; 5. Spare reel; 6. First bolt; 7. Second bolt; 11. Structural cavity cover;

[0055] 12. Pressure plate; 121. Wire groove; 122. First notch;

[0056] 13. Measuring tape wheel; 131. Ring; 1311. Protrusion; 1312. Second notch; 132. Boss; 1321. Fixing groove; 1322. Baffle;

[0057] 14. Rubber sleeve;

[0058] 15. Measuring wheel; 151. Narrow head; 152. Connecting hole; 153. Wire hole; 154. Spring slot;

[0059] 16. Outer shell; 161. First limiting groove; 162. Third notch; 163. Fourth notch; 164. Second limiting groove; 165. Fifth notch; 166. Measuring tape area; 167. Wire area; 168. Spring area;

[0060] 17. Locking wheel; 171. Spring groove; 172. Tightening hole; 18. Bearing; 19. Working cable; 20. Cable guide;

[0061] 21. Electrical cavity cover; 22. Circuit board; 23. Potentiometer; 24. Electrical cavity housing;

[0062] 31. Shuttle; 32. Pipe connector; 33. Rubber head fixing; 34. Fixed pipe body; 341. First partition. Detailed Implementation

[0063] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this invention. The embodiments described in this application are merely some embodiments of this invention, and not all embodiments. Based on the spirit of this invention, other embodiments obtained by those skilled in the art without creative effort are all within the protection scope of this invention.

[0064] like Figure 1 As shown, Embodiment 1 of the present invention provides a mine delamination measurement and display device, including: an electrical cavity 1, a structural cavity 2, a fixed tube 3, a measuring anchor head 4, a spare reel 5, and a cable. The electrical cavity 1 and the structural cavity 2 are detachably connected by a first bolt 6. The lower end of the fixed tube 3 is detachably connected to the structural cavity 2 by a second bolt 7. The cable includes: a working cable 19 and a guide rope 20. The spare reel 5 is located below the structural cavity 2 and is used to wind and store the guide rope 20. The guide rope 20, which winds out from the spare reel 5, passes through the structural cavity 2 and the fixed tube 3 and finally connects to the measuring anchor head 4, and the guide rope 20 is detachably connected to a shuttle 31 located in the fixed tube 3. One end of the working cable is wound around the measuring reel 15 located inside the structural cavity 2, and the other end is detachably connected to the shuttle 31 in the fixed tube 3.

[0065] The measuring anchor head 4 is used to insert into the measurement point in the mine roadway. The electrical cavity 1 is mainly used to install circuit boards 22, potentiometers 23, batteries, digital displays, and other devices; the entire cavity must be sealed. The structural cavity 2 is used for monitoring and mechanical display, mainly containing structural components such as springs, measuring tape wheels, and working cables. It does not need to be sealed, but it is the most important part of the overall device. The fixing tube 3 is used to fix the device and extends into the object being measured. A sliding shuttle 31 is movably installed inside the fixing tube 3, and the shuttle 31 is connected to the measuring anchor head 4 via a rope 20. The structural cavity 2 contains a mechanical display mechanism, which is connected to the shuttle 31 via a working cable 19. This mechanism converts the displacement generated when the measuring anchor head 4 moves the shuttle 31 into a mechanical display. The electrical cavity 1 contains a digital display mechanism. The detection end of the digital display mechanism is inserted into the structural cavity 2, converting the displacement signal generated by the measuring anchor head 4 moving the working cable 19 into an electrical signal for digital display.

[0066] like Figure 6 , Figure 7 As shown, the structural cavity 2 includes: a structural cavity cover 11, a pressure plate 12, a measuring tape wheel 13, a rubber sleeve 14, a measuring wheel 15, and a housing 16. The housing 16 has an internal cavity and an opening on one side. The structural cavity cover 11 covers the entire structural cavity 2, fitting over the opening of the housing 16 to seal the cavity and protect the various structural components inside. The structural cavity cover 11 has two symmetrical steps on the side closest to the housing 16 for mounting the bearing 18, and each step has a through hole at its center.

[0067] The measuring tape and its wheel 13 constitute a mechanized display mechanism. The wheel 13 is housed within the cavity and is used to fix the measuring tape. Figure 9As shown, the measuring tape wheel 13 includes a ring 131 and a boss 132, with one end of the ring 131 fixedly connected to the boss 132. Three protrusions 1311 are evenly spaced inside the measuring tape wheel 13 for hand-tightening to apply preload. Each protrusion 1311 is simultaneously fixedly connected to both the ring 131 and the boss 132. A second notch 1312 is provided on the side wall of the ring 131, and a baffle 1322 is provided on one side of the boss 132, near the second notch 1312. When the measuring tape is wound around the outer wall of the ring 131 of the measuring tape wheel 13, the measuring end of the measuring tape passes through the second notch 1312 and is limited and fixed by the baffle 1322.

[0068] The boss 132 has a central hole at its center that communicates with the inside of the ring 131. At least one fixing groove 1321 is provided around the central hole. The fixing groove 1321 is used to fix the measuring tape wheel 13 to the measuring wheel 15, so that the measuring tape wheel 13 and the measuring wheel 15 rotate together.

[0069] The measuring wheel 15 is disposed inside the cavity and positioned between the measuring tape wheel 13 and the inner wall of the outer casing 16. (Combined) Figure 10 , Figure 11 As shown, the outer ring of the measuring wheel 15 is used to wind steel wire (i.e., working cable 19), and multiple steel wire holes 153 are arranged side by side along its axial direction on the outer ring of the measuring wheel 15. After the working cable is wound around the outer ring of the measuring wheel 15, one end passes through the steel wire hole 153 to the inside of the measuring wheel 15 and is locked, while the other end extends into the fixed tube 3 and is detachably connected to the sliding shuttle 31 located in the fixed tube by screws. The internal space of the measuring wheel 15 is used to store the spring. A spring retainer 154 is provided on the inner side of the measuring wheel 15, so that the finished spring can be inserted as a whole and then the spring strap can be loosened. The spring head can hook into the spring retainer 154 for locking, which facilitates the installation of the spring.

[0070] A narrow head 151 protrudes outward from the center of the outer end of the measuring wheel 15. The narrow head 151 passes through the central hole of the boss 132 of the measuring tape wheel 13 and extends into the step provided on the structural cavity cover 11. A flat oval hole is formed inside the narrow head, which communicates with the inside of the measuring wheel 15, for installing the rubber sleeve 14. A plurality of connecting holes 152 are provided at equal intervals around the outer end of the measuring wheel 15 and around the narrow head 151. The connecting holes 152 are adapted to the fixing groove 1321 for connecting the measuring wheel 15 and the measuring tape wheel 13.

[0071] like Figure 6 , Figure 7 As shown, the pressure plate 12 is disposed within the cavity of the outer casing 16. The pressure plate 12 is generally annular and covers the periphery of the measuring tape wheel 13 and the measuring wheel 15, serving to limit the movement of the measuring tape wheel 13 and the measuring wheel 15. Combined with... Figure 8As shown, a wire zone 167 is formed between the pressure plate 12 and the outer ring of the measuring wheel 15, a measuring tape zone 166 is formed between the pressure plate 12 and the outer ring of the measuring tape wheel 13, and a spring zone 168 is formed between the inner wall of the measuring wheel 15 and the inner bottom wall of the outer casing 16. A wire groove 121 is provided on the side wall of the pressure plate 12 corresponding to the wire zone 167 for threading the wire, and a first notch 122 is provided on the side wall of the pressure plate 12 corresponding to the measuring tape zone 166 for the measuring tape to exit.

[0072] The rubber sleeve 14 is used to fasten the potentiometer. It is inserted into the pre-reserved flat round hole of the measuring wheel 15 from the opening of the pressure plate 12 to ensure that a certain fastening force is required for fastening.

[0073] like Figure 12 As shown, a connecting sleeve is provided at the upper end of the outer casing 16, which is used to connect to the fixed pipe 3 via the second bolt 7. A fifth notch 165 is provided at the upper end of the outer casing 16 for threading the working cable 19 and the spare running rope 20. The working cable 19 is later threaded into the shuttle 31 to form a fixed structure and meet the functional requirements. A first limiting groove 161 adapted to the measuring wheel 15 is provided on the inner wall of the outer casing 16 near the cavity. A third notch 162 is also provided on the side wall of the outer casing 16 at the position of the second notch 1312 of the measuring tape wheel 13, for the measuring end of the measuring tape wound on the measuring tape wheel 13 to pass through, so that the measuring end of the measuring tape can extend from the third notch 162 to the outside of the structural cavity 2 for mechanical display. A fourth notch 163 is also provided on the side wall of the outer casing 16 at the position of the wire hole 153 of the measuring wheel 15, for the wire to pass through. A through hole for the locking wheel 17 to be inserted is provided on the inner wall of the outer casing 16 at the center of the first limiting groove 161.

[0074] like Figure 13 , Figure 14 As shown, the locking wheel 17 is inserted into the through hole of the housing 16 from the side of the housing 16 away from the structural cavity cover 11 (i.e., the back side of the housing 16). One end of the locking wheel 17 protrudes outward at its center and has a spring groove 171 for inserting a spring. Multiple internal hexagonal holes 172 are arranged in an equal ring around the spring groove 171 on one side of the locking wheel 17 as tightening holes. After inserting the spring, rotating the locking wheel 17 agitates the spring to generate preload. Once the preload is reached, the locking wheel 17 is secured to the housing.

[0075] In a preferred but non-limiting embodiment of the present invention, the inner wall of the outer shell 16 is provided with two first limiting grooves 161 corresponding to the positions of the two measuring wheels 15, and the inner wall of the outer shell 16 is provided with a second limiting groove 164 for limiting the steel wire at the middle position of the two first limiting grooves 161.

[0076] Electrical cavity 1 is used to install electronic components such as digital displays, potentiometers, and circuit boards, and a sealing effect must be ensured.

[0077] Specifically, such as Figure 15 , Figure 16 As shown, the electrical cavity 1 includes: an electrical cavity cover 21, a circuit board 22, a potentiometer 23, and an electrical cavity housing 24.

[0078] An opening is provided on one side of the electrical cavity housing 24, and the electrical cavity cover 21 covers the opening side of the electrical cavity housing 24 to seal the electrical cavity and serve as the product cover, with silkscreen markings and product model.

[0079] Circuit board 22 is disposed inside electrical cavity housing 24. Circuit board 22 is equipped with a digital display screen that can display the displacement and has remote control function. Electrical cavity housing 24 is provided with a display window for observing the digital display screen reading.

[0080] Potentiometer 23 is disposed inside the electrical cavity housing 24, with its sensing end penetrating the housing 24 and inserted into a through hole in the structural cavity cover 11, connecting to the flat round hole sleeve 14 located on the measuring wheel 15. Potentiometer 23, circuit board 22, and digital display screen constitute a digital display mechanism. When the working cable 19 is displaced, the measuring wheel 15 rotates following the movement of the working cable 19, thereby causing the sleeve 14 to rotate synchronously with the measuring wheel 15. By connecting the sensing end of potentiometer 23 to the sleeve 14, the potentiometer core rotates with the sleeve 14. Potentiometer 23 collects the rotation signal of the potentiometer core and converts it into an electrical signal, thus obtaining the displacement length of the working cable 19, which is then digitally displayed on the digital display screen.

[0081] The electrical housing 24 is completely sealed and equipped with a buzzer, which is used to sound an alarm when the displacement of the working cable exceeds a set threshold. A battery compartment 25 is provided on one side inside the electrical housing 24 for installing batteries.

[0082] like Figure 1 , Figure 17 , Figure 18 As shown, during use, the fixing pipe 3 is inserted entirely into the roof of the mine roadway to be measured, serving as a fixing point. The fixing pipe 3 includes: a sliding shuttle 31, a pipe joint 32, a rubber head fixing sleeve 33, and a fixing pipe body 34.

[0083] The pipe connector 32 is fixed in the upper hole of the outer casing 16 and fastened with screws. The other end is used to fix the pipe body 34. The pipe connector 32 has a dual-channel structure inside. The slide shuttle 31 is slidably disposed inside the pipe connector 32, and each channel in the pipe connector 32 allows one slide shuttle 31 to slide. The two channels are separated by a second partition, and the end of the second partition is provided with a tapered bevel, so that the slide shuttle 31 can slide smoothly and prevent jamming.

[0084] Each shuttle 31 is used to fix a working cable 19 and a running rope 20. The working cable 19 and the running rope 20, extending from the structural cavity 13, both extend into the pipe joint 32, pass through the reserved holes in the shuttle 31, and can slide within the holes. After selecting a suitable length, they are detachably connected to the shuttle 31 by screws. By tightening the screws, the shuttle 31 is secured to the working cable 19 and the running rope 20. If displacement occurs during use due to separation of the mining equipment, the running rope will pull the shuttle 31, which in turn will cause the working cable to move.

[0085] The rubber head fixing sleeve 33 is fitted onto the fixing pipe body 34, with its lower end flush with the pipe connector 32, and has a barbed structure. During use, it is inserted into the ceiling or wall, and the barbed structure prevents it from falling off.

[0086] The fixed tube body 34 is fastened to the pipe joint 32 by screws and is the main structure inserted into the top plate cavity. The interior of the fixed tube body 34 is divided into two independent cavities by the first partition 341. Two sliding shuttles 31 can enter the interior of the fixed tube 34 from the inside of the pipe joint 32 and slide in their respective cavities to prevent interference.

[0087] In the non-working state, the small end of the sliding shuttle 31 is close to the outer shell 16 of the structural cavity, and in the working state, the lower limit is located at the step at the end of the fixed tube body 34.

[0088] The measuring anchor 4 is used to insert into two points on the object being measured, typically a near and a far point. Therefore, in a preferred but non-limiting embodiment of the invention, two measuring anchors 4, two spare reels 5, two working cables 19, and two running ropes 20 are provided. Two sets of measuring wheels 15, measuring tape wheels 13, and pressure plates 12 are also provided, symmetrically arranged inside the structural cavity 2, for mounting two measuring tapes and two running ropes 20 respectively. Correspondingly, two potentiometers 23 are also provided, each connected to one of the two measuring wheels 15, and both potentiometers 23 are connected to the circuit board 22. The digital display screen can display the detection results of the two potentiometers 23. Figure 19 As shown, the working cable 19 is responsible for cable stretching within the measuring range. One end of the working cable 19 is fixed to the shuttle 31 by screw II, and the other end is wound around the measuring wheel 15 inside the structural cavity 2. The guide rope 20 is stored in the spare line wheel 5. The guide rope 20 passes through the outer shell 16 of the structural cavity and the shuttle 31, and one end passes through the measuring anchor head 4. When the guide rope 20 reaches the predetermined measuring area, it is locked by screw I set on the shuttle 31.

[0089] This embodiment provides a mining delamination measurement and display device. In practical applications, two measuring anchor heads 4 are inserted into the delamination at different depths and positions. If delamination deviation occurs, the barbed measuring anchor head 4 will drive the rope 20 to pull the shuttle 31, which in turn drives the working cable 19 to be stretched. After the working cable 19 is stretched, it drives the measuring wheel 15 to rotate, thereby applying a tightening force to the internal spring. Figure 4 As shown, during the rotation of the measuring wheel 15, it drives the measuring tape wheel 13, causing the steel measuring tape wound on the measuring tape wheel 13 to release force, resulting in the measuring end of the measuring tape extending out of the structural cavity to form a mechanical display. The extension of the measuring tape can be observed with the naked eye. When the device is installed on the top of the tunnel, this display is also very intuitive. Meanwhile, as... Figure 5 As shown, the rotation of the measuring wheel 15 drives the potentiometer inside the electrical cavity to generate an electrical signal. This signal is analyzed by the circuit board and finally displayed on the digital display screen of the device itself. The electrical signal can also be transmitted to the monitoring substation for alarm purposes.

[0090] The mine delamination measurement and display device provided in this embodiment can be used and disassembled as needed after installation, and multiple disassembly and recycling methods are available. After the complete usage settings are configured, it is called State I, where the device has mechanical display, digital display, and data upload functions; at this time, none of the parts are recycled or disassembled. The electrical cavity can be selectively disassembled and recycled, which is called State II. Figure 2 As shown, removing the fastening screws of the electrical cavity and structural cavity allows for the recycling and reuse of valuable components such as the circuit board and potentiometer within the electrical cavity. In this state, the device still retains its mechanical display function and can monitor for power failure. Alternatively, the electrical cavity and structural cavity can be disassembled and recycled. Removing the fastening screws of the fixing tube and cutting the working cable separates the fixing tube from the structural cavity; this is referred to as State III. Figure 3 As shown, not only the circuit board and potentiometer can be recycled, but also structural components such as the measuring tape and springs can be recycled and reused. In this case, the device no longer has a display function and is used when the monitoring point is abandoned. Segmented disassembly and recycling allows for greater flexibility and can be applied according to actual needs, minimizing recycling costs.

[0091] During use, the mining separation measurement and display device provided in this embodiment of the invention is subjected to tensile force. This tensile force acts on the measuring wheel 15, causing it to deflect and tilt its centerline. This results in friction between the measuring wheel 15 and the pressure plate 12, causing jamming. Simultaneously, the tape measure extension function is also obstructed. Therefore, this embodiment adds a bearing 18 inside the structural cavity. The bearing 18 is preferably a needle roller bearing, positioned between the narrow end of the measuring wheel 15 and the step on the structural cavity cover 11. This provides simple limiting and anti-deviation functions. When the measuring wheel 15 deflects under force, its outer wall adheres tightly to the needle roller bearing, converting sliding friction into rolling friction, reducing the force, and preventing jamming.

[0092] Embodiment 2 of the present invention provides a method for measuring delamination in mines, using the delamination measuring and display device provided in Embodiment 1, and includes the following steps:

[0093] Insert the fixed pipe 3 into the fixed point of the mine roadway, and insert the measuring anchor 4 into the separation measuring point;

[0094] When delamination occurs at the measurement point, the measurement anchor head 4 drives the shuttle 31 to slide inside the fixed tube 3 via the rope 20, and the working cable 19 is displaced by the shuttle 31.

[0095] The displacement of the working cable 19 is converted into a mechanical display by a mechanical display mechanism, and into a digital display by a digital display mechanism, allowing workers to intuitively perceive the delamination situation in the mine. The beneficial effects of this invention, compared to existing technologies, are as follows: By setting up a rope, this invention can convert the movement of the measuring anchor point into the movement of a shuttle, and by connecting the shuttle to the working cable, this invention can obtain the delamination situation at the measuring anchor point by measuring the displacement of the working cable. Compared to the existing technology where the measuring anchor point drives a spring to move, and the spring then drives a potentiometer to generate an electrical signal, this invention has a more reasonable structure, simpler installation, and is less prone to failure. Furthermore, the simultaneous use of mechanical and digital displays improves the reliability of delamination measurement and facilitates observation of the delamination situation within the mine roadway.

[0096] Furthermore, this invention winds the working cable around a measuring wheel, which in turn drives the measuring tape wheel of the mechanized display mechanism to rotate. This causes the measuring end of the measuring tape wound on the measuring tape wheel to extend out of the structural cavity, thus visually displaying the displacement of the working cable by the amount of tape extension, thereby reflecting the delamination situation in the mine roadway. This mechanized display mechanism is not only simple in structure and highly reliable, but also facilitates the observation of delamination conditions.

[0097] Furthermore, the digital display mechanism of this invention is equipped with a potentiometer. The potentiometer core is connected to the measuring wheel via a rubber sleeve. By rotating synchronously with the rubber sleeve, the rotation signal of the potentiometer core can be obtained, converted into an electrical signal, and displayed on the digital display screen. Compared to directly connecting the potentiometer core to the working cable, this method offers a more stable connection, better transmission performance, less susceptibility to failure, and more sensitive and rapid response.

[0098] In addition, to further facilitate the adjustment of the mechanized display mechanism, the present invention also installs a tightening wheel on the outer shell of the structural cavity. By setting the tightening wheel, it is convenient to apply preload to the spring located inside the measuring wheel, thereby facilitating the adjustment of the position and angle of the measuring wheel, and thus facilitating the adjustment of the extension amount and initial position of the working cable.

[0099] To further facilitate the recycling of the mining delamination measurement and display device, the structural cavity and electrical cavity, as well as the structural cavity and fixed pipe of the present invention, are detachably connected, thereby making it easy to disassemble the device into multiple sections for recycling.

[0100] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the specific implementation of the present invention. Any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.

Claims

1. A mine bed separation measuring and display device comprising: The measuring anchor head (4) and the rope (20) are measured, and the measuring anchor head (4) is used for inserting into a mine separation layer to be measured, characterized in that: The mine separation layer measuring and displaying device further comprises: The fixed pipe (3) is movably provided with a shuttle (31) in the inside, and the shuttle (31) is connected with the measuring anchor head (4) through the rope (20); The fixed pipe (3) comprises the shuttle (31), a pipe joint (32), a rubber head fixing sleeve (33) and a fixed pipe body (34); one end of the pipe joint (32) is connected with the fixed pipe body (34), and the other end is detachably connected with the structural cavity (2); the inside of the pipe joint (32) and the fixed pipe body (34) is provided with a slide way for sliding of the shuttle (31); the shuttle (31) is movably arranged in the inside of the slide way in the inside of the pipe joint (32) and can slide into the slide way in the fixed pipe body (34); the rubber head fixing sleeve (33) is sleeved on the outside of the fixed pipe body (34) and is used for inserting into a mine roadway roof to prevent the fixed pipe (3) from falling off; The structural cavity (2) is connected with the fixed pipe (3), and the inside of the structural cavity (2) is provided with a mechanical display mechanism; the mechanical display mechanism is connected with the shuttle (31) through a working cable (19) and is used for converting displacement generated when the measuring anchor head (4) drives the shuttle (31) to move into mechanical display; The mechanical display mechanism comprises a tape measure and a tape measure wheel (13) for winding the tape measure; the tape measure wheel (13) is arranged in the inside of the structural cavity (2) and is coaxially connected with a measuring wheel (15) arranged in the inside of the structural cavity (2) and used for winding the working cable (19); the shell (16) of the structural cavity (2) is further provided with a third gap (162) for the measuring end of the tape measure to pass through; the side of the measuring wheel (15) close to the tape measure wheel (13) is provided with a narrow head (151) penetrating the tape measure wheel (13) and used for mounting a rubber sleeve (14); the structural cavity cover (11) of the structural cavity (2) is provided with a through hole corresponding to the position of the rubber sleeve (14); the through hole is used for inserting a detection end of a digital display mechanism into the structural cavity (2) and connecting with the rubber sleeve (14); The digital display mechanism comprises a digital display screen and a potentiometer (23); the digital display screen is arranged on a circuit board (22) arranged in the inside of the electrical cavity (1), and the electrical cavity shell (24) of the electrical cavity (1) is provided with a display window; the potentiometer (23) is arranged in the inside of the electrical cavity (1), the detection end of the potentiometer (23) penetrates the electrical cavity shell (24) and is inserted into the through hole of the structural cavity (2) and connected with the rubber sleeve (14), and is used for converting the rotation signal of the measuring wheel (15) into an electric signal for digital display of separation layer change; The electrical cavity (1) is connected with the structural cavity (2), and the electrical cavity (1) is provided with a digital display mechanism; the detection end of the digital display mechanism is inserted into the inside of the structural cavity (2) and is used for converting the displacement signal generated by the working cable (19) driven by the measuring anchor head (4) into an electric signal and performing digital display.

2. The mine bed separation measurement and display device according to claim 1, characterized in that: the tape wheel (13) comprises a circular ring (131) and a boss (132); the side wall of the circular ring (131) is provided with a second notch (1312), and the side of the boss (132) close to the second notch (1312) is provided with a baffle (1322) for limiting and fixing the measuring end when the measuring end of the tape passes through the second notch (1312).

3. The mine bed separation measurement and display device according to claim 2, characterized in that: the inside of the tape wheel (13) is uniformly provided with three protrusions (1311) at equal intervals for hand twisting to apply a pre-tightening force, and each protrusion (1311) is fixedly connected with the circular ring (131) and the boss (132).

4. The mine bed separation measurement and display device according to any one of claims 1-3, characterized in that: the outer ring of the measuring wheel (15) is provided with a plurality of steel wire holes (153) along the axial direction for inserting and limiting the end of the working cable (19); and the inside of the measuring wheel (15) is used for storing a clockwork spring, and the inner side of the measuring wheel (15) is provided with a spring clamping groove (154) for locking the spring head of the clockwork spring.

5. The mine bed separation measurement and display device according to claim 4, characterized in that: the shell (16) of the structure cavity (2) is provided with a center hole close to the side wall of the measuring wheel (15) for installing a locking wheel (17); one end of the locking wheel (17) is inserted into the center hole from the outside of the shell (16) and extends into the inside of the measuring wheel (15), and the end is provided with a spring groove (171) for inserting and fixing the spring head of the clockwork spring; a plurality of tightening holes (172) are arranged in a circular ring array around the locking wheel (17) to facilitate applying a tightening force to the clockwork spring.

6. The mine bed separation measurement and display device according to any one of claims 1-3, characterized in that: the inside of the structure cavity (2) is further provided with a pressing plate (12) for limiting the tape wheel (13) and the measuring wheel (15); the pressing plate (12) covers the outside of the tape wheel (13) and the measuring wheel (15), and the pressing plate (12) is provided with a steel wire groove (121) corresponding to the side wall of the measuring wheel (15) and a first notch (122) corresponding to the side wall of the tape wheel (13) for the measuring end of the tape to extend out.

7. The mine bed separation measurement and display device according to any one of claims 1-6, characterized in that: the mine bed separation measurement and display device further comprises a spare line wheel (5); the rope (20) is wound and stored in the spare line wheel (5) at one end, and the other end passes through the structure cavity (2) and the fixed tube (3) and is connected with the measuring anchor head (4).

8. A method of measuring the bed separation in a mine using the mine bed separation measuring and display device according to any one of claims 1 to 7, characterized by, including the following steps: inserting the fixed tube (3) into the fixed point of the mine roadway and inserting the measuring anchor head (4) into the bed separation measurement point; When the measuring point appears off-layer, the measuring anchor head (4) drives the shuttle (31) to slide in the fixed pipe (3) through the rope (20), and drives the working cable (19) to produce displacement through the shuttle (31); The displacement of the working cable (19) is converted into mechanical display through a mechanical display mechanism, and the displacement of the working cable (19) is converted into digital display through a digital display mechanism, so that the staff can intuitively feel the mine off-layer condition.

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