Mine filling pipeline pressure monitoring sensor protection structure

Abstract

The invention provides a mine filling pipeline pressure monitoring sensor protection structure, and relates to the technical field of pressure sensor protection, the mine filling pipeline pressure monitoring sensor protection structure comprises a sensor main body, a protection shell, a dustproof mechanism, an observation mechanism and a dust removal assembly, the sensor main body is arranged in the protection shell, and the top of the protection shell is provided with the observation mechanism with a transparent plate; dustproof mechanisms are arranged at the side wall ventilation openings. The driving mechanism synchronously drives the driving mechanism and the cleaning mechanism to work, the cleaning mechanism moves in the axial direction of the transparent plate to sweep dust, a bidirectional brush body of the cleaning mechanism is attached to the two sides of the dustproof mechanism to brush and sweep, and the vibration knocking assembly synchronously moves to knock the bottom of the dustproof mechanism to shake off accumulated dust. The structure further comprises a fixing assembly, a heat dissipation assembly and an anti-collision assembly, the multiple assemblies cooperate, stable installation of the sensor, visual state checking, efficient dust removal, heat dissipation and anti-collision protection are achieved, the stability of the sensor in the complex mine environment is improved, and the service life of the sensor in the complex mine environment is prolonged.

Description

Technical Field

[0001] This invention relates to the field of pressure sensor protection technology, and in particular to a protective structure for a pressure monitoring sensor in a mine filling pipeline. Background Technology

[0002] Mine backfilling is an effective way to address safety hazards in goaf areas formed by underground mining and prevent secondary geological disasters. Pipeline transportation, as the main mode of transporting backfill slurry, directly determines the safety and efficiency of backfilling operations through its operational stability. Mine backfilling pipeline pressure is a core parameter reflecting the slurry flow state and pipeline operating conditions. It not only directly affects the strength and quality of the backfill material but is also a crucial basis for predicting pipeline blockages, leaks, and bursts.

[0003] The goaf has a large exposed area and a wide roof span. If a blockage occurs in the filling pipeline, the slurry will solidify and harden within 4 to 8 hours. This not only renders the pipeline unusable and significantly increases the cost of unblocking, but also interrupts normal production processes, causing serious economic losses. Furthermore, the particle ejection caused by pressure release during the unblocking process directly threatens the lives of underground workers. At the same time, solid-liquid separation and pipe wall agglomeration caused by excessively low slurry flow rate, or pipe wall thinning caused by aggregate wear, can all provide early warning through pressure changes. Therefore, real-time and accurate monitoring of the filling pipeline pressure is a core element in ensuring mine production safety and improving the reliability of the filling system.

[0004] To protect pressure monitoring sensors from unstable operation in complex mining environments, Chinese Patent Publication No. CN221976331U discloses a pressure sensor protective device, including a housing. This invention solves the problem that pressure sensors are easily impacted during use due to the lack of external buffering structure, affecting their lifespan. The existing technical solutions described above have the following drawbacks: although some protective devices are equipped with heat dissipation structures, the dust filter screens accumulate a large amount of dust over long-term use, and the lack of an effective cleaning mechanism leads to clogging of the screens, severely affecting heat dissipation and consequently impacting the sensor's operational stability and lifespan. Furthermore, most existing protective devices lack dedicated observation windows. If workers need to check the sensor's operating status, they must disassemble the protective device, which is cumbersome, easily introduces additional dust, and may affect the continuity of filling operations, causing numerous inconveniences in practical use.

[0005] Based on the shortcomings of the existing technology, there is an urgent need for a protective structure for pressure monitoring sensors in mine filling pipelines that has the function of cleaning dust-proof netting and has an observation window, so as to solve the problems of heat dissipation effect being easily affected by dust and sensor status not being easy to check in the existing protective devices, and to meet the actual needs of mine filling operations. Summary of the Invention

[0006] In view of this, the purpose of the present invention is to provide a protective structure for a pressure monitoring sensor in a mine filling pipeline, which comprehensively improves the protection reliability and ease of use of the pressure monitoring sensor by integrating multiple components to work together.

[0007] The technical solution adopted by this invention to solve its technical problem is:

[0008] A protective structure for a pressure monitoring sensor in a mine filling pipeline is provided, comprising: a sensor body, a protective shell, a dustproof mechanism, an observation mechanism, and a dust removal component; the sensor body is disposed within the protective shell, and the observation mechanism, dustproof mechanism, and dust removal component are disposed on the protective shell; the observation mechanism is disposed on the top of the protective shell and covered with a transparent plate; the dustproof mechanism is disposed at a ventilation opening on the side wall of the protective shell; the dust removal component includes a driving mechanism, a cleaning mechanism and a sweeping mechanism synchronously driven by the driving mechanism; the cleaning mechanism can move axially along the transparent plate by the driving mechanism and can clean the surface of the transparent plate; the sweeping mechanism includes a bidirectional brush and a vibration tapping component, the bidirectional brush corresponding to the front and rear sides of the dustproof mechanism, the vibration tapping component corresponding to the bottom of the dustproof mechanism, and both the bidirectional brush and the vibration tapping component can move horizontally synchronously by the driving mechanism to achieve brushing and vibration dust removal of the dustproof mechanism.

[0009] Preferably, the sensor body is fixed inside the protective shell by means of a limiting member and a fixing component; the fixing component includes a side frame, a fixing bolt and a sealing plate, the side frame is detachably installed at the opening end of the protective shell by the fixing bolt, the sealing plate is disposed inside the side frame and can extend into the interior of the protective shell, and its side edge can fit against the inner wall of the protective shell, the sealing plate has an adapter through hole for one end of the sensor body to pass through, and the limiting member is fixed to the inner wall of the protective shell and abuts against the other side of the sensor body.

[0010] Preferably, the observation mechanism further includes two limiting frames, which are symmetrically fixed to the top of the protective shell. The transparent plate is movably installed between the two limiting frames and its bottom is attached to the top of the protective shell. An observation window is provided on the top wall of the protective shell, which is located between the two limiting frames and corresponds to the top and bottom of the transparent plate.

[0011] Preferably, the drive mechanism includes a mounting box, a servo motor, a threaded rod, and a threaded block. The mounting box is fixed to the top of the protective shell side plate and located at the upper end of the dustproof mechanism. The servo motor is fixed inside the mounting box. One end of the threaded rod is fixedly connected to the output shaft of the servo motor, and the other end is rotatably connected to the inner wall of the mounting box. The threaded block is threaded on the outside of the threaded rod and can move axially along the threaded rod as it rotates.

[0012] Preferably, the cleaning mechanism includes a connecting rod, a horizontal plate, and a cleaning brush. One end of the connecting rod is fixedly connected to the top of the threaded block, and the other end passes through the sliding groove at the top of the mounting box and extends to the top of the transparent plate. The horizontal plate is fixed to the bottom of the connecting rod at the end away from the threaded block, and the cleaning brush is fixed to the bottom of the horizontal plate and fits against the top of the transparent plate.

[0013] Preferably, the bidirectional brush body includes a vertical rod, a strip plate, a bracket, a first upright plate, a first brush body, a base frame, a second upright plate, and a second brush body; one end of the vertical rod is fixedly connected to the bottom of the threaded block, and the other end passes through the sliding groove at the bottom of the mounting box and is fixedly connected to the strip plate; the strip plate passes through the axial sliding groove of the protective shell side plate and extends to the inner side of the protective shell, and is located above the dustproof mechanism; the bracket and the base frame are symmetrically arranged on the inner and outer sides of the protective shell side plate, and are located below the dustproof mechanism; the first upright plate and the second upright plate are slidably mounted on the bracket and the base frame, and their upper ends are fixedly connected to the bottom of the strip plate; the first brush body and the second brush body are fixed to the side of the first upright plate and the second upright plate near the dustproof mechanism, and can respectively fit against the two sides of the dustproof mechanism.

[0014] Preferably, the vibration striking assembly includes a crossbar, striking blocks, a baffle, a telescopic spring, a vertical rod, and triangular blocks. The crossbar slides through the lower end of the second vertical plate. The striking blocks are fixed to the end of the crossbar near the dustproof mechanism. The baffle is vertically positioned at the end of the crossbar away from the dustproof mechanism. The telescopic spring is sleeved on the outside of the crossbar, with both ends abutting against the baffle and the second vertical plate, respectively. The vertical rod is fixed to the bottom of the baffle. The triangular blocks are equidistantly positioned on the base frame along the moving direction of the strip plate. When the vertical rod moves horizontally with the strip plate, it abuts against the triangular blocks and drives the crossbar to move away from the dustproof mechanism. After disengaging from the abutment, the telescopic spring returns to its original position, driving the striking blocks to strike the fixed plate to generate vibration.

[0015] Preferably, the dustproof mechanism includes a mounting hole, a dust baffle plate, and a fixing plate; the mounting hole is opened on the side plate of the protective shell and forms a ventilation opening; the dust baffle plate is movably installed inside the mounting hole; the fixing plate is fixed to the bottom of the dust baffle plate and fits against the bottom wall of the mounting hole; the two sides of the dust baffle plate are respectively fitted against the first brush body and the second brush body; and the fixing plate at the bottom corresponds to the striking block.

[0016] Preferably, a heat dissipation assembly is provided on the side plate of the inner wall of the protective shell away from the dustproof mechanism. The heat dissipation assembly includes an outer box, a cooling fan, and a dustproof net. The outer box is fixed to the side wall of the protective shell and extends to the outside of the protective shell. The cooling fan is fixed inside the outer box. The dustproof net is movably installed at the opening on the side of the outer box away from the protective shell.

[0017] Preferably, the protective shell is provided with an anti-collision assembly, which includes a rectangular frame, a vertical plate, a buffer spring, a connecting plate, and an anti-collision plate. The rectangular frame is fixed on the front and rear sides of the protective shell. The vertical plate is slidably installed between the upper and lower sides of the inner wall of the rectangular frame. The buffer spring is connected between the left side of the vertical plate and the left side of the inner wall of the rectangular frame. The connecting plate is fixed on the right side of the vertical plate and extends to the outside of the rectangular frame. The anti-collision plate is fixed on the right side of the two connecting plates and covers the corresponding sides of the protective shell to withstand external impacts.

[0018] The beneficial effects of this invention are:

[0019] This invention provides a protective structure for a pressure monitoring sensor in a mine filling pipeline. By integrating multiple components working collaboratively, it comprehensively improves the protection reliability and ease of use of the pressure monitoring sensor. The observation mechanism, combined with the cleaning mechanism, allows for intuitive viewing of the sensor's status and automatically cleans dust from the transparent plate surface, preventing obstruction of vision and enabling monitoring of equipment operation without disassembling the protective structure. The dust removal component synchronously drives the cleaning and dust removal mechanisms via a single drive mechanism. While cleaning the observation window, it uses a bidirectional brush to sweep the dust removal mechanism from both the front and back sides. Combined with the periodic vibration of the vibration and tapping component, it efficiently shakes off stubborn dust, ensuring the dust removal mechanism remains unobstructed for extended periods, guaranteeing heat dissipation and sensor operational stability. The combination of the fixing component and the limiting component not only ensures stable sensor installation but also reduces dust and moisture intrusion through a sealing design. The anti-collision component effectively absorbs external impact energy, preventing sensor damage from collisions, while the heat dissipation component quickly dissipates heat from the protective shell, preventing sensor malfunction due to high temperatures. Attached Figure Description

[0020] Figure 1 This is a three-dimensional view of the structure of the present invention;

[0021] Figure 2 This is an exploded cross-sectional view of a portion of the structure of the present invention;

[0022] Figure 3 This is an exploded cross-sectional view of a portion of the structure of the present invention;

[0023] Figure 4 This is an exploded cross-sectional view of a portion of the structure of the present invention;

[0024] Figure 5 This is a right-side exploded cross-sectional view of a partial structure of the present invention;

[0025] Figure 6 This is a bottom-view sectional perspective view of a partial structure of the present invention;

[0026] Figure 7 This is a perspective cross-sectional view of a portion of the structure of the present invention;

[0027] Figure 8This is a three-dimensional cross-sectional view of a portion of the structure of the present invention.

[0028] In the diagram: 1. Protective shell; 2. Anti-collision assembly; 21. Rectangular frame; 22. Vertical plate; 23. Buffer spring; 24. Connecting plate; 25. Anti-collision plate; 3. Fixing assembly; 31. Side frame; 32. Fixing bolt; 33. Sealing plate; 4. Heat dissipation assembly; 41. Outer box; 42. Cooling fan; 43. Dustproof net; 5. Observation mechanism; 51. Limiting frame; 52. Observation window; 53. Transparent plate; 6. Drive mechanism; 61. Mounting box; 62. Servo motor; 63. Threaded rod; 64. Threaded block; 7. Cleaning mechanism; 71 71. Connecting rod; 72. Horizontal plate; 73. Cleaning brush; 8. Cleaning mechanism; 801. Vertical rod; 802. Strip plate; 803. Bracket; 804. First upright plate; 805. First brush body; 806. Base frame; 807. Second upright plate; 808. Second brush body; 809. Horizontal rod; 810. Striking block; 811. Baffle; 812. Telescopic spring; 813. Upright rod; 814. Triangular block; 9. Dustproof mechanism; 91. Mounting hole; 92. Dust baffle; 93. Fixing plate; 10. Sensor body; 11. Limiting component.

[0029] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the invention in any way, but rather to illustrate the concept of the invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] like Figure 1As shown, a protective structure for a pressure monitoring sensor in a mine filling pipeline includes: a sensor body 10, a protective shell 1, a dustproof mechanism 9, an observation mechanism 5, and a dust removal assembly. The sensor body 10 is disposed inside the protective shell 1. The protective shell 1 is provided with the observation mechanism 5, the dustproof mechanism 9, and the dust removal assembly. The observation mechanism 5 is disposed on the top of the protective shell 1 and covered with a transparent plate 53. The dustproof mechanism 9 is disposed at a ventilation opening on the side wall of the protective shell 1. The dust removal assembly includes a driving mechanism 6, and a cleaning mechanism 7 and a sweeping mechanism 8 driven synchronously by the driving mechanism 6. The cleaning mechanism 7 can move axially along the transparent plate 53 by the driving mechanism 6 and can clean the surface of the transparent plate 53. The sweeping mechanism 8 includes a bidirectional brush and a vibration striking assembly. The bidirectional brush is attached to the front and rear sides of the dustproof mechanism 9, and the vibration striking assembly is disposed at the bottom of the dustproof mechanism 9. Both the bidirectional brush and the vibration striking assembly can move horizontally synchronously by the driving mechanism 6 to achieve brushing and vibration dust removal of the dustproof mechanism 9.

[0032] It should be noted that the protective shell 1 serves as a supporting base, providing a closed protective space for the sensor body 10. The sensor body 10 is placed inside to realize the function of monitoring the pressure of the mine filling pipeline. The observation mechanism 5 is located on the top of the protective shell 1, and its transparent plate 53 provides a clear view for observing the sensor status, meeting the requirement of viewing without disassembly. The dustproof mechanism 9 is located at the ventilation opening on the side wall of the protective shell 1, which can block external dust from entering the interior of the protective shell 1 and prevent dust from affecting the operation of the sensor. The drive mechanism 6 in the dust removal assembly provides the power source for the entire cleaning operation. When it runs, it simultaneously drives the removal mechanism 7 and the cleaning mechanism 8. Driven by the drive mechanism 6, the removal mechanism 7 moves axially along the transparent plate 53 and cleans the attached dust by contacting and rubbing against the surface of the transparent plate 53, ensuring that the field of view is always clear. The bidirectional brushes of the cleaning mechanism 8 are respectively attached to the front and rear sides of the dustproof mechanism 9. Driven by the drive mechanism 6, they move horizontally to thoroughly clean the dustproof mechanism 9. At the same time, the vibration and knocking component moves horizontally synchronously under the action of the drive mechanism 6, shaking off the stubborn dust on the dustproof mechanism 9 through the vibration. The two work together to achieve efficient cleaning of the dustproof mechanism 9, ensure unobstructed ventilation, and ensure stable operation of the sensor in the complex environment of the mine.

[0033] Furthermore, such as Figure 2As shown, the sensor body 10 is fixed inside the protective shell 1 by the cooperation of the limiting member 11 and the fixing component 3; the fixing component 3 includes a side frame 31, a fixing bolt 32 and a sealing plate 33. The side frame 31 is detachably installed at the opening end of the protective shell 1 by the fixing bolt 32. The sealing plate 33 is disposed inside the side frame 31 and can extend into the interior of the protective shell 1, and its side edge can fit against the inner wall of the protective shell 1. The sealing plate 33 has an adapter through hole for one end of the sensor body 10 to pass through. The limiting member 11 is fixed to the inner wall of the protective shell 1 and abuts against the other side of the sensor body 10.

[0034] It should be noted that the limiting component 11 is fixed to the inner wall of the protective shell 1, and achieves lateral limiting by abutting against one side of the sensor body 10, preventing the sensor body 10 from shifting left or right inside the protective shell 1; the side frame 31 in the fixing component 3 is detachably installed at the opening end of the protective shell 1 by the fixing bolt 32, which facilitates the installation and subsequent maintenance of the sensor body 10. The fixing bolt 32 passes through the side frame 31 and connects to the protective shell 1, firmly fixing the side frame 31 to the protective shell 1; the sealing plate 33 inside the side frame 31 extends into the interior of the protective shell 1, and its side edge fits tightly against the inner wall of the protective shell 1, forming a sealed environment and reducing the entry of external dust and moisture into the interior of the protective shell 1, which affects the operation of the sensor; the adapter through hole opened on the sealing plate 33 allows one end of the sensor body 10 to pass through, which not only provides an installation channel for the sensor body 10, but also achieves partial sealing through the fit between the through hole and the sensor body 10. Together with the limiting component 11, it achieves stable installation and protection of the sensor body 10 inside the protective shell 1.

[0035] Furthermore, such as Figure 4 As shown, the observation mechanism 5 also includes two limiting frames 51, which are symmetrically fixed to the top of the protective shell 1. The transparent plate 53 is movably installed between the two limiting frames 51 and its bottom is attached to the top of the protective shell 1. The top wall of the protective shell 1 has an observation window 52, ​​which is located between the two limiting frames 51 and corresponds vertically to the transparent plate 53.

[0036] It should be noted that the two limiting frames 51 of the observation mechanism 5 are symmetrically fixed to the top of the protective shell 1, forming a stable mounting frame for accommodating and positioning the transparent plate 53. The transparent plate 53 is movably installed between the two limiting frames 51, with its bottom fitting snugly against the top of the protective shell 1. This design ensures the stability of the transparent plate 53 and makes it easy to remove it for replacement or deep cleaning when needed. The observation window 52, ​​located on the inner top wall of the protective shell 1, is situated between the two limiting frames 51 and precisely corresponds to the transparent plate 53 above in the vertical direction, allowing light to pass unobstructed through the transparent observation window 52 and the transparent plate 53, thus providing a clear and direct visual channel to the outside. This allows staff to continuously and conveniently observe the working status and appearance of the sensor body 10 placed inside the shell without opening the protective shell 1.

[0037] Furthermore, such as Figure 6 As shown, the drive mechanism 6 includes a mounting box 61, a servo motor 62, a threaded rod 63, and a threaded block 64. The mounting box 61 is fixed to the top of the side plate of the protective shell 1 and located at the upper end of the dustproof mechanism 9. The servo motor 62 is fixed inside the mounting box 61. One end of the threaded rod 63 is fixedly connected to the output shaft of the servo motor 62, and the other end is rotatably connected to the inner wall of the mounting box 61. The threaded block 64 is threadedly sleeved on the outside of the threaded rod 63 and can move axially along the threaded rod 63 as it rotates.

[0038] It should be noted that the mounting box 61 is fixed to the top of the side plate of the protective shell 1 and located above the dustproof mechanism 9. As the encapsulation and support base of the overall structure, it provides a stable installation environment for the internal moving parts and isolates them from external interference. The servo motor 62 is fixed inside the mounting box 61 and serves as the core power source. After receiving the electrical control signal, it starts and outputs precise and controllable rotational motion. One end of the threaded rod 63 is fixedly connected to the output shaft of the servo motor 62 to directly transmit torque, while the other end is supported on the inner wall of the mounting box 61 through a rotatable connection, thereby converting the rotational motion of the motor into the stable rotation of the screw itself. The threaded block 64, which is threaded on the outside of the threaded rod 63, forms a helical transmission pair with the screw. When the threaded rod 63 is driven to rotate, the threaded block 64 is guided by the thread to generate a precise linear displacement along the screw axis, thereby converting the rotational power into a controllable linear drive output, which in turn provides synchronous and directional motion power for the cleaning mechanism 7 and the cleaning mechanism 8 connected to it.

[0039] Furthermore, such as Figure 4 As shown, the cleaning mechanism 7 includes a connecting rod 71, a horizontal plate 72, and a cleaning brush 73. One end of the connecting rod 71 is fixedly connected to the top of the threaded block 64, and the other end passes through the sliding groove at the top of the mounting box 61 and extends to the top of the transparent plate 53. The horizontal plate 72 is fixed to the bottom of the end of the connecting rod 71 away from the threaded block 64, and the cleaning brush 73 is fixed to the bottom of the horizontal plate 72 and fits against the top of the transparent plate 53.

[0040] It should be noted that one end of the connecting rod 71 is fixedly connected to the top of the threaded block 64 of the drive mechanism 6, and moves synchronously with the axial movement of the threaded block 64. The other end extends through the sliding groove at the top of the mounting box 61 to the top of the transparent plate 53, realizing the transmission of power from the threaded block 64 to other components of the cleaning mechanism 7. The horizontal plate 72 is fixed to the bottom of the end of the connecting rod 71 away from the threaded block 64, providing a stable mounting carrier for the cleaning brush 73, ensuring that the cleaning brush 73 is firmly installed and subjected to uniform force. The cleaning brush 73 is fixed to the bottom of the horizontal plate 72 and fits against the top of the transparent plate 53. When the connecting rod 71 moves with the threaded block 64, the cleaning brush 73 slides synchronously along the axial direction of the transparent plate 53. Through the friction between the bristles and the surface of the transparent plate 53, the dust attached to the transparent plate 53 is swept away, ensuring a clear and unobstructed field of view.

[0041] Furthermore, such as Figure 7 As shown, the bidirectional brush body includes a vertical rod 801, a strip plate 802, a bracket 803, a first upright plate 804, a first brush body 805, a base frame 806, a second upright plate 807, and a second brush body 808. One end of the vertical rod 801 is fixedly connected to the bottom of the threaded block 64, and the other end passes through the sliding groove at the bottom of the mounting box 61 and is fixedly connected to the strip plate 802. The strip plate 802 passes through the axial sliding groove of the side plate of the protective shell 1 and extends to the inside of the protective shell 1, and is located above the dustproof mechanism 9. The bracket 803 and the base frame 806 are symmetrically arranged on the inner and outer sides of the side plate of the protective shell 1, and are located below the dustproof mechanism 9; the first upright plate 804 and the second upright plate 807 are slidably installed on the bracket 803 and the base frame 806, and their upper ends are fixedly connected to the bottom of the strip plate 802; the first brush body 805 and the second brush body 808 are fixed on the side of the first upright plate 804 and the second upright plate 807 near the dustproof mechanism 9, and can respectively fit against the two sides of the dustproof mechanism 9.

[0042] It should be noted that one end of the vertical rod 801 is fixedly connected to the bottom of the threaded block 64 of the drive mechanism 6, and transmits power synchronously with the axial movement of the threaded block 64. The other end passes through the sliding groove at the bottom of the mounting box 61 and is fixed to the strip plate 802, driving the strip plate 802 to move horizontally synchronously. The strip plate 802 extends through the axial sliding groove of the side plate of the protective shell 1 to the inner side of the protective shell 1 and is located above the dustproof mechanism 9, serving as a power distribution carrier to synchronously transmit the power transmitted by the vertical rod 801 to the lower component. The bracket 803 and the base frame 806 are symmetrically fixed on the inner and outer sides of the side plate of the protective shell 1 and are located below the dustproof mechanism 9, forming the first vertical plate 8. 04 and the second vertical plate 807 provide stable sliding support; the first vertical plate 804 and the second vertical plate 807 are slidably installed on the bracket 803 and the base frame 806 respectively, with their upper ends fixed to the bottom of the strip plate 802, and move horizontally synchronously with the strip plate 802, while driving the first brush body 805 and the second brush body 808 fixed thereon to move; the first brush body 805 and the second brush body 808 are respectively fixed to the side of the first vertical plate 804 and the second vertical plate 807 near the dustproof mechanism 9, and are respectively in contact with the two sides of the dustproof mechanism 9, and slide along the surface of the dustproof mechanism 9 under the drive of the vertical plate, so as to realize bidirectional brushing and cleaning of both sides of the dustproof mechanism 9.

[0043] Furthermore, such as Figure 8 As shown, the vibration striking assembly includes a crossbar 809, a striking block 810, a baffle 811, a telescopic spring 812, a vertical rod 813, and a triangular block 814. The crossbar 809 is slidably inserted through the lower end of the second vertical plate 807. The striking block 810 is fixed to the end of the crossbar 809 near the dustproof mechanism 9. The baffle 811 is vertically arranged at the end of the crossbar 809 away from the dustproof mechanism 9. The telescopic spring 812 is sleeved on the outside of the crossbar 809, with both ends... The upright 813 abuts against the baffle 811 and the second upright 807 respectively; the upright 813 is fixed to the bottom of the baffle 811, and the triangular blocks 814 are equidistantly arranged on the base frame 806 along the moving direction of the strip plate 802. When the upright 813 moves horizontally with the strip plate 802, it can abut against the triangular blocks 814 and drive the crossbar 809 to move away from the dustproof mechanism 9. After disengaging, the telescopic spring 812 returns to its original position, driving the striking block 810 to strike the fixed plate 93 to generate vibration.

[0044] It should be noted that the crossbar 809 slides through the lower end of the second vertical plate 807 and can move freely in the horizontal direction, providing a mounting and moving platform for the striking block 810. The striking block 810 is fixed to the end of the crossbar 809 near the dustproof mechanism 9 and moves with the crossbar 809 to achieve the striking action on the dustproof mechanism 9. The baffle 811 is vertically fixed to the end of the crossbar 809 away from the dustproof mechanism 9, which not only restricts the movement range of the crossbar 809, but also provides a mounting base for the telescopic spring 812 and the vertical plate 813. The telescopic spring 812 is sleeved on the outside of the crossbar 809, with both ends abutting against the baffle 811 and the second vertical plate 807 respectively. In its natural state, it remains in a compressed or extended state, providing elastic power for the crossbar 809 to reset. The upright 813 is fixed to the bottom of the baffle 811 and moves horizontally synchronously with the strip plate 802. During its movement, it interacts with the triangular block 814 on the base frame 806. The triangular block 814 is equidistantly arranged on the base frame 806 along the moving direction of the strip plate 802. When the upright 813 moves to contact the triangular block 814, the inclined surface of the triangular block 814 pushes the upright 813, causing the baffle 811 and the crossbar 809 to move away from the dustproof mechanism 9, while compressing the telescopic spring 812. When the upright 813 disengages from the triangular block 814, the telescopic spring 812 releases its elastic potential energy to reset, driving the crossbar 809 and the striking block 810 to move quickly toward the dustproof mechanism 9 and strike it, generating vibration to shake off stubborn dust.

[0045] Furthermore, such as Figure 3 As shown, the dustproof mechanism 9 includes a mounting hole 91, a dust baffle plate 92, and a fixing plate 93. The mounting hole 91 is opened on the side plate of the protective shell 1 and forms a ventilation opening. The dust baffle plate 92 is movably installed inside the mounting hole 91. The fixing plate 93 is fixed to the bottom of the dust baffle plate 92 and fits against the inner bottom wall of the mounting hole 91. The two sides of the dust baffle plate 92 are respectively fitted against the first brush body 805 and the second brush body 808. The fixing plate 93 at the bottom corresponds to the striking block 810.

[0046] It should be noted that the mounting hole 91 is formed on the side plate of the protective shell 1 to create a ventilation opening, providing an air circulation channel for the interior of the protective shell 1 and ensuring heat dissipation. The dust baffle 92 is movably installed inside the mounting hole 91 to prevent external dust from entering the interior of the protective shell 1 through the ventilation opening, thus avoiding dust contamination of the sensor and affecting its working stability. The fixing plate 93 is fixed to the bottom of the dust baffle 92 and fits against the inner bottom wall of the mounting hole 91, providing installation support for the dust baffle 92 and ensuring that the dust baffle 92 is stable in position within the mounting hole 91. It also serves as the striking force point for the vibration striking component. The two sides of the dust baffle 92 are respectively fitted with the bidirectional brush body, facilitating the brush body to thoroughly clean its surface. The fixing plate 93 at the bottom corresponds to the striking block 810, providing a clear striking target for the striking block 810. Through vibration, the stubborn dust accumulated on the dust baffle 92 is shaken off, ensuring that the dust baffle 92 is transparent and does not become clogged.

[0047] Furthermore, a heat dissipation assembly 4 is provided on the side plate of the inner wall of the protective shell 1 away from the dustproof mechanism 9. The heat dissipation assembly 4 includes an outer box 41, a cooling fan 42, and a dustproof net 43. The outer box 41 is fixed to the side wall of the protective shell 1 and extends to the outside of the protective shell 1. The cooling fan 42 is fixed inside the outer box 41. The dustproof net 43 is movably installed at the opening on the side of the outer box 41 away from the protective shell 1 to filter the air entering the outer box 41.

[0048] It should be noted that the outer box 41 is fixed to the side plate of the protective shell 1 away from the dustproof mechanism 9 and extends to the outside of the protective shell 1, providing a stable installation space for the cooling fan 42 and the dustproof net 43, while forming an independent heat dissipation channel; the cooling fan 42 is fixed inside the outer box 41, and after starting, it accelerates the airflow to extract the heat generated by the sensor inside the protective shell 1, thereby achieving cooling and heat dissipation and ensuring that the sensor operates stably at a suitable temperature; the dustproof net 43 is movably installed at the opening on the side of the outer box 41 away from the protective shell 1, filtering the external air entering the outer box 41, preventing dust from entering the outer box 41 and clogging the cooling fan 42 or entering the protective shell 1 and affecting the sensor, and the movable installation design facilitates later disassembly, cleaning or replacement.

[0049] Furthermore, such as Figure 5 As shown, the protective shell 1 is provided with an anti-collision component 2, which includes a rectangular frame 21, a vertical plate 22, a buffer spring 23, a connecting plate 24, and an anti-collision plate 25. The rectangular frame 21 is fixed on the front and rear sides of the protective shell 1. The vertical plate 22 is slidably installed between the upper and lower sides of the inner wall of the rectangular frame 21. The buffer spring 23 is connected between the left side of the vertical plate 22 and the left side of the inner wall of the rectangular frame 21. The connecting plate 24 is fixed on the right side of the vertical plate 22 and extends to the outside of the rectangular frame 21. The anti-collision plate 25 is fixed on the right side of the two connecting plates 24 and covers the corresponding side of the protective shell 1 to withstand external impacts.

[0050] It should be noted that the rectangular frame 21 is fixed to the protective shell 1, providing a stable mounting carrier for other components of the anti-collision assembly 2 and forming a protective buffer space. The vertical plate 22 is slidably installed between the upper and lower sides of the inner wall of the rectangular frame 21 and can move horizontally, serving as a medium for transmitting buffering force. The buffer spring 23 is connected between the left side of the vertical plate 22 and the left side of the inner wall of the rectangular frame 21, maintaining balance in its natural state. When impacted, it absorbs energy through elastic deformation, achieving buffering and shock absorption. The connecting plate 24 is fixed to the right side of the vertical plate 22 and extends to the outside of the rectangular frame 21, transmitting the force of the vertical plate 22 to the anti-collision plate 25 while ensuring the stability of the vertical plate 22 during movement. The anti-collision plate 25 is fixed to the right side of the two connecting plates 24 and covers the corresponding sides of the protective shell 1, directly bearing the external impact load, transmitting the impact force to the connecting plate 24 and the vertical plate 22, and then dissipating the impact energy through the elastic deformation of the buffer spring 23, reducing the impact on the protective shell 1 and the internal sensor body 10, thus achieving anti-collision protection.

[0051] This embodiment describes the working principle and usage of a protective structure for a pressure monitoring sensor in a mine backfilling pipeline.

[0052] This embodiment provides a protective structure for a pressure monitoring sensor in a mine filling pipeline. The protective shell 1 provides a closed protective space for the sensor body 10, which is placed inside to monitor the pressure of the mine filling pipeline. The transparent plate 53 of the observation mechanism 5 cooperates with the observation window 52, ​​allowing the sensor status to be viewed without disassembly. The drive mechanism 6 of the dust removal component provides power, and during operation, it synchronously drives the cleaning mechanism 7 and the cleaning mechanism 8. The cleaning mechanism 7 moves axially along the transparent plate 53, and the cleaning brush 73 sweeps the dust off the surface of the transparent plate 53 to ensure a clear field of view. The bidirectional brush of the cleaning mechanism 8 fits against the front and rear sides of the dustproof mechanism 9 and moves with the drive mechanism. 6. Horizontal movement enables bidirectional brushing. During the synchronous movement of the vibration and striking component, the contact and separation between the upright 813 and the triangular block 814, combined with the elastic reset of the telescopic spring 812, drives the striking block 810 to periodically strike the bottom of the dustproof mechanism 9, shaking off stubborn dust and ensuring the unobstructed flow of the dustproof mechanism 9. The fixing component 3 and the limiting frame 51 work together to achieve stable installation and sealed protection of the sensor body 10. The heat dissipation component 4 accelerates the airflow inside the protective shell 1 to achieve cooling. The anti-collision component 2 absorbs external impact energy through the elastic deformation of the buffer spring 23 to prevent damage to the sensor. All components work together to ensure the stable operation of the sensor in the complex environment of the mine.

[0053] In use, first place the sensor body 10 into the protective shell 1, ensuring one side abuts against the limiting frame 51. Then, use the fixing bolts 32 to fix the side frame 31 with the sealing plate 33 to the opening end of the protective shell 1, ensuring the sealing plate 33 fits snugly against the inner wall of the protective shell 1, achieving a stable installation and seal for the sensor body 10. According to the needs of mining operations, install the protective structure in the designated location, ensuring the anti-collision component 2 covers the impact-prone area. Activating the drive mechanism 6 simultaneously cleans the transparent plate 53 and the dustproof mechanism 9, ensuring clear visibility and good ventilation; activating the heat dissipation component 4 promptly removes heat from inside the protective shell 1. Daily checks are performed through the observation mechanism 5 to monitor the sensor's operating status. Regular checks are conducted on the tightness of connections and the integrity of functions of each component. Dust inside the protective shell 1 is cleaned, and aged or damaged parts are replaced to ensure the protective structure continues to provide protection.

[0054] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is only used to illustrate the technical solution of the present invention, and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention are included within the scope of protection of the present invention.

[0055] In the description of this invention, it should be understood that the terms "upper", "lower", "upper end", "lower end", "upper surface", "lower surface", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0056] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

Claims

1. A protective structure for a pressure monitoring sensor in a mine filling pipeline, characterized in that, include: The sensor body (10), protective shell (1), dustproof mechanism (9), observation mechanism (5), and dust removal assembly are provided. The sensor body (10) is disposed inside the protective shell (1). The protective shell (1) is provided with the observation mechanism (5), the dustproof mechanism (9), and the dust removal assembly. The observation mechanism (5) is disposed on the top of the protective shell (1) and covered with a transparent plate (53). The dustproof mechanism (9) is disposed at the ventilation opening on the side wall of the protective shell (1). The dust removal assembly includes a drive mechanism (6) and a cleaning mechanism synchronously driven by the drive mechanism (6). 7) and cleaning mechanism (8); the cleaning mechanism (7) can move along the axial direction of the transparent plate (53) by the drive mechanism (6) and can clean the surface of the transparent plate (53); the cleaning mechanism (8) includes a bidirectional brush body and a vibration knocking component. The bidirectional brush body is attached to the front and rear sides of the dustproof mechanism (9). The vibration knocking component is set at the bottom of the dustproof mechanism (9). The bidirectional brush body and the vibration knocking component can move horizontally synchronously by the drive mechanism (6) to achieve brushing and vibration dust removal of the dustproof mechanism (9).

2. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 1, characterized in that: The sensor body (10) is fixed inside the protective shell (1) by means of a limiting member (11) and a fixing component (3); the fixing component (3) includes a side frame (31), a fixing bolt (32) and a sealing plate (33). The side frame (31) is detachably installed at the opening end of the protective shell (1) by means of the fixing bolt (32). The sealing plate (33) is set inside the side frame (31) and can extend into the interior of the protective shell (1), and its side edge can fit against the inner wall of the protective shell (1). The sealing plate (33) has an adapter through hole for one end of the sensor body (10) to pass through. The limiting member (11) is fixed to the inner wall of the protective shell (1) and abuts against the other side of the sensor body (10).

3. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 1, characterized in that: The observation mechanism (5) also includes two limiting frames (51), which are symmetrically fixed on the top of the protective shell (1). The transparent plate (53) is movably installed between the two limiting frames (51) and its bottom is attached to the top of the protective shell (1). The top wall of the protective shell (1) is provided with an observation window (52), which is located between the two limiting frames (51) and corresponds vertically to the transparent plate (53).

4. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 1, characterized in that: The drive mechanism (6) includes a mounting box (61), a servo motor (62), a threaded rod (63), and a threaded block (64). The mounting box (61) is fixed to the top of the side plate of the protective shell (1) and located at the upper end of the dustproof mechanism (9). The servo motor (62) is fixed inside the mounting box (61). One end of the threaded rod (63) is fixedly connected to the output shaft of the servo motor (62), and the other end is rotatably connected to the inner wall of the mounting box (61). The threaded block (64) is threaded on the outside of the threaded rod (63) and can move along its axial direction as the threaded rod (63) rotates.

5. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 4, characterized in that: The cleaning mechanism (7) includes a connecting rod (71), a horizontal plate (72), and a cleaning brush (73). One end of the connecting rod (71) is fixedly connected to the top of the threaded block (64), and the other end passes through the sliding groove at the top of the mounting box (61) and extends to the top of the transparent plate (53). The horizontal plate (72) is fixed at the bottom of the end of the connecting rod (71) away from the threaded block (64). The cleaning brush (73) is fixed at the bottom of the horizontal plate (72) and fits against the top of the transparent plate (53).

6. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 4, characterized in that: The bidirectional brush body includes a vertical rod (801), a strip plate (802), a bracket (803), a first upright plate (804), a first brush body (805), a base frame (806), a second upright plate (807), and a second brush body (808); one end of the vertical rod (801) is fixedly connected to the bottom of the threaded block (64), and the other end passes through the sliding groove at the bottom of the mounting box (61) and is fixedly connected to the strip plate (802). The strip plate (802) passes through the axial sliding groove of the side plate of the protective shell (1) and extends to the inside of the protective shell (1), and is located above the dustproof mechanism (9). The bracket (803) and the base frame (806) are symmetrically arranged on the inner and outer sides of the side plate of the protective shell (1) and located below the dustproof mechanism (9); the first upright plate (804) and the second upright plate (807) are slidably installed on the bracket (803) and the base frame (806) respectively, and their upper ends are fixedly connected to the bottom of the strip plate (802); the first brush body (805) and the second brush body (808) are fixed on the side of the first upright plate (804) and the second upright plate (807) close to the dustproof mechanism (9) respectively, and can fit against the two sides of the dustproof mechanism (9) respectively.

7. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 6, characterized in that: The vibration impact assembly includes a crossbar (809), an impact block (810), a baffle (811), a telescopic spring (812), a vertical rod (813), and a triangular block (814). The crossbar (809) slides through the lower end of the second vertical plate (807). The impact block (810) is fixed at the end of the crossbar (809) near the dustproof mechanism (9). The baffle (811) is vertically arranged at the end of the crossbar (809) away from the dustproof mechanism (9). The telescopic spring (812) is sleeved on the outside of the crossbar (809), and its two ends are... Do not abut against the baffle (811) and the second upright plate (807); the upright (813) is fixed at the bottom of the baffle (811), and the triangular block (814) is equidistantly arranged on the base frame (806) along the moving direction of the strip plate (802). When the upright (813) moves horizontally with the strip plate (802), it can abut against the triangular block (814) and drive the crossbar (809) to move away from the dustproof mechanism (9). After the abutment is released, the telescopic spring (812) resets and drives the striking block (810) to strike the fixed plate (93) to generate vibration.

8. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 7, characterized in that: The dustproof mechanism (9) includes a mounting hole (91), a dust baffle (92), and a fixing plate (93); the mounting hole (91) is opened on the side plate of the protective shell (1) and forms a ventilation opening; the dust baffle (92) is movably installed inside the mounting hole (91); the fixing plate (93) is fixed to the bottom of the dust baffle (92) and fits against the bottom wall of the mounting hole (91); the two sides of the dust baffle (92) are respectively fitted against the first brush body (805) and the second brush body (808); the fixing plate (93) at the bottom corresponds to the striking block (810).

9. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 1, characterized in that: A heat dissipation assembly (4) is provided on the side plate of the inner wall of the protective shell (1) away from the dustproof mechanism (9). The heat dissipation assembly (4) includes an outer box (41), a cooling fan (42) and a dustproof net (43). The outer box (41) is fixed on the side wall of the protective shell (1) and extends to the outside of the protective shell (1). The cooling fan (42) is fixed inside the outer box (41). The dustproof net (43) is movably installed at the opening on the side of the outer box (41) away from the protective shell (1).

10. The protective structure for a pressure monitoring sensor in a mine filling pipeline as described in claim 1, characterized in that: The protective shell (1) is provided with an anti-collision component (2), which includes a rectangular frame (21), a vertical plate (22), a buffer spring (23), a connecting plate (24), and an anti-collision plate (25). The rectangular frame (21) is fixed on the front and rear sides of the protective shell (1). The vertical plate (22) is slidably installed between the upper and lower sides of the inner wall of the rectangular frame (21). The buffer spring (23) is connected between the left side of the vertical plate (22) and the left side of the inner wall of the rectangular frame (21). The connecting plate (24) is fixed on the right side of the vertical plate (22) and extends to the outside of the rectangular frame (21). The anti-collision plate (25) is fixed on the right side of the two connecting plates (24) and covers the corresponding side of the protective shell (1) to withstand external impact.

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