Safety alarm device for sand and gravel aggregate mining

Abstract

The utility model discloses a safety alarm equipment that sandstone aggregate mine is used belongs to mine aggregate sandstone mining technical field, and it is designed to solve the prior art whether equipment is in the running work mode, all directly with the outside environment contact, on one hand, the complex environment of outdoor existence fly rock impact, mechanical collision risk etc, extremely easy to cause the sensing component of detection device head, optical lens etc. Key structure damage, influence instrument normal operation, on the other hand, the continuous exposure makes the monitoring instrument surface extremely easy to stick a large amount of dust, gravel etc. Particle pollutants generated in the mine, not only will block the sampling channel of detection device, also can form dirt layer on the surface of sensing probe, interfere with the normal play of light scattering, charge induction etc. Detection principle in the dust concentration detection process, thereby can cause certain influence to the detection result problem. Including the outer shell, the upper side of outer shell is equipped with mounting mechanism.

Description

Technical Field

[0001] This utility model belongs to the field of mining aggregate and sand mining technology, specifically relating to safety alarm equipment used in sand and gravel aggregate mining. Background Technology

[0002] In sand and gravel mining, aggregates with a particle size greater than 5mm are often referred to as coarse aggregates, commonly known as gravel, while aggregates with a particle size less than 5mm are called fine aggregates, also known as sand. Safety alarm equipment is required in sand and gravel mining, and the scope and corresponding equipment involved are numerous. Here, dust concentration monitoring instruments are used to replace safety alarm equipment to achieve real-time and efficient monitoring of dust concentration in the sand and gravel mining area, so as to take timely dust reduction measures and ensure safe and environmentally friendly operation of mining operations.

[0003] Modern dust concentration monitoring instruments are in direct contact with the external environment during use, regardless of whether they are in operation. On the one hand, the complex outdoor environment presents risks such as impacts from flying rocks and mechanical collisions, which can easily damage key structures such as the sensing components and optical lenses at the head of the detection device, affecting its normal operation. On the other hand, continuous exposure makes the surface of the monitoring instrument prone to adhering to a large amount of particulate pollutants such as dust and gravel generated from mining. This can not only block the sampling channel of the detection device, but also form a layer of dirt on the surface of the sensing probe, interfering with the normal functioning of detection principles such as light scattering and charge induction during the dust concentration detection process, thus affecting the detection results. Utility Model Content

[0004] (1) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a safety alarm device for sand and gravel aggregate mining. This device addresses the problem that existing technologies, regardless of whether the equipment is in operation, are directly exposed to the external environment. On one hand, the complex outdoor environment presents risks such as impacts from flying rocks and mechanical collisions, which can easily damage key structures such as the sensing components and optical lenses of the detection device, affecting its normal operation. On the other hand, continuous exposure makes the surface of the monitoring instrument prone to adhering to large amounts of dust, gravel, and other particulate pollutants generated during mining. This not only blocks the sampling channel of the detection device but may also form a layer of dirt on the surface of the sensing probe, interfering with the normal functioning of detection principles such as light scattering and charge induction during dust concentration detection, thus affecting the detection results.

[0006] (2) Technical solution

[0007] To solve the above-mentioned technical problems, this utility model provides a safety alarm device for sand and gravel aggregate mining, including an outer shell, with installation mechanisms provided on both sides of the upper part of the outer shell, and a protective mechanism installed inside the outer shell. The protective mechanism includes a lifting component and a mounting frame, and a dust concentration monitor is mounted on the upper part of the mounting frame. The lifting component is installed inside the outer shell, and a dust removal component is installed in the lower part of the inner part of the outer shell.

[0008] Furthermore, the lifting assembly includes fixed blocks, and two fixed blocks are fixedly disposed on the upper sides inside the outer casing. A rotating rod is installed in the middle of the two fixed blocks, and a drive motor is installed at one end of the rotating rod. A bevel gear set is installed in the two middle sections of the rotating rod, and a transmission screw is fixedly disposed in the middle of one of the gears of the two bevel gear sets. A screw sleeve is screwed around one side of the two transmission screws, and a connecting block is fixed around the two screw sleeves. A guide rod is fixedly disposed below the two connecting blocks. Guide grooves are opened on both sides of the lower end of the outer casing, and a sealing gasket is glued and fixed around the upper periphery of the mounting frame.

[0009] Furthermore, the guide rods are symmetrically distributed along the vertical central axis of the outer casing, and a vertical guide connection is formed between the two guide rods and their corresponding guide grooves.

[0010] Furthermore, the dust removal component includes a square air duct, which is installed inside the lower part of the outer casing. The two sides of the square air duct are connected to connecting pipes, and the ends of the two connecting pipes are connected to annular air ducts. Air jets are respectively installed below the square air duct and the two annular air ducts. A connecting pipe is connected to a section of the square air duct, and a fan is connected to the end of the connecting pipe. A filter frame is installed at the end of the fan.

[0011] Furthermore, the jet nozzles located below the square air duct and the annular air pipe have an inward-sloping jet angle distribution.

[0012] Furthermore, the mounting mechanism includes two connecting frames, which are fixed on the upper sides of the outer casing. The top of the two connecting frames is connected to a mounting plate, and the two mounting plates have screw grooves on both sides of the middle part. A locking bolt is screwed into the middle of the screw groove.

[0013] (3) Beneficial effects

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] During construction, personnel can start the drive motor to engage the rotating rod and its two sets of bevel gears. Since a transmission screw is fixed in the middle of one gear in each gear set, the two screws can rotate synchronously. In this state, the screw sleeve interacting with the screw can lower the connecting block, guide rod, and the mounting frame below, guided by the guide groove. This causes the dust concentration monitor mounted on the mounting frame to protrude from below the outer casing. The dust concentration monitor can then monitor the environment of the construction area. When the dust level exceeds the threshold, [the monitor will detect the dust concentration]. It will then emit audible and visual signals and send a warning signal to the control terminal, which will then control the relevant equipment to start, such as dust suppression equipment. When construction stops, the dust concentration monitor can be returned to the outer casing using the lifting assembly. However, the fan will be started during this process. At this time, under the guidance of the square air duct connected by the connecting pipe and the two connecting pipes and the ring air duct, the jet nozzles set below the square air duct and the two ring air ducts can respectively achieve a good dust cleaning effect on the periphery of the dust concentration monitor and the periphery of the two guide rods, thereby extending the maintenance cycle and protecting the monitor.

[0016] This utility model allows personnel to use the screw grooves and locking bolts in the two sets of installation mechanisms to assemble and disassemble the outer casing, thereby indirectly achieving the purpose of portable maintenance and replacement of parts for the dust concentration monitor installed inside the outer casing. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure;

[0020] Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle;

[0021] Figure 4 This is a top view of the dust removal component.

[0022] The labels in the attached diagram are as follows: 1. Outer casing; 2. Mounting mechanism; 21. Connecting frame; 22. Mounting plate; 23. Screw groove; 24. Locking bolt; 3. Protection mechanism; 31. Lifting assembly; 311. Fixing block; 312. Drive motor; 313. Rotating rod; 314. Bevel gear set; 315. Transmission screw; 316. Screw sleeve; 317. Connecting block; 318. Guide rod; 319. Guide groove; 3110. Sealing gasket; 32. Mounting frame; 33. Dust cleaning assembly; 331. Square air duct; 332. Connecting pipe; 333. Annular air duct; 334. Jet nozzle; 335. Connecting pipe; 336. Fan; 337. Filter frame; 4. Dust concentration monitor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This specific implementation method describes a safety alarm device used in sand and gravel aggregate mining, and its structural diagram is shown below. Figures 1 to 4 As shown, the device includes an outer casing 1, with mounting mechanisms 2 on both sides of the upper part of the outer casing 1. A protective mechanism 3 is installed inside the outer casing 1. The protective mechanism 3 includes a lifting assembly 31 and a mounting frame 32. A dust concentration monitor 4 is mounted on top of the mounting frame 32. The mounting mechanism 2 includes two connecting frames 21, which are fixed to the upper sides of the outer casing 1. Mounting plates 22 are connected to the top of the two connecting frames 21. Screw grooves 23 are opened on both sides of the middle of the two mounting plates 22. A locking bolt 24 is screwed into the middle of the screw grooves 23. Personnel can use the screw grooves 23 and locking bolts 24 in the two sets of mounting mechanisms 2 to perform assembly and disassembly operations on the outer casing 1, thereby indirectly achieving the purpose of portable maintenance and replacement of parts for the dust concentration monitor 4 installed inside the outer casing 1.

[0025] The lifting assembly 31 is installed inside the outer shell 1. The lifting assembly 31 includes two fixing blocks 311, which are fixed to the upper sides of the outer shell 1. A rotating rod 313 is installed in the middle of the two fixing blocks 311, and a drive motor 312 is installed at one end of the rotating rod 313. A bevel gear set 314 is installed in the middle two sections of the rotating rod 313, and a transmission screw 315 is fixed in the middle of one of the gears in the two bevel gear sets 314. A screw sleeve 316 is screwed onto one side of each of the two transmission screws 315, and a connecting block 317 is fixed around the periphery of each of the two screw sleeves 316. A guide rod 318 is fixed below the two connecting blocks 317. Guide grooves 319 are opened on both sides of the lower end of the outer shell 1. A sealing gasket 3110 is glued and fixed to the upper periphery of the mounting bracket 32. Guide rods 318 are symmetrically distributed along the vertical central axis of the outer shell 1, and two guide rods 318 form a vertical guiding connection with their corresponding guide grooves 319. A dust cleaning assembly 33 is installed in the lower inner section of the outer shell 1. The dust cleaning assembly 33 includes a square air duct 331, which is installed in the lower inner part of the outer shell 1. Connecting pipes 332 are connected to both sides of the square air duct 331, and the ends of the two connecting pipes 332 are connected to annular air ducts 333. Air jets 334 are respectively provided below the square air duct 331 and the two annular air ducts 333. A connecting pipe 335 is connected to a section of the square air duct 331, and a fan 336 is connected to the end of the connecting pipe 335. A filter frame 337 is installed at the end of the fan 336. The jet nozzles 334 located below the square air duct 331 and the annular air duct 333 have an inwardly inclined jet angle. During construction, personnel can start the drive motor 312 to engage the rotating rod 313 and the two sets of bevel gears 314 on both sides. Since a transmission screw 315 is fixed in the middle of one of the gears in each gear set, the two screws can rotate synchronously. In this state, the screw sleeve 316, which interacts with the screw, can lower the connecting block 317, the guide rod 318, and the mounting frame 32 below, guided by the guide groove 319. This causes the dust concentration monitor 4, which is mounted on the mounting frame 32, to protrude from below the outer casing 1. Thus, the dust concentration monitor 4 can monitor the dust concentration. The environment of the construction area is monitored. When the dust level exceeds the threshold, an audible and visual signal will be emitted and a warning signal will be sent to the control terminal. The control terminal will then activate relevant equipment, such as dust suppression equipment. After construction stops, the dust concentration monitor 4 can be returned to the outer casing 1 using the lifting component 31. During this process, the fan 336 will be activated. At this time, under the guidance of the connecting pipe 335 connecting the square air duct 331 and the two connecting pipes 332 and the annular air duct 333, the jet nozzles 334 located below the square air duct 331 and the two annular air ducts 333 can respectively achieve a good dust cleaning effect on the periphery of the dust concentration monitor 4 and the periphery of the two guide rods 318, thereby extending the maintenance cycle and protecting the monitor.

[0026] Working principle: Personnel can use the screw grooves 23 and locking bolts 24 in the two sets of installation mechanisms 2 to assemble and disassemble the outer casing 1, thereby indirectly achieving the purpose of portable maintenance and replacement of parts for the dust concentration monitor 4 installed inside the outer casing 1. Secondly, during construction time, personnel can start the drive motor 312 to make the rotating rod 313 and its two sets of bevel gears 314 mesh and transmit power. Since the transmission screw 315 is fixed in the middle of one of the gears in each gear set, the two screws can rotate synchronously. In this state, the screw sleeve 316 acting with the screw can carry the connecting block 317, guide rod 318 and the mounting frame 32 below to descend with the guide groove 319, thereby causing the dust concentration monitor 4 mounted on the mounting frame 32 to protrude from the bottom of the outer casing 1. 4. The environment of the construction area can be monitored. When the dust level exceeds the threshold, an audible and visual signal will be emitted and a warning signal will be sent to the control terminal. The control terminal will then control the relevant equipment to start, such as dust suppression equipment. After the construction is stopped, the dust concentration monitor 4 can be returned to the outer casing 1 using the lifting component 31. Thus, the outer casing 1 can provide better all-round protection for the monitor. However, the fan 336 will be started during this process. At this time, under the guidance of the connecting pipe 335 connecting the square air duct 331 and the two connecting pipes 332 and the annular air duct 333, the jet nozzles 334 set below the square air duct 331 and the two annular air ducts 333 can respectively achieve a good dust cleaning effect on the periphery of the dust concentration monitor 4 and the periphery of the two guide rods 318. This can effectively extend the maintenance cycle and protect the monitor.

[0027] All technical features in this embodiment can be freely combined according to actual needs.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A safety alarm device used in sand and gravel aggregate mining, comprising an outer casing (1), characterized in that, The outer casing (1) is provided with mounting mechanisms (2) on both sides above, and a protective mechanism (3) is provided inside the outer casing (1). The protective mechanism (3) includes a lifting component (31) and a mounting frame (32). A dust concentration monitor (4) is mounted on the top of the mounting frame (32). The lifting component (31) is installed inside the outer casing (1). A dust cleaning component (33) is provided in the lower part of the interior of the outer casing (1). The lifting component (31) includes a fixing block (3). 11), and two fixing blocks (311) are fixed on the upper sides inside the outer shell (1). A rotating rod (313) is installed in the middle of the two fixing blocks (311), and a drive motor (312) is installed at one end of the rotating rod (313). A bevel gear set (314) is installed in the two middle sections of the rotating rod (313), and a transmission screw (315) is fixed in the middle of one of the gears of the two bevel gear sets (314). One side of the two transmission screws (315) is surrounded by The screw is provided with a lead screw sleeve (316), and two lead screw sleeves (316) are fixedly provided with connecting blocks (317) around their periphery. A guide rod (318) is fixedly provided below the two connecting blocks (317). Guide grooves (319) are provided on both sides of the lower end of the outer shell (1). A sealing gasket (3110) is glued and fixed to the upper periphery of the mounting bracket (32). The dust removal component (33) includes a square air duct (331), and the square air duct (331) is installed inside the lower part of the outer shell (1). The square air duct (331) is connected to two connecting pipes (332) on both sides, and the ends of the two connecting pipes (332) are connected to annular air ducts (333). Jet nozzles (334) are provided below the square air duct (331) and the two annular air ducts (333). A connecting pipe (335) is connected to a section of the square air duct (331), and a fan (336) is connected to the end of the connecting pipe (335). A filter frame (337) is installed at the end of the fan (336).

2. The safety alarm device used in sand and gravel aggregate mining according to claim 1, characterized in that, The guide rods (318) are symmetrically distributed along the vertical central axis of the outer casing (1), and the two guide rods (318) form a vertical guide connection with their corresponding guide grooves (319).

3. The safety alarm device used in sand and gravel aggregate mining according to claim 1, characterized in that, The jet nozzles (334) located below the square air duct (331) and the annular air duct (333) have an inward-sloping jet angle.

4. The safety alarm device used in sand and gravel aggregate mining according to claim 1, characterized in that, The installation mechanism (2) includes two connecting frames (21), and the two connecting frames (21) are fixed on the upper sides of the outer shell (1). The top of the two connecting frames (21) is connected to the mounting plate (22), and the two mounting plates (22) have screw grooves (23) on both sides of the middle part. The middle part of the screw groove (23) is screwed with a locking bolt (24).

Images