A mobile detection device for safe production of a lead-zinc concentrator

Abstract

This utility model relates to the field of dust detection technology and discloses a mobile detection device for safe production in lead-zinc ore beneficiation plants. It addresses the shortcomings of existing technologies in dust detection in crushing and grinding workshops of lead-zinc ore beneficiation plants, which have limited coverage and are not suitable for real-time mobile detection. This utility model uses an electromagnetic guide rail and slider to achieve horizontal movement of the dust detector, coupled with a linear power supply track to ensure continuous power supply, thus solving the problem of limited coverage of fixed equipment. The angle adjustment mechanism uses spherical contact and mechanical transmission to achieve multi-angle swinging of the collection tube, expanding the sampling range and improving accuracy at fixed locations when dust levels exceed standards. A filter screen intercepts large dust particles, protecting internal components. The entire device is adapted to the high-vibration, high-dust environment of crushing and grinding workshops in lead-zinc ore beneficiation plants, achieving wide-range, high-precision, continuous, and stable dust detection, providing a guarantee for safe production.

Description

Technical Field

[0001] This utility model relates to the field of dust detection technology, and in particular to a mobile detection device for safe production in lead-zinc ore beneficiation plants. Background Technology

[0002] Chinese Patent Publication No. CN222105295U discloses a dust concentration detection device, including a detection device body. A display screen is fixedly connected to the front end of the detection device body, an alarm light is fixedly connected to the right side of the detection device body, and a connecting plate is fixedly connected to the rear end of the detection device body. Vertical sliding rods are fixedly connected to both sides of the connecting plate. Through the cooperation of the connecting plate, vertical sliding rods, insertion holes, mounting plate, and snap-fit ​​mechanism, the device body can be quickly installed and disassembled by maintenance personnel, facilitating maintenance and providing convenience for maintenance personnel.

[0003] Regarding the aforementioned and existing related technologies, the inventors believe that the following shortcomings often exist: While the device's portable disassembly design allows for adjustment of the detection position or subsequent maintenance, the entire operation requires manual intervention. Furthermore, due to its limitations, the detection device cannot dynamically monitor the distribution of dust within the workshop in real time. This results in an inability to comprehensively and promptly grasp changes in dust concentration over large areas of the workshop. For example, in a lead-zinc mine crushing workshop, the concentration of dust generated by the crusher varies greatly at different times and locations. The device cannot be easily moved to track these changes, failing to meet the need for extensive and real-time monitoring of dust concentration within the workshop. This hinders a comprehensive assessment of the workshop's dust pollution status, thus affecting the accurate formulation and implementation of safety production and environmental protection measures. Utility Model Content

[0004] The technical problem this invention aims to solve is that existing technologies have limitations in dust detection in the crushing and grinding workshops of lead-zinc ore beneficiation plants, such as limited coverage and difficulty in real-time mobile detection. Therefore, we propose a mobile detection device for safe production in lead-zinc ore beneficiation plants.

[0005] To achieve the above objectives, this application adopts the following technical solution: a mobile detection device for safe production in a lead-zinc ore beneficiation plant, comprising: a dust detector body; an electromagnetic slider fixed to the top of the back of the dust detector body; the electromagnetic slider sliding along an electromagnetic rail fixed to a wall; a linear power supply rail below the electromagnetic rail; a current collector fixed to the bottom of the back of the dust detector body; the current collector inserted into the bottom of the linear power supply rail; an audible and visual alarm installed on one side of the dust detector body; and a detection component installed inside the dust detector body. The bottom of the dust detector body is fixed with an L-shaped air inlet pipe. The front end of the L-shaped air inlet pipe is movably connected to a collection pipe. The front end of the L-shaped air inlet pipe is provided with an outer ball head, and the rear end of the collection pipe is provided with an inner ball head. The inner ball head is embedded in the interior of the outer ball head and moves. Air inlets are evenly distributed on the collection pipe. An annular guide rail A is fixedly fitted on the outside of the outer ball head. An annular guide rail B is fixedly fitted on the outside of the collection pipe near the inner ball head. An angle adjustment mechanism is connected between the annular guide rail A and the annular guide rail B. The detection component, the audible and visual alarm, the electromagnetic guide rail, and the angle adjustment mechanism are electrically connected.

[0006] Preferably, the detection component includes a cavity formed inside the main body of the dust detector, a sampling pump is installed at the bottom of the main body of the dust detector, the air inlet of the sampling pump is connected to an L-shaped air inlet pipe, the air outlet of the sampling pump is connected to the cavity, an exhaust pipe runs through one side of the cavity, and a laser scattering sensor is installed at the top of the cavity.

[0007] Preferably, there are four air inlets, and each air inlet has a filter screen fixed inside.

[0008] Preferably, the angle adjustment mechanism includes an inner ball head that is rotatably sleeved on the annular guide rail A, a ball that is slidably embedded inside the annular guide rail B, an L-shaped eccentric rod fixed on one side of the ball, one end of the L-shaped eccentric rod being fixedly connected to the front end of the gear ring, a servo motor being installed at the bottom of the front of the dust detector body, and a gear being connected to the output end of the servo motor, with one side of the gear meshing with one side of the gear ring.

[0009] Preferably, the gear is located above the servo motor, and the servo motor is a self-locking motor.

[0010] Preferably, the vertical length of the L-shaped eccentric rod is less than the maximum distance between the annular guide rail A and the annular guide rail B.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] In this invention, the horizontal movement of the dust detector is achieved through electromagnetic guide rails and electromagnetic sliders, while a linear power supply track ensures continuous power supply, solving the problem of limited coverage of fixed equipment. The angle adjustment mechanism achieves multi-angle swinging of the collection tube through spherical fit and mechanical transmission, combined with laser scattering sensor for precise detection. When dust exceeds the standard, it can provide a point-to-point warning and expand the sampling range to improve accuracy. At the same time, the filter screen intercepts large dust particles to protect the internal components. The whole system is suitable for the high-vibration, high-dust environment of crushing and grinding workshops in lead-zinc ore beneficiation plants, achieving wide-range, high-precision, continuous and stable dust detection, providing a reliable guarantee for safe production. Attached Figure Description

[0013] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a bottom-view three-dimensional structural diagram of the present invention;

[0016] Figure 3 This is a side sectional view of the present invention.

[0017] Figure 4 This is a three-dimensional structural diagram of the collection tube of this utility model;

[0018] Figure 5 For the present utility model Figure 3 Schematic diagram of the structure at point A in the middle;

[0019] Figure 6 This is a three-dimensional structural diagram of the toothed ring distribution of this utility model.

[0020] Legend: 1. Main body of dust detector; 11. Cavity; 12. Sampling pump; 13. Laser scattering sensor; 14. Exhaust pipe; 2. L-shaped air inlet pipe; 21. Outer ball head; 22. Annular guide rail A; 3. Collection pipe; 31. Inner ball head; 32. Air inlet; 33. Filter screen; 34. Annular guide rail B; 4. Angle adjustment mechanism; 41. Gear ring; 42. L-shaped eccentric rod; 43. Sphere; 44. Gear; 45. Servo motor; 5. Audible and visual alarm; 6. Electromagnetic guide rail; 7. Linear power supply rail; 8. Electromagnetic slider; 9. Current collector. Detailed Implementation

[0021] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0022] Reference Figures 1-5 As shown, this utility model provides a technical solution: a mobile detection device for safe production in a lead-zinc ore beneficiation plant, comprising: a dust detector body 1, an electromagnetic slider 8 fixed to the top of the back of the dust detector body 1, the two being rigidly connected by welding or high-strength bolts, the electromagnetic slider 8 sliding along an electromagnetic guide rail 6 fixed to the wall, the electromagnetic guide rail 6 being fixed to the wall by expansion bolts, the wall surface needing to be leveled before installation, rubber shock-absorbing pads added between the guide rail and the wall to buffer workshop vibration, a linear power supply track 7 provided below the electromagnetic guide rail 6, a collector 9 fixed to the bottom of the back of the dust detector body 1, the insertion end of the collector 9 being designed as an elastic contact structure, the contact surface being plated with a wear-resistant conductive layer, the collector 9 being inserted to the bottom of the linear power supply track 7, an audible and visual alarm 5 installed on one side of the dust detector body 1, the dust detector body... The main body 1 is equipped with a detection component. An L-shaped air inlet pipe 2 is fixed at the bottom of the dust detector main body 1. The connection between the L-shaped air inlet pipe 2 and the detector main body 1 adopts a flange sealing structure. The front end of the L-shaped air inlet pipe 2 is movably connected to a collection pipe 3. The front end of the L-shaped air inlet pipe 2 is provided with an outer ball head 21. The two are integrally cast structures. The rear end of the collection pipe 3 is provided with an inner ball head 31. The two are integrally cast structures. The inner ball head 31 is embedded in the interior of the outer ball head 21 for movement. Air inlets 32 are evenly opened on the collection pipe 3. An annular guide rail A22 is fixedly sleeved on the outside of the outer ball head 21. An annular guide rail B34 is fixedly sleeved on the outside of the collection pipe 3 near the inner ball head 31. An angle adjustment mechanism 4 is connected between the annular guide rail A22 and the annular guide rail B34. The detection component, the audible and visual alarm 5, the electromagnetic guide rail 6 and the angle adjustment mechanism 4 are electrically connected.

[0023] The electromagnetic guide rail 6, in conjunction with the electromagnetic slider 8, enables horizontal movement of the dust detector body 1, thus adapting to the dust detection needs of a large area in a lead-zinc ore beneficiation plant. Simultaneously, the linear power supply rail 7 and the current collector 9 ensure normal power supply and operation of the dust detector body 1 during movement. Furthermore, the telecommunication connection between the detection components, angle adjustment mechanism 4, audible and visual alarm 5, and electromagnetic guide rail 6 facilitates targeted early warning for areas with excessively high dust content. The angle adjustment mechanism 4 allows for multi-angle swinging of the collection tube 3, further expanding the dust detection environment of the initial warning point, further refining the dust concentration in that area, and improving detection accuracy.

[0024] Reference Figure 3 As shown in this embodiment: the detection component includes a cavity 11 opened inside the dust detector body 1, a sampling pump 12 is installed at the bottom of the dust detector body 1, the air inlet of the sampling pump 12 is connected to the L-shaped air inlet pipe 2, the air outlet of the sampling pump 12 is connected to the cavity 11, an exhaust pipe 14 passes through one side of the cavity 11, and a laser scattering sensor 13 is set at the top inside the cavity 11.

[0025] The sampling pump 12 is used to absorb the ambient air in the lead-zinc ore beneficiation plant area and circulate it into the cavity 11. Then, the laser scattering sensor 13 is used to detect the dust concentration based on the scattering characteristics of dust particles on a specific wavelength of laser light, so as to adapt to the detection in the working environment of lead-zinc ore beneficiation plants, especially in the work environment of ore crushing and grinding.

[0026] Reference Figure 3 , Figure 4 As shown, there are four air inlets 32, and each air inlet 32 ​​has a filter screen 33 fixed inside.

[0027] Large dust particles are intercepted by the filter screen 33, preventing them from accumulating inside the cavity 11 or sampling pump 12, thus ensuring airflow within the cavity 11 while meeting dust detection requirements.

[0028] Reference Figure 5 , Figure 6 As shown, the angle adjustment mechanism 4 includes an inner ball head 31 rotatably sleeved on the annular guide rail A22, a ball 43 slidably embedded inside the annular guide rail B34, an L-shaped eccentric rod 42 fixed on one side of the ball 43, one end of the L-shaped eccentric rod 42 fixedly connected to the front end of the gear ring 41, a servo motor 45 installed at the bottom of the front of the dust detector body 1, a gear 44 connected to the output end of the servo motor 45, one side of the gear 44 meshing with one side of the gear ring 41.

[0029] The toothed ring 41 drives the ball 43 to slide circumferentially along the annular guide rail B34, thereby causing the L-shaped eccentric rod 42 to pull on one side of the collection tube 3, causing the collection tube 3 to swing circumferentially with the outer ball head 21 as the axis, thereby expanding the range of air intake 32 to obtain ambient air, so as to avoid detection errors caused by the high dust content in the area and improve the accuracy of dust detection.

[0030] Reference Figure 6 As shown, gear 44 is located above servo motor 45, which is a self-locking motor.

[0031] The self-locking property of the servo motor 45 is utilized so that when the servo motor 45 is turned off, the gear ring 41 rotates, ensuring the stability of the collection tube 3 during the horizontal movement of the dust detector body 1 under normal operation.

[0032] Reference Figure 3 As shown, the vertical length of the L-shaped eccentric rod 42 is less than the maximum distance between the annular guide rail A22 and the annular guide rail B34.

[0033] By utilizing the vertical length limitation of the L-shaped eccentric rod 42, a unilateral pulling force is generated on the collecting tube 3 during the rotation of the L-shaped eccentric rod 42, thereby causing the collecting tube 3 to oscillate in a circumferential manner to change the direction of air intake.

[0034] Working principle: The electromagnetic guide rail 6 is fixed to the wall of the ore crushing and grinding workshop of the lead-zinc beneficiation plant with bolts. The electromagnetic guide rail 6 and the electromagnetic slider 8 are started, so that the electromagnetic slider 8 drives the dust detector body 1 to move horizontally back and forth. During this period, the sampling pump 12 and the laser scattering sensor 13 are started. The sampling pump 12 draws the ambient air of the workshop into the cavity 11 through the collection pipe 3 and discharges it to the outside through the exhaust pipe 14. The laser scattering sensor 13 uses the scattering effect of the laser in the dust environment to convert the scattered light signal into a current signal, and then the dust concentration is obtained. Since the dust detector body 1 is in a moving state, the air in the cavity 11 is in a flowing state, thereby realizing the real-time detection effect of different positions.

[0035] When the detected data exceeds the preset value, the automatic control activates the audible and visual alarm 5 to provide an early warning. Simultaneously, the electromagnetic slider 8 is activated and stops in the warning area. The servo motor 45 is also activated, causing the gear 44 to rotate and drive the gear ring 41 to rotate. This causes the L-shaped eccentric rod 42 to drive the ball 43 to rotate synchronously, and changes the pulling direction of the L-shaped eccentric rod 42 on the collection tube 3. This causes the collection tube 3 to form a conical rotation effect with the outer ball head 21 as the axis, further expanding the air acquisition range of the warning area and further determining the accuracy of the detection results.

[0036] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A mobile detection device for safe production in lead-zinc ore beneficiation plants, characterized in that, include: The dust detector body has an electromagnetic slider fixed to the top of its back side. The electromagnetic slider slides along an electromagnetic rail fixed to a wall. A linear power supply rail is located below the electromagnetic rail. A current collector is fixed to the bottom of the back side of the dust detector body and inserted into the bottom of the linear power supply rail. An audible and visual alarm is installed on one side of the dust detector body. A detection component is located inside the dust detector body. An L-shaped air inlet pipe is fixed to the bottom of the dust detector body. The front end of the tube is movably connected to a collecting tube. The front end of the L-shaped air inlet tube is provided with an outer ball head, and the rear end of the collecting tube is provided with an inner ball head. The inner ball head is embedded in the interior of the outer ball head and moves. Air inlets are evenly distributed on the collecting tube. An annular guide rail A is fixedly sleeved on the outside of the outer ball head. An annular guide rail B is fixedly sleeved on the outside of the collecting tube near the inner ball head. An angle adjustment mechanism is connected between the annular guide rail A and the annular guide rail B. The detection component, the audible and visual alarm, the electromagnetic guide rail, and the angle adjustment mechanism are electrically connected.

2. The mobile detection equipment for safe production in lead-zinc ore beneficiation plants according to claim 1, characterized in that: The detection component includes a cavity inside the main body of the dust detector. A sampling pump is installed at the bottom of the main body of the dust detector. The air inlet of the sampling pump is connected to an L-shaped air inlet pipe, and the air outlet of the sampling pump is connected to the cavity. An exhaust pipe runs through one side of the cavity, and a laser scattering sensor is installed at the top of the cavity.

3. The mobile detection equipment for safe production in lead-zinc ore beneficiation plants according to claim 1, characterized in that: There are four air inlets, and each air inlet has a filter screen fixed inside.

4. The mobile detection equipment for safe production in lead-zinc ore beneficiation plants according to claim 1, characterized in that: The angle adjustment mechanism includes an inner ball head that is rotatably sleeved on an annular guide rail A. A ball is slidably embedded inside the annular guide rail B. An L-shaped eccentric rod is fixed to one side of the ball. One end of the L-shaped eccentric rod is fixedly connected to the front end of the gear ring. A servo motor is installed at the bottom of the front of the dust detector body. A gear is connected to the output end of the servo motor. One side of the gear and one side of the gear ring mesh with each other.

5. The mobile detection equipment for safe production in lead-zinc ore beneficiation plants according to claim 4, characterized in that: The gear is located above the servo motor, which is a self-locking motor.

6. The mobile detection equipment for safe production in lead-zinc ore beneficiation plants according to claim 4, characterized in that: The vertical length of the L-shaped eccentric rod is less than the maximum distance between the annular guide rail A and the annular guide rail B.

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