Monitoring equipment for closed coal storage yard

Abstract

The utility model provides monitoring equipment for a closed coal storage yard, which comprises a motor, a support shaft, a transmission worm gear and a worm, the transmission worm gear is arranged in the middle of the annular side surface of the support shaft, the worm is meshed with the lower side of the annular side surface of the transmission worm gear, and the motor is mounted at the rear end of the worm. When the motor is controlled to rotate forwards or backwards, the worm drives the transmission worm gear to rotate forwards or backwards, so that the support rod drives the support cylinder to rotate forwards or backwards, and the support cylinder drives the first connecting plate and the second connecting plate to swing leftwards and rightwards through the support shaft, so that the left and right shooting angles of the explosion-proof camera and the infrared imager can be adjusted; and the transmission worm gear drives the first connecting plate and the second connecting plate to rotate forwards or backwards together through the supporting shaft, so that the shooting angles of the explosion-proof camera and the infrared imager are adjusted up and down, and the shooting range of the explosion-proof camera and the infrared imager is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of monitoring for coal storage yards, in particular to monitoring equipment for closed coal storage yards. Background Art

[0002] A coal storage yard is a place where coal users reserve a certain amount of coal to ensure normal production operations and cope with drastic market fluctuations. In densely populated urban areas, coal is stored in closed warehouses to protect the environment. In order to ensure the safe operation of closed coal storage yards, multiple monitoring devices will be installed inside the closed coal storage yards.

[0003] The monitoring device for closed coal storage yards in the prior art can only monitor the internal images of the closed coal storage yard, but cannot monitor the gas or dust concentration inside the closed coal storage yard. Since the air circulation inside the closed coal storage yard is small, once the gas or dust concentration inside the closed coal storage yard exceeds the standard, it will endanger the lives of the staff inside, thereby failing to effectively guarantee the life safety of the staff inside the closed coal storage yard. In addition, the adjustable amplitude and range of the existing monitoring device for closed coal storage yards are small, and the practicality needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a monitoring device for a closed coal storage yard to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A monitoring device for a closed coal storage yard comprises a mounting frame, a support seat and a fixed vertical plate, wherein the front side of the upper end face of the mounting frame is fixedly connected to the support seat, the front side of the inner wall of the mounting frame is fixedly connected to the fixed vertical plate, the upper end face of the mounting frame is provided with a monitoring component for monitoring and detecting the inside of the closed coal storage yard from the outside, and the upper end face of the support seat is provided with an adjustment component for adjusting the viewing angle of the monitoring component.

[0007] Preferably, the adjusting assembly includes a motor, a support cylinder, a first connecting plate, a support shaft, a transmission worm gear, a worm and a second connecting plate. A support cylinder is arranged above the support seat, a support shaft is arranged inside the support cylinder, a transmission worm gear is arranged at the middle position of the annular side surface of the support shaft, a worm gear is meshed with the lower side of the annular side surface of the transmission worm gear, a motor is installed at the rear end of the worm gear, a first connecting plate is arranged at the right end of the support shaft, and a second connecting plate is arranged at the left end of the support shaft.

[0008] Preferably, a support rod is provided on the lower side of the annular side surface of the support tube, and a low-speed motor is installed inside the support seat.

[0009] Preferably, the monitoring component includes an explosion-proof camera, an explosion-proof dust detector, a methane gas detector, an infrared imager and an explosion-proof sound and light alarm. The infrared imager is installed on the right end face of the first connecting plate, the explosion-proof camera is installed on the left end face of the second connecting plate, the methane gas detector is installed on the right side of the front end face of the fixed vertical plate, the explosion-proof dust detector is installed on the left side of the front end face of the fixed vertical plate, and the explosion-proof sound and light alarm is installed on the rear side of the upper end face of the mounting frame.

[0010] Preferably, a limiting ring is provided on the right side of the annular side surface of the support shaft, and a blocking cover is installed on the right end surface of the support tube.

[0011] Preferably, a protective cover is installed on the upper end surface of the support seat, the support seat is made of a flameproof shell, a fixing cavity is opened on the lower side of the interior of the mounting frame, and the mounting frame is L-shaped.

[0012] Preferably, the explosion-proof camera, explosion-proof dust detector, gas detector, infrared imager and explosion-proof sound and light alarm are all connected to the external monitoring control room signal through wires, and a first dust-proof brim is installed on the front side of the upper end of the explosion-proof camera, and a second dust-proof brim is installed on the front side of the upper end of the infrared imager.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model installs a gas detector, which can monitor the gas concentration in the external closed coal storage yard. By installing an explosion-proof dust detector, the total dust or respirable dust concentration in the environment where there is a mixture of flammable and explosive combustible gases in the external closed coal storage yard can be measured. By installing an infrared imager, the monitoring personnel can preliminarily judge the heating condition of the coal inside the external closed coal storage yard through the image color and hot spot tracking displayed on the screen. By installing an explosion-proof camera, it is convenient for the monitoring personnel to remotely see the internal condition of the external closed coal storage yard in real time, so as to conduct safety monitoring of the internal of the external closed coal storage yard. Once one of the values ​​of the gas concentration, respirable dust concentration and internal heat of the coal pile in the external closed coal storage yard exceeds the standard, it only needs to start the explosion-proof sound and light alarm, which can make the explosion-proof sound and light alarm send warning signals to the internal staff of the external closed coal storage yard through sound and various lights, so that the internal staff of the external closed coal storage yard can be evacuated in time, so as to ensure the life safety of the staff.

[0015] 2. The utility model can control the low-speed motor to rotate forward or reverse, so that the support rod can drive the support tube to rotate forward or reverse, and the support tube can drive the first connecting plate and the second connecting plate to swing left and right through the supporting shaft to adjust the left and right shooting angles of the explosion-proof camera and the infrared imager. When the motor is controlled to rotate forward or reverse, the worm can drive the transmission worm wheel to rotate forward or reverse, and the transmission worm wheel can drive the first connecting plate and the second connecting plate to rotate forward or reverse together through the supporting shaft to adjust the shooting angles of the explosion-proof camera and the infrared imager up and down, thereby improving the shooting range of the explosion-proof camera and the infrared imager. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a structural diagram of the monitoring component and the regulating component in the utility model;

[0018] Figure 3 This is a structural diagram of the support tube in the utility model;

[0019] Figure 4 It is a front cross-sectional view of the monitoring component and the regulating component in the utility model;

[0020] Figure 5 It is a right side cross-sectional view of the adjustment component in the utility model;

[0021] Figure 6 It is a structural diagram of the support shaft, transmission worm wheel and worm in the utility model.

[0022] In the figure: 1. mounting frame; 11. fixing chamber; 2. monitoring component; 21. explosion-proof camera; 22. explosion-proof dust detector; 23. gas detector; 24. infrared imager; 25. explosion-proof sound and light alarm; 3. adjustment component; 31. motor; 32. support cylinder; 321. blocking cover; 33. first connecting plate; 34. support shaft; 341. limiting ring; 35. support rod; 36. transmission worm gear; 37. worm; 38. low-speed motor; 39. second connecting plate; 4. support seat; 41. protective cover; 5. fixed vertical plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6, the utility model provides a technical solution:

[0025] Embodiment 1:

[0026] A monitoring device for a closed coal storage yard includes a mounting frame 1, a support seat 4 and a fixed vertical plate 5. The front side of the upper end of the mounting frame 1 is fixedly connected to the support seat 4. The support seat 4 is made of a flameproof shell. The support seat 4 made of a flameproof shell will protect the low-speed motor 38, thereby improving the flameproof ability of the low-speed motor 38. A protective cover 41 is installed on the upper end surface of the support seat 4. The protective cover 41 will block the upper end surface of the support seat 4. The front side of the inner wall of the mounting frame 1 is fixedly connected to the fixed vertical plate 5. The fixed vertical plate 5 will protect the explosion-proof dust detector. 22 and the gas detector 23 are supported and fixed, the upper end surface of the mounting frame 1 is provided with a monitoring component 2 for monitoring and detecting the inside of the closed coal storage yard outside, the upper end surface of the support seat 4 is provided with an adjusting component 3 for adjusting the viewing angle of the monitoring component 2, and a fixing cavity 11 is opened on the lower side of the inside of the mounting frame 1, and the fixing cavity 11 facilitates the external bolts to install and fix the mounting frame 1 at the specified position inside the closed coal storage yard outside. The mounting frame 1 is L-shaped, and the L-shaped mounting frame 1 will support the adjusting component 3 and the monitoring component 2.

[0027] The monitoring component 2 includes an explosion-proof camera 21, an explosion-proof dust detector 22, a gas detector 23, an infrared imager 24 and an explosion-proof sound and light alarm 25. The infrared imager 24 is installed on the right end face of the first connecting plate 33. The infrared imager 24 can image the entire target in real time in the form of a "surface", so that the monitoring personnel can preliminarily judge the heating condition inside the coal in the closed coal storage yard outside through the image color and hot spot tracking display function displayed on the screen, so as to avoid the excessive temperature inside the coal accumulated in the closed coal storage yard outside and the failure to find it in time, which may lead to coal combustion safety accidents. The explosion-proof camera 21 is installed on the left end face of the second connecting plate 39. The explosion-proof camera 21 not only facilitates the monitoring personnel to remotely see the internal situation of the closed coal storage yard outside. It can also work normally in these high-risk environments of the coal yard.

[0028] A gas detector 23 is installed on the right side of the front end face of the fixed vertical plate 5. The gas detector 23 can monitor the gas concentration in the external closed coal storage yard so that the monitoring personnel can know the gas concentration in the external closed coal storage yard in real time. An explosion-proof dust detector 22 is installed on the left side of the front end face of the fixed vertical plate 5. The explosion-proof dust detector 22 can measure the total dust or respirable dust concentration in the environment where there is a flammable and explosive combustible gas mixture inside the external closed coal storage yard. An explosion-proof sound and light alarm 25 is installed on the rear side of the upper end face of the mounting frame 1, which can warn the external closed coal storage yard through sound and various lights. The staff inside the yard sends out a warning signal so that they can give a timely alarm in case of danger inside the closed coal storage yard. The explosion-proof camera 21, explosion-proof dust detector 22, gas detector 23, infrared imager 24 and explosion-proof sound and light alarm 25 are all connected to the external monitoring control room signal through wires. A first dust-proof brim is installed on the front side of the upper end of the explosion-proof camera 21, and the first dust-proof brim will protect the front end face of the explosion-proof camera 21 from dust. A second dust-proof brim is installed on the front side of the upper end of the infrared imager 24, and the second dust-proof brim will protect the front end face of the infrared imager 24 from dust.

[0029] Embodiment 2:

[0030] On the basis of Example 1, in this embodiment, by controlling the low-speed motor 38 to rotate forward or reverse, the support rod 35 can drive the support tube 32 to rotate forward or reverse, and the support tube 32 will drive the first connecting plate 33 and the second connecting plate 39 to swing left and right through the support shaft 34 to adjust the left and right shooting angles of the explosion-proof camera 21 and the infrared imager 24. When the motor 31 is controlled to rotate forward or reverse, the worm 37 will drive the transmission worm gear 36 to rotate forward or reverse, and the transmission worm gear 36 will drive the first connecting plate 33 and the second connecting plate 39 to rotate forward or reverse through the support shaft 34 to adjust the shooting angles of the explosion-proof camera 21 and the infrared imager 24 up and down.

[0031] The adjusting assembly 3 includes a motor 31, a support cylinder 32, a first connecting plate 33, a support shaft 34, a transmission worm gear 36, a worm 37 and a second connecting plate 39. A support cylinder 32 is arranged above the support seat 4, and the support cylinder 32 will support the support shaft 34. A support shaft 34 is arranged inside the support cylinder 32, and the support shaft 34 is connected to the transmission worm gear 36, the first connecting plate 33, the second connecting plate 39 and the limit ring 341 by welding. The support shaft 34 will drive the first connecting plate 33 and the second connecting plate 39 to rotate.

[0032] A transmission worm gear 36 is arranged in the middle position of the annular side surface of the support shaft 34, and the transmission worm gear 36 will drive the support shaft 34 to rotate. A worm 37 is meshed at the lower side of the annular side surface of the transmission worm gear 36, and the worm 37 will drive the transmission worm gear 36 to rotate. A motor 31 is installed at the rear end of the worm 37, and the motor 31 is connected to the external monitoring control room through a wire. The motor 31 is an explosion-proof motor. The motor 31 as an explosion-proof motor not only drives the worm 37 to rotate, but also has explosion-proof capability. A first connecting plate 33 is arranged at the right end of the support shaft 34, and the first connecting plate 33 supports the infrared imager 24. A second connecting plate 33 is arranged at the left end of the support shaft 34. 9. The second connecting plate 39 will support the explosion-proof camera 21. A support rod 35 is provided on the lower side of the annular side of the support tube 32, and the support rod 35 is connected to the support tube 32 by welding. The support rod 35 will support the support tube 32. A low-speed motor 38 is installed inside the support seat 4, and the low-speed motor 38 is connected to the external monitoring control room through a wire. The low-speed motor 38 will drive the support shaft 34 to rotate at a low speed. A limiting ring 341 is provided on the right side of the annular side of the support shaft 34, and a blocking cover 321 is installed on the right end face of the support tube 32. The limiting ring 341 and the blocking cover 321 prevent the support shaft 34 from being displaced during rotation.

[0033] Working principle: By installing a gas detector 23, the gas concentration in the external closed coal storage yard can be monitored, so that the monitoring personnel can know the gas concentration in the external closed coal storage yard in real time. By installing an explosion-proof dust detector 22, the total dust or respirable dust concentration in the environment of the external closed coal storage yard where there is a mixture of flammable and explosive combustible gases can be measured, and the measured data can be transmitted to the external monitoring control room in real time so that the monitoring personnel can understand it in real time. By installing an infrared imager 24, the target can be imaged in real time in the form of a "surface", so that the monitoring personnel can see it through the screen. The displayed image color and hot spot tracking can preliminarily judge the heating situation inside the coal in the external closed coal storage yard. By installing the explosion-proof camera 21, it is convenient for the monitoring personnel to remotely see the internal situation of the external closed coal storage yard in real time. Once one of the values ​​of the gas concentration, respirable dust concentration and internal heat of the coal pile in the external closed coal storage yard exceeds the standard, the monitoring personnel only need to activate the explosion-proof sound and light alarm 25, which can enable the explosion-proof sound and light alarm 25 to send warning signals to the internal staff of the external closed coal storage yard through sound and various lights, so that the internal staff of the external closed coal storage yard can evacuate in time.

[0034] The monitoring personnel only need to control the low-speed motor 38 to rotate forward or reverse through the external monitoring control room, so that the support rod 35 can drive the support tube 32 to rotate forward or reverse, and the support tube 32 will drive the first connecting plate 33 and the second connecting plate 39 to swing left and right through the support shaft 34, and the first connecting plate 33 drives the infrared imager 24 to swing left and right together, and the second connecting plate 39 will drive the explosion-proof camera 21 to swing left and right together, so as to adjust the left and right shooting angles of the explosion-proof camera 21 and the infrared imager 24; when the monitoring personnel control the motor 31 to rotate forward or reverse through the external monitoring control room, the worm 37 will drive the transmission worm wheel 36 to rotate forward or reverse, and the transmission worm wheel 36 will drive the first connecting plate 33 and the second connecting plate 39 to rotate forward or reverse together through the support shaft 34, thereby making the first connecting plate 33 and the second connecting plate 39 drive the explosion-proof camera 21 and the infrared imager 24 to rotate forward or reverse together, so as to adjust the shooting angles of the explosion-proof camera 21 and the infrared imager 24 up and down, so as to increase the shooting range of the explosion-proof camera 21 and the infrared imager 24.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A monitoring device for a closed coal storage yard, comprising a mounting frame (1), a support base (4) and a fixed vertical plate (5), characterized in that: A support seat (4) is fixedly connected to the front side of the upper end face of the mounting frame (1), a fixed vertical plate (5) is fixedly connected to the front side of the inner wall of the mounting frame (1), a monitoring component (2) for monitoring and detecting the inside of an external closed coal storage yard is arranged on the upper end face of the mounting frame (1), and an adjustment component (3) for adjusting the viewing angle of the monitoring component (2) is arranged on the upper end face of the supporting seat (4).

2. The monitoring device for a closed coal storage yard according to claim 1, characterized in that: The adjustment assembly (3) comprises a motor (31), a support tube (32), a first connecting plate (33), a support shaft (34), a transmission worm wheel (36), a worm (37) and a second connecting plate (39); a support tube (32) is arranged above the support seat (4); a support shaft (34) is arranged inside the support tube (32); a transmission worm wheel (36) is arranged at the middle position of the annular side surface of the support shaft (34); a worm (37) is meshed at the lower side of the annular side surface of the transmission worm wheel (36); a motor (31) is installed at the rear end of the worm (37); a first connecting plate (33) is arranged at the right end of the support shaft (34); and a second connecting plate (39) is arranged at the left end of the support shaft (34).

3. The monitoring device for a closed coal storage yard according to claim 2, characterized in that: A support rod (35) is provided on the lower side of the annular side surface of the support cylinder (32), and a low-speed motor (38) is installed inside the support seat (4).

4. The monitoring device for a closed coal storage yard according to claim 2, characterized in that: The monitoring assembly (2) comprises an explosion-proof camera (21), an explosion-proof dust detector (22), a methane gas detector (23), an infrared imager (24) and an explosion-proof sound and light alarm (25); the infrared imager (24) is mounted on the right end surface of the first connecting plate (33); the explosion-proof camera (21) is mounted on the left end surface of the second connecting plate (39); the methane gas detector (23) is mounted on the right side of the front end surface of the fixed vertical plate (5); the explosion-proof dust detector (22) is mounted on the left side of the front end surface of the fixed vertical plate (5); and the explosion-proof sound and light alarm (25) is mounted on the rear side of the upper end surface of the mounting frame (1).

5. The monitoring device for a closed coal storage yard according to claim 2, characterized in that: A limiting ring (341) is provided on the right side of the annular side surface of the support shaft (34), and a blocking cover (321) is installed on the right end surface of the support cylinder (32).

6. The monitoring device for a closed coal storage yard according to claim 1, characterized in that: A protective cover (41) is installed on the upper end surface of the support seat (4); the support seat (4) is made of a flameproof shell; a fixing cavity (11) is provided on the lower side of the interior of the mounting frame (1); and the mounting frame (1) is L-shaped.

7. The monitoring device for a closed coal storage yard according to claim 4, characterized in that: The explosion-proof camera (21), the explosion-proof dust detector (22), the gas detector (23), the infrared imager (24) and the explosion-proof sound and light alarm (25) are all connected to the external monitoring control room signal through wires. A first dust-proof brim is installed on the front side of the upper end of the explosion-proof camera (21), and a second dust-proof brim is installed on the front side of the upper end of the infrared imager (24).

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