Underground anti-power-off protection device

Abstract

The underground power-off prevention protection device comprises an installation box and a movable rod, a power supply air switch is fixedly installed in the installation box, a protection cover is movably installed at the front end of the installation box, an observation window is formed in the protection cover, an installation plate is movably installed on the outer side of the protection cover, and a power supply is arranged on the movable rod. And a cleaning plate matched with the observation window is movably mounted on the inner side of the mounting plate through a sliding rod. Through mutual cooperation of the cleaning plate, the mounting plate, the sliding rods and the sliding blocks, the sliding blocks mounted on the two sides of the mounting plate can slide along the outer sides of the movable rods by pulling a pulling block, the cleaning plate can clean the surface of the observation window in the up-and-down moving process of the mounting plate, the dust cleaning process can be more convenient, and the cleaning efficiency is improved. The power supply air switch can be prevented from being contaminated by dust, the service life of the power supply air switch is prolonged, and the power supply air switch is effectively powered off.

Description

Technical Field

[0001] The utility model relates to the technical field of power-off protection, in particular to an underground power-off protection device. Background Art

[0002] In the underground working environment of coal mines, due to various factors such as complex and changeable geological conditions, aging of electrical equipment, and external environmental interference, power outages often occur in the underground power system. Power outages not only affect production operations, but may also cause a series of safety problems.

[0003] Among them, the "A coal mine underground explosion-proof switch wiring room cover opening power-off protection device" disclosed by application number "CN203406597U" has solved the various disadvantages of the existing cover opening power-off device, which adopts power carrier to transmit signals but cannot select the disconnection range well. This is the deficiency of the prior art. After further searching, it is found that the "A new underground electrical equipment cover opening power-off protection device" disclosed by application number "CN217406175U" has effectively solved the problem of complicated operation and high cost through specific technical structure settings. Due to reasons such as the above, it has not been widely used. Based on the above problems, according to the technical disadvantages such as the need for power-off protection of mine electrical equipment when the cover is opened, however, in actual use, power-off protection devices with similar structures still have many defects, such as: operating in the existing underground coal mine environment, directly exposed to the air, a lot of dust will accumulate on the surface of the power air switch for a long time, which is not convenient to clean, and the safety protection performance is poor, which will cause more corrosion to the switch, resulting in equipment aging and prone to power outages. Therefore, it is necessary to design an underground anti-power-off protection device to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide an underground power-off protection device to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an underground power-off protection device, comprising an installation box and a movable rod, a power air switch is fixedly installed inside the installation box, a protective cover is movably installed at the front end of the installation box, an observation window is arranged on the protective cover, a mounting plate is movably installed on the outside of the protective cover, a cleaning plate cooperating with the observation window is movably installed on the inside of the installation plate through a sliding rod, and a spring is sleeved on the outside of the sliding rod outside the installation plate. By pulling the pulling block, the sliding blocks installed on both sides of the installation plate can slide along the outside of the movable rod, and the cleaning plate can clean the surface of the observation window during the up and down movement of the installation plate, which can make the dust cleaning process more convenient, so that the power air switch can be prevented from being contaminated by dust, and the service life of the power air switch is increased, and the power air switch is effectively prevented from being powered off.

[0006] Preferably, the installation box and the protective cover are movably connected via an installation shaft, and a dustproof top is fixedly installed on the top of the installation box. The protective cover can be rotated more conveniently via the installation shaft, so that the protective cover can be conveniently opened and fitted.

[0007] Preferably, the top and bottom of the installation box are fixedly installed with fixing blocks, the interior of the protective cover is provided with a sealing gasket, and the inner side of the protective cover is fixedly installed with an adsorption magnet. The adsorption magnet can be used to conveniently adsorb the protective cover and the installation box so that the protective cover can fit the installation box.

[0008] Preferably, a pulling block is fixedly mounted on the front end of the mounting plate, and the surface of the pulling block is provided with anti-slip grooves. By pulling the pulling block, the sliding blocks mounted on both sides of the mounting plate can slide along the outer side of the movable rod, and the cleaning plate can clean the surface of the observation window during the up and down movement of the mounting plate.

[0009] Preferably, a snap block is fixedly mounted on the bottom of the protective cover, and a snap slot corresponding to the snap block is provided on the installation box. The snap block and the snap slot are connected to each other, so that the snapping process between the protective cover and the installation box can be more convenient, and tilting can be prevented, and the process of fitting can be more stable.

[0010] Preferably, the protective cover and the mounting plate are movably mounted via a movable rod, and sliding blocks cooperating with the movable rod are fixedly mounted on both sides of the mounting plate. The sliding blocks mounted on both sides of the mounting plate slide along the outer side of the movable rod, so that the cleaning plate can clean the surface of the observation window during the up and down movement of the mounting plate.

[0011] In summary, this application includes the following beneficial technical effects:

[0012] 1. The utility model is provided with a protective cover, a mounting block and a docking sleeve that cooperate with each other. The protective cover can rotate around the mounting axis so that the protective cover fits with the front end of the mounting box. The protective cover can protect the power air switch installed inside the mounting box. The protective cover can be conveniently adsorbed between the protective cover and the mounting box by using an adsorption magnet so that the protective cover can fit with the mounting box. The interior of the mounting box can be sealed by using a sealing gasket to prevent dust from entering the interior of the power air switch, thereby better isolating the dust.

[0013] 2. The utility model is provided with a cleaning plate, a mounting plate, a sliding rod and a sliding block that cooperate with each other. By pulling the pulling block, the sliding blocks installed on both sides of the mounting plate can slide along the outer side of the movable rod. In the process of the mounting plate moving up and down, the cleaning plate can clean the surface of the observation window. At the same time, through the squeezing effect of the spring, the cleaning plate and the observation window can be closely fitted, which can make the dust cleaning process more convenient, prevent the power supply air switch from being contaminated by dust, increase the service life of the power supply air switch, and effectively prevent the power supply air switch from being powered off. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a first perspective schematic diagram of the appearance of the utility model;

[0015] Figure 2 It is a second perspective schematic diagram of the appearance of the utility model;

[0016] Figure 3 This is a schematic diagram of the inner three-dimensional structure of the protective cover of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional partial structure of the mounting plate of the utility model.

[0018] In the figure: 1. Installation box; 101. Installation shaft; 102. Protection cover; 103. Observation window; 104. Power air switch; 105. Fixed block; 106. Dustproof top; 107. Sealing gasket; 108. Snap block; 109. Snap groove; 110. Adsorption magnet; 2. Movable rod; 201. Sliding block; 202. Installation plate; 203. Pulling block; 204. Sliding rod; 205. Spring; 206. Cleaning plate. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] Embodiment 1

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, an underground power-off protection device proposed by the utility model comprises an installation box 1 and a movable rod 2, a power air switch 104 is fixedly installed inside the installation box 1, a protective cover 102 is movably installed at the front end of the installation box 1, an observation window 103 is arranged on the protective cover 102, a mounting plate 202 is movably installed on the outer side of the protective cover 102, a cleaning plate 206 cooperating with the observation window 103 is movably installed on the inner side of the installation plate 202 through a sliding rod 204, a spring 205 is sleeved on the outer side of the sliding rod 204 outside the installation plate 202, the installation box 1 and the protective cover 102 are movably connected through the installation shaft 101, a dustproof top 106 is fixedly installed on the top of the installation box 1, a fixing block 105 is fixedly installed on the top and bottom of the installation box 1, a sealing gasket 107 is arranged inside the protective cover 102, and an adsorption magnet 110 is fixedly installed on the inner side of the protective cover 102.

[0022] The working principle of an underground power-off protection device based on the first embodiment is as follows: the protective cover 102 can rotate around the installation shaft 101, so that the protective cover 102 fits with the front end of the installation box 1, and the protective cover 102 can protect the power air switch 104 installed inside the installation box 1. The protective cover 102 can be easily adsorbed between the protective cover 102 and the installation box 1 by using the adsorption magnet 110, so that the protective cover 102 can fit between the installation box 1, and the sealing gasket 107 can be used to seal the inside of the installation box 1 to prevent dust from entering the inside of the power air switch 104, so that the dust can be better isolated. By pulling the pulling block 203, the sliding blocks 201 installed on both sides of the mounting plate 202 can slide along the outer side of the movable rod 2, and the cleaning plate 206 can clean the surface of the observation window 103 during the up and down movement of the mounting plate 202. At the same time, the squeezing effect of the spring 205 can make the cleaning plate 206 and the observation window 103 fit tightly, which can make the dust cleaning process more convenient, prevent the power air switch 104 from being contaminated by dust, increase the service life of the power air switch 104, and effectively prevent the power air switch 104 from being powered off.

[0023] Embodiment 2

[0024] like Figure 2 and Figure 4 As shown, the utility model proposes an underground power-off protection device. Compared with the first embodiment, this embodiment also includes: a pulling block 203 is fixedly installed on the front end of the mounting plate 202, and the surface of the pulling block 203 is provided with anti-slip grooves, and a snap block 108 is fixedly installed on the bottom of the protective cover 102, and a snap groove 109 corresponding to the snap block 108 is opened on the mounting box 1, and the protective cover 102 and the mounting plate 202 are movably installed through a movable rod 2, and sliding blocks 201 cooperating with the movable rod 2 are fixedly installed on both sides of the mounting plate 202.

[0025] In this embodiment, Figure 4 As shown, by pulling the pulling block 203, the sliding blocks 201 installed on both sides of the mounting plate 202 can slide along the outer side of the movable rod 2, and the cleaning plate 206 can clean the surface of the observation window 103 during the up and down movement of the mounting plate 202; Figure 2 As shown, by docking the snap block 108 with the snap groove 109, the snapping process between the protective cover 102 and the installation box 1 can be made more convenient, and tilting can be prevented, and the process of bonding can be more stable; Figure 4 As shown, the sliding blocks 201 installed on both sides of the mounting plate 202 slide along the outer side of the movable rod 2, and the cleaning plate 206 can clean the surface of the observation window 103 during the up and down movement of the mounting plate 202.

[0026] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. An underground power-off protection device, comprising a mounting box (1) and a movable rod (2), characterized in that: A power supply air switch (104) is fixedly installed inside the installation box (1), a protective cover (102) is movably installed at the front end of the installation box (1), an observation window (103) is arranged on the protective cover (102), a mounting plate (202) is movably installed on the outer side of the protective cover (102), a cleaning plate (206) cooperating with the observation window (103) is movably installed on the inner side of the installation plate (202) through a sliding rod (204), and a spring (205) is sleeved on the outer side of the sliding rod (204) outside the installation plate (202).

2. The underground power-off protection device according to claim 1, characterized in that: The installation box (1) and the protective cover (102) are movably connected via an installation shaft (101), and a dustproof top (106) is fixedly mounted on the top of the installation box (1).

3. The underground power-off protection device according to claim 1, characterized in that: The top and bottom of the installation box (1) are fixedly mounted with fixing blocks (105), a sealing gasket (107) is provided inside the protective cover (102), and an adsorption magnet (110) is fixedly mounted on the inner side of the protective cover (102).

4. The underground power-off protection device according to claim 1, characterized in that: A pulling block (203) is fixedly mounted on the front end of the mounting plate (202), and the surface of the pulling block (203) is provided with anti-slip grooves.

5. The underground power-off protection device according to claim 1, characterized in that: A snap-fit ​​block (108) is fixedly mounted on the bottom of the protective cover (102), and a snap-fit ​​groove (109) corresponding to the snap-fit ​​block (108) is provided on the installation box (1).

6. The underground power-off protection device according to claim 1, characterized in that: The protective cover (102) and the mounting plate (202) are movably mounted via a movable rod (2), and sliding blocks (201) cooperating with the movable rod (2) are fixedly mounted on both sides of the mounting plate (202).

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