Portable coal mine safety monitoring device

Abstract

The utility model discloses a portable coal mine safety monitoring device, and belongs to the technical field of coal mine safety monitoring. Comprising a bottom box; the top of the bottom box is provided with the mounting plate; the telescopic mechanism is mounted between the bottom box and the mounting plate; the locking mechanisms are mounted at the two ends of the mounting plate, and the locking mechanisms are connected with the telescopic mechanisms; the monitor is mounted in the middle of the top surface of the mounting plate; during use, the bottom box is placed on the ground of a mine hole, the locking mechanism is unlocked, so that the mounting plate can be directly pulled to enable the telescopic mechanism to extend, the height of the monitor is adjusted, the locking mechanism is locked after adjustment, the telescopic mechanism is stably supported and convenient to use, the locking mechanism is unlocked again when the monitor is transferred and carried, and the monitor is convenient to use. The mounting plate is pressed, so that the telescopic mechanism retracts into the bottom box, the mounting plate is locked after being attached to the bottom box, and the device integrally forms a suitcase structure and can be directly lifted to be carried, so that the carrying is convenient.

Description

Technical Field

[0001] This application relates to the field of coal mine safety monitoring technology, and more specifically, to a portable coal mine safety monitoring device. Background Technology

[0002] During coal mining, it is necessary to monitor the environment inside the mine, especially the monitoring of dangerous gases such as methane. Detecting dangerous gases facilitates the evacuation of personnel and prevents poisoning inside the mine. Therefore, it is necessary to quickly deploy monitoring devices while the mine is being excavated.

[0003] Existing technology publication CN219622748U discloses a portable coal mine safety monitoring device, including a base plate. A support column is fixedly connected to the bottom end of the base plate, and a conical block is fixedly connected to the bottom end of the support column. A safety monitoring instrument is threadedly connected to the top end of the base plate. Strip grooves are formed on both the left and right sides of the base plate, and a retraction mechanism is slidably connected inside the strip grooves. This utility model adopts the above structure. When in use, the support column is inserted into the ground, supporting the position of the base plate and preventing displacement. Then, the safety monitoring instrument can be used to monitor the coal mine shaft. When the coal mine shaft is dug deeper and the position of the safety monitoring instrument needs to be moved or changed, the handle can be grasped, and the base plate can be lifted using the principle of force to change its position. The sponge pad protects the user's palm, facilitating the carrying of the safety monitoring instrument.

[0004] Although the existing technical solutions described above can achieve the relevant beneficial effects through their structure, they still have the following drawbacks:

[0005] The device's overall size is not expandable, so it can only be carried by lifting the entire device with a handle, which is equivalent to always carrying a table, making it difficult to carry.

[0006] Regarding the aforementioned related technologies, the inventor believes that the overall volume of the device cannot be expanded or contracted, and when carrying it, the entire device can only be lifted by the handle, which is equivalent to always carrying a table, resulting in poor portability.

[0007] In view of this, we propose a portable coal mine safety monitoring device. Utility Model Content

[0008] 1. Technical problems to be solved

[0009] The purpose of this application is to provide a portable coal mine safety monitoring device, which solves the technical problem in the background technology that the overall size of the device cannot be expanded or contracted, and when carrying it, the entire device can only be lifted by the handle, which is equivalent to always carrying a table, resulting in poor portability, and thus achieves the technical effect.

[0010] 2. Technical Solution

[0011] This application provides a portable coal mine safety monitoring device, comprising:

[0012] Base box;

[0013] Mounting plate, the top of the base box is provided with a mounting plate;

[0014] A telescopic mechanism is installed between the base box and the mounting plate;

[0015] A locking mechanism is provided at both ends of the mounting plate, and the locking mechanism is connected to the telescopic mechanism.

[0016] The monitoring device is installed in the middle of the top surface of the mounting plate;

[0017] A protective cover is hinged to the mounting plate.

[0018] With the above solution, when in use, the base box is placed on the mine floor, the locking mechanism is unlocked, and the mounting plate can be pulled directly to extend the telescopic mechanism, thereby adjusting the height of the monitor. After adjustment, the locking mechanism is locked, and the telescopic mechanism provides stable support, making it convenient to use. When transferring or carrying it, the locking mechanism is unlocked again, and the mounting plate is pressed, causing the telescopic mechanism to retract into the base box. After the mounting plate fits against the base box, it is locked, and the entire device forms a carrying case structure, which can be lifted and carried directly, making it convenient to carry.

[0019] Optionally, the telescopic mechanism includes long connecting rods. Multiple pairs of long connecting rods are provided at the four corners of the base box and the mounting plate. The middle of each pair of long connecting rods is rotatably connected to each other by a pin. The end faces of adjacent pairs of long connecting rods are hinged to each other. The two end faces of the uppermost and lowermost long connecting rods are respectively hinged to one end of the first short connecting rod and the second short connecting rod. The other end of the first short connecting rod is fixedly installed with a rotating shaft. The other end of the second short connecting rod is rotatably sleeved with the rotating shaft. A U-shaped seat is fixedly installed at the bottom of the inner cavity of the base box. A through groove is opened at the bottom of the mounting plate. The rotating shaft is rotatably sleeved with the U-shaped seat and the through groove respectively. The lengths of the first short connecting rod and the second short connecting rod are both half the length of the long connecting rod. Adjacent long connecting rods and the long connecting rods with the first and second short connecting rods form a rhombus mechanism. The rotating shaft in the through groove is connected to a locking mechanism.

[0020] With the above scheme, after the locking mechanism is unlocked, the mounting plate can be directly lifted or pressed down, thereby causing the diamond-shaped mechanism formed between the long connecting rod, the first short connecting rod, and the second short connecting rod to extend or compress, achieving the purpose of raising or folding, so that the mounting plate can be raised for support or lowered to reduce its volume for carrying.

[0021] Optionally, the locking mechanism includes a rotating groove, one side of which has a rotating groove. A gear is fixedly sleeved on one end of a rotating shaft within the rotating groove. The gear rotates within the rotating groove. A sliding groove communicating with the rotating groove is formed within the mounting plate. A toothed plate is slidably engaged within the sliding groove. The toothed plate meshes with the gear. A sliding rod is fixedly connected to one side of the toothed plate. The sliding rod slides through the end face of the mounting plate and is fixedly connected to a pull plate. Handles are fixedly installed at both ends of the mounting plate, with the handles located outside the pull plate. A spring is installed between the toothed plate and the inner wall of the sliding groove. The spring is always in a compressed state. A lifting ring is fixedly installed on the outer wall of the mounting plate. A matching latch is installed between the protective cover and the mounting plate. A breathable mesh is provided on the side wall of the protective cover.

[0022] With the above scheme, after the base box is placed on the mine floor, both hands hold the handles and press the pull plate. The pull plate pulls the slide rod, which in turn pulls the toothed plate, causing the toothed plate to compress the spring and disengage from the gear. At this point, the gear can rotate with the shaft, allowing the mounting plate to be lifted higher. After releasing the pull plate, the spring pushes the toothed plate to mesh with the gear, preventing the gear from rotating and locking the shaft. This prevents the first short connecting rod from rotating, locking the telescopic mechanism and achieving stable support. Similarly, pulling the pull plate again unlocks the gear, and pressing the mounting plate causes the telescopic mechanism to fold into the base box. The final device forms a small carrying case, making it easy to lift and carry.

[0023] 3. Beneficial effects

[0024] One or more technical solutions provided in this application have at least the following technical effects or advantages:

[0025] 1. In this application, after the base box is placed on the mine floor, both hands hold the handles and press the pull plate. The pull plate pulls the slide rod, which in turn pulls the toothed plate, causing the toothed plate to compress the spring and disengage from the gear. At this time, the gear can rotate with the shaft, allowing the mounting plate to be lifted directly. The diamond-shaped mechanism formed by the long connecting rod, the first short connecting rod, and the second short connecting rod extends. After releasing the pull plate, the spring pushes the toothed plate to mesh with the gear, preventing the gear from rotating and locking the shaft. This prevents the first short connecting rod from rotating, locking the telescopic mechanism and achieving stable support for easy use. Similarly, pulling the pull plate again unlocks the gear, and pressing the mounting plate causes the telescopic mechanism to fold into the base box. The final device forms a small-volume suitcase, making it easy to lift and carry. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of a portable coal mine safety monitoring device disclosed in a preferred embodiment of this application;

[0027] Figure 2 This application discloses a preferred embodiment. Figure 1Enlarged structural diagram at point A in the middle;

[0028] Figure 3 This application discloses a preferred embodiment. Figure 2 Enlarged structural diagram at point B;

[0029] The following are the labels in the diagram: 1. Base box; 2. Mounting plate; 3. Telescopic mechanism; 31. Long connecting rod; 32. First short connecting rod; 33. Second short connecting rod; 34. U-shaped seat; 35. Through groove; 36. Rotating shaft; 4. Locking mechanism; 41. Rotating groove; 42. Gear; 43. Slide groove; 44. Tooth plate; 45. Slide rod; 46. Pull plate; 47. Handle; 48. Spring; 5. Monitoring instrument; 6. Protective cover. Detailed Implementation

[0030] The present application will be further described in detail below with reference to the accompanying drawings.

[0031] Reference Figure 1 This application provides a portable coal mine safety monitoring device, comprising: a base box 1; a mounting plate 2, the top of which is provided; a telescopic mechanism 3, which is installed between the base box 1 and the mounting plate 2; a locking mechanism 4, which is installed at both ends of the mounting plate 2 and connected to the telescopic mechanism 3; a monitor 5, which is installed in the middle of the top surface of the mounting plate 2; and a protective cover 6, which is hinged to the mounting plate 2. In use, the base box 1 is placed on the mine floor, and the locking mechanism 4 is unlocked, allowing the mounting plate 2 to be pulled directly, causing the telescopic mechanism 3 to extend and thus adjusting the height of the monitor 5. After adjustment, the locking mechanism 4 is locked, providing stable support for the telescopic mechanism 3. This device is convenient to use. When transferring or carrying it, the locking mechanism 4 is unlocked again, and the mounting plate 2 is pressed, causing the telescopic mechanism 3 to retract into the base box 1. The mounting plate 2 then locks against the base box 1. The entire device forms a carrying case structure, allowing for easy lifting and carrying.

[0032] Reference Figure 1 and Figure 2The telescopic mechanism 3 includes long connecting rods 31. Multiple pairs of long connecting rods 31 are provided at the four corners of the base box 1 and the mounting plate 2. The middle of each pair of long connecting rods 31 is rotatably connected to each other via a pin. The end faces of adjacent pairs of long connecting rods 31 are hinged together. The two end faces of the uppermost and lowermost long connecting rods 31 are respectively hinged to one end of a first short connecting rod 32 and a second short connecting rod 33. The other end of the first short connecting rod 32 is fixedly mounted with a rotating shaft 36. The other end of the second short connecting rod 33 is rotatably sleeved onto the rotating shaft 36. A U-shaped seat 34 is fixedly installed at the bottom of the inner cavity of the base box 1. A through groove 35 is opened at the bottom of the mounting plate 2, and the rotating shaft 36 rotatably sleeves onto the U-shaped seat 34. The base 34 and the through slot 35, the length of the first short connecting rod 32 and the second short connecting rod 33 are both half the length of the long connecting rod 31. The adjacent long connecting rods 31 and the long connecting rod 31 with the first short connecting rod 32 and the second short connecting rod 33 form a rhombus mechanism. The rotating shaft 36 in the through slot 35 is connected to the locking mechanism 4. After the locking mechanism 4 is unlocked, the mounting plate 2 can be directly lifted or pressed down, so that the rhombus mechanism formed by the long connecting rod 31 with the first short connecting rod 32 and the second short connecting rod 33 can be extended or compressed to achieve the purpose of raising or folding, so that the mounting plate 2 can be raised for support or lowered to reduce the volume for carrying.

[0033] Reference Figure 2 and Figure 3 The locking mechanism 4 includes a rotating groove 41. A rotating groove 41 is opened on one side of a through groove 35. A gear 42 is fixedly sleeved at one end of a rotating shaft 36 within the through groove 35. The gear 42 rotates within the rotating groove 41. A sliding groove 43 is opened in the mounting plate 2, connecting to the rotating groove 41. A toothed plate 44 is slidably engaged within the sliding groove 43, meshing with the gear 42. A sliding rod 45 is fixedly connected to one side of the toothed plate 44. The sliding rod 45 slides through the end face of the mounting plate 2 and is fixedly connected to a pull plate 46. Handles 47 are fixedly installed at both ends of the mounting plate 2, and the handles 47 are located outside the pull plate 46. A spring 48 is installed between the toothed plate 44 and the inner wall of the sliding groove 43. The spring 48 is always in a compressed state. A lifting ring is fixedly installed on the outer wall of the mounting plate 2. A matching latch is installed between the protective cover 6 and the mounting plate 2. The side wall is equipped with a ventilation mesh. After the bottom box 1 is placed on the mine floor, both hands hold the handle 47 and press the pull plate 46. The pull plate 46 pulls the slide rod 45, and the slide rod 45 pulls the toothed plate 44, which compresses the spring 48 and disengages from the gear 42. At this time, the gear 42 can rotate with the shaft 36, so the mounting plate 2 can be lifted higher. After releasing the pull plate 46, the spring 48 pushes the toothed plate 44 to mesh with the gear 42, so the gear 42 cannot rotate, thus locking the shaft 36. The first short connecting rod 32 cannot rotate, and the telescopic mechanism 3 is locked, achieving the purpose of stable support. Similarly, pulling the pull plate 46 again unlocks the gear 42, and pressing the mounting plate 2 causes the telescopic mechanism 3 to fold into the bottom box 1. The final device forms a small suitcase volume, which is easy to lift and carry directly.

[0034] Working principle: After the base box 1 is placed on the mine floor, hold the handle 47 with both hands and press the pull plate 46. The pull plate 46 pulls the slide rod 45, which in turn pulls the toothed plate 44. This causes the toothed plate 44 to compress the spring 48 and disengage from the gear 42. At this time, the gear 42 can rotate with the shaft 36, allowing the mounting plate 2 to be lifted directly. The diamond-shaped mechanism formed by the long connecting rod 31, the first short connecting rod 32, and the second short connecting rod 33 extends. After releasing the pull plate 46, the spring 48 pushes the toothed plate 44 to mesh with the gear 42, preventing the gear 42 from rotating and locking the shaft 36. This prevents the first short connecting rod 32 from rotating and locks the telescopic mechanism 3, achieving stable support and facilitating use. Similarly, pulling the pull plate 46 again unlocks the gear 42, and pressing the mounting plate 2 causes the telescopic mechanism 3 to fold into the base box 1. The final device forms a small-volume suitcase, making it easy to lift and carry.

Claims

1. A portable coal mine safety monitoring device, characterized in that: Include: Bottom box (1); Mounting plate (2), the top of the bottom box (1) is provided with mounting plate (2); Telescopic mechanism (3), a telescopic mechanism (3) is installed between the base box (1) and the mounting plate (2); Locking mechanism (4): The two ends of the mounting plate (2) are equipped with locking mechanism (4), and the locking mechanism (4) is connected to telescopic mechanism (3); The monitoring instrument (5) is installed in the middle of the top surface of the mounting plate (2); A protective cover (6) is hinged to the mounting plate (2).

2. The portable coal mine safety monitoring device according to claim 1, characterized in that: The telescopic mechanism (3) includes long connecting rods (31). Multiple pairs of long connecting rods (31) are provided between the four corners of the base box (1) and the mounting plate (2). The middle of each pair of long connecting rods (31) is rotatably connected to each other by a pin. The end faces of two adjacent pairs of long connecting rods (31) are hinged to each other. The two end faces of the uppermost and lowermost long connecting rods (31) are respectively hinged to one end of the first short connecting rod (32) and the second short connecting rod (33). The other end of the first short connecting rod (32) is fixedly installed with a rotating shaft (36). The other end of the second short connecting rod (33) is rotatably sleeved with the rotating shaft (36). A U-shaped seat (34) is fixedly installed at the bottom of the inner cavity of the base box (1). A through groove (35) is opened at the bottom of the mounting plate (2). The rotating shaft (36) is rotatably sleeved with the U-shaped seat (34) and the through groove (35).

3. A portable coal mine safety monitoring device according to claim 2, characterized in that: The lengths of the first short link (32) and the second short link (33) are both half the length of the long link (31). The adjacent long links (31) and the long link (31) with the first short link (32) and the second short link (33) form a rhombus mechanism. The rotating shaft (36) in the through groove (35) is connected to the locking mechanism (4).

4. A portable coal mine safety monitoring device according to claim 3, characterized in that: The locking mechanism (4) includes a rotating groove (41). A rotating groove (41) is opened on one side of the through groove (35). A gear (42) is fixedly sleeved on one end of the rotating shaft (36) in the through groove (35). The gear (42) is rotatably sleeved in the rotating groove (41). A sliding groove (43) communicating with the rotating groove (41) is opened in the mounting plate (2). A toothed plate (44) is slidably engaged in the sliding groove (43). The toothed plate (44) meshes with the gear (42). A sliding rod (45) is fixedly connected to one side of the toothed plate (44). The sliding rod (45) slides through the end face of the mounting plate (2) and is fixedly connected to the pull plate (46). A handle (47) is fixedly installed at both ends of the mounting plate (2), and the handle (47) is located outside the pull plate (46). A spring (48) is installed between the toothed plate (44) and the inner wall of the sliding groove (43).

5. A portable coal mine safety monitoring device according to claim 4, characterized in that: The spring (48) is always in a compressed state. A lifting ring is fixedly installed on the outer wall of the mounting plate (2). A matching buckle is installed between the protective cover (6) and the mounting plate (2). A breathable mesh is provided on the side wall of the protective cover (6).

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