Mining safety helmet capable of quickly wearing miner lamp

Abstract

The mining safety helmet comprises a helmet shell, a lamp holder is fixedly arranged in front of the helmet shell and is of a semi-closed box structure, an inverted trapezoidal lamp holder groove is formed in the upper portion of the lamp holder, a limiting groove is formed in the lower portion of the lamp holder, the limiting groove communicates with the lamp holder groove, a through hole is formed in the surface of the limiting groove, and the two ends of the top of the lamp holder are connected with guiding top ribs correspondingly; the two guide top ribs are longitudinally arranged and extend to the rear portion of the helmet shell, the miner's lamp connecting plate is clamped between the two guide top ribs, and the miner's lamp connecting plate is provided with a spherical part matched with the through hole, so that when a user wears the lighting miner's lamp, the miner's lamp connecting plate is arranged in the two guide top ribs and slides forwards along the helmet shell, and the miner's lamp connecting plate is connected with the helmet shell. When the mining lamp is mounted on the lamp holder, the mining lamp can slide into the inverted trapezoidal lamp holder groove and the limiting groove along the guide top rib, and the spherical part on the connecting plate is extruded into the limiting groove, clamped into the through hole and then fixed, so that the mining lamp is stably fixed on the lamp holder, a worker can quickly mount the mining lamp on the lamp holder, and the problem that a mining safety helmet is difficult to mount in the prior art is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of mine safety protection equipment, and in particular relates to a mine safety helmet capable of being quickly worn with a mining lamp. Background Art

[0002] The working environment in coal mines is complex, with narrow spaces filled with various equipment and pipelines, and uneven tunnel walls. Workers need to frequently shuttle between different areas to perform high-intensity physical operations, with large body shaking. At the same time, coal mining and transportation operations produce strong vibrations, and the underground ventilation system causes unstable airflow. In addition, there are flammable and explosive gases such as methane in coal mines, so methane detection is required at all times. The placement and use of methane detection equipment also takes up a certain amount of space, further exacerbating the complexity of the environment. These factors increase the possibility of miners' lamps falling off helmets, which has a certain impact on work safety and efficiency.

[0003] When a miner's lamp accidentally falls, it is difficult for workers to mount it back on their helmets effectively. This is mainly because the underground light is dim and workers rely on limited backup lighting. The workers' vision is blocked and it is difficult to accurately align the miner's lamp and the mounting slot of the helmet. In addition, in an emergency, if an abnormal methane concentration is detected, the workers may deform their movements due to nervousness, further reducing the accuracy of mounting. In addition, the miner's lamp and the helmet have been eroded by the harsh environment underground for a long time, and the mounting parts may be worn and deformed, resulting in a decrease in fit and increasing the difficulty of remounting.

[0004] In the prior art, there are some safety helmets. For example, the patent with publication number CN210747490U discloses a safety helmet, in which a front lamp holder is installed in front of the helmet shell by bolts. The lamp holder is a vertical structure, and a spring sheet is installed inside the lamp holder to mount and fix the lighting lamp. In this scheme, the front lamp holder is a rectangular structure. When the lighting lamp needs to be hung back on the safety helmet, the connecting piece of the lighting lamp needs to be accurately pointed into the groove of the front lamp holder and then pushed forward to form an extrusion fixation with the spring sheet. However, in the complex and dark environment underground, it is difficult for the connecting piece of the lighting mining lamp to accurately point to the lamp holder groove, so it needs to be re-mounted at different angles many times. Especially when the methane concentration is abnormal and the workers are eager to deal with it, the inconvenience of mounting the lighting mining lamp is more prominent. Therefore, there is a large room for improvement in the mounting of the lighting mining lamp. Summary of the invention

[0005] The purpose of the present invention is to provide a mining safety helmet with a mining lamp that can be quickly worn, so that workers can quickly mount the mining lamp by themselves after the mining lamp falls, thereby solving the problem of difficulty in mounting the mining safety helmet in the prior art.

[0006] The technical solution adopted by the present invention is a mining safety helmet for quickly wearing a mining lamp, comprising a helmet shell, a lamp holder fixedly arranged in front of the helmet shell, the lamp holder being a semi-closed box structure, an inverted trapezoidal lamp holder groove being arranged on the upper part of the lamp holder, a limiting groove being arranged on the lower part, the limiting groove being connected to the lamp holder groove and a through hole being arranged on the surface of the limiting groove, guide top ribs being connected to the two ends of the top of the lamp holder respectively, the two guide top ribs being arranged longitudinally and extending to the rear of the helmet shell, a mining lamp connecting plate being inserted between the two guide top ribs and a spherical portion matching the through hole being arranged on the mining lamp connecting plate, and after the mining lamp connecting plate slides into the limiting groove, the spherical portion is inserted into the through hole to realize limiting.

[0007] Preferably, the horizontal width of the above-mentioned mining lamp connecting plate is 5-8 mm smaller than the limiting groove.

[0008] Preferably, rectangular air-permeable grilles are respectively provided at the bottom of both sides of the cap shell.

[0009] Preferably, a methane sensor is provided inside the ventilation grille, and the methane sensor is electrically connected to an alarm, and the alarm is provided outside the cap shell.

[0010] Preferably, a cap removal sensor is arranged inside the cap shell, and the cap removal sensor is a pressure sensor, which is installed just above the inside of the cap shell. The cap removal sensor is connected to an alarm, and the alarm is arranged outside the cap shell.

[0011] Preferably, the guide top rib protrudes upward from the surface of the cap shell by 1-2 cm.

[0012] Preferably, a brim is extended outwardly from the bottom edge of the hat shell, and the width of the brim at the front of the hat shell is greater than the width of the brim at the sides and rear of the hat shell.

[0013] Compared with the prior art, the beneficial effect of the present invention is that when using the safety helmet and wearing the mining lamp, the mining lamp connecting plate is placed in the two guide top ribs and slides forward along the helmet shell, and then it can slide into the inverted trapezoidal lamp holder groove and the limit groove along the guide top ribs. The spherical part on the connecting plate is squeezed into the limit groove and fixed after being snapped into the through hole, so that the mining lamp is firmly fixed on the lamp holder, and the worker can quickly mount it by himself, which solves the problem of difficulty in mounting mining safety helmets in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of a safety helmet; Figure 2 is a front view of a safety helmet; Figure 3 is a side view of a safety helmet; Figure 4 A top view of a safety helmet; Figure 5 This is a schematic diagram of the lamp stand structure; Figure 6 Schematic diagram of the internal structure of the lamp stand. DETAILED DESCRIPTION

[0015] The present invention will be further explained below in conjunction with the accompanying drawings to facilitate better understanding by those skilled in the art. Example

[0016] like Figure 1-6 As shown, the mining safety helmet for quick wearing of the mining lamp comprises a cap shell 1, a lamp frame 2, a guide top rib 3, a cap brim 4 and a ventilation grille 5.

[0017] The front of the helmet shell 1 is fixedly connected to the lamp stand 2 by bolts. The lamp stand 2 is a semi-closed box structure. An inverted trapezoidal lamp stand groove 201 is provided on the upper part of the lamp stand 2, and a limiting groove 202 is provided on the lower part. The limiting groove 202 is connected to the lamp stand groove 201 and a through hole 203 is provided on the surface of the limiting groove 202. The two ends of the top of the lamp stand 2 are respectively connected to the guide top ribs 3. The two guide top ribs 3 are arranged longitudinally and extend to the rear of the helmet shell 1. The mining lamp connecting plate is inserted between the two guide top ribs 3 and a spherical part matching the through hole 203 is provided on the mining lamp connecting plate. After the mining lamp connecting plate slides into the limiting groove 202, the spherical part is inserted into the through hole 203 to achieve limiting.

[0018] Furthermore, the above-mentioned guide top rib 3 and lamp holder 2 are closely fitted and connected with each other, and the mining lamp connecting plate can be placed along the guide top rib 3 toward the lamp holder 2. The horizontal width of the mining lamp connecting plate is 5-8mm smaller than the limiting groove. When wearing the mining lamp, the mining lamp connecting plate is placed between the two guide top ribs 3, and slides forward along the cap shell 1, and then slides into the inverted trapezoidal lamp holder groove 201 along the guide top rib 3; wherein, the guide top rib 3 protrudes upward from the cap shell surface by 1-2cm, which is conducive to the limiting placement of the mining lamp harness on the guide top rib 3, and prevents the mining lamp harness from sliding to other directions.

[0019] In order to exchange air with the helmet shell 1 outside for ventilation and heat dissipation, rectangular air-permeable grilles 5 are respectively provided at the bottom of both sides of the helmet shell 1.

[0020] Furthermore, a methane sensor is provided inside the above-mentioned air-permeable grille 5. In this embodiment, the methane sensor can adopt a 1653nm methane butterfly laser produced by Jingxun Changtong, which can be edge-emitted and has good wavelength control and stability. The methane sensor is electrically connected to an alarm, and the alarm is arranged on the outside of the cap shell. The methane sensor is used to detect the methane content in the mine air. When the methane concentration in the external air reaches the set standard value, the alarm sounds an alarm to remind the wearer. The methane sensor is connected to the underground monitoring system, and the coal mine command and dispatch center will also receive real-time data from the methane sensor for timely processing.

[0021] A cap removal sensor is provided inside the cap shell. The cap removal sensor adopts a pressure sensor. In this embodiment, the pressure sensor adopts a VHDP503 sensor produced by VISTE, which is installed just above the inside of the cap shell. The cap removal sensor is connected to an alarm, which is arranged on the outside of the cap shell. The cap removal sensor detects in real time whether the safety helmet is worn correctly through changes in pressure. Once it is found that the helmet is not worn or taken off, an alarm will be issued immediately. The cap removal sensor is connected to the monitoring system. When the helmet is taken off, not only the on-site alarm will be issued, but the command and dispatch center will also receive a notification to remind the wearer, which effectively reduces such illegal cap removal behaviors underground and improves the safety of underground operations.

[0022] In order to improve the protective effect of the safety helmet, a brim 4 is extended outward from the bottom edge of the helmet shell 1 , and the width of the brim 4 at the front of the helmet shell 1 is greater than the width of the brim 4 at the sides and rear of the helmet shell 1 .

[0023] The overall structure of the present invention is simplified, which reduces the wearing burden of mine workers and ensures safety. At the same time, the temperature inside the safety helmet can be effectively reduced during wearing, making the workers' heads feel more comfortable and cool.

[0024] The above-described embodiments are only for describing the preferred implementation of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit and principles of the present invention, various modifications and improvements made by those skilled in the art to the technical solution of the present invention should all fall within the scope of protection determined by the claims of the present invention.

Claims

1. A quick-wear mining helmet for a mining lamp, characterized in that: The invention comprises a cap shell (1), a lamp holder (2) is fixedly arranged in front of the cap shell (1), the lamp holder (2) is a semi-enclosed box structure, an inverted trapezoidal lamp holder slot (201) is provided on the upper part of the lamp holder (2), a limiting slot (202) is provided on the lower part, the limiting slot (202) is communicated with the lamp holder slot (201), and a through hole (203) is provided on the surface of the limiting slot (202), two ends of the top of the lamp holder (2) are respectively connected to guide top ribs (3), the two guide top ribs (3) are arranged longitudinally and extend to the rear of the cap shell (1), a miner's lamp connecting plate is inserted between the two guide top ribs (3), and a spherical portion matching the through hole (203) is provided on the miner's lamp connecting plate, and after the miner's lamp connecting plate slides into the limiting slot (202), the spherical portion is inserted into the through hole (203) to achieve limiting.

2. The quick-wear mining helmet for a mining lamp according to claim 1, characterized in that: The horizontal width of the mining lamp connecting plate is 5-8 mm smaller than the limiting groove (202).

3. The quick-wear mining helmet for a mining lamp according to claim 1, characterized in that: Rectangular ventilation grilles (5) are respectively provided at the bottom of both sides of the cap shell (1).

4. The quick-wear mining helmet for a mining lamp according to claim 3, characterized in that: A methane sensor is provided inside the ventilation grille (5), and the methane sensor is electrically connected to an alarm, which is arranged on the outside of the cap shell (1).

5. The quick-wear mining helmet for a mining lamp according to claim 1, characterized in that: A cap removal sensor is arranged inside the cap shell (1), the cap removal sensor is a pressure sensor, and is installed just above the inside of the cap shell (1). The cap removal sensor is connected to an alarm, and the alarm is arranged outside the cap shell.

6. The quick-wear mining helmet for a mining lamp according to claim 1, characterized in that: The guide top rib (3) protrudes upward from the surface of the cap shell (1) by 1-2 cm.

7. The quick-wear mining helmet for a mining lamp according to claim 1, characterized in that: The bottom edge of the hat shell (1) is extended outwards to be provided with a brim (4), and the width of the brim (4) at the front of the hat shell (1) is greater than the width of the brim (4) at the sides and rear of the hat shell (1).

Images