A fixed bracket with protective function for coal mine laser pointing instrument

Abstract

This invention relates to the field of support equipment technology, and more particularly to a fixed support with protective function for a laser pointer in coal mines. It includes a fixed base, with legs rotatably connected to the fixed base via circumferentially evenly distributed hinge blocks. A liquid-containing shell is fixedly connected to the fixed base, and the liquid-containing shell is provided with a connecting member. A fixed frame is fixedly connected to the liquid-containing shell, and the fixed frame is slidably connected with circumferentially distributed sliding members. The connecting members are spherical, with the side of the sliding members away from the fixed frame fitting against the connecting members. A spring is sleeved on the sliding members, located between the fixed frame and the connecting members. An L-shaped frame is fixedly connected to the connecting members, and the L-shaped frame is provided with a swinging member, on which the laser pointer is placed. This invention, through the cooperation of the connecting members and sliding members, reduces the vibration force experienced by the laser pointer during use, improves the laser pointer's shock resistance, and avoids vibration of the laser pointer caused by the vibration force generated by the coal mine ground, which could lead to errors in the laser pointer's measurement results.

Description

Technical Field

[0001] This invention relates to the field of support equipment technology, and in particular to a fixed bracket with protective function for a laser pointer in coal mines. Background Technology

[0002] A coal mine laser pointer is a measuring device used to measure parameters such as viscosity, temperature, and humidity in underground coal mine roadways. It plays an important role in coal mine safety and environmental monitoring. Its working process involves emitting a laser beam and measuring the reflection of the laser to obtain data, thereby measuring various parameters of the coal mine.

[0003] Existing coal mine laser pointers require mounting on tripods or other fixed frames for use. When measuring coal mine roadways, the laser pointer is placed inside the mine. During mining operations, the operation of large equipment such as coal mining machines, tunneling machines, and drilling rigs generates vibrations. The movement and operation of these devices in underground roadways cause vibrations in the ground and rocks. These vibrations cause the coal mine laser pointer to vibrate synchronously. This vibration causes the emitted laser to waver, resulting in significant errors in the final measurement results and affecting the acquisition of data. Summary of the Invention

[0004] To overcome the drawback that vibrations in coal mines can affect the measurement results of laser pointers, a protective mounting bracket for a coal mine laser pointer is provided.

[0005] The technical solution of the present invention is as follows: a fixed support with protective function for a laser pointer in a coal mine, comprising a fixed base, a support leg rotatably connected to the fixed base via circumferentially evenly distributed hinge blocks, a liquid-containing shell fixedly connected to the fixed base, a connecting member provided in the liquid-containing shell, a fixed frame fixedly connected to the liquid-containing shell, a circumferentially distributed sliding member slidably connected to the fixed frame, the connecting member being spherical, the side of the sliding member away from the fixed frame being in contact with the connecting member, a spring sleeved on the sliding member located between the fixed frame and the connecting member, an L-shaped frame fixedly connected to the connecting member, a swing member provided in the L-shaped frame, a laser pointer placed on the swing member, a cleaning component for cleaning the laser pointer provided in the support leg, and a first protective component provided in the fixed base for tilt protection of the laser pointer, thereby reducing the vibration force experienced by the laser pointer during use through the cooperation of the connecting member and the adjacent sliding member.

[0006] Preferably, a floating element fixed to the connector floats on the liquid inside the liquid-containing shell, and the liquid level inside the liquid-containing shell is lower than the upper part of the floating element.

[0007] Preferably, the floating component is fixedly connected to a retaining ring, the lower side of which is in contact with the liquid inside the floating component to enhance its stability.

[0008] Preferably, the cleaning component includes a first sliding frame evenly distributed in the circumferential direction, the first sliding frames being slidably connected to adjacent support legs, a triangular telescopic frame being rotatably connected between the first sliding frames, a rotating component being rotatably connected to the triangular telescopic frame, the rotating component being fixedly connected to and connected to the rotating component, an air inlet channel being provided inside the rotating component, an air inlet being provided in the air inlet channel, a connecting pipe being connected to the rotating component, and an air outlet shell being provided for the laser pointer, the air outlet shell being connected to the connecting pipe, and an air outlet shell being provided with circumferentially distributed air outlets.

[0009] Preferably, the rotating component is rotatably connected to a rotating rod, the rotating rod is fixedly connected to a first blade located inside the rotating component, and a second blade is fixedly connected to the end of the rotating rod away from the first blade.

[0010] Preferably, the first protective component includes circumferentially evenly distributed square blocks, each square block being fixedly connected to a fixed base. Each square block is slidably connected to a sliding rod. The end of the sliding rod furthest from the adjacent square block is fixedly connected to a connecting block that slidably engages with the fixed base. The connecting block has a limiting groove. The sliding rod is fitted with a tension spring located between the adjacent square block and the connecting block. The connecting block is rotatably connected to symmetrically distributed swing frames that slidably engage with the fixed base. A torsion spring is provided between the connecting block and the adjacent swing frame. The fixed base has circumferentially evenly distributed fan-shaped grooves. The fixed base is slidably connected to a limiting member that engages with the limiting groove of the adjacent connecting block. The fixed base is slidably connected to a second sliding frame fixedly connected to the limiting member. The fixed base is fixedly connected to a fixed rod, and the fixed rod is ball-jointed to a swing rod.

[0011] Preferably, a weight is fixed to the side of the swing arm away from the fixed base, and the central axis of the swing arm and the center of the weight are both perpendicular to the horizontal plane.

[0012] Preferably, it also includes an unlocking component, which is disposed on the fixed base. The unlocking component includes an L-shaped rod, which is fixedly connected to the fixed base. The L-shaped frame is rotatably engaged with the swinging member. A torsion spring is disposed between the L-shaped frame and the swinging member. The L-shaped rod is provided with a brake cable, which consists of a brake line and a sleeve. One end of the brake line sleeve is fixedly connected to the L-shaped rod, and one end of the brake line is fixedly connected to the second sliding frame through a fixed block. A fixed plate is fixedly connected to the L-shaped frame, and the other end of the brake line sleeve is fixedly connected to the fixed plate. A limiting frame that engages with the swinging member is slidably connected to the L-shaped frame. The other end of the brake line is fixedly connected to the limiting frame, and a spring is disposed between the limiting frame and the fixed plate.

[0013] Preferably, it further includes a second protective component, which is disposed on the L-shaped frame and is used to protect the laser pointer. The second protective component includes a T-shaped slider, which is slidably connected to the L-shaped frame. The T-shaped slider is fixed to symmetrically distributed Z-shaped frames. The L-shaped frame is slidably connected to symmetrically and staggeredly distributed connecting rods. Each of the symmetrically distributed connecting rods has a sliding shell fixed to its opposite side. Each of the symmetrically distributed connecting rods has an elastic limiting block slidably connected to its opposite side, which cooperates with the limiting of the adjacent Z-shaped frame. Each of the symmetrically distributed sliding shells and the L-shaped frame is provided with a tension spring.

[0014] Preferably, the T-shaped slider is fixedly connected to a buffer, and the T-shaped slider is fitted with a spring located between the buffer and the L-shaped frame.

[0015] The beneficial effects of this invention are as follows:

[0016] 1. This invention reduces the vibration force experienced by the laser pointer during use by using the connection and sliding parts, improves the laser pointer's shock resistance, and avoids large-scale vibration of the laser pointer caused by the vibration force generated by the coal mine ground, which would lead to errors in the laser pointer's measurement results.

[0017] 2. When the laser pointer is used to measure coal mines, the second blade fan and the air outlet shell work together to protect the lens of the laser pointer, regardless of whether the laser pointer is facing the leeward or windward side. This prevents dust from adhering to the lens of the laser pointer and covering it, which would reduce the measurement effect of the laser pointer. By opening the swing frame, the protection radius of this device is expanded, and the device is supported after it is tilted.

[0018] 3. After the device tipps over, the L-shaped frame and the swinging component work together to prevent the laser pointer from colliding with the ground. The symmetrically distributed sliding shells cover the laser pointer, protecting it and preventing damage from collision with the ground after the device tipps over. Attached Figure Description

[0019] Figure 1 This is a three-dimensional front view of the present invention;

[0020] Figure 2 This is a right view of the three-dimensional structure of the present invention;

[0021] Figure 3 This is a three-dimensional structural cross-sectional view of the liquid-containing shell of the present invention;

[0022] Figure 4 This is a three-dimensional structural cross-sectional view of the triangular telescopic frame of the present invention;

[0023] Figure 5This is a three-dimensional structural diagram of the first protective component of the present invention;

[0024] Figure 6 This is a top view of the three-dimensional structure of the first protective component of the present invention;

[0025] Figure 7 This is a three-dimensional structural cross-sectional view of the fixing base of the present invention;

[0026] Figure 8 This is an exploded three-dimensional view of the first protective component of the present invention;

[0027] Figure 9 This is a three-dimensional structural diagram of the unlocking component of the present invention;

[0028] Figure 10 This is a bottom view of the three-dimensional structure of the second protective component of the present invention.

[0029] The components in the diagram are labeled as follows: 1. Laser pointer; 101. Fixed base; 102. Support leg; 103. Liquid container; 104. Floating component; 1041. Fixed ring; 1042. Fixed frame; 1043. Sliding component; 105. Connecting component; 106. L-shaped frame; 107. Swinging component; 2. Cleaning assembly; 201. First sliding frame; 202. Triangular telescopic frame; 203. Rotating component; 204. Rotating component; 2041. Rotating rod; 2042. First blade; 2043. Second blade; 205. Connecting pipe; 206. Air outlet casing. 3. First protective component, 301, square block, 302, sliding rod, 303, connecting block, 304, swing frame, 305, limiting component, 306, second sliding frame, 307, fixed rod, 308, swing rod, 309, weight, 4. Unlocking component, 401, L-shaped rod, 402, brake line, 403, fixed plate, 404, limiting frame, 5. Second protective component, 501, T-shaped slider, 502, buffer component, 503, Z-shaped frame, 504, connecting rod, 5041, sliding shell, 5042, elastic limiting block. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments and the accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and techniques are omitted in the following description to avoid unnecessarily obscuring the concept of the invention.

[0031] Example 1: A protective mounting bracket for a coal mine laser pointer, such as... Figures 1-3As shown, the device includes a fixed base 101, which is rotatably connected to support legs 102 via circumferentially evenly distributed hinge blocks. A liquid-containing shell 103 is fixedly attached to the upper side of the fixed base 101, containing water. A floating element 104 floats on the liquid inside the shell 103, with its upper part higher than the liquid level inside the shell 103. A connecting element 105 is fixedly attached to the upper side of the floating element 104. A fixed frame 1042 is fixedly attached to the shell 103, positioned above the liquid inside the floating element 104. The fixed frame 1042 is slidably connected to circumferentially distributed sliding elements 1043. The connecting element 105 is spherical, with the opposing sides of the circumferentially distributed sliding elements 1043 connected to the connecting element 105. The sliding member 1043 is fitted with a spring, which is located between the fixed frame 1042 and the connecting member 105. An L-shaped frame 106 is fixed to the upper side of the connecting member 105. The L-shaped frame 106 is equipped with a swing member 107, on which the laser pointer 1 is placed. The support leg 102 is equipped with a cleaning component 2, which is used to clean the laser pointer 1. The fixed base 101 is equipped with a first protection component 3 for tilting protection of the laser pointer 1. Through the cooperation of the connecting member 105 and the sliding member 1043, the vibration force on the laser pointer 1 during use is reduced, and the vibration force generated by the coal mine ground is avoided from causing the laser pointer to vibrate significantly, resulting in errors in the measurement results of the laser pointer.

[0032] like Figure 2 and Figure 3 As shown, the floating component 104 is fixedly connected to a fixing ring 1041. The liquid inside the floating component 104 is in contact with the lower side of the fixing ring 1041. The fixing ring 1041 increases the contact area between the floating component 104 and the liquid inside the liquid container 103, thereby enhancing the stability of the floating component 104.

[0033] like Figure 1 and Figure 4As shown, the cleaning component 2 includes circumferentially evenly distributed first sliding frames 201, which are slidably connected to adjacent support legs 102. A triangular telescopic frame 202 is rotatably connected between the three first sliding frames 201. A rotating component 203 is rotatably connected to the triangular telescopic frame 202. A rotating component 204 is fixedly connected to the rotating component 203. The rotating component 204 communicates with the rotating component 203. An air inlet channel is provided inside the rotating component 204, and an air inlet is provided at the lower part of the air inlet channel. A connecting pipe 205 connects the rotating component 204. An air outlet shell 206 is provided on the right side of the laser pointer 1. The air outlet shell 206 communicates with the connecting pipe 205 and has circumferentially distributed air outlets facing to the right. Air is discharged through the air outlet shell 206. The air blown out of the nozzle creates a wind wall around the lens of the laser pointer 1, protecting the area around the lens and preventing dust from adhering to it and obscuring the lens, thus reducing the measurement effect of the laser pointer 1. The rotating part 204 is rotatably connected to the rotating rod 2041, and the rotating rod 2041 is fixedly connected to the first blade 2042, which is located inside the rotating part 203. The lower end of the rotating rod 2041 is fixedly connected to the second blade 2043. Through the cooperation of the second blade 2043 and the first blade 2042, the speed of the airflow blown out of the air outlet of the air outlet shell 206 is increased, increasing the coverage area of ​​the wind wall around the lens of the laser pointer 1, further protecting the lens of the laser pointer 1.

[0034] When it is necessary to measure a coal mine, place this device in the area to be measured. Since the coal mine is under construction, it will vibrate.

[0035] When the coal mine vibrates, the vibration force is transmitted to this device. It floats on the liquid in the liquid-filled shell 103 through the floating part 104 and the fixed ring 1041, thereby reducing the vibration force generated on the coal mine ground and reducing the transmission of vibration on the coal mine ground, so as to improve the seismic performance of the laser pointer 1.

[0036] The vibration force generated by the coal mine ground is transmitted to the liquid-filled shell 103 and the fixed frame 1042 by the three support legs 102. The fixed frame 1042 transmits the vibration force to the sliding member 1043 and the L-shaped frame 106 and their parts, and squeezes the adjacent sliding member 1043 and spring. Through the cooperation of the sliding member 1043 and the adjacent spring, part of the vibration force of the fixed frame 1042 is offset, so that the laser pointer 1 will not vibrate strongly during the measurement process.

[0037] To ensure that workers in the coal mine can work normally, the construction team usually provides fresh air to the coal mine through a special ventilation system. When the laser pointer 1 needs to measure the coal mine on the windward side, the laser pointer 1 is first adjusted to face the windward side, and then the rotating part 204 is rotated so that the air inlet of the air inlet channel of the rotating part 204 faces the leeward side, so as to avoid the air inlet of the air inlet channel of the rotating part 204 facing the windward side, which would cause all the wind and dust on the windward side to enter the rotating part 204.

[0038] The contact between the wind in the coal mine and the second blade 2043 causes the second blade 2043, the rotating rod 2041, and the first blade 2042 to rotate. The rotation of the first blade 2042 draws gas from the rotating component 203 and the connecting pipe 205. Through the connection between the connecting pipe 205 and the air outlet shell 206, the gas and dust on the windward side are drawn into the connecting pipe 205 and the air outlet shell 206 to reduce the dust content around the laser pointer 1 and prevent dust from adhering to the lens of the laser pointer 1. The drawn dust and gas are discharged from the air inlet at the bottom of the air inlet channel of the rotating component 204.

[0039] When the laser pointer 1 needs to measure the coal mine on the leeward side, the laser pointer 1 is adjusted to face the leeward side, and then the rotating component 204 is rotated so that the air inlet of the air inlet channel of the rotating component 204 faces the windward side. The air on the windward side enters into the air inlet of the air inlet channel of the rotating component 204 and is transported to the air outlet shell 206 by the rotating component 203 and the connecting pipe 205, and is discharged from the air outlet of the air outlet shell 206. This creates a wind wall around the lens of the laser pointer 1, preventing dust from adhering to the lens of the laser pointer 1 and covering the lens of the laser pointer 1, which would reduce the measurement effect of the laser pointer 1.

[0040] The wind inside the coal mine drives the second blade fan 2043, the rotating rod 2041, and the first blade fan 2042 to rotate. The rotation of the first blade fan 2042 draws gas from the air inlet channel of the rotating component 204, causing the gas to accelerate into the rotating component 203, the connecting pipe 205, and the air outlet shell 206, and then accelerates its discharge from the air outlet of the air outlet shell 206. This increases the speed of the airflow blowing out of the air outlet of the air outlet shell 206, increases the coverage area of ​​the wind wall around the lens of the laser pointer 1, and further protects the lens of the laser pointer 1.

[0041] Example 2: Based on Example 1, Figure 1 and Figures 5-8As shown, the first protective component 3 includes circumferentially evenly distributed square blocks 301, all of which are fixedly connected to the fixed base 101. Each square block 301 is slidably connected to a sliding rod 302. Each of the circumferentially evenly distributed sliding rods 302 has a connecting block 303 fixedly connected to its opposite ends. The connecting block 303 is slidably engaged with the fixed base 101. The connecting block 303 has a limiting groove. Each sliding rod 302 is fitted with a tension spring, located between adjacent square blocks 301 and connecting blocks 303. Each connecting block 303 is rotatably connected to symmetrically distributed swing frames 304, which are made of soft silicone. Each symmetrically distributed swing frame 304 is slidably engaged with the fixed base 101. A torsion spring is provided between the connecting block 303 and the adjacent swing frame 304. The fixed base 101 has circumferentially evenly distributed fan-shaped grooves. The fixed base 101 is slidably connected to a limiting member 305. The limiting groove of the 305 and the adjacent connecting block 303 are limited and matched. When the six connecting blocks 303 are close to the limiting member 305, the tension spring on the sliding rod 302 is in a stretched state. The fixed base 101 is slidably connected to the second sliding frame 306. The second sliding frame 306 is fixedly connected to the limiting member 305. The fixed base 101 is fixedly connected to the fixed rod 307. The lower end of the fixed rod 307 is fixedly connected to the incomplete spherical cover. The incomplete spherical cover of the fixed rod 307 is rotatably connected to the swing rod 308 through the fixed ball. The lower side of the swing rod 308 is fixedly connected to the weight 309. The central axis of the swing rod 308 and the center of the ball of the weight 309 are both perpendicular to the horizontal plane. The weight 309 is used to lower the center of gravity of the device so that the device remains stable during the measurement process. By opening the twelve swing frames 304, the protection radius of the device is expanded to prevent the laser pointer 1 from hitting the ground after the device falls over, which would cause damage to the laser pointer 1.

[0042] When this device tilts, it will fall in any direction. During the tilting process, the swing rod 308 and the weight 309, which are always perpendicular to the horizontal plane, compress the second sliding frame 306 and the limiting member 305 upwards. The limiting member 305 moves upwards until it disengages from the limiting groove of the connecting block 303, thereby releasing the limiting of the connecting block 303 and its parts. The six connecting blocks 303 and the twelve swing frames 304 slide towards the six square blocks 301 under the action of the six tension springs. After the twelve swing frames 304 swing into the six sector grooves in the fixed base 101, taking two adjacent swing frames 304 as an example, the two swing frames 304 swing in opposite directions under the action of adjacent torsion springs, causing the two swing frames 304 to open. By opening the twelve swing frames 304, the protection radius of this device is expanded, so that after this device tilts, it supports the device and prevents the laser pointer 1 from hitting the ground after the device falls, which would cause damage to the laser pointer 1.

[0043] Relying on the characteristic that the swing frame 304 is made of soft silicone, the device cushions the swing frame 304 after it is tilted, preventing the swing frame 304 from hitting the ground hard, and transmitting the vibration force of the swing frame 304 to the laser pointer 1, causing the laser pointer 1 to be affected by the vibration force.

[0044] Example 3: Based on Example 2, such as Figure 1 , Figures 7-9 As shown, it also includes an unlocking component 4, which is disposed on the fixed base 101. The unlocking component 4 includes an L-shaped rod 401, which is fixedly connected to the left side of the fixed base 101. An L-shaped frame 106 and a swing member 107 are rotatably engaged. A torsion spring is provided between the L-shaped frame 106 and the swing member 107. A brake cable 402 is provided on the L-shaped rod 401. The brake cable 402 consists of a brake cable and a cable sleeve. The lower end of the cable sleeve of the brake cable 402 is fixedly connected to the L-shaped rod 401. The lower end of the brake cable 402 is fixedly connected to the second sliding frame 306 through a fixing block. A fixing plate 403 is fixedly connected to the L-shaped frame 106. The upper end of the cable 402 sleeve is fixedly connected to the fixed plate 403. The L-shaped frame 106 is slidably connected to the limiting frame 404, which cooperates with the limiting of the swinging member 107. The upper end of the brake cable 402 is fixedly connected to the limiting frame 404. A spring is provided between the limiting frame 404 and the fixed plate 403. By sliding the limiting frame 404 downward, the limiting of the swinging member 107 is released. By swinging the swinging member 107 and the laser pointer 1, the central axis of the laser pointer 1 is made perpendicular to the horizontal plane. Thus, the laser pointer 1 will not collide with the ground after the device is tilted, thereby protecting the laser pointer 1.

[0045] like Figure 1 , Figure 9 and Figure 10As shown, it also includes a second protective component 5, which is disposed on the L-shaped frame 106. The second protective component 5 is used to protect the laser pointer 1. The second protective component 5 includes a T-shaped slider 501, which is slidably connected to the middle of the L-shaped frame 106. The T-shaped slider 501 is fixedly connected to symmetrically distributed Z-shaped frames 503. The L-shaped frame 106 is slidably connected to symmetrically and staggeredly distributed connecting rods 504. Sliding shells 5041 are fixedly connected to the opposite sides of the two connecting rods 504, and elastic limiting blocks 5042 are slidably connected to the opposite sides of the two connecting rods 504. The elastic limiting blocks 5042 are limited and cooperate with the adjacent Z-shaped frames 503. A tension spring is provided between the moving shell 5041 and the L-shaped frame 106. The laser pointer 1 is covered and protected by the opposite movement of the two sliding shells 5041. A buffer 502 is fixed to the left side of the T-shaped slider 501. The buffer 502 is an airbag. The T-shaped slider 501 is fitted with a spring. The spring of the T-shaped slider 501 is located between the buffer 502 and the L-shaped frame 106. Through the cooperation of the buffer 502 and the adjacent spring, the laser pointer 1 is buffered to prevent the laser pointer 1 from swinging too much during the downward swing process, so that the laser pointer 1 will collide with the L-shaped frame 106 and be damaged.

[0046] When the device tilts, the second sliding frame 306 is pressed upward by the swing rod 308. At the same time, the brake line in the brake line 402 is stretched by the second sliding frame 306. The brake line in the brake line 402 on the side near the fixed plate 403 is stretched, and the limit frame 404 is pulled downward through the brake line in the brake line 402 until it is released from the limit on the swing member 107. The swing member 107 and the laser pointer 1 swing downward under the action of the adjacent torsion spring until the central axis of the laser pointer 1 coincides with the horizontal plane. Through the swing of the swing member 107 and the laser pointer 1, the laser pointer 1 will not collide with the ground after the device tilts, thus protecting the laser pointer 1.

[0047] During the downward swing of the laser pointer 1, the T-shaped slider 501 and the buffer 502 are squeezed to move towards the brake line 402. During the movement of the buffer 502, the adjacent spring is squeezed. Through the cooperation of the buffer 502 and the adjacent torsion spring, the swing of the laser pointer 1 is buffered, preventing the laser pointer 1 from swinging too much during the downward swing and causing the laser pointer 1 to collide with the L-shaped frame 106, which would damage the laser pointer 1.

[0048] During the movement of the T-shaped slider 501, it drives the two Z-shaped frames 503 to move. During the movement of the two Z-shaped frames 503, the two elastic limiting blocks 5042 are pushed towards the position of the connecting rod 504 to release the limitation on the two connecting rods 504 and the sliding shell 5041. The two connecting rods 504 and the sliding shell 5041 move towards each other under the action of the two tension springs and cover the laser pointer 1 to further protect the laser pointer 1.

[0049] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A protective mounting bracket for a coal mine laser pointer, characterized in that: The system includes a fixed base (101), which is rotatably connected to a support leg (102) via circumferentially evenly distributed hinge blocks. A liquid-containing shell (103) is fixedly connected to the fixed base (101), containing liquid. A connector (105) is provided on the liquid-containing shell (103). A fixed frame (1042) is fixedly connected to the liquid-containing shell (103), and the fixed frame (1042) is slidably connected to circumferentially distributed sliding members (1043). The connector (105) is spherical, and the side of the sliding member (1043) away from the fixed frame (1042) is in contact with the connector (105). A positioning device is sleeved on the sliding member (1043). A spring is located between the fixed frame (1042) and the connecting member (105). The connecting member (105) is fixedly connected to an L-shaped frame (106). The L-shaped frame (106) is provided with a swing member (107). The swing member (107) holds the laser pointer (1). The support leg (102) is provided with a cleaning component (2) for cleaning the laser pointer (1). The fixed base (101) is provided with a first protection component (3). The first protection component (3) is used to protect the laser pointer (1) from tipping over. Through the cooperation of the connecting member (105) and the adjacent sliding member (1043), the vibration force experienced by the laser pointer (1) during use is reduced. The first protective component (3) includes circumferentially evenly distributed square blocks (301), each square block (301) being fixedly connected to a fixed base (101). Each square block (301) is slidably connected to a sliding rod (302). One end of the sliding rod (302) away from the adjacent square block (301) is fixedly connected to a connecting block (303) that slidably engages with the fixed base (101). The connecting block (303) has a limiting groove. A tension spring is sleeved on the sliding rod (302) between the adjacent square block (301) and the connecting block (303). The connecting block (303) is rotatably connected to a pair of... The swing frame (304) is distributed and slidably engaged with the fixed seat (101). A torsion spring is provided between the connecting block (303) and the adjacent swing frame (304). The fixed seat (101) is provided with a fan-shaped groove evenly distributed in the circumference. The fixed seat (101) is slidably connected to a limiting member (305) that is limited and engaged with the limiting groove of the adjacent connecting block (303). The fixed seat (101) is slidably connected to a second sliding frame (306) that is fixedly connected to the limiting member (305). The fixed seat (101) is fixedly connected to a fixed rod (307). The fixed rod (307) is ball-jointed with a swing rod (308). A weight (309) is fixed to the side of the swing rod (308) away from the fixed base (101). The central axis of the swing rod (308) and the center of the ball of the weight (309) are both perpendicular to the horizontal plane.

2. The fixed bracket with protective function for a coal mine laser pointer as described in claim 1, characterized in that: A floating element (104) is fixed to the connector (105) floating on the liquid inside the liquid-containing shell (103). The liquid level inside the liquid-containing shell (103) is lower than the upper part of the floating element (104).

3. A protective mounting bracket for a coal mine laser pointer as described in claim 2, characterized in that: The floating component (104) is fixedly connected to a fixing ring (1041), and the lower side of the fixing ring (1041) is in contact with the liquid inside the floating component (104) to enhance the stability of the floating component (104).

4. A fixed bracket with protective function for a coal mine laser pointer as described in claim 1, characterized in that: The cleaning component (2) includes a first sliding frame (201) evenly distributed in the circumference. The first sliding frames (201) evenly distributed in the circumference are slidably connected to adjacent support legs (102). A triangular telescopic frame (202) is rotatably connected between the first sliding frames (201) evenly distributed in the circumference. A rotating component (203) is rotatably connected to the triangular telescopic frame (202). The rotating component (203) is fixedly connected to and connected to the rotating component (204). An air inlet channel is provided inside the rotating component (204). An air inlet is provided in the air inlet channel. A connecting pipe (205) is connected to the rotating component (203). An air outlet shell (206) is provided on the laser pointer (1). The air outlet shell (206) is connected to the connecting pipe (205). An air outlet shell (206) is provided with circumferentially distributed air outlets.

5. A fixed bracket with protective function for a coal mine laser pointer as described in claim 4, characterized in that: The rotating part (204) is rotatably connected to the rotating rod (2041), the rotating rod (2041) is fixedly connected to the first blade (2042) located inside the rotating part (203), and the end of the rotating rod (2041) away from the first blade (2042) is fixedly connected to the second blade (2043).

6. A protective mounting bracket for a coal mine laser pointer as described in claim 1, characterized in that: It also includes an unlocking component (4), which is mounted on a fixed base (101). The unlocking component (4) includes an L-shaped rod (401), which is fixed to the fixed base (101). An L-shaped frame (106) and a swing member (107) are rotatably engaged. A torsion spring is provided between the L-shaped frame (106) and the swing member (107). A brake cable (402) is provided on the L-shaped rod (401). The brake cable (402) consists of a brake line and a sleeve. One end of the brake cable (402) sleeve is connected to the L-shaped rod (401). 401) Fixed connection, one end of the brake line (402) is fixedly connected to the second sliding frame (306) through the fixing block, the L-shaped frame (106) is fixedly connected to the fixing plate (403), the other end of the brake line (402) sleeve is fixedly connected to the fixing plate (403), the L-shaped frame (106) is slidably connected to the limiting frame (404) which cooperates with the limiting of the swinging part (107), the other end of the brake line (402) is fixedly connected to the limiting frame (404), and a spring is provided between the limiting frame (404) and the fixing plate (403).

7. A protective mounting bracket for a coal mine laser pointer as described in claim 6, characterized in that: It also includes a second protective component (5), which is disposed on the L-shaped frame (106). The second protective component (5) is used to protect the laser pointer (1). The second protective component (5) includes a T-shaped slider (501), which is slidably connected to the L-shaped frame (106). The T-shaped slider (501) is fixed to a symmetrically distributed Z-shaped frame (503). The L-shaped frame (106) is slidably connected to symmetrically and staggeredly distributed connecting rods (504). The back side of the symmetrically distributed connecting rods (504) is fixedly connected to a sliding shell (5041). The opposite side of the symmetrically distributed connecting rods (504) is slidably connected to an elastic limiting block (5042) that limits the adjacent Z-shaped frame (503). A tension spring is provided between the symmetrically distributed sliding shell (5041) and the L-shaped frame (106).

8. A fixed bracket with protective function for a coal mine laser pointer as described in claim 7, characterized in that: The T-shaped slider (501) is fixedly connected to the buffer (502), and the T-shaped slider (501) is fitted with a spring located between the buffer (502) and the L-shaped frame (106).

Images