CN112414803A

CN112414803A - Emergency type atmospheric particulate sampler for mine safety production detection

Info

Publication number: CN112414803A
Application number: CN202011418198.7A
Authority: CN
Inventors: 俞越
Original assignee: China Inspection Group Gongxin Security Technology Co ltd
Current assignee: China Inspection Group Gongxin Security Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-02-26
Anticipated expiration: 2040-12-07
Also published as: CN112414803B

Abstract

The invention relates to an emergency type atmospheric particulate sampler for mine safety production detection, and belongs to monitoring equipment. The technical scheme is as follows: the self-adaptive gravity driving device comprises a driving wire, a roller and a gear set, wherein the roller and the gear set are wound on the driving wire in a plurality of circles, one end of the driving wire is connected with a heavy object basket, the other end of the driving wire is wound on the roller, the heavy object basket falls down to drive the roller to rotate, and the roller drives the gas sampling pump to rotationally collect gas samples through the gear set. This device carries out gas sampling through the heavy object drive sampling pump, need not to rely on the external energy, can all-weather operation for it is explosion-proof to meet an urgent need to use safely. The weight driving of the device can increase and decrease the driving weight within a certain range to achieve the self-adaptive effect, and the effect that the time for driving heavier objects is longer under the condition of the same pulling length of the driving wire can be achieved.

Description

Emergency type atmospheric particulate sampler for mine safety production detection

Technical Field

The invention relates to an emergency type atmospheric particulate sampler for mine safety production detection, and belongs to monitoring equipment.

Background

At present, the harm of various inhalable particles and dust in industrial production in China is wide, more than one half of factories and mines have dust operation according to statistics, excessive dust not only has detonation hidden danger, but also pneumoconiosis becomes the most serious occupational disease in China. With the implementation of occupational disease prevention and treatment laws, the standard of labor hygiene in China is correspondingly regulated, and inhalable particles in workplaces need to be correspondingly detected. There are many atmospheric particulate samplers on the market, which are instruments or devices that collect atmospheric particulate pollutants or air contaminated by particulate matter. The sampler generally consists of three parts, namely a collector, a flowmeter and a power system. However, an atmospheric particulate sampler special for emergency detection is unavailable in the market, and an instrument power system is powered by a battery or an external power supply and needs to sample for a period of time. Sometimes, when the environmental law enforcement department carries out on-site assault inspection, external energy sources such as solar energy are easily affected by weather factors and artificial power is difficult to maintain stably because the electric quantity of the instrument is insufficient and the detected party is not matched with power supply missing detection sampling time.

Disclosure of Invention

The invention provides an emergency atmospheric particulate sampler which can adapt to mine safety production detection, meets the requirement of on-site assault sampling in a mine, has strong self-adaptive capacity, is not easily influenced by external factors, and does not have flammable and explosive factors.

In order to achieve the purpose, the invention adopts the technical scheme that:

an emergency atmospheric particulate sampler for mine production detection comprises a gas sampling pump, a gravity-driven adaptive device and a frame for fixing the gravity-driven adaptive device, wherein two sides of a gravity sliding seat of the gravity-driven adaptive device are provided with wire rails, wire gauge sliding blocks on the wire rails are fixed on the frame, a gravity pulley is arranged at the top of the gravity sliding seat, a pulley is arranged at the other side of a central column relative to a roller, the middle part of a driving wire is wound around a fixed pulley and the gravity pulley, the lower part of the central column is arranged on the frame through a lower bearing of the central column, the middle part of the central column is sleeved with a driving gear A, the driving gear A can slide up and down on the central column and drive the central column to rotate, a thrust ball bearing is arranged between the upper part of the driving gear A and the gravity sliding seat, a spring is arranged below the gear A, a driving belt wheel is arranged below the sliding block, the driving belt wheel is fixed with the sliding block and cannot rotate relative to the sliding block, the driving belt wheel and a driven belt wheel of the gas sampling pump are positioned on the same plane, the driving belt wheel and the driven belt wheel are sleeved in the driving belt, a sliding block driving strip which is hinged and connected with the upper portion of the sliding block is arranged on the upper portion of the sliding block, the upper portion of the sliding block driving strip is hinged and connected with a driving gear A, the driving gear A drives the sliding block driving strip, the sliding block, the sliding rail and the central column to rotate when rotating, the driving belt wheel rotates around an upper bearing of the central column and a lower bearing of the central column along with the sliding rail, the upper bearing of the central column is a linear bearing, the lower bearing of the central column is a micro deep groove ball bearing, the driving gear A is in driving connection with a wheel shaft, the heavy basket falls down to drive the roller to rotate, the roller is connected with the gravity driving self-adaptive device through the gear set to drive the gearbox to drive the gas sampling pump to rotate to collect a gas sample, and the running speed of the sampling pump is controlled by the gas flow regulating valve.

Preferably, the axle of the drum is horizontally arranged, one end of the axle of the drum is provided with an upper bevel gear which is transversely arranged and is meshed with a lower bevel gear which is vertically arranged, the lower part of the axle of the lower bevel gear is provided with a driving gear C, the driving gear C is meshed with the driving gear B, and the driving gear B is meshed with the driving gear A.

Preferably, the transmission belt is made of a fluorine rubber Kevlar fiber fluorine rubber composite material and can be freely stretched to be 1-3 times of the length of the transmission belt, a rough friction surface is arranged on the surface of the transmission belt, the input end of the gas sampling pump is connected with a transmission case, a driven pulley is connected to an input shaft of the transmission case, the transmission ratio of the transmission case is required to be matched with the driving rotating speed of the air suction pump according to the type of the driving gravity self-adaption device, and the maximum input torque is not more than 150 N.m.

Preferably, clutch arms are arranged at two ends of a wheel shaft of the driving gear B and hinged to the frame, one side of each clutch arm is provided with a tension spring to pull the driving gear B to be meshed with the driving gear A, the other side of each clutch arm is provided with a clutch pull rod, and pull rings of the clutch pull rods are arranged on the control panel.

Further preferably, the frame includes two mouth font frames that vertical cross is fixed mutually and the fixed beam of frame inside, the gas sampling pump sets up in the inside front end one side of the mouth font frame that the level was arranged, and the front end lateral surface of the mouth font frame that the level was arranged sets up left control panel and right control panel.

Further preferably, a gas flowmeter and a flow adjusting knob are arranged on a left control panel close to the gas sampling pump, the flowmeter and the flow adjusting knob are communicated with the gas sampling pump, a timer is further arranged on the left control panel, a scale through groove is formed in a right control panel, a pull ring of a clutch pull rod and a drive wire metering pointer disk are arranged on the right control panel, a pointer pointing scale through groove is formed in a gravity sliding seat, a minimum total time scale is arranged on the scale through groove, a gravity pulley at the top of the gravity sliding seat is pressed down under the drive wire to drive time scales on the pointer pointing scale through groove, a wheel shaft of a roller extends to be connected with the drive wire metering pointer disk through a pointer gear, and the drive wire metering pointer disk indicates the length of the roller.

The invention has the advantages that: this device carries out gas sampling through the heavy object drive sampling pump, need not to rely on the external energy, can all-weather operation for it is explosion-proof to meet an urgent need to use safely.

The weight drive of this device can increase and decrease the effect that the drive weight reached the self-adaptation in certain extent, can gain under the condition that the length was pulled out to the same drive wire, and heavier object drive's the effect of the time of being of a specified duration need not to use electric energy and external control to adjust, provides complete new scheme for emergent sample thief, has characteristics such as rational in infrastructure, low cost, adaptability are strong simultaneously.

Drawings

Figure 1 is a perspective view of the first embodiment of the present invention,

figure 2 is a perspective view of the second embodiment of the present invention,

figure 3 is a top view of the present invention,

figure 4 is a side view of the present invention,

figure 5 is a rear view of the present invention,

figure 6 is a bottom view of the present invention,

figure 7 is a diagram of the gravity driven adaptive device of the present invention,

reference numerals

1. A frame, 2, a gas sampling pump, 3, a roller, 4, a driving wire, 5, a central column, 6, a gravity sliding seat, 7, a gravity pulley, 8, a fixed pulley, 9, a linear rail, 10, a driving gear A, 11, a spring, 12, a sliding rail, 13, a driving belt wheel, 14, a driving belt, 15, a sliding block driving strip, 16, an upper bevel gear, 17, a lower bevel gear, 18, a driving gear C, 19, a driving gear B, 20, a clutch arm, 21, a clutch pull rod, 22, a tension spring, 23, a thrust ball bearing, 24, a fixed beam, 25, a left control panel, 26, a right control panel, 27 gas flow meters, 28 flow regulating knobs, 29, a timer, 30, a scale through groove, 31, a regulating screw, a driving wire, a metering pointer disk, 33, a pointer gear, 34, a driven belt wheel, 35, a wire gauge sliding block, 36, a clutch, 37, a take-up rocker, 38, a, 39. a center post upper bearing 40, a center post lower bearing 41 and a gearbox.

Detailed Description

The following further describes the present invention:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "a", "B", "C" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "coupled" are intended to be inclusive and mean, for example, that is, fixedly coupled, removably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The main components of the invention comprise a gas sampling pump 2, a gravity-driven self-adaptive device, a frame 1 in which the gravity-driven self-adaptive device is arranged, a roller 3 wound by a driving wire 4 for a plurality of circles and a gear set.

Frame 1 includes two mouth font frames that the vertical cross is fixed mutually and the fixed beam of frame 1 inside, and gas sampling pump 2 sets up in the inside front end one side of the mouth font frame that the level was arranged, and the front end lateral surface of the mouth font frame that the level was arranged sets up left control panel and right control panel. The detachable curb plate is installed to both sides, the lower part is provided with quick detach foot rest interface, mountable scalable foot rest.

The roller 3 and the gear set are arranged in the frame 1, one end of the driving wire 4 is connected with a heavy object basket for containing heavy objects, and the heavy object basket can be used as an instrument packing box packing instrument in the transportation process, so that the multipurpose is realized. The other end of the driving wire 4 is wound on the roller 3, a gravity-driven self-adaption device and a transmission mechanism are connected between a wheel shaft of the roller 3 and the sampling pump, the roller 3 is driven to rotate by the weight basket falling, and the roller 3 drives the gas sampling pump 2 to rotate to collect gas samples through the gravity-driven self-adaption device and the transmission mechanism.

The middle part of the frame 1 is provided with a central column 5, the lower end of the central column is arranged at the middle position of the lower part of the vertically-arranged square frame through a bearing, the top of the central column 5 penetrates through a central column upper bearing 39 arranged in the gravity sliding seat 6, and graphite lubricating components are coated between the central column and the thrust ball bearing 23 to increase lubrication. The central column 5 can rotate around the thrust ball bearing and can also move up and down relative to the gravity sliding seat 6.

The top of gravity sliding seat 6 is provided with gravity pulley 7, and the relative cylinder 3 opposite side of center post 5 sets for the pulley, and drive line 4 middle part is around fixed pulley 8 and gravity pulley 7, and the both sides of gravity sliding seat 6 are established the line rail 9, and the line rule slider 35 on the line rail 9 is fixed in frame 1, and the lower part of center post 5 passes through the bearing and sets up on frame 1.

The middle part of the central column 5 is sleeved with a driving gear A10, the driving gear A10 and the gravity sliding seat 6 can move up and down along the central column under the guidance and limitation of a thrust ball bearing, and the length of the driving gear A10 is adapted to the gliding height of the gravity sliding seat so as to keep meshed transmission with the corresponding driving gear at any time after the driving gear A10 is pressed and moved.

The driving gear A10 can slide up and down on the central column 5 and drive the central column 5 to rotate, a spring is arranged below the gear A, and the spring bears the pressure transmitted by the gravity sliding seat and is compressed to achieve balance.

Eight equiangular slide rails 12 distributed radially are arranged on the central column 5 below the spring, and the tail ends of the slide rails are provided with anti-falling heads with diameters larger than the diameters of the slide rails. Be provided with slider 38 on slide rail 12, slider 38 below is provided with driving pulley 13 of an organic whole structure, the shaft of driving pulley 13 is in the coplanar with the driven pulley on the input shaft of sampling pump, driving pulley 13 sheathes the drive belt with the driven pulley, slider drive strip 15 that articulated linking to each other is established on slider 38 upper portion, slider drive strip 15 upper portion links to each other with drive gear A10 is articulated, drive gear A10 passes through slider drive strip 15 when rotating, slide rail 12 is rotatory around center post 5, driving pulley 13 rotates around the center of center post 5 along with slide rail 12, and then drive gearbox 41's driven pulley 34 drive gas sampling pump work sampling.

When the gravity sliding seat 6 moves downwards along the sliding rail, the driving gear A is driven to move downwards, the spring is compressed, and meanwhile, the sliding block driving strip 15 is extruded, so that the sliding block is driven to move outwards along the sliding rail. The profile of driving pulley is bigger when heavy object is heavier, and driving pulley 13 is apart from center post distance grow, and the rotation profile grow that all center posts are constituteed, and the drive ratio grow between driving pulley and the driven pulley, and gas sampling pump operating speed accelerates.

The transmission belt is made of a fluorine rubber Kevlar fiber fluorine rubber composite material, can be freely stretched to be 1-3 times of the length of the transmission belt, and is provided with a rough friction surface on the surface to prevent slipping during transmission.

The input end of the gas sampling pump is provided with a gearbox, a driven belt wheel 34 is arranged on an input shaft of the gearbox, the speed ratio of the gearbox is required to be matched with the driving rotating speed of the air pump according to the type of the driving gravity self-adapting device, and the input torque is the torque for preventing the transmission belt from slipping and is not more than 150 N.m.

The flow control valve that the gas sampling pump is connected is controlling gas flow and has brought the moving resistance, and then influences the functioning speed of aspiration pump, and gaseous moving resistance reaches the moving speed balance through gravity drive self-adaptation device with heavy object in the heavy object basket to obtain the drive time of a longer time.

The compression degree of the spring can be adjusted through an adjusting screw arranged at the lower part of the device, the adjusting screw freely moves through a thread arranged above the central column, the initial compression degree of the spring arranged above the central column is controlled, and the elasticity of the spring is further changed. The bottom of the central column is also provided with a central column lower bearing 40 consisting of three micro deep groove ball bearings for restraining the direction of the central column, and the micro deep groove ball bearings are fixed in bearing seats of the frame.

The driving gear A10 is in driving connection with the wheel axle of the roller 3, and the specific structure is that the wheel axle of the roller 3 is horizontally arranged, one end of the wheel axle of the roller 3 is provided with an upper bevel gear which is transversely arranged, the upper bevel gear is meshed with a lower bevel gear which is vertically arranged, the lower part of the wheel axle of the lower bevel gear is provided with a driving gear C18, the driving gear C18 is meshed with a driving gear B19, and the driving gear B19 is meshed with a driving gear A10.

The two ends of the wheel shaft of the driving gear B19 are provided with clutch arms 20, the clutch arms 20 are hinged to the frame 1, one side of the clutch arm 20 is provided with a tension spring to pull the driving gear B19 to be meshed with the driving gear A10, the other side of the clutch arm 20 is provided with a clutch pull rod, and a pull ring of the clutch pull rod is arranged on a right control panel.

Be provided with gas flowmeter and flow control knob on the left control panel who is close to gas sampling pump 2, gas flowmeter and flow control knob UNICOM are in gas sampling pump 2, and gas flowmeter is used for observing the real-time flow of sampling gas. The flow adjusting knob is connected with the gas flow adjusting valve and is matched with a gas flowmeter to display numerical values to adjust gas sampling flow in real time.

And a timer is also arranged on the left control panel and has a digital display buzzing timing function. The sampling device is used for timing sampling time and making a sound to prompt a worker to stop sampling after the specified time is reached. The timing time and the starting and stopping timing can be set through the panel, the digital display buzzer timer is internally provided with an ER26500 lithium thionyl chloride battery with the chemical name of Li-SOCl 2, the lithium thionyl chloride battery is called as a lithium subcell battery for short, the annual self-discharge current of the lithium thionyl chloride battery is less than 1 percent due to the special chemical characteristics and the passivation effect of the lithium thionyl chloride battery, the storage life of the lithium thionyl chloride battery reaches more than 10 years, the battery does not need to be replaced in the life cycle of the sampler, the lithium thionyl chloride battery is commonly used for an intelligent water meter and the like, the design. The functions of continuous time reference, liquid crystal display, countdown reminding and the like can be provided under the condition that the service life of the instrument is the same.

The right control panel is provided with a scale through groove, a pull ring of the clutch pull rod and a drive wire metering pointer disc 32, the gravity sliding seat 6 is provided with a pointer pointing scale through groove, the scale through groove is provided with time scales, and the gravity pulley 7 at the top of the gravity sliding seat 6 is pressed down on the drive wire 4 to drive the pointer to move on the scale through groove time scales. The gravity sliding seat can move up and down under the influence of the weight in the weight basket. The smaller the weight is, the shorter the minimum value of the indicated total running time is, and the higher the scale pointed by the pointer is; the heavier the weight is, the longer the running time is, and the lower the scale pointed by the pointer is. The labeling of the total runtime minimum is based on: with the gas flow regulating valve fully open, the calibration weight is pulled out of the drive line for a running time of 90% of the length. The operator can adjust the number of the weights in the weight basket before the instrument runs according to the sampling time requirement and the displayed minimum running time, so that the purpose of maintaining enough sampling time is achieved.

The axle of the roller 3 extends out of the transmission rod and is connected with the drive wire metering pointer disk 32 through a pointer gear. The drive line metering pointer plate 32 indicates the lengths of the drive lines 4 released and not released by the drum 3. The wheel shaft of the roller 3 extends out of the right control panel, the tail end of the right control panel is provided with a wire take-up rocker, a pull ring matched with the clutch pull rod is separated from the meshing of the driving gear B, and the wire take-up rocker is rotated to rotate to take up wires for the roller. The front part of the take-up rocker is provided with a rocker arm capable of moving freely, one end of the rocker arm is provided with an anti-drop buckle, and the other end of the rocker arm is provided with a handle, so that the take-up rocker has the double characteristics of convenient storage and convenient take-up.

The drive line metering pointer dial 32 knows the length of undrawn drive line on the winding drum and, in conjunction with a minimum run time indicator, evaluates the remaining run time in use.

A transmission case is arranged in the lower portion of the gas sampling pump, a transmission belt is sleeved between a driven belt wheel and a transmission belt wheel at the input end of the transmission case, and the transmission case is connected with an input shaft of the gas sampling pump and drives the gas sampling pump to operate. The gas sampling pump adopts a general air pump of an air sampler, and is different from the air sampling pump in that the structure of a driving motor at the lower part is changed into a gearbox, the gear ratio of the gearbox is required to be matched with the driving rotating speed of the air pump according to the model of a driving gravity self-adapting device, and the input torque is the torque for preventing the slip of a transmission belt and should not exceed 150 N.m.

The gas sampling pump is connected with an external collector through a pipeline, a pollutant particle separation filter membrane (such as a PM2.5 particle cutter) is arranged in the collector, the filter membrane is taken down after sampling to measure and determine the content of atmospheric particles in the air, and the structure is consistent with the conventional atmospheric particles.

Description of the invention: the instrument is taken out of the instrument box (weight blue), four support legs are installed, the weight blue is hung on a driving line, weights such as ores and soil are placed in the weight blue, whether the minimum running time indicated by the scale through groove pointer meets the requirement or not is observed, the predicted time indicated by the scale through groove pointer is the minimum running time before running, and the weight is not changed after the weight is placed. The dynamic time in operation needs to be combined with the driving wire to measure the residual turns of the pointer plate and calculate the residual time according to the proportion. If the minimum total running time indicated by the scale through groove pointer is far longer than the running required time, the manual evaluation of the remaining time in the running process can be ignored, and before the flow adjusting knob is turned on to enable the instrument to run, the time required by sampling is set by using the digital display buzzer timer, and the timing reminding is carried out. After the work preparation is finished, the flow adjusting knob is adjusted to achieve the sampling flow required by sampling by opening the flow adjusting knob and combining the display numerical value of the gas flowmeter. After the timer gives out a timing end prompt sound, the flow adjusting knob needs to be completely closed to end the operation of the instrument, and then the weight basket and the inner weight are removed. And finally, pulling the clutch pull rod to separate the transmission gear B from the transmission gear A, rotating the wire take-up rocker according to the wire take-up direction, and withdrawing the drive wire. The adjusting screw used for adjusting the compression of the spring in the instrument is already adjusted in place when leaving a factory, and a user does not need to adjust the adjusting screw generally and only adjusts the adjusting screw by a professional mechanism during calibration.

Claims

1. An emergency type atmospheric particulate sampler for mine safety production detection is characterized by comprising a gas sampling pump (2), a gravity-driven adaptive device and a frame (1) for fixing the gravity-driven adaptive device, wherein two sides of a gravity sliding seat (6) of the gravity-driven adaptive device are provided with wire rails (9), wire gauge sliders (35) on the wire rails (9) are fixed on the frame (1), the top of the gravity sliding seat (6) is provided with a gravity pulley (7), the other side of a central column (5) relative to a roller (3) is provided with a pulley (8), the middle of a driving wire (4) winds the fixed pulley (8) and the gravity pulley (7), the lower part of the central column (5) is arranged on the frame (1) through a central column lower bearing (40), the middle of the central column (5) is sleeved with a driving gear A (10), the driving gear A (10) can slide up and down on the central column (5) and drive the central column (5) to, a thrust ball bearing (23) is arranged between the upper part of a driving gear A (10) and a gravity sliding seat (6), a spring is arranged below the gear A, a plurality of sliding rails (12) which are distributed in a radial manner are arranged on a central column (5) below the spring, sliding blocks (38) are arranged on the sliding rails (12), a transmission belt wheel (13) is arranged below the sliding blocks (38), the transmission belt wheel (13) is fixed with the sliding blocks (38) and cannot rotate relative to the sliding blocks, the transmission belt wheel (13) and a driven belt wheel (34) of the gas sampling pump are positioned on the same plane, the transmission belt wheel (13) and the driven belt wheel are sleeved in a transmission belt, a sliding block driving strip (15) which is hinged and connected with the upper part of each sliding block (38) is arranged, the upper part of each sliding block driving strip (15) is hinged and connected with the driving gear A (10), and the driving gear A (10) drives, The central column (5) rotates, the transmission belt wheel (13) rotates around an upper bearing (39) of the central column and a lower bearing (40) of the central column along with the sliding rail (12), the upper bearing (39) of the central column is a linear bearing, the lower bearing (40) of the central column is a micro deep groove ball bearing, the driving gear A (10) is connected with a wheel shaft of the roller (3) in a driving mode, the roller (3) is installed in the frame (1) through a shaft, one end of the driving gear (4) is connected with the heavy object basket, the other end of the driving gear (4) is wound on the roller (3), the wheel shaft of the roller (3) and the gas sampling pump are connected with the gravity driving self-adaptive device through a gear set, the heavy object basket falls to drive the roller (3) to rotate, the roller (3) is connected with the gravity driving self-adaptive device through the gear set to drive the gear box (41.

2. The emergency type atmospheric particulate sampler for mine safety production detection as recited in claim 1, wherein the axle of the drum (3) is arranged horizontally, one end of the axle of the drum (3) is provided with a transversely arranged upper bevel gear, the upper bevel gear is meshed with a vertically arranged lower bevel gear, the lower part of the axle of the lower bevel gear is provided with a driving gear C (18), the driving gear C (18) is meshed with a driving gear B (19), and the driving gear B (19) is meshed with a driving gear A (10).

3. The emergency type atmospheric particulate sampler for mine safety production detection according to claim 1, wherein the transmission belt (14) is made of a Kevlar fluorocarbon rubber composite material, and can be freely stretched to 1-3 times of the length of the transmission belt, a rough friction surface is arranged on the surface of the transmission belt, the input end of the gas sampling pump (2) is connected with a gearbox (41), a driven pulley (34) is connected to the input shaft of the gearbox (41), the gear ratio of the gearbox requires matching of the type of the driving gravity self-adaption device and the driving rotating speed of the air suction pump, and the maximum input torque is not more than 150 N.m.

4. The emergency type atmospheric particulate sampler for mine safety production detection as claimed in claim 1, wherein clutch arms (20) are arranged at two ends of a wheel shaft of the driving gear B (19), the clutch arms (20) are hinged to the frame (1), one side of each clutch arm (20) is provided with a tension spring to pull the driving gear B (19) to be meshed with the driving gear A (10), the other side of each clutch arm (20) is provided with a clutch pull rod, and pull rings of the clutch pull rods are arranged on the control panel.

5. The emergency type atmospheric particulate sampler for mine safety production detection as recited in claim 4, wherein the frame (1) comprises two rectangular frames fixed in a vertical crossing manner and a fixed beam inside the frame (1), the gas sampling pump (2) is arranged on one side of the front end inside the rectangular frame arranged horizontally, and the outer side of the front end of the rectangular frame arranged horizontally is provided with a left control panel and a right control panel.

6. The emergency atmospheric particulate sampler for mine safety production testing as recited in claim 5, the gas sampling device is characterized in that a gas flowmeter and a flow adjusting knob are arranged on a left control panel close to a gas sampling pump (2), the flowmeter and the flow adjusting knob are communicated with the gas sampling pump (2), a timer is further arranged on the left control panel, a scale through groove is formed in a right control panel, a pull ring of a clutch pull rod and a drive wire metering pointer disk (32) are arranged on the right control panel, a pointer pointing to the scale through groove is arranged on a gravity sliding seat (6), a minimum total time scale is arranged on the scale through groove, a gravity pulley (7) at the top of the gravity sliding seat (6) is pressed down by a drive wire (4) to drive the pointer to move on the time scale through groove, a wheel shaft of a roller (3) extends to be connected with the drive wire metering pointer disk (32) through a pointer gear, and the drive wire metering disk (32) indicates the lengths of.