Powder spraying and falling detection device for preventing occupational diseases

Abstract

The invention discloses an occupational disease prevention powder spraying and falling detection device which comprises a workshop, a dust concentration detector and a plurality of water sprayers arranged at the upper end of the inner side of the workshop at equal intervals, three adsorption mechanisms are arranged on the upper side of the workshop, and each adsorption mechanism comprises a replacement frame. A plurality of transmission assemblies are detachably connected to the replacement frame, each transmission assembly comprises a rotating shaft and an impeller plate fixedly connected to the rotating shaft so that dust can be adsorbed into the impeller plate, and a plurality of activated carbon rollers are fixedly connected to the impeller plates; through cooperation of the components, a worker is prevented from inhaling air with high dust concentration, then pneumoconiosis, bronchial asthma, occupational nasosinusitis, occupational skin diseases and the like can be avoided, and meanwhile the risk that the worker suffers from lung cancer and chronic obstructive pulmonary disease due to exposure of some dust is reduced; and meanwhile, the molecular structure of the dust surface on the ground can be changed, and therefore the situation that settled dust flies again and harms the body health of workers can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of dust concentration detectors, in particular to a powder scattering and falling detection device for preventing occupational diseases. Background Art

[0002] Dust concentration detector is an important environmental monitoring tool, which is widely used in public places, industrial and mining enterprises, scientific research institutions and other fields to detect dust concentration in the environment. These detectors usually adopt advanced technologies, such as laser sensing principle, to provide fast and accurate dust concentration measurement. Dust concentration detector mainly adopts laser sensing principle to determine dust concentration by measuring the number and size of particles in the air. This technology provides fast and accurate measurement results and is suitable for various environmental monitoring needs. The application field of dust concentration detector is very wide, including but not limited to dust concentration determination at the production site of industrial and mining enterprises, monitoring of inhalable particles in public places, atmospheric dust detection by environmental monitoring departments, scientific research, filter performance testing and other aspects of on-site testing, etc. Dust concentration detector provides fast and accurate dust concentration measurement solutions for environmental monitoring by adopting advanced laser sensing principle and automation technology, and is widely used in various environments and industrial fields.

[0003] However, during the use of existing equipment, this type of equipment can only measure dust concentration, but cannot reduce the dust concentration in the working environment while detecting dust concentration. At the same time, the dust concentration in the air can not be effectively reduced through the dust reduction system, thereby increasing the exposure of workers to high-concentration dust working environment, which may lead to a variety of occupational diseases, including pneumoconiosis, bronchial asthma, occupational sinusitis, occupational skin diseases, etc. Pneumoconiosis is the most common. Inhalation of high-concentration dust causes lung inflammation and fibrosis, which seriously affects respiratory function. At the same time, certain dust exposure may also increase the risk of lung cancer and chronic obstructive pulmonary disease.

[0004] Therefore, a powder scattering and falling detection device for preventing occupational diseases is proposed. Summary of the invention

[0005] The object of the present invention is to provide a powder scattering and falling detection device for preventing occupational diseases, so as to solve the problem proposed in the above-mentioned background technology that it is impossible to reduce the dust concentration in the working environment while detecting the dust concentration, and at the same time effectively reduce the dust concentration in the air through the dust reduction system, thereby increasing the exposure of workers to a high-concentration dust working environment, which may lead to various occupational disease problems.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a powder scattering and falling detection device for preventing occupational diseases, comprising a workshop, a dust concentration detector and a plurality of sprinklers equidistantly arranged at the upper end of the inner side of the workshop, three groups of adsorption mechanisms are arranged at the upper side of the workshop, the adsorption mechanism comprises a replacement frame, a plurality of transmission components are detachably connected to the replacement frame, the transmission component comprises a rotating shaft and an impeller plate fixedly connected to the rotating shaft, so that dust can be adsorbed into the impeller plate, and a plurality of activated carbon rollers are fixedly connected to the impeller plate, so that the sprinkler can drive the transmission component to rotate when spraying water, the transmission component is connected to a round rod through a transmission belt 1 at both ends, and a transmission groove matching the transmission belt 1 is arranged inside the workshop, two bevel gears are fixedly connected to the two ends of the round rod, and the bevel gear is connected to a ventilation mechanism;

[0007] The ventilation mechanism includes a ventilation plate and a threaded bevel gear meshing with the bevel gear, the front ends of the two threaded bevel gears are movably connected with a threaded sleeve, and the threaded sleeve is movably connected to the inside of a limiting slide groove provided on the ventilation plate, so that the threaded sleeve moves forward and drives the ventilation plate to rotate at the same time, the ventilation plate is connected to the inside of the workshop through the rotation of the transmission shaft, and a placement groove matching the ventilation plate is provided on the workshop, the transmission shaft is connected to a positioning gear through two transmission belts at both ends, and the positioning gear is connected to a liquid spraying mechanism.

[0008] Preferably: the adsorption mechanism also includes a slide groove opened inside the workshop, and the interior of the slide groove is disassembled and connected with a replacement frame, and both ends of the replacement frame are provided with limit assemblies matching the slide groove, so that the replacement frame can be disassembled and fixed on the slide groove.

[0009] Preferably, both ends of the transmission assembly are fixedly connected with latching assemblies matching the replacement frame, so that the transmission assembly can be detachably connected to the replacement frame.

[0010] Preferably: the ventilation holes on the ventilation plate are connected to the outside of the workshop, and an exhaust pump is provided inside so that the air inside the workshop can be discharged through the ventilation plate, and the upper end of the ventilation plate is fixedly connected with a sealing ring matching the placement groove so that dust in the air outside the workshop will not flow back into the workshop.

[0011] Preferably: grooves matching the second transmission belt are provided at both ends of the transmission shaft so that the second transmission belt will not fall off the transmission shaft during transmission, and torsion springs are provided at both ends of the transmission shaft to facilitate resetting the ventilation plate.

[0012] Preferably: the liquid spraying mechanism includes a movable plate, and both ends of the movable plate are movably connected with movable tooth plates meshing with the positioning gears, so that the movable plate can move forward in the movable groove opened inside the workshop, and the front end of the movable plate is fixedly connected with multiple equidistant liquid spraying heads.

[0013] Preferably, a liquid storage tank is detachably mounted inside the movable plate, and the liquid spray head is connected to the liquid storage tank inside the movable plate, so that the liquid inside the liquid storage tank is sprayed out through the liquid spray head and the internal spray assembly when the movable plate moves forward.

[0014] Preferably, the movable tooth plate is movably connected to the movable plate via a straight groove, and the straight groove is longer than the length of the movable tooth plate, so that the locking gear and the movable tooth plate will not be separated when the locking gear drives the movable tooth plate to move.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention drives the transmission component to rotate through the impeller plate, and at the same time, adsorbs the mixed dust inside the activated carbon roller, so as to prevent the dust from falling on the workers or falling on the breathing space of the workers and being inhaled into the lungs by the workers, and at the same time, the transmission component rotates, and the bevel gear is driven to rotate through the transmission belt and the round rod, so that the threaded sleeve on the front end of the bevel gear is turned out and moved forward, and at the same time, the ventilation plate is turned out from the placement groove under the limit of the limit slide groove inside the ventilation plate, so that the exhaust port at the front end of the ventilation plate is turned out, and the internal exhaust pump is started to extract the air in the breathing space of the workers, so as to prevent the workers from inhaling air with high dust concentration, thereby preventing pneumoconiosis, bronchial asthma, occupational sinusitis, occupational skin diseases, etc., and reducing the risk of lung cancer and chronic obstructive pulmonary disease caused by certain dust exposure;

[0017] 2. The present invention can pull the replacement frame out of the workshop through the limit assembly inside the slide slot, and at the same time, the transmission assembly can be disassembled from the replacement frame and replaced through the clamping assemblies at both ends of the transmission assembly, thereby preventing the activated carbon roller from no longer absorbing dust, thereby increasing the risk of workers suffering from occupational diseases;

[0018] 3. The present invention drives the bottom locking gear to rotate through the second transmission belt, so that when the ventilation plate rotates toward the inside of the placement groove, the movable plate is extended from the inside of the workshop through the action of the locking gear and the movable tooth plate. At this time, the dust below the breathing range of the staff is settled to the ground, and the liquid in the movable plate is sprayed out through the spray head extended from the inside of the workshop, thereby changing the molecular structure of the dust surface on the ground, thereby preventing the settled dust from flying again and endangering the health of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the overall structural view of the present invention;

[0020] Figure 2 This is a diagram showing the overall structure of the present invention;

[0021] Figure 3 It is a cross-sectional schematic diagram of a workshop of the present invention;

[0022] Figure 4 is a three-dimensional diagram of the ventilation mechanism of the present invention;

[0023] Figure 5 is a three-dimensional diagram of the adsorption mechanism of the present invention;

[0024] Figure 6 is a three-dimensional diagram of the liquid spraying mechanism of the present invention;

[0025] Figure 7 For the present invention Figure 6 The stereogram of A in ;

[0026] Figure 8 It is a three-dimensional diagram of the transmission assembly of the present invention.

[0027] In the figure:

[0028] 1. Workshop; 2. Sprinkler;

[0029] 3. Adsorption mechanism; 31. Replacement frame; 32. Slide; 33. Transmission slot; 34. Transmission assembly; 341. Rotating shaft; 342. Impeller plate; 343. Activated carbon roller; 35. Transmission belt 1; 36. Round rod; 37. Bevel gear;

[0030] 4. Ventilation mechanism; 41. Ventilation port; 42. Placement slot; 43. Threaded bevel gear; 44. Threaded sleeve; 45. Limiting slideway; 46. Transmission shaft; 47. Transmission belt 2; 48. Positioning gear;

[0031] 5. Liquid spraying mechanism; 51. Moving plate; 52. Movable groove; 53. Moving tooth plate; 54. Liquid spraying head;

[0032] 6. Dust concentration detector. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figures 1 to 8 The present invention provides a technical solution for a powder scattering and falling detection device for preventing occupational diseases:

[0035] A powder scattering and falling detection device for preventing occupational diseases, comprising a workshop 1, a dust concentration detector 6 and a plurality of sprinklers 2 equidistantly arranged at the upper end of the inner side of the workshop 1, three groups of adsorption mechanisms 3 are arranged at the upper side of the workshop 1, the adsorption mechanism 3 comprises a replacement frame 31, a plurality of transmission components 34 are detachably connected to the replacement frame 31, the transmission component 34 comprises a rotating shaft 341 and an impeller plate 342 fixedly connected to the rotating shaft 341, so that dust can be adsorbed into the impeller plate 342, and a plurality of activated carbon rollers 343 are fixedly connected to the impeller plate 342, so that the sprinkler 2 can drive the transmission component 34 to rotate when spraying water, the transmission component 34 is connected to a round rod 36 through a transmission belt 35 at both ends, and a transmission groove 33 matching the transmission belt 35 is arranged inside the workshop 1, two bevel gears 37 are fixedly connected to both ends of the round rod 36, and the bevel gear 37 is connected to the ventilation mechanism 4;

[0036] The ventilation mechanism 4 includes a ventilation plate 41 and a threaded bevel gear 43 meshing with the bevel gear 37. The front ends of the two threaded bevel gears 43 are movably connected with a threaded sleeve 44, and the threaded sleeve 44 is movably connected to the inside of a limiting slide groove 45 provided on the ventilation plate 41, so that the threaded sleeve 44 moves forward and drives the ventilation plate 41 to rotate. The ventilation plate 41 is connected to the inside of the workshop 1 through the rotation of a transmission shaft 46, and a placement groove 42 matching the ventilation plate 41 is provided on the workshop 1. The transmission shaft 46 is transmission-connected to a positioning gear 48 through transmission belts 47 at both ends, and the positioning gear 48 is transmission-connected to the spray mechanism 5.

[0037] The ventilation hole on the ventilation plate 41 is connected to the outside of the workshop 1, and an air pump is arranged inside so that the air inside the workshop 1 can be discharged through the ventilation plate 41. A sealing ring matching the placement groove 42 is fixedly connected to the upper end of the ventilation plate 41 so that dust in the air outside the workshop 1 will not flow back into the workshop 1. Grooves matching the transmission belt 2 47 are arranged at both ends of the transmission shaft 46 so that the transmission belt 2 47 will not fall off the transmission shaft 46 during transmission, and torsion springs are arranged at both ends of the transmission shaft 46 for facilitating the resetting of the ventilation plate 41.

[0038] During operation, when the staff is working in the workshop 1, the dust concentration detector 6 inside the workshop 1 will detect the dust concentration in the air in real time. When the dust concentration exceeds a predetermined value, an alarm will be sounded, and by issuing instructions to the control system, water will be sprayed downward from the top of the workshop 1 through the sprinkler 2, so that the dust above the head of the staff will settle, and the dust will be mixed with the water sprayed by the sprinkler 2 and fall onto the adsorption mechanism 3 by gravity, and the falling mixture will drive the transmission component 34 to rotate through the impeller plate 342, and at the same time, the mixed dust will be adsorbed inside the activated carbon roller 343, so as to prevent the dust from falling on the staff or falling on the breathing space of the staff and being inhaled into the lungs by the staff, and while the transmission component 34 is rotating, the bevel gear 37 is driven to rotate through the transmission belt 1 35 and the round rod 36, so that the threaded sleeve 44 on the front end of the bevel gear 37 is turned out and moved forward, and at the same time The limiting slide groove 45 inside the ventilation plate 41 causes the ventilation plate 41 to rotate out of the placement groove 42, thereby rotating the exhaust port at the front end of the ventilation plate 41 out, and starting the internal exhaust pump to extract the air in the breathing space of the staff, so as to prevent the staff from inhaling air with high dust concentration, thereby preventing pneumoconiosis, bronchial asthma, occupational sinusitis, occupational skin diseases, etc., and reducing the risk of certain dust exposure causing lung cancer and chronic obstructive pulmonary disease for the staff. When the dust concentration returns to a safe level, the sprinkler 2 no longer sprays water, the transmission assembly 34 stops rotating, and the ventilation plate 41 is driven to rotate by the torsion spring on the transmission shaft 46, so that the threaded sleeve 44 re-enters the threaded bevel gear 43, thereby re-accommodating the ventilation plate 41 into the placement groove 42, and through the sealing ring on the ventilation plate 41, the air outside the workshop 1 is prevented from flowing back into the workshop 1, causing pollution of the air inside the workshop 1.

[0039] As an embodiment of the present invention, Figure 1 , Figure 2 and Figure 3 As shown, the adsorption mechanism 3 also includes a slide groove 32 opened inside the workshop 1, and the interior of the slide groove 32 is detachably connected with a replacement frame 31, and both ends of the replacement frame 31 are provided with limit assemblies matching the slide groove 32, so that the replacement frame 31 can be disassembled and fixed on the slide groove 32, and both ends of the transmission assembly 34 are fixedly connected with a locking assembly matching the replacement frame 31, so that the transmission assembly 34 can be detachably connected to the replacement frame 31.

[0040] During operation, when the activated carbon roller 343 absorbs too much dust, the replacement frame 31 can be pulled out of the workshop 1 through the limiting assembly inside the slide groove 32, and the transmission assembly 34 can be removed from the replacement frame 31 and replaced through the locking assemblies at both ends of the transmission assembly 34, thereby preventing the activated carbon roller 343 from no longer absorbing dust, thereby increasing the risk of occupational diseases for workers.

[0041] As an embodiment of the present invention, Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the liquid spraying mechanism 5 includes a movable plate 51, and both ends of the movable plate 51 are movably connected with movable tooth plates 53 meshing with the positioning gear 48, so that the movable plate 51 can move forward in the movable groove 52 opened in the workshop 1, and the front end of the movable plate 51 is fixedly connected with a plurality of equidistant liquid spraying heads 54, and the interior of the movable plate 51 is detachably installed with a liquid storage tank, and the liquid spraying head 54 is connected to the liquid storage tank inside the movable plate 51, so that when the movable plate 51 moves forward, the liquid inside the liquid storage tank is sprayed out through the liquid spraying head 54 and the internal injection assembly, and the movable tooth plate 53 is movably connected to the movable plate 51 through a straight groove, and the straight groove is greater than the length of the movable tooth plate 53, so that when the positioning gear 48 drives the movable tooth plate 53 to move, the positioning gear 48 and the movable tooth plate 53 will not be separated.

[0042] During operation, when the transmission shaft 46 is restored to its initial state through the rotation of the torsion spring, the bottom locking gear 48 is driven to rotate through the transmission belt 2 47, so that when the ventilation plate 41 rotates toward the inside of the placement groove 42, the movable plate 51 is extended from the inside of the workshop 1 through the action of the locking gear 48 and the movable tooth plate 53. At this time, since the dust below the breathing range of the staff is settled to the ground, the liquid inside the movable plate 51 is sprayed out through the spray head 54 extending from the inside of the workshop 1 (the liquid refers to a common dust suppressant, and the dust suppressant is harmless to the human body. The dust suppressant is an existing well-known technology and will not be described in detail here), thereby changing the molecular structure of the dust surface on the ground, thereby preventing the settled dust from flying again and endangering the health of the staff.

[0043] Working principle: During operation, the dust concentration detector 6 inside the workshop 1 will detect the dust concentration in the air in real time. When the dust concentration exceeds a predetermined value, an alarm will be sounded, and instructions will be issued to the control system (the dust concentration detector 6 adopts a DFM / TZ / XLC workshop / environmental dust concentration detector, which is a prior art and can detect the dust concentration in the air and issue an alarm and control instructions. At the same time, the sprinkler 2 will be controlled through the control system. The above are commonly used technical means in this field and will not be described in detail here). Thus, the sprinkler 2 sprays water downward from the top of the workshop 1, so that the dust above the head of the worker settles, and the dust is mixed with the water sprayed by the sprinkler 2 and falls to the adsorption machine by gravity. The activated carbon roller 343 is mounted on the workroom 1, and the falling mixture drives the transmission component 34 to rotate through the impeller plate 342, and at the same time, the mixed dust is adsorbed inside the activated carbon roller 343. When the activated carbon roller 343 adsorbs too much dust, the replacement frame 31 can be drawn out of the workroom 1 through the limiting component inside the slide 32, and the transmission component 34 can be disassembled from the replacement frame 31 and replaced through the positioning components at both ends of the transmission component 34, so as to prevent the activated carbon roller 343 from no longer adsorbing dust, thereby increasing the risk of occupational diseases for the staff, thereby preventing the dust from falling on the staff or falling on the breathing space of the staff and being inhaled into the lungs by the staff, and while the transmission component 34 rotates, the transmission skin The belt 35 and the round rod 36 drive the bevel gear 37 to rotate, so that the threaded sleeve 44 on the front end of the bevel gear 37 is turned out and moved forward, and at the same time, the ventilation plate 41 is turned out from the placement groove 42 under the limit of the limiting slide groove 45 inside the ventilation plate 41, so that the exhaust port at the front end of the ventilation plate 41 is turned out, and the internal exhaust pump is started to extract the air in the breathing space of the staff, so as to prevent the staff from inhaling air with high dust concentration, thereby avoiding pneumoconiosis, bronchial asthma, occupational sinusitis, occupational skin diseases, etc., and reducing the risk of certain dust exposure causing lung cancer and chronic obstructive pulmonary disease for the staff, and when the dust concentration returns to a safe level, the sprinkler 2 stops spraying water, and the transmission component 34 stops rotating. The torsion spring on the transmission shaft 46 drives the ventilation plate 41 to rotate, so that the threaded sleeve 44 re-enters the threaded bevel gear 43, thereby re-accommodating the ventilation plate 41 into the placement groove 42, and through the sealing ring on the ventilation plate 41, the air outside the workshop 1 is prevented from flowing back into the workshop 1, causing the pollution of the air inside the workshop 1. When the transmission shaft 46 is restored to its initial state by the rotation of the torsion spring, the bottom locking gear 48 is driven to rotate through the transmission belt 2 47, so that when the ventilation plate 41 rotates toward the inside of the placement groove 42, the moving plate 51 is extended from the inside of the workshop 1 through the action of the locking gear 48 and the moving tooth plate 53, and because the dust below the breathing range of the staff is settled to the ground at this time,The liquid in the moving plate 51 is sprayed out through the liquid spray head 54 extending from the interior of the workshop 1, thereby changing the molecular structure of the dust surface on the ground, thereby preventing the settled dust from flying again and endangering the health of the workers.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder scattering and falling detection device for preventing occupational diseases, comprising a workroom (1), a dust concentration detector (6) and a plurality of sprinklers (2) equidistantly arranged at the upper end of the inner side of the workroom (1), characterized in that: Three groups of adsorption mechanisms (3) are arranged at the upper side of the workroom (1), and the adsorption mechanisms (3) include a replacement frame (31), and a plurality of transmission components (34) are detachably connected to the replacement frame (31), and the transmission component (34) includes a rotating shaft (341) and an impeller plate (342) fixedly connected to the rotating shaft (341), so that dust can be adsorbed into the impeller plate (342), and a plurality of activated carbon rollers (343) are fixedly connected to the impeller plate (342), so that the transmission component (34) can be driven to rotate when the water sprayer (2) sprays water, and the transmission component (34) is connected to a round rod (36) through a transmission belt (35) at both ends, and a transmission groove (33) matching the transmission belt (35) is opened inside the workroom (1), and two bevel gears (37) are fixedly connected to the two ends of the round rod (36), and the bevel gear (37) is connected to the ventilation mechanism (4) in a transmission manner; The ventilation mechanism (4) comprises a ventilation plate (41) and a threaded bevel gear (43) meshing with the bevel gear (37); the front ends of the two threaded bevel gears (43) are movably connected with threaded sleeves (44), and the threaded sleeves (44) are movably connected to the inside of a limiting sliding groove (45) provided on the ventilation plate (41), so that the threaded sleeve (44) moves forward and drives the ventilation plate (41) to rotate; the ventilation plate (41) is connected to the inside of the workroom (1) through the rotation of a transmission shaft (46), and a placement groove (42) matching the ventilation plate (41) is provided on the workroom (1); the transmission shaft (46) is transmission-connected with a locking gear (48) through transmission belts (47) at both ends, and the locking gear (48) is transmission-connected with a liquid spraying mechanism (5).

2. A device for detecting powder spillage and falling for preventing occupational diseases according to claim 1, characterized in that: The adsorption mechanism (3) further comprises a slide groove (32) provided inside the workroom (1), and a replacement frame (31) is detachably connected inside the slide groove (32), and limiting components matching the slide groove (32) are provided at both ends of the replacement frame (31) so that the replacement frame (31) can be disassembled and fixed on the slide groove (32).

3. The device for detecting powder spillage and falling for preventing occupational diseases according to claim 1, characterized in that: The two ends of the transmission assembly (34) are fixedly connected with latching assemblies matching the replacement frame (31), so that the transmission assembly (34) can be detachably connected to the replacement frame (31).

4. The device for detecting powder spillage and falling for preventing occupational diseases according to claim 1, characterized in that: The ventilation opening on the ventilation plate (41) is in communication with the outside of the workroom (1), and an exhaust pump is provided inside the ventilation plate (41) so that the air inside the workroom (1) can be discharged through the ventilation plate (41). The upper end of the ventilation plate (41) is fixedly connected with a sealing ring matching the placement groove (42) so that dust in the air outside the workroom (1) will not flow back into the workroom (1).

5. The device for detecting powder spillage and falling for preventing occupational diseases according to claim 1, characterized in that: Grooves matching the second transmission belt (47) are provided at both ends of the transmission shaft (46) to prevent the second transmission belt (47) from coming off the transmission shaft (46) during transmission, and torsion springs for resetting the ventilation plate (41) are provided at both ends of the transmission shaft (46).

6. The device for detecting powder spillage and falling for preventing occupational diseases according to claim 1, characterized in that: The liquid spraying mechanism (5) comprises a movable plate (51), and the two ends of the movable plate (51) are movably connected with movable tooth plates (53) meshingly connected with the locking gear (48), so that the movable plate (51) can move forward in a movable groove (52) opened inside the workroom (1), and the front end of the movable plate (51) is fixedly connected with a plurality of equidistant liquid spraying heads (54).

7. The device for detecting powder spillage and falling for preventing occupational diseases according to claim 6, characterized in that: A liquid storage tank is detachably mounted inside the movable plate (51), and the liquid spray head (54) is connected to the liquid storage tank inside the movable plate (51), so that when the movable plate (51) moves forward, the liquid inside the liquid storage tank is sprayed out through the liquid spray head (54) and the internal spray assembly.

8. The device for detecting powder spillage and falling for preventing occupational diseases according to claim 6, characterized in that: The movable tooth plate (53) is movably connected to the movable plate (51) via a straight groove, and the straight groove is longer than the length of the movable tooth plate (53), so that when the locking gear (48) drives the movable tooth plate (53) to move, the locking gear (48) and the movable tooth plate (53) will not be separated.

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