Explosion propagation prevention safety device for conveying emulsion explosive through belt

By designing an explosion-transmission safety device for belt conveying emulsified explosives, the rolls of medicine are pushed counterclockwise and shaking radially with the flip plate and spring mechanism to avoid accumulation, and close the feed port and discharge port when an explosion occurs, the problems of medicine rolls of medicine rolls and explosives spread in existing devices are solved, improving safety and reducing production costs.

CN119873323APending Publication Date: 2025-04-25BEIJING ANLIAN GUOKE SAFETY ASSESSMENT CO LTD
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Patent Information

Application Number
CN202510251745.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2025-04-25

AI Technical Summary

Technical Problem

The existing explosion-transmission device for conveying emulsified explosives cannot effectively avoid rolling accumulation of medicine rolls and leaking of medicine powder, resulting in safety hazards and increased production costs.

Method used

An explosion-proof safety device is designed, and the medicine roll is put into the conveyor cylinder through the cooperation of the first conveyor belt and the guide plate. The medicine roll is pushed counterclockwise and jittered radially to avoid accumulation. At the same time, the linkage between the servo motor and the arc-shaped cover plate is used to close the inlet and outlet in a timely manner when an explosion occurs to prevent the explosives from spreading.

Benefits of technology

It effectively avoids rolling accumulation of medicine rolls, reduces the risk of explosion transmission and death, improves the safety of the device, and collects powder through cleaning mechanisms, reducing production costs and environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an explosion propagation prevention safety device for conveying emulsion explosives through a belt, the explosion propagation prevention safety device comprises a base plate, the top of the base plate is fixedly connected with two fixed plates which are distributed front and back, and a movable plate is arranged between the two fixed plates. Emulsion explosive cartridges are put into an inner cavity of a conveying cylinder from a feeding port through cooperation of a first conveying belt and a material guiding plate, a plurality of material turning plates are driven to rotate through linkage of a driving motor, a first square rod and a first square hole round pipe, and therefore the cartridges can be pushed anticlockwise, a movable plate is pushed to move back and forth in a reciprocating mode under rotation of a cam, and the explosive cartridges are conveyed through a conveying belt. According to the device, the conveying cylinder is driven to shake in the radial direction, so that cartridges in an inner cavity of the conveying cylinder can be shaken, the cartridges are radially laid between every two adjacent turning plates, the cartridges are pushed to rotate along with the turning plates, the radial cartridges can be pushed to the position between every two adjacent separation edge plates on the second conveying belt from a discharging port, and then the cartridges are conveyed to the conveying cylinder through the discharging port. And the emulsion explosive cartridges are prevented from rolling and stacking together.
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Description

Technical Field

[0001] The invention relates to the technical field of emulsion explosive conveying devices, in particular to an explosion-proof safety device for conveying emulsion explosives by belts. Background Art

[0002] The phenomenon that the explosion of explosives causes the explosion of explosives at a certain distance around it is called sympathetic detonation. In order to simplify the process flow, the current explosives production line generally only uses one belt to convey the emulsion explosive rolls from the loading process to the packaging process. This can easily cause the emulsion explosive rolls to be closely connected during the belt conveying process, which can easily cause explosion transmission and sympathetic detonation in the belt conveyor, posing a great safety hazard to the entire loading and packaging processes.

[0003] The existing explosion-proof device for conveying emulsion explosive rolls cannot prevent the rolls from rolling and piling up when conveying the rolls, resulting in an unsatisfactory explosion-proof effect. In addition, since the powder in the rolls leaks onto the conveying assembly, the powder is easily attached to the surface of the rolls during the conveying process, which not only easily causes pollution, but also increases the production cost of the emulsion explosives. Summary of the invention

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an anti-explosion safety device for belt conveying emulsion explosives, comprising a base plate, the top of the base plate is fixedly connected to two fixed plates distributed front and back, and a movable plate is arranged between the two fixed plates, a conveying cylinder is fixedly connected to the top of the movable plate, and a feed port and a discharge port are respectively provided on the left and right sides of the conveying cylinder, a first conveying belt is provided on the left side of the feed port, and a material guiding mechanism is provided on the right side of the first conveying belt, a second conveying belt is provided on the right side of the discharge port, and a plurality of dividing ribs are equidistantly arranged on the outer surface of the second conveying belt, a cleaning mechanism is arranged between the second conveying belt and the conveying cylinder, a limiting square rod is fixedly passed through radially on the movable plate, square holes matching the limiting square rods are provided on the two fixed plates, and the front ends of the limiting square rods pass through the inner cavities of the adjacent square holes and are fixedly connected to baffles, the rear ends of the limiting square rods pass through the inner cavities of the adjacent square holes and are fixedly connected to push plates, and the outer walls of the limiting square rods are respectively sleeved near the front and rear ends A first spring and a second spring are provided, the two ends of the first spring are fixedly connected to the push plate and the rear fixed plate respectively, the two ends of the second spring are fixedly connected to the movable plate and the front fixed plate respectively, the rear side of the push plate is provided with a collision mechanism, the front and rear sides of the conveying cylinder are fixedly connected with the same first square hole round tube at the center of the circle of the front and rear sides, the rear side of the conveying cylinder is fixedly connected with a U-shaped plate, and the U-shaped plate is provided with a first bearing, the rear end of the first square hole round tube passes through the first bearing inner cavity, and the inner cavity of the first square hole round tube slides through a first square rod adapted thereto, the top front side of the base plate is fixedly connected with a vertical plate, and the rear side of the vertical plate is provided with a second bearing, the inner cavity of the second bearing is rotatably connected with a movable shaft, and the front end of the first square rod is fixedly connected with the movable shaft, a bracket is provided at the top rear side of the base plate, and a driving motor is provided at the top of the bracket, the rear end of the first square rod is fixedly connected to the power output end of the driving motor, and the outer wall of the first square hole round tube is equidistantly fixedly connected with a plurality of flipping plates.

[0005] Preferably, the impact mechanism includes a cam, and the cam is located on the rear side of the push plate, a transmission shaft is fixed through the cam near the front side, and the bottom end of the transmission shaft is rotatably connected to the base plate, the top end of the transmission shaft is fixedly connected to a driven bevel gear, and the top of the driven bevel gear is meshed with a transmission bevel gear, and the transmission bevel gear is sleeved and fixed on the outer wall of the first square rod.

[0006] Preferably, a first brush is fixedly connected to one side of the turning plate away from the first square hole circular tube, and the other side of the first brush is arranged in close contact with the inner wall of the conveying cylinder.

[0007] Preferably, a dust exhaust port is opened at the bottom of the inner cavity of the conveying cylinder near the right side, and the inner cavity of the dust exhaust port is provided with an isolation net, a collecting box is provided at the bottom of the dust exhaust port, and an inclined plate is fixedly connected to the right side of the inner cavity of the collecting box near the top, a collecting box is slidably connected to the bottom of the inner cavity of the collecting box, and a handle is fixedly connected to the front side of the collecting box.

[0008] Preferably, the material guide mechanism includes a material guide plate, and the material guide plate is located between the first conveyor belt and the conveying cylinder, the top front and rear sides of the material guide plate are fixedly connected with side plates, the bottom of the material guide plate is fixedly connected with a first support column, and the bottom end of the first support column is fixedly connected to the base plate.

[0009] Preferably, the cleaning mechanism includes a cleaning table, and the cleaning table is located between the conveying cylinder and the second conveyor belt, the bottom of the cleaning table is fixedly connected to a second support column, and the bottom end of the second support column is fixedly connected to the base plate, a cleaning channel is opened horizontally and obliquely upward on the cleaning table, and a second brush is arranged at the bottom of the inner cavity of the cleaning channel, a dust suction pump is arranged at the top of the inner cavity of the cleaning channel, and a dust exhaust pipe is arranged on the top of the dust suction pump, and the other end of the dust exhaust pipe passes through the right side wall of the collecting box and is communicated with the inner cavity of the collecting box.

[0010] Preferably, two arc-shaped cover plates corresponding to the feed port and the discharge port are slidably fitted on the outer wall of the conveying cylinder, and a connecting rod is fixedly connected to the rear side of the arc-shaped cover plate, and the other ends of the two connecting rods are fixedly connected to the same sleeve, and the sleeve is rotatably sleeved on the outer wall of the first square hole circular tube near the rear end, and the front and rear sides of the sleeve are both fitted with limit rings, and the limit rings are sleeved and fixed on the outer wall of the first square hole circular tube, and a driven gear is sleeved and fixed on the outer wall of the sleeve, and a servo motor is provided on the front side of the bracket, and a second bearing is provided on the U-shaped plate, and the inner cavity of the second bearing is rotatably connected to the second square hole circular tube, and the inner cavity of the second square hole circular tube is slidably penetrated by a second square rod adapted thereto, and the rear end of the second square rod is fixedly connected to the power output end of the servo motor, and a transmission gear meshing with the driven gear is sleeved and fixed on the outer wall of the second square hole circular tube.

[0011] Preferably, a slide groove is provided on the top of the base plate, and a pulley adapted thereto is slidably connected to the inner cavity of the slide groove, and the top of the pulley is hinged to the bottom of the movable plate.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention puts the emulsion explosive roll into the inner cavity of the conveying cylinder from the feed port through the cooperation of the first conveyor belt and the guide plate, and drives a plurality of flipping plates to rotate through the linkage of the driving motor, the first square rod and the first square hole round tube, so that the roll can be pushed counterclockwise, and through the linkage arrangement of the transmission bevel gear, the driven bevel gear, the transmission shaft, the cam, the push plate, the limit square rod, the first spring, the movable plate, the second spring, the pulley and the slide groove, the movable plate can be pushed to move back and forth under the rotation of the cam, and the conveying cylinder can be driven to shake radially, so that the roll of medicine in the inner cavity of the conveying cylinder can be shaken, so that the roll of medicine lies radially between two adjacent flipping plates, and as the flipping plate pushes the roll of medicine to rotate, the radial roll of medicine can be pushed from the discharge port to between two adjacent dividing ribs on the second conveyor belt, thereby preventing the emulsion explosive rolls from rolling and piling up.

[0014] 2. The present invention adopts the linkage arrangement of the servo motor, the second square rod, the second square hole round tube, the transmission gear, the driven gear, the sleeve, the limit ring, the connecting rod and the arc cover plate. When an explosion occurs in the inner cavity of the conveying cylinder, the servo motor can be started to drive the second square rod to rotate, and drive the sleeve to rotate. The rotation of the sleeve drives the two arc cover plates to rotate counterclockwise through the two connecting rods, and closes the feed port and the discharge port respectively, thereby preventing the explosive and fire from spreading to the outside of the conveying cylinder, which is beneficial to improving the safety of the device and reducing economic losses.

[0015] 3. The present invention drives the turning plate to rotate by the rotation of the first square hole round tube, and the turning plate drives the first brush to clean and push the powder attached to the inner wall of the conveying tube during the rotation, so that the cleaned and accumulated powder can be pushed into the collection box through the dust discharge port and introduced into the collection box by the inclined plate. After the medicine roll is pushed into the inner cavity of the cleaning channel, the medicine roll rolls on the second brush to realize automatic cleaning of the medicine roll. At the same time, the powder can be transported into the inner cavity of the collection box by the dust suction pump and the dust discharge pipe, so that the powder can be collected, reducing the production cost of emulsion explosives and avoiding environmental pollution when the emulsion explosive rolls are transported. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0017] Figure 2 It is a left-side structural schematic diagram of the present invention;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the collection box of the present invention;

[0019] Figure 4 for Figure 2 Enlarged view of point A in the middle.

[0020] Numbers in the figure: 1, base plate; 2, fixed plate; 3, movable plate; 4, conveying cylinder; 5, feed port; 6, discharge port; 7, first conveyor belt; 8, second conveyor belt; 9, dividing rib plate; 10, pulley; 11, slideway; 12, limit square rod; 13, baffle; 14, push plate; 15, first spring; 16, second spring; 17, bracket; 18, driving motor; 19, cam; 20, transmission shaft; 21, driven bevel gear; 22, transmission bevel gear; 23, first square rod; 24, first square hole round tube; 25, U-shaped plate; 26, vertical plate; 27 , movable shaft; 28, sleeve; 29, limit ring; 30, driven gear; 31, transmission gear; 32, second square hole round tube; 33, second square rod; 34, servo motor; 35, guide plate; 36, side plate; 37, first support column; 38, cleaning table; 39, cleaning channel; 40, second brush; 41, dust outlet; 42, isolation net; 43, collection box; 44, collection box; 45, inclined plate; 46, dust pump; 47, dust exhaust pipe; 48, flip plate; 49, first brush; 50, second support column; 51, arc cover plate; 52, connecting rod. DETAILED DESCRIPTION

[0021] See also Figure 1-4The present invention provides a technical solution: an explosion-proof safety device for belt conveying emulsion explosives, comprising a base plate 1, two fixed plates 2 distributed front and back are fixedly connected to the top of the base plate 1, and a movable plate 3 is arranged between the two fixed plates 2, a conveying cylinder 4 is fixedly connected to the top of the movable plate 3, and a feed port 5 and a discharge port 6 are respectively provided on the left and right sides of the conveying cylinder 4, a slide groove 11 is provided on the top of the base plate 1, and a pulley 10 adapted thereto is slidably connected to the inner cavity of the slide groove 11, the top of the pulley 10 is hingedly arranged with the bottom of the movable plate 3, and the movable plate 3 can be horizontally limited in the radial direction to improve its movement stability, a first conveyor belt 7 is arranged on the left side of the feed port 5, and a material guide mechanism is arranged on the right side of the first conveyor belt 7, and a material guide mechanism is arranged on the right side of the discharge port 6 A second conveyor belt 8 is provided, and a plurality of dividing ribs 9 are equidistantly arranged on the outer surface of the second conveyor belt 8, so that when the second conveyor belt 8 is conveying the medicine rolls, two adjacent medicine rolls are prevented from rolling and piling up together during the movement. A cleaning mechanism is provided between the second conveyor belt 8 and the conveying cylinder 4. A fixed limiting square rod 12 is radially penetrated through the movable plate 3. Square holes adapted to the limiting square rod 12 are provided on the two fixed plates 2. The front end of the limiting square rod 12 penetrates through the inner cavity of the adjacent square hole and is fixedly connected with a baffle 13. The rear end of the limiting square rod 12 penetrates through the inner cavity of the adjacent square hole and is fixedly connected with a push plate 14. The outer wall of the limiting square rod 12 is respectively sleeved with a first spring 15 and a second spring 16 near the front and rear ends. The two ends of the first spring 15 are respectively connected to the push plate 14 and the rear side The fixed plate 2 is fixedly connected, the two ends of the second spring 16 are fixedly connected to the movable plate 3 and the front fixed plate 2 respectively, the rear side of the push plate 14 is provided with an impact mechanism, the same first square hole circular tube 24 is fixedly penetrated at the center of the front and rear sides of the conveying cylinder 4, the rear side of the conveying cylinder 4 is fixedly connected with a U-shaped plate 25, and the U-shaped plate 25 is provided with a first bearing, the rear end of the first square hole circular tube 24 penetrates the inner cavity of the first bearing, and the inner cavity of the first square hole circular tube 24 slides through a first square rod 23 adapted thereto, a vertical plate 26 is fixedly connected at the top front side of the base plate 1, and a second bearing is provided at the rear side of the vertical plate 26, the inner cavity of the second bearing is rotatably connected with a movable shaft 27, and the front end of the first square rod 23 is fixedly connected to the movable shaft 27, and a vertical plate 26 is fixedly connected at the top rear side of the base plate 1. There is a bracket 17, and a driving motor 18 is arranged on the top of the bracket 17. The rear end of the first square rod 23 is fixedly connected to the power output end of the driving motor 18. A plurality of flipping plates 48 are fixedly connected to the outer wall of the first square hole circular tube 24 at equal distances. A first brush 49 is fixedly connected to the side of the flipping plate 48 away from the first square hole circular tube 24, and the other side of the first brush 49 is arranged in contact with the inner wall of the conveying cylinder 4. Through the arrangement of the first brush 49, the inner cavity of the conveying cylinder 4 can be cleaned during the rotation of the flipping plate 48, so as to keep the cleanliness of the inner wall of the conveying cylinder 4. The first square rod 23 is driven to rotate by the driving motor 18, and the rotation of the first square rod 23 drives the first square hole circular tube 24 to rotate, and the rotation of the first square hole circular tube 24 drives the plurality of flipping plates 48 to rotate counterclockwise.Thus, the medicine roll entering the inner cavity of the conveying cylinder 4 can be pushed out counterclockwise. A dust discharge port 41 is provided at the bottom of the inner cavity of the conveying cylinder 4 near the right side, and the inner cavity of the dust discharge port 41 is provided with an isolation net 42. A collection box 43 is provided at the bottom of the dust discharge port 41, and an inclined plate 45 is fixedly connected to the right side of the inner cavity of the collection box 43 near the top. A collection box 44 is slidably connected to the bottom of the inner cavity of the collection box 43, and a handle is fixedly connected to the front side of the collection box 44. The first brush 49 is driven to rotate by the turning plate 48, so that the medicine powder can be pushed out from the dust discharge port 41 and collected into the inner cavity of the collection box 44, which is conducive to reducing the production cost of emulsion explosives.

[0022] The impact mechanism includes a cam 19, and the cam 19 is located at the rear side of the push plate 14. A transmission shaft 20 is fixedly passed through the cam 19 near the front side, and the bottom end of the transmission shaft 20 is rotatably connected to the base plate 1. The top of the transmission shaft 20 is fixedly connected to a driven bevel gear 21, and the top of the driven bevel gear 21 is meshed with a transmission bevel gear 22. The transmission bevel gear 22 is sleeved and fixed on the outer wall of the first square rod 23. The first square rod 23 is driven to rotate by the driving motor 18, and the transmission shaft 20 is driven to rotate by the meshing of the transmission bevel gear 22 and the driven bevel gear 21. The rotation of the transmission shaft 20 drives the cam 19 to rotate. The rotation of the cam 19 will radially impact the push plate 14, and reset the movable plate 3 under the setting of the first spring 15 and the second spring 16, thereby realizing the horizontal radial shaking of the conveying cylinder 4, and then the medicine roll delivered into the inner cavity of the conveying cylinder 4 can be shaken to a state flush with the first square hole circular tube 24, so that the medicine roll can be radially pushed out from the discharge port 6.

[0023] The material guiding mechanism includes a material guiding plate 35, and the material guiding plate 35 is located between the first conveyor belt 7 and the conveying drum 4, and side plates 36 are fixedly connected to the front and rear sides of the top of the material guiding plate 35, and a first supporting column 37 is fixedly connected to the bottom of the material guiding plate 35, and the bottom end of the first supporting column 37 is fixedly connected to the base plate 1. Through the inclined setting of the material guiding plate 35, the medicine roll dropped from the first conveyor belt 7 can be guided into the inner cavity of the conveying drum 4, and the setting of the front and rear side plates 36 can limit the medicine roll to prevent the medicine roll from accidentally falling during the downward sliding process.

[0024] The cleaning mechanism includes a cleaning table 38, and the cleaning table 38 is located between the conveying cylinder 4 and the second conveyor belt 8. The bottom of the cleaning table 38 is fixedly connected to a second support column 50, and the bottom end of the second support column 50 is fixedly connected to the base plate 1. A cleaning channel 39 is opened on the cleaning table 38 horizontally and obliquely upward, and a second brush 40 is provided at the bottom of the inner cavity of the cleaning channel 39. A dust suction pump 46 is provided at the top of the inner cavity of the cleaning channel 39, and a dust exhaust pipe 47 is provided on the top of the dust suction pump 46. The other end of the dust exhaust pipe 47 passes through the right side wall of the collection box 43 and is connected to the inner cavity of the collection box 43. When the medicine roll falls into the inner cavity of the cleaning channel 39 from the discharge port 6, the medicine roll slides downward in the inner cavity of the cleaning channel 39, and through the fit with the second brush 40, the medicine powder attached to the surface of the medicine roll can be automatically cleaned, thereby ensuring the cleanliness of the surface of the medicine roll and avoiding environmental pollution.

[0025] Two arc-shaped cover plates 51 corresponding to the feed port 5 and the discharge port 6 are slidably fitted on the outer wall of the conveying cylinder 4, and a connecting rod 52 is fixedly connected to the rear side of the arc-shaped cover plate 51. The other ends of the two connecting rods 52 are fixedly connected to the same sleeve 28, and the sleeve 28 is rotatably sleeved on the outer wall of the first square hole circular tube 24 near the rear end. The front and rear sides of the sleeve 28 are fitted with limit rings 29, and the limit rings 29 are sleeved and fixed on the outer wall of the first square hole circular tube 24. A driven gear 30 is sleeved and fixed on the outer wall of the sleeve 28. A servo motor 34 is provided on the front side of the bracket 17. A second bearing is provided on the U-shaped plate 25, and the inner cavity of the second bearing is rotatably connected to the second square hole circular tube 32. The inner cavity of 32 is slidably penetrated by a second square rod 33 adapted thereto, and the rear end of the second square rod 33 is fixedly connected to the power output end of the servo motor 34, and the outer wall of the second square hole round tube 32 is sleeved and fixed with a transmission gear 31 meshing with the driven gear 30, and the second square rod 33 is driven to rotate by the servo motor 34, and the rotation of the second square rod 33 drives the second square hole round tube 32 to rotate, and the engagement of the transmission gear 31 with the driven gear 30 drives the sleeve 28 to rotate, and the rotation of the sleeve 28 drives the two connecting rods 52 to rotate, and drives the arc cover plate 51 to cover the feed port 5 and the discharge port 6, thereby preventing explosives and fire from spreading to the outside of the conveying cylinder 4, improving the safety of the device while reducing economic losses.

[0026] Working principle: When the present invention is in use, the medicine roll of the production number is conveyed to the right by the first conveyor belt 7, and slides down on the guide plate 35, so that the medicine roll can slide from the feed port 5 into the inner cavity of the conveying cylinder 4 between two adjacent flipping plates 48, and the driving motor 18 drives the first square rod 23 to rotate, and the rotation of the first square rod 23 drives the first square hole round tube 24 to rotate, and the rotation of the first square hole round tube 24 drives the flipping plate 48 to rotate counterclockwise, so that the medicine roll can be pushed to move, and the rotation of the first square rod 23 drives the transmission shaft 20 to rotate through the meshing of the transmission bevel gear 22 and the driven bevel gear 21, and the transmission The rotation of the movable shaft 20 drives the cam 19 to rotate, and the rotation of the cam 19 will impact and push the push plate 14, so that the movable plate 3 can be driven to move horizontally and radially through the limiting square rod 12, so as to drive the conveying cylinder 4 to shake radially, and then the medicine roll in the inner cavity of the conveying cylinder 4 can be shaken to a radially lying state, and the medicine roll is pushed from the discharge port 6 into the inner cavity of the cleaning channel 39 through the turning plate 48, so that the medicine roll contacts the second brush 40, so that the medicine powder attached to the surface of the medicine roll can be cleaned, and the medicine roll in the radial state can slide to between the two adjacent dividing ridges 9 on the second conveyor belt 8, so as to avoid In order to prevent the accumulation of medicine rolls, the turning plate 48 will drive the first brush 49 to clean and push the medicine powder attached to the inner wall of the conveying tube 4, and push the accumulated medicine powder into the inner cavity of the collecting box 43 through the dust discharge port 41, and then the medicine powder can be slid into the inner cavity of the collecting box 44 under the setting of the inclined plate 45. In addition, by starting the dust suction pump 46, the medicine powder scattered in the inner cavity of the cleaning channel 39 can be adsorbed and transported into the inner cavity of the collecting box 44 through the dust discharge pipe 47, so that the medicine powder can be collected while avoiding environmental pollution. In addition, when the medicine rolls in the inner cavity of the conveying tube 4 When an explosion occurs, the servo motor 34 is started in time to drive the second square rod 33 to rotate, and the rotation of the second square rod 33 drives the second square hole round tube 32 to rotate. The rotation of the second square hole round tube 32 drives the sleeve 28 to rotate through the engagement of the transmission gear 31 and the driven gear 30. The rotation of the sleeve 28 drives the arc cover plate 51 to rotate counterclockwise through the connecting rod 52, thereby driving the upper arc cover plate 51 to cover the feed port 5, and driving the lower arc cover plate 51 to cover the discharge port 6, thereby preventing the explosive and fire in the inner cavity of the conveying tube 4 from spreading to the outside of the conveying tube 4, improving safety while reducing economic losses.

Claims

1. An explosion-proof safety device for belt conveying emulsion explosives, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to two fixed plates (2) distributed front and back, and a movable plate (3) is provided between the two fixed plates (2), the top of the movable plate (3) is fixedly connected to a conveying cylinder (4), and a feed port (5) and a discharge port (6) are respectively provided on the left and right sides of the conveying cylinder (4), a first conveying belt (7) is provided on the left side of the feed port (5), and a material guide mechanism is provided on the right side of the first conveying belt (7), a second conveying belt (8) is provided on the right side of the discharge port (6), and a plurality of dividing ridge plates (9) are equidistantly provided on the outer surface of the second conveying belt (8), and the second A cleaning mechanism is provided between the conveyor belt (8) and the conveyor cylinder (4), a limiting square rod (12) is radially penetrated and fixed on the movable plate (3), and square holes adapted to the limiting square rod (12) are provided on the two fixed plates (2), and the front end of the limiting square rod (12) penetrates the inner cavity of the adjacent square hole and is fixedly connected to a baffle plate (13), and the rear end of the limiting square rod (12) penetrates the inner cavity of the adjacent square hole and is fixedly connected to a push plate (14), and the outer wall of the limiting square rod (12) is respectively sleeved with a first spring (15) and a second spring (16) near the front and rear ends, and the two ends of the first spring (15) are respectively connected to the push plate (14). The push plate (14) is fixedly connected to the rear fixed plate (2), the two ends of the second spring (16) are respectively fixedly connected to the movable plate (3) and the front fixed plate (2), the rear side of the push plate (14) is provided with a collision mechanism, the center of the front and rear sides of the conveying cylinder (4) is penetrated and fixed with a same first square hole round tube (24), the rear side of the conveying cylinder (4) is fixedly connected with a U-shaped plate (25), and the U-shaped plate (25) is provided with a first bearing, the rear end of the first square hole round tube (24) penetrates the inner cavity of the first bearing, and the inner cavity of the first square hole round tube (24) is slidably penetrated with a first square rod (23) adapted thereto. ), a vertical plate (26) is fixedly connected to the front side of the top of the base plate (1), and a second bearing is arranged on the rear side of the vertical plate (26), the inner cavity of the second bearing is rotatably connected to a movable shaft (27), and the front end of the first square rod (23) is fixedly connected to the movable shaft (27), a bracket (17) is arranged on the rear side of the top of the base plate (1), and a driving motor (18) is arranged on the top of the bracket (17), the rear end of the first square rod (23) is fixedly connected to the power output end of the driving motor (18), and a plurality of flipping plates (48) are fixedly connected to the outer wall of the first square hole circular tube (24) at equal intervals.

2. The explosion-proof safety device for belt conveying of emulsion explosives according to claim 1, characterized in that: The impact mechanism comprises a cam (19), and the cam (19) is located on the rear side of the push plate (14); a transmission shaft (20) is fixedly passed through the cam (19) near the front side, and the bottom end of the transmission shaft (20) is rotatably connected to the base plate (1); the top end of the transmission shaft (20) is fixedly connected to a driven bevel gear (21), and the top of the driven bevel gear (21) is meshed with a transmission bevel gear (22), and the transmission bevel gear (22) is sleeved and fixed on the outer wall of the first square rod (23).

3. The explosion-proof safety device for belt conveying of emulsion explosives according to claim 1, characterized in that: A first brush (49) is fixedly connected to one side of the turning plate (48) away from the first square hole circular tube (24), and the other side of the first brush (49) is arranged in close contact with the inner wall of the conveying cylinder (4).

4. The explosion-proof safety device for belt conveying of emulsion explosives according to claim 1, characterized in that: A dust discharge port (41) is provided at the bottom of the inner cavity of the conveying cylinder (4) near the right side, and the inner cavity of the dust discharge port (41) is provided with an isolation net (42), a collection box (43) is provided at the bottom of the dust discharge port (41), and an inclined plate (45) is fixedly connected to the right side of the inner cavity of the collection box (43) near the top, a collection box (44) is slidably connected to the bottom of the inner cavity of the collection box (43), and a handle is fixedly connected to the front side of the collection box (44).

5. The explosion-proof safety device for belt conveying of emulsion explosives according to claim 1, characterized in that: The material guide mechanism comprises a material guide plate (35), and the material guide plate (35) is located between the first conveyor belt (7) and the conveyor cylinder (4), the top and rear sides of the material guide plate (35) are fixedly connected to side plates (36), the bottom of the material guide plate (35) is fixedly connected to a first support column (37), and the bottom end of the first support column (37) is fixedly connected to the base plate (1).

6. The explosion-proof safety device for belt conveying of emulsion explosives according to claim 1, characterized in that: The cleaning mechanism comprises a cleaning table (38), and the cleaning table (38) is located between the conveying cylinder (4) and the second conveying belt (8); the bottom of the cleaning table (38) is fixedly connected to a second support column (50), and the bottom end of the second support column (50) is fixedly connected to the base plate (1); a cleaning channel (39) is opened on the cleaning table (38) in a horizontal and oblique manner upward, and a second brush (40) is arranged at the bottom of the inner cavity of the cleaning channel (39); a dust suction pump (46) is arranged at the top of the inner cavity of the cleaning channel (39), and a dust exhaust pipe (47) is arranged at the top of the dust suction pump (46); the other end of the dust exhaust pipe (47) passes through the right side wall of the collection box (43) and is communicated with the inner cavity of the collection box (43).

7. The explosion-proof safety device for belt conveying of emulsion explosives according to claim 1, characterized in that: Two arc-shaped cover plates (51) are slidably fitted on the outer wall of the conveying cylinder (4) and correspond to the feed port (5) and the discharge port (6) respectively, and a connecting rod (52) is fixedly connected to the rear side of the arc-shaped cover plate (51), and the other ends of the two connecting rods (52) are fixedly connected to the same sleeve (28), and the sleeve (28) is rotatably sleeved on the outer wall of the first square hole circular tube (24) near the rear end, and the front and rear sides of the sleeve (28) are both fitted with limiting rings (29), and the limiting rings (29) are sleeved and fixed on the outer wall of the first square hole circular tube (24), and the sleeve A driven gear (30) is sleeved and fixed on the outer wall of the bracket (28), a servo motor (34) is arranged on the front side of the bracket (17), a second bearing is arranged on the U-shaped plate (25), and the inner cavity of the second bearing is rotatably connected to a second square hole circular tube (32), the inner cavity of the second square hole circular tube (32) is slidably penetrated by a second square rod (33) adapted thereto, and the rear end of the second square rod (33) is fixedly connected to the power output end of the servo motor (34), and a transmission gear (31) meshing with the driven gear (30) is sleeved and fixed on the outer wall of the second square hole circular tube (32).

8. The explosion-proof safety device for belt conveying of emulsion explosives according to claim 1, characterized in that: A slide groove (11) is provided at the top of the base plate (1), and a pulley (10) adapted thereto is slidably connected to the inner cavity of the slide groove (11), and the top of the pulley (10) is hingedly connected to the bottom of the movable plate (3).