CN107235160B

CN107235160B - Dust collecting equipment for bagged site

Info

Publication number: CN107235160B
Application number: CN201710554217.0A
Authority: CN
Inventors: 李勇
Original assignee: Funing Longjiang Dust Removal Equipment Co ltd
Current assignee: Funing Longjiang Dust Removal Equipment Co ltd
Priority date: 2017-06-30
Filing date: 2017-06-30
Publication date: 2022-11-04
Anticipated expiration: 2037-06-30
Also published as: CN107235160A

Abstract

A dust catching device for bagged products is used in the fields of mineral products, lime, cement, petrochemical industry, chemical industry, flour, feed factories and the like, is a novel dust catching device which is linked with the original car loading device and is added above indoor car loading sites of various bagged granular powder products, has the function of instantly absorbing and discharging a large amount of dust generated in the process of car loading and carrying, achieves three expected requirements, protects the breathing health of workers, ensures the wide sight of the workers, improves the working efficiency, and achieves the aim of purifying the site environment. The device comprises a horizontal telescopic system 1, a horizontal telescopic pipe fixing support 11, a telescopic pipe square frame 9, a moving trolley 7 and the like, a vertical lifting system 2, a main dust catching cover 1, a vertical telescopic pipe 4, a protective pipe suspender 3, a winch 5, a lifting suspension cable 5-2 and the like, and a dust catching system 3, a main dust catching cover 1, an auxiliary dust catching cover 16, a blower assembly 20 and the like.

Description

Dust collecting equipment for bagged site

Technical Field

The invention relates to a dust collecting device for a bagging site. The novel dust catching device is used in the fields of mineral products, lime, cement, petrifaction, chemical industry, flour, feed factories and the like, a novel dust catching device which is linked with the original car loading device is added above the indoor car loading site of various bagged granular powder products, the novel dust catching device has the function of instantly absorbing and discharging a large amount of dust generated in the car loading process, three expected requirements are met, the health of workers is protected, the working efficiency is improved, and the purpose of purifying the site environment is achieved.

Background

At present, all bagged loading equipment for various dust particle products is diffused by smoke when a loading worker approaches a scene, the loading worker always wears totally-closed work clothes regardless of whether the weather is hot or hot, the mouth and the nose wear a dustproof mask, the eyes wear a windproof mirror, the working environment is poor, the body health influence is large, the continuous working time is short, the existing field loading technology of enterprises is introduced abroad in the last 80 th century and can not keep pace with the times, the dust collection industry is involved for 20 years and is often linked with scientific research institutes, a lot of experience is accumulated in practice, the dust collection equipment is researched and designed, and the effect is excellent in practical trial.

Disclosure of Invention

In order to improve the defects of the prior art, the invention adopts the technical scheme for solving the technical problems, and is characterized in that: the opening of a main dust catching cover (1) is downward, a front cap brim (1-2) is arranged in the front, three-sided flexible vertical curtain skirt (1-1) is arranged on the left, right and back sides, a trapezoidal guide plate (1-3) is designed inside, a top ring (1-4) is arranged on the top of the cover, a suspender welding pipe (1-5) is arranged in the center of the top ring, the upper end of a horn-shaped suspender (1-6) surrounds the suspender welding pipe, the lower end of the horn-shaped suspender is welded on the peripheral wall of the top ring (1-4), the lower end of a vertical telescopic pipe (4) is sleeved on the top ring (1-4), a clamp (1), (2-1) is sleeved outside, screws are adopted to screw the upper end of the clamp, the upper end of the vertical telescopic pipe is sleeved on the lower end of a main elbow pipe (8), a clamp (2) is sleeved, and screws are used for the clamp (2-2), the periphery of the protective tube suspender (3) is totally 6, the next end is fixed at the periphery of a hood top ring (1-4) and is connected with the upper surface of the hood body, the previous end is sleeved into a fixed suspender (7-4) and is fixed by an anti-drop nut (3-4), one end of the outer ring of a screw (3-2) with a ring is sleeved on the protective tube suspender (3), the other end extends into the vertical telescopic tube (4) to be fixed, a hose ascending limiting plate (3-1) is welded at the corresponding position of the lower end of the protective tube suspender (3), an outer fixing component (8-2) is sleeved on a left elbow on the main elbow pipe (8), then is welded and connected by an inclined strut welding plate (8-3), a fixed component (8-2) is connected with a telescopic pipe square frame (9) by a connecting rod screw (8-5), a turning wheel component (8-1) is designed at the elbow of a main elbow pipe (8), consists of a turning wheel bracket (8-1-1) and a turning wheel (8-1-2), a cable hanging hole (8-4) is formed at the bottom of the left side close to the turning wheel component, a rising limit switch (8-6) is fixed at the edge of the lowest part of the elbow, the vertical pipe body is welded and fixed with a movable trolley (7) into a whole by upper and lower fixed angle irons (7-5), the movable trolley (7) is a carrier, the trolley frame (7-1) consists of a plurality of transverse vertical channel steels and angle irons through welding, the elbow clamping plate (7-2) is welded and fixed on the pipe body of the main elbow (8) through welding, the falling limit switch (7-3) is fixed on the inner side of a front clamping plate of the elbow (7-2), the fixed hanging pipe (7-4) is welded on the upper side of the upper and the upper side of the left and right side rail track wheel (7-6) and lower side of the rail rolling limit switch (7-7) of the rail track wheel, the front end of a linkage frame (7-9) is connected with two upright post channel steel at the back of a trolley frame (7-1) through a screw connecting piece (7-8), the back end surface (7-9-1) is connected with the front port (I) of an original equipment track frame (G), a hoisting machine (5) and a motor (5-1) are a combination body, the combination body is arranged inside a movable trolley (7) and close to the front edge, one end of a lifting cable (5-2) is wound on an inner shaft of the hoisting machine, the other end of the lifting cable (5-2) rises through a rotating wheel assembly (8-1) and extends into a cable hanging hole (8-4) and extends downwards from the inside of a main elbow pipe (8) to the center of a cover top ring (1-4) of a main dust catching cover (1), the lifting cable penetrates through a hanger rod welding pipe (1-5) and is sleeved with an anti-falling clamping pipe (5-3) and then is flattened and fixed into a round shape, a horizontal telescopic pipe (10) is telescopic pipe, one end of which is sleeved on a turning opening of the main elbow pipe (8), the hoop 3), the clamp 3 is tightly fastened to the upper side of the square pipe (9-4) through a clamp pipe (9), and a telescopic pipe (9-9) and a telescopic pipe (9) is tightly sleeved with an upper side, and a right telescopic pipe (9) and a telescopic pipe (9-9) and a telescopic pipe (9) fixed upper side Four rollers are assembled in a hose track groove (11-3) of a horizontal telescopic pipe fixing support (11) to realize back-and-forth rolling, the horizontal telescopic pipe fixing support (11) is fixedly arranged on a floor slab (18), the right opening of an auxiliary elbow pipe (14) is connected with a horizontal telescopic pipe (10), the turning upward opening is connected with an electromagnetic air valve (13), a thin elbow pipe (15) extends out of the turning position, a valve wheel handle (15-1) is designed at the turning position of the thin elbow pipe, an air valve plate is arranged in the elbow pipe, the turning downward opening is connected with an auxiliary dust catching cover (16), a hoop 5 is sleeved, the hoop (2-5) is screwed, the lower opening of a dust outlet pipe (12) is connected with the electromagnetic air valve (13), the upper dust outlet (12-1) is connected with a high-efficiency pulse bag dust collector of the original equipment, a left rail (19) and a right rail (19) are arranged on two sides (18) of the floor slab open slot (18-1), and an air blower assembly (20) is arranged at the bottom of the lower end of a downward sliding conveying belt (E) of the original equipment.

The working principle is as follows:

1. a bagged product C is conveyed into a compartment of a truck A by a gliding conveyer belt E of the original equipment in the figure 2, and then conveyed and piled up into a certain high pile by a person B, so that a large amount of dust smoke is generated in the conveying process, and dust particles 17 fly around the person in the figure 1, which causes breathing difficulty of the person; secondly, the sight of the personnel is influenced; thirdly, accidents are caused. The invention installs a blower component 20 at the bottom of the next end of the gliding conveyer belt E of the original equipment, the air sucked by the blower forms a dust flow direction 17-1 through a slipknot elbow 20-2 and strong wind blown by a blower exhaust pipe 20-3, and reaches a lower opening airspace negative pressure area of a main dust catching cover 1, dust particles 17 are instantly sucked by the main dust catching cover 1 according to the arrow direction of the dust flow direction 17-1 under the action of negative pressure in the main dust catching cover, and then flow to the high-efficiency pulse bag dust collector of the original equipment through a vertical extension tube 4, a main elbow tube 8, a horizontal extension tube 10, an auxiliary elbow tube 14, an electromagnetic air valve 13 and a dust outlet tube 12 to be treated, and the influence of dust floating upwards on personnel is avoided.

2. The function of the auxiliary dust catching cover 16 is the same as that of the main dust catching cover 1, dust particles generated by bagged products in the running process on the parallel conveyer belt F in the figure 2 are also blown into the air, and the auxiliary dust catching cover is designed to absorb dust, but the size of the auxiliary dust catching cover is smaller than that of the main dust catching cover because the bagged products are not moved in the running process, so that the dust generating area is small.

3. The bagged product C is conveyed and stacked to a certain height in a wagon box of a wagon A through a person B, the negative pressure suction range in the main dust hood 1 needs to be adjusted to a proper height position, and the optimal effect can be achieved only by synchronizing the negative pressure suction range with the lower end of a sliding conveyer belt E of the original equipment.

4. The truck A has a long truck box, and the truck is required to gradually move backwards from the front of the truck box to the tail of the truck to be full in the process of loading bagged products C, the equipment is connected with a front port I of an original equipment track frame G through a linkage frame 7-9 on a movable trolley 7, a person B manually presses a button on a panel of an electric control box D to be connected with a motor power supply on a parallel conveying belt F to start running, then the movable trolley 7 is driven to move forwards and backwards through the action of the linkage frame, a lower port of a main elbow pipe 8 is connected with a lifting telescopic pipe 4, an upper elbow port is connected with a horizontal telescopic pipe 10, a pipe body is welded and fixed on the movable trolley 7, and when the movable trolley moves forwards and backwards and horizontally under the linkage action, the horizontal telescopic pipe 10 simultaneously starts to shrink or extend, so that the purpose that the truck loading process is from front to back is realized.

The functions of the various important parts:

1. the blower assembly 20 functions to accelerate, assist and direct the dust particles 17 to the suction area of the main dust-catching enclosure 1.

2. The main dust collection cover 1 plays a role of sucking off dust around the carrier B.

3. The clamp 2 plays a role in connecting and fixing each pipe joint.

4. The protective tube hanger rod 3 plays a role in stabilizing and hanging the vertical extension tube 4.

5. The hose ascending limit plate 3-1 and the ascending limit switch 8-6 are matched to limit the ascending position of the main dust catching cover 1.

6. The screw with a ring 3-2 plays a role of connecting the vertical extension tube 4 and the tube stabilizing suspender 3.

7. The hose descending limit plate 3-3, the descending limit switch 7-3 and the anti-drop screw cap 3-4 are matched to limit the descending position of the main dust collection cover 1.

8. The forward limit switch 7-6, the buffer spring 6-1 and the buffer baffle 6-2 are matched to limit the forward position of the movable trolley 7.

9. The movable trolley 7 not only has the fixing function on the fixed hanging pipe 7-4, the main elbow pipe 8, the ring lifting machine 5, the motor 5-1 and the lifting hanging cable 5-2, but also has the function of moving the whole device back and forth.

10. The horizontal telescopic tube fixing bracket 11 plays a role of protecting and fixing the horizontal telescopic tube 10, and the inner middle hose track groove 11-3 also plays a role of providing a regular rolling groove for the roller 9-1 of the telescopic tube square frame 9.

11. The telescopic tube square frame 9 serves to help the balanced fixing and balanced operation of the horizontal telescopic tube 10.

12. The electromagnetic air valve 13 plays a role of opening and closing.

13. The sub-elbow pipe 14 is communicated with the thin elbow pipe 15, and is fixed to a building object to stabilize the horizontal extension pipe 10.

14. The valve wheel handle 15-1 plays a role in adjusting the size of air suction volume according to the area and the range of the auxiliary dust catching cover 16 and the dust particles 17 at the lower opening.

The invention has the beneficial effects that: 1. the main dust catching hood and the auxiliary dust catching hood are additionally arranged on the loading site of the original equipment to catch dust at the front and the rear parts, so that the aims of instantly removing dust and purifying the environment are fulfilled. 2. The air blower is adopted to boost and guide the movement direction of dust, so that the dust collection is facilitated. 3. The design has vertical lift and horizontal flexible moving system and the primary equipment is synchronous, which makes the dust removing system easy and flexible to operate. 4. The beneficial effects of protecting the health of personnel and improving the working efficiency are obvious.

Description of the drawings:

FIG. 1 is an isometric view of the invention in its entirety.

Fig. 2 is a diagram of the relationship of the present invention to legacy devices.

Fig. 3 is a right side view of the invention in relation to a legacy device.

Fig. 4 is an internal display view of the main dust collection cover 1.

Fig. 5 is a top display view of the main dust collection cover 1.

Fig. 6 is an enlarged left side view of the carriage 7.

Fig. 7 is an enlarged right side view of the carriage 7.

Fig. 8 is an enlarged view of the horizontal extension hose fixing bracket 11.

Fig. 9 is an enlarged view showing the relationship between the telescopic tube square frame 9, the horizontal telescopic tube 10 and the horizontal telescopic tube fixing bracket 11.

Fig. 10 is an enlarged view of the vertical extension tube 4 and the horizontal extension tube 10.

Fig. 11 is an enlarged schematic view of the electromagnetic damper 13.

Fig. 12 is an enlarged view of the clip 2.

Fig. 13 is an enlarged view of the raise limit switch 8-6.

Fig. 14 is an enlarged view of the blower assembly 20.

FIG. 15 is an enlarged view showing the relationship among the dust hood 1, the vertical extension tube 4, the ring lifter 5, the traveling carriage 7, the main elbow tube 8, and the like.

Fig. 16 is an enlarged view of the main elbow pipe 8.

Fig. 17 is an enlarged view of the wheel assembly 8-1.

Fig. 18 is an enlarged plan view showing the relationship between the main elbow pipe 8 and the telescopic square pipe 9.

In the drawings: 1. the dust catcher comprises a main dust catching cover, 1-1 three-side flexible curtain hanging skirt, 1-2 cover front brim, 1-3 trapezoidal guide plates, 1-4 cover top rings, 1-5 hanger rod welding pipes, 1-6 horn-shaped hanger rods, 2 clamps, 2-1 clamps, 1-2 clamps, 2-3 clamps, 3-4 clamps, 4-5 clamps, 5,3 clamps, a protective pipe hanger rod, 3-1 hose ascending limiting plate, 3-2 looped screws, 3-3 hose descending limiting plate, 3-4 anti-dropping screw nuts, 4 vertical telescopic pipes, 5-looped lifting machines, 5-1 motors, 5-2 lifting suspension cables, 5-3 anti-dropping clamping pipes, 6 advancing limiting plates, 6-1 buffer springs and 6-2 buffer baffles, 7, a movable trolley, 7-1, a trolley frame, 7-2, an elbow clamping plate, 7-3, a descending limit switch, 7-4, a fixed hanging pipe, 7-5, upper and lower fixed angle irons, 7-6, an advancing limit switch, 7-7, a trolley track wheel assembly, 7-8, a screw connector, 7-9, a linkage frame, 7-9-1, a rear end face, 8, a main elbow pipe, 8-1, a rotating wheel assembly, 8-1-1, a rotating wheel bracket, 8-1-2, a rotating wheel, 8-2, a fixed component, 8-3, an inclined strut welding plate, 8-4, a cable hanging hole, 8-5, a connecting rod screw, 8-6, an ascending limit switch, 9, a telescopic pipe square frame, 9-1, a roller, 9-2. Screw with shaft, 9-3. Fastening screw, 10. Horizontal extension tube, 11. Horizontal extension tube fixing support, 11-1. Support column, 11-2. Support cross column, 11-3. Hose track groove, 11-4. Support bottom plate, 12. Dust outlet tube, 12-1. Dust outlet, 13. Electromagnetic air valve, 14. Auxiliary elbow tube, 15. Thin elbow tube, 15-1. Valve wheel handle, 16. Auxiliary dust catching cover, 17. Dust particle, 17-1. Dust flow direction, 18. Floor, 18-1. Floor open groove, 19. Left and right iron tracks, 20. Blower component, 20-1. Blower body, 20-2. Slipknot elbow, 20-3. Blower exhaust pipe.

Detailed Description

The main dust catching hood 1 has a downward opening, a hood front brim 1-2 is arranged in the front, three-sided flexible vertical curtain skirt 1-1 is arranged on the left, right and back sides, a trapezoidal guide plate 1-3 is designed inside, a hood top ring 1-4 is arranged on the top of the hood, a hanger rod welding pipe 1-5 is arranged in the center of the hood top ring, a hanger rod welding pipe is surrounded by the upper end of a horn-shaped hanger rod 1-6, the lower end of the horn-shaped hanger rod welding pipe is welded on the peripheral wall of the hood top ring 1-4, the lower end of a vertical telescopic pipe 4 is sleeved on the hood top ring 1-4, then a hoop 1, a hoop 2-1 is sleeved outside, screws are screwed by adopting the upper end of the hoop, the upper end of the main elbow pipe 8 is sleeved, and the hoop 2, the hoop 2-2 is screwed, the periphery of a protective pipe hanging rod 3 is totally 6, the next end is fixed on the periphery of a top ring 1-4 of the cover and connected with the upper surface of the cover body, the upper end is sleeved in a fixed hanging pipe 7-4 and then is fixed by an anti-drop nut 3-4, one end of the outer ring of a screw with a ring 3-2 is sleeved on the protective pipe hanging rod 3, the other end extends into the vertical extension pipe 4 to be fixed, a hose ascending limiting plate 3-1 is welded at the corresponding position of the lower end of the protective pipe hanging rod 3, a fixing component 8-2 is sleeved on the outer edge of a left elbow on a main elbow pipe 8 and is welded by an inclined strut welding plate 8-3, the fixing component 8-2 is connected with a square frame 9 of the extension pipe by a connecting rod screw 8-5, a rotating wheel component 8-1 is designed at the elbow of the main elbow pipe 8, the rotating wheel component 8-1-1 is composed of a rotating wheel bracket 8-1-2, a cable hanging hole 8-4 is formed at the left bottom part close to the rotating wheel component, a ascending limiting switch 8-6 is fixed at the edge of the lowest part of the elbow, the vertical pipe body is welded and fixed with a movable trolley 7 into a whole through upper and lower fixed angle irons 7-5, the movable trolley 7 is a carrier, a trolley frame 7-1 is formed by welding a plurality of transverse and vertical channel steels and angle irons, an elbow clamping plate 7-2 is fixed on the pipe body of a main elbow 8 through welding, a descending limit switch 7-3 is fixed on the inner side of a front clamping plate of the elbow clamping plate 7-2, a fixed hanging pipe 7-4 is welded on the upper and lower fixed angle irons 7-5, an advancing limit switch 7-6 is welded on the channel steel on the right side of the lower front side of the trolley frame 7-1, a trolley track wheel assembly 7-7 is welded under the channel steels on the two sides of the bottom, and track wheels are spanned on left and right track rails 19 on the two sides to roll, the front end of a linkage frame 7-9 is connected with two upright post channel steel at the back of a trolley frame 7-1 through a screw connector 7-8, the back end face 7-9-1 is connected with the front end port I of a track frame G of the original equipment, a looping machine 5 and a motor 5-1 are a combined body, the combined body is arranged at the inner front side of a moving trolley 7, one end of a lifting cable 5-2 is wound on an inner shaft of the looping machine, the other end of the lifting cable rises through a rotating wheel assembly 8-1 and extends into a cable hanging hole 8-4 and extends downwards from the inside of a main elbow pipe 8 to the center of a cover top ring 1-4 of a main dust catching cover 1, the combined body penetrates through a hanger rod welding pipe 1-5 and is sleeved with an anti-falling clamping pipe 5-3 and then is flattened and fixed firmly, a horizontal 10 round telescopic pipe is elastic, one end of the telescopic pipe is sleeved on a turning port of the main elbow pipe 8, and then is sleeved with a screw clamp 3.2-3, and the combined body is screwed by a screw clamp, the other end is sleeved on the right port of an auxiliary elbow pipe 14, a hoop 4.2-4 is sleeved and screwed, the whole pipe body is connected and fixed on a telescopic pipe square frame 9 through a fastening screw 9-3 to form a combined body, four rollers 9-1 are arranged at the upper and lower parts of two sides of the telescopic pipe square frame 9 and are fixed in a hose track groove 11-3 of a horizontal telescopic pipe fixing support 11 through shaft screws 9-2, the four rollers can roll back and forth, the horizontal telescopic pipe fixing support 11 is installed and fixed on a floor slab 18, the right port of the auxiliary elbow pipe 14 is connected with the horizontal telescopic pipe 10, the turning upper port is connected with an electromagnetic air valve 13, the turning part extends out of a thin elbow pipe 15, a valve wheel handle 15-1 is designed at the turning part of the thin elbow pipe, an air valve plate is arranged in the elbow, the turning lower port is connected with an auxiliary catching cover 16, the upper hoop 5, 2-5 is sleeved and screwed, the lower port of the auxiliary air valve 12 is connected with the electromagnetic air valve 13, the upper and lower port of the original dust outlet 12-1 is connected with a high-efficiency pulse bag collecting device, the upper and lower port of the left and right rail components are installed on the bottom surface of a rail track 18, and a blower 20 of a lower channel 18.

Claims

1. A dust collecting device for a bagged site is characterized in that: the opening of a main dust catching cover (1) faces downwards, the lower opening of a vertical telescopic pipe (4) is sleeved on a cover top ring (1-4), a hoop 1 (2-1) is sleeved outside and screwed by a hoop with screws, the upper end of the vertical telescopic pipe (4) is sleeved on the lower opening of a main elbow pipe (8), a hoop 2 (2-2) is sleeved outside and screwed by a hoop with screws, 6 protective pipe suspenders (3) are arranged around, the lower end is connected with the upper surface of the main dust catching cover (1) in a surrounding manner, the upper end firstly passes through a through hole of the hoop screws (3-2), then passes through a fixed hanging pipe (7-4) and is fixed by an anti-falling nut (3-4), one end of a screw thread with a ring screw (3-2) is inserted into the vertical extension tube (4) for connection and fixation, a lifting limit plate (3-1) of the vertical extension tube (4) is welded at the lower end position of one left side of the protective tube suspender (3), the bending degree of the main elbow tube (8) is 90 degrees, a left turning opening is firstly sleeved into the right end of the horizontal extension tube (10), then the clamp 3 (2-3) is sleeved, then the clamp is screwed by the screw, a fixing component (8-2) is installed outside the left turning opening and is welded and fixed through an inclined strut welding plate (8-3), the fixing component (8-2) is connected with the square extension tube (9) through a connecting rod screw (8-5), the elbow of the main elbow pipe (8) is provided with a rotating wheel component (8-1) which consists of a rotating wheel shaft bracket (8-1-1) and a rotating wheel (8-1-2), the left bottom part close to the rotating wheel component is provided with a cable hanging hole (8-4), the edge of the bottom part of the elbow downward vertical pipe body is fixed with a lifting limit switch (8-6), the vertical pipe body is welded and fixed with a movable trolley (7) through upper and lower fixed angle irons (7-5) to form a common body, the movable trolley (7) is a carrier, a trolley frame (7-1) is formed by welding a plurality of transverse and vertical channel irons, an elbow clamping plate (7-2) is fixed on the pipe body of the main elbow (8) through welding, a descending limit switch (7-3) is fixed on the inner side of a front splint of an elbow splint (7-2), a fixed hanging pipe (7-4) is welded on upper and lower fixed angle iron (7-5), an advancing limit switch (7-6) is welded on the right side of the lower front edge of a trolley frame (7-1), a trolley track wheel assembly (7-7) is welded under the channel steel at the two sides of the bottom, track wheels cross the left and right track rails (19) at the two sides to roll, the front end of a linkage frame (7-9) is connected with two upright posts at the rear edge of the trolley frame (7-1) through screw connectors (7-8), the rear end face (7-9-1) is connected with the front port (I) of the track frame (G) of the original equipment, the winch (5) and the motor (5-1) are a combined body, the combined body is arranged inside the movable trolley (7) close to the front side, one end of a lifting cable (5-2) is wound on the inner shaft of the winch, the other end of the lifting cable is lifted up through a rotating wheel assembly (8-1) and then extends into a cable hanging hole (8-4) and extends downwards from the inside of a main elbow pipe (8) to the center of a cover top ring (1-4) of the main dust catching cover (1), the combined body penetrates through a suspender welding pipe (1-5) and then is sleeved with an anti-falling clamping pipe (5-3) and then is flattened and fixed, the round telescopic pipe (10) is flexible, the left end of the telescopic pipe is sleeved on the right port of an auxiliary elbow pipe (14), the left end of the telescopic pipe is sleeved with a clamp 4 (2-4) and then is screwed with screws carried by the clamp, the track self-mounted by screws, the whole pipe body is connected and fixed on the telescopic pipe floor slab (9) through fastening screws which are connected and fixed on a telescopic pipe (9-3) and fixed on the telescopic pipe floor slab (9) of a telescopic pipe frame (9), four telescopic pipe support (9) with a horizontal support (11), four telescopic pipe (11) which is mounted in a horizontal telescopic pipe (9-3) and can be mounted on the upper and back and forth, four telescopic pipe (9-and forth, the horizontal support (11) and forth, the horizontal support (9-3) which is mounted in the telescopic pipe (9) and forth telescopic pipe (9), an upper turning opening of an auxiliary elbow pipe (14) is connected with an electromagnetic air valve (13), a thin elbow pipe (15) extends from the turning position, a valve wheel handle (15-1) is designed at the turning position of the thin elbow pipe, an air valve plate is arranged inside the elbow pipe, a lower turning opening is connected with an auxiliary dust hood (16), a hoop 5 (2-5) is sleeved on the elbow pipe and screwed down by a screw with the hoop, a lower opening of a dust outlet pipe (12) is connected with the electromagnetic air valve (13), an upper dust outlet (12-1) is connected with a high-efficiency pulse bag dust collector of the original equipment, a left rail (19) and a right rail (19) are installed on floor slabs (18) on two sides of a floor slab open slot (18-1), and an air blower assembly (20) is installed at the bottom of a lower end of a lower sliding conveying belt (E) of the original equipment.

2. A dust capture device for use in a bagging site as claimed in claim 1, wherein: the dust catching hood is characterized in that the opening of a main dust catching hood (1) is downward, a hood front brim (1-2) is arranged in the front, the left side, the right side and the back side of the main dust catching hood are flexible vertical curtain skirts (1-1), a trapezoidal guide plate (1-3) is designed inside the main dust catching hood, a hood top ring (1-4) is designed at the top of the hood, a hanger rod welding pipe (1-5) is arranged in the center of the hood top ring, the upper end of a horn-shaped hanger rod (1-6) is fixed by surrounding the hanger rod welding pipe, and the lower end of the horn-shaped hanger rod is welded on the peripheral wall of the hood top ring (1-4).