WO2023227083A1

WO2023227083A1 - Lifting-type top-suction environmentally-friendly fume exhaust beam for zinc pot cover

Info

Publication number: WO2023227083A1
Application number: PCT/CN2023/096395
Authority: WO
Inventors: 戴海峰; 王兆明; 胡光友; 崔淑伟
Original assignee: 徐州瑞马智能技术有限公司
Priority date: 2023-02-10
Filing date: 2023-05-25
Publication date: 2023-11-30
Also published as: LU504845B1; CN116274241A

Abstract

A lifting-type top-suction environmentally-friendly fume exhaust beam for a zinc pot cover, which beam belongs to the technical field of metal material plating production line devices. The lifting-type top-suction environmentally-friendly fume exhaust beam comprises a beam body (1), wherein the beam body (1) comprises beam pipes (11); the beam pipes (11) are connected to a telescopic cloth mechanism (2) and a cloth-rolling mechanism (3); hoisting portions (4) are provided at two ends of the beam body (1); an air outlet is provided at one side of the beam body (1); air suction openings (111) are provided in an inner pipe wall of each beam pipe (11); and the air suction openings (111) are in communication with the air outlet. The beam body (1) is provided and can be lifted to a lateral upper portion of a member to be galvanized; zinc fume overflowing above a zinc pot is processed by means of the air suction openings (111); and the lifting-type top-suction environmentally-friendly fume exhaust beam is particularly suitable for zinc fume rapidly overflowing along a pipe wall of a long pipe fitting, and is convenient to use.

Description

A lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers

Technical field

The invention belongs to the technical field of metal material plating production line devices, and in particular relates to a lift-type top-suction environmentally friendly smoke exhaust beam for a zinc pot cover.

Background technique

At present, when manufacturing companies use hot-dip galvanizing production lines, they usually use cranes in the hot-dip galvanizing workshop to lift workpieces, and place the workpieces that need to be hot-dip galvanized into zinc pots for hot-dip galvanizing operations. Hot-dip galvanizing usually includes Loading, workpiece galvanizing, cooling, passivation and other process operations. During the hot-dip galvanizing process, the workpiece to be galvanized is suspended by the traveling vehicle, and the workpiece comes into contact with the zinc liquid to produce zinc smoke. Zinc smoke is very harmful to the human body. In order to deal with the zinc smoke at the work site, some hot-dip galvanizing equipment The production line will set up a zinc smoke collection port on the edge of the side of the zinc pot, and surround the outside of the zinc pot with high-temperature resistant cloth to form a barrier to prevent zinc smoke from overflowing, forming a side suction dust removal operation method. However, the inventor believes that, When hot-dipping long pipe fittings, zinc smoke will move up with the speed of the pipe wall of the long pipe fitting, especially the lumen of the long pipe fitting, which will also have a diversion effect on the high-temperature zinc smoke. Obviously, the side suction dust removal method can only The exhaust is completed by long-term suction and air convection dilution of the zinc fume, which is not suitable for exhausting smoke from long-tube workpieces. For this reason, it is necessary to design a lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers.

It should be noted that the information disclosed in the background section above is only for enhancing understanding of the context of the present disclosure and therefore may include information that does not constitute the prior art.

Contents of the invention

The inventor found through research that due to the influence of the structure of the long pipe fitting, the lumen of the long pipe fitting will have a diversion effect on the high-temperature zinc smoke, causing the zinc smoke to quickly overflow along the pipe wall of the long pipe fitting, and the side suction dust removal method cannot be used quickly. Dealing with overflowing zinc fumes.

In view of at least one of the above technical problems, the present disclosure provides a lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers. The specific technical solutions are as follows:

A lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers, including a beam body. The beam body includes a beam tube. The upper part of the beam tube is connected with a telescopic cloth mechanism. The lower part of the beam tube is connected with a cloth rolling mechanism. Both ends of the beam body are equipped with There is a hoisting part, an air outlet is provided on one side of the beam body, and several air suction outlets are provided on the inner wall of the beam tube, and the air suction outlet and the air outlet are connected.

In some embodiments of the present disclosure, the end surfaces of both ends of the beam tube are provided with flange connecting plates, the tube body of the beam tube is provided with a reinforced frame, the air outlet is equipped with an air outlet duct, and the outer end surface of the air outlet duct is also provided with a reinforced frame. There is a flange connecting plate, and the pipe wall of the air outlet pipe is provided with a deflector extending toward the inner cavity of the beam tube, and the deflector faces the air suction port.

In some embodiments of the present disclosure, the cross section of the beam tube is a quasi-right-angled trapezoid, the air suction port is provided on the hypotenuse of the quasi-right-angled trapezoid, and the reinforcing frame includes an angle iron provided at the edge of the quasi-right-angled trapezoid for support. .

In some embodiments of the present disclosure, the wall of the beam tube is made of a thin plate, the beam tube is provided with a motor fixing frame for fixing the telescopic cloth motor, and the outer wall of the beam tube is provided with a wiring channel.

In some embodiments of the present disclosure, the telescopic cloth mechanism includes two telescopic cloth reels arranged coaxially and parallel to the beam tube. The telescopic cloth reels are fixed with high-temperature resistant cloth. The high-temperature resistant cloth is wrapped around the telescopic cloth reels. The other end of the high-temperature cloth is equipped with a fabric bottom rod, and an elastic support arm is provided between the telescopic cloth reel and the fabric bottom rod. The two telescopic cloth reels are equipped with telescopic cloth motors to achieve circumferential rotation.

In some embodiments of the present disclosure, the telescopic cloth mechanism includes two telescopic frames arranged opposite each other. The telescopic frame includes two assembly seats fixed to the outer walls of the beam tubes. Telescopic cloth reels are set up inside the two assembly seats and are elastically supported. The arm is an elastic support hinged arm, and both ends of the elastic support hinge arm are hinged to the telescopic cloth reel and the fabric bottom rod respectively.

In some embodiments of the present disclosure, the telescopic cloth motor is equipped with a driving wheel, the driving wheel is linked with a driven wheel, a coupling is provided in the middle of the driven wheel, and both ends of the coupling are respectively connected to a telescopic cloth reel. ;The axle of the driving wheel is equipped with an encoder.

In some embodiments of the present disclosure, the tube wall of the beam tube is provided with several dust cleaning channels, and the dust cleaning channels are equipped with detachable closing covers.

In some embodiments of the present disclosure, the caliber of the air suction port close to the air outlet is smaller than the caliber of the air suction port far from the air outlet.

In some embodiments of the present disclosure, the lifting part is a transmission chain lifting eye, and vertical guide mechanisms are provided at both ends of the beam body.

In some embodiments of the present disclosure, the cloth rolling mechanism includes a cloth rolling motor and a cloth rolling shaft. The cloth rolling motor is linked with a cloth rolling shaft, and a plurality of bearing seats connected to the beam body are evenly distributed on the cloth rolling shaft. The bearings A belt pulley is provided on one side of the seat, and a cloth roll belt used with the belt pulley is provided on the roll cloth.

In some embodiments of the present disclosure, the cloth rolling motor is connected to the cloth rolling shaft through a reducer, and the lower part of the cloth rolling is provided with a counterweight or is detachably connected to the ground.

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

1. Through the setting of the beam body, the beam body can be raised to the side of the parts to be galvanized, and the zinc smoke overflowing above the zinc pot can be treated through the air suction port. It is especially suitable for rapid overflow along the pipe wall of long pipe fittings. Zinc smoke is easy to use and provides a new idea for the rapid discharge of zinc smoke above the zinc pot when galvanizing long pipe fittings;

2. The lifting beam design is highly flexible and controllable during use, making it easy to suspend the workpieces to be hot-dip galvanized in and out.

Description of the drawings

Figure 1 is a three-dimensional schematic diagram from a first perspective of the structure of the present invention;

Figure 2 is a partial enlarged view of part A in Figure 1;

Figure 3 is a partial enlarged view of part B in Figure 1;

Figure 4 is a three-dimensional schematic view of the beam tube in Embodiment 1 of the structure of the present invention;

Figure 5 is a partial enlarged view of part C in Figure 4;

Figure 6 is a partial cross-sectional view of the beam tube in Embodiment 1 of the structure of the present invention;

Figure 7 is a three-dimensional schematic view of the cloth rolling shaft in Embodiment 1 of the structure of the present invention;

Figure 8 is a partial enlarged view of part D in Figure 7;

Figure 9 is a schematic diagram of the elastic support arm in Embodiment 1 of the structure of the present invention;

Description of numbers in the figure: 1. Beam body; 11. Beam tube; 111. Air suction port; 112. Motor holder; 113. Wiring channel; 114. Closed cover plate; 12. Flange connecting plate; 13. Reinforced frame; 131 , angle iron; 14. Air outlet duct; 141. Deflector; 15. Vertical guide mechanism; 2. Telescopic cloth mechanism; 21. Telescopic cloth reel; 22. High temperature resistant cloth; 23. Fabric bottom rod; 24. Elasticity Support arm; 25. Telescopic cloth motor; 251. Driving wheel; 26. Assembly seat; 27. Driven wheel; 28. Encoder; 3. Cloth rolling mechanism; 31. Cloth rolling motor; 32. Cloth rolling; 321. Cloth roll Belt; 33. Cloth rolling shaft; 331. Bearing seat; 332. Back pulley; 4. Hoisting part.

Detailed ways

In order to better understand the purpose, structure and function of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are Invent some embodiments, not all embodiments.

The serial numbers assigned to components in this article are only used to distinguish the objects described and do not have any sequential or technical meaning. The "connection" mentioned in this disclosure includes both direct and indirect "connections" unless otherwise specified. In the description of this application, it should be understood that the azimuthal terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" "The orientation or positional relationship indicated by "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and a brief description, and does not indicate or imply the device or unit to which it refers. Must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation on this application.

As shown in Figures 1 to 9 of the accompanying drawings, a lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers is designed, including a beam body 1. The length of the beam body 1 is determined according to the length of the zinc pot. The beam body 1 Both ends are sealed. The beam body 1 includes a beam tube 11. The beam tube 11 has a hollow cavity. The upper part of the beam tube 11 is connected with a telescopic cloth mechanism 2. The lower part of the beam tube 11 is connected with a cloth rolling mechanism 3. Both ends of the beam body 1 are There is a lifting part 4, through which the design of the lifting beam 1 is realized. When in use, the beam 1 is highly flexible and controllable, making it convenient for the workpieces to be hot-dip galvanized to be suspended in and out. There is an air outlet on one side of the beam 1. The negative pressure system is connected through the air outlet, and the negative pressure system is connected to the bag dust collector through pipelines. The inner wall of the beam tube 11 is provided with several air suction ports 111. The air suction ports 111 and the air outlets are connected. Through the setting of the beam body 1, The beam body 1 can be raised above the side of the parts to be galvanized, and the zinc smoke overflowing above the zinc pot can be treated through the air suction port 111. It is especially suitable for zinc smoke overflowing quickly along the pipe wall of long pipe fittings. Easy to use.

In the above implementation manner, three embodiments are listed to implement the above technical solution:

Example 1

As shown in Figures 1 to 9, this embodiment discloses a lifting type top-suction environmentally friendly smoke exhaust beam for zinc pot covers, which includes a beam body 1. The length of the beam body 1 is determined according to the length of the zinc pot. The beam body 1 has two End sealing, the beam body 1 includes two connected beam tubes 11, the beam tube 11 has a hollow cavity, the upper part of the beam tube 11 is connected with a telescopic cloth mechanism 2, the lower part of the beam tube 11 is connected with a cloth rolling mechanism 3, the beam body 1. There are lifting parts 4 at both ends. Through the lifting parts 4, the design of the lifting beam body 1 is realized. When in use, the height of the beam body 1 is flexible and controllable, which is convenient for the workpieces to be hot-dip galvanized to be suspended in and out. There is a lifting part on one side of the beam body 1. The air outlet is connected to the negative pressure system through the air outlet, and the negative pressure system is connected to the bag dust collector through the pipeline. The inner wall of the beam tube 11 is provided with several air suction ports 111. The air suction port 111 and the air outlet are connected through the beam body 1 With the setting, the beam body 1 can be raised above the parts to be galvanized, and the zinc smoke overflowing above the zinc pot can be treated through the air suction port 111. It is especially suitable for zinc that quickly overflows along the pipe wall of long pipe fittings. Smoke, easy to use; the telescopic cloth mechanism 2 includes two telescopic cloth reels 21 arranged coaxially and parallel to the beam tube 11. The telescopic cloth reels 21 are fixed with high-temperature resistant cloth 22. The high-temperature resistant cloth 22 is a galvanized fireproof cloth, which is high temperature resistant. The cloth 22 is wrapped in the telescopic cloth reel 21. The other end of the high temperature resistant cloth 22 is provided with a fabric bottom rod 23. An elastic support arm 24 is provided between the telescopic cloth reel 21 and the fabric bottom rod 23. The two telescopic cloth reels 21 are configured by The telescopic cloth motor 25 realizes circumferential rotation. Through the setting of the telescopic cloth mechanism 2 and the pulling of the high-temperature resistant cloth, the telescopic cloth motor 25 rotates forward and reverse to realize the extension and retraction of the elastic support arm 24. The elastic support arm 24 When extended, the high-temperature resistant cloth 22 rolls can be stretched to cover the top of the zinc pot to reduce the overflow of zinc smoke. By adjusting the extended state of the elastic telescopic arm 24, the degree of shielding above the zinc pot can be controlled; the cloth rolling mechanism 3 includes The cloth rolling motor 31 and the cloth rolling 32 are connected. The cloth rolling motor 31 is linked with a cloth rolling shaft 33. The cloth rolling shaft 33 is evenly equipped with several bearing seats 331 connected to the beam body 1. One side of the bearing seat 331 is provided with a back pulley. 332. The cloth roll 32 is provided with a cloth roll belt 321 matched with the back pulley 332. Through the setting of the cloth roll mechanism 3, the roll cloth 32 is mainly realized to be retracted and unrolled. When the beam body 1 is lowered, the roll cloth 32 is retracted. It does not occupy the production space and is convenient for the hot-dip galvanized workpiece to be suspended in and out. When the beam body 1 rises, the roll cloth 32 can be unrolled to form a surrounding space to prevent the zinc smoke from overflowing laterally.

Among them, the end faces of both ends of the beam tube 11 are provided with flange connecting plates 12. The flange connecting plates 12 can be used to fix the end plates or connect with another beam tube 11. The tube body of the beam tube 11 is provided with a reinforcing frame 13. The reinforcing frame 13 can be angle iron or reinforced sheet metal. Here, the assembly surface of the cloth rolling mechanism 3 can be welded to the reinforcing frame 13 so that the cloth rolling motor 31 can withstand torque when rotating. The air outlet is equipped with an air outlet duct 14 The outer end surface of the air outlet duct 14 is also provided with a flange connecting plate 12. The wall of the air outlet duct 14 is provided with a deflector 141 extending toward the inner cavity of the beam tube 11. The deflector 141 faces the air suction port 111. The cross section of the beam tube 11 is a quasi-right-angled trapezoid. The quasi-right-angled trapezoid includes an approximate trapezoidal structure with a flat inclined surface, a convex arc surface, a concave arc surface, or a folded surface. The air suction port 111 is located on the hypotenuse of the quasi-right-angled trapezoid. , the air suction port is a through hole, this embodiment can be in the shape of a waist-shaped hole, the reinforcing frame 13 includes an angle iron 131 provided at the edge of a quasi-right-angled trapezoid for support; when the zinc pot is relatively long, the beam should be considered The lifting purpose of the body 1 is to reduce the weight of the beam tube 11 while ensuring the air suction volume. The tube wall of the beam tube 11 should be as much as possible based on the stress analysis software to reduce the thickness of the thin plate and use thin plates for weight reduction. The thickness is 3mm. The beam tube 11 is provided with a motor holder 112 for fixing the telescopic cloth motor 25. In this embodiment, the motor holder 112 is located above the beam tube 11. The outer wall of the beam tube 11 is provided with a wiring channel 113 for wiring. The channel 113 is a wiring tube attached to the outer wall of the beam tube 11; the telescopic cloth mechanism 2 includes two telescopic frames arranged oppositely, and the telescopic frame includes two assembly seats 26 fixed to the outer wall of the beam tube 11. Two A telescopic cloth reel 21 is set up inside the assembly seat 26, and the elastic support arm 24 is an elastic support hinge arm. The two ends of the elastic support hinge arm are respectively hinged to the telescopic cloth reel 21 and the fabric bottom rod 23; the telescopic cloth motor 25 is equipped with The driving wheel 251 is linked with a driven wheel 27. In this embodiment, the driving wheel 251 and the driven wheel 27 are sprockets, and the linkage is realized through a chain. A coupling is provided in the middle of the driven wheel 27, and the two sides of the coupling are Each end is connected to a telescopic cloth reel 21; the axle of the driving wheel 251 is equipped with an encoder 28. The forward and reverse rotation of the telescopic cloth motor 25 is positioned using the encoder 28. When the fabric bottom rod 23 extends forward to the position close to the crane hoisting wire rope The encoder 28 controls the stop movement. The end of the telescopic cloth reel 21 is a square steel structure, and the square steel is used with a coupling. Since zinc ash will accumulate in the pipe over a long period of time, zinc ash will accumulate in the pipe. Therefore, the pipe of the beam pipe 11 There are several dust cleaning channels on the wall. The dust cleaning channels protect the upper and lower holes. The diameter of the upper hole is larger than that of the lower hole. The upper hole can be used for cleaning tools and hands. The lower hole is used to discharge the accumulated dust in the tube cavity and clean the dust. The channel is equipped with a detachable closed cover 114, which is opened during cleaning and closed after cleaning is completed; the lifting part 4 is a transmission chain lifting eye, and the two ends of the beam 1 are provided with vertical guide mechanisms 15. The guide mechanism 15 is a plurality of guide wheels. In this embodiment, the wheel surfaces of the guide wheels can fit two planes to realize rolling guidance. The lifting and lowering of the beam 1 is accurately controlled through the chain. The cloth rolling motor 31 is connected to the cloth rolling shaft 33 through a reducer. , the lower part of the roll cloth 32 is provided with a counterweight, which can keep the lower part of the roll cloth 32 in a drooping state and prevent the zinc smoke from overflowing laterally.

When in use, prepare two lifting-type top-suction environmentally friendly smoke exhaust beams for zinc pot covers described in the present disclosure. The two zinc pot covers use lifting-type top-suction environmentally friendly smoke exhaust beams and place them opposite each other, so that the two zinc pot covers use The air suction ports 111 of the lift-type top-suction environmentally friendly smoke exhaust beam are all located on the inside. A support frame can be set outside the zinc pot, and a lifting motor is set on the support frame. The lifting motor is connected to the two zinc pot covers through lifting slings or chains. The lifting part 4 of the top suction environmental protection smoke exhaust beam is fixed. The lifting type top suction environmental protection smoke exhaust beam can be lifted and lowered independently through the two zinc pot covers to realize the on-demand suspension in and out of the workpiece to be galvanized. Through the two zinc pot covers Use the telescopic cloth mechanism 2 of the lifting top-suction environmentally friendly smoke exhaust beam to extend or retract to achieve relative opening and closing of the space above the zinc pot, as well as asymmetric opening or closing, and the accuracy of the suspension position of the galvanized workpiece Low requirements and strong adaptability. When the workpiece is hoisted from the loading area to the zinc pot position, the beam body 1 descends, and the cloth rolling mechanism 3 rolls up the cloth 32. The height of the beam body 1 is as low as possible, so that the workpiece to be galvanized can be The passing passage is large enough. After the workpiece passes over the beam 1, when the galvanized parts are lowered to a position close to the zinc pot liquid level, the beam 1 is raised. At the same time, the cloth rolling mechanism 3 moves, and the cloth roll 32 is unrolled. The beam 1 After rising to the required position, the telescopic cloth mechanism 2 starts to operate to cover the space above the zinc pot to the maximum extent. After that, the side suction on the side of the zinc pot and the suction on the top suction beam are turned on at the same time. The workpiece falls and starts to be galvanized, and the zinc smoke is blown away. Side suction and top suction absorb at the same time. After the workpiece is hot-dip galvanized, the top telescopic cloth mechanism 2 returns to the contracted state. The beam body 1 descends, the cloth rolling mechanism 3 winds up at the same time, the workpiece is lifted out from the top of the beam body 1, and the hot-dip galvanizing process on the zinc pot is completed.

Example 2

This embodiment discloses a lift-type top suction environmentally friendly smoke exhaust beam for zinc pot covers. The difference between this embodiment and Embodiment 1 is that the beam tube 11 is provided with a motor fixing frame 112 for fixing the telescopic cloth motor 25. The beam tube The outer tube wall of the beam tube 11 is provided with a wiring channel 113. In this embodiment, the wiring channel 113 is a wire trough provided on the outer tube wall of the beam tube 11; the telescopic cloth motor 25 is equipped with a driving wheel 251, and the driving wheel 251 is linked There is a driven wheel 27. In this embodiment, the driving wheel 251 and the driven wheel 27 are both cylindrical gears, and the linkage is achieved through external tooth meshing. A coupling is provided in the middle of the driven wheel 27, and both ends of the coupling are respectively connected with a telescopic Cloth reel 21; the axle of the driving wheel 251 is equipped with an encoder 28. The end of the telescopic cloth reel 21 is a spline structure, and the spline is used with a coupling.

Example 3

This embodiment discloses a lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers. The difference between this embodiment and Embodiment 1 is that in this embodiment, the beam body 1 has only one beam tube 11, and the suction beam near the air outlet The caliber of the air outlet 111 is smaller than the caliber of the air suction outlet 111 far away from the air outlet, so that the air suction outlet 111 far away from the air outlet can also obtain a larger suction force, and also relatively limits the suction power of the air suction outlet 111 close to the air outlet. The cloth rolling motor 31 decelerates The device is connected to the cloth rolling shaft 33, and the lower part of the cloth rolling shaft 32 is detachably connected to the ground to prevent zinc smoke from overflowing laterally.

It is understood that the present invention has been described through some embodiments. Those skilled in the art know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, the features and embodiments may be modified to adapt a particular situation and material to the teachings of the invention without departing from the spirit and scope of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the present application are within the scope of protection of the present invention.

Claims

A lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers, which is characterized in that it includes a beam body (1), and the beam body (1) includes a beam tube (11), and a telescopic cloth is connected to the upper part of the beam tube (11). Mechanism (2), a cloth rolling mechanism (3) is connected to the lower part of the beam tube (11), lifting parts (4) are provided at both ends of the beam body (1), an air outlet is provided on one side of the beam body (1), and the beam tube The inner tube wall of (11) is provided with several suction ports (111), and the suction ports (111) and the air outlets are connected through each other.
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 1, characterized in that, the end surfaces of both ends of the beam tube (11) are provided with flange connecting plates (12), and the beam tube (11) The pipe body is provided with a reinforced frame (13), and the air outlet is equipped with an air outlet duct (14). The outer end face of the air outlet duct (14) is also provided with a flange connecting plate (12). The wall is provided with a guide plate (141) extending toward the inner cavity of the beam tube (11), and the guide plate (141) faces the air suction port (111).
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 2, characterized in that the cross section of the beam tube (11) is a quasi-right-angled trapezoid, and the air suction port (111) is located in a quasi-right-angled trapezoid. The hypotenuse, strengthening frame (13) includes angle irons (131) provided at the edges of the quasi-right-angled trapezoid for support.
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 1 or 3, characterized in that the wall of the beam tube (11) is made of a thin plate, and the beam tube (11) is provided with a telescopic cloth for fixing The motor fixing frame (112) of the motor (25), and the outer tube wall of the beam tube (11) are provided with a wiring channel (113).
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 1, characterized in that the telescopic cloth mechanism (2) includes two coaxially arranged telescopic cloth reels parallel to the beam tube (11) (21), the high temperature resistant cloth (22) is fixed on the telescopic cloth reel (21), the high temperature resistant cloth (22) is rolled around the telescopic cloth reel (21), and the other end of the high temperature resistant cloth (22) is provided with a fabric bottom rod (23) ), an elastic support arm (24) is provided between the telescopic cloth reel (21) and the fabric bottom rod (23), and the two telescopic cloth reels (21) are equipped with telescopic cloth motors (25) to achieve circumferential rotation.
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 5, characterized in that the telescopic cloth mechanism (2) includes two telescopic frames arranged oppositely, and the telescopic frame includes two beam tubes ( 11) The assembly seat (26) is fixed on the outer wall. A telescopic cloth reel (21) is set up inside the two assembly seats (26). The elastic support arm (24) is an elastic support hinge arm. The two ends of the elastic support hinge arm are respectively hinged to Telescopic fabric reel (21) and fabric bottom rod (23).
The lifting type top suction environmentally friendly smoke exhaust beam for zinc pot cover according to claim 5, characterized in that the telescopic cloth motor (25) is equipped with a driving wheel (251), and the driving wheel (251) is linked with a driven wheel (27), the middle part of the driven wheel (27) is equipped with a coupling, and both ends of the coupling are respectively connected to a telescopic cloth reel (21); the axle of the driving wheel (251) is equipped with an encoder (28).
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 1, characterized in that the wall of the beam tube (11) is provided with several dust cleaning channels, and the dust cleaning channels are equipped with removable Close the cover (114).
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 1, characterized in that the diameter of the air suction port (111) close to the air outlet is smaller than the caliber of the air suction port (111) far from the air outlet.
The lifting type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 1, characterized in that the lifting part (4) is a transmission chain lifting eye, and the two ends of the beam body (1) are provided with vertical Guidance mechanism (15).
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 1, characterized in that the cloth rolling mechanism (3) includes a cloth rolling motor (31) and a cloth rolling (32), and the cloth rolling motor (32) 31) There is a cloth rolling shaft (33) in linkage. The cloth rolling shaft (33) is evenly equipped with several bearing seats (331) connected to the beam body (1). There is a back pulley (331) on one side of the bearing seat (331). 332), the cloth roll (32) is provided with a cloth roll belt (321) matched with the belt pulley (332).
The lift-type top-suction environmentally friendly smoke exhaust beam for zinc pot covers according to claim 1, characterized in that the cloth rolling motor (31) is connected to the cloth rolling shaft (33) through a reducer, and the cloth rolling (32) is provided with a lower part Counterweighted or detachably attached to the ground.