KR101972705B1 - Screen rotary type dust remover - Google Patents

Abstract

The present invention relates to a rotary screen type dust remover installed to remove foreign matters included in inflow water. According to the present invention, the rotary screen type dust remover comprises: a body including a side frame and a plurality of connection frames connecting the side frame; a driving shaft penetrating the upper part of the body to be rotated; a hydraulic motor; a driving sprocket; a driving unit; and a rake formed by extending forward a portion through which a fixing shaft of first and second screen bars is penetrated.

Description

Screen rotary type dust remover

[0001] The present invention relates to a screen rotation type vibration damper, and more particularly, to a screen rotation type vibration damper which is installed in a water channel and is capable of treating various kinds of impurities floating in water and floating, The present invention relates to a screen rotating type vibration damper which is developed to allow a user to remove a contaminant while simultaneously maintaining a maximum stability.

Water around us is a necessity for human beings to drink and various kinds of plants and animals. It is used for various purposes in various industrial fields. It is desirable to make such water to be suitably treated by various facilities before and after use. Especially, , The sewage treatment plant and the water treatment plant are subjected to chemical and biological treatment for the purification of water to remove various organic substances.

However, the inflow water flowing from the river or the sewer pipe contains foreign matter including various floats, and the foreign matter can not be solved by the chemical or biological treatment, so that it is filtered by mechanical means.

The damper can be used to remove water from the surroundings or to screen water-contaminated floors with various types of facilities such as rainwater pumping stations, drainage pumping stations, water supply, sewage treatment plants, dams and dams. Has been used to.

The structure of the rotary screen dust collector, which has been most widely used, is composed of a plurality of direct screens installed at closely spaced places on the inlet of water, and a foreign matter adhering to the screen while coming in close contact with the front surface of the screen, It is often used in a sewage treatment plant. However, a foreign matter that is not removed between bars constituting the screen and between the screen and the rake is pinched and a load is generated in the apparatus.

Therefore, it is not efficient because a high-output motor must be used due to the load generated even if the device is normally operated. If the load increases or the operation of the device is stopped, there is a problem that a person must manually remove the waterway after closing the waterway.

In addition, a screen rotating type vibration damper for allowing the screen to rotate along the path of the chain has been proposed, and a screen of various structures has been proposed. However, if the screen damages are not completely removed from the upper portion, there was.

Korea Utility Model Registration No. 20-0329796-0000 (October 01, 2003) Korean Patent Registration No. 10-1306949-0000 (September 03, 2013) Korean Patent Registration No. 10-1415953-0000 (June 30, 2014) Korean Patent Publication No. 10-2015-0020443 (February 26, 2015) Korean Patent Registration No. 10-1564882-0000 (October 26, 2015)

The object of the present invention is to provide a screen rotating type vibration damper for moving a damper to move upwardly while allowing a screen of a damper to move along a movement path of a chain without being fixed, To develop.

Another object of the present invention is to develop a screen rotation type vibration damper which can prevent a load from being concentrated due to a load caused by a rake raising damages.

The present invention also relates to a screen rotating type dust collector capable of minimizing the drop of the remaining contaminants into the water channel by raising the dust chamber while raising the dust chamber without closure of the channel for maintenance and repair, .

According to an aspect of the present invention, there is provided a screen rotation type damper installed to separate and remove contaminants contained in inflow water installed in a river or a waterway,

The lower part is in close contact with the bottom surface of the water channel and extends obliquely to the rear upper part with the same width so as to be inclined downwardly from the water surface in a downwardly bent downward direction, A body including a side frame on which a guide slit is formed to form a recessed space for forming a path connecting the rear portion and the lower portion, and a plurality of connection frames connecting the side frames on both sides of the guide slit;

A driving shaft that rotates through an upper portion of the body; A hydraulic motor directly connected to the drive shaft and fixed to the outside of the body; A drive sprocket mounted on the inner side of the side frame; A plurality of pairs of first chain links each having a flat and long plate shape and formed with through holes at both sides thereof, a pair of first chain links interposed between both sides of the pair of first chain links, A second chain link whose both ends are in close contact with the outer surface of the first chain link adjacent to both sides thereof and a link pin which penetrates and fixes the first and second chain links and the gap maintaining roller, A drive unit comprising a chain mounted on a path;

A plurality of fixing shafts fixed to the shaft fixing brackets such that both ends of the linking pins are positioned on an extension line of a link pin positioned on the same axis line, And the front upper and lower ends are forwardly projected so as to penetrate the two fixing shafts mounted on the same shaft fixing bracket, so that a plurality of first screen bars mounted in the left and right directions The upper and lower ends of the front are protruded forward so that two fixing shafts mounted on upper and lower shaft fixing brackets are passed through and are mounted between adjacent first screen bars. And a portion of the first and second screen bars through which the fixed shaft passes is extended forward And a screen configured to be composed of St. Lake features.

In addition, the body includes a first guide rib formed to be perpendicularly bent in a direction opposite to each other along a rim, a guide slit spaced at the same width as the first guide rib, 2 guide ribs;

The connecting frame is characterized in that both ends of the connecting frame are fixed to the side frames in the form of a pair of vertically arranged panels.

In addition, a mounting bar extending long in the longitudinal direction is formed at the front center of the connecting frame, and the mounting bar is provided with at least one first and second screen bars, which are made of high density polyethylene (HDPE) And a sag preventing bar which is attached to the back surface of the sag preventing bar.

In addition, the second chain links facing each other in the chain on both sides have a bending extension portion that extends in the vertical direction in a direction in which the lower end thereof faces,

The shaft fixing bracket is configured such that one side is tightly coupled to the bending extension portion by bolts and the other side is vertically bent so that the ends of the two fixing shafts pass through and are fixed by a nut.

In addition, a gap adjusting ring is mounted between the shaft fixing bracket of the fixed shaft and the first or second screen bar, the first screen bar and the second screen bar.

In addition, the first and second screen bars may have two narrower front and rear widths and relatively wide widths, and may be mounted alternately in the left-right direction.

In addition, the rake formed by extending the fixing shaft of the first and second screen bars forward can form a main rake which is elongated forward more than twice the rake at regular intervals.

A pair of upward and downward guide frames spaced forward and backward from both sides adjacent to the bent portion of the body and vertically extending and extending in parallel to each other; A guide bar extending upward and downward, a lifting cylinder whose lower end is fixed in a space between the front and rear lifting guide frames and whose rods extend upward, and a bottom surface of which is engaged with the rod top of the lifting cylinder, A rotating shaft which penetrates the lower portion of the bent portion of the body in the left and right direction and has both ends mounted on the bearings of the ascending and descending block, A roller mounting shaft protruding from an upper portion of both sides of the bent portion; Downward guide frame and the lower end thereof extends in the vertical direction so that when the rotary shaft is lowered by the ascending and descending cylinder, the rotary roller is in close contact with the lower end of the body, and the lower part of the body is positioned on the bottom surface of the water channel So that the lower part of the body rotates while the lower part of the body rotates while the upper part is extended in the vertical direction so that the body rotates as the rotation axis rises and the lower part rotates upward And a rotation guide bracket to which the rotation roller guide panel is mounted.

In addition, the vibration damper lifting device is further equipped with a vibration prevention roller mounted on a raising and lowering guide frame located at the rear and rotating in close contact with a side surface of the body.

As described above, according to the present invention, a plurality of screen bars are mounted on a fixed shaft connecting the links of the two side chains so as to extend rearward in the traveling direction of water

So that the screen of the damper can be moved along the movement path of the chain without being fixed, and the damper can be moved upward to be removed.

Another object of the present invention is to develop a screen rotation type vibration damper which can prevent a load from being concentrated due to a load caused by a rake raising damages.

The present invention also relates to a screen rotating type dust collector capable of minimizing the drop of the remaining contaminants into the water channel by raising the dust chamber while raising the dust chamber without closure of the channel for maintenance and repair, .

1 shows a state of use according to an embodiment of the present invention
FIG. 2 is a plan view
3 is a cross-sectional view illustrating a driving unit according to an embodiment of the present invention;
4 is a conceptual view illustrating the structure of a chain and a screen according to an embodiment of the present invention.
5 is a conceptual diagram illustrating the shapes of first and second screen bars according to an embodiment of the present invention.
FIG. 6 is a conceptual view illustrating a state where the first and second screen bars are separated from the contaminants according to an embodiment of the present invention. FIG.
FIG. 7 is a conceptual diagram comparing a state in which a contaminant is lifted according to an embodiment of the present invention
8 is a conceptual diagram comparing movements of a screen bar in a sprocket according to an embodiment of the present invention.
9 is a cross-sectional view of a flat section according to another embodiment of the present invention
FIG. 10 is a view showing a state of use of the vibration damper according to another embodiment of the present invention,
11 is a side view showing a damper lifting device according to another embodiment of the present invention
FIG. 12 is a plan view showing a portion of the vibration damper lifting device according to another embodiment of the present invention,
13 is a cross-sectional view showing a portion where a roller mounting shaft of a vibration damper lifting device according to another embodiment of the present invention is mounted,

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a cross-sectional view illustrating a driving unit according to an embodiment of the present invention. FIG. 4 is a cross-sectional view illustrating a driving unit according to an embodiment of the present invention. FIG. 1 is a conceptual view illustrating a structure of a chain and a screen according to an embodiment of the present invention. FIG. 2 is a schematic view illustrating a structure of a chain and a screen according to an embodiment of the present invention.

The lower part is in close contact with the bottom surface of the water channel and extends obliquely to the rear upper part with the same width so as to be inclined downwardly from the water surface in a downwardly downward direction, A side frame 11 on which a guide slit 111 forming a recessed space is formed so as to form a path connecting the rear side and the lower side and a plurality of links A body (1) composed of a frame (12);

A driving shaft 21 rotating through the upper portion of the body 1; A hydraulic motor 22 directly connected to the drive shaft 21 and fixed to the outside of the body 1; A driving sprocket 23 mounted on the inside of the side frame 11; A plurality of pairs of first chain links 241 having a flat and long plate shape and having holes formed on both sides thereof, and a pair of second chain links 241 inserted between both sides of the pair of first chain links 241, A second chain link 243 which is in close contact with the outer surface of the first chain link 241 whose both ends are on both sides and which is in contact with the first chain link 141 And a chain 24 mounted on the path of the closed curve by the drive sprocket 23 and the guide slin 111. The drive unit 2 includes a drive shaft 23 and a link pin 244 for passing through the gap maintaining roller 242, Wow;

A plurality of shaft fixing brackets 31 mounted on the second chain links 243 facing each other of the both side chains 24 and a plurality of shaft fixing brackets 31 mounted on the second chain links 243 so as to be positioned on the extension line of the link pins 244, A plurality of fixing shafts 32 fixed to the fixing bracket 31 and a vertically extending plate in which a plane is formed in the left and right direction and the upper and lower ends of the front are protruded forward and fixed to the same shaft fixing bracket 31 A plurality of first screen bars 33 to be mounted so as to penetrate the two fixing shafts 32 to be mounted thereon and a vertically extending plate having a flat surface formed in the left and right direction and the front upper and lower ends are projected forward A plurality of second screen bars 34 for allowing the two fixing shafts 32 mounted on upper and lower shaft fixing brackets 31 to pass through and to be mounted between adjacent first screen bars 33, 1 and 2 screen bars 33 and 34 Exhibited a screen rotatable jejingi characterized in that consists of a screen (3) consisting of, (see FIG. 5 FIG. 7 35) is a part jeongchuk 32 a through rake that is formed by extending forward.

The present invention is not limited to the case where the screen 3 is fixed but is moved upwardly in conjunction with the chain 24 of the drive unit 2 and particularly the drive sprocket 23 and the gear 24 of the chain 24 in the lower reversing path of the body 1. [ 243 and the first and second chain links 241, 243 are disposed on the same axis line as the link pin 244 so as to be bent corresponding to the bending motion of the first and second chain links 241, The first and second screen bars 33 and 34 having the same length as the first and second screen bars 33 and 34 are disposed.

By this screen 3, the contaminants of a certain size or more can not pass through and are lifted and removed along the rake 35 (see FIG. 5, FIG. 7).

In the present invention, the body 1 includes a first guide rib 112 formed to be perpendicularly bent in a direction opposite to each other along a rim, a first guide rib 112 spaced apart from the first guide rib 112 by a width, And a second guide rib (113) forming a guide slit (111) which is a path through which the first guide rib (24) is inserted and moved;

The connection frame 12 has a pair of front and rear vertically arranged panels, and both ends of the connection frame 12 are fixed to the side frame 11.

This embodiment guides the path of the chain 24 and prevents the escape of the chain 24. The chain 24 and the second guide rib 113, to which the load of the screen 3 is applied, It is preferable that one side bent and folded in a shape of a letter is fixed to the side frame 11 so as to be firmly fixed.

At this time, the gap maintaining roller 242 of the chain 24 is in close contact with the second guide ribs 113 and is rotated or slid to reduce the frictional force by reducing the contact area. As shown in the figure, It is preferable to form a tight contact portion to be expanded and contracted and to form a close contact portion at the opposite end to the adjacent gap maintaining roller 242. [

The second chain link 243 facing the chain 24 on both sides of the chain 24 and the screen 3 has a bent extension part 241 extending vertically in the direction opposite to the lower end 245);

One end of the shaft fixing bracket 31 is tightly coupled with the bending extension 245 by bolts and the other side is vertically bent so that the ends of the two fixing shafts 32 are passed through and then fixed by a nut The present invention has been made in view of the above problems.

In other words, the chain 24 of the present invention has a structure that is different from a chain in which general sizes and shapes are common, and in particular, in the case of the second chain link 243, the shape of 'b' And is fixed to the shaft fixing bracket 31 by a bolt and a nut after the face and the face are closely attached to each other.

The first and second screen bars 33 and 34 and the first and second screen bars 33 and 34 of the fixing shaft 32 are provided with a gap adjusting ring The spacing ring 321 can be manufactured by adjusting the spacing between the scraping panels when the scraping panel 321 is manufactured.

FIG. 5 is a conceptual view illustrating shapes of first and second screen bars according to an embodiment of the present invention, FIG. 6 is a view illustrating a state in which the first and second screen bars are clogged with a screen bar according to an embodiment of the present invention FIG. 7 is a conceptual view comparing a state where the obstacles are lifted according to an embodiment of the present invention, FIG. 8 is a conceptual diagram comparing movements of a screen bar in a sprocket according to an embodiment of the present invention, The first and second screen bars (33, 34) are alternately arranged in the left and right direction with two narrow and relatively wide front and rear widths.

A rake 35 formed by extending a portion of the first and second screen bars 33 and 34 through which the fixed shaft 32 penetrates extends forward at a predetermined interval twice or more than the rake 35 The main rake 36 is formed.

In the embodiment, the first and second screen bars 33 and 34 have two narrower front and rear widths and relatively wide widths, and are alternately installed in the left and right direction. In the case of a large size contaminant 100 among the obstacles 100 which are not filtered by the screen 3, they are caught between the adjacent first or second screen bars 33 and 34, However, as in the present invention, the width of the first and second screen bars 33 and 34 may be varied to reduce the portion where the obstacle 100 is caught.

7, the rake 35 and the main rake 36 are provided. As shown in the right side of the drawing, when the rake interval is wide, a load is generated in the apparatus and a large and small obstacle 100 is overflowing The main rake 35 may be lifted by the main rake 35 and the large raked object 100 may be lifted by the main rake 36 to prevent the load from being applied to the apparatus, Is improved.

In this embodiment, the connection between the first and second screen bars 33 and 34 and the fixed shaft 32 is formed in the rake 36 protruding forward. As shown in FIG. 8, The screen bar may be extended from the drive sprocket 23 and the obstacle 100 may fall into the gap of the drive sprocket 23. However, in the present embodiment, on the contrary, the screen bar may extend rearward of the chain 24, The first and second screen bars 33 and 34 are curved in the curved path so that the contaminant 100 can be removed more effectively.

9 is a plan view according to another embodiment of the present invention in which a mounting bar 121 extending in the longitudinal direction is formed at the front center of the connecting frame 12 and a high density polyethylene and a sag preventing bar 122 made of high density polyethylene (HDPE), which is in contact with the rear surface of one or more first and second screen bars 33 and 34, .

In this embodiment, as the width of the screen 3 is wider, there is a high possibility that the fixing shaft 32 having a comparatively small rod shape is deformed. In order to prevent deformation of the fixing shaft 32, .

At this time, the material of the anti-sagging bar 122 is high-density polyethylene, and it has excellent strength and excellent durability because it has little noise and abrasion due to friction like metal.

FIG. 10 is a view illustrating a state in which a vibration damper according to another embodiment of the present invention is lifted, FIG. 11 is a side view showing a damper lifting device according to another embodiment of the present invention, 13 is a plan sectional view of a portion of the elevator apparatus for a damper according to another embodiment of the present invention in which a roller mounting shaft is mounted, A pair of up-and-down guide frames 41 extending vertically and extending parallel to each other and spaced back and forth on both sides adjacent to the folded portions of the front and rear elevating and lowering guide frames 41, A guide bar 42 protruding from the viewing surface and extending upward and downward and a lower end fixed in the space between the front and rear elevating and lowering guide frames 41, And a bearing 442 penetrating through the guide groove 441 in the left and right direction to engage with the upper end of the rod of the ascending and descending cylinder 43, And has an ascending / descending block 44 mounted thereon.

The ascending and descending block 44 passes through the lower portion of the bent portion of the body 1 in the right and left direction and the both ends of the ascending and descending block 44 are rotated by the rotating shaft 45 mounted on the bearing 442 of the ascending / And the damper is moved up and down by the lifting and lowering cylinder 43.

A roller mounting shaft 46 protruding from an upper portion of both sides of the bent portion of the body 1, a rotary roller 47 rotating through the roller mounting shaft 46, And the lower end thereof extends in the vertical direction so that when the rotary shaft 45 is lowered by the ascending and descending cylinder 43, the rotary roller 47 is brought into close contact with the lower end of the body 1, So that the lower end of the body 1 can be rotated while the rotary roller 47 is moved along the inclined surface while the rotary shaft 45 is lifted, and the upper portion is extended in the vertical direction, Due to the structure of the rotation guide bracket 48 to which the rotation roller guide panel 481 for rotating the main body 1 and the lower end of the rotation guide guide panel 481 is mounted in accordance with the ascending movement of the main body 45, A to be exposed to the upper portion.

In order to maintain the damper lifter 4, the damper elevator 4 can lift the damper simply by closing the waterway without removing the water, thereby allowing the maintenance work to proceed on the water surface.

At this time, the load of the vibration damper rotates due to a considerable load, and the vibration is generated while it rises. In this embodiment, the anti-shake roller 49 mounted on the up / down guide frame 41 located at the rear and rotating in close contact with the side surface of the body 1, So that the flow in the lateral direction can be suppressed.

1: Body
11: Side frame
111: guide slit 112: first guide rib
113: second guide rib
12: Connection frame
121: mounting bar 122: anti-sag bar
2:
21:
22: Hydraulic motor
23: Driving sprocket
24: Chain
241: first chain link 242: gap keeping roller
243: second chain link 244: link pin
245: Bending extension
3: Screen
31: Shaft fixing bracket
32: Fixed axis
321: Spacing ring
33: first screen bar 34: second screen bar
35: Lake 36: Main Lake
4: Damper lifting device
41: ascending / descending guide frame 42: guide bar
43: Up and down cylinder
44: ascending / descending block
441: Guide groove 442: Bearing
45: rotating shaft 46: roller mounting shaft
47: rotation roller
48: Rotation guide bracket
481: Rotary roller guide panel
49: Anti-shake roller
100: Contamination

Claims (9)

1. A screen rotation type vibration damper installed in a river or a waterway for separating and removing contaminants contained in inflow water flowing in the inflow channel;
The lower part is in close contact with the bottom surface of the water channel and extends obliquely to the rear upper part with the same width so as to be inclined downwardly from the water surface in a downwardly bent downward direction, A side frame 11 on which a guide slit 111 forming a recessed space is formed so as to form a path connecting the rear side and the lower side and a plurality of links A body (1) composed of a frame (12);
A driving shaft 21 rotating through the upper portion of the body 1; A hydraulic motor 22 directly connected to the drive shaft 21 and fixed to the outside of the body 1; A driving sprocket 23 mounted on the inside of the side frame 11; A plurality of pairs of first chain links 241 having a flat and long plate shape and having holes formed on both sides thereof, and a pair of second chain links 241 inserted between both sides of the pair of first chain links 241, A second chain link 243 which is in close contact with the outer surface of the first chain link 241 whose both ends are on both sides and which is in contact with the first chain link 141 And a chain 24 mounted on the path of the closed curve by the drive sprocket 23 and the guide slin 111. The drive unit 2 includes a drive shaft 23 and a link pin 244 for passing through the gap maintaining roller 242, Wow;
A plurality of shaft fixing brackets 31 mounted on the second chain links 243 facing each other of the both side chains 24 and a plurality of shaft fixing brackets 31 mounted on the second chain links 243 so as to be positioned on the extension line of the link pins 244, A plurality of fixing shafts 32 fixed to the fixing bracket 31 and a vertically extending plate in which a plane is formed in the left and right direction and the upper and lower ends of the front are protruded forward and fixed to the same shaft fixing bracket 31 A plurality of first screen bars 33 to be mounted so as to penetrate the two fixing shafts 32 to be mounted thereon and a vertically extending plate having a flat surface formed in the left and right direction and the front upper and lower ends are projected forward A plurality of second screen bars 34 for allowing the two fixing shafts 32 mounted on upper and lower shaft fixing brackets 31 to pass through and to be mounted between adjacent first screen bars 33, 1 and 2 screen bars 33 and 34 Consists of a screen (3) consisting of a rake 35, which is part of a jeongchuk 32 is formed extending through the front,
The second chain link 243 facing the chain 24 on both sides has a bending extension 245 extending in a vertical direction in a direction in which the lower end thereof faces,
One end of the shaft fixing bracket 31 is tightly coupled with the bending extension 245 by bolts and the other side is vertically bent so that the ends of the two fixing shafts 32 are passed through and then fixed by a nut Screen rotating type vibration damper characterized by.
The method according to claim 1,
The body 1 includes a first guide rib 112 formed to be vertically bent in a direction opposite to each other along a rim, a second guide rib 112 spaced by the same width as the first guide rib 112, And a second guide rib (113) forming a guide slit (111), which is a path along which the guide slit (111) is moved;
Wherein the connection frame (12) is fixed to the side frame (11) at both ends in the form of a pair of vertically arranged panels.
3. The method of claim 2,
A mounting bar 121 is formed at the center of the front of the connection frame 12 in the longitudinal direction. The mounting bar 121 is made of high density polyethylene (HDPE) Wherein a sag prevention bar (122) is mounted so as to be in close contact with a rear surface of the first and second screen bars (33, 34).
delete The method according to claim 1,
A gap adjusting ring 321 is provided between the shaft fixing bracket 31 of the fixed shaft 32 and the first or second screen bars 33 and 34 and between the first screen bar 33 and the second screen bar 34. [ ) Is mounted on the outer peripheral surface of the screen rotating type vibration damper.
The method according to claim 1,
Wherein the first and second screen bars (33, 34) have two narrow widths and a relatively wide width, and are alternately mounted in the left-right direction.
The method according to claim 1,
A rake 35 formed by extending a portion of the first and second screen bars 33 and 34 through which the fixed shaft 32 penetrates extends forward at a predetermined interval twice or more than the rake 35 Wherein the main rake (36) is formed on the main rake surface.
The method according to any one of claims 1 to 3 and 5 to 7,
A pair of up-and-down guide frames 41 extending vertically and parallel to each other and spaced apart from each other on both sides adjacent to the bent portion of the body 1, A guide bar 42 protruding from a mutually facing surface and extending upward and downward, a lifting cylinder 43 fixed to the lower end of the space between the front and rear elevating and lowering guide frames 41 and extending up to the rod, A guide groove 441 which is engaged with the upper end of the rod of the ascending and descending cylinder 43 and on the front and rear surfaces of which the guide bar 42 is inserted and an up and down block 44 on which bearings 442 are mounted, A rotating shaft 45 penetrating the lower portion of the bent portion of the body 1 in the left and right direction and having both ends mounted on the bearing 442 of the ascending / descending block 44; And a roller mounting shaft 46 protruding from the upper portion of the shaft- A rotary roller 47 rotatable through the roller mounting shaft 46 and a lower roller mounted on a rear surface of a raising and lowering guide frame 41 located at the rear and a lower end extending in a vertical direction, The lower end of the body 1 is located on the bottom surface of the water channel and extends rearward so as to be inclined upward so that the rotary shaft 45 is moved upward while the rotary roller 47 is moved 47 are moved along the inclined surface so that the lower end of the body 1 is rotated while being lifted and the upper part is extended in the vertical direction so that the body 1 rotates as the rotation shaft 45 rises, Further comprising a vibration damper lifting device (4) comprising a rotation guide bracket (48) on which a roller guide panel (481) is mounted.
9. The method of claim 8,
The screen rotation type dust collector (4) is further provided with an anti-shake roller (49) which is mounted on a raising and lowering guide frame (41) located at the rear side and is closely contacted with the side surface of the body (1) .

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