CN220461685U - Rotary trapping device - Google Patents
Rotary trapping device Download PDFInfo
- Publication number
- CN220461685U CN220461685U CN202321333965.3U CN202321333965U CN220461685U CN 220461685 U CN220461685 U CN 220461685U CN 202321333965 U CN202321333965 U CN 202321333965U CN 220461685 U CN220461685 U CN 220461685U
- Authority
- CN
- China
- Prior art keywords
- rotating frame
- cover
- trapping
- connecting block
- trapping cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 239000000428 dust Substances 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 10
- 230000000391 smoking effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 240000005002 Erythronium dens canis Species 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Ventilation (AREA)
Abstract
The utility model discloses a rotary trapping device which is communicated with a ventilation flue, wherein an exhaust fan is arranged on the ventilation flue and comprises a first rotating frame, and a second rotating frame and a third rotating frame are sleeved outside the first rotating frame in sequence; the heights of the first rotating frame, the second rotating frame and the third rotating frame are sequentially reduced, the bottoms of the first rotating frame, the second rotating frame and the third rotating frame are hinged with mounting seats, and the top ends of the first rotating frame, the second rotating frame and the third rotating frame are sleeved with rotating bearings; the other side of the rotary bearing is connected with a speed reducing motor; a first trapping cover, a second trapping cover and a third trapping cover are arranged on the rotary bearing from high to low in sequence through a connecting rod, and the first trapping cover is larger than the second trapping cover and larger than the third trapping cover; the first trapping cover, the second trapping cover and the third trapping cover are respectively provided with a limiting connecting block; the top of first revolving rack is provided with the ventilation cap, and the ventilation cap communicates with first entrapment cover. The utility model has the advantages of simple structure, low maintenance cost and small occupied area.
Description
Technical Field
The utility model relates to the technical field of steel production, in particular to a rotary trapping device.
Background
At present, the dust removal mode of main adoption of the domestic flue gas that produces when producing steel is fixed suction hood for work piece top or side-mounting, and fixed suction hood passes through the dust extraction pipeline and connects the dust remover, and the negative pressure that dust removal host computer produced makes the top suction hood produce the suction to the smoke and dust, and the smoke and dust enters into the dust removal host computer through the dust extraction pipe, is filtered in the dust removal host computer, reaches air purification effect.
The dust removal is carried out by adopting a trapping device, and the existing trapping device is a movable and semi-movable trapping cover. At present, the in-line trapping device is characterized by full sealing as much as possible, large occupied area and inconvenient equipment operation and maintenance.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a rotary trapping device so as to solve the problem of large occupation of the trapping device.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
The rotary trapping device is communicated with a ventilation flue, and an exhaust fan is arranged on the ventilation flue, and comprises a first rotating frame which is cylindrical, an inner cavity of the first rotating frame is communicated with the ventilation flue, and is vertically arranged, and a second rotating frame and a third rotating frame are sequentially sleeved outside the first rotating frame; the heights of the first rotating frame, the second rotating frame and the third rotating frame become lower in sequence, the bottoms of the first rotating frame, the second rotating frame and the third rotating frame are hinged with mounting seats, and the top ends of the first rotating frame, the second rotating frame and the third rotating frame are sleeved with rotating bearings; the other side of the rotary bearing is connected with a speed reducing motor for providing power; the rotary bearing from high to low is provided with a first trapping cover, a second trapping cover and a third trapping cover which are in a sector shape, can be coaxially sleeved together and are used for trapping smoke through a connecting rod in sequence, and the first trapping cover is larger than the second trapping cover and is larger than the third trapping cover; limiting connecting blocks are arranged on the first trapping cover, the second trapping cover and the third trapping cover so as to limit the three trapping covers after being unfolded and ensure that dust is not leaked at the joint; the top of first revolving rack is provided with the ventilation cap, and ventilation cap and first entrapment cover intercommunication are in order to introduce the flue gas ventilation flue.
Further optimizing technical scheme, first entrapment cover sets up the cover body that supplies the open-type sector of second entrapment cover through the opening for the bottom face setting smoking mouth, right side terminal surface, and is provided with round first connecting block on the inner wall at opening edge.
According to the further optimized technical scheme, the second trapping cover is a cover body of an open sector with a smoking port arranged at the bottom end surface and openings on the left and right side surfaces; the outer wall of the left side opening edge is provided with a second connecting block meshed with the first connecting block to form a sealed whole, and the inner wall of the right side opening edge is provided with a circle of first connecting blocks.
According to the further optimized technical scheme, the third trapping cover is a cover body of an open sector with a smoking port arranged at the bottom end surface and an opening arranged at the left side surface; the outer wall of the left side surface opening edge is provided with a second connecting block which is meshed with the first connecting block on the second collecting cover to form a sealed whole.
Further optimizing technical scheme, first connecting block is including setting up the connecting plate on the terminal surface perpendicularly, is provided with two conical dogteeth and the right angle dogtooth that lateral wall and terminal surface are connected on the connecting plate.
Further optimizing technical scheme, the second connecting block is different with first connecting block in that be provided with the sealed pad that is used for increasing sealed effect on the connecting plate of second connecting block, and the setting direction of second connecting block is opposite from top to bottom with first connecting block.
By adopting the technical scheme, the utility model has the following technical progress.
According to the rotary trapping device, the trapping cover is divided into the three foldable cover bodies which are sleeved together and can be unfolded, so that the occupied area is small, dust removing points can be covered, and a traditional high-low track beam column mode is replaced. The utility model has the advantages of simple structure, low maintenance cost and small occupied area.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
fig. 3 is a schematic structural diagram of a first connection block and a second connection block in the present utility model.
Wherein: 1. the air flue, 21, the first revolving frame, 22, the second revolving frame, 23, the third revolving frame, 3, a revolving bearing, 4, a gear motor, 51, a first trapping cover, 52, a second trapping cover, 53, a third trapping cover, 61, a first connecting block, 611, a connecting plate, 612, conical convex teeth, 613, right-angle convex teeth, 62, a second connecting block, 621, a sealing gasket, 7 and an air cap.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific embodiments.
The rotary trapping device is communicated with a ventilation flue 1, and an exhaust fan is arranged on the ventilation flue 1, and is shown in combination with fig. 1 to 3, and comprises the ventilation flue 1, a first rotating frame 21, a second rotating frame 22, a third rotating frame 23, a rotary bearing 3, a speed reducing motor 4, a first trapping cover 51, a second trapping cover 52, a third trapping cover 53, a first connecting block 61, a second connecting block 62 and a ventilation cap 7. The first connection block 61 includes a connection plate 611, conical teeth 612, right angle teeth 613, and the second connection block 62 includes a gasket 621.
The first rotating frame 21 is cylindrical and vertically arranged, the inner cavity of the first rotating frame 21 is communicated with the ventilation flue 1, and the second rotating frame 22 and the third rotating frame 23 are sequentially sleeved outside the first rotating frame 21. The heights of the first rotating frame 21, the second rotating frame 22 and the third rotating frame 23 become lower in sequence, the bottoms of the first rotating frame 21, the second rotating frame 22 and the third rotating frame 23 are hinged with mounting seats, and the top ends of the first rotating frame 21, the second rotating frame 22 and the third rotating frame 23 are sleeved with rotating bearings 3.
The other side of the swivel bearing 3 is connected with a gear motor 4 for providing power. The rotary bearing 3 from high to low is provided with a first trapping cover 51, a second trapping cover 52 and a third trapping cover 53 which are in a sector shape and can be coaxially sleeved together sequentially through a connecting rod, and the first trapping cover 51, the second trapping cover 52 and the third trapping cover 53 are horizontally arranged and are used for trapping smoke. The first trapping cover 51 is larger than the second trapping cover 52 and the third trapping cover 53 so as to be sequentially fitted together when smoke is not sucked.
The first trapping cover 51, the second trapping cover 52 and the third trapping cover 53 are all provided with limiting connecting blocks so as to limit the three trapping covers after being unfolded and ensure that dust is not leaked at the joint after being unfolded.
The first trapping cover 51 is a cover body of an open sector with a smoking mouth provided at the bottom end surface, an opening through which the second trapping cover 52 passes is provided at the right end surface of the first trapping cover 51, and a ring of first connecting blocks 61 is provided on the inner wall at the edge of the opening. The top of the first turret 21 is provided with a ventilation cap 7, the ventilation cap 7 being in communication with the first trapping mask 51 for introducing the flue gases into the ventilation flue 1.
The first connecting block 61 includes a connecting plate 611 vertically disposed on the end surface, and two conical teeth 612 and right-angle teeth 613 whose side walls are connected to the end surface are disposed on the connecting plate 611.
The second collecting hood 52 is a hood body having a smoke suction port provided at a bottom end surface thereof and an open sector having openings on left and right side surfaces thereof. A second connecting block 62 engaged with the first connecting block 61 to form a sealed whole is provided on the outer wall of the left side opening edge. The second connection block is different from the first connection block in that a sealing pad 621 for increasing sealing effect is provided on the connection plate 611 of the second connection block, and the setting direction of the second connection block is opposite to the first connection block up and down. A circle of first connection blocks 61 are provided on the inner wall of the right side opening edge so as to be spliced with the third capturing cover 53.
The third trapping cover 53 is a cover body of an open sector with a smoking opening at the bottom surface and an opening at the left surface; the first connecting block 61 provided on the second capturing cover 52 on the outer wall of the left side opening edge engages with the second connecting block 62 forming a sealed whole.
In actual use, the three gear motors 4 respectively drive the first collecting cover 51, the second collecting cover 52 and the third collecting cover 53 to rotate, and the three collecting covers are unfolded and serve as top suction ports to open the exhaust fan arranged on the ventilation flue 1. After the smoke enters the cover body from the smoke suction opening, the smoke flows into the first trapping cover 51, then enters the first rotating frame 21 through the ventilation cap 7, and enters the ventilation flue 1 along the first rotating frame 21. When not in use, the gear motor 4 drives the first trapping cover 51, the second trapping cover 52 and the third trapping cover 53 to shrink, so that the occupied area is small.
Claims (6)
1. The utility model provides a rotatory entrapment device, communicates with ventilation flue (1), sets up air exhauster, its characterized in that on ventilation flue (1): the device comprises a first rotating frame (21) which is cylindrical, the inner cavity of the first rotating frame is communicated with a ventilation flue (1), and the first rotating frame (21) is sleeved with a second rotating frame (22) and a third rotating frame (23) in sequence; the heights of the first rotating frame (21), the second rotating frame (22) and the third rotating frame (23) are sequentially reduced, the bottoms of the first rotating frame (21), the second rotating frame (22) and the third rotating frame (23) are hinged with mounting seats, and the top ends of the first rotating frame (21), the second rotating frame (22) and the third rotating frame (23) are sleeved with rotating bearings (3); the other side of the rotary bearing (3) is connected with a speed reduction motor (4) for providing power; a first trapping cover (51), a second trapping cover (52) and a third trapping cover (53) which are arranged on the rotary bearing (3) from high to low in sequence through a connecting rod, are in a sector shape, can be coaxially sleeved together and are used for trapping the flue gas, and the first trapping cover (51) is larger than the second trapping cover (52) and is larger than the third trapping cover (53); limiting connecting blocks are arranged on the first collecting cover (51), the second collecting cover (52) and the third collecting cover (53) so as to limit the three collecting covers after being unfolded and ensure that dust is not leaked at the joint; the top of the first rotating frame (21) is provided with a ventilation cap (7), and the ventilation cap (7) is communicated with the first trapping cover (51) to introduce smoke into the ventilation flue (1).
2. A spin-on device as claimed in claim 1, wherein: the first trapping cover (51) is provided with a smoking opening for the bottom end face, the right side end face is provided with a cover body of an open sector through which the second trapping cover (52) passes, and the inner wall of the edge of the opening is provided with a circle of first connecting blocks (61).
3. A spin-on device as claimed in claim 2, wherein: the second trapping cover (52) is a cover body of an open sector with a smoking port arranged at the bottom end surface and an opening at the left and right side surfaces; the outer wall of the left side opening edge is provided with a second connecting block (62) which is meshed with the first connecting block (61) to form a sealed whole, and the inner wall of the right side opening edge is provided with a circle of first connecting blocks (61).
4. A spin-on device as claimed in claim 3, wherein: the third trapping cover (53) is a cover body of an open sector with a smoking port arranged at the bottom surface and an opening arranged at the left side surface; a second connecting block (62) meshed with the first connecting block (61) on the second collecting cover (52) to form a sealed whole is arranged on the outer wall of the left side surface opening edge.
5. A spin-on device as claimed in claim 4, wherein: the first connecting block (61) comprises a connecting plate vertically arranged on the end face, and two conical convex teeth (612) and right-angle convex teeth (613) with side walls connected with the end face are arranged on the connecting plate (611).
6. A spin-on device as claimed in claim 5, wherein: the second connecting block is different from the first connecting block in that a sealing gasket (621) for improving the sealing effect is arranged on a connecting plate (611) of the second connecting block, and the arrangement direction of the second connecting block is opposite to that of the first connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321333965.3U CN220461685U (en) | 2023-05-30 | 2023-05-30 | Rotary trapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321333965.3U CN220461685U (en) | 2023-05-30 | 2023-05-30 | Rotary trapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220461685U true CN220461685U (en) | 2024-02-09 |
Family
ID=89803876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321333965.3U Active CN220461685U (en) | 2023-05-30 | 2023-05-30 | Rotary trapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220461685U (en) |
-
2023
- 2023-05-30 CN CN202321333965.3U patent/CN220461685U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |