CN209990536U - Compact DPF end face extraction type dismounting device - Google Patents
Compact DPF end face extraction type dismounting device Download PDFInfo
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- CN209990536U CN209990536U CN201920831591.5U CN201920831591U CN209990536U CN 209990536 U CN209990536 U CN 209990536U CN 201920831591 U CN201920831591 U CN 201920831591U CN 209990536 U CN209990536 U CN 209990536U
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Abstract
The utility model relates to a compact DPF end face extraction type dismounting device, which comprises an inner component, an outer cylinder component and a dismounting cover plate component; the inner assembly comprises a DPF carrier, an inner cylinder body, an inner sealing flange, a pressing flange and a drawing handle; wrapping a layer of liner outside the DPF carrier, pressing the DPF carrier wrapped with the liner into an inner cylinder body through a press for assembly, wherein an inner sealing flange is arranged at the necking part of the inner cylinder body, a compression flange is assembled and welded at the end part of the inner cylinder body, and a drawing handle is arranged at the end part of the assembled inner cylinder body; the outer cylinder assembly comprises an outer cylinder, an outer sealing flange, an end cover, a cover plate, a flanging plate and a base. This dismounting device makes DPF adopt the side to take out the formula structure, is fit for the installation and the compact structure of U type and box aftertreatment system, need not increase the length of former barrel basically.
Description
Technical Field
The utility model belongs to the technical field of the diesel engine tail gas aftertreatment technique and specifically relates to a compact DPF terminal surface pull-out type dismounting device.
Background
With the gradual implementation of the Europe six stage of the national diesel vehicle tail gas pollutant emission standard, the control of the soot in the tail gas is more and more strict. The prior art is realized by DPF (particulate trap). Soot particles are retained within the pore structure inside the DPF carrier as they pass through the carrier. Over time, the more soot particles accumulate, which requires the DPF to be removed for ash removal.
For this reason, the problem of disassembling the DPF carrier assembly needs to be considered when designing the exhaust gas after-treatment device. The traditional mode is to add V-shaped hoops or flanges in front of and behind the DPF, but in some U-shaped after-treatment and box-type after-treatment systems, the disassembly of the method is not very reasonable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compact DPF terminal surface pull-out type dismounting device, the device can take the DPF carrier out from the terminal surface, compact structure simultaneously.
For realizing the utility model discloses the following technical scheme who takes:
a compact DPF end face extraction type dismounting device is characterized in that,
comprises an inner component, an outer cylinder component and a detachable cover plate component;
the inner assembly comprises a DPF carrier, an inner cylinder body, an inner sealing flange, a pressing flange and a drawing handle;
the DPF carrier is wrapped with a layer of liner, the DPF carrier wrapped with the liner is pressed into the inner cylinder body through a press for assembly, an inner sealing flange is arranged at the necking position of the inner cylinder body, a pressing flange is assembled and welded at the end part of the inner cylinder body, and a drawing handle is arranged at the end part of the assembled inner cylinder body;
the outer cylinder assembly comprises an outer cylinder, an outer sealing flange, an end cover, a cover plate, a flanging plate and a base;
the outer sealing flange is arranged at the necking part of the outer cylinder body, the end cover, the cover plate and the flanging plate are sequentially arranged at the outer end of the outer cylinder body, and the base is fixed on the assembled outer cylinder body;
the detachable cover plate assembly comprises a handle and a detachable plate;
the outer end of dismantling the board setting at outer barrel subassembly, the handle assembly is in the relevant position of dismantling the board.
Furthermore, a groove is arranged on the outer sealing flange, and a sealing gasket is assembled in the groove.
Furthermore, be provided with a plurality of pits on the outer barrel, the barrel subassembly in the pit is used for supporting, and clamp bolt assembles in the base, and clamp bolt has the bolt conical surface, and clamp flange has the flange conical surface, and along with clamp bolt is moving towards the barrel is inside when the assembly, the bolt conical surface sticiss the flange conical surface, realizes that the barrel subassembly firmly presses on the gasket in.
Furthermore, the detachable cover plate assembly is fixed on the outer barrel assembly through the hoop.
Compared with the prior art, the utility model has the advantages of it is following:
1. the DPF taking-out mode is changed into a side-taking-out structure, and the device is suitable for installation of U-shaped and box-type aftertreatment systems.
2. The structure is compact, and the length of the original cylinder body is not required to be increased basically.
3. The front end of the DPF is reliable in sealing and convenient to disassemble.
4. The structure adopts the mode of DPF front sealing and DPF rear pressing for sealing.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a sectional view of the internal structure of the present invention.
Fig. 3 is a schematic view of the air flow direction of the present invention.
Fig. 4 is a schematic view of the appearance structure of the present invention.
Fig. 5 is a schematic diagram of the structure of the DPF outer cylinder of the present invention.
Fig. 6 is a schematic view of the pressing flange of the present invention.
Fig. 7 is a schematic view of the hold-down bolt of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-7, a compact DPF end face extraction type dismounting device comprises an inner component, an outer cylinder component and a dismounting cover plate component;
the inner assembly comprises a DPF carrier 7, an inner cylinder body 5, an inner sealing flange 3, a pressing flange 17 and a drawing handle 8;
the DPF carrier 7 is externally wrapped with a layer of liner 6, the DPF carrier 7 wrapped with the liner is pressed into the inner cylinder 5 through a press for assembly, an inner sealing flange 3 is arranged at the necking part of the inner cylinder, a welding and pressing flange 17 is assembled at the end part of the inner cylinder, and a drawing handle 8 is arranged at the end part of the assembled inner cylinder;
the outer cylinder assembly comprises an outer cylinder 4, an outer sealing flange 2, an end cover 9, a cover plate 10, a flanging plate 11 and a base 15;
the outer sealing flange 2 is arranged at the necking part of the outer cylinder body 4, the end cover 9, the cover plate 10 and the flanging plate 11 are sequentially arranged at the outer end of the outer cylinder body 4, and the base 15 is fixed on the assembled outer cylinder body;
the detachable cover plate assembly comprises a handle 13 and a detachable plate 12;
the disassembly plate 12 is arranged at the outer end of the outer cylinder component, and the handle 13 is assembled at the corresponding position of the disassembly plate 12.
Furthermore, a groove is arranged on the outer sealing flange 2, and a sealing gasket 1 is assembled in the groove.
Furthermore, a plurality of concave pits 42 are formed in the outer cylinder 4 and are used for supporting the inner cylinder assembly, the compression bolt 16 is assembled in the base 15, the compression bolt 16 is provided with a bolt conical surface 161, the compression flange is provided with a flange conical surface 171, and as the compression bolt 16 moves towards the inside of the cylinder during assembly, the bolt conical surface 161 compresses the flange conical surface 171 tightly, so that the inner cylinder assembly is firmly pressed on the sealing gasket 1.
Further, dismantle the apron subassembly and fix on outer barrel subassembly through setting up staple bolt 14.
During assembly, firstly, a sealing gasket 1 is placed into a groove of a sealing flange 2, the DPF assembly is pushed into the corresponding position of an outer barrel assembly, the inner barrel assembly is supported firstly through a pit 41 on an outer barrel 4, then a compression bolt 16 is screwed into a base 15, along with the movement of the compression bolt 16 towards the inside of the barrel, a bolt conical surface 161 on the compression bolt 16 tightly presses a flange conical surface 171 on a compression flange 17, the whole inner barrel assembly is firmly pressed on the sealing gasket 1, the front end surface of the DPF is free from air leakage through the deformation of the sealing gasket 1, and the air flow is ensured to flow through a pore channel of a DPF carrier. And finally, fixing the detachable cover plate assembly on the DPF outer cylinder assembly through the anchor ear 14.
When the cover plate assembly is disassembled, firstly, the hoop 14 is disassembled, and the disassembled cover plate assembly is taken down; then 6 hold-down bolts 16 are screwed out, and finally the whole DPF inner assembly is pulled out of the cylinder body through a pulling handle 8, so that the DPF is disassembled.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. A compact DPF end face extraction type dismounting device is characterized in that,
comprises an inner component, an outer cylinder component and a detachable cover plate component;
the inner assembly comprises a DPF carrier (7), an inner cylinder body (5), an inner sealing flange (3), a pressing flange (17) and a drawing handle (8);
the DPF carrier (7) is externally wrapped with a layer of liner (6), the DPF carrier (7) wrapped with the liner is pressed into the inner cylinder body (5) through a press for assembly, an inner sealing flange (3) is arranged at the necking position of the inner cylinder body, a pressing flange (17) is assembled and welded at the end part of the inner cylinder body, and a drawing handle (8) is arranged at the end part of the assembled inner cylinder body;
the outer cylinder assembly comprises an outer cylinder (4), an outer sealing flange (2), an end cover (9), a cover plate (10), a flanging plate (11) and a base (15);
the outer sealing flange (2) is arranged at the necking position of the outer cylinder body (4), the end cover (9), the cover plate (10) and the flanging plate (11) are sequentially arranged at the outer end of the outer cylinder body (4), and the base (15) is fixed on the assembled outer cylinder body;
the detachable cover plate assembly comprises a handle (13) and a detachable plate (12);
the disassembly plate (12) is arranged at the outer end of the outer cylinder component, and the handle (13) is assembled at the corresponding position of the disassembly plate (12).
2. The compact DPF end face extraction type dismounting device of claim 1, wherein: the outer sealing flange (2) is provided with a groove, and a sealing gasket (1) is assembled in the groove.
3. The compact DPF end face extraction type dismounting device of claim 1, wherein: the outer cylinder (4) is provided with a plurality of pits (42) which are used for supporting the inner cylinder assembly, the compression bolts (16) are assembled in the base (15), the compression bolts (16) are provided with bolt conical surfaces (161), the compression flanges are provided with flange conical surfaces (171), the compression bolts (16) move towards the inside of the cylinder during assembly, the bolt conical surfaces (161) tightly press the flange conical surfaces (171), and the inner cylinder assembly is firmly pressed on the sealing gasket (1).
4. The compact DPF end face extraction type dismounting device of claim 1, wherein: the detachable cover plate component is fixed on the outer cylinder component through the hoop (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920831591.5U CN209990536U (en) | 2019-06-04 | 2019-06-04 | Compact DPF end face extraction type dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920831591.5U CN209990536U (en) | 2019-06-04 | 2019-06-04 | Compact DPF end face extraction type dismounting device |
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| Publication Number | Publication Date |
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| CN209990536U true CN209990536U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920831591.5U Active CN209990536U (en) | 2019-06-04 | 2019-06-04 | Compact DPF end face extraction type dismounting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212744A1 (en) * | 2020-04-21 | 2021-10-28 | 天纳克（苏州）排放系统有限公司 | Exhaust gas post-treatment package |
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2019
- 2019-06-04 CN CN201920831591.5U patent/CN209990536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212744A1 (en) * | 2020-04-21 | 2021-10-28 | 天纳克（苏州）排放系统有限公司 | Exhaust gas post-treatment package |
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