CN114776428A - Maintenance device and method for engine aftertreatment - Google Patents
Maintenance device and method for engine aftertreatment Download PDFInfo
- Publication number
- CN114776428A CN114776428A CN202210433870.2A CN202210433870A CN114776428A CN 114776428 A CN114776428 A CN 114776428A CN 202210433870 A CN202210433870 A CN 202210433870A CN 114776428 A CN114776428 A CN 114776428A
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- Prior art keywords
- support
- iii
- supporting
- cylinder
- barrel
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- Pending
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- 238000012423 maintenance Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012805 post-processing Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention belongs to the technical field of engine post-treatment, and particularly relates to a maintenance device and a maintenance method for engine post-treatment, which comprises a support I, a support II, a controller and a supporting mechanism, wherein the support I and the support II are respectively used for supporting and connecting a cylinder I and a cylinder II and are fixed on a bearing plate; the supporting mechanism is arranged below the barrel body III, is controlled by the controller to lift and is connected with the barrel body III in a supporting mode. The method comprises the following steps: installing a bracket I, a bracket II and a supporting mechanism; the controller controls the bent plate to be attached to the cylinder body III, and the height of the supporting rod is recorded; the supporting rod rises to take out the cylinder body III; and placing the cylinder III in the bent plate, descending the support rod to the recorded telescopic height H, and installing the cylinder III. The barrel body of the invention is automatically aligned and installed, is convenient and quick, realizes the installation and replacement of the post-treatment barrel body by a single person, and saves manpower.
Description
Technical Field
The invention belongs to the technical field of engine post-treatment, and particularly relates to a maintenance device and a maintenance method for engine post-treatment.
Background
Aftertreatment refers to an engine aftertreatment system, which is simply a device for treating tail gas of an engine and assisting the engine to discharge pollutants to reach the standard, and is generally applied to automobiles, heavy trucks and part of engineering machinery at present. The structure is generally a sectional barrel structure, and the sections can be firmly connected through bolts or clamping bands. After the emission is upgraded, the engineering machinery is additionally provided with a post-processing device according to the requirements. The post-processing detection and maintenance mainly use a conventional tool wrench and the like to disassemble and install the post-processing middle barrel, and multiple persons are required to cooperate together, and the barrel is complex in centering. The middle barrel and the two end barrels are difficult to align and lap-joint, require cooperation of people and skill. Although there is manual leveling device of manual hydraulic jack lifting device, the technical requirement is high only for the whole replacement of the post-treatment and the difficult operation in the narrow space of the engineering machinery.
Disclosure of Invention
Aiming at the problems, the invention provides a maintenance device and a maintenance method for post-treatment of an engine, which can realize automatic centering of a middle cylinder and cylinders at two ends and save labor.
In order to realize the purpose, the invention adopts the following technical scheme:
a maintenance device for post-treatment of an engine comprises a support I, a support II, a controller and a support mechanism, wherein the support I and the support II are respectively connected with a cylinder I and a cylinder II in a supporting manner and fixed on a bearing plate; the supporting mechanism is arranged below the barrel body III, is controlled by the controller to lift and is connected with the barrel body III in a supporting mode.
Furthermore, the supporting mechanism is installed on the bearing plate in a limiting mode.
Furthermore, the supporting mechanism comprises a limiting column, a bottom plate, a bent plate, a supporting rod and a base, wherein the bottom plate is fixed on the bearing plate by the limiting column, the base is fixed on the bottom plate, the supporting rod is connected with a transmission mechanism in the base, and the bent plate is fixed on the top end of the supporting rod and is in supporting connection with the barrel III.
Furthermore, the inner surface of the bent plate is connected with the surface of the cylinder III in a limiting manner.
Furthermore, the inner surface of bent plate is equipped with the recess, and barrel III surface is equipped with the arch.
Furthermore, the controller controls the transmission mechanism in the base to lift the supporting rod.
Further, a maintenance method for engine aftertreatment comprises the following steps:
installing a maintenance device, and installing a supporting mechanism below an engine postprocessor;
the supporting mechanism works to a preset position 1, and connecting pieces between the post-treatment cylinders are disassembled;
the supporting mechanism works to a preset position 2 and keeps the same, and the barrel is taken down;
after the barrel is cleaned, the barrel is placed on a supporting mechanism;
the supporting mechanism works to a preset position 1 to complete the centering and lapping of the cylinder;
the support mechanism is reset to the initial position.
Further, a maintenance method for the post-treatment of the engine comprises the following steps:
the mounting support I and the mounting support II fixedly support the cylinder body I and the cylinder body II, and the supporting mechanism is mounted at a preset position below the cylinder body III;
the controller controls the supporting rod of the transmission mechanism in the base to drive the bent plate to ascend until the inner surface of the bent plate is attached to the outer surface of the cylinder III, and the controller records the telescopic height H of the supporting rod at the moment;
after the connecting pieces at the two ends of the cylinder III are removed, the supporting rod continues to rise to a proper height, the rising is suspended, and the cylinder III is taken out for maintenance;
placing the maintained cylinder III in a bent plate, descending the support rod to the recorded telescopic height H, pausing to descend, and installing the cylinder III to be centered and lapped with the cylinders at two ends;
the support rod of the support mechanism is lowered to an initial position.
Compared with the prior art, the invention has the following effective gains: 1. the barrel aligns, installs automatically, convenient and fast. 2. The aftertreatment barrel can be installed and replaced by a single person, and manpower is saved.
Meanwhile, the invention can be operated in a narrow space of the engineering machinery, and the limiting structure of the bent plate groove and the barrel surface protrusion is convenient for recovery, thereby improving the barrel centering precision.
Drawings
FIG. 1: the invention has a schematic structure.
In the figure, 1, a cylinder body I, 2, a support I, 3, a cylinder body II, 4, a support II, 5, a cylinder body III, 5-1, a bulge, 6, a controller, 7, a supporting mechanism, 7-1, a limiting column, 7-2, a bottom plate, 7-3, a bent plate, 7-3-1, a groove, 7-4, a supporting rod, 7-5, a base and 8, a bearing plate are arranged.
Detailed Description
The technical solution of the present invention will be clearly and completely described in the following with reference to the accompanying drawings and the detailed description. It is clear that the described embodiment is only a partial, not a complete embodiment of the invention, and that all other embodiments made by a person skilled in the art without inventive step on the basis of the embodiment of the invention are within the scope of protection of the invention.
The invention provides a maintenance device and a maintenance method for engine aftertreatment, and the maintenance device comprises a support I2, a support II 4, a controller 6 and a supporting mechanism 7, as shown in figure 1. Support I2 and support II 4 support respectively and connect barrel I1, barrel II 3 to fix on bearing plate 8, support I2 and II 4 upper portions of support are U type groove in this embodiment. Barrel I1, barrel II 3 fixed connection are in U type inslot, by II 4 bearing of support I2 and support, prevent to demolish III 5 backs of middle barrel, barrel I1, II 3 take place the displacement of barrel, influence the centering of follow-up installation, overlap joint work.
The bottom plate 7-2 is fixed on the bearing plate 8 through the through hole on the bottom plate 7-2 by the limiting column 7-1 at the bottom of the supporting mechanism 7, so that the supporting mechanism 7 is limited, and the supporting mechanism 7 is prevented from displacing during working to influence the mounting precision of the cylinder. The top of the supporting mechanism 7 is provided with a U-shaped bent plate 7-3. The inner surface of the bent plate 7-3 is attached to the surface of the cylinder III 5, and the inner surface of the bent plate is provided with a groove 7-3-1 which is matched and limited with a protrusion 5-1 on the surface of the cylinder III 5. The barrel III 5 is conveniently positioned by arranging the groove 7-3-1, and the centering and lapping precision of the barrel III 5 and the barrels at two ends is improved. The bent plate 7-3 is connected with the top end of a supporting rod 7-4, the supporting rod 7-4 is connected with a transmission mechanism in a base 7-5, the base 7-5 is fixed on a bottom plate 7-2, and the supporting rod 7-4 drives the bent plate 7-3 to move flexibly in the telescopic range in the up-down direction. The controller 6 controls the transmission mechanism in the base 7-5 to drive the supporting rod to extend up and down. The controller 6 records the height of the supporting rod 7-4 of the cylinder III 5 in the original state, and then controls the supporting rod 7-4 to lift and remove the cylinder III 5. When the barrel is recovered, the barrel III 5 and the bent plate 7-3 are placed in a limiting mode, the supporting rod 7-4 is suspended after descending to the height of the original state, the two ends of the barrel III 5 are aligned and lapped with the barrel I1 and the barrel II 3, clamps at the two ends of the barrel III 5 are fastened, and single automatic alignment and replacement post-processing are achieved.
It should be noted that, in the present invention, the controller 6 is a common single chip controller in the technical field, and the transmission mechanism adopts various driving modes such as hydraulic or electric motor.
When the device is disassembled and post-processed, the support I2 and the support II 4 are firstly installed to fixedly support the cylinder I1 and the cylinder II 3, then the supporting mechanism 7 is installed at a preset position below the cylinder III 5, the controller 6 controls the supporting rod 7-4 to drive the bent plate 7-3 to ascend under the request of an external signal until the inner surface of the bent plate 7-3 is attached to the outer surface of the cylinder III 5, and the groove 7-3-1 is matched with the protrusion 5-2 on the surface of the cylinder III for limiting. The controller 6 records the telescopic height H of the support rod 7-4 at the moment (for the case that the height of the barrel and the bearing plate is known, the telescopic height H of the support mechanism 7 can be set in the controller 6 as a preset position 1.) and the lifting is suspended. After the V-shaped clamps at the two ends of the cylinder III 5 are removed, the supporting rod 7-4 continuously rises to a proper height (the height can also be set as a preset position 2 in the controller 6), and the rising is suspended. And taking out the cylinder III 5 for maintenance, and then placing the cylinder III in the bent plate 7-3 again, wherein the bulge 5-1 on the surface of the cylinder III 5 is attached to the groove 7-3-1 on the inner surface of the bent plate 7-3. The supporting rod 7-4 is suspended to descend after descending to the recorded telescopic height H (the preset position 1), and the mounting cylinder III 5 is centered, lapped and fastened by a clamp with the cylinders at two ends, so that the aftertreatment cylinder is automatically centered and replaced by a single person. The support rod 7-4 of the support mechanism 7 is then lowered to the initial position.
The foregoing embodiments are merely exemplary for clearly illustrating the technical solutions in detail, and are not to be considered as limiting the invention, which may be implemented in other forms by those skilled in the art without departing from the basic principle of the invention. The present embodiments are therefore to be considered as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the specific details of implementation, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein without any reference sign in the claims.
The above embodiments are only examples of the present invention and should not be construed as limiting the scope of the present invention, and any slight modifications, equivalent replacements or improvements made to the above embodiments according to the technology of the present invention should be considered within the protection scope of the present invention.
Claims (8)
1. A maintenance device for engine aftertreatment, characterized in that: the device comprises a support I (2), a support II (4), a controller (6) and a support mechanism (7), wherein the support I (2) and the support II (4) are respectively connected with a cylinder body I (1) and a cylinder body II (3) in a supporting manner and fixed on a bearing plate (8); supporting mechanism (7) are located barrel III (5) below, are controlled by controller (6) and go up and down, are connected with barrel III (5) support.
2. A maintenance device for engine after-treatment according to claim 1, characterized in that: the supporting mechanism (7) is mounted on the bearing plate (8) in a limiting manner.
3. A maintenance device for engine aftertreatment, according to claim 2, characterized in that: the supporting mechanism (7) comprises a limiting column (7-1), a bottom plate (7-2), a bent plate (7-3), a supporting rod (7-4) and a base (7-5), wherein the bottom plate (7-2) is fixed on a bearing plate (8) by the limiting column (7-1), the base (7-5) is fixed on the bottom plate (7-2), the supporting rod (7-4) is connected with a transmission mechanism in the base (7-5), and the bent plate (7-3) is fixed at the top end of the supporting rod (7-4) and is in supporting connection with a barrel body III (5).
4. A maintenance device for engine after-treatment according to claim 3, characterized in that: the inner surface of the bent plate (7-3) is in limited connection with the surface of the cylinder III (5).
5. A maintenance device for engine aftertreatment, according to claim 4, characterized in that: the inner surface of the bent plate (7-3) is provided with a groove (7-3-1), and the surface of the cylinder III (5) is provided with a bulge (5-1).
6. A maintenance device for engine after-treatment according to claim 5, characterized in that: the controller (6) controls the transmission mechanism in the base (7-5) to lift the supporting rod (7-4).
7. A maintenance method for engine aftertreatment is characterized in that: the maintenance method using the maintenance device of claim 1, comprising the steps of:
installing a maintenance device, and installing a supporting mechanism (7) below an engine postprocessor;
the supporting mechanism (7) works to a preset position 1, and connecting pieces between the post-treatment cylinders are disassembled;
the supporting mechanism (7) works to the preset position 2 and keeps the same, and the barrel is taken down;
after the barrel is cleaned, the barrel is placed on a supporting mechanism (7);
the supporting mechanism (7) works to a preset position 1 to complete the centering and lapping of the cylinder body;
the support mechanism (7) is reset to the initial position.
8. A maintenance method for engine aftertreatment is characterized in that: the maintenance method by using the maintenance device of any one of claims 3 to 6, comprising the following steps:
the mounting support I (2) and the mounting support II (4) fixedly support the cylinder body I (1) and the cylinder body II (3), and the supporting mechanism (7) is mounted at a preset position below the cylinder body III (5);
the controller (6) controls the supporting rod (7-4) of the transmission mechanism in the base (7-5) to drive the bent plate (7-3) to ascend until the inner surface of the bent plate (7-3) is attached to the outer surface of the cylinder body III (5), and the controller (6) records the telescopic height H of the supporting rod (7-4) at the moment;
after connecting pieces at two ends of the cylinder III (5) are removed, the supporting rod (7-4) continues to rise to a proper height, the rising is suspended, and the cylinder III (5) is taken out for maintenance;
placing the maintained cylinder III (5) in a bent plate (7-3), descending the support rod (7-4) to the recorded telescopic height H, suspending descending, and installing the cylinder III (5) to be aligned and overlapped with the cylinders at two ends;
the support rod (7-4) of the support mechanism (7) descends to an initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433870.2A CN114776428A (en) | 2022-04-24 | 2022-04-24 | Maintenance device and method for engine aftertreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433870.2A CN114776428A (en) | 2022-04-24 | 2022-04-24 | Maintenance device and method for engine aftertreatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114776428A true CN114776428A (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210433870.2A Pending CN114776428A (en) | 2022-04-24 | 2022-04-24 | Maintenance device and method for engine aftertreatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114776428A (en) |
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| CN211623533U (en) * | 2019-12-29 | 2020-10-02 | 常州市长城工艺厂有限公司 | High temperature resistant vehicle vent-pipe of easy dismouting |
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| CN212535831U (en) * | 2020-07-09 | 2021-02-12 | 重庆市渝北职业教育中心 | Automobile exhaust pump drainage device convenient to installation |
| CN212950245U (en) * | 2020-07-20 | 2021-04-13 | 浙江吉智新能源汽车科技有限公司 | Roller resistance structure for power changing station and power changing station with same |
| CN213271367U (en) * | 2020-07-09 | 2021-05-25 | 许林涛 | Pipeline connection strutting arrangement for hydraulic engineering |
| CN214499200U (en) * | 2020-12-12 | 2021-10-26 | 河北晟华通工程机械贸易有限公司 | Draw-out type exhaust gas purifier |
-
2022
- 2022-04-24 CN CN202210433870.2A patent/CN114776428A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016246A (en) * | 2008-07-10 | 2011-04-13 | 日立建机株式会社 | Construction machine |
| JP2011185176A (en) * | 2010-03-09 | 2011-09-22 | Hitachi Constr Mach Co Ltd | Exhaust emission control device |
| JP2012002132A (en) * | 2010-06-16 | 2012-01-05 | Komatsu Ltd | Working vehicle |
| JP2014121975A (en) * | 2012-12-21 | 2014-07-03 | Hitachi Constr Mach Co Ltd | Construction machine with purifier |
| CN206199626U (en) * | 2016-10-09 | 2017-05-31 | 天津中天富泰科技有限公司 | A kind of applicator system suitable for tubing |
| CN109048142A (en) * | 2018-10-27 | 2018-12-21 | 刘芳艳 | Pipe flange assembles positioning tool |
| CN211623533U (en) * | 2019-12-29 | 2020-10-02 | 常州市长城工艺厂有限公司 | High temperature resistant vehicle vent-pipe of easy dismouting |
| CN212003309U (en) * | 2020-03-11 | 2020-11-24 | 刘红飞 | Automobile exhaust discharges with clean purifier of convenient to detach |
| CN212535831U (en) * | 2020-07-09 | 2021-02-12 | 重庆市渝北职业教育中心 | Automobile exhaust pump drainage device convenient to installation |
| CN213271367U (en) * | 2020-07-09 | 2021-05-25 | 许林涛 | Pipeline connection strutting arrangement for hydraulic engineering |
| CN212950245U (en) * | 2020-07-20 | 2021-04-13 | 浙江吉智新能源汽车科技有限公司 | Roller resistance structure for power changing station and power changing station with same |
| CN214499200U (en) * | 2020-12-12 | 2021-10-26 | 河北晟华通工程机械贸易有限公司 | Draw-out type exhaust gas purifier |
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