CN109854349B - Exhaust gas aftertreatment device mounting structure and excavator - Google Patents
Exhaust gas aftertreatment device mounting structure and excavator Download PDFInfo
- Publication number
- CN109854349B CN109854349B CN201910253484.3A CN201910253484A CN109854349B CN 109854349 B CN109854349 B CN 109854349B CN 201910253484 A CN201910253484 A CN 201910253484A CN 109854349 B CN109854349 B CN 109854349B
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- exhaust gas
- aftertreatment device
- gas aftertreatment
- base
- support
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- 238000009434 installation Methods 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides an exhaust gas aftertreatment device mounting structure and an excavator, and relates to the technical field of engineering machinery; the support is fixed on the base, and the base is used for being connected with the chassis; the support is used for being fixedly connected with the exhaust gas aftertreatment device and enabling the exhaust gas aftertreatment device to be pressed on the base. When the exhaust gas aftertreatment device is installed, the exhaust gas aftertreatment device is placed at a proper position on the base, the support is sleeved on the exhaust gas aftertreatment device, the support is fixed with the base, the exhaust gas aftertreatment device is fixed with the support, and the exhaust gas aftertreatment device can be stably fixed. When the engineering machinery works under the working condition of larger vibration, the exhaust gas aftertreatment device is firmly fixed on the base and the bracket, and the exhaust gas aftertreatment device does not shake greatly under the action of the vibration, so that the exhaust gas aftertreatment device can work stably, and the working reliability of the exhaust gas aftertreatment device is improved.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to an installation structure of an exhaust gas aftertreatment device and an excavator with the installation structure of the exhaust gas aftertreatment device.
Background
In the engineering machinery carrying the internal combustion engine, the exhaust gas is generally purified by an exhaust gas aftertreatment device, and the content of harmful substances in the exhaust gas is reduced, so that the exhaust gas emission reaches a higher environmental protection standard.
An integrated exhaust gas aftertreatment device is a commonly used exhaust gas aftertreatment device that is widely used in road equipment such as trucks. The cross section of the integrated exhaust gas aftertreatment device is irregular, and is provided with a mounting plate connected with the outside. The mounting plate is typically suspended from a cantilever beam during installation.
When the operation under the great operating mode of vibration, because exhaust gas aftertreatment device hangs on the cantilever beam, exhaust gas aftertreatment device produces easily and rocks under the vibration effect, can't guarantee exhaust gas aftertreatment device's reliability of operation.
Disclosure of Invention
The invention aims to provide an installation structure of an exhaust gas aftertreatment device, which aims to solve the technical problem of low installation reliability of the exhaust gas aftertreatment device in the prior art.
The invention provides an installation structure of an exhaust gas aftertreatment device, which comprises a base and a bracket;
the support is fixed on the base, and the base is used for being connected with the chassis;
the support is used for being fixedly connected with the exhaust gas aftertreatment device and enabling the exhaust gas aftertreatment device to be pressed on the base.
Further, the bracket comprises a connecting piece and a base;
the connecting piece is sleeved on the outer surface of the exhaust gas aftertreatment device and is fixedly connected with the exhaust gas aftertreatment device;
the base is fixed at two ends of the connecting piece respectively, and the base is fixedly connected with the base.
Further, the connecting piece is in threaded connection with the exhaust gas aftertreatment device.
Further, a through hole is formed in the connecting piece, the through hole and a mounting point of the exhaust gas aftertreatment device are arranged oppositely, and a nut is fixedly arranged in the through hole.
Further, the bracket further comprises a reinforcement member disposed between the base and the connection member.
Further, the plurality of brackets are provided; the brackets are arranged on the base at intervals.
Further, the base is used for being fixedly connected with the bottom of the exhaust gas aftertreatment device.
Further, the exhaust gas aftertreatment device mounting structure further includes a frame, the base being fixed to the frame, the frame being for connection with the chassis.
Further, the base is a flat plate.
The invention also aims to provide an excavator, which comprises a chassis and the exhaust gas aftertreatment device mounting structure.
The invention provides an installation structure of an exhaust gas aftertreatment device, which comprises a base and a bracket; the support is fixed on the base, and the base is used for being connected with the chassis; the support is used for being fixedly connected with the exhaust gas aftertreatment device and enabling the exhaust gas aftertreatment device to be pressed on the base. When the exhaust gas aftertreatment device is installed, the exhaust gas aftertreatment device is placed at a proper position on the base, the support is sleeved on the exhaust gas aftertreatment device, the support and the base are fixed, the exhaust gas aftertreatment device and the support are fixed, the exhaust gas aftertreatment device can be stably fixed on the base and the support, and finally the base is assembled on a chassis of the engineering machinery. When the engineering machinery works under the working condition of large vibration, the exhaust gas aftertreatment device is firmly fixed on the base and the support, so that the exhaust gas aftertreatment device is not easy to shake under the action of vibration, the exhaust gas aftertreatment device can work stably, and the working reliability of the exhaust gas aftertreatment device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a mounting structure of an exhaust gas aftertreatment device according to an embodiment of the present invention;
fig. 2 is an assembly view of an exhaust gas aftertreatment device mounting structure provided by an embodiment of the present invention.
Icon: 1-a base; 2-a bracket; 21-a connector; 22-a base; 23-a stiffener; 24-nut; 3-an exhaust gas aftertreatment device; 4-bolts.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention provides an exhaust gas aftertreatment device mounting structure and an excavator, and a plurality of embodiments are provided below to describe the exhaust gas aftertreatment device mounting structure and the excavator in detail.
Example 1
The exhaust gas aftertreatment device mounting structure provided in this embodiment, as shown in fig. 1 to 2, includes a base 1 and a bracket 2; the bracket 2 is fixed on the base 1, and the base 1 is used for being connected with the chassis; the bracket 2 is used for being fixedly connected with the exhaust gas aftertreatment device 3, and enables the exhaust gas aftertreatment device 3 to be pressed and connected on the base 1.
When the exhaust gas aftertreatment device 3 is installed, the exhaust gas aftertreatment device 3 is placed at a proper position on the base 1, the support 2 is sleeved on the exhaust gas aftertreatment device 3, the support 2 is fixed with the base 1, the exhaust gas aftertreatment device 3 is fixed with the support 2, the exhaust gas aftertreatment device 3 can be stably fixed on the base 1 and the support 2, and finally the base 1 is assembled on a chassis of engineering machinery.
After the exhaust gas post-treatment device 3 is mounted on the chassis, the air outlet of the exhaust gas post-treatment device 3 needs to be disposed upward, and the air inlet of the exhaust gas post-treatment device 3 is disposed at a position that is convenient to be connected to the exhaust pipe.
When the engineering machinery works under the working condition of large vibration, the exhaust gas aftertreatment device 3 is firmly fixed on the base 1 and the support 2, so that the exhaust gas aftertreatment device 3 is not easy to shake under the action of vibration, the exhaust gas aftertreatment device 3 can work stably, and the working reliability of the exhaust gas aftertreatment device is improved.
The bracket 2 may have any suitable structure such as a curved plate or a curved rod.
For example, the bracket 2 is a curved plate, and when the bracket 2 is fitted over the exhaust gas aftertreatment device 3, the curved plate contacts the exhaust gas aftertreatment device 3. Wherein, crooked form board can laminate with the outline of exhaust gas aftertreatment device 3, can fix exhaust gas aftertreatment device 3 more steadily.
Preferably, the bracket 2 comprises a connector 21 and a base 22; the connecting piece 21 is sleeved on the outer surface of the exhaust gas aftertreatment device 3, and the connecting piece 21 is fixedly connected with the exhaust gas aftertreatment device 3; the base 22 is fixed at two ends of the connecting piece 21 respectively, and the base 22 is fixedly connected with the base 1.
The base 22 is fixedly connected with the base 1, may be welded, may be connected by fasteners, for example, bolts 4 or screws, and the like, and can be easily assembled and disassembled.
The connector 21 may have a plate shape, or may have any suitable form such as a rod shape.
In this embodiment, the connecting piece 21 is plate-shaped, and the shape of the connecting piece 21 is adapted to the outer contour of the exhaust gas post-treatment device 3, the connecting piece 21 is sleeved on the exhaust gas post-treatment device 3, the exhaust gas post-treatment device 3 is fixedly connected with the connecting piece 21, and the connecting piece 21 is fixed on the base 1 through the base 22, so that the exhaust gas post-treatment device 3 is pressed on the base 1.
The connecting piece 21 and the exhaust gas aftertreatment device 3 may be welded together or may be connected together by fasteners.
Preferably, the connecting member 21 is screwed with the exhaust gas aftertreatment device 3, so that the assembly and disassembly can be facilitated.
Wherein, the top of exhaust gas aftertreatment device 3 among the prior art is equipped with the mounting panel, is equipped with the mounting hole on the mounting panel, and connecting piece 21 can be connected with exhaust gas aftertreatment device 3 through setting up bolt 4 with the position that the mounting hole corresponds. This connected mode is convenient to need not to reform transform the structure of current exhaust gas aftertreatment device 3, practice thrift the cost.
Specifically, the connecting member 21 is provided with a through hole which is disposed opposite to the mounting hole of the exhaust gas aftertreatment device 3, and a nut 24 is fixedly disposed in the through hole.
During installation, the bolt 4 passes through the installation hole and then is screwed with the nut 24, so that the operation is simple and convenient.
Further, the bracket 2 further includes a reinforcement member 23, and the reinforcement member 23 is disposed between the base 22 and the connection member 21.
The reinforcing member 23 may be a reinforcing plate, or may be any suitable form such as a reinforcing rib, and the reinforcing member 23 can improve the strength of the connecting member 21 and the stability of the exhaust gas aftertreatment device 3.
The reinforcement member 23 may be welded between the base 22 and the connection member 21, or may be formed integrally with the base 22 and the connection member 21 in any suitable manner.
Further, the number of the brackets 2 is plural; a plurality of brackets 2 are provided on the base 1 at intervals.
The stent 2 may be of any suitable number, 2, 3, 4, 5 or 6, etc. The exhaust gas aftertreatment device 3 of the prior art generally has two mounting plates, so that two brackets 2 can be selected for adaptation to the mounting plates.
When the size of the exhaust gas post-treatment device 3 is large, a larger number of brackets 2 can be arranged according to the size of the exhaust gas post-treatment device 3, so that the fixing effect is improved.
Further, the base 1 is adapted to be fixedly connected to the bottom of the exhaust gas aftertreatment device 3.
For example, a mounting plate may be provided at the bottom of the exhaust gas aftertreatment device 3, and the base 1 is fixedly connected to the mounting plate.
The base 1 is fixedly connected to the bottom of the exhaust gas aftertreatment device 3, so that the reliability of the exhaust gas aftertreatment device mounting structure can be increased.
Further, the exhaust gas aftertreatment device mounting structure further includes a frame to which the base 1 is fixed, the frame being for connection with the chassis.
Wherein, during the assembly, base 1 is fixed on the frame, and the frame is fixed on the chassis of engineering machine tool, and the frame can comparatively firmly support base 1 and exhaust gas aftertreatment device 3 on the base 1.
The frame and the base 1 may be connected by welding or by fastening.
The base 1 may be flat or frame-shaped.
Preferably, the base 1 is a flat plate, which can increase the contact area with the exhaust gas aftertreatment device 3, so that the exhaust gas aftertreatment device 3 is more stably fixed on the base 1.
The exhaust gas aftertreatment device mounting structure provided by the embodiment comprises a base 1 and a bracket 2; the bracket 2 is fixed on the base 1, and the base 1 is used for being connected with the chassis; the bracket 2 is used for being fixedly connected with the exhaust gas aftertreatment device 3, and enables the exhaust gas aftertreatment device 3 to be pressed and connected on the base 1. When the exhaust gas aftertreatment device 3 is installed, the exhaust gas aftertreatment device 3 is placed at a proper position on the base 1, the support 2 is sleeved on the exhaust gas aftertreatment device 3, the support 2 is fixed with the base 1, the exhaust gas aftertreatment device 3 is fixed with the support 2, the exhaust gas aftertreatment device 3 can be stably fixed on the base 1 and the support 2, and finally the base 1 is assembled on a chassis of engineering machinery. When the engineering machinery works under the working condition of large vibration, the exhaust gas aftertreatment device 3 is firmly fixed on the base 1 and the support 2, so that the exhaust gas aftertreatment device 3 is not easy to shake under the action of vibration, the exhaust gas aftertreatment device 3 can work stably, and the working reliability of the exhaust gas aftertreatment device is improved.
Example 2
The excavator provided by the embodiment comprises a chassis and the exhaust gas aftertreatment device mounting structure provided by the embodiment 1.
When the exhaust gas aftertreatment device 3 is installed, the exhaust gas aftertreatment device 3 is placed at a proper position on the base 1, the support 2 is sleeved on the exhaust gas aftertreatment device 3, the support 2 is fixed with the base 1, the exhaust gas aftertreatment device 3 is fixed with the support 2, the exhaust gas aftertreatment device 3 can be stably fixed on the base 1 and the support 2, and finally the base 1 is assembled on a chassis of an excavator. When the excavator works under the working condition of large vibration, the exhaust gas aftertreatment device 3 is firmly fixed on the base 1 and the support 2, so that the exhaust gas aftertreatment device 3 is not easy to shake under the action of vibration, the exhaust gas aftertreatment device 3 can work stably, and the working reliability of the exhaust gas aftertreatment device is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. An installation structure of an exhaust gas aftertreatment device is characterized by comprising a base (1), a bracket (2) and a frame;
the support (2) is fixed on the base (1), the base (1) is fixed on the frame, and the frame is used for being connected with the chassis; the exhaust gas aftertreatment device (3) is placed on the base (1), the exhaust gas aftertreatment device (3) is fixedly connected with the base (1), the base (1) is a flat plate, and the contact area with the exhaust gas aftertreatment device (3) can be increased;
the support (2) is used for being fixedly connected with the exhaust gas aftertreatment device (3) and enabling the exhaust gas aftertreatment device (3) to be in compression joint with the base (1), the support (2) is in a bent shape, the support (2) is sleeved on the exhaust gas aftertreatment device (3), and the support (2) is attached to the outer contour of the exhaust gas aftertreatment device (3);
the bracket (2) comprises a connecting piece (21) and a base (22);
the connecting piece (21) is sleeved on the outer surface of the exhaust gas aftertreatment device (3), a mounting plate is arranged at the top of the exhaust gas aftertreatment device (3), a mounting hole is formed in the mounting plate, and the mounting plate is connected with the connecting piece (21) through a bolt and a nut;
the base (22) is respectively fixed at two ends of the connecting piece (21), and the base (22) is fixedly connected with the base (1).
2. The exhaust gas aftertreatment device mounting structure according to claim 1, characterized in that the connecting member (21) is provided with a through hole, the through hole is disposed opposite to the mounting point of the exhaust gas aftertreatment device (3), and a nut (24) is fixedly disposed in the through hole.
3. The exhaust gas aftertreatment device mounting structure according to claim 1, characterized in that the bracket (2) further comprises a reinforcement member (23), the reinforcement member (23) being disposed between the base (22) and the connection member (21).
4. An exhaust gas aftertreatment device mounting arrangement according to any one of claims 1-3, characterized in that the support (2) is a plurality; the plurality of brackets (2) are arranged on the base (1) at intervals.
5. An excavator comprising a chassis and the exhaust gas aftertreatment device mounting structure of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253484.3A CN109854349B (en) | 2019-03-29 | 2019-03-29 | Exhaust gas aftertreatment device mounting structure and excavator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253484.3A CN109854349B (en) | 2019-03-29 | 2019-03-29 | Exhaust gas aftertreatment device mounting structure and excavator |
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| CN109854349A CN109854349A (en) | 2019-06-07 |
| CN109854349B true CN109854349B (en) | 2024-02-27 |
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| CN201910253484.3A Active CN109854349B (en) | 2019-03-29 | 2019-03-29 | Exhaust gas aftertreatment device mounting structure and excavator |
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