Auxiliary adjusting support of post-processing system
By designing an auxiliary adjustment bracket for the aftertreatment system, the airtightness problem caused by the inability to adjust the existing fixed bracket is solved, and the accurate adjustment of the aftertreatment system and the improvement of the exhaust emission effect are achieved.
Patent Information
- Application Number
- CN202420705953.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-04-08
AI Technical Summary
The existing fixed brackets cannot adjust the installation position of the aftertreatment system, resulting in improper spacing between the aftertreatment devices, affecting the airtightness and exhaust emission effect.
An auxiliary adjustment bracket for a post-treatment system is designed, including a bracket platform, first and second bracket feet, adjustment part and other components, adjusting the height of the bracket platform through adjustment screws and support gaskets, and multi-dimensional adjustment is achieved through the movable connection of the clamp and the after-treatment device.
The precise adjustment of the after-treatment system is achieved, which avoids the airtightness problem caused by improper device spacing, improves the effect of exhaust gas emissions, and saves vehicle cabin space.
Smart Images

Figure CN222807908U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of a post-processing system bracket, in particular to an auxiliary adjustment bracket of a post-processing system. Background Art
[0002] The after-treatment system refers to the assembly of all devices that process engine combustion exhaust gas, including devices such as the particulate filter (DPF), selective catalytic reduction system (SCR) and oxidation catalyst (DOC); coplanarity refers to the degree of overlap between the surface of the bracket and the surface of the device to be assembled.
[0003] The existing fixed bracket is affected by manufacturing tolerances, resulting in the installation position of the after-treatment system being restricted by the bracket and unable to adjust the coplanarity. Since multiple devices of the after-treatment system need to be connected to different devices of the engine, once there is an error in the installation position of the fixed bracket, there will be connection seams at the inlet and outlet of the after-treatment exhaust, resulting in a series of problems with exhaust emissions.
[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content
[0005] The utility model aims to provide an auxiliary adjustment bracket of a post-processing system, which can solve the problems existing in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides an auxiliary adjustment bracket of an after-treatment system, which is connected to an engine casing, including: a bracket platform, fixed on the top of the engine casing, the bracket platform is a flat structure, and the top surface of the bracket platform is parallel to the horizontal plane; a first bracket foot, the bottom end of the first bracket foot is fixed on the top surface of the bracket platform, the first bracket foot includes a first clamp, the first clamp is a circular ring structure, the first clamp is arranged at the top of the first bracket foot, and the symmetry axis of the first clamp is arranged parallel to the horizontal plane; a second bracket foot, the bottom end of the second bracket foot is fixed on the top surface of the bracket platform, the second bracket foot includes a second clamp, the second clamp is a circular ring structure, the second clamp is arranged at the top of the second bracket foot, and the symmetry axis of the second clamp is arranged parallel to the horizontal plane; wherein, the symmetry axis of the first clamp is arranged perpendicular to the symmetry axis of the second clamp.
[0007] In one or more embodiments, the auxiliary adjustment bracket of the after-treatment system also includes an adjustment part, one end of which is connected to the bottom of the bracket platform and the other end is connected to the top of the engine casing. The adjustment part includes an adjustment screw and a support gasket, and the adjustment screw is used to adjust the height of the bracket platform.
[0008] In one or more embodiments, the auxiliary adjustment bracket of the after-treatment system also includes a first after-treatment device, the first after-treatment device is a cylindrical structure, the shape and size of the first clamp are matched with the side shape and size of the first after-treatment device, and the first after-treatment device is movably connected to the inner wall of the first clamp.
[0009] In one or more embodiments, the auxiliary adjustment bracket of the after-treatment system also includes a second after-treatment device, the second after-treatment device is a cylindrical structure, the shape and size of the second hoop are matched with the side shape and size of the second after-treatment device, and the second after-treatment device is movably connected to the inner wall of the second hoop; wherein the symmetry axis of the first hoop is set higher than the symmetry axis of the second hoop.
[0010] In one or more embodiments, the auxiliary adjustment bracket of the after-treatment system further includes a bracket side plate, and the bracket side plate is arranged perpendicular to the bracket platform.
[0011] In one or more embodiments, the bracket side plate includes an elongated waist hole, and the second post-processing device is fixed to the elongated waist hole.
[0012] In one or more embodiments, the auxiliary regulating bracket of the after-treatment system further includes a gas transmission pipeline for transmitting the combustion exhaust gas.
[0013] In one or more embodiments, one end of one or more of the gas transmission pipelines is connected to the first post-processing device, and the other end is connected to the second post-processing device.
[0014] In one or more embodiments, the auxiliary adjustment bracket of the after-treatment system further includes a filter, and one end of one or more air supply pipelines is connected to the filter and the other end is connected to the air intake end of the engine casing.
[0015] In one or more embodiments, the filter is connected to an air intake of the engine.
[0016] Compared with the prior art, the multiple technical solutions and embodiments provided by the present invention at least include the following technical effects or advantages:
[0017] By placing the post-processing system in front, the vehicle's limited cabin space can be saved; the length of the pipeline can be reduced to prevent the accumulation of particulate matter that leads to inefficient post-processing or blockage; the accuracy of adjusting the coplanarity can be increased; and gaps in the pipeline caused by improper spacing between post-processing devices can be avoided, which affects the air tightness. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and can be considered as illustrative of various combinations of preferred embodiments and do not constitute an improper limitation on the present invention. In the drawings:
[0019] Figure 1 A schematic diagram of the overall structure of an auxiliary adjustment bracket of a post-processing system provided by the utility model;
[0020] Figure 2 A schematic diagram of the overall installation structure of a second post-processing device and a second clamp of an auxiliary adjustment bracket of a post-processing system provided by the utility model;
[0021] Figure 3 A schematic diagram of the overall structure of a bracket side plate for assisting in adjusting the side viewing angle of the bracket provided by the utility model through a post-processing system;
[0022] Figure 4 A schematic diagram of the overall structure of a post-processing system auxiliary adjustment bracket three-dimensional viewing angle provided by the utility model;
[0023] The numbers in the figure represent: 1-support platform, 2-engine casing, 3-first support foot, 31-first clamp, 4-second support foot, 41-second clamp, 5-adjustment part, 6-first post-processing device, 7-second post-processing device, 8-support side plate, 81-long waist hole, 9-air pipeline, 10-filter. DETAILED DESCRIPTION
[0024] Unless explicitly stated otherwise, throughout the specification and claims, the term "comprise" or its variations such as "include" or "comprising", "made of", etc. will be understood to include the stated elements or components but not to exclude other elements or other components.
[0025] The utility model aims to provide an auxiliary adjustment bracket of a post-processing system, which facilitates positioning of the installation surface when the post-processing system is installed, prevents the base of the post-processing system from tilting with the horizontal plane, and increases the reliability of fixation.
[0026] Embodiment 1:
[0027] The present embodiment provides an auxiliary adjustment bracket of a post-processing system, which is connected to an engine housing 2, and includes: a bracket platform 1, which is fixed on the top of the engine housing 2, the bracket platform 1 is a flat plate structure, and the top surface of the bracket platform 1 is parallel to the horizontal plane; a first bracket foot 3, the bottom end of the first bracket foot 3 is fixed on the top surface of the bracket platform 1, the first bracket foot 3 includes a first clamp 31, the first clamp 31 is a circular ring structure, the first clamp 31 is arranged at the top of the first bracket foot 3, and the symmetry axis of the first clamp 31 is arranged parallel to the horizontal plane; a second bracket foot 4, the bottom end of the second bracket foot 4 is fixed to the top surface of the bracket platform 1, the first bracket foot 3 includes a first clamp 31, the first clamp 31 is a circular ring structure, the first clamp 31 is arranged at the top of the first bracket foot 3, and the symmetry axis of the first clamp 31 is arranged parallel to the horizontal plane; The end is fixed on the top surface of the support platform 1, the second support foot 4 includes a second clamp 41, the second clamp 41 is a circular ring structure, the second clamp 41 is arranged at the top of the second support foot 4, and the symmetry axis of the second clamp 41 is arranged parallel to the horizontal plane; wherein the symmetry axis of the first clamp 31 is arranged perpendicular to the symmetry axis of the second clamp 41; preferably, it also includes an adjusting part 5, one end of the adjusting part 5 is connected to the bottom of the support platform 1, and the other end is connected to the top of the engine casing 2, the adjusting part 5 includes an adjusting screw and a supporting gasket, and the adjusting screw is used to adjust the height of the support platform 1.
[0028] Specifically, Figure 1-4 As shown, in order to solve the problem that the coplanarity of the existing post-processing system bracket cannot be adjusted, gaps appear in the post-processing device, and the air tightness is affected, the first bracket foot 3 and the second bracket foot 4 are arranged on the top surface of the horizontal plate-shaped bracket platform 1. The bracket feet are fixed with a clamp at the upper end to limit the position of the post-processing device and provide a space for the post-processing device to adjust the coplanarity; as shown Figure 4 The symmetry axis shown by the dotted line, the symmetry axis of the clamp is vertically arranged, so that the post-processing device can move along the symmetry axis of the clamp, the first clamp 31 provides the post-processing device with the degree of freedom of movement in the x-axis direction, and the second clamp 41 provides the degree of freedom in the y-direction, so that multiple post-processing devices can be flexibly changed in position in three-dimensional space and the connection air tightness of the post-processing device pipeline can be adjusted; please continue to refer to Figure 4 The symmetry axis of the clamp is arranged vertically, which can also prevent the post-processing devices from being arranged in the same direction and occupying a larger space, so as to save the limited space in the engine compartment.
[0029] The adjustment part 5 includes an adjustment screw and a support washer. The adjustment screw is screwed into a screw hole provided in the engine housing 2 to adjust the z-axis position of the post-processing device. The support washer is used to provide a supporting force for fixing the adjustment screw.
[0030] As a preferred implementation manner of the present embodiment, the auxiliary adjustment bracket of the post-processing system further includes a first post-processing device 6, which is a cylindrical structure, the shape and size of the first clamp 31 are matched with the side shape and size of the first post-processing device 6, and the first post-processing device 6 is movably connected to the inner wall of the first clamp 31; and further includes a second post-processing device 7, which is a cylindrical structure, the shape and size of the second clamp 41 are matched with the side shape and size of the second post-processing device 7, and the second post-processing device 7 is movably connected to the inner wall of the second clamp 41; wherein the axis of symmetry of the first clamp 31 is set higher than the axis of symmetry of the second clamp 41.
[0031] Specifically, the post-processing device is configured as an overall cylindrical structure, so that the post-processing device can move in coordination with the shape of the clamp; the purpose of the symmetry axis of the first clamp 31 being higher than the symmetry axis of the second clamp 41 is that the exhaust gas flows from the second post-processing device 7 to the first post-processing device 6, and the principle of the rise of hotter gas with lower density is utilized to facilitate the exhaust gas to flow in the correct direction.
[0032] As a preferred implementation manner of this embodiment, it also includes a bracket side plate 8, and the bracket side plate 8 is arranged perpendicular to the bracket platform 1; preferably, the bracket side plate 8 includes a long waist hole 81, and the second post-processing device 7 is fixed to the long waist hole 81.
[0033] Specifically, Figure 4 As shown, the long waist hole 81 is provided to facilitate the firm fixation of the second post-processing device 7 . The bottom of the second post-processing device 7 is fixed by the second clamp 41 , and the side is fixed to the long waist hole 81 by bolts.
[0034] As a preferred implementation mode of this embodiment, the auxiliary adjustment bracket of the after-treatment system also includes an air pipeline 9 for transmitting combustion exhaust gas; preferably, one or more of the air pipelines 9 are connected to the first after-treatment device 6 at one end and connected to the second after-treatment device 7 at the other end; preferably, it also includes a filter 10, one or more air pipelines 9 are connected to the filter 10 at one end and connected to the air intake end of the engine casing 2 at the other end; the after-treatment system is connected to the air pipeline 9, and the filter 10 is connected to the air intake of the engine.
[0035] Specifically, in order to adjust the exhaust gas emission route, the air pipeline 9 is set, and the air enters the engine air intake through the filter 10, enters the second post-processing device 7 from the engine exhaust port for treatment, and then enters the first post-processing device 6 through the air pipeline 9 and is discharged, thereby reducing the emission of harmful gases.
[0036] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of illustration and illustration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the utility model and various different options and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.
Claims
1. An auxiliary adjustment bracket of an aftertreatment system, connected to an engine casing, characterized in that: include: A support platform is fixed on the top of the engine housing, the support platform is a flat plate structure, and the top surface of the support platform is parallel to the horizontal plane; A first bracket foot, wherein the bottom end of the first bracket foot is fixed to the top surface of the bracket platform, the first bracket foot comprises a first clamp, the first clamp is a circular ring structure, the first clamp is arranged at the top of the first bracket foot, and the symmetry axis of the first clamp is arranged parallel to the horizontal plane; A second bracket foot, wherein the bottom end of the second bracket foot is fixed to the top surface of the bracket platform, the second bracket foot comprises a second clamping hoop, the second clamping hoop is a circular ring structure, the second clamping hoop is arranged at the top of the second bracket foot, and the symmetry axis of the second clamping hoop is arranged parallel to the horizontal plane; Wherein, the symmetry axis of the first clamp is arranged perpendicular to the symmetry axis of the second clamp.
2. The auxiliary adjustment bracket of the post-processing system according to claim 1, characterized in that: It also includes an adjusting part, one end of which is connected to the bottom of the support platform and the other end is connected to the top of the engine casing. The adjusting part includes an adjusting screw, and the adjusting screw is used to adjust the height of the support platform.
3. The auxiliary adjustment bracket of the post-processing system according to claim 1, characterized in that: It also includes a first post-processing device, which is a cylindrical structure. The shape and size of the first hoop are matched with the side shape and size of the first post-processing device. The first post-processing device is movably connected to the inner wall of the first hoop.
4. The auxiliary adjustment bracket of the post-processing system according to claim 3, characterized in that: It also includes a second post-processing device, which is a cylindrical structure, the shape and size of the second hoop are matched with the shape and size of the side of the second post-processing device, and the second post-processing device is movably connected to the inner wall of the second hoop; Wherein, the symmetry axis of the first clamp is arranged higher than the symmetry axis of the second clamp.
5. The auxiliary adjustment bracket of the post-processing system according to claim 4, characterized in that: It also includes a support side plate, which is arranged perpendicular to the support platform.
6. The auxiliary adjustment bracket of the post-processing system according to claim 5, characterized in that: The bracket side plate includes a long waist hole, and the second post-processing device is fixed to the long waist hole.
7. The auxiliary adjustment bracket of the post-processing system according to claim 6, characterized in that: Also included is a gas transmission pipeline for transmitting combustion exhaust gas.
8. The auxiliary adjustment bracket of the post-processing system according to claim 7, characterized in that: One end of one or more of the gas transmission pipelines is connected to the first post-processing device, and the other end is connected to the second post-processing device.
9. The auxiliary adjustment bracket of the post-processing system according to claim 7, characterized in that: It also includes a filter, one end of one or more air delivery pipelines is connected to the filter, and the other end is connected to the air intake end of the engine casing.
10. The auxiliary adjustment bracket of the post-processing system according to claim 9, characterized in that: The filter is communicated with an air intake port of the engine.