Heavy truck tail gas after-treatment support
By designing a modular heavy-duty truck exhaust after-treatment bracket, integrating parts of multiple materials and functions, and through weight reduction design, the existing SCR exhaust treatment system is solved, and the problem of complex installation and excessive weight is achieved, achieving higher safety and simple assembly process.
Patent Information
- Application Number
- CN202420976836.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing SCR exhaust gas treatment system has complex installation, the parts are scattered, the weight is too large, and the safety factor is low. Once the parts have problems, the whole part needs to be disassembled and replaced, which is very inconvenient.
A modular heavy-duty truck exhaust after-treatment bracket is designed, which integrates parts of various materials and functions on one body, and reduces weight through weight reduction holes and weight reduction grooves while ensuring structural strength. It adopts integrated casting to simplify the assembly process.
The single weight of the bracket is reduced by 32%, the safety factor is increased by 19.5%, the assembly process is simple, and it is easy to assemble in one go, which speeds up the production pace and meets the production needs of lightweight cars.
Smart Images
Figure CN222797573U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of truck exhaust gas treatment equipment, and in particular relates to an exhaust gas post-treatment bracket applied to a heavy truck engine. Background Art
[0002] National VI engine refers to an engine that meets the National VI emission standards. The exhaust gas emitted by automobile engines contains harmful gases such as carbon monoxide, hydrocarbons, nitrogen oxides, PM, etc., which are all harmful gases produced by the engine during the combustion process. Compared with National V standard gasoline and diesel, National VI oil products have a 50% reduction in carbon monoxide emissions, a 50% reduction in total hydrocarbon and non-methane total hydrocarbon emission limits, and a 42% reduction in nitrogen oxide emissions. Moreover, compared with National V, National VI has a lower content of undesirable components, which can effectively reduce engine carbon deposits and greatly reduce damage to vehicles and machinery. At the same time, the density of gasoline is maintained within the range of 740-745 kg / cubic meter, and the density of diesel is maintained within the range of 830-835 kg / cubic meter, which not only ensures the power of the vehicle but also reduces the maintenance cost of the vehicle.
[0003] The National VI engine will still produce exhaust gas when working, and the exhaust gas needs to be post-processed and is often equipped with an SCR exhaust treatment system. At present, the installation of the SCR exhaust treatment system requires the coordinated installation of multiple components. The layout of components made of various materials and with various functions is relatively scattered, the installation process is complicated, the weight of the product after molding is too large, and the safety factor is low. Once a problem occurs with a component, in most cases the entire part needs to be disassembled and replaced, which is very inconvenient. Utility Model Content
[0004] In order to solve the technical problems existing in the prior art, the utility model provides an exhaust gas after-treatment bracket applied to National VI trucks, which has small unit weight, high stability and simple assembly process.
[0005] To achieve the above purpose, the technical solution adopted by the utility model is: a heavy truck exhaust after-treatment bracket, including a main body, the upper section of the main body is arranged obliquely relative to the lower section, the upper section and the lower section of the main body are smoothly connected, the upper section of the front side of the main body is provided with a first mounting platform, the first mounting platform is a strip structure, the corners of the first mounting platform are rounded, and a plurality of threaded holes are opened on the first mounting platform, and the plurality of threaded holes are arranged at equal intervals along the height direction of the first mounting platform. In order to further reduce the weight of the entire bracket, without affecting the strength of the main body structure, a first weight-reducing through hole is provided in the lower section of the front side of the main body along the structure of the main body, and the first weight-reducing through hole runs through the main body.
[0006] A second mounting platform and a first weight-reducing groove are provided on one side of the main body. The first weight-reducing groove is arranged below the second mounting platform. Four second bosses are provided on the second mounting platform. Adjacent second bosses are connected by arc segments. Each second boss is provided with a threaded hole.
[0007] In order to further reduce the weight of the entire main body, without affecting the strength of the main body structure, a second weight-reducing through hole is opened on the second mounting platform. The second weight-reducing through hole runs through the main body, and the inner corners of the second weight-reducing through hole are rounded.
[0008] A second weight-reducing groove is provided on the other side of the main body, and the second weight-reducing groove is arranged below the second mounting platform.
[0009] A third mounting platform is provided at the bottom of the main body, and the third mounting platform is arranged at the bottom of the first weight-reducing through hole. A plurality of third bosses are provided on the third mounting platform, and the plurality of third bosses are arranged at equal intervals along the width direction of the third mounting platform. The outer sides of adjacent third bosses are smoothly connected by arc segments, and riveting holes are opened on the third bosses.
[0010] A fourth mounting platform is arranged on the back side of the main body, a plurality of threaded holes are opened on the fourth mounting platform, a plurality of cylindrical protrusions are arranged perpendicular to the fourth mounting platform.
[0011] A fifth mounting platform is provided at the bottom of the main body, the fifth mounting platform is arranged at the bottom of the second weight-reducing groove, and a riveting hole is opened on the fifth mounting platform.
[0012] The first weight-reducing through hole is arranged below the first mounting platform, the first weight-reducing through hole is arranged in the lower section of the main body, the inner corners of the first weight-reducing through hole are rounded, the first weight-reducing through hole is a small-at-top-and-large-at-bottom structure, the first weight-reducing through hole is arranged along the structure of the main body, and in order to improve the bearing capacity of the first weight-reducing through hole, a reinforcing rib plate is provided inside the first weight-reducing through hole.
[0013] The first weight reducing groove is a structure that is small at the top and large at the bottom. The inner angles of the first weight reducing groove are rounded. The upper section of the first weight reducing groove is a first strip groove, which is arranged vertically. The lower section of the first weight reducing groove is a first triangular groove, which is smoothly connected to the first strip groove.
[0014] The second weight reducing groove is a structure that is small at the top and large at the bottom. The inner angles of the second weight reducing groove are rounded. The upper section of the second weight reducing groove is a second strip groove, which is arranged vertically. The lower section of the second weight reducing groove is a second triangular groove, which is smoothly connected to the second strip groove and the second triangular groove.
[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model adopts a modular design concept, integrates parts of various materials and functions into one main body, and through one-piece casting, the unit weight of the product is reduced by 32%, the safety factor is increased by 19.5%, the entire assembly process is simple and convenient, and the assembly is completed in one go, which speeds up the production rhythm. In addition, the utility model arranges multiple weight-reducing holes and weight-reducing grooves according to the structure of the product, and further reduces the overall weight while ensuring the strength of the entire structure, meeting the production needs of lightweight vehicles. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The three-dimensional Figure 1 .
[0017] Figure 2 The three-dimensional Figure 2 .
[0018] Figure 3 It is the front view of the utility model.
[0019] Figure 4 It is a left view of the utility model.
[0020] Figure 5 It is the right view of the utility model.
[0021] Figure 6 It is a top view of the utility model.
[0022] Figure 7 It is a bottom view of the utility model.
[0023] In the figure, 1 is the main body, 2 is the first mounting platform, 3 is the first weight-reducing through hole, 31 is the reinforcing rib plate, 4 is the second mounting platform, 41 is the second boss, 42 is the second weight-reducing through hole, 5 is the first weight-reducing groove, 51 is the first strip groove, 52 is the first triangular groove, 6 is the second weight-reducing groove, 61 is the second strip groove, 62 is the second triangular groove, 7 is the third mounting platform, 71 is the third boss, 8 is the fourth mounting platform, 81 is the cylindrical protrusion, and 9 is the fifth mounting platform. DETAILED DESCRIPTION
[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0025] like Figure 1-7As shown, a heavy-duty truck exhaust gas after-treatment bracket includes a main body 1, and the upper section of the main body 1 is arranged at an angle relative to the lower section to meet the requirements of the installation space. The upper section and the lower section of the main body 1 are smoothly connected, and a first mounting platform 2 is provided on the upper section of the front side of the main body 1. The first mounting platform 2 is a strip structure, and the corners of the first mounting platform 2 are rounded. The first mounting platform 2 is provided with a plurality of threaded holes, and the plurality of threaded holes are arranged at equal intervals along the height direction of the first mounting platform 2. In order to further reduce the weight of the entire bracket, without affecting the structural strength of the main body 1, a first weight-reducing through hole 3 is provided on the lower section of the front side of the main body 1 along the structure of the main body 1, and the first weight-reducing through hole 3 is set through the main body 1.
[0026] The first weight-reducing through hole 3 is arranged below the first mounting platform 2, and the first weight-reducing through hole 3 is arranged in the lower section of the main body 1. The inner corners of the first weight-reducing through hole 3 are rounded, and the first weight-reducing through hole 3 is a structure that is small at the top and large at the bottom. The first weight-reducing through hole 3 is arranged along the structure of the main body 1. In order to improve the bearing capacity of the first weight-reducing through hole 3, a reinforcing rib plate 31 is provided inside the first weight-reducing through hole 3.
[0027] A second mounting platform 4 and a first weight-reducing groove 5 are provided on one side of the main body 1. The first weight-reducing groove 5 is arranged below the second mounting platform 4. Four second bosses 41 are provided on the second mounting platform 4. Adjacent second bosses 41 are connected by arc segments. Each second boss 41 is provided with a threaded hole.
[0028] The first weight-reducing groove 5 is a structure that is small at the top and large at the bottom. The inner corners of the first weight-reducing groove 5 are rounded. The upper section of the first weight-reducing groove 5 is a first strip groove 51, and the first strip groove 51 is arranged along the upper structure of the main body 1. The lower section of the first weight-reducing groove 5 is a first triangular groove 52, and the first triangular groove 52 is arranged along the lower structure of the main body 1. The first strip groove 51 and the first triangular groove 52 are smoothly connected.
[0029] In order to further reduce the weight of the entire main body 1, without affecting the structural strength of the main body 1, a second weight-reducing through hole 42 is opened on the second mounting platform 4. The second weight-reducing through hole 42 runs through the main body 1, and the inner corners of the second weight-reducing through hole 42 are rounded.
[0030] A second weight-reducing groove 6 is provided on the other side of the main body 1, and the second weight-reducing groove 6 is arranged below the second mounting platform 4. The second weight-reducing groove 6 is a structure that is small at the top and large at the bottom, and the inner corners of the second weight-reducing groove 6 are all rounded, and the upper section of the second weight-reducing groove 6 is a second strip groove 61, which is arranged along the upper section structure of the main body 1, and the lower section of the second weight-reducing groove 6 is a second triangular groove 62, which is arranged along the lower section structure of the main body 1, and the second strip groove 61 is smoothly connected to the second triangular groove 62.
[0031] A third mounting platform 7 is provided at the bottom of the main body 1, and the third mounting platform 7 is arranged at the bottom of the first weight-reducing through hole 3. A plurality of third bosses 71 are provided on the third mounting platform 7. The plurality of third bosses 71 are arranged at equal intervals along the width direction of the third mounting platform 7. The outer sides of adjacent third bosses 71 are smoothly connected by arc segments, and riveting holes are opened on the third bosses 71.
[0032] A fourth mounting platform 8 is provided on the back side of the main body 1 . A plurality of threaded holes are formed on the fourth mounting platform 8 . A plurality of cylindrical protrusions 81 are provided on the fourth mounting platform 8 . The cylindrical protrusions 81 are arranged perpendicular to the fourth mounting platform 8 .
[0033] A fifth mounting platform 9 is provided at the bottom of the main body 1 . The fifth mounting platform 9 is arranged at the bottom of the second weight-reducing groove 6 . Riveting holes are opened on the fifth mounting platform 9 .
[0034] The utility model adopts a modular design concept, integrating parts of various materials and functions into a main body 1. After integral casting, the unit weight of the product is reduced by 32%, the safety factor is increased by 19.5%, the entire assembly process is simple and convenient, and the assembly is completed in one go, which speeds up the production rhythm. In addition, the utility model arranges multiple weight-reducing holes and weight-reducing grooves according to the structure of the product, further reducing the overall weight while ensuring the strength of the entire structure, meeting the production needs of lightweight vehicles.
[0035] During the actual installation process, the bolts are connected to the SCR exhaust treatment system after passing through the threaded holes on the first mounting platform 2 and the fourth mounting platform 8. The cylindrical protrusion 81 plays an initial positioning role for the SCR exhaust treatment system. The second mounting platform 4 is connected to the exhaust radar warning device by bolts, and the third mounting platform 7 is riveted to the frame by multiple rivets, thereby finally fixing the SCR exhaust treatment system to the frame.
[0036] In the description of the present embodiment, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the scope of the present invention.
Claims
1. A heavy truck exhaust aftertreatment bracket, characterized in that: It comprises a main body (1), wherein the upper section of the front side of the main body (1) is provided with a first mounting platform (2), a plurality of threaded holes are formed on the first mounting platform (2), and the lower section of the front side of the main body (1) is provided with a first weight-reducing through hole (3) penetrating the main body (1); A second mounting platform (4) and a first weight-reducing groove (5) are provided on one side of the main body (1); the first weight-reducing groove (5) is arranged below the second mounting platform (4); four second bosses (41) are provided on the second mounting platform (4); adjacent second bosses (41) are connected via arc segments; each second boss (41) is provided with a threaded hole; and a second weight-reducing through hole (42) is provided on the second mounting platform (4); A second weight-reducing groove (6) is provided on the other side of the main body (1), and the second weight-reducing groove (6) is arranged below the second mounting platform (4); A third mounting platform (7) is provided at the bottom of the main body (1), the third mounting platform (7) is arranged at the bottom of the first weight-reducing through hole (3), a plurality of third bosses (71) are provided on the third mounting platform (7), adjacent third bosses (71) are smoothly connected, and a rivet hole is provided on the third bosses (71); A fourth mounting platform (8) is provided on the back side of the main body (1), a plurality of threaded holes are formed on the fourth mounting platform (8), and a plurality of cylindrical protrusions (81) are provided on the fourth mounting platform (8); A fifth mounting platform (9) is provided at the bottom of the main body (1), the fifth mounting platform (9) is arranged at the bottom of the second weight-reducing groove (6), and a riveting hole is provided on the fifth mounting platform (9).
2. A heavy truck exhaust after-treatment bracket according to claim 1, characterized in that: The first weight-reducing through hole (3) is arranged below the first mounting platform (2); the first weight-reducing through hole (3) is a structure that is small at the top and large at the bottom; a reinforcing rib plate (31) is provided inside the first weight-reducing through hole (3).
3. The heavy truck exhaust after-treatment bracket according to claim 1, characterized in that: The first weight-reducing groove (5) is a structure that is smaller at the top and larger at the bottom; the upper section of the first weight-reducing groove (5) is a first strip groove (51); the lower section of the first weight-reducing groove (5) is a first triangular groove (52); and the first strip groove (51) and the first triangular groove (52) are smoothly connected.
4. The heavy truck exhaust after-treatment bracket according to claim 1, characterized in that: The second weight-reducing groove (6) is a structure that is smaller at the top and larger at the bottom; the upper section of the second weight-reducing groove (6) is a second strip groove (61); the lower section of the second weight-reducing groove (6) is a second triangular groove (62); and the second strip groove (61) and the second triangular groove (62) are smoothly connected.