Novel non-road tractor post-processing protective cover

Abstract

The utility model provides a novel non-road tractor post-treatment protective cover which comprises a first protective cover and a second protective cover, and the first protective cover and the second protective cover are installed on the surface of a tail gas post-treatment device. A heat insulation pad is arranged at a surface electric appliance element mounting position of the tail gas postprocessor, and a wire harness is connected with a surface electric appliance element of the tail gas postprocessor; and an exhaust pipe is installed at one end of the tail gas postprocessor, third protective covers are symmetrically installed on the side wall of the exhaust pipe, and a fixing shell is installed between the first protective cover and the third protective cover and between the second protective cover and the third protective cover. The novel non-road tractor post-processing protective cover has the advantage that the fire risk is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas treatment, in particular to a novel off-road tractor after-treatment protective cover. Background Art

[0002] Diesel engines are the core power equipment of non-tractors. During operation, they emit exhaust gases containing components such as NOx and PM. If these exhaust gases are not properly treated, they will inevitably cause environmental pollution. Diesel engine aftertreatment technology refers to the technology that filters, cleans, and purifies diesel engine exhaust gases. The purpose is to reduce the content of harmful substances in the emissions to ensure that they meet environmental standards.

[0003] The working environment of a tractor is changeable and complex, and it is easy to come into contact with flammable materials. Dead branches, weeds and other flammable debris are more likely to accumulate on the exhaust gas after-processor. When the exhaust gas enters the exhaust gas after-processor, the surface temperature of the exhaust gas after-processor becomes too high, which can easily create a fire hazard.

[0004] Therefore, it is necessary to provide a new novel off-road tractor after-treatment protective cover to solve the above problems. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a novel off-road tractor after-treatment protective cover which reduces the risk of fire.

[0006] In order to solve the above technical problems, the new off-road tractor after-processing protective cover provided by the utility model includes: a first protective cover and a second protective cover, the first protective cover and the second protective cover are installed on the surface of the exhaust gas after-processor; a thermal insulation pad is provided at the installation location of the surface electrical components of the exhaust gas after-processor, and a wiring harness is connected to the surface electrical components of the exhaust gas after-processor; an exhaust pipe is installed at one end of the exhaust gas after-processor, and a third protective cover is symmetrically installed on the side wall of the exhaust pipe, and a fixing shell is installed between the first protective cover, the second protective cover and the third protective cover.

[0007] Preferably, the exhaust gas after-processor and the side wall of the exhaust pipe are welded with an X-shaped bracket, and the bracket is connected to the first protective cover, the second protective cover and the third protective cover by bolts.

[0008] Preferably, the first protective cover, the second protective cover and the third protective cover are all semi-annular structures.

[0009] Preferably, a fourth protective cover is fixed to the surface of the first protective cover by bolts, the wiring harness is located inside the fourth protective cover, and a plurality of funnel-shaped through holes are obliquely provided on the surface of the fourth protective cover.

[0010] Preferably, a plurality of elastic plates are installed on the surface of the thermal insulation pad, and the elastic plates are fixed to the surface of the first protective cover by screws.

[0011] Preferably, a groove is provided on the surface of the first protective cover, and the thermal insulation pad is located inside the groove.

[0012] Preferably, the fixed shell is funnel-shaped, and the fixed shell is fixed to the first protective cover, the second protective cover and the third protective cover by bolts, and the inclination angle of the surface of the fixed shell is 95° to 115°.

[0013] Compared with the related art, the new off-road tractor post-processing protective cover provided by the present utility model has the following beneficial effects:

[0014] The utility model provides a novel off-road tractor after-treatment protective cover, wherein the first protective cover and the second protective cover completely cover and protect the exhaust gas after-processor, and the third protective cover protects the surface of the exhaust pipe, which effectively solves the fire problem caused by the penetration and accumulation of debris and foreign matter when the tractor works in different working environments; a heat insulation pad is provided at the surface electrical component installation position of the exhaust gas after-processor, and the heat around the electrical component is quickly transferred outward by the heat insulation pad, effectively reducing the influence of the surface temperature of the exhaust gas after-processor on the electrical component when the exhaust gas after-processor works, and the fourth protective cover is installed on the surface of the heat insulation pad, and the wiring harness is located inside the fourth protective cover. A plurality of through holes are provided on the surface of the fourth protective cover, which increases the heat exchange capacity inside the fourth protective cover and effectively reduces the surface temperature of the wiring harness and electrical components; the overall structural design of the device is compact, beautiful, and miniaturized, which can be better adapted to the tractor vehicle and improve customer satisfaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a new off-road tractor after-treatment protective cover provided by the utility model;

[0016] Figure 2 for Figure 1 The schematic diagram of the installation of the first protective cover shown;

[0017] Figure 3 A schematic diagram of the wiring harness structure provided by the utility model;

[0018] Figure 4 for Figure 1 The schematic diagram of the first protective cover structure shown;

[0019] Figure 5 for Figure 1 The schematic diagram of the second protective cover structure shown;

[0020] Figure 6 for Figure 1 Schematic diagram of the fixed shell structure shown;

[0021] Figure 7 for Figure 1 Schematic diagram of the internal structure of the fourth protective cover is shown.

[0022] Numbers in the figure: 1. first protective cover, 2. second protective cover, 3. fixed shell, 4. third protective cover, 5. exhaust pipe, 6. fourth protective cover, 61. through hole, 7. exhaust gas after-processor, 8. bracket, 9. thermal insulation pad, 10. wiring harness, 11. elastic plate, 12. groove. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0024] See also Figures 1 to 7 , Figure 1 A schematic structural diagram of a preferred embodiment of a new off-road tractor after-treatment protective cover provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the installation of the first protective cover shown; Figure 3 A schematic diagram of the wiring harness structure provided by the utility model; Figure 4 for Figure 1 The schematic diagram of the first protective cover structure shown; Figure 5 for Figure 1 The schematic diagram of the second protective cover structure shown; Figure 6 for Figure 1 Schematic diagram of the fixed shell structure shown; Figure 7 for Figure 1The schematic diagram of the internal structure of the fourth protective cover is shown. The new off-road tractor after-treatment protective cover includes: a first protective cover 1 and a second protective cover 2, the first protective cover 1 and the second protective cover 2 are mounted on the surface of the exhaust gas after-processor 7; an exhaust pipe 5 is mounted on one end of the exhaust gas after-processor 7, and a third protective cover 4 is symmetrically mounted on the side wall of the exhaust pipe 5, and a fixed shell 3 is mounted between the first protective cover 1, the second protective cover 2 and the third protective cover 4; the fixed shell 3 is funnel-shaped, and the fixed shell 3 is fixed to the first protective cover 1, the second protective cover 2 and the third protective cover 4 by bolts, the first protective cover 1 and the second protective cover 2 completely cover the exhaust gas after-processor 7, and the third protective cover 4 covers the surface of the exhaust pipe 5. Protection, and the first protective cover 1 and the second protective cover 2 are engaged inside the bottom end of the fixed shell 3, and the third protective cover 4 is installed on the top of the fixed shell 3. The fixed shell 4 increases the stability and firmness of the first protective cover 1, the second protective cover 2 and the third protective cover 4 during the installation process, and effectively reduces the gap between the assemblies, so that the first protective cover 1 and the second protective cover 2 protect the exhaust gas after-processor 7, and the third protective cover 4 protects the exhaust pipe 5, thereby solving the fire problem caused by the penetration and accumulation of debris and foreign objects when the tractor works in different working environments; the inclination angle of the surface of the fixed shell 3 is 95° to 115°, which prevents the accumulation of dead branches, weeds and other debris during work.

[0025] The first protective cover 1, the second protective cover 2 and the third protective cover 4 are all semi-annular structures, so that the first protective cover 1 and the second protective cover 2 can be spliced ​​together to protect the exhaust gas after-processor 7, and the two third protective covers 4 can be spliced ​​together to protect the drain pipe 5.

[0026] The side walls of the exhaust gas after-processor 7 and the exhaust pipe 5 are welded with a cross-shaped bracket 8, and the bracket 8 is connected to the first protective cover 1, the second protective cover 2 and the third protective cover 4 by bolts, in order to facilitate the installation and fixation of the first protective cover 1, the second protective cover 2 and the third protective cover 4 respectively through multiple brackets 8.

[0027] The fourth protective cover 6 is fixed to the surface of the first protective cover 1 by bolts. The surface of the fourth protective cover 6 is inclined to provide a plurality of funnel-shaped through holes 61. The through holes 61 are inclined upward to effectively prevent dead branches, weeds and other debris from entering the interior of the through holes 61, reduce the probability of clogging of the through holes 61, and facilitate heat dissipation inside the fourth protective cover 6.

[0028] A thermal insulation pad 9 is provided at the surface electrical component installation location of the exhaust gas after-processor 7, and a wiring harness 10 is connected to the surface electrical components of the exhaust gas after-processor 7; a plurality of elastic plates 11 are installed on the surface of the thermal insulation pad 9, and the elastic plates 11 are fixed to the surface of the first protective cover 1 by screws. A groove 12 is provided on the surface of the first protective cover 1, and the thermal insulation pad 9 is located inside the groove 12; the heat around the electrical components is quickly transferred outwards by the thermal insulation pad 9, effectively reducing the impact of the surface temperature of the exhaust gas after-processor on the electrical components during operation; when installing the thermal insulation pad 9, a screw is threadedly connected through the elastic plate 11 and the first protective cover 1, fixing the thermal insulation pad 9 on the surface of the first protective cover 1, and the screw drives the elastic plate 11 to squeeze the thermal insulation cover 9 downward, so that the surface of the thermal insulation cover 9 is subjected to a certain pressure, thereby improving the thermal conductivity of the thermal insulation cover 9 and effectively reducing the surface temperature of the electrical components.

[0029] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A new type of off-road tractor after-treatment protective cover, characterized in that: include: A first protective cover (1) and a second protective cover (2), wherein the first protective cover (1) and the second protective cover (2) are mounted on the surface of an exhaust gas after-processor (7); a heat insulating pad (9) is provided at a location where electrical components on the surface of the exhaust gas after-processor (7) are mounted, and a wiring harness (10) is connected to the electrical components on the surface of the exhaust gas after-processor (7); An exhaust pipe (5) is installed at one end of the exhaust gas after-processor (7), a third protective cover (4) is symmetrically installed on the side wall of the exhaust pipe (5), and a fixing shell (3) is installed between the first protective cover (1), the second protective cover (2) and the third protective cover (4).

2. The novel off-road tractor after-treatment protective cover according to claim 1 is characterized in that: The exhaust gas after-processor (7) and the side wall of the exhaust pipe (5) are both welded with a "J"-shaped bracket (8), and the bracket (8) is connected to the first protective cover (1), the second protective cover (2) and the third protective cover (4) by bolts.

3. The novel off-road tractor after-treatment protective cover according to claim 1 is characterized in that: The first protective cover (1), the second protective cover (2) and the third protective cover (4) all have a semi-annular structure.

4. The novel off-road tractor after-treatment protective cover according to claim 1 is characterized in that: The surface of the first protective cover (1) is fixed with a fourth protective cover (6) by means of bolts, the wiring harness (10) is located inside the fourth protective cover (6), and a plurality of funnel-shaped through holes (61) are obliquely provided on the surface of the fourth protective cover (6).

5. The novel off-road tractor after-treatment protective cover according to claim 1 is characterized in that: A plurality of elastic plates (11) are installed on the surface of the thermal insulation pad (9), and the elastic plates (11) are fixed to the surface of the first protective cover (1) by screws.

6. The novel off-road tractor after-treatment protective cover according to claim 1 is characterized in that: A groove (12) is provided on the surface of the first protective cover (1), and the thermal insulation pad (9) is located inside the groove (12).

7. The novel off-road tractor after-treatment protective cover according to claim 1 is characterized in that: The fixed shell (3) is funnel-shaped, and the fixed shell (3) is fixed to the first protective cover (1), the second protective cover (2), and the third protective cover (4) by bolts, and the inclination angle of the surface of the fixed shell (3) is 95° to 115°.

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