CN218493665U

CN218493665U - Supporting-protecting device and engineering machinery

Info

Publication number: CN218493665U
Application number: CN202221824291.2U
Authority: CN
Inventors: 王聪聪; 张伟; 杨丕珠; 庄明磊
Original assignee: Caterpillar Inc
Current assignee: Caterpillar Inc
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-02-17
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to a supporting-protector (1), it is used for the engine exhaust processing apparatus of engineering machine tool, wherein, this supporting-protector includes: a main body bracket (2) of one-piece welded construction and having a first side (21); a shroud frame (3) mounted to the first side of the body mount (2); and a grid plate (4) fixedly mounted to the shroud frame (3); wherein a mounting point (220) for mounting the engine exhaust gas treatment device is defined at the first side of the main body bracket (2), and the shroud frame (3) and the grid plate (4) constitute a shroud (5) adapted to surround the engine exhaust gas treatment device. The utility model discloses still relate to an engineering machine tool, it includes above-mentioned supporting-protector (1) that is used for engine exhaust treatment device.

Description

Supporting-protecting device and engineering machinery

Technical Field

The utility model relates to an engineering machine tool's engine exhaust processing system technical field, concretely relates to a supporting-protector for engine exhaust processing apparatus.

Background

With the implementation of the national IV engine emission regulation in the field of engineering machinery, the engine tail gas treatment device becomes the key point of research and development of numerous enterprises.

Based on the installation requirement of the current wide-body state IV engine on the tail gas treatment device, the vertical cantilever is installed on the upper side of the platform, and high requirements are provided for an installation support and protection. In particular, the strength requirements for the cantilever structure are higher.

The current need provides a novel mounting means for IV engine exhaust treatment device in state.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a supporting-protection device for the tail gas treatment device of engine, it can satisfy the demand of being convenient for install, easy access and maintenance when satisfying to provide protection, heat dissipation to the engine tail gas treatment device.

To this end, the present invention provides a support-guard device for an engine exhaust gas treatment device of an engineering machine, wherein the support-guard device includes: the main body support is of an integrated welding structure and is provided with a first side; a shroud frame mounted to the first side of the body mount; and a grid plate removably fixedly mounted to the shroud frame; wherein a first mounting point for mounting the engine exhaust gas treatment device is defined on the first side of the main body bracket, and the shroud frame and the grid plate constitute a shroud adapted to surround the engine exhaust gas treatment device.

Here, the grid plate adopts removable, especially quick detach formula's grid plate to can not only satisfy tail gas processing apparatus and protect, dispel the heat, can also the easy access maintenance.

According to the utility model discloses a scheme, the main part support still is equipped with the mounting hole for with near this main part support fixed mounting to engineering machine's platform automobile body support.

According to an aspect of the present invention, the supporting-protecting device further includes a cover plate fixedly installed to the main body support and aligned with the platform, so that the height of the cover plate is kept consistent with the platform, and the maintenance space of the platform can be maximally utilized.

In a preferred embodiment of the present invention, the main body support includes a rectangular frame composed of a first upright, a second upright, a first horizontal pole and a second horizontal pole, a third horizontal pole connected to the lower end of the first upright and a fourth horizontal pole connected to the lower end of the second upright on a plane where the rectangular frame is located, a first support rod connected between the first upright and the third horizontal pole and a second support rod connected between the second upright and the third horizontal pole, wherein the first upright, the third horizontal pole and the first support rod constitute a triangular structure, and the second upright, the third horizontal pole and the second support rod constitute a triangular structure. The triangular structure increases the strength of the main body bracket.

In a preferred aspect of the present invention, the main body support further includes a first middle pillar and a second middle pillar disposed between the first pillar and the second pillar, and a support plate, the support plate defining four first mounting points for mounting the engine exhaust gas treatment device.

According to the utility model discloses a preferred scheme, first stand the second stand first middle standing pillar the second middle standing pillar first spreader the second spreader the third spreader with the cross section of fourth spreader is the square and is hollow cylinder. The cross sections of the upright columns and the cross columns are selected to be hollow squares, so that the strength of the main body support can be ensured, and materials can be saved.

In a preferred embodiment of the present invention, the main body support further has a second side opposite to the first side, and two mounting brackets are provided on the second side, and the two mounting brackets are connected to the first horizontal pole with a space therebetween and define four second mounting points for mounting the expansion tank.

In one aspect of the present invention, the guard frame includes a U-shaped back plate, a supporting rib plate, and four grid plates, wherein the U-shaped back plate is fixedly mounted to the main body bracket, the supporting rib plate defines the top surface, the front surface, and two sides of the guard frame, four grid plates are respectively fixedly mounted to the top surface, the front surface, and the two sides. The number of grating plates is here merely exemplary, and one, two or three grating plates may be chosen, which are within the scope of the present application.

According to the utility model discloses an aspect still provides an engineering machine tool, includes the supporting-protector that is used for engine exhaust processing apparatus.

Therefore, according to the supporting-protecting device of the utility model, the main bracket adopts an integrated welding structure, which provides a high-strength support for the tail gas treatment device; adopt removable, especially quick detach formula grid board, can satisfy and provide protection and radiating when tail gas processing apparatus, can also conveniently overhaul.

Drawings

Additional features and advantages of the invention will be set forth in part in the description which follows, and in part will be apparent to those having ordinary skill in the art upon examination of the following, or may be learned from the practice of the invention. Wherein

Fig. 1 shows a perspective view of one side of a support-guard according to one embodiment of the present invention;

FIG. 2 shows a perspective view of the other side of the support-guard of FIG. 1;

fig. 3 shows a perspective view of one side of a body support according to one embodiment of the present invention;

FIG. 4 shows a perspective view of the other side of the body mount of FIG. 3;

fig. 5 shows a perspective view of a shroud frame according to an embodiment of the present invention;

fig. 6 shows a perspective view of the body support and the shroud frame assembled together according to an embodiment of the present invention; and

fig. 7 shows a view of a cover plate according to an embodiment of the invention.

Detailed Description

Exemplary embodiments of the present invention are described in detail below. The exemplary embodiments of the support-guard device described below and illustrated in the drawings are intended to teach the principles of the invention, enabling those skilled in the art to implement and use the invention in a number of different environments and for a number of different applications. Accordingly, the exemplary embodiments are not intended to, and should not be considered as, limiting the scope of the invention.

In this document, the terms "upper", "lower" and "lower" refer to above and below in the drawings, and an "up-down" direction in the drawings constitutes a vertical direction, and a direction perpendicular to the vertical direction indicates a "horizontal" direction.

Fig. 1 and 2 show an embodiment of a support-guard device 1 for an engine exhaust gas treatment device (not shown) of a construction machine according to the present invention. As can be seen from the drawing, the support-guard device 1 includes a main body frame 2, a shroud frame 3 mounted to a first side 21 of the main body frame 2 and a cover plate 6 mounted to a second side 22 of the main body frame 2, and four grid plates 4 detachably fixed to the shroud frame 3. The shroud frame 3 includes a U-shaped back plate 31 adapted to be fixed to the main body frame 2 and support rib plates 32 (see fig. 5) defining a top face, a front face and two side faces of the shroud frame 3, to which four grid plates 4 are respectively mounted. The shroud frame 3 and the grid plate 4 constitute a shroud 5 adapted to surround the engine exhaust gas treatment device. It should be understood that the number of grid plates 4 is exemplary and that the option of providing one, two or four grid plates 4 is feasible.

In the above embodiment, referring to fig. 3 and 4, the main body bracket 2 is of an integral welding structure and has high strength. Four first mounting points 220 for mounting an engine exhaust gas treatment device are defined on a first side 21 of the main body bracket 2 and four second mounting points 230 for mounting an expansion tank are defined on a second side of the main body bracket 2. Referring to fig. 6, the U-shaped design of the back plate of the shroud frame 3, when mounted to the body mount 2, exposes the four first mounting points 220 to facilitate mounting of the engine exhaust gas treatment device.

In the above embodiment, the main body frame 2 is further provided with mounting holes (not shown), and a vehicle body frame (not shown) near the platform of the construction machine is provided with corresponding mounting holes, so that the main body frame 2, and thus the support-and-guard device 1, is fastened to the vehicle body frame by means of threaded fasteners, such as bolts.

Referring again to fig. 3 and 4, in one embodiment, the main body frame 2 may include a rectangular frame 20 composed of a first upright 201, a second upright 202, a first cross-post 203 and a second cross-post 204, a third cross-post 205 connected to a lower end of the first upright 201 and a fourth cross-post 206 connected to a lower end of the second upright 202 perpendicular to a plane in which the rectangular frame 20 is located, and a first support rod 207 connected between the first upright and the third cross-post and a second support rod 208 connected between the second upright and the third cross-post. Wherein the main body frame 2 further comprises a first middle upright post 211 and a second middle upright post 212 arranged between the first upright post 201 and the second upright post 202, and a support plate 221 positioned between the first upright post 201 and the second upright post 202, and the support plate 221 is positioned outside the first middle upright post 211 and the second middle upright post 212. As can be seen in fig. 4, the support plate 221 defines four first mounting points 220 for mounting the engine exhaust gas treatment device, which may be arranged in a square configuration. It should be understood that the number of mounting points is merely exemplary and that other suitable numbers of mounting points are contemplated as falling within the scope of the present application. Here, the first vertical column, the third cross column and the first support rod form a triangular structure, and the second vertical column, the third cross column and the second support rod form a triangular structure. This configuration enhances the structural strength of the body support. Preferably, the first upright, the first intermediate upright, the second intermediate upright and the second upright may be evenly spaced apart from each other. Alternatively, only one center pillar may be provided. In an alternative embodiment, a fifth cross-post (not shown) may also be provided at the other end of the third and fourth cross-posts to form a stronger structure.

In the above embodiment, preferably, the cross sections of the first upright, the second upright, the first middle upright, the second middle upright, the first cross-post, the second cross-post, the third cross-post and the fourth cross-post are all square and all hollow cylinders. This configuration can save material cost while ensuring the strength of the main body bracket. The vertical and horizontal posts and the support rods may be made of a stainless steel material and fixed integrally by welding. The first and second support rods can also be hollow here, and their cross section can be round or square.

In the embodiment shown in fig. 1, the support-guard device 1 may be provided with two mounting brackets 23, the two mounting brackets 23 being connected to said first cross-post 203 in spaced apart relation and defining said four second mounting points 230 for mounting the expansion tank.

In an advantageous embodiment, see fig. 7, the side of the upright to which the cover plate 6 is to be mounted is provided with two recesses 60, the shape of which is adapted to the shape of the first and second intermediate upright, so that the position of the cover plate 6 can be adjusted in the direction of the first and second intermediate upright when mounting, so that the cover plate 6 can be mounted in alignment with the platform, i.e. in line with the height of the platform, when mounting it on the body frame 2, so that the maintenance space is maximally utilized.

Industrial applicability

The utility model discloses can be applied to the tail gas processing apparatus of wide body automobile state IV engine, support-protector 1 fixed mounting is to for example on the car body support near the platform on driver's cabin right side.

The assembly process according to the present invention is described below.

First, the main body frame 2 is fixed above the stage by bolting. The adjustable cover 6 is then mounted to the second side 22 of the body frame 2 and adjusted to a height consistent with the platform to maximize the use of the platform's service space.

The exhaust gas treatment device is then mounted to the first side 21 of the body frame 2 and the shroud frame 3 is then inserted into a fixed position on the body frame 2 from above the exhaust gas treatment device and fixedly attached to the body frame 2 by bolts (not shown).

Finally four grating plates 4 are mounted to the shroud frame, forming a shroud 5 for enclosing and protecting the exhaust gas aftertreatment device.

By providing the supporting-protecting device according to the utility model, the main bracket adopts an integrated welding structure, thereby providing a high-strength support for the tail gas treatment device; adopt quick detach formula grid board, can satisfy and provide protection and radiating while to tail gas treatment device, can also conveniently overhaul.

A variety of work machines, such as, for example, compactors, excavators, loaders, graders, dozers, off-highway trucks, etc., may benefit from the teachings disclosed herein.

It should be noted that the above description is only exemplary, and that various modifications and variations of the embodiments of the present invention can be made by those skilled in the art based on the above description, and all such modifications and variations are within the scope of the present invention.

Claims

1. A support-and-guard device (1) for an engine exhaust gas treatment device of a construction machine, characterized in that it comprises:

a main body bracket (2) of one-piece welded construction and having a first side (21);

a shield frame (3) mounted to the first side of the body mount (2); and

a grid plate (4) removably fixedly mounted to the shroud frame (3);

wherein a first mounting point (220) for mounting the engine exhaust gas treatment device is defined at the first side of the body bracket (2), the shroud frame (3) and the grid plate (4) constituting a shroud (5) adapted to surround the engine exhaust gas treatment device.

2. The support-and-guard device (1) according to claim 1, characterized in that the main body bracket (2) is further provided with mounting holes for fixedly mounting the main body bracket to a vehicle body bracket near a platform of a construction machine.

3. The support-guard (1) according to claim 2, further comprising a cover plate (6) fixedly mounted to the body bracket (2) by fasteners and aligned with the platform.

4. The support-and-guard device (1) according to any one of claims 1 to 3, characterized in that said main body bracket (2) comprises a rectangular frame (20) constituted by a first upright (201), a second upright (202), a first crosspiece (203) and a second crosspiece (204), a third crosspiece (205) connected to the lower end of said first upright (201) and a fourth crosspiece (206) connected to the lower end of said second upright (202) perpendicular to the plane of said rectangular frame (20), and a first support bar (207) connected between said first upright and said third crosspiece and a second support bar (208) connected between said second upright and said third crosspiece, wherein said first upright, said third crosspiece and said first support bar constitute a triangular structure, said second upright, said third crosspiece and said second support bar constitute a triangular structure.

5. The support-and-guard device (1) according to claim 4, characterized in that the body bracket (2) further comprises a first intermediate upright (211) arranged between said first upright (201) and said second upright (202), a second intermediate upright (212) and a support plate (221), the support plate (221) defining four first mounting points (220) for mounting said engine exhaust treatment device.

6. The bolster-and-guard device (1) according to claim 5, characterized in that the cross sections of the first upright (201), the second upright (202), the first intermediate upright (211), the second intermediate upright (212), the first cross-post (203), the second cross-post (204), the third cross-post (205) and the fourth cross-post (206) are all square and all hollow cylinders.

7. The support-and-guard device (1) according to claim 4, characterized in that said main body bracket (2) also has a second side (22) opposite to said first side (21), at which two mounting brackets (23) are provided, said two mounting brackets being connected to said first cross-post (203) in spaced apart relation and defining four second mounting points (230) for mounting an expansion tank.

8. The support-and-guard device (1) according to any one of claims 1 to 3, characterized in that said shroud frame (3) comprises a U-shaped back plate (31) fixedly mounted to said main body bracket, a support web (32) defining a top face, a front face and two side faces of said shroud frame (3), and four said grid plates (4) fixedly mounted to said top face, front face and two side faces, respectively.

9. A working machine, characterized by comprising a support-and-guard device (1) according to any one of claims 1 to 8 for an engine exhaust gas treatment device.