CN222615429U

CN222615429U - A noise reduction and heat dissipation structure for engineering machinery

Info

Publication number: CN222615429U
Application number: CN202420768313.0U
Authority: CN
Inventors: 魏久昌; 丁文凤; 张玉娥; 陈繁敏; 刘乐; 宋龙
Original assignee: Weichai Qingdao Smart Heavy Industry Co ltd; Lovol Heavy Industry Group Co ltd
Current assignee: Weichai Qingdao Smart Heavy Industry Co ltd; Lovol Heavy Industry Group Co ltd
Priority date: 2024-04-15
Filing date: 2024-04-15
Publication date: 2025-03-14
Anticipated expiration: 2034-04-15

Abstract

The utility model relates to the technical field of engineering machinery, specifically, a noise reduction and heat dissipation structure of engineering machinery, the device mainly includes a hood, a frame is installed under the hood, a counterweight is installed behind the frame, the counterweight is arranged under the hood, the frame includes two brackets symmetrically and vertically arranged on the left and right sides, the upper parts of the two brackets are respectively connected to the front parts of the left and right sides of the hood, a radiator is installed between the two brackets, the radiator is arranged in the hood, the hood includes a hood frame welded fixedly installed and a hood body welded to the hood frame, the upper end of the radiator is connected to the hood frame welded, a first windshield rubber plate is arranged between the lower side of the radiator and the frame, and two second windshield rubber plates are arranged between the left and right sides of the radiator and the left and right sides of the hood. The structure can improve the heat dissipation effect; at the same time, a closed space for accommodating the engine is constructed, thereby improving the noise reduction effect.

Description

Noise-reducing and heat-radiating structure of engineering machinery

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a noise-reducing and heat-dissipating structure of engineering machinery.

Background

At present, most of the engines of the loader are in a semi-closed state and are directly contacted with the external environment, so that the noise is high. In addition, the working conditions of engineering machinery are often severe, and the engine and the radiator are in direct contact with the outside air, so that dust is easy to accumulate to influence the heat dissipation efficiency.

Based on the problems, the utility model provides the noise-reducing and heat-radiating structure of the engineering machinery, which can improve the heat-radiating effect, and meanwhile, a closed space for accommodating an engine is constructed, so that the noise-reducing effect is improved.

Disclosure of utility model

The utility model aims to solve the technical problem of designing a noise-reducing and heat-radiating structure of engineering machinery, which can improve the heat-radiating effect and the noise-reducing effect.

In order to solve the technical problems, the noise-reducing and heat-radiating structure of the engineering machinery comprises a hood, wherein a frame is arranged below the hood, a counterweight is arranged at the rear of the frame, the counterweight is arranged below the hood, the frame comprises two brackets which are symmetrically arranged at the left side and the right side and are vertically arranged, the upper parts of the two brackets are respectively connected with the front parts of the left side and the right side of the hood, a radiator is arranged between the two brackets, the radiator is arranged in the hood, and the hood comprises a hood framework welded joint fixedly arranged and a hood body hinged to the hood framework welded joint.

By adopting the structure, the frame, the hood, the counterweight and the radiator jointly construct a closed space for accommodating the engine, so that the noise reduction effect is improved, and the wind shielding rubber plate is arranged around the radiator, and the wind shielding rubber plate and the hood above the radiator jointly enable the air on the front side and the rear side of the radiator to be relatively isolated, so that hot air flowing out of the radiator can not flow back, and the heat dissipation effect is improved.

Preferably, two side doors are respectively arranged at the left side and the right side of the welding of the hood framework, the two side doors are respectively close to two sides of the radiator, and the side doors are convenient to clean the radiator.

Preferably, a first window is formed in the middle of the welding part of the hood framework, an upper skylight is formed in the upper part of the hood body, which is close to the first window, and the first window is adjacent to the upper skylight in position, so that an operator can open the first window and the upper skylight together to enhance the heat dissipation effect.

Preferably, the hood framework is welded with two second windows which are respectively positioned at the left side and the right side of the first window, and is also provided with two third windows which are respectively positioned above the two side doors. The arrangement of the two second windows and the third window can further enhance the heat dissipation effect.

Preferably, a rear wind window is arranged at the rear part of the hood body. The setting of back wind window can effectively promote the radiating effect.

Preferably, a plurality of ventilation holes are uniformly formed in the two side doors, the two first windows, the two second windows, the third window, the upper skylight and the rear air window, and the ventilation holes are arranged in a regular hexagon structure. The adoption of the regular hexagon vent hole structure can better promote the heat dissipation effect.

Preferably, the bottom of the counterweight is provided with a vent, the vent is communicated with a cavity in the hood, a counterweight cover plate is arranged at the vent, and a plurality of louver ventilation ports are arranged on the counterweight cover plate. The ventilation opening is communicated with the cavity in the hood, so that heat emitted by the engine in the hood can be emitted, and the heat dissipation effect is better due to the arrangement of the louver ventilation opening structure.

Preferably, the upper end of the radiator is arranged in a backward inclined mode, the fan of the radiator is close to the louver air-permeable opening on the counterweight cover plate, and the fan can blow out heat emitted by the radiator in the hood from the louver air-permeable opening, so that the heat dissipation effect is greatly improved.

In summary, the beneficial effects of the utility model are as follows:

A closed space for accommodating an engine is constructed through the frame, the hood, the counterweight and the radiator together, the noise reduction effect is improved, the window on the hood is of a regular hexagon vent structure, the counterweight cover plate is of a louver vent structure, the heat dissipation effect is improved, the periphery of the radiator is provided with wind shielding rubber plates, the wind shielding rubber plates and the hood are used for relatively isolating air on the front side and the rear side of the radiator together, the fact that hot air sucked out of the radiator by a fan cannot flow back is guaranteed, the heat dissipation effect is improved, the radiator is obliquely placed, and the fan faces to the louver vent on the counterweight, and the heat dissipation effect is improved.

Drawings

The utility model is described in further detail below with reference to the attached drawings and detailed description:

FIG. 1 is a schematic diagram of a noise reduction and heat dissipation structure of an engineering machine;

FIG. 2 is a schematic view of a structure of the noise reduction and heat dissipation structure of the engineering machinery with a hood opened;

fig. 3 is a schematic view of the structure of the direction a in fig. 2 (the hood 1 is omitted);

FIG. 4 is a schematic view of the B-direction structure in FIG. 2;

Fig. 5 is a schematic view of another view angle structure of the noise-reducing and heat-dissipating structure of the engineering machinery according to the present utility model.

In the figure, a hood 1, a frame 2, a counterweight 3, a bracket 4, a radiator 5, a hood framework welding 6, a hood body 7, a first windshield rubber plate 8, a second windshield rubber plate 9, a side door 10, a first window 11, a second window 12, a third window 13, an upper skylight 14, a rear air window 15, a counterweight cover plate 16, a shutter ventilation port 17 and a fan 18 are shown.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

The following is a description of preferred embodiments of the utility model, taken in conjunction with the accompanying drawings.

Referring to fig. 1, the utility model discloses a noise-reducing and heat-dissipating structure of engineering machinery, which comprises a hood 1 and a frame 2 arranged below the hood 1, wherein a counterweight 3 is arranged at the rear of the frame 2, the counterweight 3 is arranged below the hood 1, as shown in fig. 5, the frame 2 comprises two brackets 4 which are symmetrically arranged at the left and right sides and are vertically arranged, the upper parts of the two brackets 4 are respectively connected with the front parts of the left and right sides of the hood 1, a radiator 5 is arranged between the two brackets 4, the radiator 5 is arranged in the hood 1, the hood 1 comprises a fixedly arranged hood framework welded 6 and a hood body 7 hinged with the hood framework welded 6, the upper end of the radiator 5 is connected with the hood framework welded 6, so that a closed space for accommodating an engine is jointly formed by the frame 2, a part of the hood 1, the counterweight 3 and the radiator 5, the engine is prevented from being directly contacted with the external environment, thereby improving the noise-reducing effect, meanwhile, the heat dissipation efficiency is prevented from being influenced by accumulated dust, as shown in fig. 3, a first wind shielding rubber plate 8 is arranged between the lower side of the radiator 5 and the frame 2, two second wind shielding rubber plates 9 are arranged between the left side and the right side of the radiator 5 and the left side and the right side of the hood 1 respectively, the upper end of the radiator 5 is arranged in a backward inclined mode, a large amount of heat can be generated in the long-time working process of the engine, the heat is dissipated into the air through the radiator 5, a fan 18 on the radiator 5 generates wind power and takes away the heat dissipated by the radiator 5, thereby cooling and dissipating the heat, the radiator 5 absorbs and transfers the heat generated by the engine through the circulation of cooling liquid (such as water or other special liquid), the cooling liquid circulates in the engine, the heat is dissipated through the radiator 5 and the outside air through heat exchange after the heat absorption, the working principle of the radiator 5 is the prior art and will not be described here in detail. Two second wind-shielding rubber plates 9 are installed on the left side and the right side of the radiator 5, the first wind-shielding rubber plate 8 is installed at the bottom, and the hood framework welding 6 is connected to the upper end of the radiator 5, so that cold air on the front side of the radiator 5 is relatively isolated from hot air on the rear side, hot air sucked out of the radiator 5 by the fan 18 is prevented from flowing back, the hot air on the rear side can be discharged rapidly, the radiating efficiency of the radiator 5 is guaranteed, and the radiating effect is improved.

As a further explanation of this embodiment, referring to fig. 1, two side doors 10 are respectively provided at the left and right sides of the hood framework welding 6, the two side doors 10 are respectively close to two sides of the radiator 5, when the radiator 5 needs to be cleaned of dust, the side doors 10 can be opened to clean the dust on the radiator 5, thereby avoiding the influence on the heat dissipation efficiency due to dust accumulation on the radiator 5, and in addition, the machine does not need to be disassembled, which is time-consuming and labor-consuming.

As a further explanation of this embodiment, referring to fig. 1, a first window 11 is provided in the middle of the hood framework seam 6, an upper skylight 14 is provided at the upper portion of the hood body 7 near the first window 11, two second windows 12 are symmetrically provided on the hood framework seam 6 on the left and right sides of the first window 11, two third windows 13 are further provided on the hood framework seam 6 on the two side doors 10, wherein a plurality of ventilation holes are uniformly provided on the two side doors 10, the two first windows 11, the two second windows 12, the third windows 13, the upper skylight 14 and the rear louver 15, and the ventilation holes are in a regular hexagonal structure, so that the heat dissipation effect is greatly improved.

As a further explanation of this embodiment, referring to fig. 4, a ventilation opening is formed at the bottom of the counterweight 3, the ventilation opening is communicated with the cavity inside the hood 1, a counterweight cover plate 16 is disposed at the ventilation opening, a plurality of louver ventilation openings 17 are formed in the counterweight cover plate 16, a fan 18 of the radiator 5 is close to the louver ventilation openings 17 on the counterweight cover plate 16, and the fan 18 discharges heat emitted by the radiator 5 through the louver ventilation openings 17, so as to accelerate the discharge of hot air in the cavity.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. The utility model provides a heat radiation structure falls in engineering machine tool, includes aircraft bonnet (1), frame (2) are installed to aircraft bonnet (1) below, counter weight (3) are installed at frame (2) rear, counter weight (3) set up in aircraft bonnet (1) below, two supports (4) that frame (2) just vertically set up including left and right sides symmetry, the front portion on aircraft bonnet (1) left and right sides is connected respectively on two supports (4), installs radiator (5) between two supports (4), radiator (5) set up in aircraft bonnet (1), aircraft bonnet (1) include fixed mounting's aircraft bonnet skeleton seam (6) and articulate in aircraft bonnet body (7) of aircraft bonnet skeleton seam (6), its characterized in that aircraft bonnet skeleton seam (6) are connected to radiator (5) upper end, be provided with first weather stripping rubber plate (8) between radiator (5) downside and frame (2), radiator (5) left and right sides are provided with two second weather stripping rubber plates (9) respectively between aircraft bonnet (1) left and right sides.

2. The noise-reducing and heat-dissipating structure of engineering machinery according to claim 1, wherein two side doors (10) are respectively provided on the left and right sides of the hood framework welding (6), and the two side doors (10) are respectively close to two sides of the radiator (5).

3. The noise-reducing and heat-dissipating structure of engineering machinery according to claim 2, characterized in that a first window (11) is formed in the middle of the hood framework welding (6), and an upper skylight (14) is formed at the position, close to the first window (11), of the upper portion of the hood body (7).

4. The noise-reducing and heat-dissipating structure of engineering machinery according to claim 3, wherein the hood framework welding (6) is symmetrically provided with two second windows (12) on the left and right sides of the first window (11), and the hood framework welding (6) is further provided with two third windows (13) above the two side doors (10).

5. The noise-reducing and heat-dissipating structure of construction machine according to claim 4, wherein a rear air window (15) is provided at the rear of the hood body (7).

6. The noise-reducing and heat-dissipating structure of construction machine according to claim 5, wherein a plurality of ventilation holes are uniformly formed in each of the two side doors (10), the two first windows (11), the two second windows (12), the third window (13), the upper skylight (14) and the rear louver (15), and the ventilation holes are arranged in a regular hexagonal structure.

7. The noise reduction and heat dissipation structure of engineering machinery according to claim 6, characterized in that a ventilation opening is formed in the bottom of the counterweight (3), the ventilation opening is communicated with a cavity in the hood (1), a counterweight cover plate (16) is arranged at the ventilation opening, and a plurality of louver ventilation openings (17) are formed in the counterweight cover plate (16).

8. The noise reduction and heat dissipation structure of engineering machinery according to claim 7, characterized in that the upper end of the radiator (5) is inclined backward, and a fan (18) of the radiator (5) is arranged close to a louver ventilation opening (17) on the counterweight cover plate (16) facing backward.