Excavator engine heat dissipation device

Abstract

The utility model discloses an excavator engine heat dissipation device which comprises a bottom plate, a top plate is arranged above the bottom plate, a plurality of hollowed-out grooves are formed in the top plate, the two ends of each hollowed-out groove extend out of the top plate, supporting plates are arranged on the two sides of the bottom end of the top plate, and the bottom ends of the supporting plates are fixedly connected with the top end of the bottom plate. An engine body is arranged at the top end of the top plate, two positioning structures are arranged on the outer wall of the lower end of each supporting plate, a heat collecting plate is installed on the inner wall of the engine body, corner seats are arranged at the corners of the outer wall of the heat collecting plate, cooling fins are arranged on the outer wall of the heat collecting plate, and the ends, away from the heat collecting plate, of the cooling fins extend out of the engine body. According to the engine cooling device, the purpose of conducting transmission type heat dissipation on the engine body is achieved, the purpose of conducting water-cooling heat dissipation on the engine body is achieved, and the purpose of locating and arranging the cooling device is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction machinery, and particularly relates to a heat dissipation device for an excavator engine. Background Technique

[0002] As a heavy machinery and equipment, the working environment of an excavator is often complex and changeable. Especially under high-temperature and high-load working conditions, the heat generated by engine fuel combustion and hydraulic transmission increases significantly, which easily leads to engine overheating. In order to improve such problems, a corresponding heat dissipation device is thus required.

[0003] A heat dissipation device with a reference publication number of CN207018079U includes a turntable. A plurality of first fan blades are inserted into the turntable. An expansion slot is provided on the first fan blade. A second fan blade is inserted into the expansion slot. A first spring is connected to the expansion slot. One end of the first spring is fixedly connected to the second fan blade. An adjustment ring is provided at the other end of the second fan blade. The adjustment ring includes a plurality of first annular shafts and second annular shafts. The first annular shafts and the second annular shafts are arranged staggeredly. The first annular shaft is sleeved on the second annular shaft. A snap ring is provided on the turntable. The operation of this heat dissipation device is simple. Through the mutual cooperation of the first annular shaft, the second annular shaft, the first fan blade, the second fan blade, the connecting rod and the turntable, the size of the fan can be adjusted, and the disassembly of the fan blade is very convenient, which can clean the equipment in time and maintain a good scattering effect, providing a heat dissipation device for users. According to the above, although this heat dissipation device can be well applied, it is usually not convenient for transfer heat dissipation and water-cooled heat dissipation of the engine body, so that the heat dissipation effect of the engine body by this heat dissipation device is still difficult to reach the established expectation, which often troubles people. Content of the Utility Model

[0004] The purpose of the utility model is to provide a heat dissipation device for an excavator engine to solve the problem that although the heat dissipation device can be well applied, it is usually not convenient for transfer heat dissipation and water-cooled heat dissipation of the engine body, so that the heat dissipation effect of the engine body by this heat dissipation device is still difficult to reach the established expectation as mentioned in the above background technique.

[0005] To achieve the above object, the present utility model provides the following technical solution: An excavator engine cooling device, including a bottom plate, above which there is a top plate. Inside the top plate, there are several hollow slots, and both ends of the hollow slots extend to the outside of the top plate. On both sides of the bottom end of the top plate, there are support plates, and the bottom ends of the support plates are fixedly connected to the top end of the bottom plate. On the top end of the top plate, there is an engine body. On the outer walls of the lower ends of the support plates, there are two positioning structures each. Inside the inner wall of the engine body, there is a heat collecting plate. At the corner positions of the outer wall of the heat collecting plate, there are angle seats. On the outer wall of the heat collecting plate, there are heat dissipation fins, and the ends of the heat dissipation fins away from the heat collecting plate extend to the outside of the engine body.

[0006] Preferably, there are several temperature guiding fins at the bottom end of the top plate. Inside several of the temperature guiding fins, there is a serpentine cooling pipe. Through the setting of the serpentine cooling pipe, it is convenient for the coolant to circulate inside the serpentine cooling pipe.

[0007] Preferably, the positioning structure includes side connection plates. On the outer surfaces of the lower ends of the support plates, there are two side connection plates each, and a total of four side connection plates are provided. Through the setting of the side connection plates, it is convenient to place the positioning plate.

[0008] Preferably, the positioning structure further includes a positioning plate and waist-shaped holes. On the outer wall of the lower end of the side connection plate, there is a positioning plate. On both sides inside the positioning plate, there are waist-shaped holes, and both ends of the waist-shaped holes extend to the outside of the positioning plate. By means of a bolt passing through the waist-shaped hole and screwing into the installation platform of the excavator, it is convenient to position and place the cooling device.

[0009] Preferably, on both outer walls of the serpentine cooling pipe, there are L-shaped positioning seats. On both sides inside the L-shaped positioning seats, there are pin holes, and both ends of the pin holes extend to the outside of the L-shaped positioning seats. Through the setting of the L-shaped positioning seats, it is convenient to place the serpentine cooling pipe.

[0010] Preferably, one end of the serpentine cooling pipe is provided with a liquid inlet pipe orifice, and the end of the serpentine cooling pipe away from the liquid inlet pipe orifice is provided with a liquid outlet pipe orifice. Through the setting of the liquid inlet pipe orifice and the liquid outlet pipe orifice, it is convenient to inject and discharge the coolant inside the serpentine cooling pipe.

[0011] Compared with the prior art, the beneficial effects of the present utility model are: This excavator engine cooling device not only achieves the purpose of transfer cooling for the engine body, but also achieves the purpose of water cooling for the engine body, and moreover achieves the purpose of positioning and placing the cooling device;

[0012] (1) By arranging the heat collecting plate inside the engine body, the heat collecting plate absorbs the heat energy inside the engine body, and then the heat dissipation fins export the heat energy absorbed by the heat collecting plate to the outside of the engine body, so as to achieve the purpose of heat exchange and cooling of the engine body, thereby achieving the purpose of transfer heat dissipation of the engine body;

[0013] (2) Inject the coolant into the inside of the serpentine cooling pipe through the liquid inlet pipe orifice. The coolant circulates inside the serpentine cooling pipe and is discharged through the liquid outlet pipe orifice. During this process, the coolant inside the serpentine cooling pipe releases a low-temperature medium to cool the top plate, and at the same time, the low-temperature medium can be transferred to the engine body through the hollow grooves to cool the engine body, thereby achieving the purpose of water-cooled heat dissipation of the engine body;

[0014] (3) By passing the bolt through the waist-shaped hole and screwing it into the threaded groove reserved on the excavator installation platform, the bottom plate can be stably placed on the installation platform through the positioning plate and the side connecting plate, thereby achieving the purpose of positioning and placing the heat dissipation device. Brief Description of the Drawings

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is a side view structural schematic diagram of the serpentine cooling pipe of the present utility model;

[0017] Figure 3 is a side view structural schematic diagram of the heat dissipation fins of the present utility model;

[0018] Figure 4 is an enlarged structural schematic diagram of the positioning structure of the present utility model.

[0019] In the figure: 1, bottom plate; 2, support plate; 3, top plate; 301, hollow groove; 4, positioning structure; 401, side connecting plate; 402, positioning plate; 403, waist-shaped hole; 5, engine body; 6, heat dissipation fins; 7, temperature guiding fins; 8, serpentine cooling pipe; 9, liquid inlet pipe orifice; 10, liquid outlet pipe orifice; 11, L-shaped positioning seat; 1101, pin hole; 12, heat collecting plate; 13, angle seat. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4, an embodiment provided by the present utility model: an excavator engine cooling device, including a bottom plate 1, a top plate 3 is provided above the bottom plate 1, several heat conduction fins 7 are provided at the bottom end of the top plate 3, and a serpentine cooling pipe 8 is provided inside the several heat conduction fins 7;

[0022] During use, due to the setting of the serpentine cooling pipe 8, the coolant is circulated inside the serpentine cooling pipe 8;

[0023] L-shaped positioning seats 11 are provided on the outer walls on both sides of the serpentine cooling pipe 8, and pin holes 1101 are provided on both sides inside the L-shaped positioning seats 11, and both ends of the pin holes 1101 extend to the outside of the L-shaped positioning seats 11;

[0024] During use, due to the setting of the L-shaped positioning seats 11, the serpentine cooling pipe 8 can be placed;

[0025] One end of the serpentine cooling pipe 8 is provided with a liquid inlet pipe orifice 9, and the end of the serpentine cooling pipe 8 away from the liquid inlet pipe orifice 9 is provided with a liquid outlet pipe orifice 10;

[0026] During use, due to the setting of the liquid inlet pipe orifice 9 and the liquid outlet pipe orifice 10, the coolant inside the serpentine cooling pipe 8 can be injected and discharged;

[0027] Several hollow grooves 301 are provided inside the top plate 3, both ends of the hollow grooves 301 extend to the outside of the top plate 3, support plates 2 are provided on both sides of the bottom end of the top plate 3, the bottom ends of the support plates 2 are fixedly connected to the top end of the bottom plate 1, an engine body 5 is provided on the top end of the top plate 3, and two positioning structures 4 are provided on the outer walls of the lower ends of the support plates 2. The positioning structure 4 includes side connection plates 401. Two side connection plates 401 are provided on the outer surfaces of the lower ends of the support plates 2, and a total of four side connection plates 401 are provided;

[0028] During use, due to the setting of the side connection plates 401, the positioning plates 402 can be placed;

[0029] The positioning structure 4 further includes positioning plates 402 and waist-shaped holes 403. Positioning plates 402 are provided on the outer walls of the lower ends of the side connection plates 401, and waist-shaped holes 403 are provided on both sides inside the positioning plates 402, and both ends of the waist-shaped holes 403 extend to the outside of the positioning plates 402;

[0030] During use, by passing a bolt through the waist-shaped hole 403 and screwing it into the installation platform of the excavator, the cooling device can be positioned and placed;

[0031] A heat collecting plate 12 is installed on the inner wall of the engine body 5, angle seats 13 are provided at the corner positions of the outer wall of the heat collecting plate 12, heat dissipation fins 6 are provided on the outer wall of the heat collecting plate 12, and the ends of the heat dissipation fins 6 away from the heat collecting plate 12 extend to the outside of the engine body 5.

[0032] When the embodiment of the present application is in use, first, by means of a bolt member passing through the waist-shaped hole 403 and screwing into the threaded groove reserved on the installation platform of the excavator, the bottom plate 1 can be stably placed on the installation platform through the positioning plate 402 and the side connecting plate 401, so as to position and place the heat dissipation device. After that, the coolant is injected into the inside of the serpentine cooling pipe 8 through the liquid inlet pipe orifice 9. After the coolant circulates inside the serpentine cooling pipe 8, it is discharged through the liquid outlet pipe orifice 10. During this process, the coolant inside the serpentine cooling pipe 8 will release a low-temperature medium to cool the top plate 3, so that the top plate 3 transfers the low-temperature medium to the engine body 5 for temperature reduction. At the same time, the low-temperature medium can also be directly transferred to the engine body 5 through the hollow groove 301 to cool and dissipate the heat of the engine body 5, so as to perform water-cooled heat dissipation on the engine body 5. Finally, by arranging the heat collecting plate 12 inside the engine body 5, the heat collecting plate 12 absorbs and processes the heat energy inside the engine body 5. Subsequently, the heat dissipation fins 6 conduct the heat energy absorbed by the heat collecting plate 12 to the outside of the engine body 5 to perform heat exchange and temperature reduction on the engine body 5, thereby completing the use of the heat dissipation device.

Claims

1. An excavator engine heat dissipation device, characterized in that: It includes a bottom plate (1), above which there is a top plate (3). Inside the top plate (3), there are several hollow grooves (301), and both ends of the hollow grooves (301) extend to the outside of the top plate (3). On both sides of the bottom end of the top plate (3), there are support plates (2), and the bottom ends of the support plates (2) are fixedly connected to the top end of the bottom plate (1). On the top end of the top plate (3), there is an engine body (5). On the outer walls of the lower ends of the support plates (2), there are two positioning structures (4) respectively. Inside the inner wall of the engine body (5), there is a heat collecting plate (12). At the corner positions of the outer wall of the heat collecting plate (12), there are corner seats (13). On the outer wall of the heat collecting plate (12), there are heat dissipation fins (6), and the ends of the heat dissipation fins (6) far from the heat collecting plate (12) extend to the outside of the engine body (5).

2. The heat dissipation device for an excavator engine according to claim 1, wherein: At the bottom end of the top plate (3), there are several temperature guiding fins (7), and inside several of the temperature guiding fins (7), there is a serpentine cooling pipe (8).

3. The heat dissipation device for an excavator engine according to claim 1, wherein: The positioning structure (4) includes side connecting plates (401). On the outer surfaces of the lower ends of the support plates (2), there are two side connecting plates (401) respectively, and there are four side connecting plates (401) in total.

4. The heat dissipation device for an excavator engine according to claim 3, characterized in that: The positioning structure (4) further includes a positioning plate (402) and kidney-shaped holes (403). On the outer wall of the lower end of the side connecting plate (401), there is a positioning plate (402). On both sides inside the positioning plate (402), there are kidney-shaped holes (403), and both ends of the kidney-shaped holes (403) extend to the outside of the positioning plate (402).

5. The heat dissipation device for an excavator engine according to claim 2, wherein: On the outer walls of both sides of the serpentine cooling pipe (8), there are L-shaped positioning seats (11). On both sides inside the L-shaped positioning seats (11), there are pin holes (1101), and both ends of the pin holes (1101) extend to the outside of the L-shaped positioning seats (11).

6. The heat dissipation device for an excavator engine according to claim 2, wherein: One end of the serpentine cooling pipe (8) is provided with a liquid inlet pipe orifice (9), and the end of the serpentine cooling pipe (8) far from the liquid inlet pipe orifice (9) is provided with a liquid outlet pipe orifice (10).

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