Combined heat exchanger for engineering machinery

Abstract

The combined heat exchanger for the engineering machinery comprises a heat exchanger body, a protective shell is arranged in front of the heat exchanger body, a toothed plate is fixedly connected to the inner wall of the protective shell, a hanging plate is arranged in the protective shell, a motor is installed on the bottom face of the hanging plate, a large gear is installed at the output end of the motor, and the large gear is fixedly connected to the inner wall of the protective shell. And the large gear is meshed with the toothed plate, the inner wall of the hanging plate is rotationally connected with a rotating shaft, and the outer surface of the rotating shaft is fixedly connected with cleaning brushes which are annularly arranged. According to the device, through cooperation of the toothed plate, the hanging plate, the motor, the large gear, the small gear, the rotating shaft and the cleaning brush, the large gear can move on the toothed plate when rotating through work of the motor, so that the hanging plate and the cleaning brush are moved, meanwhile, the small gear can be driven to rotate when the large gear rotates, and the rotating shaft can drive the cleaning brush to rotate at a high speed; therefore, the heat dissipation fins on the heat exchanger body can be cleaned, and the heat exchange effect is further guaranteed.

Description

Technical Field

[0001] This application relates to the field of heat exchanger technology, and in particular to a combined heat exchanger for engineering machinery. Background Technology

[0002] During the operation of construction machinery, core components such as engines and hydraulic systems generate a large amount of heat due to prolonged high-load operation, causing the temperature to rise sharply. In order to ensure the normal operation of the equipment and extend its service life, these components must be cooled in a timely manner through efficient heat exchangers to maintain their operating temperature within a safe range.

[0003] Traditional heat exchangers typically have numerous heat dissipation fins on their exterior. However, due to the complex working environment of construction machinery, a lot of dust is generated during operation. This dust can accumulate on the surface of the heat dissipation fins, affecting their heat dissipation and further impacting the heat exchange efficiency. To address this issue, we propose a combined heat exchanger for construction machinery. Utility Model Content

[0004] The purpose of this application is to provide a combined heat exchanger for engineering machinery, which solves the problem that traditional heat exchangers have many heat dissipation fins on the outside. Due to the complex working environment of engineering machinery, a lot of dust will be generated during operation. The dust will cover the surface of the heat dissipation fins, thereby affecting the heat dissipation of the heat dissipation fins and further affecting the heat exchange effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A combined heat exchanger for engineering machinery includes a heat exchanger body, a protective shell at the front of the heat exchanger body, a toothed plate fixedly connected to the inner wall of the protective shell, a hanging plate inside the protective shell, a motor mounted on the bottom surface of the hanging plate, a large gear mounted on the output end of the motor, the large gear meshing with the toothed plate, a rotating shaft rotatably connected to the inner wall of the hanging plate, a ring-shaped cleaning brush fixedly connected to the outer surface of the rotating shaft, and a small gear fixedly connected to the outer surface of the rotating shaft, the small gear meshing with the large gear.

[0007] In a further embodiment, a baffle plate is fixedly connected to the bottom surface of the hanging plate, and the baffle plate is located within the rotation radius area of ​​the cleaning brush.

[0008] In a further embodiment, the inner wall of the protective shell is provided with a set of fixing grooves, and each fixing groove has a positioning block slidably connected to its inner wall. The sides of the two positioning blocks that are close to each other are respectively connected to the left and right sides of the hanging plate.

[0009] In a further embodiment, a filter screen is detachably provided on the front of the protective shell, and the filter screen is made of metal.

[0010] In a further embodiment, a set of connecting blocks are fixedly connected to both the left and right sides of the heat exchanger body, and a set of L-shaped plates are fixedly connected to both the left and right sides of the protective shell. Each L-shaped plate is connected to each connecting block by bolts.

[0011] In a further embodiment, a chip removal groove is provided on the bottom surface of the protective shell.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This application utilizes a toothed plate, a hanging plate, a motor, a large gear, a small gear, a rotating shaft, and a cleaning brush. By using the operation of the motor, the large gear moves on the toothed plate when it rotates, thereby moving the hanging plate and the cleaning brush. At the same time, the rotation of the large gear drives the small gear to rotate, which in turn drives the cleaning brush to rotate at high speed. This enables the cleaning of the heat exchanger fins on the heat exchanger body, further ensuring the heat exchange effect.

[0014] With the baffle plate in place, when the cleaning brush rotates, the bristles will effectively block the cleaning brush. After the cleaning brush comes into contact with the baffle plate, the bristles will deform due to the compression, thereby shaking off the dust, debris and other impurities attached to the bristles, further ensuring the cleaning effect of the heat sink fins. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a combined heat exchanger for engineering machinery.

[0016] Figure 2 This is a three-dimensional structural schematic diagram of the rear view of the protective shell of a combined heat exchanger for engineering machinery.

[0017] Figure 3 This is a three-dimensional structural schematic diagram of the protective shell of a combined heat exchanger for engineering machinery, shown in the side sectional view.

[0018] In the diagram: 1. Heat exchanger body; 2. Protective shell; 3. Connecting block; 4. L-shaped plate; 5. Filter screen; 6. Toothed plate; 7. Fixing groove; 8. Positioning block; 9. Small gear; 10. Cleaning brush; 11. Chip removal groove; 12. Hanging plate; 13. Large gear; 14. Motor; 15. Rotating shaft; 16. Baffle plate. Detailed Implementation

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-3 In this utility model, a combined heat exchanger for engineering machinery includes a heat exchanger body 1, a protective shell 2 is provided at the front of the heat exchanger body 1, a set of connecting blocks 3 are fixedly connected to both the left and right sides of the heat exchanger body 1, and a set of L-shaped plates 4 are fixedly connected to both the left and right sides of the protective shell 2. Each L-shaped plate 4 is connected to each connecting block 3 by bolts. The bolts can be used to connect the L-shaped plates 4 and the connecting blocks 3, so that the protective shell 2 can be assembled on the heat exchanger body 1. A filter screen 5 is detachably provided on the front of the protective shell 2. The filter screen 5 is made of metal and can effectively filter impurities and dust, further reducing the dust adhering to the heat dissipation fins.

[0022] A toothed plate 6 is fixedly connected to the inner wall of the protective shell 2. A hanging plate 12 is set inside the protective shell 2. A motor 14 is installed on the bottom surface of the hanging plate 12. A large gear 13 is installed at the output end of the motor 14. The large gear 13 meshes with the toothed plate 6. When the motor 14 works, it drives the large gear 13 to rotate, and the large gear 13 will move on the toothed plate 6. The hanging plate 12 will also move synchronously. A set of fixing grooves 7 are opened on the inner wall of the protective shell 2. A positioning block 8 is slidably connected to the inner wall of each fixing groove 7. The side of the two positioning blocks 8 that are close to each other are respectively connected to the left and right sides of the hanging plate 12. The fixing grooves 7 and the positioning blocks 8 can stabilize the hanging plate 12, thereby ensuring stable meshing between the large gear 13 and the toothed plate 6. At the same time, the fixing grooves 7 can limit the lifting height of the hanging plate 12, thus preventing the toothed plate 6 from separating from the large gear 13.

[0023] A rotating shaft 15 is rotatably connected to the inner wall of the hanging plate 12. A ring-shaped cleaning brush 10 is fixedly connected to the outer surface of the rotating shaft 15. A small gear 9 is fixedly connected to the outer surface of the rotating shaft 15. The small gear 9 meshes with a large gear 13. When the large gear 13 rotates, it will drive the small gear 9 to rotate. The rotating shaft 15 will then drive the cleaning brush 10 to rotate. As the hanging plate 12 moves, the cleaning brush 10 will gradually clean the heat dissipation fins on the heat exchanger body 1, thereby reducing the residue of external dust and further ensuring its heat exchange effect.

[0024] A baffle plate 16 is fixedly connected to the bottom surface of the hanging plate 12, and the baffle plate 16 is located in the rotation radius area of ​​the cleaning brush 10. When the cleaning brush 10 rotates, it will contact the baffle plate 16, and the cleaning brush 10 will deform and rebound, which can shake off the dust, debris and other impurities attached to the brush bristles, further ensuring the cleaning effect of the heat sink fins. A chip discharge groove 11 is provided on the bottom surface of the protective shell 2. The dust cleaned by the cleaning brush 10 will be discharged from the chip discharge groove 11, thereby preventing dust from accumulating inside the protective shell 2.

[0025] The working principle of this application is as follows: When in use, the protective shell 2 is placed in front of the heat exchanger body 1, and the connecting block 3 and the L-shaped plate 4 are connected by bolts. When it is necessary to clean the heat dissipation fins on the heat exchanger body 1, the motor 14 is started. The motor 14 drives the large gear 13 to rotate, and the large gear 13 moves on the toothed plate 6. At the same time, the hanging plate 12 and the cleaning brush 10 will also rise and fall synchronously. When the large gear 13 rotates, it will also drive the small gear 9 to rotate. The small gear 9 will drive the rotating shaft 15 and the cleaning brush 10 to rotate. The cleaning brush 10 will clean the heat dissipation fins on the heat exchanger body 1, thereby reducing the dust covering the heat dissipation fins and further ensuring the heat exchange effect.

[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A combined heat exchanger for construction machines, characterized in that: The application relates to a heat exchanger, which comprises a heat exchanger body (1), the front of the heat exchanger body (1) is provided with a protective shell (2), the inner wall of the protective shell (2) is fixedly connected with a toothed plate (6), the inside of the protective shell (2) is provided with a hanging plate (12), the bottom surface of the hanging plate (12) is mounted with a motor (14), the output end of the motor (14) is mounted with a large gear (13), the large gear (13) is engaged with the toothed plate (6), the inner wall of the hanging plate (12) is rotatably connected with a rotating shaft (15), the outer surface of the rotating shaft (15) is fixedly connected with annularly arranged cleaning brushes (10), the outer surface of the rotating shaft (15) is fixedly connected with a small gear (9), and the small gear (9) is engaged with the large gear (13).

2. The combined heat exchanger for construction machines according to claim 1, characterized in that: The bottom surface of the hanging plate (12) is fixedly connected with a blocking plate (16), and the blocking plate (16) is located in the rotation radius area of the cleaning brushes (10).

3. The combined heat exchanger for construction machines according to claim 1, characterized in that: The inner wall of the protective shell (2) is provided with a group of fixed grooves (7), the inner wall of each fixed groove (7) is slidably connected with a positioning block (8), and the left and right side faces of the two positioning blocks (8) are respectively connected with the left and right side faces of the hanging plate (12).

4. The combined heat exchanger for construction machines according to claim 1, characterized in that: The front surface of the protective shell (2) is detachably provided with a filter screen (5), and the filter screen (5) is made of metal.

5. The combined heat exchanger for construction machines according to claim 1, characterized in that: The left and right side faces of the heat exchanger body (1) are fixedly connected with a group of connecting blocks (3), the left and right side faces of the protective shell (2) are fixedly connected with a group of L-shaped plates (4), and each L-shaped plate (4) and each connecting block (3) are connected through bolts.

6. The combined heat exchanger for construction machines according to claim 1, characterized in that: The bottom surface of the protective shell (2) is provided with a chip removal groove (11).

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