External radiator assembly and loader

Abstract

The external radiator assembly comprises a radiator, an upper support, a lower support and a protective cover assembly, the windward side of the radiator faces the front of a whole vehicle, the upper end of the radiator is fixed to the side face of a rear frame through the upper support, and the lower end of the radiator is fixed to a hydraulic oil tank through the lower support. The protective cover assembly comprises a first protective cover arranged on the outer side of the radiator, a second protective cover arranged on the lower rear face of the radiator and a third protective cover arranged on the rear face of the radiator. The external radiator assembly is arranged on the side face of a rear frame and located between a hydraulic oil tank and a rear wheel tire, the radiating efficiency of a radiator is improved, and the space of the side face of the rear frame is fully utilized. The rear view of a driver is not affected, and a boarding-alighting channel of the whole machine is not occupied.

Description

Technical Field

[0001] This utility model relates to the field of loader technology, and in particular to an external radiator assembly and a loader. Background Technology

[0002] Loaders, as engineering machinery used for loading and short-distance material transport, play an indispensable role in mining, quarrying, and other large-scale construction sites. With continuous technological advancements, loaders are evolving towards larger sizes, electrification, and intelligence, resulting in increasingly diverse configurations and more complex and sophisticated structures. In existing loader cooling systems, the radiator typically includes multiple modules such as a water radiator, intercooler radiator, transmission oil cooler, fuel cooler, hydraulic oil cooler, and air conditioning condenser. These modules are generally integrated into a single unit, housed within the rear frame and protected by a hood to ensure efficient and safe operation.

[0003] However, for large-tonnage electric drive loaders, the heat dissipation requirements are even more stringent. In addition to the aforementioned heat dissipation modules, these loaders also need to be equipped with additional heat dissipation components such as converter coolers and brake resistor grid cooling cores. In actual design, due to the limited internal space of the chassis and hood, it may not be possible to directly accommodate all the additional heat dissipation modules. Utility Model Content

[0004] In order to solve the technical problems existing in the prior art, the first aspect of this utility model provides an external radiator assembly, which can solve the problem that certain radiator modules cannot be directly accommodated due to the limited internal space of the vehicle frame and engine hood.

[0005] To achieve the above objectives, the first aspect of this utility model provides an external radiator assembly, including a radiator, an upper bracket, a lower bracket, and a protective cover assembly. The radiator's windward side faces the front of the vehicle, its upper end is fixed to the side of the rear frame via the upper bracket, and its lower end is fixed to a hydraulic oil tank via the lower bracket. The protective cover assembly includes a first protective cover disposed on the outside of the radiator, a second protective cover disposed on the lower rear of the radiator, and a third protective cover disposed on the rear of the radiator.

[0006] Furthermore, the radiator includes a radiator core and a connecting frame. The upper and lower ends of the radiator core are respectively connected to an upper mounting bracket and a lower mounting bracket, and the upper mounting bracket and the lower mounting bracket are fixedly connected by the connecting frame.

[0007] Furthermore, shock-absorbing devices are provided between the radiator core and the upper and lower mounting brackets, respectively.

[0008] Furthermore, the upper bracket has an L-shaped structure, including an integrally bent top plate and a side plate. The side plate is fixed to the rear frame by fasteners, and the top plate is connected to the upper mounting bracket by fasteners.

[0009] Furthermore, the lower support includes interconnected U-shaped bent plates and stiffening plates. The side of the U-shaped bent plate is fixed to the hydraulic oil tank by fasteners, and its top surface is connected to the lower mounting bracket by fasteners.

[0010] Furthermore, the first, second, and third protective covers are all partitions with ventilation holes. The front end of the first protective cover is installed on the side of the hydraulic oil tank, and the rear end of the first protective cover is connected to the second and third protective covers.

[0011] Furthermore, the second protective cover is located at the lower rear part of the radiator. The lower end of the second protective cover is fixed on the lower bracket, and the upper end is fixed on the rear frame through the bracket. The second protective cover includes a horizontal first bending section, an upwardly sloping second bending section, and a vertical third bending section, wherein a sufficient gap is reserved between the second bending section and the tire.

[0012] Furthermore, the ventilation holes of the second protective cover are raised cuts, and the cuts face the front, lower front, or lower part of the vehicle.

[0013] Furthermore, the third protective cover is located on the upper rear part of the radiator, and the lower end of the third protective cover is connected to the upper end of the second protective cover.

[0014] The second aspect of this utility model provides a loader, including a rear frame, a hydraulic oil tank, tires, and an external radiator assembly as described in any of the above. The hydraulic oil tanks are all fixed to the outside of the rear frame, and the external radiator assembly is fixed to the rear frame and the hydraulic oil tanks, and the external radiator assembly is located between the hydraulic oil tanks and the tires.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. The external radiator assembly of this utility model is fixed to the side of the rear frame by the upper bracket and the lower bracket, and is arranged between the hydraulic oil tank and the rear wheel tire. This not only improves the heat dissipation efficiency of the radiator, but also makes full use of the space on the side of the rear frame; it does not affect the driver's rear view, nor does it occupy the passage for getting on and off the machine.

[0017] 2. The radiator cover of this utility model is provided with raised cuts, and the cuts face the front, lower front or lower part of the vehicle, which effectively protects the radiator and minimizes the impact of the cover assembly on the radiator cooling performance. At the same time, it can prevent mud and water adhering to the tires from splashing onto the cover assembly and causing the ventilation holes to be blocked. Attached Figure Description

[0018] Figure 1 This is a right view of the external heat sink assembly of this utility model;

[0019] Figure 2 This is a structural schematic diagram of the external heat sink assembly of this utility model;

[0020] Figure 3 This is a right view of the external heat sink assembly without the protective cover component of this utility model;

[0021] Figure 4 This is a rear view of the external heat sink assembly without the protective cover component of this utility model;

[0022] Figure 5 yes Figure 3 Sectional view along line A-A;

[0023] Figure 6 This is a schematic diagram of the upper support structure of this utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the lower support of this utility model;

[0025] In the picture:

[0026] 1. Radiator; 11. Radiator core; 12. Upper mounting bracket; 13. Lower mounting bracket; 14. Connecting frame; 15. Shock absorber; 2. Upper bracket; 3. Lower bracket; 4. Hydraulic oil tank; 5. Protective cover assembly; 51. Protective cover one; 52. Protective cover two; 53. Protective cover three; 6. Rear frame; 7. Walkway; 8. Tires. Detailed Implementation

[0027] To facilitate understanding of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] The present invention will now be described in detail. In the following paragraphs, different aspects of the embodiments are defined in more detail. These aspects may be combined with any other aspect or multiple aspects unless explicitly stated otherwise. In particular, any feature considered preferred or advantageous may be combined with one or more other features considered preferred or advantageous.

[0029] In the description of this utility model, it should be understood that the terms "inner", "outer", "upper", "lower", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0030] refer to Figures 1 to 2 As shown, this utility model discloses an external radiator assembly, including a radiator 1, an upper bracket 2, a lower bracket 3, and a protective cover assembly 5. The air-facing surface of the radiator 1 faces the front of the vehicle, and the fan and motor are located at the rear of the radiator 1. The upper end of the radiator 1 is fixed to the side of the rear frame 6 via the upper bracket 2, and the lower end is fixed to the hydraulic oil tank 4 via the lower bracket 3. The protective cover assembly 5 includes a first protective cover 51 located outside the radiator 1, a second protective cover 52 located below and behind the radiator 1, and a third protective cover 53 located behind the radiator 1.

[0031] For details, please refer to Figures 3 to 5 As shown, the radiator 1 includes a radiator core 11, an upper mounting bracket 12, a lower mounting bracket 13, a connecting frame 14, and a shock-absorbing device 15. The upper mounting bracket 12 and the lower mounting bracket 13 are respectively fixed to the upper and lower ends of the radiator core 11 by bolts, and the upper mounting bracket 12 and the lower mounting bracket 13 are fixedly connected by a C-shaped connecting frame 14 to form a whole.

[0032] In some embodiments, reference Figures 6 to 7 As shown, the upper support 2 has an L-shaped structure, including an integrally bent side plate and a top plate, which are fixedly connected by stiffening plates to increase the load-bearing capacity and deformation resistance of the upper support 2. The side plates of the upper support 2 are fixed to the rear frame 6 with bolts, and the top plate is connected to the upper mounting bracket 12 with fasteners. The lower support 3 includes interconnected U-shaped bent plates and stiffening plates. The U-shaped bent plates provide the main support surface, and the stiffening plates are used to increase the strength and stability of the U-shaped bent plates. The sides of the U-shaped bent plates are fixed to the hydraulic oil tank 4 with bolts, and its top surface is connected to the lower mounting bracket 13 with bolts.

[0033] The upper end of the radiator 1 is fixed to the rear frame 6 via the upper mounting bracket 12 and the upper support 2, while the lower end is fixed to the hydraulic oil tank 4 via the lower mounting bracket 13 and the lower support 3, ensuring the firmness and reliability of the radiator 1 connection. Furthermore, shock-absorbing devices 15 are respectively provided between the radiator core 11 and the upper mounting bracket 12 and the lower mounting bracket 13. The shock-absorbing devices 15 can absorb and disperse the weight of the radiator 1 itself, as well as vibrations and impacts that may be generated by the surrounding environment during operation, thereby protecting the radiator 1 from damage and extending its service life.

[0034] In some embodiments, reference Figure 2 As shown, shield 1 51, shield 2 52, and shield 3 53 are all partitions with ventilation holes. Shield 1 51 is located on the outside of the radiator 1, with its front end mounted on the side of the hydraulic oil tank 4, and its rear end connected to shield 2 52 and shield 3 53. Specifically, a fixed support plate with threaded holes and a nut seat are welded onto the hydraulic oil tank 4, and the front end of shield 1 51 is mounted on the nut seat on the side of the hydraulic oil tank 4. Both the front and rear of shield 1 51 are provided with ventilation holes. In this embodiment, the specific structure of the ventilation holes can be selected according to actual needs. For example, the ventilation holes are circular holes, evenly distributed in a matrix pattern.

[0035] The second protective cover 52 is located at the lower rear of the radiator 1. The lower end of the second protective cover 52 is fixed to the lower bracket 3, and the upper end is fixed to the rear frame 6 via a bracket. Its middle section is an upwardly curved segment, with sufficient clearance between the curved segment and the tire 8. Specifically, the second protective cover 52 includes a horizontal first curved segment, an upwardly curved second curved segment, and a vertical third curved segment. The front end of the first curved segment is fixed to the lower bracket 3 with bolts, the rear end of the first curved segment is connected to the lower end of the second curved segment, the upper end of the second curved segment is connected to the lower end of the third curved segment, and the upper end of the third curved segment is fixed to the rear frame 6 via a bracket. The first, second, and third curved segments are all integral. The ventilation holes on the second protective cover 52 are raised cutouts. The opening direction of the cutout on the first curved segment faces the front of the vehicle, the opening direction of the cutout on the second curved segment faces the lower front of the vehicle, and the opening direction of the cutout on the third curved segment faces the lower part of the vehicle. The raised cut effectively protects the radiator 1, minimizing the impact of the shield assembly 5 on the cooling performance of the radiator 1, while also preventing mud and water adhering to the tire 8 from splashing onto the shield assembly 5 and causing blockage.

[0036] The third shield 53 is located at the upper rear of the radiator 1. The lower end of the third shield 53 is connected to the upper end of the second shield 52, and the right side of the third shield 53 is connected to the first shield 51.

[0037] This utility model also discloses a loader, including a rear frame 6, a hydraulic oil tank 4, a tire 8, and the aforementioned external radiator assembly. The hydraulic oil tank 4 is fixed to the right side of the rear frame 6. The upper end of the external radiator assembly is fixed to the outside of the rear frame 6, and the lower end is fixed to the hydraulic oil tank 4. The external radiator assembly is located between the hydraulic oil tank 4 and the tire 8.

[0038] The external radiator assembly in this embodiment is fixed to the side of the rear frame 6 by the upper bracket 2 and the lower bracket 3, and is arranged between the hydraulic oil tank 4 and the rear wheel tire 8. This not only improves the heat dissipation efficiency of the radiator 1, but also makes full use of the space on the side of the rear frame 6; it does not affect the driver's rear view, nor does it occupy the vehicle's access passage.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An external radiator assembly, characterized in that, The radiator (1), upper bracket (2), lower bracket (3) and shield assembly (5) are included. The windward side of the radiator (1) faces the front of the vehicle. Its upper end is fixed to the side of the rear frame (6) by the upper bracket (2), and its lower end is fixed to the hydraulic oil tank (4) by the lower bracket (3). The shield assembly (5) includes a shield one (51) located outside the radiator (1), a shield two (52) located behind the radiator (1), and a shield three (53) located behind the radiator (1).

2. The external radiator assembly according to claim 1, characterized in that, The radiator (1) includes a radiator core (11) and a connecting frame (14). The upper and lower ends of the radiator core (11) are respectively connected to an upper mounting bracket (12) and a lower mounting bracket (13). The upper mounting bracket (12) and the lower mounting bracket (13) are fixedly connected by the connecting frame (14).

3. The external radiator assembly according to claim 2, characterized in that, Shock-absorbing devices (15) are respectively provided between the radiator core (11) and the upper mounting bracket (12) and the lower mounting bracket (13).

4. The external radiator assembly according to claim 2, characterized in that, The upper bracket (2) is an L-shaped structure, including an integrally bent top plate and a side plate. The side plate is fixed to the rear frame (6) by fasteners, and the top plate is connected to the upper mounting bracket (12) by fasteners.

5. The external radiator assembly according to claim 2, characterized in that, The lower support (3) includes a U-shaped bending plate and a stiffening plate connected to each other. The side of the U-shaped bending plate is fixed to the hydraulic oil tank (4) by fasteners, and its top surface is connected to the lower mounting bracket (13) by fasteners.

6. The external radiator assembly according to claim 1, characterized in that, The first protective cover (51), the second protective cover (52) and the third protective cover (53) are all partitions with ventilation holes. The front end of the first protective cover (51) is installed on the side of the hydraulic oil tank (4), and the rear end of the first protective cover (51) is connected to the second protective cover (52) and the third protective cover (53).

7. The external radiator assembly according to claim 6, characterized in that, The second protective cover (52) is located at the lower rear part of the radiator (1). The lower end of the second protective cover (52) is fixed on the lower bracket (3), and the upper end is fixed on the rear frame (6) through the bracket. The second protective cover (52) includes a horizontal first bending section, an upward oblique second bending section and a vertical third bending section, wherein a sufficient gap is reserved between the second bending section and the tire (8).

8. The external radiator assembly according to claim 6, characterized in that, The ventilation holes of the second protective cover (52) are raised cuts, and the cuts face the front, lower front or lower part of the vehicle.

9. The external radiator assembly according to claim 6, characterized in that, The third shield (53) is located at the upper rear part of the radiator (1), and the lower end of the third shield (53) is connected to the upper end of the second shield (52).

10. A loader, characterized in that, The vehicle includes a rear frame (6), a hydraulic tank (4), a tire (8), and an external radiator assembly as described in any one of claims 1-9. The hydraulic tank (4) is fixed to the outside of the rear frame (6), and the external radiator assembly is fixed to the rear frame (6) and the hydraulic tank (4), and the external radiator assembly is located between the hydraulic tank (4) and the tire (8).

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