Excavator radiator structure and excavator

Abstract

The excavator radiator structure comprises an oil radiator and a fixing structure, a first oil port and a second oil port are formed in the outer side wall of the oil radiator, the first oil port is connected with a first oil pipe, and the first oil pipe is used for being communicated with an oil tank. The second oil port is located on one side of the first oil port and connected with a second oil pipe, the second oil pipe extends towards the oil tank to form a connecting end, and the connecting end communicates with the oil tank; the fixing structure comprises a fixing plate located on one side of the second oil port and fixed to the outer side wall of the oil radiator, a mounting plate is fixed to the fixing plate, the mounting plate extends towards the connecting end to form a mounting part, the mounting part is connected with the connecting end, the two ends of the second oil pipe can be fixed to the oil radiator, and the vibration frequencies of the two ends of the second oil pipe are the same. That is, the two ends of the second oil pipe are stressed coordinately so as to prevent the second oil pipe from loosening or leaking oil.

Description

Technical Field

[0001] The utility model relates to the technical field of excavators, in particular to an excavator radiator structure and an excavator. Background Art

[0002] The hydraulic excavator's radiator is connected to the oil tank via a steel pipe. The radiator is equipped with a shock absorber. To improve heat dissipation, the side frame was removed, making it impossible to weld a pipe clamp. Therefore, one end of the steel pipe is screwed to the radiator's oil port. Because the steel pipe is too long, the other end is secured to the bracket of the excavator's cover with a pipe clamp. However, the steel pipe in this structure is prone to loosening and oil leakage, affecting its use. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of the present utility model is to provide an excavator radiator structure and an excavator, which fixes the two ends of the second oil pipe to the oil radiator by arranging a fixing plate on the outer wall of the oil radiator and arranging a mounting portion connected to the connecting end on the fixing plate, so as to prevent the two ends of the second oil pipe from loosening or leaking oil due to different vibration frequencies.

[0004] To achieve the above objectives, the present invention adopts the following technical solutions:

[0005] An excavator radiator structure comprises an oil radiator and a fixing structure provided on the oil radiator;

[0006] The oil radiator has an oil cavity inside, and an outer wall of the oil radiator is provided with a first oil port and a second oil port communicating with the oil cavity, the first oil port is connected to a first oil pipe, and the first oil pipe is used to communicate with the oil tank, the second oil port is located on one side of the first oil port and is connected to a second oil pipe, and the second oil pipe extends toward the oil tank to form a connecting end, and the connecting end is communicated with the oil tank;

[0007] The fixing structure includes a fixing plate located on one side of the second oil port and fixed on the outer side wall of the oil radiator. The fixing plate is fixed with a mounting plate. The mounting plate extends toward the connecting end to form a mounting portion, and the mounting portion is connected to the connecting end.

[0008] Furthermore, the oil radiator has a first outer wall and a second outer wall, the first outer wall is provided with the second oil port, the second outer wall is close to the oil tank relative to the first outer wall, the fixing plate is fixed on the second outer wall and extends toward the connecting end to form a fixing portion, and the mounting plate is fixed on the fixing portion.

[0009] Furthermore, the free end of the fixing portion is bent and extended toward the second oil port to form an extension portion, and the mounting plate is fixed on the extension portion.

[0010] Furthermore, it includes an air-cooling radiator arranged on the top surface of the oil radiator, and the upper end and the lower end of the fixing plate are fixedly connected to the outer side walls of the air-cooling radiator and the oil radiator respectively.

[0011] Furthermore, the bottom end of the mounting plate is bent and extended toward the connecting end to form the mounting portion, and the mounting portion is fixed to the connecting end via a U-shaped bolt.

[0012] Furthermore, a mounting hole is provided on the upper end surface of the mounting plate, the mounting hole passes through the upper end of the mounting plate and extends in the up-down direction, and a screw for connecting the fixing plate and the upper end of the mounting plate is provided in the mounting hole.

[0013] Furthermore, a reinforcing rib is fixed between the mounting portion and the mounting plate.

[0014] Furthermore, it includes an air-cooled radiator arranged on the top surface of the oil radiator, the second oil port is provided on the top of the first outer wall of the oil radiator away from the oil tank, the second oil port is located on the side of the first outer wall close to the oil tank, the first oil port is opened at the bottom of the first outer wall, the upper end of the fixing plate is fixedly connected to the lower end of the air-cooled radiator by screws, and the lower end of the fixing plate is fixedly connected to the top of the oil radiator by screws.

[0015] The excavator radiator structure of the present invention comprises a fixing plate disposed on the outer wall of the oil radiator, and a mounting plate fixed to the fixing plate. The mounting plate extends toward the connecting end of the second oil pipe to form a mounting portion, which is connected to the connecting end, thereby securing both ends of the second oil pipe to the oil radiator. This avoids the situation where the two ends of the second oil pipe are separately fixed to the oil radiator and the excavator cover, resulting in different vibration frequencies. Instead, the two ends of the second oil pipe have the same vibration frequency, i.e., the forces acting on both ends of the second oil pipe are coordinated to prevent loosening or oil leakage. The excavator radiator structure of the present invention is simple and easy to install.

[0016] An embodiment of the present utility model further provides an excavator, comprising the excavator radiator structure described in any one of the above embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a partial three-dimensional schematic diagram of the radiator structure of an excavator according to an embodiment of the utility model;

[0018] Figure 2 for Figure 1 A magnified view of the local area A;

[0019] Figure 3 for Figure 1 A partial three-dimensional exploded view of the . DETAILED DESCRIPTION

[0020] Below, in conjunction with the accompanying drawings and specific embodiments, the utility model is further described:

[0021] like Figures 1 to 3 As shown, an embodiment of the present invention provides an excavator radiator structure, including an oil radiator 1 and an air-cooling radiator 3 and a fixing structure 2 arranged on the oil radiator 1.

[0022] The oil radiator 1 has an oil cavity for accommodating hydraulic oil. The outer wall of the oil radiator 1 is provided with a first oil port 11 and a second oil port 12 connected to the oil cavity, wherein the first oil port 11 is an oil inlet and the second oil port 12 is an oil outlet; the first oil port 11 is connected to a first oil pipe 111 through a joint, and the first oil pipe 111 is used to connect to the oil tank 100; the second oil port 12 is located on one side of the first oil port 11 and is connected to a second oil pipe 121 through a joint, and the second oil pipe 121 extends toward the oil tank 100 to form a connecting end 1211, and the connecting end 1211 is connected to the oil tank 100. It is connected to the oil tank 100 through a delivery pipe 1212; specifically, the oil radiator 1 has a first outer wall 13 and a second outer wall 14 perpendicular to the first outer wall 13, the first outer wall 13 is provided with a second oil port 12, in this embodiment, the top of the first outer wall 13 is provided with a second oil port 12, the second oil port 12 is located on the side of the first outer wall 13 close to the oil tank 100, the bottom of the first outer wall 13 is provided with a first oil port 11, and the second outer wall 14 is close to the oil tank 100 relative to the first outer wall 13; the air-cooled radiator 3 is arranged on the top surface of the oil radiator 1.

[0023] The fixing structure 2 includes a fixing plate 21 located on one side of the second oil port 12 and fixed to the outer wall of the oil radiator 1. Specifically, the upper end and the lower end of the fixing plate 21 are fixedly connected to the outer walls of the air-cooled radiator 3 and the oil radiator 1, respectively. More specifically, the upper end of the fixing plate 21 is fixedly connected to the lower end of the air-cooled radiator 3 by screws, and the lower end of the fixing plate 21 is fixedly connected to the top of the oil radiator 1 by screws to fix the air-cooled radiator 3 and the oil radiator 1. In this embodiment, the lower end of the fixing plate 21 is fixed to the top of the second outer wall 14 by screws and extends toward the connecting end 1211 to form a fixing portion 211; the fixing plate 21 is fixed with a mounting plate 22, and the mounting plate 22 extends toward the connecting end 1211 to form a mounting portion 221, and the mounting portion 221 is connected to the connecting end 1211 to fix the two ends of the second oil pipe 121 on the oil radiator 1, so as to avoid the two ends of the second oil pipe 121 being respectively fixed on the oil radiator 1 and the cover of the excavator to have different vibration frequencies, so that the vibration frequencies of the two ends of the second oil pipe 121 are the same, that is, the forces at the two ends of the second oil pipe 121 are coordinated to prevent it from loosening or leaking oil, and the structure is simple and the installation is easy. The first oil pipe 111 and the second oil pipe 121 of the excavator radiator structure can be assembled on the assembly line and then put on the production line, which will not affect the process route.

[0024] Specifically, the mounting plate 22 is fixed on the fixing portion 211. In this embodiment, the free end of the fixing portion 211 is bent and extended toward the second oil port 12 to form an extension portion 2111. The extension portion 2111 is parallel to the second outer wall 14 and there is a distance between the two to form an accommodating space. The mounting plate 22 is fixed on the extension portion 2111 by screws.

[0025] Specifically, the bottom end of the mounting plate 22 is integrally bent and extended toward the connecting end 1211 to form the mounting portion 221. The mounting portion 221 is secured to the connecting end 1211 by U-shaped bolts 223 and is perpendicular to the mounting plate 22. To enhance structural strength, a reinforcing rib 23 is welded and secured between the mounting portion 221 and the mounting plate 22. The upper surface of the mounting plate 22 is provided with a mounting hole 222 corresponding to the screw hole in the mounting portion 221. The mounting hole 222 extends through the upper end of the mounting plate 22 and extends in the vertical direction to compensate for machining and assembly errors, ensuring smooth installation. Screws (unnumbered) are located within the mounting hole 222 to connect the fixing plate 21 to the upper end of the mounting plate 22.

[0026] The excavator radiator structure of the present invention comprises a fixing plate disposed on the outer wall of the oil radiator, and a mounting plate fixed to the fixing plate. The mounting plate extends toward the connecting end of the second oil pipe to form a mounting portion, which is connected to the connecting end, thereby securing both ends of the second oil pipe to the oil radiator. This avoids the situation where the two ends of the second oil pipe are separately fixed to the oil radiator and the excavator cover, resulting in different vibration frequencies. Instead, the two ends of the second oil pipe have the same vibration frequency, i.e., the forces acting on both ends of the second oil pipe are coordinated to prevent loosening or oil leakage. The excavator radiator structure of the present invention is simple and easy to install.

[0027] An embodiment of the present invention further provides an excavator (not shown), comprising the excavator radiator structure described in any one of the above embodiments.

[0028] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein, and these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. Excavator radiator structure, characterized in that: It includes an oil radiator and a fixing structure arranged on the oil radiator; The oil radiator has an oil cavity inside, and an outer wall of the oil radiator is provided with a first oil port and a second oil port communicating with the oil cavity, the first oil port is connected to a first oil pipe, and the first oil pipe is used to communicate with the oil tank, the second oil port is located on one side of the first oil port and is connected to a second oil pipe, and the second oil pipe extends toward the oil tank to form a connecting end, and the connecting end is communicated with the oil tank; The fixing structure includes a fixing plate located on one side of the second oil port and fixed on the outer side wall of the oil radiator. The fixing plate is fixed with a mounting plate. The mounting plate extends toward the connecting end to form a mounting portion, and the mounting portion is connected to the connecting end.

2. The excavator radiator structure according to claim 1, characterized in that: The oil radiator has a first outer wall and a second outer wall, the first outer wall is provided with the second oil port, the second outer wall is closer to the oil tank relative to the first outer wall, the fixing plate is fixed on the second outer wall and extends toward the connecting end to form a fixing portion, and the mounting plate is fixed on the fixing portion.

3. The excavator radiator structure according to claim 2, characterized in that: The free end of the fixing portion is bent and extended toward the second oil port to form an extension portion, and the mounting plate is fixed on the extension portion.

4. The excavator radiator structure according to claim 1, characterized in that: It comprises an air-cooling radiator arranged on the top surface of the oil radiator, and the upper end and the lower end of the fixing plate are fixedly connected to the outer side walls of the air-cooling radiator and the oil radiator respectively.

5. The excavator radiator structure according to claim 1, characterized in that: The bottom end of the mounting plate is bent and extended toward the connecting end to form the mounting portion, and the mounting portion is fixed to the connecting end via a U-shaped bolt.

6. The excavator radiator structure according to claim 1, characterized in that: The upper end surface of the mounting plate is provided with a mounting hole, which passes through the upper end of the mounting plate and extends in the up-down direction. A screw for connecting the fixing plate and the upper end of the mounting plate is provided in the mounting hole.

7. The excavator radiator structure according to claim 1, characterized in that: A reinforcing rib is fixed between the mounting portion and the mounting plate.

8. The excavator radiator structure according to claim 1, characterized in that: It includes an air-cooled radiator arranged on the top surface of the oil radiator, the second oil port is provided on the top of the first outer wall of the oil radiator away from the oil tank, the second oil port is located on the side of the first outer wall close to the oil tank, the first oil port is provided at the bottom of the first outer wall, the upper end of the fixing plate is fixedly connected to the lower end of the air-cooled radiator by screws, and the lower end of the fixing plate is fixedly connected to the top of the oil radiator by screws.

9. Excavator, characterized in that The radiator structure for an excavator comprises the radiator structure for an excavator according to any one of claims 1 to 8.

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