Long-endurance hydrogen energy excavator structure

Abstract

This utility model discloses a structure for a long-endurance hydrogen-powered excavator, belonging to the field of excavator technology. It includes a frame, with a fixed bracket at the rear of the frame. A liquid hydrogen storage tank is fixedly connected to the upper end of the fixed bracket. A hydraulic oil tank is fixedly mounted on the frame, and a hydraulic pump is fixedly connected to the hydraulic oil tank. A motor is fixedly mounted on the hydraulic pump, and the lower part of the motor is fixedly connected to the frame. A cab is fixedly connected to the front of the frame. A lithium battery pack and a hydrogen fuel cell engine are also fixedly mounted on the frame. A reinforcing frame is fixedly connected to the center of the front of the frame. The liquid hydrogen in the storage tank is vaporized into hydrogen gas, which is then fed into the hydrogen fuel cell engine and converted into electrical energy, generating a large amount of heat. The electrical energy powers the motor, driving the hydraulic pump to operate, providing kinetic energy for excavation. Compared to traditional excavators, this design achieves energy saving, environmental friendliness, and low noise.

Description

Technical Field

[0001] This utility model belongs to the field of excavator technology, and in particular relates to a structure for a long-endurance hydrogen-powered excavator. Background Technology

[0002] An excavator, also known as a digging machine or a soil excavator, is an earthmoving machine that uses a bucket to dig materials above or below the machine's bearing surface and load them into transport vehicles or unload them into a stockpile.

[0003] Traditional excavators are fuel-powered and emit a lot of pollutants, and the operating noise of fuel engines is also relatively loud, which makes traditional fuel-powered excavators environmentally unfriendly.

[0004] To address these issues, we propose a long-range hydrogen-powered excavator structure. Utility Model Content

[0005] The purpose of this invention is to solve the environmental problems of traditional fuel-powered excavators by proposing a structure for a long-endurance hydrogen-powered excavator.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A long-endurance hydrogen-powered excavator structure includes a frame, a mounting bracket fixedly connected to the rear of the frame, a liquid hydrogen storage tank fixedly connected to the upper end of the mounting bracket, a hydraulic oil tank fixedly mounted on the frame, a hydraulic pump fixedly connected to the hydraulic oil tank, a motor fixedly mounted on the hydraulic pump, the lower part of the motor fixedly connected to the frame, a cab fixedly connected to the front of the frame, and a lithium battery pack and a hydrogen fuel engine also fixedly mounted on the frame. The liquid hydrogen in the storage tank is vaporized into hydrogen gas, which is then fed into the hydrogen fuel engine and converted into electrical energy, generating a large amount of heat in the process. The electrical energy powers the motor, driving the hydraulic pump to operate, providing kinetic energy for the excavation operation. This design reduces pollution compared to traditional excavators.

[0008] Preferably, a reinforcing frame is fixedly connected to the center of the front part of the frame. The reinforcing frame is fixed in the gap at the front of the frame to increase the stability of the front structure of the frame.

[0009] Preferably, a counterweight is fixedly connected to the tail of the fixed frame. The counterweight increases the weight at the tail, which is used to balance the gravity at the front of the frame, shifting the gravity to the middle of the frame and improving overall balance.

[0010] Preferably, a radiator is fixedly connected to the upper end of the counterweight. The heat generated by the hydrogen fuel cell engine, hydraulic pump, and motor is dissipated into the atmosphere by the airflow generated by the radiator, keeping the hydraulic pump, motor, and hydrogen fuel cell engine within a suitable operating temperature range and increasing their normal operating time.

[0011] Preferably, the radiator is externally fixedly connected to a baffle. This baffle, positioned on the outside of the radiator, prevents large particles of impurities from entering the radiator and helps protect the fan blades inside.

[0012] Preferably, a curved windshield is fixedly connected to the upper part of the cab. The curved windshield protects the environment inside the cab and increases the upward viewing angle, facilitating driving operations.

[0013] In summary, the technical effects and advantages of this utility model are as follows:

[0014] 1. After the liquid hydrogen in the liquid hydrogen storage tank is vaporized and converted into hydrogen gas, it is fed into the hydrogen fuel engine and converted into electrical energy. At the same time, a large amount of heat is generated. The electrical energy powers the motor to rotate and drives the hydraulic pump to work. The hydraulic pump provides kinetic energy for the excavation operation, which is energy-saving, environmentally friendly and low-noise compared to traditional excavators.

[0015] 2. Use a reinforcing frame to fix the gap at the front of the frame to increase the stability of the front structure of the frame.

[0016] 3. Use counterweights to increase the weight at the tail end, which is used to balance the weight at the front of the frame, shifting the weight to the middle of the frame and improving overall balance.

[0017] 4. The heat generated by the hydrogen fuel engine, hydraulic pump, and motor is blown into the atmosphere by the airflow created by the radiator, keeping the hydraulic pump, motor, and hydrogen fuel engine within a suitable operating temperature range and increasing the normal operating time of the hydraulic pump, motor, and hydrogen fuel engine.

[0018] 5. By placing a shield on the outside of the radiator, large particles of impurities are prevented from entering the radiator, thus protecting the fan blades inside the radiator.

[0019] 6. The curved windshield is used to shield the driver's cab, protecting the environment inside. The curved structure of the windshield also increases the upward viewing angle, making driving easier. Attached Figure Description

[0020] Figure 1 This is a first-view overall structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the overall structure of the present invention from a second perspective.

[0022] In the diagram: 1. Frame; 2. Fixing frame; 3. Counterweight; 4. Liquid hydrogen storage tank; 5. Hydraulic oil tank; 6. Hydraulic pump; 7. Motor; 8. Cab; 9. Radiator; 10. Hydrogen fuel engine; 11. Lithium battery pack; 12; 13. Reinforcing frame; 14. Curved windshield. Detailed Implementation

[0023] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments.

[0024] Reference Figure 1 and 2 A long-endurance hydrogen-powered excavator structure includes a frame 1, a fixed frame 2 fixedly connected to the rear of the frame 1, a liquid hydrogen storage tank 4 fixedly connected to the upper end of the fixed frame 2, a hydraulic oil tank 5 fixedly mounted on the frame 1, a hydraulic pump 6 fixedly connected to the hydraulic oil tank 5, a motor 7 fixedly mounted on the hydraulic pump 6, and the lower part of the motor 7 fixedly connected to the frame 1. A cab 8 is fixedly connected to the front of the frame 1. A lithium battery pack 11 and a hydrogen fuel engine 10 are also fixedly mounted on the frame 1. The liquid hydrogen in the liquid hydrogen storage tank 4 is vaporized and converted into hydrogen gas, which is then fed into the hydrogen fuel engine 10 and converted into electrical energy, generating a large amount of heat. The electrical energy powers the motor 7 to rotate, driving the hydraulic pump 6 to work, thus providing kinetic energy for the excavation operation.

[0025] Reference Figure 1 and 2 A reinforcing frame 13 is fixedly connected to the center of the front part of the frame 1. The reinforcing frame 13 is fixed to the gap at the front of the frame 1 to increase the stability of the front structure of the frame 1.

[0026] Reference Figure 1 and 2 A counterweight 3 is fixedly connected to the tail of the fixed frame 2. The counterweight 3 is used to increase the weight at the tail, which is used to balance the weight at the front of the frame 1 and shift the weight to the middle of the frame 1.

[0027] Reference Figure 1 and 2 A radiator 9 is fixedly connected to the upper end of the counterweight 3. The heat generated by the hydrogen fuel engine 10, hydraulic pump 6, and motor 7 is blown into the atmosphere by the airflow created by the radiator 9, keeping the hydraulic pump 6, motor 7, and hydrogen fuel engine 10 within a suitable operating temperature range.

[0028] Reference Figure 2 The radiator 9 is externally fixed with 12. 12 is used to block the outside of the radiator 9 to prevent large particles of impurities from entering the radiator 9.

[0029] Reference Figure 1 and 2 A curved windshield 14 is fixedly connected to the upper part of the cab 8. The curved windshield 14 blocks the view of the cab 8, protecting the environment inside the cab, and the curved structure of the windshield 14 increases the upward viewing angle.

[0030] Working principle: Liquid hydrogen in the liquid hydrogen storage tank 4 is vaporized and converted into hydrogen gas, which is then fed into the hydrogen fuel cell engine 10 and converted into electrical energy. Simultaneously, a large amount of heat is generated. This electrical energy powers the motor 7, driving the hydraulic pump 6. The hydraulic pump 6 provides kinetic energy for the excavation operation, reducing pollution compared to traditional excavators. The heat generated by the hydrogen fuel cell engine 10, hydraulic pump 6, and motor 7 is dissipated into the atmosphere through airflow created by the radiator 9, keeping the hydraulic pump 6, motor 7, and hydrogen fuel cell engine 10 within a suitable operating temperature range and extending their normal operating time.

[0031] The above description is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed by the utility model, based on the technical solution and the utility model concept, should be included within the protection scope of the utility model.

[0032] The description briefly mentions the application direction of the utility model in relation to existing technologies known to those skilled in the art without modification, and combines them with the utility model to form a complete technology; it avoids excessive popularization of technologies known to those skilled in the art, in order to help those skilled in the art quickly understand the main content of the utility model.

Claims

1. A long-endurance hydrogen energy excavator structure comprising a frame (1), characterized in that: A fixed frame (2) is fixedly connected to the rear of the frame (1). A liquid hydrogen storage tank (4) is fixedly connected to the upper end of the fixed frame (2). A hydraulic oil tank (5) is fixedly installed on the frame (1). A hydraulic pump (6) is fixedly connected to the hydraulic oil tank (5). A motor (7) is fixedly installed on the hydraulic pump (6). The lower part of the motor (7) is fixedly connected to the frame (1). A driver's cab (8) is fixedly connected to the front of the frame (1). A lithium battery pack (11) and a hydrogen fuel engine (10) are also fixedly installed on the frame (1).

2. A long-endurance hydrogen energy excavator structure according to claim 1, characterized by: A reinforcing frame (13) is fixedly connected to the front center of the frame (1).

3. The long-endurance hydrogen energy excavator structure of claim 1, wherein: The tail of the fixed frame (2) is fixedly connected to a counterweight (3).

4. The long-endurance hydrogen energy excavator structure of claim 3, wherein: A radiator (9) is fixedly connected to the upper end of the counterweight (3).

5. A long-endurance hydrogen energy excavator structure according to claim 4, characterized by: The radiator (9) is externally fixedly connected to (12).

6. A long-endurance hydrogen energy excavator structure according to claim 1, characterized by: The upper part of the cab (8) is fixedly connected to an arc-shaped windshield (14).

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