CN219508704U - Double-power-driven hydraulic excavator - Google Patents
Double-power-driven hydraulic excavator Download PDFInfo
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- CN219508704U CN219508704U CN202320680220.8U CN202320680220U CN219508704U CN 219508704 U CN219508704 U CN 219508704U CN 202320680220 U CN202320680220 U CN 202320680220U CN 219508704 U CN219508704 U CN 219508704U
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- hydraulic excavator
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Abstract
The utility model relates to a double-power-driven hydraulic excavator, which comprises an excavator body, a heat radiation assembly and a filter screen, wherein the excavator body is provided with a power box, a diesel engine and a motor which are connected with the excavator body are arranged in the power box, the heat radiation assembly is connected with the power box in a sliding manner, the heat radiation assembly can slide to a first position and a second position, when the heat radiation assembly slides to the first position, the heat radiation end of the heat radiation assembly faces towards the diesel engine, when the heat radiation assembly slides to the second position, the heat radiation end of the heat radiation assembly faces towards the motor, and the filter screen is arranged at an opening arranged on the side wall of the power box so as to enable the power box to be communicated with the outside; the problems that two sets of heat dissipation structures are needed to be equipped for heat dissipation treatment of the diesel engine and the motor in order to ensure stable operation of the diesel engine and the motor and the cost is high are solved.
Description
Technical Field
The utility model relates to the technical field of excavators, in particular to a double-power-driven hydraulic excavator.
Background
Compared with the traditional excavator, the oil-electricity double-power hydraulic excavator has the advantages that when the power source requirement is large, the diesel engine can be switched to serve as the power source, when the power source requirement is small, the motor can be switched to serve as the power source, and meanwhile, the cooling system is required to be correspondingly arranged to ensure stable operation of the diesel engine and the motor.
For example, the independent heat dissipation system of the oil-electricity dual-power hydraulic excavator provided by the utility model application with the application number of CN202111132480.3 is divided into two systems: the system drives a fan pump which the first main pump belongs to for the engine, so that a fan motor which the hydraulic oil independent radiator belongs to is driven to rotate, and the hydraulic oil independent radiator is cooled; meanwhile, the engine directly drives the fan cooling water radiator to ensure that the engine keeps reasonable heat balance and works normally and stably. The other set of system is that the motor drives the fan pump which the second main pump belongs to, so as to drive the fan motor which the hydraulic oil independent radiator belongs to, drive the fan to rotate and cool the hydraulic oil independent radiator; meanwhile, the motor is provided with a fan for cooling, so that the motor can keep the normal working temperature, the fan is connected with a main shaft of the motor and is synchronous with the rotating speed of the motor, and the motor is cooled by the fan to reduce the temperature of an engine.
However, in order to ensure stable operation of the diesel engine and the motor, two sets of heat dissipation structures are required to be provided for heat dissipation treatment of the diesel engine and the motor, and the cost is high.
Disclosure of Invention
In view of the above, it is necessary to provide a dual-power-driven hydraulic excavator to solve the problem that two sets of heat dissipation structures are required to perform heat dissipation treatment on the diesel engine and the motor in order to ensure stable operation of the diesel engine and the motor, and the cost is high.
The utility model provides a double-power-driven hydraulic excavator, which comprises an excavator body, a heat dissipation assembly and a filter screen, wherein the excavator body is provided with a power box, a diesel engine and a motor which are connected with the excavator body are installed in the power box, the heat dissipation assembly is connected with the power box in a sliding mode, the heat dissipation assembly can slide to a first position and a second position, when the heat dissipation assembly slides to the first position, the heat dissipation end of the heat dissipation assembly faces towards the diesel engine, when the heat dissipation assembly slides to the second position, the heat dissipation end of the heat dissipation assembly faces towards the motor, and the filter screen is installed at an opening arranged on the side wall of the power box so as to enable the power box to be communicated with the outside.
Further, the heat dissipation assembly comprises a fan, the fan forms the heat dissipation end, and the fan is in sliding connection with the power box.
Further, the heat dissipation assembly further comprises a pushing piece, the pushing piece is installed in the power box, and the output end of the pushing piece is connected with the fan and used for driving the fan to slide between a first position and a second position.
Further, the fan is slidably connected to the power box via a sliding member.
Further, the sliding piece comprises two sliding rods which are arranged in parallel, the two sliding rods are fixedly connected with the power box, and the two sliding rods respectively penetrate through two through holes formed in the top of the fan.
Furthermore, the two sliding rods are hollow, two ends of one sliding rod are respectively communicated with two ends of the other sliding rod through a connecting pipe, an annular cooling pipeline is formed between the two sliding rods and the two connecting pipes, and cooling liquid can be contained in the cooling pipeline.
Further, a water pump and a refrigerator are arranged on one of the connecting pipes.
Further, the pushing part is an oil cylinder.
Further, the fan comprises a shell, blades, a rotating shaft and a motor, wherein the shell is in sliding connection with the power box, a plurality of air guide grooves are formed in the shell, the blades are rotatably connected with the shell through the rotating shaft, the blades are arranged on one side, close to the diesel engine or the motor, of the shell, the motor is fixedly arranged on the shell, and the output end of the motor is connected with the rotating shaft.
Further, the filter screen comprises a first filter screen and a second filter screen, wherein the horizontal height of the first filter screen is larger than that of the shell, and the horizontal height of the second filter screen is smaller than that of the shell.
Compared with the prior art, the heat dissipation assembly can slide to the first position and the second position, when the heat dissipation assembly slides to the first position, the heat dissipation end of the heat dissipation assembly faces the diesel engine, when the heat dissipation assembly slides to the second position, the heat dissipation end of the heat dissipation assembly faces the motor, heat in the power box is led out from the opening, and the excavator body can conduct heat dissipation treatment on the diesel engine and the motor respectively only by being provided with one set of heat dissipation structure, so that the cost is saved.
Drawings
FIG. 1 is a schematic view of the overall structure of a dual power driven hydraulic excavator according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a power box in a double-power-driven hydraulic excavator according to an embodiment of the present utility model;
FIG. 3 is a schematic structural view of a heat dissipating assembly in a dual power driven hydraulic excavator according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a connection between a slide bar and a connecting pipe in a double-power-driven hydraulic excavator according to an embodiment of the present utility model.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
The utility model provides a double-power-driven hydraulic excavator, which comprises an excavator body 100, a heat radiation assembly 200 and a filter screen 300, wherein the excavator body 100 is provided with a power box 110, a diesel engine 120 and a motor 130 which are connected with the excavator body 100 are arranged in the power box 110, the heat radiation assembly 200 is in sliding connection with the power box 110, the heat radiation assembly 200 can slide to a first position and a second position, when the heat radiation assembly 200 slides to the first position, the heat radiation end of the heat radiation assembly 200 faces the diesel engine 120, when the heat radiation assembly 200 slides to the second position, the heat radiation end of the heat radiation assembly 200 faces the motor 130, and the filter screen 300 is arranged at an opening arranged on the side wall of the power box 110 so as to enable the power box 110 to be communicated with the outside.
When the heat dissipation assembly 200 slides to the first position, the heat dissipation end of the heat dissipation assembly 200 faces the diesel engine 120, and when the heat dissipation assembly 200 slides to the second position, the heat dissipation end of the heat dissipation assembly 200 faces the motor 130, heat in the power box 110 is led out from the opening, and the excavator body 100 can respectively conduct heat dissipation treatment on the diesel engine 120 and the motor 130 only by being provided with a set of heat dissipation structure, so that the cost is saved.
The excavator body 100 in the present embodiment is a structure that can be conceived by those skilled in the art.
The power box 110 in this embodiment provides a power source for the operation of the excavator body 100. The excavator body 100 has a power box 110, and a diesel engine 120 and a motor 130 connected to the excavator body 100 are installed in the power box 110.
The heat radiation module 200 in the present embodiment performs heat radiation treatment for the diesel engine 120 or the motor 130. Specifically, the heat dissipating assembly 200 is slidably connected to the power box 110, and the heat dissipating assembly 200 is slidable to a first position and a second position, when the heat dissipating assembly 200 is slid to the first position, the heat dissipating end of the heat dissipating assembly 200 faces the diesel engine 120, and when the heat dissipating assembly 200 is slid to the second position, the heat dissipating end of the heat dissipating assembly 200 faces the motor 130.
In one embodiment, the heat dissipating assembly 200 includes a fan 210, the fan 210 forming a heat dissipating end, the fan 210 being slidably coupled to the power case 110.
To facilitate sliding the fan 210, in one embodiment, the heat dissipating assembly 200 further includes a pushing member 220, wherein the pushing member 220 is installed in the power box 110, and an output end of the pushing member 220 is connected to the fan 210 to drive the fan 210 to slide between the first position and the second position.
The pushing member 220 may adopt a structure such as an oil cylinder, an electric push rod, etc.
In one embodiment, the fan 210 is slidably coupled to the power case 110 via a slider 230. The sliding member 230 includes two sliding rods disposed in parallel, each of the two sliding rods is fixedly connected to the power box 110, and the two sliding rods respectively pass through two through holes formed at the top of the fan 210.
In order to enhance the heat dissipation effect, in one embodiment, the two sliding rods are hollow, wherein two ends of one sliding rod are respectively communicated with two ends of the other sliding rod through a connecting pipe, an annular cooling pipeline is formed between the two sliding rods and the two connecting pipes, and cooling liquid can be contained in the cooling pipeline. Wherein, a water pump 231 and a refrigerator 232 are installed on one of the connection pipes.
In one embodiment, the fan 210 includes a housing, a blade, a rotating shaft and a motor, the housing is slidably connected with the power box 110, a plurality of air guiding slots are formed on the housing, the blade is rotatably connected with the housing through the rotating shaft, the blade is disposed on one side of the housing, which is close to the diesel engine 120 or the motor 130, the motor is fixedly disposed on the housing, and an output end of the motor is connected with the rotating shaft.
To facilitate heat exchange between the interior of the power box 110 and the outside, in one embodiment, the screen 300 includes a first screen 310 and a second screen 320, the first screen 310 having a level greater than the level of the housing and the second screen 320 having a level less than the level of the housing.
Compared with the prior art: when the heat dissipation assembly 200 slides to the first position, the heat dissipation end of the heat dissipation assembly 200 faces the diesel engine 120, when the heat dissipation assembly 200 slides to the second position, the heat dissipation end of the heat dissipation assembly 200 faces the motor 130, heat in the power box 110 is led out from the opening, and the excavator body 100 can conduct heat dissipation treatment on the diesel engine 120 and the motor 130 respectively only by being provided with a set of heat dissipation structure, so that the cost is saved.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. The double-power-driven hydraulic excavator is characterized by comprising an excavator body, a heat dissipation assembly and a filter screen;
the excavator body is provided with a power box, and a diesel engine and a motor which are connected with the excavator body are installed in the power box;
the heat dissipation assembly is in sliding connection with the power box, the heat dissipation assembly can slide to a first position and a second position, when the heat dissipation assembly slides to the first position, the heat dissipation end of the heat dissipation assembly faces the diesel engine, and when the heat dissipation assembly slides to the second position, the heat dissipation end of the heat dissipation assembly faces the motor;
the filter screen is arranged at an opening arranged on the side wall of the power box so that the power box is communicated with the outside.
2. The dual power driven hydraulic excavator of claim 1 wherein the heat sink assembly comprises a fan which forms the heat sink end, the fan being in sliding connection with the power box.
3. The dual power driven hydraulic excavator of claim 2 wherein the heat sink assembly further comprises a pushing member mounted within the power box, the pushing member having an output connected to the fan for driving the fan to slide between the first and second positions.
4. The dual power driven hydraulic excavator of claim 2 wherein the fan is slidingly connected to the power box via a slide.
5. The double power driven hydraulic excavator of claim 4 wherein the slide comprises two slide bars arranged in parallel, both of the slide bars being fixedly connected to the power box, both of the slide bars being arranged through two through holes formed in the top of the fan.
6. The double power driven hydraulic excavator of claim 5 wherein the two slide bars are hollow and wherein the two ends of one slide bar are respectively connected to the two ends of the other slide bar via a connecting pipe, an annular cooling line is formed between the two slide bars and the two connecting pipes, and the cooling line is capable of containing a cooling fluid.
7. The double power driven hydraulic excavator of claim 6 wherein one of the connection pipes is fitted with a water pump and a chiller.
8. The dual power driven hydraulic excavator of claim 3 wherein the pushing element is a ram.
9. The double-power-driven hydraulic excavator according to claim 2, wherein the fan comprises a housing, blades, a rotating shaft and a motor, the housing is in sliding connection with the power box, a plurality of air guide grooves are formed in the housing, the blades are in rotating connection with the housing through the rotating shaft, the blades are arranged on one side, close to the diesel engine or the motor, of the housing, the motor is fixedly arranged on the housing, and the output end of the motor is connected with the rotating shaft.
10. The dual power driven hydraulic excavator of claim 9 wherein the screen comprises a first screen and a second screen, the first screen having a level greater than the level of the housing and the second screen having a level less than the level of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320680220.8U CN219508704U (en) | 2023-03-30 | 2023-03-30 | Double-power-driven hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320680220.8U CN219508704U (en) | 2023-03-30 | 2023-03-30 | Double-power-driven hydraulic excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219508704U true CN219508704U (en) | 2023-08-11 |
Family
ID=87524439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320680220.8U Active CN219508704U (en) | 2023-03-30 | 2023-03-30 | Double-power-driven hydraulic excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219508704U (en) |
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2023
- 2023-03-30 CN CN202320680220.8U patent/CN219508704U/en active Active
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