CN218955304U

CN218955304U - Chassis cooling system of rock drilling equipment

Info

Publication number: CN218955304U
Application number: CN202320068308.4U
Authority: CN
Inventors: 龚俊; 宋祖源; 刘健; 何良军; 陈纪军
Original assignee: Hunan Wuxin Tunnel Intelligent Equipment Co Ltd
Current assignee: Hunan Wuxin Tunnel Intelligent Equipment Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-02
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to the field of heat dissipation, in particular to a chassis cooling system of rock drilling equipment, which comprises a main radiator, wherein the main radiator comprises a fan and a heat dissipation water tank, and the fan is arranged on the side surface of the heat dissipation water tank; the radiating water tank is connected into the water cooling system and used for radiating heat of the water cooling system; the main radiator is arranged at the tail part of the cabin body to form an air cooling system flowing from the inside of the cabin body to the outside of the cabin body. According to the utility model, the heat exchange efficiency between the cooling liquid and the external environment is improved by utilizing the fan on the basis of the water cooling system, and meanwhile, the air cooling system is formed in the cabin body by utilizing the fan, so that the heat dissipation efficiency of the rock drilling equipment is improved under the condition that the volume of the rock drilling equipment is not increased, and the rock drilling equipment can adapt to a severe operation environment.

Description

Chassis cooling system of rock drilling equipment

Technical Field

The utility model relates to the field of heat dissipation, in particular to a chassis cooling system of rock drilling equipment.

Background

The working environment of the rock drilling equipment is severe and is generally positioned in underground, mine channels and other positions, the working environment is high in temperature and humidity, the temperature reduction of the battery pack, the motor controller, the vehicle-mounted charger and other equipment needs to be ensured in the operation process, and otherwise, the whole machine is easy to downtime. In traditional heat dissipation design, water cooling is generally adopted for heat dissipation, but in the severe working environment of rock drilling equipment, heat dissipation is difficult to meet the requirement only by means of water cooling, and the volume of the rock drilling equipment is increased due to the fact that other heat dissipation structures are additionally arranged, so that the operation of the rock drilling equipment is affected.

Disclosure of Invention

In order to solve the heat dissipation problem of the rock drilling equipment and not increase the volume of the rock drilling equipment as much as possible, the utility model provides a chassis cooling system of the rock drilling equipment, which has the following specific technical scheme.

The chassis cooling system of the rock drilling equipment comprises a main radiator, wherein the main radiator comprises a fan and a radiating water tank, and the fan is arranged on the side surface of the radiating water tank; the radiating water tank is connected into the water cooling system and used for radiating heat of the water cooling system; the main radiator is arranged at the tail part of the cabin body to form an air cooling system flowing from the inside of the cabin body to the outside of the cabin body.

Optionally, the water cooling system includes a first cooling water pump, the first cooling water pump communicates with the heat dissipation water tank and is connected in series with a motor controller, a motor, a battery pack, and a cooling pipeline of the vehicle-mounted charger.

Optionally, the water cooling system comprises a first cooling water pump and a second cooling water pump; the first cooling water pump is communicated with the radiating water tank and is connected with a motor controller, a motor and a cooling pipeline of the vehicle-mounted charger in series; and the second cooling water pump is communicated with the radiating water tank and is connected with a cooling pipeline of the battery pack in series.

Further, the front end of the cabin body is provided with an air port for low-temperature air to enter, and parts in the cabin body are arranged on the side edge of the cabin body, so that a flow passage for accommodating air flow to pass through is formed in the middle of the cabin body, and the low-temperature air flow is discharged from the fan at the tail of the cabin body through the flow passage.

Further, the main radiator further comprises a heat radiation oil tank, wherein the heat radiation oil tank is arranged below the heat radiation water tank and is positioned on the side face of the fan, and the heat radiation oil tank is communicated with the hydraulic oil tank and used for radiating heat of hydraulic oil.

Further, the radiating water tank is also connected with an expansion water tank.

The beneficial effects are that: according to the chassis cooling system of the rock drilling equipment, provided by the utility model, the heat exchange efficiency between the cooling liquid and the external environment is improved by utilizing the fan on the basis of the water cooling system, and meanwhile, the air cooling system is formed in the cabin body by utilizing the fan, so that the heat dissipation efficiency of the rock drilling equipment is improved under the condition that the volume of the rock drilling equipment is not increased, and the rock drilling equipment can adapt to a severe operation environment.

Drawings

Fig. 1 is a schematic view of a rock drilling rig chassis with a top cover removed;

fig. 2 is a schematic view of a rock drilling rig chassis with a portion of the side cover removed;

FIG. 3 is a schematic diagram of a water cooling system;

FIG. 4 is a second schematic diagram of a water cooling system;

fig. 5 is a schematic view of a radiator tank and a radiator tank.

Reference numerals: 1. a motor controller; 2. a motor; 3. a battery pack; 4. a vehicle-mounted charger; 5. a hydraulic oil tank; 6. an air compressor; 7. a fan; 8. a heat radiation water tank; 9. a first cooling water pump; 10. a second cooling water pump; 11. an expansion tank; 12. and a heat radiation oil tank.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Examples

The embodiment provides a chassis cooling system of rock drilling equipment, installs the covering above this chassis, forms the cabin in the covering is inside, installs parts such as motor controller 1, motor 2, group battery 3, on-vehicle charger 4, hydraulic tank 5, air compressor machine 6 in the cabin, and this cooling system mainly used cools off above parts. Specifically, referring to fig. 1, the cooling system comprises a main radiator, the main radiator comprises a fan 7 and a radiating water tank 8, the fan 7 is arranged on the side surface of the radiating water tank 8, the radiating water tank 8 is connected into the water cooling system, and the cooling liquid in the water cooling system is subjected to heat exchange through the fan 7; and the main radiator is arranged at the tail part of the cabin body, so that the fan 7 faces to the outer side of the cabin body, negative pressure is formed in the cabin body when the fan 7 is started, cold air in the mine channel enters the cabin body from a gap of the cabin body and then is discharged outwards from the fan 7, and an air cooling system flowing from the inside of the cabin body to the outside of the cabin body is formed.

According to the chassis cooling system of the rock drilling equipment, provided by the embodiment, the heat exchange efficiency between the cooling liquid and the external environment is improved by utilizing the fan 7 on the basis of the water cooling system, and meanwhile, the air cooling system is formed in the cabin by utilizing the fan 7, so that the heat dissipation efficiency of the rock drilling equipment is improved under the condition that the volume of the rock drilling equipment is not increased, and the rock drilling equipment can adapt to a severe operation environment.

Specifically, in the present embodiment, there are two arrangements of the water cooling system, one of which is shown with reference to fig. 3, and the cooling liquid circulation is performed using only one cooling water pump, namely, the first cooling water pump 9. Specifically, the first cooling water pump 9 is communicated with the radiating water tank 8 and is sequentially connected in series with the cooling pipelines of the motor controller 1, the motor 2, the battery pack 3 and the vehicle-mounted charger 4, so that cooling liquid circularly flows among the radiating water tank 8, the first cooling water pump 9, the cooling pipeline of the motor controller 1, the cooling pipeline of the motor 2, the cooling pipeline of the battery pack 3 and the cooling pipeline of the vehicle-mounted charger 4, and a single cooling circulation runner is adopted for water cooling, so that the occupied volume of a water cooling system is reduced. Alternatively, as shown in fig. 4, two cooling water pumps, namely, a first cooling water pump 9 and a second cooling water pump 10 are used to circulate the cooling liquid. Specifically, the first cooling water pump 9 is communicated with the radiating water tank 8 and is connected in series with the cooling pipelines of the motor controller 1, the motor 2 and the vehicle-mounted charger 4 in sequence; the second cooling water pump 10 is communicated with the radiating water tank 8 and is connected in series with a cooling pipeline of the battery pack 3. Circulating the coolant among the radiator tank 8, the first coolant pump 9, the cooling line of the motor controller 1, the cooling line of the motor 2, and the cooling line of the in-vehicle charger 4; and in addition, a cooling liquid circulation flow passage is formed among the cooling water tank 8, the second cooling water pump 10 and the cooling pipelines of the battery pack 3, so that the cooling effect on the battery pack 3 is improved. The radiating water tank 8 is also connected with an expansion water tank 11, and the expansion water tank 11 compensates and adjusts the pressure of the cooling liquid of the water cooling system.

Specifically, referring to fig. 1, an air port for low-temperature air to enter is formed at the front end of the cabin, and parts are arranged in the cabin along the side edge of the cabin, so that a flow passage for accommodating air flow to pass through is formed in the middle of the cabin, and the low-temperature air takes away heat on the surfaces of the parts after flowing through the flow passage and is discharged by a fan at the tail of the cabin, so that the air cooling and heat dissipation effects are improved.

Specifically, referring to fig. 5, the main radiator further includes a radiator tank 12, the radiator tank 12 is mounted below the radiator tank 8 and located at a side of the fan 7, the radiator tank 12 communicates with the hydraulic tank 5, and radiates heat of the hydraulic oil while the fan 7 rotates. The hydraulic oil tank 5 and the radiating oil tank 12 are integrated on the main radiator, so that the overall structure of the rock drilling equipment is more compact and the volume is further reduced.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model.

Claims

1. The chassis cooling system of the rock drilling equipment is characterized by comprising a main radiator, wherein the main radiator comprises a fan and a radiating water tank, and the fan is arranged on the side surface of the radiating water tank; the radiating water tank is connected into the water cooling system and used for radiating heat of the water cooling system; the main radiator is arranged at the tail part of the cabin body to form an air cooling system flowing from the inside of the cabin body to the outside of the cabin body.

2. The chassis cooling system of a rock drilling apparatus according to claim 1, wherein the water cooling system includes a first cooling water pump, which is in communication with the radiator tank and is connected in series with a cooling line of the motor controller, the motor, the battery pack, the car charger.

3. A chassis cooling system of a rock drilling rig according to claim 1, characterized in that the water cooling system comprises a first cooling water pump and a second cooling water pump; the first cooling water pump is communicated with the radiating water tank and is connected with a motor controller, a motor and a cooling pipeline of the vehicle-mounted charger in series; and the second cooling water pump is communicated with the radiating water tank and is connected with a cooling pipeline of the battery pack in series.

4. A chassis cooling system for a rock drilling rig according to claim 1, wherein the front end of the cabin is provided with a tuyere for the ingress of a cryogenic air flow, and the components in the cabin are arranged on the sides of the cabin so that the middle of the cabin forms a flow passage for the passage of the cryogenic air flow, which is discharged from the fan at the rear of the cabin through the flow passage.

5. The chassis cooling system of a rock drilling apparatus according to claim 1, wherein the main radiator further comprises a radiator tank mounted below the radiator tank and located at a side of the fan, the radiator tank being in communication with the hydraulic tank for heat dissipation of hydraulic oil.

6. A chassis cooling system for a rock drilling rig according to any one of claims 1-5, characterized in that the radiator tank is also connected with an expansion tank.