CN221137617U - Electric wheel dumper ventilation cooling system - Google Patents
Electric wheel dumper ventilation cooling system Download PDFInfo
- Publication number
- CN221137617U CN221137617U CN202323387324.9U CN202323387324U CN221137617U CN 221137617 U CN221137617 U CN 221137617U CN 202323387324 U CN202323387324 U CN 202323387324U CN 221137617 U CN221137617 U CN 221137617U
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- Prior art keywords
- air
- air inlet
- blower
- motor
- traction motor
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- 238000001816 cooling Methods 0.000 title claims abstract description 34
- 238000009423 ventilation Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a ventilation cooling system of an electric wheel dumper, and belongs to the technical field of production of electric wheel dumpers. The air conditioner comprises an air blower, wherein the air blower is driven by a motor, and a power input shaft of the air blower is connected with a power output shaft of the motor in a transmission way, and is characterized in that: the air inlet of the air blower is connected with an air inlet pipeline, the air outlet of the air blower is connected with an air pipe tee joint through an air outlet hard pipe, the air pipe tee joint is divided into two paths of air supply channels, and the two paths of air supply channels are respectively connected to a right traction motor and a left traction motor. The utility model has the beneficial effects that: by adopting an independently driven blower to ventilate and cool the traction motor, the traction motor is prevented from heating when the engine rotates at a low speed, and the performance and reliability of the product are improved.
Description
Technical Field
The utility model relates to a ventilation cooling system of an electric wheel dumper, and belongs to the technical field of production of electric wheel dumpers.
Background
The electric wheel dumper generally adopts a transmission system of an engine, a generator, an electric control cabinet, a traction motor and a wheel-side speed reducer, wherein heat generated by the generator, the electric control cabinet and the motor is ventilated and cooled by a blower.
Patent application number CN201911218997.7 discloses a rail vehicle and a traction motor cooling system thereof. The traction motor cooling system comprises two radiators, a cooling fan, a water pump, an air filter and a cooling liquid filter, wherein the cooling fan, the water pump, the air filter and the cooling liquid filter are arranged between the two radiators; the radiator is in fluid communication with the traction motor through a pipeline; the water pump and the coolant filter are mounted in fluid communication in the pipeline; one side of each radiator, which is away from the cooling fan, is provided with an air filter, and the air filter is used for filtering air flowing to the radiator.
Although the cooling function of the traction motor can be realized in the above patent, the prior art is not comprehensive in consideration, and has the following defects:
1. the liquid cooling system has higher installation and maintenance cost, and the electric wheel dumper lacks an installation space.
2. If the blower of the electric wheel dumper is coaxial with the engine and the generator, the blower and the engine synchronously rotate, and when the engine rotates, the blower rotates along with the engine and generates wind pressure so as to push the air of the whole air duct system to flow. The current structural cooling air quantity is positively correlated with the engine speed. When the vehicle is in a long downhill working condition, the accelerator is basically not stepped on or is seldom stepped on, and the engine runs at a low speed for a long time, the air quantity of the whole cooling system is small, and the traction motor can generate high temperature due to insufficient cooling air quantity, so that the vehicle performance is influenced.
In order to solve one of the above problems, a ventilation cooling system of an electric wheel dump truck is needed.
Disclosure of utility model
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the ventilation cooling system of the electric wheel dumper is characterized in that a cooling system of a traction motor is independent, and an independent motor is used for driving a blower to perform ventilation cooling, so that the traction motor is prevented from heating when a vehicle descends.
The utility model relates to a ventilation cooling system of an electric wheel dumper, which is characterized by comprising a blower, wherein the blower is driven by a motor, and a power input shaft of the blower is in transmission connection with a power output shaft of the motor, and is characterized in that: the air inlet of the air blower is connected with an air inlet pipeline, the air outlet of the air blower is connected with an air pipe tee joint through an air outlet hard pipe, the air pipe tee joint is divided into two paths of air supply channels, and the two paths of air supply channels are respectively connected to a right traction motor and a left traction motor.
By adopting an independently driven blower to ventilate and cool the traction motor, the traction motor is prevented from heating when the engine rotates at a low speed, and the performance and reliability of the product are improved.
Preferably, the air inlet pipeline comprises an air inlet hard pipe, one end of the air inlet hard pipe is communicated with an air inlet of the blower through a first air inlet hose, and the other end of the air inlet hard pipe is connected with an air inlet through a second air inlet hose.
Preferably, the two air supply channels are a first air supply pipeline and a second air supply pipeline respectively, the first air supply pipeline comprises a first air outlet hose, one end of the first air outlet hose is connected with a first outlet of the air pipe tee joint, and the other end of the first air outlet hose is communicated with an air inlet of the right traction motor.
Preferably, the second air supply pipeline comprises a second air outlet hose, one end of the second air outlet hose is connected with a second outlet of the air pipe tee joint, and the other end of the second air outlet hose is communicated with an air inlet of the left traction motor.
Preferably, the air inlet is made of a thin steel plate by welding and is arranged on a vehicle driving platform, and the air inlet faces the advancing direction of the vehicle.
Preferably, the air intake is responsible for introducing air into the entire ventilation system. In order to ensure the air intake quality and the air intake quantity, the air inlet is arranged on a high-level driving platform of the vehicle and faces the advancing direction of the vehicle.
Preferably, the air intake hose and the air intake wand are responsible for directing air to the blower.
The blower is mounted on a frame inside the vehicle, and drives air to flow under the drive of the motor.
The motor is mounted on the blower and drives the blower blades in rotation. The motor is driven by the power supply of the vehicle and adopts a constant rotation speed control mode. After the vehicle starts the motor to get electricity, the motor runs at the rated rotation speed, and provides stable heat radiation air quantity for the traction motor.
Compared with the prior art, the utility model has the following beneficial effects:
According to the ventilation cooling system of the electric wheel dumper, the traction motor drives the blower to perform forced cooling, the motor rotates at a constant speed, the cooling air quantity is stable, so that the traction motor can have enough cooling air quantity at a low speed of an engine, and high temperature is avoided.
According to the ventilation cooling system of the electric wheel dumper, the air inlet is responsible for introducing air into the whole ventilation system, and is arranged on a high-level driving platform of a vehicle and faces the advancing direction of the vehicle in order to ensure the air inlet quality and the air inlet quantity.
According to the ventilation cooling system of the electric wheel dumper, the two groups of air inlet hoses are designed to compensate the installation error of the system, so that vibration is reduced, and the reliability of the system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the external structure of the blower of the present utility model;
In the figure: 1. the air inlet 2, the first air inlet hose 3, the air inlet hard tube 4, the air outlet hard tube 5, the first air outlet hose 6, the right traction motor 7, the left traction motor 8, the motor 9 and the blower.
Detailed Description
The utility model is further described below with reference to the accompanying drawings: the present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Embodiment 1, as shown in fig. 1-2, the ventilation cooling system of the electric wheel dumper comprises a blower 9, wherein the blower 9 is driven by a motor 8, a power input shaft of the blower 9 is in transmission connection with a power output shaft of the motor 8, an air inlet of the blower 9 is connected with an air inlet pipeline, an air outlet of the blower 9 is connected with an air pipe tee joint through an air outlet hard pipe 4, the air pipe tee joint is divided into two air supply channels, and the two air supply channels are respectively connected to a right traction motor and a left traction motor 7.
By adopting an independently driven blower to ventilate and cool the traction motor, the traction motor is prevented from heating when the engine rotates at a low speed, and the performance and reliability of the product are improved.
Further, the air inlet pipeline comprises an air inlet hard pipe 3, one end of the air inlet hard pipe 3 is communicated with an air inlet of an air blower 9 through a first air inlet hose 2, and the other end of the air inlet hard pipe 3 is connected with an air inlet 1 through a second air inlet hose.
Embodiment 2, as shown in fig. 1-2, the ventilation cooling system of the electric wheel dumper comprises a blower 9, wherein the blower 9 is driven by a motor 8, a power input shaft of the blower 9 is in transmission connection with a power output shaft of the motor 8, an air inlet of the blower 9 is connected with an air inlet pipeline, an air outlet of the blower 9 is connected with an air pipe tee joint through an air outlet hard pipe 4, the air pipe tee joint is divided into two air supply channels, and the two air supply channels are respectively connected to a right traction motor and a left traction motor 7.
Further, the two air supply channels are a first air supply pipeline and a second air supply pipeline respectively, the first air supply pipeline comprises a first air outlet hose 5, one end of the first air outlet hose 5 is connected with a first outlet of the air pipe tee joint, and the other end of the first air outlet hose 5 is communicated with an air inlet of the right traction motor.
Further, the second air supply pipeline comprises a second air outlet hose, one end of the second air outlet hose is connected with a second outlet of the air pipe tee joint, and the other end of the second air outlet hose is communicated with an air inlet of the left traction motor 7.
Further, the air intake 1 is responsible for introducing air into the entire ventilation system. In order to ensure the air intake quality and the air intake quantity, the air inlet 1 is arranged on a high-level driving platform of the vehicle and faces the advancing direction of the vehicle.
Further, the air intake hose and the air intake hard tube 3 are responsible for guiding air to the blower 9.
Further, the blower 9 is mounted on a frame of the vehicle interior, and drives air flow by the motor 8. Further, the motor 8 is mounted on the blower 9 and drives the blower blades in rotation. The motor 8 is driven by the vehicle power supply and adopts a constant rotation speed control mode. After the vehicle starts the motor to get electricity, the motor runs at the rated rotation speed, and provides stable heat radiation air quantity for the traction motor.
Working principle:
The air inlet 1 is made of thin steel plates by welding and is arranged on a vehicle driving platform, and the air inlet faces the advancing direction of the vehicle. The air-out hard pipe 4 and the first air-out hose 5 are responsible for introducing air flow into the traction motor. The air quantity of the ventilation system is cooled by the left traction motor and the right traction motor and then discharged into the atmosphere. The first air inlet hose 2 and the second air inlet hose are all existing telescopic ventilation hoses, are made of deformable flexible materials, are respectively connected to the air inlet, the air inlet hard tube and the blower through the hose clamps, are used for compensating installation errors of the system, reducing vibration and improving system reliability. The intake hard tube 3 is made of a thin steel plate by rolling and welding, and is mounted on the vehicle interior frame. A motor 8 and a blower 9, which are assembled into 1 assembly and mounted on the frame inside the frame. The air-out hard pipe 4 is made of plates by welding, is connected with an air pipe in a three-way, equally divides the air quantity of the air channel, forms two independent air supply channels, and is respectively communicated with a left traction motor and a right traction motor. The first air outlet hose 5 and the second air outlet hose are made of flexible materials and are respectively connected to the air pipe tee joint and the left traction motor and the right traction motor through hose clamps, so that installation errors of the system are compensated, vibration is reduced, and system reliability is improved.
Interpretation of related terms
Electric wheel dump truck: the self-unloading automobile is a self-unloading automobile with a transmission system which drives a generator by an engine and drives wheels by a motor, and the general load is more than 100 tons and is mainly used for ore transportation in open-air mines.
And (3) a generator: the mechanical energy of the engine is converted into electric energy to supply power for a main circuit of the electric control system, and the electric control system is also a main power supply in the running process of the vehicle. Electric wheel dump trucks typically employ three-phase ac synchronous generators.
Traction motor: the electric energy is converted into mechanical energy, and the mechanical energy and the wheel-side speed reducer drive the tire to run. The electric wheel dumper generally adopts a variable-frequency speed-regulating alternating current asynchronous motor.
Electric control cabinet: mainly comprises a rectifier and an inverter. The rectifier converts alternating current generated by the generator into direct current, and heat generated in the conversion process is ventilated and cooled by a blower of the generator belt. The inverter converts direct current into alternating current, outputs three alternating currents with controllable frequency and voltage, and transmits the three alternating currents to the traction motor. The inverter is provided with a cooling air duct and a centrifugal fan.
Blower: the air is forced to flow by the rotation of the impeller, and the air is driven by external force.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. The utility model provides an electric wheel tipper ventilation cooling system which characterized in that: including air-blower (9), air-blower (9) adopts motor (8) drive, and the power input shaft of air-blower (9) is connected with the power output shaft transmission of motor (8), the air inlet of air-blower (9) is connected with the air inlet pipeline, the gas outlet of air-blower (9) is connected with the tuber pipe tee bend through air-out hard tube (4), divides into two way air supply passageway through the tuber pipe tee bend, and two way air supply passageway is connected to right traction motor (6) and left traction motor (7) respectively.
2. The ventilation cooling system of the electric wheel dumper according to claim 1, wherein the air inlet pipeline comprises an air inlet hard pipe (3), one end of the air inlet hard pipe (3) is communicated with an air inlet of a blower (9) through a first air inlet hose (2), and the other end of the air inlet hard pipe (3) is connected with an air inlet (1) through a second air inlet hose.
3. The ventilation cooling system of the electric wheel dumper according to claim 2, wherein the two air supply channels are a first air supply pipeline and a second air supply pipeline respectively, the first air supply pipeline comprises a first air outlet hose (5), one end of the first air outlet hose (5) is connected with a first outlet of an air pipe tee joint, and the other end of the first air outlet hose (5) is communicated with an air inlet of a right traction motor (6).
4. A ventilating and cooling system of an electric wheel dumper according to claim 3, characterized in that the second air supply pipeline comprises a second air outlet hose, one end of the second air outlet hose is connected with a second outlet of the air pipe tee joint, and the other end of the second air outlet hose is communicated with an air inlet of the left traction motor (7).
5. The ventilation and cooling system of the electric wheel dump truck according to claim 4, characterized in that the air inlet (1) is made of a thin steel plate welded and mounted on a vehicle driving platform, and the air inlet faces the advancing direction of the vehicle.
6. The electric wheel dump truck ventilation cooling system according to claim 5, characterized in that the motor (8) is driven by the vehicle power supply, using a constant rotational speed control mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323387324.9U CN221137617U (en) | 2023-12-13 | 2023-12-13 | Electric wheel dumper ventilation cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323387324.9U CN221137617U (en) | 2023-12-13 | 2023-12-13 | Electric wheel dumper ventilation cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221137617U true CN221137617U (en) | 2024-06-14 |
Family
ID=91421744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323387324.9U Active CN221137617U (en) | 2023-12-13 | 2023-12-13 | Electric wheel dumper ventilation cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221137617U (en) |
-
2023
- 2023-12-13 CN CN202323387324.9U patent/CN221137617U/en active Active
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