CN201729056U - Heat-radiating system for engineering machinery and engineering machinery - Google Patents
Heat-radiating system for engineering machinery and engineering machinery Download PDFInfo
- Publication number
- CN201729056U CN201729056U CN2010202780236U CN201020278023U CN201729056U CN 201729056 U CN201729056 U CN 201729056U CN 2010202780236 U CN2010202780236 U CN 2010202780236U CN 201020278023 U CN201020278023 U CN 201020278023U CN 201729056 U CN201729056 U CN 201729056U
- Authority
- CN
- China
- Prior art keywords
- hydraulic pump
- motor
- construction machinery
- radiating gill
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to the technical field of engineering machinery, and discloses a heat-radiating system for the engineering machinery, which comprises a heat-radiating fin (5), a heat-radiating fan (4), a main hydraulic pump (1-2) and an auxiliary hydraulic pump (1-4), wherein the heat-radiating fan (4) is driven by a hydraulic motor (3), the main hydraulic pump (1-2) is driven by an engine (1-1), the oil outlet of the main hydraulic pump (1-2) is communicated with the oil inlet of the hydraulic motor (3), the auxiliary hydraulic pump (1-4) is driven by a motor (1-3), and the oil outlet of the auxiliary hydraulic pump (1-4) is communicated with the oil inlet of the hydraulic motor (3); when the temperature of the heat-radiating fin (5) is lower than a preset value, the auxiliary hydraulic pump (1-4) is driven by the motor (1-3) to work; and when the temperature of the heat-radiating fin (5) is not lower than the preset value, oil is supplied to the hydraulic motor (3) by the main hydraulic pump (1-2). The utility model also discloses the engineering machinery.
Description
Technical field
The utility model relates to technical field of engineering machinery, relates in particular to a kind of construction machinery and equipment cooling system.The utility model also relates to a kind of construction machinery and equipment with above-mentioned construction machinery and equipment with cooling system.
Background technology
Construction machinery and equipment will produce a large amount of heats in the course of the work, adopt cooling system that intercooler, turbine transformer, engine cooling water and the hydraulic oil of construction machinery and equipment are dispelled the heat usually.
Construction machinery and equipment generally includes radiating gill, radiator fan with cooling system, radiating gill is connected with intercooler, turbine transformer, engine cooling water or hydraulic oil, radiator fan is located at the side of radiating gill, radiator fan is by fluid motor-driven, the power take-off shaft of the driving engine of construction machinery and equipment connects radiator fan, by driving engine direct drive radiator fan.
The cooling system of this structure, because driving engine direct drive radiator fan, radiator fan is in same rotating speed state all the time, and construction machinery and equipment is at initial operating stage, the heat dissipation capacity of each thermal component is less, behind the construction machinery and equipment long-play, the heat dissipation capacity of each thermal component is bigger, thereby cause construction machinery and equipment initial operating stage temperature low excessively, temperature is too high behind the long-play, the temperature of construction machinery and equipment is crossed low and the too high normal operation that all is unfavorable for construction machinery and equipment, can not make construction machinery and equipment be in good running state all the time; The construction machinery and equipment initial operating stage, the radiator fan high power work causes the waste of engine power, has reduced the takeoff output of driving engine, and causes the waste of the required fuel oil of driving engine, has increased exhaust emissions, and noise is bigger during the radiator fan high power work.
Therefore, how developing a kind of construction machinery and equipment that can make and be in the construction machinery and equipment cooling system of good running state all the time, is the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
First purpose of the present utility model provides a kind of construction machinery and equipment cooling system, and this project machinery can make construction machinery and equipment be in good running state all the time with cooling system.Another purpose of the present utility model provides a kind of construction machinery and equipment with above-mentioned construction machinery and equipment with cooling system.
In order to realize above-mentioned first purpose, the utility model provides a kind of construction machinery and equipment cooling system, comprise radiating gill, by the radiator fan of fluid motor-driven, by engine-driven Main Hydraulic Pump, the oil outlet of described Main Hydraulic Pump is communicated with the oil inlet of described HM Hydraulic Motor, also comprise secondary Hydraulic Pump, this pair Hydraulic Pump is by motor-driven, and the oil outlet of described secondary Hydraulic Pump is communicated with the oil inlet of described HM Hydraulic Motor; When the temperature of described radiating gill is lower than preset value, the described secondary hydraulic pump works of described motor-driven; When the temperature of described radiating gill was not less than preset value, described Main Hydraulic Pump was to described HM Hydraulic Motor fuel feeding.
Preferably, the oil circuit between described Main Hydraulic Pump and the described HM Hydraulic Motor is provided with solenoid directional control valve.
Preferably, also comprise apportioning valve, described apportioning valve is located on the oil circuit between described HM Hydraulic Motor and described Main Hydraulic Pump, the described secondary Hydraulic Pump, the oil outlet of described Main Hydraulic Pump, the oil outlet of described secondary Hydraulic Pump all are communicated with the oil inlet of described apportioning valve, and the oil outlet of described apportioning valve is communicated with the oil inlet of described HM Hydraulic Motor.
Preferably, also comprise:
Temperature sensor is used to detect the temperature of described radiating gill, and sends temperature signal;
Controller is used to receive described temperature signal, and controls the aperture of described apportioning valve according to the detected temperature value of described temperature sensor.
Preferably, the control signal output ends of described controller connects the signal input end of described motor, described controller is controlled described rotating speed of motor according to the detected temperature of described temperature sensor, makes the temperature of described rotating speed of motor and described radiating gill adapt.
Preferably, described motor is a DC machine, and described controller is regulated the speed of described motor by the PWM speed governing.
Preferably, described radiating gill comprises power system radiating gill, hydraulic efficiency pressure system radiating gill, and described radiator fan comprises the power system radiator fan by first fluid motor-driven, by the hydraulic efficiency pressure system radiator fan of second fluid motor-driven; Described first HM Hydraulic Motor is connected with described actuating device by first apportioning valve; Described second HM Hydraulic Motor is connected with described actuating device by second apportioning valve.
Preferably, also comprise flow regulating valve, the oil inlet of the oil inlet of described first apportioning valve, described second apportioning valve is communicated with first oil outlet of described flow regulating valve, second oil outlet respectively, and the oil inlet of described flow regulating valve is communicated with the oil outlet of actuating device.
Preferably, described power system radiating gill comprises intercooler radiating gill, engine cooling water radiating gill, turbine transformer radiating gill, and described hydraulic efficiency pressure system radiating gill comprises the hydraulic oil radiating gill.
Construction machinery and equipment cooling system provided by the invention, comprise radiating gill, by the radiator fan of fluid motor-driven, by engine-driven Main Hydraulic Pump, the oil outlet of described Main Hydraulic Pump is communicated with the oil inlet of described HM Hydraulic Motor, also comprise secondary Hydraulic Pump, this pair Hydraulic Pump is by motor-driven, and the oil outlet of described secondary Hydraulic Pump is communicated with the oil inlet of described HM Hydraulic Motor, and the oil circuit between described Main Hydraulic Pump and the described HM Hydraulic Motor is provided with solenoid directional control valve; When the temperature of described radiating gill was lower than preset value, the described secondary hydraulic pump works of described motor-driven, described solenoid directional control valve were closed; When the temperature of described radiating gill was not less than preset value, described solenoid directional control valve was opened.
The construction machinery and equipment of this structure is provided with the secondary Hydraulic Pump in parallel with Main Hydraulic Pump with cooling system, secondary Hydraulic Pump is by the independent motor-driven that is provided with, when the exothermic temperature of construction machinery and equipment is lower than preset value, provide hydraulic oil by the secondary Hydraulic Pump of motor-driven to HM Hydraulic Motor, provide hydraulic oil and need not Main Hydraulic Pump to HM Hydraulic Motor, like this in the construction machinery and equipment heat dissipation capacity more after a little while, can save the power waste of driving engine, improve the takeoff output of driving engine; When construction machinery and equipment works long hours heat dissipation capacity when big, can make radiator fan be in high rotational speed by providing hydraulic oil to HM Hydraulic Motor by engine-driven Main Hydraulic Pump, the temperature regulating range of radiating gill is big.
In the preferred version, also comprise apportioning valve, described apportioning valve is located on the oil circuit between described HM Hydraulic Motor and described Main Hydraulic Pump, the described secondary Hydraulic Pump, the oil outlet of described Main Hydraulic Pump, the oil outlet of described secondary Hydraulic Pump all are communicated with the oil inlet of described apportioning valve, and the oil outlet of described apportioning valve is communicated with the oil inlet of described HM Hydraulic Motor.
The construction machinery and equipment cooling system of this structure, on the oil circuit between Main Hydraulic Pump, secondary Hydraulic Pump and the HM Hydraulic Motor, be provided with apportioning valve, by the size of resize ratio valve opening, can regulate the flow of the hydraulic oil that enters HM Hydraulic Motor, and then adjust the rotating speed of radiator fan.Construction machinery and equipment initial operating stage heat dissipation capacity hour can be adjusted apportioning valve and make its aperture less, makes that the rotating speed of radiator fan is less; When heat dissipation capacity was big after the construction machinery and equipment long-time running, the resize ratio valve made its aperture bigger, makes that the rotating speed of radiator fan is bigger; Can make construction machinery and equipment be in good working order all the time.The construction machinery and equipment initial operating stage, radiator fan is in low-duty, can reduce the power waste of driving engine, improve the takeoff output of driving engine, improve the tractive performance of construction machinery and equipment, simultaneously also saved the required fuel oil of driving engine, reduced exhaust emissions, and the noise that is produced during the work of radiator fan miniwatt is less.
In the preferred version, also comprise temperature sensor, controller; Temperature sensor is used to detect the temperature of radiating gill, and sends temperature signal to described controller, and described controller is used to receive described temperature signal, and according to the aperture of the detected temperature value control ratio of described temperature sensor valve.
Can set in advance the relation between the aperture of the temperature of radiating gill and apportioning valve, temperature sensor detects the temperature of radiating gill, controller is in corresponding aperture position according to the temperature value control ratio valve of radiating gill, can make construction machinery and equipment be in good working order all the time so that the rotating speed of radiator fan is complementary with the heat dissipation capacity of construction machinery and equipment all the time.
In the preferred version, described controller makes the temperature of motor speed and radiating gill adapt according to the detected adjustment rotating speed of motor of temperature sensor.
Can set in advance the temperature of radiating gill and the relation between the rotating speed of motor, temperature sensor detects the temperature of radiating gill, controller is according to the temperature value control rotating speed of motor of radiating gill, make an amount of hydraulic oil of output of secondary Hydraulic Pump, can make construction machinery and equipment be in good working order all the time so that the rotating speed of radiator fan and rotating speed of motor are complementary; Simultaneously, controller is realized the dual speed governing of radiator fan according to the aperture of the temperature control ratio valve of radiating gill, can realize the gamut infinite speed variation, works in the best condition to guarantee construction machinery and equipment.
In order to realize above-mentioned second purpose, the utility model also provides a kind of construction machinery and equipment, it is characterized in that, this project machinery has above-mentioned construction machinery and equipment cooling system, and described radiating gill is connected with the heat generating components of this project machinery.Because above-mentioned construction machinery and equipment has above-mentioned technique effect with cooling system, have above-mentioned construction machinery and equipment and also should have the corresponding techniques effect with the construction machinery and equipment of cooling system.
Description of drawings
The construction machinery and equipment that Fig. 1 is provided for the utility model first embodiment principle schematic of cooling system;
The construction machinery and equipment that Fig. 2 is provided for the utility model second embodiment principle schematic of cooling system;
Wherein, among Fig. 1-2:
Fuel tank 1-0, driving engine 1-1, Main Hydraulic Pump 1-2, motor 1-3, secondary Hydraulic Pump 1-4, apportioning valve 2, the first apportioning valve 2-1, the second apportioning valve 2-2, HM Hydraulic Motor 3, the first HM Hydraulic Motor 3-1, the second HM Hydraulic Motor 3-2, radiator fan 4, power system radiator fan 4-1, hydraulic efficiency pressure system radiator fan 4-2, radiating gill 5, power system radiating gill 5-1, hydraulic efficiency pressure system radiating gill 5-2, temperature sensor 6, the first temperature sensor 6-1, the second temperature sensor 6-2, controller 7, flow regulating valve 8, by pass valve 9, the first by pass valve 9-1, the second by pass valve 9-2, back pressure valve 10, filter 11, the first filter 11-1, the second filter 11-2, solenoid directional control valve 12, check valve 13.
The specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Construction machinery and equipment needs the heat-dissipation parts to mainly contain power system, hydraulic efficiency pressure system, and present embodiment is that example is introduced content of the present utility model simultaneously power system, hydraulic efficiency pressure system are carried out heat-dissipation construction machinery and equipment cooling system respectively.
Please refer to Fig. 1, the construction machinery and equipment that Fig. 1 is provided for the utility model first embodiment principle schematic of cooling system.
As shown in Figure 1, the construction machinery and equipment cooling system that the utility model provides, comprise radiating gill 5, radiator fan 4, radiating gill 5 is connected with the heat generating components of construction machinery and equipment, particularly, radiating gill 5 can be connected with power system, the hydraulic efficiency pressure system of construction machinery and equipment, and radiator fan 4 is located at the side of radiating gill 5, and radiator fan 4 is driven by HM Hydraulic Motor 3; The secondary Hydraulic Pump 1-4 that described actuating device comprises the Main Hydraulic Pump 1-2 that driven by driving engine 1-1, driven by motor 1-3; The oil inlet of Main Hydraulic Pump 1-2 is communicated with fuel tank 1-0, and the oil outlet of Main Hydraulic Pump 1-2 is communicated with the oil inlet of HM Hydraulic Motor 3; The oil inlet of secondary Hydraulic Pump 1-4 is communicated with fuel tank 1-0, and the oil outlet of secondary Hydraulic Pump 1-4 is communicated with the oil inlet of apportioning valve 2; Oil circuit between Main Hydraulic Pump 1-2 and the apportioning valve 2 is provided with solenoid directional control valve 12.
In the preferred version, the pipeline between the oil inlet of Main Hydraulic Pump 1-2 and the fuel tank 1-0 is provided with filter 11, and filter 11 can filter out the impurity in the hydraulic oil that enters Main Hydraulic Pump 1-2.
In the preferred version, in order to prevent Main Hydraulic Pump 1-2 overload running, the oil outlet of Main Hydraulic Pump 1-2 is communicated with fuel tank 1-0 by by pass valve 9.
In the preferred version, the oil outlet of HM Hydraulic Motor 3 is communicated with fuel tank 1-0 by back pressure valve 10.
In the concrete scheme, the pipeline between the oil inlet of Main Hydraulic Pump 1-2 and the fuel tank 1-0 is provided with the first filter 11-1, and the first filter 11-1 can filter out the impurity in the hydraulic oil that enters Main Hydraulic Pump 1-2; Oil inlet and the pipeline between the fuel tank 1-0 of secondary Hydraulic Pump 1-4 are provided with the second filter 11-2, and the second filter 11-2 can filter out the impurity in the hydraulic oil that enters secondary Hydraulic Pump 1-4.
In the preferred version, in order to prevent Main Hydraulic Pump 1-2 overload running, the oil outlet of Main Hydraulic Pump 1-2 is communicated with fuel tank 1-0 by the first by pass valve 9-1; In order to prevent secondary Hydraulic Pump 1-4 overload running, the oil outlet of secondary Hydraulic Pump 1-4 is communicated with fuel tank 1-0 by the second by pass valve 9-2.
In the preferred version, when secondary Hydraulic Pump 1-4 does not work, flow back in the fuel tank 1-0 by secondary Hydraulic Pump 1-4 in order to prevent the hydraulic oil in the oil circuit, the oil outlet place of secondary Hydraulic Pump 1-4 is provided with check valve 13.
The construction machinery and equipment of this structure is provided with the secondary Hydraulic Pump 1-4 in parallel with Main Hydraulic Pump 1-2 with cooling system, secondary Hydraulic Pump 1-4 is driven by the independent motor 1-3 that is provided with, when the exothermic temperature of construction machinery and equipment is lower than preset value, drive secondary Hydraulic Pump 1-4 by motor 1-3 and provide hydraulic oil to HM Hydraulic Motor 3 separately, provide hydraulic oil and need not Main Hydraulic Pump 1-2 to HM Hydraulic Motor 3, like this in the construction machinery and equipment heat dissipation capacity more after a little while, can save the power waste of driving engine 1-1, improve the takeoff output of driving engine 1-1; When construction machinery and equipment works long hours heat dissipation capacity when big, can make radiator fan 4 be in high rotational speed by providing hydraulic oil to HM Hydraulic Motor 3 jointly by Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4, the temperature regulating range of radiating gill 5 is bigger.
In the preferred version, also comprise apportioning valve 2, apportioning valve 2 is located on the oil circuit between Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4 and the HM Hydraulic Motor 3, the oil outlet of the oil outlet of Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4 all is communicated with the oil inlet of apportioning valve 2, and the oil outlet of apportioning valve 2 is communicated with the oil inlet of HM Hydraulic Motor 3.
The construction machinery and equipment cooling system of this structure, on the oil circuit between Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4 and the HM Hydraulic Motor 3, be provided with apportioning valve 2, by the size of resize ratio valve 2 apertures, can regulate the flow of the hydraulic oil that enters HM Hydraulic Motor 3, and then adjust the rotating speed of radiator fan 4.
Construction machinery and equipment initial operating stage heat dissipation capacity hour can be adjusted apportioning valve 2 and make its aperture less, makes that the rotating speed of radiator fan 4 is less; When heat dissipation capacity was big after the construction machinery and equipment long-time running, resize ratio valve 2 made its aperture bigger, makes that the rotating speed of radiator fan 4 is bigger; Can make construction machinery and equipment be in good working order all the time.The construction machinery and equipment initial operating stage, radiator fan 4 is in low-duty, can reduce the power waste of driving engine 1-1, improve the takeoff output of driving engine 1-1, improve the tractive performance of construction machinery and equipment, simultaneously also saved the required fuel oil of driving engine 1-1, reduced exhaust emissions, and the noise that is produced during the work of radiator fan 4 miniwatts is less.
In the preferred version, construction machinery and equipment provided by the invention also comprises temperature sensor 6, controller 7 with cooling system; Temperature sensor 6 is used to detect the temperature of radiating gill 5, and sends temperature signal to controller 7; Controller 7 is used to receive described temperature signal, and controls the aperture of described apportioning valve 2 according to temperature sensor 6 detected temperature values.
Set in advance the temperature of radiating gill 5 and the relation between apportioning valve 2 apertures, the aperture of the apportioning valve 2 that the different temperature of radiating gill 5 is corresponding different, controller 7 is in corresponding aperture position according to the temperature value control ratio valve 2 of radiating gill 5, can be so that the rotating speed of radiator fan 4 be complementary with the heat dissipation capacity of construction machinery and equipment all the time, be the temperature of radiating gill 5 and the relation between apportioning valve 2 apertures, the rotating speed that can guarantee radiator fan 4 can make the better radiating effect that has of radiating gill 5 can guarantee promptly that also construction machinery and equipment is in good working order all the time.
In the concrete scheme, temperature sensor 6 can be arranged on the entrance of radiating gill 5, and temperature sensor 6 can accurately record the temperature of corresponding heat generating components like this.
In the preferred version, when the temperature of temperature sensor 6 detected radiating gills 5 is lower than preset value, controller 7 control motor 1-3 drive secondary Hydraulic Pump 1-4 work, solenoid directional control valve 12 cuts out, by secondary Hydraulic Pump 1-4 separately to HM Hydraulic Motor 3 fuel feeding that drive radiator fan 4; When the temperature of radiating gill 5 was not less than preset value, controller 7 control solenoid directional control valves 12 were opened, can be separately by Main Hydraulic Pump 1-2 to HM Hydraulic Motor 3 fuel feeding, also by Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4 jointly to HM Hydraulic Motor 3 fuel feeding.
Further in the scheme, controller 7 can make the rotating speed of motor 1-3 and the temperature of radiating gill 5 adapt according to the rotating speed of temperature sensor 6 detected temperature control motor 1-3.
Set in advance the temperature of radiating gill 5 and the relation between the motor 1-3 rotating speed, temperature sensor 6 detects the temperature of radiating gill 5, controller 7 is according to the temperature control motor 1-3 rotating speed of radiating gill 5, make secondary Hydraulic Pump 1-4 export an amount of hydraulic oil, can make the rotating speed of radiator fan 4 and the rotating speed of motor 1-3 be complementary, make construction machinery and equipment be in good working order all the time; Simultaneously, controller 7 also according to the aperture of the temperature control ratio valve 2 of radiating gill 5, can be realized the dual speed governing of radiator fan 4, can realize the gamut infinite speed variation, to guarantee that construction machinery and equipment is in optimum Working all the time.
In the concrete scheme, motor 1-3 is a DC machine, and controller 7 can be regulated the speed of described motor 1-3 by the PWM speed governing.
Above embodiment is by detecting the temperature of radiating gill, aperture according to the temperature control ratio valve of radiating gill, the construction machinery and equipment that the utility model provides is not limited thereto a kind of scheme with cooling system, for example, can also be by the work-hours of construction machinery and equipment be set, the aperture of apportioning valve is set according to time of construction machinery and equipment, elongated along with the construction machinery and equipment work-hours, it is big that the aperture of may command apportioning valve becomes gradually.
The intercooler of the turbine transformer of the hydraulic efficiency pressure system of construction machinery and equipment and hydraulic oil, power system, any in the engine cooling water all can adopt above-mentioned construction machinery and equipment to dispel the heat with cooling system separately, for can be in the construction machinery and equipment inner space flexible arrangement air channel, the utility model adopts power system, the independent heat-dissipation scheme of hydraulic efficiency pressure system difference, and following examples describe in detail to it.
Please referring to Fig. 2, the construction machinery and equipment that Fig. 2 is provided for the utility model second embodiment is with the principle schematic of cooling system.
As shown in Figure 2, radiating gill comprises power system radiating gill 5-1, hydraulic efficiency pressure system radiating gill 5-2, correspondingly, radiator fan comprises power system radiator fan 4-1, hydraulic efficiency pressure system radiator fan 4-2, power system radiator fan 4-1 is located at the side of power system radiating gill 5-1, hydraulic efficiency pressure system radiator fan 4-2 is located at the side of hydraulic efficiency pressure system radiating gill 5-2, power system radiator fan 4-1 is driven by the first HM Hydraulic Motor 3-1, hydraulic efficiency pressure system radiator fan 4-2 reaches driving by the second HM Hydraulic Motor 3-2, and the first HM Hydraulic Motor 3-1 is by the first apportioning valve 2-1 and Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4 is communicated with; The second HM Hydraulic Motor 3-2 reaches by the secondary Hydraulic Pump 1-4 of the second apportioning valve 2-2 and Main Hydraulic Pump 1-2 and is communicated with.All the other embodiments are similar to the above embodiments, no longer are described in detail at this.
In the preferred version, on the oil circuit between Main Hydraulic Pump 1-2 and the first apportioning valve 2-1, the second apportioning valve 2-2, be provided with flow regulating valve 8, the oil outlet of the oil outlet of Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4 all is communicated with the oil inlet of flow regulating valve 8, first oil outlet of flow regulating valve 8, second oil outlet are communicated with the oil inlet of the first apportioning valve 2-1, the oil inlet of the second apportioning valve 2-2 respectively, can regulate the flow of the hydraulic oil that enters the first apportioning valve 2-1, the second apportioning valve 2-2 respectively by the aperture of regulating flow regulating valve 8.
The construction machinery and equipment cooling system that the utility model provides, between Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4 and the first HM Hydraulic Motor 3-1, be provided with the first apportioning valve 2-1, between Main Hydraulic Pump 1-2, secondary Hydraulic Pump 1-4 and the second HM Hydraulic Motor 3-2, be provided with the second apportioning valve 2-2.The size of the aperture by adjusting the first apportioning valve 2-1 can be regulated the flow of the hydraulic oil that enters the first HM Hydraulic Motor 3-1 and then the rotating speed of control control power system radiator fan 4-1; The size of the aperture by adjusting the second apportioning valve 2-2 can be regulated the flow that enters the hydraulic oil that the second HM Hydraulic Motor 3-2 reaches, and then the rotating speed of controlled hydraulic system radiator fan 4-2.
In the concrete scheme, power system radiating gill 5-1 comprises intercooler radiating gill, engine cooling water radiating gill, turbine transformer backing, and intercooler radiating gill, engine cooling water radiating gill, turbine transformer backing can be connected; Hydraulic efficiency pressure system radiating gill 5-2 comprises the hydraulic oil radiating gill.
The construction machinery and equipment cooling system of this structure to the separately heat radiation of power system, hydraulic efficiency pressure system, and is controlled pairing radiator fan respectively, makes that the layout in air channel, construction machinery and equipment inner space is more flexible.
The utility model also provides a kind of construction machinery and equipment, and this project machinery has above-mentioned construction machinery and equipment cooling system, and described radiating gill can be connected with heat generating components such as the hydraulic efficiency pressure system of construction machinery and equipment, power systems.Because above-mentioned construction machinery and equipment has above-mentioned technique effect with cooling system, have the mechanical construction machinery and equipment of this project and also should possess the corresponding techniques effect with cooling system, all the other specific implementation process are similar to the above embodiments, no longer are described in detail at this.
The above only is the description of the preferred implementation of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. construction machinery and equipment cooling system, the radiator fan (4) that comprises radiating gill (5), drives by HM Hydraulic Motor (3), Main Hydraulic Pump (1-2) by driving engine (1-1) driving, the oil outlet of described Main Hydraulic Pump (1-2) is communicated with the oil inlet of described HM Hydraulic Motor (3), it is characterized in that, also comprise secondary Hydraulic Pump (1-4), this pair Hydraulic Pump (1-4) is driven by motor (1-3), and the oil outlet of described secondary Hydraulic Pump (1-4) is communicated with the oil inlet of described HM Hydraulic Motor (3); When the temperature of described radiating gill (5) was lower than preset value, described motor (1-3) drove described secondary Hydraulic Pump (1-4) work; When the temperature of described radiating gill (5) was not less than preset value, described Main Hydraulic Pump (1-2) was to described HM Hydraulic Motor (3) fuel feeding.
2. construction machinery and equipment cooling system according to claim 1 is characterized in that, the oil circuit between described Main Hydraulic Pump (1-2) and the described HM Hydraulic Motor (3) is provided with solenoid directional control valve (12).
3. construction machinery and equipment cooling system according to claim 2, it is characterized in that, also comprise apportioning valve (2), described apportioning valve (2) is located on the oil circuit between described HM Hydraulic Motor (3) and described Main Hydraulic Pump (1-2), the described secondary Hydraulic Pump (1-4), the oil outlet of the oil outlet of described Main Hydraulic Pump (1-2), described secondary Hydraulic Pump (1-4) all is communicated with the oil inlet of described apportioning valve (2), and the oil outlet of described apportioning valve (2) is communicated with the oil inlet of described HM Hydraulic Motor (3).
4. construction machinery and equipment cooling system according to claim 3 is characterized in that, also comprises:
Temperature sensor (6) is used to detect the temperature of described radiating gill (5), and sends temperature signal;
Controller (7) is used to receive described temperature signal, and controls the aperture of described apportioning valve (2) according to the detected temperature value of described temperature sensor (6).
5. construction machinery and equipment cooling system according to claim 4, it is characterized in that, the control signal output ends of described controller (7) connects the signal input end of described motor (1-3), described controller (7) is controlled the rotating speed of described motor (1-3) according to the detected temperature of described temperature sensor (6), makes the rotating speed of described motor (1-3) and the temperature of described radiating gill (5) adapt.
6. construction machinery and equipment cooling system according to claim 5 is characterized in that, described motor (1-3) is a DC machine, and described controller (7) is by the speed of the described motor of PWM speed control (1-3).
7. according to each described construction machinery and equipment cooling system of claim 1-6, it is characterized in that, described radiating gill (5) comprises power system radiating gill (5-1), hydraulic efficiency pressure system radiating gill (5-2), the hydraulic efficiency pressure system radiator fan (4-2) that described radiator fan (4) comprises the power system radiator fan (4-1) that driven by first HM Hydraulic Motor (3-1), driven by second HM Hydraulic Motor (3-2); Described first HM Hydraulic Motor (3-1) is connected with described actuating device by first apportioning valve (2-1); Described second HM Hydraulic Motor (3-2) is connected with described actuating device by second apportioning valve (2-2).
8. construction machinery and equipment cooling system according to claim 7, it is characterized in that, also comprise flow regulating valve (8), the oil inlet of the oil inlet of described first apportioning valve (2-1), described second apportioning valve (2-2) is communicated with first oil outlet, second oil outlet of described flow regulating valve (8) respectively, and the oil inlet of described flow regulating valve (8) is communicated with the oil outlet of actuating device.
9. construction machinery and equipment cooling system according to claim 7, it is characterized in that, described power system radiating gill (5-1) comprises intercooler radiating gill, engine cooling water radiating gill, turbine transformer radiating gill, and described hydraulic efficiency pressure system radiating gill (5-2) comprises the hydraulic oil radiating gill.
10. a construction machinery and equipment is characterized in that, this project machinery has each described construction machinery and equipment cooling system of claim 1-9, and described radiating gill (5) is connected with the heat generating components of this project machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202780236U CN201729056U (en) | 2010-07-28 | 2010-07-28 | Heat-radiating system for engineering machinery and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202780236U CN201729056U (en) | 2010-07-28 | 2010-07-28 | Heat-radiating system for engineering machinery and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201729056U true CN201729056U (en) | 2011-02-02 |
Family
ID=43520214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202780236U Expired - Fee Related CN201729056U (en) | 2010-07-28 | 2010-07-28 | Heat-radiating system for engineering machinery and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201729056U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337959A (en) * | 2011-09-09 | 2012-02-01 | 潍柴动力股份有限公司 | Three-level speed-regulating hydraulically-driven cooling system |
| CN102910067A (en) * | 2012-10-31 | 2013-02-06 | 中铁隧道股份有限公司 | Hydraulic cooling control method of hydraulic torque converter for tunnel construction internal combustion traction locomotive |
| CN103062162A (en) * | 2012-12-27 | 2013-04-24 | 三一重工股份有限公司 | Hydraulic oil radiating system and engineering machinery |
| CN103375422A (en) * | 2013-08-08 | 2013-10-30 | 潍柴动力股份有限公司 | The control system of hydraulic fan, method and engine-cooling system |
| CN103541389A (en) * | 2013-09-24 | 2014-01-29 | 徐州徐工特种工程机械有限公司 | Adjustable independent heat dissipation device of loader-digger |
| CN104131877A (en) * | 2013-05-03 | 2014-11-05 | 迪尔公司 | Temperature control system of machine, and method thereof |
| CN105392650A (en) * | 2013-08-09 | 2016-03-09 | 株式会社小松制作所 | Working vehicle |
| CN105465106A (en) * | 2014-10-16 | 2016-04-06 | 徐州重型机械有限公司 | Hydraulic cooling system, control method and crane |
| CN106593978A (en) * | 2015-10-14 | 2017-04-26 | 广州汽车集团股份有限公司 | Hybrid electric vehicle and motor cooling hydraulic system thereof |
| CN109372828A (en) * | 2018-10-15 | 2019-02-22 | 中国北方车辆研究所 | A kind of hydraulic control system for comprehensive actuator |
| CN112459894A (en) * | 2020-11-09 | 2021-03-09 | 北奔重型汽车集团有限公司 | Mechanical hydraulic hybrid heat dissipation system |
| CN112682156A (en) * | 2020-11-09 | 2021-04-20 | 北奔重型汽车集团有限公司 | Electric control hydraulic drive fan cooling control system and control method |
-
2010
- 2010-07-28 CN CN2010202780236U patent/CN201729056U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337959A (en) * | 2011-09-09 | 2012-02-01 | 潍柴动力股份有限公司 | Three-level speed-regulating hydraulically-driven cooling system |
| CN102910067A (en) * | 2012-10-31 | 2013-02-06 | 中铁隧道股份有限公司 | Hydraulic cooling control method of hydraulic torque converter for tunnel construction internal combustion traction locomotive |
| CN102910067B (en) * | 2012-10-31 | 2015-04-08 | 中铁隧道股份有限公司 | Hydraulic cooling control method of hydraulic torque converter for tunnel construction internal combustion traction locomotive |
| CN103062162A (en) * | 2012-12-27 | 2013-04-24 | 三一重工股份有限公司 | Hydraulic oil radiating system and engineering machinery |
| CN104131877A (en) * | 2013-05-03 | 2014-11-05 | 迪尔公司 | Temperature control system of machine, and method thereof |
| CN104131877B (en) * | 2013-05-03 | 2018-04-06 | 迪尔公司 | The temperature control system and its method of machine |
| CN103375422A (en) * | 2013-08-08 | 2013-10-30 | 潍柴动力股份有限公司 | The control system of hydraulic fan, method and engine-cooling system |
| CN103375422B (en) * | 2013-08-08 | 2016-04-06 | 潍柴动力股份有限公司 | The control system of hydraulic fan, method and engine-cooling system |
| US9739035B2 (en) | 2013-08-09 | 2017-08-22 | Komatsu Ltd. | Work vehicle |
| CN105392650A (en) * | 2013-08-09 | 2016-03-09 | 株式会社小松制作所 | Working vehicle |
| CN105392650B (en) * | 2013-08-09 | 2018-09-11 | 株式会社小松制作所 | Working truck |
| CN103541389A (en) * | 2013-09-24 | 2014-01-29 | 徐州徐工特种工程机械有限公司 | Adjustable independent heat dissipation device of loader-digger |
| CN105465106A (en) * | 2014-10-16 | 2016-04-06 | 徐州重型机械有限公司 | Hydraulic cooling system, control method and crane |
| CN105465106B (en) * | 2014-10-16 | 2019-02-22 | 徐州重型机械有限公司 | Hydraulic radiating, control method and crane |
| CN106593978A (en) * | 2015-10-14 | 2017-04-26 | 广州汽车集团股份有限公司 | Hybrid electric vehicle and motor cooling hydraulic system thereof |
| CN109372828A (en) * | 2018-10-15 | 2019-02-22 | 中国北方车辆研究所 | A kind of hydraulic control system for comprehensive actuator |
| CN109372828B (en) * | 2018-10-15 | 2022-09-09 | 中国北方车辆研究所 | Hydraulic control system for comprehensive transmission device |
| CN112459894A (en) * | 2020-11-09 | 2021-03-09 | 北奔重型汽车集团有限公司 | Mechanical hydraulic hybrid heat dissipation system |
| CN112682156A (en) * | 2020-11-09 | 2021-04-20 | 北奔重型汽车集团有限公司 | Electric control hydraulic drive fan cooling control system and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201729056U (en) | Heat-radiating system for engineering machinery and engineering machinery | |
| CN102562248B (en) | Cooling system and cooling method for hydraulic traveling machine, and hydraulic excavator | |
| CN105202163B (en) | A kind of wind turbine gearbox lubricating and cooling system and wind power generating set | |
| CN101892894A (en) | Hydraulically-driven diesel radiating system and method thereof | |
| CN204041199U (en) | The automatically controlled auxiliary coolant system of a kind of motor combined type | |
| CN104011343A (en) | Arrangement and method for cooling of coolant in cooling system in vehicle | |
| US9650023B2 (en) | Cooling circuit for a motor vehicle having a hydrodynamic retarder | |
| CN101875301A (en) | Crane and controllable radiation system thereof | |
| CN202325800U (en) | Cooling system of engine and engineering machinery | |
| CN102734273A (en) | Oil temperature control device, hydraulic system and oil temperature control method thereof | |
| CN201405725Y (en) | Crane and controllable cooling system thereof | |
| WO2015010540A1 (en) | Hybrid vehicle | |
| CN102720242A (en) | Hydraulic oil temperature control device and control method and excavator comprising same | |
| CN201785138U (en) | Radiator set of heavy-duty machinery and cooling system applying radiator set | |
| CN203271897U (en) | Cooling fan driving device of hydraulic excavator | |
| CN105569807A (en) | Heat dissipation system of vehicle engine | |
| CN203373802U (en) | Excavator heat dissipation control system based on silicone oil clutch | |
| CN201202521Y (en) | Electric control hydraulic drive fan heat system with finite pressure stop valve | |
| CN105156342A (en) | Automatic temperature control vehicle-mounted hydraulic driven fan system and control method adopting same | |
| CN204371475U (en) | Overheating prevention device for engine of construction vehicle on well | |
| CN103397927A (en) | All-terrain vehicle independent temperature-control cooling system | |
| CN204284034U (en) | Pump truck closed type oil pump-unit and there is its pump truck closed type hydraulic system | |
| CN203699690U (en) | Engineering machine and heat dissipation system thereof | |
| CN104265439A (en) | Engineering machinery cooling system | |
| CN107097634A (en) | A kind of sliding loader independence cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |