CN201934238U - Excavator and engine preheating system thereof - Google Patents
Excavator and engine preheating system thereof Download PDFInfo
- Publication number
- CN201934238U CN201934238U CN2010206766238U CN201020676623U CN201934238U CN 201934238 U CN201934238 U CN 201934238U CN 2010206766238 U CN2010206766238 U CN 2010206766238U CN 201020676623 U CN201020676623 U CN 201020676623U CN 201934238 U CN201934238 U CN 201934238U
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- preheater
- excavator
- engine
- antifreeze liquid
- inlet pipeline
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Abstract
The utility model provides an excavator and an engine preheating system thereof. The engine preheating system comprises a water tank, a preheater and a storage battery, wherein the water tank is connected with a water inlet pipeline of an engine; the preheater is connected to the air inlet pipeline in series and can be used for heating the anti-freezing solution in the water inlet pipeline; and the preheater is electrically connected with the storage battery of the excavator. The engine preheating system can effectively preheat the whole body of the engine, enhance the preheating effect and reduce the preheating time.
Description
Technical field
The utility model relates to the excavator in the engineering machinery, particularly relates to a kind of excavator and preheating system for engine thereof.
Background technique
Excavator is a kind of of engineering machinery, is widely used in engineering fields such as building, road, mine, and main effect is to carry out digging operation.
Fig. 1 is the shape assumption diagram of the excavator of prior art, and as shown in Figure 1, the working portion of excavator mainly comprises scraper bowl (bucket) 110, dipper (arm) 120 and swing arm (boom) 130.
At northern area, will carry out engine warming up before the excavating machine starting winter, the engine warming up mode that present most excavator adopts is to install air preheater in suction tude additional, the heat that the heating coil charging of dependence on the preheater valve body produces comes preheating to enter air in the suction tude, makes the temperature of the cool air that enters from the outside be elevated to the temperature that is suitable for engine start.Though this preheating method can solve the cold-starting problem of motor substantially, can not carry out effective preheating to the whole machine body of motor, belong to a kind of local heating mode, thereby pre-heat effect is poor, preheat time is long.
The model utility content
The utility model embodiment's purpose provides a kind of excavator and preheating system for engine thereof, can carry out effective preheating to the whole machine body of motor, can strengthen pre-heat effect, reduces preheat time.
To achieve these goals, the utility model provides a kind of preheating system for engine of excavator, comprising:
Water tank, the inlet pipeline of connection motor;
The preheater that is connected on the described inlet pipeline and the antifreeze liquid in the described inlet pipeline is heated;
Described preheater is electrically connected the storage battery of described excavator.
Preferably, in the above-mentioned preheating system for engine, described preheater comprises:
Be used to heat the electric heating element of described antifreeze liquid;
Be used to drive the water pump of described antifreeze liquid;
Be used to described water pump that the motor of power is provided;
Controller connects described motor and described electric heating element.
Preferably, in the above-mentioned preheating system for engine, described preheater also comprises:
Be used to detect the temperature of described antifreeze liquid, and when temperature surpasses predetermined threshold, send the temperature conditioning unit of the signal of closing described heating unit, connect described controller to described controller.
Preferably, in the above-mentioned preheating system for engine, described predetermined threshold is 70 degrees centigrade.
The utility model also provides a kind of excavator, comprises preheating system for engine, and described preheating system for engine comprises:
Water tank, the inlet pipeline of connection motor;
The preheater that is connected on the described inlet pipeline and the antifreeze liquid in the described inlet pipeline is heated;
Described preheater is electrically connected the storage battery of described excavator.
Preferably, in the above-mentioned excavator, described preheater comprises:
Be used to heat the electric heating element of described antifreeze liquid;
Be used to drive the water pump of described antifreeze liquid;
Be used to described water pump that the motor of power is provided;
Controller connects described motor and described electric heating element.
Preferably, in the above-mentioned excavator, described preheater also comprises:
Be used to detect the temperature of described antifreeze liquid, and when temperature surpasses predetermined threshold, send the temperature conditioning unit of the signal of closing described heating unit, connect described controller to described controller.
Preferably, in the above-mentioned excavator, described predetermined threshold is 70 degrees centigrade.
There is following technique effect at least in the utility model embodiment:
1) the utility model adopts antifreeze liquid to carry out preheating, and antifreeze liquid can carry out whole preheating to motor, prevents that engine oil viscosity under the cryogenic conditions is excessive and the engine scuffing that causes, prolongs the working life of motor.
2) because be equipped with water pump and electric heating element, the antifreeze liquid after the heating can flow rapidly, reduces the hot car time, can effectively solve the problem of cold-starting difficulty, and too much fuel oil can also avoid waste.
3) the utility model has been optimized product performance, has increased the market competitiveness that is equipped in northern area.
Description of drawings
Fig. 1 is the shape assumption diagram of the excavator of prior art;
The structural drawing of the preheating system for engine that Fig. 2 provides for the utility model embodiment;
The structure principle chart of the preheater that Fig. 3 provides for the utility model embodiment.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model embodiment is clearer, specific embodiment is described in detail below in conjunction with accompanying drawing.
The structural drawing of the preheating system for engine that Fig. 2 provides for the utility model embodiment, as shown in Figure 2, the preheating system for engine of excavator comprises:
Water tank 1, the inlet pipeline 4 of connection motor;
The preheater 2 that is connected on the described inlet pipeline 4 and the antifreeze liquid in the described inlet pipeline 4 is heated;
Described preheater 2 is electrically connected the storage battery 3 of described excavator.
As seen, the utility model heats by the antifreeze liquid of 2 pairs of motors of preheater, because the antifreeze liquid after the heating can carry out whole preheating to motor, therefore, the engine scuffing that can prevent that engine oil viscosity under the cryogenic conditions is excessive and cause prolongs working life of motor.
In excavator, the outlet pipe 6 of motor connects water tank 1, and antifreeze liquid circulates between water tank 1 and outlet pipe 6.
The structure principle chart of the preheater that Fig. 3 provides for the utility model embodiment, as shown in Figure 3, preheater comprises:
Be used to heat the electric heating element 201 of described antifreeze liquid;
Be used to drive the water pump 202 of described antifreeze liquid;
Be used to described water pump that the motor 203 of power is provided;
Wherein, described preheater also comprises: be used to detect the temperature of described antifreeze liquid, and send the temperature conditioning unit 205 of the signal of closing described heating unit to described controller 204 when temperature surpasses predetermined threshold, connect described controller 204.
Described predetermined threshold can be selected for example 70 degrees centigrade between 50 to 80 degree.
Before ato unit, start preheater 2 earlier, with electric heating element 201 heating and anti-freezing liquid, thereby the antifreeze liquid that water pump 202 drives after heating circulates the purpose that reaches heated engine between motor 5 and water tank 1.Temperature conditioning unit 205 is meeting notification controller 204 when water temperature reaches 70 degrees centigrade, thereby preheater 2 is quit work.
As seen, because be equipped with water pump and electric heating element, the antifreeze liquid after the heating can flow rapidly, reduces the hot car time, can effectively solve the problem of cold-starting difficulty, and too much fuel oil can also avoid waste.
In addition, the utility model also provides a kind of excavator, comprises preheating system for engine, and described preheating system for engine comprises: water tank, the inlet pipeline of connection motor; The preheater that is connected on the described inlet pipeline and the antifreeze liquid in the described inlet pipeline is heated; Described preheater is electrically connected the storage battery of described excavator.
Wherein, described preheater comprises: the electric heating element that is used to heat described antifreeze liquid; Be used to drive the water pump of described antifreeze liquid; Be used to described water pump that the motor of power is provided; Controller connects described motor and described electric heating element.Also comprise: be used to detect the temperature of described antifreeze liquid, and when temperature surpasses predetermined threshold, send the temperature conditioning unit of the signal of closing described heating unit, connect described controller to described controller.Described predetermined threshold is 70 degrees centigrade.
As from the foregoing, the utility model embodiment has following advantage:
1) the utility model adopts antifreeze liquid to carry out preheating, and antifreeze liquid can carry out whole preheating to motor, prevents that engine oil viscosity under the cryogenic conditions is excessive and the engine scuffing that causes, prolongs the working life of motor.
2) because be equipped with water pump and electric heating element, the antifreeze liquid after the heating can flow rapidly, reduces the hot car time, can effectively solve the problem of cold-starting difficulty, and too much fuel oil can also avoid waste.
3) the utility model has been optimized product performance, has increased the market competitiveness that is equipped in northern area.
The above only is a preferred implementation of the present utility model; should be pointed out that 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 (8)
1. the preheating system for engine of an excavator is characterized in that, comprising:
Water tank, the inlet pipeline of connection motor;
The preheater that is connected on the described inlet pipeline and the antifreeze liquid in the described inlet pipeline is heated;
Described preheater is electrically connected the storage battery of described excavator.
2. preheating system for engine according to claim 1 is characterized in that, described preheater comprises:
Be used to heat the electric heating element of described antifreeze liquid;
Be used to drive the water pump of described antifreeze liquid;
Be used to described water pump that the motor of power is provided;
Controller connects described motor and described electric heating element.
3. preheating system for engine according to claim 2 is characterized in that, described preheater also comprises:
Be used to detect the temperature of described antifreeze liquid, and when temperature surpasses predetermined threshold, send the temperature conditioning unit of the signal of closing described heating unit, connect described controller to described controller.
4. preheating system for engine according to claim 3 is characterized in that, described predetermined threshold is 70 degrees centigrade.
5. an excavator comprises preheating system for engine, it is characterized in that, described preheating system for engine comprises:
Water tank, the inlet pipeline of connection motor;
The preheater that is connected on the described inlet pipeline and the antifreeze liquid in the described inlet pipeline is heated;
Described preheater is electrically connected the storage battery of described excavator.
6. excavator according to claim 5 is characterized in that, described preheater comprises:
Be used to heat the electric heating element of described antifreeze liquid;
Be used to drive the water pump of described antifreeze liquid;
Be used to described water pump that the motor of power is provided;
Controller connects described motor and described electric heating element.
7. excavator according to claim 6 is characterized in that, described preheater also comprises:
Be used to detect the temperature of described antifreeze liquid, and when temperature surpasses predetermined threshold, send the temperature conditioning unit of the signal of closing described heating unit, connect described controller to described controller.
8. excavator according to claim 7 is characterized in that, described predetermined threshold is 70 degrees centigrade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206766238U CN201934238U (en) | 2010-12-13 | 2010-12-13 | Excavator and engine preheating system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206766238U CN201934238U (en) | 2010-12-13 | 2010-12-13 | Excavator and engine preheating system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934238U true CN201934238U (en) | 2011-08-17 |
Family
ID=44445757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206766238U Expired - Fee Related CN201934238U (en) | 2010-12-13 | 2010-12-13 | Excavator and engine preheating system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939913A (en) * | 2014-03-06 | 2016-09-14 | 住友建机株式会社 | Excavator |
| CN109458265A (en) * | 2018-12-29 | 2019-03-12 | 潍柴动力股份有限公司 | A kind of engine starting method and device |
-
2010
- 2010-12-13 CN CN2010206766238U patent/CN201934238U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939913A (en) * | 2014-03-06 | 2016-09-14 | 住友建机株式会社 | Excavator |
| CN105939913B (en) * | 2014-03-06 | 2019-09-17 | 住友建机株式会社 | Excavator |
| CN109458265A (en) * | 2018-12-29 | 2019-03-12 | 潍柴动力股份有限公司 | A kind of engine starting method and device |
| CN109458265B (en) * | 2018-12-29 | 2022-06-28 | 潍柴动力股份有限公司 | Engine starting method and device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20161213 |