CN202081955U - Cooling device for diesel - Google Patents
Cooling device for diesel Download PDFInfo
- Publication number
- CN202081955U CN202081955U CN2011202079240U CN201120207924U CN202081955U CN 202081955 U CN202081955 U CN 202081955U CN 2011202079240 U CN2011202079240 U CN 2011202079240U CN 201120207924 U CN201120207924 U CN 201120207924U CN 202081955 U CN202081955 U CN 202081955U
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- Prior art keywords
- pulley
- water pump
- fan
- belt
- diesel engine
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Abstract
A cooling device for a diesel includes a cooling fan and a water pump, wherein the water pump is driven by a water pump belt pulley; the cooling fan is arranged on a fan belt pulley; the fan belt pulley is arranged on a housing of a thermostat; the housing of the thermostat is arranged on a cylinder cover; and the water pump belt pulley is arranged below the fan belt pulley. Through the adoption of the cooling device, the technical problems in the prior art that in the cooling device, the cooling fan is installed on the water pump belt pulley and is incapable of being installed in the diesel where the thermostat is integrated on the cylinder cover, and the rotational speed of the fan of the cooling device is restricted by the water pump and can not be adjusted freely are solved. The cooling device for the diesel is particularly suitable for the diesel where the thermostat is integrated on the cylinder cover.
Description
Technical field
The utility model relates to a kind of diesel engine cooling unit, the high-order cooling fan structure of specifically a kind of diesel engine.
Background technique
During the diesel engine proper functioning,, fuel oil violent burning in cylinder body discharges a large amount of heats because of promoting the piston acting.In order not make diesel engine influence its proper functioning because of cylinder body is overheated, need lower the temperature to the parts such as cylinder body of diesel engine.The cooling system of diesel engine is generally by water pump, thermoregulator, and radiator, fan and other necessary parts are formed.As disclosing a kind of diesel engine among the Chinese patent literature CN2484410Y, comprise the condensing type single-cylinder horizontal diesel engine that diesel engine frame, starting shaft, fan, water pump, condenser etc. are formed, one water pump connecting base is installed on the diesel-engine body water tank fixed hole position, fan, fan pulley, water pump is installed on the side water channel of water pump connecting base.Provided in this technological scheme and a kind of cooling fan has been arranged on mode on the water pump, water pump and fan rotate simultaneously.
In diesel engine, the diesel engine of some type need be installed in a high position with fan owing to be subjected to the restriction in space on the cylinder head, promptly high-order cooling fan, and water pump in the such scheme and cooling fan just need be installed in a high position together like this.Thermostat is integrated on the cylinder head can makes the diesel engine more compact structure, conserve space, for this type of thermostat is integrated in diesel engine on the cylinder head, because described thermostat has taken segment space, water pump and cooling fan can't be installed in a high position simultaneously owing to be subjected to the restriction in space.And fan is directly driven by water pump pulley in such scheme, and the rotating speed of fan is limited by the rotating speed of Water-pump belt wheel, can't freely adjust.
The model utility content
For this reason, technical problem to be solved in the utility model is cooling unit of the prior art, can't be installed in thermostat is integrated in the diesel engine on the cylinder head, and the problem that the restriction that this kind cooling unit exists the rotating speed of fan to be subjected to water pump can't freely be adjusted is integrated in the cooling unit of the diesel engine on the cylinder head thereby propose a kind of thermostat that is applicable to.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of diesel engine cooling unit, comprise cooling fan and water pump, described water pump is driven by water pump pulley, and described cooling fan is arranged on the fan pulley, and described fan pulley is arranged on the thermostat shell, described thermostat shell is arranged on the cylinder head, and the below of described fan pulley is provided with water pump pulley.
Described fan pulley is driven by described water pump pulley.
Described water pump pulley is driven by the engine crankshaft output wheel.
Described water pump pulley is provided with first belt grooves and second belt grooves, and described first belt grooves is connected with the engine crankshaft output wheel by driving belt, and described second belt grooves is connected with fan pulley by driving belt.
Be provided with the belt loosening and tightening wheel between described water pump pulley and the engine crankshaft output wheel, described driving belt connects engine crankshaft output wheel, belt loosening and tightening wheel, water pump pulley.
Be provided with the belt loosening and tightening wheel between described water pump pulley and the fan pulley.
Be provided with generator pulley between described water pump pulley and the fan pulley, water pump pulley, generator pulley and fan pulley be connected by driving belt.
The utlity model has following advantage:
(1) diesel engine cooling unit described in the utility model, comprise cooling fan and water pump, described water pump is driven by water pump pulley, described cooling fan is arranged on the fan pulley, described fan pulley is arranged on the thermostat shell, described thermostat shell is arranged on the cylinder head, the below of described fan pulley is provided with water pump pulley, the technical problem that the motor that has so just solved the thermostat shell integrated can't be installed high-order fan, by independent fan pulley and water pump pulley are set the thermostat shell is integrated in the original invariant position that keeps cooling fan when diesel engine cylinder covers.
(2) diesel engine cooling unit described in the utility model, fan pulley is driven by described water pump pulley, can control the rotation ratio of described fan and water pump, controls speed of cooling fan by the fan pulley of changing different sizes.
(3) diesel engine cooling unit described in the utility model, described water pump pulley is driven by the engine crankshaft output wheel, and motor is for described water pump provides power, makes the water pump proper functioning.
(4) diesel engine cooling unit described in the utility model, described water pump pulley is provided with first belt grooves and second belt grooves, described first belt grooves is connected with the engine crankshaft output wheel by driving belt, described second belt grooves is connected with fan pulley by driving belt, described like this water pump just can both be connected with the pto of described motor, be connected with described fan pulley again, receive the power that the pto of described motor provides, drive described fan pulley rotation, and make compact overall structure, the use of having saved driving belt.
(5) diesel engine cooling unit described in the utility model, be provided with the belt loosening and tightening wheel between described water pump pulley and the engine crankshaft output wheel, described driving belt connects engine crankshaft output wheel, belt loosening and tightening wheel, water pump pulley, regulate the degree of tightness of belt like this by described belt loosening and tightening wheel, improve the runnability of entire mechanism, prolong the working life of belt.
(6) diesel engine cooling unit described in the utility model also can be provided with the belt loosening and tightening wheel and regulate its degree of tightness between described water pump pulley and the fan pulley.
(7) diesel engine cooling unit described in the utility model, be provided with generator pulley between described water pump pulley and the fan pulley, by driving belt water pump pulley, generator pulley and fan pulley are connected, described generator pulley can play the effect of belt loosening and tightening wheel, make total compact more, saved the space.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is first embodiment of the utility model in diesel engine a plan view;
Fig. 2 is first embodiment of the utility model in diesel engine a side view
Reference character is expressed as among the figure: 1-thermostat shell, 2-fan pulley, 3-water pump pulley, 4-engine crankshaft output wheel, 5-belt loosening and tightening wheel, 6-driving belt, 7-driving belt, 8-generator pulley.
Embodiment
Provide a concrete mode of execution of diesel engine cooling unit described in the utility model below, as shown in Figure 1 and Figure 2, this diesel engine is a kind of thermostat shell 1 to be integrated in diesel engine on the cylinder head, the cooling unit of described diesel engine, comprise cooling fan and water pump, described water pump is driven by water pump pulley 3, described cooling fan is arranged on the fan pulley 2, described fan pulley 2 is arranged on the thermostat shell 1, described thermostat shell 1 is arranged on the cylinder head, and the below of described fan pulley 2 is provided with water pump pulley 3.In the present embodiment, described fan pulley 2 is driven by described water pump pulley 3, described water pump pulley 3 is driven by engine crankshaft output wheel 4, described water pump pulley 3 is provided with first belt grooves and second belt grooves, described first belt grooves is connected with engine crankshaft output wheel 4 by driving belt 6, and described second belt grooves is connected with fan pulley 2 by driving belt 7.Be provided with belt loosening and tightening wheel 5 between described water pump pulley 3 and the engine crankshaft output wheel 4, described driving belt 7 connects engine crankshaft output wheel 4, belt loosening and tightening wheel 5, water pump pulley 3.Be provided with generator pulley 8 between described water pump pulley 3 and the fan pulley 2, by driving belt 6 water pump pulley 3, generator pulley 8 and fan pulley 2 be connected, engine belt pulley 8 herein can be regulated the degree of tightness of belt.
During the work of this diesel engine, the power of motor comes out by 4 transmission of engine crankshaft output wheel, by a driving belt 6 that connects crank wheel 4, water pump pulley 3, belt loosening and tightening wheel 5 power of motor is transported to water pump pulley 3.Above-mentioned belt loosening and tightening wheel 5 is used to regulate the tightness of belt.Water pump pulley 3 is connected with fan pulley 2 on the thermostat shell 1 by another driving belt 7.The cooling fan of motor is installed on the said fans belt pulley 2, drives cooling fan by water pump pulley 3 and rotates.When needs are regulated cooling fan rotation speed, can regulate the rotating speed of fan by the fan pulley 2 on the thermostat shell of changing different sizes.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (7)
1. diesel engine cooling unit, comprise cooling fan and water pump, described water pump is driven by water pump pulley (3), it is characterized in that: described cooling fan is arranged on the fan pulley (2), described fan pulley (2) is arranged on the thermostat shell (1), described thermostat shell (1) is arranged on the cylinder head, and the below of described fan pulley (2) is provided with water pump pulley (3).
2. diesel engine cooling unit according to claim 1 is characterized in that: described fan pulley (2) is driven by described water pump pulley (3).
3. diesel engine cooling unit according to claim 1 and 2 is characterized in that: described water pump pulley (3) is driven by engine crankshaft output wheel (4).
4. diesel engine cooling unit according to claim 3, it is characterized in that: described water pump pulley (3) is provided with first belt grooves and second belt grooves, described first belt grooves is connected with engine crankshaft output wheel (4) by driving belt (6), and described second belt grooves is connected with fan pulley (2) by driving belt (7).
5. diesel engine cooling unit according to claim 3, it is characterized in that: be provided with belt loosening and tightening wheel (5) between described water pump pulley (3) and the engine crankshaft output wheel (4), described driving belt (6) connects engine crankshaft output wheel (4), belt loosening and tightening wheel (5), water pump pulley (3).
6. diesel engine cooling unit according to claim 2 is characterized in that: be provided with the belt loosening and tightening wheel between described water pump pulley (3) and the fan pulley (2).
7. diesel engine cooling unit according to claim 2, it is characterized in that: be provided with generator pulley (8) between described water pump pulley (3) and the fan pulley (2), water pump pulley (3), generator pulley (8) and fan pulley (2) be connected by driving belt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202079240U CN202081955U (en) | 2011-06-20 | 2011-06-20 | Cooling device for diesel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202079240U CN202081955U (en) | 2011-06-20 | 2011-06-20 | Cooling device for diesel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202081955U true CN202081955U (en) | 2011-12-21 |
Family
ID=45342587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202079240U Expired - Lifetime CN202081955U (en) | 2011-06-20 | 2011-06-20 | Cooling device for diesel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202081955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246325A (en) * | 2016-09-24 | 2016-12-21 | 雷沃重工股份有限公司 | Engine blower controls device |
| CN114876623A (en) * | 2022-04-27 | 2022-08-09 | 安徽全柴动力股份有限公司 | Diesel engine cooling system |
-
2011
- 2011-06-20 CN CN2011202079240U patent/CN202081955U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246325A (en) * | 2016-09-24 | 2016-12-21 | 雷沃重工股份有限公司 | Engine blower controls device |
| CN114876623A (en) * | 2022-04-27 | 2022-08-09 | 安徽全柴动力股份有限公司 | Diesel engine cooling system |
| CN114876623B (en) * | 2022-04-27 | 2022-12-20 | 安徽全柴动力股份有限公司 | Diesel engine cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151218 Address after: 213176 Chang FA Industrial Park, Wujin Road, Wujin District, Jiangsu, Changzhou Patentee after: Jiangsu Changfa Agricultural Equipment Co., Ltd. Address before: 213176 Chang FA Industrial Zone, South Gate, Wujin District, Jiangsu, Changzhou Patentee before: Changfa Power Machinery Co., Ltd., Changzhou City |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |