CN207297796U - A kind of transmission system of wheel loader energy saver - Google Patents
A kind of transmission system of wheel loader energy saver Download PDFInfo
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- CN207297796U CN207297796U CN201721027996.0U CN201721027996U CN207297796U CN 207297796 U CN207297796 U CN 207297796U CN 201721027996 U CN201721027996 U CN 201721027996U CN 207297796 U CN207297796 U CN 207297796U
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- oil
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- sensing valve
- oil outlet
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Abstract
The utility model discloses a kind of transmission system of wheel loader energy saver, including the torque-converters being connected by being driven oil circuit, temperature controller, radiator and gearbox, the temperature controller includes temperature-sensing valve, temperature sensor and control circuit, and the first control setting value and the second control setting value are provided with temperature controller, first control setting value is more than the second control setting value, temperature-sensing valve includes oil inlet, first oil outlet and the second oil outlet, the oil outlet of torque-converters is connected by being driven oil circuit with the oil inlet of temperature-sensing valve, first oil outlet of temperature-sensing valve is connected by being driven oil circuit with the oil inlet of gearbox, second oil outlet of temperature-sensing valve is connected by being driven oil circuit with the oil inlet of radiator, the oil outlet of radiator is connected by being driven oil circuit with the oil inlet of gearbox.The problem of the utility model efficiently solves loading machine transmission system work efficiency is low at low ambient temperatures, can save more than 3% oil consumption.
Description
Technical field
It the utility model is related to loading machine technical field, more particularly to a kind of transmission system of wheel loader energy saver.
Background technology
Existing loading machine generally uses interior circulation cooling lubricating system with fluid torque-converter.In the course of work, speed-variable pump
Operated under the drive of engine, through filter from fuel tank pumping cutting oil.After transmission fluid enters gearbox overflow valve,
A part is flowed out to for its use in gearbox clutch system, and another part transmission oil acts on the spool production of gearbox overflow valve
After raw movement, enter on wheel stand the fuel feed hole set along the pipeline inside converter cover all the way, hence into pump impeller, lead
Wheel and turbine, this part fluid pump impeller, guide wheel, turbine rotation when under the influence of centrifugal force, along pump impeller, guide wheel, turbine
Gap splash to inside hubcap, to the piece surfaces such as rolling bearing, turbine seat carry out cooling and lubricating, from pump impeller, guide wheel, turbine
Reserve the oil outlet that the oil come is set along on wheel stand to reserve, then carried out through the oil duct inflow radiator on converter cover
Cooling, enters eventually into the transmission system of loading machine.The torque-converters and gearbox of loading machine require tool in summer operation
Standby higher heat-sinking capability, therefore torque-converters and gearbox are connected directly by oil circuit and radiator, transmission oil all participates in dissipating
Heat, but this connection mode causes loading machine when working under cold operating mode, transmission oil participates in radiating in real time, causes oil
Temperature is too low, and vehicle work efficiency reduces, and adds oil consumption.
It can be seen from the above that the prior art is up for further improving.
Utility model content
The utility model is to avoid above-mentioned the shortcomings of the prior art part, there is provided a kind of transmission system of wheel loader is used
The problem of energy saver, the device efficiently solve existing loading machine transmission system efficiency are low at low ambient temperatures.
Technical solution is used by the utility model：
A kind of transmission system of wheel loader energy saver, including by being driven the torque-converters, temperature controller, heat dissipation that oil circuit is connected
Device and gearbox, the temperature controller includes temperature-sensing valve, temperature sensor and control circuit, and the first control is provided with temperature controller
Setting value and the second control setting value, the first control setting value are more than the second control setting value, and temperature-sensing valve includes oil inlet, first
Oil outlet and the second oil outlet, the oil outlet of torque-converters are connected by being driven oil circuit with the oil inlet of temperature-sensing valve, and the of temperature-sensing valve
One oil outlet is connected by being driven oil circuit with the oil inlet of gearbox, and the second oil outlet of temperature-sensing valve is by being driven oil circuit and heat dissipation
The oil inlet of device is connected, and the oil outlet of radiator is connected by being driven oil circuit with the oil inlet of gearbox.
When the environment temperature that temperature sensor detects is not less than the first control setting value, control circuit control first goes out
Hydraulic fluid port is closed, the second oil outlet is opened, and the glide path of transmission oil is followed successively by torque-converters, temperature-sensing valve, radiator, gearbox.
When the environment temperature that temperature sensor detects is not higher than the second control setting value, control circuit control first goes out
Hydraulic fluid port is opened, the second oil outlet is closed, and the glide path of transmission oil is followed successively by torque-converters, temperature-sensing valve, gearbox.
When the environment temperature that temperature sensor detects be not reaching to the first control setting value or second control setting value it
Before, the glide path before transmission oil maintenance.
By adopting the above-described technical solution, having the beneficial effect that acquired by the utility model：
When environment temperature is relatively up to the first control setting value, second oil outlet of the transmission oil through temperature-sensing valve exits into
Radiator, gearbox is entered back into after the completion of heat dissipation, ensure that the oil temperature of transmission internal within the scope of suitable temperature.Work as environment
Temperature is relatively low and when setting value is controlled less than second, transmission oil directly flows back to gearbox through the outflow of the first oil outlet, and transmission oil is not
Through heat dissipation, only circulated in inside, ensure that the oil temperature of transmission oil is constantly in suitable temperature.The utility model efficiently solves
Loading machine the problem of transmission system efficiency is low at low ambient temperatures, can save more than 3% oil consumption, and the knot of utility model
Structure is simple, and reliability is high, and cost of manufacture is relatively low.
Brief description of the drawings
Fig. 1 is the principle schematic diagram of the utility model.
Wherein,
1st, torque-converters 2, radiator 3, gearbox 4, temperature-sensing valve 41, oil inlet 42, the first oil outlet 43, second go out
Hydraulic fluid port
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but the utility model
It is not limited to these embodiments.
As shown in Figure 1, a kind of transmission system of wheel loader energy saver, including by be driven torque-converters 1 that oil circuit is connected,
Temperature controller, radiator 2 and gearbox 3.The temperature controller includes temperature-sensing valve 4, temperature sensor and control circuit, and in temperature controller
It is provided with the first control setting value and the second control setting value.Described first controls setting value as 95 DEG C, 100 DEG C, 105 DEG C or 95
DEG C to any number between 105 DEG C.Described second control setting value be 85 DEG C, 87 DEG C, 90 DEG C or 85 DEG C to 90 DEG C between
Any number.
The temperature-sensing valve 4 includes oil inlet 41, the first oil outlet 42 and the second oil outlet 43, the oil outlet of torque-converters 1 and leads to
Cross transmission oil circuit with the oil inlet 41 of temperature-sensing valve 4 to be connected, the first oil outlet 42 of temperature-sensing valve 4 is by being driven oil circuit and gearbox 3
Oil inlet be connected, the second oil outlet 43 of temperature-sensing valve 4 is connected by being driven oil circuit with the oil inlet of radiator 2, radiator 2
Oil outlet is connected by being driven oil circuit with the oil inlet of gearbox 3.
When the environment temperature that temperature sensor detects is not less than the first control setting value, control circuit control first goes out
Hydraulic fluid port 42 is closed, the second oil outlet 43 is opened, and the glide path of transmission oil is followed successively by torque-converters 1, temperature-sensing valve 4, radiator 2, change
Fast case 3, i.e. transmission oil need to radiate through radiator 2 first after coming out from torque-converters 1 flows back into gearbox 3 again, to ensure gearbox 3
Interior oil temperature is within the scope of suitable temperature.
When the environment temperature that temperature sensor detects is not higher than the second control setting value, control circuit control first goes out
Hydraulic fluid port 42 is opened, the second oil outlet 43 is closed, and the glide path of transmission oil is followed successively by torque-converters 1, temperature-sensing valve 4, gearbox 3, i.e.,
Transmission oil radiates without radiator 2 and directly flows back into gearbox 3, to ensure that transmission oil is constantly in suitable temperature, effectively
Ground solves the problems, such as that loading machine work efficiency is low under the low operating mode of temperature.
When the environment temperature that temperature sensor detects be not reaching to the first control setting value or second control setting value it
Before, the glide path before transmission oil maintenance.Specifically：When the environment temperature that temperature sensor detects reaches the second control
When heating up after setting up definite value from the second control setting value to the first control setting value but not controlling setting value up to first, transmission oil
Glide path still maintain before environment temperature not higher than second control setting value when glide path, i.e. transmission oil flowing
Route is followed successively by torque-converters 1, temperature-sensing valve 4, gearbox 3；Set when the environment temperature that temperature sensor detects reaches the first control
After definite value from first control setting value to second control setting value cooling but not up to second control setting value when, transmission oil
The glide path of glide path, i.e. transmission oil when environment temperature is higher than the first control setting value before glide path still maintains
It is followed successively by torque-converters 1, temperature-sensing valve 4, radiator 2, gearbox 3.
The part do not addressed in the utility model uses or uses for reference prior art and can be achieved.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that indicating or implying relatively important
Property.
Specific embodiment described herein is only the spiritual example explanation to the utility model.This practicality
New person of ordinary skill in the field can do various modifications or additions to described specific embodiment or adopt
Substituted with similar mode, but without departing from the spirit of the present application or surmount model defined in the appended claims
Enclose.
Claims (4)
1. a kind of transmission system of wheel loader energy saver, it is characterised in that including by being driven torque-converters, the temperature that oil circuit is connected
Device, radiator and gearbox are controlled, the temperature controller includes temperature-sensing valve, temperature sensor and control circuit, and is set in temperature controller
There are the first control setting value and the second control setting value, the first control setting value is more than the second control setting value, and temperature-sensing valve includes
Oil inlet, the first oil outlet and the second oil outlet, the oil outlet of torque-converters are connected by being driven oil circuit with the oil inlet of temperature-sensing valve,
First oil outlet of temperature-sensing valve is connected by being driven oil circuit with the oil inlet of gearbox, and the second oil outlet of temperature-sensing valve passes through transmission
Oil circuit is connected with the oil inlet of radiator, and the oil outlet of radiator is connected by being driven oil circuit with the oil inlet of gearbox.
2. a kind of transmission system of wheel loader energy saver according to claim 1, it is characterised in that work as temperature sensor
When the environment temperature detected is not less than the first control setting value, control circuit controls the first oil outlet to close, the second oil outlet
Open, the glide path of transmission oil is followed successively by torque-converters, temperature-sensing valve, radiator, gearbox.
3. a kind of transmission system of wheel loader energy saver according to claim 1, it is characterised in that work as temperature sensor
When the environment temperature detected is not higher than the second control setting value, control circuit controls the first oil outlet to open, the second oil outlet
Close, the glide path of transmission oil is followed successively by torque-converters, temperature-sensing valve, gearbox.
4. a kind of transmission system of wheel loader energy saver according to claim 1, it is characterised in that work as temperature sensor
The environment temperature detected is not reaching to before the first control setting value or the second control setting value, the stream before transmission oil maintenance
Dynamic route.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027996.0U CN207297796U (en) | 2017-08-17 | 2017-08-17 | A kind of transmission system of wheel loader energy saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027996.0U CN207297796U (en) | 2017-08-17 | 2017-08-17 | A kind of transmission system of wheel loader energy saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297796U true CN207297796U (en) | 2018-05-01 |
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ID=62444514
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721027996.0U Active CN207297796U (en) | 2017-08-17 | 2017-08-17 | A kind of transmission system of wheel loader energy saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345564A (en) * | 2017-08-17 | 2017-11-14 | 青岛雷沃工程机械有限公司 | A kind of transmission system of wheel loader energy saver |
-
2017
- 2017-08-17 CN CN201721027996.0U patent/CN207297796U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345564A (en) * | 2017-08-17 | 2017-11-14 | 青岛雷沃工程机械有限公司 | A kind of transmission system of wheel loader energy saver |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266500 No. 75 east the Yellow River Road, Qingdao economic and Technological Development Zone, Shandong Patentee after: LOVOL Engineering Machinery Group Co.,Ltd. Address before: 266500 No. 75 east the Yellow River Road, Qingdao economic and Technological Development Zone, Shandong Patentee before: QINGDAO LOVOL ENGINEERING MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.75, Huanghe East Road, Qingdao Economic and Technological Development Zone, Shandong Province 266500 Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: No.75, Huanghe East Road, Qingdao Economic and Technological Development Zone, Shandong Province 266500 Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |