CN203784022U - Hydraulic oil temperature control device and engineering machine - Google Patents
Hydraulic oil temperature control device and engineering machine Download PDFInfo
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- CN203784022U CN203784022U CN201320680542.9U CN201320680542U CN203784022U CN 203784022 U CN203784022 U CN 203784022U CN 201320680542 U CN201320680542 U CN 201320680542U CN 203784022 U CN203784022 U CN 203784022U
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- hydraulic oil
- heat energy
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- pipeline
- temperature
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Abstract
The utility model discloses a hydraulic oil temperature control device and an engineering machine, and relates to the technical field of engineering machinery. The hydraulic oil temperature control device solves the technical problem that in the prior art, under a low temperature environment, a hydraulic executing element of a hydraulic system is low in work efficiency. The hydraulic oil temperature control device comprises a heat energy transmitting device and a heat energy exchanging device, the heat energy transmitting device is connected with the heat energy exchanging device and a heat source, and heat energy released by the heat source can be transmitted to the heat energy exchanging device through the heat energy transmitting device. The heat energy exchanging device is connected with a hydraulic oil tank and conducts heat energy to the hydraulic oil tank. The engineering machine comprises an oil pump, a hydraulic executing element, the hydraulic oil tank and the hydraulic oil temperature control device. The hydraulic oil temperature control device is used for improving work efficiency of the hydraulic executing element under a low temperature environment.
Description
Technical field
The utility model relates to technical field of engineering machinery, the engineering machinery that relates in particular to a kind of hydraulic fluid temperature control gear and this hydraulic fluid temperature control gear is set.
Background technique
Engineering machinery is to being applied to the general name of the construction plant of engineering construction.Hydraulic system is one of important component part of most of engineering machinery.Hydraulic system refers to usings a kind of transmission system that liquid transmits and control energy as working medium.
At present, along with the propelling of China and even global modernization, engineering construction is all being carried out throughout the year in most countries and area.This just require overall engineering machine (complete machine refers to complete or whole with electronic product single, separate unit form, below by overall engineering machine referred to as: hydraulic system complete machine) can be effectively worked at the various weather conditions of the whole year.
At least there is following technical problem in prior art:
For most countries and area, two season of summer in winter the temperature difference larger, therefore fluid is (for example: fluid characteristics hydraulic oil) also produces a lot of variation.So just make complete machine distinct service behaviour under two seasons of summer in winter or the larger working environment of the temperature difference; Be embodied in: compare with summer or ambient temperature higher state, (all take below the northern hemisphere as example) in the winter time or under the lower state of ambient temperature, the hydraulic actuators such as oil cylinder of complete machine during same power input (referred to as: movement speed executive component) is obviously slack-off, has a strong impact on performance and the operating efficiency of overall performance.Until complete machine work a period of time, hydraulic fluid temperature rises gradually, and overall performance just may recover to some extent.
Therefore: there is hydraulic system lower technical problem of hydraulic actuator operating efficiency under the lower environment of temperature in prior art.
Model utility content
One of them object of the present utility model is the engineering machinery that proposes a kind of hydraulic fluid temperature control gear and this hydraulic fluid temperature control gear is set, and has solved prior art and has had hydraulic system lower technical problem of hydraulic actuator operating efficiency under the lower environment of temperature.
Many technique effects that the utility model optimal technical scheme can produce refer to below sets forth.
For achieving the above object, the utility model provides following technological scheme:
The hydraulic fluid temperature control gear that the utility model provides, comprises thermal energy transfer device and heat energy exchange device, wherein:
Described thermal energy transfer device is connected with described heat energy exchange device and thermal source respectively, and the thermal energy transfer that described thermal source can discharge described thermal source by described thermal energy transfer device is to described heat energy exchange device;
Described heat energy exchange device is connected with hydraulic oil container, and described heat energy exchange device can be by thermal energy conduction to described hydraulic oil container.
At one, preferably or alternatively in embodiment, described thermal source is the radiator of motor or motor.
At one, preferably or alternatively in embodiment, described thermal energy transfer device and described heat energy exchange device include separately pipeline and are filled in the thermal fluid in described pipeline, wherein:
The pipeline envelope of described thermal energy transfer device is outside the radiator of described motor or described motor;
The pipeline envelope of described heat energy exchange device is outside described hydraulic oil container;
The pipeline of described thermal energy transfer device is connected with the pipeline of described heat energy exchange device.
At one, preferably or alternatively in embodiment, the pipeline of described heat energy exchange device is coiler.
At one, preferably or alternatively in embodiment, described hydraulic fluid temperature control gear also comprises control valve, wherein:
Described control valve is arranged on the hydraulic oil path between the pipeline of described thermal energy transfer device and the pipeline of described heat energy exchange device, and described hydraulic oil path be closed or be opened to described control valve can by the mode of closing valve or driving valve.
At one, preferably or alternatively in embodiment, described control valve is solenoid valve, and described hydraulic fluid temperature control gear also comprises the temperature-detecting device being electrically connected to described control valve, wherein:
The temperature transducer of described temperature-detecting device contacts with described hydraulic oil container or the temperature transducer of described temperature-detecting device stretches in the hydraulic oil in described hydraulic oil container;
Described in when the temperature that the temperature transducer of described temperature-detecting device detects surpasses predetermined temperature value, temperature-detecting device can send and close valve signal described control valve, and described control valve can be closed described hydraulic oil path after receiving described pass valve signal.
At one, preferably or alternatively in embodiment, described thermal fluid is water.
At one, preferably or alternatively in embodiment, the position height of described hydraulic oil container is not less than the position height of described thermal source.
The engineering machinery that the utility model provides, comprises the hydraulic fluid temperature control gear that the arbitrary technological scheme of oil pump, hydraulic actuator, hydraulic oil container and the utility model provides, wherein:
The hydraulic oil outlet of described oil pump is connected with the hydraulic oil entrance of described hydraulic actuator, and the hydraulic oil import of described oil pump and the outlet of the hydraulic oil of described hydraulic actuator are all connected with described hydraulic oil container.
At one, preferably or alternatively in embodiment, described engineering machinery is engineering vehicle, and described hydraulic actuator is oil cylinder.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
In the hydraulic fluid temperature control gear providing due to the utility model, the thermal energy transfer that thermal source can discharge thermal source by thermal energy transfer device is to heat energy exchange device, heat energy exchange device can be by thermal energy conduction to hydraulic oil container, to realize the hydraulic oil heating in hydraulic oil container, after hydraulic oil heating, temperature rises, so also, for greatly improving, there is hydraulic system lower technical problem of hydraulic actuator operating efficiency under the lower environment of temperature so solved prior art in operating efficiency.
The hydraulic fluid temperature control gear that the utility model provides all can play similar oil temperature control action in most hydraulic type engineering machinery; And be particularly suitable for those from the engineering machinery of starting or the normal need of work certain hour of dispatching a car, and during this device busy, both effectively utilized unnecessary heat energy, can make again complete machine enter fast desirable working state.
The optimal technical scheme that the utility model provides compared with prior art at least can produce following technique effect:
1, hydraulic oil plays energy transfer function in hydraulic system, and temperature plays vital effect to the performance of its performance, controls its temperature well can make it bring into play desirable effect.
2, hydraulic fluid temperature control gear carries out temperature control using complete machine motor as thermal source to hydraulic oil, takes into full account the real work situation of complete machine and effectively utilizes.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
A schematic diagram of the engineering vehicle that Fig. 1 is the hydraulic fluid temperature control gear that the utility model embodiment is set provides;
The schematic diagram of annexation between hydraulic oil container and control valve, temperature transducer and thermal source in the hydraulic fluid temperature control gear that Fig. 2 provides for the utility model embodiment;
Reference character: 1, thermal energy transfer device; 2, heat energy exchange device; 3, motor; 4, hydraulic oil container; 5, radiator; 6, control valve; 7, temperature-detecting device; 8, oil pump; 9, hydraulic actuator; 10, hydraulic pipe line; 11, engineering vehicle chassis.
Embodiment
Can understand the distinctive points between content of the present utility model and the utility model and prior art with reference to accompanying drawing Fig. 1～Fig. 2 and word content below.Below, by accompanying drawing and the mode of enumerating optional embodiments more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristics in the present embodiment, any technological scheme is all the technical characteristics of plurality of optional or one or more in optional technological scheme, cannot exhaustive all alternative technical characteristicss of the present utility model and alternative technological scheme in order to describe succinct need in presents, also the mode of execution that is not easy to each technical characteristics all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means that the utility model can be provided is replaced or any two or more technological means or technical characteristics that the utility model is provided combine mutually and obtain new technological scheme.Any technical characteristics in the present embodiment and any technological scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art any two or more technological means that the utility model is provided or technical characteristics combine mutually and the new technological scheme that obtains.
The utility model embodiment provides a kind of can improve the temperature of hydraulic oil in hydraulic system, the hydraulic fluid temperature control gear that improves hydraulic actuator operating efficiency and the engineering machinery that this hydraulic fluid temperature control gear is set as required.
Technological scheme the utility model being provided below in conjunction with Fig. 1～Fig. 2 is carried out more detailed elaboration.
As shown in Fig. 1～Fig. 2, the hydraulic fluid temperature control gear that the utility model embodiment provides, comprises thermal energy transfer device 1 and heat energy exchange device 2, wherein:
Thermal energy transfer device 1 is connected with heat energy exchange device 2 and thermal source (thermal source is preferably motor 3) respectively, and the thermal energy transfer that thermal source can discharge thermal source by thermal energy transfer device 1 is to heat energy exchange device 2.
Heat energy exchange device 2 is connected with hydraulic oil container 4, and heat energy exchange device 2 can be by thermal energy conduction to hydraulic oil container 4.
The thermal energy transfer that thermal source can discharge thermal source by thermal energy transfer device 1 is to heat energy exchange device 2, heat energy exchange device 2 can be by thermal energy conduction to hydraulic oil container 4, to realize the hydraulic oil heating in hydraulic oil container 4, after hydraulic oil heating, temperature rises, so operating efficiency is also for greatly improving.
As preferably a kind of or mode of execution alternatively, thermal energy transfer device 1 and heat energy exchange device 2 include separately pipeline and are filled in the thermal fluid in pipeline, and thermal fluid is preferably water.Wherein: the pipeline envelope of thermal energy transfer device 1 is outside the radiator 5 of motor 3 or motor 3, and the pipeline of thermal energy transfer device 1 is preferably envelope outside the radiator 5 of motor 3.
The pipeline envelope of heat energy exchange device 2 is outside hydraulic oil container 4.The pipeline of heat energy exchange device 2 is preferably coiler.The pipeline of thermal energy transfer device 1 is connected with the pipeline of heat energy exchange device 2.
The thermal energy transfer device 1 of said structure and heat energy exchange device 2 have with low cost, simple in structure and advantage that heat transfer efficiency is high.
As preferably a kind of or mode of execution alternatively, hydraulic fluid temperature control gear also comprises control valve 6, wherein:
Control valve 6 is arranged on the hydraulic oil path between the pipeline of thermal energy transfer device 1 and the pipeline of heat energy exchange device 2, and hydraulic oil path be closed or be opened to control valve 6 can by the mode of closing valve or driving valve.
When control valve 6 closes valve, the hydraulic oil path blockade that control valve 6 is arranged between the pipeline of thermal energy transfer device 1 and the pipeline of heat energy exchange device 2 (or claims: cut-off), can stop thus flowing of thermal fluid, and then also can stop the transmission of heat energy, avoid the hydraulic oil in hydraulic oil container 4 to heat up, otherwise, when control valve 6 is driven valve, thermal fluid is free-flow in pipeline, heat energy can be passed to hydraulic oil container 4 by thermal fluid fast thus, thereby the hydraulic oil in hydraulic oil container 4 is heated up.
As preferably a kind of or mode of execution alternatively, control valve 6 is solenoid valve, and hydraulic fluid temperature control gear also comprises the temperature-detecting device 7 being electrically connected to control valve 6, wherein:
The temperature transducer of temperature-detecting device 7 contacts with hydraulic oil container 4 or the temperature transducer of temperature-detecting device 7 stretches in the hydraulic oil in hydraulic oil container 4.
When the temperature that the temperature transducer of temperature-detecting device 7 detects surpasses predetermined temperature value, temperature-detecting device 7 can send and close valve signal control valve 6, and control valve 6 can be closed hydraulic oil path after receiving and closing valve signal.
The automaticity that is arranged so that the hydraulic fluid temperature control gear that the utility model provides of temperature-detecting device 7 greatly improves.Predetermined temperature value can be set arbitrarily according to actual needs.
As preferably a kind of or mode of execution alternatively, the position height of hydraulic oil container 4 is not less than the position height of thermal source.The thermal fluid density high due to temperature can diminish and then rise, so the position height of hydraulic oil container 4 while being not less than the position height of thermal source, is conducive to thermal fluid, towards hydraulic oil container 4, flows and transferring heat energy.
The engineering machinery that the utility model embodiment provides, this project machinery is preferably engineering vehicle, has marked the chassis 11 of this project vehicle in Fig. 1.This project machinery comprises the hydraulic fluid temperature control gear that oil pump 8, hydraulic actuator 9, hydraulic oil container 4 and the arbitrary technological scheme of the utility model provide, wherein:
The hydraulic oil outlet of oil pump 8 is connected with the hydraulic oil entrance of hydraulic actuator (being preferably oil cylinder) 9, and the hydraulic oil import of oil pump 8 and the outlet of the hydraulic oil of hydraulic actuator 9 are all connected with hydraulic oil container 4.
The hydraulic fluid temperature control gear that the utility model provides can improve hydraulic fluid temperature, and then improve the execution efficiency of hydraulic actuator 9, and then the working efficiency when improving it and work in the lower environment of temperature in the suitable hydraulic system that is applied to engineering machinery.
Operation when the hydraulic fluid temperature control gear of below concentrating explanation the utility model to provide is applied to engineering machinery:
Motor 3 constantly distributes heat energy in operation process; radiator 5 by motor 3 obtains heat energy Q; via medium taches such as thermal energy transfer device 1 and heat energy exchange devices 2, heat energy Q1 (Q1<Q) is passed to the hydraulic oil in hydraulic oil container 4, make hydraulic fluid temperature T increase gradually;
When the thermal energy transfer through after a while, hydraulic oil reaches suitable temperature T1(T1>T0), the hydraulic system of complete machine can be brought into play its performance preferably; At this moment, hydraulic oil temperature control gear can quit work, and avoids oil temperature too high and affect the performance of hydraulic system performance.The meaning of partial parameters mentioned above can see the following form 1:
Table 1
| Parameter meaning | Explanation |
| The heat energy that Q engine radiator obtains | Come from motor |
| The heat energy that Q1 hydraulic oil absorbs | Q1<Q |
| T0 hydraulic oil initial temperature | Lower |
| The suitable temperature that T1 hydraulic system is required | T1>T0 |
| The real-time hydraulic oil oil temperature of T | Real-time change |
Above-mentioned arbitrary technological scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
If used the words such as " first ", " second " to limit component herein, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe above component are distinguished as not having outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if above-mentioned the utility model discloses or has related to component or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technological scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by a plurality of independent constituent elements, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characteristics is equal to replacement embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope that the utility model asks for protection.
Claims (4)
1. a hydraulic fluid temperature control gear, is characterized in that, comprises thermal energy transfer device and heat energy exchange device, wherein:
Described thermal energy transfer device is connected with described heat energy exchange device and thermal source respectively, and the thermal energy transfer that described thermal source can discharge described thermal source by described thermal energy transfer device is to described heat energy exchange device;
Described heat energy exchange device is connected with hydraulic oil container, and described heat energy exchange device can be by thermal energy conduction to described hydraulic oil container; Described thermal source is the radiator of motor; Described thermal energy transfer device and described heat energy exchange device include separately pipeline and are filled in the thermal fluid in described pipeline, wherein:
The pipeline envelope of described thermal energy transfer device is outside the radiator of described motor;
The pipeline envelope of described heat energy exchange device is outside described hydraulic oil container;
The pipeline of described thermal energy transfer device is connected with the pipeline of described heat energy exchange device; The position height of described hydraulic oil container is not less than the position height of described thermal source;
Described hydraulic fluid temperature control gear also comprises control valve, wherein:
Described control valve is arranged on the hydraulic oil path between the pipeline of described thermal energy transfer device and the pipeline of described heat energy exchange device, and described hydraulic oil path be closed or be opened to described control valve can by the mode of closing valve or driving valve; Described control valve is solenoid valve, and described hydraulic fluid temperature control gear also comprises the temperature-detecting device being electrically connected to described control valve, wherein:
The temperature transducer of described temperature-detecting device contacts with described hydraulic oil container;
Described in when the temperature that the temperature transducer of described temperature-detecting device detects surpasses predetermined temperature value, temperature-detecting device can send and close valve signal described control valve, and described control valve can be closed described hydraulic oil path after receiving described pass valve signal.
2. hydraulic fluid temperature control gear according to claim 1, is characterized in that, the pipeline of described heat energy exchange device is coiler.
3. an engineering machinery, is characterized in that, comprises the arbitrary described hydraulic fluid temperature control gear of oil pump, hydraulic actuator, hydraulic oil container and claim 1-2, wherein:
The hydraulic oil outlet of described oil pump is connected with the hydraulic oil entrance of described hydraulic actuator, and the hydraulic oil import of described oil pump and the outlet of the hydraulic oil of described hydraulic actuator are all connected with described hydraulic oil container.
4. engineering machinery according to claim 3, is characterized in that, described engineering machinery is engineering vehicle, and described hydraulic actuator is oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320680542.9U CN203784022U (en) | 2013-10-31 | 2013-10-31 | Hydraulic oil temperature control device and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320680542.9U CN203784022U (en) | 2013-10-31 | 2013-10-31 | Hydraulic oil temperature control device and engineering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784022U true CN203784022U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320680542.9U Withdrawn - After Issue CN203784022U (en) | 2013-10-31 | 2013-10-31 | Hydraulic oil temperature control device and engineering machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN203784022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527567A (en) * | 2013-10-31 | 2014-01-22 | 徐州徐工施维英机械有限公司 | Hydraulic oil temperature control device and engineering device |
-
2013
- 2013-10-31 CN CN201320680542.9U patent/CN203784022U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527567A (en) * | 2013-10-31 | 2014-01-22 | 徐州徐工施维英机械有限公司 | Hydraulic oil temperature control device and engineering device |
| CN103527567B (en) * | 2013-10-31 | 2016-05-11 | 徐州徐工施维英机械有限公司 | Hydraulic fluid temperature control device and engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20160511 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20160511 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |