CN203394937U - Hydraulic oil temperature control system and rotary drilling rig and engineering machine including hydraulic oil temperature control system - Google Patents
Hydraulic oil temperature control system and rotary drilling rig and engineering machine including hydraulic oil temperature control system Download PDFInfo
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- CN203394937U CN203394937U CN201320491310.9U CN201320491310U CN203394937U CN 203394937 U CN203394937 U CN 203394937U CN 201320491310 U CN201320491310 U CN 201320491310U CN 203394937 U CN203394937 U CN 203394937U
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Abstract
The utility model provides a hydraulic oil temperature control system and a rotary drilling rig and an engineering machine including the hydraulic oil temperature control system. The hydraulic oil temperature control system comprises a hydraulic oil tank (10), a cooling oil way (20) provided with a cooling device (21) contained with cooling hydraulic oil, a heating device (30) arranged on the hydraulic oil tank (10), a temperature measuring device (40) and a controller (50). The controller acts on the cooling oil way (20) and the heating device (30), controls the cooling oil way (20) or the heating device (30) according to oil temperature information fed back by the temperature measuring device (40) and is used for cooling the hydraulic oil of the cooling oil way (20) or heating the hydraulic oil through the heating device (30). By using the hydraulic oil temperature control system, functions of cooling and heating the hydraulic oil in the hydraulic oil tank can be achieved respectively, and a phenomenon that air voids are produced in the hydraulic oil in the working process is avoided.
Description
Technical field
The utility model relates to hydraulic oil cooling system field, in particular to a kind of hydraulic fluid temperature control system and the rotary drilling rig that comprises it, engineering machinery.
Background technique
Temperature is very large to the viscosity influence of hydraulic oil liquid, in order to obtain suitable viscosity, must control the temperature of fluid.And existing oil liquid temperature is mainly controlled by the start and stop of manual operation cooler fan, when hydraulic fluid temperature in operator feel hydraulic oil container is higher, operator operate cooling fan and open, to the processing of lowering the temperature of the hydraulic oil in hydraulic oil container, hydraulic fluid temperature in sensation hydraulic oil container is reduced to after suitable temperature, operator operate cooling fan and close, cooling stopping.In above-mentioned control procedure, need manual detection, have human error, also increased cost of labor and power consumpiton, Qie Dang cold area or while just having started, hydraulic fluid temperature is lower, there is no heating function, viscosity is too large, has increased power consumpiton, also can produce cavitation.
Model utility content
The utility model aims to provide a kind of hydraulic fluid temperature control system and the rotary drilling rig that comprises it, engineering machinery, can realize respectively the cooling and heating function to the hydraulic oil in hydraulic oil container automatically, avoids hydraulic oil to produce in the course of the work cavitation.
To achieve these goals, according to Yi Ge of the present utility model aspect, provide a kind of hydraulic fluid temperature control system, having comprised: hydraulic oil container, comprises oil outlet and return opening; Cooling oil path, first end is connected to oil outlet, and the second end is connected to return opening, is provided with the cooling unit of cooling liquid force feed on cooling oil path; Heating equipment, is arranged on hydraulic oil container, can be to the hydraulic oil heating in hydraulic oil container; Temperature measuring equipment, for detection of the hydraulic fluid temperature in hydraulic oil container; And controller, controller action is in cooling oil path, heating equipment, and the oil temperature information of feeding back by temperature measuring equipment, controls cooling oil path or heating equipment, for carrying out cooling to the hydraulic oil of cooling oil path or by heating equipment, hydraulic oil being heated.
Further, heating equipment is electric heating type heater.
Further, temperature measuring equipment is electric contact bimetallic thermometer.
Further, controller is built-in with temperature threshold, and the hydraulic fluid temperature of measuring when temperature measuring equipment is during higher than threshold value, and controller is controlled hydraulic oil output unit and started, the hydraulic fluid temperature of measuring when temperature measuring equipment is during lower than threshold value, and controller is controlled hydraulic oil output unit and stopped.
Further, temperature measuring equipment has four temperature news points ST1, ST2, ST3 and ST4, ST1<ST2<ST3<ST4 wherein, during hydraulic fluid temperature T<ST1 in hydraulic oil container, controller is controlled heating equipment the hydraulic oil in hydraulic oil container is heated; Hydraulic fluid temperature T in hydraulic oil container>during ST2, controller is controlled heater stop the hydraulic oil in hydraulic oil container is heated; Hydraulic fluid temperature T in hydraulic oil container>during ST4, controller is controlled cooling oil path and is carried out cooling to the hydraulic oil in hydraulic oil container; During hydraulic fluid temperature T<ST3 in hydraulic oil container, controller is controlled cooling oil path and is stopped the hydraulic oil in hydraulic oil container to carry out cooling.
Further, cooling unit comprises cooler, oil hydraulic motor and by the cooling fan of fluid motor-driven, cooling oil path also comprises the power plant that are arranged on cooling unit upstream, power plant provide hydraulic oil to cooling unit, on oil circuit between power plant and cooling unit, be provided with first node, on hydraulic pipe line between oil hydraulic motor and cooler, be provided with Section Point, between first node and Section Point, be connected with cooling unit control mechanism.
Further, cooling unit control mechanism comprises overflow oil circuit and oil circuit control, the first end of overflow oil circuit and oil circuit control is connected to first node jointly, the second end of overflow oil circuit and oil circuit control is connected to Section Point jointly, is provided with the switch valve of controlling oil circuit control break-make on oil circuit control.
Further, between first node and Section Point, be also connected with repairing oil circuit.
Further, on hydraulic pipe line between cooling unit and return opening, be provided with return filter, between Section Point and return filter, be connected with and cooler the other oil circuit that connects, on other oil circuit, be provided with cartridge valve, guide's hydraulic control end of cartridge valve is connected on the oil circuit of outlet end of cartridge valve.
Further, power plant comprise oil hydraulic pump and the motor being connected with hydraulic pump drive, between oil hydraulic pump and oil outlet, are provided with butterfly valve, on the pipeline road of oil outlet, are also being provided with oil absorption filter.
According on the other hand of the present utility model, a kind of rotary drilling rig is provided, comprise hydraulic fluid temperature control system, this hydraulic fluid temperature control system is above-mentioned hydraulic fluid temperature control system.
According on the other hand of the present utility model, a kind of engineering machinery is provided, comprise hydraulic fluid temperature control system, this hydraulic fluid temperature control system is above-mentioned hydraulic fluid temperature control system.
Application the technical solution of the utility model, hydraulic fluid temperature control system comprises: hydraulic oil container, comprises oil outlet and return opening; Cooling oil path, first end is connected to oil outlet, and the second end is connected to return opening, is provided with the cooling unit of cooling liquid force feed on cooling oil path; Heating equipment, is arranged on hydraulic oil container, to the hydraulic oil heating in hydraulic oil container; Temperature measuring equipment, detects the hydraulic fluid temperature in hydraulic oil container; And controller, controller action is in cooling oil path, heating equipment, and the oil temperature information of feeding back by temperature measuring equipment, controls cooling oil path or heating equipment, for carrying out cooling to the hydraulic oil of cooling oil path or by heating equipment, hydraulic oil being heated.In the process of the hydraulic oil participation work in hydraulic oil container, if it is lower that temperature measuring equipment measures the temperature of hydraulic oil, can send information to controller, this Time Controller is controlled heating equipment hydraulic oil container is heated, make the hydraulic oil in hydraulic oil container meet usage requirement, avoid occurring cavitation in hydraulic working oil process.If it is higher that temperature measuring equipment measures the temperature of hydraulic oil, by controller, controlling cooling unit moves, to hydraulic oil, carry out cooling, hydraulic fluid temperature is reduced in normal range (NR), above-mentioned control system not only can realize the flexible automatic adjusting to hydraulic fluid temperature, can also prevent the cavitation producing when hydraulic fluid temperature is too low, hydraulic oil causes damage to relevant device in the course of the work.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, 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:
Fig. 1 shows according to the hydraulic schematic diagram of embodiment's of the present utility model hydraulic fluid temperature control system; And
Fig. 2 shows according to the control principle drawing of embodiment's of the present utility model hydraulic oil control system.
Reference character: 10, hydraulic oil container; 20, cooling oil path; 30, heating equipment; 40, temperature measuring equipment; 50, controller; 60, cooling unit control mechanism; 11, oil outlet; 12, return opening; 13, air filter; 14, fluid level controller; 15, liquid level liquid thermometer; 21, cooling unit; 211, cooling fan; 212, cooler; 213, oil hydraulic motor; 22, power plant; 221, oil hydraulic pump; 222, motor; 23, return filter; 24, other oil circuit; 241, cartridge valve; 25, butterfly valve; 26, oil absorption filter; 61, overflow oil circuit; 62, oil circuit control; 63, switch valve; 64, repairing oil circuit; 65, one-way valve.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the utility model in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As depicted in figs. 1 and 2, according to embodiment of the present utility model, hydraulic fluid temperature control system comprises hydraulic oil container 10, cooling oil path 20 and heating equipment 30, on hydraulic oil container 10, be provided with oil outlet 11 and return opening 12, the first end of cooling oil path 20 is connected on the oil outlet 11 of hydraulic oil container 10, the second end is connected on the return opening 12 of hydraulic oil container 10, makes cooling oil path 20 form an oil hydraulic circuit.Heating equipment 30 is arranged on hydraulic oil container 10, can the hydraulic oil in hydraulic oil container 10 be heated.
On hydraulic oil container 10, be also provided with temperature measuring equipment 40, for measuring the hydraulic fluid temperature in hydraulic oil container 10, and the real-time hydraulic fluid temperature recording transferred to a controller 50.Controller 50 is connected to respectively cooling oil path 20 and heating equipment 30, and the hydraulic fluid temperature in the hydraulic oil container 10 recording according to temperature measuring equipment 40 is controlled cooling oil path 20 or heating equipment 30 operations, thereby the hydraulic oil in hydraulic oil container 10 is lowered the temperature or heated, make the hydraulic fluid temperature in hydraulic oil container 10 meet usage requirement.
Flow direction along hydraulic oil on cooling oil path 20 is provided with power plant 22 and cooling unit 21, and power plant 22 comprise and are arranged on cooling oil path 20 and hydraulic oil is delivered to the oil hydraulic pump 221 of cooling unit 21 and drives and be connected and provide the motor 222 of driving force for oil hydraulic pump 221 with oil hydraulic pump 221.Cooling fan 211 on the output shaft that cooling unit 21 comprises the oil hydraulic motor 213 that is arranged on cooling oil path 20, be connected to oil hydraulic motor 213 and be arranged on cooling oil path 20 and with the cooler 212 of cooling fan 211 relative set.On the hydraulic pipe line between the outlet end of cooler 212 and the return opening 12 of hydraulic oil container 10, be also provided with return filter 23, this return filter 23 comprises filter, precompressed one-way valve and the pressure switch being arranged in parallel, for filtering flowing back into the hydraulic oil of hydraulic oil container 10, with impurity of preventing from participating in carrying in the hydraulic oil of working procedure etc., enter the turbidity test that reduce hydraulic oil in hydraulic oil container 10, affect the service behaviour of hydraulic oil.
In the process of the hydraulic oil participation work in hydraulic oil container 10, if it is lower that temperature measuring equipment 40 measures the temperature of hydraulic oil, can send information to controller 50, this Time Controller 50 is controlled 30 pairs of hydraulic oil containers 10 of heating equipment and is heated, make the hydraulic oil in hydraulic oil container 10 meet usage requirement, avoid occurring cavitation in hydraulic working oil process.If it is higher that temperature measuring equipment 40 measures the temperature of hydraulic oil, by controller 50, control cooling unit 21 operations, to hydraulic oil, carry out cooling, hydraulic fluid temperature is reduced in normal range (NR), above-mentioned control system not only can realize the flexible automatic adjusting to hydraulic fluid temperature, can also prevent the cavitation producing when hydraulic fluid temperature is too low, hydraulic oil causes damage to relevant device in the course of the work.
On cooling oil path 20, comprise the first node A on the hydraulic pipe line between oil hydraulic pump 221 and cooling unit 21, and at the oil hydraulic motor 213 of cooling unit 21 and the Section Point B between cooler 212,, this first node A and Section Point B are positioned at the relative both sides of oil hydraulic motor 213, between first node A and Section Point B, be provided with the cooling unit control mechanism 60 in parallel with described oil hydraulic motor 213, for controlling cooling unit 21, whether work.This cooling unit control mechanism 60 comprises overflow oil circuit 61 and the oil circuit control 62 being connected between first node A and Section Point B, and overflow oil circuit 61 and oil circuit control 62 also connect.The first end A1 of overflow oil circuit 61 and the first end A2 of oil circuit control 62 are all connected to first node A, and the first end B1 of overflow oil circuit 61 and the first end B2 of oil circuit control 62 are all connected to Section Point B.Overflow oil circuit 61 comprises a relief valve, and the oil inlet end of this relief valve is connected to first node A, and oil outlet end is connected to Section Point B.Oil circuit control 62 comprises a switch valve 63, and this switch valve 63 controls oil circuit control 62 and opens or cut out, and and then matches with overflow oil circuit 61 and control cooling unit 21 startups or stop.Preferably, the switch valve 63 of this oil circuit control 62 is 2/2-way solenoid valve, and when this 2/2-way solenoid valve must not when electricity, hydraulic oil is forbidden to Section Point B from first node A through oil circuit control 62, from Section Point B through oil circuit control 62, be communicated with to first node A, when this leading type 2/2-way solenoid valve obtains when electric, oil circuit control 62 is communicated with all the time.
The Section Point B place of the hydraulic fluid temperature control system of the present embodiment can also have an external interface T, for being connected with system oil return oil circuit, makes the hydraulic oil that participates in actuator's action through flowing back to from here hydraulic oil container 10.
Preferably, controller 50 is built-in with temperature threshold, and the hydraulic fluid temperature that temperature measuring equipment 40 is measured is during higher than this threshold value, and controller 50 is controlled hydraulic oil output units and started, and hydraulic oil is delivered to actuator, makes hydraulic oil drive actuator's work.The hydraulic fluid temperature of measuring when temperature measuring equipment 40 is during lower than threshold value, controller 50 control hydraulic oil output units quit work and control 30 pairs of hydraulic oil containers 10 of heating equipment simultaneously and heat, avoid the lower hydraulic oil of temperature to be delivered to and in actuator, to produce cavitation ，Er Dui actuator and cause damage.Hydraulic fluid temperature in hydraulic oil container 10 is heated to threshold temperature when above, and controller 50 is controlled hydraulic oil output units hydraulic oil is delivered to actuator, and drives actuator's normal operation.Above-mentioned hydraulic oil output unit refers to the hydraulic oil that meets service condition by outputs such as oil hydraulic pumps, makes hydraulic oil participate in the action of actuator, completes the device of certain concrete function (such as pumping or walking etc.).
Preferably, at the common entrance point of oil circuit control 62 and overflow oil circuit 61, to being also provided with a repairing oil circuit 64 between Section Point B, on this repairing oil circuit 64, being provided with and preventing that hydraulic oil from directly flowing to the one-way valve 65 of Section Point B from first node A.One-way valve 65 is used for repairing, and when oil hydraulic pump 221 fuel cut-off, oil hydraulic motor 213 is rotated further under effect of inertia, and now fluid adds to the entrance of oil hydraulic motor 213 through one-way valve 65 from oil return T, prevents that oil hydraulic motor 213 from inhaling empty.
Preferably, between Section Point B and return filter 23, be also connected with oil circuit 24 on one side, this side oil circuit 24 is arranged in parallel with cooler 212, on this side oil circuit 24, be provided with a cartridge valve 241, in the present embodiment, this cartridge valve 241 is two logical cartridge valves, and the filler opening of these two logical cartridge valves is connected to Section Point B, and oil outlet 11 is connected to return filter 23.Preferably, the hydraulic control end of these two logical cartridge valves is connected on the hydraulic pipe line of cooler 212 outlet end.Cartridge valve 241 can stop up at cooler 212, without cooling or occur other problems and cannot work time, make hydraulic oil directly flow to return filter 23 through cartridge valve 241, and finally flow back to fuel tank, therefore can increase the safety and reliability that cooling oil path 20 is used.
Preferably, on the cooling oil path 20 between power plant 22 and the oil outlet 11 of hydraulic oil container 10, be provided with butterfly valve 25, on the pipeline road of oil outlet 11, be also provided with oil absorption filter 26.The impurity of oil absorption filter 26 in can the interior hydraulic oil of filtering hydraulic oil container 10, guarantees the service behaviour of hydraulic oil, and 25 sizes that can regulate easily hydraulic fluid flow rate of butterfly valve, make it meet usage requirement.
Preferably, on hydraulic oil container 10, be provided with in the present embodiment two electric heating type heater EH1, EH2, electric heating type heater also can be for more than one or three, its quantity depends on fluid volume, the control end of a plurality of electric heating type heaters is all connected to controller 50, and by controller 50, is controlled the work of electric heating type heater.
For example: suppose ST1=20 ℃, ST2=40 ℃, ST3=45 ℃, ST4=65 ℃, the control procedure of this temperature control system is so: when 20 ℃ of oil liquid temperature T <, ST1 sender, to controller 50, is opened electric heating type heater the hydraulic oil in hydraulic oil container 10 is heated; When the hydraulic oil oil liquid temperature in hydraulic oil container 10 is heated to 40 ℃ of T >, ST2 sender, to controller 50, is closed electric heating type heater; In hydraulic working oil process, when temperature-detecting device detects 65 ℃ of oil liquid temperature T >, ST4 sender is to controller 50, controller 50 is controlled 2/2-way solenoid valve dead electricity, oil circuit control 62 disconnects, hydraulic oil cannot directly flow back to hydraulic oil container 10 through oil circuit control 62, therefore the pressure in oil hydraulic pump 221 outlet ports raises, pipeline between oil hydraulic pump 221 and oil hydraulic motor 213 forms high pressure oil, high pressure oil drives oil hydraulic motor 213 to rotate, drive cooling fan 211 to open cooler 212 heat radiations, start hydraulic oil to carry out cooling.In the process of oil hydraulic motor 213 work, when the too high cracking pressure over relief valve of hydraulic fluid pressure, can directly open relief valve, and flow back to hydraulic oil container 10 through relief valve, thereby can prevent the overpressure of hydraulic oil.When 45 ℃ of oil liquid temperature T <, ST3 sender, 2/2-way solenoid valve obtains electric, oil circuit control 62 is communicated with, the hydraulic oil in oil hydraulic motor 213 outlet ports directly flows back to hydraulic oil container 10 through oil circuit control 62, and oil hydraulic motor 213 two ends can not produce pressure difference, therefore cannot rotate, cooling fan 211 stalls, stop cooling.Above-mentioned ST1 and ST2 are for controlling two sender temperature spotss of electric heating type heater start and stop, two the sender temperature spotss whether ST3 and ST4 work for controlling cooling unit 21.
According to hydraulic fluid temperature control system of the present utility model, by electric contact thermometer node sender, instruction electric heating type heater and cooler 212 corresponding actions, form closed loop control system, hydraulic oil liquid temperature is controlled to (45 ℃-65 ℃) in best using scope, realize the automatic control of hydraulic oil liquid temperature, reduced cost of labor, reduced artificial error, realized the automation that oil temperature is controlled, intelligent, and increased fluid low-temperature heat function, saved the consumption of power, prevented the generation of cavitation, reached energy-conservation, anticorrosion, antipollution target.
According to embodiment of the present utility model, a kind of rotary drilling rig is provided, this rotary drilling rig comprises above-mentioned hydraulic fluid temperature control system.
According to embodiment of the present utility model, a kind of engineering machinery is provided, this project machinery comprises above-mentioned hydraulic fluid temperature control system.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect: hydraulic fluid temperature control system comprises: hydraulic oil container, comprises oil outlet and return opening; Cooling oil path, first end is connected to oil outlet, and the second end is connected to return opening, is provided with the cooling unit of cooling liquid force feed on cooling oil path; Heating equipment, is arranged on hydraulic oil container, to the hydraulic oil heating in hydraulic oil container; Temperature measuring equipment, detects the hydraulic fluid temperature in hydraulic oil container; And controller, be connected with cooling oil path, heating equipment and temperature measuring equipment respectively, and the hydraulic fluid temperature of measuring according to temperature measuring equipment control cooling oil path carries out cooling or controls heating equipment hydraulic oil is heated hydraulic oil.In the process of the hydraulic oil participation work in hydraulic oil container, if it is lower that temperature measuring equipment measures the temperature of hydraulic oil, can send information to controller, this Time Controller is controlled heating equipment hydraulic oil container is heated, make the hydraulic oil in hydraulic oil container meet usage requirement, avoid occurring cavitation in hydraulic working oil process.If it is higher that temperature measuring equipment measures the temperature of hydraulic oil, by controller, controlling cooling unit moves, to hydraulic oil, carry out cooling, hydraulic fluid temperature is reduced in normal range (NR), above-mentioned control system not only can realize the flexible automatic adjusting to hydraulic fluid temperature, can also prevent the cavitation producing when hydraulic fluid temperature is too low, hydraulic oil causes damage to relevant device in the course of the work.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (12)
1. a hydraulic fluid temperature control system, is characterized in that, comprising:
Hydraulic oil container (10), comprises oil outlet (11) and return opening (12);
Cooling oil path (20), first end is connected to described oil outlet (11), and the second end is connected to described return opening (12), is provided with the cooling unit (21) of cooling liquid force feed on described cooling oil path (20);
Heating equipment (30), is arranged on described hydraulic oil container (10) upper, can be to the hydraulic oil heating in described hydraulic oil container (10);
Temperature measuring equipment (40), for detection of the hydraulic fluid temperature in described hydraulic oil container (10); And
Controller (50), described controller action is in described cooling oil path (20), described heating equipment (30), by the oil temperature information of temperature measuring equipment (40) feedback, control described cooling oil path (20) or described heating equipment (30), for the hydraulic oil of cooling oil path (20) being carried out cooling or by heating equipment (30), hydraulic oil being heated.
2. hydraulic fluid temperature control system according to claim 1, is characterized in that, described heating equipment (30) is electric heating type heater.
3. hydraulic fluid temperature control system according to claim 1, is characterized in that, described temperature measuring equipment (40) is electric contact bimetallic thermometer.
4. hydraulic fluid temperature control system according to claim 1, it is characterized in that, described controller (50) is built-in with temperature threshold, the hydraulic fluid temperature of measuring when described temperature measuring equipment (40) is during higher than described threshold value, described controller (50) is controlled hydraulic oil output unit and is started, the hydraulic fluid temperature of measuring when described temperature measuring equipment (40) is during lower than described threshold value, and described controller (50) is controlled described hydraulic oil output unit and stopped.
5. hydraulic fluid temperature control system according to claim 1, is characterized in that, described temperature measuring equipment (40) has four temperature news point ST1, ST2, ST3 and ST4, ST1 < ST2 < ST3 < ST4 wherein,
During hydraulic fluid temperature T < ST1 in described hydraulic oil container (10), described controller (50) is controlled described heating equipment (30) hydraulic oil in described hydraulic oil container (10) is heated;
Hydraulic fluid temperature T in described hydraulic oil container (10) > during ST2, described controller (50) is controlled described heating equipment (30) and is stopped the hydraulic oil in described hydraulic oil container (10) to heat;
Hydraulic fluid temperature T in described hydraulic oil container (10) > during ST4, described controller (50) is controlled described cooling oil path (20) and is carried out cooling to the hydraulic oil in described hydraulic oil container (10);
During hydraulic fluid temperature T < ST3 in described hydraulic oil container (10), described controller (50) is controlled described cooling oil path (20) and is stopped the hydraulic oil in described hydraulic oil container (10) to carry out cooling.
6. according to the hydraulic fluid temperature control system described in any one in claim 1 to 5, it is characterized in that, described cooling unit (21) comprises cooler (212), oil hydraulic motor (213) and the cooling fan (211) being driven by described oil hydraulic motor (213), described cooling oil path (20) also comprises the power plant (22) that are arranged on described cooling unit (21) upstream, described power plant (22) provide hydraulic oil to described cooling unit (21), on oil circuit between described power plant (22) and described cooling unit (21), be provided with first node (A), on hydraulic pipe line between described oil hydraulic motor (213) and described cooler (212), be provided with Section Point (B), between described first node (A) and described Section Point (B), be connected with cooling unit control mechanism (60).
7. hydraulic fluid temperature control system according to claim 6, it is characterized in that, described cooling unit control mechanism (60) comprises overflow oil circuit (61) and oil circuit control (62), the first end of described overflow oil circuit (61) and described oil circuit control (62) is connected to described first node (A) jointly, the second end of described overflow oil circuit (61) and described oil circuit control (62) is connected to described Section Point (B) jointly, is provided with the switch valve (63) of controlling described oil circuit control (62) break-make on described oil circuit control (62).
8. hydraulic fluid temperature control system according to claim 7, is characterized in that, between described first node (A) and described Section Point (B), is also connected with repairing oil circuit (64).
9. hydraulic fluid temperature control system according to claim 6, it is characterized in that, on hydraulic pipe line between described cooling unit (21) and described return opening (12), be provided with return filter (23), between described Section Point (B) and described return filter (23), be connected with and described cooler (212) the other oil circuit (24) that connects, on described other oil circuit (24), be provided with cartridge valve (241), guide's hydraulic control end of described cartridge valve (241) is connected on the oil circuit of outlet end of described cartridge valve (241).
10. hydraulic fluid temperature control system according to claim 6, it is characterized in that, described power plant (22) comprise oil hydraulic pump (221) and drive with described oil hydraulic pump (221) motor (222) being connected, between described oil hydraulic pump (221) and described oil outlet (11), be provided with butterfly valve (25), on the pipeline road of described oil outlet (11), be also provided with oil absorption filter (26).
11. 1 kinds of rotary drilling rigs, comprise hydraulic fluid temperature control system, it is characterized in that, described hydraulic fluid temperature control system is the hydraulic fluid temperature control system described in any one in claim 1 to 10.
12. 1 kinds of engineering machinery, comprise hydraulic fluid temperature control system, it is characterized in that, described hydraulic fluid temperature control system is the hydraulic fluid temperature control system described in any one in claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491310.9U CN203394937U (en) | 2013-08-12 | 2013-08-12 | Hydraulic oil temperature control system and rotary drilling rig and engineering machine including hydraulic oil temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491310.9U CN203394937U (en) | 2013-08-12 | 2013-08-12 | Hydraulic oil temperature control system and rotary drilling rig and engineering machine including hydraulic oil temperature control system |
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| Publication Number | Publication Date |
|---|---|
| CN203394937U true CN203394937U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320491310.9U Expired - Lifetime CN203394937U (en) | 2013-08-12 | 2013-08-12 | Hydraulic oil temperature control system and rotary drilling rig and engineering machine including hydraulic oil temperature control system |
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| CN (1) | CN203394937U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398050A (en) * | 2013-08-12 | 2013-11-20 | 上海中联重科桩工机械有限公司 | Hydraulic oil temperature control system and rotary drilling rig and engineering machine respectively comprising same |
| CN104405732A (en) * | 2014-11-21 | 2015-03-11 | 三一重型装备有限公司 | Bracket carrier and self-heating system for hydraulic oil tank thereof |
| CN105201963A (en) * | 2015-10-26 | 2015-12-30 | 北京市三一重机有限公司 | Hydraulic oil temperature control system and rotary drilling rig |
| CN108564869A (en) * | 2018-06-06 | 2018-09-21 | 北京理工大学 | A kind of temperature control experiments device, temperature-rising method and cooling means for teaching |
| CN112503061A (en) * | 2020-11-27 | 2021-03-16 | 浙江盈亿机械股份有限公司 | Oil temperature constant temperature intelligent control system |
| CN112610567A (en) * | 2020-12-31 | 2021-04-06 | 恒天九五重工有限公司 | Intelligent control system with main oil way pressure regulating and temperature controlling function for rotary drilling rig |
| CN112855675A (en) * | 2020-12-31 | 2021-05-28 | 恒天九五重工有限公司 | Intelligent control system with integrated radiator temperature control for rotary drilling rig |
-
2013
- 2013-08-12 CN CN201320491310.9U patent/CN203394937U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398050A (en) * | 2013-08-12 | 2013-11-20 | 上海中联重科桩工机械有限公司 | Hydraulic oil temperature control system and rotary drilling rig and engineering machine respectively comprising same |
| CN104405732A (en) * | 2014-11-21 | 2015-03-11 | 三一重型装备有限公司 | Bracket carrier and self-heating system for hydraulic oil tank thereof |
| CN105201963A (en) * | 2015-10-26 | 2015-12-30 | 北京市三一重机有限公司 | Hydraulic oil temperature control system and rotary drilling rig |
| CN108564869A (en) * | 2018-06-06 | 2018-09-21 | 北京理工大学 | A kind of temperature control experiments device, temperature-rising method and cooling means for teaching |
| CN112503061A (en) * | 2020-11-27 | 2021-03-16 | 浙江盈亿机械股份有限公司 | Oil temperature constant temperature intelligent control system |
| CN112610567A (en) * | 2020-12-31 | 2021-04-06 | 恒天九五重工有限公司 | Intelligent control system with main oil way pressure regulating and temperature controlling function for rotary drilling rig |
| CN112855675A (en) * | 2020-12-31 | 2021-05-28 | 恒天九五重工有限公司 | Intelligent control system with integrated radiator temperature control for rotary drilling rig |
| CN112610567B (en) * | 2020-12-31 | 2022-12-09 | 恒天九五重工有限公司 | Intelligent control system with main oil way pressure regulating and temperature controlling function for rotary drilling rig |
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Granted publication date: 20140115 |