CN105937524A - Temperature-controlling hydraulic heat exchanging system with piston-type pressure-relief-valve hydraulic bypass - Google Patents
Temperature-controlling hydraulic heat exchanging system with piston-type pressure-relief-valve hydraulic bypass Download PDFInfo
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- CN105937524A CN105937524A CN201610512555.3A CN201610512555A CN105937524A CN 105937524 A CN105937524 A CN 105937524A CN 201610512555 A CN201610512555 A CN 201610512555A CN 105937524 A CN105937524 A CN 105937524A
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- Prior art keywords
- piston
- hydraulic pressure
- relief valve
- fluid
- bypass
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
Abstract
The invention relates to a temperature-controlling hydraulic heat exchanging system with a piston-type pressure-relief-valve hydraulic bypass. The temperature-controlling hydraulic heat exchanging system comprises a device heating source, a heat dissipation device, a tubular heater and a liquid storing box, wherein oil ways of the device heating source, the heat dissipation device, the tubular heater and the liquid storing box are circularly connected in series; a heat dissipation draught fan is arranged on one side of the heat dissipation device, and a piston-type pressure relief valve is connected to oil ways at the two ends of the heat dissipation device in parallel. The temperature-controlling hydraulic heat exchanging system has the advantages of being high in reliability degree, not prone to damage and capable of guaranteeing stable operation of the system.
Description
Technical field
The present invention relates to the temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure bypass.
Background technology
It is known that oil temperature in hydraulic system optimum temperature is between 35 ~ 55 degrees Celsius, once temperature increases to over 60 degrees Celsius, the system of hydraulic system will significantly decline, and equipment fault constantly occurs, cause the stability degradation of equipment, it is impossible to ensure that machinery equipment is properly functioning.Season the most in full summer, high oil temperature, even can cause machinery equipment to be usually in stopped status.
Therefore the stability of hydraulic pressure heat-exchange system directly influences the duty of machinery equipment, when fluid pressure is excessive in traditional hydraulic pressure heat-exchange system, directly results in heat exchanger that pressure is excessive causes damage to radiator.General radiator is the capacity having a fixed proportion at the collecting tank of radiator, and fluid has the biggest resistance by radiator heat-dissipation channel interior.Its liquid storage amount is less, not buffering, running into the temperature difference is big, low temperature environment, flow uneven, have certain viscosity liquid, under the fluid situations that has impulsive force, the pressure of radiator heat-dissipation channel interior increases the most therewith, especially in the case of having impulsive force and the bigger fluid of ratio of viscosities, owing to fluid is at the resistance of channel interior, make fluid can not run through inside radiator passage, being allowed to pressure increase, exceed the highest operating pressure of radiator, radiator is easy to damage, scrap.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that a kind of reliability is high, is hardly damaged, it is ensured that the temperature control hydraulic pressure heat-exchange system of the band piston type relief valve hydraulic pressure bypass of system stable operation.
The object of the present invention is achieved like this:
nullA kind of temperature control hydraulic pressure heat-exchange system of band piston type relief valve hydraulic pressure bypass，It includes the equipment heating source that oil circulation is connected、Radiator、Tube heater and reserving liquid tank，The side of described radiator is provided with cooling fan，Described tube heater includes tube heater cylinder，The first liquid mouth and second liquid mouth arranged up and down it is provided with on tube heater cylinder，The main body of electric heating tube is positioned at tube heater inner barrel center，It is positioned at the region outside electric heating tube in described tube heater cylinder to be provided with from first liquid mouth to the flow channel for liquids of second liquid mouth，Piston type relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described piston type relief valve includes housing、Piston and two springs，Described housing lateral arrangement，The shell fluid passage of a lateral direction penetrating is formed in described housing，The middle part of described housing is provided with Fluid passageways chamber，Fluid passageways intracavity is provided with one piece of separation ring flat-plate being fixedly installed，Separate ring flat-plate and Fluid passageways chamber is separated to form two Fluid passageways half chambeies, left and right，Described piston is horizontally set at the middle part of shell fluid passage，Two spring lateral arrangement，And two springs lay respectively in the shell fluid passage outside piston，Described piston is the hollow structure of left and right both ends open，Described piston includes piston shell，The middle part of described piston shell is provided with one piece of dividing plate being vertically arranged，The inside of piston is divided into two the piston fluid passages being in communication with the outside respectively in left and right by dividing plate，It is positioned at and on the piston shell of the dividing plate left and right sides, is provided with the fluid bore being arranged symmetrically with.
The two ends, left and right of described housing are provided with hickey.
Two, the left and right of described shell fluid passage is provided with draw-in groove at outer end, is provided with jump ring in described draw-in groove, and two springs lay respectively in the shell fluid passage between piston and jump ring.
The internal diameter separating ring flat-plate is consistent with the internal diameter of shell fluid passage.
The external diameter of spring mates with the internal diameter of shell fluid passage.
Described fluid bore is circular layout on piston shell.
The fluid bore of the every side of dividing plate is provided with multi-turn.
The fluid bore of high order end is not more than the lateral separation in Fluid passageways half chamber to the lateral separation between the fluid bore of low order end.
Compared with prior art, the invention has the beneficial effects as follows:
It is high that the present invention has reliability, is hardly damaged, it is ensured that the advantage of system stable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of piston type relief valve.
Fig. 3 is the side view of piston type relief valve.
Fig. 4 is the section plan of housing.
Fig. 5 is the three-dimensional cutaway view of housing.
Fig. 6 is the section plan of piston.
Fig. 7 is the three-dimensional cutaway view of piston.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is the schematic diagram of embodiment 2.
Figure 10 is the profile axonometric chart of piston type relief valve.
Figure 11 is the structural representation of tube heater.
Figure 12 is the explosive view of Figure 11.
Figure 13 is the tube heater sectional view that flow channel for liquids selects spiral separating liquid sheet.
Figure 14 is the liquid flow graph that flow channel for liquids selects the tube heater of spiral separating liquid sheet.
Figure 15 is the tube heater sectional view that flow channel for liquids selects parallel separating liquid sheet.
Figure 16 is the liquid flow graph that flow channel for liquids selects the tube heater of parallel separating liquid sheet.
Wherein:
Equipment heating source 1
Reserving liquid tank 2
Tube heater 4, tube heater cylinder 401, first liquid mouth 402, second liquid mouth 403, lower flange 404, upper flange 405, electric heating tube 406, power protection box 407, installation screw socket 408, crash roll ring for fixing 409, tube heater cylinder fixed screw 410, crash roll 411, spiral separating liquid sheet 412, parallel separating liquid sheet 413
Radiator 5
Piston type relief valve 6, housing 601, shell fluid passage 601.1, Fluid passageways chamber 601.2, separation ring flat-plate 601.3, hickey 601.4, draw-in groove 601.5, piston 602, piston shell 602.1, dividing plate 602.2, fluid bore 602.3, step 602.4, piston fluid passage 602.5, spring 603, jump ring 604
Cooling fan 9.
Detailed description of the invention
See Fig. 1 ~ Figure 16, the temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure bypass that the present invention relates to, it includes equipment heating source 1, radiator 5, tube heater 4 and the reserving liquid tank 2 that oil circulation is connected, and the side of described radiator 5 is provided with cooling fan 9.It is arranged in parallel piston type relief valve 6 on the oil circuit at radiator 5 two ends, on oil circuit or on reserving liquid tank 2, temperature sensor has been set.
Described piston type relief valve 6 includes housing 601, piston 602 and two springs 603, described housing 601 lateral arrangement, the shell fluid passage 601.1 of a lateral direction penetrating is formed in described housing 601, the middle part of described housing 601 is provided with Fluid passageways chamber 601.2, the internal diameter in Fluid passageways chamber 601.2 is more than the internal diameter of shell fluid passage 601.1, one piece of separation ring flat-plate 601.3 being fixedly installed it is provided with in Fluid passageways chamber 601.2, the internal diameter separating ring flat-plate 601.3 is consistent with the internal diameter of shell fluid passage 601.1, separate ring flat-plate 601.3 and Fluid passageways chamber 601.2 is separated to form two Fluid passageways half chambeies, left and right.The two ends, left and right of described housing 601 are provided with hickey 601.4, described piston 602 is horizontally set at the middle part of shell fluid passage 601.1, two, the left and right of described shell fluid passage 601.1 is provided with draw-in groove 601.5 at outer end, it is provided with jump ring 604 in described draw-in groove 601.5, two spring 603 lateral arrangement, and two springs 603 lay respectively in the shell fluid passage 601.1 between piston 602 and jump ring 604, the external diameter of spring 603 mates with the internal diameter of shell fluid passage 601.1.nullDescribed piston 602 is the hollow structure of left and right both ends open，Described piston 602 includes piston shell 602.1，The middle part of described piston shell 602.1 is provided with one piece of dividing plate being vertically arranged 602.2，The inside of piston 602 is divided into two the piston fluid passages 602.5 being in communication with the outside respectively in left and right by dividing plate 602.2，It is positioned at and on the piston shell 602.1 of dividing plate 602.2 left and right sides, is provided with the fluid bore 602.3 being arranged symmetrically with，Described fluid bore 602.3 is circular layout on piston shell 602.1，The fluid bore 602.3 of the every side of dividing plate 602.2 can be provided with multi-turn，Lateral separation between one circle fluid bore 602.3 of one circle fluid bore 602.3 to low order end of high order end is not more than the lateral separation in Fluid passageways half chamber.The two ends, left and right of described piston 602 are provided with the step 602.4 coordinated with spring 603.
Described tube heater 4 includes tube heater cylinder 401, the first liquid mouth 402 and second liquid mouth 403 arranged up and down it is provided with on tube heater cylinder 401, described first liquid mouth 402 and second liquid mouth 403 diagonal angle on tube heater cylinder 401 is arranged, described first liquid mouth 402 and second liquid mouth 403 one of them be inlet one be liquid outlet, and can be with unrestricted choice.The top of tube heater cylinder 401 is provided with lower flange 404; described lower flange 404 is provided above upper flange 405; lower flange 404 and upper flange 405 are screwed connection; many electric heating tubes 406 it are installed with on upper flange 405; the main body of electric heating tube 406 is positioned at tube heater cylinder 401 inside center through lower flange 404; being covered with power protection box 407 above described upper flange 405, the power interface of electric heating tube 406 is positioned at the power protection box 407 above upper flange 405.It is provided with installation screw socket 408 on the sidewall of described tube heater cylinder 401, screw socket 408 is installed and is used for the adnexaes such as heating protecting device, heating control apparatus, safe pressure protection device are installed.Down-set bottom described tube heater cylinder 401 have tube heater cylinder fixed screw 410, and the rotation of tube heater cylinder fixed screw 410 is equipped with the crash roll ring for fixing 409 and crash roll 411 arranged up and down.Crash roll ring for fixing 409 is close to the bottom of tube heater cylinder 401, and crash roll 411 is embedded in crash roll ring for fixing 409.Being positioned at the region outside electric heating tube 406 in described tube heater cylinder 401 and be provided with the flow channel for liquids from first liquid mouth 402 to second liquid mouth 403, flow channel for liquids can be selected spiral separating liquid sheet 412 or select parallel separating liquid sheet 413.Wherein spiral separating liquid sheet 412 is flight structure, and parallel separating liquid sheet 413 is multiple horizontal plate structures that dislocation is arranged.
A kind of method of work of the temperature control hydraulic pressure heat-exchange system of band piston type relief valve hydraulic pressure bypass:
Equipment heating source initial operating stage, temperature of liquid is less than 35 degrees Celsius, cooling fan does not starts, tube heater starts, oil temperature is warming up between 35 ~ 55 degrees Celsius, then tube heater cuts out, and after a period of time is run in equipment heating source, temperature sensor detects that temperature is higher than 60 degrees Celsius and then starts cooling fan.
When hydraulic pressure main road is unobstructed, the pressure at the two ends, left and right of piston type relief valve is equal, and piston is in housing center position, and the partition position of piston is corresponding with the position separating ring flat-plate of housing, and piston does not do action；
Embodiment 1, when liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of piston type relief valve is more than right-hand member pressure, owing to the pressure in the piston fluid passage on the left of dividing plate is more than the pressure in the piston fluid passage on the right side of dividing plate, fluid forces dividing plate moves right, so that piston also moves right, when the fluid bore on the left of dividing plate is positioned at Fluid passageways half intracavity on right side, the fluid that pressure is bigger flows out to Fluid passageways half intracavity on right side in the piston fluid passage in left side by fluid bore, it flow to the most again in the piston fluid passage on right side, thus reach the purpose of pressure release, now the spring in left side is in extended state, the spring on right side is in compressive state, until the pressure on the left of dividing plate and right side is equal, piston is put in order in situ, hydraulic pressure main road returns unobstructed.
Embodiment 2, when liquid flows from left to right and hydraulic pressure main road is obstructed, the right-hand member pressure of piston type relief valve is more than left end pressure, owing to the pressure in the piston fluid passage on the right side of dividing plate is more than the pressure in the piston fluid passage on the left of dividing plate, fluid forces dividing plate is moved to the left, so that piston is also moved to the left, when the fluid bore on the right side of dividing plate is positioned at Fluid passageways half intracavity in left side, the fluid that pressure is bigger flows out to Fluid passageways half intracavity in left side in the piston fluid passage on right side by fluid bore, it flow to the most again in the piston fluid passage in left side, thus reach the purpose of pressure release, now the spring on right side is in extended state, the spring in left side is in compressive state, until the pressure on the left of dividing plate and right side is equal, piston is put in order in situ, hydraulic pressure main road returns unobstructed.
Claims (9)
- null1. the temperature control hydraulic pressure heat-exchange system of a band piston type relief valve hydraulic pressure bypass，It is characterized in that it includes the equipment heating source that oil circulation is connected、Radiator、Tube heater and reserving liquid tank，The side of described radiator is provided with cooling fan，Described tube heater includes tube heater cylinder (401)，The first liquid mouth (402) and second liquid mouth (403) arranged up and down it is provided with on tube heater cylinder (401)，The main body of electric heating tube (406) is positioned at tube heater cylinder (401) inside center，The region being positioned at electric heating tube (406) outside in described tube heater cylinder (401) is provided with the flow channel for liquids from first liquid mouth (402) to second liquid mouth (403)，Piston type relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described piston type relief valve includes housing (601)、Piston (602) and two springs (603)，Described housing (601) lateral arrangement，The shell fluid passage (601.1) of a lateral direction penetrating is formed in described housing (601)，The middle part of described housing (601) is provided with Fluid passageways chamber (601.2)，One piece of separation ring flat-plate (601.3) being fixedly installed it is provided with in Fluid passageways chamber (601.2)，Separate ring flat-plate (601.3) and Fluid passageways chamber (601.2) are separated to form two Fluid passageways half chambeies, left and right，Described piston (602) is horizontally set at the middle part of shell fluid passage (601.1)，Two spring (603) lateral arrangement，And two springs (603) lay respectively in the shell fluid passage (601.1) outside piston (602)，Described piston (602) is the hollow structure of left and right both ends open，Described piston (602) includes piston shell (602.1)，The middle part of described piston shell (602.1) is provided with one piece of dividing plate being vertically arranged (602.2)，The inside of piston (602) is divided into two the piston fluid passages (602.5) being in communication with the outside respectively in left and right by dividing plate (602.2)，It is positioned on the piston shell (602.1) of dividing plate (602.2) left and right sides and is provided with the fluid bore (602.3) being arranged symmetrically with.
- The temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure the most according to claim 1 bypass, it is characterised in that the two ends, left and right of described housing (601) are provided with hickey (601.4).
- The temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure the most according to claim 1 bypass, it is characterized in that being provided with draw-in groove (601.5) at the outer end, two, left and right of described shell fluid passage (601.1), being provided with jump ring (604) in described draw-in groove (601.5), two springs (603) lay respectively in the shell fluid passage (601.1) between piston (602) and jump ring (604).
- The temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure the most according to claim 1 bypass, it is characterised in that the internal diameter separating ring flat-plate (601.3) is consistent with the internal diameter of shell fluid passage (601.1).
- The temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure the most according to claim 1 bypass, it is characterised in that the external diameter of spring (603) mates with the internal diameter of shell fluid passage (601.1).
- The temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure the most according to claim 1 bypass, it is characterised in that described fluid bore (602.3) is circular layout on piston shell (602.1).
- The temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure the most according to claim 1 bypass, it is characterised in that the fluid bore (602.3) of the every side of dividing plate (602.2) is provided with multi-turn.
- The temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure the most according to claim 1 bypass, it is characterised in that the lateral separation between the fluid bore (602.3) of the fluid bore (602.3) of high order end to low order end is not more than the lateral separation in Fluid passageways half chamber.
- The temperature control hydraulic pressure heat-exchange system of a kind of band piston type relief valve hydraulic pressure the most according to claim 1 bypass, it is characterised in that the two ends, left and right of described piston (602) are provided with the step (602.4) coordinated with spring (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512555.3A CN105937524B (en) | 2016-06-30 | 2016-06-30 | Temperature control hydraulic pressure heat-exchange system with the bypass of piston type relief valve hydraulic pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512555.3A CN105937524B (en) | 2016-06-30 | 2016-06-30 | Temperature control hydraulic pressure heat-exchange system with the bypass of piston type relief valve hydraulic pressure |
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| Publication Number | Publication Date |
|---|---|
| CN105937524A true CN105937524A (en) | 2016-09-14 |
| CN105937524B CN105937524B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610512555.3A Active CN105937524B (en) | 2016-06-30 | 2016-06-30 | Temperature control hydraulic pressure heat-exchange system with the bypass of piston type relief valve hydraulic pressure |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030146147A1 (en) * | 2000-03-01 | 2003-08-07 | Patrik Pohl | Cooling device |
| CN201344736Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Novel energy saving liquid cooling system |
| CN201866924U (en) * | 2010-11-22 | 2011-06-15 | 重庆欣雨压力容器制造有限责任公司 | Electric heater |
| JP4740245B2 (en) * | 2005-08-01 | 2011-08-03 | 神威産業株式会社 | Hydraulic oil cooler |
| CN102537449A (en) * | 2011-12-07 | 2012-07-04 | 三一重型装备有限公司 | Bidirectional self-adaptive damping valve |
| CN203272916U (en) * | 2013-05-23 | 2013-11-06 | 张进龙 | Bidirectional drainage stopping valve |
| CN103603747A (en) * | 2013-08-10 | 2014-02-26 | 蒙国宁 | Intake pressure balancing adjuster for supercharged and intercooled gas engine |
-
2016
- 2016-06-30 CN CN201610512555.3A patent/CN105937524B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030146147A1 (en) * | 2000-03-01 | 2003-08-07 | Patrik Pohl | Cooling device |
| JP4740245B2 (en) * | 2005-08-01 | 2011-08-03 | 神威産業株式会社 | Hydraulic oil cooler |
| CN201344736Y (en) * | 2008-12-05 | 2009-11-11 | 黄晓军 | Novel energy saving liquid cooling system |
| CN201866924U (en) * | 2010-11-22 | 2011-06-15 | 重庆欣雨压力容器制造有限责任公司 | Electric heater |
| CN102537449A (en) * | 2011-12-07 | 2012-07-04 | 三一重型装备有限公司 | Bidirectional self-adaptive damping valve |
| CN203272916U (en) * | 2013-05-23 | 2013-11-06 | 张进龙 | Bidirectional drainage stopping valve |
| CN103603747A (en) * | 2013-08-10 | 2014-02-26 | 蒙国宁 | Intake pressure balancing adjuster for supercharged and intercooled gas engine |
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| CN105937524B (en) | 2017-12-15 |
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