CN105937526B - The industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve - Google Patents
The industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve Download PDFInfo
- Publication number
- CN105937526B CN105937526B CN201610512654.1A CN201610512654A CN105937526B CN 105937526 B CN105937526 B CN 105937526B CN 201610512654 A CN201610512654 A CN 201610512654A CN 105937526 B CN105937526 B CN 105937526B
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- piston
- hydraulic oil
- fluid
- relief valve
- shell
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 19
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 78
- 238000001816 cooling Methods 0.000 claims abstract description 41
- 239000003921 oil Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 239000002826 coolant Substances 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 97
- 238000000926 separation method Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 description 29
- 238000010438 heat treatment Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
Abstract
A kind of industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve of the present invention, it is characterized in that it includes a hydraulic oil transfer pipeline, from hydraulic oil oil inlet to being disposed with hydraulic oil transfer pipeline delivery pump between hydraulic oil oil-out on the hydraulic oil transfer pipeline, radiator and heat-exchanger rig, the side of radiator is provided with cooling fan, gas-liquid separator is disposed with the coolant outlet of the heat-exchanger rig to the cooling line cooled down between import, compressor, condenser, reservoir, device for drying and filtering, cooling line magnetic valve and throttling arrangement, compressor is to the cooling line and throttling arrangement between condenser to being provided with a cooling line by-passing valve between the cooling line between heat-exchanger rig；Piston type relief valve has been arranged in parallel on the oil circuit at radiator two ends.The present invention has reliability high, is hardly damaged, it is ensured that the advantage of system stable operation.
Description
Technical field
The present invention relates to a kind of industrial refrigeration machine of the hydraulic pressure bypass with piston type relief valve.
Background technology
It is well known that oil temperature in hydraulic system optimum temperature is between 35 ~ 55 degrees Celsius, taken the photograph once temperature increases to over 60
Family name's degree, the system of hydraulic system will significantly decline, and its equipment fault continuously emerges, under causing the stability of equipment serious
Drop, it is impossible to ensure that machinery equipment is normally run.Especially season, high oil temperature, or even machinery equipment can be caused usually to locate in full summer
In stopped status.
Therefore the stability of industrial refrigeration machine is directly influenced in the working condition of machinery equipment, traditional industrial refrigeration machine
When fluid pressure is excessive, directly result in pressure in heat exchanger it is excessive to radiator cause damage.General radiator is in radiating
The collecting tank of device has the capacity of a fixed proportion, and fluid has certain big resistance by radiator heat-dissipation channel interior.It
Amount of liquid storage it is smaller, do not buffer, the temperature difference is big, low temperature environment, flow are uneven, have the liquid of certain viscosity, have punching running into
Hit under the fluid situations of power, the pressure of radiator heat-dissipation channel interior also increases therewith, especially have impulsive force and ratio of viscosities compared with
In the case of big fluid, because fluid is in the resistance of channel interior, prevents fluid from running through inside radiator passage, be allowed to
Pressure increases, and more than the highest operating pressure of radiator, radiator is easy to damage, scrapped.
The content of the invention
It is above-mentioned not enough high there is provided a kind of reliability it is an object of the invention to overcome, it is hardly damaged, it is ensured that system is stable to transport
The industrial refrigeration machine of the capable bypass of the hydraulic pressure with piston type relief valve.
The object of the present invention is achieved like this：
A kind of industrial refrigeration machine of the hydraulic pressure bypass with piston type relief valve, it is characterised in that it is defeated that it includes a hydraulic oil
Pipeline is sent, is conveyed on the hydraulic oil transfer pipeline from hydraulic oil oil inlet to hydraulic oil is disposed between hydraulic oil oil-out
Pipeline transport pump, radiator and heat-exchanger rig, the side of radiator are provided with cooling fan, the coolant outlet of the heat-exchanger rig
Gas-liquid separator, compressor, condenser, reservoir, dry filter are disposed with to the cooling line between cooling import
Device, cooling line magnetic valve and throttling arrangement, compressor to the cooling line and throttling arrangement between condenser to the dress that exchanges heat
A cooling line by-passing valve is provided between cooling line between putting；
Piston type relief valve is arranged in parallel on the oil circuit at radiator two ends, the piston type relief valve includes housing, work
The shell fluid passage of a lateral direction penetrating is formed in plug and two springs, the housing lateral arrangement, the housing, it is described
Fluid passageways chamber is provided with the middle part of housing, Fluid passageways intracavitary is provided with the one piece of separation being fixedly installed ring flat-plate, separates ring flat-plate
Fluid passageways chamber is separated to form two chambers of Fluid passageways half in left and right, the piston is horizontally set in shell fluid passage
Portion, two spring lateral arrangements, and two springs are located in the shell fluid passage on the outside of piston respectively, and the piston is left and right
The hollow structure of both ends open, the piston includes piston shell, and being provided with one piece in the middle part of the piston shell is vertically arranged
Dividing plate, the inside of piston is divided into the piston fluid passage that is in communication with the outside respectively of left and right two by dividing plate, left positioned at dividing plate
The fluid bore being arranged symmetrically is provided with the piston shell of right both sides.
The left and right ends of the housing are provided with hickey.
It is provided with the outer end of left and right two of the shell fluid passage in neck, the neck and is provided with jump ring, two
Spring is located in the shell fluid passage between piston and jump ring respectively.
The internal diameter for separating ring flat-plate is consistent with the internal diameter of shell fluid passage.
The external diameter of spring is matched with the internal diameter of shell fluid passage.
The fluid bore is circular layout on piston shell.
Fluid bore of the dividing plate per side is provided with multi-turn.
The fluid bore of high order end is not more than the transverse direction of the chamber of Fluid passageways half to the lateral separation between the fluid bore of low order end
Distance.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention has reliability high, is hardly damaged, it is ensured that the advantage of system stable operation.
Brief description of the drawings
Fig. 1 is structural representation of the 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 stereogram of piston type relief valve.
Wherein：
Hydraulic oil transfer pipeline 100, hydraulic oil transfer pipeline delivery pump 101, heat-exchanger rig 102, hydraulic oil transfer pipeline
Temperature sensor 103
Cooling line 200, gas-liquid separator 201, compressor 202, condenser 203, reservoir 204, device for drying and filtering
205th, cooling line magnetic valve 206, throttling arrangement 207, cooling line by-passing valve 208
Hydraulic oil bypass line 300, hydraulic oil by-passing valve 301
Radiator 5
Piston type relief valve 6, housing 601, shell fluid passage 601.1, Fluid passageways chamber 601.2, separation ring flat-plate
601.3rd, hickey 601.4, neck 601.5, piston 602, piston shell 602.1, dividing plate 602.2, fluid bore 602.3, platform
Rank 602.4, piston fluid passage 602.5, spring 603, jump ring 604
Equipment heating source 900, equipment heating device 901, fuel reserve tank 902, fuel reserve tank in-line 903, hydraulic oil oil extraction
Pipeline 904, fuel reserve tank outlet line 905, fuel reserve tank oil-way circulation pump 906, hydraulic oil return line 907, fuel reserve tank temperature are passed
Sensor 908.
Embodiment
Referring to Fig. 1 ~ Figure 10, a kind of industrial refrigeration machine of the hydraulic pressure bypass with piston type relief valve of the present invention, it
Including a hydraulic oil transfer pipeline 100, on the hydraulic oil transfer pipeline 100 from hydraulic oil oil inlet to hydraulic oil oil-out it
Between be disposed with hydraulic oil transfer pipeline delivery pump 101, radiator 5 and heat-exchanger rig 102, the side of radiator 5 is provided with
Gas-liquid is disposed with cooling fan, coolant outlet to the cooling line 200 cooled down between import of the heat-exchanger rig 102
Separator 201, compressor 202, condenser 203, reservoir 204, device for drying and filtering 205, cooling line magnetic valve 206 and section
Device 207 is flowed, wherein condenser 203 can be one, and condenser 203 can also be provided with multiple, compression in parallel or in series
Machine 202 is to the cooling line 200 and throttling arrangement 207 between condenser 203 to the cooling line 200 between heat-exchanger rig 102
Between be provided with a cooling line by-passing valve 208.Piston type relief valve 6 is arranged in parallel on the oil circuit at the two ends of radiator 5, oil
Temperature sensor is set on road or on liquid reserve tank 2.
Hydraulic oil transfer pipeline temperature sensor 103, the heat-exchanger rig are provided with the hydraulic oil transfer pipeline 100
A hydraulic oil bypass line 300, the hydraulic oil bypass pipe have been arranged in parallel on the hydraulic oil transfer pipeline 100 at 102 two ends
Hydraulic oil by-passing valve 301 is provided with road 300.Hydraulic oil transfer pipeline temperature sensor 103 detect temperature it is relatively low when, hydraulic pressure
Oil bypass valve 301 is opened, and hydraulic oil directly flows from hydraulic oil bypass line 300, hydraulic oil transfer pipeline temperature sensor 103
Detect temperature it is higher when, hydraulic oil by-passing valve 301 is closed, and hydraulic oil does not flow from hydraulic oil bypass line 300.
Equipment heating source 900 includes being provided with one in equipment heating device 901 and fuel reserve tank 902, the liquid reserve tank 902
The dividing plate that block is vertically arranged, dividing plate will be respectively two fluid chambers in liquid reserve tank 902, and first fluid chamber is provided with oil storage
The oil inlet of case 902 and the oil discharge outlet of fuel reserve tank 902, second fluid chamber be provided with fuel reserve tank 902 oil-out and
Filter, equipment hair are provided with the oil return opening of fuel reserve tank 902, the oil discharge outlet of fuel reserve tank 902 and the oil-out of fuel reserve tank 902
Fuel reserve tank in-line 903, the row of fuel reserve tank 902 are connected between the oil-out of thermal 901 and the oil inlet of fuel reserve tank 902
Hydraulic fluid port draws hydraulic oil drain line 904, is connected between the oil inlet of equipment heating device 901 and the oil-out of fuel reserve tank 902
Have and be provided with fuel reserve tank oil circuit in fuel reserve tank outlet line 905, fuel reserve tank in-line 903 or fuel reserve tank outlet line 905
Circulating pump 906, the oil return opening of fuel reserve tank 902 is drawn in hydraulic oil return line 907, first fluid chamber of fuel reserve tank 902
It is provided with a fuel reserve tank temperature sensor 908.
The hydraulic oil oil inlet and hydraulic oil oil-out of the hydraulic oil transfer pipeline 100 pass through hydraulic oil oil inlet respectively
Flexible pipe and the hydraulic oil drain line 904 and hydraulic oil return line in hydraulic oil oil-out flexible pipe connection equipment heating source 900
907。
A kind of method of work of the industrial refrigeration machine of the hydraulic pressure bypass with piston type relief valve：
Step 1: connection equipment heating source 900 and industrial refrigeration machine；
The hydraulic oil oil inlet and hydraulic oil oil-out of the hydraulic oil transfer pipeline 100 of industrial refrigeration machine pass through hydraulic pressure respectively
The hydraulic oil drain line 904 and hydraulic oil in oily oil inlet flexible pipe and hydraulic oil oil-out flexible pipe connection equipment heating source 900 are returned
Oil pipe line 907；
Step 2: after equipment heating source 900 brings into operation, the hydraulic oil of 902 second fluid chambers of fuel reserve tank is by storage
Hydraulic oil in the supply arrangement electro-heat equipment 901 of fuel tank outlet line 905, equipment heating device 901 passes through fuel reserve tank oil inlet pipe
Road 903 drains into first fluid chamber of fuel reserve tank 902, and the hydraulic oil of first fluid chamber sequentially passes through hydraulic oil oil exit pipe
Road 904, hydraulic oil oil inlet flexible pipe, hydraulic oil transfer pipeline 100, hydraulic oil oil-out flexible pipe and hydraulic oil return line
907 are back to second fluid chamber of fuel reserve tank 902；
The initial operating stage of equipment heating source 900, hydraulic fluid temperature is low, and hydraulic oil is straight in the flowing of hydraulic oil transfer pipeline 100
Connect from hydraulic oil bypass line 300 and flow, hydraulic oil is cooled down without heat-exchanger rig 102；
The hydraulic fluid temperature that the operation a period of time of equipment heating device 901 can cause it internal is also increased, therefore is set
The hydraulic fluid temperature for first fluid chamber that preparation thermal 901 is expelled in fuel reserve tank 902 is also raised, and fuel reserve tank temperature is passed
The temperature that sensor 908 or hydraulic oil transfer pipeline temperature sensor 103 detect hydraulic oil reaches certain high temperature（Taken the photograph more than 60
Family name's degree）, hydraulic oil by-passing valve 301 closed, and hydraulic oil is cooled down by heat-exchanger rig 102, now cold on cooling line 200
But pipeline electromagnetic valve 206 starts, and cooling line 200 comes into operation, and cooling line 200 is defeated with hydraulic oil at heat-exchanger rig 102
Send the high temperature hydraulic oil in pipeline 100 to carry out heat exchange, high temperature hydraulic oil is cooled down so that cooled down by heat-exchanger rig 102
Low temperature hydraulic oil by hydraulic oil transfer pipeline 100 be back to again fuel reserve tank 902 second fluid chamber continue supply
Equipment heating device 901.
The operation principle of wherein cooling line 200 is：
The high temperature and high pressure gas come out from compressor 202 are changed into cryogenic high pressure gas liquid mixture after condenser 203, so
Gas-liquid separation being carried out by reservoir 204 afterwards and forming cryogenic high pressure liquid, then carrying out water removal by device for drying and filtering 205 removes
Miscellaneous, then by the formation low temperature and low pressure liquid of throttling arrangement 207, low temperature and low pressure liquid is in heat-exchanger rig 102 by heat exchange shape
Into low-temp low-pressure gas liquid mixture, low-temp low-pressure gas liquid mixture carries out gas-liquid separation by gas-liquid separator 201 and forms low temperature
Low-pressure gas, then process compressor 202 is compressed to form high temperature and high pressure gas low temperature low pressure gas again, back and forth above-mentioned to follow
Ring, so that 200 pairs of hydraulic oil by the hydraulic oil transfer pipeline 100 of heat-exchanger rig 102 of cooling line is cooled down.It is wherein cold
But the effect of the cooling line by-passing valve 208 in pipeline 200 is that pressure in cooling line 200 persistently raises and reaches certain value
When, cooling line by-passing valve 208 opens progress pressure release and cooling line 200 is played a protective role；Cooling line magnetic valve 206
Effect is that, when cooling line 200 is inoperative, the liquid for placing the front of cooling line magnetic valve 206 flow to compressor 202 backward
It is interior so that compressor 202 is damaged, and is played a protective role.
The piston type relief valve 6 includes housing 601, piston 602 and two springs 603, the horizontal cloth of housing 601
Put, the shell fluid passage 601.1 of a lateral direction penetrating is formed in the housing 601, the middle part of the housing 601 is provided with stream
Body passageway chamber 601.2, the internal diameter of Fluid passageways chamber 601.2 is more than the internal diameter of shell fluid passage 601.1, Fluid passageways chamber
The one piece of separation being fixedly installed ring flat-plate 601.3 is provided with 601.2, separates the internal diameter and shell fluid passage of ring flat-plate 601.3
601.1 internal diameter is consistent, separates ring flat-plate 601.3 and Fluid passageways chamber 601.2 is separated to form into two chambers of Fluid passageways half in left and right.Institute
The left and right ends for stating housing 601 are provided with hickey 601.4, and the piston 602 is horizontally set at shell fluid passage 601.1
Middle part, be provided with neck 601.5, the neck 601.5 at the outer end of left and right two of the shell fluid passage 601.1 and set
It is equipped with the shell that jump ring 604, two lateral arrangements of spring 603, and two springs 603 are located between piston 602 and jump ring 604 respectively
In body fluid passage 601.1, the external diameter of spring 603 is matched with the internal diameter of shell fluid passage 601.1.The piston 602 is a left side
The hollow structure of right both ends open, the piston 602 includes piston shell 602.1, and the middle part of the piston shell 602.1 is set
There is one piece of dividing plate being vertically arranged 602.2, the inside of piston 602 is divided into left and right two and connected respectively with the external world by dividing plate 602.2
Logical piston fluid passage 602.5, is provided with what is be arranged symmetrically on the piston shell 602.1 of the left and right sides of dividing plate 602.2
Fluid bore 602.3, the fluid bore 602.3 is circular layout on piston shell 602.1, fluid bore of the dividing plate 602.2 per side
602.3 can be provided with multi-turn, and the one of high order end encloses fluid bore 602.3 to the horizontal stroke between a circle fluid bore 602.3 of low order end
To the lateral separation of the distance no more than chamber of Fluid passageways half.The left and right ends of the piston 602 are provided with what is coordinated with spring 603
Step 602.4.
The method of work of piston type relief valve：
When hydraulic pressure main road is unobstructed, the pressure of the left and right ends of piston type relief valve is equal, and piston is in housing center
Position, the partition position of piston is corresponding with the position of the separation ring flat-plate of housing, and piston is not acted；
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 big
In right-hand member pressure, the pressure in the piston fluid passage on the right side of dividing plate is more than due to the pressure in the piston fluid passage on the left of dividing plate
Power, fluid forces dividing plate moves right, so that piston also moves right, the fluid bore on the left of dividing plate is located at the one of right side
During individual half intracavitary of Fluid passageways, the larger fluid of pressure flows out to right side out of left side piston fluid passage by fluid bore
In one intracavitary of Fluid passageways half, the piston fluid passage that right side is then flow to again, so as to reach the purpose of pressure release, now left side
Spring be in extended state, the spring on right side is in compressive state, until equal with the pressure on right side on the left of dividing plate, piston is returned
Original position is put, 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 big
In left end pressure, the pressure in the piston fluid passage on the left of dividing plate is more than due to the pressure in the piston fluid passage on the right side of dividing plate
Power, fluid forces dividing plate is moved to the left, so that piston is also moved to the left, the fluid bore on the right side of dividing plate is located at the one of left side
During individual half intracavitary of Fluid passageways, the larger fluid of pressure flows out to left side out of right side piston fluid passage by fluid bore
In one intracavitary of Fluid passageways half, the piston fluid passage that left side is then flow to again, so as to reach the purpose of pressure release, now right side
Spring be in extended state, the spring in left side is in compressive state, until equal with the pressure on right side on the left of dividing plate, piston is returned
Original position is put, hydraulic pressure main road returns unobstructed.
Claims (7)
1. a kind of industrial refrigeration machine of the hydraulic pressure bypass with piston type relief valve, it is characterised in that it includes a hydraulic oil conveying
From hydraulic oil oil inlet to being disposed with hydraulic oil delivery pipe between hydraulic oil oil-out on pipeline, the hydraulic oil transfer pipeline
Road delivery pump, radiator and heat-exchanger rig, the side of radiator are provided with cooling fan, and the coolant outlet of the heat-exchanger rig is extremely
Cooling import between cooling line on be disposed with gas-liquid separator, compressor, condenser, reservoir, device for drying and filtering,
Cooling line magnetic valve and throttling arrangement, compressor to the cooling line and throttling arrangement between condenser to heat-exchanger rig it
Between cooling line between be provided with a cooling line by-passing valve；Piston type is arranged in parallel on the oil circuit at radiator two ends to let out
Pressure valve, the piston type relief valve includes housing（601）, piston（602）And two springs（603）, the housing（601）It is horizontal
To arrangement, the housing（601）The interior shell fluid passage for forming a lateral direction penetrating（601.1）, the housing（601）In
Portion is provided with Fluid passageways chamber（601.2）, Fluid passageways chamber（601.2）Inside it is provided with the one piece of separation being fixedly installed ring flat-plate
（601.3）, separate ring flat-plate（601.3）By Fluid passageways chamber（601.2）It is separated to form two chambers of Fluid passageways half in left and right, the work
Plug（602）It is horizontally set at shell fluid passage（601.1）Middle part, two springs（603）Lateral arrangement, and two springs
（603）It is located at piston respectively（602）The shell fluid passage in outside（601.1）It is interior, the piston（602）For left and right ends opening
Hollow structure, the piston（602）Including piston shell（602.1）, the piston shell（602.1）Middle part be provided with one
The dividing plate that block is vertically arranged（602.2）, dividing plate（602.2）By piston（602）Inside be divided into left and right two respectively with the external world
The piston fluid passage of connection（602.5）, positioned at dividing plate（602.2）The piston shell of the left and right sides（602.1）On be provided with pair
Claim the fluid bore of arrangement（602.3）；
The fluid bore of high order end（602.3）To the fluid bore of low order end（602.3）Between lateral separation be not more than Fluid passageways
The lateral separation of half chamber；
The piston（602）Left and right ends be provided with and spring（603）The step of cooperation（602.4）.
2. a kind of industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve according to claim 1, it is characterised in that
The housing（601）Left and right ends be provided with hickey（601.4）.
3. a kind of industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve according to claim 1, it is characterised in that
The shell fluid passage（601.1）The outer end of left and right two at be provided with neck（601.5）, the neck（601.5）Inside set
It is equipped with jump ring（604）, two springs（603）It is located at piston respectively（602）With jump ring（604）Between shell fluid passage
（601.1）It is interior.
4. a kind of industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve according to claim 1, it is characterised in that
Separate ring flat-plate（601.3）Internal diameter and shell fluid passage（601.1）Internal diameter it is consistent.
5. a kind of industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve according to claim 1, it is characterised in that
Spring（603）External diameter and shell fluid passage（601.1）Internal diameter matching.
6. a kind of industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve according to claim 1, it is characterised in that
The fluid bore（602.3）It is circular layout in piston shell（602.1）On.
7. a kind of industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve according to claim 1, it is characterised in that
Dividing plate（602.2）Fluid bore per side（602.3）It is provided with multi-turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512654.1A CN105937526B (en) | 2016-06-30 | 2016-06-30 | The industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610512654.1A CN105937526B (en) | 2016-06-30 | 2016-06-30 | The industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve |
Publications (2)
| Publication Number | Publication Date |
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| CN105937526A CN105937526A (en) | 2016-09-14 |
| CN105937526B true CN105937526B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610512654.1A Active CN105937526B (en) | 2016-06-30 | 2016-06-30 | The industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve |
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Families Citing this family (1)
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| CN108089617A (en) * | 2017-11-28 | 2018-05-29 | 江苏金荣森制冷科技有限公司 | Temperature control industrial constant-temperature machine with the bypass of piston type relief valve hydraulic pressure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1279097B1 (en) * | 1995-01-10 | 1997-12-04 | Gevipi Ag | PRESSURE BALANCING DEVICE FOR HYDRAULIC SYSTEMS |
| DE202006020018U1 (en) * | 2006-08-01 | 2007-08-16 | Geiger Technik Gmbh | Component, closure element and container |
| CN101762111A (en) * | 2009-03-23 | 2010-06-30 | 何岳峰 | Combined air-conditioning system |
| CN203272916U (en) * | 2013-05-23 | 2013-11-06 | 张进龙 | Bidirectional drainage stopping valve |
| CN103603747B (en) * | 2013-08-10 | 2018-03-30 | 蒙国宁 | Admission pressure balance regulator for charge inter cooling gas engine |
| CN103983041B (en) * | 2014-04-15 | 2016-02-03 | 无锡冠亚恒温制冷技术有限公司 | The reactor refrigeration heated for controlling temperature system of high thermal discharge |
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