CN105909623A - Temperature-control hydraulic heat exchange device for hydraulic bypass with ball pressure-relief valve - Google Patents
Temperature-control hydraulic heat exchange device for hydraulic bypass with ball pressure-relief valve Download PDFInfo
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- CN105909623A CN105909623A CN201610507450.9A CN201610507450A CN105909623A CN 105909623 A CN105909623 A CN 105909623A CN 201610507450 A CN201610507450 A CN 201610507450A CN 105909623 A CN105909623 A CN 105909623A
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- Prior art keywords
- collecting tank
- accumulation
- radiator
- hydraulic pressure
- energy pipe
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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-control hydraulic heat exchange device for a hydraulic bypass with a ball pressure-relief valve. The temperature-control hydraulic heat exchange device comprises an equipment heat source, a heat radiator, a tubular heater and a liquid storage tank which are circularly connected in series with an oil path, wherein a cooling fan is arranged on one side of the heat radiator; and a ball pressure-relief valve is arranged on the oil path at the two ends of the heat radiator in a parallelly connected manner. The temperature-control hydraulic heat exchange device provided by the invention has the advantages that the reliability is high, the damage possibility is low, and stable system operation is guaranteed.
Description
Technical field
The present invention relates to the temperature control hydraulic pressure heat-exchanger rig of the hydraulic pressure bypass of a kind of band ball-type relief valve.
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-exchanger rig directly influences the duty of machinery equipment, when fluid pressure is excessive in traditional hydraulic pressure heat-exchanger rig, 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-exchanger rig of the hydraulic pressure bypass of the band ball-type relief valve of system stable operation.
The object of the present invention is achieved like this:
nullA kind of temperature control hydraulic pressure heat-exchanger rig of the hydraulic pressure bypass of band ball-type relief valve，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，The side of described radiator is provided with cooling fan，Ball-type relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described ball-type relief valve includes housing，The cavity of inverted T-type structure it is provided with in described housing，Fluid passage that this cavity includes lateral arrangement and the regulation passage being vertically arranged，Dust cap it is disposed with from top to bottom in described regulation passage、Seal slide block、Spring、Ball support block and spheroid，There is a regulation screw mandrel from the top down through dust cap the top being connected to seal slide block，Regulation screw mandrel is threadeded with dust cap，On regulation screw mandrel above dust cap, also rotation is equipped with locking nut，The outward flange of described sealing slide block fits with the inwall of regulation passage，The two ends up and down of described spring connect bottom and the top of ball support block sealing slide block respectively，Described spheroid is fixedly installed in the bottom of ball support block，The lower semisection longitudinal cross-section of described spheroid coincide with the cross section of fluid passage，Naturalness lower sphere is close to the bottom of fluid passage，Fluid can not carry out in fluid passage laterally across.
Described radiator is protecting against shock accumulation of energy radiator, described radiator includes radiator body and accumulation of energy pipe, described radiator body includes the first collecting tank of being vertically arranged of left and right and the second collecting tank, the many shunting liquid baths having lateral arrangement are connected between first collecting tank and the second collecting tank, described accumulation of energy pipe is the tubular structure that bottom opening remainder is closed, the bottom opening of accumulation of energy pipe and the first collecting tank and the connection of the second collecting tank.
The two ends, left and right of described fluid passage are provided with connection screw thread.
Dust cap is threadeded with the top open part of regulation passage.
It is provided with sealing ring between the outward flange of slide block and the inwall of regulation passage sealing.
One, when accumulation of energy pipe is built-in:
When the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the top of the first collecting tank and the second collecting tank, accumulation of energy pipe is installed on the first collecting tank and the inside of the second collecting tank；
When the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the side of the first collecting tank and the second collecting tank, accumulation of energy pipe is installed on the first collecting tank and the inside of the second collecting tank, if the height of accumulation of energy pipe is higher than inlet and the height of liquid outlet, then without doing other process, if the height of accumulation of energy pipe is less than inlet and the height of liquid outlet, then the top at accumulation of energy pipe installs distributing damper additional, and the shunting liquid bath of corresponding to inlet and liquid outlet height and position is separated by distributing damper；
Two, when accumulation of energy pipe is external:
The connector of the bottom opening of accumulation of energy pipe and the bottom side of the first collecting tank and the second collecting tank is threaded, and the top of described accumulation of energy pipe is fixing with the installation limit employing bolt of the first collecting tank and the top side of the second collecting tank to be connected.
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 internal structure schematic diagram of ball-type relief valve.
Fig. 3 is the contour structures schematic diagram of ball-type relief valve.
Fig. 4 is the schematic diagram of embodiment 1.
Fig. 5 is the schematic diagram of embodiment 2.
Fig. 6 is the structural representation of tube heater.
Fig. 7 is the explosive view of Fig. 6.
Fig. 8 is the tube heater sectional view that flow channel for liquids selects spiral separating liquid sheet.
Fig. 9 is the liquid flow graph that flow channel for liquids selects the tube heater of spiral separating liquid sheet.
Figure 10 is the tube heater sectional view that flow channel for liquids selects parallel separating liquid sheet.
Figure 11 is the liquid flow graph that flow channel for liquids selects the tube heater of parallel separating liquid sheet.
Figure 12 is the front view of embodiment A of radiator.
Figure 13 is the side view of embodiment A of radiator.
Figure 14 is the explosive view of Figure 13.
Figure 15 is the three-dimensional semi-cutaway of embodiment A of radiator.
Figure 16 is the first collecting tank schematic internal view of embodiment A of radiator.
Figure 17 is the front view of embodiment B of radiator.
Figure 18 is the side view of embodiment B of radiator.
Figure 19 is the explosive view of Figure 18.
Figure 20 is the three-dimensional semi-cutaway of embodiment B of radiator.
Figure 21 is the first collecting tank schematic internal view of embodiment B of radiator.
Figure 22 is the front view of embodiment C of radiator.
Figure 23 is the side view of embodiment C of radiator.
Figure 24 is the explosive view of Figure 23.
Figure 25 is the three-dimensional semi-cutaway of embodiment C of radiator.
Figure 26 is the first collecting tank schematic internal view of embodiment C of radiator.
Figure 27 is the front view of embodiment D of radiator.
Figure 28 is the side view of embodiment D of radiator.
Figure 29 is the explosive view of Figure 28.
Figure 30 is the three-dimensional semi-cutaway of embodiment D of radiator.
Figure 31 is the first collecting tank schematic internal view of embodiment D of radiator.
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, accumulation of energy pipe the 500, first collecting tank the 501, second collecting tank 502, shunting liquid bath 503, sewage draining exit 504, sewage draining exit bolt 505, sewage draining exit sealing gasket 506, distributing damper 507
Ball-type relief valve 8, housing 801, fluid passage 802, regulation passage 803, dust cap 804, sealing slide block 805, spring 806, ball support block 807, spheroid 808, regulation screw mandrel 809, sealing ring 8010, locking nut 8011
Cooling fan 9.
Detailed description of the invention
See Fig. 1 ~ Figure 31, the temperature control hydraulic pressure heat-exchanger rig of the hydraulic pressure bypass of a kind of band ball-type relief valve 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 ball-type relief valve 8 on the oil circuit at radiator 5 two ends, on oil circuit or on reserving liquid tank 2, temperature sensor has been set.
nullDescribed ball-type relief valve 8 includes housing 801，The cavity of inverted T-type structure it is provided with in described housing 1，Fluid passage 802 that this cavity includes lateral arrangement and the regulation passage 803 being vertically arranged，The two ends, left and right of described fluid passage 802 are provided with connection screw thread，Dust cap 804 it is disposed with from top to bottom in described regulation passage 803、Seal slide block 805、Spring 806、Ball support block 807 and spheroid 808，Wherein dust cap 804 is threadeded with the top open part of regulation passage 803，There is a regulation screw mandrel 809 from the top down through dust cap 804 top being connected to seal slide block 805，Regulation screw mandrel 809 is threadeded with dust cap 804，On regulation screw mandrel 809 above dust cap 804, also rotation is equipped with locking nut 8011，The outward flange of described sealing slide block 805 fits with the inwall of regulation passage 803，It is provided with sealing ring 8010 between the outward flange of slide block 805 and the inwall of regulation passage 803 sealing，The two ends up and down of described spring 806 connect bottom and the top of ball support block 807 sealing slide block 805 respectively，Described spheroid 808 is fixedly installed in the bottom of ball support block 807，The lower semisection longitudinal cross-section of described spheroid 808 coincide with the cross section of fluid passage 802，Under naturalness，Elastic force due to spring 806，When making the bottom that spheroid 808 is close to fluid passage 802，Fluid can not carry out in fluid passage 802 laterally across.
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-exchanger rig of the hydraulic pressure bypass of band ball-type relief valve:
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.
First according to the setting pressure of fluid, regulation screw mandrel is adjusted, thus the elastic potential energy of spring is adjusted, final control fluid pressure release value in fluid passage；
When hydraulic pressure main road is unobstructed, the pressure at the two ends, left and right of ball-type relief valve is equal, and spheroid is in low level, and spheroid is failure to actuate；
Embodiment 1, when liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of ball-type relief valve is more than right-hand member pressure, owing to the pressure in the fluid passage on the left of spheroid is more than the pressure in the fluid passage on the right side of spheroid, fluid forces spheroid moves up, and forms the space for fluid motion bottom spheroid, and fluid moves in fluid passage from left to right, thus reach the purpose of pressure release, until the pressure on the left of spheroid and right side is equal, spheroid is put in order in situ, and 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 ball-type relief valve is more than left end pressure, owing to the pressure in the fluid passage on the right side of spheroid is more than the pressure in the fluid passage on the left of spheroid, fluid forces spheroid moves up, and forms the space for fluid motion bottom spheroid, and fluid moves in fluid passage from right to left, thus reach the purpose of pressure release, until the pressure on the left of spheroid and right side is equal, spheroid is put in order in situ, and hydraulic pressure main road returns unobstructed.
Described radiator 5 is protecting against shock accumulation of energy radiator, described radiator 5 includes radiator body and accumulation of energy pipe 500, described radiator body includes the first collecting tank 501 and the second collecting tank 502 that left and right is vertically arranged, the many shunting liquid baths 503 having lateral arrangement are connected between first collecting tank 501 and the second collecting tank 502, the tubular structure that described accumulation of energy pipe 500 is closed for bottom opening remainder, the bottom opening of accumulation of energy pipe 500 and the first collecting tank 501 and the second collecting tank 502 connect, the bottom side of described first collecting tank 501 and the second collecting tank 502 is provided with sewage draining exit 504, sewage draining exit bolt 505 and sewage draining exit sealing gasket 506 is used to block when sewage draining exit 504 does not uses.
Embodiment A,
Accumulation of energy pipe is built-in, and when the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the top of the first collecting tank 501 and the second collecting tank 502, accumulation of energy pipe 500 is installed on the first collecting tank 501 and inside of the second collecting tank 502.
Embodiment B,
Accumulation of energy pipe is built-in, when the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the side of the first collecting tank 501 and the second collecting tank 502, accumulation of energy pipe 500 is installed on the first collecting tank 501 and inside of the second collecting tank 502, if the height of accumulation of energy pipe 500 is higher than inlet and the height of liquid outlet, then without doing other process, if the height of accumulation of energy pipe 500 is less than inlet and the height of liquid outlet, then need to install distributing damper 507 additional at the top of accumulation of energy pipe 500, the shunting liquid bath 503 of corresponding to inlet and liquid outlet height and position is separated by distributing damper 507, the directly impact avoiding liquid enters shunting liquid bath 503.
Embodiment C,
Accumulation of energy pipe is external, and the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the first collecting tank 501 and top of the second collecting tank 502.The connector of the bottom opening of described accumulation of energy pipe 500 and the bottom side of the first collecting tank 501 and the second collecting tank 502 is threaded, the top of described accumulation of energy pipe 500 is fixing with the installation limit employing bolt of the first collecting tank 501 and the top side of the second collecting tank 502 to be connected, it is simple to dismounting.Owing to the accumulation of energy pipe 500 of protecting against shock accumulation of energy radiator is arranged at the first collecting tank 501 and outside of the second collecting tank 502 so that different capabilities, various different accumulation of energy pipe can be selected by fluid flow and the difference of impulsive force.
Embodiment D,
Accumulation of energy pipe is external, and the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the first collecting tank 501 and side of the second collecting tank 502.
The method of work of described radiator:
Equipment heating source initial operating stage, temperature of liquid is relatively low, cooling fan does not starts, liquid is entered in the first collecting tank of protecting against shock accumulation of energy radiator by inlet, the shunting liquid bath internal resistance of protecting against shock accumulation of energy radiator is less under normal circumstances or non-resistance, then, in liquid is introduced into the first collecting tank, then dispelling the heat during shunting liquid bath, enter back into the second collecting tank, finally leave protecting against shock accumulation of energy radiator from liquid outlet；When the shunting liquid bath internal resistance of protecting against shock accumulation of energy radiator is bigger, owing to the pressure in now accumulation of energy pipe is less, enter in accumulation of energy pipe with regard to some liquid, along with liquid is in the rising of accumulation of energy intraluminal fluid position, air in compress energy storage pipe, pressure in accumulation of energy pipe is also raised, pressure in final accumulation of energy pipe reaches equal with the pressure at inlet, now the liquid velocity at inlet slows down, pressure at inlet reduces the most therewith, along with the pressure at inlet reduces, enter the liquid in accumulation of energy pipe owing to pressure is higher than at inlet, return in the first collecting tank, then dispelling the heat during shunting liquid bath, enter back into the second collecting tank, finally leave protecting against shock accumulation of energy radiator from liquid outlet.
Because the mobility of air is good, substantially not having hysteresis quality, in protecting against shock accumulation of energy radiator, air runs into the moment of impulsive force, the most immediately compression and action, and this action completed in moment, will not have hysteresis quality and use fatigue as mechanical damping.
Claims (5)
- null1. the temperature control hydraulic pressure heat-exchanger rig of the hydraulic pressure bypass of a band ball-type relief valve，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)，Ball-type relief valve it has been arranged in parallel on the oil circuit at radiator two ends，Described ball-type relief valve includes housing (801)，The cavity of inverted T-type structure it is provided with in described housing (1)，Fluid passage (802) that this cavity includes lateral arrangement and the regulation passage (803) being vertically arranged，Dust cap (804) it is disposed with from top to bottom in described regulation passage (803)、Seal slide block (805)、Spring (806)、Ball support block (807) and spheroid (808)，There is a regulation screw mandrel (809) from the top down through dust cap (804) the top being connected to seal slide block (805)，Regulation screw mandrel (809) is threadeded with dust cap (804)，On the regulation screw mandrel (809) of dust cap (804) top, also rotation is equipped with locking nut (8011)，The outward flange of described sealing slide block (805) fits with the inwall of regulation passage (803)，The two ends up and down of described spring (806) connect bottom and the top of ball support block (807) sealing slide block (805) respectively，Described spheroid (808) is fixedly installed in the bottom of ball support block (807)，The lower semisection longitudinal cross-section of described spheroid (808) coincide with the cross section of fluid passage (802)，Naturalness lower sphere (808) is close to the bottom of fluid passage (802)，Fluid can not carry out in fluid passage (802) laterally across；Described radiator is protecting against shock accumulation of energy radiator, described radiator includes radiator body and accumulation of energy pipe, described radiator body includes the first collecting tank of being vertically arranged of left and right and the second collecting tank, the many shunting liquid baths having lateral arrangement are connected between first collecting tank and the second collecting tank, described accumulation of energy pipe is the tubular structure that bottom opening remainder is closed, the bottom opening of accumulation of energy pipe and the first collecting tank and the connection of the second collecting tank.
- The temperature control hydraulic pressure heat-exchanger rig of the hydraulic pressure bypass of a kind of band ball-type relief valve the most according to claim 1, it is characterised in that the two ends, left and right of described fluid passage (802) are provided with connection screw thread.
- The temperature control hydraulic pressure heat-exchanger rig of the hydraulic pressure bypass of a kind of band ball-type relief valve the most according to claim 1, it is characterised in that dust cap (804) is threadeded with the top open part of regulation passage (803).
- The temperature control hydraulic pressure heat-exchanger rig of the hydraulic pressure bypass of a kind of band ball-type relief valve the most according to claim 1, it is characterised in that be provided with sealing ring (8010) between the outward flange of slide block (805) and the inwall of regulation passage (803) sealing.
- The temperature control hydraulic pressure heat-exchanger rig of the hydraulic pressure bypass of a kind of band ball-type relief valve the most according to claim 1, it is characterised in that:One, when accumulation of energy pipe is built-in:When the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the top of the first collecting tank and the second collecting tank, accumulation of energy pipe is installed on the first collecting tank and the inside of the second collecting tank；When the inlet of protecting against shock accumulation of energy radiator and liquid outlet are positioned at the side of the first collecting tank and the second collecting tank, accumulation of energy pipe is installed on the first collecting tank and the inside of the second collecting tank, if the height of accumulation of energy pipe is higher than inlet and the height of liquid outlet, then without doing other process, if the height of accumulation of energy pipe is less than inlet and the height of liquid outlet, then the top at accumulation of energy pipe installs distributing damper additional, and the shunting liquid bath of corresponding to inlet and liquid outlet height and position is separated by distributing damper；Two, when accumulation of energy pipe is external:The connector of the bottom opening of accumulation of energy pipe and the bottom side of the first collecting tank and the second collecting tank is threaded, and the top of described accumulation of energy pipe is fixing with the installation limit employing bolt of the first collecting tank and the top side of the second collecting tank to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507450.9A CN105909623B (en) | 2016-06-30 | 2016-06-30 | The temperature control hydraulic pressure heat-exchanger rig of hydraulic pressure bypass with ball-type relief valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610507450.9A CN105909623B (en) | 2016-06-30 | 2016-06-30 | The temperature control hydraulic pressure heat-exchanger rig of hydraulic pressure bypass with ball-type relief valve |
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| CN105909623A true CN105909623A (en) | 2016-08-31 |
| CN105909623B CN105909623B (en) | 2017-08-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108119439A (en) * | 2017-11-28 | 2018-06-05 | 江苏金荣森制冷科技有限公司 | The temperature control industrial constant-temperature machine of hydraulic pressure bypass with ball-type relief valve |
| CN108119436A (en) * | 2017-11-28 | 2018-06-05 | 江苏金荣森制冷科技有限公司 | The method of work of tubing type industrial constant-temperature machine with protecting against shock accumulation of energy radiator |
| CN114294240A (en) * | 2021-12-31 | 2022-04-08 | 江苏金荣森制冷科技有限公司 | Working method of drainage type constant-pressure self-priming pump with external open type pressure relief valve body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114294240A (en) * | 2021-12-31 | 2022-04-08 | 江苏金荣森制冷科技有限公司 | Working method of drainage type constant-pressure self-priming pump with external open type pressure relief valve body |
| CN114294240B (en) * | 2021-12-31 | 2023-06-02 | 江苏金荣森制冷科技有限公司 | Working method of drainage type constant-pressure self-priming pump with external open pressure relief valve body |
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|---|---|
| CN105909623B (en) | 2017-08-11 |
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