CN109372827B - Hydraulic power unit with security - Google Patents

Hydraulic power unit with security Download PDF

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Publication number
CN109372827B
CN109372827B CN201811171306.8A CN201811171306A CN109372827B CN 109372827 B CN109372827 B CN 109372827B CN 201811171306 A CN201811171306 A CN 201811171306A CN 109372827 B CN109372827 B CN 109372827B
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CN
China
Prior art keywords
oil
cooling
pipe
water
shell
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CN201811171306.8A
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Chinese (zh)
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CN109372827A (en
Inventor
朱华珍
刘兆
沈振春
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TAIZHOU BOTAI ELECTRONICS Co.,Ltd.
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Taizhou Botai Electronics Co ltd
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Priority to CN201811171306.8A priority Critical patent/CN109372827B/en
Publication of CN109372827A publication Critical patent/CN109372827A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04Special measures taken in connection with the properties of the fluid
    • F15B21/042Controlling the temperature of the fluid

Abstract

The invention discloses a safety hydraulic pump station which comprises an oil tank, wherein an operation table is arranged above the oil tank and fixedly connected with the oil tank through screws, a motor and an oil pump are arranged above the operation table, a cooling mechanism is arranged on one side of the oil tank, a water pump is arranged on one side of the cooling mechanism, a cooling mechanism shell is arranged on the cooling mechanism, an air suction fan support frame is arranged at the upper end inside the cooling mechanism shell, an air suction fan is arranged on the air suction fan support frame, a water tank is arranged at the lower end inside the cooling mechanism shell, a water delivery pipe is arranged at the water outlet end of the water pump, a discharge nozzle is arranged at one end of the water delivery pipe, a cooling aluminum pipe is arranged below the discharge nozzle, and fins are sleeved outside the cooling aluminum pipe. According to the invention, through a heat dissipation mode combining water cooling and air cooling, the heat dissipation efficiency of the hydraulic pump is improved, the service life of the hydraulic station is prolonged, and the use safety of the hydraulic station is improved.

Description

Hydraulic power unit with security
Technical Field
The invention relates to the technical field of hydraulic pump station devices, in particular to a hydraulic pump station with safety.
Background
The hydraulic station is a hydraulic source device including a hydraulic pump, a driving motor, a tank, a directional valve, a throttle valve, a relief valve, and the like, or a hydraulic device including a control valve. The oil supply is carried out according to the flow direction, pressure and flow quantity required by the driving device, the hydraulic system is suitable for various machines with the driving device separated from a hydraulic station, and the hydraulic station is connected with the driving device through an oil pipe, so that various specified actions can be realized by the hydraulic system.
The hydraulic device has the advantages of small volume, light weight, high rigidity, high precision, quick response, large driving force, suitability for heavy-load direct driving and the like, is widely used, but is very sensitive to temperature change, the action of equipment becomes slow and powerless due to overhigh hydraulic oil temperature, the working efficiency is reduced, the oil consumption of an engine is increased, the aging of a sealing element is accelerated, the sealing performance is reduced, the viscosity is reduced, the lubricating performance is reduced, the influence of the temperature on the viscosity of hydraulic oil is great, and important hydraulic elements such as a hydraulic pump, a valve, a lock and the like are damaged, so that the market urgently needs to develop a hydraulic pump station with safety to help people to solve the existing problems.
Disclosure of Invention
The invention aims to provide a hydraulic pump station with safety, and aims to solve the problems of low working efficiency, increased oil consumption of an engine and accelerated aging of a sealing element caused by overhigh oil temperature in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic pump station with safety comprises an oil tank, wherein an operation platform is arranged above the oil tank and is fixedly connected with the oil tank through screws, a motor and an oil pump are arranged above the operation platform and are located on one side of the oil pump, an integrated block is arranged on one side of the motor, a reversing valve and an overflow valve are arranged above the integrated block, the overflow valve is provided with two parts and is located on one side of the overflow valve, an oil pump oil suction pipe is arranged on one side of the oil pump, one end of the oil pump oil suction pipe is connected with the oil pump in a sealing manner, the oil pump is connected with the integrated block through an oil pump oil guide pipe, mounting seats are arranged on two sides of the bottom end of the oil tank, vertical center lines of the oil tank are symmetrical between the mounting seats, an integrated block oil conveying pipe is arranged at the other end of the integrated block, the integrated block oil conveying pipe is connected with the integrated block in a sealing, the cooling mechanism is fixedly connected with the oil tank through screws, one side of the cooling mechanism is provided with a water pump which is positioned above the mounting seat, the cooling mechanism is provided with a cooling mechanism shell, the upper end inside the cooling mechanism shell is provided with an air suction fan supporting frame, the air suction fan supporting frame is provided with two air suction fans, the two air suction fans are symmetrical with respect to the vertical center line of the air suction fan supporting frame, the lower end inside the cooling mechanism shell is provided with a water tank, the water outlet end of the water pump is provided with a water delivery pipe, one end of the water delivery pipe penetrates through and extends to the inside of the cooling mechanism shell, one end of the water delivery pipe is provided with a discharge nozzle, a cooling aluminum pipe is arranged below the discharge nozzle, the two ends of the cooling aluminum pipe penetrate through and extends to the outside of the cooling mechanism shell, and the outside of the cooling aluminum pipe is sleeved with, and distribute in proper order between the fin, the drainage plate is installed to the inner wall of cooling mechanism casing, and the drainage plate is provided with two, and is symmetrical about the perpendicular center line of cooling mechanism casing between the drainage plate, the both ends of cooling mechanism casing all are provided with the ventilation groove, and ventilate and symmetrical about the perpendicular center line of cooling mechanism casing between the groove, the internally mounted in ventilation groove has waterproof baffle, and waterproof baffle is provided with threely, and distributes in proper order between the waterproof baffle, the filler pipe is installed to one side of cooling mechanism casing, and the one end of filler pipe runs through and extends to the inside of water tank, install the filler pipe valve on the filler pipe.
Preferably, a float switch support is installed above the water adding pipe, a warning lamp and a liquid level float switch are installed above the float switch support, the warning lamp is located on one side of the liquid level float switch, and one end of the liquid level float switch penetrates through and extends to the inside of the water tank.
Preferably, the liquid level float switch comprises a liquid level float switch shell, a fixed contact, a movable contact magnetic block and a floating ball, the fixed contact and the movable contact are located at one end of the liquid level float switch shell, the magnetic block is located at the other end of the liquid level float switch shell, and the floating ball is located at one side of the magnetic block.
Preferably, pass through flange sealing connection between the one end of cooling aluminum pipe and the oil pipe of integrated package, oil return pipe is installed to the other end of cooling aluminum pipe, and passes through flange sealing connection between oil return pipe and the cooling aluminum pipe, sealing connection between the other end of oil return pipe and the oil tank.
Preferably, the lower extreme that row spouts installs the relief valve, and the relief valve is provided with ten, and distributes in proper order between the relief valve, the relief valve spouts with the row and passes through thread sealing connection between, the shower nozzle is installed to the below of relief valve, and passes through thread sealing connection between shower nozzle and the relief valve.
Preferably, the relief valve comprises a valve body and a valve handle, and the valve handle is located at the front end of the valve body.
Preferably, the water inlet end of the water pump penetrates through and extends to the inside of the water tank, and the water inlet end of the water pump is connected with the cooling mechanism shell in a sealing mode.
Preferably, the number of the air suction fan support frames is two, and the air suction fan support frames are fixedly connected with the cooling mechanism shell through screws.
Preferably, one end of the oil pump oil guide pipe is connected with the oil pump in a sealing manner, and the other end of the oil pump oil guide pipe is connected with the integrated block in a sealing manner.
Preferably, the other end of the oil suction pipe of the oil pump penetrates through the operating platform, and the other end of the oil suction pipe of the oil pump extends to the inside of the oil tank.
Compared with the prior art, the invention has the beneficial effects that:
1. this hydraulic power unit with security is through setting up row and spouting the water spray to the cooling aluminum pipe, the cooling of the inside hydraulic oil of cooling aluminum pipe with higher speed, row spouts and realizes the control to discharge through setting up the relief valve, when the pipeline internal pressure surpassed relief valve settlement pressure, the automatic pressure release that opens promptly, guarantee that equipment and pipeline internal medium pressure are under the settlement pressure, play the effect of protection equipment and pipeline, the switch of automatic control shower nozzle is come through its setting, artificial control valve has been avoided, the probability of maloperation has been reduced, water spray through the shower nozzle lasts, effectual cooling aluminum pipe is sprayed water, absorb the high temperature of hydraulic oil through the heat transfer of water and evaporation, solved the too high temperature and caused and reduce the efficiency of doing work, increase the engine oil consumption, the ageing problem of sealing member with higher speed, the life of hydraulic pressure station has been prolonged, the security of hydraulic pressure station has been.
2. This hydraulic power unit with security extracts the inside air of cooling mechanism through setting up the suction fan, suction fan light in weight, intensity is high, toughness is good, the amount of wind is big, the noise is low, the rotation through suction fan produces the wind of outwards blowing, thereby the inside air of cooling mechanism is outwards flowed with higher speed, thereby take away the temperature of hydraulic oil in the cooling aluminum pipe with higher speed, the flow of the inside dust of cooling mechanism has been accelerated through setting up through suction fan, dustproof effect has been played, the cooling efficiency of hydraulic oil has been improved.
Drawings
FIG. 1 is a perspective view of a safety hydraulic pump station according to the present invention;
FIG. 2 is a side view of a safety hydraulic pump station according to the present invention;
FIG. 3 is a schematic structural diagram of a cooling mechanism according to the present invention;
FIG. 4 is an enlarged view of a portion of the area A according to the present invention;
FIG. 5 is a schematic structural view of the liquid level float switch of the present invention;
FIG. 6 is a diagram of the connection between the pressure relief valve and the sprinkler head of the present invention.
In the figure: 1. an oil tank; 2. an operation table; 3. a motor; 4. an oil pump; 5. integrating the blocks; 6. a diverter valve; 7. an overflow valve; 8. an oil suction pipe of an oil pump; 9. an oil guide pipe of an oil pump; 10. a mounting seat; 11. an integrated oil pipeline; 12. a cooling mechanism; 13. an oil return pipe; 14. a water pump; 15. a water delivery pipe; 16. a water feeding pipe; 17. a cooling mechanism housing; 18. a suction fan support frame; 19. an air suction fan; 20. discharging and spraying; 21. a pressure relief valve; 22. a spray head; 23. cooling an aluminum pipe; 24. a fin; 25. a drainage plate; 26. a ventilation slot; 27. a waterproof baffle; 28. a water tank; 29. a water adding pipe valve; 30. a float switch bracket 31 and a warning lamp; 32. a liquid level float switch; 33. a liquid level float switch shell; 34. static contact; 35. a moving contact; 36. a magnetic block; 37. a floating ball; 38. a valve body; 39. a valve handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a hydraulic power unit with security, including oil tank 1, the top of oil tank 1 is provided with operation panel 2, and operation panel 2 passes through screw fixed connection with oil tank 1, oil tank 1 is used for storing hydraulic oil, operation panel 2 is used for providing the support for each part, the top of operation panel 2 is provided with motor 3 and oil pump 4, and motor 3 is located one side of oil pump 4, motor 3 is used for providing through rotating drive oil pump 4, oil pump 4 drives hydraulic oil fast flow through the rotation of motor 3, one side of motor 3 is provided with integrated package 5, integrated package 5 is formed by hydrovalve and the combination of passageway body. It can regulate the direction, pressure and flow of hydraulic oil. A reversing valve 6 and an overflow valve 7 are arranged above the manifold block 5, two overflow valves 7 are arranged, the reversing valve 6 is positioned at one side of the overflow valve 7, the reversing valve 6 is used for controlling the flow direction of hydraulic oil and changing the movement direction of the oil cylinder, the overflow valve 7 prevents the overpressure of the whole hydraulic system, and is equivalent to a safety valve, the safety of the oil pump 4 and an oil circuit system is protected and the pressure of the hydraulic system is kept constant, an oil pump oil suction pipe 8 is arranged at one side of the oil pump 4, one end of the oil pump oil suction pipe 8 is hermetically connected with the oil pump 4, the oil pump oil suction pipe 8 is used for connecting the oil tank 1 and the oil pump 4, the oil pump 4 is connected with the manifold block 5 through an oil pump oil guide pipe 9, mounting seats 10 are arranged at two sides of the bottom end of the oil tank 1, the mounting seats 10 are symmetrical with respect to the vertical center line of the oil tank 1, the integrated block oil delivery pipe 11 is used for transferring the transmitted hydraulic oil from the integrated block 5 to the cooling mechanism 12 for cooling, the cooling mechanism 12 is installed on one side of the oil tank 1, the cooling mechanism 12 is fixedly connected with the oil tank 1 through screws, the cooling mechanism 12 cools the hydraulic oil through a combination of air cooling and water cooling, the water pump 14 is installed on one side of the cooling mechanism 12, the water pump 14 is located above the mounting seat 10, the water pump 14 is used for pumping water in the water tank 28 into the exhaust and spray 20, the cooling mechanism 12 is provided with a cooling mechanism shell 17, the upper end inside the cooling mechanism shell 17 is provided with an air suction fan support frame 18, the air suction fan support frame 18 is used for supporting and fixing an air suction fan 19, the air suction fan support frame 18 is provided with two air suction fans 19, and the vertical center lines of the air suction fan support frames 18 are symmetrical, the air suction fan 19 is used for starting air in the cooling mechanism 12 to flow rapidly through rotation, so as to improve the heat dissipation efficiency of hydraulic oil in the cooling aluminum pipe 23, a water tank 28 is arranged at the lower end inside the cooling mechanism shell 17, the water tank 28 is used for storing water for cooling, a water delivery pipe 15 is installed at the water outlet end of the water pump 14, one end of the water delivery pipe 15 penetrates through and extends to the inside of the cooling mechanism shell 17, the water delivery pipe 15 is used for guiding water to a discharge spray 20, the discharge spray 20 is installed at one end of the water delivery pipe 15, the discharge spray 20 cools the hydraulic oil in the cooling aluminum pipe 23 through water spraying, the cooling aluminum pipe 23 is installed below the discharge spray 20, both ends of the cooling aluminum pipe 23 penetrate through and extend to the outer side of the cooling mechanism shell 17, the cooling aluminum pipe 23 is used for transmitting the hydraulic oil, the heat of the hydraulic oil in the pipe is conducted through the good thermal conductivity, the fins 24 are sequentially distributed, the fins 24 increase the heat dissipation area of the cooling aluminum tube 23, the heat dissipation efficiency is improved, the inner wall of the cooling mechanism shell 17 is provided with two drainage plates 25, the drainage plates 25 are symmetrical with respect to the vertical center line of the cooling mechanism shell 17, the drainage plates 25 are used for guiding water sprayed in the spray head 22 and preventing the water from flowing out of the ventilation grooves 26, the two ends of the cooling mechanism shell 17 are respectively provided with the ventilation grooves 26, the ventilation grooves 26 are symmetrical with respect to the vertical center line of the cooling mechanism shell 17, the ventilation grooves 26 are used for ventilation, when the air suction fan 19 rotates, the ventilation grooves 26 can conveniently absorb external air, the ventilation grooves 26 are internally provided with three waterproof baffles 27, the waterproof baffles 27 are sequentially distributed among the waterproof baffles 27, the waterproof baffles 27 are used for preventing the external water from entering the cooling mechanism shell 17, a water feeding pipe 16 is installed on one side of the cooling mechanism shell 17, one end of the water feeding pipe 16 penetrates through and extends into the water tank 28, the water feeding pipe 16 is used for conducting water outside into the water tank 28, a water feeding pipe valve 29 is installed on the water feeding pipe 16, and the water feeding pipe valve 29 is used for controlling water flow in the water feeding pipe 16.
Further, float switch support 30 is installed to the top of filler pipe 16, float switch support 30 is used for supporting warning light 31 and liquid level float switch 32, warning light 31 and liquid level float switch 32 are installed to float switch support 30's top, and warning light 31 is located one side of liquid level float switch 32, the inside that liquid level float switch 32's one end runs through and extends to water tank 28, liquid level float switch 32 is used for coming control circuit's break-make through the water level, thereby realize that warning light 31 lights and extinguishes, make things convenient for the staff in time to supply the inside water yield of water tank 28.
Further, the liquid level float switch 32 comprises a liquid level float switch shell 33, a fixed contact 34, a movable contact 35, a magnetic block 36 and a floating ball 37, the fixed contact 34 and the movable contact 35 are located at one end of the liquid level float switch shell 33, the magnetic block 36 is located at the other end of the liquid level float switch shell 33, the floating ball 37 is located on one side of the magnetic block 36, when the water level reaches a set water level, the floating ball 37 can be kept horizontal due to the buoyancy of water, the magnetic block 36 on one side of the floating ball 37 is also kept horizontal, the magnetic block end of the movable contact 35 is attracted with the magnetic block end through magnetic force, and the fixed contact 34 is in contact with the movable contact 35 at the moment, so that the circuit is controlled to be.
Further, one end of the cooling aluminum pipe 23 is connected with the integrated block oil delivery pipe 11 in a sealing mode through a flange, the other end of the cooling aluminum pipe 23 is provided with the oil return pipe 13, the oil return pipe 13 is connected with the cooling aluminum pipe 23 in a sealing mode through the flange, the other end of the oil return pipe 13 is connected with the oil tank 1 in a sealing mode, the flange connection has the advantages of being convenient to detach, high in strength and good in sealing performance, and the good sealing performance between the cooling aluminum pipe 23 and the integrated block oil delivery pipe 11 and the oil return pipe 13 is achieved, and meanwhile the convenience in detachment and installation is achieved.
Further, the lower extreme that the row spouts 20 is installed relief valve 21, relief valve 21 is provided with ten, and distribute in proper order between the relief valve 21, relief valve 21 is used for controlling the row to spout the rivers in 20, when water pressure does not reach the set pressure, water is locked in relief valve 21, the waste of water has been prevented, relief valve 21 spouts through thread sealing connection between 20 with the row, shower nozzle 22 is installed to the below of relief valve 21, and through thread sealing connection between shower nozzle 22 and the relief valve 21, thread connection has realized relief valve 21 and shower nozzle 22 and relief valve 21's dismouting, when one of them appears the damage, only need change that can, and easy operation, and the cost of overhaul is low.
Further, the pressure relief valve 21 comprises a valve body 38 and a valve handle 39, the valve handle 39 is located at the front end of the valve body 38, and the valve handle 39 is arranged to facilitate manual control of the pressure relief valve 21 by workers.
Further, the end of intaking of water pump 14 runs through and extends to the inside of water tank 28, and the end of intaking of water pump 14 and cooling mechanism casing 17 sealing connection, and sealing connection is effectual prevents that hydraulic oil from revealing.
Further, the suction fan support frames 18 are provided with two, the suction fan support frames 18 and the cooling mechanism shell 17 are fixedly connected through screws, the screws are connected, installation and disassembly between the suction fan support frames 18 and the cooling mechanism shell 17 are facilitated, installation strength is reduced, and installation tool technical content is also reduced.
Further, one end of the oil pump oil guide pipe 9 is in sealing connection with the oil pump 4, the other end of the oil pump oil guide pipe 9 is in sealing connection with the integrated block 5, and the sealing connection effectively prevents hydraulic oil leakage.
Further, the other end of the oil pump oil suction pipe 8 penetrates through the operating platform 2, and the other end of the oil pump oil suction pipe 8 extends to the inside of the oil tank 1, so that hydraulic oil can be effectively guided into the oil pump 4.
The working principle is as follows: when the hydraulic station is used, because the high-speed flow of the hydraulic oil generates friction between the hydraulic oil and a pipeline, the temperature of the hydraulic oil is gradually increased, at this time, the water pump 14 and the air suction fan support frame 18 are started, the water in the water tank 28 is sucked out under the driving of the water pump 14 and is pumped into the exhaust and spray pipe 20 through the water delivery pipe 15, when the water pressure causes the pressure value set by the pressure release valve 21, the water flows into the spray head 22 through the pressure release valve 21 and is sprayed out of the spray head 22 and is sprayed on the surface of the cooling aluminum pipe 23, the high temperature of the hydraulic oil in the cooling aluminum pipe 23 is quickly absorbed through the heat absorption of the water, the suction force which is sucked outwards is generated through the rotation of the air suction fan 19, the air is quickly sucked into the cooling mechanism shell 17 from the ventilation groove 26, the hot air which is emitted by the cooling aluminum pipe 23 is quickly flowed into the cooling mechanism, the fins 24 sleeved on the cooling aluminum pipe 23 increase the contact area between the cooling aluminum pipe 23 and air, improve the heat dissipation efficiency of the hydraulic station, and avoid the problems of reduction of the working efficiency, increase of the oil consumption of the engine and acceleration of the aging of sealing elements due to overheating of hydraulic oil.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a hydraulic power unit with security, includes oil tank (1), its characterized in that: an operation table (2) is arranged above the oil tank (1), the operation table (2) is fixedly connected with the oil tank (1) through screws, a motor (3) and an oil pump (4) are arranged above the operation table (2), the motor (3) is located on one side of the oil pump (4), an integrated block (5) is arranged on one side of the motor (3), a reversing valve (6) and an overflow valve (7) are arranged above the integrated block (5), the overflow valves (7) are arranged in two numbers, the reversing valve (6) is located on one side of the overflow valve (7), an oil pump oil suction pipe (8) is installed on one side of the oil pump (4), one end of the oil pump oil suction pipe (8) is hermetically connected with the oil pump (4), the oil pump (4) is connected with the integrated block (5) through an oil pipe oil guide pump (9), and mounting seats (10) are arranged on two sides of the bottom end of the oil tank (1), and the vertical center line of the oil tank (1) between the mounting seats (10) is symmetrical, the other end of the integrated block (5) is provided with the integrated block oil delivery pipe (11), the integrated block oil delivery pipe (11) is hermetically connected with the integrated block (5), one side of the oil tank (1) is provided with the cooling mechanism (12), the cooling mechanism (12) is fixedly connected with the oil tank (1) through a screw, one side of the cooling mechanism (12) is provided with the water pump (14), the water pump (14) is positioned above the mounting seats (10), the cooling mechanism (12) is provided with the cooling mechanism shell (17), the upper end inside the cooling mechanism shell (17) is provided with the air suction fan supporting frame (18), the air suction fan (19) is arranged on the air suction fan supporting frame (18), the air suction fan (19) is provided with two air suction fans, and the vertical center line of the air suction fan supporting frame (18) between the air suction fans (19) is symmetrical, the lower end of the interior of the cooling mechanism shell (17) is provided with a water tank (28), the water outlet end of the water pump (14) is provided with a water pipe (15), one end of the water pipe (15) penetrates through and extends to the interior of the cooling mechanism shell (17), one end of the water pipe (15) is provided with a discharging spray pipe (20), a cooling aluminum pipe (23) is arranged below the discharging spray pipe (20), the two ends of the cooling aluminum pipe (23) penetrate through and extend to the outer side of the cooling mechanism shell (17), fins (24) are sleeved on the outer side of the cooling aluminum pipe (23) and are distributed among the fins (24) in sequence, the inner wall of the cooling mechanism shell (17) is provided with two drainage plates (25), the two drainage plates (25) are symmetrical with respect to the vertical center line of the cooling mechanism shell (17), and the two ends of the cooling mechanism shell (17) are provided with ventilation grooves (26), and the perpendicular center line about cooling mechanism casing (17) is symmetrical between ventilation groove (26), the internally mounted of ventilation groove (26) has waterproof baffle (27), and waterproof baffle (27) are provided with threely, and distribute in proper order between waterproof baffle (27), water feeding pipe (16) are installed to one side of cooling mechanism casing (17), and the one end of water feeding pipe (16) runs through and extends to the inside of water tank (28), install on water feeding pipe (16) and add water pipe valve (29).
2. The hydraulic pump station with safety according to claim 1, wherein: float switch support (30) are installed to the top of filler pipe (16), warning light (31) and liquid level float switch (32) are installed to the top of float switch support (30), and warning light (31) are located one side of liquid level float switch (32), the inside of water tank (28) is run through and extends to the one end of liquid level float switch (32).
3. The hydraulic pump station with safety according to claim 2, characterized in that: the liquid level float switch (32) comprises a liquid level float switch shell (33), a fixed contact (34), a movable contact (35), a magnetic block (36) and a floating ball (37), wherein the fixed contact (34) and the movable contact (35) are located at one end of the liquid level float switch shell (33), the magnetic block (36) is located at the other end of the liquid level float switch shell (33), and the floating ball (37) is located on one side of the magnetic block (36).
4. The hydraulic pump station with safety according to claim 1, wherein: through flange sealing connection between the one end of cooling aluminum pipe (23) and integrated package defeated oil pipe (11), return oil pipe (13) is installed to the other end of cooling aluminum pipe (23), and returns through flange sealing connection between oil pipe (13) and cooling aluminum pipe (23), sealing connection between the other end of return oil pipe (13) and oil tank (1).
5. The hydraulic pump station with safety according to claim 1, wherein: the lower extreme that row spouted (20) is installed relief valve (21), and relief valve (21) are provided with ten, and distribute in proper order between relief valve (21), through thread sealing connection between relief valve (21) and row spout (20), shower nozzle (22) are installed to the below of relief valve (21), and through thread sealing connection between shower nozzle (22) and relief valve (21).
6. The hydraulic pump station with safety according to claim 5, wherein: the pressure relief valve (21) comprises a valve body (38) and a valve handle (39), and the valve handle (39) is located at the front end of the valve body (38).
7. The hydraulic pump station with safety according to claim 1, wherein: the water inlet end of the water pump (14) penetrates through and extends to the inside of the water tank (28), and the water inlet end of the water pump (14) is connected with the cooling mechanism shell (17) in a sealing mode.
8. The hydraulic pump station with safety according to claim 1, wherein: the two air suction fan support frames (18) are arranged, and the air suction fan support frames (18) are fixedly connected with the cooling mechanism shell (17) through screws.
9. The hydraulic pump station with safety according to claim 1, wherein: one end of the oil pump oil guide pipe (9) is connected with the oil pump (4) in a sealing mode, and the other end of the oil pump oil guide pipe (9) is connected with the integrated block (5) in a sealing mode.
10. The hydraulic pump station with safety according to claim 1, wherein: the other end of the oil pump oil suction pipe (8) penetrates through the operating platform (2), and the other end of the oil pump oil suction pipe (8) extends into the oil tank (1).
CN201811171306.8A 2018-10-09 2018-10-09 Hydraulic power unit with security Active CN109372827B (en)

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CN110701148B (en) * 2019-10-18 2021-07-02 徐州宝美工程机械有限公司 Water evaporation type physical heat dissipation hydraulic pumping station

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