CN221278137U

CN221278137U - Hydraulic pump station

Info

Publication number: CN221278137U
Application number: CN202322783263.1U
Authority: CN
Inventors: 王力; 闫怀东
Original assignee: Xuli Hydraulic Co ltd
Current assignee: Xuli Hydraulic Co ltd
Filing date: 2023-10-17
Publication date: 2024-07-05
Anticipated expiration: 2033-10-17

Abstract

The utility model relates to the technical field of hydraulic pumps, and discloses a hydraulic pump station which comprises a cooling liquid tank, wherein supporting feet are symmetrically arranged at four corners of the bottom of the cooling liquid tank, and an oil tank is arranged in the middle of the top of the cooling liquid tank. The utility model has the advantages that the cooling liquid flows in the inner cavity of the concave inner cavity cooling plate to cool the surface of the oil tank, so that the temperature of hydraulic oil in the concave inner cavity cooling plate is reduced, the equipment stably runs, the working efficiency of the hydraulic pump station is improved, the circulation of the cooling liquid can be completed through the second water pump matched with the first water pump, the resource is saved, the tightness is improved, the impurities are conveniently cleaned, the filter screen blockage caused by excessive impurity accumulation is prevented, the filtering effect is ensured, the detected temperature data is transmitted to the PLC controller through the KTY84 temperature sensor, and when the temperature of the hydraulic oil is too high, the PLC controller controls the first water pump and the second water pump to start for cooling, the full-automatic operation is realized, and the practicability is improved.

Description

Hydraulic pump station

Technical Field

The utility model relates to the technical field of hydraulic pumps, in particular to a hydraulic pump station.

Background

The hydraulic pump station is a hydraulic source device composed of a hydraulic pump, a driving motor, an oil tank, a directional valve, a throttle valve, an overflow valve, etc., or a hydraulic device including a control valve. The hydraulic station is connected with the driving device (oil cylinder or motor) by an oil pipe, and the hydraulic system can realize various specified actions.

According to the search, chinese patent literature, bulletin number: CN217976786U discloses a hydraulic pump station, hydraulic oil enters the inner cavity of an oil tank through an oil inlet, the hydraulic oil is filtered layer by layer through a first filter screen, a second filter screen and a third filter screen, impurities in the hydraulic oil are reduced, oiling cost is effectively reduced, and working efficiency is improved, but the device still has defects in the use process, the filter screen is inconvenient to take out and clean, the filter screen is blocked after long-time filtering operation, the filtering effect is affected, when the hydraulic pump station is in a working state, the hydraulic oil used in the hydraulic circulation is in repeated circulation use, so that the oil temperature can be gradually increased, the oil temperature is too high to cause oxidative deterioration of the hydraulic oil, meanwhile, a valve body and other hydraulic elements are damaged, and the hydraulic pump station does not have a cooling component for the hydraulic oil in the oil tank, so that the working efficiency of the hydraulic pump station is reduced.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the hydraulic pump station, which is provided with the functions of cooling the surface of the oil tank through flowing cooling liquid in the inner cavity of the concave inner cavity cooling plate, so that the temperature of hydraulic oil in the hydraulic pump station is reduced to achieve stable operation of equipment, the working efficiency of the hydraulic pump station is improved, the circulation of the cooling liquid can be completed through the second water pump and the first water pump, resources are saved, the sealing performance is improved, impurities are conveniently cleaned, the filter screen blockage caused by excessive impurity accumulation is prevented, the filtering effect is ensured, the detected temperature data is transmitted to the PLC controller through the KTY84 temperature sensor, and when the temperature of the hydraulic oil is too high, the PLC controller controls the first water pump and the second water pump to start for cooling, so that the full-automatic operation is realized, and the practicability is improved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the hydraulic pump station comprises a cooling liquid tank, supporting feet are symmetrically arranged at four corners of the bottom of the cooling liquid tank, an oil tank is arranged in the middle of the top of the cooling liquid tank, a concave inner cavity cooling plate is arranged at the position, corresponding to the oil tank, of the top of the cooling liquid tank, a PLC (programmable logic controller) is arranged on the side edge of the top of the oil tank, an oil inlet is formed in the top of the oil tank, and an oil drain is formed in the bottom of the side face of the oil tank;

The side bottom of cooling liquid case is provided with the inlet, the side top of cooling liquid case is provided with the seal groove, the side of cooling liquid case corresponds the position of seal groove and is provided with the closing plate, the side of closing plate is provided with the handle, the another side of closing plate is provided with the filter cartridge.

Preferably, the other side of the cooling liquid tank is provided with a first water pump, the input end of the side of the first water pump is connected with the cooling liquid tank, the output end of the other side of the first water pump is provided with a first liquid discharge pipe, and one end of the first liquid discharge pipe is connected with the side surface of the concave inner cavity cooling plate.

Through above-mentioned technical scheme, take out the coolant liquid in the coolant liquid case through the input of first water pump to in transmitting the inner chamber of concave type inner chamber cooling plate with the coolant liquid through first fluid-discharge tube, because concave type inner chamber cooling plate is closely laminated with the oil tank, can cool down the oil tank surface when making the coolant liquid flow in the inner chamber of concave type inner chamber cooling plate, thereby make its inside hydraulic oil temperature decline, in order to reach equipment steady operation, improved hydraulic pump station's work efficiency.

Preferably, the side of concave inner chamber cooling plate is provided with the second water pump, the input of second water pump side is connected with concave inner chamber cooling plate, the output of second water pump another side is provided with the second fluid-discharge tube, the one end of second fluid-discharge tube is connected with the another side of coolant tank.

Through above-mentioned technical scheme, take out the coolant liquid in the concave inner chamber cooling plate inner chamber through the input of second water pump to through the inside of second fluid-discharge tube transmission coolant liquid to the coolant liquid case, the circulation of coolant liquid can be accomplished to second water pump cooperation first water pump like this, has practiced thrift the resource.

Preferably, the sealing frame is arranged at the position, corresponding to the filter box, of the other side face of the sealing plate, a sealing ring is sleeved on the whole body of the sealing frame, the sealing plate is clamped into the sealing groove through the sealing frame to be connected with the oil tank, and the sealing frame is fixed in the sealing groove through bolts.

Through above-mentioned technical scheme, utilize the inside that sealing frame card goes into the seal groove to make its closing plate and oil tank connection, and the sealing washer on the sealing frame then can prevent that the inside hydraulic oil of oil tank from oozing from the gap department that sealing frame and seal groove are connected, improved the leakproofness.

Preferably, the filter box is arranged in the oil tank, a filter screen is arranged at the bottom of the inner side of the filter box, and support bars are symmetrically arranged at the positions of the two sides of the inner side of the oil tank corresponding to the filter box.

Through above-mentioned technical scheme, after hydraulic oil gets into the inside of oil tank from the oil inlet, hydraulic oil then can fall to the inside of filter cartridge, falls to the bottom in the oil tank after the filtration of filter screen, and impurity in the hydraulic oil then can remain on the filter screen, when personnel need clear up the filter screen, take off the bolt of fixed closing plate at first, then take out the filter cartridge from the inside of oil tank through the handle, can clear up its inside impurity like this, prevent that impurity from piling up too much and leading to the filter screen to block up, guaranteed filterable effect.

Preferably, a KTY84 temperature sensor is arranged at the bottom of the other side surface inside the oil tank, and the KTY84 temperature sensor is electrically connected with the PLC.

Through above-mentioned technical scheme, detect the temperature of the inside hydraulic oil of oil tank through KTY84 temperature sensor, KTY84 temperature sensor's shell is made by 316 stainless steel, because can not rust, KTY84 temperature sensor will detect temperature data transmission to the PLC controller, when the high temperature of hydraulic oil, the PLC controller then can control first water pump and second water pump start to cool down, has realized full-automatic operation, has improved the practicality.

Compared with the prior art, the utility model provides the hydraulic pump station, which has the following beneficial effects:

1. According to the utility model, the cooling liquid in the cooling liquid tank is pumped out through the input end of the first water pump, and is conveyed into the inner cavity of the concave inner cavity cooling plate through the first liquid drain pipe, the concave inner cavity cooling plate is tightly attached to the oil tank, so that the surface of the oil tank is cooled when the cooling liquid flows in the inner cavity of the concave inner cavity cooling plate, the temperature of hydraulic oil in the inner cavity is reduced, the equipment stably runs, the working efficiency of the hydraulic pump station is improved, the cooling liquid in the inner cavity of the concave inner cavity cooling plate is pumped out through the input end of the second water pump, and the cooling liquid is conveyed into the cooling liquid tank through the second liquid drain pipe, so that the second water pump is matched with the first water pump to complete the circulation of the cooling liquid, resources are saved, the sealing plate is clamped into the sealing groove by the sealing frame to be connected with the oil tank, the sealing ring on the sealing frame can prevent the hydraulic oil in the oil tank from seeping out from the gap where the sealing frame is connected with the sealing groove, and the sealing property is improved.

2. According to the utility model, after hydraulic oil enters the oil tank from the oil inlet, the hydraulic oil falls into the filter box, the hydraulic oil falls to the bottom of the oil tank after being filtered by the filter screen, impurities in the hydraulic oil remain on the filter screen, when personnel need to clean the filter screen, firstly, the bolt for fixing the sealing plate is taken down, then the filter box is pulled out from the oil tank through the handle, impurities in the filter box can be cleaned, the filter screen is prevented from being blocked due to excessive accumulation of impurities, the filtering effect is ensured, the temperature of the hydraulic oil in the oil tank is detected through the KTY84 temperature sensor, the shell of the KTY84 temperature sensor is made of 316 stainless steel, the detected temperature data is transmitted to the PLC controller through the KTY84 temperature sensor, and when the temperature of the hydraulic oil is too high, the PLC controller controls the first water pump and the second water pump to be started for cooling, so that full-automatic operation is realized, and the practicability is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional structure of a seal groove according to the present utility model;

FIG. 3 is a schematic plan sectional view of the fuel tank of the present utility model;

Fig. 4 is a schematic perspective view of a filter cartridge according to the present utility model.

Wherein: 1. a cooling liquid tank; 2. supporting feet; 3. an oil tank; 4. a concave cavity cooling plate; 5. a first water pump; 6. a first liquid discharge pipe; 7. a second water pump; 8. a second liquid discharge pipe; 9. a PLC controller; 10. an oil inlet; 11. an oil drain port; 12. a liquid inlet; 13. sealing grooves; 14. a sealing plate; 15. a handle; 16. a sealing frame; 17. a seal ring; 18. a filter box; 19. a filter screen; 20. a support bar; 21. KTY84 temperature sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

As shown in fig. 1-4, the hydraulic pump station provided by the utility model comprises a cooling liquid tank 1, supporting legs 2 are symmetrically arranged at four corners of the bottom of the cooling liquid tank 1, an oil tank 3 is arranged in the middle of the top of the cooling liquid tank 1, a concave inner cavity cooling plate 4 is arranged at the position of the top of the cooling liquid tank 1 corresponding to the oil tank 3, a PLC (programmable logic controller) 9 is arranged on the side edge of the top of the oil tank 3, an oil inlet 10 is arranged at the top of the oil tank 3, and an oil drain 11 is arranged at the bottom of the side face of the oil tank 3;

The side bottom of cooling liquid case 1 is provided with inlet 12, and the side top of cooling liquid case 1 is provided with seal groove 13, and the side of cooling liquid case 1 corresponds seal groove 13's position and is provided with closing plate 14, and the side of closing plate 14 is provided with handle 15, and the other side of closing plate 14 is provided with filter cartridge 18.

Specifically, the other side of cooling liquid tank 1 is provided with first water pump 5, and the input of first water pump 5 side is connected with cooling liquid tank 1, and the output of first water pump 5 other side is provided with first fluid-discharge tube 6, and the one end of first fluid-discharge tube 6 is connected with the side of concave inner chamber cooling plate 4. The advantage is, take out the coolant liquid in the coolant tank 1 through the input of first water pump 5 to in conveying coolant liquid to the inner chamber of concave type inner chamber cooling plate 4 through first fluid-discharge tube 6, because concave type inner chamber cooling plate 4 closely laminates with oil tank 3, can cool down the oil tank 3 surface when making the coolant liquid flow in the inner chamber of concave type inner chamber cooling plate 4, thereby make its inside hydraulic oil temperature decline, in order to reach equipment steady operation, improved hydraulic pump station's work efficiency.

Specifically, the side of concave inner chamber cooling plate 4 is provided with second water pump 7, and the input of second water pump 7 side is connected with concave inner chamber cooling plate 4, and the output of second water pump 7 another side is provided with second fluid-discharge tube 8, and the one end of second fluid-discharge tube 8 is connected with the another side of cooling liquid tank 1. The cooling device has the advantages that the cooling liquid in the inner cavity of the concave inner cavity cooling plate 4 is pumped out through the input end of the second water pump 7, and is conveyed to the inside of the cooling liquid tank 1 through the second liquid discharge pipe 8, so that the second water pump 7 is matched with the first water pump 5, the circulation of the cooling liquid can be completed, and resources are saved.

Specifically, a sealing frame 16 is arranged on the other side surface of the sealing plate 14 corresponding to the position of the filter box 18, a sealing ring 17 is sleeved on the whole body of the sealing frame 16, the sealing plate 14 is clamped into the sealing groove 13 through the sealing frame 16 to be connected with the oil tank 3, and the sealing frame 16 is fixed in the sealing groove 13 through bolts. The sealing device has the advantages that the sealing frame 16 is clamped into the sealing groove 13 to enable the sealing plate 14 to be connected with the oil tank 3, and the sealing ring 17 on the sealing frame 16 can prevent hydraulic oil in the oil tank 3 from seeping out from a gap where the sealing frame 16 is connected with the sealing groove 13, so that the sealing performance is improved.

Embodiment two:

As shown in fig. 1-4, as an improvement over the previous embodiment. Specifically, the filter box 18 is arranged in the oil tank 3, the filter screen 19 is arranged at the bottom of the inner side of the filter box 18, and the support bars 20 are symmetrically arranged at the two inner side surfaces of the oil tank 3 corresponding to the position of the filter box 18. The advantage is, after hydraulic oil gets into the inside of oil tank 3 from the oil inlet 10, hydraulic oil then can fall to the inside of filter cartridge 18, falls to the bottom in the oil tank 3 after the filtration of filter screen 19, and the impurity in the hydraulic oil then can remain on filter screen 19, when personnel need clear up filter screen 19, take off the bolt of fixed closing plate 14 at first, then take out the filter cartridge 18 from the inside of oil tank 3 through handle 15, can clear up the impurity of its inside like this, prevent that the impurity from piling up too much and leading to filter screen 19 to block up, guaranteed the effect of filtration.

Specifically, a KTY84 temperature sensor 21 is arranged at the bottom of the other side surface inside the oil tank 3, and the KTY84 temperature sensor 21 is electrically connected with the PLC controller 9. The advantage is, detect the temperature of the inside hydraulic oil of oil tank 3 through KTY84 temperature sensor 21, KTY84 temperature sensor 21's shell is made by 316 stainless steel, because can not rust, KTY84 temperature sensor 21 will detect temperature data transmission to PLC controller 9, when the high temperature of hydraulic oil, PLC controller 9 then can control first water pump 5 and second water pump 7 start to cool down, has realized full-automatic operation, has improved the practicality.

When the hydraulic oil enters the inside of the oil tank 3 from the oil inlet 10, hydraulic oil can fall to the inside of the filter box 18, the filter screen 19 filters the hydraulic oil and then falls to the bottom in the oil tank 3, impurities in the hydraulic oil can remain on the filter screen 19, when personnel need clear up the filter screen 19, firstly, the bolt of the fixed sealing plate 14 is taken down, then the filter box 18 is pumped out from the inside of the oil tank 3 through the handle 15, impurities in the hydraulic oil can be cleared up, the KTY84 temperature sensor 21 detects the temperature of the hydraulic oil in the oil tank 3 when the inside of the oil tank 3 is stored, the shell of the KTY84 temperature sensor 21 is made of 316 stainless steel, the KTY84 temperature sensor 21 transmits detected temperature data to the PLC controller 9, when the temperature of the hydraulic oil is too high, the PLC controller 9 can control the first water pump 5 and the second water pump 7 to start, the cooling liquid in the cooling liquid tank 1 is pumped out through the input end of the first water pump 5, and the cooling liquid is transmitted to the inner cavity 4 through the first liquid drain pipe 6, the cooling liquid is conveyed to the cooling liquid in the inner cavity 4 through the first liquid drain pipe 4, and the cooling liquid is pumped down to the cooling liquid cavity 4 through the cooling liquid pump 7, and the cooling liquid in the cooling liquid tank 4 is cooled down through the inner cavity 4, and the cooling liquid is cooled down in the inner cavity 4 is cooled down by the cooling liquid tank 4, and the cooling liquid is cooled down in the inner cavity 4 is cooled down by the inner cavity 4, and the cooling liquid is cooled down in the inner cavity 4.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic power unit, includes cooling liquid tank (1), its characterized in that: support legs (2) are symmetrically arranged at four corners of the bottom of the cooling liquid tank (1), an oil tank (3) is arranged in the middle of the top of the cooling liquid tank (1), a concave inner cavity cooling plate (4) is arranged at the position, corresponding to the oil tank (3), of the top of the cooling liquid tank (1), a PLC (programmable logic controller) controller (9) is arranged on the side edge of the top of the oil tank (3), an oil inlet (10) is formed in the top of the oil tank (3), and an oil outlet (11) is formed in the bottom of the side face of the oil tank (3);

The cooling liquid box is characterized in that a liquid inlet (12) is formed in the bottom of the side face of the cooling liquid box (1), a sealing groove (13) is formed in the top of the side face of the cooling liquid box (1), a sealing plate (14) is arranged at the position, corresponding to the sealing groove (13), of the side face of the cooling liquid box (1), a handle (15) is arranged on the side face of the sealing plate (14), and a filter box (18) is arranged on the other side face of the sealing plate (14);

the cooling liquid box is characterized in that a first water pump (5) is arranged on the other side face of the cooling liquid box (1), the input end of the side face of the first water pump (5) is connected with the cooling liquid box (1), a first liquid discharge pipe (6) is arranged at the output end of the other side face of the first water pump (5), and one end of the first liquid discharge pipe (6) is connected with the side face of the concave inner cavity cooling plate (4); the side of concave inner chamber cooling plate (4) is provided with second water pump (7), the input of second water pump (7) side is connected with concave inner chamber cooling plate (4), the output of second water pump (7) another side is provided with second fluid-discharge tube (8), the one end of second fluid-discharge tube (8) is connected with the another side of cooling liquid tank (1).

2. The hydraulic pump station of claim 1, wherein: the sealing device is characterized in that a sealing frame (16) is arranged at the other side face of the sealing plate (14) corresponding to the position of the filter box (18), a sealing ring (17) is sleeved on the whole body of the sealing frame (16), the sealing plate (14) is clamped into the sealing groove (13) through the sealing frame (16) to be connected with the oil tank (3), and the sealing frame (16) is fixed in the sealing groove (13) through bolts.

3. The hydraulic pump station of claim 1, wherein: the filter box (18) is arranged in the oil tank (3), a filter screen (19) is arranged at the bottom of the inner side of the filter box (18), and support bars (20) are symmetrically arranged at the two sides of the inner side of the oil tank (3) corresponding to the positions of the filter box (18).

4. The hydraulic pump station of claim 1, wherein: the bottom of the other side surface inside the oil tank (3) is provided with a KTY84 temperature sensor (21), and the KTY84 temperature sensor (21) is electrically connected with a PLC (programmable logic controller) 9.