A mining hydraulic pump station

Abstract

The present invention discloses a mining hydraulic pump station, which relates to the technical field of hydraulic pump stations, including pump station equipment, wherein a hydraulic pump main body is fixedly connected to the top of the pump station equipment, and an oil suction pipe and an oil return pipe are connected in the hydraulic pump main body, and the oil suction pipe and the oil return pipe are connected with the inner cavity of the pump station equipment; by opening an overflow hole, the return oil fluid slowly enters the liquid surface of the hydraulic oil in the inner cavity of the pump station equipment. The device utilizes an annular overflow hole to open a hollow body, so that the return oil fluid forms a certain depth in the hollow body, flows out through the overflow hole, slowly flows down along the outer surface of the hollow cavity, and finally flows to the liquid surface of the hydraulic oil in the inner cavity of the pump station equipment, and contacts the hydraulic oil liquid surface in a stable state when entering the liquid surface, thereby solving the problem of direct discharge or high-speed impact oil return mode in the prior art, in which the return oil fluid impacts the hydraulic oil liquid surface, causing the hydraulic oil liquid surface to be violently disturbed and forming a large amount of foam.

Description

Technical Field

[0001] The present invention relates to the technical field of hydraulic pump stations, and in particular to a hydraulic pump station for mining. Background Art

[0002] A mining hydraulic pump station is a type of equipment specially designed for mining and mining operations. It consists of high-pressure, high-flow hydraulic components and a hydraulic system. It is mainly used to provide hydraulic power and hydraulic medium for hydraulic equipment to drive various hydraulic equipment and machinery. Mining hydraulic pump stations can be used to lift and transport oil and gas resources collected from the seabed to ensure efficient and safe operations. Therefore, they are also underwater oil and gas production equipment.

[0003] Existing mining hydraulic pumps usually have fixed filters installed in the oil return pipe. In this way, impurities and particulate matter in the return oil will accumulate on the filter under high-speed impact, blocking the mesh and gradually reducing the filtration efficiency. Once blocked, the fluid has difficulty flowing through the mesh, and the return oil flow rate will be severely restricted. In addition, the high-speed return oil directly impacts the filter, causing large impact stress on the filter. After long-term operation, it will aggravate the wear of the filter and lead to a decrease in filtration efficiency.

[0004] Existing mining hydraulic pumps usually adopt the method of inserting the pump below the liquid surface to discharge directly into the oil tank and injecting it at high speed. When this method is directly discharged into the oil tank through the pipeline, the contact area between the return oil fluid and the air will increase due to the change in flow rate and direct impact, so that air can be quickly entrained into the return oil fluid, generating a large number of bubbles. In addition, when the high-speed injection acts on the liquid surface, it will form violent fluctuations, further promoting the rupture of surface bubbles and triggering a foaming reaction, resulting in a large amount of foam accumulation. When the hydraulic oil in the oil tank generates a large amount of foam, when the hydraulic oil is sucked to drive the hydraulic equipment, it will cause damage to the hydraulic equipment and shorten its service life.

[0005] In order to solve the above problems, the inventor proposed a mining hydraulic pump station. Summary of the Invention

[0006] In order to solve the above technical problems, a mining hydraulic pump station is provided. This technical solution solves the problems raised in the above background technology.

[0007] To achieve the above objectives, the present invention can be implemented by adopting the following technical solutions:

[0008] The present invention provides a mining hydraulic pump station, comprising a pump station device, wherein a hydraulic pump body is fixedly connected to the top of the pump station device, an oil suction pipe and an oil return pipe are connected to the hydraulic pump body, and the oil suction pipe and the oil return pipe are connected to the inner cavity of the pump station device;

[0009] The filter assembly is provided below the return oil pipe, and the filter assembly includes a limit plate fixedly connected to the outer surface of the oil return pipe, the inner ring surface of the limit plate is provided with a slide groove, and the slide grooves are equidistantly arranged in an annular manner, the inner ring surface of the limit plate is fixedly connected to a fixed plate, each of the slide grooves is slidably connected to a slider, and the three sliders are jointly fixedly connected to the annular plate, the bottom of the annular plate is fixedly connected to the filter plate, the filter plate is provided with a square hole, the upper surface of the filter plate is fixedly connected to a conical guide block, the bottom of the filter plate is fixedly connected to a frame, the filter frame is slidably connected in the frame, the bottom of the filter plate is fixedly connected to a splash-proof ring plate and a spring telescopic rod, the spring telescopic rods are equidistantly arranged in an annular manner, and the four spring telescopic rods are jointly fixedly connected to a turntable, and the outer side of the turntable is fixedly connected to a gear ring.

[0010] Preferably, an oil delivery pipe and an oil outlet pipe are provided on the outer wall of the pumping station equipment, and the filter assembly also includes a bracket fixedly connected to the inner cavity of the pumping station equipment, a limiting hole is provided on the bracket, and the limiting hole is stepped, and a small gear is rotatably connected to the upper surface of the bracket, and a connecting rod is fixedly connected to the upper surface of the small gear, and a motor is fixedly connected to the top of the pumping station equipment.

[0011] Preferably, the filter plate is provided with several filter holes 1 in an equidistant ring shape, the surface of the conical guide block is set to an oleophobic material, the conical guide block is provided with several circular holes, and the bottom of the inner cavity of the filter frame is provided with several filter holes 2, and the diameter of the filter holes 2 is equal to that of the filter hole 1.

[0012] Preferably, the turntable is slidably connected to the splash-proof ring plate, the turntable is adapted to the limiting hole, and the turntable is rotatably connected to the limiting hole.

[0013] Preferably, the pinion is meshingly connected to the gear ring, the connecting rod is rotationally connected to the pump station equipment, and the connecting rod is fixedly connected to the output shaft of the motor.

[0014] Preferably, a foam removal assembly is provided below the connecting rod, and the foam removal assembly includes a reciprocating screw fixedly connected to the connecting rod, a guide rod fixedly connected to the bracket, a movable plate slidably connected to the guide rod, a fixed rod fixedly connected to the outer wall of the movable plate, two fixed rods are symmetrically provided, and the two fixed rods are commonly fixedly connected to a porous disturbance ring plate.

[0015] Preferably, the foam removal component also includes a hollow body fixedly connected to the inner cavity of the pump station equipment, the outer surface of the hollow body is provided with an overflow hole, and a plurality of the overflow holes are arranged in an annular shape at equal intervals. The inner cavity of the hollow body is fixedly connected to a buffer cone, and the buffer cone is provided with an annular groove, and a plurality of the annular grooves are arranged in an equidistant manner.

[0016] Preferably, the guide rod is fixedly connected to the inner cavity of the pump station equipment, and the movable plate is threadedly connected to the reciprocating screw.

[0017] From the above, the advantages of the present invention are:

[0018] By opening the overflow hole, the return oil fluid slowly enters the liquid surface of the hydraulic oil in the inner cavity of the pump station equipment. Compared with the direct discharge or high-speed impact oil return method adopted in the prior art, this device uses an overflow hole opened in a ring on the cavity body, so that the return oil fluid forms a certain depth in the cavity body, and then flows out through the overflow hole, slowly flows down along the outer surface of the cavity body, and finally flows to the liquid surface of the hydraulic oil in the inner cavity of the pump station equipment. The small hole overflow design has a throttling effect on the return oil flow rate, and the return oil speed is greatly slowed down. When entering the liquid surface, it contacts the hydraulic oil liquid surface in a stable state, which solves the problem of direct discharge or high-speed impact oil return method in the prior art. The return oil fluid impacts the hydraulic oil liquid surface, causing the hydraulic oil liquid surface to be violently disturbed, thereby causing a large amount of air to enter the hydraulic oil and form a large amount of foam.

[0019] By slowly moving the porous disturbance ring plate up and down, the efficiency of bubble separation is improved and foam is prevented from gathering on the liquid surface. Compared with the existing technology that uses stirring to remove foam deep in the liquid surface, this device uses the return oil fluid to gradually accumulate inside the cavity to form a certain depth, and cooperates with the hole design of the porous disturbance ring plate and the up and down reciprocating movement of the porous disturbance ring plate to bring local micro-turbulence and pressure gradient, so that small bubbles converge into large bubbles and accelerate to float up. After floating up, the bubbles are broken, which solves the problem that the existing technology uses paddle stirring to remove bubbles, generates turbulence and strong flow, and if there are many bubbles in the return oil fluid, the bubbles in the return oil fluid will be repeatedly decomposed into smaller bubbles to form foam.

[0020] The return oil fluid is diffused by the conical guide block, thereby slowing down the kinetic energy of impurity particles impacting the filter hole 1. Compared with the prior art in which a fixed filter device is directly installed inside the return oil pipe, the present device sets a conical guide block directly below the return oil pipe, and utilizes the geometric shape of the conical guide block to diffuse the return oil fluid, so that the return oil fluid is dispersed into a larger cross-sectional area, and reduces the impact speed of the return oil fluid, thereby reducing the impact on the filter hole 1 on the surface of the filter plate during the return oil fluid filtration process. This solves the problem in the prior art that the return oil fluid flow rate in the return oil pipe is too fast, thereby impacting the filter device and causing damage to the filter screen in the filter device. At the same time, it also avoids damage to the hydraulic pump station used in underwater oil production equipment due to filtration problems, and also avoids damage to high-pressure and high-flow hydraulic components and hydraulic systems.

[0021] The filter screen is rotated slowly and vibrated automatically by itself, thus reducing the probability of filter hole clogging. Compared with the prior art in which a fixed filter device is directly installed inside the return oil pipe, the present invention utilizes the slow rotation of the filter plate to prevent impurity particles from accumulating in a single position of the filter hole one and disperse the impurity particles to different parts of the filter hole one. At the same time, when filtering the return oil fluid, the filter plate itself will vibrate up and down due to the impact, thereby further peeling off impurity particles with strong adhesion and cooperating with the fixed plate so that the impurity particles peeled off the filter hole one can fall into the filter frame. The combination of slow rotation of the filter plate and up and down vibration solves the problem in the prior art that the filter screen in the fixed filter device remains stationary under the impact of the return oil fluid, resulting in the filter screen being blocked and needing to be replaced in time. In this way, the pump station equipment can operate under conditions of high flow and large impurity load, further extending the service life of high-pressure and large-flow hydraulic components and hydraulic systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front perspective schematic diagram of the overall structure shown in the present invention;

[0023] Figure 2 It is a schematic diagram of the interior of the pump station equipment shown in the present invention;

[0024] Figure 3 It is a three-dimensional schematic diagram of the limiting plate and the annular plate related components shown in the present invention;

[0025] Figure 4 It is a three-dimensional schematic diagram of the splash-proof ring plate and the turntable related components shown in the present invention;

[0026] Figure 5 This is an exploded perspective diagram of the frame and filter frame shown in the present invention;

[0027] Figure 6 It is a three-dimensional schematic diagram of the gear ring and pinion related components shown in the present invention;

[0028] Figure 7 This is an exploded perspective diagram of the limiting plate and the bracket shown in the present invention;

[0029] Figure 8 It is a three-dimensional schematic diagram of the turntable and the limiting holes and related components shown in the present invention;

[0030] Figure 9 It is a partial three-dimensional schematic diagram of the foam removal component shown in the present invention;

[0031] Figure 10 It is a three-dimensional schematic diagram of the buffer cone and the annular groove related components shown in the present invention;

[0032] Figure 11It is a three-dimensional schematic diagram of the fixing rod and the porous disturbance ring plate and related components shown in the present invention.

[0033] Wherein, the accompanying drawings in the present invention are:

[0034] 1. Pump station equipment; 2. Hydraulic pump body; 21. Oil suction pipe; 22. Oil return pipe;

[0035] Filter assembly: 31, limit plate; 32, chute; 33, fixed plate; 34, slider; 35, ring plate; 36, filter plate; 37, square hole; 38, conical guide block; 39, frame; 310, filter frame; 311, splash-proof ring plate; 312, spring telescopic rod; 313, turntable; 314, gear ring; 315, bracket; 316, limit hole; 317, pinion; 318, connecting rod; 319, motor;

[0036] Foam removal assembly: 41. reciprocating screw; 42. guide rod; 43. movable plate; 44. fixed rod; 45. porous disturbance ring plate; 46. cavity body; 47. overflow hole; 48. buffer cone; 49. annular groove. DETAILED DESCRIPTION

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0038] See Figures 1 to 11 As shown in the figure, an embodiment of the present invention is provided, and a mining hydraulic pump station is provided which will be described in detail below:

[0039] A mining hydraulic pump station, such as Figure 1 As shown, it includes a pump station device 1, the upper surface of the pump station device 1 is fixedly connected to a hydraulic pump body 2, the hydraulic pump body 2 is connected to an oil suction pipe 21 and an oil return pipe 22, and the oil suction pipe 21 and the oil return pipe 22 are connected to the inner cavity of the pump station device 1;

[0040] like Figures 2 to 8The cam 35 is a plurality of cams 36 that are connected to the oil filter 31 and the filter 36 is a plurality of cams 36 that are connected to the oil filter 31. The cam 35 is a plurality of cams 36 that are connected to the oil filter 31 and the filter 36 is a plurality of cams 36 that are connected to the oil filter 31. The cam 35 is a plurality of cams 36 that are connected to the oil filter 31 and the filter 36 is a plurality of cams 36 that are connected to the oil filter 31. The return oil fluid diffuses and weakens its kinetic energy. The filter plate 36 is fixedly connected to the frame 39 on the side away from the conical guide block 38, and the filter plate 36 corresponds to the square hole 37. A filter frame 310 is slidably connected in the frame 39. The frame 39 and the filter frame 310 are both located directly below the square hole 37. The filter plate 36 is fixedly connected to the splash-proof ring plate 311 and the spring telescopic rod 312 on the side close to the frame 39. The spring telescopic rod 312 consists of a telescopic rod and a spring sleeved on the outside of the telescopic rod. Four spring telescopic rods 312 are arranged in an annular shape at equal intervals. The spring telescopic rods 312 are located on the outside of the splash-proof ring plate 311. The four spring telescopic rods 312 are fixedly connected to a turntable 313 at one end away from the filter plate 36. The turntable 313 is located on the outside of the splash-proof ring plate 311. The side of the turntable 313 away from the splash-proof ring plate 311 is fixedly connected to a gear ring 314, and the gear ring 314 is located on the outer ring surface of the turntable 313.

[0041] Further, such as Figure 6 As shown, an oil delivery pipe and an oil outlet pipe are provided on the outer wall of the pumping station equipment 1. The oil delivery pipe and the oil outlet pipe are located on the same side of the pumping station equipment 1 and are arranged side by side. The staff delivers the hydraulic oil to the inner cavity of the pumping station equipment 1 through the oil delivery pipe, and discharges the hydraulic oil in the inner cavity of the pumping station equipment 1 through the oil outlet pipe. The filter assembly also includes a bracket 315 fixedly connected to the side wall of the inner cavity of the pumping station equipment 1. A limiting hole 316 is provided on the bracket 315. A pinion 317 is rotatably connected to the side of the bracket 315 close to the return oil pipe 22. The side of the pinion 317 away from the bracket 315 is fixedly connected to a connecting rod 318. The connecting rod 318 and the return oil pipe 22 are arranged side by side. A motor 319 is fixedly connected to the side of the pumping station equipment 1 close to the hydraulic pump body 2.

[0042] Further, such as Figure 4 and Figure 5As shown, a plurality of filter holes 1 are provided in an equidistant annular pattern on the filter plate 36. The surface of the conical guide block 38 is made of an oleophobic material, which is a polytetrafluoroethylene coating. The polytetrafluoroethylene coating has good chemical corrosion resistance and anti-stick properties, so that the return oil fluid falling on the surface of the conical guide block 38 can slide smoothly to the surface of the filter plate 36. A plurality of circular holes are provided on the conical guide block 38. A plurality of filter holes 2 are provided on the bottom surface of the inner cavity of the filter frame 310. The diameter of the filter holes 2 is equal to that of the filter holes 1. Both the filter holes 1 and the filter holes 2 are used to block impurities in the return oil fluid for filtering.

[0043] Further, such as Figure 7 and Figure 8 As shown, the turntable 313 is slidingly connected to the splash-proof ring plate 311, and the splash-proof ring plate 311 is sleeved in the turntable 313, the limiting hole 316 is stepped, the turntable 313 is adapted to the limiting hole 316, and the part of the turntable 313 away from the filter plate 36 is located inside the limiting hole 316. The turntable 313 is rotatably connected to the limiting hole 316, and the limiting hole 316 allows the turntable 313 and the gear ring 314 to rotate stably.

[0044] Further, such as Figure 6 As shown, the pinion 317 is meshed with the gear ring 314 , the end of the connecting rod 318 away from the pinion 317 is rotatably connected to the top surface of the inner cavity of the pump station equipment 1 , and the connecting rod 318 is fixedly connected to the output shaft of the motor 319 .

[0045] Further, such as Figures 9 to 11 As shown, a foam removal assembly is provided below the connecting rod 318, and the foam removal assembly includes a reciprocating screw 41 fixedly connected to the connecting rod 318, and the reciprocating screw 41 and the connecting rod 318 are located at the same axis. A guide rod 42 is fixedly connected to the side of the bracket 315 close to the reciprocating screw 41, and the guide rod 42 and the reciprocating screw 41 are arranged side by side. The outer surface of the guide rod 42 is slidably connected to a movable plate 43, and the outer wall of the movable plate 43 is fixedly connected to a fixed rod 44. Two fixed rods 44 are symmetrically provided, and the two fixed rods 44 are commonly fixedly connected to a porous disturbance ring plate 45. The porous disturbance ring plate 45 is used to disturb the return oil fluid and promote the floating of bubbles in the return oil fluid.

[0046] Further, such as Figure 10 and Figure 11As shown, the foam removal component also includes a cavity body 46 fixedly connected to the bottom surface of the inner cavity of the pump station equipment 1. The cavity body 46 is located below the splash-proof ring plate 311. An overflow hole 47 is provided on the outer surface of the cavity body 46. There are multiple overflow holes 47 arranged in an annular shape at equal distances. The overflow hole 47 is located above the porous disturbance ring plate 45. A buffer cone 48 is fixedly connected to the bottom surface of the inner cavity of the cavity body 46. The buffer cone 48 is located at the center of the bottom surface of the inner cavity of the cavity body 46. An annular groove 49 is provided on the buffer cone 48. There are multiple annular grooves 49 arranged at equal distances. The porous disturbance ring plate 45 is located in the cavity body 46.

[0047] Further, such as Figure 11 As shown, the guide rod 42 is fixedly connected to the top surface of the inner cavity of the pump station equipment 1, and the movable plate 43 is threadedly connected to the reciprocating screw rod 41.

[0048] While working:

[0049] When the mining hydraulic pump station needs to be used, the staff delivers the hydraulic oil to the inner cavity of the pump station equipment 1 through the oil pipe so that the hydraulic oil level is lower than the level of the overflow hole 47, and then connects the driving hydraulic equipment as needed, and then starts the motor 319 and the hydraulic pump body 2 in sequence;

[0050] The hydraulic pump body 2 sucks the hydraulic oil in the inner cavity of the pump station equipment 1 through the oil suction pipe 21 and delivers it to the hydraulic equipment, thereby driving the hydraulic equipment so that the hydraulic equipment can work. When the hydraulic equipment completes an action, the hydraulic oil returns to the inner cavity of the pump station equipment 1 through the oil return pipe 22. Since the hydraulic equipment usually needs to act multiple times continuously, these actions require the hydraulic pump body 2 to continuously provide new hydraulic oil and continuously recover hydraulic oil to maintain the normal operation of the hydraulic equipment;

[0051] When recycling hydraulic oil, the device can filter the hydraulic oil. The following are the detailed steps:

[0052] The return oil fluid falling from the return oil pipe 22 first impacts the conical guide block 38. Due to the shape and bottom area of ​​the conical guide block 38 being larger than the cross-sectional area of ​​the return oil pipe 22, the return oil fluid falling from the return oil pipe 22 is slowed down by the conical guide block 38, dispersing the return oil fluid over a larger cross-sectional area. When the return oil flow rate is reduced, the impact force on the subsequent filter hole 1 on the filter plate 36 and the filter hole 2 on the filter frame 310 is weakened, thereby preventing the filter holes 1 and 2 from being damaged or deformed due to the high-intensity fluid impact.

[0053] When the return oil fluid impacts the conical guide block 38, the return oil fluid flows through the conical surface of the conical guide block 38 and the circular holes opened on the surface of the conical guide block 38, and then falls on the upper surface of the filter plate 36. Since the return oil fluid falling on the surface of the filter plate 36 still has a vertical velocity, it will reciprocately impact the upper surface of the filter plate 36, causing the spring telescopic rod 312 to continuously retract and retract, thereby causing the filter plate 36 to vibrate back and forth. The reciprocating up and down vibration of the filter plate 36 generates a periodic mechanical vibration effect, which prevents impurity particles in the return oil fluid from clogging the filter holes 1 and 2, thereby ensuring the filtering effect of the filter holes 1 and 2.

[0054] When the staff starts the motor 319, the output shaft of the motor 319 rotates, and the output shaft of the motor 319 drives the connecting rod 318 and the pinion 317 to rotate together. The rotation of the pinion 317 drives the gear ring 314 meshed with the pinion 317 to rotate, and the gear ring 314 drives the rotating disk 313 and the filter plate 36 to rotate together;

[0055] Since the filter plate 36 rotates slowly, the surface of the filter hole 1 on the filter plate 36 will not be in constant contact with the impurity particles in the return oil fluid. Furthermore, during the slow rotation of the filter plate 36, the fixed plate 33 pushes the impurity particles in the return oil fluid into the interior of the filter frame 310. In this way, the impurity particles in the return oil fluid are concentrated inside the filter frame 310, making it easier for subsequent staff to remove the filter frame 310 and process the impurity particles.

[0056] In the above process, the return oil fluid is diffused by the conical guide block 38, thereby reducing the kinetic energy of the impurity particles impacting the filter hole 1. Compared with the prior art in which a fixed filter device is directly installed inside the return oil pipe 22, the present device sets a conical guide block 38 directly below the return oil pipe 22. The geometric shape of the conical guide block 38 is used to diffuse the return oil fluid, so that the return oil fluid is dispersed into a larger cross-sectional area, and the impact speed of the return oil fluid is reduced, thereby reducing the impact on the filter hole 1 on the surface of the filter plate 36 during the return oil fluid filtration process. This solves the problem in the prior art that the return oil fluid flow rate in the return oil pipe 22 is too fast, thereby impacting the filter device and causing damage to the filter screen in the filter device.

[0057] The filter plate 36 is rotated slowly and vibrated by itself during the process, thereby reducing the probability of the filter holes being clogged. Compared with the prior art in which a fixed filter device is directly installed inside the return oil pipe 22, the present device utilizes the slow rotation of the filter plate 36 to prevent impurity particles from accumulating at a single location of the filter hole 1 and disperses the impurity particles to different parts of the filter hole 1. At the same time, while filtering the return oil fluid, the filter plate 36 itself will vibrate back and forth due to the impact, thereby further peeling off impurity particles with strong adhesion and cooperating with the fixed plate 33 so that the impurity particles peeled off from the filter hole 1 can fall into the filter frame 310. The combination of the slow rotation and the up and down vibration of the filter plate 36 solves the problem in the prior art that the filter screen in the fixed filter device remains stationary under the impact of the return oil fluid, resulting in the filter screen being clogged and needing to be replaced in time. In this way, the pump station equipment 1 can operate under conditions of high flow and large impurity load.

[0058] This device can make the return oil fluid in the return oil pipe 22 slowly fall into the hydraulic oil in the inner cavity of the pump station equipment 1. The following are the detailed steps:

[0059] After the return oil fluid is filtered, it falls onto the surface of the buffer cone 48, causing radial diversion of the return oil fluid on the outer surface of the buffer cone 48. Since the buffer cone 48 is provided with an annular groove 49, when the liquid slides down the outer surface of the buffer cone 48, the annular groove 49 will capture the return oil fluid and disperse it into smaller streams, thereby further reducing the flow rate and diverting the flow.

[0060] The return oil fluid then accumulates to a certain depth in the cavity 46. At this time, the motor 319 is in operation. The output shaft of the motor 319 drives the connecting rod 318 and the reciprocating screw 41 to rotate together. During the rotation of the reciprocating screw 41, the movable plate 43 moves up and down along the outer surface of the guide rod 42, causing the fixed rod 44 and the porous disturbance ring plate 45 to move up and down along with the movable plate 43. As a result, the bubbles in the return oil fluid slowly float up under the action of the porous plate. When they reach the liquid surface, they have formed larger bubble particles. After these bubbles burst, they are less likely to form foam.

[0061] When the return oil fluid in the cavity 46 rises to the height of the overflow hole 47 , the return oil fluid overflows from the overflow hole 47 and slowly falls along the outer surface of the cavity 46 into the liquid surface of the hydraulic oil outside the cavity 46 .

[0062] In the above process, the porous disturbance ring plate 45 is slowly moved up and down to improve the efficiency of bubble separation and avoid foam accumulation on the liquid surface. Compared with the existing technology that uses stirring to remove foam deep in the liquid surface, the present device uses the return oil fluid to gradually accumulate inside the cavity 46 to form a certain depth, and cooperates with the hole design of the porous disturbance ring plate 45 and the up and down reciprocating movement of the porous disturbance ring plate 45 to bring local micro-turbulence and pressure gradient, so that small bubbles converge into large bubbles and accelerate to float up. After floating up, the bubbles are broken, which solves the problem that the existing technology uses paddle stirring to remove bubbles, generates turbulence and strong flow, and if there are many bubbles in the return oil fluid, the bubbles in the return oil fluid will be repeatedly decomposed into smaller bubbles to form foam.

[0063] In the above process, the overflow hole 47 is opened, so that the return oil fluid slowly enters the liquid surface of the hydraulic oil in the inner cavity of the pump station equipment 1. Compared with the direct discharge or high-speed impact oil return method adopted in the prior art, the present device utilizes the overflow hole 47 opened in a ring on the cavity body 46, so that the return oil fluid forms a certain depth in the cavity body 46, and then flows out through the overflow hole 47, slowly flows down along the outer surface of the cavity body 46, and finally flows to the liquid surface of the hydraulic oil in the inner cavity of the pump station equipment 1. The small hole overflow design has a throttling effect on the return oil flow rate, and the return oil speed is greatly slowed down. When entering the liquid surface, it contacts the hydraulic oil liquid surface in a stable state, which solves the problem of direct discharge or high-speed impact oil return method in the prior art. The return oil fluid impacts the hydraulic oil liquid surface, causing the hydraulic oil liquid surface to be violently disturbed, thereby causing a large amount of air to enter the hydraulic oil and form a large amount of foam.

[0064] The above descriptions are merely embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mining hydraulic pump station, comprising a pump station device (1), characterized in that: A hydraulic pump body (2) is fixedly connected to the top of the pump station equipment (1), an oil suction pipe (21) and an oil return pipe (22) are connected to the hydraulic pump body (2), and the oil suction pipe (21) and the oil return pipe (22) are connected to the inner cavity of the pump station equipment (1); A filter assembly is provided below the oil return pipe (22), and the filter assembly includes a limit plate (31) fixedly connected to the outer surface of the oil return pipe (22), the inner ring surface of the limit plate (31) is provided with a slide groove (32), and three slide grooves (32) are provided in an annular manner and are equidistantly arranged. A fixed plate (33) is fixedly connected to the inner ring surface of the limit plate (31), and a slider (34) is slidably connected in each of the slide grooves (32). The three sliders (34) are fixedly connected to an annular plate (35) in common, and a filter plate (36) is fixedly connected to the bottom of the annular plate (35). The filter plate (36) ) is provided with a square hole (37), the upper surface of the filter plate (36) is fixedly connected to a conical guide block (38), the bottom of the filter plate (36) is fixedly connected to a frame (39), a filter frame (310) is slidably connected inside the frame (39), the bottom of the filter plate (36) is fixedly connected to a splash-proof ring plate (311) and a spring telescopic rod (312), four spring telescopic rods (312) are arranged in an annular pattern at equal intervals, the four spring telescopic rods (312) are fixedly connected to a rotating disk (313), and the outer side of the rotating disk (313) is fixedly connected to a gear ring (314); The gear ring (314) drives the rotating disk (313) and the filter plate (36) to rotate together; The fixed plate (33) pushes the foreign particles in the return oil fluid into the interior of the filter frame (310).

2. A mining hydraulic pump station according to claim 1, characterized in that: An oil delivery pipe and an oil outlet pipe are provided on the outer wall of the pump station equipment (1); the filter assembly further comprises a bracket (315) fixedly connected to the inner cavity of the pump station equipment (1); a limiting hole (316) is provided on the bracket (315); the limiting hole (316) is stepped; a small gear (317) is rotatably connected to the upper surface of the bracket (315); a connecting rod (318) is fixedly connected to the upper surface of the small gear (317); and a motor (319) is fixedly connected to the top of the pump station equipment (1).

3. A mining hydraulic pump station according to claim 1, characterized in that: The filter plate (36) is provided with a plurality of filter holes 1 in an equidistant annular pattern. The surface of the conical guide block (38) is provided with an oleophobic material. The conical guide block (38) is provided with a plurality of circular holes. The bottom of the inner cavity of the filter frame (310) is provided with a plurality of filter holes 2, and the diameter of the filter holes 2 is equal to that of the filter holes 1.

4. A mining hydraulic pump station according to claim 1, characterized in that: The rotating disk (313) is slidably connected to the anti-splash ring plate (311), the rotating disk (313) is adapted to the limiting hole (316), and the rotating disk (313) is rotatably connected to the limiting hole (316).

5. A mining hydraulic pump station according to claim 2, characterized in that: The pinion (317) is meshedly connected to the gear ring (314), the connecting rod (318) is rotationally connected to the pump station equipment (1), and the connecting rod (318) is fixedly connected to the output shaft of the motor (319).

6. A mining hydraulic pump station according to claim 2, characterized in that: A foam removal assembly is provided below the connecting rod (318), and the foam removal assembly includes a reciprocating screw rod (41) fixedly connected to the connecting rod (318), a guide rod (42) fixedly connected to the bracket (315), a movable plate (43) slidably connected to the guide rod (42), a fixed rod (44) fixedly connected to the outer wall of the movable plate (43), two fixed rods (44) are symmetrically provided, and the two fixed rods (44) are fixedly connected to a porous disturbance ring plate (45) together.

7. A mining hydraulic pump station according to claim 6, characterized in that: The foam removal component also includes a cavity body (46) fixedly connected to the inner cavity of the pump station equipment (1), the outer surface of the cavity body (46) is provided with an overflow hole (47), and a plurality of the overflow holes (47) are arranged in an annular manner at equal intervals. The inner cavity of the cavity body (46) is fixedly connected to a buffer cone (48), and the buffer cone (48) is provided with an annular groove (49), and a plurality of the annular grooves (49) are arranged at equal intervals.

8. A mining hydraulic pump station according to claim 6, characterized in that: The guide rod (42) is fixedly connected to the inner cavity of the pump station equipment (1), and the movable plate (43) is threadedly connected to the reciprocating screw rod (41).

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