Mining hydraulic submersible pump

Abstract

The utility model discloses a mining hydraulic submersible pump, and belongs to the field of fluid pumps. Comprising a first shell, and a hydraulic driving cavity, a bearing cavity and a water pump cavity which are separated from one another are arranged in the first shell from top to bottom; a hydraulic motor is rotatably arranged in the hydraulic driving cavity, the hydraulic motor comprises a turbine shaft, a turbine and a hydraulic driving rotor, and the turbine and the hydraulic driving rotor are installed on the turbine shaft; a water pump shaft is rotatably mounted in the water pump chamber; a rotary blade is mounted at the bottom end of the water pump shaft; the water pump shaft extends upwards into the bearing cavity and is provided with a driven rotor; the driven rotor and the hydraulic driving rotor form a magnetic coupler; the hydraulic motor drives the rotary blade in the water pump chamber to rotate; the mining hydraulic submersible pump is mainly used for drainage of a fully mechanized coal mining face and an emulsion pump station in a matched mode. The mining hydraulic submersible pump does not use electricity, so that hidden dangers such as electric leakage and explosion are avoided; the hydraulic motor transmits power through the magnetic coupler, and leakage of emulsion in the hydraulic driving cavity can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid pump field, especially relates to a mine hydraulic submersible pump. BACKGROUND

[0002] The submersible pump is an important equipment of deep well water lifting, and the whole unit is submerged in water to work when being used, and underground water is lifted to the ground, and is widely applied to the fields of domestic water, mine rescue, industrial cooling, farmland irrigation, seawater lifting, ship load adjustment and the like. SUMMARY

[0003] The utility model discloses a kind of mine hydraulic submersible pumps, is a hydraulic drive submersible pump.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] The utility model provides a kind of mine hydraulic submersible pump, including first shell, the first shell inside is from top to bottom and is set apart liquid force drive chamber, bearing chamber, water pump chamber;Rotatably set hydraulic motor in the liquid force drive chamber, the hydraulic motor includes turbine shaft, turbine, liquid force drive rotor, the turbine and liquid force drive rotor are installed on turbine shaft;Rotatably install water pump shaft in the water pump chamber, water pump shaft bottom end installs rotary vane;Water pump shaft is inserted into bearing chamber upwards, and installs driven rotor;Driven rotor and liquid force drive rotor constitute magnetic coupler;Rotary vane in the water pump chamber is driven by hydraulic motor.

[0006] Further, the side of the liquid force drive chamber is provided with a first liquid inlet, a rotating shaft rotating support through hole is arranged at the top center of the liquid force drive chamber, and a first liquid outlet flow limiting hole is arranged at the top of the liquid force drive chamber;A first liquid outlet shell cover is mounted on the top surface of the first shell;The rotating shaft rotating support through hole and the first liquid outlet flow limiting hole are located in the first liquid outlet shell cover;A first liquid outlet is arranged at the top of the first liquid outlet shell cover.

[0007] Further, the liquid force drive chamber and the bearing chamber are separated by a first partition plate, the first partition plate is provided with a protruding first support table on the surface in the liquid force drive chamber, and a first bearing is sleeved on the first support table;The turbine shaft is coaxially arranged with the first support table, the bottom surface of the turbine shaft is in contact with the top surface of the first support table, and the top end of the turbine shaft is rotatably connected in the rotating shaft rotating support through hole;The turbine is located above the liquid force drive rotor, and the first liquid inlet faces the turbine;A through hole is arranged at the center of the liquid force drive rotor for passing through the turbine shaft;A bearing groove is formed at the center of the bottom surface of the liquid force drive rotor, and the liquid force drive rotor is connected with the outer rotating ring of the first bearing.

[0008] In a possible design, the top surface of the first support table is provided with an alloy fixed block, and the bottom surface of the turbine shaft is provided with an alloy movable block; the alloy movable block on the bottom surface of the turbine shaft is in contact with the alloy fixed block on the top surface of the first support table.

[0009] In a possible design, the top end of the turbine shaft is provided with a movable alloy sleeve, and the movable alloy sleeve rotates with the turbine shaft; a static alloy sleeve is arranged in the rotating shaft rotating support through hole, and the movable alloy sleeve and the static alloy sleeve are in the shape of a circular tube; the outer surface of the movable alloy sleeve is in contact with the inner surface of the static alloy sleeve.

[0010] Further, the bearing chamber and the water pump chamber are separated by a second partition plate, the second partition plate is provided with a shaft passing hole, the upper surface of the second partition plate is provided with a second bearing, the second bearing is coaxially arranged with the shaft passing hole, the water pump shaft is coaxially arranged with the turbine shaft in the bearing chamber, and the water pump shaft passes through the second bearing and the shaft passing hole and enters the water pump chamber.

[0011] In a possible design, the lower surface of the second partition plate and the lower side of the shaft passing hole are provided with a mechanical seal, the water pump shaft passes through the mechanical seal, and the water pump shaft is rotatably connected with the mechanical seal.

[0012] In a possible design, the water pump chamber is divided into an upper chamber and a lower chamber, the two chambers are communicated, the rotating vane is arranged in the lower chamber, the water outlet of the water pump is arranged on one side of the lower chamber, and the water inlet hole is arranged on the side surface of the upper chamber.

[0013] In a possible design, the first shell is assembled by a hydraulic drive upper end cover, a hydraulic drive shell, a first intermediate connecting cover, a bearing shell, a second intermediate connecting cover, a water pump shell and a water pump bottom plate; the top of the hydraulic drive shell is provided with the hydraulic drive upper end cover through bolt mounting, the top surface of the hydraulic drive upper end cover is provided with the first liquid outlet shell cover through bolt mounting; the inside of the hydraulic drive shell is provided with the fourth partition plate, the fourth partition plate separates the inside of the hydraulic drive shell into an upper hydraulic drive chamber and a lower driven rotor chamber; the hydraulic motor is rotatably arranged in the hydraulic drive chamber; the driven rotor is arranged in the driven rotor chamber; the hydraulic drive shell and the bearing shell are sealingly connected through the first intermediate connecting cover; the bearing shell and the water pump shell are connected through the second intermediate connecting cover; and the water pump shell is provided with the water pump bottom plate at the bottom.

[0014] In a possible design, the lower surface of the second intermediate connecting cover is formed with a circular fourth convex platform protruding downward; the fourth convex platform is inserted into the upper opening of the water pump shell to close the upper opening of the water pump shell; an oil seal shell is arranged in the center of the fourth convex platform; an oil chamber is formed in the oil seal shell, and the oil chamber stores sealing oil.

[0015] The utility model discloses a beneficial effect lies in: the utility model provides a mine liquid diving pump, this mine liquid diving pump is mainly used for coal mine fully mechanized working surface and emulsion pump station matched drainage, the mine liquid diving pump does not need electricity, avoids the hidden danger such as electric leakage, explosion failure, can be connected with excavator, loader, hydraulic pump station and other hydraulic power source and uses, in the application, hydraulic motor passes through magnetic coupler transmission power, can avoid emulsion leakage in the hydraulic drive chamber. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 As shown is the structure schematic drawing of the mine liquid diving pump provided by the embodiment 1 of the application.

[0017] Figure 2 As shown is the enlarged view of the structure at alloy fixed block and alloy movable block in the embodiment 1 of the application.

[0018] Figure 3 As shown is the enlarged view of the structure at movable alloy cover and static alloy cover in the embodiment 1 of the application.

[0019] Figure 4 As shown is the structure schematic drawing of the mine liquid diving pump provided by the embodiment 2 of the application.

[0020] Figure 5 As shown is the structure schematic drawing of the mine liquid diving pump provided by the embodiment 3 of the application.

[0021] Figure 6 As shown is the structure explosion view of Figure 5 .

[0022] Figure 7 As shown is the local structure display drawing of the hydraulic drive upper end cover in the embodiment 3 of the application.

[0023] Figure 8 As shown is the connection structure display drawing of the first intermediate connecting cover in the embodiment 3 of the application.

[0024] Figure 9 As shown is the connection structure display drawing of the second intermediate connecting cover in the embodiment 3 of the application.

[0025] Figure 10 As shown is the real object drawing of the application.

[0026] Explanation of reference signs: first housing 1, hydraulic drive chamber 2, bearing chamber 3, water pump chamber 4, first liquid inlet 5, rotating shaft rotating support through hole 6, first liquid outlet flow limiting hole 7, first liquid outlet shell 8, first liquid outlet 9, first partition plate 10, first support table 11, first bearing 12, hydraulic motor 13, turbine shaft 14, turbine 15, hydraulic drive rotor 16, second partition plate 17, through shaft through hole 18, second bearing 19, driven rotor 21, rotating blade 22, water pump water outlet 23, water inlet hole 24, mechanical seal 25, alloy fixed block 26, alloy movable block 27, movable alloy sleeve 28, static alloy sleeve 29, third partition plate 30, hydraulic drive upper end cover 31, hydraulic drive shell 32, first intermediate connecting cover 33, bearing shell 34, second intermediate connecting cover 35, water pump shell 36, water pump bottom plate 37, fourth partition plate 38, driven rotor chamber 39, first sealing groove 40, first sealing strip 41, second sealing groove 42, second sealing strip 43, first boss 44, first flange 45, second flange 46, first bearing clamping groove 47, third sealing groove 48, third sealing strip 49, fourth sealing groove 50, fourth sealing strip 51, third flange 52, second bearing clamping groove 53, bearing gland 54, fifth sealing groove 55, fifth sealing strip 56, fourth boss 57, oil seal shell 58. DETAILED DESCRIPTION

[0027] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as limiting the present application.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, the terms "first", "second" are only used for descriptive purpose and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0030] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] Example 1

[0032] Referring to Figure 1 The structure schematic diagram of the mining hydraulic submersible pump provided by the embodiment 1 of the application is shown. In the embodiment, the mining hydraulic submersible pump comprises a first shell 1, the first shell 1 is in a whole cylindrical shape, the inside of the first shell 1 is provided with a hydraulic drive chamber 2, a bearing chamber 3 and a water pump chamber 4 from top to bottom; the left side of the hydraulic drive chamber 2 is provided with a first liquid inlet 5, the top center of the hydraulic drive chamber 2 is provided with a shaft rotating support through hole 6, the top of the hydraulic drive chamber 2 and the right side of the shaft rotating support through hole 6 are provided with a first liquid outlet flow limiting hole 7; the top surface of the first shell 1 is installed with a first liquid outlet shell cover 8; Figure 1 In the shown embodiment, the first liquid outlet shell cover 8 is in a funnel shape, the shaft rotating support through hole 6 and the first liquid outlet flow limiting hole 7 are located in the first liquid outlet shell cover 8; the top of the first liquid outlet shell cover 8 is provided with a first liquid outlet 9.

[0033] As Figure 1 , Figure 2As shown, the hydraulic drive chamber 2 is located above the bearing chamber 3, and the two are separated by the first partition plate 10; the surface of the first partition plate 10 in the hydraulic drive chamber 2 is provided with a protruding first support platform 11, which is in the shape of a cylinder, and the first support platform 11 is sleeved with the first bearing 12; the hydraulic motor 13 is rotatably arranged in the hydraulic drive chamber 2; the hydraulic motor 13 comprises a turbine shaft 14, a turbine 15, and a hydraulic drive rotor 16; the turbine shaft 14 is coaxially arranged with the first support platform 11, the bottom surface of the turbine shaft 14 contacts the top surface of the first support platform 11, and the top end of the turbine shaft 14 is rotatably connected in the rotating support through hole 6 of the rotating shaft. The turbine 15 and the hydraulic drive rotor 16 are sleeved on the turbine shaft 14; the turbine 15 and the hydraulic drive rotor 16 rotate together with the turbine shaft 14; the turbine 15 is located above the hydraulic drive rotor 16, and the first liquid inlet 5 faces the turbine 15; the hydraulic drive rotor 16 is centrally provided with a through hole for passing through the turbine shaft 14; the bottom surface of the hydraulic drive rotor 16 is centrally formed with a bearing groove, and the hydraulic drive rotor 16 is connected with the outer rotating ring of the first bearing 12.

[0034] The bearing chamber 3 and the water pump chamber 4 are separated by the second partition plate 17, and the second partition plate 17 is provided with a shaft passing through hole 18; the second partition plate 17 is provided with a second bearing 19 on the upper surface, and the second bearing 19 is coaxially arranged with the shaft passing through hole 18; the water pump shaft 20 is arranged in the bearing chamber 3, and the water pump shaft 20 is coaxially arranged with the turbine shaft 14; the water pump shaft 20 passes through the second bearing 19 and the shaft passing through hole 18 to enter the water pump chamber 4; the driven rotor 21 is sleeved on the water pump shaft 20 in the bearing chamber 3, and the driven rotor 21 rotates together with the water pump shaft 20. As shown in Figure 1 The driven rotor 21 and the hydraulic drive rotor 16 are located on both sides of the first partition plate 10, and the two constitute a magnetic coupler; the hydraulic drive rotor 16 drives the driven rotor 21 to rotate, and further drives the water pump shaft 20 to rotate.

[0035] As shown in Figure 1 The water pump chamber 4 is further divided into two chambers, and the two chambers are connected in the middle; the rotating blade 22 is installed in the lower chamber, and the water pump outlet 23 is arranged on the right side of the lower chamber; the water inlet holes 24 are arranged on the side surface of the upper chamber. Figure 1 As shown in the embodiment, the water pump chamber 4 is further divided into two chambers, and the two chambers are connected in the middle; the rotating blade 22 is installed in the lower chamber, and the water pump outlet 23 is arranged on the right side of the lower chamber; the water inlet holes 24 are arranged on the side surface of the upper chamber.

[0036] The working principle of the mine hydraulic submersible pump is as follows: a coal mine generally has a hydraulic pump station, a liquid conveying pipeline and a liquid return pipeline are arranged underground, and the hydraulic pump station provides liquid (emulsion) with a certain pressure to the underground. The first liquid inlet 5 of the mine hydraulic submersible pump is connected to the liquid conveying pipeline through a liquid inlet pipeline, and the first liquid outlet 9 of the mine hydraulic submersible pump is connected to the liquid return pipeline through a liquid outlet pipeline; the water pump water outlet 23 is connected to a liquid discharge pipeline, and the water outlet of the liquid discharge pipeline can be arranged on the ground. The mine hydraulic submersible pump is placed in water, the liquid with a certain pressure provided by the hydraulic pump station is pumped into the liquid drive chamber 2 from the first liquid inlet 5, the liquid drives the hydraulic motor 13 to rotate, then the liquid is discharged from the first liquid outlet 7 of the liquid drive chamber 2 into the first liquid outlet casing 8, and is discharged from the first liquid outlet casing 8 to return to the liquid return pipeline, and finally the liquid returns to the pump station for re-pressurization; the hydraulic motor 13 transmits power through the magnetic coupler to drive the rotating vane 22 in the water pump chamber 4 to rotate; water enters the water pump chamber 4 from the water inlet hole 24 on the side of the water pump chamber 4, and is discharged from the water pump water outlet 23. A valve can be arranged on the liquid inlet pipeline to control the operation or stop of the mine hydraulic submersible pump.

[0037] The mine hydraulic submersible pump of the present application is mainly used for drainage of fully mechanized working face of a coal mine and emulsion pump station. The mine hydraulic submersible pump of the present application does not need electricity, thereby avoiding hidden dangers such as electric leakage and explosion failure; and can be connected and used with hydraulic power sources such as excavators, loaders and hydraulic pump stations. In the present application, the hydraulic motor 13 transmits power through the magnetic coupler, thereby avoiding leakage of emulsion in the liquid drive chamber 2.

[0038] As shown in Figure 1 In one specific embodiment of the present application, a mechanical seal 25 is arranged below the lower surface of the second partition plate 17 and below the through shaft hole 18, the water pump shaft 20 passes through the mechanical seal 25, and the water pump shaft 20 is rotatably and sealingly connected with the mechanical seal 25. The mechanical seal 25 can prevent the liquid in the water pump chamber 4 from entering the bearing chamber 3, thereby protecting the second bearing 19 and the driven rotor 21 in the bearing chamber 3.

[0039] As shown in Figure 1 , Figure 2 In one specific embodiment of the present application, an alloy fixed block 26 is arranged on the top surface of the first support table 11, and an alloy movable block 27 is arranged on the bottom surface of the turbine shaft 14; the alloy movable block 27 on the bottom surface of the turbine shaft 14 is in contact with the alloy fixed block 26 on the top surface of the first support table 11. Figure 2The alloy fixed block 26 and the alloy movable block 27 are made of wear-resistant materials. In an embodiment of the present application, the alloy fixed block 26 and the alloy movable block 27 are composed of cobalt and uranium, and have a density of 14.6, a hardness of 89, and a TRS bending strength of 2100. In the present application, the mirror surfaces of the alloy fixed block 26 and the alloy movable block 27 are opposite to each other, which can greatly reduce the axial stress of the first bearing 12 and prolong the service life of the first bearing 12.

[0040] As shown in Figure 1 , Figure 3 shown, in an embodiment of the present application, the top end of the turbine shaft 14 is provided with a movable alloy sleeve 28, which rotates with the turbine shaft 14; a static alloy sleeve 29 is arranged in the rotating shaft rotating support through hole 6, and the movable alloy sleeve 28 and the static alloy sleeve 29 are circular tubes, and the outer surface of the movable alloy sleeve 28 contacts the inner surface of the static alloy sleeve 29. As shown in Figure 3 , it is an enlarged view of the structure of the movable alloy sleeve 28 and the static alloy sleeve 29 in the embodiment 1 of the present application. The movable alloy sleeve 28 and the static alloy sleeve 29 are made of the same wear-resistant materials as the alloy fixed block 26 and the alloy movable block 27. Compared with installing a bearing in the rotating shaft rotating support through hole 6, the movable alloy sleeve 28 and the static alloy sleeve 29 can also increase the wear-resistant life.

[0041] Embodiment 2

[0042] As shown in Figure 4 , it is a structural schematic diagram of a mine hydraulic submersible pump provided by the embodiment 2 of the present application. Compared with the structure in the embodiment 1, in this embodiment, the bearing chamber 3 is further divided into two chambers by a third partition plate 30, a through hole is arranged on the third partition plate 30 so that the water pump shaft 20 can pass through, the driven rotor 21 is arranged on the water pump shaft 20 in the chamber above the third partition plate 30; two second bearings 19 are arranged in the chamber below the third partition plate 30, one second bearing 19 is arranged on the upper surface of the second partition plate 17, and one second bearing 19 is arranged on the lower surface of the third partition plate 30, the water pump shaft 20 passes through the third partition plate 30, the two second bearings 19 and the second partition plate 17 and extends into the water pump chamber 4.

[0043] Embodiment 3

[0044] As shown in Figure 5 , it is a structural schematic diagram of a mine hydraulic submersible pump provided by the embodiment 3 of the present application.

[0045] Figure 6 As shown in Figure 5 , it is an exploded view of the structure.

[0046] As shown in Figure 5 ,Figure 6 , Figure 7 As shown, the first housing 1 is assembled from a hydraulic drive upper cover 31, a hydraulic drive shell 32, a first intermediate connecting cover 33, a bearing shell 34, a second intermediate connecting cover 35, a water pump shell 36, and a water pump base plate 37. As shown, a fourth partition 38 is provided inside the hydraulic drive shell 32, which divides the interior of the hydraulic drive shell 32 into an upper hydraulic drive chamber 2 and a lower driven rotor chamber 39. A protruding first support platform 11 is provided on the surface of the fourth partition 38 located inside the hydraulic drive chamber 2. The first support platform 11 is cylindrical, and a first bearing 12 is fitted over the first support platform 11. An alloy block 26 is embedded in the top surface of the first support platform 11. A first liquid inlet 5 is provided on the left side of the hydraulic drive chamber 2. The top of the hydraulic drive housing 32 is connected to the hydraulic drive upper end cover 31 by bolts. The hydraulic drive upper end cover 31 is used to close the top opening of the hydraulic drive housing 32. The hydraulic drive upper end cover 31 is provided with a rotating shaft support through hole 6 in the center. A static alloy sleeve 29 is embedded in the rotating shaft support through hole 6. A first liquid outlet limiting hole 7 is provided on the right side of the rotating shaft support through hole 6. A first liquid outlet cover 8 is installed on the top surface of the hydraulic drive upper end cover 31 by bolts. The first liquid outlet cover 8 is funnel-shaped. The rotating shaft support through hole 6 and the first liquid outlet limiting hole 7 are located inside the first liquid outlet cover 8. A first liquid outlet 9 is provided at the top of the first liquid outlet cover 8.

[0047] To ensure the airtight connection between the hydraulic drive upper cover 31, the hydraulic drive housing 32, and the first liquid outlet cover 8, this embodiment provides a sealing structure design scheme. For example... Figure 7 The diagram shows a partial structural view of the hydraulically driven upper cover 31 in Embodiment 3 of this application. An annular first sealing groove 40 is formed on the top surface of the hydraulically driven upper cover 31, and a first sealing strip 41 is installed within the first sealing groove 40. The bottom surface of the first liquid outlet cover 8 presses against the first sealing groove 40, thereby achieving a sealed connection between the hydraulically driven upper cover 31 and the first liquid outlet cover 8. An annular second sealing groove 42 is formed on the inner edge of the top of the hydraulically driven housing 32, and a second sealing strip 43 is installed within the second sealing groove 42. A first protrusion 44 is formed on the bottom surface of the hydraulically driven upper cover 31, and the first protrusion 44 is inserted into the top opening of the hydraulically driven housing 32, with the edge of the first protrusion 44 sealing the second sealing groove 42. The second sealing strip 43 achieves a sealed connection between the hydraulically driven upper cover 31 and the hydraulically driven housing 32.

[0048] The hydraulic drive chamber 2 is rotatably provided with a hydraulic motor 13; the hydraulic motor 13 comprises a turbine shaft 14, a turbine 15, and a hydraulic drive rotor 16; the turbine shaft 14 is coaxially arranged with the first support platform 11; the bottom surface of the turbine shaft 14 is inlaid with an alloy movable block 27; the alloy movable block 27 is in contact with an alloy fixed block 26 on the top surface of the first support platform 11; the top end of the turbine shaft 14 is inlaid with a circular tubular movable alloy sleeve 28, which is inserted into a static alloy sleeve 29 in the rotating shaft rotating support through hole 6. The turbine 15 and the hydraulic drive rotor 16 are arranged on the turbine shaft 14; the turbine 15 and the hydraulic drive rotor 16 rotate together with the turbine shaft 14; the turbine 15 is located above the hydraulic drive rotor 16, and the first liquid inlet 5 is directed towards the turbine 15; the hydraulic drive rotor 16 is centrally provided with a through hole for passing through the turbine shaft 14; the bottom surface of the hydraulic drive rotor 16 is centrally formed with a bearing groove, and the hydraulic drive rotor 16 is connected with the outer rotating ring of the first bearing 12.

[0049] As shown in Figure 5 , the hydraulic drive shell 32 and the bearing shell 34 are connected through the first intermediate connecting cover 33. As shown in Figure 8 , the first intermediate connecting cover 33 is connected to the first intermediate connecting cover 33. The upper surface of the first intermediate connecting cover 33 is formed with an annular upward protruding first flange 45, and the lower surface of the first intermediate connecting cover 33 is formed with an annular downward protruding second flange 46; the lower surface of the first intermediate connecting cover 33 is centrally formed with an annular downward protruding first bearing clamping groove 47, and the first bearing clamping groove 47 is installed with the second bearing 19; the first intermediate connecting cover 33 is centrally provided with a through hole, which is located in the first bearing clamping groove 47.

[0050] As shown in Figure 8 , the outer side of the hydraulic drive shell 32, the first intermediate connecting cover 33, and the bearing shell 34 forms an annular connecting part, which are stacked together and connected together by bolts. The inner edge of the bottom of the hydraulic drive shell 32 is formed with an annular third sealing groove 48, and the third sealing groove 48 is installed with a third sealing strip 49; the first flange 45 on the upper surface of the first intermediate connecting cover 33 is inserted into the opening at the bottom of the hydraulic drive shell 32, and the first flange 45 closes the third sealing groove 48. The third sealing strip 49 realizes the sealed connection between the hydraulic drive shell 32 and the first intermediate connecting cover 33.

[0051] The inner edge of the top of the bearing shell 34 is formed with an annular fourth sealing groove 50, and the fourth sealing groove 50 is installed with a fourth sealing strip 51; the second flange 46 on the lower surface of the first intermediate connecting cover 33 is inserted into the opening at the top of the bearing shell 34, and the second flange 46 closes the fourth sealing groove 50. The fourth sealing strip 51 realizes the sealed connection between the bearing shell 34 and the first intermediate connecting cover 33.

[0052] As shown in Figure 5As shown, the bearing shell 34 forms a bearing chamber 3, the bearing shell 34 is centrally rotatably mounted with the water pump shaft 20, the water pump shaft 20 top passes through the second bearing 19 installed in the first bearing clamping groove 47, and the through hole in the middle of the first intermediate connecting cover 33 extends into the driven rotor chamber 39; the driven rotor 21 is installed in the driven rotor chamber 39, and the top of the water pump shaft 20. The driven rotor 21 and the hydraulic drive rotor 16 form a magnetic coupler; the hydraulic drive rotor 16 drives the driven rotor 21 to rotate, thereby driving the water pump shaft 20 to rotate.

[0053] As shown in Figure 5 The bearing shell 34 and the water pump shell 36 are connected through the second intermediate connecting cover 35; the outer edges of the bearing shell 34, the water pump shell 36, and the second intermediate connecting cover 35 are overlapped and connected by bolts. Figure 9 As shown in Figure 9 The upper surface of the second intermediate connecting cover 35 forms an annular, upwardly protruding third flange 52, and the central upper surface of the second intermediate connecting cover 35 forms an annular, upwardly protruding second bearing clamping groove 53. The second bearing clamping groove 53 is installed with the second bearing 19, and a through hole is provided in the second bearing clamping groove 53 to allow the water pump shaft 20 to pass through. The top surface of the second bearing clamping groove 53 is provided with a circular ring-shaped bearing gland 54, which limits the upward and downward movement of the second bearing 19 in the second bearing clamping groove 53.

[0054] The inner edge of the bottom of the bearing shell 34 forms an annular fifth sealing groove 55, and the fifth sealing groove 55 is installed with a fifth sealing strip 56; the third flange 52 of the upper surface of the second intermediate connecting cover 35 is inserted into the opening at the bottom of the bearing shell 34, and the third flange 52 seals the fifth sealing groove 55. The fifth sealing strip 56 realizes the sealed connection between the bearing shell 34 and the second intermediate connecting cover 35.

[0055] The lower surface of the second intermediate connecting cover 35 forms a circular, downwardly protruding fourth boss 57; the fourth boss 57 is inserted into the upper opening of the water pump shell 36 to seal the upper opening of the water pump shell 36; an oil seal shell 58 is installed in the center of the fourth boss 57; an oil chamber is formed in the oil seal shell 58, and the oil chamber stores sealing oil.

[0056] As shown in Figure 9As shown, the water pump shaft 20 bottom passes through the second bearing 19 installed in the second bearing slot 53, the through hole in the middle of the second intermediate connecting cover 35, and the oil seal shell 58 extending into the water pump shell 36 in sequence. The water pump shell 36 forms a water pump chamber 4, which is further divided into two chambers, and the two chambers are connected in the middle. The rotary vane 22 is installed in the lower chamber, the water pump water outlet 23 is arranged on the right side of the lower chamber, and the water inlet hole 24 is arranged on the side of the upper chamber. The water pump shaft 20 bottom is connected with the rotary vane 22. The water pump bottom plate 37 is bolted to the bottom of the water pump shell 36, and the water pump bottom plate 37 seals the opening at the bottom of the water pump shell 36.

[0057] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A mining hydraulic submersible pump, characterized in that, The system includes a first housing (1), inside which are arranged, from top to bottom, a hydraulic drive chamber (2), a bearing chamber (3), and a water pump chamber (4) separated from each other; a hydraulic motor (13) is rotatably installed in the hydraulic drive chamber (2), the hydraulic motor (13) includes a turbine shaft (14), a turbine (15), and a hydraulic drive rotor (16), the turbine (15) and the hydraulic drive rotor (16) are mounted on the turbine shaft (14); a water pump shaft (20) is rotatably installed in the water pump chamber (4), and a rotating blade (22) is installed at the bottom end of the water pump shaft (20); the water pump shaft (20) extends upward into the bearing chamber (3) and is fitted with a driven rotor (21); the driven rotor (21) and the hydraulic drive rotor (16) form a magnetic coupler; the rotating blade (22) in the water pump chamber (4) is driven to rotate by the hydraulic motor (13).

2. The mining hydraulic submersible pump according to claim 1, characterized in that, The hydraulic drive chamber (2) has a first inlet (5) on its side, a rotating shaft support through hole (6) at the center of the top of the hydraulic drive chamber (2), and a first outlet flow restriction hole (7) at the top of the hydraulic drive chamber (2). A first outlet cover (8) is installed on the top surface of the first housing (1). The rotating shaft support through hole (6) and the first outlet flow restriction hole (7) are located inside the first outlet cover (8). A first outlet (9) is provided at the top of the first outlet cover (8).

3. The mining hydraulic submersible pump according to claim 2, characterized in that, The hydraulic drive chamber (2) and the bearing chamber (3) are separated by a first partition (10). The first partition (10) has a protruding first support platform (11) on its surface inside the hydraulic drive chamber (2). The first support platform (11) is fitted with a first bearing (12). The turbine shaft (14) is coaxially arranged with the first support platform (11). The bottom surface of the turbine shaft (14) contacts the top surface of the first support platform (11). The top end of the turbine shaft (14) is rotatably connected in the rotating shaft support through hole (6). The turbine (15) is located above the hydraulic drive rotor (16). The first liquid inlet (5) faces the turbine (15). The hydraulic drive rotor (16) has a through hole in the center for the turbine shaft (14) to pass through. A bearing groove is formed in the center of the bottom surface of the hydraulic drive rotor (16). The hydraulic drive rotor (16) is connected to the outer rotating ring of the first bearing (12).

4. The mining hydraulic submersible pump according to claim 3, characterized in that, An alloy fixed block (26) is provided on the top surface of the first support platform (11), and an alloy moving block (27) is provided on the bottom surface of the turbine shaft (14); the alloy moving block (27) on the bottom surface of the turbine shaft (14) is in contact with the alloy fixed block (26) on the top surface of the first support platform (11).

5. The mining hydraulic submersible pump according to claim 4, characterized in that, A moving alloy sleeve (28) is provided at the top of the turbine shaft (14), and the moving alloy sleeve (28) rotates together with the turbine shaft (14); a stationary alloy sleeve (29) is provided in the rotating support through hole (6) of the shaft, and the moving alloy sleeve (28) and the stationary alloy sleeve (29) are cylindrical, with the outer surface of the moving alloy sleeve (28) contacting the inner surface of the stationary alloy sleeve (29).

6. The mining hydraulic submersible pump according to claim 1, characterized in that, The bearing chamber (3) and the water pump chamber (4) are separated by a second partition (17), and a through hole (18) is provided on the second partition (17); a second bearing (19) is provided on the upper surface of the second partition (17), and the second bearing (19) is coaxially arranged with the through hole (18); a water pump shaft (20) is provided in the bearing chamber (3), and the water pump shaft (20) is coaxially arranged with the turbine shaft (14); the water pump shaft (20) passes through the second bearing (19) and the through hole (18) and enters the water pump chamber (4).

7. The mining hydraulic submersible pump according to claim 6, characterized in that, A mechanical seal (25) is provided on the lower surface of the second partition (17) and below the through hole (18). The water pump shaft (20) passes through the mechanical seal (25) and the water pump shaft (20) is rotatably sealed to the mechanical seal (25).

8. The mining hydraulic submersible pump according to claim 1, characterized in that, The pump chamber (4) is divided into two chambers, upper and lower, which are connected in the middle. A rotating blade (22) is installed in the lower chamber, and a pump outlet (23) is provided on one side of the lower chamber. An inlet hole (24) is provided on the side of the upper chamber.

9. The mining hydraulic submersible pump according to claim 1, characterized in that, The first housing (1) is assembled from a hydraulic drive upper cover (31), a hydraulic drive housing (32), a first intermediate connecting cover (33), a bearing housing (34), a second intermediate connecting cover (35), a water pump housing (36), and a water pump base plate (37); the hydraulic drive upper cover (31) is bolted to the top of the hydraulic drive housing (32), and the first liquid outlet cover (8) is bolted to the top surface of the hydraulic drive upper cover (31); a fourth partition (38) is provided inside the hydraulic drive housing (32), and the fourth partition (38) divides the hydraulic drive... The interior of the moving housing (32) is divided into an upper hydraulic drive chamber (2) and a lower driven rotor chamber (39); a hydraulic motor (13) is rotatably installed in the hydraulic drive chamber (2); a driven rotor (21) is installed in the driven rotor chamber (39); the hydraulic drive housing (32) and the bearing housing (34) are sealed together by a first intermediate connecting cover (33); the bearing housing (34) and the water pump housing (36) are connected by a second intermediate connecting cover (35); a water pump base plate (37) is installed at the bottom of the water pump housing (36).

10. The mining hydraulic submersible pump according to claim 9, characterized in that, The lower surface of the second intermediate connecting cover (35) has a circular, downwardly protruding fourth boss; the fourth boss is inserted into the water pump housing (36). The upper part is open, and the upper part of the water pump housing (36) is closed; an oil seal housing (58) is installed in the center of the fourth boss; An oil chamber is formed inside the oil seal housing (58), and the oil chamber stores sealing oil.

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