Large submersible tubular pump capable of reducing noise and temperature rise

Abstract

The utility model relates to the technical field of water pumps, in particular to a large submersible tubular pump capable of reducing noise and temperature rise, which comprises a pump section assembly, an overflowing cylinder is arranged outside the pump section assembly, a planetary gear reduction gearbox assembly and a submersible dry-type motor assembly are sequentially arranged on the side edge of the pump section assembly, and the planetary gear reduction gearbox assembly comprises a gearbox body. The submersible dry-type motor assembly comprises a motor main shaft, the interior of the gearbox body is divided into two cavities through a baffle, the motor main shaft penetrates through the gearbox body and the baffle and is coaxially and correspondingly provided with a bearing seat, a planet carrier assembly is arranged in the bearing seat, and the two ends of the planet carrier assembly are installed on the bearing seat through rolling bearings. An oil throwing ring mechanism is arranged between the motor spindle and the baffle, and a circulation pipeline mechanism is further arranged in the gearbox body. According to the utility model, the sound insulation chamber is additionally arranged, and active circulation of cooling lubricating oil is realized, so that the problems of loud noise and obvious vibration are effectively relieved, and a good heat dissipation effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump technical field especially relates to a large -scale submersible tubular pump of reducing noise and temperature rise. BACKGROUND

[0002] The large -scale submersible tubular pump is a whole type machine -electrical equipment that is composed of submersible dry -type motor, planetary gear reduction box and water pump, is horizontally installed and fixed in the pump station predetermined pit, is straight in and straight out when draining, has less water loss, high device efficiency, large drainage flow, compact structure, convenient installation, and relatively lower civil engineering and operation cost, and the product is widely applied in city flood control and drainage, regional water transfer engineering, agricultural irrigation etc.

[0003] With the continuous improvement of the actual demand of submersible tubular pump, the matching power of submersible tubular pump is further expanded, and the vibration noise generated thereby, especially the noise of planetary gear reduction box body and bearing temperature rise problem are more and more prominent, and need to be solved urgently.

[0004] Therefore, we propose a large -scale submersible tubular pump of reducing noise and temperature rise to solve the above problems. CONTENT OF UTILITY MODEL

[0005] The utility model aims at solving the shortcomings in the prior art and proposes a large -scale submersible tubular pump of reducing noise and temperature rise.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A large -scale submersible tubular pump of reducing noise and temperature rise, including pump segment assembly, the pump segment assembly outside is equipped with overflow cylinder, and the side of pump segment assembly is equipped with planetary gear reduction box assembly and submersible dry -type motor assembly in proper order, the planetary gear reduction box assembly includes gear box body, and the submersible dry -type motor assembly includes motor main shaft;

[0008] The gear box body is equipped with a baffle in the inside, and is isolated into two chambers through the baffle, and the two chambers are filled with cooling lubricating oil, and the motor main shaft passes through the gear box body and the baffle and has bearing seat coaxially corresponding, and the bearing seat is installed and fixed with the gear box body, and the bearing seat is internally provided with a planetary carrier assembly, and the both ends of the planetary carrier assembly are installed and arranged with the bearing seat through rolling bearings, and the motor main shaft is equipped with an oil throwing ring mechanism between the baffle, and the gear box body is also equipped with a circulating pipeline mechanism in the inside.

[0009] Preferably, the pump segment assembly further includes a plurality of paddles, and the submersible dry -type motor assembly further includes a motor for driving the motor main shaft to rotate.

[0010] Preferably, the circulating pipeline mechanism comprises a plurality of stainless steel heat dissipation pipes and a plurality of oil drain holes horizontally penetrating the bearing seat, and the plurality of oil drain holes are located at the edges of the bearing seat, the plurality of stainless steel heat dissipation pipes are uniformly arranged outside the gear box body, the plurality of oil drain holes are uniformly distributed on the bearing seat and penetrate the two ends of the bearing seat, the two ends of the stainless steel heat dissipation pipe are communicated with the two chambers respectively, and the end of the oil drain hole away from the baffle corresponds to one end of the stainless steel heat dissipation pipe.

[0011] Preferably, the gear box body is coaxially provided with a flange plate at each end, the two flange plates are sleeved and arranged with a protective cover, and the plurality of stainless steel heat dissipation pipes are located inside the protective cover.

[0012] Preferably, the planetary gear reduction box assembly further comprises a sun gear arranged inside the gear box body, the sun gear is engaged and matched with a plurality of planet gears, the sun gear is coaxially arranged with the motor shaft through a gear sleeve, the plurality of planet gears are rotationally arranged on the planet carrier assembly, a gear ring is coaxially arranged on the bearing seat, the plurality of planet gears are further engaged and matched with the gear ring, the pump section assembly further comprises a pump section shaft, and the planet carrier assembly is coaxially connected with the pump section shaft.

[0013] Preferably, the oil thrower mechanism comprises a hub coaxially fixedly arranged on the gear sleeve, a plurality of blades are arranged around the side edge of the hub, and the plurality of blades are uniformly distributed.

[0014] Preferably, the two ends of the flow tube are respectively provided with a water inlet end and a water outlet end, and a plurality of supporting feet are fixedly arranged outside the flow tube.

[0015] Preferably, the two chambers of the gear box body are provided with a plurality of oil discharge holes in the side walls.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model discloses a baffle is arranged inside the gear box body, and an oil thrower mechanism is arranged, and rolling bearings are arranged at the two ends of the planet carrier assembly, so that the circulation of the internal cooling lubricating oil can be effectively realized, the internal structure can be effectively cooled, the soundproof chamber effect can be realized, and the problem of large noise and obvious vibration of the large submersible tubular pump can be effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can be obtained by the person skilled in the art without creative labor on the premise of not paying the creative labor.

[0019] Figure 1 It is the front view of the utility model.

[0020] Figure 2 It is the structure schematic view of the gear box body inside of the utility model;

[0021] Figure 3 It is the structure schematic view of the wheel hub and the blade of the utility model;

[0022] Figure 4 It is the front view of the wheel hub of the utility model.

[0023] In the figure: 1, pump section assembly;2, flow tube;3, planetary gear reduction box assembly;4, submersible dry-type motor assembly;5, gear box body;6, motor spindle;7, baffle;8, bearing seat;9, wheel hub;10, gear sleeve;11, blade;12, stainless steel heat dissipation pipe;13, oil drain hole;14, flange plate;15, protective cover;16, sun gear;17, planetary gear;18, planet carrier assembly;19, gear ring;20, rolling bearing;21, pump section spindle;22, water inlet end;23, water outlet end;24, support foot;25, oil drain hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0026] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a large -scale submersible through -flow pump of reducing noise and temperature rise, including pump segment subassembly 1, the outside of pump segment subassembly 1 is equipped with overflow tube 2, and pump segment subassembly 1 side is equipped with planetary gear reduction gearbox subassembly 3 and submersible dry -type motor subassembly 4 in proper order, and planetary gear reduction gearbox subassembly 3 includes gear box body 5, and submersible dry -type motor subassembly 4 includes motor main shaft 6, gear box body 5 inside is equipped with baffle 7, and is isolated into two chambers through baffle 7, and two chambers are filled with cooling lubricating oil, and motor main shaft 6 respectively passes through gear box body 5 and baffle 7 and has bearing seat 8 with coaxial correspondence, and bearing seat 8 is installed fixed with gear box body 5, and bearing seat 8 inside is provided with planetary carrier assembly 18, and both ends of planetary carrier assembly 18 are installed with bearing seat 8 through rolling bearing 20, and there is oil throwing ring mechanism between motor main shaft 6 and baffle 7, and gear box body 5 inside is also equipped with circulating pipeline mechanism.

[0027] Pump segment subassembly 1 still includes several paddles, and submersible dry -type motor subassembly 4 still includes motor, and the motor is used to drive motor main shaft 6, and the motor drives motor main shaft 6 to rotate, and motor main shaft 6 can finally drive several paddles to rotate at a reduced speed through planetary gear reduction gearbox subassembly 3.Several paddles rotate to realize pumping and draining work.

[0028] As a kind of technical optimization scheme of the utility model, circulating pipeline mechanism includes several stainless steel radiators 12 and several oil drain holes 13 horizontally penetrating bearing seat 8, and several oil drain holes 13 are located on the edge of bearing seat 8, i.e. the two ends of oil drain hole 13 are towards the axial ends of bearing seat 8.Several stainless steel radiators 12 are evenly installed on the outside of gear box body 5, several oil drain holes 13 are evenly distributed on bearing seat 8 and penetrate both ends of bearing seat 8, the two ends of stainless steel radiator 12 are communicated with the two chambers respectively, and the end of oil drain hole 13 away from baffle 7 corresponds to one end of stainless steel radiator 12.Oil drain hole 13 and stainless steel radiator 12 enable cooling lubricating oil to be pushed from the left chamber to the right chamber, and enable cooling lubricating oil to flow back from the right chamber to the left chamber.

[0029] As a kind of technical optimization scheme of the utility model, the two ends of gear box body 5 are coaxially installed with flange plate 14, and protective cover 15 is installed between the two flange plates 14, and several stainless steel radiators 12 are located inside protective cover 15.Two flange plates 14 are provided with through holes on the edge, which facilitates water flow, and realizes heat exchange operation of stainless steel radiator 12.

[0030] As a technical optimization scheme of the utility model, the planetary gear reduction gearbox assembly 3 further comprises a sun gear 16 arranged inside the gearbox body 5, the sun gear 16 is engaged with a plurality of planetary gears 17, the sun gear 16 is coaxially arranged with the motor spindle 6 through the gear sleeve 10, the plurality of planetary gears 17 are rotatably arranged on the planet carrier assembly 18, the bearing seat 8 is coaxially provided with a gear ring 19, the plurality of planetary gears 17 are also engaged with the gear ring 19, the pump section assembly 1 further comprises a pump section spindle 21, and the planet carrier assembly 18 is coaxially connected with the pump section spindle 21. The circulating cooling lubricating oil can cool the sun gear 16, the plurality of planetary gears 17 and the gear ring 19, and also has the effect of lubrication.

[0031] For the above example, those skilled in the art should know that in the implementation of the above technical solution, one end of the gear sleeve 10 is connected with the motor spindle 6, the other end is provided with internal teeth and is coaxially arranged with the gear sleeve 10, the gear sleeve 10 is in a floating state, but the baffle 7 structure of the device limits it, and the floating space of the gear sleeve 10 is very small.

[0032] As a technical optimization scheme of the utility model, the planet carrier assembly 18 is installed and arranged at both ends through the rolling bearing 20 and the bearing seat 8, so that the planet carrier assembly 18 increases the separation effect of the bearing seat 8, the rolling bearing 20 and the baffle 7 on the left and right sides, so that the planet carrier assembly 18 has an additional sound insulation chamber for the planetary gears 17, achieving the effect of noise reduction. The pump section assembly 1 further comprises a pump section spindle 21, and the planet carrier assembly 18 is coaxially connected with the pump section spindle 21. The motor drives the motor spindle 6 to rotate, the motor spindle 6 drives the sun gear 16 to rotate, and the sun gear 16 finally transmits mechanical energy to the pump section spindle 21 through the engagement effect of the gear.

[0033] The oil throwing ring mechanism comprises a hub 9 coaxially fixedly installed on the gear sleeve 10, a plurality of blades 11 are arranged around the side of the hub 9, and the plurality of blades 11 are uniformly distributed. The rotation of the motor spindle 6 can finally drive the hub 9 to rotate through the gear sleeve 10, and then drive the plurality of blades 11 to rotate, so as to realize the effect of pushing the cooling lubricating oil from the left chamber to the right chamber.

[0034] For the above example, those skilled in the art should know that in the implementation of the above technical solution, the pump section spindle 21 extends to the outside and is finally connected with a plurality of paddles, and the plurality of paddles can realize the water pumping operation.

[0035] As a technical optimization scheme of the utility model, the both ends of the overflow cylinder 2 are respectively provided with a water inlet end 22 and a water outlet end 23, and a plurality of supporting feet 24 are fixedly arranged outside the overflow cylinder 2. The whole device can be fixedly placed on the pump pit or the ground through the plurality of supporting feet 24.

[0036] As a technical optimization scheme of the utility model, the two chamber side walls of the gear box body 5 are each provided with a plurality of oil drain holes 25. The cooling lubricating oil can be injected into the gear box body 5 through the oil drain holes 25, so that the cooling lubricating oil can be filled into the two relatively independent but not completely sealed chambers divided by the baffle 7.

[0037] In the utility model, the working principle of the device is as follows:

[0038] Before the device operates, the cooling lubricating oil is injected into the gear box body 5 through the oil drain holes 25 on the gear box body 5, that is, the cooling lubricating oil is filled into the two relatively independent but not completely sealed chambers divided by the baffle 7. When the device operates, the motor main shaft 6 is rotated by the motor, the motor main shaft 6 drives the sun gear 16 to rotate, the sun gear 16 finally transmits mechanical energy to the pump section main shaft 21 through the meshing effect of the gear, that is, the subsequent water pumping operation can be realized. In this process, the motor main shaft 6 is connected and conducted through the gear sleeve 10, the gear sleeve 10 drives the wheel hub 9 to rotate, that is, the plurality of blades 11 rotate around the central shaft of the motor main shaft 6, so that the cooling lubricating oil can be pushed from the left chamber to the right chamber, the heat on the rolling bearing 20, the bearing seat 8, the motor main shaft 6 and the pump section main shaft 21 is taken away, the bearing temperature in the planetary gear 17 is also reduced, and finally the cooling lubricating oil returns to the left chamber through the oil drain hole 13 and the stainless steel heat dissipation pipe 12 on the gear box body 5 in turn, so that the effect of sufficient heat dissipation and circulation is realized; the medium water on the outer wall of the overflow cylinder 2 exchanges heat with the stainless steel heat dissipation pipe 12, so that the heat dissipation of the entire cooling lubricating oil and shaft system is realized; the stainless steel heat dissipation pipe 12 is wrapped with a protective cover 15, so that foreign matters can be prevented from damaging the stainless steel heat dissipation pipe 12.

[0039] Compared with the planetary gear reduction box structure matched with the conventional submersible cross-flow pump, the device further increases the bearing seat 8, the rolling bearing 20 and the baffle 7 on the left and right sides of the planet carrier assembly 18, realizes the separation effect, so that the planetary gear 17 in the planet carrier assembly 18 has an additional sound insulation chamber, the noise reduction effect is effectively improved, and the meshing movement of the planetary gear 17 and the sun gear 16 in the limited space effectively reduces the operation noise and vibration of the device after assembly.

[0040] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A large submersible cross flow pump with reduced noise and temperature rise comprising a pump segment assembly (1), characterized in that, The pump segment assembly (1) is externally provided with a flow tube (2), and the side of the pump segment assembly (1) is sequentially provided with a planetary gear reduction box assembly (3) and a submersible dry motor assembly (4). The gear box body (5) is internally provided with a baffle (7) and is isolated into two chambers by the baffle (7), and the two chambers are filled with cooling lubricating oil, the motor main shaft (6) penetrates through the gear box body (5) and the baffle (7) and is coaxially provided with a bearing seat (8) in correspondence, the bearing seat (8) is fixedly installed with the gear box body (5), the bearing seat (8) is internally provided with a planet carrier assembly (18), the two ends of the planet carrier assembly (18) are installed and arranged with the bearing seat (8) through rolling bearings (20), the motor main shaft (6) and the baffle (7) are provided with an oil throwing ring mechanism, and the gear box body (5) is further provided with a circulating pipeline mechanism.

2. A large submersible cross flow pump with reduced noise and temperature rise as claimed in claim 1 wherein, The pump segment assembly (1) further comprises a plurality of paddles, and the submersible dry motor assembly (4) further comprises a motor for driving the motor main shaft (6) to rotate.

3. A large submersible cross flow pump with reduced noise and temperature rise as claimed in claim 1 wherein, The circulating pipeline mechanism comprises a plurality of stainless steel heat dissipation pipes (12) and a plurality of oil leakage holes (13) horizontally penetrating through the bearing seat (8), and the plurality of oil leakage holes (13) are located at the edge of the bearing seat (8), the plurality of stainless steel heat dissipation pipes (12) are uniformly installed on the outside of the gear box body (5), the plurality of oil leakage holes (13) are uniformly distributed on the bearing seat (8) and penetrate through both ends of the bearing seat (8), and the two ends of the stainless steel heat dissipation pipe (12) are in communication with the two chambers respectively, and one end of the oil leakage hole (13) away from the baffle (7) corresponds to one end of the stainless steel heat dissipation pipe (12).

4. A large submersible cross flow pump with reduced noise and temperature rise as claimed in claim 3 wherein, The two ends of the gear box body (5) are coaxially provided with flanges (14), the two flanges (14) are sleeved and installed with a protective cover (15), and the plurality of stainless steel heat dissipation pipes (12) are located inside the protective cover (15).

5. The large submersible cross flow pump of claim 1, wherein, The planetary gear reduction box assembly (3) further comprises a sun gear (16) arranged in the gear box body (5), the sun gear (16) is engaged and matched with a plurality of planet gears (17), the sun gear (16) is coaxially installed and arranged with the motor main shaft (6) through a gear sleeve (10), the plurality of planet gears (17) are rotatably installed on the planet carrier assembly (18), the bearing seat (8) is coaxially provided with a ring gear (19), the plurality of planet gears (17) are further engaged and matched with the ring gear (19), and the pump segment assembly (1) further comprises a pump segment main shaft (21), the planet carrier assembly (18) is coaxially installed and connected with the pump segment main shaft (21).

6. A large submersible cross flow pump with reduced noise and temperature rise as claimed in claim 5 wherein, The oil throwing ring mechanism comprises a hub (9) coaxially fixedly installed on the gear sleeve (10), a plurality of blades (11) are arranged around the side of the hub (9), and the plurality of blades (11) are uniformly distributed.

7. A large submersible cross flow pump with reduced noise and temperature rise as claimed in claim 1 wherein, The two ends of the flow tube (2) are respectively provided with a water inlet end (22) and a water outlet end (23), and the flow tube (2) is externally fixed with a plurality of supporting feet (24).

8. A large submersible cross flow pump with reduced noise and temperature rise as claimed in claim 1 wherein, The side walls of the two chambers of the gear box body (5) are provided with a plurality of oil discharge holes (25).

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