阅读说明：本技术 三重液冷超高效多级增压电机泵 (Triple liquid cooling super-efficient multistage booster motor pump ) 是由 刘豪策 韩尚云 刘讯岐 于 2019-11-11 设计创作，主要内容包括：本发明涉及电机泵技术领域,具体涉及三重液冷超高效多级增压电机泵。所述的三重液冷超高效多级增压电机泵在夹层电机壳体内设液冷增压流道,使液体由电机空心轴液流通道进入电机泵初级叶轮体内做功,由电机空心轴内的流动液体对电机转子冷却,该液体经液冷增压流道进入多级增压进液口,由液冷增压流道内的流动液体对电机定子冷却,电机冷却液也同时对电机定子线圈冷却,冷却后的液体经电机泵叶轮体再次做功,使液体在流动过程中完成对电机的三重冷却,从而解決了风冷电机的风噪、叶耗、易烧的弊病,也解决了水冷电机损坏率高、外接导流管体形大、成本高的弊病,提升了电机的过载能力及节能效果。(The invention relates to the technical field of motor pumps, in particular to a triple liquid cooling ultra-efficient multistage booster motor pump. The triple liquid-cooled ultra-efficient multistage supercharging motor pump is characterized in that a liquid-cooled supercharging flow channel is arranged in an interlayer motor shell, liquid enters a primary impeller body of the motor pump from a liquid flow channel of a motor hollow shaft to do work, a motor rotor is cooled by flowing liquid in the motor hollow shaft, the liquid enters a multistage supercharging liquid inlet through the liquid-cooled supercharging flow channel, a motor stator is cooled by the flowing liquid in the liquid-cooled supercharging flow channel, a motor stator coil is simultaneously cooled by the motor cooling liquid, the cooled liquid does work again through the motor pump impeller body, triple cooling of the motor is completed in the flowing process of the liquid, the defects of wind noise, blade consumption and easiness in burning of an air-cooled motor are overcome, the defects of high damage rate of the water-cooled motor, large external connection flow guide pipe body and high cost are overcome, and the overload capacity and the energy-saving effect of the motor.)

1. The utility model provides a multistage booster motor pump is imitated to triple liquid cooling superelevation, characterized by: the triple liquid cooling ultra-efficient multistage booster motor pump is characterized by comprising a motor pump liquid outlet flange (1), a motor pump liquid outlet flange outer connecting fixing hole (2), a motor pump volute body (3), a motor pump liquid inlet connecting flange (4), a motor pump outer connecting fixing nut (5), a motor pump liquid outlet channel (6), a motor pump impeller body (7), a motor pump fixing nut (8), a motor pump volute fixing pile (9), a motor pump connecting fixing bolt (10), a motor pump volute body sealing ring (11), a motor pump end cover body (12), a motor stator coil (13), motor cooling liquid (14), a motor rotor (15), a motor stator (16), a motor junction box (17), a liquid cooling booster flow channel (18), a motor hollow shaft (19), a motor bearing (20), a sealing static ring pad (21), a sealing static ring body (22), a sealing dynamic ring body (23), The device comprises a motor hollow shaft liquid flow channel (24), a sealing fixed ring body (25), a motor shaft fixed impeller thread (26), an impeller fixing nut (27), a motor pump primary impeller body (28), a motor pump integrated volute (29), a motor pump integrated volute gland (30), a volute gland loading and unloading hole (31), a volute gland thread (32), a volute gland nut (33), a volute sealing ring (34), an interlayer motor shell (35), a motor pump connecting bolt (36), a multi-stage pressurizing liquid inlet (37), an impeller internal connection fixed wall (38), a shaft impeller connector (39), a motor hollow shaft liquid inlet (40) and a motor base (41); the liquid inlet end of the interlayer motor shell (35) is connected with a motor pump end cover body (12), the outer end part of the motor pump end cover body (12) is fixedly connected with a motor pump vortex shell (3), the outer part of the inner end is fixedly provided with a sealing static ring gasket (21), a sealing static ring body (22), the inner end part is fixedly provided with a motor bearing (20), the inner end of the motor bearing (20) is fixedly provided with a motor hollow shaft (19), the outer wall of the inlet end of the motor hollow shaft (19) is fixedly provided with a motor pump impeller body (7), the other end of the motor hollow shaft is fixedly provided with a motor pump primary impeller body (28), the middle end of the outer wall is fixedly provided with a motor rotor (; the outer end part of the other end of the interlayer motor shell (35) is provided with a motor pump connecting volute shell (29) and a volute gland nut (33), and the inner end of the motor pump connecting volute shell (29) is provided with a motor pump primary impeller body (28) in a matching way; more than two liquid cooling pressurizing flow channels (18) are arranged in an interlayer of an outer ring of the interlayer motor shell (35), a motor bearing (20) is fixed in the center of the inner end, a sealing static ring pad (21) and a sealing static ring body (22) are fixed at the outer end part of the center of the inner end, and a motor stator (16) is fixedly connected in the middle of the inner end; a motor base (41) is arranged on the lower portion of the outer end of an interlayer motor shell (35), a motor pump volute fixing pile (9) and a motor junction box (17) are arranged on the upper portion of the outer end, the motor pump volute shell (3) is fixed on the motor pump volute fixing pile (9) of the interlayer motor shell (35) through a motor pump connecting fixing bolt (10) at the upper end, and the motor pump volute shell (3) and the interlayer motor shell (35) are fixed into a whole at the lower end through a motor pump connecting bolt (36).

2. The triple liquid cooled ultra high efficiency multistage supercharging motor pump according to claim 1, characterized in that: the motor pump volute casing (3) on be provided with motor pump liquid outlet flange (1), motor pump liquid outlet flange outer joint fixed orifices (2), motor pump inlet disjunctor flange (4), motor pump outer joint fixation nut (5), motor pump liquid outlet passageway (6), motor pump fixation nut (8), motor pump volute casing sealing washer (11).

3. The triple liquid cooled ultra high efficiency multistage supercharging motor pump according to claim 1, characterized in that: the outer wall of the inlet end of the motor hollow shaft (19) fixes the motor hollow shaft (19) and the motor pump impeller body (7) into a whole through an impeller inner connecting and fixing wall (38) and an axis impeller connecting body (39) arranged on the motor pump impeller body (7), the outlet end of the motor hollow shaft fixes the motor pump primary impeller body (28) and the motor hollow shaft (19) into a whole through a motor shaft fixing impeller thread (26) and an impeller fixing nut (27) arranged on the motor pump primary impeller body (28), the middle end of the outer wall of the motor hollow shaft is fixed with the motor rotor (15) into a whole, and a motor stator coil (13) on the motor stator (16) directly drives the motor stator to do work.

4. The triple liquid cooled ultra high efficiency multistage supercharging motor pump according to claim 1, characterized in that: the outer ring of the motor pump integrated volute gland (30) is provided with volute gland threads (32), the volute gland threads (32) are connected with volute gland nuts (33) arranged on the interlayer motor shell (35), and the motor pump integrated volute gland (30), the volute sealing ring (34) and the interlayer motor shell (35) are fixed into a sealing connection piece through volute gland assembling and disassembling holes (31) arranged on the motor pump integrated volute gland (30).

Technical Field

The invention relates to the technical field of motor pumps, in particular to a triple liquid cooling ultra-efficient multistage booster motor pump.

Background

Most of the existing non-submersible water pumps adopt air-cooled motors, and motor blades blow to the surface of the motor to cool the motor, so that the air-cooled mode can generate noises with different degrees, the rotation of the blades also consumes energy, the poor cooling effect limits the overload capacity of the motor, and the condition that the most widely used centrifugal pump is burnt out due to motor overload often occurs; the water pump is used for discharging water, the guide pipe is used for leading the water to the motor to cool the motor, the problems are better solved, but the adopted technology still has the following defects and drawbacks:

1; the water-cooled motor disclosed in the patent CN204089485U and the water-cooled motor for the pump disclosed in the patent CN102628445A are represented by utilizing a guide pipe to lead part of outlet water of the water pump into a motor shell interlayer, and the outlet water flows back to a water pump inlet through the guide pipe.

2; the water outlet guide pipe of the water pump is led into the motor shell interlayer from the side surface of the motor, and water is discharged from the other side.

3; the motor is sealed in the pipe through the mechanical seal of the pump shaft, and pump outlet water flows through the surface of the motor.

4; adopt the wire coiling motor of insulating waterproof crust, water is followed the motor and is passed through, because the waterproof crust of motor insulation is too thick, has influenced motor efficiency, and the motor utilization efficiency is low, and the easy fish tail waterproof crust of wire of aquatic debris moreover, and the motor spoilage is high, and the motor line needs to be drawn forth in the aquatic, and technology is complicated.

5; the existing pump water-cooled motor generally adopts a design of directly injecting cooling liquid, or adopts a single circumferential ring type water path design or a single axial water path design, and has the defects of poor heat dissipation and easy burning of core components due to the single cooling effect and no design of relevant heat dissipation equipment for the core components with higher heat generation in the motor.

6; patent CN203548245U discloses an ultra-high efficiency liquid cooling motor pump, has adopted the liquid cooling mode that the inside flow liquid of motor hollow shaft directly cooled heat dissipation and built-in coolant liquid conduction heat dissipation cooling motor stator to the motor rotor, fine solution the design defect of above-mentioned 5 kinds of techniques, promoted the liquid cooling technology application level of pump class to certain height, but this technique can only be used for the single-stage pump at present, can't be used for multistage booster pump.

Disclosure of Invention

In order to change the technical defects and drawbacks of the pump, the invention discloses a triple liquid-cooled ultra-efficient multistage supercharging motor pump; the triple liquid-cooling super-efficient multistage supercharging motor pump comprises a motor pump liquid outlet flange 1, a motor pump liquid outlet flange outer connecting fixing hole 2, a motor pump volute casing 3, a motor pump liquid inlet connecting flange 4, a motor pump outer connecting fixing nut 5, a motor pump liquid outlet channel 6, a motor pump impeller body 7, a motor pump fixing nut 8, a motor pump volute fixing pile 9, a motor pump connecting fixing bolt 10, a motor pump volute casing sealing ring 11, a motor pump end cover body 12, a motor stator coil 13, a motor cooling liquid 14, a motor rotor 15, a motor stator 16, a motor junction box 17, a liquid-cooling supercharging flow channel 18, a motor hollow shaft 19, a motor bearing 20, a sealing static ring gasket 21, a sealing static ring body 22, a sealing dynamic ring body 23, a motor hollow shaft liquid flow channel 24, a sealing fixed ring body 25, a motor shaft fixed impeller thread 26, a motor fixed impeller nut 27, a motor pump primary impeller body 28, The pump comprises a motor pump integrated volute 29, a motor pump integrated volute gland 30, a volute gland assembling and disassembling hole 31, volute gland threads 32, a volute gland nut 33, a volute sealing ring 34, an interlayer motor shell 35, a pump connecting bolt 36, a multi-stage supercharging liquid inlet 37, an impeller internal connecting and fixing wall 38, a shaft body impeller connecting body 39, a motor hollow shaft liquid inlet 40 and a motor base 41; one end of the interlayer motor shell 35 is fixedly connected with a motor pump end cover body 12, the outer end part of the motor pump end cover body 12 is fixedly connected with a motor pump vortex shell body 3, the outer part of the inner end is fixedly provided with a sealing static ring gasket 21 and a sealing static ring body 22, the inner end part of the motor pump end cover body is fixedly provided with a motor bearing 20, the inner end of the motor bearing 20 is fixedly provided with a motor hollow shaft 19, the outer wall of the inlet end of the motor hollow shaft 19 is fixedly provided with a motor pump impeller body 7, the other end of the inlet end of the motor hollow shaft is fixedly provided with a motor pump primary impeller body 28, the middle end; the outer end part of the other end of the interlayer motor shell 35 is provided with a motor pump connecting volute 29 and a volute gland nut 33, and the inner end of the motor pump connecting volute 29 is provided with a motor pump primary impeller body 28 in a matching way; a plurality of liquid cooling pressurizing flow channels 18 are arranged in an interlayer of an outer ring of the interlayer motor shell 35, a motor bearing 20 is fixed in the center of the inner end, a sealing static ring gasket 21 and a sealing static ring body 22 are fixed at the outer end part of the center of the inner end, and a motor stator 16 is connected and fixed in the middle of the inner end; the lower part of the outer end of the interlayer motor shell 35 is provided with a motor base 41, the upper part of the outer end is provided with a motor pump volute fixing pile 9 and a motor junction box 17, the upper end of the motor pump volute fixing pile 9 is used for fixing the motor pump volute shell 3 on the motor pump volute fixing pile 9 of the interlayer motor shell 35 through a motor pump connecting fixing bolt 10, and the lower end of the motor pump volute shell 3 is used for fixing the motor pump volute shell 3 and the interlayer motor shell 35 into a whole through a motor pump connecting bolt 36.

The motor pump volute casing 3 is provided with a motor pump liquid outlet flange 1, a motor pump liquid outlet flange external connection fixing hole 2, a motor pump liquid inlet connection flange 4, a motor pump external connection fixing nut 5, a motor pump liquid outlet channel 6, a motor pump fixing nut 8 and a motor pump volute casing sealing ring 11.

The outer wall of the inlet end of the motor hollow shaft 19 is fixedly integrated with the motor hollow shaft 19 and the motor pump impeller body 7 through an impeller inner connecting fixed wall 38 and a shaft body impeller connecting body 39 which are arranged on the motor pump impeller body 7, the outlet end of the motor hollow shaft is fixedly integrated with the motor pump primary impeller body 28 and the motor hollow shaft 19 through a motor shaft fixed impeller thread 26 and an impeller fixed nut 27 which are arranged on the motor pump primary impeller body 28, the middle end of the outer wall of the motor hollow shaft is fixedly integrated with the motor rotor 15, and a motor stator coil 13 on the motor stator 16 is directly driven to do work.

The outer ring of the motor pump integrated volute gland 30 is provided with volute gland threads 32, the volute gland threads 32 are connected with volute gland nuts 33 arranged on the interlayer motor shell 35, and the motor pump integrated volute gland 30, the volute sealing ring 34 and the interlayer motor shell 35 are fixed into a sealing integrated piece through volute gland assembling and disassembling holes 31 arranged on the motor pump integrated volute gland 30.

The invention has the beneficial effects that: through the design of the integrated triple liquid cooling structure, the volume of the motor pump is reduced, the working efficiency is improved, indispensable conventional parts such as a motor cooling fan, a fan shield, a coupler and a pump base of the existing pump and a matched motor are omitted, the production cost and the volume and weight are both reduced by about 50%, the use defects of the pump motor represented by patents CN204089485U and CN102628445A and the problem that the patent CN203548245U can only be used for a single-stage pump and cannot be used for multi-stage pump pressurization are thoroughly solved, meanwhile, the complex program of installation and debugging is also omitted, and the advantages of small volume, light weight, high efficiency, material saving, electricity saving, convenience in maintenance, long service life and the like are really realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a triple liquid-cooled ultra-efficient multistage supercharging motor pump.

Labeled as: 1-motor pump liquid outlet flange, 2-motor pump liquid outlet flange external connection fixing hole, 3-motor pump volute body, 4-motor pump liquid inlet connected flange, 5-motor pump external connection fixing nut, 6-motor pump liquid outlet channel, 7-motor pump impeller body, 8-motor pump fixing nut, 9-motor pump volute fixing pile, 10-motor pump connection fixing bolt, 11-motor pump volute body sealing ring, 12-motor pump end cover body, 13-motor stator coil, 14-motor cooling liquid, 15-motor rotor, 16-motor stator, 17-motor junction box, 18-liquid cooling pressurizing flow channel, 19-motor hollow shaft, 20-motor bearing, 21-sealing static ring pad, 22-sealing static ring body, 22-motor pump liquid outlet connecting fixing hole, 9-motor pump volute body fixing pile, 10-motor pump connection fixing bolt, 11-motor pump volute body sealing ring, 12-motor pump end, 23-a sealed movable ring body, 24-a motor hollow shaft liquid flow channel, 25-a sealed fixed ring body, 26-a motor shaft fixed impeller thread, 27-an impeller fixed nut, 28-a motor pump primary impeller body, 29-a motor pump integrated volute, 30-a motor pump integrated volute gland, 31-a volute gland loading and unloading hole, 32-a volute gland thread, 33-a volute gland nut, 34-a volute sealing ring, 35-a sandwich motor shell, 36-a pump connecting bolt, 37-a multi-stage pressurizing liquid inlet, 38-an impeller internal connection fixed wall, 39-a shaft impeller connecting body, 40-a motor hollow shaft liquid inlet and 41-a motor base.

Detailed Description