阅读说明：本技术 一种应用稀土电机技术的循泵装置及系统 (Use circulating pump device and system of tombarthite motor technology ) 是由 叶青 杨敏 何志瞧 居国腾 沈炳华 周琦 王铮 于 2020-11-23 设计创作，主要内容包括：本发明涉及循泵系统技术领域,具体为一种应用稀土电机技术的循泵装置及系统,包括循环供水系统以及建立在河道内的江水过滤站,所述江水过滤站内安装有安装座,且江水过滤站内通过安装座安装有循泵装置,所述江水过滤站的一端连接有抽水管路,且江水过滤站通过抽水管路与循环供水系统相连通。本发明的循泵装置体积小,集成度高,应用稀土电机实现高效驱动与节能,采用谐波机构传动与增加振动小,寿命长,且稀土电机的运行具有良好的调速与节能性能,容易适配调整出最佳运行状态,达到生产中的最大效率,自身运行可以利用浸入江水中直接冷却,并且该系统可以省去常规循泵系统中的冷却塔等复杂建筑设备,直接利用江水循环实现冷却。(The invention relates to the technical field of circulating pump systems, in particular to a circulating pump device and a circulating pump system applying a rare earth motor technology. The circulating pump device has small volume and high integration level, realizes high-efficiency driving and energy saving by applying the rare earth motor, has small transmission and increased vibration by adopting a harmonic mechanism, has long service life, has good speed regulation and energy saving performance in running of the rare earth motor, is easy to adapt and adjust to an optimal running state to achieve the maximum efficiency in production, can be directly cooled by immersing in river water in self running, can save complex building equipment such as a cooling tower in a conventional circulating pump system, and directly realizes cooling by using the circulation of the river water.)

1. A circulating pump device and a system applying rare earth motor technology are characterized by comprising a river channel (7), a circulating water supply system (6) and a river water filtering station (3) built in the river channel (7), wherein a mounting seat (2) is installed in the river water filtering station (3), a circulating pump device (1) is installed in the river water filtering station (3) through the mounting seat (2), one end of the river water filtering station (3) is connected with a water pumping pipeline (4), the river water filtering station (3) is communicated with the circulating water supply system (6) through the water pumping pipeline (4), a detection device (5) is arranged between the water pumping pipeline (4) and the circulating water supply system (6), the other end of the circulating water supply system (6) is communicated with a water discharging pipeline (8), and one end of the water discharging pipeline (8) is connected with a water discharging port (9);

the device comprises a circulating pump device (1), wherein the circulating pump device (1) comprises a mounting and connecting seat (111) which is positioned at one end of a mounting seat (2) and connected, one end of the mounting and connecting seat (111) is connected with a rare earth motor outer seat (112), the other end of the rare earth motor outer seat (112) is fixedly provided with a transmission cavity seat (114), a connecting bolt (113) is arranged between the rare earth motor outer seat (112) and the transmission cavity seat (114), one end of the transmission cavity seat (114) is connected with a harmonic pressurizing seat body (115), three water inlets (135) are uniformly distributed on the lower surface of the harmonic pressurizing seat body (115), a water inlet filter (116) is arranged in each of the three water inlets (135), three harmonic pressurizing cavities are uniformly distributed in the harmonic pressurizing seat body (115), and a harmonic generation gear bearing (120) is embedded in each pressurizing cavity, a harmonic generation seat (121) is installed at the center of the harmonic generation gear bearing (120), a sealing ring (122) is padded between the harmonic generation seat (121) and the harmonic pressurizing cavity, a round hole is formed in the center of the upper end face of the harmonic pressurizing seat body (115), a water outlet pipe installation seat (118) is connected in the round hole in a sealing mode, and a water outlet pipe (119) is fixedly installed at the center of the water outlet pipe installation seat (118);

the circulating pump device (1) is internally and sequentially divided into a rare earth motor device (10), a first-stage harmonic transmission device (20) positioned below the rare earth motor device (10), a gear linkage transmission device (30) positioned below the first-stage harmonic transmission device (20), a second-stage harmonic supercharging device (40) positioned below the gear linkage transmission device (30) and a natural water inlet and outlet device (50) positioned below the second-stage harmonic supercharging device (40) from top to bottom.

2. The system and the apparatus as claimed in claim 1, it is characterized in that a central gear bearing (117) is coaxially arranged above the water outlet pipe mounting seat (118), the upper end surface of the harmonic supercharging seat body (115) is covered and installed with a harmonic supercharging seat body upper cover (123), the lower end of the interior of the mounting and connecting seat (111) is provided with a rare earth motor upper end bearing mounting seat (126), the lower end of the interior of the mounting and connecting seat (111) is fixedly connected with a rare earth motor upper end bearing (124) through a rare earth motor upper end bearing mounting seat (126), a rare earth motor rotor end body (125) is embedded in the rare earth motor upper end bearing (124), the inner center of the mounting and connecting seat (111) is positioned on the outer side surface of the water outlet pipe (119) and is fixedly provided with a water outlet pipe upper end fixing seat (127).

3. The rare earth motor technology-applied tracking pump device and system according to claim 1, wherein a rare earth motor stator (131) is coaxially installed inside the rare earth motor outer seat (112), a rare earth motor rotor (132) is coaxially installed at the center of the inner side of the rare earth motor stator (131), a harmonic transition seat (133) is installed at the lower end of the rare earth motor rotor (132), a fan blade is installed at the lower end of the harmonic transition seat (133), and a transmission cavity (134) is arranged inside the transmission cavity seat (114).

4. The rare earth motor technology-based pump tracking device and system according to claim 3, wherein the rare earth motor device (10) comprises an excitation winding (102) and a rare earth motor stator section (101) located on an end face of a rare earth motor stator (131) and used for winding the excitation winding (102), the rare earth motor rotor (132) comprises a rare earth motor permanent magnet rotor S pole (103) and a rare earth motor permanent magnet rotor N pole (104), and the rare earth motor rotor (132) is made of permanent magnet rare earth material.

5. The rare earth motor technology applied tracking pump device and system according to claim 3, characterized in that the first harmonic transmission device (20) comprises a first harmonic flexible gear (202) connected with the rare earth motor rotor (132) through a harmonic transition seat (133), a first harmonic generator (203) is sleeved inside the first harmonic flexible gear (202), a first harmonic flexible bearing (204) is coaxially nested outside the first harmonic generator (203), and a first harmonic rigid gear (201) is meshed outside the first harmonic flexible gear (202).

6. The rare earth motor technology-based tracking device and system as claimed in claim 5, wherein the gear linkage transmission device (30) comprises a driving gear (304) fixedly connected with the first-order harmonic generator (203), a gear bearing (305) is installed in the middle of the driving gear (304), three driven gears (301) are meshed with the outside of the driving gear (304) in a circular and equidistant manner, a gear shaft (303) is arranged in the middle of each driven gear (301), and a gear transmission key (302) is arranged between each driven gear (301) and the gear shaft (303).

7. The tracking pump device and the system applying the rare earth motor technology according to claim 6, wherein the second harmonic pressurizing device (40) comprises a harmonic drive shaft (405) coaxially fixed at the lower end of the gear shaft (303), three second harmonic generators (403) are installed on the outer side of the harmonic drive shaft (405) in a circular shape at equal intervals, a harmonic drive key (406) is arranged at the joint of the harmonic drive shaft (405) and the second harmonic generators (403), a second harmonic flexible bearing (404) is embedded in the inner side of the second harmonic generators (403), a second harmonic flexible gear (402) is sleeved on the outer side of the second harmonic generators (403), the second harmonic generators (403) are meshed with second harmonic rigid gear cavities (401) through the second harmonic flexible gear (402), and teeth are arranged on the outer side of the second harmonic flexible gear (402) and the inner side of the second harmonic rigid gear cavities (401), and the outer teeth of the second harmonic flexible gear (402) are meshed with the inner teeth of the second harmonic rigid gear cavity (401).

8. The tracking pump device and the system applying the rare earth motor technology as claimed in claim 7, wherein the natural water inlet and outlet device (50) comprises a harmonic pressurizing cavity (503) located outside the second harmonic rigid wheel cavity (401) and a water inlet filter (502) located at one end of the water inlet filter (116), one end of the water inlet filter (502) is communicated with a water inlet channel (501), one side of the harmonic pressurizing cavity (503) is provided with a harmonic releasing cavity (504), one side of the harmonic releasing cavity (504) is provided with a water outlet cavity (505), and the water outlet cavity (505) is communicated with the water outlet pipe (119).

9. The pump-following device and system using rare-earth motor technology according to claim 1, wherein the detection device (5) comprises a water quality detector, a water temperature meter, a water pressure meter and other measurement devices for detecting water quality, water temperature and water pressure.

Technical Field

The invention relates to the technical field of a pump circulating system, in particular to a pump circulating device and a pump circulating system applying a rare earth motor technology.

Background

The circulating pump system, namely a circulating cooling water supply pump system (a pump refers to a water suction pump), is widely applied to large-scale industrial factories such as thermal power plants and the like, and is used for achieving the purposes of cooling equipment and the like for supplying water. The natural water in the cooling water tower is pumped out by using the water pump, and is transmitted to equipment needing water cooling through management, the temperature of the natural water for completing the work of the cooling equipment is raised, and the natural water is returned to the cooling water tower again for evaporation and heat dissipation, so that the natural water can be recycled.

In industrial projects, the circulating water supply system not only occupies a large proportion of the cost of water supply and drainage projects, but also is easy to cause problems, so that the resource waste caused by the problems and the inconvenience brought to operation management are not negligible, some circulating cooling water supply systems adopt variable-frequency control water supply for a cold water pump and constant-speed water supply for a hot water pump, and when water using equipment cannot run at full load, the results can be known as follows: the water level of the latter (hot water pool) is gradually reduced without flowing out, while the former (cold water pool) is supplied more than the demand and continuously overflows to cause serious waste of water resources, and the waste of the water pool is hidden and is not easy to be detected, so that attention and alertness of people are more aroused in the design process.

In industrial projects, according to different engineering practices, attention and alertness are paid to water quality problems of circulating water supply and cooling water supply systems, water replenishing systems, circulating water systems and the like, and it is necessary to save land occupation, one-time investment, operation cost, investment scale, operation cost and management work and meet local conditions.

However, the existing water pump mostly adopts an impeller pump, and the defects are as follows: the natural adsorption capacity is not available, the liquid is required to be filled, and the air-bound phenomenon exists; not suitable for high viscosity liquids; the mounting position is not appropriate; the operation efficiency is low; the device has the advantages of large operation vibration, easy failure, large driving energy consumption, poor energy-saving effect, large volume, insufficient integration of functions and the like. Accordingly, one skilled in the art provides a tracking pump device and system using rare earth motor technology to solve the above problems.

Disclosure of Invention

The present invention is directed to a tracking pump device and system using rare earth motor technology to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a circulating pump device and system applying rare earth motor technology comprises a river channel, a circulating water supply system and a river water filtering station established in the river channel, wherein a mounting seat is installed in the river water filtering station, a circulating pump device is installed in the river water filtering station through the mounting seat, one end of the river water filtering station is connected with a water pumping pipeline, the river water filtering station is communicated with the circulating water supply system through the water pumping pipeline, a detection device is arranged between the water pumping pipeline and the circulating water supply system, the other end of the circulating water supply system is communicated with a water discharging pipeline, and one end of the water discharging pipeline is connected with a water discharging port;

the device comprises a circulating pump device, the circulating pump device comprises an installation connecting seat connected with one end of an installation seat, one end of the installation connecting seat is connected with a rare earth motor outer seat, the other end of the rare earth motor outer seat is fixedly provided with a transmission cavity seat, a connecting bolt is arranged between the rare earth motor outer seat and the transmission cavity seat, one end of the transmission cavity seat is connected with a harmonic pressurizing seat body, three water inlets are uniformly distributed on the lower surface of the harmonic pressurizing seat body, water inlet filters are arranged inside the three water inlets, three harmonic pressurizing cavities are uniformly distributed inside the harmonic pressurizing seat body, a harmonic generation gear bearing is embedded in each pressurizing cavity, a harmonic generation seat is arranged at the center of the harmonic generation gear bearing, a sealing ring is padded between the harmonic generation seat and the harmonic pressurizing cavities, and a round hole is arranged at the center of the upper end surface of the harmonic pressurizing seat, a water outlet pipe mounting seat is hermetically connected in the round hole, and a water outlet pipe is fixedly mounted at the center of the water outlet pipe mounting seat;

the interior of the circulating pump device is sequentially divided into a rare earth motor device, a first-stage harmonic transmission device positioned below the rare earth motor device, a gear linkage transmission device positioned below the first-stage harmonic transmission device, a second-stage harmonic supercharging device positioned below the gear linkage transmission device and a natural water inlet and outlet device positioned below the second-stage harmonic supercharging device from top to bottom.

As a further scheme of the invention: the utility model discloses a rare earth motor rotor, including outlet pipe, harmonic pressure boost pedestal, rare earth motor upper end bearing mount pad, tombarthite motor upper end bearing, tombarthite motor rotor end body, the outside fixed mounting that the inside center department of erection joint seat lies in the outlet pipe has outlet pipe upper end fixing base.

As a still further scheme of the invention: the inside coaxial arrangement of tombarthite motor outer seat has tombarthite motor stator, and the inboard center department coaxial arrangement of tombarthite motor stator has tombarthite motor rotor, the harmonic transition seat is installed to the lower extreme of tombarthite motor rotor, and the lower extreme of harmonic transition seat installs the fan leaf, the inside of transmission cavity seat is provided with the transmission cavity.

As a still further scheme of the invention: the rare earth motor device comprises an excitation winding and a rare earth motor stator section which is positioned on the end face of the rare earth motor stator and is used for winding the excitation winding, the rare earth motor rotor comprises an S pole of a rare earth motor permanent magnet rotor and an N pole of the rare earth motor permanent magnet rotor, and the rare earth motor rotor is made of permanent magnet rare earth materials.

As a still further scheme of the invention: the first-order harmonic transmission device comprises a first-order harmonic flexible gear connected with a rare earth motor rotor through a harmonic transition seat, a first-order harmonic generator is sleeved inside the first-order harmonic flexible gear, a first-order harmonic flexible bearing is coaxially nested on the outer side of the first-order harmonic generator, and a first-order harmonic rigid gear is meshed on the outer side of the first-order harmonic flexible gear.

As a still further scheme of the invention: the gear linkage transmission device comprises a driving gear fixedly connected with a first-level harmonic generator, a gear bearing is mounted in the middle of the driving gear, three driven gears are meshed in a circular equidistant mode on the outer side of the driving gear, a gear shaft is arranged in the middle of each driven gear, and a gear transmission key is arranged between each driven gear and the gear shaft.

As a still further scheme of the invention: second harmonic supercharging device is including being located the coaxial fixed harmonic transmission shaft of gear shaft lower extreme, the outside of harmonic transmission shaft is circular equidistance and installs three second harmonic generator, and the junction of harmonic transmission shaft and second harmonic generator is provided with the harmonic drive key, second harmonic flexible bearing has been embedded into to second harmonic generator's inboard, and second harmonic generator's the outside has cup jointed the second harmonic flexible gear, second harmonic generator has second harmonic rigid gear chamber through second harmonic flexible gear meshing, the lateral surface of second harmonic flexible gear and the medial surface in second harmonic rigid gear chamber all are provided with the tooth, and the external tooth of second harmonic flexible gear and the internal tooth meshing in second harmonic rigid gear chamber mutually.

As a still further scheme of the invention: the natural water imports and exports the device and is included the harmonic pressure boost chamber that is located the second grade harmonic rigid wheel chamber outside and the filter bowl of intaking that is located water inlet filter one end, the one end intercommunication of the filter bowl of intaking has inhalant canal, one side in harmonic pressure boost chamber is provided with harmonic release chamber, one side in harmonic release chamber is provided with out the water cavity, it is linked together with the outlet pipe to go out the water cavity.

As a still further scheme of the invention: the detection device comprises a water quality detector, a water temperature meter, a water pressure meter and other measurement devices and is used for detecting water quality, water temperature and water pressure.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to a circulating pump device and a system applying rare earth motor technology, which can be directly installed in a river with natural water in actual operation, can be used only by building a primary filtering station in a river basin, have small volume and high integration level, realize high-efficiency driving and energy saving by applying a rare earth motor, have small transmission and increased vibration by adopting a harmonic mechanism, have long service life, have good speed regulation and energy saving performance in actual application, are easy to adapt and adjust to an optimal operation state, achieve the maximum efficiency in production, can directly cool by immersing in the river water in self-operation, can save complex building equipment such as a cooling tower in a conventional circulating pump system, and directly realize cooling by using river water circulation.

Drawings

FIG. 1 is an external mounting view of a tracking pump device and system using rare earth motor technology;

FIG. 2 is a top view, in full section, of a pump tracking apparatus and system utilizing rare earth motor technology;

FIG. 3 is a bottom view of a pump tracking device and system using rare earth motor technology;

FIG. 4 is a cross-sectional view of a rare earth motor device in a system and a pump device using rare earth motor technology;

FIG. 5 is a cross-sectional view of a first harmonic drive in a tracking pump device and system using rare earth motor technology;

FIG. 6 is a cross-sectional view of a gear linkage assembly in a tracking device and system using rare earth motor technology;

FIG. 7 is a cross-sectional view of a second harmonic booster in a tracking pump device and system using rare earth motor technology;

FIG. 8 is a cross-sectional view of a natural water inlet and outlet device in a system and a circulating pump device using rare earth motor technology;

FIG. 9 is a block diagram of a system and apparatus for a rare earth motor based tracking system.

In the figure: 1. a pump-following device; 2. a mounting seat; 3. a river water filtering station; 4. a water pumping pipeline; 5. a detection device; 6. a circulating water supply system; 7. a river channel; 8. a water discharge pipeline; 9. a water discharge outlet; 111. mounting a connecting seat; 112. a rare earth motor outer base; 113. a connecting bolt; 114. a transmission cavity seat; 115. a harmonic supercharging seat body; 116. a water inlet filter; 117. a central gear bearing; 118. a water outlet pipe mounting seat; 119. a water outlet pipe; 120. a harmonic generation gear bearing; 121. a harmonic generation base; 122. a seal ring; 123. an upper cover of the harmonic supercharging seat body; 124. the upper end bearing of the rare earth motor; 125. a rare earth motor rotor end body; 126. a bearing mounting seat at the upper end of the rare earth motor; 127. the upper end of the water outlet pipe is fixed with a fixing seat; 131. a rare earth motor stator; 132. a rare earth motor rotor; 133. a harmonic wave transition seat; 134. a transmission cavity; 135. a water inlet; 10. a rare earth motor device; 101. the section of the rare earth motor stator; 102. an excitation winding; 103. s pole of permanent magnet rotor of rare earth motor; 104. the rare earth motor permanent magnet rotor N pole; 20. a first harmonic drive; 201. a first harmonic rigid wheel; 202. a first harmonic flexspline; 203. a first order harmonic generator; 204. a first harmonic flexible bearing; 30. a gear linkage transmission device; 301. a driven gear; 302. a gear drive key; 303. a gear shaft; 304. a driving gear; 305. a gear bearing; 40. a second harmonic supercharging device; 401. a second harmonic rigid wheel cavity; 402. a second harmonic flexspline; 403. a second harmonic generator; 404. a second harmonic flexible bearing; 405. a harmonic drive shaft; 406. a harmonic drive key; 50. natural water inlet and outlet devices; 501. a water inlet channel; 502. a water inlet filter port; 503. a harmonic wave boosting cavity; 504. a harmonic release cavity; 505. a water outlet cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, in the embodiment of the present invention, a circulating pump device and a system using a rare earth motor technology include a river channel 7, a circulating water supply system 6, and a river water filtering station 3 established in the river channel 7, wherein a mounting seat 2 is installed in the river water filtering station 3, a circulating pump device 1 is installed in the river water filtering station 3 through the mounting seat 2, one end of the river water filtering station 3 is connected with a water pumping pipeline 4, the river water filtering station 3 is communicated with the circulating water supply system 6 through the water pumping pipeline 4, a detection device 5 is arranged between the water pumping pipeline 4 and the circulating water supply system 6, the detection device 5 includes measuring devices such as a water quality detector, a water temperature meter, and a water pressure meter, and the like, and is used for detecting water quality, water temperature, and water pressure, a water discharge pipeline 8 is communicated with the other end of the circulating water supply system 6, and a water discharge port 9 is connected with;

the device comprises a circulating pump device 1, wherein the circulating pump device 1 comprises an installation connecting seat 111 which is positioned at one end of an installation seat 2 and connected with the installation connecting seat, the installation connecting seat 111 is arranged above an outer seat 112 of the rare earth motor, the upper end of the installation connecting seat can be arranged in an inner hole of the installation seat 2 and is sealed through a sealing material; a transmission cavity seat 114 is fixedly installed at the other end of the rare earth motor outer seat 112 for sealing the transmission mechanism inside the pump device 1, a connecting bolt 113 is arranged between the rare earth motor outer seat 112 and the transmission cavity seat 114, one end of the transmission cavity seat 114 is connected with a harmonic pressurizing seat body 115, three water inlets 135 are uniformly distributed on the lower surface of the harmonic pressurizing seat body 115, water inlet filters 116 are arranged inside the three water inlets 135 for filtering impurities in river water and preventing the impurities from damaging the internal structure when pumping water, three harmonic pressurizing cavities are uniformly distributed inside the harmonic pressurizing seat body 115, a harmonic generation gear bearing 120 is embedded in each pressurizing cavity, a harmonic generation seat 121 is installed at the center of the harmonic generation gear bearing 120, when the harmonic generation seat 121 rotates due to transmission, the harmonic generation gear bearing 120 can reduce the friction resistance during rotation, a sealing ring 122 is padded between the harmonic generation seat 121 and the harmonic pressurizing cavity and is used for sealing river water and preventing river water from entering an internal mechanism, the sealing ring 122 is made of wear-resistant and high-temperature-resistant high polymer materials, a round hole is formed in the center of the upper end face of the harmonic pressurizing seat body 115, a water outlet pipe installation seat 118 is connected in the round hole in a sealing mode, a water outlet pipe 119 is fixedly installed in the center of the water outlet pipe installation seat 118 and is used for guiding river water pumped into the circulating pump device 1 upwards, a central gear bearing 117 is coaxially installed above the water outlet pipe installation seat 118 and is used for reducing the rotating friction force of an upper gear, an upper end face of the harmonic pressurizing seat body 115 is covered and installed with an upper harmonic pressurizing seat body cover 123, a sealing material is filled in the connection position and is used for sealing river water inside the harmonic pressurizing seat body 115, an upper end bearing installation seat 126 of a rare earth motor is installed at, the lower end of the inside of the mounting and connecting seat 111 is fixedly connected with a rare earth motor upper end bearing 124 through a rare earth motor upper end bearing mounting seat 126, a rare earth motor rotor end body 125 is embedded and mounted inside the rare earth motor upper end bearing 124, a water outlet pipe upper end fixing seat 127 is fixedly mounted at the inner center of the mounting and connecting seat 111 and positioned on the outer side surface of the water outlet pipe 119 and used for fixing the water outlet pipe 119, and the water outlet pipe upper end fixing seat 127 is designed with a gap structure so that a power supply and a control cable of a rare earth motor below can pass through;

the rare earth motor stator 131 is coaxially installed inside the rare earth motor outer seat 112, the rare earth motor rotor 132 is coaxially installed at the center of the inner side of the rare earth motor stator 131, the harmonic transition seat 133 is installed at the lower end of the rare earth motor rotor 132 and is used for being in transition connection with the first-stage harmonic transmission device 20 below, and the fan blade is installed at the lower end of the harmonic transition seat 133, when the rare earth motor rotor 132 drives the harmonic transition seat 133 to rotate, the fan blade rotates to generate rotating airflow and flows in the transmission cavity 134, heat dissipation is facilitated, the transmission cavity 134 is arranged inside the transmission cavity seat 114, and the transmission cavity 134 is a cavity of a transmission mechanism inside the pump device 1.

The interior of the circulating pump device 1 is sequentially divided into rare earth motor devices 10 from top to bottom for providing power for pumping water of the circulating pump device 1, then the rare earth motor devices 10 drive a first-stage harmonic transmission device 20 below to realize speed-increasing transmission, the first-stage harmonic transmission device 20 drives a gear linkage transmission device 30 below to rotate in a transmission manner, then the gear linkage transmission device 30 drives three groups of pressure-increasing harmonic devices of a second-stage harmonic pressure-increasing device 40 below to provide pressure-increasing kinetic energy for pumping water, and after pressure increasing, the natural water inlet and outlet device 50 is used for pumping water and introducing the water into an inner cavity.

The rare earth motor device 10 comprises an excitation winding 102 and a rare earth motor stator section 101 which is positioned on the end face of a rare earth motor stator 131 and used for winding the excitation winding 102, a rare earth motor rotor 132 comprises a rare earth motor permanent magnet rotor S pole 103 and a rare earth motor permanent magnet rotor N pole 104, and the rare earth motor rotor 132 is made of permanent magnet rare earth materials.

The first harmonic transmission device 20 includes a first harmonic flexible gear 202 connected with the rare earth motor rotor 132 through a harmonic transition seat 133, a first harmonic generator 203 is sleeved inside the first harmonic flexible gear 202, a first harmonic flexible bearing 204 is coaxially nested outside the first harmonic generator 203, a first harmonic rigid gear 201 is meshed outside the first harmonic flexible gear 202, and when the rare earth motor rotor 132 rotates, the first harmonic flexible gear 202 is driven to rotate to drive the first harmonic generator 203 to rotate, so as to achieve a speed increasing effect.

It should be noted that: the harmonic drive of the invention utilizes a controllable elastic deformation constructed to realize the transmission of mechanical motion, the harmonic drive usually consists of three basic components, including a first-order harmonic rigid gear 201 with internal teeth, a first-order harmonic flexible gear 202 which can generate radial elastic deformation and has external teeth during working and a first-order harmonic generator 203 which is arranged in the flexible gear and is in an ellipse shape, and the outer ring of the first-order harmonic flexible gear 202 is provided with a first-order harmonic flexible bearing 204, the number of external teeth of the first-order harmonic flexible gear 202 is less than the number of internal teeth of the first-order harmonic rigid gear 201, when the first-order harmonic generator 203 rotates, the external teeth of the first-order harmonic flexible gear 202 correspondingly and in the major axis direction are just completely engaged with the internal teeth of the; in the minor axis direction, the external teeth are completely separated from the internal teeth, when the first-order harmonic rigid gear 201 is fixed and the first-order harmonic generator 203 rotates, the external teeth of the first-order harmonic flexible gear 202 are sequentially meshed into and out of the internal teeth of the first-order harmonic rigid gear 201, and the radial displacement of any point on the gear ring of the first-order harmonic flexible gear 202 is changed to be similar to a sine wave shape, so that the transmission is called as harmonic transmission;

the harmonic transmission has the advantages of large transmission ratio, stable transmission, high bearing capacity, small volume and weight for transmitting unit torque, capability of reducing the volume by 20-50% under the same condition, small and uniform tooth surface abrasion and high transmission efficiency, when the structure is reasonable and the lubricating effect is good, the efficiency can reach 0.85 for the transmission of i & lt100 & gt, the transmission precision is high, under the condition of the same manufacturing precision, the precision of the harmonic transmission can be one level higher than that of the common gear transmission, if the tooth surface is well ground, the precision of the harmonic gear transmission is 4 times higher than that of the common gear transmission, the motion can be transmitted through the sealing wall, and other transmission mechanisms are difficult to realize.

The gear linkage transmission device 30 comprises a driving gear 304 fixedly connected with the first-level harmonic generator 203, a gear bearing 305 is installed in the middle of the driving gear 304, three driven gears 301 are meshed with the outer side of the driving gear 304 in a circular equidistant mode, a gear shaft 303 is arranged in the middle of each driven gear 301, a gear transmission key 302 is arranged between each driven gear 301 and the corresponding gear shaft 303, the three driven gears 301 are evenly distributed around the driving gear 304 in a circumferential mode, and when the first-level harmonic generator 203 above drives the driving gear 304 to rotate, the three driven gears 301 rotate in a driven mode.

The second harmonic supercharging device 40 comprises a harmonic drive shaft 405 coaxially fixed at the lower end of the gear shaft 303, three second harmonic generators 403 are circularly and equidistantly installed on the outer side of the harmonic drive shaft 405, a harmonic drive key 406 is arranged at the joint of the harmonic drive shaft 405 and the second harmonic generators 403, a second harmonic flexible bearing 404 is embedded in the inner side of the second harmonic generators 403, second harmonic flexible wheels 402 are sleeved on the outer side of the second harmonic generators 403, the second harmonic generators 403 are meshed with second harmonic rigid wheel cavities 401 through the second harmonic flexible wheels 402, teeth are arranged on the outer side surfaces of the second harmonic flexible wheels 402 and the inner side surfaces of the second harmonic rigid wheel cavities 401, the outer teeth of the second harmonic flexible wheels 402 are meshed with the inner teeth of the second harmonic rigid wheel cavities 401, the natural water inlet and outlet device 50 comprises a harmonic supercharging cavities 503 positioned on the outer side of the second harmonic rigid wheel cavities 401 and a water inlet filter 502 positioned at one end of the water inlet filter, one end of the water inlet filter 502 is communicated with a water inlet channel 501, one side of the harmonic pressurizing cavity 503 is provided with a harmonic releasing cavity 504, one side of the harmonic releasing cavity 504 is provided with a water outlet cavity 505, the water outlet cavity 505 is communicated with the water outlet pipe 119,

when the driven gear 301 drives the second-order harmonic generator 403 to rotate, the second-order harmonic generator 403 drives the second-order harmonic flexible gear 402, the second-order harmonic flexible gear 402 is continuously meshed with the gear teeth of the second-order harmonic rigid gear cavity 401 along with rotation to continuously form a harmonic pressurizing cavity 503, the next instantaneous harmonic pressurizing cavity 503 is released to generate negative pressure to suck river water, the river water is sucked through the water inlet filter 502, flows through the water inlet channel 501, continuously enters the harmonic pressurizing cavity 503, is driven to the harmonic releasing cavity 504 along with rotation, and the river water at the three circumferentially distributed harmonic releasing cavities 504 flows into the water outlet cavity 505 and is pressed into the water outlet pipe 119 located above.

The pump-following system of the invention is specifically: a river water filtering station 3 is established in a river channel 7 and is completely immersed in water, a totally-enclosed filter screen is adopted for filtering large impurities in the water, a circulating pump device 1 is arranged on a mounting seat 2 in the river water filtering station 3 and is used for sucking the river water, the river water is filtered by three uniformly-distributed water inlet filters 116 at the bottom end of the circulating pump device 1 to filter impurities in water quality, then a rare earth motor stator 131 is electrified to generate a rotating magnetic field to drive a rare earth motor rotor 132 applying rare earth permanent magnetic materials to rotate at a high speed, further, a first-stage harmonic flexible wheel 202 is driven to rotate, a first-stage harmonic generator 203 is driven and amplified to rotate at an accelerated speed, further, three groups of driven gears 301 uniformly distributed on the circumference are driven to rotate by driving a driving gear 304, a second-stage harmonic generator 403 is respectively driven to rotate, the second-stage harmonic flexible wheel 402 is driven to pressurize, so that the river water, and the circulation pump unit 1 is totally immersed in water, and is naturally cooled by the river water, and the transmission cavity 134 in the circulation pump unit 1 forms the gas circulation, makes it obtain better cooling effect in water, and finally, the river water that inhales the circulation pump unit 1 passes through the pumping pipeline 4, spreads into in the circulation water supply system 6, supplies the external circulation to use, and can carry out quality of water, temperature and water pressure etc. to the water in the pumping pipeline 4 through detection device 5 and detect, and finally, the high temperature river water that uses flows out through the drainage pipeline 8, discharges into in the river course 7 through the drain outlet 9.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.