Stator and rotor driving equipment of sewage delivery pump

By designing the stator drive equipment of the sewage delivery pump, the heat of the reducer and the filter net are used to extract the reducer from the heat and filter to prevent dust from entering, the problem of poor heat dissipation effect of the reducer in the high temperature environment in the prior art is solved, and more efficient heat dissipation effect and longer service life are achieved.

CN222668401UActive Publication Date: 2025-03-25CHONGQING KANGJIA PUMP MFG CO LTD
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Patent Information

Application Number
CN202421313893.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-25
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing gear reducer equipped with high efficiency single screw pump cannot effectively reduce the cooling when the liquid conveyed is high, which reduces the cooling effect.

Method used

A stator drive device for sewage delivery pump is designed, including a base, a single screw pump body and a drive assembly. The drive assembly includes a housing, a reducer, a drive motor, a transmission member, a fan blade and a filter. The fan blade drives heat out of the shell and passes through the filter to prevent dust from entering, achieving effective heat dissipation of the reducer.

Benefits of technology

It effectively improves the heat dissipation effect of the reducer, avoids dust affecting heat dissipation, extends the service life of the reducer, and improves working efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of driving equipment, in particular to stator and rotor driving equipment of a sewage delivery pump, which comprises a base, a single-screw pump body and a driving component, the driving assembly comprises a shell, a speed reducer, a driving motor, a transmission component, a mounting frame, a rotating shaft, fan blades and a first filter screen, the shell is fixedly connected with the base, the speed reducer is connected with the shell, the driving motor is connected with the base, the output end of the driving motor is connected with the input end of the speed reducer, the mounting frame is fixedly connected with the shell, and the rotating shaft is rotationally connected with the mounting frame; the fan blades are fixedly connected with the rotating shaft, the first filter screen is fixedly connected with the shell, the driving motor drives the transmission component to work in the working process, the transmission component drives the rotating shaft to rotate, then the rotating shaft drives the fan blades to rotate, the fan blades can extract heat generated when the speed reducer works out of the shell, and the purpose of improving the heat dissipation effect on the speed reducer body is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of driving equipment, in particular to a stator and rotor driving equipment of a sewage delivery pump. Background Art

[0002] Sewage is often transported by a single-screw pump. The driving structure of a single-screw pump includes a motor and a reducer. The traditional driving structure does not have a heat dissipation function. The reducer and motor will generate heat when working for a long time. Excessive temperature will affect the use of the reducer.

[0003] Prior art CN215950305U discloses a gear reducer for a high-efficiency single-screw pump, which solves the problem in the prior art that the reducer often generates heat due to long-term operation. If the temperature is too high, the reducer cannot work normally, which reduces the working efficiency and also affects the service life of the reducer. A gear reducer for a high-efficiency single-screw pump includes a bottom plate, a base is provided on the top of the bottom plate, a reducer body is fixedly connected to the top of the base, and a driving motor and a screw pump are fixedly connected to both sides of the reducer body, respectively, the screw pump is connected to a water inlet pipe, a soft water pipe is wound around the driving motor, a heat conducting plate is fixedly connected to the top of the reducer body, a heat dissipating fin is fixedly connected to the top of the heat conducting plate, and a copper tube is wound around the heat dissipating fin. The utility model facilitates cooling the reducer, avoids affecting its normal operation, and improves working efficiency and service life.

[0004] The above device can cool the reducer, but it cools the reducer through the transported liquid. Thus, when the temperature of the transported liquid is high, it cannot effectively cool the reducer, thereby reducing the cooling effect. Utility Model Content

[0005] The utility model aims to provide a stator-rotor driving device for a sewage delivery pump, which solves the problem that the gear reducer of an existing high-efficiency single-screw pump cannot effectively cool down the delivered liquid when the temperature is high, thereby reducing the cooling effect.

[0006] To achieve the above-mentioned purpose, the utility model provides a stator-rotor driving device of a sewage delivery pump, comprising a base and a single-screw pump body, the single-screw pump body being mounted on the base, and also comprising a driving assembly; the driving assembly comprising a housing, a reducer, a drive motor, a transmission component, a mounting frame, a rotating shaft, a fan blade and a first filter screen, the housing being fixedly connected to the base and being located on one side of the base, the reducer being connected to the housing and being connected to the single-screw pump body and being located inside the housing, the drive motor being connected to the base and being located on one side of the base, the output end of the drive motor being connected to the input end of the reducer, the transmission component being arranged on the output end of the drive motor, the mounting frame being fixedly connected to the housing and being located inside the housing, the rotating shaft being rotatably connected to the mounting frame and penetrating the mounting frame, the fan blade being fixedly connected to the rotating shaft and being arranged on the rotating shaft, and the first filter screen being fixedly connected to the housing and being located on one side of the housing.

[0007] Wherein, the driving assembly also includes a mounting shaft and a cleaning brush, the mounting shaft is fixedly connected to the rotating shaft and passes through the first filter; the cleaning brush is fixedly connected to the mounting shaft, abuts against the first filter, and is located at one end of the mounting shaft.

[0008] Wherein, the shell has an air inlet, which is arranged on the shell and located on one side of the shell; the drive assembly also includes a second filter, which is fixedly connected to the shell and located on one side of the shell close to the air inlet.

[0009] Wherein, the transmission component includes a driving bevel gear, a driven bevel gear, a connecting shaft, a driving wheel, a driven wheel and a transmission belt, the driving bevel gear is arranged on the driving motor and connected to the output end of the driving motor; the connecting shaft is rotatably connected to the outer shell and is located inside the outer shell; the driven bevel gear is fixedly connected to the connecting shaft, meshes with the driving bevel gear, and is located at one end of the connecting shaft; the driving wheel is fixedly connected to the connecting shaft and sleeved on the connecting shaft; the driven wheel is fixedly connected to the rotating shaft and is located at one end of the rotating shaft; the transmission belt is rotatably connected to the driving wheel, rotatably connected to the driven wheel, and sleeved on both sides of the driving wheel and the driven wheel.

[0010] Among them, the single-screw pump body includes a pump body, a stator, a transmission shaft, a universal joint, an intermediate shaft and a rotor. The pump body is fixedly connected to the base and is located on one side of the base; the stator is fixedly connected to the pump body and is located inside the pump body; the transmission shaft is rotatably connected to the pump body, connected to the output end of the reducer, and is arranged on the pump body; the universal joint is connected to the transmission shaft and is located at one end of the transmission shaft; the intermediate shaft is connected to the universal joint and is arranged on the universal joint; the rotor is connected to the intermediate shaft, abuts against the stator, and is located on the inner side of the stator.

[0011] The utility model provides a stator and rotor driving device for a sewage delivery pump. During the operation of the driving motor, the transmission component is driven to work, so that the transmission component drives the rotating shaft to rotate, and then the rotating shaft drives the fan blades to rotate, so that the fan blades can extract the heat generated by the reducer when it is working out of the casing. At the same time, the first filter screen is used to prevent external dust from entering the casing, and dust is prevented from adhering to the reducer to affect heat dissipation, thereby achieving the purpose of improving the heat dissipation effect of the reducer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the stator and rotor driving device of the sewage delivery pump according to the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the transmission component of the first embodiment of the utility model.

[0015] Figure 3 The first embodiment of the utility model Figure 2 Enlarged view of point A.

[0016] Figure 4 It is a schematic diagram of the installation structure of the rotor of the second embodiment of the utility model.

[0017] In the figure: 101-base, 102-single screw pump body, 103-drive assembly, 104-housing, 105-reducer, 106-drive motor, 107-transmission component, 108-mounting frame, 109-rotating shaft, 110-fan blades, 111-first filter, 112-mounting shaft, 113-cleaning brush, 114-air inlet, 115-second filter, 116-driving bevel gear, 117-driven bevel gear, 118-connecting shaft, 119-driving wheel, 120-driven wheel, 121-transmission belt, 201-pump body, 202-stator, 203-transmission shaft, 204-universal joint, 205-intermediate shaft, 206-rotor. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] First embodiment:

[0020] See also Figures 1 to 3 ,in Figure 1 This is the overall structural diagram of the stator and rotor drive equipment of the sewage pump. Figure 2 It is a schematic diagram of the structure of the transmission components. Figure 3 yes Figure 2 Enlarged view of point A.

[0021] The utility model provides a stator-rotor driving device of a sewage delivery pump, including a base 101, a single-screw pump body 102 and a driving assembly 103, wherein the driving assembly 103 includes a housing 104, a reducer 105, a driving motor 106, a transmission component 107, a mounting frame 108, a rotating shaft 109, a fan blade 110, a first filter screen 111, a mounting shaft 112, a cleaning brush 113 and a second filter screen 115, wherein the housing 104 has an air inlet 114, and the transmission component 107 includes a driving bevel gear 116, a driven bevel gear 117, a connecting shaft 118, a driving wheel 119, a driven wheel 120 and a transmission belt 121, drive the transmission component 107 to rotate through the drive motor 106, so that the transmission component 107 drives the rotating shaft 109 to rotate, and then the rotating shaft 109 can drive the fan blades 110 to rotate, and the fan blades 110 draw the heat generated by the reducer 105 when working out of the housing 104, so as to achieve the purpose of dissipating the heat of the reducer 105. It can be understood that the above-mentioned scheme can be used when dissipating the heat of the reducer 105, and can also be used to solve the problem of cleaning the first filter 111.

[0022] According to this specific implementation, the single screw pump body 102 is installed on the base 101 , and sewage is transported through the single screw pump body 102 .

[0023] The housing 104 is fixedly connected to the base 101 and is located on one side of the base 101. The reducer 105 is connected to the housing 104 and is connected to the single-screw pump body 102 and is located inside the housing 104. The drive motor 106 is connected to the base 101 and is located on one side of the base 101. The output end of the drive motor 106 is connected to the input end of the reducer 105. The transmission member 107 is arranged on the output end of the drive motor 106. The mounting frame 108 is fixedly connected to the housing 104 and is located inside the housing 104. The rotating shaft 109 is rotatably connected to the mounting frame 108 and passes through the mounting frame 108. The fan blade 110 is fixedly connected to the rotating shaft 109 and is arranged on the rotating shaft 109. The first filter 111 is fixedly connected to the housing 104 and is located inside the housing 104. one side; the transmission component 107 can drive the rotating shaft 109 to rotate, and the fan blades 110 are arranged in plurality and are evenly distributed on the rotating shaft 109. When the driving motor 106 is working, the power is transmitted to the input end of the reducer 105, and the reducer 105 drives the single-screw pump body 102 to work after reducing the power; in the process of the driving motor 106 working, the transmission component 107 is driven to work, so that the transmission component 107 drives the rotating shaft 109 to rotate, and then the rotating shaft 109 drives the fan blades 110 to rotate, so that the fan blades 110 can extract the heat generated by the reducer 105 when working out of the housing 104, and at the same time, the first filter 111 is used to prevent external dust from entering the housing 104, and to prevent dust from adhering to the reducer 105 and affecting heat dissipation, thereby achieving the purpose of improving the heat dissipation effect of the reducer 105 body.

[0024] Secondly, the mounting shaft 112 is fixedly connected to the rotating shaft 109 and passes through the first filter 111; the cleaning brush 113 is fixedly connected to the mounting shaft 112, abuts against the first filter 111, and is located at one end of the mounting shaft 112; when the rotating shaft 109 rotates, it drives the mounting shaft 112 to rotate, so that the mounting shaft 112 drives the cleaning brush 113 to rotate, and then the cleaning brush 113 cleans the dust attached to the first filter 111 to avoid clogging of the first filter 111 and affecting the air circulation.

[0025] At the same time, the air inlet 114 is arranged on the shell 104 and is located on one side of the shell 104; the drive component 103 also includes a second filter 115, the second filter 115 is fixedly connected to the shell 104, and is located on a side of the shell 104 close to the air inlet 114; the outside cold air can enter the shell 104 through the air inlet 114, and at the same time, the air entering the shell 104 is filtered by the second filter 115 to prevent outside dust from entering the shell 104.

[0026] In addition, the active bevel gear 116 is arranged on the driving motor 106 and connected to the output end of the driving motor 106; the connecting shaft 118 is rotatably connected to the housing 104 and is located inside the housing 104; the driven bevel gear 117 is fixedly connected to the connecting shaft 118, meshes with the active bevel gear 116, and is located at one end of the connecting shaft 118; the driving wheel 119 is fixedly connected to the connecting shaft 118 and sleeved on the connecting shaft 118; the driven wheel 120 is fixedly connected to the rotating shaft 109 and is located at one end of the rotating shaft 109; the transmission belt 121 is rotatably connected to the driving wheel 119, rotatably connected to the driven wheel 120, and sleeved on the rotating shaft 109; The driving wheel 119 and the driven wheel 120 are on both sides; when the driving motor 106 is working, the output end of the driving motor 106 drives the driving bevel gear 116 to rotate, and the driving bevel gear 116 drives the driven bevel gear 117 to rotate, so that the driven bevel gear 117 drives the connecting shaft 118 and the driving wheel 119 to rotate, and the driving wheel 119 drives the transmission belt 121 to rotate, and the transmission belt 121 drives the driven wheel 120 to rotate, and the driven wheel 120 drives the rotating shaft 109 to rotate, thereby achieving the purpose of driving the rotating shaft 109 to rotate, and at the same time, the rotating shaft 109 is driven to rotate by the operation of the driving motor 106, thereby avoiding the use of additional driving equipment.

[0027] When the stator-rotor driving device of the sewage delivery pump of this embodiment is used, when the driving motor 106 is working, it drives the active bevel gear 116 to rotate, so that the active bevel gear 116 drives the driven bevel gear 117 to rotate, and the driven bevel gear 117 drives the connecting shaft 118 and the driving wheel 119 to rotate, thereby driving the transmission belt 121 and the driven wheel 120 to rotate, so that the driven wheel 120 drives the rotating shaft 109 and the fan blades 110 to rotate, so that the fan blades 110 extract heat from the housing 104, and at the same time, the external cold air enters the housing 104 through the air inlet 114, so as to achieve the purpose of dissipating heat from the reducer 105 and improving the heat dissipation effect.

[0028] Second embodiment:

[0029] Based on the first embodiment, please refer to Figure 4 , Figure 4 2 is a schematic diagram of the installation structure of the rotor of the second embodiment. The single-screw pump body 102 of this embodiment includes a pump body 201 , a stator 202 , a transmission shaft 203 , a universal joint 204 , a connecting shaft 118 and a rotor 206 .

[0030] According to this specific embodiment, the pump body 201 is fixedly connected to the base 101 and is located on one side of the base 101; the stator 202 is fixedly connected to the pump body 201 and is located inside the pump body 201; the transmission shaft 203 is rotatably connected to the pump body 201, connected to the output end of the reducer 105, and arranged on the pump body 201; the universal joint 204 is connected to the transmission shaft 203 and is located at one end of the transmission shaft 203; the intermediate shaft 205 is connected to the universal joint 204 and is arranged on the universal joint 204; the rotor 206 is connected to the intermediate shaft 205 and is connected to the output end of the reducer 105. The stator 202 abuts against and is located on the inner side of the stator 202; an inlet and a discharge port are provided on the pump body 201. When the drive motor 106 is working, power is input to the reducer, and the output end of the reducer 105 drives the transmission shaft 203 to rotate, so that the transmission shaft 203 drives the universal joint 204, the intermediate shaft 205 and the rotor 206 to rotate. Since the lead of the stator 202 is twice the pitch of the rotor 206, a series of closed cavities with a phase angle of 180° are formed, which continuously move from the inlet of the pump body 201 to the discharge port as the rotor 206 rotates, thereby achieving the purpose of conveying sewage.

[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A stator-rotor driving device for a sewage delivery pump, comprising a base and a single-screw pump body, wherein the single-screw pump body is mounted on the base, characterized in that: Also included is a drive assembly; The driving assembly includes a shell, a reducer, a driving motor, a transmission component, a mounting frame, a rotating shaft, a fan blade and a first filter screen. The shell is fixedly connected to the base and is located on one side of the base. The reducer is connected to the shell and to the single-screw pump body and is located inside the shell. The driving motor is connected to the base and is located on one side of the base. The output end of the driving motor is connected to the input end of the reducer. The transmission component is arranged on the output end of the driving motor. The mounting frame is fixedly connected to the shell and is located inside the shell. The rotating shaft is rotatably connected to the mounting frame and passes through the mounting frame. The fan blade is fixedly connected to the rotating shaft and is arranged on the rotating shaft. The first filter screen is fixedly connected to the shell and is located on one side of the shell.

2. The stator-rotor driving device of the sewage delivery pump according to claim 1, characterized in that: The driving assembly also includes a mounting shaft and a cleaning brush. The mounting shaft is fixedly connected to the rotating shaft and passes through the first filter. The cleaning brush is fixedly connected to the mounting shaft, abuts against the first filter, and is located at one end of the mounting shaft.

3. The stator-rotor driving device of the sewage delivery pump according to claim 1, characterized in that: The shell has an air inlet, which is arranged on the shell and located on one side of the shell; the drive assembly also includes a second filter, which is fixedly connected to the shell and located on one side of the shell close to the air inlet.

4. The stator-rotor driving device of the sewage delivery pump according to claim 1, characterized in that: The transmission component includes a driving bevel gear, a driven bevel gear, a connecting shaft, a driving wheel, a driven wheel and a transmission belt. The driving bevel gear is arranged on the driving motor and connected to the output end of the driving motor; the connecting shaft is rotatably connected to the housing and is located inside the housing; The driven bevel gear is fixedly connected to the connecting shaft, meshes with the driving bevel gear, and is located at one end of the connecting shaft; the driving wheel is fixedly connected to the connecting shaft and sleeved on the connecting shaft; the driven wheel is fixedly connected to the rotating shaft and is located at one end of the rotating shaft; the transmission belt is rotationally connected to the driving wheel and rotationally connected to the driven wheel, and sleeved on both sides of the driving wheel and the driven wheel.

5. The stator-rotor driving device of the sewage delivery pump according to claim 1, characterized in that: The single-screw pump body includes a pump body, a stator, a transmission shaft, a universal joint, an intermediate shaft and a rotor. The pump body is fixedly connected to the base and is located on one side of the base; the stator is fixedly connected to the pump body and is located inside the pump body; the transmission shaft is rotationally connected to the pump body, connected to the output end of the reducer, and is arranged on the pump body; the universal joint is connected to the transmission shaft and is located at one end of the transmission shaft; the intermediate shaft is connected to the universal joint and is arranged on the universal joint; the rotor is connected to the intermediate shaft, abuts against the stator, and is located on the inner side of the stator.