CN201535265U - Submersible sewage pump - Google Patents
Submersible sewage pump Download PDFInfo
- Publication number
- CN201535265U CN201535265U CN2009200715333U CN200920071533U CN201535265U CN 201535265 U CN201535265 U CN 201535265U CN 2009200715333 U CN2009200715333 U CN 2009200715333U CN 200920071533 U CN200920071533 U CN 200920071533U CN 201535265 U CN201535265 U CN 201535265U
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- pump
- motor
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- model
- impeller
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- Expired - Fee Related
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- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a submersible sewage pump which is characterized in that a heat-sensitive element is arranged in a motor, and a motor shaft is a through shaft; a float switch and an oil-water probe are arranged in a control casing; an impeller is arranged in a pump body and is installed at the lower end of the motor shaft of the motor, the upper face and the lower face of a pump cover are respectively provided with a mechanical seal on the motor shaft, a sealing ring is arranged between the impeller and a water inlet of a pump base, and lubricating oil is filled into an oil chamber of the pump cover; the heat-sensitive element, the float switch and the oil-water probe are all connected with a contactless power switch electrically; and the utility model has the advantages that a control device is installed in the pump body, an organic whole is formed, and the installation and the use are convenient. Moreover, the utility model can realize automatic control. When the liquid level rises to a high-order state, the utility model is automatically started; when the liquid level drops to a low-order state, the utility model is automatically stopped; the utility model is automatically shut down when the temperature of the motor is too high, which is caused by the occurrence of faults or the long-time overload operation of components, such as a bearing, the mechanical seals and the like; and the utility model enhances the automation degree, the safety and the reliability.
Description
[technical field]
The utility model relates to the Submerged Motor Pumps technical field, specifically a kind of proof submersible sand discharging pump.
[background technique]
Proof submersible sand discharging pump is widely used in occasions such as building site, hospital, municipal administration, traffic, residential quarters, hotel and carries out blowdown, sewage treatment etc.At present, the proof submersible sand discharging pump that draining is used has a dual mode in control: a kind of is to adopt manual monitoring, opens and stop the running of submersible pump according to the height of water level by the special messenger, and deficiency is to need the special messenger to nurse, and automaticity is not high, uses inconvenience; Another kind is the start and stop of adopting external electric control box control pump, and electric control element adopts electromagnetism contact control element more in this mode, complex structure, and the life-span is short, poor reliability, rate of fault height; And electric control box separates with the pump housing, and installation, transportation and use are all inconvenient, need take certain space during installation.
[summary of the invention]
The utility model is at the deficiencies in the prior art, and a kind of easy to use, integrated automatic mining explosion-proof submersible sand discharging pump that automaticity is high is provided.When liquid reaches high water level and is provided with, start operation automatically; When liquid reaches low water level and is provided with, out of service automatically; When fault takes place, out of service automatically.
The utility model adopts following technical solution: a kind of proof submersible sand discharging pump, comprise loam cake, wiring casing, motor, control housing, pump cover, the pump housing and pump seat, and each several part links together, and the joint is equipped with seal ring; It is characterized in that: in the wiring casing control box is installed, is provided with non-contact power switch in the control box, power line is electrically connected with motor by non-contact power switch; Be provided with thermosensitive element in the motor, motor shaft is an axis; Be provided with switch and profit probe in the control housing; Be provided with impeller in the pump housing, impeller is installed in the motor shaft lower end of motor, respectively is provided with a mechanical seal in the top and bottom of pump cover on the motor shaft, is provided with seal ring between the water intake of impeller and pump seat, in the grease chamber of pump cover lubricant oil is housed; Thermosensitive element, switch and profit probe all are electrically connected with non-contact power switch; In addition, also be provided with high-order liquid level sensor and the low level liquid level sensor that is electrically connected with non-contact power switch.
The utility model beneficial effect: control gear is installed in the pump housing, becomes an organic whole, made things convenient for and installed and use.And can realize automatic control, when liquid level rises to a high position and is provided with, start automatically; When liquid level drops to low level and is provided with, autostop; When parts such as bearing, mechanical seal break down or long-time overload operation is shut down when causing motor overheating automatically.Automaticity and safety reliability have been improved.
[description of drawings]
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is Automatic Control Theory figure of the present utility model.
Wherein: 1, pump seat, 2, impeller, 3, impeller nut, 4, the pump housing, 5, pump cover, 6, the grease chamber, 7, mechanical seal, 8, switch, 9, bearing, 10, bearing gland, 11, motor, 12, the wiring casing, 13, control box, 14, suspension hook, 15, elastic cable paper, 16, loam cake, 17, flat board, 18, bearing, 19, thermosensitive element, 20, profit probe, 21, seal ring, 22, motor shaft, 23, control housing, 24, high-order liquid level sensor, 25, the low level liquid level sensor, 26, non-contact power switch.
[embodiment]
As shown in Figure 1, a kind of proof submersible sand discharging pump of the present utility model is a vertical structure, comprise loam cake 16, wiring casing 12, motor 11, control housing 23, pump cover 5, the pump housing 4 and pump seat 1 from top to bottom successively, each several part links together by screw, and the joint is equipped with seal ring.Be connected with suspension hook 14 with screw on the loam cake 16, so that handling.The middle part of wiring casing 12 is provided with on dull and stereotyped 17, dull and stereotyped 17 control box 13 is installed, and is provided with non-contact power switch 26 (referring to Fig. 2) in the control box 13, and the elastic cable paper 15 that connects power supply is realized being electrically connected with motor 11 by the non-contact power switch 26 in the control box 13.Motor 11 is the same with existing submersible sewage pump structure, also comprise casing, staor winding and rotor coil, motor shaft 22 is housed in the rotor coil, difference is to be provided with thermosensitive element 19 in it, when associated components breaks down or long-time overload operation causes when overheated, thermosensitive element 19 control motors 11 shut down automatically.Motor shaft 22 is an axis, and its upper end is installed in the bearing 18 that is arranged in wiring casing 12 bottoms, and the lower end is installed in the bearing 9 that is arranged in control housing 23 middle parts, and the upper end of bearing 9 is provided with the bearing gland 10 that is fixed on the control housing 23.Be provided with switch 8 and profit probe 20 in the control housing 23, switch 8 is installed on the bearing gland 10.Be provided with impeller 2 in the pump housing 4, impeller 2 is installed in the lower end of motor shaft 22 by impeller nut 3, respectively is provided with a mechanical seal 7 in the top and bottom of pump cover 5 on the motor shaft 22, is provided with seal ring 21 between the water intake of impeller 2 and pump seat 1.Concave surface in the pump cover 5 forms grease chamber 6, be contained with lubricant oil in it, when the mechanical seal of bottom is broken down, sewage will enter in the grease chamber 6 and mix with lubricant oil, and profit probe 20 will measure, and sends signal, stop water pump operation by non-contact power switch 26 controls: when the mechanical seal on top is broken down, switch 8 in the control housing 23 will measure, and sends signal, stops water pump operation by non-contact power switch 26 controls.In addition, the utility model also is provided with high-order liquid level sensor 24 and the low level liquid level sensor 25 that is installed in the sewage reservoir.
As shown in Figure 2, Automatic Control Theory of the present utility model is: when liquid level arrived a high position, high-order liquid level sensor 24 issued a signal to control box 13, started water pump operations by non-contact power switch 26 controls.When liquid level arrived low level, low level liquid level sensor 25 sent signal, stopped water pump operation by non-contact power switch 26 controls.When because long-time overload operation, when causing motor 11 overheated, the thermosensitive elements 19 in the motor 11 issue a signal to control box 13, stop water pump operation by non-contact power switch 26 controls.When mechanical seal 7 is broken down, send signal by switch 8 in the control housing 23 or profit probe 20, stop water pump operation by non-contact power switch 26 controls.When bearing breaks down everywhere, can cause in the motor 11 temperature too high, send signal by thermosensitive element 19 equally, stop water pump operation by non-contact power switch 26 controls.
Claims (1)
1. a proof submersible sand discharging pump comprises loam cake, wiring casing, motor, control housing, pump cover, the pump housing and pump seat, and each several part links together, and the joint is equipped with seal ring; It is characterized in that: in the wiring casing control box is installed, is provided with non-contact power switch in the control box, power line is electrically connected with motor by non-contact power switch; Be provided with thermosensitive element in the motor, motor shaft is an axis; Be provided with switch and profit probe in the control housing; Be provided with impeller in the pump housing, impeller is installed in the motor shaft lower end of motor, respectively is provided with a mechanical seal in the top and bottom of pump cover on the motor shaft, is provided with seal ring between the water intake of impeller and pump seat, in the grease chamber of pump cover lubricant oil is housed; Thermosensitive element, switch and profit probe all are electrically connected with non-contact power switch; In addition, also be provided with high-order liquid level sensor and the low level liquid level sensor that is electrically connected with non-contact power switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200715333U CN201535265U (en) | 2009-05-04 | 2009-05-04 | Submersible sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200715333U CN201535265U (en) | 2009-05-04 | 2009-05-04 | Submersible sewage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535265U true CN201535265U (en) | 2010-07-28 |
Family
ID=42535044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200715333U Expired - Fee Related CN201535265U (en) | 2009-05-04 | 2009-05-04 | Submersible sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279168A (en) * | 2014-09-12 | 2015-01-14 | 南通远东微特电机有限公司 | Novel cooling pump |
-
2009
- 2009-05-04 CN CN2009200715333U patent/CN201535265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279168A (en) * | 2014-09-12 | 2015-01-14 | 南通远东微特电机有限公司 | Novel cooling pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20150504 |
|
| EXPY | Termination of patent right or utility model |