CN202531472U - Single-stage double-suction axially split pump - Google Patents
Single-stage double-suction axially split pump Download PDFInfo
- Publication number
- CN202531472U CN202531472U CN2012200948763U CN201220094876U CN202531472U CN 202531472 U CN202531472 U CN 202531472U CN 2012200948763 U CN2012200948763 U CN 2012200948763U CN 201220094876 U CN201220094876 U CN 201220094876U CN 202531472 U CN202531472 U CN 202531472U
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Abstract
The utility model discloses a single-stage double-suction axially split pump comprising a shaft, a throttling bush, a shaft sleeve, an impeller, double-suction sealing rings, a water sealing pipe, a pump cover and a pump body, wherein the pump cover and the pump body are matched with the shaft and sleeved on the shaft; the shaft and the pump body are fixed through a bearing body; the shaft sleeve is arranged on the shaft; after being matched with each other, the pump cover and the pump body form a cavity together with the shaft sleeve; the cavity is internally provided with filler or a mechanical seal for sealing and the filler or the mechanical seal is fixed by a filler gland or a mechanical seal gland; the parts of the impeller in contact with the pump cover and the pump body are provided with the double-suction sealing rings; and a water sealing pipe is provided with an adjusting valve. The single-stage double-suction axially split pump has the beneficial effects that cavities for respectively containing the filler and the mechanical seal are integrated into a whole and the filler and the mechanical seal can be interchanged; the adjusting valve is arranged between the water sealing pipe and a four-way valve, thereby avoiding leakage caused by overlarge flushing water flow and prolonging the service life of the single-stage double-suction axially split pump; through arrangement of the throttling bush for sealing, the seal failure is reduced and the service life of the mechanical seal is prolonged.
Description
Technical field
The utility model belongs to the centrifugal pump technical field, is specifically related to a kind of single-stage double-suction middle-opening pump.
Background technique
The single-stage double-suction middle-opening pump has wide range of applications, and is widely used in town water supply, power station water supply, field irrigation, mine water delivery, the heat supply circulation send water, fire-fighting to send industries such as water, sewage treatment and metallurgy, papermaking, chemical fertilizer, chemical industry.At present, when conveyor belt solid particle or Korrosionsmedium, situation such as leakage rate is big, Sealing (filler or machine envelope) damages easily, sealing reliability is poor, the working life of pump is short usually can appear in traditional single-stage double-suction middle-opening pump.In addition, when changing Sealing (filler changes the machine envelope into or the machine envelope changes filler into), complex procedures, have in addition to process the pump housing, pump cover again or change seal chamber.
The model utility content
The purpose of the utility model is to the problem that exists in the above-mentioned existing technology a kind of single-stage double-suction middle-opening pump to be provided, and not only can change Sealing (filler or machine envelope) easily at the scene, and sealing is reliable, leakage rate is little, has prolonged the working life of pump.
For achieving the above object, the technological scheme that the utility model is taked is: a kind of single-stage double-suction middle-opening pump is provided, comprises axle, axle sleeve, impeller, double suction seal ring, water sealing (sealing water) pipe, pump cover; It is characterized in that: also comprise nockbush, the pump housing; Said pump cover and pump housing engage sleeves are in the outside of axle; Said axle is fixed through bearing support with the pump housing; Said axle arranged outside has axle sleeve; Form cavity after the said pump cover and the pump housing cooperate and between the axle sleeve; The filler that is used to seal or machine envelope is housed in the said cavity, and fixedly filler or machine seal through Gland or machine sealed cover; Contact position between said impeller and pump cover, the pump housing is provided with the double suction seal ring; Said water sealing (sealing water) pipe is provided with modulating valve.
Said bearing support is connected through bolt with the pump housing.
Be provided with band spiral fluted nockbush between said filler or machine envelope and the impeller; Said nockbush is arranged on the outside of axle sleeve.
Said pump cover both sides are provided with filler and use the water sealing (sealing water) pipe mounting hole with water sealing (sealing water) pipe mounting hole and machine envelope.
When in the said cavity filler being arranged, also be provided with the packing ring that matches with the water sealing (sealing water) pipe mounting hole with filler in the said cavity.
Said single-stage double-suction middle-opening pump comprises two water sealing (sealing water) pipes; One end of water sealing (sealing water) pipe is connected with the four-way valve that the pump cover top is provided with through modulating valve, and the other end of water sealing (sealing water) pipe is connected with the water sealing (sealing water) pipe mounting hole with water sealing (sealing water) pipe mounting hole or machine envelope with the filler that is arranged on the pump cover both sides.
Said water sealing (sealing water) pipe is the plastic-aluminum pipe.
The single-stage double-suction middle-opening pump that the utility model provides has following beneficial effect:
1, the cavity of charge and machine envelope is made consistent, with Gland or the joining part of machine sealed cover make consistent, guaranteed that filler and machine seal exchange;
2, the filler of pump cover both sides setting is used the water sealing (sealing water) pipe mounting hole with water sealing (sealing water) pipe mounting hole and machine envelope; Guaranteed that the single-stage double-suction middle-opening pump can change water sealing (sealing water) pipe at the scene easily (according to two kinds of situation of filler or machine envelope; The filler flush position is different with machine envelope flush position), avoid the single-stage double-suction middle-opening pump is split out other processing flushing hole;
3, be provided with modulating valve between water sealing (sealing water) pipe and the four-way valve, can regulate washing water quantity easily, be in only flushing flow rate when guaranteeing flushing filler or machine envelope, avoid the leakage that causes because of washing water quantity is excessive, prolong the working life of single-stage double-suction middle-opening pump;
4, the water sealing (sealing water) pipe material has guaranteed to change at the scene when filler seals with the water sealing (sealing water) pipe mounting hole with water sealing (sealing water) pipe mounting hole or machine and needn't change water sealing (sealing water) pipe in addition with the plastic-aluminum pipe of deformable and certain intensity, can get final product by direct crooked water sealing (sealing water) pipe;
5, with the sealing of band spiral fluted nockbush, can guarantee that filler changes machine into and is honored as a queen, need not take off nockbush, reduce seal leakage, prolong machine and sealed working life; While spiral fluted one-way; Guaranteed that solid particle or Korrosionsmedium in the single-stage double-suction middle-opening pump pump housing can not get into Seal cage; And solid particle or impurity in the Seal cage can pass through spiral chute; Under centrifugal action, enter in the pump housing, strengthened the reliability of sealing, prolonged the life-span of Sealing and single-stage double-suction middle-opening pump.
Description of drawings
The structural representation of first kind of single-stage double-suction middle-opening pump that Fig. 1 provides for the utility model.
The structural representation of second kind of single-stage double-suction middle-opening pump that Fig. 2 provides for the utility model.
Wherein, 1, bearing support; 2, axle; 301, Gland; 302, machine sealed cover; 4, packing ring; 501, filler; 502, machine envelope; 6, nockbush; 7, axle sleeve; 8, impeller; 9, modulating valve; 10, double suction seal ring; 11, water sealing (sealing water) pipe; 12, plug screw; 13, pump cover; 14, the pump housing.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is carried out detailed description.
The structural representation of two kinds of mode of executions of single-stage double-suction middle-opening pump that Fig. 1 and Fig. 2 provide for the utility model.
Like Fig. 1 and shown in Figure 2, this single-stage double-suction middle-opening pump comprises axle 2, nockbush 6, axle sleeve 7, impeller 8, double suction seal ring 10, water sealing (sealing water) pipe 11, pump cover 13, the pump housing 14; The pump cover 13 and the outside of the pump housing 14 engage sleeves at axle 2; Axle 2 is fixing through bearing support 1 with the pump housing 14; Axle 2 arranged outside have axle sleeve 7; Form cavity between pump cover 13 and the pump housing 14 cooperation backs and the axle sleeve 7; The filler 501 that is used to seal or machine envelope 502 is housed in the cavity, and fixedly filler or machine seal through Gland 301 or machine sealed cover 302; Contact position between impeller 8 and pump cover 13, the pump housing 14 is provided with double suction seal ring 10; Water sealing (sealing water) pipe 11 is provided with modulating valve 9.
Be provided with band spiral fluted nockbush 6 between filler 501 or machine envelope 502 and the impeller 8; Nockbush 6 is arranged on the outside of axle sleeve 7.
When in the cavity filler 501 being arranged, also be provided with the packing ring 4 that matches with the water sealing (sealing water) pipe mounting hole with filler in the cavity.
This single-stage double-suction middle-opening pump comprises two water sealing (sealing water) pipes 11; One end of water sealing (sealing water) pipe 11 is connected with the four-way valve that pump cover 13 tops are provided with through modulating valve, and the other end of water sealing (sealing water) pipe 11 is connected with the water sealing (sealing water) pipe mounting hole with water sealing (sealing water) pipe mounting hole or machine envelope with the filler that is arranged on pump cover 13 both sides.
It is to be noted that the above only is the preferred implementation of the utility model; For those skilled in the art; On the basis that does not break away from principle; Be easy to the utility model is carried out some improvement and modification, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (7)
1. a single-stage double-suction middle-opening pump comprises axle (2), axle sleeve (7), impeller (8), double suction seal ring (10), water sealing (sealing water) pipe (11), pump cover (13); It is characterized in that: also comprise nockbush (6), the pump housing (14); Said pump cover (13) and the pump housing (14) engage sleeves are in the outside of axle (2); Said axle (2) is fixing through bearing support (1) with the pump housing (14); Said axle (2) arranged outside has axle sleeve (7); Form cavity after the said pump cover (13) and the pump housing (14) cooperate and between the axle sleeve (7); The filler (501) that is used to seal or machine envelope (502) is housed in the said cavity, and fixedly filler or machine seal through Gland (301) or machine sealed cover (302); Contact position between said impeller (8) and pump cover (13), the pump housing (14) is provided with double suction seal ring (10); Said water sealing (sealing water) pipe (11) is provided with modulating valve (9).
2. single-stage double-suction middle-opening pump according to claim 1 is characterized in that: said bearing support (1) is connected through bolt with the pump housing (14).
3. single-stage double-suction middle-opening pump according to claim 1 is characterized in that: be provided with band spiral fluted nockbush (6) between said filler (501) or machine envelope (502) and the impeller (8); Said nockbush (6) is arranged on the outside of axle sleeve (7).
4. single-stage double-suction middle-opening pump according to claim 1 is characterized in that: said pump cover (13) both sides are provided with filler and use the water sealing (sealing water) pipe mounting hole with water sealing (sealing water) pipe mounting hole and machine envelope.
5. according to claim 1 or 3 described single-stage double-suction middle-opening pumps, it is characterized in that: when filler (501) is arranged in the said cavity, also be provided with the packing ring (4) that matches with the water sealing (sealing water) pipe mounting hole with filler in the said cavity.
6. according to claim 1 or 4 described single-stage double-suction middle-opening pumps, it is characterized in that: comprise two water sealing (sealing water) pipes (11); One end of water sealing (sealing water) pipe (11) is connected with the four-way valve that pump cover (13) top is provided with through modulating valve, and the other end of water sealing (sealing water) pipe (11) is connected with the water sealing (sealing water) pipe mounting hole with water sealing (sealing water) pipe mounting hole or machine envelope with the filler that is arranged on pump cover (13) both sides.
7. single-stage double-suction middle-opening pump according to claim 6 is characterized in that: said water sealing (sealing water) pipe (11) is the plastic-aluminum pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200948763U CN202531472U (en) | 2012-03-14 | 2012-03-14 | Single-stage double-suction axially split pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200948763U CN202531472U (en) | 2012-03-14 | 2012-03-14 | Single-stage double-suction axially split pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531472U true CN202531472U (en) | 2012-11-14 |
Family
ID=47132661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200948763U Expired - Fee Related CN202531472U (en) | 2012-03-14 | 2012-03-14 | Single-stage double-suction axially split pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531472U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337842A (en) * | 2016-11-17 | 2017-01-18 | 上海阿波罗机械股份有限公司 | Freezing water pump used by nuclear power station |
| CN106762796A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump |
| CN107620737A (en) * | 2017-09-30 | 2018-01-23 | 上海阿波罗机械股份有限公司 | Centrifugal pump |
| CN107829972A (en) * | 2017-09-06 | 2018-03-23 | 武汉船用机械有限责任公司 | A kind of Cargo Oil Pump |
| CN110657099A (en) * | 2019-09-29 | 2020-01-07 | 湖州瑞晨环保科技有限公司 | Single-stage double-suction horizontal self-priming pump |
| CN111188774A (en) * | 2020-01-06 | 2020-05-22 | 合肥皖化电泵有限公司 | High pressure resistant circulating pump structure |
-
2012
- 2012-03-14 CN CN2012200948763U patent/CN202531472U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337842A (en) * | 2016-11-17 | 2017-01-18 | 上海阿波罗机械股份有限公司 | Freezing water pump used by nuclear power station |
| CN106762796A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump |
| CN107829972A (en) * | 2017-09-06 | 2018-03-23 | 武汉船用机械有限责任公司 | A kind of Cargo Oil Pump |
| CN107829972B (en) * | 2017-09-06 | 2019-11-08 | 武汉船用机械有限责任公司 | A kind of Cargo Oil Pump |
| CN107620737A (en) * | 2017-09-30 | 2018-01-23 | 上海阿波罗机械股份有限公司 | Centrifugal pump |
| CN110657099A (en) * | 2019-09-29 | 2020-01-07 | 湖州瑞晨环保科技有限公司 | Single-stage double-suction horizontal self-priming pump |
| CN111188774A (en) * | 2020-01-06 | 2020-05-22 | 合肥皖化电泵有限公司 | High pressure resistant circulating pump structure |
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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: 20121114 Termination date: 20160314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |