CN103912514A - Water lubrication sliding bearing device for long shaft pump - Google Patents

Water lubrication sliding bearing device for long shaft pump Download PDF

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Publication number
CN103912514A
CN103912514A CN201310644552.1A CN201310644552A CN103912514A CN 103912514 A CN103912514 A CN 103912514A CN 201310644552 A CN201310644552 A CN 201310644552A CN 103912514 A CN103912514 A CN 103912514A
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CN
China
Prior art keywords
bearing
pump
water
shaft
rubber bush
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310644552.1A
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Chinese (zh)
Inventor
程建强
李秀鹏
王家斌
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Shandong Shuanglun Co Ltd
Original Assignee
Shandong Shuanglun Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Shuanglun Co Ltd filed Critical Shandong Shuanglun Co Ltd
Priority to CN201310644552.1A priority Critical patent/CN103912514A/en
Publication of CN103912514A publication Critical patent/CN103912514A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of engineering pumps, in particular to a water lubrication sliding bearing device for a long shaft pump. The water lubrication sliding bearing device for the long shaft pump comprises a pump body, a suction segment, a water outlet elbow pipe, an impeller, a pump shaft, an upper bearing support body, a lower bearing support body and a padding sealing device, wherein the upper bearing support body is composed of an upper rubber bearing and an upper bearing bush, and the lower bearing support body is composed of a lower rubber bearing and a lower bearing bush. The water lubrication sliding bearing device for the long shaft pump is characterized by being provided with a protection tube, wherein the protection tube sleeves the pump shaft in the pump body, the upper end of the protection tube is connected with the upper bearing bush in sealing mode, and the lower end of the protection tube is connected with the lower bearing bush in sealing mode. The water lubrication sliding bearing device for the long shaft pump has the advantages of being novel in design, reliable in structure, convenient to use, diverse in transmission medium, small in rotor abrasion, difficult to damage, small in vibration, stable in running, low in material requirement of a sliding bearing, low in cost, high in transmission efficiency, easy to process, wide in application range, good in lubrication effect, resisting corrosion and the like.

Description

Long-shaft pump water lubrication sliding bearing device
Technical field
The present invention relates to pump for engineering technical field, specifically a kind of long-shaft pump water lubrication sliding bearing device.
Background technique
As everyone knows, long-shaft pump is that active force liquid being produced by the blade of spinning roller impeller makes the pump of liquid along axial direction conveying, that one utilizes vane rotary to produce thrust (lift) to water body, fluid is guided to outlet by lift by blade, axially enter, Axial-running Out, has the advantages such as flow is large.It comprises the pump housing, suction casing, Discharging bent-tube, impeller, pump shaft, upper bearing (metal) supporting mass, lower bearing supporting mass and stuffing seal, described stuffing seal comprises stuffing box, Gland and filler, described pump housing lower end is fixedly connected with suction chamber, upper end is fixedly connected with Discharging bent-tube, pump shaft is located at pump housing center, upper end is connected with motor with upper bearing (metal) support device through the stuffing seal being fixed on Discharging bent-tube, lower end is fixedly connected with impeller through the lower bearing supporting mass in suction casing, impeller is equipped with 2~7 blades conventionally, fixed guide vane is housed on the pump case of upper impeller conventionally, in order to eliminate rotatablely moving of liquid, make it to become axial motion, and the kinetic energy rotatablely moving is changed into pressure energy.Its deficiency is: a traditional long-shaft pump structure does not have axle protective gear mostly, causes long-shaft pump fed sheet of a media single, can only carry clear water, can not carry and contain the liquid such as impurity, particle, and using scope is limited; Two, under larger liquid when the degree of depth, because pump shaft is elongated, the coaxality of long-shaft pump operation can not be guaranteed, and dynamic balancing is poor, serious wear, when pump operation poor stability, operation, noise is large, and vibration is large, and efficiency is low, and pump rotor is fragile, especially sliding bearing, has increased maintenance cost.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of modern design, reliable in structure, easy to use, fed sheet of a media is diversified, rotor wearing and tearing are little, not fragile, it is little to vibrate, operate steadily, material for sliding bearing requirement is low, cost is low, transmission efficiency is high, the long-shaft pump water lubrication sliding bearing device of easy processing, corrosion-resistant, applied widely, high lubricating effect.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of long-shaft pump water lubrication sliding bearing device, comprise the pump housing, suction casing, Discharging bent-tube, impeller, pump shaft, upper bearing (metal) supporting mass, lower bearing supporting mass and stuffing seal, described upper bearing (metal) bearing device is to be made up of upper rubber bush bearing and upper bearing (metal) lining, lower bearing supporting mass is to be made up of lower rubber bush bearing and lower bearing lining, it is characterized in that being provided with pillar, on the pump shaft of described protective pipe sleeve in the pump housing, pillar upper end is connected with upper bearing (metal) seal with buss, lower end is connected with lower bearing seal with buss, so that pillar forms protection chamber to pump shaft, make pump shaft and fed sheet of a media isolation, reach using scope wide, fed sheet of a media variation, stable effect.
The present invention can be provided with cleaning hose, stuffing box lower end in described stuffing seal is provided with water-inlet cavity, water-inlet cavity one side is provided with water intake, cleaning hose one end is connected with water intake, the other end is connected with water source, water-inlet cavity outlet is corresponding with upper bearing (metal) supporting mass, the wheel rim of described impeller is provided with equalizing orifice, make high pressure washing liquid enter the water-inlet cavity of stuffing box through cleaning hose, gap through water-inlet cavity along between upper rubber bush bearing and pump shaft enters in pillar, gap through between pump shaft and lower rubber bush bearing and the equalizing orifice on wheel rim are discharged again, the flushing of not only pump shaft having been carried out, and, also upper rubber bush bearing and lower rubber bush bearing are carried out to the effect of water lubrication.
The present invention also can be provided with pump shaft bearing device in the pump housing, it comprises bearing support, rubber bush bearing, bearing sleeve and axle sleeve, axle sleeve fixed cover is on pump shaft, rubber bush bearing internal diameter contacts with axle sleeve, external diameter is fixedly connected with bearing sleeve through fastening screw trip bolt, bearing sleeve is fixedly connected with bearing support, bearing support is in support is fixed on the pump housing, described bearing sleeve two ends are sealedly and fixedly connected with pillar respectively, so that elongated pump shaft is in the process of running up, reach concentricity requirement, make bearing wear little, not fragile, pump shaft vibration is little, operate steadily, long service life.
The present invention is owing to adopting said structure, has modern design, reliable in structure, an advantage such as easy to use, fed sheet of a media is diversified, rotor wearing and tearing are little, not fragile, it is little to vibrate, operate steadily, material for sliding bearing requirement is low, cost is low, transmission efficiency is high, easy processing, corrosion-resistant, applied widely, high lubricating effect.
brief description of the drawings
Fig. 1 is structural representation of the present invention.
Reference character: the pump housing 1, suction casing 2, Discharging bent-tube 3, impeller 4, pump shaft 5, upper rubber bush bearing 6, upper bearing (metal) lining 7, lower rubber bush bearing 8, lower bearing lining 9, pillar 10, cleaning hose 11, stuffing box 12, water-inlet cavity 13, bearing support 14, rubber bush bearing 15, bearing sleeve 16, axle sleeve 17.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of long-shaft pump water lubrication sliding bearing device, comprise the pump housing 1, suction casing 2, Discharging bent-tube 3, impeller 4, pump shaft 5, upper bearing (metal) supporting mass, lower bearing supporting mass and stuffing seal, described upper bearing (metal) bearing device is to be made up of upper rubber bush bearing 6 and upper bearing (metal) lining 7, lower bearing supporting mass is to be made up of lower rubber bush bearing 8 and lower bearing lining 9, it is characterized in that being provided with pillar 10, described pillar 10 is enclosed within on the pump shaft 5 in the pump housing 1, pillar 10 upper ends and upper bearing (metal) lining 7 are tightly connected, lower end and lower bearing lining 9 are tightly connected, so that pillar 10 forms protection chamber to pump shaft 5, make pump shaft 5 and fed sheet of a media isolation, reach using scope wide, fed sheet of a media variation, stable effect.
The present invention can be provided with cleaning hose 11, stuffing box 12 lower ends in described stuffing seal are provided with water-inlet cavity 13, water-inlet cavity 13 1 sides are provided with water intake, cleaning hose 11 one end are connected with water intake, the other end is connected with water source, water-inlet cavity 13 outlets are corresponding with upper bearing (metal) supporting mass, the wheel rim of described impeller 4 is provided with equalizing orifice, make high pressure washing liquid enter the water-inlet cavity 13 of stuffing box through cleaning hose 11, gap through water-inlet cavity 13 along between upper rubber bush bearing 6 and pump shaft 5 enters in pillar 10, equalizing orifice on gap and impeller 4 wheel rims between pump shaft 5 and lower rubber bush bearing 6 is discharged again, the flushing of not only pump shaft 5 having been carried out, and, also upper rubber bush bearing 6 and lower rubber bush bearing 8 are carried out to the effect of water lubrication.
The present invention also can be provided with pump shaft bearing device in the pump housing 1, it comprises bearing support 14, rubber bush bearing 15, bearing sleeve 16 and axle sleeve 17, axle sleeve 17 fixed covers are on pump shaft 5, rubber bush bearing 16 internal diameters contact with axle sleeve 17, external diameter is fixedly connected with bearing sleeve 16 through fastening screw trip bolt, bearing sleeve 16 is fixedly connected with bearing support 14, bearing support 14 is in support is fixed on the pump housing 1, described bearing sleeve 16 two ends are sealedly and fixedly connected with pillar 10 respectively, so that elongated pump shaft 5 is in the process of running up, reach concentricity requirement, make bearing wear little, not fragile, pump shaft vibration is little, operate steadily, long service life.
Most preferred embodiment of the present invention: a kind of long-shaft pump water lubrication sliding bearing device, comprise the pump housing 1, suction casing 2, Discharging bent-tube 3, impeller 4, pump shaft 5, upper bearing (metal) supporting mass, lower bearing supporting mass and stuffing seal, described upper bearing (metal) bearing device is to be made up of upper rubber bush bearing 6 and upper bearing (metal) lining 7, lower bearing supporting mass is to be made up of lower rubber bush bearing 8 and lower bearing lining 9, it is characterized in that being provided with pillar 10, described pillar 10 is enclosed within on the pump shaft 5 in the pump housing 1, pillar 10 upper ends and upper bearing (metal) lining 7 are tightly connected, lower end and lower bearing lining 9 are tightly connected, so that pillar 10 forms protection chamber to pump shaft 5, make pump shaft 5 and fed sheet of a media isolation, reach using scope wide, fed sheet of a media variation, stable effect, the present invention can be provided with cleaning hose 11, stuffing box 12 lower ends in described stuffing seal are provided with water-inlet cavity 13, water-inlet cavity 13 1 sides are provided with water intake, cleaning hose 11 one end are connected with water intake, the other end is connected with water source, water-inlet cavity 13 outlets are corresponding with upper bearing (metal) supporting mass, the wheel rim of described impeller 4 is provided with equalizing orifice, make high pressure washing liquid enter the water-inlet cavity 13 of stuffing box through cleaning hose 11, gap through water-inlet cavity 13 along between upper rubber bush bearing 6 and pump shaft 5 enters in pillar 10, equalizing orifice on gap and impeller 4 wheel rims between pump shaft 5 and lower rubber bush bearing 6 is discharged again, the flushing of not only pump shaft 5 having been carried out, and, also upper rubber bush bearing 6 and lower rubber bush bearing 8 are carried out to the effect of water lubrication, the present invention also can be provided with pump shaft bearing device in the pump housing 1, it comprises bearing support 14, rubber bush bearing 15, bearing sleeve 16 and axle sleeve 17, axle sleeve 17 fixed covers are on pump shaft 5, rubber bush bearing 16 internal diameters contact with axle sleeve 17, external diameter is fixedly connected with bearing sleeve 16 through fastening screw trip bolt, bearing sleeve 16 is fixedly connected with bearing support 14, bearing support 14 is in support is fixed on the pump housing 1, described bearing sleeve 16 two ends are sealedly and fixedly connected with pillar 10 respectively, so that elongated pump shaft 5 is in the process of running up, reach concentricity requirement, make bearing wear little, not fragile, pump shaft vibration is little, operate steadily, long service life.
The present invention is in the time of work; inject high pressure washing liquid by cleaning hose 11 to the water intake of stuffing box 12; under the protection chamber of high pressure washing liquid by upper rubber bush bearing, pump shaft and pillar, rubber bush bearing box, the groove of rubber bush bearing is lubricated and rinses bearing; last high pressure washing liquid enters outside pump runner excavationg pump by the equalizing orifice of impeller 4, so just can protection chamber is lubricated and be rinsed.
The present invention is owing to adopting said structure, has modern design, reliable in structure, an advantage such as easy to use, fed sheet of a media is diversified, rotor wearing and tearing are little, not fragile, it is little to vibrate, operate steadily, material for sliding bearing requirement is low, cost is low, transmission efficiency is high, easy processing, corrosion-resistant, applied widely, high lubricating effect.

Claims (3)

1. a long-shaft pump water lubrication sliding bearing device, comprise the pump housing, suction casing, Discharging bent-tube, impeller, pump shaft, upper bearing (metal) supporting mass, lower bearing supporting mass and stuffing seal, described upper bearing (metal) bearing device is to be made up of upper rubber bush bearing and upper bearing (metal) lining, lower bearing supporting mass is to be made up of lower rubber bush bearing and lower bearing lining, it is characterized in that being provided with pillar, on the pump shaft of described protective pipe sleeve in the pump housing, pillar upper end is connected with upper bearing (metal) seal with buss, and lower end is connected with lower bearing seal with buss.
2. a kind of long-shaft pump water lubrication sliding bearing device according to claim 1, it is characterized in that being provided with cleaning hose, stuffing box lower end in described stuffing seal is provided with water-inlet cavity, water-inlet cavity one side is provided with water intake, cleaning hose one end is connected with water intake, the other end is connected with water source, water-inlet cavity outlet is corresponding with upper bearing (metal) supporting mass, the wheel rim of described impeller is provided with equalizing orifice, make high pressure washing liquid enter the water-inlet cavity of stuffing box through cleaning hose, gap through water-inlet cavity along between upper rubber bush bearing and pump shaft enters in pillar, gap through between pump shaft and lower rubber bush bearing and the equalizing orifice on wheel rim are discharged again.
3. a kind of long-shaft pump water lubrication sliding bearing device according to claim 1, it is characterized in that being provided with in the described pump housing pump shaft bearing device, it comprises bearing support, rubber bush bearing, bearing sleeve and axle sleeve, axle sleeve fixed cover is on pump shaft, rubber bush bearing internal diameter contacts with axle sleeve, and external diameter is fixedly connected with bearing sleeve through fastening screw trip bolt, and bearing sleeve is fixedly connected with bearing support, bearing support is in support is fixed on the pump housing, and described bearing sleeve two ends are sealedly and fixedly connected with pillar respectively.
CN201310644552.1A 2013-12-05 2013-12-05 Water lubrication sliding bearing device for long shaft pump Pending CN103912514A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310644552.1A CN103912514A (en) 2013-12-05 2013-12-05 Water lubrication sliding bearing device for long shaft pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310644552.1A CN103912514A (en) 2013-12-05 2013-12-05 Water lubrication sliding bearing device for long shaft pump

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CN103912514A true CN103912514A (en) 2014-07-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194767A (en) * 2016-08-05 2016-12-07 江苏亚梅泵业集团有限公司 A kind of anticorrosive anti-wear circulating pump and installation method thereof
CN107917085A (en) * 2017-10-31 2018-04-17 武汉船用机械有限责任公司 Electronic deep-well ballast pump

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62251495A (en) * 1986-04-23 1987-11-02 Torishima Seisakusho:Kk Lubrication of bearing for vertical shaft pump
CN2763583Y (en) * 2004-11-24 2006-03-08 上海凯泉泵业(集团)有限公司 Vertical long axle pump
CN2918818Y (en) * 2006-06-21 2007-07-04 温州市腾宇泵阀制造有限公司 Large power vertical magnetically-actuated conduit pump
CN101418810A (en) * 2008-12-04 2009-04-29 石家庄强大泵业集团有限责任公司 Seawater desulphurization vertical diagonal flow pump
CN202001329U (en) * 2011-03-22 2011-10-05 湖南湘电长沙水泵有限公司 Vertical type wet pit pumpable type submerged long shaft pump
CN102691676A (en) * 2012-06-14 2012-09-26 中国水电顾问集团华东勘测设计研究院 Long-axis deep well pump with sand-proof function
CN202811458U (en) * 2012-10-28 2013-03-20 山东双轮股份有限公司 Self-lubricating sliding bearing device for pump type long shafts
CN203570643U (en) * 2013-12-05 2014-04-30 山东双轮股份有限公司 Water lubricating sliding bearing device for long shaft pump

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62251495A (en) * 1986-04-23 1987-11-02 Torishima Seisakusho:Kk Lubrication of bearing for vertical shaft pump
CN2763583Y (en) * 2004-11-24 2006-03-08 上海凯泉泵业(集团)有限公司 Vertical long axle pump
CN2918818Y (en) * 2006-06-21 2007-07-04 温州市腾宇泵阀制造有限公司 Large power vertical magnetically-actuated conduit pump
CN101418810A (en) * 2008-12-04 2009-04-29 石家庄强大泵业集团有限责任公司 Seawater desulphurization vertical diagonal flow pump
CN202001329U (en) * 2011-03-22 2011-10-05 湖南湘电长沙水泵有限公司 Vertical type wet pit pumpable type submerged long shaft pump
CN102691676A (en) * 2012-06-14 2012-09-26 中国水电顾问集团华东勘测设计研究院 Long-axis deep well pump with sand-proof function
CN202811458U (en) * 2012-10-28 2013-03-20 山东双轮股份有限公司 Self-lubricating sliding bearing device for pump type long shafts
CN203570643U (en) * 2013-12-05 2014-04-30 山东双轮股份有限公司 Water lubricating sliding bearing device for long shaft pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194767A (en) * 2016-08-05 2016-12-07 江苏亚梅泵业集团有限公司 A kind of anticorrosive anti-wear circulating pump and installation method thereof
CN107917085A (en) * 2017-10-31 2018-04-17 武汉船用机械有限责任公司 Electronic deep-well ballast pump
CN107917085B (en) * 2017-10-31 2019-12-06 武汉船用机械有限责任公司 Electric deep well ballast pump

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Application publication date: 20140709