CN203906365U - Vertical pump with bearing cooling and lubricating device - Google Patents
Vertical pump with bearing cooling and lubricating device Download PDFInfo
- Publication number
- CN203906365U CN203906365U CN201420285261.8U CN201420285261U CN203906365U CN 203906365 U CN203906365 U CN 203906365U CN 201420285261 U CN201420285261 U CN 201420285261U CN 203906365 U CN203906365 U CN 203906365U
- Authority
- CN
- China
- Prior art keywords
- pump
- standpipe
- water
- pump shaft
- thordon
- 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.)
- Expired - Fee Related
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a vertical pump with a bearing cooling and lubricating device, and relates to the technical field of liquid variable-capacity machines. The vertical pump comprises a pump body connection body, an impeller, a pump shaft, a vertical pipe, a support body and a pump body. A Thordon bearing is arranged on the pump shaft on the lower portion of the vertical pipe. a plurality of water passing grooves are formed in the surface, making contact with the pump shaft, of the Thordon bearing. The upper end of a channel where the Thordon bearing is located and a cavity of the support body are sealed. The lower end of the channel and the pump body connection body are sealed. The Thordon bearing is fixed relative to the channel in the vertical direction. The channel is further provided with a water inlet and a water outlet, wherein the water inlet and the water outlet are communicated with the beginning end and the tail end of an external circulating pipeline and located in the upper side and the lower side of the Thordon bearing respectively. The Thordon bearing is arranged on the pump shaft of the vertical pump, so that the stiffness of the pump shaft is improved, and a circulating water cooling device is adopted so that the Thordon bearing can be lubricated and cooled through water.
Description
Technical field
The utility model relates to fluid varactor machine technical field.
Background technique
Existing vertical pump comprises single liquid phase medium pump, solid liquid media pump, solid-liquid-gas three phase medium pump, is all made up of dunnage, stake body, pump shaft, impeller, the pump housing etc.Some vertical pump likely can make the degree of depth under the liquid of the pump housing diminish in the process of draining of drawing water, the pump housing is exposed in air, even cannot complete the drainage works that draws water, in order to increase the degree of depth under the liquid of vertical pump, the method adopting has: 1, add and lengthen suction pipe at the feed-water end of the pump housing, this method is simple, but be subject to the restriction of NPSH, when liquid level is darker, also cannot realize; 2, improve the degree of depth under the liquid of pump by increasing the length of pump shaft, but make troubles to the lubricated of longer pump shaft upper bearing (metal) with waterproof.At present, the pre-grease-added mode of the lubricated employing of bearing; And waterproof is to adopt mechanical sealing assembly, the in the situation that of no-cooling-water, mechanical sealing assembly can lose efficacy very soon, thereby cause the water inlet of bearing place to cause the damage of bearing, while particularly use in sewage, this situation can be more serious, also has the rigidity of extended type pump shaft not as shorter pump shaft, and shorten its working life.
So for solving the rigidity of extended type pump shaft and bearing lubrication, cooling problem, need a kind of novel vertical pump.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of vertical pump with bearing cooling and lubricating device, the pump shaft of this pump is with thordon bearings, strengthen the rigidity of pump shaft, and adopted circulating water cooling device, made thordon bearings can utilize water be lubricated and lower the temperature.
For addressing the above problem the technological scheme that the utility model takes be: a kind of vertical pump with bearing cooling and lubricating device, comprise pump housing connecting body, impeller, pump shaft, standpipe and stake body, impeller is positioned at the pump housing of pump housing connecting body bottom, the upper end of described standpipe is connected with stake body, described standpipe lower end is connected with pump housing connecting body, pump shaft passes stake body and is connected with the impeller in the pump housing of pump housing connecting body bottom after standpipe, on the pump shaft axis body of standpipe bottom, be provided with thordon bearings, cross tank for many that on the face contacting with pump shaft at thordon bearings, are provided with connection thordon bearings upper and lower end face, between the upper end of described thordon bearings place passage and the inner chamber of stake body, seal, between lower end and pump housing connecting body body cavity, seal, described thordon bearings in the vertical direction is fixed with respect to passage, described passage is also provided with and holds the water outlet and the water intake that are connected the whole story of extraneous circulating line, described water intake and water outlet lay respectively at upside and the downside of thordon bearings.
Preferably, described passage is surrounded jointly by standpipe, the stuffing box packing of standpipe bottom and the stuffing box packing of riser upper, between the outer wall of described thordon bearings and vias inner walls, bearing supporting body is housed, described bearing supporting body is fixed by means of the screw rod that pump housing connecting body is connected with standpipe.
Preferably, be provided with the auxiliary impeller that can rotate with pump shaft on the pump shaft in same level with water outlet, the drainage direction of described auxiliary impeller is towards water outlet.
Preferably, on extraneous circulating line, be also communicated with water tank.
The beneficial effect that adopts technique scheme to produce is: 1,, in order to solve the Rigidity of pump shaft, particularly, for the Rigidity of extended type pump shaft, the vertical pump in the technical program has added thordon bearings, 2, in order to solve bearing lubrication and the cooling problem of extended type pump shaft, adopt thordon bearings and coordinate circulating water device, thordon bearings is in the passage of a sealing, all sealings between the pump housing connecting body body cavity of this passage and upper bracket intracoelomic cavity and bottom, water in the pump housing can not be entered, can not make the circulating water in passage flow out from bottom yet, this passage is provided with the water intake and the water outlet that are communicated with extraneous circulating line, circulating water can circulate between extraneous circulating line and passage, circulating water is by the tank of crossing on thordon bearings, this crosses tank on the surface of contact of bearing and pump shaft, so both can carry out cooling to bearing by water, can play again the effect of water lubrication, in order to allow water circulation, also be provided with auxiliary impeller at water outlet, it can be along with pump shaft rotates, water in passage is discharged on extraneous circulating line, make water circulation, cooling effect is better.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 structural representation of the present utility model;
Fig. 2 is the Local map of Fig. 1;
The structural representation of Fig. 3 thordon bearings.
Wherein, 1, pump housing connecting body, 2, impeller, 3, pump shaft, 4, standpipe, 5, stake body, 6, pump housing connecting body body cavity, 7, thordon bearings, 8, cross tank, 9, passage, 10, circulating line, 11, water outlet, 12, water intake, 13, bearing supporting body, 14, auxiliary impeller, 15, water tank, 16, the pump housing.
Embodiment
As depicted in figs. 1 and 2: a kind of vertical pump with bearing cooling and lubricating device, comprise pump housing connecting body 1, impeller 2, pump shaft 3, standpipe 4 and stake body 5, impeller 2 is positioned at the pump housing 16 of pump housing connecting body 1 bottom, the upper end of described standpipe 4 is connected with stake body 5, described standpipe 4 lower ends are connected with pump housing connecting body 1, described pump shaft 3 is connected with the impeller 2 in the pump housing connecting body 1 bottom pump housing 16 with after standpipe 4 through stake body 5, on pump shaft 3 axis bodies of standpipe 4 bottoms, be provided with thordon bearings 7, cross tank 8 for many that on the face contacting with pump shaft 3 at thordon bearings 7, are provided with connection thordon bearings 7 upper and lower end faces, between the upper end of described thordon bearings 7 place passages 9 and the inner chamber of stake body 5, seal, lower end and pump housing connecting body body cavity 6 seal, described thordon bearings 7 in the vertical directions are fixing with respect to passage 9, described passage 9 is also provided with and holds the water outlet 11 and the water intake 12 that are connected the whole story of extraneous circulating line 10, described water intake 12 and water outlet 11 lay respectively at upside and the downside of thordon bearings 7.
Described passage 9 is surrounded jointly by the stuffing box packing of standpipe 4, standpipe 4 bottoms and the stuffing box packing on standpipe 4 tops, between the outer wall of described thordon bearings 7 and passage 9 inwalls, bearing supporting body 13 is housed, described bearing supporting body 13 is by means of pump housing connecting body 1 is fixed with the screw rod that standpipe 4 is connected.
On the pump shaft 3 in same level with water outlet 11, be provided with the auxiliary impeller 14 that can rotate with pump shaft 3, the drainage direction of described auxiliary impeller 14 is towards water outlet 11.On extraneous circulating line 10, be also communicated with water tank 15.
In order to solve the rigidity of extended type pump shaft and lubricating of bearing, cooling problem, the utility model has taked to add the scheme of thordon bearings 7 on pump shaft 3, thordon bearings 7 is prior art, it is a kind of bearing of matching imperial material, can water between itself and pump shaft 3 as lubricant medium, and between the upper and lower end face of thordon bearings 7, be communicated with tank 8, the inner hole wall contacting with pump shaft 3 was provided with tank 8, thordon bearings 7 not only can be strengthened the rigidity of pump shaft 3 but also can use water lubrication, utilize this feature, therefore be provided with the circulating water device that can pass through continuously tank 8 on this vertical pump.
Thordon bearings 7 is arranged on standpipe 4, on the passage 9 that the stuffing box packing on the stuffing box packing of standpipe 4 bottoms and standpipe 4 tops surrounds jointly, this passage 9 is the gap between pump shaft 3 and standpipe 4 and pump housing connecting body 1 inwall, and between stake body 5 inner chambers on this passage 9 and top and the pump housing connecting body body cavity 6 of bottom by the mutual isolating seal of filler, can not make the sewage in the pump housing 16 enter in bearing, can not make cooling circulating water in passage 9 from top or bottom is overflowed yet, this passage 9 is communicated with extraneous circulating line 10, water in extraneous circulating line 10 enters into passage 9 from water intake 12, the tank 8 excessively of flowing through on thordon bearings 7, then through water outlet 11 flow pass 9, enter again circulating line 10, so this water outlet 11 is the top of extraneous circulating line 10, water intake 12 is end, water intake 12 is positioned at passage 9 places of thordon bearings 7 upsides, water outlet 11 is positioned at lower side canal 9 places of thordon bearings 7, in order to promote the water circulation between passage 9 and extraneous circulating line 10, so be provided with auxiliary impeller 14 at water outlet 11 places, itself and pump shaft 3 rotate simultaneously, drainage direction is towards water outlet 11, can be along with the water in passage 9 is discharged in the rotation of pump shaft 3, promote circulation, if it is also passable that auxiliary impeller 14 is not set, power source can be set on extraneous circulating line 10 and promote circulation.
The key position of this cooling and lubricating device was the water in tank 8, because be that water has herein played the lubrication and cooling effect to thordon bearings 7, for water can be flow through from cross tank 8, so the tank 8 excessively between the inwall of thordon bearings 7 and pump shaft 3 is designed to a part for water circulation channel, make the water between upside and the downside of passage 9 can only pass through tank 8 processes, increased effect and saved the energy.In addition on extraneous circulating line 10, be also provided with water tank 15, in the time that circulating water is not enough, can add water.
Fig. 3 is the structural representation of thordon bearings 7, and it is with crossing tank 8 as can be seen from Figure.
The utility model does not just design for extended type pump shaft, is also suitable for for common pump shaft.
The utility model has played key effect for extended type pump shaft, the beneficial effect that adopts technique scheme to produce is: 1, in order to solve the Rigidity of pump shaft, particularly, for the Rigidity of extended type pump shaft, the vertical pump in the technical program has added thordon bearings, 2, in order to solve bearing lubrication and the cooling problem of extended type pump shaft, adopt thordon bearings and coordinate circulating water device, thordon bearings is in the passage of a sealing, all sealings between the pump housing connecting body body cavity of this passage and upper bracket intracoelomic cavity and bottom, water in the pump housing can not be entered, can not make the circulating water in passage flow out from bottom yet, this passage is provided with the water intake and the water outlet that are communicated with extraneous circulating line, circulating water can circulate between extraneous circulating line and passage, circulating water is by the tank of crossing on thordon bearings, this crosses tank on the surface of contact of bearing and pump shaft, so both can carry out cooling to bearing by water, can play again the effect of water lubrication, in order to allow water circulation, also be provided with auxiliary impeller at water outlet, it can be along with pump shaft rotates, water in passage is discharged on extraneous circulating line, make water circulation, cooling effect is better.
Claims (4)
1. the vertical pump with bearing cooling and lubricating device, comprise pump housing connecting body (1), impeller (2), pump shaft (3), standpipe (4) and stake body (5), described impeller (2) is positioned at the pump housing (16) of pump housing connecting body (1) bottom, the upper end of described standpipe (4) is connected with stake body (5), described standpipe (4) lower end is connected with pump housing connecting body (1), described pump shaft (3) is connected with impeller (2) interior with pump housing connecting body (1) the bottom pump housing (16) after standpipe (4) through stake body (5), it is characterized in that: on pump shaft (3) axis body of standpipe (4) bottom, be provided with thordon bearings (7), cross tank (8) for many that on the face contacting with pump shaft (3) at thordon bearings (7), are provided with connection thordon bearings (7) upper and lower end face, between the inner chamber of the upper end of described thordon bearings (7) place passage (9) and stake body (5), seal, sealing between lower end and pump housing connecting body body cavity (6), described thordon bearings (7) in the vertical direction is fixing with respect to passage (9), described passage (9) is also provided with and holds the water outlet (11) and the water intake (12) that are connected the whole story of extraneous circulating line (10), described water intake (12) and water outlet (11) lay respectively at upside and the downside of thordon bearings (7).
2. a kind of vertical pump with bearing cooling and lubricating device according to claim 1, it is characterized in that: described passage (9) is surrounded jointly by the stuffing box packing of standpipe (4), standpipe (4) bottom and the stuffing box packing on standpipe (4) top, between the outer wall of described thordon bearings (7) and passage (9) inwall, bearing supporting body (13) is housed, described bearing supporting body (13) is by means of pump housing connecting body (1) is fixed with the screw rod that standpipe (4) is connected.
3. a kind of vertical pump with bearing cooling and lubricating device according to claim 2, it is characterized in that: on the pump shaft (3) in same level with water outlet (11), be provided with the auxiliary impeller (14) that can rotate with pump shaft (3), the drainage direction of described auxiliary impeller (14) is towards water outlet (11).
4. a kind of vertical pump with bearing cooling and lubricating device according to claim 3, is characterized in that: on extraneous circulating line (10), be also communicated with water tank (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285261.8U CN203906365U (en) | 2014-05-30 | 2014-05-30 | Vertical pump with bearing cooling and lubricating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420285261.8U CN203906365U (en) | 2014-05-30 | 2014-05-30 | Vertical pump with bearing cooling and lubricating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906365U true CN203906365U (en) | 2014-10-29 |
Family
ID=51780648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420285261.8U Expired - Fee Related CN203906365U (en) | 2014-05-30 | 2014-05-30 | Vertical pump with bearing cooling and lubricating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653508A (en) * | 2015-02-15 | 2015-05-27 | 沈阳耐蚀合金泵股份有限公司 | Pump with lubricating oil circular supply system |
-
2014
- 2014-05-30 CN CN201420285261.8U patent/CN203906365U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653508A (en) * | 2015-02-15 | 2015-05-27 | 沈阳耐蚀合金泵股份有限公司 | Pump with lubricating oil circular supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201448413U (en) | Anti-leakage speed reducer | |
| CN203978859U (en) | A kind of self-priming mud sealed type canned motorpump | |
| CN203189272U (en) | Double-hulled and multistage horizontal split centrifugal pump | |
| CN107269571A (en) | A kind of bearing in pump case lubricating-oil self-circulating system | |
| CN203906365U (en) | Vertical pump with bearing cooling and lubricating device | |
| CN201818506U (en) | Vertical automatic-control self-priming water pump | |
| CN104153987A (en) | Self-sufficient type power end lubricating oil circulating cooling system | |
| CN204646698U (en) | Water-cooling type low sound level pump | |
| CN203516128U (en) | Diving gate pump | |
| CN202685245U (en) | Cooling and water-storage device of injection molding workshop cooling water circulation system | |
| CN206988166U (en) | A kind of bearing in pump case lubricating-oil self-circulating system | |
| CN105465585B (en) | A kind of oil bath lubrication device | |
| CN204493254U (en) | A kind of slurry pump bracket | |
| CN203884681U (en) | Cigarette gun circulation cooling system | |
| CN201818507U (en) | Self-control and self-absorption vertical water pump | |
| CN106949098A (en) | Vertical pipeline mounted pump | |
| CN204003429U (en) | A kind of self contained power end lubrication oil circulation cooling system | |
| CN106762682A (en) | A kind of riser formula centrifugal pump | |
| CN109617318B (en) | Submersible motor and immersible pump | |
| CN206246373U (en) | A kind of CAP1400 Nuclear Power Station's Exhausted Fuels pond cooling pump | |
| CN201918823U (en) | Submersible motor bearing block structure | |
| CN202357245U (en) | Cooling system for vibrator | |
| CN206571701U (en) | It is a kind of to improve the submersible pump of bearing lubrication condition | |
| CN205212637U (en) | Cooling structure of high -speed motor rotor | |
| CN204371696U (en) | Namely one drives energy-saving vertical self-priming pump |
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: 20141029 Termination date: 20160530 |