CN213655224U - Sealed bearing mechanism for vertical double-suction pump - Google Patents

Sealed bearing mechanism for vertical double-suction pump Download PDF

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Publication number
CN213655224U
CN213655224U CN202022206147.XU CN202022206147U CN213655224U CN 213655224 U CN213655224 U CN 213655224U CN 202022206147 U CN202022206147 U CN 202022206147U CN 213655224 U CN213655224 U CN 213655224U
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water
disc
bearing
retaining
vertical double
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CN202022206147.XU
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林源聪
杨飞
徐建军
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Shanghai Shenbao Industrial Pump Co ltd
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Shanghai Shenbao Industrial Pump Co ltd
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Abstract

The utility model discloses a sealed bearing mechanism for vertical double entry pump, vertical double entry pump possess ball bearing and join in marriage the water tray axle sleeve, and sealed bearing mechanism is including setting up the bearing separation dish on ball bearing, and setting up the manger plate driving disk on joining in marriage the water tray axle sleeve, is equipped with the quiet dish of manger plate between bearing separation dish and the manger plate driving disk, and the quiet dish of manger plate is equipped with the sealing member that blocks water respectively with bearing separation dish, manger plate driving disk, join in marriage between the water tray axle sleeve. The utility model discloses a ball bearing replaces traditional ground water lubricated bearing to satisfy through the structure that blocks water and seal the demand to ball bearing, effectively prevent that pump liquid from invading ball bearing, protected ball bearing, prolonged ball bearing's life, need not frequently to change the bearing. Through the cooperation of manger plate driving disk and manger plate quiet dish, can satisfy certain axial cooperation size and adjust the demand, increased sealed bearing mechanism's suitability. The integral design is simple and ingenious, the cost is low, the assembly and carrying are easy, and the water blocking protection is realized.

Description

Sealed bearing mechanism for vertical double-suction pump
Technical Field
The utility model relates to a sealed bearing mechanism for vertical double entry pump belongs to the sealed technical field of vertical double entry pump.
Background
The vertical double-suction pump is widely used in waterworks, pump stations, air-conditioning circulating water, heating hot water circulation, industrial system water supply systems, fire-fighting systems and ship industries, and is also suitable for general use in the oil refining industry.
The bottom bearing of the present vertical middle-open double-suction pump generally uses water to lubricate the bearing, the precision requirement of the water lubricated bearing is higher, the gap of the water guide bearing is very small, and solid particles such as silt can exist in the water supply medium, the solid particles influence the water lubricated bearing, the water lubricated bearing is easily damaged, and the water pump is generally in a long-term operation state, so that the phenomenon of frequently maintaining and replacing the water lubricated bearing can occur. The rolling bearing has a long service life, but the rolling bearing has high sealing requirements, the machine seal maintenance time in the water pump is limited, and the ball bearing is corroded after water leakage occurs, so that the ball bearing is scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of above-mentioned prior art, to the problem that the lubricated bearing fragile needs frequent change in the vertical double entry pump of tradition, provide the sealed bearing mechanism who is used for vertical double entry pump.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
a sealing bearing mechanism for a vertical double suction pump is characterized in that a ball bearing is arranged at the bottom of the vertical double suction pump, a shaft sleeve of a matched water disk is arranged on a pump shaft of the vertical double suction pump,
the sealing bearing mechanism comprises a bearing isolation disc arranged on the ball bearing and a water retaining dynamic disc arranged on the shaft sleeve of the water adapting disc, a water retaining static disc is arranged between the bearing isolation disc and the water retaining dynamic disc,
and water-blocking sealing pieces are respectively arranged between the water-blocking static disc and the bearing isolation disc, between the water-blocking dynamic disc and between the water-blocking static disc and the shaft sleeve of the water-matching disc.
Preferably, the water-retaining dynamic plate is provided with an outer peripheral extension wall extending towards the water-retaining static plate, the water-retaining static plate is provided with an outer peripheral convex wall extending towards the water-retaining dynamic plate and positioned in the outer peripheral extension wall,
a first sealing ring is arranged between the outer periphery convex wall and the outer periphery extending wall, a second sealing ring is arranged between the outer periphery convex wall and the bearing isolation disc, and a third sealing ring is arranged between the water retaining static disc and the water matching disc shaft sleeve.
Preferably, the outer circumferential convex wall is provided with a boss, the water retaining disc is provided with a groove matched with the boss, and a fourth sealing ring is arranged between the boss and the groove.
Preferably, the water retaining static disc is provided with a ring concave part matched with the bearing isolation disc.
Preferably, an elastic steel wire check ring for limiting and fixing the water retaining disc is arranged on the water matching disc shaft sleeve, and a fifth sealing ring is arranged between the water matching disc shaft sleeve and the water retaining disc.
Preferably, the bearing isolation disc is provided with a screw hole part, and the screw hole part is provided with a sealing diaphragm.
The beneficial effects of the utility model are mainly embodied in that:
1. adopt ball bearing to replace traditional ground water lubricated bearing to satisfy through the structure that blocks water and seal the demand of separating ball bearing, effectively prevent that pump liquid from invading ball bearing, protected ball bearing, prolonged ball bearing's life, need not frequent change bearing.
2. Through the cooperation of manger plate driving disk and manger plate quiet dish, can satisfy certain axial cooperation size and adjust the demand, increased sealed bearing mechanism's suitability.
3. The integral design is simple and ingenious, the cost is low, the assembly and carrying are easy, and the water blocking protection is realized.
Drawings
Fig. 1 is a schematic structural view of a seal bearing mechanism for a vertical double suction pump according to the present invention.
Detailed Description
The utility model provides a sealed bearing mechanism for vertical double entry pump. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings so as to be easier to understand and grasp.
A sealed bearing mechanism for vertical double entry pump, as shown in fig. 1, the bottom of vertical double entry pump is provided with ball bearing, be equipped with on the pump shaft 1 of vertical double entry pump and join in marriage water tray axle sleeve 2, sealed bearing mechanism is including setting up bearing separation dish 3 on ball bearing, and set up the manger plate driving disk 4 on joining in marriage water tray axle sleeve 2, be equipped with manger plate static dish 5 between bearing separation dish 3 and manger plate driving disk 4, be equipped with water blocking seal 6 between manger plate static dish 5 and bearing separation dish 3, manger plate driving disk 4, join in marriage and join in marriage water tray axle sleeve 2 respectively.
Specifically, the ball bearing is adopted to replace a traditional water-lubricated bearing, the design of the water blocking static disc 5, the bearing isolation disc 3 and the water blocking dynamic disc 4 is adopted, and water blocking sealing is realized through the water blocking sealing piece 6, so that the water blocking sealing requirement of the ball bearing is met.
Specifically, the water retaining static disc 5 is in sealing fit with the bearing isolation disc 3, and the water retaining dynamic disc 4 is in axial compression joint with the water retaining static disc 4 in sealing fit, so that the water flow on the shaft is blocked, and the water blocking effect on the ball bearing is achieved.
In the embodiment, the water-blocking static disc 4 is provided with an outer peripheral extension wall 41 extending towards the water-blocking static disc 5, the water-blocking static disc 5 is provided with an outer peripheral convex wall 51 extending towards the water-blocking static disc 4 and located in the outer peripheral extension wall, a first sealing ring 61 is arranged between the outer peripheral convex wall 51 and the outer peripheral extension wall 41, a second sealing ring 62 is arranged between the outer peripheral convex wall 51 and the bearing isolation disc 3, and a third sealing ring 63 is arranged between the water-blocking static disc 5 and the water-matching disc shaft sleeve 2.
The specific implementation process and principle description are as follows:
the bearing separation disc 3 and the water retaining static disc 5 are axially and relatively limited, and the bearing separation disc 3, the water retaining static disc 5 and the water matching disc shaft sleeve 2 are relatively sealed through the second sealing ring 62 and the third sealing ring 63.
And the quiet dish of manger plate 5 itself connects under the connection state in the axial between ball bearing and water pump water dish for 4 axial crimping of manger plate driving disk are on the quiet dish of manger plate 5, extend wall 41 and the protruding wall 51 looks axial of periphery to cooperate relatively through the periphery between the two, realize circumference through first sealing washer 61 and block water sealedly, so satisfy the cooperation demand when the axial position degree between the quiet dish of manger plate 5 and the manger plate driving disk 4 adjusts, satisfy the adaptability demand in certain axial fit clearance. The axial position degree adjustment between the water retaining static disc 5 and the water retaining movable disc 4 is realized through axial adjustment, and the loading requirements of water pumps with different assembly gaps are met.
In one embodiment, the outer protruding wall 51 is provided with a boss 52, the water-blocking disc 4 is provided with a groove 42 for matching with the boss 52, and a fourth sealing ring 64 is arranged between the boss and the groove.
Specifically, the fourth sealing ring 64 is an auxiliary sealing ring, and when the water retaining dynamic disc 4 and the water retaining static disc 5 are axially matched to be axially aligned and locked, the fourth sealing ring 64 can realize secondary sealing of a matching part, so that the sealing performance is further improved.
In one embodiment, the water retaining disc 5 is provided with a ring recess 53 for cooperation with the bearing spacer disc 3.
The annular concave part 53 can realize axial limiting support between the annular concave part and the bearing isolation disc 3, meet the requirement of crimping axial limiting during axial matching, and certainly can also adopt other axial supporting functions, for example, the annular convex part is arranged on the bearing isolation disc 3 to realize support, and certainly, the annular concave part 53 is easy to process and easy to carry the second sealing ring 62, so that the annular concave part is a preferable implementation structure of the scheme and has cost advantage.
In one embodiment, the water-matching disk shaft sleeve 2 is provided with an elastic steel wire retainer ring 7 for limiting and fixing the water-retaining disk 4, and a fifth sealing ring 65 is arranged between the water-matching disk shaft sleeve and the water-retaining disk.
Specifically, the elastic steel wire retainer ring 7 is used for limiting the water retaining dynamic disk 4 axially, namely limiting the axial compression joint stroke of the water retaining dynamic disk 4, meeting the requirement of the axial alignment stroke between the limiting water retaining dynamic disk 4 and the water retaining static disk 5, and preventing the compression joint stroke from exceeding the matching joint stroke to cause matching joint damage between the water retaining dynamic disk 4 and the water retaining static disk 5.
In one embodiment, the bearing spacer disk 3 is provided with a threaded bore portion 31, and the threaded bore portion 31 is provided with a sealing diaphragm 8. The sealing diaphragm 8 is a green-shell paper film which is convenient for the bolt connection and locking of the bearing separation disc 3 and meets the sealing requirement of the bearing separation disc 3 after the connection through the green-shell paper film.
Can discover through the above description, the utility model discloses a sealed bearing mechanism for vertical double entry pump adopts ball bearing to replace traditional ground water lubrication bearing to satisfy through the block water structure and seal the demand to blocking water of ball bearing, effectively prevent that pump liquid from invading ball bearing, protected ball bearing, prolonged ball bearing's life, need not frequent change bearing. Through the cooperation of manger plate driving disk and manger plate quiet dish, can satisfy certain axial cooperation size and adjust the demand, increased sealed bearing mechanism's suitability. The integral design is simple and ingenious, the cost is low, the assembly and carrying are easy, and the water blocking protection is realized.
The above technical solutions of the present invention have been fully described, and it should be noted that the present invention is not limited by the above description, and all technical solutions formed by equivalent transformation or equivalent transformation adopted by the spirit of the present invention in the aspects of structure, method or function by those of ordinary skill in the art all fall within the protection scope of the present invention.

Claims (6)

1. A sealed bearing mechanism for vertical double entry pump, the bottom of vertical double entry pump is provided with ball bearing, is equipped with on the pump shaft of vertical double entry pump and connects water tray axle sleeve, its characterized in that:
the sealing bearing mechanism comprises a bearing isolation disc arranged on the ball bearing and a water retaining dynamic disc arranged on the shaft sleeve of the water adapting disc, a water retaining static disc is arranged between the bearing isolation disc and the water retaining dynamic disc,
and water-blocking sealing pieces are respectively arranged between the water-blocking static disc and the bearing isolation disc, between the water-blocking dynamic disc and between the water-blocking static disc and the shaft sleeve of the water-matching disc.
2. The sealed bearing mechanism for a vertical double suction pump according to claim 1, wherein:
the water-retaining static disc is provided with a water-retaining static disc and a water-retaining dynamic disc, the water-retaining static disc is provided with a water-retaining static disc and a water-retaining static disc, the water-retaining static disc is provided with a water-retaining static disc, the water-retaining static disc is provided,
a first sealing ring is arranged between the outer periphery convex wall and the outer periphery extending wall, a second sealing ring is arranged between the outer periphery convex wall and the bearing isolation disc, and a third sealing ring is arranged between the water retaining static disc and the water matching disc shaft sleeve.
3. The sealed bearing mechanism for a vertical double suction pump according to claim 2, wherein:
the outer periphery convex wall is provided with a boss, the water retaining driving disc is provided with a groove matched with the boss, and a fourth sealing ring is arranged between the boss and the groove.
4. The sealed bearing mechanism for a vertical double suction pump according to claim 2, wherein:
and the water retaining static disc is provided with an annular concave part matched with the bearing isolation disc.
5. The sealed bearing mechanism for a vertical double suction pump according to claim 1, wherein:
and an elastic steel wire check ring for limiting and fixing the water retaining disc is arranged on the water matching and connecting disc shaft sleeve, and a fifth sealing ring is arranged between the water matching and connecting disc shaft sleeve and the water retaining disc.
6. The sealed bearing mechanism for a vertical double suction pump according to claim 1, wherein:
the bearing isolation disc is provided with a screw hole part, and the screw hole part is provided with a sealing diaphragm.
CN202022206147.XU 2020-09-30 2020-09-30 Sealed bearing mechanism for vertical double-suction pump Active CN213655224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022206147.XU CN213655224U (en) 2020-09-30 2020-09-30 Sealed bearing mechanism for vertical double-suction pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022206147.XU CN213655224U (en) 2020-09-30 2020-09-30 Sealed bearing mechanism for vertical double-suction pump

Publications (1)

Publication Number Publication Date
CN213655224U true CN213655224U (en) 2021-07-09

Family

ID=76699167

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022206147.XU Active CN213655224U (en) 2020-09-30 2020-09-30 Sealed bearing mechanism for vertical double-suction pump

Country Status (1)

Country Link
CN (1) CN213655224U (en)

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