CN115405551A - Horizontal multi-stage pump water-cooling bearing part - Google Patents

Horizontal multi-stage pump water-cooling bearing part Download PDF

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Publication number
CN115405551A
CN115405551A CN202211155510.7A CN202211155510A CN115405551A CN 115405551 A CN115405551 A CN 115405551A CN 202211155510 A CN202211155510 A CN 202211155510A CN 115405551 A CN115405551 A CN 115405551A
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CN
China
Prior art keywords
bearing
oil
storage chamber
oil storage
water
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
CN202211155510.7A
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Chinese (zh)
Inventor
王姣
李文周
李燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai First Pump Works Co ltd
Original Assignee
Shanghai First Pump Works 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 Shanghai First Pump Works Co ltd filed Critical Shanghai First Pump Works Co ltd
Priority to CN202211155510.7A priority Critical patent/CN115405551A/en
Publication of CN115405551A publication Critical patent/CN115405551A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/06—Lubrication
    • F04D29/061—Lubrication especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)

Abstract

The invention provides a water-cooled bearing component of a horizontal multi-stage pump, which comprises a bearing body, a bearing gland, a bearing compression ring, a water-cooled chamber cover, an oil storage chamber cover, an oil slinger, a bearing and a pump shaft. The pump shaft passes through the bearing setting in the bearing body, the bearing outside sets up the bearing gland, the outside casing and the bearing cap and the pump shaft of bearing body form the oil storage chamber, and the outer end of oil storage chamber sets up the oil storage chamber cap be equipped with the water-cooling chamber outside the oil storage chamber on the bearing body. The invention ensures the cleanness of the oil storage chamber through the large open oil storage chamber, and is beneficial to the heat dissipation and cooling of lubricating oil; the working temperature of the bearing can be effectively reduced through the oil cooling and water cooling structure, and the service life of the bearing is effectively prolonged; the bearing temperature measuring element PT100 can monitor the running temperature of a bearing in real time, and the vibration measuring hole can be provided with a vibration sensor to realize real-time detection of the vibration condition of the pump; the constant-position oil cup can realize automatic lubricating oil supply; convenient and fast, safe and reliable, degree of automation is high.

Description

Horizontal multi-stage pump water-cooling bearing part
Technical Field
The invention relates to the field of multistage centrifugal pumps, in particular to a water-cooled bearing component of a horizontal multistage pump.
Background
The horizontal multi-stage pump is a general machine and is widely applied to various fields such as industry, mines, metallurgy, buildings, cities and the like. The bearing components are the key components of the pump, and the operating environment of the bearing has a great influence on the service life of the bearing.
The structure of the traditional horizontal multi-stage pump bearing part mostly adopts a lubricating grease lubricating structure, the lubricating and heat dissipation effects are poor, the filling of lubricating grease can not be effectively observed, the bearing part basically does not take measures to reduce the service temperature of the bearing and monitor the running temperature of the bearing, and the bearing generates heat to influence the service life of the bearing, thereby further influencing the safety of a pump unit.
In addition, the bearing body oil storage chamber is of a closed structure, casting sand in the oil storage chamber is not easy to clean, the casting sand can be remained in the oil storage chamber to influence the oil quality, and the rare lubricating bearing component basically does not take measures to reduce the service temperature of the bearing and monitor the running temperature of the bearing.
Disclosure of Invention
The invention aims to solve the problems and provide a horizontal multistage pump water-cooled bearing component which is easy to clean and beneficial to heat dissipation and cooling of lubricating oil through an open large oil storage chamber and effectively reduces the working temperature of a bearing through an oil cooling and water cooling structure.
The technical scheme adopted by the invention is as follows:
the utility model provides a horizontal multistage pump water-cooling bearing part which characterized in that: the bearing comprises a bearing body, a bearing gland, a bearing compression ring, a water-cooling chamber cover, an oil storage chamber cover, an oil slinger, a bearing and a pump shaft. The pump shaft passes through the bearing setting in the bearing body, the bearing outside sets up the bearing gland, the outside casing and the bearing cap and the pump shaft of bearing body form the oil storage chamber, and the outer end of oil storage chamber sets up the oil storage chamber cap be equipped with the water-cooling chamber outside the oil storage chamber on the bearing body.
Further, the both ends of bearing set up inside and outside bearing spacer respectively, and the inboard of bearing sets up the bearing clamping ring, bearing clamping ring and bearing cap are all fixed the bearing body, the inner wall of bearing cap and outside bearing spacer contact sets up labyrinth seal groove, two are no less than to labyrinth seal groove.
Furthermore, an oil return groove is formed in the lower portion of the labyrinth seal groove, an oil return groove is also formed in the lower portion of a spigot of the bearing gland, and the oil return groove is formed in the lower side of a bearing hole of the bearing.
Further, an oil slinger is arranged on the inner side bearing retainer sleeve and rotates along with the pump shaft.
Further, the water-cooling chamber outside sets up the water-cooling chamber lid, the water-cooling chamber lid passes through the sealed setting on the water-cooling chamber of O shape circle, the water-cooling chamber lid is provided with two water-cooling interfaces, the water-cooling interface is connected with condenser tube through connecting.
Furthermore, an oil filling hole is formed in the top of the outer side of the oil storage chamber, an oil hole cover is arranged in the oil filling hole, an oil discharge hole is formed in the lower portion of the outer side of the oil storage chamber, and a screw plug is arranged in the oil discharge hole.
Furthermore, a vibration measuring hole in the vertical direction is formed in the top of the outer side of the bearing body; and a vibration measuring hole in the horizontal direction is formed in the outer side edge of the bearing body.
Further, the material of oil storage chamber lid is transparent organic glass, is equipped with the oil position line on the oil storage chamber lid, it is fixed with the O shape sealing washer seal between oil storage chamber lid and the bearing body tang.
Further, a boss is arranged on the outer side of the oil storage chamber, a constant-position oil cup is mounted on the boss and is communicated with the oil storage chamber through a screw hole, and the center of the boss is located about 7mm below the middle oil level line.
Further, the other side of the horizontal direction of the axis of the outer side of the bearing body mounting part is provided with a boss which is connected with the bearing hole part into a whole, the boss is provided with a screw hole for temperature measurement, the bottom hole of the screw hole for temperature measurement is communicated with the bearing hole, the screw hole for temperature measurement is provided with a bearing temperature measurement element adapter, the bearing temperature measurement element adapter is provided with a locking nut, and a bearing temperature measurement element PT100 is arranged in the bearing temperature measurement element adapter.
The invention has the beneficial effects that:
the open type enlarged oil storage chamber of the bearing body is easy to clean and polish, the cleanness of the oil storage chamber is ensured, the enlarged oil storage chamber has large quantity of stored lubricating oil, and the heat dissipation and cooling of the lubricating oil are facilitated; the working temperature of the bearing can be effectively reduced through the oil cooling and water cooling structure, the service life of the bearing is effectively prolonged, and the operation reliability of the pump is improved; the bearing temperature measuring element PT100 can monitor the running temperature of a bearing in real time, and the vibration measuring hole can be provided with a vibration sensor to realize real-time detection of the condition of a vibrator of the pump; the constant-position oil cup can realize automatic supply of lubricating oil; convenient and fast, safe and reliable, degree of automation is high.
Drawings
FIG. 1 is a schematic cross-sectional internal structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a front view of the present invention.
The reference numbers in the figures are respectively:
1. a bearing body; 101, a bearing hole;
102. an oil return groove; an oil reservoir chamber 103;
104. a water cooling chamber; 105, a water return hole;
106. an oil filler hole; 107, oil drain hole;
108. a boss; a screw hole for a constant position oil cup;
110. a boss; a screw hole for measuring temperature;
112. measuring vibration holes in the vertical direction; 113, measuring vibration holes in the horizontal direction;
2. a bearing gland; labyrinth seal grooves 201;
202. an oil return groove; 203, an oil return groove;
3. bearing compression rings; 301, an oil return groove;
4. a water-cooled chamber cover; 401, water cooling interface;
5. an oil storage chamber cover; 501, high, medium and low oil level line;
6. a bearing; 7, a pump shaft;
8. an outer bearing spacer sleeve; 9, inner side bearing retaining sleeve;
10. an oil slinger; a round nut;
12. an oil hole cover; a constant position oil cup;
14. a bearing temperature measuring element; 15, bearing temperature measuring adapter;
16. locking the nut; 17, plugging with a thread;
18. a tapered threaded pipe joint; a screw;
20. a screw; a screw;
22. a screw; an O-shaped seal ring;
24.o-ring seals; and 25. O-shaped sealing rings.
Detailed Description
The following describes in detail a specific embodiment of the horizontal multi-stage pump water-cooled bearing component of the present invention with reference to the accompanying drawings.
Referring to the attached drawings 1-3, the horizontal multistage pump bearing component comprises a bearing body 1, a bearing gland 2, a bearing compression ring 3, a water cooling chamber cover 4, an oil storage chamber cover 5, an oil slinger 10 and a bearing 6. A bearing 6 is arranged in the bearing body 1, a bearing gland 2 is arranged on the outer side of a bearing hole 101, a bearing pressing ring 3 is arranged on the inner side of the bearing hole to press the outer ring of the bearing 6, the bearing 6 is arranged on a pump shaft 7, and bearing retaining sleeves 8 and 9 are arranged on two sides of the inner ring of the bearing 6 and locked by a round nut 11; the bearing body 1 is further provided with a U-shaped water cooling chamber 104, the water cooling chamber cover 4 is arranged on the outer side of the water cooling chamber 104, the oil slinger 10 is arranged on the inner side bearing retaining sleeve 9 and rotates along with the pump shaft 7, and the oil storage chamber 103 side of the bearing body 1 is provided with an oil storage chamber cover 5.
The oil storage chamber 103 of the bearing body 1 is an open type enlarged oil storage chamber 103; an oil hole 106 is formed in the top of the outer side of the oil storage chamber 103 of the bearing body 1, an oil hole cover 12 is arranged in the oil hole, an oil discharge hole 107 is formed in the lower portion of the outer side of the oil storage chamber 103 of the bearing body 1, and a screw plug 17 is arranged in the oil discharge hole 107 to block the oil discharge hole; an oil return groove 102 is formed in the lower side of the bearing hole 101 of the bearing body 1.
O-shaped ring grooves are formed in two side wall plates of the water cooling chamber 104 of the bearing body 1, the water cooling chamber 104 of the bearing body 1 and the water cooling chamber cover 4 are sealed through O-shaped sealing rings 23 and 24 and are connected and fixed through a screw 21; the water-cooling chamber cover 4 is provided with two water-cooling ports 401, and the water-cooling ports 401 are connected with a cooling water pipe through a stainless steel welded type taper thread pipe joint 18.
The oil storage chamber cover 5 is made of transparent organic glass, a lubricating oil high, medium and low oil level line 501 is arranged on the oil storage chamber cover 5, the high, medium and low oil level line 501 is coated with red, an O-shaped sealing ring is used for sealing 25 between the oil storage chamber cover 5 and the spigot of the bearing body 1, and the oil storage chamber cover 5 and the spigot of the bearing body 1 are fixedly connected with the bearing body 1 through a screw 22.
The inner wall that bearing gland 2 and outside bearing spacer 8 contacted sets up labyrinth seal groove 201, and two are no less than to labyrinth seal groove 201 to be equipped with oil return groove 202 in labyrinth seal groove 201 lower part, bearing gland 2 tang lower part also is equipped with oil return groove 203.
A boss 108 is arranged on one side of the outer side of the oil storage chamber 103 of the bearing body 1, which is horizontally lower than the middle oil level line 501 by about 7mm, the position of the boss is about 1/4 of the height of the oil storage chamber 103, a screw hole 109 for a constant-position oil cup is arranged on the boss 108 and communicated with the oil storage chamber 103, and a constant-position oil cup 13 is arranged on the screw hole 109 for the constant-position oil cup.
The other side of the horizontal direction of the axis of the outer side of the bearing part of the bearing body 1 is provided with a boss 110 which is connected with the bearing hole 101 into a whole, the boss 110 is provided with a screw hole for temperature measurement, the bottom hole of the screw hole for temperature measurement is communicated with the bearing hole 110, the screw hole 111 for temperature measurement is provided with a bearing temperature measurement element adapter 15, the bearing temperature measurement element adapter 15 is provided with a locking nut 16, and a PT100 bearing temperature measurement element 14 is arranged in the bearing temperature measurement element adapter 15.
The top of the outer side of the oil storage chamber 103 of the bearing body 1 is also provided with a vertical vibration measurement hole 112; a horizontal vibration measuring hole 113 is formed outside the oil chamber 103.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a horizontal multistage pump water-cooling bearing part which characterized in that: including bearing body, bearing gland, bearing clamping ring, water-cooling chamber cap, oil storage chamber cap, oil slinger, bearing and pump shaft, the pump shaft passes through the bearing setting in the bearing body, the bearing outside sets up the bearing gland, the outside casing and the bearing cap and the pump shaft of bearing body form the oil storage chamber, and the outer end of oil storage chamber sets up the oil storage chamber cap the outer water-cooling chamber that is equipped with of oil storage chamber on the bearing body.
2. The horizontal multi-stage pump water-cooled bearing component according to claim 1, wherein: the both ends of bearing set up inside and outside bearing spacer respectively, and the inboard of bearing sets up the bearing clamping ring, bearing clamping ring and bearing cap are all fixed the bearing body, the inner wall of bearing cap and outside bearing spacer contact sets up labyrinth seal groove, two are no less than to labyrinth seal groove.
3. The horizontal multi-stage pump water-cooled bearing component of claim 2, wherein: an oil return groove is formed in the lower portion of the labyrinth seal groove, an oil return groove is also formed in the lower portion of a spigot of the bearing gland, and an oil return groove is formed in the lower portion of a bearing hole for mounting the bearing.
4. The horizontal multi-stage pump water-cooled bearing component of claim 2, wherein: and an oil slinger is arranged on the inner side bearing retainer sleeve and rotates along with the pump shaft.
5. The horizontal multi-stage pump water-cooled bearing component according to any one of claims 1 to 4, wherein: the water cooling chamber outside sets up the water cooling chamber lid, the water cooling chamber lid passes through the sealed setting of O shape circle on the water cooling chamber, the water cooling chamber lid is provided with two water cooling interfaces, the water cooling interface is connected with condenser tube through connecting.
6. The horizontal multi-stage pump water-cooled bearing component according to any one of claims 1 to 4, wherein: an oil hole is formed in the top of the outer side of the oil storage chamber, an oil hole cover is arranged in the oil hole, an oil discharge hole is formed in the lower portion of the outer side of the oil storage chamber, and a screw plug is arranged in the oil discharge hole.
7. The horizontal multistage pump water-cooled bearing part according to any one of claims 1 to 4, characterized in that: the top of the outer side of the bearing body is provided with a vibration measuring hole in the vertical direction; and a vibration measuring hole in the horizontal direction is formed in the outer side edge of the bearing body.
8. The horizontal multistage pump water-cooled bearing part according to any one of claims 1 to 4, characterized in that: the oil storage chamber cover is made of transparent organic glass, an oil level line is arranged on the oil storage chamber cover, and the oil storage chamber cover and the spigot of the bearing body are sealed and fixed through an O-shaped sealing ring.
9. The horizontal multi-stage pump water-cooled bearing component according to any one of claims 1 to 4, wherein: set up a boss in the oil storage chamber outside, install the constant position oil cup on the boss, the constant position oil cup link up with the oil storage chamber through the screw, about 7mm department under the boss center lies in middle oil level line.
10. The horizontal multistage pump water-cooled bearing part according to any one of claims 1 to 4, characterized in that: the bearing body is equipped with the bearing position outside axis horizontal position opposite side and is equipped with the boss and even as an organic whole with the dead eye position, is equipped with the screw for the temperature measurement on the boss, and the bottom hole of screw for the temperature measurement link up with the dead eye, is equipped with bearing temperature measuring element adapter on the screw for the temperature measurement, be equipped with lock nut on the bearing temperature measuring element adapter, in the bearing temperature measuring element PT100 installation bearing temperature measuring element adapter.
CN202211155510.7A 2022-09-22 2022-09-22 Horizontal multi-stage pump water-cooling bearing part Pending CN115405551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211155510.7A CN115405551A (en) 2022-09-22 2022-09-22 Horizontal multi-stage pump water-cooling bearing part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211155510.7A CN115405551A (en) 2022-09-22 2022-09-22 Horizontal multi-stage pump water-cooling bearing part

Publications (1)

Publication Number Publication Date
CN115405551A true CN115405551A (en) 2022-11-29

Family

ID=84165722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211155510.7A Pending CN115405551A (en) 2022-09-22 2022-09-22 Horizontal multi-stage pump water-cooling bearing part

Country Status (1)

Country Link
CN (1) CN115405551A (en)

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