CN205423284U - Adopt cooling device for rear bearing of steamed pump - Google Patents
Adopt cooling device for rear bearing of steamed pump Download PDFInfo
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- CN205423284U CN205423284U CN201520927560.1U CN201520927560U CN205423284U CN 205423284 U CN205423284 U CN 205423284U CN 201520927560 U CN201520927560 U CN 201520927560U CN 205423284 U CN205423284 U CN 205423284U
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- contact ball
- cooled
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Abstract
The utility model provides an adopt cooling device for rear bearing of steamed pump, includes water -cooled bearing frame, cylindrical roller bearing, angular contact ball bearing, pivot, is equipped with the cavity structure in the water -cooled bearing frame, cylindrical roller bearing, angular contact ball bearing set up the left and right sides between water -cooled bearing frame and pivot respectively, and contactless between angular contact ball bearing outer lane and the water -cooled bearing frame, the upper and lower both sides of water -cooled bearing frame are equipped with coolant outlet, cooling water inlet respectively. The utility model provides an adopt cooling device for rear bearing of steamed pump has not only changed the structure of common rear bearing, makes it more be fit for using in adopting steamed environment, has still adopted the mode of water -cooled to cool off the rear bearing, and the cooling effect is higher, does benefit to the continuation of improving production, reduces maintenance volume and cost of maintenance to the reliability of rear bearing has been improved.
Description
Technical field
This utility model relates to a kind of bearing and chiller, the rear bearing chiller of a kind of halogen-extracting pump.
Background technology
nullAt present，The self-balancing multi-stage pump that the halogen-extracting pump used when halogen is adopted by salt mine factory typically uses model to be DFS550-50 × 7，As shown in Figure 1，It is to improve, on the basis of traditional multistage pump carrying out balancing axial thrust by balancing frame and balance ring, a kind of new pump obtained，It is by just、The opposite shaft orientation power that anti-impeller produces carrys out balancing axial thrust voluntarily，Although it has been applied successfully to oil drilling platform、The industries such as colliery，It it is the product of a comparative maturity，But the halogen-extracting pump of this model is by being provided with air-cooled blade in the end of rotating shaft，Rear bearing body is attached with rotating shaft by angular contact ball bearing，The external side of rear bearing is provided with fin，Make to be stably connected with between rear bearing body and angular contact ball bearing by bearing gland，The position being made angular contact ball bearing by round nut is fixed，And it is provided with circlip for shaft in the outside of air-cooled blade，The halogen-extracting pump of this model has the drawback that: (1) air-cooled radiating effect is poor，Whole parts of bearings does not reaches the effect of cooling；(2) rear bearing bearing capacity is poor, and rear bearing caloric value is high, easily causes miscellaneous part to damage because rear bearing damages；(3) to the properly functioning strong influence that causes produced, substantial increase maintenance cost and workload, maintenance cycle is longer；(4) time owing to adopting halogen, the granule foreign in surrounding air is more, is also unfavorable for the normal work of air-cooled blade, also can affect cooling effectiveness；(5) under the work condition environment adopting halogen, it runs less stable.
Utility model content
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art to provide the rear bearing chiller of a kind of halogen-extracting pump, it not only changes the structure of common rear bearing, it is made to be more suitable in adopting halogen environment using, additionally use water-cooled mode rear bearing is cooled down, cooling effect is higher, it is beneficial to improve the persistence produced, reduces maintenance capacity and maintenance cost, and improve the reliability of rear bearing.
The technical solution of the utility model is: the rear bearing chiller of a kind of halogen-extracting pump, including water-cooled axle-bearing base, cylinder roller bearing, angular contact ball bearing, rotating shaft, it is provided with cavity structure in described water-cooled axle-bearing base, described cylinder roller bearing, angular contact ball bearing are separately positioned on the left and right sides between water-cooled axle-bearing base and rotating shaft, not contacting between the outer ring of described angular contact ball bearing and water-cooled axle-bearing base, described water-cooled axle-bearing base is upper and lower is respectively provided on two sides with coolant outlet, cooling water inlet.
The further technical scheme of this utility model is: described cylinder roller bearing is attached with water-cooled axle-bearing base by the first gland, and angular contact ball bearing is fixed by round nut.
Further, being attached by the second gland between described water-cooled axle-bearing base and angular contact ball bearing, the second gland strides across and turns the tip of the axis.
Further, the radial clearance between described angular contact ball bearing outer ring and water-cooled axle-bearing base is 0.3～1.0mm.
Further, described angular contact ball bearing is 7326 heavy angular contact ball bearings.
Further, described cylinder roller bearing is NU327 heavy duty roller bearing.
Further, the quantity of described angular contact ball bearing is two, and two angular contact ball bearing close apposition around the shaft are placed back to back.
Further, the internal diameter of described cylinder roller bearing is more than the internal diameter of angular contact ball bearing.
Further, described water-cooled axle-bearing base is 73 series heavy-duty bearing blocks.
This utility model compared with prior art has a characteristic that
(1) the rear bearing chiller of the halogen-extracting pump that this utility model provides air-cooled changes water-cooled into by original, it is greatly reinforced the radiating effect at rear bearing position, bearing is avoided to damage because temperature is too high, thus can avoid causing the overall damage of equipment, it is beneficial to the persistence produced, reduces maintenance capacity and maintenance cost；
(2) rear bearing structure of traditional previous rear two formulas is changed into the rear bearing structure of previous rear three formulas by the rear bearing chiller of the halogen-extracting pump that this utility model provides, a cylinder roller bearing is added in rear bearing block, this cylinder roller bearing bears bigger radial force, two angular contact ball bearings next are only subjected to axial force, two angular contact ball bearings will be caused to fall apart because of because there being bigger radial force, the caloric value simultaneously making whole rear bearing decreases, and utilizes the service life improving rear bearing；
(3) water-cooled axle-bearing base of rear bearing chiller employing of the halogen-extracting pump that this utility model provides, angular contact ball bearing, cylinder roller bearing are heavy type structure, the intensity that can ensure whole rear bearing is higher, reliability is higher so that it is be more suitable for when adopting halogen operating mode using.
Below in conjunction with the drawings and specific embodiments, detailed construction of the present utility model is further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of rear bearing in prior art；
Fig. 2 is structural representation of the present utility model；
In figure: 1, bearing body, 2, rotating shaft, 3, bearing gland, 4, angular contact ball bearing, 5, round nut, 6, air-cooled blade, 7, axle elasticity confining, 8, water-cooled axle-bearing base, 9, cylinder roller bearing, the 10, second gland, 11, the first gland, 8-1, cavity structure, 8-2, coolant outlet, 8-3, cooling water inlet.
Detailed description of the invention
As shown in Figure 2: the rear bearing chiller of a kind of halogen-extracting pump, including water-cooled axle-bearing base 8, cylinder roller bearing 9, angular contact ball bearing 4, rotating shaft 2, cavity structure 8-2 it is provided with in water-cooled axle-bearing base 8, cavity structure 8-2 is used for depositing cooling water, cylinder roller bearing 9, angular contact ball bearing 4 is separately positioned on the left and right sides between water-cooled axle-bearing base 8 and rotating shaft 2, cylinder roller bearing 9 is made to bear bigger radial force, two angular contact ball bearings 4 next are only subjected to axial force, two angular contact ball bearings 4 will be caused to fall apart because of because there being bigger radial force, the caloric value simultaneously making whole rear bearing decreases, utilize the service life improving rear bearing；Radial clearance between outer ring and the water-cooled axle-bearing base 8 of angular contact ball bearing 4 is 0.5mm, makes angular contact ball bearing 4 be not subject to radial force, bears axial force specially；Angular contact ball bearing 4 is 7326 heavy angular contact ball bearings, it is ensured that the intensity of angular contact ball bearing 4 is higher；Upper and lower coolant outlet 8-2, cooling water inlet 8-3, coolant outlet 8-2 and the cooling water inlet 8-3 of being respectively provided on two sides with of water-cooled axle-bearing base 8 all connects with the cavity structure 8-1 of water-cooled axle-bearing base 8.
Cylinder roller bearing 9 is attached with water-cooled axle-bearing base 8 by the first gland 11, and angular contact ball bearing 4 is fixed by round nut 5, it is ensured that the positional stability of cylinder roller bearing 9 and water-cooled axle-bearing base 8 is higher；Use outside framework oil seal assembly connection between first gland 11 endoporus and rotating shaft 2, both can prevent lubricating grease leakage in oil pocket, be possible to prevent again water or dust to enter oil pocket pollution lubricating fat.
It is attached by the second gland 10 between water-cooled axle-bearing base 8 and angular contact ball bearing 4, second gland 10 strides across the end of rotating shaft 2, second gland 10 had both played the effect connecting water-cooled axle-bearing base 8 with angular contact ball bearing 4, dustproof effect can be played again, prevent dust from entering in the gap between angular contact ball bearing 4 and water-cooled axle-bearing base 8；Water-cooled axle-bearing base 8 is 73 series heavy-duty bearing blocks, it is ensured that the intensity of water-cooled axle-bearing base 8 is higher.
Cylinder roller bearing 9 is NU327 heavy duty roller bearing, it is ensured that the intensity of cylinder roller bearing 9 is higher；The internal diameter of cylinder roller bearing 9, more than the internal diameter of angular contact ball bearing 4, makes easy to assembly.
The quantity of angular contact ball bearing 4 is two, and two angular contact ball bearing 4 close apposition around the shaft are placed back to back, and uses two angular contact ball bearings 4 to bear axial force, it is ensured that the reliability of angular contact ball bearing 4 is higher.
Operation principle of the present utility model and using method be: the rear bearing of halogen-extracting pump is in use, enter the cavity structure 8-1 of water-cooled axle-bearing base 8 from cooling water inlet 8-3, the heat carrying out absorbing cylinder roller bearing 9 by industrial former water and produce time angular contact ball bearing 4 works, then hot water flows out from coolant outlet 8-2 again, reach the cooling purpose of whole rear bearing, improve the structural reliability of whole rear bearing, radial force is born by cylinder roller bearing 9, axial force is born by two angular contact ball bearings 4, do not result in angular contact ball bearing 4 and not only bear radial force but also bear axial force and fall apart, the actual caloric value of the most less whole rear bearing simultaneously, safety, reliability is higher, ensure that the service life of rear bearing is longer.
Claims (9)
1. the rear bearing chiller of a halogen-extracting pump, it is characterized in that: include water-cooled axle-bearing base, cylinder roller bearing, angular contact ball bearing, rotating shaft, cavity structure it is provided with in water-cooled axle-bearing base, cylinder roller bearing, angular contact ball bearing are separately positioned on the left and right sides between water-cooled axle-bearing base and rotating shaft, not contacting between the outer ring of angular contact ball bearing and water-cooled axle-bearing base, water-cooled axle-bearing base is upper and lower is respectively provided on two sides with coolant outlet, cooling water inlet.
The rear bearing chiller of halogen-extracting pump the most according to claim 1, it is characterised in that: cylinder roller bearing is attached with water-cooled axle-bearing base by the first gland, and angular contact ball bearing is fixed by round nut.
The rear bearing chiller of halogen-extracting pump the most according to claim 1, it is characterised in that: being attached by the second gland between water-cooled axle-bearing base and angular contact ball bearing, the second gland strides across and turns the tip of the axis.
The rear bearing chiller of halogen-extracting pump the most according to claim 1, it is characterised in that: the radial clearance between angular contact ball bearing outer ring and water-cooled axle-bearing base is 0.3～1.0mm.
5. according to the rear bearing chiller of the halogen-extracting pump according to any one of claim 1-4, it is characterised in that: angular contact ball bearing is 7326 heavy angular contact ball bearings.
6. according to the rear bearing chiller of the halogen-extracting pump according to any one of claim 1-4, it is characterised in that: cylinder roller bearing is NU327 heavy duty roller bearing.
The rear bearing chiller of halogen-extracting pump the most according to claim 5, it is characterised in that: the quantity of angular contact ball bearing is two, and two angular contact ball bearing close apposition around the shaft are placed back to back.
8. according to the rear bearing chiller of the halogen-extracting pump according to any one of claim 1 or 2 or 3 or 4 or 7, it is characterised in that: the internal diameter of cylinder roller bearing is more than the internal diameter of angular contact ball bearing.
9. according to the rear bearing chiller of the halogen-extracting pump according to any one of claim 1-4, it is characterised in that: water-cooled axle-bearing base is 73 series heavy-duty bearing blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927560.1U CN205423284U (en) | 2015-11-20 | 2015-11-20 | Adopt cooling device for rear bearing of steamed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927560.1U CN205423284U (en) | 2015-11-20 | 2015-11-20 | Adopt cooling device for rear bearing of steamed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423284U true CN205423284U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520927560.1U Active CN205423284U (en) | 2015-11-20 | 2015-11-20 | Adopt cooling device for rear bearing of steamed pump |
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| Country | Link |
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| CN (1) | CN205423284U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298897A (en) * | 2015-11-20 | 2016-02-03 | 湖南省湘衡盐化有限责任公司 | Rear bearing of brine pump and cooling device of rear bearing |
| CN115091260A (en) * | 2022-06-09 | 2022-09-23 | 南通中南智能科技有限公司 | Efficient continuous cooling main shaft system of machining center |
-
2015
- 2015-11-20 CN CN201520927560.1U patent/CN205423284U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298897A (en) * | 2015-11-20 | 2016-02-03 | 湖南省湘衡盐化有限责任公司 | Rear bearing of brine pump and cooling device of rear bearing |
| CN115091260A (en) * | 2022-06-09 | 2022-09-23 | 南通中南智能科技有限公司 | Efficient continuous cooling main shaft system of machining center |
| CN115091260B (en) * | 2022-06-09 | 2024-01-26 | 南通中南智能科技有限公司 | Efficient continuous cooling spindle system of machining center |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |