CN208565054U - A kind of bearing sleeve assembly and water circulating pump for water circulating pump - Google Patents
A kind of bearing sleeve assembly and water circulating pump for water circulating pump Download PDFInfo
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- CN208565054U CN208565054U CN201821215512.XU CN201821215512U CN208565054U CN 208565054 U CN208565054 U CN 208565054U CN 201821215512 U CN201821215512 U CN 201821215512U CN 208565054 U CN208565054 U CN 208565054U
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- Prior art keywords
- bearing
- circulating pump
- axle sleeve
- water circulating
- layer
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Abstract
The utility model relates to a kind of bearing sleeve assemblies and water circulating pump for water circulating pump.A kind of bearing sleeve assembly for water circulating pump includes bearing and axle sleeve.Wherein, axle sleeve is set in bearing.And axle sleeve and bearing clearance cooperate, the fit clearance of axle sleeve and bearing is 0.40~0.45mm.The inner sidewall of bearing is equipped with an auxiliary layer, and auxiliary layer includes the rubber layer set gradually along short transverse and Sai Long layers.Imperial layer is matched close to the water intake end of bearing, rubber layer is close to the water outlet of bearing.It can not only guarantee antiwhip and holding strength using rubber layer and Sai Long layers simultaneously；It also can be reduced the abrasion of bearing.A kind of water circulating pump, including the above-mentioned bearing sleeve assembly for water circulating pump.The bearing and axle sleeve of the water circulating pump are durable, and maintenance cost is greatly saved.
Description
Technical field
The utility model relates to water circulating pump equipment technical fields, and in particular to a kind of bearing axle sleeve for water circulating pump
Component and water circulating pump.
Background technique
60LKXA-22.1 type water circulating pump, form be vertical single-stage oblique flow centrifugal pump, by pump case, extension tube attached, guide vane wheel,
The composition such as the support of bearing, pump shaft, impeller.Wherein, the bearing of water circulating pump and axle sleeve are easy to wear, and are not durable.And axis
Holding solution most after wearing with axle sleeve is directly to purchase new part, and cost is very high.
Utility model content
The utility model first has been designed to provide a kind of bearing sleeve assembly for water circulating pump, it is intended to improve axis
It holds and is easy to the problem of wearing with axle sleeve.
The utility model second has been designed to provide a kind of water circulating pump, it is intended to improve water circulating pump bearing and axle sleeve very
It is easy to happen abrasion, short-life problem.
The utility model is realized in this way:
A kind of bearing sleeve assembly for water circulating pump, including bearing and axle sleeve, axle sleeve be set to bearing in, and axle sleeve with
Bearing clearance cooperation, axle sleeve and bearing fit gap are 0.40~0.45mm；The inner sidewall of bearing is equipped with an auxiliary layer, auxiliary layer
Including setting gradually the imperial layer of match and rubber layer along short transverse, imperial layer is matched close to the water intake end of bearing, rubber layer is close to bearing
Water outlet.
Further, in preferably a kind of embodiment of the utility model, the height ratio for matching imperial layer and rubber layer is 2:
0.8~1.
Further, in preferably a kind of embodiment of the utility model, axle sleeve concentricity and ovality≤0.03mm.
It further, further include rotation axis in preferably a kind of embodiment of the utility model, rotation axis is set to axle sleeve
It is interior and with axle sleeve clearance fit.
Further, in preferably a kind of embodiment of the utility model, gap between rotation axis and axle sleeve≤
0.03mm。
Further, in preferably a kind of embodiment of the utility model, rotation axis and axle sleeve pass through multiple retainingf keys
Connection.
Further, in preferably a kind of embodiment of the utility model, short transverse of multiple retainingf keys along axle sleeve
It is uniformly arranged.
Further, in preferably a kind of embodiment of the utility model, retainingf key offers ventilation slot, and retainingf key leans on
The end of nearly rotation axis is equipped with absorption elastic layer, and adsorbs elastic layer and be equipped with through-hole, and through-hole is connected to the notch of ventilation slot, axle sleeve
Side wall in be equipped with ventilating duct, ventilating duct is connected to the ventilation slot of multiple retainingf keys simultaneously.
Further, in preferably a kind of embodiment of the utility model, axle sleeve material is 316L stainless steel.
A kind of water circulating pump, including the above-mentioned bearing sleeve assembly for water circulating pump.
It is provided by the utility model a kind of to be for the bearing sleeve assembly of water circulating pump and the beneficial effect of water circulating pump:
A kind of bearing sleeve assembly for water circulating pump, including bearing and axle sleeve.Wherein, axle sleeve is set in bearing.And
Axle sleeve and bearing clearance cooperate, and gap is too small, is easy to burn bearing；Gap is excessive, and vibration will increase again, makes by long-term practice
It is adjusted with the initial engagement gap of confirmation axle sleeve and bearing best within the scope of 0.40~0.45mm.Both axle sleeve and bearing be can guarantee
It is hardly damaged and bearing service life can be extended.Two-stage structure is arranged in the inner sidewall of bearing, including matches imperial layer and rubber layer, match
The water intake end of bearing is arranged in imperial layer, and the water outlet of bearing is arranged in rubber layer；Rubber is a kind of good material of elasticity, is had
Very high shock resistance absorbs shock loading and replys the very capable of original form, but when pump group operation very to silt
The original fit clearance of the wear-out failure of sensitive rubber causes pump group vibration exceeding the standard.Match dragon belongs to a kind of nonmetallic macromolecule chemical combination
Material can bear high pressure and shock loading, and especially self-lubricating property is excellent, can work under dry condition, and can be reduced
Noise and vibration can be effectively isolated the rubber part of silt protection water outlet used in bearing water intake end, reduce rubber part
Abrasion guarantees former fit clearance, extends pump group service life, and whole pump group security reliability is further promoted.Rubber layer and Sai Long
The Application of composite of layer can not only guarantee antiwhip and holding strength, moreover it is possible to reduce the abrasion of bearing and reduce entire pump
The operational shock amplitude of group guarantees pump group safe and economical operation.
A kind of water circulating pump, including the above-mentioned bearing sleeve assembly for water circulating pump.The bearing and axis of the water circulating pump
Set, is greatly saved maintenance cost and maintenance time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the bearing sleeve assembly provided by the embodiment of the utility model for water circulating pump.
Icon: 100- bearing sleeve assembly；110- bearing；111- auxiliary layer；111a- rubber layer；111b- matches imperial layer；
120- axle sleeve；121- ventilating duct；130- rotation axis；140- retainingf key；141- ventilation slot；142- adsorbs elastic layer.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified equipment or element must have a particular orientation, is constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.The meaning of " plurality " is three or three or more in the description of the present invention, unless
Separately there is clearly specific restriction.
Embodiment
As shown in Figure 1, present embodiments providing a kind of bearing sleeve assembly 100 for water circulating pump, including bearing 110
With axle sleeve 120.Wherein, axle sleeve 120 is set in bearing 110.And axle sleeve 120 and 110 clearance fit of bearing, axle sleeve 120 and bearing
110 fit clearance is 0.40~0.45mm.The gap (existing design 0.60mm) is too small, is easy to burn bearing 110；Gap mistake
Greatly, vibration will increase again, be adjusted using the initial engagement gap of confirmation axle sleeve 120 and bearing 110 0.40 by long-term practice
It is best within the scope of~0.45mm.Not only it can guarantee that axle sleeve 120 and bearing 110 were hardly damaged but also can extend 110 service life of bearing.
Preferably, in the present embodiment, the fit clearance of axle sleeve 120 and bearing 110 is 0.45mm.By the inspection of inventor
It surveys, when the fit clearance of axle sleeve 120 and bearing 110 is 0.45mm, the service life longest of axle sleeve 120 and bearing 110.
The inner sidewall of bearing 110 is equipped with an auxiliary layer 111, and auxiliary layer 111 includes the rubber set gradually along short transverse
111a and Sai Long layers of 111b of layer.It should be noted that the meaning for the 111a and Sai Long layers of 111b of rubber layer that the present embodiment refers to is,
The inner sidewall adherency rubber material and Thordon material of bearing 110.Meanwhile in the present embodiment, 111a and Sai Long layers of rubber layer
The thickness of 111b is identical, has collectively constituted an auxiliary layer 111.
Specifically, match dragon layer 111b is close to the water intake end of bearing 110, and rubber layer 111a is close to the water outlet of bearing 110.?
That is, match dragon layer 111b is close to the top of bearing 110, the bottom end (flange arrangement of bearing 110 of the rubber layer 111a close to bearing 110
Place).
The water outlet of bearing 110 is arranged in rubber layer 111a；Rubber shaft bearing vibration it is insensitive to silt but can quickly because
The original fit clearance of wear-out failure directly causes pump group vibration exceeding the standard and must more renew rubber shaft bearing and just can solve defect.
Match dragon belongs to a kind of nonmetallic producing high-molecular condensation material.With outstanding corrosion resistance, abrasion resistance and self- recoverage elasticity, can hold
It is excellent by high pressure and shock loading, especially self-lubricating property, it can work under dry condition, and can be reduced noise and vibration
It is dynamic, the rubber part of silt protection water outlet can effectively be isolated used in 110 water intake end of bearing, the abrasion for reducing rubber part is protected
Former fit clearance is demonstrate,proved, pump group service life is extended, whole pump group security reliability is further promoted.Match imperial layer 111b rough surface
Degree is promoted to 0.4 by original 1.6, it is made preferably to form moisture film with axle sleeve 120.
Secondly, the bearing 110 of traditional water circulating pump generally can match dragon using thordon bearings (being integrally match dragon)
Though bearing intensity is big, stability is strong, price is higher, and its antiwear property is not as good as rubber.In the present embodiment, in bearing
110 inner sidewall is additionally provided with rubber layer 111a, and rubber has many advantages, such as low friction, high-wearing feature, can reduce starting torque, can incite somebody to action
The abrasion of bearing 110 is preferably minimized.That is, can not only guarantee bearing 110 using 111a and Sai Long layers of 111b of rubber layer simultaneously
Stability and holding strength；It also can be reduced the abrasion of bearing 110.
Preferably, the height ratio for matching dragon layer 111b and rubber layer 111a is 2:0.8~1.It is further preferable that rubber layer 111a
The height ratio of the imperial layer 111b of match be 1:2.In the range, while using 111a and Sai Long layers of 111b of rubber layer it can guarantee axis
Hold 110 stability and holding strength it is most strong；The abrasion of bearing 110 can also utmostly be reduced.Further, axle sleeve 120 is same
Heart degree and ovality≤0.03mm, at this point, axle sleeve 120 is also not easy to be worn after axle sleeve 120 is driven rotation.In this reality
It applies in example, 120 material of axle sleeve is 316L stainless steel, to improve the antiwear properties of axle sleeve 120.
Further, 120 outer wall surface roughness of axle sleeve is promoted to 0.2 by original 3.2.In addition previous bearing 110 is abolished
Rejection standard (be forced because of pump group vibration exceeding the standard termination of pumping overhaul its basic axle sleeve 120 abrasion cause gap exceeded), a pump group
All worn bearings 110 customize processing using new technique requirement by this again, and (theory customization processing is not less than 8 for recycling
It is secondary).
Bearing sleeve assembly 100 provided in this embodiment for water circulating pump further includes rotation axis 130.Rotation axis 130
In axle sleeve 120 and with 120 clearance fit of axle sleeve.In the present embodiment, the gap between rotation axis 130 and axle sleeve 120≤
0.03mm。
In the present embodiment, rotation axis 130 is able to drive the rotation of axle sleeve 120, and rotation axis 130 passes through multiple with axle sleeve 120
Retainingf key 140 connects.Further, multiple retainingf keys 140 are uniformly arranged along the short transverse of axle sleeve 120, to improve rotation axis
130 with the connective stability of axle sleeve 120.
It holds above-mentioned, it is notable that the production of the bearing sleeve assembly 100 provided in this embodiment for water circulating pump
Installation method are as follows: 110 inner sidewall of bearing is adhered to 111a and Sai Long layers of 111b of rubber layer by 1, processing bearing 110；2, axle sleeve is processed
120,120 surface processing request ▽ 10 (0.2) of axle sleeve, 120 concentricity of axle sleeve and ovality≤0.03mm, axle sleeve 120 and bearing
110 fit clearances are 0.45mm.And it be emphasized that just with old or recycling bearing 110 and axle sleeve 120
A new component is made to continue to use, does not need to buy new product；It not only can guarantee that 110 axle sleeve of bearing, 120 wearability is good, while significantly
Reduce industrial cost.
It is tested by inventor, using bearing sleeve assembly 100 provided in this embodiment, the water level of the frontal pool 7.6M when test run,
Motor bearings 110 vibrates X to 0.032mm, Y-direction 0.027mm.Currently, 2B circulation-water pump electric machine bearing 110 vibrates X to steady with Y-direction
Be scheduled on 0.03mm or so, and before using after the bearing 110 and axle sleeve 120 newly purchased Circulating water pump electric machine bearing 110 vibrate X to and Y-direction
It is general to stablize in 0.50mm or so, illustrate bearing sleeve assembly 100 provided in this embodiment, can guarantee that water circulating pump operates normally
And the pump group time between overhauls(TBO) can be extended not less than 6 months, and effect is obviously preferable than the component newly purchased.
Further, in order to which the connection for improving rotation axis 130 and axle sleeve 120 is stability, retainingf key 140 offers ventilation
Slot 141, retainingf key 140 are equipped with absorption elastic layer 142 close to the end of rotation axis 130.In the present embodiment, elastic layer is adsorbed
142 can be made of PVC or TPU material.It adsorbs elastic layer 142 and is equipped with through-hole, through-hole is connected to the notch of ventilation slot 141.Axis
Ventilating duct 121 is equipped in the side wall of set 120, ventilating duct 121 is connected to the ventilation slot 141 of multiple retainingf keys 140 simultaneously.That is,
By being evacuated using air-extractor to the ventilating duct 121 on axle sleeve 120, since ventilating duct 121 is connected to ventilation slot 141,
Ventilation slot 141 is connected to absorption elastic layer 142 again, therefore air-extractor can extract the gas in ventilation slot 141 and through-hole out, make
The pressure adsorbed between elastic layer 142 and rotation axis 130 reduces, and rotation can be steadily adhered to by adsorbing elastic layer 142 at this time
On axis 130, axle sleeve 120 connect more stable with rotation axis 130.
The present embodiment additionally provides a kind of water circulating pump, including the above-mentioned bearing sleeve assembly 100 for water circulating pump.It should
The bearing 110 and axle sleeve 120 of water circulating pump are durable, and maintenance cost is greatly saved.Use bearing provided in this embodiment
After sleeve assembly 100, which no longer buys new bearing 110 and (the new bearing of pump group of axle sleeve 120 using unit
110 with about 250,000 yuan of axle sleeve 120), continue cycling through uses (theoretical circulation access times not less than 8 times), reduce and vitalize pump group
Using unit inventory finance, an extremely considerable equipment and spare part expense is directly saved；The equipment and spare part scrapped can be used as rotation
Spare part is recycled；Previous purchase genuine man bearing 110,120 period of axle sleeve is long and haulage time is long, seriously restricts equipment peace
Row for the national games runs Turbo-generator Set generating set load down once going wrong, so as to cause Turbo-generator Set hair
Electric unit economy reduces；In addition, this work can be completed in general machining enterprise in 3 days, it is electricity power enterprise's facilities and equipments
Repair based on condition of component provides strong guarantee.The recirculated water pump group cost of overhaul is reduced to use, shorten the pump group repair time, reduce material depot
Inventory vitalizes spare part fund (directly saving more than 900 ten thousand yuan of spare part expense so far within 2013).
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (10)
1. a kind of bearing sleeve assembly for water circulating pump, which is characterized in that including bearing and axle sleeve, the axle sleeve is set to institute
It states in bearing, and the axle sleeve and the bearing clearance cooperate, the axle sleeve and the bearing fit gap be 0.40~
The inner sidewall of 0.45mm, the bearing are equipped with an auxiliary layer, and the auxiliary layer includes the rubber layer set gradually along short transverse
With the imperial layer of match, the imperial layer of the match is close to the water intake end of the bearing, and the rubber layer is close to the water outlet of the bearing.
2. the bearing sleeve assembly according to claim 1 for water circulating pump, which is characterized in that the imperial layer of the match and institute
The height ratio for stating rubber layer is 2:0.8~1.
3. the bearing sleeve assembly according to claim 1 for water circulating pump, which is characterized in that the axle sleeve concentricity
With ovality≤0.03mm.
4. the bearing sleeve assembly according to claim 1 for water circulating pump, which is characterized in that it further include rotation axis,
The rotation axis be set to the axle sleeve in and with the axle sleeve clearance fit.
5. the bearing sleeve assembly according to claim 4 for water circulating pump, which is characterized in that the rotation axis and institute
State gap≤0.03mm between axle sleeve.
6. the bearing sleeve assembly according to claim 4 or 5 for water circulating pump, which is characterized in that the rotation axis
Pass through multiple fixed key connections with the axle sleeve.
7. the bearing sleeve assembly according to claim 6 for water circulating pump, which is characterized in that multiple retainingf keys
Short transverse along the axle sleeve is uniformly arranged.
8. the bearing sleeve assembly according to claim 7 for water circulating pump, which is characterized in that the retainingf key opens up
There is ventilation slot, the retainingf key is equipped with absorption elastic layer close to the end of the rotation axis, and the absorption elastic layer is equipped with and leads to
Hole, the through-hole are connected to the notch of the ventilation slot, are equipped with ventilating duct in the side wall of the axle sleeve, the ventilating duct simultaneously with
The ventilation slot of multiple retainingf keys is connected to.
9. the bearing sleeve assembly according to claim 1 for water circulating pump, which is characterized in that the axle sleeve material is
316L stainless steel.
10. a kind of water circulating pump, which is characterized in that including the described in any item axis for water circulating pump of such as claim 1-9
Hold sleeve assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215512.XU CN208565054U (en) | 2018-07-30 | 2018-07-30 | A kind of bearing sleeve assembly and water circulating pump for water circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215512.XU CN208565054U (en) | 2018-07-30 | 2018-07-30 | A kind of bearing sleeve assembly and water circulating pump for water circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565054U true CN208565054U (en) | 2019-03-01 |
Family
ID=65448902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821215512.XU Expired - Fee Related CN208565054U (en) | 2018-07-30 | 2018-07-30 | A kind of bearing sleeve assembly and water circulating pump for water circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11085491B1 (en) * | 2020-06-08 | 2021-08-10 | Robert Janian | Self lubricating bearing sleeve |
-
2018
- 2018-07-30 CN CN201821215512.XU patent/CN208565054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11085491B1 (en) * | 2020-06-08 | 2021-08-10 | Robert Janian | Self lubricating bearing sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |