CN208997018U - A kind of underwater excavating pump novel bearing component sealing structure - Google Patents

A kind of underwater excavating pump novel bearing component sealing structure Download PDF

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Publication number
CN208997018U
CN208997018U CN201821913826.7U CN201821913826U CN208997018U CN 208997018 U CN208997018 U CN 208997018U CN 201821913826 U CN201821913826 U CN 201821913826U CN 208997018 U CN208997018 U CN 208997018U
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CN
China
Prior art keywords
sealing
bearing
ring
wall
bearing body
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Expired - Fee Related
Application number
CN201821913826.7U
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Chinese (zh)
Inventor
赵振海
张海涛
杨扬
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Hebei Delin Machinery Co Ltd
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Hebei Delin Machinery Co Ltd
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Priority to CN201821913826.7U priority Critical patent/CN208997018U/en
Application granted granted Critical
Publication of CN208997018U publication Critical patent/CN208997018U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of underwater excavating pump novel bearing component sealing structures of bearing seal technical field, shaft left and right ends extend on the outside of bearing body, the left and right sides symmetrically offers two groups of bearing oiling holes at the top of bearing body, sealing cover outer wall is equipped with sealing interstage sleeve, sealing room is formed between sealing cover and sealing interstage sleeve, stationary seal ring and moving sealing ring outer wall pass through O-ring seals and connect with sealing chamber interior walls, the utility model structure is simple, increase the interchangeability of structure, so that seal configuration is simplified, the wear resistence and heat dissipation effect of the sealing ring are also effectively improved simultaneously, O-ring seals bear certain pressure on inclined-plane, and then it can reach sealing function, Underwater Pressure increases, so that sealing ring is by O-ring seals and seals the pressure of chamber interior walls junction also by increase, the bearing is can further improve The leakproofness of component improves the service life of sealing effect and sealing element.

Description

A kind of underwater excavating pump novel bearing component sealing structure
Technical field
The utility model relates to bearing seal technical field, specially a kind of underwater excavating pump is sealed with novel bearing component Structure.
Background technique
Bearing assembly is one of the critical component in centrifugal excavating pump, other than transmitting power, also support rotation zero The weight of part, and axial power suffered by leaf fine jade is born, directly affect the stability and reliability of pump assembly.And underwater excavating pump It is used with bearing assembly and pump one in underwater, the leakproofness of bearing is the key that then pump reliability service.
The seal form of traditional bearing assembly is mainly mechanical seal, and mechanical seal structure is complicated, and dismounting requirement is very high, Maintenance is inconvenient, and performance reliable for operation is poor, for this purpose, it is proposed that a kind of underwater excavating pump novel bearing component sealing structure.
Utility model content
The purpose of this utility model is to provide a kind of underwater excavating pump novel bearing component sealing structures, on solving State the problem of proposing in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of underwater excavating pump novel bearing group Part sealing structure, including bearing body, bearing body is hollow structure, and shaft is equipped in bearing body, and shaft left and right ends extend On the outside of to bearing body, outer wall is socketed with bearing at left and right sides of shaft, and bearing outer wall is bonded with bearing body inner wall, at the top of bearing body The left and right sides symmetrically offers two groups of bearing oiling holes, is equipped with sealing-plug one, bearing body left and right ends at the top of bearing oiling hole Outer wall passes through bolt and is equipped with sealing cover, and sealing cover outer wall is equipped with sealing interstage sleeve, and bolt outer wall is socketed with snap-gauge, and snap-gauge is remote One end from bolt connect with sealing interstage sleeve, and sealing interstage sleeve outer wall offers the card slot to match with snap-gauge, sealing cover with it is close Form sealing room between block set, and seal indoor and outdoor two sides and be separately installed with stationary seal ring and moving sealing ring, stationary seal ring and Moving sealing ring outer wall passes through O-ring seals and connect with sealing chamber interior walls, at the top of bearing body left and right sides top and sealing cover The sealing room tank filler sleeve with sealing room connection is offered, and seals and sealing-plug two is installed at the top of the tank filler sleeve of room.
Preferably, stationary seal ring and moving sealing ring are antifriction alloy steel material, and stationary seal ring and moving sealing ring outer wall It is symmetrically arranged with inclined-plane.
Preferably, bearing is tapered roller bearing, and bearing oiling hole bottom end is located at the surface of two groups of bearing opposing inner ends.
Preferably, sealing room opposed inner walls in the left and right sides offer through-hole, and bearing outer end is connect with through-hole.
Preferably, the sealing one end of interstage sleeve far from bolt is connect with shaft outer wall, and is sealed interstage sleeve and set with shaft junction It is equipped with sealing rubber ring.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model structure is simple, and stationary seal ring is identical with moving sealing ring structure, and is antifriction alloy steel material, It is not only convenient for pairing to use, increases the interchangeability of structure, so that seal configuration is simplified, while it is close also to effectively improve this The wear resistence and heat dissipation effect of seal ring;
2, stationary seal ring and moving sealing ring outer wall are symmetrically arranged with inclined-plane, and when assembly, O-ring seals bear one on inclined-plane Fixed pressure, and then can reach sealing function, as the underwater depth of pump dive increases, Underwater Pressure increases, so that sealing ring It will also be increased by the pressure of O-ring seals and sealing chamber interior walls junction, and can further improve the sealing of the bearing assembly Property;
3, filling lubricating oil is carried out to bearing by bearing oiling hole, bearing cavity is effectively prevent situation of getting rusty occur, led to It crosses sealing room tank filler sleeve and lifetime lubrication, the lubrication filled on bearing is carried out to the stationary seal ring and moving sealing ring that seal in room It is indoor that oily via through holes flow into sealing, carries out secondary lubrication to stationary seal ring and moving sealing ring, improve sealing element sealing effect and Service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is structural schematic diagram at the utility model A.
In figure: 1 bearing body, 2 shafts, 3 bearings, 4 bearing oiling holes, 5 sealing-plugs one, 6 sealing covers, 7 sealing interstage sleeves, 8 spiral shells Bolt, 9 snap-gauges, 10 stationary seal rings, 11 moving sealing rings, 12 O-ring seals, 13 sealing room tank filler sleeves, 14 sealing-plugs two.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of underwater excavating pump novel bearing component is close Seal structure, including bearing body 1, bearing body 1 is hollow structure, and shaft 2 is equipped in bearing body 1, and 2 left and right ends of shaft extend To 1 outside of bearing body, 2 left and right sides outer wall of shaft is socketed with bearing 3, and 3 outer wall of bearing is bonded with 1 inner wall of bearing body, bearing The 1 top left and right sides of body symmetrically offers two groups of bearing oiling holes 4, is equipped with sealing-plug 1, bearing at the top of bearing oiling hole 4 1 left and right ends outer wall of body passes through bolt 8 and is equipped with sealing cover 6, and 6 outer wall of sealing cover is equipped with sealing interstage sleeve 7,8 outer wall of bolt It is socketed with snap-gauge 9, the one end of snap-gauge 9 far from bolt 8 is connect with sealing interstage sleeve 7, and is sealed 7 outer wall of interstage sleeve and offered and snap-gauge 9 The card slot to match forms sealing room between sealing cover 6 and sealing interstage sleeve 7, and seals indoor and outdoor two sides and be separately installed with sealing Stationary ring 10 and moving sealing ring 11, stationary seal ring 10 and 11 outer wall of moving sealing ring pass through O-ring seals 12 and sealing chamber interior walls connect It connects, 1 left and right sides top of bearing body offers the sealing room tank filler sleeve 13 with sealing room connection with 6 top of sealing cover, and close The top of envelope room tank filler sleeve 13 is equipped with sealing-plug 2 14.
Wherein, stationary seal ring 10 and moving sealing ring 11 are antifriction alloy steel material, effectively improve the wear-resistant of the sealing ring Property and heat dissipation effect, and stationary seal ring 10 and 11 outer wall of moving sealing ring are symmetrically arranged with inclined-plane, and when assembly, O-ring seals 12 exist Certain pressure is born on inclined-plane, and then can reach sealing function;
Bearing 3 is tapered roller bearing, effectively increases the contact area between bearing 3 and shaft 2, improves shaft 2 and moves When stability, 4 bottom end of bearing oiling hole is located at the surface of two groups of 3 opposing inner ends of bearing, convenient for by bearing oiling hole 4 to Lubricating oil, effectively lubricating bearing 3 and sealing element are added in bearing 3;
Left and right sides sealing room opposed inner walls offer through-hole, and 3 outer end of bearing is connect with through-hole, convenient for filling oil Lubricating oil via through holes on bearing 3 flow into sealing interior, carry out secondary lubrication to stationary seal ring 10 and moving sealing ring 11, improve The sealing effect and service life of sealing element;
The sealing one end of interstage sleeve 7 far from bolt 8 is connect with 2 outer wall of shaft, and seals interstage sleeve 7 and the setting of 2 junction of shaft There is sealing rubber ring, improve the leakproofness of the bearing assembly, component internal water inlet is avoided to get rusty.
Working principle: in use, shaft 2 is rotated by the effect of external force, bearing 3 is tapered roller bearing, effectively Increase the contact area between bearing 3 and shaft 2, improves axial force suffered when shaft 2 moves, when rotating convenient for shaft 2 more Add stabilization, filling lubricating oil is carried out to bearing 3 by bearing oiling hole 4,3 inner cavity of bearing is effectively prevent situation of getting rusty occur, leads to The stationary seal ring 10 and moving sealing ring 11 crossed in 13 pairs of room tank filler sleeve sealing rooms of sealing carry out lifetime lubrication, add on bearing 3 The lubricating oil via through holes of note flow into sealing interior, carry out secondary lubrication to stationary seal ring 10 and moving sealing ring 11, improve sealing element Sealing effect and service life, stationary seal ring 10 is identical with 11 structure of moving sealing ring, convenient for pairing use, increase the mutual of structure Transsexual, so that seal configuration is simplified, the effect of sealing cover 6 is that shaft 2 and bearing 3 are carried out axially position, is improved Flexibility when shaft 2 and bearing 3 rotate, stationary seal ring 10 and moving sealing ring 11 are antifriction alloy steel material, are effectively improved The wear resistence and heat dissipation effect of the sealing ring, stationary seal ring 10 and 11 outer wall of moving sealing ring pass through O-ring seals 12 and sealing Chamber interior walls connection, when assembly, O-ring seals 12 bear certain pressure on inclined-plane, and then can reach sealing function, with pump The underwater depth of dive increases, and Underwater Pressure increases, and two kinds of sealing rings are by O-ring seals 12 and seal chamber interior walls junction Pressure will also increase, and further improve the leakproofness of the bearing assembly, and the bearing assembly inner inlet is avoided to cause bearing broken It is bad, and then improve its service life.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of underwater excavating pump novel bearing component sealing structure, including bearing body (1), it is characterised in that: bearing body (1) It for hollow structure, and is equipped with shaft (2) in bearing body (1), shaft (2) left and right ends extend on the outside of bearing body (1), shaft (2) left and right sides outer wall is socketed with bearing (3), and bearing (3) outer wall is bonded with bearing body (1) inner wall, bearing body (1) top left Right two sides symmetrically offer two groups of bearing oiling holes (4), are equipped with sealing-plug one (5), bearing body at the top of bearing oiling hole (4) (1) left and right ends outer wall passes through bolt (8) and is equipped with sealing cover (6), and sealing cover (6) outer wall is equipped with sealing interstage sleeve (7), spiral shell Bolt (8) outer wall is socketed with snap-gauge (9), and the one end of snap-gauge (9) far from bolt (8) is connect with sealing interstage sleeve (7), and seals interstage sleeve (7) outer wall offers the card slot to match with snap-gauge (9), sealing room is formed between sealing cover (6) and sealing interstage sleeve (7), and close Envelope indoor and outdoor two sides are separately installed with stationary seal ring (10) and moving sealing ring (11), and stationary seal ring (10) and moving sealing ring (11) are outside Wall passes through O-ring seals (12) and connect with sealing chamber interior walls, at the top of bearing body (1) left and right sides top and sealing cover (6) The sealing room tank filler sleeve (13) with sealing room connection is offered, and seals and sealing-plug two is installed at the top of room tank filler sleeve (13) (14)。
2. a kind of underwater excavating pump novel bearing component sealing structure according to claim 1, it is characterised in that: sealing Stationary ring (10) and moving sealing ring (11) are antifriction alloy steel material, and stationary seal ring (10) and moving sealing ring (11) outer wall are symmetrical It is provided with inclined-plane.
3. a kind of underwater excavating pump novel bearing component sealing structure according to claim 1, it is characterised in that: bearing It (3) is tapered roller bearing, bearing oiling hole (4) bottom end is located at the surface of two groups of bearing (3) opposing inner ends.
4. a kind of underwater excavating pump novel bearing component sealing structure according to claim 1, it is characterised in that: left and right Both sides sealing room opposed inner walls offer through-hole, and bearing (3) outer end is connect with through-hole.
5. a kind of underwater excavating pump novel bearing component sealing structure according to claim 1, it is characterised in that: sealing Interstage sleeve (7) is connect far from the one end of bolt (8) with shaft (2) outer wall, and is sealed interstage sleeve (7) and be provided with shaft (2) junction Sealing rubber ring.
CN201821913826.7U 2018-11-20 2018-11-20 A kind of underwater excavating pump novel bearing component sealing structure Expired - Fee Related CN208997018U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821913826.7U CN208997018U (en) 2018-11-20 2018-11-20 A kind of underwater excavating pump novel bearing component sealing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821913826.7U CN208997018U (en) 2018-11-20 2018-11-20 A kind of underwater excavating pump novel bearing component sealing structure

Publications (1)

Publication Number Publication Date
CN208997018U true CN208997018U (en) 2019-06-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821913826.7U Expired - Fee Related CN208997018U (en) 2018-11-20 2018-11-20 A kind of underwater excavating pump novel bearing component sealing structure

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111151063A (en) * 2020-01-06 2020-05-15 王�华 Rotating disc type sewage treatment filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111151063A (en) * 2020-01-06 2020-05-15 王�华 Rotating disc type sewage treatment filter

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190618

CF01 Termination of patent right due to non-payment of annual fee