CN209622051U - Hydraulic propeller mechanical sealing device used for pump - Google Patents
Hydraulic propeller mechanical sealing device used for pump Download PDFInfo
- Publication number
- CN209622051U CN209622051U CN201822239318.1U CN201822239318U CN209622051U CN 209622051 U CN209622051 U CN 209622051U CN 201822239318 U CN201822239318 U CN 201822239318U CN 209622051 U CN209622051 U CN 209622051U
- Authority
- CN
- China
- Prior art keywords
- ring
- installation
- static components
- face
- installation axle
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model discloses a kind of hydraulic propeller mechanical sealing device used for pump, including mounting flange, static components and the moving ring assembly being sequentially sleeved in shaft, mounting flange is equipped with installation axle close to one end of static components, one end of static components slidably and sealing suit on the mounting shaft, elastic compensating component is equipped between static components end face and installation axial end, limit circlip is additionally provided in static components, for preventing static components and installation axle to be detached from；Outer cover of the static components close to installation axle one end is equipped with rubber bellows, and the other end of rubber bellows is connected on mounting flange；Moving ring assembly and shaft are drivingly connected by trundle, and the rubbing surface of moving ring assembly is bonded to form sealing flour milling with the other end of static components.Hydraulic propeller mechanical sealing device used for pump provided by the utility model, structure is simple, good seal performance, and can effectively prevent silt and enter seal receptacle, damages sealing ring, destroys sealing surface.
Description
Technical field
The present invention relates to technical field of mechanical, a kind of specifically hydraulic propeller mechanical sealing device used for pump.
Background technique
Machine hydraulic propeller is a kind of novel driving tool of ship, it and Ship Power Equipment together, are used to boat
Oceangoing ship.Hydraulic propeller is that the spout part of propulsive mechanism is under water, drives ship using the reaction force that injection water generates
A kind of propeller to advance.It is made of water pump, pipeline, suction inlet and spout etc., and the injection direction of water flow can be changed by spout
To realize the manipulation of ship.Hydraulic propeller is used as power with water pump, and water is sucked from hull bottom hole, through side of a ship portion pipe, water from
The discharge of ship rear direction, the reaction force by water carry out propelling ship.
The sealing of bearing in pump case in marine propeller be also it is very crucial, in traditional design, the sealing of bearing housing
Packing seal structure is generallyd use, the poor sealing performance of packing seal, leakage rate is big, and lubrication oil consumption is big, and seals replacement week
Phase is short.
Summary of the invention
The technical problems to be solved by the present invention are: providing at least one in a kind of defect for being able to solve above-mentioned conventional seals
The hydraulic propeller mechanical sealing device used for pump of kind defect, it is intended to which the seal oil solved in hydraulic propeller middle (center) bearing case is asked
Topic reduces oil leak amount, extends maintenance period, prevents seawater from entering bearing housing.
The technical solution used in the present invention is: providing a kind of hydraulic propeller mechanical sealing device used for pump, including successively
Mounting flange, static components and the moving ring assembly being set in shaft, the mounting flange are equipped with close to one end of static components
Installation axle, one end of the static components slidably and sealing suit on the mounting shaft, the static components end face and installation
It is equipped with elastic compensating component between axial end, is additionally provided with limit circlip in the static components, for preventing static components and peace
Axis is filled to be detached from；The static components close to installation axle one end outer cover be equipped with rubber bellows, the rubber bellows it is another
One end is connected on mounting flange；The moving ring assembly and shaft are drivingly connected by trundle, the friction of the moving ring assembly
Face is bonded to form sealing flour milling with the other end of static components.
After the above technical solution is adopted, compared with the prior art, the present invention has the following advantages:
Mechanically-sealing apparatus uses the structure of stationary ring compensation, elastic compensating component is located in static components, compensation component
It will not be rotated together with moving ring assembly, to keep more stably compensating elastic force, to guarantee the sealing performance of sealing flour milling.In
It is equipped with rubber bellows between mounting flange and static components, the silt in elastic acting force and seawater can be provided
Into stationary seat, O-ring seal is damaged.Mounting flange and stationary seat are brought together simultaneously, become the quiet of an aggregation type
The big component of ring, it is easy for removal and installation.
Static components include stationary ring, stationary seat and the first fixation clip, one end edge of the stationary seat far from sealing flour milling
It is circumferentially with several fixing bolts, one end of several fixing bolts passes through stationary seat and is connected on the first fixation clip, and described the
It is equipped with installation cavity close to stationary seat one end on one fixation clip, the stationary ring is equipped with first step ring, the first step
Ring is fitted in installation cavity, and sealing ring, the stationary ring bottom surface are equipped between first step ring end face and installation cavity bottom surface
Sealing ring is equipped between stationary seat end face.Stationary ring is designed using clamped-in style, prevents biggish vibration when vessel motion from causing carbon
SiClx ring wear metal drive pin, so as to cause seal failure.
One end on the stationary seat far from stationary ring is equipped with installation casing, and the installation set pipe sleeve fills on the mounting shaft, and
Sealing ring is equipped between the installation internal surface of sleeve pipe and installation axle outer wall；It is close that the limit circlip is circumferentially located at installation casing
In the inner cavity of mounting flange one end, and the internal diameter of the limit circlip is less than the outer diameter of installation axle.
It is equipped with limiting groove close to one end of stationary seat on the lateral wall of the installation casing, the rubber bellows are close
The inside of stationary seat one end is equipped with the position limiting convex ring being equipped with limiting groove.This structure makes rubber bellows and installs casing
It connects more stable.
It is additionally provided on the inner sidewall of the installation casing and externally protrudes out in inner hole and the supporting bead made of highstrenghtpiston, institute
The inner sidewall for stating supporting bead is bonded with the lateral wall of installation axle.Under support washer effect, installation casing tube internal hole is effectively avoided
With the metal pieces into contact between installation axle outer wall so that between the two sealing ring sliding it is more smooth, steady.
As improved, the mounting flange is equipped with mounting groove, the rubber corrugated close to the end face of stationary seat side
The other end of pipe is equipped with mounting portion, fixed pressure ring is additionally provided on the mounting flange, when the mounting portion of rubber bellows is fitted in
When in mounting groove, the fixed pressure ring is fitted in the outer surface of mounting portion.
Preferably, the elastic compensating component includes several springs and several guide pins, and the installation axle is close to stationary ring
Several spring eyes are circumferentially uniformly provided on the end face of seat side, one end of the guide pin is actively installed in spring eye, guiding
The other end of pin is equipped with stop collar, and stop collar acts against on static components end face；Several springs are set on guide pin,
And one end of spring is located in spring eye, the other end acts against on stop collar.The setting of guide pin so that the elastic force of spring more
It smoothly acts on stationary seat end face, to provide stable balancing force for stationary ring, guarantees the sealing performance of sealing flour milling.
As improved, the stationary seat is equipped with stop pin close to one side end face of installation axle, and the installation axle is equipped with
Pin hole for being equipped with stop pin.
Preferably, the moving ring assembly includes rotating ring, rotating seat and the second fixation clip, and the rotating seat is far from sealing
Circumferentially arranged with several fixing bolts, one end of several fixing bolts passes through rotating seat and is connected to the second fixed pressure for one end of flour milling
On plate, it is equipped with the second installation cavity close to rotating seat one end on second fixation clip, the rotating ring is equipped with second step ring,
The second step ring is fitted in the second installation cavity, and is set between second step ring end face and the second installation cavity bottom surface
There is sealing ring, sealing ring is equipped between the rotating ring bottom surface and rotating seat end face.Rotating ring connect knot using clamped-in style with rotating seat
Structure, so that more steady under end-face friction effect between rotating ring and stationary ring.In this structure, rotating ring is similarly using clamping
Formula design prevents biggish vibration when vessel motion from causing carborundum ring wear metal drive pin, so as to cause seal failure.
Preferably, the trundle is radially located in shaft, the inner sidewall of the rotating seat, which is equipped with, to be used for
The driving groove being equipped with trundle；Sealing ring is additionally provided between the inner sidewall and shaft outer wall of the stationary seat.Rotating seat uses
Trundle driving, structure is simple, and driving force is steady, reliable.
Detailed description of the invention
Fig. 1 is the cross-sectional view of hydraulic propeller mechanical sealing device used for pump of the invention.
Fig. 2 is the partial sectional view at another angle of hydraulic propeller mechanical sealing device used for pump of the invention.(main display limit
Position block)
Fig. 3 is amplification assumption diagram at X in Fig. 2.
Fig. 4 is the partial sectional view at another angle of hydraulic propeller axis mechanically-sealing apparatus of the invention.(main display top
Silk structure)
Wherein, 100- shaft, 101- seal flour milling, 1- mounting flange, 1.1- installation axle, 1.1.1- spring eye, 1.1.2-
Pin hole, 1.2- mounting groove, 1.3- tapped through hole, 2- limit circlip, 3- rubber bellows, 3.1- position limiting convex ring, 3.2- mounting portion,
4- trundle, 5- stationary ring, 5.1- first step ring, the first pin hole of 5.2-, 6- stationary seat, 6.1- install casing, and 6.2- limit is recessed
Slot, the first fixation clip of 7-, the first installation cavity of 7.1-, 8- fixing bolt, 9- supporting bead, 10- fixed pressure ring, 11- spring,
12- guide pin, 12.1- support ring, 13- stop pin, 14- rotating ring, 14.1- second step ring, the second pin hole of 14.2-, 15- are dynamic
Ring seat, 15.1- driving groove, the second fixation clip of 16-, the second installation cavity of 16.1-, 17- stop pin, 18- jackscrew, 19- anti-rotation
Pin.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect ", " equipped " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply
Relative importance.
As shown in figures 1-4, a kind of hydraulic propeller mechanical sealing device used for pump provided by the invention, including be successively arranged
Mounting flange 1, static components and moving ring assembly in shaft 100, mounting flange 1 are equipped with installation close to one end of static components
Axis 1.1, one end of static components is slidably and what is sealed is sleeved in installation axle 1.1, static components end face and installation axle 1.1
It is equipped with elastic compensating component between end face, limit circlip 2 is additionally provided in static components, for preventing static components and installation axle
1.1 being detached from.Outer cover of the static components close to 1.1 one end of installation axle is equipped with rubber bellows 3, the other end of rubber bellows 3
It is connected on mounting flange 1；Moving ring assembly is drivingly connected with shaft 100 by trundle 4, the rubbing surface and stationary ring of moving ring assembly
The other end of component is bonded to form sealing flour milling 101.
Static components include stationary ring 5, stationary seat 6 and the first fixation clip 7, the one end of stationary seat 6 far from sealing flour milling 101
Circumferentially arranged with several fixing bolts 8, one end of several fixing bolts 8 passes through stationary seat 6 and is connected on the first fixation clip 7,
It is equipped with installation cavity 7.1 close to 6 one end of stationary seat on first fixation clip 7, stationary ring 5 is equipped with first step ring 5.1, first step
Ring 5.1 is fitted in installation cavity 7.1, and sealing ring, stationary ring 5 are equipped between 7.1 bottom surface of 5.1 end face of first step ring and installation cavity
Sealing ring is equipped between 6 end face of bottom surface and stationary seat.
It in this structure, deflects between stationary ring 5 and stationary seat 6 in order to prevent, in stationary seat 6 close to 5 side of stationary ring
End face is equipped with stop pin 17, and the first pin hole 5.2 for being equipped with stop pin 17, stop pin 17 are equipped on 5 end face of stationary ring
Setting can be effectively prevented stationary ring 5 seal face frictional force effect under rotate.Also, the material of stop pin 17 is usual
For stainless steel material, and stationary ring 5 is usually graphite or silicon carbide in material, so close to the first pin hole 5.2 on stationary ring 5
Position chipping risk of meeting under the collision of metal stop pin 17, so being equipped in this structure in the outer cover of stop pin 17
One plastic protective sleeve.This mechanism, stop pin 17 is for playing the role of anti-rotation.
As shown in Figure 1, 2, one end on stationary seat 6 far from stationary ring 5 is equipped with installation casing 6.1, and installation casing 6.1 is sleeved on
In installation axle 1.1, and installs and be equipped with sealing ring between 6.1 inner wall of casing and 1.1 outer wall of installation axle；Limit circlip 2 is circumferentially set
In installation casing 6.1 in the inner cavity of 1 one end of mounting flange, and the internal diameter for limiting circlip 2 is less than the outer diameter of installation axle 1.1.
After being arranged in this way, in the working depth of mechanical seal, elastic compensating component is when in a compressed state, at this time rubber bellows 3
It is also in confined state, also, limits circlip 2 and is in discrete state with installation axle 1.1, in moving ring assembly and static components
Separation, elastic compensating component lose applied external force, and under the elastic reaction of elastic compensating component, static components are towards original from peace
The direction movement of axis 1.1 is filled, the end face for limiting circlip 2 at this time acts against 1.1 left end face of installation axle, to stationary seat 6 and installation
Axis 1.1 is limited, and prevents the two from completely disengaging, convenient for the installation and removal of monoblock type.
It installs and is equipped with limiting groove 6.2 close to one end of stationary seat 6 on the lateral wall of casing 6.1, rubber bellows 3 are close
The inside of 6 one end of stationary seat is equipped with the position limiting convex ring 3.1 being equipped with limiting groove 6.2.
Mounting flange 1 is equipped with mounting groove 1.2 close to the end face of 6 side of stationary seat, and the other end of rubber bellows 3 is equipped with
Mounting portion 3.2 is additionally provided with fixed pressure ring 10 on mounting flange 1, when the mounting portion 3.2 of rubber bellows 3 is fitted in mounting groove 1.2
When middle, fixed pressure ring 10 is fitted in the outer surface of mounting portion 3.2.
It installs to be additionally provided on the inner sidewall of casing 6.1 and externally protrudes out in inner hole and supporting bead 9 made of highstrenghtpiston, prop up
The inner sidewall of stake pad circle 9 is bonded with the lateral wall of installation axle 1.1.In this structure, in installation 6.1 inner sidewall of casing and installation axle
It is supported between 1.1 lateral walls with highstrenghtpiston's washer, so that installation 6.1 inner sidewall of casing and 1.1 lateral wall of installation axle
Between by plastic washer contact, so that direct metal be avoided to contact, there are gaps between them, slide O-ring seal
It is relatively reliable.
In the secret seal structure, elastic compensating component includes several springs 11 and several guide pins 12, and installation axle 1.1 is close
Several spring eye 1.1.1 are circumferentially uniformly provided on the end face of 6 side of stationary seat, one end of guide pin 12 is actively installed on spring eye
1.1.1 in, the other end of guide pin 12 is equipped with support ring 12.1, and support ring 12.1 acts against on static components end face；It is several
Spring 11 is set on guide pin 12, and one end of spring 11 is located in spring eye 1.1.1, and the other end acts against support ring 12.1
On.Guide pin 12 for being defined to the movement of spring 11 so that 11 forced compression of spring when deforming will not run-off the straight turn over
It arrives, is able to maintain stable balancing force.
Stationary seat 6 is equipped with stop pin 13 close to 1.1 1 side end face of installation axle, and installation axle 1.1 is equipped with and is used for and anti-rotation
The equipped pin hole 1.1.2 of pin 13.In this mechanism, interference is fitted with nylon protective case in pin hole 1.1.2, and stop pin 13 inserts
In nylon protective case, direct metal is avoided to contact with metal.It is of course also possible to first nylon protective case close-fit is sleeved on anti-
It ships and resell on another market outside 13.
Moving ring assembly includes rotating ring 14, rotating seat 15 and the second fixation clip 16, and rotating seat 15 is far from sealing flour milling 101
One end circumferentially arranged with several fixing bolts 8, one end of several fixing bolts 8 passes through rotating seat 15 and is connected to the second fixed pressure
On plate 16, it is equipped with the second installation cavity 16.1 close to 15 one end of rotating seat on the second fixation clip 16, rotating ring 14 is equipped with second
Rank ring 14.1, second step ring 14.1 are fitted in the second installation cavity 16.1, and 14.1 end face of second step ring and the second installation
It is equipped with sealing ring between 16.1 bottom surface of chamber, is equipped with sealing ring between 15 end face of 14 bottom surface of rotating ring and rotating seat.
In the present embodiment, specifically, trundle 4 is radially located in shaft 100, the inner sidewall of rotating seat 15, which is equipped with, to be used
In the driving groove 15.1 being equipped with trundle 4；Sealing ring is additionally provided between 100 outer wall of inner sidewall and shaft of stationary seat 15.
In addition, it in static components mechanism, rotates between rotating ring 14 and rotating seat 15 in order to prevent, dynamic
Ring seat 15 is equipped with stop pin 19 close to 14 1 side end face of rotating ring, is equipped with is used for and trundle in 14 rear ends of rotating ring accordingly
19 the second equipped pin holes 14.2.In addition, it is similarly also set with plastic protective sleeve in the outside of this position stop pin 19, prevented
It is chipping to be located at 14.2 position of the second pin hole on locating snap ring 14.This mechanism, stop pin 19 is for playing anti-locating snap ring 14 dynamic
The back (i.e. right side) of the effect rotated inside ring seat 15, rotating seat 15 is fitted closely with impeller hub, 15 left side of rotating seat and
Step in shaft 100 leans, and the step and impeller hub of shaft 100 clamp rotating seat 15 or so, then in trundle
Under the action of 4, entire rotating seat 15 is driven to be driven.
As shown in Figure 2,4, in the present embodiment, the end face of mounting flange 1 is used to connect with the installation pump cover in propeller, and
And the seam allowance for connecting with mounting flange 1 would generally be equipped on the end face of installation pump cover, to obtain preferably positioning, and
Sealing ring is equipped between 1 end face of mounting flange and installation pump cover end face.But such connection structure needs to dismantle subsequent
When mechanical seal, under the action of seam allowance, mounting flange 1 is not easy to split with installation pump cover.So in the structure of the application, In
Mounting flange 1 is equipped with tapped through hole 1.3, and jackscrew 18 is equipped in tapped through hole 1.3, when demountor seals, rotates jackscrew
18, as jackscrew 18 is moved towards installation pump cover end face, is opened and separated between 1 end face of mounting flange and installation pump cover end face.
Preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This hair
Bright to be not only limited to above embodiments, specific structure is allowed to vary, all institutes in the protection scope of demand for independence of the present invention
The various change of work is within the scope of the invention.
Claims (10)
1. a kind of hydraulic propeller mechanical sealing device used for pump, it is characterised in that: including the peace being sequentially sleeved on shaft (100)
Flange (1), static components and moving ring assembly are filled, the mounting flange (1) is equipped with installation axle close to one end of static components
(1.1), one end of the static components slidably and sealing be sleeved on installation axle (1.1), the static components end face with
It is equipped with elastic compensating component between installation axle (1.1) end face, limit circlip (2) is additionally provided in the static components, for preventing
Static components and installation axle (1.1) are detached from；Outer cover of the static components close to installation axle (1.1) one end is equipped with rubber corrugated
It manages (3), the other end of the rubber bellows (3) is connected on mounting flange (1)；The moving ring assembly and shaft (100) are logical
Trundle (4) drive connection is crossed, the rubbing surface of the moving ring assembly is bonded to form sealing flour milling with the other end of static components
(101)。
2. hydraulic propeller mechanical sealing device used for pump according to claim 1, it is characterised in that: static components include quiet
Ring (5), stationary seat (6) and the first fixation clip (7), the stationary seat (6) circumferentially set far from one end of sealing flour milling (101)
Having several fixing bolts (8), one end of several fixing bolts (8) passes through stationary seat (6) and is connected on the first fixation clip (7),
Installation cavity (7.1) are equipped with close to stationary seat (6) one end on first fixation clip (7), the stationary ring (5) is equipped with First
Rank ring (5.1), the first step ring (5.1) is fitted in installation cavity (7.1), and the first step ring (5.1) end face
It is equipped with sealing ring between installation cavity (7.1) bottom surface, sealing ring is equipped between stationary ring (5) bottom surface and stationary seat (6) end face.
3. hydraulic propeller mechanical sealing device used for pump according to claim 2, it is characterised in that: the stationary seat (6)
Upper one end far from stationary ring (5) is equipped with installation casing (6.1), and the installation casing (6.1) is sleeved on installation axle (1.1), and
Sealing ring is equipped between installation casing (6.1) inner wall and installation axle (1.1) outer wall；The limit circlip (2) circumferentially sets
In inner cavity of installation casing (6.1) close to mounting flange (1) one end, and the internal diameter of limit circlip (2) is less than installation axle
(1.1) outer diameter.
4. hydraulic propeller mechanical sealing device used for pump according to claim 3, it is characterised in that: the installation casing
(6.1) one end on lateral wall close to stationary seat (6) is equipped with limiting groove (6.2), and the rubber bellows (3) are close to stationary ring
The inside of seat (6) one end is equipped with the position limiting convex ring (3.1) being equipped with limiting groove (6.2).
5. hydraulic propeller mechanical sealing device used for pump according to claim 3, it is characterised in that: the installation casing
(6.1) it is additionally provided on inner sidewall and externally protrudes out in inner hole and the supporting bead made of highstrenghtpiston (9), the supporting bead
(9) inner sidewall is bonded with the lateral wall of installation axle (1.1).
6. hydraulic propeller mechanical sealing device used for pump according to claim 1, it is characterised in that: the mounting flange
(1) end face close to stationary seat (6) side is equipped with mounting groove (1.2), and the other end of the rubber bellows (3) is equipped with installation
Portion (3.2) is additionally provided with fixed pressure ring (10) on the mounting flange (1), when the mounting portion (3.2) of rubber bellows (3) is equipped
When in mounting groove (1.2), the fixed pressure ring (10) is fitted in the outer surface of mounting portion (3.2).
7. hydraulic propeller mechanical sealing device used for pump according to claim 1, it is characterised in that: the elastic compensating
Component includes several springs (11) and several guide pins (12), and the installation axle (1.1) is on the end face of stationary seat (6) side
It being circumferentially uniformly provided with several spring eyes (1.1.1), one end of the guide pin (12) is actively installed in spring eye (1.1.1),
The other end of guide pin (12) is equipped with support ring (12.1), and support ring (12.1) acts against on static components end face；Several institutes
It states spring (11) to be set on guide pin (12), and one end of spring (11) is located in spring eye (1.1.1), the other end acts against
In support ring (12.1).
8. hydraulic propeller mechanical sealing device used for pump according to claim 7, it is characterised in that: the stationary seat (6)
Close to (1.1) one side end face of installation axle be equipped with stop pin (13), the installation axle (1.1) be equipped with for stop pin (13)
Equipped pin hole (1.1.2).
9. hydraulic propeller mechanical sealing device used for pump according to claim 1 or 2, it is characterised in that: the rotating ring
Component includes rotating ring (14), rotating seat (15) and the second fixation clip (16), and the rotating seat (15) is far from sealing flour milling (101)
One end circumferentially arranged with several fixing bolts (8), one end of several fixing bolts (8) passes through rotating seat (15) and is connected to second
On fixation clip (16), the second installation cavity (16.1) are equipped with close to rotating seat (15) one end on second fixation clip (16),
The rotating ring (14) is equipped with second step ring (14.1), and the second step ring (14.1) is fitted in the second installation cavity
(16.1) in, and sealing ring is equipped between second step ring (14.1) end face and the second installation cavity (16.1) bottom surface, it is described
Sealing ring is equipped between rotating ring (14) bottom surface and rotating seat (15) end face.
10. hydraulic propeller mechanical sealing device used for pump according to claim 9, it is characterised in that: the trundle
(4) it is radially located on shaft (100), the inner sidewall of the rotating seat (15) is equipped with the biography for being equipped with trundle (4)
Dynamic slot (15.1)；Sealing ring is additionally provided between the inner sidewall and shaft (100) outer wall of the rotating seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239318.1U CN209622051U (en) | 2018-12-28 | 2018-12-28 | Hydraulic propeller mechanical sealing device used for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822239318.1U CN209622051U (en) | 2018-12-28 | 2018-12-28 | Hydraulic propeller mechanical sealing device used for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209622051U true CN209622051U (en) | 2019-11-12 |
Family
ID=68447801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822239318.1U Withdrawn - After Issue CN209622051U (en) | 2018-12-28 | 2018-12-28 | Hydraulic propeller mechanical sealing device used for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209622051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654230A (en) * | 2018-12-28 | 2019-04-19 | 洛普兰机械设备(宁波)有限公司 | Hydraulic propeller mechanical sealing device used for pump |
| CN112161063A (en) * | 2020-10-23 | 2021-01-01 | 中国舰船研究设计中心 | Submersible stern shaft tube sealing device with silt accumulation preventing function |
-
2018
- 2018-12-28 CN CN201822239318.1U patent/CN209622051U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654230A (en) * | 2018-12-28 | 2019-04-19 | 洛普兰机械设备(宁波)有限公司 | Hydraulic propeller mechanical sealing device used for pump |
| CN109654230B (en) * | 2018-12-28 | 2023-10-03 | 洛普兰机械设备(宁波)有限公司 | Mechanical sealing device for pump of water-jet propeller |
| CN112161063A (en) * | 2020-10-23 | 2021-01-01 | 中国舰船研究设计中心 | Submersible stern shaft tube sealing device with silt accumulation preventing function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209622051U (en) | Hydraulic propeller mechanical sealing device used for pump | |
| CN109654230A (en) | Hydraulic propeller mechanical sealing device used for pump | |
| CN109578590A (en) | A kind of hydraulic propeller axis mechanical seal | |
| CN106838321A (en) | Kettle side entering type mechanical seal | |
| CN110159664A (en) | A kind of shafting thrust-compensating device | |
| CN212225583U (en) | Mechanical seal mouth ring for lubricating grease of centrifugal pump | |
| KR100994067B1 (en) | Mechanical seal for high pressure and high speed | |
| CN206563077U (en) | Kettle side entering type mechanical seal | |
| CN209818741U (en) | Low-abrasion mechanical seal | |
| CN209414613U (en) | Three-level integrated mechanical sealing | |
| CN211398569U (en) | Nearly complete concentric non-contact carbocycle seal structure | |
| CN108426035A (en) | A kind of enhanced non-contact mechanical seal structure of liquid | |
| JPH0152986B2 (en) | ||
| CN209414624U (en) | A kind of mechanical seal of the outer glue of acid-resisting | |
| CN208670059U (en) | Zero leakage non-contact mechanical seal structure | |
| CN111322269A (en) | Mechanical seal mouth ring for lubricating grease of centrifugal pump | |
| CN218093571U (en) | Integrated mechanical seal for double-suction pump | |
| CN112524051B (en) | Water lubricating centrifugal pump | |
| CN105864043B (en) | Vacuum machine sealing mechanism | |
| CN201407354Y (en) | Improved mechanical seal structure | |
| CN212080153U (en) | External pressure-resistant high-temperature-resistant crystallization-resistant mechanical sealing structure | |
| JP2006002768A (en) | Hydraulic motor having propelling member held sealedly to relevant contacting surface by internal resilient means and capable of being drawn out and inserted | |
| JPH0619879Y2 (en) | Stern tube shaft sealing device | |
| CN208966600U (en) | A kind of multistage centrifugal mechanical sealing device used for pump | |
| CN102338223B (en) | Novel fluid sealing device provided with diaphragm dynamic differential pressure balancer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191112 Effective date of abandoning: 20231003 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191112 Effective date of abandoning: 20231003 |