CN207554408U - It dredges discharge pump mechanical seal device - Google Patents
It dredges discharge pump mechanical seal device Download PDFInfo
- Publication number
- CN207554408U CN207554408U CN201721558055.XU CN201721558055U CN207554408U CN 207554408 U CN207554408 U CN 207554408U CN 201721558055 U CN201721558055 U CN 201721558055U CN 207554408 U CN207554408 U CN 207554408U
- Authority
- CN
- China
- Prior art keywords
- ring
- screw hole
- intermediate ring
- mechanical seal
- discharge pump
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses one kind and dredges discharge pump mechanical seal device, the axle sleeve being placed on main shaft including fixation and mutual cooperation for the rotating ring and stationary ring sealed；Counterbalance spring rear is provided with supplement sealing mounting ring, and the supplement sealing mounting ring inner ring surface is provided with the installation groove of annular, elastic packing material is filled in the installation groove；An intermediate ring is further included, the intermediate ring section is L-shaped, and one end is extended into installation groove；The intermediate ring inner ring surface is provided with the secondary seal mounting groove of annular, and elastic packing material is filled in the secondary seal mounting groove；Intermediate ring rear end is provided with pressure ring, and the pressure ring section is L-shaped, and one end is extended into secondary seal mounting groove；The supplement sealing mounting ring, intermediate ring are provided with the corresponding screw hole in position on pressure ring, and bolt is screwed in after sequentially passing through the screw hole on pressure ring and intermediate ring in the screw hole in supplement sealing mounting ring.
Description
Technical field
The utility model is related to a kind of mechanically-sealing apparatus for excavating pump.
Background technology
Mechanical seal is a kind of gland seal device of rotating machinery.For example centrifugal pump, centrifuge, reaction kettle and compressor etc. are set
It is standby.Since transmission shaft is applied in inside and outside equipment, in this way, there are a circumferential clearance between axis and equipment, the medium in equipment leads to
The gap is crossed to outward leakage, if pressure subatmospheric in equipment, air are revealed into equipment, it is therefore necessary to which there are one hinder
The gland seal device of stopping leak dew.There are many type of axle envelope, since mechanical seal has many advantages, such as that leakage rate is few and long lifespan, so ought
Modern mechanical seal in the world is in the most important sealing mode of these equipment.Mechanical seal is called end face seal, has in country
It is defined as in the standard of pass：" by least a pair perpendicular to the end face of rotation axis in Fluid pressure and compensation mechanism elastic force
（Or magnetic force）Effect and auxiliary seal cooperation under keep be bonded and formed with respect to slip prevent fluid leak dress
It puts.”
Due to the particularity that excavating pump uses, repaiied even if mechanical seal minor leakage occur and can not shut down for a long time immediately
Reason is replaced.And can not just be repaired after machine in existing mechanical seal, it is also long to replace the time used.
Utility model content
In view of this, the utility model provides one kind and dredges discharge pump mechanical seal device, and being provided in dynamic and static ring rear end can be fast
The supplement sealing that speed is proved effective, sealing function can be temporarily provided after dynamic and static ring sealing failure.
For solution more than technical problem, the technical solution of the utility model is to be dredged discharge pump mechanical seal device using one kind,
Including the fixed axle sleeve being placed on main shaft and cooperate for the rotating ring and stationary ring of sealing；The axle sleeve front end is provided with convex
Ring, the mounting base for installing rotating ring is provided on the bulge loop, and the rotating ring is embedded in mounting base and is fastened using snap ring；Institute
It states stationary ring to be fixed in the installation set connecting with pump case, and its rear end is provided with the counterbalance spring for preload；The compensation
Spring rear is provided with supplement sealing mounting ring, and the supplement sealing mounting ring inner ring surface is provided with the installation groove of annular, described
Elastic packing material is filled in installation groove；An intermediate ring is further included, the intermediate ring section is L-shaped, and one end extends
Into in installation groove；The intermediate ring inner ring surface is provided with the secondary seal mounting groove of annular, is filled out in the secondary seal mounting groove
Filled with elastic packing material；Intermediate ring rear end is provided with pressure ring, and the pressure ring section is L-shaped, and one end extends into secondary seal
In mounting groove；The supplement sealing mounting ring, intermediate ring are provided with the corresponding screw hole in position on pressure ring, and bolt sequentially passes through pressure ring
In the screw hole after the screw hole on intermediate ring in screw-in supplement sealing mounting ring.Under normal circumstances, only dynamic and static ring sealing face
Sealing is provided, and the elastic packing material relaxation setting in intermediate ring and supplement mounting ring does not provide sealability.Work as sound
When ring seal failure starts leakage, mounting ring, intermediate ring and pressure ring will be supplemented by bolt and tense and compress elastic packing material
Deformation provides sealability.
As an improvement the elastic packing material is polytetrafluoroethylene (PTFE).
Improved as a kind of further, the screw hole be along same circle distribution several.So that entire anchor ring by
Power is uniform.
As another further improvement, the intermediate ring is several of front and rear installation.
The utility model is beneficial in that：Discharge pump mechanical seal device of dredging with above structure, is provided with supplement
Sealing system after dynamic and static ring sealing fails, can start supplement sealing system, equipment can be continued to run with 1-2 days immediately.From
And enough buffer time is provided, upstream device is allowed to shut down successively, shutdown suddenly is avoided to cause massive losses.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
It is marked in figure：1 main shaft, 2 axle sleeves, 3 rotating rings, 4 stationary rings, 5 boss, 6 installation sets, 7 counterbalance springs, 8 supplement sealing peaces
Fill ring, 9 elaxtic seals, 10 intermediate rings, 11 pressure rings, 12 bolts.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the technical solution of the utility model, with reference to specific implementation
The utility model is described in further detail for mode.
As shown in Figure 1, the utility model includes the fixed axle sleeve 2 being placed on main shaft 1 and cooperates for sealing
Rotating ring 3 and stationary ring 4；2 front end of axle sleeve is provided with bulge loop 5, and the mounting base for installing rotating ring 3, institute are provided on the bulge loop 5
Rotating ring 3 is stated to be embedded in mounting base and fasten using snap ring；The stationary ring 4 is fixed in the installation set 6 being connect with pump case, and
Its rear end is provided with the counterbalance spring 7 for preload；7 rear of counterbalance spring is provided with supplement sealing mounting ring 8, the benefit
The installation groove that sealing 8 inner ring surface of mounting ring is provided with annular is filled, elastic packing material 9 is filled in the installation groove；Also wrap
An intermediate ring 10 is included, intermediate 10 section of ring is L-shaped, and one end is extended into installation groove；10 inner ring of intermediate ring
Face is provided with the secondary seal mounting groove of annular, and elastic packing material 9 is filled in the secondary seal mounting groove；After intermediate ring 10
End is provided with pressure ring 11, and 11 section of pressure ring is L-shaped, and one end is extended into secondary seal mounting groove；The supplement sealing
Mounting ring 8, intermediate ring 10 are provided with the corresponding screw hole in position on pressure ring 11, screw hole be along same circle distribution several.Bolt
12, which sequentially pass through pressure ring 11 and screw-in supplement after the screw hole on intermediate ring 10, seals in the screw hole in mounting ring 8.Elastic packing material
Matter 9 is polytetrafluoroethylene (PTFE).Intermediate ring 10 can be front and rear installation several, and it is front and rear compression formed it is multi-sealed.
It the above is only the preferred embodiment of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For the limitation to the utility model, the scope of protection of the utility model should be subject to claim limited range.For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (4)
- The discharge pump mechanical seal device 1. one kind is dredged including the fixed axle sleeve being placed on main shaft and cooperates for the dynamic of sealing Ring and stationary ring；It is characterized in that：The axle sleeve front end is provided with bulge loop, and the installation for installing rotating ring is provided on the bulge loop Seat, the rotating ring are embedded in mounting base and are fastened using snap ring；The stationary ring is fixed in the installation set being connect with pump case, and And its rear end is provided with the counterbalance spring for preload；The counterbalance spring rear is provided with supplement sealing mounting ring, the benefit The installation groove that sealing mounting ring inner ring surface is provided with annular is filled, elastic packing material is filled in the installation groove；It further includes One intermediate ring, the intermediate ring section is L-shaped, and one end is extended into installation groove；The intermediate ring inner ring surface is provided with ring The secondary seal mounting groove of shape, the secondary seal mounting groove is interior to be filled with elastic packing material；Intermediate ring rear end is provided with pressure Ring, the pressure ring section are L-shaped, and one end is extended into secondary seal mounting groove；The supplement sealing mounting ring, intermediate ring, The corresponding screw hole in position is provided on pressure ring, bolt screws in supplement sealing mounting ring after sequentially passing through the screw hole on pressure ring and intermediate ring On screw hole in.
- The discharge pump mechanical seal device 2. one kind according to claim 1 is dredged, it is characterised in that：The elastic packing material is Polytetrafluoroethylene (PTFE).
- The discharge pump mechanical seal device 3. one kind according to claim 1 is dredged, it is characterised in that：The screw hole is along same circle Week distribution several.
- The discharge pump mechanical seal device 4. one kind according to claim 1 is dredged, it is characterised in that：The intermediate ring is front and rear peace Dress several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721558055.XU CN207554408U (en) | 2017-11-21 | 2017-11-21 | It dredges discharge pump mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721558055.XU CN207554408U (en) | 2017-11-21 | 2017-11-21 | It dredges discharge pump mechanical seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554408U true CN207554408U (en) | 2018-06-29 |
Family
ID=62679373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721558055.XU Expired - Fee Related CN207554408U (en) | 2017-11-21 | 2017-11-21 | It dredges discharge pump mechanical seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894892A (en) * | 2020-08-12 | 2020-11-06 | 赣州市闻誉科技有限公司 | Centrifugal pump sealing device convenient to install and replace |
-
2017
- 2017-11-21 CN CN201721558055.XU patent/CN207554408U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894892A (en) * | 2020-08-12 | 2020-11-06 | 赣州市闻誉科技有限公司 | Centrifugal pump sealing device convenient to install and replace |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20211121 |