CN211924893U - Double-horizontal-shaft forced concrete mixer adopting double-end-face integrated mechanical seal - Google Patents
Double-horizontal-shaft forced concrete mixer adopting double-end-face integrated mechanical seal Download PDFInfo
- Publication number
- CN211924893U CN211924893U CN202020504984.8U CN202020504984U CN211924893U CN 211924893 U CN211924893 U CN 211924893U CN 202020504984 U CN202020504984 U CN 202020504984U CN 211924893 U CN211924893 U CN 211924893U
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- ring
- movable ring
- movable
- static
- double
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- Expired - Fee Related
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- 230000003068 static effect Effects 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 abstract description 21
- 238000005299 abrasion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The utility model discloses a forced double-horizontal-shaft concrete mixer adopting double-end-face container type mechanical seal, a movable ring installation sleeve with a positioning step at the front end is sleeved on a stirring shaft, the inner side and the outer side of the positioning step are provided with installation grooves respectively provided with an inner O-shaped ring and an outer O-shaped ring, the movable ring installation sleeve is sequentially provided with a first movable ring, a first static ring, a second static ring and a second movable ring from front to back, the first movable ring and the second movable ring are sleeved on the movable ring installation sleeve and are relatively fixed with the movable ring installation sleeve through a movable ring O-shaped ring, the first static ring and the second static ring are sleeved with the static ring installation sleeve and are relatively fixed through a static ring O-shaped sealing ring, a stirring shaft locking sleeve is fixed on a stirring shaft at the outer side of the second movable ring, butterfly springs are arranged between the second movable ring and the stirring shaft locking sleeve, the first movable ring and the positioning step, the static ring installation sleeve is fixed on a cylinder body, a wear-resistant ring, the utility model has the characteristics of sealed more reliable, the installation is quick succinct, long service life.
Description
Technical Field
The utility model belongs to the technical field of two horizontal axis forced concrete mixer, especially, relate to an adopt bi-polar face cartridge-type mechanical seal's two horizontal axis forced concrete mixer.
Background
The double-horizontal-shaft forced concrete mixer is the concrete mixer with the largest use amount at the present stage in China, the service life of the shaft end seal of the double-horizontal-shaft forced concrete mixer is a key factor for restraining the forward development of the mixer, the floating type mechanical seal used at present has the problems of inconvenience in installation and maintenance, short service life and the like, and in daily use, the situations that a work site is dirty and messy due to slurry leakage at the shaft end and even the mixer has to be shut down for maintenance often occur, so the normal use of the whole mixer is influenced, the project progress is influenced, and the requirement of modern green production is not met.
Disclosure of Invention
An object of the utility model is to improve the not enough of prior art and provide a two horizontal axle forced concrete mixer of adoption two terminal surfaces cartridge-type mechanical seal that axle end is sealed more reliable, the installation is quick succinct, long service life.
The utility model aims at realizing the above, a double-horizontal shaft forced concrete mixer adopting double-end-face integrated mechanical seal, which comprises a mixing shaft, a barrel body and a wear-resisting ring of the double-horizontal shaft forced mixer, and is characterized in that a rotating ring mounting sleeve is sleeved on the mixing shaft, the front end of the rotating ring mounting sleeve is provided with a positioning step, the inner side and the outer side of the positioning step are provided with mounting grooves respectively provided with an inner O-shaped ring and an outer O-shaped ring, the rotating ring is sleeved with a first rotating ring, a first stationary ring, a second stationary ring and a second rotating ring which are sequentially arranged from the front end to the rear end, the first rotating ring and the second rotating ring are sleeved on the rotating ring mounting sleeve and are relatively fixed with the rotating ring mounting sleeve through the O-shaped ring of the rotating ring, the stationary ring mounting sleeve and the two stationary rings are respectively relatively fixed through the O-shaped sealing rings, a mixing shaft locking sleeve is fixed on the mixing shaft outside the second rotating ring, and belleville springs are arranged between the second rotating ring and the stirring shaft locking sleeve as well as between the first rotating ring and the positioning step, the stirring shaft locking sleeve is matched with the positioning step to extrude and assemble the rotating ring installation sleeve, the static ring installation sleeve, the first static ring, the second static ring, the first rotating ring and the second rotating ring into a whole, the static ring installation sleeve is fixed on the barrel, and the wear-resisting ring fixed on the inner side of the barrel is tightly attached to the first rotating ring and is fixed outside.
Compared with the prior art, the utility model has the following characteristics of showing and positive effect: the utility model can be assembled into a whole in the factory, and the seal is fixed on the mixer cylinder only by the fixing bolt during installation, so that adjustment is not needed, and the field workload is small; the utility model adopts the disc spring to compensate the abrasion clearance between the movable ring and the static ring, the compensation is rapid, and the compensation amount is large; the utility model discloses a bi-polar face cartridge-type mechanical seal replaces existing floating mechanical seal, solves floating seal installation, changes inconveniently, the short problem of life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of an installation and use structure of the present invention.
In the figure: 1. the stirring shaft comprises a locking sleeve of a stirring shaft, 2, a movable ring installation sleeve, 3, a movable ring O-shaped ring, 4, a static ring installation sleeve, 5, a static ring O-shaped ring, 6, a static ring, 7, a first movable ring, 8, a belleville spring, 9, an outer O-shaped ring, 10, an inner O-shaped ring, 11, a stirring shaft, 12, a second movable ring, 13, a second static ring, 14, a cylinder body, 15 and a wear-resisting ring.
Detailed Description
A double-horizontal-shaft forced concrete mixer adopting double-end-face integrated mechanical seal is disclosed, referring to fig. 1 and 2, a movable ring mounting sleeve 2 is sleeved on a mixing shaft 11 of the double-horizontal-shaft forced mixer, the front end of the movable ring mounting sleeve 2 is provided with a positioning step, the inner side and the outer side of the positioning step are provided with mounting grooves respectively provided with an inner O-shaped ring 10 and an outer O-shaped ring 9, the movable ring mounting sleeve 2 is sequentially provided with a first movable ring 7, a first static ring 6, a second static ring 13 and a second movable ring 12 from the front end to the rear end, the first movable ring 7 and the second movable ring 12 are sleeved on the movable ring mounting sleeve 2 and are relatively fixed with the movable ring mounting sleeve 2 through a movable ring O-shaped ring 3, the first static ring 6 and the second static ring 13 are sleeved with a static ring mounting sleeve 4, the first static ring 6 and the second static ring 13 are relatively fixed through a static ring O-shaped sealing ring 5 respectively, a locking sleeve 1 is fixed on the mixing shaft 11 at the outer side of the second movable ring, disc springs 8 are arranged between the second movable ring 12 and the stirring shaft locking sleeve 1, and between the first movable ring 7 and the positioning step, the stirring shaft locking sleeve 1 and the positioning step are matched to extrude and assemble the movable ring mounting sleeve 2, the static ring mounting sleeve 4, the first static ring 6, the second static ring 13, the first movable ring 7 and the second movable ring 12 into a whole, the static ring mounting sleeve 4 is fixed on the barrel 14, and the wear-resistant ring 15 fixed on the inner side of the barrel 14 is tightly attached to the first movable ring 7 for external fixation.
The utility model is characterized in that a stirring shaft locking sleeve 1, a movable ring mounting sleeve 2, a stationary ring mounting sleeve 4, a first stationary ring 6, a second stationary ring 13, a first movable ring 7 and a second movable ring 12 are assembled into a whole and fixed together by an elastic retainer ring for a shaft; the rotating ring installation sleeve 2 is relatively fixed with the first rotating ring 7 and the second rotating ring 12 through the rotating ring O-shaped ring 3, the static ring installation sleeve 4 is relatively fixed with the first static ring 6 and the second static ring 13 through the static ring O-shaped sealing ring 9, the two static rings and the two rotating rings are extruded and laminated into a sealing surface through the butterfly spring 8, the static rings and the rotating rings are made of hard alloy, the hardness is high, the wear resistance is good, the abrasion error of the sealing ring is compensated through the butterfly spring 8, the compensation is rapid, and the compensation amount is large. The utility model discloses a bi-polar face seal structure has two quiet rings, two rotating rings respectively promptly in sealed cavity, forms two sealed faces, has just so formed double seal structure, and is sealed tighter, and the sealed life-span of axle head is longer, the utility model discloses can also set up conventional lubricating arrangement to satisfy lubricated needs.
The mixer during operation, two (mixing) shaft complete submergence are in the concrete, the utility model discloses the axle head is sealed to be installed promptly in the combination department of (mixing) shaft and stirring barrel, and is fixed through interior O type circle 10 and (mixing) shaft 11, plays sealed effect. The utility model discloses a collection dress formula design, all parts are made up into a whole in the factory promptly, then install whole mechanical seal on the forced concrete mixer of double horizontal axle. The double-end-face cartridge mechanical seal is fixed on the mixer barrel 14 through bolts and fixed with the mixing shaft 11 through the set screws, the installation process is simple, adjustment is not needed, and the assembly quality is guaranteed.
The utility model discloses there is three advantage: firstly, the quality of the whole assembly of the in-plant assembly is guaranteed; the mechanical seal assembled into a whole is convenient to install when being installed on a double-horizontal-shaft forced mixer, and only the mechanical seal sleeve is needed to be installed on a mixer shaft of the mixer and is fixed on the mechanical seal installation flange and the mixer shaft through fixing bolts, so that the problems of complicated links of the floating seal in the assembling process and different seal service lives caused by strong assembling manufacturability are solved; and thirdly, the integrated mechanical seal adopts a belleville spring to compensate the axial clearance, the compensation is more timely and larger than the O-shaped ring compensation of the floating seal, and the sealing surface is not easy to open and the seal is not easy to leak.
Claims (1)
1. A double-horizontal-shaft forced concrete mixer adopting double-end-face integrated mechanical seal comprises a mixing shaft of the double-horizontal-shaft forced mixer, a cylinder body and a wear-resistant ring, and is characterized in that a movable ring mounting sleeve is sleeved on the mixing shaft, the front end of the movable ring mounting sleeve is provided with a positioning step, the inner side and the outer side of the positioning step are provided with mounting grooves respectively provided with an inner O-shaped ring and an outer O-shaped ring, the movable ring mounting sleeve is sequentially provided with a first movable ring, a first stationary ring, a second stationary ring and a second movable ring from the front end to the rear end, the first movable ring and the second movable ring are sleeved on the movable ring mounting sleeve and are relatively fixed with the movable ring mounting sleeve through the movable ring O-shaped ring, the stationary ring mounting sleeve and the two stationary rings are respectively relatively fixed through the stationary ring O-shaped sealing rings, the mixing shaft outside the second movable ring is fixedly provided with a mixing shaft locking sleeve, and butterfly springs are respectively arranged between the second movable ring and the mixing shaft locking sleeve, and the first movable ring, the stirring shaft locking sleeve is matched with the positioning step to extrude and assemble the movable ring mounting sleeve, the static ring mounting sleeve, the first static ring, the second static ring, the first movable ring and the second movable ring into a whole, the static ring mounting sleeve is fixed on the barrel, and the wear-resisting ring fixed on the inner side of the barrel is tightly attached to the first movable ring and is fixed outside the barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504984.8U CN211924893U (en) | 2020-04-09 | 2020-04-09 | Double-horizontal-shaft forced concrete mixer adopting double-end-face integrated mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504984.8U CN211924893U (en) | 2020-04-09 | 2020-04-09 | Double-horizontal-shaft forced concrete mixer adopting double-end-face integrated mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924893U true CN211924893U (en) | 2020-11-13 |
Family
ID=73374766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020504984.8U Expired - Fee Related CN211924893U (en) | 2020-04-09 | 2020-04-09 | Double-horizontal-shaft forced concrete mixer adopting double-end-face integrated mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924893U (en) |
-
2020
- 2020-04-09 CN CN202020504984.8U patent/CN211924893U/en not_active Expired - Fee Related
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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: 20201113 |