CN211924894U - Double-horizontal-shaft forced concrete mixer adopting single-end-face integrated mechanical seal - Google Patents
Double-horizontal-shaft forced concrete mixer adopting single-end-face integrated mechanical seal Download PDFInfo
- Publication number
- CN211924894U CN211924894U CN202020504991.8U CN202020504991U CN211924894U CN 211924894 U CN211924894 U CN 211924894U CN 202020504991 U CN202020504991 U CN 202020504991U CN 211924894 U CN211924894 U CN 211924894U
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- Prior art keywords
- ring
- mounting sleeve
- rotating ring
- positioning step
- ring mounting
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- Expired - Fee Related
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- Mixers Of The Rotary Stirring Type (AREA)
- Mechanical Sealing (AREA)
Abstract
The utility model discloses a forced concrete mixer with double horizontal shafts and adopting single end face container type mechanical seal, a rotating ring mounting sleeve is sleeved on a stirring 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 a third O-shaped ring and a fourth O-shaped ring, the rotating ring with L-shaped section is sleeved on the rotating ring mounting sleeve and wraps the positioning step, a butterfly spring is sleeved on the rotating ring mounting sleeve between the rotating ring and the positioning step, a stationary ring is sleeved on the rotating ring mounting sleeve near the outer side of the rotating ring, a stationary ring mounting sleeve is arranged outside the stationary ring, a first O-shaped ring and a second O-shaped ring are arranged between the stationary ring and the stationary ring mounting sleeve, a stirring shaft locking sleeve is arranged at the rear end of the rotating ring mounting sleeve and is matched with the positioning step to press the stationary ring mounting sleeve, the stationary ring, the rotating ring, the butterfly spring is extruded and pressed, a lubricating channel is, 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 two horizontal shaft forced concrete mixer field especially relates to an adopt single-end face cartridge-type mechanical seal's two horizontal shaft 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, and the floating type mechanical seal used currently has the problems of inconvenience in installation and maintenance, short service life and the like. In daily use, the condition that a working site is dirty due to slurry leakage at the shaft end and even the machine has to be shut down for maintenance often occurs, so that the normal use of the whole stirrer is influenced, the promotion of the project progress is influenced, and the requirements of modern green production are not met.
Disclosure of Invention
An object of the utility model is to improve the not enough of prior art and provide a shaft end seal more reliable, the installation is quick succinct, long service life's the adoption single-ended face cartridge-type mechanical seal's two horizontal shaft forced concrete mixer.
The utility model aims at realizing that a adopt single-end face cartridge-type mechanical seal's forced concrete mixer of double horizontal axle, including the (mixing) shaft of forced mixer of double horizontal axle, its characteristics are rotating ring installation cover suit on the (mixing) shaft, the front end of rotating ring installation cover is equipped with the location step, the inside and outside both sides of location step are equipped with the mounting groove of installing third respectively, fourth O type circle, the rotating ring suit that the cross-section is L shape is in the rotating ring installation cover and wraps up the location step including, disc spring suit is on the rotating ring installation cover between rotating ring and location step, quiet ring is in the rotating ring installation cover near rotating ring outside suit, quiet ring is equipped with quiet ring installation cover outward, be equipped with first, second O type circle between quiet ring and quiet ring installation cover, (mixing) shaft lock sleeve install at the rear end of rotating ring installation cover and with the cooperation of location step with quiet ring installation cover, quiet ring, rotating ring, The butterfly spring is squeezed, the static ring mounting sleeve is provided with a lubricating channel, and the lubricating channel is communicated with external oil supply equipment.
Compared with the prior art, the utility model has the following characteristics of showing and positive effect: the shaft end seal of the utility model can be assembled into a whole in a factory, and the seal is fixed on the cylinder of the stirrer 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 single-ended 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 locking sleeve 2, the movable ring mounting sleeve 3, the static ring mounting sleeve 4, the first O-shaped ring 5, the second O-shaped ring 6, the static ring 7, the movable ring 8, the belleville spring 9, the third O-shaped ring 10, the fourth O-shaped ring 11, the lubricating channel 12, the stirring shaft 13, the stirrer barrel 14 and the inner side of the stirrer tank body.
Detailed Description
A double-horizontal-shaft forced concrete mixer adopting single-end-face cartridge mechanical seal is disclosed, referring to fig. 1, a rotating ring mounting sleeve 2 is sleeved on a mixing shaft 12, the front end of the rotating ring mounting sleeve 2 is provided with a positioning step, the inner side and the outer side of the positioning step are provided with O-shaped ring mounting grooves respectively provided with a third O-shaped ring 9 and a fourth O-shaped ring 10, a rotating ring 7 with an L-shaped section is sleeved on the rotating ring mounting sleeve 2 and wraps the positioning step, a butterfly spring 8 is sleeved on the rotating ring mounting sleeve 2 between the rotating ring 7 and the positioning step, a static ring 6 is sleeved on the rotating ring mounting sleeve 2 close to the outer side of the rotating ring 7, a static ring mounting sleeve 3 is arranged outside the static ring 6, a first O-shaped ring 4 and a second O-shaped ring 5 are arranged between the static ring 6 and the static ring mounting sleeve 3, a mixing shaft locking sleeve 1 is arranged at the rear end of the rotating ring mounting sleeve 2 and is matched with the positioning, The movable ring 7 and the belleville spring 8 are squeezed, the stationary ring mounting sleeve 6 is provided with a lubricating channel 11, and the lubricating channel 11 is communicated with external oil supply equipment.
When the utility model is assembled, the third O-shaped ring 9 is firstly installed in the O-shaped ring installation groove outside the positioning step of the movable ring installation sleeve 2, the butterfly spring 7 is sleeved on the movable ring installation sleeve 2, then the movable ring 6 is sleeved on the movable ring installation sleeve 2, the section of the movable ring 6 is in an L shape, the groove direction of the movable ring 6 is arranged towards the front end, namely the groove is arranged towards the inner side 14 of the stirring machine body, so as to wrap the positioning step, the butterfly spring 7 is sleeved between the positioning step of the movable ring 6 and the positioning step of the movable ring installation sleeve 2, and then the static ring 5 is installed on the movable ring installation sleeve 2; pack first O type circle 4 and second O type circle 5 into quiet ring installation cover 3, adorn to rotating ring installation cover 2 again together, first O type circle 4 and second O type circle 5 are fixed a position quiet ring installation cover 3 with quiet ring 5, after that (mixing) shaft lock sleeve 1 is adorned to rotating ring installation cover 2, (mixing) shaft lock sleeve 1 is two half structures, during the installation, install one of them half earlier, with quiet ring installation cover 3 of installing forward push, extrusion disc spring 7 takes place to be deformed, one of them half of (mixing) shaft lock sleeve 1 is installed, the location step of rotating ring installation cover 2 is with its location, then the other half of same method installation (mixing) shaft lock sleeve 1, with (mixing) shaft lock sleeve 1 fastening together, pack fourth O type circle 10 into the inboard O type circle inslot of location step of rotating ring installation cover 2 at last, the utility model discloses the equipment finishes.
Fig. 2 is the utility model discloses mounted position on the forced concrete mixer of double horizontal axle, the forced concrete mixer of double horizontal axle have two parallel arrangement's (mixing) shaft, the mixer during operation, two (mixing) shaft complete submergence in the concrete, the utility model discloses install in the combination department of (mixing) shaft and stirring barrel, play sealed effect. Will the utility model discloses a bolted fixation is in mixer barrel 13, and is fixed through fourth O type circle 10 and (mixing) shaft 12, and the installation is simple, does not need the adjustment, and assembly quality obtains guaranteeing. The stirring shaft 12 rotates to drive the movable ring mounting sleeve 2 to rotate, the movable ring mounting sleeve 2 is provided with a movable ring 7 and a belleville spring 8 which rotate together with the stirring shaft 12, the static ring mounting sleeve 3 is fixed on the stirrer barrel 13 through a fixing bolt, and a static ring 6 is fixed on the static ring mounting sleeve through a first O-shaped ring 4 and a second O-shaped ring 5 and is fixed.
The utility model discloses all parts are assembled into a whole in the factory, then install whole mechanical seal on the forced concrete mixer of double horizontal axle, see figure 2. The mechanical seal integrally assembled in a factory has three advantages: 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 single-end-face cartridge mechanical seal comprises a mixing shaft of the double-horizontal-shaft forced mixer, 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 a third O-shaped ring and a fourth O-shaped ring, the movable ring with an L-shaped section is sleeved on the movable ring mounting sleeve and wraps the positioning step, a butterfly spring is sleeved on the movable ring mounting sleeve between the movable ring and the positioning step, a stationary ring is sleeved on the movable ring mounting sleeve close to the outer side of the movable ring, a stationary ring mounting sleeve is arranged outside the stationary ring, a first O-shaped ring and a second O-shaped ring are arranged between the stationary ring and the stationary ring mounting sleeve, the mixing shaft is arranged at the rear end of the movable ring mounting sleeve and matched with the positioning step to squeeze the stationary ring mounting sleeve, the stationary ring, the lubricating channel is communicated with external oil supply equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504991.8U CN211924894U (en) | 2020-04-09 | 2020-04-09 | Double-horizontal-shaft forced concrete mixer adopting single-end-face integrated mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504991.8U CN211924894U (en) | 2020-04-09 | 2020-04-09 | Double-horizontal-shaft forced concrete mixer adopting single-end-face integrated mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924894U true CN211924894U (en) | 2020-11-13 |
Family
ID=73374803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020504991.8U Expired - Fee Related CN211924894U (en) | 2020-04-09 | 2020-04-09 | Double-horizontal-shaft forced concrete mixer adopting single-end-face integrated mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924894U (en) |
-
2020
- 2020-04-09 CN CN202020504991.8U patent/CN211924894U/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 |
Granted publication date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |