CN211924892U - Shaft end seal for double-horizontal-shaft forced concrete mixer flushed by water - Google Patents
Shaft end seal for double-horizontal-shaft forced concrete mixer flushed by water Download PDFInfo
- Publication number
- CN211924892U CN211924892U CN202020504982.9U CN202020504982U CN211924892U CN 211924892 U CN211924892 U CN 211924892U CN 202020504982 U CN202020504982 U CN 202020504982U CN 211924892 U CN211924892 U CN 211924892U
- Authority
- CN
- China
- Prior art keywords
- ring
- static
- fixed
- sealing ring
- mounting seat
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 230000003068 static effect Effects 0.000 claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 22
- 238000011010 flushing procedure Methods 0.000 claims abstract description 14
- 230000001050 lubricating effect Effects 0.000 claims abstract description 14
- 239000010687 lubricating oil Substances 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 abstract description 9
- 238000005461 lubrication Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 2
- 241001330002 Bambuseae Species 0.000 abstract description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 2
- 239000011425 bamboo Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a shaft end seal for a double horizontal shaft forced concrete mixer adopting water washing, which is characterized in that a rotary sealing ring is fixed on a mixing shaft, a static sealing ring is fixed on a fixed flange, and the static sealing ring is arranged outside the rotary sealing ring to form a fixed and movable gap; the movable ring mounting seat provided with the movable ring is mounted on the stirring shaft through a tensioning sleeve, the static ring mounting seat provided with the static ring is fixed on the fixed flange, and the sealing mounting seat on the outer side of the movable ring mounting seat is provided with a one-way sealing ring; be equipped with lubricated passageway on the quiet ring mount pad, flushing water tank is through the pipeline connection that has the water pump the sealed mount pad on the passageway that washes, washes the passageway and decides the dynamic clearance intercommunication, and the water pressure that washes in the passageway is higher than and mixes a section of thick bamboo internal pressure, the utility model has the characteristics of reduce in the concrete lubricating oil or lubricating grease mix into, adopt the clear water to wash inside, in the sparge water directly gets into the churn, stop towards lubrication or lubricating grease to concrete pollution.
Description
Technical Field
The utility model belongs to the technical field of the axle head is sealed for the forced concrete mixer of two horizontal axles, especially, relate to an adopt axle head seal for the forced concrete mixer of two horizontal axles that water washed.
Background
A forced concrete mixer with double horizontal shafts is a most abundant concrete mixer in China. When the stirring shaft is in work, two stirring shafts of the stirring shaft are always immersed in concrete, so that the problem of shaft end sealing exists, the shaft end sealing is a part which is necessary to exist in a plurality of stirring devices, and the service life of the shaft end sealing determines the operation rate and the maintenance period of the whole device.
The shaft end seal of the existing double-horizontal shaft forced concrete mixer mostly takes floating seal as a main part, labyrinth and air seal are assisted to form a set of unique sealing system, lubricating oil or lubricating grease is adopted for lubrication and cooling, and the lubricating oil and the lubricating grease finally enter a mixing drum after being injected into a sealing cavity to be mixed with concrete. Therefore, a large amount of lubricating oil or grease is mixed into the concrete, and the quality of the concrete cannot be guaranteed when the use requirement of the concrete is strict, so that a sealing system which does not affect the quality of the concrete is required.
Disclosure of Invention
An object of the utility model is to improve the not enough of prior art and provide a reduce in the concrete lubricating oil or lubricating grease mix, adopt the clear water to wash its inside, in the sparge water directly got into the churn, stop towards lubricated or lubricating grease to the adoption water washed of concrete pollution and forced shaft end seal for concrete mixer.
The utility model aims at realizing the shaft end seal for the forced double-horizontal shaft concrete mixer by adopting water washing, which comprises a stirring shaft of the forced double-horizontal shaft concrete mixer and is characterized in that the front end seal comprises a rotary sealing ring and a static sealing ring, the rotary sealing ring is fixed on the stirring shaft and rotates along with the stirring shaft, the static sealing ring is fixed on a fixed flange and is static, the static sealing ring is arranged at the outer side of the rotary sealing ring, and a static clearance is formed between the static sealing ring and the static sealing ring; the movable ring mounting seat is mounted on the stirring shaft through a tensioning sleeve, and a movable ring is mounted on the movable ring mounting seat; the static ring mounting seat provided with the static ring is fixed on the fixed flange, and the sealing mounting seat arranged on the outer side of the dynamic ring mounting seat is provided with a one-way sealing ring; a lubricating channel is arranged on the static ring mounting seat, and lubricating oil enters the fixed and movable gaps through the lubricating channel and the one-way sealing ring; the flushing water tank is connected and communicated with a flushing channel on the sealing installation seat through a pipeline with a water pump, the flushing channel is communicated with the fixed and movable gap, and the water pressure in the flushing channel is higher than the internal pressure of the mixing barrel.
Compared with the prior art, the utility model has the following characteristics of showing and positive effect: the utility model discloses replace lubricating oil or lubricating grease with the water under high pressure to sealed inside washing, avoid lubricating oil or lubricating grease to produce the pollution to the concrete, the utility model discloses material and the structure that the adjustment axle head is sealed adopts the clear water that is higher than mixing a section of thick bamboo internal pressure to wash, seal the cavity, set up the water supply system that washes, for the sealed clear water that washes that provides of axle head, the sealed internals of axle head all adopts stainless steel processing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the shaft end seal of the present invention.
In the figure: 1. stirring shaft, 2, stationary ring mount pad, 3, stationary ring, 4, rotating ring, 5, one-way sealing ring, 6, rotating ring mount pad, 7, mounting flange, 8, sealing mount pad, 9, stationary seal ring, 10, rotary seal ring, 11, lubrication channel, 12, pipeline, 13, water pump, 14, flushing tank, 15, fixed dynamic clearance.
Detailed Description
A shaft end seal for a double-horizontal-shaft forced concrete mixer flushed by water is disclosed, referring to fig. 1 and fig. 2, the front end seal comprises a rotary seal ring 10 and a static seal ring 9, the rotary seal ring 10 is fixed on a stirring shaft 1 of the double-horizontal-shaft forced concrete mixer and rotates along with the stirring shaft 1, the static seal ring 9 is fixed on a fixed flange 7 and is static, the static seal ring 9 is installed on the outer side of the rotary seal ring 10, a fixed-motion gap 15 is formed between the rotary seal ring 10 and the static seal ring 9, a first seal of the shaft end seal is formed by the rotary seal ring 10 and the static seal ring 9, and mortar enters from the fixed-motion gap 15 between; the movable ring mounting seat 6 is mounted on the stirring shaft 1 through a tensioning sleeve, and the movable ring 4 is mounted on the movable ring mounting seat 6 and rotates along with the stirring shaft 1; the static ring mounting seat 2 provided with the static ring 3 is fixed on the fixed flange 7 and is static, and the static ring 3 and the movable ring 4 jointly form a sealing surface to play a main sealing role; the sealing installation seat 8 arranged on the outer side of the movable ring installation seat 6 is provided with a one-way sealing ring 5 which can prevent mortar from entering a sealing end face from the fixed and movable gap 15, and lubricating oil can enter the fixed and movable gap 15 through the sealing ring; a lubricating channel 11 is arranged on the static ring mounting seat 2, and lubricating oil enters the fixed and movable gap 15 through the lubricating channel 11 and the one-way sealing ring 5; the flushing water tank 14 is connected and communicated with a flushing channel on the seal mounting seat 8 through a pipeline 12 with a water pump 13, the flushing channel is communicated with the fixed gap 15, and the water pressure in the flushing channel is higher than the internal pressure of the mixing drum.
When the stirring machine works, the movable ring 4 and the rotary sealing ring 9 rotate together with the stirring shaft 1, and the static ring 3 and the static sealing ring 10 are fixed. At the moment, the mortar enters the sealing surface from the fixed-moving gap 15, washing water is stored in the washing water tank 14 and enters the sealing cavity through the water pump 13 and the pipeline 12, the washing water with the pressure higher than the internal pressure of the mixing drum enters the mixing drum along the fixed-moving gap 15, and the mortar entering the fixed-moving gap 15 is washed into the mixing drum together to play a washing protection role.
Lubricating oil enters through the lubricating channel 11 to lubricate and cool the sealing surfaces of the static ring 3 and the moving ring 4, and because the stirring speed of the stirrer is low, the heat generated by the sealing surfaces is less, so the lubrication is set as manual lubrication and only needs to be performed once per shift, and therefore, the lubricating oil entering the stirring cylinder is less, and the pollution to concrete is reduced. The utility model discloses the used piece in the sealed inside of axle head is stainless steel, stops to cause harm such as corrosion to the organism part because of the access of sparge water.
Claims (1)
1. A shaft end seal for a double-horizontal-shaft forced concrete mixer adopting water washing comprises a stirring shaft of the double-horizontal-shaft forced concrete mixer, and is characterized in that the front end seal comprises a rotary sealing ring and a static sealing ring, the rotary sealing ring is fixed on the stirring shaft and rotates along with the stirring shaft, the static sealing ring is fixed on a fixed flange and is static, the static sealing ring is arranged on the outer side of the rotary sealing ring, and a static and dynamic gap is formed between the static sealing ring and the rotary sealing ring; the movable ring mounting seat is mounted on the stirring shaft through a tensioning sleeve, and a movable ring is mounted on the movable ring mounting seat; the static ring mounting seat provided with the static ring is fixed on the fixed flange, and the sealing mounting seat arranged on the outer side of the dynamic ring mounting seat is provided with a one-way sealing ring; a lubricating oil channel is arranged on the static ring mounting seat, and lubricating oil enters the fixed and movable gaps through the lubricating channel and the one-way sealing ring; the flushing water tank is connected and communicated with a flushing channel on the sealing installation seat through a pipeline with a water pump, the flushing channel is communicated with the fixed and movable gap, and the water pressure in the flushing channel is higher than the internal pressure of the mixing barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504982.9U CN211924892U (en) | 2020-04-09 | 2020-04-09 | Shaft end seal for double-horizontal-shaft forced concrete mixer flushed by water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020504982.9U CN211924892U (en) | 2020-04-09 | 2020-04-09 | Shaft end seal for double-horizontal-shaft forced concrete mixer flushed by water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924892U true CN211924892U (en) | 2020-11-13 |
Family
ID=73374781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020504982.9U Expired - Fee Related CN211924892U (en) | 2020-04-09 | 2020-04-09 | Shaft end seal for double-horizontal-shaft forced concrete mixer flushed by water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924892U (en) |
-
2020
- 2020-04-09 CN CN202020504982.9U patent/CN211924892U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212563687U (en) | Combined sealing structure of sewage submersible electric pump | |
| CN211924892U (en) | Shaft end seal for double-horizontal-shaft forced concrete mixer flushed by water | |
| CN203223555U (en) | Sealing structure of shaft end of concrete mixer | |
| CN201944276U (en) | Output shaft oil-leakage-prevention device for speed reduction box of oil sucking machine | |
| CN116518084A (en) | Sealing device for two-way mechanism of wet clutch of press machine | |
| CN204942492U (en) | A kind of ship unloaders feeder retarder | |
| CN205806489U (en) | A kind of axle end sealing device and innoxious degradation treatment machine | |
| CN213839554U (en) | Shaft end sealing structure for concrete distributor shaft | |
| CN211387127U (en) | Novel flywheel mechanism for 1300-ton cold shears | |
| CN209205110U (en) | A kind of agitator tank with interior-type Axile connection structure | |
| CN209370424U (en) | A kind of combined sealing device of speed reducer | |
| CN209244569U (en) | Shield machine is set with grouting stirring bearing package | |
| CN219412916U (en) | High-speed shaft extension oil seal device of chlorine compressor | |
| CN214699089U (en) | Hydraulic power speed reducer for flat-head mixer | |
| CN220727079U (en) | Sealing device for oil pumping unit reducer | |
| CN210318493U (en) | Sealing device for 300-ton stirring machine | |
| CN218971798U (en) | Double-sealing device of speed reducer | |
| CN210449042U (en) | Single-motor double-stirring sealing connection device | |
| CN220151592U (en) | Leak-proof structure for oil shield of water supply pump | |
| CN212804151U (en) | Shaft end sealing structure of speed reducer | |
| CN220227778U (en) | Sealing structure of speed reducer | |
| CN211992031U (en) | Deep hole lathe is awarded oily ware tip rotation prevention of seepage and is leaked structure | |
| CN214331469U (en) | Oil seal device for bearing chamber of boiler feed water pre-pump | |
| CN220204662U (en) | Drum-type screening machine with low noise | |
| CN215202692U (en) | Concrete mixing main machine |
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 |