CN206617584U - A kind of sealing device of mortar vehicle agitating shaft shaft end - Google Patents
A kind of sealing device of mortar vehicle agitating shaft shaft end Download PDFInfo
- Publication number
- CN206617584U CN206617584U CN201720259364.0U CN201720259364U CN206617584U CN 206617584 U CN206617584 U CN 206617584U CN 201720259364 U CN201720259364 U CN 201720259364U CN 206617584 U CN206617584 U CN 206617584U
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- China
- Prior art keywords
- bearing block
- lip
- bearing
- ring
- seal
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 239000004570 mortar (masonry) Substances 0.000 title claims description 44
- 239000004519 grease Substances 0.000 claims abstract description 38
- 238000012856 packing Methods 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000005461 lubrication Methods 0.000 claims abstract description 9
- 239000010687 lubricating oil Substances 0.000 claims abstract description 7
- 230000001050 lubricating effect Effects 0.000 claims description 24
- 239000003921 oil Substances 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000314 lubricant Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 101100441413 Caenorhabditis elegans cup-15 gene Proteins 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Landscapes
- Sealing Of Bearings (AREA)
Abstract
Turn shaft seal the utility model discloses a kind of trucd mixer, belong to technical field of sealing technology.The device includes bearing block, along front and rear rotating shaft, the mounting flange on front side of bearing block, the closure located at bearing block front end, the bearing between bearing block rear portion and rotating shaft and the end cap located at bearing base rear end being located to rotating in bearing block, and closure is located in mounting flange;Closure is interference fitted with rotating shaft and the front end face of end face and bearing block constitutes labyrinth seal structure thereafter, labyrinth seal structure is connected with the first seal grease passage in bearing block, bearing block is anterior to be provided with axle sleeve between rotating shaft, the first lip-type packing and the second lip-type packing are interval between axle sleeve and bearing block from front to back, the bearing installation cavity being provided between first lip-type packing and the second lip-type packing on the lubrication cavity for being used for filling lubricating oil, lubrication cavity and bearing block is connected with the drainback passage in bearing block and the second seal grease passage.
Description
Technical field
The utility model belongs to technical field of sealing technology, more particularly to a kind of sealing device of mortar vehicle agitating shaft shaft end.
Background technology
Mortar vehicle is used to transport mortar, the walking of its stirring system and tank base main in mortar tank body, tank body
System is constituted, and mortar vehicle needs to be stirred mortar by stirring system in the process of transport mortar, to prevent mortar from condensing.
In order to prevent mortar from being leaked outside in whipping process, it will need to be carried out between the shaft end of mortar vehicle stirring power transmission shaft and mortar vehicle tank close
Envelope.Existing mortar vehicle sealing structure of shaft end mainly has three kinds:The first is open labyrinth seal, this sealed processing dress
It is high with precision prescribed, assemble for convenience, gap general control is sealed in 0. below 5mm, gap with lubricant grease, it is this close
The envelope time is short, through after a period of time, mortar pressure will break through lubricant grease, cause seal failure.Second is dynamic and static ring
Mechanical seal, this sealing structure is simple, good sealing effect, but dynamic and static ring desired strength is high and wear-resisting, need to use and use special material
Expect to make, therefore price is costly, processing and fabricating is difficult, is unfavorable for widely using.The third is combined labyrinth and carbon gland, and its is close
Envelope mode is first use labyrinth seal or simple mechanical seal, and second is oil pressure sealing, and its principle is by oil pump
Constantly the lubricating oil of injection certain pressure, makes oil pressure constantly be more than and wants sealed mortar pressure, to reach sealing effectiveness;This
Though kind of mode good sealing effect, injects a large amount of lubricating oil so that lubricating oil is mixed with mortar, causes under mortar quality for a long time
Drop, simultaneously because needing the equipment such as supporting oil pump, fuel tank, causes use cost to increase.
The content of the invention
There is provided a kind of the close of mortar vehicle agitating shaft shaft end for the above-mentioned deficiency of the prior art that aims to overcome that of this patent
Seal apparatus, its is simple in construction, easy for installation and be easily changed, it is with low cost, good sealing effect, Sealing period is long, practical.
The technical scheme is as follows:
The utility model embodiment provides a kind of sealing device of mortar vehicle agitating shaft shaft end, and the device includes bearing block
1st, along the front and rear rotating shaft 2 being located to rotating in bearing block 1, the mounting flange 3 located at the front side of bearing block 1, located at the front end of bearing block 1
Closure 4, the bearing 5 between the rear portion of bearing block 1 and rotating shaft 2 and the end cap 6 located at the rear end of bearing block 1, the sealing
Lid 4 is located in mounting flange 3;The closure 4 is interference fitted with rotating shaft 2 and the front end face of end face and bearing block 1 is constituted thereafter
Labyrinth seal structure, the labyrinth seal structure is connected with the first seal grease passage 7 in bearing block 1, before the bearing block 1
Axle sleeve 8 is provided between portion and rotating shaft 2, the first lip-type packing 9 is interval with from front to back between the axle sleeve 8 and bearing block 1
With the second lip-type packing 10, being provided between the lip-type packing 10 of the first lip-type packing 9 and second is used to fill lubrication
The lubrication cavity of oil, bearing installation cavity on the lubrication cavity and bearing block 1 with the drainback passage 11 in bearing block 1 and the
Two seal grease passages 12 are connected.
Wherein, have between the closure 4 and bearing block 1 in the utility model embodiment in gap, the gap and fill
There is Seal Oil;The rear side of the closure 4 is ring seal structure, and rear side is provided with the shaggy tooth of ring-type;The bearing block 1
Front side is stationary ring sealing structure, its convex and concave teeth of front side provided with the ring-type being engaged with the shaggy tooth on closure 4.
Wherein, in the utility model embodiment the first lip-type packing 9 and the second lip-type packing 10 is set in the same direction.
Wherein, O-ring 13, institute are provided between the outer face of the bearing block 1 in the utility model embodiment and mounting flange 3
State and sealing gasket 14 is provided between the front end face of bearing block 1 and mounting flange 3.
Preferably, the quantity of the first seal grease passage 7 in the utility model embodiment is two, respectively with labyrinth seal
Position is connected at the two of structure.
Further, the outside of the bearing block 1 in the utility model embodiment provided with the first lubricating cup 15, the second lubricating cup 16,
3rd lubricating cup 21 and spill port 20, the lubricating cup 21 of the first lubricating cup 15 and the 3rd connect with two article of first seal grease passage 7 respectively
Logical, second lubricating cup 16 is connected with the second seal grease passage 12, and the spill port 20 is connected with drainback passage 11.
Wherein, bearing 5 is sealed in the bearing installation cavity at the rear portion of bearing block 1 by the end cap 6 in the utility model embodiment,
Back-up ring 17 is provided between the end cap 6 and rotating shaft 2, the back-up ring 17 is fixed in rotating shaft 2, between the end cap 6 and back-up ring 17
Provided with the 3rd lip-type packing 18.
Preferably, in the rotating shaft 2 in the utility model embodiment and it is sequentially provided with stop positioned at the adjacent rear of back-up ring 17
Packing ring 19 and nut 22, the stop washer 19 and nut 22 act against back-up ring 17 on bearing 5.
The utility model embodiment provides a kind of sealing device of mortar vehicle agitating shaft shaft end, and it has following beneficial effect
Really:
(1) closure coordinates with bearing block constitutes labyrinth seal, and is set on bearing block to space at labyrinth seal position
The first lubricating cup and the 3rd lubricating cup of interior injection seal grease.
(2) two lip-type packings are provided between mortar vehicle rotating shaft and bearing block, and are sealed in bearing installation position and two
Drainback passage is provided with cavity between circle.
(3) injection seal grease in the cavity formed between oriented bearing installation position and two sealing rings is set on bearing block
The second lubricating cup.
(4) axle sleeve is provided between rotating shaft and bearing block, prevents mortar from penetrating into power transmission shaft mill caused by the sealing of second and third road
Damage.
Brief description of the drawings
Fig. 1 is the structural representation of the sealing device for the mortar vehicle agitating shaft shaft end that the utility model embodiment is provided;
Fig. 2 is the structural representation that the bearing block that the utility model embodiment is provided is combined with closure;
Fig. 3 is the structural representation for the bearing block that the utility model embodiment is provided;
Fig. 4 is the structural representation for the rotating shaft that the utility model embodiment is provided;
Fig. 5 is the structural representation for the closure that the utility model embodiment is provided;
Fig. 6 is the structural representation for the end cap that the utility model embodiment is provided.
In figure:1 bearing block, 2 rotating shafts, 3 mounting flanges, 4 closures, 5 bearings, 6 end caps, 7 first seal grease passages, 8
Axle sleeve, 9 first lip-type packings, 10 second lip-type packings, 11 drainback passages, 12 second seal grease passages, 13O types circle,
14 sealing gaskets, 15 first lubricating cups, 16 second lubricating cups, 17 back-up rings, 18 the 3rd lip-type packings, 19 stop washers, 20 spill ports, 21
3rd lubricating cup, 22 nuts.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type is described in further detail.
Referring to Fig. 1-6, the utility model embodiment provides a kind of sealing device of mortar vehicle agitating shaft shaft end, the device
Including bearing block 1, along the front and rear rotating shaft 2 being located to rotating in bearing block 1, the mounting flange 3 located at the front side of bearing block 1, it is located at
The closure 4 of the front end of bearing block 1, the bearing 5 between the rear portion of bearing block 1 and rotating shaft 2 and the end cap located at the rear end of bearing block 1
6 etc..Wherein, rotating shaft 2 can be driving shaft or driven shaft, and its one end is provided with flange;Bearing block 1 is cylindric and its front side is rank
Terraced structure, mounting flange 3 is bolted in the hierarchic structure of the front side of bearing block 1;Mounting flange 3 is consolidated with mortar vehicle car body
It is fixed;Closure 4 is located in mounting flange 3, and the outside of closure 4 coordinates with the medial gap of mounting flange 3;The rear portion of bearing block 1 is provided with
Bearing 5 is sealed in bearing installation cavity by bearing installation cavity, end cap 6;End cap 6 is bolted on the rear side of bearing block 2.It is foregoing
Structure and existing sealing device are essentially identical, and difference is:
Sealing device in the present embodiment has triple seal, and concrete structure is as follows:Closure 4 is interference fitted with rotating shaft 2
And the front end face of end face and bearing block 1 constitutes labyrinth seal structure thereafter, labyrinth seal structure is dynamic and static ring labyrinth seal structure,
The labyrinth seal structure(The front side of bearing block 1)Connected with the first seal grease passage 7 in bearing block 1, then can be close by first
Envelope grease channel 7 injects seal grease into labyrinth seal structure.Wherein, bearing block 1 is anterior is provided with axle sleeve 8 between rotating shaft 2,
Axle sleeve 8 is fixed in rotating shaft 2, and axle sleeve 8 coordinates with the gap of bearing block 1, and the rear and front end of axle sleeve 8 is born against in the He of closure 4
On bearing 5.The first lip-type packing 9 and the second lip-type packing 10 are interval between axle sleeve 8 and bearing block 1 from front to back,
The lubrication cavity for being used for filling lubricating oil is provided between first lip-type packing 9 and the second lip-type packing 10.Specifically, as schemed
Shown in 3, the anterior hole wall of bearing block 1 is used to be respectively mounted the first lip-type packing 9 and the second lip-type packing provided with two
The diameter that aperture between 10 groove, two grooves is more than rotating shaft 2 makes to constitute filling between the hole wall between two grooves and axle sleeve 8
The lubrication cavity of lubricating oil.Lubricate bearing installation cavity on cavity and the rear portion of bearing block 1 with the drainback passage 11 in bearing block 1
Connected with the second seal grease passage 12, for respectively to the lip-type packing 9 of bearing 5 and first and the note of the second lip-type packing 10
Enter seal grease and discharge waste oil etc..
Wherein, referring to Fig. 1, there is gap, gap is between the closure 4 and bearing block 1 in the utility model embodiment
1.5-2.5mm, Seal Oil is filled with gap.Wherein, the rear side of closure 4 is ring seal structure, and rear side is provided with ring-type
Shaggy tooth;And the front side of bearing block 1 is stationary ring sealing structure, its front side is provided with what is be engaged with the shaggy tooth on closure 4
The convex and concave teeth of ring-type.
Wherein, referring to Fig. 1, the first lip-type packing 9 and the second lip-type packing 10 in the utility model embodiment are same
To setting.Further, the groove of the first lip-type packing 9 and the second lip-type packing 10 is set forward.
Wherein, referring to Fig. 1, O is provided between the outer face of the bearing block 1 in the utility model embodiment and mounting flange 3
Type circle 13, is provided with sealing gasket 14 between the front end face and mounting flange 3 of bearing block 1.
Preferably, referring to Fig. 1-3, the quantity of the first seal grease passage 7 in the utility model embodiment is two, respectively
Connected with position at the two of labyrinth seal structure.Specifically, a first seal grease passage 7 and the convex-concave of the front side of bearing block 1
Connected on the outside of tooth, another the first seal grease passage 7 is connected with the convex and concave teeth of the front side of bearing block 1.Each oil circuit is separately provided mutually
Not connecting can effectively prevent mortar from entering the chamber of bearing block 1 by grease channel, and the setting of two the first seal grease passages 7 can make
Sealing station oiling is more abundant.
Further, referring to Fig. 1-3, the outside of the bearing block 1 in the utility model embodiment is provided with the first lubricating cup 15, the
Two lubricating cups 16, the 3rd lubricating cup 21 and spill port 20 etc.;Wherein, the first lubricating cup 15 and the 3rd lubricating cup 21 are sealed with two article first respectively
Grease channel 7 is connected, and the second lubricating cup 16 is connected with the second seal grease passage 12, and spill port 20 is connected with drainback passage 11.Its
In, the first seal grease passage 7, the second seal grease passage 12 and being radially arranged along bearing block 1 of drainback passage 11.
Wherein, referring to Fig. 1, bearing 5 is sealed on the bearing at the rear portion of bearing block 1 by the end cap 6 in the utility model embodiment
In installation cavity, back-up ring 17 is provided between end cap 6 and rotating shaft 2, back-up ring 17 is fixed in rotating shaft 2(Coordinate with the gap of bearing block 1)And
Its front end is acted against on bearing 5, the front inner of end cap 6(Provided with sealing ring mounting groove)It is close provided with the 3rd lip between back-up ring 17
Seal 18, the 3rd lip-type packing 18 and the first lip-type packing 9 are set in the same direction.
Preferably, in the rotating shaft 2 in the utility model embodiment and positioned at the adjacent rear of back-up ring 17(From front to back)According to
Secondary to be provided with stop washer 19 and nut 22, stop washer 19 and nut 22 act against back-up ring 17 on bearing 5, and stop washer 19 can
It is caught in the cylindrical groove of nut 22, plays locking effect.
Wherein, the back-up ring 17 in the present embodiment has two effects:1st, back-up ring 17 is cylindrical contacts with the 3rd lip-type packing 18,
Seal failure can be prevented and cause rotating shaft to wear and tear;2 and nut 22 coordinate ensure bearing 5 position completely.
Specifically, closure 4, axle sleeve 8, bearing 5, back-up ring 17, stop washer 19 and nut 22 are set in from front to back turns
On axle 2, bearing block 1 is set in outside closure 4, axle sleeve 8 and bearing 5.
Wherein, " first ", " second " and " the 3rd " in the present embodiment only plays differentiation, without other Special Significances.
The utility model embodiment provides a kind of sealing device of mortar vehicle agitating shaft shaft end, and it has following beneficial effect
Really:
1st, the sealing structure of this patent is sealed for first using mechanical labyrinth, make bearing block and closure leave it is certain between
Gap, and lubricant grease is filled in labyrinth seal position, prevent mortar in tank body from penetrating into, prevent agitating shaft when mortar vehicle is again started up
By locking;Second and third road is sealed into oil pressure sealing, and the mortar of labyrinth seal position is penetrated into wherein second sealing filtering;3rd
Road sealing filtering penetrates into the mortar of cavity between two sealing rings;This small-sized oil pressure sealing need not inject lubricant grease always,
Certain pressure lubricant grease need to be once only injected, using a period of time, lubricant grease is added after grease consumption to be lubricated, seals
Placed in the same direction using lip-type packing, good sealing effect, refueling time interval is long again.
2nd, this patent entirely will be focused on sealedly in first of sealing so that first of sealing will just be revealed
The extreme portions of mortar are sealed up, and prevent mortar vehicle because mortar penetrates into sealing device and causes agitating shaft by locking, second
Road and the 3rd road are mainly the seepage for preventing that first of seal failure from causing, and improve the sealing property of total.
3rd, empty cavity position of this patent between bearing installation position and the sealing of second and third road bores spill port, makes bearing cavity
Unimpeded oil circuit is formed, facilitates work-up whether sealing inner chamber lubricant grease is filled it up with when filling lubricant grease, while passing through oil return
Hole can also be changed inside sealing containing the lubricant grease for penetrating into mortar not dismantling sealing structure.
4th, this patent considers the main seal used in the cost factors such as assembling, processing, maintenance, this sealing structure
Part is standard component, and the structural member machining accuracy grade for installing all seals is moderate, and part replacement is convenient.
5th, this patent process and assemble is fairly simple, and consumable accessory changes convenient, and with low cost, total is compact durable, real
It is strong with property.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (8)
1. a kind of sealing device of mortar vehicle agitating shaft shaft end, including bearing block (1), along front and rear it is located at bearing block (1) to rotating
In rotating shaft (2), the mounting flange (3) on front side of bearing block (1), the closure (4) located at bearing block (1) front end, be located at
Bearing (5) between bearing block (1) rear portion and rotating shaft (2) and the end cap (6) located at bearing block (1) rear end, the closure (4)
In mounting flange (3);Characterized in that, the closure (4) and rotating shaft (2) interference fit and thereafter end face and bearing block
(1) front end face constitutes labyrinth seal structure, the labyrinth seal structure and the first seal grease passage in bearing block (1)
(7) connect, the bearing block (1) is anterior to be provided with axle sleeve (8) between rotating shaft (2), between the axle sleeve (8) and bearing block (1)
Be interval with the first lip-type packing (9) and the second lip-type packing (10) from front to back, first lip-type packing (9) and
It is provided between second lip-type packing (10) on the lubrication cavity for being used for filling lubricating oil, the lubrication cavity and bearing block (1)
Bearing installation cavity connected with the drainback passage (11) in bearing block (1) and the second seal grease passage (12).
2. the sealing device of mortar vehicle agitating shaft shaft end according to claim 1, it is characterised in that the closure (4)
Have between bearing block (1) and Seal Oil is filled with gap, the gap;The rear side of the closure (4) is ring seal
Structure, rear side is provided with the shaggy tooth of ring-type;The front side of the bearing block (1) be stationary ring sealing structure, its front side be provided with it is close
The convex and concave teeth for the ring-type that shaggy tooth in capping (4) is engaged.
3. the sealing device of mortar vehicle agitating shaft shaft end according to claim 1, it is characterised in that first lip is close
Seal (9) and the second lip-type packing (10) are set in the same direction.
4. the sealing device of mortar vehicle agitating shaft shaft end according to claim 1, it is characterised in that the bearing block (1)
Outer face and mounting flange (3) between be provided with O-ring (13), between the front end face and mounting flange (3) of the bearing block (1)
Provided with sealing gasket (14).
5. the sealing device of mortar vehicle agitating shaft shaft end according to claim 1, it is characterised in that first Seal Oil
The quantity of fat passage (7) is two, is connected respectively with position at the two of labyrinth seal structure.
6. the sealing device of mortar vehicle agitating shaft shaft end according to claim 5, it is characterised in that the bearing block (1)
Outside be provided with the first lubricating cup (15), the second lubricating cup (16), the 3rd lubricating cup (21) and spill port (20), first lubricating cup (15)
Connected respectively with two article of first seal grease passage (7) with the 3rd lubricating cup (21), second lubricating cup (16) and the second Seal Oil
Fat passage (12) is connected, and the spill port (20) connects with drainback passage (11).
7. the sealing device of the mortar vehicle agitating shaft shaft end according to claim any one of 1-6, it is characterised in that the end
Bearing (5) is sealed in the bearing installation cavity at bearing block (1) rear portion by lid (6), is provided between the end cap (6) and rotating shaft (2)
Back-up ring (17), the back-up ring (17) is fixed in rotating shaft (2), close provided with the 3rd lip between the end cap (6) and back-up ring (17)
Seal (18).
8. the sealing device of mortar vehicle agitating shaft shaft end according to claim 7, it is characterised in that on the rotating shaft (2)
And it is sequentially provided with stop washer (19) and nut (22), the stop washer (19) and nut positioned at the adjacent rear of back-up ring (17)
(22) back-up ring (17) is acted against on bearing (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720259364.0U CN206617584U (en) | 2017-03-17 | 2017-03-17 | A kind of sealing device of mortar vehicle agitating shaft shaft end |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720259364.0U CN206617584U (en) | 2017-03-17 | 2017-03-17 | A kind of sealing device of mortar vehicle agitating shaft shaft end |
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CN206617584U true CN206617584U (en) | 2017-11-07 |
Family
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CN201720259364.0U Expired - Fee Related CN206617584U (en) | 2017-03-17 | 2017-03-17 | A kind of sealing device of mortar vehicle agitating shaft shaft end |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108036044A (en) * | 2018-01-05 | 2018-05-15 | 合肥神马科技集团有限公司 | A kind of babinet labyrinth seal anti-oil leakage device |
CN108131387A (en) * | 2018-02-07 | 2018-06-08 | 徐工集团凯宫重工南京有限公司 | A kind of compound seal shield machine slip casting bearing packet |
CN109027235A (en) * | 2018-10-24 | 2018-12-18 | 江苏西玛环境科技有限公司 | A kind of flying dust agitator shaft end combined seal |
CN109237026A (en) * | 2018-11-08 | 2019-01-18 | 周琦人 | Air compressor shaft end reduced pressure sealing structure |
CN109386595A (en) * | 2018-12-20 | 2019-02-26 | 厦门联帮匠心机械设备有限公司 | Upper gear box output end sealing lubrication structure |
CN109630661A (en) * | 2018-12-28 | 2019-04-16 | 南京高速齿轮制造有限公司 | The wind pitch gear box of sealing structure with filtering function |
CN110513480A (en) * | 2019-09-10 | 2019-11-29 | 江苏神农灭菌设备股份有限公司 | A kind of clinical waste crushes the main shaft sealing construction in sterilizing cabinet |
CN111396566A (en) * | 2020-04-24 | 2020-07-10 | 湖南三一快而居住宅工业有限公司 | Shaft end sealing structure and material distributor |
CN111594618A (en) * | 2020-05-15 | 2020-08-28 | 上海隧道工程有限公司 | Slurry-air balance shield stirrer sealing structure |
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2017
- 2017-03-17 CN CN201720259364.0U patent/CN206617584U/en not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108036044A (en) * | 2018-01-05 | 2018-05-15 | 合肥神马科技集团有限公司 | A kind of babinet labyrinth seal anti-oil leakage device |
CN108036044B (en) * | 2018-01-05 | 2024-03-19 | 合肥神马科技集团有限公司 | Box labyrinth seal leak protection oil device |
CN108131387A (en) * | 2018-02-07 | 2018-06-08 | 徐工集团凯宫重工南京有限公司 | A kind of compound seal shield machine slip casting bearing packet |
CN109027235A (en) * | 2018-10-24 | 2018-12-18 | 江苏西玛环境科技有限公司 | A kind of flying dust agitator shaft end combined seal |
CN109027235B (en) * | 2018-10-24 | 2023-07-25 | 江苏西玛环境科技有限公司 | Shaft end composite oil seal of fly ash stirrer |
CN109237026A (en) * | 2018-11-08 | 2019-01-18 | 周琦人 | Air compressor shaft end reduced pressure sealing structure |
CN109386595A (en) * | 2018-12-20 | 2019-02-26 | 厦门联帮匠心机械设备有限公司 | Upper gear box output end sealing lubrication structure |
CN109386595B (en) * | 2018-12-20 | 2024-04-05 | 厦门联帮匠心机械设备有限公司 | Sealing and lubricating structure for output end of upper transmission case |
CN109630661A (en) * | 2018-12-28 | 2019-04-16 | 南京高速齿轮制造有限公司 | The wind pitch gear box of sealing structure with filtering function |
CN110513480A (en) * | 2019-09-10 | 2019-11-29 | 江苏神农灭菌设备股份有限公司 | A kind of clinical waste crushes the main shaft sealing construction in sterilizing cabinet |
CN111396566A (en) * | 2020-04-24 | 2020-07-10 | 湖南三一快而居住宅工业有限公司 | Shaft end sealing structure and material distributor |
CN111594618A (en) * | 2020-05-15 | 2020-08-28 | 上海隧道工程有限公司 | Slurry-air balance shield stirrer sealing structure |
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