CN206830673U - A kind of rotary tiller shaft sealed bearing - Google Patents
A kind of rotary tiller shaft sealed bearing Download PDFInfo
- Publication number
- CN206830673U CN206830673U CN201720717464.3U CN201720717464U CN206830673U CN 206830673 U CN206830673 U CN 206830673U CN 201720717464 U CN201720717464 U CN 201720717464U CN 206830673 U CN206830673 U CN 206830673U
- Authority
- CN
- China
- Prior art keywords
- bearing
- dust cover
- rotary tiller
- oil
- cylindrical slot
- 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
Landscapes
- Soil Working Implements (AREA)
Abstract
A kind of rotary tiller shaft sealed bearing, including bearing seat, the swivel knife shaft both ends of rotary cultivator are assemblied in bearing, and it is arranged on by bearing in bearing seat, on the outside of the bearing seat fixation is bolted with bearing cap, and inner side is provided with a cylindrical slot for passing through hole with swivel knife shaft, the mica paper consistent with cylindrical slot cross sectional dimensions is outwards lined with successively from bottom in this cylindrical slot, graphite paper composite cushion and rubber washer, simultaneously, one dish-shaped reed is housed in rubber washer surface cushion, and the endless groove in a threaded face is provided with the outside of cylindrical slot, the ring-type groove location is combined with a dust cover, when the dust cover screws in fixed, dust cover is located at the axle journal position of swivel knife shaft, and inner surface is acted against on dish-shaped reed upper surface.The utility model effectively increases the sealing property of bearing, it is more adapted to farmland harsh environments.
Description
Technical field
Rotary cultivator spare and accessory parts technical field is the utility model is related to, specially a kind of rotary cultivator with preferable sealing property
Cutter shaft sealed bearing.
Background technology
In field of agricultural machinery, with advances in technology, species, function and the action effect of rotary cultivator are obtained for significantly
Lifting, but the sealing problem of cutter shaft bearing block, are always the problem for perplexing each manufacturing enterprise, its sealing directly influences
The service life and using effect of rotary tiller shaft.
Rotary cultivator basic structure of the prior art is all using swivel knife shaft assembly as workpiece, and its cutter shaft assembly is logical
Cross drive link and bearing block is rack-mounted, due to the reasons in structure of bearing block and the shadow of severe working environment
Ring so that in the course of work, soil and weeds are easily entered in bearing block, not only produce abrasion, shadow to the cutter shaft of rotary cultivator
The stability of rotary cultivator work is rung, severe patient even twines bearing extremely, it is not worked, this case is on paddy field tillage cultivator
It is especially prominent.Sealed on the inside of cutter shaft bearing block by oil sealing, still suffering from muddy water can be because of the band by rotary blade
Rise and penetrated on the inside of bearing block in bearing clearance, it is this to penetrate into due to occurring to be difficult to be found on the inside of bearing block, but
After multiple operational periods, cutter shaft bearing is just because the corrosive substance corrosion in muddy water and the dried dust of muddy water hinder
And cause frictional force to increase, if can further damage associated components without processing, even result in whole cutter shaft failure.
Utility model content
The technical problem that the utility model solves is to provide a kind of rotary tiller shaft sealed bearing, above-mentioned to solve
The shortcomings that in background technology.
The technical problem that the utility model solves is realized using following technical scheme：
A kind of rotary tiller shaft sealed bearing, including bearing seat, the swivel knife shaft both ends of rotary cultivator are assemblied in bearing
It is interior, and be arranged on by bearing in bearing seat, it is bolted fixation on the outside of the bearing seat with bearing cap, and inner side
A cylindrical slot with swivel knife shaft by hole is provided with, is outwards lined with successively and cylindrical slot cross section from bottom in this cylindrical slot
The consistent mica paper of size, graphite paper composite cushion and rubber washer, meanwhile, one dish is housed in rubber washer surface cushion
Reed, and the endless groove in a threaded face is provided with the outside of cylindrical slot, the ring-type groove location is combined with a dust cover,
When the dust cover screws in fixed, dust cover is located at the axle journal position of swivel knife shaft, and inner surface acts against dish-shaped reed upper table
On face.
In the utility model, be provided with the inside of bearing in the bearing seat two groups be sleeved on swivel knife shaft two
Group oil sealing, in two groups of oil sealings, one group of oil sealing by bearing side be two oil sealing monomer book mouldings, and deviates from bearing side
Oil sealing is one.And above-mentioned oil sealing is outside framework oil seal, oil seal without framework, has spring-loaded oil seal, without spring-loaded oil seal, single lip seal or more
One kind in lip oil sealing.
In the utility model, the graphite paper composite cushion is Multi-layer graphite quires synthesis type, preferably 2 ~ 3 layers of graphite
Quires synthesis type.
In the utility model, the rubber washer is made of oil resistant rubber, and its outer rim is provided with one and post
The consistent annular step of shape groove height.
In the utility model, the dust cover is made up of bearing steel, and is preferably made of GCr15 bearing steels.
Be provided with turn boosting mechanism in the utility model, on the outside of dust cover, power-assisted rotary structure be frictional force lines,
One kind in interior hexagonal screw rod turn slot, outer-hexagonal nut side.
Beneficial effect：The utility model is provided with sealing structure in the both sides of bearing seat, passes through the sealing to both sides
Structure is rationally designed, and coordinates double oil seal structure, the oil sealing in cutter shaft bearing block is tightly covered, further reduces dust
Damage to oil sealing, and using oil sealing elasticity in itself, applies certain pressure and is attached on swivel knife shaft and be unlikely to allow lubricating oil
Spill, be also possible to prevent corrosivity profit corrosion bearing, extend the service life of associated components.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model preferred embodiment.
Fig. 2 is the detail enlarged diagram of the part A in Fig. 1.
Wherein：1st, bearing cap；2nd, connecting bolt；3rd, bearing seat；4th, bearing；5th, the first oil sealing；6th, the second oil sealing；7th, revolve
The machine of ploughing swivel knife shaft；8th, the 3rd oil sealing；9th, dust cover；10th, flank；11st, rubber washer；12nd, dish-shaped reed；13rd, mica paper；
14th, graphite paper composite cushion.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to the preferred embodiment of Fig. 1, Fig. 2 a kind of rotary tiller shaft sealed bearing, in the present embodiment, including axle
Bearing body 3, the structure after the molding assembly of bearing seat 3 is as shown in figure 1, rotary cultivator swivel knife shaft 7 is assemblied in axle through bearing 3
In bearing body 3, bearing seat 3 is set with two groups of oil sealings on swivel knife shaft 7, wherein, the first oil sealing 5, the second oil sealing 6 overlapping are in
First group of oil sealing, and it is second group of oil sealing that the 3rd oil sealing 8 is separately formed, and these oil sealings are single lip seal.
And fixation is attached by connecting bolt 3 in the outside of bearing seat 3 and bearing cap 1, and bearing seat 3 with
Oil sealing space is provided between bearing cap 1.And a cylindrical slot is provided with the inner side of bearing seat 3, rotary cultivator swivel knife shaft 7
Through among cylindrical slot by hole by, and be assemblied in by bearing 4 in bearing seat 3, in cylindrical slot from bottom outwards according to
It is secondary be lined with the mica paper 13 consistent with cylindrical slot cross sectional dimensions, two layers graphite paper book moulding graphite paper composite cushion 14 with
And rubber washer 11 made of oil resistant rubber, meanwhile, one dish-shaped reed 12 is housed in the inner surface pad of rubber washer 11.Separately
Outside, the endless groove in a threaded face is provided with the outside of cylindrical slot, the ring-type groove location is combined with a dust cover 9, should
When dust cover 9 screws in fixed, dust cover 9 is located at the axle journal position of rotary cultivator swivel knife shaft 7, and inner surface acts against disk spring
On the upper surface of piece 12.
Dust cover 9 is made up of GCr15 bearing steels, has enough intensity, and be provided with and rub on the cylinder of its outer surface
Power lines is wiped, by applying torque in frictional force textured region, dust cover 9 can be held out against on dish-shaped reed 12, utilize dish
The pretightning force of reed 12 and the combination of mica paper 13, graphite paper composite cushion 14 and rubber washer 11 seal to realize, coordinate
Multigroup oil enveloping structure can carry out multi-stage protection to bearing 4 and rotary cultivator swivel knife shaft 7, and rotary cultivator can be made to be used even in long-time
Still there is preferable greasy property afterwards.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (7)
1. a kind of rotary tiller shaft sealed bearing, it is characterised in that including bearing seat, the swivel knife shaft both ends of rotary cultivator fill
Fit in bearing, and be arranged on by bearing in bearing seat, is bolted admittedly with bearing cap on the outside of the bearing seat
It is fixed, and inner side is provided with a cylindrical slot with swivel knife shaft by hole, outwards it is lined with successively from bottom in this cylindrical slot and post
The consistent mica paper of shape groove cross sectional dimensions, graphite paper composite cushion and rubber washer, meanwhile, filled in rubber washer surface cushion
There is a dish-shaped reed, and the endless groove in a threaded face is provided with the outside of cylindrical slot, the ring-type groove location is combined with
One dust cover, when the dust cover screws in fixed, dust cover is located at the axle journal position of swivel knife shaft, and inner surface acts against dish
On shape reed upper surface.
2. rotary tiller shaft sealed bearing according to claim 1, it is characterised in that the bearing in the bearing seat
Inner side is provided with two groups of two groups be sleeved on swivel knife shaft oil sealings, and in two groups of oil sealings, one group of oil sealing by bearing side is two
Individual oil sealing monomer book moulding, and the oil sealing away from bearing side is one.
3. rotary tiller shaft sealed bearing according to claim 2, it is characterised in that the oil sealing be outside framework oil seal,
Oil seal without framework, there is spring-loaded oil seal, without one kind in spring-loaded oil seal, single lip seal or multiple lip seal.
4. rotary tiller shaft sealed bearing according to claim 1, it is characterised in that the graphite paper composite cushion is
2 ~ 3 layers of graphite paper book moulding.
5. rotary tiller shaft sealed bearing according to claim 1, it is characterised in that the rubber washer uses oil resistant
Rubber is made, and its outer rim is provided with an annular step highly consistent with cylindrical slot.
6. rotary tiller shaft sealed bearing according to claim 1, it is characterised in that the dust cover is GCr15 axles
Steel is held to be made.
7. rotary tiller shaft sealed bearing according to claim 1, it is characterised in that be provided with turn on the outside of dust cover
Boosting mechanism, and power-assisted rotary structure is one kind in frictional force lines, interior hexagonal screw rod turn slot, outer-hexagonal nut side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720717464.3U CN206830673U (en) | 2017-06-20 | 2017-06-20 | A kind of rotary tiller shaft sealed bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720717464.3U CN206830673U (en) | 2017-06-20 | 2017-06-20 | A kind of rotary tiller shaft sealed bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830673U true CN206830673U (en) | 2018-01-02 |
Family
ID=60777144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720717464.3U Expired - Fee Related CN206830673U (en) | 2017-06-20 | 2017-06-20 | A kind of rotary tiller shaft sealed bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3626039A1 (en) * | 2018-09-19 | 2020-03-25 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Agricultural machine |
| CN113692789A (en) * | 2021-08-31 | 2021-11-26 | 农业农村部南京农业机械化研究所 | Weeder between rice field trunk |
-
2017
- 2017-06-20 CN CN201720717464.3U patent/CN206830673U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3626039A1 (en) * | 2018-09-19 | 2020-03-25 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Agricultural machine |
| CN113692789A (en) * | 2021-08-31 | 2021-11-26 | 农业农村部南京农业机械化研究所 | Weeder between rice field trunk |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206830673U (en) | A kind of rotary tiller shaft sealed bearing | |
| CN102537360B (en) | Assembled half-exposed framework high-pressure seal ring | |
| CN201756918U (en) | Rotation joint of a horizontal directional driller | |
| CN201391553Y (en) | Sealed bearing block | |
| CN207252170U (en) | A kind of rotary cultivator | |
| CN201103685Y (en) | Anti-mud sealing device for rotating shaft | |
| CN207201239U (en) | A kind of rotary tiller shaft associated sealing arrangement for bearings | |
| CN216532482U (en) | Rotary cultivator arbor seal structure | |
| CN206005116U (en) | A kind of electric rotary-tillage machine | |
| CN203604653U (en) | Muddy-water-resistant oil seal with polyurethane ring | |
| CN203428822U (en) | Marine crane and rotary support structure of arm support thereof | |
| CN201106635Y (en) | Improvement of harvester bottom roller | |
| CN205260486U (en) | A wear -resisting piston rod subassembly for pneumatic cylinder | |
| CN201891139U (en) | T-shaped bush on bucket rod | |
| CN201598663U (en) | Movable pulley mechanism on diaphragm grab bucket | |
| CN207470778U (en) | A kind of polytetrafluoroethylene (PTFE) lip-type packing of belt wear ring | |
| CN206860876U (en) | A kind of special cutter shaft bearing block of rotary cultivator | |
| CN2832562Y (en) | Cylinder walking wheel of minitype tillage machine | |
| CN203661595U (en) | Wheel train sealing structure of harvester | |
| CN205978105U (en) | Agricultural machinery wheel hub bearing sealing device for unit | |
| CN207943096U (en) | A kind of sealing device and a kind of crawler type agricultural machinery | |
| CN114576361A (en) | Shaft seal combined oil seal | |
| CN206977952U (en) | A kind of cterpillar drive driving wheel structure | |
| CN207594364U (en) | A kind of nylon ring nested arrangement of nylon self-locking nut | |
| CN215567809U (en) | Gear box for self-propelled bundling 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: 20180102 Termination date: 20200620 |