CN208258325U - A kind of rotary tiller shaft bearing jointing structure - Google Patents
A kind of rotary tiller shaft bearing jointing structure Download PDFInfo
- Publication number
- CN208258325U CN208258325U CN201820882440.8U CN201820882440U CN208258325U CN 208258325 U CN208258325 U CN 208258325U CN 201820882440 U CN201820882440 U CN 201820882440U CN 208258325 U CN208258325 U CN 208258325U
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- China
- Prior art keywords
- cutter shaft
- connecting column
- tool apron
- bar shaped
- bearing
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- 230000001681 protective effect Effects 0.000 claims description 12
- 238000003971 tillage Methods 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
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Abstract
The utility model discloses a kind of rotary tiller shaft bearing jointing structures, including cutter shaft, driving box, connecting column and bearing, the driving box connect with the cutter shaft by shaft and passes through the first bolt fastening, tool apron is uniformly provided on the cutter shaft, rotary blade is fastened with by the cooperation of the second bolts and nuts on the tool apron, the inner ring of one end of the connecting column and the bearing welds, mounting groove, clearance fit between the other end of the connecting column and the mounting groove are equipped with inside the both ends of the cutter shaft.The utility model greatly improves the stability connected between connecting column and cutter shaft, stable support can be provided for cutter shaft long-time high speed rotation, security performance is high, rotary blade is connected firmly with tool apron simultaneously, it is able to extend the service life of rotary blade, and weeds is effectively prevent to enter at the gap between connecting column and cutter shaft and Bearing inner, extend the service life of housing construction.
Description
Technical field
The utility model relates to rotary cultivator technical field, specially a kind of rotary tiller shaft bearing jointing structure.
Background technique
Rotary cultivator is the cultivation machinery for completing to plough, harrow operation with tractor.Because it is strong with hack ability, ploughs rear ground
The features such as table is flat, and be widely used.It can shred simultaneously and be embedded in earth's surface root stubble below, make convenient for seeder
Industry provides good kind of bed for later period sowing.The whirler of existing intermediate transmission structure type, centre setting transmission case, rotary tillage
Bearing is arranged in machine knife axis both ends, and transmission case drives rotary tiller shaft rotation to carry out farming, rotary cultivator under the action of bearings at both ends
Cutter shaft assembly includes cutter shaft and rotary blade, and cutter shaft includes axis body and the tool apron that axis body circumferential outer surface is arranged in, rotary blade installation
On the tool apron of cutter shaft.Existing rotary tiller shaft in use, rotates, knife to guarantee that cutter shaft is stablized at a high speed for a long time
The stability connected between axis and bearing is even more important.The connective stability of cutter shaft and bearing is poor in existing rotary cultivator, cutter shaft
The phenomenon that easily falling off during rotation, security performance is low, influences working efficiency.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of rotary tiller shaft bearing jointing structure, solves
The phenomenon that connective stability of cutter shaft and bearing is poor in rotary cultivator, and cutter shaft easily falls off during rotating, security performance is low,
The problem of influencing working efficiency.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of rotary tiller shaft bearing jointing structure,
Including cutter shaft, driving box, connecting column and bearing, the driving box is connect by shaft with the cutter shaft and to pass through the first bolt tight
Gu being uniformly provided with tool apron on the cutter shaft, rotary blade, the company are fastened with by the cooperation of the second bolts and nuts on the tool apron
The inner ring of one end and the bearing for connecing column welds, and is equipped with mounting groove inside the both ends of the cutter shaft, the connecting column it is another
Clearance fit between one end and the mounting groove, the surface of the connecting column are respectively equipped with multiple first bar shaped card columns and multiple
Two bar shaped card columns, multiple first bar shaped card columns and multiple second bar shaped card columns are axial consistent with the connecting column,
Multiple first bar shaped card columns and multiple second bar shaped card columns correspond to the connecting column surface uniformly and are arranged alternately, institute
It states cutter shaft and corresponds to the inner wall surface of the mounting groove and be respectively equipped with and the first bar shaped card column and the second bar shaped card column are sliding
The first strip-shaped clamp groove and the second strip-shaped clamp groove of dynamic cooperation, the cutter shaft are equipped with the first spiral shell being correspondingly arranged with the mounting groove
Pit, the connecting column are equipped with the second threaded hole connecting with first threaded hole through third bolt thread, the bearing
It is equipped with the protective case with cutter shaft outer surface clearance fit.
Further, the tool apron is ring-type, and the inside of the tool apron is equipped with U-shaped solid with rotary blade clamping setting
Determine slot, multiple positioning through hole are circumferentially uniformly provided on the tool apron, the rotary blade is equipped with set corresponding with the positioning through hole
The mounting hole set, positioning through hole and the mounting hole described in second bolt-through and by the nut by the rotary tillage
Knife is anchored on the tool apron.
Further, washer is socketed on second bolt.
Further, the section of the rotary blade is arc-shaped section, and direction is opposite between two adjacent rotary blades.
Further, the cutter shaft is equipped with the axle sleeve with protective case outer surface clearance fit.
(3) beneficial effect
The utility model provides a kind of rotary tiller shaft bearing jointing structure, have it is following the utility model has the advantages that
(1), the rotary tiller shaft bearing jointing structure passes through setting and axis by the way that mounting groove is arranged at the both ends of cutter shaft
The connecting column of inner ring welding is held, mounting groove and connecting column gap setting facilitate the installation and removal of cutter shaft, by connecting column
Multiple first bar shaped card columns and multiple second bar shaped card columns are set, are respectively equipped with and the in the inner wall surface that cutter shaft corresponds to mounting groove
The first strip-shaped clamp groove and the second strip-shaped clamp groove that one bar shaped card column and the second bar shaped card column match, play the role of the same of reinforcing rib
When, the stability connected between connecting column and cutter shaft is greatly improved, the first screw thread on cutter shaft is cooperated by third bolt
The second threaded hole on hole and connecting column realizes that the fastening of cutter shaft and connecting column is installed, and can mention for cutter shaft long-time high speed rotation
It is supported for stablizing, security performance is high.
(2), the rotary tiller shaft bearing jointing structure effectively prevent weeds to enter by the way that protective case is arranged on bearing
At gap between connecting column and cutter shaft and Bearing inner, the service life of connection structure is extended, by setting on cutter shaft
The axle sleeve with protective case outer surface clearance fit is set, the protective between cutter shaft and connecting column is further improved.
(3), rotary tiller shaft bearing jointing structure, by tool apron, U-shaped fixing groove, the second bolt, nut, positioning
Through-hole, rotary blade and mounting hole are equipped with, and by the way that rotary blade to be connected in the inside of U-shaped fixing groove, pass through the second bolt
Rotary blade is anchored on tool apron with nut, good fixing effect, stability is high, long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of driving box and cutter shaft in the utility model；
Fig. 3 is the cross-sectional view of cutter shaft in the utility model；
Fig. 4 is the structural schematic diagram of connecting column in the utility model；
Fig. 5 is the connection explosive view of rotary blade and tool apron in the utility model.
In figure: 1, cutter shaft；2, driving box；3, connecting column；4, bearing；5, shaft；6, the first bolt；7, tool apron；701, U-shaped
Fixing groove；702, positioning through hole；8, rotary blade；801, mounting hole；9, mounting groove；10, the first bar shaped card column；11, the second bar shaped
Card column；12, the first strip-shaped clamp groove；13, the second strip-shaped clamp groove；14, the first threaded hole；15, third bolt；16, the second threaded hole；
17, protective case；18, axle sleeve；19, the second bolt；20, nut；21, washer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-5, the utility model provides a kind of technical solution: a kind of rotary tiller shaft bearing jointing structure, packet
Cutter shaft 1, driving box 2, connecting column 3 and bearing 4 are included, the driving box 2 is connect with the cutter shaft 1 by shaft 5 and by first
Bolt 6 fastens, and tool apron 7 is uniformly provided on the cutter shaft 1, is fastened on the tool apron 7 by the second bolt 19 and the cooperation of nut 20
There is rotary blade 8, one end of the connecting column 3 and the inner ring of the bearing 4 weld, and are equipped with peace inside the both ends of the cutter shaft 1
Tankage 9, clearance fit between the other end and the mounting groove 9 of the connecting column 3, the surface of the connecting column 3 is respectively equipped with
Multiple first bar shaped card columns 10 and multiple second bar shaped card columns 11, multiple first bar shaped card columns 10 and multiple Article 2
Axial consistent, multiple first bar shaped card columns 10 and the multiple second bar shaped card columns of shape card column 11 and the connecting column 3
11 corresponding 3 surfaces of connecting column are uniform and are arranged alternately, and the inner wall surface of the corresponding mounting groove 9 of the cutter shaft 1 is set respectively
There are the first strip-shaped clamp groove 12 and the second bar shaped being slidably matched with the first bar shaped card column 10 and the second bar shaped card column 11
Card slot 13, the cutter shaft 1 are equipped with the first threaded hole 14 for being correspondingly arranged with the mounting groove 9, the connecting column 3 be equipped with
The second threaded hole 16 that first threaded hole 14 is threadedly coupled through third bolt 15, the bearing 4 are equipped with and the cutter shaft 1
The protective case 17 of outer surface clearance fit.
Specifically, the tool apron 7 is ring-type, and the inside of the tool apron 7 is equipped with the U with the rotary blade 8 clamping setting
Type fixing groove 701, is circumferentially uniformly provided with multiple positioning through hole 702 on the tool apron 7, the rotary blade 8 be equipped with it is described fixed
The mounting hole 801 that position through-hole is correspondingly arranged, second bolt 19 run through the positioning through hole 702 and the mounting hole 801
And the rotary blade 8 is anchored on the tool apron 7 by the nut 20；Washer 21 is socketed on second bolt 19；
The section of the rotary blade 8 is arc-shaped section, and direction is opposite between two adjacent rotary blades 8；The cutter shaft 1 be equipped with
The axle sleeve 18 of the 17 outer surface clearance fit of protective case.
When concrete application, by the way that mounting groove 9 is arranged at the both ends of cutter shaft 1, by the way that the connection with the welding of 4 inner ring of bearing is arranged
Column 3, mounting groove 9 and 3 gap setting of connecting column facilitate the installation and removal of cutter shaft 1, by the way that multiple first are arranged on connecting column 3
Bar shaped card column 10 and multiple second bar shaped card columns 11 are respectively equipped with and the first bar shaped in the inner wall surface of the corresponding mounting groove 9 of cutter shaft 1
The first strip-shaped clamp groove 12 and the second strip-shaped clamp groove 13 that card column 10 and the second bar shaped card column 11 match, play the role of reinforcing rib
Meanwhile the stability connected between connecting column 3 and cutter shaft 1 is greatly improved, the on cutter shaft 1 is cooperated by third bolt 15
The second threaded hole 16 on one threaded hole 14 and connecting column 3 realizes that the fastening of cutter shaft 1 and connecting column 3 is installed, can be long for cutter shaft 1
Time high speed rotation, which provides, stablizes support, and security performance is high；By on bearing 4 be arranged protective case 17, effectively prevent weeds into
Enter the service life that connection structure is extended at the gap between connecting column 3 and cutter shaft 1 and inside bearing 4, by cutter shaft
Axle sleeve 18 with 17 outer surface clearance fit of protective case is set on 1, further improves the protection between cutter shaft 1 and connecting column 3
Property；By in tool apron 7, U-shaped fixing groove 701, the second bolt 19, nut 20, positioning through hole 702, rotary blade 8 and mounting hole 801
Be equipped with, by the way that rotary blade 8 to be connected in the inside of U-shaped fixing groove 701, by the second bolt 19 and nut 20 by rotary tillage
Knife 8 is anchored on tool apron 7, is connected firmly, and stability is high, long service life.
It can to sum up obtain, the utility model greatly improves the stability connected between connecting column 3 and cutter shaft 1, Neng Gouwei
1 long-time high speed rotation of cutter shaft, which provides, stablizes support, and security performance is high, while rotary blade 8 is connected firmly with tool apron 7, Neng Gouyan
The service life of long rotary blade 8, and weeds is effectively prevent to enter at the gap between connecting column 3 and cutter shaft 1 and in bearing 4
Portion extends service life.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof, it should be noted that this article
The electric elements of middle appearance are electrically connected with extraneous main controller and 220V alternating current, and main controller can play control for computer etc.
The conventionally known equipment of system.
Claims (5)
1. a kind of rotary tiller shaft bearing jointing structure, which is characterized in that including cutter shaft (1), driving box (2), connecting column (3) and
Bearing (4), the driving box (2) are connect with the cutter shaft (1) and are fastened by the first bolt (6), the knife by shaft (5)
It is uniformly provided on axis (1) tool apron (7), rotary tillage is fastened with by the second bolt (19) and nut (20) cooperation on the tool apron (7)
Knife (8), one end of the connecting column (3) and the inner ring of the bearing (4) weld, and are equipped with inside the both ends of the cutter shaft (1)
Mounting groove (9), clearance fit between the other end and the mounting groove (9) of the connecting column (3), the table of the connecting column (3)
Face is respectively equipped with multiple first bar shaped card columns (10) and multiple second bar shaped card columns (11), multiple first bar shaped card columns (10)
With axial consistent, multiple first bar shaped card columns (10) of multiple second bar shaped card columns (11) and the connecting column (3)
Connecting column (3) surface is corresponded to uniformly with multiple second bar shaped card columns (11) and is arranged alternately, and the cutter shaft (1) is corresponding
The inner wall surface of the mounting groove (9) is respectively equipped with sliding with the first bar shaped card column (10) and the second bar shaped card column (11)
The first strip-shaped clamp groove (12) and the second strip-shaped clamp groove (13) of dynamic cooperation, the cutter shaft (1) are equipped with right with the mounting groove (9)
The first threaded hole (14) that should be arranged, the connecting column (3) are equipped with first threaded hole (14) through third bolt (15)
The second threaded hole (16) being threadedly coupled, the bearing (4) are equipped with the protective case with the cutter shaft (1) outer surface clearance fit
(17)。
2. a kind of rotary tiller shaft bearing jointing structure according to claim 1, it is characterised in that: the tool apron (7) is
Ring-type, the inside of the tool apron (7) are equipped with the U-shaped fixing groove (701) with the rotary blade (8) clamping setting, the tool apron (7)
Upper circumferential direction is uniformly provided with multiple positioning through hole (702), and the rotary blade (8) is equipped with the peace being correspondingly arranged with the positioning through hole
It fills hole (801), second bolt (19) is through the positioning through hole (702) and the mounting hole (801) and by described
The rotary blade (8) is anchored on the tool apron (7) by nut (20).
3. a kind of rotary tiller shaft bearing jointing structure according to claim 2, it is characterised in that: second bolt
(19) washer (21) are socketed on.
4. a kind of rotary tiller shaft bearing jointing structure according to claim 1, it is characterised in that: the rotary blade (8)
Section be arc-shaped section, towards opposite between two adjacent rotary blades (8).
5. a kind of rotary tiller shaft bearing jointing structure according to claim 1, it is characterised in that: on the cutter shaft (1)
Equipped with the axle sleeve (18) with the protective case (17) outer surface clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882440.8U CN208258325U (en) | 2018-06-08 | 2018-06-08 | A kind of rotary tiller shaft bearing jointing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820882440.8U CN208258325U (en) | 2018-06-08 | 2018-06-08 | A kind of rotary tiller shaft bearing jointing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208258325U true CN208258325U (en) | 2018-12-21 |
Family
ID=64689793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820882440.8U Expired - Fee Related CN208258325U (en) | 2018-06-08 | 2018-06-08 | A kind of rotary tiller shaft bearing jointing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208258325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288631A (en) * | 2021-06-23 | 2021-08-24 | 岳爽 | Medical cardiovascular internal medicine nursing stands up auxiliary stand |
-
2018
- 2018-06-08 CN CN201820882440.8U patent/CN208258325U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288631A (en) * | 2021-06-23 | 2021-08-24 | 岳爽 | Medical cardiovascular internal medicine nursing stands up auxiliary stand |
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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: 20181221 |