CN204482341U - Blade of farm machine fixed mount - Google Patents
Blade of farm machine fixed mount Download PDFInfo
- Publication number
- CN204482341U CN204482341U CN201420730900.7U CN201420730900U CN204482341U CN 204482341 U CN204482341 U CN 204482341U CN 201420730900 U CN201420730900 U CN 201420730900U CN 204482341 U CN204482341 U CN 204482341U
- Authority
- CN
- China
- Prior art keywords
- blade
- rolling disc
- backstays
- fixed mount
- thread segment
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/73—Cutting apparatus
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The utility model discloses the installation fastening accessory adopted in a kind of agricultural machinery, is specifically related to the blade holder of all kinds of cutting tool in agricultural machinery.Blade of farm machine fixed mount, comprise rolling disc, rolling disc is provided with the butt hole be connected with turning cylinder, rolling disc is circumferentially with one group of blade fixture, blade fixture comprises two locating holes and is inserted in two backstays of two locating holes respectively, a locating hole in two locating holes is that inwall establishes threaded screwed hole, another locating hole be inwall be provided with teeth groove the defect that being threaded in prior art between bolt with rolling disc easily occur to loosen is overcome to jack the utility model, provide a kind of blade of farm machine fixed mount that blade can be avoided to come off from rolling disc.
Description
Technical field
The utility model relates to the installation fastening accessory adopted in a kind of agricultural machinery, is specifically related to the blade holder of all kinds of cutting tool in agricultural machinery.
Background technology
The instrument of various cutting class is had in farm machine, such as grain header, mower etc., its cutting tool general configuration comprises a turning cylinder, connects a rolling disc at turning cylinder end, rolling disc is installed with one group of blade, between blade and rolling disc, adopts the mode that usual bolt is fixing.
But in the operating process of reality, the connection between blade and rolling disc also built on the sand.When each startup or stall, blade can be subject to effect of inertia, the deflection of certain up time or inverse time is produced relative to rolling disc, such blade can drive respective bolt to rotate, although all only have some deflection, Long-Time Service at every turn, being threaded between bolt with rolling disc can be made to occur to loosen, if in blade high-speed rotation, described blade comes off from rolling disc, can cause great injury to operating personnel.
Utility model content
Technical problem to be solved in the utility model provides a kind of blade of farm machine fixed mount that blade can be avoided to come off from rolling disc.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
Blade of farm machine fixed mount, comprise rolling disc, rolling disc is provided with the butt hole be connected with turning cylinder, rolling disc is circumferentially with one group of blade fixture, described blade fixture comprises two locating holes be located on rolling disc and two backstays being inserted in two locating holes respectively, a locating hole in described two locating holes is that inwall establishes threaded screwed hole, another locating hole be inwall be provided with teeth groove to jack, a backstay in described two backstays comprises the bolt head connected successively, first thread segment, smooth section and the second thread segment, wherein the first thread segment and described screwed hole threaded engagement, another backstay in described two backstays comprises the bolt head connected successively, profile of tooth section, smooth section and the second thread segment, wherein profile of tooth section outer mold surface with to profile form fit in jack, described blade fixture also comprises the nut be threaded with described second thread segment, wherein serrate slot refers to the bar-shaped trough that the axis of one group of length direction and screwed hole is consistent, and each bar-shaped trough circumference is distributed on screwed hole inwall, accordingly, described profile of tooth section is circumference distribution one group of bar shaped key on the securing lever.
Adopt the utility model blade of farm machine fixed mount, there is following effect:
Each blade is fixed by blade fixture, and each fixture comprises two locating holes and corresponding backstay; For the fixed form of a blade, first two backstays are worn in corresponding locating hole, require that the first thread segment of one of them backstay and screwed hole are connected, require that the profile of tooth section of another backstay and serrate slot are connected, a side of two backstay bolt heads and rolling disc offsets, and described smooth section and the second thread segment are all in the opposite side of rolling disc;
Blade should be provided with corresponding two through holes, make blade wear above the second thread segment of two backstays, and the height and position of blade is positioned at the smooth section place between rolling disc and the second thread segment;
Then be threaded with the second thread segment with nut, until compress blade.
Because two backstays are not both threaded with the connection of rolling disc, only have one of them to belong to and be threaded, another then belongs to and wears grafting, loosen both direction of motion inconsistent (one is radial rotary one is move axially).And two backstays are together connected with blade; even if blade all standing or suddenly rise in the course of the work; also can not produce the active force of two kinds of different directions to two backstays simultaneously; two backstay actings in conjunction; make blade both cannot relatively rotate disc spins and also cannot produce axial displacement, finally realize the firm connection of blade.
Further, described blade fixture also comprises the plain washer of a strip, described plain washer is located between nut and rolling disc, and described plain washer both ends are provided with the stomidium be inserted in respectively for two backstays, are the sandwiched space of blade between plain washer and rolling disc.
After being provided with strip plain washer, two backstays are not only all connected with rolling disc side, and opposite side is also connected by plain washer, make the synchronism of two backstays stronger, and can avoid blade that radial load is directly passed to nut.
Further, the smooth section height of two backstays is consistent.
Before the plain washer setting up strip, the height of nut of two backstays can be inconsistent, specifically depending on the shape that blade is concrete, as long as nut energy clamping blade.After having set up plain washer, if the height of described nut is inconsistent, and plain washer has been located between blade and nut, during such tightening nut, likely can bend plain washer, and bolt head is resisted against rolling disc side, and the height of described smooth section plays restriction effect to height of nut just.
Further, the spacing between two locating holes is between 1/1 to three/6th of blade lengths.
Due in the course of work, blade cuts vegetation or other article, in cutting process, resistance conducts to locating hole by the blade of blade.Based on lever principle, locating hole should be expanded as far as possible on blade, occupy length, but the distance of blade expenditure rolling disc (for contact with vegetation) can not be affected again, so be advisable between experience selection 1/1 to three/6th.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model blade of farm machine fixed mount embodiment.
Fig. 2 is the structure enlarged diagram that in Fig. 1, backstay is connected with rolling disc.
Fig. 3 is the structure enlarged diagram of the first thread segment in Fig. 2.
Fig. 4 is the structure enlarged diagram of profile of tooth section in Fig. 2.
Embodiment
Below by embodiment, the utility model is described in further detail:
Reference numeral in Figure of description comprises: blade 1, rolling disc 2, butt hole 3, nut 4, plain washer 5, first backstay 6, first thread segment 61, second backstay 7, profile of tooth section 71, bolt head 9.
As shown in Figure 1, the utility model blade of farm machine fixed mount, blade of farm machine fixed mount, comprise rolling disc 2, rolling disc 2 is provided with the butt hole 3 be connected with turning cylinder, and rolling disc 2 is circumferentially with one group of blade 1 fixture, rolling disc 2 is made up of beryllium-bronze, after the thermal treatment of solution treatment and timeliness, tensile strength can reach 1250 ~ 1500MPa, and dimensional stability is strong.
As shown in Figure 2, described blade 1 fixture comprises two locating holes be located on rolling disc 2 and two backstays being inserted in two locating holes respectively, and the spacing between described two locating holes is 1/3rd (also can be 1/6th or 1/4th) of blade 1 length.
As Fig. 3, shown in 4, a locating hole in described two locating holes is that inwall establishes threaded screwed hole, another locating hole be inwall be provided with teeth groove to jack, a backstay in described two backstays comprises the bolt head 9 connected successively, first thread segment 61, first backstay 6 of smooth section and the second thread segment, wherein the first thread segment 61 and described screwed hole threaded engagement, another backstay in described two backstays comprises the bolt head 9 connected successively, profile of tooth section 71, second backstay 7 of smooth section and the second thread segment, wherein profile of tooth section 71 outer mold surface with to profile form fit in jack.The smooth section height of two backstays is consistent.
As shown in Figure 1, described blade 1 fixture also comprises the nut 4 be threaded with described second thread segment; Wherein serrate slot refers to the bar-shaped trough that the axis of one group of length direction and screwed hole is consistent, and each bar-shaped trough circumference is distributed on screwed hole inwall; Accordingly, described profile of tooth section 71 is circumference distribution one group of bar shaped key on the securing lever, due to similar gear, so called after profile of tooth section 71.
Described blade 1 fixture also comprises the plain washer 5 of a strip, described plain washer 5 is located between nut 4 and rolling disc 2, described plain washer 5 both ends are provided with the stomidium be inserted in respectively for two backstays, are the sandwiched space of blade 1 between plain washer 5 and rolling disc 2.
Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; as by embodiment two, three the distinguishing characteristics that proposes and embodiment one be combined; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in specification etc. record the content that may be used for explaining claim.
Claims (4)
1. blade of farm machine fixed mount, comprise rolling disc, rolling disc is provided with the butt hole be connected with turning cylinder, rolling disc is circumferentially with one group of blade fixture, it is characterized in that, described blade fixture comprises two locating holes and is inserted in two backstays of two locating holes respectively, a locating hole in described two locating holes is that inwall establishes threaded screwed hole, another locating hole be inwall be provided with teeth groove to jack, a backstay in described two backstays comprises the bolt head connected successively, first thread segment, smooth section and the second thread segment, wherein the first thread segment and described screwed hole threaded engagement, another backstay in described two backstays comprises the bolt head connected successively, profile of tooth section, smooth section and the second thread segment, wherein profile of tooth section outer mold surface with to profile form fit in jack, described blade fixture also comprises the nut be threaded with described second thread segment, wherein serrate slot refers to the bar-shaped trough that the axis of one group of length direction and screwed hole is consistent, and each bar-shaped trough circumference is distributed on screwed hole inwall, accordingly, described profile of tooth section is circumference distribution one group of bar shaped key on the securing lever.
2. blade of farm machine fixed mount as claimed in claim 1, it is characterized in that: described blade fixture also comprises the plain washer of a strip, described plain washer is located between nut and rolling disc, described plain washer both ends are provided with the stomidium be inserted in respectively for two backstays, are the sandwiched space of blade between plain washer and rolling disc.
3. blade of farm machine fixed mount as claimed in claim 2, is characterized in that: the smooth section height of two backstays is consistent.
4. blade of farm machine fixed mount as claimed in claim 1, is characterized in that: the spacing between described two locating holes is between 1/1 to three/6th of blade lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730900.7U CN204482341U (en) | 2014-11-30 | 2014-11-30 | Blade of farm machine fixed mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730900.7U CN204482341U (en) | 2014-11-30 | 2014-11-30 | Blade of farm machine fixed mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204482341U true CN204482341U (en) | 2015-07-22 |
Family
ID=53561660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420730900.7U Expired - Fee Related CN204482341U (en) | 2014-11-30 | 2014-11-30 | Blade of farm machine fixed mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204482341U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104380911A (en) * | 2014-11-30 | 2015-03-04 | 重庆锦冈机械有限公司 | Agricultural machinery blade fixing frame |
| CN108406895A (en) * | 2018-05-15 | 2018-08-17 | 吉林大学 | A kind of bionical circular cutter for cutting crop stem |
-
2014
- 2014-11-30 CN CN201420730900.7U patent/CN204482341U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104380911A (en) * | 2014-11-30 | 2015-03-04 | 重庆锦冈机械有限公司 | Agricultural machinery blade fixing frame |
| CN108406895A (en) * | 2018-05-15 | 2018-08-17 | 吉林大学 | A kind of bionical circular cutter for cutting crop stem |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |