CN2167515Y - High-position pruning saw - Google Patents
High-position pruning saw Download PDFInfo
- Publication number
- CN2167515Y CN2167515Y CN 92229194 CN92229194U CN2167515Y CN 2167515 Y CN2167515 Y CN 2167515Y CN 92229194 CN92229194 CN 92229194 CN 92229194 U CN92229194 U CN 92229194U CN 2167515 Y CN2167515 Y CN 2167515Y
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- CN
- China
- Prior art keywords
- saw blade
- branches
- saw
- gear
- ratch
- 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
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Abstract
The utility model provides a high-position pruning saw for branches used for pruning branches at high positions under a tree, comprising a manual high-position pruning saw for branches and an electrical high-position pruning saw for branches; the high-position pruning saw for branches is suitable for pruning branches or tree branches with moderate thickness. The manual high-position pruning saw for branches is mainly composed of a rack bar (a draw rod with a gear rack), a gear wheel, a saw blade and a supporting frame; a fastening rod is arranged on the supporting frame which can be put on a corresponding branch for a supporting function and a guiding function; an operator pulls the pull rope of the lower side of the rack bar to change the up and down motion of the rack bar into the circular motion of the gear wheel and the saw blade to achieve the goal that branches are cut; the electrical high-position pruning saw for branches is that a motor and a power supply replace the rack bar and the gear wheel.
Description
The utility model relates to a kind of Gao Zhiju.
In fruit growing and afforestation, often to prune branch, the crotch of eminence.Past is to adopt averruncator to cut to cut.But some thicker branch is not easy to cut off very much, climbs the tree with carpenter's saw or handsaw, and rugosity is not enough again, fractures easily, causes danger.
The utility model purpose provides a kind of Gao Zhiju in order to saw section eminence branch, crotch under tree, and it is mainly used in the branch of pruning medium-coarse, comprises two kinds of manual Gao Zhiju and electronic Gao Zhijus.
The purpose of this utility model is achieved in that
(1) a kind of in order to saw section eminence branch, the Gao Zhiju of crotch, by ratch, gear and freewheel clutch, saw blade and saw blade axis, four parts of bearing support constitute, the saw blade that has saw blade axis is installed on the bearing support, and saw blade axis is connected with gear, gear then with the ratch pull bar of tooth bar (promptly with) on the section of rack engagement, a rope is drawn in the ratch lower end, the operator is to pull it, and ratch moves down, driven gear, drive saw blade by saw blade axis, spring is arranged on the ratch, impel ratch to reset, and then pull down, drive saw blade again, constantly circulation moving up and down of ratch, changes the circular motion of saw blade into, cut off branch, the freewheel clutch of installing on the gear, effect are the counter-rotatings that prevents saw blade axis and saw blade, and also available chain drive replaces the tooth transmission between gear and ratch, the bearing support lower end is porose, and stock can be installed.
(2) a kind of Gao Zhiju that cuts eminence branch, crotch in order to saw, it is made of power supply, electromotor, saw blade and saw blade axis, switch, bearing support five parts, saw blade axis on the saw blade directly is connected with electromotor, and be positioned on the bearing support, the bearing support lower end is porose, and stock can be installed, and extracting power supply cord is to the stock lower end during installation, switch is located at the stock lower end, and power supply can adopt accumulator or dry cell.
(1) or all take bar on the support of (2), can ride against on the adjacent branch when operation, rise and support and guide effect, the operator just needn't difficultly support the weight of Gao Zhiju with hand, and Gao Zhiju itself also is not easy to be subjected to displacement.
The utility model has the advantages that: (1) is compared with averruncator, and it can cut off the thicker crotch branch of diameter, and more laborsaving than averruncator; (2) compare with handsaw with gardening with general Carpenter's saw, it need not climbed to tree and go up the branch that just can amputate on the tree, and is as safe as a house, and easy to use; (3) relatively simple for structure, easy to manufacture, cost is lower, be easy to push away in.
Further specify the utility model below in conjunction with accompanying drawing, in the accompanying drawing: Fig. 1 is the front view of a kind of embodiment of this Gao Zhiju, and Fig. 2 is the end view of Gao Zhiju shown in Figure 1.
As shown in Figure 1, 2, this Gao Zhiju comprises ratch, gear and freewheel clutch, saw blade and saw blade axis and four parts of bearing support, respectively these four parts is described below.
1. gear parts: form by ratch (20), draw ring (25), stay cord (26), spring (23) and spring base (22) etc.Ratch (20) is screwed with draw ring (25) below promptly with the pull bar of tooth bar (28), and the operator moves down ratch (20) to spur the stay cord (26) on the draw ring (25) on the other hand, and by the effect of spring (23), ratch (20) can rise again and reset then.
2. gear and freewheel clutch part are transmission device, tooth bar (28) engagement on gear (6) and the ratch (20), and rotating up and down along with ratch (20).Freewheel clutch (7) is housed on gear (6), and its effect sees below.This part can adopt 28, and " transformation of the way of bicycle freewheel parts forms, and keeps its freewheel clutch part, and changes the outside sprocket part into gear, its modulus m=2.5, number of teeth z=32.Also can adopt chain drive, promptly " minor sprocket on the bicycle freewheel just needn't have been changed (figure slightly) in the last device chain structure of former ratch (20), 28.
3. saw blade and saw blade axis part: form by saw blade (17), saw blade axis (11), sleeve pipe (14), shell parts such as (16).Saw blade (17) can adopt circular saw blade for wood φ 200-φ 250 * 2(endoporus φ 25).Sleeve pipe (14) external diameter φ 25 matches with saw blade (17) endoporus.The saw blade both sides are undertaken fastening by two platens (15), it is in conjunction with should adding asbestos rubber pad (figure part omitted) outward, and wherein left platen and saw blade axis (11) they are loose fit, right platen car internal thread M, and 24 * 1.5, screw with saw blade axis (11) and to compress.Steel bowl (13), steel ball (8) rolling bearing are adopted in saw blade axis (11) two ends.Steel bowl (13) adopts interference fit, is pressed together in sleeve pipe (14) and the right casing (16), and right casing (16) adds plain cushion (10) with sleeve pipe (14) employing screw thread (9) and is connected stubborn leaning on.Be added with dust cap (19) between steel bowl and silk retaining.
Left behind when moving when ratch (20), gear (6) is done and is clockwise rotated, and drives saw blade axis (11) by freewheel clutch (7) and rotates, and saw blade (17) rotates thereupon; When ratch (20) rises down when resetting in spring (23) effect, gear (6) is done and is rotated counterclockwise, but owing to the effect of freewheel clutch (7), saw blade axis (11) and saw blade (17) do not reverse thereupon.
4. bearing support part: mainly comprise support (1), pole (5) and take bar parts such as (18).Main support (1) can adopt grey cast-iron to make, supporting saw blade axis (11) and ratch parts such as (20).On the saw blade axis (11), adjust the bearing clearance by silk retaining (12), the adjusting play is controlled between the 0.5-1.0 millimeter, and two supports adds plain cushion (10) with nut (9) and tightens then.Ratch (20) plays guiding and tightening copper sheathing (21) effect with copper sheathing (21) supporting, tightening guider screw (24).Pole (5) is played the aiding support effect, a termination saw blade axis (11), and another termination main support (1), it is fastening all to add plain cushion (4) with hex bolts (2) and hex nut (3).There are a φ 25 holes support (1) lower end, can connect stock (27), available rod of stock (27) or bamboo bar, and length is decided according to actual conditions.Support left side installs that a band steel makes takes bar (18), take when using and be placed on the association tree branch for Gao Zhiju, its effect one is to play the guiding role when sending in saw blade (17) work, the 2nd, the weight of Gao Zhiju is supported on the branch, the operator just need not lift Gao Zhiju work with a hand again.
More than be the embodiment of manual Gao Zhiju.Also can adopt electronic Gao Zhiju design, at this moment, only need ratch (20) part, gear (6) and freewheel clutch parts such as (7) change a miniature motor into, and power supply, and extracting power supply cord is located at stock (27) lower end with switch and gets final product (figure slightly) again.
Be operation and the working condition of example with manual Gao Zhiju below, intactly be described as follows Gao Zhiju:
The stock (27) of the hand-held Gao Zhiju of operator, under tree to be pruned, take and be placed on relevant branch and stick taking bar (18), saw blade (17) vertically is against on the branch of preparing to amputate or crotch, pull moving stay cord (26) with one, ratch (20) is moved down, driven gear (6), gear (6) rotates, drive saw blade axis (11) and saw blade (17) by freewheel clutch (7), make it to rotate, then to clockwise direction, hold the openhanded of stay cord (26), under the effect of spring (23), ratch (20) rises and resets, and driven gear (6) is to counterclockwise rotating, because the effect of freewheel clutch (7), saw blade axis (11) and saw blade (17) do not reverse with gear (6).After ratch (20) resets, finish motion cycle one time.Then, can affect stay cord to do the second time, continuous circulation for the third time again, up to branch or crotch is sawed-off.
Claims (5)
1, a kind of Gao Zhiju that cuts eminence branch, crotch in order to saw, it is characterized in that it comprises ratch, gear and freewheel clutch, saw blade and saw blade axis, four parts of bearing support, freewheel clutch is positioned on the gear, rack and pinion on the ratch is meshed, and gear is connected with saw blade axis on the saw blade, be positioned on the bearing support, the bearing support lower end is porose.
2, Gao Zhiju according to claim 1 is characterized in that ratch top is equipped with spring.
3, Gao Zhiju according to claim 1 is characterized in that the tooth transmission between gear and ratch, replaces with chain drive.
4, a kind of Gao Zhiju that cuts eminence branch, crotch in order to saw, it is characterized in that it comprises power supply, electromotor, saw blade and saw blade axis, switch, bearing support five parts, saw blade axis on the saw blade directly is connected with electromotor, and be positioned on the bearing support, and the bearing support lower end is porose.
5,, it is characterized in that bearing support one side installs one and take bar according to claim 1 or 4 described Gao Zhijus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92229194 CN2167515Y (en) | 1992-05-30 | 1992-05-30 | High-position pruning saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92229194 CN2167515Y (en) | 1992-05-30 | 1992-05-30 | High-position pruning saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2167515Y true CN2167515Y (en) | 1994-06-08 |
Family
ID=33772644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92229194 Expired - Fee Related CN2167515Y (en) | 1992-05-30 | 1992-05-30 | High-position pruning saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2167515Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489561A (en) * | 2016-12-01 | 2017-03-15 | 北京星河园林景观工程有限公司 | A kind of coupling type high branches trimming device |
| CN106993471A (en) * | 2017-03-22 | 2017-08-01 | 成都聚智工业设计有限公司 | Averruncator |
-
1992
- 1992-05-30 CN CN 92229194 patent/CN2167515Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106489561A (en) * | 2016-12-01 | 2017-03-15 | 北京星河园林景观工程有限公司 | A kind of coupling type high branches trimming device |
| CN106993471A (en) * | 2017-03-22 | 2017-08-01 | 成都聚智工业设计有限公司 | Averruncator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |