CN203851525U - Height-adjustable cam type pruning shear - Google Patents
Height-adjustable cam type pruning shear Download PDFInfo
- Publication number
- CN203851525U CN203851525U CN201420248863.6U CN201420248863U CN203851525U CN 203851525 U CN203851525 U CN 203851525U CN 201420248863 U CN201420248863 U CN 201420248863U CN 203851525 U CN203851525 U CN 203851525U
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- fixed
- arm
- support arm
- cam
- crescent
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Abstract
The utility model relates to a shear for forests, in particular to a height-adjustable cam type pruning shear. The height-adjustable cam type pruning shear comprises a crescent shear, the tail of one of blades of the crescent shear is fixed at one end of a support cross arm, the other end of the support cross arm is fixed at the top of a telescopic long support arm, and the support cross arm and the telescopic long support arm form an included angle. The telescopic long support arm further comprises an upper support arm, a lower support arm and a connecting arm, and the bottoms and/or the side walls of the upper support arm, the lower support arm and the connecting arm are provided with elongated through holes allowing fastening bolts to penetrate. A cam type pulling mechanism is arranged on the lower support arm and pulls a rope to drive the blades under the action of external force, so that blade portions of the crescent shear are meshed. The height-adjustable cam type pruning shear adopting the structure has the advantages that labor intensity is reduced and safety is improved.
Description
Technical field
The utility model relates to forest scissors, especially a kind of wheeled sanction secateurs of height adjustable convex that can reduce labour intensity and raising safety.
Background technology
The commodity trees of prior art [referring generally to fruit-bearing forest] all need unnecessary branch to prune away in process of growth, to guarantee that commodity trees regulate the reasonable distribution of nutriment, suppress excessive growth, promote flower bud differentiation, reach treelet early flowering result, full-bloom stage, the full bearing period can be extended again, also veteran rejuvenation can be made.The winter pruning method of commodity trees is mainly divided into three kinds, may be summarized to be and cuts, dredges, removes tiller, the i.e. usually said sanction branch of people.
The sanction branch instrument of prior art generally comprises cuts out secateurs and cutting saw, and the sanction secateurs of prior art generally adopts crescent-moon scissors, and during use, workman in the face of commodity trees lower position carries out directly cutting out branch with standing in; Commodity trees higher position workman adopts aid [this aid is generally stool or stair] or the upper commodity trees of climbing to cut out branch to it, workman ceaselessly moves commodity trees in aid or climbing at a sanction branch process need, cause labour intensity large, the center of gravity of workman on aid or commodity trees is difficult to grasp, be easy to throw from aid or commodity trees, danger coefficient is high.
In sum, the crescent-moon scissors of prior art causes that workman's labour intensity is large and safety coefficient is low.
Summary of the invention
The purpose of this utility model is to provide a kind of wheeled sanction secateurs of height adjustable convex that can reduce labour intensity and raising safety.
The technical scheme adopting is for achieving the above object such, it is the wheeled sanction secateurs of a kind of height adjustable convex, comprise crescent-moon scissors, this crescent-moon scissors is comprised of two blades, bolt and back-moving springs, described bolt is fixed as one these two blades at the middle part of two blades, and the two ends of back-moving spring are separately fixed at the rear portion of two blades; Wherein:
The afterbody of a blade of described crescent-moon scissors is fixed on one end of supporting transverse arm, and the other end of this support transverse arm is fixed on the long-armed top of telescopic support, between support transverse arm and telescopic support are long-armed, is formed with an angle;
Long-armed upper support arm and the lower support arm of comprising again of described telescopic support is provided with linking arm between upper support arm and lower support arm, and described upper support arm, lower support arm and linking arm are channel-section steel; Bottom and/or sidewall at upper support arm, lower support arm and linking arm are provided with the strip through-hole passing for fastening bolt; Described upper support arm and lower support arm are fixed as one by the fastening bolt through strip through-hole after inserting linking arm;
On described lower support arm, be provided with cam-type pulling mechanism, this cam-type pulling mechanism is near the bottom of lower support arm, described cam-type pulling mechanism comprises again and is fixed on the bearing of telescopic support on long-armed, rotating shaft through bearing, one end of this rotating shaft is fixed with cam, a termination of stay cord is fixed on cam, and this cam is under external force with rotating shaft unitary rotation; Another termination of described stay cord is walked around and is fixed on the afterbody that is fixed on another piece blade of crescent-moon scissors after the angle pulley supporting on transverse arm, and stay cord pulls this blade to make the blade part interlock of crescent-moon scissors under external force; On described cam, be fixed with handle;
During use, workman holds handle rotating cam, and cam pulls stay cord to realize the blade part interlock beta pruning of crescent-moon scissors, and when workman decontrols after handle, back-moving spring resets the blade of crescent-moon scissors, and the blade of reset pulls stay cord band moving cam to reset.
The utility model is due to said structure, and its advantage is: workman stands in ground can carry out beta pruning to the commodity trees of higher position, has improved safety when reducing labour intensity.
Accompanying drawing explanation
The non-limiting embodiment that the utility model can provide by accompanying drawing further illustrates.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model cam-type pulling mechanism;
Fig. 3 is the structural representation of the utility model angle pulley;
Fig. 4 is the structural representation of the directed pulley of the utility model;
In figure: 1, crescent-moon scissors; 2, blade; 3, bolt; 4, back-moving spring; 5, support transverse arm; 6, support long-armed; 7, bearing; 8, rotating shaft; 9, cam; 10, stay cord; 11, angle pulley; 12, handle; 13, directed pulley; 14, hold wire casing I; 15, hold wire casing II; 16, supporting seat; 17, connecting bolt; 18, bearing block; 19, strip through-hole; 20, upper support arm; 21, lower support arm; 22, linking arm; 23, fastening bolt.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Referring to accompanying drawing 1,2,3 and 4, the wheeled sanction secateurs of height adjustable convex in figure, comprise crescent-moon scissors 1, this crescent-moon scissors 1 is comprised of two blades 2, bolt 3 and back-moving spring 4, described bolt 3 is fixed as one these two blades 2 at the middle part of two blades 2, and the two ends of back-moving spring 4 are separately fixed at the rear portion of two blades 2; Wherein:
The afterbody of a blade 2 of described crescent-moon scissors 1 is fixed on one end of supporting transverse arm 5, and the other end of this support transverse arm 5 is fixed on the top of telescopic support long-armed 6, supports between transverse arm 5 and telescopic support long-armed 6 and is formed with an angle;
Described telescopic support long-armed 6 comprises again upper support arm 20 and lower support arm 21, between upper support arm 20 and lower support arm 21, is provided with linking arm 22, and described upper support arm 20, lower support arm 21 and linking arm 22 are channel-section steel; Bottom and/or sidewall at upper support arm 20, lower support arm 21 and linking arm 22 are provided with the strip through-hole 19 passing for fastening bolt 23; After inserting linking arm 22, described upper support arm 20 and lower support arm 21 be fixed as one by the fastening bolt 23 through strip through-hole 19;
On described lower support arm 21, be provided with cam-type pulling mechanism, this cam-type pulling mechanism is near the bottom of lower support arm 21, described cam-type pulling mechanism comprises again the bearing 7 being fixed in telescopic support long-armed 6, rotating shaft 8 through bearing 7, one end of this rotating shaft 8 is fixed with cam 9, a termination of stay cord 10 is fixed on cam 9, and this cam 9 is under external force with rotating shaft 8 unitary rotation; Another termination of described stay cord 10 is walked around and is fixed on the afterbody that is fixed on another piece blade 2 of crescent-moon scissors 1 after the angle pulley 11 supporting on transverse arm 5, and stay cord 10 pulls this blade 2 to make the blade part interlock of crescent-moon scissors 1 under external force; On described cam 9, be fixed with handle 12;
During use, workman holds handle 12 rotating cams 9, and cam 9 pulls stay cord 10 to realize the blade part interlock beta pruning of crescent-moon scissors 1, when workman decontrols after handle 12, back-moving spring 4 resets the blade 2 of crescent-moon scissors 1, and the blade 2 of reset pulls stay cord 10 band moving cams 9 to reset.
For ease of the directed transmission of stay cord 12, in above-described embodiment, preferably: be fixed with directed pulley 13 in the support long-armed 6 between described angle pulley 11 and cam 9; Another termination of stay cord 10 is walked around the afterbody that is fixed on another piece blade 2 of crescent-moon scissors 1 after directed pulley 13 and angle pulley 11 successively.
For ease of the directed transmission of stay cord 12, in above-described embodiment, preferably: there is the wire casing of appearance I 14 on the outer of described angle pulley 11.On the outer of described directed pulley 13, there is the wire casing of appearance II 15.
For effectively guaranteeing and regulate the pulling force of stay cord 10, in above-described embodiment, preferably: be fixed with connecting bolt 17 on described cam 9, stay cord 10 is fixed on connecting bolt 17.When stay cord 10 occurs after metal fatigue, unclamp the nut of connecting bolt 17, stay cord 10 post-tensionings are fastenedly connected again to the nut of bolt 17, realize the pulling force of stay cord 10 is regulated, to guarantee to cut out the shearing force of secateurs.
For ease of workman, use abdominal support total, be convenient to beta pruning, in above-described embodiment, preferably: long-armed 6 terminations, bottom of described support are fixed with supporting seat 16.
For ease of observing branch situation, in above-described embodiment, preferably: forming angle between described support transverse arm 5 and support long-armed 6 is obtuse angle.
For ease of the stability of assembling and total, in above-described embodiment, preferably: described bearing 7 is arranged in bearing block 18, this bearing block 18 is fixed on and supports on long-armed 6.
Above-mentioned, execute in example, angle pulley 11 is identical with directed pulley 13 structures, all by bearing pin, is fixed on and is supported transverse arm 5 or support on long-armed 6.The best stay cord 10 using of said structure is steel wire ropes.
Obviously, above-mentioned all embodiment are a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment described in the utility model, those skilled in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the category of the utility model protection.
In sum, due to said structure, reduced labour intensity and improved safety.
Claims (8)
1. a height adjustable convex wheeled sanction secateurs, comprise crescent-moon scissors (1), this crescent-moon scissors (1) is comprised of two blades (2), bolt (3) and back-moving spring (4), described bolt (3) is fixed as one these two blades (2) at the middle part of two blades (2), and the two ends of back-moving spring (4) are separately fixed at the rear portion of two blades (2); It is characterized in that:
The afterbody of a blade (2) of described crescent-moon scissors (1) is fixed on one end of supporting transverse arm (5), the other end of this support transverse arm (5) is fixed on the top of telescopic support long-armed (6), supports between transverse arm (5) and telescopic support long-armed (6) and is formed with an angle;
Described telescopic support long-armed (6) comprises again upper support arm (20) and lower support arm (21), between upper support arm (20) and lower support arm (21), be provided with linking arm (22), described upper support arm (20), lower support arm (21) and linking arm (22) are channel-section steel; Bottom and/or sidewall at upper support arm (20), lower support arm (21) and linking arm (22) are provided with the strip through-hole (19) passing for fastening bolt (23); Described upper support arm (20) and lower support arm (21) are fixed as one by the fastening bolt (23) through strip through-hole (19) after inserting linking arm (22);
On described lower support arm (21), be provided with cam-type pulling mechanism, this cam-type pulling mechanism is near the bottom of lower support arm (21), described cam-type pulling mechanism comprises again the bearing (7) being fixed in telescopic support long-armed (6), rotating shaft (8) through bearing (7), one end of this rotating shaft (8) is fixed with cam (9), it is upper that a termination of stay cord (10) is fixed on cam (9), and this cam (9) is under external force with rotating shaft (8) unitary rotation; Another termination of described stay cord (10) is walked around and is fixed on the afterbody that is fixed on another piece blade (2) of crescent-moon scissors (1) after the angle pulley (11) supporting on transverse arm (5), and stay cord (10) pulls this blade (2) to make the blade part interlock of crescent-moon scissors (1) under external force; On described cam (9), be fixed with handle (12);
During use, workman holds handle (12) rotating cam (9), cam (9) pulls stay cord (10) to realize the blade part interlock beta pruning of crescent-moon scissors (1), when workman decontrols after handle (12), back-moving spring (4) resets the blade (2) of crescent-moon scissors (1), and the blade of reset (2) pulls stay cord (10) band moving cam (9) to reset.
2. the wheeled sanction secateurs of height adjustable convex according to claim 1, is characterized in that: in the support long-armed (6) between described angle pulley (11) and cam (9), be fixed with directed pulley (13); Another termination of stay cord (10) is walked around the afterbody that is fixed on another piece blade (2) of crescent-moon scissors (1) after directed pulley (13) and angle pulley (11) successively.
3. the wheeled sanction secateurs of height adjustable convex according to claim 1 and 2, is characterized in that: on the outer of described angle pulley (11), have the wire casing I (14) of appearance.
4. the wheeled sanction secateurs of height adjustable convex according to claim 2, is characterized in that: on the outer of described directed pulley (13), have the wire casing II (15) of appearance.
5. the wheeled sanction secateurs of height adjustable convex according to claim 1 and 2, is characterized in that: termination, described support long-armed (6) bottom is fixed with supporting seat (16).
6. the wheeled sanction secateurs of height adjustable convex according to claim 1 and 2, is characterized in that: on described cam (9), be fixed with connecting bolt (17), stay cord (10) is fixed on connecting bolt (17).
7. the wheeled sanction secateurs of height adjustable convex according to claim 1, is characterized in that: between described support transverse arm (5) and support long-armed (6), forming angle is obtuse angle.
8. the wheeled sanction secateurs of height adjustable convex according to claim 1, is characterized in that: described bearing (7) is arranged in bearing block (18), and this bearing block (18) is fixed on and supports on long-armed (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420248863.6U CN203851525U (en) | 2014-05-15 | 2014-05-15 | Height-adjustable cam type pruning shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420248863.6U CN203851525U (en) | 2014-05-15 | 2014-05-15 | Height-adjustable cam type pruning shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203851525U true CN203851525U (en) | 2014-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420248863.6U Expired - Fee Related CN203851525U (en) | 2014-05-15 | 2014-05-15 | Height-adjustable cam type pruning shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203851525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023147A (en) * | 2017-05-16 | 2017-08-08 | 福建省涵城建设工程有限公司 | A kind of dragline type ash-shoveling device in the hard-cover process applied to Indoor environment |
| CN113475255A (en) * | 2021-07-05 | 2021-10-08 | 张杰杰 | Tree branch and leaf trimming device based on length sliding adjustment |
-
2014
- 2014-05-15 CN CN201420248863.6U patent/CN203851525U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023147A (en) * | 2017-05-16 | 2017-08-08 | 福建省涵城建设工程有限公司 | A kind of dragline type ash-shoveling device in the hard-cover process applied to Indoor environment |
| CN113475255A (en) * | 2021-07-05 | 2021-10-08 | 张杰杰 | Tree branch and leaf trimming device based on length sliding adjustment |
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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: 20141001 Termination date: 20150515 |
|
| EXPY | Termination of patent right or utility model |