CN202878426U - Non-parallel pin shaft saw chain - Google Patents
Non-parallel pin shaft saw chain Download PDFInfo
- Publication number
- CN202878426U CN202878426U CN 201220589795 CN201220589795U CN202878426U CN 202878426 U CN202878426 U CN 202878426U CN 201220589795 CN201220589795 CN 201220589795 CN 201220589795 U CN201220589795 U CN 201220589795U CN 202878426 U CN202878426 U CN 202878426U
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- Prior art keywords
- saw chain
- chain
- guide plate
- saw
- sheet
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Abstract
The utility model provides a non-parallel pin shaft saw chain which is characterized in that a certain angle greater than 0 degree is formed through mutual incline of pin shafts on the saw chain, wherein the pin shafts are connected with each chain piece; the saw chain is provided with a variety of cutting tools; the saw chain is arch-shaped, and is matched with guide grooves on two lateral sides of a U-shaped guide plate; the saw chain is limited by the guide grooves, can not move towards the outside of the guide grooves and can slide along the guide grooves; the saw chain parts at two ends of the guide plate are respectively meshed with a chain wheel; and when rotating, the chain wheel drives the saw chain to continuously slide along the guide grooves on the two sides of the U-shaped guide plate. The non-parallel pin shaft saw chain is novel in structure, and capable of solving the defects that the saw chain can only cut a plane and achieving cutting objects in a horizontal and arc mode; and by using the non-parallel pin shaft saw chain, a variety of tools which can help people to transplant nursery-grown plants, dig stumps and holes and the like can be manufactured, and the non-parallel pin shaft saw chain can substantially reduce labor intensity of people and improves working efficiency.
Description
Technical field
The utility model relates to a kind of graden machine saw chain.
Background technology
Chain saw is exactly the instrument that utilizes saw chain that object is cut.Saw chain is special silent chain, and it has the function of transmission and cutting, is the topmost workpiece of chain saw.Up to the present, the bearing pin of all saw chains all is parallel to each other, thereby saw chain can only carry out plane cutting along straight line.When people are in working face top, in the time of need to cutting the object of plane (or earth's surface) below, as transplantation with soil (digging tree), dig stub, large-scale sampling surface etc., the saw chain that can only carry out plane cutting just cannot satisfy instructions for use; Because this operation often will be goed deep into carrying out under the plane, operating mode is especially complicated, needs especially to expend the very large workload of people.The mechanical ratio that sets foot at present this operation is less, and has that adaptability is strong, volume ratio is large, high in cost of production is not enough, and very difficult spread uses; Thereby finish this operation in the urgent need to a kind of small and exquisite as chain saw, flexible, efficient instrument, reduce people's labour intensity.
The utility model content
The utility model purpose provides a kind of saw chain that can realize horizontal arc cutting.
The utility model adopts following technical scheme: a kind of non-parallel bearing pin saw chain, the bearing pin that it is characterized in that on the saw chain connecting each chain sheet is not parallel to each other but mutually tilts to have one greater than certain angle of 0 degree.
The chain sheet of described saw chain is curved, and described saw chain will be along with the curved extension of the increase of length.
Drive link on the described saw chain has a driving cog; Perhaps described Drive Link in Saw Chain has two driving cogs.
Described saw chain further comprises cutter, and described cutter is fixedly connected with described saw chain; Perhaps described saw chain is with the cutting chain sheet of cutting function; Described saw chain upper driving chain sheet has the Cutting tool installation manner hole, and described Cutting tool installation manner is on described drive link; Described cutter further comprises a kind of round cutter that can carry out the arc cutting; Described round cutter outer surface has a plurality of uniform spiral-shaped guide grooves.
Described saw chain further comprises a U-shaped guide plate, and described saw chain cooperates installation and can slide along guide groove with the guide groove of described guide plate two sides; Described saw chain is spacing by described guide plate guide groove, and saw chain can not be moved outside guide groove; Described saw chain can be positioned at described guide plate guide groove and slide, and also can be positioned on the described guide plate guide groove and slide; Described guide plate further comprises built-in sprocket wheel, and described built-in sprocket wheel is installed in the described guide plate, and meshes with the described saw chain that is positioned at the guide plate both sides simultaneously.
Described saw chain further comprises 2 energy around the drive sprocket of self axis rotation, and described 2 drive sprockets lay respectively at described guide plate two ends and described saw chain meshes; Described 2 drive sprockets will drive described saw chain simultaneously.When the sprocket wheel rotation, sprocket wheel will drive described saw chain and constantly slide along guide plate two side guidances with cutter.
Below in conjunction with accompanying drawing the utility model is done more detailed description.
Description of drawings
The force analysis figure of the non-parallel bearing pin saw chain of Fig. 1 chain sheet.
The non-parallel bearing pin saw chain of Fig. 2 a the first embodiment structure chart.
The non-parallel bearing pin saw chain of Fig. 2 b the first embodiment A-A profile.
The non-parallel bearing pin Drive Link in Saw Chain of Fig. 2 c the first embodiment front view.
The non-parallel bearing pin Drive Link in Saw Chain of Fig. 2 d the first embodiment A-A cutaway view.
The inside and outside connection chain sheet of the non-parallel bearing pin saw chain of Fig. 2 e the first embodiment is connected front view with bearing pin.
The inside and outside connection chain sheet of the non-parallel bearing pin saw chain of Fig. 2 f the first embodiment is connected top view with bearing pin.
The non-parallel bearing pin saw chain of Fig. 3 the first embodiment work structuring figure.
A kind of round cutter structure chart that uses on the non-parallel bearing pin saw chain of Fig. 4 the first embodiment.
The non-parallel bearing pin saw chain of Fig. 5 a the first embodiment sprocket wheel front view.
The non-parallel bearing pin saw chain of Fig. 5 b the first embodiment sprocket wheel top view.
The non-parallel bearing pin saw chain of Fig. 6 a the second embodiment structure chart.
The non-parallel bearing pin saw chain of Fig. 6 b the second embodiment intermediate chain sheet front view.
The non-parallel bearing pin saw chain of Fig. 6 c the second embodiment intermediate chain sheet A-A cutaway view.
Outer chain sheet is connected front view with bearing pin in the non-parallel bearing pin of Fig. 6 d the second embodiment.
Outer chain sheet is connected top view with bearing pin in the non-parallel bearing pin of Fig. 6 e the second embodiment.
The non-parallel bearing pin saw chain of Fig. 7 the 3rd embodiment structure chart.
The specific embodiment
Fig. 1 is the force analysis figure of the non-parallel bearing pin saw chain of the utility model chain sheet; F1, F2 are the active force at chain sheet two connecting holes (A, B) among the figure, and α ° is the angle of two connecting holes, and t is the pitch of two hole median surfaces; The arc radius of median surface (R) is so:
Because pin shaft hole axis and each stressed same plane that is positioned at, F1, F2 can not produce and make the chain sheet around the moment of the rotation of pin shaft hole; Because there is angle in F1, F2, allow chain sheet moving equilibrium, just must apply active force (F3) to the chain sheet by guide plate, it is zero making making a concerted effort on the chain sheet; According to formula as can be known its size be:
, application point is at F1, the intersection point of F2 extended line, and perpendicular direction overlaps with the O of center of arc point in the chain sheet; The resultant moment of ordering at O according to F1, F2, F3 again is zero can extrapolating: F1=F2.This illustrates that non-parallel bearing pin is the same with parallel bearing pin saw chain, and identical driving force is transmitted in each chain sheet phase mutual energy; Because perpendicular to driving force, thereby it just changes the driving force direction and does not affect its size guide rail to the active force (F3) of chain sheet; The directed force F 3 of certain guide groove and chain sheet will produce at the volley frictional force and will reduce driving force, affects operating efficiency, thereby need reduce friction by various measures in practice as far as possible.
Fig. 2 a, Fig. 2 b are the utility model the first embodiment non-parallel bearing pin saw chain structure chart and A-A profile, and the profile of tooth of this embodiment saw chain designs with reference to common saw chain (LYT 1187-2006), and its characteristics are exactly that drive link only has a driving cog; Among the figure: 1 is drive link, and 2 is interior connection chain sheet, and 3 is outer connection chain sheet, and 4 for connecting bearing pin, and 5 is round cutter, and 6 is right tiltedly cutter, and 7 is left tiltedly cutter, and 8 is left perpendicular cutter, and 9 is right perpendicular cutter, and 10 is attachment screw, and 11 is the attaching nut, and 12 is guide plate; Drive link (1) is connected by bearing pin (4) with connection chain sheet (2/3), and can be around mutually rotation of bearing pin (4); Because drive link (1) angle (〉 0 certain with the connecting hole phase mutual of connection chain sheet (2/3)), for avoiding movement interference, drive link (1) is concentric spherical with the mating surface of connection chain sheet (2/3); Fig. 2 c, Fig. 2 d are present embodiment drive link front view and A-A cutaway view, and Fig. 2 e, Fig. 2 f are that the inside and outside connection chain sheet of present embodiment is connected front view and top view with bearing pin; According to principle, the drive chain sheet has identical middle radius R with the connection chain sheet, thereby drive link (1) can have different pitch (at median surface) and angle of inclination from connection chain sheet (2/3) two connecting hole, but they keep proportionate relationship each other:
Because the chain sheet of non-parallel bearing pin saw chain is curved, thus the utility model saw chain along with the increase of length also with curved stretching, extension.In the present embodiment, saw chain is assembled in the U-shaped guide plate guide groove and by the spacing connection chain sheet (2/3) of living of the groove in the guide groove (KX), saw chain can not be moved outside guide groove but can slide along the guide groove direction; And drive link (1) stretches out in guide groove, and the Cutting tool installation manner hole is arranged on it, and various cutting tools can be installed; Certainly cutting tool also can be made monoblock type with drive link (1), but split-type structural can not only change different cutters and easily cutter is keeped in repair according to task, has very significantly advantage.
Fig. 3 is the non-parallel bearing pin saw chain of the first embodiment work structuring figure; Among the figure: 1 is the non-parallel bearing pin saw chain with various cutting tools, and 12 is U-shaped guide plate; 13 is sprocket wheel, and 14 is the guide plate inner sprocket; Can find that in the drawings the saw chain that is closed form can be divided into four arcs
,
,
,
With
Be active section, make arc sliding along the guide groove of guide plate side with cutter at this section saw chain;
With
Be to drive section, mesh by rotation and drive sprocket around bearing pin at this section saw chain chain sheet, and accept the driving of sprocket wheel at this; Can find out that from figure 2 sprocket wheels (13) all are positioned at the position outside the working region, thereby can utilize 2 sprocket wheels (13) simultaneously saw chain to be driven that with the operating efficiency of raising saw chain, but both direction of rotation are just in time opposite; Built-in sprocket wheel (14) is installed in the guide plate, built-in sprocket wheel (14) meshes with the saw chain that is positioned at the guide plate two ends simultaneously, its effect is exactly the saw chain of guide plate both sides is driven on active section mutually, will improve widely like this chain drive efficiency, reduce the pressure of chain and guide plate.
Fig. 4 is the employed a kind of round cutter of the utility model the first embodiment saw chain, and it is by being fixed on the drive link; 1 is that round cutting-off tool, 2 is Connection Block among the figure, and 3 is hold-down nut; As shown in the figure, round cutting-off tool (1) blade is rounded, and the cutting section of its circular arc has namely enlarged cut surface, the continuity of in the time of can keeping again cutter to make arcuate movement object being cut; And also be evenly equipped with many spiral guide grooves (S) on the cutting knife outer surface, they are divided into a plurality of little cutting edges with circular blade, further prolonged again blade cutting distance, reduced cutting force; The function of the degree of depth of guide groove (h) depth of cut of restricted every cutter when cutting, its helical structure will make again cutter produce rotation when cutting, make annulus cutting knife all sites participate in turn cutting operation, thereby the blade even wearing, also will prolong service life.
Fig. 5 a and Fig. 5 b are and the utility model the first embodiment saw chain drive sprocket front view and top view, because each bearing pin of described saw chain has angle, each chain sheet is curved again to rotate around bearing pin, thereby the movement locus of chain sheet is a spheric, and it is tapered to drive its each flank of tooth of sprocket wheel that carries out circular motion.
Fig. 6 a is the non-parallel bearing pin saw chain of the second embodiment structure chart.Its structural principle is the same with the first embodiment, difference be exactly present embodiment the saw chain profile of tooth with reference to common silent chain (GB/T 10855-1989) design, its characteristics are exactly that all chain sheets are all participated in engaged transmission with sprocket wheel, every chain sheet has 2 driving cogs, thereby its stable drive, noise are very little.Among the figure: 1 is the intermediate chain sheet, and 2 is inner chain sheet, and 3 is outer chain sheet, and other part names are identical with Fig. 2 a; Fig. 6 b, Fig. 6 c are present embodiment intermediate chain sheet front view and A-A cutaway view, and Fig. 6 d, Fig. 6 e are front view and the top view that outer chain sheet is connected with bearing pin in the present embodiment; Each chain sheet of this example has identical pitch (t) and connecting hole angle of inclination (α °) at median surface (SR face); Because chain sheet driving gear and the first embodiment are variant, thereby the guide plate guide groove size also has certain variation, but it is will saw chain spacing in guide groove, can not move outside guide groove and allows saw chain to slide along guide groove; Intermediate chain sheet (1) stretches out from guide groove, and the structure of cutter is the same with the first embodiment, can be split type or monoblock type.
Fig. 7 is the utility model the 3rd embodiment saw chain structure chart; Among the figure: 1 is drive link, and 2 is interior connection chain sheet, and 3 is outer connection chain sheet, and 4 is bearing pin, and 5 is interior cutting chain sheet, and 6 is outer cutting chain sheet; 7 is guide plate; This example saw chain principle is the same with tooth proportions the first embodiment; The main distinction be exactly this example in drive link (1) lower end with a horizontal spacer pin (GX), drive link (1) is installed on guide plate (7) guide groove and with spacer pin (GX) and is installed in the groove (KX) horizontal in the guide groove, thereby saw chain can not be moved outside guide groove, keep being slidingly matched of saw chain and guide plate; Because this embodiment saw chain is positioned on the guide plate guide groove and moves, thereby it can directly be processed into various cutting chain sheets (5/6) with cutting function with part chain sheet as common saw chain, certainly also can adopt Split type cutter.
By above-described embodiment as can be known, the utility model saw chain is exactly to utilize the circular arc that produces when each chain sheet connection bearing pin is parallel on it to carry out arc transmission and operation; Compare with parallel bearing pin saw chain, when bearing pin is not parallel to each other mutually, need to utilize guide rail to saw chain apply extra equilibrant force with keep saw chain motion steadily, and extra power will produce the frictional force impact and saw chaindriven efficient; Because the driving section of the utility model saw chain is separate outside the working region, 2 engagement sprocket wheels do not need mutually to carry out the energy transmission, they will drive operation to saw chain simultaneously on the contrary, use function so saw chain has certain energy consumption can't affect it at active section; Certainly we can also reduce friction, raise the efficiency by increase guide plate inner sprocket, use low-friction material, the lubricated measures such as (easily carrying out grease lubrication in the guide groove) of improvement, so principle and the effect of non-parallel bearing pin saw chain can satisfy instructions for use fully.Utilize the utility model saw chain will produce the various chain saw instruments that can carry out the cutting of horizontal arc and digging operation, be particularly suitable for transplantation with soil (digging tree), dig stub, dig the operation such as tree well, this will greatly improve people labour intensity, increase work efficiency.
Claims (16)
1. a saw chain is characterized in that the bearing pin that connects each chain sheet on the saw chain is not parallel to each other, but mutually tilts to have one greater than certain angle of 0 degree.
2. a kind of saw chain according to claim 1, it is characterized in that: each chain bending tablet is curved on the described saw chain.
3. a kind of saw chain according to claim 1, it is characterized in that: described saw chain upper driving chain sheet has a driving cog.
4. a kind of saw chain according to claim 1, it is characterized in that: described saw chain upper driving chain sheet has two driving cogs.
5. a kind of saw chain according to claim 1, it is characterized in that: described saw chain further comprises cutter, described cutter is fixedly connected with described saw chain.
6. a kind of saw chain according to claim 5, it is characterized in that: described saw chain upper driving chain sheet has the Cutting tool installation manner hole, and described Cutting tool installation manner is on described drive link.
7. it is characterized in that according to claim 5 or 6 described a kind of saw chains: described cutter further comprises a kind of round cutter that can carry out the arc cutting.
8. a kind of saw chain according to claim 7 is characterized in that: a plurality of uniform spiral-shaped guide grooves are arranged on the outer surface of described round cutter.
9. a kind of saw chain according to claim 1, it is characterized in that: described saw chain has the cutting chain sheet with cutting function.
10. a kind of saw chain according to claim 1, it is characterized in that: described saw chain further comprises a U-shaped guide plate, described saw chain cooperates with the guide groove of guide plate two sides to be installed and can slide along guide groove.
11. a kind of saw chain according to claim 10 is characterized in that: described saw chain is spacing by described guide plate guide groove, can not move outside guide groove.
12. a kind of saw chain according to claim 11 is characterized in that: described saw chain is positioned at described guide plate guide groove and slides.
13. a kind of saw chain according to claim 11 is characterized in that: described saw chain is positioned on the described guide plate guide groove and slides.
14. a kind of saw chain according to claim 10 is characterized in that: described saw chain further comprises 2 energy around the drive sprocket of self axis rotation, and described 2 drive sprockets lay respectively at the guide plate two ends and described saw chain meshes.
15. a kind of saw chain according to claim 14 is characterized in that: described 2 drive sprockets will drive described saw chain simultaneously.
16. a kind of saw chain according to claim 10; It is characterized in that: described guide plate further comprises built-in sprocket wheel, and described built-in sprocket wheel is installed in the described guide plate, and meshes with the described saw chain that is positioned at the guide plate both sides simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220589795 CN202878426U (en) | 2012-11-11 | 2012-11-11 | Non-parallel pin shaft saw chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220589795 CN202878426U (en) | 2012-11-11 | 2012-11-11 | Non-parallel pin shaft saw chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202878426U true CN202878426U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220589795 Expired - Fee Related CN202878426U (en) | 2012-11-11 | 2012-11-11 | Non-parallel pin shaft saw chain |
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| CN (1) | CN202878426U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802167A (en) * | 2012-11-11 | 2014-05-21 | 宋久林 | Non-parallel pin roll saw chain |
| CN105408075A (en) * | 2013-06-19 | 2016-03-16 | 梅卡奇罗梅法国公司 | Device and method for cutting parts consisting of a metal or composite material and parts produced with such a method |
| JP2016522096A (en) * | 2013-06-19 | 2016-07-28 | メカクローム・フランスＭｅｃａｃｈｒｏｍｅ Ｆｒａｎｃｅ | A set of plates or parts obtained by cutting a block of metal or composite material |
| CN110839503A (en) * | 2019-12-09 | 2020-02-28 | 河南省震烨生态环境工程有限公司 | Tree transplanting equipment |
-
2012
- 2012-11-11 CN CN 201220589795 patent/CN202878426U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802167A (en) * | 2012-11-11 | 2014-05-21 | 宋久林 | Non-parallel pin roll saw chain |
| CN105408075A (en) * | 2013-06-19 | 2016-03-16 | 梅卡奇罗梅法国公司 | Device and method for cutting parts consisting of a metal or composite material and parts produced with such a method |
| JP2016522097A (en) * | 2013-06-19 | 2016-07-28 | メカクローム・フランスＭｅｃａｃｈｒｏｍｅ Ｆｒａｎｃｅ | Apparatus and method for cutting parts made of metal or composite materials and parts produced by such a method |
| JP2016522096A (en) * | 2013-06-19 | 2016-07-28 | メカクローム・フランスＭｅｃａｃｈｒｏｍｅ Ｆｒａｎｃｅ | A set of plates or parts obtained by cutting a block of metal or composite material |
| CN105408075B (en) * | 2013-06-19 | 2019-02-26 | 梅卡奇罗梅法国公司 | Metal or composite material work piece cutter device and method and the workpiece made of this method |
| EP3010689B1 (en) * | 2013-06-19 | 2019-07-17 | Mecachrome France | Device and process for cutting metallic or composite parts |
| CN110839503A (en) * | 2019-12-09 | 2020-02-28 | 河南省震烨生态环境工程有限公司 | Tree transplanting equipment |
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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: 20130417 Termination date: 20151111 |
|
| EXPY | Termination of patent right or utility model |