CN201248287Y - High-hedge pruning machine - Google Patents
High-hedge pruning machine Download PDFInfo
- Publication number
- CN201248287Y CN201248287Y CNU2008201201116U CN200820120111U CN201248287Y CN 201248287 Y CN201248287 Y CN 201248287Y CN U2008201201116 U CNU2008201201116 U CN U2008201201116U CN 200820120111 U CN200820120111 U CN 200820120111U CN 201248287 Y CN201248287 Y CN 201248287Y
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- CN
- China
- Prior art keywords
- gear
- bevel gear
- branches
- slide block
- transmission mechanism
- 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 relates to a device for pruning hedges, in particular to a high-hedge pruning machine, which comprises an engine as well as a bevel gear group, an eccentric gear and a connecting rod which are arranged in a driving mechanism, two cutter blades which are driven by the connecting rod, and a handle. The device is characterized in that the driving mechanism comprises two gear boxes with adjustable relative angles, two bevel gear groups with adjustable relative angles and an adjusting mechanism capable of adjusting the relative angles between the two gear boxes; one of the two bevel gear groups comprises a bevel gear A driven by a driving gear and a bevel gear B meshed with the bevel gear A, and the other one comprises a bevel gear C driven by the bevel gear B and a bevel gear B meshed with the bevel gear; and the adjusting mechanism capable of adjusting the relative angles between the two gear boxes comprises an adjusting rod, concave holes on the gear box B, a plurality of grooves on the gear box A, retaining pins inserted between the concave holes and the grooves and expanding springs sleeved in the retaining pins. The utility model has reasonable design, high working efficiency and long service life of the devices, and especially can adjust the angles of the cutter blades to result in comfortable, light and flexible operation.
Description
Technical field
The utility model relates to a kind of utensil of pruning hard stem plant such as hedgerow or shrub flowers and plants, and is specifically a kind of portable, by the branches of tall trees hedgeclipper of gasoline engine as power.
Background technology
The branches of tall trees hedgeclipper is used for higher hedgerow of cutting range or wide cut hedgerow.Transmission of existing branches of tall trees hedgeclipper and operating mechanism be generally by gear-box, the blade assembly, and front hand grip, main handle, parts such as drive link and bottom are formed.Drive by gasoline engine, slow down, change drive manner, thereby blade mechanisms is moved back and forth, hedgerow is pruned through transmission case.For the operator has alleviated labour intensity, and saved working time.But at present the transmission mechanism of this class machinery, that blade mechanisms exists precision is not enough, the work efficiency is not high, the defective of operation underaction.Important spare part falls short of as blade life.Particularly transmission mechanism only drives eccentric wheel by one group of bevel gear set and drives the blade reciprocating motion by connecting rod at last, and blade angle can not be regulated when causing the trimmer operation.This makes this defective of branches of tall trees hedge trimming machine operation underaction can influence user's inconvenient operation especially, and can influence the pruning quality.
Summary of the invention
The purpose of the utility model is to remedy above-mentioned defective, disclose to society a kind of reasonable in design, high efficiency, device lifetime is long, especially branches of tall trees hedgeclipper comfortable, light and flexible can be regulated, be operated to blade operation angle.
Above-mentioned technical problem of the present utility model is solved by following technical proposals:
A kind of branches of tall trees hedgeclipper comprises: the power source petrol engine, and the bevel gear set in the transmission mechanism, eccentric gear, the connecting rod that is driven by eccentric gear is by two blades that the connecting rod of transmission mechanism drives, front hand grip and main handle, trimmer drive link; It is characterized in that two bevel gear set in two gear-boxes that transmission mechanism comprises that relative angle between the two can regulate and two gear-boxes and the governor motion that can regulate relative angle between two gear-boxes.
Described two bevel gear set are that a bevel gear set is made up of by the bevel gear A of axle drive and with bevel gear A meshed bevel gears B driven wheel; Another bevel gear set: form by the bevel gear C of another drive and with bevel gear C meshed bevel gears D by bevel gear B.
The governor motion of relative angle comprises between two gear-boxes of described adjusting: end and middle part are hinged on the adjusting rod on the gear box B respectively, shrinkage pool on the gear box B, one end stretches in the groove of gear box A side, the other end inserts the latch in the shrinkage pool on the gear box B, several grooves on the gear box A side are inserted in the coil tension spring in the latch.
The measure of taking for further optimization the utility model also comprises:
Have groove on the plane of described two blades, be provided with the blade protection mechanism that comprises slide block and press strip between the groove of two blades.
The slide block of described blade protection mechanism has several piece, and slide block is installed in respectively in the groove of leaving on the blade plane; Respectively there is a thin press strip long, that blade is pushed down at two up and down of slide block, and several holding screws pass slide block, another the thin press strip in thin press strip, two insert grooves separately from bottom to up, and the space that blade is installed and operated is confined; Two thin press strips and slide block are connected on the gear housing of transmission mechanism by fixed screw.
The width of described slide block matches with the width of groove, and its thickness is a bit larger tham the thickness sum of two blades.
The eccentric gear of described transmission mechanism and connecting rod connecting portion are provided with the needle bearing that reduces friction.
The gear case body of described transmission mechanism adopts the extremely light magnesium alloy materials of proportion to be made.
The utility model advantage compared with prior art is:
1, because interior two bevel gear set of two gear-boxes that transmission mechanism comprises that relative angle between the two can regulate and two gear-boxes and the governor motion that can regulate relative angle between two gear-boxes, relative angle can be regulated and change between two gear-boxes, the degree of the most comfortable degree when making the angle of two blades can be adjusted to the operator to cut, thereby improve the flatness of cutting, improve the speed of the cutting of branches of tall trees hedgeclipper.
2, be provided with the blade protection mechanism that comprises slide block and press strip between the groove of two blades.Several slide blocks of blade protection mechanism can prevent two blade double swerves, and two thin press strips can prevent that blade is crooked up and down up and down.In the time of guaranteeing branches of tall trees hedge trimming machine operation like this, the running of upper and lower two blades steadily and vibration-direction just, both improved operating efficiency, reduced the frictional force between two blades again, also prolonged the service life of blade.
3, the eccentric gear of transmission mechanism and connecting rod connecting portion are provided with the needle bearing that reduces friction, and have not only reduced machine members, and make transmission link turn round especially smoothly.
4, transmission case body adopts the extremely light magnesium alloy materials manufacturing of proportion to form, and reduces the weight of complete machine, can alleviate operator's labour intensity, and make flexible operation freely.
Description of drawings
Fig. 1 looks schematic diagram (broken section is not with engine, front hand grip, main handle and drive link) for the utility model embodiment master;
Fig. 2 is the utility model embodiment vertical view (not being with engine, front hand grip, main handle and drive link);
Fig. 3 is the utility model embodiment two gear-boxes and two bevel gear set structural representations (when two gear-box relative angles are 90 °);
Fig. 4 can regulate the governor motion schematic diagram of relative angle between two gear-boxes for the utility model embodiment;
Fig. 5 is the utility model embodiment vertical view (integral body).
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Shown in Fig. 1 to 5, the Reference numeral title is: 1 gear box A, 2 gear box B, 3 bottoms, 4 eccentric gears, 5 needle bearings, 6 connecting rods, thin press strip on 7,8 times thin press strips, 9 cutters, 10 bottom knife, 11 holding screws, 12 slide blocks, 13 adjusting rods, 14 latch, 15 adjusting rod grooves, 16 coil tension springs, 17 gear box A grooves, 18 bevel gear A, 19 bevel gear B, 20 bevel gear C, 21 bevel gear D, 22 drive links, 23 front hand grip, 24 main handles, 25 gasoline engines, 26 driven wheels.
A kind of branches of tall trees hedgeclipper, comprise: power source petrol engine 25 (Fig. 5), bevel gear set in the transmission mechanism, eccentric gear 4 (Fig. 1), connecting rod 6 by the eccentric gear drive, two blades 9,10 that drive by the connecting rod of transmission mechanism, front hand grip 23 and main handle 24, trimmer drive link 22; It is characterized in that transmission mechanism comprises two bevel gear set in two gear-boxes 1,2 (being gear box A, B) that relative angle between the two can be regulated and two gear-boxes and the governor motion that can regulate relative angle between two gear-boxes.
In two bevel gear set, a bevel gear set is made up of by the bevel gear A18 of axle drive and with bevel gear A18 meshed bevel gears B19 driven wheel 26 (Fig. 3).Another bevel gear set is made up of by the bevel gear C20 of another drive and with bevel gear C20 meshed bevel gears D21 bevel gear B19.
The governor motion of regulating relative angle between two gear-boxes comprises by end and middle part and is hinged on adjusting rod 13 on the gear box B respectively, shrinkage pool 15 on the gear box B, the latch 14 that one end stretches in the groove of gear box A side, the other end inserts the shrinkage pool 15 on the gear box B, several grooves 17 on the gear box A side, the coil tension spring 16 that is inserted in the latch is formed.
Have groove on the plane of two blades 9,10, be provided with the blade protection mechanism that comprises slide block 12 and press strip between the groove of two blades.
The slide block 12 of blade protection mechanism has several piece 9, and slide block is installed in respectively in the groove of leaving on blade 9,10 planes; Respectively there is a thin press strip 7,8 long, that blade 9,10 is pushed down at two up and down of slide block, several holding screws 11 pass slide block 12, another the thin press strip 8 that approaches in press strip 8, two insert grooves separately from bottom to up, and the space that blade 9,10 is installed and operated is confined.Two thin press strips 7,8 and slide block 12 are connected on the gear housing of transmission mechanism by fixed screw.
The width of slide block 12 matches with the width of groove, and two blades, 9,10 thickness sums are designed to 4.5MM, and slide block 13 thickness are 4.8MM, width 5MM.Make the running of two blades 9,10 can remain honest direction, not only improved operating efficiency but also prolonged service life of blade.
The eccentric gear 4 and connecting rod 6 connecting portions of transmission mechanism are provided with the needle bearing 5 that reduces friction.
Gear- box 1,2 casings of transmission mechanism adopt the extremely light magnesium alloy materials of proportion to be made.
The utility model compact conformation, rationally distributed, complete machine is light and handy, and flexible operation is pressed with needle bearing on the connecting rod, have Be beneficial to the friction that reduces connecting rod and eccentric gear, be beneficial to the characteristics such as usefulness that improve machine. Regulate phase between two gear-boxes Blade can be adjusted the running angle to the governor motion of angle between positive and negative 90 °, be given the user easy to operate and raising branches of tall trees The pruning quality of hedgeclipper provides convenience.
Claims (8)
1, a kind of branches of tall trees hedgeclipper, comprise: power source gasoline engine (25), bevel gear set in the transmission mechanism, eccentric gear (4), connecting rod (6) by the eccentric gear drive, two blades (9,10) that drive by the connecting rod of transmission mechanism, front hand grip (23) and main handle (24), trimmer drive link (22); It is characterized in that transmission mechanism comprises two bevel gear set in two gear-boxes (1,2) that relative angle between the two can be regulated and two gear-boxes and the governor motion that can regulate relative angle between two gear-boxes.
2, branches of tall trees hedgeclipper according to claim 1 is characterized in that, described two bevel gear set are that a bevel gear set is made up of by the bevel gear A (18) of axle drive and with bevel gear A (18) meshed bevel gears B (19) driven wheel (26); Another bevel gear set: form by the bevel gear C (20) of another drive and with bevel gear C (20) meshed bevel gears D (21) by bevel gear B (19).
3, branches of tall trees hedgeclipper according to claim 1, it is characterized in that, the governor motion of regulating relative angle between two gear box A, the B comprises by end and middle part and is hinged on adjusting rod (13) on the gear box B respectively, shrinkage pool on the gear box B (15), latch (14) in the shrinkage pool (15) that one end stretches in the groove of gear box A side, the other end inserts gear box B, several grooves (17) on the gear box A side and be inserted in coil tension spring (16) in the latch.
4, branches of tall trees hedgeclipper according to claim 1 is characterized in that, has groove on the plane of described two blades (9,10), is provided with the blade protection mechanism that comprises slide block (12) and press strip between the groove of two blades.
5, branches of tall trees hedgeclipper according to claim 4 is characterized in that, the slide block of described blade protection mechanism (12) has several piece, and slide block is installed in respectively in the groove of leaving on blade (9, the 10) plane; Respectively there is a thin press strip (7,8) long, that blade (9,10) is pushed down at two up and down of slide block, several holding screws (11) pass slide block (12), another the thin press strip (8) in thin press strip (8), two blades (9, the 10) groove separately from bottom to up, and the space that blade (9,10) is installed and operated is confined; Two thin press strips (7,8) and slide block (12) are connected on the gear housing of transmission mechanism by fixed screw.
6, according to claim 4 or 5 described branches of tall trees hedgeclippers, it is characterized in that the width of described slide block (12) matches with the width of groove, its thickness is a bit larger tham the thickness sum of two blades (9,10).
7, branches of tall trees hedgeclipper according to claim 1 is characterized in that, the eccentric gear of described transmission mechanism (4) is provided with the needle bearing (5) that reduces friction with connecting rod (6) connecting portion.
8, branches of tall trees hedgeclipper according to claim 1 and 2 is characterized in that, the gear-box of described transmission mechanism (1,2) casing adopts the extremely light magnesium alloy materials of proportion to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201201116U CN201248287Y (en) | 2008-06-19 | 2008-06-19 | High-hedge pruning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201201116U CN201248287Y (en) | 2008-06-19 | 2008-06-19 | High-hedge pruning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201248287Y true CN201248287Y (en) | 2009-06-03 |
Family
ID=40743954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201201116U Expired - Fee Related CN201248287Y (en) | 2008-06-19 | 2008-06-19 | High-hedge pruning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201248287Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308723A (en) * | 2010-07-06 | 2012-01-11 | 南京德朔实业有限公司 | Handheld power tool for trimming and cutting vegetation and method for changing blade of handheld power tool |
| CN102630501A (en) * | 2012-04-11 | 2012-08-15 | 浙江格瑞斯实业有限公司 | Direct-current long-reach chain saw |
| US11284568B2 (en) | 2018-05-23 | 2022-03-29 | Milwaukee Electric Tool Corporation | Hedge trimmer |
-
2008
- 2008-06-19 CN CNU2008201201116U patent/CN201248287Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308723A (en) * | 2010-07-06 | 2012-01-11 | 南京德朔实业有限公司 | Handheld power tool for trimming and cutting vegetation and method for changing blade of handheld power tool |
| CN102308723B (en) * | 2010-07-06 | 2013-08-21 | 南京德朔实业有限公司 | Handheld power tool for trimming and cutting vegetation and method for changing blade of handheld power tool |
| CN102630501A (en) * | 2012-04-11 | 2012-08-15 | 浙江格瑞斯实业有限公司 | Direct-current long-reach chain saw |
| US11284568B2 (en) | 2018-05-23 | 2022-03-29 | Milwaukee Electric Tool Corporation | Hedge trimmer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO TAILI MACHINERY CO., LTD. Free format text: FORMER NAME: NINGBO YINZHOU TAILI MACHINERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 315000 Shuangqiao Village, Yunlong Town, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO YINZHOU TAILI MACHINERY CO., LTD. Address before: 315105 Zhejiang city of Ningbo province Yinzhou District streets under Tu Qiao Cun week Dongqiao Industrial Zone Patentee before: Ningbo Yinzhou Taili Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20160619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |