CN107810732B - A pruning ware for urban afforestation trees - Google Patents
A pruning ware for urban afforestation trees Download PDFInfo
- Publication number
- CN107810732B CN107810732B CN201711103323.3A CN201711103323A CN107810732B CN 107810732 B CN107810732 B CN 107810732B CN 201711103323 A CN201711103323 A CN 201711103323A CN 107810732 B CN107810732 B CN 107810732B
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- rod
- curved portion
- clamping
- mounting seat
- block
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- 238000013138 pruning Methods 0.000 title claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
- A01G3/0255—Tree pruners, i.e. pruning shears carried at the end of a pole
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Scissors And Nippers (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
The invention discloses a pruning device for urban greening trees, which comprises a trolley and a ball joint universal joint, wherein the ball joint universal joint comprises a ball socket and a ball head, the ball socket is fixedly connected to the trolley, an installation seat is arranged on the ball head, a long rod is connected to the front end of the installation seat in a sliding manner, a scissor head is arranged at the front end of the long rod, a pull rod is sleeved on the long rod in a forward and backward moving manner, the front end of the pull rod is connected with the scissor head, a locking mechanism is arranged on the installation seat, and the locking mechanism comprises a push block connected inside the installation seat in a forward and backward moving manner, a clamping rod connected inside the installation seat in a vertical moving. The invention uses the trolley to bear the weight of the pruning device and part of the counterforce of the pulling rod, thereby greatly reducing the burden of a user, saving more labor in operation, being convenient to move on the road and being more convenient to use.
Description
Technical Field
The invention relates to a pruning device, in particular to a pruning device for urban greening trees.
Background
In modern urban greening trees, in order to allow the trees to grow in a reasonable space, the trees are often required to be pruned. To comparatively stout branch, maintainer can regularly use electric lift equipment, professional equipment such as cutting equipment cuts, and to comparatively tiny branch, maintainer can cut by handheld averruncator at an interval, during the pruning, maintainer needs the stock of handheld averruncator of one hand, the scissors is controlled to another hand pulling rope and is cut, the gravity of in-process averruncator and the reaction force of pulling the rope all are born by maintainer's both hands, the operation is hard, fatigue appears easily, influence work efficiency.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the pruning device for the urban greening trees, which is convenient to operate and saves labor.
The technical scheme adopted by the invention for solving the problems is as follows:
a pruning device for urban greening trees comprises a trolley and a ball joint universal joint, wherein the ball joint comprises a ball socket and a ball head, the ball socket is fixedly connected to the trolley, a mounting seat is arranged on the ball head, a long rod is connected to the front end of the mounting seat in a sliding mode, a scissor head is arranged at the front end of the long rod, a pull rod is sleeved on the long rod in a movable back and forth mode, the front end of the pull rod is connected with the scissor head, when the pull rod moves towards the rear end of the long rod, the scissor head is closed, a locking mechanism is arranged on the mounting seat and comprises a push block, a clamping rod and a reset spring assembly, the push block, the clamping rod and the reset spring assembly are connected to the inside of the mounting seat in a movable back and forth sliding mode; when the pushing block is pulled to move backwards, the pushing block pushes the clamping block to move forwards to be clamped with the long rod and pushes the clamping rod to move downwards to be clamped with the ball socket; when the locking mechanism is in a natural state, the reset spring assembly enables the clamping block to move backwards to be loosened with the long rod, enables the clamping rod to move upwards to be loosened with the ball socket, and enables the pushing block to be located at the foremost displacement position.
Furthermore, the reset spring assembly comprises a tension spring arranged on the mounting seat and used for enabling the push block to have a forward moving trend, a spring arranged in the mounting seat and used for enabling the clamping rod to have an upward moving trend, and an elastic sheet used for enabling the clamping block to have a backward moving trend.
Furthermore, the rear end of the push block and the top end of the clamping block are provided with mutually matched inclined planes, and when the push block moves backwards, the inclined planes of the push block are in contact with the inclined planes of the clamping block and force the clamping rod to move downwards.
Further, the bottom of ejector pad is provided with the cavity, the shell fragment is including curved first bight, the arc portion of first bight extends in the cavity, and when the ejector pad backward shift, the arc portion of first bight is extruded at the edge of cavity makes it warp and promotes the fixture block antedisplacement.
Further, the shell fragment is still including curved second bending and third bending, the opening orientation of third bending is the same with first bending, the opening orientation of second bending and first bending is opposite, the second bending is between first bending and third bending and its both sides are connected with first bending and third bending respectively, be provided with one or twice strengthening rib along the arcwall face on the second bending.
Further, the stock includes that the cross section is regular polygon's anterior segment, middle section and back end, anterior segment and back end articulate respectively at the preceding terminal surface and the rear end face in middle section, the scissors head sets up on the front end of anterior segment, the front end and the rear end of pull rod overlap respectively on anterior segment and back end, the side in middle section is provided with one row of screens that can with the fixture block joint along length direction.
Further, the scissors head comprises an upper blade fixedly connected to the front section and a lower blade hinged to the front section, and the rear end of the lower blade can move up and down and is hinged to the front end of the pull rod.
Further, the mounting seat is hinged with a connecting plate in the direction towards the rear end of the long rod, the lower end of the connecting plate is detachably and fixedly connected with a heavy block, and the upper end of the connecting plate is hung on the middle section of the long rod.
Furthermore, a foot brake is arranged on the rear wheel of the trolley.
The invention has the beneficial effects that: the trolley is provided with a ball head universal joint, a long rod is connected to a mounting seat on the ball head universal joint in a sliding mode, the ball head universal joint can move in any direction, the long rod is operated by hand to enable a shear head of the long rod to be aligned to a branch to be sheared, a push block is pulled by hand to move backwards, a clamping block is clamped with the long rod, a clamping rod is clamped with a ball socket, the ball head and the long rod are locked and do not move at the moment, a pull rod is pulled by hand to move backwards, and the shear head is closed to shear the branch; the invention uses the trolley to bear the weight of the pruning device and part of the counterforce of the pulling rod, thereby greatly reducing the burden of a user, saving more labor in operation, being convenient to move on the road and being more convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the locking mechanism of the present invention;
FIG. 3 is a schematic perspective view of the elongate rod of the present invention;
FIG. 4 is a perspective view of the spring plate of the present invention;
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in the following with reference to the embodiments and the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1 to 4, a pruning device for urban afforestation trees comprises a trolley 1 and a ball joint 2, the ball joint universal joint 2 comprises a ball socket 21 and a ball head 22, the ball socket 21 is fixedly connected on the handcart 1, the bulb 22 is provided with a mounting seat 3, the front end of the mounting seat 3 is connected with a long rod 4 in a sliding way, the front end of the long rod 4 is provided with a scissors head 5, the long rod 4 is sleeved with a pull rod 6 in a way of moving back and forth, the front end of the pull rod 6 is connected with the scissors head 5, when the pull rod 6 moves towards the rear end of the long rod 4, the scissor head 5 is closed, the mounting seat 3 is provided with a locking mechanism, the locking mechanism comprises a push block 71 which can be connected in the mounting base 3 in a sliding manner in a front-back mode, a clamping block 72 which can be connected in the mounting base 3 in a sliding manner in a front-back mode, a clamping rod 73 which can be connected in the mounting base 3 in a sliding manner in a vertical direction, and a return spring assembly; when the pushing block 71 is pulled to move backwards, the pushing block 71 pushes the clamping block 72 to move forwards to be clamped with the long rod 4 and pushes the clamping rod 73 to move downwards to be clamped with the ball socket 21; when the locking mechanism is in a natural state, the return spring assembly moves the clamping block 72 backwards to release the long rod 4, moves the clamping rod 73 upwards to release the ball socket 21 and enables the pushing block 71 to be at the most forward displacement position. Here, the locking mechanism in the natural state means that the user does not apply an acting force with hands in general in a state where the external force to the push block 71 is removed; the pushing block 71 is at the foremost displacement position, which means that the pushing block 71 moves forwards to the foremost position, the pushing block 71 is a sliding chute connected in the mounting base 3 in a matching manner, and the pushing block is blocked and cannot move when moving to the foremost position of the sliding chute, and the position is the foremost displacement. In this embodiment, the pushing block 71 is further provided with a front handle, and the mounting base is provided with a rear handle, so that the pushing block 71 can be controlled to move backwards by holding the front handle and the rear handle with hands.
In this embodiment, the return spring assembly includes a tension spring 81 disposed on the mounting seat 3 for making the pushing block 71 have a forward movement tendency, a spring 82 disposed in the mounting seat 3 for making the locking rod 73 have an upward movement tendency, and a spring plate 83 for making the locking block 72 have a backward movement tendency. The rear end of the push block 71 and the top end of the latch 72 are provided with mutually matched inclined surfaces, and when the push block 71 moves backwards, the inclined surfaces of the push block 71 are contacted with the inclined surfaces of the latch 72 and force the latch rod 73 to move downwards. The bottom of the push block 71 is provided with a concave cavity, the elastic sheet 83 comprises a first arc-shaped bent portion 831, the arc-shaped portion of the first bent portion 831 extends into the concave cavity, and when the push block 71 moves backwards, the edge of the concave cavity extrudes the arc-shaped portion of the first bent portion 831 to enable the arc-shaped portion to deform and push the clamping block 72 to move forwards. Further improved, when the pushing block 71 is located at the foremost displacement position, the edge of the concave cavity of the pushing block 71 contacts the arc-shaped portion of the first bending portion 831, and a certain distance is formed between the inclined surface at the rear end of the pushing block 71 and the inclined surface of the clamping rod 73, when the pushing block 71 moves backwards, the clamping block 72 is pushed forwards, then the clamping rod 73 is pushed downwards, so that the locking and the releasing are in order, and the distance is enough to enable the clamping block 72 to be clamped with the long rod 4 firstly, and then the clamping rod 73 starts to be pushed downwards. In addition, a through hole along the diameter direction is formed in the ball head 22, the clamping rod 73 is connected in the through hole in a matching mode, and when the clamping rod 73 moves downwards, the tail end of the clamping rod props against the inner spherical surface of the ball socket 21, so that the ball head 22 and the ball socket 21 are fixed.
In the most advanced embodiment, referring to fig. 4, the resilient plate 83 further includes a second curved portion 832 and a third curved portion 833, the third curved portion 833 and the first curved portion 831 have the same opening direction, the second curved portion 832 and the first curved portion 831 have the opposite opening direction, the second curved portion 832 is located between the first curved portion 831 and the third curved portion 833 and two sides of the second curved portion 832 are respectively connected to the first curved portion 831 and the third curved portion 833, and one or two reinforcing ribs 834 are disposed along the arc-shaped surface of the second curved portion 832. This shell fragment 83 formula structure as an organic whole, during specific installation, its both ends insert respectively and set up in the recess of mount pad 3 and set up in the recess of fixture block 72 rear end, set up strengthening rib 834 on the second bent part 832, its intensity is higher, when receiving ejector pad 71 to promote, at first mainly warp by first bent part 831 and promote fixture block 72 antedisplacement, first bent part 831 warp a little, when the cavity moves to crossing first bent part 831, first bent part 831 is unable to warp again by the space restriction, second bent part 832 will increase the deformation this moment. In a specific structure, the openings of the first bent portion 831 are larger than the openings of the second bent portion 832 and the third bent portion 833.
Further modified embodiment, stock 4 includes that the cross section is regular polygon's anterior segment 41, middle section 42 and back end 43, anterior segment 41 and back end 43 articulate respectively at the preceding terminal surface and the rear end face of middle section 42, scissors head 5 sets up on the front end of anterior segment 41, the front end and the rear end of pull rod 6 overlap respectively on anterior segment 41 and back end 43, the side of middle section 42 is provided with one row of screens 44 that can with fixture block 72 joint along length direction. The cross section of general stock 4 is the square, and sets up screens 44 and can let the effect that fixture block 72 locked better, and anterior segment 41 and back end 43 articulate preceding terminal surface and the rear end face at middle section 42 respectively, and the accessible rotates pull rod 6, makes anterior segment 41 and back end 43 rotatory to adjust the inclination of scissors head 5, the branch of the various crooked orientations of being convenient for. Generally, when the pull rod 6 is pushed forward, the scissor head 5 will be opened, and the front section 41 is further provided with a spring for forcing the pull rod 6 to move forward in order to keep the scissor head 5 in a normally open state. The scissor head 5 comprises an upper blade 51 fixedly connected to the front section 41 and a lower blade 52 hinged to the front section 41, the rear end of the lower blade 52 being hinged to the front end of the pull rod 6 so as to be movable up and down.
In a further improved embodiment, the mounting base 3 is hinged with a connecting plate 9 in the direction of the rear end of the long rod 4, the lower end of the connecting plate 9 is detachably and fixedly connected with a weight 10, and the upper end of the connecting plate 9 is hung on the middle section 42 of the long rod 4. The connecting plate 9 and the weight 10 are arranged for balancing weight, the force path for operating the long rod 4 by a user is reduced, and the physical strength is favorably saved, wherein the weight 10 can be increased or decreased as required. In addition, a foot brake 11 is also arranged on the rear wheel of the handcart 1. The foot brake 11 is provided with a foot lever, the foot brake is tightly pressed when being stepped down, the foot brake is loosened when being separated, and the foot brake 11 can be always stepped on when the long rod 4 is controlled, so that the handcart 1 is fixed and does not move, and pruning operation is convenient.
It should be noted that the above-mentioned embodiments are mainly examples of a certain mechanism or component, and various embodiments of the mechanism or component can be interchanged to form a new embodiment without departing from the scope of the present invention.
Claims (5)
1. A pruning device for urban afforestation trees, includes handcart (1) and bulb universal joint (2), bulb universal joint (2) include ball socket (21) and bulb (22), its characterized in that: the ball socket (21) is fixedly connected to the trolley (1), the ball head (22) is provided with a mounting seat (3), a long rod (4) is connected to the front end of the mounting seat (3) in a sliding manner, a scissor head (5) is arranged at the front end of the long rod (4), a pull rod (6) is sleeved on the long rod (4) in a way of moving back and forth, the front end of the pull rod (6) is connected with the scissor head (5), when the pull rod (6) moves towards the rear end of the long rod (4), the scissor head (5) is closed, the mounting seat (3) is provided with a locking mechanism, and the locking mechanism comprises a push block (71) which can be connected in the mounting seat (3) in a sliding manner in a front-back mode, a clamping block (72) which can be connected in the mounting seat (3) in a sliding manner in a front-back mode, a clamping rod (73) which can be connected in the mounting seat (3) in a sliding manner in a vertical mode and a reset spring assembly; when the pushing block (71) is pulled to move backwards, the pushing block (71) pushes the clamping block (72) to move forwards to be clamped with the long rod (4) and pushes the clamping rod (73) to move downwards to be clamped with the ball socket (21); when the locking mechanism is in a natural state, the return spring assembly enables the clamping block (72) to move backwards to be loosened with the long rod (4), enables the clamping rod (73) to move upwards to be loosened with the ball socket (21) and enables the push block (71) to be located at the most front displacement position; the reset spring assembly comprises a tension spring (81) which is arranged on the mounting seat (3) and enables the push block (71) to have a forward moving trend, a spring (82) which is arranged in the mounting seat (3) and enables the clamping rod (73) to have an upward moving trend, and an elastic sheet (83) which enables the clamping block (72) to have a backward moving trend, wherein the rear end of the push block (71) and the top end of the clamping block (72) are respectively provided with an inclined surface which can be matched with each other, when the push block (71) moves backwards, the inclined surface of the push block (71) is contacted with the inclined surface of the clamping block (72) and forces the clamping rod (73) to move downwards, the bottom of the push block (71) is provided with a concave cavity, the elastic sheet (83) comprises a first arc-shaped bent part (831), the arc-shaped part of the first bent part (831) extends into the concave cavity, when the push block (71) moves backwards, the edge of the concave cavity extrudes the arc-shaped part of the first bent part (831) to, the shell fragment (83) is still including curved second curved portion (832) and third curved portion (833), third curved portion (833) is the same with the opening orientation of first curved portion (831), second curved portion (832) is opposite with the opening orientation of first curved portion (831), second curved portion (832) are between first curved portion (831) and third curved portion (833) and its both sides are connected with first curved portion (831) and third curved portion (833) respectively, be provided with one or twice strengthening rib (834) along the arcwall face on second curved portion (832).
2. The tree pruner for urban afforestation according to claim 1, wherein said long rod (4) comprises a front section (41), a middle section (42) and a rear section (43) with regular polygonal cross section, said front section (41) and said rear section (43) are respectively hinged on the front end face and the rear end face of said middle section (42), said scissors head (5) is arranged on the front end of said front section (41), the front end and the rear end of said pull rod (6) are respectively sleeved on said front section (41) and said rear section (43), the side of said middle section (42) is provided with a row of clamping positions (44) along the length direction, which can be clamped with said clamping blocks (72).
3. A pruner for urban afforestation trees according to claim 2, wherein said scissors head (5) comprises an upper blade (51) fixedly connected to the front section (41) and a lower blade (52) hinged on the front section (41), the rear end of said lower blade (52) being hinged on the front end of the pull rod (6) so as to be movable up and down.
4. A pruner for urban landscaping trees according to claim 2, wherein said mounting base (3) is hinged with a connecting plate (9) in the direction of the rear end of the long pole (4), the lower end of said connecting plate (9) is detachably and fixedly connected with a weight (10), and the upper end of said connecting plate (9) is hung on the middle section (42) of the long pole (4).
5. A pruner for urban afforestation trees according to claim 1, characterized in that the rear wheel of said trolley (1) is further provided with a foot brake (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103323.3A CN107810732B (en) | 2017-11-10 | 2017-11-10 | A pruning ware for urban afforestation trees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103323.3A CN107810732B (en) | 2017-11-10 | 2017-11-10 | A pruning ware for urban afforestation trees |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107810732A CN107810732A (en) | 2018-03-20 |
| CN107810732B true CN107810732B (en) | 2020-03-17 |
Family
ID=61608902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711103323.3A Active CN107810732B (en) | 2017-11-10 | 2017-11-10 | A pruning ware for urban afforestation trees |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107810732B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2370802A (en) * | 2001-01-05 | 2002-07-10 | Ho Cheng Garden Tools Co Ltd | Expandable tubular body, especially a handle |
| US7774901B1 (en) * | 2007-12-05 | 2010-08-17 | Ho Cheng Garden Tools Co., Ltd. | Retractable handle assembly for tool |
| CN203233742U (en) * | 2013-05-09 | 2013-10-16 | 天佑电器（苏州）有限公司 | Pruning shears |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710349Y (en) * | 2004-05-24 | 2005-07-20 | 苏州协晟金属制品有限公司 | Extension handle of garden tool |
| CN204259477U (en) * | 2014-12-04 | 2015-04-15 | 中国热带农业科学院南亚热带作物研究所 | Branch clipping device |
| CN205694477U (en) * | 2016-04-18 | 2016-11-23 | 袁志贤 | A kind of tree pruner of garden laborsaving, telescopic |
-
2017
- 2017-11-10 CN CN201711103323.3A patent/CN107810732B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2370802A (en) * | 2001-01-05 | 2002-07-10 | Ho Cheng Garden Tools Co Ltd | Expandable tubular body, especially a handle |
| US7774901B1 (en) * | 2007-12-05 | 2010-08-17 | Ho Cheng Garden Tools Co., Ltd. | Retractable handle assembly for tool |
| CN203233742U (en) * | 2013-05-09 | 2013-10-16 | 天佑电器（苏州）有限公司 | Pruning shears |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107810732A (en) | 2018-03-20 |
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Effective date of registration: 20200217 Address after: No. 2, Lane 35, Xi'ao Road, Shuangyu street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Zhan Xiadan Address before: 528000 No. 5, Lijiaxiang Lane, Xihua Village, Wanhua Village Committee, Shiwan Street, Chancheng District, Foshan City, Guangdong Province Applicant before: Huang Deyi |
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Effective date of registration: 20201127 Address after: Zuo BA Xiang Bi Ling Cun, Susong County, Anqing City, Anhui Province Patentee after: Anhui woyuan Biotechnology Co.,Ltd. Address before: No. 2, Lane 35, Xi'ao Road, Shuangyu street, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Zhan Xiadan |
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