CN204837196U

CN204837196U - Branch pruning shear

Info

Publication number: CN204837196U
Application number: CN201520547178.8U
Authority: CN
Inventors: 彭昳冰
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-07-20
Filing date: 2015-07-20
Publication date: 2015-12-09
Anticipated expiration: 2025-07-20

Abstract

The utility model relates to a branch pruning shear, it is used for pruning pruning shear that the eminence branch used, belongs to horticulture pruning implement technical field, adopts the breakout tongs pattern, uses two movable pulleys and two fixed pulleys, has overcome when holding the handle of a knife and pruning the not enough and hand of the blade stroke too big defect of exerting oneself to the branch. Contain the blade, the blade backup pad, the bottom knife, a spring, fixed pulley no. 1, the lead fixed point one, the handle of a knife, fixed pulley no. 2, the bolt hookup, the dog, the bolt, the lead wire, movable pulley no. 2, the lead fixed point two, fixing of handles point, the handle, force amplifier and movable pulley one, the upper slitter chip bonding is in the blade backup pad, the welding of blade backup pad is in the handle of a knife upper end, be equipped with fixed pulley no. 1 on the handle of a knife, the lead fixed point one, fixing of handles point and lead fixed point no. 2, the dog is connected with the handle of a knife, the bolt is connected with the dog, force amplifier one end articulates the bottom knife, one end hinges the handle of a knife, low price, the operation is thus simple, the branch is pruned to specially adapted small batch volume.

Description

A kind of tree pruner

Technical field

The utility model relates to a kind of pruning shear for pollard, specifically at a kind of pruning shear pruning the use of eminence branch, belongs to gardening pruning fixture technology field.

Background technology

Tree branches can consume a lot of nutrient too much, and unnecessary branch is cut, and will reduce consumption, is conducive to little tree and grows tall; In order to make ornamental trees and shrubs beautiful and clean, more good-looking, often to prune tree branches; Trees, in planting process, will grow a lot of branch every year, if do not pruned, unnecessary branch will be more long, more long closeer, therefore often need to prune branch; When fruit tree catches a disease insect pest time, cut off the branch of falling ill, the destruction of insect pest can be reduced; Further, pluck some fruits, all need pruning shear.The existing scissors pruned trees or pluck fruit, is all generally adopt traditional scissors pattern, holds handle of a knife in use, and hand is firmly too large, for the branch of eminence, prunes inconvenient especially.The utility model adopts pipe wrench pattern, use two movable pulleys, solve gardening pruning field One common difficulty, namely the inadequate shortcoming inadequate with shearing force during pruning eminence branch of scissors length when handle is pruned eminence branch is held, improve prune picker's pollard efficiency, reduce labor strength, low price, simple to operate, be specially adapted to small lot pollard.

Utility model content

The utility model object is to provide a kind of pruning shear for pollard, especially a kind of pruning shear that eminence branch uses is pruned, adopt pipe wrench pattern, use two movable pulleys, solve gardening pruning field One common difficulty, improve the efficiency of prune picker's pollard, reduce labor strength, low price, simple to operate.

The technical solution of the utility model is:

A kind of tree pruner, comprises cutter, blade support plate, bottom knife, spring, fixed pulley one, lead-in wire fixing point one, handle of a knife, fixed pulley two, bolt-connection, block, bolt, lead-in wire, movable pulley two, lead-in wire fixing point two, handle fixing point, handle, force-increasing mechanism and movable pulley one, cutter is welded on blade support plate, blade support plate is provided with chute, blade support plate is welded on handle of a knife upper end, bottom knife is connected with blade support plate by moving sets, and move in the chute of blade support plate, between bottom knife and handle of a knife, spring is housed, handle of a knife is provided with fixed pulley one, lead-in wire fixing point one, handle fixing point and lead-in wire fixing point two, block is connected with handle of a knife by bolt-connection, block has screw thread, and fixed pulley two is installed on bolt top, and bolt is connected with block by screw thread, handle fixing point is hinged in the middle part of handle, handle fixing point is welded on handle of a knife, and lower portion thereof is provided with movable pulley two, and lead-in wire one end is fixed on lead-in wire fixing point one, one end is fixed on lead-in wire fixing point two, and movable pulley one walked around by lead-in wire, fixed pulley one, fixed pulley two and movable pulley two, the hinged bottom knife in force-increasing mechanism one end, the hinged handle of a knife in one end, is equipped with movable pulley one in the middle part of force-increasing mechanism.

Said handle of a knife is hollow pipe, upper end and blade support plate weld together, handle of a knife is provided with fixed pulley one, lead-in wire fixing point one, handle fixing point and lead-in wire fixing point two, lead-in wire top is fixed on lead-in wire fixing point one, lead-in wire walks around movable pulley one and fixed pulley one, block is installed in handle of a knife lower end, block has screw thread, block is connected with handle of a knife by bolt-connection, bolt is connected with block by screw thread, fixed pulley two is installed in bolt upper end, and fixed pulley two and movable pulley two are walked around in lead-in wire bottom, is fixed on lead-in wire fixing point two.

Said force-increasing mechanism forms by two block plates are hinged, the hinged bottom knife of a block plate, the hinged handle of a knife of a block plate, installs movable pulley one in two block plate hinged places, and movable pulley one walked around by lead-in wire.

The beneficial effects of the utility model: the utility model adopts pipe wrench pattern, use two movable pulleys and two fixed pulleys, solve gardening pruning field One common difficulty, overcome and hold the defect that when handle of a knife is pruned branch, blade trip is inadequate and hand is firmly too large, compared with traditional branch scissors, the shearing force obtained at knife-edge part is larger than general branch scissors, and the branch that can cut off is also comparatively thick, increases shearing force; The lengthening of scissors handle of a knife, avoids workman to the upper pollard of tree, ensure that the personal safety of pruning workman, improve operating efficiency, reduce labor strength, low price, simple to operate.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Accompanying drawing is the structural representation of the utility model embodiment.

In figure: 1. cutter, 2. blade support plate, 3. bottom knife, 4. spring, 5. fixed pulley one, 6. go between fixing point one, 7. handle of a knife, 8. fixed pulley two, 9. bolt-connection, 10. block, 11. bolts, 12. lead-in wires, 13. movable pulleys two, 14. lead-in wire fixing point two, 15. handle fixing points, 16. handles, 17. force-increasing mechanisms, 18. movable pulleys one.

Embodiment

A kind of tree pruner, comprises cutter 1, blade support plate 2, bottom knife 3, spring 4, fixed pulley 1, lead-in wire fixing point 1, handle of a knife 7, fixed pulley 28, bolt-connection 9, block 10, bolt 11, lead-in wire 12, movable pulley 2 13, lead-in wire fixing point 2 14, handle fixing point 15, handle 16, force-increasing mechanism 17 and movable pulley 1, cutter is welded on blade support plate, blade support plate is provided with chute, blade support plate is welded on handle of a knife upper end, bottom knife is connected with blade support plate by moving sets, and move in the chute of blade support plate, between bottom knife and handle of a knife, spring is housed, handle of a knife is provided with fixed pulley one, lead-in wire fixing point one, handle fixing point and lead-in wire fixing point two, block is connected with handle of a knife by bolt-connection, block has screw thread, and fixed pulley two is installed on bolt top, and bolt is connected with block by screw thread, handle fixing point is hinged in the middle part of handle, handle fixing point is welded on handle of a knife, and lower portion thereof is provided with movable pulley two, and lead-in wire one end is fixed on lead-in wire fixing point one, one end is fixed on lead-in wire fixing point two, and movable pulley one walked around by lead-in wire, fixed pulley one, fixed pulley two and movable pulley two, the hinged bottom knife in force-increasing mechanism one end, the hinged handle of a knife in one end, is equipped with movable pulley one in the middle part of force-increasing mechanism.

When pruning shear pollard is started working, the branch of required pruning is placed in the middle of cutter and bottom knife, move handle near handle of a knife, movable pulley two is away from handle of a knife, around the lead-in wire on movable pulley two thereupon away from handle of a knife, lead-in wire pulls fixed pulley two to rotate clockwise, pull fixed pulley one to rotate clockwise simultaneously, lead-in wire pulls movable pulley one near handle of a knife, force-increasing mechanism promotes bottom knife and moves up in the chute of blade support plate, bottom knife shifts to cutter, cutter and bottom knife have blade, the shearing force of pruning shear on the lower between knife-blade and cutter blade completes pollard work.After branch cuts off by pruning shear, release handle, under the action of the spring, bottom knife is moved down in the chute of blade support plate by moving sets, bottom knife is away from cutter, and returning to origin-location, movable pulley one is away from handle of a knife, and fixed pulley one rotates counterclockwise, fixed pulley two rotates counterclockwise thereupon, lead-in wire pulls movable pulley two near handle of a knife, and handle resets, and pruning shear completes a working cycles.

Said handle of a knife is hollow pipe, upper end and blade support plate weld together, handle of a knife is provided with fixed pulley one, lead-in wire fixing point one, handle fixing point and lead-in wire fixing point two, lead-in wire top is fixed on lead-in wire fixing point one, lead-in wire walks around movable pulley one and fixed pulley one, block is installed in handle of a knife lower end, block has screw thread, block is connected with handle of a knife by bolt-connection, bolt is connected with block by screw thread, movable pulley two is installed in bolt upper end, and fixed pulley two and movable pulley two are walked around in lead-in wire bottom, is fixed on lead-in wire fixing point two.

When pruning shear pollard is started working, move handle near handle of a knife, movable pulley two is away from handle of a knife, around the lead-in wire on movable pulley two thereupon away from handle of a knife, lead-in wire walks around fixed pulley two, fixed pulley one, and pull movable pulley one near handle of a knife, bottom knife is moved up in the chute of blade support plate by moving sets, bottom knife shifts to cutter, completes pollard work.Pruning shear, before starting working, is screwed into the tensioning degree of the depth adjustment lead-in wire of block by bolt.

When pruning shear pollard is started working, move handle near handle of a knife, lead-in wire pulls movable pulley one near handle of a knife, movable pulley one drives force-increasing mechanism near handle of a knife, promote bottom knife to move up in the chute of blade support plate, bottom knife shifts to cutter, and pruning shear completes tree trimming work.Movable pulley one and movable pulley two can reduce the shearing force carried out self cleavage branch and be subject to respectively, reach reinforcement object.

Claims

1. a tree pruner, is characterized in that comprising cutter (1), blade support plate (2), bottom knife (3), spring (4), fixed pulley one (5), lead-in wire fixing point one (6), handle of a knife (7), fixed pulley two (8), bolt-connection (9), block (10), bolt (11), lead-in wire (12), movable pulley two (13), lead-in wire fixing point two (14), handle fixing point (15), handle (16), force-increasing mechanism (17) and movable pulley one (18), cutter (1) is welded on blade support plate (2), blade support plate (2) is welded on handle of a knife (7) upper end, bottom knife (3) is connected with blade support plate (2), and handle of a knife (7) is provided with fixed pulley one (5), lead-in wire fixing point one (6), handle fixing point (15) and lead-in wire fixing point two (14), block (10) is connected with handle of a knife (7), bolt (11) is connected with block (10), handle (16) is hinged on handle fixing point (15), handle fixing point (15) is welded on handle of a knife (7), handle (16) bottom is provided with movable pulley two (13), lead-in wire (12) is fixed on lead-in wire fixing point one (6) and lead-in wire fixing point two (14), and movable pulley one (18) walked around by lead-in wire (12), fixed pulley one (5), fixed pulley two (8) and movable pulley two (13), the hinged bottom knife in force-increasing mechanism (17) one end (3), the hinged handle of a knife in one end (7), is equipped with movable pulley one (18) in the middle part of force-increasing mechanism.

2. a kind of tree pruner according to claim 1, it is characterized in that said handle of a knife (7) is hollow pipe, upper end and blade support plate (2) weld together, handle of a knife (7) is provided with fixed pulley one (5), lead-in wire fixing point one (6), handle fixing point (15) and lead-in wire fixing point two (14), and block (10) is connected with handle of a knife (7).

3. a kind of tree pruner according to claim 1, it is characterized in that said force-increasing mechanism (17) forms by two block plates are hinged, the hinged bottom knife of one block plate (3), the hinged handle of a knife of one block plate (7), install movable pulley one (18) in two block plate hinged places, movable pulley one (18) walked around by lead-in wire (12).