CN2299441Y

CN2299441Y - Pruning and picking apparatus

Info

Publication number: CN2299441Y
Application number: CN 97214364
Authority: CN
Inventors: 曹建平
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-05-06
Filing date: 1997-05-06
Publication date: 1998-12-09
Anticipated expiration: 2007-05-06

Abstract

The utility model relates to a pruning and picking apparatus. A picking rod is hinged with a differential shears pliers mechanism, a moveable shears piece, a fixed shears piece, a fixed pincers piece and a moveable pincers piece are orderly arranged on a shears pliers frame in an overlapping mode, the moveable shears piece and the moveable pincers piece are connected and pulled by two steel wires and are connected to two force application points of a differential lever, A third force application point of the differential lever is connected to a resistance force end of a handle lever by steel wires, when a handle is wrenched, the movable shears piece is driven by the steel wires through the differential lever and is horizontally moved, when the shears pieces and the pliers pieces touch tree branches, the pliers pieces are not move, force is feed back to the differential lever, the corresponding force application point can be became a fulcrum, when the differential lever is sloped, pulling actions of the shears pieces can be continuous, the tree branches can be cut off, and the differential action of shears and pincers can be realized.

Description

Pruning and picking apparatus

The instrument that the utility model relates to a kind of pruning, plucks a plant.Fruit that can be used to pluck a plant or pruning branch.

More existing harvestings or beta pruning instrument generally only have the function of cutting off (as scissors), when being used for fruit-picking, directly do not fall for making the fruit of being cut, and need both hands or utensil to cooperate and catch, and it is convenient inadequately therefore to use in the occasion of certain operations inconvenience.

The CN2087866N patent disclosure a kind of beta pruning rifle that can cut off simultaneously with clamping branch or carpopodium.This beta pruning rifle has the Long Barrel of a 0.3-0.5M, to adapt to high-rise working.Under gun barrel pikestaff is housed, the cocking mechanism that slide block wherein is housed and affects slide block to move backward has pull bar to be connected with slide block in the gun barrel.The gun barrel front end is equipped with beta pruning, the clamping device that is affected by pull bar, and the beta pruning clamping device has former and later two blades, and back blade is fixed on that the front end of gun barrel is motionless, and preceding blade is fixed on the front rest, and front rest is connected with pull bar, can move with pull bar.When pulling trigger, blade moved backward before pull bar drove, and is tangent staggered with the back blade, finishes shear action.On forward and backward two blades, front plate and rear plate are housed respectively, two clamping plate are by spring-loaded, two clamping plate phase mutual edge distances are not levied apart from identical with forward and backward cutter when stressing, before blade when moving, drive front plate and move, to two blades when tangent, two clamping plate are adjacent to, when two blades interlocked, two clamping plate compression support spring clamped branch or the carpopodium of being cut by switchblade.There is following deficiency in this patent:

1, the clamping plate of clamping device are to be fixed on the blade by spring, and clamp and blade do not have direct differential relation, and the grip of the size of chucking power and handle does not have direct relation yet, and clamp is to clamp by spring force to be cut a handle, so the reliability of clamping is low.

2, adopt and to add Long Barrel and pikestaff formula structure, pull bar in a tubular form and be arranged in the gun barrel, the cutting nippers mouth is outside barral of a gun, its active orientation is restricted, seek branch inconvenience, easily hinder fruit, and structure is complicated, underaction.

The purpose of this utility model: provide that a kind of while tool is cut off, the pruning of holding function, picking device, shear with clamp differentially, chucking power is controlled, and clamping is reliable, and cutting nippers mouth active orientation scope is big, flexible and convenient to use, does not hinder fruit.

The purpose of this utility model is to realize by following technical scheme.

A hinged cutting nippers frame on a picking lever that can extend overlappingly in the cutting nippers frame is equipped with active cutter plate, decides snip, clamps sheet and active clamp plate surely.Have spacing slotted hole on active cutter plate and the active clamp plate, penetrate spacing by shop bolt.Decide snip and clamp sheet surely then to be fixed on the cutting nippers frame by shop bolt.Make active cutter plate can decide snip translation in spacing slotted hole length range relatively like this, form scissors.Active clamp plate also can clamp the sheet translation relatively surely, forms clamp.Have cutting edge on each snip, each clamps and has jaw on the sheet, and cutting edge and the position of jaw should guarantee to cut after the assembling, jaw position overlaps.Active cutter plate is connected by two steel wires respectively with active clamp plate and affects, withstand a back-moving spring simultaneously, after steel wire penetrates the pilot hole of forward and backward location plate washer, enter in the picking lever chamber and be connected with a differential lever, three points of force application are arranged on the differential lever, be positioned at and connect the steel wire that affects active cutter plate, active clamp plate on two application points on both sides, connect a steel wire initiatively on the middle application point, initiatively the other end of steel wire links to each other with the resistance end of tiller, and tiller is by the hinge support on the picking lever.When pulling handle, pulling force passes on the differential lever by the active steel wire, and pulling is moving cuts, clamps sheet and move simultaneously, cuts, clamps a handle, owing to do not have cutting edge on the pincers sheet, then clamp sheet and clamp behind the branch no longer mobilely, feed back to differential lever, make that corresponding point of force application becomes new fulcrum on the lever by steel wire, differential lever tilts around fulcrum under the active force effect, pull on the active cutter plate translation, until cutting off branch, realization is manual cut, clamp is directly differential.

Above-mentioned cutting nippers frame is a tubular type cutting nippers frame, and its side has the concave shear jaw, and branch slides along on the cutting nippers frame, can fall into the cutting nippers mouth easily.There is a cutting nippers dividing plate centre as clamping sheet surely, and is moving, decide snip and be contained in the dividing plate upper strata, and active clamp plate is contained in dividing plate (promptly clamping sheet surely) lower floor.

Be with guide pipe on the above-mentioned steel wire section that penetrates between forward and backward location-plate.

Above-mentioned differential lever can be a movable pulley, and two stay cords on its wheel rim are connected with affecting the moving steel wire of cutting, clamp sheet respectively, connect the active steel wire that links to each other with tiller resistance end on the wheel shaft.

Effect of the present utility model: differential lever drives is moving cuts, clamps sheet and realize directly differential under the manual power making chucking power corresponding with manual power that clamping is reliable, has done the fruit harvest experiment, and fruit-picking is accomplished to pluck safely to put owing to adopt.

In addition, adopt picking lever and tubular type cutting nippers frame hinged, but knuckle degree during operation, the concave shear jaw is arranged on the cutting nippers frame, and it is convenient, flexible to catch branch, is suitable for the operation in multiple orientation.

Below in conjunction with accompanying drawing the utility model is described in detail:

Fig. 1 is the utility model structural representation;

Fig. 2 is active cutter plate planform figure;

Fig. 3 decides snip planform figure;

Fig. 4 is active clamp plate planform figure;

Fig. 5 is the utility model outline drawing.

Embodiment 1: as shown in Figure 1, this picking device, a hinged tubular type cutting nippers frame 1 on a lengthening picking lever 16, its front end side has concave shear jaw 6, is used to catch branch.The cutting nippers frame is divided into upper and lower layer by a horizontal cutting nippers dividing plate 4.The upper strata is overlapping successively is equipped with active cutter plate 2 and decides snip 3, its leading flank has concave shear cutting edge 19 (seeing Fig. 2, Fig. 3), the active cutter plate rear portion has spacing slotted hole 18 (see figure 2)s, decide to have on the snip locating hole 7 (see figure 3)s, shop bolt 8 passes the spacing slotted hole on the active cutter plate, and is spacing to active cutter plate, and will decide snip and be fixed on the cutting nippers frame, make active cutter plate can decide snip translation in spacing slotted hole length range relatively, form scissors.

Adorn an active clamp plate 5 in cutting nippers dividing plate lower floor, the cutting nippers dividing plate is decides the pincers sheet, and each clamps and all has the spill jaw on the sheet.Have spacing slotted hole 18 (see figure 4)s on the active clamp plate, spacing by above-mentioned position-limitting pin 8, make active clamp plate cutting nippers dividing plate (clamping sheet surely) translation relatively, form clamp.

Each snip is connected by the steel wire 21 that is with teleflex 11 respectively on the sheet with pincers and affects, and withstands a back-moving spring 9 simultaneously, and back-moving spring is fixed in the spring groove on the tong holder.The pilot hole of

plate washer

10,12 was connected with a differential lever 15 in the picking lever chamber before and after steel wire 21 penetrated.Differential lever is an integrated member, and three points of force application are arranged.Be in and connect the steel wire 21 that affects active cutter plate and active clamp plate on two application points on both sides, connect a steel wire 13 initiatively on the middle application point, the other end of upright moving steel wire links to each other with the resistance end of tiller 17, and tiller is by 22 supports of the hinge on the picking lever.

The operating principle of this picking device: when the power end of pulling handle 17, the pulling force that is amplified by lever passes to differential lever 15 by active steel wire 13; Affect steel wire 21, pulling active cutter plate 2 and active clamp plate 5 translations simultaneously are until cutting and vise the plant branch handle.This moment, back-moving spring 9 also was compressed.When continuing firmly, because pincers sheet upper jaw is no cutting edge, then jaw is clamped no longer translation of branch, returned by the steel wire that leads active clamp plate and to be fed to differential lever 15, make that corresponding stress point becomes new fulcrum on the lever, lever is under the active force effect, tilt around new fulcrum, pull on the active cutter plate translation,, realized the directly differential of manual control until cutting off branch at the cutting edge place.After the branch handle was cut off, active force did not remove, and (continuing to pin handle) clamp then continues the branch that clamping is cut by manual power, puts to the safe place.After handle unclamps, will move by back-moving spring and to cut, to clamp sheet and reset to original position.

Embodiment 2: the differential lever among the embodiment 1, and with a movable pulley mechanism, two stay cords on its wheel rim are connected with affecting the moving guiding principle silk of cutting, clamp sheet respectively, connect initiatively guiding principle silk on the wheel shaft, and initiatively steel wire links to each other with the resistance end of tiller.When pulling handle, the movable pulley pulling is moving cuts, clamps the sheet translation, after vising branch, affects steel wire motionless accordingly, and the edge forms new fulcrum, the pulley run-off the straight, and the steel wire at another edge of pulley pulls on the active cutter plate action.

Claims

1, a kind of Pruning and picking apparatus includes: picking lever that can extend and cutting nippers mechanism, be equipped with in the cutting nippers mechanism moving, decide snip and pincers slice, it is characterized in that:

(1) a hinged cutting nippers frame on picking lever, overlapping on the cutting nippers frame active cutter plate is housed, decides snip, fixed, pincers sheet and active clamp plate, wherein have spacing slotted hole on active cutter plate, the active clamp plate, it is spacing to penetrate slotted hole by shop bolt, makes it can translation in the slotted hole length range, decide snip and clamp sheet surely and fix on each snip by shop bolt and have cutting edge, pincers have jaw on the sheet, after the shape of cutting edge and jaw, position should guarantee assembling, cut, jaw position overlaps.

(2) active cutter plate and active clamp plate are affected by the connection of two steel wires respectively, withstand a back-moving spring simultaneously, after steel wire penetrates the pilot hole of forward and backward location-plate, be connected with the differential lever in the picking lever chamber, three points of force application are arranged on the differential lever, wherein connect on two points of force application on the both sides to affect and move the steel wire of cutting, clamp sheet, connect an active steel wire on the middle point of force application, initiatively the other end of steel wire links to each other with the resistance end of tiller, and tiller is by the hinge support on the picking lever.

2, Pruning and picking apparatus according to claim 1, it is characterized in that, the cutting nippers frame is a tubular type cutting nippers frame, the front end side has the concave shear jaw, there is a horizontal cutting nippers dividing plate centre, does and decides the pincers sheet, and the dividing plate upper strata is equipped with active cutter plate successively, is decided snip, active clamp plate is equipped with in lower floor, and each snip and pincers have cutting edge mouth and jaw on the sheet and overlap with cutting nippers mouth position after assembling on the cutting nippers frame.

3, Pruning and picking apparatus according to claim 1 is characterized in that: penetrate on the steel wire section between forward and backward location-plate and be with guide pipe.