CN2455058Y - Multifunctional combined pruning shears for tall branches of garden's plants - Google Patents

Abstract

The utility model discloses a combined pruning tool with functions of shearing, cutting, sawing and shoveling for pruning tall branches, specially for pruning branches of garden stumpage. A pair of tall branch shears are composed of a shear head (1) inlaid at the top end of a support rod (5), a small steel wire pull rope (2), a fixed handle (6), a flexible handle (7), a piston type lifting/lowering bearing rod (9), a universal rotary shaft (10) and an accompanied bearing base (11). A tall branch sickle and a high branch saw are composed of a multifunctional sickle head and a bend saw provided with a safety hook, wherein, the multifunctional sickle head and the bend saw are respectively inlaid at the top end of the support rod (5). An operator can use different combined cutting tools according to the different thickness and height of branches which need shearing, and can finish the operation of shearing tall branches by standing on ground.

Description

Multifunction combined gardens branches of tall trees cutting tool

The utility model relates to a kind of cutting tool, in particular for the multifunction combined branches of tall trees cutting tool of gardens standing tree delimbing.

Branch pruning work in the orchard, the standing tree delimbing work in the forest farm and the typing finishing process in the gardening of city, the capital runs into the problem that needs to shear branches of tall trees, this just needs a kind of suitable cutter, can cut off branches of tall trees effectively, have the characteristics that make things convenient for economy, highly effective and safe again, and along with the continuous expansion of China's green coverage, planting fruit trees area and improving constantly of city gardening integer level, this demand will constantly enlarge.Yet also lack this cutting tool in the market, existing cutting tool mainly is short in scissors, reaping hook and saw, they have a common feature, the height of Jian Qieing generally is no more than 2 meters because of the restriction that is subjected to operator's height exactly, so that when needs are pruned higher branch, the operator has to by ladder or the free-hand height of tree place of climbing, with loose mail cutting tool commonly used, as lacking scissors, reaping hook and handsaw etc. carry out operation, so both inefficiencies, poor stability is difficult to satisfy numerous forest workers again, orchard worker and horticulture person's requirement was once done play-by-play to 2 in this central TV the first half of the year in 1999.

China's utility model patent specification 97201987 discloses a kind of combined type Tree chain saw, this saw is used as power with gasoline engine or electromotor, the end cap of gasoline engine or electromotor is fastening with flexible pipe (or hard tube) with bolt, output shaft is connected with flexible pipe (or hard tube), other has tube connector and the connecting axle can more piece spreading hard tube and hard axle, the summit connects the bevel gear assembly, uses the bolt chain saw guide plate again, and bevel gear assembly output shaft dress chain saw guide wheel and saw chain are locked with friction top.But support charge of oil kettle is arranged.Handgrip part has " throttle " control handle and " Stop " button.In addition, China's utility model specification 92209097 discloses a kind of hydraulic pressure hanging mechanical pruning car, this hydraulic pressure hanging mechanical pruning car is to install a training head on truck crane upper arm front end horizontal stand additional, it can adjust operating angle by hydraulic drive, can make cutter rotation and sends to simultaneously and carry out, it has two cover controlling organizations, promptly bucket is gone up control panel on control panel and the car, can realize the manual remote control head operation exactly of pruning in the air, also can skyborne work bucket in operation control.From above disclosed specification situation, though previous designer has proposed to shear the different technologies scheme of branches of tall trees, but the shearing tool with these technical scheme manufacturings all has a common feature, promptly all with machine power as cutting force, the complex structure that causes thus, cost height, operation easier is big and problem such as use cost height, has just become the major reason that they are difficult to popularize.

The purpose of this utility model provides and a kind ofly is applicable to gardens standing tree delimbing, need not be equipped with machine power, has the multifunction combined branches of tall trees cutting tool that makes things convenient for economy, highly effective and safe characteristics.

For achieving the above object, the technical scheme that the utility model provides is: will have the toolbox of multiple function, and by different compound modes, be combined into high skill scissors, branches of tall trees reaping hook and Gao Zhiju, and be exactly specifically:

Branches of tall trees scissors: the top that scissors bit is set in strut, the bottom of strut then studs with fixed handle, flexible handle and piston type lifting bearing bar, the bottom of piston type lifting bearing bar then studs with universal rotating shaft, the plug of universal rotating shaft is inserted in the jack of carry-on load-bearing pedestal, little steel wire tow line is connected handle by the strut mesopore with shear arm, according to the difference of scissors bit, the branches of tall trees scissors is divided into two kinds:

A kind of is single armed interlock type branches of tall trees scissors, promptly an arm of scissors bit is fixed on the top of the long strut of tubulose, and on it, load onto one and turn to fixed pulley, little steel wire tow line then is equipped with in the lower end of another arm, little steel wire tow line links to each other with the little steel wire rope drag-line of handle traction by turning to fixed pulley and strut mesopore, utilizes lever principle, and the operator is below strut, by fixed handle and flexible handle are implemented closed procedure, can cut off thinner branches of tall trees.In addition under the situation that adopts straight strut, big or highly less as the strut bending strength, little steel wire tow line also can be after walking around shear arm and turning to fixed pulley, along the outer wall of tubulose strut, from top to bottom directly be fixed on flexible handle on little steel wire rope drag-line link to each other.

Another kind then is both arms interlock type branches of tall trees scissors, the last rotating shaft that is about to scissors bit two arms is fixed on the top of scissors bit handle, by the little steel wire tow line in the handle pulling scissors handle, and then the interlock plate of tractive scissors bit both sides, make two arms of scissors bit make closing motion, thereby cut off thinner branches of tall trees around fixing last rotating shaft.

The handle design of branches of tall trees scissors has two kinds: a kind of is crank handle, and promptly fixed handle and flexible handle all are crooked: another kind then is upright handle, and promptly fixed handle and flexible handle all are upright.

Piston type lifting bearing bar is made up of bearing bar, cylinder sleeve, spring and sealing ring four major parts, according to the difference of bearing bar, is divided into elbow piston type lifting bearing bar and straight peen piston type lifting bearing bar.Under the situation higher at branches of tall trees scissors strut, that weight is bigger, the universal rotating shaft plug of piston type lifting bearing bar bottom will be set in, be inserted in the jack of carry-on load-bearing pedestal, make the weight of branches of tall trees scissors be added on operator's the body by pedestal, universal rotating shaft can all around rotated in 90 scopes of spending continuously, therefore both can guarantee with piston type lifting bearing bar that the operator can carry out omnibearing operation, the fatigue strength of operator's both arms can be alleviated again, the free lifting height of branches of tall trees scissors can also be regulated.Branches of tall trees scissors strut as combination is shorter, weight is lighter, then detachable lower piston formula lifting bearing bar, and direct holding decides handle and flexible handle is sheared operation.

Branches of tall trees reaping hook: a multi-functional reaping hook head is housed on the top of long strut, the below edge of reaping hook head is crescent, the cutting operation that can have the reaping hook feature downwards, the edge of top then is the anti-figure of three that side falls to open, upwards the shovel that can have the perching knife feature cuts operation, the side then studs with and is slow arc or upright saw blade, the sawing operation that can have the wood saw feature.Be handle with the strut like this, can cut downwards, upwards can shovel, can saw, just can cut off higher, thicker branch easily to side.

Gao Zhiju: loading onto the saw head that has safety hook on the top of long strut, is handle with the strut, promptly is combined into Gao Zhiju.The saw head is made up of elbow saw blade, safety hook and fixed axis, hold-down nut etc., can be used for the thick branches of tall trees of sawing.

Above-described branches of tall trees scissors, branches of tall trees reaping hook and Gao Zhiju, they promptly can be used in combination separately, can be used as the part of entire combination cutting tool again, utilize same strut to be used in combination, the time spent all can not be kit form and is contained in the tool box, the on-the-spot again assembling of unpacking of time spent.

Multifunction combined branches of tall trees cutting tool according to technique scheme designs and produces does not need to be equipped with dynamic power machine, and the operator need not use the climbing instrument yet, stands in just can cut on the ground or the branches of tall trees of sawed-off different thicknesses, and is promptly convenient economical, safe and efficient again.

, be described in further detail embodiment of the present utility model-multifunction combined gardens branches of tall trees cutting tool below in conjunction with accompanying drawing:

Fig. 1 is a single armed interlock type branches of tall trees scissors schematic diagram.

Fig. 2 is a both arms interlock type scissors bit front view.

Fig. 3 is the end view of Fig. 2 both arms interlock type scissors bit handle.

Fig. 4 is curved formula handle vertical view.

Fig. 5 is an elbow piston type lifting bearing bar internal structure schematic diagram.

Fig. 6 is carry-on load-bearing pedestal schematic diagram.

Fig. 7 is straight formula handle and straight peen piston type lifting bearing bar schematic diagram.

Fig. 8 is a branches of tall trees reaping hook schematic diagram.

Fig. 9 is a Gao Zhiju head schematic diagram.

Figure 10 is a high skill saw vertical view.

Figure 11 is the left view of Figure 10 elbow saw blade.

Figure 12 is the right view of Figure 10 safety hook.

Fig. 1 is a single armed interlock type branches of tall trees scissors schematic diagram.One arm of single armed interlock type scissors bit 1 is fixedly connected by nut adapter sleeve 4 and the long strut of being made up of the contour hard tube of more piece 5, and be equipped with one in this fixed arm one side and turn to fixed pulley 3, little steel wire tow line 2 is equipped with in the lower end of another lever arm, and little steel wire tow line 2 links to each other with the little steel wire rope drag-line 8 of fixed handle 6 and flexible handle 7 common tractions by the mesopore that turns to fixed pulley 3 and strut 5.The differing heights that the length of little steel wire tow line 2 can make up according to strut 5 has different models, and the time spent then directly installs by the corresponding model of height of combination, and little steel wire tow line 2 two ends are cast with end socket, are used for fixing.Strut 5 selects for use intensity height, lightweight tubing to make.The top and the handle of elbow piston type lifting bearing bar 9 nestle up the lower end that is set in strut 5, the bottom then studs with universal rotating shaft 10, it can all around rotate in 90 scopes of spending continuously, the plug of universal rotating shaft 10 can be inserted in the jack of carry-on load-bearing pedestal 11, with oneself 11 of load-bearing pedestals utilize waist shoulder harness 12 to be fixed on waist and belly by the operator, by elbow piston type lifting bearing bar 9 and carry-on load-bearing pedestal 11, the weight of branches of tall trees scissors is added on operator's the body, thereby solved the load-bearing problem of single armed interlock type branches of tall trees scissors, the operator is on the ground during operation like this, can carry out omnibearing operation, the fatigue strength of operator's both arms can be alleviated again, higher branch can be cut at an easy rate.If strut 5 makes up shortlyer, lighter, it is little upwards to lift effort, then can lay down elbow piston type lifting bearing bar 9, and directly holding is decided handle 6 and flexible handle 7 is sheared operation.

Fig. 2 is a both arms interlock type scissors bit front view.The last rotating shaft 18 that is about to scissors bit two arms is fixed on the top of scissors bit handle 13, by the little steel wire tow line 2 in the handle pulling scissors bit handle 13, and then affect the interlock plate 15 of both sides by rotating shaft 14, pass through the lower rotary shaft 16 of two arms again by the interlock plate 15 of both sides, two arms of pulling scissors bit, when overcoming back-moving spring 17 resistances, make closing motion around fixed rotating shaft 18, thereby cut off thinner branches of tall trees.Limit post 19 is fixed on the middle and upper part of scissors bit handle 13, with the closed degree of restriction scissors bit two arms, its length so that the complete closure of scissors mouth be as the criterion.With the single armed interlock type scissors bit 1 among both arms interlock type scissors bit replacement Fig. 1, just formed both arms interlock type branches of tall trees scissors.

Fig. 3 is the end view of Fig. 2 both arms interlock type scissors bit handle.Both arms interlock type scissors bit handle 13 usefulness tubing process, its top prong 20 is spaces that both arms interlock type scissors bit fixed rotating shaft is installed, axis hole 21 is used to install and fix rotating shaft 18, back-moving spring hole 22 is the spaces of scissors bit back-moving spring 17 being installed and providing as stretching motion for it, interlock plate displacement aperture 23 is scissors bit interlock plate 15 to be installed and for space that provides is provided for it, the bottom of scissors bit handle then links to each other with strut 5 by nut adapter sleeve 4.

Fig. 4 is curved formula handle vertical view.It is made of two handles, one is fixed handle 6, it is fixedly connected on the tail end of strut 5, another is a flexible handle 7, it can 24 rotate around the shaft, fixed handle 6 and flexible handle 7 are being implemented under the closed situation of exerting oneself, rotating shaft 25 and rotating shaft 26 just promote interlock plate 27 and interlock plate 28 moves downward, again by rotating shaft 29 and rotating shaft 30, promoting little steel wire rope drag-line 8 moves downward, and then affect little steel wire tow line 2 to move downward, thereby just shearing force is delivered to the shear arm on top by little steel wire tow line 2 by little steel wire rope drag-line 8.Wing nut on its medium and small steel wire rope drag-line 8 can be regulated the tightness of little steel wire tow line 2.Because the handle from the scissors bit on top to the bottom has all utilized lever principle, and the length of the light arm of force is the several times of weight arm length, and therefore, the operator just can cut off thinner branches of tall trees by handle with less power.Being positioned at the socket 31 of the preceding bottom of handle, is to inlay elbow piston type lifting bearing bar 9 usefulness.

Fig. 5 is an elbow piston type lifting bearing bar internal structure schematic diagram.Elbow piston type lifting bearing bar is by bearing bar 32, cylinder sleeve 33, spring 34 and sealing ring 35 4 most of compositions, the diameter of bearing bar 32 is less than the internal diameter of cylinder sleeve 33, and be set in by pin hole 36 in the socket 31 of the preceding bottom of handle, the diameter of bearing bar 32 tail ends 37 is then small in the internal diameter of cylinder sleeve 33, be added with machine oil lubricate in a small amount in the cylinder sleeve 33, bearing bar 32 tail ends 37 are provided with ventilation hole, the blow-by of 2 air chambers up and down that forms by it, bearing bar 32 can be done the easy on and off motion in cylinder sleeve 33, the spring 34 main cushioning effects that rise in the cylinder sleeve 33, sealing ring 35 is main to be risen and eliminates bearing bar 32 and cylinder sleeve 33 friction between suitable for reading, and prevent the excessive effect of machine oil in the cylinder sleeve 33, then stud with universal rotating shaft 10 at the afterbody of cylinder sleeve 33.

Fig. 6 is carry-on load-bearing pedestal schematic diagram.Load-bearing pedestal 11 top bases 38 usefulness screws 39 are set on the bearing plate 40 with oneself, and the jack 41 above it is a plug and play type, and the operator can plug or take off the plug of universal rotating shaft 10 at any time according to different operation requirements.By the keyhole 42 and 43 of the left and right sides, the operator can tie up to waist and belly with whole bearing plate 40 with waist, shoulder harness 12.Bearing plate 40 should select hardness big and have certain flexible composite board to make, and its front has wear-resisting, the back side and have the characteristics of absorbing sweat, ventilation, and 38 of pedestals on the load-bearing pedestal 11 should select for use the material that wearability is good, hardness is high to make with oneself.

Fig. 7 is straight formula handle and straight peen piston type lifting bearing bar schematic diagram.Straight formula handle is made up of fixed handle 44 and flexible handle 45, the top of fixed handle 44 links to each other with strut 5 with nut adapter sleeve 4, flexible handle 45 fastens on fixed handle 44 by rotating shaft, and can 46 rotate up and down around the shaft, little steel wire rope drag-line 47 is fixed on the flexible handle 45, the little steel wire tow line 2 of its tractive turns to fixed pulley 48 by what be fixed in the above, link to each other with the shear arm that is installed in strut 5 tops, the lower end of fixed handle 44, then connecting straight peen piston type lifting bearing bar 50 with latch 49, except that bearing bar 51 is straight, other internal structures of straight peen piston type lifting bearing bar 50 are the same with the internal structure of elbow piston type lifting bearing bar shown in Figure 5, and the bottom also studs with universal rotating shaft 10.As for the height of straight peen piston type lifting bearing bar, then should design by the operation requirement of Chinese gay's average height, generally be controlled at about 0.4-0.6 rice.

Fig. 8 is a branches of tall trees reaping hook schematic diagram.This branches of tall trees reaping hook is made up of multi-functional reaping hook head and strut two large divisions, the below of reaping hook head has edge 52, is crescent, and the top also has edge 53, and be side and fall the open anti-figure of three, the outside then studs with screw 54 and is slow arc or upright saw blade 55, and whole reaping hook head links to each other with strut 5 by nut adapter sleeve 4, is handle with strut 5 like this, can cut downwards, upwards can shovel, can saw to side, the operator just can cut off thicker branches of tall trees easily.

Fig. 9 is a Gao Zhiju head schematic diagram.Saw first 56 top in tubular type, stud with limit post 57 and saw cramp 58, edge clips elbow saw blade 59 in the middle of the saw cramp 58, fixed axis 60 passes them, lock with hold-down nut 61 on both sides, the outside of hold-down nut 61, then stud with two safety hooks 62 with the same height of elbow saw blade 59, the outside of safety hook 62 studs with hand-tight nut 63, the outside of the inboard of hand-tight nut 63 and hold-down nut 61 all is convex, the gap that forms between them can guarantee that safety hook 62 can rotate freely, and the effect of limit post 57 is to stop safety hook 62 to clockwise rotate downwards.More than each position component relation can in Figure 10, further be embodied.

Figure 10 is a Gao Zhiju head vertical view.This figure can more clearly reflect the structure situation of Gao Zhiju head, and wherein the pad 64 of saw cramp 58 both sides can guarantee that saw cramp 58 can be embedded on the saw first 56 securely.

Figure 11 is the left view of Figure 10 elbow saw blade: saw blade 59 is designed to elbow, mainly be to prevent from excessively to cause the fall generation of the situation of falling down to the ground of Gao Zhiju because of downward dragsaw, the angle of saw blade head-bent is advisable with 90 degree, the length of sweep is advisable to be no more than 1/3rd of saw sword length part, whole saw blade is beloid, the saw blade afterbody is inserted in the saw cramp 58, and fixed axis 60 passes fixing hole 65, thereby whole saw blade 59 is fixed.

Figure 12 is the right view of Figure 10 safety hook: the direction of safety hook 62 front end bendings is consistent with the direction of saw blade 59 front end bendings, the hook-type that is arcuation or semicircle shape, the height of hook body is consistent with the height of saw blade 59, safety hook stern post 66 is subjected to the restriction of limit inferior post 57, suspension hook can only be gone in the wood with saw blade 59 saws around fixed axis 60 upwards to be rotated counterclockwise, and can not clockwise rotate downwards, when being fallen by the disconnection of saw branch, safety hook 62 near this side of tree can angle whole cutter, thereby preventing that Gao Zhiju from falling with the branch that disconnects falls down to the ground.In specific operation process, according to the difference of environmental condition, the operator also can lay down the safety hook 62 on saw blade 59 both sides, directly carries out operation with elbow saw blade 59.

Certainly; the connection compound mode of strut 5 is not necessarily used the nut adapter sleeve; also can adopt other forms; even do not change into only with a whole strut with the segmentation ways of connecting; the high marline filial generation of also available other tensile strength of little steel wire tow line 2 of pulling scissors closure is replaced, also variable other styles that is changed to of moulding of carry-on load-bearing pedestal 11, and the edge of scissors bit both can be crooked; also can be upright, all these conversion all belong to protection domain of the present utility model.

Claims (6)

1, a kind of multifunction combined branches of tall trees cutting tool that is used for gardens standing tree delimbing, scissors bit or multi-functional reaping hook head or saw head are set in the top of strut with the nut adapter sleeve, form branches of tall trees scissors or branches of tall trees reaping hook or Gao Zhiju, it is characterized in that: described branches of tall trees scissors has single armed interlock type branches of tall trees scissors and both arms interlock type branches of tall trees scissors, the lower end of strut (5) studs with fixed handle, flexible handle and piston type lifting bearing bar, the bottom of piston type lifting bearing bar studs with universal rotating shaft (10), the plug of universal rotating shaft (10) is inserted in the jack of carry-on load-bearing pedestal (11), the edge (52) of described branches of tall trees reaping hook head below is selenodont, the edge (53) of reaping hook head top is the anti-figure of three that side falls to open, the saw blade (55) of slow arcuation or vertical is then used screw (54) to stud with to be in the side, described Gao Zhiju head is the top at tubular type saw first (56), stud with limit post (57) and saw cramp (58), edge clips elbow saw blade (59) in the middle of the saw cramp (58), fixed axis (60) passes them, lock with hold-down nut (61) on both sides, the outside of hold-down nut (61) then studs with two safety hooks (62) with the same height of elbow saw blade (59), the outside of safety hook (62) studs with hand-tight nut (63), and the outside of the inboard of hand-tight nut (63) and hold-down nut (61) all is convex.

2, multifunction combined branches of tall trees cutting tool according to claim 1, it is characterized in that: an arm of the scissors bit (1) of single armed interlock type branches of tall trees scissors is fixed on the top of tubulose strut (5), and be equipped with one in its side and turn to fixed pulley (3), another lever arm then be little steel wire tow line (2), little steel wire tow line (2) is by turning to fixed pulley (3), and the mesopore that passes tubulose strut (5) links to each other with the little steel wire rope drag-line (8) of fixed handle (6) and the common traction of flexible handle (7).

3, multifunction combined branches of tall trees cutting tool according to claim 1, it is characterized in that: an arm of the scissors bit (1) of single armed interlock type branches of tall trees scissors is fixed on the top of tubulose strut (5), and adorn one in its side and turn to fixed pulley (3), another lever arm then be little steel wire tow line (2), little steel wire tow line (2) is by after turning to fixed pulley (3), along the outer arm of strut (5) from top to bottom, through turn to fixed pulley (48) directly be fixed on flexible handle (45) on little steel wire rope drag-line (47) link to each other.

4, multifunction combined branches of tall trees cutting tool according to claim 1, it is characterized in that: both arms interlock type branches of tall trees scissors is the top that the last rotating shaft (18) of scissors bit two arms is fixed on scissors bit handle (13), prong (20) is arranged at scissors bit handle (13) top, have the axis hole (21) corresponding on two side stands with rotating shaft (18), lower opening portion has back-moving spring (17) hole (22), shear arm limit post (19), and the opening (23) that moves up and down of scissors bit interlock plate (15), interlock plate (15) links to each other with the lower rotary shaft (16) of shear arm, both sides interlock plate (15) links to each other with little steel wire rope (2) by rotating shaft (14), little steel wire rope (2) links to each other with the little steel wire rope drag-line (8) of fixed handle (6) and the common traction of flexible handle (7) through strut (5) mesopore.

5, multifunction combined branches of tall trees cutting tool according to claim 1, it is characterized in that: the piston type lifting bearing bar (9) on the branches of tall trees scissors is made up of elbow bearing bar (32), cylinder sleeve (33), spring (34) and sealing ring (35) four major parts, the head of elbow bearing bar (32) has pin hole (36), the diameter of tail end (37) is then small in the internal diameter of cylinder sleeve (33), be provided with ventilation hole above it, the upper and lower 2 air chambers blow-by that in cylinder sleeve (33), forms by it, cylinder sleeve is added with small amount of engine oil in (33), and afterbody then studs with universal rotating shaft (10).

6, multifunction combined branches of tall trees cutting tool according to claim 1, it is characterized in that: the pedestal (38) on the load-bearing pedestal (11) is set on the bearing plate (40) with oneself, have jack (41) above, have vertical braces hole (42) and horizontal braces hole (43) on the bearing plate (40).

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