CN206005297U - A kind of sickle for high-altitude branch - Google Patents

Abstract

The utility model discloses a kind of sickle for high-altitude branch, including screw rod, cutting base and cutting assembly, cutting assembly includes two support blocks and rotating shaft；Also include upper arm component, upper arm component includes short upper arm bar, long upper arm bar, the first upper arm head and the second upper arm head, also include that the width of curved non-slipping block, the first upper arm head and the second upper arm head on its bending section axis direction is respectively less than width of the non-slipping block on correspondingly axial direction.The setting of spring and the first torsion spring can make way for gear saw blade by the elastic deformation of its own cutting work of the cutting assembly to branch is better achieved.Especially when residual part and the position of cutting part have slightly to misplace, which can be made under the elastic deformation effect of the first torsion spring to carry out small range rotation meet the demand of cutting relative to the second upper arm head by applying external force to long upper arm bar.

Description

A kind of sickle for high-altitude branch

Technical field

This utility model is related to a kind of gardening pruning device, specifically refers to a kind of sickle for high-altitude branch.

Background technology

At present, distribution line going through streets and alleys common phenomenon of become, but distribution line and the trees for urban beautification Between the tree line contradiction that exists day by day deepen, particularly trees on the downside of distribution line.Thus, the trees on the downside of distribution line are repaiied The key for city line safety work is cut into, if leaving its free growth, the own growth of trees is likely to contact To circuit, cause circuit stress damaged or directly result in phase fault, so, can not only cause in the most power supply in city Only, it is also possible to cause fire when serious.Additionally, the high-tension current carried in tree body can injure passing pedestrian, and to maintenance The personal safety of the staff of circuit causes huge threat.Therefore, the trees on the downside of distribution line must be carried out reasonably Prune.Traditional processing mode be before laying-out, manually using the apparatuses such as cutter to the branch on distribution line or Trees are pruned, but such method operational hazards, and the personal safety of staff cannot be guaranteed；Another kind of is by high-altitude Operation Van modifies, and this kind of mode is simple to operate, and safety coefficient is high, but the use cost of high-altitude operation vehicle is high, is suitable for ring Border limitation is high.

Utility model content

The purpose of this utility model is to provide a kind of sickle for high-altitude branch, under fast and easy is to distribution line The trees of side are pruned, and the use range of structure is pruned in increase, it is ensured that the branch for manually treating pruning on the ground is carried out Safety operation.

The purpose of this utility model is achieved through the following technical solutions：

A kind of sickle for high-altitude branch, including screw rod, cutting base and cutting assembly, cutting assembly includes two It is oppositely arranged and is fixed on the support block of cutting base upper surface and the rotating shaft being arranged in two support blocks is rotated by bearing, turns Gear saw blade is arranged with axle, and the lower end of screw rod is arranged with sleeve, and cutting base is run through in the upper end of screw rod, and in the end termination peace Equipped with the bevel gear being located above cutting base, rotating shaft one end termination is provided with the angular wheel being engaged with bevel gear；Also wrap Upper arm component is included, and upper arm component includes that short upper arm bar, length are longer than the long upper arm bar of short upper arm bar, short extension are connected to by spring First upper arm head of armed lever upper end and be connected to the second upper arm head of long upper arm bar upper end by the first torsion spring, the first upper arm head and Second upper arm head is installed on the wall of cutting base side in J-type, short upper arm bar and long upper arm bar, and both are located at tooth respectively The both sides of wheel saw blade, the lower end of the first upper arm head and the second upper arm head bending section are provided with chute, also include curved anti- Slide block, the upper end of non-slipping block are provided with the draw runner that can be engaged with chute and insert in chute, the first upper arm head and the second upper arm Width of the head on its bending section axis direction is respectively less than width of the non-slipping block on correspondingly axial direction.

In this utility model, sleeve can adopt the larger isolation material of intensity, so, can avoid in operation with Injury of the high-tension current to workman and the impact to operating efficiency on trunk.During work, need manually by sleeve and cutting Base is lifted, and the band saw cut adopted in prior art, and the weight of itself is larger, needs to expend when which is lifted Excessive muscle power, increased working strength of the greening arbor when pruning, and the band saw cut for adopting is applied to large-scale branch, When cutting to middle-size and small-size branch, the length with saw is limited to, saw blade is easy to stuck in cut portion.And this reality With new in cutting, gear saw blade is applied to the cutting part of branch, residual part of the second upper arm head suspension in branch, the first extension Arm head is suspended on the reserve part of branch, and so-called residual part refers to the part that branch is stayed on trunk after the completion of cutting, so-called Reserve part refer to the part for needing to stay on trunk after cutting to cutting part.Using residual part and reserve part to cutting base Hang, not only after cutting is finished cutting base can be avoided to fall with the trunk for cutting down, it is to avoid structure is surprisingly damaged, Improve the safety reliability in operating process；And in whole cutting process, entered by the setting of long upper arm bar and short upper arm bar Row is hung respectively, forms the steady clamping to branch, so as to can further realize steady work done of the cutting assembly to branch.Its In, the setting of spring and the first torsion spring can make way for gear saw blade by the elastic deformation of its own cutting group is better achieved Cutting work of the part to branch.Especially when residual part and the position of cutting part have slightly to misplace, can be by long upper arm bar Applying external force makes which under the elastic deformation effect of the first torsion spring carry out small range rotation to meet cutting relative to the second upper arm head Demand.

Wherein, by the setting of non-slipping block, non-slipping block can be enable to fit on the outer circle wall of residual part and reserve part.Anti- The width of slide block is arranged and can increase its contact area between residual part and reserve part, it is to avoid the cutting base in fixed point cutting There is non-directional to swing, reduce the occurrence probability of security incident.In addition, by the setting of draw runner and chute, can be residual according to branch Position relationship between portion and cutting part and reserve part and residual part is stayed to hang to adjust the relative first upper arm head of non-slipping block and second The position of arm head, so, can enable non-slipping block preferably to provide a supporting role power and cutting part be done work in order to gear saw blade.

For increasing non-slipping block and the frictional force between branch residual part and reserve part, further, under the non-slipping block End cambered surface is provided with a plurality of raised line arranged along its bending section bending direction.Thus, a plurality of raised line is then common with the lower camber side of non-slipping block With forming asperities, and the setting along bending section bending direction can ensure that the first upper arm head and the second upper arm head can edges respectively While its bending section bending direction is rotated, it is to avoid which affects the support to cutting base to other direction skews.

For realizing the installation of short upper arm bar and long upper arm bar on cutting base, further, the short upper arm bar and institute Long upper arm bar is stated by coupling assembly on the side wall of the cutting base, coupling assembly includes being rotatably arranged on described Minor arc plate on cutting base and be fixed on cutting base and the backing pin through minor arc plate, short upper arm bar and long upper arm bar interior Side is provided with link slot, and the free end of minor arc plate is connected in link slot by the second torsion spring.In this utility model, first is hung Arm head is suspended on the reserve part of branch, by the second upper arm head suspension in the residual part of branch, as minor arc plate can be in cutting Freely rotate on base, thus removable cutting base causes gear saw blade to be just directed at cutting part, thus, then can achieve to cutting Cut the stable suspension of base.

For ease of realize cutting base to the locking of upper arm module position with separate, further, also include being fixed on institute State cutting base and be provided with two ratchets, two ratchets lower end and the lower end phase of the long upper arm bar respectively with the short upper arm bar Engagement.Artificial promotion sleeve causes gear saw blade to start to cut trunk so that short upper arm bar and long upper arm bar are subject to a court To the active force of gear saw blade, at this moment, the second torsion spring stress causes short upper arm bar and the lower end of long upper arm bar to be separated with ratchet, Thus, removable cutting base cuts the cutting part of branch in order to gear saw blade；During gear saw blade cuts for some reason When barrier or staff need rest, gear saw blade stops the cutting to cutting part, and the second torsion spring stress disappears and causes short extension The lower end of armed lever and long upper arm bar is engaged again with ratchet, thus, suspension status of the upper arm component to trunk can be then remained, Avoid cutting base from falling and cause security incident.

This utility model compared with prior art, has the following advantages and advantages：

1st, in this utility model, using the suspension of residual part and reserve part to cutting base, not only can after cutting is finished Cutting base is avoided to fall with the trunk for cutting down, it is to avoid structure is surprisingly damaged, the safety improved in operating process can By degree；And in whole cutting process, hung by the setting of long upper arm bar and short upper arm bar respectively, formed to branch Steady clamping, so that can further realize steady work done of the cutting assembly to branch.

2nd, the setting of spring and the first torsion spring can make way for gear saw blade with preferably real by the elastic deformation of its own Existing cutting work of the cutting assembly to branch.Especially when residual part and the position of cutting part have slightly to misplace, it is right to pass through Long upper arm bar apply external force make its relative second upper arm head under the elastic deformation effect of the first torsion spring carry out small range rotation with Meet the demand of cutting.

3rd, in this utility model, by the setting of draw runner and chute, can be according to branch residual part and cutting part and reserve part Position relationship between residual part so, can be made with adjusting the position of the relative first upper arm head of non-slipping block and the second upper arm head Obtain non-slipping block power can be preferably provided a supporting role in order to gear saw blade to cutting part acting.

4th, in this utility model, when during gear saw blade cuts, barrier or staff need rest for some reason, tooth Wheel saw blade stops the cutting to cutting part, and the second torsion spring stress disappears and causes lower end and the ratchet weight of short upper arm bar and long upper arm bar New engage, thus, can then remain the suspension status of long upper arm bar and short upper arm bar to trunk, it is to avoid cutting base fall and Cause security incident.

Description of the drawings

Accompanying drawing described herein is used for providing further understanding this utility model embodiment, constitutes the one of the application Part, does not constitute the restriction to this utility model embodiment.In the accompanying drawings：

Fig. 1 is a kind of structural representation of one specific embodiment of sickle for high-altitude branch described in the utility model Figure；

Fig. 2 is cutting base and one, long upper arm bar in a kind of sickle for high-altitude branch described in the utility model The structural representation of specific embodiment；

Fig. 3 is that long upper arm bar and the second upper arm are first in a kind of sickle for high-altitude branch described in the utility model The structural representation of individual specific embodiment；

Fig. 4 is that ratchet and minor arc plate one are concrete real in a kind of sickle for high-altitude branch described in the utility model Apply the structural representation of example；

Fig. 5 is one specific embodiment of antiskid plate in a kind of sickle for high-altitude branch described in the utility model Structural representation.

Labelling and corresponding parts title in accompanying drawing：1st, sleeve, 2, cutting base, 3, gear saw blade, 4, upper arm component, 5th, minor arc plate, 6, backing pin, 7, arc-shaped through-hole, 8, ratchet, the 9, second torsion spring, 10, screw rod, 11, rotating shaft, 12, support block, 13, umbrella Gear, 14, non-slipping block, 15, angular wheel, 16, short upper arm bar, the 17, first upper arm head, 18, spring, 19, chute, 20, draw runner, 21st, raised line, 22, long upper arm bar, the 23, first torsion spring, the 24, second upper arm head.

Specific embodiment

For making the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing, The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this Utility model, is not intended as to restriction of the present utility model.

Embodiment 1

As shown in Figures 1 to 5, a kind of sickle for high-altitude branch, including screw rod 10, cutting base 2 and cutting group Part, cutting assembly include two support blocks 12 for being oppositely arranged and being fixed on 2 upper surface of cutting base and rotate by bearing setting The rotating shaft 11 being placed in two support blocks 12, is arranged with gear saw blade 3 in rotating shaft 11, the lower end of screw rod 10 is arranged with sleeve 1, screw rod Cutting base 2 is run through in 10 upper end, and is provided with the bevel gear 13 above cutting base 2, rotating shaft 11 1 in the end termination End termination is provided with the angular wheel 15 being engaged with bevel gear 13；Also include that upper arm component 4, upper arm component 4 include short upper arm Bar 16, length is longer than the long upper arm bar 22 of short upper arm bar 16, is connected to the first upper arm of short 16 upper end of upper arm bar by spring 18 17 and the second upper arm 24 of long 22 upper end of upper arm bar, the first upper arm 17 and the second upper arm is connected to by the first torsion spring 23 24 are installed on 2 side wall of cutting base in J-type, short upper arm bar 16 and long upper arm bar 22, and both are located at tooth respectively The both sides of wheel saw blade 3, the lower end of 24 bending section of the first upper arm 17 and the second upper arm is provided with chute 19, also includes in arc The non-slipping block 14 of shape, the upper end of non-slipping block 14 are provided with the draw runner 20 that can be engaged with chute 19 and insert in chute 19, and first The width of upper arm 17 and the second upper arm 24 on its bending section axis direction is respectively less than non-slipping block 14 in correspondingly axial direction side Width upwards.

In this utility model, the isolation material that sleeve 1 can adopt intensity larger so, can be avoided in operation With injury of the high-tension current on trunk to workman and the impact to operating efficiency.During work, needs manually by sleeve 1 and are cut Cut base 2 to lift, and the band saw cut adopted in prior art, the weight of itself is larger, the needs when which is lifted Excessive muscle power is expended, working strength of the greening arbor when pruning is increased, and the band saw cut for adopting is suitable for large-scale Branch, when cutting to middle-size and small-size branch, is limited to the length with saw, and saw blade is easy to stuck in cut portion. And this utility model cutting when, gear saw blade 3 is applied to the cutting part of branch, and the second upper arm 24 is suspended on the residual of branch Portion, the first upper arm 17 are suspended on the reserve part of branch, and so-called residual part refers to that branch is stayed on trunk after the completion of cutting Part, so-called reserve part refers to the part for needing to stay on trunk after cutting to cutting part.Using residual part and reserve part Suspension to cutting base 2, not only after cutting is finished can avoid cutting base 2 from falling with the trunk for cutting down, keep away Exempt from structure to be surprisingly damaged, improve the safety reliability in operating process；And in whole cutting process, by long 22 He of upper arm bar The setting of short upper arm bar 16 is hung respectively, forms the steady clamping to branch, so as to can further realize cutting assembly pair The steady work done of branch.Wherein, the setting of spring 18 and the first torsion spring 23 can make way for gear by the elastic deformation of its own Saw blade 3 is being better achieved cutting work of the cutting assembly to branch.Especially when residual part is had slightly with the position of cutting part During dislocation, its relative second upper arm under the elastic deformation effect of the first torsion spring 23 can be made by applying external force to long upper arm bar 22 24 carry out small range rotates to meet the demand of cutting.

Wherein, by the setting of non-slipping block 14, non-slipping block 14 can be enable to fit in the outer circle wall of residual part and reserve part On.The width of non-slipping block 14 is arranged and can increase its contact area between residual part and reserve part, it is to avoid in fixed point cutting There is non-directional swing in cutting base, reduces the occurrence probability of security incident.In addition, by the setting of draw runner 20 and chute 19, Can be according to branch residual part and the position relationship between cutting part and reserve part and residual part adjusting non-slipping block 14 relative first Upper arm 17 and the position of the second upper arm 24, so, can enable non-slipping block 14 preferably provide a supporting role power in order to Gear saw blade 3 does work to cutting part.

For increasing non-slipping block 14 and the frictional force between branch residual part and reserve part, it is preferable that the non-slipping block 14 Lower end cambered surface is provided with a plurality of raised line 21 arranged along its bending section bending direction.Thus, a plurality of raised line 21 then with non-slipping block 14 Lower camber side is collectively forming asperities, and the setting along bending section bending direction, the first upper arm 17 and the second upper arm can ensured 24 while can rotate along its bending section bending direction respectively, it is to avoid which is affected to cutting base 2 to other directions skews Support.

For realizing the installation of short upper arm bar 16 and long upper arm bar 22 on cutting base 2, it is preferable that the short upper arm bar 16 It is arranged on by coupling assembly on the side wall of the cutting base 2 with the long upper arm bar 22, coupling assembly includes that rotation sets Put the minor arc plate 5 on the cutting base 2 and be fixed on cutting base 2 and the backing pin 6 through minor arc plate 5, short upper arm bar 16 and the inner side of long upper arm bar 22 be provided with link slot, the free end of minor arc plate 5 is connected in link slot by the second torsion spring 9. In the present embodiment, the first upper arm 17 is suspended on the reserve part of branch, the residual that the second upper arm 24 is suspended on branch In portion, as minor arc plate 5 can be freely rotated on cutting base 2, thus removable cutting base 2 causes gear saw blade 3 just Alignment cutting part, thus, then can achieve the stable suspension to cutting base 2.

For ease of realize cutting base 2 to the locking of upper arm module position with separate, it is preferable that also include being fixed on described Cutting base 2 is provided with two ratchets 8, two ratchets 8 respectively with the lower end of the short upper arm bar 16 and the long upper arm bar 22 Lower end is meshed.Artificial promotion sleeve 1 causes gear saw blade 3 to start to cut trunk so that short upper arm bar 16 and long upper arm bar 22 An active force towards gear saw blade 3 is subject to, and at this moment, 9 stress of the second torsion spring causes short upper arm bar 16 and long upper arm bar 22 Lower end be separated with ratchet 8, thus, removable cutting base 2 cuts the cutting part of branch in order to gear saw blade 3；Work as tooth When wheel saw blade 3 hinders during cutting for some reason or staff needs rest, gear saw blade 3 stops the cutting to cutting part, Second torsion spring, 9 stress disappears and the lower end of short upper arm bar 16 and long upper arm bar 22 is engaged again with ratchet 8, thus, can then begin Upper arm component 4 suspension status to trunk is kept eventually, it is to avoid cutting base 2 falls and causes security incident.

Preferably, the central angle of the arc-shaped through-hole 7 is 15 °～60 °.The central angle size of arc-shaped through-hole 7, directly affects To minor arc plate 5 and the slewing area of two upper arm heads, according to the diameter of trunk to be cut, when the central angle of arc-shaped through-hole 7 During less than 15 °, the slewing area of two upper arm heads is too small, and gear saw blade 3 can only cut the trunk of small diameter, causes this practicality new The practicality of type reduces；When the central angle of arc-shaped through-hole 7 is more than 60 °, two upper arm head-turned angles are excessive so that two upper arms Head is clamped on trunk not closely, easily occurs in the feelings of 24 landing of the first upper arm 17 and the second upper arm in cutting process Condition.

Above content is the further description that this utility model is made with reference to specific preferred implementation, it is impossible to recognize Fixed specific embodiment of the present utility model is confined to these explanations.Common skill for this utility model art For art personnel, the other embodiment that draws under without departing from the technical solution of the utility model should be included in this practicality In new protection domain.

Claims (4)

1. a kind of sickle for high-altitude branch, it is characterised in that：Including screw rod (10), cutting base (2) and cutting assembly, Cutting assembly includes two support blocks (12) for being oppositely arranged and being fixed on cutting base (2) upper surface and rotates by bearing setting The rotating shaft (11) being placed in two support blocks (12), is arranged with gear saw blade (3) in rotating shaft (11), the lower end of screw rod (10) is arranged with Sleeve (1), the upper end of screw rod (10) run through cutting base (2), and are provided with above cutting base (2) in the end termination Bevel gear (13), rotating shaft (11) one end termination are provided with the angular wheel (15) being engaged with bevel gear (13)；Also include upper arm Component (4), upper arm component (4) include that short upper arm bar (16), length are longer than long upper arm bar (22) of short upper arm bar (16), pass through bullet Spring (18) is connected to the first upper arm head (17) of short upper arm bar (16) upper end and is connected to long upper arm bar by the first torsion spring (23) (22) the second upper arm head (24) of upper end, the first upper arm head (17) and the second upper arm head (24) are in J-type, short upper arm bar (16) Be installed on the wall of cutting base (2) side with long upper arm bar (22), and both respectively be located at gear saw blade (3) both sides, first The lower end of upper arm head (17) and the second upper arm head (24) bending section is provided with chute (19), also includes curved non-slipping block (14), the upper end of non-slipping block (14) is provided with the draw runner (20) that can be engaged with chute (19) and insert in chute (19), and first The width of upper arm head (17) and the second upper arm head (24) on its bending section axis direction is respectively less than non-slipping block (14) correspondingly Width on axial direction.

2. a kind of sickle for high-altitude branch according to claim 1, it is characterised in that：Non-slipping block (14) Lower end cambered surface is provided with a plurality of raised line (21) arranged along its bending section bending direction.

3. a kind of sickle for high-altitude branch according to any one in claim 1～2, it is characterised in that：Institute State short upper arm bar (16) and long upper arm bar (22) to be arranged on by coupling assembly on the side wall of the cutting base (2), Coupling assembly includes the minor arc plate (5) being rotatably arranged on the cutting base (2) and is fixed on cutting base (2) above and passes through The inner side of the backing pin (6) of minor arc plate (5), short upper arm bar (16) and long upper arm bar (22) is provided with link slot, minor arc plate (5) from It is connected in link slot by the second torsion spring (9) by end.

4. a kind of sickle for high-altitude branch according to claim 3, it is characterised in that：Also include being fixed on described Cutting base (2) is provided with two ratchets (8), and two ratchets (8) are hung with the lower end of short upper arm bar (16) and the length respectively The lower end of armed lever (22) is meshed.