CN206005292U - A kind of gardening pruning structure - Google Patents

Abstract

The utility model discloses a kind of gardening pruning structure, including screw rod, cutting base and cutting assembly, cutting assembly includes two support blocks and rotating shaft, support block includes bottom, top and spring, gear saw blade is arranged with rotating shaft, cutting base is run through in the upper end of screw rod, and is provided with the bevel gear above cutting base in the end termination, and rotating shaft one end termination is provided with the angular wheel being engaged with bevel gear；Upper arm component includes two Length discrepancies and the upper arm bar in reversed J shape, and two upper arm bar vertical portions are installed in the side wall of cutting base, also include non-slipping block.In this utility model, top is flexibly connected by spring with bottom, and so, top after the applied stress for being subject to gear saw blade to produce starts to push so that spring is constantly compressed or replys deformation, to eliminate the side effect that the vibrations of gear saw blade bring.

Description

A kind of gardening pruning structure

Technical field

This utility model is related to a kind of gardening pruning device, specifically refers to a kind of gardening pruning structure.

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 gardening pruning structure, and fast and easy is to the trees on the downside of distribution line Pruned, the use range of structure is pruned in increase, it is ensured that the branch for manually treating pruning on the ground carries out safety operation.

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

A kind of gardening pruning structure, including screw rod, cutting base and cutting assembly, cutting assembly includes that two are oppositely arranged Support block and rotating shaft, support block includes being fixed on bottom, the top being located above bottom and the two ends of cutting base upper surface The spring being connected with upper and lower respectively, the upper end of bottom are provided with blind hole, are provided with the locating slot of indent on the inwall of blind hole, The lower end on top is provided with the lead column that can be inserted in blind hole, is provided with the side wall of lead column The positioning strip of locating slot, rotating shaft are sequentially passed through two tops and are rotated by bearing and be arranged on two tops, are arranged with teeth in rotating shaft Wheel saw blade；The lower end of screw rod is arranged with sleeve, and cutting base is run through in the upper end of screw rod, and is provided with positioned at cutting in the end termination Bevel gear above base, rotating shaft one end termination are provided with the angular wheel being engaged with bevel gear；Also include upper arm component, hang Arm component includes two Length discrepancies and the upper arm bar in reversed J shape, and two upper arm bar vertical portions are installed in the side wall of cutting base On, and both are located at the both sides of gear saw blade respectively, be provided with flexibility and be adapted with which on the inside of two upper arm rod bending portions Non-slipping block, width of the non-slipping block on upper arm rod bending portion axis direction be more than width of the upper arm bar on the axis 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, and upper arm component is then applied to the residual part of branch and reservation Portion, so-called residual part refer to that the part that branch is stayed on trunk after the completion of cutting, so-called reserve part are referred to cutting The part stayed on trunk is needed after portion's cutting, using the suspension of residual part and reserve part to cutting base so that operator can Cutting action to branch can achieve under less force state.Specifically, longer upper arm bar is suspended on the residual of branch Stay in portion, and shorter upper arm bar is then suspended on the reserve part of branch, thus, not only can avoid cutting bottom after cutting is finished Seat falls with the trunk for cutting down, it is to avoid structure is surprisingly damaged, and improves the safety reliability in operating process；And whole In individual cutting process, upper arm component is hung respectively by the setting of two upper arm bars, forms the steady clamping to branch, from And can further realize steady work done of the cutting assembly to branch.Wherein, non-slipping block is installed on the inside of upper arm rod bending portion, The non-slipping block can be fitted with the outer circle wall of residual part and reserve part.The width of non-slipping block is greater than the width of upper arm bar, enters And increase the contact area between upper arm component and residual part and reserve part, it is to avoid in fixed point cutting, cutting base occurs not Directional swing, reduces the occurrence probability of security incident.

Wherein, when gear saw blade is contacted with cutting part, gear saw blade and cutting base, sleeve can produce violent Vibrations, can cause the hand of operator paralysis phenomenon occur after working long hours.In this utility model, top is passed through with bottom Spring is flexibly connected, and so, top after the applied stress for being subject to gear saw blade to produce starts to push so that spring is constantly pressed Contracting or reply deformation, to eliminate the side effect that the vibrations of gear saw blade bring.Wherein, spring is can be located between top and bottom Region, convenient for drawing materials, spring can select compression spring.In addition, using orderly relative motion between locating slot and positioning strip, The stability of gear saw blade acting can be not only improved, can also avoid top from the displacement in horizontal direction occur, reduction top is with Abrasion between portion.

Preferably, the cone-shaped cavity that bottom is connected with flexible pipe is provided with the middle part of the cutting base, and gear saw Piece local is placed in cone-shaped cavity.Occur the situation generation that wood flour is spilt everywhere when cutting for avoiding gear saw blade, saw in gear Cone-shaped cavity, and the bottom of cone-shaped cavity and soft pipe connection is provided with immediately below piece, the captivation produced using outer fan, Arrange outside the wood flour that quickly cutting can be produced, it is to avoid the wood flour of splashes affects the sight line of operator.

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 the upper arm rod bending portion bending direction.Thus, a plurality of raised line then with non-slipping block Lower camber side is collectively forming asperities, and the setting along upper arm rod bending portion bending direction, can bend along which upper arm bar is ensured While portion's bending direction is rotated, it is to avoid which affects the support to cutting base to other direction skews.

For realizing installation of the upper arm bar on cutting base, further, two upper arm bars pass through coupling assembly On the side wall of the cutting base, coupling assembly includes the minor arc plate being rotatably arranged on the cutting base and is connected Backing pin on cutting base and through minor arc plate, is provided with link slot, the freedom of minor arc plate on the inside of the upper arm bar vertical portion End is connected in link slot by torsion spring.In this utility model, residual part and guarantor that two upper arm bars are suspended on branch respectively Portion is stayed, as minor arc plate can be freely rotated on cutting base, thus removable cutting base causes gear saw blade to be just aligned Cutting part, thus, then can achieve suspension active force of the upper arm component to cutting base.

For ease of realize cutting base to the locking of upper arm module position with separate, further, also include being fixed on institute Ratchet is stated on cutting base and is provided with, the lower end of the upper arm bar vertical portion can be meshed with ratchet.Artificial promotion sleeve is caused Gear saw blade starts to cut trunk so that upper arm bar is subject to an active force towards gear saw blade, and at this moment, torsion spring stress is caused The lower end of upper arm bar vertical portion is separated with ratchet, thus, removable cutting base cuts cutting for branch in order to gear saw blade Cut portion；When during gear saw blade cuts, barrier or staff need rest for some reason, gear saw blade stops to cutting part Cutting, torsion spring stress disappear cause upper arm bar vertical portion lower end engaged with ratchet again, thus, then by the position of upper arm component Put and locked, can so remain suspension status of the upper arm component to trunk, it is to avoid cutting base falls and causes to pacify Full accident.

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 so that operator can compared with Cutting action to branch can achieve under little force state.Cutting base not only can be avoided after cutting is finished with cutting The trunk for coming falls together, it is to avoid structure is surprisingly damaged, and improves the safety reliability in operating process；And in whole cutting process In, upper arm component is hung respectively by the setting of two upper arm bars, forms steady clamping to branch, so as to can be further Realize steady work done of the cutting assembly to branch.

2nd, top is flexibly connected by spring with bottom, and so, top is after the applied stress for being subject to gear saw blade to produce Start to push so that spring is constantly compressed or replys deformation, to eliminate the side effect that the vibrations of gear saw blade bring.Meanwhile, Using orderly relative motion between locating slot and positioning strip, the stability of gear saw blade acting can be not only improved, can also be avoided There is the displacement in horizontal direction in top, reduces the abrasion between top and bottom

3rd, the width of non-slipping block is greater than the width of upper arm bar, and then increases upper arm bar with residual part and upper arm bar and guarantor Stay the contact area between portion, it is to avoid non-directional swing occurs in cutting base in fixed point cutting, reduces the generation of security incident Probability.

4th, when during the cutting of gear saw blade, barrier or staff need rest for some reason, gear saw blade stops to cutting The cutting in portion is cut, torsion spring stress disappears and the lower end of upper arm bar vertical portion is engaged again with ratchet, thus, then by upper arm component Position locked, can so remain suspension status of the upper arm component to trunk, it is to avoid cutting base falls and makes Into 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 gardening pruning structure described in the utility model；

Fig. 2 is one specific embodiment of cutting base and upper arm bar in a kind of gardening pruning structure described in the utility model Structural representation；

Fig. 3 is the structure of a kind of gardening pruning structure middle and upper part described in the utility model and one specific embodiment in bottom Schematic diagram；

Fig. 4 is the knot of one specific embodiment of ratchet and minor arc plate in a kind of gardening pruning structure described in the utility model Structure schematic diagram；

Fig. 5 is the structural representation of one specific embodiment of non-slipping block in a kind of gardening pruning structure described in the utility model Figure.

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, 9, torsion spring, 10, screw rod, 11, rotating shaft, 12, support block, 13, bevel gear, 14th, non-slipping block, 15, angular wheel, 16, upper arm bar, 17, raised line, 18, bottom, 19, top, 20, locating slot, 21, lead column, 22nd, positioning strip, 23, flexible pipe, 24, spring, 25, blind hole, 26, cone-shaped cavity.

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 gardening pruning structure, including screw rod 10, cutting base 2 and cutting assembly, cutting group Part includes that two support blocks 12 being oppositely arranged and rotating shaft 11, support block 12 include the bottom for being fixed on 2 upper surface of cutting base 18th, spring 24 that top 19 and two ends bottom 18 above respectively with top 19 and bottom 18 be connected, the upper end of bottom 18 are located at Blind hole 25 is provided with, the locating slot 20 of indent on the inwall of blind hole 25, is provided with, the lower end on top 19 is provided with can be inserted in blind hole 25 Lead column 21, be provided with the side wall of lead column 21 and coordinate with locating slot 20 and the positioning strip 22 of locating slot 20 is inserted in part,

Rotating shaft 11 is sequentially passed through two tops 19 and is rotated by bearing and is arranged on two tops 19, is arranged with teeth in rotating shaft 11 Wheel saw blade 3；The lower end of screw rod 10 is arranged with sleeve 1, and cutting base 2 is run through in the upper end of screw rod 10, and is provided with the end termination The bevel gear 13 being located above cutting base 2,11 one end termination of rotating shaft 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 two Length discrepancies and the upper arm bar 16 in reversed J shape, two upper arm bars, 16 vertical portion Be installed on the side wall of cutting base 2, and both respectively be located at gear saw blade 3 both sides, two upper arm bars, 16 bending section interior Side is provided with flexibility non-slipping block 14 adaptable with which, width of the non-slipping block 14 on 16 bending section axis direction of upper arm bar It is more than width of the upper arm bar 16 on the axis direction.

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 upper arm component 4 is then applied to the residual of branch Portion and reserve part, so-called residual part refer to that the part that branch is stayed on trunk after the completion of cutting, so-called reserve part refer to The part stayed on trunk is needed to cutting part after cutting, using the suspension of residual part and reserve part to cutting base 2 so that behaviour Making personnel, the cutting action to branch can be can achieve under less force state.Specifically, longer upper arm bar 16 hangs In the residual part of branch, and shorter upper arm bar 16 is then suspended on the reserve part of branch, thus, not only after cutting is finished Cutting base 2 can be avoided to fall with the trunk for cutting down, it is to avoid structure is surprisingly damaged, improve the safety in operating process Reliability；And in whole cutting process, upper arm component 4 is hung respectively by the setting of two upper arm bars 16, it is right to be formed The steady clamping of branch, so that can further realize steady work done of the cutting assembly to branch.Wherein, in 16 bending section of upper arm bar Inner side non-slipping block 14 is installed, the non-slipping block 14 can be fitted with the outer circle wall of residual part and reserve part.Non-slipping block 14 Width is greater than the width of upper arm bar 16, and then increases the contact area between upper arm component 4 and residual part and reserve part, keeps away Exempt from the cutting base 2 in fixed point cutting and non-directional swing occur, reduce the occurrence probability of security incident.

Wherein, when gear saw blade 3 is contacted with cutting part, gear saw blade 3 and cutting base 2, sleeve 1 can produce play Strong vibrations, can cause the hand of operator paralysis phenomenon occur after working long hours.In the present embodiment, top 19 and bottom 20 are flexibly connected by spring 21, and so, top 19 after the applied stress for being subject to gear saw blade 3 to produce starts to push so that Spring 24 is constantly compressed or is replied deformation, to eliminate the side effect that the vibrations of gear saw blade 3 bring.Wherein, spring 24 can position Region between top 19 and bottom 18, convenient for drawing materials, spring 24 can select compression spring.In addition, utilizing locating slot 20 Orderly relative motion between positioning strip 22, can not only improve the stability of the acting of gear saw blade 3, can also avoid top 19 from going out Displacement in existing horizontal direction, reduces the abrasion between top 19 and bottom 18.

Preferably, the middle part of the cutting base 2 is provided with the cone-shaped cavity 26 that bottom is connected with flexible pipe 23, and the tooth 3 local of wheel saw blade is placed in cone-shaped cavity 26.Occur the situation generation that wood flour is spilt everywhere when cutting for avoiding gear saw blade 3, The underface of gear saw blade 3 is provided with cone-shaped cavity 26, and the bottom of cone-shaped cavity 26 is connected with flexible pipe 23, using outside wind The captivation that machine is produced, arranges outside the wood flour that quickly can be produced cutting, it is to avoid the wood flour of splashes affects regarding for operator Line.

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 17 arranged along 16 bending section bending direction of the upper arm bar.Thus, a plurality of raised line 17 then with The lower camber side of non-slipping block 14 is collectively forming asperities, and the setting along 16 bending section bending direction of upper arm bar, upper arm can ensured Bar 16 can be along while its bending section bending direction rotation, it is to avoid which affects propping up to cutting base 2 to other directions skews Support.

For realizing installation of the upper arm bar 16 on cutting base 2, it is preferable that two upper arm bars 16 pass through connection group 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 to part And be fixed on cutting base 2 and the backing pin 6 through minor arc plate 5, link slot is provided with the inside of 16 vertical portion of upper arm bar, bad The free end of arc plate 5 is connected in link slot by torsion spring 9.In the present embodiment, two upper arm bars 16 are suspended on branch respectively Residual part and reserve part, as minor arc plate 5 can be freely rotated on cutting base 2, thus removable cutting base 2 causes tooth Wheel saw blade 3 is just directed at cutting part, thus, then can achieve suspension active force of the upper arm component 4 to cutting base 2.

For ease of realize cutting base 2 to the locking of 4 position of upper arm component with separate, it is preferable that also include being fixed on institute Ratchet 8 is stated on cutting base 2 and is provided with, the lower end of 16 vertical portion of upper arm bar can be meshed with ratchet 8.Artificial promotion sleeve 1 causes gear saw blade 3 to start to cut trunk so that upper arm bar 16 is subject to an active force towards gear saw blade 3, at this moment, turns round 9 stress of spring causes the lower end of 16 vertical portion of upper arm bar and ratchet 8 to be separated, thus, removable cutting base 2 is sawed in order to gear Piece 3 cuts the cutting part of branch；When during gear saw blade 3 cuts, barrier or staff need rest for some reason, gear Saw blade 3 stops the cutting to cutting part, and 9 stress of torsion spring disappears and the lower end of 16 vertical portion of upper arm bar is engaged again with ratchet 8, Thus, then being locked the position of upper arm component 4, suspension status of the upper arm component 4 to trunk can be so remained, is kept away Exempt from cutting base 2 to fall and cause 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 upper arm component 4, 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 upper arm bar 16 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 °, the rotational angle of upper arm bar 16 is excessive so that upper arm bar 16 bending sections are clamped on trunk not closely, easily occur in the situation of 16 landing of upper arm bar in cutting process.

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 (5)

1. a kind of gardening pruning structure, it is characterised in that：Including screw rod (10), cutting base (2) and cutting assembly, cutting assembly Including two support blocks being oppositely arranged (12) and rotating shaft (11), support block (12) includes being fixed on cutting base (2) upper surface Bottom (18), the top (19) being located above bottom (18) and the spring that is connected with top (19) and bottom (18) respectively of two ends (24), the upper end of bottom (18) is provided with blind hole (25), is provided with the locating slot (20) of indent, top on the inwall of blind hole (25) (19) lower end is provided with the lead column (21) that can be inserted in blind hole (25), is provided with and locating slot on the side wall of lead column (21) (20) coordinate and partly insert the positioning strip (22) of locating slot (20), rotating shaft (11) sequentially passes through two tops (19) and by bearing Rotation is arranged on two tops (19), is arranged with gear saw blade (3) in rotating shaft (11)；The lower end of screw rod (10) is arranged with sleeve (1), cutting base (2) is run through in the upper end of screw rod (10), and is provided with the umbrella tooth above cutting base (2) in the end termination Wheel (13), rotating shaft (11) one end termination is provided with the angular wheel (15) being engaged with bevel gear (13)；Also include upper arm component (4), upper arm component (4) includes two Length discrepancies and the upper arm bar (16) in reversed J shape, and two upper arm bar (16) vertical portions are respectively mounted On the side wall of cutting base (2), and both respectively be located at gear saw blade (3) both sides, two upper arm bar (16) bending sections interior Side is provided with flexibility non-slipping block adaptable with which (14), and non-slipping block (14) is along upper arm bar (16) bending section axis direction Width be more than width of the upper arm bar (16) on the axis direction.

2. a kind of gardening pruning structure according to claim 1, it is characterised in that：Set in the middle part of cutting base (2) The cone-shaped cavity (26) that bottom is connected with flexible pipe (23) is equipped with, and the gear saw blade (3) is locally placed in cone-shaped cavity (26).

3. a kind of gardening pruning structure according to claim 1, it is characterised in that：The lower end cambered surface of non-slipping block (14) It is provided with a plurality of raised line (17) arranged along upper arm bar (16) bending section bending direction.

4. a kind of gardening pruning structure according to any one in claims 1 to 3, it is characterised in that：Two extensions By coupling assembly on the side wall of the cutting base (2), coupling assembly includes being rotatably arranged on institute armed lever (16) State the minor arc plate (5) on cutting base (2) and be fixed on cutting base (2) above and pass through the backing pin (6) of minor arc plate (5), described Link slot is provided with the inside of upper arm bar (16) vertical portion, and the free end of minor arc plate (5) is connected in link slot by torsion spring (9).

5. a kind of gardening pruning structure according to claim 4, it is characterised in that：Also include being fixed on the cutting base (2) go up and be provided with ratchet (8), the lower end of upper arm bar (16) vertical portion can be meshed with ratchet (8).