CN207305343U - Ditching knife power-driven system - Google Patents

Abstract

The utility model discloses a kind of ditching knife power-driven system, including knife group and driving mechanism；Knife group includes the first cutter shaft and the second cutter shaft, the outboard end of first cutter shaft and the second cutter shaft sets ditching knife respectively, and the medial end of the first cutter shaft and the second cutter shaft is oppositely arranged and outboard end extends so that forming v-shaped structure between the ditching knife of the ditching knife of the first cutter shaft and the second cutter shaft in certain tilt angled down laterally respectively；Driving mechanism includes transmission shaft, and transmission shaft is set in a manner of coordinating with the first cutter shaft or the transmission of the second cutter shaft；One of transmission shaft driving can be achieved to drive while two cutter shafts, and under the type of drive, do not interfere with the first cutter shaft and intersect angled set-up mode with the second cutter shaft with axis, so that after ditching knife is installed on corresponding cutter shaft, so that ditching knife to plough babinet inclined downward, can eliminate the boss below cutter shaft mounting shell that the ditching knife trench digging mode of microminiature ditching machine in conventional art is formed from up to down after mounting.

Description

Ditching knife power-driven system

Technical field

Ditching machine field is the utility model is related to, more particularly to a kind of ditching knife power-driven system.

Background technology

In the prior art, ditching machine mainly has large and medium-sized ditching machine and microminiature ditching machine, the trench digging of large and medium-sized ditching machine Mode master chain cutter type to be used, disk cutter head type, spiral etc., microminiature ditching machine has respectively according to the difference of angle of penetration The trench digging mode such as shovel formula, wing shovel, ship shape shovel, core share type, table roller formula, double-disk, sliding cutter type；It is wherein large and medium-sized to open Ditch machine is primarily adapted for use in the digging railway carriage or compartment ditch in agricultural production, and Wa Weigou, digs the pipe network such as water channel and underground piping, the laying of electricity (light) cable Various trench diggings and fluting in construction.This large and medium-sized machinery, the operation being not suitable between the fritter type field of agricultural production, What sowing, fertilising and irrigation between fritter type field in planting industry etc. generally used is all microminiature ditching machine, and current is small-sized Vegetable field, orcharding, crops in the ranks and greenhouse gardening be widely used.

But in ditching machine field, this microminiature ditching machine is particularly, uses shovel formula, wing shovel, ship shape shovel, core The trench digging mode such as ploughshare formula, table roller formula, double-disk, sliding cutter type, its common feature are all that utensil does not produce soil in itself Any rotary cutting, only advances by external force traction utensil, allows utensil to carry out extruding separation to soil and forms groove realization Trench digging shaping.This mode requires soil soft, therefore is only adapted to some places of northern China, or to soil Carry out pine and plough post-job secondary ditching operation, therefore have the limitation being used below with application method.And in the prior art A kind of trench digging mode for blade of ditching is disclosed, it is that soil is cut and thrown by the spinfunction of working tool in itself The operating type to form groove is removed, is made great progress with first trench digging mode, its ditching operation to hard soil carries Possibility is supplied, still, since working tool is installed on the both ends of the trunnion axis of plough babinet, the rotation of ditching knife can only be to case The corresponding region in body both ends produces operation, the underface of plough babinet also have working tool rotary-cut less than place form A kind of boss, the presence of this boss substantially have impact on the shaping of irrigation canals and ditches.Also prevent trench digging utensil at the same time enters ground, therefore Ditching depth is also to be limited by very large, and it is not ideal in hard soil timeliness fruit in operation that this is only facies type ditching machine Basic reason.It is that one is set on the lower section relevant position of plough babinet in conventional art to overcome this deficiency Scuppit, the boss to be formed is rooted out in operation process using this scuppit, and this mode has yielding ground certain effect, To hard soil effect unobvious, it is mainly manifested in that ditching depth is inadequate, and kinetic equation loss is big, in order to realize that ditching depth reaches use Family requires, and repeatedly to be opened again in actual production, not only operate it is time-consuming and laborious, it is nor enough energy saving, cause the waste of the energy.

Therefore, it is necessary to be improved to the trench digging mode of existing ditching machine, it is set to carry out hard soil trench digging work Bury during industry easily, irrigation canals and ditches shape, and kinetic equation loss is low, and manipulation facilitates light.

Utility model content

In view of this, the utility model provides a kind of ditching knife power-driven system, it is carrying out trench digging to hard soil Bury during operation easily, irrigation canals and ditches shape, and kinetic equation loss is low, and manipulation facilitates light.

The ditching knife power-driven system of the utility model, including the first cutter shaft, the second cutter shaft and transmission mechanism；First knife The outboard end of axis and the second cutter shaft is driven respectively is equipped with ditching knife, and the medial end of the first cutter shaft and the second cutter shaft is opposite Set and outboard end extends so that the ditching knife of the first cutter shaft and opening for the second cutter shaft in certain tilt angled down laterally respectively V-shaped structure is formed between ditch knife；

Driving mechanism includes at least the medial end of the transmission shaft for being used for transmitting driving power, the first cutter shaft and the second cutter shaft Between formed transmission coordinate, transmission shaft with will driving power by one of medial end of the first cutter shaft and the second cutter shaft input Mode set.

Further, each ditching knife is formed by circumferentially disposed blade, between the blade of two ditching knifes Formed and intersected positioned at v-shaped structure bottom.

Further, blade is located at the swing angle that working end formation is used to outwards dig in trench digging.

Further, the axis of the first cutter shaft and the second cutter shaft intersects angulation scope for 90 ° -160 °.

Further, blade uses Rotary tillage blade, and the swing angle of Rotary tillage blade working tips is used to outwards dig when ditching.

Further, the range of degrees of swing angle is 100 ° -130 °；

Blade includes handle of a knife and blade, and blade is with handle of a knife junction relative to 5 ° of -35 ° of settings of handle of a knife windup-degree.

Further, ditching knife further includes cutterhead, and cutterhead transmission is equipped with corresponding the first cutter shaft and the second cutter shaft, Blade along the circumferential direction detachable is installed on cutterhead at least two.

Further, ditching knife power-driven system further includes cutter shaft mounting shell, and cutter shaft mounting shell is used for equipped with one-to-one corresponding The first supporting part and the second supporting part of the first cutter shaft and the second cutter shaft are supported, between the first supporting part and the second supporting part The arrangement of one cutter shaft and the second cutter shaft is adapted in certain beveled structure；Formed with for making transmission on cutter shaft mounting shell The installing port that axis passes through.

Further, the medial end of the first cutter shaft is coaxially arranged with the first drive bevel gear, the medial end of the second cutter shaft It is coaxially arranged with the second drive bevel gear engaged with the transmission of the first drive bevel gear；

Be provided with drive bevel gear on transmission shaft, on the first cutter shaft or the second cutter shaft circumference be fixed with drive bevel gear with The driven wheel of differential for the mode engaged transmission that axis intersects.

Further, at least one two-sided bevel gear is additionally provided with transmission shaft vertically, at least one with two-sided bevel gear Face transmission engagement is provided with the dypass trench digging unit for being used for realization trench digging, and the dypass positioned at same two-sided bevel gear two sides is ditched single Member divides biographies moving axis radially opposite sides to set, and each dypass trench digging unit includes dypass trench digging cutter shaft and circumference is fixed on dypass trench digging On cutter shaft and with two-sided bevel gear in a manner of axis intersects engaged transmission dypass ditch driving bevel gear.

The beneficial effects of the utility model：The ditching knife power-driven system of the utility model, due to the first cutter shaft and The medial end transmission of two cutter shafts coordinates, and one of transmission shaft driving can be achieved to work while two cutter shafts, driving letter Single, it is easy and compact-sized to realize；At the same time under the type of drive, the first cutter shaft and the second cutter shaft outboard end are not interfered with The structure setting extended respectively to both ends in certain tilt angled down so that after ditching knife is installed on corresponding cutter shaft, two open Ditch knife can forming V-shape structure setting, i.e., so that after mounting each ditching knife from up to down can to the inclined downward of plough babinet, What so that the ditching knife for eliminating microminiature ditching machine in conventional art is ditched, mode was formed is located under cutter shaft mounting shell The boss of side；And due to making ditching knife forming V-shape symmetrical by way of forming tilt angled down respectively the first cutter shaft and the second cutter shaft, So that overall structure is simple, it is easily manipulated, kinetic equation loss is low, and to bury when carrying out ditching operation to hard soil easily, Irrigation canals and ditches shape.

Brief description of the drawings

The utility model is further described with reference to the accompanying drawings and examples.

Fig. 1 is the mounting structure schematic diagram of the first cutter shaft and the second cutter shaft in the utility model；

Fig. 2 is the first cutter shaft, the second cutter shaft and transmission shaft fit structure schematic diagram in the utility model；

Mounting structure schematic diagrams of the Fig. 3 for cutter shaft in the utility model with corresponding ditching knife；

Fig. 4 is the utility model middle casing portion structure diagram；

Fig. 5 is ditching knife structure diagram in the utility model；

Fig. 6 is the utility model middle casing portion and cutter spindle sleeve fit structure schematic diagram；

Fig. 7 is transmission shaft and dypass trench digging unit matching structure diagram in the utility model；

Fig. 8 is single two-sided bevel gear on transmission shaft in the utility model and dypass trench digging unit matching structure diagram；

Fig. 9 is view of the single blade on A-A directions in Fig. 3；

Figure 10 is the swing angle structure diagram of blade in the utility model.

Embodiment

Fig. 1 is the mounting structure schematic diagram of the first cutter shaft and the second cutter shaft in the utility model, and Fig. 2 is in the utility model First cutter shaft, the second cutter shaft and transmission shaft fit structure schematic diagram, peaces of the Fig. 3 for cutter shaft in the utility model with corresponding ditching knife Assembling structure schematic diagram, Fig. 4 are the utility model middle casing portion structure diagram, and Fig. 5 is that ditching knife structure is shown in the utility model Be intended to, Fig. 6 is the utility model middle casing portion and cutter spindle sleeve fit structure schematic diagram, Fig. 7 be in the utility model transmission shaft with Dypass trench digging unit matching structure diagram, Fig. 8 are that single two-sided bevel gear is ditched with dypass on transmission shaft in the utility model Unit matching structure diagram, Fig. 9 are view of the single blade on A-A directions in Fig. 3, and Figure 10 is blade in the utility model Swing angle structure diagram, as shown in the figure：The ditching knife power-driven system of the present embodiment, including the first cutter shaft, the second cutter shaft And transmission mechanism；It (is ditching knife 1 in figure that the outboard end of first cutter shaft 2 and the second cutter shaft 3, which is driven is equipped with ditching knife respectively, With ditching knife 1a), and the medial end of the first cutter shaft 2 and the second cutter shaft 3 is oppositely arranged and outboard end is in one laterally respectively Fixed tilt angled down extends so that forming v-shaped structure between the ditching knife 1a of 1 and second cutter shaft 3 of ditching knife of the first cutter shaft 2；Drive Motivation structure includes at least the transmission shaft for being used for transmitting driving power, is formed and passed between the first cutter shaft and the medial end of the second cutter shaft Dynamic to coordinate, transmission shaft is set in a manner of driving power is inputted by one of medial end of the first cutter shaft and the second cutter shaft Put；

Wherein, the first cutter shaft 2 and the second cutter shaft 3 are d-axis, and ditching knife (being ditching knife 1 and ditching knife 1a in figure) is coaxial solid It is scheduled on corresponding cutter shaft and forms transmission with corresponding cutter shaft and coordinate, the knife group of the utility model, which is used to be installed on plough, is used In trench digging, the medial end and outboard end of the first cutter shaft and the second cutter shaft are with respect to plough generally speaking, close to plough Internal one end be medial end, to plough on the outside of one end for extending be outboard end, in the present embodiment, the first cutter shaft and the The medial end of two cutter shafts is oppositely arranged, and both sides (i.e. the left and right sides of plough) is in one to both outboard ends to the left and right respectively The mode of degree of tilt extension is fixed so that two trench diggings form v-shaped structure, and the first cutter shaft and the second cutter shaft have a down dip as there is no before The mode of back rake angle is set, certainly laterally at the same time can be with forward inclination in certain tilt angled down, also can be with backward Tilt, the front and rear and self-consistentency of plough, can realize purpose of utility model；

Form transmission between the medial end of first cutter shaft 2 and the second cutter shaft 3 to coordinate, the driving power inputted by transmission shaft Inputted by one of medial end of the first cutter shaft and the second cutter shaft；Transmission shaft is with the first cutter shaft 2 and the second cutter shaft 3 using upper Respective outer side edges are stated, ditching knife (being ditching knife 1 and ditching knife 1a in figure) forming V-shape structure cloth can be realized by most simplified structure Put, and can realize the compact of structure at the same time, and the loss of power will not be caused；First cutter shaft 2 and the second knife are driven by power Axis 3 rotates, and then drives the ditching knife 1a on 1 and second cutter shaft 3 of ditching knife of the first cutter shaft 2 to carry out rotary cutting, Soil is realized and is ditched；Due to the opposite forming V-shape structure of two ditching knifes (being ditching knife 1 and ditching knife 1a in figure), so that can Rotary cutting is carried out to be pointed to the soil below plough cutter shaft mounting shell, can be smoothly to traditional small in the prior art The boss that ditching knife (being ditching knife 1 and ditching knife 1a in figure) trench digging mode of type ditching machine is formed is cut, and due to opening Ditch knife (in figure for ditching knife 1 and ditching knife 1a) forming V-shape structure, has and preferably buries and Impact direction, real to hard soil Bury and be relatively easy to during row ditching operation, and irrigation canals and ditches forming effect is good；And due to the inner side by the first cutter shaft and the second cutter shaft End is oppositely arranged and outboard end extends in certain tilt angled down laterally respectively, i.e. the axis of the first cutter shaft 2 and the second cutter shaft 3 The mode that line intersects angle [alpha] is set so that ditching knife (being ditching knife 1 and ditching knife 1a in figure) forming V-shape structure so that first The power of 2 and second cutter shaft 3 of cutter shaft is transferred directly to ditching knife (being ditching knife 1 and ditching knife 1a in figure), is ensureing ditching knife While (in figure for ditching knife 1 and ditching knife 1a) trench digging effect, kinetic equation loss is low, and manipulation facilitates light, can meet variously Trench digging demand under the conditions of matter.

In the present embodiment, each ditching knife (being ditching knife 1 and ditching knife 1a in figure) is by circumferentially disposed knife Piece 1-1 is formed, and intersection is being formed positioned at v-shaped structure bottom between the blade 1-1 of two ditching knifes；Two ditching knifes form V-arrangement knot The mode of structure has a variety of, can be the disjoint approximate v-shaped structure in bottom, or the approximate v-shaped structure that bottom is intersected, certainly Can be the structure with juxtaposition region, in the present embodiment, two ditching knifes intersect at trench digging position and form overlapping work There is the region for mutually repeating operation in the trench digging work in region 4, i.e. two ditching knifes；It can be pointed to the region below cutter shaft and form collection It is middle to repeat operation, so as to effectively remove the boss formed in traditional ditching machine operation process.As shown in the figure, each ditching knife (figure In for ditching knife 1 and ditching knife 1a) include correspond to the circumferentially disposed at least one blade 1-1 of cutter shaft relatively, two ditch In a manner of knife is separated when cross-coincidence is formed when the blade 1-1 being oppositely arranged is rotated to trench digging position, rotating out of trench digging position Realize overlapping working region 4；I.e. the blade 1-1 of ditching knife is set at least one, can be for one, two, three or more than three Integer, the blade 1-1 numbers of two ditching knifes set the same and are set in corresponding, in the present embodiment, two ditching knifes Relative position blade 1-1 on trench digging direction there are certain dislocation distance, juxtaposition (its when rotation to trench digging position In, when dislocation distance is smaller, the correspondence blade 1-1 of two ditching knifes can near contact lap fit, when dislocation distance is larger, Two ditching knifes still have juxtaposition region, but do not contact with each other), when being screwed out from trench digging position, the correspondence of two ditching knifes Blade 1-1 is separated, and enters juxtaposition state positioned at the blade 1-1 of next order, or is in juxtaposition state；I.e. In ditching operation, at specific ditching operation position, two blade 1-1 at least there are the blade 1-1 of a pair of opposing at In juxtaposition state, wherein, for trench digging, the position in overlapping activity region is constant, but as ditching knife (is to open in figure Ditch knife 1 and ditching knife 1a) rotation, it is not specific to intersect to form the blade 1-1 in the overlapping activity region, as ditching knife is (in figure For ditching knife 1 and ditching knife 1a) rotation, the blade 1-1 of different ditching knifes (being ditching knife 1 and ditching knife 1a in figure) is along respective Track rotated with cutterhead, will not cause beat tooth phenomenon occur；Since in rotary course, two ditching knifes (are trench digging in figure Knife 1 and ditching knife 1a) lower part form overlapping activity region, and the overlapping activity region is always in the direction of advance of ditching machine On, so that the ditching knife that optimum orientation position is gone to eliminate traditional microminiature ditching machine (is ditching knife 1 and trench digging in figure Knife 1a) boss that is formed of trench digging mode.

In the present embodiment, blade 1-1 is located at working end and forms the swing angle β for being used for outwards digging in trench digging；The present embodiment In, the range of degrees of swing angle is 100 ° -130 °；Wherein, swing angle can be any integer number of degrees between 100 ° -130 °, including It is 100 ° and 130 °, optimal for 105 °.In addition, each blade 1-1 includes handle of a knife 1-1-1 and the blade being connected with handle of a knife 1-1-1 1-1-2, blade are provided with knife spine 1-1-4 and blade 1-1-3, and the working end of blade forms swing angle, and specially swing angle β is by blade work Make end to be formed with respect to the bending 1-1-5 that blade body is formed, swing angle β prolongs for bending 1-1-5 bottom surfaces tangent line c with blade body bottom surface Angle between long line C；Set in addition, blade 1-1-2 reverses certain angle with root (junction with handle of a knife) with respect to handle of a knife 1-1-1 Put, torsion angle δ angles be 5 ° -35 °, preferably can be 5 °, 10 °, 20 °, 30 ° or 35 °, windup-degree for blade bottom surface relative to Angle between the horizontal line of handle of a knife；Soil property preferable oblique cut-in angle, and overall blade 1-1-2 can be formed in trench digging relatively Formed one have the function of certain angle of inclination, have ditch after turned-out soil cutter hub；And after swing angle is set, effectively reduce The fluctuation of load and amplitude, equipment operation it is with small vibration, stability is good.

In the present embodiment, the axis of the first cutter shaft 2 and the second cutter shaft 3 intersects angulation α scopes for 90 ° -160 °；Such as figure It is shown, it is the angle α of axis l and axial direction L, in the angular range, the first cutter shaft 2 and the second cutter shaft 3 are with relatively reasonable Structure arranges, angle α according to actual needs may be configured as 90 ° -160 ° between any number of degrees, including 90 ° and 160 °；Preferably, In this embodiment, the axis of the first cutter shaft 2 and the second cutter shaft 3 intersects angulation α for 150 °；Under the angle, work as ditching knife After (being ditching knife 1 and ditching knife 1a in figure) installation, it may be such that two ditching knifes (being ditching knife 1 and ditching knife 1a in figure) have most Good working status, and beneficial to juxtaposition region 4 is formed, ensure trench digging effect.

In the present embodiment, blade uses Rotary tillage blade, and the swing angle of Rotary tillage blade working tips is used to outwards dig when ditching； I.e. the blade of the present embodiment can use existing Rotary tillage blade.

In the present embodiment, ditching knife further includes cutterhead, and cutterhead transmission is equipped with the first corresponding cutter shaft and second Cutter shaft, blade along the circumferential direction detachable are installed on cutterhead at least three；Wherein, each ditching knife corresponds to cutterhead and is provided with Cutter spindle sleeve, cutter spindle sleeve 1-2, which is used to be formed with corresponding cutter shaft, to be connected, and cutterhead 1-3 is fixed on the outside of cutter spindle sleeve 1-2, blade 1-1's Handle of a knife 1-1-1 is installed on cutterhead 1-3 in a manner of being connected two-by-two and form a fixed connection at the point that is connected with cutterhead 1-3；This reality Apply in example, the power output end of the first cutter shaft 2 and the second cutter shaft 3 forms square axle structure respectively, and cutter spindle sleeve 1-2 is square noose Structure, cutter spindle sleeve 1-2 directly forms circumference with corresponding cutter shaft coaxial cooperation and fixes, certainly, on cutter spindle sleeve 1-2 and corresponding cutter shaft It can be cylindrical structural, but spline structure is set, form the key connection structure that circumference is fixed.

In the present embodiment, ditching knife power-driven system further includes cutter shaft mounting shell 5, and it is a pair of that cutter shaft mounting shell 5 is equipped with one Applied to the first cutter shaft 2 of support and the first supporting part and the second supporting part of the second cutter shaft；First supporting part and the second supporting part Between be adapted with the arrangement of the first cutter shaft and the second cutter shaft in certain beveled structure；On cutter shaft mounting shell formed with In the installing port for passing through transmission shaft；Wherein, the first supporting part, the second supporting part and installing port form three-port structure；As schemed Show, the first supporting part 5-1 and the second supporting part 5-2 are the axle sleeve of tyre flange arrangement, correspond to the respectively on housing section 5-3 One supporting part 5-1 and the second supporting part 5-2 are respectively arranged with first interface 5-3-1 and second interface 5-3-2, i.e. housing section 5-3 Itself it is a three-port structure, and interface is again provided with the method that is connected with the first supporting part 5-1 and the second supporting part 5-2 Blue structure；In the present embodiment, first interface and second interface are cylinder, it has been internally formed positive stop lug boss, the first supporting part The end of 5-1 correspond to inside insertion first interface and formed by positive stop lug boss it is spacing, equally, the end pair of the second supporting part 5-2 It should be inserted into inside second interface and spacing, exterior to connect flange arrangement formation by bolt, the first knife is formed by positive stop lug boss 2 and second cutter shaft 3 of axis is installed in corresponding shaft sleeve part by bearing 6 respectively, and dust seal oil sealing 7 is provided with outside.

Coaxially it is coated at transmission shaft in addition, ditching machine ditching knife drive assembly further includes and matches somebody with somebody for transmission shaft rotational support The driving sleeve 13 set is closed, formed with for forming the flange arrangement that end face coordinates with driving sleeve at installing port；It is driven The installing port 5-3-3 of axle sleeve 13 and housing section 5-3 forms flanged joint.

In the present embodiment, the driving end of the first cutter shaft 2 is coaxially arranged with the first drive bevel gear 8, the transmission of the second cutter shaft 3 End is coaxially arranged with the second drive bevel gear 9 engaged with the transmission of the first drive bevel gear 8；I.e. external impetus drives the first cutter shaft 2 or second cutter shaft 3 carry out active movement, due to the presence of the first drive bevel gear 8 and the second drive bevel gear 9 so that first Transmission driving is formed between 2 and second cutter shaft 3 of cutter shaft；In the present embodiment, the first drive bevel gear 8 is integrally formed at the first cutter shaft On 2 driving end, the second drive bevel gear 9 is integrally formed on the transmission shaft of the second cutter shaft 3, i.e. the first cutter shaft 2 and the second knife Axis 3 is bevel gear shaft, and certainly, the first drive bevel gear 8 and the second drive bevel gear 9 or single gear structure, can lead to The mode circumference for crossing key connection is fixed on corresponding cutter shaft；Circumference fixed setting is useful for connecing on first cutter shaft or the second cutter shaft The drive gear 10 of external drive power is received, transmission shaft 11 is used for cutter shaft input power, one end of transmission shaft 11 and power part Part transmission coordinates, and the other end sets drive bevel gear 12, passes through (the slave mantle tooth engaged with drive bevel gear of drive gear 10 Wheel) with the cooperation of drive bevel gear 12 realize the driving rotating purpose of cutter shaft.

On the basis of any of the above-described structure, the invention also discloses a kind of embodiment of multi-path trench digging, at this At least one two-sided bevel gear 14 is additionally provided with embodiment, on transmission shaft 11 vertically, at least one with two-sided bevel gear 14 Face transmission engagement is provided with the dypass trench digging unit for being used for realization trench digging, and the dypass positioned at same two-sided 14 two sides of bevel gear is ditched Unit divides 11 radially opposite sides of biographies moving axis to set, and each dypass trench digging unit includes dypass trench digging cutter shaft 15 and circumference is fixed on side Tooth is bored on the trench digging cutter shaft 15 of road and with the dypass trench digging driving of two-sided bevel gear 14 engaged transmission in a manner of axis intersects vertically Wheel 16；I.e. on the basis of the power output end transmission of transmission shaft 11 is equipped with the first cutter shaft 2 and the second cutter shaft 3, passing Be additionally provided with least one two-sided bevel gear 14 on moving axis 11 vertically, two-sided bevel gear 14 can set one, two, three or Integer more than three, in the present embodiment, two-sided bevel gear 14 sets three, in two face of gear of each two-sided bevel gear 14 Dypass trench digging unit position that is upper that a dypass trench digging unit is set respectively, and being set on two face of gear of same two-sided bevel gear 14 Misconstruction is formed in 7 both sides of transmission shaft, to prevent the interference of ditching knife (for ditching knife 1 and ditching knife 1a in figure) work；It is logical Cross the multiple dypass trench digging unit set to work together with the first cutter shaft 2 and the second cutter shaft 3 for being arranged on 7 end of transmission shaft, shape Into multi-path trench digging mode, the axis of each dypass trench digging cutter shaft 15 intersects with the axis of transmission shaft 7, and dypass trench digging cutter shaft 15 Axis d and transmission shaft 7 cross the vertical radial centre lines D of crosspoint between set into angle γ, the scope of angle γ for 45 °- 80°。

Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, can be to this The technical solution technical scheme is modified or replaced equivalently of utility model, without departing from the objective and model of technical solutions of the utility model Enclose, it should all cover among the right of the utility model.

Claims (10)

1. A kind of 1. ditching knife power-driven system, it is characterised in that：Including the first cutter shaft, the second cutter shaft and transmission mechanism；

   The outboard end of first cutter shaft and second cutter shaft is driven respectively is equipped with ditching knife, first cutter shaft and The medial end of second cutter shaft is oppositely arranged and outboard end extends so that first in certain tilt angled down laterally respectively V-shaped structure is formed between the ditching knife of the ditching knife of cutter shaft and the second cutter shaft；

   The driving mechanism includes at least the transmission shaft for being used for transmitting driving power, the inner side of first cutter shaft and the second cutter shaft Between end formed transmission coordinate, the transmission shaft with will driving power by the medial end of the first cutter shaft and the second cutter shaft wherein One of input mode set.
2. 2. ditching knife power-driven system according to claim 1, it is characterised in that：Each ditching knife is by circumferentially side Formed to the blade of arrangement, intersection is being formed positioned at v-shaped structure bottom between the blade of two ditching knifes.
3. 3. ditching knife power-driven system according to claim 2, it is characterised in that：The blade is formed positioned at working end For the swing angle outwards digged in trench digging.
4. 4. ditching knife power-driven system according to claim 1, it is characterised in that：First cutter shaft and described second The axis of cutter shaft intersects angulation scope for 90 ° -160 °.
5. 5. ditching knife power-driven system according to claim 3, it is characterised in that：The blade uses Rotary tillage blade, The swing angle of the Rotary tillage blade working tips is used to outwards dig when ditching.
6. 6. ditching knife power-driven system according to claim 3, it is characterised in that：The range of degrees of the swing angle is 100°—130°；

   The blade includes handle of a knife and blade, and the blade is with handle of a knife junction relative to 5 ° of -35 ° of settings of handle of a knife windup-degree.
7. 7. ditching knife power-driven system according to claim 6, it is characterised in that：The ditching knife further includes cutterhead, Cutterhead transmission is equipped with corresponding the first cutter shaft and the second cutter shaft, the blade at least two along the circumferential direction It is detachable to be installed on cutterhead.
8. 8. according to the ditching knife power-driven system described in claim 1-7 any claims：The ditching knife power drive System further includes cutter shaft mounting shell, and the cutter shaft mounting shell, which is equipped with, corresponds be used to support the first cutter shaft and the second cutter shaft the One supporting part and the second supporting part, between first supporting part and the second supporting part with the first cutter shaft and the cloth of the second cutter shaft Structure is put to be adapted in certain beveled structure；Formed with the installing port for passing through transmission shaft on the cutter shaft mounting shell.
9. 9. according to the ditching knife power-driven system described in claim 1-7 any claims, it is characterised in that：Described first The medial end of cutter shaft is coaxially arranged with the first drive bevel gear, and the medial end of second cutter shaft is coaxially arranged with and first Second drive bevel gear of drive bevel gear transmission engagement；

   Drive bevel gear is provided with the transmission shaft, circumference is fixed with and active on first cutter shaft or second cutter shaft The driven wheel of differential of bevel gear engaged transmission in a manner of axis intersects.
10. 10. according to the ditching knife power-driven system described in claim 1-7 any claims, it is characterised in that：The biography At least one two-sided bevel gear is additionally provided with moving axis vertically, setting is engaged with least one side transmission of the two-sided bevel gear It is useful for realizing the dypass trench digging unit of trench digging, the dypass trench digging unit positioned at same two-sided bevel gear two sides divides biographies moving axis footpath Set to both sides, each dypass trench digging unit includes dypass trench digging cutter shaft and circumference is fixed on dypass trench digging cutter shaft and with The dypass trench digging driving bevel gear of two-sided bevel gear engaged transmission in a manner of axis intersects.