CN109041678B - Rear-mounted ditching machine - Google Patents
Rear-mounted ditching machine Download PDFInfo
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- CN109041678B CN109041678B CN201811177427.3A CN201811177427A CN109041678B CN 109041678 B CN109041678 B CN 109041678B CN 201811177427 A CN201811177427 A CN 201811177427A CN 109041678 B CN109041678 B CN 109041678B
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- wheel tractor
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000000725 suspension Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000002689 soil Substances 0.000 claims description 24
- 230000007704 transition Effects 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
- A01C5/064—Devices for making drills or furrows with rotating tools
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/002—Devices for adjusting or regulating the position of tools or wheels
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental Sciences (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Soil Working Implements (AREA)
- Harvesting Machines For Root Crops (AREA)
Abstract
The invention relates to a rear-mounted ditching machine, which comprises a frame hinged with the tail end of a four-wheel tractor, wherein a gearbox is arranged on the frame, an input shaft of the gearbox is connected with driving wheels of the four-wheel tractor through a transmission mechanism, a ditching cutter assembly is arranged on an output shaft of the gearbox, a hydraulic suspension arm is arranged at the tail end of the four-wheel tractor, the frame is hinged with the tail end of the four-wheel tractor, the hinged connection end of the frame and one end of the hydraulic suspension arm are hinged, the hydraulic suspension arm rotates and is used for adjusting the rotation angle of the frame around the hinged shaft, the ditching cutter assembly for ditching is fixed on the frame, an operator can rotate and adjust the hinged shaft of the frame by manipulating the hydraulic suspension arm arranged on the four-wheel tractor, and further, the up-down direction of the ditching cutter assembly is adjusted, so that the ditching cutter assembly cuts into the proper depth of the ground, and an operator can effectively improve the convenience of ditching operation by driving the four-wheel tractor.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a rear-mounted ditching machine.
Background
The ditcher can be used for burying underground drainage pipelines in narrow and deep underground ditches in constructional engineering, or departments such as railways, post and telecommunications, urban construction and the like for burying cables, pipelines and the like, and can also be used for ditching, fertilizing, draining, planting and irrigating in orchards, vegetable gardens and other farmland environments.
The existing small ditching machine for ditching farmland is mostly installed on a walking tractor. A structure of a rear left-side ditcher is disclosed in a patent named 'rear left-side ditcher' (patent number: 201310743234.0), the ditcher comprises an L-shaped frame directly connected with a rear connecting frame of a walking tractor, a gearbox is arranged on the frame, an output spline shaft of the gearbox is driven to rotate by a power mechanism of the tractor, a roller cutter head is arranged on the spline shaft, a plurality of blades are distributed on the periphery of the rotating roller cutter head in an equally-dividing manner, an operator drives the walking tractor to perform ditching operation on farmlands, the operator needs to hold the walking tractor, the blades on the roller cutter head are pressed with soil of the farmlands and cut into the soil so as to further perform soil-turning operation, when the soil-turning operation is performed, the operator drives the handles of the walking tractor to have different pressing forces, so that the ditching depth is shallow, and when walking on the ground where ditching is not needed, for example, at the turning positions of a ground, the L-shaped frame of the blades needs to be detached from the walking tractor, or the walking tractor is separated from the ground, and the operator is difficult to control the ditching operation on the ground when the walking tractor is in particular, and the operator is hard to hold the left-side of the walking tractor.
In order to solve the technical problems, another ditching machine structure is disclosed in a patent with the name of 'ditching machine' (patent number: 201510617483.4), the ditching machine comprises a cutter assembly support, a cutter assembly is arranged at one end of the cutter assembly support, the other end of the cutter assembly support is connected with a walking tractor, an up-down adjusting mechanism is arranged between the tractor and the cutter assembly support and used for adjusting the height of the cutter assembly in the up-down direction, so that the depth consistency of ditching is ensured, an operator sits on a tail wheel assembly of the walking tractor, and steps on the tail wheel assembly through feet, so that the direction change of the ditching machine is realized.
The patent related to the ditcher that discloses among the prior art is used to the development of hand-held ditcher tractor more, and the ditcher is when actual operation, has the inconvenient condition of operation all the time, when the operation of ditching to large tracts of land, has laborious condition all the time, has the inconvenient operation all the time when actual ditching operation to the inefficiency problem.
Disclosure of Invention
The invention aims at: the rear-mounted ditching machine can effectively improve the convenience of ditching operation and the ditching efficiency.
The technical scheme adopted in the invention is as follows:
the rear-mounted ditching machine comprises a frame which is hinged with the tail end of the four-wheel tractor, wherein the hinge shaft of the frame is horizontal and the length direction of the hinge shaft is perpendicular to the length direction of the four-wheel tractor, a gearbox is arranged on the frame, an input shaft of the gearbox is connected with driving wheels of the four-wheel tractor through a transmission mechanism, a ditching cutter assembly is arranged on an output shaft of the gearbox, a hydraulic boom is arranged at the tail end of the four-wheel tractor, the frame is hinged with one end of the hydraulic boom at the tail end of the four-wheel tractor, and the hydraulic boom rotates and is used for adjusting the rotation angle of the frame around the hinge shaft.
The invention also has the following technical characteristics:
the hydraulic lifting arm is arranged at the front end of the four-wheel tractor, and is used for adjusting the rotation of the frame around the middle shaft.
The outer sleeve that is provided with of axis, the sleeve is connected with rotation adjustment mechanism, and rotation adjustment mechanism is used for adjusting the sleeve and winds around the articulated shaft rotation.
The hydraulic boom is arranged on two sides of the tail end of the four-wheel tractor, the overhanging end of the hydraulic boom is hinged with one end of the boom, the other end of the boom is hinged with the middle section of the frame, and the hinged shafts at two ends of the boom are horizontal and perpendicular to the length direction of the four-wheel tractor.
The transmission mechanism comprises a first belt wheel which is rotatably arranged at one end of a center shaft, the input shaft of the gearbox is provided with a second belt wheel, the first belt wheel is connected with the second belt wheel through a belt, and the first belt wheel is connected with a driving wheel of the four-wheel tractor through the belt.
The sleeve is provided with a middle connecting piece, and the middle connecting piece is connected with the tail end of the four-wheel tractor.
The frame is provided with a tension spring, and two ends of the tension spring are respectively connected with the frame and the tail end of the four-wheel tractor.
The gearbox comprises a box body, an input gear, a transition gear and an output gear are rotatably arranged in the box body, the input gear is meshed with the transition gear, the transition gear is meshed with the output gear, the input gear is provided with an input shaft, the input shaft is connected with a second belt wheel through a clutch mechanism, the clutch mechanism is used for controlling the separation of the input shaft and the second belt wheel, and the output gear is provided with an output shaft;
the automatic transmission is characterized in that a mounting bracket is arranged on the frame, a box body of the transmission is fixed on the mounting bracket, a strip-shaped opening is arranged on the mounting bracket and is parallel to the length direction of the frame, and the locking bolt is connected with the box body of the transmission.
The middle section of the frame is provided with an extension rod which is horizontal and vertical to the length direction of the frame, the rod end of the extension rod is provided with a soil retaining plate, the soil retaining plate extends along the length direction of the frame and is arranged above the ditching cutter assembly, and the upper plate surface of the soil retaining plate is also provided with a soil retaining soft plate;
the novel four-wheel tractor is characterized in that a soil retaining side plate is further fixed on the frame, the soil retaining side plate is vertically arranged and is arranged along the length direction of the four-wheel tractor, a first avoidance socket and a second avoidance socket are arranged at the lower end of the soil retaining side plate, the first avoidance socket and the second avoidance socket are downward, the first avoidance socket is inserted on an input shaft of the input gear, and the second avoidance socket is inserted on the locking bolt.
The whole square tube or the pipe structure of frame, axis and gearbox set up respectively at the both ends of frame, the middle section of frame still is provided with the extension frame, the bearing frame of extension frame is passed to the output shaft of gearbox, ditching cutter head spare arranges along the output shaft of gearbox.
Compared with the prior art, the invention has the beneficial effects that: a ditching cutter assembly for ditching is fixed in the frame, and operating personnel is through controlling the hydraulic pressure davit that sets up on the four-wheel tractor, and pivoted hydraulic pressure davit can be implemented and is rotated the articulated shaft of frame and adjust, and then realizes adjusting the upper and lower direction of ditching cutter assembly to make ditching cutter assembly cut into to the suitable degree of depth in ground, operating personnel carries out ditching through driving four-wheel tractor, thereby can effectively improve the convenience of ditching operation, improves ditching efficiency.
Drawings
FIG. 1 is a front view of a rear mounted ditcher and four-wheel tractor installation;
FIGS. 2-4 are three perspective structural views of a rear-mounted ditcher;
FIG. 5 is a front view of a first embodiment of a rear ditcher rack;
FIG. 6 is a front view of a second embodiment of a rear ditcher rack; the method comprises the steps of carrying out a first treatment on the surface of the
Fig. 7 is a cross-sectional view of the transmission.
Detailed Description
With reference to fig. 1 to 7, the following details are given to the structural features of the rear-mounted ditcher:
the rear-mounted ditcher comprises a frame 20 which is hinged with the tail end of a four-wheel tractor 10, wherein the hinge shaft of the frame 20 is horizontal, the length direction of the hinge shaft is perpendicular to the vehicle length direction of the four-wheel tractor 10, a gearbox 30 is arranged on the frame 20, the input shaft of the gearbox 30 is connected with driving wheels of the four-wheel tractor 10 through a transmission mechanism, a ditching cutter assembly 60 is arranged on an output shaft of the gearbox 30, a hydraulic suspension arm 40 is arranged at the tail end of the four-wheel tractor 10, the hinge connection end of the frame 20 and the tail end of the four-wheel tractor 10 is hinged with one end of the hydraulic suspension arm 40, and the hydraulic suspension arm 40 rotates and is used for adjusting the rotation angle of the frame 20 around the hinge shaft;
the hydraulic suspension arm 40 is an important hydraulic lifting component of the four-wheel tractor 10 and is arranged at the tail end position of the four-wheel tractor 10, and the hydraulic suspension arms 40 are arranged at two sides of the tail end for controlling lifting of farm tools in actual cultivation, so that the applicant can remarkably reduce the production cost of the ditcher and remarkably reduce the structure of the ditcher by directly using the hydraulic suspension arm 40 of the four-wheel tractor 10 as a power source for driving the whole ditcher to lift or lower, so that the ditcher is more stable in operation and the failure rate is reduced;
in the actual use process of the hydraulic suspension arm 40, an independent hydraulic operating rod is arranged on the driving position of the four-wheel tractor 10, so that the rotation adjustment of the hydraulic suspension arm 40 is independently realized;
referring to fig. 1 and 2, the ditching cutter assembly 60 for ditching is fixed on the frame 20, an operator realizes the rotation adjustment of the hydraulic boom 40 by manipulating the hydraulic boom 40 operating lever arranged on the four-wheel tractor 10, so as to implement the rotation adjustment of the hinge shaft of the frame 20, and adjust the ditching depth of the ditching cutter assembly 60, so that the ditching cutter assembly 60 cuts into the ground to a proper depth, and the operator can ditche by driving the four-wheel tractor 10, thereby effectively improving the convenience of ditching operation and the ditching efficiency.
As a preferred scheme of the invention, a central shaft 21 is arranged at the position of the stand 20 close to the tail end of the four-wheel tractor 10, the length direction of the central shaft 21 is horizontal and vertical to the length direction of the four-wheel tractor 10, the central shaft 21 is rotatably arranged at the front end of the four-wheel tractor 10, and the hydraulic suspension arm 40 is rotated and used for adjusting the stand 20 to rotate around the central shaft 21;
an operator operates the hydraulic boom 40 to operate the lever at the driving position of the four-wheel tractor 10 to rotate and adjust the center shaft 21, so that the ditching depth of the ditching cutter assembly 60 is adjusted, and the arrangement of the whole transmission mechanism is facilitated;
specifically, the transmission mechanism comprises a first belt wheel 211 rotatably arranged at one end of a center shaft 21, the input shaft of the gearbox 30 is provided with a second belt wheel 31, the first belt wheel 211 is connected with the second belt wheel 31 through a belt, and the first belt wheel 211 is connected with the driving wheel of the four-wheel tractor 10 through a belt;
the center position of the center shaft 21 is determined, so that the wheel distance between the first belt wheel 211 and the second belt wheel 31 is determined, the belt between the first belt wheel 211 and the second belt wheel 31 is always in a position-determined state, the first belt wheel 211 is convenient to be connected with the driving wheel of the four-wheel tractor 10, when the hydraulic suspension arm 40 adjusts the frame 10 to rotate around the center shaft 21, the distance between the first belt wheel 211 and the second belt wheel 31 and the distance between the first belt wheel 211 and the driving wheel of the four-wheel tractor 10 are always in a determined state, and therefore the setting of a tensioning mechanism between the belts can be omitted, the structure of the whole device is simplified, and the ditcher is more stable in operation.
In actual use, the sleeve 23 is arranged outside the center shaft 21, the sleeve 23 is connected with a rotation adjusting mechanism, and the rotation adjusting mechanism is used for adjusting the sleeve 23 to rotate around the hinge shaft;
the above-mentioned rotation adjustment mechanism adjusts the position of the sleeve 23, and at the same time, can implement the adjustment of the space between the first pulley 211 and the driving wheel of the four-wheel tractor 10, thereby implementing the adjustment of the space between the first pulley 211 and the driving wheel of the four-wheel tractor 10, so as to implement the tensioning between the pulley belts, and facilitate the adjustment of the whole mechanism.
To connect the sleeve 23 with the tail end of the four-wheel tractor 10, an intermediate connecting piece is arranged on the sleeve 23 and is connected with the tail end of the four-wheel tractor 10;
specifically, as a first embodiment of the present invention, a connection lug is disposed at the tail end of the four-wheel tractor 10, a hinge 22 is disposed outside the pipe wall of the sleeve 23, the hinge 22 and the connection lug at the tail end of the four-wheel tractor 10 are connected into a whole through a latch shaft, the rotation adjusting mechanism comprises an adjusting plate 24 disposed at the outer wall of the sleeve 23, an adjusting screw 25 is disposed on the adjusting plate 24, and the adjusting screw 25 abuts against the tail end of the four-wheel tractor 10;
the frame 20 of the whole rear ditcher realizes the connection of the connecting lugs at the tail end of the four-wheel tractor 10 through the hinge 22 on the sleeve 23, is inserted at the connecting position between the connecting lugs and the hinge 22 through the pin shaft, and when the tension between the first belt pulley 211 and the driving wheel of the four-wheel tractor 10 needs to be adjusted, the rod end of the adjusting screw 25 abuts against the tail end of the four-wheel tractor 10 through rotating the adjusting screw 25, so that the sleeve 23 rotates around the pin shaft position of the hinge 22, and the adjustment of the interval between the first belt pulley 211 and the driving wheel of the four-wheel tractor 10 is realized.
As a second embodiment of the present invention, the intermediate connecting member is a frame-like structure, the frame-like structure includes two or more pins to form a plug-in fit with the connecting lugs at the tail end of the four-wheel tractor, and the sleeve 23 is welded on the intermediate connecting member;
as a third embodiment of the present invention, the intermediate connection member is connected to the tail end of the four-wheel tractor by a bolt.
When the hydraulic boom 40 is actually used, when the hydraulic oil way system in which the hydraulic boom 40 is positioned is depressurized, the hydraulic boom 40 is reset, the self gravity of the rear-mounted ditcher enables the ditching cutter assembly 60 to cut into the ground so as to realize ditching operation, however, when the running speed of the four-wheel tractor 10 is too high, the cutter assembly 60 can hardly reach the set ditching depth under the action of the self gravity, and for this purpose, the rack 20 is provided with the tension spring 26, and two ends of the tension spring 26 are respectively connected with the tail ends of the rack 20 and the four-wheel tractor 10;
the elastic tension of the tension spring 26 can significantly ensure the depth of the trenching cutter assembly 60 cut into the subsurface, thereby ensuring the effectiveness of the trenching.
Specifically, as shown in fig. 2 and 7, the gearbox 30 includes a box 32, an input gear 33, a transition gear 34 and an output gear 35 are rotatably disposed in the box 32, the input gear 33 is meshed with the transition gear 34, the transition gear 34 is meshed with the output gear 35, the input gear 33 is provided with an input shaft, and the output gear 35 is provided with an output shaft; the input shaft is connected with the second belt wheel 31 through a clutch mechanism 37, the clutch mechanism 37 is used for controlling the separation of the input shaft and the second belt wheel 31, and the output gear 35 is provided with an output shaft;
the gearbox 30 is composed of 3 gears, so that not only the rotation speed of the ditching cutter assembly 60 can be adjusted, but also the direction of rotation of the ditching cutter assembly 60 can be changed, so that the tangential direction of the ditching cutter assembly 60 contacting with the ground faces the front end of the four-wheel tractor 10 in the length direction, ditching operation is conveniently realized, soil, weeds and branches are prevented from being thrown out to the rear of the four-wheel tractor 10, and the problem of flameout caused by blockage or overload of the ditching cutter assembly 60 is avoided;
the clutch mechanism 37 is disposed in the gearbox 30, the clutch mechanism 37 is connected with an operating lever through a pull wire, and the operating lever is disposed at the position of the steering table of the four-wheel tractor 10, so as to facilitate the clutch operation of the slotting cutter assembly 60.
In order to realize the adjustment of the distance between the first belt pulley 211 and the second belt pulley 31 so as to tension the belt, a mounting bracket 201 is arranged on the frame 20, a box body 32 of the gearbox 30 is fixed on the mounting bracket 201, a strip-shaped opening 202 is arranged on the mounting bracket 201, the strip-shaped opening 202 is parallel to the length direction of the frame 20, and the locking bolt 203 is connected with the box body 32 of the gearbox 30;
when the distance between the first belt pulley 211 and the second belt pulley 31 needs to be adjusted, the locking bolt 203 is loosened, the box body 32 of the gearbox 30 is adjusted to slide along the mounting bracket 201, and the distance between the first belt pulley 211 and the second belt pulley 31 is adjusted, so that the belt tension is adjusted;
after the position is adjusted, the locking bolt 203 is screwed, so that the locking bolt 203 is connected with the box body 32 of the gearbox 30, and the box body 32 is fixed on the mounting bracket 201;
referring to fig. 3, the mounting bracket 201 is plate-shaped and welded on the frame 20, a lug 321 is disposed on the box 32 of the gearbox 30, a screw hole is formed in the lug 321, and a bolt end of the locking bolt 203 is connected with the screw hole.
The box bottom 322 of the box body 32 of the gearbox 30 is provided with a mounting hole, the box bottom 322 is detachably connected with the bottom of the box body 32, a mounting screw 323 is arranged in the mounting hole, the rod end of the mounting screw 323 is in threaded connection with the bottom of the box body 32, the box bottom 322 is detachably connected with the bottom of the box body 32, the input gear 33, the transition gear 34 and the output gear 35 are placed into the box body 32 from the bottom opening of the box body 32, and the input shaft and the output shaft of the input gear 33 and the output gear 35 respectively penetrate through the box body 32, so that the whole gearbox 30 is convenient to mount.
Further, in order to block soil, an extension rod 27 is disposed at a middle section of the frame 20, the extension rod 27 is horizontal and perpendicular to the length direction of the frame 20, a soil retaining plate 50 is disposed at a rod end of the extension rod 27, the soil retaining plate 50 extends along the length direction of the frame 20 and is disposed above the ditching cutter assembly 60, and a soil retaining soft plate 51 is disposed on an upper plate surface of the soil retaining plate 50;
after the rotated soil residues are smashed to the soil-retaining soft plate 51, the soft characteristic of the soil-retaining soft plate 51 is adopted, so that the viscous soil residues rebound and are thrown out, the viscous soil residues are possibly prevented from being adhered and blocked at the position of the soil-retaining plate 50, and noise generated when the soil residues are rotated can be reduced;
in an embodiment, the soil blocking soft plate 51 may be a soft rubber skin, and has a light weight and a long service life.
Referring to fig. 3, in order to avoid accumulation of soil and residue on the gearbox 30 and the frame 20 beside the frame 20, a soil-retaining side plate 70 is fixed on the frame 20, the soil-retaining side plate 70 is vertically arranged and is arranged along the length direction of the four-wheel tractor 10, a first avoidance socket and a second avoidance socket are arranged at the lower end of the soil-retaining side plate 70, the sockets of the first avoidance socket and the second avoidance socket face downwards, the first avoidance socket is inserted on the input shaft of the input gear 33, and the second avoidance socket is inserted on the locking bolt 203;
when the soil-retaining side plate 70 is installed, the soil-retaining side plate 70 is arranged vertically, the input shaft of the input gear 33 is positioned in the first avoidance socket, the second avoidance socket is inserted on the locking bolt 203, and when the locking bolt 203 is screwed down, the end part of the locking bolt 203 is abutted against the soil-retaining side plate 70, so that the soil-retaining side plate 70 is fixed;
in the embodiment of the present invention, as shown in fig. 5 and 6, the frame 20 is in a square tube or circular tube structure, the center shaft 21 and the gearbox 30 are respectively disposed at two ends of the frame 20, an extension frame 28 is further disposed at a middle section of the frame 20, an output shaft of the gearbox 30 passes through a bearing seat of the extension frame 28, and the ditching cutter assembly 60 is disposed along the output shaft of the gearbox 30;
because the four-wheel tractor 10 needs certain width space operation when actual ditching operation, and when to the marginal position of planting field, four-wheel tractor 10 actually can't carry out ditching operation, this for the middle section of frame 20 sets up extension frame 28, and make the output shaft extension arrangement of division gearbox 30, be provided with the support bearing frame on the extension frame 28, make the output shaft of gearbox 30 pass the bearing frame, thereby can ensure that the output shaft after the extension can obtain effectual support, ensure the stability of the rotation of ditching cutter assembly 60 after the extension, the ditching cutter assembly 60 of foretell extends to one side position of four-wheel tractor 10, when starting ditching cutter assembly 60, thereby can realize the ditching operation to planting field marginal position, make planting field ditching operation more convenient.
The structure of the frame 20 is not limited to the embodiment, so that the frame of the ditcher is convenient to process, the cost is low, and the support strength of the frame 20 is ensured to be good.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. Rear-mounted ditcher, its characterized in that: the four-wheel tractor comprises a frame (20) hinged with the tail end of the four-wheel tractor (10), wherein the hinge shaft of the frame (20) is horizontal and the length direction is vertical to the vehicle length direction of the four-wheel tractor (10), a gearbox (30) is arranged on the frame (20), the input shaft of the gearbox (30) is connected with the driving wheel of the four-wheel tractor (10) through a transmission mechanism, the output shaft of the gearbox (30) is provided with a ditching cutter assembly (60), the tail end of the four-wheel tractor (10) is provided with a hydraulic suspension arm (40), the hinge connection end of the frame (20) and the tail end of the four-wheel tractor (10) is hinged with one end of the hydraulic suspension arm (40), and the hydraulic suspension arm (40) rotates and is used for adjusting the rotation angle of the frame (20) around the hinge shaft;
the hydraulic lifting arm (40) rotates and is used for adjusting the frame (20) to rotate around the middle shaft (21);
the transmission mechanism comprises a first belt wheel (211) rotatably arranged at one end of a center shaft (21), the input shaft of the gearbox (30) is provided with a second belt wheel (31), the first belt wheel (211) is connected with the second belt wheel (31) through a belt, and the first belt wheel (211) is connected with a driving wheel of the four-wheel tractor (10) through a belt;
the center shaft (21) is externally provided with a sleeve (23), the sleeve (23) is connected with a rotation adjusting mechanism, and the rotation adjusting mechanism is used for adjusting the sleeve (23) to rotate around the hinge shaft;
the tail end of the four-wheel tractor (10) is provided with a connecting support lug, a hinge (22) is arranged outside the pipe wall of the sleeve (23), the hinge (22) is connected with the connecting support lug at the tail end of the four-wheel tractor (10) into a whole through a bolt shaft, the rotation adjusting mechanism comprises an adjusting plate (24) arranged on the outer wall of the sleeve (23), an adjusting screw rod (25) is arranged on the adjusting plate (24), and the adjusting screw rod (25) abuts against the tail end of the four-wheel tractor (10);
two hydraulic suspension arms (40) are arranged on two sides of the tail end of the four-wheel tractor (10), the overhanging ends of the hydraulic suspension arms (40) are hinged with one end of a suspension rod (41), the other end of the suspension rod (41) is hinged with the middle section of the frame (20), and the hinge shafts at the two ends of the suspension rod (41) are horizontal and perpendicular to the vehicle length direction of the four-wheel tractor (10).
2. The rear mounted ditcher of claim 1, wherein: the sleeve (23) is provided with a middle connecting piece which is connected with the tail end of the four-wheel tractor (10).
3. The rear mounted ditcher of claim 1, wherein: the four-wheel tractor is characterized in that a tension spring (26) is arranged on the frame (20), and two ends of the tension spring (26) are respectively connected with the tail ends of the frame (20) and the four-wheel tractor (10).
4. The rear mounted ditcher of claim 1, wherein: the gearbox (30) comprises a box body (32), an input gear (33), a transition gear (34) and an output gear (35) are rotatably arranged in the box body (32), the input gear (33) is meshed with the transition gear (34), the transition gear (34) is meshed with the output gear (35), the input gear (33) is provided with an input shaft, the input shaft is connected with a second belt wheel (31) through a clutch mechanism, the clutch mechanism is used for controlling the separation of the input shaft and the second belt wheel (31), and the output gear (35) is provided with an output shaft;
be provided with installing support (201) on frame (20), box (32) of gearbox (30) are fixed on installing support (201), be provided with bar opening (202) on installing support (201), bar opening (202) are parallel with frame (20) length direction, and locking bolt (203) are connected with box (32) of gearbox (30).
5. The post-ditcher of claim 4, wherein: the soil-blocking machine is characterized in that an extension rod (27) is arranged at the middle section of the frame (20), the extension rod (27) is horizontal and vertical to the length direction of the frame (20), a soil-blocking plate (50) is arranged at the rod end of the extension rod (27), the soil-blocking plate (50) extends along the length direction of the frame (20) and is arranged above the ditching cutter assembly (60), and a soil-blocking soft plate (51) is further arranged on the upper plate surface of the soil-blocking plate (50);
the novel four-wheel tractor is characterized in that a soil retaining side plate (70) is further fixed on the frame (20), the soil retaining side plate (70) is vertically arranged and is arranged along the length direction of the four-wheel tractor (10), a first avoidance socket and a second avoidance socket are arranged at the lower end of the soil retaining side plate (70), the first avoidance socket and the second avoidance socket face downwards, the first avoidance socket is inserted on an input shaft of the input gear (33), and the second avoidance socket is inserted on the locking bolt (203).
6. The rear mounted ditcher of claim 1, wherein: the center shaft (21) and the gearbox (30) are respectively arranged at two ends of the frame (20), an extension frame (28) is further arranged at the middle section of the frame (20), an output shaft of the gearbox (30) penetrates through a bearing seat of the extension frame (28), and the ditching cutter assembly (60) is arranged along the output shaft of the gearbox (30).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811177427.3A CN109041678B (en) | 2018-10-10 | 2018-10-10 | Rear-mounted ditching machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811177427.3A CN109041678B (en) | 2018-10-10 | 2018-10-10 | Rear-mounted ditching machine |
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| CN109041678A CN109041678A (en) | 2018-12-21 |
| CN109041678B true CN109041678B (en) | 2024-02-09 |
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| CN201811177427.3A Active CN109041678B (en) | 2018-10-10 | 2018-10-10 | Rear-mounted ditching machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109618612B (en) * | 2019-01-11 | 2023-09-29 | 河南省林业科学研究院 | Ditching machine |
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| US9433142B2 (en) * | 2011-11-08 | 2016-09-06 | Buhler Ezee-On Inc. | Tool control system for agricultural seeders |
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Effective date of registration: 20240114 Address after: 237484 Modian Village, Linhuaigang Township, Huoqiu County, Lu'an City, Anhui Province Applicant after: Huoqiu County Kailin Machinery Manufacturing Co.,Ltd. Address before: 237484 Zhu'er Group, Modian Village, Linhuaigang Township, Huoqiu County, Lu'an City, Anhui Province Applicant before: Tian Kailin |
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