CN217657012U

CN217657012U - Rear-mounted ditching machine

Info

Publication number: CN217657012U
Application number: CN202221372712.2U
Authority: CN
Inventors: 田开林
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-03
Filing date: 2022-06-03
Publication date: 2022-10-28
Anticipated expiration: 2032-06-03

Abstract

The utility model relates to a rear-mounted ditching machine, include the installation box of being connected with four-wheel tractor tail end hinge, the articulated shaft level and the length direction of installation box are perpendicular with four-wheel tractor's car length direction, be connected through the connecting piece between installation box and the four-wheel tractor tail end, the connecting piece action just is used for adjusting the installation box around four-wheel tractor articulated shaft turned angle, the one end of installation box is provided with ditching cutter assembly, in the drive shaft of ditching cutter assembly stretched into the installation box, the other end of installation box is provided with the input shaft, be connected through transition connection mechanism between input shaft and the drive shaft, this rear-mounted ditching machine can replace belt driven mode, improves the stability that this ditching machine used, reduces use cost and manufacturing cost.

Description

Rear-mounted ditching machine

Technical Field

The utility model belongs to the technical field of agricultural machine technique and specifically relates to a rear-mounted ditching machine.

Background

The ditching machine can be used for digging narrow and deep underground grooves in building engineering to embed underground drainage pipelines, or be used for embedding cables, pipelines and the like in departments of railways, post and telecommunications, urban construction and the like, and can also be used for ditching, fertilizing, draining, planting and irrigating in orchards, vegetable gardens and other farmland environments.

In a patent publication filed by the applicant in 2018, 10.10 and named as a rear left ditching machine (patent number: 201821644482.4), the applicant discloses agricultural equipment capable of mounting the ditching machine at the rear position of a four-wheel tractor, wherein the rear ditching machine comprises a rack hinged to the tail end of the four-wheel tractor, a gearbox is arranged on the rack, an input shaft of the gearbox is connected with a driving wheel of the four-wheel tractor through a transmission mechanism, an output shaft of the gearbox is provided with a ditching tool assembly, the tail end of the four-wheel tractor is provided with a hydraulic boom, the rack is hinged to one end of the hydraulic boom at the hinged connection end of the tail end of the four-wheel tractor, the hydraulic boom rotates and is used for adjusting the rotation angle of the rack around a hinge shaft, the ditching tool assembly for ditching is fixed on the rack, an operator can operate the hydraulic boom arranged on the four-wheel tractor through operating the rotary hydraulic boom, the rotary hydraulic boom can implement ditching rotation adjustment of the rack, further implement the up-down direction hinge shaft adjustment of the ditching tool assembly, so that the ditching tool assembly is cut into the proper depth of the ground, and the operator can drive the four-wheel tractor through the four-wheel tractor to effectively improve the ditching operation convenience and the efficiency of the four-wheel tractor.

In the above-mentioned patent, the pivot of the ditching cutter assembly of drive ditching machine and the output shaft of gearbox, be provided with the band pulley on the input shaft of gearbox, the band pulley passes through the belt and is connected with four-wheel tractor's band pulley, above-mentioned ditching machine is when the actual production uses, on the one hand manufacturing cost is higher, on the other hand is owing to adopt the belt to be connected ditching cutter assembly and four-wheel tractor's band pulley, earth that produces among the actual ditching process gets into in the belt pulley very easily, and then cause the belt to skid or the belt is scrapped, often need shut down to clear up or change the belt at actual ditching in-process, there is inconvenient condition in causing this ditching machine practical application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the rear-mounted ditcher can replace a belt driving mode, improves the use stability of the ditcher, and reduces the use cost and the production cost.

The utility model provides a solve technical problem and adopt following technical scheme:

rear-mounted ditching machine, include the installation box of being connected with four-wheel tractor tail end is articulated, the articulated shaft level and the length direction of installation box are perpendicular with four-wheel tractor's car length direction, be connected through the connecting piece between installation box and the four-wheel tractor tail end, the connecting piece action just is used for adjusting the installation box around four-wheel tractor articulated shaft turned angle, the one end of installation box is provided with ditching cutter assembly, the drive shaft of ditching cutter assembly stretches into in the installation box, the other end of installation box is provided with the input shaft, be connected through transition coupling mechanism between input shaft and the drive shaft.

The utility model discloses still there is following technical characteristic:

the input shaft is connected with a power mechanism of the four-wheel tractor through a clutch mechanism.

The transition connecting mechanism comprises gears arranged on a driving shaft and an input shaft, transition gears are sequentially arranged on the installation box body, and the gears on the driving shaft and the input shaft are meshed with the transition gears.

The transition connecting mechanism comprises chain wheels arranged on a driving shaft and an input shaft, and the chain wheels of the driving shaft and the input shaft are connected into a whole through a chain.

The installation box is close to four-wheel tractor tail end position and is provided with the axis of rotation, the cover is equipped with adjusting sleeve in the axis of rotation, adjusting sleeve outer wall extends and is provided with the rotation axle sleeve, it is parallel and to pass through the articulated shaft with adjusting sleeve and be connected with four-wheel tractor's tail end to rotate the axle sleeve, the outer wall extension of rotation axle sleeve is provided with the tensioning board, the tensioning board is provided with the tensioning lead screw, the rod end of tensioning lead screw and four-wheel tractor's tail end support lean on, the tensioning lead screw supports with four-wheel tractor's tail end and supports and the interlock rotates adjusting sleeve around the tube core rotation of rotating the axle sleeve, the axis of rotation is in same axis with the input shaft.

The mounting box body is provided with a center shaft at a position close to the tail end of the four-wheel tractor, the length direction of the center shaft is horizontal and vertical to the length direction of the four-wheel tractor, and the center shaft is rotatably arranged at the tail end of the four-wheel tractor.

The input shaft and the middle shaft are positioned on the same axis.

The connecting piece is including setting up the hydraulic boom on four-wheel tractor's tail end, the installation box is articulated with four-wheel tractor tail end articulated link and hydraulic boom's one end, hydraulic boom is located four-wheel tractor tail end both sides and is provided with two, hydraulic boom's overhang end is articulated with the one end of jib, the other end of jib is articulated with the middle section position of installation box, the both ends articulated shaft level of jib just is perpendicular with four-wheel tractor's car length direction.

The connecting piece includes the pneumatic cylinder of being connected with the installation box, the cylinder body of pneumatic cylinder is articulated with the tail end of four-wheel tractor.

The middle section position of installation box is provided with the extension rod, the extension rod level just is perpendicular with frame length direction, be provided with on the extension rod and keep off the native board, keep off native board and extend and be located the side arrangement of ditching cutter assembly along installation box length direction.

Compared with the prior art, the beneficial effects of the utility model embody: the drive shaft of this rear-mounted ditching machine's ditching cutter assembly stretches into in the mounting box to realize stating the drive shaft of ditching cutter assembly and being connected of input shaft through transition coupling mechanism, replace the use of belt among the prior art, make transition coupling mechanism place in the mounting box internal, avoid earth to get into the equipment damage that causes, this rear-mounted ditching machine frame can replace belt drive's mode, improves the stability that this ditching machine used, reduction use cost and manufacturing cost.

Drawings

FIG. 1 is a front view of a rear-mounted ditcher mounted with a four-wheel tractor;

FIGS. 2 and 3 are schematic structural views of two embodiments of a post-furrowing machine;

FIGS. 4 and 5 are front views of two embodiments of a post-furrowing machine;

FIG. 6 is a front view of a first embodiment of a post-furrowing machine;

FIG. 7 is a front view of a second embodiment of a post-furrowing machine.

Detailed Description

With reference to fig. 1 to 7, the structural features of the present postpositional ditcher are detailed as follows:

the rear-mounted ditcher comprises a mounting box body 80 hinged with the tail end of the four-wheel tractor 10, wherein a hinged shaft of the mounting box body 80 is horizontal, the length direction of the hinged shaft is vertical to the vehicle length direction of the four-wheel tractor 10, the mounting box body 80 is connected with the tail end of the four-wheel tractor 10 through a connecting piece, the connecting piece acts and is used for adjusting the rotation angle of the mounting box body 80 around the hinged shaft of the four-wheel tractor 10, one end of the mounting box body 80 is provided with a ditching cutter assembly 60, a driving shaft 61 of the ditching cutter assembly 60 extends into the mounting box body 80, the other end of the mounting box body 80 is provided with an input shaft 81, and the input shaft 81 is connected with the driving shaft 61 through a transition connection mechanism;

this rear-mounted ditching machine's ditching cutter assembly's drive shaft 61 stretches into in the installation box 80, and realize through transition coupling mechanism that drive shaft 61 and input shaft 81 of stating ditching cutter assembly 60 are connected, replace the use of belt among the prior art, make transition coupling mechanism place in installation box 80, avoid earth to get into the equipment damage that causes, this rear-mounted ditching machine frame, can replace belt driven mode, improve the stability that this ditching machine used, use cost and manufacturing cost are reduced.

As a first preferred scheme of the utility model, it is shown in combination with fig. 3, the connecting piece is including setting up the hydraulic pressure davit 40 on the tail end of four-wheel tractor 10, installation box 80 is articulated with four-wheel tractor 10 tail end articulated link and hydraulic pressure davit 40's one end, hydraulic pressure davit 40 is located four-wheel tractor 10 tail end both sides and is provided with two, hydraulic pressure davit 40's overhang end is articulated with jib 41's one end, jib 41's the other end is articulated with the middle section position of installation box 80, jib 41's both ends articulated shaft level just is perpendicular with four-wheel tractor 10's car length direction.

In the actual use process of the hydraulic boom 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 boom 40 is independently realized, the mounting box body 80 and the ditching cutter assembly 60 are lifted and lowered, and the ditching work and the halt are further implemented;

as a second preferred scheme of the present invention, as shown in fig. 4, the connecting member includes a hydraulic cylinder connected to the mounting box 80, and a cylinder body of the hydraulic cylinder is hinged to the tail end of the four-wheel tractor 10;

referring to fig. 1 and 2, a ditching cutter assembly 60 for ditching is fixed on installation box 80, operating personnel is through the hydraulic boom 40 action bars of manipulating the four-wheel tractor 10 and last setting, the realization is rotated the regulation to hydraulic boom 40, thereby the implementation is rotated the regulation to the articulated shaft of installation box 80, adjust the ditching degree of depth of ditching cutter assembly 60 in order to realize, so that ditching cutter assembly 60 cuts into to the suitable degree of depth in ground, operating personnel ditches through driving four-wheel tractor 10, thereby can effectively improve the convenient degree of ditching operation, improve ditching efficiency.

As a first embodiment of the present invention, as shown in fig. 2, it is also a preferable scheme that the installation box 80 is provided with a rotation shaft 89 near the tail end of the four-wheel tractor 10, the rotation shaft 89 is sleeved with an adjusting sleeve 88, the outer wall of the adjusting sleeve 88 is extended and provided with a rotation shaft sleeve 881, the rotation shaft sleeve 881 is parallel to the adjusting sleeve 88 and connected with the tail end of the four-wheel tractor 10 through a hinge shaft, the outer wall of the rotation shaft sleeve 881 is extended and provided with a tensioning plate 882, the tensioning plate 882 is provided with a tensioning screw 883, the rod end of the tensioning screw 883 abuts against the tail end of the four-wheel tractor 10, the tensioning screw 883 abuts against the tail end of the four-wheel tractor 10 and drives the rotation adjusting sleeve 88 to rotate around the core of the rotation shaft sleeve 881, and the rotation shaft 89 and the input shaft 81 are on the same axis;

the above-mentioned axis of rotation 89 is provided with adjusting sleeve 88 through last, adjusting sleeve 88 outer wall extends and is provided with rotation axle sleeve 881, adjusting sleeve 881 passes through the hinge joint with the tail end of four-wheel tractor 10 and is provided with tensioning plate 882 in the outer wall extension of the above-mentioned rotation axle sleeve 881, tensioning plate 882 is provided with tensioning lead screw 883, make tensioning lead screw 883 support with the tail end of four-wheel tractor 10 and lean on, through rotating tensioning lead screw 883, and then make adjusting sleeve 88 rotatory around the tube core of rotation axle sleeve 881, and then adjust the rate of tension of belt on the pulley on axis of rotation 89 and the axis of rotation 89.

When the rotating shaft 89 and the input shaft 81 are coaxial, the entire mounting case 80 is raised or lowered when the mounting case 80 and the rotating shaft 89 rotate, so that the cutter assembly 60 is raised or lowered, and the input shaft 81 can be coaxial with the rotating shaft of the mounting case 80 and the cutter assembly 60.

An operator operates the operating rod of the hydraulic boom 40 to implement the rotation adjustment of the rotating shaft 89 at the driving position of the four-wheel tractor 10, so that the ditching depth of the ditching tool assembly 60 can be adjusted, and the arrangement of the whole transmission mechanism is convenient;

as a second embodiment of the present invention, referring to fig. 3, a middle shaft 86 is disposed at a position of the mounting box 80 near the tail end of the four-wheel tractor 10, the length direction of the middle shaft 86 is horizontal and perpendicular to the length direction of the four-wheel tractor 10, the middle shaft 86 is rotatably disposed at the tail end of the four-wheel tractor 10, and the connecting member 40 rotates and is used for adjusting the mounting box 80 to rotate around the tail end of the four-wheel tractor 10; the input shaft 81 and the middle shaft 86 are positioned on the same axis;

the central shaft 86 directly rotates with the rear end of the four-wheel tractor 10, and when the input shaft 81 and the central shaft 86 are on the same axis, the whole mounting case 80 is raised or lowered when the mounting case 80 and the central shaft 86 rotate around the hinge joint of the rear end of the four-wheel tractor 10, so that the cutter assembly 60 is raised or lowered, and the input shaft 81 can be coaxial with the rotation axis of the mounting case 80 and the cutter assembly 60.

In practical application, the input shaft 81 and the middle shaft 86 are not necessarily required to be absolutely coaxial, and when the mounting box 80 rotates around the tail end of the four-wheel tractor 10, the input shaft 81 can normally drive the ditching cutter assembly 60 to rotate.

An operator operates the operating rod of the hydraulic boom 40 to implement the rotation adjustment of the middle shaft 86 at the driving position of the four-wheel tractor 10, so that the ditching depth of the ditching tool assembly 60 is adjusted, and the arrangement of the whole transmission mechanism is convenient;

as a preferable embodiment of the present invention, the input shaft 81 is connected to the power mechanism of the four-wheel tractor 10 through a clutch mechanism.

The input shaft 81 may be a clutch shaft on a clutch disc, or may be designed separately as an input shaft, and the power mechanism of the four-wheel tractor 10 is disconnected from and connected to the input shaft 81 through a clutch mechanism.

The clutch mechanism may be a clutch member commonly used in the art.

With reference to the drawings, the input shaft 81 is provided with a belt wheel, and the belt wheel is connected with other power wheels of the four-wheel tractor 10 through a belt, so as to drive the slotting cutter tool assembly 60.

Referring to fig. 5, as a first embodiment of the present invention, the transition connection mechanism includes a gear 83 disposed on the driving shaft 61 and the input shaft 81, a transition gear 84 is sequentially disposed on the mounting box 80, and the gear 83 on the driving shaft 61 and the input shaft 81 is engaged with the transition gear 84.

The gear 83 on the drive shaft 61 and the input shaft 81 are sequentially engaged with each other by a transition gear 84 provided in the mounting case 80, and the drive shaft 61 and the input shaft 81 are connected to each other to drive the drive shaft 61.

Referring to fig. 6, as a second embodiment of the present invention, the transition connection mechanism includes a sprocket 85 disposed on the driving shaft 61 and the input shaft 81, and the sprocket 85 of the driving shaft 61 and the input shaft 81 are connected together by a chain.

Furthermore, in order to block the soil thrown away, an extension rod 87 is arranged at the middle section of the installation box body 80, the extension rod 87 is horizontal and vertical to the length direction of the installation box body 80, a soil retaining plate 50 is arranged on the extension rod 87, and the soil retaining plate 50 extends along the length direction of the installation box body 80 and is arranged beside the ditching cutter assembly 60;

the structure of the mounting box body 80 is not limited to the form in the embodiment, the frame of the ditcher is convenient to process, the cost is low, and the supporting strength of the mounting box body 80 can be ensured to be good.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Rear-mounted ditching machine, its characterized in that: the four-wheel tractor with the ditching cutter assembly comprises an installation box body (80) hinged to the tail end of a four-wheel tractor (10), wherein a hinged shaft of the installation box body (80) is horizontal, the length direction of the hinged shaft of the installation box body is perpendicular to the length direction of the four-wheel tractor (10), the installation box body (80) is connected with the tail end of the four-wheel tractor (10) through a connecting piece, the connecting piece acts and is used for adjusting the rotation angle of the installation box body (80) around the hinged shaft of the four-wheel tractor (10), the ditching cutter assembly (60) is arranged at one end of the installation box body (80), the ditching cutter assembly (60) is connected with a driving shaft (61), an input shaft (81) is arranged at the other end of the installation box body (80), and the input shaft (81) is connected with the driving shaft (61) through a transition connection mechanism.

2. The post-furrowing machine according to claim 1, wherein: the input shaft (81) is connected with a power mechanism of the four-wheel tractor (10) through a clutch mechanism.

3. The post-furrowing machine according to claim 1, wherein: the transition connection mechanism comprises gears (83) arranged on a driving shaft (61) and an input shaft (81), transition gears (84) are sequentially arranged on the installation box body (80), and the gears (83) on the driving shaft (61) and the input shaft (81) are meshed with the transition gears (84).

4. The postposition type ditcher of claim 1, wherein: the transition connection mechanism comprises chain wheels (85) arranged on the driving shaft (61) and the input shaft (81), and the chain wheels (85) of the driving shaft (61) and the input shaft (81) are connected into a whole through a chain.

5. The postposition type ditcher of claim 1, wherein: installation box (80) are close to four-wheel tractor (10) tail end position and are provided with axis of rotation (89), the cover is equipped with adjusting sleeve (88) on axis of rotation (89), adjusting sleeve (88) outer wall extension is provided with rotation axle sleeve (881), rotation axle sleeve (881) is parallel and is connected through the articulated shaft with the tail end of four-wheel tractor (10), the outer wall extension of rotation axle sleeve (881) is provided with tensioning board (882), tensioning board (882) is provided with tensioning lead screw (883), the rod end of tensioning lead screw (883) supports with the tail end of four-wheel tractor (10) and leans on and the linkage rotates the rotatory tube core that adjusting sleeve (88) revoluted axis of rotation cover (881), tensioning lead screw (883) and the tail end of four-wheel tractor (10) support and rotate the tube core.

6. The postposition type ditcher of claim 1, wherein: the mounting box body (80) is provided with a middle shaft (86) close to the tail end of the four-wheel tractor (10), the length direction of the middle shaft (86) is horizontal and is vertical to the length direction of the four-wheel tractor (10), and the middle shaft (86) is rotatably arranged at the tail end of the four-wheel tractor (10).

7. The postposition type ditcher of claim 1, wherein: the connecting piece includes jib (41), be provided with hydraulic boom (40) on the tail end of four-wheel tractor (10), installation box (80) are articulated with the one end of four-wheel tractor (10) tail end articulated link and hydraulic boom (40), hydraulic boom (40) are located four-wheel tractor (10) tail end both sides and are provided with two, the overhang end of hydraulic boom (40) is articulated with the one end of jib (41), the other end of jib (41) is articulated with the middle section position of installation box (80).

8. The postposition type ditcher of claim 1, wherein: the connecting piece includes the pneumatic cylinder of being connected with installation box (80), the cylinder body of pneumatic cylinder is articulated with the tail end of four-wheel tractor (10).

9. The post-ditching machine of claim 7 or 8, wherein: the middle section position of installation box (80) is provided with extension rod (87), extension rod (87) level and perpendicular with installation box (80) length direction, be provided with fender native board (50) on extension rod (87), keep off native board (50) and extend and be located the side arrangement of ditching cutter assembly (60) along installation box (80) length direction.