CN111492751A

CN111492751A - Chain ditching machine ditching device that work efficiency is high

Info

Publication number: CN111492751A
Application number: CN202010452663.2A
Authority: CN
Inventors: 方彭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-08-07

Abstract

The invention discloses a chain-type ditcher ditching device with high working efficiency, which belongs to the technical field of machinery and comprises an installation component, a transmission component and a ditching chain component, wherein the installation component is positioned at the top of the whole device, the transmission component is arranged in the installation component, and the ditching chain component is arranged on the transmission component. The continuous stability of ditching is strengthened, the ditching efficiency has been improved.

Description

Chain ditching machine ditching device that work efficiency is high

Technical Field

The invention relates to the technical field of machinery, in particular to a ditching device of a chain type ditcher, which has high working efficiency.

Background

The ditching technique can be used to rivers guide, afforestation, many-sided such as agricultural cultivation, adopt the ditching machine to ditch has improved operating personnel's ditching efficiency greatly, the manpower has been liberated, the ditching technique is used and can be improved farming efficiency in the agricultural, other farming equipment of reunion can realize ploughing, the ditching, plant, the complete flow of full mechanization of landfill, can liberate the whole flows of manpower completion farming completely, but the ditching machine among the prior art easily causes extensive wearing and tearing or even damage to equipment when meetting the high rigidity barrier in the ditching process, be unfavorable for the long-term maintenance of equipment, accelerate the machine damage speed, and damage can prolong the ditching time cost in the operation process, so people need a chain ditching machine ditching device that work efficiency is high.

Disclosure of Invention

The invention aims to provide a ditching device of a chain type ditcher with high working efficiency, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a chain ditching machine ditching device that work efficiency is high, includes installation component, drive assembly, ditching chain subassembly, chain supporting component, keeps away the barrier subassembly, the installation component is located the top of whole set of device, plays the effect of fixing this device on external mobile device, the inside drive assembly that is provided with of installation component, drive assembly plays the effect of providing power for this device, the last ditching chain subassembly that is provided with of drive assembly, the ditching chain subassembly plays the effect of dialling earth from ground, the installation component lower extreme is provided with the chain supporting component, the chain supporting component plays the effect of supporting chain, be provided with on the chain supporting component and keep away the barrier subassembly, keep away the barrier subassembly and play the effect of avoiding the high rigidity object that buries in the earth.

The mounting assembly comprises a mounting shell, a fixing hole and a chain groove hole, the mounting shell is located on the uppermost side of the mounting assembly, the fixing hole is formed in the surface of the mounting shell, the chain groove hole is formed in the lower end of the mounting shell, and the mounting shell is fixed at the rear of an external movable device through the fixing hole by utilizing fixing parts such as screws.

The transmission assembly comprises a motor, a chain transmission gear and a limit baffle, the motor is fixedly arranged in the mounting shell, the chain transmission gear is fixedly arranged on a motor rotor, the limit baffle is fixedly arranged at two ends of the chain transmission gear in the horizontal direction, one end of the ditching chain assembly is meshed on a tooth space of the chain transmission gear through a first tension spring, the end far away from the chain transmission gear is meshed on a tooth space of the driven chain gear, the middle part of the chain is limited and supported by a smooth groove on a chain guide concave plate and cannot touch the obstacle avoidance assembly, the mounting direction needs to pay attention to ensure that the limit assembly inclines towards the ground direction, the motor is connected with an external power supply, the motor drives the chain transmission gear to rotate, the chain transmission gear drives the ditching chain assembly to move, the driven chain gear plays a role in supporting and guiding the ditching, the ditching bull-dozer board can be upwards dialled earth's surface earth, and this device of cooperation is moved forward, forms the effect of ditching to the earth's surface.

The ditching chain assembly comprises a chain block, a clamping groove, a clamping bar, an installation linking block and a ditching bulldozer plate, the chain block is installed on the wheel teeth of the chain transmission gear in a meshed mode, the chain block is close to one side of the chain transmission gear and is provided with a wheel tooth groove, the wheel tooth groove on the chain transmission gear is clamped into the wheel tooth groove, the clamping groove is formed in one end of the chain block, the chain block is far away from one end of the clamping groove, the clamping bar is fixedly installed on one side of the chain block adjacent to the clamping groove, the clamping bar is clamped into the clamping groove on the chain block and is connected with a chain step by step to form a chain, the installation linking block is far away from one side of the chain transmission gear and is fixedly installed on one side of the chain block, the installation linking block is far away from one side of the chain block and is provided with the ditching bulldozer plate, and the chain support assembly comprises, Driven chain gear, fixed mounting has the upper bracket on the chain slotted hole inside wall, the lower carriage is installed in the rotation of upper bracket below, fixed mounting has horizontal bracing piece on upper bracket and the lower carriage lateral wall, horizontal bracing piece is kept away from upper bracket one side fixed mounting and is had chain direction concave plate, lower carriage bottom fixed mounting has the driven gear erection column, driven gear erection column bottom rotation installs driven chain gear, and this device removes the in-process of ditching forward, if ditching bull-dozing plate meets high hardness barrier at the soil shifting in-process, for example big stone or root of a tree, can block the operation of ditching bull-dozing plate, ditching bull-dozing plate and lower carriage can receive the thrust effect that comes from the device removal opposite direction, when thrust is enough big.

The obstacle avoidance component comprises a first tension spring, a second tension spring, a cambered surface clamping block, a cambered surface clamping groove and a limiting component, wherein the inner side wall of the lower support frame is transversely and fixedly provided with the first tension spring, the first tension spring connects two sides of the lower support frame, one side of the upper end of the lower support frame is fixedly provided with the cambered surface clamping block, the inner side wall of one side of the upper support frame is transversely and fixedly provided with the second tension spring, one end, far away from the upper support frame, of the second tension spring is fixedly connected with the cambered surface clamping block, one side, close to the cambered surface clamping block, of the upper support frame is provided with the cambered surface clamping groove, the cambered surface clamping block is clamped into the cambered surface clamping groove, the limiting component is arranged below the cambered surface clamping groove and comprises a first sliding block, a second sliding block and a sliding limiting guide bar, the first sliding, the first slide block is provided with a sliding limiting guide strip in a sliding mode, one end, far away from the first slide block, of the sliding limiting guide strip is connected with the second slide block in a sliding mode, the first slide block and the second slide block can slide in the sliding limiting guide strip, the lower support frame is rotated under the thrust, the cambered surface fixture block can slide out of the cambered surface clamping groove and push against the inner side wall of the upper support frame, the second tension spring and the first tension spring are compressed by the reaction force caused by the pushing, the second slide block and the first slide block can also slide in the sliding limiting guide strip in the process until the second slide block and the first slide block respectively slide to two ends of the sliding limiting guide strip, the sliding limiting guide strip plays a limiting role at the moment, the first slide block and the second slide block cannot continuously slide, the lower support frame cannot continuously rotate, and the cambered surface cannot be separated from the inner part of the upper support frame, this device of being convenient for resumes original state, the lower carriage is rotatory to be produced crooked, reach the effect of avoiding from the barrier top, after avoiding the barrier, the cambered surface fixture block resumes under the effect of deformation power in the oblique top of second tension spring, card gradually again inside the cambered surface draw-in groove, the lower carriage also resumes vertical state thereupon, can continue to carry out the ditching operation, cambered surface fixture block bottom plane has strengthened the effect of blocking of cambered surface fixture block and cambered surface draw-in groove, make this device can not promoted the slope by light obstacles such as small stone or thin narrow root of a tree, ensured that this device can carry out the ditching operation smoothly.

A smooth groove is formed in one side, away from the upper support frame, of the chain guide concave plate, and the smooth groove plays a role in supporting a chain.

The bottom of the end, close to the second tension spring, of the cambered surface fixture block is a plane 2-2.5 cm long, the plane plays a role in increasing the fixing effect of the cambered surface fixture block, the device is prevented from being easily pushed and incapable of normally ditching, the end, far away from the second tension spring, of the cambered surface fixture block is a smooth curved surface fixture block, and the smooth curved surface is designed to facilitate the sliding of the cambered surface fixture block away from the cambered surface fixture groove.

The first sliding block is fixedly mounted on one side, away from the upper support frame, of the first sliding block, the second sliding block is fixedly mounted on one side, away from the lower support frame, of the second sliding block, and the stop block is arranged to facilitate preventing the sliding limiting guide strip from falling off.

Compared with the prior art, the invention has the beneficial effects that:

the device adopts a chain type driving ditching bulldozer to dig up to finish the ditching effect of the earth surface, ensures the softness of the earth while finishing the ditching effect, does not cause large pressure to the earth to press the earth tightly, can be suitable for agricultural cultivation ditching operation, and enlarges the application range of the device;

the device effectively realizes the effect of avoiding the high-hardness barrier by using the barrier avoiding component, so that the device cannot cause large-scale damage to the chain due to the reaction thrust of the high-hardness barrier, and can also effectively avoid the phenomenon of loose installation of the device due to the reaction thrust, thereby greatly reducing the maintenance cost of the device and simultaneously improving the safety degree of the operating environment of operators;

the automatic obstacle avoidance capacity of the obstacle avoidance assembly can automatically recover to the original state after the obstacle is avoided, so that the device can automatically continue ditching, the device cannot stop running or slowly run to delay a large amount of time due to obstacle avoidance, the continuous stability of ditching is enhanced, and the ditching efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a chain ditcher ditching device with high work efficiency;

FIG. 2 is a schematic view of the internal structure of a mounting housing of the ditching device of the chain-type ditcher of high working efficiency of the invention;

FIG. 3 is a schematic view of a detailed structure and position of the ditching device of the chain type ditcher with high working efficiency in a normal ditching state;

FIG. 4 is a schematic diagram of a detailed structure and position of the ditching device of the chain type ditcher with high working efficiency in an obstacle avoidance state;

FIG. 5 is an enlarged structural schematic view of the area A in FIG. 3 of the ditching device of the chain-type ditcher with high working efficiency of the invention;

FIG. 6 is an enlarged structural schematic view of a region B in FIG. 4 of the ditching device of the chain-type ditcher with high working efficiency of the invention;

FIG. 7 is a schematic structural view of a ditching chain assembly of the ditching device of the chain-type ditcher with high working efficiency;

FIG. 8 is a schematic structural view of a chain support assembly of the ditching device of the chain ditcher with high work efficiency.

Reference numbers in the figures: 101. installing a shell; 102. a fixing hole; 103. a chain slot; 201. a motor; 202. a chain drive gear; 203. a limit baffle; 301. a chain block; 302. a card slot; 303. clamping the strip; 304. installing a connecting block; 305. ditching a bulldozer; 401. an upper support frame; 402. a lower support frame; 403. a transverse support bar; 404. a chain guide concave plate; 405. a driven gear mounting post; 406. a driven chain gear; 501. a first tension spring; 502. a second tension spring; 503. a cambered surface clamping block; 504. a cambered surface clamping groove; 601. a first slider; 602. a second slider; 603. and sliding the limiting guide strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-8, a chain ditching machine ditching device that work efficiency is high, including the installation component, transmission assembly, ditching chain subassembly, chain supporting component, keep away barrier subassembly, the installation component is located the top of whole set of device, play and fix the effect on external mobile device with this device, the inside transmission assembly that is provided with of installation component, transmission assembly plays and provides the effect of power for this device, the last ditching chain subassembly that is provided with of transmission assembly, ditching chain subassembly plays the effect of dialling earth from ground, the installation component lower extreme is provided with chain supporting component, chain supporting component plays the effect of supporting the chain, be provided with on the chain supporting component and keep away barrier subassembly, keep away barrier subassembly and play the effect of avoiding the high rigidity object that buries in the earth.

The mounting assembly comprises a mounting shell 101, a fixing hole 102 and a chain slot 103, wherein the mounting shell 101 is located at the uppermost part of the device, the fixing hole 102 is formed in the surface of the mounting shell 101, the chain slot 103 is formed in the lower end of the mounting shell 101, and the mounting shell 101 is fixed behind an external movable device through the fixing hole 102 by using fixing parts such as screws.

The transmission assembly comprises a motor 201, a chain transmission gear 202 and a limit baffle 203, the motor 201 is fixedly installed inside the installation shell 101, the chain transmission gear 202 is fixedly installed on a rotor of the motor 201, the limit baffle 203 is fixedly installed at two ends of the chain transmission gear 202 in the horizontal direction, one end of the ditching chain assembly is meshed on a tooth groove of the chain transmission gear 202 through a first tension spring 501, one end far away from the chain transmission gear 202 is meshed on a tooth groove of a driven chain gear 406, the middle part of the chain is limited and supported by a smooth groove on a chain guide concave plate 404 without touching the obstacle avoidance assembly, the installation direction is ensured that the limit assembly inclines towards the ground direction, the motor 201 is connected with an external power supply, the motor 201 drives the chain transmission gear 202 to rotate, the chain transmission gear 202 drives the ditching chain assembly to move, and the driven chain gear 406, ditching chain subassembly is at the operation in-process, and ditching bull-dozer board 305 can be upwards dialled earth's surface earth, coordinates this device and moves forward, forms the effect of ditching to the earth's surface.

The ditching chain assembly comprises a chain block 301, a clamping groove 302, a clamping bar 303, an installation connecting block 304 and a ditching dozer board 305, the chain block 301 is installed on the gear teeth of the chain transmission gear 202 in a meshed mode, a gear tooth groove is formed in one side, close to the chain transmission gear 202, of the chain block 301, the gear teeth of the chain transmission gear 202 are clamped into the gear tooth groove, the clamping groove 302 is formed in one end of the chain block 301, the clamping bar 303 is fixedly installed at one end, far away from the clamping groove 302, of the chain block 301, the chain block 301 is provided with a plurality of clamping bars 301, the clamping bars 303 are clamped into the clamping grooves 302 of the adjacent chain blocks 301 and connected step by step to form a chain, the installation connecting block 304 is fixedly installed at one side, far away from the chain transmission gear 202, of the installation connecting block 304, the ditching dozer board 305 is fixedly installed at one side, far away from the chain block, Driven gear erection column 405, driven chain gear 406, fixed mounting has upper bracket 401 on the chain slot 103 inside wall, upper bracket 401 below is rotatory to be installed and is down braced frame 402, upper bracket 401 and lower support 402 on the lateral wall fixed mounting have horizontal bracing piece 403, horizontal bracing piece 403 keeps away from upper bracket 401 one side fixed mounting have chain direction concave plate 404, lower support 402 bottom fixed mounting has driven gear erection column 405, driven chain gear 406 is rotatory to be installed to driven gear erection column 405 bottom, the in-process of this device forward removal ditching, if ditching bull dozer board 305 meets high hardness barrier at the soil shifting in-process, for example, boulder or root, can block the operation of ditching bull dozer board 305, ditching bull dozer board 305 and lower support 402 can receive the thrust effect that comes from the device removal opposite direction, when thrust is enough big.

The obstacle avoidance component comprises a first tension spring 501, a second tension spring 502, an arc-shaped clamping block 503, an arc-shaped clamping groove 504 and a limiting component, the first tension spring 501 is transversely and fixedly arranged on the inner side wall of the lower support frame 402, the first tension spring 501 connects the two sides of the lower support frame 402, the arc-shaped clamping block 503 is fixedly arranged on one side of the upper end of the lower support frame 402, the second tension spring 502 is transversely and fixedly arranged on the inner side wall of one side of the upper support frame 401, one end of the second tension spring 502 far away from the upper support frame 401 is fixedly connected with the arc-shaped clamping block 503, the arc-shaped clamping groove 504 is arranged on one side of the upper support frame 401 close to the arc-shaped clamping block 503, the arc-shaped clamping block 503 is clamped inside the arc-shaped clamping groove 504, the limiting component is arranged below the arc-shaped clamping groove 504, the limiting component comprises a first sliding block 601, a, a sliding limit guide strip 603 is slidably mounted on the first slider 601, one end of the sliding limit guide strip 603, which is far away from the first slider 601, is slidably connected with the second slider 602, the first slider 601 and the second slider 602 can slide inside the sliding limit guide strip 603, the lower support frame 402 is rotated by thrust, the arc-shaped fixture block 503 can slide and separate from the arc-shaped fixture groove 504, and push against the inner side wall of the upper support frame 401, the reaction force caused by the push against can compress the second tension spring 502 and the first tension spring 501, during this process, the second slider 602 and the first slider 601 can also slide inside the sliding limit guide strip 603, until the second slider 602 and the first slider 601 respectively slide to two ends of the sliding limit guide strip 603, at this time, the sliding limit guide strip 603 plays a limiting role, the first slider 601 and the second slider 602 can not slide continuously, and the lower support frame 402 can not rotate continuously, this has ensured that cambered surface fixture block 503 can not break away from inside upper bracket 401, be convenient for this device to resume original condition, lower support frame 402 is rotatory to produce askew, reach the effect of avoiding from the barrier top, after avoiding the barrier, cambered surface fixture block 503 is under the oblique top restoring force effect of deformation power of second tension spring 502, block gradually inside cambered surface draw-in groove 504 again, lower support frame 402 also resumes vertical state thereupon, can continue to carry out ditching operation, the clamping effect of cambered surface fixture block 503 and cambered surface draw-in groove 504 has been strengthened to cambered surface fixture block 503 bottom plane, make this device can not promote the slope by light obstacles such as small stone or thin narrow root, ensured this device can smoothly carry out ditching operation.

One side of the chain guide concave plate 404, which is far away from the upper support frame 401, is provided with a smooth groove, and the smooth groove plays a role in supporting a chain.

The bottom of the arc-shaped fixture block 503 close to the end of the second tension spring 502 is a plane 2-2.5 cm long, which has the function of increasing the fixing effect of the arc-shaped fixture block 503, so that the device is prevented from being easily pushed and unable to ditch normally, the end of the arc-shaped fixture block 503 far away from the second tension spring 502 is the smooth curved fixture block 503, and the smooth curved design facilitates the sliding of the arc-shaped fixture block 503 away from the arc-shaped fixture groove 504.

The first sliding block 601 is fixedly mounted on one side, away from the upper support frame 401, of the first sliding block, the second sliding block 602 is fixedly mounted on one side, away from the lower support frame 402, of the second sliding block, and the sliding limiting guide strip 603 is prevented from falling off conveniently by the aid of the stop.

The working principle is as follows:

the mounting shell 101 is fixed at the rear end of an external movable device through a fixing hole 102 by utilizing fixing parts such as a screw and the like, a ditching chain assembly is meshed on a tooth space of a chain transmission gear 202 through one end of a first tension spring 501, one end far away from the chain transmission gear 202 is meshed on a tooth space of a driven chain gear 406, the middle part of a chain is limited and supported by a smooth groove on a chain guide concave plate 404, and an obstacle avoidance assembly cannot be touched, the mounting direction is ensured to enable the limiting assembly to incline towards the direction of the ground, a motor 201 is connected with an external power supply, the motor 201 drives the chain transmission gear 202 to rotate, the chain transmission gear 202 drives the ditching chain assembly to move, the driven chain gear 406 plays a role in supporting and guiding the ditching chain assembly, the ditching bulldozer 305 can pull up earth on the ground surface in the operation process of the chain ditching assembly and can move forwards in cooperation with, in the process of moving furrows forwards, if the furrowing blade 305 meets a high-hardness obstacle such as a large stone or a tree root in the soil removing process, the movement of the furrowing blade 305 is blocked, the furrowing blade 305 and the lower support frame 402 can be subjected to the thrust action from the opposite direction of the movement of the device, when the thrust force is large enough, the lower support frame 402 is subjected to the thrust rotation, the arc-shaped fixture block 503 can slide and separate from the arc-shaped fixture groove 504 and push against the inner side wall of the upper support frame 401, the reaction force caused by the pushing action can compress the second tension spring 502 and the first tension spring 501, the second slide block 602 and the first slide block 601 can also slide in the sliding limiting guide strip 603 in the process until the second slide block 602 and the first slide block 601 respectively slide to the two ends of the sliding limiting guide strip 603, at the moment, the sliding limiting guide strip 603 plays a limiting role, and the first slide block 601 and the second slide block 602 can not continuously slide, lower carriage 402 also can't continue to rotate, this has ensured that cambered surface fixture block 503 can not break away from inside upper bracket 401, be convenient for this device resume original condition, lower carriage 402 is rotatory to produce crooked, reach the effect of avoiding from the barrier top, after avoiding the barrier, cambered surface fixture block 503 is under the oblique top recovery deformation power of second tension spring 502, card is inside cambered surface draw-in groove 504 again gradually, lower carriage 402 also resumes vertical state thereupon, can continue ditching operation, the card effect of cambered surface fixture block 503 and cambered surface draw-in groove 504 has been strengthened to cambered surface fixture block 503 bottom plane, make this device can not promote the slope by light obstacles such as little stone or thin and narrow root, ensured this device can carry out ditching operation smoothly.

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 attributes 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.

Claims

1. The utility model provides a chain ditching machine ditching device that work efficiency is high which characterized in that: including installation component, drive assembly, ditching chain subassembly, chain supporting component, keep away the barrier subassembly, the installation component is located the top of whole set of device, plays the effect of fixing this device on external mobile device, the inside drive assembly that is provided with of installation component, drive assembly plays the effect of providing power for this device, the last ditching chain subassembly that is provided with of drive assembly, ditching chain subassembly plays the effect of dialling earth from ground, the installation component lower extreme is provided with the chain supporting component, the chain supporting component plays the effect of supporting chain, be provided with on the chain supporting component and keep away the barrier subassembly, keep away the barrier subassembly and play the effect of avoiding the high rigidity object that buries in the earth.

2. The ditching device of the chain ditcher with high work efficiency as claimed in claim 1, wherein: the mounting assembly comprises a mounting shell (101), a fixing hole (102) and a chain slot hole (103), wherein the mounting shell (101) is located at the uppermost part of the mounting assembly, the fixing hole (102) is formed in the surface of the mounting shell (101), and the chain slot hole (103) is formed in the lower end of the mounting shell (101).

3. The ditching device of the chain ditcher with high work efficiency as claimed in claim 2, wherein: the transmission assembly comprises a motor (201), a chain transmission gear (202) and a limit baffle (203), the motor (201) is fixedly mounted inside the mounting shell (101), the chain transmission gear (202) is fixedly mounted on a rotor of the motor (201), and the limit baffle (203) is fixedly mounted at two ends of the horizontal direction of the chain transmission gear (202).

4. The ditching device of a chain ditcher with high work efficiency as claimed in claim 3, wherein: the ditching chain component comprises a chain block (301), a clamping groove (302), a clamping bar (303), an installation linking block (304) and a ditching bulldozer blade (305), wherein the chain block (301) is installed on the gear teeth of the chain transmission gear (202) in a meshing manner, a gear tooth groove is formed in one side, close to the chain transmission gear (202), of the chain block (301), the gear tooth groove in the chain transmission gear (202) is clamped into the gear tooth groove, the clamping groove (302) is formed in one end of the chain block (301), one end, far away from the clamping groove (302), of the chain block (301) is fixedly provided with the clamping bar (303), the chain block (301) is provided with a plurality of clamping grooves, the clamping bar (303) is clamped into the clamping groove (302) in the adjacent chain block (301) step by step, a chain is formed by step, the chain block (301) is far away from one side, fixedly provided with the installation linking block (304), and a ditching bulldozer blade (305) is fixedly mounted on one side, far away from the chain block (301), of the mounting connection block (304).

5. The ditching device of the chain ditcher with high work efficiency as claimed in claim 4, wherein: chain supporting component includes upper bracket (401), under bracing frame (402), horizontal bracing piece (403), chain direction notch board (404), driven gear erection column (405), driven chain gear (406), fixed mounting has upper bracket (401) on chain slotted hole (103) the inside wall, upper bracket (401) below rotatory mounting has under bracing frame (402), fixed mounting has horizontal bracing piece (403) on upper bracket (401) and under bracing frame (402) lateral wall, horizontal bracing piece (403) are kept away from upper bracket (401) one side fixed mounting and are had chain direction notch board (404), under bracing frame (402) bottom fixed mounting has driven gear erection column (405), driven gear erection column (405) bottom rotatory mounting has driven chain gear (406).

6. The ditching device of a chain ditcher with high work efficiency as claimed in claim 5, wherein: the obstacle avoidance component comprises a first tension spring (501), a second tension spring (502), an arc clamping block (503), an arc clamping groove (504) and a limiting component, a first tension spring (501) is transversely and fixedly arranged on the inner side wall of the lower support frame (402), the first tension spring (501) connects two sides of the lower support frame (402), one side of the upper end of the lower support frame (402) is fixedly provided with an arc-shaped fixture block (503), a second tension spring (502) is transversely and fixedly arranged on the inner side wall of one side of the upper support frame (401), one end of the second tension spring (502) far away from the upper support frame (401) is fixedly connected with the cambered surface clamping block (503), one side of the upper support frame (401) close to the cambered surface clamping block (503) is provided with a cambered surface clamping groove (504), the cambered surface clamping block (503) is clamped in the cambered surface clamping groove (504), and a limiting component is arranged below the cambered surface clamping groove (504).

7. The ditching device of a chain ditcher with high work efficiency as claimed in claim 6, wherein: spacing subassembly includes first slider (601), second slider (602), the spacing gib block of slip (603), cambered surface draw-in groove (504) below fixed mounting has first slider (601), cambered surface fixture block (503) below fixed mounting has second slider (602), slidable mounting has the spacing gib block of slip (603) on first slider (601), the spacing gib block of slip (603) is kept away from first slider (601) one end and second slider (602) sliding connection, first slider (601) and second slider (602) can be at the inside slip of the spacing gib block of slip (603).

8. The ditching device of a chain ditcher with high work efficiency as claimed in claim 5, wherein: one side of the chain guide concave plate (404) far away from the upper support frame (401) is provided with a smooth groove.

9. The ditching device of a chain ditcher with high work efficiency as claimed in claim 6, wherein: the bottom of one end, close to the second tension spring (502), of the arc-shaped fixture block (503) is a plane 2-2.5 cm long, and one end, far away from the second tension spring (502), of the arc-shaped fixture block (503) is a smooth curved-surface-shaped arc-shaped fixture block (503).

10. The ditching device of a chain ditcher with high work efficiency as claimed in claim 7, wherein: a stop block is fixedly mounted on one side, away from the upper support frame (401), of the first sliding block (601), and a stop block is fixedly mounted on one side, away from the lower support frame (402), of the second sliding block (602).