Trench wall trimming device of ditcher

By designing a motor-driven cutter head and cutter teeth for trenching, and combining it with a wall-shaving cutter and a briquetting mechanism to trim and compact the trench walls and bottom, the problem of trenching machines being unable to level and compact is solved, thus achieving uniform irrigation and stability of the ditches.

CN223991397UActive Publication Date: 2026-03-13AKESU DISTRICT WANGGUO HIGH TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing trenching machines cannot level and compact the bottom of the trench after trenching, resulting in uneven irrigation water flow and affecting crop growth.

Method used

A trench wall trimming device for a trenching machine is designed, comprising a motor, a cutter head, cutting teeth, a wall trimming cutter, a pressing block, and a gear mechanism. The motor drives the cutter head and cutting teeth to perform initial trenching, the wall trimming cutter performs fine trimming, and the pressing block and gear mechanism achieve compaction of the trench wall and bottom.

Benefits of technology

This process achieves smooth and flat trench walls and compacted trench bottoms, increasing soil density, preventing trench wall collapse, ensuring even distribution of irrigation water, and promoting crop growth.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ditchers and discloses a ditcher ditch wall trimming device which comprises a mounting frame, a motor shell is fixedly mounted on the right side of the mounting frame, a motor is fixedly mounted on the inner wall of the right side of the motor shell, the left end of a motor output shaft is rotationally connected with the inner wall of the left side of the mounting frame, and a ditching mechanism is arranged on the motor output shaft; a leveling seat is fixedly mounted on the inner wall of the rear side of the mounting frame, a compacting mechanism is arranged in the leveling seat, a protective shell is fixedly mounted on the inner wall of the left side of the mounting frame, and the same fixing seat is fixedly mounted on the inner wall of the right side of the protective shell and the inner wall of the left side of the mounting frame. Compared with the prior art, the device has the following advantages and effects that the compaction mechanism is arranged, so that a pressing block can perform compaction operation on cut and trimmed ditch walls and ditch bottoms, the compactness of soil can be improved, the stability of the ditch walls can be enhanced, the collapse of the ditch walls can be prevented, and the situation that irrigation water flows unevenly in ditches can be avoided; and crop growth is not facilitated.
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Description

Technical Field

[0001] This application relates to the field of trenching machine technology, and in particular to a trenching machine trench wall trimming device. Background Technology

[0002] Before planting crops, especially in southern regions where there is more rainfall, it is necessary to dig ditches and drain water in the fields before planting dryland crops in areas with crop rotation to facilitate the later planting of crops.

[0003] A search revealed a patent document with authorization announcement number CN218959450U, which discloses a ditching machine suitable for edge ditching. The machine includes a gantry frame, a fixed support frame, an elevation box, and a ditching cutter head. The gantry frame stands on the fixed support frame, and the elevation box is mounted on the fixed support frame. The elevation box is connected to the ditching cutter head via a coupling. Rotary tillage blades and wall-shaving blades are spaced apart on the ditching cutter head. A soil-separating cover is installed above the ditching cutter head, and a ditch cleaner is installed below it. This design is novel, simple, and easy to operate. It can be used for edge ditching, and the wall-shaving blades are used to trim the ditch walls.

[0004] In practical use, it was found that existing devices cannot level and compact the bottom of the trench after it is dug, which causes uneven flow of irrigation water in the trench. Some areas accumulate too much water, while others cannot be adequately irrigated, which is detrimental to crop growth. Therefore, we have proposed a trench wall trimming device for trenching machines to solve the above problems. Utility Model Content

[0005] The purpose of this application is to address the shortcomings of existing technologies, such as the inability to level and compact the bottom of the ditch, which leads to uneven flow of irrigation water within the ditch and thus hinders crop growth. Therefore, this application proposes a ditch wall trimming device for a ditching machine.

[0006] The above-mentioned technical objective of this application is achieved through the following technical solution: a trenching machine trench wall trimming device, including a mounting frame, a motor housing fixedly mounted on the right side of the mounting frame, a motor fixedly mounted on the inner wall of the right side of the motor housing, the left end of the motor output shaft rotatably connected to the inner wall of the left side of the mounting frame, and a trenching mechanism provided on the motor output shaft; a leveling seat fixedly mounted on the inner wall of the rear side of the mounting frame, a compaction mechanism provided in the leveling seat, a protective shell fixedly mounted on the inner wall of the left side of the mounting frame, the same fixed seat fixedly mounted on the inner wall of the right side of the protective shell and the inner wall of the left side of the mounting frame, a jacking mechanism provided in the mounting frame, a transmission shaft rotatably mounted on the fixed seat, and a first gear mechanism provided between the transmission shaft and the motor output shaft.

[0007] A further feature of this application is that the trenching mechanism includes a cutter disc and cutting teeth, the cutter disc is fixedly sleeved on the motor output shaft, the cutter disc is located on the right side of the protective shell, and cutting teeth are provided on the outer side of the cutter disc.

[0008] By adopting the above technical solution and by setting up a trenching mechanism, the motor can drive the cutter head to rotate at high speed; the cutter head can drive the outer teeth to cut into the soil, thus achieving the purpose of preliminary trenching.

[0009] A further feature of this application is that the inner wall of the cutter head is provided with a plurality of wall-cutting blades, which are distributed at equal intervals.

[0010] By adopting the above technical solution and by setting up a wall-cutting blade, the trench wall can be finely cut and trimmed, so as to make the trench wall flat and smooth, and meet the requirements of different projects for the flatness of the trench wall.

[0011] A further configuration of this application is as follows: the compaction mechanism includes a pressure block and a slide rod. The pressure block is slidably installed inside the leveling seat. The bottom end of the pressure block extends to the outside of the leveling seat. The slide rod is fixedly installed on the top of the pressure block. The top end of the slide rod extends to the outside of the leveling seat. A spring is fixedly installed on the top of the pressure block. The top end of the spring is fixedly connected to the inner wall of the top of the leveling seat.

[0012] By adopting the above technical solution and setting up a compaction mechanism, the slide bar and spring can drive the compaction block to move up and down in the leveling seat, which can compact the trench walls and bottom after cutting and trimming, thereby improving the density of the soil.

[0013] A further configuration of this application is as follows: the jacking mechanism includes a rotating shaft, a cam, and a top block. The same rotating shaft is rotatably mounted on the inner walls of both sides of the mounting bracket. The rotating shaft is located behind the motor output shaft. A cam is fixedly sleeved on the rotating shaft. A top block is fixedly mounted on the top of the slide rod. The cam and the top block are adapted to each other. A second gear mechanism is provided between the rotating shaft and the transmission shaft.

[0014] By adopting the above technical solution and by setting up a jacking mechanism, the rotating shaft can drive the cam to rotate, thereby achieving the purpose of periodically jacking the top block through the cam.

[0015] A further configuration of this application is: the first gear mechanism includes two first bevel gears, and the motor output shaft and the front end of the transmission shaft are both fixedly sleeved with first bevel gears, both of which are located inside the protective shell and mesh with each other.

[0016] By adopting the above technical solution and by setting a first gear mechanism, the motor output shaft can drive the transmission shaft to rotate.

[0017] A further configuration of this application is: the second gear mechanism includes two second bevel gears, and the second bevel gears are fixedly sleeved on both the rotating shaft and the rear end of the transmission shaft. The two second bevel gears are both located inside the protective shell and mesh with each other.

[0018] By adopting the above technical solution and by setting a second gear mechanism, the transmission shaft can drive the rotating shaft to rotate synchronously.

[0019] A further feature of this application is that: sliders are provided on both sides of the pressure block, and grooves are provided on the inner walls of both sides of the leveling seat, with the sliders slidably connected to the corresponding grooves.

[0020] By adopting the above technical solution and by setting up sliders and grooves, the stability of the pressure block's up-and-down movement can be improved.

[0021] The beneficial effects of this application are:

[0022] (1) Through the cooperation of motor, cutter head and cutter teeth, the motor can drive the cutter head to rotate at high speed; the cutter head can drive the cutter teeth on its outer side to cut into the soil, and can achieve the purpose of preliminary trenching. Through the cooperation of wall-cutting cutter and cutter head, the wall-cutting cutter can be used to finely cut and trim the trench wall, and can make the trench wall flat and smooth, so as to meet the requirements of different projects for the flatness of the trench wall.

[0023] (2) Through the cooperation of two first bevel gears, transmission shaft, two second bevel gears, rotating shaft, cam, top block, slide rod and pressure block, the motor output shaft can drive the pressure block to move up and down in the leveling seat. The pressure block can compact the trench wall and trench bottom after cutting and trimming, which can improve the soil density, enhance the stability of the trench wall, prevent the trench wall from collapsing, and thus avoid uneven flow of irrigation water in the trench, which is detrimental to crop growth. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a three-dimensional structural schematic diagram of a trenching machine trench wall trimming device according to this application;

[0026] Figure 2 This is a schematic diagram of the mounting frame and the internal structure of the motor housing of a trenching machine trench wall trimming device according to this application;

[0027] Figure 3 This is a schematic diagram of the internal structure of the mounting frame and protective shell of a trenching machine trench wall trimming device according to this application;

[0028] Figure 4 This is a schematic diagram of the internal structure of the mounting frame and leveling seat of the trench wall trimming device for a trencher according to this application.

[0029] In the diagram: 1. Mounting bracket; 2. Motor housing; 201. Motor; 202. Cutter head; 203. Cutter teeth; 204. Wall-cutting cutter; 3. Leveling seat; 301. Pressure block; 302. Slide rod; 303. Spring; 4. Protective shell; 401. Fixing seat; 402. Drive shaft; 403. First bevel gear; 5. Rotating shaft; 501. Cam; 502. Top block; 503. Second bevel gear. Detailed Implementation

[0030] The technical solution of this application will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0031] See Figures 1-4 This application provides a trench wall trimming device for a trenching machine, including a mounting frame 1. A motor housing 2 is fixedly mounted on the right side of the mounting frame 1. A motor 201 is fixedly mounted on the inner wall of the right side of the motor housing 2. The left end of the output shaft of the motor 201 is rotatably connected to the inner wall of the left side of the mounting frame 1. A trenching mechanism is provided on the output shaft of the motor 201. A leveling seat 3 is fixedly mounted on the inner wall of the rear side of the mounting frame 1. A compaction mechanism is provided inside the leveling seat 3. A protective shell 4 is fixedly mounted on the inner wall of the left side of the mounting frame 1. The inner wall of the protective shell 4 and the inner wall of the left side of the mounting frame 1 are fixedly mounted on the same fixed seat 401. A jacking mechanism is provided inside the mounting frame 1. A transmission shaft 402 is rotatably mounted on the fixed seat 401. A first gear mechanism is provided between the transmission shaft 402 and the output shaft of the motor 201.

[0032] Specifically, the trenching mechanism includes a cutter head 202 and cutter teeth 203. The cutter head 202 is fixedly sleeved on the output shaft of the motor 201. The cutter head 202 is located on the right side of the protective shell 4, and the cutter teeth 203 are provided on the outer side of the cutter head 202.

[0033] Specifically, the inner wall of the cutter head 202 is provided with multiple wall-cutting cutters 204, which are distributed at equal intervals.

[0034] Specifically, the compaction mechanism includes a pressure block 301 and a slide rod 302. The pressure block 301 is slidably installed inside the leveling seat 3. The bottom end of the pressure block 301 extends to the outside of the leveling seat 3. The slide rod 302 is fixedly installed on the top of the pressure block 301. The top end of the slide rod 302 extends to the outside of the leveling seat 3. A spring 303 is fixedly installed on the top of the pressure block 301. The top end of the spring 303 is fixedly connected to the inner wall of the top of the leveling seat 3.

[0035] Specifically, the jacking mechanism includes a rotating shaft 5, a cam 501, and a top block 502. The same rotating shaft 5 is rotatably mounted on the inner walls of both sides of the mounting bracket 1. The rotating shaft 5 is located behind the output shaft of the motor 201. The cam 501 is fixedly sleeved on the rotating shaft 5. The top block 502 is fixedly mounted on the top of the slide rod 302. The cam 501 and the top block 502 are adapted to each other, and a second gear mechanism is set between the rotating shaft 5 and the transmission shaft 402.

[0036] Specifically, the first gear mechanism includes two first bevel gears 403. The first bevel gears 403 are fixedly sleeved on the output shaft of the motor 201 and the front end of the transmission shaft 402. The two first bevel gears 403 are located inside the protective shell 4 and mesh with each other.

[0037] Specifically, the second gear mechanism includes two second bevel gears 503. The second bevel gears 503 are fixedly sleeved on the rotating shaft 5 and the rear end of the transmission shaft 402. The two second bevel gears 503 are located inside the protective shell 4 and mesh with each other.

[0038] Specifically, sliders are provided on both sides of the pressure block 301, and grooves are provided on the inner walls of both sides of the leveling seat 3. The sliders are slidably connected to the corresponding grooves.

[0039] In this application, during operation, the mounting frame 1 is first installed on the external carrier. The mounting frame 1 serves as the basic support structure for the trench wall trimming device of the trencher, providing a stable installation platform for other components, ensuring that each component maintains a fixed relative position during operation, maintaining the overall stability of the device, and thus ensuring the coordinated operation of each component.

[0040] After the device is started, the motor 201 is powered on and runs, and its output shaft drives the cutter head 202 to rotate at high speed. The cutter head 202 can drive the outer cutter teeth 203 to cut into the soil, which can achieve the purpose of preliminary trenching. Meanwhile, the wall-cutting blades 204 distributed at equal intervals on the inner wall of the cutter head 202 can perform fine cutting and trimming on the trench wall, which can make the trench wall flat and smooth, and meet the requirements of different projects for the flatness of the trench wall.

[0041] While trenching, the first bevel gear 403 on the output shaft of motor 201 meshes with the first bevel gear 403 at the front end of transmission shaft 402, transmitting the power of motor 201 to transmission shaft 402, causing it to start rotating; the second bevel gear 503 at the rear end of transmission shaft 402 cooperates with the second bevel gear 503 on rotating shaft 5, driving rotating shaft 5 to rotate, which in turn drives cam 501 to rotate synchronously; during the rotation of cam 501, it periodically presses against the top block 502 at the top of slide rod 302, pushing slide rod 302 and pressure block 301 to reciprocate up and down within leveling seat 3; the spring 30 Under the elastic buffering and reset effect of 3, the compaction block 301 can always maintain appropriate pressure with the trench wall or bottom; when the compaction block 301 moves downward, it can compact the trench wall and bottom that have been cut and trimmed, thereby improving the soil density, enhancing the stability of the trench wall, preventing the trench wall from collapsing, and thus avoiding uneven flow of irrigation water in the trench, which would be detrimental to crop growth; during this process, the sliders on both sides of the compaction block 301 slide along the grooves on the inner walls of both sides of the leveling seat 3, restricting the movement trajectory of the compaction block 301, ensuring its vertical up and down movement, and improving the stability and accuracy of the compaction operation;

[0042] Through the coordinated operation of the aforementioned components, the device achieves integrated operation of trenching, trench wall trimming, and trench bottom compaction. This not only improves work efficiency and reduces the time cost caused by switching between multiple processes, but also ensures the construction quality of the trench and meets diverse engineering needs.

Claims

1. A ditch-wall finishing device for a ditcher, characterized in that Including the mounting bracket (1), the mounting bracket (1) right side fixed mounting has motor shell (2), the motor shell (2) right side inner wall fixed mounting has motor (201), the motor (201) output shaft left end is rotationally connected with the left side inner wall of mounting bracket (1), be provided with ditching mechanism on the motor (201) output shaft; The mounting bracket (1) rear side inner wall fixed mounting has leveling seat (3), the leveling seat (3) is provided with compaction mechanism in, the mounting bracket (1) left side inner wall fixed mounting has protective shell (4), the protective shell (4) right side inner wall and the left side inner wall of mounting bracket (1) fixed mounting has same fixed seat (401), the mounting bracket (1) is provided with the mechanism of jacking, the fixed seat (401) is rotationally installed with transmission shaft (402), be provided with first tooth mechanism between the transmission shaft (402) and motor (201) output shaft.

2. A furrow wall conditioning device for a furrow opener as defined in claim 1, characterized in that: The ditching mechanism includes cutter head (202) and blade tooth (203), the cutter head (202) is fixedly provided on the motor (201) output shaft, the cutter head (202) is located at the right side of the protective shell (4), and the cutter head (202) is provided with a blade tooth (203) outside.

3. A furrow wall conditioning device for a furrow opener as defined in claim 2, characterized in that: The inner wall of the cutter head (202) is provided with a plurality of wall cutting knives (204), and the plurality of wall cutting knives (204) are distributed at equal intervals.

4. A furrow wall conditioning device for a furrow opener as defined in claim 1, wherein: The compaction mechanism includes pressing block (301) and slide rod (302), the leveling seat (3) is slidably installed with pressing block (301), the pressing block (301) bottom end extends to the outside of the leveling seat (3), the pressing block (301) top is fixedly installed with slide rod (302), the slide rod (302) top end extends to the outside of the leveling seat (3), the pressing block (301) top is fixedly installed with spring (303), and the spring (303) top end is fixedly connected with the top inner wall of the leveling seat (3).

5. A furrow sidewall conditioning device for a furrow opener as defined in claim 4, wherein: The jacking mechanism includes shaft (5), cam (501) and top block (502), the same shaft (5) is rotationally installed on the inner wall of the mounting bracket (1) on both sides, the shaft (5) is located at the rear side of the motor (201) output shaft, the shaft (5) is fixedly provided with cam (501), the slide rod (302) top end is fixedly installed with top block (502), the cam (501) is matched with the top block (502), and the second tooth mechanism is arranged between the shaft (5) and the transmission shaft (402).

6. A furrow sidewall conditioning device for a furrow opener according to claim 1, characterized in that: The first tooth mechanism includes two first bevel gears (403), the first bevel gear (403) is fixedly provided on the motor (201) output shaft and the front end of the transmission shaft (402), both the first bevel gears (403) are located in the protective shell (4), and the two first bevel gears (403) are engaged.

7. A furrow sidewall conditioning device for a furrow opener as set forth in claim 5, wherein: The second tooth mechanism includes two second bevel gears (503), the second bevel gear (503) is fixedly provided on the shaft (5) and the rear end of the transmission shaft (402), both the second bevel gears (503) are located in the protective shell (4), and the two second bevel gears (503) are engaged.

8. A furrow sidewall conditioning device for a furrow opener as set forth in claim 4, wherein: The pressing block (301) is provided with a sliding block on both sides, the leveling seat (3) is provided with a sliding groove in the inner wall on both sides, and the sliding block is in sliding connection with the corresponding sliding groove.