Width-adjustable farmland furrow opener
By combining a handwheel-driven screw and nut block, the problem of cumbersome width adjustment in existing trenchers is solved, enabling stepless adjustment of the trencher width and improving work efficiency.
Patent Information
- Application Number
- CN202520444555.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing trencher requires stopping the machine and using a wrench to remove fasteners when adjusting the width, which is cumbersome, time-consuming and labor-intensive, reducing work efficiency.
The combination of a handwheel-driven screw and a nut block allows the screw to rotate by turning the handwheel, which in turn moves the nut block along the screw's axial direction. This enables the side shovel to extend or retract within the shovel plate, adjusting the trencher's width and simplifying the operation.
It enables stepless adjustment of the trencher width, improves work efficiency, reduces downtime, and enhances the convenience and efficiency of trenching operations.
Smart Images

Figure CN223844340U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the furrow opener field especially, it is a kind of adjustable width farmland furrow opener. BACKGROUND
[0002] With the progress and development of social science and technology, agricultural production has gradually developed from traditional slash-and-burn to modern agricultural production relying on mechanization and scientific planting, and the furrow opener is the main working component of the seeding machine, which can open a certain depth of ditch on the land according to the requirements of agricultural technology, so as to guide the seeds or fertilizers to fall into and cover the wet soil.
[0003] According to the search, the patent announcement number CN212650058U discloses a furrow opener with adjustable furrow width, which comprises a furrow opener and a secondary knife above the furrow opener. The secondary knife and the furrow opener each have four hole positions, and the hole positions are concentric. The secondary knife and the furrow opener are fixedly connected by a screw rod passing through the corresponding hole positions. The tail of the furrow opener is provided with a reinforcing block, and the side surface of the furrow opener and the reinforcing block is fixedly welded. The top of the reinforcing block is a control rod, and the top of the reinforcing block is provided with a cylindrical slot. The control rod slides into the cylindrical slot parallelly below, and the slot wall on both sides of the cylindrical slot and the lower part of the control rod each have two holes.
[0004] The furrow opener in the above-mentioned patent adopts the mode of adding a secondary knife to widen the furrow opener, which can solve the width limitation of traditional furrow openers. However, the furrow opener in the above-mentioned patent needs to replace the shovel head of different sizes to adjust the width, which requires stopping the machine and using a wrench to disassemble the fasteners during adjustment. The operation process is relatively complicated, time-consuming and labor-intensive, which reduces the working efficiency of the furrowing operation. Therefore, a farmland furrow opener with adjustable width is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a farmland furrow opener with adjustable width, which aims to improve the problem of "stopping the machine and using a wrench to disassemble the fasteners during width adjustment" in the prior art.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: adjustable width's farmland furrower, including vertical support and bottom support, the left side fixedly connected with spade board of bottom support, the inside of bottom support is provided with control mechanism, control mechanism includes hand wheel, the left side fixedly connected with screw rod and nut block of hand wheel, the inner wall of screw rod is rotatably connected on bottom support, the inner wall of nut block is connected in screw thread with the outer wall of screw rod, the inside of spade board is provided with adjusting mechanism. Adjusting mechanism includes side part deputy shovel, side part deputy shovel slidingly connects on the inner wall of spade board, the surface fixedly connected with vertical plate of side part deputy shovel, the right side fixedly connected with sliding block of vertical plate, the left side of nut block is provided with sliding slot, the inner wall slidingly connected with sliding block of sliding slot.
[0007] As further description of the above technical scheme:
[0008] The vertical support is fixedly connected with the bottom support through the fastening bolt.
[0009] As further description of the above technical scheme:
[0010] The top of the spade plate is provided with a flow guide groove.
[0011] As further description of the above technical scheme:
[0012] The left side of the spade plate is fixedly connected with an inclined plate.
[0013] As further description of the above technical scheme:
[0014] The left side of the nut block is provided with a conical inclined surface.
[0015] As further description of the above technical scheme:
[0016] The.
[0017] As further description of the above technical scheme:
[0018] The number of vertical plates is two groups, and the side close to each other of the two groups of vertical plates is fixedly connected with a sliding rod, and the sliding rod connected with one group of vertical plates is slidingly connected with the other group of vertical plates.
[0019] As further description of the above technical scheme:
[0020] The right side of the vertical support is fixedly connected with a mounting plate, and the surface of the mounting plate is provided with a mounting hole.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, through rotating hand wheel drives screw rod rotation, further make side part auxiliary shovel inside the shovel board stretch out or retract, further adjust the overall width of furrow opener, along with the sliding of side part auxiliary shovel, the overall width of furrow opener changes, realize the adjustment of ditching width, do not need to stop after adjusting screw bolt with the aid of external tool, reduce the operation step, improve work efficiency.
[0023] 2. In the utility model, through the flow guide groove and the inclined plate arranged on the surface of the shovel plate, the flow guide groove removes the soil removed by the shovel plate to the both sides of the shovel plate, and the cross section of the inclined plate is triangular, which can improve the trench forming quality and make the soil evenly distributed on both sides of the trench. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is the left view schematic diagram of the whole three-dimensional structure in the utility model;
[0025] Figure 2 It is the right view schematic diagram of the whole three-dimensional explosion structure in the utility model;
[0026] Figure 3 It is the sectional view schematic diagram of the three-dimensional structure of the bottom support, the shovel plate and the adjusting mechanism in the utility model;
[0027] Figure 4 It is the three-dimensional explosion structure schematic diagram of the adjusting mechanism in the utility model;
[0028] Figure 5 It is the three-dimensional structure schematic diagram of the control mechanism in the utility model.
[0029] LEGEND:
[0030] 1, vertical support; 2, bottom support; 3, fastening bolt; 4, shovel plate; 5, flow guide groove; 6, inclined plate; 7, hand wheel; 8, screw rod; 9, nut block; 12, side part auxiliary shovel; 13, vertical plate; 14, sliding rod; 16, sliding block; 17, sliding groove; 18, mounting plate; 19, mounting hole. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0032] REFERENCE Figure 1 - Figure 3The utility model provides an embodiment: a width adjustable farmland furrow opener, including vertical support 1 and bottom support 2, the right side fixed connection of vertical support 1 has installation board 18, the surface of installation board 18 is provided with mounting hole 19, through the screw is passed through mounting hole 19, can fix installation board 18 and vertical support 1 on the cantilever of agricultural machinery, through the movement of agricultural machinery drives spade board 4 to move, carries out ditching work, vertical support 1 is fixedly connected with bottom support 2 through fastening bolt 3, the left side fixed connection of bottom support 2 has spade board 4, the top of spade board 4 is provided with the flow guide groove 5 that can guide the soil and remove the direction, the left side fixed connection of spade board 4 has inclined plate 6, the section of inclined plate 6 is triangle, can improve the quality of ditch forming, make the soil evenly distributed in the ditch both sides.
[0033] Referring to Figure 3 , Figure 5 , the inside of bottom support 2 is provided with a control mechanism, the control mechanism includes a hand wheel 7, the staff rotates the screw rod 8 through the hand wheel 7, which is convenient and labor-saving, the left side of the hand wheel 7 is fixedly connected with the screw rod 8 and the nut block 9, the screw rod 8 is rotatably connected to the inner wall of the bottom support 2, the inner wall of the nut block 9 is threadedly connected with the outer wall of the screw rod 8, through the cooperation of the screw rod 8 and the nut block 9, when the screw rod 8 rotates, the nut block 9 linearly displaces in the axial direction of the screw rod 8, and through the self-locking action of the screw rod 8 and the nut block 9, the position stability of the adjusted nut block 9 is maintained, avoiding the position change of the two groups of side sub-spoons 12 during ditching operation, and the inside of the spade board 4 is provided with an adjusting mechanism.
[0034] Referring to Figure 3 - Figure 5 , the adjusting mechanism includes a side sub-spoon 12, the number of the side sub-spoons 12 is set to two groups, the two groups of side sub-spoons 12 are symmetrically arranged relative to the center of the nut block 9, the side sub-spoons 12 are slidably connected to the inner wall of the spade board 4, the surface of the side sub-spoons 12 is fixedly connected with vertical plates 13, the number of the vertical plates 13 is set to two groups, the side close to each other of the two groups of vertical plates 13 is fixedly connected with slide rods 14, the slide rod 14 connected with one of the vertical plates 13 is slidably connected with the other vertical plate 13, improving the stability of the two groups of side sub-spoons 12 when displacing, the right side of the vertical plate 13 is fixedly connected with a sliding block 16, the left side of the nut block 9 is provided with a conical inclined surface, the left side of the nut block 9 is provided with a sliding groove 17 arranged in an inclined state, the sliding block 16 is slidably connected to the inner wall of the sliding groove 17, through the cooperation of the sliding groove 17 and the sliding block 16, the left-right linear displacement of the nut block 9 is converted into the front-back linear displacement of the sliding block 16 and the vertical plate 13.
[0035] Working principle: in use, first, the vertical support 1 is installed to the corresponding agricultural machinery through the mounting hole 19 on the surface of the installation board 18, and then the vertical support 1 is fixedly connected with the bottom support 2 by the fastening bolt 3.
[0036] By rotating the hand wheel 7, the hand wheel 7 drives the screw rod 8 to rotate on the inner wall of the bottom support 2, with the rotation of the screw rod 8, the nut block 9 moves linearly along the axial direction of the screw rod 8, the conical inclined surface on the left side of the nut block 9 and the sliding groove 17 push the sliding block 16 to slide forward and backward, the sliding block 16 drives the vertical plate 13 and the side auxiliary shovel 12 to slide forward and backward on the inner wall of the shovel plate 4, so as to realize the extension or retraction of the side auxiliary shovel 12 inside the shovel plate 4, and then adjust the overall width of the furrow opener, with the sliding of the side auxiliary shovel 12, the overall width of the furrow opener changes, and the adjustment of the opening width is realized.
[0037] During the ditching operation, the agricultural machinery moves to drive the shovel plate 4 on the surface of the bottom support 2 of the vertical support 1 to displace, the soil is first guided by the inclined plate 6, and then discharged to the two sides of the shovel plate 4 through the flow guide groove 5 on the top of the shovel plate 4, the ditching operation is completed, and the side auxiliary shovel 12 is stably unfolded or folded inside the shovel plate 4, so that the stepless adjustment of the ditching width is realized.
[0038] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. An adjustable width agricultural field opener comprising a vertical support (1) and a bottom support (2), characterized in that: The left side of the bottom support (2) is fixedly connected with a shovel plate (4), the inside of the bottom support (2) is provided with a control mechanism, the control mechanism comprises a hand wheel (7), the left side of the hand wheel (7) is fixedly connected with a screw rod (8) and a nut block (9), the screw rod (8) is rotatably connected on the inner wall of the bottom support (2), the inner wall of the nut block (9) is threadedly connected with the outer wall of the screw rod (8), the inside of the shovel plate (4) is provided with an adjusting mechanism, the adjusting mechanism comprises a side auxiliary shovel (12), the side auxiliary shovel (12) is slidably connected on the inner wall of the shovel plate (4), the surface of the side auxiliary shovel (12) is fixedly connected with a vertical plate (13), the right side of the vertical plate (13) is fixedly connected with a sliding block (16), the left side of the nut block (9) is provided with a sliding groove (17), and the sliding block (16) is slidably connected on the inner wall of the sliding groove (17).
2. The adjustable width agricultural field shank of claim 1, wherein: The vertical support (1) is fixedly connected with the bottom support (2) through a fastening bolt (3).
3. The adjustable width agricultural field shank of claim 1, wherein: The top of the shovel plate (4) is provided with a flow guide groove (5).
4. The adjustable width agricultural field shank of claim 1, wherein: The left side of the shovel plate (4) is fixedly connected with an inclined plate (6).
5. The adjustable width agricultural field shank of claim 1, wherein: The left side of the nut block (9) is provided with a conical inclined surface.
6. The adjustable width agricultural field shank of claim 1, wherein: The.
7. The adjustable width agricultural field shank of claim 1, wherein: The number of the vertical plate (13) is two groups, and the side close to each other of the two groups of vertical plates (13) is fixedly connected with a sliding rod (14), and the sliding rod (14) connected with one group of vertical plates (13) is slidably connected with the other group of vertical plates (13).
8. The adjustable width agricultural field shank of claim 1, wherein: The right side of the vertical support (1) is fixedly connected with a mounting plate (18), and the surface of the mounting plate (18) is provided with a mounting hole (19).
Citation Information
Patent Citations
Furrow opener with adjustable furrowing width
CN212650058U