Agricultural machine mounting tool apron
By designing multiple slots and locking mechanisms on the rotary tiller blade holder, the problems of soil adhesion and displacement are solved, achieving stable locking and flexible adjustment to meet the needs of different crop row spacings.
Patent Information
- Application Number
- CN202520604036.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing rotary tillers' blade holders are prone to getting covered in soil during tillage, causing the connecting blocks to clump together, which affects subsequent adjustment operations. Furthermore, insufficient locking may lead to blade holder misalignment.
Multiple slots and locking mechanisms are designed. Through the cooperation of set screws and positioning table, the tool holder and tool shaft are stably locked. The locking mechanism is located inside the tool holder and is not easy to get mud stuck. The slots and positioning table are engaged to achieve lateral and longitudinal positioning and avoid displacement.
It achieves stable locking between the cutter holder and the cutter shaft, avoiding soil adhesion and displacement problems, making subsequent adjustments more convenient, and adapting to flexible adjustments for different crop row spacings.
Smart Images

Figure CN223943161U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of agricultural equipment, concretely is an agricultural machine mounting seat. BACKGROUND
[0002] The rotary cultivator is a kind of agricultural equipment that is applied more at present, can make field soil fully fine, ground flat, and soil and fertilizer blend evenly, and one operation can reach the effect of plowing, harrowing and leveling, is beneficial to catch up with farm time and save labor, and the adaptive range of soil humidity is large, when the rotary cultivator works, mainly through the turning of blade to turn over soil, the blade of rotary cultivator is installed on the cutter shaft through the cutter seat, and the rotation of cutter shaft drives the operation of blade.
[0003] In the related art, the Chinese patent with the announcement number CN211240708U discloses a cutter seat for blade installation of rotary cultivator, which comprises a cutter shaft and a connecting seat installed on the cutter shaft. The utility model realizes the adjustment of the distance between the cutter bodies by the sliding of the connecting ring, and the adjustment effect is better than that of the prior art by removing the blade, so that the adjustment can be relatively accurate according to the row spacing of different crops, and the flexibility is high. However, in actual use, it is found that since the connecting blocks are separately protruded outside the cutter seat, the soil is easily adhered to the connecting blocks during plowing, and the accumulated soil on the connecting blocks is easily caked for a long time, which affects the subsequent adjustment operation of the cutter seat. In addition, only the single locking operation between the connecting blocks is used, and when the locking does not reach the specified locking degree, the cutter seat may deviate during the rotary cultivation, which affects the use. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problems mentioned above, and provides an agricultural machine mounting seat.
[0005] The utility model adopts the technical scheme as follows: an agricultural machine mounting seat, comprising a cutter shaft, a cutter seat and a blade, wherein the cutter seat is a plurality of and is sleeved on the outside of the cutter shaft, a plurality of the cutter seat can reciprocate along the length direction of the cutter shaft, and is used for adjusting the spacing between adjacent cutter seats, the end face of the cutter shaft along the length direction is continuously provided with a plurality of clamping grooves, the cutter seat is provided with a locking mechanism that can be disengaged or engaged with the clamping groove, and when the locking mechanism is engaged with the clamping groove, the cutter seat and the cutter shaft are locked together.
[0006] In a preferred embodiment, the locking mechanism comprises a locking screw, a positioning table and a pressing rod, the clamping groove is an arc concave structure as a whole, the positioning table is oppositely arranged with the clamping groove, and the end face of the positioning table towards the clamping groove is configured as an arc surface that is adapted to engage with the clamping groove.
[0007] In a preferred embodiment, the knife seat has a movable cavity with an end facing the opening of the clamping groove, the positioning table is arranged in the movable cavity and can reciprocate along the movable cavity, and an elastic member is arranged between the positioning table and the end face of the movable cavity.
[0008] In a preferred embodiment, one end of the pressing rod is arranged on the end face of the positioning table away from the clamping groove, the elastic member is sleeved outside the pressing rod, the other end of the pressing rod is a flat plate, the end face of the flat plate abuts against the end of the locking screw, and the knife seat is provided with a threaded hole matched with the locking screw.
[0009] In a preferred embodiment, the plurality of blades are arranged on the end face of the knife seat in a circumferential interval, the end face of the knife seat is recessed inward to form a receiving cavity for accommodating the end of the blade, a mounting hole is arranged on the receiving cavity, a through hole corresponding to the mounting hole is arranged on the blade, and the blade and the knife seat are locked together by a fastener.
[0010] In a preferred embodiment, a plurality of positioning columns are arranged in the receiving cavity in an interval, a positioning hole matched with the positioning column is arranged on the blade, and the end face of the positioning column is a circular table structure with a wide upper part and a narrow lower part.
[0011] In a preferred embodiment, a shaft hole matched with the cutter shaft is arranged in the center of the knife seat.
[0012] In conclusion, due to the adoption of the above technical scheme, the utility model has the beneficial effects that a plurality of clamping grooves for adjusting the spacing are arranged on the cutter shaft along the length direction, a locking mechanism capable of being clamped into the clamping groove is designed on the knife seat, when the position of the knife seat and the blade is locked, the positioning table is pushed to move inward and clamped into the clamping groove by the locking screw, at this time, the clamping groove and the positioning table are clamped and matched, the transverse and longitudinal positioning operations can be realized, the stable locking of the knife seat and the cutter shaft can be realized by the positioning of the clamping groove and the positioning table and the inward fastening force of the locking screw itself, the problem of deviation in the process of rotary tillage does not occur, the locking mechanism is located in the knife seat as a whole, is not easy to stick to the soil in rotary tillage, and is more convenient in subsequent adjustment. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a schematic diagram of the planar structure of the utility model;
[0014] Figure 2 It is a schematic diagram of the partial sectional planar structure of the combination of the knife seat and the cutter shaft in the utility model;
[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the blade in the utility model.
[0016] Marked in the figure:
[0017] 100 - knife shaft, 110 - clamping groove;
[0018] 200 - knife seat, 210 - accommodating cavity, 220 - mounting hole, 230 - positioning column, 240 - set screw, 250 - positioning table, 260 - elastic piece, 270 - pressing rod, 280 - movable cavity, 290 - shaft hole;
[0019] 300 - blade, 310 - positioning hole, 320 - through hole. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0021] Referring to Figures 1-3 A kind of agricultural machinery installation knife seat, including knife shaft 100, knife seat 200 and blade 300, wherein knife seat 200 is multiple, and is set on the outside of knife shaft 100, multiple knife seat 200 can reciprocate along the length direction of knife shaft 100, for adjusting the spacing between adjacent knife seat 200, the end surface of knife shaft 100 along its length direction is continuously provided with multiple clamping grooves 110, locking mechanism is arranged on knife seat 200, which can be disengaged or engaged with clamping groove 110, when locking mechanism is engaged with clamping groove 110, for locking knife seat 200 and knife shaft 100 together, locking mechanism includes set screw 240, positioning table 250 and pressing rod 270, clamping groove 110 is overall arc concave structure, positioning table 250 is oppositely arranged with clamping groove 110, and the end surface of positioning table 250 towards clamping groove 110 is configured as arc surface that is adapted to engage with clamping groove 110, knife seat 200 is designed as separate structure with knife shaft 100, according to different application scenarios of rotary tillage operation, the spacing between adjacent knife seat 200 can be adjusted, so that the soil turning operation of different spacing can be adjusted, and positioning table 250 that can be locked on clamping groove 110 is designed on knife seat 200, when locking the position of knife seat 200 and blade 300, positioning table 250 is pushed inwards and clamped in clamping groove 110 using set screw 240, at this time, clamping groove 110 and positioning table 250 are connected and matched, transverse and longitudinal positioning operations can be realized, using the positioning of clamping groove 110 and positioning table 250 and the inward fastening force of set screw 240 itself, the stable locking of knife seat 200 and knife shaft 100 can be realized, and the problem of deviation in the process of rotary tillage will not occur, secondly, locking mechanism is overall located in knife seat 200, and it is not easy to stick to the soil during rotary tillage, and it is more convenient during subsequent adjustment.
[0022] In the embodiment, the side of the card slot 110 can also be designed with a scale (not shown in the figure) to facilitate the staff to find the desired spacing.
[0023] Further, the knife seat 200 has a movable cavity 280 with one end opening towards the card slot 110, the positioning table 250 is arranged in the movable cavity 280 and can reciprocate along the movable cavity 280, the elastic member 260 is arranged between the positioning table 250 and the end face of the movable cavity 280, one end of the pressing rod 270 is arranged on the end face of the positioning table 250 away from the card slot 110, the elastic member 260 is sleeved outside the pressing rod 270, the other end of the pressing rod 270 is a flat plate part, the end face of the flat plate part abuts against the end of the fixing screw 240, when it is necessary to adjust the angle of the knife seat 200, the fixing screw 240 is screwed outwards, at this time the fixing screw 240 does not contact the flat plate part, by using the elastic force of the elastic member 260 itself and the influence of the shape of the positioning table 250, the operator can easily move the knife seat 200 in the left and right directions by a little force, so as to realize the adjustment of the spacing, and secondly, the resistance of the elastic member 260 when rebounding can also ensure the stability during the left and right adjustment, and the problem of over-adjustment at one time will not occur.
[0024] In the embodiment, the elastic member 260 is a spring.
[0025] Referring to Figure 2 and Figure 3 , the blade 300 is a plurality of and is arranged on the end face of the knife seat 200 in a circumferential interval, the end face of the knife seat 200 is recessed inward to form a containing cavity 210 for containing the end part of the blade 300, the containing cavity 210 is provided with a mounting hole 220 penetratingly arranged thereon, the blade 300 is provided with a through hole 320 corresponding to the mounting hole 220, the blade 300 and the knife seat 200 are locked together by a fastener, a plurality of positioning columns 230 are arranged in the containing cavity 210, the blade 300 is provided with a positioning hole 310 corresponding to the positioning column 230, when the blade 300 and the knife seat 200 are assembled, the position of the mounting hole 220 and the through hole 320 can be limited by the cooperation of the positioning hole 310 and the positioning column 230, the accurate positioning of the mounting hole 220 and the through hole 320 can be ensured, the subsequent installation operation of the fastener is facilitated, and at the same time, the cooperation of the containing cavity 210 and the positioning column 230 can also realize the auxiliary positioning of the installation position of the blade 300. In the embodiment, the fastener can be a combination of a corresponding bolt and nut.
[0026] Referring to Figure 2 , the end face of the positioning column 230 is a circular table structure with a wide upper part and a narrow lower part, and the above design can facilitate the positioning hole 310 on the blade 300 to be inserted into the positioning column 230.
[0027] Referring to Figure 2As shown, the tool holder 200 is centrally provided with a shaft hole 290 matched with the tool shaft 100, in the embodiment, the tool shaft 100 is a polygonal structure as a whole, such as a pentagon, a hexagon or the like, at this time, when the tool holder 200 is assembled to the tool shaft 100, the positioning operation of the vertical direction position of the tool holder 200 can be realized, and the self-rotation problem does not occur.
[0028] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An agricultural implement mounting shoe, characterized by, The utility model provides a cutting tool, including knife shaft (100), tool holder (200) and blade (300), wherein the tool holder (200) is multiple, and the tool holder (200) is set on the outside of the knife shaft (100), multiple tool holder (200) can reciprocate along the length direction of the knife shaft (100), for adjusting the interval between adjacent tool holder (200), the end surface of the knife shaft (100) along its length direction is continuously provided with multiple clamping groove (110), the locking mechanism that can be separated or engaged with the clamping groove (110) is arranged on the tool holder (200), when the locking mechanism is engaged with the clamping groove (110), for locking the tool holder (200) with the knife shaft (100) together.
2. An agricultural implement mounting shoe according to claim 1, characterised in that: The locking mechanism includes a set screw (240), a positioning table (250), and a pressure rod (270), the clamping groove (110) is an arc concave structure as a whole, the positioning table (250) is arranged opposite to the clamping groove (110), and the end surface of the positioning table (250) towards the clamping groove (110) is configured as an arc surface that is adapted to engage with the clamping groove (110).
3. An agricultural implement mounting shoe according to claim 2, characterised in that: The tool holder (200) has a movable cavity (280) with one end opening towards the clamping groove (110), the positioning table (250) is arranged in the movable cavity (280) and can reciprocate along the movable cavity (280), and an elastic member (260) is arranged between the end surface of the positioning table (250) and the movable cavity (280).
4. An agricultural implement mounting shoe according to claim 3, characterised in that: One end of the pressure rod (270) is arranged on the end surface of the positioning table (250) away from the clamping groove (110), the elastic member (260) is sleeved on the outside of the pressure rod (270), the other end of the pressure rod (270) is a flat plate part, the end surface of the flat plate part abuts against the end of the set screw (240), and the tool holder (200) is provided with a threaded hole adapted to the set screw (240).
5. An agricultural implement mounting shoe according to claim 1, wherein: The blade (300) is multiple and arranged on the end surface of the tool holder (200) in a circumferential interval, the end surface of the tool holder (200) is recessed inward to form a receiving cavity (210) for accommodating the end of the blade (300), the receiving cavity (210) is provided with a mounting hole (220) penetratingly arranged thereon, the blade (300) is provided with a through hole (320) corresponding to the mounting hole (220), and the blade (300) and the tool holder (200) are locked together by a fastener.
6. An agricultural implement mounting shoe according to claim 5, characterised in that: The receiving cavity (210) is provided with a plurality of positioning columns (230) arranged at intervals therein, the blade (300) is provided with a positioning hole (310) adapted to the positioning column (230), and the end surface of the positioning column (230) is a circular table structure with a wide upper part and a narrow lower part.
7. An agricultural implement mounting shoe according to claim 1, characterized in that: The tool holder (200) is provided with a shaft hole (290) corresponding to the knife shaft (100).
Citation Information
Patent Citations
Blade holder for mounting blades of rotary cultivator
CN211240708U