Pull body structure of mini-tiller
The detachable connection structure of the octagonal connecting sleeve and the plug-in column solves the problem of insufficient stability of the mini-tiller trailer on slopes, realizes multi-angle adjustment and strength improvement, and enhances the working stability of the mini-tiller on complex terrain.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-03-31
AI Technical Summary
The existing mini-tiller trailer is connected to the drag bar, but the angle of the drag bar is fixed, which increases the risk of tipping over when used on slopes, and the connection strength is insufficient.
It adopts a detachable connection structure with an octagonal connecting sleeve and a plug-in post, and achieves multi-angle adjustment through threaded pins to enhance connection strength. It also improves stability through locking limit grooves and protective inner pads.
This technology allows for adjustment of the resistance bar insertion angle based on the slope angle, improving the stability and connection strength of the micro-tiller on slopes and reducing the risk of tipping over.
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Figure CN224054821U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of micro plough, concretely relates to a micro plough trailer structure. BACKGROUND
[0002] The micro plough is a kind of small agricultural machinery, and the trailer is the key component of the micro plough, which is connected with the resistance bar, can improve the stability and terrain adaptability of the micro plough by the resistance bar, but the micro plough is widely used in the ploughing operation of complex terrain such as hilly and sloping land.
[0003] The application number: 202322308821.9 includes bottom plate 1, fixed plate 2, top plate 3, first shaft hole 4, second shaft hole 5, positioning column 6, reinforcing rib 8, U cavity 9, can effectively increase the strength of trailer itself, but the trailer adopts integrated fixed structure, the angle of resistance bar is consistent with the angle of the body of micro plough after the connection of trailer and resistance bar is completed, when the micro plough moves on the slope, the resistance bar is in the state of inclining to the low side of slope, when the force generated by the vibration of micro plough is applied on the ground through the resistance bar, the resistance bar will apply reverse force to the trailer and micro plough, since the resistance bar inclines to the low side of slope, the force applied by the resistance bar will increase the risk of micro plough overturning to the low side of slope. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of micro plough trailer structure, with the characteristics that the trailer connecting groove plate can be adjusted at multiple angles according to the inclination angle of slope, so that the micro plough can be more stable.
[0005] The utility model provides the following technical scheme: a kind of micro plough trailer structure, including trailer connecting piece and trailer connecting groove plate, the one end of the trailer connecting piece is fixedly connected with octagonal connecting sleeve, the top of the octagonal connecting sleeve is equipped with insertion accommodation hole one, the top of the octagonal connecting sleeve is equipped with insertion accommodation hole two, the trailer connecting groove plate one side is fixedly connected with octagonal insertion column, four interval distribution side walls of the octagonal insertion column are equipped with screw thread connection hole one, another four side walls of the octagonal insertion column are equipped with screw thread connection hole two, the screw thread connection hole one and the screw thread connection hole two are respectively corresponding with the insertion accommodation hole one and the insertion accommodation hole two position, threaded pin is inserted in the insertion accommodation hole one, the threaded pin is detachably connected with the octagonal insertion column.
[0006] Among them, eight evenly distributed clamping limit grooves are arranged on the inner wall of the octagonal connecting sleeve, and the clamping limit grooves are corresponding with the eight corners of the octagonal connecting sleeve.
[0007] Among them, the octagonal connecting sleeve and the inner wall of the clamping limit groove are fixedly connected with protective inner pad, and the protective inner pad is attached to the octagonal insertion column.
[0008] Two let slots are arranged in the center of the octagonal insertion column, one of the let slots corresponds to the position of four threaded connection holes, and the other let slot corresponds to the position of four threaded connection holes two.
[0009] Eight evenly distributed side limiting prisms are fixedly connected to the outer wall of the octagonal insertion column, and the eight side limiting prisms are inserted into the eight clamping limiting grooves.
[0010] One end of the octagonal insertion column is fixedly connected with a guide block, and the projection area of the end of the guide block is smaller than the projection area of the octagonal insertion column.
[0011] The top end of the threaded pin is fixedly connected with a plugging plug.
[0012] The beneficial effects of the utility model are: the detachable connection of the octagonal connecting sleeve and the octagonal insertion column enables personnel to adjust the multi-angle of the trailer body connecting groove plate according to the inclination angle of the slope surface, so that the resistance rod installed on the trailer body connecting groove plate can be inserted into the ground as support at a suitable angle, so that the micro tiller can be more stable, and the insertion let hole one and the insertion let hole two and the four threaded connection hole one and the four threaded connection hole two are distributed in a staggered manner, which can increase the distance between the holes and grooves of the octagonal connecting sleeve and the octagonal insertion column, improve the strength of the octagonal connecting sleeve and the octagonal insertion column itself, and effectively improve the connection strength of the device.
[0013] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the octagonal connecting sleeve and the octagonal insertion column in the utility model;
[0016] Figure 3 It is a structural schematic diagram of the threaded connection hole two in the utility model;
[0017] Figure 4 It is Figure 1 It is an enlarged view of A part in the utility model.
[0018] In the figure: 1, trailer connecting piece; 11, trailer connecting groove plate; 2, octagonal connecting sleeve; 21, insertion accommodation hole one; 22, insertion accommodation hole two; 23, clamping limiting groove; 24, protective inner pad; 3, octagonal insertion column; 31, threaded connection hole one; 32, threaded connection hole two; 33, accommodation groove; 34, side limiting prism; 35, guide block; 4, threaded pin; 41, plugging plug. DETAILED DESCRIPTION
[0019] Please refer to Figures 1-4 The utility model provides the following technical scheme: a kind of micro tiller trailer structure, including trailer connecting piece 1 and trailer connecting groove plate 11, trailer connecting piece 1 one end is fixedly connected with octagonal connecting sleeve 2, octagonal connecting sleeve 2 top end is equipped with insertion accommodation hole one 21, octagonal connecting sleeve 2 top end is equipped with insertion accommodation hole two 22, trailer connecting groove plate 11 one side is fixedly connected with octagonal insertion column 3, four interval distribution side wall of octagonal insertion column 3 is equipped with threaded connection hole one 31, other four side walls of octagonal insertion column 3 are equipped with threaded connection hole two 32, threaded connection hole one 31 and threaded connection hole two 32 are respectively with insertion accommodation hole one 21 and insertion accommodation hole two 22 position correspondence, threaded pin 4 is inserted in insertion accommodation hole one 21, threaded pin 4 is detachably connected with octagonal insertion column 3.
[0020] In the embodiment: trailer connecting piece 1 is connected with micro tiller body, then octagonal insertion column 3 is inserted into octagonal connecting sleeve 2 in alignment, when inserting, according to the angle of inclination of slope, the angle of octagonal insertion column 3 inserted into octagonal connecting sleeve 2 is selected, so that trailer connecting groove plate 11 is in horizontal or is inclined state with the angle opposite to the direction of slope, then threaded pin 4 is used to connect octagonal connecting sleeve 2 and octagonal insertion column 3, when threaded connection hole one 31 is towards upper, threaded pin 4 is inserted into threaded connection hole one 31 by passing through insertion accommodation hole one 21, when threaded connection hole two 32 is towards upper, threaded pin 4 is inserted into threaded connection hole two 32 by passing through insertion accommodation hole two 22, by the detachable connection of octagonal connecting sleeve 2 and octagonal insertion column 3, so that personnel can carry out multi-angle adjustment to trailer connecting groove plate 11 according to the angle of inclination of slope, so that resistance rod installed on trailer connecting groove plate 11 can be inserted into ground as support with suitable angle, to provide oblique upward force to micro tiller, so that micro tiller can be more stable, and insertion accommodation hole one 21 and insertion accommodation hole two 22 and four threaded connection hole one 31 and four threaded connection hole two 32 are distributed in dislocation, can increase the distance between hole and groove on octagonal connecting sleeve 2 and octagonal insertion column 3, improve the strength of octagonal connecting sleeve 2 and octagonal insertion column 3 itself, to effectively improve the connection strength of device.
[0021] The inner wall of the octagonal connecting sleeve 2 is provided with eight evenly distributed clamping limiting grooves 23 corresponding to the positions of the eight edges of the octagonal connecting sleeve 2. The clamping limiting grooves 23 can provide a yielding effect, and the positions of the clamping limiting grooves 23 correspond to the edges of the octagonal connecting sleeve 2, so that the inner wall of the clamping limiting grooves 23 can still maintain a sufficient thickness to maintain sufficient strength.
[0022] The inner wall of the octagonal connecting sleeve 2 and the clamping limiting groove 23 is fixedly connected with a protective inner pad 24, and the protective inner pad 24 is attached to the octagonal plug-in column 3. The protective inner pad 24 can protect the octagonal connecting sleeve 2 and the octagonal plug-in column 3, and reduce the wear and tear caused by friction and extrusion between the octagonal connecting sleeve 2 and the octagonal plug-in column 3.
[0023] The center of the octagonal plug-in column 3 is provided with two yielding grooves 33, one of which corresponds to the positions of the four threaded connection holes one 31, and the other corresponds to the positions of the four threaded connection holes two 32. The yielding grooves 33 can yield to the threaded pin 4, so that the threaded pin 4 can be inserted deeper into the octagonal plug-in column 3.
[0024] The outer wall of the octagonal plug-in column 3 is fixedly connected with eight evenly distributed side limiting prisms 34, and the eight side limiting prisms 34 are respectively inserted into the eight clamping limiting grooves 23. The side limiting prisms 34 inserted into the clamping limiting grooves 23 can increase the torsion limiting effect of the octagonal connecting sleeve 2 on the octagonal plug-in column 3.
[0025] One end of the octagonal plug-in column 3 is fixedly connected with a guide block 35, and the projection area of the end of the guide block 35 is smaller than the projection area of the octagonal plug-in column 3. The guide block 35 can play a guiding role, so that the octagonal plug-in column 3 can be more conveniently inserted into the octagonal connecting sleeve 2.
[0026] The top end of the threaded pin 4 is fixedly connected with a plugging plug 41. The plugging plug 41 can plug the plug-in yielding hole one 21 or the plug-in yielding hole two 22, so as to avoid the blockage of the plug-in yielding hole one 21 or the plug-in yielding hole two 22 by mud. When the threaded pin 4 is inserted into the plug-in yielding hole one 21, the plugging plug 41 is inserted into the plug-in yielding hole two 22, and when the threaded pin 4 is inserted into the plug-in yielding hole two 22, the plugging plug 41 is inserted into the plug-in yielding hole one 21.
[0027] The working principle and use flow of the utility model: the trailer connecting piece 1 is connected with the micro tiller body, then the octagonal insertion column 3 is inserted in the octagonal connecting sleeve 2, the angle of the octagonal insertion column 3 inserted in the octagonal connecting sleeve 2 is selected according to the inclination angle of the slope surface, so that the trailer connecting groove plate 11 is in the horizontal or the angle inclination state opposite to the direction of the slope surface, then the octagonal connecting sleeve 2 and the octagonal insertion column 3 are connected by using the threaded pin 4, when the threaded connection hole one 31 is towards the upper side, the threaded pin 4 is inserted in the threaded connection hole one 31 through the insertion gap hole one 21, when the threaded connection hole two 32 is towards the upper side, the threaded pin 4 is inserted in the threaded connection hole two 32 through the insertion gap hole two 22, the trailer connecting groove plate 11 is adjusted at multiple angles according to the inclination angle of the slope surface, so that the resistance rod installed on the trailer connecting groove plate 11 can be inserted in the ground as the support at the suitable angle, the oblique force is provided to the micro tiller, so that the micro tiller can be more stable.
Claims
1. A micro tiller trailer structure, comprising a trailer connecting piece (1) and a trailer connecting groove plate (11), characterized in that: One end of the trailer connecting piece (1) is fixedly connected with an octagonal connecting sleeve (2), an insertion accommodating hole one (21) is formed in the top end of the octagonal connecting sleeve (2), an insertion accommodating hole two (22) is formed in the top end of the octagonal connecting sleeve (2), one side of the trailer connecting groove plate (11) is fixedly connected with an octagonal insertion column (3), four interval distributed side walls of the octagonal insertion column (3) are provided with threaded connection holes one (31), the other four side walls of the octagonal insertion column (3) are provided with threaded connection holes two (32), the threaded connection holes one (31) and the threaded connection holes two (32) are respectively corresponding to the insertion accommodating hole one (21) and the insertion accommodating hole two (22), a threaded pin (4) is inserted into the insertion accommodating hole one (21), and the threaded pin (4) is detachably connected with the octagonal insertion column (3).
2. The micro tiller trailer structure according to claim 1, characterized in that: Eight evenly distributed clamping limiting grooves (23) are formed in the inner wall of the octagonal connecting sleeve (2), and the clamping limiting grooves (23) correspond to the eight corners of the octagonal connecting sleeve (2).
3. The micro tiller trailer structure according to claim 2, characterized in that: The octagonal connecting sleeve (2) and the clamping limiting groove (23) are fixedly connected with a protective inner pad (24), and the protective inner pad (24) is attached to the octagonal insertion column (3).
4. The micro tiller trailer structure of claim 1, wherein: The octagonal insertion column (3) is provided with two accommodating grooves (33) in the center, one of the accommodating grooves (33) corresponds to the four threaded connection holes one (31), and the other accommodating groove (33) corresponds to the four threaded connection holes two (32).
5. The micro tiller trailer structure according to claim 3, wherein: The outer wall of the octagonal insertion column (3) is fixedly connected with eight evenly distributed side limiting prisms (34), and the eight side limiting prisms (34) are respectively inserted into the eight clamping limiting grooves (23).
6. The micro tiller trailer structure according to claim 1, wherein: One end of the octagonal insertion column (3) is fixedly connected with a guide block (35), and the projection area of the end of the guide block (35) is smaller than the projection area of the octagonal insertion column (3).
7. The micro tiller trailer structure according to claim 1, wherein: The threaded pin (4) is fixedly connected with a plugging plug (41) at the top end.
Citation Information
Patent Citations
Pull body structure of mini-tiller
CN220606479U