Rotary connecting frame of resistance tillage blade of rotary cultivator

Abstract

The utility model discloses a rotary connecting frame of a resistance tilling cutter of a rotary cultivator, which comprises a connecting plate, an angle adjusting piece is arranged at one end of the connecting plate, a rotary supporting piece is arranged on the angle adjusting piece, and the resistance tilling cutter is arranged on the rotary supporting piece; according to the rotary cultivator, the resistance tillage blade is arranged on the rotary supporting piece, when a user turns a reverse gear, the resistance tillage blade encounters an obstacle, and the resistance tillage blade automatically rotates by a certain angle in the angle adjusting piece, so that the resistance tillage blade easily crosses the obstacle, manual operation of the user is not needed, and the situation that the rotary cultivator is lifted up, misoperation is caused, and personal injury is caused is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural machinery, concretely relates to a rotary connecting frame of resistance plough of rotary cultivator. BACKGROUND

[0002] At present on the market, the resistance plough of rotary cultivator generally needs to be fixedly connected with the towing body, so that the resistance plough is kept in the vertical rotary tillage state when rotary tillage, the resistance plough of rotary cultivator is directly fixedly connected with the connecting frame on the towing body, so that the resistance plough cannot rotate, and when the rotary cultivator is in reverse, the rotary cultivator handle must be lifted to make the resistance plough higher than the ground, and when reversing, the user is in the state of walking backward, the field of vision is not wide, and the action of lifting the rotary cultivator is very dangerous, and improper operation can easily cause personal injury.

[0003] Therefore, the company has developed a rotary connecting frame of resistance plough of rotary cultivator, which can easily and simply realize automatic rotation when reversing. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the utility model discloses a connecting frame structure of automatic rotation of resistance plough of rotary cultivator, which comprises a connecting plate, characterized in that: one end of the connecting plate is provided with an angle adjusting part, the angle adjusting part is provided with a rotary support part, and the rotary support part is provided with a resistance plough.

[0005] The other end of the connecting plate is connected with a fixing device, the fixing device comprises a fixing seat, the fixing seat is provided with a clamping part, the clamping part can be a semicircular cylinder or two supporting plates provided with through holes, and the supporting plates are arranged in parallel.

[0006] The semicircular cylinder is connected with a towing body or the supporting plate is connected with a towing body.

[0007] Compared with the prior art, the utility model has the beneficial effects that: by arranging the resistance plough on the rotary support part, when the user reverses, the resistance plough automatically rotates a certain angle in the angle adjusting part when encountering an obstacle, so that the resistance plough easily passes over the obstacle, manual operation of the user is avoided, the rotary cultivator is not lifted, improper operation is avoided, and personal injury is avoided.

[0008] Further, the angle adjusting part comprises a limiting plate one and a limiting plate two, a blocking part is arranged between the limiting plate one and the limiting plate two, one end of the connecting plate is arranged between the limiting plate one and the limiting plate two, and an active cavity is formed between the angle adjusting part and the connecting plate.

[0009] The beneficial effects of the further technical scheme are that: the movable cavity is formed between the angle adjusting piece and the connecting plate, the resistance plow is movable in the movable cavity, when walking normally, the resistance plow is in a vertical state in the movable cavity and is attached to the connecting plate, the resistance of the resistance plow is unchanged, the inertia and speed of the machine are reduced, and the machine runs more smoothly, stably and safely; when in reverse, the resistance plow rotates a certain angle in the movable cavity when encountering an obstacle, the lower end of the resistance plow rotates a certain angle towards the side close to the connecting plate, so as to easily cross the obstacle, thereby facilitating the use of the user.

[0010] Further, the height of the blocking piece is lower than the limiting plate one and the limiting plate two.

[0011] The bottom surface of the end of the connecting plate in contact with the limiting plate one and the limiting plate two is higher than the top surface of the blocking piece.

[0012] The beneficial effects of the further technical scheme are that: the height of the blocking piece is lower than the limiting plate one and the limiting plate two, thereby providing a certain rotation space for the upper end of the resistance plow to rotate downward, and the bottom surface of the end of the connecting plate in contact with the limiting plate one and the limiting plate two is higher than the top surface of the blocking piece, thereby providing a certain rotation space for the lower end of the resistance plow to rotate upward, so that the resistance plow can move in the rotation space easily.

[0013] Further, the limiting plate one and the limiting plate two are parallel.

[0014] The two opposite surfaces of the blocking piece are parallel and perpendicular to the limiting plate one and the limiting plate two.

[0015] The beneficial effects of the further technical scheme are that: the limiting plate one and the limiting plate two are parallel, and the two opposite surfaces of the blocking piece are parallel and perpendicular to the limiting plate one and the limiting plate two, thereby forming a compact movable space, avoiding the deviation of the resistance plow, making the resistance plow in a vertical rotary tillage state, and avoiding the upper end of the resistance plow from tilting towards the connecting plate and the lower end of the resistance plow from tilting towards the person to cause danger.

[0016] Further, the blocking piece is a U-shaped piece, and the width inside the blocking piece is equal to the width between the limiting plate one and the limiting plate two.

[0017] Preferably, the bending part of the limiting plate one and the limiting plate two is arc-shaped.

[0018] The beneficial effects of the further technical scheme are that: the blocking piece is a U-shaped piece, the structure between the blocking piece and the limiting plate one and the limiting plate two is more smooth, avoiding scratching the user when installing and adjusting the resistance plow, the width inside the blocking piece is equal to the width between the limiting plate one and the limiting plate two, thereby making the movable space of the resistance plow more compact and making the resistance plow move better in the movable cavity.

[0019] The bending part of the limiting plate one and the limiting plate two is arc-shaped, so that the user is prevented from being scratched when adjusting the height of the resistance plow.

[0020] Further, the rotating support includes a rotating shaft, and the resistance plow is arranged on the rotating shaft.

[0021] The beneficial effect of the above further technical solution is that the resistance plow is arranged on the rotating shaft, so that the resistance plow rotates around the rotating shaft, thereby being easily rotated.

[0022] Further, the rotating shaft is located between the bottom surface of the connecting plate and the top surface of the blocking piece, and the positioning hole is located between the side surfaces of the connecting plate and the blocking piece.

[0023] The beneficial effect of the above further technical solution is that, when an obstacle is encountered, the resistance plow makes a circular motion along the rotating shaft between the connecting plate and the blocking piece, so that the resistance plow above the rotating shaft is turned downward, and the resistance plow below the positioning hole is turned upward, thereby preventing the center point of the circular motion from deviating from the space between the connecting plate and the blocking piece, and preventing the connecting plate or the blocking piece from being blocked.

[0024] Further, the resistance plow is provided with a plurality of adjusting holes, and the lower end of the resistance plow is bent rearward.

[0025] The limiting plate one and the limiting plate two are provided with positioning holes, and the rotating shaft is arranged in the positioning holes.

[0026] The beneficial effect of the above further technical solution is that the rotating shaft is arranged in the positioning holes and the adjusting holes, so that the resistance plow is arranged in the movable space of the angle adjusting piece, and the resistance plow cooperates with the rotating support when the resistance plow is reversed, so as to rotate by a certain angle. The lower end of the resistance plow is bent rearward in an arc shape, so as to effectively reduce the resistance of the resistance plow and improve the overall rotary tillage efficiency. Different adjusting holes are adjusted in cooperation with the positioning holes, so as to adjust the depth of the resistance plow in the soil at will, so as to cope with different soil and terrain, control the working speed and the tillage depth of the micro tiller, greatly reduce the working intensity, and increase the tillage progress.

[0027] Further, one end of the rotating shaft is provided with a limiting block, the other end of the rotating shaft is provided with a clamping hole, and the clamping hole is provided with a clamping piece.

[0028] The beneficial effect of the further technical scheme is that the two ends of the rotating shaft are clamped in the positioning holes through the limiting blocks and the clamping pieces arranged at the two ends of the rotating shaft, the rotating shaft is avoided from falling off, the rotating shaft is movably arranged on the limiting plate one and the limiting plate two, and the resistance plow is movably arranged in the active space in cooperation with the rotating shaft.

[0029] Further, the angle of the resistance plow rotating along the rotating support is 0°-90°.

[0030] The beneficial effect of the further technical scheme is that, in the normal operation state, the resistance plow can ensure the required resistance under the action of the rotating shaft, at this time, the resistance plow does not rotate along the rotating support, and at this time, the rotating angle is 0°; when the reverse gear encounters an obstacle, the angle of the resistance plow in the active space can be automatically adjusted within 0°-90° according to the height of the obstacle, so that the obstacle can be easily crossed, and after the obstacle is crossed, the resistance plow automatically returns to the vertical state. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a structure diagram of the rotating connecting frame Figure One ;

[0032] Figure 2 It is a structure diagram of the rotating connecting frame Figure Two ;

[0033] Figure 3 It is a structure diagram of the rotating connecting frame Figure Three ;

[0034] Figure 4 It is a structure diagram of the rotating connecting frame Figure Four ;

[0035] Marked in the figure: 1, connecting plate; 2, angle adjusting piece; 21, limiting plate one; 22, limiting plate two; 23, blocking piece; 24, positioning hole; 3, rotating support; 31, rotating shaft; 32, limiting block; 33, clamping hole; 34, clamping piece; 4, resistance plow; 41, adjusting hole; 5, active cavity; DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the utility model embodiment.

[0037] The embodiment provides the embodiment 1

[0038] Please refer to Figure 1The utility model discloses a connecting frame structure of resistance plough 4 automatic rotation of rotary cultivator, including the connecting plate 1, one end of connecting plate 1 is provided with angle adjusting part 2, is provided with rotary support 3 on angle adjusting part 2, is provided with resistance plough 4 on rotary support 3, when the user reverses, resistance plough 4 meets the obstacle, resistance plough 4 rotates a certain angle in angle adjusting part 2, makes resistance plough 4 easily cross the obstacle, need not the artificial operation of user, avoids lifting rotary cultivator, leads to improper operation, avoids causing personal injury.

[0039] As an implementation mode, refer to Figures 2-3 The other end of connecting plate 1 is connected with fixing device, the fixing device includes fixed seat, is provided with clamping piece 34 on fixed seat, clamping piece 34 can be half cylinder or be two support plates provided with through -hole, the support plate is parallelly arranged, the half cylinder is connected with trailer or the support plate is connected with trailer.

[0040] Refer to Figures 1-3 Angle adjusting part 2 includes limit plate one 21, limit plate two 22, is provided with stop piece 23 between limit plate one 21 and limit plate two 22, one end of connecting plate 1 is arranged between limit plate one 21 and limit plate two 22, and forms movable cavity 5 between angle adjusting part 2 and connecting plate 1, resistance plough 4 moves in movable cavity 5 by the movable cavity 5 formed between angle adjusting part 2 and connecting plate 1, when walking normally, makes resistance plough 4 in movable cavity 5 be in perpendicular state and be attached to connecting plate 1, makes the resistance of resistance plough 4 unchangeable, reduces the inertia and speed of machine, makes machine travel more smoothly, stably and safely, when reversing, resistance plough 4 meets the obstacle, and resistance plough 4 rotates a certain angle in movable cavity 5, and the lower end of resistance plough 4 rotates a certain angle to the side close to connecting plate 1, so as to easily cross the obstacle, so as to facilitate the use of user.

[0041] The height of stop piece 23 is lower than limit plate one 21 and limit plate two 22, the bottom surface of one end of connecting plate 1 and limit plate one 21, limit plate two 22 contact is higher than the top surface of stop piece 23, the height of stop piece 23 is lower than limit plate one 21 and limit plate two 22, so as to provide a certain rotation space for the upper end of resistance plough 4 to rotate downward, the bottom surface of one end of connecting plate 1 and limit plate one 21, limit plate two 22 contact is higher than the top surface of stop piece 23, so as to provide a certain rotation space for the lower end of resistance plough 4 to rotate upward, can make resistance plough 4 can easily move in rotation space.

[0042] The limiting plate one 21 and the limiting plate two 22 are parallel; the two opposite surfaces of the blocking piece 23 are parallel to the connecting plate 1 and are perpendicular to the limiting plate one 21 and the limiting plate two 22; by the parallel of the limiting plate one 21 and the limiting plate two 22, and by the parallel of the two opposite surfaces of the blocking piece 23 to the connecting plate 1 and the perpendicular of the two opposite surfaces of the blocking piece 23 to the limiting plate one 21 and the limiting plate two 22, a compact moving space is formed, the deviation of the resistance cultivator 4 is avoided, the resistance cultivator 4 can be in a vertical rotary tillage state, and the upper end of the resistance cultivator 4 is prevented from tilting towards the connecting plate 1, and the lower end of the resistance cultivator 4 is prevented from tilting towards the person and causing danger.

[0043] The blocking piece 23 is a U-shaped piece, and the width of the inside of the blocking piece 23 is equal to the width between the limiting plate one 21 and the limiting plate two 22; preferably, the bending parts of the limiting plate one 21 and the limiting plate two 22 are arc-shaped; by the U-shaped blocking piece 23, the structure between the blocking piece 23 and the limiting plate one 21 and the limiting plate two 22 is more smooth, the user is prevented from being scratched during the installation and adjustment of the resistance cultivator 4, the width of the inside of the blocking piece 23 is equal to the width between the limiting plate one 21 and the limiting plate two 22, so that the moving space of the resistance cultivator 4 is more compact, and the resistance cultivator 4 can better move in the moving cavity; by the arc-shaped bending parts of the limiting plate one 21 and the limiting plate two 22, the user is prevented from being scratched when adjusting the height of the resistance cultivator 4.

[0044] Please refer to Figures 1-4 The rotating support 3 comprises a rotating shaft 31, and the resistance cultivator 4 is arranged on the rotating shaft 31; by arranging the resistance cultivator 4 on the rotating shaft 31, the resistance cultivator 4 rotates around the rotating shaft 31, so that the rotation is easy.

[0045] The rotating shaft 31 is located between the bottom surface of the connecting plate 1 and the top surface of the blocking piece 23, and the positioning hole 24 is located between the side surfaces of the connecting plate 1 and the blocking piece 23 which are arranged opposite to each other; by locating the rotating shaft 31 between the bottom surface of the connecting plate 1 and the top surface of the blocking piece 23, and locating the positioning hole 24 between the side surfaces of the connecting plate 1 and the blocking piece 23 which are arranged opposite to each other, when an obstacle is encountered, the resistance cultivator 4 makes a circular motion along the rotating shaft 31 between the connecting plate 1 and the blocking piece 23, the resistance cultivator 4 above the rotating shaft 31 rotates downward, the resistance cultivator 4 below the positioning hole 24 rotates upward, the center point of the circular motion is prevented from deviating from the space between the connecting plate 1 and the blocking piece 23, and the blocking of the connecting plate 1 or the blocking piece 23 is avoided.

[0046] The resistance cultivator 4 is provided with a plurality of adjusting holes 41, and the lower end of the resistance cultivator 4 is bent rearward; the limiting plate one 21 and the limiting plate two 22 are provided with positioning holes 24, and the rotating shaft 31 is arranged in the positioning holes 24; the rotating shaft 31 is arranged in the positioning holes 24 and the adjusting holes 41, so that the resistance cultivator 4 is arranged in the activity space of the angle adjusting piece 2, and when the reverse gear is used, the resistance cultivator 4 cooperates with the rotating support piece 3, so as to rotate at a certain angle; the lower end of the resistance cultivator 4 is bent rearward in an arc shape, so that the resistance of the resistance cultivator 4 can be effectively reduced, and the overall rotary tillage efficiency is improved; different adjusting holes 41 are adjusted in cooperation with the positioning holes 24, so that the depth of the resistance cultivator 4 in the soil can be adjusted at will, different soil and terrain can be selected to respond, the working speed and the tillage depth of the micro tiller are controlled, the working intensity is greatly reduced, and the tillage progress is increased.

[0047] Please refer to Figure 4 One end of the rotating shaft 31 is provided with a limiting block 32, the other end of the rotating shaft 31 is provided with a clamping hole 33, and the clamping hole 33 is provided with a clamping piece 34; the limiting block 32 and the clamping piece 34 are arranged at both ends of the rotating shaft 31, so that both ends of the rotating shaft 31 are clamped in the positioning hole 24, the rotating shaft 31 is prevented from falling off, the rotating shaft 31 is movably arranged on the limiting plate one 21 and the limiting plate two 22, and the resistance cultivator 4 cooperates with the rotating shaft 31 to rotate and move in the activity space.

[0048] Please refer to Figure 1 The angle of the resistance cultivator 4 rotating along the rotating support piece 3 is 0°-90°; in the normal running state, the resistance cultivator 4 can ensure the required resistance under the action of the rotating shaft 31, at this time, the resistance cultivator 4 does not rotate along the rotating support piece 3, and at this time, the rotating angle is 0°; when the reverse gear encounters an obstacle, the angle of the resistance cultivator 4 in the activity space can be automatically adjusted in 0°-90° according to the height of the obstacle, so that the obstacle can be easily crossed, and after the obstacle is crossed, the resistance cultivator 4 automatically returns to the vertical state.

[0049] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them; based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A rotary connecting frame for a resistance tiller blade of a rotary tiller, comprising a connecting plate (1), characterized in that: The other end of the connecting plate (1) is provided with an angle adjustment member (2), a rotating support member (3) is provided on the angle adjustment member (2), and a resistance tillage blade (4) is provided on the rotating support member (3); The angle adjustment member (2) comprises a first limiting plate (21) and a second limiting plate (22); a stopper (23) is provided between the first limiting plate (21) and the second limiting plate (22); one end of the connecting plate (1) is provided between the first limiting plate (21) and the second limiting plate (22); and a movable cavity (5) is formed between the angle adjustment member (2) and the connecting plate (1); The height of the stopper (23) is lower than the first limiting plate (21) and the second limiting plate (22); The bottom surface of one end of the connecting plate (1) that contacts the first limiting plate (21) and the second limiting plate (22) is higher than the top surface of the stopper (23).

2. The rotary connecting frame of the resistance tiller blade of a rotary tiller according to claim 1, characterized in that: The limiting plate 1 (21) and the limiting plate 2 (22) are parallel; The two surfaces of the stopper (23) opposite to the connecting plate (1) are parallel and perpendicular to the first limiting plate (21) and the second limiting plate (22).

3. The rotary connecting frame of the resistance tiller blade of a rotary tiller according to claim 1, characterized in that: The stopper (23) is a U-shaped member, and the width inside the stopper (23) is equal to the width between the first limiting plate (21) and the second limiting plate (22).

4. The rotary connecting frame of the resistance tiller blade of a rotary tiller according to claim 2, characterized in that: The bending parts of the limiting plate 1 (21) and the limiting plate 2 (22) are arc-shaped.

5. The rotary connecting frame of the resistance tiller blade of a rotary tiller according to claim 1, characterized in that: The rotating support (3) comprises a rotating shaft (31), and the resistance tillage blade (4) is arranged on the rotating shaft (31).

6. The rotary connecting frame of the resistance tiller blade of a rotary tiller according to claim 5, characterized in that: The rotating shaft (31) is located between the bottom surface of the connecting plate (1) and the top surface of the stopper (23), and the positioning hole (24) is located between the side surfaces of the connecting plate (1) and the stopper (23) that are arranged opposite to each other.

7. The rotary connecting frame of the resistance tiller blade of a rotary tiller according to claim 5, characterized in that: The resistance tillage blade (4) is provided with a plurality of adjustment holes (41); Positioning holes (24) are provided on the first limiting plate (21) and the second limiting plate (22), and the rotating shaft (31) is provided in the positioning holes (24).

8. The rotary connecting frame of the resistance tiller blade of a rotary tiller according to claim 7, characterized in that: A limit block (32) is provided at one end of the rotating shaft (31), a holding hole (33) is provided at the other end of the rotating shaft (31), and a holding piece (34) is provided in the holding hole (33).

9. The rotary connecting frame of the resistance tiller blade of a rotary tiller according to claim 1, characterized in that: The resistance tillage blade (4) rotates along the rotating support (3) at an angle of 0°-90°.

Images