Lifting mechanism of rotary cultivator

Abstract

The lifting mechanism of the rotary cultivator comprises a supporting frame and side supporting frames arranged on the two sides of the supporting frame, a plurality of supporting wheels and guide wheels are arranged at the bottoms of the side supporting frames, and longitudinal adjusting assemblies are arranged between the supporting wheels and the side supporting frames and between the guide wheels and the side supporting frames. A longitudinal adjusting assembly is arranged between the side supporting frames and the supporting frame, the longitudinal adjusting assembly is used for adjusting the height of the supporting wheels and the height of the guide wheels, and a transverse adjusting assembly is arranged between the side supporting frames and the supporting frame and used for adjusting the distance between the side supporting frames and the supporting frame. The supporting wheel is attached to ground soil, the guide wheel is attached to the inner side of a groove, the rotary cultivator can be better attached to the terrain so as to prevent the rotary cultivator from deviating in the working process, the longitudinal adjusting assembly is used for adjusting the height of the supporting wheel and the height of the guide wheel, and rapid adjustment of the rotary tillage depth of the rotary cultivator is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary tillers, in particular to a lifting mechanism of a rotary tiller. Background Art

[0002] A rotary tiller is a tilling machine that is used in conjunction with a tractor to complete plowing and harrowing operations. It is widely used because of its strong soil crushing ability and flat surface after plowing. It can also cut up the root stubble buried below the surface, making it easier for the seeder to operate and providing a good seed bed for later sowing.

[0003] The structure of the rotary tiller in the prior art includes a main frame and a rotary tilling mechanism installed at the bottom of the main frame, and the main frame is connected to the power equipment to drive the rotary tilling mechanism to move and perform rotary tilling operations. However, the main frame structure of the existing rotary tiller is simple, and is only used as a component for installing the rotary tilling mechanism and connecting it to the power equipment. The adjustment of the rotary tilling depth is mostly achieved by replacing rotary tilling blades of different specifications, which is cumbersome and time-consuming to operate. During the process of moving and rotary tilling, the rotary tilling mechanism is easily separated from the working area, resulting in the need to stop the machine to adjust the position, which greatly reduces the work efficiency. Therefore, it is necessary to design a lifting mechanism of a rotary tiller to improve the above-mentioned problems. Utility Model Content

[0004] 1. Technical problems to be solved by the utility model

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a lifting mechanism for a rotary tiller, aiming to solve the problem of adjusting the rotary tillage depth in the prior art by replacing rotary tillage blades of different specifications, which is cumbersome and time-consuming to operate. During the process of walking and rotary tilling, the rotary tillage mechanism is easily separated from the working area, resulting in the need to stop the machine to adjust the position, thereby reducing work efficiency.

[0006] 2. Technical solution

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A lifting mechanism of a rotary tiller includes a support frame and side support frames arranged on both sides of the support frame, a plurality of support wheels and guide wheels are arranged at the bottom of the side support frames, a longitudinal adjustment component is arranged between each of the support wheels and guide wheels and the side support frames, the longitudinal adjustment component is used to adjust the height of the support wheels and guide wheels, a transverse adjustment component is arranged between the side support frames and the support frame, the transverse adjustment component is used to adjust the distance between the side support frames and the support frame.

[0009] Preferably, the guide wheel is located on a side of the support wheel close to the support frame.

[0010] Preferably, the longitudinal adjustment assembly includes a first screw rod, a longitudinal telescopic rod and a first threaded sleeve, a first accommodating cavity is longitudinally opened on the side support frame, the bottom end of the first accommodating cavity extends to the bottom of the side support frame to form a first opening, the longitudinal telescopic rod is slidably installed in the first accommodating cavity and the bottom end passes through the first opening, the support wheel and the guide wheel are installed at the bottom of the longitudinal telescopic rod, the first threaded sleeve is embedded and installed inside the longitudinal telescopic rod, the first screw rod is threadedly connected to the first threaded sleeve, the top end of the first threaded sleeve passes through the side support frame and extends to the outside and is fixedly connected to the first handle wheel, and the first screw rod is rotatably connected to the side support frame.

[0011] Preferably, a slot is provided at the bottom of the longitudinal telescopic rod, and the tops of the support wheel and the guide wheel are fixedly connected with plug posts, and the plug posts are inserted into the slot and fixed by fixing bolts.

[0012] Preferably, the lateral adjustment assembly includes a lateral telescopic rod, a second screw rod and a second threaded sleeve, one end of the lateral telescopic rod is fixedly connected to one side of the side support frame, and both ends of the support frame are provided with second accommodating grooves corresponding to the position of the lateral telescopic rod, the other end of the lateral telescopic rod is slidably installed in the second accommodating groove, a through hole is opened inside the lateral telescopic rod along the length direction, the second screw rod is rotatably connected to the through hole, the second threaded sleeve is embedded and installed in the support frame, one end of the second threaded sleeve is in communication with the second accommodating groove, and one end of the second screw rod extends to the outside of the lateral telescopic rod and is threadedly connected to the second threaded sleeve.

[0013] Preferably, the other end of the second screw rod passes through the side support frame and is fixedly connected to a second handle wheel, and the second screw rod is rotatably connected to the side support frame.

[0014] Preferably, the side support frame is symmetrically fixedly connected to two guide rods on one side close to the transverse telescopic rod, and third accommodating grooves corresponding to the positions of the guide rods are provided at both ends of the support frame. One end of the guide rod is slidably installed in the third accommodating groove, and the length of the guide rod is greater than the length of the transverse telescopic rod.

[0015] Preferably, length indicating lines are provided on the outer sides of the longitudinal telescopic rod and the transverse telescopic rod along the length direction.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) The utility model provides a support frame, a side support frame, a support wheel and a guide wheel. The support frame and the side support frame provide support for the rotary tillage mechanism and are used to connect with the power equipment. The support wheel is attached to the ground soil, and the guide wheel is attached to the inner side of the groove. The utility model can better fit the terrain to prevent the rotary tiller from running off during operation and avoid the problem of the rotary tiller needing to stop and adjust its position during operation.

[0019] (2) The utility model provides a longitudinal adjustment component for adjusting the height of the support wheel and the guide wheel, thereby realizing rapid adjustment of the rotary tillage depth of the rotary tiller. The utility model provides a transverse adjustment component for adjusting the distance between the support wheel and the guide wheel on the two side support frames. The utility model is suitable for use on terrains of different widths, has high applicability, simple structure, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the lifting mechanism of the rotary tiller;

[0021] Figure 2 It is a schematic diagram of the side cross-sectional structure of the lifting mechanism of the rotary tiller;

[0022] Figure 3 It is a schematic diagram of a cross-sectional structure of a lifting mechanism of a rotary tiller from a top view;

[0023] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of area A.

[0024] In the figure: 1. support frame; 101. second accommodating slot; 102. third accommodating slot; 2. side support frame; 201. first accommodating chamber; 3. support wheel; 4. guide wheel; 5. longitudinal adjustment assembly; 501. first screw rod; 502. first handle wheel; 503. longitudinal telescopic rod; 5031. slot; 504. first threaded sleeve; 6. transverse adjustment assembly; 601. transverse telescopic rod; 602. second screw rod; 603. second handle wheel; 604. second threaded sleeve; 605. guide rod; 7. plug column; 8. fixing bolt. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0026] See also Figure 1-Figure 4The present embodiment provides a lifting mechanism of a rotary tiller, comprising a supporting frame 1 and side supporting frames 2 arranged on both sides of the supporting frame 1. The rotary tilling mechanism of the rotary tiller is installed at the bottom of the supporting frame 1. A plurality of supporting wheels 3 and guide wheels 4 are arranged at the bottom of the side supporting frames 2. A longitudinal adjustment component 5 is arranged between each supporting wheel 3 and guide wheel 4 and the side supporting frame 2. The longitudinal adjustment component 5 is used to adjust the height of the supporting wheel 3 and the guide wheel 4. A transverse adjustment component 6 is arranged between the side supporting frame 2 and the supporting frame 1. The transverse adjustment component 6 is used to adjust the distance between the side supporting frame 2 and the supporting frame 1. The guide wheel 4 is located on the side of the supporting wheel 3 close to the supporting frame 1. Through the supporting frame 1 and The side support frame 2 provides support for the rotary tillage mechanism and is used to connect with the power equipment. It is fitted on the ground soil through the support wheel 3 and on the inner side of the groove through the guide wheel 4, so it can better fit the terrain to prevent the rotary tiller from running off the track during operation and avoid the need to stop and adjust the position of the rotary tiller during operation. The lateral adjustment component 6 is used to adjust the height of the support wheel 3 and the guide wheel 4, which is convenient for adjusting the rotary tillage depth of the rotary tiller. The lateral adjustment component 6 is used to adjust the distance between the two side support frames 2 and the support frame 1, thereby adjusting the distance between the support wheel 3 and the guide wheel 4 on the two side support frames 2. It is suitable for use on terrains of different widths and has high applicability.

[0027] As an implementation method of this embodiment, Figure 2 As shown, the longitudinal adjustment component 5 includes a first screw rod 501, a longitudinal telescopic rod 503 and a first threaded sleeve 504. A first accommodating cavity 201 is longitudinally opened on the side support frame 2. The bottom end of the first accommodating cavity 201 extends to the bottom of the side support frame 2 to form a first opening. The longitudinal telescopic rod 503 is slidably installed in the first accommodating cavity 201 and the bottom end passes through the first opening. The support wheel 3 and the guide wheel 4 are installed at the bottom of the longitudinal telescopic rod 503. The first threaded sleeve 504 is embedded and installed inside the longitudinal telescopic rod 503. The first screw rod 501 is threadedly connected In the first threaded sleeve 504, the top end of the first threaded sleeve 504 passes through the side support frame 2 and extends to the outside and is fixedly connected with the first handle wheel 502. The first screw rod 501 is rotatably connected to the side support frame 2. The first screw rod 501 is driven to rotate by rotating the handle wheel 502, so that the first screw rod 501 rotates in the first threaded sleeve 504, thereby adjusting the length of the longitudinal telescopic rod 503 extending out of the side support frame 2, and then adjusting the height of the support wheel 3 and the guide wheel 4, thereby realizing rapid adjustment of the rotary tillage depth of the rotary tiller. The structure is simple and easy to use.

[0028] As an implementation method of this embodiment, Figure 3As shown, the lateral adjustment component 6 includes a lateral telescopic rod 601, a second screw rod 602 and a second threaded sleeve 604, one end of the lateral telescopic rod 601 is fixedly connected to one side of the side support frame 2, and both ends of the support frame 1 are provided with a second receiving groove 101 corresponding to the position of the lateral telescopic rod 601, and the other end of the lateral telescopic rod 601 is slidably installed in the second receiving groove 101, and a through hole is opened inside the lateral telescopic rod 601 along the length direction, and the second screw rod 602 is rotatably connected to the through hole, and the second threaded sleeve 604 is embedded and installed in the support frame 1, and one end of the second threaded sleeve 604 is connected to the second receiving groove 101 1, one end of the second screw rod 602 extends outside the transverse telescopic rod 601 and is threadedly connected to the second threaded sleeve 604, the other end of the second screw rod 602 penetrates the side support frame 2 and is fixedly connected to the second handle wheel 603, the second screw rod 602 is rotatably connected to the side support frame 2, and the second screw rod 602 is driven to rotate by rotating the second handle wheel 603, so that the second screw rod 602 rotates in the second threaded sleeve 604, thereby adjusting the length of the transverse telescopic rod 601 extending out of the support frame 1, and then adjusting the distance between the side support frame 2 and the support frame 1, so as to facilitate use on terrains of different widths.

[0029] In this embodiment, if Figure 3 As shown, two guide rods 605 are symmetrically fixedly connected to one side of the side support frame 2 close to the transverse telescopic rod 601, and third accommodating grooves 102 corresponding to the positions of the guide rods 605 are provided at both ends of the support frame 1. One end of the guide rod 605 is slidably installed in the third accommodating groove 102, and the length of the guide rod 605 is greater than the length of the transverse telescopic rod 601. When the side support frame 2 adjusts the distance with the support frame 1, the guide rod 605 slides in the third accommodating groove 102 of the support frame 1, which plays a role of limiting and guiding the support frame 1, thereby improving the stability of the adjustment of the support frame 1 and improving the stability of the connection between the side support frame 2 and the support frame 1.

[0030] In this embodiment, if Figure 4 As shown, a slot 5031 is provided at the bottom of the longitudinal telescopic rod 503, and the tops of the support wheel 3 and the guide wheel 4 are fixedly connected with a plug post 7, which is inserted into the slot 5031 and fixed by a fixing bolt 8. The arrangement of the plug post 7, the slot 5031 and the fixing bolt 8 facilitates the disassembly, assembly and replacement of the support wheel 3 and the guide wheel 4 and the plug post 7, so that the damaged support wheel 3 and guide wheel 4 can be replaced separately, thereby reducing the cost of use.

[0031] In this embodiment, length indicator lines are provided on the outer sides of the longitudinal telescopic rod 503 and the transverse telescopic rod 601 along the length direction. The provided length indicator lines can accurately indicate the extended lengths of the longitudinal telescopic rod 503 and the transverse telescopic rod 601, thereby accurately controlling the height adjustment of the support wheel 3 and the guide wheel 4 and the spacing adjustment between the side support frame 2 and the support frame 1.

[0032] Working principle: When in use, the support wheel 3 is attached to the ground soil, and the guide wheel 4 is attached to the inner side of the groove, so that it can better fit the terrain to prevent the rotary tiller from running off the track during operation. The first screw rod 501 is driven to rotate by turning the handle wheel 502, so that the first screw rod 501 rotates in the first threaded sleeve 504, and the length of the longitudinal telescopic rod 503 extending out of the side support frame 2 is adjusted. The height of the support wheel 3 and the guide wheel 4 is adjusted to achieve rapid adjustment of the rotary tillage depth of the rotary tiller. The second screw rod 602 is driven to rotate by turning the second handle wheel 603, so that the second screw rod 602 rotates in the second threaded sleeve 604, and the length of the transverse telescopic rod 601 extending out of the support frame 1 is adjusted. The distance between the side support frame 2 and the support frame 1 is adjusted to facilitate use on terrains of different widths.

[0033] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A lifting mechanism of a rotary tiller, characterized in that: The invention comprises a support frame (1) and side support frames (2) arranged on both sides of the support frame (1); a plurality of support wheels (3) and guide wheels (4) are arranged at the bottom of the side support frames (2); a longitudinal adjustment component (5) is arranged between each of the support wheels (3) and the guide wheels (4) and the side support frames (2); the longitudinal adjustment component (5) is used to adjust the height of the support wheels (3) and the guide wheels (4); a transverse adjustment component (6) is arranged between the side support frames (2) and the support frame (1); the transverse adjustment component (6) is used to adjust the distance between the side support frames (2) and the support frame (1).

2. The lifting mechanism of a rotary tiller according to claim 1, characterized in that: The guide wheel (4) is located on a side of the support wheel (3) close to the support frame (1).

3. The lifting mechanism of a rotary tiller according to claim 1, characterized in that: The longitudinal adjustment assembly (5) comprises a first screw rod (501), a longitudinal telescopic rod (503) and a first threaded sleeve (504); a first accommodating cavity (201) is longitudinally opened on the side support frame (2); the bottom end of the first accommodating cavity (201) extends to the bottom of the side support frame (2) to form a first opening; the longitudinal telescopic rod (503) is slidably mounted in the first accommodating cavity (201) and the bottom end passes through the first opening; the support wheel (3) and the guide wheel (4) are mounted at the bottom of the longitudinal telescopic rod (503); the first threaded sleeve (504) is embedded and mounted inside the longitudinal telescopic rod (503); the first screw rod (501) is threadedly connected to the first threaded sleeve (504); the top end of the first threaded sleeve (504) passes through the side support frame (2) and extends to the outside and is fixedly connected to the first handle wheel (502); the first screw rod (501) is rotatably connected to the side support frame (2).

4. The lifting mechanism of a rotary tiller according to claim 3, characterized in that: A slot (5031) is provided at the bottom of the longitudinal telescopic rod (503), and a plug post (7) is fixedly connected to the top of each of the support wheel (3) and the guide wheel (4). The plug post (7) is plugged into the slot (5031) and fixedly connected by a fixing bolt (8).

5. The lifting mechanism of a rotary tiller according to claim 3, characterized in that: The transverse adjustment assembly (6) comprises a transverse telescopic rod (601), a second screw rod (602) and a second threaded sleeve (604); one end of the transverse telescopic rod (601) is fixedly connected to one side of the side support frame (2); both ends of the support frame (1) are provided with second accommodating grooves (101) corresponding to the position of the transverse telescopic rod (601); the other end of the transverse telescopic rod (601) is slidably mounted in the second accommodating groove (101); a through hole is provided inside the transverse telescopic rod (601) along the length direction; the second screw rod (602) is rotatably connected to the through hole; the second threaded sleeve (604) is embedded and mounted in the support frame (1); one end of the second threaded sleeve (604) is in communication with the second accommodating groove (101); one end of the second screw rod (602) extends outside the transverse telescopic rod (601) and is threadedly connected to the second threaded sleeve (604).

6. The lifting mechanism of a rotary tiller according to claim 5, characterized in that: The other end of the second screw rod (602) passes through the side support frame (2) and is fixedly connected to a second handle wheel (603); the second screw rod (602) is rotatably connected to the side support frame (2).

7. The lifting mechanism of a rotary tiller according to claim 5, characterized in that: Two guide rods (605) are symmetrically fixedly connected to one side of the side support frame (2) close to the transverse telescopic rod (601), and third receiving grooves (102) corresponding to the positions of the guide rods (605) are provided at both ends of the support frame (1), one end of the guide rod (605) is slidably mounted in the third receiving groove (102), and the length of the guide rod (605) is greater than the length of the transverse telescopic rod (601).

8. The lifting mechanism of a rotary tiller according to claim 5, characterized in that: The outer sides of the longitudinal telescopic rod (503) and the transverse telescopic rod (601) are both provided with length indicating lines along the length direction.

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