Connecting structure for tilling blade of mini-tiller

Abstract

The utility model relates to the technical field of mini-tillers, in particular to a mini-tiller tilling cutter connecting structure which comprises a cutter shaft, eight blades and four mounting mechanisms, the four mounting mechanisms are evenly distributed on the cutter shaft, each mounting mechanism comprises a fixing frame, two mounting grooves and four fixing assemblies, each fixing frame is provided with four limiting holes, each blade is provided with two through holes, and each fixing assembly is provided with two through holes. The eight blades are arranged on the cutter shaft, the four installation mechanisms are evenly distributed on the cutter shaft, the fixing frame is fixedly connected with the cutter shaft, the two installation grooves are formed in the two ends of the fixing frame, the four limiting holes penetrate through the two installation grooves respectively, one ends of the two blades are located in the two installation grooves respectively, and the fixing assembly is arranged on the fixing frame and the blades. And one end of the blade is located in the mounting groove, the blade is fixed to the fixing frame through the two fixing assemblies, two fixing points are formed, it is ensured that the blade cannot be dislocated, and the stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of micro-tillage machines, in particular to a tillage blade connection structure of a micro-tillage machine. Background Art

[0002] The micro-tillage machine is powered by a small diesel engine or gasoline engine, and has the characteristics of light weight, small size, simple structure, etc. The micro-tillage machine is widely used in dry land, paddy fields, orchards, etc. in plains, mountains, and hills. At present, the micro-tillage machine cutters are mostly fixed by screws during installation, and the installation angle is fixed. It cannot be adjusted according to actual factors such as rotary tillage soil quality, and the flexibility of use is poor.

[0003] In the prior art CN210075959U, the rotary tillage blade, the pressure screw, the pressure plate, the connecting shaft, the upper clamping screw, the lower clamping screw, the upper clamping plate and the lower clamping plate. If the angle of the rotary tillage blade needs to be adjusted, it is necessary to first fix the angle of the rotary tillage blade during installation, and then rotate the pressure screw downward until the two ends of the pressure plate clamp the connecting shaft, and then rotate the upper clamping screw and the lower clamping screw in turn until the upper clamping plate and the lower clamping plate clamp the rotary tillage blade. The installation of the tool can be completed, and it can be adjusted according to actual factors such as the rotary tillage soil quality, and it has strong flexibility in use.

[0004] The rotary tillage blade is fixed by a pressing screw, and the rotary tillage blade has only one fixed point. When the micro-tiller works in a place with hard soil, the rotary tillage blade is prone to dislocation, resulting in low stability. Utility Model Content

[0005] The utility model aims to provide a tiller blade connection structure for a micro-tiller, which solves the problem that the rotary tiller blade is fixed by a pressing screw rod. The rotary tiller blade has only one fixing point. When the micro-tiller works in a place with hard soil, the rotary tiller blade is easily misplaced, resulting in low stability.

[0006] To achieve the above-mentioned purpose, the utility model provides a micro-tiller blade connection structure, including a blade shaft, eight blades and four mounting mechanisms, the four mounting mechanisms are evenly distributed on the blade shaft, the mounting mechanism includes a fixing frame, two mounting slots and four fixing components, the fixing frame has four limiting holes, the blade has two through holes, the eight blades are arranged on the blade shaft, the four mounting mechanisms are evenly distributed on the blade shaft, the fixing frame is fixedly connected to the blade shaft, the two mounting slots are arranged at both ends of the fixing frame, and the four limiting holes respectively penetrate the two mounting slots, one end of the two blades is slidably connected to the fixing frame and are respectively located in the two mounting slots, and the fixing components are arranged on the fixing frame and the blades, and are located in the limiting holes and the through holes.

[0007] Among them, the fixing assembly includes a top block, a limiting column, a threaded rod and a nut, the top block is fixedly connected to one end of the limiting column, the limiting column is slidably connected to the blade and the fixing frame, and is located in the limiting hole and the through hole, the threaded rod is fixedly connected to the other end of the limiting column, and the nut is threadedly connected to the threaded rod.

[0008] Among them, the micro-tiller blade connection structure also includes a suspension assembly, and the suspension assembly includes a fixed plate and a bearing. The inner wall of the bearing is rotatably connected to the blade shaft, and the fixed plate is rotatably connected to the outer wall of the bearing.

[0009] Wherein, the micro-tillage machine tilling blade connection structure also includes two first mounting columns, and the two first mounting columns are fixedly connected to the two ends of the blade shaft.

[0010] Wherein, the micro-tillage machine tilling blade connection structure also includes two extension mechanisms, and the two extension mechanisms are respectively arranged on the two first mounting columns.

[0011] Wherein, the extension mechanism includes an extension rod and a second mounting column, the extension rod has a slot, one end of the extension rod is slidably connected to the first mounting column, and the first mounting column is located in the slot, and the second mounting column is fixedly connected to the other end of the extension rod.

[0012] The utility model discloses a tiller blade connection structure for a micro-tillage machine, wherein eight blades are arranged on the blade shaft, four mounting mechanisms are evenly distributed on the blade shaft, the fixing frame is fixedly connected to the blade shaft, two mounting grooves are arranged at two ends of the fixing frame, and four limiting holes respectively penetrate the two mounting grooves, one end of the two blades is slidably connected to the fixing frame and are respectively located in the two mounting grooves, the fixing assembly is arranged on the fixing frame and the blades, and is located in the limiting holes and the through holes, when installing the blades, one end of the blades is inserted into the mounting groove, the two through holes on the blades are respectively aligned with the two limiting holes on the fixing frame, and then the blades are mounted on the fixing frame through the two fixing assemblies, and then the other blades are respectively mounted in the other mounting grooves according to the above steps, the blades mounted on the fixing frame have two fixing points, have better anti-deformation ability, avoid the blades from being dislocated when the micro-tillage machine works in a place with harder soil, and increase the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1It is a schematic diagram of the overall structure of the first embodiment of the micro-tillage machine tilling blade connection structure of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the blade of the first embodiment of the micro-tillage machine tillage blade connection structure of the utility model.

[0016] Figure 3 It is a structural schematic diagram of a fixing frame of a first embodiment of a tiller blade connection structure of a micro-tillage machine of the utility model.

[0017] Figure 4 It is a structural schematic diagram of a fixing assembly of a first embodiment of a micro-tillage machine tilling blade connection structure of the utility model.

[0018] Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the micro-tillage machine tillage blade connection structure of the utility model.

[0019] Figure 6 yes Figure 5 Enlarged view of point A in the middle.

[0020] 101-blade, 102-through hole, 103-fixed frame, 104-mounting slot, 105-limiting hole, 106-top block, 107-limiting column, 108-threaded rod, 109-nut, 110-knife shaft, 111-bearing, 112-first mounting column, 113-fixed plate, 201-extension rod, 202-second mounting column, 203-slot. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0022] The first embodiment of the present application is:

[0023] See also Figure 1-Figure 4 , Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the micro-tillage machine tillage blade connection structure of the utility model. Figure 2 This is a schematic diagram of the structure of the blade of the first embodiment of the micro-tillage machine tillage blade connection structure of the utility model. Figure 3 This is a structural schematic diagram of a fixing frame of the first embodiment of the micro-tillage machine tillage blade connection structure of the utility model. Figure 4 It is a structural schematic diagram of a fixing assembly of a first embodiment of a micro-tillage machine tilling blade connection structure of the utility model.

[0024] The utility model provides a tilling blade connection structure of a micro-tillage machine, comprising a knife shaft 110, eight blades 101, two first mounting columns 112, a suspension component and four mounting mechanisms, wherein the four mounting mechanisms are evenly distributed on the knife shaft 110, the mounting mechanism comprises a fixing frame 103, two mounting grooves 104 and four fixing components, the fixing frame 103 has four limiting holes 105, the blade 101 has two through holes 102, the fixing component comprises a top block 106, a limiting column 107, a threaded rod 108 and a nut 109, the suspension component comprises a fixing plate 113 and a bearing 111, the rotary tillage blade pressing screw is fixed by the above-mentioned scheme, the rotary tillage blade 101 has only one fixing point, when the micro-tillage machine works in a place with hard soil, the rotary tillage blade 101 is prone to dislocation, resulting in a problem of low stability, it can be understood that the problem of too many components installed on the knife shaft 110 and excessive load on the knife shaft 110 can also be solved.

[0025] In this specific embodiment, eight blades 101 are arranged on the knife shaft 110, four mounting mechanisms are evenly distributed on the knife shaft 110, the fixing frame 103 is fixedly connected to the knife shaft 110, two mounting grooves 104 are arranged at both ends of the fixing frame 103, and four limiting holes 105 respectively penetrate the two mounting grooves 104, one end of the two blades 101 is slidably connected to the fixing frame 103, and are respectively located in the two mounting grooves 104, the fixing assembly is arranged on the fixing frame 103 and the blades 101, and is located in the limiting hole 105 and the through hole 102, and the fixing assembly 103 is installed on the fixing frame 103 and the blades 101. When installing the blade 101, one end of the blade 101 is inserted into the installation groove 104, the two through holes 102 on the blade 101 are respectively aligned with the two limiting holes 105 on the fixing frame 103, and then the blade 101 is installed on the fixing frame 103 through the two fixing components, and then the other blades 101 are respectively installed in the other installation grooves 104 according to the above steps. The blade 101 installed on the fixing frame 103 has two fixing points and has better anti-deformation ability, which can prevent the blade 101 from being misplaced when the micro-tillage machine works in a place with harder soil, thereby increasing the stability of the device.

[0026] The top block 106 is fixedly connected to one end of the limiting column 107, the limiting column 107 is slidably connected to the blade 101 and the fixing frame 103, and is located in the limiting hole 105 and the through hole 102, the threaded rod 108 is fixedly connected to the other end of the limiting column 107, and the nut 109 is threadedly connected to the threaded rod 108. When installing the blade 101, one end of the blade 101 is inserted into the installation groove 104, and the two through holes 102 on the blade 101 are respectively aligned with the fixing frame 103. The two limiting holes 105 on the frame 104 are inserted into the two limiting holes 105 and the two through holes 102 respectively, and the nut 109 is rotated until the top block 106 and the nut 109 are tightly attached to the fixing frame 103, and the blade 101 is fixed in the mounting groove 104. The blade 101 installed on the fixing frame 103 has two fixing points and has better anti-deformation ability, which avoids the blade 101 from being misplaced when the micro-tillage machine works in a place with harder soil, thereby increasing the stability of the device.

[0027] Secondly, the two first mounting columns 112 are fixedly connected to the two ends of the knife shaft 110. When installing the knife shaft 110, the two first mounting columns 112 at both ends of the knife shaft 110 are installed on the output end of the micro-tillage machine. The first mounting columns 112 are cross-shaped, which can make the connection between the knife shaft 110 and the micro-tillage machine more stable, ensuring that the knife shaft 110 does not slip during rotation. The inner wall of the bearing 111 is rotatably connected to the knife shaft 110, and the fixed plate 113 is rotatably connected to the outer wall of the bearing 111. The end of the fixed plate 113 away from the bearing 111 is fixed to the micro-tillage machine. Since more components are installed on the knife shaft 110, the knife shaft 110 bears more weight. The fixed plate 113 and the bearing 111 provide a support point for the knife shaft 110, which reduces the load on the knife shaft 110, thereby ensuring the stability of the knife shaft 110.

[0028] When the blade 101 is installed using the utility model, one end of the blade 101 is inserted into the installation groove 104, the two through holes 102 on the blade 101 are respectively aligned with the two limiting holes 105 on the fixing frame 103, the two limiting columns 107 are respectively inserted into the two limiting holes 105 and the two through holes 102, and then the nut 109 is rotated until the top block 106 and the nut 109 are tightly attached to the fixing frame 103, the blade 101 is fixed in the installation groove 104, and the blade 101 installed on the fixing frame 103 has two fixing points, has better anti-deformation ability, avoids the blade 101 from being misplaced when the micro-tillage machine works in a place with harder soil, and increases the stability of the device.

[0029] The second embodiment of the present application is:

[0030] See also Figure 5-Figure 6 , Figure 5 This is a schematic diagram of the overall structure of the second embodiment of the micro-tillage machine tillage blade connection structure of the utility model. Figure 6 yes Figure 5 The enlarged view of the position A in the middle. Based on the first embodiment, the micro-tillage machine tillage blade connection structure of this embodiment further includes two extension mechanisms, which are respectively arranged on the two first mounting columns 112 , and the extension mechanisms include an extension rod 201 and a second mounting column 202 , and the extension rod 201 has a slot 203 .

[0031] One end of the extension rod 201 is slidably connected to the first mounting column 112, and the first mounting column 112 is located in the slot 203, and the second mounting column 202 is fixedly connected to the other end of the extension rod 201. When the micro-tillage machine needs to install more blades 101, the end of the extension rod 201 with the slot 203 is inserted into the first mounting column 112. The first mounting column 112 is cross-shaped, and the knife shaft 110 and the extension rod 201 will not slide. The second mounting column 202 can be connected to the output end of the micro-tillage machine. The length of the knife shaft 110 can be changed as needed, thereby changing the number of installed blades 101, thereby increasing the practicality of the device.

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A tiller blade connection structure, comprising a blade shaft and eight blades, wherein the eight blades are arranged on the blade shaft, characterized in that: It also includes four mounting mechanisms, which are evenly distributed on the knife shaft. The mounting mechanism includes a fixing frame, two mounting slots and four fixing components. The fixing frame has four limiting holes, and the blade has two through holes. The fixing frame is fixedly connected to the knife shaft. The two mounting slots are arranged at both ends of the fixing frame, and the four limiting holes respectively penetrate the two mounting slots. One end of the two blades is slidably connected to the fixing frame and are respectively located in the two mounting slots. The fixing components are arranged on the fixing frame and the blade, and are located in the limiting holes and the through holes.

2. The micro-tillage machine tillage blade connection structure according to claim 1, characterized in that: The fixing assembly includes a top block, a limiting column, a threaded rod and a nut. The top block is fixedly connected to one end of the limiting column. The limiting column is slidably connected to the blade and the fixing frame and is located in the limiting hole and the through hole. The threaded rod is fixedly connected to the other end of the limiting column, and the nut is threadedly connected to the threaded rod.

3. The micro-tillage machine tillage blade connection structure according to claim 1, characterized in that: The micro-tillage machine tillage blade connection structure also includes a suspension assembly, which includes a fixed plate and a bearing. The inner side wall of the bearing is rotatably connected to the blade shaft, and the fixed plate is rotatably connected to the outer side wall of the bearing.

4. The micro-tillage machine tillage blade connection structure according to claim 1, characterized in that: The micro-tillage machine tilling blade connection structure also includes two first mounting columns, and the two first mounting columns are fixedly connected to the two ends of the blade shaft.

5. The micro-tillage machine tillage blade connection structure as claimed in claim 4, characterized in that: The micro-tillage machine tilling blade connection structure also includes two extension mechanisms, and the two extension mechanisms are respectively arranged on the two first mounting columns.

6. The micro-tillage machine tillage blade connection structure according to claim 5, characterized in that: The extension mechanism includes an extension rod and a second mounting column, the extension rod has a slot, one end of the extension rod is slidably connected to the first mounting column, and the first mounting column is located in the slot, and the second mounting column is fixedly connected to the other end of the extension rod.

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