Lifting device of agricultural machine working head

Through the telescopic rod and sleeve structure driven by the drive motor, the problem of high cost and easy damage of the traditional agricultural machinery work head lifting device is solved, and a simple and reliable lift control is achieved, reducing mechanical failures and improving the convenience of use.

CN223219469UActive Publication Date: 2025-08-15NINGBO NONGBANG AGRI MASCH CO LTD
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Patent Information

Application Number
CN202422494277.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-15
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

The working head lifting device of traditional agricultural machinery is costly and prone to damage, and mechanical failures occur frequently in harsh environments.

Method used

The telescopic rod and telescopic sleeve structure driven by the drive motor are adopted. The telescopic rod is driven to slide in the sleeve by the drive motor, which can lift or lower the working head of the agricultural machinery, simplify the structure and improve the control accuracy.

Benefits of technology

It reduces the occurrence of mechanical failures, improves the convenience of use and structural reliability, and can effectively reduce mechanical failures in harsh environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lifting device for a working head of an agricultural machine, which comprises a fixed support, a lifting device, a lifting device and a lifting device, and the fixed support is used for being connected with a frame of the agricultural machine; the lifting support is provided with a first hinge part, the first hinge part is rotatably connected with the fixed support, the lifting support is provided with a connecting part and a mounting part, and the mounting part is used for mounting a working part of the agricultural machine; the driving mechanism comprises a driving motor, a telescopic sleeve and a telescopic rod, the first end of the telescopic rod is slidably inserted into the telescopic sleeve, the driving motor is in transmission connection with the telescopic rod, one end of the telescopic sleeve is rotatably connected with the fixing support, and the other end of the telescopic sleeve is rotatably connected with the fixing support. And the second end of the telescopic rod is rotatably connected with the connecting part of the lifting bracket. According to the utility model, mechanical faults can be reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a lifting device for a working head of an agricultural machinery. Background Art

[0002] Agricultural machinery is generally divided into two parts: working parts and control parts. Working parts, such as plow blades and mowers, all require power. Control parts provide power output and various aspects of control for these working parts. Because agricultural machinery is used for farming, the working head is generally heavy. In actual operation, the working head is not always in operation. When not in operation, it often needs to be raised for ease of movement. Traditional lifting devices are pneumatic, which is not only costly but also prone to damage. Utility Model Content

[0003] The utility model provides a lifting device for a working head of an agricultural machine, which can reduce mechanical failures.

[0004] In order to solve the above technical problems, the utility model provides a lifting device for an agricultural machinery working head, which is characterized by comprising:

[0005] A fixing bracket, the fixing bracket being used to be connected to a frame of the agricultural machinery;

[0006] A lifting bracket, wherein the lifting bracket is provided with a first hinge portion, the first hinge portion is rotatably connected to the fixed bracket, the lifting bracket is provided with a connecting portion, and the lifting bracket is provided with a mounting portion, the mounting portion being used to mount a working component of the agricultural machinery;

[0007] The driving mechanism includes a driving motor, a telescopic sleeve and a telescopic rod. The first end of the telescopic rod can be slidably inserted into the telescopic sleeve. The driving motor is transmission-connected to the telescopic rod. One end of the telescopic sleeve is rotatably connected to the fixed bracket. The second end of the telescopic rod is rotatably connected to the connecting part of the lifting bracket.

[0008] As a preferred embodiment of the above technical solution, the lifting bracket is provided with a connecting rod, the lower end of the connecting rod is provided with the first hinge part, and the upper end of the connecting rod is provided with the connecting part.

[0009] As a preferred embodiment of the above technical solution, the connecting portion is provided with a connecting groove, a first connecting hole is provided on the side wall of the connecting groove, and a second connecting hole is provided at the second end of the telescopic rod, and the position of the first connecting hole corresponds to the position of the second connecting hole.

[0010] As a preferred embodiment of the above technical solution, the fixed bracket is provided with a first hinge groove, a first hinge hole is provided on the side wall of the first hinge groove, the first hinge part is provided with a second hinge hole, and the position of the first hinge hole corresponds to the position of the second hinge hole.

[0011] As a preferred embodiment of the above technical solution, the lifting bracket is provided with a triangular connecting frame, the lower part of the triangular connecting frame is provided with two mounting rods, the bottom of the mounting rod is provided with the mounting part, and the triangular connecting frame is connected to the connecting rod through a connecting cross rod.

[0012] As a preferred embodiment of the above technical solution, the mounting portion is a mounting plate, and a plurality of mounting holes are provided on the mounting plate.

[0013] As a preferred embodiment of the above technical solution, a plurality of reinforcing ribs are provided on the lifting bracket.

[0014] As a preferred embodiment of the above technical solution, the fixed bracket is provided with a second hinge groove, a third hinge hole is provided on the side wall of the second hinge groove, a fourth hinge hole is provided at the end of the telescopic sleeve, and the position of the third hinge hole corresponds to the position of the fourth hinge hole.

[0015] As a preferred embodiment of the above technical solution, the drive motor is a servo drive motor.

[0016] As a preferred embodiment of the above technical solution, there are two lifting brackets and two driving mechanisms.

[0017] The utility model provides a lifting device for the working head of an agricultural machinery, comprising: a fixed bracket, a lifting bracket and a driving mechanism. When in use, the driving motor drives the telescopic rod to slide in the telescopic sleeve to drive the lifting bracket to rotate, thereby driving the working parts of the agricultural machinery to be lifted or lowered. Compared with traditional agricultural machinery that uses pneumatic devices to lift working parts, the utility model drives the lifting bracket to rise and finally drives the working parts to rise through the driving motor. The structure is simpler and more reliable, and it is convenient to accurately control the lifting stroke. Especially when the working environment of the agricultural machinery is relatively poor, it can reduce mechanical failures and improve ease of use.

[0018] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a lifting device for an agricultural machine working head in an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of a fixing bracket of a lifting device for an agricultural machine working head in an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of a lifting bracket of a lifting device for a working head of an agricultural machine in an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of a driving mechanism of a lifting device for an agricultural machine working head in an embodiment of the present utility model;

[0023] In the figure: 1. Fixed bracket; 2. Lifting bracket; 3. Driving mechanism; 101. First hinge slot; 102. First hinge hole; 103. Second hinge slot; 104. Third hinge hole; 201. First hinge part; 202. Connecting part; 203. Mounting part; 204. Connecting rod; 205. Connecting slot; 206. First connecting hole; 208. Second hinge hole; 209. Triangular connecting frame; 210. Mounting rod; 211. Connecting cross bar; 212. Mounting hole; 213. Reinforcing rib plate; 301. Driving motor; 302. Telescopic sleeve; 303. Telescopic rod; 304. Second connecting hole; 305. Fourth hinge hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0025] See also Figures 1 to 4 The embodiment of the present utility model provides a lifting device for a working head of an agricultural machine, which is characterized by comprising:

[0026] A fixing bracket 1, wherein the fixing bracket 1 is used to be connected to a frame of an agricultural machine;

[0027] A lifting bracket 2, wherein the lifting bracket 2 is provided with a first hinge portion 201, the first hinge portion 201 is rotatably connected to the fixed bracket 1, the lifting bracket 2 is provided with a connecting portion 202, and the lifting bracket 2 is provided with a mounting portion 203, the mounting portion 203 is used to mount working parts of the agricultural machinery;

[0028] The driving mechanism 3 includes a driving motor 301, a telescopic sleeve 302 and a telescopic rod 303. The first end of the telescopic rod 303 can be slidably inserted into the telescopic sleeve 302. The driving motor 301 is transmission-connected to the telescopic rod 303. One end of the telescopic sleeve 302 is rotatably connected to the fixed bracket 1. The second end of the telescopic rod 303 is rotatably connected to the connecting portion 202 of the lifting bracket 2.

[0029] An embodiment of the present utility model provides a lifting device for the working head of an agricultural machinery, comprising: a fixed bracket 1, a lifting bracket 2 and a driving mechanism 3. When in use, the driving motor 301 drives the telescopic rod 303 to slide in the telescopic sleeve 302 to drive the lifting bracket 2 to rise or fall, thereby driving the working parts of the agricultural machinery to rise or fall. Compared with traditional agricultural machinery that uses pneumatic devices to lift working parts, the present utility model drives the lifting bracket 2 to rise and finally drives the working parts to rise through the driving motor 301. The structure is simpler and more reliable, and it is convenient to accurately control the lifting stroke. Especially when the working environment of the agricultural machinery is relatively poor, it can reduce mechanical failures and improve ease of use.

[0030] In a further embodiment of the present invention, the lifting bracket 2 is provided with a connecting rod 204 , the lower end of the connecting rod 204 is provided with the first hinge portion 201 , and the upper end of the connecting rod 204 is provided with the connecting portion 202 .

[0031] In this embodiment, when the driving motor 301 drives the telescopic rod 303 to slide in the telescopic sleeve 302, the telescopic rod 303 will drive the lifting bracket 2 to rotate around the first hinge part 201, thereby causing the mounting part 203 to rise or fall. The connecting part 202 is located above the first hinge part 201. When the telescopic rod 303 contracts, it drives the mounting part 203 of the lifting bracket 2 to rise. When the telescopic rod 303 extends, it drives the mounting part 203 of the lifting bracket 2 to fall. The structure is simple, the operation is convenient, and mechanical failures can be reduced.

[0032] In a further embodiment of this embodiment, the connecting portion 202 is provided with a connecting groove 205, a first connecting hole 206 is provided on the side wall of the connecting groove 205, and a second connecting hole 304 is provided at the second end of the telescopic rod 303, and the position of the first connecting hole 206 corresponds to the position of the second connecting hole 304.

[0033] In this embodiment, the first connecting hole 206 and the second connecting hole 304 are coaxially arranged, and a rotating part such as a rotating shaft or a pin can be inserted into the first connecting hole 206 and the second connecting hole 304, so that the lifting bracket 2 and the telescopic rod 303 can be rotatably connected. The structure is simple and reliable, and can effectively reduce mechanical failures when the agricultural machinery is used in a relatively harsh environment.

[0034] In a further feasible embodiment of this embodiment, the fixing bracket 1 is provided with a first hinge groove 101, a first hinge hole 102 is provided on the side wall of the first hinge groove 101, the first hinge portion 201 is provided with a second hinge hole 208, and the position of the first hinge hole 102 corresponds to the position of the second hinge hole 208.

[0035] In this embodiment, the first hinge hole 102 and the second hinge hole 208 are coaxially arranged, and a rotating part such as a rotating shaft or a pin shaft can be inserted into the first hinge hole 102 and the second hinge hole 208, so that the fixed bracket 1 and the lifting bracket 2 can be rotatably connected. The structure is simple and reliable, and can effectively reduce mechanical failures when the agricultural machinery is used in a relatively harsh environment.

[0036] In a further feasible embodiment of this embodiment, the lifting bracket 2 is provided with a triangular connecting frame 209, two mounting rods 210 are provided at the lower part of the triangular connecting frame 209, the mounting portion 203 is provided at the bottom of the mounting rod 210, and the triangular connecting frame 209 is connected to the connecting rod 204 through a connecting cross bar 211.

[0037] In this embodiment, the lifting bracket 2 is provided with a triangular connecting frame 209, and two mounting rods 210 are provided at the lower part of the triangular connecting frame 209. The triangular connecting frame 209 is connected to the upper and lower ends of the connecting rod 204 through the two connecting cross bars 211. Compared with connecting frames of other shapes, the structure of the triangular connecting frame 209 is more stable, which can effectively improve the structural strength of the lifting bracket 2, thereby reducing mechanical failures.

[0038] In a further embodiment of the present invention, the mounting portion 203 is a mounting plate, and a plurality of mounting holes 212 are provided on the mounting plate.

[0039] In this embodiment, a plurality of mounting holes 212 are provided on the mounting plate, and the lifting bracket 2 is connected to the working parts of the agricultural machinery through the mounting holes 212. When in use, the lifting bracket 2 is detachably connected to the working parts of the agricultural machinery by passing fasteners such as bolts through the mounting holes 212. The structure is simple, the disassembly and assembly are convenient, and the convenience of installation is improved.

[0040] In a further embodiment of the present invention, a plurality of reinforcing ribs 213 are provided on the lifting bracket 2 .

[0041] In this embodiment, a plurality of reinforcing ribs 213 are provided on the lifting bracket 2 , which can effectively improve the structural strength of the lifting bracket 2 , thereby reducing mechanical failures.

[0042] In a further feasible embodiment of this embodiment, the fixing bracket 1 is provided with a second hinge groove 103, a third hinge hole 104 is provided on the side wall of the second hinge groove 103, a fourth hinge hole 305 is provided at the end of the telescopic sleeve 302, and the position of the third hinge hole 104 corresponds to the position of the fourth hinge hole 305.

[0043] In this embodiment, the third hinge hole 104 and the fourth hinge hole 305 are coaxially arranged, and a rotating part such as a rotating shaft or a pin shaft can be inserted into the third hinge hole 104 and the fourth hinge hole 305, so that the fixed bracket 1 and the telescopic sleeve 302 can be rotatably connected. The structure is simple and reliable, and can effectively reduce mechanical failures when the agricultural machinery is used in a relatively harsh environment.

[0044] In a further embodiment of the present invention, the drive motor 301 is a servo drive motor 301 .

[0045] In this embodiment, the driving motor 301 is a servo driving motor 301, so that the moving stroke of the lifting bracket 2 can be accurately controlled to avoid interference between the lifting bracket 2 and other structures of the agricultural machinery, thereby reducing mechanical failures.

[0046] In a further implementable embodiment of this embodiment, the number of the lifting brackets 2 and the number of the driving mechanisms 3 are both two.

[0047] In this embodiment, the number of the lifting brackets 2 and the driving mechanisms 3 are both two, and the two lifting brackets 2 are symmetrically distributed on the fixed bracket 1. By setting up two lifting brackets 2, the process of lifting the working parts of the agricultural machinery can be made smoother, thereby reducing mechanical failures. The two driving mechanisms 3 respectively drive the two lifting brackets 2 to move, reducing the load borne by a single driving mechanism 3, thereby effectively reducing mechanical failures.

[0048] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and integrate different embodiments or examples described in this specification, as well as features of different embodiments or examples, unless they are mutually inconsistent.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0050] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A lifting device for an agricultural machinery working head, characterized in that: include: A fixing bracket, the fixing bracket being used to be connected to a frame of the agricultural machinery; A lifting bracket, wherein the lifting bracket is provided with a first hinge portion, the first hinge portion is rotatably connected to the fixed bracket, the lifting bracket is provided with a connecting portion, and the lifting bracket is provided with a mounting portion, the mounting portion being used to mount a working component of the agricultural machinery; The driving mechanism includes a driving motor, a telescopic sleeve and a telescopic rod. The first end of the telescopic rod can be slidably inserted into the telescopic sleeve. The driving motor is transmission-connected to the telescopic rod. One end of the telescopic sleeve is rotatably connected to the fixed bracket. The second end of the telescopic rod is rotatably connected to the connecting part of the lifting bracket.

2. The lifting device for the agricultural machinery working head according to claim 1, characterized in that: The lifting bracket is provided with a connecting rod, the lower end of the connecting rod is provided with the first hinge part, and the upper end of the connecting rod is provided with the connecting part.

3. The lifting device for the agricultural machinery working head according to claim 2, characterized in that: The connecting portion is provided with a connecting groove, a side wall of the connecting groove is provided with a first connecting hole, the second end of the telescopic rod is provided with a second connecting hole, and the position of the first connecting hole corresponds to the position of the second connecting hole.

4. The lifting device for the agricultural machine working head according to claim 2, characterized in that: The fixing bracket is provided with a first hinge groove, a first hinge hole is provided on the side wall of the first hinge groove, the first hinge portion is provided with a second hinge hole, and the position of the first hinge hole corresponds to the position of the second hinge hole.

5. The lifting device for the agricultural machine working head according to claim 2, characterized in that: The lifting bracket is provided with a triangular connecting frame, the lower part of the triangular connecting frame is provided with two mounting rods, the bottom of the mounting rod is provided with the mounting portion, and the triangular connecting frame is connected to the connecting rod through a connecting cross rod.

6. The lifting device for the agricultural machine working head according to claim 5, characterized in that: The mounting portion is a mounting plate, and a plurality of mounting holes are provided on the mounting plate.

7. The lifting device for the working head of an agricultural machine according to claim 1, characterized in that: A plurality of reinforcing ribs are provided on the lifting bracket.

8. The lifting device for the working head of an agricultural machine according to claim 1, characterized in that: The fixing bracket is provided with a second hinge groove, a third hinge hole is provided on the side wall of the second hinge groove, and a fourth hinge hole is provided at the end of the telescopic sleeve. The position of the third hinge hole corresponds to the position of the fourth hinge hole.

9. The lifting device for the working head of an agricultural machine according to claim 1, characterized in that: The drive motor is a servo drive motor.

10. The lifting device for the working head of an agricultural machine according to claim 1, characterized in that: There are two lifting brackets and two driving mechanisms.