Novel multifunctional traction device for agricultural machinery

Abstract

The utility model belongs to the technical field of traction devices, and particularly relates to a novel multifunctional traction device for agricultural machinery, which comprises a fixing block and further comprises a first sliding groove, a second sliding groove and a third sliding groove, fixing rods are fixedly installed on the fixing block and located on the sides, close to each other, of the two sliding rods, a gear is rotationally installed in the first sliding groove, racks are installed on the two sides of the gear in a meshed mode, and the two racks are fixedly connected with the two sliding rods correspondingly; the two fixing assemblies are located on the two sliding rods correspondingly and used for fixing the positions of the two sliding rods correspondingly; the limiting groove is formed in the fixing block, a limiting ring is installed in the limiting groove in an inserted mode, and two limiting columns are installed in the limiting groove in a sliding mode; the agricultural machinery and the agricultural implement can be conveniently connected, the whole device cannot be loosened during use, operation is convenient and fast, and tools are not needed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to traction device technical field especially relates to a new agricultural machinery multifunctional traction device. BACKGROUND

[0002] The new agricultural machinery multifunctional traction device is the key component of adapting to power machinery such as tractor, can connect quickly seeding machine, harvester, plough and other various farm implements, is adapted to different operation scenes through adjustable structure, improves agricultural machinery cooperation efficiency, and helps the intelligentization, intensive operation of scale agricultural production.

[0003] The existing traction device has some shortcomings when using, for example: the traction device needs to be fixed on agricultural machinery by bolts with the help of tools when installing, but the bolts are easy to rotate due to vibration, which leads to loose connection, not only affects the connection stability, but also has safety hazards. In view of this, a new agricultural machinery multifunctional traction device is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a new agricultural machinery multifunctional traction device to solve the problems in the above background technology.

[0005] Therefore, the utility model provides a new agricultural machinery multifunctional traction device, which comprises a fixed block and further comprises:

[0006] A first sliding groove is formed in the fixed block, two sliding rods are slidingly installed in the first sliding groove, a fixed rod is fixedly installed on the fixed block and located on one side of the two sliding rods close to each other, a gear is rotatably installed in the first sliding groove, two racks are meshingly installed on the two sides of the gear, and the two racks are fixedly connected with the two sliding rods respectively;

[0007] Two groups of fixed assemblies are respectively located on the two sliding rods and are respectively used for fixing the positions of the two sliding rods;

[0008] A limiting groove is formed in the fixed block, a limiting ring is insertedly installed in the limiting groove, two limiting columns are slidingly installed in the limiting groove, one end of the two limiting columns away from each other extends into the limiting ring, and the one end of the two limiting columns away from each other is insertedly matched with the limiting ring;

[0009] A driving assembly is located in the fixed block and is used for driving the two limiting columns to slide.

[0010] When the agricultural machine needs to be connected with the farm tool, the upper sliding rod is pulled to slide upward, the upper sliding rod drives the upper rack to slide upward, the upper rack drives the gear meshed with the upper rack to rotate forward, the gear drives the lower rack meshed with the gear to slide downward, and the lower rack drives the lower sliding rod to slide downward.

[0011] The driving assembly can drive the two limiting columns to slide and move close to each other, when the two limiting columns are separated from the limiting ring, the limiting ring can be taken out, then the connecting part of the farm tool is placed between the fixed block and the limiting ring, and then the limiting ring is inserted into the limiting groove, the driving assembly can drive the two limiting columns to slide and move away from each other, and the two limiting columns are inserted into the limiting ring, so that the position of the limiting ring is fixed, the overall device will not be loose during use, and tools are not needed during operation.

[0012] In the above technical scheme, further, the fixing assembly comprises:

[0013] The rotating block is rotatably installed on the fixed rod, the upper end of the rotating block extends into the sliding rod, the upper end of the rotating block is in plug-in cooperation with the sliding rod, the second sliding groove is formed in the sliding rod and located on one side of the limiting strip, the limiting strip is slidably installed in the second sliding groove, a plurality of guide rods are fixedly installed on one side of the limiting strip, springs are sleeved on the guide rods, one end of the limiting strip extends into the rotating block, and the limiting strip is in plug-in cooperation with the rotating block.

[0014] In the technical scheme, when the agricultural machine needs to be connected with the farm tool, first, the limiting strip is pulled to slide away from the rotating block, the limiting strip drives the corresponding guide rods to slide, and the corresponding springs are pressed to contract, when one side of the limiting strip is separated from the corresponding rotating block, the rotating block is rotated, another rotating block is rotated through the above operation, then the upper sliding rod is pulled to slide upward, the upper sliding rod drives the upper rack to slide upward, the upper rack drives the gear meshed with the upper rack to rotate forward, the gear drives the lower rack meshed with the gear to slide downward, the lower rack drives the lower sliding rod to slide downward, then the connecting part of the agricultural machine is placed on one side of the two fixing rods away from each other, the upper sliding rod is pulled downward, the lower sliding rod can be driven to slide upward through the above operation, then the rotating block is rotated, finally the limiting strip is released, under the rebound force of the springs, one side of the limiting strip is inserted into the rotating block, the two sliding rods are fixed and stable, the overall device will not be loose during use, and the operation is convenient and fast without the need of tools.

[0015] In the above technical scheme, further, the driving assembly comprises:

[0016] The sliding plate is arranged in the limiting groove, two guide grooves are arranged on the sliding plate, guide columns are slidably arranged in the two guide grooves, the two guide columns are fixedly connected with the two limiting columns respectively, a plurality of fixing columns are fixedly arranged in the limiting groove, one end of each of the fixing columns extends into the sliding plate, and each of the fixing columns is slidably connected with the sliding plate, and a pull spring is arranged on each of the fixing columns.

[0017] In the technical scheme, the sliding plate is pulled to slide outward, the sliding plate drives the plurality of pull springs to elongate, the sliding plate drives the two guide columns to move close to each other through the two guide grooves respectively, the two guide columns drive the two limiting columns to slide and move close to each other respectively, when the two limiting columns are separated from the limiting ring, the limiting ring can be taken out, then the connecting part of the farm tool is placed between the fixing block and the limiting ring, the limiting ring is inserted into the limiting groove, then the sliding plate is released, under the pulling force of the plurality of pull springs, the sliding plate slides towards the pull springs, the sliding plate drives the two guide columns to move away from each other through the two guide grooves respectively, the two guide columns drive the two limiting columns to slide and move away from each other respectively, and the two limiting columns are inserted into the limiting ring, the position of the limiting ring can be fixed, the overall device will not be loose during use, and the operation is convenient and fast without the need of tools.

[0018] In the above technical scheme, further, two ends of each of the plurality of pull springs are welded with the inner wall of the limiting groove and the sliding plate respectively, and two ends of each of the plurality of springs are welded with the inner wall of the two second sliding grooves and the two limiting strips respectively.

[0019] In the technical solution, the stability of the plurality of tension springs during use is ensured.

[0020] In the technical solution, the plurality of guide rods can slide in the second sliding groove, and the two racks can slide in the first sliding groove.

[0021] In the technical solution, the plurality of guide rods can slide in the second sliding groove, and the two racks can slide in the first sliding groove.

[0022] In the technical solution, the plurality of guide rods can slide in the second sliding groove, and the two racks can slide in the first sliding groove.

[0023] In the technical solution, the stability of the plurality of guide rods during use is ensured.

[0024] In the technical solution, the plurality of guide rods can slide in the second sliding groove, and the two racks can slide in the first sliding groove.

[0025] In the technical solution, the stability of the plurality of guide rods during use is ensured.

[0026] The utility model discloses the beneficial effect is:

[0027] 1. The novel multifunctional traction device for agricultural machinery, when the agricultural machinery and the farm tool need to be connected, pull the upper sliding rod upward, the upper sliding rod drives the upper rack to slide upward, the upper rack drives the gear meshed therewith to rotate forward, the gear drives the lower rack meshed therewith to slide downward, and the lower rack drives the lower sliding rod to slide downward. At this time, the connection of the agricultural machinery is placed on one side of the two fixed rods away from each other, and then the upper sliding rod is pulled downward. Through the above operation, the lower sliding rod can be driven to slide upward. The fixed assembly is arranged to fix the two sliding rods, which facilitates the connection of the agricultural machinery and the farm tool. The overall device will not loosen during use, and the operation is convenient and fast without the need of tools.

[0028] 2. The novel multifunctional traction device for agricultural machinery, the driving assembly is arranged to drive the two limiting columns to slide and approach each other. When the two limiting columns are separated from the limiting ring, the limiting ring can be taken out, and then the connection of the farm tool is placed between the fixed block and the limiting ring, and then the limiting ring is inserted into the limiting groove. The driving assembly is arranged to drive the two limiting columns to slide and move away from each other, and the two limiting columns are inserted into the limiting ring to fix the position of the limiting ring, which facilitates the connection of the agricultural machinery and the farm tool. The overall device will not loosen during use, and the operation is convenient and fast without the need of tools. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is the overall structure schematic view of the utility model;

[0030] Figure 2 is the fixed block section structure schematic view one of the utility model;

[0031] Figure 3 is the gear area structure schematic view of the utility model;

[0032] Figure 4 is the sliding rod section structure schematic view of the utility model;

[0033] Figure 5 is the partial explosion structure schematic view one of the utility model;

[0034] Figure 6 is the fixed block section structure schematic view two of the utility model;

[0035] Figure 7 is the partial explosion structure schematic view two of the utility model.

[0036] The mark in the drawing is shown as:

[0037] 1, fixed block;2, first sliding groove;3, fixed rod;4, sliding rod;5, gear;6, rack;7, limit slot;8, limit ring;9, limit column;10, rotating block;11, second sliding groove;12, limit strip;13, guide rod;14, spring;15, sliding plate;16, guide slot;17, guide column;18, fixed column;19, tension spring. Specific implementation

[0038] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0039] In the description of the present application, it should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For the purpose of description, the sizes of the various parts shown in the drawings are not drawn in proportion to the actual proportions. The techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary, and not as limiting. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0040] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not intended to describe a particular order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a class, and do not limit the number of objects, for example, the first object can be one or more. In addition, the specification and claims "and / or" means at least one of the connected objects, and the character " / ", generally indicates that the associated objects before and after are in a "or" relationship.

[0041] It should be noted that in the description of the present application, the orientation or position relationship indicated by the terms such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" is generally based on the orientation or position relationship shown in the drawings, only for the purpose of describing the present application and simplifying the description, without the opposite indication, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.

[0042] It should be noted that in this application, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that processes, methods, articles, or apparatuses that comprise a list of elements not only include those elements, but also include other elements not expressly listed or inherent to such processes, methods, articles, or apparatuses. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be pointed out that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0043] Embodiment 1:

[0044] Please refer to Figure 1 - Figure 7 As shown in the figure, the embodiment provides a new type of multifunctional traction device for agricultural machinery, which comprises a fixed block 1, characterized in that it further comprises:

[0045] A first sliding groove 2 is formed in the fixed block 1, two sliding rods 4 are slidingly installed in the first sliding groove 2, a fixed rod 3 is fixedly installed on the fixed block 1 and located on one side of the two sliding rods 4, a gear 5 is rotatably installed in the first sliding groove 2, two racks 6 are meshingly installed on both sides of the gear 5, and the two racks 6 are fixedly connected with the two sliding rods 4, respectively;

[0046] Two groups of fixing assemblies are respectively located on the two sliding rods 4 and are respectively used for fixing the positions of the two sliding rods 4;

[0047] A limiting groove 7 is formed in the fixed block 1, a limiting ring 8 is insertedly installed in the limiting groove 7, two limiting columns 9 are slidingly installed in the limiting groove 7, one ends of the two limiting columns 9 away from each other extend into the limiting ring 8, and the one ends of the two limiting columns 9 away from each other are in plug-in cooperation with the limiting ring 8;

[0048] A driving assembly is located in the fixed block 1 and is used for driving the two limiting columns 9 to slide.

[0049] When the agricultural machine needs to be connected with the farm tool, the upper sliding rod 4 is pulled to slide upward, the upper sliding rod 4 drives the upper rack 6 to slide upward, the upper rack 6 drives the gear 5 engaged with the upper rack 6 to rotate forward, the gear 5 drives the lower rack 6 engaged with the gear 5 to slide downward, and the lower rack 6 drives the lower sliding rod 4 to slide downward. At this time, the connection of the agricultural machine is placed on the side away from each other of the two fixed rods 3, and then the upper sliding rod 4 is pulled downward. Through the above operation, the lower sliding rod 4 can be driven to slide upward. Through the fixed assembly, the two sliding rods 4 can be fixed, the overall device will not be loose during use, and the operation is convenient and fast without the need of tools.

[0050] Through the driving assembly, the two limiting columns 9 can be driven to slide and approach each other. When the two limiting columns 9 are separated from the limiting ring 8, the limiting ring 8 can be taken out. Then the connection of the farm tool is placed between the fixed block 1 and the limiting ring 8, and then the limiting ring 8 is inserted into the limiting groove 7. Through the driving assembly, the two limiting columns 9 can be driven to slide and move away from each other. The two limiting columns 9 are inserted into the limiting ring 8, and the position of the limiting ring 8 can be fixed. The overall device will not be loose during use, and the operation is convenient and fast without the need of tools.

[0051] In the embodiment, the fixing assembly comprises:

[0052] The rotating block 10 is rotatably installed on the fixed rod 3, the upper end of the rotating block 10 extends into the sliding rod 4, the upper end of the rotating block 10 is inserted and matched with the sliding rod 4, the second sliding groove 11 is formed in the sliding rod 4 and located on one side of the limiting strip 12, the limiting strip 12 is slidably installed in the second sliding groove 11, the limiting strip 12 is fixedly installed on one side of the limiting strip 12, the spring 14 is sleeved on the guide rod 13, one end of the limiting strip 12 extends into the rotating block 10, and the limiting strip 12 is inserted and matched with the rotating block 10;

[0053] When the agricultural machine needs to be connected with the farm tool, first pull the limiting strip 12 to slide away from the rotating block 10, the limiting strip 12 drives the corresponding guide rods 13 to slide, and the corresponding springs 14 are extruded and contracted, when one side of the limiting strip 12 is separated from the corresponding rotating block 10, rotate the rotating block 10, through the above operation, rotate the other rotating block 10, then pull the upper sliding rod 4 to slide upwards, the upper sliding rod 4 drives the upper rack 6 to slide upwards, the upper rack 6 drives the gear 5 meshed therewith to rotate forward, the gear 5 drives the lower rack 6 meshed therewith to slide downwards, the lower rack 6 drives the lower sliding rod 4 to slide downwards, at this time, the connection of the agricultural machine is placed on the side of the two fixed rods 3 away from each other, then pull the upper sliding rod 4 downwards, through the above operation, the lower sliding rod 4 can be driven to slide upwards, then rotate the rotating block 10, finally release the limiting strip 12, under the action of the rebound force of the springs 14, one side of the limiting strip 12 is inserted into the rotating block 10, to ensure that the two sliding rods 4 are fixed and stable, the overall device will not loosen during use, and the operation is convenient and fast, without the need of tools.

[0054] In the embodiment, the driving assembly comprises:

[0055] The sliding plate 15 is arranged in the limiting groove 7, two guide grooves 16 are arranged on the sliding plate 15, guide columns 17 are slidingly arranged in the two guide grooves 16, the two guide columns 17 are fixedly connected with the two limiting columns 9 respectively, a plurality of fixed columns 18 are fixedly arranged in the limiting groove 7, one end of each of the plurality of fixed columns 18 extends into the sliding plate 15, and each of the plurality of fixed columns 18 is slidingly connected with the sliding plate 15, and a pull spring 19 is sleeved on each of the plurality of fixed columns 18.

[0056] The sliding plate 15 is pulled to slide outward, the sliding plate 15 pulls the plurality of pull springs 19 to elongate, the sliding plate 15 drives the two guide columns 17 to move close to each other through the two guide grooves 16 respectively, the two guide columns 17 drive the two limiting columns 9 to slide and move close to each other respectively, when the two limiting columns 9 are separated from the limiting ring 8, the limiting ring 8 can be taken out, then the connection of the farm tool is placed between the fixed block 1 and the limiting ring 8, then the limiting ring 8 is inserted into the limiting groove 7, then the sliding plate 15 is released, under the action of the pulling force of the plurality of pull springs 19, the sliding plate 15 slides towards the pull springs 19, the sliding plate 15 drives the two guide columns 17 to move away from each other through the two guide grooves 16 respectively, the two guide columns 17 drive the two limiting columns 9 to slide and move away from each other respectively, and the two limiting columns 9 are inserted into the limiting ring 8, the position of the limiting ring 8 can be fixed, the overall device will not loosen during use, and the operation is convenient and fast, without the need of tools.

[0057] Embodiment 2:

[0058] The embodiment provides a new multifunctional traction device for agricultural machinery.

[0059] In the embodiment, two ends of the plurality of tension springs 19 are welded with the inner wall of the limiting groove 7 and the sliding plate 15 respectively, and two ends of the plurality of springs 14 are welded with the inner wall of the two second sliding grooves 11 and the two limiting strips 12 respectively.

[0060] The plurality of tension springs 19 are stable in use, and the plurality of springs 14 are stable in use.

[0061] Embodiment 3

[0062] The embodiment provides a new multifunctional traction device for agricultural machinery, which has the following technical features in addition to the technical solutions of the above embodiments.

[0063] In the embodiment, the plurality of guide rods 13 are all in sliding connection with the second sliding groove 11, and the two racks 6 are all in sliding connection with the first sliding groove 2.

[0064] The plurality of guide rods 13 can slide in the second sliding groove 11, and the two racks 6 can slide in the first sliding groove 2.

[0065] Embodiment 4

[0066] The embodiment provides a new multifunctional traction device for agricultural machinery, which has the following technical features in addition to the technical solutions of the above embodiments.

[0067] In the embodiment, the guide column 17 and the corresponding limiting column 9 are in an integral molding structure.

[0068] The guide column 17 and the corresponding limiting column 9 are stable in use.

[0069] Embodiment 5

[0070] The embodiment provides a new multifunctional traction device for agricultural machinery, which has the following technical features in addition to the technical solutions of the above embodiments.

[0071] In the embodiment, the diameter of the guide column 17 is matched with the size of the guide groove 16.

[0072] The guide column 17 is stable in sliding.

[0073] Working principle: when the agricultural machinery and the farm tool need to be connected, first pull the limiting strip 12 to slide away from the rotating block 10, the limiting strip 12 drives the corresponding guide rod 13 to slide, and the corresponding spring 14 is extruded and shrunk, when one side of the limiting strip 12 is separated from the corresponding rotating block 10, rotate the rotating block 10, through the above operation, rotate the other rotating block 10, then pull the upper sliding rod 4 to slide upwards, the upper sliding rod 4 drives the upper rack 6 to slide upwards, the upper rack 6 drives the gear 5 meshed therewith to rotate forward, the gear 5 drives the lower rack 6 meshed therewith to slide downwards, the lower rack 6 drives the lower sliding rod 4 to slide downwards, at this time, the connection of the agricultural machinery is placed on the side of the two fixed rods 3 away from each other, then pull the upper sliding rod 4 downwards, through the above operation, the lower sliding rod 4 can be driven to slide upwards, then rotate the rotating block 10, finally release the limiting strip 12, under the action of the rebound force of the spring 14, one side of the limiting strip 12 is inserted into the rotating block 10, to ensure that the two sliding rods 4 are fixed and stable, the overall device will not loosen during use, and it is convenient and fast to operate without the need of tools;

[0074] Pull the sliding plate 15 to slide outward, the sliding plate 15 pulls the extension of the plurality of tension springs 19, the sliding plate 15 drives the two guide columns 17 to approach each other through the two guide grooves 16 respectively, the two guide columns 17 drive the two limiting columns 9 to slide and approach each other respectively, when the two limiting columns 9 are separated from the limiting ring 8, the limiting ring 8 can be taken out, then the connection of the farm tool is placed between the fixed block 1 and the limiting ring 8, then the limiting ring 8 is inserted into the limiting groove 7, then release the sliding plate 15, under the action of the pulling force of the plurality of tension springs 19, the sliding plate 15 slides towards the tension springs 19, the sliding plate 15 drives the two guide columns 17 to move away from each other through the two guide grooves 16 respectively, the two guide columns 17 drive the two limiting columns 9 to slide and move away from each other respectively, the two limiting columns 9 are inserted into the limiting ring 8, the position of the limiting ring 8 can be fixed, the overall device will not loosen during use, and it is convenient and fast to operate without the need of tools.

[0075] The embodiments of the present application are described above in combination with the drawings, the embodiments and the features in the embodiments in the present application can be combined with each other without conflict, the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, the person skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims, all of which belong to the protection of the present application.

Claims

1. A new type of multifunctional traction device for agricultural machinery comprising a fixed block (1), characterized in that, Also include: First sliding groove (2), the first sliding groove (2) is opened in fixed block (1), two sliding rods (4) are slidably installed in the first sliding groove (2), the fixed block (1) is fixedly installed with fixed rod (3) on the side of two sliding rods (4) and is located on the side of two sliding rods (4) and is located on the side of two sliding rods (4), the first sliding groove (2) is rotatably installed with gear (5), both sides of the gear (5) are rotatably installed with rack (6), two rack (6) are respectively fixedly connected with two sliding rods (4); Two groups of fixed components, two groups of the fixed components are respectively located on two sliding rods (4), and are respectively used for fixing the position of two sliding rods (4); Limiting groove (7), the limiting groove (7) is opened in the fixed block (1), the limiting ring (8) is insertedly installed in the limiting groove (7), the two limiting columns (9) are slidably installed in the limiting groove (7), the ends of the two limiting columns (9) away from each other extend into the limiting ring (8), and the ends of the two limiting columns (9) away from each other are insertedly matched with the limiting ring (8); Driving assembly, the driving assembly is located in the fixed block (1), and is used for driving two limiting columns (9) to slide.

2. A new type of multi-functional towing device for agricultural machinery as claimed in claim 1, characterized in that, The fixed component comprises: Rotating block (10), the rotating block (10) is rotatably installed on the fixed rod (3), the upper end of the rotating block (10) extends into the sliding rod (4), the upper end of the rotating block (10) is insertedly matched with the sliding rod (4), the second sliding groove (11) is opened in the sliding rod (4) and is located on the side of the limiting strip (12), the limiting strip (12) is slidably installed in the second sliding groove (11), a plurality of guide rods (13) are fixedly installed on the side of the limiting strip (12), a plurality of springs (14) are sleeved on the guide rods (13), one end of the limiting strip (12) extends into the rotating block (10), and the limiting strip (12) is insertedly matched with the rotating block (10).

3. A novel multi-functional draft assembly for agricultural machinery as claimed in claim 2, wherein The driving assembly comprises: Sliding plate (15), the sliding plate (15) is opened in the limiting groove (7), the sliding plate (15) is opened with two guide grooves (16), two guide grooves (16) are slidably installed with guide column (17), two guide columns (17) are respectively fixedly connected with two limiting columns (9), a plurality of fixed columns (18) are fixedly installed in the limiting groove (7), one end of a plurality of fixed columns (18) extends into the sliding plate (15), and a plurality of fixed columns (18) are slidably connected with the sliding plate (15), a plurality of fixed columns (18) are sleeved with tension spring (19).

4. A novel multi-functional draft assembly for agricultural machinery as claimed in claim 3, wherein The two ends of a plurality of the tension spring (19) are respectively welded with the inner wall of the limiting groove (7) and the sliding plate (15), and the two ends of a plurality of the spring (14) are respectively welded with the inner wall of the two second sliding grooves (11) and the two limiting strips (12).

5. A novel multi-functional draft assembly for agricultural machinery as claimed in claim 3, wherein A plurality of the guide rods (13) are slidably connected with the second sliding groove (11), and two rack (6) are slidably connected with the first sliding groove (2).

6. A novel multi-functional draft assembly for agricultural machinery as claimed in claim 3, wherein The guide column (17) and the corresponding limiting column (9) are integrally formed. The guide column (17) and the corresponding limiting column (9) are integrally formed.

7. A novel multi-functional draft assembly for agricultural machinery as claimed in claim 3, wherein The diameter of the guide post (17) is adapted to the size of the guide groove (16). The diameter of the guide post (17) is adapted to the size of the guide groove (16).

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