Amplitude modulation device for hydraulic turnover plough and hydraulic turnover plough

Abstract

This application provides an amplitude adjustment device for a hydraulic reversible plow and a hydraulic reversible plow. The amplitude adjustment device for the hydraulic reversible plow includes an I-beam, an amplitude adjustment component, and a locking and limiting component. The amplitude adjustment component is inserted into at least a portion of the I-beam at both ends along its axial direction, creating installation spaces between the amplitude adjustment component and the I-beam at both ends along its axial direction. The locking and limiting component includes a limiting part and a locking part. The limiting part is disposed in the installation space to limit the amplitude adjustment component along its axial direction. The locking part can lock the limiting part to the I-beam to achieve locking of the limiting part. This application utilizes the limiting part to limit the amplitude adjustment component and then uses the locking part to lock the limiting part to the beam arm, thereby greatly reducing the axial movement of the adjustment component and preventing the amplitude adjustment component from falling off. This also prevents the overall separation of the reversible plow and ensures the integrity of the reversible plow as a whole.

Description

Technical Field

[0001] This application relates to the field of agricultural machinery and equipment technology, and in particular to an amplitude adjustment device for a hydraulic reversible plow and a hydraulic reversible plow. Background Technology

[0002] The hydraulic reversible plow uses an amplitude adjustment device that can change the angle of the plow beam by rotating the shaft system, thereby achieving amplitude adjustment and better meeting the user's needs for various working conditions (different soil conditions).

[0003] Currently commonly used amplitude modulation devices such as Figure 1 As shown, specifically, the intermediate sleeve 1' is assembled with the I-beam 3' via the adjusting arm shaft 2'; both ends of the adjusting arm shaft 2' along its axial direction are respectively provided with spherical bearings 8' on the I-beam 3', and are sealed to the I-beam 3' by end caps 9'; grease cups 6' are provided on the I-beam 3' corresponding to the positions of the spherical bearings 8', through which lubricating oil can be supplied to the spherical bearings 8'. In addition, elastic retaining rings 4' and sealing rings 7' are also provided between the end caps 9' and the I-beam 3'. Furthermore, fastening screws 5' are used to pass through the intermediate sleeve 1' and the adjusting arm shaft 2' respectively to limit their movement. However, the current structure has the following defects:

[0004] (1) During use, the intermediate sleeve 1' is assembled with the I-beam 3' through the adjusting arm shaft 2'. The adjusting arm shaft 2' is subjected to radial force and axial impact load, and the elastic retaining ring 4' used for limiting is at risk of being pushed out by the adjusting arm shaft 2'. In addition, the elastic retaining ring 4' is at risk of deforming and falling off. Once the elastic retaining ring 4' falls off, the adjusting arm shaft 2' is at risk of slipping off, causing the entire reversible plow to separate, making maintenance difficult and posing a safety hazard.

[0005] (2) To solve the defect (1), a structure with fastening screw 5' for auxiliary limiting is adopted. However, this structure is complex, difficult to assemble, and has low production efficiency.

[0006] Therefore, there is an urgent need for a hydraulic reversible plow with an adjustable amplitude device and a hydraulic reversible plow, in order to solve the technical problems existing in the prior art to a certain extent. Utility Model Content

[0007] The purpose of this application is to provide an amplitude adjustment device for a hydraulic reversible plow and a hydraulic reversible plow, which improves structural reliability and durability to a certain extent, reduces assembly difficulty, and increases production efficiency.

[0008] This application provides an amplitude adjustment device for a hydraulic reversible plow, including an I-beam, an amplitude adjustment assembly, and a locking and limiting assembly;

[0009] The amplitude adjustment component is inserted into at least a portion of the I-beam at both ends along its axial direction, such that an installation space is formed between the amplitude adjustment component at both ends along its axial direction and the I-beam.

[0010] The locking and limiting assembly includes a limiting part and a locking part; the limiting part is disposed in the installation space to limit the axial direction of the amplitude adjustment assembly; the locking part can lock the limiting part to the I-beam to achieve locking of the limiting part.

[0011] In the above technical solution, the amplitude adjustment component further includes a sleeve and an adjusting arm shaft;

[0012] The two ends of the adjusting arm shaft along its axial direction are respectively inserted into at least a portion of the I-beam, such that the two ends of the adjusting arm shaft along its axial direction and the I-beam respectively form the installation space;

[0013] The sleeve is fitted onto the adjusting arm shaft in the middle of the beam arm of the I-beam, and is clearance-fitted with the adjusting arm shaft.

[0014] In the above technical solution, the amplitude modulation component further includes a wear-resistant sleeve;

[0015] The wear-resistant sleeve is fitted onto the adjusting arm shaft located in the middle of the beam arm of the I-beam; and the wear-resistant sleeve is interference-fitted with the sleeve and clearance-fitted with the adjusting arm shaft.

[0016] In the above technical solution, the amplitude adjustment component further includes a joint bearing;

[0017] The spherical bearing is sleeved on the portion of the adjusting arm that is abutting the I-beam.

[0018] In the above technical solution, the limiting part is further defined as an end cap, which includes a first limiting segment and a second limiting segment connected to the first limiting segment.

[0019] The size of the first limiting segment is adapted to the size of the installation space; the size of the second limiting segment is larger than the size of the first limiting segment, so that the first limiting segment can be inserted into the installation space and seal the installation space, and the second limiting segment abuts against the outer wall of the I-beam.

[0020] In the above technical solution, the first limiting segment has a concave defect groove on the side near the adjusting arm shaft.

[0021] The adjusting arm shaft can extend to the defect groove and has a gap between it and the sidewall of the defect groove.

[0022] In the above technical solution, the locking part is further defined as a bolt; the bolt passes through the second limiting section and the I-beam in sequence, so that the limiting part is limited to the I-beam.

[0023] In the above technical solution, the amplitude modulation component further includes an oil injection cup;

[0024] The oil injection cup is disposed at the limiting part and communicates with the gap, and can provide lubricating oil to the spherical bearing through the oil injection cup.

[0025] This application provides a hydraulic reversible plow, including the aforementioned amplitude adjustment device for a hydraulic reversible plow.

[0026] Compared with the prior art, this application has the following beneficial effects:

[0027] This application provides an amplitude adjustment device for a hydraulic reversible plow, including an I-beam, an amplitude adjustment assembly, and a locking and limiting assembly;

[0028] The amplitude adjustment component is inserted into at least a portion of the I-beam at both ends along its axial direction, such that an installation space is formed between the amplitude adjustment component at both ends along its axial direction and the I-beam.

[0029] The locking and limiting assembly includes a limiting part and a locking part; the limiting part is disposed in the installation space to limit the axial direction of the amplitude adjustment assembly; the locking part can lock the limiting part to the I-beam to achieve locking of the limiting part.

[0030] In summary, compared to existing amplitude adjustment devices where the adjusting component is subjected to axial impact during use and the elastic retaining ring is at risk of deformation and detachment, which could lead to slippage of the adjusting arm shaft and separation of the entire reversible plow, making maintenance difficult and posing safety hazards, this application utilizes a limiting part to limit the amplitude adjustment component and then uses a locking part to lock the limiting part onto the beam arm. This significantly reduces the axial movement of the adjusting component, thus preventing the amplitude adjustment component from falling off and avoiding the problem of the entire reversible plow separating, thereby ensuring the integrity of the entire reversible plow.

[0031] Furthermore, compared to existing systems that use fastening screws on the sleeve to axially position the amplitude modulation component, resulting in complex structures and assembly, this application has a simple structure, is easy to assemble, and has extremely high production efficiency.

[0032] This application provides a hydraulic reversible plow, including the aforementioned amplitude adjustment device for a hydraulic reversible plow. Therefore, it possesses all the beneficial effects of the amplitude adjustment device for a hydraulic reversible plow, which will not be specifically elaborated here. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the amplitude adjustment device for a hydraulic reversible plow in the prior art.

[0035] Figure 2 A schematic diagram of the amplitude adjustment device for the hydraulic reversible plow provided in this application from a first-view perspective;

[0036] Figure 3 for Figure 2 Enlarged view of point A in the image;

[0037] Figure 4 A schematic diagram of the structure of the hydraulic reversible plow provided in this application.

[0038] Reference numerals: 1'-Intermediate sleeve; 2'-Adjusting arm shaft; 3'-I-beam; 4'-Elastic retaining ring; 5'-Fastening screw; 6'-Oil injection cup; 7'-Sealing ring; 8'-Spherical bearing; 9'-End cap;

[0039] 1-I-beam; 101-beam arm; 102-installation space;

[0040] 2-Amplitude adjustment assembly; 201-Sleeve; 202-Adjusting arm shaft; 203-Wear-resistant sleeve; 204-Spherical bearing; 205-Oil injection cup.

[0041] 3-Locking and limiting assembly; 301-Limiting part; 302-Locking part; 303-End cap; 304-First limiting section; 305-Second limiting section; 306-Defect groove; 307-Gap; 308-Bolt;

[0042] 4-Plowhead assembly; 401-Pin; 402-External adjusting screw; 403-Internal adjusting screw; 404-Tie rod; 405-Clamping plate; 406-Plow beam; 407-Shaft system structure; 408-Adjusting arm. Detailed Implementation

[0043] The following detailed embodiments are provided to aid the reader in gaining a comprehensive understanding of the methods, apparatus, and / or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and / or systems described herein will be apparent upon understanding the disclosure of this application. For example, the order of operations described herein is merely illustrative and is not limited to the order presented herein; rather, changes that will be apparent upon understanding the disclosure of this application are possible, except for operations that must occur in a specific order. Furthermore, descriptions of features known in the art may be omitted for clarity and brevity. The features described herein may be implemented in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein are provided only to illustrate some of the many possible ways of implementing the methods, apparatus, and / or systems described herein that will be apparent upon understanding the disclosure of this application. Throughout this specification, when an element (such as a layer, region, or substrate) is described as being "on" another element, "connected to" another element, "bonded to" another element, "on" another element, or "covering" another element, it may be directly "on" another element, "connected to" another element, "bonded to" another element, "on" another element, or "covering" another element, or there may be one or more other elements in between. Conversely, when an element is described as being "directly on" another element, "directly connected to" another element, "directly bonded to" another element, "directly on" another element, or "directly covering" another element, there may be no other elements in between. As used herein, the term "and / or" includes any one of the relevant items listed and any combination of any two or more of them. Although terms such as "first," "second," and "third" may be used herein to describe individual components, assemblies, regions, layers, or portions, these components, assemblies, regions, layers, or portions are not limited by these terms. More precisely, these terms are used only to distinguish one component, assembly, region, layer, or part from another. Therefore, without departing from the teachings of the examples described herein, the first component, assembly, region, layer, or part referred to as such in the examples may also be referred to as the second component, assembly, region, layer, or part. For ease of description, spatial relational terms such as “above,” “upper,” “below,” and “lower” may be used herein to describe the relationship between one element and another, as shown in the accompanying drawings. Such spatial relational terms are intended to include not only the orientation depicted in the drawings but also the different orientations of the device in use or operation. For example, if the device in the drawings is flipped, an element described as being “above” or “upper” relative to another element will subsequently be “below” or “lower” relative to that other element.Therefore, the term "above" includes both "above" and "below" depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., oscillating 90 degrees or in other orientations), and the spatial relational terms used herein will be interpreted accordingly. The terminology used herein is for describing various examples only and is not intended to limit this disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "comprising," "including," and "having" enumerate the stated features, quantities, operations, components, elements, and / or combinations thereof, but do not exclude the presence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof. Variations in the shapes shown in the figures may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the figures but include changes in shape that occur during manufacturing. The features of the examples described herein may be combined in various ways that will be apparent upon understanding the disclosure of this application. Furthermore, although the examples described herein have a wide variety of constructions, other constructions are possible as will be apparent upon understanding the disclosure of this application.

[0044] Example 1

[0045] This application provides an amplitude adjustment device for a hydraulic reversible plow, which to a certain extent solves the following defects in the existing structure: (1) During use, the intermediate sleeve 1' is assembled with the I-beam 3' through the adjusting arm shaft 2'. The adjusting arm shaft 2' is subjected to radial force and axial impact load, and the elastic retaining ring 4' used for limiting is at risk of being pushed out by the adjusting arm shaft 2'. In addition, the elastic retaining ring 4' is at risk of deformation and falling out. Once the elastic retaining ring 4' falls out, the adjusting arm shaft 2' is at risk of slipping, causing the reversible plow to separate as a whole, making maintenance difficult and posing a safety hazard. (2) To solve defect (1), a structure with fastening screws 5' for auxiliary limiting is used. However, this structure is complex, difficult to assemble, and has low production efficiency. The following is combined with Figures 2-4 This application provides a detailed description of an amplitude adjustment device for a hydraulic reversible plow.

[0046] The hydraulic reversible plow's amplitude adjustment device includes an I-beam 1, combined with... Figure 2 As shown, the I-beam 1 includes two parallel, spaced-apart beam arms 101.

[0047] The hydraulic reversible plow's amplitude adjustment device also includes an amplitude adjustment component 2, with both ends of the amplitude adjustment component 2 inserted into at least a portion of the I-beam 1 along its axial direction, such that installation spaces 102 are formed between the two ends of the amplitude adjustment component 2 along its axial direction and the I-beam 1. Specifically, in conjunction with Figure 2 As shown, the axial direction of amplitude modulation component 2 refers to... Figure 2In the vertical direction, the amplitude adjustment component 2 is inserted into part of the beam arm 101 at both ends along the vertical direction. In addition, the two ends of the amplitude adjustment component 2 along the vertical direction do not completely penetrate the beam arm 101, but are placed in the middle of the beam arm 101. This arrangement can create an installation space 102 between the ends of the amplitude adjustment component 2 along the vertical direction and the beam arm 101.

[0048] The amplitude adjustment device for the hydraulic reversible plow also includes a locking and limiting assembly 3, which includes a limiting part 301 and a locking part 302. The limiting part 301 is disposed in the installation space 102 and can limit both ends of the amplitude adjustment assembly 2 in the axial direction. Specifically, the limiting part 301 seals both ends of the amplitude adjustment assembly 2 in the axial direction to the beam arm 101. Thus, even if the amplitude adjustment assembly 2 may move in the axial direction, the limiting part 301 will prevent this movement. The limiting part 301 effectively limits the amplitude adjustment assembly 2 at both its upper and lower ends. Furthermore, the locking part 302 can lock the limiting part 301 to the I-beam 1 to achieve locking of the limiting part 301. In other words, by locking the limiting part 301 onto the beam arm 101 through the locking part 302, the firmness of the limiting part 301 is ensured, so even if the amplitude adjustment component 2 has a tendency to move along the axial direction, it will not push the limiting part 301 open.

[0049] In summary, compared to existing amplitude adjustment devices where the adjusting component is subjected to axial impact during use and the elastic retaining ring is at risk of deformation and detachment, which could lead to slippage of the adjusting arm shaft and separation of the entire reversible plow, making maintenance difficult and posing safety hazards, this application utilizes a limiting part 301 to limit the amplitude adjustment component 2 and then uses a locking part 302 to lock the limiting part 301 onto the beam arm 101. The combination of the locking part 302 and the limiting part 301 is more reliable and has a stronger load-bearing capacity than the elastic retaining ring limiting, thus greatly reducing the axial movement of the adjusting component and preventing the amplitude adjustment component 2 from falling off. Consequently, the problem of the entire reversible plow separating is avoided, ensuring the integrity of the entire reversible plow.

[0050] In addition, compared with the existing structures that are complex and complicated to assemble due to the use of fastening screws on the sleeve 201 to axially position the amplitude adjustment component 2, the present application has a simple structure, is easy to assemble, and has extremely high production efficiency.

[0051] Furthermore, this application can achieve locking and limiting of the amplitude modulation component 2 using only two components, the limiting part 301 and the locking part 302. Compared with the existing components that use sealing rings, fastening screws and elastic retaining rings, this application has fewer parts, does not require additional fastening screws, and is simple to assemble.

[0052] In this embodiment, combined with Figure 2As shown, the amplitude adjustment assembly 2 includes a sleeve 201 and an adjusting arm shaft 202; wherein, the two ends of the adjusting arm shaft 202 along its axial direction are respectively inserted into at least part of the beam arm 101, such that the two ends of the adjusting arm shaft 202 along its axial direction, i.e., the upper and lower ends of the adjusting arm shaft 202, and the beam arm 101 respectively form an installation space 102.

[0053] The sleeve 201 is fitted onto the adjusting arm shaft 202 between the two beam arms 101. In other words, the sleeve 201 is fitted onto the adjusting arm shaft 202 and is located between the two beam arms 101.

[0054] Furthermore, a clearance fit can be used between the sleeve 201 and the adjusting arm shaft 202. When the relative motion resistance between the two is small, the sleeve 201 rotates around the adjusting arm shaft 202 when the drive sleeve 201 rotates. When the relative motion resistance between the two is large, the sleeve 201 and the adjusting arm shaft 202 rotate simultaneously when the drive sleeve 201 rotates.

[0055] Further integration Figure 2 As shown, the amplitude adjustment assembly 2 also includes a wear-resistant sleeve 203; specifically, the wear-resistant sleeve 203 is fitted onto the adjusting arm shaft 202 located in the middle of the beam arms 101 of the I-beam 1. In other words, the wear-resistant sleeve 203 is fitted onto the adjusting arm shaft 202 and located between the two beam arms 101. Optionally, two wear-resistant sleeves 203 are provided, with the two wear-resistant sleeves 203 respectively close to the two beam arms 101.

[0056] Furthermore, the wear-resistant sleeve 203 and the sleeve 201 are interference-fitted. For ease of assembly and relative rotation, the adjusting arm shaft 202 and the wear-resistant sleeve 203 are clearance-fitted, as are the adjusting arm shaft 202 and the spherical bearing 204. After assembly, the relative motion resistance of each clearance varies. When the clearance resistance between the wear-resistant sleeve 203 and the adjusting arm shaft 202 is small, when the sleeve 201 is driven to rotate, the sleeve 201 and the wear-resistant sleeve 203 can function as a single unit, rotating simultaneously around the adjusting arm shaft 202. When the clearance resistance between the wear-resistant sleeve 203 and the adjusting arm shaft 202 is large, when the sleeve 201 is driven to rotate, the sleeve 201, the wear-resistant sleeve 203, and the adjusting arm shaft 202 together function as a single unit, rotating simultaneously. In actual operation, when the sleeve 201 is driven to rotate, the shaft system rotates along the surface of least resistance, resulting in a flexible structure and effortless amplitude adjustment.

[0057] Therefore, by setting the wear-resistant sleeve 203, the stress condition of the adjusting arm shaft 202 can be improved, wear can be reduced, and the service life of the amplitude adjustment component 2 can be increased.

[0058] Further integration Figure 2As shown, the amplitude adjustment assembly 2 also includes a spherical bearing 204; the spherical bearing 204 is sleeved on the portion of the adjusting arm shaft 202 that is attached to the I-beam 1. That is, when the adjusting arm shaft 202 rotates, the spherical bearing 204 prevents hard friction between the adjusting arm shaft 202 and the beam arm 101. Furthermore, since the adjusting arm shaft 202 experiences significant stress, installing the spherical bearing 204 optimizes the stress on the adjusting arm shaft 202, thereby extending its service life.

[0059] Further integration Figure 2 And refer to Figure 3 As shown, the limiting part 301 is an end cap 303. Specifically, the end cap 303 includes a first limiting segment 304 and a second limiting segment 305 connected to the first limiting segment 304. The size of the first limiting segment 304 is adapted to the size of the installation space 102; that is, the diameter of the first limiting segment 304 is the same as the diameter of the installation space 102. The size of the second limiting segment 305 is larger than the size of the first limiting segment 304, that is, the diameter of the second limiting segment 305 is larger than the diameter of the first limiting segment 304. Therefore, during actual assembly, the first limiting segment 304 can be completely fitted into the installation space 102, thus limiting the axial direction of the adjusting arm shaft 202. Furthermore, since the diameter of the second limiting segment 305 is larger than the diameter of the first limiting segment 304, when the first limiting segment 304 is inserted into the installation space 102 and seals the installation space 102, the second limiting segment 305 can just abut against the outer wall of the I-beam 1.

[0060] Optionally, the outer wall of the first limiting section 304 is provided with external threads, and the side wall of the installation space 102 is provided with internal threads. The first limiting section 304 and the installation space 102 are connected by threads, which can improve the stable and effective connection between the limiting part 301 and the installation space 102 to a certain extent.

[0061] Alternatively, the first limiting segment 304 and the installation space 102 are interference-fitted, which increases the stability of the connection between the first limiting segment 304 and the installation space 102, and to a certain extent can also prevent the adjusting arm shaft 202 from pushing the first limiting segment 304 open due to axial movement.

[0062] Further integration Figure 2 And refer to Figure 3 As shown, the first limiting segment 304 has a recessed defect groove 306 on the side near the adjusting arm shaft 202; the adjusting arm shaft 202 can extend to the defect groove 306, and there is a gap 307 between it and the side wall of the defect groove 306. That is, although the adjusting arm shaft 202 can extend to the defect groove 306, there is still a gap 307 between it and the side wall of the defect groove 306, thereby ensuring the normal rotation function of the adjusting arm shaft 202.

[0063] Further integration Figure 2 And refer to Figure 3 As shown, the locking part 302 is a bolt 308; the bolt 308 passes through the second limiting section 305 and the beam arm 101 of the I-beam 1 in sequence, so that the second limiting section 305 is locked to the beam arm 101 of the I-beam 1, and when the bolt 308 locks the second limiting section 305 to the beam arm 101, the first limiting section 304 is also locked in the installation space 102.

[0064] In this embodiment, combined with Figure 2 And refer to Figure 3 As shown, the amplitude adjustment assembly 2 also includes an oil injection cup 205; wherein, the oil injection cup 205 is disposed in the limiting part 301. Specifically, the oil injection cup 205 passes through the first limiting section 304 and communicates with the gap 307 mentioned above, and can provide lubricating oil to the spherical bearing 204 through the oil injection cup 205.

[0065] Example 2

[0066] This application provides a hydraulic reversible plow, including the aforementioned hydraulic reversible plow adjustment device, plow head assembly 4, plow beam assembly, and drive assembly. In the above embodiment, the plow head assembly 4 is in a fixed state. Furthermore, in conjunction with... Figure 4 As shown, the plow beam assembly includes a plow beam 406, a clamping plate 405, a tie rod 404, and an adjusting arm 408. The adjusting arm 408 is assembled onto the clamping plate 405 and the tie rod 404 by fasteners and is integrated with the sleeve 201 described in Embodiment 1. The plow head assembly 4, the I-beam 1, and the plow beam assembly are connected by shaft structures 407 at both ends of the I-beam (shaft structures 407 include the amplitude adjustment assembly and the limiting assembly described above). The drive assembly includes an inner adjusting screw 403 and an outer adjusting screw 402. The inner adjusting screw 403 is connected to the I-beam 1 and the adjusting arm 408 via pins 401 at both ends, and the outer adjusting screw 402 is connected to the plow head assembly 4 and the adjusting arm 408 via pins 401 at both ends.

[0067] In actual use, when the length of the drive component is adjusted, the I-beam 1 and the plow head assembly 4, and the I-beam 1 and the plow beam assembly, can respectively rotate and swing relative to each other through the shaft system structure 407 at both ends of the I-beam 1, thereby changing the position and angle of the plow beam 406 and realizing the amplitude adjustment function.

[0068] Furthermore, in the shaft system structure, the fit relationships of the various components are as follows: the sleeve 201 and the wear-resistant sleeve 203 are interference fits and are combined as a whole; the adjusting arm shaft 202 and the wear-resistant sleeve 203 are clearance fits to facilitate assembly and relative rotation; the adjusting arm shaft 202 and the spherical bearing 204 are small clearance fits to facilitate assembly; the spherical bearing 204 and the beam arm 101 are interference fits and are combined as a whole.

[0069] Based on the above-mentioned cooperation, the adjusting arm shaft 202 and the wear-resistant sleeve 203 can rotate relative to each other, the adjusting arm shaft 202 and the spherical bearing 204 can rotate relative to each other, and the inner and outer rings of the spherical bearing 204 itself can also rotate relative to each other. The structure has many relative motion surfaces. When adjusting the length of the drive component, the shaft structure 407 will rotate along the motion surface with the least resistance. The structure is flexible and the amplitude adjustment operation is labor-saving.

[0070] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A hydraulic angle control device for a hydraulic turnover plow, characterized by comprising: This includes I-beams, amplitude adjustment components, and locking and limiting components; The amplitude adjustment component is inserted into at least a portion of the I-beam at both ends along its axial direction, such that an installation space is formed between the amplitude adjustment component at both ends along its axial direction and the I-beam. The locking and limiting assembly includes a limiting part and a locking part; the limiting part is disposed in the installation space to limit the axial direction of the amplitude adjustment assembly; the locking part can lock the limiting part to the I-beam to achieve locking of the limiting part.

2. The hydraulic turnover plow amplitude modulation device according to claim 1, characterized by The amplitude adjustment assembly includes a sleeve and an adjusting arm shaft; The two ends of the adjusting arm shaft along its axial direction are respectively inserted into at least a portion of the I-beam, such that the two ends of the adjusting arm shaft along its axial direction and the I-beam respectively form the installation space; The sleeve is fitted onto the adjusting arm shaft in the middle of the beam arm of the I-beam, and is clearance-fitted with the adjusting arm shaft.

3. The amplitude modulation device for a hydraulic turnover plow according to claim 2, characterized in that, The amplitude modulation assembly also includes a wear-resistant sleeve; The wear-resistant sleeve is fitted onto the adjusting arm shaft located in the middle of the beam arm of the I-beam; and the wear-resistant sleeve is interference-fitted with the sleeve and clearance-fitted with the adjusting arm shaft.

4. The hydraulic rollover plow amplitude modulation device of claim 3, wherein, The amplitude modulation assembly also includes a joint bearing; The spherical bearing is sleeved on the portion of the adjusting arm that is abutting the I-beam.

5. The amplitude adjustment device for a hydraulic reversible plow according to claim 4, characterized in that, The limiting part is an end cap. The end cap includes a first limiting segment and a second limiting segment connected to the first limiting segment; The size of the first limiting segment is adapted to the size of the installation space; the size of the second limiting segment is larger than the size of the first limiting segment, so that the first limiting segment can be inserted into the installation space and seal the installation space, and the second limiting segment abuts against the outer wall of the I-beam.

6. The amplitude adjustment device for a hydraulic reversible plow according to claim 5, characterized in that, The first limiting segment has a concave groove on the side near the adjusting arm shaft; The adjusting arm shaft can extend to the defect groove and has a gap between it and the sidewall of the defect groove.

7. The amplitude adjustment device for a hydraulic reversible plow according to claim 5, characterized in that, The locking part is a bolt; The bolt passes through the second limiting section and the I-beam in sequence, so that the limiting part is confined to the I-beam.

8. The amplitude adjustment device for a hydraulic reversible plow according to claim 6, characterized in that, The amplitude adjustment component also includes a pressure injection cup; The oil injection cup is disposed at the limiting part and communicates with the gap, and can provide lubricating oil to the spherical bearing through the oil injection cup.

9. A hydraulic reversible plow, characterized in that, Includes the amplitude adjustment device for a hydraulic reversible plow as described in any one of claims 1-8.

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