Coulter hub unit structure

Abstract

The utility model discloses a coulter hub unit structure which comprises a coulter disc, a supporting shaft is arranged in the center of the coulter disc, one end of the supporting shaft is fixedly connected with an installation disc, the installation disc and the coulter disc are connected through a plurality of threaded rods, a sealing disc is arranged on the side, away from the coulter disc, of the installation disc, and the sealing disc is fixedly connected with the coulter disc. A bearing is fixedly connected to the center of the sealing disc, a connecting shaft is rotatably connected to the center of the bearing, a protective barrel is arranged on the outer side of the bearing, and one side of the protective barrel is attached to one side of the sealing disc. The protective barrel can play a role in protecting the joint of the bearing and the connecting shaft, soil is prevented from entering the bearing to affect the rotation stability, the barrel opening of the protective barrel can be sealed through the sealing disc, lubricant can be stored through the liquid storage cotton, and the lubricant can uniformly flow into the bearing and the connecting shaft through the meshes, so that the lubricating effect of the bearing is improved, and the service life of the bearing is prolonged. The shaft burning phenomenon caused by long-time use is prevented, and the protection performance of the device is further improved.

Description

Technical Field

[0001] This utility model belongs to the field of plow wheel hub technology, specifically a plow wheel hub unit structure. Background Technology

[0002] A plowshare hub is a component used in specific mechanical devices, commonly found in agricultural machinery such as plows. It generally consists of a hub body and plowshares mounted around the hub. Its main function in agricultural operations is to use the machine's power to rotate the hub, allowing the plowshares mounted on it to cut into the soil, performing tasks such as turning and breaking up the soil. This improves soil structure and prepares the soil for subsequent agricultural activities such as sowing.

[0003] In the prior art, Chinese patent CN201621015776.1 discloses a plow blade hub unit structure, including a rotating shaft fixedly connected to the frame arm. A cover-shaped connector is rotatably mounted on the rotating shaft via a bearing. The cover-shaped connector is provided with a connecting flange, which is connected to the plow blade disc. The plow blade disc is provided with mounting holes corresponding to the connecting flange. An annular mounting part is provided on the outer periphery of the mounting hole on the side surface of the plow blade disc away from the cover-shaped connector. The inner wall of the annular mounting part and the inner cavity side wall of the cover-shaped connector together form a bearing mounting area. An end cap is embedded in the open end of the annular mounting part.

[0004] However, the plow hub unit structure provided in the above technical solution still has many shortcomings in actual use. For example, there is no protective structure at the plow hub bearing connection, which makes it easy for soil to enter the bearing during long-term use, thereby affecting the stability of the plow hub rotation and resulting in poor practicality. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] To address the problem mentioned in the background art that the lack of a protective structure at the plowshare hub bearing connection makes it easy for mud to enter the bearing during prolonged use, thereby affecting the stability of the plowshare hub rotation and resulting in poor practicality, this utility model adopts the following technical solution.

[0007] A colter wheel hub unit structure, including a colter disc, the center of the colter disc is provided with a support shaft, one end of the support shaft is fixedly connected with a mounting disc, the mounting disc and the colter disc are connected through a plurality of threaded rods, the side of the mounting disc away from the colter disc is provided with a sealing disc, the center of the sealing disc is fixedly connected with a bearing, the center of the bearing is rotatably connected with a connecting shaft, the outer side of the bearing is provided with a protective cylinder, one side of the protective cylinder is attached to one side of the sealing disc, and a cylinder opening is formed in the side of the protective cylinder close to the sealing disc.

[0008] Preferably, a cavity is arranged in the side wall of the protective cylinder, liquid storage cotton is arranged in the cavity, a plurality of mesh holes are formed in the inner wall of the protective cylinder and communicated with the cavity, and the plurality of mesh holes are uniformly distributed in a ring shape about the central axis of the protective cylinder.

[0009] Preferably, the central axis of the protective cylinder coincides with the central axis of the bearing, a plurality of convex strips are arranged on the outer side of the protective cylinder and uniformly distributed in a ring shape about the central axis of the protective cylinder, and the convex strip and the protective cylinder are in an integrated structure.

[0010] Preferably, a rack arm is rotatably connected to the outer side of the end of the connecting shaft away from the bearing, and a limiting ring is threadedly connected to the end of the connecting shaft.

[0011] Preferably, a ring groove is formed in the side of the protective cylinder close to the rack arm, the central axis of the ring groove coincides with the central axis of the protective cylinder, and the ring groove and the rack arm constitute a sliding structure through a sliding block.

[0012] Preferably, a plurality of mounting plates are fixedly connected to the outer side of the colter disc, positioning holes are formed in both ends of the plurality of mounting plates and penetrating through the mounting plates, and the plurality of mounting plates are uniformly distributed in a ring shape about the central axis of the colter disc.

[0013] Preferably, an end cover is threadedly connected to the end of the support shaft away from the colter disc, the central axis of the end cover coincides with the central axis of the support shaft, and the side of the end cover away from the colter disc is a convex arc surface structure.

[0014] Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The protective cylinder can protect the connection between the bearing and the connecting shaft, prevent soil from entering the bearing and affecting the stability of rotation, the cylinder opening of the protective cylinder is sealed by the sealing disc, the liquid storage cotton can store lubricant, the lubricant can uniformly flow into the bearing and the connecting shaft through the mesh holes, the phenomenon of shaft burning after long-term use is prevented, the protective performance of the device is further improved, the convex strips can improve the strength of the protective cylinder and prevent the protective cylinder from deforming. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is the local three-dimensional structure schematic view of the utility model;

[0019] Figure 3 It is the base three-dimensional structure schematic view of the utility model;

[0020] Figure 4 It is the whole side view structure schematic view of the utility model;

[0021] Figure 5 It is the whole side view structure schematic view of the utility model;

[0022] Figure 6 It is the support shaft three-dimensional structure schematic view of the utility model.

[0023] The corresponding relationship between the various figures in the drawing and the component name is as follows:

[0024] 1, plough disc;2, support shaft;3, mounting disc;4, threaded rod;5, sealing disc;6, bearing;7, connecting shaft;8, protection cylinder;9, liquid storage cotton;10, mesh;11, convex strip;12, rack arm;13, ring groove;14, mounting plate;15, positioning hole;16, end cover;17, limiting ring. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the accompanying drawings of the specification.

[0026] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0027] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it a separate or optional embodiment that excludes other embodiments. The utility model provides the following embodiments.

[0028] Please refer to Figures 1-5The utility model provides an embodiment: a plough wheel hub unit structure, including plough disc 1, the center of plough disc 1 is provided with support shaft 2, one end of support shaft 2 is fixedly connected with mounting disc 3, the end of support shaft 2 away from plough disc 1 is threadedly connected with end cover 16, the central axis of end cover 16 coincides with the central axis of support shaft 2, the side of end cover 16 away from plough disc 1 is the convex cambered surface structure, through the cooperation of support shaft 2 and mounting disc 3, plough disc 1 can be installed, by the setting of end cover 16, the connecting place of plough disc 1 and support shaft 2 can be protected.

[0029] In the embodiment, the outer side of the plough disc 1 is fixedly connected with a plurality of mounting plates 14, both ends of the plurality of mounting plates 14 are provided with positioning holes 15 penetrating through the mounting plates 14, the plurality of mounting plates 14 are uniformly distributed in a ring shape about the central axis of the plough disc 1, through the positioning holes 15 on the mounting plates 14 and the cooperation of external bolts, the ploughs can be installed, and the plough disc 1 is provided with a plurality of mounting plates 14 uniformly distributed in a ring shape, so that a plurality of ploughs can be installed.

[0030] In the embodiment, the mounting disc 3 and the plough disc 1 are connected through a plurality of threaded rods 4, the side of the mounting disc 3 away from the plough disc 1 is provided with a sealing disc 5, the center of the sealing disc 5 is fixedly connected with a bearing 6, the center of the bearing 6 is rotatably connected with a connecting shaft 7, the outer side of the bearing 6 is provided with a protective cylinder 8, one side of the protective cylinder 8 is attached to one side of the sealing disc 5, and the side of the protective cylinder 8 close to the sealing disc 5 is provided with a cylinder opening, the protective cylinder 8 can protect the connecting place of the bearing 6 and the connecting shaft 7, prevent the soil from entering the bearing 6, and affect the stability of rotation.

[0031] In the embodiment, the side wall of the protective cylinder 8 is provided with a cavity, the inside of the cavity is provided with liquid storage cotton 9, the inner wall of the protective cylinder 8 is provided with a plurality of mesh holes 10 communicating with the cavity, the plurality of mesh holes 10 are uniformly distributed in a ring shape about the central axis of the protective cylinder 8, the cylinder opening of the protective cylinder 8 can be sealed through the sealing disc 5, the liquid storage cotton 9 can store lubricant, and the lubricant can flow into the bearing 6 and the connecting shaft 7 uniformly through the mesh holes 10, so that the phenomenon of shaft burning due to long-term use is prevented, and the protection performance of the device is further improved.

[0032] In the embodiment, the central axis of the protective cylinder 8 coincides with the central axis of the bearing 6, the outer side of the protective cylinder 8 is provided with a plurality of convex strips 11, the plurality of convex strips 11 are uniformly distributed in a ring shape about the central axis of the protective cylinder 8, and the convex strips 11 and the protective cylinder 8 are an integrated structure, the setting of the convex strips 11 can improve the strength of the protective cylinder 8, so that the protective cylinder 8 is not easy to deform.

[0033] In the embodiment, the connecting shaft 7 is rotatably connected with the rack arm 12 outside the end of the bearing 6, the end of the connecting shaft 7 is threadedly connected with the limiting ring 17, the connecting shaft 7 and the rack arm 12 can be assembled by the bearing 6, and the rack arm 12 is limited by the limiting ring 17 to prevent the rack arm 12 from falling off the connecting shaft 7.

[0034] In the embodiment, the protection cylinder 8 is provided with the annular groove 13 on the side close to the rack arm 12, the central axis of the annular groove 13 coincides with the central axis of the protection cylinder 8, the annular groove 13 and the rack arm 12 form a sliding structure through the sliding block, the rack arm 12 rotating around the connecting shaft 7 is limited by the annular groove 13 and the sliding block on the rack arm 12, the stability of the rack arm 12 rotating is ensured, and the practicability of the device is improved.

[0035] Working principle: when the device is used, the plough disc 1 is installed through the cooperation of the supporting shaft 2 and the mounting disc 3, the end cover 16 is provided to protect the connection between the plough disc 1 and the supporting shaft 2, the plough is installed through the positioning hole 15 on the mounting plate 14 and the cooperation of the external bolt, a plurality of mounting plates 14 are evenly distributed on the plough disc 1 to install a plurality of ploughs, the connecting shaft 7 and the rack arm 12 are assembled by the bearing 6, the rack arm 12 is limited by the limiting ring 17 to prevent the rack arm 12 from falling off the connecting shaft 7, the protection cylinder 8 protects the connection between the bearing 6 and the connecting shaft 7 to prevent the soil from entering the bearing 6 and affecting the stability of the rotation, the cylinder opening of the protection cylinder 8 is sealed by the sealing disc 5, the lubricant is stored by the storage cotton 9 and uniformly flows into the bearing 6 and the connecting shaft 7 through the evenly distributed mesh holes 10 to prevent the shaft from burning after long time use, the protection performance of the device is further improved, the convex strip 11 is provided to improve the strength of the protection cylinder 8 and prevent the protection cylinder 8 from deforming, the rack arm 12 rotating around the connecting shaft 7 is limited by the annular groove 13 and the sliding block on the rack arm 12 to ensure the stability of the rack arm 12 rotating and improve the practicability of the device.

[0036] The above is a further detailed description of the utility model in combination with the specific embodiments, which cannot be regarded as the limitation of the specific embodiments of the utility model to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, some simple deductions or replacements can be made without departing from the concept of the utility model, which should be regarded as falling within the protection scope determined by the claims of the utility model.

Claims

1. A colter hub unit structure comprising a colter disc (1), characterized by: The center of the coulter disc (1) is provided with a support shaft (2), one end of the support shaft (2) is fixedly connected with a mounting disc (3), the mounting disc (3) and the coulter disc (1) are connected through a plurality of threaded rods (4), one side of the mounting disc (3) away from the coulter disc (1) is provided with a sealing disc (5), the center of the sealing disc (5) is fixedly connected with a bearing (6), the center of the bearing (6) is rotatably connected with a connecting shaft (7), the outer side of the bearing (6) is provided with a protective cylinder (8), one side of the protective cylinder (8) is in close contact with one side of the sealing disc (5), and the side of the protective cylinder (8) close to the sealing disc (5) is provided with a cylinder opening.

2. The colter hub unit structure of claim 1, wherein: The side wall of the protective cylinder (8) is provided with a cavity, the inside of the cavity is provided with a liquid storage cotton (9), and the inner wall of the protective cylinder (8) is provided with a plurality of mesh holes (10) communicating with the cavity. The plurality of mesh holes (10) are uniformly distributed in a ring shape about the central axis of the protective cylinder (8).

3. The colter hub unit structure of claim 2, wherein: The central axis of the protective cylinder (8) coincides with the central axis of the bearing (6), the outer side of the protective cylinder (8) is provided with a plurality of convex strips (11), the plurality of convex strips (11) are uniformly distributed in a ring shape about the central axis of the protective cylinder (8), and the convex strip (11) and the protective cylinder (8) are integrated.

4. The colter hub unit structure of claim 3, wherein: The outer side of one end of the connecting shaft (7) away from the bearing (6) is rotatably connected with a rack arm (12), and the end of the connecting shaft (7) is threadedly connected with a limiting ring (17).

5. The colter hub unit structure of claim 4, wherein: The side of the protective cylinder (8) close to the rack arm (12) is provided with a ring groove (13), and the central axis of the ring groove (13) coincides with the central axis of the protective cylinder (8), and the ring groove (13) and the rack arm (12) form a sliding structure through a sliding block.

6. The colter hub unit structure according to any one of claims 1 to 5, characterized in that: The outer side of the coulter disc (1) is fixedly connected with a plurality of mounting plates (14), both ends of the plurality of mounting plates (14) are provided with positioning holes (15) penetrating the mounting plates (14), and the plurality of mounting plates (14) are uniformly distributed in a ring shape about the central axis of the coulter disc (1).

7. The colter hub unit structure of claim 6, wherein: The end of the support shaft (2) away from the coulter disc (1) is threadedly connected with an end cover (16), the central axis of the end cover (16) coincides with the central axis of the support shaft (2), and one side of the end cover (16) away from the coulter disc (1) is a convex arc surface structure.

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