Auxiliary plumbing arm shaft

Abstract

The utility model provides an auxiliary plumbing arm shaft which comprises a main shaft body, fixed shafts fixedly connected to the end portion of the main shaft body, a middle shaft arranged between the fixed shafts, an upper shaft body and a lower shaft body connected to the two sides of the middle shaft in an attached mode respectively, a sleeve shaft fixedly connected with the bottom of the lower shaft body, and a sealing mechanism arranged in the sleeve shaft and used for storing lubricating agents. The plumbing arm shaft is installed through the support composed of the middle shaft, the upper shaft body and the lower shaft body, stable transmission of the plumbing arm shaft is achieved by arranging the fixing shaft, the transmission stability can be improved, the fixing shaft is limited through the upper shaft body and the lower shaft body, and the problem that the plumbing arm shaft shakes during transmission is avoided; lubricant storage can be achieved, circulating conveying of the lubricant is achieved through rotation of the main shaft body, the sealing effect can be ensured by arranging the sealing mechanism at the bottom of the sleeve shaft, the contact position of the main shaft body and the support achieves the efficient lubricating effect, the abrasion problem of the plumbing arm shaft is solved, and the service life of the plumbing arm shaft is prolonged.

Description

Technical Field

[0001] The utility model relates to an auxiliary vertical arm shaft. Background Art

[0002] A cantilever shaft is a mechanical component that is usually used to support and transmit power. One end of the shaft is connected to a support, and the other end is suspended in the air and can rotate freely. The cantilever shaft is usually made of metal materials, such as steel or cast iron. It has high strength and rigidity and can withstand large loads and stresses. In mechanical transmission systems, cantilever shafts are often used to connect two mechanisms that are not in the same straight line to achieve power transmission and distribution. According to needs, the cantilever shaft can be designed into different shapes and sizes to meet different work requirements.

[0003] The vertical arm shaft is a mechanical component used for mechanical transmission. The vertical arm shaft needs to be installed on a support to realize transmission. When used for a long time, the amount of lubricant between the support and the vertical arm shaft will be reduced, which may easily lead to wear problems, reduce the service life of the vertical arm shaft, and make it difficult to ensure stable transmission. It may easily cause the vertical arm shaft to vibrate and other problems, reducing transmission stability. Utility Model Content

[0004] The utility model provides an auxiliary vertical arm shaft to solve the technical problem that the vertical arm shaft is prone to wear.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] The utility model provides an auxiliary drop arm shaft, comprising:

[0007] A main shaft body, wherein a fixed shaft is fixedly connected to the end of the main shaft body, an intermediate shaft is arranged between the fixed shafts, and an upper shaft body and a lower shaft body are respectively fitted and connected to the two sides of the intermediate shaft, and washers fitted to the intermediate shaft are embedded in the inner rings of the upper shaft body and the lower shaft body;

[0008] The sleeve shaft is fixedly connected to the bottom of the lower shaft body. Both the lower shaft body and the sleeve shaft are sleeved with the main shaft body, and a sealing mechanism for storing lubricant is provided inside the sleeve shaft.

[0009] In the technical solution, two parallel fixed shafts are provided at the end of the main shaft body, and evenly distributed guide grooves are opened on the top surface of the upper fixed shaft.

[0010] In the technical solution, the fixed shaft is located inside the upper shaft body and the lower shaft body respectively, and the fixed shaft is rotationally connected to the inside of the upper shaft body and the lower shaft body respectively.

[0011] In the technical solution, a plurality of evenly distributed balls are embedded on both sides of the intermediate shaft, and the balls are in contact with the surface of the fixed shaft respectively.

[0012] In the technical solution, the upper shaft body, the intermediate shaft and the lower shaft body are all inserted through a plurality of evenly distributed screw rods, the ends of the screw rods are threadedly connected to nuts, and the nuts are in contact with the surface of the lower shaft body.

[0013] In the technical solution, a slope is provided on the top surface of the upper shaft body, a channel for conveying lubricating liquid is provided on the inner ring of the upper shaft body, and the channel is correspondingly arranged above the guide groove.

[0014] In the technical solution, the main shaft body is respectively inserted through the intermediate shaft and the upper shaft body, and the main shaft body is rotationally connected to the upper shaft body and the intermediate shaft.

[0015] In the present technical solution, the cross-section of the sleeve shaft is a U-shaped structure, one side of the sleeve shaft is connected through a connecting pipe, the connecting pipe is fixedly connected to the top of the upper shaft body, and the top end of the connecting pipe extends to the inside of the inclined surface.

[0016] In the present technical solution, the sealing mechanism includes a sealing ring and a sealing ring, the sealing ring is fixedly connected to the bottom of the sleeve shaft, the sealing ring and the sealing ring are both sealingly sleeved with the surface of the main shaft body, the edge of the sealing ring is connected to the inside of the sleeve shaft through a number of springs, and the bottom of the sealing ring is fit-fittingly connected to the sealing ring.

[0017] In the technical solution, an impeller is fixedly connected to the bottom of the main shaft body, the impeller is located inside the sleeve shaft and is rotatably connected to the sleeve shaft, and the impeller is correspondingly arranged on one side of the connecting pipe.

[0018] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0019] The positive and progressive effects of the utility model are:

[0020] The auxiliary vertical arm shaft proposed above adopts a support composed of an intermediate shaft, an upper shaft body and a lower shaft body to install the vertical arm shaft, and realizes stable transmission of the vertical arm shaft by setting a fixed shaft, which can improve the transmission stability, and limit the fixed shaft by the upper shaft body and the lower shaft body to avoid the shaking of the vertical arm shaft during transmission. A sleeve shaft is set at the bottom of the support to realize lubricant storage, and the circulation of the lubricant is realized by the rotation of the main shaft body. A sealing mechanism is set at the bottom of the sleeve shaft to ensure the sealing effect and avoid lubricant leakage, so that the contact position between the main shaft body and the support can achieve efficient lubrication, reduce the wear of the vertical arm shaft, and increase the service life of the vertical arm shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0022] Figure 2This is a front view structural schematic diagram of the utility model.

[0023] Figure 3 It is a schematic diagram of the structure of the sleeve shaft viewed from above of the utility model.

[0024] Figure 4 It is a schematic diagram of the structure of the upper shaft body of the utility model viewed from above.

[0025] Description of Reference Numerals

[0026] 1. Main shaft body, 2. Fixed shaft, 3. Guide groove, 4. Impeller, 5. Intermediate shaft, 6. Upper shaft body, 7. Lower shaft body, 8. Screw, 9. Nut, 10. Inclined surface, 11. Channel, 12. Washer, 13. Ball, 14. Sleeve shaft, 15. Connecting pipe, 16. Sealing ring, 17. Spring, 18. Sealing ring. DETAILED DESCRIPTION

[0027] The present invention is further described below by way of embodiments, but the present invention is not limited to the scope of the embodiments.

[0028] like Figure 1-4 As shown, the auxiliary vertical arm shaft includes: In this technical solution,

[0029] A main shaft body 1, wherein a fixed shaft 2 is fixedly connected to the end of the main shaft body 1, an intermediate shaft 5 is arranged between the fixed shafts 2, and an upper shaft body 6 and a lower shaft body 7 are respectively fitted and connected to the two sides of the intermediate shaft 5, and washers 12 fitted to the intermediate shaft 5 are embedded in the inner circles of the upper shaft body 6 and the lower shaft body 7;

[0030] The sleeve shaft 14 is fixedly connected to the bottom of the lower shaft body 7. Both the lower shaft body 7 and the sleeve shaft 14 are sleeved with the main shaft body 1, and a sealing mechanism for storing lubricant is provided inside the sleeve shaft 14.

[0031] In the technical solution, two parallel fixed shafts 2 are provided at the end of the main shaft body 1, and the top surface of the upper fixed shaft 2 is provided with evenly distributed guide grooves 3.

[0032] In the present technical solution, the fixed shaft 2 is located inside the upper shaft body 6 and the lower shaft body 7 respectively, and the fixed shaft 2 is rotationally connected to the inside of the upper shaft body 6 and the lower shaft body 7 respectively.

[0033] In the technical solution, a plurality of evenly distributed balls 13 are embedded on both sides of the intermediate shaft 5 , and the balls 13 are in contact with the surface of the fixed shaft 2 respectively.

[0034] In the present technical solution, the upper shaft 6 , the intermediate shaft 5 and the lower shaft 7 are all penetrated and plugged with a plurality of evenly distributed screw rods 8 , the ends of the screw rods 8 are threadedly connected with nuts 9 , and the nuts 9 are in contact with the surface of the lower shaft 7 .

[0035] In the technical solution, a slope 10 is provided on the top surface of the upper shaft body 6 , and a channel 11 for conveying lubricating liquid is provided on the inner ring of the upper shaft body 6 , and the channel 11 is correspondingly arranged above the guide groove 3 .

[0036] In the present technical solution, the main shaft body 1 is respectively inserted through the intermediate shaft 5 and the upper shaft body 6 , and the main shaft body 1 is internally rotatably connected with the upper shaft body 6 and the intermediate shaft 5 .

[0037] In the present technical solution, the cross section of the sleeve shaft 14 is a U-shaped structure, one side of the sleeve shaft 14 is connected through a connecting pipe 15 , the connecting pipe 15 is fixedly connected to the top of the upper shaft body 6 , and the top end of the connecting pipe 15 extends to the inside of the inclined surface 10 .

[0038] In the present technical solution, the sealing mechanism includes a sealing ring 16 and a sealing ring 18. The sealing ring 16 is fixedly connected to the bottom of the sleeve shaft 14. Both the sealing ring 16 and the sealing ring 18 are sealingly sleeved with the surface of the main shaft body 1. The edge of the sealing ring 18 is connected to the inside of the sleeve shaft 14 through a plurality of springs 17, and the bottom of the sealing ring 18 is fittedly connected to the sealing ring 16.

[0039] In the present technical solution, an impeller 4 is fixedly connected to the bottom of the main shaft body 1 , the impeller 4 is located inside the sleeve shaft 14 and is rotatably connected to the sleeve shaft 14 , and the impeller 4 is correspondingly arranged on one side of the connecting pipe 15 .

[0040] When the present application is in use, the lower shaft body 7 and the sleeve shaft 14 are sleeved on the main shaft body 1, and the lower fixed shaft 2 is welded, and then the intermediate shaft 5 is sleeved on the main shaft body 1, and then the upper fixed shaft 2 is welded to complete the assembly, and the upper shaft body 6 is sleeved on the main shaft body 1 and the screw 8 passes through the upper shaft body 6, the intermediate shaft 5 and the lower shaft body 7, and the nut 9 is tightened to complete the installation. At this time, the ball 13 on the intermediate shaft 5 contacts the surface of the fixed shaft 2, and the sealing ring 18 is pulled downward by the elasticity of the spring 17, so that the sealing ring 18 is pressed against the sealing ring 16 to achieve extrusion sealing. At this time, the sealing ring 18 It undergoes elastic deformation and fits tightly with the surface of the main shaft body 1. When the main shaft body 1 rotates, it drives the impeller 4 to rotate inside the sleeve shaft 14, so that the lubricant stored in the sleeve shaft 14 is squeezed and enters the connecting pipe 15, so that the lubricant enters the inclined surface 10, and flows to the guide groove 3 through the channel 11. The centrifugal force generated when the fixed shaft 2 rotates is used to evenly disperse it to the interior of the upper shaft body 6, and flows back to the sleeve shaft 14 through the middle of the intermediate shaft 5 and the lower shaft body 7, so as to realize the circulation of the lubricant, achieve efficient lubrication, and ensure the service life of the vertical arm shaft.

[0041] The utility model is not limited to the above-mentioned embodiments. Any changes in shape or structure are within the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the utility model, but these changes and modifications are within the protection scope of the utility model.

Claims

1. An auxiliary vertical arm shaft, characterized in that: include: A main shaft body (1), wherein the end of the main shaft body (1) is fixedly connected to a fixed shaft (2), an intermediate shaft (5) is provided between the fixed shafts (2), and an upper shaft body (6) and a lower shaft body (7) are respectively fitted and connected on both sides of the intermediate shaft (5), and washers (12) fitted to the intermediate shaft (5) are embedded in the inner rings of the upper shaft body (6) and the lower shaft body (7); A sleeve shaft (14), the sleeve shaft (14) is fixedly connected to the bottom of the lower shaft body (7), the lower shaft body (7) and the sleeve shaft (14) are both sleeved with the main shaft body (1), and a sealing mechanism for storing lubricant is provided inside the sleeve shaft (14), the bottom of the main shaft body (1) is fixedly connected to an impeller (4), the impeller (4) is located inside the sleeve shaft (14) and is rotatably connected to the sleeve shaft (14), and the impeller (4) is correspondingly arranged on one side of the connecting pipe (15).

2. The auxiliary vertical arm shaft according to claim 1, characterized in that: Two parallel fixed shafts (2) are provided at the end of the main shaft body (1), and evenly distributed guide grooves (3) are provided on the top surface of the upper fixed shaft (2).

3. The auxiliary vertical arm shaft according to claim 2, characterized in that: The fixed shaft (2) is located inside the upper shaft body (6) and the lower shaft body (7), respectively, and the fixed shaft (2) is rotatably connected to the inside of the upper shaft body (6) and the lower shaft body (7), respectively.

4. The auxiliary drop arm shaft according to claim 1, characterized in that: A plurality of evenly distributed balls (13) are embedded on both sides of the intermediate shaft (5), and the balls (13) are in contact with the surface of the fixed shaft (2) respectively.

5. The auxiliary vertical arm shaft according to claim 1, characterized in that: The upper shaft (6), the intermediate shaft (5) and the lower shaft (7) are all inserted through a plurality of evenly distributed screw rods (8), the ends of the screw rods (8) are threadedly connected with nuts (9), and the nuts (9) are in contact with the surface of the lower shaft (7).

6. The auxiliary drop arm shaft according to claim 1, characterized in that: The top surface of the upper shaft body (6) is provided with an inclined surface (10), the inner ring of the upper shaft body (6) is provided with a channel (11) for conveying lubricating liquid, and the channel (11) is correspondingly arranged above the guide groove (3).

7. The auxiliary drop arm shaft according to claim 1, characterized in that: The main shaft body (1) is respectively inserted through the intermediate shaft (5) and the upper shaft body (6), and the main shaft body (1) is internally rotatably connected with the upper shaft body (6) and the intermediate shaft (5).

8. The auxiliary drop arm shaft according to claim 1, characterized in that: The sleeve shaft (14) has a U-shaped cross-section, one side of the sleeve shaft (14) is connected to a connecting pipe (15) through the sleeve shaft (14), the connecting pipe (15) is fixedly connected to the top of the upper shaft body (6), and the top end of the connecting pipe (15) extends to the inside of the inclined surface (10).

9. The auxiliary drop arm shaft according to claim 1, characterized in that: The sealing mechanism comprises a sealing ring (16) and a sealing ring (18); the sealing ring (16) is fixedly connected to the bottom of the sleeve shaft (14); the sealing ring (16) and the sealing ring (18) are both sealingly sleeved with the surface of the main shaft body (1); the edge of the sealing ring (18) is connected to the inside of the sleeve shaft (14) via a plurality of springs (17); and the bottom of the sealing ring (18) is closely connected to the sealing ring (16).

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