Encoder shaft mounting structure for gear box

Abstract

The utility model discloses an encoder shaft mounting structure for a gearbox. The encoder shaft mounting structure comprises a shaft; the shaft end baffle is installed at the end of the shaft, and a through opening is formed in the middle of the shaft end baffle; and the encoder shaft is arranged at the end part of the shaft and penetrates through the through hole, and the inner diameter of the through hole is greater than the outer diameter of the encoder. The encoder shaft is convenient to install and accurate in installation and positioning, ensures that the oil seal on the encoder shaft is not easy to damage, prolongs the service life of the oil seal, reduces the risk of oil leakage, and shortens the maintenance time of a gearbox.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to an encoder shaft installation structure for a gear box. Background Art

[0002] The encoder shaft for gearbox is optimized on the basis of the traditional encoder shaft for gearbox. The encoder shaft for gearbox plays a vital role, and it is the key component to realize the monitoring and control of the gearbox operation status. However, the traditional encoder shaft for gearbox has many shortcomings in installation positioning, oil seal protection and maintenance efficiency, such as inconvenient installation, low positioning accuracy, oil seal damage, etc. These problems often lead to reduced gearbox performance and increase the difficulty and time cost of maintenance. Utility Model Content

[0003] In view of the above-mentioned problems existing in the existing gearbox, the present invention aims to provide an encoder shaft mounting structure for the gearbox. The encoder shaft is easy to install and has precise installation positioning, which ensures that the oil seal on the encoder shaft is not easily damaged, extends the service life of the oil seal, reduces the risk of oil leakage, and shortens the maintenance time of the gearbox.

[0004] The specific technical solutions are as follows:

[0005] An encoder shaft mounting structure for a gear box, comprising:

[0006] axis;

[0007] A shaft end baffle, the shaft end baffle is installed at the end of the shaft, and the middle part of the shaft end baffle has a through opening;

[0008] An encoder shaft is installed at the end of the shaft and passes through the through-hole, and the inner diameter of the through-hole is larger than the outer diameter of the encoder shaft.

[0009] The above-mentioned encoder shaft installation structure for the gear box, wherein the end of the shaft has a groove, the end of the encoder shaft abuts against the groove, and the end of the encoder shaft is fixedly connected to the end of the shaft.

[0010] The above-mentioned encoder shaft installation structure for the gear box, wherein the encoder shaft is coaxially arranged with the shaft.

[0011] The above-mentioned encoder shaft mounting structure for a gearbox, wherein the encoder shaft comprises a mounting portion and a shaft body portion connected to each other;

[0012] The mounting portion is fixedly connected to the end of the shaft and extends into the through opening;

[0013] The shaft body is mounted on the mounting portion and passes through the through opening;

[0014] The shaft body portion is coaxially arranged with the mounting portion;

[0015] The inner diameter of the through-portion is larger than the outer diameter of the mounting portion, and the outer diameter of the mounting portion is larger than the outer diameter of the shaft body portion.

[0016] The above-mentioned encoder shaft mounting structure for the gearbox, wherein the mounting portion is fixedly connected to the end of the shaft by a plurality of fasteners;

[0017] A washer is disposed between the fastener and the mounting portion.

[0018] In the above-mentioned encoder shaft installation structure for the gear box, a bearing is installed on the outer periphery of the shaft, and the inner periphery of the bearing is limited by the shaft end baffle.

[0019] The above-mentioned encoder shaft installation structure for the gear box further includes: a box body, the box body has an opening, the outer periphery of the bearing is limited by the inner wall of the opening, and the shaft extends into the opening.

[0020] In the above-mentioned encoder shaft installation structure for a gear box, a transparent cover is installed on the box body, the transparent cover covers the opening, the encoder shaft passes through the transparent cover, and an oil seal is provided between the transparent cover and the encoder shaft.

[0021] The above-mentioned encoder shaft installation structure for the gear box, wherein the box body has a first step on the inner wall of the opening, and the outer periphery of the bearing is limitedly matched with the first step;

[0022] The outer circumference of the shaft is provided with a second step, and the inner circumference of the bearing is limitedly matched with the second step and the shaft end baffle.

[0023] In the above-mentioned encoder shaft installation structure for the gear box, the transparent cover is fixedly connected to the box body through the fastener, and the shaft end baffle is fixedly connected to the end of the shaft through the fastener.

[0024] Compared with the prior art, the above technical solution has the following positive effects:

[0025] The utility model tightly combines the encoder shaft with the shaft, and realizes efficient synchronous rotation through simple screw connection, which not only simplifies the structure but also enhances the overall stability of the gear box;

[0026] The utility model effectively saves the material cutting and processing costs by changing the positioning mode of the encoder shaft and the shaft, which not only reduces the material waste but also simplifies the manufacturing process, thereby improving the production efficiency;

[0027] The utility model helps to extend the service life of the oil seal by optimizing the positioning of the encoder shaft and the shaft, which not only improves the overall reliability of the gearbox, but also reduces the frequency of repairing and replacing the oil seal, thereby reducing operating costs;

[0028] Due to the improvement of the structure of the utility model, the maintenance time of the gear box is greatly shortened, and when the encoder shaft needs to be replaced or repaired, the operation can be performed more quickly and conveniently, thereby improving the overall reliability of the gear box. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the overall structure of an encoder shaft installation structure for a gear box of the utility model;

[0030] Figure 2 The utility model is a gear box encoder shaft installation structure Figure 1 Middle partial enlarged picture;

[0031] In the attached drawings: 1. shaft; 2. shaft end baffle; 3. encoder shaft; 4. through opening; 5. groove; 6. mounting portion; 7. shaft body; 8. fastener; 9. gasket; 10. bearing; 11. housing; 12. opening; 13. transparent cover; 14. oil seal; 15. first step; 16. second step; 17. slot. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0033] like Figure 1 and Figure 2 As shown, a preferred embodiment of an encoder shaft mounting structure for a gearbox is shown, comprising: a shaft 1, a shaft end baffle 2 and an encoder shaft 3, wherein the shaft end baffle 2 is mounted at the end of the shaft 1, and a through opening 4 is provided in the middle of the shaft end baffle 2, and the encoder shaft 3 is mounted at the end of the shaft 1, passing through the through opening 4, and the inner diameter of the through opening 4 is greater than the outer diameter of the encoder shaft 3.

[0034] Further, as a preferred embodiment, the end of the shaft 1 has a groove 5 , the end of the encoder shaft 3 abuts against the groove 5 , and the end of the encoder shaft 3 is fixedly connected to the end of the shaft 1 .

[0035] Further, as a preferred embodiment, the encoder shaft 3 is coaxially arranged with the shaft 1 .

[0036] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation methods and protection scope of the present invention.

[0037] The utility model also has the following implementation methods based on the above:

[0038] In further embodiments of the present invention, please continue to refer to Figure 1 and Figure 2 As shown, the encoder shaft 3 includes a mounting portion 6 and a shaft body portion 7 which are connected to each other.

[0039] In a further embodiment of the present invention, the mounting portion 6 is fixedly connected to the end of the shaft 1 and extends into the through opening 4 .

[0040] In a further embodiment of the present invention, the shaft portion 7 is mounted on the mounting portion 6 and passes through the through opening 4 .

[0041] In a further embodiment of the present invention, the shaft portion 7 and the mounting portion 6 are coaxially arranged.

[0042] In a further embodiment of the present invention, the inner diameter of the through opening 4 is larger than the outer diameter of the mounting portion 6 , and the outer diameter of the mounting portion 6 is larger than the outer diameter of the shaft portion 7 .

[0043] In a further embodiment of the present invention, the mounting portion 6 is fixedly connected to the end of the shaft 1 via a plurality of fasteners 8 .

[0044] In a further embodiment of the present invention, a washer 9 is disposed between the fastener 8 and the mounting portion 6 .

[0045] In a further embodiment of the present invention, a bearing 10 is installed on the outer periphery of the shaft 1 , and the inner periphery of the bearing 10 is limited by the shaft end baffle 2 .

[0046] In a further embodiment of the utility model, the encoder shaft mounting structure for the gearbox further includes: a box body 11 having an opening 12 , the outer periphery of the bearing 10 is limited by the inner wall of the opening 12 , and the shaft 1 extends into the opening 12 .

[0047] In a further embodiment of the utility model, a transparent cover 13 is installed on the box body 10 , the transparent cover 13 covers the opening 12 , the encoder shaft 3 passes through the transparent cover 13 , and an oil seal 14 is provided between the transparent cover 13 and the encoder shaft 3 .

[0048] Preferably, the outer side of the transparent cover 13 has a slot 17 , the oil seal 14 is installed in the slot 17 , and the oil seal 14 abuts against the encoder shaft 3 .

[0049] In a further embodiment of the present invention, the box body 11 has a first step 15 on the inner wall of the opening 12 , and the outer periphery of the bearing 10 is limitedly matched with the first step 15 .

[0050] In a further embodiment of the utility model, a second step 16 is provided on the outer periphery of the shaft 1 , and the inner periphery of the bearing 10 is limitedly matched with the second step 16 and the shaft end baffle 2 .

[0051] In a further embodiment of the utility model, the transparent cover 13 is fixedly connected to the box body 11 through the fastener 8 , and the shaft end baffle 2 is fixedly connected to the end of the shaft 1 through the fastener 8 .

[0052] Preferably, the fastener 8 is a screw or a bolt.

[0053] The utility model tightly combines the encoder shaft 3 with the shaft, and realizes efficient synchronous rotation through simple screw connection, which not only simplifies the structure but also enhances the overall stability of the gear box.

[0054] The utility model effectively saves material cutting and processing costs by changing the positioning mode of the encoder shaft 3 and the shaft 1, which not only reduces material waste but also simplifies the manufacturing process, thereby improving production efficiency.

[0055] The utility model helps to extend the service life of the oil seal by optimizing the positioning of the encoder shaft 3 and the shaft 1, which not only improves the overall reliability of the gearbox, but also reduces the frequency of repairing and replacing the oil seal, thereby reducing operating costs.

[0056] Due to the improvement of the structure of the utility model, the maintenance time of the gear box is greatly shortened, and when the encoder shaft needs to be replaced or repaired, the operation can be performed more quickly and conveniently, thereby improving the overall reliability of the gear box.

[0057] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An encoder shaft mounting structure for a gearbox, It is characterized in that include: axis; A shaft end baffle, the shaft end baffle is installed at the end of the shaft, and the middle part of the shaft end baffle has a through opening; An encoder shaft is installed at the end of the shaft and passes through the through-hole, and the inner diameter of the through-hole is larger than the outer diameter of the encoder shaft.

2. According to claim 1, the encoder shaft mounting structure for the gear box, It is characterized in that The end of the shaft has a groove, the end of the encoder shaft abuts against the groove, and the end of the encoder shaft is fixedly connected to the end of the shaft.

3. According to claim 1, the encoder shaft mounting structure for the gear box, It is characterized in that The encoder shaft is arranged coaxially with the shaft.

4. According to claim 3, the encoder shaft mounting structure for the gear box, It is characterized in that The encoder shaft comprises a mounting portion and a shaft body portion connected to each other; The mounting portion is fixedly connected to the end of the shaft and extends into the through opening; The shaft body is mounted on the mounting portion and passes through the through opening; The shaft body portion is coaxially arranged with the mounting portion; The inner diameter of the through-portion is larger than the outer diameter of the mounting portion, and the outer diameter of the mounting portion is larger than the outer diameter of the shaft body portion.

5. According to claim 4, the encoder shaft mounting structure for the gear box, It is characterized in that The mounting portion is fixedly connected to the end of the shaft via a fastener; A washer is disposed between the fastener and the mounting portion.

6. According to claim 5, the encoder shaft mounting structure for the gear box, It is characterized in that A bearing is installed on the outer periphery of the shaft, and the inner periphery of the bearing is limited by the shaft end baffle.

7. According to claim 6, the encoder shaft mounting structure for the gear box, It is characterized in that Also includes: The box body has an opening, the outer periphery of the bearing is limited by the inner wall of the opening, and the shaft extends into the opening.

8. According to claim 7, the encoder shaft mounting structure for the gear box, It is characterized in that A transparent cover is installed on the box body, the transparent cover covers the opening, the encoder shaft passes through the transparent cover, and an oil seal is arranged between the transparent cover and the encoder shaft.

9. According to claim 8, the encoder shaft mounting structure for the gear box, It is characterized in that The box body has a first step on the inner wall of the opening, and the outer periphery of the bearing is limitedly matched with the first step; The outer circumference of the shaft is provided with a second step, and the inner circumference of the bearing is limitedly matched with the second step and the shaft end baffle.

10. The encoder shaft mounting structure for a gear box according to claim 9, It is characterized in that The transparent cover is fixedly connected to the box body through the fastener, and the shaft end baffle is fixedly connected to the end of the shaft through the fastener.

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