Mounting device and mounting method for circlip for shaft

Abstract

The invention discloses a shaft circlip installation device and method, and the device comprises a circlip installation device which comprises a base and an installation sleeve, the top of the base is provided with a handle column, the bottom of the base is provided with an assembly cavity, the installation sleeve is detachably installed on the base, and the inner side of the bottom of the installation sleeve is provided with a placement ring groove; a guide conical surface is arranged at the top of the guide centering column, a connecting cavity is formed in the bottom of the guide centering column, and a connecting stud is arranged in the connecting cavity and can extend into the threaded hole in the top of the shaft body to be connected and matched with the shaft body; the detection adjusting sleeve can be installed on the outer side of the base, a plurality of detection adjusting rods are annularly arranged on the outer side of the detection adjusting sleeve, the detection adjusting rods are distributed on the side face of the detection adjusting sleeve, and the detection adjusting rods are vertically and slidably connected with the detection adjusting sleeve; according to the installation device for the circlip for the shaft, the circlip for the shaft can be rapidly installed, installation is simple and rapid, and the installed circlip for the shaft can be detected and adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of circlip installation, and more particularly to an installation device and method for a shaft circlip installation. Background Art

[0002] At present, in the production process of new energy motors, elastic retaining rings for shafts are usually installed using circlip pliers. They are prone to breakage during installation and cannot be confirmed whether they are installed properly after installation. The installation process is difficult and requires experienced operators. The production efficiency is low and cannot meet the current fast-paced production. At the same time, the instability of the installation results affects the stability and safety of the structural assembly. Summary of the invention

[0003] In view of the deficiencies of the prior art, the present invention provides a shaft elastic circlip installation device, which can quickly install the shaft elastic circlip, has a simple and fast installation method, and can also detect and adjust the installed shaft elastic circlip.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A shaft circlip mounting device, comprising:

[0006] A retaining ring installation device, comprising a base and a mounting sleeve, wherein a handle column is arranged on the top of the base, an assembly cavity is arranged on the bottom of the base for the shaft body and the guide centering column to extend into, a plurality of first positioning structures are arranged in the assembly cavity, the mounting sleeve is detachably mounted on the base, and a placement ring groove for placing a shaft elastic retaining ring is arranged on the inner side of the bottom of the mounting sleeve;

[0007] A guide centering column, wherein the top of the guide centering column is provided with a guide cone surface, the bottom is provided with a connecting cavity, a connecting stud is provided in the connecting cavity, the connecting stud can extend into the threaded hole at the top of the shaft body and connect with the shaft body, and the outer side of the guide centering column is provided with a plurality of second positioning structures that cooperate with the first positioning structure;

[0008] A detection adjustment sleeve, which can be installed on the outside of the base, and a plurality of detection adjustment rods are arranged on the outer side of the detection adjustment sleeve, the plurality of detection adjustment rods are distributed on the side surface of the detection adjustment sleeve, the plurality of detection adjustment rods are vertically slidably connected with the detection adjustment sleeve, and a limiting block is arranged between the top of the detection adjustment rod and the detection adjustment sleeve, and when the limiting block contacts the detection adjustment sleeve, the top of the detection adjustment rod can be flush with the top of the detection adjustment sleeve.

[0009] Furthermore, the first positioning structure is a positioning convex strip, the second positioning structure is a positioning groove, a plurality of positioning convex strips are evenly distributed circumferentially in the assembly cavity, a plurality of positioning grooves are evenly distributed circumferentially on the outer side of the guide centering column, and a plurality of positioning convex strips can extend into a plurality of positioning grooves respectively.

[0010] Furthermore, an outer side of the machine base is provided with an external thread, an inner side of the mounting sleeve is provided with a first internal thread, and the mounting sleeve can be installed on the outer side of the base for threaded connection.

[0011] Furthermore, a second internal thread is provided on the inner side of the detection and adjustment sleeve, and the detection and adjustment sleeve thread can be installed on the outer side of the base for threaded connection.

[0012] Furthermore, a plurality of slide grooves are arranged on the outer side of the detection adjustment sleeve, and a sliding block is arranged on the side of the detection adjustment rod facing the detection adjustment sleeve, and the sliding block extends into the slide groove for sliding connection.

[0013] Furthermore, a limiting ring groove is arranged on the top of the detection adjustment sleeve, and the limiting block can extend into the limiting ring groove so that the top of the detection adjustment rod is flush with the top of the detection adjustment sleeve.

[0014] Furthermore, a contact block is provided at the bottom of the detection adjustment rod, and the horizontal projection area of ​​the contact block is larger than the horizontal projection area of ​​the detection adjustment rod.

[0015] A method for installing a shaft elastic retaining ring comprises the following steps:

[0016] S1. Connect the guide centering column to the threaded hole of the shaft body through the connecting stud, so that the guide centering column is installed on the top of the shaft body;

[0017] S2. Assemble the base and the mounting sleeve together, and then install the shaft in the placement ring groove at the bottom of the mounting sleeve using an elastic retaining ring;

[0018] S3, gradually insert the guide centering column and the shaft body into the assembly cavity in the base, and expand the inner diameter of the shaft elastic retaining ring through the guide cone surface of the guide centering column until it is consistent with the outer diameter of the installation position;

[0019] S4. When the inner diameter of the shaft elastic circlip is expanded to be consistent with the outer diameter of the installation position, and the guide cone surface is fully extended into the assembly wall, the positioning connection between the guide centering column and the base is completed through a number of positioning convex strips and a number of positioning grooves. Then, the handle column is held by hand, and the end of the handle column is knocked by the rubber cone at the same time, so that the shaft elastic circlip is displaced parallel to the shaft body until it is installed in place;

[0020] S5. After the installation of the shaft elastic retaining ring is completed, the base and the mounting sleeve are pulled out from the guide centering column and the outer side of the shaft body, and then the mounting sleeve is removed from the base, and the detection and adjustment sleeve is installed on the base;

[0021] S6. Put the base and the detection adjustment sleeve on the outside of the guide centering column and the shaft body, and at the same time complete the positioning connection between the guide centering column and the base through a number of positioning convex strips and a number of positioning grooves, and make a number of detection adjustment rods contact with the shaft elastic retaining rings, then observe whether the tops of the detection adjustment rods exceed the top of the detection adjustment sleeve. If some of the detection adjustment rods exceed, it means that the part is not installed in place, then use a rubber hammer to knock the detection adjustment rod that exceeds the place until the top of the detection adjustment rod that exceeds is flush with the top of the detection adjustment sleeve. When the tops of all the detection adjustment rods are flush with the top of the detection adjustment sleeve, it means that the shaft elastic retaining ring is installed in place, then remove the base and the detection adjustment sleeve and remove the guide centering column to complete the installation and detection adjustment.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention uses a base, a mounting sleeve and a guide centering column to connect with the shaft body, and the base, the mounting sleeve and the shaft body are centered and positioned. At the same time, the inner diameter of the shaft elastic retaining ring is enlarged so that the shaft elastic retaining ring can be preliminarily installed on the shaft body. Then, a rubber hammer is used to knock the base (handle column) so that the shaft elastic retaining ring can be stably translated, and finally the installation of the shaft elastic retaining ring is completed. The installation method is relatively simple and fast, and no collapse will occur during the installation process.

[0024] 2. The present invention uses a base, a detection and adjustment sleeve and a guide and centering column. After the elastic retaining ring for the shaft is installed, the base and the detection and adjustment sleeve are placed on the guide and centering column and the shaft body, and a plurality of detection and adjustment rods on the outside of the detection and adjustment sleeve are used to perform contact detection on the elastic retaining ring for the shaft. If the top of the detection and adjustment rod exceeds the limit, it indicates that the installation is in place, and the elastic retaining ring for the shaft can be adjusted by knocking the exceeded detection and adjustment rod. The detection and adjustment process is relatively simple and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0026] Figure 1 It is a schematic diagram of the connection between the base, the mounting sleeve, the guide centering column and the shaft body;

[0027] Figure 2 It is a schematic diagram of the connection between the base, the detection adjustment sleeve, the guide centering column and the shaft body;

[0028] Figure 3 It is a schematic diagram of the structure of the detection and adjustment sleeve;

[0029] Figure 4 is a schematic diagram of the structure of the base;

[0030] Figure 5 The structure diagram of the guide centering column Figure 1 ;

[0031] Figure 6 The structure diagram of the guide centering column Figure 2 .

[0032] The markings in the figure are: 1. Base; 101. Handle column; 102. Assembly cavity; 103. Positioning convex strip; 2. Mounting sleeve; 201. Placement ring groove; 3. Guide and centering column; 301. Connecting stud; 302. Positioning groove; 303. Guide cone; 4. Shaft; 5. Detection and adjustment sleeve; 501. Detection and adjustment rod; 502. Limit block; 503. Contact block. DETAILED DESCRIPTION

[0033] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present invention.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the present invention, "several" and "a number" mean two or more, unless otherwise clearly and specifically defined.

[0035] A shaft circlip mounting device, such as Figure 1-6 As shown, including:

[0036] The retaining ring installation device comprises a base 1 and a mounting sleeve 2, wherein the top of the base 1 is provided with a handle column 101, the bottom of the base 1 is provided with an assembly cavity 102 for the shaft body 4 and the guide centering column 3 to extend into, the assembly cavity 102 is provided with a plurality of first positioning structures, the mounting sleeve 2 is detachably mounted on the base 1, and the inner side of the bottom of the mounting sleeve 2 is provided with a placement ring groove 201 for placing a shaft elastic retaining ring;

[0037] A guide centering column 3, wherein a guide cone 303 is provided on the top of the guide centering column 3, and a connecting cavity is provided on the bottom. A connecting stud 301 is provided in the connecting cavity. The connecting stud 301 can extend into the threaded hole on the top of the shaft body 4 and connect with the shaft body 4. A plurality of second positioning structures cooperating with the first positioning structure are provided on the outer side of the guide centering column 3;

[0038] The detection adjustment sleeve 5 can be installed on the outside of the base 1, and a plurality of detection adjustment rods 501 are arranged on the outer side of the detection adjustment sleeve 5, and the plurality of detection adjustment rods 501 are distributed on the side surface of the detection adjustment sleeve 5, and the plurality of detection adjustment rods 501 are vertically slidably connected with the detection adjustment sleeve 5, and a limiting block 502 is arranged between the top of the detection adjustment rod 501 and the detection adjustment sleeve 5, and when the limiting block 502 contacts with the detection adjustment sleeve 5, the top of the detection adjustment rod 501 can be flush with the top of the detection adjustment sleeve 5.

[0039] Preferably, Figure 4-Figure 6 As shown, the first positioning structure is a positioning ridge 103, and the second positioning structure is a positioning groove 302. Several positioning ridges 103 are evenly distributed circumferentially in the assembly cavity 102, and several positioning grooves 302 are evenly distributed circumferentially on the outer side of the guide and centering column 3. Several positioning ridges 103 can extend into several positioning grooves 302 respectively.

[0040] Preferably, an outer side of the machine base is provided with an external thread, and an inner side of the mounting sleeve 2 is provided with a first internal thread, and the mounting sleeve 2 can be installed on the outer side of the base 1 for threaded connection.

[0041] Preferably, a second internal thread is provided on the inner side of the detection and adjustment sleeve 5 , and the detection and adjustment sleeve 5 can be threadedly installed on the outer side of the base 1 for threaded connection.

[0042] Preferably, a plurality of slide grooves are arranged on the outer side of the detection adjustment sleeve 5 , and a sliding block is arranged on the side of the detection adjustment rod 501 facing the detection adjustment sleeve 5 , and the sliding block extends into the slide groove for sliding connection.

[0043] Preferably, a limiting ring groove is provided on the top of the detection adjustment sleeve 5, and the limiting block 502 can extend into the limiting ring groove so that the top of the detection adjustment rod 501 is flush with the top of the detection adjustment sleeve 5, and the downward movement of the detection adjustment rod 501 is limited to ensure that the downward movement limit position of the detection adjustment rod 501 is that the top of the detection adjustment rod 501 is flush with the top of the detection adjustment sleeve 5.

[0044] Preferably, Figure 2 As shown, a contact block 503 is provided at the bottom of the detection adjustment rod 501, and the horizontal projection area of ​​the contact block 503 is larger than the horizontal projection area of ​​the detection adjustment rod 501, so that the contact block 503 contacts the elastic retaining ring for the shaft, so that the detection adjustment rod 501 and the elastic retaining ring for the shaft have enough contact area to detect and adjust the elastic retaining ring for the shaft.

[0045] A method for installing a shaft elastic retaining ring comprises the following steps:

[0046] S1, connect the guide centering column 3 to the threaded hole of the shaft body 4 through the connecting stud 301, so that the guide centering column 3 is installed on the top of the shaft body 4;

[0047] S2, assemble the base 1 and the mounting sleeve 2 together, and then install the shaft in the placement ring groove 201 at the bottom of the mounting sleeve 2 using an elastic retaining ring;

[0048] S3, gradually insert the guide centering column 3 and the shaft body 4 into the assembly cavity 102 in the base 1, and expand the inner diameter of the shaft elastic retaining ring through the guide cone surface 303 of the guide centering column 3 until it is consistent with the outer diameter of the installation position;

[0049] S4. When the inner diameter of the shaft elastic circlip is expanded to be consistent with the outer diameter of the installation position, and the guide cone surface 303 is fully inserted into the assembly wall, the positioning connection between the guide centering column 3 and the base 1 is completed through a plurality of positioning convex strips 103 and a plurality of positioning grooves 302. Then, the handle column 101 is held by hand, and the end of the handle column 101 is knocked by the rubber cone (the shaft body 4 is in a fixed state), so that the shaft elastic circlip is displaced parallel to the shaft body 4 until it is installed in place;

[0050] S5. After the installation of the shaft elastic circlip is completed, the base 1 and the mounting sleeve 2 are pulled out from the outside of the guide centering column 3 and the shaft body 4. Subsequently, the mounting sleeve 2 is removed from the base 1, and the detection and adjustment sleeve 5 is installed on the base 1;

[0051] S6. Put the base 1 and the detection and adjustment sleeve 5 on the outside of the guide and centering column 3 and the shaft body 4, and at the same time complete the positioning connection between the guide and centering column 3 and the base 1 through a number of positioning ridges 103 and a number of positioning grooves 302, and make a number of detection and adjustment rods 501 contact with the shaft elastic retaining ring, then observe whether the tops of the number of detection and adjustment rods 501 exceed the top of the detection and adjustment sleeve 5. If some of the detection and adjustment rods 501 exceed, it means that the part is not installed in place, then use a rubber hammer to knock the detection and adjustment rods 501 that exceed the part again until the top of the detection and adjustment rods 501 that exceed is flush with the top of the detection and adjustment sleeve 5. When the tops of all the detection and adjustment rods 501 are flush with the top of the detection and adjustment sleeve 5, it means that the shaft elastic retaining ring is installed in place, then remove the base 1 and the detection and adjustment sleeve 5 and remove the guide and centering column 3 to complete the installation and detection and adjustment.

[0052] advantage:

[0053] 1. The present invention uses a base 1, a mounting sleeve 2 and a guide centering column 3, and uses the guide centering column 3 to connect with the shaft body 4, and performs centering and positioning connection on the base 1, the mounting sleeve 2 and the shaft body 4. At the same time, the inner diameter of the shaft elastic retaining ring is enlarged so that the shaft elastic retaining ring can be preliminarily installed on the shaft body 4, and then the base 1 (handle column 101) is knocked with a rubber hammer, so that the shaft elastic retaining ring can be stably translated, and finally the installation of the shaft elastic retaining ring is completed. The installation method is relatively simple and fast, and no collapse will occur during the installation process.

[0054] 2. The present invention uses a base 1, a detection and adjustment sleeve 5 and a guide and centering column 3. After the elastic retaining ring for the shaft is installed, the base 1 and the detection and adjustment sleeve 5 are mounted on the guide and centering column 3 and the shaft body 4, and a plurality of detection and adjustment rods 501 on the outside of the detection and adjustment sleeve 5 are used to perform contact detection on the elastic retaining ring for the shaft. If the top of the detection and adjustment rod 501 exceeds the limit, it indicates that the shaft is installed in place, and the elastic retaining ring for the shaft can be adjusted by knocking the exceeding detection and adjustment rod 501. The detection and adjustment process is relatively simple and fast.

[0055] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A shaft circlip mounting device, characterized in that: include: A retaining ring installation device, comprising a base and a mounting sleeve, wherein a handle column is arranged on the top of the base, an assembly cavity is arranged on the bottom of the base for the shaft body and the guide centering column to extend into, a plurality of first positioning structures are arranged in the assembly cavity, the mounting sleeve is detachably mounted on the base, and a placement ring groove for placing a shaft elastic retaining ring is arranged on the inner side of the bottom of the mounting sleeve; A guide centering column, wherein the top of the guide centering column is provided with a guide cone surface, the bottom is provided with a connecting cavity, a connecting stud is provided in the connecting cavity, the connecting stud can extend into the threaded hole at the top of the shaft body and connect with the shaft body, and the outer side of the guide centering column is provided with a plurality of second positioning structures that cooperate with the first positioning structure; A detection adjustment sleeve, which can be installed on the outside of the base, and a plurality of detection adjustment rods are arranged on the outer side of the detection adjustment sleeve, the plurality of detection adjustment rods are distributed on the side surface of the detection adjustment sleeve, the plurality of detection adjustment rods are vertically slidably connected with the detection adjustment sleeve, and a limiting block is arranged between the top of the detection adjustment rod and the detection adjustment sleeve, and when the limiting block contacts the detection adjustment sleeve, the top of the detection adjustment rod can be flush with the top of the detection adjustment sleeve.

2. The shaft circlip installation device according to claim 1, characterized in that: The first positioning structure is a positioning convex strip, the second positioning structure is a positioning groove, a plurality of positioning convex strips are evenly distributed circumferentially in the assembly cavity, a plurality of positioning grooves are evenly distributed circumferentially outside the guide centering column, and a plurality of positioning convex strips can extend into a plurality of positioning grooves respectively.

3. The shaft circlip installation device according to claim 1, characterized in that: The outer side of the machine base is provided with an external thread, the inner side of the mounting sleeve is provided with a first internal thread, and the mounting sleeve can be installed on the outer side of the base for threaded connection.

4. The shaft circlip installation device according to claim 2, characterized in that: The inner side of the detection and adjustment sleeve is provided with a second internal thread, and the detection and adjustment sleeve thread can be installed on the outer side of the base for threaded connection.

5. The shaft circlip installation device according to claim 1, characterized in that: A plurality of slide grooves are arranged on the outer side of the detection adjustment sleeve, and a sliding block is arranged on the side of the detection adjustment rod facing the detection adjustment sleeve, and the sliding block extends into the slide groove for sliding connection.

6. The shaft circlip installation device according to claim 5, characterized in that: A limiting ring groove is arranged on the top of the detection adjustment sleeve, and the limiting block can extend into the limiting ring groove so that the top of the detection adjustment rod is flush with the top of the detection adjustment sleeve.

7. The shaft circlip installation device according to claim 5, characterized in that: A contact block is disposed at the bottom of the detection adjustment rod, and the horizontal projection area of ​​the contact block is larger than the horizontal projection area of ​​the detection adjustment rod.

8. A method for installing a shaft elastic retaining ring, characterized in that: The method of using a shaft elastic retaining ring installation device according to any one of claims 1 to 7 comprises the following steps: S1. Connect the guide centering column to the threaded hole of the shaft body through the connecting stud, so that the guide centering column is installed on the top of the shaft body; S2. Assemble the base and the mounting sleeve together, and then install the shaft in the placement ring groove at the bottom of the mounting sleeve using an elastic retaining ring; S3, gradually insert the guide centering column and the shaft body into the assembly cavity in the base, and expand the inner diameter of the shaft elastic retaining ring through the guide cone surface of the guide centering column until it is consistent with the outer diameter of the installation position; S4. When the inner diameter of the shaft elastic circlip is expanded to be consistent with the outer diameter of the installation position, and the guide cone surface is fully extended into the assembly wall, the positioning connection between the guide centering column and the base is completed through a number of positioning convex strips and a number of positioning grooves. Then, the handle column is held by hand, and the end of the handle column is knocked by the rubber cone at the same time, so that the shaft elastic circlip is displaced parallel to the shaft body until it is installed in place; S5. After the installation of the shaft elastic retaining ring is completed, the base and the mounting sleeve are pulled out from the guide centering column and the outer side of the shaft body, and then the mounting sleeve is removed from the base, and the detection and adjustment sleeve is installed on the base; S6. Put the base and the detection adjustment sleeve on the outside of the guide centering column and the shaft body, and at the same time complete the positioning connection between the guide centering column and the base through a number of positioning convex strips and a number of positioning grooves, and make a number of detection adjustment rods contact with the shaft elastic retaining rings, then observe whether the tops of the detection adjustment rods exceed the top of the detection adjustment sleeve. If some of the detection adjustment rods exceed, it means that the part is not installed in place, then use a rubber hammer to knock the detection adjustment rod that exceeds the place until the top of the detection adjustment rod that exceeds is flush with the top of the detection adjustment sleeve. When the tops of all the detection adjustment rods are flush with the top of the detection adjustment sleeve, it means that the shaft elastic retaining ring is installed in place, then remove the base and the detection adjustment sleeve and remove the guide centering column to complete the installation and detection adjustment.

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