Auxiliary mounting device for bearing pack

Abstract

The utility model discloses an auxiliary mounting device for a bearing pack, which comprises an upper baffle plate, a lower baffle plate and a lower baffle plate, the lower baffle is positioned at the lower end of the bearing pack; the screw rod penetrates through the bearing pack, downwards extends out of the lower baffle plate and upwards extends out of the upper baffle plate; the upper fastening nut is arranged on the upper portion of the lead screw in a sleeving mode and located on the upper side of the upper baffle. The lower fastening nut is arranged on the lower portion of the lead screw in a sleeving mode and located on the lower side of the lower baffle. Through the auxiliary mounting device, when equipment is assembled, the bearing pack and the auxiliary mounting device can be assembled into a whole in advance, the assembled whole is mounted on the bearing seat, and then the auxiliary mounting device is dismounted, so that the mounting precision of the bearing pack is improved, the precision of the equipment is ensured, and the service life of the bearing pack is ensured; and the assembling efficiency of the equipment can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tooling equipment, and in particular relates to an auxiliary installation device for a bearing group. Background Art

[0002] For some equipment with high precision requirements, the equipment needs to be completely disassembled during maintenance, and each component needs to be inspected and maintained to ensure the function of each component. For example, for the bearing group installed in the equipment, the bearing group needs to be removed from the bearing seat, and the bearing group needs to be disassembled into a sleeve, outer ring, ball, ball cage and inner ring. During assembly after maintenance, the outer ring, ball, ball cage, inner ring and bushing need to be installed on the bearing seat in sequence. The sequential installation on the bearing seat leads to low installation efficiency and prolonged maintenance time; and the installation accuracy is low, which is not conducive to the precise movement of the bearing group and affects the service life of the bearing group.

[0003] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0004] In view of the above-mentioned problems in the prior art, the utility model proposes an auxiliary installation device for a bearing group, which is used to be assembled with the bearing group into a whole, and the assembled whole is installed on the bearing seat, which is beneficial to improving the installation accuracy of the bearing group and the installation efficiency.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model adopts the following technical solutions:

[0006] An auxiliary installation device for a bearing group, comprising:

[0007] an upper baffle plate located at an upper end of the bearing assembly;

[0008] A lower baffle plate located at the lower end of the bearing assembly;

[0009] A screw rod passes through the bearing assembly and extends downward from the lower baffle plate and upward from the upper baffle plate;

[0010] An upper fastening nut, which is sleeved on the upper part of the screw rod and located on the upper side of the upper baffle;

[0011] A lower fastening nut is sleeved on the lower part of the screw rod and is located on the lower side of the lower baffle.

[0012] In some embodiments of the present application, the bearing group has a sleeve, the screw rod passes through the inner cavity of the sleeve, the upper baffle plate abuts against the upper end of the sleeve, and the lower baffle plate abuts against the lower end of the sleeve.

[0013] In some embodiments of the present application, an upper positioning platform which protrudes downward and is matched with the inner cavity of the sleeve is provided on the upper baffle, and the upper positioning platform is located in the inner cavity.

[0014] In some embodiments of the present application, a lower positioning platform that protrudes upward and is matched with the inner cavity of the sleeve is provided on the lower baffle, and the lower positioning platform is located in the inner cavity.

[0015] In some embodiments of the present application, the screw rod is coaxially arranged with the sleeve, the upper baffle plate is a circular plate coaxially arranged with the screw rod, and the lower baffle plate is a circular plate coaxially arranged with the screw rod.

[0016] In some embodiments of the present application, an upper through hole for the screw rod to pass through is opened on the upper baffle plate, and a lower through hole for the screw rod to pass through is opened on the lower baffle plate.

[0017] In some embodiments of the present application, the bearing group further includes a first bearing sleeved on the outside of the sleeve, a first slot for installing the first bearing is opened on the outside of the upper end of the sleeve, and the first bearing is installed at the first slot.

[0018] In some embodiments of the present application, the outer diameter of the upper baffle is smaller than the radial dimension of the bottom surface of the first slot.

[0019] In some embodiments of the present application, the first bearing comprises a first inner ring, a first outer ring, and a first retaining frame located between the first inner ring and the first outer ring; a first limiting support frame for preventing the first outer ring from falling out is provided on the upper baffle.

[0020] In some embodiments of the present application, the first limiting support frame has a first limiting column that can be abutted against the first outer ring, and a first support member connected to the upper baffle, and the first limiting column is arranged on the first support member.

[0021] In some embodiments of the present application, the first limiting column is arranged on the first supporting member so as to be adjustable up and down. The first limiting column is a threaded column, and a first threaded hole matching the first limiting column is arranged on the first supporting member.

[0022] In some embodiments of the present application, the axis of the first limiting column is arranged parallel to the axis of the screw rod.

[0023] In some embodiments of the present application, the bearing group further includes a second bearing sleeved on the outside of the sleeve, a second slot for installing the second bearing is opened on the outside of the lower end of the sleeve, and the second bearing is installed at the second slot.

[0024] In some embodiments of the present application, the outer diameter of the lower baffle is smaller than the radial dimension of the bottom surface of the second notch.

[0025] In some embodiments of the present application, the second bearing comprises a second inner ring, a second outer ring, and a second retaining frame located between the second inner ring and the second outer ring; and a second limiting support frame for preventing the second outer ring from falling out is provided on the lower baffle.

[0026] In some embodiments of the present application, the second limiting support frame has a second limiting column that can be abutted against the second outer ring, and a second support member connected to the lower baffle, and the second limiting column is arranged on the second support member.

[0027] In some embodiments of the present application, the second limiting column is arranged on the second supporting member so as to be adjustable up and down. The second limiting column is a threaded column, and a second threaded hole matching the second limiting column is provided on the second supporting member.

[0028] In some embodiments of the present application, the axis of the second limiting column is arranged parallel to the axis of the screw rod.

[0029] Compared with the prior art, the advantages and positive effects of the utility model are: through the auxiliary installation device, the bearing group and the auxiliary installation device can be assembled into a whole in advance when the equipment is assembled, and the assembled whole is installed on the bearing seat, and then the auxiliary installation device is disassembled, which is beneficial to improve the installation accuracy of the bearing group, ensure the accuracy of the equipment, and ensure the service life of the bearing group; and it is beneficial to improve the assembly efficiency of the equipment.

[0030] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become more clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, a brief introduction will be given below to the drawings required for use in the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 A structural schematic diagram of an embodiment of an auxiliary installation device for a bearing group proposed by the utility model;

[0033] Figure 2 for Figure 1 A schematic diagram of the structure of the auxiliary installation device;

[0034] Figure 3 for Figure 2 A schematic diagram of the structure of the middle and upper baffle;

[0035] Figure 4 for Figure 3 A schematic diagram of the structure from a side view;

[0036] Figure 5 for Figure 2 A schematic diagram of the structure of the middle and lower baffles;

[0037] Figure 6 for Figure 5 A schematic diagram of the structure from a side view;

[0038] Figure 7 for Figure 1 A schematic diagram of the structure from a side view;

[0039] Figure 8 for Figure 1 Schematic diagram of the structure of the middle bearing group;

[0040] Fig. 9 for Figure 8 Schematic diagram of the structure of the middle shaft sleeve;

[0041] Among them, the auxiliary installation device 100;

[0042] Screw rod 10;

[0043] Upper fastening nut 20;

[0044] Upper baffle 30; upper through hole 31; upper positioning platform 32; first limiting support frame 33; first support member 331; first limiting column 332;

[0045] Lower baffle 40; lower through hole 41; lower positioning platform 42; second limiting support frame 34; first support member 341; second limiting column 342;

[0046] Lower fastening nut 50;

[0047] Bearing set 200;

[0048] Bushing 210; first notch 211; second notch 212;

[0049] First bearing 220; first inner ring 221; first outer ring 222; first retainer 223; first ball 224;

[0050] The second bearing 230 ; the second inner ring 231 ; the second outer ring 232 ; the second retaining frame 233 ; and the second ball 224 . Implementation

[0051] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0052] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the positional relationships shown in the accompanying drawings, with the direction closer to the axis of the bearing group being "inside" and the opposite being "outside". The terms are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0053] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0055] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0056] See also Figure 1-Figure 8 , is an embodiment of an auxiliary installation device for a bearing group proposed by the utility model, an auxiliary installation device 100 for a bearing group comprises: a screw rod 10, an upper fastening nut 20, an upper baffle 30, a lower baffle 40 and a lower fastening nut 50, the upper baffle 30 is located at the upper end of the bearing group 200, and the lower baffle 50 is located at the lower end of the bearing group 200. The screw rod 10 passes through the bearing group 200, the screw rod 10 extends downward from the lower baffle 40 and extends upward from the upper baffle 30, the upper fastening nut 20 is sleeved on the upper part of the screw rod 10, and the upper fastening nut 20 abuts against the upper side of the upper baffle 30, so that the upper baffle 30 abuts against the upper end of the bearing group 200. The lower fastening nut 40 is sleeved on the lower part of the screw rod 10, and the lower fastening nut 40 abuts against the lower side of the lower baffle plate 40, so that the lower baffle plate 40 abuts against the lower end of the bearing group 200; the auxiliary installation device 100 and the bearing group 200 are installed as a whole.

[0057] In this embodiment, through the auxiliary installation device 100, the bearing group 200 and the auxiliary installation device 100 can be assembled into a whole in advance when the equipment is assembled, and the assembled whole is installed on the bearing seat. Thereafter, the auxiliary installation device 100 is disassembled. This is beneficial to improving the installation accuracy of the bearing group 200, ensuring the accuracy of the equipment, and ensuring the service life of the bearing group 200; and is beneficial to improving the assembly efficiency of the equipment.

[0058] In some embodiments of the present application, see Figure 1 and Figure 2 As shown, the bearing assembly 200 has a sleeve 210, the screw 10 passes through the inner cavity of the sleeve 210, the upper baffle 30 abuts against the upper end of the sleeve 210, and the lower baffle 40 abuts against the lower end of the sleeve 210; the auxiliary installation device 100 and the bearing assembly 200 are assembled into a whole.

[0059] In some embodiments of the present application, see Figure 2-Figure 4As shown, the screw 10 is coaxially arranged with the sleeve 210. In order to achieve the coaxiality after the screw 10 is fixed to the sleeve 210, the upper baffle 30 is set as a circular plate, and the upper baffle 30 is coaxially arranged with the screw 10; that is, an upper through hole 31 matching with the screw 10 is opened on the upper baffle 30, and the upper through hole 31 is coaxially arranged with the upper baffle 30; under the condition of ensuring that the upper baffle 30 is coaxial with the sleeve 210, the coaxiality of the upper through hole 31 and the sleeve 210 can be ensured. An upper positioning platform 32 protruding downward is provided on the upper baffle 30, and the upper positioning platform 32 is matched with the inner cavity of the sleeve 210, and the upper positioning platform 32 is located in the inner cavity; by setting the upper positioning platform 32, the upper baffle 30 and the sleeve 210 can be coaxial, so that the upper through hole 31 and the sleeve 210 are coaxially arranged.

[0060] In some embodiments of the present application, see Figure 2 , Figure 5 and Figure 6 As shown, the lower baffle 40 is a circular plate, and the lower baffle 40 is coaxially arranged with the screw 10; that is, a lower through hole 41 matching the screw 10 is opened on the lower baffle 40, and the lower through hole 41 is coaxially arranged with the lower baffle 40; when the lower baffle 40 is coaxial with the sleeve 210, the coaxiality of the lower through hole 41 and the sleeve 210 can be ensured. An upwardly protruding lower positioning platform 42 is provided on the lower baffle 40, and the lower positioning platform 42 is matched with the inner cavity of the sleeve 210, and the lower positioning platform 42 is located in the inner cavity; by providing the lower positioning platform 42, the coaxiality of the lower baffle 40 and the sleeve 210 can be achieved, and the coaxial arrangement of the lower through hole 41 and the sleeve 210 can be achieved. When the upper through hole 31 and the sleeve 210 are coaxially arranged, and the lower through hole 41 and the sleeve 210 are coaxially arranged, the screw 10 and the sleeve 210 are ensured to be coaxially arranged.

[0061] In some embodiments of the present application, the bearing assembly 200 further includes a first bearing 220 sleeved on the outside of the sleeve 210, a first notch 211 for mounting the first bearing 220 is provided on the outside of the upper end of the sleeve 210, and the first bearing 220 is mounted at the first notch 211. The outer diameter of the upper baffle 30 is smaller than the radial dimension of the bottom surface of the first notch 211.

[0062] In some embodiments of the present application, the first bearing 220 has a first inner ring 221, a first outer ring 222, a first retainer 223 located between the first inner ring 221 and the first outer ring 222, and a first ball 224 located in the first retainer 223; a first limiting support frame 33 for preventing the first outer ring 222 from escaping is provided on the upper baffle 30. The first bearing 220 is installed from the upper end of the sleeve 210 into the first notch 211, and the first inner ring 221, the first retainer 223 and the first outer ring 222 are installed in sequence.

[0063] In some embodiments of the present application, the first limiting support frame 33 has a first limiting column 332 that can abut against the first outer ring 222, and a first support member 331 connected to the upper baffle 30, and the first limiting column 332 is arranged on the first support member 331. The axis of the first limiting column 332 is arranged parallel to the axis of the screw rod 10.

[0064] In some embodiments of the present application, the first limiting column 332 can be adjusted up and down on the first support member 331, the first limiting column 332 adopts a threaded column, and a first threaded hole matching the first limiting column 332 is provided on the first support member 331; when the auxiliary installation device 100 installs different bearing groups 200, the upper and lower heights of the first limiting column 332 can be adjusted to achieve abutment against the unused first outer ring.

[0065] In some embodiments of the present application, the bearing assembly 200 further includes a second bearing 230 sleeved on the outside of the sleeve 210, a second notch 212 for mounting the second bearing 230 is provided on the outside of the lower end of the sleeve 210, and the second bearing 230 is mounted at the second notch 212. The outer diameter of the lower baffle 40 is smaller than the radial dimension of the bottom surface of the second notch 212.

[0066] In some embodiments of the present application, the second bearing 230 has a second inner ring 231, a second outer ring 232, a second retaining frame 233 located between the second inner ring 231 and the second outer ring 232, and a second ball 234 located in the second retaining frame 233; a second limiting support frame 34 is provided on the lower baffle plate 40 for preventing the second outer ring 232 from falling out.

[0067] In some embodiments of the present application, the second limiting support frame 34 has a second limiting column 342 that can abut against the second outer ring 232, and a second support member 341 connected to the upper baffle 30, and the second limiting column 342 is arranged on the second support member 341. The second limiting column 342 can be adjusted up and down on the second support member 341, and the second limiting column 342 adopts a threaded column, and a second threaded hole matching the second limiting column 342 is provided on the second support member 341. The axis of the second limiting column 342 is arranged parallel to the axis of the screw rod 10. When the auxiliary installation device 100 installs different bearing groups 200, the abutment against the unused second outer ring can be achieved by adjusting the up and down height of the second limiting column 342.

[0068] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the above embodiments, or to replace some of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions claimed to be protected by the present invention.

Claims

1. An auxiliary installation device for a bearing group, characterized in that: include: an upper baffle plate located at an upper end of the bearing assembly; A lower baffle plate located at the lower end of the bearing assembly; A screw rod passes through the bearing assembly and extends downward from the lower baffle plate and upward from the upper baffle plate; An upper fastening nut, which is sleeved on the upper part of the screw rod and located on the upper side of the upper baffle; A lower fastening nut is sleeved on the lower part of the screw rod and is located on the lower side of the lower baffle.

2. The auxiliary installation device according to claim 1, characterized in that: The bearing group has a shaft sleeve, the screw rod passes through the inner cavity of the shaft sleeve, the upper baffle plate abuts against the upper end of the shaft sleeve, and the lower baffle plate abuts against the lower end of the shaft sleeve.

3. The auxiliary installation device according to claim 2, characterized in that: An upper positioning platform which protrudes downwards and is matched with the inner cavity of the shaft sleeve is arranged on the upper baffle plate, and the upper positioning platform is located in the inner cavity.

4. The auxiliary installation device according to claim 2, characterized in that: The lower baffle is provided with a lower positioning platform which protrudes upward and is matched with the inner cavity of the shaft sleeve, and the lower positioning platform is located in the inner cavity.

5. The auxiliary installation device according to any one of claims 2 to 4, characterized in that: The bearing group also has a first bearing sleeved on the outside of the shaft sleeve. A first notch for mounting the first bearing is opened on the outside of the upper end of the shaft sleeve, and the first bearing is mounted at the first notch.

6. The auxiliary installation device according to claim 5, characterized in that: The first bearing comprises a first inner ring, a first outer ring, and a first retaining frame located between the first inner ring and the first outer ring; a first limiting support frame for preventing the first outer ring from falling out is provided on the upper baffle.

7. The auxiliary installation device according to claim 6, characterized in that: The first limiting support frame comprises a first limiting column which can be pressed against the first outer ring, and a first supporting member connected to the upper baffle, wherein the first limiting column is arranged on the first supporting member.

8. The auxiliary installation device according to claim 7, characterized in that: The first limiting column is arranged on the first supporting member so as to be adjustable up and down. The first limiting column is a threaded column, and a first threaded hole matching the first limiting column is arranged on the first supporting member.

9. The auxiliary installation device according to any one of claims 2 to 4, characterized in that: The bearing group also has a second bearing sleeved on the outside of the shaft sleeve. A second notch for mounting the second bearing is opened on the outside of the lower end of the shaft sleeve, and the second bearing is mounted at the second notch.

10. The auxiliary installation device according to claim 9, characterized in that: The second bearing comprises a second inner ring, a second outer ring, and a second retaining frame located between the second inner ring and the second outer ring; a second limiting support frame for preventing the second outer ring from falling out is provided on the lower baffle.

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