CN216951337U - Anti-loosening device for fastening nut of bearing seat - Google Patents
Anti-loosening device for fastening nut of bearing seat Download PDFInfo
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- CN216951337U CN216951337U CN202220904985.0U CN202220904985U CN216951337U CN 216951337 U CN216951337 U CN 216951337U CN 202220904985 U CN202220904985 U CN 202220904985U CN 216951337 U CN216951337 U CN 216951337U
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- fastening nut
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- bearing
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Abstract
The utility model discloses a locking device for a fastening nut of a bearing seat, which comprises a fastening nut which is sleeved on the bearing seat and tightly supports a bearing, wherein a first locking groove is arranged on the outer circumference of the bearing seat; the axial locking structure is a locking bolt structure. The utility model has good structure reliability, can realize multi-dimensional anti-loosening and has high anti-loosening safety; the structure is simple, the investment cost is low, the implementation is easy, and the economic practicability is good; and the manufacture, the installation and the maintenance are very convenient, and the practicability is strong.
Description
Technical Field
The utility model relates to a locking device for a fastening nut of a bearing seat, and belongs to the technical field of crushing equipment.
Background
The traditional bearing is anti-loose by utilizing a bearing seat round nut to utilize an anti-loose pad clamped in the middle after locking, and overturning anti-loose teeth to prevent looseness. When the structure is used for locking, the anti-loosening pad is arranged between the bearing and the round nut, so that the anti-loosening pad is easily deformed and damaged under the influence of locking friction and extrusion of the nut; and when the bearing rotates at a high speed, under the influence of the torque at the rotating end edge of the part, periodic sexual stress acts on the anti-loosening pad, so that the anti-loosening pad fails to work, equipment damage is caused, heavy loss is caused, and the maintenance financial resources and the labor cost are increased.
SUMMERY OF THE UTILITY MODEL
In view of the above, the object of the present invention is to provide a locking device for a fastening nut of a bearing housing, which overcomes the disadvantages of the prior art.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a locking device for bearing frame fastening nut, includes the suit and supports the fastening nut of tight bearing on the bearing frame, be equipped with first anti-loosening groove on the outer circumference of bearing frame, be equipped with the second anti-loosening groove of lining up with first anti-loosening groove on the outer circumference of fastening nut, and be equipped with radial locking structure and the axial locking structure that links to each other with radial locking structure in two aligned anti-loosening grooves.
The radial locking structure is a clip structure clamped in the aligned first anti-loosening groove and the second anti-loosening groove.
The clip structure is a U-shaped clamping block matched with the width of the second anti-loosening groove of the fastening nut.
The axial locking structure is a locking bolt structure; the second anti-loosening groove and the clamp structure are provided with anti-loosening holes which are opposite in position and communicated with each other, so that the fastening nut and the clamp structure are fixedly connected to the bearing block through a locking bolt structure penetrating in the anti-loosening holes.
The radial anti-loosening holes pointing to the axis are formed in the second anti-loosening grooves and the clamp structures, or the axial loosening holes arranged along the axis direction are formed in the second anti-loosening grooves and the clamp structures, and the locking bolt structures penetrate through the radial anti-loosening holes or the axial loosening preventing holes to enable the fastening nuts and the clamp structures to be fixedly connected to the bearing block.
The locking bolt structure is a hexagon socket head cap screw.
The inner hexagon bolt is provided with a pin hole, a cotter pin is arranged in the pin hole, and the opening part of the cotter pin is abutted against the inner side wall of the second anti-loosening groove.
At least six second anti-loosening grooves are uniformly distributed on the outer circumference of the fastening nut, and at least one second anti-loosening groove is aligned with the first anti-loosening groove on the outer circumference of the bearing seat.
Compared with the prior art, the anti-loosening device for the fastening nut of the bearing seat disclosed by the utility model is used for improving the existing fastening nut, the outer circumference of the fastening nut is provided with a second anti-loosening groove aligned with the first anti-loosening groove on the bearing seat, a radial locking structure and an axial locking structure connected with the radial locking structure are arranged in the two aligned anti-loosening grooves, wherein the radial locking structure is a clip structure, and the clip structure is clamped into the anti-loosening groove to carry out radial locking; the axial locking structure is a locking bolt structure, anti-loosening holes which are communicated with each other are oppositely formed in the second anti-loosening groove and the clamp structure, and the fastening nut and the clamp structure are fixedly connected on the bearing block to be axially locked through the locking bolt structure penetrating in the anti-loosening holes. The locking bolt structure be hexagon socket head cap screw to the pinhole has been seted up on the hexagon socket head cap screw, penetrate the split pin on the hexagon socket head cap screw in order to prevent that it from moving back and lead to locking inefficacy, and then can realize omnirange, multidimension locking.
The beneficial effects of the utility model are:
(1) the utility model has good structure reliability, can realize multi-dimensional anti-loosening and has high anti-loosening safety;
(2) the structure is simple, the investment cost is low, the implementation is easy, the existing equipment and resources are fully utilized, the structure can be repeatedly used and accords with upward compatibility, downward compatibility and matching compatibility, the standardization is good, and the economic practicability is good;
(3) the bearing pedestal has good expandability, is compatible in a full series according to the specification of the bearing pedestal, is very convenient to manufacture, install and maintain, and has strong practicability.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic front structure diagram of a first embodiment of the present invention.
Fig. 2 is a schematic view of the cross-sectional structure a-a in fig. 1.
Fig. 3 is a schematic top view of fig. 1.
Fig. 4 is a schematic front structure diagram of a second embodiment of the utility model.
Fig. 5 is a schematic structural view of a section B-B in fig. 4.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1-5, a locking device for a bearing seat fastening nut comprises a fastening nut 1 which is sleeved on a bearing seat 2 and tightly supports a bearing 3, a first anti-loosening groove 201 is arranged on the outer circumference of the bearing seat 2, a second anti-loosening groove 101 aligned with the first anti-loosening groove 201 is arranged on the outer circumference of the fastening nut 1, and a radial locking structure and an axial locking structure connected with the radial locking structure are arranged in the two aligned anti-loosening grooves.
The radial locking structure is a clip structure 6 which is clipped in the aligned first anti-loose groove 201 and the second anti-loose groove 101.
The clip structure 6 is a U-shaped clip block matched with the width of the second anti-loosening groove 101 of the fastening nut, and has the advantages of simple structure, easy manufacture and low cost.
The axial locking structure is a locking bolt structure; the second anti-loosening groove 101 and the clip structure 6 are provided with anti-loosening holes which are opposite in position and communicated with each other, so that the fastening nut 1 and the clip structure 6 are fixedly connected on the bearing seat 2 through a locking bolt structure penetrating in the anti-loosening holes.
Radial anti-loosening holes 1.1 pointing to the axis are formed in the second anti-loosening groove 101 and the clip structures 6, and the locking bolt structures penetrate through the radial anti-loosening holes 1.1 to enable the fastening nuts 1 and the clip structures 6 to be fixedly connected to the bearing block 2.
Or the axial loosening hole 1.2 arranged along the axial direction is formed in the second loosening-proof groove 101 and the clamp structure 6, and the locking bolt structure is arranged in the axial loosening-proof hole 1.2 in a penetrating mode to enable the fastening nut 1 and the clamp structure 6 to be fixedly connected to the bearing seat 2.
The locking bolt structure is a hexagon socket head cap screw 4. Preferably, a pin hole is formed in the hexagon socket head cap screw 4, a cotter pin 5 is provided in the pin hole, and an opening portion of the cotter pin 5 is in contact with an inner side wall of the second anti-loosening groove 101. The socket head cap screw 4 and the cotter pin 5 are standard parts, and are easy to purchase and low in cost.
Six second anti-loosening grooves 101 are uniformly distributed on the outer circumference of the fastening nut 1 at least. Specifically, at least six second anti-loosening grooves 101 are provided in the fastening nut to ensure that at least one second anti-loosening groove 101 is aligned with the first anti-loosening groove 201 on the outer circumference of the bearing seat during installation. The existing round nut can be reformed, old parts can be completely utilized, and resource waste is avoided.
Installation process:
sleeving a fastening nut 1 on a bearing seat 2, tightly attaching to a bearing 3, after a specified torque is loaded, performing 1/8-1/4 (45-90 degrees) reverse loosening on the fastening nut 1 according to an assembly process, and enabling one second anti-loosening groove 101 in the fastening nut to be aligned with a first anti-loosening groove 201 in the bearing seat 2; the clamp structure 6 is clamped into the anti-loosening grooves of the two, and radial locking is carried out; finally, the hexagon socket head cap screw 4 is screwed into the anti-loosening hole to axially lock, in order to prevent the hexagon socket head cap screw 4 from reversely moving to cause anti-loosening failure, the cotter pin 5 penetrates into the hexagon socket head cap screw 4, the cotter pin 5 is opened according to rules, and the hexagon socket head cap screw 4 cannot perform complete-circle screwing-out movement due to the fact that the cotter pin 5 is limited by the inner side wall of the anti-loosening groove 101 in the anti-loosening groove 101 of the fastening nut. Therefore, the anti-loosening device can achieve all-directional and multi-dimensional anti-loosening.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention without departing from the technical spirit of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a locking device for bearing frame fastening nut, includes suit on bearing frame (2) and support fastening nut (1) of tight bearing (3), be equipped with first anti-loosening groove (201), its characterized in that on the outer circumference of bearing frame (2): and a second anti-loosening groove (101) aligned with the first anti-loosening groove (201) is formed in the outer circumference of the fastening nut (1), and a radial locking structure and an axial locking structure connected with the radial locking structure are arranged in the two aligned anti-loosening grooves.
2. A looseness prevention device for a bearing housing fastening nut according to claim 1, wherein: radial locking structure is the checkpost structure (6) of joint in first locking groove (201), the second locking groove (101) that align.
3. A looseness prevention device for a bearing housing fastening nut according to claim 2, wherein: the clip structure (6) is a U-shaped clip block matched with the width of the second anti-loosening groove (101) of the fastening nut.
4. A looseness prevention device for a bearing housing fastening nut according to claim 1, wherein: the axial locking structure is a locking bolt structure; anti-loosening holes which are opposite in position and mutually communicated are formed in the second anti-loosening groove (101) and the clamp structure (6), so that the fastening nut (1) and the clamp structure (6) are fixedly connected to the bearing seat (2) through a locking bolt structure penetrating in the anti-loosening holes.
5. A looseness prevention device for a bearing housing fastening nut according to claim 1, wherein: radial anti-loosening holes (1.1) of the directional axis are formed in the second anti-loosening grooves (101) and the clip structures (6), or axial loosening holes (1.2) arranged along the axis direction are formed in the second anti-loosening grooves, and the locking bolt structures penetrate through the radial anti-loosening holes (1.1) or the axial loosening holes (1.2) to enable the fastening nuts (1) and the clip structures (6) to be fixedly connected to the bearing seats (2).
6. A looseness prevention device for a bearing housing fastening nut according to claim 5, wherein: the locking bolt structure is a hexagon socket head cap screw (4).
7. A lock device for a bearing housing fastening nut as claimed in claim 6, characterized in that: a pin hole is formed in the inner hexagonal bolt (4), a split pin (5) is arranged in the pin hole, and the opening part of the split pin (5) is abutted against the inner side wall of the second anti-loosening groove (101).
8. The anti-loosening device for a bearing housing fastening nut as claimed in any one of claims 1 to 7, wherein: six second anti-loosening grooves (101) are uniformly distributed on the outer circumference of the fastening nut (1), and at least one second anti-loosening groove is aligned with the first anti-loosening groove (201) on the outer circumference of the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220904985.0U CN216951337U (en) | 2022-04-19 | 2022-04-19 | Anti-loosening device for fastening nut of bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220904985.0U CN216951337U (en) | 2022-04-19 | 2022-04-19 | Anti-loosening device for fastening nut of bearing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951337U true CN216951337U (en) | 2022-07-12 |
Family
ID=82300830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220904985.0U Active CN216951337U (en) | 2022-04-19 | 2022-04-19 | Anti-loosening device for fastening nut of bearing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951337U (en) |
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2022
- 2022-04-19 CN CN202220904985.0U patent/CN216951337U/en active Active
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