CN117432718A - A bearing seat with a vibration damping device - Google Patents

Abstract

The invention provides a bearing seat with a vibration damper, which comprises a mounting frame, wherein a mounting hole is formed in the mounting frame, a plurality of supporting springs are arranged in the mounting hole along the circumferential direction, each supporting spring comprises a first connecting part and a second connecting part, the first connecting parts are fixedly connected with the mounting hole, the second connecting parts are propped against the outer wall surface of a bearing outer ring, an elastic connecting part is arranged between the first connecting parts and the second connecting parts, an elastic limiting assembly is arranged on one side, close to a bearing, of the second connecting parts, each elastic limiting assembly comprises a limiting piece arranged on one side of the bearing and an elastic extrusion piece arranged on the other side of the bearing, and each elastic extrusion piece is inclined towards the direction of the limiting piece from the second connecting parts to the axial direction of the bearing. According to the bearing seat with the vibration damper, the elastic connecting part arranged between the first connecting part and the second connecting part is used for absorbing radial vibration of the bearing during operation, and the elastic extrusion sheet and the limiting sheet are matched to limit the axial position of the bearing and absorb the axial vibration of the bearing during operation.

Description

A bearing seat with a vibration damping device

Technical field

The present invention relates to the technical field of bearing seats, and in particular to a bearing seat with a vibration damping device.

Background technique

The bearing seat is a device that withstands the torque of the rotating shaft during rotation. The rotating shaft will produce varying degrees of vibration when rotating. Vibration will occur at the junction of the bearing and the bearing seat, causing the bearing seat and bearing to be easily used under vibration. Sprain each other. In the prior art, in order to avoid damage to bearings and bearing seats due to vibrations generated when the rotating shaft rotates, those skilled in the art have designed a variety of bearing seats with vibration damping functions. However, these bearing seats can only buffer the radial vibration of the rotating shaft. Unable to buffer the axial vibration of the rotating shaft, the bearing seat will still crack, affecting the normal production of the equipment.

Contents of the invention

The technical problem to be solved by this invention is: in order to overcome the problem that the bearing seat in the prior art can only buffer the radial vibration of the rotating shaft, but cannot buffer the axial vibration of the rotating shaft, the bearing seat will still crack, affecting the normal production of the equipment. To overcome the shortcomings, the present invention provides a bearing seat with a vibration damping device.

The technical solution adopted by the present invention to solve the technical problem is: a bearing seat with a vibration damping device, including a mounting frame, the mounting frame is provided with a mounting hole, and a plurality of supporting springs are provided in the mounting hole along the circumferential direction. The support spring includes a first connection part and a second connection part. The first connection part is fixedly connected to the mounting hole. The second connection part is against the outer wall surface of the bearing outer ring. The first connection part An elastic connection part for absorbing the radial vibration of the bearing is provided between the second connection part and the second connection part. An elastic limiting component is provided on the side of the second connecting part close to the bearing for absorbing the axial vibration of the bearing. The elastic limiting part The assembly includes a limiting piece provided on one side of the bearing and an elastic extruding piece provided on the other side of the bearing. The elastic extruding piece is inclined from the second connection part toward the bearing axis direction toward the limiting piece.

A plurality of support springs are installed in the installation holes and are fixedly connected to the installation holes. The plurality of second connecting parts cooperate with each other to form an installation space for installing the bearings; the bearings are stuck into the installation space through a plurality of mutually matching limiting pieces. The elastic extrusion piece limits the axial position of the bearing, and the elastic extrusion piece exerts a force on the bearing in the direction of the limiting piece. The elastic connection part provided between the first connection part and the second connection part can absorb the radial vibration when the bearing is working; the elastic extrusion piece can absorb the axial vibration when the bearing is working.

Furthermore, in order to absorb the radial vibration when the bearing is working and to facilitate the installation of the bearing on multiple support springs, the elastic connection part is made of elastic pieces, and one end of the elastic connection part is connected to the end of the first connection part. The other end of the elastic connection part is connected to the end of the second connection part, and a plurality of the elastic connection parts are provided on the same tapered surface.

Furthermore, one end of the elastic extrusion piece close to the limiting piece is provided with a bent portion for buckling the inner wall surface of the bearing outer ring.

Furthermore, in order to adapt to bearings with different width specifications, the limiting piece includes a limiting part and an adjusting part, and the limiting part and the adjusting part cooperate with each other to form an L-shaped structure. The second connecting part is provided with a slide along the length direction. The adjustment part is slidably connected to the chute. One side of the adjustment part is provided with a row of adjustment teeth. The tips of the adjustment teeth are inclined toward the direction of the limiter. The opening of the chute is provided with rotating teeth. , the latch is provided with a torsion spring that drives the latch to approach the adjusting tooth.

A row of adjustment teeth is provided through the adjustment part on the limit piece, and the torsion spring drives the teeth to snap between the teeth of the adjustment teeth. Since the tips of the adjustment teeth are inclined toward the direction of the limit part, after the adjustment part is inserted into the chute, The adjusting part cannot exit the chute, so that the limiting piece and the elastic extrusion piece cooperate with each other to limit the position of the bearing; in addition, because the elastic extrusion piece has a certain elasticity, it can absorb the axial vibration of the bearing during operation.

Furthermore, the latch teeth are provided with a pressing portion that drives the latch teeth away from the adjusting teeth. By pressing the pressing part of the latch teeth, the latch teeth are driven to rotate along the rotation center, and the latch teeth are moved away from the adjustment teeth to facilitate adjustment of the position of the limiting piece.

Furthermore, an annular airbag is embedded between the first connecting part and the elastic connecting part. The cross-section of the airbag is triangular. The airbag is filled with cooling oil. The top of the inner wall surface of the airbag is provided with a ball direction facing the bearing. Set the fuel injection hole.

The annular airbag is embedded between the first connecting part and the elastic connecting part to provide auxiliary support to the elastic connecting part. The bearing generates vibration during operation. When the elastic connection absorbs the radial vibration of the bearing, it will squeeze the air bag. After the air bag is squeezed, the cooling oil in the air bag is sprayed out from the oil injection hole. Since the cross section of the air bag is triangular, the oil injection hole is opened On the slope of the air bag, the cooling oil is sprayed from the side of the bearing onto the bearing balls to cool and lubricate the bearing.

Further, the air bag is adhesively connected to the first connecting part and the elastic connecting part, and the air bag is provided with an oil supply port.

The beneficial effects of the present invention are: the bearing seat with a vibration damping device provided by the present invention adopts an elastic connection part provided between the first connection part and the second connection part to absorb the radial vibration when the bearing is working, and elastically squeezes the bearing seat. The piece cooperates with the limit piece to limit the axial position of the bearing and absorb the axial vibration when the bearing is working; the support spring is auxiliary supported by the air bag to extend the service life of the support spring, and at the same time, the bearing is sprayed through the oil injection hole on the slope of the air bag. The balls spray cooling oil to cool and lubricate the bearings and extend the service life of the bearings.

Description of the drawings

The present invention will be further described below in conjunction with the accompanying drawings and examples.

Figure 1 is a schematic structural diagram of a preferred embodiment of the present invention;

Figure 2 is a schematic structural diagram of the cooperation between the bearing and the bearing seat;

Figure 3 is an enlarged schematic diagram of A in Figure 2;

Figure 4 is a schematic structural diagram of the cooperation between the bearing and the bearing seat;

Figure 5 is an enlarged schematic diagram of B in Figure 4;

Figure 6 is a schematic cross-sectional view of the support spring.

In the picture: 1. Mounting bracket, 11. Mounting hole, 2. Support spring, 21. First connection part, 22. Second connection part, 221. Slide groove, 23. Elastic connection part, 3. Bearing, 4. Elasticity Extrusion piece, 41. Bending part, 5. Limiting piece, 51. Limiting part, 52. Adjustment part, 521. Adjustment tooth, 6. Locking tooth, 61. Pressing part, 7. Air bag, 71. Fuel injection hole.

Detailed ways

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram that only illustrates the basic structure of the present invention in a schematic manner, so it only shows the structures related to the present invention.

As shown in Figures 1-6, a bearing seat with a vibration damping device of the present invention includes a mounting frame 1. The mounting frame 1 is provided with a mounting hole 11, and a plurality of supports are provided in the mounting hole 11 along the circumferential direction. Spring 2, the support spring 2 includes a first connecting part 21 and a second connecting part 22. The first connecting part 21 is fixedly connected to the mounting hole 11, and the second connecting part 22 is against the outer ring of the bearing 3. On the outer wall, an elastic connection part 23 is provided between the first connection part 21 and the second connection part 22 for absorbing the radial vibration of the bearing 3. The side of the second connection part 22 close to the bearing 3 is provided with an elastic connection part 23 for absorbing the radial vibration of the bearing 3. An elastic limiting component that absorbs axial vibration of the bearing 3. The elastic limiting component includes a limiting piece 5 provided on one side of the bearing 3 and an elastic extrusion piece 4 provided on the other side of the bearing 3. The elastic extrusion piece The piece 4 is inclined from the second connecting portion 22 toward the axis of the bearing 3 toward the limiting piece 5 . The elastic extrusion piece 4 is fixedly connected to the second connecting part 22 through screws, and can be partially replaced after the elastic extrusion piece 4 fails.

The elastic connection part 23 is made of elastic pieces. One end of the elastic connection part 23 is connected to the end of the first connection part 21, and the other end of the elastic connection part 23 is connected to the end of the second connection part 22. The first connection part 21. The elastic connection part 23 and the second connection part 22 form a Z-shaped support spring 2, and a plurality of the elastic connection parts 23 are provided on the same conical surface.

One end of the elastic extrusion piece 4 close to the limiting piece 5 is provided with a bent portion 41 for buckling the inner wall surface of the outer ring of the bearing 3 .

The limiting piece 5 includes a limiting part 51 and an adjusting part 52. The limiting part 51 and the adjusting part 52 cooperate with each other to form an L-shaped structure. The second connecting part 22 is provided with a chute 221 along the length direction, so The adjusting part 52 is slidingly connected to the chute 221. A row of adjusting teeth 521 is provided on one side of the adjusting part 52. The tooth tips of the adjusting teeth 521 are inclined toward the direction of the limiting part 51. There is a rotating device at the opening of the chute 221. A latch 6 is provided, and a torsion spring is provided on the latch 6 to drive the latch 6 close to the adjusting tooth 521 . The latch 6 is provided with a pressing portion 61 for driving the latch 6 away from the adjusting tooth 521 .

An annular airbag 7 is embedded between the first connecting part 21 and the elastic connecting part 23. The cross-section of the airbag 7 is triangular. The airbag 7 is filled with cooling oil. The top of the inner wall of the airbag 7 is provided with The oil injection hole 71 is provided toward the ball direction of the bearing 3. The air bag 7 is adhesively connected to the first connecting part 21 and the elastic connecting part 23, and is provided with an oil supply port.

Installation process:

Before installing the bearing 3, remove the limiting piece 5 from the slide groove 221 of the second connecting part 22, and then insert the bearing 3 from the side of the bearing seat away from the elastic extrusion piece 4 into each second connecting part 22 to surround it. In the formed installation space, before installing the bearing 3, the elastic connection part 23 is in a relaxed state, and the diameter of the installation space is smaller than the outer diameter of the bearing 3. Therefore, each elastic connection part 23 needs to be compressed one by one to embed the bearing 3 into the installation space; Bearing 3 After being installed into the installation space, insert the adjusting portion 52 of each limiting piece 5 into the chute 221, and push the bearing 3 toward the elastic extrusion piece 4 through the limiting portion 51. In order to prevent the installation position of the bearing 3 from being skewed, each limiting piece is The number of adjusting teeth 521 on the piece 5 that are stuck into the teeth 6 is the same; after the installation of the limiting piece 5 is completed, the air bag 7 is filled with cooling oil through the oil supply port.

Directions and references (eg, up, down, left, right, etc.) may be used herein only to aid in the description of features in the drawings. Therefore, the following detailed description is not to be taken in a limiting sense, and the scope of the claimed subject matter is defined solely by the appended claims and their equivalents.

Taking the above ideal embodiments of the present invention as inspiration and through the above description, relevant workers can make various changes and modifications without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content in the description, and must be determined based on the scope of the claims.

Claims (7)

1. A bearing housing with vibration damping means, characterized in that: including mounting bracket (1), be equipped with mounting hole (11) on mounting bracket (1), be equipped with a plurality of supporting springs (2) along circumference in mounting hole (11), supporting springs (2) are including first connecting portion (21) and second connecting portion (22), first connecting portion (21) and mounting hole (11) fixed connection, second connecting portion (22) support and locate on the outer wall of bearing (3) outer lane, be equipped with between first connecting portion (21) and second connecting portion (22) and be used for absorbing elastic connection portion (23) of bearing (3) radial vibration, one side that second connecting portion (22) are close to bearing (3) is equipped with the spacing subassembly of elasticity that is used for absorbing bearing (3) axial vibration, the spacing piece (5) of elasticity including locating bearing (3) one side and the elasticity extrusion piece (4) of locating bearing (3) opposite side, elasticity extrusion piece (4) are from second connecting portion (22) toward bearing (3) axis direction slope.

2. A bearing housing with vibration damping means as claimed in claim 1, wherein: elastic connection portion (23) adopts the shell fragment to make, elastic connection portion (23) one end and first connecting portion (21) end connection, elastic connection portion (23) other end and second connecting portion (22) end connection, a plurality of elastic connection portion (23) are located on the same conical surface.

3. A bearing housing with vibration damping means as claimed in claim 1, wherein: one end of the elastic extrusion sheet (4) close to the limiting sheet (5) is provided with a bending part (41) for buckling the inner wall surface of the outer ring of the bearing (3).

4. A bearing housing with vibration damping means as claimed in claim 3, wherein: spacing piece (5) are including spacing portion (51) and adjustment portion (52), spacing portion (51) and adjustment portion (52) mutually support and form L shape structure, second connecting portion (22) are equipped with spout (221) along length direction, adjustment portion (52) and spout (221) sliding connection, adjustment portion (52) one side is equipped with one row of regulation tooth (521), regulation tooth (521) prong is inclined towards spacing portion (51) direction, spout (221) opening part is equipped with rotates and is provided with latch (6), be equipped with the drive on latch (6) are close to the torsional spring of regulation tooth (521).

5. A bearing housing with vibration damping means as claimed in claim 4, wherein: the latch (6) is provided with a pressing part (61) for driving the latch (6) to be far away from the adjusting tooth (521).

6. A bearing housing with vibration damping means as claimed in claim 1, wherein: annular air bag (7) are embedded between first connecting portion (21) and elastic connection portion (23), air bag (7) cross-section is triangle-shaped, be full of cooling oil in air bag (7), air bag (7) internal face top is equipped with nozzle opening (71) that set up towards bearing (3) ball direction.

7. A housing having a vibration dampening device as defined in claim 6, wherein: the air bag (7) is connected with the first connecting part (21) and the elastic connecting part (23) in an adhesive mode, and an oil supplementing port is formed in the air bag (7).