CN218598629U

CN218598629U - Shock-resistant high-precision large-torque gearbox bearing

Info

Publication number: CN218598629U
Application number: CN202222375100.5U
Authority: CN
Inventors: 姚洪平
Original assignee: Quzhou Xinsheng Bearing Co ltd
Current assignee: Quzhou Xinsheng Bearing Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-03-10
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a big moment of torsion gearbox bearing of high accuracy that shocks resistance relates to bearing technical field, has solved the bearing and has strikeed the problem that relies on self material hardness to carry out rigid withstand to vibrations, leads to bearing wear and tear speed to accelerate. The shock-resistant high-precision large-torque gearbox bearing comprises a ball frame; the middle part of the ball frame is slidably sleeved with a middle ball; the outer side of the middle ball is connected with the outer bearing ring in a sliding way; the inner sides of the middle balls are connected with the inner bearing ring in a sliding mode; the ball frame is provided with inner bristle plates in a surrounding array; the ball frame is provided with well dashpot at interval, and well dashpot middle part is fixed and is provided with buffering elastic ring, and well dashpot upper portion and lower part have all been seted up the ventilation hole, and the ventilation hole inboard is provided with the flabellum axle. This practical buffering elastic ring supports reseing after the dashpot compression deformation, and the reinforcing is to the shock resistance of big moment of torsion gearbox vibrations.

Description

Shock-resistant high-precision large-torque gearbox bearing

Technical Field

The utility model belongs to the technical field of the bearing, more specifically says, in particular to big moment of torsion gearbox bearing of high accuracy that shocks resistance.

Background

The friction coefficient in motion is reduced through the bearing in the gearbox, and the gyration precision is guaranteed through the bearing, and the bearing is the necessary spare part of gearbox.

When the gearbox carries out the variable speed because the meshing of gear change can produce a large amount of vibrations impact to the bearing, big moment of torsion gearbox is also bigger along with the increase of moment of torsion to the vibrations of bearing, in big moment of torsion gearbox uses, the bearing is still to rely on self material hardness to carry out the rigid impact of surviving to bigger vibrations impact, the bearing is at the shock wearing and tearing speed increase of impact, lead to the bearing life-span to reduce, the probability of going out the problem increases in the warranty period, increase after sale, the stable use in unfavorable big moment of torsion gearbox warranty period.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a big moment of torsion gearbox bearing of high accuracy shocks resistance, the vibrations of ball transmission when big moment of torsion gearbox uses are strikeed in buffering through well dashpot compressive deformation, and the buffer elastic ring supports resetting after the dashpot compressive deformation, and the reinforcing is to the shock resistance of big moment of torsion gearbox vibrations, reduces the wearing and tearing that the rigid impact of centering ball leads to, promotes the life-span of well ball.

The utility model discloses the purpose and the efficiency of big moment of torsion gearbox bearing of high accuracy of shocking resistance are reached by following specific technological means:

the shock-resistant high-precision large-torque gearbox bearing comprises a ball frame; the ball frame is provided with well dashpot at interval, well dashpot middle part is fixed and is provided with buffering elastic ring, ventilation hole has all been seted up to well dashpot upper portion and lower part, the ventilation hole inboard is provided with the fan blade axle, well dashpot is the array setting, well dashpot is in between the well ball, the ball frame is in between inner bearing ring and the outer bearing ring, the ventilation hole head end link up to the ball frame outside, the ventilation hole tail end link up to well dashpot inboard, fan blade axle head end and outer grid cover plate rotate to be connected, fan blade axle tail end and inner grid cover plate rotate to be connected, outer grid cover plate is fixed to be set up at the ventilation hole head end, inner grid cover plate is fixed to be set up at the ventilation hole tail end, outer grid cover plate and inner grid cover plate are provided with the grid hole of ventilating, ball frame middle part sliding sleeve is equipped with well ball, well ball outside and outer bearing ring sliding connection, well ball inboard and inner bearing ring sliding connection, the ball frame encircles the array and is provided with inner brush hair board, inner brush board tail end is fixed and is provided with tail end support brush hair spare, tail end support bullet brush spare, tail end support bullet brush spare and middle buffer groove fixed connection, inner brush spare, inner brush hair board sliding connection in inner brush groove, inner brush shell hair board sliding connection.

The utility model discloses at least, include following beneficial effect:

1. the utility model discloses a vibrations of ball transmission when big moment of torsion gearbox uses are strikeed in well dashpot compressive deformation buffering, and the reseing after the dashpot compressive deformation in the buffering elastic ring supports, and the reinforcing is to the shock resistance of big moment of torsion gearbox vibrations, reduces the wearing and tearing that the rigid impact of centering ball leads to, promotes the life-span of well ball for the condition that the bearing can not damage in the matter guarantor scope of big moment of torsion gearbox, reduce the cost after sale, promote product quality and public praise.

2. The utility model discloses the sweeps of bearing ring in the brush board clearance is supported to the tail when low-speed rotates, delays the condition that the friction consumption leads to well ball decline of precision, increase of service life, and when quick operation, centrifugal force is greater than the holding power that the tail supported the bullet, and interior brush board retreats and the separation of inner race, avoids interior brush board and inner race fast rotation to lead to the overheated condition of friction.

3. The utility model discloses produce the circulation of air when the flabellum axle rotates, promote the flow of air through the ventilation hole, temperature when ball rotates in the reduction reduces the influence of high temperature to the bearing precision, keeps the high accuracy of bearing.

Drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic cross-sectional view of the outer bearing ring of the present invention.

Fig. 3 is a schematic view of the structure of the ball frame of the present invention.

Fig. 4 is a schematic diagram of a magnified part of the structure in fig. 3.

Fig. 5 is a schematic view of the split structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a ball rack; 101. a middle buffer tank; 102. a buffer elastic ring; 103. a vent hole; 104. a fan blade shaft; 105. an outer grid cover plate; 106. an inner grid cover plate; 2. a middle ball; 3. an outer bearing ring; 4. an inner bearing ring; 5. an inner bristle plate; 501. the tail supports the spring.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," and "screwed" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 5:

the utility model provides a shock-resistant high-precision large-torque gearbox bearing, which comprises a ball frame 1; the ball frame 1 is provided with middle buffer grooves 101 at intervals, the middle part of the middle buffer groove 101 is fixedly provided with buffer elastic rings 102, the upper part and the lower part of the middle buffer groove 101 are respectively provided with a vent hole 103, the inner side of the vent hole 103 is provided with a fan blade shaft 104, the head end of the fan blade shaft 104 is rotationally connected with an outer grid cover plate 105, the tail end of the fan blade shaft 104 is rotationally connected with an inner grid cover plate 106, when the ball frame 1 rotates, the fan blade shaft 104 can also rotate along with the fan blade shaft 104, air circulation is generated when the fan blade shaft 104 rotates, the air flow is promoted through the vent holes 103, the temperature of the middle ball 2 during rotation is reduced, the influence of high temperature on the bearing precision is reduced, the outer grid cover plate 105 is fixedly arranged at the head end of the vent hole 103, the inner grid cover plate 106 is fixedly arranged at the tail end of the vent hole 103, the outer grid cover plate 105 and the inner grid cover plate 106 are provided with grid holes for ventilation, and the outer grid cover plate 105, the inner grid cover plate 106 and the ball frame 1 are kept flush; the middle part of the ball frame 1 is sleeved with a middle ball 2 in a sliding way; the outer side of the middle ball 2 is connected with the outer bearing ring 3 in a sliding way;

the inner sides of the middle balls 2 are connected with the inner bearing ring 4 in a sliding way; the ball frame 1 is provided with the inner brush plate 5 around the array, the tail end of the inner brush plate 5 is fixedly provided with the tail supporting spring piece 501, the tail supporting spring piece 501 is fixedly connected with the middle buffer groove 101, the inner brush plate 5 is arranged on two sides of the middle buffer groove 101 in a sliding mode, the head end of the inner brush plate 5 is provided with a brush structure, the tail supporting spring piece 501 supports the brush of the head end of the inner brush plate 5 and is in sliding contact with the inner bearing ring 4, when the bearing rotates at a low speed, the tail supporting spring piece 501 supports the inner brush plate 5 to clean scraps of the inner bearing ring 4, the condition that the precision of the middle ball 2 is reduced due to friction consumption is delayed, the service life and precision of the middle ball 2 are prolonged, the high precision of the bearing is maintained, when the bearing operates quickly, the centrifugal force is greater than the supporting force of the tail supporting spring piece 501, the inner brush plate 5 retreats, the brush of the head end of the inner brush plate 5 is separated from the inner bearing ring 4 and is not contacted any more, and the condition that the friction bearing ring is overheated due to the rotation of the inner brush plate 5 and the inner quick rotation is avoided.

The middle buffer groove 101 is arranged in an array mode, the middle buffer groove 101 is located between the middle balls 2, the ball frame 1 is located between the inner bearing ring 4 and the outer bearing ring 3, the balls 2 in compression deformation buffering of the middle buffer groove 101 transmit vibration impact when the high-torque gearbox is used, the elastic buffer ring 102 with the elastic circular ring structure supports the reset of the middle buffer groove 101 after compression deformation, the shock resistance of the bearing to the vibration of the high-torque gearbox is enhanced, abrasion caused by hard impact of the middle balls 2 is reduced, the service life of the middle balls 2 is prolonged, the condition that the bearing cannot be damaged in the quality protection range of the high-torque gearbox is ensured, the after-sale cost is reduced, the product quality and the public praise are improved, the condition that the balls 2 are abraded rapidly due to impact and the precision of the bearing is reduced, and the high precision of the bearing is maintained.

Wherein, the ventilation hole 103 head end link up to the ball frame 1 outside, and ventilation hole 103 tail end link up to well dashpot 101 inboard, and the air current flows to the ball frame 1 inside and outside through ventilation hole 103, dashpot 101 and buffering elastic ring 102 self temperature in reducing, and buffer 101 and buffering elastic ring 102 self overheat after frequent vibrations compression in avoiding leads to buffering and the decline of reset capability, leads to the circumstances that the dynamics of shocking resistance descends.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, install this bearing and use at the big moment of torsion gearbox, can produce a large amount of vibrations to the bearing because the meshing of gear changes when big moment of torsion gearbox changes speed, ball 2 receives in the compression deformation buffering of well dashpot 101 transmits vibrations when big moment of torsion gearbox uses and assaults, buffer elastic ring 102 that has elastic ring shape structure supports the reset after dashpot 101 compression deformation, strengthen the shock resistance to this bearing to big moment of torsion gearbox vibrations, reduce the wearing and tearing that the hard impact of centering ball 2 leads to, promote the life-span of well ball 2, make the condition that the bearing can not damage in the quality guarantee scope of big moment of torsion gearbox, reduce the cost after sale, promote product quality and public praise, avoid because of assaulting leading to well ball 2 rapid wear, the condition that the bearing precision descends fast, keep the high accuracy of bearing; when the ball frame 1 rotates, the fan blade shaft 104 can also rotate along with the rotation, air circulation is generated when the fan blade shaft 104 rotates, the air flow is promoted through the vent holes 103, the temperature of the middle ball 2 during rotation is reduced, the influence of high temperature on the bearing precision is reduced, the high precision of the bearing is maintained, air flow flows to the inner side and the outer side of the ball frame 1 through the vent holes 103, the temperature of the middle buffer groove 101 and the buffer elastic ring 102 is reduced, and the situation that the buffer capacity and the reset capacity are reduced due to self overheating of the middle buffer groove 101 and the buffer elastic ring 102 after frequent vibration compression, and the impact resistance is reduced is avoided;

when the bearing rotates at a low speed, the tail supports the sweeps of the inner brush plate 5 for cleaning the inner bearing ring 4, the friction consumption is delayed to lead to the condition of precision reduction of the middle ball 2, the service life and the precision of the ball 2 are changed in the process of prolonging the service life, the high precision of the bearing is kept, when the bearing operates quickly, the centrifugal force is greater than the supporting force of the tail support spring plate 501, the inner brush plate 5 retreats, the bristles at the head end of the inner brush plate 5 are separated from the inner bearing ring 4 and are not contacted any more, and the condition that the friction is overheated due to the quick rotation of the inner brush plate 5 and the inner bearing ring 4 is avoided.

The details of the present invention are well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Big moment of torsion gearbox bearing of high accuracy that shocks resistance, its characterized in that: the bearing comprises a ball frame (1); the middle part of the ball frame (1) is slidably sleeved with a middle ball (2); the outer side of the middle ball (2) is connected with the outer bearing ring (3) in a sliding way; the inner side of the middle ball (2) is connected with the inner bearing ring (4) in a sliding way; the ball frame (1) is provided with inner bristle plates (5) in a surrounding array manner; the ball frame (1) is provided with middle buffer grooves (101) at intervals, the middle parts of the middle buffer grooves (101) are fixedly provided with buffer elastic rings (102), the upper parts and the lower parts of the middle buffer grooves (101) are respectively provided with a ventilation hole (103), and the inner sides of the ventilation holes (103) are provided with fan blade shafts (104).

2. Anti-impact high-precision high-torque gearbox bearing according to claim 1, characterized in that the intermediate damping grooves (101) are arranged in an array, the intermediate damping grooves (101) being located between the intermediate balls (2) and the ball cage (1) being located between the inner bearing ring (4) and the outer bearing ring (3).

3. The shock-resistant high-precision high-torque gearbox bearing as recited in claim 1, wherein the head end of the vent hole (103) penetrates to the outside of the ball frame (1), and the tail end of the vent hole (103) penetrates to the inside of the middle buffer groove (101).

4. The shock-resistant high-precision high-torque gearbox bearing as recited in claim 1, wherein the head end of the fan blade shaft (104) is rotatably connected with the outer grid cover plate (105), and the tail end of the fan blade shaft (104) is rotatably connected with the inner grid cover plate (106).

5. The shock-resistant high-precision high-torque gearbox bearing as recited in claim 4, characterized in that said outer grid cover plate (105) is fixedly arranged at the head end of the ventilation hole (103), and the inner grid cover plate (106) is fixedly arranged at the tail end of the ventilation hole (103).

6. The shock-resistant high-precision high-torque gearbox bearing as claimed in claim 1, wherein a tail supporting spring member (501) is fixedly arranged at the tail end of the inner bristle plate (5), and the tail end of the tail supporting spring member (501) is fixedly connected with the middle buffer groove (101).

7. The anti-impact high-precision high-torque gearbox bearing as claimed in claim 6, characterized in that the inner bristle plate (5) is slidably arranged at two sides of the middle buffer groove (101), the head end of the inner bristle plate (5) is provided with a bristle structure, and the tail support elastic piece (501) supports the head end bristles of the inner bristle plate (5) to be in sliding contact with the inner bearing ring (4).