Damping self-lubricating bearing seat of speed reducer

By designing the shock absorption mechanism of shock-absorbing damping springs and buffering air cushions in the reducer, combined with the automatic lubrication system, the problem of insufficient axial stress in the bearing seat in the existing technology is solved, and a comprehensive shock absorption protection and lubrication effect is achieved. .

CN222185475UActive Publication Date: 2024-12-17SHANGHAI ARVID CORP LTD
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Patent Information

Application Number
CN202421120288.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2024-12-17
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The existing shock-absorbing self-lubricating bearing seats are not effective when dealing with the axial stress of the bearing seat, resulting in axial friction between the rotating shaft and the bearing seat, affecting the normal use of the equipment.

Method used

A reducer shock-absorbing self-lubricating bearing seat including upper bearing seat, lower bearing seat and base is designed. Axial and radial shock-absorbing buffering is achieved through shock-absorbing damping springs and cushioning air cushioning, and is used to perform the fuel tank. Automatic oil replenishment and lubrication.

Benefits of technology

The comprehensive shock-absorbing and buffering protection of the bearing body is achieved, ensuring the normal operation of the equipment, and improving the use effect through automatic lubrication.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of bearing seats, in particular to a shock-absorbing self-lubricating bearing seat of a speed reducer, which comprises an upper bearing seat, a lower bearing seat and a base, a bearing body is clamped and mounted between the upper bearing seat and the lower bearing seat, an oil tank is mounted at the top of the upper bearing seat, and the oil tank is connected with a cylindrical oil inlet hole arranged at the upper part of the upper bearing seat in a matching manner; the bottom end of the lower bearing seat is connected with a first disc through a vertical column, the bottom end of the first disc is connected with a second disc through a plurality of damping springs, a first annular groove is formed in the inner wall of the upper portion of the base, a plurality of buffering air cushions are installed in the first annular groove, and damping buffering is conducted on the lower bearing seat and the upper bearing seat in the vertical direction through the damping springs. The first disc is subjected to damping and buffering protection in the horizontal direction through the buffering air cushion, the all-directional damping and buffering protection function on the bearing body is achieved, the bearing body is automatically supplemented with oil for lubrication in cooperation with the oil tank, and the using effect is better.
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Description

Technical Field

[0001] The utility model relates to the technical field related to bearing seats, in particular to a vibration-damping self-lubricating bearing seat for a reducer. Background Art

[0002] The bearing seat is used to install and fix the bearing and can withstand a certain supporting force. It can be divided into split bearing seats, sliding bearing seats, rolling bearing seats, flanged bearing seats, outer spherical bearing seats, etc. With the development of science and technology, the use of bearing seats is becoming more and more extensive, and the bearing seat technology has made great progress, and its types and quantities are also increasing day by day.

[0003] Most of the existing shock-absorbing and self-lubricating bearing seats only consider the radial force of the bearing seat and ignore the axial force of the bearing seat. Therefore, most of them do not have radial shock absorption settings for the bearing seat. When in use, the shaking of the equipment may easily cause axial friction between the rotating shaft and the bearing seat, thereby affecting the normal use of the equipment. For this reason, technical personnel in this field have proposed a speed reducer shock-absorbing and self-lubricating bearing seat to solve the problems raised in the above background. Utility Model Content

[0004] The purpose of the utility model is to provide a vibration-absorbing self-lubricating bearing seat for a reducer to solve the problems raised in the above-mentioned background technology.

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

[0006] The top end of the upper gear is provided with a toothed groove, and the bottom end of the toothed groove is provided with a toothed groove, and the toothed groove is provided with a toothed groove, and the toothed groove is provided with a toothed groove.

[0007] As a further solution of the utility model: two adjacent buffer air cushions are connected via a connecting pipe, and the inner cavities of a plurality of buffer air cushions are interconnected via the connecting pipe.

[0008] As a further solution of the utility model: a second annular groove is provided on the lower inner wall of the base, the second annular groove is connected to the inner bottom surface of the base, an annular gasket is installed in the second annular groove, the outer wall of the annular gasket is fitted with the inner wall of the second annular groove, and the inner wall of the annular gasket is fitted with the outer wall of the second disc.

[0009] As a further solution of the utility model: the annular pad is made of sponge material.

[0010] As a further solution of the utility model: the top and side of the oil tank are respectively provided with a adding pipe and a replacement pipe, the bottom end of the oil tank is connected to an oil pipeline, an electric control valve is provided at the connection between the inner bottom surface of the oil tank and the top end of the oil pipeline, and the bottom end of the oil pipeline is inserted into the cylindrical oil inlet hole.

[0011] As a further solution of the utility model: the outer wall of the bottom end of the oil tank is connected with a mounting plate, and the mounting plate is detachably mounted on the top of the upper bearing seat.

[0012] The utility model has the following advantages: the bearing seat uses a shock-absorbing and damping spring to perform vertical shock absorption and buffering on the lower bearing seat and the upper bearing seat, and uses a buffer air cushion to perform horizontal shock absorption and buffering protection on the first disc, thereby realizing an all-round shock absorption and buffering protection function for the bearing body, and at the same time, the oil tank is used to automatically replenish oil and lubricate the bearing body, thereby achieving a better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall internal structure of an embodiment of the utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the annular pad in the embodiment of the utility model.

[0015] Figure 3 It is a top view of the first disc in the embodiment of the utility model.

[0016] In the figure: base-1, upper bearing seat-2, lower bearing seat-3, bearing body-4, vertical column-5, first disc-6, second disc-7, shock-absorbing damping spring-8, first annular groove-9, buffer air cushion-10, connecting pipe-11, second annular groove-12, annular pad-13, oil tank-14, mounting plate-15, adding pipe-16, replacement pipe-17, electric control valve-18, oil pipeline-19, cylindrical oil inlet hole-20, bolt-21. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0018] Example 1: Please refer to Figure 1 , Figure 3 A speed reducer damping self-lubricating bearing seat, comprising an upper bearing seat 2, a lower bearing seat 3 and a base 1, a bearing body 4 is clamped and installed between the upper bearing seat 2 and the lower bearing seat 3, the upper bearing seat 2 and the lower bearing seat 3 are connected by bolts 21, a cylindrical oil inlet hole 20 is provided on the upper part of the upper bearing seat 2, the lower end of the cylindrical oil inlet hole 20 extends to the top of the bearing body 4, an oil tank 14 is installed on the top of the upper bearing seat 2, the bottom of the oil tank 14 cooperates with the cylindrical oil inlet hole 20, and the lower bearing seat 3 is connected to the upper end of the upper bearing seat 2. The bottom end is connected to a vertical column 5, and the bottom end of the vertical column 5 is connected to a first disc 6. The bottom end of the first disc 6 is connected to the top end of the second disc 7 through a number of evenly distributed shock-absorbing damping springs 8. The second disc 7 is installed on the inner bottom surface of the base 1. The upper inner wall of the base 1 is provided with a first annular groove 9. A number of buffer air cushions 10 are evenly distributed on the inner circumference of the first annular groove 9. One end of the buffer air cushion 10 is against the outer periphery of the first disc 6, and the other end of the buffer air cushion 10 is against the inner wall of the first annular groove 9.

[0019] See also Figures 1 to 3 The two adjacent buffer air cushions 10 are connected by a connecting pipe 11, and the inner cavities of the buffer air cushions 10 are mutually connected through the connecting pipe 11. In this embodiment, a second annular groove 12 is provided on the lower inner wall of the base 1, and the second annular groove 12 is connected to the inner bottom surface of the base 1. An annular pad 13 is installed in the second annular groove 12, and the outer wall of the annular pad 13 is in contact with the inner wall of the second annular groove 12, and the inner wall of the annular pad 13 is in contact with the outer wall of the second disc 7, and the annular pad 13 is made of sponge material.

[0020] Example 2: See Figure 1 On the basis of the first embodiment, the top and side of the oil tank 14 are respectively provided with a adding pipe 16 and a replacement pipe 17, the bottom end of the oil tank 14 is connected with an oil delivery pipe 19, and an electric control valve 18 is provided at the connection between the inner bottom surface of the oil tank 14 and the top end of the oil delivery pipe 19. The bottom end of the oil delivery pipe 19 is inserted into the cylindrical oil inlet hole 20, and the inner wall of the cylindrical oil inlet hole 20 is in contact with the outer wall of the oil delivery pipe 19.

[0021] See also Figure 1 The outer wall of the bottom end of the oil tank 14 is connected with a mounting plate 15, and the mounting plate 15 is detachably mounted on the top of the upper bearing seat 2. The electric control valve 18 is connected to an external control circuit to meet usage requirements.

[0022] Working principle: When in use, lubricating oil is added to the oil tank 14 through the adding pipe 16, and the lubricating oil can be discharged through the replacement pipe 17 for replacement. When the lubricating oil needs to be supplemented, the electric control valve 18 opens and delivers an appropriate amount of lubricating oil to the oil pipe 19, and the lubricating oil is delivered to the cylindrical oil inlet hole 20 through the oil pipe 19, and finally the lubricating oil is delivered to the position of the bearing body 4 for lubrication. When the upper bearing seat 2 or the lower bearing seat 3 is vibrated, the vertical vibration is buffered by the shock-absorbing damping spring 8, and the horizontal vibration is buffered by the first disc 6 squeezing the buffer air cushion 10 and the second disc 7 squeezing the annular pad 13.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A speed reducer damping self-lubricating bearing seat, comprising an upper bearing seat, a lower bearing seat and a base, characterized in that: A bearing body is clamped and installed between the upper bearing seat and the lower bearing seat, and the upper bearing seat and the lower bearing seat are connected by bolts, and the upper part of the upper bearing seat is provided with a cylindrical oil inlet hole, and the lower end of the cylindrical oil inlet hole extends to the top of the bearing body, and an oil tank is installed on the top of the upper bearing seat, and the bottom of the oil tank cooperates with the cylindrical oil inlet hole. The bottom end of the lower bearing seat is connected to a vertical column, and the bottom end of the vertical column is connected to a first disk, the bottom end of the first disk is connected to the top end of the second disk through a number of evenly distributed shock-absorbing damping springs, and the second disk is installed on the inner bottom surface of the base, and the upper inner wall of the base is provided with a first annular groove, and a number of buffer air cushions are evenly distributed on the inner circumference of the first annular groove, one end of the buffer air cushion is against the outer periphery of the first disk, and the other end of the buffer air cushion is against the inner wall of the first annular groove.

2. The vibration-absorbing self-lubricating bearing seat of a reducer according to claim 1, characterized in that: Two adjacent buffer air cushions are connected via a connecting pipe, and the inner cavities of a plurality of buffer air cushions are interconnected via the connecting pipe.

3. The vibration-absorbing self-lubricating bearing seat of a reducer according to claim 1, characterized in that: A second annular groove is provided on the lower inner wall of the base, the second annular groove is connected to the inner bottom surface of the base, an annular gasket is installed in the second annular groove, the outer wall of the annular gasket is in contact with the inner wall of the second annular groove, and the inner wall of the annular gasket is in contact with the outer wall of the second disc.

4. The vibration-absorbing self-lubricating bearing seat of a reducer according to claim 3, characterized in that: The annular pad is made of sponge material.

5. The vibration-absorbing self-lubricating bearing seat of a reducer according to claim 1, characterized in that: The top and side of the oil tank are respectively provided with a adding pipe and a replacing pipe, the bottom of the oil tank is connected with an oil delivery pipe, an electric control valve is provided at the connection between the inner bottom surface of the oil tank and the top of the oil delivery pipe, and the bottom end of the oil delivery pipe is inserted into the cylindrical oil inlet hole.

6. The vibration-absorbing self-lubricating bearing seat of a reducer according to claim 5, characterized in that: The outer wall of the bottom end of the oil tank is connected with a mounting plate, and the mounting plate is detachably mounted on the top of the upper bearing seat.