Efficient self-aligning connecting shaft mechanism

Abstract

The utility model relates to the technical field of connecting shafts, and discloses an efficient self-aligning connecting shaft mechanism which comprises a bearing seat, a middle thrust self-aligning roller bearing assembly is arranged at the top of the bearing seat, a bearing body is arranged on the inner wall of the middle thrust self-aligning roller bearing assembly, and a top driving shaft lower shaft head is arranged on the outer wall of the bearing body. The bearing body can bear axial and radial loads through the middle thrust self-aligning roller bearing assembly, meanwhile, rolling cones, retainers, inner rings and outer rings are arranged in the middle thrust self-aligning roller bearing assembly, sliding friction is replaced by rolling friction formed between the rolling cones and raceways of the inner rings and the outer rings, friction and abrasion are reduced, and the service life of the bearing body is prolonged. When the bearing main body is subjected to axial force, through the structure of the bearing seat, the middle thrust self-aligning roller bearing assembly, the lower shaft head of the top driving shaft and the lower shaft head pressing plate, the bearing has the remarkable advantage that the axis can be automatically adjusted, so that the situation of blockage between shafts is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a technology field of connecting shaft, concretely is a kind of efficient automatic aligning connecting shaft mechanism. BACKGROUND

[0002] Automatic aligning connecting shaft mechanism is a kind of mechanical device for connecting two shafts and allowing a certain angular misalignment in transmission system, which can transmit torque and motion between two shafts while compensating axial, radial and angular displacement of two shafts.

[0003] The existing automatic aligning connecting shaft mechanism can automatically adjust the jamming between shafts during use, but the effect of traditional aligning mechanism is not good, which leads to unstable operation of the mechanism, increases mechanical wear, reduces the service life of the equipment, and may cause noise and vibration problems. At the same time, it cannot automatically add lubricating oil, which may cause damage to the equipment due to overheating of the bearing during operation of the connecting shaft machine, thereby reducing the service life of the equipment. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides an efficient automatic aligning connecting shaft mechanism, which has the advantages of good aligning between shafts and protection of bearings, and solves the problems raised in the above background technology.

[0005] The utility model provides the following technical scheme: an efficient automatic aligning connecting shaft mechanism, comprising a bearing seat, an intermediate thrust aligning roller bearing assembly is arranged on the top of the bearing seat, a bearing body is arranged on the inner wall of the intermediate thrust aligning roller bearing assembly, a top driving shaft lower shaft head is arranged on the outer wall of the bearing body, a lubricating oil groove is formed in the outer wall of the bearing body, an installation groove is formed in the top of the bearing seat, an oil storage groove is formed in the outer wall of the bearing body, one end of the spring is fixedly assembled to the inner wall of the oil storage groove, the other end of the spring is fixedly assembled to the limiting block, an oil outlet is formed in the bottom of the inner wall of the oil storage groove, and a lower shaft head pressing plate is fixedly assembled to the bottom of the bearing body.

[0006] As a preferred technical scheme of the utility model: the intermediate thrust aligning roller bearing assembly comprises an inner ring, a retainer is arranged on the outer wall of the inner ring, and a roller cone is rotatably connected to the inner wall of the retainer.

[0007] As a preferred technical scheme of the utility model: the bearing seat is fixedly assembled to the bearing body through the installation groove, and the installation groove is formed in the outer wall of the bearing seat, the bearing body and the top driving shaft lower shaft head.

[0008] As a preferred technical scheme of the utility model: the retainer is located between the inner ring and the outer ring, and the limiting block is matched with the inner wall of the oil storage groove.

[0009] As a preferred technical scheme of the utility model: the outer ring is connected with the retainer in clearance fit, and the inner ring is tightly connected with the retiner in interference fit.

[0010] As a preferred technical scheme of the utility model: the oil groove is communicated with the oil outlet, and the lower shaft head pressing plate is adapted to the inner wall of the bearing seat.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The efficient automatic aligning shaft coupling mechanism, the intermediate thrust aligning roller bearing assembly enables the bearing body to automatically adjust the relative position of the roller and the raceway while bearing axial and radial load, reduces the wear caused by concentricity error, the intermediate thrust aligning roller bearing assembly is internally provided with a roller cone, a retainer, an inner ring and an outer ring, the rolling friction formed between the roller cone and the raceways of the inner ring and the outer ring replaces the sliding friction, reduces the friction and wear, when the bearing body is subjected to axial force, the roller cone and the inner ring and the outer ring can move relatively, automatically aligning, ensuring smooth operation, reducing noise and vibration, the bearing seat, the intermediate thrust aligning roller bearing assembly, the lower shaft head of the top driving shaft and the lower shaft head pressing plate have the obvious advantages that they can automatically adjust the shaft center, ensure that the equipment maintains the best centering state during operation, so that the shafts do not appear to be stuck.

[0013] 2. The efficient automatic aligning shaft coupling mechanism, when the bearing body is working, the lubricating oil in the oil storage groove is pressed against the limiting block through centrifugal force when the bearing body rotates at high speed, the limiting block slowly moves on the inner wall of the oil storage groove under the pressure, the slot of the oil outlet is leaked when the limiting block moves, the lubricating oil in the oil storage groove flows into the inner wall of the oil groove through the slot of the oil outlet, and the lubricating oil flows into the inner wall of the intermediate thrust aligning roller bearing assembly from the inner wall of the oil groove, so that the intermediate thrust aligning roller bearing assembly is protected from damage due to excessive friction when rotating at high speed, and the intermediate thrust aligning roller bearing assembly is protected, and when the bearing body stops working, the elastic potential energy of the spring is released, so that the spring drives the limiting block to return to the initial state to seal the oil outlet. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a bearing structure schematic view of the utility model;

[0016] Figure 3 It is a lower shaft head pressing plate structure schematic view of the utility model;

[0017] Figure 4 It is the oil groove structure schematic view of the utility model;

[0018] Figure 5 It is the utility model Figure 4 The enlarged structure schematic view of A place in the middle.

[0019] In the drawing: 1, bearing seat; 2, intermediate thrust self-aligning roller bearing assembly; 3, top driven shaft lower shaft head; 4, lower shaft head pressing plate; 5, bearing main body; 6, oil groove; 7, mounting groove; 8, limit block; 9, oil storage groove; 10, spring; 11, oil outlet;

[0020] 201, inner ring; 202, outer ring; 203, retainer; 204, roller cone. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figure 1 - Figure 5 An efficient automatic self-aligning shaft coupling mechanism, comprising a bearing seat 1, the top of the bearing seat 1 is provided with an intermediate thrust self-aligning roller bearing assembly 2, the inner wall of the intermediate thrust self-aligning roller bearing assembly 2 is provided with a bearing main body 5, the outer wall of the bearing main body 5 is provided with a top driven shaft lower shaft head 3, the outer wall of the bearing main body 5 is provided with an oil groove 6, the top of the bearing seat 1 is provided with a mounting groove 7, the outer wall of the bearing main body 5 is provided with an oil storage groove 9, one end of the spring 10 is fixedly assembled to the inner wall of the oil storage groove 9, the other end of the spring 10 is fixedly assembled with a limit block 8, the inner wall bottom of the oil storage groove 9 is provided with an oil outlet 11, and the bottom of the bearing main body 5 is fixedly assembled with a lower shaft head pressing plate 4.

[0023] In the structure, the bearing of the whole mechanism is supported by the bearing seat 1 to ensure the stability and correct position of the bearing, the intermediate thrust self-aligning roller bearing assembly 2 bears the axial load and allows the shaft to self-align within a certain angle range to reduce the additional load caused by poor shaft alignment, the top driven shaft lower shaft head 3 connects the driven shaft and the mechanism to transmit torque and power, the lower shaft head pressing plate 4 fixes the lower shaft head to prevent displacement during operation and ensure the stability of the mechanism operation, during operation, when the bearing body 5 is in a high-speed rotating state, the lubricating oil in the oil storage groove 9 applies pressure to the limiting block 8 by centrifugal force, causing the limiting block 8 to slowly move on the inner wall of the oil storage groove 9 after being subjected to pressure, during the movement of the limiting block 8, the slot of the oil outlet 11 is gradually exposed, so that the lubricating oil in the oil storage groove 9 can flow into the inner wall of the oil groove 6 through the slot of the oil outlet 11, and then guide the lubricating oil to flow into the inner wall of the intermediate thrust self-aligning roller bearing assembly 2 for necessary lubrication, which effectively avoids damage to the intermediate thrust self-aligning roller bearing assembly 2 due to excessive friction during high-speed rotation, and realizes the protection of the intermediate thrust self-aligning roller bearing assembly 2, at the same time, when the bearing body 5 stops working, the elastic potential energy stored by the spring 10 is released, thereby driving the spring 10 to drive the limiting block 8 to return to the initial state and reseal the oil outlet 11.

[0024] In a preferred embodiment: the intermediate thrust self-aligning roller bearing assembly 2 comprises an inner ring 201, the outer wall of the inner ring 201 is provided with a retainer 203, the inner wall of the retainer 203 is rotationally connected with a roller cone 204, and the outer wall of the roller cone 204 is provided with an outer ring 202.

[0025] In the above structure, the intermediate thrust self-aligning roller bearing assembly 2 enables the bearing body 5 to automatically adjust the relative position of the rollers and the raceway under the condition of simultaneously bearing axial and radial loads, thereby effectively reducing wear caused by concentricity errors. Inside the intermediate thrust self-aligning roller bearing assembly 2, there are rolling cones 204, retainers 203, inner rings 201, and outer rings 202. The rolling friction formed between the rolling cones 204 and the raceways of the inner rings 201 and the outer rings 202 replaces sliding friction, thereby significantly reducing friction and wear. When the bearing body 5 is subjected to an axial force, the rolling cones 204 can move relative to the inner rings 201 and the outer rings 202, achieving automatic alignment and ensuring smooth operation and reducing noise and vibration. The structure composed of the bearing seat 1, the intermediate thrust self-aligning roller bearing assembly 2, the top driven shaft lower shaft head 3, and the lower shaft head pressing plate 4 has the significant advantage of automatically adjusting the shaft position, ensuring that the equipment always maintains the best alignment during operation, thereby significantly improving the stability of the equipment operation. This stability not only reduces noise caused by mechanical vibration but also effectively reduces wear on other parts of the equipment, prolonging the service life of key components such as bearings. At the same time, the maintenance and replacement of parts of the automatic alignment shaft structure become more convenient, greatly reducing maintenance costs and downtime. It can adapt to various complex working environments and ensure high efficiency and stable performance of the equipment under various conditions.

[0026] In a preferred embodiment: the bearing seat 1 is fixedly assembled with the bearing body 5 through the installation slot 7, and the installation slot 7 is respectively arranged on the outer walls of the bearing seat 1, the bearing body 5, and the top driven shaft lower shaft head 3.

[0027] In the above structure, the installation slot 7 is used to facilitate the connection of the bearing seat 1 and the bearing body 5, making the bearing seat 1 and the bearing body 5 more stable during use. The installation slot 7 is arranged on the outer walls of the bearing seat 1, the top driven shaft lower shaft head 3, and the bearing body 5, limiting the bearing seat 1, the top driven shaft lower shaft head 3, and the bearing body 5.

[0028] In a preferred embodiment: the retainer 203 is located between the inner ring 201 and the outer ring 202, and the limiting block 8 is matched with the inner wall of the oil storage groove 9.

[0029] In the above structure, the inner ring 201 and the outer ring 202 are used to limit the retainer 203, allowing the rolling cone 204 to operate normally inside the retainer 203. When the limiting block 8 is placed in the inner wall of the oil storage groove 9, it will not move.

[0030] In a preferred embodiment: the outer ring 202 is connected with the retainer 203 in a clearance fit, and the inner ring 201 is connected with the retainer 203 in a tight fit.

[0031] In the above structure, the interference fit between the inner ring 201 and the outer ring 202 ensures that there is no relative sliding between them, thereby ensuring the stability and load-carrying capacity of the bearing body 5. The inner ring 201 is usually designed with precise raceways to guide the smooth rolling of the rollers 204, reducing friction and wear. The outer ring 202 is connected to the cage 203 through a carefully designed clearance fit, which allows the cage 203 to move freely within a certain range while ensuring its stable relationship with the outer ring 202. The cage 203 itself has guide surfaces that maintain a proper clearance fit with the rollers 204, ensuring uniform distribution of the rollers 204 and avoiding unnecessary friction.

[0032] In a preferred embodiment: the oil groove 6 is in communication with the oil outlet 11, and the lower shaft head pressing plate 4 is adapted to the inner wall of the bearing seat 1.

[0033] In the above structure, when the lubricating oil flows out from the inner wall of the oil outlet 11, it is guided through the oil groove 6, making the lubricating oil flow into the inner wall of the intermediate thrust angular contact roller bearing assembly 2 through the inner wall of the oil groove 6, and the bearing seat 1 and the bearing body 5 are limited by the lower shaft head pressing plate 4.

[0034] Working principle: during the operation, when the bearing body 5 rotates at high speed, the lubricating oil in the oil storage tank 9 applies pressure to the limiting block 8 by centrifugal force, prompting the limiting block 8 to slowly move on the inner wall of the oil storage tank 9, with the movement of the limiting block 8, the slot of the oil outlet 11 is gradually exposed, and the lubricating oil flows into the inner wall of the oil groove 6 through these slots, and then guides to the inner wall of the intermediate thrust self-aligning roller bearing assembly 2 for operation, which helps to prevent the intermediate thrust self-aligning roller bearing assembly 2 from being damaged due to excessive friction when rotating at high speed, thereby achieving effective protection of the intermediate thrust self-aligning roller bearing assembly 2, when the bearing body 5 stops operation, the potential energy of the spring 10 is released, driving the limiting block 8 to return to the initial position, resealing the oil outlet 11, in addition, the intermediate thrust self-aligning roller bearing assembly 2 enables the bearing body 5 to bear axial and radial loads while automatically adjusting the relative position of the roller and the raceway, reducing wear caused by concentricity error, the intermediate thrust self-aligning roller bearing assembly 2 is internally configured with a roller cone 204, a retainer 203, an inner ring 201 and an outer ring 202, wherein the rolling friction formed between the roller cone 204 and the raceways of the inner ring 201 and the outer ring 202 replaces sliding friction, effectively reducing friction and wear, when the bearing body 5 is subjected to axial force, the roller cone 204 and the inner ring 201 and the outer ring 202 can move relatively, realize automatic alignment, ensure smooth operation, reduce noise and vibration, the structural design of the bearing seat 1, the intermediate thrust self-aligning roller bearing assembly 2, the top driven shaft lower shaft head 3 and the lower shaft head pressing plate 4 has obvious advantages, which can automatically adjust the shaft center, ensure that the equipment always maintains the best centering state during operation.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high efficiency self-aligning coupling mechanism comprising a bearing housing (1), characterized in that: The top of the bearing seat (1) is provided with an intermediate thrust self-aligning roller bearing assembly (2), the inner wall of the intermediate thrust self-aligning roller bearing assembly (2) is provided with a bearing body (5), the outer wall of the bearing body (5) is provided with a top driven shaft lower shaft head (3), the outer wall of the bearing body (5) is provided with a sliding oil groove (6), the top of the bearing seat (1) is provided with a mounting groove (7), the outer wall of the bearing body (5) is provided with an oil storage groove (9), one end of the spring (10) fixedly assembled with the inner wall of the oil storage groove (9), the other end of the spring (10) is fixedly assembled with a limiting block (8), the inner wall bottom of the oil storage groove (9) is provided with an oil outlet (11), and the bottom of the bearing body (5) is fixedly assembled with a lower shaft head pressing plate (4).

2. A high efficiency self-aligning coupling mechanism according to claim 1, wherein: The intermediate thrust self-aligning roller bearing assembly (2) comprises an inner ring (201), the outer wall of the inner ring (201) is provided with a retainer (203), the inner wall of the retainer (203) is rotatably connected with a rolling cone (204), and the outer wall of the rolling cone (204) is provided with an outer ring (202).

3. A high efficiency self-aligning coupling mechanism as claimed in claim 1, wherein: The bearing seat (1) is fixedly assembled with the bearing body (5) through the mounting groove (7), and the mounting groove (7) is respectively arranged on the outer walls of the bearing seat (1), the bearing body (5) and the top driven shaft lower shaft head (3).

4. A high efficiency self-aligning coupling mechanism as claimed in claim 2, wherein: The retainer (203) is located between the inner ring (201) and the outer ring (202), and the limiting block (8) is matched with the inner wall of the oil storage groove (9).

5. A high efficiency self-aligning coupling mechanism as claimed in claim 2, wherein: The outer ring (202) is connected with the retainer (203) in a clearance fit, and the inner ring (201) is connected with the retainer (203) in a close fit.

6. A high efficiency self-aligning coupling mechanism as claimed in claim 1, wherein: The sliding oil groove (6) is communicated with the oil outlet (11), and the lower shaft head pressing plate (4) is matched with the inner wall of the bearing seat (1).

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