CN217055962U

CN217055962U - Raceway disconnect-type turntable bearing

Info

Publication number: CN217055962U
Application number: CN202220119143.4U
Authority: CN
Inventors: 危进才; 万勤; 段瑶
Original assignee: Jiangsu Xinli Intelligent Technology Co ltd
Current assignee: Jiangsu Xinli Intelligent Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-26
Anticipated expiration: 2032-01-18

Abstract

The utility model is suitable for a carousel bearing technical field provides a raceway disconnect-type carousel bearing, including outer lane, inner circle, reference column, raceway piece and mounting panel, the inside of outer lane is provided with the inner circle, the spacing groove has been seted up towards one side surface of supporting shoe to the raceway piece, the upper surface of outer lane is provided with the mounting panel, the mounting panel passes through fixing bolt and constitutes dismantlement mounting structure with the outer lane, the upper surface of mounting panel is provided with the lubricating-oil tank, the lower surface of mounting panel is provided with the oil leak hole that is linked together with the lubricating-oil tank, the lower fixed surface of mounting panel has the briquetting. This raceway disconnect-type slewing bearing through detachable raceway piece for when the roller on the raceway piece produces the damage because of unusual again, can realize the maintenance to the raceway through the mode of changing the raceway piece alone, need not the overall change, not only reduced the cost of maintenance, still reduced the required time of maintenance and the degree of difficulty.

Description

Raceway disconnect-type slewing bearing

Technical Field

The utility model belongs to the technical field of the carousel bearing, especially, relate to a raceway disconnect-type carousel bearing.

Background

The turntable bearing is a large bearing with a special structure which can bear a large comprehensive load such as an axial load, a radial load, an overturning moment and the like at the same time and integrates multiple functions of supporting, rotating, transmitting, fixing and the like, the turntable bearing is commonly used on large-scale rotating equipment in hoisting transportation and engineering machinery, various large-scale equipment can stably and efficiently operate and is not easy to damage through the axial load and the radial load of the turntable bearing, but the existing turntable bearing still has some problems in use, for example, a raceway of the existing turntable bearing is often fixedly connected with the bearing, once one part of the raceway is damaged due to abnormal abrasion, the whole turntable bearing needs to be replaced, the maintenance is very troublesome, and meanwhile, lubricating oil needs to be regularly injected into the raceway to reduce the abrasion of the raceway in the normal working process, however, the consumption speed of the large-scale machine for the lubricating oil is very fast when the large-scale machine operates, the lubricating oil needs to be added once in a very short time, and in order to ensure safety during the lubricating oil adding process, the operation must be performed under the condition that the machine stops operating, which is not beneficial to the improvement of the whole working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a raceway disconnect-type carousel bearing aims at solving the problem that big raceway change trouble and lubricating oil need frequently add.

The utility model discloses a realize like this, a raceway disconnect-type carousel bearing, including outer lane, inner circle, reference column, raceway piece and mounting panel, the inside of outer lane is provided with the inner circle, the inboard fixed surface of outer lane has the supporting shoe, the inside of outer lane is fixed with the reference column, the embedded raceway piece of installing in inboard surface of outer lane, the spacing groove has been seted up towards one side surface of supporting shoe to the raceway piece, the upper surface of outer lane is provided with the mounting panel, the mounting panel passes through fixing bolt and outer lane constitution dismantlement mounting structure, the upper surface of mounting panel is provided with the lubricating-oil tank, the lower surface of mounting panel is provided with the oil leak hole that is linked together with the lubricating-oil tank, the lower fixed surface of mounting panel has the briquetting.

Preferably, a sliding limiting rod is installed on the outer surface of one side of the supporting block in an embedded mode, and a return spring is connected between the limiting rod and the supporting block.

By adopting the technical scheme, the limiting rod can slide under the support of the return spring to remove the limitation of the raceway block when not extruded by the ejector rod.

Preferably, one end of the limiting rod is designed to be a right trapezoid, and the inclined plane at the designed end of the limiting rod is designed to face upwards in the direction away from the center of the inner circle.

By adopting the technical scheme, the limiting rod can slide and compress the return spring when being extruded by the ejector rod.

Preferably, the positioning column is connected with the raceway block in a clamping manner, and a roller is mounted on the outer surface of one side, facing the inner ring, of the raceway block.

By adopting the technical scheme, the roller path block can be just positioned at the position attached to the inner ring by being clamped with the positioning column.

Preferably, the rollers are uniformly distributed on the inner side surface of the raceway block, and the outer surfaces of the rollers are attached to the outer side surface of the inner ring.

By adopting the technical scheme, the outer ring can rotate relative to the inner ring through the roller.

Preferably, the lower surface of the mounting plate is uniformly provided with ejector rods, and the lower ends of the ejector rods penetrate through the outer surface of the supporting block.

By adopting the technical scheme, the ejector rod can penetrate through the supporting block to extrude the limiting rod under the driving of the mounting plate.

Preferably, the lower end of the ejector rod is designed to be a right trapezoid, and the inclined surface at one end of the right trapezoid at the lower end of the ejector rod is designed to face downwards towards the direction close to the center of the inner circle.

By adopting the technical scheme, the ejector rod can extrude the limiting rod through the inclined plane so that the limiting rod slides.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a raceway disconnect-type carousel bearing:

1. through the detachable raceway block, when the roller on the raceway block is damaged due to abnormality, the raceway can be maintained in a mode of independently replacing the raceway block without integrally replacing the roller, so that the maintenance cost is reduced, and the time and difficulty required by maintenance are reduced;

2. the frequency of adding lubricating oil in the working process of the turntable bearing is reduced by slowly leaking the lubricating oil between the outer ring and the inner ring in the process that the bearing continuously rotates by the lubricating oil tank, and the possibility of bearing damage caused by sudden loss of lubrication in the working process is also reduced;

3. the mode that the mounting panel drives the ejector pin gliding extrusion gag lever post for the gag lever post can carry out horizontal spacing with spacing groove joint and to the raceway piece, and the inside surface at the outer lane is firmly fixed with the raceway piece to the gag lever post through the cooperation with the reference column, thereby reduces because the impact that the separated type design obtained outer lane support intensity to the raceway piece.

Drawings

Fig. 1 is a schematic overall top view structure of the present invention;

FIG. 2 is a schematic view of the overall sectional view of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

FIG. 4 is a schematic overall cross-sectional front view of the present invention;

fig. 5 is a schematic side sectional view of the present invention.

In the figure: 1-outer ring, 2-inner ring, 3-supporting block, 4-limiting rod, 5-reset spring, 6-positioning column, 7-raceway block, 8-limiting groove, 9-roller, 10-mounting plate, 11-lubricating oil tank, 12-pressing block, 13-ejector rod and 14-fixing bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-5, the present invention provides a raceway separated turntable bearing, which comprises: the device comprises an outer ring 1, an inner ring 2, a supporting block 3, a limiting rod 4, a return spring 5, a positioning column 6, a raceway block 7, a limiting groove 8, a roller 9, a mounting plate 10, a lubricating oil tank 11, a pressing block 12, an ejector rod 13 and a fixing bolt 14;

in the embodiment, an inner ring 2 is arranged inside an outer ring 1, and a supporting block 3 is fixed on the inner side surface of the outer ring 1;

furthermore, a sliding limiting rod 4 is embedded in the outer surface of one side of the supporting block 3, a return spring 5 is connected between the limiting rod 4 and the supporting block 3, one end of the limiting rod 4 is designed to be right trapezoid, and the inclined surface of the right trapezoid designed end of the limiting rod 4 is designed upwards in the direction away from the circle center of the inner ring 2, so that the limiting rod 4 can be clamped with the raceway block 7 in a manner that the limiting rod 4 is pressed to slide and stretch the return spring 5, and the raceway block 7 is prevented from moving inside the outer ring 1;

in the embodiment, a positioning column 6 is fixed inside the outer ring 1, a raceway block 7 is embedded in the inner side surface of the outer ring 1, and a limiting groove 8 is formed in the outer surface of one side, facing the supporting block 3, of the raceway block 7;

furthermore, the positioning column 6 is connected with the raceway block 7 in a clamping manner, the outer surface of one side, facing the inner ring 2, of the raceway block 7 is provided with the rollers 9, the rollers 9 are uniformly distributed on the inner side surface of the raceway block 7, the outer surface of the rollers 9 is attached to the outer side surface of the inner ring 2, and the raceway block 7 can be quickly replaced when damaged through the split design of the raceway block 7 and the outer ring 1;

in the embodiment, the upper surface of the outer ring 1 is provided with a mounting plate 10, the mounting plate 10 and the outer ring 1 form a detachable mounting structure through a fixing bolt 14, the upper surface of the mounting plate 10 is provided with a lubricating oil tank 11, the lower surface of the mounting plate 10 is provided with an oil leakage hole communicated with the lubricating oil tank 11, and the lower surface of the mounting plate 10 is fixed with a pressing block 12;

furthermore, the lower surface of the mounting plate 10 is uniformly provided with ejector rods 13, the lower ends of the ejector rods 13 penetrate through the outer surface of the support block 3, the lower ends of the ejector rods 13 are in a right-angle trapezoid design, and the inclined surface at one end of the right-angle trapezoid design at the lower end of the ejector rod 13 is designed to face downwards towards the direction close to the circle center of the inner ring 2, so that the mounting plate 10 can drive the ejector rods 13 to slide downwards and extrude the inclined surface of the limiting rod 4 through the inclined surface of the ejector rod 13, and the limiting of the roller path block 7 is realized, meanwhile, the frequency of adding lubricating oil in the working process of the turntable bearing is reduced through the mode that the lubricating oil slowly leaks into the space between the outer ring and the inner ring in the process of continuous rotation of the bearing through a lubricating oil tank, and the possibility of bearing damage caused by sudden loss of lubricating oil in the working process is also reduced;

the utility model discloses a theory of operation and use flow: after the utility model is installed, firstly, in the process of bearing rotation, the outer ring 1 contacts the inner ring 2 through the roller 9 on the outer surface of the roller path block 7, meanwhile, the lubricating oil in the lubricating oil tank 11 slowly leaks to the roller path block 7 through the oil leakage hole on the lower surface of the mounting plate 10 to lubricate the roller 9, when the roller 9 on the roller path block 7 is abnormally worn, the mounting plate 10 is disassembled through the fixing bolt 14, at the moment, the mounting plate 10 drives the ejector rod 13 to release the extrusion on the limiting rod 4, the limiting rod 4 slides under the driving of the compressed reset spring 5 to release the block with the limiting groove 8, so that the roller path block 7 can slide upwards and break away from the block with the positioning column 6, the damaged roller path block 7 is taken out and the intact roller path block 7 is installed on one side of the supporting block 3, then the mounting plate 10 is covered, the mounting plate 10 compresses the roller path block 7 through the pressing block 12, then the mounting plate 10 is fixed on the outer ring 1 through the fixing bolt 14, and finishing the replacement of the separated roller path.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a raceway disconnect-type carousel bearing, includes outer lane (1), inner circle (2), reference column (6), raceway piece (7) and mounting panel (10), its characterized in that: the utility model discloses a bearing roller bearing, including outer lane (1), the inside of outer lane (1) is provided with inner circle (2), the inboard fixed surface of outer lane (1) has supporting shoe (3), the inside of outer lane (1) is fixed with reference column (6), the embedded raceway piece (7) of installing of the inboard surface of outer lane (1), spacing groove (8) have been seted up towards one side surface of supporting shoe (3) to raceway piece (7), the upper surface of outer lane (1) is provided with mounting panel (10), mounting panel (10) constitute through fixing bolt (14) and outer lane (1) and dismantle mounting structure, the upper surface of mounting panel (10) is provided with lubricating-oil tank (11), the lower surface of mounting panel (10) is provided with the oil leak hole that is linked together with lubricating-oil tank (11), the lower fixed surface of mounting panel (10) has briquetting (12).

2. A race split slew bearing as defined in claim 1 wherein: the outer surface of one side of supporting shoe (3) is embedded to be installed gliding gag lever post (4), be connected with reset spring (5) between gag lever post (4) and supporting shoe (3).

3. A race split slew bearing as defined in claim 2 wherein: one end of the limiting rod (4) is designed to be right trapezoid, and the inclined plane at one end of the limiting rod (4) is designed upwards in the direction far away from the circle center of the inner ring (2).

4. A race split slew bearing as defined in claim 1 wherein: the positioning column (6) is connected with the raceway block (7) in a clamping mode, and a roller (9) is installed on the outer surface of one side, facing the inner ring (2), of the raceway block (7).

5. A race split slew bearing as defined in claim 4 wherein: the rollers (9) are uniformly distributed on the inner side surface of the raceway block (7), and the outer surface of each roller (9) is attached to the outer side surface of the inner ring (2).

6. A race split slew bearing as defined in claim 1 wherein: ejector rods (13) are uniformly arranged on the lower surface of the mounting plate (10), and the lower ends of the ejector rods (13) penetrate through the outer surface of the supporting block (3).

7. A race split slewing bearing according to claim 6, wherein: the lower end of the ejector rod (13) is designed to be a right trapezoid, and the inclined plane at one end of the right trapezoid design at the lower end of the ejector rod (13) is designed to face downwards towards the direction close to the circle center of the inner ring (2).