CN114165520A

CN114165520A - Automatic lubricating and height-adjustable universal ball bearing

Info

Publication number: CN114165520A
Application number: CN202110650435.0A
Authority: CN
Inventors: 吕晓刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-10
Filing date: 2021-06-10
Publication date: 2022-03-11

Abstract

The patent discloses an automatic lubricated and universal ball bearing of height-adjustable belongs to stereo garage and carries sweep and stereo warehouse mobile goods shelves transmission technical field. The universal ball bearing used in the prior transmission has the defects that the working height cannot be steplessly adjusted, the mounting efficiency and the mounting precision are low, and the transmission quality is poor; internal automatic lubrication cannot be realized, only manual oil spraying on a rail can be used for meeting lubrication, the lubrication quality is poor, oil waste is large, and oil gas is easy to volatilize to fire and explode in a garage or a warehouse to endanger lives and properties of people; this patent adopts bearing work body and fixed cover spiral to go up and down fixedly and take automatic oil drip or the lubricated scheme of oil impregnate from the oil bath, has well solved above-mentioned problem, realizes universal ball bearing operating height infinitely variable control, improves installation effectiveness installation accuracy and transmission quality, realizes automatic lubrication, improves lubricated quality, reduces lubricated cost, avoids the easy fire that causes of oil gas volatilization to fire and explode the accident.

Description

Automatic lubricating and height-adjustable universal ball bearing

Technical Field

The utility model relates to a novel universal ball bearing device, the device use in stereo garage and stereoscopic warehouse, the device is that a ball face is downward to be used in straight track, can move about freely and quickly rolling translation operation's universal ball bearing, belongs to stereo garage and stereo warehouse transmission technical field.

Background

At present, the vehicle carrying plates of domestic stereo garages are mostly driven by plane wheels, the vehicle carrying plates can only be translated towards one direction, the vehicle carrying plates can not be moved in a non-radius longitudinal and transverse translation mode, and the efficiency is extremely low; at present, the universal ball bearings used for the car carrying plates of a few domestic stereo garages are all height-adjustable or only can be adjusted in a stepped mode by means of gaskets, height stepless adjustment and locking cannot be achieved, the mounting efficiency is low, the mounting precision is also low, and the transmission quality is seriously influenced; at present, universal ball bearings used for vehicle carrying plates of domestic stereo garages cannot realize internal oil-saving automatic lubrication, and only manual oil spreading lubrication can be carried out on rails, so that lubricating oil waste is caused inevitably, oil gas volatilization is easily formed in the garages, and people life and property safety is easily damaged by fire and explosion.

Adopt this patent, both can satisfy and realize that stereo garage carries sweep and does not have the radius move about freely and quickly, improve the car efficiency of depositing and withdrawing, also can realize the stepless adjustable lockable of mounting height, improve installation effectiveness and installation accuracy, still can self-lubricate and extravagant lubricating oil to avoid oil gas to volatilize in the garage, prevent to catch fire and explode, protection people's the security of the lives and property, this is exactly the purpose of this patent.

Disclosure of Invention

The purpose of this patent is to overcome the defect of prior art, provides a product that satisfies the needs, convenient to use, low cost, and this product mainly comprises two parts: the fixing mode of the round pipe shell with the internal thread is two types of welding and fixing and bolt connecting and fixing (the welding and the bolt fixing are omitted in the figure); the lockable working body spirally assembled with the circular tube outer shell has two structures (shown in figure 1 and figure 2), the working body mainly comprises a capillary inner shell, an oil dripping inner shell, an upper semi-ring, a lower semi-ring, a large ball, a small ball, a capillary nest, an oil dripping nest, an oil storage structure, an oil outlet device and the like, the working height of the working body is stepless and adjustable, and the working body can be locked after the height is adjusted.

Drawings

FIG. 1 is a schematic view of the capillary lubrication fitting of the present patent;

FIG. 2 is a schematic view of the oil drip lubrication assembly of the present patent;

fig. 3 is an internal schematic view of a part of the housing 1 of fig. 1 and 2;

FIG. 4 is a schematic internal view of a component of the capillary housing 2 of FIG. 1;

fig. 5 is a schematic axial view of the parts of the lower half ring 4 of fig. 1 and 2;

fig. 6 is a schematic axial view of the upper half-ring 6 part of fig. 1 and 2;

FIG. 7 is a schematic isometric view of two of the capillary socket 10 components of FIG. 1;

FIG. 8 is an internal schematic view of the inner drip housing 17 components;

FIG. 9 is a schematic axial view of the oil drip pan 18 component;

FIG. 10 is a schematic axial view of the oil control nut 19 component;

FIG. 1 details and associated description:

the components of fig. 1 include: the oil-conveying device comprises an outer shell 1, a capillary inner shell 2, a clamping ring 3, a lower semi-ring 4, a positioning pin 5, an upper semi-ring 6, a large ball 7, a rail 8, a small ball 9, a capillary socket 10, a locking fastener 11, a capillary oil conveying body 12, lubricating oil 13, an oil conveying body fastener 14, a vehicle carrying plate side beam 15 and an oil filling bolt 16.

The shell 1 of fig. 1 is formed by steel pipes which are qualified to be processed (refer to the operations of standard blanking, welding, heat treatment, turning, saw cutting and the like, the lower part is the same) and have proper height, equal diameter outer circles and two diameters of inner circles (wherein the minor diameter is the diameter of an internal thread), a sector thread block with the thickness L, the included angle beta, the inner radius is the thread radius and the outer radius R is processed on the lower edge of the steel pipe in a qualified mode, 3 threaded holes are processed on the sector thread block in a qualified mode and are seen in a C-C view mode, a locking seam with the radius is processed in a proper axial position of the sector thread block in a qualified mode, and the internal structure of the sector thread block is shown in fig. 3 in detail.

The capillary inner housing 2 of fig. 1 is the assembly carrier of fig. 1, i.e. the main parts belonging to the working body of fig. 1 are all assembled on the capillary inner housing 2, and the capillary inner housing 2 is mainly composed of two parts: the first is an internal cavity structure with external threads at the lower part, and the second is an oil storage structure with double welded pipes at the upper part, the former is formed by qualified processing of steel plates and steel pipes (an assembly hole containing a capillary socket 10), the latter is formed by qualified processing of inner ring steel pipes and outer ring steel pipes with equal height and equal thickness, and the internal structure is detailed in figure 4.

The snap ring 3 in figure 1 is short for GB/T893.1 circlip for hole.

The lower half ring 4 of fig. 1 is a spherical retainer which is made of wear-resistant materials and forms a large ball 7 with the upper half ring 6 positioned by a positioning pin 5 and locked by a snap ring 3, the function of the spherical retainer is the same as that of a bearing retainer, and two axial side views are detailed in fig. 5.

The positioning pin 5 in FIG. 1 is an abbreviation of GB/T119.1 cylindrical pin.

The upper half ring 6 of fig. 1 is a spherical retainer which is made of wear-resistant materials and is positioned by a positioning pin 5 and locked by a snap ring 3 with the lower half ring 4 to form a large ball 7, the function of the spherical retainer is the same as that of a bearing retainer, and two axial side views are detailed in fig. 6.

The capillary nest 10 in fig. 1 is a rotary columnar part composed of an equal-diameter surface and a variable-diameter surface of bearing steel subjected to qualified processing, a main bearing working surface of the rotary columnar part is an enveloping circular arc surface formed by a large ball 7 contacting a small ball 9, the radius of the enveloping circular arc surface is equal to the radius of the large ball and the diameter of the small ball, the equal-diameter cylindrical surface is in transition fit with an inner hole of a capillary inner shell 2, axial assembling surfaces of the equal-diameter cylindrical surface and the capillary inner shell are bearing positioning surfaces, and the bearing positioning surfaces have two functions, wherein the load on a vehicle carrying plate is loaded through a vehicle carrying plate edge beam 15 → an outer shell 1 → a capillary inner shell 2 → the capillary nest 10 → the small ball 9 → the large ball 7 and finally applied to a track 8 (the welding force is transferred between the outer shell 1 and the vehicle carrying plate edge beam 15, and the thread force is transferred between the outer shell 1 and the capillary inner shell 2); secondly, the positioning function ensures the stability of the bearing working surface; the capillary socket 10 is provided with an axial blind hole which is communicated with a radial through hole on the blind hole to facilitate the capillary oil conveying body 12 to pass through, and two axial side views are shown in detail in figure 7.

The oil outlet device in fig. 1 is a capillary oil delivery body 12 made of a cotton and linen chemical fiber fabric, the working principle of the oil delivery body is equivalent to that of the prior oil lamp core, and the cotton and linen chemical fiber fabric has a capillary adsorption effect and can adsorb and deliver lubricating oil to a storage area of the small ball 9 from an oil storage tank, so that the lubricating oil can be in contact with the small ball 9 and rubbed and adhered with the oil, and the lubrication between the small ball 9 → the large ball 7 → the capillary pit 10 is completed.

The working body of fig. 1 mainly comprises a capillary inner shell 2 and related parts, wherein an upper half ring 6 and a lower half ring 4 are separated by a large ball central line for convenient assembly, after a small ball 9 is filled, the upper half ring 6 and the lower half ring 4 are assembled by a positioning pin 5 and a snap ring 3, the outer diameters of the upper half ring 6 and the lower half ring 4 are in transition fit with the inner diameter of the capillary inner shell 2, the inner diameters of the upper half ring 6 and the lower half ring 4 are in clearance fit with the large ball 7 to form a holding body of the large ball 7, the holding body has the function of keeping the large ball 7 in qualified positioning, the small ball 9 is continuously input between the large ball 7 and an enveloping circular arc surface of the capillary socket 10 from one end and is continuously output between the large ball 7 and the enveloping circular arc surface of the capillary socket 10 from the other end to form continuous in-out and-out circulation of the small ball 9, and the main working principle of fig. 1 is shown.

Fig. 2 shows parts and related description (same as fig. 1 is omitted):

the components of fig. 2 include: the automobile oil-mixing device comprises an outer shell 1, a clamping ring 3, a lower half ring 4, a positioning pin 5, an upper half ring 6, a large ball 7, a track 8, a small ball 9, lubricating oil 13, an automobile carrying plate side beam 15, an oil filling bolt 16, an oil dripping inner shell 17, an oil dripping socket 18, a locking fastener 11, an oil mixing nut 19 and an oil mixing screw 20.

Fig. 2 shows the inner casing 17 of fig. 2 as an assembly carrier, i.e. the main parts belonging to the working body of fig. 2 are all assembled on the inner casing 17, and the inner casing 17 is mainly composed of two parts: one is an inner cavity structure with external threads at the lower part, and the other is an oil storage structure with double welded pipes at the upper part, wherein the former is formed by qualified processing of steel plates and steel pipes (an assembly hole and an oil regulating screw hole containing an oil dripping pit 18), and the latter is formed by qualified processing of inner ring steel pipes and outer ring steel pipes with equal height and equal thickness on the former, and the detailed internal structure is shown in figure 8.

Fig. 2 shows that the oil dripping dimple 18 is a rotary columnar part formed by a bearing steel subjected to qualified processing and having an equal diameter surface and a variable diameter surface, and the main bearing working surface of the part is as follows: the radius of the enveloping circle arc surface is equal to the radius of the big ball and the diameter of the small ball, the cylindrical surface with the equal diameter is in transition fit with the inner hole of the inner oil dripping shell 17, the axial assembly surface of the cylindrical surface with the equal diameter and the inner hole of the inner oil dripping shell 17 is a bearing positioning surface, and the bearing positioning surface has two functions, namely, bearing function, the load on the vehicle carrying plate is transferred to the track 8 (the welding transfer force is adopted between the outer shell 1 and the side beam 15 of the vehicle carrying plate, and the thread transfer force is adopted between the outer shell 1 and the inner oil dripping shell 17) through the side beam 15 of the vehicle carrying plate → the outer shell 1 → the inner oil dripping shell 17 → the oil dripping shell 18 → the small ball 9 → the big ball 7); secondly, the positioning function ensures the stability of the bearing working surface, and two kinds of axial side drawings are shown in detail in figure 9.

Fig. 2 shows that the oil adjusting nut 19 is composed of six oil grooves machined on one side of a standard nut with the same specification, and two axial views of the oil adjusting nut are shown in fig. 10 in detail.

The oil outlet device in fig. 2 is composed of an oil adjusting nut 19 and an oil adjusting screw 20 on the oil dripping inner shell 17, the oil adjusting screw 20 is composed of an inclined plane with a radius processed on a set screw with the same specification standard, and when in adjustment: the oil port surface of the oil adjusting nut 19 is assembled downwards, the intersection point A of the processing inclined surface and the inclined surface of the set screw is higher than the oil port surface, lubricating oil can enter the storage area of the small ball 9 through the oil groove of the oil adjusting nut 19 to complete the lubrication between the small ball 9 → the large ball 7 → the oil dropping nest 18, the more the oil port surface A is higher than the oil adjusting nut 19, the more the lubricating oil enters the storage area of the small ball 9 through the oil groove of the oil adjusting nut 19, and vice versa.

The working body of fig. 2 mainly comprises an oil dripping inner shell 17 and related parts, an upper half ring 6 and a lower half ring 4 are separated by a large ball central line, after being filled with a small ball 9, the assembly is completed by a positioning pin 5 and a clamping ring 3, the outer diameters of the upper half ring 6 and the lower half ring 4 are in transition fit with the inner diameter of the oil dripping inner shell 17, the inner diameters of the upper half ring 6 and the lower half ring 4 are in clearance fit with the large ball 7, the main function of the working body is to keep the large ball 7 to be positioned, the working body operates under good lubrication conditions, the small ball 9 is continuously input between the large ball 7 and the enveloping circular arc surface of the oil dripping pit 18 from one end, and the small ball 9 is continuously output between the large ball 7 and the enveloping circular arc surface of the oil dripping pit 18 from the other end to form continuous in-out and out circulation of the small ball 9, which is the main working principle of fig. 2.

The differences between fig. 1 and fig. 2 are:

the capillary inner shell 2 in fig. 1 is not provided with an oil through screw hole, and the capillary socket 10 is provided with an oil through hole.

In FIG. 2, the oil dropping inner shell 17 is provided with oil passing screw holes, and the oil dropping socket 18 is not provided with oil passing holes.

Detailed Description

The specific embodiments of this patent are described with reference to the accompanying drawings:

1. this patent shell 1 and the fixed embodiment of year sweep boundary beam 15:

after the shell 1 and the edge beam 15 of the vehicle carrying plate are aligned, the shell 1 and the edge beam 15 are welded and fixed in a qualified mode (the bolt is fixed and omitted) as shown in the figure 1(C-C) and the figure 2 (C-C).

2. See fig. 1, illustrating a specific embodiment of this patent (capillary lubrication):

2.1 inspecting that all parts forming the figure 1 are qualified and cleaned, and coating clean lubricating oil on all matching surfaces for later use.

2.2 Assembly of the various parts making up the working body of FIG. 1: the capillary inner shell 2 is reversely arranged with an opening facing upwards, a wooden hammer is used for beating the capillary nest 10 according to the figure to enable the capillary nest to be packed into a middle round hole of the capillary inner shell 2 in a qualified mode, then the capillary oil conveying body 12 is compacted according to the figure to penetrate through the capillary oil conveying body 12, one end of the capillary oil conveying body extends out of the capillary heavy nest by about 10 mm, the other end of the capillary oil conveying body is in a free state and lies at the bottom of an oil groove, the oil conveying body fastening piece 14 is fastened according to the figure, then the small ball 9 is poured into the capillary oil conveying body, and then the upper half ring 6, the large ball 7, the positioning pin 5, the lower half ring 4 and the clamping ring 3 are assembled in sequence in a qualified mode to complete the assembly of the working body part.

2.3 the working body is assembled to the appropriate position of the shell 1 according to the figure along the rotation of the thread, the locking fastener 11 is screwed to reduce the locking seam, the clearance fit of the assembly thread of about 1/3 is changed into interference fit, the reliable locking of the working body is realized, the oiling bolt 16 is unscrewed, the lubricating oil 13 is properly filled, the oiling bolt 16 is screwed, and the assembly of the patent (capillary lubrication) is completed.

3. See fig. 2, which illustrates an embodiment of this patent (oil drip lubrication):

3.1 checking that all parts forming the figure 2 are qualified and cleaned, and coating clean lubricating oil on all matched surfaces for later use.

3.2 Assembly of the various parts making up the working body of FIG. 2: the inner oil dripping shell 17 is reversely arranged with an opening facing upwards, the oil dripping nest 18 is beaten by a wooden hammer according to the drawing to be qualified and then is arranged in a middle round hole of the inner oil dripping shell 17, then a small ball 9 is poured into the inner oil dripping shell according to the drawing in a proper amount, then the upper half ring 6, the large ball 7, the positioning pin 5, the lower half ring 4 and the snap ring 3 are assembled in sequence in a qualified mode, the oil regulating screw 20 is screwed to a proper position and then fixed by a long-handle screw tap, and then the oil regulating nut 19 is fastened by a long-sleeve wrench to complete the assembly of the working body part.

3.3 the working body is assembled to the appropriate position on the shell 1 according to the rotation of screw thread according to the drawing, screws locking fastener 11, makes the locking seam diminish, makes about 1/3 assembly screw thread become interference fit by clearance fit, realizes the reliable locking of working body, unscrews oiling bolt 16, suitably fills up lubricating oil 13, screws oiling bolt 16 again, and this patent (oil drip lubrication) assembly is accomplished.

4. The foregoing is a basic embodiment of this patent, which allows for a variety of embodiments.

Claims

1. The universal ball bearing with automatic lubrication and adjustable height is characterized in that a shell (1) of the device is fixed on a side beam (15) of a vehicle carrying plate in a welding fixing mode or a bolt fixing mode, and the lubricating mode comprises capillary lubrication or oil dripping lubrication.

This device of capillary lubrication: wherein, snap ring (3), lower semi-ring (4), locating pin (5), first semi-ring (6), big ball (7), pellet (9), capillary nest (10), locking fastener (11) capillary oil transportation body (12), lubricating oil (13), oil transportation body fastener (14) etc. are adorned on capillary inner shell (2), constitute the working body of figure 1.

The device for oil drop lubrication: wherein, snap ring (3), lower semi-ring (4), locating pin (5), first semi-ring (6), big ball (7), bobble (9), locking fastener (11), oil dripping nest (18), oil adjusting nut (19), oil adjusting screw (20) etc. are installed on the oil dripping inner shell (17), constitute the working body of figure 2.

The oiling bolt (16) is arranged on the edge beam (15) of the vehicle carrying plate to meet the requirements of checking oil storage and oiling.

2. The self-lubricating and height-adjustable universal ball bearing according to claim 1, as shown in fig. 1, wherein: the outer circle of a capillary inner shell (2) forming the working body of the device is processed with an external thread, the working body of the device is rotatably assembled on the internal thread of the outer shell (1), the working body is rotated left and right, the height of a large ball (7) of the working body can be adjusted, then a locking fastener (11) is screwed in a qualified mode, a locking seam is reduced, an assembly thread pair of about 1/3 is changed into interference fit from clearance fit, and reliable locking of the working body of the device in the figure 1 is achieved.

3. The self-lubricating and height-adjustable universal ball bearing of claim 1, as shown in fig. 2, wherein: the outer circle of an oil dripping inner shell (17) forming the working body of the device is processed with an external thread, the working body of the device is rotatably assembled on the internal thread of the outer shell (1), the working body is rotated left and right, the height of a large ball (7) of the working body can be adjusted, then a locking fastener (11) is screwed in a qualified mode, a locking seam is reduced, an assembly thread pair of about 1/3 is changed into interference fit from clearance fit, and reliable locking of the working body of the device in the figure 2 is achieved.

4. The self-lubricating and height-adjustable universal ball bearing of claim 1, wherein: an oiling bolt (16) is arranged on the edge beam (15) of the vehicle carrying plate, the annular oil storage tank can be oiled by unscrewing the oiling bolt (16), and the oiling bolt (16) is screwed after oiling to prevent dirt from entering the annular oil storage tank.

5. The self-lubricating and height-adjustable universal ball bearing of claim 1, wherein: the lubricating device in figure 1 is a capillary oil conveying body (12) with one end intruding into an annular oil storage tank and fixed on the tank wall by an oil conveying body fastening piece (14), and the other end penetrating through an inner hole of a capillary socket (10), wherein the oil conveying body is made of cotton and linen chemical fiber fabric and has capillary adsorption effect, and is equivalent to the prior oil lamp core which can adsorb and convey lubricating oil from the oil storage tank to a storage area of a small ball (9) so that the lubricating oil is in contact with the small ball (9) and rubbed and adhered to the small ball (9), thereby completing the lubrication between the small ball (9) → big ball (7) → capillary socket (10).

6. The self-lubricating and height-adjustable universal ball bearing of claim 1, wherein: the lubricating device in figure 2 is composed of an oil adjusting nut (19) and an oil adjusting screw (20) which are arranged on an oil dripping inner shell (17), and when in adjustment: the inclined plane A point of the oil adjusting screw (20) is higher than the screw hole surface, lubricating oil can enter the storage area of the small ball (9) through the oil groove of the oil adjusting nut (19), lubrication between the small ball (9) → the large ball (7) → the oil dropping socket (18) is completed, the more the A point is higher than the screw hole surface, the more the lubricating oil enters, and vice versa.

7. The self-lubricating and height-adjustable universal ball bearing of claim 1, wherein: the device can realize the inside self-lubricate of no waste, avoids the manual work to spill the oil lubrication on outside track, avoids causing lubricating oil extravagant and oil gas to volatilize in airtight garage, avoids catching fire and explodes and endangers people's life and property safety.