CN220015838U - High-strength corrosion-resistant slewing bearing - Google Patents

Abstract

The utility model relates to the technical field of support and discloses a high-strength corrosion-resistant slewing bearing, which comprises an inner ring and an outer ring, wherein the inner side walls of the inner ring, which are positioned at the openings of two oil inlet grooves, are fixedly connected with oil inlet nozzles, the inner walls of the oil inlet nozzles, which are close to the oil inlet grooves, are fixedly connected with a plurality of fixing blocks, the outer walls of the fixing blocks are fixedly connected with extrusion springs, one ends of the extrusion springs, which are far away from the fixing blocks, are fixedly connected with partition beads, the partition beads are attached to the inner walls of the end parts of the oil inlet nozzles, which are far away from the oil inlet grooves, and the diameter of the outer walls of the partition beads is larger than the diameter of the inner walls of the oil inlet nozzles, which are far away from the ports of the oil inlet grooves.

Description

High-strength corrosion-resistant slewing bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a high-strength corrosion-resistant slewing bearing.

Background

The slewing bearing is a large-scale bearing capable of bearing comprehensive load, can bear larger axial and radial loads and overturning moment at the same time, is widely applied in the actual industry, and is an important transmission part which is necessary for machinery for bearing axial force, radial force and overturning moment at the same time and needs to do relative slewing motion between two objects;

in view of the above-mentioned related art, the inventor believes that the existing slewing bearing generally has the defects that the addition of lubricating oil is inconvenient, particles easily enter the inside of the bearing, the abrasion inside the bearing is serious, and the operation difficulty is high when the conventional slewing bearing is lifted in the assembly process due to the large volume and the large weight, so that a high-strength anti-corrosion slewing bearing is proposed to solve the above-mentioned problems.

The above information disclosed in this background section is only for enhancement of understanding of the background section of the utility model and therefore it may not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The utility model provides a high-strength corrosion-resistant slewing bearing, which aims to solve the problems that the existing slewing bearing is generally inconvenient to add lubricating oil, particles easily enter the interior of the bearing and the interior of the bearing is seriously worn.

The utility model provides a high-strength corrosion-resistant slewing bearing, which adopts the following technical scheme:

the utility model provides a high-strength anticorrosion slewing bearing, includes inner circle and outer lane, interior arc wall has been seted up to the lateral wall of inner circle, outer arc wall has been seted up to the inside wall of outer lane, interior arc wall with mutually supporting between the outer arc wall forms the raceway, the raceway inner wall is circumference array evenly distributed has a plurality of balls, and two adjacent be provided with the spacer block between the ball, annular oil guide groove has been seted up to the inner circle inner wall, and a plurality of oil grooves have been seted up to the inner wall of inner circle, interior arc wall through a plurality of oil grooves with annular oil guide groove is linked together, and two oil feed grooves have still been seted up to the inside wall of inner circle, two the oil feed groove all runs through the inner circle and extends to the inside of annular oil guide groove, and the inner wall that the inner circle is located two oil feed groove openings department is equal fixedly connected with oil feed mouth, and a plurality of mounting holes have been evenly seted up to the top outer wall of outer lane to circumference array, a plurality of mounting holes's inner wall has seted up a plurality of spacing grooves, a plurality of mounting holes and a plurality of the inner wall grafting of spacing grooves have clamping mechanism.

Preferably, the upper surface joint of inner circle and outer lane junction has the upper seal circle, and the joint of inner circle and outer lane junction's lower surface joint has the lower seal circle, the upper seal circle with the lower seal circle is annular setting.

Preferably, the inner wall fixedly connected with a plurality of fixed blocks that the oil feed mouth is close to the oil feed groove, a plurality of the outer wall fixedly connected with extrusion spring of fixed block, the one end fixedly connected with that the fixed block was kept away from to extrusion spring separates the pearl, separate the pearl and keep away from the oil feed mouth and laminate mutually with oil feed mouth inner wall of oil feed groove tip, separate the outer wall diameter of pearl and be greater than the oil feed mouth and keep away from the inner wall diameter of oil feed groove port.

Preferably, the clamping mechanism comprises a bolt inserted into the inner wall of the mounting hole, a plurality of sliding grooves are formed in the inner wall of the bolt, a plurality of spherical blocks are connected to the inner wall of the sliding grooves in a sliding mode, clamping columns are fixedly connected to the outer wall of the spherical blocks, facing the outside of the bolt, of the spherical blocks, and the clamping columns penetrate through the sliding grooves and extend to the inside of the limiting grooves.

Preferably, the spherical block is towards the outside outer wall fixedly connected with reset spring of bolt, reset spring cup joints the outer wall at the card post, and the one end fixed connection of reset spring keeping away from the spherical block is at the inner wall of spout.

Preferably, the clamping mechanism further comprises a supporting rod inserted into the bolt, a threaded block is fixedly connected to the top of the supporting rod, the threaded block is in threaded connection with the inner wall of the bolt, and a hanging ring is fixedly connected to the outer wall of the top of the threaded block.

In summary, the utility model has the following beneficial technical effects:

1. through the oil inlet nozzle, the fixed block, the extrusion spring and the partition beads, the addition of lubricating oil can be facilitated, the partition beads can be driven to automatically seal the oil inlet nozzle under the action of the extrusion spring after the addition is completed, so that the lubricating oil is not easy to run out, the lubricating oil entering the inner part of the inner ring is guided into the inner cavity of the annular oil guide groove by the oil inlet groove, the lubricating oil is dispersed to the inner walls of a plurality of oil distributing grooves by the annular oil guide groove, the lubricating oil is further guided into the inner part of the rollaway nest by the plurality of oil distributing grooves, the lubricating oil is adhered to the ball during rolling, an oil film is formed on the inner walls of the plurality of balls and the rollaway nest to protect the balls, abrasion is prevented, and the lubricating oil entering the rollaway nest is not easy to leak through the arrangement of the upper sealing ring and the lower sealing ring, and meanwhile external impurity particles can be prevented from entering the rollaway nest to cause damage;

2. through the clamping mechanism who sets up, insert the mounting hole inside with the bolt, make a plurality of draw-in posts align with a plurality of spacing groove, then insert into the bolt inner wall with supporting the pole, then rotate the screw thread piece, the screw thread piece rotates at the inside screw thread of bolt, the screw thread piece drives the supporting pole and continuously descends, until the screw thread piece gets into the bolt completely in, the outer wall of supporting the pole will extrude a plurality of spherical pieces this moment, make spherical piece get into the spout inside, and spherical piece then drive a plurality of draw-in posts and impress the inside of spacing groove, accomplish the joint of bolt and mounting hole, make inner circle and bolt connection be whole, finally through rings, thereby reach the effect that is used for realizing being convenient for whole lifting the slewing bearing.

Drawings

FIG. 1 is an overall schematic of an embodiment of the application;

FIG. 2 is a partial cross-sectional view of an embodiment of the application;

FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;

FIG. 4 is a partial cross-sectional view of an embodiment of the present application;

fig. 5 is an enlarged schematic view of the structure at B in fig. 4.

Reference numerals illustrate: 1. an inner ring; 2. an outer ring; 3. an inner arc-shaped groove; 4. an outer arc-shaped groove; 5. a ball; 6. a spacer block; 7. an oil dividing groove; 8. an annular oil guide groove; 9. an oil inlet groove; 10. an oil inlet nozzle; 11. a fixed block; 12. extruding a spring; 13. a bead; 14. a mounting hole; 15. a plug pin; 16. a supporting rod; 17. a screw block; 18. a hanging ring; 19. a chute; 20. a spherical block; 21. a limit groove; 22. a clamping column; 23. a return spring; 24. an upper sealing ring; 25. and a lower sealing ring.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a high-strength anti-corrosion slewing bearing. Referring to fig. 1-5, a high-strength corrosion-resistant slewing bearing comprises an inner ring 1 and an outer ring 2, wherein an inner arc groove 3 is formed in the outer side wall of the inner ring 1, an outer arc groove 4 is formed in the inner side wall of the outer ring 2, the inner arc groove 3 and the outer arc groove 4 are mutually matched to form a rolling path, a plurality of balls 5 are uniformly distributed on the inner wall of the rolling path in a circumferential array manner, a separation block 6 is arranged between two adjacent balls 5, an annular oil guide groove 8 is formed in the inner wall of the inner ring 1, a plurality of oil separation grooves 7 are formed in the inner wall of the inner ring 1, the inner arc groove 3 is communicated with the annular oil guide groove 8 through the plurality of oil separation grooves 7, two oil inlet grooves 9 are further formed in the inner side wall of the inner ring 1, the two oil inlet grooves 9 penetrate through the inner ring 1 and extend into the annular oil guide groove 8, oil inlet nozzles 10 are fixedly connected to the inner side walls of the inner ring 1 at the openings of the two oil inlet grooves 9, a plurality of mounting holes 14 are uniformly formed in the circumferential array on the outer wall of the top of the outer ring 2, a plurality of mounting holes 14 are uniformly formed in the circumferential array, a plurality of limiting grooves 21 are formed in the inner wall of mounting holes 14 and a clamping mechanism is formed in the inner wall of the plurality of limiting grooves 21.

The joint has upper seal ring 24 on the upper surface joint of inner circle 1 and outer lane 2 junction, the joint has lower seal ring 25 on the lower surface joint of inner circle 1 and outer lane 2, upper seal ring 24 and lower seal ring 25 all are annular setting, seal the upper portion of inner circle 1 and outer lane 2 junction through upper seal ring 24, and upper seal ring 24 can slide with inner circle 1 and outer lane 2 joint simultaneously, seal the lower portion of inner circle 1 and outer lane 2 junction through lower seal ring 25, and can slide when lower seal ring 25 and inner circle 1 and outer lane 2 joint simultaneously.

The inner wall fixedly connected with a plurality of fixed blocks 11 that the glib talker 10 is close to the glib talker 9, the outer wall fixedly connected with extrusion spring 12 of a plurality of fixed blocks 11, the one end fixedly connected with that the fixed block 11 was kept away from to extrusion spring 12 separates pearl 13, separates pearl 13 and glib talker 10 and keeps away from the laminating mutually of glib talker 9 tip inner wall, separates the outer wall diameter of pearl 13 and is greater than the inner wall diameter that glib talker 10 kept away from glib talker 9 port for separating pearl 13 can support the port of glib talker 10, and can not drop, thereby reaches sealed effect.

The clamping mechanism comprises a bolt 15 inserted into the inner wall of the mounting hole 14, a plurality of sliding grooves 19 are formed in the inner wall of the bolt 15, a spherical block 20 is slidably connected to the inner wall of the sliding grooves 19, a clamping column 22 is fixedly connected to the outer wall of the spherical block 20, which faces the outer side of the bolt 15, a plurality of clamping columns 22 penetrate through the sliding grooves 19 and extend into the limiting grooves 21, a reset spring 23 is fixedly connected to the outer wall of the spherical block 20, which faces the outer side of the bolt 15, of the spherical block 20, the reset spring 23 is sleeved on the outer wall of the clamping column 22, and one end, which is far away from the spherical block 20, of the reset spring 23 is fixedly connected to the inner wall of the sliding groove 19.

The clamping mechanism further comprises a supporting rod 16 inserted into the bolt 15, a threaded block 17 is fixedly connected to the top of the supporting rod 16, the threaded block 17 is in threaded connection with the inner wall of the bolt 15, and a hanging ring 18 is fixedly connected to the outer wall of the top of the threaded block 17.

The implementation principle of the high-strength anti-corrosion slewing bearing provided by the embodiment of the utility model is as follows: when the oil inlet nozzle is used, an external oil pipe is sleeved on the outer wall of the end part of the oil inlet nozzle 10, then lubricating oil is conveyed into the oil inlet nozzle 10 in a pressurizing mode, the lubricating oil presses the partition beads 13 downwards under the action of pressure, the partition beads 13 move towards the direction of the oil inlet groove 9, so that gaps are formed between the partition beads 13 and the inner wall of the oil inlet nozzle 10, the lubricating oil is conveyed into the inner part of the oil inlet groove 9 from the gaps, the partition beads 13 press the extrusion spring 12 when moving, the extrusion spring 12 deforms to generate elasticity, the lubricating oil flows into the annular oil guide groove 8 through the oil inlet groove 9, the annular oil guide groove 8 distributes the lubricating oil into the inner parts of the plurality of oil distributing grooves 7, the plurality of oil distributing grooves 7 spray the lubricating oil onto the inner wall of the inner arc-shaped groove 3, and when the plurality of balls 5 rotate, the lubricating oil is adhered to the inner wall of the inner arc-shaped groove 3 and the inner wall of the outer arc-shaped groove 4, so that the lubricating oil forms a layer of oil film, and further the inner wall of the joint of the inner ring 1 and the outer ring 2 is lubricated and protected, and abrasion is reduced;

the external oil pipe can be pulled out from the outer wall of the end part of the oil inlet nozzle 10 after lubrication is completed, at the moment, external lubricating oil is not extruded to the beads 13, the beads 13 are not extruded to the extrusion springs 12, the elastic force generated by the extrusion springs 12 enables the beads 13 to be propped against the inner wall of the end part of the oil inlet nozzle 10 again, and then sealing is automatically completed, so that the added lubricating oil is not easy to run out, and meanwhile, through the arrangement of the upper sealing ring 24 and the lower sealing ring 25, the lubricating oil entering the inner part of the rollaway nest is not easy to leak, and meanwhile, external impurity particles can be prevented from entering the rollaway nest to cause damage;

when the slewing bearing needs to be lifted, the plurality of bolts 15 are inserted into the mounting holes 14 through the clamping mechanism, then the supporting rod 16 is inserted into the bolts 15, before the supporting rod 16 is inserted into the bolts 15, under the elastic force of the plurality of return springs 23, the plurality of clamping columns 22 are in a state of being retracted into the bolts 15, when the supporting rod 16 is inserted into the bolts 15, the outer wall of the supporting rod 16 presses the spherical block 20, so that the spherical block 20 presses the return springs 23, meanwhile, the spherical block 20 drives the clamping columns 22 to be pressed into the plurality of limiting grooves 21 in the inner wall of the mounting holes 14, at this time, the bolts 15 are clamped and limited with the outer ring 2 through the clamping of the plurality of limiting grooves 21 and the clamping columns 22, then the threaded block 17 is rotated, so that the threaded block 17 drives the supporting rod 16 to slide down until the threaded block 17 is screwed down, at this time, the supporting rod 16 completely enters the interior of the bolts 15, and under the threaded connection of the threaded blocks 17 and 15, the supporting rod 16 cannot be separated from the interior of the bolts 15, so that the whole slewing bearing is realized, and finally the whole slewing bearing is realized through the clamping of the bolts 1 and the inner ring 18, and the whole slewing bearing is realized.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (6)

1. The utility model provides a high-strength anticorrosive slewing bearing, includes inner circle (1) and outer lane (2), its characterized in that: the inner arc groove (3) has been seted up to the lateral wall of inner circle (1), outer arc groove (4) has been seted up to the inside wall of outer lane (2), inner arc groove (3) with mutually supporting between outer arc groove (4) forms the raceway, raceway inner wall is circumference array evenly distributed and has a plurality of balls (5), adjacent two be provided with between ball (5) spacer block (6), annular oil groove (8) have been seted up to inner circle (1) inner wall, a plurality of oil grooves (7) have been seted up to the inner wall of inner circle (1), inner arc groove (3) through a plurality of oil grooves (7) with annular oil groove (8) are linked together, two oil groove (9) have still been seted up to the inside wall of inner circle (1) all run through inner circle (1) and extend to the inside of annular oil groove (8), inner circle (1) are located the inside wall of two oil groove (9) opening parts and all fixedly connected with oil inlet nozzle (10), the top outer wall of outer lane (2) is circumference evenly sets up a plurality of mounting holes (14) have a plurality of mounting holes (21) and a plurality of mounting holes (21).

2. The high strength corrosion resistant slewing bearing of claim 1, wherein: the upper surface joint of inner circle (1) and outer lane (2) junction has last sealing washer (24), and the joint of inner circle (1) and outer lane (2) junction's lower surface joint has lower sealing washer (25), go up sealing washer (24) with lower sealing washer (25) all are annular setting.

3. The high strength corrosion resistant slewing bearing of claim 2, wherein: the inner wall fixedly connected with fixed block (11) that inlet tap (10) is close to inlet groove (9), a plurality of outer wall fixedly connected with extrusion spring (12) of fixed block (11), the one end fixedly connected with that fixed block (11) was kept away from to extrusion spring (12) separates pearl (13), separate pearl (13) and inlet tap (10) keep away from the laminating mutually of inlet groove (9) tip inner wall, separate the outer wall diameter of pearl (13) and be greater than the inner wall diameter that inlet tap (10) kept away from inlet groove (9) port.

4. A high strength corrosion resistant slewing bearing as defined in claim 3, wherein: the clamping mechanism comprises a bolt (15) inserted into the inner wall of the mounting hole (14), a plurality of sliding grooves (19) are formed in the inner wall of the bolt (15), a plurality of spherical blocks (20) are slidably connected to the inner wall of the sliding grooves (19), clamping columns (22) are fixedly connected to the outer wall of the spherical blocks (20) outside the bolt (15), and the clamping columns (22) penetrate through the sliding grooves (19) and extend to the inner parts of the limiting grooves (21).

5. The high strength corrosion resistant slewing bearing of claim 4, wherein: the ball-shaped block (20) is fixedly connected with a reset spring (23) towards the outer wall of the outside of the bolt (15), the reset spring (23) is sleeved on the outer wall of the clamping column (22), and one end, away from the ball-shaped block (20), of the reset spring (23) is fixedly connected with the inner wall of the sliding groove (19).

6. The high strength corrosion resistant slewing bearing of claim 5, wherein: the clamping mechanism further comprises a supporting rod (16) inserted into the bolt (15), a threaded block (17) is fixedly connected to the top of the supporting rod (16), the threaded block (17) is in threaded connection with the inner wall of the bolt (15), and a hanging ring (18) is fixedly connected to the outer wall of the top of the threaded block (17).