CN212225808U - Upper pressure type sealing structure slewing bearing - Google Patents

Abstract

The utility model discloses a go up pressure formula seal structure slewing bearing, including outer lane, inner circle and stereoplasm sealing washer, the oil storage tank has been seted up to oiling mouth and oiling mouth one end in the outer lane outside, the oil storage tank is inside to be fixed with slowly-releasing cotton through the draw-in groove, outer lane top and bottom all have been connected with fixing bolt and outer lane in top and interior bottom and have all seted up the reservation tank, reservation tank inside is provided with roof and roof bottom veneer and has had the stereoplasm sealing washer, and this go up pressure formula seal structure slewing bearing adopts pressure formula seal structure, can effectively prevent the stereoplasm sealing washer wearing and tearing, avoids appearing the leakage condition between outer lane and the inner circle, can push down the stereoplasm sealing washer through rotating fixing bolt after wearing and tearing simultaneously, adjusts it, carries out reuse.

Description

Upper pressure type sealing structure slewing bearing

Technical Field

The utility model relates to a slewing bearing technical field specifically is an upward pressure formula seal structure slewing bearing.

Background

The slewing bearing is a novel mechanical part and comprises an inner ring, an outer ring, a rolling body and the like, the slewing bearing is a large bearing capable of bearing comprehensive loads and can simultaneously bear larger axial and radial loads and overturning moment, the existing slewing bearing is poor in sealing structure, a sealing ring is glued between the outer ring and the inner ring through a clamping groove, the sealing ring is easy to wear after long-time use, and therefore the slewing bearing with the upper-pressure sealing structure is provided.

Patent like application publication No. CN201821496743.2 discloses a slewing bearing, be equipped with the seal groove along its circumferencial direction on the lateral wall of inner circle, be equipped with down the seal groove along its circumferencial direction on the inside wall of outer lane, be equipped with the last sealing washer of contradicting with the outer lane terminal surface in the last seal groove, be equipped with the lower seal circle of contradicting with inner circle 1 end wall in the lower seal groove, thereby utilize last sealing washer and lower seal circle can reduce lubricating oil and spill over, also can prevent in the dust entering raceway, but this slewing bearing's last sealing washer and lower seal circle adopt traditional mode installation and last seal groove and lower seal groove in, wear and tear easily after long-time the use, thereby lead to the appearance leakage condition between outer.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a go up pressure formula seal structure slewing bearing, adopt and go up pressure formula seal structure, can effectively prevent the stereoplasm sealing washer wearing and tearing, avoid appearing the leakage condition between outer lane and the inner circle, can push down the stereoplasm sealing washer through rotating fixing bolt simultaneously after wearing and tearing, adjust it, carry out reuse.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an upper pressure formula seal structure slewing bearing, includes outer lane, inner circle and stereoplasm sealing washer, the oil storage tank has been seted up to the outer lane outside and has been seted up to oiling mouth and oiling mouth one end, the oil storage tank is inside to be fixed with slowly-releasing cotton through the draw-in groove, outer lane top and bottom all are connected with fixing bolt and outer lane in the top and the interior bottom and have all seted up the reserve tank, the inside roof and the veneer of roof bottom that are provided with of reserve tank have the stereoplasm sealing washer, the outer lane inboard has been seted up No. two arc walls and the inside inner circle that is provided with of outer lane, inner circle one side has been seted up an arc wall and is provided.

As a preferred technical scheme of the utility model, the seal groove has all been seted up to inner circle top and bottom and the inside ball groove of having seted up of seal groove, the quantity of seal groove is a plurality of.

As the utility model discloses a preferred technical scheme, the oiling mouth is inside to be connected with the end cap through the thread groove, the cotton one end of slowly-releasing is located inside No. two arc walls.

As a preferred technical scheme of the utility model, the outer lane fixed orifices has been seted up in the outer lane outside, the quantity that the inner circle fixed orifices and outer lane fixed orifices were seted up in the inner circle outside is a plurality ofly.

As an optimized technical scheme of the utility model, the fixing bolt bottom is located inside the preformed groove.

Compared with the prior art, the beneficial effects of the utility model are that: adopt the upper pressure formula seal structure, can prevent effectively that the stereoplasm sealing washer from wearing and tearing, avoid appearing the leakage condition between outer lane and the inner circle, can push down the stereoplasm sealing washer through rotating fixing bolt after wearing and tearing simultaneously, adjust it, carry out reuse.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic side view of the present invention.

In the figure: the device comprises an outer ring 1, an inner ring 2, a hard sealing ring 3, a fixing bolt 4, an arc-shaped groove 5, an arc-shaped groove 6, an arc-shaped groove 7, an oil storage groove 8, slow release cotton 9, a plug 9, an oil filling port 10, auxiliary balls 11, an outer ring fixing hole 12, an inner ring fixing hole 13, a reserved groove 14, a top plate 15, a ball groove 16, a sealing groove 17 and steel balls 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a rotary support with an upper pressure type sealing structure comprises an outer ring 1, an inner ring 2 and a hard sealing ring 3, wherein the inner ring 2 is arranged behind the outer ring 1, a second arc-shaped groove 6 and a first arc-shaped groove 5 are clamped together, an inner steel ball 18 enables the outer ring 1 and the inner ring 2 to rotate, an oil filling port 10 is formed in the outer side of the outer ring 1, an oil storage tank 7 is formed in one end of the oil filling port 10, slow release cotton 8 is fixed inside the oil storage tank 7 through a clamping groove, a worker rotates and unscrews a plug 9, lubricating oil can be added into the oil storage tank 7 through the oil filling port 10, the lubricating oil is soaked in the slow release cotton 8 after entering the oil storage tank 7, the lubricating oil is wiped on the surface of the steel ball 18 when the steel ball 18 rotates, the redundant lubricating oil is stored inside the oil storage tank 7, the using amount of the lubricating oil can be saved, meanwhile, the lubricating oil filling period is shortened, the top plate 15 is arranged in the preformed groove 14, the hard sealing ring 3 is glued at the bottom of the top plate 15, the ball groove 16 is arranged at the bottom of the inner ring fixing hole 13 through the mounting groove, a worker uses a tool to rotate the fixing bolt 4 to push the top plate 15 to drive the hard sealing ring 3 to move downwards, the hard sealing ring 3 is pushed into the sealing groove 17, the auxiliary balls 11 at the bottom of the hard sealing ring 3 enter the ball groove 16, the hard sealing ring 3 plays a role in sealing between the outer ring 1 and the inner ring 2, the auxiliary balls 11 enter the ball groove 16, the hard sealing ring 3 can slide in the sealing groove 17, so that the rotation of the inner ring 2 cannot be influenced, the sealing structure is compact, the hard sealing ring 3 can be effectively prevented from being abraded, the leakage condition between the outer ring 1 and the inner ring 2 is avoided, and the hard sealing ring 3 can, adjust it, use once more, outer lane fixed orifices 12 has been seted up in the 1 outside of outer lane, the quantity that inner circle fixed orifices 13 and outer lane fixed orifices 12 have been seted up in the 2 outsides of inner circle is a plurality of, and a plurality of inner circle fixed orifices 13 are convenient to install inner circle 2 on external equipment, and a plurality of outer lane fixed orifices 12 are convenient to install external equipment with outer lane 1 on.

When in use: personnel rotate, unscrew end cap 9, can be through oiling mouth 10 to the inside lubricating oil that adds of oil storage tank 7, lubricating oil gets into oil storage tank 7 after, soaks in slowly-releasing cotton 8, wipes lubricating oil on the surface of steel ball 18 when steel ball 18 rotates, and unnecessary lubricating oil is stored inside oil storage tank 7, can save the quantity of lubricating oil, reduces the cycle of filling lubricating oil simultaneously.

The utility model discloses a go up pressure formula seal structure, personnel's use tool rotates fixing bolt 4, can promote roof 15 and drive stereoplasm sealing washer 3 and move down, go into in seal groove 17 with stereoplasm sealing washer 3 top, make the supplementary ball 11 of 3 bottoms of stereoplasm sealing washer get into ball inslot 16, stereoplasm sealing washer 3 plays sealed effect between outer lane 1 and inner circle 2, supplementary ball 11 gets into ball inslot 16, make stereoplasm sealing washer 3 can slide in seal groove 17, thereby can not influence the rotation of inner circle 2, the seal structure is compact, can effectively prevent stereoplasm sealing washer 3 wearing and tearing, avoid appearing the leakage condition between outer lane 1 and the inner circle 2, can push down stereoplasm sealing washer 3 through rotating fixing bolt 4 after stereoplasm sealing washer 3 wearing and tearing simultaneously, adjust it, reuse.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an upper pressure formula seal structure slewing bearing, includes outer lane (1), inner circle (2) and stereoplasm sealing washer (3), its characterized in that: oil filler point (10) and oil filler point (10) one end have been seted up in the outer lane (1) outside and oil storage tank (7) have been seted up, oil storage tank (7) are inside to be fixed with slowly-releasing cotton (8) through the draw-in groove, outer lane (1) top and bottom all are connected with fixing bolt (4) and outer lane (1) interior top and interior bottom and have all seted up reserve groove (14), reserve groove (14) inside is provided with roof (15) and roof (15) bottom veneer has stereoplasm sealing washer (3), No. two arc wall (6) and outer lane (1) inside are provided with inner circle (2) have been seted up to outer lane (1) inboard, inner circle (2) one side has been seted up and has been provided with steel ball (18) between arc wall (5) and No. two arc wall (6).

2. The upper pressure type seal structure slewing bearing according to claim 1, wherein: seal groove (17) and seal groove (17) inside have been seted up ball groove (16) all have been seted up to inner circle (2) top and bottom, the quantity of seal groove (17) is a plurality of.

3. The upper pressure type seal structure slewing bearing according to claim 1, wherein: the inside of the oil filling port (10) is connected with a plug (9) through a thread groove, and one end of the slow release cotton (8) is positioned inside the second arc-shaped groove (6).

4. The upper pressure type seal structure slewing bearing according to claim 1, wherein: outer ring fixed orifices (12) have been seted up in outer lane (1) outside, inner circle fixed orifices (13) and outer lane fixed orifices (12) are a plurality of in quantity have been seted up in inner circle (2) outside.

5. The upper pressure type seal structure slewing bearing according to claim 1, wherein: the bottom end of the fixing bolt (4) is positioned in the reserved groove (14).

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