CN210240332U - Sealed end cover assembly of backing roll bearing frame - Google Patents

Abstract

The utility model belongs to the technical field of the bearing frame, concretely relates to sealed end cover assembly of a back-up roll bearing frame, which comprises a base, an outer cutting sleeve, a bolt, an inner cutting sleeve and a semicircular clamping ring, wherein the base and the outer cutting sleeve are detachably connected through the bolt clamp; the bearing frame is provided with outer cutting ferrule and interior cutting ferrule, interior cutting ferrule can play dust seal's effect to the bearing, consequently prevent to a certain extent that dust particle from wafting in the roller track of bearing, increase bearing pivoted smoothness nature, reduce the rolling resistance, be provided with the semicircle rand between the outer lane of interior cutting ferrule and bearing, connect through rubber gasket between semicircle rand and the interior cutting ferrule, can play certain elasticity like this, when the installation, can adapt to great size error, therefore the required precision to the part is low, reduce the processing cost.

Description

Sealed end cover assembly of backing roll bearing frame

Technical Field

The utility model belongs to the technical field of the bearing frame, concretely relates to sealed end cover subassembly of backing roll bearing frame.

Background

The turntable bearing seat is a large and super-large bearing seat capable of receiving comprehensive load and having a special structure, and has the characteristics of compact structure, sensitive rotation, convenient device maintenance and the like. The bearing is provided with a supporting point, the inner supporting point of the bearing is a shaft, and the outer supporting is a bearing seat.

When the bearing is in operation, if the adhesion dust will cause the turning resistance grow on the roller, when the turning resistance grow, will cause and take place relative slip between bearing inner race and the bearing frame, therefore cause the wearing and tearing between bearing frame and the bearing, wearing and tearing are as the most common problem of bearing frame, the bearing frame wearing and tearing phenomenon also takes place often, traditional method generally adopts the post-surfacing machining to restore, and the surfacing can make the part surface reach very high temperature, cause the part to warp or produce the crackle, acquire the extension greatly that the size caused down time through machining, cause the influence to production and processing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sealed end cover subassembly of backing roll bearing frame to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed end cover subassembly of backing roll bearing frame, includes base, outer cutting ferrule, bolt, interior cutting ferrule and semicircle rand, base and outer cutting ferrule pass through the bolt card and dismantle the connection, detachably is connected with two and distributes from top to bottom between base and the outer cutting ferrule interior cutting ferrule, the outside of interior cutting ferrule is fixed with outer cutting ferrule, base matched with snap ring, is located the top the inboard of interior cutting ferrule is equipped with the semicircle rand, the semicircle rand with through rubber pad elastic connection, two between the interior cutting ferrule closes the space that forms and hold axle and bearing, and two interior cutting ferrule inboard all is equipped with first sealing and second sealing, just first sealing and second sealing are located the outer wall of bearing both sides portion axle.

Preferably, two form the oil storage chamber in the space that the cutting ferrule closes to forming, set up on the interior cutting ferrule respectively with the oil storage chamber and the oil impregnate passageway of first sealing portion intercommunication, can dismantle on the outer cutting ferrule and be connected with the oiling stopper, the below of oiling stopper be equipped with the oiling passageway that the oil impregnate passageway switches on.

Preferably, the inner side of the semicircular clamping ring is provided with a plurality of contact parts which are uniformly distributed and protrude inwards, and the contact parts and the semicircular clamping ring are integrally formed.

Preferably, the contact part is in a strip shape, and the contact part is arranged along the width direction of the semicircular clamping ring.

Preferably, the first sealing portion is an annular sealing ring with a circular cross section, and the second sealing portion is an annular sealing ring with a square cross section.

Preferably, the base is provided with a screw hole, and the bottom of the base is provided with a nut matched with the bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a bearing frame is provided with outer cutting ferrule and interior cutting ferrule, and interior cutting ferrule can play the effect of dust seal to the bearing, consequently prevents to a certain extent that the dust granule from wafting and falling in the roller track of bearing, increases bearing pivoted smoothness nature, reduces the rolling resistance.

2. The utility model discloses a be provided with the semicircle rand between the outer lane of interior cutting ferrule and bearing, connect through the rubber gasket between semicircle rand and the interior cutting ferrule, can play certain elasticity like this, when the installation, can adapt to great dimensional error, therefore the required precision to the part is low, reduces the processing cost.

3. The utility model discloses a can dismantle between interior cutting ferrule and the outer cutting ferrule, can also dismantle between semicircle rand and the interior cutting ferrule, after taking place wearing and tearing between bearing inner race and semicircle rand or the interior cutting ferrule, can in time change corresponding part, and need not change whole bearing frame, greatly reduced dead time.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic structural view of the middle inner card sleeve of the present invention;

FIG. 3 is a schematic view of the internal structure of the inner sleeve of the present invention;

fig. 4 is a schematic structural view of the middle semicircular clip ring of the present invention.

In the figure: 1. a base; 101. a screw hole; 2. an outer ferrule; 21. an oil filling plug; 211. an oil injection channel; 3. a bolt; 31. a nut; 4. an inner cutting sleeve; 401. an oil storage chamber; 402. an oil-permeable passage; 41. a first seal portion; 42. a second seal portion; 43. a snap ring; 5. a semi-circular collar; 51. a rubber pad; 52. a contact portion.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a sealed end cover subassembly of backing roll bearing frame, the on-line screen storage device comprises a base 1, outer cutting ferrule 2, bolt 3, interior cutting ferrule 4 and semicircle rand 5, base 1 and outer cutting ferrule 2 are through 3 card dismantlements of bolt and are connected, detachably is connected with two interior cutting ferrules 4 that distribute from top to bottom between base 1 and the outer cutting ferrule 2, the outside of interior cutting ferrule 4 is fixed with outer cutting ferrule 2, base 1 matched with snap ring 43, the inboard of the interior cutting ferrule 4 that is located the top is equipped with semicircle rand 5, through rubber pad 51 elastic connection between semicircle rand 5 and the interior cutting ferrule 4, two interior cutting ferrules 4 are closed to form the space that holds axle and bearing, and two interior cutting ferrule 4 inboards all are equipped with first sealing 41 and second sealing 42, and first sealing 41 and second sealing 42 are located the outer wall of bearing both sides portion axle.

In the embodiment, the base 1 and the outer sleeve 2 are detachably connected through a bolt 3, two inner sleeves 4 distributed up and down are detachably connected between the base 1 and the outer sleeve 2, a snap ring 43 matched with the outer sleeve 2 and the base 1 is fixed on the outer side of the inner sleeve 4, when the device is installed, the base 1 is fixed at a proper position through the bolt, then a shaft and a bearing are placed in the inner sleeve 4 on the base 1, then the upper part of the inner sleeve 4 is clamped, the outer sleeve 2 is covered, the bolt 3 penetrates through the outer sleeve 2 and the base 1 to be screwed, the inner side of the upper inner sleeve 4 is provided with a semicircular clamping ring 5, the semicircular clamping ring 5 is elastically connected with the inner sleeve 4 through a rubber pad 51, in order that the semicircular clamping ring 5 can exert pressing force on the outer ring of the bearing after the bolt 3 is screwed, and has certain adaptability to dimensional errors, therefore, can reduce the processing precision of the bearing and the matching parts, reduce the production cost, form the space for accommodating the shaft and the bearing by the two inner cutting sleeves 4, and the inner sides of the two inner cutting ferrules 4 are respectively provided with a first sealing part 41 and a second sealing part 42, the first sealing part 41 and the second sealing part 42 are positioned on the outer wall of the shaft at the two side parts of the bearing, the first sealing part 41 is a sealing ring with a circular section, a small amount of sealing oil can be stored around the sealing ring to achieve oil-sealing, the second sealing portion 42 is a sealing ring with a rectangular cross section, which has a dustproof function, the space for accommodating the shaft and the bearing can be effectively sealed by the first seal portion 41 and the second seal portion 42, preventing dust particles from falling in the roller track of the bearing to some extent, the smoothness of bearing rotation is improved, the rotation resistance is reduced, and the abrasion between the bearing outer ring and the bearing seat is avoided to a certain extent.

Specifically, two interior cutting ferrule 4 form oil storage chamber 401 in the space to closing formation, set up the oil impregnate passageway 402 who communicates with oil storage chamber 401 and first sealing 41 respectively on the interior cutting ferrule 4, can dismantle on the outer cutting ferrule 2 and be connected with oiling stopper 21, the below of oiling stopper 21 is equipped with the oiling passageway 211 that switches on with oil impregnate passageway 402, when need annotate the oil lubrication to the bearing, can unscrew oiling stopper 21, the below of oiling stopper 21 is oiling passageway 211 promptly, arrange the glib talker of oil bottle in oiling passageway 211 and extrude the oil bottle, lubricating oil enters into oil impregnate passageway 402 through oiling passageway 211, and enter into oil storage chamber 401, lubricate the roller of bearing, a part of lubricating oil enters into first sealing 41 simultaneously, oil in the oil blanket is replenished.

Specifically, semicircle rand 5's inboard is equipped with evenly distributed and has a plurality of and inside convex contact site 52, contact site 52 and semicircle rand 5 integrated into one piece, through inside convex contact site 52 can increase and the bearing outer lane between frictional force, further fixes the bearing outer lane, prevents relative slip, therefore just reduces the probability of wearing and tearing.

Specifically, the contact part 52 is in a strip shape, and the contact part 52 is arranged along the width direction of the semi-circular clamping ring 5, so that the friction force between the bearing outer ring and the semi-circular clamping ring 5 in the bearing rotation direction can be increased through the structure, and the relative rotation is prevented.

Specifically, the first sealing portion 41 is an annular sealing ring with a circular cross section, the second sealing portion 42 is an annular sealing ring with a square cross section, the first sealing portion 41 is a sealing ring with a circular cross section, a small amount of sealing oil can be stored around the sealing ring to realize oil seal, and the second sealing portion 42 is a sealing ring with a rectangular cross section and has a dustproof effect, so that the space for accommodating the shaft and the bearing can be effectively sealed through the first sealing portion 41 and the second sealing portion 42.

Specifically, a screw hole 101 is formed in the base 1, a nut 31 matched with the bolt 3 is arranged at the bottom of the base 1, when the base 1 is installed, the screw penetrates through the screw hole 101 and is installed at a proper position of equipment, and then the base 1 and the outer clamping sleeve 2 are installed in a matched mode through the bolt 3 and the nut 31.

The utility model discloses a theory of operation and use flow: when the bearing is installed, the base 1 is fixed at a proper position through a bolt, then the shaft and the bearing are placed in the inner clamping sleeve 4 on the base 1, then the inner clamping sleeve 4 at the upper part is clamped, the outer clamping sleeve 2 is covered, the bolt 3 penetrates through the outer clamping sleeve 2 and the base 1 to be screwed, in order to ensure that the semicircular clamping ring 5 can exert pressing force on the outer ring of the bearing after the bolt 3 is screwed, and has certain adaptability to dimensional errors, therefore, the processing precision of the bearing and accessories can be reduced, the production cost is reduced, because the bearing force of the shaft is downward, the semicircular clamping ring 5 is not arranged in the inner clamping sleeve 4 at the lower part and is integrally formed, the shape is matched with the semicircular clamping ring 5, the first sealing part 41 is a sealing ring with a circular section, a small amount of sealing oil can be stored around the sealing ring to realize oil-sealing, the second sealing part 42 is a sealing ring with a rectangular section, have dirt-proof effect, consequently can carry out effectual sealed to the space that holds axle and bearing through first sealing 41 and second sealing 42, prevent to a certain extent that dust particle from wafting and falling in the roller track of bearing, increase the rotational fluency of bearing, reduce the rolling resistance, also avoided wearing and tearing between bearing inner race and the bearing frame to a certain extent.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a sealed end cover subassembly of backing roll bearing frame which characterized in that: comprises a base (1), an outer clamping sleeve (2), a bolt (3), an inner clamping sleeve (4) and a semicircular clamping ring (5), wherein the base (1) and the outer clamping sleeve (2) are connected in a clamping and disassembling way through the bolt (3), the inner clamping sleeve (4) is detachably connected between the base (1) and the outer clamping sleeve (2) and vertically distributed, a clamping ring (43) matched with the outer clamping sleeve (2) and the base (1) is fixed at the outer side of the inner clamping sleeve (4), the semicircular clamping ring (5) is arranged at the inner side of the inner clamping sleeve (4) positioned above the base, the semicircular clamping ring (5) is elastically connected with the inner clamping sleeve (4) through a rubber pad (51), the two inner clamping sleeves (4) are combined to form a space for accommodating a shaft and a bearing, and a first sealing part (41) and a second sealing part (42) are arranged at the inner side of the inner clamping sleeve (4), and the first sealing part (41) and the second sealing part (42) are positioned on the outer wall of the shaft at two side parts of the bearing.

2. A backup roll chock seal end cap assembly as claimed in claim 1, wherein: two form oil storage chamber (401) in the space that interior cutting ferrule (4) involution formed, set up on interior cutting ferrule (4) respectively with oil storage chamber (401) and oil impregnate passageway (402) of first sealing (41) intercommunication, can dismantle on outer cutting ferrule (2) and be connected with oiling stopper (21), the below of oiling stopper (21) be equipped with oiling passageway (211) that oil impregnate passageway (402) switch on.

3. A backup roll chock seal end cap assembly as claimed in claim 1, wherein: the inner side of the semicircular clamping ring (5) is provided with a plurality of contact parts (52) which are uniformly distributed and protrude inwards, and the contact parts (52) and the semicircular clamping ring (5) are integrally formed.

4. A backup roll chock seal end cap assembly as claimed in claim 3, wherein: the contact part (52) is in a strip shape, and the contact part (52) is arranged along the width direction of the semicircular clamping ring (5).

5. A backup roll chock seal end cap assembly as claimed in claim 1, wherein: the first sealing portion (41) is an annular sealing ring with a circular cross section, and the second sealing portion (42) is an annular sealing ring with a square cross section.

6. A backup roll chock seal end cap assembly as claimed in claim 1, wherein: the base (1) is provided with a screw hole (101), and the bottom of the base (1) is provided with a nut (31) matched with the bolt (3).

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