CN210788591U

CN210788591U - Fully-lubricated cooling bed apron plate vertical roll

Info

Publication number: CN210788591U
Application number: CN201921346395.5U
Authority: CN
Inventors: 胡晴
Original assignee: Nanjing Iron and Steel Co Ltd
Current assignee: Nanjing Iron and Steel Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-19
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a fully lubricated cold bed skirtboard edger roll, this cold bed skirtboard edger roll sets up the top at upper bearing through the oil-out with lubricated oil circuit to set up the clearance and form the decline oil duct between shaft and running roller internal surface, thereby it can reach the upper end earlier by it to lubricate, the lubricated bearing that is located the upper end, then flow to the bearing of lower extreme along the decline oil duct through the dead weight and lubricate, thereby the fully lubrication of lower extreme bearing about realizing, avoid appearing rotating the card and hinder, reduce the friction to the pole and the damage of equipment.

Description

Fully-lubricated cooling bed apron plate vertical roll

Technical Field

The utility model relates to a metallurgical equipment, concretely relates to fully lubricated cold bed skirtboard edger roll.

Background

In the production process of steel feeding of a cooling bed in a special bar factory, the product is easy to scratch the surface of the product due to large friction resistance of a roller way, so that the quality defect of the product is caused, the one-time flaw detection qualification rate is low, and the later repair cost is increased. The reason is mainly because the surface of the skirt board free vertical roller way of the existing cooling bed is quickly abraded and blocked by rotation. As shown in fig. 3, the main reason for causing the rotation jamming is that the original apron board vertical roller lubrication system adopts an oil-air lubrication mode, but the oil-air lubrication characteristic is not considered in the design of a lubrication oil channel, the upper bearing is not sufficiently lubricated, oil shortage is easily caused, the bearing is damaged, and the vertical roller is jammed.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to solve the defects of the prior art, the utility model provides a fully lubricated cooling bed skirtboard edger roll, this edger roll can effectively avoid rotating the card and hinder.

The technical scheme is as follows: the utility model relates to a fully lubricated apron board vertical roll of a cooling bed, which comprises a roller, a wheel shaft, an upper bearing and a lower bearing; the roller wheel is provided with an axially-through wheel shaft assembling hole, and the wheel shaft assembling hole is provided with a wheel shaft penetrating area in the middle and two bearing assembling areas respectively positioned at the upper end and the lower end; the wheel shaft is arranged in the wheel shaft assembling hole in a penetrating manner, and the upper bearing and the lower bearing are respectively and correspondingly arranged and fixed in the two bearing assembling areas and are sleeved on the wheel shaft; the center of the wheel shaft is provided with a lifting oil duct, the lifting oil duct extends outwards above the upper bearing, and an oil outlet is formed in the upper surface of the upper bearing; a gap is formed between the wheel shaft and the inner wall of the wheel shaft penetrating area, and the gap is communicated between the upper bearing and the lower bearing to form a descending oil passage; the oil gas discharged from the oil outlet firstly lubricates the upper bearing and then flows down through the descending oil duct to lubricate the lower bearing.

Wherein, in order to hold the lubricating oil circuit, the depth of the bearing assembling area at the upper end is deeper than that at the lower end.

Further, the diameter of the bearing assembling area is larger than that of the wheel axle penetrating area.

Further, the lower end of the ascending oil duct is provided with a regulating valve, so that the oil quantity of oil-air lubrication is regulated through the regulating valve.

Furthermore, a dust cover is arranged at the upper end of the roller and covers the upper part of the bearing assembly area at the upper end. Thereby avoiding the oxide scale from entering the inside of the roller and causing the roller to be blocked.

Has the advantages that: this cooling bed skirtboard edger roll sets up the top at upper bearing through the oil-out with lubricated oil circuit to set up the clearance and form the decline oil duct between shaft and running roller internal surface, thereby lubricated by it can reach the upper end earlier, lubricated bearing that is located the upper end, then flow to the bearing of lower extreme along the decline oil duct through the dead weight and lubricate, thereby the abundant lubrication of end bearing about realizing, avoid appearing rotating the card and hinder, reduce the friction to the pole and the damage of equipment.

Drawings

FIG. 1 is a schematic cross-sectional view of the cooling bed apron vertical roll of the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of the roller of the present invention;

FIG. 3 is a schematic structural diagram of a cooling bed apron vertical roll in the prior art.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

This example is based on the production diameter

The characteristics of the round bar are used for analyzing the angle between the contact area of the roller wheel of the apron board vertical roller and the round bar and the angle between the roller wheel and the inclined roller, the length of the vertical roller is redesigned, and the bearing installation position in the vertical roller is designed in a strengthening way, so that the weight of the original vertical roller is reduced by 20%.

Specifically, as shown in fig. 1 and 2, the apron vertical roll of the cooling bed comprises a roller 1, a wheel shaft 2, an upper bearing 3, a lower bearing 4, an ascending oil passage 5, an oil outlet 6, a descending oil passage 7, a dust cover 8 and a regulating valve 9.

In order to prevent the surface of the roller 1 from scratching the round bar, the cladding layer 10 is arranged on the outer surface of the roller 1 in the circumferential direction, and the round bar contact wear-resistant area of the roller 1 is formed by the cladding layer 10. The cladding layer 10 is a laser cladding layer, and the wear-resistant hardness of the laser cladding layer reaches 65 HRC. Thereby enhancing the wear resistance of the roller 1 and avoiding the roller from generating scratches and wearing the round bar.

The roller 1 has an axially through-going axle mounting hole having an axle-passing area 11 in the middle and two bearing mounting areas 12 at the upper and lower ends, respectively. In order to accommodate the lubricating oil passage, the depth of the bearing fitting region 12 at the upper end is deeper than the depth of the bearing fitting region 12 at the lower end, and the diameter of the bearing fitting region 12 is larger than the diameter of the axle-passing region 11.

The wheel shaft 2 is arranged in the wheel shaft assembling hole in a penetrating way, and the upper bearing 3 and the lower bearing 4 are correspondingly arranged and fixed in the two bearing assembling areas 12 respectively and are sleeved on the wheel shaft 2. An ascending oil duct 5 is arranged at the center of the wheel shaft 2, and a regulating valve 9 is arranged at the lower end of the ascending oil duct 5 and used for regulating the oil quantity of oil-gas lubrication. The rising oil passage 5 extends outward above the upper bearing 3 and forms an oil outlet 6 at the upper surface of the upper bearing 3, while the wheel axle 2 has a gap with the inner wall of the wheel axle passing region 11, which gap communicates between the upper bearing 3 and the lower bearing 4 and forms a falling oil passage 7. Thus, the oil gas discharged from the oil outlet 6 lubricates the upper bearing 3, and then flows down through the descending oil passage 7 to lubricate the lower bearing 4. Avoid the upper portion bearing lubrication insufficient, cause the rotation card to hinder, and then the wearing and tearing pole.

The dust-blocking cover 8 is arranged at the upper end of the roller 1 and covers the upper part of the bearing assembly area 12 at the upper end, so that the oxide scales are prevented from entering the inside of the roller 1, the rotation is not smooth, and the blockage or even the equipment damage is avoided.

Claims

1. A fully lubricated apron vertical roll of a cooling bed is characterized by comprising a roller (1), a wheel shaft (2), an upper bearing (3) and a lower bearing (4); the roller (1) is provided with an axially through wheel shaft assembling hole, and the wheel shaft assembling hole is provided with a wheel shaft penetrating area (11) positioned in the middle and two bearing assembling areas (12) respectively positioned at the upper end and the lower end; the wheel shaft (2) is arranged in the wheel shaft assembling hole in a penetrating manner, and the upper bearing (3) and the lower bearing (4) are correspondingly arranged and fixed in the two bearing assembling areas (12) respectively and are sleeved on the wheel shaft (2); the center of the wheel shaft (2) is provided with a rising oil duct (5), the rising oil duct (5) extends outwards above the upper bearing (3), and an oil outlet (6) is formed in the upper surface of the upper bearing (3); a gap is formed between the wheel shaft (2) and the inner wall of the wheel shaft penetrating area (11), the gap is communicated between the upper bearing (3) and the lower bearing (4) and forms a descending oil channel (7); the oil gas discharged from the oil outlet (6) firstly lubricates the upper bearing (3) and then flows down through the descending oil duct (7) to lubricate the lower bearing (4).

2. A fully lubricated skirt edger of a cooling bed as claimed in claim 1, wherein the depth of the bearing mounting area (12) at the upper end is deeper than the depth of the bearing mounting area (12) at the lower end.

3. Fully lubricated cold bed apron edging roll according to claim 1, characterized in that the diameter of the bearing fitting area (12) is larger than the diameter of the wheel axle through going area (11).

4. Fully lubricated cold bed apron edger according to claim 1, characterized in that the lower end of the rising oil channel (5) is provided with a regulating valve (9).

5. A fully lubricated apron-type vertical roller according to claim 1, characterized in that a dust-guard cover (8) is also provided, said dust-guard cover (8) being arranged at the upper end of said roller (1) and covering above said bearing-mounting area (12) at the upper end.