CN214814641U

CN214814641U - Go out base roller way device that fault rate is low

Info

Publication number: CN214814641U
Application number: CN202121495852.4U
Authority: CN
Inventors: 吴加兵; 韩美华
Original assignee: Nanjing Lianyin Heavy Machinery Co ltd
Current assignee: Nanjing Lianyin Heavy Machinery Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-11-23
Anticipated expiration: 2031-07-02

Abstract

The utility model provides a cogging roller device that fault rate is low, including cogging roller, primary shaft bearing, secondary shaft bearing, shaft coupling, protection casing and gear motor, primary shaft bearing and secondary shaft bearing are rotatable to be set up in cogging roller both ends, just cogging roller tip stretches out the secondary shaft bearing to output fixed connection through shaft coupling and gear motor, the shaft coupling outside is equipped with the protection casing, cogging roller both ends are equipped with roll table cold water import and roll table cold water export respectively for inside the letting in cooling water to cogging roller, be equipped with the interior cooling water import of cover and cover cooling water export on the protection casing, the inside cooling water that lets in of protection casing, the roll table cold water export is linked together through pipeline and cover interior cooling water import. The utility model has the advantages that the cold water cavity is arranged in the outer roller, so that a large amount of heat can be taken away in time, and the surface temperature of the knockout roller bed is reduced; the water cooling cavity is arranged in the protective cover, so that the radiation heat is blocked, and the damage of the speed reduction motor due to overheating is avoided.

Description

Go out base roller way device that fault rate is low

Technical Field

The utility model relates to a heavy machinery produces the field, particularly, relates to a play base roll table device that fault rate is low.

Background

The steel mill slab caster knockout roll table usually adopts the through roll design, adopts motor drive. The knockout roll table is easy to wear and deform due to the dual functions of high temperature and impact load of the conveyed plate blank, and the high-temperature plate blank is close to the speed reducing motor, so that the speed reducing motor is easy to overheat and damage. In addition, the shaft coupling between gear motor and ejection roll table does not have protective device, has personnel to be drawn into the danger of shaft coupling, has very big potential safety hazard. And the coupler part is exposed, and water vapor, dust and the like existing on site fall on the coupler, so that corrosion or adverse effect is caused on parts such as bolts and nuts of the coupler, and later-stage maintenance is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a knockout roll table device that fault rate is low, the easy wearing and tearing of knockout roll table among the prior art are out of shape, easily cause gear motor overheat to damage, and the shaft coupling does not have protective equipment, has the problem of very big potential safety hazard.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a cogging roller device that fault rate is low, includes cogging roller, primary shaft bearing, secondary shaft bearing, shaft coupling, protection casing and gear motor, primary shaft bearing and secondary shaft bearing are rotatable to be set up in cogging roller both ends, just cogging roller tip stretches out secondary shaft bearing to output fixed connection through shaft coupling and gear motor, the shaft coupling outside is equipped with the protection casing, cogging roller both ends are equipped with roll table cold water import and roll table cold water outlet respectively for to cogging roller inside let in the cooling water, be equipped with on the protection casing and cover cold water import and cover cold water export, be used for the inside cooling water that lets in of protection casing, roll table cold water export is linked together through pipeline and cover cold water import.

As the preferred scheme, the knockout roll table includes interior roller, outer roller and roller, interior roller is coaxial to be located inside the outer roller, the roller is coaxial to be located inside the interior roller, be equipped with the cold water chamber between outer roller and the interior roller, be equipped with the spiral baffle in the cold water intracavity, the air that has between roller and the interior roller separates the chamber, the axial passageway has been seted up to roller inside, radial passageway has been seted up at interior roller both ends, just radial passageway is linked together with the axial passageway.

As a preferred scheme, the side walls of the two ends of the outer roller are provided with drain outlets, and the drain outlets are communicated with the cold water cavity.

Preferably, the outer wall of the outer roller is coated with a wear-resisting plate.

According to the preferable scheme, the cover inner cooling water inlet and the cover inner cooling water outlet are respectively arranged at the lower part and the upper part of the protective cover, the roller bed cooling water inlet and the roller bed cooling water outlet are respectively arranged at the left end part and the right end part of the roller shaft, the roller bed cooling water outlet is provided with a cooling water rotary joint, and the cooling water rotary joint is connected with the cover inner cooling water inlet through a pipeline.

Compared with the prior art, the beneficial effects of the utility model include: by arranging the cold water cavity in the outer roller and respectively arranging the axial channel and the radial channel on the roller shaft and the inner roller, cooling water enters from the cold water inlet of the roller way, flows into the cold water cavity through the axial channel and the radial channel, flows back into the axial channel and flows out from the cold water outlet of the roller way, a large amount of heat is taken away in time, and the surface temperature of the knockout roller way is reduced; an air separation cavity is arranged between the inner roller and the roller shaft, so that heat transfer is well isolated, and heat received by the roller shaft is greatly reduced; the protective cover is arranged outside the coupler, so that the safety of a user is guaranteed, dust is prevented from entering the coupler, and the service life of equipment is prolonged; the water cooling cavity is arranged in the protective cover, so that the radiation heat of the high-temperature plate blank to the speed reducing motor can be well blocked, and the overheating damage of the speed reducing motor is avoided.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

fig. 1 is a schematic structural view of a low-failure-rate billet discharging roller bed device according to an embodiment of the present invention;

fig. 2 is a transverse sectional view of the ejection roller way according to the embodiment of the present invention.

Reference numbers in the figures: the device comprises a blank discharging roller way 1, an inner roller way 101, an outer roller way 102, a roller shaft 103, an air separation chamber 104, a cold water chamber 105, a spiral partition plate 106, a radial channel 107, an axial channel 108, a wear-resistant plate 109, a sewage discharge outlet 110, a first bearing seat 2, a second bearing seat 3, a coupling 4, a protective cover 5, a cold water outlet in a cover 5a, a cold water inlet in a cover 5b and a speed reducing motor 6.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

An embodiment according to the present invention is shown in conjunction with fig. 1. The utility model provides a cogging roller device that fault rate is low, including cogging roller 1, primary shaft bearing 2, secondary shaft bearing 3, shaft coupling 4, protection casing 5 and gear motor 6, primary shaft bearing 2 and secondary shaft bearing 3 are rotatable to be set up in cogging roller 1 both ends, and cogging roller 1 tip stretches out secondary shaft bearing 3, and through shaft coupling 4 and gear motor 6's output fixed connection, 4 outsides of shaft coupling are equipped with protection casing 5, user's safety has been guaranteed to protection casing 5, prevent that debris such as dust from getting into inside shaft coupling 4, the service life of equipment is prolonged. During operation, gear motor 6 rotates, drives knockout roll table 1 through shaft coupling 4 and rotates on first bearing frame 2 and second bearing frame 3, and the high temperature slab is placed and is transported on knockout roll table 1.

In this embodiment, the two ends of the ejection roller bed 1 are respectively provided with a roller bed cold water inlet and a roller bed cold water outlet for introducing cooling water into the ejection roller bed 1, the protection cover 5 is provided with an inner cooling water inlet 5b and an inner cooling water outlet 5a for introducing cooling water into the protection cover 5, and the roller bed cold water outlet is communicated with the inner cooling water inlet 5b through a pipeline.

Referring to fig. 2, the knockout roller table 1 comprises an inner roller 101, an outer roller 102 and a roller shaft 103, wherein the inner roller 101 is coaxially arranged inside the outer roller 102, the roller shaft 103 is coaxially arranged inside the inner roller 101, a cold water cavity 105 is arranged between the outer roller 102 and the inner roller 101, a spiral partition plate 106 is arranged in the cold water cavity 105, the flow of cooling water along the length direction of the roller is accelerated, and the water circulation efficiency is improved. An air separation chamber 104 is arranged between the roller shaft 103 and the inner roller 101, so that heat transfer is well insulated, and heat received by the roller shaft 103 is greatly reduced. An axial channel 108 is formed inside the roller shaft 103, radial channels 107 are formed at two ends of the inner roller 101, and the radial channels 107 are communicated with the axial channel 108.

Specifically, a cover inner cooling water inlet 5b and a cover inner cooling water outlet 5a are respectively arranged at the lower part and the upper part of the protective cover 5, a roller bed cooling water inlet and a roller bed cooling water outlet are respectively arranged at the left end part and the right end part of the roller shaft 103, a cooling water rotary joint is arranged at the roller bed cooling water outlet, and the cooling water rotary joint is connected with the cover inner cooling water inlet 5b through a pipeline. The cooling water swivel is prior art. When the device works, cooling water enters from a cold water inlet of the roller way, flows into the cold water cavity 105 through the axial channel 108 and the radial channel 107, flows back into the axial channel 108, flows out from a cold water outlet of the roller way, takes away a large amount of heat in time, and reduces the surface temperature of the knockout roller way 1. The water cooling cavity is arranged in the protective cover 5, so that the radiation heat generated by the high-temperature plate blank to the speed reducing motor 6 can be well blocked, and the overheating damage of the speed reducing motor 6 is avoided.

Further, the side walls of the two ends of the outer roller 102 are provided with drain outlets 110, and the drain outlets 110 are communicated with the cold water cavity 105. After long-time work, impurities and high-temperature residual water are accumulated in the cold water cavity 105, and the impurities and the high-temperature residual water are periodically removed by opening the sewage discharge outlet 110, so that the cooling efficiency of the water cooling roller is improved. An abrasion-resistant plate 109 is coated on the outer wall of the outer roller 102, and the abrasion-resistant plate 109 is made of zinc-chromium alloy and has good abrasion resistance.

To sum up, the beneficial effects of the utility model include: by arranging the cold water cavity 105 in the outer roller 102 and respectively arranging the axial channel 108 and the radial channel 107 on the roller shaft 103 and the inner roller 101, cooling water enters from the cold water inlet of the roller way, flows into the cold water cavity 105 through the axial channel 108 and the radial channel 107, flows back into the axial channel 108 and flows out from the cold water outlet of the roller way, a large amount of heat is taken away in time, and the surface temperature of the knockout roller way 1 is reduced; an air separation cavity 104 is arranged between the inner roller 101 and the roller shaft 103, so that heat transfer is well isolated, and heat received by the roller shaft 103 is greatly reduced; the protective cover 5 is arranged outside the coupler 4, so that the safety of a user is guaranteed, dust is prevented from entering the coupler 4, and the service life of equipment is prolonged; the water cooling cavity is arranged in the protective cover 5, so that the radiation heat generated by the high-temperature plate blank to the speed reducing motor 6 can be well blocked, and the overheating damage of the speed reducing motor 6 is avoided.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.

Claims

1. The utility model provides a cogging roll table device that fault rate is low, its characterized in that, including cogging roll table, primary shaft bearing, secondary shaft bearing, shaft coupling, protection casing and gear motor, primary shaft bearing and secondary shaft bearing are rotatable to be set up in cogging roll table both ends, just cogging roll table tip stretches out secondary shaft bearing to output fixed connection through shaft coupling and gear motor, the shaft coupling outside is equipped with the protection casing, cogging roll table both ends are equipped with roll table cold water import and roll table cold water outlet respectively for let in the cooling water to cogging roll table inside, be equipped with on the protection casing and cover cold water import and cover cold water export for the inside cooling water that lets in of protection casing, roll table cold water export is linked together through pipeline and cover cold water import.

2. The low-failure-rate knockout roller way device according to claim 1, characterized in that the knockout roller way comprises an inner roller, an outer roller and a roller shaft, the inner roller is coaxially arranged inside the outer roller, the roller shaft is coaxially arranged inside the inner roller, a cold water cavity is arranged between the outer roller and the inner roller, a spiral partition plate is arranged in the cold water cavity, an air separation cavity is arranged between the roller shaft and the inner roller, an axial passage is arranged inside the roller shaft, radial passages are arranged at two ends of the inner roller, and the radial passages are communicated with the axial passage.

3. The low-failure-rate knockout roller way device as claimed in claim 2, wherein the side walls of the two ends of the outer roller are provided with drain outlets, and the drain outlets are communicated with the cold water cavity.

4. The roller table device for the ejection with low failure rate as claimed in claim 2, wherein a wear-resistant plate is coated on the outer wall of the outer roller.

5. The cogging roller table device with low fault rate according to claim 2, wherein the cover inner cooling water inlet and the cover inner cooling water outlet are respectively arranged at the lower part and the upper part of the protective cover, the roller table cooling water inlet and the roller table cooling water outlet are respectively arranged at the left end part and the right end part of the roller shaft, the roller table cooling water outlet is provided with a cooling water rotary joint, and the cooling water rotary joint is connected with the cover inner cooling water inlet through a pipeline.