CN202270737U

CN202270737U - Split type cooling table strengthening plate

Info

Publication number: CN202270737U
Application number: CN2011203842605U
Authority: CN
Inventors: 黄文龙
Original assignee: JIANGYIN XICHENG IRON & STEEL CO LTD
Current assignee: JIANGYIN XICHENG IRON & STEEL CO LTD
Priority date: 2011-10-11
Filing date: 2011-10-11
Publication date: 2012-06-13
Anticipated expiration: 2021-10-11

Abstract

The utility model relates to a split type cooling table strengthening plate which comprises a strengthening plate body (1), wherein the top of the strengthening plate body (1) is provided with a plurality of notches (11). The split type cooling table strengthening plate is characterized in that a straight section (12) extends from the front part of the strengthening plate body (1) and is provided with a detachable strengthening plate (2), and the top of the detachable strengthening plate (2) is provided with a first notch (21). The split type cooling table strengthening plate comprises the detachable strengthening plate, the detachable strengthening plate needs to only replaced when the first notch is damaged, and the split type cooling table strengthening plate does not need to be integrally replaced; and because of being cast by adopting two different materials, thus the split type cooling table strengthening plate has the advantages of low manufacture cost, low use and maintenance costs, abrasion resistance, energy saving and environmental protection.

Description

Split type cold bed straightening plate

Technical field

The utility model relates to the walking beam cooler in a kind of vertical bar bar production equipment, relates in particular to a kind of split type cold bed straightening plate, belongs to metallurgical steel rolling field.

Background technology

Cold bed is the work top that metallurgical steel rolling industry is effectively cooled off rolled products (screw-thread steel, garden steel, steel pipe etc.), and the cold bed that the vertical bar production line of bar uses is main with the profile of tooth walking beam cooler mainly.The profile of tooth walking beam cooler is formed and is divided three major parts: 1, approach table 2, cold bed 3, runout table; In this three major part, the composition of cold bed can be divided into three little part: a again and go into bed partly, b cold bed part, and c leaves the bed partly.

The cold bed straightening plate is positioned at cold-bed run-in table and cold bed intersection; At a position of going into of cold bed, be indispensable some in the vertical bar Bar Cooling Bed equipment, it plays bar connection effect from the roller-way to the cold bed in the cold-bed run-in table fast moving; Because temperature is very high behind the rolling bar; Be easy to bending, so just be straightening plate at the bed equipment partly of going into of cold bed, its effect is: catch all kinds of bars (by the mat woven of fine bamboo strips one notched joint) that from cold-bed run-in table, transport fast; And make these bars cooling shaping progressively on straightening plate, and progressively move into cold bed by control program.

Because the operating mode position of cold bed straightening plate is special,, require this equipment to have: wearability, heat-resisting quantity, deformation resistance preferably so the manufacturing of straightening plate equipment is required also very high.

The straightening plate that uses on the Bar Cooling Bed at present all is a monolithic construction, since the straightening plate particularity of working conditions, the employing grey cast-iron (HT) that its founding materials is general; A kind of preferably employing spheroidal graphite cast-iron (QT); The former is prone to processing, low cost of manufacture, but not wear-resisting; The latter is wear-resisting, but processing is difficult, and manufacturing cost is high.Because the quick slip when bar advances straightening plate; Produce friction with the mat woven of fine bamboo strips one groove of straightening plate, the straightening plate mat woven of fine bamboo strips one groove is worn and torn, when the straightening plate mat woven of fine bamboo strips one groove may wear to a certain degree, just must change straightening plate; Otherwise the production of bar is affected; Straightening plate is under normal situation about using, and their life cycle: grey cast-iron can use about 1 year, and spheroidal graphite cast-iron can use about a year and a half to two year.The quantity of each transposing is generally installed about half of total amount at the cold bed straightening plate, presses 120 meters calculating of cold bed length, uses 240 of straightening plates; Each transposing amount is by 100 calculating; Every purchase expense: spheroidal graphite cast-iron is greatly about 1750 yuan, about 1100 yuan of grey cast-irons, and the annual use and maintenance cost of straightening plate is up to tens0000; And the straightening plate casting processing cycle is long; Both wasted financial resources, material resources, waste energy again and cause pollution environment, obviously be not fine to creating energy saving and environment friendly society.

Summary of the invention

The purpose of the utility model is to overcome above-mentioned deficiency, provides that a kind of manufacturing expense is low, use and maintenance cost is low, the split type cold bed straightening plate of wear-resisting again, energy-saving and environmental protection.

The purpose of the utility model is achieved in that a kind of split type cold bed straightening plate; Comprise the straightening plate body; Some notches are arranged at the top of said straightening plate body; A straight section is stretched out in the front portion that it is characterized in that said straightening plate body, and said straight section is provided with detachable straightening plate, and the top of said detachable straightening plate is provided with first notch;

The top of said detachable straightening plate also is provided with second notch, and said second notch is positioned at the rear of first notch;

The upper surface of said straight section is respectively equipped with first keyway and second keyway along the straightening plate direction with the lower surface of detachable straightening plate, and said first keyway is connected through key with second keyway;

Said this body and function of straightening plate casting pig is made, and said detachable straightening plate is made with spheroidal graphite cast-iron;

Said straight section is connected through bolt with detachable straightening plate;

Said straight section and detachable straightening plate are provided with four first bolts hole and four second bolts hole of corresponding rectangular distribution, and said first bolt hole is connected through bolt with second bolt hole.

Compared with prior art, the beneficial effect of the utility model is:

1, manufacturing expense: this split type cold bed straightening plate adopts two kinds of different material castings; Its detachable straightening plate (about 32.55 kilograms of weight) adopts the casting of high-abrasive material spheroidal graphite cast-iron to make; Straightening plate body (about 111.56 kilograms of weight) adopts the grey cast-iron casting to make; Therefore: its manufacturing expense is more much lower than all-in-one-piece spheroidal graphite cast-iron expense, omits height a bit, about about 1360 yuan of every purchase expense than the expense of grey cast-iron.

2, result of use: this split type cold bed straightening plate result of use, its wearability and monoblock type spheroidal graphite cast-iron are equal! But the stability preferably that it also has grey cast-iron to have, thermal diffusivity is prone to casting, workability preferably.Say that in a sense it has two kinds of manufacturing materials advantage and characteristic separately, therefore, its use value is unlimited.

3, cost of use: the detachable straightening plate position volume of this split type cold bed straightening plate is little; In light weight; Every of its buying expenses is about 420 yuan, and the annual transposing maintenance cost of straightening plate is less than 30,000 yuan, and during transposing since the straightening plate body need not tear open; So change very convenient, not only the saving of labor, but also save time.

In sum; The split type cold bed straightening plate of the utility model is owing to comprise detachable straightening plate; When first notch damages, only need change detachable straightening plate and get final product, need not integral replacing, and the cold bed straightening plate adopts two kinds of different material castings; Manufacturing expense is low, use and maintenance cost is low, wear-resisting again, energy-saving and environmental protection.

Description of drawings

Fig. 1 is the structural representation of the utility model cold bed straightening plate.

Fig. 2 is the front view of straightening plate body.

Fig. 3 is the vertical view of Fig. 2.

Fig. 4 is the front view of detachable straightening plate.

Fig. 5 is the vertical view of Fig. 4.

Wherein:

Straightening plate body 1

Notch 11

Straight section 12

First bolt hole 121

First keyway 122

Detachable straightening plate 2

First notch 21

Second notch 22

Second bolt hole 23

Second keyway 24.

The specific embodiment

Referring to Fig. 1-Fig. 5; A kind of split type cold bed straightening plate that the utility model relates to; Comprise straightening plate body 1 and detachable straightening plate 2; Some notches 11 are arranged at the top of said straightening plate body 1, and a straight section 12 is stretched out in the front portion of said straightening plate body 1, and said straight section 12 is provided with four first bolts hole 121 of rectangular distribution; Be provided with first keyway 122 along the straightening plate direction in the middle of said four first bolts hole 121; The top of said detachable straightening plate 2 is provided with first notch 21, and the top of said detachable straightening plate 2 also is provided with second notch 22, and said second notch 22 is positioned at the rear of first notch 21; Said detachable straightening plate 2 be provided with straight section 12 on corresponding four second bolts hole 23 and second keyway 24 of four first bolts hole 121 and first keyway 122, said detachable straightening plate 2 is fixed in the top of straight section 12 through bolt and key.Said straightening plate body 1 usefulness casting pig is made, and said detachable straightening plate 2 usefulness spheroidal graphite cast-iron are made.

Because the mat woven of fine bamboo strips one notch 21 of detachable straightening plate 2 is friction positions that bar slides into cold bed; Just the cold bed straightening plate is owing to wearing and tearing here can't be used the root that needs replacing; Adopt this split type cold bed straightening plate structure; When first notch 21 damages, only need change detachable straightening plate 2 and get final product, need not integral replacing, practice thrift cost; At first notch, 21 rears second notch 22 is set, has strengthened detachable straightening plate overall dimensions, also increased intensity in the time of convenient the installation; Straight section 12 is connected through key with detachable straightening plate 2 and has prevented the laterally mobile of detachable straightening plate 2; Because first notch, 21 grindings of detachable straightening plate are severe, and the notch 11 of straightening plate body 1 is influenced little, adopts spheroidal graphite cast-iron and the casting pig material as detachable straightening plate 2 and straightening plate body 1 respectively, practices thrift cost.

Claims

1. split type cold bed straightening plate; Comprise straightening plate body (1); Some notches (11) are arranged at the top of said straightening plate body (1); A straight section (12) is stretched out in the front portion that it is characterized in that said straightening plate body (1), and said straight section (12) is provided with detachable straightening plate (2), and the top of said detachable straightening plate (2) is provided with first notch (21).

2. a kind of split type cold bed straightening plate according to claim 1 is characterized in that the top of said detachable straightening plate (2) also is provided with second notch (22), and said second notch (22) is positioned at the rear of first notch (21).

3. a kind of split type cold bed straightening plate according to claim 1; It is characterized in that the upper surface of said straight section (12) and the lower surface of detachable straightening plate (2) are respectively equipped with first keyway (122) and second keyway (24) along the straightening plate direction, said first keyway (122) is connected through key with second keyway (24).

4. a kind of split type cold bed straightening plate according to claim 1 is characterized in that said straightening plate body (1) makes with casting pig, and said detachable straightening plate (2) is made with spheroidal graphite cast-iron.

5. a kind of split type cold bed straightening plate according to claim 1 is characterized in that said straight section (12) is connected through bolt with detachable straightening plate (2).

6. a kind of split type cold bed straightening plate according to claim 5; It is characterized in that said straight section (12) and detachable straightening plate (2) are provided with four first bolts hole (121) and four second bolts hole (23) of corresponding rectangular distribution, said first bolt hole (121) is connected through bolt with second bolt hole (23).