CN2789272Y

CN2789272Y - Steel rolling heating furnace special shaped heat resisting steel sliding block

Info

Publication number: CN2789272Y
Application number: CN 200520025602
Authority: CN
Inventors: 张晓力; 靳少平; 薛宏; 吴国利
Original assignee: Handan Iron and Steel Group Co Ltd
Current assignee: Handan Iron and Steel Group Co Ltd
Priority date: 2005-04-18
Filing date: 2005-04-18
Publication date: 2006-06-21
Anticipated expiration: 2015-04-18

Abstract

The utility model relates to a steel rolling heating furnace special type heat resistant steel sliding block, which belongs the technical field of rolling devices and is used for solving the problem that a sub block of a sliding block on the bottom of a furnace is caducous as the movement of a steel billet. The utility model is composed of a sub block and a mother block which are jogged up and down. The utility model has the improvement that a staircase-shaped groove is arranged on the mother block; the front end of the groove is communicated along the length direction of the mother block, and the rear end is closed; the front part of the groove is in a T shape, and the rear part is in a rectangular cross section; a tenon is arranged on the sub block; the shapes and the contours of the tenon and the groove are mutually matched. The utility model having the reasonable mosaic structure of the mother block and the sub block makes the direction of the sub block quitting out of the mother block opposite to the direction of movement of the steel billet; while the movement of the other direction of the sub block is controlled by the mother block; thus, the sub block is not disengaged from the mother block when the utility model works; surface quality damage of the steel billet resulting from the disengagement of the sub block is avoided. In addition, a supporting lug is additionally arranged on the sub block and is extended to the outside, so the supporting area of the steel billet is increased and the derailment of the steel billet is prevented.

Description

Heater for rolling steel Idiotype high temperature steel slide block

Technical field

The utility model relates to a kind of inside heating furnace part, and the furnace bottom slide block in the special steel rolling base process furnace belongs to metallurgical steel rolling equipment technical field.

Background technology

Process furnace is an important operation in advance in the hot rolling technology, steel billet in stove, be heated to come out of the stove after the certain temperature rolling.The pusher-type furnace skid is made up of floor tube and high temperature steel slide block, a kind of slide block structure commonly used is combined by primary and secondary piece up and down, mother tuber is welded on the floor tube, in the insertion mother tuber suitable for reading of sub-piece by mother tuber, the problem that exists is, before the sub-piece, after, a left side, right, the motion of following direction is retrained by mother tuber, and it is unfettered to move upward, and when tapping adopts and holds out the formula tapping, causes the sub-piece in top easily with the steel billet motion and come off from mother tuber, after coming off, can cause sub-piece steel billet lower surface and the friction of female fast right angle, it is serious that the steel billet lower surface is scratched, and causes surface of steel plate to scab, and has a strong impact on plate quality.In addition, in operation in the past, steel billet sideslip accident occurred, i.e. steel billet motion deflection in the process furnace is pressed on the floor tube wrapping material and the phenomenon that slides down occurs on one side steel billet leaves the floor tube medullary ray, thus influence produce and normally carry out, reduce class's output.

Summary of the invention

The utility model is used to overcome the defective of prior art and provides a kind of primary and secondary piece rationally to inlay, the heater for rolling steel Idiotype high temperature steel slide block of avoiding sub-piece servo-actuated to come off.

The alleged problem of the utility model is that following technical scheme solves:

A kind of heater for rolling steel Idiotype high temperature steel slide block, form by sub-piece and mother tuber, both are chimeric up and down, mother tuber is fixed on the floor tube, and sub-piece top front end is provided with knuckle, and its special feature is: described mother tuber is provided with cascade groove, groove is along the perforation of mother tuber length direction front end, back-end closure, described groove is anterior, and described sub-piece is provided with tenon for T section, rear portion are the square-section, and tenon outline shape and groove profile shape are mated mutually.

Above-mentioned heater for rolling steel Idiotype high temperature steel slide block, a side of described sub-piece is provided with overhanging support ear, and described support ear top front end is provided with knuckle.

Above-mentioned heater for rolling steel Idiotype high temperature steel slide block is provided with the insulating refractory layer between described mother tuber and the sub-piece.

The drawback that the utility model is easily deviate from mother tuber at original design neutron piece, appropriate design primary and secondary piece pattern structure, it is opposite with steel billet direction of motion to make sub-piece withdraw from the direction of mother tuber, and the motion of sub-other direction of piece is all retrained by mother tuber, thereby sub-piece can not break away from mother tuber in the time of can guaranteeing work, has avoided factor piece to break away from and the billet surface compromised quality that causes.In addition, at the sideslip of steel billet, scrape wall and phenomenon such as slide down, set up support ear on sub-piece, support ear is overhanging, can increase the Area of bearing to steel billet, prevents the steel billet generation that slides down.Above-mentioned improvement shows respond wellly through trial run, accomplish the end in view, and can obviously improve plate surface quality and steel plate output.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the left view of Fig. 1;

Fig. 4 is the sectional drawing of the A-A face of Fig. 1;

Fig. 5 is the structural representation that band supports ears or side handles of a utensil piece;

Fig. 6 is the vertical view of Fig. 5;

Fig. 7 is the left view of Fig. 5.

The label of each parts is expressed as follows in the accompanying drawing: 1. mother tuber; 2. sub-piece; 3. floor tube; 4. support ear; 5. tenon; 6. insulating refractory layer.

Embodiment

Referring to Fig. 1～Fig. 4, the utility model is made up of sub-piece 2 and mother tuber 1, mother tuber and floor tube 3 seam, sub-piece is inlaid on the mother tuber, the front end at sub-piece top is provided with knuckle, and sub-piece front end is facing to the direction of motion of steel billet, steel billet is pushed away from sub-piece out-of-dately can not scratch its surface.As seen from the figure, mother tuber is provided with cascade groove, and groove is along the perforation of mother tuber length direction front end, back-end closure, and groove is anterior, and sub-piece is provided with tenon 5 for T section, rear portion are the square-section, and tenon outline shape and groove profile shape are mated mutually.It is opposite with steel billet direction of motion to make sub-piece withdraw from the direction of mother tuber during installation, and this structure makes that group is packaged goes into behind the mother tuber on it, down, a left side, the right side, after not removable, have only forward and can move.And because the steel billet motion is backward, sub-piece has the trend of motion backward under the effect of steel billet, and this trend is limited by the mother tuber groove, so reliably avoided sub-piece to come off.

Referring to Fig. 5～7, another improvement of the present utility model is to slide down at steel billet, side at sub-piece is provided with outwardly directed support ear 4, to increase the contact area of sub-piece and steel billet, equally, for preventing that support ear from scratching steel billet, support ear top front end promptly is provided with knuckle in the face of direction of motion one end of steel billet.During use, the slide block that will have a support ear alternately arranges along boiler tube length, stops the steel billet phenomenon that slides down thus.

Mother tuber and sub-piece are provided with insulating refractory layer 6, and it can play and cut off the effect of floor tube water-cooled temperature to the steel billet conduction, makes the steel billet homogeneous heating.

Claims

1. heater for rolling steel Idiotype high temperature steel slide block, form by sub-piece and mother tuber, both are chimeric up and down, mother tuber is fixed on the floor tube, and sub-piece top front end is provided with knuckle, it is characterized in that: described mother tuber (1) is provided with cascade groove, groove is along the perforation of mother tuber length direction front end, back-end closure, described groove is anterior, and described sub-piece (2) is provided with tenon (5) for T section, rear portion are the square-section, and tenon shape profile and groove shapes profile mate mutually.

2. heater for rolling steel Idiotype high temperature steel slide block according to claim 1, it is characterized in that: a side of described sub-piece is provided with overhanging support ear (4), and described support ear top front end is provided with knuckle.

3. heater for rolling steel Idiotype high temperature steel slide block according to claim 1 and 2 is characterized in that: be provided with insulating refractory layer (6) between described mother tuber and the sub-piece.