CN209206445U - A kind of device for the inspection slab mouth of a river size reducing artificial measurement error - Google Patents

Abstract

The utility model discloses a kind of device of inspection slab mouth of a river size for reducing artificial measurement error, the slab mouth of a river is inverted, being inserted perpendicularly into has above the positioning pin of clearance fit with mouth of a river internal diameter.Positioning pin is located at the center of rotating disk, and rotating disk is rotated by the center of circle of positioning pin, and by rotary course mouth of a river key position change in size, the detection of mouth of a river each position is completed in the reaction of caused photoelectric sensor.The utility model has the beneficial effects that the method that the mouth of a river of the utility model quickly checks eliminates the behavioral difference of manual inspection process, reduce human error；Using photoelectricity as detection means, result of variations is fed back using electronic product, is as a result fed back promptly and accurately.

Description

A kind of device for the inspection slab mouth of a river size reducing artificial measurement error

Technical field

The utility model relates to steel-making continuous casting production technical field, specifically a kind of dress for checking slab mouth of a river critical size It sets.

Background technique

Continuous casting tundish submerged nozzle is the key refractory material being connected between packet and crystallizer, to realization It is vital to guarantee that the stability being continuously poured serves for molding casting, stable crystalline device flow field and mold liquid level.It immerses Shape, exit angle and the bottom structure size at the formula mouth of a river directly affect the fluidised form of Mold and the floating of field trash Separation.

Since water-coating port process is complex in continuous casting, the size of each position will directly influence making for middle water-coating port Use effect.Mouth of a river size fine distinction will cause sheet billet continuous casting base quality fluctuation, the serious pernicious thing for directly causing bleed-out Therefore cause huge economic loss and security risk.

In normal productive process the mouth of a river baking before, have special messenger for submersed nozzle carry out size detection, but due to The problems such as personal operating habit, accountability, causing the detection of mouth of a river size, there are certain deviations, and continuous casting billet quality is promoted Very big hidden danger is caused with the control of slab serious accident.

Stringenter now with requiring for slab quality control, slab bleed-out causality loss cost is substantially improved, place The safety and environmental protection hidden danger for managing the generation of accident process, directly influences the normal production and operation of enterprise.It is how simply and effectively right Mouth of a river size carries out the detection of accurate quick, at key to solve this problem.

The method research and development that the slab mouth of a river quickly checks are to comply with the new requirement of slab quality of production control, and the technology is current Still belong to blank.

Utility model content

Purpose of the utility model is to solve above-mentioned technical problem, provide it is a kind of it is quick, convenient, reliably check plate The method of base mouth of a river critical size.

The technical solution of the utility model is: a kind of device for the inspection slab mouth of a river size reducing artificial measurement error, Including bracket, rotating disk, probe, optoelectronic induction detection part, it is lower face, upper plate that the cradle top, which is upper face, bottom, Supporter between face and lower face, supporter is plate or column, the space between adjacent supports body need enough slab mouths of a river into Out；Rotating disk is the rotational structure of energy support object, and the positioning of 2mm~3mm smaller than mouth of a river internal diameter is installed in rotating disk center Pin, positioning pin and mouth of a river internal diameter are clearance fits, and when exerting a force to rotating disk, rotating disk rotation, the slab mouth of a river is inverted in rotating disk On；The probe top is stopper, and probe sequentially passes through upper face, positioning sleeve, and stopper is located on upper face upper surface, positioning sleeve It is fixed on supporter by cross bar, the pedestal steel shell at the slab mouth of a river is touched in probe bottom end, and probe bottom end is round end, with pedestal steel shell Surface is point contact, and probe can slide up and down in positioning sleeve；The optoelectronic induction detection part is light source, photelectric receiver, Stopper opens up a cross through hole, and light source, photelectric receiver is arranged in cross through hole two sides, and the light that light source issues is by laterally logical Hole is received by photelectric receiver, and pedestal steel shell thickness changes, and probe has upper and lower movement, by the light intensity of cross through hole It changes, the luminous intensity that photelectric receiver receives is affected, and when light intensity variable quantity is more than setting range, generates Reaction warning.

Another set of light source, photelectric receiver further are set in upper face, reflector is equipped with above pedestal steel shell, instead Tabula rasa reflective surface is parallel to lower face, and the light that light source issues is received after reflector reflects by photelectric receiver, slab water When mouth rotation, if verticality changes, light is blocked, and the luminous intensity that photelectric receiver receives will be affected, in It is to generate reaction warning.

The positioning sleeve and probe are the limitation rotations of square hole, quadrangular cooperation.

The light source is laser pen light source, and photelectric receiver is photoelectricity buzzer.

The bracket is with steel plate bending into U-shaped, and top welding upper face, bottom welding lower face are made.

Compared with prior art, the utility model has the following beneficial effects:

(1) method that the mouth of a river of the utility model quickly checks eliminates the behavioral difference of manual inspection process, reduces Human error；

(2) critical size at the mouth of a river is all included in inspection, reduces the size test leakage bring risk of mouth of a river checking process；

(3) using photoelectricity as detection means, result of variations is fed back using electronic product, and as a result feedback is quasi- in time Really, reduce the accumulation of error caused by original method repeated detection, caused by check on the quality deviation.

To sum up, it compared with traditional pure manual inspection, checks fast, does not need frequently to rotate or stir water after primary placement Mouthful, it reduces mouth of a river pedestal and occurs the risk of interior raw crackle with mouth of a river joining place, method is easy, quick, can be timely in Water-coating port is checked, to the normalizing operation for improving continuous casting and reduces continuous casting quality and accident risk, has important guidance Meaning.

Detailed description of the invention

Fig. 1 is the schematic diagram of the utility model.

Specific embodiment

Such as figure, the slab mouth of a river is inverted, vertically by a kind of device for the inspection slab mouth of a river size for reducing artificial measurement error Insertion has above the positioning pin of clearance fit with mouth of a river internal diameter.Positioning pin is located at the center of turntable, and turntable is with positioning pin The center of circle is rotated, and by rotary course mouth of a river key position change in size, the mouth of a river is completed in the reaction of caused photoelectric sensor The detection of each position.It specifically includes: 1. making a bracket, with steel plate bending at U-shaped, upper face 1, bottom welding are welded in top Lower face 2, as supporter 3, the space between the two sides of U-shaped needs the disengaging at enough slab mouths of a river 4 for the two sides of U-shaped；② Making a rotating disk 5(can be used the rotational structure of dining room round table turntable), the installation of 5 center of rotating disk is smaller than mouth of a river internal diameter The positioning pin 6 of 2mm~3mm, positioning pin 6 and mouth of a river internal diameter are clearance fits, and when exerting a force to rotating disk 5, rotating disk 5 is rotated, plate The base mouth of a river 4 is inverted in rotating disk 5；3. making a probe 7,7 top of probe is stopper 7-1, and probe 7 sequentially passes through upper face 1, positioning sleeve 8, stopper 7-1 are located on 1 upper surface of upper face, and positioning sleeve 8 is fixed on supporter 3, the touching of 7 bottom end of probe by cross bar And the pedestal steel shell 4-1 at the slab mouth of a river 4, it is point contact with the surface pedestal steel shell 4-1 that 7 bottom end of probe, which is round end, and positioning sleeve 8 is protected The vertical of probe 7 is held, probe 7 can be slided up and down in positioning sleeve 8 but is not able to rotate；4. stopper 7-1 opens up a cross through hole, The cross through hole two sides setting light source 9(light source that needs polymerism strong, such as laser pen light source), photelectric receiver 10(can be used Photoelectricity buzzer), the light that light source 9 issues is received by cross through hole by photelectric receiver 10, and rotating disk 5 rotates, slab water Mouth 4 rotates with it, and under probe self gravity, 7 bottom round end of probe will contact the surface pedestal steel shell 4-1, when pedestal steel shell 4-1 thickness changes, and probe 7 just has upper and lower movement, and the probe below stopper 7-1 is not fixed while with upper face 1 can With movable, stopper 7-1 generate it is small move up and down, the upper and lower position of cross through hole just changes, then by laterally logical The light intensity in hole changes, and the luminous intensity that photelectric receiver 10 receives will be affected, if pedestal steel shell 4-1 thickness When variation is beyond sets requirement, warning is just generated, such as make a sound.The size of positioning pin 6 is mainly according to using in the mouth of a river Diameter is processed, and fit clearance meets the slab mouth of a river and is normally inserted into, and should not be too large, and is guaranteed that the mouth of a river is put and is obtained on the rotating pan With fixation, it is preferably dimensioned to be long 50mm, diameter cylinder 2mm smaller than the detection mouth of a river.

Another set of light source 9, photelectric receiver 10 are set in upper face 1, reflector 11 is equipped with above pedestal steel shell 4-1, 11 reflective surface of reflector is parallel to lower face 2, and the light that light source 9 issues is connect after the reflection of reflector 11 by photelectric receiver 10 It receives, when the slab mouth of a river 4 rotates, if verticality changes, light is blocked, and the luminous intensity that photelectric receiver 10 receives will It is affected, if verticality variation is beyond sets requirement, just generates warning, for example generate intensity of sound and apparent become occur Change, emphasis is needed to check the position.The angle for needing to regulate 9 light of light source makes light close to 4 top sides edge of the slab mouth of a river, Top sides are constituted along the state for just allowing light to pass through or light is allowed to pass through a part.Light source 9, photoelectricity can be made to connect in order to facilitate adjusting It receives device 10 and is fixed with magnet, with magnetic attraction function, inhale in the lower surface of upper face 1 (if light source 9, photelectric receiver 10 are placed on above upper face 1, also to open up light through hole in upper face 1).

Preferably, positioning sleeve 8 and probe 7 are that square hole, quadrangular cooperate to limit the rotation of probe, one section of probe 7 It is fabricated to quadrangular, positioning sleeve 8 has square hole up and down, and quadrangular is plugged in together with square hole, phase that can only be upper and lower To movement, but can not rotate.

Further, photelectric receiver 10 can also size for connection variation record display device, be shown as " electrocardiogram " formula Fluctuating change figure, and can be printed with paper, the variation for being more accurately seen to be which section is more significant.

Claims (6)

1. a kind of device for the inspection slab mouth of a river size for reducing artificial measurement error, which is characterized in that including bracket, rotation Disk, probe, optoelectronic induction detection part, it is lower face (2) that the cradle top, which is upper face (1), bottom, upper face (1) with It is supporter (3) between lower face (2), supporter (3) is plate or column, and the space between adjacent supports body (3) needs enough slabs The disengaging at the mouth of a river (4)；Rotating disk (5) is the rotational structure of energy support object, and rotating disk (5) center is installed than mouth of a river internal diameter The positioning pin (6) of small 2mm~3mm, positioning pin (6) and mouth of a river internal diameter are clearance fits, when exerting a force to rotating disk (5), rotating disk (5) it rotates, the slab mouth of a river (4) are inverted on rotating disk (5)；Probe (7) top is stopper (7-1), and probe (7) is successively worn Upper face (1), positioning sleeve (8) are crossed, stopper (7-1) is located on upper face (1) upper surface, and positioning sleeve (8) is fixed on by cross bar The pedestal steel shell (4-1) at the slab mouth of a river (4) is touched in supporter (3), probe (7) bottom end, and probe (7) bottom end is round end, with pedestal The surface steel shell (4-1) is point contact, and probe (7) can slide up and down in positioning sleeve (8)；The optoelectronic induction detection part is light Source (9), photelectric receiver (10), stopper (7-1) open up a cross through hole, and cross through hole two sides setting light source (9), photoelectricity connect Receive device (10), light source (9) issue light by cross through hole by photelectric receiver (10) receive, when probe (7) have it is upper and lower It is mobile, it changes by the light intensity of cross through hole, the luminous intensity that photelectric receiver (10) receives is affected, and generates Reaction warning.

2. a kind of device of inspection slab mouth of a river size for reducing artificial measurement error according to claim 1, feature It is: another set of light source (9), photelectric receiver (10) is set in upper face (1), are equipped with above pedestal steel shell (4-1) reflective Plate (11), reflector (11) reflective surface are parallel to lower face (2), and the light that light source (9) issues is after reflector (11) reflection It is received by photelectric receiver (10).

3. a kind of device of inspection slab mouth of a river size for reducing artificial measurement error according to claim 1, feature Be: the positioning sleeve (8) and probe (7) be square hole, quadrangular cooperation limitation rotate.

4. a kind of device of inspection slab mouth of a river size for reducing artificial measurement error according to claim 1, feature Be: the light source (9) is laser pen light source, and photelectric receiver (10) is photoelectricity buzzer.

5. a kind of device of inspection slab mouth of a river size for reducing artificial measurement error according to claim 1, feature Be: the bracket is with steel plate bending into U-shaped, and top welding upper face (1), bottom welding lower face (2) are made.

6. a kind of device of inspection slab mouth of a river size for reducing artificial measurement error according to claim 1, feature It is: photelectric receiver (10) size for connection variation record display device.