CN217358467U

CN217358467U - Device for on-line measuring air gap width and interface heat exchange coefficient of steel ingot and steel ingot mould

Info

Publication number: CN217358467U
Application number: CN202220664550.3U
Authority: CN
Inventors: 胡守瑶; 金红兵; 陶强
Original assignee: Nanjing Iron & Steel Group Metallurg Casting Co ltd
Current assignee: Nanjing Iron & Steel Group Metallurg Casting Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-09-02
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses an on-line measuring steel ingot and steel ingot mould's air gap width and interface heat transfer coefficient's device, which comprises a base, the rigid coupling has the framework in the basement, be equipped with measuring module and calculation module in the framework, measuring module include with frame, the slip that the framework is connected inlay in with the elevating platform, the activity of frame front side inlay and locate frame front side and screw thread run through in the threaded rod of elevating platform. The utility model discloses in, put the ingot mould between two splint, rotate the body of rod, until pressing from both sides the ingot mould tightly, inject the molten steel in the ingot mould, wait for the steel ingot solidification in-process, the steel ingot can take the rod iron to remove, the displacement distance of displacement sensor real-time detection rod iron calculates the air gap interval between ingot mould and the steel ingot through displacement data, meanwhile the sensor detects the temperature of steel ingot in real time, the reverse calculation system of coefficient of heat transfer calculates for measured temperature transmission, moreover, the steam generator is simple in structure, high durability and convenient use.

Description

Device for on-line measuring air gap width and interface heat exchange coefficient of steel ingot and steel ingot mould

Technical Field

The utility model relates to a technical field is measured to the steel ingot, specifically is the air gap width of on-line measurement steel ingot and steel ingot mould and interface heat transfer coefficient's device.

Background

The molten steel is poured into a casting mould through a ladle and is solidified to form a steel ingot. After the molten steel is smelted in a steel-making furnace, the molten steel must be cast into ingots or billets with certain shapes for processing. The process of casting a steel ingot by using a casting mold is simply called as ingot casting.

When the steel ingot is waiting for solidification and molding, the steel ingot can deform in different degrees, so that air gaps with different sizes can be formed between the steel ingot and an ingot mold, and a method which is convenient to use is lacked for measuring the air gaps at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.

Therefore, the utility model discloses the technical scheme who adopts does:

the device for on-line measurement of the air gap width and the interface heat exchange coefficient of the steel ingot and the steel ingot mold comprises a substrate, wherein a frame body is fixedly connected to the substrate, a measuring module and a calculating module are arranged on the frame body, the measuring module comprises a frame connected with the frame body, a lifting platform slidably embedded in the front side of the frame, a threaded rod movably embedded in the front side of the frame and threaded through the lifting platform, a motor arranged at the top of the frame and having an output shaft connected with the threaded rod, two clamping plates slidably connected with the lifting platform, the steel ingot mold detachably arranged between the two clamping plates, the steel ingot positioned in the front side of the steel ingot mold, a supporting plate arranged in the rear side of the steel ingot mold, a displacement sensor connected with the supporting plate, and a steel rod movably penetrating through the steel ingot mold and having a front end extending into the steel ingot, and the rear end of the steel rod is connected with the measuring end of the displacement sensor, the calculation module comprises a plurality of sensors arranged in the frame body and a heat exchange coefficient back calculation system electrically connected with the plurality of sensors.

Through adopting above-mentioned technical scheme, put the ingot mould between two splint, the body of rod rotates, until pressing from both sides the ingot mould tightly, pour into the molten steel in the ingot mould, wait for the steel ingot solidification in-process, the steel ingot can take the rod iron to remove, the displacement distance of displacement sensor real-time detection rod iron, calculate the air gap interval between ingot mould and the steel ingot through displacement data, meanwhile the sensor detects the temperature of steel ingot in real time, the measurement temperature is given heat transfer coefficient back calculation system and is calculated, moreover, the steam generator is simple in structure, high durability and convenient use.

The present invention may be further configured in a preferred embodiment as: the heat exchange coefficient back-calculation system is characterized in that a glass plate is embedded in the front side of the frame body, the glass plate and the frame body are integrally processed and cast, and the back side of the heat exchange coefficient back-calculation system is fixedly connected with the front side of the glass plate.

Through adopting above-mentioned technical scheme, set up the glass board, help the staff to know the measuring situation in the frame.

The present invention may be further configured in a preferred embodiment as: the sensors are arranged in a row at equal intervals, and divide the inside of the frame body into five measuring areas.

By adopting the technical scheme and the layout design, the interface heat exchange coefficient can be accurately measured.

The present invention may be further configured in a preferred embodiment as: the frame front side is opened and is equipped with and the inside intercommunication of framework and be suitable for the gliding rectangle spout of elevating platform, rectangle spout internally mounted has two guide arms, the threaded rod is located between two guide arms, the elevating platform is run through in the guide arm activity.

Through adopting above-mentioned technical scheme, the body of rod provides spacing and guide effect for the elevating platform, makes the elevating platform motion more steady.

The present invention may be further configured in a preferred embodiment as: the elevating platform front side is opened and is equipped with the dead slot that is suitable for splint gliding, the dead slot is located the threaded rod front side.

By adopting the technical scheme, the empty groove provides the conditions of horizontal translation for the clamping plates, and the two clamping plates can clamp the steel ingot mould with any size.

The present invention may be further configured in a preferred embodiment as: the lifting platform is movably provided with a rod body, the two clamping plates are sleeved on the outer side of the rod body, two sections of external threads with opposite rotating directions are processed on the outer side of the rod body, and the clamping plates are in threaded connection with the rod body.

By adopting the technical scheme, the rotating rod body can enable the two clamping plates to move oppositely, so that the purpose of clamping the ingot mold is realized.

The present invention may be further configured in a preferred embodiment as: two discs are sleeved on the outer side of the rod body and are respectively positioned on two sides of the lifting platform.

Through adopting above-mentioned technical scheme, the disc plays the effect of spacing body of rod, avoids the body of rod to break away from with the elevating platform.

The present invention may be further configured in a preferred embodiment as: a plurality of rod-shaped handles surround one end of the rod body, and the rod-shaped handles are arranged in a circular shape at equal intervals.

Through adopting above-mentioned technical scheme, set up the handle variable and be convenient for the staff and rotate the body of rod, improve use comfort.

By adopting the technical scheme, the utility model discloses the beneficial effect who gains does:

1. the utility model discloses in, put the ingot mould between two splint, rotate the body of rod, until pressing from both sides the ingot mould tightly, inject the molten steel in the ingot mould, wait for the steel ingot solidification in-process, the steel ingot can take the rod iron to remove, the displacement distance of displacement sensor real-time detection rod iron calculates the air gap interval between ingot mould and the steel ingot through displacement data, meanwhile the sensor detects the temperature of steel ingot in real time, the reverse calculation system of coefficient of heat transfer calculates for measured temperature transmission, moreover, the steam generator is simple in structure, high durability and convenient use.

2. The utility model discloses in, the motor makes the elevating platform transform height through driving the threaded rod rotation to measure multiunit data, make measuring result more accurate.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a schematic view of the measuring module of the present invention;

FIG. 3 is a right side view of the frame of the present invention;

fig. 4 is an enlarged view of the part a of fig. 3 according to the present invention.

Reference numerals:

100. a substrate;

200. a frame body;

300. a measurement module; 310. a frame; 320. a lifting platform; 330. a threaded rod; 340. a motor; 350. a splint; 360. an ingot mold; 370. steel ingot; 380. a supporting plate; 390. a displacement sensor; 391. a steel bar; 400. a calculation module; 410. a sensor; 420. and a heat exchange coefficient back calculation system.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in combination with the following embodiments. It should be noted that, in case of conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

It is to be understood that such description is merely exemplary and is not intended to limit the scope of the present invention.

The following describes the device for on-line measuring the air gap width and the interface heat transfer coefficient of the steel ingot and the steel ingot mould provided by some embodiments of the invention with reference to the attached drawings.

The first embodiment is as follows:

with reference to fig. 1-4, the utility model provides a device for on-line measuring air gap width and interface heat transfer coefficient of steel ingot and ingot mold, including basement 100, the rigid coupling has framework 200 on the basement 100, be equipped with measuring module 300 and calculation module 400 on the framework 200, measuring module 300 include with frame 310 that framework 200 is connected, slide inlay in with frame 310 front side elevating platform 320, activity inlay locate frame 310 front side and screw thread run through in the threaded rod 330 of elevating platform 320, install in frame 310 top and output shaft is connected with threaded rod 330 motor 340, with two splint 350 of elevating platform 320 sliding connection, demountable installation are in two ingot mold 360 between splint 350, be located the steel ingot 370 of ingot mold 360 front side, install in the backup plate 380 of ingot mold 360 rear side, with displacement sensor 390 that the backup plate 380 is connected, A steel bar 391 movably penetrating through the ingot mold 360 and extending to the inside of the ingot 370 at the front end, wherein the rear end of the steel bar 391 is connected with the measuring end of the displacement sensor 390;

the calculation module 400 includes a plurality of sensors 410 installed inside the frame 200 and a heat exchange coefficient back calculation system 420 electrically connected to the plurality of sensors 410.

Specifically, the frame body 200 front side inlays and is equipped with the glass board, the glass board is cast with frame body 200 integrated processing, heat transfer coefficient back-calculation system 420 rear side and glass board front side rigid coupling set up the glass board, help the staff to know the measuring condition in the frame body 200.

Further, the plurality of sensors 410 are arranged in a row at equal intervals, and the plurality of sensors 410 divide the inside of the frame body 200 into five measurement areas.

Further, the front side of the lifting platform 320 is provided with an empty groove suitable for the clamping plate 350 to slide, the empty groove is located on the front side of the threaded rod 330, and the empty groove provides a left-right translation condition for the clamping plate 350, so that the two clamping plates 350 can clamp the steel ingot mold 360 with any size.

Example two:

with reference to fig. 1-2, on the basis of the first embodiment, a rectangular sliding groove which is communicated with the inside of the frame 200 and is suitable for the lifting table 320 to slide is formed in the front side of the frame 310, two guide rods are installed in the rectangular sliding groove, the threaded rod 330 is located between the two guide rods, the guide rods movably penetrate through the lifting table 320, and the rod bodies provide limiting and guiding effects for the lifting table 320, so that the lifting table 320 moves more stably.

Example three:

referring to fig. 1-4, in the above embodiment, a rod body is movably mounted on the lifting platform 320, two clamping plates 350 are both sleeved on the outer side of the rod body, two sections of external threads with opposite rotation directions are processed on the outer side of the rod body, the clamping plates 350 are in threaded connection with the rod body, and the two clamping plates 350 can move in opposite directions by rotating the rod body, so that the purpose of clamping the ingot mold 360 is achieved.

Specifically, two disks are sleeved on the outer side of the rod body and are respectively located on two sides of the lifting table 320, and the disks play a role in limiting the rod body and avoid the rod body from being separated from the lifting table 320.

Further, body of rod one end surrounds there are a plurality of shaft-like handles, a plurality of shaft-like handles equidistant, be circular arrangement, set up the handle variable and be convenient for the staff and rotate the body of rod, improve use comfort.

The utility model discloses a theory of operation and use flow: when the utility model discloses when putting into practical use, put ingot mould 360 between two splint 350, then rotate the body of rod, after pressing from both sides ingot mould 360 tight, inject the molten steel in ingot mould 360, then wait for steel ingot 370 solidification process, steel ingot 370 can take the rod 391 to move, displacement sensor 390 real-time detection rod 391's displacement distance, then calculate the air gap interval between ingot mould 360 and the steel ingot 370 through displacement data, meanwhile sensor 410 detects steel ingot 370's temperature in real time, measured temperature transmits and calculates for heat transfer coefficient back calculation system 420, obtain the interface heat transfer coefficient between steel ingot 370 and the ingot mould 360 from this, during this period, motor 340 rotates through driving threaded rod 330 and makes elevating platform 320 transform height, thereby measure multiunit data, make the measuring result more accurate.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. Device of air gap width and interface heat transfer coefficient of on-line measurement steel ingot and ingot mould, including basement (100), the rigid coupling has framework (200) on basement (100), be equipped with measuring module (300) and calculation module (400) on framework (200), its characterized in that:

the measuring module (300) comprises a frame (310) connected with the frame body (200), a lifting platform (320) which is embedded in the front side of the frame (310) in a sliding manner, a threaded rod (330) which is embedded in the front side of the frame (310) in a movable manner and penetrates through the lifting platform (320) in a threaded manner, a motor (340) which is arranged at the top of the frame (310) and the output shaft of which is connected with the threaded rod (330), two clamping plates (350) which are connected with the lifting platform (320) in a sliding manner, an ingot mold (360) which is detachably arranged between the two clamping plates (350), an ingot (370) which is positioned at the front side of the ingot mold (360), a supporting plate (380) which is arranged at the rear side of the ingot mold (360), a displacement sensor (390) which is connected with the supporting plate (380), and a steel rod (391) which is movably penetrated through the ingot mold (360) and the front end of which extends to the interior of the ingot (370), the rear end of the steel bar (391) is connected with the measuring end of the displacement sensor (390);

the calculation module (400) comprises a plurality of sensors (410) arranged inside the frame body (200) and a heat exchange coefficient back calculation system (420) electrically connected with the plurality of sensors (410).

2. The device for on-line measurement of the air gap width and the interface heat exchange coefficient of the steel ingot and the ingot mold according to claim 1, wherein a glass plate is embedded in the front side of the frame body (200), the glass plate and the frame body (200) are integrally processed and cast, and the rear side of the heat exchange coefficient back calculation system (420) is fixedly connected with the front side of the glass plate.

3. The apparatus for on-line measurement of air gap width and interfacial heat transfer coefficient of steel ingot and ingot mold according to claim 1, wherein the plurality of sensors (410) are arranged in a line at equal intervals, and the plurality of sensors (410) divide the inside of the frame (200) into five measurement zones.

4. The device for on-line measurement of the air gap width and the interface heat exchange coefficient of the steel ingot and the ingot mold according to claim 1, wherein a rectangular sliding chute which is communicated with the inside of the frame body (200) and is suitable for the sliding of the lifting table (320) is formed in the front side of the frame (310), two guide rods are installed in the rectangular sliding chute, the threaded rod (330) is located between the two guide rods, and the guide rods movably penetrate through the lifting table (320).

5. An apparatus for on-line measurement of the air gap width and interfacial heat transfer coefficient of steel ingot and ingot mold according to claim 1, characterized in that the front side of the elevating platform (320) is opened with an empty groove adapted for the sliding of the clamping plate (350), which is located in front of the threaded rod (330).

6. The device for on-line measurement of the air gap width and the interface heat exchange coefficient of the steel ingot and the ingot mold according to claim 1, wherein a rod body is movably mounted on the lifting table (320), the two clamping plates (350) are sleeved outside the rod body, two sections of external threads with opposite rotation directions are processed outside the rod body, and the clamping plates (350) are in threaded connection with the rod body.

7. The device for on-line measurement of air gap width and interface heat transfer coefficient of steel ingot and ingot mold according to claim 6, characterized in that two discs are sleeved outside the rod body, and the two discs are respectively located on two sides of the lifting table (320).

8. The apparatus for on-line measurement of air gap width and interface heat transfer coefficient of steel ingot and ingot mold according to claim 7, wherein one end of the rod body encloses a plurality of rod-shaped handles, which are arranged in a circle at equal intervals.