CN217443527U - Auxiliary device for measuring magnetic induction intensity of annular electromagnetic stirrer - Google Patents

Abstract

The utility model relates to a measure annular electromagnetic agitator magnetic induction's auxiliary device, including ring carrier, cross fixed beam, horizontal pole, slider, montant, fixed pin, probe bracket, sliding sleeve, the last fixedly connected with cross fixed beam of ring carrier, the center department and the horizontal pole one end of cross fixed beam rotate to be connected, and the horizontal pole other end sets up on ring carrier, horizontal pole and slider sliding connection, slider and montant fixed connection, montant and sliding sleeve sliding connection, sliding sleeve and probe bracket fixed connection are connected with the fixed pin on the sliding sleeve. The advantages are that: simple structure, convenient operation, low manufacturing cost and low maintenance cost. The rotation of the cross bar by taking the shaft sleeve as a circle center is matched with the shaft sleeve to be in a line with the central point of the electromagnetic stirrer, so that the detection of the probe without dead angles is ensured, and the missing detection is avoided.

Description

Auxiliary device for measuring magnetic induction intensity of annular electromagnetic stirrer

Technical Field

The utility model belongs to the technical field of steelmaking continuous casting, a measure annular electromagnetic stirrer magnetic induction intensity's auxiliary device is related to.

Background

The electromagnetic stirring technology (EMS) plays an irreplaceable role in controlling and improving the front molten steel flow of a solid-liquid interface, expanding an equiaxed crystal area, refining grains, improving the surface and internal quality of a casting blank and the like. In order to obtain the best stirring effect, the accurate numerical values of various outputs of electromagnetic stirring in the working state and the magnitude and direction of the electromagnetic force need to be determined, so that the process parameters are optimized to be suitable for different steel grades, and the casting blank with the best quality is obtained. In terms of detection of various parameters and electromagnetic force of electromagnetic stirring equipment, few documents are mentioned at home and abroad, and generally, the magnetic induction intensity of electromagnetic stirring under no load is measured by a gauss meter during maintenance.

The gaussmeter is a common tool for measuring the magnetic flux of a magnetic object, can be used for measuring a direct current and alternating current magnetic field, is a relatively precise measuring instrument, and is generally used for slightly touching the surface of a measured magnet or the position of a measured space magnetic field by a probe held by an operator and then reading. Generally, a handheld probe can only read the indication of the magnetic induction at a certain position, and if a plurality of magnetic induction at a fixed height or a fixed angle from a certain surface need to be measured, the method of handheld can be difficult to realize. The Hall piece of the probe part has high sensitivity to a magnetic field, and when the distance and the angle between the probe and a measured point are different, a measurement result can generate great deviation; for the magnetic fields distributed with a plurality of magnetic poles, the magnetic field intensity at each position is different, and the error of the measurement result is relatively large; in addition, the gauss meter is different from person to person in detection, one magnet often measures several results sometimes, and multiple people measure the results, so that the inaccuracy of the measurement precision brings great trouble to the measurement work.

Disclosure of Invention

For overcoming the not enough of prior art, the utility model aims at providing a measure annular electromagnetic stirrer magnetic induction's auxiliary device can support the positioning probe, realizes magnetic induction and the magnetic flux distribution in the fixed area of true, accurate measurement annular electromagnetic stirrer internal magnetic field each point, convenient operation, reduction in production cost.

In order to achieve the above object, the utility model discloses a following technical scheme realizes:

the utility model provides a measure annular electromagnetic stirrer magnetic induction's auxiliary device, including the ring carrier, the fixed roof beam of cross, the horizontal pole, the slider, the montant, the fixed pin, the probe bracket, the sliding sleeve, the last fixed roof beam of fixedly connected with cross of ring carrier, the center department of the fixed roof beam of cross rotates with horizontal pole one end to be connected, the horizontal pole other end sets up on the ring carrier, horizontal pole and slider sliding connection, slider and montant fixed connection, montant and sliding sleeve sliding connection, sliding sleeve and probe bracket fixed connection are connected with the fixed pin on the sliding sleeve.

The bottom end of the vertical rod is fixed with a baffle.

The inner diameter of the annular support frame is matched with the inner diameter of the annular stirrer to be measured.

And end plates are fixed at four ends of the cross-shaped fixed beam and are fixedly connected with the outer edge of the annular support frame.

The cross fixing beam is fixed with a shaft sleeve at the center, and the cross rod is connected with the shaft sleeve in a rotating way.

The cross section of the cross bar is rectangular.

The cross section of the vertical rod is circular.

The surfaces of the cross rod and the vertical rod are provided with scales.

One end of the probe bracket is fixedly connected with a circular tube, and the other end of the probe bracket is fixed on the sliding sleeve.

The annular support frame, the cross fixed beam, the cross rod, the sliding block, the vertical rod, the sliding sleeve, the probe bracket and the fixed pin are all made of non-magnetic materials.

Compared with the prior art, the beneficial effects of the utility model are that:

the auxiliary device for measuring the magnetic induction intensity of the annular electromagnetic stirrer is simple in structure, convenient to operate, low in manufacturing cost and low in maintenance cost. The rotation of the cross bar by taking the shaft sleeve as a circle center is matched with the shaft sleeve to be in a line with the central point of the electromagnetic stirrer, so that the detection of the probe without dead angles is ensured, and the missing detection is avoided. The vertical rods can slide on the cross rods by rotation of the cross rods, the probe bracket is driven by the sliding sleeve to move up and down, so that the probes can circumferentially rotate and translate by 360 degrees in the cavity of the cylinder of the annular electromagnetic stirrer and can ascend and descend in the cavity, the probe bracket can stay at each point of the magnetic field space in the annular electromagnetic stirrer, the probes on the probe bracket can truly and accurately reflect the magnetic induction intensity of each point of the magnetic field space in the annular electromagnetic stirrer, and the magnetic flux distribution of a fixed area of the magnetic field space in the annular electromagnetic stirrer can be truly and accurately reflected; the method realizes purposeful non-repeated point-by-point detection, prolongs the service life of the probe, saves the time for maintenance and debugging, and reduces the production cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 annular support frame, 2 cross fixed beams, 3 shaft sleeves, 4 transverse rods, 5 sliding blocks, 6 vertical rods, 7 sliding sleeves, 8 probe brackets, 9 fixed pins, 10 probes, 11 gaussmeters and 12 annular electromagnetic stirrers.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.

Referring to fig. 1, an auxiliary device for measuring magnetic induction intensity of an annular electromagnetic stirrer comprises an annular support frame 1, a cross fixed beam 2, a cross rod 4, a slider 5, a vertical rod 6, a fixed pin 9, a probe bracket 8 and a sliding sleeve 7, wherein the cross fixed beam 2 is fixedly connected to the annular support frame 1, the center of the cross fixed beam 2 is rotatably connected with one end of the cross rod 4, the other end of the cross rod 4 is connected to the annular support frame 1, the cross rod 4 is slidably connected with the slider 5, the slider 5 is fixedly connected with the vertical rod 6, so that the vertical rod 6 can slide along the cross rod 4, the vertical rod 6 is slidably connected with the sliding sleeve 7, the sliding sleeve 7 is fixedly connected with the probe bracket 8, and the sliding sleeve 7 is connected with the fixed pin 9; the sliding sleeve 7 can move up and down on the vertical rod 6 and is locked by the fixing pin 9. The fixed pin 9 can be connected with the sliding sleeve 7 through threads, and the end part of the fixed pin 9 can be abutted against the vertical rod 6, so that the sliding sleeve 7 is fixed with the vertical rod 6.

Wherein, the bottom end of the vertical rod 6 is fixed with a baffle plate to prevent the sliding sleeve 7 from sliding off the vertical rod 6. The inner diameter of the annular support frame 1 is matched with the inner diameter of the annular stirrer to be measured, and the inner diameter of the annular support frame and the inner diameter of the annular stirrer to be measured can be equal. Four ends of the cross-shaped fixed beam 2 are all fixed with end plates which are fixedly connected with the outer edge of the annular support frame 1, and two end plates can be used for actual manufacturing

The shaped plates are mutually vertically and crosswise fixed to form. The annular support frame 1, the cross fixed beam 2, the cross rod 4, the sliding block 5, the vertical rod 6, the sliding sleeve 7, the probe bracket 8, the fixed pin 9 and the shaft sleeve 3 are all made of non-magnetic materials.

The center of the cross-shaped fixed beam 2 is fixed with a shaft sleeve 3, and the cross rod 4 is rotatably connected with the shaft sleeve 3 through a bearing. The cross rod 4 can rotate on the annular support frame 1 for 360 degrees by taking the shaft sleeve 3 as a pivot point. The cross-section of the cross-bar 4 is rectangular. The cross section of the vertical rod 6 is circular. Scales are arranged on the surfaces of the cross rod 4 and the vertical rod 6. One end of the probe bracket 8 is fixedly connected with a round pipe, and the other end is fixed on the sliding sleeve 7.

When the device is used, the annular support frame 1 is placed on the upper surface of the annular electromagnetic stirrer 12, the shaft sleeve 3 and the central point of the electromagnetic stirrer are in the same line, the probe 10 of the gauss meter 11 is placed in the probe bracket 8, the positions of the cross rod 4, the vertical rod 6 and the sliding sleeve 7 are adjusted, the top end of the probe 10 is made to be deep into a certain point to be measured of the internal magnetic field of the electromagnetic stirrer, the gauss meter 11 is opened to measure the magnetic induction intensity of the point after the fixed pin 9 on the sliding sleeve 7 is locked, the fixed pin 9 is loosened after the position is recorded, and the magnetic induction intensity of each point of the internal magnetic field of the annular electromagnetic stirrer 12 is measured point by rotating the cross rod 4, the movable sliding block 5 and the sliding sleeve 7.

In the method, the position of a certain point in the magnetic field in the annular electromagnetic stirrer 12 is set to be (°, X, Y,), the corresponding angle after the position of the rotating cross rod 4 is fixed on the annular support frame 1 is the relative angle value, the corresponding scale after the position of the sliding block 5 is fixed on the cross rod 4 is the relative X-axis coordinate value, and the corresponding scale after the position of the sliding sleeve 7 is fixed on the vertical rod 6 is the relative Y-axis coordinate value. The auxiliary device is used for measuring the magnetic induction intensity of each position of the magnetic field in the circulator electromagnetic stirrer, so that each point in the magnetic field corresponds to one magnetic induction intensity, the point-by-point measurement result can truly reflect the magnetic flux distribution in the region, detailed data is provided for optimizing the technological parameters of the electromagnetic stirrer, and great help is provided for improving the electromagnetic stirring effect.

Examples

The length of the outer diameter of a certain annular electromagnetic stirrer 12 is 800mm, the length of the inner diameter is 600mm, and the height of the electromagnetic stirrer is 900 mm.

This auxiliary device annular support frame 1 external diameter length is 800mm, and internal diameter length is 600mm, and 4 lengths of horizontal pole are 780mm, and effective stroke is 600mm, and 6 lengths of montant are 850 mm.

The auxiliary device is utilized to measure the magnetic induction intensity in the annular electromagnetic stirrer 12: after a probe 10 of a gauss meter 11 is placed in a probe bracket 8, the annular support frame 1 is placed on the upper surface of an annular electromagnetic stirrer 12, the shaft sleeve 3 and the central point of the electromagnetic stirrer are on the same line, the central point of the upper surface of the annular electromagnetic stirrer 12 is a circular point, and when the cross rod 4 rotates to the horizontal position, the coordinate of the original point is (0 degrees, 0 and 0). The positions of the vertical rod 6 and the sliding sleeve 7 are adjusted by rotating the cross rod 4, so that the top end of the probe 10 is deeply inserted into a certain point to be measured of the internal magnetic field of the electromagnetic stirrer, after the fixed pin 9 on the sliding sleeve 7 is locked, the gauss meter 11 is opened to measure the magnetic induction intensity of the point, after the position is recorded, the fixed pin 9 is loosened, and the magnetic induction intensity of each point of the internal magnetic field of the annular electromagnetic stirrer 12 is measured point by rotating the cross rod 4, moving the sliding block 5 and the sliding sleeve 7 to be repositioned.

Claims (10)

1. The utility model provides a measure annular electromagnetic stirrer magnetic induction's auxiliary device, a serial communication port, including the ring carrier, the fixed roof beam of cross, the horizontal pole, the slider, the montant, the fixed pin, the probe bracket, the sliding sleeve, the fixed roof beam of fixedly connected with cross on the ring carrier, the center department of the fixed roof beam of cross rotates with horizontal pole one end and is connected, the horizontal pole other end sets up on the ring carrier, horizontal pole and slider sliding connection, slider and montant fixed connection, montant and sliding sleeve sliding connection, sliding sleeve and probe bracket fixed connection, be connected with the fixed pin on the sliding sleeve.

2. The auxiliary device for measuring the magnetic induction of a toroidal electromagnetic stirrer according to claim 1 wherein said vertical rod is fixed at its lower end with a baffle.

3. The auxiliary device for measuring the magnetic induction of a ring-shaped electromagnetic stirrer according to claim 1, wherein the inner diameter of the ring-shaped support frame is matched with the inner diameter of the ring-shaped stirrer to be measured.

4. The auxiliary device for measuring the magnetic induction of a toroidal electromagnetic stirrer according to claim 1 wherein each end of said cross beam is fixed with an end plate, said end plates being fixedly connected to the outer rim of said toroidal support.

5. The apparatus of claim 1 wherein the cross beam is centrally mounted with a hub and the cross bar is rotatably connected to the hub.

6. The apparatus of claim 1 wherein the cross-section of the cross-bar is rectangular.

7. An auxiliary device for measuring the magnetic induction of a toroidal electromagnetic stirrer according to claim 1 wherein said vertical rod is circular in cross-section.

8. The auxiliary device for measuring the magnetic induction of an annular electromagnetic stirrer according to claim 1 wherein the surface of the cross bar and the surface of the vertical bar are provided with scales.

9. The auxiliary device for measuring the magnetic induction of an annular electromagnetic stirrer according to claim 1, wherein one end of the probe bracket is fixedly connected with a round tube, and the other end of the probe bracket is fixed on the sliding sleeve.

10. The auxiliary device for measuring the magnetic induction intensity of the annular electromagnetic stirrer according to claim 1, wherein the annular support frame, the cross fixing beam, the cross bar, the sliding block, the vertical bar, the sliding sleeve, the probe bracket and the fixing pin are all made of non-magnetic materials.

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