CN201680841U - Continuous casting mold centering measurement device - Google Patents
Continuous casting mold centering measurement device Download PDFInfo
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- CN201680841U CN201680841U CN2010201099810U CN201020109981U CN201680841U CN 201680841 U CN201680841 U CN 201680841U CN 2010201099810 U CN2010201099810 U CN 2010201099810U CN 201020109981 U CN201020109981 U CN 201020109981U CN 201680841 U CN201680841 U CN 201680841U
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- sensor
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- housing
- thrust bearing
- worm gear
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Abstract
The utility model relates to a continuous casting mold centering measurement device, which has the technical scheme that the mounting plate (18) of the device is fixed on a shell (13) in a sliding device (6); the lower plane of the mounting plate (18) is vertical to the centre line of the shell (13); the mounting plate (18) is fixed on the platform of a support adjusting rack (7) through a bolt; a detection rod (5) and a worm wheel (16) are connected through a screw thread and are concentrically arranged in the shell (13); the lower end of the detection rod (5) is provided with a sensor (1); and the sensor (1) is connected with a digital display meter (9) through a cable (10). The use method of the device comprises the following steps: moving the detection rod (5), measuring the distance L2 between an outer side foot roll and the sensor (1) through the sensor (1), then measuring the distance L1 between an outer side support roll (12) and the sensor (1), and respectively selecting the minimum values of L1 and L2; calculating the arc-alignment length of the outer side foot roll (11) and the outer side support roll (12) according to a formula: deltaL=L2-L1, and then adjusting a continuous casting mold to make deltaL not greater than 0.3mm. The utility model has the characteristic of rapid and accurate measurement.
Description
Technical field
The utility model belongs to the continuous cast mold utility appliance, is specifically related to a kind of continuous cast mold centering measurement mechanism.
Background technology
The strand of continuous casting installation for casting production is the starting material of steel rolling, the quality of strand directly has influence on the quality of the whole operation of rolling and final products, and the crystallizer very important parts that are conticasters are ingot moulds of the no end of a Forced water cooling, can be described as " heart " of continuous casting installation for casting.The precision that continuous cast mold is installed directly has influence on the quality of strand.Especially the fan-shaped top of O first backing roll (hereinafter to be referred as first backing roll) of wide sufficient roller of crystallizer and bending section is a key factor that influences cc billet surface quality to the arc precision, and in a single day the arc deviation is transfinited, also can cause the serious production safety accident of this class of bleed-out to take place.
At present the conticaster of steelworks is many is provided by VAI industrial group (hereinafter to be referred as VAI), to the arc precision has been provided clear and definite requirement, and provides special-purpose centering measurement mechanism.The continuous cast mold centralising device that VAI provides is manual, and its critical part is the sounding rod that spirit level is equipped with in a upper end; The sounding rod lower end is provided with two armature devices, and upper armature is aimed at the sufficient roller side face of crystallizer, and lower armature is aimed at first backing roll side face; Make the straight-bar swing by armature suction, if sufficient roller does not align with first backing roll, the bubble in the spirit level just flows on one side so, if aimed at, bubble will be in the center.
The centralising device that VAI provides, the moving range estimation of armrest fully, whether the bubble position judgment by the range estimation spirit level centering, the deviation that can't show position between sufficient roller and first backing roll, and the amount of deflection between the two is extremely important for continuous casting process, if can not be controlled in the specialized range, cause potential safety hazard can for whole technology.The field engineer feels that generally this device operation is very inconvenient in addition, owing to can not provide effective deviate, be difficult to installing and locating crystallizer accurately, so the adjustment time is long and workload is big, these problems have seriously hindered safety, production work efficiently.
Summary of the invention
The utility model is intended to overcome the prior art defective, and purpose provides a kind of continuous cast mold centering measurement mechanism that can measure quickly and accurately.
For achieving the above object, the technical solution adopted in the utility model is: this device comprises sensor, test rod, carriage, support adjustment rack and digital display meter.Installing plate is fixed on the housing in the carriage, and the lower plane of installing plate is vertical with the center line of housing, and installing plate is fixed on the platform that supports adjustment rack by fastening bolt; Detect worm and wheel and be installed in concentrically in the housing, the lower end of test rod is equipped with sensor, and sensor is connected with digital display meter by cable.
The structure of carriage is: worm screw by Bearing Installation in housing, the worm and wheel engagement, the interior circle of worm gear is processed with internal thread, and test rod is provided with slide block topmost, be processed with external thread on the test rod at distance slide block lower plane 30～50mm place, worm gear and test rod are thread connection; The upper surface of worm gear and lower surface are equipped with thrust bearing and following thrust bearing respectively, and the lower surface of the upper surface of last thrust bearing and following thrust bearing is equipped with upper support piece and lower support piece respectively; Test rod, worm gear, go up thrust bearing, down thrust bearing, upper support piece and lower support piece all with the concentricity installation of housing.
In the technical program: sensor or be ultrasonic sensor or for laser sensor; Housing is the square tube shape, and the square tube shape is made up of " recessed " body and another " recessed " body; Housing upper end hollow parts is a slideway, and slide block is installed in the slideway, and the xsect of slide block is identical with the xsect of slideway, is square; Be respectively equipped with on the test rod and measure outer parapodum roller and measure pairing mark I-II of lateral branch runner and III-IV; Supporting adjustment rack is the special-purpose The Cloud Terrace of video camera or camera, and level meter is arranged on the The Cloud Terrace.
The using method of continuous cast mold centering measurement mechanism is:
The first step is placed on the platform of crystallizer supporting adjustment rack, by adjusting handle, makes the level vial centering adjustment that supports on the adjustment rack, then the fixed support adjustment rack;
Second step made the worm-gear driven test rod to lower slider by the turn worm screw, and when mark I-II skidded off the lower surface A of housing, record is the corresponding outer parapodum roller of section and the reading of the distance L 2 between sensor therewith, gets minimum value wherein;
The 3rd step continued to lower slider the worm-gear driven test rod by the turn worm screw, and when mark III-IV skidded off the lower surface A of housing, record is the corresponding lateral branch runner of section and the reading of the distance L 1 between sensor therewith, gets minimum value wherein;
In the 4th step, what calculate outer parapodum roller and lateral branch runner is Δ L=L2-L1 to arc, and mobile to the left or to the right crystallizer, illustrates and aims at if Δ L is less than or equal to 0.3mm to adjust Δ L;
In the 5th step, if Δ L greater than 0.3mm, then repeats first to fourth step, L is less than or equal to 0.3mm until Δ.
Since take technique scheme, the manual centralising device that the utility model provides at existing VAI, and the adjustment handle with on the supporting adjustment rack guarantees that orthogonal two detection sides are in the center to the bubble of level meter.Test rod is fixed on the upper support plane of supporting adjustment rack after the adjustment, the sensor that will be fixed on the test rod lower end simultaneously is connected by cable with digital display meter.Rotary worm, by the worm and gear motion test rod is slided up and down, can pickup from digital display meter relatively outside the distance of parapodum roller and lateral branch runner periphery, for the work to arc of crystallizer provides numerical basis, so just can carry out autotelic adjustment, crystallizer can be in place accurately and rapidly.
The advantage of this device is: first, directly provided the distance of outer relatively parapodum roller of sensor and lateral branch runner, on-the-spot staff can be easy to determine the direction and the size of crystallizer adjustment, the adjustment time of having saved crystallizer greatly by the data on the digital display meter; The second, adopt the worm and gear structure, make data acquisition more effective, the screw thread pair of worm gear and sounding rod also can make the device self-locking, prevents that sounding rod from gliding because of deadweight; The 3rd, easy to operate, be easy to safeguard that the sensitivity that only needs to check sensor can be used for a long time.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a carriage 6 and the scheme of installation that supports adjustment rack 7 among Fig. 1;
Fig. 3 is the scheme of installation of worm screw 15 among Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
A kind of continuous cast mold centering measurement mechanism.The structure of this device is as shown in Figure 1: this device comprises sensor 1, test rod 5, carriage 6, supports adjustment rack 7 and digital display meter 9.Installing plate 18 is fixed on the housing 13 in the carriage 6, and the lower plane of installing plate 18 is vertical with the center line of housing 13, and installing plate 18 is fixed on the platform that supports adjustment rack 7 by fastening bolt; Test rod 5 is installed in the housing 13 concentrically with worm gear 16, and the lower end of test rod 5 is equipped with sensor 1, and sensor 1 is connected with digital display meter 9 by cable 10.
The structure of carriage 6 such as Fig. 2, shown in Figure 3: worm screw 15 is installed in the housing 13 by bearing 14, cover plate 22 is equipped with in the outside of worm screw 15, worm screw 15 and worm gear 16 engagements, the interior circle of worm gear 16 is processed with internal thread, test rod 5 is provided with slide block topmost, be processed with external thread on the test rod 5 at distance slide block lower plane 30～50mm place, worm gear 16 and test rod 5 are thread connection; The upper surface of worm gear 16 and lower surface are equipped with thrust bearing 17 and following thrust bearing 20 respectively, and the lower surface of the upper surface of last thrust bearing 17 and following thrust bearing 20 is equipped with upper support piece 19 and lower support piece 21 respectively; Test rod 5, worm gear 16, go up thrust bearing 17, down thrust bearing 20, upper support piece 19 and lower support piece 21 all with housing 13 concentricity installations.
In the present embodiment: sensor 1 or be ultrasonic sensor or for laser sensor; As shown in Figure 3, housing 13 is the square tube shape, and the square tube shape is made up of " recessed " body 23 and another " recessed " body 24.Housing 13 as shown in Figure 2, its upper end hollow parts be slideway, slide block is installed in the slideway, the xsect of slide block is identical with the xsect of slideway, is square.As shown in Figure 1: be respectively equipped with on the test rod 5 and measure outer parapodum roller 11 and measure lateral branch runner 12 pairing mark I-II and III-IV; Supporting adjustment rack 7 is the special-purpose The Cloud Terrace of video camera or camera, and level meter is arranged on the The Cloud Terrace.
The using method of this measurement mechanism is:
The first step is placed on the platform of crystallizer 4 supporting adjustment rack 7, by adjusting handle 8, makes the level vial centering adjustment that supports on the adjustment rack 7, and the fixed support adjustment rack 7 then;
Second step made worm gear 16 drive test rods 5 to lower slider by turn worm screw 15, and when mark I-II skidded off the lower surface A of housing 13, record is the reading of the distance L 2 of 1 of the corresponding outer parapodum roller 11 of section and sensor therewith, gets minimum value wherein;
The 3rd step made worm gear 16 drive test rods 5 by turn worm screw 15 and continues to lower slider, and when mark III-IV skidded off the lower surface A of housing 13, record is distance L 1 reading of 1 of the corresponding lateral branch runner 12 of section and sensor therewith, gets minimum value wherein;
In the 4th step, what calculate outer parapodum roller 11 and lateral branch runner 12 is Δ L=L2-L1 to arc, and mobile to the left or to the right crystallizer 4, illustrates and aims at if Δ L is less than or equal to 0.3mm to adjust Δ L;
In the 5th step, if Δ L greater than 0.3mm, then repeats first to fourth step, L is less than or equal to 0.3mm until Δ.
This device has directly provided the distance of the outer relatively parapodum roller 11 of sensor 1 with lateral branch runner 12, and on-the-spot staff can be easy to determine the direction and the size of crystallizer 4 adjustment, the adjustment time of having saved crystallizer 4 greatly by the data on the digital display meter 9; Adopt the worm and gear structure, make data acquisition more effective, worm gear 16 also can make the device self-locking with the screw thread pair of sounding rod 5, prevents that sounding rod 5 from gliding because of deadweight; Easy to operate, be easy to safeguard that the sensitivity that only needs to check sensor 1 can be used for a long time.
Claims (5)
1. a continuous cast mold centering measurement mechanism is characterized in that this device comprises sensor [1], test rod [5], carriage [6], supports adjustment rack [7] and digital display meter [9]; Installing plate [18] is fixed on the housing [13] in the carriage [6], and the lower plane of installing plate [18] is vertical with the center line of housing [13], and installing plate [18] is fixed on the platform that supports adjustment rack [7] by fastening bolt; Test rod [5] is installed in the housing [13] concentrically with worm gear [16], and the lower end of test rod [5] is equipped with sensor [1], and sensor [1] is connected with digital display meter [9] by cable [10];
The structure of carriage [6] is: worm screw [15] is installed in the housing [13] by bearing [14], worm screw [15] and worm gear [16] engagement, the interior circle of worm gear [16] is processed with internal thread, test rod [5] is provided with slide block topmost, be processed with external thread on the test rod [5] at distance slide block lower plane 30～50mm place, worm gear [16] and test rod [5] are thread connection; The upper surface of worm gear [16] and lower surface are equipped with thrust bearing [17] and following thrust bearing [20] respectively, and the lower surface of the upper surface of last thrust bearing [17] and following thrust bearing [20] is equipped with upper support piece [19] and lower support piece [21] respectively; Test rod [5], worm gear [16], go up thrust bearing [17], down thrust bearing [20], upper support piece [19] and lower support piece [21] all with the concentricity installation of housing [13].
2. continuous cast mold centering measurement mechanism according to claim 1 is characterized in that described sensor [1] or for ultrasonic sensor or for laser sensor.
3. continuous cast mold centering measurement mechanism according to claim 1 is characterized in that described housing [13] is the square tube shape, and the square tube shape is made up of " recessed " body [23] and another " recessed " body [24]; Housing [13] upper end hollow parts is a slideway, and slide block is installed in the slideway, and the xsect of slide block is identical with the xsect of slideway, is square.
4. continuous cast mold centering measurement mechanism according to claim 1 is characterized in that being respectively equipped with on the described test rod [5] and measures outer parapodum roller [11] and measure the pairing marker I-II of lateral branch runner [12] and III-IV.
5. continuous cast mold centering measurement mechanism according to claim 1 is characterized in that the special-purpose The Cloud Terrace of described support adjustment rack [7] for video camera or camera, and level meter is arranged on the The Cloud Terrace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201099810U CN201680841U (en) | 2010-02-02 | 2010-02-02 | Continuous casting mold centering measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201099810U CN201680841U (en) | 2010-02-02 | 2010-02-02 | Continuous casting mold centering measurement device |
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|---|---|
| CN201680841U true CN201680841U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201099810U Expired - Fee Related CN201680841U (en) | 2010-02-02 | 2010-02-02 | Continuous casting mold centering measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697474A (en) * | 2015-03-10 | 2015-06-10 | 无锡惠科电工高新技术有限公司 | Novel centering detecting device |
-
2010
- 2010-02-02 CN CN2010201099810U patent/CN201680841U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697474A (en) * | 2015-03-10 | 2015-06-10 | 无锡惠科电工高新技术有限公司 | Novel centering detecting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20120202 |