CN219944130U - Slab length measuring device - Google Patents
Slab length measuring device Download PDFInfo
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- CN219944130U CN219944130U CN202321513592.8U CN202321513592U CN219944130U CN 219944130 U CN219944130 U CN 219944130U CN 202321513592 U CN202321513592 U CN 202321513592U CN 219944130 U CN219944130 U CN 219944130U
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- length measuring
- rack
- measuring device
- slab
- roller way
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- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000005259 measurement Methods 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model discloses a slab length measuring device, which comprises a length measuring roller way (1), wherein a slab is arranged on the length measuring roller way (1), one side of the length measuring roller way (1) is provided with a light detection sensor (6), the side of the length measuring roller way (1) is provided with a moving mechanism, and the moving mechanism is provided with a laser range finder (2).
Description
Technical Field
The utility model belongs to the field of measuring devices, and particularly relates to a slab length measuring device.
Background
When a slab in a steel mill enters the furnace for heating, the length of the slab needs to be measured on line so as to avoid the unplanned generation of the slab caused by the dimension error. In order to measure the length of the blank conveyed on the roller way, an encoder is installed at the tail of a motor of the roller way to measure the value of the length of the blank.
However, the method has limitations, because the blank frequently generates the phenomena of offset and skew on the roller way, the length of the blank is detected by an encoder arranged at the tail part of a motor of the roller way, and the skew blank on the roller way is measured, so that inaccurate blank length data can be caused; meanwhile, a gap cannot be formed between the roller way motor where the encoder is positioned and the roller way, otherwise, measurement errors can be caused.
The utility model patent with publication number of CN110586889A discloses a slab sizing measurement method named as a slab sizing measurement method on the 12 th month and 20 th 2019, which comprises the following steps: a measuring roller is arranged at the outlet of the fan-shaped section of the continuous casting machine, the measuring roller is driven to lift by a pneumatic cylinder, and is lifted and synchronously driven along with a slab during normal operation, and the end part of the measuring roller is connected with a photoelectric encoder; the side face of the train is provided with a rotation measuring device, and the train drives the gear to rotate and be meshed with the track when walking. The slab length measurement method cannot guarantee the accuracy of slab length measurement.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a slab length measuring device capable of measuring the length of a skewed slab and accurate in measured data.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the slab length measuring device comprises a length measuring roller way, wherein the slab is arranged on the length measuring roller way, one side of the length measuring roller way is provided with a light detection sensor, the side of the length measuring roller way is provided with a moving mechanism, and the moving mechanism is provided with a laser range finder.
The moving mechanism comprises a rack, the laser range finder is arranged at the end part of the rack, a gear is arranged on the rack, the gear is matched with the rack, and one side of the gear is connected with a transmission motor.
The support seat is arranged below the rack, the tug is arranged on the support seat, and the bottom end of the rack is arranged on the tug.
The laser range finders are two, and the laser range finders are arranged in parallel.
The tug is provided with a groove, and the bottom end of the rack is arranged in the groove.
The supporting seats are arranged in pairs.
The supporting seat is provided with a wheel shaft, and the tug is movably connected with the supporting seat through the wheel shaft.
The gear is arranged between the supporting seats.
The length measuring roller way comprises conveying rollers, the conveying rollers are arranged at equal intervals, and the end parts of the conveying rollers are connected with motors.
The bottom of the supporting seat is provided with a bottom plate, and the supporting seat is fixedly connected with the bottom plate.
The utility model has the technical effects that: the slab length measuring device replaces the traditional measuring mode by adopting the encoder, avoids measuring errors caused by gaps in connection between a roller way motor where the encoder is positioned and a roller way, solves the problem of large measured data in a blank skew state, and improves the accuracy of blank length data.
The laser range finders are arranged on the sides of the length measuring roller way of the blank, the movement of the laser range finders is realized through the meshing transmission of the racks and the gears, the distance between two ends of the blank is measured through the two groups of laser range finders which are arranged in parallel, and even if the blank is skewed in the conveying process, the accuracy of measured length data can be ensured. The device has the advantages of high reliability of transmission of each component, convenient installation and maintenance, long and stable working life, and is applicable to production line environments.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
fig. 1 is a schematic structural view of a slab length measuring apparatus of the present utility model;
fig. 2 is a schematic structural view of a moving mechanism of the slab length measuring device of the present utility model;
fig. 3 is a schematic side view of a moving mechanism of the slab length measuring device of the present utility model.
Marked in the figure as: 1. a length measuring roller way; 2. a laser range finder; 3. a gear; 4. a rack; 5. a drive motor; 6. a light detection sensor; 7. a support base; 8. towing wheel; 9. a groove; 10. a bottom plate; 11. a conveying roller; 12. and a wheel axle.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid those skilled in the art in a more complete, accurate and thorough understanding of the inventive concepts and aspects of the utility model, and to facilitate their practice.
As shown in fig. 1 to 3, the slab length measuring device comprises a length measuring roller way 1, a slab is arranged on the length measuring roller way 1, a light detection sensor 6 is arranged on one side of the length measuring roller way 1, a moving mechanism is arranged on the side of the length measuring roller way 1, and a laser range finder 2 is arranged on the moving mechanism.
The transmission mechanism of the equipment is formed by meshing a gear 3 with a rack 4, a laser range finder 2 is arranged at the end part of the rack 4, the gear 3 is driven by a transmission motor 5 with a built-in encoder, and the laser range finder 2 drives the rack 4 to realize reciprocating operation according to the transmission gear 3; the combination of the laser rangefinder 2, the rack 4, the gear 3 and the drive motor 5 serves as a laser rangefinder.
The method comprises the steps that light detection sensors 6 are arranged on the incoming material side of a measurement roller way blank, laser ranging devices are respectively arranged at two ends of a length measurement roller way 1, the installation distance of the two laser ranging devices is determined according to the design length of the blank, communication is established between the light detection sensors 6, the laser ranging devices 2 and encoders of a transmission motor 5 and a PLC, and a length measurement data model is established between the light detection sensors 6, the laser ranging devices 2 and the encoders of the transmission motor 5 and acquired distance data of the two sets of laser ranging devices 2.
As shown in fig. 1 and 2, the design distance between the two laser ranging devices must exceed the maximum design length of the blank; and the rack 4 needs to be higher than the roller surface and not higher than the top of the blank; the travel distance of the two laser ranging devices running towards the roller way direction is determined according to the field environment, but the two groups of laser ranging devices 2 can reach the detection position, the two groups of laser ranging devices can synchronously run and have consistent parameters, and the running distance can be recorded and sent to the PLC system through a built-in encoder of the transmission motor 5.
As shown in fig. 2 and 3, the moving mechanism comprises a rack 4, the laser range finder 2 is arranged at the end part of the rack 4, a gear 3 is arranged on the rack 4, the gear 3 is matched with the rack 4, and one side of the gear 3 is connected with a transmission motor 5.
The moving mechanism adopts the meshing transmission of the gear 3 and the rack 4, and converts the rotation of the motor into the linear motion of the rack 4, so that the length of the blank is measured by the laser range finder 2, and meanwhile, the rack 4 can perform the cyclic reciprocating linear motion through the forward and reverse rotation of the motor, so that the blank can not be prevented from being conveyed on the conveying roller 11.
The gear 3 and the rack 4 are adopted for meshed transmission, so that the structure is simple, the maintenance and the installation are convenient, the transmission power is large, the transmission ratio can be kept constant, and the reliability of power transmission is further ensured; and the working life is long and stable, and the method is applicable to the production line environment.
As shown in fig. 2, a supporting seat 7 is arranged below the rack 4, a tug 8 is arranged on the supporting seat 7, and the bottom end of the rack 4 is arranged on the tug 8. The supporting seat 7 is used for supporting the rack 4, the tug 8 can reduce the resistance of the movement of the rack 4, the transmission is convenient, the rack 4 can be limited, and the rack 4 is prevented from falling out of the tug 8.
The number of the laser rangefinder 2 is two, and the laser rangefinder 2 is arranged in parallel. The two laser rangefinders 2 can respectively detect the distance from the two ends of the blank to the laser rangefinder 2, and the difference between the distance data of the two groups of laser rangefinders 2 and the data of the distance data is blank length data; the two laser rangefinders 2 are arranged in parallel, so that the distance between the two laser rangefinders 2 is fixed, and the accuracy of measurement data can be ensured.
As shown in fig. 3, the tug 8 is provided with a groove 9, and the bottom end of the rack 4 is arranged in the groove 9. The grooves 9 on the two tugs 8 form a track for the movement of the racks 4, and the racks 4 are supported by the riding wheels and slide in the grooves 9 so as to ensure that the running track of the racks 4 is linear and smooth.
The support seats 7 are arranged in pairs. The supporting seats 7 are arranged in pairs to ensure that the heights of the upper ends of the installed tugs 8 are consistent, so that the racks 4 can only move in a straight line along the horizontal direction on the tugs 8.
The supporting seat 7 is provided with an axle 12, and the tug 8 is movably connected with the supporting seat 7 through the axle 12. The rotation of the tug 8 is facilitated by the axle 12, and the disassembly and assembly of the assembly is facilitated, and only the correspondingly damaged structure is replaced or maintained during maintenance.
As shown in fig. 2, the gear 3 is provided between the support seats 7. Because the positions of the gear 3 and the supporting seats 7 are fixed, the gear 3 is arranged above the middle parts of the two supporting seats 7, and the gravity of the gear 3 and the rack 4 can be uniformly transferred to the bottom plate 10 when the rack 4 is supported by the supporting seats 7, so that structural failure caused by overlarge stress of a local structure is avoided; meanwhile, the meshing point of the gear 3 and the rack 4 is positioned in the middle of the connecting line of the two tugs 8, so that the bottom end of the rack 4 accurately falls on the two tugs 8 to ensure that the rack is in a horizontal state.
As shown in fig. 1, the length measuring roller table 1 comprises conveying rollers 11, the conveying rollers 11 are arranged at equal intervals, and the end parts of the conveying rollers 11 are connected with motors. The blanks are conveyed along the conveying rollers 11, and the blanks are horizontally ensured by arranging the conveying rollers 11 at equal intervals.
The bottom of the supporting seat 7 is provided with a bottom plate 10, and the supporting seat 7 is fixedly connected with the bottom plate 10. The bottom plate 10 is used for installing the supporting seats 7, so that the heights of the two supporting seats 7 are consistent, and the rack 4 installed on the tug 8 is in a horizontal state.
As shown in fig. 1 to 3, the slab length measuring device operates as follows:
1. firstly, ensuring that original positions of two laser distance measuring devices are far away from a roller bed seat on the same side, and ensuring that connecting lines of the two groups of laser distance measuring devices 2 are parallel to the running direction of a roller bed;
2. when the front end of the blank passes through the light detection sensor 6, the PLC defaults the blank to enter the length measuring roller way 1, when the rear end of the blank leaves the light detection sensor 6, the length measuring roller way 1 stops running, the PLC defaults the blank to enter a to-be-measured area, and then the transmission motor 5 drives the gear 3 to drive the rack 4 to advance to a measuring position.
3. After the two laser distance measuring devices reach the distance measuring position, the distance between the two laser distance measuring devices 2 and the two ends of the blank is measured respectively, and data are sent to a PLC, the PLC model uses the distance between the two laser distance measuring devices 2 and the end of the blank = the length of the blank, and then the distance between the two laser distance measuring devices 2 and the length of the blank is displayed on an operation picture, and the data are compared with the electronic data length of the blank which is planned to be produced, so that an operator can determine whether the blank data are wrong;
4. after the acquired blank length data passes through a feedback PLC length measuring model, the PLC sends out a backward instruction of the laser length measuring equipment, and the transmission motor 5 drives the gear 3 to further drive the rack 4 to backward to an original position.
5. After the laser ranging equipment returns to the original position, the length measuring roller way 1 starts to operate so as to prevent the laser ranging equipment from being damaged by blank in the original position.
The slab length measuring device replaces the traditional mode of measuring by adopting the encoder, avoids measuring errors caused by gaps in connection between the roller way motor where the encoder is positioned and the roller way, solves the problem of large measured data in the skew state of the blank, and improves the accuracy rate of the length data of the blank.
The laser distance measuring instrument 2 is arranged on the side of the length measuring roller table 1 of the blank, the movement of the laser distance measuring instrument 2 is realized through the meshing transmission of the rack 4 and the gear 3, and the distance between two ends of the blank is measured through two groups of laser distance measuring instruments 2 which are arranged in parallel, so that the accuracy of measured length data can be ensured even if the blank is skewed in the conveying process. The device has the advantages of high reliability of transmission of each component, convenient installation and maintenance, long and stable working life, and is applicable to production line environments.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (10)
1. The utility model provides a slab length measurement device which characterized in that: the slab is arranged on the length measuring roller way (1), a light detection sensor (6) is arranged on one side of the length measuring roller way (1), a moving mechanism is arranged on the side of the length measuring roller way (1), and a laser range finder (2) is arranged on the moving mechanism.
2. The slab length measuring device according to claim 1, wherein: the moving mechanism comprises a rack (4), the laser range finder (2) is arranged at the end part of the rack (4), a gear (3) is arranged on the rack (4), the gear (3) is matched with the rack (4), and one side of the gear (3) is connected with a transmission motor (5).
3. The slab length measuring device according to claim 2, wherein: the utility model is characterized in that a supporting seat (7) is arranged below the rack (4), a tug (8) is arranged on the supporting seat (7), and the bottom end of the rack (4) is arranged on the tug (8).
4. A slab length measuring device according to claim 3, wherein: the number of the laser range finders (2) is two, and the laser range finders (2) are arranged in parallel.
5. A slab length measuring device according to claim 3, wherein: the tug (8) is provided with a groove (9), and the bottom end of the rack (4) is arranged in the groove (9).
6. A slab length measuring device according to claim 3, wherein: the supporting seats (7) are arranged in pairs.
7. The slab length measuring device according to claim 6, wherein: the supporting seat (7) is provided with an axle (12), and the tug (8) is movably connected with the supporting seat (7) through the axle (12).
8. The slab length measuring device according to claim 7, wherein: the gear (3) is arranged between the supporting seats (7).
9. The slab length measuring device according to claim 1, wherein: the length measuring roller way (1) comprises conveying rollers (11), wherein the conveying rollers (11) are arranged at equal intervals, and the end parts of the conveying rollers (11) are connected with motors.
10. A slab length measuring device according to claim 3, wherein: the bottom of the supporting seat (7) is provided with a bottom plate (10), and the supporting seat (7) is fixedly connected with the bottom plate (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321513592.8U CN219944130U (en) | 2023-06-14 | 2023-06-14 | Slab length measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321513592.8U CN219944130U (en) | 2023-06-14 | 2023-06-14 | Slab length measuring device |
Publications (1)
Publication Number | Publication Date |
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CN219944130U true CN219944130U (en) | 2023-11-03 |
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ID=88547176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321513592.8U Active CN219944130U (en) | 2023-06-14 | 2023-06-14 | Slab length measuring device |
Country Status (1)
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CN (1) | CN219944130U (en) |
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2023
- 2023-06-14 CN CN202321513592.8U patent/CN219944130U/en active Active
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