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CN-224208787-U - Steel coil and mandrel alignment detection device

CN224208787UCN 224208787 UCN224208787 UCN 224208787UCN-224208787-U

Abstract

The application discloses a steel coil and mandrel alignment detection device which comprises a support frame, an alarm, a controller and a plurality of laser distance sensors. The laser distance sensors are arranged on the supporting frame, the lasers emitted by the laser distance sensors are distributed at intervals on a circle with the radius of R0, the lasers are parallel to the axis of the circle, and the radius of the circle R0 is larger than the radius of the mandrel R1 and smaller than the radius of the inner hole of the steel coil R2. The laser distance sensor and the alarm are electrically connected with a controller, and the controller controls the alarm to be opened and closed. After such design, when the coil of strip can collide with the dabber, partial laser can be sheltered from by the terminal surface of coil of strip, and the distance value that the laser distance sensor that corresponds detected will be less than the default, and the controller will control the alarm and open, reminds the user to effectively avoid the collision to take place, guarantee the safety in production of whole rolling line.

Inventors

  • XU LIYONG
  • LU XINMIAO
  • LIU FENG
  • HUANG QINGGANG
  • SUN TAO
  • JIA WEIZHENG
  • SHI LEILEI
  • LI ZIQIANG
  • ZHANG BAOYONG

Assignees

  • 北京首钢自动化信息技术有限公司

Dates

Publication Date
20260508
Application Date
20250327

Claims (10)

  1. 1. A steel coil and mandrel alignment detection device, comprising: A support (110); The laser distance sensors (120) are all arranged on the supporting frame (110), the laser beams emitted by the laser distance sensors (120) are distributed at intervals on a circle with the radius of R0, each laser beam is parallel to the axis of the circle, and the radius of R0 of the circle is larger than the radius of R1 of the mandrel (300) and smaller than the radius of R2 of the inner hole of the steel coil (200); An alarm (130) mounted to the support frame (110); And the controller is electrically connected with the laser distance sensor (120) and the alarm (130), and controls the alarm (130) to be opened and closed.
  2. 2. The steel coil and mandrel alignment detection device according to claim 1, characterized in that four laser distance sensors (120) are provided, and that the central angle between two adjacent laser distance sensors (120) is 90 °.
  3. 3. The steel coil to mandrel alignment detection apparatus of claim 1, wherein the support frame (110) comprises: a base (111); The support base (112), support base (112) along first direction sliding connection in base (111), first direction perpendicular to the axis of circle, laser distance sensor (120) with alarm (130) all install in support base (112).
  4. 4. A coil-to-mandrel alignment detection device as claimed in claim 3, wherein the support base (112) comprises: A first support (1121) slidingly coupled to the base (111) along the first direction; And the second support piece (1125) is slidably connected to the first support piece (1121) along a second direction, the first direction and the axis of the circle are mutually perpendicular, and the laser distance sensor (120) and the alarm (130) are both mounted on the second support piece (1125).
  5. 5. The steel coil to mandrel alignment detection apparatus of claim 4, wherein the second support (1125) comprises: A vertical rod (1126) disposed along the second direction and slidably connected to the first support (1121) along the second direction; The cross rod (1127) is arranged along the first direction, and the middle part of the cross rod (1127) is fixedly connected with the middle part of the vertical rod (1126); A plurality of laser distance sensors (120) are respectively arranged on the vertical rod (1126) and the cross rod (1127), and the alarm (130) is arranged on the vertical rod (1126) or the cross rod (1127).
  6. 6. The steel coil to mandrel alignment detection device of claim 5, wherein the laser distance sensor (120) mounted on the upright (1126) is slidingly coupled to the upright (1126) along the second direction, and the laser distance sensor (120) mounted on the rail (1127) is slidingly coupled to the rail (1127) along the first direction.
  7. 7. The steel coil and mandrel alignment detection device according to claim 5, wherein four laser distance sensors (120) are provided, the four laser distance sensors (120) being mounted on both sides of the upright (1126) and on both sides of the cross bar (1127), respectively.
  8. 8. The steel coil to mandrel alignment detection apparatus of claim 5, wherein the alarm (130) is mounted to an end of the upright (1126) remote from the first support (1121).
  9. 9. The steel coil to mandrel alignment detection device of any one of claims 1 to 8, wherein the alarm (130) is an audible and visual alarm (130).
  10. 10. The steel coil and mandrel alignment detection device according to any one of claims 1-8, wherein the laser distance sensor (120) has a voltage output terminal (121), the controller is a relay (140), the relay (140) has a coil (141) and a normally open contact (142); The steel coil and mandrel alignment detection device (100) further comprises an electric wire (150), wherein the electric wire (150) is provided with a main path (151) and a first branch (152), a second branch (153) and a third branch (154) which are electrically connected with one end of the main path (151); The other end of the main circuit (151) is used for being electrically connected with a power supply, the first branch circuit (152) is electrically connected with the laser distance sensor (120), the second branch circuit (153) is electrically connected with the coil (141) of the relay (140) and the voltage output terminal (121), and the third branch circuit (154) is electrically connected with the alarm (130) and the normally open contact (142); Wherein, under the condition that the voltage output terminal (121) releases voltage, the coil (141) is electrified, and the normally open contact (142) is closed, so that the alarm (130) is opened.

Description

Steel coil and mandrel alignment detection device Technical Field The application belongs to the technical field of rolling, and particularly relates to a steel coil and mandrel alignment detection device. Background The uncoiler is arranged on the rolling production line of the steel rolling, and the mandrel of the uncoiler has the function of expanding the steel coil along the rolling production line, so that the strip steel is rolled conveniently. The steel coil is sleeved on the mandrel through the winding trolley, the centering operation of the inner hole of the steel coil and the mandrel can be carried out when the steel coil is delivered and wound, and the axis of the steel coil and the axis of the mandrel are ensured to coincide through the centering operation, so that the steel coil is prevented from impacting the mandrel. Due to factors such as field environment interference, error signals can occasionally appear in the centering system, namely detection data are normal, but the actual two axes are not coincident. Under the condition, if the operator does not find in time, the coil is continuously wound, the coil is easy to collide with the mandrel, the coil and the mandrel equipment can be damaged, the production rhythm of the whole rolling production line can be influenced, and the loss is significant. Disclosure of utility model The application aims to at least solve the technical problem that steel coils are easy to collide with a mandrel in the related technology to a certain extent. Therefore, the application provides a steel coil and mandrel alignment detection device. The device for detecting the alignment of the steel coil and the mandrel provided by the embodiment of the application comprises the following components: a support frame; the laser distance sensors are arranged on the supporting frame, the laser beams emitted by the laser distance sensors are distributed at intervals on a circle with the radius of R0, each laser beam is parallel to the axis of the circle, and the radius of R0 of the circle is larger than the radius of R1 of the mandrel and smaller than the radius of R2 of the inner hole of the steel coil; The alarm is arranged on the supporting frame; and the controller is electrically connected with the laser distance sensor and the alarm, and controls the alarm to be opened and closed. In some embodiments, four of the laser distance sensors are provided, and a central angle between two adjacent laser distance sensors is 90 °. In some embodiments, the support stand comprises: A base; The support seat is connected to the base in a sliding mode along a first direction, the first direction is perpendicular to the axis of the circle, and the laser distance sensor and the alarm are mounted on the support seat. In some embodiments, the support base comprises: A first support member slidably coupled to the base along the first direction; The second support piece is connected to the first support piece in a sliding mode along a second direction, the first direction and the axis of the circle are perpendicular to each other, and the laser distance sensor and the alarm are mounted on the second support piece. In some embodiments, the second support comprises: The upright rod is arranged along the second direction and is connected with the first supporting piece in a sliding manner along the second direction; The cross rod is arranged along the first direction, and the middle part of the cross rod is fixedly connected with the middle part of the vertical rod; The laser distance sensors are respectively arranged on the vertical rod and the cross rod, and the alarm is arranged on the vertical rod or the cross rod. In some embodiments, the laser distance sensor mounted on the upright is slidingly coupled to the upright along the second direction, and the laser distance sensor mounted on the rail is slidingly coupled to the rail along the first direction. In some embodiments, four laser distance sensors are provided, and the four laser distance sensors are respectively mounted on two sides of the upright and two sides of the cross bar. In some embodiments, the alarm is mounted to an end of the upright remote from the first support. In some embodiments, the alarm is an audible and visual alarm. In some embodiments, the laser distance sensor has a voltage output terminal, the controller is a relay having a coil and a normally open contact; The steel coil and mandrel alignment detection device further comprises an electric wire, wherein the electric wire is provided with a main circuit, and a first branch circuit, a second branch circuit and a third branch circuit which are electrically connected with one end of the main circuit; the other end of the main circuit is electrically connected with a power supply, the first branch circuit is electrically connected with the laser distance sensor, the second branch circuit is electrically connected with the coil of the relay and the voltage output