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CN-121977487-A - Online thickness measuring device for cable insulation layer

CN121977487ACN 121977487 ACN121977487 ACN 121977487ACN-121977487-A

Abstract

The invention discloses an on-line thickness measuring device for a cable insulating layer, which comprises a mounting frame, a comprehensive thickness measuring device, a control panel and a control panel, wherein the comprehensive thickness measuring device is in contact with the outer side of a cable and comprises two groups of thickness measuring roller assemblies distributed at right angles, pressure sensors are arranged in the thickness measuring roller assemblies, when the thickness of the insulating layer on the outer side of the cable changes, different extrusion forces are applied to the pressure sensors in the thickness measuring roller assemblies by the cable, the movable marking assembly is positioned at the rear side of the comprehensive thickness measuring device and is in contact with the movable cable at the position of detection abnormality by adjusting the distance between the movable marking assembly and the movable cable, the control panel is electrically connected with the pressure sensors and the movable marking assembly and is used for receiving and analyzing data transmitted by the pressure sensors.

Inventors

  • BU WEI
  • Cai Weishuo
  • REN YINGYING

Assignees

  • 江苏中柔电缆有限公司

Dates

Publication Date
20260505
Application Date
20260129

Claims (8)

  1. 1. The utility model provides an online thickness measuring device of cable insulating layer, includes mounting bracket (1), its characterized in that still includes: The comprehensive thickness measuring device (2) is in contact with the outer side of the cable, the comprehensive thickness measuring device (2) comprises two groups of thickness measuring roller assemblies (3) which are distributed at right angles, a pressure sensor (31) is arranged in each thickness measuring roller assembly (3), and when the thickness of the insulating layer at the outer side of the cable changes, the cable applies different extrusion forces to the pressure sensor (31) in each thickness measuring roller assembly (3); the movable marking assembly (4) is positioned at the rear side of the comprehensive thickness measuring device (2), and the movable marking assembly (4) is in contact with the movable cable at the position of abnormal detection by adjusting the distance between the movable marking assembly and the movable cable to carry out marking treatment on the movable cable; The control panel (5) is electrically connected with the pressure sensor (31) and the movable marking component (4), the control panel (5) receives and analyzes data transmitted by the pressure sensor (31), and when the data is abnormal, the movable marking component (4) is started, so that the movable marking component (4) moves to a designated position and is contacted with the outer side of a cable at the position where the abnormality is detected.
  2. 2. The on-line thickness measuring device for the cable insulation layer, which is disclosed in claim 1, is characterized in that the mounting frame (1) is of a zigzag structure, and two sides of the mounting frame (1) are fixedly connected with the top of the base (101) through positioning plates.
  3. 3. The on-line thickness measuring device for the cable insulation layer according to claim 1, wherein the comprehensive thickness measuring device (2) further comprises two groups of fixed roller assemblies (7) distributed at right angles, the fixed roller assemblies (7) are matched with the thickness measuring roller assemblies (3), the fixed roller assemblies (7) comprise first rollers (71) rotatably arranged on the inner side of a first U-shaped frame, and the first U-shaped frame is fixedly arranged on the inner side of the mounting frame (1).
  4. 4. The on-line thickness measuring device for the cable insulation layer according to claim 1, wherein the thickness measuring roller assembly (3) comprises a second U-shaped frame, a second roller (32), a sliding groove (33), a return spring (34) and an electric push rod (35), the second roller (32) is rotatably arranged on the inner side of the second U-shaped frame, the second U-shaped frame is slidably assembled on the inner side of the sliding groove (33), the inner side of the second U-shaped frame is elastically connected with the inner side of the sliding groove (33) through the return spring (34), the pressure sensor (31) is clamped between the sliding groove (33) and the second U-shaped frame and used for detecting pressure change between the sliding groove (33) and the second U-shaped frame in real time, and the electric push rod (35) is fixedly arranged on the outer side of the mounting frame (1) and fixedly connected with the sliding groove (33) at the output end of the electric push rod so as to drive the sliding groove (33) to move along the radial direction of the mounting frame (1).
  5. 5. The on-line thickness measuring device for the cable insulation layer according to claim 1, wherein the movable marking assembly (4) comprises an arc-shaped contact block (41), a liquid storage barrel (42), a rotating ball (43), a liquid supplementing pipe (44), a conveying pipe (45), a driving rod (46) and a bidirectional screw rod mechanism (6), a plurality of groups of limiting grooves are formed in the inner side of the arc-shaped contact block (41), the liquid storage barrel (42) is detachably arranged in the limiting grooves, the rotating ball (43) is rotationally embedded at the liquid outlet end of the liquid storage barrel (42), part of the rotating ball (43) protrudes out of the end face of the liquid storage barrel (42) and is in rolling contact with the outer side of a cable, the liquid supplementing pipe (44) is integrally formed at one side, close to the liquid outlet end, a plurality of groups of liquid supplementing pipes (44) are mutually communicated through the conveying pipe (45), the arc-shaped contact block (41) is fixedly connected with the driving rod (46), the driving rod (46) is in transmission connection with the bidirectional screw rod mechanism (6), and the driving rod (46) drives the bidirectional screw rod mechanism (6) to move relatively along the radial direction of the cable under the bidirectional screw rod mechanism (6).
  6. 6. The on-line thickness measuring device for the cable insulation layer is characterized in that a piston plate (421) is slidably assembled inside the liquid storage barrel (42), the piston plate (421) is elastically connected with the inner wall of the liquid storage barrel (42) through a pressing spring (422), and the pressing spring (422) always applies elastic pressure to the piston plate (421) towards the liquid outlet end.
  7. 7. The on-line thickness measuring device for cable insulation layers according to claim 5, wherein the end part of the conveying pipe (45) extends to the outer side of the arc-shaped contact block (41), the end part of the conveying pipe (45) is in threaded connection with a sealing cover matched with the end part of the conveying pipe, and a sealing gasket is arranged between the sealing cover and the end part of the conveying pipe (45).
  8. 8. The on-line thickness measuring device for the cable insulation layer according to claim 5, wherein the bidirectional screw mechanism (6) comprises an open slot, a bidirectional screw (61), a screw motor (62) and two groups of driving blocks (63), the bidirectional screw (61) is rotatably assembled in the open slot through a bearing, the open slot is connected with the mounting frame (1), the screw motor (62) is fixedly arranged outside the open slot, an output shaft of the screw motor (62) is fixedly connected with the bidirectional screw (61) through a coupler to drive the bidirectional screw (61) to rotate, the screw motor (62) is electrically connected with the control panel (5), the control panel (5) controls start, stop and turn, the two groups of driving blocks (63) are slidably embedded in the inner side of the open slot, the driving blocks (63) are connected with the bidirectional screw (61), and the driving blocks (63) are fixedly connected with the driving rods (46).

Description

Online thickness measuring device for cable insulation layer Technical Field The invention mainly relates to the technical field of cables, in particular to an online thickness measuring device for a cable insulating layer. Background In the cable production and processing process, the thickness uniformity of the insulating layer directly influences the insulating property, the voltage-resistant grade and the service life of the cable, and is one of core indexes for controlling the quality of the cable product. In order to ensure the delivery quality of the cable, the thickness of the insulating layer needs to be detected on line in real time, and abnormal conditions such as thickness out-of-tolerance and the like are found in time. The existing cable insulating layer on-line thickness measuring device has a single thickness detecting function, and insulating layer thickness related data are collected through a sensor and fed back to a control system. However, the device has obvious limitation in practical application, and when the thickness of the insulating layer is detected to be abnormal, workers can be reminded only through an audible and visual alarm mode and the like, and the abnormal position cannot be marked accurately. Because the cable is in the production state of continuous movement, the staff is difficult to quickly locate the abnormal section, the difficulty and the workload of follow-up manual investigation are increased, the unqualified section is possibly caused to flow into the market without being removed in time, the whole quality of the product is affected, meanwhile, the lack of a marking function is also unfavorable for tracing the production link generated by the abnormality, the production process is difficult to be optimized in a targeted manner, and the further improvement of the production quality of the cable is restricted. Disclosure of Invention The technical scheme of the invention aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and mainly provides an on-line thickness measuring device for a cable insulating layer, which is used for solving the technical problem in the prior art. The technical scheme adopted for solving the technical problems is as follows: The on-line thickness measuring device for the cable insulating layer comprises a mounting frame, a comprehensive thickness measuring device, a control panel and a control panel, wherein the comprehensive thickness measuring device is in contact with the outer side of a cable and comprises two groups of thickness measuring roller assemblies distributed at right angles, pressure sensors are arranged in the thickness measuring roller assemblies, when the thickness of the insulating layer on the outer side of the cable changes, the cable applies different extrusion forces to the pressure sensors in the thickness measuring roller assemblies, the movable marking assembly is positioned on the rear side of the comprehensive thickness measuring device, the movable marking assembly is in contact with the movable cable at a position where an abnormality is detected by adjusting the distance between the movable marking assembly and the movable cable, the control panel is electrically connected with the pressure sensors and the movable marking assembly and is used for receiving and analyzing data transmitted by the pressure sensors, and when the data is abnormal, the movable marking assembly is started to move to a designated position and is in contact with the outer side of the cable where the abnormality is detected. Preferably, the mounting frame is of a back-shaped structure, and two sides of the mounting frame are fixedly connected with the top of the base through positioning plates. Preferably, the comprehensive thickness measuring device further comprises two groups of fixed roller assemblies distributed at right angles, the fixed roller assemblies are matched with the thickness measuring roller assemblies for use, the fixed roller assemblies comprise first rollers which are rotatably arranged on the inner side of a first U-shaped frame, and the first U-shaped frame is fixedly arranged on the inner side of the mounting frame. The thickness measuring roller assembly comprises a second U-shaped frame, a second roller, a sliding groove, a reset spring and an electric push rod, wherein the second roller is rotatably arranged on the inner side of the second U-shaped frame, the second U-shaped frame is slidably assembled on the inner side of the sliding groove and is elastically connected with the inner side of the sliding groove through the reset spring, the pressure sensor is clamped between the sliding groove and the second U-shaped frame and used for detecting pressure change between the sliding groove and the second U-shaped frame in real time, and the electric push rod is fixedly arranged on the outer side of the mounting frame and is fixedly