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CN-114705252-B - Be applied to buoy aerating device measuring check out test set

CN114705252BCN 114705252 BCN114705252 BCN 114705252BCN-114705252-B

Abstract

The invention discloses detection equipment applied to measurement of a buoy inflation device, which comprises a box body, wherein one side of the box body is provided with a detection area, the detection area is provided with an upper and lower material platform, the bottom of the upper and lower material platform is fixedly connected with the box body through a rotating mechanism, an object clamp for fixing the buoy inflation device is arranged on the upper and lower material platform, the left side and the right side of the detection area are respectively matched with two sides of the buoy inflation device, an image acquisition mechanism and a lever jacking mechanism are respectively arranged on the left side and the right side of the detection area, the top of the detection area is matched with a resistance test point of the buoy inflation device, a resistance test probe assembly is arranged on the rear part of the detection area, the rear part of the detection area is matched with the buoy inflation device, a distance measuring device is arranged on the rear part of the detection area, and the rotating mechanism, the image acquisition mechanism, the lever jacking mechanism and the resistance test probe assembly are matched with a PC end upper computer through a controller.

Inventors

  • Luo Kezheng
  • LUO RUIJUN
  • Zhou Zhanwang

Assignees

  • 中国船舶重工集团公司第七一五研究所

Dates

Publication Date
20260512
Application Date
20220511

Claims (8)

  1. 1. The device is used for detecting an opening gap at the front end of an air charging device, detecting a lever opening gap at the rear end of the air charging device and measuring a resistance value at the top of the air charging device, and is characterized by comprising a box body (1), wherein a detection area is formed in one side of the box body (1), an upper discharging platform (2) and a lower discharging platform (2) are arranged in the detection area, the bottom of the upper discharging platform (2) is fixedly connected with the box body (1) through a rotating mechanism, an object clamp (3) for fixing the air charging device of the buoy is arranged on the upper discharging platform (2), an image acquisition mechanism and a lever jacking mechanism are respectively arranged on the left side and the right side of the detection area in a matched mode, a resistance test point of the buoy air charging device is arranged on the top of the detection area in a matched mode, a resistance test probe assembly is arranged on the rear portion of the detection area in a matched mode, a distance measuring device is arranged on the rotating mechanism, the image acquisition mechanism, the lever jacking mechanism and the resistance test probe assembly are matched with a PC (PC) through a controller; The image acquisition mechanism comprises an industrial camera (5), a light source controller, an annular light source (50) and a POE power supply module, the lever jacking mechanism comprises a first electric cylinder (6) and a jacking block (60), the resistance test probe assembly comprises a second electric cylinder (7), a low resistance tester and a spring probe (70), and the distance measuring device is a laser distance measuring sensor (8); The equipment automatically detects according to the following processes that a PC end upper computer turns on a light source instruction, an annular light source (50) is turned on, the PC end upper computer displays an image acquired by an industrial camera (5), an image processing task calculates a front end opening gap M, the PC end upper computer requests a current value L1 of a laser ranging sensor (8), the PC end upper computer descends a first electric cylinder (6) and a second electric cylinder (7) to extend instructions to a controller, the controller controls the first electric cylinder (6) and the second electric cylinder (7) to extend to a proper position, the PC end upper computer requests a resistance value, a resistance value R is resolved according to a communication protocol, the PC end upper computer requests a current value L2 of the laser ranging sensor (8), a lever gap L=L2-L1 is calculated, the PC end upper computer descends a light source instruction, the annular light source (50) is closed, the PC end upper computer descends the first electric cylinder (6) and the second electric cylinder (7) to retract instructions to the controller, and the controller controls the first electric cylinder (6) and the second electric cylinder (7) to retract to the controller, and whether the detected positions of the first electric cylinder (6) and the second electric cylinder (7) are M, R, L) are qualified or not.
  2. 2. A detection apparatus for use in buoy inflation as claimed in claim 1, wherein the rotating mechanism is a 57 stepper motor (4).
  3. 3. The detection device for buoy inflation device measurement according to claim 1, wherein the annular light source (50) is sleeved on the industrial camera (5), the industrial camera (5) performs image acquisition on an opening gap at the end part of the buoy inflation device, image data are transmitted to the PC end upper computer through the gigabit network cable for machine vision processing through the POE power supply module, the light source controller is connected with the PC end upper computer through the RS232 serial port, and the on-off of the annular light source (50) can be controlled through a downlink instruction mode.
  4. 4. The detection device for measuring the buoy inflation device according to claim 1, wherein the second electric cylinder (7) is fixed on the wall of the box body (1), the low-resistance tester is fixed on the inside of the box body (1), the spring probe (70) is fixed on a probe mounting plate of the resistance tester, and the low-resistance tester is connected with a PC end upper computer through an RS232 serial port line.
  5. 5. The detection device for measuring the buoy inflation device according to claim 4, wherein the motor driving plate is further arranged in the box body (1), and the controller outputs two groups of high-low level signals to the motor driving plate, so that the first electric cylinder (6) and the second electric cylinder (7) can be controlled to stretch and retract.
  6. 6. The detection device for measuring the buoy inflation device according to claim 1, wherein the laser ranging sensor (8) obtains analog output which linearly changes along with the distance, the analog output is converted into digital signals transmitted according to a protocol format through an analog-to-digital conversion transmitter, the laser ranging sensor (8) is connected with the PC-side upper computer through an RS485 bus, and the PC-side upper computer receives the digital signals and analyzes the actually measured distance through the protocol.
  7. 7. The detecting device for detecting the movement of a buoy as claimed in claim 1, wherein the controller is Siemens S7-200 PLC.
  8. 8. The detecting device for detecting the movement of a buoy as claimed in claim 6, wherein the motor driving plate is an L298N motor driving plate.

Description

Be applied to buoy aerating device measuring check out test set Technical Field The invention belongs to the technical field of production quality detection of inflatable devices, and particularly relates to detection equipment applied to measurement of buoy inflatable devices. Background In the production and assembly process of the buoy inflator, a ring is necessary for detecting the quality of the inflator. The existing detection means is divided into three detection items, wherein the gap between the front end opening of the ① air charging device and the gap between the rear end lever of the ② air charging device is between 0.1mm and 2mm, the detection means is that the gap between the rear end lever of the ① air charging device and the gap between the rear end lever of the ② air charging device is between 0.1mm and 2mm, the detection means is that the gap is formed after the special detection personnel manually presses the lever to deform the special detection personnel, whether the deformation is generated or whether the deformation is too large or whether the deformation cannot be generated is observed by naked eyes to judge that the resistance value of the circuit board at the top of the ③ air charging device is between 3.5 omega and 4.5 omega, and the detection means is that the special detection personnel detects the contact test point of a meter pen through a low-resistance tester and judges through the display value of the meter. Because each buoy needs an inflating device, the required quantity of the inflating device is large-scale according to the buoy yield estimation; in the actual production process, after more than one hundred inflatable devices are produced, an assembly worker is informed to a quality department to be inspected, then a special sorting worker is arranged by the quality department to carry out one-by-one inspection, in the process, the special inspection worker collides in time due to the fact that other workpieces need to be inspected, the rear end production is stopped, certain negative effects on the aspect of production efficiency are often brought about in the steps of informing, planning, arranging, inspecting and recording, and certain errors are necessarily introduced in the inspection process due to the fact that the quality of products is judged by people, so that the reworking of subsequent work and the instability of the quality of the products are caused. Disclosure of Invention The invention discloses automatic equipment applied to quality inspection of an air charging device in a buoy, which is used for replacing manual inspection of a special inspector in order to improve the quality consistency of the air charging device in the buoy and avoid the production beat stagnation of a workshop. In order to achieve the purpose, the detection equipment applied to measurement of the buoy air charging device comprises a box body, wherein a detection area is formed in one side of the box body, an upper discharging platform and a lower discharging platform are arranged in the detection area, the bottom of the upper discharging platform is fixedly connected with the box body through a rotating mechanism, an object clamp used for fixing the buoy air charging device is arranged on the upper discharging platform, an image acquisition mechanism and a lever jacking mechanism are respectively arranged on the left side and the right side of the detection area in a matched mode, a resistance test probe assembly is arranged on the top of the detection area in a matched mode, a distance measuring device is arranged on the rear portion of the detection area in a matched mode, and the rotating mechanism, the image acquisition mechanism, the lever jacking mechanism and the resistance test probe assembly are all matched with a PC end upper computer through a controller. Further, the rotating mechanism is a 57-step motor. Further, the image acquisition mechanism comprises an industrial camera, a light source controller, an annular light source and a POE power supply module, the annular light source is sleeved on the industrial camera, the industrial camera performs image acquisition on an opening gap at the end part of the inflating device, and transmits image data to a PC end upper computer through a gigabit network cable through the POE power supply module to perform machine vision processing, and the light source controller is connected with the PC end upper computer through an RS232 serial port line, so that the on-off of the annular light source can be controlled through a downlink instruction mode. The light source controller is connected with the PC end upper computer through an RS232 serial port line. Further, the lever jacking mechanism consists of a first electric cylinder and a jacking block. Further, the resistance test probe assembly comprises a second electric cylinder, a low resistance tester and a spring probe, wherein the second electric cylinder is fixed on the wall