Search

CN-224229549-U - Corrosion detection device in oil pipeline

CN224229549UCN 224229549 UCN224229549 UCN 224229549UCN-224229549-U

Abstract

The utility model provides an oil pipeline inner corrosion detection device, and belongs to the technical field of oil pipeline detection. The corrosion detection device in the oil pipeline comprises a supporting structure and a movement detection structure. The support structure comprises a cavity, a telescopic part and an elastic part, wherein the telescopic part is circumferentially fixed outside the cavity, the elastic part is installed in the telescopic part, the movement detection structure comprises a fixing frame, a driving part and an annular plate, the fixing frame is fixed with the telescopic part, the fixing frame is rotationally connected with a driving wheel and a driven wheel, the annular plate is fixed on the telescopic part, and a detection part is circumferentially fixed on the surface of the annular plate. The utility model can conveniently drag and move the detection device in the use process, and then detect the inner surface of the oil pipeline in the moving process, so that the detection is simpler and more convenient, and the detection effect can be improved and the use is more convenient.

Inventors

  • HE XIN
  • FAN CHANGLIN
  • CHEN YUNXIA
  • WU YUNHAO
  • ZHANG JIABIN
  • Gao Qingxing

Assignees

  • 湛江国储石油基地有限责任公司

Dates

Publication Date
20260512
Application Date
20250630

Claims (8)

  1. 1. An oil pipeline inner corrosion detection device comprises a support structure (100) and a movement detection structure (200) arranged on the support structure (100), and is characterized in that, The supporting structure (100) comprises a cavity (110), a telescopic piece (120) and an elastic piece (130), wherein the telescopic piece (120) is circumferentially fixed outside the cavity (110), and the elastic piece (130) is installed in the telescopic piece (120); The mobile detection structure (200) comprises a fixing frame (210), a driving piece (220) and an annular plate (230), wherein the fixing frame (210) is fixed with the telescopic piece (120), a driving wheel (211) and a driven wheel (213) are rotationally connected on the fixing frame (210), an annular groove (212) is formed in the surface of the driving wheel (211), a tooth slot is formed in the annular groove (212), the driving piece (220) is arranged between the fixing frame (210) and the tooth slot, the annular plate (230) is fixed on the telescopic piece (120), and a detection piece (240) is circumferentially fixed on the surface of the annular plate (230).
  2. 2. The device for detecting corrosion in an oil pipeline according to claim 1, wherein a storage battery is installed in the cavity (110), and a grip (111) is further fixed on one side of the cavity (110).
  3. 3. The oil pipeline inner corrosion detection device according to claim 1, wherein the telescopic piece (120) comprises a supporting cylinder (121) and a movable column (122), one end of the supporting cylinder (121) is fixed with the surface of the cavity (110), the movable column (122) is slidably connected inside the supporting cylinder (121), a groove (123) is formed inside one end of the movable column (122), a connecting plate (124) is fixed at the other end of the movable column (122), the connecting plate (124) is fixed with the fixing frame (210), and the annular plate (230) is fixed with the supporting cylinder (121).
  4. 4. An oil pipeline inner corrosion detection device according to claim 3, wherein sliding grooves (1211) are formed in two sides of the supporting cylinder (121), a sliding block (1221) matched with the sliding grooves (1211) is fixed on the surface of the movable column (122), and the sliding block (1221) is slidably connected in the sliding grooves (1211).
  5. 5. An oil pipeline inner corrosion detection device according to claim 3, wherein the elastic member (130) comprises a spring (131), a first connecting column (132) and a second connecting column (133) are fixedly sleeved at two ends of the spring (131), the first connecting column (132) is fixedly connected with the inside of the supporting cylinder (121), and the second connecting column (133) is fixedly connected with the inside of the groove (123).
  6. 6. An oil pipeline inner corrosion detection device according to claim 1, wherein the driving member (220) comprises a servo motor (221) and a transmission chain (223), the servo motor (221) is mounted on the fixing frame (210), a gear (222) is connected with an end key of an output shaft of the servo motor (221), and the gear (222) is in transmission connection with a tooth slot through the transmission chain (223).
  7. 7. The oil pipeline inner corrosion detection device according to claim 6, wherein the fixing frame (210) is provided with a through hole (214) matched with the transmission chain (223), and the transmission chain (223) penetrates through the through hole (214).
  8. 8. An oil pipeline inner corrosion detection device according to claim 1, wherein the detection member (240) comprises a fixing plate (241) fixed with the annular plate (230), and a leakage magnetic sensor (242) and an ultrasonic sensor (243) are mounted on the fixing plate (241).

Description

Corrosion detection device in oil pipeline Technical Field The utility model relates to the technical field of oil pipeline detection, in particular to an oil pipeline inner corrosion detection device. Background The oil pipeline consists of oil pipe and its accessories, and is equipped with corresponding oil pump unit according to the technological process requirement, and is designed and installed into a complete pipeline system for completing oil receiving, unloading and transferring tasks. The pipe material of the oil pipeline is generally a steel pipe, and is connected with a long-distance pipeline by using a connecting device such as welding, a flange and the like, and is controlled to open and close and flow rate is regulated by using a valve. The oil pipeline mainly comprises isothermal conveying, heating conveying, sequential conveying and other conveying processes. Corrosion of pipelines and how to prevent corrosion are one of the important links of pipeline maintenance. At present, oil pipeline is the important component part of oil transportation system, and the inside of oil pipeline can not appear the condition of corruption in long-term use, can not cause the influence to oil pipeline in long-term use if can not find, and current detection device is very inconvenient to oil pipeline's inside detection moreover, for this, it is necessary to propose an oil pipeline inner corrosion detection device in order to solve above-mentioned problem. Disclosure of utility model In order to make up for the defects, the utility model provides an internal corrosion detection device for an oil pipeline, which aims to solve the problems that the internal part of the oil pipeline is difficult to be corroded in the long-term use process, the oil pipeline cannot be influenced in the long-term use process, and the existing detection device is very inconvenient to detect the internal part of the oil pipeline. The utility model is realized in the following way: The utility model provides an oil pipeline inner corrosion detection device which comprises a support structure and a movement detection structure. The supporting structure comprises a cavity, a telescopic part and an elastic part, wherein the telescopic part is circumferentially fixed outside the cavity, the elastic part is installed in the telescopic part, the movement detection structure comprises a fixing frame, a driving part and an annular plate, the fixing frame is fixedly connected with the telescopic part, a driving wheel and a driven wheel are rotationally connected on the fixing frame, an annular groove is formed in the surface of the driving wheel, a tooth slot is formed in the inner portion of the annular groove, the driving part is installed between the fixing frame and the tooth slot, the annular plate is fixed on the telescopic part, and a detection part is circumferentially fixed on the surface of the annular plate. In one embodiment of the utility model, a storage battery is arranged in the cavity, and a handle is also fixed on one side of the cavity. In one embodiment of the utility model, the telescopic member comprises a supporting cylinder and a movable column, one end of the supporting cylinder is fixed with the surface of the cavity, the movable column is slidably connected inside the supporting cylinder, a groove is formed inside one end of the movable column, a connecting plate is fixed at the other end of the movable column, the connecting plate is fixed with the fixing frame, and the annular plate is fixed with the supporting cylinder. In one embodiment of the utility model, sliding grooves are formed in two sides of the supporting cylinder, sliding blocks matched with the sliding grooves are fixed on the surfaces of the movable columns, and the sliding blocks are connected inside the sliding grooves in a sliding mode. In one embodiment of the utility model, the elastic member comprises a spring, and a first connecting column and a second connecting column are sleeved and fixed at two ends of the spring, wherein the first connecting column is fixed with the inside of the supporting cylinder, and the second connecting column is fixed with the inside of the groove. In one embodiment of the utility model, the driving piece comprises a servo motor and a transmission chain, the servo motor is arranged on the fixing frame, a gear is connected with an end key of an output shaft of the servo motor, and the gear is in transmission connection with the tooth slot through the transmission chain. In one embodiment of the utility model, the fixing frame is provided with a through hole matched with the transmission chain, and the transmission chain penetrates through the through hole. In one embodiment of the present utility model, the detecting member includes a fixing plate fixed to the annular plate, and a leakage magnetic sensor and an ultrasonic sensor are mounted on the fixing plate. Compared with the prior art, the device for detecting cor