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CN-122015569-A - Oil cooler maintenance tube replacement device with sealing detection effect

CN122015569ACN 122015569 ACN122015569 ACN 122015569ACN-122015569-A

Abstract

The invention discloses a maintenance and pipe replacement device of an oil cooler with a sealing detection effect, which relates to the technical field of maintenance of oil coolers, and comprises a maintenance groove, wherein a fixing ring is arranged in the maintenance groove, one end of an inner ring of the fixing ring is provided with an air collecting cylinder, an air collecting cavity is arranged in the air collecting cylinder, a plurality of air injection heads communicated with the air collecting cavity are also arranged at equal intervals on the inner ring of the air collecting cylinder, a fixing box is arranged at the top of the fixing ring, an air conveying component for conveying hot air to the air injection heads is arranged in the fixing box, an inner core pipe is inserted into the inner ring of the fixing ring, and the air conveying component comprises a fan; according to the invention, hot air can be accelerated by starting the air transmission component and is injected into the air collection cavity, and finally, the air jet head is sprayed on the outer surface of the inner core pipe, so that intractable oil stains and impurities condensed on the inner core pipe can be softened, the inner core pipe is convenient to clean, the cleaning effect of the inner core pipe is improved, and the detection accuracy is improved.

Inventors

  • LI HONGYAN
  • LI HONGLE
  • JIANG MINGMING
  • LI LEI
  • Bian Guanghu
  • FAN XIAOWEI

Assignees

  • 连云港市华东电力设备有限公司

Dates

Publication Date
20260512
Application Date
20260313

Claims (10)

  1. 1. The utility model provides a cold oil ware maintenance pipe changing device with sealed detection effect, includes maintenance groove (1), its characterized in that, be provided with solid fixed ring (2) in maintenance groove (1), the one end of gu fixed ring (2) inner circle is provided with gas collection tube (3), gas collection tube (5) have been seted up in gas collection tube (3), the inner circle of gas collection tube (3) still equidistant be provided with a plurality of jet heads (4) that are linked together with gas collection tube (5), the top of gu fixed ring (2) is provided with fixed case (6), be provided with in fixed case (6) and be used for carrying hot-blast gas transmission subassembly to jet head (4), the inner circle grafting of gu fixed ring (2) has inner core pipe (29).
  2. 2. The oil cooler maintenance tube changing device with sealing detection effect according to claim 1, wherein the gas transmission assembly comprises a fan (8), a mounting opening (7) communicated with the inside is formed in the top of the fixing box (6), the fan (8) is arranged in the mounting opening (7), a coiled tube (9) is arranged in the fixing box (6), the bottom end of the coiled tube (9) extends into the gas collection cavity (5), a mounting piece (10) is further arranged in the fixing box (6), the top end of the coiled tube (9) is fixedly inserted on the mounting piece (10) and located below the fan (8), a heating block (11) is arranged at the top of the mounting piece (10), and an electric heating wire is arranged in the heating block (11).
  3. 3. The oil cooler maintenance tube changing device with sealing detection effect according to claim 2, wherein the inner ring of the coiled tube (9) is further provided with a coiled air bag tube (12), an interlayer cavity (13) is formed in the coiled air bag tube (12), one side of the fixed box (6) is provided with an air guide box (14), the top of the air guide box (14) is provided with a one-way air inlet valve (15) communicated with the inside, one side of the air guide box (14) is fixedly inserted with an air guide tube (16), the other end of the air guide tube (16) extends into the interlayer cavity (13), a first electromagnetic valve (17) is arranged on the air guide tube (16), one side of the air guide box (14) is slidably inserted with a pull rod (18), one end of the pull rod (18) is provided with a piston (19), and the piston (19) is slidably arranged in the air guide box (14).
  4. 4. The oil cooler maintenance tube changing device with sealing detection effect according to claim 3, wherein the number of the air ducts (16) is two, and the two air ducts (16) are respectively inserted into two bending positions of the snake-shaped air bag tube (12).
  5. 5. The oil cooler maintenance and pipe replacement device with the sealing detection effect according to claim 3, wherein a spring (20) is further arranged between the piston (19) and the inner side wall of the air guide box (14), and the spring (20) is movably sleeved on the pull rod (18).
  6. 6. The oil cooler maintenance and pipe replacement device with sealing detection effect according to claim 3, wherein one end of the pull rod (18) far away from the piston (19) is provided with a pull block (21), the diameter of the pull block (21) is far greater than that of the pull rod (18), and the outer surface of the pull block (21) is provided with anti-slip lines.
  7. 7. The oil cooler maintenance tube changing device with sealing detection effect according to claim 3, further comprising a cleaning component for cleaning oil stains and impurities softened on the surface of the inner core tube (29), wherein the cleaning component comprises a limiting ring (22), the limiting ring (22) is arranged at one end, far away from the air collecting tube (3), of the inner ring of the fixing ring (2), an air bag ring (23) is arranged at the inner ring of the limiting ring (22), a fixing cavity is formed in the air bag ring (23), cleaning cotton (24) is arranged at the inner ring of the air bag ring (23), an L-shaped tube (25) is fixedly inserted into one side of the air guide box (14), the other end of the L-shaped tube (25) is fixedly inserted into the fixing ring (2) and extends into the fixing cavity in the air bag ring (23), a second electromagnetic valve (34) is further arranged on the L-shaped tube (25), and the inner core tube (29) is slidably inserted into the inner ring of the cleaning cotton (24).
  8. 8. The oil cooler maintenance tube changing device with the sealing detection effect according to claim 1, wherein two rotating rollers (26) are symmetrically arranged at one end in the maintenance groove (1) along a vertical line in a rotating mode, the two rotating rollers (26) are provided with matching grooves (27), the two matching grooves (27) are combined and matched with an inner core tube (29), a motor (28) is arranged at the front side of the maintenance groove (1), and a driving shaft of the motor (28) is in transmission connection with one end of one of the rotating rollers (26).
  9. 9. The oil cooler maintenance tube changing device with the sealing detection effect according to claim 1, wherein a fixing piece (30) is arranged below the maintenance groove (1), two ends of the bottom of the fixing piece (30) are respectively provided with an air cylinder (31) along the vertical direction, and the driving end of the air cylinder (31) penetrates through the fixing piece (30) in a sliding mode and is fixedly connected with the bottom of the maintenance groove (1).
  10. 10. The oil cooler maintenance tube changing device with the sealing detection effect according to claim 8, wherein one end, far away from the rotating roller (26), of the maintenance groove (1) is further provided with a detection ring (32), and four sides of the inner ring of the detection ring (32) are respectively provided with a CCD detection camera (33).

Description

Oil cooler maintenance tube replacement device with sealing detection effect Technical Field The invention relates to the technical field of maintenance of oil coolers, in particular to a pipe changing device for maintenance of an oil cooler with a sealing detection effect. Background The oil cooler is a surface heat exchange device specially used for cooling oil media such as hydraulic oil, lubricating oil or turbine oil, heat in the oil is transferred to the cooling media (usually water, air or refrigerant) through a heat exchange principle, so that the oil temperature is kept in a safe working range of 35-55 ℃, the normal operation of the device is ensured, the problem that an inner core heat exchange tube is damaged due to aging problem after the oil cooler operates for a long time is solved, and therefore, the oil cooler is required to be used for maintaining the tube exchange device to exchange the tube, and the normal operation of the oil cooler is ensured. The existing oil cooler maintenance tube changing device is generally provided with a sealing detection structure, appearance crack detection is carried out on old pipelines, and then the reason of pipeline damage is conveniently found, so that the structure of the device is conveniently improved, meanwhile, the existing oil cooler maintenance tube changing device can clean the pipeline by utilizing friction before detection, and the detection accuracy is guaranteed. Although the oil cooler maintenance tube changing device with the cleaning and detecting functions has a better tube changing effect, a large amount of condensed and stubborn oil stains and impurities adhere to the tube body, so that the cleaning piece is damaged and a cleaning pipeline is not in place easily caused by the hard friction between the cleaning piece and the cleaning piece, and therefore, the oil cooler maintenance tube changing device with the sealing and detecting effects is designed to solve the problems. Disclosure of Invention The invention aims to provide a maintenance tube changing device for an oil cooler with a sealing detection effect, so as to solve the problems in the background technology. In order to solve the technical problems, the oil cooler maintenance tube replacement device with the sealing detection effect comprises a maintenance groove, wherein a fixing ring is arranged in the maintenance groove, one end of an inner ring of the fixing ring is provided with an air collecting tube, an air collecting cavity is arranged in the air collecting tube, a plurality of air injection heads communicated with the air collecting cavity are arranged at equal intervals on the inner ring of the air collecting tube, a fixing box is arranged at the top of the fixing ring, an air transmission assembly for conveying hot air to the air injection heads is arranged in the fixing box, and an inner core tube is inserted into the inner ring of the fixing ring. Further, the gas transmission assembly comprises a fan, the mounting mouth that is linked together with inside has been seted up at the top of fixed case, the fan sets up in the mounting mouth, be provided with the coiled pipe in the fixed incasement, the bottom of coiled pipe extends to the gas collection intracavity, still be provided with the installed part in the fixed incasement, the top of coiled pipe is fixed to peg graft on the installed part, and is located the below of fan, the top of installed part is provided with the heating block, be provided with the electric heating wire in the heating block. Further, the inner ring of coiled pipe still is provided with snakelike gasbag pipe, the intermediate layer chamber has been seted up in the snakelike gasbag pipe, one side of fixed case is provided with the air guide case, the top of air guide case is provided with the one-way admission valve that is linked together with inside, the fixed grafting in one side of air guide case has the air duct, the other end of air duct extends to the intermediate layer intracavity, be provided with first solenoid valve on the air duct, the slip grafting in one side of air guide case has the pull rod, the one end of pull rod is provided with the piston, the piston slides and sets up in the air guide case. Further, the number of the air guide pipes is two, and the two air guide pipes are respectively inserted into two bending positions of the snake-shaped air bag pipe. Further, a spring is further arranged between the piston and the inner side wall of the air guide box, and the spring is movably sleeved on the pull rod. Further, one end of the pull rod, which is far away from the piston, is provided with a pull block, the diameter of the pull block is far greater than that of the pull rod, and the outer surface of the pull block is provided with anti-skid grains. Further, still including being used for the clean subassembly of the oil stain and the impurity clearance of inner core pipe surface softening, clean subassembly includes the