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CN-120503076-B - Pipeline inner wall grinding device

CN120503076BCN 120503076 BCN120503076 BCN 120503076BCN-120503076-B

Abstract

The invention discloses a pipeline inner wall polishing device, which relates to the technical field of pipeline polishing, and comprises a frame body, wherein a plurality of groups of first sliding grooves are embedded in the right side wall of the frame body, the left end of the frame body is rotatably connected with a matching plate, a plurality of groups of arc-shaped driving grooves are embedded in the side wall of the matching plate, the first sliding grooves and the arc-shaped driving grooves are in sliding fit with two ends of a driving rod, the driving rod is in a T shape, the other end of the driving rod penetrates through the side wall of the frame body in a sliding mode and is fixedly connected with the side wall of a containing frame in a driving assembly, the plurality of groups of driving rods can be synchronously driven to move along the first sliding grooves when the matching plate rotates, the diameter of the containing frame is slightly adjusted to form a round shape, and an inflator pump is used for inflating and expanding a rubber ring layer to form secondary sealing fixation, and the axial stability during polishing is ensured.

Inventors

  • LIU WENJIE
  • XIE TIANXIANG
  • ZENG JIANJIA

Assignees

  • 南京文基智机械设备有限公司

Dates

Publication Date
20260508
Application Date
20250602

Claims (9)

  1. 1. The utility model provides a pipeline inner wall grinding device, includes the framework, and the embedding of framework right side wall is equipped with multiunit first spout, and the left end of framework rotates to be connected with the cooperation board, and the cooperation board lateral wall embedding is equipped with multiunit arc drive slot, first spout and arc drive slot and actuating lever both ends sliding fit, and the actuating lever is T shape, and the actuating lever other end slides and passes framework lateral wall and holds frame lateral wall fixed connection in the drive assembly; the polishing machine is characterized in that a control assembly is arranged on the right side wall of the frame body and is connected with the polishing assembly; the accommodating frames in the multiple groups of driving assemblies are fixedly connected with driving wheel assemblies; The side walls of the multiple groups of containing frames are fixedly connected with the side walls of the rubber ring layers, the outer peripheral walls of the rubber ring layers are fixedly connected with concave plates, and the outer surfaces of the rubber ring layers are fixedly connected with shielding films; The accommodating frame is connected with an inflator pump through a bolt, and the output end of the inflator pump is communicated with the rubber ring layer through an output pipe; the rubber ring layer is integrally expanded, the expanded rubber ring layer drives the concave plate to contact with the inner wall of the pipeline, the concave plate enables the polishing area in the inner wall of the pipeline to be divided into two areas through the cooperation of the shielding film, one side of the polishing area is the polishing completed area, and dust generated by the polishing area in the polishing process is prevented from being conveyed into the polishing completed area; The frame body is provided with two groups; the cooperation board drives arc drive slot and rotates when rotating, and the cooperation board passes through arc drive slot promotion actuating lever and keeps away from the arc drive slot other end and slide in first spout.
  2. 2. The polishing device for the inner wall of a pipeline according to claim 1, wherein two groups of frames are reversely arranged and placed at the left end and the right end of the pipeline, positions between the two groups of frames are adjusted, concave plates on the two groups of frames are in contact with the inner wall of the pipeline, shielding films are arranged at the left end and the right end of the pipeline, a closed space with adjustable length is formed in a space between the two groups of shielding films, air is pumped into the guide pipe through a first suction pump and then enters the closed space through a driving pipe, whether air flow leakage exists at the peripheral wall of the pipeline is observed, and whether gaps exist at the side wall of the pipeline or a welding seam of the pipeline in the closed space can be tested.
  3. 3. The polishing device for the inner wall of a pipeline according to claim 2, wherein the control assembly comprises a base, the base is fixedly connected with the right side wall of the frame, a first motor is connected to the base through bolts, an output shaft of the first motor is fixedly connected with a driving gear, the driving gear is meshed with a driven gear, the driven gear is rotationally connected with the center of the frame, an inner rotating shaft of the driven gear penetrates through the center of the frame and is fixedly connected with the center of a matching plate, and the driven gear is used for driving the matching plate to rotate.
  4. 4. A pipeline inner wall polishing device as set forth in claim 3, wherein the right side wall of the base is rotatably connected with a mating gear, the center of the mating gear is fixedly connected with an output shaft of an auxiliary motor, the auxiliary motor is connected to the base through bolts, and the mating gear is meshed with the driving gear.
  5. 5. The polishing apparatus for an inner wall of a pipeline as set forth in claim 4, wherein the driving gear is rotatably connected to the base, the center of the driving gear is fixedly connected to the connecting shaft, the other end of the driving gear is fixedly connected to the outer rod, and a plurality of sets of distance sensors are fixedly connected to the side wall of the outer rod at equal intervals.
  6. 6. The polishing device for the inner wall of a pipeline according to claim 5, wherein an electric push rod is connected in the outer rod through a bolt, the telescopic end of the electric push rod is fixedly connected with a sliding rod, a grating ruler is embedded in the surface of the sliding rod, a reading head is connected to the inner side wall of the outer rod above the grating ruler through a bolt, and an adjusting assembly is fixedly connected to one end, far away from the electric push rod, of the sliding rod.
  7. 7. The polishing device for the inner wall of a pipeline according to claim 6, wherein the adjusting component consists of an electric push rod, an inserting rod and a grating ruler, the grating ruler is embedded in the inserting rod, the inserting rod is connected with the sliding rod in a sliding way, and the sliding rod is internally provided with another group of reading heads matched with the grating ruler; the insert rod is fixedly connected with the polishing assembly.
  8. 8. The polishing device for the inner wall of a pipeline according to claim 1, wherein the driving assembly comprises a containing frame, the containing frame is connected with a first suction pump through bolts, a flow guide pipe is fixedly connected in the containing frame, the flow guide pipe is annular, and the flow guide pipes penetrate through the inner side walls of the multiple groups of containing frames and are arranged in a sealing mode.
  9. 9. The polishing device for the inner wall of a pipeline according to claim 8, wherein the output end of the first suction pump is communicated with the guide pipe, the guide pipe is communicated with the driving pipe, the driving pipe penetrates through the accommodating frame and the shielding film to be exposed to the right end area of the frame body, the guide pump is connected in the accommodating frame through bolts, the output end of the guide pump is communicated with the concave plate through a conveying pipe penetrating through the rubber ring layer, and a valve is arranged on the side wall of the accommodating frame.

Description

Pipeline inner wall grinding device Technical Field The invention relates to the technical field of pipeline polishing, in particular to a pipeline inner wall polishing device. Background The patent with publication number CN222308323U discloses a pipeline inner wall polishing device, which comprises a fixed rod, wherein the fixed rod is provided with two groups of movable structures which are distributed in parallel and can shrink and expand, a polishing structure is arranged between the two groups of movable structures, the movable structure comprises a plurality of hinge seats which are rotationally connected with movable wheels, the hinge seats are hinged with the fixed rod through the hinge rods, the pipeline inner wall polishing device also comprises a shrinkage and expansion mechanism which synchronously adjusts the included angles between the hinge rods and the fixed rod, the polishing structure is arranged into a plurality of groups and is respectively arranged at the position between two opposite hinge seats in the two groups of movable structures, and the polishing structure comprises a U-shaped frame. The patent with the publication number of CN212122644U discloses a polishing device for polishing the inner wall of a stainless steel pipeline, which comprises a polishing roller, a polishing groove is formed in the middle of one side of the polishing roller, a sliding connection adjusting rod is arranged in the polishing groove, a plurality of first adjusting holes which are distributed circularly and are communicated with the polishing groove are formed in the polishing roller, sliding connection first adjusting blocks are arranged in the first adjusting holes, fixed connection polishing blocks are arranged outside the first adjusting blocks, and fixed connection polishing blocks are arranged on the polishing blocks. According to the prior art, the polishing blocks and the polishing blocks synchronously expand or contract, so that the inner walls of stainless steel pipelines with different pipe diameters can be polished, the polishing is more convenient and quick, in the polishing process, the region to be polished in the pipeline cannot be separated from the polishing completion region, and the polished dust in the region to be polished is easily conveyed to the polishing completion region. Disclosure of Invention Accordingly, in order to solve the above-mentioned shortcomings, the present invention provides a polishing apparatus for an inner wall of a pipe. The invention discloses a pipeline inner wall polishing device, which comprises a frame body, wherein a plurality of groups of first sliding grooves are embedded in the right side wall of the frame body, the left end of the frame body is rotationally connected with a matching plate, a plurality of groups of arc-shaped driving grooves are embedded in the side wall of the matching plate, the first sliding grooves and the arc-shaped driving grooves are in sliding fit with two ends of a driving rod, the driving rod is in a T shape, the other end of the driving rod penetrates through the side wall of the frame body in a sliding manner and is fixedly connected with the side wall of a containing frame in a driving assembly; the rubber ring layer is integrally expanded, the expanded rubber ring layer drives the concave plate to contact with the inner wall of the pipeline, the concave plate enables the polishing area in the inner wall of the pipeline to be divided into two areas through the cooperation of the shielding film, one side of the polishing area is the polishing completed area, and dust generated by the polishing area in the polishing process is prevented from being conveyed into the polishing completed area; The frame body is provided with two groups; the cooperation board drives arc drive slot and rotates when rotating, and the cooperation board passes through arc drive slot promotion actuating lever and keeps away from the arc drive slot other end and slide in first spout. Preferably, two sets of frameworks are reverse setting and place into the left and right sides both ends of pipeline to adjust the position between two sets of frameworks, make concave plate and pipeline inner wall contact on two sets of frameworks, be located the pipeline and control the shielding film at both ends, form a length adjustable enclosure space with the space between two sets of shielding films, in the draft tube was carried to the extraction air through first suction pump then gets into the enclosure space through the drive pipe, observe whether there is the air current to reveal the pipeline periphery wall, and can test the pipeline lateral wall or the pipeline welding seam of this section enclosure space have the gap. Preferably, the control assembly comprises a base, the base is fixedly connected with the right side wall of the frame body, a first motor is connected to the base through bolts, an output shaft of the first motor is fixedly connected with