Crack detection device for long tubular structure

Abstract

The utility model discloses a crack detection device for a long tubular structure, which relates to the technical field of crack detection and comprises a bottom plate, a stabilizing block is slidably connected in a stabilizing groove, a screw rod is rotatably connected in a limiting groove, a first motor is fixedly mounted on one side of a sliding seat, and an output shaft end of the first motor is fixedly connected with the screw rod. An extension rod is fixedly connected to one side of the stabilizing block, the mounting table is fixedly connected to one end of the extension rod, a connecting groove is formed in the limiting groove, and the sliding block and the stabilizing block are fixedly connected through a fixing rod. A first motor is started to drive a lead screw to rotate, a sliding block is driven to slide along a limiting groove through rotation of the lead screw, a stabilizing block is driven to slide along a stabilizing groove through sliding of the sliding block, an extension rod drives a mounting table to move under the action of the stabilizing block, the mounting table extends into a pipeline, and a gear motor is started to drive a detection probe to rotate; the interior of the pipeline is comprehensively detected, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of crack detection, in particular to a crack detection device for long tubular structures. Background Art

[0002] Cracks are the most common damage to underground pipelines. The size of cracks in underground pipelines is one of the criteria for evaluating the service life of underground pipelines. Detecting cracks is a common technical problem. Existing crack detection methods mainly include image processing, ultrasonic detection and other methods.

[0003] After retrieval, the existing published patent number is: CN201810824619.2, and the published patent name is: A pipeline crack detection method, which includes a base. The upper end of the base is fixedly connected with a box body. A first screw rod and a second screw rod are horizontally arranged inside the box body. The first screw rod and the second screw rod are coaxially and fixedly connected. The end of the second screw rod far from the first screw rod is rotatably connected to the left inner wall of the box body. The end of the first screw rod far from the second screw rod penetrates through the right inner wall of the box body and extends outwards. A motor box is fixedly connected to the right side wall of the box body at a position corresponding to the first screw rod. A first driving motor is arranged inside the motor box. The end of the first screw rod far from the second screw rod penetrates through the connection part of the box body and the motor box and extends into the motor box. The end of the first screw rod far from the second screw rod is fixedly connected to the output end of the first driving motor. Moving rods are threadedly connected to the rod walls of the first screw rod and the second screw rod. The present invention is convenient for adjusting the distance of the camera device and can improve the detection effect of pipeline cracks.

[0004] However, the above device cannot detect the inside of the pipeline when the pipeline diameter is small, and there are certain deficiencies. Content of the Utility Model

[0005] (I) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a crack detection device for long tubular structures, which solves the problem that the inside of the pipeline cannot be detected when the pipeline diameter is small.

[0007] (II) Technical Solutions

[0008] To achieve the above object, the utility model is realized by the following technical solutions: A crack detection device for long tubular structures, comprising: a bottom plate, on the upper surface of which a first electric push rod is fixedly installed, the movable end of the first electric push rod is fixedly connected with a sliding seat, on one side of the sliding seat there is an installation table, on one side of the installation table a reduction motor is fixedly installed, the output shaft end of the reduction motor is fixedly connected with a second electric push rod, the movable end of the second electric push rod is fixedly connected with a detection probe, on the upper surface of the bottom plate a flaw detector is fixedly installed, on the flaw detector there is a control screen, the flaw detector is electrically connected with the detection probe, and on the sliding seat there is a telescopic component;

[0009] The telescopic component includes a limiting groove opened on the upper surface of the sliding seat, on the upper surface of the sliding seat there are symmetrically arranged stable grooves, in the limiting groove there is a sliding block slidingly connected, in the stable groove there is a stabilizing block slidingly connected, in the limiting groove there is a screw rod rotatably connected, on one side of the sliding seat a first motor is fixedly installed, the output shaft end of the first motor is fixedly connected with the screw rod, on one side of the stabilizing block there is an extension rod fixedly connected, the installation table is fixedly connected to one end of the extension rod, in the limiting groove there is a connecting groove, and the sliding block and the stabilizing block are fixedly connected by a fixing rod.

[0010] Preferably, on the upper surface of the bottom plate there are symmetrically arranged positioning rods, the sliding seat is slidingly connected to the surface of the positioning rods, and on the surface of the sliding seat there are limiting holes matching the positioning rods.

[0011] Preferably, on the upper surface of the bottom plate there is a protective shell, and on the upper surface of the bottom plate there is a pushing frame fixedly connected.

[0012] Preferably, the screw rod is threadedly connected with the sliding block, and on the sliding seat there is a stable hole with the same size as the extension rod.

[0013] Preferably, the control screen is electrically connected with the flaw detector, and on the bottom plate there is a battery box electrically connected with the flaw detector.

[0014] Preferably, the protective shell is arranged on the upper surface of the positioning rods, and the first electric push rod is arranged at the center position on the upper surface of the bottom plate.

[0015] Preferably, on the bottom of the bottom plate there are symmetrically arranged universal wheels, and on the surface of the detection probe there is a protective sleeve sleeved.

[0016] Beneficial effects

[0017] The utility model provides a crack detection device for long tubular structures. Compared with the prior art, it has at least the following beneficial effects:

[0018] Start the first motor to drive the lead screw to rotate. Drive the slider to slide along the limit groove through the rotation of the lead screw. Drive the stabilizing block to slide along the stabilizing groove through the sliding of the slider. Under the action of the stabilizing block, drive the extension rod to drive the mounting table to move, extend the mounting table into the pipeline, start the reduction motor to drive the detection probe to rotate, and conduct a comprehensive inspection of the inside of the pipeline for convenient use. Brief Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of the present utility model;

[0020] Figure 2 It is a schematic structural diagram of the inside of the bottom plate of the present utility model;

[0021] Figure 3 It is a schematic structural diagram of the sliding seat of the present utility model;

[0022] Figure 4 It is a schematic structural diagram of the telescopic assembly of the present utility model.

[0023] In the figure: 1, bottom plate; 2, universal wheel; 3, protective shell; 4, flaw detector; 5, control panel; 6, first electric push rod; 7, sliding seat; 9, mounting table; 10, reduction motor; 11, second electric push rod; 12, detection probe; 13, positioning rod; 14, pushing frame; 15, telescopic assembly; 1501, limit groove; 1502, stabilizing groove; 1503, first motor; 1504, lead screw; 1505, slider; 1506, stabilizing block; 1507, connecting groove; 1508, extension rod. Specific Embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1:

[0026] Please refer to Figures 1-4, the present utility model provides a technical solution: a bottom plate 1, on the upper surface of the bottom plate 1, a first electric push rod 6 is fixedly installed. The movable end of the first electric push rod 6 is fixedly connected with a sliding seat 7. On one side of the sliding seat 7, there is an installation table 9. On one side of the installation table 9, a reduction motor 10 is fixedly installed. The output shaft end of the reduction motor 10 is fixedly connected with a second electric push rod 11. The movable end of the second electric push rod 11 is fixedly connected with a detection probe 12. On the upper surface of the bottom plate 1, a flaw detector 4 is fixedly installed. On the flaw detector 4, there is a control screen 5. The flaw detector 4 is electrically connected with the detection probe 12. On the sliding seat 7, there is a telescopic assembly 15;

[0027] The telescopic assembly 15 includes a limiting groove 1501 opened on the upper surface of the sliding seat 7. On the upper surface of the sliding seat 7, stabilizing grooves 1502 are symmetrically arranged. A slider 1505 is slidably connected in the limiting groove 1501. A stabilizing block 1506 is slidably connected in the stabilizing groove 1502. A lead screw 1504 is rotatably connected in the limiting groove 1501. On one side of the sliding seat 7, a first motor 1503 is fixedly installed. The output shaft end of the first motor 1503 is fixedly connected with the lead screw 1504. One side of the stabilizing block 1506 is fixedly connected with an extension rod 1508. The installation table 9 is fixedly connected to one end of the extension rod 1508. A connection groove 1507 is opened in the limiting groove 1501. The slider 1505 and the stabilizing block 1506 are fixedly connected by a fixing rod. On the bottom of the bottom plate 1, universal wheels 2 are symmetrically arranged. A protective sleeve is sleeved on the surface of the detection probe 12.

[0028] Analysis of the above content: Start the first motor 1503 to drive the lead screw 1504 to rotate. Through the rotation of the lead screw 1504, drive the slider 1505 to slide along the limiting groove 1501. Through the sliding of the slider 1505, drive the stabilizing block 1506 to slide along the stabilizing groove 1502. Under the action of the stabilizing block 1506, make the extension rod 1508 drive the installation table 9 to move, extend the installation table 9 into the pipeline, start the reduction motor 10 to drive the detection probe 12 to rotate, and conduct a comprehensive inspection of the inside of the pipeline. Drive the detection probe 12 to extend or shorten through the second electric push rod 11 to conduct a comprehensive inspection of pipelines with different diameters. Set a protective sleeve to protect the detection probe 12 when it is not in use.

[0029] Embodiment Two:

[0030] Please refer to Figures 1-4 , based on Embodiment One, the present utility model provides a technical solution: On the upper surface of the bottom plate 1, positioning rods 13 are symmetrically arranged. The sliding seat 7 is slidably connected to the surface of the positioning rods 13. On the surface of the sliding seat 7, limiting holes matching the positioning rods 13 are opened.

[0031] Analysis of the above content: When the sliding seat 7 moves up and down through the positioning rod 13, it is more stable. The height of the sliding seat 7 is adjusted by the first electric push rod 6, which is convenient for adjusting the height of the mounting table 9 according to pipes with different diameters.

[0032] Embodiment 3:

[0033] Please refer to Figures 1-4 , a technical solution is provided based on Embodiment 1 of the present utility model: A protective shell 3 is arranged on the upper surface of the bottom plate 1, and a pushing frame 14 is fixedly connected to the upper surface of the bottom plate 1.

[0034] Analysis of the above content: The equipment is protected by the protective shell 3, and the bottom plate 1 is moved to the required position through the pushing frame 14, which is convenient for the transportation of the bottom plate 1.

[0035] Embodiment 4:

[0036] Please refer to Figures 1-4 , a technical solution is provided based on Embodiment 1 of the present utility model: The lead screw 1504 is threadedly connected to the slider 1505, and a stabilizing hole with the same size as the extension rod 1508 is provided on the sliding seat 7.

[0037] Analysis of the above content: The slider 1505 is driven to move by the lead screw 1504, and the stabilizing hole is provided to make the extension rod 1508 move more stably, which is convenient for adjusting the extending length of the mounting table 9 and is convenient for detecting small-diameter pipes.

[0038] Embodiment 5:

[0039] Please refer to Figures 1-4 , a technical solution is provided based on Embodiment 1 of the present utility model: The control screen 5 is electrically connected to the flaw detector 4, and a battery box electrically connected to the flaw detector 4 is arranged on the bottom plate 1.

[0040] Analysis of the above content: The inside of the pipe is detected by the flaw detector 4, the detection result is displayed by the control screen 5, the battery box is provided to supply power to the flaw detector 4, and a charging port is arranged on the surface of the battery box.

[0041] Embodiment 6:

[0042] Please refer to Figures 1-4 , a technical solution is provided based on Embodiment 1 of the present utility model: The protective shell 3 is arranged on the upper surface of the positioning rod 13, and the first electric push rod 6 is arranged at the central position on the upper surface of the bottom plate 1.

[0043] Analysis of the above content: The sliding seat 7 is limited by the protective shell 3, and the first electric push rod 6 drives the sliding seat 7 to move up and down along the surface of the positioning rod 13 to adjust the height of the mounting table 9. The reduction motor 10 drives the second electric push rod 11 to rotate, and the internal part of the pipeline is comprehensively detected by the rotation of the detection probe 12.

[0044] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0045] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crack detection device for long tubular structures, characterized in that, Including: A bottom plate (1), on the upper surface of the bottom plate (1), a first electric push rod (6) is fixedly installed. The movable end of the first electric push rod (6) is fixedly connected to a sliding seat (7). On one side of the sliding seat (7), there is an installation table (9). On one side of the installation table (9), a reduction motor (10) is fixedly installed. The output shaft end of the reduction motor (10) is fixedly connected to a second electric push rod (11). The movable end of the second electric push rod (11) is fixedly connected to a detection probe (12). On the upper surface of the bottom plate (1), a flaw detector (4) is fixedly installed. On the flaw detector (4), there is a control screen (5). The flaw detector (4) is electrically connected to the detection probe (12). On the sliding seat (7), a telescopic assembly (15) is provided. The telescopic assembly (15) includes a limit groove (1501) opened on the upper surface of the sliding seat (7). On the upper surface of the sliding seat (7), stable grooves (1502) are symmetrically arranged. A slider (1505) is slidably connected in the limit groove (1501). A stable block (1506) is slidably connected in the stable groove (1502). A lead screw (1504) is rotatably connected in the limit groove (1501). On one side of the sliding seat (7), a first motor (1503) is fixedly installed. The output shaft end of the first motor (1503) is fixedly connected to the lead screw (1504). One side of the stable block (1506) is fixedly connected to an extension rod (1508). The installation table (9) is fixedly connected to one end of the extension rod (1508). A connection groove (1507) is opened in the limit groove (1501). The slider (1505) and the stable block (1506) are fixedly connected by a fixed rod.

2. The crack detection device for a long tubular structure according to claim 1, wherein: On the upper surface of the bottom plate (1), positioning rods (13) are symmetrically arranged. The sliding seat (7) is slidably connected to the surface of the positioning rods (13). On the surface of the sliding seat (7), a limit hole matching the positioning rods (13) is opened.

3. The crack detection device for a long tubular structure according to claim 2, characterized in that: On the upper surface of the bottom plate (1), a protective shell (3) is provided. On the upper surface of the bottom plate (1), a pushing frame (14) is fixedly connected.

4. A crack detection device for a long tubular structure according to claim 1, characterized in that: The lead screw (1504) is threadedly connected to the slider (1505). On the sliding seat (7), a stable hole having the same size as the extension rod (1508) is opened.

5. A crack detection device for a long tubular structure according to claim 1, characterized in that: The control screen (5) is electrically connected to the flaw detector (4). On the bottom plate (1), a battery box electrically connected to the flaw detector (4) is provided.

6. The crack detection device for a long tubular structure according to claim 3, wherein: The protective shell (3) is arranged on the upper surface of the positioning rods (13). The first electric push rod (6) is arranged at the central position on the upper surface of the bottom plate (1).

7. The crack detection device for long tubular structures according to claim 1, characterized in that: On the bottom of the bottom plate (1), universal wheels (2) are symmetrically arranged. A protective sleeve is sleeved on the surface of the detection probe (12).

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