Pipeline detection crawling device

Abstract

The utility model belongs to the field of crawling devices, and particularly relates to a pipeline detection crawling device which comprises two installation rings hinged to each other, installation mechanisms are arranged on the installation rings, a flat plate is fixedly connected to the opposite sides of the two installation rings, and four evenly-distributed supporting rods are fixedly connected to the outer side of the flat plate. The end, located on the inner side of the mounting ring, of the supporting rod is fixedly connected with an electric driving frame, and four evenly-distributed electric wheels are mounted on the outer side of the electric driving frame. The limiting frames, the limiting frames, the guide frames and other structures are additionally arranged on the mounting rings, the two mounting rings can be limited through the limiting frames in the using process, then the positions of the limiting frames are limited through the limiting frames, limiting of the limiting frames on the mounting frames can be more stable, and during dismounting, the mounting rings can be conveniently detached, and the mounting rings can be conveniently detached. And the limiting frame can be conveniently taken down only by separating the limiting frame from the mounting ring, so that the mounting ring is more convenient to mount.

Description

Technical Field

[0001] The utility model relates to the technical field of crawling devices, in particular to a pipeline detection crawling device. Background Art

[0002] When inspecting the outside of the pipeline, some higher pipelines need to be climbed on the outside of the pipeline by a crawling device, and then the pipeline is inspected by the inspection equipment installed outside the crawling device;

[0003] According to the patent authorization announcement number: CN109870508B, a pipeline inspection crawling device is proposed, including: an annular bracket, which is a fixing and supporting platform for the entire device, and is sleeved on the outside of the inspected pipeline when in use; three support wheel assemblies, which are evenly distributed on the annular bracket, and a driving mechanism is provided on the support wheel assembly; a rotating driving mechanism, which is fixedly arranged on the annular bracket and is used to drive the annular bracket to rotate;

[0004] However, the crawling device in the prior art needs to be repeatedly disassembled and installed on the outside of the pipeline during use, but the installation method is relatively cumbersome, resulting in low efficiency of the device, and during the inspection process, the outer weld or connection hoop of the pipeline is easy to block the crawling device from moving forward. Therefore, there is a need to improve the prior art. Utility Model Content

[0005] The utility model aims to provide a pipeline detection crawling device, which solves the problem that the crawling device is inconvenient to install and is easily blocked by sundries such as welding seams.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipeline detection crawling device, comprising two hinged mounting rings, the mounting rings are provided with mounting mechanisms, a flat plate is fixedly connected to the opposite sides of the two mounting rings, the outer side of the flat plate is fixedly connected to four evenly distributed support rods, the end of the support rod located on the inner side of the mounting ring is fixedly connected to an electric drive frame, four evenly distributed electric wheels are installed on the outer side of the electric drive frame, a spring is arranged on the outer side of the support rod, a screw is installed inside the side of the flat plate away from the mounting ring through a bearing, a threaded frame is slidably connected to the outer side of the support rod, a baffle is fixedly connected to the outer side of the support rod, and an equipment frame is fixedly connected to the outer side of the mounting ring.

[0007] Preferably, the screw rod is connected to the threaded rack via threads, and one end of the screw rod away from the flat plate is fixedly connected to a hand wheel, and the hand wheel can drive the screw rod to rotate.

[0008] Preferably, one end of the spring one is fixedly connected to the baffle, the other end of the spring one is fixedly connected to the threaded rack, the support rod is slidably connected to the mounting ring, and the spring one can support the baffle through elastic force.

[0009] Preferably, the mounting mechanism includes a limit frame, the outer side of the mounting ring is slidably connected to the limit frame, the upper end of the limit frame is fixedly connected to a guide frame, the outer side of the guide frame is slidably connected to two limit frames symmetrically distributed front and back, a spring 2 is provided on the outer side of the rod of the guide frame, the upper end of the limit frame is fixedly connected to a lifting frame, and the limit frame can limit the two mounting rings.

[0010] Preferably, the lifting frame is slidably connected to the guide frame, the limiting frame is slidably connected to the limiting frame, the limiting frame is slidably connected to the mounting ring, and the limiting frame can limit the limiting frame.

[0011] Preferably, one end of the second spring is fixedly connected to the limit frame, and the other end of the second spring is fixedly connected to the guide frame. The second spring can drive the limit frame to automatically reset through elastic force.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model adds structures such as a limit frame, a limit frame and a guide frame to the mounting ring. During use, the two mounting rings can be limited by the limit frame, and then the position of the limit frame can be limited by the limit frame, so that the limit frame can limit the mounting frame more stably. When disassembling, the limit frame can be easily removed by simply separating the limit frame from the mounting ring, thereby making the installation of the mounting ring more convenient.

[0014] 2. The utility model adds structures such as support rods, screws and threaded racks on the mounting ring, and then pushes the second spring through the threaded cooperation of the screw and the threaded rack, and squeezes the electric drive wheel to the outside of the pipeline through the elastic force of the second spring. When the electric drive wheel encounters an obstacle, the second spring can be deformed to drive the electric drive wheel to move, thereby avoiding the situation where the obstacle blocks the movement of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0016] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0017] Figure 3 For the utility model Figure 1 A three-dimensional diagram of the electric drive frame;

[0018] Figure 4 For the utility model Figure 2 A magnified view of the structure of part A;

[0019] Figure 5 For the utility model Figure 4 A three-dimensional enlarged image of the limiting frame.

[0020] In the figure: 1. mounting ring; 2. mounting mechanism; 3. flat plate; 4. support rod; 5. electric drive frame; 6. electric wheel; 7. threaded frame; 8. spring 1; 9. screw; 10. hand wheel; 11. baffle; 12. equipment frame; 21. limit frame; 22. guide frame; 24. limit frame; 25. spring 2; 26. lifting frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 A pipeline detection crawling device comprises two hinged mounting rings 1, on which mounting mechanisms 2 are arranged, flat plates 3 are fixedly connected to opposite sides of the two mounting rings 1, four evenly distributed support rods 4 are fixedly connected to the outer side of the flat plates 3, one end of the support rod 4 located on the inner side of the mounting ring 1 is fixedly connected to an electric drive frame 5, four evenly distributed electric wheels 6 are installed on the outer side of the electric drive frame 5, a spring 8 is arranged on the outer side of the support rod 4, a screw rod 9 is installed inside the side of the flat plate 3 away from the mounting ring 1 through a bearing, a threaded frame 7 is slidably connected to the outer side of the support rod 4, a baffle 11 is fixedly connected to the outer side of the support rod 4, and an equipment frame 12 is fixedly connected to the outer side of the mounting ring 1.

[0023] See also Figure 1 , Figure 2 , Figure 3 The screw rod 9 is connected to the threaded frame 7 through a thread, and the end of the screw rod 9 away from the plate 3 is fixedly connected to a handwheel 10, and the handwheel 10 can drive the screw 9 to rotate. One end of the spring 8 is fixedly connected to the baffle 11, and the other end of the spring 8 is fixedly connected to the threaded frame 7. The support rod 4 is slidably connected to the mounting ring 1, and the spring 8 can support the baffle 11 through elastic force.

[0024] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 The mounting mechanism 2 includes a limit frame 21, the outer side of the mounting ring 1 is slidably connected to the limit frame 21, the upper end of the limit frame 21 is fixedly connected to a guide frame 22, the outer side of the guide frame 22 is slidably connected to two limit frames 24 symmetrically distributed front and back, a spring 25 is arranged on the outer side of the rod of the guide frame 22, and the upper end of the limit frame 24 is fixedly connected to a lifting frame 26, the limit frame 21 can limit the two mounting rings 1, the lifting frame 26 is slidably connected to the guide frame 22, the limit frame 24 is slidably connected to the limit frame 21, the limit frame 24 is slidably connected to the mounting ring 1, the limit frame 24 can limit the limit frame 21, one end of the spring 25 is fixedly connected to the limit frame 24, and the other end of the spring 25 is fixedly connected to the guide frame 22, and the spring 25 can drive the limit frame 24 to automatically reset through elastic force.

[0025] The specific implementation process of the utility model is as follows: when in use, the two mutually hinged mounting rings 1 are buckled on the outside of the pipe, and then the lifting frame 26 is pulled, the lifting frame 26 drives the limiting frame 24 to move, and the spring 25 is compressed, and then the limiting frame 21 is slid to the outside of the mounting ring 1. After sliding to the predetermined position, the lifting frame 26 is released, the spring 25 is reset, and the spring 25 drives the limiting frame 24 to slide into the inside of the mounting ring 1 through the elastic force, so that the mounting ring 1 can be limited and installed;

[0026] Then turn the hand wheel 10, the hand wheel 10 drives the screw rod 9 to rotate, and the screw rod 9 can drive the screw rack 7 to move by cooperating with the thread between the screw rack 7 during the rotation process, and the screw rack 7 pushes the spring 18 to squeeze the baffle 11 during the movement, and the baffle 11 pushes the support rod 4 to drive the electric wheel 6 on the electric drive rack 5 to contact the pipeline, and rotates again to apply pressure to the spring 25, and the elastic force generated after the spring 25 is squeezed can push the electric wheel 6 to squeeze the outside of the pipeline, and then the electric wheel 6 can drive the device to crawl on the outside of the pipeline. In the process of crawling, if an obstacle smaller than the radius of the electric wheel 6 is encountered, the spring 18 can be elastically deformed to change the driving radius, thereby effectively avoiding the obstruction of the obstacle.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipeline inspection crawling device, comprising two hinged mounting rings (1), characterized in that: The mounting ring (1) is provided with a mounting mechanism (2); a flat plate (3) is fixedly connected to one side opposite to the two mounting rings (1); four evenly distributed support rods (4) are fixedly connected to the outer side of the flat plate (3); one end of the support rod (4) located inside the mounting ring (1) is fixedly connected to an electric drive frame (5); four evenly distributed electric wheels (6) are installed on the outer side of the electric drive frame (5); a spring (8) is arranged on the outer side of the support rod (4); a screw rod (9) is installed inside the side of the flat plate (3) away from the mounting ring (1) through a bearing; a threaded frame (7) is slidably connected to the outer side of the support rod (4); a baffle (11) is fixedly connected to the outer side of the support rod (4); and an equipment frame (12) is fixedly connected to the outer side of the mounting ring (1).

2. A pipeline detection crawling device according to claim 1, characterized in that: The screw rod (9) is connected to the threaded frame (7) via threads, and one end of the screw rod (9) away from the flat plate (3) is fixedly connected to a hand wheel (10).

3. A pipeline detection crawling device according to claim 1, characterized in that: One end of the spring one (8) is fixedly connected to the baffle (11), the other end of the spring one (8) is fixedly connected to the threaded frame (7), and the support rod (4) is slidably connected to the mounting ring (1).

4. A pipeline detection crawling device according to claim 1, characterized in that: The mounting mechanism (2) comprises a limit frame (21), the outer side of the mounting ring (1) is slidably connected to the limit frame (21), the upper end of the limit frame (21) is fixedly connected to a guide frame (22), the outer side of the guide frame (22) is slidably connected to two limit frames (24) symmetrically distributed front and back, a spring 2 (25) is arranged on the outer side of the rod of the guide frame (22), and the upper end of the limit frame (24) is fixedly connected to a lifting frame (26).

5. A pipeline detection crawling device according to claim 4, characterized in that: The lifting frame (26) is slidably connected to the guide frame (22), the limiting frame (24) is slidably connected to the limiting frame (21), and the limiting frame (24) is slidably connected to the mounting ring (1).

6. A pipeline detection crawling device according to claim 4, characterized in that: One end of the second spring (25) is fixedly connected to the limiting frame (24), and the other end of the second spring (25) is fixedly connected to the guide frame (22).

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