Automatic cleaning and maintaining device for hydrogen energy pipeline

Abstract

The utility model relates to an automatic cleaning and maintaining device for a hydrogen energy pipeline, which comprises a shaft lever, and positioning plates are arranged at two ends of the shaft lever. The utility model relates to the technical field of hydrogen energy pipeline cleaning and maintaining equipment. According to the automatic cleaning and maintaining device for the hydrogen energy pipeline, the air pump inflates the sealing bag, so that the sealing bag expands and makes contact with the inner pipe wall of the hydrogen energy pipeline, at the moment, the positioning plates at the two ends and the inner wall of the pipeline form a closed cavity, and meanwhile the air pump continuously inflates the sealing bag; the sealing bag can effectively fill a gap between the positioning plate and the inner wall of the hydrogen pipeline, so that the positioning plate and the inner wall of the pipeline form a sealing state, and when the air pump inflates the sealing bag, the air pump can inflate air in the sealing cavity into the sealing bag, so that the air pressure in the sealing cavity is reduced, and meanwhile, the volume of hydrogen is reduced; the possibility of explosion can be effectively reduced, and meanwhile, the harm of explosion is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of hydrogen pipeline cleaning and maintenance equipment, and in particular to an automatic cleaning and maintenance device for hydrogen pipelines. Background Technology

[0002] During long-term operation, hydrogen pipelines accumulate impurities such as particulate matter, grease, and moisture, which affect the purity of hydrogen and increase safety risks.

[0003] In the existing technology, because hydrogen molecules are small in size, residual hydrogen is easily formed on the inner wall of the pipe. The existing technology for cleaning hydrogen pipes is mostly through rinsing with inert gas or cleaning with a brush. However, cleaning can easily cause particles to collide with each other, and these particles can easily generate static electricity during the collision process.

[0004] Meanwhile, existing cleaning and maintenance equipment is unable to seal the cleaned areas inside the pipeline. If the particles generate static electricity, it can easily ignite the residual hydrogen gas inside the pipeline, leading to pipeline damage. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an automatic cleaning and maintenance device for hydrogen energy pipelines, so as to solve the technical problems mentioned in the background art.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] An automatic cleaning and maintenance device for hydrogen energy pipelines includes a shaft, with positioning plates at both ends of the shaft. Several evenly distributed sliding wheels are provided on both sides of the positioning plates near the edges. Anti-slip grooves are provided on the outer peripheral walls of the sliding wheels. A receiving cavity is opened on the outer peripheral wall of the positioning plate, and a sealing structure is provided inside the receiving cavity.

[0008] A cleaning mechanism is provided in the middle of the outer peripheral wall of the shaft;

[0009] The sealing structure includes a sealing bag and an air pump. The sealing bag is placed inside the receiving cavity, the air pump is fixedly installed inside the positioning plate, the bottom end of the sealing bag is fixedly connected to the inner bottom wall of the receiving cavity, and the outer peripheral wall of the sealing bag is provided with an anti-slip thickened layer.

[0010] Furthermore, the cleaning mechanism includes an adsorption cylinder, which is sleeved on the outer peripheral wall of the shaft. The outer peripheral wall of the adsorption cylinder is provided with a suction structure, and a vacuum cleaner is provided inside the adsorption cylinder.

[0011] Furthermore, the outer peripheral wall of the adsorption cylinder is provided with a collar, and several connecting grooves are provided on the cylinder wall corresponding to the collar.

[0012] Furthermore, the suction structure includes two expansion plates, which are fixedly installed at both ends of the adsorption cylinder. A connecting ring is rotatably connected to the opposite side of the two expansion plates. A connecting pipe is provided inside the connecting ring. A brush plate structure is provided on the outer peripheral wall of the connecting ring at a position corresponding to the connecting pipe. The connecting pipe is fixedly connected to the collar.

[0013] Furthermore, the brush plate structure includes a friction brush plate, the end wall of which is provided with cleaning bristles, and the interior of the friction brush plate is provided with a plurality of suction holes, which are connected to the connecting pipe.

[0014] Furthermore, a drive motor is fixedly installed on the inner sidewall of one of the outer expansion plates, a drive gear is installed at the end of the drive motor, and an internal gear ring is installed inside the connecting ring at a position corresponding to the drive gear, the internal gear ring meshing with the drive gear.

[0015] In summary, this utility model has at least one of the following beneficial technical effects:

[0016] 1. This automatic cleaning and maintenance device for hydrogen pipelines uses an air pump to inflate a sealed bag, causing it to expand and come into contact with the inner wall of the hydrogen pipeline. At this time, the positioning plates at both ends form a closed cavity with the inner wall of the pipeline. Simultaneously, the air pump continuously inflates the sealed bag, effectively filling the gap between the positioning plates and the inner wall of the hydrogen pipeline, thus creating a seal. Furthermore, when the air pump inflates the sealed bag, it also fills the sealed cavity with gas, reducing the internal pressure and volume of hydrogen, effectively reducing the possibility of explosion and its hazards, thus effectively protecting the pipeline. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of an automatic cleaning and maintenance device for hydrogen energy pipelines according to the present invention.

[0019] Figure 2 This is a schematic diagram of the sealing structure of an automatic cleaning and maintenance device for hydrogen energy pipelines according to this utility model.

[0020] Figure 3 This is a schematic diagram of the cleaning mechanism of an automatic cleaning and maintenance device for hydrogen energy pipelines according to this utility model.

[0021] Figure 4 This is a schematic diagram of the inner wall structure of the cleaning mechanism of an automatic cleaning and maintenance device for hydrogen energy pipelines according to this utility model.

[0022] Figure 5 This is a plan sectional view of the cleaning mechanism of an automatic cleaning and maintenance device for hydrogen energy pipelines according to this utility model.

[0023] In the diagram, 1. Shaft; 2. Positioning plate; 3. Sliding wheel; 4. Anti-slip groove; 5. Receiving cavity; 6. Sealing structure; 61. Sealing bag; 62. Air pump; 7. Cleaning mechanism; 71. Adsorption cylinder; 72. Suction structure; 721. Outer expansion plate; 722. Connecting ring; 723. Connecting pipe; 724. Friction brush plate; 725. Cleaning bristles; 726. Suction hole; 73. Vacuum cleaner; 74. Collar; 75. Connecting groove; 8. Drive motor; 9. Drive gear; 10. Internal gear ring. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings. Example

[0025] Reference Figure 1 - Figure 5 The present invention discloses an automatic cleaning and maintenance device for hydrogen energy pipelines, including a shaft 1, with positioning plates 2 at both ends of the shaft 1, and a number of evenly distributed sliding wheels 3 on both sides of the positioning plates 2 near the edge, with anti-slip grooves 4 on the outer peripheral wall of the sliding wheels 3, and a receiving cavity 5 on the outer peripheral wall of the positioning plates 2, with a sealing structure 6 inside the receiving cavity 5.

[0026] A cleaning mechanism 7 is provided in the middle of the outer peripheral wall of the shaft 1;

[0027] The sealing structure 6 includes a sealing bag 61 and an air pump 62. The sealing bag 61 is disposed inside the receiving cavity 5, and the air pump 62 is fixedly installed inside the positioning plate 2. The bottom end of the sealing bag 61 is fixedly connected to the inner bottom wall of the receiving cavity 5, and the outer peripheral wall of the sealing bag 61 is provided with an anti-slip thickened layer.

[0028] In this embodiment, during use, the device moves to the position that needs maintenance or cleaning via the sliding wheels 3 on the outer periphery of the positioning plate 2. When the cleaning mechanism 7 corresponds to the cleaning position, the sealing mechanism fills the gap between the periphery of the positioning plate 2 and the inner wall of the pipe.

[0029] Specifically, such as Figure 2As shown, the air pump 62 inflates the sealing bag 61, causing it to expand and extend out of the receiving cavity 5 until the sealing bag 61 comes into contact with the inner wall of the hydrogen pipeline. At this point, the positioning plates 2 at both ends form a closed cavity with the inner wall of the pipeline.

[0030] Then, the air pump 62 continues to inflate the sealing bag 61, causing it to continue to expand. As a result, the sealing bag 61 will be squeezed into the gap between the positioning plate 2 and the inner wall of the hydrogen pipeline, and at the same time, it will be in contact with the sliding wheel 3.

[0031] At this time, the sealing bag 61 can effectively fill the gap between the positioning plate 2 and the inner wall of the hydrogen pipeline, so that the positioning plate 2 and the inner wall of the pipeline form a sealed state. When the air pump 62 inflates the sealing bag 61, the air pump 62 will fill the gas inside the sealed cavity into the sealing bag 61. At this time, the internal gas pressure of the sealed cavity is in a low state and the gas content is reduced, which can effectively reduce the possibility of explosion.

[0032] The cleaning mechanism 7 cleans the inner wall of the pipe. If static electricity is generated, the low air pressure can quickly balance the shock wave generated by the gas explosion, thus reducing the damage caused by the explosion.

[0033] In a further preferred embodiment of this utility model, such as Figure 4 and Figure 5 As shown, the cleaning mechanism 7 includes an adsorption cylinder 71, which is sleeved on the outer peripheral wall of the shaft 1. The outer peripheral wall of the adsorption cylinder 71 is provided with a suction structure 72, and a vacuum cleaner 73 is provided inside the adsorption cylinder 71.

[0034] In this embodiment, the vacuum cleaner 73 generates suction, and the suction structure 72 sucks dust and other particles into the vacuum cleaner 73 and stores them inside the suction cylinder 71, which is equipped with a dust collection bag.

[0035] In a further preferred embodiment of this utility model, such as Figure 4 and Figure 5 As shown, the outer peripheral wall of the adsorption cylinder 71 is provided with a collar 74, and several connecting grooves 75 are provided on the cylinder wall of the adsorption cylinder 71 at positions corresponding to the collar 74.

[0036] In this embodiment, the collar 74 is used to wrap the connecting groove 75, and the connecting pipe 723 connects the connecting groove 75 to the brush plate structure. When the gas inside the closed cavity enters the interior of the device through the brush plate structure, it can enter the interior of the connecting groove 75 through the connecting pipe 723 to achieve the purpose of sucking up dust.

[0037] In a further preferred embodiment of this utility model, such as Figure 3 , Figure 4 and Figure 5As shown, the suction structure 72 includes two outer expansion plates 721, which are respectively fixedly installed at both ends of the adsorption cylinder 71. The two outer expansion plates 721 are rotatably connected to a connecting ring 722 on opposite sides. A connecting pipe 723 is provided inside the connecting ring 722. A brush plate structure is provided on the outer peripheral wall of the connecting ring 722 at a position corresponding to the connecting pipe 723. The connecting pipe 723 is fixedly connected to the collar 74.

[0038] In this embodiment, the outer expansion plate 721 is used to install the connecting ring 722, and the connecting ring 722 is used to install the brush plate structure. By rotating the connecting ring 722, the brush plate structure cleans the inner wall surface of the pipe, brushing off the dust and particles stuck to the pipe wall. The dust is then sucked into the adsorption cylinder 71 by the vacuum cleaner 73 and stored inside the dust collection bag, thereby achieving the purpose of cleaning the pipe.

[0039] In a further preferred embodiment of this utility model, such as Figure 4 and Figure 5 As shown, the brush plate structure includes a friction brush plate 724, the end wall of the friction brush plate 724 is provided with cleaning bristles 725, and the interior of the friction brush plate 724 is provided with a plurality of suction holes 726, and the suction holes 726 are interconnected with the connecting pipe 723.

[0040] In this embodiment, the friction brush plate 724 is used to fix the cleaning bristles 725. When the cleaning bristles 725 come into contact with the tube wall and brush off dust and other particles through the suction hole 726, the vacuum cleaner 73 will suck in the floating dust and particles through the suction hole 726 to achieve the purpose of removing dust.

[0041] In a further preferred embodiment of this utility model, such as Figure 5 As shown, a drive motor 8 is fixedly installed on the inner side wall of one of the outer expansion plates 721, a drive gear 9 is installed at the end of the drive motor 8, and an internal gear ring 10 is installed inside the connecting ring 722 at a position corresponding to the drive gear 9, and the internal gear ring 10 meshes with the drive gear 9.

[0042] In this embodiment, the drive motor 8, in conjunction with the internal gear ring 10 and the drive gear 9, drives the connecting ring 722 to rotate, thereby brushing the inner wall of the pipe and improving the uniformity of cleaning the inner wall of the pipe.

[0043] Implementation principle: The air pump 62 inflates the sealing bag 61, causing the sealing bag 61 to expand and come into contact with the inner wall of the hydrogen pipeline, so that the positioning plates 2 at both ends form a closed cavity with the inner wall of the pipeline.

[0044] At the same time, the air pump 62 continuously inflates the sealing bag 61. At this time, the sealing bag 61 can effectively fill the gap between the positioning plate 2 and the inner wall of the hydrogen pipeline, so that the positioning plate 2 and the inner wall of the pipeline form a seal. When the air pump 62 inflates the sealing bag 61, the air pump 62 will fill the gas inside the sealed cavity into the sealing bag 61, which can effectively reduce the gas pressure inside the sealed cavity, and at the same time reduce the volume and content of hydrogen inside the sealed cavity.

[0045] By extracting gas to reduce pressure, the shock wave generated by the explosion can be greatly weakened in a low-pressure environment. Furthermore, by reducing the hydrogen content, the flammable gas is reduced, further diminishing the power of the explosion and thus protecting the pipeline.

[0046] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. An automatic cleaning and maintenance device for hydrogen energy pipelines, characterized in that, Including the axle rod (1), the both ends of axle rod (1) are provided with positioning plate (2), the both sides of positioning plate (2) are provided with several evenly distributed slip wheels (3) near the edge position, the outer peripheral wall of slip wheel (3) is provided with antiskid groove (4), the outer peripheral wall of positioning plate (2) is provided with containing cavity (5), the inside of containing cavity (5) is provided with sealing structure (6); The outer peripheral wall of the axle rod (1) is provided with a cleaning mechanism (7) in the middle part; The sealing structure (6) includes a sealing bag (61) and a gas pump (62), the sealing bag (61) is arranged in the inside of the containing cavity (5), the gas pump (62) is fixedly installed in the inside of the positioning plate (2), the bottom end of the sealing bag (61) is fixedly connected with the inside bottom wall of the containing cavity (5), and the outer peripheral wall of the sealing bag (61) is provided with an anti-skid thickening layer.

2. An automatic cleaning and maintenance device for hydrogen pipelines according to claim 1, characterized in that, The cleaning mechanism (7) includes an adsorption cylinder (71), the adsorption cylinder (71) is sleeved on the outer peripheral wall of the axle rod (1), the outer peripheral wall of the adsorption cylinder (71) is provided with a suction structure (72), and the inside of the adsorption cylinder (71) is provided with a dust collector (73).

3. An automatic cleaning and maintenance device for hydrogen pipelines according to claim 2, characterized in that, The outer peripheral wall of the adsorption cylinder (71) is provided with a sleeve ring (74), and the cylinder wall of the adsorption cylinder (71) is provided with a plurality of communication grooves (75) at positions corresponding to the sleeve ring (74).

4. The automatic cleaning and maintenance device for hydrogen pipelines according to claim 3, characterized in that, The suction structure (72) includes two outer expansion plates (721), the two outer expansion plates (721) are fixedly installed at the both ends of the adsorption cylinder (71), and the opposite sides of the two outer expansion plates (721) are rotatably connected with a connecting ring (722), the inside of the connecting ring (722) is provided with a communication pipe (723), the outer peripheral wall of the connecting ring (722) is provided with a brush plate structure at a position corresponding to the communication pipe (723), and the communication pipe (723) is fixedly connected with the sleeve ring (74).

5. An automatic cleaning and maintenance device for hydrogen pipelines according to claim 4, characterized in that, The brush plate structure includes a friction brush plate (724), the end wall of the friction brush plate (724) is provided with cleaning bristles (725), the inside of the friction brush plate (724) is provided with a plurality of suction holes (726), and the suction holes (726) and the communication pipe (723) are communicated with each other.

6. An automatic cleaning and maintenance device for hydrogen pipelines according to claim 5, characterized in that, The inside of one of the outer expansion plates (721) is fixedly provided with a driving motor (8), the end of the driving motor (8) is provided with a driving gear (9), the inside of the connecting ring (722) is provided with an internal gear ring (10) at a position corresponding to the driving gear (9), and the internal gear ring (10) is engaged with the driving gear (9).

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