阅读说明：本技术 一种精确定位泄漏点的煤气柜巡检装置 (Gas chamber inspection device capable of accurately positioning leakage point ) 是由 芦连东 王茂杰 赵京芳 张承运 王佳伟 于 2019-12-03 设计创作，主要内容包括：本发明涉及煤气柜设备技术领域,特别涉及一种精确定位泄漏点的煤气柜巡检装置,包括煤气柜、支架和巡检导轨,其特征在于：所述支架设置在煤气柜的外围,包括内层支架和外层支架；所述内层支架和外层支架为内外两层的圆柱笼形支架结构；所述巡检导轨包括内层巡检导轨和外层巡检导轨；所述内层巡检导轨固定在内层支架上,所述外层巡检导轨固定在外层支架上；所述巡检导轨上活动连接有巡检小车。本发明的有益效果是：本发明可以完全覆盖整个煤气柜的外部,当出现泄露时,所有的4个巡检车全部出动,行进到每个巡检车能检测到煤气浓度最高的位置,4个巡检车的对角连线便是泄漏点的精确位置,避免了工作人员的大范围排查,大大加快了检修效率。(The invention relates to the technical field of gas chamber equipment, in particular to a gas chamber inspection device capable of accurately positioning a leakage point, which comprises a gas chamber, a bracket and an inspection guide rail, and is characterized in that: the bracket is arranged at the periphery of the gas tank and comprises an inner layer bracket and an outer layer bracket; the inner layer bracket and the outer layer bracket are of cylindrical cage-shaped bracket structures with an inner layer and an outer layer; the inspection guide rail comprises an inner layer inspection guide rail and an outer layer inspection guide rail; the inner layer routing inspection guide rail is fixed on the inner layer bracket, and the outer layer routing inspection guide rail is fixed on the outer layer bracket; and the inspection guide rail is movably connected with an inspection trolley. The invention has the beneficial effects that: the invention can completely cover the outside of the whole gas chamber, when leakage occurs, all 4 inspection vehicles move out and move to the position where each inspection vehicle can detect the highest gas concentration, and the diagonal connecting lines of the 4 inspection vehicles are the accurate positions of leakage points, thereby avoiding the large-scale investigation of workers and greatly accelerating the overhaul efficiency.)

1. The utility model provides a gas chamber inspection device of accurate positioning leakage point, includes gas chamber (1), support (2) and patrols and examines guide rail (3), its characterized in that:

the bracket (2) is arranged at the periphery of the gas tank (1) and comprises an inner layer bracket (201) and an outer layer bracket (202); the inner layer bracket (201) and the outer layer bracket (202) are of cylindrical cage-shaped bracket structures with an inner layer and an outer layer;

the inspection guide rail (3) comprises an inner layer inspection guide rail (301) and an outer layer inspection guide rail (302); the inner-layer inspection guide rail (301) is fixed on the inner-layer support (201), and the outer-layer inspection guide rail (302) is fixed on the outer-layer support (202); and the inspection guide rail (3) is movably connected with an inspection trolley (4).

2. The gas tank inspection device capable of accurately positioning the leakage point according to claim 1, wherein: the top of the outer layer support (202) is fixedly provided with a plurality of rolling screen winding and unwinding devices (203) around a circle, and rolling screen winding and unwinding ports of the rolling screen winding and unwinding devices (203) are aligned with the outer ring of the outer layer support (202).

3. The gas tank inspection device capable of accurately positioning the leakage point according to claim 1, wherein: the inner layer inspection guide rail (301) is an I-shaped guide rail, the inner layer inspection guide rail (301) is transversely folded in a reciprocating snake shape and is fixed on the inner layer support (201) in a coiling manner.

4. The gas tank inspection device capable of accurately positioning the leakage point according to claim 1, wherein: the outer layer routing inspection guide rail (302) is an I-shaped guide rail, and the outer layer routing inspection guide rail (302) is longitudinally folded in a reciprocating snake shape and is fixed on the outer layer support (202) in a coiling manner.

5. The gas tank inspection device capable of accurately positioning the leakage point according to claim 3 or 4, wherein: and a rack (3011) is arranged on the invagination plane of the I-shaped guide rail.

6. The gas tank inspection device capable of accurately positioning the leakage point according to claim 1, wherein: patrol and examine dolly (4) and be equipped with four, two liang of installations are patrolled and examined guide rail (301) and outer guide rail (302) of patrolling and examining at the inlayer, patrol and examine and install solar cell (401), gas concentration sensor (402), wireless module (403), driving motor (404) and warning light (405) on the automobile body of dolly (4), driving motor (404) drive is connected with two wheels (406), the wheel rim surface of wheel (406) is equipped with the dogtooth, meshes rack (3011) of I shape guide rail.

7. The gas tank inspection device capable of accurately positioning the leakage point according to claim 6, wherein: the wireless module (403) is in wireless communication connection with a PLC controller, and the PLC controller is further connected with a roller shutter winding and unwinding device (203).

Technical Field

The invention relates to the technical field of gas chamber equipment, in particular to a gas chamber inspection device capable of accurately positioning a leakage point.

Background

The gas tank is a very large gas storage tank, which is welded by steel materials and is widely used for storing chemical gas and urban gas, and the corrosion leakage problems of a gas tank tower wall plate, a tower top cover plate, a welding line and the like are common, but the corrosion mechanism is relatively complex, and the gas-phase corrosion or the liquid-phase corrosion is completely chemical corrosion and electrochemical corrosion. The gas holder in normal use is corroded and leaked, and in most cases, has two reasons. Firstly, corrosion leakage is caused by local structural change of a welding seam due to welding thermal stress; and the chemical corrosion leakage caused by the falling of a local coating due to the quality of the anticorrosive paint or construction problems.

Because the volume of gas chamber is huge, be difficult to leak the monitoring to gas chamber wholly, often appear to reach up to the more than ten leakage points after just can be found by the people, just at this time can the omnidirectional inspection leakage point repair, but in view of the huge volume of gas chamber, repair efficiency is very low.

Therefore, a device for monitoring leakage at any time and rapidly and accurately positioning the leakage point needs to be designed to solve the above problems.

Disclosure of Invention

The invention provides a gas tank inspection device capable of accurately positioning a leakage point, aiming at overcoming the defect that the leakage monitoring of a gas tank is not in place in the prior art.

The invention is realized by the following technical scheme:

the utility model provides a gas chamber inspection device of accurate positioning leakage point, includes gas chamber, support and patrols and examines the guide rail, its characterized in that:

the bracket is arranged at the periphery of the gas tank and comprises an inner layer bracket and an outer layer bracket; the inner layer bracket and the outer layer bracket are of cylindrical cage-shaped bracket structures with an inner layer and an outer layer;

the inspection guide rail comprises an inner layer inspection guide rail and an outer layer inspection guide rail; the inner layer routing inspection guide rail is fixed on the inner layer bracket, and the outer layer routing inspection guide rail is fixed on the outer layer bracket; and the inspection guide rail is movably connected with an inspection trolley.

Further, in order to better realize the invention, a plurality of rolling screen winding and unwinding devices are fixedly arranged around a circle on the top of the outer layer support, and rolling screen winding and unwinding ports of the rolling screen winding and unwinding devices are aligned with the outer ring of the outer layer support.

Furthermore, in order to better realize the invention, the inner layer routing inspection guide rail is an I-shaped guide rail, and the inner layer routing inspection guide rail is transversely and reciprocally folded in a snake shape and is fixedly coiled on the inner layer support.

Further, in order to better realize the invention, the outer layer routing inspection guide rail is an I-shaped guide rail, and the outer layer routing inspection guide rail is longitudinally and reciprocally folded in a snake shape and is fixedly coiled on the outer layer support.

Further, in order to better realize the invention, a rack is arranged on the invagination plane of the I-shaped guide rail.

Furthermore, in order to better realize the invention, the inspection trolley is provided with four inspection trolleys, the inspection trolleys are installed on the inner layer inspection guide rail and the outer layer inspection guide rail in pairs, a solar battery, a gas concentration sensor, a wireless module, a driving motor and a warning lamp are installed on the trolley body of the inspection trolley, the driving motor is connected with two wheels in a driving mode, and convex teeth are arranged on the surfaces of wheel rims of the wheels and meshed with racks of the I-shaped guide rails.

Further, in order to better realize the invention, the wireless module is in wireless communication connection with a PLC controller, and the PLC controller is also connected with a roller shutter winding and unwinding device.

The invention has the beneficial effects that:

the inspection device can completely cover the outside of the whole gas chamber, only one inspection vehicle is required to reciprocate to inspect in the normal inspection process, the other three inspection vehicles are charged with solar energy, when leakage occurs, all 4 inspection vehicles move out and travel to the position where each inspection vehicle can detect the highest gas concentration, the diagonal connecting lines of the 4 inspection vehicles are the accurate positions of leakage points, the large-scale inspection by workers is avoided, and the overhauling efficiency is greatly accelerated.

Drawings

FIG. 1 is a schematic perspective view of a gas holder inspection device for accurately locating a leakage point according to the present invention;

FIG. 2 is a schematic perspective view of a bracket of the inspection device for a gas holder for accurately locating a leakage point according to the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a routing inspection guide rail of the gas holder routing inspection device for accurately positioning leakage points according to the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the outer inspection guide rail of the inspection device for a gas holder for accurately positioning the leakage point according to the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the inner inspection guide rail of the inspection device for a gas holder for accurately positioning the leakage point according to the present invention;

FIG. 6 is a schematic view of the expanded plane of the inspection guide rail of the inspection device for a gas holder for accurately positioning a leakage point according to the present invention;

FIG. 7 is a schematic view of a three-dimensional structure of an inspection trolley of the inspection device for a gas holder, which accurately positions a leakage point according to the present invention;

FIG. 8 is a schematic perspective view of a second embodiment of the inspection device for a gas holder for accurately locating a leakage point according to the present invention;

fig. 9 is a schematic front view structural diagram of a second embodiment of the gas holder inspection device for accurately positioning a leakage point according to the present invention.

In the figure, the position of the upper end of the main shaft,

1. a gas tank is arranged in the gas tank,

2. a bracket 201, an inner layer bracket 202, an outer layer bracket 203, a rolling screen retracting device,

3. an inspection guide rail 301, an inner layer inspection guide rail 302, an outer layer inspection guide rail 303, a spiral inspection guide rail 3011 and a rack,

4. an inspection trolley 401, a solar battery 402, a gas concentration sensor 403, a wireless module 404, a driving motor 405, a warning light 406, wheels,

a. the system comprises a first inspection trolley, a second inspection trolley, a c third inspection trolley, a d fourth inspection trolley.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be noted that the terms "disposed," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Fig. 1-7 show a first embodiment of the invention, which is a gas tank inspection device for accurately positioning leakage points, and the gas tank inspection device consists of a bracket 2 and an inspection guide rail 3.

As shown in fig. 2, the support 2 is arranged at the periphery of the gas holder 1, and includes an inner support 201 and an outer support 202, the inner support 201 and the outer support 202 are cylindrical cage-shaped support structures, the top of the outer support 202 is fixedly provided with a plurality of rolling curtain winding and unwinding devices 203 around a circle, the rolling curtain winding and unwinding ports of the rolling curtain winding and unwinding devices 203 are aligned with the outer ring of the outer support 202, and in the stage of accurately positioning the leakage point, the rolling curtains are all put down to keep out the wind, so that the detection accuracy of the gas concentration is improved.

As shown in fig. 3, the routing inspection guide rail 3 comprises an inner routing inspection guide rail 301 and an outer routing inspection guide rail 302, the inner routing inspection guide rail 301 is fixed on the inner support 201, the outer routing inspection guide rail 302 is fixed on the outer support 202, and the inner and outer guide rails form a graticule which completely covers the periphery of the gas tank 1; the inspection guide rail 3 is movably connected with an inspection trolley 4.

Fig. 4 shows an outer inspection rail 302, which is an i-shaped rail, and is folded and coiled in a serpentine shape in a longitudinal direction to form a circle, and the inspection trolley 4 is fixed on the outer bracket 202, and moves in a longitudinal direction to and fro around the gas tank 1.

Fig. 5 shows the inner-layer routing inspection guide rail 301 which is also an i-shaped guide rail, but the serpentine folding direction of the inner-layer routing inspection guide rail is transverse, the inner-layer routing inspection guide rail is also coiled into a circle and fixed on the inner-layer support 201, and the routing inspection trolley 4 on the inner-layer routing inspection guide rail moves in a reciprocating mode and detects the periphery of the gas holder 1 up and down.

Fig. 6 is an expanded view of the routing inspection guide rail of the inner layer and the outer layer, and is also a schematic diagram of accurate positioning, wherein four routing inspection trolleys stop at positions where the routing inspection trolleys can detect the highest concentration of gas, the intersection points of diagonal connecting lines of the four routing inspection trolleys are accurate gas leakage points, and if two routing inspection trolleys on the same guide rail are squeezed together, any position on the connecting line of the trolleys on the two guide rails is likely to be a leakage point, and manual detection needs to be carried out on the outer wall of the gas cabinet 1 on the connecting line.

As shown in fig. 7, the inspection trolley 4 of the embodiment is in gear-rack meshing transmission connection with the guide rail, the gear is used as a wheel 406 of the inspection trolley 4 and is driven by a driving motor 404 arranged in the inspection trolley, the power source of the trolley is a solar cell 401, a gas concentration sensor 402 and a wireless module 403 are arranged on the trolley, a warning light 405 is arranged to facilitate a worker to find and position the inspection trolley 4, all elements in the trolley are connected with a PLC controller through the wireless module, and the PLC controller can control the forward and reverse rotation of the driving motor 404 according to the gas concentration value detected by the gas concentration sensor 402.

Fig. 8 and 9 show a second embodiment of the present invention, in which the inspection rail is an i-shaped rail spirally wound around the gas holder 1, which simplifies the number of rails and reduces the cost, but reduces the positioning accuracy, compared to the above embodiment 1.