Leakage point positioning device for urban gas buried pipeline

By introducing stirring and drying functions into the gas leak point locating device, the problems of pigment sedimentation and low locating efficiency are solved, achieving efficient leak point location and marking.

CN223609928UActive Publication Date: 2025-11-28SHAANXI CITY GAS IND DEV
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Patent Information

Application Number
CN202520308090.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-11-28
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing urban gas buried pipeline leak location devices are prone to pigment sedimentation during the location process and lack drying function, affecting location efficiency and practicality.

Method used

A device comprising a pigment tank, a stirring device, and a drying assembly was designed. The pigment is mixed by a motor-driven spiral blade and a stirring rod, and the pigment is prevented from settling and dried quickly by a hot air blower and a filter screen.

Benefits of technology

It effectively prevents pigment sedimentation, improves the stirring effect and positioning efficiency during the positioning process, and meets the requirements for rapid positioning and marking.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an urban gas buried pipeline leakage point positioning device which comprises a vehicle body, a paint box is arranged on the upper surface of the vehicle body, an output pipe is arranged at the bottom of the paint box, a detector is arranged on one side of the lower surface of the vehicle body, a stirring device is arranged in the paint box, and a stirring assembly comprises a motor. A rotating shaft is arranged at the output end of the motor, a spiral blade is arranged at the bottom end of the rotating shaft, and the bottom of the spiral blade is close to the bottom of the rotating shaft. Firstly, a motor is started to drive a spiral blade to rotate, so that pigment deposited on the lower portion in a pigment box continuously surges upwards, and meanwhile, the outer edge of a driving gear is meshed with the outer edge of a driven gear, so that a rotating rod and a stirring rod can be driven to synchronously rotate at the same time; furthermore, the pigment gushing to the upper part in the pigment box is fully mixed and stirred, so that the stirring effect of the device is improved, the device has a stirring function, and the problem of pigment precipitation is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gas leakage detection technical field, concretely for a kind of for town gas buried pipeline leakage point positioning device. BACKGROUND

[0002] At present, as one of the important facilities indispensable to city, gas pipeline has made great contribution to people's living standards, but due to aging of gas pipeline equipment, geography and climate and human damage and other reasons, gas pipeline leakage often occurs, and town gas pipeline is usually buried, so when gas leakage occurs, detection personnel need to use detection tools to detect the leakage point.

[0003] The existing patent number CN219198903U discloses a device for positioning the leakage point of town gas buried pipeline, which comprises a support table and a gas leakage detector main body arranged on the lower side of the support table.

[0004] The existing technology has the following problems:

[0005] 1. The existing device for positioning the leakage point of town gas buried pipeline uses liquid paint to mark the leakage point detected by positioning, but since the device does not have a stirring function, the paint inside the device is prone to sedimentation during positioning, which hinders the normal operation of the leakage point positioning work and reduces the practicability of the device, making it inconvenient to popularize.

[0006] 2. The existing device for positioning the leakage point of town gas buried pipeline does not have a drying function, which requires a long waiting time after marking the liquid paint around the leakage point to make the liquid paint solidify and form, reducing the positioning efficiency and failing to meet the use requirements. SUMMARY

[0007] The utility model provides a kind of for town gas buried pipeline leakage point positioning device, its purpose is to solve the technical problem that the paint inside the device is prone to sedimentation during positioning in the prior art.

[0008] The utility model provides a kind of for town gas buried pipeline leakage point positioning device, including vehicle body, the upper surface of vehicle body is provided with pigment tank, the bottom of pigment tank has output pipe, the lower surface one side of vehicle body is provided with detector, stirring device is provided in pigment tank, the stirring assembly includes motor, the output end of motor is provided with rotating shaft, the bottom end of rotating shaft is provided with helical blade, the bottom of helical blade is close to the bottom of rotating shaft.

[0009] Further, the end of the rotating shaft close to the motor is fixedly connected with a main gear, a plurality of bearing seats are arranged in an annular array on the top inner wall of the pigment tank, each bearing seat is fixedly connected with a rotating shaft at the bottom, each rotating shaft is fixedly connected with a slave gear, and each slave gear is engaged with the main gear. The side surface of the rotating rod is also uniformly provided with a plurality of stirring rods in the radial direction, and each rotating rod is arranged above the helical blade.

[0010] Further, a protective frame is arranged above the pigment tank, each slave gear and the main gear are arranged in the protective frame, and each rotating rod penetrates the protective frame.

[0011] Further, the length of the rotating rod and the height of the helical blade are slightly less than the height of the inner wall of the pigment tank; the diameter of the inner wall of the pigment tank is greater than the sum of the lengths of the two stirring rods.

[0012] Further, a drying assembly is arranged on the upper surface of the vehicle body, the drying assembly includes a hot air blower, the hot air blower is arranged on the upper surface of the vehicle body, and the output port of the hot air blower is arranged downward through the vehicle body.

[0013] Further, a filter box is arranged on the support plate, the filter box is arranged at one end away from the detector, the hot air blower is arranged in the filter box, the input end of the hot air blower is arranged upward, and a filter screen is arranged on the top of the filter box.

[0014] Further, a connecting pipe is fixedly connected to the bottom of the output port of the hot air blower, a shunt frame is arranged at the bottom of the connecting pipe, and a plurality of air outlet pipes are uniformly arranged on the shunt frame.

[0015] The utility model has at least the following beneficial effects:

[0016] The utility model provides a kind of for urban gas buried pipeline leakage point positioning device, by being provided with pigment tank, motor, spiral blade, main gear, from gear, rotating rod and stirring rod, in the positioning process, first by starting motor drives spiral blade rotation, so that the pigment located in the inside lower sediment of pigment tank is constantly upsurging, simultaneously by the outer edge of main gear and the outer edge of from gear interlock, so that the starting of motor can simultaneously drive rotating rod and stirring rod to carry out synchronous rotation, and then the pigment upsurging to the inside upper of pigment tank is fully mixed and stirred, improve the stirring effect of device, this design, so that device has the function of stirring, avoid the problem that the pigment in the inside of device appears sediment in the positioning process, improve the practicability of device, it is convenient for promotion.

[0017] The utility model provides a kind of for urban gas buried pipeline leakage point positioning device, by being provided with filter box, filter screen, hot air machine, connecting pipe, shunt frame and air outlet pipe, when pigment flows out from output pipe, the position of the gas leakage detected by detector main part is positioned and marked, can be by starting hot air machine, so that the air in filter box is converted into hot air, and is delivered to shunt frame by connecting pipe, again by the several groups of air outlet pipes set on shunt frame, hot air is evenly sprayed, the pigment around leakage point is heated, to reach the purpose of rapid drying, simultaneously by the filter screen set, prevent that the hot air sprayed has dust and other impurities, influence the forming effect of pigment, this design, so that device has the function of drying, avoid the problem that device needs to wait for long time after liquid pigment is marked around leakage point, improve the positioning efficiency, meet the use requirement. DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of a kind of for urban gas buried pipeline leakage point positioning device described in the utility model;

[0019] Figure 2 It is the inside structure schematic diagram of pigment tank of a kind of for urban gas buried pipeline leakage point positioning device described in the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic diagram of stirring assembly of a kind of for urban gas buried pipeline leakage point positioning device described in the utility model;

[0021] Figure 4 It is the inside structure schematic diagram of filter box of a kind of for urban gas buried pipeline leakage point positioning device described in the utility model.

[0022] In the figure: 1, the vehicle body; 2, support plate; 3, detector main body; 4, paint tank; 5, injection port; 6, output pipe; 7, stirring assembly; 701, motor; 702, rotating shaft; 703, spiral blade; 704, protective frame; 705, main gear; 706, from the gear; 707, rotating rod; 708, stirring rod; 709, bearing seat; 8, drying assembly; 801, filter box; 802, filter screen; 803, hot air blower; 804, connecting pipe; 805, shunt frame; 806, air outlet pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] Referring to Figure 1 The utility model provides a kind of for urban gas buried pipeline leakage point positioning device, including vehicle body 1, the middle side of vehicle body 1 is provided with support plate 2, the bottom of support plate 2 is provided with detector main body 3, the top side of vehicle body 1 is provided with paint tank 4, the top side of paint tank 4 is provided with injection port 5, the bottom end of paint tank 4 side is provided with output pipe 6, the inside of paint tank 4 is provided with stirring assembly 7, the top of vehicle body 1 other side is provided with drying assembly 8;

[0025] Referring to Figure 2 The stirring assembly 7 includes a motor 701, the output end of the motor 701 is provided with a rotating shaft 702, the outer surface of the rotating shaft 702 is provided with a spiral blade 703 below, the outer surface of the rotating shaft 702 is provided with a protective frame 704 above, the protective frame 704 is composed of a lower bottom plate and a ring-shaped side edge, a plurality of holes are provided on the lower bottom plate for the rotating rod 708 to pass through, to prevent paint from splashing into the gear and causing corrosion or adhesion, the main gear 705 and the gear 706 are protected by the protective frame 704, to improve the service life of the main gear 705 and the gear 706, the main gear 705 is provided inside the protective frame 704, the gear 706 is engaged with the outer edge of the main gear 705, the rotating rod 707 is provided inside the gear 706, the stirring rod 708 is uniformly arranged in an annular array on the outer surface of the rotating rod 707, a plurality of stirring rods 708 are provided on the rotating rod 707, the bearing seat 709 is provided at the top end of each rotating rod 707, the outer ring of each bearing seat 709 is fixedly connected to the inner wall top of the paint tank 4, and the inner ring of each bearing seat 709 is fixedly connected to the top of the rotating rod 707.

[0026] In the embodiment, the spiral blade 703 is integrally formed, the rotating shaft 702 is integrally formed, the diameter of the spiral blade 703 is slightly smaller than the inner diameter of the pigment box 4, and the spiral blade 703 is arranged below the stirring rod 708; the length of the rotating rod 707 and the height of the spiral blade 703 are slightly smaller than the height of the inner wall of the pigment box 4; the inner wall diameter of the pigment box 4 is greater than the sum of the lengths of the two stirring rods 708.

[0027] Specifically, the pigment deposited inside the pigment box 4 is constantly upwelling by the rotation of the spiral blade 703, preventing the pigment from depositing;

[0028] In the embodiment, the main gear 705 is fixedly connected and installed on the rotating shaft 702, the outer edge of the main gear 705 is engaged with the outer edge of the driven gear 706, and the driven gear 706 is fixedly connected and installed on the rotating rod 707;

[0029] Specifically, the starting of the motor 701 can simultaneously drive the rotating rod 707 and the stirring rod 708 to rotate synchronously, realizing the transmission of power;

[0030] In the embodiment, the rotating rod 707 is rotatably connected and installed on the bearing seat 709, and the number of the rotating rod 707 is four groups, and the four groups of the rotating rod 707 are arranged in a ring array;

[0031] Specifically, the bearing seat 709 limits and supports the rotating rod 707, improving the stability of the rotating rod 707 during rotation;

[0032] Referring to Figure 4 In the embodiment, the drying assembly 8 comprises a filter box 801, a filter screen 802, a hot air machine 803, a connecting pipe 804, a shunt frame 805, and an air outlet pipe 806; the filter screen 802 is arranged at the top of the filter box 801; the hot air machine 803 is arranged at the bottom of the filter box 801; the output end of the hot air machine 803 is downwardly arranged; the connecting pipe 804 is arranged at the bottom of the output end of the hot air machine 803; the shunt frame 805 is fixedly connected to the bottom of the connecting pipe 804; the connecting pipe 804 and the shunt frame 805 are in through arrangement; and the air outlet pipe 806 is arranged at the bottom of the shunt frame 805.

[0033] Specifically, by starting the hot air blower 803, the air inside the filter box 801 is converted into hot air and delivered to the shunt frame 805 through the connecting pipe 804; the filter screen 802 is fixedly connected to the filter box 801, the size of the filter screen 802 is matched with the size of the filter box 801, and the filter screen 802 is arranged above the air inlet of the hot air blower 803; through the filter screen 802, the dust and other impurities in the sprayed hot air are prevented, and the forming effect of the pigment is affected.

[0034] In the embodiment, the number of the air outlet pipes 806 is several groups, the air outlet pipes 806 are arranged in a rectangular array, and the air outlet pipes 806 are integrally arranged with the shunt frame 805.

[0035] Specifically, through the several groups of air outlet pipes 806 arranged on the shunt frame 805, the hot air can be uniformly sprayed, the pigment around the leakage point is heated, and the purpose of rapid drying is achieved.

[0036] The working principle and use process of the utility model are as follows: in the positioning process, first, the motor 701 in the stirring assembly 7 drives the spiral blade 703 on the rotating shaft 702 to rotate, so that the pigment deposited inside the lower part of the pigment box 4 continuously surges upwards, and at the same time, the main gear 705 on the rotating shaft 702 and the from gear 706 on the rotating rod 707 are meshed with each other, so that the start of the motor 701 can simultaneously drive the rotating rod 707 and the stirring rod 708 to rotate synchronously, thereby fully mixing and stirring the pigment surging to the upper part inside the pigment box 4, improving the stirring effect of the device; when the pigment flows out of the output pipe 6, and the position of the gas leakage detected by the detector main body 3 is marked, the hot air blower 803 in the drying assembly 8 can be started, so that the air inside the filter box 801 is converted into hot air and delivered to the shunt frame 805 through the connecting pipe 804, and then the several groups of air outlet pipes 806 arranged on the shunt frame 805 uniformly spray the hot air, heat the pigment around the leakage point, thereby achieving the purpose of rapid drying, and at the same time, through the filter screen 802, the dust and other impurities in the sprayed hot air are prevented, and the forming effect of the pigment is affected.

Claims

1. A device for positioning leakage points of urban gas buried pipeline, comprising a vehicle body (1), a pigment tank (4) is arranged on the upper surface of the vehicle body (1), an output pipe (6) is arranged at the bottom of the pigment tank (4), and a detector (3) is arranged on one side of the lower surface of the vehicle body (1), characterized in that, The pigment box (4) is provided with a stirring device (7), the stirring assembly (7) comprises a motor (701), the motor (701) is provided with a rotating shaft (702) at the output end, the bottom end of the rotating shaft (702) is provided with a spiral blade (703), and the bottom of the spiral blade (703) is close to the bottom of the rotating shaft (702).

2. A device for locating leaks in buried town gas pipelines according to claim 1, characterized in that The rotating shaft (702) is fixedly connected with a main gear (705) at one end close to the motor (701), a plurality of bearing seats (709) are arranged in an annular array on the inner wall top of the pigment box (4), each bearing seat (709) is fixedly connected with a rotating shaft (707) at the bottom, each rotating shaft (707) is fixedly connected with a slave gear (706), and each slave gear (706) is engaged with the main gear (705). The side surface of the rotating rod (707) is also provided with a plurality of stirring rods (708) in a radial direction, and each rotating rod (707) is arranged above the spiral blade (703).

3. A device for locating leaks in buried town gas pipes according to claim 2, characterized in that The pigment box (4) is provided with a protection frame (704) above, each slave gear (706) and the main gear (705) are arranged in the protection frame (704), and each rotating rod (707) penetrates the protection frame (704).

4. A device for locating leaks in buried town gas pipelines according to claim 2, characterized in that, The length of the rotating rod (707) and the height of the spiral blade (703) are slightly smaller than the height of the inner wall of the pigment box (4); and the diameter of the inner wall of the pigment box (4) is greater than the sum of the lengths of the two stirring rods (708).

5. A device for locating leaks in buried town gas pipelines according to claim 1, characterized in that, The upper surface of the vehicle body (1) is provided with a drying assembly (8), the drying assembly (8) comprises a hot air machine (803), the hot air machine (803) is arranged on the upper surface of the vehicle body (1), and the output port of the hot air machine (803) is arranged downward through the vehicle body (1).

6. A device for locating leaks in buried town gas pipes according to claim 5, characterized in that The support plate 2 is provided with a filter box (801), the filter box (801) is arranged at one end away from the detector (3), the hot air machine (803) is arranged in the filter box (801), the input end of the hot air machine (803) is arranged upward, and the filter box top is provided with a filter screen (802).

7. A device for locating leaks in buried town gas pipelines according to claim 1, characterized in that, The output port of the hot air machine (803) is fixedly connected with a connecting pipe (804), the bottom of the connecting pipe (804) is provided with a shunt frame (805), and the shunt frame (805) is uniformly provided with a plurality of air outlet pipes (806).

Citation Information

Patent Citations

  • Device for positioning leakage point of urban gas buried pipeline

    CN219198903U