Crawling device for tap water pipeline

Abstract

The utility model belongs to the technical field of pipeline detection equipment, and particularly relates to a crawling device for a tap water pipeline. Comprising a motor bin body, and a driving motor is arranged in the motor bin body; the front-end driven chain wheel assembly is mounted at the front end of the motor bin body; the rear-end driven wheel assembly is mounted at the rear end of the motor bin body; the toothed chain is connected to the front-end driven wheel assembly and the rear-end driven wheel assembly; the gear set support assembly is driven by the driving motor, and the gear set support assembly drives the toothed chain; and the sealed camera assembly is installed at the front end of the motor bin body and used for observing the road condition in the water pipe in the advancing process of the crawling section. The whole device is in a sealed state, and tap water in the tap water pipeline cannot erode the crawling device.

Description

Technical Field

[0001] This utility model belongs to the technical field of pipeline inspection equipment, specifically a crawling device for tap water pipelines. Background Technology

[0002] Water supply pipelines are a crucial component of urban water supply systems, typically constructed from materials such as iron, steel, cement, and fiberglass. However, buried underground for extended periods, these pipelines can gradually deteriorate due to aging, corrosion, wear, and expansion if not properly maintained. When a pipeline fails, the surrounding soil loosens, reducing the contact area between the pipeline and the soil, thus decreasing soil pressure and potentially leading to ruptures and leaks. If leaks are not detected and repaired promptly, precious water resources are wasted, and damage can occur to nearby roads, buildings, and facilities. In severe cases, it can cause water pollution, significant economic losses, and adverse social impacts. Therefore, conducting leak detection for water supply pipelines to ensure their safe, stable, and healthy operation is of practical and far-reaching significance.

[0003] Early leak detection equipment mainly included sound leak rods, sound leak discs, electronic sound leak meters, and other related instruments. However, these detection methods also had certain limitations. For example, the traditional handheld listening rod technique—detecting the sound of leaks at exposed points on the pipe—was affected by background noise, pipe pressure, and the experience of the leak detector. In deep burial pipes, leaks could not be detected. Electronic amplified audiometers (pipe leak detectors) compared sound intensity along suspected leaking pipes using specific steps, but they were difficult to apply effectively in noisy or busy urban environments and were also affected by soil properties. Correlation analysis—using the delay of leaking sound to determine the location of the leak point—was relatively accurate, but often ineffective for non-metallic pipes. Furthermore, errors in pipe network topology, the presence of branch pipes, and sound velocity calculations could all lead to location errors. Tracer gas detection—finding leaks by detecting changes in the concentration of tracer gas along the pipe—was highly sensitive, but had stringent conditions; the direction of water flow was essential, and the presence of branch pipes could cause gas leaks, resulting in detection failure. Ground-based radar leak detection utilizes electromagnetic principles to detect underground pipelines. It locates leaks by emitting electromagnetic waves and performing reverse sampling. This method is suitable for large-diameter or non-metallic pipelines. However, it suffers from difficulties in accurately determining the initial leak point, challenging image analysis, and slow data processing. Instantaneous flow rate detection locates leaks by identifying pipeline pressure signals. It artificially generates instantaneous flow rate changes, but comparing the calculated instantaneous pressure changes with actual pressure changes under different leak location and area conditions introduces noise interference, leading to errors in the inverse problem analysis and low model reliability.

[0004] Therefore, a crawling device needs to be designed to move through the water supply pipe, so as to synchronously drive the detection device to move together in the water supply pipe. Utility Model Content

[0005] This invention provides a crawling device for water supply pipelines to drive a detection device to detect leaks in water supply pipelines and ensure the safe, stable and healthy operation of water supply pipelines.

[0006] This utility model adopts the following technical solution: a crawling device for tap water pipes, comprising:

[0007] A motor housing, wherein a drive motor is installed within the motor housing;

[0008] A front-end driven wheel assembly, wherein the front-end driven wheel assembly is mounted at the front end of the motor housing;

[0009] A rear-end driven wheel assembly, wherein the rear-end driven wheel assembly is mounted at the rear end of the motor housing;

[0010] A toothed chain, the toothed chain being connected to a front driven wheel assembly and a rear driven wheel assembly;

[0011] A gear set support assembly, wherein the gear set support assembly is driven by a drive motor and drives a toothed chain;

[0012] A sealed camera assembly is installed at the front end of the motor housing and is used to observe the road conditions in the water pipe during the crawling section's forward movement.

[0013] In some embodiments, the gear set support assembly includes:

[0014] Two gear supports are symmetrically fixed outside the motor housing, and a baffle is installed between the two gear supports.

[0015] Two shafts are mounted between two gear supports via flange bearings.

[0016] One of the shafts is equipped with a bevel gear and a gear, and the bevel gear meshes with bevel gear II on the output shaft of the drive motor;

[0017] Another shaft is equipped with a spur gear and a sprocket. The spur gear meshes with the gear, and the sprocket drives the toothed chain to rotate.

[0018] In some embodiments, the toothed chain includes a plurality of chain units connected together, the chain unit comprising:

[0019] Two linkers;

[0020] Two external toothed plates are respectively installed on the left and right sides of the two connecting sections and connected by pins;

[0021] The locking teeth are disposed on the outer toothed plate.

[0022] In some embodiments, a dynamic sealing assembly is provided on the output shaft of the drive motor for sealing.

[0023] In some embodiments, the dynamic sealing assembly includes:

[0024] A bearing cover is placed on the drive motor, and a sealing ring I is provided on the bearing cover;

[0025] A clamping cover, wherein the clamping cover is disposed on the bearing cover;

[0026] The output shaft of the drive motor passes through the bearing cover and connects to the conversion shaft I. The conversion shaft I is mounted on the bearing and passes through the clamping cover to connect to the bevel gear II.

[0027] A plug seal is installed between the conversion shaft I and the pressure cover, and the plug seal is pressed by the plug seal block.

[0028] In some embodiments, the sealed camera assembly includes:

[0029] Camera;

[0030] A camera mounting component, wherein the camera mounting component is fitted onto the front end of the camera, and a sealing ring IV is fitted onto the outer side of the camera mounting component;

[0031] A sealing ring clamping cover is provided, on which a glass plate I is installed. The sealing ring clamping cover is installed at the front end of the camera fixture, and sealing rings II and III are fitted between the sealing ring clamping cover and the camera fixture.

[0032] In some embodiments, an LED light assembly is provided between the motor housing and the sealed camera assembly.

[0033] In some embodiments, the LED lamp assembly includes a front-end housing.

[0034] The front housing has a camera mounting hole in the middle for mounting a sealed camera assembly;

[0035] An LED light is installed on the front housing, and the outside of the LED light is sealed by an LED light clamping cover pressing a glass sheet II.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] This invention relates to a device that can crawl through water pipes. It features a toothed chain that allows it to move through slippery pipes. A sealed camera assembly is also included to observe the pipe's condition during the crawling process and to check for corrosion on the inner wall, facilitating directional navigation for the operator. The entire device is sealed, preventing water from the pipe from corroding the crawling mechanism. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the structure of this utility model;

[0039] Figure 2 This is a schematic diagram of the gear set support assembly structure;

[0040] Figure 3 This is a schematic diagram of a toothed chain structure;

[0041] Figure 4 This is a schematic diagram of the dynamic sealing assembly structure;

[0042] Figure 5 This is a schematic diagram of the sealed camera assembly structure;

[0043] Figure 6 This is a schematic diagram of the LED lamp assembly structure;

[0044] In the diagram: 1.1 - Motor housing; 1.2 - Front driven wheel assembly; 1.3 - Rear driven wheel assembly; 1.4 - Toothed chain; 1.5 - Gear set bracket assembly; 1.6 - Dynamic seal assembly; 1.7 - Sealed camera assembly; 1.8 - LED light assembly; 1.41 - External gear; 1.42 - Linkage joint; 1.43 - Pin; 1.44 - Gear clip; 1.51 - Side bearing; 1.52 - Gear bracket; 1.53 - Bevel gear; 1.54 - Baffle; 1.55 - Spur gear; 1.56 - Sprocket; 1.57 - Shaft; 1.58 - Gear; 1.61 - Clamping element. 1.62-Pan-seal, 1.63-Pan-seal stop, 1.64-Sealing ring I, 1.65-Drive motor, 1.66-Bearing, 1.67-Converter shaft I, 1.68-Bevel gear II, 1.69-Bearing cover, 1.71-Sealing ring clamping cover, 1.72-Sealing ring II, 1.73-Sealing ring III, 1.74-Camera mounting hardware, 1.75-Sealing ring IV, 1.76-Camera, 1.77-Glass plate I, 1.81-Front end housing, 1.82-LED light clamping cover, 1.83-Glass plate II, 1.84-LED light. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0046] like Figure 1 As shown, a crawling device for water pipes includes:

[0047] Motor housing 1.1, wherein a drive motor 1.65 is installed inside the motor housing 1.1;

[0048] A front driven wheel assembly 1.2 is mounted on the front end of the motor housing 1.1;

[0049] A rear-end driven wheel assembly 1.3 is mounted at the rear end of the motor housing 1.1;

[0050] A toothed chain 1.4, which is connected to the front driven wheel assembly 1.2 and the rear driven wheel assembly 1.3;

[0051] Gear set support assembly 1.5, which is driven by drive motor 1.65, drives toothed chain 1.4;

[0052] A sealed camera assembly 1.7 is installed at the front end of the motor housing 1.1 and is used to observe the road conditions in the water pipe during the crawling section's forward movement.

[0053] like Figure 2 As shown, the gear set support assembly 1.5 includes:

[0054] Two gear supports 1.52 are symmetrically fixed outside the motor housing 1.1, and a baffle 1.54 is installed between the two gear supports 1.52;

[0055] Two shafts 1.57 are mounted between two gear supports 1.52 via a flange bearing 1.51;

[0056] One of the shafts 1.57 is equipped with bevel gear 1.53 and gear 1.58, with bevel gear 1.53 meshing with bevel gear II 1.68 on the output shaft of drive motor 1.65;

[0057] Another shaft 1.57 is equipped with a spur gear 1.55 and a sprocket 1.56. The spur gear 1.55 meshes with the gear 1.58, and the sprocket 1.56 drives the toothed chain 1.4 to rotate.

[0058] like Figure 3 As shown, the toothed chain 1.4 includes multiple chain units connected together, each chain unit comprising:

[0059] Two link sections 1.42;

[0060] Two external toothed plates 1.41 are respectively installed on the left and right sides of two connecting sections 1.42 and connected by pins 1.43;

[0061] The locking tooth 1.44 is disposed on the outer tooth plate 1.41.

[0062] The toothed chain 1.4 is used for the crawling section to crawl in a specified direction. The toothed chain enhances the crawling section's gripping ability in the water pipe.

[0063] A dynamic seal assembly 1.6 is provided on the output shaft of the drive motor 1.65 for sealing.

[0064] like Figure 4 As shown, the dynamic sealing assembly 1.6 includes:

[0065] A bearing cover 1.69 is provided on the drive motor 1.65, and a sealing ring I1.64 is provided on the bearing cover 1.69;

[0066] A clamping cover 1.61 is disposed on the bearing cover 1.69;

[0067] The output shaft of the drive motor 1.65 passes through the bearing cover 1.69 and connects to the conversion shaft I1.67. The conversion shaft I1.67 is mounted on the bearing 1.66 and passes through the clamping cover 1.61 to connect with the bevel gear II1.68.

[0068] A plug seal 1.62 is provided between the conversion shaft I1.67 and the clamping cover 1.61, and the plug seal 1.62 is clamped by the plug seal block 1.63.

[0069] The dynamic sealing assembly 1.6 is used to fix the drive motor, prevent water from entering the instrument during the drive motor operation, and drive the gear set to rotate.

[0070] like Figure 5 As shown, the sealed camera assembly 1.7 includes:

[0071] Camera 1.76;

[0072] Camera mounting bracket 1.74 is fitted onto the front end of camera 1.76, and a sealing ring IV1.75 is fitted onto the outside of camera mounting bracket 1.74;

[0073] A sealing ring clamping cover 1.71 is provided, on which a glass sheet I 1.77 is mounted. The sealing ring clamping cover 1.71 is installed at the front end of the camera fixing component 1.74. A sealing ring II 1.72 and a sealing ring III 1.73 are fitted between the sealing ring clamping cover 1.71 and the camera fixing component 1.74.

[0074] The sealed camera assembly 1.7 is used to observe the road conditions in the water pipe during the crawling process and to check the corrosion of the inner wall of the water pipe.

[0075] like Figure 6 As shown, an LED light assembly 1.8 is provided between the motor housing 1.1 and the sealed camera assembly 1.7.

[0076] The LED lamp assembly 1.8 includes a front housing 1.81.

[0077] The front housing 1.81 has a camera mounting hole in the middle for mounting the sealed camera assembly 1.7;

[0078] An LED light 1.84 is installed on the front housing 1.81, and the outside of the LED light 1.84 is sealed by pressing the glass sheet II 1.83 with the LED light clamping cover 1.82.

[0079] This invention fully considers the movement of the instrument in the water pipe, solves the problem of driving the instrument in water, and the crawling section is driven by dual motors, which solves the problem of turning the instrument in the water pipe. This crawling section design ensures that the testing instrument moves to the designated position in the water pipe, improving testing efficiency.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A crawling device for tap water pipes, characterized in that, include: Motor housing (1.1), wherein a drive motor (1.65) is installed inside the motor housing (1.1). A front driven wheel assembly (1.2) is mounted on the front end of the motor housing (1.1); A rear-end driven wheel assembly (1.3) is mounted at the rear end of the motor housing (1.1); A toothed chain (1.4) is connected to a front driven wheel assembly (1.2) and a rear driven wheel assembly (1.3). Gear set support assembly (1.5), which is driven by a drive motor (1.65) and drives a toothed chain (1.4). A sealed camera assembly (1.7) is installed at the front end of the motor housing (1.1) and is used to observe the road conditions in the water pipe during the crawling section's forward movement; The gear set support assembly (1.5) includes: Two gear supports (1.52) are symmetrically fixed outside the motor housing (1.1), and a baffle (1.54) is installed between the two gear supports (1.52). Two shafts (1.57) are mounted between two gear supports (1.52) via a flange bearing (1.51); One of the shafts (1.57) is equipped with a bevel gear (1.53) and a gear (1.58), the bevel gear (1.53) meshing with bevel gear II (1.68) on the output shaft of the drive motor (1.65); Another shaft (1.57) is equipped with a spur gear (1.55) and a sprocket (1.56). The spur gear (1.55) meshes with the gear (1.58), and the sprocket (1.56) drives the toothed chain (1.4) to rotate. The toothed chain (1.4) comprises a plurality of chain units connected together, the chain unit comprising: Two linker sections (1.42); Two external toothed plates (1.41) are respectively installed on the left and right sides of the two connecting sections (1.42) and connected by pins (1.43); A locking tooth (1.44) is disposed on an outer toothed plate (1.41); The sealed camera assembly (1.7) includes: Camera (1.76); A camera mounting bracket (1.74) is fitted onto the front end of the camera (1.76), and a sealing ring IV (1.75) is fitted onto the outside of the camera mounting bracket (1.74). A sealing ring clamping cover (1.71) is provided, on which a glass plate I (1.77) is installed. The sealing ring clamping cover (1.71) is installed at the front end of the camera fixture (1.74). A sealing ring II (1.72) and a sealing ring III (1.73) are fitted between the sealing ring clamping cover (1.71) and the camera fixture (1.74).

2. The crawling device for water pipes according to claim 1, characterized in that, A dynamic sealing assembly (1.6) is provided on the output shaft of the drive motor (1.65) for sealing.

3. The crawling device for water pipes according to claim 2, characterized in that, The dynamic sealing assembly (1.6) includes: A bearing cover (1.69) is provided on the drive motor (1.65), and a sealing ring I (1.64) is provided on the bearing cover (1.69). A clamping cap (1.61) is disposed on a bearing cap (1.69); The output shaft of the drive motor (1.65) passes through the bearing cover (1.69) and connects to the conversion shaft I (1.67). The conversion shaft I (1.67) is mounted on the bearing (1.66). The conversion shaft I (1.67) passes through the clamping cover (1.61) and connects to the bevel gear II (1.68). A plug seal (1.62) is provided between the conversion shaft I (1.67) and the clamping cover (1.61), and the plug seal (1.62) is clamped by the plug seal stop (1.63).

4. The crawling device for water pipes according to claim 1, characterized in that, An LED light assembly (1.8) is provided between the motor housing (1.1) and the sealed camera assembly (1.7).

5. The crawling device for water pipes according to claim 4, characterized in that, The LED lamp assembly (1.8) includes a front housing (1.81). The front housing (1.81) has a camera mounting hole in the middle for mounting a sealed camera assembly (1.7). An LED light (1.84) is installed on the front housing (1.81). The outside of the LED light (1.84) is sealed by pressing the glass sheet II (1.83) with the LED light pressing cover (1.82).

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