Non-excavation annular penetrating device for underground pipeline

The trenchless circumferential device for underground pipelines enables the laying and tensioning of prestressed steel strands without excavation, solving the problems of high construction space and equipment requirements in existing technologies, improving construction efficiency and economy, and is suitable for the reinforcement needs of various underground pipelines and tunnels.

CN224049090UActive Publication Date: 2026-03-27BEIJING HANJIAN WATER CONSERVANCY & HYDROPOWER ENG CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-19
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing water pipeline reinforcement solutions require open-cut construction, which involves large-scale projects, large land areas, high construction costs, long cycles, and serious noise and dust pollution. Furthermore, they are difficult to adapt to the high requirements for construction space and equipment in urban core areas or ecologically sensitive areas, and are not suitable for the reinforcement needs of all underground pipelines and tunnels.

Method used

The underground pipeline trenchless circumferential drilling device includes a tracked vehicle, drilling mechanism, power mechanism, slag removal mechanism, intelligent control system and remote monitoring terminal. The tracked vehicle drives the drill bit to drill along the guide tube, realizing the trenchless laying and tensioning of prestressed steel strands, which can be adapted to the reinforcement needs of different pipelines and tunnels.

Benefits of technology

It enables the laying and tensioning of prestressed steel strands without excavation, improving construction efficiency and economy, reducing environmental pollution, and is highly adaptable and automated. It is suitable for all types of underground pipe tunnels with a diameter of 1m or more.

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Abstract

The utility model discloses an underground pipeline non-excavation ring penetrating device, it includes crawler, drilling mechanism, power mechanism, deslagging mechanism and intelligent control system, drilling mechanism includes drilling support, guide cylinder, hydraulic cylinder, flexible shaft and drill bit, drilling support is detachably provided in front of crawler, guide cylinder is provided in the lower end of drilling support, hydraulic cylinder is provided in the lower end of drilling support, hydraulic cylinder is provided in the lower end of drilling support. The hydraulic cylinder is arranged in the drilling support, the flexible shaft is wound around the guide cylinder and connected with the hydraulic cylinder, and the drill bit is arranged at the head end of the flexible shaft. The power mechanism is arranged on the crawler, is connected with the power mechanism and is used for driving the drill bit to operate; the residue discharging mechanism is arranged on the crawler, and a residue discharging suction pipe of the residue discharging mechanism is arranged on the flexible shaft and used for adsorbing soil residues around the drill bit; the intelligent control system is arranged on the crawler and connected with the drilling mechanism, the power mechanism and the deslagging mechanism. By means of the underground pipeline non-excavation annular penetrating device, the construction efficiency and economical efficiency of underground pipeline reinforcement are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of underground pipeline, specifically relates to a kind of underground pipeline non-excavation ring wearing device. BACKGROUND

[0002] With the acceleration of urbanization and the continuous advancement of infrastructure construction, underground infrastructure such as water pipelines, comprehensive pipe galleries and traffic tunnels are facing multiple safety challenges such as aging, load improvement and geological disturbance.

[0003] Currently, the reinforcement scheme of the existing water pipeline selects to leak out the water pipeline after open excavation, to enhance the compression resistance by winding prestressed steel wire, and finally to cast cement mortar on the outer layer for corrosion prevention. The whole project has large engineering quantity, large land occupation, high risk coefficient of deep foundation pit operation, high construction cost, long cycle, serious noise and dust pollution, low maintenance efficiency and poor maintenance quality control. Especially in the core area of the city or the ecologically sensitive area, the limitation of excavation construction is more prominent.

[0004] Finally, the existing technology has high requirements for construction space and equipment, and is difficult to apply to the reinforcement needs of all underground pipelines and tunnels. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a kind of underground pipeline non-excavation ring wearing device to solve the problem of high requirements for construction space and equipment in the prior art.

[0006] Therefore, an embodiment of the utility model provides a kind of underground pipeline non-excavation ring wearing device.

[0007] The underground pipeline non-excavation ring wearing device according to the embodiment of the utility model comprises a tracked vehicle, a drilling mechanism, a power mechanism, a slag removal mechanism, an intelligent control system and a remote monitoring terminal. The drilling mechanism comprises a drilling support, a guide cylinder, a hydraulic cylinder, a flexible shaft and a drill bit. The drilling support is detachably arranged at the front of the tracked vehicle. The guide cylinder is arranged at the lower end of the drilling support. The hydraulic cylinder is arranged inside the drilling support. The flexible shaft is arranged around the guide cylinder, and the flexible shaft is connected with the hydraulic cylinder. The drill bit is arranged at the leading end of the flexible shaft. The power mechanism is arranged on the tracked vehicle, and the power mechanism is connected with the power mechanism to drive the drill bit to work. The slag removal mechanism is arranged on the tracked vehicle, and the slag removal suction pipe of the slag removal mechanism is arranged on the flexible shaft to adsorb the soil residue around the drill bit. The intelligent control system is arranged on the tracked vehicle, and the intelligent control system is connected with the drilling mechanism, the power mechanism and the slag removal mechanism respectively. The remote monitoring terminal transmits data with the intelligent control system wirelessly.

[0008] In some embodiments, the tracked vehicle comprises a platform, an ear, two tracks and a plurality of connecting plates; the ear is arranged below the platform, and each end of the ear is provided with one of the tracks; a plurality of the connecting plates are arranged staggered in front of the platform; and the drill support is mounted on the plurality of the connecting plates.

[0009] In some embodiments, the drilling mechanism further comprises a plurality of guide rails, each of the guide rails is arranged around the guide cylinder, and the flexible shaft is arranged on the guide rails.

[0010] In some embodiments, the underground pipeline trenchless looping device further comprises a reaming mechanism, the reaming mechanism comprises a support, a hydraulic motor, a chain wheel, a chain and a scraper, the support is arranged on the drill support, the inner side of the support is provided with the hydraulic motor, the hydraulic motor is connected with the hydraulic cylinder, the outer side of the support is provided with the chain wheel, the chain wheel is connected with the hydraulic motor, the chain is connected with the chain wheel, the chain is arranged around the guide cylinder, and the outer side of the chain is provided with the scraper.

[0011] In some embodiments, the reaming mechanism further comprises a chain plate, the outer side of the chain is provided with the chain plate, and the chain plate is used to pull the steel strand into the cavity formed by the drill bit and surround one round.

[0012] In some embodiments, the reaming mechanism further comprises two slave wheels, the two slave wheels are arranged on the outer side of the support, and the chain is connected with the slave wheels.

[0013] In some embodiments, the underground pipeline trenchless looping device further comprises a lifting mechanism, the lifting mechanism comprises a stand, a cross beam, a motor and a winch, the stand is arranged on the tracked vehicle, one end of the cross beam is connected with the top end of the stand, the other end of the cross beam faces the drilling mechanism, the motor and the winch are arranged on the cross beam, the motor is used to drive the winch, and the lifting rope on the winch is connected with the drill support.

[0014] In some embodiments, the lifting parameter of the winch is above 1 ton.

[0015] In some embodiments, the underground pipeline trenchless looping device further comprises a generator, the generator is arranged on the tracked vehicle, and the generator is connected with the intelligent control system and the tracked vehicle.

[0016] In some embodiments, the guide cylinder and the guide rail are both a plurality of, and one guide cylinder and one guide rail form a guide assembly, and each guide assembly has different sizes.

[0017] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure, as claimed. Other features and aspects of the present disclosure will become apparent from a review of the following detailed description, taken in conjunction with the BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 is a schematic view of an underground pipeline trenchless ring penetrating device according to an embodiment of the present application.

[0020] Figure 2 is a schematic view of a tracked vehicle according to an embodiment of the present application.

[0021] Figure 3 is another schematic view of a tracked vehicle according to an embodiment of the present application.

[0022] Figure 4 is a schematic view of a drilling mechanism according to an embodiment of the present application.

[0023] Figure 5 is a schematic view of a reaming mechanism according to an embodiment of the present application.

[0024] Figure 6 is a schematic view of a lifting mechanism according to an embodiment of the present application.

[0025] REFERENCE SIGNS:

[0026] Underground pipeline trenchless ring penetrating device 100, tracked vehicle 10, platform 11, lifting lug 12, track 13, connecting plate 14, drilling mechanism 20, drilling support 21, guide cylinder 22, hydraulic cylinder 23, flexible shaft 24, drill bit 25, guide rail 26, power mechanism 30, slag removal mechanism 40, slag removal suction pipe 41, intelligent control system 50, reaming mechanism 60, support 61, hydraulic motor 62, sprocket 63, chain 64, idler 65, lifting mechanism 70, upright 71, crossbeam 72, motor 73, winch 74, generator 80. DETAILED DESCRIPTION

[0027] The technical scheme of the utility model will be described clearly and completely in combination with specific embodiments below, but those skilled in the art should understand that the embodiments described below are only used to illustrate the utility model and should not be regarded as limiting the scope of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] In the utility model, the underground pipeline trenchless ring penetrating device makes a breakthrough in trenchless prestressed external reinforcement technology, the equipment drives the drill bit through the flexible shaft, drills along the circular guide cylinder, synchronously sweeps the hole along the water flow direction, can complete the prestressed steel strand layout and tensioning without excavation, adapts to all underground pipe hole types (including circular, horseshoe-shaped and special-shaped section) with a diameter of more than 1m. Compared with the traditional process, the utility model significantly improves the construction efficiency and economy of underground pipeline and tunnel reinforcement through technical innovation, and provides strong technical support for the maintenance and upgrading of urban infrastructure.

[0029] As Figures 1-6 Indicated, the underground pipeline trenchless ring penetrating device 100 according to the embodiments of the utility model includes a tracked vehicle 10, a drilling mechanism 20, a power mechanism 30, a slag removal mechanism 40, an intelligent control system 50 and a remote monitoring terminal (not shown).

[0030] The drilling mechanism 20 includes a drilling support 21, a guide cylinder 22, a hydraulic cylinder 23, a flexible shaft 24 and a drill bit 25, the drilling support 21 is detachably arranged at the front of the tracked vehicle 10, the guide cylinder 22 is arranged at the lower end of the drilling support 21, the hydraulic cylinder 23 is arranged inside the drilling support 21, the flexible shaft 24 is arranged around the guide cylinder 22, and the flexible shaft 24 is connected with the hydraulic cylinder 23, and the drill bit 25 is arranged at the first end of the flexible shaft 24.

[0031] The power mechanism 30 is arranged on the tracked vehicle 10, the power mechanism 30 is connected with the power mechanism 30, and is used for driving the drill bit 25 to work. The slag removal mechanism 40 is arranged on the tracked vehicle 10, and the slag removal suction pipe 41 of the slag removal mechanism 40 is arranged on the flexible shaft 24, and is used for adsorbing the soil residue around the drill bit 25.

[0032] The intelligent control system 50 is arranged on the tracked vehicle 10, and the intelligent control system 50 is connected with the drilling mechanism 20, the power mechanism 30 and the slag removal mechanism 40 respectively. The remote monitoring terminal and the intelligent control system 50 perform data transmission through wireless.

[0033] The underground pipeline non-excavation ring penetrating device 100 can realize drilling in the circumferential direction of the water pipeline with a diameter, and can automatically adjust the drilling speed and the drilling head feeding force operation speed according to the drilling resistance, so that the drilling speed is improved and the environmental pollution is reduced.

[0034] It can be understood that the intelligent control system 50 can automatically regulate the drilling trajectory, automatically adjust the drilling speed and the reaming speed according to the resistance, and record the drilling and reaming trajectory, the relationship function of the output torque value and the feeding rate and other data.

[0035] In some embodiments, as shown in Figures 2-3 The caterpillar vehicle 10 comprises a platform 11, an ear 12, two caterpillar belts 13 and a plurality of connecting plates 14; the ear 12 is arranged below the platform 11, one caterpillar belt 13 is arranged at each end of the ear 12, the plurality of connecting plates 14 are arranged in front of the platform 11 in a staggered manner, and the drilling support 21 is installed on the plurality of connecting plates 14.

[0036] It can be understood that the caterpillar vehicle 10 of the utility model is easy to cause the problem of vehicle sinking or overturning when walking on soft soil, and the ear 12 and the caterpillar belt 13 are designed, wherein the caterpillar belt 13 is a steel caterpillar belt, and the environmental adaptability of the underground pipeline non-excavation ring penetrating device 100 is improved.

[0037] In some embodiments, as shown in Figure 4 The drilling mechanism 20 further comprises a plurality of guide rails 26, any guide rail 26 can be arranged on the guide cylinder 22, and the flexible shaft 24 is arranged on the guide rail 26.

[0038] In some embodiments, as shown in Figure 5 The underground pipeline non-excavation ring penetrating device 100 further comprises a reaming mechanism 60, the reaming mechanism 60 comprises a support 61, a hydraulic motor 62, a chain wheel 63, a chain 64 and a scraper (not shown), the support 61 is arranged on the drilling support 21, the inner side of the support 61 is provided with the hydraulic motor 62, the hydraulic motor 62 is connected with the hydraulic cylinder 23, the outer side of the support 61 is provided with the chain wheel 63, the chain wheel 63 is connected with the hydraulic motor 62, the chain 64 is connected with the chain wheel 63, the chain 64 is arranged on the guide cylinder 22, and the outer side of the chain 64 is provided with the scraper.

[0039] In some embodiments, the reaming mechanism 60 further comprises a chain plate (not shown), the outer side of the chain 64 is provided with the chain plate, and the chain plate is used for pulling the steel strand into the cavity formed by the drilling head 25 and surrounding the cavity for one round.

[0040] It is understood that the chain scraper structure designed in this utility model uses a hydraulic motor to drive the sprocket to rotate, the sprocket to drive the chain to run, and the scraper extending from the side of the chain plate to cut and carry out the soil around the pipe wall, forming an annular cavity.

[0041] At the same time, the steel strand and other construction materials are pulled into the cavity and circled around to complete the hole enlargement and threading operation using the chain plate on the other side.

[0042] The chain scraper structure designed in this utility model has a high degree of automation. It automatically adjusts the hole-expanding speed, tracks the hole-expanding direction, and automatically adjusts the feed rate and propulsion force to achieve the expected hole-expanding effect. When expanding the hole along the water flow direction, it moves slowly along the pipe direction, driving the hole-expanding mechanism to move longitudinally, completing the longitudinal hole-expanding operation along the outside of the pipe section.

[0043] In some embodiments, such as Figure 5 As shown, the hole-expanding mechanism 60 also includes two driven wheels 65, which are disposed on the outside of the support 61, and the chain 64 is connected to the driven wheels 65.

[0044] Understandably, the design of the driven wheel 65 in this utility model optimizes the stability of the chain 64 during operation.

[0045] In some embodiments, such as Figure 6 As shown, the trenchless underground pipeline circumferential drilling device 100 also includes a lifting mechanism 70. The lifting mechanism 70 includes a column 71, a crossbeam 72, a motor 73, and a winch 74. The column 71 is mounted on the tracked vehicle 10. One end of the crossbeam 72 is connected to the top of the column 71, and the other end of the crossbeam 72 faces the drilling mechanism 20. The motor 73 and the winch 74 are both mounted on the crossbeam 72. The motor 73 is used to drive the winch 74, and the lifting rope on the winch 74 is connected to the drilling support 21.

[0046] In some embodiments, the lifting parameters of the winch 74 are above 1 ton.

[0047] In this invention, the drilling mechanism 20 and the reaming mechanism 60 weigh more than 300 kg, and the hoist 74 has a lifting parameter of more than 1 ton, enabling automatic installation, adjustment and unloading of the drilling mechanism 20 and the reaming mechanism 60 without the aid of external mechanisms.

[0048] In some embodiments, the trenchless underground pipeline circumference device 100 further includes a generator 80, which is mounted on the tracked vehicle 10 and connected to the intelligent control system 50 and the tracked vehicle 10.

[0049] In some embodiments, there are multiple guide cylinders 22 and guide rails 26, and one guide cylinder 22 and one guide rail 26 constitute a group of guide components, with each group of guide components having a different size.

[0050] It can be understood that when the reinforcing pipe diameter of the super-large-diameter water conveying pipe is different, the utility model only needs to replace the guide cylinder 22 and the guide rail 26, install the drill bit 25, and adjust the drilling parameters.

[0051] The utility model has strong adaptability, high automation level, closed loop control and detection.

[0052] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0053] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0054] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection or communication with each other; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited.

[0055] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be direct contact of the first and second features, or indirect contact of the first and second features through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0056] In the present application, the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" mean that the particular feature, structure, material or characteristic being described is included in at least one embodiment or example of the present application. The illustrative appearances of the above-mentioned terms in various places in the specification are not necessarily referring to the same embodiment or example. Moreover, the particular features, structures, materials or characteristics can be combined in any suitable manner in one or more embodiments or examples. Furthermore, the terms "comprising", "containing", "having" and "including" are meant to be open-ended terms that specifically permit the possibility of additional features, structures, materials or characteristics. In addition, the description of the present application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the application in the form disclosed. Many modifications and variations will be apparent to those skilled in the art. The described embodiments and examples were chosen and described in order to best explain the principles of the application and its best mode known to the inventors at the time of the patenting. It is intended that the scope of the application be defined by the claims appended hereto and their equivalents.

[0057] Although the embodiments of the present application have been shown and described above, it is to be understood that the above-mentioned embodiments are exemplary, and cannot be understood as limiting the present application, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the present application.

Claims

1. A trenchless looping device for underground pipelines, characterized in that, It includes: Crawler; Drilling mechanism, the drilling mechanism includes drilling support, guide cylinder, hydraulic cylinder, flexible shaft and drill bit, the drilling support is detachably arranged in front of the crawler, the guide cylinder is arranged at the lower end of the drilling support, the hydraulic cylinder is arranged inside the drilling support, the flexible shaft is arranged around the guide cylinder, and the flexible shaft is connected with the hydraulic cylinder, the drill bit is arranged at the first end of the flexible shaft; Power mechanism, the power mechanism is arranged on the crawler, the power mechanism is connected with the power mechanism, and the drill bit is driven to work; Deslagging mechanism, the deslagging mechanism is arranged on the crawler, the deslagging suction pipe of the deslagging mechanism is arranged on the flexible shaft, and the soil residue around the drill bit is adsorbed; Intelligent control system, the intelligent control system is arranged on the crawler, and the intelligent control system is connected with the drilling mechanism, the power mechanism and the deslagging mechanism respectively; Remote monitoring terminal, the remote monitoring terminal transmits data with the intelligent control system through wireless.

2. The underground pipeline trenchless ring penetrating device according to claim 1, wherein the crawler comprises a platform, an ear, two crawlers and a plurality of connecting plates; the ear is arranged below the platform, and the two ends of the ear are respectively provided with one of the crawlers; a plurality of the connecting plates are arranged staggered in front of the platform; and the drilling support is installed on the plurality of connecting plates.

3. The underground pipeline trenchless ring penetrating device according to claim 2, wherein the drilling mechanism further comprises a plurality of guide rails, any one of the guide rails can be arranged around the guide cylinder, and the flexible shaft is arranged on the guide rails. It further includes: Reaming mechanism, the reaming mechanism includes a support, a hydraulic motor, a chain wheel, a chain and a scraper, the support is arranged on the drilling support, the inner side of the support is provided with the hydraulic motor, the hydraulic motor is connected with the hydraulic cylinder, the outer side of the support is provided with the chain wheel, the chain wheel is connected with the hydraulic motor, the chain is connected with the chain wheel, and the chain is arranged around the guide cylinder, and the outer side of the chain is provided with the scraper.

5. The underground pipeline trenchless ring penetrating device according to claim 4, wherein the reaming mechanism further comprises a chain plate, the outer side of the chain is provided with the chain plate, and the chain plate is used to pull the steel strand into the cavity formed by the drill bit and surround it once.

4. The underground pipeline trenchless ring placement device of claim 3, wherein, 6. The underground pipeline trenchless ring penetrating device according to claim 4, wherein the reaming mechanism further comprises two slave wheels, the two slave wheels are arranged on the outer side of the support, and the chain is connected with the slave wheels. It further includes: Lifting mechanism, the lifting mechanism includes a stand, a cross beam, a motor and a winch, the stand is arranged on the crawler, one end of the cross beam is connected with the top end of the stand, the other end of the cross beam faces the drilling mechanism, the motor and the winch are arranged on the cross beam, the motor is used to drive the winch, and the lifting rope on the winch is connected with the drilling support. ​ ​ ​ 7. The underground pipeline trenchless ring placement apparatus of claim 5, wherein, ​ ​ 8. The underground pipeline trenchless ring penetrating device according to claim 7, wherein, the lifting parameter of the winch is above 1 ton.

9. The underground pipeline trenchless ring placement device of claim 7, wherein, Further comprising: a generator arranged on the tracked vehicle, the generator being connected with the intelligent control system and the tracked vehicle.

10. The underground pipeline trenchless ring penetrating device according to claim 3, wherein, the guide tubes and the guide rails are multiple, and one guide tube and one guide rail form a guide assembly, and the sizes of the guide assemblies are different.