Micro pipe jacking sludge discharge device

By combining inner and outer pipes and using a micro-jacking sludge removal device that cuts the soil with a high-pressure water gun, the problem of high jacking resistance under complex geological conditions was solved, and construction efficiency was improved.

CN223754971UActive Publication Date: 2026-01-02NO 2 CONSTR GRP CO LTD OF SHANGHAI CONSTR GRP
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Patent Information

Application Number
CN202520243004.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-02
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing micro-jacking construction methods face significant jacking resistance and difficulty in guaranteeing jacking efficiency under complex geological conditions.

Method used

It adopts an inner and outer pipe structure, with the outer pipe being a smooth sheet metal. A high-pressure water gun and channel are installed between the inner and outer pipes. The nozzle can rotate 360° to cut the soil and reduce resistance.

Benefits of technology

The smooth surface of the outer tube and the high-pressure water cutting significantly reduce the resistance during the jacking process of the mud discharge pipe and improve the jacking efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a micro pipe jacking sludge discharge device, which comprises an inner pipe, an outer pipe and a screw rod, the screw rod is arranged in the inner pipe, the outer pipe is arranged outside the inner pipe, two ends of the outer pipe are connected with two ends of the inner pipe, and the outer pipe is provided with a smooth outer surface. According to the micro-pipe-jacking sludge discharging device, the outer pipe with the smooth surface is arranged, so that the device is more linear, the resistance in the jacking process of the sludge discharging pipe is reduced, and the jacking efficiency of the sludge discharging pipe is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sewage high pressure water gun net construction, especially to a micro pipe mud discharging device. BACKGROUND

[0002] With the steady progress of the urban sewage system renovation and reconstruction, the road conditions of the existing old urban areas are complex, the traditional direct excavation method seriously damages the original road and greatly influences the surrounding residents' life, in order to reduce the influence on the traffic and the interference on the surrounding environment and the ground as much as possible, the micro pipe jacking technology emerges as the times require. However, in the face of the micro pipe jacking construction under some complex geological conditions, the existing micro pipe jacking resistance is large, and the jacking efficiency is difficult to guarantee. Therefore, there is an urgent need for a mud discharging pipe jacking with reduced resistance in the prior art to solve the above problems. SUMMARY

[0003] The utility model discloses to the above technical problem, the specific technology scheme that adopts is: a micro pipe mud discharging device, it includes: inner tube, outer tube and screw rod, the screw rod is arranged in the inner tube, the outer tube is arranged in the outer tube, the outer tube both ends are connected with the inner tube both ends, and the outer tube has smooth outer surface.

[0004] Further improvement is that the outer tube is made of iron sheet.

[0005] Further improvement is that the outer tube and the inner tube are provided with a high-pressure water gun, and the front end of the micro pipe mud discharging device is provided with a spray head connected with the high-pressure water gun.

[0006] Further improvement is that the spray head can rotate 360 degrees with the ejection of water flow.

[0007] Further improvement is that the outer tube and the inner tube are provided with a channel for accommodating the high-pressure water gun.

[0008] Further improvement is that the channel is composed of a channel steel or a pipeline arranged between the outer tube and the inner tube.

[0009] Further improvement is that the spray head is arranged at the front end of the channel or on the outer wall of the inner tube, and the front end of the micro pipe mud discharging device is provided with a hole for the spray head to spray water.

[0010] The utility model has the advantages that:

[0011] The micro pipe mud discharging device provided by the utility model has a smooth outer surface, which makes the device more linear, thereby reducing the resistance in the mud discharging pipe jacking process and greatly improving the jacking efficiency of the mud discharging pipe.

[0012] The utility model is further illustrated in combination with the drawings and examples: BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the micro-tube sludge discharge device of the utility model;

[0014] Figure 2 is a partial structural schematic view of the micro-tube sludge discharge device of the utility model. DETAILED DESCRIPTION

[0015] The utility model will be further described in detail in combination with the drawings. These drawings are all simplified schematic views, and only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the structure related to the utility model.

[0016] In the description of the utility model, it needs 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" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0017] 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. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0018] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] As Figure 1 and Figure 2The utility model provides a kind of micro pipe mud discharge device, comprising: inner tube 4, outer tube 1 and screw rod 5, the screw rod 5 is arranged in inner tube 4, clearance fit between the two, the outer end of screw rod 5 connects the shield machine head, to provide power for the rotation of screw rod 5, the outer tube 1 is set in the outer of the inner tube 4, the both ends of the outer tube 1 are connected with the both ends of the inner tube 4 by welding, specifically, the both ends of inner tube 4 have flange structure extending outward along radial direction, outer tube 1 end is welded with the flange structure, and the outer tube 1 has smooth outer surface, to reduce the advancing resistance of the device.

[0020] The micro pipe mud discharge device provided by the utility model makes the device more linear by the outer tube with smooth surface, thereby reducing the resistance in the jacking process of the mud discharge pipe, and greatly improving the jacking efficiency of the mud discharge pipe.

[0021] Further improvement is that the outer tube 1 is made of iron sheet, which not only has low cost, but also has smooth surface.

[0022] To further reduce the jacking resistance, the further improvement of the technical scheme is that a high-pressure water gun 2 is arranged between the outer tube 1 and the inner tube 4, the high-pressure water gun 2 is connected with a high-pressure water source, and the front end of the micro pipe mud discharge device is provided with a spray head connected with the high-pressure water gun 2. The high-pressure water is sprayed out through the spray head to cut the soil, thereby reducing the jacking resistance.

[0023] Further improvement is that the spray head can rotate by 360 degrees with the spraying of water flow. To realize large-range cutting of soil, and better reduce the jacking resistance.

[0024] Further improvement is that a channel 3 for accommodating the high-pressure water gun 2 is arranged between the outer tube 1 and the inner tube 4. Through the channel 3, the high-pressure water gun pipeline can be regularized, and protection is also achieved.

[0025] Further improvement is that the channel 3 is composed of a channel steel or a pipeline arranged between the outer tube 1 and the inner tube 4. The channel 3 composed of the channel steel or the pipeline is preferably fixedly installed on the outer wall of the inner tube 4 by welding.

[0026] Further improvement is that the spray head is fixedly installed on the front end of the channel 3 or the outer wall of the inner tube 4 by welding, and the front end of the micro pipe mud discharge device (i.e. the flange structure) is provided with a hole for the spray head to spray water, so as to spray high-pressure water to cut the soil.

[0027] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A micro-tube sewerage device, characterized by, The utility model relates to a micro-tube sludge discharge device, comprising: an inner tube, an outer tube and a spiral rod, the spiral rod is arranged in the inner tube, the outer tube is arranged outside the inner tube, both ends of the outer tube are connected with both ends of the inner tube, and the outer tube has a smooth outer surface.

2. The micro-sewer device of claim 1, wherein, The outer tube is made of iron sheet.

3. The micro- pipe sewer device according to claim 1, characterized in that, A high-pressure water gun is arranged between the outer tube and the inner tube, and a spray head connected with the high-pressure water gun is arranged at the front end of the micro-tube sludge discharge device.

4. The micro- pipe sewer device according to claim 3, characterized in that The spray head can rotate by 360 degrees with the water flow.

5. The micro- pipe sewerage device according to claim 3, characterized in that, A channel for accommodating the high-pressure water gun is arranged between the outer tube and the inner tube.

6. The micro- pipe sewer of claim 5, wherein, The channel is composed of a channel steel or a pipeline arranged between the outer tube and the inner tube.

7. The micro- pipe sewer of claim 6, wherein The spray head is arranged at the front end of the channel or on the outer wall of the inner tube, and a hole for water spraying of the spray head is arranged at the front end of the micro-tube sludge discharge device.