Rotary crushing gun head capable of cleaning pipeline sundries

By using a rotating breaker head to drive vortex fan blades and a nozzle system with high-pressure water flow, a high-speed jet is formed, which solves the problem of pipe blockage, achieves efficient cleaning of pipe debris, and reduces the frequency of pipe excavation and maintenance costs.

CN224168241UActive Publication Date: 2026-04-28QINGDAO DRAINAGE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO DRAINAGE CO LTD
Filing Date
2025-05-26
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

In existing technologies, pipes are prone to reduced or interrupted flow due to blockages caused by debris. Conventional dredging nozzles are difficult to effectively remove large foreign objects and are prone to jamming.

Method used

A rotary crushing gun head was designed, which uses high-pressure water flow to drive the vortex fan blades to rotate. Through the nozzle system composed of the vortex fan blades and the nozzle, a high-speed jet is formed, which drives the gun head to rotate at high speed and uses the crushing blades to clean up the debris in the pipe. The nozzle design enhances the rotational torque and prevents loosening.

Benefits of technology

It effectively breaks up silt and large foreign objects inside pipelines, reducing the frequency of pipeline excavation, improving cleaning efficiency, and reducing daily maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rotary crushing gun head capable of cleaning pipeline sundries, and relates to the field of pipeline cleaning equipment, the rotary crushing gun head comprises a gun seat, a rotary assist device and a gun head, the rotary assist device is rotatably arranged at one end of the gun seat through a sealing bearing, and the gun head is in threaded connection with one end, far away from the gun seat, of the rotary assist device; a vortex cavity is formed in the gun base, a water inlet communicated with the vortex cavity is formed in the bottom of the gun base, vortex fan blades which rotate under the impact of water pressure and drive the rotating assistor to rotate are arranged in the vortex cavity, and a plurality of spray pipes which are distributed in a circumferential array mode are fixedly installed on the rotating assistor and serve as water outlets. According to the utility model, the gun head rotates at a high speed under the dual action of water pressure through the vortex fan blades and the spray pipe, so that the functional defects of sediment deposition, mud hardening, blocking of large foreign matters and the like in a pipeline are effectively overcome, the pipeline excavation frequency and the daily pipeline maintenance cost are reduced, and higher working efficiency and better cleaning effect are achieved.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline cleaning equipment, and in particular to a rotary crushing gun head that can clean up debris in pipelines. Background Technology

[0002] Piping systems play a vital role in modern society, transporting water, gas, and other fluids. However, due to various reasons (such as sediment buildup and blockages by foreign objects), debris can gradually accumulate inside pipes, leading to blockages, reduced flow, or even complete interruption of flow. Therefore, regular pipe cleaning is essential to ensure unobstructed flow.

[0003] During construction, improper protection, misjudgment, omissions, or other reasons may cause grouting or bricks and stones to fall into the pipes. If not dealt with in time, this can cause blockages in rainwater and sewage pipes. Once blocked, ordinary drain cleaners cannot be used to clean the blockages and may even jam the drain cleaners. Utility Model Content

[0004] The purpose of this invention is to solve the problems existing in the prior art by proposing a rotating shredder head that can clean up debris in pipes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A rotary breaker for cleaning pipe debris includes a gun base, a rotary auxiliary device, and a gun head. The rotary auxiliary device is rotatably mounted at one end of the gun base via a sealed bearing, and the gun head is threadedly connected to the end of the rotary auxiliary device away from the gun base.

[0007] The gun mount has a vortex cavity, and the bottom of the gun mount has a water inlet that communicates with the vortex cavity. The vortex cavity is equipped with vortex fan blades that rotate under the impact of water pressure and drive the rotation auxiliary device to rotate. Several nozzles arranged in a circular array are fixedly installed on the rotation auxiliary device as water outlets, and the nozzles are connected to the vortex cavity.

[0008] Preferably, the rotating auxiliary device is provided with a rotating shaft, with its two ends located inside the rotating auxiliary device and inside the vortex cavity, respectively. The end of the rotating shaft located inside the rotating auxiliary device is fixedly connected to the rotating auxiliary device, and the end of the rotating shaft located in the vortex cavity is rotatably connected to the inner wall of the vortex cavity. The vortex fan blade is fixedly sleeved on the rotating shaft.

[0009] Preferably, the nozzle is internally divided into a converging section, a throat, and a diverging section that are connected in a continuous manner. A spacer ring is fixedly connected inside the rotary auxiliary device. One end of the nozzle is fixedly connected to the spacer ring. The inlet of the converging section is located inside the spacer ring, and the outlet of the diverging section is connected to the outside of the rotary auxiliary device.

[0010] Preferably, the inner diameter of the tapered section gradually decreases from the direction of the throat of the septum, and the inlet cone angle of the tapered section is 14°.

[0011] Preferably, the inner diameter of the expanding section gradually increases from the throat towards the outlet, and the outlet expansion angle of the expanding section is 8°.

[0012] Preferably, the tangential deflection angle of the nozzle is 52°.

[0013] Preferably, the gun head is an alloy material component with crushing blades fixedly connected to its surface. One end of the gun head is provided with a threaded section, and one end of the rotary auxiliary device is provided with a threaded cavity. The gun head is threadedly connected to the rotary auxiliary device through the threaded section and threaded cavity.

[0014] Preferably, the threaded connection between the threaded segment and the threaded cavity is counterclockwise, and the rotation direction of the rotation auxiliary is clockwise.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0016] 1. In this utility model, high-pressure water enters the vortex cavity through the inlet. The water flow impacts the vortex fan blades, causing them to drive the rotating shaft to rotate. The rotating shaft can drive the rotating auxiliary device to rotate, which in turn drives the gun head to rotate at high speed. The crushing blades on the gun head can generate powerful force, providing a basis for crushing foreign objects in the pipeline. It can effectively solve functional defects such as siltation, mud caking, and large foreign object obstruction in the pipeline, reduce the frequency of pipeline excavation caused by functional defects, reduce daily pipeline maintenance costs, and has higher work efficiency compared with conventional dredging gun heads.

[0017] 2. In this utility model, after the water flows through the vortex cavity into the rotating auxiliary device, it enters the nozzle. During the process of the water flowing through the nozzle, the converging section accelerates the water flow, and the expanding section further expands to increase the water flow velocity, forming a high-speed jet and reducing turbulence loss. The high-speed jet can assist the rotating auxiliary device in rotating, and it can also break up the compacted mud and sand. The nozzle is deflected tangentially by 52°, and the jet reaction force is used to enhance the rotation torque of the nozzle head. In conjunction with the vortex fan blades, the rotating auxiliary device drives the nozzle head to rotate at high speed, so that the breaking blades on the nozzle head can generate powerful force.

[0018] 3. In this utility model, the gun head is connected to the threaded cavity through a threaded section to achieve a threaded connection with the rotation auxiliary device. The gun head is screwed in counterclockwise, and the rotation auxiliary device rotates clockwise. The clamping force of the thread meshing surface increases with the rotation speed. The reverse thread design makes the gun head tighter and tighter as it rotates, preventing it from loosening at high speed. Attached Figure Description

[0019] Figure 1This utility model presents a three-dimensional structural diagram of a rotating shredder head capable of cleaning debris from pipes. Figure 1 ;

[0020] Figure 2 This utility model presents a three-dimensional structural diagram of a rotating shredder head capable of cleaning debris from pipes. Figure 2 ;

[0021] Figure 3 A partial structural diagram of a rotating shredder head for cleaning debris from pipes is provided for this utility model.

[0022] Figure 4 This utility model provides an exploded structural diagram of a rotating shredder head capable of cleaning debris from pipes.

[0023] Figure 5 This utility model presents a cross-sectional plan view of a rotating auxiliary device for a rotating shredder head that can clean debris from pipes.

[0024] Legend: 100, gun mount; 101, vortex chamber; 102, water inlet; 200, rotation auxiliary device; 201, vortex fan blade; 202, shaft; 203, spacer ring; 204, threaded chamber; 300, gun head; 301, shattering blade; 302, threaded section; 400, nozzle; 401, tapering section; 402, throat; 403, diverging section. Detailed Implementation

[0025] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0027] like Figure 1-5 As shown, this utility model provides a rotary breaker head 300 for cleaning pipe debris, including a gun base 100, a rotary auxiliary device 200 and a gun head 300. The rotary auxiliary device 200 is rotatably disposed at one end of the gun base 100 through a sealed bearing, and the gun head 300 is threadedly connected to the end of the rotary auxiliary device 200 away from the gun base 100.

[0028] The gun holder 100 has a vortex cavity 101 inside, and the bottom of the gun holder 100 has a water inlet 102 that communicates with the vortex cavity 101. The vortex cavity 101 is provided with a vortex fan blade 201 that rotates under the impact of water pressure and drives the rotation auxiliary device 200 to rotate. Several nozzles 400 arranged in a circular array are fixedly installed on the rotation auxiliary device 200 as water outlets. The nozzles 400 are connected to the vortex cavity 101.

[0029] In this embodiment, a rotating shaft 202 is provided inside the rotating auxiliary device 200. The two ends of the rotating shaft 202 are located inside the rotating auxiliary device 200 and inside the vortex cavity 101, respectively. One end of the rotating shaft 202 located inside the rotating auxiliary device 200 is fixedly connected to the rotating auxiliary device 200, and the other end of the rotating shaft 202 located in the vortex cavity 101 is rotatably connected to the inner wall of the vortex cavity 101. The vortex fan blade 201 is fixedly sleeved on the rotating shaft 202.

[0030] Specifically, the water flow in the vortex cavity 101 impacts the vortex fan blade 201, driving the rotating shaft 202 to rotate. The rotating shaft 202 drives the rotating auxiliary device 200 to rotate under the action of the sealed bearing, thereby driving the gun head 300 to rotate at high speed, realizing the conversion of water pressure kinetic energy into mechanical rotational energy.

[0031] In this embodiment, the nozzle 400 is internally divided into a converging section 401, a throat 402, and a diverging section 403, forming a converging-diverging Laval nozzle 400. A spacer ring 203 is fixedly connected inside the rotary auxiliary device 200. One end of the nozzle 400 is fixedly connected to the spacer ring 203. The inlet of the converging section 401 is located inside the spacer ring 203, and the outlet of the diverging section 403 is connected to the outside of the rotary auxiliary device 200.

[0032] Specifically, as the water flows through the nozzle 400, the converging section 401 accelerates the water flow, and the expanding section 403 further expands to increase the water flow velocity, forming a high-speed jet and reducing turbulence loss. This allows the high-speed jet to assist the rotating auxiliary device 200 in rotating and also to break up compacted silt.

[0033] In this embodiment, the inner diameter of the tapered section 401 gradually decreases from the direction of the throat 402 of the diaphragm 203, and the inlet cone angle of the tapered section 401 is 14°.

[0034] Specifically, the inlet cone angle of the tapered section 401 is optimized to 14° to balance acceleration efficiency and flow separation risk, ensuring a smooth transition of water flow to the throat 402, avoiding premature flow separation, and reducing pressure loss.

[0035] In this embodiment, the inner diameter of the expanding section 403 gradually increases from the throat 402 toward the outlet, and the outlet expansion angle of the expanding section 403 is 8°.

[0036] Specifically, the expansion angle of the diffuser section 403 at the outlet is optimized to 8°. The diffuser section 403 expands slowly at an expansion angle of 8°, which controls the generation of shock waves in the fluid, maintains a stable jet, ensures a uniform outlet jet, increases the impact coverage area, and suppresses airflow oscillation.

[0037] In this embodiment, the tangential deflection angle of the nozzle 400 is 52°.

[0038] Specifically, the nozzle 400 is tangentially deflected by 52° at the outlet direction. The reaction force of the water flow generates a rotational torque, and the tangential jet contributes a certain rotational power. In conjunction with the vortex fan blade 201, it causes the rotational auxiliary device 200 to rotate, thereby driving the nozzle 300 to rotate.

[0039] In this embodiment, the gun head 300 is an alloy material component, and the other parts are made of metal. A crushing blade 301 is fixedly connected to the surface. One end of the gun head 300 is provided with a threaded section 302, and one end of the rotating auxiliary device 200 is provided with a threaded cavity 204. The gun head 300 is threadedly connected to the threaded cavity 204 through the threaded section 302 to achieve a threaded connection with the rotating auxiliary device 200. The threaded connection between the threaded section 302 and the threaded cavity 204 is counterclockwise, and the rotation direction of the rotating auxiliary device 200 is clockwise.

[0040] Specifically, the gun head 300 is screwed in counterclockwise, and the rotating auxiliary device 200 rotates clockwise. The clamping force of the thread meshing surface increases with the rotation speed. The reverse thread design makes the gun head 300 tighter and tighter as it rotates, preventing it from loosening at high speed.

[0041] How to use and how to work this device:

[0042] The nozzle 300 is threadedly connected to the threaded cavity 204 via the threaded section 302, thus achieving a threaded connection with the rotary auxiliary device 200. High-pressure water flows into the vortex cavity 101 from the inlet 102, and the water flow impacts the vortex fan blades 201, causing them to drive the rotating shaft 202 to rotate. The rotating shaft 202 can drive...

[0043] The rotating auxiliary device 200 rotates, which in turn drives the gun head 300 to rotate at high speed. The gun head 300 is screwed in counterclockwise, and the rotating auxiliary device 200 rotates clockwise. The clamping force of the thread meshing surface increases with the rotation speed. The reverse thread design makes the gun head 300 tighter and tighter as it rotates, preventing it from loosening at high speed.

[0044] After the water flows through the vortex cavity 101 and enters the rotating auxiliary device 200, it enters the nozzle 400. During the process of the water flowing through the nozzle 400, the converging section 401 accelerates the water flow, and the expanding section 403 further expands to increase the water flow velocity, forming a high-speed jet. This reduces turbulence losses, allowing the rotating auxiliary device 200 to rotate with the help of the high-speed jet, and also breaking up hardened silt. The nozzle 400 is tangentially deflected by 52°, using the jet reaction force to enhance the rotational torque of the nozzle head 300. This, in conjunction with the vortex fan blades 201, causes the rotating auxiliary device 200 to rotate, which in turn drives the nozzle head 300 to rotate. This allows the breaking blades 301 on the nozzle head 300 to generate powerful force, providing a basis for breaking up foreign objects in the pipeline. This effectively solves functional defects such as siltation, mud hardening, and large foreign object obstruction in the pipeline, reducing the frequency of pipeline excavation caused by functional defects and lowering daily pipeline maintenance costs. Compared with conventional dredging nozzles 300, this method has higher work efficiency.

[0045] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A rotary breaker head for cleaning debris from pipes, characterized in that: It includes a gun base (100), a rotating auxiliary device (200), and a gun head (300). The rotating auxiliary device (200) is rotatably disposed at one end of the gun base (100) via a sealed bearing, and the gun head (300) is threadedly connected to the end of the rotating auxiliary device (200) away from the gun base (100). The gun holder (100) has a vortex cavity (101) inside. The bottom of the gun holder (100) has a water inlet (102) that communicates with the vortex cavity (101). The vortex cavity (101) is provided with a vortex fan blade (201) that rotates under the impact of water pressure and drives the rotating auxiliary device (200) to rotate. Several nozzles (400) arranged in a circular array are fixedly installed on the rotating auxiliary device (200) as water outlets. The nozzles (400) are connected to the vortex cavity (101).

2. The rotary breaker head for cleaning pipe debris according to claim 1, characterized in that: The rotating auxiliary device (200) is provided with a rotating shaft (202). The two ends of the rotating shaft (202) are located inside the rotating auxiliary device (200) and inside the vortex cavity (101), respectively. The end of the rotating shaft (202) located inside the rotating auxiliary device (200) is fixedly connected to the rotating auxiliary device (200). The end of the rotating shaft (202) located in the vortex cavity (101) is rotatably connected to the inner wall of the vortex cavity (101). The vortex fan blade (201) is fixedly sleeved on the rotating shaft (202).

3. The rotary breaker head for cleaning pipe debris according to claim 1, characterized in that: The nozzle (400) is internally divided into a converging section (401), a throat (402), and a diverging section (403) that are connected to each other. A spacer ring (203) is fixedly connected inside the rotary auxiliary device (200). One end of the nozzle (400) is fixedly connected to the spacer ring (203). The inlet of the converging section (401) is located inside the spacer ring (203), and the outlet of the diverging section (403) is connected to the outside of the rotary auxiliary device (200).

4. The rotary breaker head for cleaning pipe debris according to claim 3, characterized in that: The inner diameter of the tapering section (401) gradually decreases from the direction of the throat (402) of the diaphragm (203), and the entrance cone angle of the tapering section (401) is 14°.

5. A rotary breaker head for cleaning pipe debris according to claim 3, characterized in that: The inner diameter of the expanding section (403) gradually increases from the throat (402) toward the outlet, and the outlet expansion angle of the expanding section (403) is 8°.

6. A rotary breaker head for cleaning pipe debris according to claim 3, characterized in that: The tangential deflection angle of the nozzle (400) is 52°.

7. A rotary breaker head for cleaning pipe debris according to claim 1, characterized in that: The gun head (300) is an alloy material component and has a crushing blade (301) fixedly connected to its surface. One end of the gun head (300) is provided with a threaded section (302), and one end of the rotary auxiliary device (200) is provided with a threaded cavity (204). The gun head (300) is threadedly connected to the threaded cavity (204) through the threaded section (302) to achieve a threaded connection with the rotary auxiliary device (200).

8. A rotary breaker head for cleaning pipe debris according to claim 7, characterized in that: The threaded connection between the threaded section (302) and the threaded cavity (204) is counterclockwise, and the rotation direction of the rotating auxiliary device (200) is clockwise.