Pipe dredging device with adjustable pipe diameter

Abstract

The utility model relates to a pipeline dredging device with an adjustable pipe diameter. The pipeline dredging device comprises an upstream connecting ring, a downstream connecting ring, a main shaft, a fixed top block, a hydraulic piston device, a sliding block, a connecting auxiliary rod, a connecting main rod and an upper end top block, the upstream connecting ring and the downstream connecting ring are fixedly connected to the two ends of the main shaft respectively, the main shaft is sequentially sleeved with the fixed top block, the hydraulic piston device, the sliding block and the upper end top block, the fixed top block and the upper end top block are both fixedly connected with the main shaft, the fixed end of the hydraulic piston device is connected with the fixed top block, and the telescopic end of the hydraulic piston device is connected with the sliding block. One end of the connecting main rod is rotatably connected to the top block at the upper end, and the two ends of the connecting auxiliary rod are rotatably connected with the sliding block and the connecting main rod respectively. Compared with the prior art, the pipeline dredging device has the advantages of being capable of adapting to different pipeline environments, high in universality, capable of ensuring smooth dredging operation and the like.

Description

Technical Field

[0001] This utility model relates to the field of pipe dredging devices, and in particular to a pipe dredging device with adjustable pipe diameter. Background Technology

[0002] As the core carrier of urban lifeline projects, the operation and maintenance quality of municipal drainage pipe networks directly affects the city's flood control and drainage capacity and water environment quality. Traditional mechanical dredging heads are designed with fixed sizes, requiring the stocking of 8-12 different specifications and models. On-site replacement takes as long as 25-40 minutes per instance, seriously affecting emergency response efficiency.

[0003] For example, the utility model disclosed in CN222390616U discloses a pipe dredging device for municipal engineering, including a circular body, six sliding wheels arranged in a ring on the circular body for horizontal movement of the circular body in the pipe, a rotating column rotatably arranged on the left side of the circular body, a rotating motor with its fixed end arranged on the left end of the circular body and its output end connected to the right end of the rotating column for driving the rotating column to rotate, at least two fixed seats arranged in a ring at equal intervals on the rotating column, sliding holes respectively opened on each fixed seat, sliding rods respectively slidably arranged on each fixed seat and located in the sliding holes, a return spring arranged between one end of each sliding rod and the fixed seat and located in the sliding hole, a cutting block arranged at the other end of each sliding rod, an anti-slip member arranged between each sliding rod and the fixed seat for preventing the sliding rod from slipping out of the sliding hole, and a push handle arranged on the right end face of the circular body.

[0004] The aforementioned pipe dredging device is a fixed-shape and fixed-specification structure, designed with fixed dimensions.

[0005] In pipeline dredging operations, traditional equipment often has to be dug out by excavating the road surface or breaking the pipeline to remove the dredging head when the pipeline structure is deformed or the blockage is blocked. This not only increases the risk and cost of maintenance operations, but may also cause further damage to the pipeline or even cause a long-term man-made blockage. Utility Model Content

[0006] The purpose of this invention is to overcome the shortcomings of the existing technology, which uses a fixed size design and is difficult to repair once the pipe structure is deformed or the unblocking head is blocked, and to provide a pipe unblocking device with an adjustable pipe diameter.

[0007] The objective of this utility model can be achieved through the following technical solutions:

[0008] An adjustable pipe unblocking device includes an upstream connecting ring, a downstream connecting ring, a main shaft, a fixed top block, a hydraulic piston device, a slider, a connecting auxiliary rod, a connecting main rod, and an upper top block. The upstream and downstream connecting rings are fixedly connected to both ends of the main shaft. The fixed top block, hydraulic piston device, slider, and upper top block are sequentially sleeved on the main shaft. Both the fixed top block and the upper top block are fixedly connected to the main shaft. The fixed end of the hydraulic piston device is connected to the fixed top block, and the telescopic end is connected to the slider. One end of the connecting main rod is rotatably connected to the upper top block. The two ends of the connecting auxiliary rod are rotatably connected to the slider and the connecting main rod, respectively.

[0009] Furthermore, the upper top block is located on the main shaft near the upstream connecting ring.

[0010] Furthermore, the connecting auxiliary rod is rotatably connected to the slider and the connecting main rod via a first fixed hinge.

[0011] Furthermore, one end of the connecting main rod is rotatably connected to the upper top block via a second fixed hinge.

[0012] Furthermore, a plurality of connecting secondary rods are evenly provided on the outer side of the slider, and the number of connecting main rods corresponds one-to-one with the number of connecting secondary rods, and they are evenly distributed on the outer side of the upper top block.

[0013] Furthermore, the hydraulic piston device includes a hydraulic piston actuator and a hydraulic piston drive mechanism. The hydraulic piston drive mechanism includes a hydraulic input line, a hydraulic output line, a relief valve, an oil pump, an electric motor, and a solenoid directional valve. The hydraulic input line and the hydraulic output line are respectively connected to the hydraulic piston actuator. The hydraulic input line is divided into a branch line connected to the relief valve. The oil pump is connected in series in the hydraulic input line and is driven by the electric motor. Both the hydraulic input line and the hydraulic output line are connected to the solenoid directional valve.

[0014] Furthermore, the electric motor and the electromagnetic directional valve are also connected to a drive control circuit.

[0015] The slider is fixed to the output end of the hydraulic piston actuator.

[0016] Furthermore, the connecting main rod is driven by the connecting secondary rod to open outwards from the main shaft, forming an umbrella-shaped structure between the main shaft and the connecting secondary rod.

[0017] Furthermore, both the upstream and downstream connecting rings are connected to traction ropes, and the traction ropes connected to the upstream and downstream connecting rings are driven by engineering vehicles outside the pipeline.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] (1) After the pipe diameter adjustable pipe dredging device provided by this utility model is placed in the pipe to be dredged, it can be connected to the upstream connecting ring and the downstream connecting ring by the traction rope, and drive the whole pipe dredging device to move towards the downstream connecting ring, and the dredging of the pipe is achieved by the outward opening of the connecting main rod.

[0020] In complex situations where foreign objects obstruct the pipeline, the slide block can be retracted by a hydraulic piston device, and the connecting rod can be driven by the connecting auxiliary rod to retract the connecting main rod, thereby reducing the overall external size. This allows it to adapt to different pipeline environments, is highly versatile, and ensures the smooth progress of dredging operations.

[0021] (2) The present invention can quickly reduce the diameter to a safe range by means of the rapid adjustment capability of the hydraulic piston device, so as to pass smoothly through the deformation area or narrow part and achieve rapid withdrawal, which greatly improves the safety and efficiency of the operation.

[0022] (3) The hydraulic piston drive mechanism of this utility model is equipped with an overflow valve to realize overload protection, ensuring the safety and reliability of the equipment during operation. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a pipe-diameter adjustable pipe unblocking device provided in an embodiment of this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of a hydraulic piston device provided in an embodiment of the present utility model;

[0025] Figure 3 This is a schematic diagram showing the usage state of an adjustable pipe dredging device provided in this embodiment of the present utility model.

[0026] In the diagram, 1. Downstream connecting ring, 2. Main shaft, 3. Fixed top block, 4. Hydraulic piston device, 401. Hydraulic piston actuator, 402. Hydraulic input pipeline, 403. Hydraulic output pipeline, 404. Relief valve, 405. Oil pump, 406. Electric motor, 407. Solenoid directional valve, 5. Slider, 6. Connecting auxiliary rod, 7. First fixed hinge, 8. Connecting main rod, 9. Second fixed hinge, 10. Steel strand, 11. Upper top block, 12. Upstream connecting ring, 13. Traction rope, 14. Engineering vehicle. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0032] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0033] Example 1

[0034] like Figure 1As shown, this embodiment provides a pipe dredging device with adjustable pipe diameter, including an upstream connecting ring 12, a downstream connecting ring 1, a main shaft 2, a fixed top block 3, a hydraulic piston device 4, a slider 5, a connecting auxiliary rod 6, a connecting main rod 8, and an upper top block 11. The upstream connecting ring 12 and the downstream connecting ring 1 are respectively fixedly connected to both ends of the main shaft 2. The fixed top block 3, the hydraulic piston device 4, the slider 5, and the upper top block 11 are sequentially sleeved on the main shaft 2. The fixed top block 3 and the upper top block 11 are both fixedly connected to the main shaft 2. The fixed end of the hydraulic piston device 4 is connected to the fixed top block 3, and the telescopic end is connected to the slider 5. One end of the connecting main rod 8 is rotatably connected to the upper top block 11. The two ends of the connecting auxiliary rod 6 are rotatably connected to the slider 5 and the connecting main rod 8, respectively.

[0035] After placing the adjustable pipe dredging device into the pipe to be dredged, the upstream connecting ring 12 and the downstream connecting ring 1 can be connected by the traction rope 13, which will move the entire pipe dredging device toward the downstream connecting ring 1. The outward-opening connecting main rod 8 will then clear the blockage in the pipe. If a complex situation occurs where foreign objects are stuck in the pipe, the hydraulic piston device 4 can drive the slider 5 to retract, and the connecting auxiliary rod 6 will drive the connecting main rod 8 to retract, thereby reducing the overall outward expansion size. This allows the device to adapt to different pipe environments and ensures the smooth progress of the dredging operation.

[0036] Specifically, the upper top block 11 is located on the main shaft 2 at one end near the upstream connecting ring 12.

[0037] The connecting rod 6 is rotatably connected to the slider 5 and the connecting rod 8 via two first fixed hinges 7.

[0038] Multiple connecting rods 6 are evenly arranged on the outer side of the slider 5. The number of connecting rods 8 corresponds one-to-one with the number of connecting rods 6, and they are evenly distributed on the outer side of the upper top block 11.

[0039] One end of the connecting main rod 8 is rotatably connected to the upper top block 11 via the second fixed hinge 9. Specifically, through holes are provided at the connection points of each connecting main rod 8 and the upper top block 11, and each connecting main rod 8 is connected in sequence by steel strand 10. An installation groove is provided on the side of the upper top block 11, and each connecting main rod 8 is fixed in the installation groove by steel strand 10 to achieve overall fixation.

[0040] Preferred, such as Figure 2As shown, the hydraulic piston device 4 includes a hydraulic piston actuator 401 and a hydraulic piston drive mechanism. The hydraulic piston drive mechanism includes a hydraulic input line 402, a hydraulic output line 403, a relief valve 404, an oil pump 405, an electric motor 406, and a solenoid directional valve 407. The hydraulic input line 402 and the hydraulic output line 403 are respectively connected to the hydraulic piston actuator 401. The hydraulic input line 402 is divided into a branch line connected to the relief valve 404. The oil pump 405 is connected in series in the hydraulic input line 402 and is driven by the electric motor 406. Both the hydraulic input line 402 and the hydraulic output line 403 are connected to the solenoid directional valve 407.

[0041] Among them, the electric motor 406 is the power source, which drives the oil pump 405 to operate and provide hydraulic energy.

[0042] Oil pump 405: Driven by electric motor 406, oil pump 405 pumps hydraulic oil out of oil tank and delivers hydraulic oil to hydraulic piston actuator 401 through hydraulic input pipeline 402.

[0043] The relief valve 404 is used to control the pressure of the hydraulic piston assembly 4 and prevent the hydraulic piston assembly 4 from being overpressurized. When the pressure of the hydraulic piston assembly 4 exceeds the set value, the relief valve 404 will open and allow the excess hydraulic oil to flow back to the oil tank.

[0044] Hydraulic oil is delivered to the hydraulic piston actuator 401 through the hydraulic input pipeline 402, which drives the piston to move and achieve linear reciprocating motion.

[0045] The solenoid directional valve 407 is used to control the flow direction of hydraulic oil. By energizing and de-energizing the electromagnet, the solenoid directional valve 407 can change the flow path of the oil, thereby controlling the direction of movement of the hydraulic piston.

[0046] Overall, the electric motor 406 drives the oil pump 405 to deliver hydraulic oil to the hydraulic piston actuator 401. The pressure is controlled by the relief valve 404, and the flow direction of the oil is controlled by the solenoid directional valve 407. The hydraulic oil pushes the hydraulic piston actuator 401 to achieve the predetermined mechanical action.

[0047] The electric motor 406 and the solenoid directional valve 407 are also connected to a drive control circuit. The drive control circuit can be controlled manually or automatically. When controlled manually, a wireless communication module can be set up to wirelessly connect to a mobile control terminal for control.

[0048] In automatic control, a laser rangefinder, camera, or pressure sensor can be installed on the pipe dredging device to automatically control the extension and retraction angle of the connecting main rod 8 based on the sensor signal.

[0049] The connecting main rod 8 is driven by the connecting secondary rod 6 to open outwards from the main shaft 2. The opened end is close to the direction of the downstream connecting ring 1, forming an umbrella-shaped structure with the main shaft 2 and the connecting secondary rod 6. The connecting main rod 8 realizes the unblocking of the pipeline.

[0050] When using, such as Figure 3 As shown, both the upstream connecting ring 12 and the downstream connecting ring 1 are connected to a traction rope 13. The traction ropes 13 connected to the upstream connecting ring 12 and the downstream connecting ring 1 are driven by the engineering vehicle 14 outside the pipeline, so as to drive the pipeline dredging device to move towards the downstream connecting ring 1.

[0051] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A pipe unblocking device with adjustable pipe diameter, characterized in that, The assembly includes an upstream connecting ring (12), a downstream connecting ring (1), a main shaft (2), a fixed top block (3), a hydraulic piston device (4), a slider (5), a connecting auxiliary rod (6), a connecting main rod (8), and an upper top block (11). The upstream connecting ring (12) and the downstream connecting ring (1) are fixedly connected to both ends of the main shaft (2). The fixed top block (3), the hydraulic piston device (4), the slider (5), and the upper top block (11) are sequentially sleeved on the main shaft (2). The fixed top block (3) and the upper top block (11) are both fixedly connected to the main shaft (2). The fixed end of the hydraulic piston device (4) is connected to the fixed top block (3), and the telescopic end is connected to the slider (5). One end of the connecting main rod (8) is rotatably connected to the upper top block (11). The two ends of the connecting auxiliary rod (6) are rotatably connected to the slider (5) and the connecting main rod (8), respectively.

2. The pipe-diameter adjustable pipe unblocking device according to claim 1, characterized in that, The upper top block (11) is located on the main shaft (2) at one end near the upstream connecting ring (12).

3. The pipe-diameter adjustable pipe unblocking device according to claim 1, characterized in that, The connecting auxiliary rod (6) is rotatably connected to the slider (5) and the connecting main rod (8) via the first fixed hinge (7).

4. The pipe-diameter adjustable pipe unblocking device according to claim 1, characterized in that, One end of the connecting main rod (8) is rotatably connected to the upper top block (11) via the second fixed hinge (9).

5. The pipe-diameter adjustable pipe unblocking device according to claim 1, characterized in that, Multiple connecting rods (6) are evenly arranged on the outer side of the slider (5), and the number of connecting rods (8) corresponds one-to-one with the number of connecting rods (6), and they are evenly distributed on the outer side of the upper top block (11).

6. The pipe-diameter adjustable pipe unblocking device according to claim 1, characterized in that, The hydraulic piston device (4) includes a hydraulic piston actuator (401) and a hydraulic piston drive mechanism. The hydraulic piston drive mechanism includes a hydraulic input line (402), a hydraulic output line (403), a relief valve (404), an oil pump (405), an electric motor (406), and a solenoid directional valve (407). The hydraulic input line (402) and the hydraulic output line (403) are respectively connected to the hydraulic piston actuator (401). The hydraulic input line (402) is divided into a branch line connected to the relief valve (404). The oil pump (405) is connected in series in the hydraulic input line (402). The oil pump (405) is driven by the electric motor (406). The hydraulic input line (402) and the hydraulic output line (403) are both connected to the solenoid directional valve (407).

7. A pipe-diameter adjustable pipe unblocking device according to claim 6, characterized in that, The electric motor (406) and the solenoid directional valve (407) are also connected to a drive control circuit.

8. A pipe-diameter adjustable pipe unblocking device according to claim 6, characterized in that, The slider (5) is fixed at the output end of the hydraulic piston actuator (401).

9. A pipe-diameter adjustable pipe unblocking device according to claim 1, characterized in that, The connecting main rod (8) is driven by the connecting secondary rod (6) to open outward from the main shaft (2), forming an umbrella-shaped structure between the main shaft (2) and the connecting secondary rod (6).

10. A pipe-diameter adjustable unblocking device according to claim 1, characterized in that, Both the upstream connecting ring (12) and the downstream connecting ring (1) are connected to traction ropes (13), and the traction ropes (13) connected to the upstream connecting ring (12) and the downstream connecting ring (1) are driven by engineering vehicles (14) outside the pipeline.

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