Cable dressing device

Abstract

The utility model provides a kind of cable line device of threading and installing, it is used to install cable line in protection pipe, it includes connecting pipe, tow rope, air blower with air outlet and bag with bag mouth, one end of the connecting pipe is connected with protection pipe, the other end of the connecting pipe is adapted with the air outlet of air blower;The bag mouth is placed in connecting pipe, the remaining part position of the bag mouth is in the protection pipe except the bag, the bag mouth of the bag is set towards the air outlet of air blower;When air blower sends air from the bag mouth to bag, bag mouth expands and contacts with the inner wall of protection pipe;One end of the tow rope is connected with bag mouth, the other end of the tow rope is connected with cable line after being drawn out from the connecting pipe.The utility model adopts the mode of air blowing bag displacement, can efficiently realize that tow rope is accurately and quickly threaded into protection pipe, and only one person can be skilled in operation, greatly reduces manpower demand.

Description

Technical Field

[0001] This utility model relates to the field of cable construction technology, and in particular to a cable installation device. Background Technology

[0002] With the rapid development of renewable energy, wind power, as a clean energy source, has been widely used. The collector lines of wind farms, as a crucial component connecting wind turbines to the power grid, directly impact the overall operational performance and economic benefits of the wind farm through their construction quality and efficiency. Traditional open-cut construction methods have many limitations in collector line construction, such as long construction periods, significant environmental damage, and high costs. Horizontal directional drilling (HDD) technology, with its high efficiency, environmental friendliness, and cost-effectiveness, has been widely adopted in the trenchless field of wind farms. However, the construction length of this technology is limited by the cable conduit installation techniques.

[0003] HDD is a relatively advanced trenchless construction technology, such as Figure 1 As shown, without digging trenches on the surface, working pits 10 are first excavated at both ends of a 30mm underground section. One working pit 10 serves as the drill inlet 101, and the other as the drill outlet 102. A drilling rig (not shown) is used to drill a guide hole at the drill inlet 101. Then, through steps such as hole enlargement and pipe pullback, the protective conduit for the cable is laid. Wind farm power collection lines generally use MPP (modified polypropylene) pipes as protective conduits for cables and optical fibers. After the protective conduit is buried, a cable puller is generally used to thread a traction wire through the protective conduit. The traction wire is connected to the cable. After the traction wire passes through the protective conduit, it is connected to a steel wire rope. Mechanical equipment is used to pull the steel wire rope to pull the cable, allowing the cable to pass through the protective conduit. This method has the following problems: the cable puller is relatively bulky, requiring more than two construction workers to complete the task; the cable puller has low working efficiency; and the threading length is limited, generally needing to be controlled within 300m. Utility Model Content

[0004] The purpose of this invention is to provide a cable threading device that can quickly thread a traction rope, thereby improving cable installation efficiency.

[0005] The technical solution of this utility model is: a cable threading device, including a connecting pipe, a traction rope, a blower with an air outlet, and a bag with a bag opening. One end of the connecting pipe is connected to a protective pipe, and the other end of the connecting pipe is adapted to the air outlet of the blower. The bag opening is placed in the connecting pipe, and the remaining part of the bag except for the bag opening is placed in the protective pipe, with the bag opening facing the air outlet of the blower. When the blower blows air into the bag from the bag opening, the bag opening expands and contacts the inner wall of the protective pipe. One end of the traction rope is connected to the bag opening, and the other end of the traction rope passes through the connecting pipe and is connected to the cable.

[0006] Preferably, the tapered tube of the connecting pipe has a first port at the large diameter end and a second port at the small diameter end. The first port is connected to the protective tube, and the air outlet of the blower is fitted into the second port.

[0007] Preferably, the bag is a plastic bag.

[0008] Preferably, the connecting pipe is a plastic pipe.

[0009] Preferably, the blower is a handheld blower.

[0010] Compared with related technologies, the beneficial effects of this utility model are as follows:

[0011] I. This utility model uses the method of displacing the bag by blowing it with wind, which can efficiently and accurately and quickly thread the traction rope into the protective tube, and only one person is needed to operate it skillfully, which greatly reduces the manpower required.

[0012] Second, this utility model can quickly thread the traction rope using a blower, which is easy to operate and maintain, and the required materials are inexpensive and economical.

[0013] Third, this utility model significantly improves work efficiency, greatly shortens the construction cycle, effectively reduces construction costs, and provides a strong guarantee for the smooth progress of the project. Attached Figure Description

[0014] Figure 1 Schematic diagram of underground cable laying

[0015] Figure 2 The present invention provides a schematic diagram of the structure of the cable-inserting device with the protective tube partially cut off, the protective tube, the connecting tube, and the blower disassembled.

[0016] In the attached diagram: 1. Protective tube; 2. Connecting tube; 21. First pipe opening; 22. Second pipe opening; 3. Traction rope; 4. Blower; 41. Air outlet; 5. Bag; 51. Bag opening. Detailed Implementation

[0017] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other. For ease of description, the terms "upper," "lower," "left," and "right" appearing below only indicate that they correspond to the upper, lower, left, and right directions in the accompanying drawings and do not limit the structure.

[0018] like Figure 2As shown, this embodiment provides a cable threading device for installing a cable (not shown) into a protective pipe 1. The protective pipe 1 is laid underground. The cable threading device includes a connecting pipe 2, a traction rope 3, a blower 4, and a bag 5. The connecting pipe 2 is a tapered tube with a first opening 21 at a large diameter end and a second opening 22 at a small diameter end. The first opening 21 is connected to the protective pipe 1. The connecting pipe 2 is made of plastic, which saves costs and facilitates replacement. The tapered structure of the connecting pipe 2 can concentrate wind power, allowing the bag 5 and the traction rope 3 to be threaded quickly using wind force.

[0019] The bag 5 is a thin-film plastic bag, with an opening 51 at one end facing the second pipe opening 22. The blower 4 is a handheld blower with an air outlet 41. In use, the air outlet 41 is inserted into the second pipe opening 22. The thin-film plastic bag expands rapidly when exposed to air and adheres to the inner wall of the protective tube 1, ensuring that the airflow from the blower 4 is fully concentrated in the bag 5.

[0020] One end of the traction rope 3 is connected to the bag opening 51, and the other end of the traction rope 3 passes through the connecting tube 2 and is connected to the cable.

[0021] In use, first fix one end of the traction rope 3 to the bag opening 51; then place the bag 5 into the protective tube 1, leaving the bag opening 51 exposed. Next, install a connecting pipe 2 at the opening of the protective tube 1, placing the bag opening 51 inside the protective tube 1; pass the traction rope 3 through the connecting pipe 2; then insert the air outlet 41 of the blower 4 into the second pipe opening 22; start the blower 4 to deliver air; air enters the bag 5 from the bag opening 51, causing the bag 5 to inflate and move along the protective tube 1 with the help of air pressure until the bag 5 pulls the traction rope 3 out from the other end of the protective tube 1; then disassemble the bag 5, connect the traction rope 3 to the wire rope (not shown), attach the wire rope to the mechanical equipment, start the mechanical equipment, and drag the wire rope, traction rope 3, and the cable connected to the other end of the traction rope 3 until the cable emerges, completing the cable installation. The traction rope 3 is selected as a lightweight and strong rope to be quickly propelled forward by the bag 5.

[0022] This invention utilizes the fact that the bag 5 can expand rapidly when subjected to wind pressure and come into contact with the wall of the protective tube 1 to form a seal. This seal can further increase the wind pressure and enable rapid dressing.

[0023] This invention utilizes the lightweight nature of the bag 5 and the smooth wall of the protective tube 1, requiring only a small amount of air pressure to propel the bag 5 forward, thus achieving more effortless dressing.

[0024] This utility model utilizes a tapered connecting pipe 2 to connect the blower 4 and the protective pipe 1, so that a sealed air duct is formed between the air outlet 41 and the protective pipe 1, reducing air pressure loss.

[0025] This invention achieves the goal of quickly and efficiently threading the traction rope into the protective tube through innovative technical means. Compared with traditional methods, it eliminates the need for bulky auxiliary equipment and multiple people working together; a single person can easily complete the operation. This improvement not only simplifies the workflow but also significantly enhances work efficiency, effectively solving the previous problem of low efficiency caused by bulky equipment and a large number of personnel.

[0026] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A cable installation device for installing cables in a protective conduit, characterized in that, The device includes a connecting pipe, a traction rope, a blower with an air outlet, and a bag with a bag opening. One end of the connecting pipe is connected to a protective pipe, and the other end of the connecting pipe is adapted to the air outlet of the blower. The bag opening is placed in the connecting pipe, and the remaining part of the bag except for the bag opening is placed in the protective pipe, with the bag opening facing the air outlet of the blower. When the blower blows air into the bag from the bag opening, the bag opening expands and contacts the inner wall of the protective pipe. One end of the traction rope is connected to the bag opening, and the other end of the traction rope passes through the connecting pipe and is connected to an electric cable.

2. The cable threading device of claim 1, wherein, The tapered tube of the connecting pipe has a first port at the large diameter end and a second port at the small diameter end. The first port is connected to the protective tube, and the air outlet of the blower is fitted into the second port.

3. The cable threading device of claim 1, wherein, The bag is a plastic bag.

4. The cable threading device of claim 1, wherein, The connecting pipe is a plastic pipe.

5. The cable routing device of claim 1, wherein, The blower is a handheld blower.

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