A cable conduit function conversion part

Abstract

The utility model discloses a cable duct function conversion part, including a special end face sealing head and a special joint for a seven-hole honeycomb tube; the special end face sealing heads are respectively arranged at both ends of the special joint for the seven-hole honeycomb tube, and the special joint for the seven-hole honeycomb tube is arranged inside the cable duct; the utility model solves the problem that the prior art cannot meet the long-distance placement and fixation requirements of communication pipes in the cable pipe holes.

Description

Technical Field

[0001] The utility model relates to the field of communication conduits, in particular to a cable conduit function conversion component. Background Art

[0002] With the increasing demand for electricity in cities, the power grid has been in a full-load state for a long time. In order to reduce accidents and improve power supply efficiency, it is particularly important to increase the construction of smart grids. At present, more system devices such as all-weather monitoring and fault alarm for cable operation are integrated into the construction of smart grids. The cable operation parameters are analyzed and summarized in real time, and the cable overload operation and fault sources and fault points are discovered in time. Operation regulation and fault point repair are carried out quickly, effectively improving the safe and stable operation of the cable. Therefore, a large number of communication lines such as data collection and data transmission of different monitoring and control systems are added to the power channel to realize real-time data transmission and real-time regulation of the dispatching center.

[0003] However, the communication needs of smart grids have put forward higher requirements on existing power channels. Since there are generally no reserved communication pipe holes in existing power channels, it is impossible to meet the needs of laying more communication optical cables. Re-excavation and laying of communication lines is not only costly, but also often faces many difficulties in actual operation. Therefore, we proposed an innovative solution-rationally utilizing the redundant resources of power channels and using the surplus cable pipe holes as communication pipe holes. However, since each section of the urban underground power channel is about 40 meters long and is squeezed and deformed by the soil layer all year round, the cable pipe has problems of dislocation and deformation. Traditional accessories cannot meet the needs of long-distance placement and fixation of communication pipes in cable pipe holes. In order to solve this problem, we proposed a special cable conduit to communication conduit accessory. This accessory is not only suitable for long-distance placement and fixation under multiple working conditions, but also can maximize the use of redundant resources of cable pipe holes, reduce construction difficulty and construction costs, and also help reduce environmental pollution.

[0004] The original intention of designing this utility model is to meet the above-mentioned needs. It can not only improve the communication capability of the smart grid, but also provide a more stable and reliable guarantee for the city's power supply.

[0005] Technical solution of prior art 1

[0006] In the multifunctional assembled power conduit or cast-in-place power conduit, the existing cable conduit is converted into a communication casing. Generally, three continuous plastic sub-pipes are laid in the cable conduit, and each sub-pipe is laid with a communication cable. In this way, one cable conduit can lay three communication cables.

[0007] Disadvantages of the prior art 1

[0008] Three sub-pipes can only lay three communication cables, and the common specifications of the inner diameter of the cable conduit hole are φ175 and φ200. Three sub-pipes cannot make full use of the space, resulting in waste.

[0009] During the installation of the cable conduit, there will be gaps between the conduits (gaps reserved to eliminate thermal expansion and contraction), or steps caused by incomplete concentricity during the installation process, or steps caused by the allowable deviation of the wall thickness during the conduit processing. The cross-section of the sub-pipe is a vertical section. During the conduit threading process, the sub-pipe is hindered by the raised steps at the joint of the cable conduit and cannot be threaded. Therefore, a larger space is required for the sub-pipe to be threaded. During on-site construction, only 3 sub-pipes can be installed inside the cable duct.

[0010] The sub-pipe will rotate during the process of threading (to avoid artificial twisting due to steps), causing the position of the communication cables at the entrance and exit to change. During maintenance, it is necessary to judge each one of them, which increases the workload of maintenance.

[0011] There is no measure to fix the sub-pipes to each other, so they are prone to sliding and displacement when subjected to external forces. For example, when the cables are threaded or repaired, external forces may cause the communication cables to stretch, shift and be damaged.

[0012] If PVC-U seven-hole honeycomb tube is directly used as communication casing, it cannot be guaranteed that the section or joint of the seven-hole honeycomb tube can smoothly pass through the joint step of the cable pipe during the pipe threading process, and it cannot be fixed. Utility Model Content

[0013] In order to solve the problems existing in the prior art, the utility model provides a cable conduit function conversion part, which cannot meet the long-distance placement and fixation requirements of communication pipes in cable pipe holes.

[0014] The technical solution adopted by the utility model is: a cable duct function conversion part, including a special end face sealing head and a special joint for a seven-hole honeycomb tube; the special end face sealing heads are respectively arranged at both ends of the special joint for the seven-hole honeycomb tube, and the special joint for the seven-hole honeycomb tube is arranged inside the cable duct.

[0015] Preferably, the seven-hole honeycomb tube special joint comprises a first joint reinforcement layer, a second joint reinforcement layer, a third joint reinforcement layer, reinforcement ribs, a seven-hole honeycomb tube limiting groove and a seven-hole honeycomb tube;

[0016] A first joint reinforcement layer is arranged on the top end surface of the seven-hole honeycomb tube, a third joint reinforcement layer is arranged on the bottom end surface of the seven-hole honeycomb tube, a second joint reinforcement layer is arranged between the first joint reinforcement layer and the third joint reinforcement layer, a seven-hole honeycomb tube limiting groove is arranged on the inner side of the seven-hole honeycomb tube, and axially uniformly distributed reinforcement ribs are arranged on the outer side of the special joint for the seven-hole honeycomb tube, and reinforcement rib chamfers are arranged on both sides of each reinforcement rib.

[0017] Preferably, the reinforcing ribs are provided with reinforcing rib chamfers on both sides so as to enable the reinforcing ribs to pass through the obstacles and enter the next section of the cable duct without getting stuck when encountering gaps or steps between the pipes during the pipe threading process.

[0018] Preferably, the end face dedicated plugging head comprises an end face, a seven-hole honeycomb tube stopper, a seven-hole honeycomb tube socket, a cable conduit stopper and a cable conduit socket;

[0019] A seven-hole honeycomb tube stop is arranged on the end face, a seven-hole honeycomb tube socket is arranged at the bottom of the seven-hole honeycomb tube stop, a cable duct stop is arranged at the bottom of the end face, a cable duct socket is arranged at the bottom of the cable duct stop, and a special end face plugging head is provided with reinforcing ribs in the axial direction.

[0020] Preferably, the stopper of the seven-hole honeycomb tube is used to prevent the seven-hole honeycomb tube from slipping in the axial direction, and the height of the stopper of the seven-hole honeycomb tube is the same as the outer wall thickness of the seven-hole honeycomb tube, so as to prevent obstruction to the installation of the communication cable.

[0021] The beneficial effects of the cable conduit function conversion member of the utility model are as follows:

[0022] 1. The converted communication conduit of the utility model has 7 sub-holes, which can lay 7 communication cables, making full use of the internal space of the conduit.

[0023] 2. The PVC-U seven-hole honeycomb tube has high strength and rigidity, and will not undergo rotational deformation. The inlet and outlet of the cable laying can correspond to each other, which is convenient for quick maintenance.

[0024] 3. The PVC-U seven-hole honeycomb tube is fixed to the cable conduit through a special joint for the seven-hole honeycomb tube and a special plugging head to prevent the PVC-U seven-hole honeycomb tube from slipping when subjected to external force, causing damage to the communication cable.

[0025] 4. In the special joint for PVC-U seven-hole honeycomb pipe, the axially evenly distributed reinforcement ribs are the key point of the special joint structure. They are much larger than the outer diameter of the end face, and the rounded design at both ends not only plays a supporting role, but also enables the PVC-U seven-hole honeycomb pipe to pass through the obstruction point at the cable conduit joint, so that it can be smoothly passed through the pipe.

[0026] 5. The key is the connection between the cable conduit socket and the cable conduit in the special plugging head for the end face of the PVC-U seven-hole honeycomb tube and the stop design to prevent the PVC-U seven-hole honeycomb tube from slipping in the axial direction. This can prevent the PVC-U seven-hole honeycomb tube from slipping axially and radially inside the cable conduit and causing damage to the communication cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is the external dimension diagram of the PVC-U seven-hole honeycomb tube in the prior art of the utility model.

[0028] Figure 2 This is a plug-in diagram of the utility model.

[0029] Figure 3 This is a diagram of a special joint for a seven-hole honeycomb tube of the present utility model.

[0030] Figure 4 The two sides of the reinforcing rib of the utility model are provided with rounded shapes.

[0031] Figure 5 This is a diagram of a special end face plugging head of the utility model.

[0032] Figure 6 The utility model shows a seven-hole honeycomb tube stopper, a seven-hole honeycomb tube socket, a cable conduit stopper, and a cable conduit socket.

[0033] Figure 7 This is a connection diagram of a special joint for a seven-hole honeycomb tube and a special end face plugging head of the utility model.

[0034] Figure 8 This is a connection diagram of the special joint for the seven-hole honeycomb tube, the special end face plugging head and the cable conduit of the utility model.

[0035] Figure markings: 1-1-first joint reinforcement layer, 1-2-second joint reinforcement layer, 1-3-third joint reinforcement layer, 2-reinforcement rib, 3-seven-hole honeycomb tube limiting groove, 4-seven-hole honeycomb tube, 5-end face, 6-seven-hole honeycomb tube stop, 7-seven-hole honeycomb tube socket, 8-cable duct stop, 9-cable duct socket, 10-cable duct, 11-reinforcement rib chamfer, 12-step. DETAILED DESCRIPTION

[0036] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0037] The specific implementation modes of the present invention are described below to facilitate the understanding of the present invention by those skilled in the art. However, it should be clear that the present invention is not limited to the scope of the specific implementation modes. For those skilled in the art, as long as various changes are within the spirit and scope of the present invention as defined and determined by the attached claims, these changes are obvious, and all inventions and creations utilizing the concept of the present invention are protected.

[0038] like Figure 2 As shown, a cable duct function conversion part includes a special end face sealing head, a special joint for a seven-hole honeycomb tube and a cable duct; the special end face sealing heads are respectively arranged at both ends of the special joint for the seven-hole honeycomb tube, and the special joint for the seven-hole honeycomb tube is arranged inside the cable duct.

[0039] like Figure 3As shown, the seven-hole honeycomb tube special joint of this embodiment includes a first joint reinforcement layer 1-1, a second joint reinforcement layer 1-2, a third joint reinforcement layer 1-3, a reinforcing rib 2, a seven-hole honeycomb tube limiting groove 3 and a seven-hole honeycomb tube 4;

[0040] A first joint reinforcement layer 1-1 is arranged on the top end surface of the seven-hole honeycomb tube 4, a third joint reinforcement layer 1-3 is arranged on the bottom end surface of the seven-hole honeycomb tube 4, a second joint reinforcement layer 1-2 is arranged between the first joint reinforcement layer 1-1 and the third joint reinforcement layer 1-3, a seven-hole honeycomb tube limiting groove 3 is arranged on the inner side of the seven-hole honeycomb tube 4, and axially uniformly distributed reinforcement ribs 2 are arranged on the outer side of the special joint for the seven-hole honeycomb tube, and both sides of each reinforcement rib 2 are chamfered.

[0041] The two sides of the reinforcing rib 2 of this embodiment are provided with chamfers, so as to enable the reinforcing rib 2 to pass through the obstacles and enter the next section of the cable duct without getting stuck when encountering gaps or steps between the pipes during the process of pushing the pipe through.

[0042] The end face special plugging head of this embodiment includes an end face 5, a seven-hole honeycomb tube stopper 6, a seven-hole honeycomb tube socket 7, a cable conduit stopper 8 and a cable conduit socket 9;

[0043] The end face 5 is provided with a seven-hole honeycomb tube stop 6, the bottom of which is provided with a seven-hole honeycomb tube socket 7, the bottom of the end face 5 is provided with a cable duct stop 8, the bottom of which is provided with a cable duct socket 9, and the end face special sealing head is provided with reinforcing ribs 2 in the axial direction.

[0044] The stopper 6 of the seven-hole honeycomb tube in this embodiment is used to prevent the seven-hole honeycomb tube from slipping in the axial direction. The height of the seven-hole honeycomb tube stopper 6 is the same as the outer wall thickness of the seven-hole honeycomb tube 4, which is used to prevent obstruction to the installation of the communication cable.

[0045] When this implementation plan is implemented,

[0046] The main purpose of the present invention is to effectively utilize the space resources of the pipe hole and insert more sub-pipes into the pipe hole so that more communication cables can be laid in one cable conduit. At the same time, the inlet and outlet positions of each communication cable are the same, which is convenient for troubleshooting and maintenance, and the communication conduit is fixed to prevent the communication cable from being damaged by external forces.

[0047] PVC-U seven-hole honeycomb pipe is a multi-hole integrated pipe for communication. It is characterized by high strength. The pipe contains 7 sub-holes, which saves space. At the same time, PVC-U seven-hole honeycomb pipe has high strength and good rigidity, and will not be twisted during use. The size of the seven-hole honeycomb (hexagonal) is as follows Figure 1 As shown:

[0048] The inner diameter of common cable ducts is 175mm and 200mm, and the outer dimensions of the PVC-U seven-hole honeycomb tube are 104mm×104mm. The inner diameter of the cable duct has enough space to install the PVC-U seven-hole honeycomb tube.

[0049] The current joint of the PVC-U seven-hole honeycomb pipe is shown in the figure. Two sections of PVC-U seven-hole honeycomb pipes are plugged and installed through the joint. The three parallel outer circles outside the joint mainly play the role of reinforcing ribs to improve the overall strength of the joint.

[0050] When using existing joints to thread the cable conduit, when the outer circle of the end face encounters the gap or step between the pipes during the advancement of the joint, the outer circle of the end face will be stuck, making it impossible to insert during the construction process.

[0051] The main contents of the invention are a special joint for passing a PVC-U seven-hole honeycomb tube through a cable conduit and a special plugging head for the end face of the tube.

[0052] like Figure 2 As shown, PVC-U seven-hole honeycomb pipe special joint

[0053] like Figure 3 As shown, both ends of the special joint for PVC-U seven-hole honeycomb pipe have a certain slope toward the center of the joint, and the PVC-U seven-hole honeycomb pipe is inserted inside. The PVC-U seven-hole honeycomb pipe can be fixed to the joint by PVC special glue.

[0054] There are three outer circles on the two end faces of the joint and the middle of the joint as the joint reinforcement layer, the outer side of the outer circle is provided with a chamfer, and the inner side of the joint is provided with a PVC-U seven-hole honeycomb tube limiting groove.

[0055] There are axially evenly distributed reinforcing ribs on the outside of the joint. Both sides of each reinforcing rib are rounded. The main functions of the axially evenly distributed reinforcing ribs are:

[0056] ⑴. Support the PVC-U seven-hole honeycomb tube near the center of the cable duct.

[0057] ⑵. The outer diameter of the axially uniformly distributed reinforcement ribs is much larger than the outer diameter of the end face outer circle. When the PVC-U seven-hole honeycomb tube with the upper joint is pushed inside the cable duct, it is the axially uniformly distributed reinforcement ribs rather than the outer circle of the end face that are in contact with the inner wall of the cable duct.

[0058] There are chamfers on both sides of the reinforcement ribs. When encountering gaps or steps between the pipes during the process of pushing through the pipes, the reinforcement ribs can pass through the obstacles and enter the next section of the cable conduit without getting stuck. Figure 4 As shown;

[0059] 2. Special plugging head for end face, such as Figure 5 and Figure 6As shown;

[0060] ⑴. The interior of the end face special plugging head has a certain slope, and the PVC-U seven-hole honeycomb tube is inserted and inserted inside. The PVC-U seven-hole honeycomb tube can be bonded and fixed to the end face special plugging head by PVC special glue.

[0061] ⑵. The end face special plugging head is provided with a reinforcing rib 2 in the axial direction, and one end of the reinforcing rib 2 is provided with a chamfer for reinforcement and guidance. The end face 5 is provided with a cable conduit stop for insertion and positioning of the cable conduit.

[0062] ⑶. After the end face special plugging head is installed on the cable conduit 10, it can be bonded and fixed to the cable conduit by special glue.

[0063] ⑷. A seven-hole honeycomb tube stopper is provided on the outer side where the end face special plugging head is connected to the PVC-U seven-hole honeycomb tube. The purpose is to prevent the PVC-U seven-hole honeycomb tube from slipping in the axial direction. The height of the stopper is the same as the outer wall thickness of the PVC-U seven-hole honeycomb tube 4, and will not hinder the installation of the communication cable.

[0064] like Figure 7 and Figure 8 As shown, after the PVC-U seven-hole honeycomb tube is installed in place inside the cable duct 10 through the PVC-U seven-hole honeycomb tube special joint, special end face plugging heads are installed at both ends of the PVC-U seven-hole honeycomb tube 4, the seven-hole honeycomb tube socket 7 is bonded and fixed to the PVC-U seven-hole honeycomb tube with 4 special glue, and the cable duct socket 9 is bonded and fixed to the cable duct 10 with special glue. In this way, the PVC-U seven-hole honeycomb tube 4 is fixed inside the cable duct 10 through the PVC-U seven-hole honeycomb tube special joint and the special end face plugging head, and the cable duct 10 is converted into a communication sleeve.

Claims

1. A cable duct function conversion component, characterized in that: It comprises a special end face plugging head and a special joint for a seven-hole honeycomb tube; the special end face plugging heads are respectively arranged at both ends of the special joint for a seven-hole honeycomb tube, and the special joint for a seven-hole honeycomb tube is arranged inside a cable conduit (10).

2. The cable duct function conversion component according to claim 1, characterized in that: The seven-hole honeycomb tube special joint comprises a first joint reinforcement layer (1-1), a second joint reinforcement layer (1-2), a third joint reinforcement layer (1-3), a reinforcement rib (2) and a seven-hole honeycomb tube limiting groove (3); A first joint reinforcement layer (1-1) is arranged on the top end surface of the special joint for seven-hole honeycomb tubes, a third joint reinforcement layer (1-3) is arranged on the bottom end surface of the special joint for seven-hole honeycomb tubes, a second joint reinforcement layer (1-2) is arranged between the first joint reinforcement layer (1-1) and the third joint reinforcement layer (1-3), a seven-hole honeycomb tube limiting groove (3) is arranged on the inner side of the special joint for seven-hole honeycomb tubes, and axially uniformly distributed reinforcement ribs (2) are arranged on the outer side of the special joint for seven-hole honeycomb tubes, and reinforcement rib chamfers are arranged on both sides of each reinforcement rib (2).

3. The cable duct function conversion member according to claim 2, characterized in that: The reinforcing rib (2) is provided with reinforcing rib chamfers (11) on both sides, so as to prevent the reinforcing rib from getting stuck when encountering a gap or step (12) between the pipes during the pipe insertion process.

4. The cable duct function conversion member according to claim 1, characterized in that: The end face special plugging head comprises an end face (5), a seven-hole honeycomb tube stopper (6), a seven-hole honeycomb tube socket (7), a cable conduit stopper (8) and a cable conduit socket (9); The end surface (5) is provided with a seven-hole honeycomb tube stop (6), the bottom of the seven-hole honeycomb tube stop (6) is provided with a seven-hole honeycomb tube socket (7), the bottom of the end surface (5) is provided with a cable conduit stop (8), the bottom of the cable conduit stop (8) is provided with a cable conduit socket (9), and the end surface dedicated plugging head is provided with reinforcing ribs (2) in the axial direction.

5. The cable duct function conversion component according to claim 4, characterized in that: The seven-hole honeycomb tube stop (6) is used to prevent the seven-hole honeycomb tube from slipping in the axial direction. The height of the seven-hole honeycomb tube stop (6) is the same as the thickness of the outer wall of the seven-hole honeycomb tube (4), so as to prevent obstruction to the installation of the communication cable.

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