Mounting channel end fixing structure

Abstract

The utility model discloses an installation channel end portion fixing structure comprising at least one connecting member main body, the connecting member main body is provided with at least one first through hole used for installing a cable protection pipe, and the peripheral side of the first through hole is provided with at least one installation hole. And at least one pulley assembly is arranged on the connecting component main body so as to slide on the inner wall of the mounting channel. According to the utility model, the structure is simple, and the ring body, such as a steel ring, is pre-embedded in the pipe joint of the mounting channel and is used for fixing the track, so that the stable operation of integral dragging can be ensured, and the problem that the joint between the pipe bodies of the mounting channel is not flat is solved; the main body of the connecting component can be made of an aluminum alloy material, a double-thread screw is preassembled at the mounting hole, and a pulley assembly is arranged, so that the distance between the cable protection pipes can be ensured to be constant, firm connection is realized, and the arrangement of the pulley assembly can reduce the resistance during dragging and effectively protect the integrity of the cable protection pipes.

Description

Technical Field

[0001] The utility model relates to the field of cable supports, and specifically designs an installation channel end fixing structure used in a tunnel or an installation channel. Background Art

[0002] With the continuous expansion and updating of the power grid, in order to adapt to the needs of the development of the power system, the voltage level of the urban power transmission line is constantly increasing, and the cross-section of the cable is also constantly increasing. Since the tunnel does not occupy the ground space and can be built in advance, it is well prepared for the future cable laying work, solves the problem of multiple construction and road damage, and is conducive to the improvement of the city appearance and environment. The design and application of power cable tunnels are increasing. Due to the requirements of high voltage and large cross-section cable transmission capacity, the cable is long, so it is necessary to obtain a structurally stable installation channel end fixing structure. Utility Model Content

[0003] In order to solve at least one of the above technical problems, the utility model provides a fixing structure for the end of an installation channel, including at least one connecting member body, the connecting member body is provided with at least one first through hole for installing a cable protection tube or a cable installation channel, at least one installation hole is provided around the first through hole, the connecting member body is provided with at least one pulley assembly, at least one of the pulley assemblies is slidably matched with a track on the inner wall of the installation channel. The pulley assemblies are provided with two and are symmetrically arranged, and the pulley assemblies include pulleys, which are truncated cone-shaped, and the cross-section decreases from the middle of the installation channel to the outside.

[0004] The connecting member body is provided with a second slot. The cable protection tube includes a first tube body and a second tube body, the diameter of the first tube body is larger than the diameter of the second tube body, the second slot is a partial circle, and the second tube body is clamped at the second slot.

[0005] A ring body is buried in the inner wall of the installation channel, and a track matched with the pulley assembly is installed on the ring body.

[0006] It also includes at least one crossbar, which is connected to the ring body to limit the sliding of the connecting member body.

[0007] The end of the cable protection tube is connected to a first flange head, and the first flange head cooperates with the mounting hole at the first through hole and is connected to the inner side surface of the connecting component body.

[0008] The second flange head is also included, the first flange head is matched with the mounting hole at the first through hole and connected to the outer side of the connecting member body. The mounting hole is connected with a double-headed screw, and the double-headed screw is matched with the connecting holes on the first flange head and the second flange head.

[0009] The first flange head is welded to the cable protection tube.

[0010] The first perforations are arranged in a staggered matrix to ensure an effective spacing.

[0011] The connecting member main body is provided with two, and is respectively arranged at the front and rear ends of the cable protection tube. The ring body is in an open ring shape.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the utility model has a simple structure, and a ring body, such as a steel ring, is embedded in the pipe section of the installation channel to fix the track, which can ensure the stable operation of the overall dragging to solve the problem of uneven connection between the pipe body and the pipe body of the installation channel; the main body of the connecting component can be made of aluminum alloy, and a double-headed screw is pre-installed at the installation hole, and a pulley assembly is set, which can ensure a certain distance between the cable protection tubes to achieve a firm connection. The setting of the pulley assembly can reduce the resistance during dragging and effectively protect the integrity of the cable protection tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the front view of the utility model;

[0014] Figure 2 This is a side view of the utility model after the cable protection tube is installed;

[0015] Figure 3 This is a schematic diagram of the utility model being put into use;

[0016] Figure 4 A stereogram of the installation channel;

[0017] Reference numerals:

[0018] 1 connecting member body; 101 first through hole; 102 mounting hole; 103 second slot;

[0019] 2 installation channels;

[0020] 3 cable protection tube; 301 first tube body; 302 second tube body; 303 first flange head; 304 second flange head;

[0021] 4 rings; 5 orbits;

[0022] 6 pulley; 7 limit ring; 8 rotating shaft. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present invention and to more clearly define the scope of protection claimed by the present invention, the present invention is described in detail below with respect to certain specific embodiments of the present invention. It should be noted that the following are only certain specific implementation methods of the present invention, which are only part of the embodiments of the present invention, and the specific and direct description of the relevant structures is only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of implementation of the present invention.

[0024] Referring to the accompanying drawings, the utility model adopts the following technical solution: a fixing structure for the end of an installation channel, comprising at least one connecting component body 1, the connecting component body 1 is provided with at least one first through-hole 101 for installing a cable protection tube 3 or a cable installation channel, at least one installation hole 102 is provided around the first through-hole 101, the connecting component body 1 is provided with at least one pulley assembly, and at least one of the pulley assemblies is slidably matched with a track on the inner wall of the installation channel 2.

[0025] The connecting member body 1 has a second slot 103 around its periphery. The cable protection tube 3 includes a first tube body and a second tube body 302 . The diameter of the first tube body is larger than that of the second tube body 302 . The second slot 103 is partially circular and the second tube body 302 is clamped in the second slot 103 .

[0026] The first pipe body and the second pipe body 302 are MPP pipes, and the flange heads of the MPP pipes are installed and connected to the connecting component body 1 by bolts.

[0027] A ring body 4 is embedded in the inner wall of the installation channel 2, and a track 5 matched with the pulley assembly is installed on the ring body 4.

[0028] It also includes at least one crossbar, which is connected to the ring body 4 to limit the sliding of the connecting member body 1.

[0029] The end of the cable protection tube 3 is connected to the first flange head 303 , and the first flange head 303 cooperates with the mounting hole 102 at the first through hole 101 and is connected to the inner side surface of the connecting component body 1 .

[0030] The second flange head 304 is also included. The first flange head 303 cooperates with the mounting hole 102 at the first through hole 101 to be connected to the outer side of the connecting member body 1. The mounting hole 102 is connected with a double-headed screw, which cooperates with the connecting holes on the first flange head 303 and the second flange head 304.

[0031] The first flange head 303 is welded to the cable protection tube 3 .

[0032] The first perforations 101 are arranged in a staggered matrix to ensure effective spacing, that is, the relative spacing of the cable protection tubes 3 is fixed, and there is no relative movement through the positioning bolts of the intermediate connecting frame, which can ensure the relative distance after the cable laying process.

[0033] The connecting member main body 1 is provided with two, and is respectively arranged at the front and rear ends of the cable protection tube 3. The ring body 4 is in an open ring shape.

[0034] There are two pulley assemblies, which are symmetrically arranged. The pulley assembly includes a pulley 6, which is in the shape of a truncated cone, and the cross-section decreases gradually from the middle of the installation channel 2 to the outside. When the utility model moves in the tunnel or the installation channel 2, a winch can be set at the other end, and the winch provides power to pull and move the connecting component body 1 of the utility model; because the tunnel or the installation channel 2 is a circular structure, the utility model can ensure that the pulley assembly of the utility model keeps running along the center line of the tunnel during the installation process under the action of the combined force formed by the deadweight and traction force.

[0035] The bottom of the truncated cone-shaped pulley 6 is fixed with a limiting ring 7 to match the track 5; Figure 3 As shown, it includes a mounting member fixed at the bottom of the connecting member body 1, and rotating shafts 8 are formed on both sides of the pulley 6, and the rotating shafts 8 are placed on the mounting member.

[0036] Before the utility model is used for traction by a winch, unfavorable factors in the tunnel, such as joint gaps, sand and gravel accumulation, and convex or concave defects of the tunnel wall are checked and cleaned or repaired to prevent the pipe joint gaps from getting stuck in the pulley 6 structure of the utility model, or the sand and gravel accumulation from getting stuck in the connecting member body 1.

[0037] The installation channel may be a tunnel or a pipeline, etc.

[0038] Compared with the prior art, the beneficial effects of the utility model are: the utility model has a simple structure, and a ring body 4, such as a steel ring, is embedded in the pipe section of the installation channel 2 to fix the track 5, which can ensure the stable operation of the overall dragging to solve the problem of uneven connection between the pipe body and the pipe body of the installation channel 2; the connecting component body 1 can be made of aluminum alloy, and a double-headed screw is pre-installed at the installation hole 102, and a pulley assembly is set, which can ensure a certain distance between the cable protection tubes 3 to achieve a firm connection. The setting of the pulley assembly can reduce the resistance during dragging and effectively protect the integrity of the cable protection tube 3.

[0039] The above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A mounting channel end fixing structure, characterized in that: The invention comprises at least one connecting member body (1), the connecting member body (1) being provided with at least one first through hole (101) for installing a cable protection tube (3) or a cable installation channel, at least one installation hole (102) being provided around the first through hole (101), and at least one pulley assembly being provided on the connecting member body (1), and at least one pulley assembly being slidably matched with a track on the inner wall of the installation channel (2).

2. The mounting channel end fixing structure according to claim 1, characterized in that: A second slot (103) is provided on the circumference of the connecting component body (1).

3. The mounting channel end fixing structure according to claim 1, characterized in that: A ring body (4) is embedded in the inner wall of the installation channel (2), and a track (5) matched with the pulley assembly is installed on the ring body (4).

4. The mounting channel end fixing structure according to claim 1, characterized in that: It also comprises at least one crossbar, which is connected to the ring body (4) to limit the sliding of the connecting member body (1).

5. The mounting channel end fixing structure according to claim 1, characterized in that: The end of the cable protection tube (3) is connected to a first flange head (303), and the first flange head (303) cooperates with the mounting hole (102) at the first through hole (101) to be connected to the inner side surface of the connecting component body (1).

6. The mounting channel end fixing structure according to claim 1 or 5, characterized in that: It also includes a second flange head (304), and the first flange head (303) cooperates with the mounting hole (102) at the first through hole (101) to be connected to the outer side surface of the connecting component body (1).

7. The mounting channel end fixing structure according to claim 6, characterized in that: The mounting hole (102) is connected to a double-headed screw, and the double-headed screw matches the connection holes on the first flange head (303) and the second flange head (304).

8. The mounting channel end fixing structure according to claim 1, characterized in that: The first perforations (101) are arranged in a staggered matrix.

9. The mounting channel end fixing structure according to claim 1, characterized in that: The connecting component main body (1) is provided with two, which are respectively arranged at the front and rear ends of the cable protection tube (3).

10. The mounting channel end fixing structure according to claim 1, characterized in that: The pulley assemblies are provided with two and are symmetrically arranged. The pulley assemblies include a pulley (6) which is truncated cone-shaped and has a cross section that decreases gradually from the middle of the installation channel (2) to the outside.

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