Iron component for installing and fixing cable bridge

Abstract

The utility model relates to an iron member for installing and fixing a cable bridge, which comprises a cable bridge supporting part and a groove fixing part, the lower end of the groove fixing part is sleeved on the cable bridge supporting part and is fixedly connected with the cable bridge supporting part, and the upper end of the cable bridge supporting part is used for supporting and fixing the cable bridge. The groove fixing part comprises a threaded sleeve, two adjusting rods, two end connecting pieces and two abutting parts, and the two adjusting rods are inserted into the two ends of the threaded sleeve respectively and are in threaded connection with the threaded sleeve. According to the iron member for installing and fixing the cable bridge, the groove fixing part and the cable bridge supporting part are arranged in a matched mode, so that before the iron member for installing and fixing the cable bridge is used for supporting and installing the cable bridge, cable grooves with different widths can be placed and fixed in the iron member; and a pre-assembled piece does not need to be placed in the cable groove or drilling does not need to be carried out, so that the convenience of installation operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power engineering, in particular to an iron component used for installing and fixing a cable bridge. Background Art

[0002] For the installation of cable trays in cable trenches, the current traditional construction method is to pre-install embedded iron parts during the civil construction process, and then weld the bridge bracket to the embedded iron parts. However, this installation method is prone to the following problems:

[0003] During the construction of embedded iron parts of cable tray brackets, the embedded iron parts are easy to shift, which may easily lead to secondary rework for alignment. Welding is required during the installation of the bracket, and the construction difficulty is relatively large. In addition, after the embedded iron parts are installed, if the protective layer of concrete is too thick, it is difficult for construction workers to find the embedded parts and accurately position them. Even if they are found, part of the wall will be damaged, resulting in secondary plastering and repair of the wall, increasing construction costs.

[0004] The utility model patent with Chinese patent announcement number CN206834687U proposes an installation and fixing device for a cable tray. The installation and fixing device uses expansion bolts and C-shaped steel to install the cable tray, which eliminates the need for pre-embedded iron components during civil construction. The C-shaped steel is directly fixed with expansion bolts as a cable tray bracket according to the elevation position required by the design drawings.

[0005] However, the installation and fixing device of the above-mentioned cable tray still needs to drill holes on the inner wall of the cable groove to enter the expansion tube for installation, so that the installation and use of the installation and fixing device of this cable tray still has certain inconveniences. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The utility model provides an iron component for fixing and installing a cable bridge, which solves the problem that the installation of the iron component for fixing and installing a cable bridge in the prior art requires the use of embedded parts or drilling holes to buy expansion tubes, thus making its installation inconvenient.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an iron component for installing and fixing a cable tray, comprising a cable tray support part and a groove fixing part, the lower end of the groove fixing part is sleeved on the cable tray support part and fixedly connected thereto, the upper end of the cable tray support part is used to support and fix the cable tray, the groove fixing part comprises a threaded sleeve, two adjusting rods, two end connecting pieces and two abutting parts, the two adjusting rods are respectively inserted into the two ends of the threaded sleeve and threadedly connected thereto, the opposite ends of the two adjusting rods are respectively fixedly connected to the two end connecting pieces, each of the end connecting pieces is rotatably connected to adjacent abutting parts, and the length of the groove fixing part as a whole can be adjusted by utilizing the threaded fit between the two adjusting rods and the threaded sleeve.

[0010] Preferably, the adjusting rod comprises a threaded section and an inserting section, one end of the threaded section is threadedly connected to the threaded sleeve, and the other end of the threaded section is coaxially fixed to the inserting section.

[0011] In a further embodiment, the end connector includes a connecting tube and a lug, wherein an opening for clamping and fixing with the plug-in section is formed on a side of the connecting tube facing the adjusting rod, and the lug is formed on a side of the connecting tube facing away from the adjusting rod.

[0012] In a further preferred embodiment, the abutting portion comprises a backing plate, a connecting frame and a pin, wherein the connecting frame is formed on a side of the backing plate facing the end connecting piece, and the lug is inserted into a middle gap of the backing plate and is rotationally connected thereto by means of a pin.

[0013] It is further preferred that the cable tray support portion includes a steel section, a top of the steel section is formed with a plurality of connection grooves spaced along its length, the connection grooves penetrate the steel section, and the cable tray support portion also includes at least one bracket, which is used to fix the steel section support above the groove fixing portion.

[0014] It is further preferred that the bracket includes a support leg and a ring, the ring is sleeved on the outside of the threaded sleeve and fixedly connected thereto, the support leg is formed on the top of the ring, and the upper end of the support leg is fixedly connected to the steel section.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an iron component for installing and fixing a cable tray, which has the following beneficial effects:

[0017] In the utility model, through the coordinated arrangement of the groove fixing part and the cable tray supporting part, before using the iron structure used for cable tray installation and fixing to support the installation of the cable tray, cable grooves of different widths can be adapted to be placed and fixed inside it, and there is no need to place pre-installed parts or drill holes in the cable grooves, thereby improving the convenience of the installation operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of an iron member used for installation and fixation of a cable bridge according to the implementation plan;

[0019] Figure 2 is a schematic structural diagram of a cable tray support portion according to an implementation scheme;

[0020] Figure 3 is a schematic diagram of an exploded structure of a groove fixing portion according to an embodiment;

[0021] Figure 4 for Figure 3 Schematic diagram of the structure after the middle groove fixing part is assembled.

[0022] In the figure: 10, cable tray support portion; 11, steel section; 12, connecting groove; 13, bracket; 131, supporting leg; 132, collar; 20, groove fixing portion; 21, threaded sleeve; 22, adjusting rod; 221, threaded section; 222, plug-in section; 23, end connector; 231, connecting pipe; 232, lug; 24, abutment portion; 241, backing plate; 242, connecting frame; 243, pin shaft. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 , an iron component for cable tray installation and fixing, comprising a cable tray support part 10 and a groove fixing part 20. The lower end of the groove fixing part 20 is sleeved on the cable tray support part 10 and fixedly connected thereto, and the upper end of the cable tray support part 10 is used to support and fix the cable tray. The groove fixing part 20 can adjust its own length as a whole, so that the groove fixing part 20 can be adjusted to be clamped with the inner wall of the groove when it is placed in the cable groove, so that the device is fixed in the cable groove.

[0025] See also Figure 2The cable tray support part 10 includes a steel section 11 and at least one bracket 13. The top of the steel section 11 is formed with a plurality of connection grooves 12 spaced along the length direction thereof. The connection grooves 12 penetrate the steel section 11. The connection grooves 12 can be used to connect the steel section 11 and the cable tray using fasteners such as tie bands or bolts after the steel section 11 supports and places the cable tray. At least one bracket 13 is arranged below the steel section 11, and the bracket 13 is used to support and fix the steel section 11 above the groove fixing part 20. The bracket 13 includes a support leg 131 and a collar 132. The collar 132 is sleeved on the outside of the threaded sleeve 21 in the groove fixing part 20 and can be clamped therewith to complete the connection. The support leg 131 is formed on the top of the collar 132, and the upper end of the support leg 131 is fixedly connected to the steel section 11, so that the bracket 13 supports the steel section 11.

[0026] See also Figure 3 and Figure 4 The groove fixing part 20 includes a threaded sleeve 21, two adjusting rods 22, two end connectors 23 and two abutting parts 24. The two adjusting rods 22 are respectively inserted into the two ends of the threaded sleeve 21 and threadedly connected thereto, and the length of the groove fixing part 20 as a whole can be adjusted by the threaded fit between the two adjusting rods 22 and the threaded sleeve 21. The opposite ends of the two adjusting rods 22 are respectively fixedly connected to the two end connectors 23, each end connector 23 is rotatably connected to the adjacent abutting parts 24, and the end connector 23 is used to contact the inner wall of the cable groove. After the groove fixing part 20 is placed in the cable groove, its overall length can be adjusted according to the width of the cable groove, and the deflection angle of the end connector 23 can also be adjusted according to the inclination of the inner wall of the groove, so that the end connector 23 fits the inner wall of the groove and is clamped.

[0027] In this embodiment, the adjusting rod 22 includes a threaded section 221 and a plug-in section 222. One end of the threaded section 221 is threadedly connected to the threaded sleeve 21, and the other end of the threaded section 221 is coaxially fixed to the plug-in section 222. The end connector 23 includes a connecting pipe 231 and a lug 232. The connecting pipe 231 is formed with an opening on the side facing the adjusting rod 22, which is fixedly connected to the plug-in section 222, and the lug 232 is formed on the side of the connecting pipe 231 facing away from the adjusting rod 22. When the adjusting rod 22 is screwed in or out along the internal thread of the threaded sleeve 21, the end connector 23 can be driven to move simultaneously. The abutment portion 24 includes a support plate 241, a connecting frame 242 and a pin 243. The connecting frame 242 is formed on the side of the support plate 241 facing the end connecting piece 23, and the lug 232 is inserted into the middle gap of the support plate 241 and is rotatably connected thereto by means of a pin 243, thereby pushing the support plate 241 to deflect around the pin 243 as the rotation center and enabling it to fit in contact with the inner wall of the groove.

[0028] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described one by one here. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. An iron component for installing and fixing a cable tray, characterized in that: The invention comprises a cable tray support part (10) and a groove fixing part (20), wherein the lower end of the groove fixing part (20) is sleeved on the cable tray support part (10) and fixedly connected thereto, and the upper end of the cable tray support part (10) is used to support and fix the cable tray. The groove fixing portion (20) comprises a threaded sleeve (21), two adjusting rods (22), two end connecting pieces (23) and two abutting portions (24); the two adjusting rods (22) are respectively inserted into the two ends of the threaded sleeve (21) and are threadedly connected thereto; the opposite ends of the two adjusting rods (22) are respectively fixedly connected to the two end connecting pieces (23); each of the end connecting pieces (23) is rotatably connected to an adjacent abutting portion (24); and the length of the groove fixing portion (20) as a whole can be adjusted by utilizing the threaded fit between the two adjusting rods (22) and the threaded sleeve (21).

2. The iron component for installing and fixing a cable tray according to claim 1, characterized in that: The adjusting rod (22) comprises a threaded section (221) and an inserting section (222); one end of the threaded section (221) is threadedly connected to the threaded sleeve (21); and the other end of the threaded section (221) is coaxially fixed to the inserting section (222).

3. The iron component for installing and fixing a cable tray according to claim 2, characterized in that: The end connecting piece (23) comprises a connecting tube (231) and a lug (232); an opening for clamping and fixing with the plug-in section (222) is formed on a side of the connecting tube (231) facing the adjusting rod (22); and the lug (232) is formed on a side of the connecting tube (231) facing away from the adjusting rod (22).

4. The iron component for installing and fixing a cable tray according to claim 3, characterized in that: The abutting portion (24) comprises a supporting plate (241), a connecting frame (242) and a pin shaft (243); the connecting frame (242) is formed on one side of the supporting plate (241) facing the end connecting piece (23); the lug (232) is inserted into a middle gap of the supporting plate (241) and is rotatably connected thereto by means of the pin shaft (243).

5. An iron component for installing and fixing a cable tray according to any one of claims 1 to 4, characterized in that: The cable tray support portion (10) comprises a steel section (11), a top of the steel section (11) is formed with a plurality of connection grooves (12) spaced apart along its length direction, the connection grooves (12) penetrate the steel section (11), and the cable tray support portion (10) further comprises at least one bracket (13), the bracket (13) being used to support and fix the steel section (11) above the groove fixing portion (20).

6. The iron component for installing and fixing a cable tray according to claim 5, characterized in that: The bracket (13) comprises a supporting leg (131) and a collar (132), wherein the collar (132) is sleeved on the outside of the threaded sleeve (21) and is fixedly connected thereto, the supporting leg (131) is formed on the top of the collar (132), and the upper end of the supporting leg (131) is fixedly connected to the steel section (11).

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