Ladder type cable bridge convenient to overhaul

By adopting a detachable connector design in the ladder-type cable tray, the problem of the inability to replace the connecting rods is solved, enabling convenient replacement and stability of the connectors, and improving the service life and maintenance efficiency of the ladder-type cable tray.

CN223487742UActive Publication Date: 2025-10-28JIANGSU GOME STEEL NETWORK BRIDGE CO LTD
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Patent Information

Application Number
CN202421938582.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-10-28
Estimated Expiration
2034-08-12

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Abstract

The utility model relates to the technical field of cable bridges, in particular to a ladder type cable bridge convenient to overhaul, which comprises a bridge body, the bridge body comprises two oppositely arranged side plates, and a plurality of equidistantly distributed guide connection plates are arranged on the inner side end surfaces of the side plates. The end faces of the inner sides of the bottoms of the side plates are provided with extension plates extending in the length direction of the side plates, the end faces of the tops of the extension plates are provided with fastening columns corresponding to the guide connection plates one to one, and a plurality of detachably-arranged connecting pieces are arranged between the two side plates. Therefore, the connecting pieces can be replaced when damaged, the service life of the ladder type cable bridge is greatly prolonged, the applicability of the ladder type cable bridge is greatly improved, meanwhile, the connecting pieces are convenient to replace, and the maintenance efficiency of workers is greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of cable tray technology, and specifically to a ladder-type cable tray that is easy to maintain. Background Technology

[0002] Cable trays are available in various structures, including trough type, tray type, ladder type, and mesh type, and consist of supports, brackets, and installation accessories. Cable trays inside buildings can be installed independently or attached to various building structures and pipe rack supports. They should feature simple structure, aesthetically pleasing appearance, flexible configuration, and convenient maintenance. All parts must be galvanized. For cable trays installed outdoors, especially near the sea or in corrosive areas, the material must possess properties such as corrosion resistance, moisture resistance, good adhesion, and high impact resistance.

[0003] The connecting rods in the middle of the existing ladder-type cable trays are usually placed on the side plates on both sides and then fixed by welding. As a result, the connecting rods cannot be replaced after being damaged by long-term use, which greatly reduces the service life of the ladder-type cable trays and the convenience of maintenance. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by providing a ladder-type cable tray that is easy to maintain. This solves the problem that the connecting rods in the middle of existing ladder-type cable trays are usually placed on the side plates on both sides and then fixed by welding. As a result, the connecting rods cannot be replaced after being damaged over a long period of use, which greatly reduces the service life of the ladder-type cable tray and the convenience of maintenance.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A ladder-type cable tray that is easy to maintain includes a tray body. The tray body includes two oppositely arranged side plates. A plurality of equally spaced guide plates are provided on the inner end face of the side plates. An extension plate extending along the length direction of the side plates is provided on the bottom inner end face of the side plates. A fastening post corresponding to the guide plate is provided on the top end face of the extension plate. A plurality of detachable connectors are provided between the two side plates.

[0007] The connector includes a crossbeam, on both sides of the bottom end face of the crossbeam are symmetrically provided fastening grooves for fastening posts to be inserted, a first fastening half post is provided on the crossbeam inside the fastening groove, and mounting posts are symmetrically provided on both sides of the top of the crossbeam. A guide groove that matches the guide plate is provided on the outer end face of the mounting post.

[0008] As a preferred technical solution of this utility model, the bottom end face of the extension plate is provided with a connector installed between the two side plates to form a second fastening half column with the first fastening half column, and a fastening nut is screwed onto the fastening thread column.

[0009] As a preferred technical solution of this utility model, a connecting groove is provided on the top end face of the fastening column, a reinforcing column is provided in the connecting groove, a connecting column that fits into the connecting groove is provided in the fastening groove, and a reinforcing groove that matches the reinforcing column is provided in the connecting column.

[0010] As a preferred technical solution of this utility model, the crossbeam and the two mounting columns are integrally formed into a U-shaped structure.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] When a connector is damaged and needs replacement, loosen the fastening nut screwed onto the fastening threaded post to disassemble it, allowing the connector to be removed from between the two side plates. Then, replace the damaged connector with a new one, aligning the guide groove on the connector with the guide plate on the side plate and inserting it. When the guide plate is inserted to the bottom of the guide groove, the fastening post on the extension plate is inserted into the fastening groove on the crossarm, allowing the connecting post in the fastening groove to naturally insert into the connecting groove within the fastening post. Simultaneously, the reinforcing post in the connecting groove is inserted into the reinforcing groove within the connecting post for fixation. At this point, the first fastening half-post on the connector and the second fastening half-post on the extension plate form a fastening threaded post. Screw the fastening nut onto the fastening threaded post, thus securely installing the connector between the two side plates. This invention, through the detachable connection between the connector and the two side plates, allows for replacement when the connector is damaged, greatly improving the service life and applicability of the ladder-type cable tray. Furthermore, the convenient replacement of the connector significantly improves the maintenance efficiency for workers. Attached Figure Description

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the side plate of this utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the connector of this utility model;

[0016] In the diagram: 1. Side plate; 2. Extension plate; 3. Guide plate; 4. Fastening post; 5. Reinforcing post; 6. Connecting groove; 7. Connecting piece; 71. Crossbeam; 72. Fastening groove; 73. Connecting post; 74. Reinforcing groove; 75. Mounting post; 76. Guide groove; 77. First fastening half post; 8. Fastening nut; 9. Second fastening half post. Detailed Implementation

[0017] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0018] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] Example

[0020] This utility model provides a ladder-type cable tray that is easy to maintain. (Reference) Figure 1-3 As shown, the cable tray includes a main body, which comprises two opposing side plates 1. Several equally spaced and vertically arranged guide plates 3 are provided on the inner end faces of the side plates 1. The guide plates 3 have a trapezoidal structure. An extension plate 2 extending along the length of the side plate 1 is provided on the bottom inner end face of the side plate 1. Fastening posts 4 corresponding to the guide plates 3 are provided on the top end face of the extension plate 2. Several detachable connectors 7 are provided between the two side plates 1. The detachable connection between the connectors 7 and the two side plates 1 allows for replacement when the connectors 7 are damaged, greatly improving the service life and applicability of the ladder-type cable tray.

[0021] Furthermore, a connector 7 is provided on the bottom end face of the extension plate 2, which is installed between the two side plates 1 and combined with the first fastening half column 77 to form a fastening threaded column, and a fastening nut 8 located at the bottom of the extension plate 2 is screwed onto the fastening threaded column. The fastening threaded column formed by the first fastening half column 77 and the second fastening half column 9 and the fastening nut 8 improve the stability of the connection between the two side plates 1 and the connector 7.

[0022] refer to Figure 3As shown, the connector 7 includes a crossbeam 71. The bottom end face of the crossbeam 71 has symmetrically arranged fastening grooves 72 for inserting fastening posts 4. A first fastening half-post 77 is provided on the crossbeam 71 inside the fastening grooves 72. The top two sides of the crossbeam 71 have symmetrically arranged mounting posts 75 parallel to the side plates 1. The two mounting posts 75 and the crossbeam 71 form an integral U-shaped structure, thereby improving the overall strength and service life of the connector 7. The outer end face of the mounting post 75 has a guide groove 76 that fits with the guide plate 3. Through the arrangement of the guide groove 76 and the guide plate 3, the connector 7 is initially fixedly connected to the two side plates 1, improving the connection strength between the connector 7 and the two side plates 1.

[0023] Furthermore, a cross-shaped connecting groove 6 is provided on the top end face of the fastening post 4, and a cylindrical reinforcing post 5 is provided in the connecting groove 6. A connecting post 73 that fits into the connecting groove 6 is provided in the fastening groove 72, and a reinforcing groove 74 that matches the reinforcing post 5 is provided in the connecting post 73. Through the arrangement of the reinforcing groove 74 and the reinforcing post 5 and the connecting groove 6 and the connecting post 73, the connection strength between the connector 7 and the two side plates 1 is further improved.

[0024] The working principle of this utility model is as follows:

[0025] When connector 7 is damaged and needs to be replaced, loosen the fastening nut 8 screwed onto the fastening threaded post to disassemble it, so that connector 7 can be disassembled between the two side plates 1. Then replace the new connector 7 with the damaged connector 7. Align the guide groove 76 on connector 7 with the guide plate 3 on the side plate 1 and insert it. When the guide plate 3 is inserted to the bottom of the guide groove 76, the fastening post 4 on the extension plate 2 is inserted into the fastening groove 72 on the crossbeam 71, so that the connecting post 73 in the fastening groove 72 is inserted into the connecting groove 6 in the fastening post 4. At the same time, the reinforcing post 5 in the connecting groove 6 is inserted into the reinforcing groove 74 in the connecting post 73 for fixation. At this time, the first fastening half post 77 on connector 7 and the second fastening half post 9 on extension plate 2 form a fastening threaded post. Screw the fastening nut 8 onto the fastening threaded post, so that connector 7 is firmly installed between the two side plates 1. This utility model features a detachable connection between the connector 7 and the two side plates 1, which allows the connector 7 to be replaced when damaged, greatly improving the service life and applicability of the ladder-type cable tray. At the same time, the connector 7 is easy to replace, which greatly improves the maintenance efficiency of the staff.

[0026] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0027] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A ladder-type cable tray with convenient maintenance, comprising a tray body, characterized in that: The cable tray body includes two oppositely arranged side plates (1), and a number of equally distributed guide plates (3) are provided on the inner end face of the side plate (1). An extension plate (2) extending along the length direction of the side plate (1) is provided on the bottom inner end face of the side plate (1). A fastening post (4) corresponding to the guide plate (3) is provided on the top end face of the extension plate (2). A number of detachable connectors (7) are provided between the two side plates (1). The connector (7) includes a crossbeam (71). The bottom end face of the crossbeam (71) is symmetrically provided with fastening grooves (72) for fastening posts (4) to be inserted. The crossbeam (71) inside the fastening groove (72) is provided with a first fastening half post (77). The top end face of the crossbeam (71) is symmetrically provided with mounting posts (75). The outer end face of the mounting post (75) is provided with a guide groove (76) that matches the guide plate (3).

2. The ladder-type cable tray with convenient maintenance according to claim 1, characterized in that: The extension plate (2) has a connector (7) installed between the two side plates (1) and combined with the first fastening half column (77) to form a second fastening half column (9) with a fastening threaded column. A fastening nut (8) is screwed onto the fastening threaded column.

3. The ladder-type cable tray with convenient maintenance according to claim 1, characterized in that: The fastening post (4) has a connecting groove (6) on its top end face. The connecting groove (6) has a reinforcing post (5) inside it. The fastening groove (72) has a connecting post (73) that fits into the connecting groove (6). The connecting post (73) has a reinforcing groove (74) that matches the reinforcing post (5) inside it.

4. The ladder-type cable tray with convenient maintenance according to claim 1, characterized in that: The crossarm (71) and the two mounting columns (75) are integrally formed U-shaped structures.