Assembly type cable trench device

Through the splicing of precast concrete components and pulley track design of the prefabricated cable trench device, the problems of poor quality and slow progress in the construction of existing cable trenches are solved, rapid installation and efficient drainage are achieved, and construction costs are reduced.

CN223256052UActive Publication Date: 2025-08-22CHINA CONSTRUCTION POWER & ENVIRONMENT ENGINEERING CO LTD
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Patent Information

Application Number
CN202422627690.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-08-22
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

During the construction of existing cable trenches, on-site binding of steel bars and supporting form reinforcement result in poor quality of concrete products, slow construction progress, high cost, and poor drainage effect.

Method used

The prefabricated cable trench device is adopted, and the prefabricated concrete components are spliced, combined with bolt connections and pulley track design, to achieve rapid installation and drainage functions.

Benefits of technology

It improves the quality of finished cable trench products, reduces labor and material waste, shortens construction period, reduces costs, and improves drainage effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an assembly type cable trench device, which comprises a first prefabricated concrete member, a second prefabricated concrete member and a cable trench cover plate, and is characterized in that the first prefabricated concrete member and the second prefabricated concrete member are spliced through bolts to form a cable trench; the cable trench cover plate is installed on the cable trench through the movable hanging ring. The first precast concrete member and the second precast concrete member are both U-shaped grooves, and threaded holes for mounting the movable hanging rings are formed in the top surfaces of two side plates of the U-shaped grooves; the first groove of the first prefabricated concrete member and the second groove of the second prefabricated concrete member are embedded on the side face to form a male-female staggered splicing seam, holes used for installing the bolts are formed in the corresponding positions of the first groove and the second groove respectively, and rubber water stop pieces are further arranged on the first groove and the second groove respectively. The whole prefabricated concrete member can be prefabricated in a plant and directly hoisted on site, the reinforcing process is simple, manpower can be greatly reduced, and the construction period can be shortened.
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Description

Technical Field

[0001] The utility model relates to the field of power cable construction, in particular to a fast-installed cable trench device. Background Art

[0002] The existing cable trenches were reinforced with on-site steel tying, formwork support, and cast-in-place concrete. However, due to limitations in the construction surface and the workers' skill level, the quality of the finished concrete after formwork removal could not be guaranteed. Furthermore, the trench floor was uneven, preventing effective drainage. The long construction period and severe quality defects led to increased construction costs and wasted manual chiseling and repair work. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide an assembled cable trench device which reduces construction costs and can be constructed quickly.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] An assembled cable trench device includes a first precast concrete component, a second precast concrete component, and a cable trench cover, wherein the first precast concrete component and the second precast concrete component are spliced ​​together by bolts to form a cable trench; the cable trench cover is mounted on the cable trench by a movable lifting ring;

[0006] The first precast concrete component and the second precast concrete component are both U-shaped grooves, and threaded holes for installing movable lifting rings are provided on the top surfaces of the two side plates of the U-shaped groove;

[0007] A first groove is provided at the inner ends of both sides of the U-shaped groove side plate of the first precast concrete component; a second groove is provided at the outer ends of both sides of the U-shaped groove side plate of the second precast concrete component; the first groove of the first precast concrete component and the second groove of the second precast concrete component are fitted together at the side to form a parent-child staggered joint, and holes for installing the bolts are respectively provided at corresponding positions of the first groove and the second groove, and rubber water stop sheets are also respectively provided on the first groove and the second groove.

[0008] There are 6 holes on the first groove and the second groove, including 2 holes located on each side wall and 2 holes located on the bottom.

[0009] There are four threaded holes arranged on the top surfaces of the two side plates of the U-shaped groove.

[0010] A drainage groove is provided on the inner bottom surface of the U-shaped groove.

[0011] A slide rail is provided on the top surface of the U-shaped groove of the cable trench, and the cable trench cover plate can slide on the slide rail.

[0012] A rolling pulley is installed at the bottom of the cable trench cover, and the rolling pulley rolls along the slide rail.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. It can reduce the quality defects of finished products of cable trenches and control the apparent quality;

[0015] 2. Precast concrete components can be prefabricated in the factory and directly hoisted on site. The reinforcement process is simple, which can greatly reduce labor and shorten construction period.

[0016] 3. The use of prefabricated components reduces the waste of steel bars, formwork and other materials in traditional cast-in-place concrete, thus saving costs;

[0017] 4. The cable trench cover is installed in the form of pulleys and tracks, which reduces the use of mechanical turnover, saves labor, and speeds up the construction progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model cable trench;

[0019] Figure 2 This is a schematic diagram of the connection between the cable trench and the cable trench cover of the utility model;

[0020] Figure 3 This is a schematic diagram of the roller connection.

[0021] 1—first precast concrete component; 2—second precast concrete component; 3—mother-child staggered joint; 4—bolt; 5—drainage trough; 6—flexible rubber waterstop at the joint; 7—embedded threaded hole; 8—concrete expansion plug; 9—slide trough; 10—slide rail; 11—cable trench cover; 12—roller; 13—movable lifting ring; 14—fastening bolt. DETAILED DESCRIPTION

[0022] Below in conjunction with accompanying drawing, the utility model is described in detail:

[0023] like Figure 1 As shown, the present invention provides an assembled cable trench device, comprising a first precast concrete component 1, a second precast concrete component 2, and a cable trench cover 11. The first precast concrete component 1 and the second precast concrete component 2 are joined together by bolts 4 to form a cable trench. The cable trench cover 11 is mounted on the cable trench via a movable lifting ring 13.

[0024] The first precast concrete component 1 and the second precast concrete component 2 are both U-shaped grooves, a drainage groove 5 is provided on the inner bottom surface of the U-shaped groove, and threaded holes for installing movable lifting rings 13 are provided on the top surfaces of the two side plates of the U-shaped groove.

[0025] A first groove is provided at the inner ends of both sides of the U-shaped groove side plate of the first precast concrete component 1; a second groove is provided at the outer ends of both sides of the U-shaped groove side plate of the second precast concrete component 2; the first groove of the first precast concrete component 1 and the second groove of the second precast concrete component 2 are fitted together at the side to form a parent-child staggered joint 3, and holes for installing bolts 4 are respectively provided at corresponding positions of the first groove and the second groove, and rubber water stop sheets 6 are also respectively provided on the first groove and the second groove.

[0026] In one embodiment, there are six holes on the first groove and the second groove, including two holes on each side wall and two holes on the bottom.

[0027] In one embodiment, four threaded holes are provided on the top surfaces of the two side plates of the U-shaped groove.

[0028] In one embodiment, a slide rail 10 is provided on the top surface of the U-shaped groove of the cable trench to facilitate the movement of the cable trench cover 11 on the cable trench to achieve rapid installation of the cable trench cover 11 on the cable trench.

[0029] In one embodiment, a rolling pulley 12 is installed at the bottom of the cable trench cover 11 by bolt fastening 14. The pulley 12 can roll on the slide rail 10, which is convenient for the installation and subsequent maintenance of the cable trench cover 11. Figure 3 .

[0030] The construction steps of the assembled cable trench device of the utility model are as follows:

[0031] The cushion layer at the bottom of the cable trench is poured and leveled;

[0032] The mobile crane hoists the first precast concrete component 1 and the first precast concrete component 2 onto the cushion layer in the cable trench through the movable lifting rings 13 respectively;

[0033] Check the sealing of the rubber water stop 6;

[0034] Adjust the position of the threaded holes 7 at the offset joint 3 and tighten them with the fixing bolts 4;

[0035] Remove the movable lifting ring 1;

[0036] Perform splicing and reinforcement of the next group of first precast concrete components 1 and first precast concrete components 2;

[0037] Finally, the cable trench cover 11 is installed and the pulley 12 is placed on the slide rail 10 on the top of the cable trench side wall.

Claims

1. An assembled cable trench device, characterized in that: The cable trench comprises a first precast concrete component, a second precast concrete component and a cable trench cover, wherein the first precast concrete component and the second precast concrete component are spliced ​​together by bolts to form a cable trench; the cable trench cover is installed on the cable trench through a movable lifting ring; The first precast concrete component and the second precast concrete component are both U-shaped grooves, and threaded holes for installing movable lifting rings are provided on the top surfaces of the two side plates of the U-shaped groove; A first groove is provided at the inner ends of both sides of the U-shaped groove side plate of the first precast concrete component; a second groove is provided at the outer ends of both sides of the U-shaped groove side plate of the second precast concrete component; the first groove of the first precast concrete component and the second groove of the second precast concrete component are fitted together at the side to form a parent-child staggered joint, and holes for installing the bolts are respectively provided at corresponding positions of the first groove and the second groove, and rubber water stop sheets are also respectively provided on the first groove and the second groove.

2. The assembled cable trench device according to claim 1, characterized in that: There are 6 holes on the first groove and the second groove, including 2 holes located on each side wall and 2 holes located on the bottom.

3. The assembled cable trench device according to claim 1, characterized in that: There are four threaded holes arranged on the top surfaces of the two side plates of the U-shaped groove.

4. The assembled cable trench device according to claim 1, characterized in that: A drainage groove is provided on the inner bottom surface of the U-shaped groove.

5. The assembled cable trench device according to claim 1, characterized in that: A slide rail is provided on the top surface of the U-shaped groove of the cable trench, and the cable trench cover plate can slide on the slide rail.

6. The assembled cable trench device according to claim 5, characterized in that: A rolling pulley is installed at the bottom of the cable trench cover, and the rolling pulley rolls along the slide rail.