High-strength lightweight cable bridge

Abstract

The utility model relates to the technical field of bridge, specifically relates to a kind of high-strength light-weight cable bridge, comprising: straight groove and the hoisting module for hoisting straight groove;Hoisting module includes the supporting arm for lifting straight groove, the first hoisting component for connecting the one end of supporting arm, and the second hoisting component for connecting the other end of supporting arm;Through rotatable and quick open-close structure design, fundamentally solve the construction maintenance problem existing in traditional cable bridge, upgrade traditional fixed suspension to one side rotatable, one side quick locking dynamic hoisting system, so that the whole bridge can be safely and reliably opened to the downside when cable laying or overhaul, form a side completely open operation face, construction personnel can easily put or take cable directly from side, completely say goodbye to traditional operation mode that must be laborious threading from narrow end portion, this move not only significantly reduces the labor intensity and operation risk of high-altitude operation, more wiring efficiency is improved several times.

Description

Technical Field

[0001] This utility model relates to the field of cable tray technology, specifically a high-strength lightweight cable tray. Background Technology

[0002] In the field of building electrical installation, cable trays are widely used as key facilities for carrying and laying cables. Currently, common cable tray systems usually consist of trough-shaped straight channels and hoisting modules for suspending them below the building ceiling. Hoisting modules mostly use fixed cantilever brackets and rigid connections with support arms, so that the entire cable tray maintains a fixed horizontal or inclined posture after installation.

[0003] This traditional structure has revealed several significant drawbacks in practical use: First, during cable laying, due to the U-shaped structure of the straight trough and the fixed supports on both sides, construction workers can only laboriously insert the hard and heavy cables from the end of the cable tray. This process is not only extremely labor-intensive under conditions of working at height, but also inefficient and poses safety hazards. Second, when it is necessary to inspect or replace cables in a specific section, the limited operating space and difficulty in accessing the cable also present problems, resulting in poor maintenance convenience. In addition, although some cable trays have height adjustment functions to cope with uneven roofs or to achieve sloped laying, the adjustment process is often cumbersome and cannot provide a temporary, safe, downward-tilting open state when laying cables.

[0004] Therefore, in view of the above situation, there is an urgent need to develop a high-strength, lightweight cable tray to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0005] The purpose of this invention is to provide a high-strength, lightweight cable tray to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-strength lightweight cable tray, comprising: a straight trough and a hoisting module for hoisting the straight trough;

[0007] The lifting module includes a support arm for lifting the straight channel, a first lifting assembly for connecting one end of the support arm, and a second lifting assembly for connecting the other end of the support arm.

[0008] The first hoisting component is fixedly connected to the building structure and connected to one end of the support arm via a rotating connection mechanism;

[0009] The second hoisting assembly is fixedly connected to the building structure and detachably connected to the other end of the support arm;

[0010] When the second lifting assembly is disconnected from the support arm, the support arm and the straight groove can tilt downward together around the rotating connection mechanism.

[0011] Specifically, by setting up a first hoisting component that is fixedly connected to the building structure and connected to one end of the support arm via a rotating connection mechanism, and a second hoisting component that is fixedly connected to the building structure and detachably connected to the other end of the support arm, when the connection between the second hoisting component and the support arm is released, the support arm and the supporting straight groove can tilt downward together around the rotating connection mechanism. This provides operators with an unobstructed inclined working interface during cable laying or maintenance, greatly overcoming the disadvantages of inconvenient cable pulling in traditional enclosed U-shaped cable trays, significantly reducing the labor intensity of suspended work at heights, and improving the efficiency and convenience of wiring and maintenance work.

[0012] Preferably, the rotating connection mechanism includes a first rotating joint and a second rotating joint; the axial direction of the first rotating joint is parallel to the width direction of the straight groove, and the axial direction of the second rotating joint is parallel to the length direction of the straight groove.

[0013] Specifically, by setting a first rotating joint with its axis parallel to the width of the straight groove and a second rotating joint with its axis parallel to the length of the straight groove, the rotating connection mechanism formed by the two not only reliably realizes the downward tilting rotation required by the support arm and the straight groove during cable laying, but also allows the entire cable tray to be finely adjusted in the length direction through the second rotating joint during installation and commissioning. Combined with the width direction rotation of the first rotating joint, this ensures that the cable tray can flexibly adapt to uneven building ceilings or meet the installation requirements with slopes, greatly improving the flexibility and fault tolerance of installation.

[0014] Preferably, the first hoisting assembly includes a first bracket fixedly connected to the building structure and a first connector adjustablely connected to the first bracket; a first rotating joint is disposed at the bottom end of the first connector, and a second rotating joint is disposed at the end of the support arm, and the first rotating joint and the second rotating joint are interconnected.

[0015] Specifically, this modular structure not only integrates and transmits the rotational functions of the first and second rotating joints, but also provides height adjustment capability for the entire hoisting module through the adjustable connection between the first connector and the first bracket. This makes the horizontal calibration or tilting installation and debugging of the cable tray more convenient, greatly enhancing the adaptability of the project and simplifying the installation process.

[0016] Preferably, the first rotating pair includes a transition member and a shaft disposed on the transition member, and the transition member is rotatably engaged with the first connecting member through the shaft; the second rotating pair includes a third ear seat and a first ear seat, the third ear seat is disposed on the transition member, the first ear seat is disposed on the support arm, and the third ear seat and the first ear seat are rotatably connected by a pin.

[0017] Specifically, by employing a first rotating joint consisting of an adapter and its shaft, and a second rotating joint consisting of a third lug on the adapter and a first lug on the support arm connected by a pin, the rotation center in the width direction is moved upward to the bottom of the first connector. The core component, the adapter, compactly and reliably connects the rotation functions in both the width and length directions, ensuring that the downward tilting action of the support arm in the width direction and the adaptive deflection in the length direction do not interfere with each other and operate smoothly. At the same time, the force transmission path of the entire structure is clear and the connection is stable, effectively ensuring the structural rigidity and stability of the cable tray under dynamic rotation and static load conditions.

[0018] Preferably, the bottom end of the first connector is provided with a groove, the shaft is accommodated in the groove, and the first connector is provided with a baffle for closing the groove opening and restricting the shaft from coming out.

[0019] Specifically, this makes the assembly process of the first rotating pair extremely convenient. The load-bearing connection can be completed simply by horizontally inserting the shaft of the adapter into the slide groove and fixing the baffle. This achieves a reliable rotational fit between the shaft and the slide groove without the need for cumbersome bottom threading of the shaft. This not only significantly improves on-site installation efficiency, but also ensures that the shaft will not accidentally come out of the slide groove under any working state through the rigid limit of the baffle, thus fundamentally guaranteeing the long-term safety and reliability of the hoisting connection.

[0020] Preferably, the second hoisting assembly includes a second bracket fixedly connected to the building structure, a second connector adjustablely connected to the second bracket, and a locking mechanism provided on the second connector; the support arm is provided with a second lug that cooperates with the locking mechanism, and when the second lug engages with the locking mechanism, a fixed connection is achieved by bolts.

[0021] Specifically, the height-adjustable second connector allows the cable tray to flexibly adapt to on-site installation conditions, while the locking mechanism can automatically achieve temporary support and positioning when the second lug is raised into place, providing safe working conditions for subsequent bolt tightening. Finally, rigid fixation is achieved through bolt connection. This complete process not only ensures connection reliability but also greatly simplifies the difficulty of high-altitude operations, significantly improves installation efficiency, and reduces safety risks.

[0022] Preferably, the locking mechanism includes a mounting base on the second connector, a limiting block slidably mounted on the mounting base, and a spring in the mounting base for pushing the limiting block out. The bottom end of the limiting block is provided with a guide slope. When the support arm is lifted upward, the second ear slides along the guide slope and presses the limiting block to retract until the second ear passes the limiting block. Then, the limiting block pops out and supports the second ear.

[0023] Specifically, the locking mechanism uses an automatic positioning structure consisting of a mounting base, a limit block with a guide ramp, and a spring. When the support arm is lifted upwards, the ramp guides the second lug to smoothly compress the limit block until it passes the limit position. Then, the limit block quickly pops out under the action of the spring to form an automatic support. This process achieves automatic temporary locking of the cable tray after it is lifted into place, providing safe operating conditions for subsequent bolt tightening operations. It not only effectively prevents the risk of the support arm accidentally slipping before fixing, but also significantly reduces the dependence on installation personnel, greatly improving the safety and convenience of the installation process.

[0024] Preferably, the connection height between the first hoisting assembly and / or the second hoisting assembly and the building structure is adjustable.

[0025] Preferably, a single straight groove is supported by multiple sets of hoisting modules.

[0026] Specifically, this cable tray system can not only flexibly adapt to uneven building rooftops or meet the needs of cable laying on slopes, but also effectively distribute the load of cables and cable trays through multi-point support, avoiding excessive stress on a single point. Thus, while ensuring installation flexibility and adaptability, it significantly enhances the load-bearing stability and safety reliability of the entire cable tray system, making it particularly suitable for laying long-span or heavy-load cables.

[0027] Compared with the prior art, this utility model provides a high-strength and lightweight cable tray, which has the following advantages:

[0028] Through its rotatable and quick-opening structural design, this system fundamentally solves the construction and maintenance problems inherent in traditional cable trays. It upgrades the traditional fixed suspension system to a dynamic hoisting system that can rotate and quickly lock on one side. This allows the entire cable tray to safely and reliably tilt downwards and open during cable laying or maintenance, creating a completely open working surface. Workers can easily insert or remove cables directly from the side, completely eliminating the traditional method of laboriously threading cables through narrow ends. This not only significantly reduces the labor intensity and operational risks of high-altitude work but also increases wiring efficiency several times over. Simultaneously, the structure balances stable load-bearing capacity with flexible adjustment. The horizontal position, tilt angle, and installation height of the cable tray can be easily adjusted, adapting to complex on-site installation environments and meeting the engineering needs of different slopes. This achieves the long-term benefits of one-time installation and lifelong convenient maintenance. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0031] Figure 2 This is a schematic diagram of the hoisting module structure of this utility model;

[0032] Figure 3 This is an exploded view of the first hoisting component of this utility model;

[0033] Figure 4 This is an exploded view of the second hoisting component of this utility model;

[0034] Figure 5 This is an exploded view of the locking mechanism of this utility model;

[0035] Figure 6 This is a schematic diagram of the horizontal installation state of this utility model;

[0036] Figure 7 This is a schematic diagram of the tilted installation state of this utility model;

[0037] Figure 8 This is one of the schematic diagrams of the tilted state of this utility model;

[0038] Figure 9 This is the second schematic diagram of the tilted state of this utility model.

[0039] In the diagram: 10, straight groove; 20, support arm; 210, first ear seat; 220, second ear seat; 30, first lifting assembly; 310, first bracket; 320, first connector; 330, third ear seat; 340, adapter; 350, shaft; 360, slide groove; 370, baffle; 40, second lifting assembly; 410, second bracket; 420, second connector; 430, locking mechanism; 431, mounting base; 432, limit block; 433, spring. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0041] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] Example:

[0043] Please see Figures 1-9 This utility model provides a technical solution: a high-strength lightweight cable tray, comprising: a straight groove 10 and a hoisting module for hoisting the straight groove 10;

[0044] The lifting module includes a support arm 20 for lifting the straight groove 10, a first lifting assembly 30 for connecting one end of the support arm 20, and a second lifting assembly 40 for connecting the other end of the support arm 20.

[0045] The first hoisting assembly 30 is fixedly connected to the building structure and is connected to one end of the support arm 20 through a rotating connection mechanism;

[0046] The second hoisting assembly 40 is fixedly connected to the building structure and detachably connected to the other end of the support arm 20;

[0047] When the second lifting assembly 40 is disconnected from the support arm 20, the support arm 20 and the straight groove 10 can tilt downward together around the rotating connection mechanism.

[0048] Specifically, by setting up a first hoisting assembly 30 that is fixedly connected to the building structure and connected to one end of the support arm 20 through a rotating connection mechanism, and a second hoisting assembly 40 that is fixedly connected to the building structure and detachably connected to the other end of the support arm 20, when the connection between the second hoisting assembly 40 and the support arm 20 is released, the support arm 20 and the supporting straight groove 10 can tilt downward together around the rotating connection mechanism. This provides operators with an unobstructed tilted working interface during cable laying or maintenance, greatly overcoming the disadvantages of inconvenient cable pulling in traditional enclosed U-shaped cable trays, significantly reducing the labor intensity of suspended operations at heights, and improving the efficiency and convenience of wiring and maintenance work.

[0049] Preferably, the rotating connection mechanism includes a first rotating joint and a second rotating joint; the axial direction of the first rotating joint is parallel to the width direction of the straight groove 10, and the axial direction of the second rotating joint is parallel to the length direction of the straight groove 10.

[0050] Specifically, by setting a first rotating joint with its axis parallel to the width direction of the straight groove 10 and a second rotating joint with its axis parallel to the length direction of the straight groove 10, the rotating connection mechanism formed by the two not only reliably realizes the downward tilting rotation required by the support arm 20 and the straight groove 10 during cable laying, but also allows the entire cable tray to be finely adjusted in the length direction through the second rotating joint during installation and commissioning. Combined with the width direction rotation of the first rotating joint, this ensures that the cable tray can flexibly adapt to uneven building ceilings or meet the installation requirements with slopes, greatly improving the flexibility and fault tolerance of installation.

[0051] Preferably, the first hoisting assembly 30 includes a first bracket 310 fixedly connected to the building structure and a first connector 320 adjustablely connected to the first bracket 310; a first rotating joint is disposed at the bottom end of the first connector 320, and a second rotating joint is disposed at the end of the support arm 20, and the first rotating joint and the second rotating joint are interconnected.

[0052] Specifically, this modular structure not only integrates and transmits the rotational functions of the first rotating joint in the width direction and the second rotating joint in the length direction, but also provides the entire hoisting module with height adjustment capability through the adjustable connection between the first connector 320 and the first bracket 310. This makes the horizontal calibration or tilt installation and debugging of the cable tray more convenient, greatly enhances the adaptability of the project and simplifies the installation process.

[0053] Preferably, the first rotating pair includes a transition member 340 and a shaft 350 disposed on the transition member 340, and the transition member 340 is rotatably engaged with the first connecting member 320 through the shaft 350; the second rotating pair includes a third ear seat 330 and a first ear seat 210, the third ear seat 330 is disposed on the transition member 340, the first ear seat 210 is disposed on the support arm 20, and the third ear seat 330 and the first ear seat 210 are rotatably connected by a pin.

[0054] Specifically, by employing a first rotating joint consisting of a connector 340 and its shaft 350, and a second rotating joint consisting of a third lug 330 on the connector 340 and a first lug 210 on the support arm 20 connected by a pin, the rotation center in the width direction is moved upward to the bottom of the first connector 320. The core component, the connector 340, compactly and reliably connects the rotation functions in both the width and length directions, ensuring that the downward tilting action of the support arm 20 in the width direction and the adaptive deflection in the length direction do not interfere with each other and operate smoothly. At the same time, the force transmission path of the entire structure is clear and the connection is stable, effectively ensuring the structural rigidity and stability of the cable tray under dynamic rotation and static load conditions.

[0055] Preferably, the bottom end of the first connector 320 is provided with a groove 360, the shaft 350 is accommodated in the groove 360, and the first connector 320 is provided with a baffle 370 for closing the opening of the groove 360 ​​and restricting the shaft 350 from coming out.

[0056] Specifically, this makes the assembly process of the first rotating pair extremely convenient. The load-bearing connection can be completed simply by horizontally inserting the shaft 350 of the adapter 340 into the slide groove 360 ​​and fixing the baffle 370. This achieves a reliable rotational fit between the shaft 350 and the slide groove 360 ​​without the need for cumbersome bottom threading of the shaft. This not only significantly improves on-site installation efficiency, but also ensures that the shaft 350 will not accidentally come out of the slide groove 360 ​​under any working state through the rigid limit of the baffle 370, thereby fundamentally guaranteeing the long-term safety and reliability of the hoisting connection.

[0057] Preferably, the second hoisting assembly 40 includes a second bracket 410 fixedly connected to the building structure, a second connector 420 adjustablely connected to the second bracket 410, and a locking mechanism 430 provided on the second connector 420; the support arm 20 is provided with a second lug 220 that cooperates with the locking mechanism 430, and when the second lug 220 engages with the locking mechanism 430, a fixed connection is achieved by bolts.

[0058] Specifically, the height-adjustable second connector 420 allows the cable tray to flexibly adapt to on-site installation conditions, while the locking mechanism 430 can automatically achieve temporary support and positioning when the second lug 220 is raised into place, providing safe working conditions for subsequent bolt tightening. Finally, rigid fixation is achieved through bolt connection. This complete process not only ensures connection reliability but also greatly simplifies the difficulty of high-altitude operations, significantly improves installation efficiency, and reduces safety risks.

[0059] Preferably, the locking mechanism 430 includes a mounting base 431 disposed on the second connector 420, a limiting block 432 slidably mounted on the mounting base 431, and a spring 433 disposed in the mounting base 431 for pushing out the limiting block 432. The bottom end of the limiting block 432 is provided with a guide slope. When the support arm 20 is lifted upward, the second ear seat 220 slides along the guide slope and presses the limiting block 432 to retract until the second ear seat 220 passes the limiting block 432, after which the limiting block 432 pops out and supports the second ear seat 220.

[0060] Specifically, the locking mechanism 430, through an automatic positioning structure consisting of a mounting base 431, a limiting block 432 with a guide ramp, and a spring 433, guides the second ear seat 220 to smoothly compress the limiting block 432 when the support arm 20 is lifted upwards. After the limiting block 432 passes the limit position, it quickly pops out under the action of the spring 433 to form an automatic support. This process realizes the automatic temporary locking of the cable tray after it is lifted into place, providing safe operating conditions for subsequent bolt tightening operations. It not only effectively prevents the risk of the support arm 20 accidentally slipping before fixing, but also significantly reduces the dependence on installation personnel, greatly improving the safety and convenience of the installation process.

[0061] Preferably, the connection height between the first hoisting assembly 30 and / or the second hoisting assembly 40 and the building structure is adjustable.

[0062] Preferably, a single straight groove 10 is supported by multiple sets of hoisting modules.

[0063] Specifically, this cable tray system can not only flexibly adapt to uneven building rooftops or meet the needs of cable laying on slopes, but also effectively distribute the load of cables and cable trays through multi-point support, avoiding excessive stress on a single point. Thus, while ensuring installation flexibility and adaptability, it significantly enhances the load-bearing stability and safety reliability of the entire cable tray system, making it particularly suitable for laying long-span or heavy-load cables.

[0064] Working principle: During normal operation, the second lug 220 at the other end of the support arm 20 is fastened to the second connector 420 of the second lifting assembly 40 by bolts, so that the straight groove 10 is supported by multiple sets of lifting modules and kept in a horizontal state. When it is necessary to install at an angle along the length direction, by adjusting the suspension height of the first connector 320 of the first lifting assembly 30 and / or the second connector 420 of the second lifting assembly 40, the straight groove 10 can rotate around the composite center of the second rotating pair in the length direction and the first rotating pair in the width direction of the middle lifting module, thereby achieving the preset slope. When laying or maintaining cables, it is only necessary to release the bolt connection between the second lug 220 and the second connector 420. Under the action of its own weight, the support arm 20 and the straight groove 10 will tilt downward and open together around the second rotating pair formed by the first lug 210 and the third lug 330 in the first lifting assembly 30 in the width direction, forming an inclined working groove with no obstruction on the side, so that the cable can be easily put in or taken out from the side, which greatly facilitates construction and maintenance.

[0065] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A high-strength, lightweight cable tray, characterized in that, include: A straight groove (10) and a lifting module for lifting the straight groove (10); The hoisting module includes a support arm (20) for lifting the straight groove (10), a first hoisting assembly (30) for connecting one end of the support arm (20), and a second hoisting assembly (40) for connecting the other end of the support arm (20). The first hoisting assembly (30) is fixedly connected to the building structure and connected to one end of the support arm (20) through a rotating connection mechanism; The second hoisting assembly (40) is fixedly connected to the building structure and detachably connected to the other end of the support arm (20); When the second hoisting assembly (40) is disconnected from the support arm (20), the support arm (20) and the straight groove (10) can tilt downward together around the rotating connection mechanism.

2. The high-strength lightweight cable tray according to claim 1, characterized in that: The rotating connection mechanism includes a first rotating joint and a second rotating joint; the axial direction of the first rotating joint is parallel to the width direction of the straight groove (10), and the axial direction of the second rotating joint is parallel to the length direction of the straight groove (10).

3. A high-strength, lightweight cable tray according to claim 2, characterized in that: The first hoisting assembly (30) includes a first bracket (310) fixedly connected to the building structure and a first connector (320) adjustablely connected to the first bracket (310); the first rotating joint is disposed at the bottom end of the first connector (320), the second rotating joint is disposed at the end of the support arm (20), and the first rotating joint and the second rotating joint are interconnected.

4. A high-strength, lightweight cable tray according to claim 3, characterized in that: The first rotating pair includes a connector (340) and a shaft (350) disposed on the connector (340). The connector (340) is rotatably engaged with the first connector (320) through the shaft (350). The second rotating pair includes a third ear seat (330) and a first ear seat (210). The third ear seat (330) is disposed on the connector (340), and the first ear seat (210) is disposed on the support arm (20). The third ear seat (330) and the first ear seat (210) are rotatably connected by a pin.

5. A high-strength, lightweight cable tray according to claim 4, characterized in that: The first connector (320) has a groove (360) at its bottom end, and the shaft (350) is housed in the groove (360). The first connector (320) has a baffle (370) for closing the opening of the groove (360) and restricting the shaft (350) from coming out.

6. A high-strength lightweight cable tray according to claim 1, characterized in that: The second hoisting assembly (40) includes a second bracket (410) fixedly connected to the building structure, a second connector (420) adjustablely connected to the second bracket (410), and a locking mechanism (430) provided on the second connector (420); the support arm (20) is provided with a second lug (220) that cooperates with the locking mechanism (430), and when the second lug (220) engages with the locking mechanism (430), a fixed connection is achieved by bolts.

7. A high-strength, lightweight cable tray according to claim 6, characterized in that: The locking mechanism (430) includes a mounting base (431) on the second connector (420), a limiting block (432) slidably mounted on the mounting base (431), and a spring (433) in the mounting base (431) for pushing out the limiting block (432). The bottom end of the limiting block (432) is provided with a guide slope. When the support arm (20) is lifted upward, the second ear seat (220) slides along the guide slope and presses the limiting block (432) to retract until the second ear seat (220) passes the limiting block (432). Then the limiting block (432) pops out and supports the second ear seat (220).

8. A high-strength lightweight cable tray according to claim 1, characterized in that: The connection height between the first hoisting assembly (30) and / or the second hoisting assembly (40) and the building structure is adjustable.

9. A high-strength lightweight cable tray according to claim 1, characterized in that: Each straight groove (10) is supported by multiple sets of lifting modules.

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