Mounting device for anchoring inhaul cable in cable bent tower

Abstract

The utility model relates to the technical field of inhaul cable fixing, in particular to a mounting device for anchoring an inhaul cable in a cable bent tower, which comprises a support. The connecting piece is arranged in the support, the left side face of the support is defined to be fixedly connected with a cable bent tower, the upper side and the lower side of the connecting piece are connected with a dowel bar and an inhaul cable respectively, and the dowel bar and the inhaul cable both extend out of the support; the jack is fixed to the upper side of the support and connected with the dowel bar, and the jack is used for adjusting the tension of the inhaul cable by applying acting force to the dowel bar; the support is installed on the inner wall of the cable bent tower, and an installation foundation and a supporting point are provided for follow-up components. The space in the cable bent tower is limited, and the mounting mode reasonably utilizes the space in the cable bent tower; and the stay cable is connected with the connecting piece in the support through threads. Threaded connection facilitates disassembly and installation, the inhaul cable and the support can be stably connected, the pulling force of the inhaul cable is effectively transmitted, and the technical problems that in the prior art, the inhaul cable is installed in the cable bent tower, construction is inconvenient, and the installation efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable fixing technical field, concretely relates to a kind of installation device for anchoring cable in cable tower. BACKGROUND

[0002] In cable-stayed bridge and other bridge structures, the weight of main girder and the load of vehicles, pedestrians and the like driving on the bridge are mostly transmitted to the cable tower through the cable, and then transmitted to the foundation and ground by the cable tower. The cable is like a "hanging rope", which "lifts up" the main girder to enable it to span a larger space and avoid excessive deformation or damage due to its own weight and load.

[0003] The cable tower has inner walls and outer walls. Considering maintenance and management and reducing process complexity, the cable is generally fixed to the outer walls of the cable tower. When the cable is installed on the outer walls of the cable tower, the cable and anchoring device are exposed to the outside, which facilitates daily inspection and maintenance work by maintenance personnel. The appearance of the cable can be directly observed for wear, rust and the like, and the anchoring end can be checked for looseness, so that potential safety hazards can be discovered and handled in a timely manner. At the same time, the equipment and manpower required for maintenance by entering the interior of the cable tower are reduced, thereby reducing maintenance costs.

[0004] However, for some special needs, such as in some bridge projects with extremely high landscape requirements and simple appearance, such as scenic bridges, city landmark bridges and the like, the cable is installed on the inner walls of the cable tower, so that the complex anchoring structure cannot be seen from the outside of the bridge, and a simple and smooth appearance effect is presented, thereby improving the overall aesthetic appearance. At this time, due to the narrow internal space of the inner walls of the cable tower, construction operation and equipment placement are difficult, resulting in the problems of inconvenient construction and low installation efficiency of the cable installed on the inner walls of the cable tower. SUMMARY

[0005] The utility model provides a kind of installation device for anchoring cable in cable tower to solve the technical problems of inconvenient construction and low installation efficiency of cable installed in the interior of cable tower in prior art.

[0006] To solve the above problems, the installation device for anchoring cable in cable tower provided by the utility model adopts the following technical scheme:

[0007] The installation device for anchoring cable in cable tower comprises:

[0008] a support for being fixed to the inner walls of the cable tower;

[0009] a connecting piece arranged in the support, defining the left side of the support to be fixedly connected to the cable tower, the upper and lower sides of the connecting piece being respectively connected to a force transmission rod and a cable, and the force transmission rod and the cable both extending out of the support;

[0010] A jack is fixed on the upper side of the support and connected with the force transmission rod, and the jack is used to adjust the tension of the cable by exerting force on the force transmission rod and moving the connecting piece in the support.

[0011] Further, the connecting piece is in a block structure, and the upper and lower sides of the connecting piece are provided with threaded holes.

[0012] Further, the jack is fixed on the front side of the support, and the middle part of the jack is provided with a through hole for the force transmission rod.

[0013] Further, the through hole is provided with an internal thread, and the outer periphery of the force transmission rod is provided with a threaded segment matched with the internal thread, and the force transmission rod is connected with the jack through the threaded connection.

[0014] Further, the width of the connecting piece is half of the width of the support.

[0015] Further, the support is surrounded by four side plates on the upper side, the lower side, the left side and the right side, and the front and the back of the support are open.

[0016] Further, the connecting piece is movably arranged in the support.

[0017] The installation device for anchoring the cable in the cable tower has the following advantages: the support is installed on the inner wall of the cable tower to provide an installation base and a support point for subsequent components. The space in the cable tower is limited, and the installation method rationally utilizes the internal space of the cable tower. The cable is connected with the connecting piece in the support through a threaded connection. The threaded connection is convenient for dismounting and mounting, can stably connect the cable with the support, and effectively transfers the tension of the cable. One end of the force transmission rod is connected with the connecting piece in the support through a threaded connection to transfer the force of the cable. The other end of the force transmission rod is connected with the jack arranged on the support through a threaded connection. The jack can exert force on the force transmission rod to adjust the tension of the cable, ensure that the cable reaches a suitable tension state during installation, and facilitate adjustment of the tension of the cable during subsequent maintenance. The support, the connecting piece, the force transmission rod, the jack and the threaded connection form a complete system, realize the fixation of the cable on the cable tower, and effectively control the tension of the cable.

[0018] Through the above arrangement, the device realizes the purpose of anchoring the cable in the limited space of the cable tower, effectively solves the technical problems of inconvenient installation and low installation efficiency of the cable in the internal space of the cable tower in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and other objects, features, and advantages of the present invention will become readily understood by reading the following detailed description of exemplary embodiments with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:

[0020] Figure 1 This is a schematic diagram of the installation device for anchoring cables inside a cable tower provided by this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Support; 2. Connector; 3. Force rod; 4. Cable; 5. Jack; 6. Threaded hole; 7. Through hole. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0024] The principles and spirit of this utility model will be explained in detail below with reference to several representative embodiments.

[0025] An embodiment of the installation device for anchoring cables inside a cable tower provided by this utility model:

[0026] like Figure 1 As shown, the installation device for anchoring cables inside the cable tower includes a support 1, a connector 2, and a jack. The support 1 is fixed to the inner wall of the cable tower. The connector 2 is arranged inside the support 1, defining the left side of the support 1 and fixing it to the cable tower. The upper and lower sides of the connector 2 are respectively connected to a force transmission rod 3 and a cable 4, both of which extend outside the support 1. The jack is fixed to the upper side of the support 1 and connected to the force transmission rod 3. The jack is used to apply force to the force transmission rod 3, thereby adjusting the tension of the cable 4 by moving the connector 2 within the support 1.

[0027] First, let's introduce the connector 2. The connector 2 can have various structures. In this embodiment, the connector 2 is a block structure with threaded holes on both the top and bottom sides. The ends of the force transmission rod 3 and the cable 4 that are connected to the connector 2 both have external threads, and the force transmission rod 3 and the cable 4 are both connected to the connector 2 by threads. In other embodiments, the connector 2 can also be a cylindrical structure, as long as threaded holes can be provided on both the top and bottom sides.

[0028] likeFigure 1 As shown, the jack is fixed at the front side of the support 1, and the middle part of the jack has a through hole for the force transmission rod 3 to pass through. In particular connection, the through hole has an internal thread, and the outer periphery of the force transmission rod 3 has a threaded segment matched with the internal thread, and the force transmission rod 3 is connected with the jack through the thread.

[0029] In the embodiment, the width dimension of the connecting piece 2 is half of the left-right direction width dimension inside the support 1. The connecting piece 2 is movably arranged in the support 1. In addition to being connected with the force transmission rod 3 and the cable 4, the connecting piece 2 has no connection relationship with the support 1, which makes the connecting piece 2 very convenient, and improves the convenience of construction.

[0030] In the embodiment, the support 1 is surrounded by four side plates of up, down, left and right, and the front and rear of the support 1 are open. In this way, the internal condition of the support 1 can be clearly observed, and the structure is simple and practical. In other embodiments, the front and rear sides of the support 1 can also be provided with side plates.

[0031] The working principle of the installation device for anchoring the cable in the cable tower provided by the utility model is: for the case that the space in the cable tower is limited, the support 1 is installed on the wall in the cable tower, the internal space of the cable tower is fully utilized, the installation problem caused by the limited space is effectively solved, and the cable 4 is installed in the narrow space. The cable 4, the force transmission rod 3 and the connecting piece 2 in the support 1, and the force transmission rod 3 and the jack are all connected through threads. This connection mode makes the installation and dismounting operation of each component more convenient, not only can quickly assemble in the installation process, but also is convenient for operation of each component when maintaining and adjusting the cable 4 in the subsequent process, thereby reducing the difficulty of construction and maintenance. The force transmission rod 3 is connected with the jack, the force transmission rod 3 can be applied with force through the jack, so that the tension of the cable 4 can be flexibly adjusted. In the installation process of the cable 4, the cable 4 can be accurately controlled to reach a suitable tension state; in the bridge operation stage, the tension of the cable 4 can also be adjusted according to the actual situation, thereby guaranteeing the stability and safety of the bridge structure.

[0032] The whole device forms a stable system to fix the cable 4 through reasonable combination and connection mode of components. The support 1 provides support for the whole structure, the connecting piece 2 ensures effective transmission of force, and the threaded connection enhances the reliability of the connection of each component, so that the tension of the cable 4 can be stably transmitted to the cable tower structure, thereby guaranteeing the stability of the cable anchoring.

Claims

1. Installation device for anchoring a cable in a pylon, characterized in that, The utility model relates to a cable-stayed tower fixing device, which comprises: a support for fixing to the inner wall of a cable-stayed tower; a connecting piece arranged in the support, defining the left side of the support to be fixed to the cable-stayed tower, the upper and lower sides of the connecting piece being connected with a force transmission rod and a cable respectively, the force transmission rod and the cable both extending out of the support; a jack fixed to the upper side of the support and connected with the force transmission rod, the jack being used to adjust the tension of the cable by exerting force on the force transmission rod and moving the connecting piece in the support.

2. Installation device for anchoring a cable in a pylon according to claim 1, characterized in that: The connecting piece is in a block structure, and the upper and lower sides of the connecting piece are both provided with threaded holes, the ends of the force transmission rod and the cable connected with the connecting piece are both provided with external threads, and the force transmission rod and the cable are both connected with the connecting piece through screw threads.

3. Installation device for anchoring a cable in a pylon according to claim 2, characterized in that: The jack is fixed to the front side of the support, and the middle part of the jack is provided with a through hole for the force transmission rod to pass through.

4. The installation device for anchoring a cable in a pylon according to claim 3, characterized in that: The through hole is provided with internal threads, and the outer periphery of the force transmission rod is provided with a threaded segment matched with the internal threads, and the force transmission rod is connected with the jack through screw threads.

5. Installation device for anchoring a cable in a pylon according to any one of claims 2 to 4, characterized in that: The width dimension of the connecting piece is half of the width dimension of the support in the left-right direction.

6. Installation device for anchoring a cable in a pylon according to any one of claims 1 to 4, characterized in that: The support is surrounded by four side plates in the up-down and left-right directions, and the front and back of the support are both open.

7. Installation device for anchoring a cable in a pylon according to any one of claims 1 to 4, characterized in that: The connecting piece is movably arranged in the support.

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