Stay cable anchoring anti-sliding structure convenient to install

Abstract

The utility model discloses a stay cable anchoring anti-sliding structure convenient to install. The stay cable anchoring anti-sliding structure comprises a cable saddle, anti-sliding anchoring cylinders connected to the two sides of the cable saddle, flange plates arranged on one sides of the anti-sliding anchoring cylinders, a bottom plate arranged on the other sides of the anti-sliding anchoring cylinders and a cable saddle anchoring plate installed on the bottom plate. The anti-sliding cable saddle is characterized by further comprising an anti-sliding key and an anti-falling assembly for preventing the anti-sliding key from falling off from the cable saddle anchoring plate, and the anti-falling assembly comprises an anti-sliding assembly and an anti-falling piece, wherein the anti-sliding assembly is located in the anti-sliding anchoring barrel at one end of the cable saddle and arranged on the inhaul cable, and the anti-falling piece is arranged on the inhaul cable and located between the anti-sliding key and the cable saddle anchoring plate. According to the utility model, through the arrangement of the anti-falling piece, as the diameter of the anti-sliding key is smaller than that of the hole channel in the cable saddle anchoring plate, the situation that the anti-sliding key is pulled out and cannot be normally used when the inhaul cable is stressed is avoided, and the anti-sliding key plays a role in supporting and limiting, and meanwhile, the anti-falling piece is divided into a plurality of components in a split manner; during installation, only a plurality of assemblies need to be assembled on the inhaul cable after being matched, and installation is easy, convenient and rapid.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable anchoring anti -slip structure, specifically point to a cable anchoring anti -slip structure convenient to installation. BACKGROUND

[0002] In the cable-stayed bridge, the steel strand cable is anchored to the main girder on both sides of the tower after passing through the saddle. During the construction and operation of the cable-stayed bridge, the load on both sides of the tower is not equal, so the cable on both sides of the saddle is not balanced, and therefore an anti -slip structure measure is needed to prevent the cable from slipping in the saddle under the action of unbalanced force, so as to ensure the safety of the bridge.

[0003] In the prior art, the anti -slip anchoring structure is mostly a unilateral bidirectional anti -slip anchoring device, that is, the anti -slip key is only located on one side of the saddle, and the other side is in a free state. The unbalanced load in different directions is borne by the unilateral anti -slip anchoring device. Related engineering test research and experience show that arranging the anti -slip key on both sides of the saddle can reduce the fatigue stress amplitude of the cable during operation, thereby prolonging the fatigue service life.

[0004] At present, the application of bilateral bidirectional anti -slip anchoring device is based on unilateral bidirectional anti -slip anchoring device, two anti -slip keys are installed on a single steel strand, and a limiting device is used to realize bilateral bidirectional anti -slip effect. However, the existing device is designed to be complex in size and is not conducive to on-site installation because the anti -slip key can be uniformly lengthened during extrusion in the factory. Therefore, a cable anchoring anti -slip structure convenient to install is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above problems and provides a cable anchoring anti -slip structure convenient to install.

[0006] In order to achieve the above purpose, the utility model provides a cable anchoring anti -slip structure convenient to install, which comprises a saddle, an anti -slip anchoring cylinder connected on both sides of the saddle, a flange plate arranged on one side of the anti -slip anchoring cylinder, a bottom plate arranged on the other side of the anti -slip anchoring cylinder and a saddle anchoring plate installed on the bottom plate, characterized in that it further comprises an anti -slip key and an anti -falling component for preventing the anti -slip key from falling off the saddle anchoring plate, the anti -falling component comprises an anti -slip component arranged on the cable in the anti -slip anchoring cylinder at one end of the saddle and a anti -falling piece arranged on the cable between the anti -slip key and the saddle anchoring plate.

[0007] Further preferably, the anti -falling piece is divided into several components and forms an integral anti -falling piece through several components, and the number of components is not less than two.

[0008] Further preferably, the diameter of the anti-dropping piece is larger than the diameter of the hole of the anchor plate of the cable saddle, and the anti-dropping piece is further provided with an extending positioning end extending into the hole of the anchor plate of the cable saddle.

[0009] Further preferably, the anti-sliding assembly comprises a hollow bolt mounted on the cable and a nut mounted on the hollow bolt.

[0010] Further preferably, the anti-sliding assembly further comprises a plurality of anti-sliding centering blocks mounted on the anti-sliding anchor cylinder.

[0011] Further preferably, the anti-sliding assembly further comprises a plurality of anti-sliding pads mounted on the cable and located in the anti-sliding anchor cylinders on both sides to compensate for the length of the partial cable.

[0012] Further preferably, each anti-sliding pad is used to compensate for the length of the adjacent cable of no less than two layers.

[0013] The anti-dropping piece is provided, the diameter of the anti-sliding key is smaller than the hole of the anchor plate of the cable saddle, the anti-sliding key is prevented from being pulled out to cause the normal use to be unable to be realized when the cable is stressed, the anti-sliding key is supported and limited, the anti-dropping piece is divided into a plurality of components in a split type, the plurality of components are assembled on the cable after being matched during installation, and the installation is simple and convenient.

[0014] The anti-sliding pad is mounted on the cable in the anti-sliding anchor cylinder, the length of the cable in the inner and outer positions is compensated through the anti-sliding pad, the length of all the anti-sliding keys is processed to be consistent when the anti-sliding key is manufactured, a plurality of layers of anti-sliding keys can be processed to be consistent in size, the anti-sliding key suitable for each layer is not needed to be manufactured separately according to the length of each layer, the size and specification of the prestressed tendon are the same during on-site construction, and the anti-sliding key is not prone to confusion and error, and the processing of the factory is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] FIG. 1 is a structural schematic diagram of the utility model; Figure 1 is a structural schematic diagram of the utility model;

[0016] FIG. 2 is a partial structural schematic diagram of one side of the utility model; Figure 2 FIG. 3 is a partial structural schematic diagram of the other side of the utility model;

[0017] Figure 3 FIG. 4 is a structural schematic diagram of the anti-dropping piece in the utility model;

[0018] FIG. 5 is another perspective view of the structural schematic diagram of the anti-dropping piece in the utility model. Figure 4

[0019] Figure 5

[0020] ​​​​Legend: 1, cable saddle; 2, anti-skid anchoring cylinder; 21, flange plate; 22, bottom plate; 23, cable saddle anchoring plate; 3, anti-skid assembly; 31, hollow bolt; 32, nut; 4, anti-skid key; 5, anti-falling piece; 51, extended positioning end; 6, anti-skid centering block; 7, anti-skid cushion plate. DETAILED DESCRIPTION

[0021] The cable-stayed anchoring anti-skid structure according to the present application will be further described below in combination with the drawings.

[0022] It should be noted that all directional indications such as upper, lower, left, right, front, back, etc. in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture, such as shown in the drawings, and if the specific posture changes, the directional indications will also change accordingly.

[0023] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense; for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Referring to Figures 1-5 A cable-stayed anchoring anti-skid structure convenient to install, comprising a cable saddle 1, anti-skid anchoring cylinders 2 connected on both sides of the cable saddle 1, a flange plate 21 arranged on one side of the anti-skid anchoring cylinder 2, a bottom plate 22 arranged on the other side of the anti-skid anchoring cylinder 2, and a cable saddle anchoring plate 23 mounted on the bottom plate 22; characterized in that it further comprises an anti-skid key 4 and an anti-falling assembly for preventing the anti-skid key 4 from falling off the cable saddle anchoring plate 23, the anti-falling assembly comprising an anti-skid assembly 3 arranged on the cable and located in the anti-skid anchoring cylinder 2 at one end of the cable saddle 1, and an anti-falling piece 5 arranged on the cable and located between the anti-skid key 4 and the cable saddle anchoring plate 23;

[0025] The anti-falling piece 5 is divided into several components and forms an integral anti-falling piece 5 through the several components, and the number of components is not less than two.

[0026] Through the arrangement of the anti-falling piece 5, since the diameter of the anti-skid key 4 is smaller than the hole on the cable saddle anchoring plate 23, the anti-skid key 4 is prevented from being pulled out when the cable is under stress, so that normal use is avoided, and the anti-skid key 4 is supported and limited in position. Meanwhile, the anti-falling piece 5 is divided into several components, and only needs to be assembled on the cable after being matched when installed, so that the installation is simple and fast.

[0027] In one embodiment, the diameter of the anti-disengagement piece 5 is greater than the diameter of the hole of the cable saddle anchoring plate 23, and the anti-disengagement piece 5 is further provided with an insertion positioning end 51 inserted into the hole of the cable saddle anchoring plate 23, which limits the installation position of the anti-disengagement piece 5.

[0028] In one embodiment, the anti-sliding assembly 3 comprises a hollow bolt 31 installed on the cable and a nut 32 installed on the hollow bolt 31, which are used to lock the cable.

[0029] In one embodiment, the anti-sliding assembly 3 further comprises a plurality of anti-sliding centering blocks 6 installed on the anti-sliding anchoring cylinder 2.

[0030] In one embodiment, the anti-sliding assembly 3 further comprises a plurality of anti-sliding pads 7 installed on the cable and located in the anti-sliding anchoring cylinder 2, which compensate for the length of the partial or complete segmental ducts; when installed, the anti-sliding pads 7 can be installed on all layers of segmental ducts or on partial layers of segmental ducts to compensate for the length of the segmental ducts.

[0031] By installing the anti-sliding pads 7 on the cable located in the anti-sliding anchoring cylinder 2, the anti-sliding pads 7 compensate for the length of the segmental ducts located at different positions, so that the lengths of all anti-sliding keys 4 are consistent when the anti-sliding keys 4 are manufactured, and several layers of anti-sliding keys 4 can be manufactured with the same size, without manufacturing separate anti-sliding keys 4 for each layer according to the different lengths of each layer, so that the sizes and specifications of the pre-stressed tendons are the same during on-site construction, which is not easy to mix up and make mistakes, and is convenient for factory processing.

[0032] In one embodiment, one anti-sliding pad 7 is used to compensate for the length of several segmental ducts of adjacent layers, and one anti-sliding pad 7 is used to compensate for the segmental ducts of adjacent layers, so that the anti-sliding keys 4 of the segmental ducts of the layers can be manufactured with the same size, which is convenient for factory processing and subsequent assembly, and avoids mistakes during assembly.

[0033] When the anti-disengagement piece 5 is installed, a plurality of anti-sliding pads 7 are first installed according to the situation, and then the anti-disengagement piece 5 divided into several assemblies is installed on the cable; after the several assemblies are assembled on the cable in sequence, the insertion positioning end 51 is inserted into the hole of the cable saddle anchoring plate 23 or the anti-sliding pad 7, which limits the several assemblies and prevents them from spreading out, and then the anti-sliding key 4 is installed at the rear end of the anti-disengagement piece 5 and abuts against the other end of the anti-disengagement piece 5.

[0034] The protection scope of the utility model is not limited to the above embodiments and transformations. The routine modification and replacement of the skilled in the art based on the content of the embodiments all belong to the protection scope of the utility model.

Claims

1. A cable-stayed bridge anchorage anti-slip structure that is easy to install, comprising a cable saddle (1), anti-slip anchoring cylinders (2) connected to both sides of the cable saddle (1), a flange (21) disposed on one side of the anti-slip anchoring cylinder (2), a base plate (22) disposed on the other side of the anti-slip anchoring cylinder (2), and a cable saddle anchoring plate (23) mounted on the base plate (22); characterized in that It also includes an anti-slip key (4) and an anti-detachment component to prevent the anti-slip key (4) from detaching from the cable saddle anchor plate (23). The anti-detachment component includes an anti-slip component (3) located inside an anti-slip anchor cylinder (2) at one end of the cable saddle (1) and installed on the cable, and an anti-detachment component (5) installed on the cable and located between the anti-slip key (4) and the cable saddle anchor plate (23) to prevent the anti-slip key (4) from being pulled out when the cable is under force, thus preventing it from becoming unusable. The anti-detachment component (5) is a split-type component consisting of several parts, which together form an integral anti-detachment component (5), and there are no fewer than two parts.

2. The cable-stayed bridge anchorage and anti-slip structure for easy installation according to claim 1, characterized in that: The diameter of the anti-detachment component (5) is larger than the diameter of the hole in the cable saddle anchor plate (23), and one end of the anti-detachment component (5) is also provided with an insertion positioning end (51) that extends into the hole in the cable saddle anchor plate (23).

3. The cable-stayed bridge anchorage and anti-slip structure for easy installation according to claim 1, characterized in that: The anti-slip component (3) includes a hollow bolt (31) mounted on the cable and a nut (32) mounted on the hollow bolt (31).

4. The cable-stayed bridge anchorage and anti-slip structure for easy installation according to claim 1, characterized in that: It also includes several anti-slip centering blocks (6) installed on the anti-slip anchor cylinder (2).

5. The cable-stayed bridge anchorage and anti-slip structure for easy installation according to claim 1, characterized in that: It also includes several anti-slip pads (7) installed on the cable and located inside the anti-slip anchoring cylinders (2) on both sides, which compensate for the length of the entire or part of the wire tube.

6. The cable-stayed bridge anchorage anti-slip structure for easy installation according to claim 5, characterized in that: An anti-slip pad (7) is used to compensate for the length of several filament tubes in at least two adjacent layers.

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