Cable saddle of extradosed cable-stayed bridge

Abstract

The utility model belongs to the technical field of bridge engineering and discloses an extradosed cable-stayed bridge cable saddle which comprises a saddle body, a wrench is arranged on one side of the saddle body, a bearing plate is arranged at the top end of the saddle body, a cable saddle body is arranged at the top end of the bearing plate, baffles are symmetrically arranged on the two sides of the bearing plate, and a plurality of transverse ribs are symmetrically arranged on the front side and the back side of the cable saddle body. A plurality of longitudinal ribs are symmetrically arranged on the front side and the back side of the cable saddle body, a plurality of pull rods are evenly arranged on the top of the cable saddle body, a plurality of partition plates are arranged in the cable saddle body, and a plurality of installation assemblies are symmetrically arranged at the four corners of the bottom end of the cable saddle body. The mounting assembly is arranged at the bottom end of the cable saddle main body, after the cable saddle main body is placed at the top end of the saddle, the wrench is rotated to drive the internal structure of the mounting assembly to operate, so that the bearing plate is mounted and fixed, and the mounting assembly is hidden in equipment, so that the influence of external environmental factors on the assembly can be effectively avoided; the assembly service life is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of bridge engineering, and more specifically, to a cable saddle of a low-tower cable-stayed bridge. Background Art

[0002] The cable saddle is a structure specially used for the suspension cable to bypass the tower top support and allow the main cable to change direction smoothly. The upper seat of the cable saddle is composed of a rib-shaped cast steel block with a cable groove on it to place the suspension cable. The cable saddle in the rigid bridge tower generally has a row of rollers under the upper seat and a lower seat bottom plate under the rollers to better distribute the concentrated load transmitted by the rollers on the tower column. The cable saddle is needed in bridge construction, and the cable saddle seat is needed in the installation of the cable saddle.

[0003] The search for the publication (announcement) number: CN216405106U discloses a cable saddle for bridge engineering, including a cable saddle, the front and rear end surfaces of the cable saddle are fixedly provided with a clamping block, a cable saddle body is provided below the cable saddle, a plurality of positioning columns are evenly fixedly provided on the top surface of the cable saddle body, and the front and rear ends of the cable saddle body are symmetrically fixed with two clamping seats, and the inner wall of the clamping seat is symmetrically provided with two slide grooves, a pull rod is provided inside the slide groove, a spring is sleeved on the pull rod, and a clamping tongue is fixed on the inner end of the spring. The utility model can realize the connection and fixation of the cable saddle and the cable saddle by designing the cooperation between the clamping block and the clamping seat, and then clamping and fixing the clamping tongue with the fixing groove. The utility model is compact and reasonable in design, and has a good connection and fixing effect. It can realize the rapid connection and fixation of the cable saddle and the cable saddle, and the connection effect is better, avoiding the problem that the prior art has no connection between the cable saddle and the cable saddle.

[0004] During actual use, the springs used in this application are exposed to the rain and sun for a long time, and are prone to corrosion. Under corrosive conditions, the fatigue strength of the springs will be significantly reduced, and the fatigue life of the springs will be greatly shortened, resulting in brittle fracture of the springs, thereby affecting the fixation of the saddle to the cable saddle.

[0005] In order to solve the above problems, the present application provides a cable saddle for a low-tower cable-stayed bridge. Utility Model Content

[0006] The present application provides a low-tower cable-stayed bridge cable saddle adopting the following technical solution:

[0007] A cable saddle for a low-tower cable-stayed bridge comprises a saddle, a wrench is provided on one side of the saddle, a support plate is provided on the top of the saddle, a cable saddle body is provided on the top of the support plate, baffles are symmetrically provided on both sides of the support plate, a plurality of transverse ribs are symmetrically provided on the front and back sides of the cable saddle body, a plurality of longitudinal ribs are symmetrically provided on the front and back sides of the cable saddle body, a plurality of pull rods are evenly provided on the top of the cable saddle body, a plurality of partition plates are provided inside the cable saddle body, and a plurality of mounting components are symmetrically provided at the four corners of the bottom end of the cable saddle body.

[0008] Furthermore, the mounting assembly includes an inclined plate, a threaded rod, a connecting rod, a stop block, a pressure plate, a shell, a sleeve and a compression spring. The interior of the saddle is symmetrically provided with a plurality of slots, the inclined plate is arranged inside the slots, and a guide block is arranged at one end of the inclined plate close to the center of the saddle.

[0009] Through the above technical solution, the internal structures of the installation components cooperate with each other, so that the carrier plate is installed and fixed, and the installation of the saddle body is achieved.

[0010] Furthermore, the guide block is slidably connected inside the saddle, and the other end of the inclined plate is rotatably connected to an end of the threaded rod close to the center of the saddle, and the threaded rod is arranged inside the saddle.

[0011] Through the above technical solution, under the action of the guide block, the inclined plate can be stably moved inside the saddle.

[0012] Furthermore, a socket adapted to a wrench is provided inside the other end of the threaded rod, the wrench is slidably inserted and connected inside the socket, and the connecting rod is arranged inside the saddle.

[0013] Through the above technical solution, the cooperation between the threaded rod and the wrench can drive the inclined plate to move horizontally, thereby driving the connecting rod to move up and down through the inclined plate.

[0014] Furthermore, the bottom of the connecting rod is provided with an inclined groove adapted to the inclined plate, the inclined plate is slidably connected inside the inclined groove, the top end of the connecting rod is fixedly connected inside the sleeve, and the sleeve is arranged inside the support plate.

[0015] Through the above technical solution, the connecting rod can drive the sleeve at the top to move synchronously during the lifting process.

[0016] Furthermore, the sleeve is slidably inserted and connected inside the shell, the bottom end of the shell is fixedly connected to the top end of the saddle, a through groove is opened inside the shell, a plurality of pressure plates are symmetrically arranged inside the through groove, and a fixed shaft is arranged inside the pressure plate.

[0017] Through the above technical solution, the pressing plate can be rotated under the action of the fixed shaft, and when the stop block or the sleeve contacts the pressing plate, the pressing plate can be driven to rotate.

[0018] Furthermore, the bottom end of the pressure plate is arranged at the top end of the stop block, the compression spring is arranged inside the sleeve, the bottom end of the compression spring is fixedly connected to the bottom inner wall of the sleeve, and the top end of the compression spring is fixedly connected to the top inner wall of the shell.

[0019] Through the above technical solution, under the elastic force of the compression spring, the connecting rod can be driven to descend through the sleeve.

[0020] In summary, this application includes the following beneficial technical effects:

[0021] The utility model is provided with an installation component at the bottom end of the saddle body. After the saddle body is placed on the top of the saddle, the wrench is turned to drive the internal structure of the installation component to operate, so as to install and fix the carrier plate. The installation component is hidden inside the equipment, so as to effectively avoid the influence of external environmental factors on the component and extend the service life of the component. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of this application;

[0023] Figure 2 This is a first cross-sectional structural schematic diagram of the present application;

[0024] Figure 3 For this application Figure 2 A schematic diagram of the enlarged structure in the middle.

[0025] Description of the numbers in the figure:

[0026] 1. Saddle; 2. Support plate; 3. Wrench; 4. Baffle; 5. Horizontal rib; 6. Longitudinal rib; 7. Cable saddle body; 8. Pull rod; 9. Partition plate; 10. Guide block; 11. Inclined plate; 12. Threaded rod; 13. Connecting rod; 14. Stop block; 15. Fixed shaft; 16. Pressure plate; 17. Housing; 18. Sleeve; 19. Compression spring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] Example:

[0031] The present application embodiment discloses a cable saddle for a low-tower cable-stayed bridge. Figure 1 , Figure 2 and Figure 3 , including a saddle 1, a wrench 3 is provided on one side of the saddle 1, a support plate 2 is provided on the top of the saddle 1, a cable saddle body 7 is provided on the top of the support plate 2, baffles 4 are symmetrically provided on both sides of the support plate 2, a plurality of transverse ribs 5 are symmetrically provided on the front and back sides of the cable saddle body 7, a plurality of longitudinal ribs 6 are symmetrically provided on the front and back sides of the cable saddle body 7, a plurality of pull rods 8 are evenly provided on the top of the cable saddle body 7, a plurality of partition plates 9 are provided inside the cable saddle body 7, and a plurality of mounting components are symmetrically provided at the four corners of the bottom end of the cable saddle body 7.

[0032] See also Figure 2 and Figure 3 The mounting assembly includes an inclined plate 11, a threaded rod 12, a connecting rod 13, a stop block 14, a pressure plate 16, a housing 17, a sleeve 18 and a compression spring 19. A plurality of slots are symmetrically arranged inside the saddle 1. The inclined plate 11 is arranged inside the slots. A guide block 10 is arranged at one end of the inclined plate 11 close to the center of the saddle 1.

[0033] By means of the mutual cooperation between the internal structures of the mounting components, the carrier plate 2 is mounted and fixed, thereby achieving the installation of the cable saddle body 7.

[0034] See also Figure 2 and Figure 3 The guide block 10 is slidably inserted and connected inside the saddle 1 , and the other end of the inclined plate 11 is rotatably connected to one end of the threaded rod 12 close to the center of the saddle 1 , and the threaded rod 12 is arranged inside the saddle 1 .

[0035] Threaded holes matching the threaded rod 12 are symmetrically provided on both sides of the saddle 1 . The outer wall of the threaded rod 12 is rotatably connected to the inner wall of the threaded hole. Under the action of the guide block 10 , the inclined plate 11 can be stably moved inside the saddle 1 .

[0036] See also Figure 2 and Figure 3The other end of the threaded rod 12 is provided with a socket adapted to the wrench 3 , the wrench 3 is slidably inserted and connected inside the socket, and the connecting rod 13 is arranged inside the saddle 1 .

[0037] The insertion hole here is rectangular, so when the wrench 3 rotates, no rotation occurs between the threaded rod 12. Under the cooperation between the threaded rod 12 and the wrench 3, the inclined plate 11 can be driven to move horizontally, thereby driving the connecting rod 13 to move up and down through the inclined plate 11.

[0038] See also Figure 2 and Figure 3 The bottom of the connecting rod 13 is provided with an inclined groove adapted to the inclined plate 11, the inclined plate 11 is slidably connected inside the inclined groove, and the top end of the connecting rod 13 is fixedly connected inside the sleeve 18, and the sleeve 18 is arranged inside the support plate 2.

[0039] The top end of the inclined plate 11 is slidably connected to the top inner wall of the inclined groove, and the connecting rod 13 can drive the sleeve 18 at the top end to move synchronously during the lifting process.

[0040] See also Figure 2 and Figure 3 The sleeve 18 is slidably inserted and connected inside the shell 17, the bottom end of the shell 17 is fixedly connected to the top of the saddle 1, a through groove is opened inside the shell 17, and a plurality of pressure plates 16 are symmetrically arranged inside the through groove, and a fixed shaft 15 is arranged inside the pressure plate 16.

[0041] Both ends of the fixed shaft 15 are fixedly connected to the inner wall of the shell 17, and the fixed shaft 15 is rotatably connected to the pressure plate 16. Under the action of the fixed shaft 15, the pressure plate 16 can be rotated. When the stop block 14 or the sleeve 18 contacts the pressure plate 16, the pressure plate 16 can be driven to rotate.

[0042] See also Figure 2 and Figure 3 The bottom end of the pressure plate 16 is arranged at the top end of the stop block 14 , the compression spring 19 is arranged inside the sleeve 18 , the bottom end of the compression spring 19 is fixedly connected to the bottom inner wall of the sleeve 18 , and the top end of the compression spring 19 is fixedly connected to the top inner wall of the housing 17 .

[0043] When the inclined plate 11 moves toward the outside of the saddle 1 , the connecting rod 13 can be driven to descend through the sleeve 18 under the elastic force of the compression spring 19 .

[0044] The implementation principle of this embodiment is: first place the carrier plate 2 on the top of the saddle 1, then insert one end of the wrench 3 into the jack at one end of the threaded rod 12, then rotate the wrench 3 clockwise to drive the threaded rod 12 to rotate, and then under the action of the threaded hole, drive the inclined plate 11 to move toward the inner center of the saddle 1. When the inclined plate 11 moves, it will lift the connecting rod 13 and drive the stop block 14 to rise synchronously, and then push the pressure plate 16 through the stop block 14 to make it rotate, and then make the pressure plate 16 press the carrier plate 2 to fix the carrier plate 2.

[0045] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cable saddle for a low-tower cable-stayed bridge, comprising a saddle (1), characterized in that: A wrench (3) is provided on one side of the saddle (1), a support plate (2) is provided on the top of the saddle (1), a saddle body (7) is provided on the top of the support plate (2), baffles (4) are symmetrically provided on both sides of the support plate (2), a plurality of transverse ribs (5) are symmetrically provided on the front and back sides of the saddle body (7), a plurality of longitudinal ribs (6) are symmetrically provided on the front and back sides of the saddle body (7), a plurality of pull rods (8) are evenly provided on the top of the saddle body (7), a plurality of partition plates (9) are provided inside the saddle body (7), and a plurality of mounting components are symmetrically provided at the four corners of the bottom end of the saddle body (7).

2. A cable saddle for a low-tower cable-stayed bridge according to claim 1, characterized in that: The mounting assembly comprises an inclined plate (11), a threaded rod (12), a connecting rod (13), a stop block (14), a pressure plate (16), a housing (17), a sleeve (18) and a compression spring (19); a plurality of notches are symmetrically arranged inside the saddle (1); the inclined plate (11) is arranged inside the notches; and a guide block (10) is arranged at one end of the inclined plate (11) close to the center of the saddle (1).

3. A cable saddle for a low-tower cable-stayed bridge according to claim 2, characterized in that: The guide block (10) is slidably connected to the inside of the saddle (1), and the other end of the inclined plate (11) is rotatably connected to an end of a threaded rod (12) close to the center of the saddle (1), and the threaded rod (12) is arranged inside the saddle (1).

4. The cable saddle of a low-tower cable-stayed bridge according to claim 2, characterized in that: The other end of the threaded rod (12) is provided with a socket matched with the spanner (3), the spanner (3) is slidably inserted and connected inside the socket, and the connecting rod (13) is arranged inside the saddle (1).

5. The cable saddle of a low-tower cable-stayed bridge according to claim 2, characterized in that: The bottom of the connecting rod (13) is provided with an inclined groove matched with the inclined plate (11); the inclined plate (11) is slidably connected inside the inclined groove; the top end of the connecting rod (13) is fixedly connected inside a sleeve (18); and the sleeve (18) is arranged inside the support plate (2).

6. The cable saddle of a low-tower cable-stayed bridge according to claim 2, characterized in that: The sleeve (18) is slidably inserted and connected inside the outer shell (17); the bottom end of the outer shell (17) is fixedly connected to the top end of the saddle (1); a through slot is provided inside the outer shell (17); a plurality of pressure plates (16) are symmetrically arranged inside the through slot; and a fixed shaft (15) is provided inside the pressure plate (16).

7. The cable saddle of a low-tower cable-stayed bridge according to claim 2, characterized in that: The bottom end of the pressure plate (16) is arranged at the top end of the stop block (14), the compression spring (19) is arranged inside the sleeve (18), the bottom end of the compression spring (19) is fixedly connected to the bottom inner wall of the sleeve (18), and the top end of the compression spring (19) is fixedly connected to the top inner wall of the housing (17).

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