A connecting structure between modules of a positioning device for a steel anchor beam of a cable-stayed bridge

Abstract

The application provides a connecting structure between positioning devices of steel anchor beams of a cable-stayed bridge, which comprises a supporting cross beam, a positioning mechanism and a vertical adjusting mechanism are arranged on the upper side of the supporting cross beam, an installation plate is arranged on the lower side of the supporting cross beam, and an installation hole is formed in the installation plate; the positioning mechanism comprises a side frame and a positioning cross beam, guide blocks are fixedly connected to the beam ends of the positioning cross beam, the guide blocks are in sliding fit with the side frame, first fastening holes are formed in the guide blocks, first positioning holes are formed in the side frame, and a supporting column is arranged on the positioning cross beam. In the process of lifting the positioning cross beam, the supporting rods are driven to move towards the direction of the jack, the positioning seat is driven to move along the guide groove, after the position of the positioning cross beam is adjusted and fixed, the positioning seat is fixed on the supporting cross beam through bolts, the supporting rods play a role of auxiliary support on the positioning cross beam, the stability of the structure is ensured, the position can be adjusted during the construction and installation of the steel anchor beam module, and the installation precision of the steel anchor beam module is ensured.

Description

Technical Field

[0001] This invention belongs to the field of cable-stayed bridge construction technology, and in particular relates to a connection structure between modules of a cable-stayed bridge steel anchor beam positioning device. Background Technology

[0002] A cable-stayed bridge, also known as a skeletal-stayed bridge, is a type of bridge where the main girder is directly supported by numerous cables to the bridge towers. It is a structural system composed of compression-bearing towers, tension-bearing cables, and bending-bearing beams. It can be viewed as a multi-span elastically supported continuous beam where cables replace piers. This reduces bending moments within the beam, lowers the building height, reduces structural weight, and saves materials. A cable-stayed bridge mainly consists of towers, main girder, and stay cables. In related technologies, during the construction of a cable-stayed bridge, the steel anchor beams need to be hoisted and transferred to a designated location for fixed installation. However, due to space and area limitations at the installation location, the steel anchor beam module is typically installed first, then hoisted down onto the positioning support device. Workers then connect and fix the positioning device to the steel anchor beam module to achieve the positioning and installation of the cable-stayed bridge steel anchor beam. However, the existing positioning device is inconvenient to adjust its position and height after installation. The steel anchor beam module will also need to be adjusted in position during construction and installation to ensure the installation accuracy of the steel anchor beam module. Adjusting the installation position of the positioning device at this time is quite troublesome. Therefore, a connection structure between the positioning device modules of the cable-stayed bridge steel anchor beam is proposed to solve the above problems. Summary of the Invention

[0003] In view of this, the present invention aims to overcome the defects in the prior art and proposes a connection structure between the modules of the positioning device for the steel anchor beam of a cable-stayed bridge.

[0004] To achieve the above objectives, the technical solution created by this invention is implemented as follows:

[0005] A connection structure between modules of a positioning device for a steel anchor beam of a cable-stayed bridge includes a supporting crossbeam. A positioning mechanism and a vertical adjustment mechanism are provided on the upper side of the supporting crossbeam, and an installation plate is provided on the lower side of the supporting crossbeam. An installation hole is provided on the installation plate. The positioning mechanism includes a side frame and a positioning crossbeam. A guide block is fixedly connected to the beam end of the positioning crossbeam. The guide block slides with the side frame. A first fastening hole is provided on the guide block. A first positioning hole is provided on the side frame. A support column is provided on the positioning crossbeam.

[0006] Furthermore, there are two side frames, with the lower ends of the two side frames fixedly connected to both ends of the positioning beam, and a reinforcing plate fixedly connected to the bottom of the supporting beam.

[0007] Furthermore, a positioning groove is provided in the middle of the upper surface of the positioning beam, and the lower end of the vertical adjustment mechanism is arranged in the positioning groove.

[0008] Furthermore, the vertical adjustment mechanism includes a jack, the telescopic end of which abuts against the bottom of the positioning beam.

[0009] Furthermore, the side frame has a limiting groove, and a slider is slidably disposed in the limiting groove, the slider being connected to the guide block.

[0010] Furthermore, a connecting plate is fixedly connected to the upper end of the support column, and the connecting plate has a mating hole.

[0011] Furthermore, an auxiliary connecting assembly is provided at the bottom of the positioning beam. The auxiliary connecting assembly includes a first hinge seat, the top of which is fixedly connected to the bottom of the positioning beam, and a support rod is hinged to the inner wall of the first hinge seat via a pin.

[0012] Furthermore, the lower end of the support rod is hinged to a second hinge seat via a pin, and a positioning seat is fixedly connected to the bottom of the second hinge seat.

[0013] Furthermore, a guide groove is provided on the upper surface of the supporting beam, and the positioning seat is slidably installed in the guide groove.

[0014] Furthermore, the upper surface of the positioning seat may have a second fastening hole, and the bottom of the supporting beam is provided with a second positioning hole.

[0015] Compared with existing technologies, the present invention has the following advantages:

[0016] This invention achieves initial positioning of the steel anchor beam module by first installing the supporting crossbeam on the bridge, then using hoisting equipment to lift the steel anchor beam module onto the connecting plate of the supporting column. When adjustment of the steel anchor beam module's position is required, jacks can be used to adjust the positioning crossbeam upwards, thus reducing the difficulty of positioning and installing the steel anchor beam module. During the upward movement of the positioning crossbeam, the support rod moves closer to the jack, causing the positioning seat to move along the guide groove. Once the positioning crossbeam is fixed in position, bolts can be used to fix the positioning seat to the supporting crossbeam, allowing the support rod to provide auxiliary support to the positioning crossbeam and improve support stability. Attached Figure Description

[0017] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments and descriptions of the invention are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0018] Figure 1 This is a front view of the connection structure between the modules of the cable-stayed bridge steel anchor beam positioning device proposed in this utility model.

[0019] Figure 2 This is a schematic diagram of the side frame structure of the connection structure between the modules of the cable-stayed bridge steel anchor beam positioning device proposed in this utility model.

[0020] Figure 3 This is a schematic diagram of the positioning beam structure, which shows the connection structure between the modules of the cable-stayed bridge steel anchor beam positioning device proposed in this utility model.

[0021] Figure 4 This is a schematic diagram of the supporting crossbeam structure connecting the modules of the cable-stayed bridge steel anchor beam positioning device proposed in this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Support beam; 2. Positioning mechanism; 201. Side frame; 202. Positioning beam; 203. Guide block; 204. Slider; 205. First fastening hole; 206. First positioning hole; 207. Limiting groove; 208. Support column; 209. Connecting plate; 210. Docking hole; 211. Vertical adjustment mechanism; 3. Auxiliary connecting assembly; 301. First hinge seat; 302. Support rod; 303. Second hinge seat; 304. Positioning seat; 305. Second fastening hole; 306. Guide groove; 307. Second positioning hole; 4. Positioning groove; 5. Reinforcing plate; 6. Mounting hole. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0025] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0026] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0027] The invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] Reference Figures 1 to 3 This utility model provides a connection structure between modules of a positioning device for a steel anchor beam of a cable-stayed bridge, including a supporting crossbeam 1. A positioning mechanism 2 is provided on the top of the supporting crossbeam 1. An installation hole 6 is provided on the back of the supporting crossbeam 1. The installation hole 6 facilitates the installation of the supporting crossbeam 1 on the bridge using bolts, thereby achieving the installation and fixation of the supporting crossbeam 1. The positioning mechanism 2 includes a side frame 201 and a positioning crossbeam 202. A guide block 203 is fixedly connected to the beam end of the positioning crossbeam 202. The outer wall of the guide block 203 is slidably connected to the inner wall of the side frame 201. The guide block 203 can limit the positioning crossbeam 202 and improve the stability of the positioning crossbeam 202.

[0029] The guide block 203 has a first fastening hole 205 on its side wall, and the side frame 201 has a first positioning hole 206 on its side wall. Through the first fastening hole 205 and the first positioning hole 206, the guide block 203 can be fixed to the side frame 201 with bolts after the positioning beam 202 is positioned, preventing the positioning beam 202 from moving after positioning. A vertical adjustment mechanism 211 is provided on the upper surface of the positioning beam 202. The vertical adjustment mechanism 211 allows for adjustment of the position and height of the positioning beam 202. The vertical adjustment mechanism 211 is removed after the steel anchor beam module is positioned and installed. A support column 208 is fixedly connected to the upper surface of the positioning beam 202. For example, the vertical adjustment mechanism includes a jack.

[0030] Reference Figure 1 and Figure 4There are two side frames 201. The lower ends of the two side frames 201 are fixedly connected to the left and right ends of the upper surface of the positioning beam 202, respectively. A reinforcing plate 5 is fixedly connected to the bottom of the supporting beam 1. The reinforcing plate 5 can support and reinforce the supporting beam 1. A positioning groove 4 is opened in the middle of the upper surface of the positioning beam 202. The lower end of the vertical adjustment mechanism 211 is placed in the positioning groove 4. The telescopic end of the vertical adjustment mechanism 211 abuts against the bottom of the positioning beam 202. The positioning groove 4 can limit the vertical adjustment mechanism 211 and prevent the vertical adjustment mechanism 211 from shifting and falling.

[0031] Reference Figure 2 and Figure 3 The inner wall of the side frame 201 has a limiting groove 207, and a slider 204 is slidably connected to the inner wall of the limiting groove 207. The outer wall of the slider 204 is fixedly connected to the outer wall of the guide block 203. The limiting groove 207 and the slider 204 can limit the slider 204, making the slider 204 more stable when moving. The upper end of the support column 208 is fixedly connected to the connecting plate 209. The upper surface of the connecting plate 209 has a docking hole 210. The support column 208 can support the bottom beam of the steel anchor beam module. The bottom beam of the steel anchor beam module can be connected and fixed to the connecting plate 209 with bolts through the connecting plate 209 and the docking hole 210.

[0032] Reference Figure 1 , Figure 3 and Figure 4 An auxiliary connection component 3 is provided at the bottom of the positioning beam 202. The auxiliary connection component 3 includes a first hinge seat 301. The top of the first hinge seat 301 is fixedly connected to the bottom of the positioning beam 202. The inner wall of the first hinge seat 301 is hinged to a support rod 302 by a pin. The support rod 302 can provide auxiliary support for the positioning beam 202. The lower end of the support rod 302 is hinged to a second hinge seat 303 by a pin. The bottom of the second hinge seat 303 is fixedly connected to a positioning seat 304. The two support rods 302 cooperate with the supporting beam 1 to form a triangular support, which improves the load-bearing capacity of the positioning beam 202 on the steel anchor beam module and avoids deformation problems.

[0033] The upper surface of the supporting beam 1 is provided with a guide groove 306, and the outer wall of the positioning seat 304 is slidably connected to the inner wall of the guide groove 306. The upper surface of the positioning seat 304 may have a second fastening hole 305, and the bottom of the supporting beam 1 is provided with a second positioning hole 307. With the setting of the second fastening hole 305 and the second positioning hole 307, the positioning seat 304 can be easily fixed to the supporting beam 1 with bolts.

[0034] Working principle:

[0035] After the support beam 1 is installed on the bridge, the hoisting equipment lifts the steel anchor beam module onto the connecting plate 209 of the support column 208, so that the connecting plate 209 abuts against the bottom of the steel anchor beam module. The connecting plate 209 is then fixed to the bottom of the steel anchor beam module by bolts, thus achieving the initial positioning of the steel anchor beam module. When it is necessary to adjust the position and height of the steel anchor beam module, the vertical adjustment mechanism 211 can be activated to adjust the positioning beam 202 upward, thereby adjusting the position and height of the steel anchor beam module and reducing the difficulty of positioning and installing the steel anchor beam module.

[0036] During the upward movement of the positioning beam 202, the support rod 302 will move closer to the vertical adjustment mechanism 211. At this time, the positioning seat 304 is moved along the guide groove 306. After the position of the positioning beam 202 is adjusted and fixed, the positioning seat 304 is fixed on the support beam 1 by means of bolts through the second fastening hole 305 and the second positioning hole 307, so that the support rod 302 plays an auxiliary support role for the positioning beam 202.

[0037] Then, the guide block 203 is fixed to the side frame 201 by bolts through the first fastening hole 205 and the first positioning hole 206, thus completing the fixing of the positioning beam 202. After that, the vertical adjustment mechanism 211 is removed from the support beam 1, and finally the steel anchor beam module is fixed to the bridge.

[0038] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A connection structure between modules of a positioning device for steel anchor beams of a cable-stayed bridge, characterized in that: The system includes a support beam (1), a positioning mechanism (2) and a vertical adjustment mechanism (211) on the upper side of the support beam (1), and a mounting plate on the lower side of the support beam (1), with mounting holes (6) on the mounting plate; the positioning mechanism (2) includes a side frame (201) and a positioning beam (202), a guide block (203) is fixedly connected to the beam end of the positioning beam (202), the guide block (203) slides with the side frame (201), a first fastening hole (205) is opened on the guide block (203), a first positioning hole (206) is opened on the side frame (201), and a support column (208) is provided on the positioning beam (202).

2. The connection structure between modules of the cable-stayed bridge steel anchor beam positioning device according to claim 1, characterized in that: There are two side frames (201), and the lower ends of the two side frames (201) are fixedly connected to the two ends of the positioning beam (202). The bottom of the supporting beam (1) is fixedly connected to a reinforcing plate (5).

3. The connection structure between modules of the cable-stayed bridge steel anchor beam positioning device according to claim 1, characterized in that: The upper surface of the positioning beam (202) has a positioning groove (4) in the middle, and the lower end of the vertical adjustment mechanism (211) is arranged in the positioning groove (4).

4. The connection structure between modules of a cable-stayed bridge steel anchor beam positioning device according to claim 1, characterized in that: The vertical adjustment mechanism (211) includes a jack, the telescopic end of which abuts against the bottom of the positioning beam (202).

5. The connection structure between modules of a cable-stayed bridge steel anchor beam positioning device according to claim 1, characterized in that: The side frame (201) has a limiting groove (207), and a slider (204) is slidably provided in the limiting groove (207). The slider (204) is connected to the guide block (203).

6. The connection structure between modules of a cable-stayed bridge steel anchor beam positioning device according to claim 1, characterized in that: The upper end of the support column (208) is fixedly connected to a connecting plate (209), and the connecting plate (209) is provided with a docking hole (210).

7. The connection structure between modules of a cable-stayed bridge steel anchor beam positioning device according to claim 1, characterized in that: The bottom of the positioning beam (202) is provided with an auxiliary connecting component (3). The auxiliary connecting component (3) includes a first hinge seat (301). The top of the first hinge seat (301) is fixedly connected to the bottom of the positioning beam (202). The inner wall of the first hinge seat (301) is hinged with a support rod (302) by a pin.

8. The connection structure between modules of a cable-stayed bridge steel anchor beam positioning device according to claim 7, characterized in that: The lower end of the support rod (302) is hinged to a second hinge seat (303) by a pin, and a positioning seat (304) is fixedly connected to the bottom of the second hinge seat (303).

9. The connection structure between modules of a cable-stayed bridge steel anchor beam positioning device according to claim 8, characterized in that: The upper surface of the supporting beam (1) is provided with a guide groove (306), and the positioning seat (304) is slidably installed in the guide groove (306).

10. The connection structure between modules of a cable-stayed bridge steel anchor beam positioning device according to claim 9, characterized in that: The upper surface of the positioning seat (304) may have a second fastening hole (305), and the bottom of the supporting beam (1) is provided with a second positioning hole (307).

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