Steel trestle steel pipe pile cantilever type positioning frame and construction method thereof

Abstract

The invention relates to a steel trestle steel pipe pile cantilever type positioning frame and a construction method thereof, and relates to the technical field of steel pipe pile construction, the steel trestle steel pipe pile cantilever type positioning frame comprises a steel pipe pile, a frame body, a positioning platform and a positioning assembly; the steel pipe piles are parallel to the first direction, the frame bodies are installed on the steel pipe piles, the two steel pipe piles are arranged in the second direction, the second direction is perpendicular to the first direction, the multiple sets of steel pipe piles are arranged in the third direction at intervals, the multiple frame bodies are arranged in the third direction, and the third direction is perpendicular to the first direction and the second direction. The two sides of the frame body are each provided with a positioning platform, and the positioning platforms are slidably connected to the frame body in the third direction. The positioning assembly is arranged on one side of the positioning platform and comprises two positioning pieces, the two positioning pieces are directly or indirectly connected to one side of the positioning platform, a positioning area for containing the steel pipe pile is formed between the two positioning pieces, and each positioning piece is rotationally connected to the positioning platform. The steel pipe pile mounting and positioning device has the effect of improving the steel pipe pile mounting and positioning stability.

Description

Technical Field

[0001] The present application relates to the technical field of steel pipe pile construction, and in particular to a cantilever positioning frame for steel pipe piles of a steel trestle and a construction method thereof. Background Art

[0002] At present, steel pipe piles are widely used as important supporting components in bridge construction projects. Traditional steel pipe pile positioning technology mostly relies on manual auxiliary equipment for rough positioning and then adjustment through precision measuring instruments. Although this method can meet the accuracy requirements to a certain extent, it has great limitations in efficiency and adaptability.

[0003] Under the relevant technology, when installing steel pipe piles, the steel pipe piles are generally first installed on the ground by a crane. After installing multiple steel pipe piles, the steel trestle is hoisted by the crane and installed on the steel pipe piles, and welded to the steel pipe piles. The installation is repeated section by section until the installation of the steel pipe piles is completed.

[0004] With regard to the above-mentioned related technologies, when installing the existing steel pipe piles, personnel are required to first measure the installation position of the steel pipe piles, then set the pile positions, and place the steel pipe piles on the pile positions through a crane. The entire process requires manual measurement, and the stability of the steel pipe piles cannot be ensured before the steel trestle and the steel pipe piles are installed. Summary of the invention

[0005] In order to improve the stability of steel pipe piles during installation and positioning, the present application provides a cantilever positioning frame for steel pipe piles of a steel trestle and a construction method thereof.

[0006] In the first aspect, the present application provides a cantilever positioning frame for steel pipe piles of a steel trestle, which adopts the following technical solution: A cantilever positioning frame for steel pipe piles of a steel trestle, comprising a steel pipe pile, a frame body, a positioning platform and a positioning assembly; The steel pipe piles are parallel to the first direction, the frame is installed on the steel pipe piles, two steel pipe piles are arranged along the second direction, the second direction is perpendicular to the first direction, multiple groups of steel pipe piles are arranged at intervals along the third direction, and multiple frames are arranged along the third direction, the third direction is perpendicular to both the first direction and the second direction; A positioning platform is provided on each side of the frame, and the positioning platform is slidably connected to the frame along the third direction; The positioning assembly is arranged on one side of the positioning platform, and the positioning assembly includes two positioning members, the two positioning members are directly or indirectly connected to one side of the positioning platform, a positioning area for accommodating the steel pipe piles is formed between the two positioning members, each of the positioning members is rotatably connected to the positioning platform, and the positioning members are parallel to the third direction along the rotation axis of the positioning platform.

[0007] By adopting the above technical solution, by setting the positioning assembly, the installation position of the steel pipe pile is positioned by two positioning members, and the positioning platform is connected to the frame body by sliding along the third direction. When the next steel pipe pile and the frame body need to be installed, the two positioning members are rotated downward along the third direction to make the two positioning members in an open state, and the positioning platform is slid along the third direction to further drive the positioning members to slide along the third direction. The position of the next steel pipe pile can be positioned by the two positioning members, and by setting the positioning assembly, when the steel pipe pile is located in the positioning area, the steel pipe pile is clamped and fixed by the two positioning members without the need for human support, thereby improving the stability of the steel pipe pile installation.

[0008] Optionally, the positioning assembly further includes a fixing frame, which is fixedly connected to one side of the positioning platform, the positioning member is located in the fixing frame and is rotatably connected to the fixing frame, and an opening is provided on one side of the fixing frame for the steel pipe pile to pass through.

[0009] By adopting the above technical solution, in order to connect the positioning member with the positioning platform, a fixing frame is set up, and the positioning member is connected to the positioning platform by the fixing frame, and an opening is provided on the fixing frame for the steel pipe pile to pass through, so as to move the positioning platform along the third direction for subsequent installation of the steel pipe pile and the frame.

[0010] Optionally, it further includes a first driving assembly for driving the positioning member to rotate along a third direction, wherein the first driving assembly includes a first mounting seat, a first rotating shaft and a motor; The first mounting seat is fixedly connected to the inner wall of the fixing frame; The first rotating shaft is parallel to the third direction, the first rotating shaft is rotatably connected to the first mounting seat, and the positioning member is directly or indirectly fixedly connected to the first rotating shaft; The motor output shaft is coaxially fixedly connected to the first rotating shaft, and the motor housing is fixedly connected to the fixing frame.

[0011] By adopting the above technical solution, in order to drive the positioning member to rotate along the third direction, a first driving component is set, and the motor drives the first rotating shaft to rotate along the third direction to drive the positioning member to rotate along the third direction, so that the two positioning members rotate downward until the two positioning members are separated so that the positioning member can continue to slide along the third direction.

[0012] Optionally, it also includes a clamping assembly, which is located in the positioning area. The clamping assembly includes a mounting frame, a roller and a telescopic rod. The telescopic direction of the telescopic rod is perpendicular to the first direction. The fixed section of the telescopic rod is fixedly connected to the side wall of the positioning member, and the movable section of the telescopic rod is fixedly connected to the mounting frame. The fixed section and the movable section of the telescopic rod are slidably connected at one end thereof, and the roller is rotatably connected to the mounting frame.

[0013] By adopting the above technical solution, in order to position and clamp steel pipe piles with different outer diameters, a clamping assembly is set up. Under the telescopic action of the telescopic rod, the telescopic rod is connected between the roller and the positioning member, so that the roller can clamp and fix the steel pipe piles with different outer diameters.

[0014] Optionally, the clamping assembly also includes an elastic member, which is sleeved on the fixed section of the telescopic rod, one end of the elastic member is fixedly connected to the mounting frame, and the other end is fixedly connected to the fixed section of the telescopic rod, and the elastic member has a force to drive the roller to move toward a side away from the positioning member under a recoverable deformation.

[0015] By adopting the above technical solution, in order to enable the roller to reset, an elastic member is provided. Under the action of the elastic member, the roller can return to the initial position, and the roller can clamp the steel pipe pile more stably.

[0016] Optionally, a first slide rail is installed on each of the frames of the first sliding assembly, and the first slide rail is parallel to the third direction. The positioning platform slides along the first slide rail. A first plug-in groove is opened at one end of the first slide rail along the third direction, and a first plug-in block is fixedly connected to the other end. The first plug-in block of one first slide rail along the third direction is plugged into and matched with the first plug-in groove of another first slide rail.

[0017] By adopting the above technical solution, in order to drive the positioning platform to slide along the third direction, a first slide rail is installed on the frame, and the first slide rails of two adjacent frames are plugged and connected to each other to achieve stable sliding of the positioning platform along the third direction on the first slide rail.

[0018] Optionally, the positioning platform is slidably connected to the frame along a first direction.

[0019] By adopting the above technical solution, after the steel pipe piles are installed, in order to facilitate the installation of the frame on the steel pipe piles and not interfere with the installation of the frame, the positioning platform is slidably connected to the frame along a first direction so that the positioning platform can slide in the first direction. Before installing the next section of the frame, the positioning platform is slid downward along the first direction to facilitate the installation of the frame.

[0020] Optionally, it further includes a first sliding assembly for driving the positioning platform to slide along a first direction, wherein the first sliding assembly includes a second sliding rail, a first sliding block and a driving member; The second slide rail is parallel to the first direction, one side of the second slide rail is fixedly connected to the first slider, and one end of the second slide rail extends to the bottom of the frame; The first slider is located in the first slide rail and slides along the third direction, and a second slider is fixedly connected to one side of the positioning platform, and the second slider is located in the second slide rail and slides along the first direction; The driving member is fixedly connected to the second slide rail to drive the positioning platform to slide along a first direction.

[0021] By adopting the above technical solution, in order to drive the positioning platform to slide along the first direction, a sliding assembly is set up, and the first slider slides along the third direction on the first slide rail, thereby driving the positioning platform to slide along the third direction through the second slide rail, and the driving member drives the second slider to slide in the second slide rail, thereby driving the positioning platform to slide along the first direction to ensure that the positioning platform does not interfere with the installation of the frame.

[0022] Optionally, it also includes a supporting assembly, which includes a third slide rail and a telescopic column, the third slide rail is parallel to the first direction, the third slide rail is fixedly connected to one side of the frame, and the third slide rail is located above the first slide rail, the fixed section of the telescopic column is rotatably connected to a first mounting seat, the first mounting seat is located in the third slide rail and slides along the third direction, the movable section of the telescopic column is rotatably connected to the positioning platform, and the fixed section and movable section of the telescopic column are slidably connected at adjacent ends.

[0023] By adopting the above technical solution, when the positioning platform slides along the third direction, in order to further improve the stability of the positioning platform, a support assembly is provided so that the positioning platform is supported by the telescopic column, thereby improving the stability of the positioning platform.

[0024] In a second aspect, the present application also provides a construction method for a cantilever positioning frame of a steel trestle steel pipe pile, comprising the following steps: S1: Install the first frame: The steel pipe piles are moved and installed on the ground by a crane, two steel pipe piles arranged along the second direction are fixed by reinforcing steel, and the frame is placed on the reinforcing steel by a crane and fixed by welding; S2: Install the positioning platform; When installing the next frame, the first plug-in block of the first slide rail of the frame to be installed is located in the first plug-in slot of the first slide rail of the previous frame, and the positioning platform and the second slide rail are installed on the first slide rail; S3: Start installation: The motor drives the first rotating shaft to rotate, driving the positioning member to rotate downward, so that the two positioning members are opened, and the second slide rail is slid along the third direction to drive the positioning platform to slide to the next steel pipe pile installation position; S4: Dismantle the positioning platform: After the frame and steel pipe piles are installed, remove the positioning platform from the frame.

[0025] By adopting the above technical scheme, a steel pipe pile is first fixedly installed on the ground by a crane. In the second direction, after the two steel pipe piles are installed, the reinforcing steel is welded to the two steel pipe piles. Then, a frame section is hoisted on the reinforcing rod by the crane and welded to the reinforcing rod. The steel pipe pile is hoisted through the positioning area by the crane and fixed. The driving member drives the positioning platform to slide along the first direction, driving the positioning platform to slide downward along the first direction. The crane hoists the frame onto the steel pipe pile, and makes the first plug-in block of the first slide rail on the frame to be installed engage with the first plug-in groove of the previous first slide rail. In the third direction, when installing the next steel pipe pile, the motor drives the positioning member to rotate along the third direction to make the positioning member rotate downward and slide the positioning platform along the third direction to carry out the subsequent installation of the steel pipe pile and the frame. After the installation is completed, the positioning platform can be removed.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The present application arranges a positioning assembly, and two positioning members are used to position the installation position of the steel pipe pile, and the positioning platform is connected to the frame body by sliding along the third direction. When the next steel pipe pile and the frame body need to be installed, the two positioning members are rotated downward along the third direction to make the two positioning members in an open state, and the positioning platform is slid along the third direction to further drive the positioning members to slide along the third direction, so that the position of the next steel pipe pile can be positioned by the two positioning members, and by arranging the positioning assembly, when the steel pipe pile is located in the positioning area, the steel pipe pile is clamped and fixed by the two positioning members, and no human support is required, thereby improving the stability of the steel pipe pile installation; 2. The present application provides a clamping assembly so that the roller can guide the sliding of the steel pipe pile and can clamp and fix the steel pipe piles of different outer diameters; 3. The present application sets up a support component, so that when sliding along the third direction, the support component can still provide stable support for the positioning platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the overall structure of a cantilever type positioning frame for steel pipe piles of a steel trestle bridge of the present application; Figure 2 It is a schematic diagram of the structure of the positioning component of the present application; Figure 3 It is a schematic diagram of the structure of the clamping assembly of the present application; Figure 4 This application Figure 3 Schematic diagram of the structure of part A; Figure 5 It is a structural schematic diagram of the connection between the first slide rail and the frame of the present application; Figure 6 It is a structural schematic diagram of the first slide rail of the present application; Figure 7It is a schematic diagram of the structure of the supporting components of this application; Figure 8 It is a structural schematic diagram of the third slide rail of the present application.

[0028] Explanation of the accompanying drawings: 1. steel pipe pile; 2. frame; 21. first working platform; 3. positioning platform; 4. positioning assembly; 41. fixing frame; 411. opening; 42. positioning member; 421. positioning area; 43. second working platform; 5. first driving assembly; 51. first mounting seat; 52. first rotating shaft; 53. motor; 54. second mounting seat; 6. clamping assembly; 61. mounting frame; 62. roller; 63. telescopic rod; 64. elastic member; 7. first slide rail; 71. first plug-in slot; 72. first plug-in block; 8. sliding assembly; 81. second slide rail; 82. first slider; 83. driving member; 84. second slider; 9. supporting assembly; 91. third slide rail; 911. second plug-in block; 912. second plug-in slot; 92. telescopic column; 93. third mounting seat. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-8 This application is described in further detail.

[0030] The present application embodiment discloses a cantilever positioning frame for steel pipe piles of a steel trestle. Figure 1 The cantilever positioning frame of the steel pipe pile 1 of the steel trestle includes a steel pipe pile 1, a frame body 2, a positioning platform 3 and a positioning component 4. The steel pipe pile 1 is parallel to the first direction, the frame body 2 is installed on the steel pipe pile 1, two steel pipe piles 1 are arranged along the second direction, and the second direction is perpendicular to the first direction. A plurality of steel pipe piles 1 are arranged at intervals along the third direction, and a plurality of frame bodies 2 are arranged along the third direction, and the third direction is perpendicular to both the first direction and the second direction. A positioning platform 3 is arranged on each side of the frame body 2, and the positioning platform 3 is slidably connected to the frame body 2 along the third direction, and a positioning component 4 is arranged on one side of the positioning platform 3; the steel pipe pile 1 is positioned by the positioning component 4, and personnel can stand on the positioning platform 3 to work, and a first working platform 21 is laid on the reinforcing steel of the steel pipe pile 1; Reference Figure 1 and Figure 2 The positioning assembly 4 includes a fixed frame 41 and two positioning members 42. The fixed frame 41 is fixedly connected to the positioning platform 3. An opening 411 is provided on one side of the fixed frame 41 so that the fixed frame 41 can pass through the steel pipe pile 1 and slide along the third direction with the positioning platform 3. The two positioning members 42 are located in the fixed frame 41. The two positioning members 42 are spliced ​​together to form a positioning area 421 for accommodating the steel pipe pile 1. In this embodiment, each positioning member 42 is semicircular, and the two positioning members 42 are spliced ​​to form a circular ring structure. The inner ring of the circular ring is the positioning area 421 for accommodating the steel pipe pile 1. Reference Figure 1 and Figure 2 The steel pipe pile 1 is moved by a crane to pass through the positioning area 421. After the two steel pipe piles 1 along the third direction are installed, reinforcing steel is fixedly connected to the two steel pipe piles 1. The frame 2 is hoisted onto the reinforcing steel by a crane and welded, thereby completing the installation of the frame 2.

[0031] Reference Figure 2 In order to enable the positioning assembly 4 to continue to slide along the third direction so as to position the subsequent steel pipe pile 1, the positioning member 42 is rotatably connected to the fixed frame 41, and the positioning member 42 is parallel to the third direction along the rotation axis of the fixed frame 41, that is, when the two positioning members 42 are rotated along the positioning frame to be spliced ​​into a circular ring, the two positioning members 42 are in a relatively fixed state, and the position of the steel pipe pile 1 is positioned by the two positioning members 42. When the positioning member 42 needs to slide along the third direction, it only needs to be rotated along the workbench to open the two positioning members 42, so that the positioning member 42 can slide along the third direction with the following positioning platform 3.

[0032] Reference Figure 2 In order to drive the positioning member 42 to rotate along the third direction, a first driving assembly 5 is provided between each positioning member 42 and the fixed frame 41, and the first driving assembly 5 includes a first mounting seat 51, a first rotating shaft 52 and a motor 53. The first mounting seat 51 is fixedly connected to the side wall of the fixed frame 41, and the first rotating shaft 52 is arranged parallel to the third direction. The first rotating shaft 52 is rotatably connected to the first mounting seat 51, and the positioning member 42 is fixedly connected to the first rotating shaft 52 through the second mounting seat 54. The output shaft of the motor 53 is coaxially fixedly connected to the first rotating shaft 52, and the motor 53 housing is fixedly connected to the side wall of the fixed frame 41; the motor 53 drives the first rotating shaft 52 to rotate along the third direction to drive the positioning member 42 to rotate along the third direction, so that the two positioning members 42 rotate downward until the two positioning members 42 are separated so that the positioning members 42 can continue to slide along the third direction.

[0033] Reference Figure 3 and Figure 4In order to position the steel pipe piles 1 with different outer diameters, the cantilever positioning frame of the steel trestle steel pipe pile 1 also includes a clamping assembly 6, and the clamping assembly 6 is distributed in multiple directions along the circumference of the circular ring formed by splicing the two positioning members 42. The clamping assembly 6 includes a mounting frame 61, a roller 62 and a telescopic rod 63. In this embodiment, the mounting frame 61 is concave, and the roller 62 is located in the concave groove of the mounting frame 61. The axis of the roller 62 coincides with the rotation axis of the roller 62 along the mounting frame 61. The roller 62 is arranged parallel to the tangent of the circular ring along the rotation axis of the mounting frame 61. The fixed section of the telescopic rod 63 is fixedly connected to the positioning member 42, and the movable section of the telescopic rod 63 is fixedly connected to the mounting frame 61. The fixed section of the telescopic rod 63 is movably connected to one end close to the movable section; the sliding of the steel pipe pile 1 in the positioning area 421 can be guided by the roller 62, and the steel pipe piles 1 with different outer diameters can be clamped and fixed by the telescopic rod 63.

[0034] Reference Figure 4 In order to improve the stability of the roller 62 clamping and fixing the steel pipe pile 1, the clamping assembly 6 also includes an elastic member 64. The telescopic direction of the elastic member 64 is parallel to the telescopic rod 63. The elastic member 64 is sleeved on the movable section of the telescopic rod 63. One end of the elastic member 64 is fixedly connected to the mounting frame 61, and the other end is fixedly connected to the fixed section of the telescopic rod 63. In this embodiment, the elastic member 64 is a compression spring. The elastic member 64 has a force to drive the roller 62 to move toward the side away from the positioning member 42 under a recoverable deformation.

[0035] Reference Figure 2 In order to expand the working range of personnel, a second working platform 43 is fixedly connected between the two fixed frames 41 so that personnel can stand on the second working platform 43 to work.

[0036] Reference Figure 5 In order to drive the positioning platform 3 to slide along the third direction, the cantilever positioning frame of the steel trestle steel pipe pile 1 also includes a first slide rail 7. The first slide rails 7 are installed on both sides of the frame body 2. The positioning platform 3 is slidably connected to the first slide rail 7, and the positioning platform 3 can slide on the first slide rail 7 along the third direction; in the third direction, after a steel pipe pile 1 is installed, the positioning platform 3 can slide on the first slide rail 7 along the third direction to facilitate the subsequent installation of the steel pipe pile 1.

[0037] Reference Figure 5 and Figure 6In order to enable the positioning platform 3 to slide smoothly along the third direction, a first slide rail 7 is installed on each frame body 2, and a first plug-in groove 71 is opened at one end of the first slide rail 7 along the third direction, and a first plug-in block 72 is fixedly connected at the other end. The first plug-in block 72 of one first slide rail 7 is plugged into and matched with the first plug-in groove 71 of another first slide rail 7 along the third direction; when a frame body 2 is hoisted and installed by a crane, ensure that the first plug-in block 72 of the first slide rail 7 on the frame body 2 to be installed is plugged into and matched with the first plug-in groove 71 of the first slide rail 7 on the previous frame body 2, thereby realizing the fixation of two adjacent first slide rails 7, so that the positioning platform 3 can always slide forward smoothly along the first slide rail 7.

[0038] Reference Figure 5 After the steel pipe pile 1 is installed, in order to facilitate the installation of the frame 2 on the steel pipe pile 1, the positioning platform 3 is slidably connected to the frame 2 along a first direction, so that the positioning platform 3 can slide along the first direction, thereby not interfering with the installation of the frame 2.

[0039] Reference Figure 5 In order to drive the positioning platform 3 to slide along the first direction, the cantilever positioning frame of the steel trestle steel pipe pile 1 also includes a sliding assembly 8, which includes a second slide rail 81, a first slider 82 and a driving member 83. The second slide rail 81 is parallel to the first direction, one side of the second slide rail 81 is fixedly connected to the first slider 82, one end of the second slide rail 81 extends to the bottom of the frame body 2, the first slider 82 is located in the first slide rail 7 and slides along the third direction, and the positioning platform 3 is fixedly connected to a second slider 84 on one side close to the second slide rail 81, the second slider 84 is located in the second slide rail 81 and slides along the first direction, and the driving member 83 It is fixedly connected to the second slide rail 81 to drive the positioning platform 3 to slide along the first direction. In this embodiment, the slide groove on the first slide rail 7 is a T-slot, the slide groove on the second slide rail 81 is a T-slot, the cross-sections of the first slider 82 and the second slider 84 are both T-shaped, and the driving member 83 is a cylinder. The first slider 82 slides along the third direction on the first slide rail 7, thereby driving the positioning platform 3 to slide along the third direction through the second slide rail 81. The driving member 83 drives the second slider 84 to slide in the second slide rail 81, thereby driving the positioning platform 3 to slide along the first direction to ensure that the positioning platform 3 does not interfere with the installation of the frame 2.

[0040] Reference Figure 7When the positioning platform 3 slides along the third direction, in order to further improve the stability of the positioning platform 3, the cantilever positioning frame of the steel trestle steel pipe pile 1 also includes a support assembly 9, which is arranged on the side of the positioning platform 3 away from the second slide rail 81. The support assembly 9 includes a third slide rail 91 and a telescopic column 92. The third slide rail 91 is parallel to the first direction, the third slide rail 91 is fixedly connected to one side of the frame body 2, and the third slide rail 91 is located above the first slide rail 7. The telescopic column 92 is tilted, and the fixed section of the telescopic column 92 is rotatably connected to the third mounting seat 93. The third mounting seat 93 is located in the third slide rail 91 and slides along the third direction. The movable section of the telescopic column 92 is rotatably connected to the positioning platform 3 through the fourth mounting seat, and the fixed section and the movable section of the telescopic column 92 are slidably connected at one end; when the positioning platform 3 drives the positioning member 42 to slide toward the next steel pipe pile 1 installation position along the third direction, the telescopic column 92 is still connected to the third slide rail 91 of the upper frame body 2, so that the positioning platform 3 is supported by the telescopic column 92, thereby improving the stability of the positioning platform 3.

[0041] Reference Figure 8 In order to enable the third mounting seat 93 to slide smoothly along the third slide rail 91, a second plug-in block 911 is fixedly connected to one side of the third slide rail 91, and a second plug-in groove 912 is opened at the other end along the third direction. When installing the frame 2, the second plug-in block 911 on the frame 2 to be installed is plugged into and matched with the second plug-in groove 912 on the previous frame 2, ensuring that the third slide rails 91 of the two adjacent frames 2 are fixedly connected, so that the third mounting seat 93 can slide smoothly along the third slide rail 91.

[0042] The implementation principle of a cantilever positioning frame for steel pipe piles 1 of a steel trestle in the embodiment of the present application is as follows: during construction, a steel pipe pile 1 is first fixedly installed on the ground by a crane. In the second direction, after two steel pipe piles 1 are installed, the reinforcing steel is welded to the two steel pipe piles 1, and then a section of the frame 2 is hoisted on the reinforcing rod by a crane and welded to the reinforcing steel. The steel pipe pile 1 is hoisted and fixed through the positioning area 421 by the crane, and the driving member 83 drives the positioning platform 3 to slide along the first direction, driving the positioning platform 3 to slide downward along the first direction. The crane hoists the frame 2 on the steel pipe pile 1, and makes the first plug-in block 72 of the first slide rail 7 on the frame 61 to be installed engage with the first plug-in groove 71 of the previous first slide rail 7. In the third direction, when installing the next steel pipe pile 1, the motor 53 drives the positioning member 42 to rotate along the third direction, so that the positioning member 42 rotates downward, and slides the positioning platform 3 along the third direction to perform subsequent installation of the steel pipe pile 1 and the frame 2. After the installation is completed, the positioning platform 3 can be removed.

[0043] The present application also discloses a construction method of a cantilever positioning frame of a steel trestle steel pipe pile 1, comprising the following steps: S1: Install the first frame 2: The steel pipe pile 1 is moved and installed on the ground by a crane, two steel pipe piles 1 arranged along the second direction are fixed by reinforcing steel, and the frame 2 is placed on the reinforcing steel by a crane and fixed by welding; S2: Install positioning platform 3; When installing the next frame 2, the first plug-in block 72 of the first slide rail 7 of the frame 2 to be installed is located in the first plug-in slot 71 of the first slide rail 7 of the previous frame 2, and the positioning platform 3 and the second slide rail 81 are installed on the first slide rail 7; S3: Start installation: The motor 53 drives the first rotating shaft 52 to rotate, driving the positioning member 42 to rotate downward, so that the two positioning members 42 are opened, and the second slide rail 81 is slid along the third direction to drive the positioning platform 3 to slide to the next steel pipe pile 1 installation position; S4: Dismantle positioning platform 3: After the frame 2 and the steel pipe piles 1 are installed, the positioning platform 3 is removed from the frame 2 .

[0044] 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 cantilever positioning frame for steel pipe piles of a steel trestle, characterized in that: It comprises a steel pipe pile (1), a frame (2), a positioning platform (3) and a positioning component (4); The steel pipe pile (1) is parallel to the first direction, the frame (2) is installed on the steel pipe pile (1), two steel pipe piles (1) are arranged along the second direction, the second direction is perpendicular to the first direction, a plurality of groups of steel pipe piles (1) are arranged at intervals along the third direction, a plurality of frames (2) are arranged along the third direction, the third direction is perpendicular to both the first direction and the second direction; A positioning platform (3) is provided on each side of the frame (2), and the positioning platform (3) is slidably connected to the frame (2) along a third direction; The positioning assembly (4) is arranged on one side of the positioning platform (3), and the positioning assembly (4) comprises two positioning members (42). The two positioning members (42) are directly or indirectly connected to one side of the positioning platform (3), and a positioning area (421) for accommodating the steel pipe pile (1) is formed between the two positioning members (42). Each positioning member (42) is rotatably connected to the positioning platform (3), and the positioning member (42) is parallel to a third direction along the rotation axis of the positioning platform (3).

2. A cantilever positioning frame for steel trestle steel pipe piles (1) according to claim 1, characterized in that: The positioning assembly (4) further comprises a fixing frame (41), wherein the fixing frame (41) is fixedly connected to one side of the positioning platform (3), the positioning member (42) is located in the fixing frame (41) and is rotatably connected to the fixing frame (41), and an opening (411) is provided on one side of the fixing frame (41) for the steel pipe pile (1) to pass through.

3. A cantilever positioning frame for steel trestle steel pipe piles (1) according to claim 2, characterized in that: It also includes a first driving assembly (5) for driving the positioning member (42) to rotate along a third direction, wherein the first driving assembly (5) includes a first mounting seat (51), a first rotating shaft (52) and a motor (53); The first mounting seat (51) is fixedly connected to the inner wall of the fixing frame (41); The first rotating shaft (52) is parallel to the third direction, the first rotating shaft (52) is rotatably connected to the first mounting seat (51), and the positioning member (42) is directly or indirectly fixedly connected to the first rotating shaft (52); The output shaft of the motor (53) is coaxially fixedly connected to the first rotating shaft (52), and the housing of the motor (53) is fixedly connected to the fixing frame (41).

4. A cantilever positioning frame for steel pipe piles (1) of a steel trestle according to claim 1, characterized in that: The invention also comprises a clamping assembly (6), wherein the clamping assembly (6) is located in the positioning area (421), the clamping assembly (6) comprises a mounting frame (61), a roller (62) and a telescopic rod (63), the telescopic direction of the telescopic rod (63) is perpendicular to the first direction, the fixed section of the telescopic rod (63) is fixedly connected to the side wall of the positioning member (42), the movable section of the telescopic rod (63) is fixedly connected to the mounting frame (61), the fixed section and the movable section of the telescopic rod (63) are slidably connected at one end thereof, and the roller (62) is rotatably connected to the mounting frame (61).

5. A cantilever positioning frame for steel trestle steel pipe piles (1) according to claim 4, characterized in that: The clamping assembly (6) further comprises an elastic member (64), wherein the elastic member (64) is sleeved on the fixed section of the telescopic rod (63), one end of the elastic member (64) is fixedly connected to the mounting frame (61), and the other end is fixedly connected to the fixed section of the telescopic rod (63), and the elastic member (64) has a force to drive the roller (62) to move toward a side away from the positioning member (42) under a recoverable deformation.

6. A cantilever positioning frame for steel pipe piles (1) for a steel trestle bridge according to claim 1, characterized in that: A first slide rail (7) is installed on each of the frames (2) of the first slide assembly (8), and the first slide rail (7) is parallel to the third direction. The positioning platform (3) slides along the first slide rail (7), and one end of the first slide rail (7) is provided with a first plug-in groove (71) along the third direction, and the other end is fixedly connected with a first plug-in block (72). The first plug-in block (72) of one of the first slide rails (7) is plugged into and matched with the first plug-in groove (71) of another of the first slide rails (7) along the third direction.

7. A cantilever positioning frame for steel trestle steel pipe piles (1) according to claim 6, characterized in that: The positioning platform (3) is slidably connected to the frame (2) along a first direction.

8. A cantilever positioning frame for steel trestle steel pipe piles (1) according to claim 7, characterized in that: It also includes a first sliding assembly (8) for driving the positioning platform (3) to slide along a first direction, the first sliding assembly (8) including a second sliding rail (81), a first sliding block (82) and a driving member (83); The second slide rail (81) is parallel to the first direction, one side of the second slide rail (81) is fixedly connected to the first sliding block (82), and one end of the second slide rail (81) extends to the bottom of the frame (2); The first sliding block (82) is located in the first sliding rail (7) and slides along the third direction; a second sliding block (84) is fixedly connected to one side of the positioning platform (3); the second sliding block (84) is located in the second sliding rail (81) and slides along the first direction; The driving member (83) is fixedly connected to the second slide rail (81) to drive the positioning platform (3) to slide along a first direction.

9. A cantilever positioning frame for steel pipe piles (1) for a steel trestle according to claim 6, characterized in that: The invention also comprises a support assembly (9), wherein the support assembly (9) comprises a third slide rail (91) and a telescopic column (92), wherein the third slide rail (91) is parallel to the first direction, the third slide rail (91) is fixedly connected to one side of the frame body (2), and the third slide rail (91) is located above the first slide rail (7), the fixed section of the telescopic column (92) is rotatably connected to a first mounting seat (51), the first mounting seat (51) is located in the third slide rail (91) and slides along the third direction, the movable section of the telescopic column (92) is rotatably connected to the positioning platform (3), and the fixed section and movable section of the telescopic column (92) are slidably connected at one end thereof which is close to each other.

10. A construction method for a cantilever positioning frame for steel pipe piles (1) of a steel trestle bridge, according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: Install the first frame (2): The steel pipe pile (1) is moved and installed on the ground by a crane, two steel pipe piles (1) arranged along the second direction are fixed by reinforcing steel, and the frame (2) is placed on the reinforcing steel by a crane and fixed by welding; S2: Install the positioning platform (3); When installing the next frame (2), the first plug-in block (72) of the first slide rail (7) of the frame (2) to be installed is located in the first plug-in slot (71) of the first slide rail (7) of the previous frame (2), and the positioning platform (3) and the second slide rail (81) are installed on the first slide rail (7); S3: Start installation: The motor (53) drives the first rotating shaft (52) to rotate, driving the positioning member (42) to rotate downward, so that the two positioning members (42) are opened, and the second slide rail (81) is slid along the third direction to drive the positioning platform (3) to slide to the next steel pipe pile (1) installation position; S4: Dismantle the positioning platform (3): After the frame (2) and the steel pipe piles (1) are installed, the positioning platform (3) is removed from the frame (2).

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