A bridge pier column installation and positioning structure and its usage method

Abstract

This invention relates to the field of bridge pier positioning device technology, specifically to a bridge pier column installation and positioning structure and method. The structure includes a first rectangular frame surrounding the pile foundation, comprising two L-shaped arms. Each L-shaped arm has an external mounting base on one arm, and each mounting base has a self-adjusting structure. The self-adjusting structure includes a first base, a linear movement structure at the lower end of the first base, and a V-shaped arm at the upper end of the first base. The V-shaped arm has a short arm and a long arm, which meet at the upper end of the first base and are hinged. A first U-shaped frame is provided at one end of the short arm, and a first roller is provided on the first U-shaped frame. Two jack support structures are symmetrically arranged on both sides of the self-adjusting structure. This invention, with its self-adjusting structure and jack support structures, achieves automatic adjustment of the pier column's position, preventing manual placement under potentially tilting pier columns.

Description

Technical Field

[0001] This invention relates to the field of bridge pier positioning device technology, specifically to a bridge square pier column installation and positioning structure, and further to a method of using the bridge square pier column installation and positioning structure. Background Technology

[0002] With the popularization of prefabrication and assembly construction technology in urban bridge or pier construction, the steel bar sleeve grouting connection technology has been gradually applied in the vertical connection of prefabricated concrete components such as prefabricated piers and prefabricated cap beams. The prefabricated piers in the viaduct range in height from more than ten meters to tens of meters and can weigh up to hundreds of tons. If the prefabricated piers cannot cooperate, it will affect the safety of the beam above. The traditional axial positioning method cannot accurately control the plane position and verticality of the prefabricated piers, the construction process is cumbersome, the safety risks are high, and the positioning accuracy is low.

[0003] The working principle of the pier installation positioning baffle disclosed in Chinese patent CN213142768U is as follows: at least two positioning baffles are placed in the designated position according to the drawing requirements to form a space for pier installation. The angle between the two positioning baffles is determined according to the shape of the pier. The fixing part is fixed to the ground with rivets to initially fix the positioning baffles. Then, according to the geographical conditions, the threaded holes in the appropriate positions are selected to fix one end of the fixing rod to the positioning plate. Finally, the other end of the fixing rod is fixed to the ground one by one by the second fixing part to fix the positioning baffle as a whole.

[0004] The above-mentioned plan requires on-site construction personnel to carry out construction work under the hoisted pier. However, the pier may tilt during hoisting, putting the construction personnel in danger. Furthermore, the use of positioning devices may cause wear and tear on the surface of the pier, reducing its service life. Summary of the Invention

[0005] To address the problems existing in current technology, this invention provides a bridge pier installation and positioning structure and its usage method. The invention includes a self-adjusting structure and a jack support structure. When the long arms of the four V-shaped arms abut against the four sides of the pier, the pier is positioned directly above the pile foundation. Several jack support structures gradually lower the pier until it connects with the pile foundation, thereby automatically adjusting the position of the pier and preventing manual placement under the potentially collapsing pier.

[0006] To address the problems of existing technologies, this invention provides a bridge pier column installation and positioning structure and its usage method. The structure includes a first rectangular frame surrounding the pile foundation. The first rectangular frame comprises two L-shaped arms of equal length. Several first guide posts are provided on the outer sides of each L-shaped arm. An installation base is provided on the outer side of one arm of each L-shaped arm, with several insertion holes that engage with the first guide posts, positioning the installation base in the middle of one arm of the L-shaped arm. Each installation base is equipped with a self-adjusting structure for adjusting the position of the pier column. The self-adjusting structure includes a first base, a linear movement structure for driving the first base to move at its lower end, and a V-shaped arm at its upper end. The V-shaped arm has a short arm and a long arm, which meet at the upper end of the first base and are hinged. A first U-shaped frame is provided at one end of the short arm, and a first roller is provided on the first U-shaped frame. Two jack support structures are symmetrically arranged on both sides of the self-adjusting structure.

[0007] Preferably, one end of the long arm of the V-shaped arm is provided with a rolling support structure, the rolling support structure includes a fixed plate, the middle part of the fixed plate is connected to one end of the long arm, a movable plate is provided on one side of the fixed plate, the movable plate is connected to the fixed plate, a second U-shaped frame is provided on one side of the movable plate, and a second roller is provided on the second U-shaped frame.

[0008] Preferably, the movable plate is provided with a support width adjustment structure at both ends. The support width adjustment structure includes two second moving blocks, and a second screw is provided in the middle of the two second moving blocks. Threaded holes are opened in the middle of both ends of the movable plate. One end of the two second screws is screwed into the two threaded holes respectively. A second handle is provided at the other end of the two second screws. A third U-shaped frame is provided on one side of the second moving block. A third roller is provided on the third U-shaped frame. Sliding sleeves are provided on both the upper and lower sides of the movable plate. The sliding sleeves are fixedly connected to the movable plate. Two sliding rods are symmetrically arranged inside the sliding sleeves. One end of the sliding rod is slidably connected to the sliding sleeve, and the other end of the sliding rod is fixedly connected to the second moving block.

[0009] Preferably, the linear movement structure includes a second rectangular frame, a first screw is disposed inside the second rectangular frame, the two ends of the first screw are respectively connected to the two ends of the second rectangular frame, a first base is drivenly connected to the first screw, and a first handle is disposed at one end of the first screw.

[0010] Preferably, both sides of the second rectangular frame are provided with sliders. One end of the slider is connected to the second rectangular frame, and the other end of the slider is provided with a socket. Two right-angle plates are symmetrically arranged on both sides of the second rectangular frame. One surface of the right-angle plate is provided with a strip groove, and the slider is slidably disposed in the strip groove. The other surface of the right-angle plate is provided with a first fixing hole and a second fixing hole. A pin is provided at the upper end of the slider, and the lower end of the pin is inserted into the socket. A first pressure spring is sleeved on the pin. One end of the first pressure spring is connected to the slider, and the other end of the first pressure spring is connected to the pin.

[0011] Preferably, the first screw is further provided with a first elastic support structure, the first elastic support structure including a first movable block, the first movable block being connected to the first screw via a transmission, the upper end of the first movable block being provided with an elastic connecting arm, the two ends of the elastic connecting arm being respectively provided with a first hinge seat and a second hinge seat, the first hinge seat being connected to the first movable block, and the second hinge seat being connected to the long arm of the V-shaped arm.

[0012] Preferably, the lower end of the first base is provided with a base support structure, the base support structure includes a bracket, there are two brackets, the upper end of the brackets is connected to the first base, and a number of first rollers are equally spaced between the two brackets.

[0013] Preferably, a second elastic support structure is provided between the fixed plate and the movable plate. The second elastic support structure includes a second guide post, and there are at least two second guide posts. The two second guide posts are symmetrically arranged about the middle surface of the fixed plate. The middle part of the second guide post is slidably connected to the fixed plate. A first connecting plate and a second connecting plate are respectively provided at both ends of the two second guide posts. The two ends of the first connecting plate are respectively connected to one end of the two second guide posts, and the two ends of the second connecting plate are respectively connected to the other end of the two second guide posts. A second pressure spring is provided on one side of the fixed plate. One end of the second pressure spring is connected to the first connecting plate, and the other end of the second pressure spring is connected to the fixed plate.

[0014] Preferably, the jack support structure includes a jack, the lower end of which is fixedly connected to the mounting base, and the upper end of the jack is provided with a mounting plate, which is fixedly connected to the square pier column. The mounting plate is provided with a connecting plate, which cooperates with the upper end of the jack.

[0015] A method for using a bridge pier column installation and positioning structure includes the following steps:

[0016] S1. Select an appropriate L-shaped arm based on the width of the pile foundation, and the two L-shaped arms together form a rectangular frame;

[0017] S2, and then connect the four mounting bases to the four faces of the rectangular frame respectively;

[0018] S3, place the short arm of the V-shaped arm within the projection range of the pile foundation;

[0019] S4, the square pier is gradually lowered from the top of the pile foundation. The lower surface of the square pier contacts the short arm of the V-shaped arm. The first roller is tangent to the bottom of the square pier. During the descent of the square pier, a downward force is applied to the short arm. The V-shaped arm rotates around the hinge end with the first base. The long arm of the V-shaped arm abuts against the side surface of the square pier. The long arm of the V-shaped arm applies a thrust to the square pier, causing the square pier to move toward the center position. The square pier is positioned by four self-adjusting structures.

[0020] S5. After the position of the square pier is adjusted, the square pier is placed on several jack support structures, and the jack support structures gradually place the square pier onto the pile foundation.

[0021] The advantages of this application compared to the prior art are:

[0022] 1. This invention features a self-adjusting structure and a jack support structure. The lower end of the square pier is positioned between four V-shaped arms. As the square pier descends, its lower surface abuts against the short arms of the four V-shaped arms. During descent, the square pier applies a downward force to the short arms of the V-shaped arms. The V-shaped arms rotate around their hinge with the first base. When the long arm of one of the V-shaped arms first contacts the side of the square pier, the V-shaped arm exerts a thrust on the pier support, pushing the square pier toward the center of the four V-shaped arms. When the long arms of the four V-shaped arms abut against the four sides of the square pier, the square pier is directly above the pile foundation. The linear moving structure gradually pulls the V-shaped arms out from under the square pier, and several jack support structures gradually lower the square pier until it connects with the pile foundation, thereby achieving automatic adjustment of the square pier's position and preventing personnel from being positioned under the potentially collapsing square pier.

[0023] 2. The present invention is provided with a rolling support structure, in which the second roller is tangent to the side surface of the square pier column. The V-shaped arm applies a thrust to the square pier column through the second roller, and at the same time, the friction between the V-shaped arm and the square pier column is transformed into rolling friction between the second roller and the square pier column, thereby avoiding scratches on the surface of the square pier column and extending the service life of the square pier column.

[0024] 3. This invention features a support width adjustment structure. The second handle drives the second screw to rotate, gradually unscrewing it from the threaded hole. The sliding rod and sliding sleeve prevent the first moving block from rotating, causing it to move away from the movable plate. This ensures the distance between the two first moving blocks matches the width of the side surface of the pier column. When the second roller is tangent to the side surface of the pier column, the two third rollers are also tangent to the side surface of the pier column. When the second roller applies a pushing force to the pier column, the sliding rod and sliding sleeve provide support, ensuring the third rollers remain tangent to the side surface of the pier column, reducing the force on the second screw. Through the two third rollers, the support orientation of the long arm of the V-arm to the side surface of the pier column is increased, thus enabling the V-arm to adjust the support of pier columns of different widths. Attached Figure Description

[0025] Figure 1 A three-dimensional bridge pier column installation and positioning structure Figure 1 .

[0026] Figure 2 A three-dimensional bridge pier column installation and positioning structure Figure 2 .

[0027] Figure 3 This is a top view of a bridge pier column installation and positioning structure.

[0028] Figure 4 This is a three-dimensional diagram of the mounting base, self-adjusting structure, and jack support structure in the installation and positioning structure of a bridge pier column.

[0029] Figure 5 This is a three-dimensional diagram of a V-shaped arm and rolling support structure in the installation and positioning structure of a bridge pier column.

[0030] Figure 6 This is an exploded view of the fixing plate and the support width adjustment structure in the installation and positioning structure of a bridge pier column.

[0031] Figure 7 This is a three-dimensional diagram of a V-shaped arm and a linear moving structure in the installation and positioning structure of a bridge pier column.

[0032] Figure 8 This is a three-dimensional diagram of the second rectangular frame, right-angle plate, pin, and first pressure spring in a bridge pier column installation and positioning structure.

[0033] Figure 9 This is a three-dimensional diagram of the first screw, first handle, first base, V-arm, and first elastic support structure in a bridge pier column installation and positioning structure.

[0034] Figure 10 This is a three-dimensional view of the second rectangular frame, the first screw, the first handle, the first base, and the base support structure in a bridge pier column installation and positioning structure.

[0035] Figure 11 This is a three-dimensional diagram of the first rectangular frame, the mounting base, and the jack support structure in the installation and positioning structure of a bridge pier column.

[0036] The diagram is labeled as follows: 1-First rectangular frame; 11-L-shaped arm; 12-First guide post; 2-Mounting base; 3-Self-adjusting structure; 31-First base; 32-Linear movement structure; 321-Second rectangular frame; 3211-Slider; 322-First screw; 323-First handle; 324-Right angle plate; 3241-Strip groove; 3242-First fixing hole; 3243-Second fixing hole; 325-Pin; 326-First pressure spring; 327-First elastic support structure; 3271-First moving block; 3272-First hinge seat; 3273-Elastic connecting arm; 3274-Second hinge seat; 33-Base support structure; 331-Bracket; 332-Roller; 34-V-shaped Arm; 341-Short arm section; 342-Long arm section; 343-First U-shaped frame; 344-First roller; 35-Rolling support structure; 351-Fixed plate; 352-Movable plate; 353-Second U-shaped frame; 354-Second roller; 355-Second elastic support structure; 3551-Second guide column; 3552-First connecting plate; 3553-Second connecting plate; 3554-Second pressure spring; 36-Support width adjustment structure; 361-Second moving block; 362-Second screw; 363-Second handle; 364-Third U-shaped frame; 365-Third roller; 366-Sliding sleeve; 367-Sliding rod; 4-Jack support structure; 41-Jack; 42-Mounting plate; 43-Connecting plate. Detailed Implementation

[0037] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0038] Reference Figures 1 to 11The diagram illustrates a bridge pier column installation and positioning structure and its usage method. It includes a first rectangular frame 1 surrounding the pile foundation. The first rectangular frame 1 comprises two L-shaped arms 11, each arm of equal length. Several first guide posts 12 are provided on the outer sides of each arm of the L-shaped arm 11. An installation base 2 is provided on the outer side of one arm of each L-shaped arm 11. The installation base 2 has several insertion holes that engage with the first guide posts 12, positioning the installation base 2 in the middle of one arm of the L-shaped arm 11. Each installation base 2 is equipped with a tool for adjusting the position of the pier column. The self-adjusting structure 3 includes a first base 31. The lower end of the first base 31 is provided with a linear moving structure 32 for driving the first base 31 to move. The upper end of the first base 31 is provided with a V-shaped arm 34, which has a short arm portion 341 and a long arm portion 342. The intersection of the short arm portion 341 and the long arm portion 342 is hinged at the upper end of the first base 31. One end of the short arm portion 341 is provided with a first U-shaped frame 343, and the first U-shaped frame 343 is provided with a first roller 344. Two jack support structures 4 are symmetrically arranged on both sides of the self-adjusting structure 3.

[0039] Different L-shaped arms 11 are selected for different pile foundation sizes. The first guide column 12 on the L-shaped arm 11 ensures that the mounting base 2 is always in the middle position. The square pier is lowered vertically by the hoisting equipment. The lower end of the square pier is between the four V-shaped arms 34. As the square pier continues to fall, its lower surface abuts against the short arm portions 341 of the four V-shaped arms 34. During the descent, the square pier applies a downward force to the short arm portions 341 of the V-shaped arms 34. The V-shaped arms 34 rotate around the hinge point with the first base 31. When the long arm of one of the V-shaped arms 34... When part 342 first contacts the side of the square pier, the V-shaped arm 34 pushes the square pier support 331, pushing the square pier toward the center of the four V-shaped arms 34. When the long arm part 342 of the four V-shaped arms 34 respectively abuts against the four sides of the square pier, the square pier is directly above the pile foundation. The linear moving structure 32 gradually pulls the V-shaped arm 34 out from under the square pier, and several jack support structures 4 gradually lower the square pier to connect with the pile foundation, thereby realizing automatic adjustment of the position of the square pier and avoiding the person being under the square pier that may collapse.

[0040] Reference Figure 4 and Figure 5 As shown: A rolling support structure 35 is provided at one end of the long arm portion 342 of the V-shaped arm 34. The rolling support structure 35 includes a fixed plate 351. The middle part of the fixed plate 351 is connected to one end of the long arm portion 342. A movable plate 352 is provided on one side of the fixed plate 351. The movable plate 352 is connected to the fixed plate 351. A second U-shaped frame 353 is provided on one side of the movable plate 352. A second roller 354 is provided on the second U-shaped frame 353.

[0041] After the long arm 342 of the V-shaped arm 34 contacts the side surface of the square pier, the square pier continues to descend. The long arm 342 of the V-shaped arm 34 rubs against the square pier, which can easily cause damage to the side surface of the square pier. Once scratches appear on the surface of the square pier, the aging rate of the square pier will accelerate under the influence of the natural environment. By setting a rolling support structure 35, the second roller 354 is tangent to the side surface of the square pier. The V-shaped arm 34 applies a thrust to the square pier through the second roller 354, and at the same time, the friction between the V-shaped arm 34 and the square pier is transformed into rolling friction between the second roller 354 and the square pier, thereby avoiding scratches on the surface of the square pier and extending the service life of the square pier.

[0042] Reference Figure 4 and Figure 6 As shown: The movable plate 352 is provided with a support width adjustment structure 36 at both ends. The support width adjustment structure 36 includes two second moving blocks 361. A second screw 362 is provided in the middle of the two second moving blocks 361. Threaded holes are opened in the middle of both ends of the movable plate 352. One end of the two second screws 362 is screwed into the two threaded holes respectively. A second handle 363 is provided at the other end of the two second screws 362. A third U-shaped frame 364 is provided on one side of the second moving block 361. A third roller 365 is provided on the third U-shaped frame 364. Sliding sleeves 366 are provided on both the upper and lower sides of the movable plate 352. The sliding sleeves 366 are fixedly connected to the movable plate 352. Two sliding rods 367 are symmetrically arranged inside the sliding sleeves 366. One end of the sliding rod 367 is slidably connected to the sliding sleeve 366, and the other end of the sliding rod 367 is fixedly connected to the second moving block 361.

[0043] Some square piers have wider side surfaces, making them prone to deflection when the second roller 354 applies thrust. By setting up a support width adjustment structure 36, workers can rotate the second handle 363 according to the width of the square pier. The second handle 363 drives the second screw 362 to rotate, gradually unscrewing it from the threaded hole. The sliding rod 367 and sliding sleeve 366 prevent the first movable block from rotating, causing the first movable block 3271 to translate away from the movable plate 352, ensuring the distance between the two first movable blocks 3271 matches the width of the square pier. When the second roller 354 is tangent to the side surface of the square pier, the two third rollers 365 are tangent to the side surface of the square pier. When the second roller 354 applies a pushing force to the square pier, the sliding rod 367 and the sliding sleeve 366 provide support force, so that the third roller 365 is always tangent to the side surface of the square pier, reducing the force on the second screw 362. Through the two third rollers 365, the support orientation of the long arm 342 of the V-shaped arm 34 to the side surface of the square pier is increased, thereby realizing the support adjustment of the V-shaped arm 34 for square piers of different widths.

[0044] Reference Figure 4 and Figure 7 As shown: The linear movement structure 32 includes a second rectangular frame 321, a first screw 322 is provided inside the second rectangular frame 321, the two ends of the first screw 322 are respectively connected to the two ends of the second rectangular frame 321, the first base 31 is connected to the first screw 322 in a transmission connection, and a first handle 323 is provided at one end of the first screw 322.

[0045] After the four V-arms 34 adjust the square pier to the center position, the square pier is in a stable state. Then, the worker turns the first handle 323, which drives the first screw 322 to rotate. The rotation of the first screw 322 causes the first base 31 to move along the first screw 322. The first base 31 moves towards the outside of the pile foundation, so that the four V-arms 34 gradually move away from the square pier. At the same time, the jack support structure 4 provides upward support force to the square pier and gradually lowers the square pier, thereby realizing the removal of the self-adjusting structure 3 from the lower end of the square pier, which facilitates the connection between the square pier and the pile foundation.

[0046] Reference Figure 7 and Figure 8 As shown: Slider 3211 is provided on both sides of the second rectangular frame 321. One end of slider 3211 is connected to the second rectangular frame 321, and the other end of slider 3211 is provided with a socket. Two right-angle plates 324 are symmetrically arranged on both sides of the second rectangular frame 321. One surface of the right-angle plate 324 is provided with a strip groove 3241. Slider 3211 is slidably disposed in the strip groove 3241. The other surface of the right-angle plate 324 is provided with a first fixing hole 3242 and a second fixing hole 3243. A pin 325 is provided at the upper end of slider 3211. The lower end of pin 325 is inserted into the socket. A first pressure spring 326 is sleeved on pin 325. One end of the first pressure spring 326 is connected to slider 3211, and the other end of the first pressure spring 326 is connected to pin 325.

[0047] Before installing the square pier, the workers push the second rectangular frame 321, and the slider 3211 slides along the strip groove 3241. When the insertion hole on the slider 3211 is coaxial with the first fixing hole 3242, the pin 325 is inserted into the first fixing hole 3242 to fix the position of the second rectangular frame 321. When the first screw 322 moves the first base 31 toward the outside of the pile foundation, it drives the V-arm 34 to move. After the first base 31 has reached its maximum displacement, the short arm 341 of the V-arm 34 may still be partially under the square pier. At this time, the pin 325 is pulled out from the first fixing hole 3242, and the second rectangular frame 321 is moved. The second rectangular frame 321 drives the V-arm 34 to move, so that the entire V-arm 34 can be moved out of the direct under the square pier, thereby avoiding interference from the self-adjusting structure 3 with the connection between the square pier and the pile foundation.

[0048] Reference Figure 7and Figure 9 As shown: A first elastic support structure 327 is also provided on the first screw 322. The first elastic support structure 327 includes a first moving block 3271. The first moving block 3271 is connected to the first screw 322 in a transmission manner. An elastic connecting arm 3273 is provided at the upper end of the first moving block 3271. A first hinge seat 3272 and a second hinge seat 3274 are respectively provided at both ends of the elastic connecting arm 3273. The first hinge seat 3272 is connected to the first moving block 3271, and the second hinge seat 3274 is connected to the long arm 342 of the V-shaped arm 34.

[0049] Because the V-arm 34 is hinged to the first base 31, the V-arm 34 will rotate around the hinge point with the first base 31. When the long arm 342 of the V-arm 34 rotates towards the center, the long arm 342 will be located directly below the square pier, causing the lower end of the square pier to contact the long arm of the V-arm 34. When the long arm 342 of the V-arm 34 rotates outward, the short arm 341 of the V-arm 34 will rotate out of the square pier's range and fail to perform its positioning function. This can be addressed by setting... The first elastic support structure 327, the first moving block 3271 and the first base 31 are both mounted on the first screw 322, so that the first moving block 3271 and the first base 31 move synchronously. The elastic connecting arm 3273 supports the V-shaped arm 34, so that the short arm 341 of the V-shaped arm 34 is below the square pier column, and the long arm 342 of the V-shaped arm 34 is outside the square pier column, so that the lower end of the square pier column can smoothly enter between the four V-shaped arms 34.

[0050] Reference Figure 7 and Figure 10 As shown: The lower end of the first base 31 is provided with a base support structure 33, which includes a bracket 331. There are two brackets 331. The upper end of the bracket 331 is connected to the first base 31. Several first rollers 344 are equidistantly arranged between the two brackets 331.

[0051] The square pier column contacts the first roller 344, exerting a downward force on the first roller 344 and simultaneously exerting a downward force on the V-shaped arm 34. The V-shaped arm 34 exerts a downward force on the first base 31, which in turn exerts a downward force on the first screw 322. The first screw 322 deforms under this force. By setting the base support structure 33, the force on the first base 31 is evenly distributed to several rollers 332. At the same time, the friction between the rollers 332 and the mounting base 2 is small, thereby reducing the downward force on the first screw 322 and extending its service life.

[0052] Reference Figure 4 and Figure 5As shown: A second elastic support structure 355 is provided between the fixed plate 351 and the movable plate 352. The second elastic support structure 355 includes a second guide post 3551. There are at least two second guide posts 3551, which are symmetrically arranged about the middle surface of the fixed plate 351. The middle part of the second guide post 3551 is slidably connected to the fixed plate 351. A first connecting plate 3552 and a second connecting plate 3553 are respectively provided at both ends of the two second guide posts 3551. The two ends of the first connecting plate 3552 are respectively connected to one end of the two second guide posts 3551, and the two ends of the second connecting plate 3553 are respectively connected to the other end of the two second guide posts 3551. A second pressure spring 3554 is provided on one side of the fixed plate 351. One end of the second pressure spring 3554 is connected to the first connecting plate 3552, and the other end of the second pressure spring 3554 is connected to the fixed plate 351.

[0053] When the V-arm 34 moves away from the square pier, the long arm 342 of the V-arm 34 first disengages from the square pier, causing the thrust between the V-arm 34 and the square pier to disappear and lose control of the square pier. By setting the second elastic support structure 355, when the long arm 342 of the V-arm 34 moves toward the square pier, the second roller 354 is tangential to the surface of the square pier. The long arm 342 of the V-arm 34 continues to move toward the square pier, and the second guide post 3551 slides relative to the fixing plate 351. The second pressure spring 3554 is compressed. When the V-arm 34 moves away from the square pier, the second elastic support structure 355 pushes the second roller 354 to always abut against the side surface of the square pier, so that the V-arm 34 can continue to apply thrust to the square pier, thereby ensuring that the four V-arms 34 always provide support force to the square pier.

[0054] Reference Figure 1 and Figure 11 As shown: The jack support structure 4 includes a jack 41, the lower end of which is fixedly connected to the mounting base 2, and the upper end of the jack 41 is provided with a mounting plate 42, which is fixedly connected to the square pier column. The mounting plate 42 is provided with a connecting plate 43, which cooperates with the upper end of the jack 41.

[0055] After the four self-adjusting structures 3 adjust the square pier column to the center position, the jacks 41 rise upwards, and the upper end of the jacks 41 connects with the connecting plate 43. The jacks 41 apply an upward force to the connecting plate 43. Then, the four self-adjusting structures 3 are removed from the lower end of the square pier column. Then, several jacks 41 descend simultaneously, so that the square pier column moves downwards smoothly, thus ensuring that the square pier column is still in the center position when connected to the pile foundation.

[0056] A method for using a bridge pier column installation and positioning structure includes the following steps:

[0057] S1, Select an appropriate L-shaped arm 11 according to the width of the pile foundation, and the two L-shaped arms 11 together form the first rectangular frame 1;

[0058] S2, and then connect the four mounting bases 2 to the four faces of the first rectangular frame 1 respectively;

[0059] S3, place the short arm 341 of the V-shaped arm 34 within the projection range of the pile foundation;

[0060] S4, the square pier is gradually lowered from the top of the pile foundation. The lower surface of the square pier contacts the short arm 341 of the V-shaped arm 34. The first roller 344 is tangent to the bottom of the square pier. During the descent of the square pier, a downward force is applied to the short arm 341. The V-shaped arm 34 rotates around the hinge end with the first base 31. The long arm 342 of the V-shaped arm 34 abuts against the side surface of the square pier. The long arm 342 of the V-shaped arm 34 applies a thrust to the square pier, causing the square pier to move toward the center position. The square pier is positioned by four self-adjusting structures 3.

[0061] S5. After the position of the square pier is adjusted, the square pier is placed on several jack support structures 4. The jack support structures 4 gradually place the square pier onto the pile foundation.

[0062] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims

1. A bridge pier column installation and positioning structure, characterized in that, The first rectangular frame (1) is set around the pile foundation. The first rectangular frame (1) includes two L-shaped arms (11). The two arms of the L-shaped arms (11) are of the same length. Several first guide columns (12) are set on the outer side of each arm of the L-shaped arms (11). An installation base (2) is set on the outer side of one arm of each L-shaped arm (11). Several insertion holes are opened on the installation base (2). The insertion holes cooperate with the first guide columns (12) so that the installation base (2) is located in the middle of one arm of the L-shaped arm (11). Each installation base (2) is provided with a self-adjusting structure (3) for adjusting the position of the square pier column. The self-adjusting structure (3) 3) Includes a first base (31), the lower end of the first base (31) is provided with a linear moving structure (32) for driving the first base (31) to move, the upper end of the first base (31) is provided with a V-shaped arm (34), the V-shaped arm (34) has a short arm part (341) and a long arm part (342), the intersection of the short arm part (341) and the long arm part (342) is hinged at the upper end of the first base (31), one end of the short arm part (341) is provided with a first U-shaped frame (343), the first U-shaped frame (343) is provided with a first roller (344), and two jack support structures (4) are symmetrically provided on both sides of the self-adjusting structure (3). The long arm (342) of the V-shaped arm (34) is provided with a rolling support structure (35) at one end. The rolling support structure (35) includes a fixed plate (351). The middle part of the fixed plate (351) is connected to one end of the long arm (342). A movable plate (352) is provided on one side of the fixed plate (351). The movable plate (352) is connected to the fixed plate (351). A second U-shaped frame (353) is provided on one side of the movable plate (352). A second roller (354) is provided on the second U-shaped frame (353). The movable plate (352) is provided with a support width adjustment structure (36) at both ends. The support width adjustment structure (36) includes two second moving blocks (361). A second screw (362) is provided in the middle of the two second moving blocks (361). Threaded holes are opened in the middle of both ends of the movable plate (352). One end of the two second screws (362) is screwed into the two threaded holes respectively. A second handle (363) is provided at the other end of each of the two second screws (362). A third U-shaped frame (364) is provided on one side of (361), and a third roller (365) is provided on the third U-shaped frame (364). Sliding sleeves (366) are provided on both the upper and lower sides of the movable plate (352). The sliding sleeves (366) are fixedly connected to the movable plate (352). Two sliding rods (367) are symmetrically arranged inside the sliding sleeves (366). One end of the sliding rod (367) is slidably connected to the sliding sleeve (366), and the other end of the sliding rod (367) is fixedly connected to the second moving block (361). The linear movement structure (32) includes a second rectangular frame (321), a first screw (322) is provided inside the second rectangular frame (321), the two ends of the first screw (322) are respectively connected to the two ends of the second rectangular frame (321), a first base (31) is connected to the first screw (322) in a transmission manner, and a first handle (323) is provided at one end of the first screw (322); a first elastic support structure (327) is also provided on the first screw (322). It includes a first movable block (3271), which is connected to a first screw (322) for transmission. An elastic connecting arm (3273) is provided at the upper end of the first movable block (3271). A first hinge seat (3272) and a second hinge seat (3274) are respectively provided at both ends of the elastic connecting arm (3273). The first hinge seat (3272) is connected to the first movable block (3271), and the second hinge seat (3274) is connected to the long arm (342) of the V-shaped arm (34).

2. The bridge pier column installation and positioning structure according to claim 1, characterized in that, The second rectangular frame (321) has sliders (3211) on both sides. One end of the slider (3211) is connected to the second rectangular frame (321), and the other end of the slider (3211) is provided with a socket. Two right-angle plates (324) are symmetrically arranged on both sides of the second rectangular frame (321). One surface of the right-angle plate (324) is provided with a strip groove (3241). The slider (3211) is slidably disposed in the strip groove (3241). The other surface of the right-angle plate (324) is provided with a first fixing hole (3242) and a second fixing hole (3243). The upper end of the slider (3211) is provided with a pin (325). The lower end of the pin (325) is inserted into the socket. A first pressure spring (326) is sleeved on the pin (325). One end of the first pressure spring (326) is connected to the slider (3211), and the other end of the first pressure spring (326) is connected to the pin (325).

3. The bridge pier column installation and positioning structure according to claim 2, characterized in that, The lower end of the first base (31) is provided with a base support structure (33), which includes a bracket (331). There are two brackets (331), and the upper end of the bracket (331) is connected to the first base (31). Several first rollers (344) are equidistantly arranged between the two brackets (331).

4. The bridge pier column installation and positioning structure according to claim 1, characterized in that, A second elastic support structure (355) is provided between the fixed plate (351) and the movable plate (352). The second elastic support structure (355) includes a second guide post (3551). There are at least two second guide posts (3551). The two second guide posts (3551) are symmetrically arranged about the middle surface of the fixed plate (351). The middle part of the second guide post (3551) is slidably connected to the fixed plate (351). The two ends of the two second guide posts (3551) are respectively provided with a first connecting plate (3552). The first connecting plate (3552) is connected to one end of the two second guide posts (3551) at both ends, and the second connecting plate (3553) is connected to the other end of the two second guide posts (3551) at both ends. A second pressure spring (3554) is provided on one side of the fixing plate (351). One end of the second pressure spring (3554) is connected to the first connecting plate (3552), and the other end of the second pressure spring (3554) is connected to the fixing plate (351).

5. The bridge pier column installation and positioning structure according to claim 1, characterized in that, The jack support structure (4) includes a jack (41), the lower end of which is fixedly connected to the mounting base (2), and the upper end of the jack (41) is provided with a mounting plate (42), which is fixedly connected to the square pier column. A connecting plate (43) is provided on the mounting plate (42), which cooperates with the upper end of the jack (41).

6. A method for using a bridge square pier column installation and positioning structure, applied to the bridge square pier column installation and positioning structure according to any one of claims 1-5, characterized in that, Includes the following steps: S1, select an appropriate L-shaped arm (11) according to the width of the pile foundation, and the two L-shaped arms (11) together form the first rectangular frame (1). S2, and then connect the four mounting bases (2) to the four faces of the first rectangular frame (1) respectively; S3, place the short arm (341) of the V-shaped arm (34) within the projection range of the pile foundation; S4, the square pier is gradually lowered from the top of the pile foundation. The lower surface of the square pier contacts the short arm (341) of the V-shaped arm (34). The first roller (344) is tangent to the bottom of the square pier. During the descent of the square pier, a downward force is applied to the short arm (341). The V-shaped arm (34) rotates around the hinge end with the first base (31). The long arm (342) of the V-shaped arm (34) abuts against the side surface of the square pier. The long arm (342) of the V-shaped arm (34) applies a thrust to the square pier, causing the square pier to move toward the center position. The square pier is positioned by four self-adjusting structures (3). S5. After the position of the square pier is adjusted, the square pier is placed on several jack support structures (4), and the jack support structures (4) gradually place the square pier onto the pile foundation.

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