A road and bridge multi-dimensional positioning and calibration construction device

Abstract

The present invention relates to the technical field of road and bridge construction, and discloses a multi-dimensional positioning and calibration construction device for road and bridge, comprising: a gantry; a lifting component for lifting a roadbed section; a display component for displaying the inclination angle of the roadbed section during installation; a calibration connection component for buffering and protecting the roadbed on the lifting component and performing manual calibration; the lifting component is arranged on the gantry. The multi-dimensional positioning and calibration construction device for road and bridge can realize the overall lifting and docking of the roadbed section through the calibration connection component, realize the sinking docking buffer, and can also automatically calibrate the swing before and after, so as to avoid the shaking of the roadbed section caused by wind or gravity swing during high-altitude operation, ensure the overall connection stability of the roadbed section, and use the calibration device to manually adjust the front and rear docking angles of the roadbed section, ensure the accuracy and ease of operation of the road and bridge in the connection process, and reduce the complexity and strength of the road and bridge connection.

Description

Technical Field

[0001] The invention relates to the technical field of road and bridge construction, and in particular to a road and bridge multi-dimensional positioning and calibration construction device. Background Art

[0002] Highway bridge engineering refers to all the work related to the planning, design, construction, maintenance and repair of highway structures that cross water areas, valleys and all traffic passages.

[0003] At present, in the construction process of bridges, the road and bridge are first cast with multiple foundation piles, and then each section of the roadbed is spliced ​​to form a road and bridge step by step. However, in the process of connecting the road and bridge, the roadbed needs to be lifted and the roadbeds on the left and right ends need to be connected. When the road and bridge reaches this connection stage, it generally means that the repair of the road and bridge has come to an end. Because of the existing technology for the construction of roads and bridges, the left and right directions are started at the same time, and then the middle connection position is reserved to connect the last section of the roadbed.

[0004] At present, during the process of connecting the roadbed, a traveling crane is generally used to lift the roadbed, and then it is connected and installed in the middle of the roadbed on the left and right sides to achieve the overall closing of the road and bridge. However, in the prior art, when lifting the roadbed, firstly, because it is an aerial operation and is lifted by cables, the roadbed has poor stability in the air and is prone to shaking, which makes the connection calibration very difficult. Secondly, during the connection process, the left and right ends of the last section of the roadbed need to be kept corresponding to the connection port of the road and bridge. The traditional method uses manual measurement and fine-tuning step by step, but it is easy to "take care of the beginning and not the end", which makes the calibration connection very difficult, time-consuming and labor-intensive. Therefore, a multi-dimensional positioning and calibration construction device for road and bridge is proposed to solve the above-mentioned problems. Summary of the invention

[0005] 1. Technical issues to be resolved In view of the shortcomings of the prior art, the present invention provides a multi-dimensional positioning and calibration construction device for roads and bridges, which solves the problem that the connection calibration of roads and bridges in the prior art is time-consuming and labor-intensive, difficult for construction personnel to operate, and easily causes the roadbed to collide with the road bridge, causing damage to the road bridge.

[0006] (II) Technical solution To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multi-dimensional positioning and calibration construction device for a road and bridge, comprising: a gantry; a lifting component for lifting a roadbed section; a display component for displaying the inclination angle of the roadbed section during installation; a calibration connection component for buffering and protecting the roadbed on the lifting component and performing manual calibration; the lifting component is arranged on the gantry, and the display component is arranged on the lifting component; the calibration connection component is provided with two groups, and the two groups of calibration connection components are arranged on the gantry; the calibration connection component includes a buffer device, a correction device and a calibration device; the buffer device is used for downward connection buffering of the roadbed section being installed; the correction device is used for automatically correcting the front and rear position of the roadbed section being installed; the calibration device is used for directly connecting and aligning the two ends of the roadbed section.

[0007] Preferably, the lifting assembly includes a top frame, the top frame is installed on the gantry, the top frame is fixedly connected to a track, two traveling cranes are arranged on the track, the traveling cranes are provided with cables, the bottom of the cables is connected to a hanging seat, and the hanging seat is provided with a lifting cable.

[0008] Preferably, the display assembly includes a left frame and a right frame, both of which are slidably connected to the top frame, and the opposite surfaces of the left frame and the right frame are respectively connected to the left gear rack and the right gear rack, and the left gear rack and the right gear rack are respectively meshed with a left half wheel and a right half wheel, and the left half wheel and the right half wheel are rotatably connected to the center of the circle with a dial, and the dial is connected to the bottom of the top frame through a connecting piece, and the axis center of the right half wheel is connected to a pointer 2 through a sleeve, and the axis center of the left half wheel is connected to a pointer 1 through a shaft.

[0009] Preferably, two of the dials, pointer one and pointer two are provided, and the two dials, pointer one and pointer two are symmetrically arranged on the right side of the right half wheel and on the left side of the left half wheel.

[0010] Preferably, the bottom of the left frame is rotatably connected to a rotating seat, the bottom of the rotating seat is in contact with the roadbed section, a laser generator capable of synchronously emitting laser light to the left and right is provided on the rotating seat, a transparent plate is slidably connected to the gantry, a height frame is installed at the bottom of the transparent plate, and a height line is provided on the height frame.

[0011] Preferably, the buffer device includes a center rod, the center rod is fixed on the gantry, a sliding pressure frame is slidably connected to the center rod, a protective frame is provided on the sliding pressure frame, a socket is provided on the end face of the protective frame, the socket is clamped on the side of the roadbed section, the center rod is located below the sliding pressure frame and is sleeved with a buffer spring, a pressure groove is provided on the gantry, the sliding pressure frame is slidably connected to the pressure groove, and the transparent plate is connected to the sliding pressure frame.

[0012] Preferably, the correction device includes an arc-shaped connecting rod, one end of which is fixed to the side of the sliding pressure frame, the other end of which is slidably connected to the protection frame, the middle part of the protection frame is rotatably connected to the sliding pressure frame, and a protection spring is sleeved on the surface of the arc-shaped connecting rod, and the protection spring is located between the sliding pressure frame and the protection frame.

[0013] Preferably, two groups of the deviation-correcting devices are provided, and the two groups of deviation-correcting devices are symmetrically distributed about the center line of the gantry, and the center of the arc-shaped connecting rod coincides with the rotation center of the protection frame.

[0014] Preferably, the calibration device includes a worm wheel, which is fixedly connected to a protective frame via a shaft, a connecting seat is rotatably connected to the bottom of the worm wheel, a worm is rotatably connected to the connecting seat, a surface of the worm is meshed with a surface of the worm wheel, and one end of the worm is connected to a rotating wheel.

[0015] (III) Beneficial effects Compared with the prior art, the present invention provides a road and bridge multi-dimensional positioning and calibration construction device, which has the following beneficial effects: 1. The multi-dimensional positioning and calibration construction device for the road and bridge can realize the overall lifting and docking of the roadbed section through the calibration connection components, realize the sinking docking buffer, and can also automatically calibrate the swing before and after, so as to avoid the shaking of the roadbed section caused by wind or gravity swing during high-altitude operation, and ensure the overall connection stability of the roadbed section. The calibration device can be used to manually adjust the front and rear docking angles of the roadbed section, so as to ensure the accuracy and ease of operation of the road and bridge during the connection process, and reduce the complexity and intensity of the road and bridge connection.

[0016] 2. The multi-dimensional positioning and calibration construction device for road and bridge can provide construction workers with a display component to check whether the roadbed section is in the stage of forward and backward tilting during the process of hoisting it, and directly display the tilt value to provide construction workers with a reference to whether the installation is within the error range, thereby improving the accuracy of the road and bridge connection process.

[0017] 3. The multi-dimensional positioning and calibration construction device for the road and bridge sets the laser light of the laser generator and maps it on a height frame that the construction workers can see, so as to provide the construction workers with the balance of the left and right bridge heads of the roadbed section, thereby providing docking guarantee for the subsequent connection construction and avoiding the "warping" collision when the heights of the left and right ends are not level. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a road and bridge multi-dimensional positioning and calibration construction device proposed by the present invention; Figure 2A schematic diagram of the structure of a lifting assembly of a road and bridge multi-dimensional positioning and calibration construction device proposed by the present invention; Figure 3 This is a schematic diagram of the structure of a display component of a road and bridge multi-dimensional positioning and calibration construction device proposed by the present invention; Figure 4 A schematic diagram of the cross-sectional structure of a scale plate of a road and bridge multi-dimensional positioning and calibration construction device proposed by the present invention; Figure 5 This is a schematic diagram of the connection structure between the right half wheel and the pointer 2 of a road and bridge multi-dimensional positioning and calibration construction device proposed by the present invention; Figure 6 A schematic diagram of the connection position structure of a height frame of a road and bridge multi-dimensional positioning and calibration construction device proposed by the present invention; Figure 7 A schematic diagram of the structure of a deviation correction device for a multi-dimensional positioning and calibration construction device for a road and bridge proposed by the present invention; Figure 8 This is a schematic diagram of the structure of a calibration device for a road and bridge multi-dimensional positioning and calibration construction device proposed by the present invention.

[0019] In the figure: 1, gantry; 2, lifting assembly; 21, top frame; 22, traveling crane; 23, track; 24, cable; 25, suspension seat; 26, suspension cable; 3, display assembly; 301, left frame; 302, left gear rack; 303, dial; 304, right gear rack; 305, right frame; 306, left half wheel; 307, right half wheel; 308, rotating seat; 309, laser generator; 310, pointer one ; 311, pointer two; 4, calibration connection assembly; 401, transparent plate; 402, height frame; 403, sliding pressure frame; 404, protection frame; 405, holder; 406, arc connecting rod; 407, pressure groove; 408, center rod; 409, buffer spring; 410, protection spring; 411, calibration device; 4111, worm gear; 4112, connecting seat; 4113, rotating wheel; 4114, worm. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 8A multi-dimensional positioning and calibration construction device for a road and bridge comprises a gantry 1; a lifting component 2 for lifting a roadbed section; a display component 3 for displaying the inclination angle of the roadbed section during installation; a calibration connection component 4 for buffering and protecting the roadbed on the lifting component 2 and performing manual calibration; the lifting component 2 is arranged on the gantry 1, and the display component 3 is arranged on the lifting component 2; two groups of calibration connection components 4 are arranged, and the two groups of calibration connection components 4 are arranged on the gantry 1; the calibration connection component 4 comprises a buffer device, a deviation correction device and a calibration device 411.

[0022] In this embodiment, the lifting assembly 2 includes a top frame 21, which is mounted on the gantry 1, and a track 23 is fixedly connected to the top frame 21. Two cranes 22 are arranged on the track 23, and cables 24 are arranged on the cranes 22. The bottom of the cables 24 is connected to a suspension seat 25, and a suspension cable 26 is arranged on the suspension seat 25. The cranes 22 belong to the prior art, and can achieve lifting and lateral movement at the same time, that is, the cranes 22 can move left and right on the track 23, so as to adjust the left and right position of the lifting.

[0023] Furthermore, the display assembly 3 includes a left frame 301 and a right frame 305, both of which are slidably connected to the top frame 21, and the left frame 301 and the right frame 305 are respectively connected to the left gear rack 302 and the right gear rack 304 on the opposite surfaces of the left frame 301 and the right frame 305, and the left gear rack 302 and the right gear rack 304 are respectively meshed with a left half wheel 306 and a right half wheel 307, and the left half wheel 306 and the right half wheel 307 are rotatably connected to the center of the circle with a dial 303, and the dial 303 is connected to the top frame 21 through a connecting piece. It is connected to the bottom of the top frame 21, and the connecting member is actually a connecting rod, or multiple connecting rods, which can be installed on the top frame 21 through a certain structure to achieve connection, but it is not limited to a connecting rod. It can also be suspended on the top frame 21 through a suspension rope or a steel wire. The setting of the specific connecting member is selected according to the portability of the actual operator. The axis of the right half wheel 307 is connected to the pointer 2 311 through a sleeve, and the axis of the left half wheel 306 is connected to the pointer 1 310 through an axis rod. If the roadbed section tilts forward and backward, the two rotating seats 308 will be in a state of one high and one low, which will cause the left frame 301 and the right frame 305 to be one high and one low. If the left frame 301 and the right frame 305 are in a horizontal state, the heights of the left gear rack 302 and the right gear rack 304 will be the same. If there is a height inconsistency, the left half wheel 306 and the right half wheel 307 will respectively drive the pointer 1 310 and the pointer 2 311 to rotate, so the pointer 1 310 and the pointer 2 311 will be staggered. The staggering means that the roadbed section is in a state of tilting forward and backward, and the lifting state must be adjusted.

[0024] In addition, two dials 303, pointers 1 310 and 2 311 are provided, and the two dials 303, pointers 1 310 and 2 311 are symmetrically arranged on the right side of the right half wheel 307 and the left side of the left half wheel 306. The double-sided dials 303 can provide visual inspection for construction workers on both sides of the road and bridge.

[0025] In addition, the bottom of the left frame 301 is rotatably connected to a rotating seat 308, the bottom of the rotating seat 308 is in contact with the roadbed section, and a laser generator 309 capable of synchronously emitting laser light on the left and right is arranged on the rotating seat 308. A transparent plate 401 is slidably connected to the gantry 1, and a height frame 402 is installed at the bottom of the transparent plate 401, and a height line is arranged on the height frame 402. The laser generator 309 will generate horizontal laser light and map it on the height frame 402, and the operator can judge whether the roadbed section is in a horizontal position at this time according to the height of the light spot on the height frame 402, and adjust the driving crane 22 on which side is tilted to collect or release the rope, so as to adjust the horizontality of the roadbed section.

[0026] Furthermore, the buffer device includes a central rod 408, which is fixed on the gantry 1, and a sliding pressure frame 403 is slidably connected to the central rod 408, and a protection frame 404 is provided on the sliding pressure frame 403. The end surface of the protection frame 404 is provided with a clamping seat 405, and the clamping seat 405 is clamped on the side of the roadbed section. The central rod 408 is located below the sliding pressure frame 403 and is sleeved with a buffer spring 409, and a pressure groove 407 is provided on the gantry 1. The sliding pressure frame 403 is slidably connected to the pressure groove 407, and the transparent plate 401 is connected to the sliding pressure frame 403. When the roadbed section drives the sliding pressure frame 403 to move downward, the buffer spring 409 will be compressed, and the purpose of the buffer spring 409 is to provide an upward thrust for the roadbed section, and to provide a certain buffer when the roadbed section sinks and docks, so as to avoid the docking collision caused by sinking too fast.

[0027] Furthermore, the deviation correction device includes an arc connecting rod 406, one end of which is fixed to the side of the sliding pressure frame 403, the other end of which is slidably connected to the protection frame 404, the middle part of the protection frame 404 is rotatably connected to the sliding pressure frame 403, and the surface of the arc connecting rod 406 is sleeved with a protection spring 410, which is located between the sliding pressure frame 403 and the protection frame 404. During the process of connecting and installing the roadbed section and lowering, the clamping seats 405 on the left and right sides will first be clamped on the outer surface of the roadbed section, and the protection spring 410 will provide a certain thrust, so that the protection frame 404 controls the clamping seats 405 to clamp the roadbed section relatively, similar to the principle of "pliers", the roadbed section is clamped by the elastic force of the protection spring 410, the main purpose is to avoid shaking during the sinking installation.

[0028] In addition, the calibration device 411 includes a worm wheel 4111, which is fixedly connected to the protection frame 404 through a shaft, and the bottom of the worm wheel 4111 is rotatably connected to a connection seat 4112, and a worm 4114 is rotatably connected to the connection seat 4112, and the surface of the worm 4114 is meshed with the surface of the worm wheel 4111, and one end of the worm 4114 is connected to a rotating wheel 4113. When the entire roadbed section has been placed on the bridge pier or is about to be placed, the entire roadbed section has a combination error due to the overall installation of the road bridge, so the connected roadbed section may have a certain angle offset, at this time, the calibration device 411 on one side can be manually controlled to perform manual calibration, control the rotation of the rotating wheel 4113, and then drive the rotation of the worm 4114, and then use the meshing principle of the worm wheel 4111 to drive the rotation of the protection frame 404, and the protection frame 404 will drive it to perform fine-tuning swing through the clamping connection of the clamping seat 405 with the roadbed section, thereby achieving the overall accurate connection of the road bridge.

[0029] The working principle is that first, the last section of the roadbed section needs to be lifted to a certain height by the traveling crane 22 in the lifting assembly 2. After the roadbed section is in the middle position of the road bridge, the traveling crane 22 is controlled to release the line and slowly sink the roadbed section for docking. During the hoisting process, first, the bottom of the rotating seat 308 is in contact with the plane of the roadbed section. If one roadbed section is high and the other is low, the rotating seat 308 will follow the roadbed section to form a "horizontal" state because the gravity acts on the road surface. However, because the left frame 301 and the right frame 305 are in a vertical downward state, if the roadbed section is tilted, the rotating seat 308 is parallel to the roadbed section. Therefore, the rotating seat 308 is in a tilted state relative to the ground. Therefore, the rotating seat 308 forms a certain angle with the left frame 301. After that, the laser generator 309 will generate a horizontal laser beam, which is mapped on the height frame 402. The operator can judge whether the roadbed section is in a horizontal position according to the height of the light spot on the height frame 402. The side of the tilt will be adjusted to adjust the crane 22 on that side to collect or release the rope, so as to adjust the roadbed section. When the left frame 301 and the right frame 305 are in a horizontal state, the heights of the left gear rack 302 and the right gear rack 304 will be the same. If the heights are inconsistent, the left gear rack 302 or the right gear rack 304 will move down or up to drive the left half wheel 306 and the right half wheel 307 to rotate, and the left half wheel 306 and the right half wheel 307 will respectively drive the pointer 1 310 and the pointer 2 311 to rotate, so the pointer 1 310 and the pointer 2 311 will be staggered, and the staggered state means that the roadbed section is in a state of tilting forward and backward, and the lifting state needs to be adjusted, and the adjustment method is to control the traveling crane 22 in the front and rear directions of the gantry 1 to collect or release the rope. Therefore, construction workers can manually adjust the posture of the lifted roadbed section based on these offset data to ensure the accuracy of subsequent connections.After maintaining the lifting level, multiple traveling cranes 22 release ropes at the same time to connect and install the roadbed section. During the descent, the left and right clamping seats 405 will first be stuck on the outer surface of the roadbed section, and the protective spring 410 will provide a certain thrust, so that the protective frame 404 controls the clamping seat 405 to clamp the roadbed section relatively, similar to the principle of "pliers", and the roadbed section is clamped in the center through the elastic force of the protective spring 410. The main purpose is to avoid shaking during the sinking installation, because the wind and gravity swing associated with high-altitude operations, and the protective spring 410 can The swing force of the roadbed section when it sinks is reduced to achieve swing buffering, avoid collision between the roadbed section and the installed bridge, and as the roadbed section moves downward as a whole, the holder 405 will sink synchronously, thereby driving the protection frame 404 to move downward, and the protection frame 404 and the sliding pressure frame 403 are in a connected state, so the sliding pressure frame 403 will move downward with the movement of the roadbed section, and the height frame 402 is connected to the sliding pressure frame 403, so the descent of the roadbed section will drive the laser generator 309 and the height frame 402 to move downward synchronously, so the "laser calibration" state will always exist. When the roadbed section drives the sliding pressure frame 403 to move downward, the buffer spring 409 is compressed. The purpose of the buffer spring 409 is to provide an upward thrust for the roadbed section and to provide a certain buffer when the roadbed section sinks and connects, so as to avoid the docking collision caused by sinking too fast. When the entire roadbed section has been placed on the bridge pier or is about to be placed, the overall roadbed section has a combination error due to the overall installation of the road and bridge, so the connected roadbed section may have a certain angle offset. At this time, the calibration device 411 on one side can be manually controlled for manual calibration, specifically, the rotation of the rotating wheel 4113 is manually controlled to drive the rotation of the worm 4114, and then the meshing principle of the worm wheel 4111 is used to drive the rotation of the protection frame 404, and the protection frame 404 will drive it to perform fine-tuning and swing through the clamping connection with the roadbed section by the clamping seat 405, thereby realizing the overall precise connection of the road and bridge. When the deviation correction device is in motion as a whole, the calibration device 411 is in a synchronous rotation state with the protection frame 404, so there is no rotation interference with the protection frame 404. Therefore, the construction personnel can manually control and adjust the swing angle of the roadbed section in the final connection stage, thereby adjusting the installation angle and achieving precise installation.

[0030] In summary, the entire technical solution realizes multiple complex functions of left-right leveling, front-back leveling, swing reduction, installation buffering and manual fine-tuning of the road and bridge, which improves the accuracy of the overall installation connection of the road and bridge, while also improving the efficiency of the connection and reducing the difficulty of connection construction.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A road and bridge multi-dimensional positioning and calibration construction device, characterized in that: include: Gantry (1); A lifting assembly (2) for lifting the roadbed section; A display component (3) is used to display the inclination angle of the roadbed section when it is installed; A calibration connection component (4) is used to provide buffer protection for the roadbed on the lifting component (2) and to perform manual calibration; The lifting component (2) is arranged on the gantry (1), and the display component (3) is arranged on the lifting component (2); The calibration connection components (4) are provided in two groups, and the two groups of calibration connection components (4) are arranged on the gantry (1); The calibration connection assembly (4) comprises a buffer device, a deviation correction device and a calibration device (411); The buffer device is used to buffer the downward movement of the roadbed section being installed; The deviation correction device is used to automatically correct the front and rear positions of the roadbed section being installed; The calibration device (411) is used to directly align the two ends of the roadbed section.

2. A road and bridge multi-dimensional positioning and calibration construction device according to claim 1, characterized in that: The lifting assembly (2) comprises a top frame (21), the top frame (21) being mounted on a gantry frame (1), a track (23) being fixedly connected to the top frame (21), two traveling cranes (22) being arranged on the track (23), a cable (24) being arranged on the traveling crane (22), a suspension seat (25) being connected to the bottom of the cable (24), and a suspension cable (26) being arranged on the suspension seat (25).

3. A road and bridge multi-dimensional positioning and calibration construction device according to claim 2, characterized in that: The display assembly (3) comprises a left frame (301) and a right frame (305), the left frame (301) and the right frame (305) are both slidably connected to the top frame (21), the left gear rack (302) and the right gear rack (304) are respectively connected to the opposite surfaces of the left frame (301) and the right gear rack (305), the left gear rack (302) and the right gear rack (304) are respectively meshed with a left half wheel (306) and a right half wheel (307), the centers of the left half wheel (306) and the right half wheel (307) are rotatably connected with a dial (303), the dial (303) is connected to the bottom of the top frame (21) through a connecting piece, the axis of the right half wheel (307) is connected to a second pointer (311) through a sleeve, and the axis of the left half wheel (306) is connected to a first pointer (310) through a shaft.

4. A road and bridge multi-dimensional positioning and calibration construction device according to claim 3, characterized in that: The scale plate (303), the pointer one (310) and the pointer two (311) are each provided with two, and the two scale plates (303), the pointer one (310) and the pointer two (311) are symmetrically arranged on the right side of the right half wheel (307) and the left side of the left half wheel (306).

5. A road and bridge multi-dimensional positioning and calibration construction device according to claim 4, characterized in that: The bottom of the left frame (301) is rotatably connected to a rotating seat (308), the bottom of the rotating seat (308) is in contact with the roadbed section, and a laser generator (309) capable of synchronously emitting laser light on the left and right is arranged on the rotating seat (308). A transparent plate (401) is slidably connected to the gantry (1), and a height frame (402) is installed at the bottom of the transparent plate (401), and a height line is arranged on the height frame (402).

6. A road and bridge multi-dimensional positioning and calibration construction device according to claim 5, characterized in that: The buffer device comprises a central rod (408), the central rod (408) being fixed on a gantry (1), a sliding pressure frame (403) being slidably connected to the central rod (408), a protection frame (404) being provided on the sliding pressure frame (403), a clamping seat (405) being provided on the end surface of the protection frame (404), the clamping seat (405) being clamped on the side of the roadbed section, a buffer spring (409) being sleeved on the central rod (408) below the sliding pressure frame (403), a pressure groove (407) being provided on the gantry (1), the sliding pressure frame (403) being slidably connected to the pressure groove (407), and a transparent plate (401) being connected to the sliding pressure frame (403).

7. A road and bridge multi-dimensional positioning and calibration construction device according to claim 6, characterized in that: The deviation correction device comprises an arc-shaped connecting rod (406), one end of which is fixed to the side of the sliding pressure frame (403), the other end of which is slidably connected to the protection frame (404), the middle part of which is rotatably connected to the sliding pressure frame (403), and a protection spring (410) is sleeved on the surface of the arc-shaped connecting rod (406), and the protection spring (410) is located between the sliding pressure frame (403) and the protection frame (404).

8. A road and bridge multi-dimensional positioning and calibration construction device according to claim 7, characterized in that: Two groups of the deviation-correcting devices are provided, and the two groups of deviation-correcting devices are symmetrically distributed about the center line of the gantry (1), and the center of the circle of the arc-shaped connecting rod (406) coincides with the rotation center of the protection frame (404).

9. A road and bridge multi-dimensional positioning and calibration construction device according to claim 8, characterized in that: The calibration device (411) comprises a worm wheel (4111), wherein the worm wheel (4111) is fixedly connected to a protection frame (404) via a shaft, the bottom of the worm wheel (4111) is rotatably connected to a connecting seat (4112), the connecting seat (4112) is rotatably connected to a worm (4114), the surface of the worm (4114) is meshed with the surface of the worm wheel (4111), and one end of the worm (4114) is connected to a rotating wheel (4113).

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