A support structure for bridge engineering survey equipment

Abstract

The present invention relates to the technical field of bridge engineering survey equipment, and discloses a bracket structure of bridge engineering survey equipment, which solves the problem of low efficiency of current survey work, and comprises a mounting plate, a lifting mechanism is provided at the bottom of the mounting plate, a fixing mechanism and an adjusting mechanism are provided on the lifting mechanism, and a survey instrument is provided at the bottom of the mounting plate; the present invention facilitates the insertion of two positioning columns into two corresponding positioning holes respectively through the cooperation between the L-shaped round rod, the L-shaped plate and a spring, so as to realize the fixation of the lifting plate after the movement, so that when it rains, the survey instrument on the lifting plate is lowered to the bottom of the mounting plate, and the sealing plate is lowered to block the opening to prevent the survey instrument from being damaged by rainwater, and when the rain stops, the sealing plate is raised to open the opening, so that the survey instrument on the lifting plate is raised to the top of the mounting plate for use, thereby eliminating the need to disassemble and assemble the survey instrument, and improving the efficiency of the survey work.

Description

Technical Field

[0001] The invention belongs to the technical field of bridge engineering survey equipment, and in particular relates to a support structure of bridge engineering survey equipment. Background Art

[0002] Bridge engineering refers to the work process of bridge survey, design, construction, maintenance and verification, as well as the science and engineering technology of studying this process. It is a branch of civil engineering. The development of bridge engineering mainly depends on the needs of transportation. When surveying bridge engineering, brackets are needed to support the survey equipment.

[0003] However, rainy days are inevitable during the survey process. The existing brackets generally do not have a shield to protect the survey instrument. In order to prevent the equipment installed on the bracket from being damaged by rain, the equipment needs to be removed and placed in a storage box. When the rain stops, the instrument needs to be reinstalled on the bracket and re-debugged, which affects the efficiency of the survey work to a certain extent. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a support structure of bridge engineering survey equipment, which effectively solves the problem of low efficiency of current survey work.

[0005] To achieve the above object, the present invention provides the following technical solution: a support structure of bridge engineering survey equipment, comprising a mounting plate, a lifting mechanism is provided at the bottom of the mounting plate, a fixing mechanism and an adjusting mechanism are provided on the lifting mechanism, and a survey instrument is provided at the bottom of the mounting plate;

[0006] The lifting mechanism includes two vertical frames symmetrically fixed at the bottom of the mounting plate, both vertical frames are fixedly connected with inner rods, the outer sides of the two inner rods are movably sleeved with the same lifting plate, the surveying instrument is located at the top of the lifting plate, the top of the lifting plate is symmetrically fixedly connected with two supporting columns, a sealing plate is fixedly connected between the top ends of the two supporting columns, the bottom of the sealing plate is fixedly connected with a sealing ring located at the top of the mounting plate, an opening is provided in the middle of the mounting plate, and both supporting columns pass through the opening.

[0007] Preferably, a guide column located below the lifting plate is fixedly connected between the two vertical frames, and two guide plates are symmetrically and movably sleeved on the outer sides of the guide columns. The tops of the two guide plates are rotatably connected to movable rods one, and the tops of the two movable rods one are rotatably connected to the bottom of the lifting plate. A two-way screw rod is provided below the guide column, one end of the two-way screw rod is rotatably connected to one of the vertical frames, and the other end of the two-way screw rod is fixedly connected to a side tube, and the end of the side tube away from the two-way screw rod passes through the other vertical frame, and the outer side of the two-way screw rod is symmetrically threaded with two nuts, and the two guide plates are respectively fixed to the tops of the two nuts.

[0008] Preferably, the inner movably sleeve of the side tube is connected with a movable column, and the end of the movable column away from the bidirectional screw rod is fixedly connected with a turntable, and the outer side of the movable column is symmetrically fixedly connected with two side blocks, and the outer side of the side tube is symmetrically provided with two side grooves, and the two side blocks are respectively slidably connected with the two side grooves, and a movable ring movably sleeved on the outer side of the side tube is fixedly connected between the two side blocks.

[0009] Preferably, a sleeve plate located above the bidirectional screw rod is fixedly sleeved on the middle outer side of the guide column, and two L-shaped round rods are symmetrically fixedly connected between the vertical frame and the sleeve plate on one side of the turntable, and the outer sides of the two L-shaped round rods are movably sleeved with L-shaped plates, and springs are fixedly connected between the two L-shaped plates and the sleeve plates, and the two springs are respectively sleeved on the outer sides of the two L-shaped round rods, and the bottom of the lifting plate is symmetrically fixedly connected to the two vertical plates, and the two vertical plates both penetrate the sleeve plates and are movably connected to the sleeve plates, and a movable plate is movably sleeved on the outer side of the side tube, and the movable ring is located between the movable plate and the turntable, and an annular groove is provided on the side of the movable plate close to the turntable, and a plurality of ball bearings that are in contact with the movable ring are provided at equal angles in the annular groove, and two positioning posts are symmetrically fixedly connected on the side of the movable plate away from the movable ring, and the two L-shaped plates are respectively fixedly sleeved on the outer sides of the two positioning posts, and a plurality of positioning holes are equidistantly provided on the side of the two vertical plates away from the movable plate, and the two positioning posts are respectively inserted into the two corresponding positioning holes.

[0010] Preferably, the fixing mechanism includes a placing rack fixed to the top of the lifting plate, the surveying instrument is placed on the placing rack, a sliding rod is fixedly connected between two supporting columns, the placing rack is fixedly sleeved on the outer middle part of the sliding rod, two sliding blocks are symmetrically and movably sleeved on the outer side of the sliding rod, the bottom of the two sliding blocks are provided with support wheels located on the top of the lifting plate, the tops of the two sliding blocks are fixedly connected with splints, and the surveying instrument is located between the two splints.

[0011] Preferably, the outer side of the placement rack is fixedly connected with a side rod, the end of the side rod away from the placement rack is fixedly connected with a fixed block, the outer side of the side rod is movably sleeved with a movable block, a spring 2 is fixedly connected between the movable block and the placement rack, the spring 2 is sleeved on the outer side of the side rod, the outer side of the movable block is symmetrically rotationally connected with two movable rods 2, and the ends of the two movable rods 2 away from the movable block are respectively rotationally connected to two sliders.

[0012] Preferably, the bottom of the movable block is fixedly connected to a limiting rod, one end of the limiting rod away from the movable block passes through the placement rack and is fixedly connected to a handle, and the limiting rod is movably connected to the placement rack.

[0013] Preferably, the adjustment mechanism includes a chassis located below the two vertical plates, a tripod is fixedly installed on the bottom of the chassis, a conical rod is fixedly installed on the bottom end of the tripod, the top of the chassis is rotatably connected to a support shaft, the top of the support shaft is fixedly connected to a rotating frame, a plurality of columns are fixedly connected at equal angles between the rotating frame and the mounting plate, a plurality of bottom columns are fixedly connected at equal angles to the bottom of the rotating frame, and a ball bearing located at the top of the chassis is installed on the bottom end of each bottom column.

[0014] Preferably, a pressure plate is movably sleeved on the outer side of the support shaft, a top column is fixedly connected to the top of the pressure plate, the top of the top column passes through the rotating frame and is fixedly connected to the top plate, and the top column is movably connected to the rotating frame, a spring three is fixedly connected between the pressure plate and the rotating frame, the spring three is sleeved on the outer side of the top column, a plug rod is fixedly connected to the bottom of the pressure plate, a plurality of sockets are provided at equal angles on the top of the chassis, and the plug rods are inserted into the corresponding sockets.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The present invention facilitates the rotation of the bidirectional screw when the turntable is rotated through the cooperation between the movable column and the side cylinder and the side groove and the side block, and facilitates the sliding of the lifting plate along the two inner rods and drives the sealing plate to move longitudinally through the cooperation between the nut and the guide plate and the guide column and the movable rod one, and facilitates the insertion of the two positioning columns into the two corresponding positioning holes respectively through the cooperation between the L-shaped round rod and the L-shaped plate and the spring one, so as to achieve the fixation of the lifting plate after the movement, so that when it rains, the surveying instrument on the lifting plate is lowered to the bottom of the mounting plate, and the sealing plate is lowered to block the opening to prevent the surveying instrument from being damaged by rainwater, and when the rain stops, the sealing plate is raised to open the opening, so that the surveying instrument on the lifting plate is raised to the top of the mounting plate for use, thereby eliminating the need to disassemble the surveying instrument and improving the efficiency of the surveying work;

[0017] (2) The invention facilitates the sliding of the movable block along the side rod through the cooperation between the side rod and the movable block, and between the second spring and the placement frame, and facilitates the stable movement of the two clamping plates to clamp the surveying instrument placed on the placement frame through the cooperation between the second movable rod and the slider, and between the slider and the support wheel, thereby facilitating the fixing of the surveying instrument;

[0018] (3) The invention facilitates fixing the entire bracket through the cooperation between the tripod and the tapered rod, and facilitates the stable rotation of the mounting plate driven by the column through the cooperation between the support shaft and the rotating frame and the bottom column and the ball bearing 2, thereby enabling the survey instrument to rotate. The invention also facilitates the insertion of the rod into the corresponding socket through the cooperation between the pressure plate and the support shaft and the top column and the spring 3, thereby enabling the survey instrument to be fixed after rotation, thereby facilitating the adjustment of the survey direction at any time according to on-site needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0020] In the attached picture:

[0021] Figure 1 A schematic diagram of the support structure of the bridge engineering survey equipment of the present invention;

[0022] Figure 2 It is a schematic diagram of the lifting mechanism structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the sleeve structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the disassembled structure of the side tube and the movable plate of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the fixing mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the regulating mechanism of the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the rotating frame of the present invention.

[0028] In the figure: 1, mounting plate; 2, lifting mechanism; 201, vertical frame; 202, inner rod; 203, guide column; 204, bidirectional screw rod; 205, vertical plate; 206, sleeve plate; 207, movable rod 1; 208, nut; 209, side tube; 2010, guide plate; 2011, lifting plate; 2012, support column; 2013, opening; 2014, sealing ring; 2015, sealing plate; 2016, positioning hole; 2017, L-shaped plate; 2018, L-shaped round rod; 2019, movable plate; 2020, turntable; 2021, movable column; 2022, positioning column; 2023, spring 1; 2024, annular groove; 2025, ball bearing 1; 2026, movable ring; 20 27. Side groove; 2028. Side block; 3. Fixing mechanism; 301. Placement rack; 302. Handle; 303. Slider; 304. Support wheel; 305. Limit rod; 306. Spring 2; 307. Side rod; 308. Fixing block; 309. Movable rod 2; 3010. Slider; 3011. Clamp; 3012. Movable block; 4. Adjusting mechanism; 401. Chassis; 402. Conical rod; 403. Tripod; 404. Socket; 405. Column; 406. Rotating rack; 407. Bottom column; 408. Support shaft; 409. Ball 2; 4010. Press plate; 4011. Insert rod; 4012. Spring 3; 4013. Top column; 4014. Top plate; 5. Surveying instrument. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] Embodiment 1, by Figure 1-Figure 7 The present invention comprises a mounting plate 1 , a lifting mechanism 2 is arranged at the bottom of the mounting plate 1 , a fixing mechanism 3 and an adjusting mechanism 4 are arranged on the lifting mechanism 2 , and a surveying instrument 5 is arranged at the bottom of the mounting plate 1 .

[0031] Embodiment 2, on the basis of embodiment 1, the lifting mechanism 2 includes two vertical frames 201 symmetrically fixed to the bottom of the mounting plate 1, the two vertical frames 201 are fixedly connected with inner rods 202, the outer sides of the two inner rods 202 are movably sleeved with the same lifting plate 2011, the surveying instrument 5 is located at the top of the lifting plate 2011, the top of the lifting plate 2011 is symmetrically fixedly connected with two supporting columns 2012, a sealing plate 2015 is fixedly connected between the tops of the two supporting columns 2012, the bottom of the sealing plate 2015 is fixedly connected with a sealing ring 2014 located at the top of the mounting plate 1, an opening 2013 is provided in the middle of the mounting plate 1, the two supporting columns 2012 both penetrate the opening 2013, and a sealing ring 2014 located at the bottom of the lifting plate 2011 is fixedly connected between the two vertical frames 201 The guide column 203 is square, and the outer side of the guide column 203 is symmetrically sleeved with two guide plates 2010, and the tops of the two guide plates 2010 are rotatably connected with a movable rod 207, and the tops of the two movable rods 207 are rotatably connected to the bottom of the lifting plate 2011. A two-way screw rod 204 is arranged below the guide column 203, and one end of the two-way screw rod 204 is rotatably connected to one of the vertical frames 201, and the other end of the two-way screw rod 204 is fixedly connected with a side tube 209, and the end of the side tube 209 away from the two-way screw rod 204 passes through the other vertical frame 201, and the outer side of the two-way screw rod 204 is symmetrically sleeved with two screw nuts 208, and the two guide plates 2010 are respectively fixed to the tops of the two screw nuts 208, and the inner side tube 209 is movably sleeved with a movable column 2021, one end of the movable column 2021 away from the two-way screw rod 204 is fixedly connected to the turntable 2020, the outer side of the movable column 2021 is symmetrically fixedly connected with two side blocks 2028, the outer side of the side tube 209 is symmetrically provided with two side grooves 2027, the two side blocks 2028 are respectively slidably connected with the two side grooves 2027, and a movable ring 2026 movably sleeved on the outer side of the side tube 209 is fixedly connected between the two side blocks 2028, and the middle part of the outer side of the guide column 203 is fixedly sleeved with a sleeve plate 206 located above the two-way screw rod 204, and two L-shaped round rods 218 are symmetrically fixedly connected between the vertical frame 201 and the sleeve plate 206 on the side of the turntable 2020, and the outer sides of the two L-shaped round rods 218 are movably sleeved with L-shaped plates 2017, and the two L-shaped A spring 2023 is fixedly connected between the plate 2017 and the sleeve plate 206. The two springs 2023 are respectively sleeved on the outside of the two L-shaped round rods 2018. The bottom of the lifting plate 2011 is symmetrically fixedly connected with two vertical plates 205. The two vertical plates 205 penetrate the sleeve plate 206 and are movably connected to the sleeve plate 206. A movable plate 2019 is movably sleeved on the outside of the side tube 209. The movable ring 2026 is located between the movable plate 2019 and the turntable 2020. An annular groove 2024 is provided on the side of the movable plate 2019 close to the turntable 2020. A plurality of ball bearings 2025 that are in contact with the movable ring 2026 are provided at equal angles in the annular groove 2024. The ball bearings 2025 are provided to avoid direct contact between the movable plate 2019 and the movable ring 2026.To reduce the friction force on the movable ring 2026 when it rotates, two positioning posts 2022 are symmetrically fixedly connected to one side of the movable plate 2019 away from the movable ring 2026, and two L-shaped plates 2017 are respectively fixedly sleeved on the outer sides of the two positioning posts 2022. A plurality of positioning holes 2016 are evenly spaced on one side of the two vertical plates 205 away from the movable plate 2019, and the two positioning posts 2022 are respectively inserted into two corresponding positioning holes 2016;

[0032] First, push the turntable 2020 to drive the movable column 2021 to move horizontally along the side tube 209, and drive the two side blocks 2028 to slide along the two side grooves 2027 respectively, and at the same time, the movable ring 2026 moves horizontally, and then push the movable plate 2019 to move through each ball 2025, and drive the two positioning columns 2022 to move, and at the same time, the two L-shaped plates 2017 slide along the two L-shaped round rods 2018 respectively. At this time, the two springs 2023 are compressed until the two positioning columns 2022 are respectively disengaged from the two corresponding positioning holes 2016, and the fixation between the two vertical plates 205 and the sleeve plate 206 is released. Then rotate the turntable 2020 to drive the movable column 2021 to rotate, and drive the side tube 209 to rotate, and at the same time, the bidirectional screw 204 rotates, and drives the two guide plates 2010 to slide along the guide columns 203 through the two screw nuts 208, and then drives the two movable rods 207 to The lifting plate 2011 slides along the two inner rods 202 and drives the sealing plate 2015 to move longitudinally through the two supporting columns 2012. When the turntable 2020 is released, the restriction effect on the movable plate 2019 is released, and the two positioning columns 2022 are respectively inserted into the two corresponding positioning holes 2016 under the action of the elastic force of the two springs 2023, and the two vertical plates 205 are fixed to the sleeve plate 206, so as to realize the fixation of the lifting plate 2011 and the sealing plate 2015 after movement. When it rains, the surveying instrument 5 on the lifting plate 2011 is lowered to the bottom of the mounting plate 1, and the sealing plate 2015 is lowered to block the opening 213 to prevent the surveying instrument 5 from being damaged by rain. When the rain stops, the sealing plate 2015 is raised to open the opening 213, so that the surveying instrument 5 on the lifting plate 2011 is raised to the top of the mounting plate 1 for use. Finally, there is no need to disassemble the surveying instrument 5 to improve the efficiency of the surveying work.

[0033] Embodiment 3, on the basis of embodiment 1, the fixing mechanism 3 comprises a placing frame 301 fixed to the top of the lifting plate 2011, the surveying instrument 5 is placed on the placing frame 301, a sliding rod 3010 is fixedly connected between the two supporting columns 2012, the placing frame 301 is fixedly sleeved on the middle part of the outer side of the sliding rod 3010, and two sliders 303 are symmetrically and movably sleeved on the outer side of the sliding rod 3010, and the bottom of the two sliders 303 are provided with support wheels 304 located at the top of the lifting plate 2011, and the tops of the two sliders 303 are fixedly connected with a clamping plate 3011, and the surveying instrument 5 is located between the two clamping plates 3011, and the outer side of the placing frame 301 is fixedly connected with a side rod 307, and the side rod 307 is away from the placing frame One end of the frame 301 is fixedly connected with a fixed block 308, and the outer side of the side rod 307 is movably sleeved with a movable block 3012. A spring 2 306 is fixedly connected between the movable block 3012 and the placement frame 301. The spring 2 306 is sleeved on the outer side of the side rod 307. The outer side of the movable block 3012 is symmetrically rotatably connected with two movable rods 2 309. The ends of the two movable rods 2 309 away from the movable block 3012 are respectively rotatably connected to the two sliders 303. The bottom of the movable block 3012 is fixedly connected with a limiting rod 305. The end of the limiting rod 305 away from the movable block 3012 passes through the placement frame 301 and is fixedly connected with a handle 302, and the limiting rod 305 is movably connected to the placement frame 301.

[0034] First, pull the handle 302, and drive the movable block 3012 to slide along the side rod 307 and approach the placement rack 301 through the limit rod 305. At this time, the spring 2 306 is compressed, and then the two movable rods 2 309 are used to drive the two sliders 303 to slide along the slide rod 3010 respectively. At the same time, the two support wheels 304 roll on the top of the lifting plate 2011 to ensure the stability of the two sliders 303 when moving, and the distance between the two clamps 3011 increases. Then, the surveying instrument 5 is placed on the placement rack 301, and the surveying instrument 5 is located between the two clamps 3011. Then release the handle 302. At this time, the two clamps 3011 approach each other under the action of the elastic force of the spring 2 306 to clamp the surveying instrument 5, and finally complete the installation of the surveying instrument 5.

[0035] Embodiment 4, on the basis of embodiment 1, the adjustment mechanism 4 includes a chassis 401 located below the two vertical plates 205, a tripod 403 is fixedly installed at the bottom of the chassis 401, a conical rod 402 is fixedly installed at the bottom end of the tripod 403, the tripod 403 is unfolded, and the conical rod 402 is inserted into the ground to fix the entire bracket, the top of the chassis 401 is rotatably connected to a support shaft 408, the top end of the support shaft 408 is fixedly connected to a rotating frame 406, a plurality of columns 405 are fixedly connected at equal angles between the rotating frame 406 and the mounting plate 1, a plurality of bottom columns 407 are fixedly connected at equal angles at the bottom of the rotating frame 406, and the bottom end of each bottom column 407 A ball bearing 409 located at the top of the chassis 401 is installed, and a pressure plate 4010 is movably sleeved on the outer side of the support shaft 408. A top column 4013 is fixedly connected to the top of the pressure plate 4010. The top of the top column 4013 penetrates the rotating frame 406 and is fixedly connected to the top plate 4014, and the top column 4013 is movably connected to the rotating frame 406. A spring 3 4012 is fixedly connected between the pressure plate 4010 and the rotating frame 406. The spring 3 4012 is sleeved on the outer side of the top column 4013. A plug rod 4011 is fixedly connected to the bottom of the pressure plate 4010. A plurality of plug holes 404 are provided at equal angles on the top of the chassis 401, and the plug rods 4011 are inserted into the corresponding plug holes 404.

[0036] First, move the top plate 4014 upward, and drive the pressure plate 4010 to slide upward along the support shaft 408 through the top column 4013. At this time, the spring three 4012 is compressed, and drives the insertion rod 4011 to rise and disengage from the corresponding socket 404, releasing the fixation of the rotating frame 406 and the chassis 401. Then rotate the rotating frame 406, and drive the mounting plate 1 to rotate through each column 405, and drive the surveying instrument 5 to rotate. When the surveying instrument 5 has completed its rotation, release the top plate 4014. At this time, the insertion rod 4011 is inserted into the corresponding socket 404 under the action of the elastic force of the spring three 4012, and the rotating frame 406 is fixed to the chassis 401, so as to achieve the fixation of the surveying instrument 5 after rotation. Finally, the surveying direction can be adjusted at any time according to the needs of the site.

Claims

1. A support structure for bridge engineering survey equipment, comprising a mounting plate (1), characterized in that: A lifting mechanism (2) is provided at the bottom of the mounting plate (1), a fixing mechanism (3) and an adjusting mechanism (4) are provided on the lifting mechanism (2), and a surveying instrument (5) is provided at the bottom of the mounting plate (1); The lifting mechanism (2) comprises two vertical frames (201) symmetrically fixed to the bottom of the mounting plate (1), the two vertical frames (201) are both fixedly connected to inner rods (202), the outer sides of the two inner rods (202) are movably sleeved with the same lifting plate (2011), the surveying instrument (5) is located at the top of the lifting plate (2011), the top of the lifting plate (2011) is symmetrically fixedly connected to two supporting columns (2012), the tops of the two supporting columns (2012) are fixedly connected to a sealing plate (2015), the bottom of the sealing plate (2015) is fixedly connected to a sealing ring (2014) located at the top of the mounting plate (1), the middle of the mounting plate (1) is provided with an opening (2013), the two supporting columns (2012) both penetrate the opening (201 3), a guide column (203) located below the lifting plate (2011) is fixedly connected between the two vertical frames (201), and two guide plates (2010) are symmetrically and movably sleeved on the outer side of the guide column (203), and the tops of the two guide plates (2010) are rotatably connected to movable rods (207), and the tops of the two movable rods (207) are rotatably connected to the bottom of the lifting plate (2011), and a bidirectional screw rod (204) is provided below the guide column (203), and one end of the bidirectional screw rod (204) is rotatably connected to one of the vertical frames (201), and the other end of the bidirectional screw rod (204) is fixedly connected to a side tube (209), and the end of the side tube (209) away from the bidirectional screw rod (204) passes through the other vertical frame (201), and the bidirectional screw rod (204) is fixedly connected to the side tube (209), and the end of the side tube (209) away from the bidirectional screw rod (204) passes through the other vertical frame (201), and the bidirectional screw rod (204) is fixedly connected to the two vertical frames (201). Two screw nuts (208) are symmetrically threadedly sleeved on the outer side of the bidirectional screw rod (204), two guide plates (210) are respectively fixed to the tops of the two screw nuts (208), a movable column (221) is movably sleeved inside the side tube (209), one end of the movable column (221) away from the bidirectional screw rod (204) is fixedly connected to a turntable (220), the outer side of the movable column (221) is symmetrically fixedly connected to two side blocks (2028), the outer side of the side tube (209) is symmetrically provided with two side grooves (2027), the two side blocks (2028) are respectively slidably connected to the two side grooves (2027), a movable ring (2026) movably sleeved on the outer side of the side tube (209) is fixedly connected between the two side blocks (2028), the guide column ( A sleeve plate (206) located above the bidirectional screw rod (204) is fixedly sleeved on the middle part of the outer side of the lifting plate (203); two L-shaped round rods (218) are symmetrically fixedly connected between the vertical frame (201) on the side close to the rotating disk (2020) and the sleeve plate (206); L-shaped plates (217) are movably sleeved on the outer sides of the two L-shaped round rods (218); springs (223) are fixedly connected between the two L-shaped plates (217) and the sleeve plate (206); the two springs (223) are respectively sleeved on the outer sides of the two L-shaped round rods (218); two vertical plates (205) are symmetrically fixedly connected to the bottom of the lifting plate (211); the two vertical plates (205) penetrate the sleeve plate (206) and are movably connected to the sleeve plate (206);A movable plate (2019) is provided on the outer movable sleeve of the side tube (209), a movable ring (2026) is located between the movable plate (2019) and the turntable (2020), an annular groove (2024) is provided on the side of the movable plate (2019) close to the turntable (2020), a plurality of ball bearings (2025) are provided at equal angles in the annular groove (2024) and are all fitted with the movable ring (2026), two positioning columns (2022) are symmetrically fixedly connected to the side of the movable plate (2019) away from the movable ring (2026), two L-shaped plates (2017) are respectively fixedly sleeved on the outer sides of the two positioning columns (222), a plurality of positioning holes (2016) are evenly spaced on the side of the two vertical plates (205) away from the movable plate (2019), and the two positioning columns (222) are respectively inserted into two corresponding positioning holes (2016).

2. The support structure of a bridge engineering survey equipment according to claim 1, characterized in that: The fixing mechanism (3) comprises a placing frame (301) fixed to the top of the lifting plate (2011), the surveying instrument (5) is placed on the placing frame (301), a sliding rod (3010) is fixedly connected between two supporting columns (2012), the placing frame (301) is fixedly sleeved on the middle part of the outer side of the sliding rod (3010), two sliding blocks (303) are symmetrically and movably sleeved on the outer side of the sliding rod (3010), the bottoms of the two sliding blocks (303) are provided with supporting wheels (304) located on the top of the lifting plate (2011), the tops of the two sliding blocks (303) are fixedly connected with clamping plates (3011), and the surveying instrument (5) is located between the two clamping plates (3011).

3. The support structure of a bridge engineering survey equipment according to claim 2 is characterized by: The outer side of the placement rack (301) is fixedly connected to a side rod (307), one end of the side rod (307) away from the placement rack (301) is fixedly connected to a fixed block (308), the outer side of the side rod (307) is movably sleeved with a movable block (3012), a second spring (306) is fixedly connected between the movable block (3012) and the placement rack (301), the second spring (306) is sleeved on the outer side of the side rod (307), the outer side of the movable block (3012) is symmetrically rotatably connected to two second movable rods (309), and the ends of the two second movable rods (309) away from the movable block (3012) are respectively rotatably connected to the two sliders (303).

4. The support structure of a bridge engineering survey equipment according to claim 3 is characterized by: The bottom of the movable block (3012) is fixedly connected to a limiting rod (305), one end of the limiting rod (305) away from the movable block (3012) passes through the placement rack (301) and is fixedly connected to a handle (302), and the limiting rod (305) is movably connected to the placement rack (301).

5. The support structure of a bridge engineering survey equipment according to claim 1, characterized in that: The adjustment mechanism (4) comprises a chassis (401) located below the two vertical plates (205); a tripod (403) is fixedly mounted on the bottom of the chassis (401); a conical rod (402) is fixedly mounted on the bottom end of the tripod (403); a support shaft (408) is rotatably connected to the top of the chassis (401); a rotating frame (406) is fixedly connected to the top end of the support shaft (408); a plurality of vertical columns (405) are fixedly connected at equal angles between the rotating frame (406) and the mounting plate (1); a plurality of bottom columns (407) are fixedly connected at equal angles to the bottom of the rotating frame (406); and a ball bearing (409) located at the top of the chassis (401) is mounted on the bottom end of each bottom column (407).

6. The support structure of the bridge engineering survey equipment according to claim 5, characterized in that: The outer side of the support shaft (408) is movably sleeved with a pressure plate (4010), the top of the pressure plate (4010) is fixedly connected to a top column (4013), the top of the top column (4013) passes through the rotating frame (406) and is fixedly connected to a top plate (4014), and the top column (4013) is movably connected to the rotating frame (406), a spring three (4012) is fixedly connected between the pressure plate (4010) and the rotating frame (406), the spring three (4012) is sleeved on the outer side of the top column (4013), the bottom of the pressure plate (4010) is fixedly connected to an insertion rod (4011), and a plurality of insertion holes (404) are provided at equal angles on the top of the bottom plate (401), and the insertion rods (4011) are inserted into corresponding insertion holes (404).

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