A construction tooling for protecting the pier body in the splash zone of a low-pile-cap pier

Abstract

The present invention relates to the technical field of pier construction devices, and discloses a construction tooling for protecting the pier body in the splash zone of a low-piled cap pier, which includes a construction seat with a first placement chamber inside, a second placement chamber provided on one side of the first placement chamber, and a receiving groove provided on one side of the construction seat; a waterproof tight pad provided in the receiving groove; a first support assembly provided in the middle of the first placement chamber; a plurality of second support assemblies provided on both sides of the first placement chamber; a pushing assembly provided in the second placement chamber; and a driving assembly provided in the first placement chamber. For the above-mentioned construction tooling for protecting the pier body in the splash zone of a low-piled cap pier, by starting the driving assembly, the pushing assembly is driven to drive the waterproof tight pad to adsorb on the surface of the pier underwater; and the driving assembly is used to drive the first support assembly and the second support assemblies to move, so as to fixedly support the construction seat, and two construction seats are enclosed to form a working space.

Description

Technical Field

[0001] The present invention relates to the technical field of pier construction devices, and particularly relates to a construction tool for protecting the pier body in the splash zone of a low-pile cap pier. Background Art

[0002] The pier column is the main body of the intermediate support structure of a bridge, and the main materials are wood, stone, concrete, reinforced concrete, steel, etc.

[0003] In the splash zone and the wet-dry alternating area of the pier column in water, diseases such as concrete damage and steel bar corrosion formed by freeze-thaw cycles, chloride ion erosion, and water flow erosion are likely to occur. Once these diseases occur, they have a great impact on the durability of the bridge substructure and the overall life of the bridge. Therefore, it is necessary to detect and repair them in time; most of these diseases are located within a certain range above and below the water level line, and operations on the part of the pier column below the water surface are required during the repair process.

[0004] At present, the repair technologies for underwater pier columns are mainly the jacket method and the underwater coating method. Both of these methods are underwater wet operations. Therefore, manual diving operations are required during the surface treatment of concrete. However, this operation method is difficult, has a low safety factor and construction efficiency, and at the same time, the construction quality cannot be guaranteed. Therefore, there is an urgent need to design a construction tool for protecting the pier body in the splash zone of a low-pile cap pier for dry construction of the underwater part of the pier column in the splash zone. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the present invention provides a construction tool for protecting the pier body in the splash zone of a low-pile cap pier, which can perform dry construction, thereby improving the problems of difficult manual operation, low safety factor and low construction efficiency.

[0006] A construction tool for protecting the pier body in the splash zone of a low-pile cap pier includes two construction seats, with a first placement chamber inside. A second placement chamber is provided on one side of the first placement chamber, and a receiving groove is also provided on the opposite side of the two construction seats; a waterproof tight pad, slidably installed in the receiving groove; a first support assembly, arranged in the middle of the first placement chamber, and the first support assembly is used to fixedly support the construction seat; a plurality of second support assemblies, arranged on both sides of the first placement chamber, and the second support assemblies are used to cooperate with the first support assembly to assist in supporting the construction seat; a pushing assembly, arranged in the second placement chamber, and the pushing assembly is used to push the waterproof tight pad to move; and a driving assembly, arranged in the first placement chamber, and the driving assembly is used to drive the first support assembly and the second support assemblies to move.

[0007] Further, the driving assembly includes a driving motor, and the output shaft of the driving motor is fixedly connected to a first rotating rod.

[0008] Further, the first support assembly includes a sleeve. One end of the first rotating rod penetrates into the sleeve, and a moving rod is threadedly connected to the outer side of the end of the first rotating rod located inside the sleeve. One end of the moving rod penetrates through the first placement chamber and protrudes from the construction seat, and a first support plate is fixedly connected to the end of the moving rod located outside the construction seat.

[0009] Further, the second support assembly includes a rotating shaft and a first transmission belt. The rotating shaft is rotatably installed in the first placement chamber, and the rotating shaft and the first rotating rod are connected by the first transmission belt. A threaded groove is provided at the other end of the rotating shaft, and a threaded rod is threadedly connected to the threaded groove. One end of the threaded rod located outside the threaded groove penetrates through the first placement chamber and protrudes from the construction seat, and a second support plate is fixedly connected to the end of the threaded rod located outside the construction seat.

[0010] Further, the pushing assembly includes a second rotating rod and a second transmission belt. The second rotating rod is rotatably installed in the second placement chamber, and the second rotating rod and the first rotating rod are connected by the second transmission belt. A transmission gear is fixedly sleeved on the outer side of the second rotating rod. A transmission rack is slidably installed in the second placement chamber. The transmission rack meshes with the transmission gear, and one end of the transmission rack penetrates out of the second placement chamber and is fixedly connected to a waterproof gasket.

[0011] Further, first placement grooves are formed on both sides of the moving rod, and auxiliary support rods are rotatably installed in the first placement grooves. A torsion spring is provided between the auxiliary support rods and the moving rod.

[0012] Further, limiting grooves are symmetrically formed in the sleeve, and limiting blocks are slidably installed in the limiting grooves. The ends of the limiting blocks are fixedly connected to the side wall of the moving rod.

[0013] Further, a plurality of floating air cushions are connected to the outer side of the construction seat through a plurality of connection components, and a water pressure sensor located above the floating air cushions is installed on the outer side of the construction seat. The water pressure sensor is electrically connected to the drive motor.

[0014] Further, the connection component includes a mounting seat and a base. The mounting seat is fixedly installed on the outer side of the construction seat, the base is slidably installed on the outer side of the mounting seat. A plurality of second placement grooves are formed on the side of the base facing the floating air cushion, and moving columns are slidably installed in the second placement grooves. A buffer damper is fixedly connected between the inner wall of the second placement groove and the end of the moving column, and the other end of the moving column is fixedly connected to the side wall of the floating air cushion.

[0015] Furthermore, a plurality of sliding grooves are formed on one side of the mounting base facing the base. Sliders are slidably mounted in the sliding grooves, and the ends of the sliders are fixedly connected to the side wall of the base.

[0016] The invention adopting the above technical solution has the following advantages:

[0017] Through the cooperative setting of the construction seat, the first placement chamber, the second placement chamber, the accommodating groove, the waterproof tight pad, the first support assembly, the second support assembly, the pushing assembly and the driving assembly, the driving assembly is started to drive the pushing assembly to drive the waterproof tight pad to adsorb on the surface of the bridge pier underwater; at the same time, the driving assembly drives the first support assembly and the second support assembly to move, and then fixedly supports the construction seat, and then encloses the two construction seats to form a working space, which can solve the problem that divers are required for underwater construction at the present stage, and the tooling can shorten the construction period and save the construction cost.

[0018] The invention realizes the synchronous movement of the pushing assembly, the first support assembly and the second support assembly through the driving assembly, so that the structure of the tooling is relatively compact and the transmission is stable; at the same time, it is convenient to adjust and also has the function of stepless adjustment.

[0019] By providing the sleeve, the moving rod and the first support plate, the driving motor is started, and the output shaft of the driving motor drives the first rotating rod to rotate, thereby driving the moving rod in the sleeve to move up and down, and then enabling the first support plate to move up and down. Then, the construction seat is fixedly supported by the first support plate, which is convenient for subsequent construction by the staff.

[0020] By providing the rotating shaft, the first transmission belt, the threaded rod and the second support plate, when the first rotating rod rotates, it drives the rotating shaft to rotate through the transmission of the first transmission belt, and then drives the threaded rod to move up and down relative to the threaded groove in the rotating shaft, and further drives the second support rod to move up and down, which is convenient for cooperating with the first support plate to further fixedly support the construction seat.

[0021] By providing the second rotating rod, the second transmission belt, the transmission gear and the transmission rack, when the first rotating rod rotates, it also drives the second rotating rod to rotate through the transmission of the second transmission belt, and then drives the transmission gear to rotate, and further drives the transmission rack to move, and then drives the two waterproof tight pads to approach each other, so as to closely fit the surface of the bridge pier, and further improve the fixing effect of the construction seat.

[0022] In the present invention, by providing a floating air cushion and a water pressure sensor, after the construction seat reaches the position of the bridge pier and is enclosed, the floating air cushion can be deflated, so that the construction seat slowly sinks and drives the water pressure sensor to move downward; when the construction seat reaches the pre-treatment position of the bridge pier, the water pressure sensor can contact the water surface, so that the water pressure sensor emits an electrical signal, and then controls the driving component to start, so that the tooling automatically completes the subsequent fixing work.

[0023] In the present invention, by providing a mounting seat, a base, a second placement groove, a moving column and a buffer damper, when the device encloses the bridge pier, the floating air cushion can make the device float on the water surface. When the water flow hits the outer surface of the floating air cushion, the floating air cushion can transfer the kinetic energy to the buffer damper through the moving column, and the buffer damper converts the elastic potential energy into the kinetic energy of the floating air cushion during the recovery process, so as to cancel out the kinetic energy of the water flow, and thus it is convenient for the staff to carry out the preliminary enclosure installation of the construction seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present invention, the drawings required for the specific embodiments will be briefly introduced below. In all the drawings, the components or parts are not necessarily drawn according to the actual scale.

[0025] Figure 1 It is a partial cross-sectional structural schematic diagram of a construction tooling for protecting the pier body in the splash zone of a low-pile cap bridge pier of the present invention;

[0026] Figure 2 is Figure 1 an enlarged structural schematic diagram of part A in

[0027] Figure 3 It is a structural schematic diagram of a construction tooling for protecting the pier body in the splash zone of a low-pile cap bridge pier of the present invention;

[0028] Figure 4 It is a structural schematic diagram of a connection component in a construction tooling for protecting the pier body in the splash zone of a low-pile cap bridge pier of the present invention;

[0029] Figure 5 It is a cross-sectional structural schematic diagram of a construction seat in a construction tooling for protecting the pier body in the splash zone of a low-pile cap bridge pier of the present invention;

[0030] Figure 6 It is a cross-sectional structural schematic diagram of a sleeve in a construction tooling for protecting the pier body in the splash zone of a low-pile cap bridge pier of the present invention;

[0031] Reference numerals:

[0032] Construction seat 1, first placement chamber 101, second placement chamber 102, receiving groove 103,

[0033] Waterproof tight pad 2,

[0034] Drive motor 31, first rotating rod 32,

[0035] Sleeve 41, moving rod 42, first support plate 43,

[0036] Rotating shaft 51, first transmission belt 52, threaded rod 53, second support plate 54,

[0037] Second rotating rod 61, second transmission belt 62, transmission gear 63, transmission rack 64,

[0038] First placement groove 71, auxiliary support rod 72,

[0039] Limit groove 81, limit block 82,

[0040] Floating air cushion 9,

[0041] Mounting seat 10, base 11, second placement groove 12, moving column 13, buffer damper 14,

[0042] Sliding groove 15, slider 16. Specific implementation manner

[0043] The embodiments of the technical solutions of the present invention will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples and cannot be used to limit the protection scope of the present invention.

[0044] Such as Figures 1 to 6As shown in the figure, a construction tooling for protecting the pier body in the splash zone of a low-pile cap pier according to the present invention includes two construction seats 1. A construction platform is provided at the top of the construction seat 1 for workers to stand on for construction. A guardrail is fixedly installed on the outside of the construction platform to protect the safety of workers. The two construction seats 1 are arranged in a "U" shape, and the ends of the two construction seats 1 are connected through flange plates and then fastened with bolts (not shown in the figure). And waterproof sealing gaskets are provided at the connecting ends of the two construction seats 1. When the two construction seats 1 are enclosed together, it can play a role in blocking external water, and the inside of the construction seat 1 adopts a waterproof sealing layer to seal and prevent water leakage, keeping the construction platform dry. A first placement chamber 101 is opened inside each construction seat 1. A second placement chamber 102 is opened on one side of the first placement chamber 101 close to the middle of the construction seat 1, and a receiving groove 103 is also opened on the opposite side of the two construction seats 1; a waterproof tight pad 2 is slidably installed in the receiving groove 103; a first support assembly is arranged in the middle of the first placement chamber 101, and the first support assembly is used to fixedly support the construction seat 1; two second support assemblies are arranged on the front and rear sides of the first placement chamber 101, and the second support assemblies are used to cooperate with the first support assembly to assist in supporting the construction seat 1; a pushing assembly is arranged in the second placement chamber 102, and the pushing assembly is used to push the waterproof tight pad 2 to move; and a driving assembly is arranged in the first placement chamber 101, and the driving assembly is used to drive the first support assembly and the second support assembly to move.

[0045] The convenience of construction and economic benefits brought by this tooling are not seen in the current market. This tooling can form a water-free working space underwater, making underwater construction no longer difficult.

[0046] The driving assembly includes a driving motor 31, which is fixedly installed on the top wall of the first placement chamber 101. The output shaft of the driving motor 31 is fixedly connected to a first rotating rod 32. By setting the driving motor 31 and the first rotating rod 32, when the driving motor 31 is started, the output shaft of the driving motor 31 rotates, and then drives the first rotating rod 32 to rotate, thereby realizing subsequent transmission work.

[0047] The first support assembly includes a sleeve 41, which is fixedly mounted on the bottom wall of the first placement chamber 101, the bottom end of the first rotating rod 32 penetrates into the sleeve 41, and the outer side of one end of the first rotating rod 32 located in the sleeve 41 is threadedly connected with a moving rod 42, the bottom end of the moving rod 42 penetrates the bottom wall of the first placement chamber 101 and emerges from the bottom end of the construction seat 1, and the end of the moving rod 42 located outside the construction seat 1 is fixedly connected with a first support plate 43. By setting the sleeve 41, the moving rod 42 and the first support plate 43, the drive motor 31 is started, and the output shaft of the drive motor 31 drives the first rotating rod 32 to rotate, thereby driving the moving rod 42 in the sleeve 41 to move up and down, and then the first support plate 43 moves up and down, and then the construction seat 1 is fixedly supported by the first support plate 43, so as to facilitate the construction of subsequent staff.

[0048] The second support assembly includes a rotating shaft 51 and a first transmission belt 52. The top of the rotating shaft 51 is rotatably mounted on the top wall of the first placement chamber 101, and the outer side of the rotating shaft 51 and the outer side of the first rotating rod 32 are both rotatably connected with the first transmission wheel. The two first transmission wheels are connected by the first transmission belt 52. The bottom end of the rotating shaft 51 is provided with a threaded groove, and a threaded rod 53 is threadedly connected in the threaded groove. The end of the threaded rod 53 located outside the threaded groove passes through the bottom wall of the first placement chamber 101 and emerges from the bottom end of the construction seat 1. The end of the threaded rod 53 located outside the construction seat 1 is fixedly connected with the second support plate 54. By setting the rotating shaft 51, the first transmission belt 52, the threaded rod 53 and the second support plate 54, when the first rotating rod 32 rotates, the rotating shaft 51 is driven to rotate through the transmission of the first transmission belt 52, and then the threaded rod 53 is driven to move up and down relative to the threaded groove in the rotating shaft 51, and then the second support rod is driven to move up and down, so as to cooperate with the first support plate 43 to further fix and support the construction seat 1.

[0049] The driving assembly includes a second rotating rod 61 and a second transmission belt 62. The second rotating rod 61 is rotatably installed inside the second placement chamber 102, and second transmission wheels are rotatably connected to the outer sides of both the second rotating rod 61 and the first rotating rod 32. The two second transmission wheels are connected by the second transmission belt 62. The second transmission belt 62 is located below the first transmission belt 52. A transmission gear 63 is fixedly sleeved on the outer side of the second rotating rod 61. A transmission rack 64 is slidably installed in the second placement chamber 102. The transmission rack 64 meshes with the transmission gear 63, and one end of the transmission rack 64 facing the waterproof cushion 2 passes through the second placement chamber 102 and is fixedly connected to the end of the waterproof cushion 2. By providing the second rotating rod 61, the second transmission belt 62, the transmission gear 63, and the transmission rack 64, when the first rotating rod 32 rotates, it will also drive the second rotating rod 61 to rotate through the transmission of the second transmission belt 62, then drive the transmission gear 63 to rotate, and further drive the transmission rack 64 to move, thereby driving the two waterproof cushions 2 to approach each other, so as to closely fit the surface of the bridge pier and further improve the fixing effect of the construction seat 1.

[0050] First placement grooves 71 are formed on both the left and right sides of the moving rod 42. The first placement grooves 71 are symmetrically arranged with the moving rod 42 as the center. A rotating shaft is rotatably connected in the first placement groove 71. A torsion spring (not shown in the figure) is fixedly connected to the rotating shaft. One side of the torsion spring facing the first placement groove 71 is fixedly connected to the side wall of the first placement groove 71. An auxiliary support rod 72 is fixedly connected to the outer side of the rotating shaft. By providing the first placement groove 71, the rotating shaft, the torsion spring, and the auxiliary support rod 72, when the moving rod 42 moves downward, the auxiliary support rod 72 in the first placement groove 71 gradually disengages from the restriction of the bottom end of the construction seat 1, so that the bottom end of the auxiliary support rod 72 rotates outward by 45° relative to the first placement groove 71 under the action of the rotating shaft and the torsion spring, then changes the initial position, and further cooperates with the first support plate 43 to play a further fixed support role for the construction seat 1.

[0051] Limiting grooves 81 are symmetrically formed in the sleeve 41. Limiting blocks 82 are slidably installed in the limiting grooves 81. The end of the limiting block 82 is fixedly connected to the side wall of the moving rod 42. By providing the limiting grooves 81 and the limiting blocks 82, when the moving rod 42 moves up and down, it will drive the limiting blocks 82 to slide up and down in the limiting grooves 81. Due to the restriction of the limiting grooves 81, the moving rod 42 can only move up and down, thereby improving the moving efficiency.

[0052] On the outer side of the construction seat 1, two floating air cushions 9 are connected through two connecting components. An air release hole is installed on the outer side of the floating air cushion 9, and an air release valve (not shown in the figure) is installed in the air release hole. Moreover, a water pressure sensor (not shown in the figure) with the model SIN-P310 is installed on the outer side of the construction seat 1 above the floating air cushion 9. The water pressure sensor is electrically connected to the driving motor 31. By providing the floating air cushion 9 and the water pressure sensor, when the construction seat 1 reaches the position of the bridge pier, the floating air cushion 9 can be deflated, so that the construction seat 1 slowly sinks and drives the water pressure sensor to move downward; when the construction seat 1 reaches the pre-treatment position of the bridge pier and completes the enclosure of the bridge pier, the water pressure sensor can contact the water surface, so that the water pressure sensor emits an electrical signal, and then controls the driving component to start, so that the tooling automatically completes the subsequent fixing work.

[0053] The connecting component includes a mounting seat 10 and a base 11. One end of the two mounting seats 10 facing each other is fixedly installed by clamping. The mounting seat 10 is fixedly installed on the outer side of the construction seat 1, and the base 11 is slidably installed on the outer side of the mounting seat 10. A plurality of second placement grooves 12 are formed on one side of the base 11 facing the floating air cushion 9. The plurality of second placement grooves 12 are arranged at intervals. A moving column 13 is slidably installed in the second placement groove 12, and a buffer damper 14 is fixedly connected between the inner wall of the second placement groove 12 and the end of the moving column 13. One end of the moving column 13 outside the second placement groove 12 is fixedly connected to the side wall of the floating air cushion 9. By providing the mounting seat 10, the base 11, the second placement groove 12, the moving column 13, and the buffer damper 14, when the device encloses the bridge pier, the device can float on the water surface through the floating air cushion 9. When the water flow hits the outer surface of the floating air cushion 9, the floating air cushion 9 can transfer the kinetic energy to the buffer damper 14 through the moving column 13, and the buffer damper 14 converts the elastic potential energy into the kinetic energy of the floating air cushion 9 during the recovery process, so as to cancel out the kinetic energy of the water flow, and thus it is convenient for the staff to carry out the preliminary enclosure installation of the construction seat 1.

[0054] A plurality of sliding grooves 15 are formed on one side of the mounting seat 10 facing the base 11. The plurality of sliding grooves 15 are arranged at intervals. A slider 16 is slidably installed in the sliding groove 15, and the end of the slider 16 is fixedly connected to the side wall of the base 11. By providing the sliding groove 15 and the slider 16, when the floating air cushion 9 is deflated, it will drive the base 11 to move downward relative to the mounting seat 10 and make the slider 16 slide downward inside the sliding groove 15; due to the limitation of the sliding groove 15, the movement of the base 11 will not deviate from the initial position, which is convenient for the subsequent staff to inflate the floating air cushion 9 again when disassembling the construction seat 1; at the same time, when the water surface rises or falls to a certain extent, the floating air cushion 9 can better adjust following the change of the water surface height, thereby improving the practicability.

[0055] The usage method of the present invention is as follows:

[0056] During use, the staff first transport the two "U"-shaped construction seats 1 to the pier, then fixedly connect the two construction seats 1, and then deflate the floating air cushion 9, so that the construction seat 1 slowly sinks and drives the water pressure sensor to move downward; when the construction seat 1 reaches the pre-treatment position of the pier, the water pressure sensor can contact the water surface, so that the water pressure sensor emits an electrical signal, and then starts the drive motor 31. Then, through the rotation of the output shaft of the drive motor 31, the first rotating rod 32 is driven to rotate, and then the moving rod 42 in the sleeve 41 is driven to move downward, and then the first support plate 43 is driven to move downward to reach the pier cap, and finally the construction seat 1 is fixedly supported by the first support plate 43.

[0057] At the same time, when the first rotating rod 32 rotates, it drives the rotating shaft 51 to rotate through the transmission of the first transmission belt 52, and then drives the threaded rod 53 to rotate downward relative to the thread groove in the rotating shaft 51, and then drives the second support rod to rotate downward to reach the pier cap, which is convenient to cooperate with the first support plate 43 to further fixedly support the construction seat 1.

[0058] Moreover, when the first rotating rod 32 rotates, it also drives the second rotating rod 61 to rotate through the transmission of the second transmission belt 62, and then drives the transmission gear 63 to rotate, and further drives the transmission rack 64 to move, and then drives the two waterproof tight pads 2 to approach each other, so as to closely fit the surface of the pier and further improve the fixing effect of the construction seat 1.

[0059] Then, the water in the construction space in the construction seat 1 is pumped out, and the staff enters from above the construction seat 1 to process the surface of the pier.

[0060] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

Claims

1. A construction tool for protecting the pier body in the splash zone of a low-pile cap pier, characterized in that include: Two construction seats (1) are provided with a first placement chamber (101) inside, a second placement chamber (102) is provided on one side of the first placement chamber (101), and a receiving groove (103) is also provided on the opposite side of the two construction seats (1); A waterproof close-fitting pad (2) slidably mounted in the receiving groove (103); A first support assembly is arranged in the middle of the first placement chamber (101), and the first support assembly is used to fix and support the construction seat (1); A plurality of second support components, arranged on both sides of the first placement chamber (101), and the second support components are used to cooperate with the first support components to provide auxiliary support for the construction seat (1); A pushing component is arranged in the second placement chamber (102), and the pushing component is used to push the waterproof close-fitting pad (2) to move; and A driving component is arranged in the first placement chamber (101), and the driving component is used to drive the first supporting component and the second supporting component to move.

2. The construction tooling for protecting the pier body in the splash zone of a low-pile cap pier according to claim 1, wherein The driving assembly comprises a driving motor (31), and an output shaft of the driving motor (31) is fixedly connected to a first rotating rod (32).

3. A construction tool for protecting the pier body in the splash zone of a low-pile cap pier according to claim 2, characterized in that, The first supporting assembly comprises a sleeve (41), one end of the first rotating rod (32) penetrates into the sleeve (41), and the outer side of the end of the first rotating rod (32) located in the sleeve (41) is threadedly connected to a moving rod (42), one end of the moving rod (42) penetrates the first placement chamber (101) and emerges from the construction seat (1), and the end of the moving rod (42) located outside the construction seat (1) is fixedly connected to a first supporting plate (43).

4. A construction tool for protecting the pier body in the splash zone of a low pile cap pier according to claim 3, characterized in that, The second supporting assembly comprises a rotating shaft (51) and a first transmission belt (52); the rotating shaft (51) is rotatably mounted in the first placement chamber (101), and the rotating shaft (51) and the first rotating rod (32) are transmission-connected via the first transmission belt (52); a thread groove is provided at the other end of the rotating shaft (51), a threaded rod (53) is threadedly connected in the thread groove, and an end of the threaded rod (53) located outside the thread groove passes through the first placement chamber (101) and protrudes from the construction seat (1); and an end of the threaded rod (53) located outside the construction seat (1) is fixedly connected to a second supporting plate (54).

5. A construction tool for protecting the pier body in the splash zone of a low pile cap pier according to claim 4, characterized in that, The pushing assembly comprises a second rotating rod (61) and a second transmission belt (62); the second rotating rod (61) is rotatably mounted in the second placement chamber (102), and the second rotating rod (61) and the first rotating rod (32) are transmission-connected via the second transmission belt (62); a transmission gear (63) is fixedly sleeved on the outer side of the second rotating rod (61); a transmission rack (64) is slidably mounted in the second placement chamber (102); the transmission rack (64) is meshed with the transmission gear (63), and one end of the transmission rack (64) passes through the second placement chamber (102) and is fixedly connected to a waterproof close-fitting pad (2).

6. The construction tooling for protecting the pier body in the splash zone of a low-piled cap pier according to claim 3, characterized in that, On both sides of the moving rod (42), first placement grooves (71) are formed. An auxiliary support rod (72) is rotatably installed in the first placement groove (71), and a torsion spring is provided between the auxiliary support rod (72) and the moving rod (42).

7. A construction tool for protecting the pier body in the splash zone of a low-pile cap pier according to claim 6, characterized in that, Limit grooves (81) are symmetrically formed in the sleeve (41). Limit blocks (82) are slidably installed in the limit grooves (81), and the ends of the limit blocks (82) are fixedly connected to the side wall of the moving rod (42).

8. A construction tool for protecting the pier body in the splash zone of a low-pile cap pier according to claim 2, characterized in that, A plurality of floating air cushions (9) are connected to the outside of the construction seat (1) through a plurality of connection components, and a water pressure sensor located above the floating air cushions (9) is installed on the outside of the construction seat (1). The water pressure sensor is electrically connected to the drive motor (31).

9. A construction tool for protecting the pier body in the splash zone of a low-pile cap pier according to claim 8, characterized in that, The connection component includes a mounting seat (10) and a base (11). The mounting seat (10) is fixedly installed on the outside of the construction seat (1). The base (11) is slidably installed on the outside of the mounting seat (10). A plurality of second placement grooves (12) are formed on the side of the base (11) facing the floating air cushion (9). A moving column (13) is slidably installed in the second placement groove (12), and a buffer damper (14) is fixedly connected between the inner wall of the second placement groove (12) and the end of the moving column (13). The other end of the moving column (13) is fixedly connected to the side wall of the floating air cushion (9).

10. A construction tooling for protecting the pier body in the splash zone of a low-pile cap pier according to claim 9, characterized in that, A plurality of chutes (15) are formed on the side of the mounting seat (10) facing the base (11). Sliders (16) are slidably installed in the chutes (15), and the ends of the sliders (16) are fixedly connected to the side wall of the base (11).

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