Prestressed pier structure and construction method

Abstract

This invention relates to the field of water conservancy engineering technology, and in particular provides a prestressed gate pier structure and construction method. The prestressed gate pier structure includes a gate pier body, a gate track vertically opened on the right side of the gate pier body, a gate slidably installed in the gate track and capable of lifting and lowering, and a second water storage channel on the top right side of the water storage side of the gate pier body, which is aligned with the first water storage channel. A partition is provided between the first and second water storage channels. The left end of the first water storage channel extends directly to the left side of the gate pier body. To automatically open the plug seat when there is a large amount of water or high water pressure on the water storage side of the gate pier body, the water surface ripples and the slurry plate rotates upwards, releasing the water pressure on the water storage side. This achieves automatic protection of the gate pier body and improves its strength.

Description

Technical Field

[0001] This invention relates to the field of water conservancy engineering technology, and in particular to a prestressed gate pier structure and construction method. Background Technology

[0002] A sluice gate is a low-head hydraulic structure built on rivers and canals to control flow and regulate water levels using gates. Closing the gates can impound floods, block tides, or raise upstream water levels to meet needs for irrigation, power generation, navigation, aquaculture, environmental protection, industrial and domestic water use. In water conservancy construction, a sluice gate is not an isolated structure; it consists of foundation components such as gate piers and receiving chambers, manufactured using a casting process. In most cases, these foundation components are constructed with cement or concrete. The construction quality of the gate piers directly determines whether the gate can withstand significant water pressure during installation. Therefore, to improve the structural strength of the gate piers, their resistance to deformation, impact, and stress concentration must be considered during the design phase.

[0003] The gate pier completes flood discharge operations through only one gate location. This single-location flood discharge method causes a sharp increase in the flow velocity of water flowing downstream from upstream, resulting in a large impact on the gate pier. The large water storage in the reservoir where the gate pier is located also causes the gate pier to be subjected to a large water pressure impact. How to further improve the structural strength of the gate pier is a problem that needs to be solved in current water conservancy projects. Summary of the Invention

[0004] The technical problem to be solved by this invention is:

[0005] The technical solution of the present invention is a prestressed gate pier structure, including a gate pier body, a gate track opened vertically on the right end side of the gate pier body, a gate that is slidably installed in the gate track and can be raised and lowered, and a prestressing mechanism installed on the water storage side of the gate pier body.

[0006] A first water storage channel is provided on the top left side of the water storage side of the gate pier body, and a second water storage channel is provided on the top right side of the water storage side of the gate pier body, which is on the same left-right straight line as the first water storage channel. A partition is provided between the first water storage channel and the second water storage channel. The left end of the first water storage channel is directly connected to the left side of the gate pier body, and the right end of the second water storage channel is directly connected to the right side of the gate pier body. The partition is provided with a first through hole at the left and right ends, which are respectively connected to the first water storage channel and the second water storage channel.

[0007] The prestressing mechanism includes a rubber push rod horizontally placed in the second water storage channel, a limiting plate fixed to the right end of the rubber push rod, and a first spring sleeved on the rubber push rod, with its left and right ends elastically abutting against the limiting plate and the right side of the partition, respectively. A second through hole is provided in the front-rear direction of the first water storage channel, with the front end of the second through hole near the left side of the partition. The prestressing mechanism also includes a relay rod penetrating the second through hole and distributed front-rear. The front end of the relay rod enters the first water storage channel along the second through hole, and the rear end of the relay rod is provided with a plug that can block or be removed from the rear end of the second through hole. At the corner connection between the right end of the first water storage channel and the second through hole, a connection is provided with the first through hole... The support wheel with holes on the same straight line, the left end of the rubber push rod passes through the first through hole into the first water storage channel and abuts against the support wheel, the prestressing mechanism also includes a rotating seat above the water storage side of the gate pier body, a rotating rod is rotated in the rotating seat, a slurry plate that can rotate up and down is installed on the rotating rod, a steel wire is connected between the slurry plate and the right end of the rubber push rod, the slurry plate is set upward, when the bottom surface of the slurry plate is impacted by the water flow and rotates upward under the drive of the rotating rod, when the slurry plate rotates upward, it can also push the rubber push rod to the left by dragging the steel wire to the left, and the left end of the rubber push rod bends into the second through hole under the limiting action of the support wheel, and pushes the relay rod to move backward along the second through hole.

[0008] As a further preferred embodiment, a plurality of second through holes are provided along the length of the first water storage channel, and a plurality of first cavities are provided on the back of the gate pier body. Each first cavity is connected to the rear end of each second through hole, and a corresponding plug seat is provided in each first cavity. All the plug seats are connected together by a connecting plate.

[0009] As a further preferred embodiment, a plurality of second through holes are provided along the length of the second water storage channel, and a plurality of second recessed cavities are provided on the back of the gate pier body. Each second recessed cavity overlaps and extends through the rear end of each second through hole. A corresponding plug seat is provided in each first recessed cavity, and all the plug seats are connected together by a connecting plate.

[0010] As a further preferred embodiment, the diameter of the first spring is smaller than the width of the second water storage channel, so that there is a gap between the front end of the second through hole in the second water storage channel and the outer wall of the first spring.

[0011] As a further preferred embodiment, a steel pipe is cast above the water storage side of the gate pier body, located below the rotating seat. The steel pipe is located above the rubber push rod, with one end of the steel pipe extending to the right end of the rubber push rod and the other end of the steel pipe extending to the slurry plate.

[0012] As a further preferred embodiment, each of the first recessed cavity and each of the second recessed cavities is filled with a second spring, the free end of the second spring extending rearward and connecting to the front side of the plug seat.

[0013] As a further preferred embodiment, the back surface of the gate pier body is provided with a water channel that gradually slopes downward toward the gate, and the top of the water channel extends slopingly to below the first settling cavity.

[0014] As a further preferred embodiment, an auxiliary wheel is mounted on the lower front side of the gate via a rotating shaft. The auxiliary wheel is a rubber wheel with an annular groove. The outer circular surface of the auxiliary wheel rolls in contact with the right end face of the gate pier body. The right end of the rubber push rod extends beyond the right end of the gate pier body and reaches at least to the radius of the auxiliary wheel.

[0015] A construction method for a gate pier structure includes the following construction steps:

[0016] Step S1: Cast the gate pier body. Cast a large number of horizontal and vertical intersecting steel bars into the gate pier body. The bottom of the vertically distributed steel bars extends beyond the bottom surface of the gate pier body, and one end of the horizontal steel bars extends beyond the side of the gate pier body. The side of the steel bars that extends beyond the pier body is cast together with the dam during the casting process, and the bottom of the steel bars that extends beyond the dam body is cast together with the foundation during the dam casting process.

[0017] Step S2: During the pouring of Step S1, place a round pipe at the position of the first water storage channel, place a round pipe at the position of the second water storage channel, and place round pipes in all the second through holes. After the gate pier body is poured, remove each round pipe from the first water storage channel, the second water storage channel, and the second through holes.

[0018] Step S3: Along the front end of the first and second water storage channels obtained during the pouring in step S2, a channel communicating with the water storage side is opened by a grooving machine, and finally the first and second water storage channels with the water storage surface are obtained on the gate pier body.

[0019] The advantages of this invention compared to the prior art are:

[0020] A slurry plate is installed on the water storage side of the gate pier body, and numerous second through holes are opened on the gate pier body. When the water level on the water storage side of the gate pier body reaches the bottom of the slurry plate, the water surface ripples and sways on the bottom surface of the slurry plate, causing the slurry plate to rotate upward. As the slurry plate rotates upward, it pulls the steel wire upward, which in turn pulls the rubber push rod to the left. The first spring is compressed and shortened under the pressure of the limiting plate, storing elastic force. The left end of the rubber push rod then automatically pushes against the support wheel. After being blocked by the support wheel, the left end of the rubber push rod bends backward along the second through hole. While bending backward, it pushes the relay rod to open the plug seat on the rear side of the gate pier body from the recessed cavity at the rear end of the second through hole, thus completing the water pressure release. Therefore, in order to automatically activate the plug seat and release the water pressure on the water storage side when there is a large amount of water or high water pressure on the water storage side of the gate pier body, the upward rotation of the slurry plate caused by the ripples on the water surface is used to achieve automatic protection of the gate pier body and improve its strength. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a prestressed gate pier structure from a frontal view, provided for an embodiment of the present invention. Mechanisms such as the slurry plate are omitted in the figure.

[0022] Figure 2 This is a schematic diagram of a prestressed gate pier structure from the left side view, provided for an embodiment of the present invention. The grout plate and other mechanisms are omitted in the figure.

[0023] Figure 3 An enlarged structural diagram of part A of a prestressed gate pier structure provided for an embodiment of the present invention;

[0024] Figure 4 A schematic diagram of a prestressed gate pier structure from the rear view, provided for an embodiment of the present invention;

[0025] Figure 5 A schematic diagram of a prestressed gate pier structure from a frontal view, provided for an embodiment of the present invention;

[0026] Figure 6 A schematic diagram of the front view of a prestressed gate pier structure provided for an embodiment of the present invention;

[0027] Figure 7 A prestressed gate pier structure provided for embodiments of the present invention is composed of Figure 6 A schematic diagram of the structure when section B is cut open.

[0028] In the diagram: 1. Gate pier body; 2. Gate track; 3. Gate; 4. Prestressed mechanism; 41. Rubber push rod; 42. Limiting plate; 43. First spring; 44. Relay rod; 45. Rotary seat; 46. Rotating rod; 47. Paddle plate; 48. Steel wire; 49. Plug seat; 5. First water storage channel; 51. Second through hole; 52. First submerged cavity; 53. Second submerged cavity; 6. Second water storage channel; 7. Separator; 8. First through hole; 9. Support wheel; 10. Steel pipe; 11. Second spring; 12. Water channel; 13. Auxiliary wheel. Detailed Implementation

[0029] The above and other embodiments and advantages of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0030] In one implementation, such as Figures 1-7 As shown:

[0031] This embodiment provides a prestressed gate pier structure, including a gate pier body 1, a gate track 2 opened vertically on the right side of the gate pier body 1, a gate 3 slidably installed in the gate track 2 and capable of lifting and lowering, and a prestressing mechanism 4 installed on the water storage side of the gate pier body 1.

[0032] A first water storage channel 5 is provided on the top left side of the water storage side of the gate pier body 1, and a second water storage channel 6 is provided on the top right side of the water storage side of the gate pier body 1, which is on the same left-right straight line as the first water storage channel 5. A partition 7 is provided between the first water storage channel 5 and the second water storage channel 6. The left end of the first water storage channel 5 is directly connected to the left side of the gate pier body 1, and the right end of the second water storage channel 6 is directly connected to the right side of the gate pier body 1. The partition 7 is provided with a first through hole 8 at the left and right ends, which are respectively connected to the first water storage channel 5 and the second water storage channel 6.

[0033] The prestressing mechanism 4 includes a rubber push rod 41 horizontally placed in the second water storage channel 6, a limiting plate 42 fixed to the right end of the rubber push rod 41, and a first spring 43 sleeved on the rubber push rod 41, with its left and right ends elastically abutting against the limiting plate 42 and the right side of the partition 7, respectively. A second through hole 51 is provided in the front-rear direction of the first water storage channel 5. The front end of the second through hole 51 is close to the left side of the partition 7. The prestressing mechanism 4 also includes a relay rod 44 that passes through the second through hole 51 and is distributed front-rear. The front end of the relay rod 44 enters the first water storage channel 5 along the second through hole 51. The rear end of the relay rod 44 is provided with a plug seat 49 that can block or remove the rear end of the second through hole 51. At the corner connection between the right end of the first water storage channel 5 and the second through hole 51, a support wheel 9 is provided, which is on the same straight line as the first through hole 8. The left end of the rubber push rod 41 passes through the first through hole 8 and enters... The first water storage channel 5 is inside and abuts against the support wheel 9. It can be seen that when a pushing force is applied to the right end of the rubber push rod 41 and the rubber push rod 41 is pushed to the left, the left end of the rubber push rod 41 is blocked by the support wheel 9 and bends backward along the second through hole 51. As the rubber push rod 41 continues to advance, it pushes against the relay rod 44 and moves backward. At the same time, the relay rod 44 moves backward and removes the plug seat 49 at the rear end of the second through hole 51. At this time, the rear end of the second through hole 51 is opened, that is, both the front and rear ends of the second through hole 51 are opened, so that the water stored on the water storage side of the gate pier body 1 is discharged to the water outlet side through the second through hole 51. It can be seen that when the water storage volume on the water storage side is large or the water pressure is large, in order to release the water pressure of the gate pier body 1 and prevent its concrete layer from falling off or partially cracking, the water pressure can be reduced and its service strength can be improved by opening the second through hole 51.

[0034] like Figure 5As shown, to automate the above functions, the prestressing mechanism 4 also includes a rotating seat 45 above the water storage side of the gate pier body 1. A rotating rod 46 is connected inside the rotating seat 45, and a slurry plate 47 capable of rotating up and down is installed on the rotating rod 46. A steel wire 48 is connected between the slurry plate 47 and the right end of the rubber push rod 41. The slurry plate 47 is set upward. When the water level on the water storage side of the gate pier body 1 reaches the bottom of the slurry plate 47, the water surface will ripple on the bottom surface of the slurry plate 47 as the water ripples, causing the slurry plate 47 to rotate upward. When the paddle plate 47 rotates upward, it pulls the steel wire 48 upward. The steel wire 48 pulls the rubber push rod 41 to the left. The first spring 43 is compressed and shortened under the pressure of the limiting plate 42 and stores elastic force. The left end of the rubber push rod 41 will automatically push against the support wheel 9. After being blocked by the support wheel 9, the left end of the rubber push rod 41 bends backward along the second through hole 51. While bending backward, it pushes the relay rod 44 to open the plug seat 49 on the rear side of the gate pier body 1 from the rear cavity of the second through hole 51, thus completing the water pressure relief. It can be seen that in order to automatically activate the plug seat 49 to automatically open when there is a large amount of water or high water pressure on the water storage side of the gate pier body 1, the water surface ripples and the paddle plate 47 rotates upward, so as to release the water pressure on the water storage side and achieve the purpose of automatic protection of the gate pier body 1.

[0035] like Figure 2 , Figure 3 , Figure 4 as well as Figure 7As shown, several equidistant second through holes 51 are provided along the length of the first water storage channel 5. Several first recessed cavities 52 are provided on the back of the gate pier body 1. Each first recessed cavity 52 is connected to the rear end of each second through hole 51. A corresponding plug seat 49 is provided in each first recessed cavity 52. ​​All plug seats 49 are connected together by connecting plates during actual assembly. Several equidistant second through holes 51 are provided along the length of the second water storage channel 6. Several second recessed cavities 53 are provided on the back of the gate pier body 1. Each second recessed cavity 53 is connected to the rear end of each second through hole 51. A corresponding plug seat 49 is provided in each first recessed cavity 52. ​​All plug seats 49 are connected together by connecting plates. In summary, a large number of second through holes 51 are opened on the same gate pier body 1. Correspondingly, a first recess 52 and a second recess 53 for installing plug seats 49 are opened on the rear side of these second through holes 51. This makes the gate pier body 1 form a structure for water flow pressure relief. When the left end of the rubber push rod 41 enters one of the second through holes 51 and pushes the relay rod 44 in the second through hole 51 backward, the relay rod 44 not only directly participates in opening the plug seat 49 on the rear side of the second through hole 51 backward, but also, under the action of the plug seat 49, opens all the plug seats 49 backward through the connecting plate. This greatly improves the water flow pressure relief efficiency on the water storage side, improves the gate pier body 1's ability to resist high water pressure, and greatly enhances its self-pressure relief and self-structural protection capabilities.

[0036] The diameter of the first spring 43 is smaller than the width of the second water storage channel 6, so that there is a gap between the front end of the second through hole 51 opened on the second water storage channel 6 and the outer wall of the first spring 43, so that the presence of the first spring 43 will not affect the normal pressure relief and discharge action of the second through hole 51 in the second water storage channel 6 on the water storage side.

[0037] In this embodiment, such as Figure 4As shown, each first recessed cavity 52 and each second recessed cavity 53 is filled with a second spring 11. The free end of the second spring 11 extends backward and is connected to the front side of the plug seat 49. The second spring 11 is used to elastically connect the plug seat 49 to the first recessed cavity 52 and the second recessed cavity 53. That is, when the relay rod 44 is pushed by the rubber push rod 41 and opens backward from the first recessed cavity 52 and the second recessed cavity 53, and opens all the second through holes 51 for water discharge, the second spring 11 will open backward with the plug seat 49 and be elastically stretched. However, in this embodiment, since the water ripple effect is intermittent and indefinite, the water ripple only acts on the paddle plate 47 intermittently. The upward rotation of the paddle plate 47, triggered by the impact, ultimately causes the stopper 49 to complete the aforementioned opening action. Therefore, when the water ripple effect leaves the paddle plate 47, the paddle plate 47 will rotate downwards to reset, the first spring 43 will release its length, and by pushing the limiting plate 42 to reset, the rubber push rod 41 will be pushed to the right. The portion of the left end of the rubber push rod 41 that is bent into the second through hole 51 will move towards the water storage side and be straightened again. At the same time, the left end of the rubber push rod 41 will no longer be aligned with the second through hole 51. The relay rod 44 in the through hole 51 provides thrust, that is, the rear end of the relay rod 44 no longer provides thrust to the plug seat 49. At this time, the second spring 11, which is stretched due to the rearward opening of the plug seat 49, will rebound and shorten. At the same time as it rebounds and shortens, it pulls the plug seat 49 back into the first sinker 52 and the second sinker 53. Water continues to be stored on the water storage side. When the water volume exceeds the slurry plate 47 again and the slurry plate 47 is triggered to rotate upward again due to the water ripple effect, the above action is repeated, so that all the plug seats 49 open again, completing the water discharge and reducing the strength impact of high pressure water on the gate pier body 1 again, so that the gate pier body 1 can automatically complete the strength protection again.

[0038] like Figure 4 As shown, a water channel 12 is provided on the back surface of the gate pier body 1, which gradually slopes downward toward the gate 3. The top of the water channel 12 extends downward to the bottom of the first sinkhole 52. The water channel 12 is designed to collect the water flowing out of all the second through holes 51 to the vicinity of the gate 3. When the gate 3 is opened to carry out large-scale flood discharge, the water discharged between the second through holes 51 and the gate is collected and discharged in a unified manner. The structure is reasonable.

[0039] In another implementation, such as Figure 1 , Figure 5 as well as Figure 6As shown, an auxiliary wheel 13 is mounted on the lower front side of the gate 3 via a rotating shaft. The auxiliary wheel 13 is a rubber wheel with an annular groove. The outer circular surface of the auxiliary wheel 13 rolls in contact with the right end face of the gate pier body 1. The right end of the rubber push rod 41 extends beyond the right end of the gate pier body 1 and reaches at least to the radius of the auxiliary wheel 13. When the gate 3 opens upward along the gate track, it will rise along with the auxiliary wheel 13. As the auxiliary wheel 13 rises, it rolls smoothly along the right end of the gate pier body 1. When the gate 3 opens to the maximum position, the top of the auxiliary wheel 13 will hit the right end of the rubber push rod 41. The outer circle of the auxiliary wheel 13 will press against the right end of the rubber push rod 41, which will also cause the rubber push rod 41 to move to the left. This will cause the left end of the rubber push rod 41 to be pushed to the left onto the support wheel 9. After being blocked by the support wheel 9, it will bend into the second through hole 51. This will also cause the rubber push rod 41 to bend in the second through hole 51 and push against the relay rod 44, pushing the relay rod 44 to move backward and opening all the plug seats 49 from the rear side of the second through hole 51. That is, when the gate 3 is opened to discharge water from the storage side over a large area (opening the gate to release water), the water can be discharged from multiple directions under the opening action of the gate 3, which will speed up the discharge speed.

[0040] It is worth noting that, in actual construction, the gate pier body 1 described in this invention consists of two locations, left and right. Correspondingly, all the components and structures of this invention are provided on the two gate pier bodies 1. The gate 3 is installed between the two gate pier bodies 1 via the gate track 2 on the opposite surfaces of the two gate pier bodies 1. Since there are two gate pier bodies 1 after casting, and they are symmetrically arranged, this invention can be described using only one gate pier body 1. Furthermore, the device for controlling the opening and closing of the gate 3 is existing technology, such as motor drive, and will not be described in detail here.

[0041] The above orientation references do not represent the specific orientations of each component in this implementation scheme. This implementation scheme is only for the convenience of describing the scheme and to make relative descriptions based on the orientations of the references. In reality, the specific orientations of each component are based on their actual installation and use, as well as the orientation descriptions that are customary to those skilled in the art. This is hereby stated.

[0042] The specific embodiments described above further illustrate the inventive purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above descriptions are merely specific embodiments of the present invention and are not intended to limit the scope of protection of the present invention. In particular, it should be noted that any modifications, equivalent substitutions, or improvements made by those skilled in the art within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A prestressed gate pier structure, characterized in that, It includes a gate pier body (1), a gate track (2) opened vertically on the right side of the gate pier body (1), a gate (3) slidably installed in the gate track (2) and capable of lifting and lowering, and a prestressed mechanism (4) installed on the water storage side of the gate pier body (1). A first water storage channel (5) is provided on the top left side of the water storage side of the gate pier body (1), and a second water storage channel (6) is provided on the top right side of the water storage side of the gate pier body (1) along the same left-right straight line as the first water storage channel (5). A partition (7) is provided between the first water storage channel (5) and the second water storage channel (6). The left end of the first water storage channel (5) is directly connected to the left side of the gate pier body (1), and the right end of the second water storage channel (6) is directly connected to the right side of the gate pier body (1). The partition (7) is provided with a first through hole (8) with the left and right ends respectively connected to the first water storage channel (5) and the second water storage channel (6). The prestressing mechanism (4) includes a rubber push rod (41) horizontally placed in the second water storage channel (6), a limiting plate (42) fixed to the right end of the rubber push rod (41), and a first spring (43) sleeved on the rubber push rod (41) with its left and right ends elastically abutting against the limiting plate (42) and the right side of the partition (7), respectively. A second through hole (51) is provided in the front-back direction of the first water storage channel (5), and the front end of the second through hole (51) is close to the left side of the partition (7). The prestressing mechanism (4) further includes a relay rod (44) that passes through the second through hole (51) and is distributed front to back. The front end of the relay rod (44) enters the first water storage channel (5) along the second through hole (51). The rear end of the relay rod (44) is provided with a plug seat (49) that can block the rear end of the second through hole (51) or be removed from the rear end of the second through hole (51). At the corner where the right end of the first water storage channel (5) connects to the second through hole (51), there is a connection with the first through hole (8). The support wheel (9) is on the same straight line. The left end of the rubber push rod (41) passes through the first through hole (8) and enters the first water storage channel (5) and abuts against the support wheel (9). The prestressing mechanism (4) also includes a rotating seat (45) above the water storage side of the gate pier body (1). A rotating rod (46) is rotated in the rotating seat (45). A slurry plate (47) that can rotate up and down is installed on the rotating rod (46). A steel wire is connected between the slurry plate (47) and the right end of the rubber push rod (41). 48) The paddle plate (47) is raised. When the bottom surface of the paddle plate (47) is impacted by the water flow and rotates upward under the drive of the rotating rod (46), the paddle plate (47) can also push the rubber push rod (41) to the left by dragging the steel wire (48) to move to the left. The left end of the rubber push rod (41) is bent into the second through hole (51) under the limiting action of the support wheel (9), and pushes the relay rod (44) to move backward along the second through hole (51).

2. The prestressed gate pier structure according to claim 1, characterized in that, A number of second through holes (51) are provided along the length of the first water storage channel (5). A number of first recessed cavities (52) are provided on the back of the gate pier body (1). Each first recessed cavity (52) is connected to the rear end of each second through hole (51). Each first recessed cavity (52) is provided with a corresponding plug seat (49). All the plug seats (49) are connected together by a connecting plate.

3. A prestressed gate pier structure according to claim 2, characterized in that, A number of second through holes (51) are provided along the length of the second water storage channel (6). A number of second sink cavities (53) are provided on the back of the gate pier body (1). Each second sink cavity (53) is connected to the rear end of each second through hole (51). Each first sink cavity (52) is provided with a corresponding plug seat (49). All the plug seats (49) are connected together by a connecting plate.

4. A prestressed gate pier structure according to claim 3, characterized in that, The diameter of the first spring (43) is smaller than the width of the second water storage channel (6), so that there is a gap between the front end of the second through hole (51) opened on the second water storage channel (6) and the outer wall of the first spring (43).

5. A prestressed gate pier structure according to claim 4, characterized in that, A steel pipe (10) located below the rotating seat (45) is cast above the water storage side of the gate pier body (1). The steel pipe (10) is located above the rubber push rod (41). One end of the steel pipe (10) extends to the right end of the rubber push rod (41), and the other end of the steel pipe (10) extends to the slurry plate (47).

6. A prestressed gate pier structure according to claim 5, characterized in that, Each of the first recessed cavity (52) and each of the second recessed cavities (53) is filled with a second spring (11), the free end of which extends rearward and is connected to the front side of the plug seat (49).

7. A prestressed gate pier structure according to claim 6, characterized in that, The back surface of the gate pier body (1) is provided with a water channel (12) that gradually slopes downward toward the gate (3), and the top of the water channel (12) extends inclined to the bottom of the first sink cavity (52).

8. A prestressed gate pier structure according to claim 7, characterized in that, An auxiliary wheel (13) is mounted on the lower front side of the gate (3) via a rotating shaft. The auxiliary wheel (13) is a rubber wheel with an annular groove. The outer circular surface of the auxiliary wheel (13) rolls in contact with the right end face of the gate pier body (1). The right end of the rubber push rod (41) extends beyond the right end of the gate pier body (1) and reaches at least the radius of the auxiliary wheel (13).

9. A construction method for a gate pier structure, the construction method being adapted to the prestressed gate pier structure as described in claim 1, characterized in that, The construction steps include the following: Step S1: Cast the gate pier body (1). Cast a large number of horizontal and vertical intersecting steel bars in the gate pier body (1). The bottom of the vertically distributed steel bars extends beyond the bottom surface of the gate pier body (1), and one end of the horizontal steel bars extends beyond the side of the gate pier body (1). The side of the steel bars that extends beyond the bottom surface is cast together with the dam during casting, and the bottom of the steel bars that extends beyond the bottom surface is cast together with the foundation during dam casting. Step S2: During the pouring of Step S1, place a round pipe at the position of the first water storage channel (5), place a round pipe at the position of the second water storage channel (6), and place round pipes in all the second through holes (51). After the gate pier body (1) is poured, pull out each round pipe from the first water storage channel (5), the second water storage channel (6), and the second through hole (51): Step S3: Along the front end of the first water storage channel (5) and the second water storage channel (6) obtained during the pouring in step S2, a channel communicating with the water storage side is opened by a grooving machine, and finally the first water storage channel (5) and the second water storage channel (6) connected to the water storage surface are obtained on the gate pier body (1).

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