A retaining wall for water conservancy projects and its construction method

Abstract

The present invention relates to the technical field related to retaining walls for water conservancy projects, and specifically relates to a retaining wall for water conservancy projects and its construction method, which includes a retaining wall main body, a buffer plate and a buffer spring. A rectangular groove is formed on the inclined surface of the retaining wall main body, and a connecting groove is formed at the bottom of the rectangular groove. The buffer plate is arranged corresponding to the rectangular groove. The outer end of the buffer spring is fixedly connected to the inner end surface of the buffer plate, and the inner end of the buffer spring is connected to the bottom of the rectangular groove; through the blocking effect of the buffer plate and the buffering and force-relieving effect of the buffer spring, the impact force of the water body in the river channel is prevented from directly acting on the retaining wall main body, thereby avoiding direct damage to the retaining wall main body. The detachable installation of the buffer plate also allows for disassembly and replacement after the buffer plate is damaged by the impact of the waves. The buffering effect of the buffer spring can also prevent the direct acting force on the buffer plate from being too large, thereby better protecting the buffer plate and effectively improving its service life.

Description

Technical Field

[0001] The present invention relates to the technical field related to retaining walls for water conservancy projects, and in particular to a retaining wall for water conservancy projects and a construction method thereof. Background Art

[0002] Water conservancy engineering mainly studies the basic knowledge and skills in engineering hydrology, water conservancy engineering surveying, water conservancy reinforced concrete, hydraulic structures, engineering drawing, etc. In order to prevent soil erosion, retaining walls are set up at the edge of the waterway for protection;

[0003] The existing Chinese patent document with announcement number CN109440723B discloses a water conservancy project retaining wall and its construction method, the scheme includes a foundation, a vertically cast concrete wall located on the foundation, and a concrete wall integrally cast on the side of the concrete wall away from the water body, the back surface of the concrete wall is arranged in an inclined surface, a sand and gravel layer, a fill layer and a planting layer are laid on the back surface of the concrete wall, a water guide trough is opened on the top of the concrete wall along its length direction, a grating plate is erected on the opening surface of the water guide trough, a drainage pipe is laid on the back surface of the concrete wall between the sand and gravel layer and the concrete wall, one end of the drainage pipe is connected to the side wall of the water guide trough away from the water body, the other end of the drainage pipe is located on the ground at the lower end of the back surface of the concrete wall and is connected to a water reservoir, and a water diversion pipe is connected in the water reservoir;

[0004] However, the above-mentioned retaining wall is only a simple concrete wall, which cannot effectively unload the scouring force of the waves, resulting in the waves acting directly and completely on the concrete wall, which makes the retaining wall easily damaged. The concrete wall is more troublesome to repair, which makes the concrete wall more time-consuming and labor-intensive to maintain in the later stage. Therefore, the present invention proposes a retaining wall for water conservancy projects and a construction method thereof to solve the above-mentioned problems. Summary of the Invention

[0005] The object of the present invention is to provide a retaining wall for water conservancy projects and a construction method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a retaining wall for a water conservancy project, comprising:

[0007] A retaining wall body, wherein a rectangular groove is formed on the inclined surface of the retaining wall body, and a connecting groove is formed at the bottom of the rectangular groove;

[0008] a buffer plate, the buffer plate being arranged corresponding to the rectangular groove;

[0009] A buffer spring, the outer end of the buffer spring is fixedly connected to the inner end face of the buffer plate, the inner end of the buffer spring is connected to the bottom of the rectangular groove, and one buffer spring is provided at each of the four corner positions of the buffer plate;

[0010] When the buffer spring is in the reset state, there is a gap between the inner end face of the buffer plate and the inclined surface of the retaining wall main body, and the cross-sectional dimension of the buffer plate is larger than that of the rectangular groove.

[0011] Preferably, when the buffer plates are actually installed, there is a gap between adjacent buffer plates. The buffer plates are made of hard steel plates, and the surfaces of the buffer plates and the buffer springs are both treated with rust prevention.

[0012] Preferably, drain holes are formed through the buffer plate. A plurality of groups of drain holes are evenly formed on the buffer plate. The drain holes are frustum-shaped cavities, and the large-hole ends of the drain holes are arranged towards the direction of the rectangular groove.

[0013] Preferably, side mounting seats are fixedly welded at the four side edge positions of the inner side surface of the buffer plate. Mounting grooves are formed on the outer sides of the side mounting seats. Elastic support members are fixedly connected to the bottoms of the mounting grooves. Pulley seats are fixedly installed on the outer end faces of the elastic support members. Guide pulleys are rotatably installed on the pulley seats. When the buffer plate is actually installed, the wheel bodies of the guide pulleys are abutted against the side edges of the rectangular groove, and at this time, the elastic support members in four directions on the buffer plate are all in a compressed state.

[0014] Preferably, the inner side surface of the buffer plate is connected to the bottom of the rectangular groove through a movable connecting member. A connecting column is fixedly welded at the central position of the inner side surface of the buffer plate. A rotating ball is integrally formed at the end of the connecting column. A connecting plate is embedded at the bottom of the connecting groove. The movable connecting member includes a lower connecting seat and an upper connecting seat. A lower spherical groove is formed in the lower connecting seat. An upper spherical groove is formed in the upper connecting seat. A connecting column groove is formed through the bottom of the upper spherical groove. The lower connecting seat is fixedly connected to the connecting plate. The upper connecting seat is fixedly connected to the lower connecting seat. When the buffer plate is actually installed, the connecting column passes through the connecting column groove, and the rotating ball is movably arranged between the lower spherical groove and the upper spherical groove.

[0015] Preferably, a reinforcing column is integrally formed on the inner end face of the connecting plate. A reinforcing annular plate is integrally formed on the side wall of the reinforcing column. The reinforcing column and the reinforcing annular plate are both embedded in the concrete wall body of the retaining wall main body.

[0016] Preferably, threaded holes are formed in the connecting plate, first-level bolt holes are formed in the lower connecting seat, second-level bolt holes are formed in the upper connecting seat, and third-level bolt holes are formed in the buffer plate. The threaded holes, first-level bolt holes, second-level bolt holes, and third-level bolt holes are correspondingly arranged, and the lower connecting seat and the upper connecting seat are both fixed to the connecting plate by positioning bolts.

[0017] Preferably, a first alignment groove is formed in the outer end face of the connecting plate, a first alignment seat is integrally formed on the inner end face of the lower connecting seat, a second alignment groove is formed in the outer end face of the lower connecting seat, a second alignment seat is integrally formed on the inner end face of the upper connecting seat. The first alignment groove and the first alignment seat are correspondingly arranged, and the second alignment groove and the second alignment seat are correspondingly arranged. When the lower connecting seat and the upper connecting seat are actually installed, the first alignment seat is embedded in the first alignment groove, and the second alignment seat is embedded in the second alignment groove.

[0018] Preferably, the upper connecting seat is composed of a first seat body and a second seat body, and the first seat body and the second seat body are symmetrically arranged. The positioning bolt is an internal hexagonal bolt, and an external thread structure is formed on the nut of the positioning bolt. An internal thread structure is formed on the side wall of the third-level bolt hole, and the external thread structure and the internal thread structure are matched with each other. An anti-slip groove is formed on the side wall of the second-level bolt hole, and an anti-slip rubber ring is fixedly embedded in the anti-slip groove. When the positioning bolt passes through the second-level bolt hole, the frictional force between the anti-slip rubber ring and the positioning bolt is greater than the gravity of the first seat body.

[0019] A construction method for a retaining wall used in a water conservancy project, which is used to construct the above-mentioned retaining wall for a water conservancy project. The construction method is as follows: First, embed the connecting plate in the retaining wall main body, then embed the first alignment seat on the lower connecting seat in the first alignment groove on the connecting plate, then sleeved the first seat body and the second seat body on the screw rod of the positioning bolt, then screw the nut of the positioning bolt into the third-level bolt hole and ensure that the first seat body and the second seat body are located above the rotating ball, then hoist the buffer plate to the designated position by a hoisting device, then screw and install the positioning bolt to make the nut of the positioning bolt disengage from the third-level bolt hole, then let the positioning bolt pass through the first-level bolt hole, and finally screw it into the threaded hole to synchronously position the lower connecting seat and the upper connecting seat.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. By providing a retaining wall for a water conservancy project composed of a retaining wall body, a buffer plate, and a buffer spring, the buffer plate's blocking effect and the buffer spring's force-relieving effect prevent the impact force of water in the river from directly acting on the retaining wall body, thereby preventing direct damage to the retaining wall body. The removable installation of the buffer plate also allows the buffer plate to be removed and replaced after being damaged by the impact of waves. The buffering effect of the buffer spring also prevents the buffer plate from being subjected to excessive direct force, thereby better protecting the buffer plate and effectively increasing its service life.

[0022] 2. By leaving gaps between adjacent buffer plates and opening drainage holes through the buffer plates, it is effectively prevented that the water inside the buffer plates is subjected to a large squeezing force, and the water inside the buffer plates cannot be discharged, causing the buffer plates to be subjected to excessive force and deformed and damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 A half-section view of the present invention;

[0025] Figure 3 for Figure 2 A schematic diagram of the structure at center A;

[0026] Figure 4 This is a schematic diagram of the main structure of the retaining wall of the present invention;

[0027] Figure 5 This is a schematic diagram of the inner structure of the buffer plate of the present invention;

[0028] Figure 6 A half-sectional view of a buffer plate of the present invention;

[0029] Figure 7 for Figure 6 A magnified schematic diagram of the structure at point B in the middle;

[0030] Figure 8 This is a schematic diagram of the connecting plate structure of the present invention;

[0031] Figure 9 This is a schematic diagram of the outer structure of the lower connecting seat of the present invention;

[0032] Figure 10 This is a schematic diagram of the inner structure of the lower connecting seat of the present invention;

[0033] Figure 11 This is a schematic diagram of the upper connecting seat structure of the present invention;

[0034] Figure 12 This is a schematic diagram of the first seat structure of the present invention;

[0035] Figure 13 This is a schematic diagram of the positioning bolt structure of the present invention.

[0036] In the figure: retaining wall main body 1, buffer plate 2, buffer spring 3, rectangular groove 4, connection groove 5, connecting plate 6, lower connecting seat 7, upper connecting seat 8, connecting column 9, rotating ball 10, reinforcing column 11, reinforcing annular plate 12, lower spherical groove 13, first-level bolt hole 14, upper spherical groove 15, connecting column groove 16, second-level bolt hole 17, first seat body 18, second seat body 19, positioning bolt 20, first alignment groove 21, first alignment seat 22, second alignment groove 23, second alignment seat 24, third-level bolt hole 25, drain hole 26, mounting seat 27, mounting groove 28, elastic support member 29, pulley seat 30, guiding pulley 31, threaded hole 32, anti-slip rubber ring 34. Detailed implementation manners

[0037] In order to clearly and completely describe the objectives, technical solutions of the present invention and make the advantages more clearly understood, the following further details the embodiments of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are merely used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] Please refer to Figures 1 - 13 , the present invention provides embodiments of the following three preferred solutions:

[0039] Embodiment 1. A retaining wall for a water conservancy project includes a retaining wall main body 1, a buffer plate 2 and a buffer spring 3. A rectangular groove 4 is formed on the inclined surface of the retaining wall main body 1, and a connecting groove 5 is formed at the bottom of the rectangular groove 4. The buffer plate 2 is arranged corresponding to the rectangular groove 4. The outer end of the buffer spring 3 is fixedly connected to the inner end surface of the buffer plate 2, and the inner end of the buffer spring 3 is connected to the bottom of the rectangular groove 4. One buffer spring 3 is arranged at each of the four corner positions of the buffer plate 2. When the buffer spring 3 is in the reset state, there is a gap between the inner end surface of the buffer plate 2 and the inclined surface of the retaining wall main body 1, and the cross-sectional dimension of the buffer plate 2 is larger than that of the rectangular groove 4. By providing a retaining wall for a water conservancy project composed of the retaining wall main body 1, the buffer plate 2 and the buffer spring 3, the impact force of the water body in the river channel can be prevented from directly acting on the retaining wall main body 1 through the blocking effect of the buffer plate 2 and the buffering and force-dissipating effect of the buffer spring 3, so as to avoid direct damage to the retaining wall main body 1. The detachable installation of the buffer plate 2 can also be disassembled and replaced after the buffer plate 2 is damaged by the impact of the waves. The buffering effect of the buffer spring 3 can also prevent the direct acting force on the buffer plate 2 from being too large, so as to better protect the buffer plate 2 and effectively improve its service life.

[0040] Embodiment 2. On the basis of Embodiment 1, when the buffer plate 2 is actually installed, there is a gap between adjacent buffer plates 2. The buffer plate 2 is a hard steel plate, and the surfaces of the buffer plate 2 and the buffer spring 3 are both treated with rust prevention.

[0041] Drainage holes 26 are formed through the buffer plate 2. A plurality of groups of drainage holes 26 are evenly formed on the buffer plate 2. The drainage holes 26 are frustum-shaped cavities, and the large-hole ends of the drainage holes 26 are arranged facing the direction of the rectangular groove 4. By leaving a gap between adjacent buffer plates 2 and forming drainage holes 26 through the buffer plate 2, the water body inside the buffer plate 2 can be effectively prevented from being subjected to a large extrusion force, and the buffer plate 2 will not be deformed and damaged due to the inability of the water body inside the buffer plate 2 to be discharged.

[0042] At the positions of the four side edges of the inner side surface of the buffer plate 2, side mounting seats 27 are fixedly welded. Installation grooves 28 are formed on the outer sides of the side mounting seats 27. An elastic support member 29 is fixedly connected to the bottom of the installation groove 28. A pulley seat 30 is fixedly installed on the outer end surface of the elastic support member 29. A guiding pulley 31 is rotatably installed on the pulley seat 30. When the buffer plate 2 is actually installed, the wheel body of the guiding pulley 31 is arranged in contact with the side of the rectangular groove 4. At this time, the elastic support members 29 in four directions on the buffer plate 2 are all in a compressed state. Through the arrangement of the elastic support member 29, the pulley seat 30, and the guiding pulley 31, it is possible to prevent the buffer plates 2 from colliding and being damaged due to a large acting force, and it can also effectively reduce the contact wear between the buffer plate 2 and the retaining wall main body 1.

[0043] Embodiment 3: On the basis of Embodiment 2, the inner side surface of the buffer plate 2 is connected to the bottom of the rectangular groove 4 through a movable connecting member. A connecting column 9 is fixedly welded at the central position of the inner side surface of the buffer plate 2. A rotating ball 10 is integrally formed at the end of the connecting column 9. A connecting plate 6 is embedded in the bottom of the connecting groove 5. The movable connecting member includes a lower connecting seat 7 and an upper connecting seat 8. A lower spherical groove 13 is formed in the lower connecting seat 7. An upper spherical groove 15 is formed in the upper connecting seat 8. A connecting column groove 16 is formed through the bottom of the upper spherical groove 15. The lower connecting seat 7 is fixedly connected to the connecting plate 6. The upper connecting seat 8 is fixedly connected to the lower connecting seat 7. When the buffer plate 2 is actually installed, the connecting column 9 passes through the connecting column groove 16, and the rotating ball 10 is movably arranged between the lower spherical groove 13 and the upper spherical groove 15.

[0044] A reinforcing column 11 is integrally formed on the inner end surface of the connecting plate 6. A reinforcing annular plate 12 is integrally formed on the side wall of the reinforcing column 11. The reinforcing column 11 and the reinforcing annular plate 12 are both embedded in the concrete wall body of the retaining wall main body 1.

[0045] A threaded hole 32 is formed in the connecting plate 6. A first-level bolt hole 14 is formed in the lower connecting seat 7. A second-level bolt hole 17 is formed in the upper connecting seat 8. A third-level bolt hole 25 is formed in the buffer plate 2. The threaded hole 32, the first-level bolt hole 14, the second-level bolt hole 17, and the third-level bolt hole 25 are correspondingly arranged. The lower connecting seat 7 and the upper connecting seat 8 are both fixed on the connecting plate 6 through positioning bolts 20. By synchronously installing the lower connecting seat 7 and the upper connecting seat 8 through the positioning bolts 20, the disassembly and assembly convenience of the lower connecting seat 7 and the upper connecting seat 8 can be effectively improved.

[0046] The outer end face of the connecting plate 6 is provided with a first alignment groove 21, the inner end face of the lower connecting seat 7 is integrally formed with a first alignment seat 22, the outer end face of the lower connecting seat 7 is provided with a second alignment groove 23, the inner end face of the upper connecting seat 8 is integrally formed with a second alignment seat 24, the first alignment groove 21 and the first alignment seat 22 are correspondingly arranged, the second alignment groove 23 and the second alignment seat 24 are correspondingly arranged, and when the lower connecting seat 7 and the upper connecting seat 8 are actually installed, the first alignment seat 22 is embedded in the first alignment groove 21, and the second alignment seat 24 is embedded in the second alignment groove 23.

[0047] The upper connecting seat 8 is composed of a first seat body 18 and a second seat body 19, and the first seat body 18 and the second seat body 19 are symmetrically arranged. The positioning bolt 20 is an inner hexagonal bolt. The nut of the positioning bolt 20 is provided with an external thread structure, and the side wall of the three-stage bolt hole 25 is provided with an internal thread structure. The external thread structure and the internal thread structure are matched with each other. The side wall of the two-stage bolt hole 17 is provided with an anti-slip groove, and an anti-slip rubber ring 34 is fixedly embedded in the anti-slip groove. When the positioning bolt 20 passes through the two-stage bolt hole 17, the friction force between the anti-slip rubber ring 34 and the positioning bolt 20 is greater than the gravity of the first seat body 18, so that the positioning bolt 20 can be installed inside the buffer plate 2, thereby preventing the water wave from causing a strong impact on the positioning bolt 20 and affecting the fastening stability of the positioning bolt 20.

[0048] A construction method for a retaining wall used in a water conservancy project. The construction method for the retaining wall used in the water conservancy project is used for constructing the above-mentioned retaining wall used in the water conservancy project. The construction method is as follows: first, the connecting plate 6 is pre-buried in the retaining wall main body 1, then the first alignment seat 22 on the lower connecting seat 7 is embedded in the first alignment groove 21 on the connecting plate 6, then the first seat body 18 and the second seat body 19 are sleeved on the screw rod of the positioning bolt 20, then the nut of the positioning bolt 20 is screwed into the three-stage bolt hole 25, and it is ensured that the first seat body 18 and the second seat body 19 are located above the rotating ball 10. Then, the buffer plate 2 is hoisted to the designated position by a hoisting device, and then the positioning bolt 20 is screwed and installed so that the nut of the positioning bolt 20 is disengaged from the three-stage bolt hole 25, and then the positioning bolt 20 passes through the first-stage bolt hole 14 and is finally screwed into the threaded hole 32 to form a synchronous positioning effect on the lower connecting seat 7 and the upper connecting seat 8.

[0049] Although the above-described illustrative specific embodiments of the present application have been described to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims, all application creations using the concept of the present application are within the scope of protection.

Claims

1. A retaining wall for water conservancy projects, characterized in that: include: A retaining wall body (1), wherein a rectangular groove (4) is formed on the inclined surface of the retaining wall body (1), and a connecting groove (5) is formed at the bottom of the rectangular groove (4); A buffer plate (2), the buffer plate (2) being arranged corresponding to the rectangular groove (4); A buffer spring (3), the outer end of the buffer spring (3) is fixedly connected to the inner end surface of the buffer plate (2), the inner end of the buffer spring (3) is connected to the bottom of the rectangular groove (4), and one buffer spring (3) is provided at each of the four corner positions of the buffer plate (2); When the buffer spring (3) is in a reset state, a gap is left between the inner end surface of the buffer plate (2) and the inclined surface of the retaining wall body (1), and the cross-sectional dimension of the buffer plate (2) is larger than the cross-sectional dimension of the rectangular groove (4); The inner side surface of the buffer plate (2) is connected to the bottom of the rectangular groove (4) through a movable connecting piece. A connecting column (9) is fixedly welded at the center position of the inner side surface of the buffer plate (2). The end of the connecting column (9) is integrally formed with a rotating ball (10). The bottom of the connecting groove (5) is pre-buried with a connecting plate (6). The movable connecting piece includes a lower connecting seat (7) and an upper connecting seat (8). The lower connecting seat (7) is provided with a lower spherical groove (13). The upper An upper spherical groove (15) is provided on the connecting seat (8), a connecting column groove (16) is provided through the bottom of the upper spherical groove (15), the lower connecting seat (7) is fixedly connected to the connecting plate (6), the upper connecting seat (8) is fixedly connected to the lower connecting seat (7), and when the buffer plate (2) is actually installed, the connecting column (9) passes through the connecting column groove (16), and the rotating ball (10) is movably arranged between the lower spherical groove (13) and the upper spherical groove (15); The inner end surface of the connecting plate (6) is integrally formed with a reinforcement column (11), and the side wall of the reinforcement column (11) is integrally formed with a reinforcement annular plate (12), and the reinforcement column (11) and the reinforcement annular plate (12) are both pre-buried in the concrete wall of the retaining wall body (1); The connecting plate (6) is provided with a threaded hole (32), the lower connecting seat (7) is provided with a first-level bolt hole (14), the upper connecting seat (8) is provided with a second-level bolt hole (17), and the buffer plate (2) is provided with a third-level bolt hole (25). The threaded hole (32), the first-level bolt hole (14), the second-level bolt hole (17), and the third-level bolt hole (25) are arranged in correspondence, and the lower connecting seat (7) and the upper connecting seat (8) are fixed to the connecting plate (6) by positioning bolts (20); The outer end face of the connecting plate (6) is provided with a first alignment groove (21), the inner end face of the lower connecting seat (7) is integrally formed with a first alignment seat (22), the outer end face of the lower connecting seat (7) is provided with a second alignment groove (23), the inner end face of the upper connecting seat (8) is integrally formed with a second alignment seat (24), the first alignment groove (21) and the first alignment seat (22) are correspondingly arranged, the second alignment groove (23) and the second alignment seat (24) are correspondingly arranged, and when the lower connecting seat (7) and the upper connecting seat (8) are actually installed, the first alignment seat (22) is embedded in the first alignment groove (21), and the second alignment seat (24) is embedded in the second alignment groove (23).

2. The retaining wall for water conservancy project according to claim 1, characterized in that: When the buffer plate (2) is actually installed, there is a gap between adjacent buffer plates (2). The buffer plate (2) is a hard steel plate, and the surfaces of the buffer plate (2) and the buffer spring (3) are both treated with rust prevention.

3. A retaining wall for water conservancy projects according to claim 2, characterized in that: The buffer plate (2) is provided with water discharge holes (26) penetrating therethrough. A plurality of groups of water discharge holes (26) are evenly arranged on the buffer plate (2). The water discharge holes (26) are frustum-shaped cavities, and the large-hole ends of the water discharge holes (26) are arranged towards the direction of the rectangular groove (4).

4. A retaining wall for a water conservancy project according to claim 3, characterized in that: Side mounting seats (27) are fixedly welded at the four side edge positions of the inner side surface of the buffer plate (2). Installation grooves (28) are opened on the outer sides of the side mounting seats (27). Elastic support members (29) are fixedly connected to the bottoms of the installation grooves (28). Pulley seats (30) are fixedly installed on the outer end faces of the elastic support members (29). Guide pulleys (31) are rotatably installed on the pulley seats (30). When the buffer plate (2) is actually installed, the wheel bodies of the guide pulleys (31) are abutted against the side edges of the rectangular groove (4), and at this time, the elastic support members (29) in four directions on the buffer plate (2) are all in a compressed state.

5. A retaining wall for a water conservancy project according to claim 1, characterized in that: The upper connecting seat (8) is composed of a first seat body (18) and a second seat body (19) combined, and the first seat body (18) and the second seat body (19) are symmetrically arranged. The positioning bolt (20) is an internal hexagonal bolt. External thread structures are provided on the nuts of the positioning bolts (20). Internal thread structures are provided on the side walls of the three-stage bolt holes (25). The external thread structures and the internal thread structures are matched with each other. Anti-slip grooves are provided on the side walls of the two-stage bolt holes (17). Anti-slip rubber rings (34) are fixedly embedded in the anti-slip grooves. When the positioning bolt (20) passes through the two-stage bolt hole (17), the frictional force between the anti-slip rubber ring (34) and the positioning bolt (20) is greater than the gravity of the first seat body (18).

6. A construction method for a retaining wall used in a water conservancy project, characterized in that: The construction method of the retaining wall for water conservancy projects is used for constructing the retaining wall for water conservancy projects described in claim 5 above. The construction method is as follows: First, embed the connecting plate (6) in the retaining wall main body (1), then embed the first alignment seat (22) on the lower connecting seat (7) into the first alignment groove (21) on the connecting plate (6). Next, sleeved the first seat body (18) and the second seat body (19) on the screw rod of the positioning bolt (20). Then, screw the nut of the positioning bolt (20) into the three-stage bolt hole (25), and ensure that the first seat body (18) and the second seat body (19) are located above the rotating ball (10). Then, hoist the buffer plate (2) to the designated position by a hoisting device. Then, screw and install the positioning bolt (20) so that the nut of the positioning bolt (20) disengages from the three-stage bolt hole (25). Then, let the positioning bolt (20) pass through the first-stage bolt hole (14) and finally screw it into the threaded hole (32) to synchronously position the lower connecting seat (7) and the upper connecting seat (8).

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