Retaining wall for water conservancy project and construction method of retaining wall

Abstract

The invention relates to the related technical field of retaining walls for hydraulic engineering, in particular to a retaining wall for hydraulic engineering and a construction method thereof.The retaining wall comprises a retaining wall body, a buffer plate and a buffer spring, a rectangular groove is formed in the slope of the retaining wall body, a connecting groove is formed in the groove bottom of the rectangular groove, and the buffer plate corresponds to the rectangular groove; the outer side ends of the buffer springs are fixedly connected with the inner end faces of the buffer plates, and the inner side ends of the buffer springs are connected with the bottoms of the rectangular grooves. Through the blocking effect of the buffer plate and the buffer force release effect of the buffer spring, impact force of water in a river channel is prevented from directly acting on the retaining wall body, the retaining wall body is prevented from being directly damaged, the buffer plate can be detached and replaced after being impacted and damaged by waves due to detachable installation, and the structure is simple. And due to the buffering effect of the buffering springs, the situation that direct acting force borne by the buffering plate is too large can be avoided, and therefore the buffering plate is better protected, and the service life of the buffering plate is effectively prolonged.

Description

Technical Field

[0001] The 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 a construction method thereof, wherein the scheme comprises a foundation, a vertically cast concrete wall on the foundation, and an integrally cast concrete wall on the side of the concrete wall away from the water body, wherein the back surface of the concrete wall is arranged in an inclined surface, and 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 grid 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, and 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 regulating pipe is connected in the water reservoir;

[0004] However, the above-mentioned retaining wall is only a simple concrete wall, which is unable to unload the scouring force of the waves well, so that the waves directly act on the concrete wall, which makes the retaining wall easy to be damaged. The concrete wall is more troublesome to repair, which makes the concrete wall more time-consuming and labor-intensive in the later maintenance. 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 to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above 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 is arranged corresponding to the rectangular groove;

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

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

[0011] Preferably, when the buffer plates are actually installed, gaps are left between adjacent buffer plates, the buffer plates are hard steel plates, and the surfaces of the buffer plates and buffer springs are rust-proofed.

[0012] Preferably, the buffer plate is provided with drainage holes, and a plurality of drainage holes are evenly provided on the buffer plate. The drainage holes are in the form of truncated cone-shaped cavities, and the large hole ends of the drainage holes are arranged toward the direction of the rectangular groove.

[0013] Preferably, side mounting seats are fixedly welded at the four edge positions of the inner side surface of the buffer plate, and mounting grooves are opened on the outer sides of the side mounting seats. An elastic support member is fixedly connected to the bottom of the mounting groove, and a pulley seat is fixedly installed on the outer end surface of the elastic support member. A guide pulley is rotatably installed on the pulley seat. When the buffer plate is actually installed, the wheel body of the guide pulley is arranged to be in contact with the side 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 piece, a connecting column is fixedly welded at the center position of the inner side surface of the buffer plate, a rotating ball is integrally formed at the end of the connecting column, and a connecting plate is pre-embedded in the bottom of the connecting groove, the movable connecting piece includes a lower connecting seat and an upper connecting seat, a lower spherical groove is provided on the lower connecting seat, an upper spherical groove is provided on the upper connecting seat, a connecting column groove is penetrated through the bottom of the upper spherical groove, the lower connecting seat is fixedly connected to the connecting plate, and 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 reinforcement column is integrally formed on the inner end surface of the connecting plate, a reinforcement annular plate is integrally formed on the side wall of the reinforcement column, and the reinforcement column and the reinforcement annular plate are both pre-embedded in the concrete wall of the retaining wall body.

[0016] Preferably, a threaded hole is provided on the connecting plate, a primary bolt hole is provided on the lower connecting seat, a secondary bolt hole is provided on the upper connecting seat, and a tertiary bolt hole is provided on the buffer plate. The threaded hole, primary bolt hole, secondary bolt hole, and tertiary bolt hole are arranged correspondingly, and the lower connecting seat and the upper connecting seat are fixed to the connecting plate by positioning bolts.

[0017] Preferably, a first alignment groove is provided on the outer end surface of the connecting plate, a first alignment seat is integrally formed on the inner end surface of the lower connecting seat, a second alignment groove is provided on the outer end surface of the lower connecting seat, and a second alignment seat is integrally formed on the inner end surface of the upper connecting seat, the first alignment groove and the first alignment seat are arranged correspondingly, the second alignment groove and the second alignment seat are arranged correspondingly, and 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 a hexagon socket bolt, and the nut of the positioning bolt is provided with an external thread structure, and the side wall of the third-level bolt hole is provided with an internal thread structure, and the external thread structure and the internal thread structure are matched with each other, and the side wall of the secondary bolt hole is provided with an anti-slip groove, and an anti-slip rubber ring is fixedly embedded in the anti-slip groove, and when the positioning bolt passes through the secondary bolt hole, the friction 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 for a water conservancy project, the construction method for a retaining wall for a water conservancy project is used to construct the retaining wall for the water conservancy project. The construction method is as follows: first, a connecting plate is embedded in the retaining wall body, and then a first alignment seat on a lower connecting seat is embedded in a first alignment groove on the connecting plate, and then a first seat body and a second seat body are sleeved on the screw rod of a positioning bolt, and then the nut of the positioning bolt is screwed into a tertiary bolt hole, and the first seat body and the second seat body are ensured to be located on the upper side of a rotating ball, and then a buffer plate is lifted to a designated position by a lifting device, and then the positioning bolt is screwed and installed to disengage the nut of the positioning bolt from the tertiary bolt hole, and then the positioning bolt is passed through the primary bolt hole, and finally screwed into the threaded hole to form a synchronous positioning effect on the lower connecting seat and the upper connecting seat.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. By setting a retaining wall for water conservancy projects composed of a retaining wall body, a buffer plate and a buffer spring, the impact force of the water body in the river channel can be prevented from directly acting on the retaining wall body through the blocking effect of the buffer plate and the buffering and force-relieving effect of the buffer spring, thereby preventing the retaining wall body from being directly damaged. The detachable installation of the buffer plate can also be disassembled and replaced after the buffer plate is damaged by the impact of waves, and the buffering effect of the buffer spring can also prevent the buffer plate from being subjected to excessive direct force, thereby better protecting the buffer plate and effectively improving 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 It is a half-section view of the present invention;

[0025] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[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-section view of a buffer plate of the present invention;

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

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

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

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

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

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

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

[0036] In the figure: retaining wall body 1, buffer plate 2, buffer spring 3, rectangular groove 4, connecting groove 5, connecting plate 6, lower connecting seat 7, upper connecting seat 8, connecting column 9, rotating ball 10, reinforcement column 11, reinforcement annular plate 12, lower spherical groove 13, primary bolt hole 14, upper spherical groove 15, connecting column groove 16, secondary 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, tertiary bolt hole 25, drain hole 26, mounting seat 27, mounting groove 28, elastic support 29, pulley seat 30, guide pulley 31, threaded hole 32, anti-slip rubber ring 34. DETAILED DESCRIPTION

[0037] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail 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 only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-Figure 13 The present invention provides the following three preferred embodiments:

[0039] Embodiment 1, a retaining wall for water conservancy projects, including a retaining wall body 1, a buffer plate 2 and a buffer spring 3, the inclined surface of the retaining wall body 1 is formed with a rectangular groove 4, the bottom of the rectangular groove 4 is formed with a connecting groove 5, 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, the inner end of the buffer spring 3 is connected to the bottom of the rectangular groove 4, the buffer spring 3 is arranged at the four corners of the buffer plate 2, and 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 section of the buffer plate 2 The surface size is larger than the cross-sectional size of the rectangular groove 4. A retaining wall for a water conservancy project composed of a retaining wall body 1, a buffer plate 2 and a buffer spring 3 is set, so that the impact force of the water body in the river channel is prevented from directly acting on the retaining wall body 1 through the blocking effect of the buffer plate 2 and the buffering and force-relieving effect of the buffer spring 3, thereby preventing the retaining wall body 1 from being directly damaged. 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 waves, and the buffering effect of the buffer spring 3 can also prevent the buffer plate 2 from being subjected to excessive direct force, thereby better protecting the buffer plate 2 and effectively improving its service life.

[0040] Embodiment 2, on the basis of embodiment 1, when the buffer plates 2 are actually installed, gaps are left between adjacent buffer plates 2, the buffer plates 2 are hard steel plates, and the surfaces of the buffer plates 2 and buffer springs 3 are rust-proofed.

[0041] The buffer plate 2 is provided with drainage holes 26, and a plurality of drainage holes 26 are evenly provided on the buffer plate 2. The drainage holes 26 are in the form of a truncated cone-shaped cavity, and the large hole end of the drainage hole 26 is arranged toward the rectangular groove 4. By leaving gaps between adjacent buffer plates 2 and providing drainage holes 26 on the buffer plate 2, it is effectively prevented that the water inside the buffer plate 2 is subjected to a large squeezing force, and the water inside the buffer plate 2 cannot be discharged, causing the buffer plate 2 to be subjected to excessive force and deformed and damaged.

[0042] The four edge positions of the inner side surface of the buffer plate 2 are fixedly welded with side mounting seats 27, and the outer sides of the side mounting seats 27 are provided with mounting grooves 28. The bottom of the mounting groove 28 is fixedly connected with an elastic support member 29, and the outer end surface of the elastic support member 29 is fixedly installed with a pulley seat 30, and a guide pulley 31 is rotatably installed on the pulley seat 30. When the buffer plate 2 is actually installed, the wheel body of the guide pulley 31 is arranged to be in contact with the side 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. The arrangement of the elastic support member 29, the pulley seat 30, and the guide pulley 31 can avoid collision damage caused by a large force between the buffer plates 2, and can also effectively reduce the contact wear between the buffer plate 2 and the retaining wall 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 piece, a connecting column 9 is fixedly welded at the center 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 pre-buried at the bottom of the connecting groove 5, the movable connecting piece includes a lower connecting seat 7 and an upper connecting seat 8, a lower spherical groove 13 is provided on the lower connecting seat 7, an upper spherical groove 15 is provided on the upper connecting seat 8, a connecting column groove 16 is penetrated 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 reinforcement column 11 is integrally formed on the inner end surface of the connecting plate 6 , and a reinforcement annular plate 12 is integrally formed on the side wall of the reinforcement column 11 . The reinforcement column 11 and the reinforcement annular plate 12 are both pre-buried in the concrete wall of the retaining wall body 1 .

[0045] The connecting plate 6 is provided with a threaded hole 32, the lower connecting seat 7 is provided with a primary bolt hole 14, the upper connecting seat 8 is provided with a secondary bolt hole 17, and the buffer plate 2 is provided with a tertiary bolt hole 25. The threaded hole 32, the primary bolt hole 14, the secondary bolt hole 17, and the tertiary bolt hole 25 are arranged correspondingly, and the lower connecting seat 7 and the upper connecting seat 8 are fixed to the connecting plate 6 by positioning bolts 20. The lower connecting seat 7 and the upper connecting seat 8 are synchronously installed by the positioning bolts 20, thereby effectively improving the convenience of disassembly and assembly of the lower connecting seat 7 and the upper connecting seat 8.

[0046] The outer end surface of the connecting plate 6 is provided with a first alignment groove 21, the inner end surface of the lower connecting seat 7 is integrally formed with a first alignment seat 22, the outer end surface of the lower connecting seat 7 is provided with a second alignment groove 23, and the inner end surface 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 arranged correspondingly, the second alignment groove 23 and the second alignment seat 24 are arranged correspondingly, 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 a hexagon socket bolt, and the nut of the positioning bolt 20 is provided with an external thread structure, and the side wall of the third-level bolt hole 25 is provided with an internal thread structure, and the external thread structure and the internal thread structure are matched with each other. The side wall of the secondary 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 secondary 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 on the inner side of the buffer plate 2, thereby preventing water waves from causing 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 for a water conservancy project, the construction method for a retaining wall for a water conservancy project is used to construct the retaining wall for the above-mentioned water conservancy project, the construction method is firstly by pre-embedding a connecting plate 6 in the retaining wall body 1, and then by embedding the first alignment seat 22 on the lower connecting seat 7 in the first alignment groove 21 on the connecting plate 6, and then sleeve the first seat body 18 and the second seat body 19 on the screw of the positioning bolt 20, and then by screwing the nut of the positioning bolt 20 into the tertiary bolt hole 25, and ensuring that the first seat body 18 and the second seat body 19 are located on the upper side of the rotating ball 10, and then the buffer plate 2 is lifted to the specified position by the lifting equipment, and then the positioning bolt 20 is screwed and installed to disengage the nut of the positioning bolt 20 from the tertiary bolt hole 25, and then the positioning bolt 20 is passed through the primary bolt hole 14, and finally screwed into the threaded hole 32, so as to form a synchronous positioning effect on the lower connecting seat 7 and the upper connecting seat 8.

[0049] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A retaining wall for a water conservancy project, 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), wherein the buffer plate (2) is arranged corresponding to the rectangular groove (4); A buffer spring (3), the outer end of the buffer spring (3) being fixedly connected to the inner end surface of the buffer plate (2), the inner end of the buffer spring (3) being connected to the bottom of the rectangular groove (4), and one buffer spring (3) is provided at each of the four corners 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 greater than the cross-sectional dimension of the rectangular groove (4).

2. A retaining wall for water conservancy projects according to claim 1, characterized in that: When the buffer plates (2) are actually installed, gaps are left between adjacent buffer plates (2); the buffer plates (2) are hard steel plates, and the surfaces of the buffer plates (2) and buffer springs (3) are both rust-proofed.

3. A retaining wall for water conservancy projects according to claim 2, characterized in that: The buffer plate (2) is provided with drainage holes (26) extending therethrough. The drainage holes (26) are evenly provided in a plurality of groups on the buffer plate (2). The drainage holes (26) are in the form of a truncated cone-shaped cavity, and the large hole ends of the drainage holes (26) are arranged toward the direction of the rectangular groove (4).

4. A retaining wall for water conservancy projects according to claim 3, characterized in that: The four edge positions of the inner side surface of the buffer plate (2) are all fixedly welded with side mounting seats (27), and the outer sides of the side mounting seats (27) are all provided with mounting grooves (28). The groove bottom of the mounting groove (28) is fixedly connected with an elastic support member (29), and the outer end surface of the elastic support member (29) is fixedly mounted with a pulley seat (30), and a guide pulley (31) is rotatably mounted on the pulley seat (30). When the buffer plate (2) is actually installed, the wheel body of the guide pulley (31) is arranged to be close to the side 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. The retaining wall for water conservancy project according to claim 1, characterized in that: 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). A rotating ball (10) is integrally formed at the end of the connecting column (9). A connecting plate (6) is pre-buried at the bottom of the connecting groove (5). The movable connecting piece comprises 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).

6. A retaining wall for water conservancy projects according to claim 5, characterized in that: A reinforcing column (11) is integrally formed on the inner end surface of the connecting plate (6), and 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 pre-buried in the concrete wall of the retaining wall body (1).

7. A retaining wall for water conservancy projects according to claim 6, characterized in that: The connecting plate (6) is provided with a threaded hole (32), the lower connecting seat (7) is provided with a primary bolt hole (14), the upper connecting seat (8) is provided with a secondary bolt hole (17), and the buffer plate (2) is provided with a tertiary bolt hole (25). The threaded hole (32), the primary bolt hole (14), the secondary bolt hole (17), and the tertiary bolt hole (25) are arranged correspondingly, and the lower connecting seat (7) and the upper connecting seat (8) are fixed to the connecting plate (6) by positioning bolts (20).

8. A retaining wall for water conservancy projects according to claim 7, characterized in that: The outer end surface of the connecting plate (6) is provided with a first alignment groove (21), the inner end surface of the lower connecting seat (7) is integrally formed with a first alignment seat (22), the outer end surface of the lower connecting seat (7) is provided with a second alignment groove (23), the inner end surface 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 arranged correspondingly, the second alignment groove (23) and the second alignment seat (24) are arranged correspondingly, 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).

9. A retaining wall for water conservancy projects according to claim 7, characterized in that: 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 a hexagon socket bolt, and the nut of the positioning bolt (20) is provided with an external thread structure. The side wall of the third-level 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 second-level bolt hole (17) is provided with an anti-skid groove, and an anti-skid rubber ring (34) is fixedly embedded in the anti-skid groove. When the positioning bolt (20) passes through the second-level bolt hole (17), the friction between the anti-skid rubber ring (34) and the positioning bolt (20) is greater than the gravity of the first seat body (18).

10. A method for constructing a retaining wall for a water conservancy project, characterized in that: The construction method of the retaining wall for water conservancy project is used to construct the retaining wall for water conservancy project described in claim (9). The construction method comprises the following steps: firstly, a connecting plate (6) is embedded in the retaining wall body (1); then, a 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 of the positioning bolt (20); and then, the nut of the positioning bolt (20) is screwed on the third-level screw. The first and second seat bodies (18 and 19) are positioned on the upper side of the rotating ball (10), and the buffer plate (2) is then hoisted to the designated position by a hoisting device, and the positioning bolt (20) is screwed and installed to allow the nut of the positioning bolt (20) to be disengaged from the third-level bolt hole (25), and the positioning bolt (20) is then passed through the first-level bolt hole (14) and 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).

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