Dam foundation sealing anti-seepage structure in reservoir danger removing and reinforcing project

Abstract

The utility model discloses a dam foundation sealing anti-seepage structure in reservoir danger removing and reinforcing engineering, which belongs to the technical field of hydraulic engineering construction and comprises a main anti-seepage wall plate and two piles, auxiliary anti-seepage wall plates are slidably connected in two symmetrically-arranged concave cavities arranged on the front side wall of the main anti-seepage wall plate, and the auxiliary anti-seepage wall plates are connected with the main anti-seepage wall plate in a sliding mode. Guide plates a of which the vertical sections are of isosceles trapezoid structures are fixedly connected to the backs of the auxiliary diaphragm wallboards, and the guide plates a are slidably connected into guide grooves b formed in the inner walls of the concave cavities; when the dam foundation sealing anti-seepage structure in the reservoir danger removing and reinforcing project is used, the dam foundation sealing anti-seepage structure can be placed in the dam foundation groove, the screw rod is rotated through the hand wheel, then the sliding seat moves upwards, and the dam foundation sealing anti-seepage structure is matched with the action of the two push-pull rods. Furthermore, the two auxiliary anti-seepage wall plates move away from each other through the guide plate a and the guide plate b, so that the length of the auxiliary anti-seepage wall plates can be changed to meet the requirement of the width of the foundation trench for anti-seepage use.

Description

Technical Field

[0001] The utility model belongs to the technical field of water conservancy project construction, and specifically relates to a dam foundation closed anti-seepage structure in a reservoir risk elimination and reinforcement project. Background Art

[0002] The dam foundation refers to the foundation of the dam, including the riverbed and the parts on both sides where the dam body is placed, as well as the adjacent parts that bear the effects of the dam body and water bodies. Dam foundation anti-seepage is a treatment project built to prevent water seepage and infiltration stability in the dam foundation.

[0003] The existing anti-seepage structure mainly includes building a concrete anti-seepage wall, and the anti-seepage effect is achieved by installing the anti-seepage wall. The installation of the anti-seepage wall is mainly to connect it with the pile column through a connector.

[0004] The closed anti-seepage structure of the dam foundation in the prior art has the following defects: the anti-seepage wall is connected to the pile column through a connecting structure during installation, but the connecting structure is generally arranged on the outside of the pile column through two "Ω"-shaped locking hoops, which are then locked and installed by two bolts and nuts respectively. This installation method makes it very inconvenient to fix the anti-seepage wall to the pile column, and the installation efficiency is extremely low. At the same time, the length of the anti-seepage wall is fixed, and it cannot be adjusted for anti-seepage use according to dam foundation grooves of different widths, which greatly reduces its scope of application. Therefore, a closed anti-seepage structure for the dam foundation in a reservoir hazard removal and reinforcement project is needed to solve the problems in the prior art that the anti-seepage wall is inconvenient to fix to the pile column, and at the same time, it cannot be adjusted for anti-seepage use according to dam foundation grooves of different widths. Utility Model Content

[0005] The utility model aims to provide a closed anti-seepage structure for a dam foundation in a reservoir risk elimination and reinforcement project, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a closed anti-seepage structure for a dam foundation in a reservoir risk prevention and reinforcement project, comprising a main anti-seepage wallboard and two piles, wherein two symmetrically arranged concave cavities arranged on the front side wall of the main anti-seepage wallboard are both slidably connected with auxiliary anti-seepage wallboards, the back of the auxiliary anti-seepage wallboard is fixedly connected with a guide plate a having an isosceles trapezoidal structure in vertical section, the guide plate a is slidably connected with a guide groove b arranged on the inner wall of the concave cavity, the top of the auxiliary anti-seepage wallboard is fixedly connected with a guide plate b having an I-shaped structure in vertical section, and the guide plate b is slidably connected with the guide groove b arranged on the top of the main anti-seepage wallboard;

[0007] It also includes a length adjustment structure and a synchronous clamping structure. The length adjustment structure is installed in the middle of the front side wall of the main anti-seepage wall plate and is connected to the front side walls of the two auxiliary anti-seepage wall plates. The length adjustment structure can facilitate the anti-seepage structure to be adjusted and closed for use according to dam foundation grooves of different widths.

[0008] The synchronous clamping structure is installed on the back of the main anti-seepage wall plate and is connected to the top ends of the two guide plates b. The synchronous clamping structure can facilitate the main anti-seepage wall plate to be quickly fixed between the two pre-buried and fixed piles.

[0009] As a preferred implementation manner, the lengths of the guide plates a and b are equal to the length of the secondary anti-seepage wall plate, and the secondary anti-seepage wall plate is flush with the bottom end of the main anti-seepage wall plate.

[0010] As a preferred embodiment, the length adjustment structure includes a sliding groove provided on the front side wall of the main anti-seepage wall panel, in which a sliding seat with a convex cross-section is slidably connected, and the front end of the sliding seat is rotatably connected to two symmetrically arranged push-pull rods, and the top ends of the two push-pull rods are rotatably connected to the front side wall of the secondary anti-seepage wall panel.

[0011] As a preferred embodiment, a screw rod is threadedly connected to the sliding seat, both ends of the screw rod are rotatably connected to the sliding groove, and the top end of the screw rod extends to the top of the main anti-seepage wall panel and is fixedly connected to a hand wheel.

[0012] As a preferred embodiment, the synchronous clamping structure includes transmission plates fixed to the top ends of the two guide plates b, and transmission channels with a "hockey stick"-shaped cross-section are opened on the transmission plates. The transmission channels are movably overlapped with L-shaped transmission rods, and the L-shaped transmission rods are fixed with synchronization rods at one end away from the transmission channels. Two symmetrically arranged arc-shaped clamping blocks a are fixed to the outer sides of the two synchronization rods facing away from the main anti-seepage wall panels, and the arc-shaped clamping blocks a are slidably connected to the connecting rods through sliders with convex structures in vertical cross-sections. A sliding groove matching the slider is opened on the side wall of each connecting rod facing away from the middle of the main anti-seepage wall panel.

[0013] As a preferred embodiment, one end of the connecting rod is fixedly connected to the back of the main anti-seepage wall plate, and the other end is fixedly connected to an arc-shaped clamping block b that matches the arc-shaped clamping block a.

[0014] Compared with the prior art, the dam foundation closed anti-seepage structure in the reservoir risk prevention and reinforcement project provided by the utility model has at least the following beneficial effects:

[0015] The utility model, when using the dam foundation closed anti-seepage structure in the reservoir hazard removal and reinforcement project, the dam foundation closed anti-seepage structure can be placed in the dam foundation groove, and the screw rod is rotated by a hand wheel, so that the sliding seat is moved up, and in cooperation with the action of the two push-pull rods, the two auxiliary anti-seepage wall panels are moved away from each other through the guide plates a and the guide plates b, so that their lengths can be changed to meet the width of the foundation groove for anti-seepage use. Secondly, while the above-mentioned length adjustment structure is implemented, it can also be linked to make the two transmission plates move away from each other, and in cooperation with the setting of the transmission channel, the two L-shaped transmission rods can respectively drive the synchronization rod to move in the direction away from the main anti-seepage wall panel, so that the two arc-shaped clamping blocks a fixed to each synchronization rod can simultaneously move away from the main anti-seepage wall panel, so that they can cooperate with the arc-shaped clamping blocks b to clamp the pile column, thereby greatly improving the installation and fixing efficiency between the pile column and the pile column, and there is no need to use bolts, nuts and other components for locking and installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model after overall installation;

[0017] Figure 2 It is a schematic diagram of the side plan structure of the utility model after overall installation;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of each component in the synchronous clamping structure of the utility model;

[0019] Figure 4 The three-dimensional structure diagram of the slider and the slide groove of the utility model is unfolded.

[0020] In the figure: 1. main anti-seepage wall panel; 2. auxiliary anti-seepage wall panel; 21. guide plate a; 22. guide plate b; 3. length adjustment structure; 31. sliding seat; 32. push-pull rod; 33. screw rod; 34. hand wheel; 4. synchronous clamping structure; 41. transmission plate; 42. transmission channel; 43. L-shaped transmission rod; 44. synchronous rod; 45. arc clamping block a; 451. sliding block; 46. connecting rod; 47. arc clamping block b; 5. pile column. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the embodiments.

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0023] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0024] Example

[0025] The closed anti-seepage structure of the dam foundation in the prior art has the following defects: the anti-seepage wall is connected to the pile column 5 through a connecting structure during installation, but the connecting structure is generally arranged on the outside of the pile column 5 through two "Ω"-shaped locking hoops, and then locked and installed through two bolts and nuts respectively. This installation method makes it very inconvenient to fix the anti-seepage wall and the pile column 5, and the installation efficiency is extremely low. At the same time, the length of the anti-seepage wall is fixed, and it cannot be adjusted according to the different widths of the dam foundation groove for anti-seepage use, which greatly reduces its scope of application;

[0026] To do this, see Figure 1-4 The utility model provides a closed anti-seepage structure for a dam foundation in a reservoir risk prevention and reinforcement project, comprising: a main anti-seepage wall plate 1 and two piles 5, wherein two symmetrically arranged concave cavities arranged on the front side wall of the main anti-seepage wall plate 1 are both slidably connected with auxiliary anti-seepage wall plates 2, and the back of the auxiliary anti-seepage wall plates 2 are both fixedly connected with guide plates a21 with isosceles trapezoidal structures in vertical sections, and the guide plates a21 are both slidably connected with guide grooves b arranged on the inner walls of the concave cavities, and the top ends of the auxiliary anti-seepage wall plates 2 are both fixedly connected with guide plates b22 with I-shaped structures in vertical sections, and the guide plates b22 are both slidably connected with the guide grooves b arranged on the top ends of the main anti-seepage wall plates 1;

[0027] It also includes a length adjustment structure 3 and a synchronous clamping structure 4. The length adjustment structure 3 is installed in the middle of the front side wall of the main anti-seepage wall plate 1 and is connected to the front side walls of the two auxiliary anti-seepage wall plates 2. The length adjustment structure 3 can facilitate the anti-seepage structure to be adjusted and closed for use according to dam foundation grooves of different widths.

[0028] The synchronous clamping structure 4 is installed on the back of the main anti-seepage wallboard 1 and connected to the top ends of the two guide plates b22. The synchronous clamping structure 4 can facilitate the main anti-seepage wallboard 1 to be quickly fixed between the two pre-buried piles 5.

[0029] The bottom ends of the main anti-seepage wall panels 1 and the auxiliary anti-seepage wall panels 2 and the opposite side walls of the two auxiliary anti-seepage wall panels 2 are all provided with adhesive sealing pads, so that a good sealing effect can be achieved when they are attached to the inner wall of the base groove.

[0030] Further Figure 1-3 As shown, it is worth explaining in detail that the lengths of the guide plates a21 and b22 are equal to the length of the auxiliary anti-seepage wall plate 2, and the auxiliary anti-seepage wall plate 2 is flush with the bottom end of the main anti-seepage wall plate 1.

[0031] Further Figure 1-4 As shown, it is worth explaining in detail that in order to make the anti-seepage structure adjustable for use according to dam foundation grooves of different widths, a length adjustment structure 3 is provided, including a sliding groove provided on the front side wall of the main anti-seepage wall panel 1, in which a sliding seat 31 with a convex cross-section is slidably connected, and the front end of the sliding seat 31 is rotatably connected to two symmetrically arranged push-pull rods 32, and the top ends of the two push-pull rods 32 are rotatably connected to the front side wall of the auxiliary anti-seepage wall panel 2, and a screw rod 33 is threadedly connected to the sliding seat 31, and both ends of the screw rod 33 are rotatably connected to the sliding groove, and the top end of the screw rod 33 extends to the top of the main anti-seepage wall panel 1 and is fixedly connected to a hand wheel 34.

[0032] The hand wheel 34 rotates the screw rod 33, so that the sliding seat 31 can move up in the sliding groove, and cooperate with the two push-pull rods 32 to make the two auxiliary anti-seepage wall panels 2 move away from each other. Conversely, when the sliding seat 31 moves down, the two auxiliary anti-seepage wall panels 2 can move towards each other.

[0033] Further Figure 1-4 As shown, it is worth explaining in detail that in order to enable the anti-seepage structure to be fixed in the dam foundation groove and to be able to realize the fixation between the two piles 5 in linkage, a synchronous clamping structure 4 is provided, including a transmission plate 41 fixedly connected to the top of the two guide plates b22, and a transmission channel 42 with a "hockey stick" cross-section is opened on the transmission plate 41, and the transmission channel 42 is movably overlapped with an L-shaped transmission rod 43, and the end of the L-shaped transmission rod 43 away from the transmission channel 42 is fixedly connected with a synchronization rod 44 Two symmetrically arranged arc-shaped clamping blocks a45 are fixedly connected to the outer sides of the two synchronization rods 44 away from the main anti-seepage wall panel 1. The arc-shaped clamping blocks a45 are slidably connected to the connecting rod 46 through a slider 451 with a convex structure in vertical section. A sliding groove matching with the slider 451 is provided on the side wall of each connecting rod 46 away from the middle of the main anti-seepage wall panel 1. One end of the connecting rod 46 is fixedly connected to the back of the main anti-seepage wall panel 1, and the other end is fixedly connected to an arc-shaped clamping block b47 matching with the arc-shaped clamping block a45.

[0034] The width of the transmission channel 42 is the same as the diameter of the top cross section of the L-shaped transmission rod 43. The arc-shaped clamping block a45 and the arc-shaped clamping block b47 can also be provided with arc-shaped anti-slip pads to make the clamping and fixing effect more stable.

[0035] In summary: when the dam foundation closed anti-seepage structure is used in the reservoir risk prevention and reinforcement project, the dam foundation closed anti-seepage structure can be placed in the dam foundation groove, and the screw rod 33 is rotated by the hand wheel 34, so that the sliding seat 31 moves up, and cooperates with the action of the two push-pull rods 32, so that the two auxiliary anti-seepage wall panels 2 are moved away from each other through the guide plates a21 and b22, so that their lengths can be changed to meet the width of the foundation groove for anti-seepage use. Secondly, while the above-mentioned length adjustment structure 3 is implemented, it can The two transmission plates 41 can be linked to each other and move away from each other, and in conjunction with the setting of the transmission channel 42, the two L-shaped transmission rods 43 can respectively drive the synchronization rod 44 to move away from the main anti-seepage wall plate 1, so that the two arc-shaped clamping blocks a45 fixed to each synchronization rod 44 can move away from the main anti-seepage wall plate 1 at the same time, so that they can cooperate with the arc-shaped clamping blocks b47 to clamp the pile column 5, thereby greatly improving the installation and fixing efficiency between the pile column 5 and the pile column 5, without the need to use bolts, nuts and other components for locking installation.

[0036] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "including" or "comprising" and the like used in the present invention mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The words "connect" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the described object changes, the relative position relationship may also change accordingly.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A closed anti-seepage structure for a dam foundation in a reservoir risk prevention and reinforcement project, comprising a main anti-seepage wallboard (1) and two piles (5), characterized in that: Auxiliary anti-seepage wall panels (2) are slidably connected to two symmetrically arranged concave cavities arranged on the front side wall of the main anti-seepage wall panel (1); a guide plate a (21) having an isosceles trapezoidal structure in vertical section is fixedly connected to the back of the auxiliary anti-seepage wall panel (2); the guide plate a (21) is slidably connected to a guide groove b arranged on the inner wall of the concave cavity; a guide plate b (22) having an I-shaped structure in vertical section is fixedly connected to the top of the auxiliary anti-seepage wall panel (2); the guide plate b (22) is slidably connected to the guide groove b arranged on the top of the main anti-seepage wall panel (1); It also comprises a length adjustment structure (3) and a synchronous clamping structure (4), wherein the length adjustment structure (3) is installed at the middle of the front side wall of the main anti-seepage wall plate (1) and is connected to the front side walls of the two auxiliary anti-seepage wall plates (2), and the length adjustment structure (3) can facilitate the anti-seepage structure to be adjusted and closed for use according to dam foundation grooves of different widths; The synchronous clamping structure (4) is installed on the back of the main anti-seepage wall panel (1) and is connected to the top ends of the two guide plates b (22). The synchronous clamping structure (4) can facilitate the main anti-seepage wall panel (1) to be quickly fixed to the two pre-buried piles (5).

2. The closed anti-seepage structure for dam foundation in a reservoir risk prevention and reinforcement project according to claim 1, characterized in that: The lengths of the guide plates a (21) and b (22) are equal to the length of the auxiliary anti-seepage wall plate (2), and the bottom ends of the auxiliary anti-seepage wall plate (2) and the main anti-seepage wall plate (1) are flush.

3. The closed anti-seepage structure for dam foundation in a reservoir risk prevention and reinforcement project according to claim 1, characterized in that: The length adjustment structure (3) comprises a sliding groove provided on the front side wall of the main anti-seepage wall panel (1), in which a sliding seat (31) having a convex cross-section is slidably connected, and the front end of the sliding seat (31) is rotatably connected to two symmetrically arranged push-pull rods (32), and the top ends of the two push-pull rods (32) are both rotatably connected to the front side wall of the auxiliary anti-seepage wall panel (2).

4. The closed anti-seepage structure for dam foundation in a reservoir risk prevention and reinforcement project according to claim 3 is characterized by: The sliding seat (31) is threadedly connected with a screw rod (33), both ends of which are rotatably connected to the sliding grooves, and the top end of the screw rod (33) extends to the top of the main anti-seepage wall plate (1) and is fixedly connected with a hand wheel (34).

5. The closed anti-seepage structure for dam foundation in a reservoir risk prevention and reinforcement project according to claim 1, characterized in that: The synchronous clamping structure (4) comprises a transmission plate (41) fixedly connected to the top ends of the two guide plates b (22), a transmission channel (42) with a "hockey stick" shaped cross section is provided on the transmission plate (41), an L-shaped transmission rod (43) is movably overlapped on the transmission channel (42), a synchronization rod (44) is fixedly connected to one end of the L-shaped transmission rod (43) away from the transmission channel (42), two symmetrically arranged arc-shaped clamping blocks a (45) are fixedly connected to the outer sides of the two synchronization rods (44) away from the main anti-seepage wall plate (1), the arc-shaped clamping blocks a (45) are slidably connected to the connecting rod (46) through a slider (451) with a convex structure in vertical section, and a sliding groove matching the slider (451) is provided on a side wall of each connecting rod (46) away from the middle of the main anti-seepage wall plate (1).

6. The closed anti-seepage structure for dam foundation in a reservoir risk prevention and reinforcement project according to claim 5, characterized in that: One end of the connecting rod (46) is fixedly connected to the back of the main anti-seepage wall plate (1), and the other end is fixedly connected to an arc-shaped clamping block b (47) matched with the arc-shaped clamping block a (45).

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