Water conservancy plant dam section temporary foundation pit drainage device
By using a combination of foundation pit support frames and L-shaped supports with multi-point fixed L-shaped drainage pipes and buffer components during the construction of the dam section of the water conservancy plant, the problem of insufficient stability of drainage equipment in the existing technology was solved, achieving efficient and safe drainage, extending the service life of the equipment and reducing maintenance costs.
Patent Information
- Application Number
- CN202520406281.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-06
AI Technical Summary
During the construction of existing dam sections of water conservancy plants, the drainage equipment is not stable enough, is complicated to install, has poor adaptability, and is prone to shaking or displacement under the impact of high-flow water, resulting in equipment damage and reduced drainage efficiency.
The foundation support frame provides a solid foundation. The L-shaped support is inverted and snapped between the foundation support frame and the pit body. Combined with the multi-point fixed L-shaped drainage pipe and the support buffer assembly, including the rubber buffer base and the air buffer spring, the clamping force can be adjusted by moving the clamping plate and the drive component to adapt to foundation support frames of different sizes.
It improves the stability and applicability of drainage devices, ensures continuity and safety, reduces equipment wear, improves drainage efficiency and equipment lifespan, and reduces maintenance costs.
Smart Images

Figure CN223805561U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to water conservancy dam construction technical field especially a water conservancy dam section temporary foundation pit drainage device. BACKGROUND
[0002] Water conservancy dam construction refers to the process of excavation, support, drainage and other series of operations in a specific area during the construction of water conservancy projects, especially dams and their auxiliary facilities. In water conservancy projects, temporary foundation pit drainage is a key link, especially during the construction of water conservancy dam sections. Due to high groundwater level or rainfall and other factors, it is often necessary to quickly and effectively drain the accumulated water in the foundation pit.
[0003] The existing drainage equipment usually includes basic components such as water pumps, drainage pipes and support structures. However, these devices often have problems such as insufficient stability, complex installation and poor adaptability in actual application. For example, the traditional drainage equipment has a single fixing method, usually fixing the drainage pipe with simple supports or clamps, lacking multi-point support and buffer mechanism. Under the impact of high-flow water, the drainage pipe is prone to shaking or displacement, leading to equipment damage or reduced drainage efficiency. SUMMARY
[0004] The utility model aims at providing a water conservancy dam section temporary foundation pit drainage device to solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a water conservancy dam section temporary foundation pit drainage device, including a temporary foundation pit assembly, the temporary foundation pit assembly includes a foundation pit support frame and a pit body formed by enclosing, the top side of the temporary foundation pit assembly is provided with a drainage assembly, the drainage assembly includes an inverted L-shaped support seat clamped between the top of the foundation pit support frame and the pit body, a plurality of pipe clamp seats fixed symmetrically on the top surface of the L-shaped support seat, an L-shaped drainage pipe clamped in the grooves of the plurality of pipe clamp seats, and a pipe clamp cover clamped above the L-shaped drainage pipe and fixedly connected with each pipe clamp seat.
[0006] The L-shaped drainage pipe and the L-shaped support seat are both clamped on the foundation pit support frame in the same reverse state, and the longitudinal part of one end extends into the pit body. The end of the L-shaped drainage pipe extending into the pit body is sealedly connected with a drainage hose. The other end of the L-shaped drainage pipe is connected with an external water pump to drain the water in the pit body. A moving clamping plate is slidingly connected to the inner top wall of the L-shaped support seat. The moving clamping plate is clamped to the outside of the foundation pit support frame. A driving component is arranged on the L-shaped support seat to drive the moving clamping plate to move. A support and buffer assembly is arranged between the L-shaped support seat and the L-shaped drainage pipe.
[0007] Preferably, the L-shaped support is welded with a fixed vertical plate at the inner wall of the end far from the pit body, the driving component comprises a screw rod penetrating through the fixed vertical plate, and the light pole end of the screw rod penetrating through the fixed vertical plate is rotationally connected with the moving clamping plate through a bearing.
[0008] Preferably, the moving clamping plate and the fixed vertical plate are provided with a positioning component, and the positioning component is used for limiting the moving path of the moving clamping plate when the moving clamping plate moves between the fixed vertical plate and the L-shaped support.
[0009] Preferably, the positioning component comprises two positioning insertion rods symmetrically welded on the outer wall of the side of the moving clamping plate facing the fixed vertical plate, and the ends of the two positioning insertion rods far from the moving clamping plate extend to the outside of the fixed vertical plate.
[0010] Preferably, a rubber buffer base is fixedly installed between the two pipe clamp seats and on the top surface of the L-shaped support, and the groove on the top of the rubber buffer base elastically abuts upwardly on the L-shaped drain pipe, so that the L-shaped drain pipe is supported and buffered.
[0011] Preferably, the support buffer assembly comprises an arc-shaped support plate fixed to the outer wall of the longitudinal portion of the L-shaped support and a support transverse plate welded to the inner wall of the bottom end of the arc-shaped support plate, and the end of the support transverse plate far from the arc-shaped support plate is fixed to the outer wall of the L-shaped support.
[0012] Preferably, an air buffer spring is fixedly connected between the inner wall of the arc-shaped support plate and the outer wall of the L-shaped support.
[0013] Preferably, the arc-shaped outer wall of the arc-shaped support plate abuts and supports on the outer wall of the elbow portion of the L-shaped drain pipe.
[0014] Compared with the prior art, the technical effects and advantages of the utility model are as follows:
[0015] The water conservancy dam section temporary foundation pit drainage device provides firm foundation support through the foundation pit support frame, and the L-shaped support is inversely clamped between the top end of the foundation pit support frame and the pit body, so that the stability of the whole device is ensured. In the complex water conservancy environment, the equipment is not easy to displace or fall down, and the continuity and safety of the drainage work are ensured. The drainage hose extends into the water, and the water is pumped out through the external water pump. The L-shaped drain pipe fixed at multiple points ensures the smooth flow of water flow, avoids the problem of blockage, can quickly and effectively drain the accumulated water in the foundation pit, improves the work efficiency, and shortens the construction period.
[0016] The support buffering assembly between the L support and the L drain pipe, such as the rubber buffering base, the arc-shaped support plate and the air buffering spring, can effectively absorb and relieve the vibration and stress caused by the water flow impact, reduce the abrasion of the equipment caused by the water flow impact, prolong the service life of the equipment and reduce the maintenance cost.
[0017] Through the design of the moving clamping plate and the driving component, the clamping force can be adjusted according to the actual needs, the device is suitable for different sizes of foundation pit support frames, the universality and applicability of the device are enhanced, the device is suitable for various water conservancy environments and foundation pit conditions, and the flexibility and practicality of the device are improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0019] Figure 1 It is a structural schematic view of the utility model;
[0020] Figure 2 It is a mounting structural schematic view of the L drain pipe of the utility model;
[0021] Figure 3 It is a connecting structural schematic view of the moving clamping plate of the utility model;
[0022] Figure 4 It is a structural schematic view of the utility model Figure 2 It is an enlarged structural schematic view of A in the utility model.
[0023] Mark explanation:
[0024] In the drawing: 1, temporary foundation pit assembly; 2, foundation pit support frame; 3, pit body; 4, L drain pipe; 5, L support; 6, drain hose; 7, drainage assembly; 8, pipe clamp seat; 9, pipe clamp cover; 10, locking bolt; 11, fixed vertical plate; 12, screw piece; 13, positioning insertion rod; 14, moving clamping plate; 15, rubber buffering base; 16, elbow portion; 17, arc-shaped support plate; 18, support cross plate; 19, air buffering spring. EMBODIMENT
[0025] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail to avoid obscuring the present application.
[0026] Unless the context clearly requires otherwise, throughout the description, the terms "comprise", "comprising", "include", "including", and the like are to be construed in an inclusive sense, as opposed to an exclusive or exhaustive sense; that is to say, in the sense of "including, but not limited to".
[0027] The embodiment provides a kind of temporary foundation pit drainage device of water conservancy dam section as shown in Figures 1 to 4 The embodiment provides a kind of temporary foundation pit drainage device of water conservancy dam section as shown in including temporary foundation pit assembly 1, temporary foundation pit assembly 1 includes foundation pit support frame 2 and the pit body 3 formed by enclosing, the top side of temporary foundation pit assembly 1 is provided with drainage assembly 7, drainage assembly 7 includes the inverted L support 5 of top end and being inverted between foundation pit support frame 2 and pit body 3 and is connected, multiple pipeline clamp seat 8 are fixedly connected on the top surface of L support 5, L drainage pipe 4 is inlaidly connected in the recess of multiple pipeline clamp seat 8, and pipeline clamp cover 9 is inlaidly connected above L drainage pipe 4 and is fixedly spliced together with each pipeline clamp seat 8, L drainage pipe 4 and L support 5 are all set on foundation pit support frame 2 in the same reverse state and the longitudinal component of one end extends into pit body 3, one end of L drainage pipe 4 extending into pit body 3 is sealingly connected with drainage hose 6, drainage hose 6 extends into water, the water in pit body 3 is discharged by the water pump connected outside through the other end of L drainage pipe 4, the lateral inner top wall of L support 5 is slidably connected with moving clamping plate 14, moving clamping plate 14 is clamped to the outside of foundation pit support frame 2, so that the longitudinal component of moving clamping plate 14 and L support 5 is stably clamped to the top of foundation pit support frame 2, to fix and erect L drainage pipe 4, L support 5 is also provided with the driving component for driving moving clamping plate 14 to move, the design of driving component can make moving clamping plate 14 can clamp foundation pit support frame 2 of different sizes, support buffer assembly is also provided between L support 5 and L drainage pipe 4, so that the shaking of L drainage pipe 4 is reduced when draining, damage is reduced, and the service life of L drainage pipe 4 is improved.Pipeline clamp cover 9 is fixedly connected together with pipeline clamp seat 8 by locking bolt 10.L support 5 is stably installed on foundation pit support frame 2, and L drainage pipe 4 is fixed by pipeline clamp seat 8 and pipeline clamp cover 9, to ensure that its position is stable, drainage hose 6 extends into water, water is pumped out by external water pump, efficient drainage is realized, a kind of simple structure and efficient drainage device is provided, suitable for the temporary foundation pit drainage needs of various water conservancy dam sections, to ensure the stability of equipment, reduce the risk of equipment displacement or damage caused by water impact.
[0028] In this embodiment, the inner wall of the end of the L support 5 away from the pit body 3 is welded with a fixed vertical plate 11, and the driving component includes a screw rod 12 penetrating through the fixed vertical plate 11. The light pole end of the screw rod 12 penetrating through the fixed vertical plate 11 is rotatably connected with the moving clamping plate 14 through a bearing. When the screw rod 12 is screwed in the positive direction, the moving clamping plate 14 can be driven to move towards the foundation pit support frame 2 to clamp the foundation pit support frame 2, and when the screw rod 12 is screwed in the reverse direction, the clamping of the moving clamping plate 14 is released. The screw rod 12 penetrates through the fixed vertical plate 11 and is rotatably connected with the moving clamping plate 14 through a bearing. The screwing of the screw rod 12 can drive the moving clamping plate 14 to move, thereby clamping or releasing the foundation pit support frame 2, providing a flexible adjustment function, being able to adapt to foundation pit support frames 2 of different sizes, enhancing the versatility and applicability of the device, and being simple in structure, convenient to operate and reducing the time cost of on-site installation and debugging.
[0029] In this embodiment, a positioning component is arranged between the moving clamping plate 14 and the fixed vertical plate 11. When the moving clamping plate 14 moves between the fixed vertical plate 11 and the L support 5, the positioning component is used to limit the movement path of the moving clamping plate 14. The positioning component includes two positioning insertion rods 13 symmetrically welded on the outer wall of the side of the moving clamping plate 14 towards the fixed vertical plate 11. The positioning insertion rods 13 penetrate to the outside of the fixed vertical plate 11, limiting the movement direction of the moving clamping plate 14, ensuring that the moving clamping plate 14 maintains linear motion during sliding, avoiding deviation, improving the clamping precision and stability, enhancing the safety and reliability of the device, and preventing equipment failure caused by deviation of the clamping plate.
[0030] In this embodiment, the positioning component includes two positioning insertion rods 13 symmetrically welded on the outer wall of the side of the moving clamping plate 14 towards the fixed vertical plate 11. The ends of the two positioning insertion rods 13 away from the moving clamping plate 14 extend to the outside of the fixed vertical plate 11. The positioning insertion rods 13 serve as guide elements to guide the moving clamping plate 14 to slide along a predetermined path, ensuring that it does not deviate during clamping and releasing, improving the accuracy and stability of the clamping process, preventing the problem of insecure clamping caused by deviation of the moving clamping plate 14, simplifying the structural design, and reducing the maintenance difficulty and cost.
[0031] In this embodiment, a rubber buffer base 15 is fixedly installed between the two pipe clamp seats 8 and on the top surface of the L support 5. The groove on the top of the rubber buffer base 15 elastically abuts upwardly on the L drainage pipe 4, so as to provide buffer support for the L drainage pipe 4. The rubber buffer base 15 has certain elasticity and buffering performance, can effectively absorb the vibration and impact force generated by the L drainage pipe 4 during work, reduces the shaking and shaking of the L drainage pipe 4 caused by water flow impact, prolongs the service life of the equipment, provides additional support and protection, and improves the stability and reliability of the overall structure.
[0032] In this embodiment, the support buffer assembly includes an arc-shaped support plate 17 fixed to the outer wall of the longitudinal portion of the L-shaped support 5, and a support cross plate 18 welded to the inner wall of the bottom end of the arc-shaped support plate 17, one end of the support cross plate 18 away from the arc-shaped support plate 17 is fixed to the outer wall of the L-shaped support 5.
[0033] In this embodiment, an air buffer spring 19 is fixedly connected between the inner wall of the arc-shaped support plate 17 and the outer wall of the L-shaped support 5. The air buffer spring 19 is fixedly connected between the inner wall of the arc-shaped support plate 17 and the outer wall of the L-shaped support 5, which utilizes the characteristics of compressed air inside to effectively absorb impact force and release energy when subjected to pressure, thereby playing a buffering role. The arc-shaped outer wall of the arc-shaped support plate 17 abuts and supports the outer wall of the elbow portion 16 of the L-shaped drain pipe 4. The air buffer spring 19 provides buffering support for the elbow portion 16.
[0034] Working principle
[0035] The temporary foundation pit drainage device of the water conservancy plant dam section is provided with a temporary foundation pit assembly 1 at the water conservancy plant dam section that needs to be drained, which includes a foundation pit support frame 2 and a pit body 3 formed by enclosing. The L-shaped support 5 is inverted and clamped between the top end of the foundation pit support frame 2 and the pit body 3 to ensure its stability. A plurality of pipe clamp seats 8 are fixed on the top surface of the L-shaped support 5, and an L-shaped drain pipe 4 is clamped in the groove of each pipe clamp seat 8. A pipe clamp cover 9 is used to cover the L-shaped drain pipe 4 and is fixedly connected with each pipe clamp seat 8. A locking bolt 10 is used for fixation. One end of the L-shaped drain pipe 4 is connected with a drainage hose 6, and the other end of the drainage hose 6 is connected with an external water pump, so as to drain the water in the pit body 3.
[0036] The moving clamping plate 14 is slidingly connected to the transverse inner top wall of the L-shaped support 5 and clamped to the outer side of the foundation pit support frame 2 to stabilize the position of the L-shaped drain pipe 4. By rotating the screw rod 12, the moving clamping plate 14 is driven to move towards or away from the foundation pit support frame 2, thereby achieving the functions of clamping and loosening the foundation pit support frame 2. The positioning insertion rod 13 is symmetrically welded on the outer wall of the side of the moving clamping plate 14 facing the fixed vertical plate 11, thereby limiting the movement path of the moving clamping plate 14. The rubber buffer base 15 is fixed between the two pipe clamp seats 8 and located on the top surface of the L-shaped support 5, and elastically abuts against the L-shaped drain pipe 4 to provide buffering support.
[0037] The arc-shaped support plate 17 is fixed to the outer wall of the longitudinal portion of the L-shaped support 5 and is further reinforced by the support cross plate 18. The air buffer spring 19 is connected between the inner wall of the arc-shaped support plate 17 and the outer wall of the L-shaped support 5 to provide buffering support for the elbow portion 16, thereby reducing the shaking of the L-shaped drain pipe 4, reducing damage and improving service life.
[0038] Start the external water pump to start pumping water from the pit body 3 through the drainage hose 6 and the L-shaped drain pipe 4 to the designated position.
[0039] It has to be noted that, in the present document, the terms "comprising", "including", and "having" should be interpreted as specifying the presence of the stated features but not precluding the presence of one or more other features. It should also be noted that, in the present document, the term "coupled" or "connected" should not be interpreted as necessarily being limited to a direct connection between two elements. In the present document, the term "coupled" or "connected" can be used to indicate that two elements, components, or modules are in some way connected together or in some way interact with each other.
[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.
Claims
1. A temporary foundation pit drainage device for a water conservancy dam section, comprising a temporary foundation pit assembly (1), characterized in that: The temporary foundation pit assembly (1) comprises a foundation pit support frame (2) and a closed pit body (3), and a drainage assembly (7) is arranged on one side of the top of the temporary foundation pit assembly (1); the drainage assembly (7) comprises an inverted L-shaped support (5) clamped at the top between the foundation pit support frame (2) and the pit body (3), a plurality of pipe clamp seats (8) symmetrically fixed to the top surface of the L-shaped support (5), an L-shaped drainage pipe (4) clamped in the grooves of the plurality of pipe clamp seats (8), and a pipe clamp cover (9) clamped above the L-shaped drainage pipe (4) and fixedly connected with each pipe clamp seat (8). The L-shaped drainage pipe (4) and the L-shaped support (5) are arranged in the same reverse state on the foundation pit support frame (2) and extend into the pit body (3) at one end; a drainage hose (6) is connected to one end of the L-shaped drainage pipe (4) extending into the pit body (3); the other end of the L-shaped drainage pipe (4) is connected to an external water pump to drain water in the pit body (3); a moving clamping plate (14) is slidably connected to the inner top wall of the L-shaped support (5); the moving clamping plate (14) is clamped to the outer side of the foundation pit support frame (2); a driving component is arranged on the L-shaped support (5) to drive the moving clamping plate (14) to move; and a support and buffering assembly is arranged between the L-shaped support (5) and the L-shaped drainage pipe (4).
2. The temporary foundation pit drainage device for the water conservancy dam section according to claim 1, characterized in that: A fixed vertical plate (11) is welded to the inner wall of one end of the L-shaped support (5) away from the pit body (3); the driving component comprises a screw rod (12) penetrating through the fixed vertical plate (11); and one end of the screw rod (12) penetrating through the fixed vertical plate (11) is rotatably connected to the moving clamping plate (14) through a bearing.
3. The temporary foundation pit drainage device for the water conservancy dam section of claim 2, characterized in that: A positioning component is arranged between the moving clamping plate (14) and the fixed vertical plate (11); and the positioning component is used to limit the movement path of the moving clamping plate (14) when the moving clamping plate (14) moves between the fixed vertical plate (11) and the L-shaped support (5).
4. The temporary foundation pit drainage device for the water conservancy dam section of claim 3, characterized in that: The positioning component comprises two positioning insertion rods (13) symmetrically welded to the outer wall of one side of the moving clamping plate (14) facing the fixed vertical plate (11); and one end of each of the two positioning insertion rods (13) extends to the outer side of the fixed vertical plate (11) away from the moving clamping plate (14).
5. The temporary foundation pit drainage device for the water conservancy dam section of claim 4, characterized in that: A rubber buffering base (15) is fixedly installed on the top surface of the L-shaped support (5) between the two pipe clamp seats (8); and the groove in the top of the rubber buffering base (15) elastically abuts upwardly against the L-shaped drainage pipe (4) to provide buffering support for the L-shaped drainage pipe (4).
6. The temporary foundation pit drainage device for the water conservancy dam section of claim 5, characterized in that: The support and buffering assembly comprises an arc-shaped support plate (17) fixed to the outer wall of the longitudinal part of the L-shaped support (5) and a support cross plate (18) welded to the inner wall of the bottom end of the arc-shaped support plate (17); and one end of the support cross plate (18) away from the arc-shaped support plate (17) is fixed to the outer wall of the L-shaped support (5).
7. The temporary foundation pit drainage device for the water conservancy dam section of claim 6, characterized in that: An air buffering spring (19) is fixedly connected between the inner wall of the arc-shaped support plate (17) and the outer wall of the L-shaped support (5).
8. The temporary foundation pit drainage device for the water conservancy dam section of claim 7, characterized in that: The arc-shaped outer wall of the arc-shaped supporting plate (17) is abutted and supported on the outer wall of the bend pipe part (16) of the L-shaped drain pipe (4). The air buffer spring (19) is provided for the buffer support of the bend pipe part (16).