Foundation pit drainage structure
By introducing filter mesh and spiral plate structure into the foundation pit drainage structure, the problems of screen clogging and large particulate matter entering in the prior art are solved, and the stable and safe operation of foundation pit drainage is achieved.
Patent Information
- Application Number
- CN202323436789.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-18
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-18
AI Technical Summary
After a long time of use, the existing foundation pit drainage structure accumulates debris on the surface of the screen and cannot drain normally. Large particles of stones and debris are prone to enter the pumping pipe, causing equipment damage.
A structure including a drainage groove, a drainage groove, a drainage pump and a filter is designed. The filter is located between the drainage cavity and the collection cavity. The spiral plate structure driven by a liquid level sensor and a driving motor are used to push foreign matter into the collection cavity. , avoid clogging and keep the filter clean.
It effectively reduces the risk of large-grained stones and debris entering the drainage pipe, ensures the normal operation of the filter structure, and ensures the stability and safety of foundation pit drainage.
Smart Images
Figure CN222161333U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foundation pit drainage, in particular to a foundation pit drainage structure. Background Art
[0002] Foundation pit drainage refers to the removal of water from the foundation pit through reasonable drainage measures during foundation pit excavation or construction to keep the foundation pit dry. The purpose of foundation pit drainage is to prevent the water level in the foundation pit from being too high and to avoid groundwater from pouring into the foundation pit, affecting the construction progress and quality.
[0003] The common foundation pit drainage structure is to use a water pump to pump water. In this case, due to the large amount of gravel and debris in the foundation pit, if effective filtration is not performed at the drainage suction port, the gravel and foreign matter will be sucked into the pump or the suction pipe, causing equipment damage. A common protective structure is to set a screen at the end of the drainage pipe for filtration. In the absence of any cleaning structure on the surface of this filtration structure, after long-term use, debris will accumulate on the surface of the screen, which is very likely to cause blockage, and thus the drainage operation cannot be carried out normally. Therefore, in order to ensure the smooth and safe progress of the drainage operation, a filtration structure with a self-cleaning structure needs to be set at the end of the drainage pipe. Utility Model Content
[0004] The utility model aims to provide a foundation pit drainage structure in view of the problems existing in the background technology.
[0005] The technical solution of the utility model is as follows: a foundation pit drainage structure, comprising a drainage ditch and a drainage ditch and a drainage pump opened on the periphery of the bottom of the foundation pit, a drainage pipe being installed on the drainage pump, openings at both ends of the drainage ditch being inclined toward one side of the drainage ditch, the drainage ditch being in the shape of an elongated strip, and the bottom being divided into a drainage chamber and a collecting chamber by a partition, the collecting chamber being located between the drainage chambers, an end plate being fixed to the upper opening of the drainage chamber, an installation groove being opened on the end plate close to the drainage ditch, a filter being fixed to the bottom of the installation groove, a fixed pipe being fixed on and passing through the end plate, and the upper end of the fixed pipe being fixed to the end of the drainage pipe.
[0006] Preferably, a rotating rod is rotatably connected between the installation grooves, spiral plates are fixed at both ends of the rotating rod, and the spiral plates are rotatably connected in the installation grooves.
[0007] Preferably, a driving motor is fixed on the side wall of the drainage ditch and aligned with the middle of the rotating rod, a driving bevel gear is fixed to the output end of the driving motor, and a driven bevel gear meshing with the driving bevel gear is fixed on the rotating rod and at a position corresponding to the driving bevel gear.
[0008] Preferably, the spiral plates at both ends of the rotating rod have opposite spiral directions, so that foreign matter in the installation groove can be pushed toward the closer side.
[0009] Preferably, a liquid level sensor is fixed at the bottom of each end plate, and the liquid level sensor is electrically connected to the drainage pump and driven according to the water level in the drainage cavity to achieve the purpose of automatic control.
[0010] Compared with the prior art, the utility model has the following beneficial technical effects: the drainage ditch is divided into a drainage chamber and a collection chamber, water flows into the drainage chamber through the filter net and is then pumped out, reducing the risk of large particles of stone and debris being pumped into the drainage pipe and causing blockage, and the debris can be discharged into the collection chamber for collection, ensuring that the filtering structure can work normally. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the internal cutaway structure of the foundation pit of the utility model;
[0012] Figure 2 This is a schematic diagram of the internal structure of the drainage ditch of the utility model;
[0013] Figure 3 This is a schematic diagram of the top view of the foundation pit structure of the utility model;
[0014] Figure 4 This is a schematic diagram of the axial structure of the end plate of the utility model.
[0015] Figure numerals: 1. foundation pit; 11. drainage ditch; 12. drainage ditch; 13. drainage chamber; 14. collecting chamber; 2. drainage pump; 3. drainage pipe; 4. partition; 5. end plate; 51. mounting groove; 52. filter screen; 53. fixing pipe; 54. liquid level sensor; 55. rotating rod; 56. spiral plate; 57. driven bevel gear; 6. driving motor; 61. driving bevel gear. DETAILED DESCRIPTION
[0016] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0017] Example
[0018] like Figure 1-4As shown, a foundation pit drainage structure proposed by the utility model includes a drainage ditch 11 and a drainage ditch 12 and a drainage pump 2 opened on the periphery of the bottom of the foundation pit 1, a drainage pipe 3 is installed on the drainage pump 2, the openings at both ends of the drainage ditch 11 are inclined toward one side of the drainage ditch 12, the drainage ditch 12 is in the shape of an elongated strip, and the bottom is divided into a drainage chamber 13 and a collecting chamber 14 by a partition 4, the collecting chamber 14 is located between the drainage chambers 13, an end plate 5 is fixed to the upper opening of the drainage chamber 13, a mounting groove 51 is opened on the side of the end plate 5 close to the drainage ditch 11, a filter screen 52 is fixed to the bottom of the mounting groove 51, a fixed pipe 53 is fixed on and through the end plate 5, the upper end of the fixed pipe 53 is fixed to the end of the drainage pipe 3, a liquid level sensor 54 is fixed to the bottom of the end plate 5, and the liquid level sensor 54 is electrically connected to the drainage pump 2.
[0019] A rotating rod 55 is rotatably connected between the mounting grooves 51, and spiral plates 56 are fixed at both ends of the rotating rod 55. The spiral plates 56 are rotatably connected in the mounting grooves 51. A driving motor 6 is fixed to the side wall of the drainage ditch 12 and aligned with the middle of the rotating rod 55. A driving bevel gear 61 is fixed to the output end of the driving motor 6. A driven bevel gear 57 meshing with the driving bevel gear 61 is fixed on the rotating rod 55 and at a position corresponding to the driving bevel gear 61. The driving bevel gear 61 is driven to rotate by the output end of the driving motor 6. Under the transmission of the driven bevel gear 57, the rotating rod 55 can be driven to rotate. The spiral plates 56 at both ends of the rotating rod 55 have opposite spiral directions. When the rotating rod 55 rotates, the spiral plates 56 can be driven to rotate synchronously, so that foreign matter retained in the mounting groove 51 can be pushed to the side close to it.
[0020] In this embodiment, after the entire device is connected to an external power supply, the water in the foundation pit 1 will enter the drainage ditch 12 through the diversion of the drainage ditch 11. At this time, the accumulated water will enter the installation groove 51 through the end of the drainage ditch 11. After being filtered by the filter screen 52 at the bottom of the installation groove 51, larger particles of foreign matter can be removed, and the accumulated water will pass through the filter screen 52 into the drainage chamber 13. As the liquid level in the drainage chamber 13 continues to rise, when the liquid level sensor 54 detects that the liquid level has reached a specified position, the drainage pump 2 can be used to drive the accumulated water to be discharged through the fixed pipe 53 and the drainage pipe 3 to ensure normal drainage operations. At the same time, the output end of the driving motor 6 is used to drive the driving bevel gear 61 to rotate. Under the transmission of the driven bevel gear 57, the rotating rod 55 can be driven to rotate, and then the spiral plate 56 can be rotated synchronously, so that the foreign matter retained in the installation groove 51 can be pushed to the side close to it until it falls into the collection chamber 14, thereby avoiding the accumulation of foreign matter on the filter screen 52, ensuring the normal operation of the filtering structure, and making the drainage of the entire foundation pit 1 stable.
[0021] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
Claims
1. A foundation pit drainage structure, comprising a drainage ditch (11) and a drainage ditch (12) provided at the periphery of the bottom of a foundation pit (1) and a drainage pump (2), characterized in that: A drainage pipe (3) is installed on the drainage pump (2). The openings at both ends of the drainage groove (11) are inclined toward one side of the drainage groove (12). The drainage groove (12) is in the shape of an elongated strip and is divided into a drainage chamber (13) and a collection chamber (14) at the bottom by a partition (4). The collection chamber (14) is located between the drainage chambers (13). An end plate (5) is fixed to the upper opening of the drainage chamber (13). A mounting groove (51) is provided on the side of the end plate (5) close to the drainage groove (11). A filter screen (52) is fixed to the bottom of the mounting groove (51). A fixed pipe (53) is fixed on and passes through the end plate (5). The upper end of the fixed pipe (53) is fixed to the end of the drainage pipe (3).
2. A foundation pit drainage structure according to claim 1, characterized in that: A rotating rod (55) is rotatably connected between the installation grooves (51), and spiral plates (56) are fixed at both ends of the rotating rod (55), and the spiral plates (56) are rotatably connected in the installation grooves (51).
3. A foundation pit drainage structure according to claim 2, characterized in that: A driving motor (6) is fixed on the side wall of the drainage ditch (12) and aligned with the middle of the rotating rod (55); a driving bevel gear (61) is fixed to the output end of the driving motor (6); and a driven bevel gear (57) meshing with the driving bevel gear (61) is fixed on the rotating rod (55) and at a position corresponding to the driving bevel gear (61).
4. A foundation pit drainage structure according to claim 2, characterized in that: The spiral plates (56) at both ends of the rotating rod (55) have opposite spiral directions.
5. A foundation pit drainage structure according to claim 1, characterized in that: A liquid level sensor (54) is fixed to the bottom of each end plate (5), and the liquid level sensor (54) is electrically connected to the drainage pump (2).