Special water pumping equipment for reinforcing steel bar dense foundation pit
By designing an automatically controlled submersible pump and water filter system, the problem of water accumulation in shallow water in dense steel foundation pits is difficult to clean, and efficient and safe water pumping effect is achieved. It is suitable for shallow water accumulation in dense steel foundation pits in dense steel foundation pits in construction. Area cleaning.
Patent Information
- Application Number
- CN202420940529.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-03
- Publication Date
- 2024-12-20
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During construction projects, it is difficult to clean up water in shallow water areas with dense steel bars. The existing submersible pump cannot effectively solve this problem, and the self-priming pump is not safe to use in humid environments.
A water pumping equipment including sealed box, submersible pump, water filter and water level controller is designed. The water level controller automatically controls the opening and closing of the submersible pump to realize the automatic discharge of water accumulated in the sealed box, and combines with an external water filter. and water pipe structure, suitable for cleaning shallow water accumulation areas of dense foundation pits with reinforced steel bars.
It realizes efficient and safe cleaning of shallow water accumulation in dense steel foundation pits, avoids manual control of pump opening and closing steps, and improves construction quality and equipment service life.
Smart Images
Figure CN222206430U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a water pumping controller, in particular to a special water pumping device for a foundation pit with dense steel bars in construction engineering. Background Art
[0002] In the construction of building projects, after the foundation raft slab steel bars are tied, a large amount of groundwater or rainwater often accumulates under the raft slab steel mesh. This accumulated water seriously affects the construction quality of the foundation raft slab. In the prior art, the usual practice is to use a submersible pump to be placed under the foundation pit foundation raft slab steel mesh for pumping water. However, the dense steel bars on the foundation raft slab make it difficult for the commonly used submersible pump to be placed in the raft slab. Even if some of the steel bars are removed to put the submersible pump in the raft slab, due to the high height of the conventional submersible pump water filter net, there are still several centimeters of accumulated water that cannot be pumped out, and the main unit of the submersible pump must be immersed in water to work normally. In this case, if the person responsible for pumping water is not responsible or negligent, when the accumulated water in the foundation pit cannot be pumped out, the power supply is not immediately cut off, which can easily cause the submersible pump to burn out. If a self-priming pump is used instead, since the self-priming pump is not water-cooled, its outer casing is easily electrocuted when it is damp or contacts rainwater. Therefore, the self-priming pump is not suitable for use in the humid and watery environment of the raft slab foundation pit.
[0003] A Chinese patent document with announcement number CN202918132 U (patent number 2012204790138, published on May 1, 2013) discloses a water jacket submersible pump heat dissipation device, which includes a motor, a submersible pump heat dissipation device body, a water jacket, a water outlet, a water jacket water inlet pipe, and a water jacket drain pipe. The motor is installed on the submersible pump heat dissipation device body, the submersible pump heat dissipation device body has a water outlet, and the water outlet has a water jacket water inlet pipe and a water jacket drain pipe; the water jacket water inlet pipe and the water jacket drain pipe are connected to the water jacket, and the water jacket is installed on the motor. This water jacket type submersible pump heat dissipation device has the following three shortcomings: 1. The submersible pump is not fully immersed in water when working. When the submersible pump works in shallow water, some parts are still exposed to the air. These parts will generate a certain amount of heat over time, which is very unfavorable for the heat dissipation of the submersible pump. When the heat accumulates to a certain extent, it will cause the submersible pump motor coil to burn; 2. On the basis of the existing submersible pump, a water jacket structure is added, which is troublesome to process and manufacture, and inconvenient to construct and operate; 3. The use of this water jacket type submersible pump heat dissipation device still cannot solve the precipitation problem of the foundation pit structure with dense steel bars and shallow water areas. This submersible pump device adds a water jacket, increases the volume, and is more difficult to put into the raft with dense steel bars. Even if it is put into a shallow water area, due to the high height of the water filter net of this submersible pump device, there are still several centimeters of accumulated water that cannot be pumped out. Therefore, it is urgent to provide a submersible pumping device that can work normally in shallow water areas and can completely remove the accumulated water in the foundation pit with dense steel bars. Utility Model Content
[0004] The purpose of the utility model is to provide a special pumping equipment for foundation pits with dense steel bars in response to the needs and shortcomings of the current development of foundation pit pumping technology, to solve the problem that shallow water in foundation pits with dense steel bars is difficult to clean, to achieve high-efficiency cleaning of water accumulated in foundation pits with dense steel bars, and to avoid affecting the construction quality of the raft foundation due to the failure to clear the accumulated water.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a special pumping equipment for a steel-dense foundation pit, including a sealing box, a submersible pump, a water filter, and a water pipe; the sealing box is composed of an upper chamber and a lower chamber, an upper cover is arranged on the top of the upper chamber, a sealing ring is arranged under the upper cover, a water pipe port is installed at the end of the upper cover away from the submersible pump, the water pipe port extends outward from the upper cover by no less than 5 cm and is connected to the water pipe; the upper chamber and the lower chamber are separated by a transverse partition, and an L-shaped vertical partition is installed on the transverse partition below the water pipe port in the upper cover, and a water passage hole is opened at the other end away from the vertical partition; the The two sides of the vertical partition are connected to the adjacent two sides of the upper chamber of the sealing box to form a corner cavity, and its height is not less than two-thirds of the height of the upper chamber; the water level controller is placed in the corner cavity; the submersible pump is placed vertically in the upper chamber of the sealing box, and its lower end filter cover extends through the water hole into the lower chamber of the sealing box, and its lower end impeller chamber is sealed and connected to the transverse partition; a water injection pipe is arranged on the side wall of the lower chamber close to the submersible pump, and a plug is matched at the top of the water injection pipe; a water pipe mouth is arranged on the opposite side wall of the water injection pipe, a water pipe is connected to the outside of the water pipe mouth, and an external water filter is connected to the outside of the water pipe.
[0006] Preferably, the external water filter described in the utility model consists of a water storage box, a water filter hose, a water pipe outlet, and a water pipe. The water storage box is a closed box body, the bottom of which is connected to no less than four water filter hoses, and a water pipe outlet is arranged in the middle part of the upper part, the water pipe outlet is connected to a water pipe, and the water pipe is connected to the water pipe outlet on the side of the sealing box away from the water injection pipe.
[0007] Furthermore, one end of the water filter hose away from the water storage box is covered with filter holes along the periphery of the hose.
[0008] Furthermore, the water level controller is vertically placed in the corner cavity surrounded by the L-shaped vertical partition in the upper chamber and the outer wall of the sealing chamber, and its height is approximately half of the height of the upper chamber; the water level controller is connected to the submersible pump through a controller and controls the opening and closing of the submersible pump; when the water level in the sealing box reaches the set liquid level of the water level controller, the water level controller sends a signal to the submersible pump through the controller, and the submersible pump starts after receiving the signal, and automatically discharges the accumulated water in the sealing box out of the sealing box; when the liquid level of the accumulated water inside the sealing box is lower than the set liquid level of the water level controller, the water level controller sends a signal to the submersible pump through the controller, and the submersible pump shuts down after receiving the signal, and the accumulated water inside the sealing box is no longer discharged, thereby realizing automatic control of drainage, eliminating the steps of manually controlling the opening and closing of the water pump, and saving manpower.
[0009] Compared with the prior art, the utility model has the advantages of simple structure, safe and reliable use, low failure rate, long service life and wide application range, and can be used for automatic water pumping in various foundation pits. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0011] Figure 1 The utility model is a top view of the special pumping equipment for foundation pit with dense steel bars without the upper cover.
[0012] Figure 2 This utility model is a special pumping equipment for steel bar dense foundation pit Figure 1 Sectional view along line AA.
[0013] Figure 3 This is a partial enlarged view of the external water filter of the special pumping equipment for steel bar dense foundation pit of the utility model.
[0014] In the figure: 1-external water filter, 11-water storage box, 12-water filter hose, 13-filter hole, 2-water pipe outlet, 3-water pipe, 4-sealing box, 41-sealing ring, 42-fixing screw, 43-upper cover, 44-plug, 45-upper chamber, 46-water injection pipe, 47-lower chamber, 48-transverse partition, 481-water hole, 49-vertical partition, 491-corner cavity, 5-water level controller, 6-submersible pump, 61-handle, 62-power cord, 63-impeller chamber, 64-sealing pad, 65-filter cover. DETAILED DESCRIPTION
[0015] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0016] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model should be understood according to the specific circumstances.
[0017] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0018] like Figure 1 As shown, the sealing box 4 is composed of an upper chamber 45 and a lower chamber 47. An upper cover 43 is arranged on the top of the upper chamber 45, and a sealing ring 41 is arranged under the upper cover (43). A water pipe port 2 is installed at the end of the upper cover 43 away from the submersible pump 6, and the water pipe port 2 extends outward from the upper cover 43 by no less than 5 cm and is connected to the water pipe 3; the upper chamber 45 and the lower chamber 47 are separated by a transverse partition 48, and an L-shaped vertical partition 49 is installed on the transverse partition 48 below the water pipe port 2 in the upper cover 43, and a water hole 481 is opened at the other end away from the vertical partition 49; two sides of the vertical partition 49 are connected to the adjacent two side sides of the upper chamber 45 of the sealing box 4 to form an angle The water level controller 5 is placed in the corner cavity 491; the submersible pump 6 is placed vertically in the upper chamber 45 of the sealing box 4, with its handle (61) at the top, and its lower end filter cover 65 extends through the water hole 481 into the lower chamber 47 of the sealing box 4, and its lower end impeller chamber 63 is sealed and connected to the diaphragm 48; a water injection pipe 46 is arranged on the side wall of the lower chamber 47 close to the submersible pump 6, and a plug 44 is matched at the top of the water injection pipe 46; a water pipe port 2 is arranged on the opposite side wall of the water injection pipe 46, and a water pipe 3 is connected to the outside of the water pipe port 2, and an external water filter 1 is connected to the outside of the water pipe 3.
[0019] The external water filter 1 is composed of a water storage box 11, a water filter hose 12, a water pipe port 2, and a water pipe 3. The water storage box 11 is a closed box body, and its lower bottom is connected to no less than four water filter hoses 12. A water pipe port 2 is arranged in the middle part of the upper part, and the water pipe port 2 is connected to a water pipe 3. The water pipe 3 is then connected to the water pipe port 2 on the side of the sealing box 4 away from the water injection pipe 46.
[0020] The end of the water filter hose 12 away from the water storage box 11 is covered with filter holes 13 along the circumference of the tube.
[0021] The water level controller 5 is vertically placed in the cavity 491 at the corner of the upper chamber 45, and its height is about half of the height of the upper chamber 45; the water level controller 5 is connected to the submersible pump 6 through a controller and controls the opening and closing of the submersible pump 6; when the water level in the sealing box 4 reaches the set liquid level of the water level controller 5, the water level controller 5 sends a signal to the submersible pump 6 through the controller, and the submersible pump 6 starts after receiving the signal, and automatically discharges the accumulated water in the sealing box 4 out of the sealing box 4; when the liquid level of the accumulated water inside the sealing box 4 is lower than the set liquid level of the water level controller 5, the water level controller 5 sends a signal to the submersible pump 6 through the controller, and the submersible pump 6 is closed after receiving the signal, and the accumulated water inside the sealing box 4 is no longer discharged, thereby realizing automatic control of drainage, eliminating the steps of manually controlling the opening and closing of the water pump, and saving manpower.
[0022] In actual operation, open the upper cover 43 of the sealing box 4, place the submersible pump 6 vertically in the upper chamber 45 of the sealing box 4, extend the filter screen cover 65 at the lower end through the water hole 481 into the lower chamber 47 of the sealing box 4, and seal the impeller chamber 63 at the lower end with the diaphragm 48. The lower part of the impeller chamber 63 is provided with a sealing gasket 64, and the submersible pump 6 is fixed to the diaphragm 48 with the fixing screw 42. Use the water pipe 3 to connect the water pipe port 2 of the upper cover 43 of the sealing box 4, drag the water pipe 3 to a place suitable for placing the pumped water, and then use the water pipe 3 to connect the water pipe port 2 set on the side wall of the sealing box 4 opposite the water injection pipe 46, and connect the other end of the water pipe 3 to an external water filter 1, and put the external water filter 1 into the foundation pit water and fix it. The water level controller 5 is vertically placed in the corner cavity 491 surrounded by the vertical partition 49 in the upper chamber 45 and the outer wall of the sealed chamber, and then the controller of the water level controller 5 is connected to the submersible pump 6 to control the opening and closing of the submersible pump 6; the upper cover 43 of the sealed box 4 is covered, the power cord 62 of the submersible pump 6 is connected to the power controller and the external main power supply, the water filling pipe 46 on the side wall of the sealed box 4 is filled with water, and the plug 44 at the upper end is tightened, and then the power of the submersible pump 6 is turned on to make the submersible pump 6 start pumping water. In the normal pumping process, when the water level in the sealed box 4 reaches the set level of the water level controller 5, the water level controller 5 sends a signal to the submersible pump 6 through the controller, and the submersible pump 6 starts after receiving the signal, and automatically discharges the accumulated water in the sealed box 4 out of the sealed box 4; when the liquid level of the accumulated water inside the sealed box 4 is lower than the set level of the water level controller 5, the water level controller 5 sends a signal to the submersible pump 6 through the controller, and the submersible pump 6 shuts down after receiving the signal, and the accumulated water inside the sealed box 4 is no longer discharged, thereby realizing automatic control of drainage. When the water level in the sealed box 4 reaches the set level of the water level controller 5 again, the previous automatic pumping cycle can be repeated.
[0023] The pumping device of the utility model realizes the integrated operation of water absorption, filtration and drainage, and is suitable for cleaning shallow water accumulation areas in the foundation pit with dense steel bars of the raft foundation of construction construction. It has unique advantages, especially for the 1-2 cm deep foundation pit water accumulation that cannot be cleaned by general submersible pumps 6 and self-priming pumps, and has extremely high cleaning efficiency.
[0024] The above specific examples are used to explain the principle and implementation of the utility model in detail. These embodiments are only used to help understand the core technical content of the utility model, and are not used to limit the protection scope of the utility model. The technical solution of the utility model is not limited to the above specific implementation. Based on the above specific embodiments of the utility model, any improvements and modifications made by technicians in this technical field without departing from the principle of the utility model should fall within the patent protection scope of the utility model.
Claims
1. A special pumping equipment for a foundation pit with dense steel bars, comprising a sealing box, a submersible pump, a water filter, and a water pipe, characterized in that: The sealing box (4) is composed of an upper chamber (45) and a lower chamber (47). An upper cover (43) is arranged on the top of the upper chamber (45). A sealing ring (41) is arranged under the upper cover (43). A water pipe port (2) is installed at one end of the upper cover (43) away from the submersible pump (6). The water pipe port (2) extends outward from the upper cover (43) by no less than 5 cm and is connected to the water pipe (3). The upper chamber (45) and the lower chamber (47) are separated by a transverse partition (48). An L-shaped vertical partition (49) is installed on the transverse partition (48) below the water pipe port (2) in the upper cover (43) and a water passage hole (481) is opened at the other end away from the vertical partition (49). Two sides of the vertical partition (49) are connected to the adjacent two side sides of the upper chamber (45) of the sealing box (4) to surround the water pipe port (2). A corner cavity (491) is formed, and its height is not less than two-thirds of the height of the upper chamber (45); the water level controller (5) is placed in the corner cavity (491); the submersible pump (6) is placed vertically in the upper chamber (45) of the sealing box (4), and its lower end filter screen cover (65) extends through the water hole (481) into the lower chamber (47) of the sealing box (4), and its lower end impeller chamber (63) is sealed and connected to the diaphragm (48); a water injection pipe (46) is arranged on the side wall of the lower chamber (47) close to the submersible pump (6), and a plug (44) is matched at the top of the water injection pipe (46); a water pipe opening (2) is arranged on the opposite side wall of the water injection pipe (46), and a water pipe (3) is connected to the outside of the water pipe opening (2), and an external water filter (1) is connected to the outside of the water pipe (3).
2. The special pumping equipment for steel bar dense foundation pit according to claim 1 is characterized by: The external water filter (1) is composed of a water storage box (11), a water filter hose (12), a water pipe opening (2), and a water pipe (3). The water storage box (11) is a sealed box body, the bottom of which is connected to no less than four water filter hoses (12), and a water pipe opening (2) is arranged in the middle of the upper part of the water storage box. The water pipe opening (2) is connected to a water pipe (3), and the water pipe (3) is further connected to the water pipe opening (2) on the side of the sealing box (4) away from the water injection pipe (46).
3. The special pumping equipment for steel bar dense foundation pit according to claim 2 is characterized by: The end of the water filter hose (12) away from the water storage box (11) is covered with filter holes (13) along the circumference of the hose.
4. The special pumping equipment for steel bar dense foundation pit according to claim 1 is characterized by: The water level controller (5) is vertically placed in a corner cavity (491) enclosed by a vertical partition (49) in the upper chamber (45) and an outer wall of the sealing chamber, and its height is approximately half the height of the upper chamber (45); the water level controller (5) is connected to the submersible pump (6) through a controller and controls the opening and closing of the submersible pump (6); when the water level in the sealing box (4) reaches a set liquid level of the water level controller (5), the water level controller (5) sends a signal to the submersible pump (6) through the controller, and the submersible pump (6) starts after receiving the signal, and automatically discharges the accumulated water in the sealing box (4) out of the sealing box (4); when the liquid level of the accumulated water in the sealing box (4) is lower than the set liquid level of the water level controller (5), the water level controller (5) sends a signal to the submersible pump (6) through the controller, and the submersible pump (6) shuts down after receiving the signal, and the accumulated water in the sealing box (4) is no longer discharged, thereby realizing automatic control of drainage, eliminating the steps of manually controlling the opening and closing of the water pump, and saving manpower.