Civil engineering foundation pit drainage device

Abstract

The utility model discloses a civil engineering foundation pit drainage device which relates to the technical field of foundation pit drainage and comprises a drainage pump, the water inlet end of the drainage pump is fixedly connected with a conveying water pipe, the end, away from the drainage pump, of the conveying water pipe is rotationally communicated with a filtering pipe head, and a plurality of filtering holes are evenly formed in the outer surface of the filtering pipe head. An inner shaft bracket is fixedly connected to the inner wall of the end, away from the draining pump, of the conveying water pipe, a turbine is rotationally connected to the inner shaft bracket, a connecting sleeve is fixedly connected to the bottom surface of the turbine, and the outer side of the connecting sleeve is fixedly connected with the inner wall of the top of the filter pipe head. Accumulated water in a foundation pit is conveyed and discharged outwards through the conveying water pipe by starting the drainage pump, blades of the turbine are impacted under the action of water flow, so that the turbine generates torque around a shaft, the turbine and the filtering pipe head are driven to rotate, local water flow disturbance is formed near the filtering pipe head, silt is difficult to accumulate stably at filtering holes, and the filtering effect of the foundation pit is improved. And the probability that the filtering holes are directly covered and blocked by silt is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foundation pit drainage, more specifically, the utility model relates to a civil engineering foundation pit drainage device. BACKGROUND

[0002] The foundation pit is a soil pit excavated at the foundation design position according to the foundation elevation and the foundation plane size, is the space below the ground surface excavated for the construction of the building foundation and basement, in order to guarantee the construction safety and the convenience of construction, the underground water seeped out or the rainwater accumulated during excavation needs to be pumped out from the foundation pit, currently, the commonly used water pumping equipment is composed of a water pump, a filter screen and a water pipe, when in use, the mud and sand in the foundation pit is easy to block the filter holes, which affects the water pumping efficiency, and the water pump may be damaged seriously. SUMMARY

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a civil engineering foundation pit drainage device to solve the problem that the mud and sand in the foundation pit is easy to block the filter holes during the drainage process of the water pumping equipment, which affects the water pumping efficiency.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a civil engineering foundation pit drainage device, which comprises a drainage pump, the water inlet end of the drainage pump is fixedly connected with a conveying water pipe, the end of the conveying water pipe away from the drainage pump is rotatably connected with a filter pipe head, a plurality of filter holes are uniformly formed in the outer surface of the filter pipe head, an inner shaft support is fixedly connected to the inner wall of the end of the conveying water pipe away from the drainage pump, a turbine is rotatably connected to the inner shaft support, a connecting sleeve is fixedly connected to the bottom surface of the turbine, the outer side of the connecting sleeve is fixedly connected with the inner wall of the top of the filter pipe head, a supporting frame is fixedly sleeved with the end of the conveying water pipe away from the drainage pump, and a weight base is fixedly connected to the bottom of the supporting frame.

[0005] Preferably, the outer side of the filter pipe head is provided with a sleeve, the outer surface of the sleeve is fixedly connected with a connecting rod one, the end of the connecting rod one away from the sleeve is fixedly connected to the supporting frame, and a scraper is welded to the inner side of the sleeve.

[0006] Preferably, the filter pipe head and the sleeve are suspended above the weight base.

[0007] Preferably, the scraper is a spiral structure.

[0008] Preferably, a connecting rod two is fixedly connected to the inner shaft support, a cleaning plate is fixedly connected to the end of the connecting rod two away from the inner shaft support, and a plurality of bristles are uniformly distributed on the outer surface of the cleaning plate.

[0009] Preferably, the axis of the cleaning plate and the filter pipe head overlaps, and the bristles are arranged along the outer arc surface of the cleaning plate.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses a water flow is under the action of the blade of the impact turbine, makes the turbine produce the torque of the rotation of the axle, thereby drive turbine and filter pipe head rotate, forms the local water flow disturbance in the vicinity of filter pipe head, makes the silt difficult to stably accumulate at the filter hole, reduces the probability that silt directly covers and blocks the filter hole.

[0012] The utility model discloses the setting of support frame, heavy bottom disc makes filter pipe head suspend in the water, avoids filter pipe head and silt deposition position close contact, further reduces the possibility of filter hole blockage.

[0013] The utility model discloses the scraping of the scraping plate to the surface of filter pipe head in the process of filter pipe head rotation, can avoid silt blockage at the filter hole, further improves the anti - jamming effect.

[0014] The utility model discloses the setting of the scraping plate is spiral structure, by the rotation of filter pipe head, can guide the silt that accumulates on the filter hole and move downward along the spiral direction of scraping plate, removes from the surface of filter pipe head, further improves the anti - jamming effect.

[0015] The utility model discloses the rotation of filter pipe head, and the bristles on the cleaning plate will have relative displacement, and the silt is cleaned outward from the filter hole to the bristles, further improves the anti - jamming effect. ACCURATE DRAWINGS

[0016] Figure 1 It is the front view of the main body structure of the utility model;

[0017] Figure 2 It is the related structure perspective of the water inlet of the water delivery pipe of the utility model;

[0018] Figure 3 It is the related structure diagram of filter pipe head of the utility model;

[0019] Figure 4 It is the sleeve, connecting rod and scraping plate structure cooperation schematic diagram of the utility model.

[0020] SYMBOLS

[0021] 1, drainage pump; 2, conveying water pipe; 3, filter pipe head; 4, filter hole; 5, inner shaft support; 6, turbine; 7, connecting sleeve; 8, support frame; 9, heavy chassis; 10, sleeve; 11, connecting rod one; 12, scraper; 13, connecting rod two; 14, cleaning plate; 15, brush. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical schemes and advantages of the utility model clearer, specific embodiments will be described in detail below with reference to the drawings.

[0023] As shown in the accompanying Figure 1 to the accompanying Figure 4 The embodiment of the utility model provides a kind of civil engineering foundation pit drainage device, including drainage pump 1, the water inlet end of drainage pump 1 is fixedly connected with conveying water pipe 2, the end of conveying water pipe 2 away from drainage pump 1 is rotatably connected with filter pipe head 3, the outer surface of filter pipe head 3 is evenly provided with several filter holes 4, the inner wall of the end of conveying water pipe 2 away from drainage pump 1 is fixedly connected with inner shaft support 5, inner shaft support 5 is rotatably connected with turbine 6, the bottom of turbine 6 is fixedly connected with connecting sleeve 7, the inner wall of the top of connecting sleeve 7 and filter pipe head 3 is fixedly connected, the end of conveying water pipe 2 away from drainage pump 1 is fixedly sleeved with support frame 8, and the bottom of support frame 8 is fixedly connected with heavy chassis 9.

[0024] Wherein, by starting drainage pump 1, the accumulated water in foundation pit is conveyed outward through conveying water pipe 2, under the action of water flow, the blade of turbine 6 is impacted, so that turbine 6 generates torque around shaft, thereby driving turbine 6 to rotate, synchronously driving turbine 6 to rotate through filter pipe head 3 fixed by connecting sleeve 7, so as to form local water flow disturbance near filter pipe head 3, so that mud and sand is difficult to stably accumulate at filter hole 4, the probability that mud and sand directly covers and blocks filter hole 4 is reduced, and by the setting of support frame 8 and heavy chassis 9, filter pipe head 3 is suspended in accumulated water, so that filter pipe head 3 is prevented from being in close contact with mud and sand deposition position, thereby further reducing the possibility of filter hole 4 blockage.

[0025] Preferably, the outer side of filter pipe head 3 is provided with sleeve 10, the outer surface of sleeve 10 is fixedly connected with connecting rod one 11, the end of connecting rod one 11 away from sleeve 10 is fixedly connected on support frame 8, the inner side of scraper 12 welded with sleeve 10 is in close contact with the outer surface of filter pipe head 3.

[0026] Wherein, in the process of filter pipe head 3 rotating, the surface of filter pipe head 3 is scraped by scraper 12, so that mud and sand is prevented from being blocked at filter hole 4, and the anti-blocking effect is further improved.

[0027] Preferably, filter pipe head 3 and sleeve 10 are suspended above heavy chassis 9.

[0028] Preferably, the scraper 12 is a spiral structure, by rotating the filter pipe head 3, the accumulated silt on the filter hole 4 can be guided to move downward along the spiral direction of the scraper 12, and be removed from the surface of the filter pipe head 3, further improving the anti-blocking effect.

[0029] Preferably, the inner shaft support 5 is fixedly connected with a connecting rod two 13, and the connecting rod two 13 is fixedly connected with a cleaning plate 14 at an end away from the inner shaft support 5, and the outer surface of the cleaning plate 14 is uniformly distributed with a plurality of bristles 15.

[0030] Preferably, the axis line between the cleaning plate 14 and the filter pipe head 3 overlaps, and the bristles 15 are arranged along the outer arc surface of the cleaning plate 14.

[0031] Specifically, by rotating the filter pipe head 3, the bristles 15 on the cleaning plate 14 will be relatively displaced, so that the bristles 15 push the silt outward from the inner side of the filter hole 4, so as to clean the filter hole 4, and further improve the anti-blocking effect.

[0032] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0033] Secondly: the utility model discloses the embodiment figure, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0034] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A civil foundation pit drainage device, comprising a drainage pump (1), a water delivery pipe (2) is fixedly connected to the water inlet end of the drainage pump (1), characterized in that, The conveying water pipe (2) is rotatably connected with the filter pipe head (3) away from the drainage pump (1), the outer surface of the filter pipe head (3) is uniformly provided with a plurality of filter holes (4), the inner wall of the conveying water pipe (2) is fixedly connected with the inner shaft support (5) away from the drainage pump (1), the inner shaft support (5) is rotatably connected with the turbine (6), the bottom surface of the turbine (6) is fixedly connected with the connecting sleeve (7), the outer side of the connecting sleeve (7) is fixedly connected with the inner wall of the top of the filter pipe head (3), the conveying water pipe (2) is fixedly sleeved with the support frame (8) away from the drainage pump (1), and the bottom of the support frame (8) is fixedly connected with the weight bottom disc (9).

2. The civil foundation pit drainage device according to claim 1, characterized in that, The outer side of the filter pipe head (3) is provided with the sleeve (10), the outer surface of the sleeve (10) is fixedly connected with the connecting rod one (11), one end of the connecting rod one (11) away from the sleeve (10) is fixedly connected with the support frame (8), the inner side of the sleeve (10) is welded with the scraper (12), and the inner side of the scraper (12) is attached to the outer surface of the filter pipe head (3).

3. The civil foundation pit drainage device according to claim 2, characterized in that, The filter pipe head (3) and the sleeve (10) are suspended above the weight bottom disc (9).

4. The civil foundation pit drainage device according to claim 2, characterized in that, The scraper (12) is a spiral structure.

5. The civil foundation pit drainage device according to claim 1, characterized in that, The inner shaft support (5) is fixedly connected with the connecting rod two (13), one end of the connecting rod two (13) away from the inner shaft support (5) is fixedly connected with the cleaning plate (14), and the outer surface of the cleaning plate (14) is uniformly distributed with a plurality of bristles (15).

6. The civil foundation pit drainage device according to claim 5, characterized in that, The axis line between the cleaning plate (14) and the filter pipe head (3) overlaps, and the bristles (15) are arranged along the outer side of the arc surface of the cleaning plate (14).

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