Deep foundation pit drainage device

Abstract

The utility model discloses a deep foundation pit drainage device which comprises a motor fixedly installed on the top of a base and a pump body fixedly installed on the top of the base, an output shaft of the motor is fixedly connected with the pump body, and a blocking cover assembly is arranged on the outer side of the connecting position of the motor and the pump body. The blocking cover assembly comprises a fixing cover, a middle groove, a torsional spring connecting base, a turning cover plate, a supporting protruding block and a blocking piece, the bottom end of the fixing cover is fixed to the top face of the base, the middle groove is formed in the middle of the top end of the fixing cover, and one end of the middle groove is rotationally connected with the turning cover plate through the torsional spring connecting base; when the joint between the motor and the pump body is overhauled and maintained, the blocking cover assembly I does not need to be wholly disassembled, only the blocking piece needs to be shifted to be moved away from the top of the turning cover plate, the turning cover plate is opened, personnel can overhaul and maintain the joint between the motor and the pump body through the opened middle groove at the moment, external auxiliary tools are not needed in the whole process, and the maintenance efficiency is greatly improved. And convenience is brought to personnel.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit drainage, and particularly relates to a deep foundation pit drainage device. Background Technique

[0002] A deep foundation pit refers to an engineering project that needs to excavate a relatively deep underground space during building construction for constructing underground structures or underground facilities. During the construction of a deep foundation pit, water is likely to accumulate at the bottom. At this time, drainage of the deep foundation pit is required. The common method is to directly use a pump to pump out the water inside the deep foundation pit. The pump generally consists of a base, a motor, and a pump body. A shielding cover is generally provided between the motor and the pump body to play a shielding role.

[0003] Personnel need to regularly remove the shielding cover to repair and maintain the connection between the motor and the pump body. However, the existing shielding covers are mostly directly fixed on the base with bolts. Under this design, the disassembly and assembly of the shielding cover are not convenient enough, and external auxiliary tools are required during disassembly and assembly, which brings inconvenience to the disassembly and assembly personnel. Therefore, a new pump needs to be designed to solve this problem. Content of the Utility Model

[0004] The purpose of the utility model is to provide a deep foundation pit drainage device to solve the problem of inconvenient disassembly and assembly of the shielding cover on the pump proposed in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A deep foundation pit drainage device, including a motor fixedly installed on the top of the base and a pump body fixedly installed on the top of the base. The output shaft of the motor is fixedly connected to the pump body. A shielding cover assembly is arranged outside the connection between the motor and the pump body. The shielding cover assembly includes a fixed cover, a middle groove, a torsion spring connection seat, a flip cover plate, a support convex block, and a baffle. The bottom end of the fixed cover is fixed on the top surface of the base. The middle groove is opened in the middle of the top end of the fixed cover. One end of the middle groove is rotationally connected with a flip cover plate through a torsion spring connection seat. The support convex blocks are symmetrically fixed on the inner wall of the middle groove and are lapped with the lower surface of the flip cover plate. The baffle is slidably connected to the top end of the fixed cover and blocks the top surface of the other end of the flip cover plate.

[0006] Preferably, the shielding cover assembly further includes a slider and a chute. The slider is fixed on the bottom surface of the baffle and is slidably connected to the chute opened on the top surface of the fixed cover.

[0007] Preferably, the shielding cover assembly further includes a damping groove opened on the top surface of the baffle.

[0008] Preferably, a limiting block is fixed at the bottom end of the slider, and a limiting groove is opened on the bottom surface of the chute. The limiting block and the limiting groove are mutually clamped.

[0009] Preferably, a water pipe is connected to the other side of the pump body, and the tail end of the water pipe is connected to a water pumping head assembly. The water pumping head assembly includes a water pumping outer cover, a fixing piece, a bolt, and a filter mesh cover. The tail end of the water pipe is inserted into the interior of the water pumping outer cover. The fixing piece is fixed on the outer surface of the tail end of the water pipe and is fixedly connected to the upper surface of the water pumping outer cover through the bolt. The filter mesh cover is arranged on the surface of the water pumping outer cover.

[0010] Preferably, the water pumping head assembly further includes a rubber buffer pad, and the rubber buffer pad is fixed at the bottom end of the water pumping outer cover.

[0011] Preferably, the water pumping head assembly further includes an inner cover and blades. The inner cover is fixed inside the water pumping outer cover, and the blades are rotatably connected inside the inner cover.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] When performing maintenance on the connection between the motor and the pump body, it is not necessary to remove the entire shield assembly. Only need to move the baffle from the top of the flip cover plate, and the flip cover plate opens. At this time, personnel can perform maintenance on the connection between the motor and the pump body through the open middle groove. The whole process does not require external auxiliary tools, which brings convenience to personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional schematic diagram of the present utility model;

[0015] Figure 2 is a side sectional view of the shield assembly of the present utility model;

[0016] Figure 3 is a front sectional view of the water pumping head assembly of the present utility model;

[0017] In the figure: 100, base; 200, motor; 300, pump body; 400, shield assembly; 401, fixed cover; 402, middle groove; 403, torsion spring connection seat; 404, flip cover plate; 405, support bump; 406, baffle; 407, slider; 408, chute; 500, water pipe; 600, water pumping head assembly; 601, water pumping outer cover; 602, fixing piece; 603, bolt; 604, filter mesh cover; 605, inner cover; 606, blades; 607, rubber buffer pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Embodiment

[0020] Please refer to Figures 1 to 3 , which is an embodiment of the present utility model. This embodiment provides a technical solution: a deep foundation pit drainage device, including a motor 200 fixedly installed on the top of a base 100 and a pump body 300 fixedly installed on the top of the base 100. The output shaft of the motor 200 is fixedly connected to the pump body 300. An outer side of the connection between the motor 200 and the pump body 300 is provided with a shield assembly 400 for shielding. The shield assembly 400 includes a fixed cover 401, a middle groove 402, a torsion spring connection seat 403, a flip cover plate 404, a support bump 405, and a baffle 406. The bottom end of the fixed cover 401 is fixed on the top surface of the base 100. The middle groove 402 is opened in the middle of the top end of the fixed cover 401. One end of the middle groove 402 is rotatably connected to the flip cover plate 404 through the torsion spring connection seat 403. The flip cover plate 404 can be rotated to open and close. The support bumps 405 are symmetrically fixed on the inner wall of the middle groove 402 and overlap with the lower surface of the flip cover plate 404 to support the flip cover plate 404. The baffle 406 is slidably connected to the top end of the fixed cover 401 and blocks the top surface of the other end of the flip cover plate 404 to lock and close the flip cover plate 404. The shield assembly 400 further includes a slider 407 and a chute 408. The slider 407 is fixed on the bottom surface of the baffle 406 and is slidably connected to the chute 408 opened on the top surface of the fixed cover 401. The baffle 406 can be toggled to move it away from the top of the flip cover plate 404, so as to unlock the flip cover plate 404 and open it. The shield assembly 400 further includes a damping groove opened on the top surface of the baffle 406 to increase the friction force and facilitate toggling the baffle 406. A limiting block is fixed at the bottom end of the slider 407, and a limiting groove is opened on the bottom surface of the chute 408. The limiting block and the limiting groove are engaged with each other to improve the stability of the baffle 406 and it will not move easily except by manual toggling.

[0021] In this embodiment, preferably, a water pipe 500 is connected to the other side of the pump body 300, and the tail end of the water pipe 500 is connected to a water pumping head assembly 600. The water pumping head assembly 600 can be placed into the water in the deep foundation pit. By starting the pump, water pumping can be carried out. The water pumping head assembly 600 includes a water pumping outer cover 601, a fixing piece 602, bolts 603 and a filter mesh cover 604. The tail end of the water pipe 500 is inserted into the interior of the water pumping outer cover 601. The fixing piece 602 is fixed on the outer surface of the tail end of the water pipe 500 and is fixedly connected to the upper surface of the water pumping outer cover 601 through bolts 603 to fix the water pipe 500 and the water pumping head assembly 600. The filter mesh cover 604 is arranged on the surface of the water pumping outer cover 601 to play a filtering role. The water pumping head assembly 600 further includes a rubber buffer pad 607. The rubber buffer pad 607 is fixed at the bottom end of the water pumping outer cover 601. When the water pumping head assembly 600 falls to the bottom of the water, the rubber buffer pad 607 can play a buffering role. The water pumping head assembly 600 further includes an inner cover 605 and blades 606. The inner cover 605 is fixed inside the water pumping outer cover 601. The blades 606 are rotatably connected inside the inner cover 605. When pumping water, the blades 606 rotate automatically under the scouring of the water flow, and can break up and crush the soil blocks in the water flow to prevent blockage.

[0022] Although the embodiments of the present invention have been shown and described (see the above detailed description), for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A deep foundation pit drainage device, comprising a motor (200) fixedly mounted on the top of a base (100), and a pump body (300) fixedly mounted on the top of the base (100), wherein an output shaft of the motor (200) is fixedly connected to the pump body (300), and characterized in that: A baffle assembly (400) is arranged on the outside of the connection between the motor (200) and the pump body (300), and the baffle assembly (400) includes a fixed cover (401), a middle groove (402), a torsion spring connecting seat (403), a flap plate (404), a support protrusion (405) and a baffle (406). The bottom end of the fixed cover (401) is fixed to the top surface of the base (100), the middle groove (402) is opened in the middle of the top of the fixed cover (401), one end of the middle groove (402) is rotatably connected to the flap plate (404) through the torsion spring connecting seat (403), the support protrusion (405) is symmetrically fixed to the inner wall of the middle groove (402) and overlaps with the lower surface of the flap plate (404), and the baffle (406) is slidably connected to the top of the fixed cover (401) and blocked at the top surface of the other end of the flap plate (404).

2. A deep foundation pit drainage device according to claim 1, characterized in that: The blocking cover assembly (400) further comprises a sliding block (407) and a sliding groove (408); the sliding block (407) is fixed on the bottom surface of the blocking piece (406) and is slidably connected to the sliding groove (408) provided on the top surface of the fixed cover (401).

3. A deep foundation pit drainage device according to claim 1, characterized in that: The baffle assembly (400) further comprises a damping groove, wherein the damping groove is formed on the top surface of the baffle (406).

4. A deep foundation pit drainage device according to claim 2, characterized in that: A limiting block is fixed at the bottom end of the sliding block (407), a limiting groove is provided on the bottom surface of the sliding groove (408), and the limiting block and the limiting groove are mutually engaged.

5. A deep foundation pit drainage device according to claim 1, characterized in that: The other side of the pump body (300) is connected to a water pipe (500), and the tail end of the water pipe (500) is connected to a water pumping head assembly (600). The water pumping head assembly (600) comprises a water pumping outer cover (601), a fixing plate (602), bolts (603) and a filter screen cover (604). The tail end of the water pipe (500) is inserted into the water pumping outer cover (601), and the fixing plate (602) is fixed to the outer surface of the tail end of the water pipe (500) and is fixedly connected to the upper surface of the water pumping outer cover (601) by bolts (603). The filter screen cover (604) is arranged on the surface of the water pumping outer cover (601).

6. A deep foundation pit drainage device according to claim 5, characterized in that: The water pumping head assembly (600) further comprises a rubber buffer pad (607), and the rubber buffer pad (607) is fixed to the bottom end of the water pumping housing (601).

7. A deep foundation pit drainage device according to claim 6, characterized in that: The water pumping head assembly (600) further comprises an inner cover (605) and blades (606), wherein the inner cover (605) is fixed inside the water pumping outer cover (601), and the blades (606) are rotatably connected inside the inner cover (605).

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