Wear-resistant self-adaptive multi-stage centrifugal underground central drainage device

Abstract

The utility model relates to the technical field of drainage devices, in particular to a wear-resistant self-adaptive multi-stage centrifugal underground central drainage device which comprises a first pump body, a second pump body and a filter screen, the first pump body is movably provided with a first fixing rod, the second pump body is movably provided with a second fixing rod, and the filter screen is fixedly connected with the first pump body and the second pump body. First impellers are installed on the outer side of the section, located in the first pump body, of the first fixing rod in an annular array mode, second impellers are installed on the outer side of the section, located in the second pump body, of the second fixing rod in an annular array mode, a motor is installed on one side face of the pump body, a water suction pipe is installed at the bottom of the first pump body in an embedded mode, and a shell is installed at the bottom of the water suction pipe. An insertion hole is formed in the side, away from the motor, of the shell, and the filter screen is inserted into the shell through the insertion hole. The device has the advantages that when underground water is pumped, the water is accelerated twice in sequence, and the drainage speed is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to drainage device technical field, concretely is a kind of wear-resistant self-adapting multistage centrifugal underground central drainage device. BACKGROUND

[0002] Underground central drainage device is a kind of equipment for discharging underground water or ground water, usually installed in the underground of building or other structure, its main function is to collect and discharge the water accumulated in underground area, to ensure that foundation is not damaged and prevent water leakage, these devices usually include water pump, pipeline system and controller etc.

[0003] When the water in the well is transported outward, the flow rate of water will be reduced due to the influence of resistance, and in the transportation process, the resistance generated by pipe friction, bending and transportation height will cause the water flow rate to slow down, resulting in a decrease in drainage speed. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of wear-resistant self-adapting multistage centrifugal underground central drainage device, with the advantage of twice acceleration to water in turn when the water in the well is extracted, ensure the drainage speed, solve the problem that the resistance that water is received when discharging the water in the well is big, resulting in low flow rate.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wear-resistant self-adapting multistage centrifugal underground central drainage device, including pump body one, pump body two and filter screen, the pump body one movably installs fixed rod one, the pump body two movably installs fixed rod two, fixed rod one is located in the inside one section of pump body one and is installed with impeller one in annular array outside, fixed rod two is located in the inside one section of pump body two and is installed with impeller two in annular array outside, the side surface of pump body one is installed with motor, the bottom of pump body one is embedded with suction pipe, the bottom of suction pipe is installed with shell, the side of shell away from motor is equipped with insertion hole, the filter screen is inserted into the inside of shell from insertion hole.

[0006] When the self-adapting multi-stage centrifugal downhole central drainage device is used, the fixed frame is fixed on the bearing structure in the well through the fixed holes of the fixed frame by using bolts and other tools, the pump body one and the pump body two are fixed by the connecting frame, the connecting pipe one is connected with the pipeline for draining water in the well, water enters the shell through the connecting pipe one, the filter screen filters the water, the motor drives the fixed rod one to rotate through the transmission structure, the fixed rod one drives the impeller one to rotate, the impeller one generates suction force when rotating, and the suction pipe sucks the water in the shell into the pump body one, the fixed rod one drives the fixed rod two to rotate through the belt when rotating, the fixed rod two drives the impeller two to rotate, and the impeller two generates suction force when rotating, and the connecting pipe two sucks the water in the pump body one into the pump body two, and the water in the pump body two is discharged from the water outlet pipe.

[0007] Preferably, the motor is provided with a fixed seat at the bottom, and the fixed seat is fixedly connected with the side surface of the pump body one.

[0008] Preferably, the motor transmission structure is fixedly connected with the fixed rod one.

[0009] Preferably, the one ends of the fixed rod one and the fixed rod two, away from the motor, are movably connected through the belt.

[0010] Preferably, the shell is provided with a fixed groove in the inner side, and the side of the filter screen inserted into the shell is inserted into the fixed groove.

[0011] Preferably, the connecting pipe one is embedded and installed at the bottom of the shell.

[0012] Preferably, the pump body one is provided with the connecting pipe two embedded and installed at the top, the connecting pipe two extends into the pump body two from the bottom of the pump body two at the top, and the pump body two is provided with the water outlet pipe embedded and installed at the top.

[0013] Preferably, the pump body one and the pump body two are welded with the connecting frame at the front sides, the connecting frame is provided with the lifting ring at the top, the connecting frame is welded with the fixed frame at the front side, and the fixed frame is provided with the fixed holes in a rectangular array. The connecting frame fixedly connects the pump body one and the pump body two, the lifting device can hoist and transport the pump body one and the pump body two to the well through the lifting ring, and the fixed frame is fixed on the bearing structure in the well through the fixed holes of the fixed frame by using bolts and other tools.

[0014] Compared with the prior art, the self-adapting multi-stage centrifugal downhole central drainage device has the following beneficial effects:

[0015] The utility model discloses a fixed rod one and impeller two are set up, and the quantity of impeller two is greater than the quantity of fixed rod one, and the motor is rotated through the transmission structure and drives fixed rod one, and fixed rod one drives fixed rod one to rotate, and the suction force is produced when fixed rod one rotates, and the water in the shell interior is sucked to the inside of pump body no. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first angle three -dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the second angle three -dimensional structure schematic diagram of the utility model;

[0018] Figure 3 It is the third angle three -dimensional structure schematic diagram of the utility model;

[0019] Figure 4 It is the pump body no and pump body two cross -section structure schematic diagram of the utility model;

[0020] Figure 5 It is the shell cross -section structure schematic diagram of the utility model.

[0021] In the drawing: 1, shell;2, pump body no;3, belt;4, pump body two;5, water outlet pipe;6, lifting ring;7, fixed frame;8, fixed hole;9, connecting frame;10, motor;11, fixed seat;12, connecting pipe no.;13, filter screen;14, water suction pipe;15, fixed rod one;16, fixed rod two;17, connecting pipe two;18, impeller no.;19, impeller two;20, jack plug;21, fixed groove. DETAILED DESCRIPTION

[0022] In order to make the above -mentioned purpose, feature and advantage of the utility model can be more obvious easy to understand, the specific implementation of the utility model is explained in detail below with the drawings.

[0023] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, and the person skilled in the art can make similar generalization without violating the connotation of the utility model, so the utility model is not limited to the following disclosed specific implementation.

[0024] Second, the utility model in combination with the schematic diagram is described in detail, in detail the utility model embodiment, for the convenience of explanation, the section view of device structure will not be enlarged locally according to general proportion, and the schematic diagram is only an example, which should not limit the scope of the utility model protection here. In addition, three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0025] To make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0026] Example one

[0027] As Figures 1-5 shown, the utility model provides a kind of wear-resistant self-adapting multistage centrifugal downhole central drainage device, including pump body one 2, pump body two 4 and filter screen 13, pump body one 2 movably installs fixed rod one 15, pump body two 4 movably installs fixed rod two 16, fixed rod one 15 is located in the inside a section of pump body one 2 and is installed with impeller one 18 in annular array outside, fixed rod two 16 is located in the inside a section of pump body two 4 and is installed with impeller two 19 in annular array outside, motor 10 is installed on the side of pump body one 2, motor 10 bottom installs fixed seat 11, fixed seat 11 is fixedly connected with the side of pump body one 2, motor 10 transmission structure is fixedly connected with fixed rod one 15, fixed rod one 15 and fixed rod two 16 are movably connected by belt 3 at the end away from motor 10, pump body one 2 bottom embeds and installs water suction pipe 14, water suction pipe 14 bottom installs shell 1, shell 1 bottom embeds and installs connecting pipe one 12, pump body one 2 top embeds and installs connecting pipe two 17, connecting pipe two 17 top from the bottom of pump body two 4 extends into its inside, pump body two 4 top embeds and installs outlet pipe 5, shell 1 is provided with the insertion hole 20 on the side away from motor 10, filter screen 13 is inserted into the inside of shell 1 from insertion hole 20, pump body one 2 and pump body two 4 front side are welded with connecting frame 9, connecting frame 9 top installs lifting ring 6, connecting frame 9 front side is welded with fixed frame 7, fixed frame 7 is provided with fixed hole 8 in rectangular array.

[0028] In this embodiment, the fixed hole 8 of the fixed frame 7 is used to fix the fixed frame 7 on the bearing structure in the well by using a bolt or the like, the fixed frame 7 fixes the pump body one 2 and the pump body two 4 through the connecting frame 9, the connecting pipe one 12 connects the pipeline of the underground drainage, the water enters the inside of the shell 1 from the connecting pipe one 12, the filter screen 13 in the inside of the shell 1 filters the water, the motor 10 drives the fixed rod one 15 to rotate through the transmission structure, the fixed rod one 15 drives the impeller one 18 to rotate, the impeller one 18 generates suction when rotating, the suction pipe 14 sucks the water in the inside of the shell 1 to the inside of the pump body one 2, the fixed rod one 15 drives the fixed rod two 16 to rotate through the belt 3 when rotating, the fixed rod two 16 drives the impeller two 19 to rotate, the number of the impeller two 19 is greater than that of the impeller one 18, the impeller two 19 generates suction when rotating, the connecting pipe two 17 sucks the water in the inside of the pump body one 2 into the inside of the pump body two 4, the water in the inside of the pump body two 4 is discharged from the water outlet pipe 5, the impeller one 18 and the impeller two 19 are made of an alumina ceramic material, and have high hardness and wear resistance.

[0029] Embodiment two

[0030] As Figures 1-5 shown, the utility model discloses a kind of wear-resistant self-adapting multistage centrifugal underground central drainage devices, compared with embodiment one, this embodiment further includes: fixed groove 21, fixed groove 21 is set in the inside of shell 1, filter screen 13 is inserted into the inside of shell 1 one side and is inserted into the inside of fixed groove 21.

[0031] In this embodiment, the filter screen 13 is fixed in the inside of the pump body one 2 by the fixed groove 21, to increase the stability of the filter screen 13.

[0032] Finally, it should be noted that: the above only for preferred embodiment of the utility model has been described, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A wear resistant self adaptive multi-stage centrifugal downhole central drainage device comprising a pump body one (2), a pump body two (4) and a screen (13), characterized in that: The pump body one (2) movably installs the fixed rod one (15), the pump body two (4) movably installs the fixed rod two (16), the fixed rod one (15) is located in the pump body one (2) inside a section of outside annular array installation is installed with the impeller one (18), the fixed rod two (16) is located in the pump body two (4) inside a section of outside annular array installation is installed with the impeller two (19), the pump body one (2) side installs the motor (10), the pump body one (2) bottom embedded installation is installed with the water suction pipe (14), the water suction pipe (14) bottom installs the shell (1), the shell (1) is away from the motor (10) one side of being provided with the bushing (20), the filter screen (13) is inserted into the shell (1) inside from the bushing (20).

2. A self-adapting multi-stage centrifugal downhole central drainage device with wear resistance according to claim 1, characterized in that: The motor (10) bottom is installed with the fixed seat (11), and the fixed seat (11) is fixedly connected with the side surface of the pump body one (2).

3. A self-adapting multi-stage centrifugal downhole central drainage device with wear resistance according to claim 1, characterized in that: The motor (10) transmission structure is fixedly connected with the fixed rod one (15).

4. A wear resistant self-adapting multi-stage centrifugal downhole central drainage device according to claim 3, characterized in that: The fixed rod one (15) and the fixed rod two (16) are movably connected through the belt (3) away from the motor (10) one end.

5. A self-adapting multi-stage centrifugal downhole central drainage device with wear resistance according to claim 1, characterized in that: The shell (1) inside is provided with the fixed slot (21), and one side of the filter screen (13) inserted into the shell (1) is inserted into the fixed slot (21).

6. A self-adapting multi-stage centrifugal downhole central drainage device with wear resistance according to claim 1, characterized in that: The shell (1) bottom embedded installation is installed with the connecting pipe one (12).

7. A self-adapting multi-stage centrifugal downhole central drainage device with wear resistance according to claim 1, characterized in that: The pump body one (2) top embedded installation is installed with the connecting pipe two (17), and the connecting pipe two (17) top from the pump body two (4) bottom stretches into its inside, and the pump body two (4) top embedded installation is installed with the water outlet pipe (5).

8. A self-adapting multi-stage centrifugal downhole central drainage device with wear resistance according to claim 1, characterized in that: The pump body one (2) and the pump body two (4) front side are welded with the connecting frame (9), the connecting frame (9) top is installed with the lifting ring (6), and the connecting frame (9) front side is welded with the fixed frame (7), and the fixed frame (7) is provided with the fixed hole (8) in rectangular array.

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