CN213014327U - Portable pneumatic drainage device - Google Patents

Portable pneumatic drainage device Download PDF

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Publication number
CN213014327U
CN213014327U CN202020993195.5U CN202020993195U CN213014327U CN 213014327 U CN213014327 U CN 213014327U CN 202020993195 U CN202020993195 U CN 202020993195U CN 213014327 U CN213014327 U CN 213014327U
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China
Prior art keywords
pipe
water
filter screen
housing
air inlet
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CN202020993195.5U
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Chinese (zh)
Inventor
刘沐
许丽
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Sinohydro Bureau 11 Co Ltd
PowerChina 11th Bureau Engineering Co Ltd
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Sinohydro Bureau 11 Co Ltd
PowerChina 11th Bureau Engineering Co Ltd
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Abstract

The utility model relates to the technical field of engineering drainage, and discloses a portable pneumatic drainage device, which comprises a bracket, a negative pressure generator and a filter cover; the negative pressure generator is arranged at the top of the bracket and comprises an air inlet pipe, a water-vapor mixing pipe and a water pumping pipe, wherein the water-vapor mixing pipe is seamlessly connected with one end of the air inlet pipe, the water pumping pipe is seamlessly connected with the water-vapor mixing pipe, and the air inlet pipe and the water pumping pipe are both communicated with the water-vapor mixing pipe; the water pumping pipe is bent, the upper end of the water pumping pipe is tangent to the water-vapor mixing pipe, and the lower end of the water pumping pipe is vertical to the horizontal plane; the filter mantle sets up the lower extreme at the drinking-water pipe, and the height that highly is higher than the support lower extreme of filter mantle minimum. The utility model has the advantages of simple structure, convenient removal, installation are swift, the security is high, and it still possesses stronger drainage ability simultaneously, can realize the unmanned on duty of drainage operation.

Description

Portable pneumatic drainage device
Technical Field
The utility model relates to an engineering drainage technology field, concretely relates to portable pneumatic drainage device.
Background
Drainage in the engineering field is performed at present, drainage ditches (grooves) are usually excavated according to field conditions, accumulated (seeped) water is guided into a water collection pit (well), and a submersible pump or a centrifugal pump water suction pipe is installed in the water collection pit (well) for pumping and drainage. For large-area flat surface area (seepage) and parts which can not be drained by a drainage ditch groove and a water collecting pit (well) through installing a water pump, a negative pressure sewage suction truck is generally adopted to collect accumulated water, and for the accumulated water with small area and regular surface, a wet dust collector can be used. However, for the construction sites of hydraulic and hydroelectric engineering, especially for the removal of irregular surface area (seepage) water on the concrete surface or the foundation surface, no effective treatment method is available at present, usually, a hand-held air gun is used for blowing accumulated water from one side to corners or lower parts, a small water pump is used for pumping or a manual appliance is used for draining, finally, water absorption cloth is used manually for dipping and drying, a large amount of labor is required, and the efficiency is low.
The pump pit or the sump is needed to be arranged for pumping and draining water by adopting a submersible pump or a centrifugal water pump, a submersible pump or a centrifugal water pump water pumping pipe is installed in the pump pit or the sump, a certain submerging depth of the end of the submersible pump or the centrifugal water pump water pumping pipe is guaranteed, otherwise, air enters the water pump, the water pump loses the water pumping function, and even a water pump motor is burnt down or electric leakage and electric shock accidents occur due to insufficient heat dissipation. When pumping water, people must take care of the pump, or a sensor and an automatic water pump starting and stopping device are installed, and when the submerging depth reaches the lower limit, the pump is stopped in time. In engineering practice, the drainage cost is high, and the water pump is frequently burnt due to negligence of an operator or failure of a sensor, so that the water pump is burnt, electric leakage or electric shock accidents are easily caused, and the safety of personnel and electrical equipment is threatened.
When the sewage suction truck is used for draining, the area size of a required working area is matched with the size of the sewage suction truck, the surface of accumulated water needs to be relatively flat, and a necessary channel is needed to enable the sewage suction truck to enter. The necessary conditions limit the use of the sewage suction truck in some engineering construction places, most of water conservancy and hydropower construction working areas are artificial channels, particularly after templates or reinforcing steel bars are installed, the working areas are surrounded, the sewage suction truck is difficult to enter the working areas, the surfaces of the working areas are mostly concrete or bare bedrock, the surfaces are uneven or irregular, and the sewage suction truck is difficult to work.
The wet dust collector can drain a small-area, flat and shallow region with accumulated water depth, and the dust collecting barrel of the dust collector has limited volume, and the accumulated water or seepage water cannot be continuously drained because the dust collecting barrel needs to be cleaned after working for a period of time.
The air gun widely used in the engineering nowadays sweeps accumulated water, compressed air sprayed by the air gun is used for sweeping by means of a certain drainage gradient, the sweeping effect on the deeper or excessively irregular surface of the accumulated water is poor, and the swept accumulated water is not easy to collect or discharge to a designated place. The device can well solve the defect that the air gun sweeps accumulated water, and the accumulated water is sucked and discharged to a designated place through the drain pipe.
Water absorption materials and other small tools are used for draining water manually, and although the water absorption materials and other small tools are suitable for water accumulation on any irregular surface, the labor intensity is high, the drainage efficiency is low, and particularly for a building base surface with continuous water seepage, a large amount of labor and uninterrupted work need to be invested.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art not enough, provide a portable pneumatic drainage device, make it have simple structure, convenient removal, install swift, the high characteristics of security, it still possesses stronger drainage ability simultaneously, can realize the unmanned on duty of drainage operation.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a portable pneumatic drainage device comprises a bracket, a negative pressure generator and a filter cover; the negative pressure generator is arranged at the top of the bracket and comprises an air inlet pipe, a water-vapor mixing pipe and a water pumping pipe, wherein the water-vapor mixing pipe is seamlessly connected with one end of the air inlet pipe, the water pumping pipe is seamlessly connected with the water-vapor mixing pipe, and the air inlet pipe and the water pumping pipe are both communicated with the water-vapor mixing pipe; the water pumping pipe is bent, the upper end of the water pumping pipe is tangent to the water-vapor mixing pipe, and the lower end of the water pumping pipe is vertical to the horizontal plane; the filter mantle sets up the lower extreme at the drinking-water pipe, and the height that highly is higher than the support lower extreme of filter mantle minimum.
Furthermore, the quick change coupler is arranged at one end, away from the water vapor mixing pipe, of the air inlet pipe and at one end, away from the air inlet pipe, of the water vapor mixing pipe.
Furthermore, a portable handle is arranged above the air inlet pipe, and the bottom of the portable handle is fixed with the air inlet pipe.
Further, the diameter of the water-vapor mixing pipe is larger than that of the air inlet pipe.
Furthermore, the support includes the supporting leg of four L shapes, and wherein two supporting legs are fixed with the intake pipe, and remaining two supporting legs are fixed with the steam mixing pipe.
Furthermore, the filter cover comprises a housing, a primary filter screen and a secondary filter screen, wherein the mesh size of the primary filter screen is larger than that of the secondary filter screen; the lower end of the housing is open, a notch is formed in the side face of the lower end of the housing, and a mounting hole for connecting the water pumping pipe is formed in the upper end of the housing; the primary filter screen is arranged at the bottom of the housing, one side of the primary filter screen, which is far away from the notch, inclines upwards, and one side of the primary filter screen, which is close to the notch, is flush with the lower end surface of the housing; the secondary filter screen comprises a conical surface part and a flat top part, the edge of the conical surface part is fixed with the inner wall of the housing, and the height of the edge of the conical surface part is higher than that of the notch; an upper sealing plate is arranged on one side, close to the notch, of the conical surface part, and the top surface of the upper sealing plate is in close contact with the conical surface part; one side of the primary filter screen close to the notch is provided with a lower sealing plate, and the bottom surface of the lower sealing plate is in close contact with the primary filter screen.
Furthermore, a blocking piece is arranged below the notch, and two sides of the blocking piece are fixed with the housing.
Compared with a sewage suction truck, the device can overcome the defects of the sewage suction truck, can drain water in a narrow or irregular area, does not need to be provided with a vehicle running channel when entering a working surface, and is suitable for accumulated water surfaces with different planeness and gradients; compared with a wet dust collector, the device has larger drainage capacity, is suitable for different drainage depths, can continuously drain water to a specified place, and can solve the problems that the wet dust collector is limited by small capacity of the water collecting box and needs to be shut down for manual replacement or cleaning the water collecting box after being fully collected; compared with a handheld blowing air gun for blowing accumulated water, the device can overcome the defect of the blowing air gun to suck and discharge any accumulated water part, and the sucked and discharged accumulated water can be discharged to a specified place through a water discharge pipe.
The utility model discloses simple structure only needs to connect the air supply pipe in the device one end, connects the upper drain pipe and can use, and convenient removal and swift installation can arrange fast in any position that needs the drainage, do not have the requirement to the ponding depth, need not to set up pump pit or sump pit. The compressed air is used as power, a power supply system is not needed, the heat dissipation problem of a water pump is avoided, accumulated water is not needed to be shallow, or a water pump is used for dry burning after being pumped to be dry, and potential safety hazards of equipment and power utilization are avoided. This device can be applicable to the ponding pump drainage of the different degree of depth, can be in its maximum drainage ability within range normal operating under arbitrary drainage rate condition, but unmanned on duty during the drainage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the present invention;
fig. 2 is a right side view of the present invention;
fig. 3 is a bottom view of the present invention;
fig. 4 is a cross-sectional view of the negative pressure generator of the present invention;
FIG. 5 is an internal structure view of the filter housing of the present invention;
FIG. 6 is a right side view of FIG. 5;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 8 is a structural view of a support leg of the present invention;
fig. 9 is a use state diagram of the present invention.
The reference numerals are explained below:
in the figure: 1. a quick-change connector; 2. a negative pressure generator; 21. an air inlet pipe; 22. a water-vapor mixing pipe; 23. a water pumping pipe; 3. a quick-change connector; 4. a portable handle; 5. a filter housing; 51. a housing; 52. a first-stage filter screen; 53. a secondary filter screen; 531. a conical surface portion; 532. flattening the top; 54. an upper sealing plate; 55. cutting; 56. a baffle plate; 57. a lower sealing plate; 6. a support; 61. supporting legs; 7. a drain pipe; 8. an air supply pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a portable pneumatic drainage device, which comprises a bracket 6, a negative pressure generator 2 and a filter cover 5; the negative pressure generator 2 is arranged at the top of the bracket 6, the negative pressure generator 2 comprises an air inlet pipe 21, a water vapor mixing pipe 22 in seamless connection with one end of the air inlet pipe 21 and a water pumping pipe 23 in seamless connection with the water vapor mixing pipe 22, and the air inlet pipe 21 and the water pumping pipe 23 are both communicated with the water vapor mixing pipe 22; the water pumping pipe 23 is bent, the upper end of the water pumping pipe is tangent to the water-vapor mixing pipe 22, and the lower end of the water pumping pipe is vertical to the horizontal plane; the filter cover 5 is arranged at the lower end of the water pumping pipe 23, and the height of the lowest point of the filter cover 5 is higher than that of the lower end of the support 6.
Intake pipe 21 is connected with air feed pipe 8 when using, and steam mixing pipe 22 is connected with drain pipe 7, and for the connection of convenient pipeline, the one end that steam mixing pipe 22 was kept away from to intake pipe 21 is provided with quick change coupler 3, and the one end that intake pipe 21 was kept away from to steam mixing pipe 22 is provided with quick change coupler 1. The quick-change connector is a commercially available product, when in use, the quick-change connector 3 is in butt joint with the quick-change connector on the equal-diameter air supply pipe 8, and the quick-change connector 1 is in butt joint with the quick-change connector on the equal-diameter water drainage pipe 7. In order to facilitate lifting and moving of the device, a portable handle 4 is arranged above the air inlet pipe 21, and the bottom of the portable handle 4 is welded and fixed with the air inlet pipe 21. In order to keep the water outlet effect of the water-steam mixing pipe 22, the utility model discloses during production and processing, the diameter of water-steam mixing pipe 22 needs to be greater than the diameter of intake pipe 21.
The utility model discloses in, support 6 includes the supporting leg 61 of four L shapes, wherein two supporting legs 61 and intake pipe 21 welded fastening, two remaining supporting legs 61 and steam mixing pipe 22 welded fastening. The main function of the bracket 6 is to support and fix the negative pressure generator 2, and to keep the bottom of the filter housing 5 in a proper gap with the ground, thereby improving the drainage efficiency.
In the utility model, the filter cover 5 comprises a housing 51, a primary filter screen 52 and a secondary filter screen 53, wherein the mesh size of the primary filter screen 52 is larger than that of the secondary filter screen 53; the lower end of the housing 51 is open, a notch 55 is arranged on the side surface of the lower end of the housing 51, and an installation hole for connecting the water pumping pipe 23 is arranged at the upper end of the housing 51; the primary filter screen 52 is arranged at the bottom of the housing 51, one side of the primary filter screen, which is far away from the notch 55, inclines upwards, and one side of the primary filter screen, which is close to the notch 55, is flush with the lower end surface of the housing 51; the secondary filter screen 53 comprises a conical surface part 531 and a flat top part 532, the edge of the conical surface part 531 is fixed with the inner wall of the housing 51, and the height of the edge of the conical surface part 531 is higher than that of the notch 55; an upper sealing plate 54 is arranged on one side of the conical surface part 531 close to the notch 55, and the top surface of the upper sealing plate 54 is in close contact with the conical surface part 531; one side of the primary filter screen 52 close to the notch 55 is provided with a lower sealing plate 57, and the bottom surface of the lower sealing plate 57 is in close contact with the primary filter screen 52. Wherein the upper closing plate 54 is a solid plate without filter holes, and the lower closing plate 57 is a filter screen with the same mesh size as the secondary filter screen 53.
The utility model discloses when using, water is from the bottom inspiration housing 51 of filter mantle 5, pasture and water or large granule impurity are blockked by one-level filter screen 52, and the small stone class impurity through one-level filter screen 52 will be blockked by second grade filter screen 53, small stone class impurity will collect the flat top 532 at second grade filter screen 53 under the effect of rivers, when the small stone class impurity that flat top 532 collectes is more, the adsorption affinity that the small stone of lower floor received will diminish, the small stone of lower floor falls on shrouding 57 down under the effect of gravity, because the existence of last shrouding 54, the suction that the small stone on the shrouding 57 received down is less, consequently, the small stone rolls to incision 55's direction and rolls out from incision 55. In order to prevent the debris from being sucked into the housing 51 again, a rubber stopper 56 is provided below the slit 55, and both sides of the stopper 56 are fixed to the housing 51 by screws or rivets. Consequently the utility model provides a debris such as large granule impurity, small stone, pasture and water that the aquatic contains can be filtered effectively to filter suction filter mantle 5, prevent that negative pressure generater from blockking up, guarantee device normal operating.
The utility model discloses well negative pressure generater 2 is according to the aerodynamic principle, utilizes the air supply that air compressor machine or other pneumatic equipment provided, produces local negative pressure through the upper end of this device drinking-water pipe 23, inhales this device with ponding (also can be required liquid or powder) because of the inside and outside atmospheric pressure difference of device, discharges through the pipeline again.
When the utility model is used, the portable handle 4 is lifted and held, and the device is arranged at a drainage point; one end of an air supply pipe 8 is connected with an air compressor, and the other end of the air supply pipe is connected with an air inlet of the device; one end of a water discharge pipe 7 is connected with the outlet of a water-vapor mixing pipe 22 of the device, and the other end is provided with a discharge point; and opening the air valve of the air compressor, adjusting the opening of the air valve according to the requirement to control the water discharge amount, and starting to discharge water. In order to improve the drainage efficiency, a drainage scheme can be determined according to field conditions, when a large-power drainage device is needed due to deep accumulated water and a water collecting well, a drainage pump can be installed for drainage, when the accumulated water is too shallow and the drainage pump is not suitable to be used, the device can be used, or a plurality of devices are installed according to the field conditions to completely replace the drainage pump. When a single drainage point is emptied, the device can be moved to a new drainage point to continue to drain, and for a continuous water seepage point, the device can be fixed at the water seepage point, and the air supply valve is adjusted to control the drainage amount and drain water for a long time.
The air supply pipe and the water discharge pipe 7 are kept straight in the using process, the water discharge effect is prevented from being influenced by bending, and when the air pressure is large, the air supply pipe and the water discharge pipe 7 are fixed by taking appropriate measures, so that the pipeline is prevented from swinging. If more impurities exist in the accumulated water, the water suction port can be blocked, the drainage efficiency is reduced, and the filter cover 5 of the water suction port is cleaned in time to keep the water suction port smooth. When the device is dismantled, the air supply valve is closed, the quick connectors of the air inlet and the water outlet of the device are unscrewed, the connection between the device and the air supply pipe and the water discharge pipe 7 is disconnected, and the device is recovered.
The utility model adopts compressed air as a power source, has simple structure, can be used only by connecting an air supply pipe at one end of the device and an upper drainage pipe 7, is convenient to move and fast to install, can be fast arranged at any position needing drainage, has no requirement on the depth of accumulated water, and does not need to arrange a pump pit or a water collecting well; the compressed air is used as power, a power supply system is not needed, the heat dissipation problem of a water pump is avoided, accumulated water is not needed to be shallow, or a water pump is used for dry burning after being pumped to be dry, and potential safety hazards of equipment and power utilization are avoided. The device can be suitable for accumulated water pumping drainage at different depths, and can be used for the maximum drainage capacity (generally matched with the size of an air supply pipe 8 commonly used in engineering places, the air supply pipe 8 with the air pressure of 0.4Mpa and the diameter of 25-50mm is generally used, and the maximum drainage capacity corresponding to the device is 3-12m3The normal operation is carried out under any drainage rate condition within the range of the/h), and the unattended operation can be carried out during the drainage.
Compared with a sewage suction truck, the device can overcome the defects of the sewage suction truck, can drain water in a narrow or irregular area, does not need to be provided with a vehicle running channel when entering a working surface, and is suitable for accumulated water surfaces with different planeness and gradients; compared with a wet dust collector, the device has larger drainage capacity, is suitable for different drainage depths, can continuously drain water to a specified place, and can solve the problems that the wet dust collector is limited by a water collecting box with small capacity and needs to be shut down for manual replacement or cleaning the water collecting box after being fully collected. The hand-held blowing air gun is only suitable for a small amount of accumulated water on a working surface although compressed air is used for blowing accumulated water, the working surface is required to be relatively flat and have a certain drainage gradient or a relatively low-lying part is arranged every 5-10 m for storing the accumulated water, the blowing air gun does not have a drainage function, the device can overcome the defect of the blowing air gun and suck and discharge any accumulated water part, and the sucked and discharged accumulated water can be discharged to a designated place through the drainage pipe 7.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A portable pneumatic drainage device is characterized by comprising a bracket, a negative pressure generator and a filter cover; the negative pressure generator is arranged at the top of the bracket and comprises an air inlet pipe, a water-vapor mixing pipe and a water pumping pipe, wherein the water-vapor mixing pipe is seamlessly connected with one end of the air inlet pipe, the water pumping pipe is seamlessly connected with the water-vapor mixing pipe, and the air inlet pipe and the water pumping pipe are both communicated with the water-vapor mixing pipe; the water pumping pipe is bent, the upper end of the water pumping pipe is tangent to the water-vapor mixing pipe, and the lower end of the water pumping pipe is vertical to the horizontal plane; the filter mantle sets up the lower extreme at the drinking-water pipe, and the height that highly is higher than the support lower extreme of filter mantle minimum.
2. A portable pneumatic drainage device according to claim 1, wherein: the one end that the intake pipe was kept away from the steam mixing pipe and the one end that the intake pipe was kept away from to the steam mixing pipe all are provided with quick change coupler.
3. A portable pneumatic drainage device according to claim 1, wherein: a portable handle is arranged above the air inlet pipe, and the bottom of the portable handle is fixed with the air inlet pipe.
4. A portable pneumatic drainage device according to claim 1, wherein: the diameter of the water-vapor mixing pipe is larger than that of the air inlet pipe.
5. A portable pneumatic drainage device according to claim 1, wherein: the support includes the supporting leg of four L shapes, and wherein two supporting legs are fixed with the intake pipe, and remaining two supporting legs are fixed with the steam mixing pipe.
6. A portable pneumatic drainage device according to any one of claims 1 to 5, wherein: the filter cover comprises a housing, a primary filter screen and a secondary filter screen, wherein the mesh size of the primary filter screen is larger than that of the secondary filter screen; the lower end of the housing is open, a notch is formed in the side face of the lower end of the housing, and a mounting hole for connecting the water pumping pipe is formed in the upper end of the housing; the primary filter screen is arranged at the bottom of the housing, one side of the primary filter screen, which is far away from the notch, inclines upwards, and one side of the primary filter screen, which is close to the notch, is flush with the lower end surface of the housing; the secondary filter screen comprises a conical surface part and a flat top part, the edge of the conical surface part is fixed with the inner wall of the housing, and the height of the edge of the conical surface part is higher than that of the notch; an upper sealing plate is arranged on one side, close to the notch, of the conical surface part, and the top surface of the upper sealing plate is in close contact with the conical surface part; one side of the primary filter screen close to the notch is provided with a lower sealing plate, and the bottom surface of the lower sealing plate is in close contact with the primary filter screen.
7. A portable pneumatic drainage device according to claim 6, wherein: a blocking piece is arranged below the notch, and two sides of the blocking piece are fixed with the housing.
CN202020993195.5U 2020-06-03 2020-06-03 Portable pneumatic drainage device Active CN213014327U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020993195.5U CN213014327U (en) 2020-06-03 2020-06-03 Portable pneumatic drainage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020993195.5U CN213014327U (en) 2020-06-03 2020-06-03 Portable pneumatic drainage device

Publications (1)

Publication Number Publication Date
CN213014327U true CN213014327U (en) 2021-04-20

Family

ID=75490359

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020993195.5U Active CN213014327U (en) 2020-06-03 2020-06-03 Portable pneumatic drainage device

Country Status (1)

Country Link
CN (1) CN213014327U (en)

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