CN203067206U - Automatic water pumping machine - Google Patents

Automatic water pumping machine Download PDF

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Publication number
CN203067206U
CN203067206U CN 201220663862 CN201220663862U CN203067206U CN 203067206 U CN203067206 U CN 203067206U CN 201220663862 CN201220663862 CN 201220663862 CN 201220663862 U CN201220663862 U CN 201220663862U CN 203067206 U CN203067206 U CN 203067206U
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water
machine
pipe
switch
pump
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Expired - Fee Related
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CN 201220663862
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Chinese (zh)
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陈郁传
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Abstract

The utility model discloses an automatic water pumping machine. The automatic water pumping machine is characterized in that a water draining switch is communicated with a water draining outlet at the bottom of a machine body inside the machine body, a water inlet switch is communicated with a water storage barrel, the water storage barrel is communicated with a filter screen, the upper end of the filter screen is communicated with a pipeline water outlet, a pipeline water inlet is communicated with riverbed water, a well water bifurcated pipe is communicated with a well water pipe at the top of the machine body, the well water pipe is communicated with a check valve and well water, the well water bifurcated pipe is communicated with a lower non-return valve and an upper non-return valve, the lower non-return valve is communicated with a water collecting pipe, a pressure pump and an lower inner cavity, the upper non-return valve is communicated with the well water bifurcated pipe, the water collecting pipe, the pressure pump and an upper inner cavity, the water collecting pipe is communicated with an upper hose, and the upper hose is communicated to a user pool. The water pumping height of the automatic water pumping machine can be more than 1-50 times higher than fall of the riverbed water.

Description

Automatic pump water machine
Technical field
The utility model relates to a kind of automatic pump water machine, particularly a kind of automatic pump water machine that water and air is pressurizeed automatically.
Background technique
Existing pump water machine mainly makes the electricity consumption water pump, also has to use manpower water pump etc., and the electricity consumption water pump cost electricity charge can not be used during power failure, and manpower water pump labor intensity is big, is not desirable pump wetting system, and forced air is again the air compressor of electricity consumption and with the pump of manpower.
Summary of the invention
The purpose of this utility model is to provide a kind of water buoyancy and the gravity water pump that pressurization is risen to water, river bed water and automatic pump water machine have the water-head just can be to the automatic compression pump of water liter waterborne, more than the pump water rise 1-50 rice, without electric energy, easy to manufacture, easy to install, can be used for pressurized air again, for a long time the automatic pump water machine of automatic pump water.
Technical solution of the present utility model is such, a kind of automatic pump water machine, it is characterized in that having in the body (7) drainage switch (6) and drain opening at the bottom of the machine to connect, there are water inlet switch (5) and water butt (4) to connect, water butt (4) is connected with filter screen (3), filter screen (3) upper end is connected with pipeline (2) water outlet, pipeline (2) water inlet and river bed water (1) are connected, there are well water bifurcated pipe (11) and well water pipe (10) to connect on body (7) top, well water pipe (10) and one-way valve, well water (9) is connected, well water bifurcated pipe (11) and following safety check (12), upper check valve (16) is connected, following safety check (12) and collector pipe (15), compression pump (13), lower inner cavity (47) is connected, upper check valve (16) and well water bifurcated pipe (11), collector pipe (15), compression pump (13), last inner chamber (44) is connected, collector pipe (15) is connected with water inlet (18), and water inlet (18) leads to user pond (20).
There is positioning shaft (29) at body (7) center, float (8), positioning shaft (29) upper end organic top connecting plate (35), stiffening plate of organic end, lower end (30), stiffening plate at the bottom of the machine (30) drain opening has second time switch (27), switch positioning plate (24), switch positioning plate (24) has first time switch (21), water inlet switch (5) is arranged, lever (22) and first positioning rod (23), second positioning rod (26) is hinged, there is drainage switch (6) second positioning rod (26) lower end, the upper end is hinged with controlling rod (28), controlling rod (28) upper end is connected with on-off controller (17), on-off controller (17) has magnetite (53), under inhale point (54), last suction point (52), shift fork (51) and first shift fork (38) are in the same way arranged, second shift fork (48) is hinged, there are float connecting plate (32) two ends and first pull bar (33) in float (8) top, second pull bar (34) connects, first pull bar (33), there is first lower spring (37) second pull bar (34) below, second lower spring (50), there is first upper spring (39) top, second upper spring (46), the top is connected with pump rod connecting plate (41), pump rod connecting plate (41) center have piston push-pull rod (42) itself and interconnect, there is piston (45) piston push-pull rod (42) lower end, piston (45) is outer to be cylinder block, compression pump (13) is connected with fixed base (36), fixed base (36) is connected with machine top connecting plate (35), well water bifurcated pipe (11) is arranged on the machine top connecting plate (35), well water pipe (10), following safety check (12), bifurcated connecting tube (14), upper check valve (16), collector pipe (15) is connected with water inlet (18), piston has seal ring, and there is machine cap on the machine top, cover plate.
Upper check valve (16), following safety check (12) have last valve and following valve, and there are many water-flowing troughs the side.
Float (8) has a filler (31).
Water butt (4) in the body (7) is built at river bed water (1) with the reinforced concrete soil-cement, and/or uses the plastic cement jar.
River bed water (1) is river, and/or well water.
The utility model advantage is to utilize river bed water to make kinetic energy from the water that last water level flows to down the water level rise and fall, the water that automatic pump water machine is discharged is still given back the river, water on the pump is used for domestic water or is used for other needs, as long as making a water drop can install automatic pump water machine and carry out pump water in the riverbed, the water that compression pump is inhaled on the riverbed water pump is river bed water, water on the compression pump suction well water pump is well water, compression pump sucks the high-pressure air that air pumps, more than the water rising 1-50 rice, lifting height is according to the cylinder diameter size of compression pump, cylinder diameter is more little, and upward the water height is more high, is fit to family, the fish pond, uses such as swimming pool.
Description of drawings
It is such that structure of the present utility model constitutes:
Fig. 1 just makes plan view in the pump water conservancy project for automatic pump water machine of the present utility model.
Fig. 2 is that automatic pump water machine overall structure of the present utility model is installed erection drawing.
Fig. 3 is automatic pump water machine plan view of the present utility model.
Among Fig. 1~Fig. 3, river bed water (1), pipeline (2), filter screen (3), water butt (4), water inlet switch (5), drainage switch (6), body (7), float (8), well water (9), well water pipe (10), well water bifurcated pipe (11), following safety check (12), compression pump (13), bifurcated connecting tube (14), collector pipe (15), upper check valve (16), on-off controller (17), water inlet (18), pipe outlet (19), user pond (20), first time switch (21), lever (22), first positioning rod (23), switch positioning plate (24), holding down bolt (25), second positioning rod (26), second time switch (27), controlling rod (28), positioning shaft (29), stiffening plate at the bottom of the machine (30), filler (31), float connecting plate (32), first pull bar (33), second pull bar (34), machine top connecting plate (35), fixed base (36), first lower spring (37), first shift fork (38), first upper spring (39), high-pressure outlet (40), pump rod connecting plate (41), piston push-pull rod (42), last water in-out port (43), last inner chamber (44), piston (45), second upper spring (46), lower inner cavity (47), second shift fork (48), following water in-out port (49), second lower spring (50), shift fork (51) in the same way, last suction point (52), magnetite (53), under inhale point (54).
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
Embodiment 1, in the low water level position of river bed water automatic pump water machine is installed, pump water machine rises water pressurization back automatically, lifting height depends on that the cylinder diameter size of water pump changes, need not to install additional lever, when the compression pump input air, can also pressurize to air, the air after the pressurization again can with the previous patent No. of the applicant: 200620117306.6 press machine connects usefulness.Automatic pump water machine includes river bed water, well water, water tower pond, valve, water pipe, bolt, packing ring, one-way valve, air, automatic pump water machine,, there are drain opening and body internal drainage switch connection the end, connect with water inlet switch in the body, water inlet switch and water butt are connected, have a filter screen and pipe water outlet to connect in the water butt, pipeline water inlet and river bed water are connected.There is the well water bifurcated pipe on automatic pump water machine top, water inlet and well water pipe are produced and are connected, the well water tube inlet has one-way valve and well water to connect, the well water bifurcated pipe has two water outlets, safety check lower end water inlet is connected under water outlet and the compression pump, another water outlet and upper check valve lower end water inlet are connected, water in-out port connection under one water in-out port and the compression pump is arranged in the middle of the following safety check, following safety check upper end water outlet and collector pipe lower nozzle are connected, water in-out port connection on water in-out port and the compression pump in the middle of the upper check valve, upper check valve upper end water outlet and another mouth of pipe of collector pipe are connected, the collector pipe top has a high-pressure outlet and water inlet lower end to connect, the water inlet upper end arrives user's water millpond, the compression pump lower end is connected with the fixed base upper end, the fixed base lower end is connected with machine top connecting plate, connecting plate two ends, machine top are connected with upper side both sides in the body, body inner underside face is connected with one end of stiffening plate at the bottom of the machine on one side, the other end Shen goes out body and is connected with water inlet drainage switch positioning plate outward, body is circular or square, the center is positioning shaft in the body, the positioning shaft string is crossed floating center hole, the positioning shaft lower end is connected with stiffening plate at the bottom of the machine, the upper end is connected with machine top connecting plate, be connected with the fixed base compression pump above the connecting plate center, machine top, compression pump piston push-pull rod upper end is connected with pump rod connecting plate center, the two ends, center respectively connect a pull bar, the pull bar lower end is connected with float connecting plate two ends, the machine end face is connected with an on-off controller, on-off controller is by shift fork and Magnetic sucking switch are formed in the same way, in the same way on shift fork one end and the pull bar between lower spring loose joint touch, the other end seals in the oblong aperture of controlling rod upper end, positioning hole about go here and there out the controlling rod upper end, controlling rod between the positioning hole connects the magnetite fixed block of Magnetic sucking switch up and down, controlling rod lower end and drainage switch are lived hinged, drainage switch is lived with lever one end and is connected, the lever the other end is lived with water inlet switch and is connected, and lives hinged with the switch positioning plate in the middle of the lever.What the working flow river bed water of automatic pump water machine was that also well water, pool water, compression pump suck also can be that air-air pressurizes.
Embodiment 2, with reference to accompanying drawing, utilize river bed water to wander come-up pressure that following water level rises again and the gravity of decline again is used as power from last water level, enter and boost the thrust that float moves up in the body, promoting motion stops moves up the water in the upper cylinder pressurizeed to raise and discharges, when being discharged, the water in the body moves down under the effect of float at gravity, the piston of leaving behind pressurizes to raise to the water in the lower cylinder and discharges, so ceaselessly repeat work, solved the technological scheme of automatic pump water, the working principle of automatic pump water machine is before not intaking, drainage switch is closed, water inlet switch is opened, river bed water (1) flows in the water butt (4) filter foreign material in pipeline (2) flows into filter screen (3) after, the promotion float (8) that rises in water inlet switch (5) enters body (7) again moves up, the float connecting plate (32) that is connected with float (8), first pull bar (33), second pull bar (34), pump rod connecting plate (41), piston push-pull rod (42), piston (45) also moves up together, to compression pump (13), the water of last inner chamber (44) pressurizes, the water that is under pressure extrudes from last water in-out port (43) and enters upper check valve (16) and boost last valve of closing and enter collector pipe (15) from water outlet, enter water inlet (18) through high-pressure outlet (40), arrive user pond (20) from pipe outlet (19), move down setting-out simultaneously at piston (45), lower inner cavity (47) also sucks one-way valve with well water (9), enter well water bifurcated pipe (11) through well water pipe (10), enter through following safety check (12) water inlet and to boost down valve and enter compression pump (13) from descending water in-out port (49), in the lower inner cavity (47), suction following valve of safety check (12) that finishes at present falls and has cut out water inlet, finished a lower inner cavity (47) suction well inner chamber waterborne (44), pressurization extrudes the process that raises to water.Water rising float (8) in body is when floating to point of accumulation, first lower spring (37), the elastic force of second lower spring (50) is greater than the suction of magnetite (53), this moment first shift fork (38), second shift fork (48) is upspring by spring, controlling rod (28) has also been dialled and provoked to shift fork (51) simultaneously in the same way, the drainage switch (6) that is connected controlling rod (28) is pulled up the drain opening of having opened second time switch (27), water inlet switch (5) has been closed the water intake of first time switch (21) down by lever (22) sled simultaneously, move on the magnetite (53) and hold point (52) controlling rod (28) can not be fallen down, water in the body flows into the river outside drainage switch (6) mouthful discharge body, the weight of float (8) is left behind piston (45) and the water in the lower inner cavity (47) is pressurizeed during falling under water in body, forcing water to enter down safety check (12) from following water in-out port (49) again boosts last valve of closing and reenters collector pipe (15) from water outlet and enter water inlet (18) through pipe outlet (19) arrival user pond (20), fall the water while of pressurization lower inner cavity at piston, last inner chamber (44) again well water (9) through one-way valve well water pipe (10), well water bifurcated pipe (11), bifurcated connecting tube (14) enters from upper check valve (16) water inlet and boosts following valve of closing and enter compression pump (13) from last water in-out port (43), in the last inner chamber (44), water is when float also moves down into lower-limit point when constantly descending, first upper spring (39), the elastic force of second upper spring (46) is greater than the suction of inhaling point in magnetite (53) absorption, this moment first shift fork (38), second shift fork (48) is fallen by the spring bullet, controlling rod (28) is dialled and depressed to shift fork (51) also simultaneously in the same way, magnetite (53) holds down again inhales point (54), the drainage switch (6) that is connected controlling rod (28) also falls the drain opening of having closed second time switch (27), with drainage switch (6), the lever (22) that second positioning rod (26) connects lever up first positioning rod (23) jack-up again water inlet switch (5) opened the water intake of first time switch (21), inner chamber on this moment (44) suction has been finished following valve in the upper check valve (16) and has been fallen and closed water inlet, automatic pump water machine enters river bed water work again for the second time, so ceaselessly repeats the purpose that work has realized automatic pump.
Embodiment 3, utilize same method of work to air pressurized the time as long as remove well water pipe (10), suck air from the entrance of well water bifurcated pipe (11) by last inner chamber (44), the lower inner cavity (47) of compression pump (13), what high-pressure outlet (40) came out also is the air that pressure is arranged.Automatic pump machine structure constitutes and the work installation is: there is positioning shaft (29) at body (7) center, positioning shaft (29) was gone here and there float (8) center hole upper end and was connected with machine top connecting plate (35), machine top connecting plate (35) two ends are connected with upper side both sides in the body, the lower end is connected with stiffening plate at the bottom of the machine (30), stiffening plate (30) one ends are connected on one side with body inner underside face at the bottom of the machine, the other end stretches out outside the body (7) and is connected with switch positioning plate (24) bottom surface, holding down bolt (25) seals in lever (22) center hole and lives hinged in switch positioning plate (24) side, in the square hole of first positioning rod (23) about lever (22) one ends seal in and are positioned between the hole, first positioning rod (23) upper end is connected with water inlet switch (5), first time switch (21) is fixed on switch positioning plate (24) end face, communicate in first time switch (21) water outlet and the body (7), switch positioning plate (24) end face is connected with water butt (4) bottom surface, water butt (4) side is connected with the outer upper side of body, being placed with on a filter screen (3) the filtration network interface in the bung is pipeline (2) water outlet, and pipeline (2) water inlet and river bed water (1) are connected.Lever (22) adds an end and seals in the square hole that is positioned at second positioning rod (26) between the hole up and down, second positioning rod (26) upper end is lived hinged with controlling rod (28) lower end, the lower end is connected with drainage switch (6), water outlet at the bottom of the drain opening of second time switch (27) and the machine on the stiffening plate (30) is to leading to and being connected on the stiffening plate, on-off controller (17) magnetic switch positioning hole was up and down gone here and there in controlling rod (28) upper end, there is a magnetite (53) to be fixed in the workpiece hole up and down between the positioning hole, the workpiece the other end is connected with controlling rod (28), there is a following suction point (54) that holds magnetite (53) magnetite (53) below, also there is a upward suction point (52) that holds magnetite (53) top, last suction point (52), under inhale point (54) distance and can regulate, make magnetic attraction less than the elastic force of last lower spring, the effect of magnetite (53) suction is to hold controlling rod (28), can not fall down and play the effect that throws open and close suddenly, controlling rod (28) upper end has a rectangular to seal in a shift fork (51) and first shift fork (38) in the same way, second shift fork (48) is lived and is hinged on the on-off controller (17), the effect of shift fork (51) is first shift fork (38) in the same way, when second shift fork (48) has been dialled upwards in the same way shift fork (51) also make progress, in the time of downwards also and then downwards.First shift fork (38), second shift fork (48) and first pull bar (33), second pull bar (34) loose joint is touched, first pull bar (33), second pull bar (34), above shift fork, sealed in first upper spring (39), second upper spring (46), the below has sealed in first lower spring (37), second lower spring (50), last lower spring is adjustable, and joint elastic force acts on opening and closing water inlet and drainage switch (6), first pull bar (33), second pull bar (34) lower end is connected with float connecting plate (32) two ends respectively, the upper end is connected with pump rod connecting plate (41) two ends respectively, center hole is connected with piston push-pull rod (42) top of compression pump (13), piston push-pull rod (42) lower end is connected with piston (45) and is inserted in cylinder, cylinder is connected with fixed base (36), be connected on fixed base (36) and machine top connecting plate (35) median plane, piston has seal ring or seal ring, the piston upper end is last inner chamber (44), there is a water in-out port (43) last inner chamber (44) side, top, communicate with the water in-out port in the middle of the upper check valve (16), logical with upper check valve (16) upper end water outlet, logical with collector pipe (15), with water inlet (18), pipe outlet (19) leads to user pond (20), with lower end water inlet reduction of fractions to a common denominator fork connecting tube (14), logical with well water bifurcated pipe (11), there is an anti-sealing of following valve of closing the mouth of a river to return in the water inlet of lower end, there are many water-flowing troughs following valve side, also there is one to close last valve that the anti-sealing in the mouth of a river is return in the water outlet of upper end, also there is the tank of many water flowings last valve side, upper check valve (16) is identical with the structure of following safety check (12), the piston lower end is lower inner cavity (47), lower inner cavity (47) lower end side also has a following water in-out port (49), logical with the water in-out port in the middle of the following safety check (12), logical with following safety check (12) upper end water outlet, logical with collector pipe (15), with water inlet (18), pipe outlet (19) leads to user pond (20), logical with the lower end water inlet, logical with well water bifurcated pipe (11), with well water pipe (10), well water (9) is logical, connecting plate (35) two side planes in machine top have the machine cap that covers the body end face, cover plate, body (7) is circular or square, also available reinforced concrete is directly constructed on the limit, riverbed, float (8) has a weight filler (31), its effect is when pump water height does not arrive the destination, the weight water suitable toward the filling of float inner chamber increases the pulling force that float (8) falls, make piston (45) bigger to the water pressure of lower inner cavity (47), water rises De Genggao, air pressure high pressure more during to air pressurized, can only be to compression pump (13) after float (8) the filling weight, lower inner cavity (47) carries out the single cylinder work of setting-out and suction, open upper water-out mouth (43) when using single cylinder work, allow inner chamber (44) communicate with ambient air and get final product, the pump water height of automatic pump water machine can be more than river bed water (1) drop rising 1-50 times.

Claims (6)

1. automatic pump water machine, it is characterized in that having in the body (7) drainage switch (6) and drain opening at the bottom of the machine to connect, there are water inlet switch (5) and water butt (4) to connect, water butt (4) is connected with filter screen (3), filter screen (3) upper end is connected with pipeline (2) water outlet, pipeline (2) water inlet and river bed water (1) are connected, there are well water bifurcated pipe (11) and well water pipe (10) to connect on body (7) top, well water pipe (10) and one-way valve, well water (9) is connected, well water bifurcated pipe (11) and following safety check (12), upper check valve (16) is connected, following safety check (12) and collector pipe (15), compression pump (13), lower inner cavity (47) is connected, upper check valve (16) and well water bifurcated pipe (11), collector pipe (15), compression pump (13), last inner chamber (44) is connected, collector pipe (15) is connected with water inlet (18), and water inlet (18) leads to user pond (20).
2. according to the described automatic pump water of claim 1 machine, it is characterized in that there is positioning shaft (29) at body (7) center, float (8), positioning shaft (29) upper end organic top connecting plate (35), stiffening plate of organic end, lower end (30), stiffening plate at the bottom of the machine (30) drain opening has second time switch (27), switch positioning plate (24), switch positioning plate (24) has first time switch (21), water inlet switch (5) is arranged, lever (22) and first positioning rod (23), second positioning rod (26) is hinged, there is drainage switch (6) second positioning rod (26) lower end, the upper end is hinged with controlling rod (28), controlling rod (28) upper end is connected with on-off controller (17), on-off controller (17) has magnetite (53), under inhale point (54), last suction point (52), shift fork (51) and first shift fork (38) are in the same way arranged, second shift fork (48) is hinged, there are float connecting plate (32) two ends and first pull bar (33) in float (8) top, second pull bar (34) connects, first pull bar (33), there is first lower spring (37) second pull bar (34) below, second lower spring (50), there is first upper spring (39) top, second upper spring (46), the top is connected with pump rod connecting plate (41), there is piston push-pull rod (42) at pump rod connecting plate (41) center, and it interconnects, there is piston (45) piston push-pull rod (42) lower end, piston (45) is outer to be cylinder block, compression pump (13) is connected with fixed base (36), fixed base (36) is connected with machine top connecting plate (35), well water bifurcated pipe (11) is arranged on the machine top connecting plate (35), well water pipe (10), following safety check (12), bifurcated connecting tube (14), upper check valve (16), collector pipe (15) is connected with water inlet (18), piston has seal ring, and there is machine cap on the machine top, cover plate.
3. according to the described automatic pump water of claim 1 machine, it is characterized in that upper check valve (16), following safety check (12) have last valve and following valve, there are many water-flowing troughs the side.
4. according to the described automatic pump water of claim 1 machine, it is characterized in that float (8) has a filler (31).
5. according to the described automatic pump water of claim 1 machine, it is characterized in that the water butt (4) in the body (7) is built at river bed water (1) with the reinforced concrete soil-cement, and/or use the plastic cement jar.
6. according to the described automatic pump water of claim 1 machine, it is characterized in that river bed water (1) is river, and/or well water.
CN 201220663862 2012-12-04 2012-12-04 Automatic water pumping machine Expired - Fee Related CN203067206U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220663862 CN203067206U (en) 2012-12-04 2012-12-04 Automatic water pumping machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220663862 CN203067206U (en) 2012-12-04 2012-12-04 Automatic water pumping machine

Publications (1)

Publication Number Publication Date
CN203067206U true CN203067206U (en) 2013-07-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220663862 Expired - Fee Related CN203067206U (en) 2012-12-04 2012-12-04 Automatic water pumping machine

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943506A (en) * 2012-12-04 2013-02-27 陈郁传 Automatic water pumping machine
RU180302U1 (en) * 2017-06-20 2018-06-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Липецкий государственный педагогический университет имени П.П. Семенова-Тян-Шанского" WATER LIFTING DEVICE
CN109779926A (en) * 2019-03-14 2019-05-21 中铁六局集团有限公司 The control circuit and automatic water pumping device for water of automatic water pumping device for water
RU189392U1 (en) * 2018-08-15 2019-05-21 Федеральное государственное бюджетное образовательное учреждение высшего образования "Липецкий государственный педагогический университет имени П.П. Семенова-Тян-Шанского" WATER LIFTING DEVICE

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943506A (en) * 2012-12-04 2013-02-27 陈郁传 Automatic water pumping machine
CN102943506B (en) * 2012-12-04 2014-07-23 陈郁传 Automatic water pumping machine
RU180302U1 (en) * 2017-06-20 2018-06-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Липецкий государственный педагогический университет имени П.П. Семенова-Тян-Шанского" WATER LIFTING DEVICE
RU189392U1 (en) * 2018-08-15 2019-05-21 Федеральное государственное бюджетное образовательное учреждение высшего образования "Липецкий государственный педагогический университет имени П.П. Семенова-Тян-Шанского" WATER LIFTING DEVICE
CN109779926A (en) * 2019-03-14 2019-05-21 中铁六局集团有限公司 The control circuit and automatic water pumping device for water of automatic water pumping device for water
CN109779926B (en) * 2019-03-14 2023-11-07 中铁六局集团有限公司 Control circuit of automatic water pumping device and automatic water pumping device

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