TW201925619A - Water pumping device characterized in that the lifting mechanism is connected to the water pumping pipe for driving the pump to move upwards or move downwards along the longitudinal direction, thereby preventing the motor from being damaged by water - Google Patents

Abstract

Provided is a water pumping device which is adapted to be disposed in a detention pond. The water pumping device includes a pump and a lifting mechanism. The pump includes a water pumping pipe, a spiral conveying member and a motor. The water pumping pipe extends along a longitudinal direction and includes a bottom end and a top end. The water pumping pipe has a water charging port formed near the bottom end and a water discharging port formed near the top end. The spiral conveying member is disposed in the water pumping pipe and is located between the water input and the water discharging port. The motor is disposed at the top end of the water pumping pipe and is connected to the spiral conveying member for driving the spiral conveying member to rotate, so that the spiral conveying member may convey the liquid in the detention pond to the water discharging port. The lifting mechanism is connected to the water pumping pipe for driving the pump to move upwards or move downwards along the longitudinal direction. As a result, the structure of the pump is simple in design and can prevent the motor from being damaged by water in the process of using the water pumping device.

Description

Pumping device

The present invention relates to a water pumping device, and more particularly to a water pumping device that pumps water through a lift pump.

A pumping unit of an existing flood storage station mainly extracts the flood accumulated in a flood storage pond and discharges it to the required catchment. Since the pumping device is fixedly disposed in the flood storage tank, when the continuous rainfall causes the flood water level of the flood storage pond to rise continuously, the pumping device is generally flooded. Therefore, the pumping device is usually provided with a sealed water-blocking structure to protect the internal motor from being damaged by water. The design of the foregoing water-blocking structure is likely to cause a complicated internal structure of the pumping device.

Accordingly, it is an object of the present invention to provide a water pumping device which is simple in construction and which prevents the motor from being damaged by water during use.

Thus, the pumping device of the present invention is adapted to be disposed in a flood storage tank, the pumping device comprising a pump, and a lifting mechanism.

The pump includes a water pump, a screw conveyor, and a motor. The water suction pipe extends along a longitudinal direction and includes a bottom end and a top end. The water suction pipe is formed with a water inlet adjacent to the bottom end, and a water discharge port adjacent to the top end. The screw conveying member is disposed in the water suction pipe and located between the water inlet and the water outlet. A motor is disposed at the top end of the water suction pipe and connected to the screw conveying member for driving the rotation thereof, so that the screw conveying member can convey the liquid in the water storage pool to the water discharge port. The lifting mechanism is coupled to the water suction pipe to drive the pump to rise or fall along the longitudinal direction.

In some embodiments, the lifting mechanism includes a set of buoys that are disposed and secured to the pumping pipe.

In some embodiments, the lifting mechanism further includes a plurality of guiding rods fixedly disposed in the flood storage pool and arranged in an annular shape, the guiding rods at least guiding the water suction pipe and the floating pipe therein One moves along the longitudinal direction.

In some embodiments, the guiding rods guide the pumping pipe and the pontoon to move along the longitudinal direction, and the pumping pipe is formed with a plurality of perforations respectively for the guiding rods to be inserted, and the pontoons are formed with a plurality of Openings for the guide rods respectively.

In some embodiments, the pontoon has a hollow cylindrical body and a plurality of bolts, and the tubular body is sleeved on the water suction pipe and has a lower ring portion, an upper ring portion and the openings, the bolts The lower ring portion and the upper ring portion are threaded and locked to the water suction pipe.

In some embodiments, the pumping pipe further comprises a lower pipe body, an upper pipe body, a connecting pipe body, and at least one one-way valve, the lower pipe body has the bottom end and the water inlet, and the upper pipe body has The top end, the drain port and the perforations, the connecting pipe body is disposed between the lower pipe body and the upper pipe body and is sleeved by the sleeve, and the connecting pipe body is formed with at least one connected to the lower pipe body a through hole, the screw conveying member is disposed in the connecting pipe body, the one-way valve is disposed in the connecting pipe body to control opening or closing of the through hole, and the one-way valve can open the through under the action of water flow pressure The holes circulate the water in a direction away from the inlet.

In some embodiments, the connecting tube body is formed with two spaced through holes, and the water pumping tube includes two one-way valves for controlling the opening or closing of the two through holes, respectively.

In some embodiments, the pumping device further includes a filter screen disposed in the flood pool and having an annular shape and extending along the longitudinal direction, the filter net surrounding the lower tube body, the connecting tube body and the outer periphery of the lifting mechanism The upper tube is located on the filter screen.

In some embodiments, the pumping device further includes a filter screen disposed in the flood pool and having an annular shape and extending along the longitudinal direction, the filter net surrounding the water suction pipe and the outer periphery of the lifting mechanism.

The effect of the invention is that, by the design of the lifting mechanism, the pump can automatically rise or fall with the change of the liquid level of the water, so that the pumped motor and the liquid level of the water can be separated by an appropriate distance. In this way, it is possible to avoid a situation in which continuous rain causes the flood level of the flood storage pond to rise and flood the pump and its motor. Also. By designing the motor to be placed at the top end of the suction pipe, the sealed water-tight structure can be omitted to make the structural design of the pump simple. Through the aforementioned design, it is possible to prevent the motor from being damaged by the influence of water during use.

Referring to Figures 1 and 2, an embodiment of the pumping unit 200 of the present invention is adapted to be disposed in a flood storage tank 1 of a flood storage station. The flood storage tank 1 comprises a base wall 11 and a top wall 12 spaced from the base wall 11. The base wall 11 has a top surface 111, a bottom surface 112, and a surrounding surface 113 connected between the top surface 111 and the bottom surface 112. The top surface 111 of the base wall 11 cooperates with the top wall 12 and collectively defines a first-class channel 13, and the bottom surface 112 of the base wall 11 and the surrounding surface 113 together define a water reservoir 114 that communicates with the flow channel 13. The flow path 13 is used to guide the water 14 (shown in FIG. 6) into the water storage tank 114.

Referring to Figures 1, 2 and 3, the pumping device 200 comprises a filter 2, a pump 3, and a lifting mechanism 4. The filter 2 is disposed in the flow channel 13 of the flood storage tank 1 and the water storage tank 114 and includes a mesh body 21, a plurality of protruding pieces 22, and a plurality of pairs of bolts 23. The mesh body 21 is formed in a ring shape and extends along a longitudinal direction Z. The mesh body 21 is formed with a plurality of filter holes 211 spaced apart from each other. The diameter of each filter hole 211 is, for example, 80 mm. When the water 14 flows into the filter 2 through the filter hole 211, the mesh body 21 filters and blocks solid foreign matter or foreign matter that is larger than the pore size of the filter hole 211 carried by the water 14. The protruding pieces 22 are fixed to the outer surface of the net body 21 and adjacent to the bottom end of the net body 21 by, for example, welding, and the protruding pieces 22 abut against the bottom surface 112 of the base wall 11. Each pair of bolts 23 is disposed through the corresponding protruding piece 22 and is screwed to the bottom surface 112 of the base wall 11, whereby the filter net 2 can be firmly fixed to the bottom surface 112.

Referring to FIG. 2, FIG. 3, FIG. 4 and FIG. 5, the pump 3 is disposed in the filter net 2 and partially exposes the top end of the filter net 2 and includes a water suction pipe 31, a screw conveying member 32, and a motor 33. The water suction pipe 31 extends along a longitudinal direction Z and includes a lower pipe body 34, an upper pipe body 35, a connecting pipe body 36, a locking unit 37, and two check valves 38. The lower tubular body 34 has an open bottom end 341 and a top end flange 342. The lower tubular body 34 is formed with a plurality of water inlets 343 which are arranged in a ring shape and spaced apart from each other and adjacent to the bottom end 341. The upper tube body 35 extends laterally and is located above the filter screen 2 and has a tube wall 351 having a bottom end 352 and a top end 353. The bottom end 352 of the tube wall 351 is formed with two spaced-apart water inlet holes 354, and the tube wall 351 is formed with a drain port 355 between the bottom end 352 and the top end 353. The connecting pipe body 36 is disposed between the lower pipe body 34 and the upper pipe body 35 and has a flange 361 at the bottom end and abutting against the flange 342, and an end wall 362 located inside the flange 361. The end wall 362 is formed with two through holes 363 spaced apart from each other and communicating with the lower tube body 34, and each of the through holes 363 has a semicircular shape. The top end of the connecting pipe body 36 is fixed to the bottom end 352 of the upper pipe body 35 by, for example, welding and communicates with the two water inlet holes 354.

The locking unit 37 has a plurality of bolts 371 and a plurality of nuts 372. Each of the bolts 371 is threaded through the flange 361 and the flange 342 and is screwed to the corresponding nut 372, whereby the flange 361 and the flange 342 can be locked together.

Each check valve 38 is disposed at the top end of the end wall 362 and has a check plate 381, a resilient pad 382, and two hinges 383. The check plate 381 has a semicircular shape and is rotatably pivotally connected to the end wall 362 through the two hinges 383. The elastic pad 382 has a semicircular shape and can be fixedly attached to the bottom surface of the backstop plate 381 by, for example, adhesive bonding. The elastic pad 382 is larger than the corresponding through hole 363 for abutting against the end wall 362 to close the through hole 363. . Each check valve 38 is used to control the opening or closing of the corresponding through hole 363. In the normal state, the check plate 381 and the elastic pad 382 are in a closed position as shown in FIG. 2 due to gravity, and the elastic pad is at this time. 382 abuts the end wall 362 and closes the through hole 363. The check plate 381 and the elastic pad 382 of each check valve 38 can rotate under the action of the water flow pressure and open the corresponding through hole 363, so that the water flow unidirectionally flows away from the water inlet 343 via the through hole 363.

The screw conveying member 32 is disposed in the connecting pipe body 36 of the water suction pipe 31 and located between the water inlet 343 and the water discharge port 355. The screw conveying member 32 includes a rotating shaft 321 and a spiral blade 322 formed on the outer peripheral surface of the rotating shaft 321 . The bottom end of the rotating shaft 321 is pivotally connected to the end wall 362 of the connecting pipe body 36 through a bearing 323, and the rotating shaft 321 is pivotally connected to the pipe wall 351 of the upper pipe body 35 through the other bearing 324 near the top end. The motor 33 is disposed at the top end 353 of the upper tube body 35 and is coupled to the top end of the rotating shaft 321 of the screw conveying member 32 for driving the screw conveying member 32 to rotate.

The lifting mechanism 4 is connected to the water suction pipe 31 for driving the pump 3 to rise or fall in the longitudinal direction Z and includes a pontoon 41 and a plurality of guiding rods 42. The pontoon 41 is sleeved and fixed to the connecting pipe body 36 of the water suction pipe 31 and is located inside the filter net 2. The pontoon 41 has a cylindrical body 411 which is hollow and made of a plastic material, and a plurality of bolts 412. The cylinder 411 is sleeved on the connecting pipe body 36 and has a lower ring portion 413 at the bottom end and an upper ring portion 414 at the top end. The bolts 412 are threaded through the lower ring portion 413 and the upper ring portion 414 and are screwed to the connecting pipe body 36 to lock the tubular body 411 to the connecting pipe body 36. The guiding rods 42 are fixedly disposed on the bottom surface 112 and the top wall 12 of the base wall 11 of the flood storage tank 1 and are arranged in an annular shape. The guiding rods 42 are at least used to guide one of the water suction pipe 31 and the floating pipe 41. Move along the longitudinal direction Z.

Specifically, in the present embodiment, each of the guiding rods 42 has a rod body 421 extending in the longitudinal direction Z, two sheets 422 respectively disposed on the upper and lower ends of the rod body 421, and two pairs of bolts 423. The two bodies 422 are respectively abutted on the bottom surface 112 and the top wall 12, and the two pairs of bolts 423 are respectively disposed on the two bodies 422 and are respectively screwed to the bottom surface 112 and the top wall 12, thereby enabling the guiding rod 42 to be stably It is fixed between the bottom surface 112 and the top wall 12. In addition, the tube wall 351 of the upper tube body 35 is formed with a plurality of perforations 356 which are spaced apart from each other and are respectively provided for the rod bodies 421 of the guide rods 42. The barrels 411 of the buoys 41 are formed with a plurality of spaced apart portions and Openings 415 are provided for the rods 421 of the guide rods 42 respectively. Thereby, the guiding rods 42 can simultaneously guide the suction pipe 31 and the pontoon 41 to move in the longitudinal direction Z.

Referring to Fig. 6, when there is accumulated water 14 in the water storage tank 114, the water 14 flows into the lower tubular body 34 through the respective water inlets 343. When the water pressure in the water storage tank 114 is greater than the pressure in the connecting pipe body 36, the water 14 will press the elastic pad 382 corresponding to the one-way valve 38 upward through each of the through holes 363, so that the check plate 381 and the elastic pad 382 follow the arrow. The direction is rotated and the through hole 363 is opened, and at this time, the water 14 can flow upward into the connecting pipe body 36 via the respective through holes 363.

When the water 14 accumulated in the water storage tank 114 is to be extracted by the water pumping device 200, first, the driving motor 33 is operated, and when the motor 33 is operated, the screw conveying member 32 is rotated, and the screw conveying member 32 drives the water through the spiral blade 322 during rotation. 14 flows upwards. The spiral conveying member 32 continuously drives the water 14 to flow upward through the spiral vane 322, so that the water 14 first flows into the upper tubular body 35 through the water inlet hole 354 and then is discharged through the drain port 355. A drain (not shown) may be connected to the drain 355 to discharge the water 14 to the desired catchment.

Further, when the liquid level of the water 14 accumulated in the water storage tank 114 is higher than the bottom end of the cylindrical body 411 of the pontoon 41 and gradually increases, the cylindrical body 411 transmits the buoyancy generated by the water 14 along the respective guide rods. The rod body 421 of 42 moves upward, and the cylinder body 411 moves up and simultaneously drives the pump 3 to move upward, thereby enabling the pump 3 to automatically move up as the liquid level of the water 14 rises. On the other hand, when the liquid level of the water 14 accumulated in the water storage tank 114 gradually decreases, the cylindrical body 411 moves downward along the rod body 421 of each of the guide rods 42 and simultaneously drives the pump 3 to move downward. This allows the pump 3 to automatically move down as the level of the water 14 drops.

By the design of the lifting mechanism 4, the pump 3 can automatically rise or fall as the level of the water 14 changes, such that the motor 33 of the pump 3 and the level of the water 14 can be spaced apart by an appropriate distance. Thereby, it is possible to prevent the occurrence of continuous rain, which causes the flood level of the flood storage tank 1 to rise continuously to flood the pump 3 and its motor 33, to prevent the motor 33 from being damaged by the influence of the water 14 during use. In addition, the damper 41 drives the pump 3 to rise by the manner in which the rod body 421 of the guiding rod 42 is simultaneously inserted into the upper tube body 35 and the cylinder body 411 and the pumping pipe 31 and the pontoon 41 are simultaneously moved in the longitudinal direction Z. Or the process of lowering can be smoother and smoother to avoid the situation that the pump 3 is shaken during the lifting process. Furthermore, by the design of the motor 33 disposed at the top end 353 of the water suction pipe 31, the sealed water-repellent structure can be omitted, the structural design of the pump 3 can be simplified, and the motor 33 can be further prevented from being affected by water during use. And damaged.

It should be noted that, in this embodiment, the design of the two through holes 363 and the two check valves 38 and the two water inlet holes 354 of the upper pipe body 35 enable the water 14 to flow into the connecting pipe via the two through holes 363. The flow rate in the body 36 is large, and the flow rate into the upper pipe body 35 through the two inlet water holes 354 is also large, whereby the amount of water that the pump 3 can extract and discharge is large. Of course, in other embodiments, the number of the through holes 363, the number of the check valves 38, and the water inlet holes 354 may each be one, which is not limited to the number disclosed in the embodiment.

In summary, in the pumping device 200 of the present embodiment, by the design of the lifting mechanism 4, the pump 3 can automatically rise or fall with the change of the liquid level of the water 14, so that the motor 33 of the pump 3 and the water The liquid level of 14 can be separated by an appropriate distance. Thereby, it is possible to avoid a situation in which continuous rain causes the flood water level of the flood storage tank 1 to rise continuously to flood the pump 3 and its motor 33. Also. By the design of the motor 33 disposed at the top end 353 of the water suction pipe 31, the sealed water-tight structure can be omitted to simplify the structural design of the pump 3. Through the aforementioned design, it is possible to prevent the motor 33 from being damaged by the influence of water during use, so that the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

1‧‧‧ flood storage pond

11‧‧‧ base wall

111‧‧‧ top surface

112‧‧‧ bottom

113‧‧‧ Around the surface

114‧‧‧Water storage tank

12‧‧‧ top wall

13‧‧‧ flow path

14‧‧‧ water

200‧‧‧ pumping device

2‧‧‧Filter

21‧‧‧ net body

211‧‧‧ Filter holes

22‧‧‧ protruding film

23‧‧‧ bolt

3‧‧‧ pump

31‧‧‧Water pipes

32‧‧‧Spiral conveying parts

321‧‧‧ shaft

322‧‧‧Spiral blades

323‧‧‧ bearing

324‧‧‧ bearing

33‧‧‧Motor

34‧‧‧ Lower body

341‧‧‧ bottom

342‧‧‧Flange

343‧‧‧ water inlet

35‧‧‧Upper body

351‧‧‧ wall

352‧‧‧ bottom

353‧‧‧Top

354‧‧‧Water inlet

355‧‧ ‧ drain

356‧‧‧Perforation

36‧‧‧Connecting body

361‧‧‧Flange

362‧‧‧End wall

363‧‧‧through hole

37‧‧‧Locking unit

371‧‧‧ bolt

372‧‧‧ nuts

38‧‧‧check valve

381‧‧‧Backstop

382‧‧‧Elastic mat

383‧‧‧Hinges

4‧‧‧ Lifting mechanism

41‧‧‧Float

411‧‧‧Cylinder

412‧‧‧ bolt

413‧‧‧The Ministry of the Lower Rings

414‧‧‧The Ministry of the Upper Ring

415‧‧‧ openings

42‧‧‧ Guide rod

421‧‧‧ rod body

422‧‧‧ tablets

423‧‧‧ bolts

Z‧‧‧ portrait

Other features and advantages of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a front view of an embodiment of the pumping apparatus of the present invention disposed in a flood storage tank; Figure 1 is a partial cross-sectional view showing the connection between a filter, a pump and a lifting mechanism; Figure 3 is a cross-sectional view taken along line III-III of Figure 1; Figure 4 is along the line of Figure 1. FIG. 5 is a cross-sectional view taken along line V-V of FIG. 1; and FIG. 6 is a partial cross-sectional view similar to FIG. 2 illustrating buoyancy of water in a water reservoir. The pontoon moves up so that the pontoon drives the pump up.

Claims (9)

A pumping device is adapted to be disposed in a flood storage tank, the pumping device comprising: a pump comprising: a pumping pipe extending along a longitudinal direction and including a bottom end and a top end, the pumping pipe forming a adjacent bottom end a water inlet, and a drain opening adjacent to the top end; a screw conveying member disposed in the water suction pipe and located between the water inlet and the water outlet; a motor disposed at the top end of the water pipe and the spiral The conveying member is connected to drive the rotation thereof, so that the screw conveying member can transport the liquid in the flood storage tank to the drainage port; and a lifting mechanism connected to the water suction pipe to drive the pump to rise or fall along the longitudinal direction . The water pumping device of claim 1, wherein the lifting mechanism comprises a set of buoys disposed and fixed to the water suction pipe. The water pumping device of claim 2, wherein the lifting mechanism further comprises a plurality of guiding rods fixedly disposed in the flood storage tank and arranged in an annular shape, the guiding rods at least guiding the water suction pipe And one of the floats moves along the longitudinal direction. The water pumping device of claim 3, wherein the guide rods guide the water suction pipe and the pontoon moves along the longitudinal direction, and the water suction pipe is formed with a plurality of perforations respectively for the guide rods to be pierced. The pontoon is formed with a plurality of openings for the guide rods to be respectively disposed. The pumping device of claim 4, wherein the pontoon has a hollow cylindrical body and a plurality of bolts, the tubular body is sleeved on the water suction pipe and has a lower ring portion, an upper ring portion and the like The holes are threaded through the lower ring portion and the upper ring portion and are screwed to the water suction pipe. The pumping device of claim 5, wherein the pumping pipe further comprises a lower pipe body, an upper pipe body, a connecting pipe body, and at least one one-way valve, the lower pipe body having the bottom end and the water inlet. The upper tube body has the top end, the drain port and the perforations. The connecting tube body is disposed between the lower tube body and the upper tube body and is sleeved by the sleeve. The connecting tube body is formed with at least one a through hole communicating with the lower pipe body, the screw conveying member is disposed in the connecting pipe body, the one-way valve is disposed in the connecting pipe body for controlling opening or closing of the through hole, the one-way valve is capable of being under water pressure The through hole is opened by the action to make the water flow unidirectionally flowing away from the water inlet. The water pumping device of claim 6, wherein the connecting pipe body is formed with two spaced through holes, and the water pumping pipe comprises two one-way valves for controlling opening or closing of the two through holes, respectively. The pumping device of claim 6, further comprising a filter screen disposed in the flood storage tank and extending in the longitudinal direction, the filter net surrounding the lower pipe body, the connecting pipe body and the lifting mechanism Around, the upper tube is located on the filter side. The water pumping device according to any one of claims 1 to 5, further comprising a filter screen disposed in the flood storage tank and extending in the longitudinal direction, the filter net surrounding the water suction pipe and the lifting mechanism around.