CN2357169Y - Automatic anti-blocking type water pump water intaking head - Google Patents

Abstract

The utility model relates to an automatic anti-blocking type water pump water intake head belonging to a water intake head for water pumps, which primarily solves a problem that the water intake head is often blocked. The utility model is mainly characterized in that the utility model comprises a cylindrical water intake head; a section of closed cylinder body arranged at the upper part of the water intake head is provided with a grass-removal ring on which grass-removal sheets are uniformly distributed; a grass-blocking ring of a guide mechanism is arranged at the middle part; a longitudinally bar-shaped grid and a section of closed cylinder body are arranged at the lower part; the utility model also comprises a driving device composed of a crank, a connection rod, a control circuit, etc. The grass-removal sheets move up and down in periodicity, which can remove blocking materials absorbed on the bar-shaped grid in time and can ensure normal water taking. The utility model has the characteristics of small size, easy installation and long service life.

Description

Automatically antiblocking water intake head of water pump

The utility model relates to a kind of water pump water intake, particularly a kind ofly can remove the water pump water intake that is blocked in its lip-deep water float thing automatically.

It is a long-term ubiquitous problem that the water float thing stops up water pump water intaking head, particularly in the news phase, intake does not have the water conservancy project structure, and when fetching water in the earth surface water sources such as the direct Congjiang of water pump, river, lake, reservoir, the stopping state of its water intaking head is especially serious.Because obstruction can not get timely removing, discharge of pump reduces or simply takes out not water outlet, for keeping ordinary production, has to establish newly water pump, and has wasted a large amount of electric energy.

The measure of existing solution water intaking head blockage problem mainly contains following several.

1, artificial block clearing.When the degree of depth of general obstruction and water is dark, manually around the water intaking head, fish for obstruction with sensation with cleek.This mode obstruction can not in time obtain removing up hill and dale, and the frequent repeatable operation of workman, and labor intensity is big.Have to shut down during serious the obstruction, manually descend water to remove maybe will fetch water head together to hang out the artificial block clearing of the water surface together with intake pipe, except danger, bothering, stopping water pump has continually influenced ordinary production.Simultaneously, because obstruction can not get timely removing, the increase of pump water inlet degree of vacuum has also strengthened the consumption of electric energy.The method of above-mentioned artificial block clearing, especially dangerous and arduous concerning night workman on duty.

2, the head of will fetching water is made various shape, makes every effort to not guarantee stifledly or part still has enough area of passages after stopping up, and in the hope of the unlikely excessive increase of intake pipe degree of vacuum, discharge of pump does not reduce.Actual use condition for a long time shows that this class measure effect is bad, does not reach above-mentioned requirements at all.Because the water intaking head is not stifled to be unwarrantable, Once you begin stop up, the water inlet flow velocity of residue wetted surfaces increases, so will be very fast blocked also.In fact, in the occasion of the 1st artificial block clearing, the water intake of this class shape that much is to use is just arranged.

3, build a spacing grid type intake strucure that area of passage is enough big at the intake place, water intake is deployed in it.Actual conditions show, these grids and place the water intake in it also to have blockage problem and need artificial the removing.In addition, this mode has high input, and needs underwater construction, and the vast medium and small water factory that has built up transforms difficulty.

4, install spotter concentratedly at the intake place.The installation of spotter and inlet channel need underwater concrete basis and aquatic building thing, add the expense of spotter, and whole cost is very high.And because of the spotter volume is big, Heavy Weight can't be installed on pumping station, and obstruction also needs artificial reprocessing etc. former thereby its application is limited to some extent.

The purpose of this utility model is exactly to provide a kind of can the removing automatically to be blocked in the lip-deep water float thing of water intake and volume is little, in light weight, easy for installation, do not account for the place, do not need supporting waterborne or underwater construction, the automatically antiblocking water intake head of water pump of simple to operate, long service life at above-mentioned deficiency.

Technical solution of the present utility model is: a kind of automatically antiblocking water intake head of water pump is characterized in that: comprise a long tubular water intake that connects with intake pipe.The top of this water intake is the cylindrical shell of one section sealing; The middle part is provided with the grass blocking ring of tape guide mechanism; The bottom is provided with the cylindrical shell of longitudinal strip grid and one section sealing.The top cylindrical shell of water intake is provided with the tubular weeding ring that is mated, and this weeding ring is provided with even distribution and passes the weeding plate of guide mechanism on the grass blocking ring.Also comprise one by transmission shaft, crank, connecting rod and the speed reducer, the drive unit that control circuit constitutes, connecting rod and the weeding ring hinge-coupled that are located on the frame.

Water intake bottom edge described in the utility model technical solution can be provided with the rectangle groove that cooperates with weeding plate.

Grass blocking ring described in the utility model technical solution can be made of resistance blade at interval, and the resistance blade is downward-sloping shape, and all resistance blades constitute downward-sloping annular taper grass blocking ring.Guide mechanism comprises the guiding groove that is provided with on the resistance blade and hinders the guiding groove that forms between the blade.The upper end of weeding plate is pointed, and passes this guiding groove, and passes the triangle tip of the weeding plate upper end of guiding groove between the resistance blade for the band barb.

The utility model is owing to adopt long tubular water intake, and its middle part is provided with grass blocking ring, and the bottom is provided with the strip grid, and top is provided with weeding ring and weeding plate, and the drive unit that connects with weeding ring, and control circuit is controlled speed reducer and periodically opened, shuts down.Therefore, when drive unit is not worked, under action of gravity, weeding ring drops to the grass blocking ring place, the movable rack that weeding plate forms just in time overlaps on the strip grid on the water intake, at this moment, water just can flow in the water intake through above-mentioned grid and be taken away by water pump, and floating debris is trapped within on the above-mentioned grid; When drive unit is worked, under the drive of crank, connecting rod, weeding ring and weeding plate move upward earlier, weeding plate is extracted out from the floating debris that is adsorbed, and the former floating debris that is adsorbed on the weeding plate just can be adsorbed under the effect of grass blocking ring on the grid of water intake, subsequently, weeding ring and weeding plate move downward, the lower end of weeding plate just will be adsorbed on floating debris on the water intake grid shift onto water intake bottom and break away from water intake, so floating debris is just washed away by current.Above process is carried out repeatedly, has just finished the removing work of water intaking head obstruction automatically.Compared with prior art, the utlity model has to remove automatically and be blocked in the lip-deep water float thing of water intake, and volume is little, in light weight, easy for installation, do not account for the place, do not need supporting waterborne or underwater construction, simple to operate, long service life, the characteristics that price is low, thereby reached the purpose of this utility model.The utility model can guarantee to fetch water floating debris of head absorption is in time removed, and the water intaking head is not blocked, guarantees that water pump normally fetches water energy saving.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the utility model embodiment 1 a structural representation;

Fig. 2 is from hindering the structural representation of the weeding plate that guiding groove passes between the blade among Fig. 1;

Fig. 3 is the structural representation of the weeding plate that passes from the guiding groove of resistance on the blade among Fig. 1;

Fig. 4 is the structural representation of the utility model embodiment 2 base plates.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:

Embodiment 1 as shown in Figure 1 to Figure 3.Long tubular water intake 1 connects with intake pipe 5 welding, and long tubular water intake 1 can be cylindric, also can be rectangle tubular, oval tubular, semicircle tubular etc.Frame 7 is welded on the intake pipe 5.Grass blocking ring 2 is the inclination taper by the middle part that some resistance blades are even, the compartment of terrain is welded on water intake 1.Weeding ring 3 and water intake 1 can slide up and down on water intake 1 movingly.Two kinds of weeding plates 4 a respectively end are welded on the weeding ring 3, and the weeding plate 4 (A) at the triangle tip of band barb passes the guiding groove between the resistance blade, and another kind of weeding plate 4 (B) then passes the guiding groove on the resistance blade.When weeding ring 3 drive weeding plates 4 moved up and down on water intake 1, weeding plate 4 did not break away from guiding groove all the time.Hinder on the blade 2 and the guiding groove that forms formation guide mechanism therebetween.Speed reducer 11 is fixedly connected on the elbow of intake pipe 5 or on one section intake pipe of user, and the minor sprocket on it connects by chain 10 with the hinge wheel that is fixedly connected on transmission shaft 9.Crank 8 is fixedly connected with transmission shaft 9, with connecting rod 6 hinge-coupled, and connecting rod 6 and weeding ring 3 hinge-coupled, all there is crank 8 at the two ends of transmission shaft 9.Speed reducer 11, transmission shaft 9, crank 8, connecting rod 6, control circuit formation drive unit can drive weeding ring 3 and weeding plate 4 pumps on water intake 1.

Working principle.When speed reducer 11 is not worked, the weeder that weeding ring 3 and weeding plate 4 constitute together moves to lowest positions under the effect of gravity, crank 8 and connecting rod 7 are sagging naturally, at this moment, weeding ring 3 is apart from grass blocking ring 2 about 10 millimeters, just concordant bottom with water intake bottom of weeding plate 4.The quantity of strip grid equates on the quantity of weeding plate 4 and the water intake 1, overlaps on the stationary grizzly of water intake 1, and becoming a circle can movable grid.When water pump drew water, it was on the weeder that the water float thing is attracted to the movable rack that is made of weeding ring 3, weeding plate 4.When speed reducer 11 work, weeding plate 4 moves upward, the floating debris that is adsorbed can not be with weeding plate 4 one the same moving because of the acting in conjunction of the obstruction of grass blocking ring 2 and the current adsorption force of intaking, so extracted out from the quilt floating debris of absorbing by this movable rack that weeding plate 4 and weeding ring 3 constitute, these floating debriss are attracted on the stationary grizzly of water intake 1 immediately.Weeding plate moves to peak when (but not breaking away from grass blocking ring 2), floating debris be trapped within grass blocking ring 2 following positions and be positioned at weeding plate 4 bottom below.When weeding plate 4 moves downward because weeding plate 4 all has certain height, so the floating debris around the stationary grizzly of water intake 1 under the promotion of this movable rack that constitutes by weeding plate 4, move downward, until water intake 1 bottom and break away from water intake 1.And the weeding plate 4 responsible floating debriss (as pasture and water) that the top of grass blocking ring 2 is stopped that pass the guiding groove that forms between the resistance blade are delivered to the bottom of grass blocking ring 2.Because the cylindrical shell that is provided with one section sealing bottom of water intake 1, disengaging water intake 1 floating debris has bottom arrived outside the border, the negative pressure field of force of water intaking head, the do not fetched water influence of head feed water flow field will be so floating debris will flow away under the impact of river current.Above process repeats, and finishes the removing work of water intaking head obstruction.Can set shortly (as every work in 5～10 minutes 3 minutes) because of the operation cycle again, guaranteed that floating debris is removed in time, head intake gauge face area does not reduce so can guarantee to fetch water, degree of vacuum does not increase in the intake pipe 5, water pump, saving power are not established in long-term, continuous, the normal water inlet of water pump newly.

Embodiment 2 base plate as shown in Figure 4.Base plate 12 is welded on the bottom of water intake 1, is applicable to the situation of fetching water from static water source.Base plate 12 is provided with the rectangle groove corresponding with weeding plate 13, and engrail is done at the weeding plate back, by moving up and down of weeding plate, the synergy at end and back, floating debris is cut, saws, torn up, and taken away, thereby guarantee that the water intaking head is not blocked by water pump.The rectangle groove 13 that cooperates with weeding plate 4 can also be directly arranged on the edge of water intake bottom.Remove the rectangle groove 13 on base plate 12 or the water intake bottom margin, the back of weeding plate is outside the flexuose, other parts all with embodiment 1 in identical.

Claims (3)

1, a kind of automatically antiblocking water intake head of water pump is characterized in that: comprise a long tubular water intake (1) that connects with intake pipe (5); The top of this water intake (1) is the cylindrical shell of one section sealing; The middle part is provided with the grass blocking ring of guide mechanism; The bottom is provided with the cylindrical shell of longitudinal strip grid and one section sealing; The top cylindrical shell of water intake (1) is provided with and its tubular weeding ring (3) movingly, and this weeding ring (3) is provided with even distribution and passes the weeding plate (4) that grass blocking ring (2) is gone up guide mechanism; Also comprise one by being located at transmission shaft (9), crank (8), connecting rod (6) and the speed reducer (11) on the frame (7), the drive unit that control circuit constitutes, connecting rod (6) and weeding ring (3) hinge-coupled.

2, automatically antiblocking water intake head of water pump according to claim 1 is characterized in that: described water intake (1) bottom edge is provided with the rectangle groove (13) that cooperates with weeding plate (4).

3, automatically antiblocking water intake head of water pump according to claim 1 and 2 is characterized in that: described grass blocking ring (2) is made of resistance blade at interval, and the resistance blade is downward-sloping taper; Guide mechanism comprises the guiding groove that is provided with on the resistance blade and hinders the guiding groove that forms between the blade; The upper end of weeding plate (4) is pointed, and passes this guiding groove, and passes the triangle tip of weeding plate (4) upper end of guiding groove between the resistance blade for the band barb.

Images