Background technology
Sprinkler irrigation technique is a kind of farmland efficient water-saving irrigation technology, and it can make water spray evenly and can alleviate hand labor intensity, has a wide range of applications in current farming operation.And rainer is as key equipment wherein, its structure and riding position are very important.In order to avoid affecting the farming operation such as normal farming or harvesting in field, some buried rainers are there is.
For example, prior art provides a kind of buried automatic telescopic integration sprinkling irrigation equipment, and it is connected with aqueduct, comprises the sleeve pipe, one-level telescoping tube and the secondary telescoping tube that are socketed in turn from outside to inside, and lifting type nozzle, bypass arm and spring; Sleeve pipe is embedded in subsurface, and sleeve pipe is connected with aqueduct; One-level telescoping tube is connected with sleeve pipe, and one-level telescoping tube can slide up and down by facing sleeve tube wall.This sleeve pipe is not damaged in underground for the protection of this sprinkling irrigation equipment.
Further for example, prior art (CN103752438A) additionally provides and a kind ofly can be used for buried rotating spraying head unit, this ejecting device comprises pipe box, interior pipe, open tubular column and baffle plate, interior pipe is arranged in pipe box, the upper end of pipe box and the upper end of interior pipe are all set to tapered opening, and the tapered opening of the tapered opening of pipe box and interior pipe cooperatively interacts, the upper end of open tubular column is connected with the tapered opening of pipe box, internal tube is stretched in the lower end of open tubular column, and open tubular column slides up and down along the tapered opening of interior pipe, baffle plate is arranged on internal tube, and baffle plate is connected with the lower end of open tubular column, the sidewall of open tubular column is provided with through hole, the sidewall of pipe box is provided with delivery port, interior pipe sidewall is provided with apopore, water in interior pipe sequentially passes through apopore and delivery port flows out and irrigates.And this ejecting device also comprises rotating mechanism, this rotating mechanism is arranged in pipe box, and rotating mechanism is connected with interior pipe.Particularly, this rotating mechanism comprises spheroid, hollow bull stick, driver plate and intake chamber, the upper end of bull stick is fixedly connected with interior pipe lower end and conducting, the lower end of bull stick is positioned at intake chamber, spheroid and driver plate are all arranged in described intake chamber, driver plate is connected with bull stick lower end is vertical, spheroid drives bull stick to rotate by driver plate, intake chamber is by bull stick and interior pipe conducting, intake chamber is positioned at the lower end of pipe box, and in intake chamber, be provided with lead and pilot hole, lead is vertically arranged on the place of bottom centre of intake chamber, pilot hole is arranged on bottom intake chamber, water enters intake chamber by pilot hole.
Inventor finds that prior art at least exists following problem:
The rainer that prior art provides needs the soil in artificial or mechanical equivalent of light excavation mounting points to install, and needs sleeve pipe, and these not only cause sprinkling irrigation system cost, and particularly installation cost is higher, and installation quality is difficult to control.And the rainer that prior art provides cannot carry out in underground, from lifting, making it apply limited when single cover water system.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, providing one can by be directly installed on underground from boring, reliable and stable, and rely on single cover water system can carry out in underground from lifting can two-way brill soil be certainly elevated rainer.Concrete technical scheme is as follows:
Can two-way brill soil be certainly elevated a rainer, comprise buried rotary nozzle, interior pipe, outer tube, only ball device, spheroid, support ring, drill bit;
The top of described rotating sprinkler is provided with delivery port; The external diameter of described interior pipe is less than the internal diameter of described outer tube; The upper portion side wall of described outer tube is provided with into water/delivery port, described water inlet/delivery port is connected with aqueduct; Described only ball device is provided with the through hole passed through for current; The aperture of described through hole and the internal diameter of described support ring are all less than the sphere diameter of described spheroid;
Described buried rotary nozzle is arranged on the upper end of described interior pipe, and is positioned at the outside of described outer tube; Described interior pipe box is contained in the inside of described outer tube, and described interior pipe seals with the upper end of described outer tube and contacts, and can relatively described outer tube axially-movable; Described drill bit is arranged on the lower end of described outer tube;
Described support ring is arranged on the lower end of described interior pipe, and with the sidewall close contact of described interior pipe, form the bottom of described interior pipe; Described only ball device is arranged on described interior pipe upper end, and is positioned at the below of described buried rotary nozzle; Described spheroid is arranged on the inside of described interior pipe, and can in described support ring and described only axially-movable between ball device.
Further, described rainer also comprises seal, and described seal mounts cover the junction at described interior pipe and described outer tube upper end.
Further, described rainer also comprises soil scrapper, and described soil scrapper is arranged on the top of described seal.
Particularly, described only ball device is disk, and described disk is provided with through hole.
As preferably, the number of described through hole is at least 1.
Particularly, as preferably, described support ring is rubber ring.
Further, described rainer also comprises brace table, and described brace table is arranged on the relative sidepiece in described interior pipe lower end, wedge-shaped arrangement symmetrically, by described brace table, and the sidewall close contact of described support ring and described interior pipe.
Particularly, as preferably, described spheroid is spherosome or spheroid.
Particularly, as preferably, described spheroid is hollow aluminium ball.
Particularly, as preferably, described drill bit comprises drilling rod and drill body, and the end of described drilling rod is connected with the lower end of described outer tube and described drill body respectively, described drilling rod is provided with helical form chip area.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The embodiment of the present invention provide can two-way brill soil be certainly elevated rainer, buried rotary nozzle is set by holding on inner pipe and drill bit is set in outer tube lower end, the two-way brill soil function of upwards boring soil and boring soil downwards can be realized, be beneficial to raising installation effectiveness, reduce the disturbance to soil layer.By arranging the support ring, spheroid and the only ball device that match in interior pipe, and make the relative outer tube axially-movable of interior pipe, can after pressure water stream carries out interior pipe, in promoting, pipe and buried rotary nozzle move upward, and interior pipe can be made to be down to outer tube only by pressure differential after irrigation terminates, thus realization this rainer when non-irrigation state is down to below ground certainly, and certainly rise to more than earth's surface when irrigating state.Visible, the rainer that the embodiment of the present invention provides is embedded in underground when non-irrigation state, normal farming operation on the ground can not be affected, and rely on single cover water system can carry out from lifting, effectively improve installation effectiveness, the sprinkling efficiency and farming efficiency, reduce labour intensity and labour cost.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Figure 1, embodiments provide a kind of can two-way brill soil be certainly elevated rainer, comprise buried rotary nozzle 1, interior pipe 2, outer tube 3, only ball device 4, spheroid 5, support ring 6, drill bit 7.
The top of this rotating sprinkler is provided with delivery port 11; The external diameter of this interior pipe 2 is less than the internal diameter of outer tube 3; The upper portion side wall of this outer tube 3 is provided with into water/delivery port 31, this water inlet/delivery port 31 is connected with aqueduct; Should stop on ball device 4 and be provided with the through hole passed through for current; The internal diameter of the aperture of this through hole and this support ring 6 is all less than the sphere diameter of spheroid 5.
Wherein, this buried rotary nozzle 1 is arranged on the upper end of interior pipe 2, and is positioned at the outside of outer tube 3; Interior pipe 2 is sleeved on the inside of outer tube 3, and interior pipe 2 seals with the upper end of outer tube 3 and contacts, and can this outer tube 3 axially-movable relatively; Drill bit 7 is arranged on the lower end of outer tube 3.
Support ring 6 is arranged on the lower end of interior pipe 2, and with the sidewall close contact of interior pipe 2, the bottom of pipe 2 in being formed; Only ball device 4 is arranged on interior pipe 2 upper end, and is positioned at the below of buried rotary nozzle 1; Spheroid 5 is arranged on the inside of interior pipe 2, and can in support ring 6 and only axially-movable between ball device 4.
The operation principle of the rainer of lifting certainly of the two-way brill soil that the embodiment of the present invention provides is as follows:
As shown in Figure 1, the embodiment of the present invention provide can two-way brill soil from lifting rainer by arranging drill bit 7 in outer tube 3 lower end, can when installing, relying on external force to rotate this rainer drives drill bit 7 to rotate, make it just cut soil limit to move downward, until this rainer goes downwards to the designated mounting position of underground.Visible, the rainer that the embodiment of the present invention provides is without the need to the soil in artificial or mechanical equivalent of light excavation mounting points, it is by certainly drilling into underground, and be positioned at underground when remaining on non-irrigation state, not only significantly improve installation quality and installation effectiveness, and avoid and disturbance is caused to soil layer and normal farming and other farming operations is on the ground impacted.
When non-irrigation state, as shown in Figure 1, it is inner that interior pipe 2 is positioned at outer tube 3, and be less than outer tube 3 internal diameter due to interior pipe 2 external diameter, leaves the space passed through for current between interior pipe 2 and outer tube 3.Now, spheroid 5 is positioned on the support ring 6 of pipe 2 lower end.Be understandable that the sidepiece of support ring 6 and the sidewall close contact of interior pipe 2 are in sealing state with the part making support ring 6 contact with interior pipe 2.And the mid portion of support ring 6 is inner ring, now, the sphere diameter due to spheroid 5 is greater than the ring internal diameter of support ring 6, and spheroid 5 will be positioned at the inner ring place of this support ring 6, and form the entirety of sealing together with support ring 6.
When the state of irrigation, as shown in Figure 2, pressure water stream from aqueduct enters in outer tube 3 by the water inlet/delivery port 31 on outer tube 3, and promote spheroid 5 in interior pipe 2 lower end, make spheroid 5 leave the moved upward inside of support ring 6 at interior pipe 2, stopped and the lower end resting in only ball device 4 until stop ball device 4.Meanwhile, pressure water flows to and moves upward into pipe 2 and buried rotary nozzle 1 in interior pipe 2 also promotion.In the process, pressure water flows in buried rotary nozzle 1 and by the delivery port 11 at its top and sprays, and forms high-velocity flow.This buried rotary nozzle 1 upwards can bore soil by rotation, and this high-velocity flow has the ability of impacting and cutting top soil, so under effect, be more conducive to interior pipe 2 and buried rotary nozzle 1 moves upward in underground, until be exposed to earth's surface, carry out irrigation operation.
At the end of irrigation, as shown in Figure 3, aqueduct stops supplying water, and spheroid 5 will drop down onto on the support ring 6 of interior pipe 2 lower end next time in self gravitation effect, meanwhile, the water in interior pipe 2 also flows back into outer tube 3 thereupon.Then discharged through water inlet/delivery port 31 by the water in outer tube 3, now, contact because spheroid 5 lower end seals with support ring 6, it is inner isolated air to be carried out outer tube 3, thus makes outer tube 3 form draught head with extraneous.This draught head will impel interior pipe 2 to move downward, until it is inner to drop to outer tube 3 completely, return to buried state during non-irrigation state.
Wherein, in the embodiment of the present invention, the material density of spheroid 5 used should be greater than the density of water.Thus ensure that spheroid 5 can be moved upward by water jet propulsion and can move downward with current under self gravitation effect.
Visible, the embodiment of the present invention provide can two-way brill soil be certainly elevated rainer, by arranging buried rotary nozzle 1 in interior pipe 2 upper end and arranging drill bit 7 in outer tube 3 lower end, can realize upwards boring soil to go out ground and bore native two-way brill soil function of installing downwards, be beneficial to raising installation effectiveness, reduce the disturbance to soil layer.By arranging the support ring 6, spheroid 5 and the only ball device 4 that match in interior pipe 2, and make outer tube 3 axially-movable relatively of interior pipe 2, can after pressure water stream carries out interior pipe 2, in promoting, pipe 2 and buried rotary nozzle 1 move upward, and interior pipe 2 can be made to be down to outer tube 3 inside only by pressure differential after irrigation terminates, thus realization this rainer when non-irrigation state is down to below ground certainly, and certainly rise to more than earth's surface when irrigating state.Visible, the rainer that the embodiment of the present invention provides is embedded in underground when non-irrigation state, normal farming operation on the ground can not be affected, and rely on single cover water system can carry out from lifting, effectively improve installation effectiveness, the sprinkling efficiency and farming efficiency, reduce labour intensity and labour cost.
Further, in the rainer that the embodiment of the present invention provides, interior pipe 2 is arranged on the inside of outer tube 3, and with the upper end of outer tube 3 seal contact refer to interior pipe 2 can axially-movable in outer tube 3, but the position that outer tube 3 upper end contacts with interior pipe 2 is in sealing state, thus effectively prevent current from flowing out from the upper end of outer tube 3.As preferably, in interior pipe 2 and the junction of outer tube 3 upper end, the embodiment of the present invention ensures that interior pipe 2 is in sealing state with the junction of outer tube 3 upper end by using seal 8 to mount cover.For example, the seal 8 can be inverted U-shaped rubber parts, and this U-shaped rubber parts is by the horizontal component and the vertical portion that comprise jack, and this horizontal component is arranged on the upper end of outer tube 3, and jack is used for by interior pipe 2, the lateral wall close contact of this vertical portion and outer tube 3 upper end.
Further, in order to prevent in the native process of brill, outside soil or other foreign material can not enter interior pipe 2 from the delivery port 11 of buried rotary nozzle 1, and as shown in Figure 1, this rainer also comprises soil scrapper 9, and this soil scrapper 9 is arranged on the top of seal 8.This soil scrapper 9 can be the common earth scraping device in this area, and for example, this soil scrapper 9 can be upright post type scraper, and this upright post type scraper multiple circularizes setting around the outer wall of outer tube 3, and the downward-sloping setting of the blade of this upright post type scraper.
The only ball device 4 that the invention process provides is for spheroid 5 provides barrier effect, prevents it from skidding off from interior pipe 2, and should only not hinder current to pass through to enter buried rotary nozzle 1 by ball device 4.Based on this, the embodiment of the present invention can be set to disk by stopping ball device 4, this disk is provided with the above-mentioned through hole passed through for current.The structure of this through hole can be that circular hole also can for having the through hole of irregular section shape, preferred circular hole.As preferably, in order to improve the flow of current, this through hole is at least multiple, such as, be 4-10 etc.Or should ball device 4 can also be only latticed baffle plate, this baffle plate is provided with crisscross grid, and the shape of this baffle plate can be discoid, also can be irregular polyhedron-shaped.
Particularly, in order to ensure that spheroid 5 forms sealing good entirety when being positioned at the inner ring of support ring 6, this support ring 6 is rubber ring.
Further, this spheroid 5 is spherosome 5 or spheroid 5, preferred spherosome 5.Further, in order to ensure that spheroid 5 can be moved upward by water jet propulsion and can move downward with current under self gravitation effect, the spherosome 5 that this spherosome 5 is preferably hollow, such as it can be hollow aluminium ball.Be understandable that, when spheroid 5 is selected from spheroid 5, described sphere diameter comprises long ball footpath and short ball footpath.In addition, when spheroid 5 is selected from spheroid 5, when spheroid 5 coordinates with support ring 6, less gap likely can be left in both contact positions, and the water be so more conducive in drainage procedure in pipe 2 enters in outer tube 3.
Further, as preferably, this rainer also comprises brace table 10, and this brace table 10 is arranged on the relative sidepiece in interior pipe 2 lower end, wedge-shaped arrangement symmetrically, by brace table 10, and the sidewall close contact of support ring 6 and interior pipe 2.As shown in Figure 1, the embodiment of the present invention, by arranging wedge-shaped arrangement brace table 10 symmetrically, is more conducive to spheroid 5 along loop contacts in lozenges and support ring 6.
Further, in the rainer that the embodiment of the present invention provides, drill bit 7 used can be the common drill bit 7 in this area, and it has the function of boring soil downwards.For example, this drill bit 7 can comprise drilling rod and drill bit 7 body, and the end of drilling rod is connected with the lower end of outer tube 3 and drill bit 7 body respectively, drilling rod is provided with helical form chip area.This drill bit 7 body is tip-shape setting.
Further, in the rainer that the embodiment of the present invention provides, buried rotary nozzle 1 used can be state of the art, and to be preferably described in earlier application CN103752438A a kind of can be used for buried ejecting device, and this earlier application is incorporated to herein by reference of text at this.
The foregoing is only preferred embodiment of the present invention, not in order to limit the scope of the invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.