CN114287327B - Pulse truss sprinkling machine and operation method - Google Patents
Pulse truss sprinkling machine and operation method Download PDFInfo
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- CN114287327B CN114287327B CN202111560407.6A CN202111560407A CN114287327B CN 114287327 B CN114287327 B CN 114287327B CN 202111560407 A CN202111560407 A CN 202111560407A CN 114287327 B CN114287327 B CN 114287327B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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Abstract
The invention discloses a pulse truss sprinkler and an operation method, belonging to the technical field of agricultural water-saving irrigation, wherein the pulse truss sprinkler comprises a truss, a main pipe, a capillary, a spray head, a branch pipe, a capillary jet pulse tee joint and a branch pipe jet pulse tee joint, wherein the jet pulse tee joint comprises a water inlet, a jet pipe, a jet space, a jet reversing device, an output pipe and an outlet; when the pulse truss sprinkler works, pressure water flow enters a water inlet of a jet flow pulse tee joint, enters a jet flow space through a jet flow pipe to form jet flow, attaches to one side wall surface of the jet flow space, and enters a branch pipe or a capillary pipe of the side wall surface; through the reversing action of the vibrator reversing device, the water flow is periodically switched and output at the left outlet and the right outlet, and pulse water flow is respectively generated in the branch pipe and the capillary; the pulse water flow of the branch pipe and the capillary enters the spray head after being superposed, so that the spray head forms a pulse spraying effect, the sprinkling intensity is reduced, and the spraying uniformity is improved.
Description
Technical Field
The invention belongs to the technical field of agricultural water-saving irrigation, and relates to a truss type sprinkler, in particular to a pulse truss sprinkler and an operation method.
Background
The truss type sprinkling machine saves water and labor, has the characteristics of high mechanization degree, large single-machine control area and strong adaptability, and expands the popularization and application range year by year in recent years. However, the existing truss type sprinkling machine is provided with a small nozzle range and high sprinkling intensity, so that the sprinkling intensity is often greater than the soil infiltration capacity, surface runoff flows occur, deep seepage and soil erosion are caused, and the operating efficiency of the sprinkling machine is reduced. The invention designs a pulse truss sprinkler which has a pulse sprinkling effect, the flow and the range of a sprinkler show the periodic change phenomenon from small to large and from large to small, the flow of the sprinkler can be reduced, the sprinkling uniformity is improved, and the sprinkling intensity is reduced.
Disclosure of Invention
In view of the above-mentioned problems or disadvantages of the conventional reel sprinkler, an object of the present invention is to provide a pulse truss sprinkler and an operation method thereof, which have low intensity of sprinkling irrigation and uniform sprinkling, and form a pulse sprinkling water flow by using a jet wall attachment and atmospheric pressure switching technology.
The present invention achieves the above-described object by the following technical means.
A pulse truss sprinkling machine and an operation method thereof comprise a truss, a main pipe, a capillary, a spray head, a branch pipe, a capillary jet pulse tee joint and a branch pipe jet pulse tee joint; the branch pipe is fixed on the truss, the branch pipe and the main pipe are connected through a branch pipe jet pulse tee joint, the inlet end of the capillary jet pulse tee joint is vertically connected with the branch pipe, two outlet ends of the capillary jet pulse tee joint are respectively connected with a capillary, and the tail end of the capillary is connected with a spray head.
In the scheme, the capillary jet pulse tee joint and the branch pipe jet pulse tee joint comprise a water inlet, a jet pipe, a jet space, a reversing device, an output pipe and an outlet; the water inlet is connected with a contraction pipe, and the rear part of the contraction pipe is connected with a jet pipe; the back of the jet pipe is connected with a jet space; the reversing device is positioned on the two side wall surfaces of the top end of the jet space; the bottom end of the jet space is divided into two channels which are respectively connected with a left output pipe and a right output pipe.
In the above scheme, the pulse truss sprinkler is divided into the following 3 schemes according to water supply and operation modes: the 1 st scheme is a reel type pulse truss sprinkler; the 2 nd scheme is a translational pulse truss sprinkler; the 3 rd option is a center pivot pulse truss sprinkler.
In the above scheme, the reversing device comprises 4 schemes of a vibrator reversing device, a negative pressure reversing device, a water pressure reversing device and a slide block reversing device:
p1, a vibrator reversing device comprises a left reversing channel, a right reversing channel, a vibrator, a hollow shaft, a left air inlet channel, a right air inlet channel, a left vent hole, a right vent hole, a left air inlet hole and a right air inlet hole; the vibrator is positioned above the bottom surface of the jet flow space, and the hollow shaft is positioned at the rotating center of the vibrator; two holes are formed in the wall surface of the hollow shaft and are respectively communicated with the left air inlet channel and the right air inlet channel; the tail ends of the left air inlet channel and the right air inlet channel are respectively provided with a left vent hole and a right vent hole; two holes are formed in the wall surface of the jet pulse tee joint to form a left air inlet hole and a right air inlet hole; the left air inlet hole is communicated with the left reversing channel, and the right air inlet hole is communicated with the right reversing channel; the hollow shaft penetrates through the upper wall surface and the lower wall surface of the jet flow pulse tee joint and rotates together with the vibrator; the left air inlet channel and the right air inlet channel are positioned in the vibrator and are sealed channels; the left vent hole and the right vent hole penetrate through the upper wall surface of the vibrator; when the left vent hole of the vibrator is superposed with the left air inlet hole, the vibrator plugs the output tube on the right side; when the right vent hole is superposed with the right air inlet hole, the oscillator blocks the output pipe on the left side; water flow enters the jet space through the jet pipe to form jet flow, and a wall attachment effect is generated; if the wall is attached to the left side wall surface of the jet flow space, the jet flow is output through the left output pipe, and the impact vibrator rotates rightwards; when the left vent hole is superposed with the left air inlet hole, air pressure acts on the jet flow position of the left side wall surface through the left reversing channel from the left air inlet channel, so that the jet flow is reversed to the right side auxiliary wall; the jet flow direction is periodically and alternately changed by the cyclic reciprocating, and a jet flow pulse effect is formed in the jet flow tee joint.
P2, a negative pressure reversing device comprises a left reversing channel and a right reversing channel; the left side wall and the right side wall at the top end of the jet space are provided with holes which are respectively communicated with a left reversing channel and a right reversing channel; water flow enters the jet space through the jet pipe to form jet flow, and a wall attachment effect is generated; if the wall is attached to the left side wall surface of the jet flow space, negative pressure is generated in the left reversing channel under the action of jet flow entrainment; along with the continuation of the jet flow, the negative pressure is transmitted into the right reversing channel, and pressure difference is generated on two sides of the jet flow to form a negative pressure feedback effect so that the jet flow is reversed to the right side wall surface; the jet flow direction is periodically and alternately changed by the cyclic reciprocating, and a jet flow pulse effect is formed in the jet flow tee joint.
P3, a hydraulic reversing device which comprises a left reversing channel and a right reversing channel; the left side wall and the right side wall at the top end of the jet space are respectively provided with a hole, the outer wall surfaces of the left water outlet pipe and the right water outlet pipe are respectively provided with a hole, and the two holes at the same side are communicated by a channel to form a left-right reversing channel; pressure water flow enters a jet flow space through a jet flow pipe to form jet flow, and a wall attachment effect is generated under the jet flow entrainment effect; if the jet flow is attached to the left side wall surface of the jet flow space firstly, the jet flow enters the left water outlet pipe, one part of water flow is output from the left water outlet pipe and enters the pipeline, and the other part of water flow exerts pressure on the jet flow through the left reversing channel to form a water pressure feedback effect, so that the jet flow is reversed to the right side wall surface and enters the right water outlet pipe; the jet flow is cyclically output in a switching way at the water outlet pipe, and a jet flow pulse effect is formed in the jet flow tee joint.
P4, a slide block reversing device which comprises a jet flow control area, a left reversing channel, a right reversing channel, a sliding pipe, a partition plate, a left air inlet hole, a left inner hole, a right inner hole and a right air inlet hole; the jet space is positioned behind the jet pipe; the left and right side walls at the upper end of the jet space are provided with holes which are respectively communicated with a left reversing channel and a right reversing channel; the sliding pipe is arranged inside the intersection of the left reversing channel and the right reversing channel; a clapboard is arranged in the middle of the sliding pipe; a left reversing channel on the left side of the clapboard and the upper wall surface of the sliding pipe are respectively provided with a hole to form a left air inlet hole and a left inner hole; the right reversing channel on the right side of the partition plate and the upper wall surface of the sliding pipe are respectively provided with a hole to form a right air inlet hole and a right inner hole; the cross sections of the left reversing channel, the right reversing channel and the sliding pipe can be circular or square, and the outer wall of the sliding pipe is tightly attached to the inner walls of the left reversing channel and the right reversing channel; water flow enters the jet space through the jet pipe to form jet flow, and a wall attachment effect is generated; if the wall is attached to the left side wall surface of the jet flow space, negative pressure is generated in the left reversing channel under the action of jet flow entrainment, suction towards the left side is generated on the sliding pipe, and the sliding pipe moves towards the left side; when the left air inlet hole is overlapped with the left inner hole, the right air inlet hole is blocked by the sliding pipe, air enters the left reversing channel, the direction of the jet flow wall attachment is changed under the action of atmospheric pressure, and the jet flow is turned to the wall attachment on the right side wall surface of the jet flow space; and vice versa, the jet flow direction is cyclically changed, and the jet flow pulse effect is formed in the spray gun.
In the above scheme, the pulse truss sprinkler includes the following 3 schemes according to the combination condition of using the capillary jet pulse tee and the branch pipe jet pulse tee: the 1 st scheme is to use a capillary jet pulse tee joint and a branch pipe jet pulse tee joint at the same time; the 2 nd proposal is that only a capillary jet pulse tee is used; the 3 rd solution is to use only a branch jet impulse tee.
In the scheme, the water inlet is circular, and the diameter of the capillary jet pulse tee water inlet is 3-30 mm; the diameter of the water inlet of the branch pipe jet pulse tee is 25mm-110mm;
in the scheme, the cross section of the jet pipe and the jet space can be in a shape formed by a rectangle or a middle rectangle, and two sides of the jet pipe and the jet space are semicircular; the cross sections of the left output pipe and the right output pipe are in the shape of a front circle and a rear circle.
In the above scheme, the operation method includes the following steps: moving the pulse truss sprinkler to a pressure water source position, and connecting the main pipe with the pressure water source; starting a pressure water source, starting the pulse truss sprinkler from an initial sprinkling position to move, simultaneously enabling pressure water flow to reach a branch pipe from a main pipe through a branch pipe jet flow pulse tee joint, then reach a capillary pipe through a capillary pipe jet flow pulse tee joint, reach a nozzle through the capillary pipe, and sprinkle the spray nozzle to the field; when the pulse truss sprinkler moves to the tail end sprinkling position, the sprinkling irrigation of the whole field is completed; in the working process of the pulse truss sprinkler, when pressure water flow enters the water inlets of the branch pipe jet flow pulse tee joint and the capillary jet flow pulse tee joint, the pressure water flow enters the incident flow space through the jet pipe to form jet flow; if the jet flow is sucked, the jet flow is attached to the left side wall surface of the jet flow space, enters a left output pipe of the left side wall surface, and is output to the branch pipe and the capillary pipe through the left output pipe; due to the reversing action of the jet flow reversing device, the water flow is periodically switched and output at the left output pipe and the right output pipe, and pulse water flow is respectively generated in the branch pipe and the capillary; the pulse water flow generated in the branch pipe is transferred to the capillary and enters the spray head after being superposed with the pulse water flow generated in the capillary, so that the spray head forms a pulse spraying effect.
The invention has the beneficial effects that:
1. when the pulse truss sprinkler works, pressure water flow enters a water inlet of the jet pulse tee joint, enters a jet space through the jet pipe to form jet flow, attaches to one side wall surface of the jet space, and enters a branch pipe or a capillary pipe of the side wall surface; through the reversing action of the vibrator reversing device, the water flow is periodically switched and output at the left outlet and the right outlet, and pulse water flow is respectively generated in the branch pipe and the capillary; the pulse water flow of the branch pipe and the capillary pipe is superposed and then enters the spray head, so that the spray head forms a pulse spraying effect, the sprinkling intensity is reduced, and the spraying uniformity is improved.
2. The invention uses atmospheric pressure to switch the direction of jet flow wall attachment, generates pulse water flow in the spray head, can obtain ideal pulse waveform and parameters, and forms pulse spraying effect.
3. The swing of the vibrator is set to switch the action direction of atmospheric pressure, and the wall attachment is stable in reversing; by providing the damping device, the pulse frequency, amplitude and pulse waveform can be controlled.
4. Jet pulse wave orders about two adjacent shower nozzles and periodically sprays in turn, sprays the distance and increases gradually from near to far away, has solved the problem that the shower nozzle is near to spray that the water yield is little and local water yield gathers, obtains ideal spraying water yield distribution, increases and sprays the homogeneity.
5. When the inlet pressure is the same, the maximum flow of the pulse spray head is unchanged, and the range of the spray head can be ensured to be unchanged; the average flow of the pulse spray head is reduced, which is beneficial to reducing the sprinkling irrigation intensity.
Drawings
FIG. 1 is a front view of an impulse truss sprinkler according to an embodiment of the present invention;
FIG. 2 is a schematic front view of the fluidic impulse tee referred to in FIG. 1;
FIG. 3 is a schematic cross-sectional elevation view of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a negative pressure reversing device;
fig. 5 is a schematic sectional view of the hydraulic pressure reversing device.
FIG. 6 is a schematic cross-sectional view of a slider reversing device;
FIG. 7 is an enlarged view of the air intake device of FIG. 6; wherein, the diagram (a) is a left-side air inlet schematic diagram, and the diagram (b) is a right-side air inlet schematic diagram.
Reference numerals:
1. a truss; 2. a main tube; 3. a capillary; 4. a spray head; 5. a branch pipe; 6. a hollow billet jet pulse tee joint; 6-1, a water inlet; 6-2, a jet pipe; 6-3, jet flow space; 6-4, a jet flow reversing device; 6-4-1, a left reversing channel; 6-4-2, right reversing channel; 6-4-3, a vibrator; 6-4-4 hollow shaft; 6-4-5, left air inlet channel; 6-4-6, right air inlet channel; 6-4-7, left vent hole; 6-4-8 and a right vent hole; 6-4-9 of a left air inlet hole; 6-4-10 parts of right air inlet hole; 6-5, a left output pipe; 6-6, a right output pipe; 7. branch pipe jet pulse tee joint; H. an air intake device; h1, a sliding tube; h2, a partition plate; h3, a left air inlet hole; h4, a left inner hole; h5, a right air inlet hole; h6 and a right inner hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Example 1:
referring to the attached figure 1, the pulse truss sprinkler comprises a truss 1, a main pipe 2, a capillary 3, a spray head 4, a branch pipe 5, a capillary jet pulse tee 6 and a branch pipe jet pulse tee 7; the branch pipe 5 is fixed on the truss 1, the branch pipe 5 and the main pipe 2 are connected through a branch pipe jet flow pulse tee 7, the inlet end of a capillary jet flow pulse tee 6 is vertically connected with the branch pipe 5, two outlet ends of the capillary jet flow pulse tee 6 are respectively connected with a capillary 3, and the tail end of the capillary 3 is connected with a spray head 4.
Referring to the attached drawings 2 and 3, the capillary jet flow pulse tee joint 6 and the branch pipe jet flow pulse tee joint 7 comprise a water inlet 6-1, a jet flow pipe 6-2, a jet flow space 6-3, a reversing device 6-4, an output pipe 6-5 and an outlet 6-6; the water inlet 6-1 is connected with a contraction pipe, and the rear part of the contraction pipe is connected with a jet pipe 6-2; the rear part of the jet pipe 6-2 is connected with a jet space 6-3; the reversing device 6-4 is positioned on the two side wall surfaces at the top end of the jet space 6-3; the bottom end of the jet space 6-3 is divided into two channels which are respectively connected with a left output pipe 6-5 and a right output pipe 6-6.
With reference to the attached drawing 1, the pulse truss sprinkler is divided into the following 3 schemes according to water supply and operation modes: the 1 st scheme is a reel type pulse truss sprinkler; the 2 nd scheme is a translational pulse truss sprinkler; the 3 rd option is a center pivot pulse truss sprinkler.
Referring to fig. 2 and 3, the jet flow reversing device 6-4 is a vibrator reversing device; the vibrator reversing device comprises a left reversing channel 6-4-1, a right reversing channel 6-4-2, a vibrator 6-4-3, a hollow shaft 6-4-4, a left air inlet channel 6-4-5, a right air inlet channel 6-4-6, a left vent hole 6-4-7, a right vent hole 6-4-8, a left air inlet hole 6-4-9 and a right air inlet hole 6-4-10; the vibrator 6-4-3 is positioned above the bottom surface of the jet flow space 6-3, and the hollow shaft 6-4-4 is positioned at the rotating center of the vibrator 6-4-3; two holes are formed in the wall surface of the hollow shaft 6-4-4 and are respectively communicated with a left air inlet 6-4-5 and a right air inlet 6-4-6; the tail ends of the left air inlet 6-4-5 and the right air inlet 6-4-6 are respectively provided with a left vent 6-4-7 and a right vent 6-4-8; two holes are formed in the wall surface of the jet pulse tee joint to form a left air inlet hole 6-4-9 and a right air inlet hole 6-4-10; the left air inlet 6-4-9 is communicated with the left reversing channel 6-4-1, and the right air inlet 6-4-10 is communicated with the right reversing channel 6-4-2; the hollow shaft 6-4-4 penetrates through the upper wall surface and the lower wall surface of the jet pulse tee joint and rotates together with the vibrator 6-4-3; the left air inlet channel 6-4-5 and the right air inlet channel 6-4-6 are positioned inside the vibrator 6-4-3 and are sealed channels; the left vent hole 6-4-7 and the right vent hole 6-4-8 penetrate through the upper wall surface of the vibrator 6-4-3; the water flow enters the jet flow space 6-3 through the jet flow pipe 6-2 to form jet flow, and the wall attachment effect is generated; if the jet flow is attached to the left side wall surface of the jet flow space 6-3, the jet flow is output through the left output pipe 6-5, and the impact vibrator 6-4-3 rotates rightwards; when the left vent hole 6-4-7 is superposed with the left air inlet hole 6-4-9, air pressure enters from the left air inlet channel 6-4-5 and acts on the jet flow position on the left side wall surface through the left reversing channel 6-4-1, so that the jet flow is reversed to the right side wall attachment; the jet flow direction is periodically and alternately changed by the cyclic reciprocating, and a jet flow pulse effect is formed in the jet flow tee joint.
Referring to the attached figure 1, the pulse truss sprinkler comprises the following 3 schemes according to the combination condition of a capillary jet flow pulse tee joint 6 and a branch pipe jet flow pulse tee joint 7: the 1 st scheme is that a capillary jet flow impulse tee 6 and a branch pipe jet flow impulse tee 7 are used simultaneously; the 2 nd scheme is that only a capillary jet flow pulse tee 6 is used; the 3 rd solution is to use only the branch jet impulse tee 7.
With reference to the attached drawings 2 and 3, the water inlet 6-1 is circular, and the diameter of the capillary jet pulse tee water inlet is 3mm-30mm; the diameter of the water inlet of the branch pipe jet pulse tee is 25mm-110mm; the cross sections of the jet pipe 6-2 and the jet space 6-3 can be rectangular or rectangular in the middle, and the two sides are semicircular; the cross sections of the left output pipe 6-5 and the right output pipe 6-5 are in the shapes of front and back circles.
With reference to fig. 1 to 3, the operation method includes the following steps: moving the pulse truss sprinkler to a pressure water source position, and connecting the main pipe 2 with the pressure water source; starting a pressure water source, starting the pulse truss sprinkler from an initial sprinkling position to move, simultaneously enabling pressure water flow to reach a branch pipe 5 from a main pipe 2 through a branch pipe jet flow pulse tee 7, then reach a capillary 3 through a capillary jet flow pulse tee 6, reach a nozzle 4 from the capillary 3, and sprinkle the pressure water flow to a field; when the pulse truss sprinkler moves to the tail end sprinkling position, the sprinkling irrigation of the whole field is completed; in the working process of the pulse truss sprinkler, when pressure water flow enters the water inlet 6-1 of the branch pipe jet flow pulse tee joint 7 and the capillary jet flow pulse tee joint 6, the pressure water flow enters the incident flow space 6-3 through the jet pipe 6-2 to form jet flow; if the jet flow is attached to the left side wall surface of the jet flow space 6-3 under the action of jet flow entrainment, the jet flow enters a left output pipe 6-5 on the left side wall surface, and is output to the branch pipe 5 and the capillary 3 through the left output pipe 6-5; due to the reversing action of the jet flow reversing device 6-4, the water flow is periodically switched and output at the left output pipe 6-5 and the right output pipe 6-6, and pulse water flow is respectively generated in the branch pipe 5 and the capillary 3; the pulse water flow generated in the branch pipe 5 is transmitted to the capillary 3 and enters the spray head 4 after being superposed with the pulse water flow generated in the capillary 3, so that the spray head 4 forms a pulse spraying effect.
Example 2:
referring to fig. 1 to 4, the basic structural features and implementation method of embodiment 2 are similar to those of embodiment 1, and the differences from embodiment 1 are the structure of the jet flow reversing device 6-4 and the reversing method.
Referring to FIG. 4, the jet flow reversing device 6-4 is a negative pressure reversing device, and comprises a left reversing channel 6-4-1 and a right reversing channel 6-4-2; the left side wall and the right side wall at the top end of the jet flow space 6-3 are provided with holes which are respectively communicated with a left reversing channel 6-4-1 and a right reversing channel 6-4-2; the water flow enters the jet flow space 6-3 through the jet flow pipe 6-2 to form jet flow, and the wall attachment effect is generated; if the wall is attached to the left side wall surface of the jet flow space 6-3, negative pressure is generated in the left reversing channel 6-4-1 under the action of jet flow entrainment; along with the continuation of the jet flow, the negative pressure is transmitted into the right reversing channel 6-4-2, and pressure difference is generated at the two sides of the jet flow to form a negative pressure feedback effect, so that the jet flow is reversed to the right side wall surface; the jet flow direction is periodically and alternately changed by the cyclic reciprocating, and a jet flow pulse effect is formed in the jet flow tee joint.
Example 3:
referring to fig. 1 to 5, the basic structural features and implementation method of embodiment 3 are similar to those of embodiment 1, and the differences from embodiment 1 are the structure of the jet flow reversing device 6-4 and the reversing method.
Referring to FIG. 5, the jet flow reversing device 6-4 is a hydraulic reversing device and comprises a left reversing channel 6-4-1 and a right reversing channel 6-4-2; the left side wall and the right side wall at the top end of the jet space 6-3 are respectively provided with a hole, the outer wall surfaces of the left output pipe 6-5 and the right output pipe 6-6 are respectively provided with a hole, and the two holes at the same side are communicated by a channel to respectively form a left reversing channel 6-4-1 and a right reversing channel 6-4-2; the pressure water flow enters the jet flow space 6-3 through the jet flow pipe 6-2 to form jet flow, and the wall attachment effect is generated under the jet flow entrainment effect; if the jet flow space is firstly attached to the left side wall surface of the jet flow space 6-3 and enters the left output pipe 6-5, one part of the water flow is output from the left output pipe 6-5 and enters the pipeline, and the other part of the water flow applies pressure to the jet flow through the left reversing channel 6-4-1 to form a water pressure feedback effect, so that the jet flow is reversed to the right side wall surface and enters the right output pipe 6-6; the jet flow is cyclically reciprocated, so that the jet flow is periodically switched and output at the water outlet pipe, and a jet flow pulse effect is formed in the jet flow tee joint.
Example 4:
with reference to fig. 1 to 7, the basic structural features and implementation method of embodiment 4 are similar to those of embodiment 1, and the differences from embodiment 1 are the structure of the reversing device 6-4 and the reversing method;
referring to fig. 6 and 7, the reversing device 6-4 is a slider reversing device, and comprises a left reversing channel 6-4-1, a right reversing channel 6-4-2, a sliding tube H1, a partition plate H2, a left air inlet hole H3, a left inner hole H4, a right air inlet hole H5 and a right inner hole H6; the jet space 6-3 is positioned behind the jet pipe 6-2; the left and right side walls of the jet space 6-3 are provided with holes which are respectively communicated with a left reversing channel 6-4-1 and a right reversing channel 6-4-2; the sliding pipe H1 is arranged inside the junction of the left reversing channel 6-4-1 and the right reversing channel 6-4-2; a partition plate H2 is arranged in the middle of the sliding pipe H1; a left reversing channel 6-4-1 on the left side of the clapboard H2 and the upper wall surface of the sliding pipe H1 are respectively provided with holes to form a left air inlet hole H3 and a left inner hole H4; the right reversing channel 6-4-2 on the right side of the clapboard H2 and the upper wall surface of the sliding tube H1 are respectively provided with holes to form a right air inlet hole H5 and a right inner hole H6; the sections of the left reversing channel 6-4-1, the right reversing channel 6-4-2 and the sliding tube H1 can be circular or square, and the outer wall of the sliding tube H1 is tightly attached to the inner walls of the left reversing channel 6-4-1 and the right reversing channel 6-4-2; the water flow enters the jet space 6-3 through the jet pipe 6-2 to form jet flow, and the wall attachment effect is generated; if the wall is attached to the left side wall surface of the jet flow space 6-3, negative pressure is generated in the left reversing channel 6-4-1 under the action of jet flow entrainment, suction towards the left side is generated on the sliding pipe H1, and the sliding pipe H1 moves towards the left side; when the left air inlet hole H3 is coincided with the left inner hole H4, the right air inlet hole H5 is blocked by the sliding tube H1, air enters the left reversing channel 6-4-1, the direction of the jet flow wall attachment is changed under the action of atmospheric pressure, and the jet flow wall attachment is changed on the right side wall surface of the jet flow space 6-3; and vice versa, the jet flow is circularly reciprocated in such a way that the direction of the jet flow is periodically and alternately changed, and a jet flow pulse effect is formed in the spray gun.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (8)
1. A pulse truss sprinkling irrigation machine is characterized by comprising a truss (1), a main pipe (2), a capillary (3), a spray head (4), branch pipes (5) and a jet pulse tee joint; the jet pulse tee joint comprises a capillary jet pulse tee joint (6) and a branch pipe jet pulse tee joint (7); the branch pipe (5) is fixed on the truss (1), the inlet end of the branch pipe jet flow pulse tee joint (7) is connected with the main pipe (2), and two outlet ends of the branch pipe jet flow pulse tee joint (7) are respectively connected with one branch pipe (5); the inlet end of the capillary jet flow pulse tee joint (6) is vertically connected with the branch pipe (5), two outlet ends of the capillary jet flow pulse tee joint (6) are respectively connected with a capillary (3), and the tail end of the capillary (3) is connected with a spray head (4);
the capillary jet flow pulse tee joint (6) and the branch pipe jet flow pulse tee joint (7) respectively comprise a water inlet (6-1), a jet flow pipe (6-2), a jet flow space (6-3), a reversing device (6-4), a left output pipe (6-5) and a right output pipe (6-6); a reducing pipe is connected behind the water inlet (6-1), and a jet pipe (6-2) is connected behind the reducing pipe; the jet pipe (6-2) is connected with a jet space (6-3) at the back; the reversing device (6-4) is positioned on the two side wall surfaces of the top end of the jet flow space (6-3); the bottom end of the jet space (6-3) is divided into two channels which are respectively connected with a left output pipe (6-5) and a right output pipe (6-6);
the reversing device (6-4) comprises a left reversing channel (6-4-1), a right reversing channel (6-4-2), a vibrator (6-4-3), a hollow shaft (6-4-4), a left air inlet channel (6-4-5), a right air inlet channel (6-4-6), a left vent hole (6-4-7), a right vent hole (6-4-8), a left air inlet hole (6-4-9) and a right air inlet hole (6-4-10); the vibrator (6-4-3) is positioned above the bottom surface of the jet flow space (6-3), and the hollow shaft (6-4-4) is positioned at the rotating center of the vibrator (6-4-3); two holes are formed in the wall surface of the hollow shaft (6-4-4) and are respectively communicated with the left air inlet (6-4-5) and the right air inlet (6-4-6); the tail ends of the left air inlet (6-4-5) and the right air inlet (6-4-6) are respectively provided with a left vent hole (6-4-7) and a right vent hole (6-4-8); two holes are formed in the wall surface of the jet flow pulse tee joint to form a left air inlet hole (6-4-9) and a right air inlet hole (6-4-10); the left air inlet (6-4-9) is communicated with the left reversing channel (6-4-1), and the right air inlet (6-4-10) is communicated with the right reversing channel (6-4-2).
2. The pulse truss sprinkler according to claim 1, characterized in that the hollow shaft (6-4-4) penetrates through the upper and lower wall surfaces of the jet pulse tee and rotates together with the vibrator (6-4-3); the left air inlet channel (6-4-5) and the right air inlet channel (6-4-6) are positioned in the vibrator (6-4-3) and are sealed channels; the left vent hole (6-4-7) and the right vent hole (6-4-8) penetrate through the upper wall surface of the vibrator (6-4-3).
3. The pulse truss sprinkler according to claim 1, wherein the vibrator (6-4-3) blocks the output pipe (6-6) on the right side when the left vent hole (6-4-7) coincides with the left air inlet hole (6-4-9); when the right vent hole (6-4-8) is superposed with the right air inlet hole (6-4-10), the oscillator (6-4-3) plugs the output pipe (6-5) on the left side.
4. The impulse truss sprinkler as claimed in claim 1, characterized by the following 3 options according to the combination of using the capillary jet impulse tee (6) and the branch jet impulse tee (7): the 1 st scheme is that a capillary jet flow impulse tee joint (6) and a branch pipe jet flow impulse tee joint (7) are used simultaneously; the 2 nd proposal is that only a capillary jet pulse tee (6) is used; the 3 rd scheme is to use only branch pipe jet pulse tee (7).
5. The pulse truss sprinkler according to claim 1, characterized in that the water inlet (6-1) is circular, the diameter of the water inlet of the capillary jet pulse tee (6) is 3mm-30mm; the diameter of the water inlet of the branch pipe jet flow pulse tee joint (7) is 25mm-110mm.
6. The impulse truss sprinkler according to claim 1, characterized in that the jet pipe (6-2) and the jet space (6-3) may be rectangular or rectangular in cross-section with a shape consisting of two semi-circular sides, or a middle rectangle.
7. The impulse truss sprinkler according to claim 1, wherein the left outlet pipe (6-5) and the right outlet pipe (6-6) have a cross-section in the shape of a front and a rear circle.
8. The method of operating an impulse truss sprinkler as claimed in any one of claims 1 to 7, including the steps of: moving the pulse truss sprinkler to a pressure water source position, and connecting the main pipe (2) with the pressure water source; starting a pressure water source, starting the pulse truss sprinkler from an initial spraying position, simultaneously enabling pressure water flow to reach a branch pipe (5) from a main pipe (2) through a branch pipe jet flow pulse tee joint (7), reach a capillary pipe (3) through a capillary pipe jet flow pulse tee joint (6), reach a spray head (4) from the capillary pipe (3), and spray the pressure water flow to the field; when the pulse truss sprinkler moves to the tail end sprinkling position, the sprinkling irrigation of the whole field is completed; in the working process of the pulse truss sprinkler, when pressure water flow enters a water inlet (6-1) of the branch pipe jet flow pulse tee joint (7) and the capillary pipe jet flow pulse tee joint (6), the pressure water flow enters an incident flow space (6-3) through the jet pipe (6-2) to form jet flow; if the jet flow is attached to the left side wall surface of the jet flow space (6-3) under the jet flow entrainment effect, the jet flow enters a left output pipe (6-5) of the left side wall surface and is output to the branch pipe (5) and the capillary (3) through the left output pipe (6-5); due to the reversing action of the jet flow reversing device (6-4), the water flow is periodically switched and output at the left output pipe (6-5) and the right output pipe (6-6), and pulse water flow is respectively generated in the branch pipe (5) and the capillary pipe (3); the pulse water flow generated in the branch pipe (5) is transmitted to the capillary (3) and is superposed with the pulse water flow generated in the capillary (3) to enter the spray head (4), so that the spray head (4) forms a pulse spraying effect.
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| CN202111560407.6A CN114287327B (en) | 2021-12-20 | 2021-12-20 | Pulse truss sprinkling machine and operation method |
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| CN202111560407.6A CN114287327B (en) | 2021-12-20 | 2021-12-20 | Pulse truss sprinkling machine and operation method |
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| CN114287327A CN114287327A (en) | 2022-04-08 |
| CN114287327B true CN114287327B (en) | 2023-03-21 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2171419Y (en) * | 1993-03-05 | 1994-07-13 | 北京建筑工程学院 | Blossom direct-flow multipurpose sprinkler head |
| CN102657063A (en) * | 2012-05-03 | 2012-09-12 | 北京林业大学 | Mechanical moving type alfalfa root cap microspray irrigation device |
| CN102865429A (en) * | 2012-10-15 | 2013-01-09 | 江苏大学 | Fluidic impulse tee joint |
| CN105944856B (en) * | 2016-07-04 | 2019-01-08 | 江苏大学 | A kind of twin-jet nozzle fluid jet nozzle and spray method |
| CN109287448B (en) * | 2018-10-24 | 2023-06-23 | 黑龙江省水利科学研究院 | Intelligent truss type reel sprinkler |
| CN111280030A (en) * | 2020-03-24 | 2020-06-16 | 江苏华源节水股份有限公司 | Small truss type spray head vehicle |
| CN213819256U (en) * | 2020-11-25 | 2021-07-30 | 江苏中水灌排设备有限公司 | Center pivot type sprinkling irrigation machine |
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