CN113228916A

CN113228916A - Irrigation type fertilization system before corn ear emergence

Info

Publication number: CN113228916A
Application number: CN202110507511.2A
Authority: CN
Inventors: 王志超; 王国群; 王新伟; 段淑娟; 卢亚飞
Original assignee: Jiyuan Chaoqun Agricultural Technology Development Co ltd
Current assignee: Jiyuan Chaoqun Agricultural Technology Development Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-08-10

Abstract

The invention relates to the technical field of fertilization equipment, in particular to a corn pre-spike irrigation type fertilization system, which comprises a base frame, wherein a water tank is arranged on one side of the top of the base frame, a fertilizer treatment box for dissolving fertilizer is arranged on the outer side of the water tank, a mixing box for mixing water with the dissolved fertilizer is arranged at the bottom of the fertilizer treatment box, the bottom of the outer side of the water tank is communicated with the mixing box through a first connecting pipe, a water inlet is arranged at the top of the fertilizer treatment box, the water inlet is communicated with the first connecting pipe through a second connecting pipe, a pressure pump for pressurizing water is arranged on the outer side of the first connecting pipe, the top of the mixing box is communicated with the bottom of the fertilizer treatment box, an electromagnetic flow valve is arranged at the joint of the mixing box and the fertilizer treatment box, and a third connecting pipe is arranged on the outer side of the mixing box, so that the fertilizer can be fully utilized, but also can provide certain moisture for the corn simultaneously.

Description

Irrigation type fertilization system before corn ear emergence

Technical Field

The invention relates to the technical field of fertilization equipment, in particular to a corn pre-heading irrigation type fertilization system.

Background

The heading stage of maize marks the maize growth from vegetative (growth of roots and stems, leaves, etc. is shifted to reproductive growth). Namely the concurrent phase of vegetative growth and reproductive growth. The method is the most important key period for determining the yield of the corn, and is also the period with the fastest growth and development and the most requirements on nutrients, moisture, temperature and illumination in the whole life of the corn. Therefore, the fertilizer is the best period for topdressing.

Because the corn has a certain growth height in the heading period, the mode of fertilizing firstly and then irrigating is inconvenient to fertilize, a fertilizer applicator is introduced for solving the technical problems, but the mode easily causes damage to the root of the corn, and the other method is fertilizing in a fertilizer spreading mode, so that the mode easily causes the phenomenon that the nutrition cannot be fully utilized by the corn, and the resource waste is caused.

Disclosure of Invention

In view of the above, the invention provides a corn pre-heading irrigation type fertilization system, which not only can make full use of fertilizer, but also can provide certain moisture for corn.

In order to solve the technical problems, the invention provides a corn pre-spike irrigation type fertilization system, which comprises a base frame, wherein a water tank is arranged on one side of the top of the base frame, a fertilizer treatment tank for dissolving fertilizer is arranged on the outer side of the water tank, a mixing tank for mixing water with the dissolved fertilizer is arranged at the bottom of the fertilizer treatment tank, the bottom of the outer side of the water tank is communicated with the mixing tank through a first connecting pipe, a water inlet is arranged at the top of the fertilizer treatment tank, the water inlet is communicated with the first connecting pipe through a second connecting pipe, a pressure pump for pressurizing water is arranged on the outer side of the first connecting pipe, the top of the mixing tank is communicated with the bottom of the fertilizer treatment tank, an electromagnetic flow valve is arranged at the joint of the mixing tank and the fertilizer treatment tank, a third connecting pipe is arranged on the outer side of the mixing tank, and one end of the outer side of the third connecting pipe is connected with a telescopic pipe, the other end of the telescopic pipe is connected with a fourth connecting pipe, an adjusting mechanism for adjusting the height of the fourth connecting pipe is arranged between the fourth connecting pipe and the underframe, two spray bars are connected to one end of the outer side of the fourth connecting pipe, and a spray head is fixedly connected to the bottom end of each spray bar.

Further, the incasement wall fixedly connected with second baffle is handled to fertilizer, the second baffle is cut apart into the stirring chamber with the fertilizer processing case and is dissolved the chamber in advance, the stirring chamber is located and dissolves the chamber bottom in advance, set up the bin outlet that two symmetries set up on the second baffle, the bin outlet bottom is provided with the apron, the apron bottom with be provided with the second electric putter that is used for controlling the apron to open and shut between the fertilizer processing incasement wall.

Further, the pivot is all worn to be equipped with in stirring chamber and the intracavity portion of dissolving in advance, the pivot top is provided with and is used for driving pivot pivoted motor, pivot top outer wall is provided with first stirring vane, pivot bottom outer wall is provided with second stirring vane, first stirring vane and second stirring vane all can dismantle with the pivot through fixed cover and be connected.

Furthermore, a rotating plate is arranged above the second partition plate, a gap is reserved between the bottom of the rotating plate and the second partition plate, the rotating plate is fixedly installed on the outer wall of the rotating shaft, and a plurality of uniformly distributed helical teeth are fixedly connected to the top of the rotating plate.

Furthermore, the inner wall of the mixing box is provided with two guide plates which are arranged in parallel, the inner wall of the mixing box is fixedly connected with a first baffle plate, an S-shaped flow channel is formed between the two guide plates and the inner wall of the mixing box of the first baffle plate machine, a mixing cavity is formed between the other side of the first baffle plate and the inner wall of the mixing box, and one end of a third connecting pipe is communicated with the top of the mixing cavity.

Further, adjustment mechanism includes two fixed mounting at the riser at chassis top, and sliding connection has the lifter plate between two risers, the lifter plate bottom with be provided with the first electric putter that is used for driving the lifter plate and reciprocates between the chassis, the lifter plate top is provided with the layer board that is used for installing the fourth connecting pipe, pass through support frame fixed connection between layer board and the lifter plate.

Furthermore, the top ends of the spray rods are hinged with the support plate through connecting pieces, an included angle is formed between the two spray rods, the included angle ranges from 0 degrees to 120 degrees, and the top ends of the spray rods are communicated with a fourth connecting pipe through a connecting hose.

Further, two the slope of spray lance top sets up, is provided with flexible subassembly between two spray lances, flexible subassembly both ends are passed through the connecting piece and are articulated with two spray lances respectively, flexible subassembly includes the barrel, wear to be equipped with the telescopic link in the barrel, slide and barrel inner wall sliding connection are passed through to the inboard one end of telescopic link, be provided with the spring that is used for providing elasticity for the slide between slide inboard and the barrel inner wall.

Furthermore, a valve is arranged at the joint of the second connecting pipe and the water inlet, and a feed opening is formed in the top of the fertilizer treatment box.

Further, the four corners of the bottom frame are provided with rollers.

The technical scheme of the invention has the following beneficial effects:

1. according to the invention, by arranging the water tank, the fertilizer treatment tank, the mixing tank, the first connecting pipe, the second connecting pipe, the third connecting pipe, the fourth connecting pipe, the telescopic pipe, the spray rod and the spray head, when fertilizer is applied, the fertilizer is dissolved in the fertilizer treatment tank, the dissolved waste material enters the mixing tank, water in the water tank is pressurized by the pressure pump to enter the mixing tank and be mixed with the dissolved waste material, the mixed liquid is sprayed to the root of corn through the spray rod and the spray head, and the corn absorbs nutrients and can supplement certain moisture at the same time.

2. According to the fertilizer processing box, the stirring cavity and the pre-dissolving cavity are arranged in the fertilizer processing box, the dissolved fertilizer enters the mixing box through the stirring cavity in the fertilizing process, and can be dissolved in the pre-dissolving box in advance in the spraying process, so that the fertilizer dissolving efficiency is improved, and normal fertilization is guaranteed; through set up pivot, first stirring vane, second stirring vane in fertilizer processing incasement portion, can further improve fertilizer dissolution efficiency, improve the practicality greatly.

3. According to the invention, the two guide plates are arranged in the mixing box, so that when water is contacted with the fertilizer flowing into the mixing box, the water can be mixed in the flow channel formed by the two guide plates, the mixing time is prolonged, and meanwhile, the mixing effect can be further improved by arranging the mixing cavity in the mixing box, so that the condition of uneven fertilizer mixing is avoided.

4. According to the invention, by arranging the adjusting mechanism, the height of the spray rod can be properly adjusted according to the height of the corn root in the process of fertilizing the corn so as to adapt to the requirements of different terrains; through making two spray lance slopes to set up flexible subassembly between two spray lances, at the walking in-process, avoid spray lance and maize contact, cause the condition emergence that can't advance, it is specific, when the width of spray lance is greater than between two lines of maize intervals, two spray lances can be drawn close to the middle part, guarantee equipment normal work.

Drawings

FIG. 1 is a schematic structural view of a front view of the present invention;

FIG. 2 is a side view of the adjusting mechanism of the present invention;

FIG. 3 is a schematic sectional view of a fertilizer treatment tank according to the present invention;

fig. 4 is a schematic cross-sectional view of the telescopic assembly of the present invention.

In the figure: 1. a chassis; 2. a water tank; 3. a first connecting pipe; 4. a fertilizer treatment box; 5. a water inlet; 6. a feeding port; 7. a second connecting pipe; 8. a pressure pump; 9. a valve; 10. a mixing box; 11. an electromagnetic flow valve; 12. a baffle; 13. a first separator; 14. a mixing chamber; 15. a third connecting pipe; 16. a telescopic pipe; 17. a fourth connecting pipe; 18. a support plate; 19. clamping a hoop; 20. a connecting member; 21. a spray rod; 22. a spray head; 23. a support frame; 24. a vertical plate; 25. a fixing plate; 26. a column; 27. a motor; 28. a roller; 29. a connecting hose; 30. a telescoping assembly; 301. a barrel; 302. a telescopic rod; 303. a slide plate; 304. a spring; 31. a lifting plate; 32. a first electric push rod; 33. a second separator; 34. a chute; 35. a slider; 36. a discharge hole; 37. a cover plate; 38. a second electric push rod; 39. a stirring chamber; 40. a pre-dissolution chamber; 41. fixing a sleeve; 42. a rotating shaft; 43. a rotating plate; 44. helical teeth; 45. a first stirring blade; 46. a second stirring blade.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

As shown in fig. 1-4: the corn pre-heading irrigation type fertilization system comprises a bottom frame 1, wherein a water tank 2 is arranged on one side of the top of the bottom frame 1, a fertilizer treatment tank 4 is arranged on the outer side of the water tank 2, a mixing tank 10 is arranged at the bottom of the fertilizer treatment tank 4, a spray rod 21 is arranged on the outer side of the mixing tank 10, and an adjusting mechanism for adjusting the height of the spray rod 21 is arranged on the top of the bottom frame 1;

specifically, the irrigation type fertilization system before corn ear emergence comprises a base frame 1, wherein a water tank 2 is fixed on one side of the top of the base frame 1, a fertilizer treatment tank 4 for dissolving fertilizer is fixedly arranged on the outer side of the water tank 2, a fixing plate 25 is fixedly connected to the outer wall of the fertilizer treatment tank 4, a plurality of upright posts 26 are fixedly connected to the bottom of the fixing plate 25, the bottom ends of the upright posts 26 are fixedly connected with the top of the base frame 1, a mixing tank 10 for mixing water with the dissolved fertilizer is fixedly arranged at the bottom of the fertilizer treatment tank 4, the bottom of the outer side of the water tank 2 is communicated with the mixing tank 10 through a first connecting pipe 3, a water inlet 5 is arranged at the top of the fertilizer treatment tank 4, a feed opening 6 is arranged on the outer side of the water inlet 5, the water inlet 5 is communicated with the first connecting pipe 3 through a second connecting pipe 7, a pressure pump 8 for pressurizing water is arranged on the outer side of the first connecting pipe 3, and the top of the mixing tank 10 is communicated with the bottom of the fertilizer treatment tank 4, and the junction of mixing box 10 and fertilizer processing box 4 installs electromagnetic flow valve 11, electromagnetic flow valve 11 can handle the fertilizer control flow after 4 inside dissolves of box to fertilizer, the one end fixedly connected with third connecting pipe 15 of liquid outlet outside mixing box 10, the one end in the third connecting pipe 15 outside is connected with flexible pipe 16, the flexible pipe 16 other end is connected with fourth connecting pipe 17, install the adjustment mechanism who is used for adjusting the height of fourth connecting pipe 17 between fourth connecting pipe 17 and chassis 1, the one end in the fourth connecting pipe 17 outside is connected with two spray lances 21, spray lance 21 bottom fixedly connected with shower nozzle 22.

In order to improve the fertilizer dissolving efficiency and ensure that the fertilizer dissolved in the fertilizing process is enough to be supplied into the mixing box 10, the inner wall of the fertilizer processing box 4 is fixedly connected with a second partition plate 33, the fertilizer processing box 4 is divided into a stirring cavity 39 and a pre-dissolving cavity 40 by the second partition plate 33, the stirring cavity 39 is positioned at the bottom of the pre-dissolving cavity 40, two symmetrically arranged discharge holes 36 are formed in the second partition plate 33, a cover plate 37 is arranged at the bottom of each discharge hole 36, one side of the cover plate 37 is hinged with the second partition plate 33, and a second electric push rod 38 for controlling the cover plate 37 to open and close is arranged between the bottom of the cover plate 37 and the inner wall of the fertilizer processing box 4;

during the first use, add fertilizer and suitable amount of water in fertilizer processing case 4, and open apron 37, dissolve fertilizer earlier, dissolve the completion back, close apron 37, add fertilizer and suitable amount of water in to dissolving chamber 40 in advance again, at the fertilization in-process, fertilizer can dissolve fertilizer in dissolving chamber 40 in advance, when the fertilizer after remaining dissolving in stirring chamber 39 is not enough, punch card apron 37, can in time supply the fertilizer after dissolving in stirring chamber 39, guarantee that equipment is just applying fertilizer.

In order to further improve the fertilizer dissolution speed and avoid the phenomenon that the fertilizer is precipitated in the fertilizer treatment box 4, rotating shafts 42 are respectively arranged in the stirring cavity 39 and the pre-dissolution cavity 40 in a penetrating manner, a motor 27 for driving the rotating shafts 42 to rotate is arranged at the top ends of the rotating shafts 42, first stirring blades 45 are arranged on the outer wall of the top ends of the rotating shafts 42, second stirring blades 46 are arranged on the outer wall of the bottom ends of the rotating shafts 42, and the first stirring blades 45 and the second stirring blades 46 are detachably connected with the rotating shafts 42 through fixing sleeves 41;

during the use, open motor 27, motor 27 drives pivot 42 and rotates, and pivot 42 drives first stirring vane 45 and second stirring vane 46 synchronous rotation, continuously stirs the fertilizer of dissolving through first stirring vane 45 and second stirring vane 46, improves promotion fertilizer solution rate on the one hand, and on the other hand avoids fertilizer to take place the phenomenon of sediment in fertilizer processing box 4.

In order to facilitate the fertilizer to be agglomerated to be broken, improve fertilizer and water mixing effect simultaneously, install rotor plate 43 above second baffle 33, reserve the clearance between rotor plate 43 bottom and the second baffle 33, rotor plate 43 fixed mounting is in pivot 42 outer wall, a plurality of evenly distributed's skewed tooth 44 of rotor plate 43 top fixedly connected with, skewed tooth 44 can play the crushing effect to fertilizer, avoids the bold fertilizer to deposit on second baffle 33 simultaneously.

For the mixed effect of the fertilizer after improving the dissolution and water, there are two parallel arrangement' S guide plate 12 at mixing box 10 inner wall fixed mounting, and the first baffle 13 of mixing box 10 inner wall fixedly connected with, form between two guide plates 12 and the first baffle 13 machine mixing box 10 inner wall and be "S" shape runner, "S" shape runner can prolong water and the fertilizer mix time who dissolves, form mixing chamber 14 between first baffle 13 opposite side and the mixing box 10 inner wall, 15 one end of third connecting pipe and 14 top intercommunications of mixing chamber, 14 setting of mixing chamber, can make the water after mixing mix once more.

In this embodiment, the adjusting mechanism specifically includes two vertical plates 24 fixedly installed at the top of the bottom frame 1, a lifting plate 31 is slidably connected between the two vertical plates 24, specifically, a sliding groove 34 is formed in one side of each of the two vertical plates 24, a sliding block 35 is slidably connected in the sliding groove 34, one side of each of the two sliding blocks 35 is fixedly connected with the lifting plate 31, the sliding groove 34 and the sliding block 35 are arranged, so that the stability of the lifting plate 31 can be improved, a first electric push rod 32 for driving the lifting plate 31 to move up and down is installed between the bottom of the lifting plate 31 and the bottom frame 1, a supporting plate 18 for installing a fourth connecting pipe 17 is installed at the top of the lifting plate 31, the fourth connecting pipe 17 is fixedly connected with the supporting plate 18 through a hoop 19, and the supporting plate 18 is fixedly connected with the lifting plate 31 through a supporting frame 23;

during the use, through the work of control first electric putter 32, can drive lifter plate 31 and reciprocate under first electric putter 32's effect, lifter plate 31 drives layer board 18 and reciprocates in step, realizes the regulation to the spray lance 21 height.

The top ends of the spray rods 21 are hinged with the supporting plate 18 through the connecting piece 20, an included angle is formed between the two spray rods 21, the included angle ranges from 0 degrees to 120 degrees, and the top ends of the spray rods 21 are communicated with the fourth connecting pipe 17 through the connecting hose 29; when using, can adjust the contained angle between two spray lance 21 through adjusting, can satisfy the requirement of the different distances of two lines of maize, improve the practicality.

Two spray lance 21 top slopes to set up, be provided with flexible subassembly 30 between two spray lance 21, flexible subassembly 30 both ends are articulated with two spray lance 21 respectively through connecting piece 20, flexible subassembly 30 includes barrel 301, wear to be equipped with telescopic link 302 in the barrel 301, slide 303 and barrel 301 inner wall sliding connection are passed through to the inboard one end of telescopic link 302, be provided with between the inboard and barrel 301 inner wall of slide 303 and be used for providing the spring 304 of elasticity for slide 303, set up through making two spray lance 21 slopes, and set up flexible subassembly 30 between two spray lance 21, in-process of walking, avoid spray lance 21 and maize contact, cause the unable condition emergence that advances, it is concrete, when the width of spray lance 21 is greater than between two lines of maize, flexible subassembly 30 shrink, two spray lance 21 can draw close to the middle part, guarantee equipment normal work.

For the convenient inflow of controlling fertilizer processing case 4, install valve 9 in second connecting pipe 7 and water inlet 5 junction, dog-house 6 has been seted up at fertilizer processing case 4 top.

To improve the flexibility of the invention, rollers 28 are mounted at the four corners of the chassis 1.

The working principle of the invention is as follows: when fertilizing, fertilizer is put into the fertilizer treatment box 4 through the feed port 6, a proper amount of water is added into the fertilizer treatment box 4 through the second connecting pipe 7, after the fertilizer is dissolved in the fertilizer treatment box 4, the electromagnetic flow valve 11 is opened, the water and the dissolved fertilizer are mixed in the mixing box 10, enter the spray rod 21 through the third connecting pipe 15, the telescopic pipe 16 and the fourth connecting pipe 17 in sequence, and are sprayed out through the spray head 22, and the fertilizing work is completed.

The electric motor 27, the first electric push rod 32, the second electric push rod 38 and the pressure pump 8 in the present invention are all of electric types known to those skilled in the art, and are not limited to a specific type, and can be selected according to the use situation.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a irrigated fertilization system before maize ear of grain, includes chassis (1), its characterized in that: the fertilizer treatment device is characterized in that a water tank (2) is arranged on one side of the top of the chassis (1), a fertilizer treatment box (4) used for dissolving fertilizer is arranged on the outer side of the water tank (2), a mixing box (10) used for mixing water and dissolved fertilizer is arranged at the bottom of the fertilizer treatment box (4), the bottom of the outer side of the water tank (2) is communicated with the mixing box (10) through a first connecting pipe (3), a water inlet (5) is arranged at the top of the fertilizer treatment box (4), the water inlet (5) is communicated with the first connecting pipe (3) through a second connecting pipe (7), a pressure pump (8) used for pressurizing water is arranged on the outer side of the first connecting pipe (3), the top of the mixing box (10) is communicated with the bottom of the fertilizer treatment box (4), and an electromagnetic flow valve (11) is arranged at the joint of the mixing box (10) and the fertilizer treatment box (4), the utility model discloses a high-efficient spray tank, including mixing box (10), mixing box (10) outside is provided with third connecting pipe (15), the one end in third connecting pipe (15) outside is connected with flexible pipe (16), flexible pipe (16) other end is connected with fourth connecting pipe (17), fourth connecting pipe (17) with be provided with the adjustment mechanism who is used for adjusting fourth connecting pipe (17) height between chassis (1), the one end in fourth connecting pipe (17) outside is connected with two spray lances (21), spray lance (21) bottom fixedly connected with shower nozzle (22).

2. The pre-spike fertigation system of claim 1, wherein: the fertilizer treatment box (4) inner wall fixedly connected with second baffle (33), stirring chamber (39) and dissolve chamber (40) in advance are cut apart into with fertilizer treatment box (4) in second baffle (33), stirring chamber (39) are located dissolve chamber (40) bottom in advance, discharge hole (36) that two symmetries set up are seted up on second baffle (33), discharge hole (36) bottom is provided with apron (37), apron (37) bottom with be provided with between fertilizer treatment box (4) inner wall and be used for controlling second electric putter (38) that apron (37) opened and shut.

3. The pre-spike fertigation system of claim 2, wherein: stirring chamber (39) and dissolve chamber (40) inside all wear to be equipped with pivot (42) in advance, pivot (42) top is provided with and is used for driving pivot (42) pivoted motor (27), pivot (42) top outer wall is provided with first stirring vane (45), pivot (42) bottom outer wall is provided with second stirring vane (46), first stirring vane (45) and second stirring vane (46) all can be dismantled with pivot (42) through fixed cover (41) and are connected.

4. The pre-spike fertigation system of claim 3, wherein: second baffle (33) top is provided with rotor plate (43), rotor plate (43) bottom with reserve between second baffle (33) has the clearance, rotor plate (43) fixed mounting is in pivot (42) outer wall, a plurality of evenly distributed's skewed tooth (44) of rotor plate (43) top fixedly connected with.

5. The pre-spike fertigation system of claim 1, wherein: mixing box (10) inner wall is provided with two parallel arrangement' S guide plate (12), and mixing box (10) inner wall fixedly connected with first baffle (13), forms between two guide plates (12) and first baffle (13) machine mixing box (10) inner wall to be "S" shape runner, form mixing chamber (14) between first baffle (13) opposite side and mixing box (10) inner wall, third connecting pipe (15) one end with mixing chamber (14) top intercommunication.

6. The pre-spike fertigation system of claim 1, wherein: adjustment mechanism includes riser (24) of two fixed mounting at chassis (1) top, and sliding connection has lifter plate (31) between two riser (24), lifter plate (31) bottom with be provided with between chassis (1) and be used for driving first electric putter (32) that lifter plate (31) reciprocated, lifter plate (31) top is provided with layer board (18) that are used for installing fourth connecting pipe (17), pass through support frame (23) fixed connection between layer board (18) and lifter plate (31).

7. The pre-spike fertigation system of claim 6, wherein: the top ends of the spray rods (21) are hinged with the supporting plate (18) through connecting pieces (20), an included angle is formed between the two spray rods (21), the included angle range is 0-120 degrees, and the top ends of the spray rods (21) are communicated with a fourth connecting pipe (17) through a connecting hose (29).

8. The pre-spike fertigation system of claim 1, wherein: two spray lance (21) top slope sets up, is provided with flexible subassembly (30) between two spray lances (21), flexible subassembly (30) both ends are passed through connecting piece (20) and are articulated with two spray lances (21) respectively, flexible subassembly (30) include barrel (301), wear to be equipped with telescopic link (302) in barrel (301), slide (303) and barrel (301) inner wall sliding connection are passed through to the inboard one end of telescopic link (302), be provided with between slide (303) inboard and barrel (301) inner wall and be used for providing spring (304) of elasticity for slide (303).

9. The pre-spike fertigation system of claim 1, wherein: a valve (9) is arranged at the joint of the second connecting pipe (7) and the water inlet (5), and a feed opening (6) is formed in the top of the fertilizer treatment box (4).

10. The pre-spike fertigation system of claim 1, wherein: and rollers (28) are arranged at four corners of the underframe (1).