CN110476562A - Piggy-back fertilizer placer - Google Patents

Abstract

The invention discloses a kind of piggy-back fertilizer placers, storage vat and upper end including one with shoulder belt are connected to the hose of storing bucket outlet, in the lower end of hose to being connected to connecting tube, mounting blocks are fixedly arranged at the front end in connecting tube, mounting blocks have upper chamber, middle chamber and the lower chambers of arrangement side by side up and down, the front end of connecting tube and the rear end of upper chamber insert and fix, and are fitted in the front end of lower chambers and apply expects pipe；Upper chamber is equipped with the first outlet being connected to the middle chamber, and middle chamber is equipped with the second outlet being connected to lower chambers, and first outlet and second outlet dislocation are arranged；It is slidably fitted with quantitative block in middle chamber, the quantitative block has a certain amount of chamber, and quantitative chamber has upper opening and under shed, and is connected with driving device and resetting apparatus on quantitative block.A kind of structure is simple, piggy-back fertilizer placer easy to use to providing, and is particularly suitable for the quantitative fertilization of small amount fertilizer.

Description

Piggy-back fertilizer placer

Technical field

The present invention relates to agricultural equipment technical fields, in particular, in particular to a kind of piggy-back fertilizer placer.

Background technique

Currently, plant needs the nutrient for ensuring to grow that applies fertilizer in planting process, traditional fertilising is all pouring for extensive style It fills, there is the problems such as being unevenly distributed, position is not accurate, amount inaccuracy.With the development of fining plantation, the fertilizer of some plant Material needs quantitative positioning to grant, and the especially landscapes crop such as flowers of potted plant growth is in top dressing, it is desirable that determines a small amount of fertilizer Measure the soil surface being administered in basin.The device that not can be used for plant quantitative fertilization on the market at present is available, actually only Can manually carry out, for planting on a large scale, workload is very big, not only bothersome laborious, but also be unfavorable for labour at This saving.

In fact those skilled in the art have developed various backpack quantitative fertilization devices, specific as follows:

Patent document CN2713789Y discloses a kind of back carrying type semi automatic fertilizer placer for agriculture use, and backpack bag with fertilizer is arranged, Bag with fertilizer is connect by hose with the feeding port of outer tube side, and the adjusting set of regulated fertilization amount size is equipped in outer tube, from And carry out quantitative fertilization.

Patent document CN202077368U discloses a kind of electronic fertilising of shoulder-mounted man-operated and fertile device, is arranged and bears in people's shoulder On hopper, the fertilizer in hopper flows into vertical material controlling cylinder through conveying pipeline under the effect of gravity, is equipped with fertilizer controlling rod in material controlling cylinder Carry out Quantitative dosing.

Patent document CN205491754U discloses a kind of no-tillage particle fertilizer placer in portable orchard, and setting is defeated by fertilizer The backpack fertilizer box and fertilizer blanking barrel of hose connection are sent, the fertilizer in fertilizer box is sent to blanking barrel through hose, by blanking barrel By in incorporation of fertilizerin the soil, fertilising volume adjustment switch is installed in the lower end of fertilizer delivery hose, to realize quantifying for fertilizer It is granted with positioning.

Above-mentioned technical proposal can theoretically realize quantitative fertilization, but actually use simultaneously inconvenience, and be not suitable for It is granted in quantifying for small amount fertilizer, is primarily due to requirement of the quantitative device of one side fertilizer to operator's experience and hand speed Height is unable to ensure the consistency for conveying fertilizer amount each time；On the other hand due to overall structure problem, cause fertilizer from hose Lower end starts to be easy to appear Caton, and the material device of applying for needing to shake lower end makes fertilizer fall, not only inconvenient to use, but also from calmly The fertilizer transport loss that amount device grants mouth to fertilizer is big, causes dose insufficient.

Summary of the invention

For the defects in the prior art, the present invention provides that a kind of structure is simple, piggy-back fertilizer placer easy to use.

Above-mentioned technical purpose of the invention has the technical scheme that a kind of piggy-back fertilizer placer, packet It includes a storage vat and upper end with shoulder belt and is connected to the hose of storing bucket outlet, in the lower end of the hose to being connected to connecting tube Rear end, in the mounting blocks that are fixedly arranged at the front end with of the connecting tube, the mounting blocks have the upper chamber of arrangement side by side up and down, lumen Room and lower chambers, the front end of the connecting tube and the rear end of upper chamber insert and fix, and are fitted with and apply in the front end of the lower chambers Expects pipe；The upper chamber is equipped with the first outlet being connected to the middle chamber, and the middle chamber is equipped with and is connected to the lower chambers Second outlet, the first outlet and second outlet dislocation arrange；It is slidably fitted with quantitative block in the middle chamber, it is described fixed Gauge block has a certain amount of chamber, and the quantitative chamber has upper opening and under shed, and be connected on quantitative block driving device and Resetting apparatus, under the action of the resetting apparatus, the quantitative chamber upper opening of the quantitative block by first outlet and it is described on Chamber；Under the action of the driving device, the quantitative block is mobile, quantitative chamber under shed is made to pass through second outlet and institute Lower chambers connection is stated, the switch arrangement of the driving device is in connecting tube rear end.

Using the above structure, it is provided with the mounting blocks connection connecting tube of three chambers and applies expects pipe, and pass through quantitative block Fertilizer in connecting tube is transferred to and applies expects pipe, connects driving device and resetting apparatus on quantitative block, so, quantitative block is every The secondary fertilizer carried at second outlet that is moved to by first outlet is all accurate quantification, will not be caused because of manual operation Each is quantitative inconsistent, is conducive to the quantitative fertilization of small amount fertilizer.Also, due in upper chamber, middle chamber and lower chambers Under be arranged side by side, in actual use, operator is held at the rear end driving device switch of connecting rod, and makes the front end of connecting rod Downwards naturally inclination, it is only necessary to avoid connecting tube from being in angle perpendicular to the ground, that is, can ensure that fertilizer from connecting tube smoothly into Enter and apply expects pipe, so not only fertilizer grant it is smooth；As long as the length and operator's height of applying expects pipe are adapted, operator Member does not need to bend over to apply fertilizer, and design is more in line with ergonomics；And expects pipe is applied to lean out forward, it can be to compared with distant positions Plant apply fertilizer, it is easy to use efficiently.In this way to hose, connecting tube, mounting blocks and apply expects pipe assembling structure carry out it is excellent Change the internal structure for designing and organically combining mounting blocks, the quantitative fertilization of small amount fertilizer can be realized using purely mechanic construction, Not only easy to use laborsaving but also structure is simple, production is easy, production cost is low.It is particularly suitable for volume less than 0.1L's Quantitative fertilization, and it is particularly suitable for the solid fertilizer fertilising of potted plant growth plant.In fact, the invention can also be used for pair Plant grants the materials such as Insecticides (tech) & Herbicides (tech).

It further include a link block, the pore that there is the link block front and back to penetrate through, the lower end of the hose is from back to front It is inserted into pore, pore is inserted into the rear end of the connecting tube from front to back, so that hose be docked with connecting tube.Setting connection in this way Block realizes the docking of hose and connecting tube, keeps the docking of hose and connecting tube more reliable and more stable, and adjustable hose is stretched Enter the depth of link block, so that the length external to hose is adjusted, to avoid the too long bending tenesmus of hose cause fertilizer without Method can smoothly enter into link block, and the operator of different heights is especially facilitated to adjust hose to suitable length, in favor of this hair The marketization of bright creation.

The first outlet is located at the front upper place of second outlet, block is equipped in the rear end of the middle chamber, described fixed Gauge block is equipped with the baffle opposite with block, and the resetting apparatus includes pad mounted in the spring between block and baffle.Due to driving The switch of dynamic device is located at connecting tube rear end, and first outlet is arranged in the front of second outlet in this way, is resetting quantitative block State be connected to always in quantitative chamber with connecting tube under the action of device, when ensuring fertilizer feed abundance quantitatively it is intracavitary always It is equipped with fertilizer, it is only necessary to which quantitative fertilization can be carried out by pulling back quantitative block by driving device, be more conducive to driving dress The arrangement set also is more in line with the operating habit of manpower.

Preferably, the driving device includes pull rod, the front end of the pull rod is fixedly connected with quantitative block, the pull rod Rear end insertion link block in the limit channels that are correspondingly arranged, the item with limit channels perforation is provided on the downside of the link block V notch v, the rear end of the pull rod bend downward the manipulation section to be formed and be stretched out from v notch v, and the manipulation section constitutes driving dress The switch set.The structure of driving device is simple, stablizes, is reliable, easy to operate.

Further, it is further fixed on protecting tube in the link block front end, the protection tube boot is outside pull rod.Protecting tube On the one hand pull rod can be protected, to avoid pull rod by external interference and damage, on the other hand can be convenient manpower and hold It holds, the manipulation section for holding protecting tube in operation on the other hand, operating pull rod on the other hand, the small people of more convenient strength uses, and can also keep away Exempt from long-time one-handed performance fatigue.

As it is another preferably, the driving device includes deflecting roller, drag-line and control lever, and the deflecting roller is slidably mounted on The downside of connecting tube, one end and the connecting tube of the drag-line are fixed, and the other end is fixed around deflecting roller and quantitative block；The manipulation Bar is mounted on link block, and the front end of the control lever is connect with deflecting roller, and correspondence is set in the rear end insertion link block of control lever In the limit channels set, on the downside of the link block on be provided with v notch v with limit channels perforation, after the control lever End bends downward the manipulation section to be formed and be stretched out from v notch v, and the manipulation section constitutes the switch of driving device.Setting turns in this way To wheel, making the moving distance for quantifying block is twice of lever piece moving distance, and use is more laborsaving.

The middle chamber of mounting blocks is stretched out in the front end of the quantitative block, and is fitted with adjusting block in the front end of quantitative block, described The rear wall of adjusting block constitutes the front side wall of quantitative chamber, is provided with a v notch v in the quantitative block leading portion, inserts on adjusting block There is holding screw, quantitative block is stretched out from v notch v in the head of the holding screw.Adjusting block and holding screw are set in this way, made The size of quantitative chamber can be with flexible modulation, and use is more flexible and convenient.

The rear end of the adjusting block is in open " u "-shaped notch backwards, and the lower end of the adjusting block rear wall is forward Inclination, the upper end of adjusting block " u "-shaped notch rear end are rounded.Adjusting block rear wall lower end turns forward, it is possible to prevente effectively from fixed Gauge block carries fertilizer when quantitative fertilizer moves backward and is caught in below adjusting block；The fillet of adjusting block rear end upper end, can be to avoid Adjusting block is blocked by the rear end of first outlet when quantitative block moves back；To keep moving back for quantitative block more smooth.

The bottom plate of the storage vat be located at ladle body from top to bottom 2/3rds height at.If not improving the bottom of material storage tube Plate, hose upper end is lower, and hose lower end is then located above human hand held position, in order to avoid the tenesmus of hose middle bent leads to fertilizer Blanking Caton, hose can only be arranged shorter, shorter hose and then limit the opereating specification of connecting rod, therefore the length of hose is answered Ensure between 20-50cm.But if directly that material storage tube setting is shorter, it is higher to be located at back for material storage tube when bearing human body Position, then human heart position can be caused concentrate oppress, comfort is very low, be unfavorable for for a long time use.Therefore, apply People will creatively be mentioned on storing tube end plate ladle body from top to bottom 2/3rds height at, integrally disperse back by ladle body Stress, it is ensured that the comfort that material storage tube is born, while ensuring the moderate length of hose, connection while keeping fertilizer blanking smooth Bar flexible and convenient operation.

Inclined hose connection, the center line of the hose connection and storage are equipped in the one end in storage vat floor length direction Angle α between charging basket bottom plate is 135 °.Inclined hose connection is set in this way, is conducive to all arrange the fertilizer in storage vat Enter hose.

The utility model has the advantages that the present invention, which is connected by being provided with the mounting blocks of three chambers, connecting tube and applies expects pipe, and pass through Fertilizer in connecting tube is transferred to by quantitative block applies expects pipe, driving device and resetting apparatus is connected on quantitative block, to provide A kind of structure is simple, piggy-back fertilizer placer easy to use, is particularly suitable for the quantitative fertilization of small amount fertilizer.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.

Fig. 1 is the structural schematic diagram of one embodiment of the invention.

Fig. 2 is the structural schematic diagram of one embodiment of the invention storage vat.

Fig. 3 is the mounting structure schematic diagram that one embodiment of the invention quantifies block.

Fig. 4 is the schematic diagram of internal structure of one embodiment of the invention mounting blocks.

Fig. 5 is the structural schematic diagram of one embodiment of the invention adjusting block.

Fig. 6 is the schematic diagram of internal structure at one embodiment of the invention link block.

Fig. 7 is the structural schematic diagram that one embodiment of the invention quantifies block.

Fig. 8 is the enlarged drawing in the portion J in Fig. 1.

Appended drawing reference: storage vat 1, bottom plate 1a, hose coupling 1b, balancing pole 2, hose 3, link block 4, handle 4a, tightening Screw 5, pull rod 6, manipulation section 6a, protecting tube 7, connecting tube 8, mounting blocks 9, first outlet 911, second outlet 912, block 913, First guiding surface 9a, the second guiding surface 9b, quantitative block 10, quantitative chamber 10a, baffle 10b, adjusting block 11, adjusting block rear side Wall 11a, fillet 11b, expects pipe 12, spring 13, backing pin 14 are applied.

Specific embodiment

It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention It encloses.

It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair The ordinary meaning that bright one of ordinary skill in the art are understood.

As depicted in figs. 1 and 2, the present embodiment provides a kind of piggy-back fertilizer placers, 1 He of storage vat including one with shoulder belt Upper end is connected to the hose 3 of the outlet of storage vat 1.The bottom plate 1a of the storage vat 1 is located at ladle body 2/3rds height from top to bottom Place, one end of 1 bottom plate 1a length direction of storage vat be equipped with inclined hose connection 1b, the center line of the hose connection 1b with Angle α between 1 bottom plate 1a of storage vat is 135 °.Length 20≤L≤50 of the hose 3, unit: cm；The present embodiment is preferred Hose 3 is 30cm long.

As shown in figures 1 to 6, pass through link block 4 to the rear end for being connected to connecting tube 8, specifically in the lower end of the hose 3 Ground: the pore that there is the link block 4 front and back to penetrate through, pore, the connecting tube are inserted into the lower end of the hose 3 from back to front Pore is inserted into 8 rear end from front to back, so that hose 3 be docked with connecting tube 8.

Shown in as shown in Figure 1, Figure 3 and Figure 4, mounting blocks 9 are fixedly arranged at the front end in the connecting tube 8, the mounting blocks 9 have upper Under the upper chamber, middle chamber and the lower chambers that are arranged side by side.The front end of the connecting tube 8 and the rear end of upper chamber insert and fix, In The front end of the lower chambers, which is fitted with, applies expects pipe 12.The first outlet being connected to the middle chamber is equipped in the upper chamber bottom 911, the second outlet 912 being connected to the lower chambers is equipped in the middle chamber bottom, the first outlet 911 goes out with second 912 dislocation arrangement of mouth, and first outlet 911 is located at the front upper place of second outlet 912.More specifically, in the upper chamber Bottom is equipped with the first low early and high after guiding surface 9a, the first guiding surface 9a and is located at 911 rear end of first outlet, and being used for will The indoor fertilizer of epicoele introduces first outlet 911；The second low early and high after guiding surface 9b, institute are equipped in the middle chamber bottom The rear end that the second guiding surface 9b is located at second outlet 912 is stated, for the indoor fertilizer of lumen to be introduced second outlet 912, is kept away Exempt from fertilizer to be retained in middle chamber.

As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, it is slidably fitted with quantitative block 10 in the middle chamber, the quantitative block 10 has There is a certain amount of chamber 10a, the quantitative chamber 10a has upper opening and under shed, and is connected with driving device on quantitative block 10 And resetting apparatus, under the action of the resetting apparatus, the quantitative chamber 10a upper opening of the quantitative block 10 passes through first outlet 911 are connected to the upper chamber, are connected to connecting tube 8 with quantitative chamber 10a；It is described quantitative under the action of the driving device Block 10 is mobile, is connected to quantitative chamber 10a under shed with the lower chambers by second outlet 912, makes to apply expects pipe 12 and quantitative chamber 10a connection.Further, it is made to produce easy, the described quantitative block by open " u "-shaped channel-shaped stainless steel strip directed downwardly, The top surface of stainless steel strip is provided with a v notch v to constitute the upper opening of quantitative chamber；The connection of stainless steel strip top surface v notch v rear end The baffle of oriented "u"-shaped groove inner bending, to constitute the rear wall of quantitative chamber；The bottom wall of mounting blocks middle chamber and stainless steel strip Opening cooperation constitutes the bottom wall of quantitative chamber；The middle chamber of mounting blocks 9 is stretched out in the front end of the quantitative block 10, and in quantitative block 10 Front end is fitted with adjusting block 11 along the longitudinal direction, and the rear wall of the adjusting block 11 constitutes the front side wall of quantitative chamber 10a.Described The leading portion of quantitative block 10 is provided with a v notch v, holding screw 5 is fitted on adjusting block 11, the head of the holding screw 5 is certainly The v notch v of quantitative block leading portion stretches out quantitative block 10, and opening holding screw 5 is appearance of the removable adjusting block 11 to quantitative chamber 10a Product is adjusted.The more graduation marks for identifying quantitative chamber 10a volume, this implementation are equipped on the top surface of 11 leading portion of adjusting block Volume≤0.1L of the preferably described quantitative chamber 10a of example.In order to ensure fertilizer efficiently enters in quantitative chamber 10a, the quantitative chamber The upper opening front end of 10a is located at before the rear end of adjusting block 11；In order to ensure the movement of quantitative block 10 is smooth, the adjusting block 11 Rear end is in open " u "-shaped notch backwards, and the lower end of the adjusting block rear wall 11a turns forward, 11 " u "-shaped of adjusting block The rounded 11b in the upper end of notch rear end.Also, the middle chamber of mounting blocks 9 is stretched out in the rear end of the quantitative block 10, and in quantitative block The backing pin 14 positioned at 9 rear of mounting blocks is fitted on 10, the length direction of the backing pin 14 and quantitative block 10 is arranged vertically, and The correspondence side wall of mounting blocks 9 is stretched out at the both ends of backing pin 14, described when quantitative block 10 resets forward under the action of resetting apparatus The rear end of the shock mounting blocks 9 of backing pin 14.So, backing pin 14 not only can be positioned and be limited to the reset of quantitative block 10 Position, and hit mounting blocks 9 can effectively facilitate the indoor fertilizer of 9 epicoele of mounting blocks quickly, be fully filled quantitative chamber, favorably It is accurate in the amount for ensuring to apply fertilizer each time, uniform.

The switch arrangement of the driving device is in 8 rear end of connecting tube.The driving device and the structure of resetting apparatus are a variety of Multiplicity, the resetting apparatus of the present embodiment as shown in Figure 3 is preferably such as flowering structure: being equipped in the rear end of 9 middle chamber of mounting blocks Block 913, is equipped with the baffle 10b opposite with block 913 on the quantitative block 10, and the resetting apparatus includes that pad is mounted in block Spring 13 between 913 and baffle 10b.

For ease of use, structure is simple, and the driving device of the present embodiment uses such as flowering structure:

As shown in Fig. 1, Fig. 3 and Fig. 6, the driving device includes pull rod 6, and the front end of the pull rod 6 and quantitative block 10 are solid The rear end of fixed connection, the pull rod 6 is inserted into the limit channels being correspondingly arranged in link block 4, is provided on the downside of the link block 4 With the v notch v of limit channels perforation, the rear end of the pull rod 6 bends downward the behaviour to be formed and be stretched out from 4 v notch vs of link block Section 6a is controlled, the manipulation section 6a constitutes the switch of driving device.

In fact, driving device can also be using such as flowering structure: the driving device includes deflecting roller, drag-line and manipulation Bar, the deflecting roller are slidably mounted on the downside of connecting tube 8, and one end of the drag-line and connecting tube 8 are fixed, and the other end, which bypasses, to be turned It is fixed to wheel and quantitative block 10；The control lever is mounted on link block 4, and the front end of the control lever is connect with deflecting roller, behaviour In the rear end insertion link block 4 of control lever in the limit channels that are correspondingly arranged, it is provided on 4 downside of link block and limit channels The v notch v of perforation, the rear end of the control lever bends downward the manipulation section to be formed and be stretched out from link block v notch v, described Manipulate the switch that section constitutes driving device.

As shown in figures 1 to 6, it is additionally provided in the downside of the link block 4 and is located at the handle 4a for manipulating the rear section 6a, so as to In hand-held.It is further fixed on protecting tube 7 in 4 front end of link block, 7 sheath of protecting tube is outside pull rod 6 or drag-line. The balancing pole 2 parallel with connecting tube 8, the inserting position of the balancing pole 2 and link block 4 are also fitted in 4 rear end of link block Setting in the top of link block pore, the length that the balancing pole 2 stretches out link block 4 is adjustable.

For ease of use between the quantitative block 10 and link block 4 or between quantitative block 10 and connecting tube 8 Equipped with positioning component, when driving device drives quantitative block 10 to be moved to the under shed face second outlet 912 of quantitative chamber 10a, The positioning component interaction is positioned and is limited to the position of quantitative block 10.It is described in order to improve the flexibility used Apply expects pipe 12 and be set as length-adjustable telescoping tube, or apply expects pipe 12 stretch out mounting blocks 9 length it is adjustable.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme should all cover within the scope of the claims and the description of the invention.

Claims (10)

1. a kind of piggy-back fertilizer placer, storage vat and upper end including one with shoulder belt are connected to the hose of storing bucket outlet, It is characterized in: described in the mounting blocks that are fixedly arranged at the front end with of the connecting tube in the lower end of the hose to the rear end for being connected to connecting tube Mounting blocks have upper chamber, middle chamber and the lower chambers of arrangement side by side up and down, the front end of the connecting tube and the rear end of upper chamber Inserting is fixed, and is fitted in the front end of the lower chambers and is applied expects pipe；

The upper chamber is equipped with the first outlet that be connected to the middle chamber, and the middle chamber with the lower chambers equipped with being connected to Second outlet, the first outlet and second outlet dislocation are arranged；It is slidably fitted with quantitative block in the middle chamber, it is described quantitative Block has a certain amount of chamber, and the quantitative chamber has upper opening and under shed, and is connected on quantitative block driving device and multiple Position device, under the action of the resetting apparatus, the quantitative chamber upper opening of the quantitative block passes through first outlet and the epicoele Room connection；Under the action of the driving device, the quantitative block is mobile, make quantitative chamber under shed by second outlet with it is described Lower chambers connection, the switch arrangement of the driving device is in connecting tube rear end.

2. piggy-back fertilizer placer according to claim 1, it is characterized in that: further including a link block, the link block has Pore is inserted into the pore that one front and back penetrates through, the lower end of the hose from back to front, and the rear end of the connecting tube is inserted into from front to back Pore, so that hose be docked with connecting tube.

3. piggy-back fertilizer placer according to claim 2, it is characterized in that: the first outlet is located at before second outlet Side is equipped with block in the rear end of the middle chamber, is equipped with the baffle opposite with block, the resetting apparatus on the quantitative block Including padding mounted in the spring between block and baffle.

4. piggy-back fertilizer placer according to claim 3, it is characterized in that: the driving device includes pull rod, the pull rod Front end be fixedly connected with quantitative block, in the limit channels being correspondingly arranged in the rear end insertion link block of the pull rod, described The v notch v with limit channels perforation is provided on the downside of link block, the rear end of the pull rod bends downward to be formed stretches from a v notch v Manipulation section out, the manipulation section constitute the switch of driving device.

5. piggy-back fertilizer placer according to claim 4, it is characterized in that: being further fixed on protection in the link block front end Pipe, the protection tube boot is outside pull rod.

6. piggy-back fertilizer placer according to claim 3, it is characterized in that: the driving device include deflecting roller, drag-line and Control lever, the deflecting roller are slidably mounted on the downside of connecting tube, and one end and the connecting tube of the drag-line are fixed, and the other end bypasses Deflecting roller is fixed with quantitative block；The control lever is mounted on link block, and the front end of the control lever is connect with deflecting roller, manipulation In the rear end insertion link block of bar in the limit channels that are correspondingly arranged, on the downside of the link block on be provided with and limit channels penetrate through V notch v, the rear end of the control lever bends downward the manipulation section to be formed and be stretched out from v notch v, the manipulation section composition The switch of driving device.

7. piggy-back fertilizer placer according to claim 1, it is characterized in that: the front end of the quantitative block is stretched out in mounting blocks Chamber, and it is fitted with adjusting block in the front end of quantitative block, the rear wall of the adjusting block constitutes the front side wall of quantitative chamber, described Quantitative block leading portion is provided with a v notch v, is fitted with holding screw on adjusting block, and the head of the holding screw is from v notch v Stretch out quantitative block.

8. piggy-back fertilizer placer according to claim 7, it is characterized in that: the rear end of the adjusting block in it is open backwards " u "-shaped notch, and the lower end of the adjusting block rear wall turns forward, and the upper end of adjusting block " u "-shaped notch rear end is rounded.

9. piggy-back fertilizer placer according to claim 1, it is characterized in that: the bottom plate of the storage vat be located at ladle body from upper and At lower 2/3rds height.

10. piggy-back fertilizer placer according to claim 1, it is characterized in that: being set in the one end in storage vat floor length direction There is inclined hose connection, the angle α between the center line and storing barrel soleplate of the hose connection is 135 °.