CN115486224A

CN115486224A - Soil repairing agent spraying mechanism

Info

Publication number: CN115486224A
Application number: CN202211148786.2A
Authority: CN
Inventors: 罗红梅
Original assignee: Tibet Shikai Environmental Protection Technology Co ltd
Current assignee: Tibet Shikai Environmental Protection Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-12-20
Anticipated expiration: 2042-09-21
Also published as: CN115486224B

Abstract

The invention relates to a soil repairing agent spraying mechanism which comprises a two-wheeled trailer, wherein a powder supply spraying mechanism and a telescopic adjusting mechanism are arranged at the top of the two-wheeled trailer, a protective mechanism is arranged on the outer side wall of the two-wheeled trailer, the powder supply spraying mechanism comprises a Roots blower fixedly arranged at the top of the two-wheeled trailer, a powder storage box and a main beam fixedly arranged on the outer side wall of the two-wheeled trailer, a main conveying pipe is fixedly connected to the bottom of the main beam, and a feeding pipe communicated with the main conveying pipe is fixedly connected to the air outlet end of the Roots blower. This soil restoration agent spraying mechanism, through setting up flexible adjustment mechanism to supplying powder spraying mechanism and carrying out flexible regulation for the vehicle is every to travel the area of spouting of a round and is enlarged, thereby can accelerate the spraying efficiency of soil restoration agent, and utilizes the protection machanism of stretching out and drawing back to the regional restriction of powder diffusion, can reduce the proportion that the powder was taken away by the wind, thereby can improve the concentration uniformity that each regional powder of soil sprayed.

Description

Soil repairing agent spraying mechanism

Technical Field

The invention relates to the technical field of soil remediation, in particular to a spraying mechanism for a soil remediation agent.

Background

The polluted soil leads to the yield reduction of crops, even possibly causes the pollutant in agricultural products to exceed the standard, and further harms human health, the untreated polluted site is a chemical timing bomb, once a large area of the bomb is developed, the national sustainable development can be influenced by inestimation, and therefore high attention must be paid to the prevention of soil pollution and the remediation of the polluted soil.

When restoreing to acidizing soil, can be through spraying to acidizing soil and add sodium carbonate, soil amendment such as lime-nitrate improves soil fertility, increase the water permeability and the gas permeability of soil, but because current sprinkler can cause a large amount of raise dusts spraying the in-process, though the raise dusts can descend to subaerially after the certain time, but the raise dusts of wafing can lead to the concentration everywhere on ground to differ, and then the restoration degree that leads to soil appears unevenly, the influence is to the unified restoration and the soil restoration progress of soil, so propose a soil remediation agent spray mechanism and solve the above-mentioned problem of proposing.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a soil repairing agent spraying mechanism which has the advantages of improving the spraying uniformity of a soil repairing agent and the like, and solves the problems that a large amount of raised dust is generated in the spraying process of the existing spraying device, and although the raised dust falls to the ground after a certain time, the scattered raised dust causes different concentrations at each part of the ground, so that the repairing degree of the soil is uneven, and the unified repairing and soil repairing progress of the soil is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a soil repairing agent spraying mechanism comprises a two-wheeled trailer, wherein a powder supply spraying mechanism and a telescopic adjusting mechanism are arranged at the top of the two-wheeled trailer, and a protection mechanism is arranged on the outer side wall of the two-wheeled trailer;

the powder supply spraying mechanism comprises a Roots blower fixedly mounted at the top of a two-wheeled trailer, a powder storage box and a main beam fixedly mounted on the outer side wall of the two-wheeled trailer, wherein a main conveying pipe is fixedly connected to the bottom of the main beam, a feeding pipe communicated with the main conveying pipe is fixedly connected to the air outlet end of the Roots blower, the discharge end of the powder storage box is communicated with the feeding pipe, hinges are fixedly connected to two ends of the main beam respectively, one end, away from the main beam, of each hinge is fixedly connected with an auxiliary beam, the bottom of the auxiliary beam is fixedly connected with an extension conveying pipe, an electromagnetic valve is fixedly mounted at one end, close to the main conveying pipe, of each extension conveying pipe, a communication hose is fixedly connected between each electromagnetic valve and the main conveying pipe, powder nozzles are fixedly connected to the outer peripheral walls of the main conveying pipe and the extension conveying pipes, and the main conveying pipes and the extension conveying pipes are communicated with adjacent powder nozzles;

the telescopic adjusting mechanism comprises a double-end telescopic rod fixedly mounted at the top of the two-wheeled trailer, and a linkage rod is rotatably connected between the output end of the double-end telescopic rod and the adjacent secondary beam;

protection machanism includes movable mounting in the backplate of two-wheeled trailer lateral wall, fixedly connected with upset hinge between backplate and the girder, backplate outer wall fixedly connected with quantity is two folded sheet, two the equal fixedly connected with side shield in one side at the folded sheet back, one side fixed mounting that the folded sheet was kept away from to the side shield has the extraction fan that quantity is not less than two, there is the dust bag exhaust end of extraction fan through screw fixed mounting, backplate top fixed mounting has the multistage telescopic link that quantity is two, multistage telescopic link output and adjacent side shield top fixed connection.

Furthermore, the top of the main beam is fixedly provided with spring bolts, the number of the spring bolts is not less than two, one side of the rear baffle, which is far away from the two-wheeled trailer, is fixedly provided with bolt seats, the bolt seats correspond to the spring bolts one to one, and bolt holes matched with the spring bolts in size are formed in the bolt seats.

Further, two-wheeled trailer lateral wall still is provided with the roller press mechanism, the roller press mechanism is including the cover body, the equal fixed mounting of the relative both sides wall of cover body inner chamber has the diaphragm, diaphragm bottom fixed mounting has the spring beam, the one end fixedly connected with roating seat of diaphragm is kept away from to the spring beam, roating seat and cover body sliding connection, two rotate between the roating seat and be connected with the fluted roller, cover body top is through screw fixedly connected with concatenation page or leaf, the mounting hole with upset hinge size looks adaptation is seted up in the concatenation page or leaf.

Further, the two-wheeled trailer includes the automobile body, automobile body lateral wall fixed mounting has the trailer link, the automobile body lateral wall rotates and is connected with quantity and be two wheels, trailer link and protection machanism are located the relative both sides wall of automobile body respectively.

Further, store up the powder case and be inside hollow rectangle case, it is the infundibulate to store up the powder incasement chamber, store up the powder case lateral wall and set up the medicine hole that is linked together with storing up the powder incasement chamber, the length of girder is greater than two-wheeled trailer's width, the folding sheath that fixedly connected with and hinge cup jointed mutually between girder and the auxiliary beam.

Furthermore, main conveying pipeline and extension conveying pipeline are the hollow tube, the one end fixedly connected with end cap that main conveying pipeline was kept away from to the extension conveying pipeline, the quantity of powder nozzle is not less than ten and even equidistant distribution on main conveying pipeline and extension conveying pipeline outer wall.

Further, the double-end telescopic link is formed by the concatenation of the single-end electric telescopic handle that quantity is two, the gangbar both ends rotate with double-end telescopic link output and adjacent auxiliary girder respectively and are connected.

Further, backplate and folded sheet are the L shaped plate, the upset hinge passes through the screw and is connected with backplate, girder, the maximum length that the folded sheet lies in the backplate after extending is greater than the length of auxiliary girder, the folded sheet is located between backplate and the two-wheeled trailer.

Furthermore, the number of the lifting hooks is two, the number of the lifting hooks is fixed to the top portions of the multi-stage telescopic rods and the cover body, the tangent plane at the bottom of the gear roller is located at the bottom of the two-wheeled trailer when the spring rod is not compressed, and the T-shaped end, located in the cover body, of the rotating seat is arranged.

Furthermore, one end of the dust-removing filter bag, which is far away from the exhaust fan, is fixedly connected with a pull rope, one end of the pull rope, which is far away from the dust-removing filter bag, is fixedly connected with a locking plate, and the locking plate is fixedly installed on the side baffle through screws.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this soil restoration agent spraying mechanism, through setting up flexible adjustment mechanism to supplying powder spraying mechanism and carrying out flexible regulation for the vehicle is every to travel the area of spouting of a round and is enlarged, thereby can accelerate the spraying efficiency of soil restoration agent, and utilizes the protection machanism of stretching out and drawing back to the regional restriction of powder diffusion, can reduce the proportion that the powder was taken away by the wind, thereby can improve the concentration uniformity that each regional powder of soil sprayed.

2. This soil restoration agent spraying mechanism through the setting of rolling mechanism for can replace protection machanism for rolling mechanism when the weather that will rise wind, utilize rolling mechanism to increase soil roughness at the in-process that traveles, make the restoration agent that sprays not blown up by following strong wind, thereby ensure the even uniformity that soil restoration agent sprayed.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic view of a connection structure of a main beam and a secondary beam according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1A according to the present invention;

FIG. 4 is an enlarged view of a portion of the invention shown at B in FIG. 1;

FIG. 5 is a schematic view of the connection structure of the side baffle and the dust filter bag according to the present invention;

FIG. 6 is a schematic structural diagram according to a second embodiment of the present invention;

fig. 7 is a schematic structural view of the rolling mechanism of the present invention.

In the figure: 1 two-wheeled trailer, 2 powder supply spraying mechanisms, 201 Roots blower, 202 powder storage box, 203 main beam, 204 main conveying pipe, 205 feeding pipe, 206 hinge, 207 auxiliary beam, 208 expansion conveying pipe, 209 electromagnetic valve, 210 communication hose, 211 powder nozzle, 3 telescopic adjusting mechanism, 31 double-end telescopic rod, 32 linkage rod, 4 protective mechanism, 41 rear baffle, 42 turnover hinge, 43 folding plate, 44 side baffle, 45 suction fan, 46 dust-removing filter bag, 47 multi-stage telescopic rod, 5 spring bolt, 6 bolt seat, 7 rolling mechanism, 71 cover body, 72 transverse plate, 73 spring rod, 74 rotary seat, 75 fluted roller, 76 splicing blade and 8 folding sheath.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The first embodiment is as follows:

please refer to fig. 1-5, in order to prevent the soil repairing agent from diffusing everywhere due to wind in the spraying process and cause uneven repairing agent covering on the soil surface, the soil repairing agent spraying mechanism in the embodiment comprises a two-wheel trailer 1, the two-wheel trailer 1 comprises a vehicle body, a towing ring is fixedly mounted on the outer side wall of the vehicle body, the outer side wall of the vehicle body is rotatably connected with two wheels, a powder supply spraying mechanism 2 and a telescopic adjusting mechanism 3 are arranged at the top of the two-wheel trailer 1, a protection mechanism 4 is arranged on the outer side wall of the two-wheel trailer 1, and the towing ring and the protection mechanism 4 are respectively positioned on two opposite side walls of the vehicle body.

Powder supply sprinkling mechanism 2 includes roots blower 201 of fixed mounting at two-wheeled trailer 1 top, store up powder case 202 and fixed mounting in the girder 203 of two-wheeled trailer 1 lateral wall, it is inside hollow rectangle case to store up powder case 202, it is the infundibulate to store up powder case 202 inner chamber, store up powder case 202 lateral wall and set up the medicine hole that is linked together with storing up powder case 202 inner chamber, the accessible adds the medicine hole to storing up powdery soil remediation agent of powder case 202 inner chamber interpolation, the length of girder 203 is greater than two-wheeled trailer 1's width, girder 203 bottom fixedly connected with main conveying pipeline 204, the air-out end fixedly connected with of roots blower 201 is linked together with main conveying pipeline 204 feed pipe 205, the discharge end of storing up powder case 202 is linked together with feed pipe 205, girder 203 both ends are fixedly connected with hinge 206 respectively, the one end fixedly connected with auxiliary beam 207 of girder 203 is kept away from girder 203, auxiliary beam 207 bottom fixedly connected with extension feed pipe 208, main conveying pipe 204 and extension pipe 208 are the hollow tube 208, extension pipe 208 keeps away from the one end fixedly connected with the equal expansion solenoid valve 209 of main conveying pipe 204 and the equal expansion nozzle of main conveying pipe 204, all the equal nozzle of powder is connected with ten expansion solenoid valve 211 and the equal expansion nozzle 211 on the main conveying pipe 204, make powder can not follow the terminal of extension nozzle 208, the blowout end of extension electromagnetic valve 208, the outer wall of expansion solenoid valve 208 and the equal expansion solenoid valve 211 of main conveying pipe 208, the main conveying pipe 204, the equal expansion solenoid valve 211.

In order to reduce the corrosion of the hinge 206 caused by the splashing of liquid such as rainwater on the hinge 206 and influence the long-term stable use, a folding sheath 8 sleeved with the hinge 206 is fixedly connected between the main beam 203 and the secondary beam 207, so that the hinge 206 is protected inside by the folding sheath 8.

The telescopic adjusting mechanism 3 comprises a double-end telescopic rod 31 fixedly installed at the top of the two-wheeled trailer 1, a linkage rod 32 is rotatably connected between the output end of the double-end telescopic rod 31 and the adjacent secondary beam 207, and two ends of the linkage rod 32 are rotatably connected with the output end of the double-end telescopic rod 31 and the adjacent secondary beam 207 respectively.

Wherein, the double-end telescopic rod 31 is formed by splicing two single-end electric telescopic rods.

Protection machanism 4 is including movable mounting in the backplate 41 of two-wheeled trailer 1 lateral wall, fixedly connected with upset hinge 42 between backplate 41 and the girder 203, upset hinge 42 passes through screw and backplate 41, the girder 203 is connected, backplate 41 outer wall fixedly connected with quantity is two folded sheet 43, backplate 41 and folded sheet 43 are the L shaped plate, the equal fixedly connected with side shield 44 in one side at the back of two folded sheet 43 mutually, one side fixed mounting that folded sheet 43 was kept away from to side shield 44 has quantity not less than two suction fan 45, set up the through-hole that supplies suction fan 45 to extract the dust on the side shield 44, there is dust bag 46 at suction fan 45's air-out end through screw fixed mounting, backplate 41 top fixed mounting has quantity to be two multistage telescopic link 47, multistage telescopic link 47 output and adjacent side shield 44 top fixed connection, the flexible length of multistage telescopic link 47 is not less than the extension length of folded sheet 43.

Wherein, the one end fixedly connected with stay cord that the exhaust fan 45 was kept away from to dust bag 46, the one end fixedly connected with lockplate that dust bag 46 was kept away from to the stay cord, lockplate pass through screw fixed mounting on side shield 44 for dust bag 46 can keep the relatively stable of position in the use, can not rock at will, ensures that dust bag 46's operation is stable.

It should be noted that the maximum length of the folded plate 43 outside the tailgate 41 after being extended is greater than the length of the secondary beam 207, and the folded plate 43 is located between the tailgate 41 and the two-wheeled trailer 1 so that the unfolded folded plate 43 can enclose the unfolded secondary beam 207 therein, thereby limiting the area where the powder escapes.

It should be noted that, the number of the two shackle rings fixedly mounted at the top of the multi-stage telescopic rod 47 is convenient for an operator to lift and move the protection mechanism 4 after separating the protection mechanism 4 from the main beam 203.

In the embodiment, a tail hook of an agricultural tractor is spliced with a towing ring on a two-wheeled trailer 1, then a multi-stage telescopic rod 47 is started first, an output shaft of the multi-stage telescopic rod 47 horizontally pushes a folding plate 43 to slowly expand, and the folding plate, the rear baffle 41 and a side baffle 44 form a large-scale baffle plate, most sprayed powder is limited in a space surrounded by the baffle plate, then a double-end telescopic rod 31 is started, an output shaft of the double-end telescopic rod 31 extends, and then an auxiliary beam 207 positioned on two sides of the two-wheeled trailer 1 is pushed and expanded by using a linkage rod 32 until the auxiliary beam 207 is positioned on an extension line of a main beam 203, then the two-wheeled trailer 1 can be dragged to slowly run on a farmland needing to be sprayed with the repairing agent by using the tractor, in the running process, a Roots blower 201 is started to blow towards a feeding pipe 205 by opening the Roots blower 201, so as to drive a filter bag positioned in a powder storage box 202 to be conveyed into the feeding pipe 205 and an expansion pipe 208, and is sprayed out through a powder nozzle 211, so that the sprayed powder does not float on the land, thereby the soil can be rapidly settled, the concentration of the repairing agent on the filtering bag of the filtering fan on the outer side of the building can be reduced, and a small amount of the filtering fan 45 which is close to the filtering area of the building can be collected by the filtering fan 45, and the filtering fan which is reduced when the filtering fan 45 which is mounted outside the filtering fan and the filtering area which is near the building.

The second embodiment:

referring to fig. 1-5, in order to improve the transferring efficiency of the operator between two fields, in this embodiment, the number of spring bolts 5 is not less than two and fixedly installed at the top of the main beam 203, bolt seats 6 are fixedly installed at one side of the rear fender 41 away from the two-wheeled trailer 1, the bolt seats 6 correspond to the spring bolts 5 one by one, and bolt holes matched with the size of the spring bolts 5 are formed in the bolt seats 6.

It should be noted that when the spring latch 5 is in the natural state, the spring latch 5 can be snapped into the latch seat 6 of the protection mechanism 4 turned ninety degrees to the top, so that the protection mechanism 4 turned ninety degrees to the top can be kept in place and will not turn back to the original state due to gravity.

In this embodiment, after a field sprays to handle the completion, before transporting, will overturn ninety degrees with protection machanism 4 earlier, then insert in the bolt seat 6 with spring bolt 5 to make protection machanism 4 after installing to girder 203, can not take place to strike with ground arch or deceleration strip in the transportation, thereby make operating personnel can need not to transport under dismantling protection machanism 4.

Example three:

referring to fig. 6-7, in order to avoid as much as possible that the repair agent after being sprayed is blown away by strong wind and affects the repair effect, the outer side wall of the two-wheeled trailer 1 in this embodiment is further provided with a rolling mechanism 7, the rolling mechanism 7 includes a cover body 71, two opposite side walls of an inner cavity of the cover body 71 are both fixedly provided with transverse plates 72, the bottom of the transverse plates 72 is fixedly provided with spring rods 73, one ends of the spring rods 73 far away from the transverse plates 72 are fixedly connected with rotary seats 74, the rotary seats 74 are slidably connected with the cover body 71, one ends of the rotary seats 74 located in the cover body 71 are T-shaped, toothed rollers 75 are rotatably connected between the two rotary seats 74, the top of the cover body 71 is fixedly connected with splicing leaves 76 through screws, and mounting holes matched with the size of the turning hinges 42 are formed in the splicing leaves 76.

In this embodiment, when the spring rod 73 is not compressed, the tangent plane at the bottom of the gear roller 75 is located at the bottom of the two-wheeled trailer 1, so that the gear roller 75 is pushed down into the soil by the thrust generated by the spring rod 73 during the driving process of the two-wheeled trailer 1, thereby increasing the surface roughness of the soil during the rolling process of the gear roller 75.

It should be noted that the two hook rings are fixedly mounted on the top of the cover 71, so that an operator can conveniently lift and move the rolling mechanism 7 after separating the rolling mechanism 7 from the main beam 203.

In the embodiment, the splicing hinge 76 is installed on the main beam 203 in place of the turning hinge 42, the cover body 71 and the splicing hinge 76 are spliced through screws to complete assembly, the electromagnetic valve 209 is closed, so that the transported repairing agent does not enter the extension conveying pipe 208, the auxiliary beams 207 on two sides of the two-wheeled trailer 1 do not need to be unfolded at the moment, a tail hook of an agricultural tractor can be spliced with a towing ring on the two-wheeled trailer 1, the two-wheeled trailer 1 is dragged to move by the agricultural tractor, the toothed roller 75 is driven to rotate along with the trailer to increase the ground roughness, the roots blower 201 is still started while the trailer is moving, the roots blower 201 blows air to the feeding pipe 205 to drive the medicinal powder in the powder storage box 202 to be conveyed into the feeding pipe 205 and is sprayed out through the powder nozzle 211, the ground roughness is more obvious because the ground surface roughness is the height that the average wind speed on the ground surface is reduced to zero, the ground surface roughness value can reflect the ground surface weakening effect on the ground surface, the ground surface roughness value means that the soil surface airflow is closer to the ground surface, the trend of reducing the roughness more quickly, the more obvious the effect on the ground surface repairing and the soil is difficult to be sprayed and the repairing agent is integrally sprayed, and the soil repairing effect is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a soil remediation agent spraying mechanism, includes two-wheeled trailer (1), its characterized in that: the powder supply spraying mechanism (2) and the telescopic adjusting mechanism (3) are arranged at the top of the two-wheeled trailer (1), and the protective mechanism (4) is arranged on the outer side wall of the two-wheeled trailer (1);

the powder supply spraying mechanism (2) comprises a Roots blower (201) fixedly mounted at the top of a two-wheeled trailer (1), a powder storage box (202) and a main beam (203) fixedly mounted on the outer side wall of the two-wheeled trailer (1), wherein a main conveying pipe (204) is fixedly connected to the bottom of the main beam (203), an air outlet end of the Roots blower (201) is fixedly connected with a feeding pipe (205) communicated with the main conveying pipe (204), a discharging end of the powder storage box (202) is communicated with the feeding pipe (205), two ends of the main beam (203) are respectively and fixedly connected with a hinge (206), one end, far away from the main beam (203), of the hinge (206) is fixedly connected with an auxiliary beam (207), the bottom of the auxiliary beam (207) is fixedly connected with an extension conveying pipe (208), one end, close to the main conveying pipe (204), of the extension conveying pipe (208) is fixedly mounted with an electromagnetic valve (209), a communication hose (210) is fixedly connected between the electromagnetic valve (209) and the main conveying pipe (204), the main conveying pipe (204) and the extension conveying pipe (208) are both fixedly connected with a powder nozzle (211), and the outer peripheral wall of the main conveying pipe (211) is communicated with the adjacent powder nozzle (211);

the telescopic adjusting mechanism (3) comprises a double-end telescopic rod (31) fixedly arranged at the top of the two-wheeled trailer (1), and a linkage rod (32) is rotatably connected between the output end of the double-end telescopic rod (31) and the adjacent auxiliary beam (207);

protection machanism (4) are including movable mounting in backplate (41) of two-wheeled trailer (1) lateral wall, fixedly connected with upset hinge (42) between backplate (41) and girder (203), backplate (41) outer wall fixedly connected with quantity is folded sheet (43) of two, two the equal fixedly connected with side shield (44) in one side at the folded sheet (43) back mutually, one side fixed mounting that folded sheet (43) were kept away from in side shield (44) has quantity not less than two suction fan (45), the air-out end of suction fan (45) has dust removal filter bag (46) through screw fixed mounting, backplate (41) top fixed mounting has quantity to be two multi-stage telescopic rod (47), multi-stage telescopic rod (47) output and adjacent side shield (44) top fixed connection.

2. The soil remediation agent spraying mechanism of claim 1, wherein: the rear fender (41) is fixedly provided with bolt seats (6) on one side far away from the two-wheeled trailer (1), the bolt seats (6) correspond to the spring bolts (5) one by one, and bolt holes matched with the spring bolts (5) in size are formed in the bolt seats (6).

3. The soil remediation agent spraying mechanism of claim 1, wherein: two-wheeled trailer (1) lateral wall still is provided with roll-in mechanism (7), roll-in mechanism (7) is including the cover body (71), the equal fixed mounting of the relative both sides wall of cover body (71) inner chamber has diaphragm (72), diaphragm (72) bottom fixed mounting has spring beam (73), the one end fixedly connected with roating seat (74) of diaphragm (72) are kept away from in spring beam (73), roating seat (74) and the cover body (71) sliding connection, two it is connected with fluted roller (75) to rotate between roating seat (74), screw fixedly connected with concatenation page or leaf (76) are passed through at the cover body (71) top, set up the mounting hole with upset hinge (42) size looks adaptation in concatenation page or leaf (76).

4. The soil remediation agent spraying mechanism of claim 1, wherein: the two-wheeled trailer (1) comprises a trailer body, the outer side wall of the trailer body is fixedly provided with a towing hanging ring, the outer side wall of the trailer body is rotatably connected with two wheels, and the towing hanging ring and the protection mechanism (4) are respectively positioned on two opposite side walls of the trailer body.

5. The soil remediation agent spraying mechanism of claim 1, wherein: store up whitewashed case (202) and be inside hollow rectangle case, store up whitewashed case (202) inner chamber and be the infundibulate, store up whitewashed case (202) lateral wall and offer the medicine hole that is linked together with storing up whitewashed case (202) inner chamber, the length of girder (203) is greater than the width of two-wheeled trailer (1), folding sheath (8) that fixedly connected with cup jointed mutually with hinge (206) between girder (203) and auxiliary beam (207).

6. The soil remediation agent spraying mechanism of claim 1, wherein: the main conveying pipeline (204) and the extension conveying pipeline (208) are hollow pipes, one end of the extension conveying pipeline (208) far away from the main conveying pipeline (204) is fixedly connected with a plug, and the number of the powder nozzles (211) is not less than ten and is uniformly distributed on the outer walls of the main conveying pipeline (204) and the extension conveying pipeline (208) at equal intervals.

7. The soil remediation agent spraying mechanism of claim 1, wherein: double-end telescopic link (31) are formed by the concatenation of the single-end electric telescopic handle that quantity is two, gangbar (32) both ends rotate with double-end telescopic link (31) output and adjacent auxiliary girder (207) respectively and are connected.

8. The soil remediation agent spraying mechanism of claim 1, wherein: backplate (41) and folded sheet (43) are the L shaped plate, upset hinge (42) are connected with backplate (41), girder (203) through the screw, folded sheet (43) extend the length that the outer maximum length that lies in backplate (41) is greater than auxiliary girder (207) after, folded sheet (43) lie in between backplate (41) and two-wheeled trailer (1).

9. The soil remediation agent spraying mechanism of claim 3, wherein: the top of the multi-stage telescopic rod (47) and the top of the cover body (71) are fixedly provided with two lifting hooks, the tangent plane at the bottom of the gear roller (75) is positioned at the bottom of the two-wheeled trailer (1) when the spring rod (73) is not compressed, and one end of the rotating seat (74) positioned in the cover body (71) is T-shaped.

10. The soil remediation agent spraying mechanism of claim 1, wherein: the dust removal filter bag (46) is far away from one end of the exhaust fan (45) and is fixedly connected with a pull rope, one end of the pull rope, far away from the dust removal filter bag (46), is fixedly connected with a locking plate, and the locking plate is fixedly installed on the side baffle (44) through screws.