CN117923003B - Fertilizer transportation sealing barrel - Google Patents

Abstract

The invention relates to the technical field of sealed barrels, and provides a fertilizer transportation sealed barrel which adopts a double sealing mode, improves the overall sealing effect, has linkage property between double sealing structures, is convenient for sealing formation after the sealing cover and an inserting core are relatively closed and sealing failure operation during opening between the sealing cover and the lifting barrel, is more practical, is controlled by the air pressure state in a fertilizer storage space, has higher automation degree, can achieve optimal configuration of energy supply of a fan and monitoring whether the fertilizer storage space leaks or not to a certain extent, has better practicability, comprises a base, and also comprises an outer support structure, a fixing barrel, the lifting barrel and a sealing cover, wherein the outer support structure comprises four corner supports which are fixedly connected to the four corners of the top end of the base respectively, the fixing barrel is fixedly connected to the top end of the base, and the four corner supports are fixedly connected with the fixing barrel and are slidably connected with the lifting barrel.

Description

Fertilizer transportation sealing barrel

Technical Field

The invention relates to the technical field of sealed barrels, in particular to a fertilizer transportation sealed barrel.

Background

As known, fertilizers are substances for providing one or more nutrient elements necessary for plants, improving soil properties and soil fertility levels, are one of the substance bases of agricultural production, and because the use places of the fertilizers are scattered, the fertilizers usually need to be transported after production, and in order to facilitate the transportation of the fertilizers, a fertilizer transportation sealing barrel is proposed.

Through retrieving, chinese patent application number CN202120969091.5 discloses an agricultural fertilizer conveyer that sealing performance is good, it roughly describes, including the base, be provided with the blotter on the base, be provided with the transport case of top area opening on the blotter, be provided with baffle and baffle respectively in the transport case, and baffle mutually perpendicular, still be provided with the seal pot on the blotter, be provided with the fan on the seal pot, the air inlet of fan is linked together with the transport case through the blast pipe, the gas outlet of fan is linked together with the seal pot through the gas-supply pipe, so that can suck the gas in the transport case to the seal pot through the fan, transport case opening part movably is provided with the case lid, the case lid both sides are provided with the inserted sheet respectively, be provided with the inserted sheet on the inserted sheet respectively, it runs through the slot when using, it is provided with the case lid through the fan with the gas suction in the transport case, the transport case opening part is movably, the agricultural fertilizer is piled up to the agricultural fertilizer to traditional agricultural handcart of not possessing good gas tightness device, can not eliminate the smell that agricultural fertilizer brought, it easily causes the adverse effect to environment and personnel.

The above-mentioned prior art scheme is though can play certain sealed effect, but form sealed part between its case lid and the transport case and be single sealed pad, and seal structure is too single like this, and sealed effect is to be further strengthened, and the scheme of adopting the fan to take out the smell that the agricultural fertilizer brought is further to be moved and is not mentioned simultaneously, and under the actual operating condition, the fan is not necessarily continuous operation, and if under the state of long distance maritime, the transportation time is also longer, and because the restriction of shipboard power supply, how to realize the energy optimization of fan also is comparatively lacking, and the practicality is relatively poor.

Disclosure of Invention

(One) solving the technical problems

Aiming at the defects of the prior art, the invention provides the fertilizer transportation sealing barrel, which adopts a double sealing mode, improves the overall sealing effect, has certain linkage between double sealing structures, is convenient for the sealing after the sealing cover and the insert core are relatively closed with the lifting barrel and the operation of sealing failure during opening, is more practical, and the fan is controlled by the air pressure state in the fertilizer storage space, has higher automation degree, can achieve the optimal configuration of the energy supply of the fan and the monitoring of whether the fertilizer storage space is leaked to a certain extent, and has better practicability.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fertilizer transportation sealing barrel, includes the base, still includes outer supporting structure, fixed barrel, lift barrel and sealed lid, outer supporting structure includes four angle brackets, four angle brackets are fixed connection respectively the top four corners position department of base, fixed barrel fixed connection is on the top of base, and four angle brackets all with fixed barrel fixed connection, four angle brackets all with lift barrel sliding connection is sliding seal cooperation between lift barrel and the fixed barrel, and sliding connection has the lift bottom plate in the fixed barrel, installs the follow-up structure in the base, after placing fertilizer on the lift bottom plate, because the gravity effect of fertilizer makes the lift bottom plate take place to fall relatively in the fixed barrel, the lift bottom plate of whereabouts realizes the linkage of lift barrel for fixed barrel through the follow-up structure and risees, and the sliding connection has four sliding seal strips in the lift barrel, the bottom end of the sealing cover is fixedly connected with an insert core, the insert core is provided with a connecting sealing ring groove, four sliding sealing strips are matched with the connecting sealing ring groove, four sliding sealing strips are fixedly connected with reset springs, four reset springs are fixedly connected in the lifting cylinder, a synchronous driving structure is arranged in the sealing cover and used for synchronous driving of the four sliding sealing strips, the top end of the insert core is provided with an annular groove, an alarm, a fan, an air storage tank and a communicating pipe are arranged in the annular groove, the bottom end of the insert core is provided with a guide hole matched with an air suction opening of the fan, an air outlet of the fan is communicated with the air storage tank, the bottom end and the top end of the communicating pipe are respectively communicated with an elastic bag and a telescopic bag, the bottom end of the insert core is provided with a storage tank matched with the elastic bag, the telescopic bag is positioned in the annular groove, a door-shaped frame is fixedly connected in the annular groove, a pressure sensor is installed in the door-shaped frame, the pressure sensor is used for controlling the start and stop of the fan, and the pressure sensor is used for controlling the alarm of the alarm.

Preferably, the follow-up structure includes drive wheel and actuating post, the actuating post with the base rotates to be connected, fixedly connected with actuating cylinder on the lifting bottom plate, fixedly connected with drive screw plate in the actuating cylinder, the actuating post on seted up with the adaptation helicla flute that the drive screw plate matches, the kerve has been seted up to the bottom of base, the drive wheel is located in the kerve, and the drive wheel is connected with the actuating post, and the winding is provided with four haulage ropes on the drive wheel, four all open in the angle support has the guide track hole, four the guide track hole is used for the pass and the guide of four haulage ropes respectively, four haulage ropes all with the lifting cylinder is connected.

Preferably, the four corners of the lifting cylinder are fixedly connected with external semi-ring frames, the top ends of the four external semi-ring frames are fixedly connected with four traction ropes respectively, vertical grooves are formed in the four corner brackets, and the four external semi-ring frames are respectively and slidably connected in the four vertical grooves.

Preferably, the bottom fixedly connected with protection bottom plate of base, sliding connection has the friction ring on the protection bottom plate, the bottom fixedly connected with adjusting spring of friction ring, threaded connection has adjusting bolt on the protection bottom plate, it is connected with the swivel becket to rotate on the adjusting bolt, the swivel becket with the bottom fixed connection of adjusting spring, the bottom of drive wheel be provided with the roughness that the friction ring matees.

Preferably, the bottom circular groove is arranged at the bottom end of the driving wheel, a side ring groove matched with the traction rope is arranged on the driving wheel, four insertion holes are formed in the side ring groove and are respectively matched with the four traction ropes, a pressing plate is arranged in the bottom circular groove through a pressing bolt, and the pressing plate is used for auxiliary pressing and positioning of the traction rope in the bottom circular groove.

Further, synchronous drive structure includes four lift wedge strips, four lift wedge strip all with sealed lid sliding connection, four all be provided with on the sliding seal strip and assist to push away the inclined plane, four lift wedge strip respectively with four assist to push away the inclined plane and match, the top fixedly connected with synchronizing plate of four lift wedge strips, rotate on the synchronizing plate and be connected with the screw thread montant, screw thread montant and insert core threaded connection.

Further, the top of the thread vertical rod and the bottom of the adjusting bolt are fixedly connected with driving blocks, and a plurality of driving grooves are formed in the two driving blocks.

Further, the gas holder intercommunication has the adsorption tank, the adsorption tank intussuseption is filled with the adsorbent, and the gas that gets into in the gas holder can adsorb and the outer row after the adsorption through the adsorbent of adsorption tank intussuseption.

Further, an outer guide tube is communicated with the guide hole, and an on-off valve is arranged on the outer guide tube.

(III) beneficial effects

Compared with the prior art, the invention provides the fertilizer transportation sealing barrel, which has the following beneficial effects:

According to the invention, the sealing structure at the cylinder opening on the lifting cylinder body is formed by matching the sealing cover, the insert core and the sliding sealing strip, the overall sealing effect is improved by adopting a double sealing mode, and after the sliding sealing strip slides into the connecting sealing ring groove, the sealing cover can realize contact compression relative to the lifting cylinder body, and certain linkage is provided between the double sealing structures.

According to the invention, through the cooperation of the synchronous driving structure and the reset spring, the sliding sealing strip is convenient to drive when being inserted into the connecting sealing ring groove, and meanwhile, the sealing cover and the inserting core are convenient to form a seal after being relatively closed with the lifting cylinder body and the operation of sealing failure when being opened.

According to the invention, the main structure of fertilizer storage is formed by matching the base, the outer supporting structure, the fixed cylinder and the lifting cylinder, the structure can be adjusted along with the loading and unloading states of the fertilizer, the structure is more practical, and the lifting cylinder is convenient to follow up relative to the fixed cylinder along with the loading or unloading of the fertilizer through the design of the follow-up structure, so that the structure is more humanized.

According to the invention, the fan is controlled by the air pressure state in the fertilizer storage space through the cooperation of the fan, the communicating pipe, the telescopic bag, the elastic bag, the pressure sensor and the alarm, the degree of automation is higher, the optimal configuration of the energy supply of the fan and the monitoring of whether the fertilizer storage space is leaked or not can be achieved to a certain extent, and the practicability is better.

Drawings

FIG. 1 is a schematic view of a partially sectioned perspective structure of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 1;

FIG. 4 is a schematic perspective view of the base, the fixed cylinder, the corner bracket and the like of the present invention;

FIG. 5 is a schematic perspective view of a lifting cylinder according to the present invention;

FIG. 6 is a schematic perspective view of the whole structure of the present invention;

FIG. 7 is a schematic view in partial cross-section of a bottom perspective of the present invention;

FIG. 8 is a schematic view of a partially enlarged structure of the present invention at C in FIG. 7;

FIG. 9 is a schematic view of a partially enlarged structure of the invention at D in FIG. 7;

FIG. 10 is a schematic perspective view of the base, drive wheel, pinch plate, etc. of the present invention;

FIG. 11 is a schematic perspective view, partially in section, of the drive wheel, traction rope, friction ring, etc. of the present invention in an exploded, partially cut-away configuration;

FIG. 12 is a partially exploded perspective view of the overall bottom view of the present invention;

FIG. 13 is a schematic view showing the bottom perspective of the seal cap, insert core, elastomeric bladder, etc. of the present invention;

FIG. 14 is a schematic perspective view of a sliding seal bar according to the present invention;

Fig. 15 is a schematic perspective view of the cooperation of the driving wheel and the driving post according to the present invention.

In the figure: 1. a base; 2. fixing the cylinder; 3. lifting the cylinder; 4. an angle bracket; 5. sealing cover; 6. lifting the bottom plate; 7. sliding the sealing strip; 8. an insert; 9. connecting a sealing ring groove; 10. a reset spring; 11. a gas storage tank; 12. a communicating pipe; 13. an elastic bag; 14. a bellows; 15. a door-shaped frame; 16. a driving wheel; 17. a drive column; 18. a drive cylinder; 19. driving the spiral plate; 20. adapting the spiral groove; 21. a bottom groove; 22. a traction rope; 23. a guide rail hole; 24. an external semi-ring frame; 25. a vertical groove; 26. a protective bottom plate; 27. a friction ring; 28. an adjusting spring; 29. adjusting a bolt; 30. a rotating ring; 31. a rough surface; 32. a bottom circular groove; 33. a side ring groove; 34. an insertion hole; 35. a compacting plate; 36. lifting the wedge strip; 37. auxiliary pushing inclined planes; 38. a synchronizing plate; 39. a threaded vertical rod; 40. a driving block; 41. a driving groove; 42. an adsorption tank; 43. and (5) an outer guide tube.

Detailed Description

Examples: referring to fig. 1-15, a fertilizer transporting and sealing barrel comprises a base 1, an outer supporting structure, a fixing barrel 2, a lifting barrel 3 and a sealing cover 5, wherein the outer supporting structure comprises four corner brackets 4, the four corner brackets 4 are respectively and fixedly connected at four corners of the top end of the base 1, the fixing barrel 2 is fixedly connected at the top end of the base 1, the four corner brackets 4 are fixedly connected with the fixing barrel 2, the four corner brackets 4 are in sliding connection with the lifting barrel 3, the lifting barrel 3 and the fixing barrel 2 are in sliding sealing fit, a main structure of fertilizer storage is formed by the cooperation of the base 1, the outer supporting structure, the fixing barrel 2 and the lifting barrel 3, the structure can be adjusted along with the loading and unloading states of fertilizer, the fixing barrel 2 is in sliding connection with a lifting base plate 6, a follow-up structure is arranged in the base 1, after the fertilizer is placed on the lifting bottom plate 6, the lifting bottom plate 6 is driven to relatively fall in the fixed cylinder 2 due to the gravity action of the fertilizer, the falling lifting bottom plate 6 realizes the linkage lifting of the lifting cylinder 3 relative to the fixed cylinder 2 through a follow-up structure, four sliding sealing strips 7 are connected in a sliding manner in the lifting cylinder 3, the follow-up structure comprises a driving wheel 16 and a driving column 17, the driving column 17 is rotationally connected with the base 1, a driving cylinder 18 is fixedly connected with the driving column 18 in the driving cylinder 18, an adaptive spiral groove 20 matched with the driving spiral plate 19 is formed in the driving column 17, a bottom groove 21 is formed at the bottom end of the base 1, the driving wheel 16 is positioned in the bottom groove 21, the driving wheel 16 is connected with the driving column 17, four traction ropes 22 are wound on the driving wheel 16, a bottom circular groove 32 is formed at the bottom end of the driving wheel 16, the driving wheel 16 is provided with a side ring groove 33 matched with the traction rope 22, four insertion holes 34 are arranged in the side ring groove 33, the four insertion holes 34 are respectively matched with the four traction ropes 22, a compression plate 35 is arranged in the bottom round groove 32 through compression bolts, the compression plate 35 is used for auxiliary compression positioning of the traction ropes 22 in the bottom round groove 32, the four corner brackets 4 are respectively provided with a guide track hole 23, the four guide track holes 23 are respectively used for passing and guiding the four traction ropes 22, the four traction ropes 22 are respectively connected with the lifting cylinder 3, the four corners of the lifting cylinder 3 are respectively fixedly connected with an external half-ring frame 24, the top ends of the four external half-ring frames 24 are respectively fixedly connected with the four traction ropes 22, the four corner brackets 4 are respectively provided with a vertical groove 25, the four external half-ring frames 24 are respectively and slidably connected in the four vertical grooves 25, through the design of a follow-up structure, the lifting cylinder 3 is conveniently assembled or disassembled along with fertilizer to form follow-up relative to the fixed cylinder 2, the bottom end of the base 1 is fixedly connected with a protective bottom plate 26, the protective bottom plate 26 is slidably connected with a friction ring 27, the bottom end of the friction ring 27 is fixedly connected with an adjusting spring 28, the protective bottom plate 26 is in threaded connection with an adjusting bolt 29, the adjusting bolt 29 is rotationally connected with a rotating ring 30, the rotating ring 30 is fixedly connected with the bottom end of the adjusting spring 28, the bottom end of the driving wheel 16 is provided with a rough surface 31 matched with the friction ring 27 for matching with the relative abutting force between the friction ring 27 and the driving wheel 16, the friction force formed between the rough surface 31 and the friction ring 27 under the abutting force is matched with the fertilizer, so that the lifting cylinder 3 is conveniently improved after the fertilizer with different densities is added on the lifting bottom plate 6, reducing the occurrence of the phenomenon that too much fertilizer is not added when too much fertilizer is added, which causes the lifting cylinder 3 to lift up prematurely, and reducing the occurrence of the phenomenon that too much fertilizer is added when too little fertilizer is added, which already fills the fixed cylinder 2 and does not cause the lifting cylinder 3 to lift up too late.

The sealing structure of the cylinder mouth on the lifting cylinder body 3 is formed by matching the sealing cover 5, the inserting core 8 and the sliding sealing strips 7, the sealing structure of the whole sealing effect is improved by adopting a double sealing mode, after the sliding sealing strips 7 slide into the connecting sealing ring groove 9, the sealing cover 5 can realize contact compaction relative to the lifting cylinder body 3, certain linkage is provided between the double sealing structures, the four sliding sealing strips 7 are fixedly connected with reset springs 10, the four reset springs 10 are fixedly connected in the lifting cylinder body 3, the synchronous driving structure is arranged in the sealing cover 5 and is used for synchronous driving of the four sliding sealing strips 7, the synchronous driving structure comprises four lifting wedge strips 36, the four lifting wedge strips 36 are in sliding connection with the sealing cover 5, auxiliary pushing inclined planes 37 are arranged on the four sliding sealing strips 7, the four lifting wedge strips 36 are respectively matched with the four auxiliary pushing inclined planes 37, the top ends of the four lifting wedge strips 36 are fixedly connected with a synchronous plate 38, the synchronous plate 38 is rotationally connected with a threaded vertical rod 39, the threaded vertical rod 39 is in threaded connection with the insert core 8, the sliding sealing strips 7 are conveniently driven to form insertion into the connecting sealing ring groove 9 through the cooperation of the synchronous driving structure and the reset spring 10, meanwhile, the sealing cover 5 and the insert core 8 are also conveniently closed relatively with the lifting cylinder 3, the sealing failure operation is also conveniently carried out during the opening of the sealing, the annular groove is formed at the top end of the insert core 8, an alarm, a fan, the air storage tank 11 and the communicating pipe 12 are arranged in the annular groove, the guiding hole matched with the air suction inlet of the fan is formed in the bottom end of the insertion core 8, the air outlet of the fan is communicated with the air storage tank 11, the bottom end and the top end of the communicating pipe 12 are respectively communicated with the elastic bag 13 and the telescopic bag 14, the storage groove matched with the elastic bag 13 is formed in the bottom end of the insertion core 8, the telescopic bag 14 is located in the annular groove, the door-shaped frame 15 is fixedly connected in the annular groove, the pressure sensor is mounted in the door-shaped frame 15 and used for controlling the start and stop of the fan, the pressure sensor is used for alarming control of the alarm, the fan is controlled by the air pressure state in the fertilizer storage space through the fan, the communicating pipe 12, the telescopic bag 14, the elastic bag 13, the pressure sensor and the alarm, the degree of automation is high, the optimal configuration of the fan energy supply can be achieved to a certain extent, whether the fertilizer storage space leaks is monitored, the practicality is good, the top end of the vertical rod 39 and the bottom end of the adjusting bolt 29 are fixedly connected with the driving blocks 40, the two driving blocks 40 are respectively provided with the driving grooves 41, the auxiliary driving of the screw 39 and the adjusting bolt 29, the air storage tank 11 is communicated with the adsorption tank 42, the adsorption tank 42 is filled with the air suction tank 11, the air can be filled with the air pressure state, and the air can enter the air storage tank 43 and can be filled with the air storage tank and the air storage tank 43, and the auxiliary air tank 43 is filled with the air tank and can be filled with the air tank.

The alarm, the fan and the pressure sensor in this embodiment are all conventional devices known to those skilled in the art and purchased in the market, and in this embodiment, only the configuration and the function of the alarm, the fan and the pressure sensor are used, but the configuration, the installation and the electrical connection are not improved, so that those skilled in the art only need to perform debugging operations according to the requirements of the application specification of the alarm, the fan and the pressure sensor, and no further description is given here.

In summary, the working process of the fertilizer transportation sealing barrel comprises that when in use, firstly, the fertilizer transportation sealing barrel is placed at a place close to the place of fertilizer, when the fertilizer is loaded, firstly, the threaded vertical rod 39 is rotated, the lifting of the synchronous plate 38 relative to the sealing cover 5 is realized, the pushing action of the lifting wedge strip 36 to the auxiliary pushing inclined plane 37 is disabled, under the action of the reset spring 10, the sliding sealing strip 7 withdraws from the connecting sealing ring groove 9, then the sealing cover 5 is lifted relative to the lifting barrel 3, if necessary, the lifting of the sealing cover 5 is realized through an external auxiliary device, then the fertilizer is loaded into a space formed by matching the fixed barrel 2 with the lifting barrel 3, the lifting barrel 3 falls relative to the fixed barrel 2 due to the self gravity of the lifting barrel 3, so that the fertilizer is conveniently loaded, the lifting barrel 3 can rise relative to the fixed barrel 2 along with the fertilizer, so as to facilitate the further loading of the fertilizer, after the fertilizer is loaded, the sealing cover 5 is covered relative to the lifting barrel 3, the lifting body 3, the sliding wedge strip 7 is required to be inserted into the lifting barrel 3 in the process of the sealing cover 5 relative to the lifting body cover, then, the synchronous plate 38 is enabled to fall relative to the sealing strip 5 through the rotating the threaded vertical rod 39, the sliding wedge strip 7 falls relative to the lifting body 3, the sliding sealing strip 7 is also falls relative to the sealing strip 7 and is formed by sliding sealing strip 7 and is contacted with the lifting sealing strip 9 in the lifting body 9, the sliding sealing strip 7 is formed between the sealing ring groove 9 and is contacted with the sliding sealing strip 9 and is formed, so can realize double seal effect to for making things convenient for the contact seal between sealed lid 5 and the lift barrel 3, the bottom of sliding seal strip 7 can design gradual change face, in order to conveniently improve the relative pressure between sealed lid 5 and the lift barrel 3, and all can set up the extrusion structure of elastic material in sealed lid 5's bottom and connection seal ring groove 9, in order to strengthen sealed effect.

Further, after the sealing cover 5 is sealed relative to the lifting cylinder 3, the fixed cylinder 2, the lifting cylinder 3, the inserting core 8 and the lifting bottom plate 6 can be formed through a fan to discharge the abundant gas in the fertilizer storage space, and if the vacuum pumping operation is required to be performed in the fertilizer storage space, the corresponding construction can be formed through the outer induced pipe 43 and the external vacuum pumping equipment, the on-off valve is opened during the construction, the on-off valve is closed after the construction is completed, then the fertilizer transportation sealing barrel and the fertilizer in the fertilizer transportation sealing barrel are transported to the transportation device, the electric power supply is conducted for the alarm, the fan and the pressure sensor, a storage battery can be adopted for the electric power supply, other electric power supply modes can be adopted under the condition that the condition allows, the alarm and the pressure sensor are started, the alarm and the pressure sensor are in standby state in daily state, meanwhile, the pressure difference is formed between the inside the fertilizer storage space and the outside atmosphere according to the use requirement, the elastic bag 13 is inflated under the action of the pressure difference, the elastic bag 14 is compressed, and when the pressure difference is generated in the fertilizer movement process, the self-such as the fermentation gas in the fertilizer is transported to the transportation device, the alarm, the fan and the pressure sensor is inflated, the pressure difference is gradually increased with the pressure difference between the pressure difference is formed between the inside the storage space and the outside air, and the air pressure sensor is gradually increased when the pressure difference is increased, and the pressure value is increased when the pressure is increased, and the pressure value is increased, and is caused by the pressure difference is corresponding to the pressure value inside the air, the blower is started, the air in the fertilizer storage space is discharged to the air storage tank 11 by the blower, and the air in the fertilizer storage space is reduced along with the operation of the blower, the pressure difference between the air in the fertilizer storage space and the air outside is increased again, so that the re-inflation of the elastic bag 13 can be realized, the pressure of the elastic bag 14 acting on the pressure sensor is reduced or even reduced to disappear, when the pressure value of the pressure sensor is lower than the pressure value area matched with the blower, the blower stops working, the selection of the pressure value area matched with the blower is set according to the pressure in the fertilizer storage space, the air storage tank 11 realizes temporary storage of the air pumped by the blower, and the air storage tank 11 gradually absorbs the air to form an external treatment tank 42 along with the diffusion of the air in the air storage tank 11 after the air is started by the control of the pressure sensor.

Claims (7)

1. The utility model provides a fertilizer transportation seal barrel, includes base (1), its characterized in that still includes outer supporting structure, fixed barrel (2), lift barrel (3) and sealed lid (5), outer supporting structure includes four angle brackets (4), four angle brackets (4) are fixed connection respectively in the top four corners position department of base (1), fixed barrel (2) fixed connection is on the top of base (1), and four angle brackets (4) all with fixed barrel (2) fixed connection, four angle brackets (4) all with lift barrel (3) sliding connection is in sliding seal cooperation between lift barrel (3) and the fixed barrel (2), is connected with lift bottom plate (6) in fixed barrel (2) sliding connection, installs follower structure in base (1), follower structure includes drive wheel (16) and actuating post (17), actuating post (17) with base (1) rotate to be connected, fixedly connected with actuating cylinder (18) on elevating bottom plate (6), actuating cylinder (18) inner fixedly connected with actuating plate (19) are equipped with spiral drive groove (21) and are seted up in base (16) and spiral drive plate (21), and the driving wheel (16) is connected with the driving column (17), four traction ropes (22) are wound on the driving wheel (16), four guide track holes (23) are formed in the corner brackets (4), four guide track holes (23) are respectively used for penetrating and guiding the four traction ropes (22), the four traction ropes (22) are connected with the lifting cylinder (3), after fertilizer is placed on the lifting bottom plate (6), the lifting bottom plate (6) is driven to relatively fall in the fixed cylinder (2) due to the gravity effect of the fertilizer, the falling lifting bottom plate (6) realizes the linkage lifting of the lifting cylinder (3) relative to the fixed cylinder (2) through a follow-up structure, four sliding sealing strips (7) are connected in the lifting cylinder (3) in a sliding manner, the bottom end of the sealing cover (5) is fixedly connected with an inserting core (8), a connecting sealing ring groove (9) is formed in the inserting core (8), four sliding sealing strips (7) are matched with the connecting sealing ring groove (9), four reset springs (10) are fixedly connected with the four sliding sealing strips (7) and are fixedly connected with the four reset springs (10) and are fixedly connected with the four sealing strips (36) in the lifting cylinder (3) and are fixedly connected with the lifting sealing strips (3), four lifting wedge strips (36) are in sliding connection with the sealing cover (5), auxiliary pushing inclined planes (37) are arranged on the four sliding sealing strips (7), the four lifting wedge strips (36) are respectively matched with the four auxiliary pushing inclined planes (37), the top ends of the four lifting wedge strips (36) are fixedly connected with a synchronous plate (38), the synchronous plate (38) is rotationally connected with a threaded vertical rod (39), the threaded vertical rod (39) is in threaded connection with an inserting core (8), the synchronous driving structure is used for synchronous driving of the four sliding sealing strips (7), an annular groove is formed in the top end of the inserting core (8), an alarm, a fan, an air storage tank (11) and a communicating pipe (12) are arranged in the annular groove, the bottom end of the insert core (8) is provided with a guide hole matched with the air suction inlet of the fan, the air outlet of the fan is communicated with the air storage tank (11), the bottom end and the top end of the communicating pipe (12) are respectively communicated with an elastic bag (13) and a telescopic bag (14), the bottom end of the insert core (8) is provided with a storage groove matched with the elastic bag (13), the telescopic bag (14) is positioned in the annular groove, a door-shaped frame (15) is fixedly connected in the annular groove, a pressure sensor is arranged in the door-shaped frame (15), and as a pressure difference is formed between the inside of a fertilizer storage space and the outside atmosphere, the elastic bag (13) is inflated under the action of the pressure difference, the flexible bag (14) is compressed, and when fertilizer moves, the effect of self fermentation along with fertilizer, once produce gas, cause the gas in the fertilizer storage space to grow, and along with the accumulation of gas, thereby make the atmospheric pressure in this space increase, and then make the pressure differential between the fertilizer storage space and the external atmosphere diminish, so flexible bag (13) is gradually reduced by the state of being inflated, and corresponding flexible bag (14) is extruded and stretched, when flexible bag (14) is stretched and is acted on pressure sensor, pressure sensor bears certain pressure, when the pressure value of waiting for pressure sensor gets into the pressure value region that matches with the fan start-up, the fan starts, the fan work is discharged outside gas in the fertilizer storage space into gas holder (11), and along with the work of fan, the gas in the fertilizer storage space reduces, the pressure difference in the fertilizer storage space and outside increases again, so can realize the re-inflation of flexible bag (13), make the pressure of flexible bag (14) act on pressure sensor reduce even to the pressure value of disappearance when being lower than the pressure value region that matches with the fan, when the fan stretches to act on pressure sensor, pressure sensor is stopped when the fan, when waiting for pressure sensor's pressure value gets into the pressure sensor to start-up and is used for the pressure sensor to keep on the time, the alarm control after the pressure sensor is used for the pressure sensor to keep on the time, the pressure sensor is used for the pressure sensor to keep up, the alarm is used for the alarm is kept down, the alarm is kept off, the alarm is used for the time to realize, the alarm is kept down, and the alarm is used for the alarm is closed to the time to realize after the pressure alarm is used for the pressure and is used to the pressure to be closed.

2. The fertilizer transportation sealing barrel according to claim 1, wherein the four corners of the lifting barrel body (3) are fixedly connected with external semi-ring frames (24), the top ends of the four external semi-ring frames (24) are fixedly connected with four traction ropes (22) respectively, vertical grooves (25) are formed in the four corner brackets (4), and the four external semi-ring frames (24) are respectively and slidably connected in the four vertical grooves (25).

3. The fertilizer transportation sealing barrel according to claim 2, characterized in that the bottom end of the base (1) is fixedly connected with a protection bottom plate (26), a friction ring (27) is connected to the protection bottom plate (26) in a sliding manner, an adjusting spring (28) is fixedly connected to the bottom end of the friction ring (27), an adjusting bolt (29) is connected to the protection bottom plate (26) in a threaded manner, a rotating ring (30) is connected to the adjusting bolt (29) in a rotating manner, the rotating ring (30) is fixedly connected with the bottom end of the adjusting spring (28), and a rough surface (31) matched with the friction ring (27) is arranged at the bottom end of the driving wheel (16).

4. A fertilizer transportation sealing barrel according to claim 3, characterized in that the bottom end of the driving wheel (16) is provided with a bottom circular groove (32), the driving wheel (16) is provided with a side ring groove (33) matched with the traction rope (22), the side ring groove (33) is internally provided with four insertion holes (34), the four insertion holes (34) are respectively matched with the four traction ropes (22), the bottom circular groove (32) is internally provided with a pressing plate (35) through a pressing bolt, and the pressing plate (35) is used for auxiliary pressing and positioning of the traction ropes (22) in the bottom circular groove (32).

5. The fertilizer transporting sealed barrel according to claim 4, wherein the top end of the threaded vertical rod (39) and the bottom end of the adjusting bolt (29) are fixedly connected with driving blocks (40), and a plurality of driving grooves (41) are formed in each driving block (40).

6. The fertilizer transportation sealing barrel according to claim 5, wherein the gas storage tank (11) is communicated with an adsorption tank (42), an adsorption body is filled in the adsorption tank (42), and gas entering the gas storage tank (11) can be adsorbed and discharged after being adsorbed by the adsorption body filled in the adsorption tank (42).

7. The fertilizer conveying and sealing barrel according to claim 6, wherein an outer guide pipe (43) is communicated with the guide hole, and the outer guide pipe (43) is provided with an on-off valve.