CN114679937B

CN114679937B - Spray seeding table for spray seeding machine

Info

Publication number: CN114679937B
Application number: CN202210437856.XA
Authority: CN
Inventors: 席孝林; 马旭江; 何潇; 胡彬; 谭建国; 刘原
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2023-04-14
Anticipated expiration: 2042-04-25
Also published as: CN114679937A

Abstract

The invention provides a spray-seeding table for a spray-seeding machine, which comprises a base, an object placing assembly fixed on the base, a supporting assembly rotationally connected to the object placing assembly, a horizontal driving mechanism for driving the supporting assembly to rotate in a reciprocating manner in the horizontal direction by taking the object placing assembly as a central axis, and a vertical driving mechanism arranged on the base, wherein the object placing assembly is supported at the inlet end of a spray pipe of the spray-seeding machine, the supporting assembly is supported at the outlet end of the spray pipe of the spray-seeding machine, the supporting assembly and the spray pipe rotate together in the horizontal direction, the rotation angle is not more than 90 degrees, and the vertical driving mechanism is used for enabling the supporting assembly to descend once when the supporting assembly rotates to the maximum angle or returns to the minimum angle position. The invention has the effect of improving the problems of higher operation difficulty, higher labor intensity, smaller spraying range and lower efficiency in the use of the spray-seeding table in the prior art.

Description

Spray seeding table for spray seeding machine

Technical Field

The invention relates to the technical field of mine repair equipment, in particular to a spray-seeding table for a spray-seeding machine.

Background

In the prior art, a vehicle provided with a spray-seeding machine is mainly adopted to finish green restoration work, and when the spray-seeding machine is used, a worker stands on the spray-seeding vehicle and holds a spray pipe of the spray-seeding machine to spray a grass mixture to a specified place; the staff need manually overcome the vibrations of spray tube and rotate the appointed angle with the spray tube and just can accomplish work, and the operation degree of difficulty is great, and intensity of labour is higher, and spray range is less simultaneously, and efficiency is lower.

Therefore, the chinese utility model with publication number CN214628029U discloses a novel spray seeder capable of adjusting spray range, comprising: the device comprises a base, a support bin and a spraying material collecting bin, wherein the support bin is arranged on the base, and the inside of the support bin is suitable for being provided with the spraying material; the improved material collecting device is characterized in that a scissor-type lifting platform is arranged above the supporting bin, a spray pipe is arranged on a bedplate of the scissor-type lifting platform, a material suction pump is arranged at the rear end of the spray pipe, an inlet of the material suction pump is communicated with the material collecting bin through a hose, and the spray pipe is rotatably connected to the bedplate of the scissor-type lifting platform.

According to the related technology, in the using process, the scissor-type lifting platform can only drive the spray pipe to move in the vertical direction, when the spray pipe is sprayed in the horizontal direction or the vertical direction, the spray pipe needs to be manually rotated to complete the operation, the whole operation difficulty is high, the labor intensity is high, and the efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a spray-seeding table for a spray-seeding machine, which can solve the problems of higher operation difficulty, higher labor intensity, smaller spraying range and lower efficiency in the use of the spray-seeding table in the prior art.

According to the embodiment of the invention, the spray-seeding table for the spray-seeding machine comprises a base, an object placing assembly fixed on the base, a supporting assembly rotatably connected to the object placing assembly, a horizontal driving mechanism for driving the supporting assembly to rotate in a reciprocating manner in the horizontal direction by taking the object placing assembly as a central axis, and a vertical driving mechanism arranged on the base, wherein the object placing assembly is supported at the inlet end of a spray pipe of the spray-seeding machine, the supporting assembly is supported at the outlet end of the spray pipe of the spray-seeding machine, the supporting assembly and the spray pipe rotate together in the horizontal direction, the rotation angle is not more than 90 degrees, and the vertical driving mechanism is used for enabling the supporting assembly to descend once when the supporting assembly rotates to the maximum angle or returns to the minimum angle position.

By adopting the technical scheme, during spray seeding, the horizontal driving mechanism is utilized to drive the support assembly and the spray pipe to rotate in the horizontal direction by taking the object placing assembly as a central axis, so that the spray pipe performs spray seeding work at a certain angle in the horizontal direction; when the spray pipe rotates to the maximum angle in the horizontal direction, the vertical driving mechanism drives and enables the supporting height of the supporting assembly to be reduced, and after the height is reduced, the supporting assembly supports the outlet end of the spray pipe on the horizontal position which is lower than the previous height; then the horizontal driving mechanism drives the supporting assembly and the spray pipe to rotate reversely by taking the object placing assembly as a central axis, so that the spray seeding work on the next horizontal plane is completed; when the spray pipe returns to the minimum angle position, the vertical driving mechanism drives and enables the supporting height of the supporting assembly to be reduced again, and the circular reciprocating operation is carried out in sequence until the spraying operation of the whole slope surface is completed; through the spray-seeding mode, the manual operation work is reduced, and the problems of high operation difficulty, high labor intensity, small spray range and low efficiency in the use of a spray-seeding table in the prior art are solved.

Preferably, the support assembly comprises a transverse support plate with one end rotatably connected to the storage assembly, a vertical support column with the lower end intermittently supported by the transverse support plate, and a rotating seat rotatably connected to the upper end of the vertical support column, and the rotating seat is fixed at the outlet end of the spray pipe; when the spray pipe rotates in the horizontal direction, the transverse supporting plate is supported at the lower end of the vertical supporting column, and when the supporting assembly rotates to the maximum angle or returns to the minimum angle position, the supporting height of the vertical supporting column descends once.

By adopting the technical scheme, when the spray pipe and the support assembly rotate together in the horizontal direction by taking the object placing assembly as a central axis, the transverse support plate and the vertical support column rotate together, and the transverse support plate forms a support effect on the vertical support column; when the spray pipe and the supporting assembly rotate together to the maximum angle or the minimum angle, the vertical driving mechanism enables the supporting effect of the transverse supporting plate on the vertical supporting column to be cancelled, the supporting height of the vertical supporting column is lowered once, and then the vertical driving mechanism enables the transverse supporting plate to form the support for the vertical supporting column again, so that the spray pipe and the supporting assembly rotate reversely in the horizontal direction.

Preferably, the vertical supporting column comprises a mounting column and a plurality of limiting blocks which are vertically arranged on the side wall of the mounting column at intervals, two adjacent limiting blocks are respectively arranged on two sides of the mounting column, and the vertical distance between every two adjacent limiting blocks is not less than the thickness of the transverse supporting plate; the through-hole that supplies the erection column gliding and two via holes that supply the stopper gliding are seted up to horizontal backup pad, the pore wall butt of through-hole in the outer wall of erection column, vertical actuating mechanism is used for forming the switching to the via hole, two the switching state of via hole differs.

By adopting the technical scheme, when the spray pipe and the support assembly rotate in the horizontal direction together under the driving action of the horizontal driving mechanism, the vertical driving mechanism seals the two via holes, one limiting block abuts against the vertical driving mechanism, and the limiting block is opposite to the horizontal rotation direction of the spray pipe; when the spray pipe rotates to the maximum angle or the minimum angle in the horizontal direction, the vertical driving mechanism enables the via hole opposite to the horizontal rotating direction of the spray pipe to be opened, the limiting block and the mounting column on the via hole slide downwards simultaneously until the other limiting block abuts against the limiting block on the closed via hole, and then the horizontal driving mechanism drives the spray pipe to rotate reversely.

Preferably, the vertical driving mechanism comprises two groups of pulling assemblies which respectively seal the two via holes, and the transverse supporting plate horizontally rotates between the two pulling assemblies; the pulling assembly comprises a mounting rod mounted on the base, a pull rope, a bearing block and a return spring, one end of the pull rope is fixed to the mounting rod, the bearing block is connected to the transverse supporting plate in a sliding mode and used for sealing the through hole, the return spring is fixed to the transverse supporting plate and used for driving the bearing block to seal the through hole, and the other end of the pull rope penetrates through the transverse supporting plate and is fixed to the bearing block; when the transverse supporting plate rotates to the maximum angle or returns to the minimum angle position, the pull rope opposite to the rotating direction stretches and pulls the bearing block, and the through hole is opened.

By adopting the technical scheme, when the spray pipe and the transverse supporting plate rotate in the horizontal direction, the limiting block opposite to the horizontal rotation direction is abutted against the bearing block; when the spray pipe and the transverse supporting plate rotate to the maximum angle or the minimum angle together, the pull rope opposite to the rotation direction is straightened, the bearing block connected with the pull rope is pulled, the reset spring is compressed, the via hole is opened, the limiting block and the vertical supporting column descend together until the previous limiting block abuts against the other bearing block, the vertical supporting column stops descending, the vertical supporting column descends by a certain height, and the elevation angle of the outlet end of the spray pipe is reduced; and then, driving the spray pipe to rotate reversely through the horizontal driving mechanism.

Preferably, the base is provided with an arc groove taking the article placing assembly as a central axis, and the arc groove is a stepped groove; the installation rod comprises a fixed rod, an inserted rod, an I-shaped rod and a limiting rod, wherein one end of the fixed rod is matched with and slidably connected with the arc groove, the inserted rod is used for preventing the fixed rod from rotating, the I-shaped rod is rotatably connected to the other end of the fixed rod, the limiting rod is used for preventing the I-shaped rod from rotating, and one end of the pull rope is fixed on the I-shaped rod.

By adopting the technical scheme, during installation, the size of an included angle between the two installation rods can be changed by sliding the fixed rod in the arc groove, so that the size of a rotating angle of the transverse support plate and the spray pipe in the horizontal direction is changed, and spray-seeding ranges of different sizes of the spray pipe in the horizontal direction are realized; after the dead lever slides, the accessible inserted bar prevents that the dead lever from rotating, simultaneously, twines unnecessary stay cord on the I-shaped pole to utilize spacing pole to form spacing to the I-shaped pole pivoted spacing, when guaranteeing that horizontal backup pad rotates maximum angle or returns minimum angle position, stretch out with the stay cord that rotates opposite direction and will accept the piece pulling, the via hole is opened.

Preferably, the mounting post is not circular in transverse cross-section.

Through adopting above-mentioned technical scheme to prevent that the erection column from taking place to rotate relative to horizontal backup pad when atress or decline.

Preferably, one end of the limiting block inclines downwards and is inserted into the mounting column, and the other end of the limiting block extends along the horizontal direction and extends out of the mounting column.

By adopting the technical scheme, the limiting block is convenient to replace; and the distance between two adjacent limiting blocks in the vertical direction can be changed by drawing the limiting blocks out, so that the descending height of the outlet end of the spray pipe is changed.

Preferably, the lower side of one end, extending out of the mounting column, of the limiting block is provided with a buffer layer.

Through adopting above-mentioned technical scheme to form the cushioning effect that descends and butt on vertical actuating mechanism to the stopper through the buffer layer, reduce the probability of damaging because of the collision.

Preferably, the object placing assembly comprises a fixed column, two lug plates and two coaxial rotating shafts, the lower end of the fixed column is fixed on the base, the lug plates are arranged at intervals and fixed at the upper end of the fixed column, one end of each of the two coaxial rotating shafts is rotatably connected to the corresponding rotating shaft of the two lug plates, the spraying pipe is fixed to the other end of each of the two rotating shafts, and the supporting assembly is rotatably connected to the fixed column.

By adopting the technical scheme, when the horizontal driving mechanism drives the supporting component and the spray pipe to rotate along the horizontal direction, the supporting component rotates by taking the fixed column as the central axis; when the spray pipe rotates on the vertical plane to change the height of the outlet end, the spray pipe rotates by taking the rotating shaft as a central axis.

Preferably, horizontal actuating mechanism is including the cylinder that is fixed in the base, rotate and connect in cylindrical fixed cover, be fixed in the driving piece of fixed cover, one end is fixed in the connecting rod of driving piece drive end and rotate and connect in the connecting seat of the connecting rod other end, the connecting seat is fixed in one side of supporting component horizontal direction.

Through adopting above-mentioned technical scheme, when horizontal drive mechanism drive supporting component and spray tube rotated along the horizontal direction, the drive end of driving piece extended or shortened to drive supporting component and rotate along the horizontal direction.

In summary, the invention includes at least one of the following beneficial technical effects:

the storage component and the support component are respectively supported at the inlet end and the outlet end of the spray pipe, so that the stability of the spray pipe is ensured; the driving piece is arranged to indirectly drive the transverse supporting plate, the vertical supporting column and the spray pipe to do reciprocating rotation in the horizontal direction by taking the fixed column as a central axis through reciprocating extension and contraction of the driving end of the driving piece, so that the spray pipe does periodic spray-seeding work in the horizontal height towards the side slope; and set up stay cord and sliding connection in the piece that bears of horizontal backup pad, in order to accept the stopper through the piece that bears, support, make spray tube and supporting component be located minimum turned angle point or maximum turned angle point, the piece slip is accepted in the stay cord pulling, this piece of accepting, the exit end of vertical support post and spray tube descends a take the altitude together, thereby realize the change of spray tube exit end in vertical direction upper elevation, and then make the spray tube carry out the reciprocal spray-seeding work of a plurality of horizontal planes from high to low of side slope, it is great to improve the use of spray-seeding platform among the prior art and have the operation degree of difficulty, high labor strength, the range of spraying is less simultaneously, the lower problem of efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is an enlarged view of the portion A in FIG. 1, showing the receiving block pulled and the stop block about to fall;

FIG. 3 is a schematic view of a partial cross-sectional structure of an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

In the drawings, wherein: 1. a nozzle; 2. a base; 21. an arc groove; 22. a first jack; 3. an article placing component; 31. fixing the column; 32. an ear plate; 33. a rotating shaft; 4. a support assembly; 41. a transverse support plate; 411. a through hole; 412. a via hole; 42. A vertical support column; 421. mounting a column; 4211. a limiting ring; 422. a limiting block; 4221. a buffer layer; 43. a rotating seat; 5. a cylinder; 51. fixing a sleeve; 52. a drive member; 53. a connecting rod; 54. a connecting seat; 6. a pulling assembly; 61. mounting a rod; 611. fixing the rod; 6111. a second jack; 612. a rod is inserted; 613. an I-shaped rod; 614. a limiting rod; 62. pulling a rope; 63. a bearing block; 64. a return spring.

Detailed Description

The invention will be further illustrated with reference to the accompanying figures 1-4.

Referring to fig. 1 and 2, an embodiment of the present invention provides a spray-seeding table for a spray-seeding machine, including a base 2, an object placing assembly 3, a supporting assembly 4, a horizontal driving mechanism, and a vertical driving mechanism; the base 2 is fixed on the spray-seeding machine to be used as a mounting base for mounting the whole spray-seeding table on the spray-seeding machine.

The article placing component 3 is fixed on the base 2 to be supported at the inlet end of the spray pipe 1, and when the spray pipe 1 is stressed, the spray pipe 1 rotates on a vertical plane by taking the supporting point as a central axis, so that the height of the outlet end of the spray pipe 1 is changed; supporting component 4 rotates to be connected on putting thing subassembly 3, and supports in the exit end of spray tube 1 to with put under thing subassembly 3's combined action, guarantee the stability when spray tube 1 is supported.

The horizontal driving mechanism is used for driving the supporting component 4 and the spray pipe 1 to rotate in a reciprocating mode in the horizontal direction by taking the object placing component 3 as a central axis, in the embodiment of the invention, when the spray pipe 1 rotates from the initial position to the final position, an included angle of a connecting line formed by the spray pipe 1 and the object placing component 3 is not larger than 90 degrees, namely the supporting component 4 and the spray pipe 1 rotate together in the horizontal direction, and the rotating angle is not larger than 90 degrees. The vertical driving mechanism is used for making the supporting assembly 4 rotate to the maximum angle or return to the minimum angle position, so that the supporting height of the supporting assembly 4 descends once.

During the installation, be fixed in the spray-seeding machine with base 2 on, then support in the entrance point of spray tube 1 through putting thing subassembly 3, support in the exit end of spray tube 1 through support assembly 4 to make the height that highly is greater than the entrance point of spray tube 1 exit end, in order to guarantee that spray tube 1 sprays downwards from the highest point of side slope, with the suction pump of spray tube 1 intercommunication spray-seeding machine again, the preparation work of accomplishing the spray-seeding.

During spraying and sowing, the initial vertical planes of the spray pipe 1 and the support component 4 can be located between the minimum angle and the maximum angle, the minimum angle is the position of the spray pipe 1 and the support component 4 when the horizontal driving mechanism is not extended, and the maximum angle is the position of the spray pipe 1 and the support component 4 when the horizontal driving mechanism is formed to the maximum. When the device works, the horizontal driving mechanism drives the spray pipe 1 and the support component 4 to rotate to the final position (the maximum driving stroke of the horizontal driving component) in the horizontal direction, namely, in the process of the maximum angle, the spray pipe 1 carries out horizontal spray-seeding work on the highest position of the side slope; after rotating to the final position, the supporting height of the supporting component 4 to the outlet end of the spray pipe 1 is reduced once; then, in the process that the horizontal driving mechanism drives the spray pipe 1 and the support component 4 to rotate reversely to the minimum angle position, the spray pipe 1 carries out spray-seeding work on the next level height of the side slope in the horizontal direction; after rotating to the minimum angle, the supporting height of the supporting component 4 for the outlet end of the spray pipe 1 is lowered again. The spraying pipe 1 is used for sequentially spraying and seeding on the side slope from top to bottom, so that the problems that in the prior art, the spraying and seeding table is high in operation difficulty, high in labor intensity, small in spraying range and low in efficiency are solved.

Referring to fig. 1 and 2, in particular, the placing component 3 includes a fixing column 31, two ear plates 32 and two rotating shafts 33; the fixed column 31 is vertically arranged, the lower end of the fixed column is fixed on the base 2, and the middle end of the fixed column 31 is also provided with a ring groove; the two ear plates 32 are arranged at the top ends of the fixed columns 31 at intervals; the two rotating shafts 33 are coaxially arranged on the two lug plates 32 and are oppositely arranged, and two ends of the rotating shafts 33 are respectively connected to the lug plates 32 and the inlet end of the spray pipe 1 in a rotating manner, so that when the height of the outlet end of the spray pipe 1 is reduced, the spray pipe 1 rotates by taking the rotating shafts 33 as the central axis.

The supporting assembly 4 comprises a transverse supporting plate 41, a vertical supporting column 42 and a rotating seat 43; the horizontal support plate 41 is horizontally arranged, one end of the horizontal support plate is matched and rotatably connected with the annular groove of the fixed column 31, the other end of the horizontal support plate penetrates through the through hole 411 and two via holes 412 which are communicated with the through hole 411, the through hole 411 is not a round hole, the two via holes 412 are located on the same straight line, a step is arranged on the hole wall of each via hole 412, and the via holes 412 penetrate through the horizontal support plate 41 along the horizontal direction. The vertical driving mechanism is used for controlling the open-close states of the vias 412, and the open-close states of the two vias 412 are different.

The vertical support columns 42 are vertically disposed, and the lower ends are supported by the lateral support plates 41. The vertical supporting column 42 comprises a mounting column 421 and a plurality of limiting blocks 422; the transverse cross-section of the mounting post 421 is not circular to fit and slidably couple to the through-hole 411 so that the mounting post 421 can only slide vertically relative to the transverse support plate 41.

One end of the limiting block 422 is inclined downwards and inserted into the mounting column 421 for disassembly, and can prevent the limiting block 422 from falling off the mounting column 421, and the other end extends along the horizontal direction and extends out of the mounting column 421; the plurality of limit blocks 422 are vertically arranged at intervals, two adjacent limit blocks 422 are respectively arranged at two sides of the mounting column 421, and the vertical distance between the two adjacent limit blocks 422 is not less than the thickness of the transverse supporting plate 41. The limiting blocks 422 on the two sides of the mounting column 421 are located right above the via hole 412, so that when the via hole 412 is opened, the mounting column 421 and the limiting blocks 422 can fall down simultaneously, and the height is reduced.

Rotating seat 43 is fixed at the outlet end of nozzle 1 and is rotatably connected to the upper end of mounting column 421, so that when mounting column 421 descends, the height of the outlet end of nozzle 1 descends, and the elevation angle of nozzle 1 descends.

When the horizontal driving mechanism drives the supporting component 4 and the spray pipe 1 to rotate on the horizontal plane by taking the fixed column 31 as a central axis, the vertical driving mechanism seals the two through holes 412, and a limiting block 422 opposite to the rotating direction abuts against the vertical driving mechanism; when the horizontal spraying seeding machine rotates to the maximum angle or the minimum angle, the via hole 412 close to the limiting block 422 is opened by the vertical driving mechanism, so that the limiting block 422 and the vertical supporting column 42 descend simultaneously until the next limiting block 422 abuts against the vertical driving mechanism, the spraying pipe 1 rotates on the vertical plane by taking the rotating shaft 33 as the central axis, the inlet end height of the spraying pipe 1 descends, the horizontal driving mechanism indirectly drives the spraying pipe 1 to rotate reversely on the horizontal plane, and the horizontal spraying seeding work of the next height of the slope is completed.

Wherein, the upper end of the mounting column 421 is provided with a limit ring 4211 to prevent the mounting column 421 from directly separating from the transverse support plate 41 after the mounting column 421 and the limit block 422 descend gradually.

A buffer layer 4221 is arranged on the lower side of one end, extending out of the mounting column 421, of the limiting block 422, and the buffer layer 4221 can be made of rubber so as to form a buffer effect on descending of the limiting block 422 and abutting against the vertical driving mechanism.

The horizontal driving mechanism comprises a cylinder 5, a fixed sleeve 51, a driving piece 52, a connecting rod 53 and a connecting seat 54; the column 5 is vertically arranged and the lower end is fixed on the base 2; the fixing sleeve 51 is rotatably connected to the upper end of the cylinder 5; the driving member 52 can be a cylinder fixed on the fixing sleeve 51, and the driving end extends horizontally toward the transverse support plate 41; one end of the connecting rod 53 is fixed to the driving end of the driving member 52, and the other end horizontally protrudes toward the lateral support plate 41; the coupling seat 54 is rotatably coupled to the coupling rod 53, and the coupling seat 54 is fixed to a side wall of the lateral support plate 41.

In the embodiment of the invention, when the maximum angle of rotation of the support assembly 4 and the spray pipe 1 on the horizontal plane is the maximum extension length of the driving end set by the driving part 52, and when the position a (ray) of the spray pipe 1 and the minimum extension length of the driving end set by the driving part 52 are at the minimum extension length, the included angle between the position b (ray) of the spray pipe 1 is 90 degrees at the maximum angle, and the minimum angle is 0 degree at the minimum angle.

Referring to fig. 3 and 4, an arc groove 21 with a fixed column 31 as a central axis is formed in the base 2, and the arc groove 21 is a stepped groove; still seted up a plurality of first jacks 22 that set up to the interval along arc groove 21 groove on base 2, first jack 22 vertically communicates arc groove 21.

The vertical driving mechanism comprises two groups of pulling assemblies 6, the two groups of pulling assemblies 6 respectively control the closed states of the two via holes 412, and the transverse supporting plate 41 and the spray pipe 1 horizontally rotate between the two pulling assemblies 6.

Specifically, the pulling assembly 6 includes a mounting rod 61, a pull cord 62, a receiving block 63, and a return spring 64. The mounting rod 61 comprises a fixing rod 611, an inserting rod 612, an I-shaped rod 613 and a limiting rod 614; the fixing rod 611 is vertically arranged, the lower end of the fixing rod 611 is matched and slidably connected with the arc groove 21, and a through hole which can be communicated with the first insertion hole 22 is formed in the end of the fixing rod 611 so as to limit the fixing rod 611 to slide in the arc groove 21 by the insertion of the insertion rod 612; a plurality of second insertion holes 6111 are circumferentially arranged at intervals at the upper end of the fixing rod 611. The i-shaped rod 613 is vertically arranged, the lower end of the i-shaped rod 613 is rotatably connected to the upper end of the fixing rod 611, a limiting hole is formed in the upper end of the i-shaped rod 613, and the second insertion hole 6111 can be communicated with the limiting hole. The limiting rod 614 is inserted into the limiting hole of the second socket 6111 to limit the rotation of the i-shaped rod 613.

One end of the pull cord 62 is fixed to the i-bar 613, and the other end thereof passes through the return spring 64 and is fixed to the receiving block 63, and the pull cord 62 is a non-retractable cord. The receiving block 63 is adapted and slidably connected to the through hole 412, the return spring 64 is located in the through hole 412, and two ends of the return spring are fixed to the wall of the receiving block 63 and the wall of the through hole 412 respectively.

When the horizontal driving mechanism indirectly drives the spray pipe 1 to rotate on the horizontal plane, the pull rope 62 opposite to the rotation direction is gradually straightened; when the transverse supporting plate 41 rotates to the maximum angle or returns to the minimum angle position, the pull rope 62 with the opposite rotating direction stretches and pulls the bearing block 63, the bearing block 63 slides in the through hole 412, the return spring 64 compresses, so that the supporting effect of the limiting block 422 by the limiting block 422 which is abutted to the bearing block 63 is cancelled, the mounting column 421 descends until one limiting block 422 above abuts to the other bearing block 63, the mounting column 421 stops descending, and the outlet end of the spray pipe 1 descends by a certain height; when the nozzle 1 rotates in the reverse direction in the horizontal plane, the return spring 64 returns to its natural state, driving the bearing block 63 to slide and return to its original position.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a spray-seeding table for spray-seeding machine which characterized in that: the spray pipe type seeder comprises a base (2), an object placing assembly (3) fixed on the base (2), a supporting assembly (4) rotatably connected to the object placing assembly (3), a horizontal driving mechanism used for driving the supporting assembly (4) to rotate in a reciprocating manner in the horizontal direction by taking the object placing assembly (3) as a central axis, and a vertical driving mechanism arranged on the base (2), wherein the object placing assembly (3) is supported at an inlet end of a spray pipe (1) of the seeder, the supporting assembly (4) is supported at an outlet end of the spray pipe (1) of the seeder, the supporting assembly (4) and the spray pipe (1) rotate together in the horizontal direction, the rotation angle is not more than 90 degrees, and the vertical driving mechanism is used for enabling the supporting assembly (4) to rotate to the maximum angle or return to the minimum angle position and enabling the supporting height of the supporting assembly (4) to descend for one time; the supporting assembly (4) comprises a transverse supporting plate (41) with one end rotatably connected to the article placing assembly (3), a vertical supporting column (42) with the lower end intermittently supported by the transverse supporting plate (41), and a rotating seat (43) rotatably connected to the upper end of the vertical supporting column (42), and the rotating seat (43) is fixed at the outlet end of the spray pipe (1); when the spray pipe (1) rotates in the horizontal direction, the transverse support plate (41) is supported at the lower end of the vertical support column (42), and when the support assembly (4) rotates to a maximum angle or returns to a minimum angle position, the support height of the vertical support column (42) descends once; the vertical supporting columns (42) comprise mounting columns (421) and a plurality of limiting blocks (422) which are vertically arranged on the side walls of the mounting columns (421) at intervals, two adjacent limiting blocks (422) are respectively arranged on two sides of the mounting columns (421), and the vertical distance between every two adjacent limiting blocks (422) is not smaller than the thickness of the transverse supporting plate (41); the transverse supporting plate (41) is provided with a through hole (411) for the mounting column (421) to slide downwards and two through holes (412) for the limiting blocks (422) to slide downwards, the hole wall of the through hole (411) is abutted to the outer wall of the mounting column (421), the vertical driving mechanism is used for opening and closing the through holes (412), and the opening and closing states of the two through holes (412) are different; the vertical driving mechanism comprises two groups of pulling assemblies (6) which are respectively sealed for the two through holes (412), and the transverse supporting plate (41) horizontally rotates between the two pulling assemblies (6); the pulling assembly (6) comprises an installation rod (61) installed on the base (2), a pulling rope (62) with one end fixed to the installation rod (61), a bearing block (63) connected to the transverse support plate (41) in a sliding mode and used for sealing the through hole (412), and a return spring (64) fixed to the transverse support plate (41) and used for driving the bearing block (63) to seal the through hole (412), wherein the other end of the pulling rope (62) penetrates through the transverse support plate (41) and is fixed to the bearing block (63); when the transverse supporting plate (41) rotates to the maximum angle or returns to the minimum angle position, the pull rope (62) opposite to the rotating direction stretches and pulls the bearing block (63), and the through hole (412) is opened.

2. A seed table for a seed sprayer according to claim 1, wherein: the base (2) is provided with an arc groove (21) taking the article placing component (3) as a central axis, and the arc groove (21) is a stepped groove; the mounting rod (61) comprises a fixing rod (611) with one end matched and slidably connected with the arc groove (21), an inserting rod (612) used for preventing the fixing rod (611) from rotating, an I-shaped rod (613) rotatably connected with the other end of the fixing rod (611), and a limiting rod (614) used for preventing the I-shaped rod (613) from rotating, and one end of the pull rope (62) is fixed to the I-shaped rod (613).

3. A seed table for a seed sprayer according to claim 1, wherein: the mounting post (421) is not circular in transverse cross-section.

4. A seed table for a seed sprayer according to claim 1, wherein: one end of the limiting block (422) is downwards inclined and inserted into the mounting column (421), and the other end of the limiting block extends along the horizontal direction and extends out of the mounting column (421).

5. A spray seeding station for a spray seeding machine according to claim 4, wherein: a buffer layer (4221) is arranged on the lower side, extending out of one end of the mounting column (421), of the limiting block (422).

6. A spray booth for a spray planter according to claim 1, wherein: put thing subassembly (3) including fixed column (31) that the lower extreme is fixed in base (2), two interval settings and be fixed in otic placodes (32) and two coaxial and one end rotate respectively and connect in axis of rotation (33) of two otic placodes (32) of fixed column (31) upper end, spray tube (1) is fixed in the other end of two axis of rotation (33) simultaneously, supporting component (4) rotate to be connected in fixed column (31).

7. A seed table for a seed sprayer according to any one of claims 1 to 6, wherein: horizontal actuating mechanism is including cylinder (5) that are fixed in base (2), rotate fixed cover (51) of connecting in cylinder (5), be fixed in driving piece (52) of fixed cover (51), connecting rod (53) that one end is fixed in driving piece (52) drive end and rotate and connect in connecting seat (54) of connecting rod (53) other end, connecting seat (54) are fixed in the one side of supporting component (4) horizontal direction.