CN109121494B

CN109121494B - Agricultural machinery is with ploughing machine convenient to soil to plough rod outside is got rid of

Info

Publication number: CN109121494B
Application number: CN201811339943.1A
Authority: CN
Inventors: 熊姚振
Original assignee: Taizhou Luqiao Jiedi Sanitary Ware Factory
Current assignee: Taizhou Luqiao Jiedi sanitary ware factory
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2021-12-10
Anticipated expiration: 2038-11-12
Also published as: CN109121494A

Abstract

The invention discloses a plowing machine for agricultural machinery, which is convenient for removing soil outside a plough rod and comprises a machine shell main body and a material storage chamber, wherein a fixing groove is arranged in the machine shell main body, a water storage tank is fixed in the fixing groove, a water pump is arranged on the right side of the water storage tank, the right side of the water pump is connected with a two-way connector, a water delivery pipe is arranged below the two-way connector, a water spray head is fixed at the bottom of the water delivery pipe, a first fixing frame is arranged on the outer side of the water delivery pipe, and a supporting plate is arranged on the right side of the water delivery pipe. This agricultural machinery is with ploughing machine convenient to soil to the plow stock outside is got rid of is provided with the second plow stock, and the second plow stock is in the rear side of first plow stock, and the second plow stock is crisscross distribution with first plow stock for the soil of both sides carries out slight burying to the soil of first plow stock plough about the second plow stock, and then is convenient for cover fertilizer, thereby be convenient for fertilizer fine and soil contact.

Description

Agricultural machinery is with ploughing machine convenient to soil to plough rod outside is got rid of

Technical Field

The invention relates to the technical field of agricultural mechanization and automation thereof, in particular to a plowing machine for agricultural machinery, which is convenient for removing soil outside a plough rod.

Background

Agricultural mechanization and automation thereof widely refer to various equipment used for agricultural planting, harvesting and the like, and now with the continuous development of our national society, our science and technology is also continuously improved, so that a batch of agricultural mechanical equipment is emerged in the market for agricultural planting and harvesting and the like, further manual labor is replaced by mechanization, in the agricultural planting process, we firstly use a plowing machine to plow the soil through the plowing machine, so that the soil is soft and convenient for planting seeds.

The plow capable of changing the plowing depth disclosed in the publication No. CN207201241U can adjust the plowing depth to improve the working efficiency by a simple method, but the plow needs manual fertilization of workers during the use process, so that the workload is increased;

notice No. CN207252167U discloses a multi-functional plowing machine, though can automatic and even fertilization, lightened work load, can not make partial soil cover in the top of fertilizer and fertilizer fine contact among this technical scheme, lead to fertilizer to spill the top of soil and volatilize with the air easily, make the effect of fertilizer reduce, after ploughing, need the manual work to detach the soil of plough rod outside adhesion, and then increased work load, simultaneously, when the weather is arid, not only inconvenient ploughing the soil, still make the fertilizer that spills can not fine dissolve and absorb.

We have therefore proposed a plow for agricultural machinery which facilitates removal of soil outside the shank so as to solve the problems set forth above.

Disclosure of Invention

The invention aims to provide a plough machine for agricultural machinery, which is convenient for removing soil on the outer side of a plough rod, and aims to solve the problems that the fertilizer of the traditional plough machine on the market is easy to volatilize with air when being scattered above the soil, so that the effect of the fertilizer is reduced, the soil adhered on the outer side of the plough rod needs to be manually removed after ploughing, the workload is increased, and meanwhile, when the weather is dry, the plough machine is inconvenient for ploughing the soil and the scattered fertilizer cannot be well dissolved and absorbed.

In order to achieve the purpose, the invention provides the following technical scheme: a plowing machine for agricultural machinery convenient for removing soil outside a plough rod comprises a machine shell main body and a material storage chamber, wherein a fixed groove is arranged inside the machine shell main body, a water storage tank is fixed inside the fixed groove, a water pump is arranged on the right side of the water storage tank, a two-way connector is connected to the right side of the water pump, a water delivery pipe is arranged below the two-way connector, a water spray head is fixed at the bottom of the water delivery pipe, a first fixing frame is arranged outside the water delivery pipe, a supporting plate is arranged on the right side of the water delivery pipe, a first fixing frame is fixed outside the material storage chamber, a second fixing frame is arranged below the material storage chamber, movable plates are arranged on the left side and the right side of the second fixing frame, clamping grooves are formed in the outer sides of the movable plates, the supporting plate is fixed outside the clamping grooves, a hydraulic cylinder is arranged above the movable plates, and a first plough rod is fixed below the second fixing frame, and the right side of first plow pole is provided with the second plow pole, the diaphragm is all installed in the outside of first plow pole and second plow pole, and the outside of diaphragm is fixed with the backup pad, the upper surface inside installation recess of diaphragm, and the centre of recess link up there is logical groove, the top of recess is connected with the gear, and the top of gear installs the motor, the outside meshing of gear has the tooth piece, and the inboard of tooth piece installs the fixed column, the below outside of fixed column is fixed with the spacing piece, and the outside of spacing piece installs the spacing groove, the bottom of fixed column is fixed with the scraper blade main part.

Preferably, the two-way joint is connected with the water pipe and the water pump by flanges, and the two-way joint is in an inverted L shape.

Preferably, the sprinkler bead and the raceway structure as an organic whole, and the sprinkler bead is the rectangle to the width of sprinkler bead is greater than the width of second mount, and the minimum point of sprinkler bead is higher than the minimum point of movable plate.

Preferably, the first fixing frame is U-shaped, and the first fixing frame and the machine shell main body are of an integral structure, and the first fixing frame is welded with the water delivery pipe, the material storage chamber and the supporting plate.

Preferably, the movable plate is I-shaped, the movable plate and the support plate form a sliding structure through the clamping groove, and the lowest point of the clamping groove is higher than the lowest point of the support plate.

Preferably, the first plough rods and the second plough rods are distributed in a staggered mode, and the first plough rods and the second plough rods are symmetrically distributed about the center line of the storage chamber.

Preferably, the groove and the through groove are arranged in a penetrating manner, and the lowest point of the through groove and the lowest point of the transverse plate are on the same horizontal plane.

Preferably, the limiting block is in a ring shape, the limiting block is connected with the limiting groove in a clamping manner, and the limiting groove is in a semi-arc shape.

Preferably, the scraper main body comprises a scraper and a ball, the scraper is fixed on the inner side of the scraper main body, the ball is mounted on the outer wall of the scraper main body, the outer surface of the ball is smooth, and the ball is connected with the scraper main body in a movable shaft.

Compared with the prior art, the invention has the beneficial effects that: the agricultural machinery plowing machine is convenient for removing soil outside the plow stick;

(1) the second plough rod is arranged at the rear side of the first plough rod, the second plough rod and the first plough rod are distributed in a staggered mode, and then fertilizer is sprayed after the first plough rod ploughs, then soil on the left side and the right side of the second plough rod slightly buries the soil of the first plough rod plough through ploughing of the second plough rod distributed in a staggered mode, so that the fertilizer is conveniently covered, the fertilizer is conveniently contacted with the soil, the fertilizer is prevented from being exposed above the soil for a long time to volatilize, and the fertilizer is conveniently used well;

(2) the fixed column is installed, the inside of the fixed column is hollow, so that the plough rod can conveniently penetrate through the inside of the fixed column, meanwhile, the fixed column can conveniently drive the annular scraping blade on the right side of the scraper main body at the bottom to rotate, meanwhile, the hydraulic rod drives the inside of the movable plate supporting plate to lift, so that the first plough rod and the second plough rod are driven to lift, and the scraping blade can conveniently remove soil adhered to the outer sides of the first plough rod and the second plough rod;

(3) the balls are fixed, so that the scraper body can rotate well with the inner wall of the through groove through the balls with smooth outer surfaces, friction is reduced, the scraper body can rotate well, meanwhile, soil can fall well through the rotation of the balls, and the soil is prevented from entering between the outer wall of the scraper body and the inner wall of the through groove;

(4) the water storage tank and the sprinkler head are installed, water is sprayed through the sprinkler head, so that dry land can be conveniently wetted, the land can be well ploughed, manual irrigation is avoided, workload is reduced, the water content of the soil is increased, and fertilizer in the soil can be conveniently and rapidly dissolved, so that the fertilizer can be well absorbed by the soil, and the fertilizer can be well used;

(5) be fixed with the tooth piece, it has the gear to distribute at the outside of fixed column equidistant, and then the sawtooth of being convenient for drives the tooth piece and rotates to make a plurality of fixed columns together rotate, simultaneously, the fixed column passes through spacing groove and the stable rotation of stopper, and the soil of adhesion is detached to a plurality of first plow poles and second plow pole simultaneously to a plurality of doctor-bars of being convenient for from this, thereby has reduced operating time, has improved work efficiency.

Drawings

FIG. 1 is a schematic view of a main section of a plow for agricultural machinery, which facilitates removal of soil outside a plow shaft according to the present invention;

FIG. 2 is a schematic view of the second fixed frame of the agricultural machinery plow for conveniently removing soil outside the plow stick of the present invention;

FIG. 3 is a schematic top view of a cross plate of a plow for agricultural machinery for facilitating removal of soil outside the plow shaft according to the present invention;

FIG. 4 is a schematic sectional view of the connection between the first plow standard and the fixed post of the agricultural machine plow for conveniently removing the soil outside the plow standard of the present invention;

FIG. 5 is a schematic top view of a supporting plate and a movable plate of a plow for agricultural machinery, which are connected to facilitate removal of soil outside a plow standard according to the present invention;

FIG. 6 is an enlarged view of the plow for agricultural machine of the present invention shown at A in FIG. 4 for facilitating the removal of soil outside the plow shaft.

In the figure: 1. a case main body; 2. fixing grooves; 3. a water storage tank; 4. a water pump; 5. a two-way joint; 6. a water delivery pipe; 7. a sprinkler head; 8. a first fixing frame; 9. a storage chamber; 10. a support plate; 11. moving the plate; 12. a second fixing frame; 13. a transverse plate; 14. a first plow rod; 15. a second plow rod; 16. a groove; 17. fixing a column; 18. a through groove; 19. a tooth block; 20. a gear; 21. a motor; 22. a limiting groove; 23. a limiting block; 24. a squeegee body; 2401. scraping a blade; 2402. a ball bearing; 25. a hydraulic cylinder; 26. a clamping groove.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a plowing machine for agricultural machinery convenient for removing soil outside a plough rod comprises a machine shell main body 1, a fixing groove 2, a water storage tank 3, a water pump 4, a two-way joint 5, a water delivery pipe 6, a water spraying head 7, a first fixing frame 8, a material storage chamber 9, a supporting plate 10, a moving plate 11, a second fixing frame 12, a transverse plate 13, a first plough rod 14, a second plough rod 15, a groove 16, a fixing column 17, a through groove 18, a tooth block 19, a gear 20, a motor 21, a limiting groove 22, a limiting block 23, a scraper main body 24, a scraper 2401, a ball 2, a hydraulic cylinder 25 and a clamping groove 26, wherein the fixing groove 2 is arranged inside the machine shell main body 1, the water storage tank 3 is fixed inside the fixing groove 2, the water storage tank 3 is arranged on the right side of the water storage tank 3, the water pump 4 is connected with the two-way joint 5 on the right side of the water pump 4, the water delivery pipe 6 is arranged below the two-way joint 5, the water spraying head 7 is fixed at the bottom of the water delivery pipe 6, a first fixing frame 8 is arranged on the outer side of the water conveying pipe 6, a supporting plate 10 is arranged on the right side of the water conveying pipe 6, a first fixing frame 8 is fixed on the outer side of the material storage chamber 9, a second fixing frame 12 is arranged below the material storage chamber 9, movable plates 11 are arranged on the left side and the right side of the second fixing frame 12, clamping grooves 26 are arranged on the outer side of the movable plates 11, the supporting plate 10 is fixed on the outer side of the clamping grooves 26, a hydraulic cylinder 25 is arranged above the movable plates 11, a first plough rod 14 is fixed below the second fixing frame 12, a second plough rod 15 is arranged on the right side of the first plough rod 14, transverse plates 13 are arranged on the outer sides of the first plough rod 14 and the second plough rod 15, the supporting plate 10 is fixed on the outer side of the transverse plates 13, a groove 16 is arranged inside the upper surface of the transverse plates 13, a through groove 18 is communicated with the middle of the groove 16, a gear 20 is connected above the groove 16, and a motor 21 is arranged above the gear 20, a tooth block 19 is meshed with the outer side of the gear 20, a fixing column 17 is mounted on the inner side of the tooth block 19, a limiting block 23 is fixed on the outer side below the fixing column 17, a limiting groove 22 is mounted on the outer side of the limiting block 23, and a scraper blade main body 24 is fixed at the bottom of the fixing column 17;

the two-way joint 5 is connected with the water pipe 6 and the water pump 4 in a flange manner, the two-way joint 5 is in an inverted L shape, and the water pipe 6 is prevented from being bent through the two-way joint 5, so that the water pipe 6 can be used well;

the sprinkler bead 7 and the water pipe 6 are of an integral structure, the sprinkler bead 7 is rectangular, the width of the sprinkler bead 7 is larger than that of the second fixing frame 12, the lowest point of the sprinkler bead 7 is higher than that of the movable plate 11, and the width of the sprinkler bead 7 is larger than that of the second fixing frame 12, so that the sprinkler bead 7 sprays water in the working area of the first plough rod 14, and the first plough rod 14 can work well;

the first fixing frame 8 is U-shaped, the first fixing frame 8 and the machine shell main body 1 are of an integral structure, the first fixing frame 8 is welded with the water conveying pipe 6, the material storage chamber 9 and the supporting plate 10, and the first plough rod 14 and the second plough rod 15 are conveniently supported through the first fixing frame 8;

the movable plate 11 is I-shaped, the movable plate 11 and the support plate 10 form a sliding structure through the clamping groove 26, the lowest point of the clamping groove 26 is higher than the lowest point of the support plate 10, and the first plough rod 14 and the second plough rod 15 are conveniently driven to lift through the lifting of the movable plate 11, so that the first plough rod 14 and the second plough rod 15 can be well used and soil can be removed;

the first plough rods 14 and the second plough rods 15 are distributed in a staggered manner, the first plough rods 14 and the second plough rods 15 are symmetrically distributed about the center line of the material storage chamber 9, and the first plough rods 14 and the second plough rods 15 are distributed in a staggered manner, so that the second plough rods 15 can well mix and cover soil and fertilizer, the soil can conveniently absorb the fertilizer, and meanwhile, the fertilizer is prevented from volatilizing;

the groove 16 and the through groove 18 are arranged in a through manner, the lowest point of the through groove 18 and the lowest point of the transverse plate 13 are on the same horizontal plane, and the groove 16 and the through groove 18 are arranged in a through manner, so that the fixing column 17 can rotate well;

the limiting block 23 is in a circular ring shape, the limiting block 23 is in clamping connection with the limiting groove 22, the limiting groove 22 is in a semi-arc shape, and the fixing column 17 can be conveniently rotated and fixed in the through groove 18 through the circular ring shape of the limiting block 23;

scraper blade main part 24 includes scraper 2401 and ball 2402, and scraper blade 2401 is fixed to the inboard of scraper blade main part 24, and ball 2402 is installed to the outer wall of scraper blade main part 24, and the surface of ball 2402 is smooth form, and the connected mode of ball 2402 and scraper blade main part 24 is the loose axle connection, the soil in the first plow standard 14 of fine detach and the second plow standard 15 outside through annular scraper blade 2401, through the rotation of ball 2402 and smooth surface, be convenient for scraper blade main part 24 is rotatory and stop soil, avoid soil to get into logical inslot 18.

The working principle of the embodiment is as follows: when the agricultural machinery plowing machine convenient for removing soil outside the plough rods is used, firstly, a water inlet above a water storage tank 3 in a fixed groove 2 in a machine shell main body 1 is opened, then outside water is poured into the water storage tank 3, after the pouring is finished, the water inlet is closed, meanwhile, fertilizer is poured into a storage chamber 9, then the whole device is moved into a working area through the machine shell main body 1, as shown in figure 5, a hydraulic cylinder 25 on the inner wall of a supporting plate 10 is connected with a mobile power supply, at the moment, the hydraulic cylinder 25 starts to work, the hydraulic cylinder 25 drives a moving plate 11 to move downwards in a clamping groove 26 on the inner wall of the supporting plate 10, as shown in figures 1 and 2, a second fixed frame 12, a first plough rod 14 and a second plough rod 15 are driven to descend together by descending of the moving plate 11, when the first plough rod 14 and the second plough rod 15 descend to proper positions, stopping the operation of the hydraulic cylinder 25;

as shown in the attached drawing 1, the first plough rod 14 and the second plough rod 15 are driven to move by the movement of the machine shell main body 1, so that the land is ploughed, when the land is dry, the water pump 4 is connected with a mobile power supply inside the machine shell main body 1, then the water pump 4 starts to work, the water pump 4 transmits water inside the water storage tank 3 to the water spraying head 7 through the water conveying pipe 6, the water spraying head 7 starts to spray water to the land, so that the land is wet, the later ploughing and fertilizer absorption are facilitated, the bending of the water conveying pipe 6 is avoided through the connection of the two-way connector 5, so that the water conveying pipe 6 works well, meanwhile, the discharge hole at the bottom of the material storage chamber 9 is opened, and at the same time, the fertilizer is scattered between the first plough rod 14 and the second plough rod 15;

at the moment, the first plough rod 14 can plough the ground well by spraying water through the water spraying head 7, the fertilizer is scattered through the material storage chamber 9, and then the soil is covered above the fertilizer by ploughing the ground again through the second plough rods 15 which are distributed in a staggered manner with the first plough rod 14, so that the soil is in good contact with the fertilizer, the fertilizer is prevented from being exposed in the air for a long time, the fertilizer can be well absorbed by the wet soil, and the fertilizer can be well used;

after the plowing operation is finished, as described above, in the same way, the hydraulic cylinder 25 is connected with the mobile power supply, at this time, the hydraulic cylinder 25 drives the moving plate 11 to ascend, so that the first plough rod 14 and the second plough rod 15 ascend together inside the transverse plate 13, at the same time, as shown in fig. 3, the motor 21 in the groove 16 inside the transverse plate 13 is connected with the mobile power supply, at this time, the motor 21 drives the gear 20 connected with the groove 16 as a bearing below to rotate, so that the gear block 19 connected with the outside in a meshed manner is driven to rotate by the rotation of the gear 20, thereby driving the plurality of fixed columns 17 to rotate in the through groove 18, as shown in fig. 4, during the rotation of the fixed columns 17, the annular limiting blocks 23 outside the fixed columns 17 rotate in the limiting grooves 22, thereby well supporting the fixed columns 17, so that the fixed columns 17 well rotate in the through grooves 18,

the fixed column 17 drives the scraper main body 24 with the integrated structure at the bottom to rotate while rotating, so that the scraper 2401 at the inner side of the scraper main body 24, which is in contact with the first plough rod 14 and the second plough rod 15, rotates, simultaneously, the first plough rod 14 and the second plough rod 15 are lifted through the hydraulic cylinder 25, further, the scraper 2401 well removes soil adhered to the outer sides of the first plough rod 14 and the second plough rod 15, while the scraper main body 24 rotates, the ball 2402 connected with the smooth movable shaft at the outer wall of the scraper main body 24 rotates with the inner wall of the through groove 18, not only is the friction between the scraper main body 24 and the through groove 18 reduced, and the scraper main body 24 is convenient to stably rotate, but also the ball 2402 rotates, simultaneously, soil is removed, the soil is prevented from entering the through groove 18 above the scraper main body 24, so that the scraper main body 24 can well work, which is the working process of the whole device, (the model of the water pump 4 is GD40-20, the model of the motor 21 is GH22-200-30S, and the model of the hydraulic cylinder 25 is HOB 80), thereby completing a series of work.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an agricultural machinery is with ploughing machine convenient to soil to the plow standard outside is got rid of, includes casing main part (1) and storage compartment (9), its characterized in that: the water pump is characterized in that a fixing groove (2) is arranged inside the casing main body (1), a water storage tank (3) is fixed inside the fixing groove (2), a water pump (4) is arranged on the right side of the water storage tank (3), a two-way joint (5) is connected to the right side of the water pump (4), a water delivery pipe (6) is arranged below the two-way joint (5), a water spray head (7) is fixed at the bottom of the water delivery pipe (6), a first fixing frame (8) is arranged on the outer side of the water delivery pipe (6), a supporting plate (10) is arranged on the right side of the water delivery pipe (6), a first fixing frame (8) is fixed on the outer side of the storage chamber (9), a second fixing frame (12) is arranged below the storage chamber (9), a movable plate (11) is arranged on the left side and the right side of the second fixing frame (12), and a clamping groove (26) is arranged on the outer side of the movable plate (11), a support plate (10) is fixed on the outer side of the clamping groove (26), a hydraulic cylinder (25) is installed above the moving plate (11), a first plough rod (14) is fixed below the second fixing frame (12), a second plough rod (15) is arranged on the right side of the first plough rod (14), transverse plates (13) are installed on the outer sides of the first plough rod (14) and the second plough rod (15), the support plate (10) is fixed on the outer side of the transverse plate (13), a groove (16) is installed in the inner portion of the upper surface of the transverse plate (13), a through groove (18) is communicated in the middle of the groove (16), a gear (20) is connected above the groove (16), a motor (21) is installed above the gear (20), a toothed block (19) is meshed with the outer side of the gear (20), a fixing column (17) is installed on the inner side of the toothed block (19), and a limiting block (23) is fixed on the outer side of the lower portion of the fixing column (17), and the outside of stopper (23) is installed spacing groove (22), the bottom of fixed column (17) is fixed with scraper blade main part (24).

2. An agricultural machine plow facilitating the removal of soil outside of a plow shaft as defined in claim 1, wherein: the two-way joint (5) is connected with the water pipe (6) and the water pump (4) in a flange mode, and the two-way joint (5) is in an inverted L shape.

3. An agricultural machine plow facilitating the removal of soil outside of a plow shaft as defined in claim 1, wherein: the water spraying head (7) and the water conveying pipe (6) are of an integral structure, the water spraying head (7) is rectangular, the width of the water spraying head (7) is larger than that of the second fixing frame (12), and the lowest point of the water spraying head (7) is higher than that of the moving plate (11).

4. An agricultural machine plow facilitating the removal of soil outside of a plow shaft as defined in claim 1, wherein: the first fixing frame (8) is U-shaped, the first fixing frame (8) and the machine shell main body (1) are of an integral structure, and the first fixing frame (8) is welded with the water conveying pipe (6), the material storage chamber (9) and the supporting plate (10).

5. An agricultural machine plow facilitating the removal of soil outside of a plow shaft as defined in claim 1, wherein: the movable plate (11) is I-shaped, the movable plate (11) and the support plate (10) form a sliding structure through the clamping groove (26), and the lowest point of the clamping groove (26) is higher than the lowest point of the support plate (10).

6. An agricultural machine plow facilitating the removal of soil outside of a plow shaft as defined in claim 1, wherein: the first plough rods (14) and the second plough rods (15) are distributed in a staggered mode, and the first plough rods (14) and the second plough rods (15) are symmetrically distributed relative to the center line of the storage chamber (9).

7. An agricultural machine plow facilitating the removal of soil outside of a plow shaft as defined in claim 1, wherein: the groove (16) and the through groove (18) are arranged in a penetrating mode, and the lowest point of the through groove (18) and the lowest point of the transverse plate (13) are on the same horizontal plane.

8. An agricultural machine plow facilitating the removal of soil outside of a plow shaft as defined in claim 1, wherein: the limiting block (23) is in a circular ring shape, the limiting block (23) is connected with the limiting groove (22) in a clamping mode, and the limiting groove (22) is in a semi-circular arc shape.

9. An agricultural machine plow facilitating the removal of soil outside of a plow shaft as defined in claim 1, wherein: the scraper main body (24) comprises a scraper (2401) and a ball (2402), the scraper (2401) is fixed on the inner side of the scraper main body (24), the ball (2402) is installed on the outer wall of the scraper main body (24), the outer surface of the ball (2402) is smooth, and the ball (2402) and the scraper main body (24) are connected in a movable shaft mode.