CN217101614U

CN217101614U - Rice seedbed silt machine

Info

Publication number: CN217101614U
Application number: CN202123237585.3U
Authority: CN
Inventors: 涂化平; 孙国昌
Original assignee: Xiangyang Xiangzhou Xinmeinong Mechanized Planting Professional Cooperative
Current assignee: Xiangyang Xiangzhou Xinmeinong Mechanized Planting Professional Cooperative
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-02
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a silt machinery technical field discloses a rice seedbed silt machine, the adjustment mechanism of the maximum height including frame, conveying mechanism and regulation conveying mechanism, conveying mechanism include the support, rotate set up in transport axle and power shaft, conveyer belt and conveying motor on the support, the epaxial coaxial conveying roller that is provided with of transport, the coaxial power roller that is provided with on the power shaft, the conveyer belt is around locating on conveying roller and the power roller, adjustment mechanism including set up in horizontal pole between the frame, around rolling up the subassembly and around the serving, the one end of around the serving with the middle part of support links to each other, the middle part by the horizontal pole process, the other end with link to each other around the rolling up subassembly. The utility model discloses set up adjustment mechanism, around rolling up the subassembly, around rolling up rope isotructure, thereby adjusted conveying mechanism's maximum height through adjusting around rolling up the rope to around the length of rolling up the subassembly, need not manual operation, it is easy and simple to handle.

Description

Rice seedbed silt machine

Technical Field

The utility model relates to a silt machinery technical field, in particular to rice seedbed silt machine.

Background

As the name suggests, the silt machine is mechanical equipment for crushing the soil. The rice seedling bed is a small land for raising seedlings, and the purchased soil needs to be crushed before raising the seedlings. The silt machine generally includes the frame, the feeder hopper, be located the crushing unit of feeder hopper bottom and with frame looks articulated conveyer belt, after smashing, the conveying of the earth after smashing through the conveyer belt, according to the high difference that reaches the position, often need to adjust the height of conveyer belt, generally realize through the angle of adjusting the conveyer belt, and the angle of current regulation conveyer belt mainly adjusts the length of both ends and frame and conveyer belt middle part looks articulated haulage pole and realizes, and the length of adjusting the haulage pole often needs the manual regulation of going, when the short unable satisfying need of haulage pole length, still need the manual work to cut off the welding after the haulage pole extension, it is very inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rice seedbed silt machine aims at solving the inconvenient problem of angle operation of adjusting the conveyer belt.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a rice seedbed soil pulverizing machine comprises a rack, a conveying mechanism and an adjusting mechanism for adjusting the maximum height of the conveying mechanism, wherein the conveying mechanism comprises a support, a conveying shaft, a power shaft, a conveying belt and a conveying motor, the conveying shaft and the power shaft are rotatably arranged on the support, the conveying shaft is coaxially provided with the conveying roller, the power shaft is coaxially provided with the power roller, the conveying belt is wound on the conveying roller and the power roller, the conveying motor is used for driving the power shaft to rotate, the adjusting mechanism comprises a cross rod, a winding assembly and a winding rope, the cross rod is arranged between the rack and located above the conveying belt, one end of the winding rope is connected with the middle of the support, the middle of the winding rope is passed by the cross rod, and the other end of the winding rope is connected with the winding assembly;

the winding assembly comprises a first state and a second state;

when the winding assembly is in a first state, the winding assembly is driven by the power shaft to rotate;

when the winding assembly is in the second state, the winding assembly is fixed in position.

Through the technical scheme, when the maximum height of the conveying mechanism needs to be adjusted, the driving motor can be started, the driving motor drives the power shaft to rotate, meanwhile, the winding assembly is in the first state and is driven to rotate by the power shaft, the winding rope (made of a material with high strength, such as a steel bar rope) is gradually wound on the winding assembly, along with winding of the winding rope, the angle of the support gradually rotates, the maximum height of the conveying belt gradually changes, when the target height is adjusted, the winding assembly can be in the second state, the winding assembly is in the second state, the position of the winding assembly is fixed, and the support is fixed at the corresponding angle. The conveying mechanism is provided with an adjusting mechanism, a winding assembly, a winding rope and other structures, the maximum height of the conveying mechanism is adjusted by adjusting the length from the winding rope to the winding assembly, manual operation is not needed, and the operation is simple and convenient; and the power used by the adjusting mechanism comes from the conveying motor of the conveying mechanism, so that an additional power source is not needed, and the energy is saved.

It should be understood that other mechanisms of the pulverizer, such as a pulverizing structure for pulverizing the soil material, are common prior art and will not be described in any greater detail herein.

The utility model discloses a further set up to: the winding assembly comprises a winding drum, a plurality of winding convex strips uniformly arranged on the power shaft, a fixed drum arranged at the side part of the frame, a plurality of fixed convex strips uniformly arranged on the outer wall of the fixed drum and a plurality of winding grooves arranged on the inner wall of the winding drum, the winding grooves can be movably matched with the winding convex strips or the fixed convex strips, one end of the fixed drum, far away from the power roller, is provided with a set interval with the winding convex strips, the distance between one end of the fixed drum, far away from the power roller, and the fixed convex strips is larger than the length of the winding drum, two ends of the outer wall of the winding drum are provided with annular limiting rings, one end of the winding rope is connected with the outer wall of the winding drum, when the winding grooves are meshed with the winding convex strips, the winding assembly is in a first state, and when the winding grooves are meshed with the fixed convex strips, the winding assembly is in the second state, and the winding device further comprises a control assembly for controlling the position of the winding drum to enable the winding assembly to be in the first state or the second state.

Through the technical scheme, the control assembly is used for controlling the position of the winding drum, when the position of the winding drum is moved to the winding groove to be meshed with the winding convex strip, the power shaft can drive the winding drum to rotate, so that the winding rope is wound to the outer wall of the winding drum gradually along with the rotation of the winding drum, and the angle of the support is gradually changed to adjust the maximum height of the conveying mechanism; when the position of the winding drum is moved to the winding groove to be meshed with the fixing convex strip, the position of the winding drum is fixed due to the fixed position of the fixing drum, so that the angle of the support is fixed, and the position of the conveying mechanism is fixed; the limiting ring can limit the area of the winding rope wound to the winding drum, and prevent the winding rope from being wound outside the winding drum; at the removal around the reel time, can use the bed frame to support the conveyer belt, because the tip of a fixed section of thick bamboo is less with the interval around rolling up between the sand grip, can will move the smooth part to a fixed section of thick bamboo smoothly around the reel, later will move to fixed sand grip department again around the reel, make around rolling up recess and fixed sand grip and mutually support, later can take off the bed frame. Wherein, set up around the book subassembly around the reel, around rolling up the recess, around rolling up the structure such as sand grip, fixed sand grip, realized making around the function that the subassembly is in first state or second state.

The utility model discloses a further set up to: the adjusting mechanism is provided with two winding drums, the two winding drums are respectively arranged at a distance from two ends of the power shaft, one ends of the two winding ropes are respectively connected with the supports positioned on two sides of the conveying belt, and the other ends of the two winding ropes are connected with the outer walls of the two winding drums.

Through foretell technical scheme, two adjustment mechanism can provide more sufficient traction force, make every tensile force that receives of serving simultaneously littleer, make this structure more durable.

The utility model discloses a further set up to: the control assembly comprises a control lead screw and two control sliders, wherein the control lead screw is rotatably arranged on the rack and positioned below the power shaft, the control lead screw is in threaded connection with the two control sliders, the control assembly further comprises a connecting ring which is rotatably connected with the winding drum, and a connecting rod is arranged between the two control sliders and the connecting ring.

Through foretell technical scheme, the rotation control lead screw, then along with the rotation of control lead screw, two control slider correspond and are close to each other or keep away from, and the linkage through the connecting rod makes two go-between be close to each other or keep away from, makes two close to each other or keep away from around the reel, along with being close to each other or keeping away from around the reel, makes around the book subassembly be in first state or second state.

The utility model discloses a further set up to: the control lead screw is worn out the one end of frame is provided with turning handle, turning handle include with the control lead screw be perpendicular mutually and with the first pole that the control lead screw links to each other, set up in the first pole is kept away from the first fixed orifices of the one end of power shaft and is passed the second pole of first fixed orifices, two second fixed orifices have been seted up respectively to the both sides of frame, the second pole is mobile to be inserted arbitrary the second fixed orifices.

Through the technical scheme, the control screw rod is rotated, when the winding assembly is in the first state or the second state, the corresponding second rods are respectively aligned with the second fixing holes, the second rods are inserted into the aligned second fixing holes, the position of the screw rod is controlled to be fixed, the position of the winding drum is fixed, and the winding assembly is stably in the first state or the second state.

The utility model discloses a further set up to: the two ends of the power shaft are in threaded connection with limit nuts, the limit nuts and the winding convex strips are provided with limit gaskets, and the two sides of the limit gaskets can be in contact with the winding drum and the limit nuts.

Through foretell technical scheme, limit nut can be injectd the at utmost that removes around the reel, prevents to break away from and lose around rolling up the function around reel and driving shaft, and limit gasket can reduce limit nut and the wearing and tearing that cause around the friction between the reel.

The utility model discloses a further set up to: still including set up in safe operation panel and feeder hopper in the frame, safe operation panel is located one side of feeder hopper.

Through foretell technical scheme, because the soil of purchasing is wet and dry not different, the often stickness of the soil that humidity is big, consequently adhere easily and cause the jam on feeder hopper and the crushing unit of silt machine, influence going on smoothly of silt work, consequently in the in-service use, often need the manual work to its clearance, and because the feeder hopper has certain height, consequently the people often can only clear up the feeder hopper lower extreme on standing on the level land, and because the frame at this place blocks and crushing unit's high-speed operation, difficult clearance on the one hand, on the one hand is comparatively dangerous, safe operation platform has been set up, the clearance personnel can stand at safe operation platform, use tools from the opening end at feed inlet top downwards to having the wet soil department to clear up in the feeder hopper, the security is higher, and because there is not blockking of frame, it clears up more easily.

The utility model discloses a further set up to: the safety operation platform comprises a flat plate, a guardrail arranged at the top of the flat plate and a hand-pulling ladder arranged at the side part of the flat plate.

Through the technical scheme, the guardrail limits the moving area of cleaning personnel standing on the safety operation platform, so that the safety is further improved; the hand-pulling ladder is convenient for cleaning personnel to go up to the safety operation platform or go down to the flat ground from the safety operation platform.

Compared with the prior art, the invention has the beneficial effects that:

1. the conveying mechanism is provided with the adjusting mechanism, the winding assembly, the winding rope and other structures, the maximum height of the conveying mechanism is adjusted by adjusting the length from the winding rope to the winding assembly, manual operation is not needed, and the operation is simple and convenient; the power used by the adjusting mechanism comes from a conveying motor of the conveying mechanism, and no additional power source is needed, so that energy is saved;

2. the control assembly and the rotating handle are arranged, when the maximum height of the conveying mechanism is adjusted, the position of the adjusting mechanism is moved through the rotating handle, so that the position of the conveying mechanism after the height is adjusted is fixed, and the operation is very simple and convenient;

3. the safety operation platform, the guardrail and the hand-pulling ladder are arranged, cleaning personnel can stand on the safety operation platform, tools are used for cleaning wet soil adhered into the feed hopper from the opening end at the top of the feed inlet downwards, the safety is higher, the cleaning is easier due to the fact that no frame is arranged on the machine frame, the guardrail can further improve the safety, and the hand-pulling ladder is convenient for the cleaning personnel to go up to the safety operation platform or go down to the flat ground from the safety operation platform.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

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

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a second schematic structural view of the present invention;

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is an enlarged view at B in fig. 4.

In the figure, 1, a frame; 2. a conveying mechanism; 2a, a bracket; 2b, a conveying shaft; 2c, a power shaft; 2d, a conveying belt; 3. an adjustment mechanism; 3a, a cross bar; 3b, a winding assembly; 3b1, wound roll; 3b2, winding convex strip; 3b3, fixed cylinder; 3b4, fixing convex strips; 3b5, winding groove; 3c, winding the rope; 4. a conveying roller; 5. a power roller; 6. a limiting ring; 7. a control component; 7a, a control screw rod; 7b, controlling the sliding block; 8. a connecting ring; 9. a connecting rod; 10. rotating the handle; 10a, a first rod; 10b, a first fixing hole; 10c, a second rod; 11. a second fixing hole; 12. a limit nut; 13. a limiting gasket; 14. a safety console; 14a, a flat plate; 14b, a guardrail; 14c, a hand-pull ladder; 15. a feed hopper.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The utility model provides a rice seedbed silt machine, as shown in fig. 1 to 5, comprising a frame 1, a conveying mechanism 2 and an adjusting mechanism 3 for adjusting the maximum height of the conveying mechanism 2, wherein the conveying mechanism 2 comprises a support 2a, a conveying shaft 2b and a power shaft 2c which are rotatably arranged on the support 2a, a conveying belt 2d and a conveying motor (not numbered in the figure), the conveying shaft 2b is coaxially provided with a conveying roller 4, the power shaft 2c is coaxially provided with a power roller 5, the conveying belt 2d is wound on the conveying roller 4 and the power roller 5, the conveying motor is used for driving the power shaft 2c to rotate, the adjusting mechanism 3 comprises a cross bar 3a, a winding component 3b and a winding rope 3c which are arranged between the frame 1, the cross bar 3a is arranged above the conveying belt 2d, one end of the winding rope 3c is connected with the middle part of the bracket 2a, the middle part is passed by the cross rod 3a, and the other end is connected with the winding component 3 b;

the winding assembly 3b comprises a first state and a second state;

when the winding assembly 3b is in a first state, the winding assembly 3b is driven to rotate by the power shaft 2 c;

when the winding assembly 3b is in the second state, the winding assembly 3b is fixed in position.

The adjusting process comprises the following steps: when the maximum height of the conveying mechanism 2 needs to be adjusted, the driving motor can be started, the driving motor drives the power shaft 2c to rotate, meanwhile, the winding assembly 3b is in the first state, the winding assembly 3b is driven by the power shaft 2c to rotate, the winding rope 3c (made of a material with high strength, such as a steel bar rope, and only schematically shown in the figure) is gradually wound on the winding assembly 3b, the angle of the support 2a gradually rotates along with the winding of the winding rope 3c, the maximum height of the conveying belt 2d gradually changes, when the target height is adjusted, the winding assembly 3b can be in the second state, the winding assembly 3b is in the second state, the position of the winding assembly is fixed, and the support 2a is fixed at the corresponding angle. The automatic height adjusting device is provided with an adjusting mechanism 3, a winding assembly 3b, a winding rope 3c and other structures, the maximum height of the conveying mechanism 2 is adjusted by adjusting the length of the winding rope 3c wound to the winding assembly 3b, manual operation is not needed, and the automatic height adjusting device is simple and convenient to operate; and the power used by the adjusting mechanism 3 comes from the conveying motor of the conveying mechanism 2, so that an additional power source is not needed, and the energy is saved.

Referring to fig. 4, the winding assembly 3b includes a winding drum 3b1, a plurality of winding convex strips 3b2 uniformly disposed on the power shaft 2c, a fixed drum 3b3 disposed at a side portion of the rack 1, a plurality of fixing convex strips 3b4 uniformly disposed on an outer wall of the fixed drum 3b3, and a plurality of winding grooves 3b5 opened on an inner wall of the winding drum 3b1, the winding grooves 3b5 may be movably engaged with the winding convex strips 3b2 or the fixing convex strips 3b4, one end of the fixed drum 3b3 far from the power roller 5 has a set interval with the winding convex strips 3b2, a distance between one end of the fixed drum 3b3 far from the power roller 5 and the fixing convex strips 3b4 is greater than a length of the winding drum 3b1, two ends of the outer wall of the winding drum 3b1 are provided with annular limiting rings 6, one end of the winding rope 3c is connected with an outer wall of the winding drum 3b1, the winding unit 3b is in the first state when the winding groove 3b5 is engaged with the winding rib 3b2, and the winding unit 3b is in the second state when the winding groove 3b5 is engaged with the fixing rib 3b4, and further includes a control unit 7 for controlling the position of the winding drum 3b1 to make the winding unit 3b in the first state or the second state.

The operation process is as follows: the control component 7 is used for controlling the position of the winding drum 3b1, when the position of the winding drum 3b1 is moved to the winding groove 3b5 to be engaged with the winding convex strip 3b2, the power shaft 2c can drive the winding drum 3b1 to rotate, so that the winding rope 3c is gradually wound to the outer wall of the winding drum 3b1 along with the rotation of the winding drum 3b1, and the angle of the bracket 2a is gradually changed, so that the maximum height of the conveying mechanism 2 is adjusted; when the position of the winding drum 3b1 is moved to the winding groove 3b5 to be engaged with the fixing convex strip 3b4, the position of the winding drum 3b1 is fixed due to the fixed position of the fixing drum 3b3, so that the angle of the bracket 2a is fixed and the position of the conveying mechanism 2 is fixed; the stopper ring 6 can limit the area of the winding rope 3c wound around the winding drum 3b1, and prevent the winding rope 3c from being wound outside the winding drum 3b 1; the conveyer belt 2d can be supported by the cradle during the movement of the winding drum 3b1, and since the interval between the end of the fixed drum 3b3 and the winding ridge 3b2 is small, the winding drum 3b1 can be smoothly moved to the smooth portion of the fixed drum 3b3, and then the winding drum 3b1 is moved to the fixed ridge 3b4 again, so that the winding groove 3b5 and the fixed ridge 3b4 are engaged with each other, and then the cradle can be removed. The winding unit 3b is provided with a winding drum 3b1, a winding groove 3b5, a winding ridge 3b2, a fixing ridge 3b4, and the like, and functions to put the winding unit 3b in the first state or the second state.

Adjusting mechanism 3 is provided with two, two around reel 3b1 respectively with the both ends of power shaft 2c have the distance of setting up, two the one end of coiling rope 3c respectively with be located the support 2a of conveyer belt 2d both sides links to each other, the other end with two the outer wall of winding reel 3b1 links to each other, and two adjusting mechanism 3 can provide more sufficient traction force, make every coiling rope 3c pulling force that receives less simultaneously, make this structure more durable.

Referring to fig. 2, the control assembly 7 includes a control screw 7a and two control sliders 7b rotatably disposed on the frame 1 and located below the power shaft 2c, the control screw 7a is in threaded connection with the two control sliders 7b, the control assembly further includes a connection ring 8 rotatably connected to the winding drum 3b1, a connection rod 9 is disposed between the two control sliders 7a and the connection ring 8, the two control sliders 7b are correspondingly close to or away from each other along with the rotation of the control screw 7a when the control screw 7a is rotated, the two connection rings 8 are close to or away from each other through the linkage of the connection rod 9, the two winding drums 3b1 are close to or away from each other, and the winding drum 3b1 is close to or away from each other, so that the winding assembly 3b is in the first state or the second state.

Referring to fig. 2, a rotating handle 10 is disposed at one end of the control screw rod 7a penetrating through the rack 1, the rotating handle 10 includes a first rod 10a perpendicular to the control screw rod 7a and connected to the control screw rod 7a, a first fixing hole 10b opened at one end of the first rod 10a far away from the power shaft 2c, and a second rod 10c penetrating through the first fixing hole 10b, two second fixing holes 11 are respectively opened at two sides of the rack 1, the second rod 10c is movably inserted into any one of the second fixing holes 11, the control screw rod 7a is rotated to fix the position of the winding drum 3b1 by aligning the second rod 10c with the second fixing hole 11 respectively when the winding assembly 3b is in the first state or the second state and inserting the second rod 10c into the aligned second fixing hole 11, the winding assembly 3b is stabilized in the first state or the second state.

Referring to fig. 4, the two ends of the power shaft 2c are connected with the limit nuts 12 through threads, a limit gasket 13 is arranged between the limit nut 12 and the winding convex strip 3b2, two sides of the limit gasket 13 can be in contact with the winding drum 3b1 and the limit nut 12, the limit nut 12 can limit the maximum moving degree of the winding drum 3b1, the winding drum 3b1 is prevented from being separated from the power shaft 2c to lose the winding function, and the limit gasket 13 can reduce the abrasion caused by the friction between the limit nut 12 and the winding drum 3b 1.

Referring to fig. 1, 3 or 4, the soil conditioner further comprises a safety console 14 and a feeding hopper 15 which are arranged on the frame 1, the safety console 14 is arranged on one side of the feeding hopper 15, the purchased soil is different in dryness and humidity, and the soil with high humidity is often sticky and easy to adhere to the feeding hopper 15 and the crushing assembly of the pulverizer to cause blockage, which affects smooth operation of the pulverized soil, so in practical use, the soil conditioner is often cleaned manually, and because the feeding hopper 15 has a certain height, a person can only clean the lower end of the feeding hopper 15 when standing on a flat ground, and because the frame 1 at the position blocks and the crushing assembly runs at high speed, the soil conditioner is not easy to clean on one hand, and is dangerous on the other hand, the safety console 14 is arranged, the cleaning person can stand on the safety console 14, and a tool can be used for cleaning wet soil adhered in the feeding hopper 15 from the open end at the top of the feeding inlet downwards, the safety is higher, and because do not have the hindrance of frame 1, it is easier to clear up.

Referring to fig. 1, 3 or 4, the safety console 14 comprises a flat plate 14a, a guardrail 14b arranged at the top of the flat plate 14a and a hand-pulling ladder 14c arranged at the side of the flat plate 14a, wherein the guardrail 14b limits the moving area of cleaning personnel standing at the safety console 14, and further improves the safety; the hand ladders 14c facilitate cleaning personnel up to the safety console 14 or down from the safety console 14 to the flat ground.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. The utility model provides a rice seedbed silt machine which characterized in that: the device comprises a rack (1), a conveying mechanism (2) and an adjusting mechanism (3) for adjusting the maximum height of the conveying mechanism (2), wherein the conveying mechanism (2) comprises a support (2a), a conveying shaft (2b) and a power shaft (2c) which are rotatably arranged on the support (2a), a conveying belt (2d) and a conveying motor, the conveying shaft (2b) is coaxially provided with a conveying roller (4), the power shaft (2c) is coaxially provided with a power roller (5), the conveying belt (2d) is wound on the conveying roller (4) and the power roller (5), the conveying motor is used for driving the power shaft (2c) to rotate, the adjusting mechanism (3) comprises a cross rod (3a), a winding component (3b) and a winding rope (3c) which are arranged between the rack (1), the cross rod (3a) is positioned above the conveying belt (2d), one end of the winding rope (3c) is connected with the middle part of the bracket (2a), the middle part of the winding rope is passed by the cross rod (3a), and the other end of the winding rope is connected with the winding component (3 b);

the winding assembly (3b) comprises a first state and a second state;

when the winding assembly (3b) is in a first state, the winding assembly (3b) is driven to rotate by the power shaft (2 c);

when the winding assembly (3b) is in the second state, the winding assembly (3b) is fixed in position.

2. The rice seedbed silt machine of claim 1, characterized in that: the winding assembly (3b) comprises a winding drum (3b1), a plurality of winding convex strips (3b2) uniformly arranged on the power shaft (2c), a fixed drum (3b3) arranged at the side part of the rack (1), a plurality of fixed convex strips (3b4) uniformly arranged on the outer wall of the fixed drum (3b3) and a plurality of winding grooves (3b5) arranged on the inner wall of the winding drum (3b1), the winding grooves (3b5) can be movably matched with the winding convex strips (3b2) or the fixed convex strips (3b4), one end of the fixed drum (3b3) far away from the power roller (5) has a set interval with the winding convex strips (3b2), the distance between one end of the fixed drum (3b3) far away from the power roller (5) and the fixed convex strips (3b4) is greater than the length of the winding drum (3b1), the utility model discloses a take-up reel (3b) is characterized in that the both ends of taking up reel (3b1) outer wall are provided with annular spacing ring (6), the one end of taking up rope (3c) with take up reel (3b1) outer wall links to each other, when taking up winding recess (3b5) with take up the convex strip (3b2) and mesh mutually, take up subassembly (3b) and be in the first state, when taking up winding recess (3b5) with fixed convex strip (3b4) meshes mutually, take up subassembly (3b) and be in the second state, still include control take up reel (3b1) position and make and take up subassembly (3b) and be in the control assembly (7) of first state or second state.

3. The rice seedbed silt machine of claim 2, characterized in that: the adjusting mechanism (3) is provided with two, two wind reel (3b1) respectively with the both ends of power shaft (2c) have the distance that sets up, two the one end of wind serving rope (3c) respectively with be located support (2a) of conveyer belt (2d) both sides link to each other, the other end with two the outer wall of wind reel (3b1) links to each other.

4. The rice seedbed silt machine of claim 3, characterized in that: the control assembly (7) comprises a control screw rod (7a) and two control sliders (7b) which are rotatably arranged on the rack (1) and located below the power shaft (2c), the control screw rod (7a) is in threaded connection with the two control sliders (7b), the control assembly further comprises a connecting ring (8) which is rotatably connected with the winding drum (3b1), and the two control sliders (7b) are connected with the connecting ring (8) through connecting rods (9).

5. The rice seedbed silt machine of claim 4, characterized in that: the control screw rod (7a) is threaded out one end of the rack (1) is provided with a rotating handle (10), the rotating handle (10) comprises a first rod (10a) which is perpendicular to the control screw rod (7a) and connected with the control screw rod (7a), a second rod (10c) which is arranged on the first rod (10a) and is far away from one end of the power shaft (2c) and penetrates through a first fixing hole (10b), two second fixing holes (11) are respectively formed in two sides of the rack (1), and the second rod (10c) can be movably inserted into any one of the second fixing holes (11).

6. The rice seedling bed silt machine as set forth in claim 2, wherein: both ends threaded connection of power shaft (2c) has stop nut (12), stop nut (12) with there is stop washer (13) around rolling up between sand grip (3b2), the both sides of stop washer (13) can with around reel (3b1) with stop nut (12) contact.

7. The rice seedling bed silt machine as set forth in any one of claims 1 to 6, wherein: still including set up in safety operation platform (14) and feeder hopper (15) on frame (1), safety operation platform (14) are located one side of feeder hopper (15).

8. The rice seedbed silt machine of claim 7, characterized in that: the safety operating platform (14) comprises a flat plate (14a), a guardrail (15b) arranged at the top of the flat plate (14a) and a hand-pulling ladder (14c) arranged at the side part of the flat plate (14 a).