Irrigation pump capable of adding chemicals

Abstract

The invention relates to the technical field of irrigation equipment, in particular to a dosing irrigation pump which comprises a base, a pump shell is arranged above the base, a water suction pipe is arranged at the water inlet position of the pump shell, a water drainage pipe is arranged at the water drainage position of the pump shell, and a medicine adding component used for adding medicine liquid into water is arranged on the water drainage pipe. An impeller is arranged in the pump shell in a matched mode, a center column is arranged in the center of the impeller, and the center column is connected with a driving assembly used for driving the center column to rotate. The water supply device is designed according to existing requirements, water supply can be achieved, meanwhile, water flow power can be used for automatically adding chemicals, the chemical adding speed is automatically matched with the water flow speed, chemical adding is completed, an additional power source does not need to be configured, the chemical adding amount can be adjusted according to requirements, and the water supply device is convenient to use and high in practicability. Meanwhile, the chemical feeding mode is simple, residues are not prone to being caused, and blocking to water flow is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of irrigation equipment, in particular to an irrigation pump capable of adding medicine. Background Art

[0002] The deployment of smart agriculture requires various supporting production tools, among which irrigation pumps are important mechanical equipment in agricultural production. Irrigation pumps are machines for conveying liquids or pressurizing liquids. The most common driving method for water pumps is to use electric motors. The existing patent announcement number CN220452336U discloses an improved farmland irrigation pump. The water pump here can only provide water treatment and cannot add liquid medicine to the water to assist planting. At the same time, it is not easy to adjust the amount of addition during the process of dispensing medicine into the water.

[0003] The patent with patent announcement number CN117605642B discloses a smart agricultural irrigation pump. Although medicine can be added here, the valve core structure set here will seriously affect the water flow, and the threaded conveying structure here is not easy to maintain sealing, resulting in serious residue of medicine inside the equipment, affecting the life of the equipment. Summary of the invention

[0004] The purpose of the present invention is to provide an irrigation pump capable of adding medicine, which solves the problems of easy blockage by sundries and inconvenience in adding medicine in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions: A dosable irrigation pump comprises a base, a pump housing is arranged above the base, a water inlet position of the pump housing is provided with a water suction pipe, a water discharge position of the pump housing is provided with a drainage pipe, a dosing component for adding liquid medicine to water is arranged on the drainage pipe, an impeller is arranged inside the pump housing, a central column is arranged at the center of the impeller, and the central column is connected to a driving assembly for driving the impeller to rotate; The medicine adding component comprises a medicine adding base connected to the upper side of the drain pipe, a vertical channel connected to the inside of the drain pipe is provided inside the medicine adding base, a medicine cavity is provided in the vertical channel, and an adjusting component for adjusting the amount of medicine is provided in the medicine cavity, and an upper port of the medicine adding base is connected to a feeding hopper, and the feeding hopper is used to store medicine; The adjustment component includes a transmission box arranged in the medicine cavity, a plurality of medicine-dosing notches are distributed in an array on the outer side of the transmission box, the transmission box is communicated with the adjustment inner cavity at the center of the medicine-dosing roller, an adjustment slider is slidably arranged inside the medicine-dosing notch, a reset guide rod is fixedly arranged at the inner end of the adjustment slider, a reset guide sleeve is slidably arranged on the reset guide rod, the outer side of the reset guide sleeve is connected and fixed to the inner wall of the medicine-dosing notch, the adjustment slider and the reset guide sleeve are connected by a reset spring, an adjustment pusher for driving the adjustment slider to move up and down is arranged on the medicine-dosing base, and the medicine-dosing roller is connected to a water flow transmission member for driving it to rotate.

[0006] On the basis of the above technical solution, the present invention also provides the following optional technical solution: In an optional solution: the driving assembly includes a first pulley, the first pulley is connected and fixed to the end of the center column, the first pulley is connected to the second pulley through a first belt, the second pulley is arranged at the output end of the driving motor, the driving motor is connected and fixed to the base through a motor frame, the second pulley is driven to rotate by the driving motor, and the second pulley drives the first pulley to rotate through the first belt, thereby providing power for the impeller to rotate.

[0007] In an optional solution, the water suction pipe or the outer side of the pump housing is connected and fixed to the base through a support frame.

[0008] The cam is secured to the upper and lower ends of the cams and is secured to the upper and lower ends of the cams and is adapted to move along the axis of the adjusting screw when the adjusting screw is in motion.

[0009] In an optional solution: a steel ball is rotatably provided at the end of the reset guide rod, and rolling friction occurs between the steel ball and the conical surface of the adjusting conical block.

[0010] In an optional scheme: the water flow transmission component includes an impeller shaft coaxially arranged with the drain pipe, a positioning bearing block is rotatably provided on the outer side of the impeller shaft, the positioning bearing block is connected and fixed to the inner wall of the drain pipe through a positioning rod, a driven impeller is provided at one end of the impeller shaft, a first adjusting pulley is provided at the other end of the impeller shaft, a transmission box is provided on the outer side of the drain pipe, the transmission box and the drain pipe are connected through a transmission notch, an adjusting transmission rod is rotatably provided on the side of the transmission box, the end of the adjusting transmission rod extends to the inside of the dosing base and is connected and fixed to the center of the dosing roller, a second adjusting pulley is fixedly provided at the other end of the adjusting transmission rod, and the second adjusting pulley is connected to the first adjusting pulley through an adjusting belt transmission.

[0011] In an optional solution: a mixing unit for stirring the medicinal materials is provided on the feeding hopper, and the mixing unit includes a stirring shaft rotatably arranged on the top of the feeding hopper, and the upper end of the stirring shaft is connected to a transmission member for driving the stirring shaft to rotate, and a plurality of scraper racks are distributed on the outside of the stirring shaft, and the scraper racks are matched with the inner wall of the feeding hopper, and a plurality of mixing rods are also provided on the outside of the stirring shaft.

[0012] In an optional scheme: the transmission part includes a first stirring gear arranged at the upper end of the stirring shaft, a transmission connecting rod is provided on the feeding hopper on one side of the first stirring gear through a bearing frame group, a second stirring gear is provided at the end of the transmission connecting rod, the second stirring gear is meshed with the first stirring gear, a first stirring pulley is fixedly provided at the outer end of the second stirring gear, the center of the second adjusting pulley is connected and fixed to an auxiliary transmission shaft, the auxiliary transmission shaft rotates through a transmission box and is connected to the second stirring pulley, and the second stirring pulley is connected to the first stirring pulley through a stirring belt transmission.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention is designed according to existing needs. It can not only realize automatic medicine addition while delivering water, but also utilize water flow power. The speed of medicine addition is automatically matched with the speed of water flow to complete the medicine addition without configuring an additional power source. The amount of medicine added can be adjusted according to needs, and the medicine addition can also be cut off. At the same time, the medicine addition method of the present invention is simple, not easy to cause residue, and reduces the obstruction to the water flow. In addition, the stored medicine material can be stirred to avoid the problem of agglomeration, ensuring that the medicine material can fall smoothly, making the medicine discharge smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of one side of the present invention.

[0015] Figure 2 It is a structural schematic diagram of another side of the present invention.

[0016] Figure 3It is a schematic diagram of the bottom structure of the present invention.

[0017] Figure 4 It is a schematic diagram of the internal structure of the present invention.

[0018] Figure 5 It is a schematic diagram of the structure of the dosing component of the present invention.

[0019] Figure 6 It is a schematic diagram of the structure of one side of the filter cone of the present invention.

[0020] Figure 7 It is a schematic diagram of the structure of the other side of the filter cone of the present invention.

[0021] Figure 8 It is a schematic diagram of the structure of the adjusting slider of the present invention.

[0022] Fig. 9 It is a schematic diagram of the optimized structure of the present invention.

[0023] Fig.10 It is a schematic diagram of the internal structure of the charging hopper of the present invention.

[0024] Notes on reference numerals: pump housing 100, drain pipe 101, suction pipe 102, first pulley 103, first belt 104, second pulley 105, motor frame 106, drive motor 107, base 108, bearing frame 109, transmission rod 110, impeller 111, center column 112, support frame 113; Dosing component 200, feeding hopper 201, dosing notch 202, adjusting slider 203, resetting guide rod 204, resetting guide sleeve 205, adjusting conical block 206, positioning seat 207, fine-tuning slide rod 208, adjusting disk 209, screw rotating seat 210, adjusting inner cavity 211, driven impeller 212, impeller shaft 213, positioning bearing block 214, adjusting belt 215, first adjusting pulley 216, transmission notch 218, adjusting transmission rod 219, second adjusting pulley 221, transmission box 222, dosing roller 223, dosing base 224; The first stirring gear 301 , the second stirring gear 302 , the transmission connecting rod 303 , the bearing frame assembly 304 , the first stirring pulley 305 , the stirring belt 306 , the second stirring pulley 307 , the auxiliary transmission shaft 308 , the stirring shaft 309 , the scraper frame 310 , and the mixing rod 311 . DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1-Figure 10 As shown, the embodiment of the present invention provides an irrigation pump capable of adding medicine, including a base 108, a pump housing 100 is provided above the base 108, a water suction pipe 102 is provided at the water inlet position of the pump housing 100, a drainage pipe 101 is provided at the drainage position of the pump housing 100, a medicine adding component for adding liquid medicine to water is provided on the drainage pipe 101, an impeller 111 is provided inside the pump housing 100, a center column 112 is provided at the center position of the impeller 111, and the center column 112 is connected to a driving component for driving the rotation thereof; The driving assembly includes a first pulley 103, which is connected and fixed to the end of the center column 112, and the first pulley 103 is connected to the second pulley 105 through the first belt 104, and the second pulley 105 is arranged at the output end of the driving motor 107, and the driving motor 107 is connected and fixed to the base 108 through the motor frame 106, and the second pulley 105 is driven to rotate by the driving motor 107, and the second pulley 105 drives the first pulley 103 to rotate through the first belt 104, thereby providing power for the impeller 111 to rotate; The water suction pipe 102 or the outer side of the pump housing 100 is connected and fixed to the base 108 via a support frame 113; The medicine adding component includes a medicine adding base 224 connected to the upper side of the drain pipe 101, a vertical channel connected to the inside of the drain pipe 101 is provided inside the medicine adding base 224, a medicine cavity is provided in the vertical channel, and an adjusting component for adjusting the amount of medicine is provided in the medicine cavity. The upper port of the medicine adding base 224 is connected to the feeding hopper 201, and the feeding hopper 201 is used to store medicine. When the water flows out along the water suction pipe 102, the speed of drug administration can be adjusted by the adjusting component to meet different irrigation needs; The adjusting component comprises a transmission box 222 arranged in the medicine cavity, a plurality of medicine-adding notches 202 are arranged in an array on the outer side of the transmission box 222, the transmission box 222 is communicated with the adjusting inner cavity 211 at the center of the medicine-adding roller 223, an adjusting slider 203 is slidably arranged inside the medicine-adding notch 202, a reset guide rod 204 is fixedly arranged at the inner end of the adjusting slider 203, a reset guide sleeve 205 is slidably arranged on the reset guide rod 204, the outer side of the reset guide sleeve 205 is connected and fixed to the inner wall of the medicine-adding notch 202, the adjusting slider 203 and the reset guide sleeve 205 are connected by a reset spring, and an adjusting spring for driving the adjusting slider 203 to move up and down is arranged on the medicine-adding base 224. The adjusting pusher, under the action of the adjusting pusher, the end of the reset guide rod 204 generates a thrust, so that the reset guide rod 204 and the adjusting slider 203 at the end of the reset guide rod 204 slide along the inner wall of the dosing gap 202, so that the filling depth of the end of the dosing gap 202 changes, so that the amount of medicine added each time changes, the dosing roller 223 is connected to the water flow transmission member used to drive it to rotate, and under the drive of the water flow transmission member, the dosing roller 223 will rotate in the medicine cavity, when the medicine groove at the upper end of the adjusting slider 203 rotates to the upper side, the medicine will be filled, and when the dosing roller 223 is turned over, the position of the filled medicine will rotate to the bottom, so that the medicine enters the water suction pipe 102, and the single addition of the medicine is completed; The adjusting pusher includes a positioning seat 207 fixedly arranged on the side of the dosing base 224, a horizontal sliding hole is provided on the positioning seat 207, a fine-tuning slide rod 208 is slidably provided in the horizontal sliding hole, an adjusting screw is matched in the screw hole at the end of the fine-tuning slide rod 208, an adjusting disk 209 is provided at the end of the adjusting screw, the outer end of the adjusting screw is rotatably connected to the screw rotating seat 210, the screw rotating seat 210 is connected to the positioning seat 207 through a horizontal connecting frame, an adjusting cone block 206 is fixedly provided at the inner end of the fine-tuning slide rod 208, and the adjusting cone block The conical surface 206 is pressed against the end of the reset guide rod 204. When adjusting, the adjusting screw is driven to rotate through the adjusting disk 209, and the adjusting screw and the fine-tuning slide rod 208 rotate relatively. Under the action of the thread, the fine-tuning slide rod 208 slides along the positioning seat 207, thereby driving the adjusting conical block 206 to move along the axis of the adjusting inner cavity 211. Since the end of the adjusting conical block 206 is a conical surface, as the adjusting conical block 206 moves horizontally, the diameter of the support position with the end of the reset guide rod 204 will change, thereby providing power for the height adjustment of the reset guide rod 204. A steel ball is rotatably arranged at the end of the reset guide rod 204, and rolling friction occurs between the steel ball and the conical surface of the adjusting conical block 206, thereby reducing friction loss; The water flow transmission member includes an impeller shaft 213 coaxially arranged with the drain pipe 101, a positioning bearing block 214 is rotatably provided on the outer side of the impeller shaft 213, and the positioning bearing block 214 is connected and fixed to the inner wall of the drain pipe 101 through a positioning rod, a driven impeller 212 is provided at one end of the impeller shaft 213, and a first adjusting pulley 216 is provided at the other end of the impeller shaft 213, a transmission box 222 is provided on the outer side of the drain pipe 101, and the transmission box 222 is connected to the drain pipe 101 through a transmission notch 218, and an adjusting transmission rod 219 is rotatably provided on the side of the transmission box 222, and the end of the adjusting transmission rod 219 extends to the inside of the dosing base 224 It is fixedly connected to the center of the dosing roller 223, and a second adjusting pulley 221 is fixedly provided at the other end of the adjusting transmission rod 219. The second adjusting pulley 221 is connected to the first adjusting pulley 216 through an adjusting belt 215. When water flows out along the drain pipe 101, the water flow drives the driven impeller 212 to rotate, and the driven impeller 212 drives the first adjusting pulley 216 to rotate through the impeller shaft 213. The first adjusting pulley 216 drives the second adjusting pulley 221 to rotate through the adjusting belt 215, and the second adjusting pulley 221 drives the dosing roller 223 to rotate through the adjusting transmission rod 219, so that power can be provided for automatic dosing without setting an additional driving source.

[0027] To optimize the solution: The feeding hopper 201 is provided with a mixing unit for stirring the medicinal materials. Through the setting of the mixing unit, the medicinal materials will not clump and can be easily dropped. The mixing unit includes a stirring shaft 309 rotatably arranged on the top of the feeding hopper 201. A first stirring gear 301 is arranged on the upper end of the stirring shaft 309. A transmission connecting rod 303 is rotatably arranged on the feeding hopper 201 on one side of the first stirring gear 301 through a bearing frame group 304. A second stirring gear 302 is arranged at the end of the transmission connecting rod 303. The second stirring gear 302 is meshed with the first stirring gear 301. A first stirring pulley 305 is fixedly arranged on the outer end of the second stirring gear 302. The center of the second adjusting pulley 221 is connected and fixed to the auxiliary transmission shaft 308. The auxiliary transmission shaft 308 rotates through the transmission box 222 and the second stirring pulley 30 7, the second stirring pulley 307 is connected to the first stirring pulley 305 through a stirring belt 306, a plurality of scraper frames 310 are distributed on the outside of the stirring shaft 309, the scraper frames 310 are matched with the inner wall of the feeding hopper 201, and a plurality of mixing rods 311 are also arranged on the outside of the stirring shaft 309. When the transmission box 222 rotates, the auxiliary transmission shaft 308 drives the second stirring pulley 307 to rotate, the second stirring pulley 307 drives the first stirring pulley 305 to rotate through the stirring belt 306, the first stirring pulley 305 drives the second stirring gear 302 to rotate through the transmission connecting rod 303, the second stirring gear 302 drives the stirring shaft 309 to rotate through the first stirring gear 301, and the stirring shaft 309 drives the scraper frames 310 and the mixing rods 311 to rotate, so that the medicinal materials in the feeding hopper 201 are fully mixed and dispersed.

[0028] Working principle: In actual use, the medicine to be added is stored in the medicine adding component 200, and the second pulley 105 is driven to rotate by the driving motor 107. The second pulley 105 drives the first pulley 103 to rotate through the first belt 104, and the first pulley 103 drives the impeller 111 to rotate, so that suction is generated at the position of the water suction pipe 102, and the sucked water is discharged along the drain pipe 101. During the discharge process, the medicine is added to the water through the medicine adding component 200, so that automatic medicine addition is realized; Under the action of the adjusting pusher, the end of the reset guide rod 204 generates a thrust, so that the reset guide rod 204 and the adjusting slider 203 at the end of the reset guide rod 204 slide along the inner wall of the dosing gap 202, so that the filling depth of the end of the dosing gap 202 changes, so that the amount of medicine added each time changes, and the dosing roller 223 is connected to a water flow transmission member for driving it to rotate. Driven by the water flow transmission member, the dosing roller 223 rotates in the medicine cavity, and when the medicine groove at the upper end of the adjusting slider 203 rotates to the upper side, the medicine will be filled, and when the dosing roller 223 is turned over, the position of the filled medicine will rotate to the bottom, so that the medicine enters the water suction pipe 102, and a single addition of the medicine is completed; When the transmission box 222 rotates, the auxiliary transmission shaft 308 drives the second stirring pulley 307 to rotate, the second stirring pulley 307 drives the first stirring pulley 305 to rotate through the stirring belt 306, the first stirring pulley 305 drives the second stirring gear 302 to rotate through the transmission connecting rod 303, the second stirring gear 302 drives the stirring shaft 309 to rotate through the first stirring gear 301, and the stirring shaft 309 drives the scraper frame 310 and the mixing rod 311 to rotate, so that the medicinal materials in the feeding hopper 201 are fully mixed and dispersed; It should be noted that the upper end surface of the adjustment slider 203 matches the outer arc surface of the dosing roller 223, so that when the adjustment slider 203 moves to the uppermost side, the adjustment slider 203 and the arc surface just match the outer side of the dosing roller 223, and no medicine will be filled at this time.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An irrigation pump capable of adding medicine, characterized in that: The pump comprises a base (108), a pump housing (100) is provided above the base (108), a water inlet position of the pump housing (100) is provided with a water suction pipe (102), a water discharge position of the pump housing (100) is provided with a drainage pipe (101), a medicine adding component for adding liquid medicine to water is provided on the drainage pipe (101), an impeller (111) is provided inside the pump housing (100), a center column (112) is provided at the center of the impeller (111), and the center column (112) is connected to a driving component for driving the impeller to rotate; The medicine adding component comprises a medicine adding base (224) connected to the upper side of the drainage pipe (101); a vertical channel connected to the interior of the drainage pipe (101) is provided inside the medicine adding base (224); a medicine cavity is provided in the vertical channel; an adjustment component for adjusting the amount of medicine filled is provided in the medicine cavity; an upper port of the medicine adding base (224) is connected to the feeding hopper (201); The regulating assembly comprises a transmission box (222) arranged in the medicine cavity, a plurality of medicine-dosing notches (202) are arranged in an array on the outer side of the transmission box (222), the transmission box (222) is communicated with an regulating inner cavity (211) at the center of a medicine-dosing roller (223), an regulating slider (203) is slidably arranged inside the medicine-dosing notch (202), a reset guide rod (204) is fixedly arranged at the inner end of the regulating slider (203), a reset guide sleeve (205) is slidably arranged on the reset guide rod (204), the outer side of the reset guide sleeve (205) is connected and fixed to the inner wall of the medicine-dosing notch (202), the regulating slider (203) and the reset guide sleeve (205) are connected via a reset spring, an regulating pusher for driving the regulating slider (203) to move up and down is arranged on the medicine-dosing base (224), and the medicine-dosing roller (223) is connected to a water flow transmission member for driving the regulating slider (203) to rotate.

2. The medicated irrigation pump according to claim 1, characterized in that: The driving assembly comprises a first pulley (103), the first pulley (103) being connected and fixed to the end of a central column (112), the first pulley (103) being transmission-connected to a second pulley (105) via a first belt (104), the second pulley (105) being arranged at the output end of a driving motor (107), the driving motor (107) being connected and fixed to a base (108) via a motor frame (106), the driving motor (107) driving the second pulley (105) to rotate, the second pulley (105) driving the first pulley (103) to rotate via the first belt (104), thereby providing power for the impeller (111) to rotate.

3. The medicated irrigation pump according to claim 1, characterized in that: The outer side of the water suction pipe (102) or the pump housing (100) is connected and fixed to the base (108) via a support frame (113).

4. The medicated irrigation pump according to claim 3, characterized in that: The adjusting pusher comprises a positioning seat (207) fixedly arranged on the side of the dosing base (224); a horizontal sliding hole is provided on the positioning seat (207); a fine-tuning slide rod (208) is slidably arranged in the horizontal sliding hole; an adjusting screw is matched with a screw hole at the end of the fine-tuning slide rod (208); an adjusting disk (209) is arranged at the end of the adjusting screw rod; the outer end of the adjusting screw rod is rotatably connected to a screw rotating seat (210); the screw rotating seat (210) is connected to the positioning seat (207) via a transverse connecting frame; an adjusting conical block (206) is fixedly arranged at the inner end of the fine-tuning slide rod (208); a conical surface of the adjusting conical block (206) is in pressing contact with the end of the reset guide rod (204).

5. The medicated irrigation pump according to claim 1, characterized in that: A steel ball is rotatably disposed at the end of the reset guide rod (204), and rolling friction occurs between the steel ball and the conical surface of the adjusting conical block (206).

6. The medicated irrigation pump according to claim 1, characterized in that: The water flow transmission component comprises an impeller shaft (213) coaxially arranged with the drainage pipe (101); a positioning bearing block (214) is rotatably arranged outside the impeller shaft (213); the positioning bearing block (214) is connected and fixed to the inner wall of the drainage pipe (101) via a positioning rod; a driven impeller (212) is arranged at one end of the impeller shaft (213); a first adjusting pulley (216) is arranged at the other end of the impeller shaft (213); a transmission box (222) is arranged outside the drainage pipe (101); and the transmission box The transmission box (222) is connected to the drain pipe (101) via a transmission notch (218); an adjusting transmission rod (219) is rotatably provided on the side of the transmission box (222); the end of the adjusting transmission rod (219) extends to the inside of the dosing base (224) and is fixedly connected to the center of the dosing roller (223); a second adjusting pulley (221) is fixedly provided at the other end of the adjusting transmission rod (219); the second adjusting pulley (221) is connected to the first adjusting pulley (216) via an adjusting belt (215).

7. The medicated irrigation pump according to claim 6, characterized in that: The feeding hopper (201) is provided with a mixing unit for stirring the medicinal materials, the mixing unit comprising a stirring shaft (309) rotatably arranged on the top of the feeding hopper (201), the upper end of the stirring shaft (309) being connected to a transmission member for driving the stirring shaft (309) to rotate, a plurality of scraper frames (310) being distributed outside the stirring shaft (309), the scraper frames (310) being fitted with the inner wall of the feeding hopper (201), and a plurality of mixing rods (311) being further provided outside the stirring shaft (309).

8. The medicated irrigation pump according to claim 7, characterized in that: The transmission member comprises a first stirring gear (301) arranged at the upper end of the stirring shaft (309); a transmission connecting rod (303) is rotatably arranged on the feeding hopper (201) on one side of the first stirring gear (301) through a bearing frame group (304); a second stirring gear (302) is arranged at the end of the transmission connecting rod (303); the second stirring gear (302) is meshed with the first stirring gear (301); a first stirring pulley (305) is fixedly arranged at the outer end of the second stirring gear (302); the center of the second adjusting pulley (221) is connected and fixed to an auxiliary transmission shaft (308); the auxiliary transmission shaft (308) is rotatably passed through a transmission box (222) and connected to the second stirring pulley (307); the second stirring pulley (307) and the first stirring pulley (305) are connected to each other through a stirring belt (306).

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