Rotating mechanism suitable for liquid fertilizer spraying device

Abstract

The invention discloses a rotating mechanism suitable for a liquid fertilizer spraying device, which is arranged on a fertilizer conveying pipeline of the liquid fertilizer spraying device and comprises a cylinder body, a fixed flange, a rotating flange and a transmission mechanism, and the fixed flange and the rotating flange are fixedly and movably sleeved on the outer sides of the lower part and the upper part of the cylinder body respectively; the transmission mechanism comprises a motor, and a transmission shaft of the motor is fixedly connected with the rotating flange; wherein the fertilizer conveying pipeline comprises a fertilization tank car butt joint pipe section and a bent pipe section, the fertilization tank car butt joint pipe section is in butt joint through a fixed flange, the bent pipe section is in butt joint through a rotating flange, and the fertilization tank car butt joint pipe section is communicated with the bent pipe section through a barrel of a rotating mechanism; when the motor is started, the power of the motor is transmitted to the rotating flange, and the rotating flange rotates relative to the fixed flange, so that the spraying direction of the liquid fertilizer spraying device is adjusted.

Description

Technical Field

[0001] The invention relates to the field of agricultural machinery accessories, and in particular to a rotating mechanism suitable for a liquid fertilizer spraying device. Background Art

[0002] In today's modern agricultural production, the resource utilization of organic liquid fertilizers is gradually becoming an important method that farmers pay close attention to and widely adopt. With its natural ingredients and rich nutrients, organic liquid fertilizers have a significant effect on improving soil structure. By improving the particle composition of the soil and increasing the porosity of the soil, the soil becomes more loose and breathable, which is conducive to the growth and development of the root system of crops. At the same time, organic liquid fertilizers also show unique advantages in enhancing soil fertility. They can provide continuous and stable nutrient supply for crops, promote the healthy growth of crops, and improve the yield and quality of crops.

[0003] However, in farmlands with complex terrains such as mountains and hills, the application of organic liquid fertilizer has become a major problem facing agricultural production today. Due to the large terrain fluctuations and steep slopes in mountainous and hilly areas, it is difficult for traditional fertilization methods to effectively and evenly apply organic liquid fertilizer to farmland. This not only leads to low fertilization efficiency, but may also cause fertilizer waste and environmental pollution.

[0004] The reason for the waste of fertilizer and environmental pollution is that the spraying direction of the current liquid fertilizer spraying device cannot be adjusted, and the uniform application of organic liquid fertilizer on a large area of ​​sloping land cannot be achieved.

[0005] In short, there is currently a lack of a rotating mechanism that can flexibly adjust the injection direction. Summary of the invention

[0006] In view of the above problems, the purpose of the present invention is to provide a rotating mechanism for a liquid fertilizer injection device, which is used to solve the problem that the injection direction of the current liquid fertilizer injection device cannot be adjusted and the uniform application of organic liquid fertilizer on a large area of ​​sloping land cannot be achieved.

[0007] To achieve the above object, the present invention adopts the following technical solutions:

[0008] The invention discloses a rotating mechanism suitable for a liquid fertilizer injection device, which is arranged on a fertilizer delivery pipeline of the liquid fertilizer injection device, and comprises

[0009] A cylinder,

[0010] A fixed flange and a rotating flange are respectively fixedly and movably sleeved on the outer sides of the lower part and the upper part of the cylinder;

[0011] A transmission mechanism, comprising a motor, wherein a transmission shaft of the motor is fixedly connected to a rotating flange;

[0012] Wherein, the fertilizer delivery pipeline includes a fertilizer tanker butt joint pipe section and a bend pipe section, the fertilizer tanker butt joint pipe section is butt jointed via a fixed flange, the bend pipe section is butt jointed via a rotating flange, and the fertilizer tanker butt joint pipe section is connected to the bend pipe section via a cylinder of a rotating mechanism;

[0013] When the motor is started, the power of the motor is transmitted to the rotating flange, and the rotating flange rotates relative to the fixed flange, thereby adjusting the injection direction of the liquid fertilizer injection device.

[0014] Furthermore, the transmission mechanism also includes a worm and a worm wheel.

[0015] The transmission shaft of the motor is connected to the worm;

[0016] The worm and the worm wheel are meshed through gears;

[0017] The rotating flange is fixedly connected to the worm gear via bolts.

[0018] Preferably, the rotating flange comprises a flange portion and a vertical cylindrical portion, and the end of the flange portion is vertically butted with the vertical cylindrical portion and formed integrally;

[0019] Wherein, the rotating flange is movably sleeved on the outer side of the upper part of the cylinder through the vertical cylinder part;

[0020] The flange part of the rotating flange is located above the worm gear, and the worm gear and the flange part of the rotating flange are fixedly connected by bolts.

[0021] Preferably, the bottom end of the rotating flange is spaced apart from the top end of the fixed flange, and the fixed flange is integrally formed with the cylinder.

[0022] Preferably, a protective cover is sleeved between the outer side of the fixed flange and the outer side of the rotating flange, and the fixed flange, the worm gear and the rotating flange are sequentially arranged in the protective cover from bottom to top.

[0023] Preferably, two circles of balls are arranged between the outer wall of the cylinder and the inner wall of the vertical cylinder portion of the rotating flange.

[0024] Each circle of balls is equipped with a ball groove, and each ball groove is equipped with a ball receiving hole;

[0025] After all the balls enter the ball grooves through the ball insertion holes, a ball liner is arranged in each ball insertion hole, and each ball liner is fixed by a liner set screw.

[0026] Preferably, a worm gear box is arranged outside the worm.

[0027] Preferably, a lubricating oil hole is provided on the inner wall of the vertical cylindrical portion of the rotating flange, the lubricating oil hole is connected to the gap between the vertical cylindrical portion of the rotating flange and the cylindrical body, a lubricating oil nozzle is provided in the lubricating oil hole, and the lubricating oil nozzle faces the worm gear box;

[0028] When the worm gear box is disassembled, a lubricating oil nozzle is exposed, and lubricating oil is injected into the gap between the vertical cylinder part and the cylinder of the rotating flange through the lubricating oil nozzle.

[0029] Furthermore, a lubricating oil sealing assembly is also provided.

[0030] Bearings are respectively arranged at both ends between the worm and the worm gear box.

[0031] The lubricating oil sealing assembly comprises a circular sealing ring, a sealing gasket and a star-shaped cross-section sealing ring, the circular sealing ring and the star-shaped cross-section sealing ring are arranged between the side wall of the bearing and the worm gear box, and the circular sealing ring and the star-shaped cross-section sealing ring are separated by the sealing gasket;

[0032] A lip-shaped sealing ring is respectively arranged at both ends of the gap between the vertical cylindrical body portion of the rotating flange and the cylindrical body.

[0033] Furthermore, a liquid fertilizer sealing device is also provided, and the liquid fertilizer sealing device comprises an inner liquid fertilizer sealing component and an outer liquid fertilizer sealing component.

[0034] The inner liquid fertilizer sealing assembly comprises a first inner sealing ring and a second inner sealing ring.

[0035] The port of the flange portion of the rotating flange extends toward the center of the cylinder to form an inner flange, a sealing ring groove is provided on the upper end surface of the cylinder, and the inner flange of the outer port of the rotating flange and the sealing ring groove of the upper port of the cylinder form a closed annular groove with a notch, a first inner sealing ring and a second inner sealing ring are provided in the closed annular groove, and the second inner sealing ring includes a horizontal portion and a vertical portion, and the end of the horizontal portion and the end of the vertical portion are vertically fixedly connected;

[0036] Wherein, the vertical portion of the second inner sealing ring is close to the first inner sealing ring, and the horizontal portion of the second inner sealing ring is arranged at the notch of the closed annular groove;

[0037] The external liquid fertilizer sealing assembly comprises a first external sealing ring and a second external sealing ring.

[0038] Flanges are welded at both ends of the curved pipe section, and the flange at the bottom end of the curved pipe section is butted against the flange portion of the rotating flange;

[0039] The outer wall of the flange portion of the rotating flange is provided with an outer sealing ring groove, a first outer sealing ring and a second outer sealing ring are provided in the outer sealing ring groove, the second outer sealing ring comprises a horizontal portion and a vertical portion, and the end of the horizontal portion and the end of the vertical portion are vertically fixedly connected;

[0040] Among them, the vertical part of the second outer sealing ring is close to the first outer sealing ring, and the horizontal part of the second outer sealing ring is arranged on the outer wall of the flange part of the rotating flange, which is used to seal the connection between the flange part of the rotating flange and the flange at the bottom end of the bent pipe section.

[0041] Compared with the prior art, the present invention has the following beneficial effects:

[0042] (I) The present invention discloses a rotating mechanism suitable for a liquid fertilizer injection device, which is arranged on a fertilizer delivery pipeline of the liquid fertilizer injection device, and includes a cylinder, a fixed flange, a rotating flange and a transmission mechanism, wherein the fixed flange and the rotating flange are respectively fixedly and movably sleeved on the outer sides of the lower part and the upper part of the cylinder; the transmission mechanism includes a motor, and the transmission shaft of the motor is fixedly connected to the rotating flange; wherein the fertilizer delivery pipeline includes a fertilizer tank truck docking pipe section and a curved pipe section, wherein the fertilizer tank truck docking pipe section is docked through the fixed flange, and the curved pipe section is docked through the rotating flange, and the fertilizer tank truck docking pipe section is connected with the curved pipe section through the cylinder of the rotating mechanism; when the motor is started, the power of the motor is transmitted to the rotating flange, and the rotating flange rotates relative to the fixed flange, thereby realizing the adjustment of the injection direction of the liquid fertilizer injection device, which can significantly improve the fertilization area and fertilization flexibility of organic liquid fertilizer.

[0043] (ii) The present invention discloses a rotating mechanism suitable for a liquid fertilizer injection device. The worm gear box is designed according to the meshing size of the worm and the worm wheel. Two circles of balls and bearings are used to respectively ensure the relative sliding between the rotating flange and the cylinder body and prevent the relative movement between the worm and the worm gear box. Lubricating oil is added through a lubricating oil nozzle to ensure good inertia and improve the rotation performance of the injection device.

[0044] (III) The present invention discloses a rotating mechanism suitable for a liquid fertilizer injection device, which can not only rotate freely, but also achieve good sealing for both lubricating oil and liquid fertilizer, wherein three sealing rings are used to block and seal between the rotating flange and the cylinder body, ensuring that the organic liquid fertilizer always flows along the inner wall of the cylinder body without leakage; a lubricating oil sealing component is also configured to ensure that the lubricating oil in the worm gear box outside the cylinder body does not enter the interior of the cylinder body, thereby achieving sealing of the lubricating oil, ensuring that the rotation is not affected and the pipeline connection has good sealing performance, so that the liquid fertilizer injection pressure is uniform.

[0045] (IV) The present invention discloses a rotating mechanism suitable for a liquid fertilizer injection device, which can flexibly adjust the injection direction according to the terrain characteristics of the slope, so as to achieve uniform application of organic liquid fertilizer on a large area of ​​slope, thereby improving fertilization efficiency and reducing fertilization costs, thereby enabling more comprehensive application of organic liquid fertilizer to slope plots such as mountains and hills, improving soil fertility while enabling crops to better absorb nutrients, promoting the growth and development of crops, and improving agricultural production efficiency.

[0046] In summary, the present invention discloses a rotating mechanism suitable for a liquid fertilizer injection device, which can effectively solve the problem of applying organic liquid fertilizer in mountainous and hilly cultivated land, and provides an efficient and reliable fertilization solution for agricultural production. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 is a rear view of the tail end of the fertilizer tanker provided in Example 1 of the present invention;

[0048] Figure 2 is Figure 1 Schematic diagram of the rear end of the fertilizer tanker after the liquid fertilizer injection device is installed.

[0049] Figure 3 1 is a front view of a liquid fertilizer spraying device provided in Example 2 of the present invention equipped with a spray head;

[0050] Figure 4 yes Figure 3 Top view of the .

[0051] Figure 5 A three-dimensional view of the rotating mechanism provided in Example 3 of the present invention;

[0052] Figure 6 A top view of the rotating mechanism provided in Example 3 of the present invention;

[0053] Figure 7 yes Figure 6 Sectional view along AA direction;

[0054] Figure 8 A side view of the rotating mechanism provided in Example 3 of the present invention;

[0055] Fig. 9 yes Figure 8 Cross-sectional view along the BB axis.

[0056] Description of reference numerals: 100 - fertilizer tanker, 101 - fertilizer storage tank, 102 - discharge pipe, 103 - fertilizer injection docking port, 104 - injection switch valve, 105 - left emptying valve, 106 - right emptying valve;

[0057] 1-fertilizer delivery pipeline, 10-fertilizer tanker docking port, 11-fertilizer tanker docking pipe section, 12-bend pipe section, 13-pitch adjustment pipe section, 131-left push rod support pipe, 1310-left flange, 132-right push rod support pipe, 1320-right flange;

[0058] 2-Sprinkler;

[0059] 3- Rotation mechanism,

[0060] 30-Cylinder,

[0061] 31-fixed flange, 310-fixed plate;

[0062] 32-rotating flange, 320-inner flange, 321-flange portion, 322-vertical cylinder portion;

[0063] 33- Protective cover;

[0064] 34- transmission mechanism;

[0065] 340-worm gearbox, 3400-gearbox connecting bolts;

[0066] 341-motor, 3410-motor connecting bolt;

[0067] 343-worm;

[0068] 343-worm gear, 3430-bolt hole;

[0069] 35-ball, 350-ball insertion hole, 351-ball liner, 352-liner set screw;

[0070] 36-lubricating nozzle;

[0071] 37-bearing, 371-round sealing ring, 372-sealing gasket, 373-star-section sealing ring, 374-lip sealing ring;

[0072] 381 - first inner sealing ring, 382 - second inner sealing ring, 391 - first outer sealing ring, 392 - second outer sealing ring; 4 - pitch adjustment mechanism. DETAILED DESCRIPTION

[0073] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0074] It should be noted that the "front end" in the present invention refers to the end pointing to the nozzle 2 or the end where the nozzle 2 is located on the fertilizer delivery pipeline 1, and the "rear end" refers to the end pointing to the fertilizer tanker docking port 10 or the end where the fertilizer tanker docking port 10 is located on the fertilizer delivery pipeline 1. Similarly, "front" refers to the direction pointing to the nozzle 2, and "rear" refers to the direction pointing to the fertilizer tanker docking port 10.

[0075] Embodiment 1: A fertilizer tanker

[0076] Embodiment 1 provides a fertilizer tanker, and its structure is described in detail below with reference to the accompanying drawings.

[0077] refer to Figure 1 and Figure 2 The fertilizer tanker 100 is a liquid fertilizer transport tanker, on which a fertilizer storage tank 101 is provided, and organic liquid fertilizer is stored in the fertilizer storage tank 101. A discharge pipe 102 is provided on the tank wall of the fertilizer storage tank 101, and the feed end of the discharge pipe 102 is connected to the discharge port of the fertilizer storage tank 101, and the discharge end of the discharge pipe 102 is provided at the rear end of the fertilizer tanker 100.

[0078] The organic liquid fertilizer in the fertilizer storage tank 101 can be transported from the discharge port of the fertilizer storage tank 101 to the feed end of the discharge pipe 102 , and reach the discharge end of the discharge pipe 102 through the discharge pipe 102 .

[0079] In order to spray out the organic liquid fertilizer in the fertilizer tanker 100 , a fertilizer spraying docking port 103 is provided at the discharge end of the discharge pipe 102 for docking with a liquid fertilizer spraying device.

[0080] As is common knowledge in the art, in order to control the output of the organic liquid fertilizer from the fertilizer injection docking port 103 , an injection switch valve 104 is provided on the pipeline where the fertilizer injection docking port 103 is located.

[0081] In order to facilitate the emptying of the organic liquid fertilizer in the discharge pipe 102, the discharge end of the discharge pipe 102 also includes a left emptying valve 105 and a right emptying valve 106, and the left emptying valve 105 and the right emptying valve 106 are respectively located on the left and right sides of the lower part of the tail end of the fertilizer tanker 100, and the fertilizer injection docking port 103 is located at the upper part of the tail end of the fertilizer tanker 100, and the fertilizer injection docking port 103, the left emptying valve 105 and the right emptying valve 106 are respectively connected to the discharge end of the discharge pipe 102.

[0082] The connection relationship between the fertilizer injection docking port 103, the left drain valve 105 and the right drain valve 106 at the tail end of the fertilizer tanker 100 and the discharge end of the discharge pipe 102 is as follows: Figure 2 shown.

[0083] Specifically, the fertilizer storage tank 101 and the discharge pipe 102 of the fertilizer tank truck 100 have good sealing and stability. The fertilizer tank truck 100 adopts professional design, can adapt to different road conditions and transportation distances, and can efficiently and safely transport organic liquid fertilizer to mountainous and hilly areas with complex terrain. In the process of transporting organic liquid fertilizer, it is ensured that the organic liquid fertilizer will not leak or deteriorate during transportation.

[0084] Example 2: A liquid fertilizer spraying device suitable for a fertilizer tanker

[0085] Embodiment 2 provides a liquid fertilizer spraying device suitable for a fertilizer tanker, which is arranged on the fertilizer tanker of Embodiment 1. The structure thereof is described in detail below in conjunction with the accompanying drawings.

[0086] refer to Figure 3 and Figure 4 The liquid fertilizer injection device comprises a fertilizer delivery pipeline 1, a nozzle 2, a rotating mechanism 3 and a pitch adjustment mechanism 4.

[0087] The rear end of the fertilizer delivery pipeline 1 is used as an input end, and the front end of the fertilizer delivery pipeline 1 is used as an output end. The rear end of the fertilizer delivery pipeline 1 is provided with a fertilizer tanker docking port 10, and the front end is provided with a nozzle 2;

[0088] The fertilizer tanker docking port 10 is used to dock with the fertilizer tanker 100 and receive the organic liquid fertilizer in the fertilizer tanker 100, and the nozzle 2 is used to spray the organic liquid fertilizer in the fertilizer delivery pipeline 1 outward;

[0089] The fertilizer delivery pipeline 1 is provided with a rotating mechanism 3, and the rotating mechanism 3 can make the spray head 2 rotate relative to the rear end of the fertilizer delivery pipeline 1, so as to realize the spraying of organic liquid fertilizer outward in a rotating manner;

[0090] The fertilizer delivery pipeline 1 is also provided with a pitch adjustment mechanism 4, which can make the spray head 2 tilt upward or tilt downward, so as to realize spraying the organic liquid fertilizer outward at an elevation angle or a depression angle.

[0091] As a specific implementation method, refer to Figure 3 The fertilizer delivery pipeline 1 includes a fertilizer tanker docking pipe section 11, a curved pipe section 12 and a pitch adjustment pipe section 13.

[0092] The fertilizer tanker docking pipe section 11 is docked with the rear end of the curved pipe section 12 through the rotating mechanism 3, and the front end of the curved pipe section 12 and the nozzle 2 are respectively docked and connected with the two ends of the pitch adjustment pipe section 13, thereby forming a continuous fertilizer delivery pipeline 1.

[0093] More specifically, the bottom surface and top surface of the rotating mechanism 3 are respectively provided with a fixed flange 31 and a rotating flange 32.

[0094] The rear end of the fertilizer tanker docking pipe section 11 is provided with a fertilizer tanker docking port 10 for docking with the fertilizer tanker 100, and the front end is fixedly connected to the fixing flange 31 of the rotating mechanism 3;

[0095] The two ends of the pitch adjustment pipe section 13 are respectively provided with a left flange 1310 and a right flange 1320.

[0096] The rear end of the curved pipe section 12 is fixed on the rotating flange 32 of the rotating mechanism 3, and the front end is connected to the left flange 1310 of the pitch adjustment pipe section 13 through a flange;

[0097] The nozzle 2 is provided with a nozzle connecting pipe, and a flange is provided at the rear end of the nozzle connecting pipe. The flange at the rear end of the nozzle connecting pipe of the nozzle 2 is butted against the right flange 1320 of the pitch adjustment pipe section 13 .

[0098] Specifically, the pitch adjustment mechanism 4 is arranged on the pitch adjustment pipe section 13 .

[0099] Embodiment 3: A rotating mechanism suitable for a liquid fertilizer injection device

[0100] Embodiment 3 provides a rotating mechanism suitable for a liquid fertilizer injection device, which is arranged on the fertilizer delivery pipeline 1 of the liquid fertilizer injection device of Embodiment 2. The structure thereof is described in detail below in conjunction with the accompanying drawings.

[0101] refer to Figures 5 to 9 The rotating mechanism 3 includes a cylinder 30, a fixed flange 31, a rotating flange 32 and a transmission mechanism 34.

[0102] The fixed flange 31 and the rotating flange 32 are respectively fixedly and movably sleeved on the outer sides of the lower part and the upper part of the cylinder 30;

[0103] The transmission mechanism 34 includes a motor 341, and the transmission shaft of the motor 341 is fixedly connected to the rotating flange 32;

[0104] The fertilizer delivery pipeline 1 includes a fertilizer tanker butt joint pipe section 11 and a curved pipe section 12, the fertilizer tanker butt joint pipe section 11 is butted through a fixed flange 31, the curved pipe section 12 is butted through a rotating flange 32, and the fertilizer tanker butt joint pipe section 11 and the curved pipe section 12 are connected through a cylinder 30 of a rotating mechanism 3;

[0105] When the motor 341 is started, the power of the motor 341 is transmitted to the rotating flange 32, and the rotating flange 32 rotates relative to the fixed flange 31, thereby adjusting the injection direction of the liquid fertilizer injection device.

[0106] As a specific implementation of the transmission mechanism, the transmission mechanism 34 further includes a worm 342 and a worm wheel 343.

[0107] The transmission shaft of the motor 341 is connected to the worm 342;

[0108] The worm 342 is meshed with the worm wheel 343 through gears;

[0109] The rotating flange 32 is fixedly connected to the worm gear 343 by bolts.

[0110] When the motor 341 is started, the motor 341 drives the worm 342 to transmit, and drives the rotating flange 32 to move through the worm gear 343, so that the rotating flange 32 rotates relative to the fixed flange 31.

[0111] Specifically, the rotating flange 32 includes a flange portion 321 and a vertical cylinder portion 322, and the end of the flange portion 321 is vertically connected to the vertical cylinder portion 322 and formed in one piece;

[0112] The rotating flange 32 is movably mounted on the outer side of the upper part of the cylinder 30 through the vertical cylinder part 322;

[0113] The flange portion 321 of the rotating flange 32 is located above the worm gear 343, and the worm gear 343 is fixedly connected to the flange portion 321 of the rotating flange 32 by bolts. Specifically, the worm gear 343 is provided with bolt holes 3430 for connecting the rotating flange and the worm gear. Fig. 9 As shown, the bolt passes through the bolt hole 3430 to achieve the bolt connection between the two.

[0114] In order to ensure that the rotating flange 32 rotates relative to the fixed flange 31 , preferably, the bottom end of the rotating flange 32 is spaced apart from the top end of the fixed flange 31 . Specifically, the bottom end of the rotating flange 32 is spaced apart from the top end of the fixed flange 31 by 2 mm.

[0115] Preferably, the fixing flange 31 and the cylinder 30 are integrally formed.

[0116] In order to prevent contamination by dust and other debris, preferably, a protective cover 33 is provided between the outer side of the fixed flange 31 and the outer side of the rotating flange 32, and the fixed flange 31, the worm gear 343 and the rotating flange 32 are arranged in the protective cover 33 from bottom to top.

[0117] In order to ensure the relative sliding between the rotating flange 32 and the cylinder 30, two circles of balls 35 are arranged between the outer wall of the cylinder 30 and the inner wall of the vertical cylinder part 322 of the rotating flange 32.

[0118] Each circle of balls 35 is provided with a ball groove, and each ball groove is provided with a ball receiving hole 350;

[0119] After all the balls 35 enter the ball grooves through the ball insertion holes 350 , a ball liner 351 is disposed in each ball insertion hole 350 , and each ball liner 351 is fixed by a liner set screw 352 .

[0120] In order to avoid friction between the rotating flange 32 and the cylinder 30, a lubricating oil hole is provided on the inner wall of the vertical cylinder portion 322 of the rotating flange 32, and the lubricating oil hole is connected to the gap between the vertical cylinder portion 322 of the rotating flange 32 and the cylinder 30. A lubricating oil nozzle 36 is provided in the lubricating oil hole, and the lubricating oil nozzle 36 faces the worm gear box 34;

[0121] When the worm gear box 34 is removed, the lubricating oil nozzle 36 is exposed, and lubricating oil is injected into the gap between the vertical cylindrical portion 322 of the rotating flange 32 and the cylindrical body 30 through the lubricating oil nozzle 36 .

[0122] In order to ensure the transmission efficiency between the worm 342 and the worm wheel 343 and also to solve the relative sliding problem between the rotating flange 32 and the cylinder 30 , lubricating oil is provided on the contact surface between the worm 342 and the worm wheel 343 .

[0123] In order to prevent the lubricating oil on the contact surface between the worm 342 and the worm wheel 343 from flowing out indiscriminately, specifically, a worm gear box 34 is configured outside the worm 342, and the worm gear box 34 includes an upper shell and a lower shell, and the upper shell and the lower shell are connected by a gear box connecting bolt 3400.

[0124] Furthermore, the housing of the motor 341 is fixed to the worm gear box 34 via motor connecting bolts 3410 .

[0125] Furthermore, the worm gear box 34 and the fixing flange 31 are fixedly connected via a fixing plate 310 .

[0126] In order to prevent relative movement between the worm 342 and the worm gear box 34 , bearings 37 are respectively disposed at both ends between the worm 342 and the worm gear box 34 .

[0127] Specifically, the bearing 37 is a single-row cylindrical roller bearing, the inner ring surface of the bearing 37 is fixedly sleeved on the worm 342 , and the outer ring surface of the bearing 37 is fixedly connected to the inner wall of the worm gear box 34 .

[0128] In order to seal the lubricating oil on the contact surface between the worm 342 and the worm wheel 343, the rotating mechanism 3 is also provided with a lubricating oil sealing assembly, which includes a circular sealing ring 371, a sealing gasket 372, and a star-shaped cross-section sealing ring 373. The circular sealing ring 371 and the star-shaped cross-section sealing ring 373 are arranged between the side wall of the bearing 37 and the worm gear box 34, and the circular sealing ring 371 and the star-shaped cross-section sealing ring 373 are separated by the sealing gasket 372.

[0129] In order to further seal the lubricating oil on the contact surface between the worm 342 and the worm wheel 343 , a lip seal ring 374 is provided at both ends of the gap between the vertical cylinder portion 322 of the rotating flange 32 and the cylinder 30 .

[0130] Specifically, the motor 341 is a gerotor hydraulic motor.

[0131] In this embodiment, the worm gear box 24 is designed according to the meshing size of the worm 342 and the worm wheel 343. Two circles of balls 35 and bearings 37 are used to ensure the relative sliding between the rotating flange 32 and the cylinder 30 and prevent relative movement between the worm 342 and the worm gear box 34. Lubricating oil is added through the lubricating oil nozzle 36 to ensure good inertia and improve the rotation performance of the injection device.

[0132] In order to prevent the liquid fertilizer from entering the cylinder 30 through the rotating flange 32 and leaking out when circulating in the cylinder 30, the rotating mechanism 3 is also equipped with a liquid fertilizer sealing device.

[0133] The liquid fertilizer sealing device comprises an inner liquid fertilizer sealing component and an outer liquid fertilizer sealing component.

[0134] The inner liquid fertilizer sealing assembly includes a first inner sealing ring 381 and a second inner sealing ring 382.

[0135] The port of the flange portion 321 of the rotating flange 32 extends toward the center of the cylinder 30 to form an inner flange 320, a sealing ring groove is provided on the upper end surface of the cylinder 30, and the inner flange of the outer port of the rotating flange 32 and the sealing ring groove of the upper port of the cylinder 30 form a closed annular groove with a notch, a first inner sealing ring 381 and a second inner sealing ring 382 are provided in the closed annular groove, and the second inner sealing ring 382 includes a horizontal portion and a vertical portion, and the end of the horizontal portion and the end of the vertical portion are vertically fixedly connected;

[0136] The vertical portion 382 of the second inner sealing ring is adjacent to the first inner sealing ring 381 , and the horizontal portion of the second inner sealing ring 382 is disposed at the notch of the closed annular groove.

[0137] The external liquid fertilizer sealing assembly includes a first external sealing ring 391 and a second external sealing ring 392.

[0138] Flanges are welded to both ends of the curved pipe section 12 , and the flange at the bottom end of the curved pipe section 12 is butted against the flange portion 321 of the rotating flange 32 .

[0139] In order to seal the joint between the rotating flange 32 and the flange at the bottom end of the curved pipe section 12, an outer wall of the flange portion 321 of the rotating flange 32 is provided with an outer sealing ring groove, and a first outer sealing ring 391 and a second outer sealing ring 392 are provided in the outer sealing ring groove, and the second outer sealing ring 392 includes a horizontal portion and a vertical portion, and the end of the horizontal portion and the end of the vertical portion are vertically fixedly connected;

[0140] Among them, the vertical part of the second outer sealing ring 392 is close to the first outer sealing ring 391, and the horizontal part of the second outer sealing ring 392 is arranged on the outer wall of the flange part 321 of the rotating flange 32, which is used to seal the connection between the flange part 321 of the rotating flange 32 and the flange at the bottom end of the curved pipe section 12.

[0141] In this embodiment, the inner liquid fertilizer sealing assembly and the outer liquid fertilizer sealing assembly form a multi-pass seal of the liquid fertilizer sealing device to ensure the sealing between the rotating flange 32 and the cylinder 30.

[0142] Embodiment 4: A method for using a rotating mechanism suitable for a liquid fertilizer injection device

[0143] Embodiment 4 of the present invention provides a method for using a rotating mechanism applicable to a liquid fertilizer injection device, using the rotating mechanism applicable to a liquid fertilizer injection device of embodiment 3, and the method for using the rotating mechanism comprises the following steps:

[0144] When liquid fertilizer needs to be sprayed on a certain location, the organic liquid fertilizer is first transported to the rotating mechanism 3 through the fertilizer delivery pipeline 1;

[0145] The motor 341 is started, and the motor 341 drives the worm 342 to transmit, and the rotating flange 32 is driven to move through the worm gear 343, so that the rotating flange 32 rotates relative to the fixed flange 31;

[0146] The organic liquid fertilizer is sprayed out from the nozzle 2 under pressure.

[0147] Due to the rotation of the swivel flange, the organic liquid fertilizer can be evenly applied to large areas of sloping land.

[0148] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rotating mechanism suitable for a liquid fertilizer injection device, arranged on a fertilizer delivery pipeline (1) of the liquid fertilizer injection device, characterized in that: include a cylinder (30), A fixed flange (31) and a rotating flange (32) are respectively fixedly and movably sleeved on the outer sides of the lower part and the upper part of the cylinder (30); A transmission mechanism (34) comprising a motor (341), wherein a transmission shaft of the motor (341) is fixedly connected to the rotating flange (32); The fertilizer delivery pipeline (1) comprises a fertilizer tanker butt joint pipe section (11) and a curved pipe section (12); the fertilizer tanker butt joint pipe section (11) is butt jointed via a fixed flange (31), and the curved pipe section (12) is butt jointed via a rotating flange (32); the fertilizer tanker butt joint pipe section (11) is connected to the curved pipe section (12) via a cylinder (30) of a rotating mechanism (3); When the motor (341) is started, the power of the motor (341) is transmitted to the rotating flange (32), and the rotating flange (32) rotates relative to the fixed flange (31), thereby adjusting the injection direction of the liquid fertilizer injection device.

2. The rotating mechanism for a liquid fertilizer injection device according to claim 1, characterized in that: The transmission mechanism (34) further comprises a worm (342) and a worm wheel (343). The transmission shaft of the motor (341) is connected to the worm (342); The worm (342) is meshed with the worm wheel (343) via gears; The rotating flange (32) and the worm gear (343) are fixedly connected via bolts.

3. The rotating mechanism for a liquid fertilizer injection device according to claim 1, characterized in that: The rotating flange (32) comprises a flange portion (321) and a vertical cylindrical portion (322), and the end of the flange portion (321) is vertically butted with the vertical cylindrical portion (322) and formed in one piece; in, The rotating flange (32) is movably sleeved on the outer side of the upper part of the cylinder (30) through the vertical cylinder part (322); The flange portion (321) of the rotating flange (32) is located above the worm gear (343), and the worm gear (343) and the flange portion (321) of the rotating flange (32) are fixedly connected by bolts.

4. The rotating mechanism for a liquid fertilizer injection device according to claim 1, characterized in that: The bottom end of the rotating flange (32) is spaced apart from the top end of the fixed flange (31), and the fixed flange (31) and the cylinder (30) are integrally formed.

5. The rotating mechanism for liquid fertilizer injection device according to claim 1, characterized in that: A protective cover (33) is sleeved between the outer sides of the fixed flange (31) and the outer sides of the rotating flange (32); the fixed flange (31), the worm gear (343) and the rotating flange (32) are sequentially arranged in the protective cover (33) from bottom to top.

6. The rotating mechanism for liquid fertilizer injection device according to claim 3, characterized in that: Two circles of balls (35) are arranged between the outer wall of the cylinder (30) and the inner wall of the vertical cylinder portion (322) of the rotating flange (32). Each circle of balls (35) is provided with a ball groove, and each ball groove is provided with a ball receiving hole (350); After all the balls (35) enter the ball grooves through the ball insertion holes (350), a ball lining cover (351) is arranged in each ball insertion hole (350), and each ball lining cover (351) is fixed by a lining cover fixing screw (352).

7. The rotating mechanism for a liquid fertilizer injection device according to claim 3, characterized in that: A worm gear transmission box (34) is disposed outside the worm (342).

8. The rotating mechanism for liquid fertilizer injection device according to claim 7, characterized in that: The inner wall of the vertical cylindrical portion (322) of the rotating flange (32) is provided with a lubricating oil hole, the lubricating oil hole is connected to the gap between the vertical cylindrical portion (322) of the rotating flange (32) and the cylindrical body (30), and a lubricating oil nozzle (36) is provided in the lubricating oil hole, and the lubricating oil nozzle (36) faces the worm gear box (34); When the worm gear box (34) is removed, a lubricating oil nozzle (36) is exposed, and lubricating oil is injected into the gap between the vertical cylinder part (322) of the rotating flange (32) and the cylinder (30) through the lubricating oil nozzle (36).

9. The rotating mechanism for a liquid fertilizer injection device according to claim 8, characterized in that: It is also equipped with a lubricating oil seal assembly. Bearings (37) are respectively arranged at both ends between the worm (342) and the worm gear box (34). The lubricating oil sealing assembly comprises a circular sealing ring (371), a sealing gasket (372) and a star-shaped cross-section sealing ring (373); the circular sealing ring (371) and the star-shaped cross-section sealing ring (373) are arranged between the side wall of the bearing (37) and the worm gear box (34), and the circular sealing ring (371) and the star-shaped cross-section sealing ring (373) are separated by the sealing gasket (372); A lip-shaped sealing ring (374) is provided at each end of the gap between the vertical cylindrical portion (322) of the rotating flange (32) and the cylindrical body (30).

10. The rotating mechanism for liquid fertilizer injection device according to claim 8, characterized in that: It is also equipped with a liquid fertilizer sealing device. The liquid fertilizer sealing device comprises an inner liquid fertilizer sealing component and an outer liquid fertilizer sealing component. The internal liquid fertilizer sealing assembly comprises a first inner sealing ring (381) and a second inner sealing ring (382). The port of the flange portion (321) of the rotating flange (32) extends toward the center of the cylinder (30) to form an inner flange (320), a sealing ring groove is provided on the upper end surface of the cylinder (30), and the inner flange of the outer port of the rotating flange (32) and the sealing ring groove of the upper port of the cylinder (30) form a closed annular groove with a notch, a first inner sealing ring (381) and a second inner sealing ring (382) are provided in the closed annular groove, and the second inner sealing ring (382) includes a horizontal portion and a vertical portion, and the end of the horizontal portion and the end of the vertical portion are vertically fixedly connected; The vertical portion (382) of the second inner sealing ring is close to the first inner sealing ring (381), and the horizontal portion of the second inner sealing ring (382) is arranged at the notch of the closed annular groove; The external liquid fertilizer sealing assembly comprises a first external sealing ring (391) and a second external sealing ring (392). Flanges are welded to both ends of the curved pipe section (12), and the flange at the bottom end of the curved pipe section (12) is butted against the flange portion (321) of the rotating flange (32); An outer wall of the flange portion (321) of the rotating flange (32) is provided with an outer sealing ring groove, a first outer sealing ring (391) and a second outer sealing ring (392) are provided in the outer sealing ring groove, the second outer sealing ring (392) comprises a horizontal portion and a vertical portion, and the end of the horizontal portion and the end of the vertical portion are vertically fixedly connected; The vertical portion of the second outer sealing ring (392) is adjacent to the first outer sealing ring (391), and the horizontal portion of the second outer sealing ring (392) is arranged on the outer wall of the flange portion (321) of the rotating flange (32), so as to seal the connection between the flange portion (321) of the rotating flange (32) and the flange at the bottom end of the curved pipe section (12).

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