Low-noise stable planetary gear speed reducer

Abstract

The invention discloses a low-noise stable planetary gear speed reducer, and relates to the technical field of speed reducer equipment. Comprising a main body mechanism, the main body mechanism comprises a main body bin, a front cover is fixedly buckled on one side of the main body bin, and a rear cover is fixedly buckled on the other side of the main body bin; a gear ring is fixedly connected to the middle of the inner wall of the body bin. A discharging assembly is arranged on the lower wall of the body bin. A tailstock mechanism is arranged on one side of the main body mechanism; an oil conveying mechanism is arranged on the other side of the main body mechanism; an oil injection assembly is arranged between the main body mechanism and the tailstock mechanism, the oil injection assembly comprises an oil tank mechanism, and nozzle mechanisms inserted into the main body bin are uniformly communicated with the oil tank mechanism at equal intervals; the oil tank mechanism comprises an oil tank, a tank cover is fixedly buckled to one side of the oil tank, the tank cover is fixedly connected with a rear cover, an input assembly is arranged on one side of the upper wall of the oil tank, impurities hidden in tooth seams can be flushed out and flow out along with leaked oil, and the impurity removing performance is improved.

Description

Technical Field

[0001] This invention relates to the field of speed reducer equipment technology, specifically a low-noise and smooth planetary gear reducer. Background Technology

[0002] In modern industrial production systems, speed reducers, as key transmission components connecting prime movers and driven machines, bear the core function of matching speeds and transmitting torque. Their performance directly affects the operating quality and efficiency of various mechanical equipment. Planetary gear reducers, with their unique planetary carrier structure, power splitting mechanism, and multi-tooth meshing characteristics, stand out among many types of speed reducers, exhibiting significant advantages such as compact size, high transmission efficiency, and large torque output. Therefore, they are widely used in high-precision and heavy-duty fields such as industrial machinery, automated production lines, robotics, and aerospace.

[0003] Patent CN114135655B discloses a low-noise, smooth planetary gear reducer, including a protective housing. A planetary gear reduction module is disposed inside the protective housing. A lubrication groove is formed in the middle of the inner side of the protective housing. An addition box is fixedly installed at the top of the protective housing, and a collection box is fixedly installed at the bottom of the protective housing. A transmission groove one and a transmission groove two are formed inside the protective housing. One end of transmission groove one communicates with the inside of the addition box, and one end of transmission groove two communicates with the lubrication groove. A one-way valve is fixedly connected to the inner side of one end of transmission groove two. A triggering component is provided between transmission channel two and transmission channel one, and an oil delivery channel A is opened on the inner side of the protective shell. The collection box is connected to the inner side of the lubrication channel through oil delivery channel A. By setting up an addition box and a collection box, the addition box can inject air pressure into the inner side of the lubrication channel through transmission channel one, squeezing the original lubricating oil inside the device into the collection box through transmission channel two. Then, new lubricating oil is introduced into the lubrication channel, thus realizing the function of quick and convenient lubricating oil replacement without manual intervention. This allows the device to perform timed oil changes regardless of its location, ensuring smooth and low-noise operation.

[0004] However, in actual operation, as time accumulates, metal shavings from gear wear and external dust and impurities will mix into the oil of existing planetary gear reducers, causing a significant decrease in the viscosity and lubrication performance of the lubricating oil. This, in turn, exacerbates the frictional wear of gears and other transmission components, leading to equipment malfunctions, increased noise, and even mechanical failures, thus significantly reducing the service life of the equipment.

[0005] The above-mentioned technical solution requires repeated control of gas supply and discharge for oil replacement, which inevitably requires the speed reducer to be stopped, affecting its working efficiency. On the other hand, impurities may remain between the gear teeth, and relying solely on oil discharge may not be able to completely remove the impurities, thus failing to solve the problem of speed reducer operating noise.

[0006] Therefore, there is an urgent need for low-noise and smooth planetary gear reducers to solve the aforementioned problems. Summary of the Invention

[0007] The purpose of this invention is to provide a low-noise, smooth planetary gear reducer to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a low-noise and smooth planetary gear reducer, comprising a main body mechanism, the main body mechanism including a main body compartment, a front cover fixedly fastened to one side of the main body compartment, and a rear cover fixedly fastened to the other side of the main body compartment;

[0009] A toothed ring is fixedly connected to the middle of the inner wall of the main compartment, and a discharge assembly is provided on the lower wall of the main compartment;

[0010] A tailstock mechanism is provided on one side of the main body mechanism;

[0011] An oil delivery mechanism is provided on the other side of the main structure;

[0012] An oil injection assembly is provided between the main body mechanism and the tailstock mechanism. The oil injection assembly includes an oil tank mechanism, and nozzle mechanisms that are inserted into the main body compartment are evenly and equidistantly connected to the oil tank mechanism.

[0013] The fuel tank mechanism includes a fuel tank, a tank cover is fixedly snapped to one side of the fuel tank, the tank cover is fixedly connected to a rear cover, an input component is provided on one side of the upper wall of the fuel tank, and a connecting component is provided inside the fuel tank.

[0014] Each of the nozzle mechanisms includes a head chamber, with a receiving seat fixedly and evenly connected to one side surface of the head chamber at equal intervals. A chamber plate is movably hinged to the receiving seat via a torsion spring shaft. A bellows pipe is fixedly connected between the chamber plate and the head chamber, and a nozzle is fixedly connected to one side of the chamber plate.

[0015] As a preferred embodiment of the present invention, the discharge assembly includes two oil leakage holes, the lower wall of the main body chamber is provided with the oil leakage holes, the two oil leakage holes are respectively located on both sides of the gear ring, and the upper ends of the two oil leakage holes are rounded.

[0016] The lower ends of the two oil leakage holes are connected to an oil leakage pipe, the lower ends of the oil leakage pipe are expanded outward, and a first electric valve is fixedly installed on the oil leakage pipe.

[0017] As a preferred embodiment of the present invention, the tailstock mechanism includes a tailstock fixedly connected to an oil tank. A turntable is movably embedded in the middle of the end wall of the tailstock via a bearing. A sleeve is fixedly connected to the middle of one side of the turntable. A main shaft for inserting an oil tank mechanism is fixedly connected to the middle of the other side of the turntable. One end of the main shaft is inserted into the main body compartment and fixedly connected to a sun gear flush with the gear ring.

[0018] As a preferred embodiment of the present invention, the oil delivery mechanism includes an oil delivery shaft that is movably inserted into the front cover via a bearing. A coaxial shaft disk is fixedly connected to one side of the oil delivery shaft. Planetary shafts arranged in annular pattern are fixedly connected to one side of the shaft disk at equal and uniform intervals. One end of the planetary shaft is inserted into the main body compartment and is movably sleeved with a planetary gear via a bearing. The planetary gear meshes with the gear ring and the sun gear.

[0019] One end of the planetary axis extends out of the planetary gear and is beveled.

[0020] As a preferred embodiment of the present invention, the input component includes an oil pipe, the upper wall of the oil tank is connected to the oil pipe through the oil pipe, and the upper end of the oil pipe is fixedly connected to a U-shaped branch pipe.

[0021] The connecting assembly includes a collar that is movably fitted inside the oil tank. Rotating plates that fit against the inner wall of the oil tank are fixedly connected to the outer side of the collar at equal intervals. A disc that penetrates the tank cover is fixedly connected to one side of the collar. The disc has slots that are evenly opened at equal intervals on the side wall facing the collar, and the slots correspond to the spaces between two rotating plates. A second electric valve arranged in a ring is fixedly connected to the side wall of the disc facing away from the collar at equal intervals. The second electric valve is connected to the head compartment.

[0022] As a preferred technical solution of the present invention, a groove is recessed in the middle of one side surface of the head chamber, a plug is adapted to be inserted into the groove, a vibrating head is fixedly connected to one end of the plug, the end of the vibrating head away from the plug is rounded, and a spring wound around the plug is fixedly connected between the vibrating head and the head chamber.

[0023] A side rod perpendicular to the nozzle is fixedly connected to the other side of the tray. A spherical abutment ball is fixedly connected to the end of the side rod. The spherical abutment ball fits against the outer edge of the end of the vibrator near the insertion post.

[0024] A protective cover connects the head chamber and the vibrating head, and the nozzle penetrates the protective cover.

[0025] As a preferred technical solution of the present invention, a circulation mechanism for oil circulation is provided below the discharge component. The circulation mechanism includes a bottom chamber, the lower end of the oil leakage pipe is fixedly sleeved on the upper wall of the bottom chamber, and a circulation pipe is fixedly connected between the lower part of the bottom chamber and one end of the branch pipe. An oil pump is installed on the circulation pipe.

[0026] The upper side of the interior of the bottom compartment is provided with a first filter cover. The lower end of the oil leakage pipe is fixedly sleeved on the upper wall of the first filter cover. The lower end of the first filter cover is movably connected to a second filter cover through a bearing. The lower part of the second filter cover is inwardly recessed, and an external gear is fixedly sleeved on the outer side of the lower end of the second filter cover.

[0027] A shaft is inserted through the inner side of the first filter cover, and a plate wheel is fixedly sleeved in the middle of the shaft. One side of the plate wheel is directly opposite the lower port of the oil leakage pipe.

[0028] The external gear is perpendicularly meshed with a side gear, and a wheel axle is fixedly connected through the middle of the side gear. The wheel axle is movably connected to the bottom chamber through a bearing, and a belt is sleeved between the wheel axle and the shaft.

[0029] The lower end of the second filter cover is attached to the lower wall of the bottom chamber. A bottom cover is provided on the lower side of the bottom chamber. A screw block that penetrates the lower wall of the bottom chamber is fixedly connected to the middle of the upper surface of the bottom cover. A plug plate that is adapted to fasten the lower end of the second filter cover is movably connected to the upper surface of the screw block through a bearing.

[0030] Compared with the prior art, the beneficial effects of the present invention are:

[0031] (1) Low-noise and stable planetary gear reducer, the other end of the branch pipe is connected to the external high-pressure oil, which is then introduced into the head chamber through the second electric valve. Subsequently, it is ejected through the nozzle under high pressure. The nozzle sprays oil into the meshing tooth gaps of the gear ring, sun gear and planet gear, thereby flushing out the impurities hidden in the tooth gaps. As the oil flows out with the leakage, the performance of removing impurities is improved.

[0032] (2) The low-noise and stable planetary gear reducer, through the docking of the second electric valve and the head chamber, allows the nozzle mechanism to rotate in the main chamber. Thus, the nozzle can thoroughly clean the meshing teeth of the gear ring, sun gear and planet gear. Furthermore, the movement of the vibrating head pushes the abutment ball, causing the chamber plate to rotate on the torsion spring shaft, changing the direction of the nozzle to perform multi-angle cleaning in the main chamber, thereby improving the comprehensiveness of impurity removal.

[0033] (3) The low-noise and stable planetary gear reducer opens the first electric valve and the second electric valve in sequence, so the oil in the main chamber is not completely discharged. Therefore, the reducer can be operated without stopping during the oil change process. The reducer always keeps running. New oil is continuously injected into the main chamber through the second electric valve, while the old oil containing impurities is discharged in an orderly manner through the oil drain pipe. The total amount of oil is kept in dynamic balance, and the main chamber is always in a fully lubricated state. There is no need to interrupt the production process, which improves the effective operating rate and greatly reduces the production plan delays and economic losses caused by downtime.

[0034] (4) Low-noise and stable planetary gear reducer: After the vibrating head and planetary shaft are misaligned, the vibrating head rebounds under the action of the spring and hits the planetary gear, thereby causing the planetary gear to generate micro-vibration, which can shake off the adhering impurities inside the main body chamber more effectively. The micro-vibration without the need for additional power input improves energy saving and consumption reduction performance.

[0035] (5) Low-noise and stable planetary gear reducer: the oil discharged through the oil drain pipe enters the first filter and the second filter for filtration. The filtered oil enters the bottom chamber for storage. When high-pressure oil is introduced into the other end of the branch pipe, the oil pump is started simultaneously to introduce the filtered oil in the bottom chamber into one end of the branch pipe through the circulation pipe, so that the discharged old oil can be recycled to a certain extent and save oil change costs.

[0036] (6) Low-noise and stable planetary gear reducer: When the old oil is poured out through the oil drain pipe, the discharged old oil drives the plate wheel to rotate, and then drives the side gear to rotate through the shaft and belt. The meshing of the side gear and the external gear drives the second filter to rotate. It can generate the rotation power of the second filter by itself through the oil discharge, and use centrifugal force to further enhance the separation of oil and impurities and improve the impurity removal efficiency. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the structure of the present invention;

[0038] Figure 2 This is a schematic diagram of the main structure of the present invention;

[0039] Figure 3 This is a schematic diagram of the discharge component of the present invention;

[0040] Figure 4 This is a schematic diagram of the tailstock mechanism of the present invention;

[0041] Figure 5 This is a schematic diagram of the oil injection assembly of the present invention;

[0042] Figure 6 This is a schematic diagram of the fuel tank mechanism of the present invention;

[0043] Figure 7 This is a schematic diagram of the connection components of the present invention;

[0044] Figure 8 This is a schematic diagram showing the position of the nozzle mechanism of the present invention;

[0045] Figure 9 This is a schematic diagram of the protective cover of the present invention;

[0046] Figure 10 This is a schematic diagram of the nozzle mechanism connection of the present invention;

[0047] Figure 11 This is a schematic diagram of the circulation mechanism of the present invention;

[0048] Figure 12 This is a schematic diagram of the interior of the bottom compartment of the present invention;

[0049] Figure 13 This is a schematic diagram of the interior of the first filter cover of the present invention.

[0050] In the diagram: 1. Main body mechanism; 101. Main body compartment; 102. Front cover; 103. Rear cover; 104. Gear ring; 105. Oil leakage hole; 106. Oil leakage pipe; 107. First electric valve; 2. Tailstock mechanism; 201. Tailstock; 202. Turntable; 203. Connecting sleeve; 204. Main shaft; 205. Sun gear; 3. Shaft transmission mechanism; 301. Output shaft; 302. Shaft disc; 303. Planetary shaft; 304. Planetary gear; 4. Oil tank mechanism; 401. Oil tank; 402. Tank cover; 403. Oil pipe; 404. Branch pipe; 405. Collar; 406. Turning plate; 407. Pan; 408. Groove; 409. 5. Second electric valve; 6. Nozzle mechanism; 501. Head chamber; 502. Groove; 503. Insert post; 504. Vibrating head; 505. Spring; 506. Connector; 507. Tank; 508. Bellows; 509. Nozzle; 510. Side rod; 511. Abutment ball; 512. Protective cover; 6. Circulation mechanism; 601. Bottom chamber; 602. Circulation pipe; 603. Oil pump; 604. First filter cover; 605. Second filter cover; 606. External gear; 607. Shaft; 608. Plate wheel; 609. Side gear; 610. Wheel axle; 611. Belt; 612. Bottom cover; 613. Screw block; 614. Plug disc. Detailed Implementation

[0051] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0052] Example: Please refer to Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 8 , Figure 10 A low-noise and stable planetary gear reducer includes a main body 1, which includes a main body compartment 101. A front cover 102 is fixedly fastened to one side of the main body compartment 101, and a rear cover 103 is fixedly fastened to the other side of the main body compartment 101.

[0053] A toothed ring 104 is fixedly connected to the middle of the inner wall of the main body compartment 101, and a discharge assembly is provided on the lower wall of the main body compartment 101.

[0054] A tailstock mechanism 2 is provided on one side of the main body mechanism 1;

[0055] An oil delivery mechanism 3 is provided on the other side of the main structure 1;

[0056] An oil injection assembly is provided between the main body mechanism 1 and the tailstock mechanism 2. The oil injection assembly includes an oil tank mechanism 4, and nozzle mechanisms 5 that are inserted into the main body chamber 101 are evenly connected to the oil tank mechanism 4 at equal intervals.

[0057] The fuel tank mechanism 4 includes a fuel tank 401, a tank cover 402 is fixedly snapped to one side of the fuel tank 401, the tank cover 402 is fixedly connected to the rear cover 103, an input component is provided on one side of the upper wall of the fuel tank 401, and a connection component is provided inside the fuel tank 401.

[0058] Each nozzle mechanism 5 includes a head chamber 501. A receiving seat 506 is fixedly connected to the outer edge of one side surface of the head chamber 501 at equal intervals. A chamber plate 507 is movably hinged to the receiving seat 506 via a torsion spring shaft. A bellows pipe 508 is fixedly connected between the chamber plate 507 and the head chamber 501. A nozzle 509 is fixedly connected to one side of the chamber plate 507.

[0059] Please see Figure 2 , Figure 3 The discharge assembly includes two oil drain holes 105. The lower wall of the main body chamber 101 is provided with oil drain holes 105. The two oil drain holes 105 are located on both sides of the gear ring 104. The upper ends of the two oil drain holes 105 are rounded.

[0060] The lower ends of the two oil leakage holes 105 are connected to an oil leakage pipe 106. The lower end of the oil leakage pipe 106 is expanded outward, and a first electric valve 107 is fixedly installed on the oil leakage pipe 106.

[0061] Please see Figure 4The tailstock mechanism 2 includes a tailstock 201 that is fixedly connected to the oil tank 401. A turntable 202 is movably embedded in the middle of the end face wall of the tailstock 201 via a bearing. A sleeve 203 is fixedly connected to the middle of one side of the turntable 202. A main shaft 204 that passes through the oil tank mechanism 4 is fixedly connected to the middle of the other side of the turntable 202. One end of the main shaft 204 is inserted into the main body compartment 101 and is fixedly connected to a sun gear 205 that is flush with the gear ring 104.

[0062] Please see Figure 4 , Figure 8 The oil delivery mechanism 3 includes an oil delivery shaft 301 that is movably inserted into the front cover 102 via a bearing. A coaxial shaft disk 302 is fixedly connected to one side of the oil delivery shaft 301. Planetary shafts 303 arranged in a ring are fixedly connected to one side of the shaft disk 302 at equal intervals. One end of the planetary shaft 303 is inserted into the main body compartment 101 and is movably sleeved with a planetary gear 304 via a bearing. The planetary gear 304 meshes with the gear ring 104 and the sun gear 205.

[0063] One end of the planetary axis 303 extends out of the planetary gear 304 and is chamfered.

[0064] Please see Figure 6 , Figure 7 The input component includes an oil pipe 403, which is fixedly connected to the upper wall of the oil tank 401, and a U-shaped branch pipe 404 is fixedly connected to the upper end of the oil pipe 403.

[0065] The connecting assembly includes a collar 405 that is movably fitted inside the oil tank 401. Rotating plates 406 that fit against the inner wall of the oil tank 401 are fixedly connected to the outer side of the collar 405 at equal intervals. A disc 407 that penetrates the tank cover 402 is fixedly connected to one side of the collar 405. The disc 407 has slots 408 that are evenly opened at equal intervals on the side wall facing the collar 405. The slots 408 correspond to the space between two rotating plates 406. A second electric valve 409 arranged in a ring is fixedly connected to the side wall of the disc 407 that is not facing the collar 405 at equal intervals. The second electric valve 409 is connected to the head compartment 501.

[0066] Please see Figure 9 , Figure 10 The head chamber 501 has a recessed groove 502 in the middle of one side surface. A plug 503 is adapted to be inserted into the groove 502. A vibrating head 504 is fixedly connected to one end of the plug 503. The end of the vibrating head 504 away from the plug 503 is rounded. A spring 505 is fixedly connected between the vibrating head 504 and the head chamber 501 and is wound around the plug 503.

[0067] The motion trajectory of the end of the vibrating head 504 overlaps with the motion trajectory of the end of the planetary axis 303;

[0068] On the other side of the tray 507, a side rod 510 perpendicular to the nozzle 509 is fixedly connected. A spherical abutment ball 511 is fixedly connected to the end of the side rod 510. The spherical abutment ball 511 fits against the outer edge of the end of the vibrator 504 near the insertion post 503.

[0069] A protective cover 512 connects the head chamber 501 and the vibrating head 504, and the nozzle 509 penetrates the protective cover 512.

[0070] Please see Figure 11 , Figure 12 , Figure 13 Below the discharge assembly is a circulation mechanism 6 for oil circulation. The circulation mechanism 6 includes a bottom chamber 601. The lower end of the oil leakage pipe 106 is fixedly sleeved on the upper wall of the bottom chamber 601. A circulation pipe 602 is fixedly connected between the lower part of the bottom chamber 601 and one end of the branch pipe 404. An oil pump 603 is installed on the circulation pipe 602.

[0071] A first filter cover 604 is provided on the upper side of the interior of the bottom compartment 601. The lower end of the oil leakage pipe 106 is fixedly sleeved on the upper wall of the first filter cover 604. The lower end of the first filter cover 604 is movably connected to a second filter cover 605 through a bearing. The lower part of the second filter cover 605 is inwardly recessed, and an external gear 606 is fixedly sleeved on the outer side of the lower end of the second filter cover 605.

[0072] A shaft 607 is inserted through the inner side of the first filter cover 604, and a plate wheel 608 is fixedly sleeved in the middle of the shaft 607. One side of the plate wheel 608 is directly opposite the lower port of the oil leakage pipe 106.

[0073] The external gear 606 is perpendicularly meshed with the side gear 609. The middle of the side gear 609 is fixedly connected to the axle 610. The axle 610 is movably connected to the bottom compartment 601 through the bearing. The axle 610 and the shaft 607 are connected together by a belt 611.

[0074] The lower end of the second filter cover 605 is attached to the lower wall of the bottom chamber 601. A bottom cover 612 is provided on the lower side of the bottom chamber 601. A screw block 613 that is threaded through the lower wall of the bottom chamber 601 is fixedly connected to the middle of the upper surface of the bottom cover 612. A plug plate 614 that is adapted to engage with the lower end of the second filter cover 605 is movably connected to the upper surface of the screw block 613 through a bearing.

[0075] The working principle of this invention is as follows:

[0076] An oil injection assembly is installed between the main body mechanism 1 and the tailstock mechanism 2. The pressure of the new oil injection pushes the old oil and impurities out. The oil tank 401 is connected to the main body compartment 101 through the second electric valve 409. A discharge assembly is installed on the lower wall of the main body compartment 101, and the first electric valve 107 is installed on the oil drain pipe 106. When not changing the oil, both the second electric valve 409 and the first electric valve 107 are closed. When changing the oil, the first electric valve 107 is opened first, and then the second electric valve 409 is opened. The other end of the branch pipe 404 is connected to the external high-pressure oil and injected into the main body compartment 101. The pressure of the new oil is used to squeeze the old oil and impurities out from the oil drain channel.

[0077] The other end of the branch pipe 404 is connected to external high-pressure oil, which is then introduced into the head chamber 501 through the second electric valve 409. Subsequently, the oil is ejected under high pressure through the nozzle 509. The oil is flushed into the meshing teeth of the toothed ring 104, the sun gear 205, and the planetary gear 304, thereby flushing out impurities hidden in the teeth. As the oil flows out, the performance of removing impurities is improved.

[0078] The oil tank 401 is equipped with a connecting assembly. High-pressure oil is injected through the other end of the branch pipe 404. Since the oil pipe 403 is located on the upper wall of the oil tank 401, the impact plate 406 can drive the disc 407 to rotate during the injection of oil. Through the docking of the second electric valve 409 and the head chamber 501, the nozzle mechanism 5 rotates in the main chamber 101. Thus, the nozzle 509 can thoroughly clean the meshing teeth of the gear ring 104, the sun gear 205 and the planetary gear 304. Furthermore, the movement of the vibrating head 504 pushes the abutment ball 511, causing the disc 507 to rotate around the torsion spring shaft, changing the orientation of the nozzle 509 to perform multi-angle cleaning of the main chamber 101, thereby improving the comprehensiveness of impurity removal.

[0079] By opening the first electric valve 107 and the second electric valve 409 in sequence, the oil in the main chamber 101 is not completely drained. Therefore, the reducer can continue to operate during the oil change process without stopping. The reducer remains running, and while new oil is continuously injected into the main chamber 101 through the second electric valve 409, old oil containing impurities is discharged in an orderly manner through the oil drain pipe 106. The total amount of oil is kept in dynamic balance, and the main chamber 101 is always fully lubricated. The production process does not need to be interrupted during the process, which improves the effective operating rate and greatly reduces production plan delays and economic losses caused by downtime.

[0080] The movement trajectory of the end of the vibrating head 504 and the movement trajectory of the end of the planetary shaft 303 overlap. When the planetary shaft 303 comes into contact with the vibrating head 504 during movement, one end of the planetary shaft 303 extends out of the planetary gear 304 and is chamfered. The end of the vibrating head 504 away from the insert 503 is rounded. Thus, the insert 503 is squeezed into the groove 502 through the contact between the planetary shaft 303 and the vibrating head 504. After the vibrating head 504 and the planetary shaft 303 are misaligned, the vibrating head 504 rebounds under the action of the spring 505 and strikes the planetary gear 304, thereby causing the planetary gear 304 to generate micro-vibration. This can more effectively shake off the adhering impurities inside the main body chamber 101. The micro-vibration does not require additional power input, thus improving energy saving and consumption reduction performance.

[0081] The oil discharged through the drain pipe 106 enters the first filter cover 604 and the second filter cover 605 for filtration. The filtered oil enters the bottom tank 601 for storage. When high-pressure oil is introduced into the other port of the branch pipe 404, the oil pump 603 is started simultaneously to guide the filtered oil in the bottom tank 601 into one port of the branch pipe 404 through the circulation pipe 602. This allows the discharged old oil to be recycled to a certain extent, saving oil change costs.

[0082] When the old oil is poured out through the oil drain pipe 106, the discharged old oil drives the plate wheel 608 to rotate, which in turn drives the side gear 609 to rotate through the shaft 607 and belt 611. The meshing of the side gear 609 and the external gear 606 drives the second filter cover 605 to rotate. The rotational power of the second filter cover 605 can be generated by the oil discharge itself, and the centrifugal force is used to further enhance the separation of oil and impurities and improve the impurity removal efficiency.

[0083] By rotating the bottom cover 612, the stopper disc 614 and screw block 613 can be pulled out from the lower port of the bottom chamber 601, thereby enabling the processing of impurities in the second filter cover 605.

[0084] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A low-noise and smooth planetary gear reducer, comprising a main body (1), wherein the main body (1) comprises a main body compartment (101), wherein a front cover (102) is fixedly fastened to one side of the main body compartment (101), and a rear cover (103) is fixedly fastened to the other side of the main body compartment (101); A toothed ring (104) is fixedly connected to the middle of the inner wall of the main body compartment (101), and a discharge assembly is provided on the lower wall of the main body compartment (101). A tailstock mechanism (2) is provided on one side of the main body mechanism (1); An oil delivery mechanism (3) is provided on the other side of the main body (1); Its features are: An oil injection assembly is provided between the main body mechanism (1) and the tailstock mechanism (2). The oil injection assembly includes an oil tank mechanism (4). The oil tank mechanism (4) is connected at equal intervals to nozzle mechanisms (5) that are inserted into the main body chamber (101). The fuel tank mechanism (4) includes a fuel tank (401), a cover (402) is fixedly snapped on one side of the fuel tank (401), the cover (402) is fixedly connected to the rear cover (103), an input component is provided on one side of the upper wall of the fuel tank (401), and a connecting component is provided inside the fuel tank (401). Each of the nozzle mechanisms (5) includes a head chamber (501), and a receiving seat (506) is fixedly connected to the outer edge of one side surface of the head chamber (501) at equal intervals. A chamber plate (507) is movably hinged to the receiving seat (506) via a torsion spring shaft. A bellows pipe (508) is fixedly connected between the chamber plate (507) and the head chamber (501). A nozzle (509) is fixedly connected to one side of the chamber plate (507).

2. The low-noise, smooth-running planetary gear reducer according to claim 1, characterized in that: The discharge assembly includes two oil leakage holes (105), and the lower wall of the main body chamber (101) is provided with oil leakage holes (105). The two oil leakage holes (105) are located on both sides of the gear ring (104), and the upper ends of the two oil leakage holes (105) are rounded. The lower ends of the two oil leakage holes (105) are connected to an oil leakage pipe (106), the lower end of the oil leakage pipe (106) is expanded outward, and a first electric valve (107) is fixedly installed on the oil leakage pipe (106).

3. The low-noise, smooth-running planetary gear reducer according to claim 1, characterized in that: The tailstock mechanism (2) includes a tailstock (201) fixedly connected to the oil tank (401). A turntable (202) is movably embedded in the middle of the end wall of the tailstock (201) through a bearing. A sleeve (203) is fixedly connected to the middle of one side of the turntable (202). A main shaft (204) for inserting the oil tank mechanism (4) is fixedly connected to the middle of the other side of the turntable (202). One end of the main shaft (204) is inserted into the main body compartment (101) and fixedly connected to a sun gear (205) flush with the gear ring (104).

4. The low-noise, smooth-running planetary gear reducer according to claim 1, characterized in that: The oil delivery mechanism (3) includes an oil delivery shaft (301) that is movably inserted into the front cover (102) via a bearing. A coaxial shaft disk (302) is fixedly connected to one side of the oil delivery shaft (301). A ring-shaped planetary shaft (303) is fixedly connected to one side of the shaft disk (302) at equal and even intervals. One end of the planetary shaft (303) is inserted into the main body compartment (101) and is movably sleeved with a planetary gear (304) via a bearing. The planetary gear (304) meshes with the gear ring (104) and the sun gear (205). One end of the planetary axis (303) extends out of the planetary gear (304) and is beveled.

5. The low-noise, smooth-running planetary gear reducer according to claim 2, characterized in that: The input component includes an oil pipe (403), the upper wall of the oil tank (401) is connected to the oil pipe (403) through it, and the upper end of the oil pipe (403) is fixedly connected to a U-shaped branch pipe (404). The connecting assembly includes a collar (405) that is movably fitted inside the oil tank (401). Rotating plates (406) that fit against the inner wall of the oil tank (401) are fixedly connected to the outer side of the collar (405) at equal intervals. A disc (407) that penetrates the tank cover (402) is fixedly connected to one side of the collar (405). The side wall of the disc (407) facing the collar (405) has slots (408) that are evenly connected at equal intervals. The slots (408) correspond to the two rotating plates (406). The side wall of the disc (407) facing away from the collar (405) has second electric valves (409) arranged in a ring at equal intervals. The second electric valves (409) are connected to the head compartment (501).

6. The low-noise, smooth planetary gear reducer according to claim 4, characterized in that: The head chamber (501) has a recessed groove (502) in the middle of one side surface. A plug (503) is adapted to be inserted into the groove (502). A vibrating head (504) is fixedly connected to one end of the plug (503). The end of the vibrating head (504) away from the plug (503) is rounded. A spring (505) is fixedly connected between the vibrating head (504) and the head chamber (501) and is wound around the plug (503). A side rod (510) perpendicular to the nozzle (509) is fixedly connected to the other side of the tray (507). A spherical abutment ball (511) is fixedly connected to the end of the side rod (510). The spherical abutment ball (511) fits against the outer edge of the end of the vibrating head (504) near the insertion post (503). A protective cover (512) is connected between the head chamber (501) and the vibrating head (504), and the nozzle (509) penetrates the protective cover (512).

7. The low-noise, smooth-running planetary gear reducer according to claim 5, characterized in that: Below the discharge assembly is a circulation mechanism (6) for oil circulation. The circulation mechanism (6) includes a bottom chamber (601). The lower end of the oil leakage pipe (106) is fixedly sleeved on the upper wall of the bottom chamber (601). A circulation pipe (602) is fixedly connected between the lower part of the bottom chamber (601) and one end of the branch pipe (404). An oil pump (603) is installed on the circulation pipe (602). The upper side of the interior of the bottom compartment (601) is provided with a first filter cover (604). The lower port of the oil leakage pipe (106) is fixedly sleeved on the upper wall of the first filter cover (604). The lower end of the first filter cover (604) is movably connected to a second filter cover (605) through a bearing. The lower part of the second filter cover (605) is inwardly recessed. An external gear (606) is fixedly sleeved on the outer side of the lower port of the second filter cover (605). A shaft (607) is inserted through the inner side of the first filter cover (604), and a plate wheel (608) is fixedly sleeved in the middle of the shaft (607). One side of the plate wheel (608) is directly opposite the lower port of the oil leakage pipe (106). The external gear (606) is perpendicularly meshed with a side gear (609), and a wheel axle (610) is fixedly connected through the middle of the side gear (609). The wheel axle (610) is movably connected to the bottom chamber (601) through a bearing. A belt (611) is sleeved between the wheel axle (610) and the shaft (607). The lower end of the second filter cover (605) is attached to the lower wall of the bottom chamber (601). A bottom cover (612) is provided on the lower side of the bottom chamber (601). A screw block (613) that penetrates and screws into the lower wall of the bottom chamber (601) is fixedly connected to the middle of the upper surface of the bottom cover (612). A plug disc (614) that is adapted to fit and fasten to the lower end of the second filter cover (605) is movably connected to the upper surface of the screw block (613) through a bearing.

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