Driving harrow gearbox

Abstract

The invention discloses a driving harrow gearbox, which relates to the technical field of gearboxes, and adopts the technical scheme that the driving harrow gearbox comprises a box body, a box cover is mounted on one side of the box body, an input shaft is connected into the box body through a bearing, an output shaft is connected into the box body through a bearing, and the output shaft and the input shaft both penetrate through the box cover and are connected with the box cover through bearings; a variable-speed docking mechanism is arranged in the box body; a lubricating oil treatment mechanism is arranged at the bottom of the box body The speed change butt joint mechanism comprises a plurality of fixing plates, the fixing plates are fixedly arranged in the box body, and one side of each fixing plate is connected with a movable gear through a bearing, and the speed change butt joint mechanism has the beneficial effects that flexible and stable connection between the movable gears and the rotating wheels is achieved through cooperation of the sliding balls and the butt joint sleeves; therefore, friction and abrasion in the gear shifting process are reduced, closer matching of parts is achieved, friction force in the gear shifting and transmission process is reduced, energy consumption is reduced, abrasion of the parts is relieved, and continuous purification and recycling of lubricating oil are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of gearboxes, and in particular to a driving rake gearbox. Background Art

[0002] A power harrow is a machine that uses the power output shaft of a tractor to drive the working parts through a universal joint drive shaft and a transmission system to perform soil crushing and land preparation operations in dry fields. It is a high-quality and efficient land preparation machine that integrates soil crushing, land leveling and suppression functions.

[0003] Existing gearboxes have insufficient lubrication or insufficient fit between components, which results in greater friction during gear shifting and transmission. This not only increases energy consumption, but also accelerates the wear of parts and shortens the service life of the gearbox. The wear of internal parts of the gearbox also increases significantly during the gear shifting process. In the long run, this wear will lead to reduced performance of the gearbox or even failure. The gearbox also has deficiencies in lubricant utilization and filtration. Impurities and wear products inside the gearbox may not be filtered out in time, further aggravating the wear of parts and the failure rate of the gearbox. Summary of the invention

[0004] To this end, the present invention provides a driving rake gearbox to solve the problem that the gearbox generates large friction during the gear shifting and transmission process due to the insufficient fit between the various components or insufficient lubrication, which not only increases energy consumption, but also accelerates the wear of parts and shortens the service life of the gearbox. The wear of the internal parts of the gearbox during the speed shifting process is also significantly increased. In the long run, this wear will cause the performance of the gearbox to decline or even malfunction. The gearbox is also insufficient in lubricating oil utilization and filtration. Impurities and wear products inside the gearbox may not be filtered out in time, further aggravating the wear of parts and the failure rate of the gearbox.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a driving rake gearbox, comprising a box body, a box cover is installed on one side of the box body, an input shaft is connected to the box body through a bearing, an output shaft is connected to the box body through a bearing, the output shaft and the input shaft both pass through the box cover and are connected to the box cover through a bearing, a speed change docking mechanism is provided inside the box body, and a lubricating oil processing mechanism is provided at the bottom of the box body;

[0006] The speed change docking mechanism includes multiple fixed plates, multiple fixed plates are fixedly arranged inside the box body, multiple fixed plates are connected to movable gears on one side through bearings, the movable gear is sleeved on the outside of the input shaft, and multiple driven gears are fixedly sleeved on the outside of the output shaft, and the multiple driven gears are respectively meshed with the multiple movable gears, the input shaft is fixedly sleeved on the outside with two square sleeves, and the two square sleeves are sleeved on the outside with rotating wheels, the square sleeves are slidably connected with the rotating wheels, and the rotating wheels are provided with multiple docking grooves, multiple docking plates are fixedly arranged on one side of the rotating wheel, multiple positioning rods are fixedly arranged on one side of the movable gear, and multiple positioning rods are sleeved on the outside with docking sleeves, a second spring is arranged inside the docking sleeve, and a sliding ball is arranged on one side of the docking sleeve, and the two rotating wheels are provided with shifting rings on the outside through bearing sleeves, one of the shifting rings is fixedly provided with a support plate on one side, and a first electric push rod is fixedly provided on one side of the box body, and the output end of the first electric push rod extends into the inside of the box body and is fixedly connected to the support plate.

[0007] Preferably, a square plate is fixedly provided on one side of the other dial ring, two side slides are fixedly provided on one side of the square plate, a square groove is opened on the square plate, a telescopic rod is fixedly provided on the other side of the square plate, the telescopic rod is fixedly connected to the inner wall of the box cover, a first spring is fixedly provided on the outer fixed sleeve of the telescopic rod, a round rod is fixedly provided inside the box body, the round rod is fixedly connected to the box cover, the round rod passes through the side slides and is slidably connected to the side slides, a first electric push rod is fixedly provided on one side of the box body, a support plate is fixedly provided on the output end of the first electric push rod, a third electric push rod is fixedly provided on the bottom of the support plate, and a block is fixedly connected to the output end of the third electric push rod.

[0008] Preferably, the lubricating oil processing mechanism includes a partition, the partition is fixedly arranged inside the box body, a connecting shell is fixedly arranged at the bottom of the box body, two oil drain shells are fixedly arranged at the bottom of the partition, oil filter cylinders are fixedly arranged at the bottom of the two oil drain shells, an oil collecting box is fixedly arranged inside the connecting shell, the oil filter cylinder passes through the oil collecting box, the oil drain shell passes through the oil collecting box, a reciprocating screw is connected to the inside of the box body through a bearing, one end of the reciprocating screw is connected to the inner wall of the box cover through a bearing, the other end of the reciprocating screw is fixedly connected to a fourth gear, a sliding plate is sleeved on the outside of the reciprocating screw, the reciprocating screw and the sliding plate are connected through a ball screw pair, and the A limit rod is fixedly provided inside the box body, one end of the limit rod is connected to the inner wall of the box cover through a bearing, the limit rod passes through the sliding plate and is slidably connected to the sliding plate, a piston is fixedly provided on one side of the sliding plate, the piston extends into the oil filter cartridge, a motor is fixedly provided on one side of the connecting shell, a transmission shaft is fixedly connected to the output end of the square sleeve, a turntable is fixedly connected to one end of the transmission shaft, the turntable is in contact with the oil filter cartridge, a baffle is fixedly provided inside the connecting shell, the baffle is in contact with the oil filter cartridge, a second electric push rod is fixedly provided on one side of the connecting shell, a push plate is fixedly connected to the output end of the second electric push rod, and a partition assembly is provided on one side of the oil discharge housing.

[0009] Preferably, the baffle assembly includes a transverse plate, one side of the transverse plate extends into the oil drain housing, a sliding rod is fixedly provided on the other side of the transverse plate, a circular plate is fixedly sleeved on the outside of the sliding rod, a sleeve is provided at one end of the sliding rod, the sliding rod extends into the interior of the sleeve, a third spring is provided inside the sleeve, the sleeve is fixedly connected to the inner wall of the housing, connecting plates are fixedly provided on both sides of the sliding plate, and the sliding rod passes through the connecting plate and is slidably connected to the connecting plate.

[0010] Preferably, a collection box is provided inside the connecting shell.

[0011] Preferably, the input shaft is provided with a first gear on the external fixed sleeve, a connecting rod is connected to one side of the housing through a bearing, the connecting rod is provided with a second gear on the external fixed sleeve, the second gear is meshed with the first gear, the output shaft is provided with a third gear through a bearing sleeve on the outside, the second gear is meshed with the third gear, and the reciprocating screw is provided with a fourth gear on the external fixed sleeve, the fourth gear is meshed with the third gear.

[0012] Preferably, a connecting pipe is fixedly provided at the bottom of the oil collecting box, the connecting pipe passes through the connecting shell, an oil tank is fixedly provided on the top of the box body, a plurality of oil filling nozzles are fixedly provided at the bottom of the oil tank, the oil filling nozzles extend into the interior of the box body, a pump is fixedly provided on the top of the oil tank, the input end of the pump is fixedly connected to the connecting pipe, and the output end of the pump extends into the interior of the oil tank.

[0013] Preferably, a plurality of filter holes are provided on the outside of the oil collecting box.

[0014] Preferably, two through holes are formed on the top of the partition, and the through holes are connected to the oil drain housing.

[0015] The embodiments of the present invention have the following advantages:

[0016] 1. Through the innovative design of the speed change docking mechanism, the cooperation of the sliding ball and the docking sleeve realizes a flexible and stable connection between the movable gear and the rotating wheel, thereby reducing the friction and wear during the gear shifting process, achieving a tighter fit of the components, reducing the friction during the gear shifting and transmission process, thereby reducing energy consumption and slowing down the wear of parts. The precise meshing of the movable gear and the driven gear in the speed change docking mechanism, as well as the shifting mechanism realized by the electric push rod and the shifting ring, improve the accuracy and efficiency of the speed change;

[0017] 2. The design of the lubricating oil treatment mechanism, including components such as the oil filter cartridge, oil collecting box and piston, effectively filters impurities in the lubricating oil, improves the cleanliness and service life of the lubricating oil, and continuously pushes the impurities in the oil filter cartridge through the reciprocating motion of the reciprocating screw and the piston, and discharges them through the turntable and the push plate, thereby realizing the continuous purification and reuse of the lubricating oil. The setting of the lubricating oil reuse system re-transports the filtered lubricating oil to the oil tank through the pump and sprays it on the movable gear through the oil filling nozzle, further reducing the transmission wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0020] Figure 1 The front view of the overall structure provided by the present invention;

[0021] Figure 2 A rear view of the overall structure provided by the present invention;

[0022] Figure 3 A cross-sectional view of the overall structure provided by the present invention;

[0023] Figure 4 A schematic diagram of the internal structure of the box provided by the present invention;

[0024] Figure 5 A three-dimensional diagram of the speed change docking mechanism provided by the present invention;

[0025] Figure 6 A three-dimensional diagram of the lubricating oil treatment mechanism provided by the present invention;

[0026] Figure 7 A partial cross-sectional view of the baffle assembly provided by the present invention;

[0027] Figure 8 The present invention provides Figure 3 A magnified view of the structure of the middle part A;

[0028] Fig. 9 The present invention provides Figure 5 A magnified view of the structure of the middle B section;

[0029] Fig.10 The present invention provides Figure 7 Enlarged view of the structure of section C.

[0030] In the figure: 1, box body; 2, box cover; 3, oil tank; 4, pump; 5, connecting pipe; 6, first electric push rod; 7, round plate; 8, input shaft; 9, first gear; 10, connecting rod; 11, second gear; 12, output shaft; 13, third gear; 14, reciprocating screw; 15, fourth gear; 16, sliding plate; 17, piston; 18, connecting shell; 19, collecting box; 20, oil collecting box; 21, oil filter cartridge; 22, second electric push rod; 23, motor; 24, fixing plate; 25, oil injection nozzle; 26, push plate; 27, transmission shaft; 28, baffle; 29, through hole; 3 0. Limit rod; 31. Partition plate; 32. Square sleeve; 33. Turntable; 34. Third spring; 35. Movable gear; 36. Driven gear; 37. Rotating wheel; 38. Dial ring; 39. Cross plate; 40. Oil drain housing; 41. Connecting plate; 42. Slide rod; 43. Telescopic rod; 44. First spring; 45. Square plate; 46. Round rod; 47. Square groove; 48. Side slide plate; 49. Support plate; 50. Third electric push rod; 51. Block; 52. Sleeve; 53. Positioning rod; 54. Second spring; 55. Docking sleeve; 56. Slide ball; 57. Docking groove; 58. Docking plate. DETAILED DESCRIPTION

[0031] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are 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.

[0032] See attached Figure 1 -Attached Fig.10 The present invention provides a driving rake gearbox, comprising a box body 1, a box cover 2 is installed on one side of the box body 1, an input shaft 8 is connected to the box body 1 through a bearing, an output shaft 12 is connected to the box body 1 through a bearing, the output shaft 12 and the input shaft 8 both pass through the box cover 2 and are connected to the box cover 2 through a bearing, a speed change docking mechanism is provided inside the box body 1, and a lubricating oil processing mechanism is provided at the bottom of the box body 1;

[0033] The speed change docking mechanism includes a plurality of fixed plates 24, and the plurality of fixed plates 24 are fixedly arranged inside the housing 1. One side of the plurality of fixed plates 24 is connected with a movable gear 35 through a bearing. The movable gear 35 is sleeved on the outside of the input shaft 8. The output shaft 12 is sleeved with a plurality of driven gears 36 on the outside. The plurality of driven gears 36 are respectively meshed with the plurality of movable gears 35. The input shaft 8 is sleeved with two square sleeves 32 on the outside. The two square sleeves 32 are sleeved with a rotating wheel 37 on the outside. The square sleeves 32 are slidably connected with the rotating wheel 37. The rotating wheel 37 has a plurality of docking A plurality of butt plates 58 are fixedly arranged on one side of the rotating wheel 37, a plurality of positioning rods 53 are fixedly arranged on one side of the movable gear 35, a butt sleeve 55 is sleeved on the outside of the plurality of positioning rods 53, a second spring 54 is arranged inside the butt sleeve 55, a sliding ball 56 is arranged on one side of the butt sleeve 55, a shift ring 38 is arranged on the outside of the two rotating wheels 37 through a bearing sleeve, a support plate 49 is fixedly arranged on one side of one of the shift rings 38, a first electric push rod 6 is fixedly arranged on one side of the housing 1, an output end of the first electric push rod 6 extends into the housing 1 and is fixedly connected to the support plate 49;

[0034] In this embodiment, the input shaft 8 is controlled to rotate by the power source, the input shaft 8 drives the square sleeve 32 to rotate, the square sleeve 32 drives the rotating wheel 37 to rotate, and it is in a neutral state at this time. By starting the first electric push rod 6, the first electric push rod 6 controls the support plate 49 to move, the support plate 49 drives the dial ring 38 to move, the dial ring 38 drives the rotating wheel 37 to move, the rotating wheel 37 contacts the sliding ball 56, the sliding ball 56 rolls on one side of the docking sleeve 55, and at the same time, the docking sleeve 55 moves the second spring 54 inside it to be compressed, and after the docking plate 58 contacts the docking sleeve 55, the rotating wheel 37 controls the movable gear 35 connected to the docking sleeve 55 and the positioning rod 53 to rotate through the docking plate 58, until the docking sleeve 55 is inserted into the docking groove 57 to achieve stable docking, the rotating wheel 37 drives the movable gear 35 to rotate, the movable gear 35 drives the driven gear 36 to rotate, the driven gear 36 drives the output shaft 12 to rotate, the output shaft 12 is connected to the driving rake to rotate, and the purpose of speed adjustment can be achieved at the same time;

[0035] Among them, in order to achieve the purpose of shifting, the present device adopts the following technical solutions: a square plate 45 is fixedly provided on one side of the other shifting ring 38, two side slide plates 48 are fixedly provided on one side of the square plate 45, a square groove 47 is provided on the square plate 45, a telescopic rod 43 is fixedly provided on the other side of the square plate 45, the telescopic rod 43 is fixedly connected to the inner wall of the box cover 2, a first spring 44 is fixedly sleeved on the outside of the telescopic rod 43, a round rod 46 is fixedly provided inside the box body 1, the round rod 46 is fixedly connected to the box cover 2, the round rod 46 passes through the side slide plates 48 and is slidably connected to the side slide plates 48, a first electric push rod 6 is fixedly provided on one side of the box body 1, the The output end of the first electric push rod 6 is fixedly connected to a support plate 49, and a third electric push rod 50 is fixedly provided at the bottom of the support plate 49. A clamping block 51 is fixedly connected to the output end of the third electric push rod 50. By starting the third electric push rod 50, the third electric push rod 50 controls the clamping block 51 to move upward, and the clamping block 51 is inserted into the square groove 47. Then the first electric push rod 6 is started, and the first electric push rod 6 controls the support plate 49 and the clamping block 51 to move. The clamping block 51 controls the square plate 45 to move, and the square plate 45 drives the dial ring 38 outside the other rotating wheel 37 to move, thereby controlling the movement of the rotating wheel 37, so that the rotating wheel 37 is docked with the movable gear 35, and the purpose of speed adjustment is achieved;

[0036] Among them, in order to achieve the purpose of lubricating oil treatment, the present device is implemented by the following technical solutions: the lubricating oil treatment mechanism includes a partition 31, the partition 31 is fixedly arranged inside the box body 1, a connecting shell 18 is fixedly arranged at the bottom of the box body 1, two oil drain shells 40 are fixedly arranged at the bottom of the partition 31, and oil filter cylinders 21 are fixedly arranged at the bottom of the two oil drain shells 40, an oil collecting box 20 is fixedly arranged inside the connecting shell 18, the oil filter cylinder 21 passes through the oil collecting box 20, and the oil drain shell 40 passes through the oil collecting box 20, a reciprocating screw 14 is connected to the inside of the box body 1 through a bearing, one end of the reciprocating screw 14 is connected to the inner wall of the box cover 2 through a bearing, and the other end of the reciprocating screw 14 is fixedly connected to the fourth gear 15, and the reciprocating screw A sliding plate 16 is sleeved on the outside of 14, and the reciprocating screw rod 14 is connected to the sliding plate 16 through a ball screw pair. A limit rod 30 is fixedly provided inside the box body 1, and one end of the limit rod 30 is connected to the inner wall of the box cover 2 through a bearing. The limit rod 30 penetrates the sliding plate 16 and is slidably connected to the sliding plate 16. A piston 17 is fixedly provided on one side of the sliding plate 16, and the piston 17 extends into the oil filter cartridge 21. A motor 23 is fixedly provided on one side of the connecting shell 18. A transmission shaft 27 is fixedly connected to the output end of the square sleeve 32, and a turntable 33 is fixedly connected to one end of the transmission shaft 27. The turntable 33 contacts the oil filter cartridge 21. A baffle 28 is fixedly provided inside the connecting shell 18, and the baffle 28 contacts the oil filter cartridge 21. A second electric push rod 22 is fixedly provided on one side of the connecting shell 18, and a push plate 26 is fixedly connected to the output end of the second electric push rod 22. A baffle assembly is provided on one side of the oil drain housing 40. A plurality of filter holes are provided on the outside of the oil collecting box 20. Two through holes 29 are provided on the top of the partition 31. The through holes 29 are connected to the oil drain housing 40. The lubricating oil inside the box body 1 drips onto the partition 31 and enters the oil drain housing 40 through the through holes 29. The lubricating oil enters the oil filter cartridge 21 through the oil drain housing 40, and the lubricating oil is filtered by the oil filter cartridge 21, and impurities in the used lubricating oil are left inside the oil filter cartridge 21. The filtered lubricating oil falls into the oil collecting box 20. The telescopic rod 43 and the first spring 44 on one side of the square plate 45 are compressed to facilitate the rotation of the rotating wheel 37. The input shaft 8 rotates to control the second gear 11 to rotate, the second gear 11 controls the third gear 13 to rotate, the third gear 13 drives the fourth gear 15 to rotate, the fourth gear 15 drives the reciprocating screw 14 to rotate, the reciprocating screw 14 drives the sliding plate 16 to move and perform reciprocating motion, the sliding plate 16 drives the piston 17 to move, the piston 17 moves toward the inside of the oil filter cartridge 21 to push the impurities inside the oil filter cartridge 21 to move, the piston 17 pushes the impurities into the turntable 33, the motor 23 is started, the motor 23 controls the transmission shaft 27 to rotate, the transmission shaft 27 drives the turntable 33 to rotate, the turntable 33 drives the impurities to move to the bottom, and then the second electric push rod 22 is started, the second electric push rod 22 controls the push plate 26 to move, and the push plate 26 pushes the impurities in the turntable 33 out;

[0037] The device is implemented by the following technical scheme in order to achieve the purpose of isolation: the isolation assembly includes a transverse plate 39, one side of the transverse plate 39 extends into the interior of the oil discharge housing 40, the other side of the transverse plate 39 is fixedly provided with a slide bar 42, the outside of the slide bar 42 is fixedly sleeved with a circular plate 7, one end of the slide bar 42 is provided with a sleeve 52, the slide bar 42 extends into the interior of the sleeve 52, the interior of the sleeve 52 is provided with a third spring 34, the sleeve 52 is fixedly connected to the inner wall of the box body 1, both sides of the sliding plate 16 are fixedly provided with connecting plates 41, the slide bar 42 penetrates the connecting plate 41 and is slidably connected to the connecting plate 41, the connecting plates 41 connected on both sides of the sliding plate 16 also move, so that the connecting plate 41 no longer blocks the circular plate 7, the third spring 34 inside the sleeve 52 rebounds and pushes the slide bar 42 to move, so that the slide bar 42 pushes the transverse plate 39 to move, the transverse plate 39 is inserted into the interior of the oil discharge housing 40 and blocks the oil discharge housing 40, so that the lubricating oil no longer flows into the interior of the oil filter cartridge 21 through the oil discharge housing 40;

[0038] In order to achieve the purpose of cleaning, the device is implemented by the following technical solution: a collection box 19 is provided inside the connection shell 18, and impurities are collected in the collection box 19 for easy cleaning;

[0039] Among them, in order to achieve the purpose of transmission, the device is implemented by the following technical solutions: the input shaft 8 is provided with a first gear 9 on the outside of the fixed sleeve, the box body 1 is connected to a connecting rod 10 on one side through a bearing, the connecting rod 10 is provided with a second gear 11 on the outside of the fixed sleeve, the second gear 11 is meshed with the first gear 9, the output shaft 12 is provided with a third gear 13 on the outside through a bearing sleeve, the second gear 11 is meshed with the third gear 13, the reciprocating screw rod 14 is provided with a fourth gear 15 on the outside of the fixed sleeve, the fourth gear 15 is meshed with the third gear 13, the input shaft 8 rotates to control the second gear 11 to rotate, the second gear 11 controls the third gear 13 to rotate, the third gear 13 drives the fourth gear 15 to rotate, and the fourth gear 15 drives the reciprocating screw rod 14 to rotate;

[0040] Among them, in order to achieve the purpose of recycling lubricating oil, the present device is implemented by adopting the following technical scheme: a connecting pipe 5 is fixedly provided at the bottom of the oil collecting box 20, and the connecting pipe 5 passes through the connecting shell 18; an oil tank 3 is fixedly provided on the top of the box body 1; a plurality of oiling nozzles 25 are fixedly provided at the bottom of the oil tank 3, and the oiling nozzles 25 extend into the interior of the box body 1; a pump 4 is fixedly provided on the top of the oil tank 3, and the input end of the pump 4 is fixedly connected to the connecting pipe 5, and the output end of the pump 4 extends into the oil tank 3. When the pump 4 is started, the connecting pipe 5 transports the lubricating oil in the oil collecting box 20 to the oil tank 3 and sprays the lubricating oil on the movable gear 35 again through the oiling nozzle 25, thereby reducing transmission wear and improving the utilization rate of the lubricating oil.

[0041] The use process of the present invention is as follows: when using the present invention, the input shaft 8 is controlled to rotate by the power source, the input shaft 8 drives the square sleeve 32 to rotate, the square sleeve 32 drives the rotating wheel 37 to rotate, and it is in a neutral state at this time. By starting the first electric push rod 6, the first electric push rod 6 controls the support plate 49 to move, the support plate 49 drives the dial ring 38 to move, the dial ring 38 drives the rotating wheel 37 to move, the rotating wheel 37 contacts the sliding ball 56, the sliding ball 56 rolls on one side of the docking sleeve 55, and at the same time, the docking sleeve 55 moves the second spring 54 inside it to be compressed. After the docking plate 58 contacts the docking sleeve 55, the rotating wheel 37 controls the movable gear 35 connected to the docking sleeve 55 and the positioning rod 53 to rotate through the docking plate 58 until the docking sleeve 55 is inserted into the docking groove 57. After achieving stable docking, the rotating wheel 37 drives the movable gear 35 to rotate, the movable gear 35 drives the driven gear 36 to rotate, the driven gear 36 drives the output shaft 12 to rotate, the output shaft 12 is connected to the driving rake to rotate, and the purpose of speed adjustment can be achieved at the same time. By starting the third electric push rod 50, the third electric push rod 50 controls the block 51 to move up, the block 51 is inserted into the square groove 47, and then the first electric push rod 6 is started, the first electric push rod 6 controls the support plate 49 and the block 51 to move, the block 51 controls the square plate 45 to move, and the square plate 45 drives the dial ring 38 outside the other rotating wheel 37 to move, thereby controlling the movement of the rotating wheel 37, so that the rotating wheel 37 and the movable gear 35 are docked, and the purpose of speed adjustment is achieved. The lubricating oil inside the box body 1 drips on the partition The lubricating oil enters the oil filter cartridge 21 through the through hole 29 on the square plate 45, and the lubricating oil enters the oil filter cartridge 21 through the oil drain housing 40. The lubricating oil is filtered by the oil filter cartridge 21, and the impurities in the used lubricating oil are left inside the oil filter cartridge 21. The filtered lubricating oil falls into the oil collecting box 20. The telescopic rod 43 and the first spring 44 on one side of the square plate 45 are compressed to facilitate the resetting of the rotating wheel 37. The input shaft 8 rotates to control the second gear 11 to rotate, the second gear 11 controls the third gear 13 to rotate, the third gear 13 drives the fourth gear 15 to rotate, the fourth gear 15 drives the reciprocating screw 14 to rotate, the reciprocating screw 14 drives the sliding plate 16 to move to do reciprocating motion, the sliding plate 16 drives the piston 17 to move, and the piston 17 moves to the inside of the oil filter cartridge 21 to push the oil filter cartridge 21, and at the same time, the connecting plates 41 connected on both sides of the sliding plate 16 also move, so that the connecting plates 41 no longer block the circular plate 7, and the third spring 34 inside the sleeve 52 rebounds and pushes the sliding rod 42 to move, so that the sliding rod 42 pushes the cross plate 39 to move, and the cross plate 39 is inserted into the oil discharge housing 40 and blocks the oil discharge housing 40, so that the lubricating oil no longer flows into the oil filter cartridge 21 through the oil discharge housing 40, and the piston 17 pushes the impurities into the rotating disk 33. When the piston 17 moves in the opposite direction, the piston 17 drives the sliding plate 16 to move, the sliding plate 16 drives the connecting plate 41 to move, the connecting plate 41 drives the circular plate 7 to move, the circular plate 7 drives the sliding rod 42 to move, and the sliding rod 42 drives the cross plate 39 to move, so that the channel of the oil discharge housing 40 is opened to continue to transport the lubricating oil.The slide bar 42 compresses the third spring 34, and the piston 17 reciprocates and continuously pushes the impurities into the turntable 33, and the motor 23 is started. The motor 23 controls the transmission shaft 27 to rotate, and the transmission shaft 27 drives the turntable 33 to rotate, and the turntable 33 drives the impurities to the bottom, and then the second electric push rod 22 is started, and the second electric push rod 22 controls the push plate 26 to move, and the push plate 26 pushes the impurities in the turntable 33 out, and the impurities are collected in the collection box 19 for easy cleaning.

[0042] The above is only a preferred embodiment of the present invention. Any person skilled in the art may modify the present invention by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A drive rake gearbox, comprising a housing (1), characterized in that: A box cover (2) is installed on one side of the box body (1); an input shaft (8) is connected to the box body (1) via a bearing; an output shaft (12) is connected to the box body (1) via a bearing; both the output shaft (12) and the input shaft (8) pass through the box cover (2) and are connected to the box cover (2) via bearings; a speed change docking mechanism is provided inside the box body (1); and a lubricating oil processing mechanism is provided at the bottom of the box body (1); The speed change docking mechanism comprises a plurality of fixed plates (24), the plurality of fixed plates (24) are fixedly arranged inside the housing (1), one side of the plurality of fixed plates (24) is connected to a movable gear (35) through a bearing, the movable gear (35) is sleeved on the outside of the input shaft (8), the output shaft (12) is sleeved with a plurality of driven gears (36) on the outside, the plurality of driven gears (36) are respectively meshed with the plurality of movable gears (35), the input shaft (8) is sleeved with two square sleeves (32) on the outside, the two square sleeves (32) are sleeved with a rotating wheel (37) on the outside, the square sleeves (32) are slidably connected to the rotating wheel (37), and the rotating wheel (37) is provided with a plurality of docking grooves ( 57), a plurality of docking plates (58) are fixedly provided on one side of the rotating wheel (37), a plurality of positioning rods (53) are fixedly provided on one side of the movable gear (35), a docking sleeve (55) is sleeved on the outside of the plurality of positioning rods (53), a second spring (54) is provided inside the docking sleeve (55), a sliding ball (56) is provided on one side of the docking sleeve (55), a shifting ring (38) is provided on the outside of the two rotating wheels (37) through a bearing sleeve, a support plate (49) is fixedly provided on one side of one of the shifting rings (38), a first electric push rod (6) is fixedly provided on one side of the housing (1), an output end of the first electric push rod (6) extends into the interior of the housing (1) and is fixedly connected to the support plate (49).

2. A driving rake gearbox according to claim 1, characterized in that: A square plate (45) is fixedly provided on one side of the other dial ring (38), two side slide plates (48) are fixedly provided on one side of the square plate (45), a square groove (47) is provided on the square plate (45), a telescopic rod (43) is fixedly provided on the other side of the square plate (45), the telescopic rod (43) is fixedly connected to the inner wall of the box cover (2), a first spring (44) is fixedly sleeved on the outside of the telescopic rod (43), a round rod (46) is fixedly provided inside the box body (1), the round rod (46) is fixedly connected to the box cover (2), the round rod (46) passes through the side slide plates (48) and is slidably connected to the side slide plates (48), a first electric push rod (6) is fixedly provided on one side of the box body (1), an output end of the first electric push rod (6) is fixedly connected to a support plate (49), a third electric push rod (50) is fixedly provided at the bottom of the support plate (49), and an output end of the third electric push rod (50) is fixedly connected to a clamping block (51).

3. A driving rake gearbox according to claim 1, characterized in that: The lubricating oil processing mechanism comprises a partition (31), the partition (31) is fixedly arranged inside the box body (1), a connecting shell (18) is fixedly arranged at the bottom of the box body (1), two oil drain housings (40) are fixedly arranged at the bottom of the partition (31), an oil filter cartridge (21) is fixedly arranged at the bottom of the two oil drain housings (40), an oil collecting box (20) is fixedly arranged inside the connecting shell (18), the oil filter cartridge (21) penetrates the oil collecting box (20), and the oil drain The housing (40) passes through the oil collecting box (20); a reciprocating screw (14) is connected to the inside of the housing (1) via a bearing; one end of the reciprocating screw (14) is connected to the inner wall of the housing cover (2) via a bearing; the other end of the reciprocating screw (14) is fixedly connected to a fourth gear (15); a sliding plate (16) is sleeved on the outside of the reciprocating screw (14); the reciprocating screw (14) and the sliding plate (16) are connected via a ball screw pair; the inside of the housing (1) is fixedly A limiting rod (30) is provided, one end of the limiting rod (30) is connected to the inner wall of the box cover (2) through a bearing, the limiting rod (30) penetrates the sliding plate (16) and is slidably connected to the sliding plate (16), a piston (17) is fixedly provided on one side of the sliding plate (16), and the piston (17) extends into the interior of the oil filter cylinder (21), a motor (23) is fixedly provided on one side of the connecting shell (18), and a transmission shaft (27) is fixedly connected to the output end of the square sleeve (32). A rotating disk (33) is fixedly connected to one end of the transmission shaft (27), and the rotating disk (33) is in contact with the oil filter cartridge (21). A baffle plate (28) is fixedly provided inside the connecting shell (18), and the baffle plate (28) is in contact with the oil filter cartridge (21). A second electric push rod (22) is fixedly provided on one side of the connecting shell (18), and a push plate (26) is fixedly connected to the output end of the second electric push rod (22). A baffle assembly is provided on one side of the oil discharge housing (40).

4. A driving rake gearbox according to claim 3, characterized in that: The baffle assembly includes a transverse plate (39), one side of which extends into the interior of the oil discharge housing (40), and a slide rod (42) is fixedly provided on the other side of the transverse plate (39). A circular plate (7) is fixedly sleeved on the exterior of the slide rod (42). A sleeve (52) is provided at one end of the slide rod (42), and the slide rod (42) extends into the interior of the sleeve (52). A third spring (34) is provided inside the sleeve (52), and the sleeve (52) is fixedly connected to the inner wall of the box body (1). Connecting plates (41) are fixedly provided on both sides of the sliding plate (16), and the slide rod (42) passes through the connecting plate (41) and is slidably connected to the connecting plate (41).

5. A driving rake gearbox according to claim 3, characterized in that: A collecting box (19) is provided inside the connecting shell (18).

6. A driving rake gearbox according to claim 3, characterized in that: A first gear (9) is provided on the external fixed sleeve of the input shaft (8); a connecting rod (10) is connected to one side of the housing (1) via a bearing; a second gear (11) is provided on the external fixed sleeve of the connecting rod (10); the second gear (11) is meshed with the first gear (9); a third gear (13) is provided on the external side of the output shaft (12) via a bearing sleeve; the second gear (11) is meshed with the third gear (13); a fourth gear (15) is provided on the external fixed sleeve of the reciprocating screw rod (14); the fourth gear (15) is meshed with the third gear (13).

7. A driving rake gearbox according to claim 3, characterized in that: A connecting pipe (5) is fixedly provided at the bottom of the oil collecting box (20), and the connecting pipe (5) passes through the connecting shell (18). An oil tank (3) is fixedly provided at the top of the box body (1), and a plurality of oil injection nozzles (25) are fixedly provided at the bottom of the oil tank (3), and the oil injection nozzles (25) extend into the interior of the box body (1). A pump (4) is fixedly provided at the top of the oil tank (3), and the input end of the pump (4) is fixedly connected to the connecting pipe (5), and the output end of the pump (4) extends into the interior of the oil tank (3).

8. A driving rake gearbox according to claim 3, characterized in that: The oil collecting box (20) is provided with a plurality of filter holes on its exterior.

9. A driving rake gearbox according to claim 3, characterized in that: Two through holes (29) are formed on the top of the partition plate (31), and the through holes (29) are connected to the oil drain housing (40).

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