CN118423410B - Helical gear speed reducing motor - Google Patents
Helical gear speed reducing motor Download PDFInfo
- Publication number
- CN118423410B CN118423410B CN202410853527.2A CN202410853527A CN118423410B CN 118423410 B CN118423410 B CN 118423410B CN 202410853527 A CN202410853527 A CN 202410853527A CN 118423410 B CN118423410 B CN 118423410B
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- oil
- oil pumping
- assembly
- sealing plate
- pumping pipe
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- 239000003921 oil Substances 0.000 claims abstract description 152
- 238000005086 pumping Methods 0.000 claims abstract description 80
- 239000010687 lubricating oil Substances 0.000 claims abstract description 59
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 68
- 239000007788 liquid Substances 0.000 claims description 32
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000005461 lubrication Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 description 14
- 239000000446 fuel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
- F16H1/08—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes the members having helical, herringbone, or like teeth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0458—Oil-mist or spray lubrication; Means to reduce foam formation
- F16H57/046—Oil-mist or spray lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Details Of Gearings (AREA)
Abstract
The application discloses a helical gear speed reducing motor, which relates to the field of speed reducing motors and comprises a driving piece and a box body, wherein an input shaft, a middle rotating shaft and an output shaft are rotatably arranged in the box body, a lubricating mechanism is arranged in the box body, the lubricating mechanism comprises a driving component, an oil pumping component and an oil spraying component, the oil pumping component is arranged in the box body, the driving component is arranged on the middle rotating shaft, the oil spraying component is arranged on the oil pumping component, and lubricating oil extracted by the oil pumping component is sprayed at an engagement position of an input pinion and an engagement position of an output pinion through the oil spraying component. According to the application, the lubricating mechanism is utilized, the oil pumping assembly is driven by the driving assembly to pump the lubricating oil at the bottom of the box body when the intermediate shaft rotates, the oil pumping assembly pumps the lubricating oil at the meshing position of the input pinion and the meshing position of the output pinion through the oil spraying assembly, and the lubricating mechanism can pump the lubricating oil at the meshing position of the bevel gear when the driving member is started, so that the abrasion of the bevel gear is reduced, and the service life of the gear motor is prolonged.
Description
Technical Field
The application relates to the field of gear motors, in particular to a helical gear motor.
Background
A gear motor refers to an integrated body of a speed reducer and a motor, which integrated body may also be generally referred to as a gear motor or a gear motor. The speed reducer is generally used for low-rotation-speed high-torque transmission equipment, and smaller torque output by the motor is converted into larger torque through the speed reducer.
At present, the speed reducer comprises a gear box body, a plurality of gear shafts are arranged in the gear box body through bearing rotation, bevel gears are fixedly arranged on the gear shafts, and the effect of reducing rotation speed and increasing torque is achieved through the arrangement of the bevel gears with different diameters. The gear box is internally provided with lubricating oil, the liquid level of the lubricating oil is lower than that of the gear shaft, the lower half part of the bevel gear with larger diameter is positioned in the lubricating oil, and the gear with smaller diameter is not positioned in the lubricating oil. When the bevel gears rotate, lubricating oil can be adhered to the bevel gears with larger diameters and lubricate the meshing positions of the two bevel gears, so that abrasion of the bevel gears is reduced.
Because the smaller diameter gear is not in the lubricating oil, the smaller diameter bevel gear will wear more when the bevel gear rotates. Meanwhile, when the gear motor is not used for a long time, lubricating oil on the bevel gears can drop in the gear box body, at the moment, no lubricating oil is arranged at the meshing positions of the two bevel gears for lubrication, and when the motor is started, abrasion between the bevel gears can be increased, so that the service life of the gear motor is shortened.
Disclosure of Invention
In order to reduce abrasion of a bevel gear and improve the service life of a gear motor, the application provides the bevel gear motor.
The application provides a helical gear speed reducing motor, which adopts the following technical scheme:
the utility model provides a helical gear motor, includes driving piece and box, rotates in the box and is provided with input shaft, well pivot and output shaft, and driving piece is connected with the input shaft, is provided with the input pinion on the input shaft, is provided with the input gear wheel with input pinion meshing in the well pivot, is provided with the output pinion on the output shaft, be provided with lubricated mechanism in the box, lubricated mechanism includes drive assembly, pumping unit and oil spout subassembly, the pumping unit sets up in the box, drive assembly sets up in the well pivot and drives the lubricating oil of pumping unit extraction bottom of the case portion, the oil spout subassembly sets up on the pumping unit, the lubricating oil of pumping unit extraction is through the injection subassembly injection in input pinion meshing department and output pinion meshing department.
Through adopting above-mentioned technical scheme, the driving piece passes through the input shaft and drives the rotation of input pinion, the input pinion passes through the rotation of input gear wheel drive well pivot and accomplish one-level speed reduction, the transfer shaft drives the rotation of input pinion, the output pinion passes through the rotation of output gear wheel drive output shaft and accomplishes the second grade speed reduction, the lubricating oil of pumping assembly extraction bottom half is driven through drive assembly when the transfer shaft rotates, the lubricating oil of pumping assembly extraction is sprayed at input pinion meshing department and output pinion meshing department through the oil spout subassembly, thereby can lubricate less gear, simultaneously, when the driving piece starts, lubrication mechanism can spray lubricating oil at helical gear meshing department, thereby the wearing and tearing of helical gear have been reduced and gear motor's life has been improved.
Preferably, the driving assembly comprises an eccentric wheel, a transmission rod, a support and a connecting rod, wherein the eccentric wheel is arranged on the middle rotating shaft, the support is fixedly arranged in the box body, the transmission rod is rotatably arranged on the support, one end of the transmission rod is abutted to the outer side wall of the eccentric wheel, the connecting rod is rotatably arranged at the other end of the transmission rod, and the connecting rod is connected with the oil pumping assembly.
Through adopting above-mentioned technical scheme, well pivot can drive the eccentric wheel and rotate when rotating, and the eccentric wheel drives the reciprocating swing of transfer line on the support, and the transfer line drives connecting rod reciprocating motion, and reciprocating motion's connection drives the lubricating oil in the pumping assembly extraction box again.
Preferably, the oil pumping assembly comprises an oil pumping pipe, a piston, a first elastic piece, a first baffle, a second baffle, a first sealing plate and a first elastic reset piece, wherein the oil pumping pipe is fixedly arranged in the box body, the bottom end of the oil pumping pipe is positioned below the lubricating oil liquid level, the piston is arranged in the oil pumping pipe in a sliding mode and fixedly connected with the connecting rod, the first baffle is fixedly arranged in the oil pumping pipe and positioned above the piston, the second baffle is fixedly arranged on the connecting rod and positioned right above the first baffle, the first elastic piece is arranged between the first baffle and the second baffle, the first sealing plate is rotatably arranged in the oil pumping pipe and positioned below the piston, the oil injection assembly is arranged on the oil pumping pipe and positioned between the piston and the first sealing plate, and the first elastic reset piece is arranged at the rotary connecting position of the first sealing plate and used for driving the first sealing plate to rotate and reset.
Through adopting above-mentioned technical scheme, first elastic component drives the connecting rod through the second baffle and upwards moves, the connecting rod drives the transfer line and rotates, the lateral wall of eccentric wheel is hugged closely all the time to the tip of transfer line for when the eccentric wheel rotated, the connecting rod can reciprocate from top to bottom, when the connecting rod drives the piston and rises to remove, first shrouding upwards rotates and opens and take out oil pipe, lubricating oil is inhaled and is taken out in the oil pipe, when the connecting rod drives the piston and descends to remove, first elastic reset piece drives first shrouding and rotates downwards and close and take out oil pipe, take out lubricating oil in the oil pipe and be extruded into in the oil spout subassembly, thereby make the oil spout subassembly can spout lubricating oil.
Preferably, the oil injection assembly comprises two oil injection pipes, a second sealing plate and a second elastic reset piece, wherein the oil injection pipes are arranged on the outer side wall of the oil pumping pipe and are communicated with the oil pumping pipe, two ends of the oil injection pipes, which are close to each other, are located between the first sealing plate and the piston, one ends, which are far away from each other, are respectively pointed to the meshing position of the input pinion and the meshing position of the output pinion, two second sealing plates are respectively rotated and arranged at the end parts, which are far away from each other, of the two oil injection pipes, and two second elastic reset pieces are respectively arranged at the rotating connection positions of the two second sealing plates and are used for driving the second sealing plates to rotate and reset.
Through adopting above-mentioned technical scheme, when the connecting rod drove the piston decline and remove, take out the lubricating oil in the oil pipe and be extruded into two spouts oil pipe in, the second shrouding rotates downwards and opens spouts oil pipe, and lubricating oil spouts from spouting oil pipe, and when the connecting rod drove the piston to rise and remove, the second elasticity reset piece drove the second shrouding and upwards rotate and close spouts oil pipe for take out oil pipe can extract lubricating oil smoothly.
Preferably, the eccentric wheel comprises an inner wheel body and an outer wheel ring, the inner wheel body is coaxially and fixedly arranged on the middle rotating shaft, the outer wheel ring is eccentrically and rotatably sleeved on the inner wheel body, an annular groove is formed in the inner peripheral side wall of the outer wheel ring, liquid return plates are arranged on two opposite side walls of the annular groove, low-fluidity liquid is stored in the annular groove, a plurality of paddles are fixedly arranged on the outer peripheral side wall of the inner wheel body at equal intervals, and the paddles are located in the annular groove.
By adopting the technical scheme, when the middle rotating shaft starts to rotate, the middle rotating shaft drives the inner wheel body to rotate quickly, the inner wheel body drives the plurality of paddles to rotate in the annular groove, the paddles can receive larger resistance when rotating in the annular groove due to low-fluidity liquid in the annular groove, and the paddles drive the outer wheel ring to rotate synchronously through the low-fluidity liquid and the liquid return plate, so that lubricating oil can be sprayed when the middle rotating shaft is opened; when the middle rotating shaft stops rotating, the outer wheel ring slowly rotates on the inner wheel body under the action of gravity until the eccentric side of the outer wheel ring rotates to the lower part of the middle rotating shaft. When the middle rotating shaft rotates again, the eccentric wheel immediately drives the piston to move downwards, so that lubricating oil can be sprayed to the bevel gear at the moment of starting the middle rotating shaft.
Preferably, a plurality of inserting blocks are arranged on the side wall of the inner wheel body in a sliding manner at equal intervals along the circumferential direction of the inner wheel body, a plurality of slots are formed in the side wall of the outer wheel rim in an equidistant manner along the circumferential direction of the inner wheel body, a plurality of second elastic pieces are arranged on the side wall of the inner wheel body, the second elastic pieces are located on one side, away from the slots, of the inserting blocks, and the second elastic pieces are respectively connected with the inserting blocks and the inner wheel body.
By adopting the technical scheme, in the process that the intermediate shaft drives the eccentric wheel to rotate, slight relative rotation exists between the inner wheel body and the outer wheel ring, when the intermediate shaft drives the eccentric wheel to rotate, the inner wheel body drives a plurality of inserting blocks to rotate, the centrifugal force of the inserting blocks is larger than the elastic force of the second elastic piece, the inserting blocks move towards the direction far away from the inner wheel body, and in the process that the inner wheel body and the outer wheel ring relatively rotate, the inserting blocks can be inserted into the slots, so that the inner wheel body and the outer wheel ring are limited and fixed, and the eccentric wheel is enabled to rotate more stably; when the middle rotating shaft is about to stop, the rotating speed of the middle rotating shaft is reduced, the centrifugal force of the insert block is smaller than the elastic force of the second elastic piece, and the second elastic piece pulls the insert block to be separated from the slot, so that after the middle rotating shaft stops, the outer rim can slowly rotate until the eccentric side of the outer rim rotates to the lower side of the middle rotating shaft.
Preferably, the section of the liquid return plate along the tangential direction of the inner wheel body is arc-shaped, and the arc-shaped protruding direction faces the rotating direction of the blade.
Through adopting above-mentioned technical scheme, when interior wheel body drove the paddle and rotate, the paddle promotes low mobility liquid and removes in the annular, and low mobility liquid stops the back through the arc liquid return plate and removes towards paddle pivoted opposite direction to can further increase the resistance that the paddle received, the interior wheel body of being convenient for drives outer rim rotation.
Preferably, the inner wall of the oil suction pipe is fixedly provided with a first sealing check ring, the first sealing check ring is located below the first sealing plate, and when the oil suction pipe is closed by the rotation of the first sealing plate, the bottom wall of the first sealing plate is abutted to be attached to the first sealing check ring.
Through adopting above-mentioned technical scheme, first sealing ring can be to the rotation of first shrouding close and fix a position, and the leakproofness when oil pipe is taken out in first shrouding closure has been increased to first sealing ring simultaneously for the oil spout effect of oil spout pipe is better.
Preferably, the end part of the oil injection pipe far away from the oil suction pipe is provided with a second sealing check ring, and when the second sealing plate rotates to close the oil injection pipe, the top wall of the second sealing plate is abutted to be attached to the second sealing check ring.
Through adopting above-mentioned technical scheme, when gear motor stopped using, the laminating of second shrouding butt is in the second sealing collar to increased the leakproofness when the second shrouding closes the oil spout pipe, made the difficult leakage of lubricating oil in the oil spout pipe.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The lubrication mechanism is utilized, the oil pumping assembly is driven by the driving assembly to pump the lubricating oil at the bottom of the box body when the intermediate shaft rotates, and the oil pumping assembly pumps the lubricating oil pumped by the oil spraying assembly to the meshing position of the input pinion and the meshing position of the output pinion, so that smaller gears can be lubricated, and meanwhile, the lubrication mechanism can pump the lubricating oil to the meshing position of the bevel gears when the driving member is started, so that the abrasion of the bevel gears is reduced, and the service life of the gear motor is prolonged;
2. With the help of the paddle, when the middle rotating shaft starts to rotate, the middle rotating shaft drives the inner wheel body to rotate quickly, the inner wheel body drives a plurality of paddles to rotate in the annular groove, the low-fluidity liquid in the annular groove enables the paddles to receive larger resistance when the paddles rotate in the annular groove, the paddles drive the outer wheel ring to rotate synchronously through the low-fluidity liquid and the liquid return plate, so that lubricating oil can be sprayed when the middle rotating shaft is opened, and when the middle rotating shaft stops rotating, the outer wheel ring slowly rotates on the inner wheel body under the action of gravity until the eccentric side of the outer wheel ring rotates to the lower side of the middle rotating shaft. When the middle rotating shaft rotates again, the eccentric wheel immediately drives the piston to move downwards, so that lubricating oil can be sprayed to the bevel gear at the moment of starting the middle rotating shaft;
3. Through inserted block and slot, in the middle of the pivot drive eccentric wheel rotate, in the middle of the pivot drive a plurality of inserted blocks rotate, the centrifugal force of inserted block is greater than the elastic force of second elastic component, the inserted block moves towards keeping away from interior internal body direction, in-process relatively pivoted between interior wheel body and the outer rim, the inserted block can insert in the slot, thereby it is spacing fixed to carry out to interior wheel body and the outer rim, make the eccentric wheel rotate more stable, in the middle of the pivot about to stop, the rotational speed of well pivot reduces, the centrifugal force of inserted block is less than the elastic force of second elastic component, the second elastic component pulls the inserted block and breaks away from the slot, thereby make in the middle of the pivot stop after, outer rim can slowly rotate, until the eccentric side of outer rim rotates to the below of transfer.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a helical gear reduction motor of the present application;
FIG. 2 is a cross-sectional view of a portion of the helical gear reduction motor of the present application showing a lubrication mechanism in a protruding manner;
FIG. 3 is a cross-sectional view of a portion of the helical gear reduction motor of the present application showing the drive assembly and the pumping assembly in a protruded configuration;
FIG. 4 is a cross-sectional view of a portion of the helical gear reduction motor of the present application showing a first sealing collar in a protruding manner, wherein the pumping assembly is in a pumping state;
FIG. 5 is a schematic view of a part of the structure of the helical gear speed reducing motor of the application showing the oil spraying assembly in a protruding manner;
FIG. 6 is an exploded cross-sectional view of a portion of the structure of the helical gear reduction motor of the present application showing the eccentric in a protruding manner;
FIG. 7 is a cross-sectional view of a portion of the helical gear motor of the present application showing the paddles and the return plate in a protruding manner;
fig. 8 is an enlarged schematic view of fig. 6a in accordance with the present application.
Reference numerals: 1. a driving member; 2. a case; 3. a lubrication mechanism; 31. a drive assembly; 311. an eccentric wheel; 3111. an inner wheel body; 3112. an outer rim; 312. a transmission rod; 313. a bracket; 314. a connecting rod; 32. an oil pumping assembly; 321. an oil pumping pipe; 322. a piston; 323. a first elastic member; 324. a first baffle; 325. a second baffle; 326. a first sealing plate; 327. a first elastic restoring member; 33. an oil injection assembly; 331. an oil injection pipe; 332. a second sealing plate; 333. a second elastic restoring member; 4. an input shaft; 5. a middle rotating shaft; 6. an output shaft; 7. an input pinion; 8. an input gearwheel; 9. an output pinion; 10. an output gearwheel; 11. a ring groove; 12. a liquid return plate; 13. a paddle; 14. a slot; 15. inserting blocks; 16. a second elastic member; 17. a first sealing collar; 18. the second sealing check ring; 19. a connecting rod; 20. and a sliding groove.
Detailed Description
The present application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a helical gear speed reducing motor.
Referring to fig. 1, a helical gear reducing motor comprises a driving member 1 and a casing 2, wherein the casing 2 is formed by fixedly connecting an upper part and a lower part (not shown in the drawing of the upper part of the casing 2), an input shaft 4 fixedly connected with the output end of the driving member 1 is rotatably mounted in the casing 2 through a bearing, and an input pinion 7 is coaxially and fixedly mounted on the input shaft 4. The box body 2 is rotatably provided with a middle rotating shaft 5 through a bearing, an input large gear 8 and an output small gear 9 are coaxially and fixedly arranged on the middle rotating shaft 5, and the input large gear 8 is meshed with the input small gear 7. An output shaft 6 is rotatably arranged in the box body 2 through a bearing, an output large gear 10 is coaxially and fixedly arranged on the output shaft 6, and the output large gear 10 is meshed with an output small gear 9. In the application, the driving piece 1 can be selected as a driving motor, and the input pinion 7, the input large gear 8, the output pinion 9 and the output large gear 10 can be selected as helical gears.
The driving piece 1 drives the input pinion 7 to rotate through the input shaft 4, the input pinion 7 drives the input large gear 8 to rotate, the input large gear 8 drives the middle rotating shaft 5 to rotate and finish one-stage speed reduction, and at the moment, the rotating speed of the middle rotating shaft 5 is lower than the rotating speed of the input shaft 4. The intermediate rotating shaft 5 drives the input pinion 7 to rotate, the output pinion 9 drives the output bull gear 10 to rotate, the output bull gear 10 drives the output shaft 6 to rotate and finish two-stage speed reduction, and at the moment, the rotating speed of the output shaft 6 is lower than the rotating speed of the intermediate rotating shaft 5.
The bottom wall of the box body 2 stores lubricating oil, the lower half parts of the input large gear 8 and the output large gear 10 are immersed in the lubricating oil, and when the input large gear 8 and the output large gear 10 rotate, the lubricating oil can be attached to the input large gear 8 and the output large gear 10 and lubricate the same, so that abrasion between bevel gears is reduced.
Referring to fig. 2, a lubrication mechanism 3 is installed in the case 2, the lubrication mechanism 3 includes a driving assembly 31, an oil pumping assembly 32, and an oil spraying assembly 33, the driving assembly 31 is installed on the intermediate rotary shaft 5, the oil pumping assembly 32 is installed in the case 2, and the oil spraying assembly 33 is installed on the oil pumping assembly 32. The drive assembly 31 is driven to operate when the middle rotating shaft 5 rotates, the drive assembly 31 drives the oil pumping assembly 32 to pump lubricating oil at the bottom of the box body 2, and the lubricating oil pumped by the oil pumping assembly 32 is sprayed at the meshing position of the input pinion 7 and the meshing position of the output pinion 9 through the oil spraying assembly 33, so that smaller bevel gears can be lubricated, the abrasion of the bevel gears is reduced, and the service life of a gear motor is prolonged.
Referring to fig. 3, specifically, the driving assembly 31 includes an eccentric wheel 311, a transmission rod 312, a support 313 and a connecting rod 314, wherein the eccentric wheel 311 is mounted on the intermediate rotary shaft 5 and located between the input large gear 8 and the output small gear 9, the support 313 is fixedly mounted on the bottom wall of the inner cavity of the case 2, and the transmission rod 312 is rotatably mounted on the top end of the support 313. One end of the transmission rod 312 is abutted on the peripheral side wall of the eccentric wheel 311, one end of the transmission rod 312 far away from the eccentric wheel 311 is a telescopic end, and the connecting rod 314 is rotatably arranged at the telescopic end of the transmission rod 312.
The oil pumping assembly 32 comprises an oil pumping pipe 321, a piston 322, a first elastic piece 323, a first baffle 324, a second baffle 325, a first sealing plate 326 and a first elastic reset piece 327, wherein the oil pumping pipe 321 is fixedly arranged on the support 313 along the vertical direction through four connecting rods 19, the top end of the oil pumping pipe 321 is positioned above the lubricating oil liquid level, and the bottom end of the oil pumping pipe 321 is positioned below the lubricating oil liquid level. The piston 322 is fixedly installed at the bottom end of the connecting rod 314, and the piston 322 is slidably installed in the oil suction pipe 321 in the vertical direction.
A first baffle 324 is fixedly installed on the inner side wall of the oil suction pipe 321, the piston 322 is located below the first baffle 324, and the connecting rod 314 slides through the first baffle 324. The connecting rod 314 is fixedly provided with a second baffle 325, the second baffle 325 is positioned above the first baffle 324, the second baffle 325 is slidably arranged in the oil pumping pipe 321 along the diameter direction of the oil pumping pipe 321, the second baffle 325 guides the movement of the connecting rod 314, the connecting rod 314 can only move in the vertical direction in the oil pumping pipe 321, and the first elastic piece 323 is sleeved on the connecting rod 314 and positioned between the first baffle 324 and the second baffle 325. In the present application, the first elastic member 323 may be a spring.
A first seal plate 326 is rotatably mounted within the oil extraction tube 321 below the piston 322, and the first seal plate 326 is below the lubricant level. The first elastic restoring element 327 is installed at the rotational connection position of the first sealing plate 326, two ends of the first elastic restoring element 327 are respectively connected with the first sealing plate 326 and the oil pumping pipe 321, and the oil injection assembly 33 is installed on the oil pumping pipe 321 and is located between the first sealing plate 326 and the piston 322. In the present application, the first elastic restoring member 327 may be a torsion spring.
The first elastic piece 323 acts on the connecting rod 314 through the second baffle 325, so that the connecting rod 314 moves upwards, the connecting rod 314 drives the transmission rod 312 to rotate, and the end part of the transmission rod 312 is always clung to the peripheral side wall of the eccentric wheel 311. The middle rotating shaft 5 drives the eccentric wheel 311 to rotate, and when the eccentric wheel 311 rotates, the transmission rod 312 is driven to swing in a reciprocating manner, and the transmission rod 312 drives the piston 322 to move in a reciprocating manner in the oil pumping pipe 321 through the connecting rod 314.
When the connecting rod 314 drives the piston 322 to move up, the piston 322 extracts the lubricating oil through the oil extraction pipe 321, the lubricating oil pushes the first sealing plate 326 to rotate upwards to open the oil extraction pipe 321, and the lubricating oil is sucked into the oil extraction pipe 321. When the connecting rod 314 drives the piston 322 to move downwards, the first elastic reset piece 327 drives the first sealing plate 326 to rotate downwards to close the oil pumping pipe 321, and the lubricating oil in the oil pumping pipe 321 is extruded into the oil spraying assembly 33, so that the oil spraying assembly 33 can spray the lubricating oil.
Referring to fig. 4, a first sealing ring 17 is fixedly installed on the inner wall of the pumping pipe 321, and the first sealing ring 17 is located below the first sealing plate 326. In the process of rotating and closing the first sealing plate 326, when the first sealing plate 326 rotates to abut against the first sealing retainer ring 17, the oil suction pipe 321 can be closed, so that the tightness of the first sealing plate 326 when the oil suction pipe 321 is closed is increased, and the oil injection effect of the oil injection pipe 331 is better.
Referring to fig. 2 and 5, specifically, the fuel injection assembly 33 includes two fuel injection tubes 331, a second sealing plate 332 and a second elastic restoring member 333, the two fuel injection tubes 331 are fixedly mounted on opposite sides of a sidewall of the pumping tube 321, the fuel injection tubes 331 are communicated with the pumping tube 321 and located between the piston 322 and the first sealing plate 326, and ends of the two fuel injection tubes 331 away from the pumping tube 321 are respectively directed to the engagement position of the input pinion 7 and the engagement position of the output pinion 9.
The second shrouding 332 rotates the tip of installing in oil spout pipe 331 and keeping away from oil extraction pipe 321, and the second elastic restoring member 333 is installed in the rotation junction of second shrouding 332, and second shrouding 332 and oil spout pipe 331 are connected respectively to the both ends of second elastic restoring member 333. In the present application, the second elastic restoring member 333 may be a spring.
When the connecting rod 314 drives the piston 322 to move downwards, the lubricating oil in the oil pumping pipe 321 is extruded by the piston 322 into the two oil spraying pipes 331, the second sealing plate 332 rotates downwards to open the oil spraying pipes 331, and the lubricating oil is sprayed out of the oil spraying pipes 331; when the connecting rod 314 drives the piston 322 to move upward, the second elastic restoring member 333 drives the second sealing plate 332 to rotate upward to close the oil injection tube 331, so that the oil pumping tube 321 can smoothly pump the oil.
The end fixed mounting that oil spout pipe 331 kept away from oil extraction pipe 321 has second sealing ring 18, and when oil spout pipe 331 was closed in the rotation of second shrouding 332, the roof butt laminating second sealing ring 18 of second shrouding 332 to the leakproofness when having increased the oil spout pipe 331 of second shrouding 332 and closing, make the difficult leakage of lubricating oil in the oil spout pipe 331.
Referring to fig. 6 and 7, the eccentric wheel 311 includes an inner wheel body 3111 and an outer wheel ring 3112, the inner wheel body 3111 is coaxially and fixedly mounted on the intermediate shaft 5, the outer wheel ring 3112 is eccentrically rotatably fitted over the inner wheel body 3111, and the transmission rod 312 abuts against the outer peripheral side wall of the outer wheel ring 3112. The outer side wall of the inner wheel body 3111 is fixedly provided with paddles 13 along the diameter direction of the outer wheel body 3111, a plurality of paddles 13 are arranged at equal intervals along the circumferential direction of the inner wheel body 3111, the inner side wall of the outer wheel ring 3112 is provided with annular grooves 11 along the circumferential direction of the inner wheel body 3111, the paddles 13 are positioned in the annular grooves 11, and low-fluidity liquid is stored in the annular grooves 11 of the outer wheel ring 3112. In the present application, the low-fluidity liquid may be selected as transmission oil.
The outer wheel ring 3112 is located a plurality of liquid return plates 12 of equal fixed mounting on the relative both sides wall of annular 11, and a plurality of liquid return plates 12 are equidistant to be arranged along the circumference of annular 11, and the cross-section of liquid return plate 12 along interior round body 3111 tangential direction is the arc, and the curved protruding direction is towards the direction of rotation of paddle 13, and paddle 13 can follow the annular 11 both sides wall two liquid return plates 12 between move through.
When the middle rotating shaft 5 rotates, the middle rotating shaft 5 drives the plurality of paddles 13 to move through the inner wheel body 3111, the paddles 13 push low-fluidity liquid to move in the annular groove 11, the low-fluidity liquid is blocked by the arc-shaped liquid return plate 12 and then moves towards the opposite direction of the movement of the paddles 13, so that the paddles 13 can receive larger resistance when moving in the annular groove 11, and at the moment, the paddles 13 can drive the outer wheel ring 3112 to synchronously rotate through the low-fluidity liquid and the liquid return plate 12, so that the lubricating mechanism 3 can spray lubricating oil in the rotating process of the middle rotating shaft 5.
When the rotation of the intermediate shaft 5 is stopped, the outer ring 3112 is slowly rotated on the inner ring 3111 by the gravity and the transmission rod 312, so that the outer ring 3112 and the inner ring 3111 can rotate relatively. When the eccentric side of the outer ring 3112 rotates to right under the intermediate shaft 5, the outer ring 3112 stops rotating, so that the outer ring 3112 can automatically rotate to a designated angle after the intermediate shaft 5 stops. When the middle rotating shaft 5 rotates again, the eccentric side of the outer wheel ring 3112 rotates upwards and drives the piston 322 to move downwards through the transmission rod 312 and the connecting rod 314, so that lubricating oil can be sprayed to the meshing position of the bevel gears at the moment of starting the driving piece 1, the abrasion of the bevel gears is reduced, and the service life of the gear motor is prolonged.
Referring to fig. 6 and 8, four slots 14 are provided at equal intervals in the circumferential direction of the inner wheel body 3111 on the inner sides of both side walls in the axial direction of the outer wheel ring 3112, four sliding grooves 20 are provided at equal intervals in the circumferential direction of the outer side of both side walls in the axial direction of the inner wheel body 3111, and the slots 14 and the sliding grooves 20 are provided in the circumferential direction of the inner wheel body 3111. The inner wheel body 3111 is located in each chute 20 and is provided with an insertion block 15 in a sliding manner along the axis direction of the inner wheel body 3111, one side, away from the slot 14, of the insertion block 15 in each chute 20 is provided with a second elastic piece 16, and two ends of the second elastic piece 16 are fixedly connected with the insertion block 15 and the inner wheel body 3111, which are located on the side wall of the chute 20. In the present application, the second elastic member 16 may be alternatively a spring.
When the middle rotating shaft 5 drives the eccentric wheel 311 to rotate, the inner wheel body 3111 drives the plurality of inserting blocks 15 to rotate, and when the centrifugal force of the inserting blocks 15 is greater than the elastic force of the second elastic piece 16, the inserting blocks 15 move towards the direction close to the outer wheel ring 3112 and abut against the inner side wall of the outer wheel ring 3112. When the eccentric wheel 311 rotates, the inner wheel body 3111 and the outer wheel ring 3112 rotate relatively, and when the slot 14 rotates to the insert block 15, the insert block 15 is inserted into the slot 14 under the centrifugal force, so that the inner wheel body 3111 and the outer wheel ring 3112 are limited and fixed, and the eccentric wheel 311 rotates more stably. When the middle rotating shaft 5 is stopped, the rotating speed of the middle rotating shaft 5 is reduced, and when the centrifugal force of the insert block 15 is smaller than the elastic force of the second elastic member 16, the second elastic member 16 pulls the insert block 15 to separate from the slot 14 and retract into the sliding groove 20, so that the fixation between the outer rim 3112 and the inner rim 3111 is released, and after the middle rotating shaft 5 is stopped, the outer rim 3112 can slowly rotate until the eccentric side of the outer rim 3112 rotates to the lower side of the middle rotating shaft 5. At this time, when the middle rotating shaft 5 rotates again, the oil injection pipe 331 can immediately spray out lubricating oil to the meshing position of the bevel gears, so that abrasion of the bevel gears when the gear motor is started is reduced, and the service life of the gear motor is prolonged.
The implementation principle of the helical gear speed reducing motor provided by the embodiment of the application is as follows: the driving piece 1 drives the input pinion 7 to rotate through the input shaft 4, the input pinion 7 drives the input large gear 8 to rotate, the input large gear 8 drives the middle rotating shaft 5 to rotate and complete primary speed reduction, the middle rotating shaft 5 drives the input pinion 7 to rotate, the output pinion 9 drives the output large gear 10 to rotate, and the output large gear 10 drives the output shaft 6 to rotate and complete secondary speed reduction. The middle rotating shaft 5 drives the eccentric wheel 311 to rotate, and when the eccentric wheel 311 rotates, the transmission rod 312 is driven to swing in a reciprocating manner, and the transmission rod 312 drives the piston 322 to move in a reciprocating manner in the oil pumping pipe 321 through the connecting rod 314. When the connecting rod 314 drives the piston 322 to move up, the piston 322 extracts the lubricating oil through the oil extraction pipe 321, the lubricating oil pushes the first sealing plate 326 to rotate upwards to open the oil extraction pipe 321, and the lubricating oil is sucked into the oil extraction pipe 321. When the connecting rod 314 drives the piston 322 to move downwards, the first elastic reset piece 327 drives the first sealing plate 326 to rotate downwards to close the oil pumping pipe 321, lubricating oil in the oil pumping pipe 321 is extruded into the oil spraying pipe 331, and the oil spraying pipe 331 sprays the lubricating oil to the meshing position of the input pinion 7 and the meshing position of the output pinion 9, so that the bevel gear can be lubricated, the abrasion of the bevel gear is reduced, and the service life of the gear motor is prolonged.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. The utility model provides a helical gear motor, including driving piece (1) and box (2), box (2) internal rotation is provided with input shaft (4), transfer (5) and output shaft (6), driving piece (1) are connected with input shaft (4), be provided with input pinion (7) on input shaft (4), be provided with on transfer (5) with input pinion (7) engaged input gear (8), be provided with output pinion (9) on transfer (5), be provided with on output shaft (6) with output pinion (9) engaged output gear (10), its characterized in that: a lubrication mechanism (3) is arranged in the box body (2), The lubrication mechanism (3) comprises a driving assembly (31), an oil pumping assembly (32) and an oil spraying assembly (33), the oil pumping assembly (32) is arranged in the box body (2), the driving assembly (31) is arranged on the intermediate shaft (5) and drives the oil pumping assembly (32) to pump lubricating oil at the bottom of the box body (2), the oil spraying assembly (33) is arranged on the oil pumping assembly (32), the lubricating oil pumped by the oil pumping assembly (32) is sprayed at the meshing position of the input pinion (7) and the meshing position of the output pinion (9) through the oil spraying assembly (33), and the driving assembly (31) comprises an eccentric wheel (311), The oil pumping device comprises a transmission rod (312), a support (313) and a connecting rod (314), wherein the eccentric wheel (311) is arranged on a transit wheel (5), the support (313) is fixedly arranged in a box body (2), the transmission rod (312) is rotatably arranged on the support (313), one end of the transmission rod (312) is abutted against the outer side wall of the eccentric wheel (311), the connecting rod (314) is rotatably arranged at the other end of the transmission rod (312), and the connecting rod (314) is connected with an oil pumping assembly (32); The eccentric wheel (311) comprises an inner wheel body (3111) and an outer wheel ring (3112), the inner wheel body (3111) is coaxially and fixedly arranged on a transfer shaft (5), the outer wheel ring (3112) is eccentrically and rotatably sleeved on the inner wheel body (3111), an annular groove (11) is formed in the inner peripheral side wall of the outer wheel ring (3112), liquid return plates (12) are arranged on two opposite side walls of the outer wheel ring (3112) positioned on the annular groove (11), low-fluidity liquid is stored in the annular groove (11), a plurality of paddles (13) are fixedly arranged on the outer peripheral side wall of the inner wheel body (3111) at equal intervals, And a plurality of blades (13) are positioned in the ring groove (11), a plurality of inserting blocks (15) are arranged on the side wall of the inner wheel body (3111) at equal intervals along the circumferential direction, a plurality of slots (14) are arranged on the side wall of the outer wheel ring (3112) at equal intervals along the circumferential direction of the inner wheel body (3111), a plurality of second elastic pieces (16) are arranged on the side wall of the inner wheel body (3111), the second elastic pieces (16) are positioned on one side of the inserting blocks (15) far away from the slots (14), the plurality of second elastic pieces (16) are respectively connected with the plurality of inserting blocks (15) and the inner wheel body (3111), the section of the liquid return plate (12) along the tangential direction of the inner wheel body (3111) is arc-shaped, and the arc-shaped protruding direction faces to the rotating direction of the blade (13).
2. A helical gear reduction motor according to claim 1, wherein: the oil pumping assembly (32) comprises an oil pumping pipe (321), a piston (322), a first elastic piece (323), a first baffle (324), a second baffle (325), a first sealing plate (326) and a first elastic reset piece (327), wherein the oil pumping pipe (321) is fixedly arranged in the box body (2), the bottom end of the oil pumping pipe (321) is positioned below the liquid level of lubricating oil, the piston (322) is slidably arranged in the oil pumping pipe (321) and fixedly connected with a connecting rod (314), the first baffle (324) is fixedly arranged in the oil pumping pipe (321) and is positioned above the piston (322), the second baffle (325) is fixedly arranged on the connecting rod (314) and is positioned right above the first baffle (324), the first elastic piece (323) is arranged between the first baffle (324) and the second baffle (326), the first sealing plate (326) is rotatably arranged in the oil pumping pipe (321) and is positioned below the piston (322), and the oil spraying assembly (322) is fixedly arranged on the oil pumping pipe (321) and is positioned between the first baffle (326) and the first sealing plate (326) and is rotatably connected with the first sealing plate (327) in a reset mode.
3. A helical gear reduction motor according to claim 2, wherein: the oil injection assembly (33) comprises two oil injection pipes (331), a second sealing plate (332) and a second elastic reset piece (333), wherein the oil injection pipes (331) are arranged on the outer side wall of the oil pumping pipe (321) and are communicated with the oil pumping pipe (321), one ends, close to each other, of the oil injection pipes (331) are located between the first sealing plate (326) and the piston (322), one ends, far away from each other, of the oil injection pipes are respectively pointed to the meshing place of the input pinion (7) and the meshing place of the output pinion (9), the two second sealing plates (332) are respectively rotated and arranged at the end parts, far away from each other, of the two oil injection pipes (331), and the two second elastic reset pieces (333) are respectively arranged at the rotating connecting place of the two second sealing plates (332) and are used for driving the second sealing plates (332) to rotate and reset.
4. A helical gear reduction motor according to claim 2, wherein: the oil pumping pipe is characterized in that a first sealing check ring (17) is fixedly arranged on the inner wall of the oil pumping pipe (321), the first sealing check ring (17) is located below the first sealing plate (326), and when the first sealing plate (326) rotates to close the oil pumping pipe (321), the bottom wall of the first sealing plate (326) is abutted to the first sealing check ring (17).
5. A helical gear reduction motor according to claim 3, wherein: the end part of the oil injection pipe (331) far away from the oil pumping pipe (321) is provided with a second sealing check ring (18), and when the oil injection pipe (331) is closed by rotation of the second sealing plate (332), the top wall of the second sealing plate (332) is abutted to be attached to the second sealing check ring (18).
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| CN202410853527.2A CN118423410B (en) | 2024-06-28 | 2024-06-28 | Helical gear speed reducing motor |
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| CN202410853527.2A CN118423410B (en) | 2024-06-28 | 2024-06-28 | Helical gear speed reducing motor |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000045756A (en) * | 1998-12-30 | 2000-07-25 | 정주호 | Lubricating apparatus of manual gear of automobile |
| CN208089872U (en) * | 2018-04-16 | 2018-11-13 | 杭州建明机械有限公司 | The helical gear speed reducer of Hardened gear face |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212131255U (en) * | 2020-03-27 | 2020-12-11 | 天地科技股份有限公司上海分公司 | Forced oil injection lubricating system for open gear of coal mining machine walking box |
| CN112453063A (en) * | 2020-12-31 | 2021-03-09 | 浙江传播者金属装饰材料有限公司 | Centralized driving type multi-pass nonferrous metal rolling mill |
| CN215172124U (en) * | 2021-05-08 | 2021-12-14 | 河南蒲瑞精密机械有限公司 | Vertical speed reducer self-lubricating structure |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000045756A (en) * | 1998-12-30 | 2000-07-25 | 정주호 | Lubricating apparatus of manual gear of automobile |
| CN208089872U (en) * | 2018-04-16 | 2018-11-13 | 杭州建明机械有限公司 | The helical gear speed reducer of Hardened gear face |
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