CN109973637B - Low-resistance transmission of gearbox and automatic lubricating oil supply method - Google Patents
Low-resistance transmission of gearbox and automatic lubricating oil supply method Download PDFInfo
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- CN109973637B CN109973637B CN201910367234.2A CN201910367234A CN109973637B CN 109973637 B CN109973637 B CN 109973637B CN 201910367234 A CN201910367234 A CN 201910367234A CN 109973637 B CN109973637 B CN 109973637B
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
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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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H57/0405—Monitoring quality of lubricant or hydraulic fluids
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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
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a low-resistance transmission and automatic lubricating oil supply method for a gearbox, which comprises the following steps: firstly, the hydraulic pushing mechanism detects that lubricating oil in the first cavity and the second cavity is sufficient and controls the clutch to be in a combined state, the lubricating oil is normally lubricated, and the power of the input part is transmitted to the output part; then, the liquid level of lubricating oil in the first cavity and the second cavity gradually drops and is lower than that of the input component and the output component, the hydraulic pushing mechanism detects that the surplus of the lubricating oil is insufficient and controls the clutch to transmit the power of the input shaft to the lubricating oil spraying component through the sliding gear, and the lubricating oil spraying component pumps the lubricating oil at the bottom of the second cavity upwards, sprays the lubricating oil onto the input component and the output component from top to bottom and sprays the lubricating oil on the input component and the output component; and finally, when the lubricating oil in the first chamber and the lubricating oil in the second chamber are used up, the hydraulic pushing mechanism controls the clutch to be switched to a separated state, and the power transmission between the input shaft and the driving gear is cut off to form self protection.
Description
Technical Field
The invention relates to a transmission, in particular to a low-resistance transmission and automatic lubricating oil supply method of a gearbox.
Background
The lubricating oil is an important lubricating oil prepared by adding an extreme pressure antiwear agent and an oiliness agent, wherein the lubricating oil is an indispensable component in a gearbox, can prevent the tooth surface of a gear from being worn, scratched and sintered, can reduce the temperature of the gearbox, prolong the service life of the gear, and improve the transmission power efficiency.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the automatic protection method for the lubricating oil shortage of the speed reducer, which is ingenious in structure, simple in principle and capable of monitoring the amount of the lubricating oil.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The low resistance transmission and automatic lubricating oil replenishing method for the gearbox comprises the following steps:
firstly, normally running a lubrication stage;
s1: the hydraulic pushing mechanism detects that lubricating oil in the first cavity and the second cavity is sufficient and is in a full pushing state, the clutch is in a combined state, the lubricating oil is normally lubricated, the clutch transmits the power of the input part to the output part through the speed reduction transmission part, and the output part drives a load to run;
the input component comprises an input shaft and a driving gear coaxially and movably sleeved on the output end of the input shaft, the output component comprises an output shaft and a driven gear coaxially and fixedly sleeved on the output shaft, a speed reduction transmission component used for connecting the driving gear and the driven gear is arranged between the driving gear and the driven gear, and a clutch used for fixedly connecting the input shaft and the driving gear is arranged between the input shaft and the driving gear;
the clutch is coaxially sleeved on the input shaft and comprises a synchronous lantern ring which is in spline connection and matching with the input shaft, the synchronous lantern ring can slide along the axial direction of the input shaft, a synchronous turntable is coaxially sleeved on the outer circular surface of the synchronous lantern ring, the synchronous turntable and the synchronous lantern ring form sliding guide matching along the axial direction of the input shaft, an arc-shaped mounting groove I matched with the synchronous turntable is formed in the outer circular surface of the synchronous turntable, the mounting groove I is positioned on one end surface, close to the two cavities, of the synchronous turntable, three mounting grooves I are arranged in an array manner along the circumferential direction of the synchronous turntable, a mounting groove II which is arranged in the radial direction of the synchronous turntable and communicated with the mounting groove I is formed in one end surface, close to the two cavities, of the synchronous turntable, three mounting grooves II are arranged in an array manner along the circumferential direction of the synchronous turntable, and the, an arc-shaped hub matched with the mounting groove I is movably arranged in the mounting groove I, and a plurality of hub strips are arranged on the outer circular surface of the arc-shaped hub;
a hinging block for connecting the inner circular surface of the arc-shaped hub and the synchronous lantern ring is arranged between the inner circular surface of the arc-shaped hub and the synchronous lantern ring, one end of the hinging block is hinged with the concave surface of the arc-shaped hub, the other end of the hinging block is hinged with the outer circular surface of the synchronous lantern ring, the axial directions of two hinging shafts are perpendicular to the input shaft, and in an initial state, the hinging block is positioned in the second mounting groove and is arranged along the radial direction;
a combination cylinder body which is in rotating connection and matching with the input shaft and is provided with an opening facing the second cavity is coaxially sleeved outside the synchronous turntable, the driving gear and one end of the combination cylinder body, which is far away from the second cavity, are coaxially and fixedly connected, a hub groove matched with the hub strip is arranged on the inner circular surface of the combination cylinder body, the hub strip is abutted against the hub groove in an initial state, and the clutch is in a combination state;
the input shaft is coaxially and rotatably sleeved with a pushing ring, the pushing ring can slide along the axial direction of the input shaft, the pushing ring is positioned at one side of the synchronous sleeve ring, which is far away from the driving gear, a sliding gear sleeved on the input shaft is movably arranged between the pushing ring and the synchronous sleeve ring, the sliding gear and the input shaft form a spline connection fit and can slide along the axial direction of the input shaft, a compression spring movably sleeved outside the input shaft is arranged between the synchronous sleeve ring and the sliding gear, one end of the compression spring is abutted against the synchronous sleeve ring, the other end of the compression spring is abutted against the sliding gear, a separation spring movably sleeved outside the input shaft is arranged between the synchronous sleeve ring and the bottom of the combined barrel body, one end of the separation spring is abutted against the synchronous sleeve ring, the other end of the, the spring coefficient of the separation spring is far smaller than that of the compression spring, and in an initial state, the push ring is arranged close to the synchronous lantern ring, and the compression spring and the separation spring are both in a compressed state;
when the lubricating oil is sufficient, the clutch works in a full-pushing state, the pushing ring is close to the synchronous lantern ring, the compression spring and the separation spring are both in a compressed state, the clutch is in a combined state, the input shaft transmits power to the output shaft, and the output part drives the load to operate;
(II) lubricating oil spraying protection stage;
s2: the liquid levels of the lubricating oil in the first cavity and the second cavity gradually drop and are lower than the input part, the output part and the speed reduction transmission part, and at the moment, the hydraulic pushing mechanism detects that the allowance of the lubricating oil is insufficient and is switched to a semi-pushing state;
the hydraulic pushing mechanism is positioned in the cavity II and extends to the cavity I from an opening to be abutted against the pushing ring, the hydraulic pushing mechanism comprises a sliding disc coaxially sleeved on the input shaft in a rotating mode, the sliding disc is provided with two sliding discs which are buckled with each other, an annular sealing cavity is arranged on one end face, close to the pushing ring, of each sliding disc, a circular mounting groove III is formed in one end face, close to the pushing ring, of each sliding disc, the mounting grooves III are provided with a plurality of first oil cylinders communicated with the sealing cavities and are arranged in an array mode along the circumferential direction of the sliding disc, the axial direction of each first oil cylinder is parallel to the axial direction of the corresponding sliding disc, a first piston rod extending towards the pushing ring is coaxially arranged in each first oil cylinder, the first piston rod is abutted against the pushing ring, and the hydraulic pushing mechanism further comprises a buoyancy control member which is used for detecting the allowance of lubricating oil in the cavity II and;
the buoyancy control component comprises a second oil cylinder detachably connected with the mounting plate, the second oil cylinder is axially and vertically arranged and is close to the top of the second casing, a second piston rod matched with an inner cavity of the second oil cylinder in a sealing sliding guide mode is arranged at the bottom end of the second oil cylinder, a floating ball is fixedly arranged at the bottom end of the second piston rod and always floats on the liquid level of lubricating oil, and a guide pipe for communicating the top end of the second oil cylinder and the oil filling port is arranged between the top end of the second oil cylinder and the oil;
in an initial state, sufficient lubricating oil is available, the floating ball is close to the second oil cylinder, the second piston rod extrudes hydraulic oil in the second oil cylinder into the first oil cylinder, the first piston rod overcomes the elastic action of the compression spring and the separation spring, the pushing ring is pushed to be close to the synchronous lantern ring, and at the moment, the hydraulic pushing mechanism is in a full pushing state; when the liquid level of the lubricating oil drops and is lower than the input component, the output component and the speed reduction transmission component along with the lapse of time, the floating ball gradually drops along with the liquid level, the piston rod II vertically slides downwards, a part of hydraulic oil in the oil cylinder I flows back to the oil cylinder II, the elastic potential energy of the compression spring is released and pushes the pushing ring to move away from the synchronous lantern ring, and at the moment, the hydraulic pushing mechanism is in a semi-pushing state;
s3: the clutch transmits the power of the input shaft to the lubricating oil spraying part through the sliding gear, the lubricating oil spraying part pumps the lubricating oil at the bottom of the second cavity upwards and sprays the lubricating oil to the input part, the output part and the speed reduction transmission part from top to bottom, and the input part, the output part and the speed reduction transmission part are sprayed and lubricated;
(III) power cut-off protection stage;
s4: when the lubricating oil consumption of cavity one and cavity two insides is totally used up, the floater contacts with cavity two bottoms, piston rod two further slides down, hydraulic oil in the hydro-cylinder one flows back to in the hydro-cylinder two completely, the elastic potential energy release of separation spring and promote to support and push the ring and further keep away from the synchronous lantern ring motion, at this moment, hydraulic pressure is supported and is pushed the mechanism and switch to the state of withdrawing, the clutch switches to the separation state, power transmission between input shaft and the driving gear cuts off, output member stop operation switches to the self-protection state and the early warning suggestion user in time pours into lubricating oil into by the lubricating oil sprue.
As a further optimization or improvement of the present solution.
The output shaft is rotatably arranged on the first casing, the driving end of the output shaft is coaxially and rotatably connected with the input shaft in a matched mode, and the output end of the output shaft extends to the first chamber.
As a further optimization or improvement of the present solution.
The speed reduction drive part including rotate the transmission shaft that sets up between casing one and mounting panel, the axial of transmission shaft is on a parallel with the axial of input shaft, coaxial rotation cover on the transmission shaft is equipped with step gear one, step gear three, coaxial rotation cover is equipped with step gear two on the input shaft, step gear one and step gear two and step gear three structure, shape, size be identical completely and all have coaxial fixed connection's gear A and gear B to constitute, gear A's diameter is greater than gear B's diameter, the driving gear meshes with step gear one's gear A, step gear one's gear B meshes with step gear two's gear A, step gear two's gear B meshes with step gear three's gear A, step gear three's B gear and driven gear meshing.
As a further optimization or improvement of the present solution.
And the top of the first shell is provided with a lubricating oil injection port and a first screw plug matched with the lubricating oil injection port.
As a further optimization or improvement of the present solution.
The lubricating oil spraying component comprises an oil pump fixedly connected with the mounting plate, a driving gear is coaxially and fixedly arranged at the driving end of the oil pump, the driving gear and the sliding gear are mutually parallel and matched in axial direction, the driving gear is meshed with the sliding gear controlled by the semi-pushing state of the hydraulic pushing mechanism, the tooth side surfaces of the sliding gear and the driving gear are all arranged to be sharp, the input end of the oil pump is communicated with an oil inlet pipe which vertically extends downwards to the bottom of the second cavity, the output end of the oil pump is communicated with a spray pipe which is arranged and extends to the top of the second cavity, the extending end of the spray pipe is closed, the outer circular surface of the spray pipe is provided with a plurality of spray heads which are vertically arranged downwards, and the spray heads are arrayed along the extending direction of the spray pipe, one of the spraying pipes is positioned above the first step gear and the third step gear, and the other spraying pipe is positioned above the driving gear and the driven gear.
Compared with the prior art, the hydraulic transmission device has the advantages that the hydraulic transmission device is ingenious in structure and simple in principle, power of the input shaft is transmitted to the driving gear through the hydraulically controlled clutch, when the clutch detects that the liquid level of lubricating oil is lower than that of the gear, the lubricating oil at the bottom of the speed reducer is pumped to the position above the gear through the lubricating oil spraying part for spraying and lubricating, when the clutch detects that the lubricating oil is exhausted, the clutch is automatically switched to a separation state, power transmission of the input shaft is cut off, self protection is carried out, running abrasion of the gear in a non-lubrication state is avoided, and the service life of the speed reducer is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is an exploded view of the present invention.
Fig. 5 is a cross-sectional view of the present invention.
Fig. 6 is a diagram showing the combination of the input member and the output member.
Fig. 7 is an exploded view of the input and output components.
Fig. 8 is a schematic structural view of a step gear.
FIG. 9 is a clutch-to-input member engagement diagram.
FIG. 10 is an engagement diagram of the clutch with the input member.
Fig. 11 is a schematic diagram of the internal structure of the clutch.
Fig. 12 is a schematic diagram of the internal structure of the clutch.
Fig. 13 is an internal structural view of the clutch.
Fig. 14 is an exploded view of the clutch.
Fig. 15 is a partial schematic view of the clutch.
Fig. 16 is a diagram showing the engagement of the clutch and the hydraulic pushing mechanism.
Fig. 17 is a schematic structural view of the hydraulic pushing mechanism.
Fig. 18 is a schematic structural view of the hydraulic pushing mechanism.
Fig. 19 is a schematic view of the internal structure of the hydraulic pushing mechanism.
FIG. 20 is a schematic structural view of a buoyancy control member.
FIG. 21 is a schematic view of the internal structure of the buoyancy control member.
Fig. 22 is a view showing the lubricating oil shower member and the clutch in the engaged state.
Fig. 23 is an engagement diagram of the lubricating oil shower member and the clutch.
Fig. 24 is a diagram showing the lubricating oil shower member and the clutch in the disengaged state.
Fig. 25 is a schematic structural view of the lubricating oil shower member.
Fig. 26 is an installation view of the lubricating oil shower member.
Detailed Description
The low resistance transmission and automatic lubricating oil replenishing method for the gearbox comprises the following steps:
firstly, normally running a lubrication stage;
s1: the hydraulic pushing mechanism 210 detects that lubricating oil in the first chamber and the second chamber is sufficient and is in a full pushing state, the clutch 200 is in a combined state, the lubricating oil is normally lubricated, the clutch 200 transmits the power of the input part 110 to the output part 120 through the speed reduction transmission part, and the output part 120 drives a load to run;
the input component 110 comprises an input shaft 111 and a driving gear 112 coaxially and movably sleeved on an output end of the input shaft 111, the output component 120 comprises an output shaft 121 and a driven gear 126 coaxially and fixedly sleeved on the output shaft 121, a speed reduction transmission component for connecting the driving gear 112 and the driven gear 126 is arranged between the driving gear 112 and the driven gear 126, and a clutch 200 for fixedly connecting the input shaft 111 and the driving gear 112 is arranged between the input shaft 111 and the driving gear 112;
the clutch 200 is coaxially sleeved on the input shaft 111, the clutch 200 comprises a synchronous lantern ring 201 in spline connection and matching with the input shaft 111, the synchronous lantern ring 201 can slide along the axial direction of the input shaft 111, a synchronous rotating disc 202 is coaxially sleeved on the outer circular surface of the synchronous lantern ring 201, the synchronous rotating disc 202 and the synchronous lantern ring 201 form sliding guide matching along the axial direction of the input shaft 111, an arc-shaped mounting groove I202 a matched with the synchronous rotating disc 202 is formed in the outer circular surface of the synchronous rotating disc 202, the mounting groove I202 a is located on one end surface, close to the two ends of the chamber, of the synchronous rotating disc 202, three mounting grooves I202 a are arranged and are arranged in an array manner along the circumferential direction of the synchronous rotating disc 202, mounting grooves II 202b which are arranged along the radial direction of the synchronous rotating disc 202 and are communicated with the mounting groove I202 a are formed in the end surface, the three mounting grooves II 202, the second mounting groove 202b is positioned in the middle of the first mounting groove 202a along the arc direction and penetrates through the synchronous lantern ring 201, an arc-shaped hub 203 matched with the first mounting groove 202a is movably arranged in the first mounting groove 202a, and a plurality of hub strips 203a are arranged on the outer circular surface of the arc-shaped hub 203;
a hinge block 203b for connecting the inner circular surface of the arc-shaped hub 203 and the synchronous lantern ring 201 is arranged between the inner circular surface of the arc-shaped hub 203 and the synchronous lantern ring 201, one end of the hinge block 203b is hinged with the concave surface of the arc-shaped hub 203, the other end of the hinge block is hinged with the outer circular surface of the synchronous lantern ring 201, the axial directions of the two hinge shafts are perpendicular to the input shaft 111, and in an initial state, the hinge block 203b is positioned in the second mounting groove 202b and is arranged along the;
a combination cylinder 205 which is in rotating connection and matching with the input shaft 111 and is provided with an opening facing the second chamber is coaxially sleeved outside the synchronous turntable 202, the driving gear 112 and one end of the combination cylinder 205, which is away from the second chamber, are coaxially and fixedly connected, a hub groove 205a matched with the hub strip 203a is arranged on the inner circular surface of the combination cylinder 205, in an initial state, the hub strip 203a is abutted against the hub groove 205a, and the clutch 200 is in a combination state;
the input shaft 111 is coaxially and rotatably sleeved with a pushing ring 206, the pushing ring 206 can slide along the axial direction of the input shaft 111, the pushing ring 206 is positioned on one side of the synchronous sleeve ring 201 away from the driving gear 112, a sliding gear 207 sleeved on the input shaft 111 is movably arranged between the pushing ring 206 and the synchronous sleeve ring 201, the sliding gear 207 and the input shaft 111 form spline connection and match and can slide along the axial direction of the input shaft 111, a pressing spring 208 movably sleeved outside the input shaft 111 is arranged between the synchronous sleeve ring 201 and the sliding gear 207, one end of the pressing spring 208 is abutted against the synchronous sleeve ring 201, the other end of the pressing spring 208 is abutted against the sliding gear 207, a separation spring 209 movably sleeved outside the input shaft 111 is arranged between the synchronous sleeve ring 201 and the bottom of the combination cylinder 205, one end of the separation spring 209 is abutted against the synchronous sleeve ring 201, the other end of the separation spring 209 is abutted against the bottom of the combination cylinder 205, and the spring coefficient of, in the initial state, the push ring 206 is disposed close to the synchronizing collar 201 and the hold-down spring 208 and the separation spring 209 are both in a compressed state;
the clutch 200 works when the lubricating oil is sufficient, that is, the hydraulic pushing mechanism 210 is in a full pushing state, the pushing ring 206 is close to the synchronous lantern ring 201, the compression spring 208 and the separation spring 209 are both in a compression state, the clutch 200 is in a combination state, the input shaft 111 transmits power to the output shaft 121, and the output part 120 drives the load to run;
(II) lubricating oil spraying protection stage;
s2: the liquid level of the lubricating oil in the first chamber and the second chamber gradually drops and is lower than that of the input part 110, the output part 120 and the speed reduction transmission part, and at the moment, the hydraulic pushing mechanism 210 detects that the allowance of the lubricating oil is insufficient and switches to a semi-pushing state;
the hydraulic pushing mechanism 210 is located in the second chamber and extends to the first chamber from an opening to be abutted against the pushing ring 206, the hydraulic pushing mechanism 210 comprises a sliding disc 211 coaxially sleeved on the input shaft 111 in a rotating mode, the sliding disc 211 is provided with two parts which are buckled with each other, an annular sealing cavity 212 is arranged on one end face, close to one end face of the pushing ring 209, of the sliding disc 211, a circular mounting groove third 214 is arranged on one end face of the sliding disc 211, the mounting groove third 214 is provided with a plurality of piston rods 216 which are arranged in an array mode along the circumferential direction of the sliding disc 211, a first oil cylinder 215 communicated with the sealing cavity 212 is arranged in the mounting groove third 214, the axial direction of the first oil cylinder 215 is parallel to the axial direction of the sliding disc 211, a first piston rod 216 which extends towards the pushing ring 206 is coaxially arranged in the first oil cylinder 215, the first piston rod 216 is abutted against the pushing ring 209, the hydraulic pushing mechanism 210 further comprises a buoyancy control member 220, the buoyancy control member 220 is used for An oil;
the buoyancy control component 220 comprises a second oil cylinder 221 detachably connected with the mounting plate 133, the second oil cylinder 221 is axially and vertically arranged and is close to the top of the second casing 132, a second piston rod 222 which forms a sealed sliding guide fit with an inner cavity of the second oil cylinder 221 is arranged at the bottom end of the second oil cylinder 221, a floating ball 223 is fixedly arranged at the bottom end of the second piston rod 222, the floating ball 223 always floats on the surface of lubricating oil, and a guide pipe 224 used for communicating the top end of the second oil cylinder 221 with the oil injection port 213 is arranged between the top end of the second oil;
in an initial state, sufficient lubricating oil is provided, the floating ball 223 is close to the second oil cylinder 221, the second piston rod 222 extrudes hydraulic oil in the second oil cylinder 221 into the first oil cylinder 215, the first piston rod 216 overcomes the elastic force action of the compression spring 208 and the separation spring 209, the pushing ring 206 is pushed to be close to the synchronous lantern ring 201, and at the moment, the hydraulic pushing mechanism 210 is in a full pushing state; when the lubricating oil level drops and is lower than the input part 110, the output part 120 and the speed reduction transmission part along with the time, the floating ball 223 gradually drops along with the liquid level, the second piston rod 222 vertically slides downwards, a part of hydraulic oil in the first oil cylinder 215 flows back into the second oil cylinder 221, the elastic potential energy of the compression spring 208 is released and pushes the pushing ring 206 to move away from the synchronous lantern ring 201, and at the moment, the hydraulic pushing mechanism 210 is in a semi-pushing state;
s3: the clutch 200 transmits the power of the input shaft 111 to the sliding gear 207 to the lubricating oil spray part 300, the lubricating oil spray part 300 pumps the lubricating oil at the bottom of the second chamber upwards and sprays the lubricating oil onto the input part 110, the output part 120 and the speed reduction transmission part from top to bottom, and the input part 110, the output part 120 and the speed reduction transmission part are sprayed and lubricated;
the lubricating oil spraying component 300 comprises an oil pump 301 fixedly connected with a mounting plate 133, a driving gear 302 is coaxially and fixedly arranged at the driving end of the oil pump 301, the driving gear 302 and a sliding gear 207 are axially parallel to each other and matched with each other, the driving gear 302 is meshed with the sliding gear 207 controlled by the semi-pushing state of the hydraulic pushing mechanism 210, the tooth sides of the sliding gear 207 and the driving gear 302 are all arranged in a sharp shape, an oil inlet pipe 303 vertically extending downwards to the bottom of the two chambers is communicated with the input end of the oil pump 301, a spraying pipe 304 vertically extending downwards is communicated with the output end of the oil pump 301 and arranged and extended to the top of the two chambers, the extending end of the spraying pipe 304 is closed, a spraying head 305 vertically arranged downwards is arranged on the outer circular surface of the spraying pipe 304, the spraying head 305 is provided with a plurality of spraying heads and arrayed along the extending direction, A spray pipe 304 is arranged above the third stepped gear 125 and above the driving gear 112 and the driven gear 126;
(III) power cut-off protection stage;
s4: when the lubricating oil in the first chamber and the second chamber is completely consumed, the floating ball 223 is in contact with the bottom of the second chamber, the second piston rod 222 further slides downwards, the hydraulic oil in the first oil cylinder 215 completely flows back into the second oil cylinder 221, the elastic potential energy of the separation spring 209 is released and pushes the pushing ring 206 to further move away from the synchronous lantern ring 201, at the moment, the hydraulic pushing mechanism 210 is switched to the withdrawing state, the clutch 200 is switched to the separating state, the power transmission between the input shaft 111 and the driving gear 112 is cut off, the output component 120 stops running and is switched to the self-protection state, and the pre-warning prompts a user to inject the lubricating oil from the lubricating oil injection port in time.
A lacks lubricating oil automatic protection reduction gear, it includes the input unit 110 connected with power source, the output unit 120 connected with load and lubricating oil spray assembly 200 set up above the two, the input unit 110 includes the input shaft 111 and active gear 112 coaxially and movably sleeved on the output end of the input shaft 111, the output unit 120 includes the output shaft 121 and coaxially and fixedly sleeved on the driven gear 126 of the output shaft 121, there is a speed reduction drive unit used for connecting the two between driven gear 126 and the active gear 112, there is clutch 200 used for carrying on the fixed connection with the input shaft 111 and active gear 112 between active gear 112 and the input shaft 111, the clutch 200 is set up as the engaging state and disengaging state that can be switched over each other and the initial state is the engaging state, the clutch 200 includes the hydraulic pressure that is used for controlling it and is switched over each other in engaging state and disengaging state is supported and pushed the organization 210, the hydraulic pushing mechanism 210 detects the remaining amount of the lubricating oil through buoyancy and can be switched among a full pushing state, a half pushing state and a withdrawing state, the initial state is the full pushing state, the hydraulic pushing mechanism 210 in the withdrawing state controls the clutch 200 to be in a separating state, the hydraulic pushing mechanism 210 in the full pushing state and the half pushing state controls the clutch 200 to be in a combining state and the clutch 200 controlled by the half pushing state provides power for the lubricating oil spraying part 300, and the lubricating oil spraying part 300 is used for sucking the lubricating oil to spray and lubricate the input part 110 and the output part 120.
Specifically, the first detachable connecting casing 131, the second detachable connecting casing 132 and the mounting plate 133 located therebetween are arranged outside the input part 110 and the output part 120, the first casing 131 and one end face of the mounting plate 133 are fixedly connected to form a first closed chamber, the second casing 132 and the other end face of the mounting plate 133 are fixedly connected to form a second closed chamber, the first closed chamber and the second closed chamber are communicated with each other, the input shaft 111 is rotatably arranged on the second casing 132, the driving end is located outside the second casing 132, the output end extends to the first closed chamber from a circular opening formed in the mounting plate 133, the output shaft 121 is rotatably arranged on the first casing 132, the driving end is coaxially and rotatably connected with and matched with the input shaft 111, and the output end extends to the outside of the first casing 131, in order to facilitate the addition of lubricating oil towards the interiors of the first chamber and the second chamber, a lubricating oil injection port and a first plug screw 134 matched with the lubricating oil injection port are arranged at the top of the first machine shell 131.
When a user uses the speed reducer, in an initial state, sufficient lubricating oil is stored in the first chamber and the second chamber, the hydraulic pushing mechanism 210 detects that the residual quantity of the lubricating oil is sufficient and the hydraulic pushing mechanism is in a full pushing state, the clutch 200 is in a combined state, and the input component 110, the output component 120 and the transmission component run at high speed to enable the lubricating oil to splash and lubricate the input component, the output component and the transmission component; as time goes on, the liquid level of the lubricating oil in the first chamber and the second chamber gradually drops and is lower than the input member 110, the output member 120 and the speed reduction transmission member, at this time, the hydraulic pushing mechanism 210 detects that the residual quantity of the lubricating oil is insufficient and switches to a half pushing state, the clutch 200 is in a combined state and transmits the power of the input shaft 111 to the lubricating oil spraying member 300, the lubricating oil spraying member 300 pumps the lubricating oil at the bottom of the second chamber upwards and sprays the lubricating oil onto the input member 110, the output member 120 and the speed reduction transmission member from top to bottom, and the input member 110, the output member 120 and the speed reduction transmission member are lubricated; when the lubricating oil in the first chamber and the second chamber is consumed, the hydraulic pressure pushing mechanism 210 detects the surplus of the lubricating oil and switches to the withdrawing state, the clutch 200 is switched from the combining state to the separating state, the power transmission between the input shaft 111 and the driving gear 112 is cut off, the output part 120 stops running and switches to the self-protection state, and the user is warned by the early warning to inject the lubricating oil from the lubricating oil injection port in time.
The speed reduction transmission part comprises a transmission shaft 122 rotatably arranged between a first machine shell 131 and a mounting plate 133, the axial direction of the transmission shaft 122 is parallel to the axial direction of an input shaft 111, a first step gear 123 and a third step gear 125 are coaxially rotatably sleeved on the transmission shaft 122, a second step gear 124 is coaxially rotatably sleeved on the input shaft 111, the first step gear 123, the second step gear 124 and the third step gear 125 are completely consistent in structure, shape and size and are composed of a gear A and a gear B which are coaxially and fixedly connected, the diameter of the gear A is larger than that of the gear B, a driving gear 112 is meshed with the gear A of the first step gear 123, the gear B of the first step gear 123 is meshed with the gear A of the second step gear 124, the gear B of the second step gear 124 is meshed with the gear A of the third step gear 125, the gear B of the third step gear 125 is meshed with a driven gear 126, and the first step gear, The second step gear 124 and the third step gear 125 gradually reduce the speed of the output shaft 121.
The clutch 200 is coaxially sleeved on the input shaft 111, the clutch 200 comprises a synchronous lantern ring 201 in spline connection and matching with the input shaft 111, the synchronous lantern ring 201 is coaxially arranged with the input shaft 111, the synchronous lantern ring 201 can slide along the axial direction of the input shaft 111, a synchronous rotating disc 202 is coaxially sleeved on the outer circular surface of the synchronous lantern ring 201, the synchronous rotating disc 202 and the synchronous lantern ring 201 form sliding guide matching along the axial direction of the input shaft 111, an arc-shaped mounting groove I202 a matched with the synchronous rotating disc 202 is formed in the outer circular surface of the synchronous rotating disc 202, the mounting groove I202 a is located on one end surface, close to the two ends of the chamber, of the synchronous rotating disc 202, three mounting grooves I202 a are arranged and are arranged in an array along the circumferential direction of the synchronous rotating disc 202, a mounting groove II 202b arranged along the radial direction of the synchronous rotating disc 202 and communicated with the mounting groove I202 a is formed in one end surface, the mounting grooves II 202, the second mounting groove 202b is located in the middle of the first mounting groove 202a along the arc direction and penetrates through the synchronous lantern ring 201, an arc-shaped hub 203 matched with the first mounting groove 202a is movably arranged in the first mounting groove 202a, a plurality of hub strips 203a are arranged on the outer circular surface of the arc-shaped hub 203, and the hub strips 203a are arranged in an array along the arc direction.
In order to enable the synchronous lantern ring 201 to drive the synchronous rotating disc 202 to synchronously rotate, a hinge block 203b used for connecting the arc hub 203 and the synchronous lantern ring 201 is arranged between the inner circular surface of the arc hub 203 and the synchronous lantern ring 201, one end of the hinge block 203b is hinged with the concave surface of the arc hub 203, the other end of the hinge block is hinged with the outer circular surface of the synchronous lantern ring 201, the axial directions of the two hinge shafts are perpendicular to the input shaft 111, in the initial state, the hinge block 203b is located in the second mounting groove 202b and is arranged along the radial direction of the synchronous rotating disc 202, and the synchronous lantern ring 201 drives the synchronous rotating disc 202 to synchronously rotate through the hinge between the arc hub 203 and the synchronous lantern ring 201.
In order to drive the driving gear 112 to rotate, a combination cylinder 205 which is rotatably connected and matched with the input shaft 111 and has an opening facing the chamber two is coaxially sleeved outside the synchronous turntable 202, the driving gear 112 and one end of the combination cylinder 205 which is opposite to the chamber two are coaxially and fixedly connected, a hub groove 205a which is matched with the hub strip 203a is arranged on the inner circular surface of the combination cylinder 205, in an initial state, the hub strip 203a is abutted against the hub groove 205a, the clutch 200 is in a combination state, power is transmitted to the combination cylinder 205 through the hub strip 203a and drives the combination cylinder 205 to synchronously rotate, so that the driving gear 112 is synchronously rotated, the synchronous lantern ring 201 slides away from the combination cylinder 205, the arc-shaped hubs 203 are pulled by the hinge block 203b to mutually approach along the radial direction of the synchronous turntable 202, the hub strip 203a is separated from the hub groove 205a, so that the clutch 200 is switched to a separation state, the power transmission between the input shaft 111 and the drive gear 112 is cut off.
Specifically, in order to constrain the synchronization dial 202 inside the combination cylinder 205, a limiting ring 205b is coaxially and fixedly disposed at an opening of the combination cylinder 205, the limiting ring 205b is abutted against the synchronization dial 202, and in order to prevent the hinge block 203b from falling off from the mounting groove two 202b, a cover plate 204 fixedly connected with the synchronization dial 202 is disposed at a joint of the mounting groove one 202a and the mounting groove two 202 b.
More specifically, the clutch 200 is controlled to switch between the engaged state and the disengaged state by controlling the sliding of the synchronizing collar 201 along the input shaft 111, the input shaft 111 is coaxially and rotatably sleeved with a push ring 206, the push ring 206 can slide along the axial direction of the input shaft 111, the push ring 206 is located on the side of the synchronizing collar 201 away from the driving gear 112, a sliding gear 207 sleeved on the input shaft 111 is movably arranged between the push ring 206 and the synchronizing collar 201, the sliding gear 207 and the input shaft 111 form a spline connection and a sliding along the axial direction of the input shaft 111, a compression spring 208 movably sleeved outside the input shaft 111 is arranged between the synchronizing collar 201 and the sliding gear 207, one end of the compression spring 208 abuts against the synchronizing collar 201, the other end abuts against the sliding gear 207, a disengagement spring 209 movably sleeved outside the input shaft 111 is arranged between the synchronizing collar 201 and the bottom of the engaging cylinder 205, one end of the separation spring 209 abuts against the synchronizing collar 201, the other end abuts against the bottom of the combining cylinder 205, and the spring coefficient of the separation spring 209 is much smaller than that of the hold-down spring 208, and in an initial state, the push-down ring 206 is arranged close to the synchronizing collar 201 and both the hold-down spring 208 and the separation spring 209 are in a compressed state.
In the working process of the clutch 200, when the hydraulic pushing mechanism 210 is in a full pushing state, the pushing ring 206 is close to the synchronizing collar 201, the compression spring 208 and the separation spring 209 are both in a compressed state, the clutch 200 is in a combined state, and the input shaft 111 transmits power to the output shaft 121; when the hydraulic pushing mechanism 210 is switched to a semi-pushing state, the pushing ring 206 moves away from the synchronous sleeve ring 201, the separation spring 209 maintains a compressed state and the pressing spring 208 extends to a free state, the pressing spring 208 pushes the sliding gear 207 to slide along the input shaft 111 away from the synchronous sleeve ring 201 and enables the sliding gear 207 to be combined with the lubricating oil spraying component 300, the lubricating oil spraying component 300 starts to operate, at the moment, the clutch 200 is in a combined state, and the input shaft 111 transmits power to the output shaft 121; when the hydraulic pushing mechanism 210 is switched to the withdrawing state, the pushing ring 206 and the separating spring 209 gradually release and extend to the free state, the elastic force of the separating spring 209 pushes the synchronous sleeve ring 201 to slide away from the combining cylinder 205, the pressing spring 208 pushes the sliding gear 207 to synchronously move, the sliding gear 207 is disconnected from the lubricating oil spraying component 300, the lubricating oil spraying component 300 stops running, meanwhile, the clutch 200 is switched to the separating state, and the power transmission of the input shaft 111 to the output shaft 121 is cut off.
The hydraulic pushing mechanism 210 is located in the second chamber and extends to the first chamber from an opening to be abutted against the pushing ring 206, the hydraulic pushing mechanism 210 includes two sliding discs 211 coaxially rotatably sleeved on the input shaft 111, the two sliding discs 211 are provided and buckled with each other, an annular sealing cavity 212 is provided at one end face of each of the sliding discs 211 close to each other, a circular mounting groove third 214 is provided at one end face of each of the sliding discs 211 close to the pushing ring 209, the mounting groove third 214 is provided with a plurality of piston rods 216 arranged in an array manner along the circumferential direction of the sliding discs 211, a first oil cylinder 215 communicated with the sealing cavity 212 is provided in the mounting groove third 214, the axial direction of the first oil cylinder 215 is parallel to the axial direction of the sliding disc 211, a first piston rod 216 arranged to extend towards the pushing ring 206 is coaxially provided in the first oil cylinder 215, the first piston rod 216 is abutted against the pushing ring 209, in order to enable the first piston rod 216 to slide outwards along the, the hydraulic pushing mechanism 210 further includes a buoyancy control member 220, and the buoyancy control member 220 is configured to detect a remaining amount of the lubricating oil in the second chamber and supply the hydraulic oil to the first cylinder 215 according to the remaining amount.
Specifically, the buoyancy control member 220 includes a second oil cylinder 221 detachably connected to the mounting plate 133, the second oil cylinder 221 is axially and vertically arranged and is arranged near the top of the second casing 132, a second piston rod 222 forming a sealed sliding guide fit with an inner cavity of the second oil cylinder 221 is arranged at the bottom end of the second oil cylinder 221, a floating ball 223 is fixedly arranged at the bottom end of the second piston rod 222, the floating ball 223 always floats on the surface of the lubricating oil, and a conduit 224 for communicating the top end of the second oil cylinder 221 with the oil filling port 213 is arranged between the top end of the second oil cylinder 221 and.
In an initial state, sufficient lubricating oil is provided, the floating ball 223 is close to the second oil cylinder 221, the second piston rod 222 extrudes hydraulic oil in the second oil cylinder 221 into the first oil cylinder 215, the first piston rod 216 overcomes the elastic force action of the compression spring 208 and the separation spring 209, the pushing ring 206 is pushed to be close to the synchronous lantern ring 201, and at the moment, the hydraulic pushing mechanism 210 is in a full pushing state; when the lubricating oil level drops and is lower than the input part 110, the output part 120 and the speed reduction transmission part along with the time, the floating ball 223 gradually drops along with the liquid level, the second piston rod 222 vertically slides downwards, a part of hydraulic oil in the first oil cylinder 215 flows back into the second oil cylinder 221, the elastic potential energy of the compression spring 208 is released and pushes the pushing ring 206 to move away from the synchronous lantern ring 201, and at the moment, the hydraulic pushing mechanism 210 is in a semi-pushing state; when the lubricating oil is completely consumed, the floating ball 223 is in contact with the bottom of the second chamber, the second piston rod 222 further slides downwards, the hydraulic oil in the first oil cylinder 215 completely flows back to the second oil cylinder 221, the elastic potential energy of the separation spring 209 is released and pushes the pushing ring 206 to move further away from the synchronous lantern ring 201, at the moment, the hydraulic pushing mechanism 210 is in a withdrawing state, and the clutch 200 is switched to a separating state to perform self protection.
As a more optimized scheme of the invention, since the loss of the hydraulic oil in the second oil cylinder 221 can be caused by long-term use of the hydraulic oil, in order to inject the hydraulic oil into the second oil cylinder 221, the top of the second oil cylinder 221 is provided with an oil injection pipe 225 which is vertically and upwardly arranged in a communicated manner, the oil injection pipe 225 extends to the outside of the second casing 132, and a screw plug second 226 matched with the oil injection pipe 225 is arranged at an inlet of the oil injection pipe 225.
The lubricating oil spraying member 300 comprises an oil pump 301 fixedly connected with a mounting plate 133, a driving gear 302 is coaxially and fixedly arranged at the driving end of the oil pump 301, the driving gear 302 and a sliding gear 207 are axially parallel to each other and matched with each other, the driving gear 302 is meshed with the sliding gear 207 controlled by a semi-pushing state of a hydraulic pushing mechanism 210, in order to facilitate the meshing between the sliding gear 207 and the driving gear 302, the tooth sides of the sliding gear 207 and the driving gear 302 are both arranged in a sharp shape, an oil inlet pipe 303 vertically extending downwards to the bottom of the two chambers is communicated with the input end of the oil pump 301, a spraying pipe 304 vertically extending downwards is communicated with the output end of the oil pump 301, the extending end of the spraying pipe 304 is closed, a spraying head 305 vertically extending downwards is arranged on the outer circular surface of the spraying pipe 304, and the spraying head 305 is provided with a plurality of spraying, one of the showers 304 is located above the first step gear 123 and the third step gear 125, and the other shower 304 is located above the driving gear 112 and the driven gear 126.
During the operation of the lubricating oil spray component 300, when the hydraulic pushing mechanism 210 detects that the liquid level of the lubricating oil is lower than that of the input component 110, the output component 120 and the speed reduction transmission component, the floating ball 223 moves vertically downwards and the hydraulic pushing mechanism 210 is switched to a semi-pushing state, the elastic potential energy of the compression spring 208 is released and pushes the sliding gear 207 to slide away from the synchronous lantern ring 201 to be meshed with the driving gear 302, the driving gear 302 drives the oil pump 301 to operate and pump the lubricating oil at the two bottom parts of the chamber into the oil inlet pipe 303 to the spray pipe 304, the spray head 305 sprays the lubricating oil on the input component 110, the output component 120 and the speed reduction transmission component, and the input component 110, the output component 120 and the speed reduction transmission component which operate at high speed are.
Claims (5)
1. The low resistance transmission and automatic lubricating oil replenishing method for the gearbox comprises the following steps:
firstly, normally running a lubrication stage;
s1: the hydraulic pushing mechanism detects that lubricating oil in the first cavity and the second cavity is sufficient and is in a full pushing state, the clutch is in a combined state, the lubricating oil is normally lubricated, the clutch transmits the power of the input part to the output part through the speed reduction transmission part, and the output part drives a load to run;
the input component comprises an input shaft and a driving gear coaxially and movably sleeved on the output end of the input shaft, the output component comprises an output shaft and a driven gear coaxially and fixedly sleeved on the output shaft, a speed reduction transmission component used for connecting the driving gear and the driven gear is arranged between the driving gear and the driven gear, and a clutch used for fixedly connecting the input shaft and the driving gear is arranged between the input shaft and the driving gear;
the clutch is coaxially sleeved on the input shaft and comprises a synchronous lantern ring which is in spline connection and matching with the input shaft, the synchronous lantern ring can slide along the axial direction of the input shaft, a synchronous turntable is coaxially sleeved on the outer circular surface of the synchronous lantern ring, the synchronous turntable and the synchronous lantern ring form sliding guide matching along the axial direction of the input shaft, an arc-shaped mounting groove I matched with the synchronous turntable is formed in the outer circular surface of the synchronous turntable, the mounting groove I is positioned on one end surface, close to the two cavities, of the synchronous turntable, three mounting grooves I are arranged in an array manner along the circumferential direction of the synchronous turntable, a mounting groove II which is arranged in the radial direction of the synchronous turntable and communicated with the mounting groove I is formed in one end surface, close to the two cavities, of the synchronous turntable, three mounting grooves II are arranged in an array manner along the circumferential direction of the synchronous turntable, and the, an arc-shaped hub matched with the mounting groove I is movably arranged in the mounting groove I, and a plurality of hub strips are arranged on the outer circular surface of the arc-shaped hub;
a hinging block for connecting the inner circular surface of the arc-shaped hub and the synchronous lantern ring is arranged between the inner circular surface of the arc-shaped hub and the synchronous lantern ring, one end of the hinging block is hinged with the concave surface of the arc-shaped hub, the other end of the hinging block is hinged with the outer circular surface of the synchronous lantern ring, the axial directions of two hinging shafts are perpendicular to the input shaft, and in an initial state, the hinging block is positioned in the second mounting groove and is arranged along the radial direction;
a combination cylinder body which is in rotating connection and matching with the input shaft and is provided with an opening facing the second cavity is coaxially sleeved outside the synchronous turntable, the driving gear and one end of the combination cylinder body, which is far away from the second cavity, are coaxially and fixedly connected, a hub groove matched with the hub strip is arranged on the inner circular surface of the combination cylinder body, the hub strip is abutted against the hub groove in an initial state, and the clutch is in a combination state;
the input shaft is coaxially and rotatably sleeved with a pushing ring, the pushing ring can slide along the axial direction of the input shaft, the pushing ring is positioned at one side of the synchronous sleeve ring, which is far away from the driving gear, a sliding gear sleeved on the input shaft is movably arranged between the pushing ring and the synchronous sleeve ring, the sliding gear and the input shaft form a spline connection fit and can slide along the axial direction of the input shaft, a compression spring movably sleeved outside the input shaft is arranged between the synchronous sleeve ring and the sliding gear, one end of the compression spring is abutted against the synchronous sleeve ring, the other end of the compression spring is abutted against the sliding gear, a separation spring movably sleeved outside the input shaft is arranged between the synchronous sleeve ring and the bottom of the combined barrel body, one end of the separation spring is abutted against the synchronous sleeve ring, the other end of the, the spring coefficient of the separation spring is far smaller than that of the compression spring, and in an initial state, the push ring is arranged close to the synchronous lantern ring, and the compression spring and the separation spring are both in a compressed state;
when the lubricating oil is sufficient, the clutch works in a full-pushing state, the pushing ring is close to the synchronous lantern ring, the compression spring and the separation spring are both in a compressed state, the clutch is in a combined state, the input shaft transmits power to the output shaft, and the output part drives the load to operate;
(II) lubricating oil spraying protection stage;
s2: the liquid levels of the lubricating oil in the first cavity and the second cavity gradually drop and are lower than the input part, the output part and the speed reduction transmission part, and at the moment, the hydraulic pushing mechanism detects that the allowance of the lubricating oil is insufficient and is switched to a semi-pushing state;
the hydraulic pushing mechanism is positioned in the cavity II and extends to the cavity I from an opening to be abutted against the pushing ring, the hydraulic pushing mechanism comprises a sliding disc coaxially sleeved on the input shaft in a rotating mode, the sliding disc is provided with two sliding discs which are buckled with each other, an annular sealing cavity is arranged on one end face, close to the pushing ring, of each sliding disc, a circular mounting groove III is formed in one end face, close to the pushing ring, of each sliding disc, the mounting grooves III are provided with a plurality of first oil cylinders communicated with the sealing cavities and are arranged in an array mode along the circumferential direction of the sliding disc, the axial direction of each first oil cylinder is parallel to the axial direction of the corresponding sliding disc, a first piston rod extending towards the pushing ring is coaxially arranged in each first oil cylinder, the first piston rod is abutted against the pushing ring, and the hydraulic pushing mechanism further comprises a buoyancy control member which is used for detecting the allowance of lubricating oil in the cavity II and;
the buoyancy control component comprises a second oil cylinder detachably connected with the mounting plate, the second oil cylinder is axially and vertically arranged and is close to the top of the second casing, a second piston rod matched with an inner cavity of the second oil cylinder in a sealing sliding guide mode is arranged at the bottom end of the second oil cylinder, a floating ball is fixedly arranged at the bottom end of the second piston rod and always floats on the liquid level of lubricating oil, and a guide pipe for communicating the top end of the second oil cylinder and the oil filling port is arranged between the top end of the second oil cylinder and the oil;
in an initial state, sufficient lubricating oil is available, the floating ball is close to the second oil cylinder, the second piston rod extrudes hydraulic oil in the second oil cylinder into the first oil cylinder, the first piston rod overcomes the elastic action of the compression spring and the separation spring, the pushing ring is pushed to be close to the synchronous lantern ring, and at the moment, the hydraulic pushing mechanism is in a full pushing state; when the liquid level of the lubricating oil drops and is lower than the input component, the output component and the speed reduction transmission component along with the lapse of time, the floating ball gradually drops along with the liquid level, the piston rod II vertically slides downwards, a part of hydraulic oil in the oil cylinder I flows back to the oil cylinder II, the elastic potential energy of the compression spring is released and pushes the pushing ring to move away from the synchronous lantern ring, and at the moment, the hydraulic pushing mechanism is in a semi-pushing state;
s3: the clutch transmits the power of the input shaft to the lubricating oil spraying part through the sliding gear, the lubricating oil spraying part pumps the lubricating oil at the bottom of the second cavity upwards and sprays the lubricating oil to the input part, the output part and the speed reduction transmission part from top to bottom, and the input part, the output part and the speed reduction transmission part are sprayed and lubricated;
(III) power cut-off protection stage;
s4: when the lubricating oil consumption of cavity one and cavity two insides is totally used up, the floater contacts with cavity two bottoms, piston rod two further slides down, hydraulic oil in the hydro-cylinder one flows back to in the hydro-cylinder two completely, the elastic potential energy release of separation spring and promote to support and push the ring and further keep away from the synchronous lantern ring motion, at this moment, hydraulic pressure is supported and is pushed the mechanism and switch to the state of withdrawing, the clutch switches to the separation state, power transmission between input shaft and the driving gear cuts off, output member stop operation switches to the self-protection state and the early warning suggestion user in time pours into lubricating oil into by the lubricating oil sprue.
2. The low-resistance transmission and automatic lubricating oil supply method of the gearbox according to claim 1, wherein a first casing, a second casing and a mounting plate are detachably connected to the outside of the input part and the output part, the first casing is fixedly connected with one end face of the mounting plate and forms a first closed cavity, the second casing is fixedly connected with the other end face of the mounting plate and forms a second closed cavity, the first closed cavity and the second closed cavity are communicated with each other, the input shaft is rotatably arranged on the second casing, the driving end is arranged outside the second casing, the output end extends to the first closed cavity from a circular opening formed in the mounting plate, the output shaft is rotatably arranged on the first casing, the driving end is coaxially and rotatably connected with the input shaft, and the output end extends to the outside of the first casing.
3. The low drag transmission and automatic lubrication oil replenishment method of a transmission according to claim 1, the speed reduction transmission part comprises a transmission shaft which is rotatably arranged between the first machine shell and the mounting plate, the axial direction of the transmission shaft is parallel to the axial direction of the input shaft, coaxial rotation cover is equipped with step gear one, step gear three on the transmission shaft, coaxial rotation cover is equipped with step gear two on the input shaft, step gear one and step gear two and step gear three structure, shape, size are identical and all have coaxial fixed connection's gear A and gear B to constitute, gear A's diameter is greater than gear B's diameter, the driving gear meshes with step gear one's gear A, step gear one's gear B and step gear two's gear A meshing, step gear two's gear B and step gear three's gear A meshing, step gear three's gear B and driven gear meshing.
4. The low-resistance transmission and automatic lubricating oil supply method for the gearbox according to claim 2, wherein a lubricating oil injection port and a screw plug I matched with the lubricating oil injection port are arranged at the top of the first casing.
5. The low resistance transmission and automatic lubricating oil supply method of the transmission according to any one of claims 1 to 3, wherein the lubricating oil spray component comprises an oil pump fixedly connected with the mounting plate, the driving end of the oil pump is coaxially and fixedly provided with a driving gear, the driving gear and the sliding gear are axially parallel and matched with each other, the driving gear is meshed with the sliding gear controlled by the semi-pushing state of the hydraulic pushing mechanism, the tooth sides of the sliding gear and the driving gear are both provided with sharp shapes, the input end of the oil pump is communicated with an oil inlet pipe vertically extending downwards to the second bottom of the cavity, the output end of the oil pump is communicated with a spray pipe arranged and extending to the top of the second cavity, the extending end of the spray pipe is closed, the outer circular surface of the spray pipe is provided with a spray head vertically arranged downwards, and the spray head is provided with a plurality of spray pipes and arrayed, one of the spraying pipes is positioned above the first step gear and the third step gear, and the other spraying pipe is positioned above the driving gear and the driven gear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910367234.2A CN109973637B (en) | 2019-05-05 | 2019-05-05 | Low-resistance transmission of gearbox and automatic lubricating oil supply method |
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| CN201910367234.2A CN109973637B (en) | 2019-05-05 | 2019-05-05 | Low-resistance transmission of gearbox and automatic lubricating oil supply method |
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| CN109973637A CN109973637A (en) | 2019-07-05 |
| CN109973637B true CN109973637B (en) | 2020-11-10 |
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| CN112404470A (en) * | 2020-11-02 | 2021-02-26 | 盐城市金品数控机床有限公司 | Horizontal lathe feed box |
| CN113236712B (en) * | 2021-05-11 | 2022-12-20 | 中国船舶重工集团公司第七0三研究所 | 90 MW-level high-efficiency single-stage parallel shaft gear transmission device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102005013657A1 (en) * | 2005-03-24 | 2006-09-28 | Volkswagen Ag | Gearwheel drive for motor vehicles has controlled oil supply by using transmission sensors for determining operating parameters for effective volume flow |
| DE102006022964A1 (en) * | 2006-05-12 | 2007-11-22 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Fluid expansion tank and gearbox equipped therewith |
| CN106838272A (en) * | 2015-12-04 | 2017-06-13 | 重庆银聪科技有限公司 | A kind of gear box lubricating oil automatic adding device |
| CN207364241U (en) * | 2017-03-23 | 2018-05-15 | 北新集团建材股份有限公司 | Lightgage steel joist reduction box selfoiling system |
| CN107387740B (en) * | 2017-09-08 | 2023-09-05 | 广东东方精工科技股份有限公司 | Lubricating oil monitoring device of gear box and control method thereof |
| CN208749974U (en) * | 2018-07-28 | 2019-04-16 | 河南富硅科技有限责任公司 | A kind of speed reducer automatic fuelling device |
| CN108953573B (en) * | 2018-08-01 | 2021-09-21 | 江苏中工高端装备研究院有限公司 | Speed reducer closed-loop oil control system and oil control method thereof |
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Denomination of invention: Low resistance transmission of gearbox and automatic lubricating oil supply method Effective date of registration: 20210326 Granted publication date: 20201110 Pledgee: Zhejiang Ruian Rural Commercial Bank Co., Ltd Pledgor: TRANSTAR AUTOMOBILE SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021990000272 |